vde2-2.3.2+r586/0000755000000000000000000000000013614540533007750 5ustar vde2-2.3.2+r586/.git/0000755000000000000000000000000014152703567010617 5ustar vde2-2.3.2+r586/.git/COMMIT_EDITMSG0000644000000000000000000000014313754311524012677 0ustar close a bug in an old changelog Gbp-Dch: Ignore Signed-off-by: Mattia Rizzolo vde2-2.3.2+r586/.git/FETCH_HEAD0000644000000000000000000000033714152703567012157 0ustar 07e68d4668a6329fc577fa190023ec628a5694b2 branch 'debian/sid' of salsa.debian.org:virtualsquare-team/vde2 c6b68ab89e1dc8bb63a116b7096940a81c690843 not-for-merge branch 'upstream' of salsa.debian.org:virtualsquare-team/vde2 vde2-2.3.2+r586/.git/HEAD0000644000000000000000000000003313614540533011231 0ustar ref: refs/heads/debian/sid vde2-2.3.2+r586/.git/ORIG_HEAD0000644000000000000000000000005114152115111012035 0ustar a889e7c0507a2ad39b30857979c10df4d2c2fdd9 vde2-2.3.2+r586/.git/branches/0000755000000000000000000000000013614540467012404 5ustar vde2-2.3.2+r586/.git/config0000644000000000000000000000053313614540533012002 0ustar [core] repositoryformatversion = 0 filemode = true bare = false logallrefupdates = true [remote "origin"] url = git@salsa.debian.org:virtualsquare-team/vde2.git fetch = +refs/heads/*:refs/remotes/origin/* [branch "upstream"] remote = origin merge = refs/heads/upstream [branch "debian/sid"] remote = origin merge = refs/heads/debian/sid vde2-2.3.2+r586/.git/description0000644000000000000000000000011113614540467013056 0ustar Unnamed repository; edit this file 'description' to name the repository. vde2-2.3.2+r586/.git/hooks/0000755000000000000000000000000013614540467011742 5ustar vde2-2.3.2+r586/.git/hooks/applypatch-msg.sample0000755000000000000000000000073613614540467016107 0ustar #!/bin/sh # # An example hook script to check the commit log message taken by # applypatch from an e-mail message. # # The hook should exit with non-zero status after issuing an # appropriate message if it wants to stop the commit. The hook is # allowed to edit the commit message file. # # To enable this hook, rename this file to "applypatch-msg". . git-sh-setup commitmsg="$(git rev-parse --git-path hooks/commit-msg)" test -x "$commitmsg" && exec "$commitmsg" ${1+"$@"} : vde2-2.3.2+r586/.git/hooks/commit-msg.sample0000755000000000000000000000160013614540467015221 0ustar #!/bin/sh # # An example hook script to check the commit log message. # Called by "git commit" with one argument, the name of the file # that has the commit message. The hook should exit with non-zero # status after issuing an appropriate message if it wants to stop the # commit. The hook is allowed to edit the commit message file. # # To enable this hook, rename this file to "commit-msg". # Uncomment the below to add a Signed-off-by line to the message. # Doing this in a hook is a bad idea in general, but the prepare-commit-msg # hook is more suited to it. # # SOB=$(git var GIT_AUTHOR_IDENT | sed -n 's/^\(.*>\).*$/Signed-off-by: \1/p') # grep -qs "^$SOB" "$1" || echo "$SOB" >> "$1" # This example catches duplicate Signed-off-by lines. test "" = "$(grep '^Signed-off-by: ' "$1" | sort | uniq -c | sed -e '/^[ ]*1[ ]/d')" || { echo >&2 Duplicate Signed-off-by lines. exit 1 } vde2-2.3.2+r586/.git/hooks/fsmonitor-watchman.sample0000755000000000000000000000600713614540467016773 0ustar #!/usr/bin/perl use strict; use warnings; use IPC::Open2; # An example hook script to integrate Watchman # (https://facebook.github.io/watchman/) with git to speed up detecting # new and modified files. # # The hook is passed a version (currently 1) and a time in nanoseconds # formatted as a string and outputs to stdout all files that have been # modified since the given time. Paths must be relative to the root of # the working tree and separated by a single NUL. # # To enable this hook, rename this file to "query-watchman" and set # 'git config core.fsmonitor .git/hooks/query-watchman' # my ($version, $time) = @ARGV; # Check the hook interface version if ($version == 1) { # convert nanoseconds to seconds # subtract one second to make sure watchman will return all changes $time = int ($time / 1000000000) - 1; } else { die "Unsupported query-fsmonitor hook version '$version'.\n" . "Falling back to scanning...\n"; } my $git_work_tree; if ($^O =~ 'msys' || $^O =~ 'cygwin') { $git_work_tree = Win32::GetCwd(); $git_work_tree =~ tr/\\/\//; } else { require Cwd; $git_work_tree = Cwd::cwd(); } my $retry = 1; launch_watchman(); sub launch_watchman { my $pid = open2(\*CHLD_OUT, \*CHLD_IN, 'watchman -j --no-pretty') or die "open2() failed: $!\n" . "Falling back to scanning...\n"; # In the query expression below we're asking for names of files that # changed since $time but were not transient (ie created after # $time but no longer exist). # # To accomplish this, we're using the "since" generator to use the # recency index to select candidate nodes and "fields" to limit the # output to file names only. my $query = <<" END"; ["query", "$git_work_tree", { "since": $time, "fields": ["name"] }] END print CHLD_IN $query; close CHLD_IN; my $response = do {local $/; }; die "Watchman: command returned no output.\n" . "Falling back to scanning...\n" if $response eq ""; die "Watchman: command returned invalid output: $response\n" . "Falling back to scanning...\n" unless $response =~ /^\{/; my $json_pkg; eval { require JSON::XS; $json_pkg = "JSON::XS"; 1; } or do { require JSON::PP; $json_pkg = "JSON::PP"; }; my $o = $json_pkg->new->utf8->decode($response); if ($retry > 0 and $o->{error} and $o->{error} =~ m/unable to resolve root .* directory (.*) is not watched/) { print STDERR "Adding '$git_work_tree' to watchman's watch list.\n"; $retry--; qx/watchman watch "$git_work_tree"/; die "Failed to make watchman watch '$git_work_tree'.\n" . "Falling back to scanning...\n" if $? != 0; # Watchman will always return all files on the first query so # return the fast "everything is dirty" flag to git and do the # Watchman query just to get it over with now so we won't pay # the cost in git to look up each individual file. print "/\0"; eval { launch_watchman() }; exit 0; } die "Watchman: $o->{error}.\n" . "Falling back to scanning...\n" if $o->{error}; binmode STDOUT, ":utf8"; local $, = "\0"; print @{$o->{files}}; } vde2-2.3.2+r586/.git/hooks/post-update.sample0000755000000000000000000000027513614540467015421 0ustar #!/bin/sh # # An example hook script to prepare a packed repository for use over # dumb transports. # # To enable this hook, rename this file to "post-update". exec git update-server-info vde2-2.3.2+r586/.git/hooks/pre-applypatch.sample0000755000000000000000000000065013614540467016102 0ustar #!/bin/sh # # An example hook script to verify what is about to be committed # by applypatch from an e-mail message. # # The hook should exit with non-zero status after issuing an # appropriate message if it wants to stop the commit. # # To enable this hook, rename this file to "pre-applypatch". . git-sh-setup precommit="$(git rev-parse --git-path hooks/pre-commit)" test -x "$precommit" && exec "$precommit" ${1+"$@"} : vde2-2.3.2+r586/.git/hooks/pre-commit.sample0000755000000000000000000000314613614540467015230 0ustar #!/bin/sh # # An example hook script to verify what is about to be committed. # Called by "git commit" with no arguments. The hook should # exit with non-zero status after issuing an appropriate message if # it wants to stop the commit. # # To enable this hook, rename this file to "pre-commit". if git rev-parse --verify HEAD >/dev/null 2>&1 then against=HEAD else # Initial commit: diff against an empty tree object against=$(git hash-object -t tree /dev/null) fi # If you want to allow non-ASCII filenames set this variable to true. allownonascii=$(git config --bool hooks.allownonascii) # Redirect output to stderr. exec 1>&2 # Cross platform projects tend to avoid non-ASCII filenames; prevent # them from being added to the repository. We exploit the fact that the # printable range starts at the space character and ends with tilde. if [ "$allownonascii" != "true" ] && # Note that the use of brackets around a tr range is ok here, (it's # even required, for portability to Solaris 10's /usr/bin/tr), since # the square bracket bytes happen to fall in the designated range. test $(git diff --cached --name-only --diff-filter=A -z $against | LC_ALL=C tr -d '[ -~]\0' | wc -c) != 0 then cat <<\EOF Error: Attempt to add a non-ASCII file name. This can cause problems if you want to work with people on other platforms. To be portable it is advisable to rename the file. If you know what you are doing you can disable this check using: git config hooks.allownonascii true EOF exit 1 fi # If there are whitespace errors, print the offending file names and fail. exec git diff-index --check --cached $against -- vde2-2.3.2+r586/.git/hooks/pre-merge-commit.sample0000755000000000000000000000064013614540467016321 0ustar #!/bin/sh # # An example hook script to verify what is about to be committed. # Called by "git merge" with no arguments. The hook should # exit with non-zero status after issuing an appropriate message to # stderr if it wants to stop the merge commit. # # To enable this hook, rename this file to "pre-merge-commit". . git-sh-setup test -x "$GIT_DIR/hooks/pre-commit" && exec "$GIT_DIR/hooks/pre-commit" : vde2-2.3.2+r586/.git/hooks/pre-push.sample0000755000000000000000000000250413614540467014714 0ustar #!/bin/sh # An example hook script to verify what is about to be pushed. Called by "git # push" after it has checked the remote status, but before anything has been # pushed. If this script exits with a non-zero status nothing will be pushed. # # This hook is called with the following parameters: # # $1 -- Name of the remote to which the push is being done # $2 -- URL to which the push is being done # # If pushing without using a named remote those arguments will be equal. # # Information about the commits which are being pushed is supplied as lines to # the standard input in the form: # # # # This sample shows how to prevent push of commits where the log message starts # with "WIP" (work in progress). remote="$1" url="$2" z40=0000000000000000000000000000000000000000 while read local_ref local_sha remote_ref remote_sha do if [ "$local_sha" = $z40 ] then # Handle delete : else if [ "$remote_sha" = $z40 ] then # New branch, examine all commits range="$local_sha" else # Update to existing branch, examine new commits range="$remote_sha..$local_sha" fi # Check for WIP commit commit=`git rev-list -n 1 --grep '^WIP' "$range"` if [ -n "$commit" ] then echo >&2 "Found WIP commit in $local_ref, not pushing" exit 1 fi fi done exit 0 vde2-2.3.2+r586/.git/hooks/pre-rebase.sample0000755000000000000000000001144213614540467015177 0ustar #!/bin/sh # # Copyright (c) 2006, 2008 Junio C Hamano # # The "pre-rebase" hook is run just before "git rebase" starts doing # its job, and can prevent the command from running by exiting with # non-zero status. # # The hook is called with the following parameters: # # $1 -- the upstream the series was forked from. # $2 -- the branch being rebased (or empty when rebasing the current branch). # # This sample shows how to prevent topic branches that are already # merged to 'next' branch from getting rebased, because allowing it # would result in rebasing already published history. publish=next basebranch="$1" if test "$#" = 2 then topic="refs/heads/$2" else topic=`git symbolic-ref HEAD` || exit 0 ;# we do not interrupt rebasing detached HEAD fi case "$topic" in refs/heads/??/*) ;; *) exit 0 ;# we do not interrupt others. ;; esac # Now we are dealing with a topic branch being rebased # on top of master. Is it OK to rebase it? # Does the topic really exist? git show-ref -q "$topic" || { echo >&2 "No such branch $topic" exit 1 } # Is topic fully merged to master? not_in_master=`git rev-list --pretty=oneline ^master "$topic"` if test -z "$not_in_master" then echo >&2 "$topic is fully merged to master; better remove it." exit 1 ;# we could allow it, but there is no point. fi # Is topic ever merged to next? If so you should not be rebasing it. only_next_1=`git rev-list ^master "^$topic" ${publish} | sort` only_next_2=`git rev-list ^master ${publish} | sort` if test "$only_next_1" = "$only_next_2" then not_in_topic=`git rev-list "^$topic" master` if test -z "$not_in_topic" then echo >&2 "$topic is already up to date with master" exit 1 ;# we could allow it, but there is no point. else exit 0 fi else not_in_next=`git rev-list --pretty=oneline ^${publish} "$topic"` /usr/bin/perl -e ' my $topic = $ARGV[0]; my $msg = "* $topic has commits already merged to public branch:\n"; my (%not_in_next) = map { /^([0-9a-f]+) /; ($1 => 1); } split(/\n/, $ARGV[1]); for my $elem (map { /^([0-9a-f]+) (.*)$/; [$1 => $2]; } split(/\n/, $ARGV[2])) { if (!exists $not_in_next{$elem->[0]}) { if ($msg) { print STDERR $msg; undef $msg; } print STDERR " $elem->[1]\n"; } } ' "$topic" "$not_in_next" "$not_in_master" exit 1 fi <<\DOC_END This sample hook safeguards topic branches that have been published from being rewound. The workflow assumed here is: * Once a topic branch forks from "master", "master" is never merged into it again (either directly or indirectly). * Once a topic branch is fully cooked and merged into "master", it is deleted. If you need to build on top of it to correct earlier mistakes, a new topic branch is created by forking at the tip of the "master". This is not strictly necessary, but it makes it easier to keep your history simple. * Whenever you need to test or publish your changes to topic branches, merge them into "next" branch. The script, being an example, hardcodes the publish branch name to be "next", but it is trivial to make it configurable via $GIT_DIR/config mechanism. With this workflow, you would want to know: (1) ... if a topic branch has ever been merged to "next". Young topic branches can have stupid mistakes you would rather clean up before publishing, and things that have not been merged into other branches can be easily rebased without affecting other people. But once it is published, you would not want to rewind it. (2) ... if a topic branch has been fully merged to "master". Then you can delete it. More importantly, you should not build on top of it -- other people may already want to change things related to the topic as patches against your "master", so if you need further changes, it is better to fork the topic (perhaps with the same name) afresh from the tip of "master". Let's look at this example: o---o---o---o---o---o---o---o---o---o "next" / / / / / a---a---b A / / / / / / / / c---c---c---c B / / / / \ / / / / b---b C \ / / / / / \ / ---o---o---o---o---o---o---o---o---o---o---o "master" A, B and C are topic branches. * A has one fix since it was merged up to "next". * B has finished. It has been fully merged up to "master" and "next", and is ready to be deleted. * C has not merged to "next" at all. We would want to allow C to be rebased, refuse A, and encourage B to be deleted. To compute (1): git rev-list ^master ^topic next git rev-list ^master next if these match, topic has not merged in next at all. To compute (2): git rev-list master..topic if this is empty, it is fully merged to "master". DOC_END vde2-2.3.2+r586/.git/hooks/pre-receive.sample0000755000000000000000000000104013614540467015351 0ustar #!/bin/sh # # An example hook script to make use of push options. # The example simply echoes all push options that start with 'echoback=' # and rejects all pushes when the "reject" push option is used. # # To enable this hook, rename this file to "pre-receive". if test -n "$GIT_PUSH_OPTION_COUNT" then i=0 while test "$i" -lt "$GIT_PUSH_OPTION_COUNT" do eval "value=\$GIT_PUSH_OPTION_$i" case "$value" in echoback=*) echo "echo from the pre-receive-hook: ${value#*=}" >&2 ;; reject) exit 1 esac i=$((i + 1)) done fi vde2-2.3.2+r586/.git/hooks/prepare-commit-msg.sample0000755000000000000000000000272413614540467016665 0ustar #!/bin/sh # # An example hook script to prepare the commit log message. # Called by "git commit" with the name of the file that has the # commit message, followed by the description of the commit # message's source. The hook's purpose is to edit the commit # message file. If the hook fails with a non-zero status, # the commit is aborted. # # To enable this hook, rename this file to "prepare-commit-msg". # This hook includes three examples. The first one removes the # "# Please enter the commit message..." help message. # # The second includes the output of "git diff --name-status -r" # into the message, just before the "git status" output. It is # commented because it doesn't cope with --amend or with squashed # commits. # # The third example adds a Signed-off-by line to the message, that can # still be edited. This is rarely a good idea. COMMIT_MSG_FILE=$1 COMMIT_SOURCE=$2 SHA1=$3 /usr/bin/perl -i.bak -ne 'print unless(m/^. Please enter the commit message/..m/^#$/)' "$COMMIT_MSG_FILE" # case "$COMMIT_SOURCE,$SHA1" in # ,|template,) # /usr/bin/perl -i.bak -pe ' # print "\n" . `git diff --cached --name-status -r` # if /^#/ && $first++ == 0' "$COMMIT_MSG_FILE" ;; # *) ;; # esac # SOB=$(git var GIT_COMMITTER_IDENT | sed -n 's/^\(.*>\).*$/Signed-off-by: \1/p') # git interpret-trailers --in-place --trailer "$SOB" "$COMMIT_MSG_FILE" # if test -z "$COMMIT_SOURCE" # then # /usr/bin/perl -i.bak -pe 'print "\n" if !$first_line++' "$COMMIT_MSG_FILE" # fi vde2-2.3.2+r586/.git/hooks/update.sample0000755000000000000000000000703213614540467014434 0ustar #!/bin/sh # # An example hook script to block unannotated tags from entering. # Called by "git receive-pack" with arguments: refname sha1-old sha1-new # # To enable this hook, rename this file to "update". # # Config # ------ # hooks.allowunannotated # This boolean sets whether unannotated tags will be allowed into the # repository. By default they won't be. # hooks.allowdeletetag # This boolean sets whether deleting tags will be allowed in the # repository. By default they won't be. # hooks.allowmodifytag # This boolean sets whether a tag may be modified after creation. By default # it won't be. # hooks.allowdeletebranch # This boolean sets whether deleting branches will be allowed in the # repository. By default they won't be. # hooks.denycreatebranch # This boolean sets whether remotely creating branches will be denied # in the repository. By default this is allowed. # # --- Command line refname="$1" oldrev="$2" newrev="$3" # --- Safety check if [ -z "$GIT_DIR" ]; then echo "Don't run this script from the command line." >&2 echo " (if you want, you could supply GIT_DIR then run" >&2 echo " $0 )" >&2 exit 1 fi if [ -z "$refname" -o -z "$oldrev" -o -z "$newrev" ]; then echo "usage: $0 " >&2 exit 1 fi # --- Config allowunannotated=$(git config --bool hooks.allowunannotated) allowdeletebranch=$(git config --bool hooks.allowdeletebranch) denycreatebranch=$(git config --bool hooks.denycreatebranch) allowdeletetag=$(git config --bool hooks.allowdeletetag) allowmodifytag=$(git config --bool hooks.allowmodifytag) # check for no description projectdesc=$(sed -e '1q' "$GIT_DIR/description") case "$projectdesc" in "Unnamed repository"* | "") echo "*** Project description file hasn't been set" >&2 exit 1 ;; esac # --- Check types # if $newrev is 0000...0000, it's a commit to delete a ref. zero="0000000000000000000000000000000000000000" if [ "$newrev" = "$zero" ]; then newrev_type=delete else newrev_type=$(git cat-file -t $newrev) fi case "$refname","$newrev_type" in refs/tags/*,commit) # un-annotated tag short_refname=${refname##refs/tags/} if [ "$allowunannotated" != "true" ]; then echo "*** The un-annotated tag, $short_refname, is not allowed in this repository" >&2 echo "*** Use 'git tag [ -a | -s ]' for tags you want to propagate." >&2 exit 1 fi ;; refs/tags/*,delete) # delete tag if [ "$allowdeletetag" != "true" ]; then echo "*** Deleting a tag is not allowed in this repository" >&2 exit 1 fi ;; refs/tags/*,tag) # annotated tag if [ "$allowmodifytag" != "true" ] && git rev-parse $refname > /dev/null 2>&1 then echo "*** Tag '$refname' already exists." >&2 echo "*** Modifying a tag is not allowed in this repository." >&2 exit 1 fi ;; refs/heads/*,commit) # branch if [ "$oldrev" = "$zero" -a "$denycreatebranch" = "true" ]; then echo "*** Creating a branch is not allowed in this repository" >&2 exit 1 fi ;; refs/heads/*,delete) # delete branch if [ "$allowdeletebranch" != "true" ]; then echo "*** Deleting a branch is not allowed in this repository" >&2 exit 1 fi ;; refs/remotes/*,commit) # tracking branch ;; refs/remotes/*,delete) # delete tracking branch if [ "$allowdeletebranch" != "true" ]; then echo "*** Deleting a tracking branch is not allowed in this repository" >&2 exit 1 fi ;; *) # Anything else (is there anything else?) echo "*** Update hook: unknown type of update to ref $refname of type $newrev_type" >&2 exit 1 ;; esac # --- Finished exit 0 vde2-2.3.2+r586/.git/index0000644000000000000000000006516414152703567011665 0ustar DIRC*^2:,^2:,FS ?!dl-h{)>COPYING^2:,^2:,%gDZiZʾ \KfWCOPYING.libvdeplug^2:,^2:,& .$ĂHCOPYING.slirpvde^2:,^2:,)"sqDi k{c?g Changelog^2:,^2:,*@!;Y;qINSTALL^2:,^2:,,Oh.1k3 Makefile.am^2:,^2:,.iRu:F4GlS4z Makefile.in^2:,^2:,0K);FM?(0README^2:,^2:,4"nRmq(KD aclocal.m4^2:,^2:,6S6h=8Bn}Xpcompile^2:,^2:,>h\PRPMS<*GXI 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'ld5>³`'unetwork2 2 $zRd @E&8%if-pre-up.d1 0 3v{ UMNif-post-down.d1 0 o ;Ot depatches8 0 3&>z^6\-,p_~include16 0 Zi5~24㞭"'PRkvde2-2.3.2+r586/.git/info/0000755000000000000000000000000014116747066011554 5ustar vde2-2.3.2+r586/.git/info/exclude0000644000000000000000000000036013614540467013125 0ustar # git ls-files --others --exclude-from=.git/info/exclude # Lines that start with '#' are comments. # For a project mostly in C, the following would be a good set of # exclude patterns (uncomment them if you want to use them): # *.[oa] # *~ vde2-2.3.2+r586/.git/info/refs0000644000000000000000000000162514116746353012440 0ustar a889e7c0507a2ad39b30857979c10df4d2c2fdd9 refs/heads/debian/sid c6b68ab89e1dc8bb63a116b7096940a81c690843 refs/heads/upstream c6b68ab89e1dc8bb63a116b7096940a81c690843 refs/remotes/origin/HEAD a889e7c0507a2ad39b30857979c10df4d2c2fdd9 refs/remotes/origin/debian/sid c6b68ab89e1dc8bb63a116b7096940a81c690843 refs/remotes/origin/upstream df06f8a6d364778fe67f1e1821a9adbe6558b878 refs/tags/debian/2.3.2+r586-4 29d32bd7a5fff720b5a57e6ea090c1308d3136f7 refs/tags/debian/2.3.2+r586-5 98fd7a60174cc73a775b208eb5492e7e6bef7418 refs/tags/debian/2.3.2+r586-6 7f83256b7e7e6ee7b9743bb648daf594b4673c8e refs/tags/debian/2.3.2+r586-7 b48786f39f68aa95dc76d81a1416b0d8174f59bf refs/tags/start c6b68ab89e1dc8bb63a116b7096940a81c690843 refs/tags/upstream/2.3.2+r586 bd62b7092dcfbf33ac1a57a38093d907035370bc refs/tags/vde 10686b67f960ba2af08e13aacb1072fc70d8a715 refs/tags/vde-2 77e7ad3c82621309381754030c952b7c010e43c6 refs/tags/vdetelweb vde2-2.3.2+r586/.git/logs/0000755000000000000000000000000014116747066011565 5ustar vde2-2.3.2+r586/.git/logs/HEAD0000644000000000000000000000023114152703567012203 0ustar a889e7c0507a2ad39b30857979c10df4d2c2fdd9 07e68d4668a6329fc577fa190023ec628a5694b2 Mattia Rizzolo 1638652696 +0100 pull: Fast-forward vde2-2.3.2+r586/.git/logs/refs/0000755000000000000000000000000013614540472012516 5ustar vde2-2.3.2+r586/.git/logs/refs/heads/0000755000000000000000000000000014116747066013610 5ustar vde2-2.3.2+r586/.git/logs/refs/heads/debian/0000755000000000000000000000000014116747066015032 5ustar vde2-2.3.2+r586/.git/logs/refs/heads/debian/sid0000644000000000000000000000023114152703567015526 0ustar a889e7c0507a2ad39b30857979c10df4d2c2fdd9 07e68d4668a6329fc577fa190023ec628a5694b2 Mattia Rizzolo 1638652696 +0100 pull: Fast-forward vde2-2.3.2+r586/.git/logs/refs/heads/upstream0000644000000000000000000000000014116747066015361 0ustar vde2-2.3.2+r586/.git/logs/refs/remotes/0000755000000000000000000000000013614540472014174 5ustar vde2-2.3.2+r586/.git/logs/refs/remotes/origin/0000755000000000000000000000000014116747066015471 5ustar vde2-2.3.2+r586/.git/logs/refs/remotes/origin/HEAD0000644000000000000000000000000014116747066016103 0ustar vde2-2.3.2+r586/.git/logs/refs/remotes/origin/debian/0000755000000000000000000000000014116747066016713 5ustar vde2-2.3.2+r586/.git/logs/refs/remotes/origin/debian/sid0000644000000000000000000000023114152703567017407 0ustar a889e7c0507a2ad39b30857979c10df4d2c2fdd9 07e68d4668a6329fc577fa190023ec628a5694b2 Mattia Rizzolo 1638652696 +0100 pull: fast-forward vde2-2.3.2+r586/.git/objects/0000755000000000000000000000000014152703567012250 5ustar vde2-2.3.2+r586/.git/objects/info/0000755000000000000000000000000014116747066013205 5ustar vde2-2.3.2+r586/.git/objects/info/commit-graph0000644000000000000000000007545414116747066015536 0ustar CGPHOIDFDOIDLDCDAT+GDATs,{  "%')+--012356899;<?BDEHKNOPTUUVVX\`acehjkkkmppsuwyyz{}  "#')-15667778;=ABDEFIKMMOVXXZ\]]`abcghlnoppvwwz{}2W)dSvPu$Aks$2Bz^ˤxJ1pH ?kݿ~!WuqC-BjyDU*388cE$Zi|⼐d*إmPl˳-({k͐HșQYGm^}=i!#O"ͺ-G:1 G?QB!ezÎ/C|v%!fq#Łh=y2nx¨߾+g"3#ʯA0M^V`5*@;[ZPvZOC}4]l)q=1U#6azU8N=P7ogalc +YT|lrk EZ\ JmNr 87 fߊ>p ށg?d 5+d Pn|XvT2* Vp㖲 z% qB .+X-Gdj#O&_r*i.mȢQGkq6p Y3ZM:Q["ݤ9BZ#o9:D ? 2Ɉshkg`*rpاNiœx[MݓhcM᧎v.QK0(1ɋ%͏ 3.zvJ|- }eX?N?Á-9=~`ok{@t"=Μ\%t +6ݼ;NEyCE9v"Qd: oIiب :C˼HzmϷ4ϖs vw@FK\s\~iZ8&*s#l??4,8"9J?+ 7|w#TBw%g.4@2j`'f{r"H;Jk~fSyVe`5_ W6C}DF}:K{HCYv]$^ d/#k}hӌ%\W[?0j2C2X%Z JBS)=C%T9·Yo&vǘtv2f3&9زwd`׼'sv W4p ᑦG(=og p+IK(,ϳ ~G#0iM(6aʻ Iπ/) l'a/PA!4TrUs)p<|ϒ/$)+ץ ~n016*"ƌ"5na*1ٞ0w*5-I/TKm+; 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ZX Xd5xK`oxS.KI-I)OMR(JV(N-I,05434325372JIM+/-IE2*H,../J-,,LNnx sqU(K-*S03ճ6*ʹxÞ ':4h+xʘ=!`b4 0x2xuRMO@<~KlRHkjLkӃ1 R6 'owYZOKu8 *cyO2qM¼n8gY"Tfv[EU6.,5= Ue0[GeIݠ Lelpn#:s`zAws =7@cX=D{Q/<3@$Y+-̴,ͺ~9-5N654[ =;TfwEKOpO[V^N Y$Xm8/,EU27:)GO8&TfI7+&vx[6ko<.Ox {["}LNfĉm9U4|]5t SsK |g_wG`M.d9Ee)xK bH,˷ 噛}̼Ĝ+P{L@&(48a*tJ X[*mqzqz Fhb AYf'"M& fj\xc+dKƆo0Nˬ97"">Qdr-y@Z GBx[ʱm=VIc&O`JBxsw RU/-.ONOrR(KI-z^> sqh8;k*`\y%99 P8a| *Nh")(]UQnV9 SsK8s@T_7WrNjb&-_Uox[4i#BYJj!"c h7x[4i0# >&nJx[4a{,Zz\* ͣNxνD71;5-3'9ژo+;`^tTM+I%SOr>nf[Ⱥ;| l[z%oF]&ķl%LOlJOcMdFP7z]NÑŮxs/#?)x! oY-2٢ _ mxՔMo0 zh,H4ڭ8Q;?Rl%N^Lhz^鏦+ڥIN|q(ص֬eqyh)W5H9zt|`ϔ #l͓ i|eHk9h }A y.sL9+e\^ڂFPv8ЮO] ݒ6+WLWaSre&k~g@Oh=Ch0M/@0>`I< "DrDJdazwPz\>æLnn;VJ "TaW?//1x{s2.g7G`[]Ok'&pe$(X)drqtST4\\C\<4U4$(3KeN?-x[x7QmxAfv T100644 VERSION7kXGM:Q%k@t*\ixs qU d!7li\b 2 v)40000 slirpvde<-:F[oZ_&9)ʫ5+!r*rV]$4xa8yv 3&(CMB<^&E}* ao100644 vde_switch.cL_hΠŕ%=$!7+2pxuc&okkL&d1z< (x8(g8f@6iqRelvփGMLd Fx@[yL:Pyh/ޑo^a513MoI@R20eIϊw92HTwדvt8@ڃڠ>7{f'i+100644 tuntap.cce$QE9#"O&2D1ԗ={y !0x7Vf;kn䋟p;joTU<@=*Fe4SvB|Exp4SNأٰЙs40000 bochsZ9`)y0Y7ёJH#;G2“1H zRv wKc ڝ)(32.~x[V/"璪"*ym)j97'pC/ygn%<&K40000 slirpvdeQ .h9WNh5@f(ix8P,4e&jSFBkE0?3n ɲx sqU(K-*S0336)xȘ"r'?YAY C:xȘ"11~6猍rJ%7J' axȘ"a?^xپVѿ&7 ͺx.'100644 vdetaplib.1}#6ӆWIx sqU(K-*S0336(x sqU(K-*S0336'x sqU(K-*S0336%ͼ2xȘ"2IaƢ/&6FoV}ޮ Copyright (C) 19yy This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. 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To apply these terms, attach the following notices to the library. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Also add information on how to contact you by electronic and paper mail. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the library, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the library `Frob' (a library for tweaking knobs) written by James Random Hacker. , 1 April 1990 Ty Coon, President of Vice That's all there is to it! vde2-2.3.2+r586/COPYING.slirpvde0000644000000000000000000000570413614540472012642 0ustar Slirp was written by Danny Gasparovski. Copyright (c), 1995,1996 All Rights Reserved. Slirp is maintained by Kelly Price Slirp is free software; "free" as in you don't have to pay for it, and you are free to do whatever you want with it. I do not accept any donations, monetary or otherwise, for Slirp. Instead, I would ask you to pass this potential donation to your favorite charity. In fact, I encourage *everyone* who finds Slirp useful to make a small donation to their favorite charity (for example, GreenPeace). This is not a requirement, but a suggestion from someone who highly values the service they provide. The copyright terms and conditions: ---BEGIN--- Copyright (c) 1995,1996 Danny Gasparovski. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. All advertising materials mentioning features or use of this software must display the following acknowledgment: This product includes software developed by Danny Gasparovski. THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DANNY GASPAROVSKI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ---END--- This basically means you can do anything you want with the software, except 1) call it your own, and 2) claim warranty on it. There is no warranty for this software. None. Nada. If you lose a million dollars while using Slirp, that's your loss not mine. So, ***USE AT YOUR OWN RISK!***. If these conditions cannot be met due to legal restrictions (E.g. where it is against the law to give out Software without warranty), you must cease using the software and delete all copies you have. Slirp uses code that is copyrighted by the following people/organizations: Juha Pirkola. Gregory M. Christy. The Regents of the University of California. Carnegie Mellon University. The Australian National University. RSA Data Security, Inc. Please read the top of each source file for the details on the various copyrights. vde2-2.3.2+r586/Changelog0000644000000000000000000002126213614540472011567 0ustar VDE 2.3.2, 2011-11-23 * dpipe: new daemon mode * [vde_switch] new mainloop management * [vde_switch] hash table based on 64bits integers * [vde_switch] new priority queue for packets * wirefilter: capacity renamed as "channel buffer size" VDE 2.3.1, 2010-07-25 * [vde_switch] Fix control socket path resolution regression. VDE 2.3.0, 2010-05-29 * Remove some hardcoded paths and use SYSCONFDIR/LOCALSTATEDIR instead. * [vde_switch] Fix multiple vlan tagging when packetfilter is used. * Build system fixes. * Ship README and patch to add VDE support in VirtualBox (included in VirtualBox since 3.2.0). * Ship an updated version of slirp taken from QEMU and include VDE support. * [vde_cryptcab] Remove SIGALRM-based timers. * [vde_l3] Fix unicast test (sourceforge: #2726725) * [libvdeplug] Add vdestream abstraction to send/receive bytes (previously in vde_plug) * [vde_switch] New command "port/createauto" to create a new port with an automatically allocated ID VDE 2.2.3, 2009-05-05 * [vdeterm] Moved history management in a separate library. * [vde_switch] Console bug fixes. * Added vde_pcapplug (connect a vde_switch to a real interface using pcap) * Added missing includes of limits.h/ctype.h * [vde_switch] Added option --mgmtgroup to consmgmt module to specify the group of the management socket. * [vde_switch] Added option --dirmode to datasock module to specify the mode of the socket directory. * [vdetaplib] Added specification of port, mode and group. * [kvde_switch] Bugfixes. * [vde_switch] pdump plugin: add fifo support and buffered/unbuffered choice. * [common] Fix '#include ' for PATH_MAX. (Closes: #2023790) * [vdetaplib] Manpage: added an example to override default port, group and mode. (Closes: #2066885) * [vde_switch] Resize untagged ports bitarray while changing number of ports (Thanks to Michael Sallaway). Closes: #2115547. * [vde_switch] Fix memory reset in BA_REALLOC and BAC_REALLOC (by rd235). (Closes: #2123601) * [kvde_switch] By default kvde_switch is now not compiled in. * [vdeq] Fixed loop if an unknow parameter is specified. Thanks to tfero. (Closes: #2134438) * [slirpvde] Imported patch from to fix static buffer overflow (Closes: #2138410). * [vde_switch] Fixed compatibility with armel architecture using "attribute packet" on registration message structures (thanks to Michele Cucchi). * [vde_cryptcap] Some modifications to allow the client to work on the OpenMoko freerunner. * [vde_switch] Added port access control. * [vde_switch] Changed regular user standard switch to ~/.vde2/stdsock. * [libvdeplug] Downsize vde_open_real() and vde_realpath() stack to fit in User-Mode Linux. * [common] Add pkg-config files for VDE libraries. * [common] Add '--disable-pcap' configure option, thanks to Wulf C. Krueger (Closes: #2600817). * [common] Fix bad malloc replacement (Closes: #2631581), thanks to Michele Cucchi. * [vde_cryptcab] Added support for daemonization. * [vde_cryptcab] Fixed server side disconnections (thanks to Brendan Grieve). * [wirefilter] Added rc file. VDE 2.2.2, 2008-07-08 * Added --enable-profile to configure (for profiling) * Added cleanup() in vdeq on successfull termination (thanks huslu) * Added --mod to new syntax in vdeq man page * Fixed fd leak in runscript() (Closes: #2009311 on SF) * wirefilter man and code cleanup * wirefilter option for blinking added. * Gaussian distribution for range values, Gilbert bursty model for packet loss. * Bugfix on mgmt sessions. * Poor's man hub implemented. (patch by Luca Saiu) VDE 2.2.1, 2008-06-17 * New contact email address: * Code cleanup (some more warnings removed) * [vde_crytcab] Cleared large memory leak due to missing EVP_CIPHER_CTX_cleanup() after encryption/decryption * [vde_cryptcab] Cleared (very small) memory leak in crc32 calls * [vde_cryptcab] Fixed bug on handover after session timeout: now client re-establishes the connection when it sees some traffic, after session timeout. * Heavy directories reorganization, all source code moved under src and include * New internal library libvdecommon.la with common utilities and LIBOBJ replacement/compatibility functions * [common] Fix in poll emulation management * Fix to distclean problem due to wrong LIBOBJ management * [vde_switch] hash/setsize 0 was not recognized as an error and caused vde_switch to hang due to an infinite loop * Don't compile cryptcab if configure detects not to. * Fix for autotools in Slackware * [vde_cryptcab] refactoring: - simplified protocol (though keeping it back-compatible) - fixed some bugs and memory leaks - added some new features * [vde_switch] fix on BPDU generation/handling: do not generate BPDU if FSTP is not active or we are HUB, forward BPDU if FSTP is not active (Closes #1943973 on SF). * [slirpvde] include limits.h on linux as well. * [vde_switch] Applied patch from Bjorn Mork to remove 32/64 bit confusion from bitarray.h (Closes #1984460 on SF). * [vde_switch] do not update last_seen in hash entry if data arrives from a new port and entry still contains old port (Closes #469098 debian). * [vde_cryptcab] server side: - Added feature: cleanup key files on exit - Bugfix: avoid using several switch ports for the same client * [vde_switch][libvdeplug] fixed path management: as paths are sent between different processes with potentially different CWDs, we must assure that the exchanged paths are always absolute ones. - added vde_realpath (similar to realpath(3) but with the resulting path well-defined also in case of partial resolution), taken from xmview's canonicalize. vde_realpath is now part of libvdecommon. - [vde_switch, kvde_switch] socket name in datasock gets canonicalized - [vde_switch, kvde_switch] restored CWD of the switch after each module initialization (so each module initializes with the same CWD. consmgmt called daemon(0, 0) which changed the CWD to /, so the behavior was different when the switch ran in background or in foreground. - [vde_switch] clarified some error messages - [libvdeplug] improved the fallback mechanism in case of no socket specified on the command line and for data socket directory. Now the default positions for the ctlfd are tried only if socket is specified. - [libvdeplug] socket names get canonicalized - [libvdeplug] added a missing / in datasock name * [kvde_switch] added a missing include * [slirpvde] added some checks for successful connection to the VDE switch. * integrations and corrections to some manual pages * [libvdemgmt] fixed memory leaks (Closes: #1948369 on SF) VDE 2.2.0-pre2, 2008-01-31 * [vde_autolink][unixcmd] Added man pages * Code cleanup (removed warnings, added missing prototypes to header files, etc.) * Debian cleanup (in order to make lintian happier) * [slirpvde] Fix for 64 bit architectures (thanks to Andrea Arcangeli) * Added very very very experimental kvde_switch (using IPN) * Minor fixes VDE 2.2.0-pre1, 2007-11-02 * Fixes in vde_cryptcab, libvdeplug, vdeq, slirpvde * wirefilter can connect directly to two local plugs * libvdeplug_dyn is a variant of libvdeplug that allows dynamic loading at runtime * Added vde_switch debug menu for asyncronous notifications [experimental] * Added plugins support to vde_switch [experimental] * New sample plugins: dump and pdump (based on libpcap) * Added debug menu for asynchronous notifications in vde_switch [experimental] * Added KVM symlink to vdeq * Enabled features summary at end of ./configure * Configuration files moved from /etc/ to /etc/vde2/ (and ~/.vde2/) * Ported to FreeBSD * Added vde_tunctl (imported from uml_utilities to avoid useless dependencies * New tools and libraries: libvdemgmt, unixcmd, vde_over_ns, vde_l3, vde_autolink, vde_snmp VDE 2.1.6, 2006-12-21 * Creation of changelog * vde_switch and slirpvde didn't detach from terminal when in daemon mode (thanks: Piotr Roszatycki) * Patch for group-level privileges; -m option added to vdeq and vdetap (thanks: Piotr Roszatycki) * Added #ifdefs for some signals, for better portability (thanks: Piotr Roszatycki) * Fixed LD_PRELOAD examples in vdetaplib help and man page (thanks: Piotr Roszatycki) * Typos in vde_switch man page * Typos in wirefilter man page (thanks: Helmut Grohne) * Missing cleanups in vdeq (thanks: Piotr Roszatycki) * Various fixes in vde_cryptcab source code; added callback to prevent direct calling of vde_cryptcab.c functions from within blowfish.c; added prototypes for some functions (thanks: Dann Frazier) * libvdetap should not use system calls but the next function in the dynamic library symbol list (thanks: Piotr Roszatycki) vde2-2.3.2+r586/INSTALL0000644000000000000000000000110013614540472010773 0ustar If you've just downloaded the distribution from the SVN repository, a: $ autoreconf --install builds up the building infrastructure (if you want to come back to a "svn status", go through the ./configure and then 'make extraclean'). 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(c) 2003/2004/2005/2006 Renzo Davoli Long long time ago based on uml-router Copyright 2002 Yon Uriarte and Jeff Dike qemu-vde-HOWTO is (c) by Jim Brown Notice: Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). Components of the VDE architecture: - VDE switches: virtual counterpart of ethernet switches. - VDE cables: virtual counterpart of a crossed-cable used to connect two switches. - VDE 2 includes: - switch management both from console and from a "unix socket terminal" - VLAN 801.1q *almost* compatible - FSTP (fast spanning tree) already incomplete and currently not tested for 802.1d/w/s compatibility. under development. (vde_switch must be compiled with the FSTP flag on) Using VDE: - All units connected to the VDE see each other as they were on a real ethernet. - A real Linux box can be connected to the VDE using a tap interface (TUNTAP) (packets can be further routed using standard linux methods). - It is possible to join two VDE switches -- also running on different real conputers -- using virtual VDE cables - UML (user-mode-linux) virtual machines can be connected to the VDE - MPS (MIPS emulated machines (c) Morsiani/Davoli) can be connected to the virtual VDE. Examples of VDE uses: - With VDE it is possible to create a virtual network of UML machines running on several real computer - VDE can be used to create tunnels (even crossing masquerated networks) - VDE can provide mobility support. Changing a VDE cable with another does not affect the communications in place. The new VDE cable can use a completely different path on the real net. VDE supports also multiple concurrent VDE cables between a pair of VDE-switches during the hand-off. This eliminates when possible hich-ups of communications due to hand-offs. HOWTO and basic command syntax (for a complete explanation RTM): vde-switch [ -unix control-socket ] [ -tap tuntap-device ] [ -hub ] [-daemon] This command creates a VDE switch. -unix control-socket The control socket is the socket used for local processes to create a new connection. The default value is /tmp/vde.ctl. User-mode-linux default value is /tmp/uml.ctl, so if you want to use vde with UML you can: (1) use "-unix /tmp/uml.ctl" for vde-switch (2) use "eth0=daemon,,/tmp/vde.ctl" for UML -tap tuntap-device the vde-switch is connected to the specified tap interface. Ususally it is reserved for root as /dev/net/tun is not writable. (It is dangerous to have /dev/net/tun writable by ordinary users). -hub the vde-switch works as a hub (all packets are broadcast on all interfaces. -daemon the switch works as a daemon: it runs in background, it uses syslog for error management. vde-plug [-p port] [socketname] A vde-cable is composed by two vde-plug and a "cable". A vde-plug connects its standard input and output to a switch. socketname is the control-socket of the switch the plug must be connected to (default value /tmp/vde.ctl). -p port. To use a specific port of the switch. The first available port is assaigned when not specified. It is possibl eto connect several cables to the same prot: Cables connected to the same port represent several path for the same destination. dpipe cmd1 [arg1] = cmd2 [arg2] it is the double pipe command (it is here just becouse it is not provided by shells). cmd1 and cmd2 are executed, the stdout of cmd1 if pipe connected to the stdin of cmd2 and viceversa. (the symbol = is intended as a pair of communication pipes between the two processes. HOW TO: - (1) SETUP A DAEMON: (as root) # vde_switch -tap tap0 -mod 777 -daemon # ifconfig tap0 192.168.0.254 if you want to have routing to the Internet you can use standard routing commands on the host machine e.g.: # echo "1" > /proc/sys/net/ipv4/ip_forward # iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE for ipv6 # echo "1" > /proc/sys/net/ipv6/conf/eth0/forwarding # radvd radvd must be configured to broadcast the correct prefix for the tap0 subnet ----- example of /etc/radvd.conf file interface tap0 { AdvSendAdvert on; MaxRtrAdvInterval 120; #put here your prefix. prefix 1111:2222:3333:4444::/64 { AdvOnLink on; AdvAutonomous on; AdvRouterAddr on; }; }; ------ end of example - (2) SETUP A SECOND DAEMON (no need for root access) % vde_switch /tmp/my.ctl (add - daemon if you want to run it in background) - (3) CONNECT TWO LOCAL SWITCHES TOGETHER % dpipe vde_plug = vde_plug /tmp/my.ctl (or % dpipe vde_plug /tmp/my.ctl = vde_plug ) connects the vde_switch with ctl socket /tmp/vde.ctl with the other using /tmp/my.ctl. - (3) CONNECT TWO REMOTE SWITCHES TOGETHER You need a tool to interconnect stdin stdout of two remote processes. e.g. % dpipe vde_plug /tmp/my.ctl = ssh remote_machine vde_plug connects the vde_switch with ctl socket /tmp/vde.ctl on the remote_machine with the local switch using /tmp/my.ctl. It is possible to use other tools in place of ssh like netcat. In this latter case the communication is not secure. - (4) CREATION OF TUNNELS. (it needs kernel support for policy routing) Setup two daemon as described in (1). In this example 192.168.0.1 is the tap0 address on the server side. Route the traffic to the Internet on the tunnel server side. On the tunnel client side: - in the example 100.200.201.202 is the IP address on eth0 and 100.200.201.254 is the default gateway. - create a specific rule for the eth0 routing ip rule add from 100.200.201.202 table eth0-table (please note that eth0-table must be listed in /etc/iproute2/rt_tables) ip route del default via 100.200.201.254 ip route add default via 100.200.201.254 table eth0-table the previous default route will be the def. route just for the packets originated with the eth0 inteface address. - connect the two vde-switch together: dpipe vde-plug = ssh -b 100.200.201.202 server-machine vde-plug - setup an appropriate IP address for tap0 interface (or get it by dhcp if set up on server side). (e.g. 192.168.0.10) - use tap0 as the default interface: ip route add default via 192.168.0.1 - (5) SUPPORT FOR MOBILITY Create a tunnel like in 4 using a group number on the vde-cable: dpipe vde-plug -g 1 = ssh -b 100.200.201.202 server-machine vde-plug -g 1 Create a second tunnel (say on ppp0 addr. 100.100.101.102 gateway 100.100.101.254) # ip rule add from 100.100.101.102 table ppp0-table # ip route add default via 100.100.101.254 table ppp0-table Connect the a second cable using the same group number: # dpipe vde-plug -g 1 = ssh -b 100.100.101.102 server-machine vde-plug -g 1 Disconnect the first cable (kill the processes of the first cable) All the traffic get rerouted on the new vde-cable (thus to another path on the rel network. Connections in place are unaffected by the change. Several cables of the same group can be in place during the handoff phase but note that this ends up in duplicated packets that can slow down the communication. Please note also that the vde-switches do not manage (yet) the minimum spanning tree protocol thus a loop in the topology can lead to inconsistent MAC forward tables and to network saturation. Copyright 2003/2004/2005/2006/2011 Renzo Davoli This product includes software developed by Danny Gasparovski and Fabrice Ballard (slirp support). Acknowlegments: Thanks to Marco Giordani, Leonardo Macchia for their useful help for debugging. Imported code by Danny Gasparovsky, Fabrice Ballard. Thanks to Giuseppe Della Bianca for many bug reports, and patch proposals. Thanks to Daniel P. Barrange for several patches and the management of group ownership. 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ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The alpha \(.*\) processor.*$/\1/p' | head -n 1` case "$ALPHA_CPU_TYPE" in "EV4 (21064)") UNAME_MACHINE="alpha" ;; "EV4.5 (21064)") UNAME_MACHINE="alpha" ;; "LCA4 (21066/21068)") UNAME_MACHINE="alpha" ;; "EV5 (21164)") UNAME_MACHINE="alphaev5" ;; "EV5.6 (21164A)") UNAME_MACHINE="alphaev56" ;; "EV5.6 (21164PC)") UNAME_MACHINE="alphapca56" ;; "EV5.7 (21164PC)") UNAME_MACHINE="alphapca57" ;; "EV6 (21264)") UNAME_MACHINE="alphaev6" ;; "EV6.7 (21264A)") UNAME_MACHINE="alphaev67" ;; "EV6.8CB (21264C)") UNAME_MACHINE="alphaev68" ;; "EV6.8AL (21264B)") UNAME_MACHINE="alphaev68" ;; "EV6.8CX (21264D)") UNAME_MACHINE="alphaev68" ;; "EV6.9A (21264/EV69A)") UNAME_MACHINE="alphaev69" ;; "EV7 (21364)") UNAME_MACHINE="alphaev7" ;; "EV7.9 (21364A)") UNAME_MACHINE="alphaev79" ;; esac # A Pn.n version is a patched version. # A Vn.n version is a released version. # A Tn.n version is a released field test version. # A Xn.n version is an unreleased experimental baselevel. # 1.2 uses "1.2" for uname -r. echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` # Reset EXIT trap before exiting to avoid spurious non-zero exit code. exitcode=$? trap '' 0 exit $exitcode ;; Alpha\ *:Windows_NT*:*) # How do we know it's Interix rather than the generic POSIX subsystem? # Should we change UNAME_MACHINE based on the output of uname instead # of the specific Alpha model? echo alpha-pc-interix exit ;; 21064:Windows_NT:50:3) echo alpha-dec-winnt3.5 exit ;; Amiga*:UNIX_System_V:4.0:*) echo m68k-unknown-sysv4 exit ;; *:[Aa]miga[Oo][Ss]:*:*) echo ${UNAME_MACHINE}-unknown-amigaos exit ;; *:[Mm]orph[Oo][Ss]:*:*) echo ${UNAME_MACHINE}-unknown-morphos exit ;; *:OS/390:*:*) echo i370-ibm-openedition exit ;; *:z/VM:*:*) echo s390-ibm-zvmoe exit ;; *:OS400:*:*) echo powerpc-ibm-os400 exit ;; arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*) echo arm-acorn-riscix${UNAME_RELEASE} exit ;; arm*:riscos:*:*|arm*:RISCOS:*:*) echo arm-unknown-riscos exit ;; SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*) echo hppa1.1-hitachi-hiuxmpp exit ;; Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*) # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE. if test "`(/bin/universe) 2>/dev/null`" = att ; then echo pyramid-pyramid-sysv3 else echo pyramid-pyramid-bsd fi exit ;; NILE*:*:*:dcosx) echo pyramid-pyramid-svr4 exit ;; DRS?6000:unix:4.0:6*) echo sparc-icl-nx6 exit ;; DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*) case `/usr/bin/uname -p` in sparc) echo sparc-icl-nx7; exit ;; esac ;; s390x:SunOS:*:*) echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; sun4H:SunOS:5.*:*) echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*) echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*) echo i386-pc-auroraux${UNAME_RELEASE} exit ;; i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*) eval $set_cc_for_build SUN_ARCH="i386" # If there is a compiler, see if it is configured for 64-bit objects. # Note that the Sun cc does not turn __LP64__ into 1 like gcc does. # This test works for both compilers. if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then SUN_ARCH="x86_64" fi fi echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; sun4*:SunOS:6*:*) # According to config.sub, this is the proper way to canonicalize # SunOS6. Hard to guess exactly what SunOS6 will be like, but # it's likely to be more like Solaris than SunOS4. echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; sun4*:SunOS:*:*) case "`/usr/bin/arch -k`" in Series*|S4*) UNAME_RELEASE=`uname -v` ;; esac # Japanese Language versions have a version number like `4.1.3-JL'. echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'` exit ;; sun3*:SunOS:*:*) echo m68k-sun-sunos${UNAME_RELEASE} exit ;; sun*:*:4.2BSD:*) UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null` test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3 case "`/bin/arch`" in sun3) echo m68k-sun-sunos${UNAME_RELEASE} ;; sun4) echo sparc-sun-sunos${UNAME_RELEASE} ;; esac exit ;; aushp:SunOS:*:*) echo sparc-auspex-sunos${UNAME_RELEASE} exit ;; # The situation for MiNT is a little confusing. The machine name # can be virtually everything (everything which is not # "atarist" or "atariste" at least should have a processor # > m68000). The system name ranges from "MiNT" over "FreeMiNT" # to the lowercase version "mint" (or "freemint"). Finally # the system name "TOS" denotes a system which is actually not # MiNT. But MiNT is downward compatible to TOS, so this should # be no problem. atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) echo m68k-atari-mint${UNAME_RELEASE} exit ;; milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) echo m68k-milan-mint${UNAME_RELEASE} exit ;; hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) echo m68k-hades-mint${UNAME_RELEASE} exit ;; *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) echo m68k-unknown-mint${UNAME_RELEASE} exit ;; m68k:machten:*:*) echo m68k-apple-machten${UNAME_RELEASE} exit ;; powerpc:machten:*:*) echo powerpc-apple-machten${UNAME_RELEASE} exit ;; RISC*:Mach:*:*) echo mips-dec-mach_bsd4.3 exit ;; RISC*:ULTRIX:*:*) echo mips-dec-ultrix${UNAME_RELEASE} exit ;; VAX*:ULTRIX*:*:*) echo vax-dec-ultrix${UNAME_RELEASE} exit ;; 2020:CLIX:*:* | 2430:CLIX:*:*) echo clipper-intergraph-clix${UNAME_RELEASE} exit ;; mips:*:*:UMIPS | mips:*:*:RISCos) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #ifdef __cplusplus #include /* for printf() prototype */ int main (int argc, char *argv[]) { #else int main (argc, argv) int argc; char *argv[]; { #endif #if defined (host_mips) && defined (MIPSEB) #if defined (SYSTYPE_SYSV) printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_SVR4) printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); #endif #endif exit (-1); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && SYSTEM_NAME=`$dummy $dummyarg` && { echo "$SYSTEM_NAME"; exit; } echo mips-mips-riscos${UNAME_RELEASE} exit ;; Motorola:PowerMAX_OS:*:*) echo powerpc-motorola-powermax exit ;; Motorola:*:4.3:PL8-*) echo powerpc-harris-powermax exit ;; Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) echo powerpc-harris-powermax exit ;; Night_Hawk:Power_UNIX:*:*) echo powerpc-harris-powerunix exit ;; m88k:CX/UX:7*:*) echo m88k-harris-cxux7 exit ;; m88k:*:4*:R4*) echo m88k-motorola-sysv4 exit ;; m88k:*:3*:R3*) echo m88k-motorola-sysv3 exit ;; AViiON:dgux:*:*) # DG/UX returns AViiON for all architectures UNAME_PROCESSOR=`/usr/bin/uname -p` if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] then if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ [ ${TARGET_BINARY_INTERFACE}x = x ] then echo m88k-dg-dgux${UNAME_RELEASE} else echo m88k-dg-dguxbcs${UNAME_RELEASE} fi else echo i586-dg-dgux${UNAME_RELEASE} fi exit ;; M88*:DolphinOS:*:*) # DolphinOS (SVR3) echo m88k-dolphin-sysv3 exit ;; M88*:*:R3*:*) # Delta 88k system running SVR3 echo m88k-motorola-sysv3 exit ;; XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) echo m88k-tektronix-sysv3 exit ;; Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) echo m68k-tektronix-bsd exit ;; *:IRIX*:*:*) echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` exit ;; ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' i*86:AIX:*:*) echo i386-ibm-aix exit ;; ia64:AIX:*:*) if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} fi echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} exit ;; *:AIX:2:3) if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include main() { if (!__power_pc()) exit(1); puts("powerpc-ibm-aix3.2.5"); exit(0); } EOF if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` then echo "$SYSTEM_NAME" else echo rs6000-ibm-aix3.2.5 fi elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then echo rs6000-ibm-aix3.2.4 else echo rs6000-ibm-aix3.2 fi exit ;; *:AIX:*:[4567]) IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then IBM_ARCH=rs6000 else IBM_ARCH=powerpc fi if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} fi echo ${IBM_ARCH}-ibm-aix${IBM_REV} exit ;; *:AIX:*:*) echo rs6000-ibm-aix exit ;; ibmrt:4.4BSD:*|romp-ibm:BSD:*) echo romp-ibm-bsd4.4 exit ;; ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to exit ;; # report: romp-ibm BSD 4.3 *:BOSX:*:*) echo rs6000-bull-bosx exit ;; DPX/2?00:B.O.S.:*:*) echo m68k-bull-sysv3 exit ;; 9000/[34]??:4.3bsd:1.*:*) echo m68k-hp-bsd exit ;; hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) echo m68k-hp-bsd4.4 exit ;; 9000/[34678]??:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` case "${UNAME_MACHINE}" in 9000/31? ) HP_ARCH=m68000 ;; 9000/[34]?? ) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if [ -x /usr/bin/getconf ]; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case "${sc_cpu_version}" in 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case "${sc_kernel_bits}" in 32) HP_ARCH="hppa2.0n" ;; 64) HP_ARCH="hppa2.0w" ;; '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 esac ;; esac fi if [ "${HP_ARCH}" = "" ]; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if [ ${HP_ARCH} = "hppa2.0w" ] then eval $set_cc_for_build # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. GNU and HP use different nomenclature: # # $ CC_FOR_BUILD=cc ./config.guess # => hppa2.0w-hp-hpux11.23 # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess # => hppa64-hp-hpux11.23 if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | grep -q __LP64__ then HP_ARCH="hppa2.0w" else HP_ARCH="hppa64" fi fi echo ${HP_ARCH}-hp-hpux${HPUX_REV} exit ;; ia64:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` echo ia64-hp-hpux${HPUX_REV} exit ;; 3050*:HI-UX:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && { echo "$SYSTEM_NAME"; exit; } echo unknown-hitachi-hiuxwe2 exit ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) echo hppa1.1-hp-bsd exit ;; 9000/8??:4.3bsd:*:*) echo hppa1.0-hp-bsd exit ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) echo hppa1.0-hp-mpeix exit ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) echo hppa1.1-hp-osf exit ;; hp8??:OSF1:*:*) echo hppa1.0-hp-osf exit ;; i*86:OSF1:*:*) if [ -x /usr/sbin/sysversion ] ; then echo ${UNAME_MACHINE}-unknown-osf1mk else echo ${UNAME_MACHINE}-unknown-osf1 fi exit ;; parisc*:Lites*:*:*) echo hppa1.1-hp-lites exit ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) echo c1-convex-bsd exit ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) echo c34-convex-bsd exit ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) echo c38-convex-bsd exit ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) echo c4-convex-bsd exit ;; CRAY*Y-MP:*:*:*) echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*[A-Z]90:*:*:*) echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*T3E:*:*:*) echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*SV1:*:*:*) echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; *:UNICOS/mp:*:*) echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} exit ;; sparc*:BSD/OS:*:*) echo sparc-unknown-bsdi${UNAME_RELEASE} exit ;; *:BSD/OS:*:*) echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} exit ;; *:FreeBSD:*:*) UNAME_PROCESSOR=`/usr/bin/uname -p` case ${UNAME_PROCESSOR} in amd64) echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; *) echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; esac exit ;; i*:CYGWIN*:*) echo ${UNAME_MACHINE}-pc-cygwin exit ;; *:MINGW64*:*) echo ${UNAME_MACHINE}-pc-mingw64 exit ;; *:MINGW*:*) echo ${UNAME_MACHINE}-pc-mingw32 exit ;; *:MSYS*:*) echo ${UNAME_MACHINE}-pc-msys exit ;; i*:windows32*:*) # uname -m includes "-pc" on this system. echo ${UNAME_MACHINE}-mingw32 exit ;; i*:PW*:*) echo ${UNAME_MACHINE}-pc-pw32 exit ;; *:Interix*:*) case ${UNAME_MACHINE} in x86) echo i586-pc-interix${UNAME_RELEASE} exit ;; authenticamd | genuineintel | EM64T) echo x86_64-unknown-interix${UNAME_RELEASE} exit ;; IA64) echo ia64-unknown-interix${UNAME_RELEASE} exit ;; esac ;; [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) echo i${UNAME_MACHINE}-pc-mks exit ;; 8664:Windows_NT:*) echo x86_64-pc-mks exit ;; i*:Windows_NT*:* | Pentium*:Windows_NT*:*) # How do we know it's Interix rather than the generic POSIX subsystem? # It also conflicts with pre-2.0 versions of AT&T UWIN. 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EV56) UNAME_MACHINE=alphaev56 ;; PCA56) UNAME_MACHINE=alphapca56 ;; PCA57) UNAME_MACHINE=alphapca56 ;; EV6) UNAME_MACHINE=alphaev6 ;; EV67) UNAME_MACHINE=alphaev67 ;; EV68*) UNAME_MACHINE=alphaev68 ;; esac objdump --private-headers /bin/sh | grep -q ld.so.1 if test "$?" = 0 ; then LIBC="gnulibc1" ; fi echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; arc:Linux:*:* | arceb:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; arm*:Linux:*:*) eval $set_cc_for_build if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_EABI__ then echo ${UNAME_MACHINE}-unknown-linux-${LIBC} else if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabi else echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabihf fi fi exit ;; avr32*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; cris:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-${LIBC} exit ;; crisv32:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-${LIBC} exit ;; 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vax:Linux:*:*) echo ${UNAME_MACHINE}-dec-linux-${LIBC} exit ;; x86_64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; xtensa*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both # sysname and nodename. echo i386-sequent-sysv4 exit ;; i*86:UNIX_SV:4.2MP:2.*) # Unixware is an offshoot of SVR4, but it has its own version # number series starting with 2... # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. # Use sysv4.2uw... so that sysv4* matches it. echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} exit ;; i*86:OS/2:*:*) # If we were able to find `uname', then EMX Unix compatibility # is probably installed. echo ${UNAME_MACHINE}-pc-os2-emx exit ;; i*86:XTS-300:*:STOP) echo ${UNAME_MACHINE}-unknown-stop exit ;; i*86:atheos:*:*) echo ${UNAME_MACHINE}-unknown-atheos exit ;; i*86:syllable:*:*) echo ${UNAME_MACHINE}-pc-syllable exit ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) echo i386-unknown-lynxos${UNAME_RELEASE} exit ;; i*86:*DOS:*:*) echo ${UNAME_MACHINE}-pc-msdosdjgpp exit ;; i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} else echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} fi exit ;; i*86:*:5:[678]*) # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; *Pent*|*Celeron) UNAME_MACHINE=i686 ;; esac echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} exit ;; i*86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ && UNAME_MACHINE=i586 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ && UNAME_MACHINE=i686 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ && UNAME_MACHINE=i686 echo ${UNAME_MACHINE}-pc-sco$UNAME_REL else echo ${UNAME_MACHINE}-pc-sysv32 fi exit ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configury will decide that # this is a cross-build. echo i586-pc-msdosdjgpp exit ;; Intel:Mach:3*:*) echo i386-pc-mach3 exit ;; paragon:*:*:*) echo i860-intel-osf1 exit ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 fi exit ;; mini*:CTIX:SYS*5:*) # "miniframe" echo m68010-convergent-sysv exit ;; mc68k:UNIX:SYSTEM5:3.51m) echo m68k-convergent-sysv exit ;; M680?0:D-NIX:5.3:*) echo m68k-diab-dnix exit ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4; exit; } ;; NCR*:*:4.2:* | MPRAS*:*:4.2:*) OS_REL='.3' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) echo m68k-unknown-lynxos${UNAME_RELEASE} exit ;; mc68030:UNIX_System_V:4.*:*) echo m68k-atari-sysv4 exit ;; TSUNAMI:LynxOS:2.*:*) echo sparc-unknown-lynxos${UNAME_RELEASE} exit ;; rs6000:LynxOS:2.*:*) echo rs6000-unknown-lynxos${UNAME_RELEASE} exit ;; PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) echo powerpc-unknown-lynxos${UNAME_RELEASE} exit ;; SM[BE]S:UNIX_SV:*:*) echo mips-dde-sysv${UNAME_RELEASE} exit ;; RM*:ReliantUNIX-*:*:*) echo mips-sni-sysv4 exit ;; RM*:SINIX-*:*:*) echo mips-sni-sysv4 exit ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` echo ${UNAME_MACHINE}-sni-sysv4 else echo ns32k-sni-sysv fi exit ;; PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort # says echo i586-unisys-sysv4 exit ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm echo hppa1.1-stratus-sysv4 exit ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. echo i860-stratus-sysv4 exit ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. echo ${UNAME_MACHINE}-stratus-vos exit ;; *:VOS:*:*) # From Paul.Green@stratus.com. echo hppa1.1-stratus-vos exit ;; mc68*:A/UX:*:*) echo m68k-apple-aux${UNAME_RELEASE} exit ;; news*:NEWS-OS:6*:*) echo mips-sony-newsos6 exit ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if [ -d /usr/nec ]; then echo mips-nec-sysv${UNAME_RELEASE} else echo mips-unknown-sysv${UNAME_RELEASE} fi exit ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. echo powerpc-be-beos exit ;; BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. echo powerpc-apple-beos exit ;; BePC:BeOS:*:*) # BeOS running on Intel PC compatible. echo i586-pc-beos exit ;; BePC:Haiku:*:*) # Haiku running on Intel PC compatible. echo i586-pc-haiku exit ;; x86_64:Haiku:*:*) echo x86_64-unknown-haiku exit ;; SX-4:SUPER-UX:*:*) echo sx4-nec-superux${UNAME_RELEASE} exit ;; SX-5:SUPER-UX:*:*) echo sx5-nec-superux${UNAME_RELEASE} exit ;; SX-6:SUPER-UX:*:*) echo sx6-nec-superux${UNAME_RELEASE} exit ;; SX-7:SUPER-UX:*:*) echo sx7-nec-superux${UNAME_RELEASE} exit ;; SX-8:SUPER-UX:*:*) echo sx8-nec-superux${UNAME_RELEASE} exit ;; SX-8R:SUPER-UX:*:*) echo sx8r-nec-superux${UNAME_RELEASE} exit ;; Power*:Rhapsody:*:*) echo powerpc-apple-rhapsody${UNAME_RELEASE} exit ;; *:Rhapsody:*:*) echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} exit ;; *:Darwin:*:*) UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown eval $set_cc_for_build if test "$UNAME_PROCESSOR" = unknown ; then UNAME_PROCESSOR=powerpc fi if test `echo "$UNAME_RELEASE" | sed -e 's/\..*//'` -le 10 ; then if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then case $UNAME_PROCESSOR in i386) UNAME_PROCESSOR=x86_64 ;; powerpc) UNAME_PROCESSOR=powerpc64 ;; esac fi fi elif test "$UNAME_PROCESSOR" = i386 ; then # Avoid executing cc on OS X 10.9, as it ships with a stub # that puts up a graphical alert prompting to install # developer tools. Any system running Mac OS X 10.7 or # later (Darwin 11 and later) is required to have a 64-bit # processor. This is not true of the ARM version of Darwin # that Apple uses in portable devices. UNAME_PROCESSOR=x86_64 fi echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} exit ;; *:procnto*:*:* | *:QNX:[0123456789]*:*) UNAME_PROCESSOR=`uname -p` if test "$UNAME_PROCESSOR" = "x86"; then UNAME_PROCESSOR=i386 UNAME_MACHINE=pc fi echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} exit ;; *:QNX:*:4*) echo i386-pc-qnx exit ;; NEO-?:NONSTOP_KERNEL:*:*) echo neo-tandem-nsk${UNAME_RELEASE} exit ;; NSE-*:NONSTOP_KERNEL:*:*) echo nse-tandem-nsk${UNAME_RELEASE} exit ;; NSR-?:NONSTOP_KERNEL:*:*) echo nsr-tandem-nsk${UNAME_RELEASE} exit ;; *:NonStop-UX:*:*) echo mips-compaq-nonstopux exit ;; BS2000:POSIX*:*:*) echo bs2000-siemens-sysv exit ;; DS/*:UNIX_System_V:*:*) echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE} exit ;; *:Plan9:*:*) # "uname -m" is not consistent, so use $cputype instead. 386 # is converted to i386 for consistency with other x86 # operating systems. if test "$cputype" = "386"; then UNAME_MACHINE=i386 else UNAME_MACHINE="$cputype" fi echo ${UNAME_MACHINE}-unknown-plan9 exit ;; *:TOPS-10:*:*) echo pdp10-unknown-tops10 exit ;; *:TENEX:*:*) echo pdp10-unknown-tenex exit ;; KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) echo pdp10-dec-tops20 exit ;; XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) echo pdp10-xkl-tops20 exit ;; *:TOPS-20:*:*) echo pdp10-unknown-tops20 exit ;; *:ITS:*:*) echo pdp10-unknown-its exit ;; SEI:*:*:SEIUX) echo mips-sei-seiux${UNAME_RELEASE} exit ;; *:DragonFly:*:*) echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` exit ;; *:*VMS:*:*) UNAME_MACHINE=`(uname -p) 2>/dev/null` case "${UNAME_MACHINE}" in A*) echo alpha-dec-vms ; exit ;; I*) echo ia64-dec-vms ; exit ;; V*) echo vax-dec-vms ; exit ;; esac ;; *:XENIX:*:SysV) echo i386-pc-xenix exit ;; i*86:skyos:*:*) echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' exit ;; i*86:rdos:*:*) echo ${UNAME_MACHINE}-pc-rdos exit ;; i*86:AROS:*:*) echo ${UNAME_MACHINE}-pc-aros exit ;; x86_64:VMkernel:*:*) echo ${UNAME_MACHINE}-unknown-esx exit ;; esac cat >&2 < in order to provide the needed information to handle your system. config.guess timestamp = $timestamp uname -m = `(uname -m) 2>/dev/null || echo unknown` uname -r = `(uname -r) 2>/dev/null || echo unknown` uname -s = `(uname -s) 2>/dev/null || echo unknown` uname -v = `(uname -v) 2>/dev/null || echo unknown` /usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` /bin/uname -X = `(/bin/uname -X) 2>/dev/null` hostinfo = `(hostinfo) 2>/dev/null` /bin/universe = `(/bin/universe) 2>/dev/null` /usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` /bin/arch = `(/bin/arch) 2>/dev/null` /usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` UNAME_MACHINE = ${UNAME_MACHINE} UNAME_RELEASE = ${UNAME_RELEASE} UNAME_SYSTEM = ${UNAME_SYSTEM} UNAME_VERSION = ${UNAME_VERSION} EOF exit 1 # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: vde2-2.3.2+r586/config.sub0000755000000000000000000010577513614540472011754 0ustar #! /bin/sh # Configuration validation subroutine script. # Copyright 1992-2014 Free Software Foundation, Inc. timestamp='2014-09-11' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that # program. This Exception is an additional permission under section 7 # of the GNU General Public License, version 3 ("GPLv3"). # Please send patches with a ChangeLog entry to config-patches@gnu.org. # # Configuration subroutine to validate and canonicalize a configuration type. # Supply the specified configuration type as an argument. # If it is invalid, we print an error message on stderr and exit with code 1. # Otherwise, we print the canonical config type on stdout and succeed. # You can get the latest version of this script from: # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD # This file is supposed to be the same for all GNU packages # and recognize all the CPU types, system types and aliases # that are meaningful with *any* GNU software. # Each package is responsible for reporting which valid configurations # it does not support. The user should be able to distinguish # a failure to support a valid configuration from a meaningless # configuration. # The goal of this file is to map all the various variations of a given # machine specification into a single specification in the form: # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM # or in some cases, the newer four-part form: # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM # It is wrong to echo any other type of specification. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] CPU-MFR-OPSYS $0 [OPTION] ALIAS Canonicalize a configuration name. Operation modes: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.sub ($timestamp) Copyright 1992-2014 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" exit 1 ;; *local*) # First pass through any local machine types. echo $1 exit ;; * ) break ;; esac done case $# in 0) echo "$me: missing argument$help" >&2 exit 1;; 1) ;; *) echo "$me: too many arguments$help" >&2 exit 1;; esac # Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). # Here we must recognize all the valid KERNEL-OS combinations. maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` case $maybe_os in nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ knetbsd*-gnu* | netbsd*-gnu* | \ kopensolaris*-gnu* | \ storm-chaos* | os2-emx* | rtmk-nova*) os=-$maybe_os basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` ;; android-linux) os=-linux-android basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown ;; *) basic_machine=`echo $1 | sed 's/-[^-]*$//'` if [ $basic_machine != $1 ] then os=`echo $1 | sed 's/.*-/-/'` else os=; fi ;; esac ### Let's recognize common machines as not being operating systems so ### that things like config.sub decstation-3100 work. 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-sco5) os=-sco3.2v5 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco4) os=-sco3.2v4 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2.[4-9]*) os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2v[4-9]*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5v6*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco*) os=-sco3.2v2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -udk*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -isc) os=-isc2.2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -clix*) basic_machine=clipper-intergraph ;; -isc*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -lynx*178) os=-lynxos178 ;; -lynx*5) os=-lynxos5 ;; -lynx*) os=-lynxos ;; -ptx*) basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` ;; -windowsnt*) os=`echo $os | sed -e 's/windowsnt/winnt/'` ;; -psos*) os=-psos ;; -mint | -mint[0-9]*) basic_machine=m68k-atari os=-mint ;; esac # Decode aliases for certain CPU-COMPANY combinations. case $basic_machine in # Recognize the basic CPU types without company name. # Some are omitted here because they have special meanings below. 1750a | 580 \ | a29k \ | aarch64 | aarch64_be \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ | am33_2.0 \ | arc | arceb \ | arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \ | avr | avr32 \ | be32 | be64 \ | bfin \ | c4x | c8051 | clipper \ | d10v | d30v | dlx | dsp16xx \ | epiphany \ | fido | fr30 | frv \ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ | hexagon \ | i370 | i860 | i960 | ia64 \ | ip2k | iq2000 \ | k1om \ | le32 | le64 \ | lm32 \ | m32c | m32r | m32rle | m68000 | m68k | m88k \ | maxq | mb | microblaze | microblazeel | mcore | mep | metag \ | mips | mipsbe | mipseb | mipsel | mipsle \ | mips16 \ | mips64 | mips64el \ | mips64octeon | mips64octeonel \ | mips64orion | mips64orionel \ | mips64r5900 | mips64r5900el \ | mips64vr | mips64vrel \ | mips64vr4100 | mips64vr4100el \ | mips64vr4300 | mips64vr4300el \ | mips64vr5000 | mips64vr5000el \ | mips64vr5900 | mips64vr5900el \ | mipsisa32 | mipsisa32el \ | mipsisa32r2 | mipsisa32r2el \ | mipsisa32r6 | mipsisa32r6el \ | mipsisa64 | mipsisa64el \ | mipsisa64r2 | mipsisa64r2el \ | mipsisa64r6 | mipsisa64r6el \ | mipsisa64sb1 | mipsisa64sb1el \ | mipsisa64sr71k | mipsisa64sr71kel \ | mipsr5900 | mipsr5900el \ | mipstx39 | mipstx39el \ | mn10200 | mn10300 \ | moxie \ | mt \ | msp430 \ | nds32 | nds32le | nds32be \ | nios | nios2 | nios2eb | nios2el \ | ns16k | ns32k \ | open8 | or1k | or1knd | or32 \ | pdp10 | pdp11 | pj | pjl \ | powerpc | powerpc64 | powerpc64le | powerpcle \ | pyramid \ | riscv32 | riscv64 \ | rl78 | rx \ | score \ | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ | sh64 | sh64le \ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ | spu \ | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ | ubicom32 \ | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ | we32k \ | x86 | xc16x | xstormy16 | xtensa \ | z8k | z80) basic_machine=$basic_machine-unknown ;; c54x) basic_machine=tic54x-unknown ;; c55x) basic_machine=tic55x-unknown ;; c6x) basic_machine=tic6x-unknown ;; m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip) basic_machine=$basic_machine-unknown os=-none ;; m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) ;; ms1) basic_machine=mt-unknown ;; strongarm | thumb | xscale) basic_machine=arm-unknown ;; xgate) basic_machine=$basic_machine-unknown os=-none ;; xscaleeb) basic_machine=armeb-unknown ;; xscaleel) basic_machine=armel-unknown ;; # We use `pc' rather than `unknown' # because (1) that's what they normally are, and # (2) the word "unknown" tends to confuse beginning users. i*86 | x86_64) basic_machine=$basic_machine-pc ;; # Object if more than one company name word. *-*-*) echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 exit 1 ;; # Recognize the basic CPU types with company name. 580-* \ | a29k-* \ | aarch64-* | aarch64_be-* \ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ | avr-* | avr32-* \ | be32-* | be64-* \ | bfin-* | bs2000-* \ | c[123]* | c30-* | [cjt]90-* | c4x-* \ | c8051-* | clipper-* | craynv-* | cydra-* \ | d10v-* | d30v-* | dlx-* \ | elxsi-* \ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ | h8300-* | h8500-* \ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ | hexagon-* \ | i*86-* | i860-* | i960-* | ia64-* \ | ip2k-* | iq2000-* \ | k1om-* \ | le32-* | le64-* \ | lm32-* \ | m32c-* | m32r-* | m32rle-* \ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ | m88110-* | m88k-* | maxq-* | mcore-* | metag-* \ | microblaze-* | microblazeel-* \ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ | mips16-* \ | mips64-* | mips64el-* \ | mips64octeon-* | mips64octeonel-* \ | mips64orion-* | mips64orionel-* \ | mips64r5900-* | mips64r5900el-* \ | mips64vr-* | mips64vrel-* \ | mips64vr4100-* | mips64vr4100el-* \ | mips64vr4300-* | mips64vr4300el-* \ | mips64vr5000-* | mips64vr5000el-* \ | mips64vr5900-* | mips64vr5900el-* \ | mipsisa32-* | mipsisa32el-* \ | mipsisa32r2-* | mipsisa32r2el-* \ | mipsisa32r6-* | mipsisa32r6el-* \ | mipsisa64-* | mipsisa64el-* \ | mipsisa64r2-* | mipsisa64r2el-* \ | mipsisa64r6-* | mipsisa64r6el-* \ | mipsisa64sb1-* | mipsisa64sb1el-* \ | mipsisa64sr71k-* | mipsisa64sr71kel-* \ | mipsr5900-* | mipsr5900el-* \ | mipstx39-* | mipstx39el-* \ | mmix-* \ | mt-* \ | msp430-* \ | nds32-* | nds32le-* | nds32be-* \ | nios-* | nios2-* | nios2eb-* | nios2el-* \ | none-* | np1-* | ns16k-* | ns32k-* \ | open8-* \ | or1k*-* \ | orion-* \ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ | pyramid-* \ | rl78-* | romp-* | rs6000-* | rx-* \ | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ | sparclite-* \ | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \ | tahoe-* \ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ | tile*-* \ | tron-* \ | ubicom32-* \ | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ | vax-* \ | we32k-* \ | x86-* | x86_64-* | xc16x-* | xps100-* \ | xstormy16-* | xtensa*-* \ | ymp-* \ | z8k-* | z80-*) ;; # Recognize the basic CPU types without company name, with glob match. xtensa*) basic_machine=$basic_machine-unknown ;; # Recognize the various machine names and aliases which stand # for a CPU type and a company and sometimes even an OS. 386bsd) basic_machine=i386-unknown os=-bsd ;; 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) basic_machine=m68000-att ;; 3b*) basic_machine=we32k-att ;; a29khif) basic_machine=a29k-amd os=-udi ;; abacus) basic_machine=abacus-unknown ;; adobe68k) basic_machine=m68010-adobe os=-scout ;; alliant | fx80) basic_machine=fx80-alliant ;; altos | altos3068) basic_machine=m68k-altos ;; am29k) basic_machine=a29k-none os=-bsd ;; amd64) basic_machine=x86_64-pc ;; amd64-*) basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` ;; amdahl) basic_machine=580-amdahl os=-sysv ;; amiga | amiga-*) basic_machine=m68k-unknown ;; amigaos | amigados) basic_machine=m68k-unknown os=-amigaos ;; amigaunix | amix) basic_machine=m68k-unknown os=-sysv4 ;; apollo68) basic_machine=m68k-apollo os=-sysv ;; apollo68bsd) basic_machine=m68k-apollo os=-bsd ;; aros) basic_machine=i386-pc os=-aros ;; aux) basic_machine=m68k-apple os=-aux ;; balance) basic_machine=ns32k-sequent os=-dynix ;; blackfin) basic_machine=bfin-unknown os=-linux ;; blackfin-*) basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; bluegene*) basic_machine=powerpc-ibm os=-cnk ;; c54x-*) basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c55x-*) basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c6x-*) basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c90) basic_machine=c90-cray os=-unicos ;; cegcc) basic_machine=arm-unknown os=-cegcc ;; convex-c1) basic_machine=c1-convex os=-bsd ;; convex-c2) basic_machine=c2-convex os=-bsd ;; convex-c32) basic_machine=c32-convex os=-bsd ;; convex-c34) basic_machine=c34-convex os=-bsd ;; convex-c38) basic_machine=c38-convex os=-bsd ;; cray | j90) basic_machine=j90-cray os=-unicos ;; craynv) basic_machine=craynv-cray os=-unicosmp ;; cr16 | cr16-*) basic_machine=cr16-unknown os=-elf ;; crds | unos) basic_machine=m68k-crds ;; crisv32 | crisv32-* | etraxfs*) basic_machine=crisv32-axis ;; cris | cris-* | etrax*) basic_machine=cris-axis ;; crx) basic_machine=crx-unknown os=-elf ;; da30 | da30-*) basic_machine=m68k-da30 ;; decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) basic_machine=mips-dec ;; decsystem10* | dec10*) basic_machine=pdp10-dec os=-tops10 ;; decsystem20* | dec20*) basic_machine=pdp10-dec os=-tops20 ;; delta | 3300 | motorola-3300 | motorola-delta \ | 3300-motorola | delta-motorola) basic_machine=m68k-motorola ;; delta88) basic_machine=m88k-motorola os=-sysv3 ;; dicos) basic_machine=i686-pc os=-dicos ;; djgpp) basic_machine=i586-pc os=-msdosdjgpp ;; dpx20 | dpx20-*) basic_machine=rs6000-bull os=-bosx ;; dpx2* | dpx2*-bull) basic_machine=m68k-bull os=-sysv3 ;; ebmon29k) basic_machine=a29k-amd os=-ebmon ;; elxsi) basic_machine=elxsi-elxsi os=-bsd ;; encore | umax | mmax) basic_machine=ns32k-encore ;; es1800 | OSE68k | ose68k | ose | OSE) basic_machine=m68k-ericsson os=-ose ;; fx2800) basic_machine=i860-alliant ;; genix) basic_machine=ns32k-ns ;; gmicro) basic_machine=tron-gmicro os=-sysv ;; go32) basic_machine=i386-pc os=-go32 ;; h3050r* | hiux*) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; h8300hms) basic_machine=h8300-hitachi os=-hms ;; h8300xray) basic_machine=h8300-hitachi os=-xray ;; h8500hms) basic_machine=h8500-hitachi os=-hms ;; harris) basic_machine=m88k-harris os=-sysv3 ;; hp300-*) basic_machine=m68k-hp ;; hp300bsd) basic_machine=m68k-hp os=-bsd ;; hp300hpux) basic_machine=m68k-hp os=-hpux ;; hp3k9[0-9][0-9] | hp9[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k2[0-9][0-9] | hp9k31[0-9]) basic_machine=m68000-hp ;; hp9k3[2-9][0-9]) basic_machine=m68k-hp ;; hp9k6[0-9][0-9] | hp6[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k7[0-79][0-9] | hp7[0-79][0-9]) basic_machine=hppa1.1-hp ;; hp9k78[0-9] | hp78[0-9]) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[0-9][13679] | hp8[0-9][13679]) basic_machine=hppa1.1-hp ;; hp9k8[0-9][0-9] | hp8[0-9][0-9]) basic_machine=hppa1.0-hp ;; hppa-next) os=-nextstep3 ;; hppaosf) basic_machine=hppa1.1-hp os=-osf ;; hppro) basic_machine=hppa1.1-hp os=-proelf ;; i370-ibm* | ibm*) basic_machine=i370-ibm ;; i*86v32) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv32 ;; i*86v4*) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv4 ;; i*86v) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv ;; i*86sol2) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-solaris2 ;; i386mach) basic_machine=i386-mach os=-mach ;; i386-vsta | vsta) basic_machine=i386-unknown os=-vsta ;; iris | iris4d) basic_machine=mips-sgi case $os in -irix*) ;; *) os=-irix4 ;; esac ;; isi68 | isi) basic_machine=m68k-isi os=-sysv ;; m68knommu) basic_machine=m68k-unknown os=-linux ;; m68knommu-*) basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; m88k-omron*) basic_machine=m88k-omron ;; magnum | m3230) basic_machine=mips-mips os=-sysv ;; merlin) basic_machine=ns32k-utek os=-sysv ;; microblaze*) basic_machine=microblaze-xilinx ;; mingw64) basic_machine=x86_64-pc os=-mingw64 ;; mingw32) basic_machine=i686-pc os=-mingw32 ;; mingw32ce) basic_machine=arm-unknown os=-mingw32ce ;; miniframe) basic_machine=m68000-convergent ;; *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) basic_machine=m68k-atari os=-mint ;; mips3*-*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` ;; mips3*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown ;; monitor) basic_machine=m68k-rom68k os=-coff ;; morphos) basic_machine=powerpc-unknown os=-morphos ;; moxiebox) basic_machine=moxie-unknown os=-moxiebox ;; msdos) basic_machine=i386-pc os=-msdos ;; ms1-*) basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'` ;; msys) basic_machine=i686-pc os=-msys ;; mvs) basic_machine=i370-ibm os=-mvs ;; nacl) basic_machine=le32-unknown os=-nacl ;; ncr3000) basic_machine=i486-ncr os=-sysv4 ;; netbsd386) basic_machine=i386-unknown os=-netbsd ;; netwinder) basic_machine=armv4l-rebel os=-linux ;; news | news700 | news800 | news900) basic_machine=m68k-sony os=-newsos ;; news1000) basic_machine=m68030-sony os=-newsos ;; news-3600 | risc-news) basic_machine=mips-sony os=-newsos ;; necv70) basic_machine=v70-nec os=-sysv ;; next | m*-next ) basic_machine=m68k-next case $os in -nextstep* ) ;; -ns2*) os=-nextstep2 ;; *) os=-nextstep3 ;; esac ;; nh3000) basic_machine=m68k-harris os=-cxux ;; nh[45]000) basic_machine=m88k-harris os=-cxux ;; nindy960) basic_machine=i960-intel os=-nindy ;; mon960) basic_machine=i960-intel os=-mon960 ;; nonstopux) basic_machine=mips-compaq os=-nonstopux ;; np1) basic_machine=np1-gould ;; neo-tandem) basic_machine=neo-tandem ;; nse-tandem) basic_machine=nse-tandem ;; nsr-tandem) basic_machine=nsr-tandem ;; op50n-* | op60c-*) basic_machine=hppa1.1-oki os=-proelf ;; openrisc | openrisc-*) basic_machine=or32-unknown ;; os400) basic_machine=powerpc-ibm os=-os400 ;; OSE68000 | ose68000) basic_machine=m68000-ericsson os=-ose ;; os68k) basic_machine=m68k-none os=-os68k ;; pa-hitachi) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; paragon) basic_machine=i860-intel os=-osf ;; parisc) basic_machine=hppa-unknown os=-linux ;; parisc-*) basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; pbd) basic_machine=sparc-tti ;; pbb) basic_machine=m68k-tti ;; pc532 | pc532-*) basic_machine=ns32k-pc532 ;; pc98) basic_machine=i386-pc ;; pc98-*) basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentium | p5 | k5 | k6 | nexgen | viac3) basic_machine=i586-pc ;; pentiumpro | p6 | 6x86 | athlon | athlon_*) basic_machine=i686-pc ;; pentiumii | pentium2 | pentiumiii | pentium3) basic_machine=i686-pc ;; pentium4) basic_machine=i786-pc ;; pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentiumpro-* | p6-* | 6x86-* | athlon-*) basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pentium4-*) basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'` ;; pn) basic_machine=pn-gould ;; power) basic_machine=power-ibm ;; ppc | ppcbe) basic_machine=powerpc-unknown ;; ppc-* | ppcbe-*) basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppcle | powerpclittle | ppc-le | powerpc-little) basic_machine=powerpcle-unknown ;; ppcle-* | powerpclittle-*) basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppc64) basic_machine=powerpc64-unknown ;; ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppc64le | powerpc64little | ppc64-le | powerpc64-little) basic_machine=powerpc64le-unknown ;; ppc64le-* | powerpc64little-*) basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ps2) basic_machine=i386-ibm ;; pw32) basic_machine=i586-unknown os=-pw32 ;; rdos | rdos64) basic_machine=x86_64-pc os=-rdos ;; rdos32) basic_machine=i386-pc os=-rdos ;; rom68k) basic_machine=m68k-rom68k os=-coff ;; rm[46]00) basic_machine=mips-siemens ;; 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Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu*) # Under GNU Hurd, this test is not required because there is # no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | mingw* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; mint*) # On MiNT this can take a long time and run out of memory. lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; netbsd* | freebsd* | openbsd* | darwin* | dragonfly*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8 ; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test $i != 17 # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac fi if test -n $lt_cv_sys_max_cmd_len ; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 $as_echo "$lt_cv_sys_max_cmd_len" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 $as_echo "none" >&6; } fi max_cmd_len=$lt_cv_sys_max_cmd_len : ${CP="cp -f"} : ${MV="mv -f"} : ${RM="rm -f"} { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands some XSI constructs" >&5 $as_echo_n "checking whether the shell understands some XSI constructs... " >&6; } # Try some XSI features xsi_shell=no ( _lt_dummy="a/b/c" test "${_lt_dummy##*/},${_lt_dummy%/*},${_lt_dummy#??}"${_lt_dummy%"$_lt_dummy"}, \ = c,a/b,b/c, \ && eval 'test $(( 1 + 1 )) -eq 2 \ && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \ && xsi_shell=yes { $as_echo "$as_me:${as_lineno-$LINENO}: result: $xsi_shell" >&5 $as_echo "$xsi_shell" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands \"+=\"" >&5 $as_echo_n "checking whether the shell understands \"+=\"... " >&6; } lt_shell_append=no ( foo=bar; set foo baz; eval "$1+=\$2" && test "$foo" = barbaz ) \ >/dev/null 2>&1 \ && lt_shell_append=yes { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_shell_append" >&5 $as_echo "$lt_shell_append" >&6; } if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then lt_unset=unset else lt_unset=false fi # test EBCDIC or ASCII case `echo X|tr X '\101'` in A) # ASCII based system # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr lt_SP2NL='tr \040 \012' lt_NL2SP='tr \015\012 \040\040' ;; *) # EBCDIC based system lt_SP2NL='tr \100 \n' lt_NL2SP='tr \r\n \100\100' ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5 $as_echo_n "checking how to convert $build file names to $host format... " >&6; } if ${lt_cv_to_host_file_cmd+:} false; then : $as_echo_n "(cached) " >&6 else case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 ;; esac ;; *-*-cygwin* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_noop ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin ;; esac ;; * ) # unhandled hosts (and "normal" native builds) lt_cv_to_host_file_cmd=func_convert_file_noop ;; esac fi to_host_file_cmd=$lt_cv_to_host_file_cmd { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 $as_echo "$lt_cv_to_host_file_cmd" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 $as_echo_n "checking how to convert $build file names to toolchain format... " >&6; } if ${lt_cv_to_tool_file_cmd+:} false; then : $as_echo_n "(cached) " >&6 else #assume ordinary cross tools, or native build. lt_cv_to_tool_file_cmd=func_convert_file_noop case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 ;; esac ;; esac fi to_tool_file_cmd=$lt_cv_to_tool_file_cmd { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 $as_echo "$lt_cv_to_tool_file_cmd" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 $as_echo_n "checking for $LD option to reload object files... " >&6; } if ${lt_cv_ld_reload_flag+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ld_reload_flag='-r' fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 $as_echo "$lt_cv_ld_reload_flag" >&6; } reload_flag=$lt_cv_ld_reload_flag case $reload_flag in "" | " "*) ;; *) reload_flag=" $reload_flag" ;; esac reload_cmds='$LD$reload_flag -o $output$reload_objs' case $host_os in cygwin* | mingw* | pw32* | cegcc*) if test "$GCC" != yes; then reload_cmds=false fi ;; darwin*) if test "$GCC" = yes; then reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs' else reload_cmds='$LD$reload_flag -o $output$reload_objs' fi ;; esac if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. set dummy ${ac_tool_prefix}objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OBJDUMP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OBJDUMP"; then ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OBJDUMP=$ac_cv_prog_OBJDUMP if test -n "$OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 $as_echo "$OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OBJDUMP"; then ac_ct_OBJDUMP=$OBJDUMP # Extract the first word of "objdump", so it can be a program name with args. set dummy objdump; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_OBJDUMP"; then ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OBJDUMP="objdump" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP if test -n "$ac_ct_OBJDUMP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 $as_echo "$ac_ct_OBJDUMP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_OBJDUMP" = x; then OBJDUMP="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OBJDUMP=$ac_ct_OBJDUMP fi else OBJDUMP="$ac_cv_prog_OBJDUMP" fi test -z "$OBJDUMP" && OBJDUMP=objdump { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 $as_echo_n "checking how to recognize dependent libraries... " >&6; } if ${lt_cv_deplibs_check_method+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_file_magic_cmd='$MAGIC_CMD' lt_cv_file_magic_test_file= lt_cv_deplibs_check_method='unknown' # Need to set the preceding variable on all platforms that support # interlibrary dependencies. # 'none' -- dependencies not supported. # `unknown' -- same as none, but documents that we really don't know. # 'pass_all' -- all dependencies passed with no checks. # 'test_compile' -- check by making test program. # 'file_magic [[regex]]' -- check by looking for files in library path # which responds to the $file_magic_cmd with a given extended regex. # If you have `file' or equivalent on your system and you're not sure # whether `pass_all' will *always* work, you probably want this one. case $host_os in aix[4-9]*) lt_cv_deplibs_check_method=pass_all ;; beos*) lt_cv_deplibs_check_method=pass_all ;; bsdi[45]*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' lt_cv_file_magic_cmd='/usr/bin/file -L' lt_cv_file_magic_test_file=/shlib/libc.so ;; cygwin*) # func_win32_libid is a shell function defined in ltmain.sh lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' ;; mingw* | pw32*) # Base MSYS/MinGW do not provide the 'file' command needed by # func_win32_libid shell function, so use a weaker test based on 'objdump', # unless we find 'file', for example because we are cross-compiling. # func_win32_libid assumes BSD nm, so disallow it if using MS dumpbin. if ( test "$lt_cv_nm_interface" = "BSD nm" && file / ) >/dev/null 2>&1; then lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' else # Keep this pattern in sync with the one in func_win32_libid. lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' lt_cv_file_magic_cmd='$OBJDUMP -f' fi ;; cegcc*) # use the weaker test based on 'objdump'. See mingw*. lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' lt_cv_file_magic_cmd='$OBJDUMP -f' ;; darwin* | rhapsody*) lt_cv_deplibs_check_method=pass_all ;; freebsd* | dragonfly*) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then case $host_cpu in i*86 ) # Not sure whether the presence of OpenBSD here was a mistake. # Let's accept both of them until this is cleared up. lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` ;; esac else lt_cv_deplibs_check_method=pass_all fi ;; gnu*) lt_cv_deplibs_check_method=pass_all ;; haiku*) lt_cv_deplibs_check_method=pass_all ;; hpux10.20* | hpux11*) lt_cv_file_magic_cmd=/usr/bin/file case $host_cpu in ia64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so ;; hppa*64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl ;; *) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[3-9]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu) lt_cv_deplibs_check_method=pass_all ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 $as_echo "$lt_cv_deplibs_check_method" >&6; } file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. set dummy ${ac_tool_prefix}dlltool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DLLTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DLLTOOL"; then ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DLLTOOL=$ac_cv_prog_DLLTOOL if test -n "$DLLTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 $as_echo "$DLLTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DLLTOOL"; then ac_ct_DLLTOOL=$DLLTOOL # Extract the first word of "dlltool", so it can be a program name with args. set dummy dlltool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DLLTOOL"; then ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DLLTOOL="dlltool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL if test -n "$ac_ct_DLLTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 $as_echo "$ac_ct_DLLTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DLLTOOL" = x; then DLLTOOL="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DLLTOOL=$ac_ct_DLLTOOL fi else DLLTOOL="$ac_cv_prog_DLLTOOL" fi test -z "$DLLTOOL" && DLLTOOL=dlltool { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 $as_echo_n "checking how to associate runtime and link libraries... " >&6; } if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | mingw* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh # decide which to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd="$ECHO" ;; esac fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 $as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; } sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO if test -n "$ac_tool_prefix"; then for ac_prog in ar do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_AR+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$AR"; then ac_cv_prog_AR="$AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_AR="$ac_tool_prefix$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi AR=$ac_cv_prog_AR if test -n "$AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 $as_echo "$AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$AR" && break done fi if test -z "$AR"; then ac_ct_AR=$AR for ac_prog in ar do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_AR+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_AR"; then ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_AR="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_AR=$ac_cv_prog_ac_ct_AR if test -n "$ac_ct_AR"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 $as_echo "$ac_ct_AR" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$ac_ct_AR" && break done if test "x$ac_ct_AR" = x; then AR="false" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac AR=$ac_ct_AR fi fi : ${AR=ar} : ${AR_FLAGS=cru} { $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 $as_echo_n "checking for archiver @FILE support... " >&6; } if ${lt_cv_ar_at_file+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ar_at_file=no cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : echo conftest.$ac_objext > conftest.lst lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test "$ac_status" -eq 0; then # Ensure the archiver fails upon bogus file names. rm -f conftest.$ac_objext libconftest.a { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test "$ac_status" -ne 0; then lt_cv_ar_at_file=@ fi fi rm -f conftest.* libconftest.a fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 $as_echo "$lt_cv_ar_at_file" >&6; } if test "x$lt_cv_ar_at_file" = xno; then archiver_list_spec= else archiver_list_spec=$lt_cv_ar_at_file fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. set dummy ${ac_tool_prefix}strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_STRIP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$STRIP"; then ac_cv_prog_STRIP="$STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_STRIP="${ac_tool_prefix}strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi STRIP=$ac_cv_prog_STRIP if test -n "$STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 $as_echo "$STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_STRIP"; then ac_ct_STRIP=$STRIP # Extract the first word of "strip", so it can be a program name with args. set dummy strip; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_STRIP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_STRIP"; then ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_STRIP="strip" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP if test -n "$ac_ct_STRIP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 $as_echo "$ac_ct_STRIP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_STRIP" = x; then STRIP=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac STRIP=$ac_ct_STRIP fi else STRIP="$ac_cv_prog_STRIP" fi test -z "$STRIP" && STRIP=: if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ac_tool_prefix}ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_RANLIB+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$RANLIB"; then ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi RANLIB=$ac_cv_prog_RANLIB if test -n "$RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 $as_echo "$RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_RANLIB"; then ac_ct_RANLIB=$RANLIB # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_RANLIB"; then ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_RANLIB="ranlib" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB if test -n "$ac_ct_RANLIB"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 $as_echo "$ac_ct_RANLIB" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_RANLIB" = x; then RANLIB=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac RANLIB=$ac_ct_RANLIB fi else RANLIB="$ac_cv_prog_RANLIB" fi test -z "$RANLIB" && RANLIB=: # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in openbsd*) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" ;; *) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" fi case $host_os in darwin*) lock_old_archive_extraction=yes ;; *) lock_old_archive_extraction=no ;; esac # If no C compiler was specified, use CC. LTCC=${LTCC-"$CC"} # If no C compiler flags were specified, use CFLAGS. LTCFLAGS=${LTCFLAGS-"$CFLAGS"} # Allow CC to be a program name with arguments. compiler=$CC # Check for command to grab the raw symbol name followed by C symbol from nm. { $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 $as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } if ${lt_cv_sys_global_symbol_pipe+:} false; then : $as_echo_n "(cached) " >&6 else # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[BCDEGRST]' # Regexp to match symbols that can be accessed directly from C. sympat='\([_A-Za-z][_A-Za-z0-9]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[BCDT]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[ABCDGISTW]' ;; hpux*) if test "$host_cpu" = ia64; then symcode='[ABCDEGRST]' fi ;; irix* | nonstopux*) symcode='[BCDEGRST]' ;; osf*) symcode='[BCDEGQRST]' ;; solaris*) symcode='[BDRT]' ;; sco3.2v5*) symcode='[DT]' ;; sysv4.2uw2*) symcode='[DT]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[ABDT]' ;; sysv4) symcode='[DFNSTU]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[ABCDGIRSTW]' ;; esac # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"\2\", (void *) \&\2},/p'" lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \(lib[^ ]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"lib\2\", (void *) \&\2},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function # and D for any global variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK '"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ " {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ " s[1]~/^[@?]/{print s[1], s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then # Now try to grab the symbols. nlist=conftest.nm if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5 (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s conftest${ac_exeext}; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&5 fi else echo "cannot find nm_test_var in $nlist" >&5 fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 fi else echo "$progname: failed program was:" >&5 cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else lt_cv_sys_global_symbol_pipe= fi done fi if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 $as_echo "failed" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 $as_echo "ok" >&6; } fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then nm_file_list_spec='@' fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 $as_echo_n "checking for sysroot... " >&6; } # Check whether --with-sysroot was given. if test "${with_sysroot+set}" = set; then : withval=$with_sysroot; else with_sysroot=no fi lt_sysroot= case ${with_sysroot} in #( yes) if test "$GCC" = yes; then lt_sysroot=`$CC --print-sysroot 2>/dev/null` fi ;; #( /*) lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` ;; #( no|'') ;; #( *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${with_sysroot}" >&5 $as_echo "${with_sysroot}" >&6; } as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 $as_echo "${lt_sysroot:-no}" >&6; } # Check whether --enable-libtool-lock was given. if test "${enable_libtool_lock+set}" = set; then : enableval=$enable_libtool_lock; fi test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes # Some flags need to be propagated to the compiler or linker for good # libtool support. case $host in ia64-*-hpux*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.$ac_objext` in *ELF-32*) HPUX_IA64_MODE="32" ;; *ELF-64*) HPUX_IA64_MODE="64" ;; esac fi rm -rf conftest* ;; *-*-irix6*) # Find out which ABI we are using. echo '#line '$LINENO' "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then if test "$lt_cv_prog_gnu_ld" = yes; then case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -melf32bsmip" ;; *N32*) LD="${LD-ld} -melf32bmipn32" ;; *64-bit*) LD="${LD-ld} -melf64bmip" ;; esac else case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -32" ;; *N32*) LD="${LD-ld} -n32" ;; *64-bit*) LD="${LD-ld} -64" ;; esac fi fi rm -rf conftest* ;; x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \ s390*-*linux*|s390*-*tpf*|sparc*-*linux*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *32-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_i386_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_i386" ;; ppc64-*linux*|powerpc64-*linux*) LD="${LD-ld} -m elf32ppclinux" ;; s390x-*linux*) LD="${LD-ld} -m elf_s390" ;; sparc64-*linux*) LD="${LD-ld} -m elf32_sparc" ;; esac ;; *64-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_x86_64_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_x86_64" ;; ppc*-*linux*|powerpc*-*linux*) LD="${LD-ld} -m elf64ppc" ;; s390*-*linux*|s390*-*tpf*) LD="${LD-ld} -m elf64_s390" ;; sparc*-*linux*) LD="${LD-ld} -m elf64_sparc" ;; esac ;; esac fi rm -rf conftest* ;; *-*-sco3.2v5*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -belf" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 $as_echo_n "checking whether the C compiler needs -belf... " >&6; } if ${lt_cv_cc_needs_belf+:} false; then : $as_echo_n "(cached) " >&6 else ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : lt_cv_cc_needs_belf=yes else lt_cv_cc_needs_belf=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 $as_echo "$lt_cv_cc_needs_belf" >&6; } if test x"$lt_cv_cc_needs_belf" != x"yes"; then # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf CFLAGS="$SAVE_CFLAGS" fi ;; *-*solaris*) # Find out which ABI we are using. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `/usr/bin/file conftest.o` in *64-bit*) case $lt_cv_prog_gnu_ld in yes*) case $host in i?86-*-solaris*) LD="${LD-ld} -m elf_x86_64" ;; sparc*-*-solaris*) LD="${LD-ld} -m elf64_sparc" ;; esac # GNU ld 2.21 introduced _sol2 emulations. Use them if available. if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then LD="${LD-ld}_sol2" fi ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks="$enable_libtool_lock" if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. set dummy ${ac_tool_prefix}mt; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_MANIFEST_TOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$MANIFEST_TOOL"; then ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL if test -n "$MANIFEST_TOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 $as_echo "$MANIFEST_TOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_MANIFEST_TOOL"; then ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL # Extract the first word of "mt", so it can be a program name with args. set dummy mt; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_MANIFEST_TOOL"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL if test -n "$ac_ct_MANIFEST_TOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 $as_echo "$ac_ct_MANIFEST_TOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_MANIFEST_TOOL" = x; then MANIFEST_TOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL fi else MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" fi test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 $as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } if ${lt_cv_path_mainfest_tool+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&5 if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 $as_echo "$lt_cv_path_mainfest_tool" >&6; } if test "x$lt_cv_path_mainfest_tool" != xyes; then MANIFEST_TOOL=: fi case $host_os in rhapsody* | darwin*) if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_DSYMUTIL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$DSYMUTIL"; then ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DSYMUTIL=$ac_cv_prog_DSYMUTIL if test -n "$DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 $as_echo "$DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_DSYMUTIL"; then ac_ct_DSYMUTIL=$DSYMUTIL # Extract the first word of "dsymutil", so it can be a program name with args. set dummy dsymutil; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_DSYMUTIL"; then ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL if test -n "$ac_ct_DSYMUTIL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 $as_echo "$ac_ct_DSYMUTIL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_DSYMUTIL" = x; then DSYMUTIL=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DSYMUTIL=$ac_ct_DSYMUTIL fi else DSYMUTIL="$ac_cv_prog_DSYMUTIL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. set dummy ${ac_tool_prefix}nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_NMEDIT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$NMEDIT"; then ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi NMEDIT=$ac_cv_prog_NMEDIT if test -n "$NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 $as_echo "$NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_NMEDIT"; then ac_ct_NMEDIT=$NMEDIT # Extract the first word of "nmedit", so it can be a program name with args. set dummy nmedit; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_NMEDIT"; then ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_NMEDIT="nmedit" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT if test -n "$ac_ct_NMEDIT"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 $as_echo "$ac_ct_NMEDIT" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_NMEDIT" = x; then NMEDIT=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac NMEDIT=$ac_ct_NMEDIT fi else NMEDIT="$ac_cv_prog_NMEDIT" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. set dummy ${ac_tool_prefix}lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_LIPO+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$LIPO"; then ac_cv_prog_LIPO="$LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_LIPO="${ac_tool_prefix}lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi LIPO=$ac_cv_prog_LIPO if test -n "$LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 $as_echo "$LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_LIPO"; then ac_ct_LIPO=$LIPO # Extract the first word of "lipo", so it can be a program name with args. set dummy lipo; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_ac_ct_LIPO+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$ac_ct_LIPO"; then ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_LIPO="lipo" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO if test -n "$ac_ct_LIPO"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 $as_echo "$ac_ct_LIPO" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "x$ac_ct_LIPO" = x; then LIPO=":" else case $cross_compiling:$ac_tool_warned in yes:) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 $as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac LIPO=$ac_ct_LIPO fi else LIPO="$ac_cv_prog_LIPO" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. set dummy ${ac_tool_prefix}otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_OTOOL+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$OTOOL"; then ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL="${ac_tool_prefix}otool" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL=$ac_cv_prog_OTOOL if test -n "$OTOOL"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 $as_echo "$OTOOL" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL"; then ac_ct_OTOOL=$OTOOL # Extract the first word of "otool", so it can be a program name with args. set dummy otool; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... 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" >&6; } if ${lt_cv_apple_cc_single_mod+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_apple_cc_single_mod=no if test -z "${LT_MULTI_MODULE}"; then # By default we will add the -single_module flag. You can override # by either setting the environment variable LT_MULTI_MODULE # non-empty at configure time, or by adding -multi_module to the # link flags. rm -rf libconftest.dylib* echo "int foo(void){return 1;}" > conftest.c echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ -dynamiclib -Wl,-single_module conftest.c" >&5 $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ -dynamiclib -Wl,-single_module conftest.c 2>conftest.err _lt_result=$? # If there is a non-empty error log, and "single_module" # appears in it, assume the flag caused a linker warning if test -s conftest.err && $GREP single_module conftest.err; then cat conftest.err >&5 # Otherwise, if the output was created with a 0 exit code from # the compiler, it worked. elif test -f libconftest.dylib && test $_lt_result -eq 0; then lt_cv_apple_cc_single_mod=yes else cat conftest.err >&5 fi rm -rf libconftest.dylib* rm -f conftest.* fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5 $as_echo "$lt_cv_apple_cc_single_mod" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5 $as_echo_n "checking for -exported_symbols_list linker flag... 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" >&6; } if ${lt_cv_ld_force_load+:} false; then : $as_echo_n "(cached) " >&6 else lt_cv_ld_force_load=no cat > conftest.c << _LT_EOF int forced_loaded() { return 2;} _LT_EOF echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5 $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5 echo "$AR cru libconftest.a conftest.o" >&5 $AR cru libconftest.a conftest.o 2>&5 echo "$RANLIB libconftest.a" >&5 $RANLIB libconftest.a 2>&5 cat > conftest.c << _LT_EOF int main() { return 0;} _LT_EOF echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5 $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err _lt_result=$? if test -s conftest.err && $GREP force_load conftest.err; then cat conftest.err >&5 elif test -f conftest && test $_lt_result -eq 0 && $GREP forced_load conftest >/dev/null 2>&1 ; then lt_cv_ld_force_load=yes else cat conftest.err >&5 fi rm -f conftest.err libconftest.a conftest conftest.c rm -rf conftest.dSYM fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5 $as_echo "$lt_cv_ld_force_load" >&6; } case $host_os in rhapsody* | darwin1.[012]) _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;; darwin1.*) _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;; darwin*) # darwin 5.x on # if running on 10.5 or later, the deployment target defaults # to the OS version, if on x86, and 10.4, the deployment # target defaults to 10.4. 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Now check whether nonexistent headers # can be detected and how. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include _ACEOF if ac_fn_c_try_cpp "$LINENO"; then : # Broken: success on invalid input. continue else # Passes both tests. ac_preproc_ok=: break fi rm -f conftest.err conftest.i conftest.$ac_ext done # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. rm -f conftest.i conftest.err conftest.$ac_ext if $ac_preproc_ok; then : break fi done ac_cv_prog_CPP=$CPP fi CPP=$ac_cv_prog_CPP else ac_cv_prog_CPP=$CPP fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 $as_echo "$CPP" >&6; } ac_preproc_ok=false for ac_c_preproc_warn_flag in '' yes do # Use a header file that comes with gcc, so configuring glibc # with a fresh cross-compiler works. # Prefer to if __STDC__ is defined, since # exists even on freestanding compilers. # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #ifdef __STDC__ # include #else # include #endif Syntax error _ACEOF if ac_fn_c_try_cpp "$LINENO"; then : else # Broken: fails on valid input. continue fi rm -f conftest.err conftest.i conftest.$ac_ext # OK, works on sane cases. 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*) archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='${wl}-rpath,$libdir' ;; esac fi else ld_shlibs=no fi ;; os2*) hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes allow_undefined_flag=unsupported archive_cmds='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' ;; osf3*) if test "$GCC" = yes; then allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test "$GCC" = yes; then allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' archive_cmds='$CC -shared${allow_undefined_flag} $pic_flag $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly hardcode_libdir_flag_spec='-rpath $libdir' fi archive_cmds_need_lc='no' hardcode_libdir_separator=: ;; solaris*) no_undefined_flag=' -z defs' if test "$GCC" = yes; then wlarc='${wl}' archive_cmds='$CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='${wl}' archive_cmds='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi hardcode_libdir_flag_spec='-R$libdir' hardcode_shlibpath_var=no case $host_os in solaris2.[0-5] | solaris2.[0-5].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands `-z linker_flag'. GCC discards it without `$wl', # but is careful enough not to reorder. # Supported since Solaris 2.6 (maybe 2.5.1?) if test "$GCC" = yes; then whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' else whole_archive_flag_spec='-z allextract$convenience -z defaultextract' fi ;; esac link_all_deplibs=yes ;; sunos4*) if test "x$host_vendor" = xsequent; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi hardcode_libdir_flag_spec='-L$libdir' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; sysv4) case $host_vendor in sni) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes # is this really true??? ;; siemens) ## LD is ld it makes a PLAMLIB ## CC just makes a GrossModule. archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' reload_cmds='$CC -r -o $output$reload_objs' hardcode_direct=no ;; motorola) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=no #Motorola manual says yes, but my tests say they lie ;; esac runpath_var='LD_RUN_PATH' hardcode_shlibpath_var=no ;; sysv4.3*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no export_dynamic_flag_spec='-Bexport' ;; sysv4*MP*) if test -d /usr/nec; then archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes ld_shlibs=yes fi ;; sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) no_undefined_flag='${wl}-z,text' archive_cmds_need_lc=no hardcode_shlibpath_var=no runpath_var='LD_RUN_PATH' if test "$GCC" = yes; then archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; sysv5* | sco3.2v5* | sco5v6*) # Note: We can NOT use -z defs as we might desire, because we do not # link with -lc, and that would cause any symbols used from libc to # always be unresolved, which means just about no library would # ever link correctly. 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The import file would start with # the line `#! .'. This would cause the generated library to # depend on `.', always an invalid library. This was fixed in # development snapshots of GCC prior to 3.0. case $host_os in aix4 | aix4.[01] | aix4.[01].*) if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' echo ' yes ' echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then : else can_build_shared=no fi ;; esac # AIX (on Power*) has no versioning support, so currently we can not hardcode correct # soname into executable. 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do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' ;; esac ;; beos*) library_names_spec='${libname}${shared_ext}' dynamic_linker="$host_os ld.so" shlibpath_var=LIBRARY_PATH ;; bsdi[45]*) version_type=linux # correct to gnu/linux during the next big refactor need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" # the default ld.so.conf also contains /usr/contrib/lib and # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow # libtool to hard-code these into programs ;; 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then sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" else sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" fi sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; hppa*64*) shrext_cmds='.sl' hardcode_into_libs=yes dynamic_linker="$host_os dld.sl" shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; *) shrext_cmds='.sl' dynamic_linker="$host_os dld.sl" shlibpath_var=SHLIB_PATH shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' ;; esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[3-9]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test "$lt_cv_prog_gnu_ld" = yes; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH if ${lt_cv_shlibpath_overrides_runpath+:} false; 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sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) version_type=freebsd-elf need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes if test "$with_gnu_ld" = yes; then sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' else sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' case $host_os in sco3.2v5*) sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" ;; esac fi sys_lib_dlsearch_path_spec='/usr/lib' ;; tpf*) # TPF is a cross-target only. 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" >&6; } if ${ac_cv_lib_dl_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char dlopen (); int main () { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_dl_dlopen=yes else ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 $as_echo "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes; then : lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 $as_echo_n "checking for dlopen in -lsvld... " >&6; } if ${ac_cv_lib_svld_dlopen+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lsvld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. 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AC_CHECK_LIB([dl], [dlopen]) AC_CHECK_LIB([crypto], [EVP_EncryptInit], [add_cryptcab_support=yes], [add_cryptcab_support=no ; warn_cryptcab=yes]) AC_CHECK_LIB([pthread], [pthread_create], [enable_router=yes], [enable_router=no ; warn_router=yes]) AC_CHECK_LIB([pcap], [pcap_open_dead], [add_pcap=yes], [add_pcap=no ; warn_pcap=yes]) # Checks for header files. AC_HEADER_STDC AC_HEADER_SYS_WAIT AC_CHECK_HEADERS([arpa/inet.h fcntl.h netdb.h netinet/in.h stddef.h stdint.h \ stdlib.h string.h strings.h sys/ioctl.h sys/param.h sys/socket.h \ sys/time.h syslog.h termio.h termios.h unistd.h sys/filio.h sys/bitypes.h \ sys/wait.h sys/select.h sys/signal.h sys/stropts.h termios.h sys/type32.h]) AC_CHECK_HEADERS([syslimits.h sys/syslimits.h]) AC_CHECK_HEADERS([openssl/blowfish.h], [], [add_cryptcab_support=no ; warn_cryptcab=yes]) AC_CHECK_HEADERS([sysexits.h], [add_over_ns_support=yes], [add_over_ns_support=no ; warn_over_ns=yes]) # Checks for typedefs, structures, and compiler characteristics. AC_C_CONST AC_C_INLINE AC_C_BIGENDIAN AC_C_PROTOTYPES AC_TYPE_MODE_T AC_TYPE_PID_T AC_TYPE_SIZE_T AC_HEADER_TIME # Checks for library functions. AC_FUNC_CHOWN AC_FUNC_FORK AC_PROG_GCC_TRADITIONAL AC_FUNC_MALLOC AC_FUNC_MEMCMP AC_FUNC_REALLOC AC_FUNC_SELECT_ARGTYPES AC_FUNC_VPRINTF AC_CHECK_FUNCS([atexit dup2 gethostbyname gethostname gettimeofday inet_ntoa \ memmove memset putenv select setenv socket strchr strdup strerror strstr \ uname inet_aton sprintf readv random srandom index bcmp drand48 memmove \ gethostid revoke fchmod getopt_long_only funopen]) AC_REPLACE_FUNCS([open_memstream strndup]) AC_CHECK_FUNC([poll], [ AC_MSG_CHECKING([for poll sanity]) if expr "$build_os" : "darwin*" > /dev/null; then AC_MSG_RESULT([present but broken, emulating with select]) AC_LIBOBJ([poll]) AC_DEFINE([poll], [vde_poll], [Define to vde_poll if the replacement function should be used.]) else AC_DEFINE([HAVE_POLL], 1, [Define to 1 if your system has a working poll() function.]) AC_MSG_RESULT([yes]) fi ], []) # All other nice checks I have to make for recostructing missing parts of # slirp's config.h file AC_CHECK_SIZEOF(char) AC_CHECK_SIZEOF(short) AC_CHECK_SIZEOF(int) AC_CHECK_SIZEOF(char *) # Define VDE_LINUX or VDE_DARWIN case "$build_os" in linux*) if expr "$host_os" : ".*android" > /dev/null; then AC_DEFINE([VDE_BIONIC], 1, [If defined, this is a Linux/bionic system]) else AC_DEFINE([VDE_LINUX], 1, [If defined, this is a Linux system]) fi ;; darwin*) AC_DEFINE([VDE_DARWIN], 1, [If defined, this is a Darwin system]) darwin_gcc=yes ;; freebsd*) AC_DEFINE([VDE_FREEBSD], 1, [If defined, this is a FreeBSD system]) ;; *) AC_MSG_ERROR([Unsupported OS: $build_os. At the moment, only Linux, Darwin and FreeBSD are supported. Contributions are appreciated! :-)]) ;; esac # Enable profiling options AC_ARG_ENABLE([profile], AS_HELP_STRING([--enable-profile], [Compile with debugging/profiling options]), [if test $enableval = "yes"; then enable_profile=yes; fi]) # Enable experimental features AC_ARG_ENABLE([experimental], AS_HELP_STRING([--enable-experimental], [Enable experimental features (async notifies, plugin support, packet counter)]), [if test $enableval = "yes"; then enable_experimental=yes; fi]) # Disable vde_cryptcab? (depends on ssl, maybe unwanted) AC_ARG_ENABLE([cryptcab], AS_HELP_STRING([--disable-cryptcab], [Disable libcrypto-dependend vde_cryptcab compilation]), [if test $enableval = "no" ; then add_cryptcab_support=no ; warn_cryptcab=no ; fi]) # Disable vde_over_ns? (not working on android, maybe unwanted) AC_ARG_ENABLE([vde_over_ns], AS_HELP_STRING([--disable-vde_over_ns], [Disable vde_over_ns compilation]), [if test $enableval = "no" ; then add_over_ns_support=no ; warn_over_ns=no ; fi]) # Disable vde_router? (depends on lpthread, maybe unwanted) AC_ARG_ENABLE([router], AS_HELP_STRING([--disable-router], [Disable libpthread-dependent vde_router compilation]), [if test $enableval = "no" ; then enable_router=no ; warn_router=no ; fi]) enable_vxlan=yes # Disable vde_vxlan? AC_ARG_ENABLE([vxlan], AS_HELP_STRING([--disable-vxlan], [Disable vde_vxlan compilation]), [if test $enableval = "no" ; then enable_vxlan=no ; warn_vxlan=no ; fi]) # Check of tuntap device AC_ARG_ENABLE([tuntap], AS_HELP_STRING([--disable-tuntap], [Disable tuntap compilation]), [:], [case "$build_os" in linux*) AC_CHECK_HEADER([linux/if_tun.h], [AC_DEFINE([HAVE_TUNTAP], 1, [If defined, tuntap support is compiled in])], [warn_tuntap=yes]) can_make_libvdetap=yes can_make_vdetunctl=yes ;; darwin*) # I don't use AC_CHECK_FILES because I need test -e and not test -r for i in /dev/tap0 /Library/Extensions/tap.kext ; do AC_MSG_CHECKING([for $i]) if test -e "$i" ; then AC_MSG_RESULT([yes]) definename="`echo "$i" | tr "a-z*" "A-ZP" | tr -c "0-9A-Z" "_"`" AC_DEFINE_UNQUOTED([HAVE_$definename]) eval HAVE_$definename=yes else AC_MSG_RESULT([no]) warn_tuntap=yes fi done if test "$HAVE__DEV_TAP0_" ; then AC_DEFINE([HAVE_TUNTAP], 1, [If defined, tuntap support is compiled in]) if ! test "$HAVE__LIBRARY_EXTENSIONS_TAP_KEXT_" || "$HAVE__SYSTEM_LIBRARY_EXTENSIONS_TAP_KEXT_" ; then AC_MSG_WARN([/dev/tap0 exists, but the kext cannot be found. Let's hope your configuration does work...]) fi else warn_tuntap=yes AC_MSG_WARN([You do not have tuntap support. You can get it here: http://tuntaposx.sourceforge.net/]) fi ;; freebsd*) AC_CHECK_HEADER([net/if_tun.h], [AC_DEFINE([HAVE_TUNTAP], 1, [If defined, tuntap support is compiled in])], [warn_tuntap=yes]) ;; esac]) # Disable pcap support (pdump)? (depends on libpcap, maybe unwanted) AC_ARG_ENABLE([pcap], AS_HELP_STRING([--disable-pcap], [Disable pcap support (pdump plugin)]), [if test $enableval = "no" ; then add_pcap=no ; warn_pcap=no ; fi]) AC_ARG_ENABLE([kernel-switch], AS_HELP_STRING([--enable-kernel-switch], [Compile support for in-kernel switch. ]), [if test $enableval = "yes"; then enable_kernel_switch=yes AC_DEFINE([USE_IPN], 1, [If defined, enable support for IPN socket]) fi]) # python bindings AC_ARG_ENABLE([python], AS_HELP_STRING([--disable-python], [Disable python bindings]), [enable_python=$enableval], [enable_python=yes] ) if test x"$enable_python" = x"yes"; then # check python AM_PATH_PYTHON([2.5]) AC_PATH_PROG(PYTHON_CONFIG, python$PYTHON_VERSION-config) if test x"$PYTHON_CONFIG" = x""; then AC_PATH_PROG(PYTHON_CONFIG, python-config) fi if test x"$PYTHON_CONFIG" = x""; then # not found, give up enable_python=no else PYTHON_CFLAGS=`$PYTHON_CONFIG --includes` PYTHON_LIBS=`$PYTHON_CONFIG --libs` PYTHON_INCLUDES="$PYTHON_CFLAGS" fi AC_SUBST(PYTHON_CFLAGS) AC_SUBST(PYTHON_INCLUDES) AC_SUBST(PYTHON_LIBS) fi AM_CONDITIONAL(ENABLE_CRYPTCAB, test "$add_cryptcab_support" = yes) AM_CONDITIONAL(ENABLE_VDE_OVER_NS, test "$add_over_ns_support" = yes) AM_CONDITIONAL(ENABLE_ROUTER, test "$enable_router" = yes) AM_CONDITIONAL(ENABLE_VXLAN, test "$enable_vxlan" = yes) AM_CONDITIONAL(ENABLE_PYTHON, test "$enable_python" = yes) AM_CONDITIONAL(ENABLE_PCAP, test "$add_pcap" = yes) AM_CONDITIONAL(CAN_MAKE_LIBVDETAP, test "$can_make_libvdetap" = yes) AM_CONDITIONAL(CAN_MAKE_VDETUNCTL, test "$can_make_vdetunctl" = yes) AM_CONDITIONAL(ENABLE_EXPERIMENTAL, test "$enable_experimental" = yes) AM_CONDITIONAL(ENABLE_PROFILE, test "$enable_profile" = yes) AM_CONDITIONAL(DARWIN_GCC, test "$darwin_gcc" = yes) AM_CONDITIONAL(ENABLE_KERNEL_SWITCH, test "$enable_kernel_switch" = yes) CFLAGS="-Wall -O2 $CFLAGS" AC_SUBST(CFLAGS) AC_CONFIG_FILES( [Makefile] [doc/Makefile] [include/Makefile] [man/Makefile] [src/Makefile] [src/lib/Makefile] [src/lib/vdesnmp.pc] [src/lib/vdemgmt.pc] [src/lib/vdeplug.pc] [src/lib/vdehist.pc] [src/lib/python/Makefile] [src/vde_switch/Makefile] [src/kvde_switch/Makefile] [src/vde_over_ns/Makefile] [src/common/Makefile] [src/vdetaplib/Makefile] [src/vde_l3/Makefile] [src/vde_cryptcab/Makefile] [src/vde_router/Makefile] [src/vde_vxlan/Makefile] [src/slirpvde/Makefile] [src/vde_switch/plugins/Makefile] ) AC_OUTPUT AS_ECHO AS_ECHO AS_ECHO "Configure results:" AS_ECHO if test x$add_cryptcab_support = "xyes" ; then AS_ECHO " + VDE CryptCab............ enabled" else AS_ECHO " - VDE CryptCab............ disabled" fi if test x$enable_router = "xyes" ; then AS_ECHO " + VDE Router.............. enabled" else AS_ECHO " - VDE Router.............. disabled" fi if test x$enable_vxlan = "xyes" ; then AS_ECHO " + VDE VXLAN............... enabled" else AS_ECHO " - VDE VXLAN............... disabled" fi if test x$enable_python = "xyes" ; then AS_ECHO " + Python Libraries........ enabled" else AS_ECHO " - Python Libraries........ disabled" fi if test x$warn_tuntap = "xyes" ; then AS_ECHO " - TAP support............. disabled" else AS_ECHO " + TAP support............. enabled" fi if test x$add_pcap = "xyes" ; then AS_ECHO " + pcap support............ enabled" else AS_ECHO " - pcap support............ disabled" fi if test x$enable_experimental = "xyes" ; then AS_ECHO " + Experimental features... enabled" else AS_ECHO " - Experimental features... disabled" fi if test x$enable_profile = "xyes" ; then AS_ECHO " + Profiling options....... enabled" else AS_ECHO " - Profiling options....... disabled" fi if test x$enable_kernel_switch = "xyes" ; then AS_ECHO " + Kernel switch........... enabled" else AS_ECHO " - Kernel switch........... disabled" fi AS_ECHO AS_ECHO if ! test x$add_cryptcab_support = "xyes" ; then if test x$warn_cryptcab = "xyes" ; then AC_MSG_WARN([VDE CryptCab support has been disabled because libcrypto is not installed on your system, or because openssl/blowfish.h could not be found. Please install them if you want CryptCab to be compiled and installed.]) AS_ECHO fi fi if ! test x$add_over_ns_support = "xyes" ; then if test x$warn_over_ns = "xyes" ; then AC_MSG_WARN([VDE vde_over_ns support has been disabled because your libc sysexits.h could not be found.]) AS_ECHO fi fi if ! test x$enable_router = "xyes" ; then if test x$warn_router = "xyes" ; then AC_MSG_WARN([VDE Router support has been disabled because libpthread is not installed on your system.]) AS_ECHO fi fi if ! test x$enable_vxlan = "xyes" ; then if test x$warn_vxlan = "xyes" ; then AC_MSG_WARN([VDE VXLAN support has been disabled.]) AS_ECHO fi fi if ! test x$enable_python = "xyes" ; then AC_MSG_WARN([Python libraries support has been disabled because python is not installed on your system, or because it could not be found. Please install it if you want Python libraries to be compiled and installed.]) AS_ECHO fi if ! test x$add_pcap = "xyes" ; then if test x$warn_pcap = "xyes" ; then AC_MSG_WARN([VDE vde_pcapplug and packet dump plugin have been disabled because libpcap is not installed on your system, or because it is too old. Please install it if you want vde_pcapplug and pdump to be compiled and installed.]) AS_ECHO fi fi AS_ECHO AS_ECHO "Type 'make' to compile $PACKAGE $VERSION," AS_ECHO "or type 'make V=1' for verbose compiling" AS_ECHO "and then type 'make install' to install it into $prefix" AS_ECHO vde2-2.3.2+r586/debian/0000755000000000000000000000000014152703567011200 5ustar vde2-2.3.2+r586/debian/README.Debian0000644000000000000000000001766113614540533013246 0ustar VDE for Debian ############## ifupdown usage ============== The Debian package provides an extension for ``iface`` sections in ``/etc/network/interfaces`` file: vde2-switch - | Start TAP interface with ``vde_switch`` command which has control directory ``/var/run/vde/$IFACE.ctl``. The control directory is writable by vde2-net group. The additional parameters might be --macaddr MAC for switch MAC address or other parameters. See ``vde_switch --help`` or vde_switch(1) for further information. When using the ``manual`` method of ifupdown no further setup is made, thus it is possible to connect only the unix socket, e.g.:: auto vde0 iface vde0 inet manual vde2-switch - starts a ``vde_switch`` on virtual interface ``vde0`` (not TAP!) at every boot, see ifup(8). In this case ``vde0`` is used only for future reference, for example management socket can be accessed from ``/var/run/vde2/vde0.mgmt`` It might be also convenient to attach a ``vde_switch`` to a TAP on boot to use for bridging, in this case you should specify the TAP interface because ``manual`` method does no setup:: auto qemu iface qemu inet manual vde2-switch -t qemu vde2-slirp - | Start slirp interface connected to the VDE switch with ``slirpvde`` command. The additional parameter might be -dhcp for DHCP server or -netaddr to specify the network address (default 10.0.2.0). See ``slirpvde --help`` for description. Please note that slirp is a virtual router for VDE, it is commonly used as a mean to connect the virtual network to the outside world. Slirp does not require root access, kernel ip forwarding or iptables configuration. TAP however requires root access, providing any kind of routing like a real interface and it is also faster. Do not use TAP and slirp together in the same VDE LAN unless you know exactly what you are doing. If you set up a slirp with DHCP on a TAP and you autoconfigure the interface it will become the default route for the entire system. vde2-plug Start ``dpipe`` connecting a ``vde_plug`` with the given ``dpipe_arg2`` as the second argument after =. See ``dpipe`` man page for further details. For example it is possible to connect two local plugs:: vde2-plug vde_plug /tmp/vde2.ctl connects the ``vde_switch`` controlling the stanza's TAP interface to another local ``vde_switch`` running at ``/tmp/vde2.ctl``. It is also possible to connect to a remote plug:: vde2-plug ssh remote.machine.org vde_plug /var/run/vde2/tap0.ctl connects the given TAP interface to remote ``vde_switch`` using ssh to encrypt the traffic. Commandline usage ================= The encrypted tunnel -------------------- The VDE is the simplest VPN solution. On local system:: iface tap0 inet static address 10.0.2.2 netmask 255.255.255.0 vde2-switch - vde2-plug ssh user@remote.machine.org vde_plug /var/run/vde2/tap0.ctl On remote system:: iface tap0 inet static address 10.0.2.1 netmask 255.255.255.0 vde2-switch - If ``vde2-slirp`` option is used, the connection works without NAT. The VDE can be also started with non-root privileges on the remote machine. On local system:: iface tap0 inet dhcp vde2-switch - pre-up ssh user@remote.machine.org vde_switch -s /tmp/vde.ctl -p /tmp/vde_switch.pid -d pre-up sleep 1 pre-up ssh user@remote.machine.org slirpvde -D -s /tmp/vde.ctl -p /tmp/slirpvde.pid -d vde2-plug ssh user@remote.machine.org vde_plug /tmp/vde.ctl post-down ssh user@remote.machine.org 'test -f /tmp/vde_switch.pid && kill `cat /tmp/vde_switch.pid` || true' post-down ssh user@remote.machine.org 'test -f /tmp/slirpvde.pid && kill `cat /tmp/slirpvde.pid` || true' post-down ssh user@remote.machine.org rm -f /tmp/vde_switch.pid /tmp/slirpvde.pid QEMU usage ---------- The VDE is very useful for connecting the QEMU virtual machines. In the first example we use VDE as a standard VLAN connected to a tap interface. Enabling the VDE networking using tap. 1. Configure tap0:: auto tap0 iface tap0 inet static address 10.0.3.1 netmask 255.255.255.0 vde2-switch - 2. Start the interface:: # ifup tap0 3. Add the user to vde2-net group:: # adduser user vde2-net 3. Start the QEMUs with different MAC addresses:: $ vdeq qemu -m 660 -net nic,vlan=1,macaddr=52:54:00:12:01:00 \ -net vde,vlan=1,sock=/var/run/vde2/tap0.ctl \ -boot c -hda Debian1.img $ vdeq qemu -m 660 -net nic,vlan=1,macaddr=52:54:00:12:02:00 \ -net vde,vlan=1,sock=/var/run/vde2/tap0.ctl \ -boot c -hda Debian2.img 4. Configure the network inside QEMUs' virtual systems:: debian1# cat > /etc/network/interfaces << END auto lo auto eth0 iface eth0 inet static address 10.0.3.101 netmask 255.255.255.0 broadcast 10.0.3.255 END debian2# cat > /etc/network/interfaces << END auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 10.0.3.102 netmask 255.255.255.0 broadcast 10.0.3.255 END 5. Check if the systems are available:: # ping 10.0.3.101 # ping 10.0.3.102 6. Configure the routing/masquerading/bridging on the host computer for ``tap0`` as you do on any other interface. QEMU-Slirp ---------- 1. Configure vde0:: auto vde0 iface vde0 inet manual vde2-switch - vde2-slirp -dhcp 2. Start the interface:: # ifup vde0 3. Add the user to vde2-net group:: # adduser vde2-net 4. Start the QEMUs with different MAC addresses:: $ vdeq qemu -m 660 -net nic,vlan=1,macaddr=52:54:00:12:01:00 \ -net vde,vlan=1,sock=/var/run/vde2/vde0.ctl \ -boot c -hda Debian1.img $ vdeq qemu -m 660 -net nic,vlan=1,macaddr=52:54:00:12:02:00 \ -net vde,vlan=1,sock=/var/run/vde2/vde0.ctl \ -boot c -hda Debian2.img 5. Configure the network inside QEMUs' virtual systems:: debian1# cat > /etc/network/interfaces << END auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp END debian2# cat > /etc/network/interfaces << END auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp END 6. Check if the systems can reach their default route:: debian1# ping 10.0.2.2 debian2# ping 10.0.2.2 7. Try a service on a remote system:: debian1# ssh your.main.server The virtual system are on the same network but they are on a masqueraded network. You can also start the VDE networking without root privileges:: $ vde_switch -s /tmp/vde1.ctl -d $ vdeq qemu -net nic,vlan=1,macaddr=52:54:00:12:01:00 \ -net vde,vlan=1,sock=/tmp/vde1.ctl \ -boot c -hda Debian1.img $ vdeq qemu -net nic,vlan=1,macaddr=52:54:00:12:02:00 \ -net vde,vlan=1,sock=/tmp/vde1.ctl \ -boot c -hda Debian2.img In this case the networking is available only inside virtual machines. It is possible to start a slirpvde server before the Qemu machines:: $ vde_switch -s /tmp/vde1.ctl -d $ nohup slirpvde -s /tmp/vde1.ctl -dhcp & $ vdeq qemu -net nic,vlan=1,macaddr=52:54:00:12:01:00 \ -net vde,vlan=1,sock=/tmp/vde1.ctl \ -boot c -hda Debian1.img $ vdeq qemu -net nic,vlan=1,macaddr=52:54:00:12:02:00 \ -net vde,vlan=1,sock=/tmp/vde1.ctl \ -boot c -hda Debian2.img These machines can auto-configure their interfaces using the dhcp server on slirpvde and have access to the "outside world". Slirp emulates a masqueraded subnetwork: TCP-IP client programs work transparently while port forwarding is needed for server access (see slirpvde man page for further details). Management console ------------------ You can connect to remote console with unixterm command:: $ unixterm /var/run/vde2/tap0.mgmt where ``tap0`` is the name of the interface. Authors ------- * Piotr Roszatycki Thu, 14 Dec 2006 10:22:19 +0100 * Renzo Davoli Fri Apr 20 2007 19:33:27 +0200 vde2-2.3.2+r586/debian/README.source0000644000000000000000000000037213614540533013353 0ustar This package uses quilt to manage the Debian-specific patches to the VDE source code. See /usr/share/doc/quilt/README.source to get more information about how it works. -- Ludovico Gardenghi Mon, 16 Jan 2012 13:52:57 +0100 vde2-2.3.2+r586/debian/changelog0000644000000000000000000002667314152703567013070 0ustar vde2 (2.3.2+r586-8) unstable; urgency=medium * do not generate vdeplug, libvdeplug* packages (Closes: #1000798) vdeplug4 provides new versions of these packages -- Renzo Davoli Sat, 04 Dec 2021 16:21:27 +0100 vde2 (2.3.2+r586-7) unstable; urgency=medium * d/control: Fix Breaks and Replaces again (Closes: #971972) -- Andrea Capriotti Thu, 15 Oct 2020 22:08:26 +0200 vde2 (2.3.2+r586-6) unstable; urgency=medium * d/control: Fix missing Breaks and Replaces (Closes: #971972) * d/control: Suggest qemu-system instead of qemu (Closes: #966255) * d/control: Fix short description (Closes: #972002) -- Andrea Capriotti Tue, 13 Oct 2020 14:09:22 +0200 vde2 (2.3.2+r586-5) unstable; urgency=medium * d/copyright: Fix missing copyright attributions (Closes: #962492) -- Andrea Capriotti Fri, 17 Jul 2020 19:16:24 +0200 vde2 (2.3.2+r586-4) unstable; urgency=medium * Bump debhelper's compat level to 10. (Closes: #965872) * Bump Standards-Version to 4.4.1. * Add Andrea Capriotti as Uploader. * Add Vcs-Git and Vcs-Browser. -- Andrea Capriotti Sun, 29 Dec 2019 15:57:07 +0100 vde2 (2.3.2+r586-3) unstable; urgency=medium * Split binary packages for vdeplug4 migration. vdeplug4 is going to provide a new codebase for vde_plug and dpipe, a complete rewrite of vde_switch and wirefilter is ongoing. The new tools are backwards compatible with vde2. A splitting of the binary packages is needed so that the tools can be upgraded one by one. Packages with the same name, higher version, will override those provided by vde2. In the new codebase each tool is provided by a different upstream repository. More info on the new vde architecture: https://frama.link/-ckvuxxq -- Renzo Davoli Sat, 23 Nov 2019 10:50:59 +0100 vde2 (2.3.2+r586-2.2) unstable; urgency=medium * Maintainers' mailing list address updated (Closes: 899726) -- Renzo Davoli Sat, 05 Jan 2019 15:44:02 +0100 vde2 (2.3.2+r586-2.1) unstable; urgency=medium * Non-maintainer upload. * Fix FTBFS with OpenSSL 1.1, patch by Sebastian Andrzej Siewior (Closes: #836419). * Add explicit debian/source/format. -- Andrey Rahmatullin Sat, 10 Dec 2016 20:23:13 +0500 vde2 (2.3.2+r586-2) unstable; urgency=medium * Really fix FTBFS on hurd-any (previous patch applied to configure, but since 2.3.2+r586-1 we also started running autoreconf during build). Thanks again Gabriele! (Closes: #745430) -- Ludovico Gardenghi Sun, 02 Nov 2014 14:26:07 +0100 vde2 (2.3.2+r586-1) unstable; urgency=medium * No new upstream version, packaging latest SVN revision. * Accept all NMU patches. Thank you Hector! * Fix segfault due to race condition in hash.c. Thank you Bas van Sisseren for the patch! (Closes: #764476) * Fix vdeterm not correctly restoring terminal when exiting on error. Thank you Serge Hallyn for the patch! (Closes: #682759) * Fix FTBFS on hurd-any. Thanks Gabriele Giacone <1o5g4r8o@gmail.com> for the patch! (Closes: #745430) -- Ludovico Gardenghi Sun, 12 Oct 2014 23:32:56 +0200 vde2 (2.3.2-4.2) unstable; urgency=medium * Non-maintainer upload. * Fix FTBFS on kfreebsd, regression due to autoreconf run. -- Hector Oron Thu, 18 Sep 2014 15:50:13 +0000 vde2 (2.3.2-4.1) unstable; urgency=medium * Non-maintainer upload. * Fix FTBFS on new arches: - d/control: depend on dh-autoreconf - d/rules: add autoreconf cdbs rule. (Closes: #735390) -- Hector Oron Wed, 17 Sep 2014 17:55:25 +0000 vde2 (2.3.2-4) unstable; urgency=high * Add missing Depends on libvde0 in package libvde-dev -- Ludovico Gardenghi Sat, 04 Feb 2012 15:56:58 +0100 vde2 (2.3.2-3) unstable; urgency=high * Add Provides: libvdeplug2-dev to libvdeplug-dev entry, to help smoother transitions to testing (Closes: #658082) -- Ludovico Gardenghi Tue, 31 Jan 2012 11:49:52 +0100 vde2 (2.3.2-2) unstable; urgency=low * Add patch debian/patches/compile_with_kfreebsd.patch: allow compilation with kFreeBSD (as for FreeBSD, this removes almost all TUN/TAP support) - Move TUN/TAP specific files out of *.install files and install them with dh_install calls in debain/rules * Put all the copyright files in a single debian/copyright (as suggested by Jonathan Nieder ) - Remove the corresponding lintian override -- Ludovico Gardenghi Fri, 20 Jan 2012 19:17:30 +0100 vde2 (2.3.2-1) unstable; urgency=low * New upstream version * Remove Piotr Roszatycki from Uploaders (Closes: #636745) * Suggest qemu-kvm instead of dummy transitional package kvm (Closes: #646627) * Add major version in dlopen in libvdeplug_dyn.h to avoid binary dependency on -dev package (for additional explanations see the header file itself) Patch file: debian/patches/libvdeplug_dyn_versioned_dlopen.patch * Add patch for fixing missing format string in fprintf() and syslog() calls. Patch file: debian/patches/printf_add_format_string.patch * Add patch for fixing "wrong" SONAME for libraries. -version-number had been used instead of version-info, this gave incorrect SONAMEs and broke compatibility between this version and the previous ones (althought there is no actual ABI incompatibility). Patch file: debian/patches/fix_soname_version_info.patch - reset libvdeplug name to libvdeplug2 (w.r.t 2.3.1-1) (Closes: #610933) * Move /usr/lib/libvdetap.a to -dev package * Update Standards-Version to 3.9.2: nothing to do * Switch to CDBS and quilt * Remove useless .dirs files -- Ludovico Gardenghi Thu, 19 Jan 2012 11:35:11 +0100 vde2 (2.3.1-1) experimental; urgency=low * New upstream version - bump libvdeplug soname - ship updated version of slirp (Closes: #460734, #572261) * Remove debian/patches/dont_use_installpath, use ./configure --sysconfdir and --localstate dir instead * Drop soname from libvdeplug3-dev, easier for package build-depending on the library * Fix "Timing issue in /etc/network/if-pre-up.d/vde2" by calling vde_tunctl in ifupdown hooks (Closes: #568363) * Update standards-version to 3.9.1: stop shipping .la files -- Filippo Giunchedi Sun, 05 Sep 2010 16:20:43 +0100 vde2 (2.2.3-3) unstable; urgency=low * Add "vde2." prefix to configuration files for vde2 package. * Move "usr/etc" in "etc" after make install as a workaround for bad usage of INSTALLPATH. * Install config files for vdecmd and libvdemgmt. * Install pkg-config files. * Install vde_tunctl (Closes: #545266). -- Luca Bigliardi Sun, 06 Sep 2009 16:18:26 +0100 vde2 (2.2.3-2) unstable; urgency=low * Change Ludovico Gardenghi's e-mail address. * Add missing Conflicts/Replaces for libvde0 vs libvdemgmt0 (and -dev). -- Ludovico Gardenghi Mon, 31 Aug 2009 12:02:03 +0200 vde2 (2.2.3-1) unstable; urgency=low [ Luca Bigliardi ] * Change Luca Bigliardi's e-mail address. [ Filippo Giunchedi ] * New upstream version, remove patches merged upstream: - remove_numports_limit.patch - fix_loop_noarg.patch - fix_output_cosmetic.patch - plugin_fixes.patch - dbgout_prototype_change.patch - allow_mgmtgroup.patch - vde_kvdeswitchfix.patch * Rename libvdemgmt in libvde and ship mgmt, snmp and hist there * Remove transitional vde package * Update to S-V 3.8.3, no changes needed * Point copyright files to GPL-2 -- Filippo Giunchedi Sun, 30 Aug 2009 22:06:53 +0100 vde2 (2.2.2-3) unstable; urgency=low [ Ludovico Gardenghi ] * Fix wrong postinst check for /sbin/MAKEDEV. (Closes: #502708) [ Filippo Giunchedi ] * Add debian/patches/dont_use_installpath.patch to ignore INSTALLPATH for now (Closes: #502442) * Install doc/vdecmd in examples -- Ludovico Gardenghi Wed, 22 Oct 2008 00:23:48 +0200 vde2 (2.2.2-2) unstable; urgency=low * Add DM-Upload-Allowed field * Add Luca Bigliardi as Uploader/DM * Backport fixes from upstream 2.2.3 into debian/patches: - allow_mgmtgroup.patch: add options for group permission on sockets (Closes: #487434) fix a segfault in handle_input with commandline scripts - dbgout_prototype_change.patch: change debug function prototype to include port number - fix_loop_noarg.patch: fix an infinite loop in vdeq when provided wrong arguments - fix_output_cosmetic.patch: fix usage output in wirefilter - plugin_fixes.patch: various fixes in pdump and dump plugins - remove_numports_limit.patch: remove the 255 ports limit in vde_plug and vde_plug2tap fix a segfault while resizing the switch - vde_kvdeswitchfix.patch: fixes for kvde_switch -- Filippo Giunchedi Wed, 01 Oct 2008 14:00:40 +0200 vde2 (2.2.2-1) unstable; urgency=low [ Filippo Giunchedi ] * Remove vde_tunctl manpage and install all manpages instead [ Ludovico Gardenghi ] * New upstream release -- Ludovico Gardenghi Tue, 08 Jul 2008 16:43:49 +0200 vde2 (2.2.1-1) unstable; urgency=low * New upstream release - fix vlan commands on amd64 (Closes: #484295) - fix mac addresses switch between ports (Closes: #469098) * Suggest: qemu and kvm as requested in #461514 * Expand and spell-check README.Debian, add manual method example (Closes: #466363) * Do not assume MAKEDEV presence in postinst * Remove /usr/bin/daemon usage from ifupdown scripts (and Recommends) * Add manpage for vde_tunctl * Upgrade to S-V 3.8.0 (add Homepage field) -- Filippo Giunchedi Tue, 17 Jun 2008 15:36:32 +0200 vde2 (2.2.0-pre2-1) unstable; urgency=low * New upstream version * Add libvdemgmt packages -- Filippo Giunchedi Thu, 31 Jan 2008 00:39:44 +0100 vde2 (2.1.6+r154-1) unstable; urgency=low * snapshot release from svn to bring some new upstream features and debian improvements [ Ludovico Gardenghi ] * Fixed a typo in /etc/network/if-pre-up.d/vde2 script (thanks to Scott Shedden) (Closes: #411400) [ Filippo Giunchedi ] * do not check on interface's name being tap*, ignore interface if there are no actual vde2-* parameters, thanks Raphael (Closes: #418065) * fix README.Debian mispelled vde-net group (Closes: #419513) * document ifupdown "manual" method usage in README.Debian and fix if-pre-up.d/vde2 -- Filippo Giunchedi Fri, 04 May 2007 19:32:22 +0200 vde2 (2.1.6-1) unstable; urgency=low [ Ludovico Gardenghi ] * New upstream release - Piotr's Debian patches merged in upstream - Fixed typos in wirefilter man page (Closes: #403324) - Added function prototypes in vde_cryptcab (Closes: #403292) * Imported Piotr's work: - Added a vde transitional package to facilitate upgrades - Improved descriptions - Added network/if-post-down.d network/if-pre-up.d scripts [ Guido Trotter ] * Added Piotr as an uploader * Add debhelper tokens to post{inst,rm} -- Guido Trotter Wed, 20 Dec 2006 13:04:58 +0000 vde2 (2.1.4-1) unstable; urgency=low * Initial release -- Guido Trotter Tue, 5 Dec 2006 10:57:11 +0200 vde2-2.3.2+r586/debian/compat0000644000000000000000000000000313614540533012371 0ustar 10 vde2-2.3.2+r586/debian/control0000644000000000000000000001127514152703567012611 0ustar Source: vde2 Section: net Priority: optional Maintainer: Debian VSquare Team Uploaders: Ludovico Gardenghi , Guido Trotter , Filippo Giunchedi , Luca Bigliardi , Andrea Capriotti Build-Depends: debhelper (>= 10), libssl-dev, libpcap-dev, cdbs, quilt, libvdeplug-dev Homepage: http://vde.sourceforge.net Vcs-Git: https://salsa.debian.org/virtualsquare-team/vde2.git Vcs-Browser: https://salsa.debian.org/virtualsquare-team/vde2 Standards-Version: 4.4.1 Package: vde2 Section: net Architecture: any Depends: adduser, vdeplug, vde-wirefilter, vde-switch, ${shlibs:Depends}, ${misc:Depends} Suggests: vde2-cryptcab, libpcap0.8, qemu-system Replaces: vde Description: Virtual Distributed Ethernet VDE is a virtual switch that can connect multiple virtual machines together, both local and remote. . Components of the VDE architecture are VDE switches (virtual counterpart of ethernet switches) and VDE cables (virtual counterpart of a crossed-cable used to connect two switches). . VDE 2 includes: - switch management both from console and from a "unix socket terminal" - VLAN 801.1q - FSTP (fast spanning tree) - distributed cable manager using a blowfish encrypted channel . Examples of VDE uses: - With VDE it is possible to create a virtual network of QEMU machines running on several real computer - VDE can be used to create tunnels (even crossing masqueraded networks) - VDE can provide mobility support . The VDE also provides bi-directional pipe command (dpipe) and remote terminal for unix sockets (unixterm). . The Debian package provides a nice extension for /etc/network/interfaces file for easy set up. Package: vde-switch Section: net Architecture: any Depends: ${shlibs:Depends}, ${misc:Depends}, libvdeplug2 Breaks: vde2 (<< 2.3.2+r586-3) Replaces: vde2 (<< 2.3.2+r586-3) Description: Virtual Distributed Ethernet. Virtual Switch command. VDE is a virtual switch that can connect multiple virtual machines together, both local and remote. . Components of the VDE architecture are VDE switches (virtual counterpart of ethernet switches) and VDE cables (virtual counterpart of a crossed-cable used to connect two switches). . This package contains vde_switch, the vde virtual switch Package: vde-wirefilter Section: net Architecture: any Depends: ${shlibs:Depends}, ${misc:Depends}, libvdeplug2 Breaks: vde2 (<< 2.3.2+r586-3) Replaces: vde2 (<< 2.3.2+r586-3) Description: Virtual Distributed Ethernet. wirefilter command. VDE is a virtual switch that can connect multiple virtual machines together, both local and remote. . Components of the VDE architecture are VDE switches (virtual counterpart of ethernet switches) and VDE cables (virtual counterpart of a crossed-cable used to connect two switches). . This package contains wirefilter to emulate delays and packet loss on virtual wires Package: vde2-cryptcab Section: net Architecture: any Depends: ${shlibs:Depends}, ${misc:Depends} Description: Virtual Distributed Ethernet - CryptCab VDE is a virtual switch that can connect multiple virtual machines together, both local and remote. . Components of the VDE architecture are VDE switches (virtual counterpart of ethernet switches) and VDE cables (virtual counterpart of a crossed-cable used to connect two switches). . This package contains CryptCab, which can be used to send encrypted data over an UDP link. Package: libvde-dev Section: libdevel Architecture: any Depends: libvde0 (= ${binary:Version}), ${misc:Depends} Conflicts: libvdemgmt0-dev (<= 2.2.2-3) Replaces: libvdemgmt0-dev, vde2 (<< 2.3.2-1) Breaks: vde2 (<< 2.3.2-1) Description: Virtual Distributed Ethernet - support libraries development files VDE is a virtual switch that can connect multiple virtual machines together, both local and remote. . Components of the VDE architecture are VDE switches (virtual counterpart of ethernet switches) and VDE cables (virtual counterpart of a crossed-cable used to connect two switches). . This package contains the development files for libvde Package: libvde0 Section: libs Architecture: any Depends: ${shlibs:Depends}, ${misc:Depends} Conflicts: libvdemgmt0 (<= 2.2.2-3) Replaces: libvdemgmt0 Description: Virtual Distributed Ethernet - support libraries VDE is a virtual switch that can connect multiple virtual machines together, both local and remote. . Components of the VDE architecture are VDE switches (virtual counterpart of ethernet switches) and VDE cables (virtual counterpart of a crossed-cable used to connect two switches). . This package contains a library to interact with vde_switch management console using pre-made unattended scripts. vde2-2.3.2+r586/debian/copyright0000644000000000000000000003001313754311442013122 0ustar Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ Files: * Copyright: 2003-2020 Renzo Davoli License: GPL-2 Files: debian/* Copyright: 2003-2020 Renzo Davoli 2020 Andrea Capriotti License: GPL-2+ Files: src/dpipe.c Copyright: 2003 Renzo Davoli License: GPL-1+ Files: src/unixcmd.c Copyright: 2007 Renzo Davoli, Luca Bigliardi License: GPL-2+ Files: src/vde_autolink.c src/vde_pcapplug.c Copyright: 2007,2008 Luca Bigliardi License: GPL-2+ Files: src/vde_plug.c Copyright: 2002 Renzo Davoli License: GPL-1+ Files: src/unixterm.c src/vde_plug2tap.c src/wirefilter.c src/vdetaplib/libvdetap.c src/vdetaplib/test.c src/vdetaplib/vdetap.c src/vde_switch/bitarray.h src/vdeterm.c src/vde_switch/fstp.c src/vde_switch/fstp.h src/vde_switch/packetq.c src/vde_switch/packetq.h src/vde_switch/qtimer.c src/vde_switch/plugins/iplog.c Copyright: 2004-2006 Renzo Davoli License: GPL-2 Files: src/vde_tunctl.c src/vdeq.c src/vde_switch/consmgmt.h src/vde_switch/datasock.h src/vde_switch/tuntap.h Copyright: 2002-2003 Jeff Dike License: GPL-1+ Files: src/vde_switch/consmgmt.c Copyright: 2005,2006,2007 Renzo Davoli 2004 Mattia Belletti 2007 Ludovico Gardenghi, Filippo Giunchedi, Luca Bigliardi License: GPL-2 Files: src/vde_switch/datasock.c Copyright: 2005 Renzo Davoli 2004 Mattia Belletti License: GPL-2 Files: src/vde_switch/hash.c Copyright: 2005 Renzo Davoli 2002 Yon Uriarte and Jeff Dike License: GPL-2 Files: src/vde_switch/port.c src/vde_switch/hash.h src/vde_switch/port.h src/vde_switch/switch.h Copyright: 2005 Renzo Davoli 2002 Yon Uriarte and Jeff Dike License: GPL-2 Files: src/vde_switch/sockutils.c src/vde_switch/sockutils.h src/vde_switch/tuntap.c src/kvde_switch/datasock.c Copyright: 2005 Renzo Davoli 2004 Mattia Belletti License: GPL-2 Files: src/vde_switch/vde_switch.c Copyright: 2005 Renzo Davoli 2001-2002 Jeff Dike License: GPL-1+ Files: src/lib/libvdeplug.c src/lib/libvdehist.c Copyright: 2006-2011 Renzo Davoli License: LGPL-2.1+ Files: src/lib/libvdemgmt.c Copyright: 2007 Luca Bigliardi License: GPL-2+ Files: src/lib/libvdesnmp.c Copyright: 2007 Filippo Giunchedi License: GPL-2+ Files: src/lib/python/VdePlug.py src/lib/python/vdeplug_python.c Copyright: 2010 Daniele Lacamera License: LGPL-2.1 Files: src/kvde_switch/consmgmt.c Copyright: 2005,2006,2007 Renzo Davoli 2007 Ludovico Gardenghi, Filippo Giunchedi, Luca Bigliardi 2004 Mattia Belletti License: GPL-2 Files: src/kvde_switch/consmgmt.h src/kvde_switch/datasock.h Copyright: 2002 Jeff Dike License: GPL-1+ Files: src/kvde_switch/kvde_switch.c Copyright: 2005 Renzo Davoli 2001, 2002 Jeff Dike 2005 Ludovico Gardenghi License: GPL-1+ Files: src/kvde_switch/sockutils.c Copyright: 2005 Renzo Davoli 2004 Mattia Belletti License: GPL-2 Files: src/kvde_switch/sockutils.h Copyright: 2005 Renzo Davoli 2004 Mattia Belletti License: GPL-2 Files: src/common/canonicalize.c Copyright: 1996-2001, 2002 Free Software Foundation, Inc. 2005-2006 Renzo Davoli 2008 Ludovico Gardenghi License: LGPL-2.1+ Files: src/common/cmdparse.c Copyright: 2007 Renzo Davoli, Luca Bigliardi License: GPL-2+ Files: src/common/open_memstream.c Copyright: 2005 Richard Kettlewell License: GPL-2+ Files: src/common/poll.c Copyright: 2005 Ludovico Gardenghi License: GPL-2 Files: src/slirpvde/*: Copyright: 1982, 1986, 1988, 1990, 1992-1994, The Regents of the University of California. License: BSD-3-clause Files: src/slirpvde/debug.h src/slirpvde/if.c src/slirpvde/if.h src/slirpvde/main.h src/slirpvde/mbuf.c src/slirpvde/misc.c src/slirpvde/misc.h src/slirpvde/sbuf.c src/slirpvde/sbuf.h src/slirpvde/socket.c src/slirpvde/socket.h Copyright: 1995 Danny Gasparovski License: BSD-3-clause Files: src/slirpvde/bootp.c Copyright: 2004 Fabrice Bellard License: Expat Files: src/slirpvde/slirp.c Copyright: 2004-2008 Fabrice Bellard License: Expat Files: src/slirpvde/slirpvde.c Copyright: 2003-2007 Renzo Davoli 2005 Ludovico Gardenghi License: GPL-1+ Files: src/slirpvde/tcp2unix.c Copyright: 2007 Renzo Davoli License: GPL-2 Files: src/slirpvde/tcp2unix.h Copyright: 2007 Renzo Davoli License: GPL-2 Files: src/slirpvde/tftp.c Copyright: 2004 Magnus Damm License: Expat Files: src/vde_over_ns/* Copyright: 2007 Daniele Lacamera 2000 Florian Heinz and Julien Oster License: GPL-2 Files: src/vde_l3/* Copyright: 2007 Daniele Lacamera License: GPL-2 Files: src/vde_vxlan/* Copyright: 2014 Renzo Davoli, Alessandro Ghedini VirtualSquare License: GPL-2+ Files: src/vde_cryptcab/* Copyright: 2006-2008 Daniele Lacamera License: GPL-2 Files: src/vde_router/* Copyright: 2007-2011 Daniele Lacamera License: GPL-2 Files: src/vde_router/rbtree.c Copyright: 1999 Andrea Arcangeli 2002 David Woodhouse License: GPL-2+ Files: src/vde_router/rbtree.h Copyright: 1999 Andrea Arcangeli License: GPL-2+ Files: include/canonicalize.h Copyright: 1996-2001, 2002 Free Software Foundation, Inc. 2005-2006 Renzo Davoli 2008 Ludovico Gardenghi License: LGPL-2.1+ Files: include/libvdeplug.h include/libvdeplug_dyn.h include/libvdehist.h Copyright: 2006,2007 Renzo Davoli License: LGPL-2.1+ Files: include/cmdparse.h Copyright: 2007 Renzo Davoli, Luca Bigliardi License: GPL-2+ Files: include/libvdemgmt.h Copyright: 2007 Luca Bigliardi License: GPL-2+ Files: include/libvdesnmp.h Copyright: 2007 Filippo Giunchedi License: GPL-2+ Files: doc/bochs/eth_vde.cc Copyright: 2003 Renzo Davoli License: LGPL-2.1+ Files: doc/vdeqemu-HOWTO Copyright: 2004 Jim Brown License: GFDL-1.2+ License: BSD-3-clause Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Neither the name of the University nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. . THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. License: Expat Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: . The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. . THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. License: GPL-1+ Licensed under the GPL . On Debian systems, the full text of the GNU General Public License version 2 can be found in the file '/usr/share/common-licenses/GPL-1' License: GPL-2 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2, as published by the Free Software Foundation. . This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. . You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,MA 02110-1301, USA. . On Debian systems, the full text of the GNU General Public License version 2 can be found in the file '/usr/share/common-licenses/GPL-2' License: GPL-2+ This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. . This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. . You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,MA 02110-1301, USA. . On Debian systems, the full text of the GNU General Public License version 2 can be found in the file '/usr/share/common-licenses/GPL-2' License: LGPL-2.1+ This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. . This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. . You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,MA 02110-1301, USA. . On Debian systems, the full text of the GNU General Public License version 2 can be found in the file '/usr/share/common-licenses/LGPL-2.1' License: LGPL-2.1 This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License version 2.1 as published by the Free Software Foundation. . This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. . You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,MA 02110-1301, USA. . On Debian systems, the full text of the GNU General Public License version 2 can be found in the file '/usr/share/common-licenses/LGPL-2.1' License: GFDL-1.2+ Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is available at http://www.gnu.org/licenses/fdl.txt . On Debian systems, the full text of the GNU General Public License version 2 can be found in the file '/usr/share/common-licenses/GFDL-1.2' vde2-2.3.2+r586/debian/gbp.conf0000644000000000000000000000014013614540533012604 0ustar [DEFAULT] upstream-branch=upstream debian-branch=debian/sid upstream-tag = upstream/%(version)s vde2-2.3.2+r586/debian/libvde-dev.install0000644000000000000000000000065213614540533014606 0ustar debian/tmp/usr/include/libvdemgmt* debian/tmp/usr/lib/libvdemgmt*.a debian/tmp/usr/lib/libvdemgmt*.so debian/tmp/usr/lib/pkgconfig/vdemgmt.pc debian/tmp/usr/include/libvdehist* debian/tmp/usr/lib/libvdehist*.a debian/tmp/usr/lib/libvdehist*.so debian/tmp/usr/lib/pkgconfig/vdehist.pc debian/tmp/usr/include/libvdesnmp* debian/tmp/usr/lib/libvdesnmp*.a debian/tmp/usr/lib/libvdesnmp*.so debian/tmp/usr/lib/pkgconfig/vdesnmp.pc vde2-2.3.2+r586/debian/libvde0.install0000644000000000000000000000021513614540533014105 0ustar debian/tmp/usr/lib/libvdemgmt*.so.* debian/tmp/etc/vde2/libvdemgmt/* debian/tmp/usr/lib/libvdehist*.so.* debian/tmp/usr/lib/libvdesnmp*.so.* vde2-2.3.2+r586/debian/libvde0.lintian-overrides0000644000000000000000000000016613614540533016102 0ustar # that's ok, it is an umbrella package libvde0: package-name-doesnt-match-sonames libvdehist0 libvdemgmt0 libvdesnmp0 vde2-2.3.2+r586/debian/network/0000755000000000000000000000000013614540533012663 5ustar vde2-2.3.2+r586/debian/network/if-post-down.d/0000755000000000000000000000000013614540533015433 5ustar vde2-2.3.2+r586/debian/network/if-post-down.d/vde20000644000000000000000000000161313614540533016217 0ustar #!/bin/sh VDE_SWITCH=/usr/bin/vde_switch SLIRPVDE=/usr/bin/slirpvde # this is not an interesting stanza for us if [ -z "$IF_VDE2_SWITCH" -a -z "$IF_VDE2_PLUG" -a -z "$IF_VDE2_SLIRP" ]; then exit 0 fi PIDFILE="/var/run/vde2/$IFACE-plug.pid" CTLFILE="/var/run/vde2/$IFACE.ctl" if [ -f $PIDFILE ]; then start-stop-daemon --stop --quiet --pidfile $PIDFILE rm -f $PIDFILE fi PIDFILE="/var/run/vde2/$IFACE-slirp.pid" if [ -f $PIDFILE ]; then start-stop-daemon --stop --quiet --pidfile $PIDFILE \ --oknodo --exec $SLIRPVDE rm -f $PIDFILE fi PIDFILE="/var/run/vde2/$IFACE.pid" CTLDIR="/var/run/vde2/$IFACE.ctl" if [ -f $PIDFILE ]; then start-stop-daemon --stop --quiet --pidfile $PIDFILE \ --oknodo --exec $VDE_SWITCH rm -f $PIDFILE # set the tap interface to non-persistant, see #568363 vde_tunctl -b -d $IFACE 1>/dev/null fi rm -rf $CTLDIR rm -f $CTLDIR.* vde2-2.3.2+r586/debian/network/if-pre-up.d/0000755000000000000000000000000013614540533014711 5ustar vde2-2.3.2+r586/debian/network/if-pre-up.d/vde20000644000000000000000000000340113614540533015472 0ustar #!/bin/sh VDE_SWITCH=/usr/bin/vde_switch VDE_PLUG=/usr/bin/vde_plug SLIRPVDE=/usr/bin/slirpvde DPIPE=/usr/bin/dpipe RUNDIR=/var/run/vde2 USER=vde2-net GROUP=vde2-net if [ ! -x $VDE_SWITCH ] || [ ! -x $SLIRPVDE ]; then exit 0 fi # this is not an interesting stanza for us if [ -z "$IF_VDE2_SWITCH" -a -z "$IF_VDE2_PLUG" -a -z "$IF_VDE2_SLIRP" ]; then exit 0 fi # Create directory if missing if [ ! -d $RUNDIR ]; then mkdir -p $RUNDIR chown vde2-net:vde2-net $RUNDIR chmod 2770 $RUNDIR fi # vde2-switch [-|] if [ -n "$IF_VDE2_SWITCH" ]; then set -- $IF_VDE2_SWITCH test "$1" = "-" && shift PIDFILE="$RUNDIR/$IFACE.pid" CTLDIR="$RUNDIR/$IFACE.ctl" MGMTFILE="$RUNDIR/$IFACE.mgmt" if [ "$METHOD" = "manual" ]; then TAPOPTS="" else TAPOPTS="-t $IFACE" fi # block to make sure the interface exists, see #568363 vde_tunctl -b -t $IFACE 1>/dev/null start-stop-daemon --start --quiet --pidfile $PIDFILE \ --exec $VDE_SWITCH -- \ -s $CTLDIR -m 660 -g $GROUP -p $PIDFILE $TAPOPTS \ -M $MGMTFILE --mgmtmode 660 -d "$@" fi # vde2-plug if [ -n "$IF_VDE2_PLUG" ]; then set -- $IF_VDE2_PLUG PIDFILE="$RUNDIR/$IFACE-plug.pid" CTLDIR="$RUNDIR/$IFACE.ctl" start-stop-daemon --start --quiet --pidfile $PIDFILE \ --make-pidfile --background \ --exec $DPIPE -- $VDE_PLUG -g $GROUP -m 660 $CTLDIR = "$@" fi # vde2-slirp [-|] if [ -n "$IF_VDE2_SLIRP" ]; then set -- $IF_VDE2_SLIRP test "$1" = "-" && shift PIDFILE="$RUNDIR/$IFACE-slirp.pid" CTLDIR="$RUNDIR/$IFACE.ctl" start-stop-daemon --start --quiet --pidfile $PIDFILE \ --chuid $USER \ --exec $SLIRPVDE -- \ -s $CTLDIR -m 660 -p $PIDFILE -d "$@" fi vde2-2.3.2+r586/debian/patches/0000755000000000000000000000000013614540533012621 5ustar vde2-2.3.2+r586/debian/patches/compile_with_hurd.patch0000644000000000000000000000431713614540533017354 0ustar Description: Fix FTBFS on hurd-i386, PATH_MAX and MAXSYMLINKS are not defined on Hurd. maxsymlinks() from [0] by Justus Winter [0] http://anonscm.debian.org/gitweb/?p=collab-maint/sysvinit;a=commitdiff;h=b2db6477ee38490a593b14d5ae20f1bef86e65d2 Author: Gabriele Giacone <1o5g4r8o@gmail.com>, Justus Winter <4winter@informatik.uni-hamburg.de> --- a/src/common/canonicalize.c +++ b/src/common/canonicalize.c @@ -32,6 +32,24 @@ #include #include +#ifndef PATH_MAX +#define PATH_MAX 4096 +#endif + +/* + * Get the maximal number of symlinks to follow. + */ + +static int maxsymlinks(void) +{ + int v = sysconf(_SC_SYMLOOP_MAX); +#ifdef MAXSYMLINKS + if (v == -1) + return MAXSYMLINKS; +#endif + return v; +} + /* * Return the canonical absolute name of file NAME. A canonical name does not * contain any `.', `..' components nor any repeated path separators ('/') or @@ -159,7 +177,7 @@ { size_t len; - if (++num_links > MAXSYMLINKS) + if (++num_links > maxsymlinks()) { errno = ELOOP; goto abort; --- a/include/vdeplugin.h +++ b/include/vdeplugin.h @@ -124,4 +124,8 @@ unsigned int qtimer_add(time_t period,int times,void (*call)(),void *arg); void qtimer_del(unsigned int n); +#ifndef PATH_MAX +#define PATH_MAX 4096 +#endif + #endif --- a/include/vde.h +++ b/include/vde.h @@ -24,4 +24,8 @@ */ #define VDE_PQ +#ifndef PATH_MAX +#define PATH_MAX 4096 +#endif + #endif --- a/src/vde_plug2tap.c +++ b/src/vde_plug2tap.c @@ -265,6 +265,7 @@ int main(int argc, char **argv) { +#ifndef VDE_GNU static char *sockname=NULL; static char *tapname=NULL; int daemonize=0; @@ -417,4 +418,5 @@ } return(0); +#endif } --- a/configure.ac +++ b/configure.ac @@ -115,9 +115,12 @@ freebsd*) AC_DEFINE([VDE_FREEBSD], 1, [If defined, this is a FreeBSD system]) ;; + gnu*) + AC_DEFINE([VDE_GNU], 1, [If defined, this is a Hurd system]) + ;; *) - AC_MSG_ERROR([Unsupported OS: $build_os. At the moment, only Linux, Darwin -and FreeBSD are supported. Contributions are appreciated! :-)]) + AC_MSG_ERROR([Unsupported OS: $build_os. At the moment, only Linux, Darwin, +FreeBSD and Hurd are supported. Contributions are appreciated! :-)]) ;; esac vde2-2.3.2+r586/debian/patches/compile_with_kfreebsd.patch0000644000000000000000000000264313614540533020177 0ustar --- a/src/vde_l3/vde_buff.h +++ b/src/vde_l3/vde_buff.h @@ -27,6 +27,7 @@ #define PROTO_UDP 17 #if defined(VDE_FREEBSD) || defined(VDE_DARWIN) +# ifndef VDE_KFREEBSD struct iphdr { #if BYTE_ORDER == LITTLE_ENDIAN @@ -47,6 +48,7 @@ u_int32_t daddr; /*The options start here. */ }; +# endif // VDE_KFREEBSD #endif struct --- a/src/vde_pcapplug.c +++ b/src/vde_pcapplug.c @@ -23,6 +23,10 @@ #include #include #include +#include +#ifdef VDE_FREEBSD +#include +#endif #include #include #include @@ -35,7 +39,6 @@ #include #include -#include #include #include #include --- a/configure.ac +++ b/configure.ac @@ -108,6 +108,10 @@ AC_DEFINE([VDE_DARWIN], 1, [If defined, this is a Darwin system]) darwin_gcc=yes ;; + kfreebsd*) + AC_DEFINE([VDE_FREEBSD], 1, [If defined, this is a FreeBSD system]) + AC_DEFINE([VDE_KFREEBSD], 1, [If defined, this is a kFreeBSD system]) + ;; freebsd*) AC_DEFINE([VDE_FREEBSD], 1, [If defined, this is a FreeBSD system]) ;; @@ -192,7 +196,7 @@ http://tuntaposx.sourceforge.net/]) fi ;; - freebsd*) + kfreebsd*|freebsd*) AC_CHECK_HEADER([net/if_tun.h], [AC_DEFINE([HAVE_TUNTAP], 1, [If defined, tuntap support is compiled in])], [warn_tuntap=yes]) vde2-2.3.2+r586/debian/patches/fix_qtime_hash_gc_race_condition.patch0000644000000000000000000000271713614540533022352 0ustar --- a/src/vde_switch/hash.c +++ b/src/vde_switch/hash.c @@ -49,8 +49,11 @@ u_int64_t dst; }; +static int delayed_hash_gc; static struct hash_entry **h; +static void hash_gc(void *arg); // forward declaration + static int calc_hash(u_int64_t src) { src ^= src >> 33; @@ -90,6 +93,7 @@ * port */ int find_in_hash(unsigned char *dst,int vlan) { + if (delayed_hash_gc) hash_gc(NULL); struct hash_entry *e = find_entry(extmac(dst,vlan)); if(e == NULL) return -1; return(e->port); @@ -103,6 +107,7 @@ int k = calc_hash(esrc); int oldport; time_t now; + if (delayed_hash_gc) hash_gc(NULL); for(e = h[k]; e && e->dst != esrc; e = e->next) ; if(e == NULL) { @@ -268,9 +273,17 @@ static void hash_gc(void *arg) { time_t t = qtime(); + delayed_hash_gc = 0; for_all_hash(&gc, &t); } +/* actual handler which is called every GC_INTERVAL seconds. only set a flag + to stay "thread-safe" */ +static void hash_gc_flag(void *arg) +{ + delayed_hash_gc++; +} + #define HASH_INIT(BIT) \ ({ hash_bits=(BIT);\ hash_mask=HASH_SIZE-1;\ @@ -311,7 +324,7 @@ { qtimer_del(gc_timerno); gc_interval=p; - gc_timerno=qtimer_add(gc_interval,0,hash_gc,NULL); + gc_timerno=qtimer_add(gc_interval,0,hash_gc_flag,NULL); return 0; } @@ -411,7 +424,7 @@ gc_interval=GC_INTERVAL; gc_expire=GC_EXPIRE; - gc_timerno=qtimer_add(gc_interval,0,hash_gc,NULL); + gc_timerno=qtimer_add(gc_interval,0,hash_gc_flag,NULL); ADDCL(cl); #ifdef DEBUGOPT ADDDBGCL(dl); vde2-2.3.2+r586/debian/patches/fix_soname_version_info.patch0000644000000000000000000000175513614540533020562 0ustar --- a/src/lib/Makefile.am +++ b/src/lib/Makefile.am @@ -17,16 +17,16 @@ # read before touching http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info libvdemgmt_la_LIBADD = $(LIBADD) -libvdemgmt_la_LDFLAGS = $(AM_LDFLAGS) -version-number 0:0:1 -export-dynamic +libvdemgmt_la_LDFLAGS = $(AM_LDFLAGS) -version-info 0:1:0 -export-dynamic libvdesnmp_la_LIBADD = $(LIBADD) $(top_builddir)/src/lib/libvdemgmt.la -libvdesnmp_la_LDFLAGS = $(AM_LDFLAGS) -version-number 0:0:1 -export-dynamic +libvdesnmp_la_LDFLAGS = $(AM_LDFLAGS) -version-info 0:1:0 -export-dynamic libvdeplug_la_LIBADD = $(LIBADD) -libvdeplug_la_LDFLAGS = $(AM_LDFLAGS) -version-number 3:0:1 -export-dynamic +libvdeplug_la_LDFLAGS = $(AM_LDFLAGS) -version-info 3:2:1 -export-dynamic libvdehist_la_LIBADD = $(LIBADD) -libvdehist_la_LDFLAGS = $(AM_LDFLAGS) -version-number 0:0:1 -export-dynamic +libvdehist_la_LDFLAGS = $(AM_LDFLAGS) -version-info 0:1:0 -export-dynamic if ENABLE_PYTHON SUBDIRS += . python vde2-2.3.2+r586/debian/patches/libvdeplug_dyn_versioned_dlopen.patch0000644000000000000000000000266513614540533022301 0ustar --- a/include/libvdeplug_dyn.h +++ b/include/libvdeplug_dyn.h @@ -57,6 +57,25 @@ #include #define LIBVDEPLUG_INTERFACE_VERSION 1 +/* + * Define the dlopen default filename as the versioned shared object name + * instead than the plain ".so" filename. This is needed on Debian as the + * unversioned symlink (e.g. "libvdeplug.so") is not included in the binary + * package but only in the development one. + * + * libvdeplug can work flawlessly without specifying the SONAME as the interface + * is meant to be always backwards-compatible; however, the Debian policy is + * against putting .so symlinks in the binary packages as in general is not safe + * to link or dlopen unversioned shared objects. + * + * If this header file is used to generate binaries meant to be used on other + * distributions, it could be safe to redefine LIBVDEPLUG_DLOPEN_FILENAME with + * the unversioned name. + */ +#ifndef LIBVDEPLUG_DLOPEN_FILENAME +#define LIBVDEPLUG_DLOPEN_FILENAME "libvdeplug.so.2" +#endif + struct vdeconn; typedef struct vdeconn VDECONN; @@ -113,7 +132,7 @@ typedef void (* VDESTREAM_CLOSE_T)(VDESTREAM *vdestream); #define libvdeplug_dynopen(x) ({ \ - (x).dl_handle=dlopen("libvdeplug.so",RTLD_NOW); \ + (x).dl_handle=dlopen(LIBVDEPLUG_DLOPEN_FILENAME,RTLD_NOW); \ if ((x).dl_handle) { \ (x).vde_open_real=(VDE_OPEN_REAL_T) dlsym((x).dl_handle,"vde_open_real"); \ (x).vde_recv=(VDE_RECV_T) dlsym((x).dl_handle,"vde_recv"); \ vde2-2.3.2+r586/debian/patches/series0000644000000000000000000000035513614540533014041 0ustar libvdeplug_dyn_versioned_dlopen.patch fix_soname_version_info.patch compile_with_kfreebsd.patch compile_with_hurd.patch vdeterm_terminal_reset.patch fix_qtime_hash_gc_race_condition.patch vde_cryptcab-compile-against-openssl-1.1.0.patch vde2-2.3.2+r586/debian/patches/vde_cryptcab-compile-against-openssl-1.1.0.patch0000644000000000000000000000521313614540533023476 0ustar ## Description: add some description ## Origin/Author: add some origin or author ## Bug: bug URL From 5f2c4c7b67617991af65798a4d177ada90f7e463 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Fri, 2 Sep 2016 19:52:49 +0000 Subject: [PATCH] vde_cryptcab: compile against openssl 1.1.0 Signed-off-by: Sebastian Andrzej Siewior --- src/vde_cryptcab/cryptcab.c | 30 +++++++++++++++++++----------- 1 file changed, 19 insertions(+), 11 deletions(-) --- a/src/vde_cryptcab/cryptcab.c +++ b/src/vde_cryptcab/cryptcab.c @@ -22,7 +22,7 @@ exit(1); } -static EVP_CIPHER_CTX ctx; +static EVP_CIPHER_CTX *ctx; static int ctx_initialized = 0; static int encryption_disabled = 0; static int nfd; @@ -30,6 +30,10 @@ static struct vde_open_args open_args={.port=0,.group=NULL,.mode=0700}; static int verbose = 0; +#if OPENSSL_VERSION_NUMBER < 0x10100000 +#define EVP_CIPHER_CTX_reset(x) EVP_CIPHER_CTX_cleanup(x) +#endif + void vc_printlog(int priority, const char *format, ...) { va_list arg; @@ -105,19 +109,21 @@ } if (!ctx_initialized) { - EVP_CIPHER_CTX_init (&ctx); + ctx = EVP_CIPHER_CTX_new (); + if (!ctx) + return -1; ctx_initialized = 1; } - EVP_EncryptInit (&ctx, EVP_bf_cbc (), p->key, p->iv); - if (EVP_EncryptUpdate (&ctx, dst, &olen, src, len) != 1) + EVP_EncryptInit (ctx, EVP_bf_cbc (), p->key, p->iv); + if (EVP_EncryptUpdate (ctx, dst, &olen, src, len) != 1) { fprintf (stderr,"error in encrypt update\n"); olen = -1; goto cleanup; } - if (EVP_EncryptFinal (&ctx, dst + ulen, &tlen) != 1) + if (EVP_EncryptFinal (ctx, dst + ulen, &tlen) != 1) { fprintf (stderr,"error in encrypt final\n"); olen = -1; @@ -126,7 +132,7 @@ olen += tlen; cleanup: - EVP_CIPHER_CTX_cleanup(&ctx); + EVP_CIPHER_CTX_reset(ctx); return olen; } @@ -142,19 +148,21 @@ } if (!ctx_initialized) { - EVP_CIPHER_CTX_init (&ctx); + ctx = EVP_CIPHER_CTX_new (); + if (!ctx) + return -1; ctx_initialized = 1; } - EVP_DecryptInit (&ctx, EVP_bf_cbc (), p->key, p->iv); - if (EVP_DecryptUpdate (&ctx, dst, &olen, src, ulen) != 1) + EVP_DecryptInit (ctx, EVP_bf_cbc (), p->key, p->iv); + if (EVP_DecryptUpdate (ctx, dst, &olen, src, ulen) != 1) { fprintf (stderr,"error in decrypt update\n"); olen = -1; goto cleanup; } - if (EVP_DecryptFinal (&ctx, dst + ulen, &tlen) != 1) + if (EVP_DecryptFinal (ctx, dst + ulen, &tlen) != 1) { fprintf (stderr,"error in decrypt final, ulen = %d, tlen = %d\n", ulen, tlen); olen = -1; @@ -163,7 +171,7 @@ olen += tlen; cleanup: - EVP_CIPHER_CTX_cleanup(&ctx); + EVP_CIPHER_CTX_reset (ctx); return olen; } vde2-2.3.2+r586/debian/patches/vdeterm_terminal_reset.patch0000644000000000000000000000121113614540533020400 0ustar Description: don't reset terminal too early Author: Serge Hallyn Forwarded: yes --- a/src/vdeterm.c +++ b/src/vdeterm.c @@ -20,11 +20,13 @@ char *prompt; static struct termios tiop; +int termset = 0; static void cleanup(void) { fprintf(stderr,"\n"); - tcsetattr(STDIN_FILENO,TCSAFLUSH,&tiop); + if (termset) + tcsetattr(STDIN_FILENO,TCSAFLUSH,&tiop); } static void sig_handler(int sig) @@ -135,6 +137,7 @@ newtiop.c_lflag &= ~ICANON; newtiop.c_lflag &= ~ECHO; tcsetattr(STDIN_FILENO,TCSAFLUSH,&newtiop); + termset = 1; flags = fcntl(fd, F_GETFL); flags |= O_NONBLOCK; fcntl(fd, F_SETFL, flags); vde2-2.3.2+r586/debian/rules0000755000000000000000000000216613614540533012257 0ustar #!/usr/bin/make -f include /usr/share/cdbs/1/rules/buildcore.mk include /usr/share/cdbs/1/rules/debhelper.mk include /usr/share/cdbs/1/class/autotools.mk include /usr/share/cdbs/1/rules/patchsys-quilt.mk include /usr/share/cdbs/1/rules/autoreconf.mk DEB_CONFIGURE_EXTRA_FLAGS = --enable-experimental --disable-python # TUN/TAP is almost unsupported on kFreeBSD, so install the corresponding files # only on Linux. binary-install/vde2:: if test "x`uname -s`" = "xLinux"; then \ dh_install -pvde2 debian/tmp/usr/sbin/vde_tunctl; \ dh_install -pvde2 debian/tmp/usr/lib/vde2/libvdetap.so; \ dh_install -pvde2 debian/tmp/usr/lib/vde2/vdetap; \ dh_installman -pvde2 debian/tmp/usr/share/man/man8/vde_tunctl.8; \ dh_installman -pvde2 debian/tmp/usr/share/man/man1/vdetaplib.1; \ fi binary-install/libvde-dev:: if test "x`uname -o`" = "xGNU/Linux"; then \ dh_install -plibvde-dev debian/tmp/usr/lib/vde2/libvdetap.a; \ fi install/vde2:: install -D -m 0755 debian/network/if-pre-up.d/vde2 debian/vde2/etc/network/if-pre-up.d/vde2 install -D -m 0755 debian/network/if-post-down.d/vde2 debian/vde2/etc/network/if-post-down.d/vde2 vde2-2.3.2+r586/debian/source/0000755000000000000000000000000013614540533012472 5ustar vde2-2.3.2+r586/debian/source/format0000644000000000000000000000000413614540533013677 0ustar 1.0 vde2-2.3.2+r586/debian/vde-switch.install0000644000000000000000000000011113614540533014630 0ustar debian/tmp/usr/bin/vde_switch debian/tmp/usr/share/man/man1/vde_switch.1 vde2-2.3.2+r586/debian/vde-wirefilter.install0000644000000000000000000000011113614540533015503 0ustar debian/tmp/usr/bin/wirefilter debian/tmp/usr/share/man/man1/wirefilter.1 vde2-2.3.2+r586/debian/vde2-cryptcab.install0000644000000000000000000000010713614540533015225 0ustar debian/tmp/usr/bin/*cryptcab* debian/tmp/usr/share/man/man1/*cryptcab* vde2-2.3.2+r586/debian/vde2.docs0000644000000000000000000000000713614540533012701 0ustar README vde2-2.3.2+r586/debian/vde2.examples0000644000000000000000000000013413614540533013570 0ustar src/vde_switch/plugins/pdump.c src/vde_switch/plugins/dump.c include/vdeplugin.h doc/vdecmd vde2-2.3.2+r586/debian/vde2.install0000644000000000000000000000171313614540533013424 0ustar debian/tmp/etc/vde2/vdecmd debian/tmp/usr/bin/slirpvde debian/tmp/usr/bin/unixcmd debian/tmp/usr/bin/unixterm debian/tmp/usr/bin/vde_autolink debian/tmp/usr/bin/vde_l3 debian/tmp/usr/bin/vde_over_ns debian/tmp/usr/bin/vde_pcapplug debian/tmp/usr/bin/vde_plug2tap debian/tmp/usr/bin/vdeq debian/tmp/usr/bin/vdeterm debian/tmp/usr/share/man/man1/slirpvde.1 debian/tmp/usr/share/man/man1/unixcmd.1 debian/tmp/usr/share/man/man1/unixterm.1 debian/tmp/usr/share/man/man1/vde_autolink.1 debian/tmp/usr/share/man/man1/vde_l3.1 debian/tmp/usr/share/man/man1/vde_over_ns.1 debian/tmp/usr/share/man/man1/vde_pcapplug.1 debian/tmp/usr/share/man/man1/vde_plug2tap.1 debian/tmp/usr/share/man/man1/vdeq.1 debian/tmp/usr/share/man/man1/vdeterm.1 debian/tmp/usr/lib/vde2/plugins/dump.so debian/tmp/usr/lib/vde2/plugins/iplog.so debian/tmp/usr/lib/vde2/plugins/pdump.so debian/tmp/usr/lib/vde2/vde_l3/bfifo.so debian/tmp/usr/lib/vde2/vde_l3/pfifo.so debian/tmp/usr/lib/vde2/vde_l3/tbf.so vde2-2.3.2+r586/debian/vde2.postinst0000644000000000000000000000106513614540533013641 0ustar #!/bin/sh set -e if [ "$1" = "configure" ]; then if ! getent passwd vde2-net >/dev/null; then adduser --quiet --system --group --no-create-home --home /var/run/vde2 vde2-net fi if ! [ -d /var/run/vde2 ]; then mkdir -p /var/run/vde2 fi if ! dpkg-statoverride --list /var/run/vde2 >/dev/null; then chown vde2-net:vde2-net /var/run/vde2 chmod 2770 /var/run/vde2 fi if [ ! -e /dev/.devfsd ] && [ ! -e /dev/net/tun ] && [ -x /dev/MAKEDEV ]; then (cd /dev && ./MAKEDEV tun) fi fi #DEBHELPER# vde2-2.3.2+r586/debian/vde2.postrm0000644000000000000000000000024313614540533013277 0ustar #!/bin/sh set -e if [ "$1" = "purge" ] ; then deluser --quiet vde2-net 2>/dev/null || true delgroup --quiet vde2-net 2>/dev/null || true fi #DEBHELPER# vde2-2.3.2+r586/debian/watch0000644000000000000000000000005713614540533012225 0ustar version=3 http://sf.net/vde/vde2-(.*)\.tar\.gz vde2-2.3.2+r586/depcomp0000755000000000000000000005601613614540472011337 0ustar #! /bin/sh # depcomp - compile a program generating dependencies as side-effects scriptversion=2013-05-30.07; # UTC # Copyright (C) 1999-2013 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Alexandre Oliva . case $1 in '') echo "$0: No command. Try '$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: depcomp [--help] [--version] PROGRAM [ARGS] Run PROGRAMS ARGS to compile a file, generating dependencies as side-effects. Environment variables: depmode Dependency tracking mode. source Source file read by 'PROGRAMS ARGS'. object Object file output by 'PROGRAMS ARGS'. DEPDIR directory where to store dependencies. depfile Dependency file to output. tmpdepfile Temporary file to use when outputting dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit $? ;; -v | --v*) echo "depcomp $scriptversion" exit $? ;; esac # Get the directory component of the given path, and save it in the # global variables '$dir'. Note that this directory component will # be either empty or ending with a '/' character. This is deliberate. set_dir_from () { case $1 in */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; *) dir=;; esac } # Get the suffix-stripped basename of the given path, and save it the # global variable '$base'. set_base_from () { base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` } # If no dependency file was actually created by the compiler invocation, # we still have to create a dummy depfile, to avoid errors with the # Makefile "include basename.Plo" scheme. make_dummy_depfile () { echo "#dummy" > "$depfile" } # Factor out some common post-processing of the generated depfile. # Requires the auxiliary global variable '$tmpdepfile' to be set. aix_post_process_depfile () { # If the compiler actually managed to produce a dependency file, # post-process it. if test -f "$tmpdepfile"; then # Each line is of the form 'foo.o: dependency.h'. # Do two passes, one to just change these to # $object: dependency.h # and one to simply output # dependency.h: # which is needed to avoid the deleted-header problem. { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" } > "$depfile" rm -f "$tmpdepfile" else make_dummy_depfile fi } # A tabulation character. tab=' ' # A newline character. nl=' ' # Character ranges might be problematic outside the C locale. # These definitions help. upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ lower=abcdefghijklmnopqrstuvwxyz digits=0123456789 alpha=${upper}${lower} if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. depfile=${depfile-`echo "$object" | sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} rm -f "$tmpdepfile" # Avoid interferences from the environment. gccflag= dashmflag= # Some modes work just like other modes, but use different flags. We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. Note that we *cannot* use a case # here, because this file can only contain one case statement. if test "$depmode" = hp; then # HP compiler uses -M and no extra arg. gccflag=-M depmode=gcc fi if test "$depmode" = dashXmstdout; then # This is just like dashmstdout with a different argument. dashmflag=-xM depmode=dashmstdout fi cygpath_u="cygpath -u -f -" if test "$depmode" = msvcmsys; then # This is just like msvisualcpp but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvisualcpp fi if test "$depmode" = msvc7msys; then # This is just like msvc7 but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvc7 fi if test "$depmode" = xlc; then # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. gccflag=-qmakedep=gcc,-MF depmode=gcc fi case "$depmode" in gcc3) ## gcc 3 implements dependency tracking that does exactly what ## we want. Yay! Note: for some reason libtool 1.4 doesn't like ## it if -MD -MP comes after the -MF stuff. Hmm. ## Unfortunately, FreeBSD c89 acceptance of flags depends upon ## the command line argument order; so add the flags where they ## appear in depend2.am. Note that the slowdown incurred here ## affects only configure: in makefiles, %FASTDEP% shortcuts this. for arg do case $arg in -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; *) set fnord "$@" "$arg" ;; esac shift # fnord shift # $arg done "$@" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi mv "$tmpdepfile" "$depfile" ;; gcc) ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. ## (see the conditional assignment to $gccflag above). ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). Also, it might not be ## supported by the other compilers which use the 'gcc' depmode. ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" # The second -e expression handles DOS-style file names with drive # letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the "deleted header file" problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. ## Some versions of gcc put a space before the ':'. On the theory ## that the space means something, we add a space to the output as ## well. hp depmode also adds that space, but also prefixes the VPATH ## to the object. Take care to not repeat it in the output. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; sgi) if test "$libtool" = yes; then "$@" "-Wp,-MDupdate,$tmpdepfile" else "$@" -MDupdate "$tmpdepfile" fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files echo "$object : \\" > "$depfile" # Clip off the initial element (the dependent). Don't try to be # clever and replace this with sed code, as IRIX sed won't handle # lines with more than a fixed number of characters (4096 in # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; # the IRIX cc adds comments like '#:fec' to the end of the # dependency line. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ | tr "$nl" ' ' >> "$depfile" echo >> "$depfile" # The second pass generates a dummy entry for each header file. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ >> "$depfile" else make_dummy_depfile fi rm -f "$tmpdepfile" ;; xlc) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; aix) # The C for AIX Compiler uses -M and outputs the dependencies # in a .u file. In older versions, this file always lives in the # current directory. 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The "VDE Adapter" option automatically appears when VirtualBox runs on a host with VDE support (i.e. if VirtualBox can load the libvdeplug library). (Renzo Davoli, May 08 2010). ---- Obsolete info for 3.1.6 This directory contains a preliminary patch to add a native support for VDE in VirtualBox. How to compile VirtualBox+VDE support. Download VirtualBox source code from here: http://download.virtualbox.org/virtualbox/ Expand the source tar.bz2. Apply the patch (in the root dir of the source hierarchy): $ patch -p 1 Julien Oster Start the server on one end, and attach it to an existing vde_switch with vde_plug cmd: dpipe vde_plug /tmp/vde.ctl = vde_over_ns tun.virtual.vde do the same with the client on the other end: dpipe vde_plug /tmp/vde.ctl = vde_over_ns -c 125.23.53.12 tun.virtual.vde 125.23.53.12 has to be a DNS-server which can be reached by the client-side. The server *must* run on a server where an NS-record for tun.virtual.vde points to. So if the server has the IP 1.2.3.4 there must exist an entry in the zonefile of virtual.vde: tun IN NS 1.2.3.4 Now the switches on the two boxes should be plugged. Note: the flow is optimized from client to server. server to client too works fine, but it's not as good Daniele Lacamera vde2-2.3.2+r586/doc/VirtualBox-3.1.6_OSE_VDE.patch0000644000000000000000000012743013614540472015515 0ustar diff -Naur VirtualBox-3.1.6_OSE/src/VBox/Devices/Builtins.cpp VirtualBox-3.1.6_OSE_VDE/src/VBox/Devices/Builtins.cpp --- VirtualBox-3.1.6_OSE/src/VBox/Devices/Builtins.cpp 2010-03-25 20:55:45.000000000 +0100 +++ VirtualBox-3.1.6_OSE_VDE/src/VBox/Devices/Builtins.cpp 2010-04-04 10:18:29.000000000 +0200 @@ -237,6 +237,13 @@ if (RT_FAILURE(rc)) return rc; #endif + /* ENABLE VDE */ +#if defined(RT_OS_LINUX) || defined(RT_OS_FREEBSD) + rc = pCallbacks->pfnRegister(pCallbacks, &g_DrvVDE); + if (RT_FAILURE(rc)) + return rc; +#endif + /* /ENABLE VDE */ rc = pCallbacks->pfnRegister(pCallbacks, &g_DrvIntNet); if (RT_FAILURE(rc)) return rc; diff -Naur VirtualBox-3.1.6_OSE/src/VBox/Devices/Builtins.h VirtualBox-3.1.6_OSE_VDE/src/VBox/Devices/Builtins.h --- VirtualBox-3.1.6_OSE/src/VBox/Devices/Builtins.h 2010-03-25 20:55:45.000000000 +0100 +++ VirtualBox-3.1.6_OSE_VDE/src/VBox/Devices/Builtins.h 2010-04-04 10:18:29.000000000 +0200 @@ -106,6 +106,9 @@ #if defined(RT_OS_LINUX) || defined(RT_OS_FREEBSD) extern const PDMDRVREG g_DrvHostInterface; #endif +#if defined(RT_OS_LINUX) || defined(RT_OS_FREEBSD) +extern const PDMDRVREG g_DrvVDE; +#endif extern const PDMDRVREG g_DrvIntNet; extern const PDMDRVREG g_DrvNAT; extern const PDMDRVREG g_DrvNetSniffer; diff -Naur VirtualBox-3.1.6_OSE/src/VBox/Devices/Makefile.kmk VirtualBox-3.1.6_OSE_VDE/src/VBox/Devices/Makefile.kmk --- VirtualBox-3.1.6_OSE/src/VBox/Devices/Makefile.kmk 2010-03-25 20:55:47.000000000 +0100 +++ VirtualBox-3.1.6_OSE_VDE/src/VBox/Devices/Makefile.kmk 2010-04-04 10:18:29.000000000 +0200 @@ -909,8 +909,10 @@ Audio/ossaudio.c endif # l4 +# ENABLE VDE: Network/DrvVDE.cpp added Drivers_SOURCES.linux = \ Network/DrvTAP.cpp \ + Network/DrvVDE.cpp \ Audio/ossaudio.c \ Parallel/DrvHostParallel.cpp \ Serial/DrvHostSerial.cpp diff -Naur VirtualBox-3.1.6_OSE/src/VBox/Devices/Network/DrvVDE.cpp VirtualBox-3.1.6_OSE_VDE/src/VBox/Devices/Network/DrvVDE.cpp --- VirtualBox-3.1.6_OSE/src/VBox/Devices/Network/DrvVDE.cpp 1970-01-01 01:00:00.000000000 +0100 +++ VirtualBox-3.1.6_OSE_VDE/src/VBox/Devices/Network/DrvVDE.cpp 2010-04-04 10:34:46.000000000 +0200 @@ -0,0 +1,561 @@ +/** $Id: DrvVDE.cpp $ */ +/** @file + * VDE network transport driver. + */ + +/* + * Copyright (C) 2010 Renzo Davoli. VirtualSquare. University of Bologna. + * Copyright (C) 2006-2007 Sun Microsystems, Inc. + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa + * Clara, CA 95054 USA or visit http://www.sun.com if you need + * additional information or have any questions. + */ + +/******************************************************************************* +* Header Files * +*******************************************************************************/ +#define LOG_GROUP LOG_GROUP_DRV_TUN +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "Builtins.h" +#include "libvdeplug_dyn.h" + +struct vdepluglib vdeplughdl; + +/******************************************************************************* +* Structures and Typedefs * +*******************************************************************************/ +/** + * Block driver instance data. + */ +typedef struct DRVVDE +{ + /** The network interface. */ + PDMINETWORKCONNECTOR INetworkConnector; + /** The network interface. */ + PPDMINETWORKPORT pPort; + /** Pointer to the driver instance. */ + PPDMDRVINS pDrvIns; + /** VDE device file handle. */ + RTFILE FileDevice; + /** The configured VDE device name. */ + char *pszDeviceName; + /** VDE setup application. */ + char *pszSetupApplication; + /** VDE terminate application. */ + char *pszTerminateApplication; + /** The write end of the control pipe. */ + RTFILE PipeWrite; + /** The read end of the control pipe. */ + RTFILE PipeRead; + /** Reader thread. */ + PPDMTHREAD pThread; + + VDECONN *vdeconn; +#ifdef VBOX_WITH_STATISTICS + /** Number of sent packets. */ + STAMCOUNTER StatPktSent; + /** Number of sent bytes. */ + STAMCOUNTER StatPktSentBytes; + /** Number of received packets. */ + STAMCOUNTER StatPktRecv; + /** Number of received bytes. */ + STAMCOUNTER StatPktRecvBytes; + /** Profiling packet transmit runs. */ + STAMPROFILE StatTransmit; + /** Profiling packet receive runs. */ + STAMPROFILEADV StatReceive; +#endif /* VBOX_WITH_STATISTICS */ + +#ifdef LOG_ENABLED + /** The nano ts of the last transfer. */ + uint64_t u64LastTransferTS; + /** The nano ts of the last receive. */ + uint64_t u64LastReceiveTS; +#endif +} DRVVDE, *PDRVVDE; + + +/** Converts a pointer to VDE::INetworkConnector to a PRDVVDE. */ +#define PDMINETWORKCONNECTOR_2_DRVVDE(pInterface) ( (PDRVVDE)((uintptr_t)pInterface - RT_OFFSETOF(DRVVDE, INetworkConnector)) ) + + +/******************************************************************************* +* Internal Functions * +*******************************************************************************/ + +/** + * Send data to the network. + * + * @returns VBox status code. + * @param pInterface Pointer to the interface structure containing the called function pointer. + * @param pvBuf Data to send. + * @param cb Number of bytes to send. + * @thread EMT + */ +static DECLCALLBACK(int) drvVDESend(PPDMINETWORKCONNECTOR pInterface, const void *pvBuf, size_t cb) +{ + PDRVVDE pThis = PDMINETWORKCONNECTOR_2_DRVVDE(pInterface); + STAM_COUNTER_INC(&pThis->StatPktSent); + STAM_COUNTER_ADD(&pThis->StatPktSentBytes, cb); + STAM_PROFILE_START(&pThis->StatTransmit, a); + +#ifdef LOG_ENABLED + uint64_t u64Now = RTTimeProgramNanoTS(); + LogFlow(("drvVDESend: %-4d bytes at %llu ns deltas: r=%llu t=%llu\n", + cb, u64Now, u64Now - pThis->u64LastReceiveTS, u64Now - pThis->u64LastTransferTS)); + pThis->u64LastTransferTS = u64Now; +#endif + Log2(("drvVDESend: pvBuf=%p cb=%#x\n" + "%.*Rhxd\n", + pvBuf, cb, cb, pvBuf)); + + int rc = vdeplughdl.vde_send(pThis->vdeconn, pvBuf, cb, 0); + + STAM_PROFILE_STOP(&pThis->StatTransmit, a); + AssertRC(rc); + return rc; +} + + +/** + * Set promiscuous mode. + * + * This is called when the promiscuous mode is set. This means that there doesn't have + * to be a mode change when it's called. + * + * @param pInterface Pointer to the interface structure containing the called function pointer. + * @param fPromiscuous Set if the adaptor is now in promiscuous mode. Clear if it is not. + * @thread EMT + */ +static DECLCALLBACK(void) drvVDESetPromiscuousMode(PPDMINETWORKCONNECTOR pInterface, bool fPromiscuous) +{ + LogFlow(("drvVDESetPromiscuousMode: fPromiscuous=%d\n", fPromiscuous)); + /* nothing to do */ +} + + +/** + * Notification on link status changes. + * + * @param pInterface Pointer to the interface structure containing the called function pointer. + * @param enmLinkState The new link state. + * @thread EMT + */ +static DECLCALLBACK(void) drvVDENotifyLinkChanged(PPDMINETWORKCONNECTOR pInterface, PDMNETWORKLINKSTATE enmLinkState) +{ + LogFlow(("drvNATNotifyLinkChanged: enmLinkState=%d\n", enmLinkState)); + /** @todo take action on link down and up. Stop the polling and such like. */ +} + + +/** + * Asynchronous I/O thread for handling receive. + * + * @returns VINF_SUCCESS (ignored). + * @param Thread Thread handle. + * @param pvUser Pointer to a DRVVDE structure. + */ +static DECLCALLBACK(int) drvVDEAsyncIoThread(PPDMDRVINS pDrvIns, PPDMTHREAD pThread) +{ + PDRVVDE pThis = PDMINS_2_DATA(pDrvIns, PDRVVDE); + LogFlow(("drvVDEAsyncIoThread: pThis=%p\n", pThis)); + + if (pThread->enmState == PDMTHREADSTATE_INITIALIZING) + return VINF_SUCCESS; + + STAM_PROFILE_ADV_START(&pThis->StatReceive, a); + + /* + * Polling loop. + */ + while (pThread->enmState == PDMTHREADSTATE_RUNNING) + { + /* + * Wait for something to become available. + */ + struct pollfd aFDs[2]; + aFDs[0].fd = vdeplughdl.vde_datafd(pThis->vdeconn); + aFDs[0].events = POLLIN | POLLPRI; + aFDs[0].revents = 0; + aFDs[1].fd = pThis->PipeRead; + aFDs[1].events = POLLIN | POLLPRI | POLLERR | POLLHUP; + aFDs[1].revents = 0; + STAM_PROFILE_ADV_STOP(&pThis->StatReceive, a); + errno=0; + int rc = poll(&aFDs[0], RT_ELEMENTS(aFDs), -1 /* infinite */); + + /* this might have changed in the meantime */ + if (pThread->enmState != PDMTHREADSTATE_RUNNING) + break; + + STAM_PROFILE_ADV_START(&pThis->StatReceive, a); + if ( rc > 0 + && (aFDs[0].revents & (POLLIN | POLLPRI)) + && !aFDs[1].revents) + { + /* + * Read the frame. + */ + char achBuf[16384]; + ssize_t cbRead = 0; + cbRead = vdeplughdl.vde_recv(pThis->vdeconn, achBuf, sizeof(achBuf), 0); + if (cbRead >= 0) + { + /* + * Wait for the device to have space for this frame. + * Most guests use frame-sized receive buffers, hence non-zero cbMax + * automatically means there is enough room for entire frame. Some + * guests (eg. Solaris) use large chains of small receive buffers + * (each 128 or so bytes large). We will still start receiving as soon + * as cbMax is non-zero because: + * - it would be quite expensive for pfnCanReceive to accurately + * determine free receive buffer space + * - if we were waiting for enough free buffers, there is a risk + * of deadlocking because the guest could be waiting for a receive + * overflow error to allocate more receive buffers + */ + STAM_PROFILE_ADV_STOP(&pThis->StatReceive, a); + int rc = pThis->pPort->pfnWaitReceiveAvail(pThis->pPort, RT_INDEFINITE_WAIT); + + STAM_PROFILE_ADV_START(&pThis->StatReceive, a); + + /* + * A return code != VINF_SUCCESS means that we were woken up during a VM + * state transistion. Drop the packet and wait for the next one. + */ + if (RT_FAILURE(rc)) + continue; + + /* + * Pass the data up. + */ +#ifdef LOG_ENABLED + uint64_t u64Now = RTTimeProgramNanoTS(); + LogFlow(("drvVDEAsyncIoThread: %-4d bytes at %llu ns deltas: r=%llu t=%llu\n", + cbRead, u64Now, u64Now - pThis->u64LastReceiveTS, u64Now - pThis->u64LastTransferTS)); + pThis->u64LastReceiveTS = u64Now; +#endif + Log2(("drvVDEAsyncIoThread: cbRead=%#x\n" "%.*Rhxd\n", cbRead, cbRead, achBuf)); + STAM_COUNTER_INC(&pThis->StatPktRecv); + STAM_COUNTER_ADD(&pThis->StatPktRecvBytes, cbRead); + rc = pThis->pPort->pfnReceive(pThis->pPort, achBuf, cbRead); + AssertRC(rc); + } + else + { + LogFlow(("drvVDEAsyncIoThread: RTFileRead -> %Rrc\n", rc)); + if (rc == VERR_INVALID_HANDLE) + break; + RTThreadYield(); + } + } + else if ( rc > 0 + && aFDs[1].revents) + { + LogFlow(("drvVDEAsyncIoThread: Control message: enmState=%d revents=%#x\n", pThread->enmState, aFDs[1].revents)); + if (aFDs[1].revents & (POLLHUP | POLLERR | POLLNVAL)) + break; + + /* drain the pipe */ + char ch; + size_t cbRead; + RTFileRead(pThis->PipeRead, &ch, 1, &cbRead); + } + else + { + /* + * poll() failed for some reason. Yield to avoid eating too much CPU. + * + * EINTR errors have been seen frequently. They should be harmless, even + * if they are not supposed to occur in our setup. + */ + if (errno == EINTR) + Log(("rc=%d revents=%#x,%#x errno=%p %s\n", rc, aFDs[0].revents, aFDs[1].revents, errno, strerror(errno))); + else + AssertMsgFailed(("rc=%d revents=%#x,%#x errno=%p %s\n", rc, aFDs[0].revents, aFDs[1].revents, errno, strerror(errno))); + RTThreadYield(); + } + } + + + LogFlow(("drvVDEAsyncIoThread: returns %Rrc\n", VINF_SUCCESS)); + STAM_PROFILE_ADV_STOP(&pThis->StatReceive, a); + return VINF_SUCCESS; +} + + +/** + * Unblock the send thread so it can respond to a state change. + * + * @returns VBox status code. + * @param pDevIns The pcnet device instance. + * @param pThread The send thread. + */ +static DECLCALLBACK(int) drvVDEAsyncIoWakeup(PPDMDRVINS pDrvIns, PPDMTHREAD pThread) +{ + PDRVVDE pThis = PDMINS_2_DATA(pDrvIns, PDRVVDE); + + int rc = RTFileWrite(pThis->PipeWrite, "", 1, NULL); + AssertRC(rc); + + return VINF_SUCCESS; +} + + +/** + * Queries an interface to the driver. + * + * @returns Pointer to interface. + * @returns NULL if the interface was not supported by the driver. + * @param pInterface Pointer to this interface structure. + * @param enmInterface The requested interface identification. + * @thread Any thread. + */ +static DECLCALLBACK(void *) drvVDEQueryInterface(PPDMIBASE pInterface, PDMINTERFACE enmInterface) +{ + PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface); + PDRVVDE pThis = PDMINS_2_DATA(pDrvIns, PDRVVDE); + switch (enmInterface) + { + case PDMINTERFACE_BASE: + return &pDrvIns->IBase; + case PDMINTERFACE_NETWORK_CONNECTOR: + return &pThis->INetworkConnector; + default: + return NULL; + } +} + + +/** + * Destruct a driver instance. + * + * Most VM resources are freed by the VM. This callback is provided so that any non-VM + * resources can be freed correctly. + * + * @param pDrvIns The driver instance data. + */ +static DECLCALLBACK(void) drvVDEDestruct(PPDMDRVINS pDrvIns) +{ + LogFlow(("drvVDEDestruct\n")); + PDRVVDE pThis = PDMINS_2_DATA(pDrvIns, PDRVVDE); + + /* + * Terminate the control pipe. + */ + if (pThis->PipeWrite != NIL_RTFILE) + { + int rc = RTFileClose(pThis->PipeWrite); + AssertRC(rc); + pThis->PipeWrite = NIL_RTFILE; + } + if (pThis->PipeRead != NIL_RTFILE) + { + int rc = RTFileClose(pThis->PipeRead); + AssertRC(rc); + pThis->PipeRead = NIL_RTFILE; + } + + MMR3HeapFree(pThis->pszDeviceName); + MMR3HeapFree(pThis->pszSetupApplication); + MMR3HeapFree(pThis->pszTerminateApplication); + +#ifdef VBOX_WITH_STATISTICS + /* + * Deregister statistics. + */ + PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->StatPktSent); + PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->StatPktSentBytes); + PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->StatPktRecv); + PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->StatPktRecvBytes); + PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->StatTransmit); + PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->StatReceive); +#endif /* VBOX_WITH_STATISTICS */ +} + + +/** + * Construct a VDE network transport driver instance. + * + * @copydoc FNPDMDRVCONSTRUCT + */ +static DECLCALLBACK(int) drvVDEConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfgHandle, uint32_t fFlags) +{ + PDRVVDE pThis = PDMINS_2_DATA(pDrvIns, PDRVVDE); + + /* + * Init the static parts. + */ + pThis->pDrvIns = pDrvIns; + pThis->pszDeviceName = NULL; + pThis->pszSetupApplication = NULL; + pThis->pszTerminateApplication = NULL; + + /* IBase */ + pDrvIns->IBase.pfnQueryInterface = drvVDEQueryInterface; + /* INetwork */ + pThis->INetworkConnector.pfnSend = drvVDESend; + pThis->INetworkConnector.pfnSetPromiscuousMode = drvVDESetPromiscuousMode; + pThis->INetworkConnector.pfnNotifyLinkChanged = drvVDENotifyLinkChanged; + + if (!CFGMR3AreValuesValid(pCfgHandle, + "Network\0" + "Trunk\0" + "TrunkType\0" + "ReceiveBufferSize\0" + "SendBufferSize\0" + "RestrictAccess\0" + "SharedMacOnWire\0" + "IgnoreAllPromisc\0" + "QuietlyIgnoreAllPromisc\0" + "IgnoreClientPromisc\0" + "QuietlyIgnoreClientPromisc\0" + "IgnoreTrunkWirePromisc\0" + "QuietlyIgnoreTrunkWirePromisc\0" + "IgnoreTrunkHostPromisc\0" + "QuietlyIgnoreTrunkHostPromisc\0" + "IsService\0")) + return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES; + + /* + * Query the network port interface. + */ + pThis->pPort = (PPDMINETWORKPORT)pDrvIns->pUpBase->pfnQueryInterface(pDrvIns->pUpBase, PDMINTERFACE_NETWORK_PORT); + if (!pThis->pPort) + { + AssertMsgFailed(("Configuration error: the above device/driver didn't export the network port interface!\n")); + return VERR_PDM_MISSING_INTERFACE_ABOVE; + } + + char szNetwork[PATH_MAX]; /* PATH_MAX */ + int rc = CFGMR3QueryString(pCfgHandle, "Network", szNetwork, sizeof(szNetwork)); + if (RT_FAILURE(rc)) + *szNetwork=0; + + /* LogRel(("VDEXXXXXX %s\n",szNetwork));*/ + + /* + * Read the configuration. + */ + if (vdeplughdl.dl_handle == NULL) + libvdeplug_dynopen(vdeplughdl); + if (vdeplughdl.dl_handle == NULL) { + return PDMDrvHlpVMSetError(pThis->pDrvIns, VERR_PDM_HIF_OPEN_FAILED, RT_SRC_POS, + N_("VDEplug library: not found")); + } + pThis->vdeconn=vdeplughdl.vde_open(szNetwork,"VirtualBOX",NULL); + if (pThis->vdeconn == NULL) { + return PDMDrvHlpVMSetError(pThis->pDrvIns, VERR_PDM_HIF_OPEN_FAILED, RT_SRC_POS, + N_("Failed to connect to the VDE SWITCH")); + } + + + rc = VINF_SUCCESS; + + /* + * Create the control pipe. + */ + int fds[2]; + if (pipe(&fds[0]) != 0) /** @todo RTPipeCreate() or something... */ + { + int rc = RTErrConvertFromErrno(errno); + AssertRC(rc); + return rc; + } + pThis->PipeRead = fds[0]; + pThis->PipeWrite = fds[1]; + + /* + * Create the async I/O thread. + */ + rc = PDMDrvHlpPDMThreadCreate(pDrvIns, &pThis->pThread, pThis, drvVDEAsyncIoThread, drvVDEAsyncIoWakeup, 128 * _1K, RTTHREADTYPE_IO, "VDE"); + AssertRCReturn(rc, rc); + +#ifdef VBOX_WITH_STATISTICS + /* + * Statistics. + */ + PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatPktSent, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES, "Number of sent packets.", "/Drivers/VDE%d/Packets/Sent", pDrvIns->iInstance); + PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatPktSentBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Number of sent bytes.", "/Drivers/VDE%d/Bytes/Sent", pDrvIns->iInstance); + PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatPktRecv, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES, "Number of received packets.", "/Drivers/VDE%d/Packets/Received", pDrvIns->iInstance); + PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatPktRecvBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Number of received bytes.", "/Drivers/VDE%d/Bytes/Received", pDrvIns->iInstance); + PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatTransmit, STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS, STAMUNIT_TICKS_PER_CALL, "Profiling packet transmit runs.", "/Drivers/VDE%d/Transmit", pDrvIns->iInstance); + PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatReceive, STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS, STAMUNIT_TICKS_PER_CALL, "Profiling packet receive runs.", "/Drivers/VDE%d/Receive", pDrvIns->iInstance); +#endif /* VBOX_WITH_STATISTICS */ + + return rc; +} + + +/** + * VDE network transport driver registration record. + */ +const PDMDRVREG g_DrvVDE = +{ + /* u32Version */ + PDM_DRVREG_VERSION, + /* szDriverName */ + "VDE", + /* pszDescription */ + "VDE Network Transport Driver", + /* fFlags */ + PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT, + /* fClass. */ + PDM_DRVREG_CLASS_NETWORK, + /* cMaxInstances */ + ~0, + /* cbInstance */ + sizeof(DRVVDE), + /* pfnConstruct */ + drvVDEConstruct, + /* pfnDestruct */ + drvVDEDestruct, + /* pfnIOCtl */ + NULL, + /* pfnPowerOn */ + NULL, + /* pfnReset */ + NULL, + /* pfnSuspend */ + NULL, /** @todo Do power on, suspend and resume handlers! */ + /* pfnResume */ + NULL, + /* pfnAttach */ + NULL, + /* pfnDetach */ + NULL, + /* pfnPowerOff */ + NULL, + /* pfnSoftReset */ + NULL, + /* u32EndVersion */ + PDM_DRVREG_VERSION +}; + diff -Naur VirtualBox-3.1.6_OSE/src/VBox/Devices/Network/libvdeplug_dyn.h VirtualBox-3.1.6_OSE_VDE/src/VBox/Devices/Network/libvdeplug_dyn.h --- VirtualBox-3.1.6_OSE/src/VBox/Devices/Network/libvdeplug_dyn.h 1970-01-01 01:00:00.000000000 +0100 +++ VirtualBox-3.1.6_OSE_VDE/src/VBox/Devices/Network/libvdeplug_dyn.h 2010-04-04 10:34:54.000000000 +0200 @@ -0,0 +1,119 @@ +/* + * libvdeplug - A library to connect to a VDE Switch. + * dynamic loading version (requires libdl). + * + * Copyright (C) 2006,2007,2010 Renzo Davoli, University of Bologna + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation version 2.1 of the License, or (at + * your option) any later version. + * + * This library is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser + * General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA + */ + +/* Use this include file when you need to write an application that can + * benefit from vde when available. + * Linking libvdeplug to your programs you force your application users + * to have the library installed (otherway the dynamic linker complies + * and the program does not start). + * + * + * usage: + * define a struct vdepluglib variable; + * eg: + * struct vdepluglib vdeplug; + * + * test the availability of the library and load it: + * + * libvdeplug_dynopen(vdeplug); + * if vdeplug.dl_handle is not NULL the library is ready otherwise it is + * not available in the target system. + * + * if libvdeplug does exist the library function can be called + * in this way: + * vdeplug.vde_open(....) + * vdeplug.vde_read(....) + * vdeplug.vde_open(....) + * vdeplug.vde_recv(....) + * vdeplug.vde_send(....) + * vdeplug.vde_datafd(....) + * vdeplug.vde_ctlfd(....) + * vdeplug.vde_close(....) + * libvdeplug_dynclose(vdeplug) can be used to deallocate the dynamic library + * when needed. + *************************************************/ + +#ifndef _VDEDYNLIB_H +#define _VDEDYNLIB_H +#include +#include +#define LIBVDEPLUG_INTERFACE_VERSION 1 + +struct vdeconn; + +typedef struct vdeconn VDECONN; + +/* Open a VDE connection. + * vde_open_options: + * port: connect to a specific port of the switch (0=any) + * group: change the ownership of the communication port to a specific group + * (NULL=no change) + * mode: set communication port mode (if 0 standard socket mode applies) + */ +struct vde_open_args { + int port; + char *group; + mode_t mode; +}; + +/* vde_open args: + * vde_switch: switch id (path) + * descr: description (it will appear in the port description on the switch) + */ +#define vde_open(vde_switch,descr,open_args) \ + vde_open_real((vde_switch),(descr),LIBVDEPLUG_INTERFACE_VERSION,(open_args)) + +struct vdepluglib { + void *dl_handle; + VDECONN * (*vde_open_real)(const char *vde_switch,char *descr,int interface_version, struct vde_open_args *open_args); + size_t (* vde_recv)(VDECONN *conn,void *buf,size_t len,int flags); + size_t (* vde_send)(VDECONN *conn,const void *buf,size_t len,int flags); + int (* vde_datafd)(VDECONN *conn); + int (* vde_ctlfd)(VDECONN *conn); + int (* vde_close)(VDECONN *conn); +}; + +typedef VDECONN * (* VDE_OPEN_REAL_T)(const char *vde_switch,char *descr,int interface_version, struct vde_open_args *open_args); +typedef size_t (* VDE_RECV_T)(VDECONN *conn,void *buf,size_t len,int flags); +typedef size_t (* VDE_SEND_T)(VDECONN *conn,const void *buf,size_t len,int flags); +typedef int (* VDE_INT_FUN)(VDECONN *conn); +#define libvdeplug_dynopen(x) do { \ + (x).dl_handle=dlopen("libvdeplug.so",RTLD_NOW); \ + if ((x).dl_handle) { \ + (x).vde_open_real=(VDE_OPEN_REAL_T) dlsym((x).dl_handle,"vde_open_real"); \ + (x).vde_recv=(VDE_RECV_T) dlsym((x).dl_handle,"vde_recv"); \ + (x).vde_send=(VDE_SEND_T) dlsym((x).dl_handle,"vde_send"); \ + (x).vde_datafd=(VDE_INT_FUN) dlsym((x).dl_handle,"vde_datafd"); \ + (x).vde_ctlfd=(VDE_INT_FUN) dlsym((x).dl_handle,"vde_ctlfd"); \ + (x).vde_close=(VDE_INT_FUN) dlsym((x).dl_handle,"vde_close"); \ + } else { \ + (x).vde_open_real=NULL; \ + (x).vde_send= NULL; \ + (x).vde_recv= NULL; \ + (x).vde_datafd= (x).vde_ctlfd= (x).vde_close= NULL; \ + }\ + } while (0) + +#define libvdeplug_dynclose(x) do { \ + dlclose((x).dl_handle); \ + } while (0) + +#endif diff -Naur VirtualBox-3.1.6_OSE/src/VBox/Frontends/VirtualBox/src/globals/VBoxGlobal.cpp VirtualBox-3.1.6_OSE_VDE/src/VBox/Frontends/VirtualBox/src/globals/VBoxGlobal.cpp --- VirtualBox-3.1.6_OSE/src/VBox/Frontends/VirtualBox/src/globals/VBoxGlobal.cpp 2010-03-25 20:56:15.000000000 +0100 +++ VirtualBox-3.1.6_OSE_VDE/src/VBox/Frontends/VirtualBox/src/globals/VBoxGlobal.cpp 2010-04-04 10:18:34.000000000 +0200 @@ -1849,6 +1849,11 @@ else if (type == KNetworkAttachmentType_HostOnly) attType = attType.arg (tr ("Host-only adapter, '%1'", "details report (network)").arg (adapter.GetHostInterface())); + /* ENABLE VDE */ + else if (type == KNetworkAttachmentType_VDE) + attType = attType.arg (tr ("VDE network, '%1'", + "details report (network)").arg (adapter.GetVDENetwork())); + /* /ENABLE VDE */ else attType = attType.arg (vboxGlobal().toString (type)); @@ -2796,6 +2801,10 @@ tr ("Internal Network", "NetworkAttachmentType"); mNetworkAttachmentTypes [KNetworkAttachmentType_HostOnly] = tr ("Host-only Adapter", "NetworkAttachmentType"); + /* ENABLE VDE */ + mNetworkAttachmentTypes [KNetworkAttachmentType_VDE] = + tr ("VDE Adapter", "NetworkAttachmentType"); + /* /ENABLE VDE */ mClipboardTypes [KClipboardMode_Disabled] = tr ("Disabled", "ClipboardType"); diff -Naur VirtualBox-3.1.6_OSE/src/VBox/Frontends/VirtualBox/src/settings/vm/VBoxVMSettingsNetwork.cpp VirtualBox-3.1.6_OSE_VDE/src/VBox/Frontends/VirtualBox/src/settings/vm/VBoxVMSettingsNetwork.cpp --- VirtualBox-3.1.6_OSE/src/VBox/Frontends/VirtualBox/src/settings/vm/VBoxVMSettingsNetwork.cpp 2010-03-25 20:56:16.000000000 +0100 +++ VirtualBox-3.1.6_OSE_VDE/src/VBox/Frontends/VirtualBox/src/settings/vm/VBoxVMSettingsNetwork.cpp 2010-04-04 10:18:34.000000000 +0200 @@ -103,6 +103,12 @@ mHoiName = mAdapter.GetHostInterface(); if (mHoiName.isEmpty()) mHoiName = QString::null; break; + /* ENABLE VDE */ + case KNetworkAttachmentType_VDE: + mVDEName = mAdapter.GetVDENetwork(); + if (mVDEName.isEmpty()) mVDEName = QString::null; + break; + /* /ENABLE VDE */ default: break; } @@ -143,6 +149,12 @@ mAdapter.SetHostInterface (alternativeName()); mAdapter.AttachToHostOnlyInterface(); break; + /* ENABLE VDE */ + case KNetworkAttachmentType_VDE: + mAdapter.SetVDENetwork (alternativeName()); + mAdapter.AttachToVDE(); + break; + /* /ENABLE VDE */ default: break; } @@ -255,6 +267,11 @@ case KNetworkAttachmentType_HostOnly: result = mHoiName; break; + /* ENABLE VDE*/ + case KNetworkAttachmentType_VDE: + result = mVDEName; + break; + /* /ENABLE VDE*/ default: break; } @@ -331,6 +348,13 @@ mCbAdapterName->insertItems (0, mParent->hoiList()); mCbAdapterName->setEditable (false); break; + /* ENABLE VDE */ + case KNetworkAttachmentType_VDE: + mCbAdapterName->insertItem(0, alternativeName()); + mCbAdapterName->setEditable (true); + mCbAdapterName->setCompleter (0); + break; + /* /ENABLE VDE */ default: break; } @@ -430,6 +454,20 @@ mHoiName = newName; break; } + /* ENABLE VDE */ + case KNetworkAttachmentType_VDE: + { + QString newName ((mCbAdapterName->itemData (mCbAdapterName->currentIndex()).toString() == + QString (emptyItemCode) && + mCbAdapterName->currentText() == + mCbAdapterName->itemText (mCbAdapterName->currentIndex())) || + mCbAdapterName->currentText().isEmpty() ? + QString::null : mCbAdapterName->currentText()); + if (mVDEName != newName) + mVDEName = newName; + break; + } + /* /ENABLE VDE */ default: break; } @@ -546,6 +584,14 @@ KNetworkAttachmentType_HostOnly); mCbAttachmentType->setItemData (4, mCbAttachmentType->itemText (4), Qt::ToolTipRole); + /* ENABLE VDE */ + mCbAttachmentType->insertItem (5, + vboxGlobal().toString (KNetworkAttachmentType_VDE)); + mCbAttachmentType->setItemData (5, + KNetworkAttachmentType_VDE); + mCbAttachmentType->setItemData (5, + mCbAttachmentType->itemText (5), Qt::ToolTipRole); + /* /ENABLE VDE */ /* Set the old value */ mCbAttachmentType->setCurrentIndex (currentAttachment); diff -Naur VirtualBox-3.1.6_OSE/src/VBox/Frontends/VirtualBox/src/settings/vm/VBoxVMSettingsNetwork.h VirtualBox-3.1.6_OSE_VDE/src/VBox/Frontends/VirtualBox/src/settings/vm/VBoxVMSettingsNetwork.h --- VirtualBox-3.1.6_OSE/src/VBox/Frontends/VirtualBox/src/settings/vm/VBoxVMSettingsNetwork.h 2010-03-25 20:56:16.000000000 +0100 +++ VirtualBox-3.1.6_OSE_VDE/src/VBox/Frontends/VirtualBox/src/settings/vm/VBoxVMSettingsNetwork.h 2010-04-04 10:18:34.000000000 +0200 @@ -76,6 +76,9 @@ QString mBrgName; QString mIntName; QString mHoiName; + /* ENABLE VDE */ + QString mVDEName; + /* /ENABLE VDE */ bool mPolished; bool mDisableStaticControls; @@ -92,6 +95,7 @@ QStringList brgList (bool aRefresh = false); QStringList intList (bool aRefresh = false); QStringList hoiList (bool aRefresh = false); + QStringList vdeList (bool aRefresh = false); protected: diff -Naur VirtualBox-3.1.6_OSE/src/VBox/Frontends/VirtualBox/src/settings/vm/VBoxVMSettingsNetwork.ui VirtualBox-3.1.6_OSE_VDE/src/VBox/Frontends/VirtualBox/src/settings/vm/VBoxVMSettingsNetwork.ui --- VirtualBox-3.1.6_OSE/src/VBox/Frontends/VirtualBox/src/settings/vm/VBoxVMSettingsNetwork.ui 2010-03-25 20:56:16.000000000 +0100 +++ VirtualBox-3.1.6_OSE_VDE/src/VBox/Frontends/VirtualBox/src/settings/vm/VBoxVMSettingsNetwork.ui 2010-04-04 10:18:34.000000000 +0200 @@ -110,7 +110,7 @@ - Selects the name of the network adapter for <b>Bridged Adapter</b> or <b>Host-only Adapter</b> attachments and the name of the network <b>Internal Network</b> attachments. + Selects the name of the network adapter for <b>Bridged Adapter</b> or <b>Host-only Adapter</b> attachments and the name of the network <b>Internal Network</b> or the switch for <b>VDE</b> attachments. diff -Naur VirtualBox-3.1.6_OSE/src/VBox/Main/cbinding/VBoxCAPI_v3_0.h VirtualBox-3.1.6_OSE_VDE/src/VBox/Main/cbinding/VBoxCAPI_v3_0.h --- VirtualBox-3.1.6_OSE/src/VBox/Main/cbinding/VBoxCAPI_v3_0.h 2010-03-25 20:56:39.000000000 +0100 +++ VirtualBox-3.1.6_OSE_VDE/src/VBox/Main/cbinding/VBoxCAPI_v3_0.h 2010-04-04 10:18:33.000000000 +0200 @@ -1657,6 +1657,7 @@ NetworkAttachmentType_Bridged = 2, NetworkAttachmentType_Internal = 3, NetworkAttachmentType_HostOnly = 4 + NetworkAttachmentType_VDE = 5 }; /* End of enum NetworkAttachmentType Declaration */ @@ -4500,6 +4501,11 @@ nsresult (*GetNATNetwork)(INetworkAdapter *pThis, PRUnichar * *NATNetwork); nsresult (*SetNATNetwork)(INetworkAdapter *pThis, PRUnichar * NATNetwork); + /* ENABLE VDE */ + nsresult (*GetVDENetwork)(INetworkAdapter *pThis, PRUnichar * *NATNetwork); + nsresult (*SetVDENetwork)(INetworkAdapter *pThis, PRUnichar * NATNetwork); + /* /ENABLE VDE */ + nsresult (*GetCableConnected)(INetworkAdapter *pThis, PRBool *cableConnected); nsresult (*SetCableConnected)(INetworkAdapter *pThis, PRBool cableConnected); diff -Naur VirtualBox-3.1.6_OSE/src/VBox/Main/ConsoleImpl2.cpp VirtualBox-3.1.6_OSE_VDE/src/VBox/Main/ConsoleImpl2.cpp --- VirtualBox-3.1.6_OSE/src/VBox/Main/ConsoleImpl2.cpp 2010-03-25 20:56:37.000000000 +0100 +++ VirtualBox-3.1.6_OSE_VDE/src/VBox/Main/ConsoleImpl2.cpp 2010-04-04 10:18:32.000000000 +0200 @@ -2798,6 +2798,29 @@ break; } + /* ENABLE VDE */ + case NetworkAttachmentType_VDE: + { + hrc = aNetworkAdapter->COMGETTER(VDENetwork)(&str); H(); +#if 0 + if (str) { + Utf8Str strUtf8 = str; + LogRel(("VDE Network %s\n",(char *)strUtf8.raw())); + } +#endif + rc = CFGMR3InsertNode(pInst, "LUN#0", &pLunL0); RC_CHECK(); + rc = CFGMR3InsertString(pLunL0, "Driver", "VDE"); RC_CHECK(); + rc = CFGMR3InsertNode(pLunL0, "Config", &pCfg); RC_CHECK(); + if (str && *str) { + rc = CFGMR3InsertStringW(pCfg, "Network", str); RC_CHECK(); + networkName = str; + } + rc = CFGMR3InsertInteger(pCfg, "TrunkType", kIntNetTrunkType_WhateverNone); RC_CHECK(); + STR_FREE(); + break; + } + /* /ENABLE VDE */ + default: AssertMsgFailed(("should not get here!\n")); break; diff -Naur VirtualBox-3.1.6_OSE/src/VBox/Main/idl/VirtualBox.xidl VirtualBox-3.1.6_OSE_VDE/src/VBox/Main/idl/VirtualBox.xidl --- VirtualBox-3.1.6_OSE/src/VBox/Main/idl/VirtualBox.xidl 2010-03-25 20:56:40.000000000 +0100 +++ VirtualBox-3.1.6_OSE_VDE/src/VBox/Main/idl/VirtualBox.xidl 2010-04-04 10:18:33.000000000 +0200 @@ -11240,6 +11240,9 @@ + + + + + + + Name of the VDE switch the VM is attached to. + + + + Flag whether the adapter reports the cable as connected or not. @@ -11393,6 +11404,14 @@ + + + + Attach the network adapter to a VDE network. + + + + Detach the network adapter diff -Naur VirtualBox-3.1.6_OSE/src/VBox/Main/include/NetworkAdapterImpl.h VirtualBox-3.1.6_OSE_VDE/src/VBox/Main/include/NetworkAdapterImpl.h --- VirtualBox-3.1.6_OSE/src/VBox/Main/include/NetworkAdapterImpl.h 2010-03-25 20:56:41.000000000 +0100 +++ VirtualBox-3.1.6_OSE_VDE/src/VBox/Main/include/NetworkAdapterImpl.h 2010-04-04 10:18:33.000000000 +0200 @@ -49,6 +49,9 @@ mCableConnected(TRUE), mLineSpeed(0), mTraceEnabled(FALSE), mHostInterface("") /* cannot be null */, mNATNetwork("") /* cannot be null */ + /* ENABLE VDE */ + , mVDENetwork("") /* can be null */ + /* /ENABLE VDE */ {} bool operator== (const Data &that) const @@ -63,6 +66,9 @@ mTraceEnabled == that.mTraceEnabled && mHostInterface == that.mHostInterface && mInternalNetwork == that.mInternalNetwork && + /* ENABLE VDE */ + mVDENetwork == that.mVDENetwork && + /* /ENABLE VDE */ mNATNetwork == that.mNATNetwork); } @@ -78,6 +84,9 @@ Bstr mHostInterface; Bstr mInternalNetwork; Bstr mNATNetwork; + /* ENABLE VDE */ + Bstr mVDENetwork; + /* /ENABLE VDE */ }; VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT (NetworkAdapter) @@ -118,6 +127,10 @@ STDMETHOD(COMSETTER(InternalNetwork)) (IN_BSTR aInternalNetwork); STDMETHOD(COMGETTER(NATNetwork)) (BSTR *aNATNetwork); STDMETHOD(COMSETTER(NATNetwork)) (IN_BSTR aNATNetwork); + /* ENABLE VDE */ + STDMETHOD(COMGETTER(VDENetwork)) (BSTR *aVDENetwork); + STDMETHOD(COMSETTER(VDENetwork)) (IN_BSTR aVDENetwork); + /* /ENABLE VDE */ STDMETHOD(COMGETTER(CableConnected)) (BOOL *aConnected); STDMETHOD(COMSETTER(CableConnected)) (BOOL aConnected); STDMETHOD(COMGETTER(TraceEnabled)) (BOOL *aEnabled); @@ -132,6 +145,9 @@ STDMETHOD(AttachToBridgedInterface)(); STDMETHOD(AttachToInternalNetwork)(); STDMETHOD(AttachToHostOnlyInterface)(); + /* ENABLE VDE */ + STDMETHOD(AttachToVDE)(); + /* /ENABLE VDE */ STDMETHOD(Detach)(); // public methods only for internal purposes diff -Naur VirtualBox-3.1.6_OSE/src/VBox/Main/NetworkAdapterImpl.cpp VirtualBox-3.1.6_OSE_VDE/src/VBox/Main/NetworkAdapterImpl.cpp --- VirtualBox-3.1.6_OSE/src/VBox/Main/NetworkAdapterImpl.cpp 2010-03-25 20:56:38.000000000 +0100 +++ VirtualBox-3.1.6_OSE_VDE/src/VBox/Main/NetworkAdapterImpl.cpp 2010-04-04 10:18:33.000000000 +0200 @@ -532,6 +532,52 @@ return S_OK; } +/* ENABLE VDE */ +STDMETHODIMP NetworkAdapter::COMGETTER(VDENetwork) (BSTR *aVDENetwork) +{ + CheckComArgOutPointerValid(aVDENetwork); + + AutoCaller autoCaller(this); + CheckComRCReturnRC(autoCaller.rc()); + + AutoReadLock alock(this); + + mData->mVDENetwork.cloneTo(aVDENetwork); + + return S_OK; +} + +STDMETHODIMP NetworkAdapter::COMSETTER(VDENetwork) (IN_BSTR aVDENetwork) +{ + Bstr bstrEmpty(""); + if (!aVDENetwork) + aVDENetwork = bstrEmpty; + + AutoCaller autoCaller(this); + CheckComRCReturnRC(autoCaller.rc()); + + /* the machine needs to be mutable */ + Machine::AutoMutableStateDependency adep (mParent); + CheckComRCReturnRC(adep.rc()); + + AutoWriteLock alock(this); + + if (mData->mVDENetwork != aVDENetwork) + { + mData.backup(); + mData->mVDENetwork = aVDENetwork; + + /* leave the lock before informing callbacks */ + alock.unlock(); + + mParent->onNetworkAdapterChange (this, FALSE); + } + + return S_OK; +} + +/* /ENABLE VDE */ + STDMETHODIMP NetworkAdapter::COMGETTER(CableConnected) (BOOL *aConnected) { CheckComArgOutPointerValid(aConnected); @@ -864,6 +910,51 @@ return S_OK; } +/* ENABLE VDE */ +STDMETHODIMP NetworkAdapter::AttachToVDE() +{ + AutoCaller autoCaller(this); + CheckComRCReturnRC(autoCaller.rc()); + + /* the machine needs to be mutable */ + Machine::AutoMutableStateDependency adep (mParent); + CheckComRCReturnRC(adep.rc()); + + AutoWriteLock alock(this); + + /* don't do anything if we're already host interface attached */ + if (mData->mAttachmentType != NetworkAttachmentType_VDE) + { + mData.backup(); + + /* first detach the current attachment */ + // Commented this for now as it reset the parameter mData->mHostInterface + // which is essential while changing the Attachment dynamically. + //detach(); + + mData->mAttachmentType = NetworkAttachmentType_VDE; + + /* leave the lock before informing callbacks */ + alock.unlock(); + + HRESULT rc = mParent->onNetworkAdapterChange (this, TRUE); + if (FAILED (rc)) + { + /* If changing the attachment failed then we can't assume + * that the previous attachment will attach correctly + * and thus return error along with dettaching all + * attachments. + */ + Detach(); + return rc; + } + } + + return S_OK; +} + +/* /ENABLE VDE */ + STDMETHODIMP NetworkAdapter::Detach() { AutoCaller autoCaller(this); @@ -966,6 +1057,15 @@ CheckComRCReturnRC(rc); break; + /* ENABLE VDE */ + case NetworkAttachmentType_VDE: + mData->mVDENetwork = data.strName; + rc = AttachToVDE(); + CheckComRCReturnRC(rc); + break; + /* ENABLE VDE */ + + case NetworkAttachmentType_Null: rc = Detach(); CheckComRCReturnRC(rc); @@ -1024,6 +1124,10 @@ case NetworkAttachmentType_HostOnly: data.strName = mData->mHostInterface; break; + + case NetworkAttachmentType_VDE: + data.strName = mData->mVDENetwork; + break; } return S_OK; diff -Naur VirtualBox-3.1.6_OSE/src/VBox/Main/xml/Settings.cpp VirtualBox-3.1.6_OSE_VDE/src/VBox/Main/xml/Settings.cpp --- VirtualBox-3.1.6_OSE/src/VBox/Main/xml/Settings.cpp 2010-03-25 20:56:45.000000000 +0100 +++ VirtualBox-3.1.6_OSE_VDE/src/VBox/Main/xml/Settings.cpp 2010-04-04 10:18:33.000000000 +0200 @@ -1371,6 +1371,13 @@ if (!pelmAdapterChild->getAttributeValue("name", nic.strName)) // required network name throw ConfigFileError(this, pelmAdapterChild, N_("Required HostOnlyInterface/@name element is missing")); } + /* ENABLE VDE */ + else if ((pelmAdapterChild = pelmAdapter->findChildElement("VDE"))) + { + nic.mode = NetworkAttachmentType_VDE; + pelmAdapterChild->getAttributeValue("network", nic.strName); // optional network name + } + /* /ENABLE VDE */ // else: default is NetworkAttachmentType_Null ll.push_back(nic); @@ -2701,6 +2708,13 @@ pelmAdapter->createChild("HostOnlyInterface")->setAttribute("name", nic.strName); break; + /* ENABLE VDE */ + case NetworkAttachmentType_VDE: + pelmNAT = pelmAdapter->createChild("VDE"); + if (nic.strName.length()) + pelmNAT->setAttribute("network", nic.strName); + /* /ENABLE VDE */ + default: /*case NetworkAttachmentType_Null:*/ break; } vde2-2.3.2+r586/doc/bochs/0000755000000000000000000000000013614540472011615 5ustar vde2-2.3.2+r586/doc/bochs/eth.cc.diff0000644000000000000000000000051113614540472013610 0ustar 72a73,75 > #if HAVE_VDE > extern class bx_vde_locator_c bx_vde_match; > #endif 126a130,135 > #if HAVE_VDE > { > if (!strcmp(type, "vde")) > ptr = (eth_locator_c *) &bx_vde_match; > } > #endif 152c161 < #if (HAVE_ETHERTAP==1) || (HAVE_TUNTAP==1) --- > #if (HAVE_ETHERTAP==1) || (HAVE_TUNTAP==1) || (HAVE_VDE==1) vde2-2.3.2+r586/doc/bochs/eth_vde.cc0000644000000000000000000002427713614540472013556 0ustar ///////////////////////////////////////////////////////////////////////// // $Id: eth_vde.cc 253 2008-03-10 09:21:28Z garden $ ///////////////////////////////////////////////////////////////////////// // // Copyright (C) 2003 Renzo Davoli // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA // eth_vde.cc - Virtual Distributed Ethernet interface by Renzo Davoli // // Define BX_PLUGGABLE in files that can be compiled into plugins. For // platforms that require a special tag on exported symbols, BX_PLUGGABLE // is used to know when we are exporting symbols and when we are importing. #define BX_PLUGGABLE #include "bochs.h" #if BX_NE2K_SUPPORT #define LOG_THIS bx_devices.pluginNE2kDevice-> #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define SWITCH_MAGIC 0xfeedface //#define VDE_VIRTUAL_HW_ADDR 0xDEADBEEF #define BX_ETH_VDE_LOGGING 0 #define BX_PACKET_BUFSIZ 2048 // Enough for an ether frame int vde_alloc(char *dev,int *fdp,struct sockaddr_un *pdataout); // // Define the class. This is private to this module // class bx_vde_pktmover_c : public eth_pktmover_c { public: bx_vde_pktmover_c(const char *netif, const char *macaddr, eth_rx_handler_t rxh, void *rxarg); void sendpkt(void *buf, unsigned io_len); private: int fd; int rx_timer_index; static void rx_timer_handler(void *); void rx_timer (); FILE *txlog, *txlog_txt, *rxlog, *rxlog_txt; int fddata; struct sockaddr_un dataout; }; // // Define the static class that registers the derived pktmover class, // and allocates one on request. // class bx_vde_locator_c : public eth_locator_c { public: bx_vde_locator_c(void) : eth_locator_c("vde") {} protected: eth_pktmover_c *allocate(const char *netif, const char *macaddr, eth_rx_handler_t rxh, void *rxarg) { return (new bx_vde_pktmover_c(netif, macaddr, rxh, rxarg)); } } bx_vde_match; // // Define the methods for the bx_vde_pktmover derived class // // the constructor bx_vde_pktmover_c::bx_vde_pktmover_c(const char *netif, const char *macaddr, eth_rx_handler_t rxh, void *rxarg) { int flags; //if (strncmp (netif, "vde", 3) != 0) { // BX_PANIC (("eth_vde: interface name (%s) must be vde", netif)); //} char intname[IFNAMSIZ]; if (netif == NULL || strcmp(netif,"") == 0) strcpy(intname,"/tmp/vde.ctl"); else strcpy(intname,netif); fd=vde_alloc(intname,&fddata,&dataout); if (fd < 0) { BX_PANIC (("open failed on %s: %s", netif, strerror (errno))); return; } /* set O_ASYNC flag so that we can poll with read() */ if ((flags = fcntl( fd, F_GETFL)) < 0) { BX_PANIC (("getflags on vde device: %s", strerror (errno))); } flags |= O_NONBLOCK; if (fcntl( fd, F_SETFL, flags ) < 0) { BX_PANIC (("set vde device flags: %s", strerror (errno))); } BX_INFO (("eth_vde: opened %s device", netif)); /* Execute the configuration script */ char *scriptname=bx_options.ne2k.Oscript->getptr(); if((scriptname != NULL) &&(strcmp(scriptname, "") != 0) &&(strcmp(scriptname, "none") != 0)) { if (execute_script(scriptname, intname) < 0) BX_ERROR (("execute script '%s' on %s failed", scriptname, intname)); } // Start the rx poll this->rx_timer_index = bx_pc_system.register_timer(this, this->rx_timer_handler, 1000, 1, 1, "eth_vde"); // continuous, active this->rxh = rxh; this->rxarg = rxarg; #if BX_ETH_VDE_LOGGING // eventually Bryce wants txlog to dump in pcap format so that // tcpdump -r FILE can read it and interpret packets. txlog = fopen ("ne2k-tx.log", "wb"); if (!txlog) BX_PANIC (("open ne2k-tx.log failed")); txlog_txt = fopen ("ne2k-txdump.txt", "wb"); if (!txlog_txt) BX_PANIC (("open ne2k-txdump.txt failed")); fprintf (txlog_txt, "vde packetmover readable log file\n"); fprintf (txlog_txt, "net IF = %s\n", netif); fprintf (txlog_txt, "MAC address = "); for (int i=0; i<6; i++) fprintf (txlog_txt, "%02x%s", 0xff & macaddr[i], i<5?":" : ""); fprintf (txlog_txt, "\n--\n"); fflush (txlog_txt); rxlog = fopen ("ne2k-rx.log", "wb"); if (!rxlog) BX_PANIC (("open ne2k-rx.log failed")); rxlog_txt = fopen ("ne2k-rxdump.txt", "wb"); if (!rxlog_txt) BX_PANIC (("open ne2k-rxdump.txt failed")); fprintf (rxlog_txt, "vde packetmover readable log file\n"); fprintf (rxlog_txt, "net IF = %s\n", netif); fprintf (rxlog_txt, "MAC address = "); for (int i=0; i<6; i++) fprintf (rxlog_txt, "%02x%s", 0xff & macaddr[i], i<5?":" : ""); fprintf (rxlog_txt, "\n--\n"); fflush (rxlog_txt); #endif } void bx_vde_pktmover_c::sendpkt(void *buf, unsigned io_len) { unsigned int size; //size = write (fd, buf, io_len); //size=send(fd,buf,io_len,0); size=sendto(fddata,buf,io_len,0,(struct sockaddr *) &dataout, sizeof(struct sockaddr_un)); if (size != io_len) { BX_PANIC (("write on vde device: %s", strerror (errno))); } else { BX_INFO (("wrote %d bytes on vde", io_len)); } #if BX_ETH_VDE_LOGGING BX_DEBUG (("sendpkt length %u", io_len)); // dump raw bytes to a file, eventually dump in pcap format so that // tcpdump -r FILE can interpret them for us. int n = fwrite (buf, io_len, 1, txlog); if (n != 1) BX_ERROR (("fwrite to txlog failed", io_len)); // dump packet in hex into an ascii log file fprintf (txlog_txt, "NE2K transmitting a packet, length %u\n", io_len); Bit8u *charbuf = (Bit8u *)buf; for (n=0; n0) fprintf (txlog_txt, "\n"); fprintf (txlog_txt, "%02x ", charbuf[n]); } fprintf (txlog_txt, "\n--\n"); // flush log so that we see the packets as they arrive w/o buffering fflush (txlog); fflush (txlog_txt); #endif } void bx_vde_pktmover_c::rx_timer_handler (void *this_ptr) { bx_vde_pktmover_c *class_ptr = (bx_vde_pktmover_c *) this_ptr; class_ptr->rx_timer(); } void bx_vde_pktmover_c::rx_timer () { int nbytes; Bit8u buf[BX_PACKET_BUFSIZ]; Bit8u *rxbuf; struct sockaddr_un datain; socklen_t datainsize; datainsize=sizeof(datain); if (fd<0) return; //nbytes = read (fd, buf, sizeof(buf)); nbytes=recvfrom(fddata,buf,sizeof(buf),MSG_DONTWAIT|MSG_WAITALL,(struct sockaddr *) &datain, &datainsize); rxbuf=buf; // hack: TUN/TAP device likes to create an ethernet header which has // the same source and destination address FE:FD:00:00:00:00. // Change the dest address to FE:FD:00:00:00:01. rxbuf[5] = 1; if (nbytes>0) BX_INFO (("vde read returned %d bytes", nbytes)); if (nbytes<0) { if (errno != EAGAIN) BX_ERROR (("vde read error: %s", strerror(errno))); return; } #if BX_ETH_VDE_LOGGING if (nbytes > 0) { BX_DEBUG (("receive packet length %u", nbytes)); // dump raw bytes to a file, eventually dump in pcap format so that // tcpdump -r FILE can interpret them for us. int n = fwrite (rxbuf, nbytes, 1, rxlog); if (n != 1) BX_ERROR (("fwrite to rxlog failed", nbytes)); // dump packet in hex into an ascii log file fprintf (rxlog_txt, "NE2K received a packet, length %u\n", nbytes); for (n=0; n0) fprintf (rxlog_txt, "\n"); fprintf (rxlog_txt, "%02x ", rxbuf[n]); } fprintf (rxlog_txt, "\n--\n"); // flush log so that we see the packets as they arrive w/o buffering fflush (rxlog); fflush (rxlog_txt); } #endif BX_DEBUG(("eth_vde: got packet: %d bytes, dst=%x:%x:%x:%x:%x:%x, src=%x:%x:%x:%x:%x:%x\n", nbytes, rxbuf[0], rxbuf[1], rxbuf[2], rxbuf[3], rxbuf[4], rxbuf[5], rxbuf[6], rxbuf[7], rxbuf[8], rxbuf[9], rxbuf[10], rxbuf[11])); if (nbytes < 60) { BX_INFO (("packet too short (%d), padding to 60", nbytes)); nbytes = 60; } (*rxh)(rxarg, rxbuf, nbytes); } //enum request_type { REQ_NEW_CONTROL }; #define REQ_NEW_CONTROL 0 struct request_v3 { uint32_t magic; uint32_t version; //enum request_type type; int type; struct sockaddr_un sock; }; static int send_fd(char *name, int fddata, struct sockaddr_un *datasock, int group) { int pid = getpid(); struct request_v3 req; int fdctl; struct sockaddr_un sock; if((fdctl = socket(AF_UNIX, SOCK_STREAM, 0)) < 0){ perror("socket"); return(-1); } sock.sun_family = AF_UNIX; snprintf(sock.sun_path, sizeof(sock.sun_path), "%s", name); if(connect(fdctl, (struct sockaddr *) &sock, sizeof(sock))){ perror("connect"); return(-1); } req.magic=SWITCH_MAGIC; req.version=3; req.type=((int)REQ_NEW_CONTROL)+((group > 0)?((geteuid()<<8) + group) << 8:0); req.sock.sun_family=AF_UNIX; memset(req.sock.sun_path, 0, sizeof(req.sock.sun_path)); sprintf(&req.sock.sun_path[1], "%5d", pid); if(bind(fddata, (struct sockaddr *) &req.sock, sizeof(req.sock)) < 0){ perror("bind"); return(-1); } if (send(fdctl,&req,sizeof(req),0) < 0) { perror("send"); return(-1); } if (recv(fdctl,datasock,sizeof(struct sockaddr_un),0)<0) { perror("recv"); return(-1); } return fdctl; } int vde_alloc(char *dev, int *fdp, struct sockaddr_un *pdataout) { //struct ifreq ifr; int fd, err; int fddata; if((fddata = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0){ return -1; } if( (fd = send_fd(dev, fddata, pdataout, 0)) < 0 ) return -1; //memset(&ifr, 0, sizeof(ifr)); *fdp=fddata; return fd; } #endif /* if BX_NE2K_SUPPORT */ vde2-2.3.2+r586/doc/freebsd_tap-HOWTO0000644000000000000000000000141113614540472013613 0ustar HOWTO START VDE WITH TAP BY NON-ROOT USERS (tested on FreeBSD 6.2) - Look at output of "kldstat" for module "if_tap.ko", if you can't find it do "kldload if_tap.ko". Remember to do # echo "if_tap_load=YES" >> /boot/loader.conf to load it automatically at startup. - Allow users to open tap interfaces: # sysctl net.link.tap.user_open=1 Remember to do # echo "net.link.tap.user_open=1" >> /etc/sysctl.conf to enable it automatically at startup. - Adjust devfs rules (assuming your users belong to 'vde' group): # echo "own tapN root:vde" >> /etc/devfs.conf # echo "perm tapN 0660" >> /etc/devfs.conf N is interface number, use tap* if you want the same behaviour for each interface. - Create an interface: # ls /dev/tap0 # /etc/rc.d/devfs restart vde2-2.3.2+r586/doc/libvdemgmt/0000755000000000000000000000000013614540472012651 5ustar vde2-2.3.2+r586/doc/libvdemgmt/asyncrecv.rc0000644000000000000000000000015213614540472015172 0ustar TIMEOUT 1000 1 IN '\n' 100 2 IF '30' 10 3 GOTO 100 10 COPY 11 SKIP 2 12 RVATOI 8 13 EXITRV 100 EXIT -1 vde2-2.3.2+r586/doc/libvdemgmt/closemachine.rc0000644000000000000000000000003313614540472015625 0ustar 1 SEND 'logout\n' 2 EXIT 0 vde2-2.3.2+r586/doc/libvdemgmt/openmachine.rc0000644000000000000000000000007013614540472015462 0ustar TIMEOUT 1000 1 IN '$ ' 100 2 COPY 3 EXIT 0 100 EXIT -1 vde2-2.3.2+r586/doc/libvdemgmt/sendcmd.rc0000644000000000000000000000063713614540472014622 0ustar TIMEOUT 1000 1 SEND '$*\n' 2 THROW 3 IN '\n' 100 4 IF '30' 10 5 IF '10' 20 6 IF '0000 DATA END WITH \'.\'' 30 7 GOTO 2 10 SKIP 5 11 COPY 13 OUTTAG 3 14 OUTSHIFT 15 GOTO 2 20 SKIP 2 21 RVATOI 22 THROW 23 IN '$ ' 100 24 IF '30' 40 25 EXITRV 30 THROW 31 IN '\n' 100 32 IF '.\n' 35 33 COPY 34 GOTO 30 35 OUTTAG 1 36 OUTSHIFT 37 GOTO 2 40 SKIP 5 41 COPY 42 OUTTAG 3 43 OUTSHIFT 44 SKIP '\n' 45 GOTO 24 100 EXIT -1 vde2-2.3.2+r586/doc/vde_autolink-HOWTO0000644000000000000000000000256513614540472014034 0ustar 1. (non necessario) usare guessnet o similare per configurare in modo automatico le interfacce di rete 2. lanciare vde_switch (spanning tree ON) vde_switch -F -tap tap0 -sock /tmp/test.ctl -M /tmp/test.mgmt 3. lanciare vde_autolink vde_autolink -s /tmp/test.ctl -S /tmp/test.mgmt -M /tmp/test.alink 4. definire il link in vde_autolink (tappo6 e tappo sono due entry di /etc/hosts che ho settato per comodita', ovviamente si possono usare i nomi o gli indirizzi ip) addwire SSH dpipe ssh lbigliar@$remotehost vde_plug = vde_plug -p $myport $mysock addlink VDEUNI tappo6 tappo addtypelink VDEUNI SSH linkonoff VDEUNI 1 5. scriptino di esempio che tira su e giu' l'interfaccia del tunnel (necessita superuser) #!/bin/sh ALINKMGMT="/tmp/test.alink" QUERYCMD="unixtermcmd" UPTUNN="ifup tap0" DOWNTUNN="ifdown tap0" TUNNEL=0 while [ 0 ] do OUTPUT=`$QUERYCMD $ALINKMGMT runninglinks` RET=$? if [ $RET -eq 255 ]; then if [ $TUNNEL -eq 1 ]; then $DOWNTUNN fi exit fi if [ ! $RET -eq 0 ]; then continue fi echo "$OUTPUT" | grep RHOST > /dev/null if [ $? -eq 0 ]; then if [ $TUNNEL -eq 0 ]; then echo ---$UPTUNN--- $UPTUNN 2>&1 > /dev/null TUNNEL=1 fi else if [ $TUNNEL -eq 1 ]; then echo ---$DOWNTUNN--- $DOWNTUNN 2>&1 > /dev/null TUNNEL=0 fi fi sleep 30 done vde2-2.3.2+r586/doc/vdecmd0000644000000000000000000000035113614540472011703 0ustar TIMEOUT 1000 1 IN '$ ' 100 3 SEND '$*\n' 5 THROW 6 IN '\n' 100 7 IF '0000 DATA END WITH \'.\'' 10 8 IF '10' 20 9 GOTO 100 10 THROW 11 IN '\n' 100 12 IF '.\n' 5 13 COPY 14 GOTO 10 20 SKIP 2 21 SEND 'logout\n' 22 EXITATOI 100 EXIT -1 vde2-2.3.2+r586/doc/vdeqemu-HOWTO0000644000000000000000000002547113614540472013017 0ustar Using VDE with Qemu HOWTO by Jim Brown 5 Oct 2004 Version 0.2 ----------------------------------------------------------------------------- Introduction Copyright What is qemu? What is VDE? Configuring and Installing VDE Installation vdeq & vdeqemu User-mode networking How to enable user-mode networking Firewall configuration Slirp (rootless) networking What is slirp networking? How to enable slirp networking? Setting up qemu How to set up the guest OS Credits ----------------------------------------------------------------------------- Introduction Copyright Copyright (c) 2004 Jim Brown. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is available at http://www.gnu.org/licenses/fdl.txt What is qemu? Qemu is a FAST! processor emulator by Fabrice Bellard, available at http://fabrice.bellard.free.fr/qemu/. It is capable of emulationg the x86 and PowerPC processors with support for other processors on the way. The original purpose of qemu was to allow running x86-specific Linux applications, such as WINE or DosEmu, on non-x86 systems. However, qemu has expanded into becoming a full-fledged emulator. On the x86 side, it is capable of running Linux, MS-DOS, Windows 95/98/Me, Windows NT/2k, Windows XP, Solaris, OpenBSD, and FreeBSD. See http://fabrice.bellard.free.fr/qemu/ossupport.html for the full listing. This howto assumes that you have already installed and set up qemu. What is VDE? VDE is short for Virtual Distributed Ethernet. VDE, written by Renzo Davoli, is based off of uml_switch by Jeff Dike. It is available at http://sourceforge.net/projects/vde/. It has many uses, the main one providing support for networking with emulated computers. (Not just qemu, but support for user-mode linux and Bochs also exists). VDE must be set up and installed by root, but the programs which use it do not need root privligies. This howto will walk you through the simple process of installing VDE and setting up qemu to use it. ----------------------------------------------------------------------------- Configuring and Installing VDE Installation You may obtain the source code at http://sourceforge.net/projects/vde/. The version of VDE which I used was 1.4.1, but this HOWTO should apply to all versions. Once you have downloaded the source code, extract it. I assume you will have extracted it to /space/vde. Go into that directory, and simply type "make" followed by "make install". Now you should have vde_switch in /usr/bin. vdeq & vdeqemu Now cd into the qemu directory. Type "make". This will build vdeq. Qemu on its own only supports full networking with tuntap, which requires root priviliges or an exposed /dev/net/tun. There is a -user-net option, but that is not as useful as full networking. In order for qemu to use VDE, it must be passed the file descriptor for a tun device. Futhermore the tun device itself must already be configured to use VDE. vdeq sets this up and passes it to qemu via the -tun-fd switch. There is no "make install". Instead, you just manually copy vdeq to /usr/bin. It might also be helpful to copy or link vdeq to vdeqemu. vdeq requires that the location of the qemu binary be passes to it as the first command line parameter, but vdeqemu only needs the options you want to pass to qemu. vdeqemu will locate the qemu binary itself (this requires that you install qemu system-wide or have the qemu directory in your PATH). For example if you have: vdeq qemu -hda /mnt/myimage -m 64 -boot a you can shorten this into vdeqemu -hda /mnt/myimage -m 64 -boot a ----------------------------------------------------------------------------- User-mode Networking How to enable user-mode networking The following commands will need to be run as root: # vde_switch -tap tap0 -daemon If you need to run a sniffer, just in case you want to analyze the traffic, you can also run it like this: # vde_switch -hub -tap tap0 -daemon (The -hub option is not available for version 1.4.1 of VDE, you will need a later version. I don't know what the minimal version is but 1.5.1 does support this option.) Then you must run this: # ifconfig tap0 # chmod 755 /tmp/vde.ctl The vde_switch command will run VDE in the background. The -tap tap0 parameter tells VDE to set up the device tap0 using tuntap. -daemon runs vde_switch in the background. -hub tells VDE to broadcast the message to all segment, just like real hub that you use on real network. is the ip address of the gateway you want to use for the guest OS(es). For example: # ifconfig tap0 192.168.254.254 will make 192.168.254.254 the gateway between guest and host, and your guest OS(es) will belong to the subnet 192.168.254.0 with a netmask of 255.255.255.0 and an ip address of 192.168.254.XXX (where you get to pick the XXX). You must have the IP of the qemu guest and the IP of the gateway on the same subnet! While it may be possible to have them on separate subnets, it will certainly be harder to configure (and you won't like the way your routing tables will look either). [Sidebar: The "gateway" is actually the host OS itself on the tap0 interface. The host on the tap0 interface, aka 192.168.254.254, routes between the guest OS and the host's eth0 interface (which on is the real network). The host on the eth0 interface (ex. 192.168.0.2) can then route between the tap0 interface and the real network / the internet.] (Note that you might be required to do this: # ifconfig tap0 192.168.254.254 netmask 255.255.255.0 Normally ifconfig should pick the correct netmask for you, but if it doesn't for some reason then you will have to specify it manually. See ifconfig(8) for details. ) Note that you must run this before you run your firewall. I found it helpful to put this into a script, and have the script load before the firewall does. Firewall configuration You will need to enable masquerading between tap0 and your local area network (for example, eth0). You will also need to enable masquerading between tap0 and ppp0 if you use a dialup connection to the internet. The commands # echo "1" > /proc/sys/net/ipv4/ip_forward # iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE # iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE will allow you to enable this manually. ----------------------------------------------------------------------------- Slirp networking What is slirp networking? Slirp was an early program that existed before the masses knew of the internet. Back then, those who knew of it could access it only in one way: through a Unix shell account (or other such terminal account). This meant that one had to do all the things they wanted to in that terminal window. Back then, there were two dial up protocols: PPP and SLIP. PPP is now the standard but back then SLIP was more common (as it was cheaper). Slirp was designed to turn those shell accounts into SLIP connections. It worked by converting SLIP packets into socket connections. What you had to do was to run slirp on the computer you had the shell account on, and then connect your SLIP driver/dialer to the terminal slirp was running on (normally this 'terminal' was in fact a modem). Slirp would then interpret the data that SLIP sent and transfer the data between the user's computer and the internet. To the user, it looked like they were actually connected directly to the internet through a firewall. Slirp is not used today (to the best of my knowledge) but the innovative idea it had is used by both qemu and vde. Instead of converting SLIP packets however, they convert ethernet packets. qemu's slirp networking is similar to vde's but it is simpler to use and also limited to a single qemu instance (you can not link multiple guest OSes together on the same network with slirp networking unless you use VDE). How to enable slirp networking? This is very similar to TUNTAP networking in the previous section, but the commands are slightly different. In addition, you do not need to set up routing or firewall rules. First off, you load vde_switch (no parameters are required for this case, although you can pass the -unix parameter if you want to use a different socket - required if you already have tuntap networking on the default socket). vde_switch or vde_switch -unix /tmp/unx.ctl The latter is required if you are running both slirp and tuntap or multiple slirp networks (for that matter, if you are running multiple tuntap networks). More on that later. Now you need the slirpvde command. slirpvde is the utilitry that provides the slirp functionality - it intercepts ethernet packets on the network and forwards them through the real network via emulation. To use it, you want to do this: slirpvde -s /tmp/unx.ctl -n 192.168.2.0 -d The -s tells slirpvde that vde_switch is running on /tmp/unx.ctl [this switch can be omitted if you called vde_switch by itself]. The -d switch tells slirpvde to emulate a DHCP server. This is not required but it allows for automatic configuration of the guest OS (it is basicly the same as qemu's builtin DHCP server). Depending on your needs, you may be better off running a real DHCP server in one of the guest OSes. The last option, -n, tells slirpvde what subnet the network should be on (this is also used by the DHCP server to figure out what ip addresses to assign). The gateway ip when using slirpvde is X.X.X.2 (where X.X.X equals the first 3 parts of the subnet you passed to it via -n, in this example 192.168.2) and the default DNS server is X.X.X.3 You can not change the gateway ip to something other than .2 and the DNS ip to something other than .3 unless you change the source in slirpvde and recompile. ----------------------------------------------------------------------------- Setting up qemu How to set up the guest OS Set up the guest OS so that the default route is through the gateway ip, (for example 192.168.254.254). Also set up the subnet and netmask parameters as appropriate (for example 192.168.254.0 and 255.255.255.0). The guest OS should see the ethernet device and be able to use it to access the gateway. (Caveat: I haven't been able to do this for MS-DOS, and for Minix 2.0.4 I had to apply a patch to qemu since Minix is broken. Uodate: Minix 2.0.4 is still broken but a patch has been released to fix it. Using this patch, Minix works on a vanilla qemu.) Also don't forget to set up the IP of the guest OS itself (for example 192.168.254.1). ----------------------------------------------------------------------------- Credits This HOWTO relied heavily on the documentation that Renzo wrote for vde-1.4.1. Thanks to Mulyadi Santosa for helping with the first revision of this document, and to Renzo for his input. (P.S. Will add info for ale4net and slirpvde as soon as I figure out how to use it ;) vde2-2.3.2+r586/include/0000755000000000000000000000000013614540472011375 5ustar vde2-2.3.2+r586/include/Makefile.am0000644000000000000000000000036413614540472013434 0ustar include_HEADERS = libvdesnmp.h libvdemgmt.h nobase_include_HEADERS = libvdeplug.h libvdeplug_dyn.h libvdehist.h EXTRA_DIST = \ canonicalize.h \ cmdparse.h \ open_memstream.h \ strndup.h \ vdecommon.h \ vde.h \ vdeplugin.h \ vdepoll.h vde2-2.3.2+r586/include/Makefile.in0000644000000000000000000004421613614540472013451 0ustar # Makefile.in generated by automake 1.14.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2013 Free Software Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; 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Copyright (C) 1996-2001, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Modified for um-viewos (C) Renzo Davoli 2005-2006 Simplified for VDE (c) Ludovico Gardenghi 2008 The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef CANONICALIZE_H #define CANONICALIZE_H char *vde_realpath(const char *name, char *resolved); #endif vde2-2.3.2+r586/include/cmdparse.h0000644000000000000000000000522513614540472013350 0ustar /* * Copyright (C) 2007 - Renzo Davoli, Luca Bigliardi * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file cmdparse.h * @brief finite state automata for communication and parsing * @author Renzo Davoli, Luca Bigliardi * @date 2007-05-17 */ #ifndef _CMDPARSE_H_ #define _CMDPARSE_H_ /** A state of automata */ struct utmstate; /** Automata */ struct utm { struct utmstate *head; int timeout; }; /** Automata buffer containing data read but not parsed yet. * State machine has finished to chomp whole parse buffer * when pos == len */ struct utm_buf { char *buf; int len; int pos; }; /** Automata output. * In a parse machine is possible to build a list of outputs, * each element can be tagged. */ struct utm_out { char *buf; size_t sz; int tag; struct utm_out *next; }; /** * @brief utmout_alloc - create an empty automata output buffer * * @return pointer to the empty buffer, NULL if error */ struct utm_out *utmout_alloc(void); /** * @brief utmout_free - safe destroy output buffer list * * @param out automata output buffer list to free */ void utmout_free(struct utm_out *out); /** * @brief utm_alloc - create finite state automata * * @param conf configuration file containing the list of states * * @return finite state automata on success, NULL on error */ struct utm *utm_alloc(char *conf); /** * @brief utm_free - free finite state automata structure * * @param utm finite state automata to destroy */ void utm_free(struct utm *utm); /** * @brief utm_run * * @param utm finite state automata * @param buf automata buffer (related to fd) * @param fd file descriptor to read and write to * @param argc number of arguments in argv * @param argv NULL terminated list of arguments * @param out output buffer of machine * @param debug run machine in verbose mode * * @return exit value of machine, it depends to configuration */ int utm_run(struct utm *utm, struct utm_buf *buf, int fd, int argc, char **argv, struct utm_out *out, int debug); #endif vde2-2.3.2+r586/include/config.h.in0000644000000000000000000002256713614540472013434 0ustar /* include/config.h.in. Generated from configure.ac by autoheader. */ /* Define if building universal (internal helper macro) */ #undef AC_APPLE_UNIVERSAL_BUILD /* Define to 1 if you have the header file. */ #undef HAVE_ARPA_INET_H /* Define to 1 if you have the `atexit' function. */ #undef HAVE_ATEXIT /* Define to 1 if you have the `bcmp' function. */ #undef HAVE_BCMP /* Define to 1 if your system has a working `chown' function. */ #undef HAVE_CHOWN /* Define to 1 if you have the header file. */ #undef HAVE_DLFCN_H /* Define to 1 if you don't have `vprintf' but do have `_doprnt.' */ #undef HAVE_DOPRNT /* Define to 1 if you have the `drand48' function. */ #undef HAVE_DRAND48 /* Define to 1 if you have the `dup2' function. */ #undef HAVE_DUP2 /* Define to 1 if you have the `fchmod' function. */ #undef HAVE_FCHMOD /* Define to 1 if you have the header file. */ #undef HAVE_FCNTL_H /* Define to 1 if you have the `fork' function. */ #undef HAVE_FORK /* Define to 1 if you have the `funopen' function. */ #undef HAVE_FUNOPEN /* Define to 1 if you have the `gethostbyname' function. */ #undef HAVE_GETHOSTBYNAME /* Define to 1 if you have the `gethostid' function. */ #undef HAVE_GETHOSTID /* Define to 1 if you have the `gethostname' function. */ #undef HAVE_GETHOSTNAME /* Define to 1 if you have the `getopt_long_only' function. */ #undef HAVE_GETOPT_LONG_ONLY /* Define to 1 if you have the `gettimeofday' function. */ #undef HAVE_GETTIMEOFDAY /* Define to 1 if you have the `index' function. */ #undef HAVE_INDEX /* Define to 1 if you have the `inet_aton' function. */ #undef HAVE_INET_ATON /* Define to 1 if you have the `inet_ntoa' function. */ #undef HAVE_INET_NTOA /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define to 1 if you have the `dl' library (-ldl). */ #undef HAVE_LIBDL /* Define to 1 if your system has a GNU libc compatible `malloc' function, and to 0 otherwise. */ #undef HAVE_MALLOC /* Define to 1 if you have the `memmove' function. */ #undef HAVE_MEMMOVE /* Define to 1 if you have the header file. */ #undef HAVE_MEMORY_H /* Define to 1 if you have the `memset' function. */ #undef HAVE_MEMSET /* Define to 1 if you have the header file. */ #undef HAVE_NETDB_H /* Define to 1 if you have the header file. */ #undef HAVE_NETINET_IN_H /* Define to 1 if you have the header file. */ #undef HAVE_OPENSSL_BLOWFISH_H /* Define to 1 if you have the `open_memstream' function. */ #undef HAVE_OPEN_MEMSTREAM /* Define to 1 if your system has a working poll() function. */ #undef HAVE_POLL /* Define to 1 if you have the `putenv' function. */ #undef HAVE_PUTENV /* Define to 1 if you have the `random' function. */ #undef HAVE_RANDOM /* Define to 1 if you have the `readv' function. */ #undef HAVE_READV /* Define to 1 if your system has a GNU libc compatible `realloc' function, and to 0 otherwise. */ #undef HAVE_REALLOC /* Define to 1 if you have the `revoke' function. */ #undef HAVE_REVOKE /* Define to 1 if you have the `select' function. */ #undef HAVE_SELECT /* Define to 1 if you have the `setenv' function. */ #undef HAVE_SETENV /* Define to 1 if you have the `socket' function. */ #undef HAVE_SOCKET /* Define to 1 if you have the `sprintf' function. */ #undef HAVE_SPRINTF /* Define to 1 if you have the `srandom' function. */ #undef HAVE_SRANDOM /* Define to 1 if you have the header file. */ #undef HAVE_STDDEF_H /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define to 1 if you have the header file. */ #undef HAVE_STDLIB_H /* Define to 1 if you have the `strchr' function. */ #undef HAVE_STRCHR /* Define to 1 if you have the `strdup' function. */ #undef HAVE_STRDUP /* Define to 1 if you have the `strerror' function. */ #undef HAVE_STRERROR /* Define to 1 if you have the header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #undef HAVE_STRING_H /* Define to 1 if you have the `strndup' function. */ #undef HAVE_STRNDUP /* Define to 1 if you have the `strstr' function. */ #undef HAVE_STRSTR /* Define to 1 if you have the header file. */ #undef HAVE_SYSEXITS_H /* Define to 1 if you have the header file. */ #undef HAVE_SYSLIMITS_H /* Define to 1 if you have the header file. */ #undef HAVE_SYSLOG_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_BITYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_FILIO_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_IOCTL_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_PARAM_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_SELECT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_SIGNAL_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_SOCKET_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STROPTS_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_SYSLIMITS_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TIME_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPE32_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_WAIT_H /* Define to 1 if you have the header file. */ #undef HAVE_TERMIOS_H /* Define to 1 if you have the header file. */ #undef HAVE_TERMIO_H /* If defined, tuntap support is compiled in */ #undef HAVE_TUNTAP /* Define to 1 if you have the `uname' function. */ #undef HAVE_UNAME /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Define to 1 if you have the `vfork' function. */ #undef HAVE_VFORK /* Define to 1 if you have the header file. */ #undef HAVE_VFORK_H /* Define to 1 if you have the `vprintf' function. */ #undef HAVE_VPRINTF /* Define to 1 if `fork' works. */ #undef HAVE_WORKING_FORK /* Define to 1 if `vfork' works. */ #undef HAVE_WORKING_VFORK /* Define to the sub-directory in which libtool stores uninstalled libraries. */ #undef LT_OBJDIR /* Extension of shared objects */ #undef MODULES_EXT /* Name of package */ #undef PACKAGE /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the home page for this package. */ #undef PACKAGE_URL /* Define to the version of this package. */ #undef PACKAGE_VERSION /* Define to 1 if the C compiler supports function prototypes. */ #undef PROTOTYPES /* Define to the type of arg 1 for `select'. */ #undef SELECT_TYPE_ARG1 /* Define to the type of args 2, 3 and 4 for `select'. */ #undef SELECT_TYPE_ARG234 /* Define to the type of arg 5 for `select'. */ #undef SELECT_TYPE_ARG5 /* The size of `char', as computed by sizeof. */ #undef SIZEOF_CHAR /* The size of `char *', as computed by sizeof. */ #undef SIZEOF_CHAR_P /* The size of `int', as computed by sizeof. */ #undef SIZEOF_INT /* The size of `short', as computed by sizeof. */ #undef SIZEOF_SHORT /* Define to 1 if you have the ANSI C header files. */ #undef STDC_HEADERS /* Define to 1 if you can safely include both and . */ #undef TIME_WITH_SYS_TIME /* If defined, enable support for IPN socket */ #undef USE_IPN /* If defined, this is a Linux/bionic system */ #undef VDE_BIONIC /* If defined, this is a Darwin system */ #undef VDE_DARWIN /* If defined, this is a FreeBSD system */ #undef VDE_FREEBSD /* If defined, this is a Linux system */ #undef VDE_LINUX /* Version number of package */ #undef VERSION /* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most significant byte first (like Motorola and SPARC, unlike Intel). */ #if defined AC_APPLE_UNIVERSAL_BUILD # if defined __BIG_ENDIAN__ # define WORDS_BIGENDIAN 1 # endif #else # ifndef WORDS_BIGENDIAN # undef WORDS_BIGENDIAN # endif #endif /* Define like PROTOTYPES; this can be used by system headers. */ #undef __PROTOTYPES /* Define to empty if `const' does not conform to ANSI C. */ #undef const /* Define to `int' if doesn't define. */ #undef gid_t /* Define to `__inline__' or `__inline' if that's what the C compiler calls it, or to nothing if 'inline' is not supported under any name. */ #ifndef __cplusplus #undef inline #endif /* Define to rpl_malloc if the replacement function should be used. */ #undef malloc /* Define to `int' if does not define. */ #undef mode_t /* Define to `int' if does not define. */ #undef pid_t /* Define to vde_poll if the replacement function should be used. */ #undef poll /* Define to rpl_realloc if the replacement function should be used. */ #undef realloc /* Define to `unsigned int' if does not define. */ #undef size_t /* Define to `int' if doesn't define. */ #undef uid_t /* Define as `fork' if `vfork' does not work. */ #undef vfork vde2-2.3.2+r586/include/libvdehist.h0000644000000000000000000000335713614540472013713 0ustar /* * libvdehist - A library to manage history and command completion for vde mgmt protocol * Copyright (C) 2006 Renzo Davoli, University of Bologna * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation version 2.1 of the License, or (at * your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser * General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #ifndef _LIBVDEHIST_H #define _LIBVDEHIST_H extern char *prompt; typedef ssize_t (* ssize_fun)(); extern ssize_fun vdehist_vderead; extern ssize_fun vdehist_vdewrite; extern ssize_fun vdehist_termread; extern ssize_fun vdehist_termwrite; #define HIST_COMMAND 0x0 #define HIST_NOCMD 0x1 #define HIST_PASSWDFLAG 0x80 struct vdehiststat; extern char *(* vdehist_logincmd)(char *cmd,int len,struct vdehiststat *st); void vdehist_mgmt_to_term(struct vdehiststat *st); int vdehist_term_to_mgmt(struct vdehiststat *st); struct vdehiststat *vdehist_new(int termfd,int mgmtfd); void vdehist_free(struct vdehiststat *st); int vdehist_getstatus(struct vdehiststat *st); void vdehist_setstatus(struct vdehiststat *st,int status); int vdehist_gettermfd(struct vdehiststat *st); int vdehist_getmgmtfd(struct vdehiststat *st); void vdehist_setmgmtfd(struct vdehiststat *st,int mgmtfd); #endif vde2-2.3.2+r586/include/libvdemgmt.h0000644000000000000000000001100713614540472013677 0ustar /* * Copyright (C) 2007 - Luca Bigliardi * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file libvdemgmt.h * @brief Functions for console management handling, client side. * @author Luca Bigliardi * @date 2007-05-16 */ #ifndef _LIBVDEMGMT_H_ #define _LIBVDEMGMT_H_ /** A console management connection */ struct vdemgmt; /** * @brief vdemgmt_open - Connect to console management socket. * * @param path of console management socket * @return pointer to a struct vdemgmt, NULL if error */ extern struct vdemgmt *vdemgmt_open(const char *path); /** * @brief vdemgmt_close - Close a console management connection. * * @param conn structure of connection that you want to close */ extern void vdemgmt_close(struct vdemgmt *conn); /** * @brief vdemgmt_getfd - Extract file descriptor of a console connection. * * @param conn structure of connection * * @return integer representing file descriptor, -1 if error */ extern int vdemgmt_getfd(struct vdemgmt *conn); /** Container of output from a synchronous command. */ struct vdemgmt_out { char *buf; size_t sz; }; /** * @brief vdemgmt_freeout - Free vdemgmt_out data structure * * @param out data structure */ extern void vdemgmt_freeout(struct vdemgmt_out *out); /** * @brief vdemgmt_rstout - Empty vdemgmt_out data structure * * @param out data structure */ extern void vdemgmt_rstout(struct vdemgmt_out *out); /** * @brief vdemgmt_sendcmd - Send a synchronous command * * @param conn structure of connection to send command to * @param cmd command to send * @param out pointer to an output container, if NULL the output is discarded * * @return the same return value of command executed */ extern int vdemgmt_sendcmd(struct vdemgmt *conn, const char *cmd, struct vdemgmt_out *out); /** * @brief vdemgmt_asyncreg - Register func handler for async output from debug events * * @param conn structure of connection to activate debug events to * @param event debug feature to activate * @param callback the handler * * @return 0 on success, error code otherwise */ extern int vdemgmt_asyncreg(struct vdemgmt *conn, const char *event, void (*callback)(const char *event, const int tag, const char *data) ); /** * @brief vdemgmt_asyncunreg - Unregister func handler for async output from debug events * * @param conn structure of connection to deactivate debug events to * @param event debug feature to deactivate * * @return 0 on success, error code otherwise */ extern void vdemgmt_asyncunreg(struct vdemgmt *conn, const char *event); /** * @brief vdemgmt_asyncrecv - Call appropriate handler when an asynchronous output is incoming * * @param conn connection from whom asynchronous data is incoming */ extern void vdemgmt_asyncrecv(struct vdemgmt *conn); /** * @brief vdemgmt_getbanner - Get banner received from management socket * * @param conn structure of connection * * @return const pointer to banner string */ extern const char *vdemgmt_getbanner(struct vdemgmt *conn); /** * @brief vdemgmt_getprompt - Get prompt received from management socket * * @param conn structure of connection * * @return const pointer to prompt string */ extern const char *vdemgmt_getprompt(struct vdemgmt *conn); /** * @brief vdemgmt_getversion - Get version received from management socket * * @param conn structure of connection * * @return const pointer to version string */ extern const char *vdemgmt_getversion(struct vdemgmt *conn); /** * @brief vdemgmt_commandlist - Retrieve list of commands available from management socket * * @param conn structure of connection * * @return array of string NULL terminated, NULL if error */ extern char **vdemgmt_commandlist(struct vdemgmt *conn); /** * @brief vdemgmt_freecommandlist - Free array returned from vdemgmt_commandlist * * @param *cl array of string NULL terminated */ extern void vdemgmt_freecommandlist(char **cl); #endif vde2-2.3.2+r586/include/libvdeplug.h0000644000000000000000000000515113614540472013705 0ustar /* * libvdeplug - A library to connect to a VDE Switch. * Copyright (C) 2006 Renzo Davoli, University of Bologna * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation version 2.1 of the License, or (at * your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser * General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #ifndef _VDELIB_H #define _VDELIB_H #include #define LIBVDEPLUG_INTERFACE_VERSION 1 struct vdeconn; typedef struct vdeconn VDECONN; /* Open a VDE connection. * vde_open_options: * port: connect to a specific port of the switch (0=any) * group: change the ownership of the communication port to a specific group * (NULL=no change) * mode: set communication port mode (if 0 standard socket mode applies) */ struct vde_open_args { int port; char *group; mode_t mode; }; /* vde_open args: * vde_switch: switch id (path) * descr: description (it will appear in the port description on the switch) */ #define vde_open(vde_switch,descr,open_args) \ vde_open_real((vde_switch),(descr),LIBVDEPLUG_INTERFACE_VERSION,(open_args)) VDECONN *vde_open_real(char *vde_switch,char *descr,int interface_version, struct vde_open_args *open_args); ssize_t vde_recv(VDECONN *conn,void *buf,size_t len,int flags); ssize_t vde_send(VDECONN *conn,const void *buf,size_t len,int flags); /* for select/poll when this fd receive data, there are packets to recv * (call vde_recv) */ int vde_datafd(VDECONN *conn); /* for select/poll. the ctl socket is silent after the initial handshake. * when EOF the switch has closed the connection */ int vde_ctlfd(VDECONN *conn); int vde_close(VDECONN *conn); /* vdestream */ struct vdestream; typedef struct vdestream VDESTREAM; #define PACKET_LENGTH_ERROR 1 VDESTREAM *vdestream_open(void *opaque, int fdout, ssize_t (*frecv)(void *opaque, void *buf, size_t count), void (*ferr)(void *opaque, int type, char *format, ...) ); ssize_t vdestream_send(VDESTREAM *vdestream, const void *buf, size_t len); void vdestream_recv(VDESTREAM *vdestream, unsigned char *buf, size_t len); void vdestream_close(VDESTREAM *vdestream); #endif vde2-2.3.2+r586/include/libvdeplug_dyn.h0000644000000000000000000001300613614540472014555 0ustar /* * libvdeplug - A library to connect to a VDE Switch. * dynamic loading version (requires libdl). * * Copyright (C) 2006,2007 Renzo Davoli, University of Bologna * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation version 2.1 of the License, or (at * your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser * General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ /* Use this include file when you need to write an application that can * benefit from vde when available. * Linking libvdeplug to your programs you force your application users * to have the library installed (otherway the dynamic linker complies * and the program does not start). * * * usage: * define a struct vdepluglib variable; * eg: * struct vdepluglib vdeplug; * * test the availability of the library and load it: * * libvdeplug_dynopen(vdeplug); * if vdeplug.dl_handle is not NULL the library is ready otherwise it is * not available in the target system. * * if libvdeplug does exist the library function can be called * in this way: * vdeplug.vde_open(....) * vdeplug.vde_read(....) * vdeplug.vde_open(....) * vdeplug.vde_recv(....) * vdeplug.vde_send(....) * vdeplug.vde_datafd(....) * vdeplug.vde_ctlfd(....) * vdeplug.vde_close(....) * libvdeplug_dynclose(vdeplug) can be used to deallocate the dynamic library * when needed. *************************************************/ #ifndef _VDEDYNLIB_H #define _VDEDYNLIB_H #include #include #define LIBVDEPLUG_INTERFACE_VERSION 1 struct vdeconn; typedef struct vdeconn VDECONN; struct vdestream; typedef struct vdestream VDESTREAM; /* Open a VDE connection. * vde_open_options: * port: connect to a specific port of the switch (0=any) * group: change the ownership of the communication port to a specific group * (NULL=no change) * mode: set communication port mode (if 0 standard socket mode applies) */ struct vde_open_args { int port; char *group; mode_t mode; }; /* vde_open args: * vde_switch: switch id (path) * descr: description (it will appear in the port description on the switch) */ #define vde_open(vde_switch,descr,open_args) \ vde_open_real((vde_switch),(descr),LIBVDEPLUG_INTERFACE_VERSION,(open_args)) struct vdepluglib { void *dl_handle; VDECONN * (*vde_open_real)(const char *vde_switch,char *descr,int interface_version, struct vde_open_args *open_args); ssize_t (* vde_recv)(VDECONN *conn,void *buf,size_t len,int flags); ssize_t (* vde_send)(VDECONN *conn,const void *buf,size_t len,int flags); int (* vde_datafd)(VDECONN *conn); int (* vde_ctlfd)(VDECONN *conn); int (* vde_close)(VDECONN *conn); VDESTREAM * (* vdestream_open)(void *opaque, int fdout, ssize_t (* frecv)(void *opaque, void *buf, size_t count), void (* ferr)(void *opaque, int type, char *format, ...) ); ssize_t (* vdestream_send)(VDESTREAM *vdestream, const void *buf, size_t len); void (* vdestream_recv)(VDESTREAM *vdestream, unsigned char *buf, size_t len); void (* vdestream_close)(VDESTREAM *vdestream); }; typedef VDECONN * (* VDE_OPEN_REAL_T)(const char *vde_switch,char *descr,int interface_version, struct vde_open_args *open_args); typedef ssize_t (* VDE_RECV_T)(VDECONN *conn,void *buf,size_t len,int flags); typedef ssize_t (* VDE_SEND_T)(VDECONN *conn,const void *buf,size_t len,int flags); typedef int (* VDE_INT_FUN)(VDECONN *conn); typedef VDESTREAM * (* VDESTREAM_OPEN_T)(void *opaque, int fdout, ssize_t (* frecv)(void *opaque, void *buf, size_t count), void (* ferr)(void *opaque, int type, char *format, ...) ); typedef ssize_t (* VDESTREAM_SEND_T)(VDESTREAM *vdestream, const void *buf, size_t len); typedef void (* VDESTREAM_RECV_T)(VDESTREAM *vdestream, unsigned char *buf, size_t len); typedef void (* VDESTREAM_CLOSE_T)(VDESTREAM *vdestream); #define libvdeplug_dynopen(x) ({ \ (x).dl_handle=dlopen("libvdeplug.so",RTLD_NOW); \ if ((x).dl_handle) { \ (x).vde_open_real=(VDE_OPEN_REAL_T) dlsym((x).dl_handle,"vde_open_real"); \ (x).vde_recv=(VDE_RECV_T) dlsym((x).dl_handle,"vde_recv"); \ (x).vde_send=(VDE_SEND_T) dlsym((x).dl_handle,"vde_send"); \ (x).vde_datafd=(VDE_INT_FUN) dlsym((x).dl_handle,"vde_datafd"); \ (x).vde_ctlfd=(VDE_INT_FUN) dlsym((x).dl_handle,"vde_ctlfd"); \ (x).vde_close=(VDE_INT_FUN) dlsym((x).dl_handle,"vde_close"); \ (x).vdestream_open=(VDESTREAM_OPEN_T) dlsym((x).dl_handle,"vdestream_open"); \ (x).vdestream_send=(VDESTREAM_SEND_T) dlsym((x).dl_handle,"vdestream_send"); \ (x).vdestream_recv=(VDESTREAM_RECV_T) dlsym((x).dl_handle,"vdestream_recv"); \ (x).vdestream_close=(VDESTREAM_CLOSE_T) dlsym((x).dl_handle,"vdestream_close"); \ } else { \ (x).vde_open_real=NULL; \ (x).vde_send= NULL; \ (x).vde_recv= NULL; \ (x).vde_datafd= (x).vde_ctlfd= (x).vde_close= NULL; \ (x).vdestream_open= NULL; \ (x).vdestream_send= NULL; \ (x).vdestream_recv= NULL; \ (x).vdestream_close= NULL; \ }\ }) #define libvdeplug_dynclose(x) ({ \ dlclose((x).dl_handle); \ }) #endif vde2-2.3.2+r586/include/libvdesnmp.h0000644000000000000000000001017413614540472013714 0ustar /* * Copyright (C) 2007 - Filippo Giunchedi * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file libvdesnmp.h * @brief vde_snmp library documentation * @author Filippo Giunchedi * @date 2007-11-01 */ #ifndef _VDE_SNMP_H_ #define _VDE_SNMP_H_ #define debug(...) fprintf(stderr, "%s: ", __FUNCTION__); fprintf(stderr, __VA_ARGS__); fprintf(stderr, "\n"); fflush(NULL) #define DESC_MAXLEN 255 #define PHYADDR_MAXLEN 17 #define MAX_MGMT_READ 1024 #define ADMINSTATUS_UP 1 #define ADMINSTATUS_DOWN 2 #define ADMINSTATUS_TESTING 3 #define OPERSTATUS_UP 1 #define OPERSTATUS_DOWN 2 #define OPERSTATUS_TESTING 3 #define OPERSTATUS_UNKNOWN 4 #define OPERSTATUS_DORMANT 5 #define OPERSTATUS_NOTPRESENT 6 #define OPERSTATUS_LOWERLAYERDOWN 7 /* events array, init done in vde_snmp_init() */ #define EVENTS_NUM 2 #define EVENT_PORT_UP 0 #define EVENT_PORT_DOWN 1 /** * @brief Collection of port status */ typedef struct vde_stats { int numports; struct vde_port_stats *ports; } vde_stats_t; /** * @brief Enumeration of possible administrative status */ typedef enum adminstatus { A_UP = ADMINSTATUS_UP, A_DOWN = ADMINSTATUS_DOWN, A_TESTING = ADMINSTATUS_TESTING } adminstatus; /** * @brief Enumeration of possible operational status */ typedef enum operstatus { O_UP = OPERSTATUS_UP, O_DOWN = OPERSTATUS_DOWN, O_TESTING = OPERSTATUS_TESTING, O_UNKNOWN = OPERSTATUS_UNKNOWN, O_DORMANT = OPERSTATUS_DORMANT, O_NOTPRESENT = OPERSTATUS_NOTPRESENT, O_LOWERLAYERDOWN = OPERSTATUS_LOWERLAYERDOWN } operstatus; /** * @brief Representation of traffic going thru a port */ typedef struct traffic { long octects; long ucastpkts; long discards; long errors; long unknownprotos; } traffic_t; /** * @brief Status of a single port */ typedef struct vde_port_stats { short active; /* port is active, i.e. shown on port/allprint */ int index; char desc[DESC_MAXLEN]; int mtu; int speed; char phyaddress[PHYADDR_MAXLEN]; adminstatus adminstatus; operstatus operstatus; long time_lastchange; traffic_t *in; traffic_t *out; } vde_port_stats; /** * @brief Initialize vde_snmp structures. * * @param standalone if 1 listen for port events and print them on stdout, for testing purposes only * @param sockpath path to VDE management socket * * @return 0 on success, -1 on error */ int vde_snmp_init(char *sockpath); /** * @brief Get port statistics. * * @return pointer to actual port statistics */ vde_stats_t* vde_snmp_get_stats(void); /** * @brief Collect and update statistics. * * @return 0 on success, -1 otherwise */ int vde_snmp_update(void); /** * @brief Invoke registered event handlers. */ void vde_snmp_event(void); /** * @brief Get console management file descriptor * * @return the file descriptor, -1 on error */ int vde_snmp_getfd(void); /** * @brief Register an event handler for event * * @param event the event type, either EVENT_PORT_UP or EVENT_PORT_DOWN * @param (*callback)(int portindex) the pointer to function to be called when the event is received * * @return 0 on success, -1 otherwise */ int vde_snmp_register_callback(int event, int (*callback)(int portindex)); /** * @brief Reset time of last update for port structures * * @return 0 on success, -1 otherwise */ int vde_snmp_reset_lastchange(void); /** * @brief Dump port statistics on stdout * * @param stats the port list to be printed */ void vde_snmp_dumpstats(vde_stats_t *stats); #endif vde2-2.3.2+r586/include/open_memstream.h0000644000000000000000000000033013614540472014555 0ustar #ifndef OPEN_MEMSTREAM_H__ #define OPEN_MEMSTREAM_H__ #ifndef HAVE_OPEN_MEMSTREAM #include FILE *open_memstream(char **ptr, size_t *sizeloc); #else #define _GNU_SOURCE #include #endif #endif vde2-2.3.2+r586/include/strndup.h0000644000000000000000000000017213614540472013245 0ustar #ifndef STRNDUP_H__ #define STRNDUP_H__ #include #undef strndup char *strndup(const char*, size_t); #endif vde2-2.3.2+r586/include/vde.h0000644000000000000000000000076013614540472012327 0ustar #ifndef VDE_H_ #define VDE_H_ #ifdef HAVE_GETOPT_LONG_ONLY #define GETOPT_LONG getopt_long_only #else #define GETOPT_LONG getopt_long #endif #define VDE_SOCK_DIR LOCALSTATEDIR"/run" #define VDE_RC_DIR SYSCONFDIR"/vde2" #ifndef VDESTDSOCK #define VDESTDSOCK "/var/run/vde.ctl" #define VDETMPSOCK "/tmp/vde.ctl" #endif #define DO_SYSLOG #define VDE_IP_LOG /* * Enable the new packet queueing. Experimental but recommended * (expecially with Darwin and other BSDs) */ #define VDE_PQ #endif vde2-2.3.2+r586/include/vdecommon.h0000644000000000000000000000024513614540472013536 0ustar #ifndef VDECOMMON_H #define VDECOMMON_H #include #include #include #include #include #endif vde2-2.3.2+r586/include/vdeplugin.h0000644000000000000000000001022113614540472013537 0ustar #ifndef _VDEPLUGIN_H #define _VDEPLUGIN_H #include #include #include /* command type constants */ /* doit signature: * int doit ( * FILE *f, *** only when WITHFILE * int fd, *** only when WITHFD * int|char *arg) *** when INTARG or STRARG */ /* if type==NOARG int doit(void) * if type==INTARG int doit(int arg) * if type==WITHFILE|WITHFD|STRARG int doit(FILE *f,int fd,char *arg) * doit returns 0 on success otherwise it returns a valid errno code */ #define NOARG 0 /*the command require no args */ #define INTARG 1 /* arg is an integer */ #define STRARG 2 /* arg is a string */ #define WITHFILE 0x40 /* command needs to return text output. (the output will be sent to the user using "0000 DATA END WITH '.'") */ #define WITHFD 0x80 /* fd is the identifier of the mgmt connection issuing the command. fd== -1 when the command is executed by an rc file. Fd should not be considered a file descriptor, */ typedef int (*intfun)(); /* command structure */ struct comlist { char *path; /*pathname of the command: pathname structured */ char *syntax; /*description of the syntax */ char *help; /*description of the command for help listings */ int (*doit)(); /* the call back to the command code */ unsigned char type; /* types of command: see constants above */ /* the following field is for management. never set or change it*/ struct comlist *next; }; /* pre-defined TAGs */ #define D_PACKET 01000 #define D_MGMT 02000 #define D_IN 01 #define D_OUT 02 #define D_PLUS 01 #define D_MINUS 02 #define D_DESCR 03 #define D_STATUS 04 #define D_ROOT 05 #define D_HASH 010 #define D_PORT 020 #define D_EP 030 #define D_FSTP 040 /* debug/event structure */ struct dbgcl { char *path; /* pathname structured debug/event request */ char *help; /* description for debug options listing if help==NULL the entry will be used only for plugin event publish/subscribe not directly accessible from the user interface */ int tag; /* numerical tag of the debug/event */ /* the following fields are for management. never set or change them*/ int *fds; intfun (*fun); void **funarg; unsigned short nfds; unsigned short nfun; unsigned short maxfds; unsigned short maxfun; struct dbgcl *next; }; /* plugin element: one element named "vde_plugin_data" must * be defined otherwise the dynamic library will not be recognized * as a vde plugin module */ struct plugin { /* name of the plugin, it should be unique, maybe pathname structured. * it identifies the plugin for listing and unloading plugins */ char *name; /* description of the plugin for listings */ char *help; /* the following fields should never be set or changed by * plugin modules */ void *handle; struct plugin *next; }; /* this adds a new management fd */ void mgmtnewfd(int new); #define ADDCL(CL) addcl(sizeof(CL)/sizeof(struct comlist),(CL)) #define ADDDBGCL(CL) adddbgcl(sizeof(CL)/sizeof(struct dbgcl),(CL)) #define DELCL(CL) delcl(sizeof(CL)/sizeof(struct comlist),(CL)) #define DELDBGCL(CL) deldbgcl(sizeof(CL)/sizeof(struct dbgcl),(CL)) #define DBGOUT(CL, FORMAT, ...) \ if (__builtin_expect(((CL)->nfds) > 0, 0)) debugout((CL), (FORMAT), __VA_ARGS__) #define EVENTOUT(CL, ...) \ if (__builtin_expect(((CL)->nfun) > 0, 0)) eventout((CL), __VA_ARGS__) int eventadd(int (*fun)(struct dbgcl *event,void *arg,va_list v),char *path,void *arg); int eventdel(int (*fun)(struct dbgcl *event,void *arg,va_list v),char *path,void *arg); void debugout(struct dbgcl* cl, const char *format, ...); void addcl(int ncl,struct comlist *cl); void delcl(int ncl,struct comlist *cl); #ifdef DEBUGOPT void adddbgcl(int ncl,struct dbgcl *cl); void deldbgcl(int ncl,struct dbgcl *cl); #endif void printoutc(FILE *f, const char *format, ...); void printlog(int priority, const char *format, ...); uid_t port_user(int port); char *port_descr(int portno, int epn); time_t qtime(); // returns global time (faster than time()) void qtime_csenter(); void qtime_csexit(); unsigned int qtimer_add(time_t period,int times,void (*call)(),void *arg); void qtimer_del(unsigned int n); #endif vde2-2.3.2+r586/include/vdepoll.h0000644000000000000000000000057013614540472013215 0ustar #ifndef VDEPOLL_H__ #define VDEPOLL_H__ #include #ifdef HAVE_POLL #include #else typedef unsigned long int nfds_t; #define POLLIN 0x001 #define POLLPRI 0x002 #define POLLOUT 0x004 #define POLLHUP 0x010 struct pollfd { int fd; short int events; short int revents; }; int vde_poll(struct pollfd *ufds, nfds_t nfds, int timeout); #endif #endif vde2-2.3.2+r586/install-sh0000755000000000000000000003325513614540472011766 0ustar #!/bin/sh # install - install a program, script, or datafile scriptversion=2011-11-20.07; # UTC # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the # following copyright and license. # # Copyright (C) 1994 X Consortium # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to # deal in the Software without restriction, including without limitation the # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or # sell copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # 'make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. nl=' ' IFS=" "" $nl" # set DOITPROG to echo to test this script # Don't use :- since 4.3BSD and earlier shells don't like it. doit=${DOITPROG-} if test -z "$doit"; then doit_exec=exec else doit_exec=$doit fi # Put in absolute file names if you don't have them in your path; # or use environment vars. chgrpprog=${CHGRPPROG-chgrp} chmodprog=${CHMODPROG-chmod} chownprog=${CHOWNPROG-chown} cmpprog=${CMPPROG-cmp} cpprog=${CPPROG-cp} mkdirprog=${MKDIRPROG-mkdir} mvprog=${MVPROG-mv} rmprog=${RMPROG-rm} stripprog=${STRIPPROG-strip} posix_glob='?' initialize_posix_glob=' test "$posix_glob" != "?" || { if (set -f) 2>/dev/null; then posix_glob= else posix_glob=: fi } ' posix_mkdir= # Desired mode of installed file. mode=0755 chgrpcmd= chmodcmd=$chmodprog chowncmd= mvcmd=$mvprog rmcmd="$rmprog -f" stripcmd= src= dst= dir_arg= dst_arg= copy_on_change=false no_target_directory= usage="\ Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE or: $0 [OPTION]... SRCFILES... DIRECTORY or: $0 [OPTION]... -t DIRECTORY SRCFILES... or: $0 [OPTION]... -d DIRECTORIES... In the 1st form, copy SRCFILE to DSTFILE. In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. In the 4th, create DIRECTORIES. Options: --help display this help and exit. --version display version info and exit. -c (ignored) -C install only if different (preserve the last data modification time) -d create directories instead of installing files. -g GROUP $chgrpprog installed files to GROUP. -m MODE $chmodprog installed files to MODE. -o USER $chownprog installed files to USER. -s $stripprog installed files. -t DIRECTORY install into DIRECTORY. -T report an error if DSTFILE is a directory. 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There is NO # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # GNU Libtool is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # As a special exception to the GNU General Public License, # if you distribute this file as part of a program or library that # is built using GNU Libtool, you may include this file under the # same distribution terms that you use for the rest of that program. # # GNU Libtool is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with GNU Libtool; see the file COPYING. If not, a copy # can be downloaded from http://www.gnu.org/licenses/gpl.html, # or obtained by writing to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. # Usage: $progname [OPTION]... [MODE-ARG]... # # Provide generalized library-building support services. # # --config show all configuration variables # --debug enable verbose shell tracing # -n, --dry-run display commands without modifying any files # --features display basic configuration information and exit # --mode=MODE use operation mode MODE # --preserve-dup-deps don't remove duplicate dependency libraries # --quiet, --silent don't print informational messages # --no-quiet, --no-silent # print informational messages (default) # --no-warn don't display warning messages # --tag=TAG use configuration variables from tag TAG # -v, --verbose print more informational messages than default # --no-verbose don't print the extra informational messages # --version print version information # -h, --help, --help-all print short, long, or detailed help message # # MODE must be one of the following: # # clean remove files from the build directory # compile compile a source file into a libtool object # execute automatically set library path, then run a program # finish complete the installation of libtool libraries # install install libraries or executables # link create a library or an executable # uninstall remove libraries from an installed directory # # MODE-ARGS vary depending on the MODE. When passed as first option, # `--mode=MODE' may be abbreviated as `MODE' or a unique abbreviation of that. # Try `$progname --help --mode=MODE' for a more detailed description of MODE. # # When reporting a bug, please describe a test case to reproduce it and # include the following information: # # host-triplet: $host # shell: $SHELL # compiler: $LTCC # compiler flags: $LTCFLAGS # linker: $LD (gnu? $with_gnu_ld) # $progname: (GNU libtool) 2.4.2 Debian-2.4.2-1 # automake: $automake_version # autoconf: $autoconf_version # # Report bugs to . # GNU libtool home page: . # General help using GNU software: . PROGRAM=libtool PACKAGE=libtool VERSION="2.4.2 Debian-2.4.2-1" TIMESTAMP="" package_revision=1.3337 # Be Bourne compatible if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which # is contrary to our usage. Disable this feature. alias -g '${1+"$@"}'='"$@"' setopt NO_GLOB_SUBST else case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac fi BIN_SH=xpg4; export BIN_SH # for Tru64 DUALCASE=1; export DUALCASE # for MKS sh # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF $1 _LTECHO_EOF' } # NLS nuisances: We save the old values to restore during execute mode. lt_user_locale= lt_safe_locale= for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test \"\${$lt_var+set}\" = set; then save_$lt_var=\$$lt_var $lt_var=C export $lt_var lt_user_locale=\"$lt_var=\\\$save_\$lt_var; \$lt_user_locale\" lt_safe_locale=\"$lt_var=C; \$lt_safe_locale\" fi" done LC_ALL=C LANGUAGE=C export LANGUAGE LC_ALL $lt_unset CDPATH # Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh # is ksh but when the shell is invoked as "sh" and the current value of # the _XPG environment variable is not equal to 1 (one), the special # positional parameter $0, within a function call, is the name of the # function. progpath="$0" : ${CP="cp -f"} test "${ECHO+set}" = set || ECHO=${as_echo-'printf %s\n'} : ${MAKE="make"} : ${MKDIR="mkdir"} : ${MV="mv -f"} : ${RM="rm -f"} : ${SHELL="${CONFIG_SHELL-/bin/sh}"} : ${Xsed="$SED -e 1s/^X//"} # Global variables: EXIT_SUCCESS=0 EXIT_FAILURE=1 EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing. EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake. exit_status=$EXIT_SUCCESS # Make sure IFS has a sensible default lt_nl=' ' IFS=" $lt_nl" dirname="s,/[^/]*$,," basename="s,^.*/,," # func_dirname file append nondir_replacement # Compute the dirname of FILE. If nonempty, add APPEND to the result, # otherwise set result to NONDIR_REPLACEMENT. func_dirname () { func_dirname_result=`$ECHO "${1}" | $SED "$dirname"` if test "X$func_dirname_result" = "X${1}"; then func_dirname_result="${3}" else func_dirname_result="$func_dirname_result${2}" fi } # func_dirname may be replaced by extended shell implementation # func_basename file func_basename () { func_basename_result=`$ECHO "${1}" | $SED "$basename"` } # func_basename may be replaced by extended shell implementation # func_dirname_and_basename file append nondir_replacement # perform func_basename and func_dirname in a single function # call: # dirname: Compute the dirname of FILE. If nonempty, # add APPEND to the result, otherwise set result # to NONDIR_REPLACEMENT. # value returned in "$func_dirname_result" # basename: Compute filename of FILE. # value retuned in "$func_basename_result" # Implementation must be kept synchronized with func_dirname # and func_basename. For efficiency, we do not delegate to # those functions but instead duplicate the functionality here. func_dirname_and_basename () { # Extract subdirectory from the argument. func_dirname_result=`$ECHO "${1}" | $SED -e "$dirname"` if test "X$func_dirname_result" = "X${1}"; then func_dirname_result="${3}" else func_dirname_result="$func_dirname_result${2}" fi func_basename_result=`$ECHO "${1}" | $SED -e "$basename"` } # func_dirname_and_basename may be replaced by extended shell implementation # func_stripname prefix suffix name # strip PREFIX and SUFFIX off of NAME. # PREFIX and SUFFIX must not contain globbing or regex special # characters, hashes, percent signs, but SUFFIX may contain a leading # dot (in which case that matches only a dot). # func_strip_suffix prefix name func_stripname () { case ${2} in .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;; *) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;; esac } # func_stripname may be replaced by extended shell implementation # These SED scripts presuppose an absolute path with a trailing slash. pathcar='s,^/\([^/]*\).*$,\1,' pathcdr='s,^/[^/]*,,' removedotparts=':dotsl s@/\./@/@g t dotsl s,/\.$,/,' collapseslashes='s@/\{1,\}@/@g' finalslash='s,/*$,/,' # func_normal_abspath PATH # Remove doubled-up and trailing slashes, "." path components, # and cancel out any ".." path components in PATH after making # it an absolute path. # value returned in "$func_normal_abspath_result" func_normal_abspath () { # Start from root dir and reassemble the path. func_normal_abspath_result= func_normal_abspath_tpath=$1 func_normal_abspath_altnamespace= case $func_normal_abspath_tpath in "") # Empty path, that just means $cwd. func_stripname '' '/' "`pwd`" func_normal_abspath_result=$func_stripname_result return ;; # The next three entries are used to spot a run of precisely # two leading slashes without using negated character classes; # we take advantage of case's first-match behaviour. ///*) # Unusual form of absolute path, do nothing. ;; //*) # Not necessarily an ordinary path; POSIX reserves leading '//' # and for example Cygwin uses it to access remote file shares # over CIFS/SMB, so we conserve a leading double slash if found. func_normal_abspath_altnamespace=/ ;; /*) # Absolute path, do nothing. ;; *) # Relative path, prepend $cwd. func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath ;; esac # Cancel out all the simple stuff to save iterations. We also want # the path to end with a slash for ease of parsing, so make sure # there is one (and only one) here. func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$removedotparts" -e "$collapseslashes" -e "$finalslash"` while :; do # Processed it all yet? if test "$func_normal_abspath_tpath" = / ; then # If we ascended to the root using ".." the result may be empty now. if test -z "$func_normal_abspath_result" ; then func_normal_abspath_result=/ fi break fi func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$pathcar"` func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$pathcdr"` # Figure out what to do with it case $func_normal_abspath_tcomponent in "") # Trailing empty path component, ignore it. ;; ..) # Parent dir; strip last assembled component from result. func_dirname "$func_normal_abspath_result" func_normal_abspath_result=$func_dirname_result ;; *) # Actual path component, append it. func_normal_abspath_result=$func_normal_abspath_result/$func_normal_abspath_tcomponent ;; esac done # Restore leading double-slash if one was found on entry. func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result } # func_relative_path SRCDIR DSTDIR # generates a relative path from SRCDIR to DSTDIR, with a trailing # slash if non-empty, suitable for immediately appending a filename # without needing to append a separator. # value returned in "$func_relative_path_result" func_relative_path () { func_relative_path_result= func_normal_abspath "$1" func_relative_path_tlibdir=$func_normal_abspath_result func_normal_abspath "$2" func_relative_path_tbindir=$func_normal_abspath_result # Ascend the tree starting from libdir while :; do # check if we have found a prefix of bindir case $func_relative_path_tbindir in $func_relative_path_tlibdir) # found an exact match func_relative_path_tcancelled= break ;; $func_relative_path_tlibdir*) # found a matching prefix func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir" func_relative_path_tcancelled=$func_stripname_result if test -z "$func_relative_path_result"; then func_relative_path_result=. fi break ;; *) func_dirname $func_relative_path_tlibdir func_relative_path_tlibdir=${func_dirname_result} if test "x$func_relative_path_tlibdir" = x ; then # Have to descend all the way to the root! func_relative_path_result=../$func_relative_path_result func_relative_path_tcancelled=$func_relative_path_tbindir break fi func_relative_path_result=../$func_relative_path_result ;; esac done # Now calculate path; take care to avoid doubling-up slashes. func_stripname '' '/' "$func_relative_path_result" func_relative_path_result=$func_stripname_result func_stripname '/' '/' "$func_relative_path_tcancelled" if test "x$func_stripname_result" != x ; then func_relative_path_result=${func_relative_path_result}/${func_stripname_result} fi # Normalisation. If bindir is libdir, return empty string, # else relative path ending with a slash; either way, target # file name can be directly appended. if test ! -z "$func_relative_path_result"; then func_stripname './' '' "$func_relative_path_result/" func_relative_path_result=$func_stripname_result fi } # The name of this program: func_dirname_and_basename "$progpath" progname=$func_basename_result # Make sure we have an absolute path for reexecution: case $progpath in [\\/]*|[A-Za-z]:\\*) ;; *[\\/]*) progdir=$func_dirname_result progdir=`cd "$progdir" && pwd` progpath="$progdir/$progname" ;; *) save_IFS="$IFS" IFS=${PATH_SEPARATOR-:} for progdir in $PATH; do IFS="$save_IFS" test -x "$progdir/$progname" && break done IFS="$save_IFS" test -n "$progdir" || progdir=`pwd` progpath="$progdir/$progname" ;; esac # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. Xsed="${SED}"' -e 1s/^X//' sed_quote_subst='s/\([`"$\\]\)/\\\1/g' # Same as above, but do not quote variable references. double_quote_subst='s/\(["`\\]\)/\\\1/g' # Sed substitution that turns a string into a regex matching for the # string literally. sed_make_literal_regex='s,[].[^$\\*\/],\\&,g' # Sed substitution that converts a w32 file name or path # which contains forward slashes, into one that contains # (escaped) backslashes. A very naive implementation. lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' # Re-`\' parameter expansions in output of double_quote_subst that were # `\'-ed in input to the same. If an odd number of `\' preceded a '$' # in input to double_quote_subst, that '$' was protected from expansion. # Since each input `\' is now two `\'s, look for any number of runs of # four `\'s followed by two `\'s and then a '$'. `\' that '$'. bs='\\' bs2='\\\\' bs4='\\\\\\\\' dollar='\$' sed_double_backslash="\ s/$bs4/&\\ /g s/^$bs2$dollar/$bs&/ s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g s/\n//g" # Standard options: opt_dry_run=false opt_help=false opt_quiet=false opt_verbose=false opt_warning=: # func_echo arg... # Echo program name prefixed message, along with the current mode # name if it has been set yet. func_echo () { $ECHO "$progname: ${opt_mode+$opt_mode: }$*" } # func_verbose arg... # Echo program name prefixed message in verbose mode only. func_verbose () { $opt_verbose && func_echo ${1+"$@"} # A bug in bash halts the script if the last line of a function # fails when set -e is in force, so we need another command to # work around that: : } # func_echo_all arg... # Invoke $ECHO with all args, space-separated. func_echo_all () { $ECHO "$*" } # func_error arg... # Echo program name prefixed message to standard error. func_error () { $ECHO "$progname: ${opt_mode+$opt_mode: }"${1+"$@"} 1>&2 } # func_warning arg... # Echo program name prefixed warning message to standard error. func_warning () { $opt_warning && $ECHO "$progname: ${opt_mode+$opt_mode: }warning: "${1+"$@"} 1>&2 # bash bug again: : } # func_fatal_error arg... # Echo program name prefixed message to standard error, and exit. func_fatal_error () { func_error ${1+"$@"} exit $EXIT_FAILURE } # func_fatal_help arg... # Echo program name prefixed message to standard error, followed by # a help hint, and exit. func_fatal_help () { func_error ${1+"$@"} func_fatal_error "$help" } help="Try \`$progname --help' for more information." ## default # func_grep expression filename # Check whether EXPRESSION matches any line of FILENAME, without output. func_grep () { $GREP "$1" "$2" >/dev/null 2>&1 } # func_mkdir_p directory-path # Make sure the entire path to DIRECTORY-PATH is available. func_mkdir_p () { my_directory_path="$1" my_dir_list= if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then # Protect directory names starting with `-' case $my_directory_path in -*) my_directory_path="./$my_directory_path" ;; esac # While some portion of DIR does not yet exist... while test ! -d "$my_directory_path"; do # ...make a list in topmost first order. Use a colon delimited # list incase some portion of path contains whitespace. my_dir_list="$my_directory_path:$my_dir_list" # If the last portion added has no slash in it, the list is done case $my_directory_path in */*) ;; *) break ;; esac # ...otherwise throw away the child directory and loop my_directory_path=`$ECHO "$my_directory_path" | $SED -e "$dirname"` done my_dir_list=`$ECHO "$my_dir_list" | $SED 's,:*$,,'` save_mkdir_p_IFS="$IFS"; IFS=':' for my_dir in $my_dir_list; do IFS="$save_mkdir_p_IFS" # mkdir can fail with a `File exist' error if two processes # try to create one of the directories concurrently. Don't # stop in that case! $MKDIR "$my_dir" 2>/dev/null || : done IFS="$save_mkdir_p_IFS" # Bail out if we (or some other process) failed to create a directory. test -d "$my_directory_path" || \ func_fatal_error "Failed to create \`$1'" fi } # func_mktempdir [string] # Make a temporary directory that won't clash with other running # libtool processes, and avoids race conditions if possible. If # given, STRING is the basename for that directory. func_mktempdir () { my_template="${TMPDIR-/tmp}/${1-$progname}" if test "$opt_dry_run" = ":"; then # Return a directory name, but don't create it in dry-run mode my_tmpdir="${my_template}-$$" else # If mktemp works, use that first and foremost my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null` if test ! -d "$my_tmpdir"; then # Failing that, at least try and use $RANDOM to avoid a race my_tmpdir="${my_template}-${RANDOM-0}$$" save_mktempdir_umask=`umask` umask 0077 $MKDIR "$my_tmpdir" umask $save_mktempdir_umask fi # If we're not in dry-run mode, bomb out on failure test -d "$my_tmpdir" || \ func_fatal_error "cannot create temporary directory \`$my_tmpdir'" fi $ECHO "$my_tmpdir" } # func_quote_for_eval arg # Aesthetically quote ARG to be evaled later. # This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT # is double-quoted, suitable for a subsequent eval, whereas # FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters # which are still active within double quotes backslashified. func_quote_for_eval () { case $1 in *[\\\`\"\$]*) func_quote_for_eval_unquoted_result=`$ECHO "$1" | $SED "$sed_quote_subst"` ;; *) func_quote_for_eval_unquoted_result="$1" ;; esac case $func_quote_for_eval_unquoted_result in # Double-quote args containing shell metacharacters to delay # word splitting, command substitution and and variable # expansion for a subsequent eval. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\"" ;; *) func_quote_for_eval_result="$func_quote_for_eval_unquoted_result" esac } # func_quote_for_expand arg # Aesthetically quote ARG to be evaled later; same as above, # but do not quote variable references. func_quote_for_expand () { case $1 in *[\\\`\"]*) my_arg=`$ECHO "$1" | $SED \ -e "$double_quote_subst" -e "$sed_double_backslash"` ;; *) my_arg="$1" ;; esac case $my_arg in # Double-quote args containing shell metacharacters to delay # word splitting and command substitution for a subsequent eval. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") my_arg="\"$my_arg\"" ;; esac func_quote_for_expand_result="$my_arg" } # func_show_eval cmd [fail_exp] # Unless opt_silent is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. func_show_eval () { my_cmd="$1" my_fail_exp="${2-:}" ${opt_silent-false} || { func_quote_for_expand "$my_cmd" eval "func_echo $func_quote_for_expand_result" } if ${opt_dry_run-false}; then :; else eval "$my_cmd" my_status=$? if test "$my_status" -eq 0; then :; else eval "(exit $my_status); $my_fail_exp" fi fi } # func_show_eval_locale cmd [fail_exp] # Unless opt_silent is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. Use the saved locale for evaluation. func_show_eval_locale () { my_cmd="$1" my_fail_exp="${2-:}" ${opt_silent-false} || { func_quote_for_expand "$my_cmd" eval "func_echo $func_quote_for_expand_result" } if ${opt_dry_run-false}; then :; else eval "$lt_user_locale $my_cmd" my_status=$? eval "$lt_safe_locale" if test "$my_status" -eq 0; then :; else eval "(exit $my_status); $my_fail_exp" fi fi } # func_tr_sh # Turn $1 into a string suitable for a shell variable name. # Result is stored in $func_tr_sh_result. All characters # not in the set a-zA-Z0-9_ are replaced with '_'. Further, # if $1 begins with a digit, a '_' is prepended as well. func_tr_sh () { case $1 in [0-9]* | *[!a-zA-Z0-9_]*) func_tr_sh_result=`$ECHO "$1" | $SED 's/^\([0-9]\)/_\1/; s/[^a-zA-Z0-9_]/_/g'` ;; * ) func_tr_sh_result=$1 ;; esac } # func_version # Echo version message to standard output and exit. func_version () { $opt_debug $SED -n '/(C)/!b go :more /\./!{ N s/\n# / / b more } :go /^# '$PROGRAM' (GNU /,/# warranty; / { s/^# // s/^# *$// s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/ p }' < "$progpath" exit $? } # func_usage # Echo short help message to standard output and exit. func_usage () { $opt_debug $SED -n '/^# Usage:/,/^# *.*--help/ { s/^# // s/^# *$// s/\$progname/'$progname'/ p }' < "$progpath" echo $ECHO "run \`$progname --help | more' for full usage" exit $? } # func_help [NOEXIT] # Echo long help message to standard output and exit, # unless 'noexit' is passed as argument. func_help () { $opt_debug $SED -n '/^# Usage:/,/# Report bugs to/ { :print s/^# // s/^# *$// s*\$progname*'$progname'* s*\$host*'"$host"'* s*\$SHELL*'"$SHELL"'* s*\$LTCC*'"$LTCC"'* s*\$LTCFLAGS*'"$LTCFLAGS"'* s*\$LD*'"$LD"'* s/\$with_gnu_ld/'"$with_gnu_ld"'/ s/\$automake_version/'"`(${AUTOMAKE-automake} --version) 2>/dev/null |$SED 1q`"'/ s/\$autoconf_version/'"`(${AUTOCONF-autoconf} --version) 2>/dev/null |$SED 1q`"'/ p d } /^# .* home page:/b print /^# General help using/b print ' < "$progpath" ret=$? if test -z "$1"; then exit $ret fi } # func_missing_arg argname # Echo program name prefixed message to standard error and set global # exit_cmd. func_missing_arg () { $opt_debug func_error "missing argument for $1." exit_cmd=exit } # func_split_short_opt shortopt # Set func_split_short_opt_name and func_split_short_opt_arg shell # variables after splitting SHORTOPT after the 2nd character. func_split_short_opt () { my_sed_short_opt='1s/^\(..\).*$/\1/;q' my_sed_short_rest='1s/^..\(.*\)$/\1/;q' func_split_short_opt_name=`$ECHO "$1" | $SED "$my_sed_short_opt"` func_split_short_opt_arg=`$ECHO "$1" | $SED "$my_sed_short_rest"` } # func_split_short_opt may be replaced by extended shell implementation # func_split_long_opt longopt # Set func_split_long_opt_name and func_split_long_opt_arg shell # variables after splitting LONGOPT at the `=' sign. func_split_long_opt () { my_sed_long_opt='1s/^\(--[^=]*\)=.*/\1/;q' my_sed_long_arg='1s/^--[^=]*=//' func_split_long_opt_name=`$ECHO "$1" | $SED "$my_sed_long_opt"` func_split_long_opt_arg=`$ECHO "$1" | $SED "$my_sed_long_arg"` } # func_split_long_opt may be replaced by extended shell implementation exit_cmd=: magic="%%%MAGIC variable%%%" magic_exe="%%%MAGIC EXE variable%%%" # Global variables. nonopt= preserve_args= lo2o="s/\\.lo\$/.${objext}/" o2lo="s/\\.${objext}\$/.lo/" extracted_archives= extracted_serial=0 # If this variable is set in any of the actions, the command in it # will be execed at the end. This prevents here-documents from being # left over by shells. exec_cmd= # func_append var value # Append VALUE to the end of shell variable VAR. func_append () { eval "${1}=\$${1}\${2}" } # func_append may be replaced by extended shell implementation # func_append_quoted var value # Quote VALUE and append to the end of shell variable VAR, separated # by a space. func_append_quoted () { func_quote_for_eval "${2}" eval "${1}=\$${1}\\ \$func_quote_for_eval_result" } # func_append_quoted may be replaced by extended shell implementation # func_arith arithmetic-term... func_arith () { func_arith_result=`expr "${@}"` } # func_arith may be replaced by extended shell implementation # func_len string # STRING may not start with a hyphen. func_len () { func_len_result=`expr "${1}" : ".*" 2>/dev/null || echo $max_cmd_len` } # func_len may be replaced by extended shell implementation # func_lo2o object func_lo2o () { func_lo2o_result=`$ECHO "${1}" | $SED "$lo2o"` } # func_lo2o may be replaced by extended shell implementation # func_xform libobj-or-source func_xform () { func_xform_result=`$ECHO "${1}" | $SED 's/\.[^.]*$/.lo/'` } # func_xform may be replaced by extended shell implementation # func_fatal_configuration arg... # Echo program name prefixed message to standard error, followed by # a configuration failure hint, and exit. func_fatal_configuration () { func_error ${1+"$@"} func_error "See the $PACKAGE documentation for more information." func_fatal_error "Fatal configuration error." } # func_config # Display the configuration for all the tags in this script. func_config () { re_begincf='^# ### BEGIN LIBTOOL' re_endcf='^# ### END LIBTOOL' # Default configuration. $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" # Now print the configurations for the tags. for tagname in $taglist; do $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" done exit $? } # func_features # Display the features supported by this script. func_features () { echo "host: $host" if test "$build_libtool_libs" = yes; then echo "enable shared libraries" else echo "disable shared libraries" fi if test "$build_old_libs" = yes; then echo "enable static libraries" else echo "disable static libraries" fi exit $? } # func_enable_tag tagname # Verify that TAGNAME is valid, and either flag an error and exit, or # enable the TAGNAME tag. We also add TAGNAME to the global $taglist # variable here. func_enable_tag () { # Global variable: tagname="$1" re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" sed_extractcf="/$re_begincf/,/$re_endcf/p" # Validate tagname. case $tagname in *[!-_A-Za-z0-9,/]*) func_fatal_error "invalid tag name: $tagname" ;; esac # Don't test for the "default" C tag, as we know it's # there but not specially marked. case $tagname in CC) ;; *) if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then taglist="$taglist $tagname" # Evaluate the configuration. Be careful to quote the path # and the sed script, to avoid splitting on whitespace, but # also don't use non-portable quotes within backquotes within # quotes we have to do it in 2 steps: extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` eval "$extractedcf" else func_error "ignoring unknown tag $tagname" fi ;; esac } # func_check_version_match # Ensure that we are using m4 macros, and libtool script from the same # release of libtool. func_check_version_match () { if test "$package_revision" != "$macro_revision"; then if test "$VERSION" != "$macro_version"; then if test -z "$macro_version"; then cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from an older release. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from $PACKAGE $macro_version. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF fi else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, $progname: but the definition of this LT_INIT comes from revision $macro_revision. $progname: You should recreate aclocal.m4 with macros from revision $package_revision $progname: of $PACKAGE $VERSION and run autoconf again. _LT_EOF fi exit $EXIT_MISMATCH fi } # Shorthand for --mode=foo, only valid as the first argument case $1 in clean|clea|cle|cl) shift; set dummy --mode clean ${1+"$@"}; shift ;; compile|compil|compi|comp|com|co|c) shift; set dummy --mode compile ${1+"$@"}; shift ;; execute|execut|execu|exec|exe|ex|e) shift; set dummy --mode execute ${1+"$@"}; shift ;; finish|finis|fini|fin|fi|f) shift; set dummy --mode finish ${1+"$@"}; shift ;; install|instal|insta|inst|ins|in|i) shift; set dummy --mode install ${1+"$@"}; shift ;; link|lin|li|l) shift; set dummy --mode link ${1+"$@"}; shift ;; uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) shift; set dummy --mode uninstall ${1+"$@"}; shift ;; esac # Option defaults: opt_debug=: opt_dry_run=false opt_config=false opt_preserve_dup_deps=false opt_features=false opt_finish=false opt_help=false opt_help_all=false opt_silent=: opt_warning=: opt_verbose=: opt_silent=false opt_verbose=false # Parse options once, thoroughly. This comes as soon as possible in the # script to make things like `--version' happen as quickly as we can. { # this just eases exit handling while test $# -gt 0; do opt="$1" shift case $opt in --debug|-x) opt_debug='set -x' func_echo "enabling shell trace mode" $opt_debug ;; --dry-run|--dryrun|-n) opt_dry_run=: ;; --config) opt_config=: func_config ;; --dlopen|-dlopen) optarg="$1" opt_dlopen="${opt_dlopen+$opt_dlopen }$optarg" shift ;; --preserve-dup-deps) opt_preserve_dup_deps=: ;; --features) opt_features=: func_features ;; --finish) opt_finish=: set dummy --mode finish ${1+"$@"}; shift ;; --help) opt_help=: ;; --help-all) opt_help_all=: opt_help=': help-all' ;; --mode) test $# = 0 && func_missing_arg $opt && break optarg="$1" opt_mode="$optarg" case $optarg in # Valid mode arguments: clean|compile|execute|finish|install|link|relink|uninstall) ;; # Catch anything else as an error *) func_error "invalid argument for $opt" exit_cmd=exit break ;; esac shift ;; --no-silent|--no-quiet) opt_silent=false func_append preserve_args " $opt" ;; --no-warning|--no-warn) opt_warning=false func_append preserve_args " $opt" ;; --no-verbose) opt_verbose=false func_append preserve_args " $opt" ;; --silent|--quiet) opt_silent=: func_append preserve_args " $opt" opt_verbose=false ;; --verbose|-v) opt_verbose=: func_append preserve_args " $opt" opt_silent=false ;; --tag) test $# = 0 && func_missing_arg $opt && break optarg="$1" opt_tag="$optarg" func_append preserve_args " $opt $optarg" func_enable_tag "$optarg" shift ;; -\?|-h) func_usage ;; --help) func_help ;; --version) func_version ;; # Separate optargs to long options: --*=*) func_split_long_opt "$opt" set dummy "$func_split_long_opt_name" "$func_split_long_opt_arg" ${1+"$@"} shift ;; # Separate non-argument short options: -\?*|-h*|-n*|-v*) func_split_short_opt "$opt" set dummy "$func_split_short_opt_name" "-$func_split_short_opt_arg" ${1+"$@"} shift ;; --) break ;; -*) func_fatal_help "unrecognized option \`$opt'" ;; *) set dummy "$opt" ${1+"$@"}; shift; break ;; esac done # Validate options: # save first non-option argument if test "$#" -gt 0; then nonopt="$opt" shift fi # preserve --debug test "$opt_debug" = : || func_append preserve_args " --debug" case $host in *cygwin* | *mingw* | *pw32* | *cegcc*) # don't eliminate duplications in $postdeps and $predeps opt_duplicate_compiler_generated_deps=: ;; *) opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps ;; esac $opt_help || { # Sanity checks first: func_check_version_match if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then func_fatal_configuration "not configured to build any kind of library" fi # Darwin sucks eval std_shrext=\"$shrext_cmds\" # Only execute mode is allowed to have -dlopen flags. if test -n "$opt_dlopen" && test "$opt_mode" != execute; then func_error "unrecognized option \`-dlopen'" $ECHO "$help" 1>&2 exit $EXIT_FAILURE fi # Change the help message to a mode-specific one. generic_help="$help" help="Try \`$progname --help --mode=$opt_mode' for more information." } # Bail if the options were screwed $exit_cmd $EXIT_FAILURE } ## ----------- ## ## Main. ## ## ----------- ## # func_lalib_p file # True iff FILE is a libtool `.la' library or `.lo' object file. # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_lalib_p () { test -f "$1" && $SED -e 4q "$1" 2>/dev/null \ | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 } # func_lalib_unsafe_p file # True iff FILE is a libtool `.la' library or `.lo' object file. # This function implements the same check as func_lalib_p without # resorting to external programs. To this end, it redirects stdin and # closes it afterwards, without saving the original file descriptor. # As a safety measure, use it only where a negative result would be # fatal anyway. Works if `file' does not exist. func_lalib_unsafe_p () { lalib_p=no if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then for lalib_p_l in 1 2 3 4 do read lalib_p_line case "$lalib_p_line" in \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; esac done exec 0<&5 5<&- fi test "$lalib_p" = yes } # func_ltwrapper_script_p file # True iff FILE is a libtool wrapper script # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_script_p () { func_lalib_p "$1" } # func_ltwrapper_executable_p file # True iff FILE is a libtool wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_executable_p () { func_ltwrapper_exec_suffix= case $1 in *.exe) ;; *) func_ltwrapper_exec_suffix=.exe ;; esac $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 } # func_ltwrapper_scriptname file # Assumes file is an ltwrapper_executable # uses $file to determine the appropriate filename for a # temporary ltwrapper_script. func_ltwrapper_scriptname () { func_dirname_and_basename "$1" "" "." func_stripname '' '.exe' "$func_basename_result" func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper" } # func_ltwrapper_p file # True iff FILE is a libtool wrapper script or wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_p () { func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" } # func_execute_cmds commands fail_cmd # Execute tilde-delimited COMMANDS. # If FAIL_CMD is given, eval that upon failure. # FAIL_CMD may read-access the current command in variable CMD! func_execute_cmds () { $opt_debug save_ifs=$IFS; IFS='~' for cmd in $1; do IFS=$save_ifs eval cmd=\"$cmd\" func_show_eval "$cmd" "${2-:}" done IFS=$save_ifs } # func_source file # Source FILE, adding directory component if necessary. # Note that it is not necessary on cygwin/mingw to append a dot to # FILE even if both FILE and FILE.exe exist: automatic-append-.exe # behavior happens only for exec(3), not for open(2)! Also, sourcing # `FILE.' does not work on cygwin managed mounts. func_source () { $opt_debug case $1 in */* | *\\*) . "$1" ;; *) . "./$1" ;; esac } # func_resolve_sysroot PATH # Replace a leading = in PATH with a sysroot. Store the result into # func_resolve_sysroot_result func_resolve_sysroot () { func_resolve_sysroot_result=$1 case $func_resolve_sysroot_result in =*) func_stripname '=' '' "$func_resolve_sysroot_result" func_resolve_sysroot_result=$lt_sysroot$func_stripname_result ;; esac } # func_replace_sysroot PATH # If PATH begins with the sysroot, replace it with = and # store the result into func_replace_sysroot_result. func_replace_sysroot () { case "$lt_sysroot:$1" in ?*:"$lt_sysroot"*) func_stripname "$lt_sysroot" '' "$1" func_replace_sysroot_result="=$func_stripname_result" ;; *) # Including no sysroot. func_replace_sysroot_result=$1 ;; esac } # func_infer_tag arg # Infer tagged configuration to use if any are available and # if one wasn't chosen via the "--tag" command line option. # Only attempt this if the compiler in the base compile # command doesn't match the default compiler. # arg is usually of the form 'gcc ...' func_infer_tag () { $opt_debug if test -n "$available_tags" && test -z "$tagname"; then CC_quoted= for arg in $CC; do func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case $@ in # Blanks in the command may have been stripped by the calling shell, # but not from the CC environment variable when configure was run. " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; # Blanks at the start of $base_compile will cause this to fail # if we don't check for them as well. *) for z in $available_tags; do if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then # Evaluate the configuration. eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" CC_quoted= for arg in $CC; do # Double-quote args containing other shell metacharacters. func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case "$@ " in " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) # The compiler in the base compile command matches # the one in the tagged configuration. # Assume this is the tagged configuration we want. tagname=$z break ;; esac fi done # If $tagname still isn't set, then no tagged configuration # was found and let the user know that the "--tag" command # line option must be used. if test -z "$tagname"; then func_echo "unable to infer tagged configuration" func_fatal_error "specify a tag with \`--tag'" # else # func_verbose "using $tagname tagged configuration" fi ;; esac fi } # func_write_libtool_object output_name pic_name nonpic_name # Create a libtool object file (analogous to a ".la" file), # but don't create it if we're doing a dry run. func_write_libtool_object () { write_libobj=${1} if test "$build_libtool_libs" = yes; then write_lobj=\'${2}\' else write_lobj=none fi if test "$build_old_libs" = yes; then write_oldobj=\'${3}\' else write_oldobj=none fi $opt_dry_run || { cat >${write_libobj}T </dev/null` if test "$?" -eq 0 && test -n "${func_convert_core_file_wine_to_w32_tmp}"; then func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | $SED -e "$lt_sed_naive_backslashify"` else func_convert_core_file_wine_to_w32_result= fi fi } # end: func_convert_core_file_wine_to_w32 # func_convert_core_path_wine_to_w32 ARG # Helper function used by path conversion functions when $build is *nix, and # $host is mingw, cygwin, or some other w32 environment. Relies on a correctly # configured wine environment available, with the winepath program in $build's # $PATH. Assumes ARG has no leading or trailing path separator characters. # # ARG is path to be converted from $build format to win32. # Result is available in $func_convert_core_path_wine_to_w32_result. # Unconvertible file (directory) names in ARG are skipped; if no directory names # are convertible, then the result may be empty. func_convert_core_path_wine_to_w32 () { $opt_debug # unfortunately, winepath doesn't convert paths, only file names func_convert_core_path_wine_to_w32_result="" if test -n "$1"; then oldIFS=$IFS IFS=: for func_convert_core_path_wine_to_w32_f in $1; do IFS=$oldIFS func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" if test -n "$func_convert_core_file_wine_to_w32_result" ; then if test -z "$func_convert_core_path_wine_to_w32_result"; then func_convert_core_path_wine_to_w32_result="$func_convert_core_file_wine_to_w32_result" else func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" fi fi done IFS=$oldIFS fi } # end: func_convert_core_path_wine_to_w32 # func_cygpath ARGS... # Wrapper around calling the cygpath program via LT_CYGPATH. This is used when # when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) # $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or # (2), returns the Cygwin file name or path in func_cygpath_result (input # file name or path is assumed to be in w32 format, as previously converted # from $build's *nix or MSYS format). In case (3), returns the w32 file name # or path in func_cygpath_result (input file name or path is assumed to be in # Cygwin format). Returns an empty string on error. # # ARGS are passed to cygpath, with the last one being the file name or path to # be converted. # # Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH # environment variable; do not put it in $PATH. func_cygpath () { $opt_debug if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` if test "$?" -ne 0; then # on failure, ensure result is empty func_cygpath_result= fi else func_cygpath_result= func_error "LT_CYGPATH is empty or specifies non-existent file: \`$LT_CYGPATH'" fi } #end: func_cygpath # func_convert_core_msys_to_w32 ARG # Convert file name or path ARG from MSYS format to w32 format. Return # result in func_convert_core_msys_to_w32_result. func_convert_core_msys_to_w32 () { $opt_debug # awkward: cmd appends spaces to result func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"` } #end: func_convert_core_msys_to_w32 # func_convert_file_check ARG1 ARG2 # Verify that ARG1 (a file name in $build format) was converted to $host # format in ARG2. Otherwise, emit an error message, but continue (resetting # func_to_host_file_result to ARG1). func_convert_file_check () { $opt_debug if test -z "$2" && test -n "$1" ; then func_error "Could not determine host file name corresponding to" func_error " \`$1'" func_error "Continuing, but uninstalled executables may not work." # Fallback: func_to_host_file_result="$1" fi } # end func_convert_file_check # func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH # Verify that FROM_PATH (a path in $build format) was converted to $host # format in TO_PATH. Otherwise, emit an error message, but continue, resetting # func_to_host_file_result to a simplistic fallback value (see below). func_convert_path_check () { $opt_debug if test -z "$4" && test -n "$3"; then func_error "Could not determine the host path corresponding to" func_error " \`$3'" func_error "Continuing, but uninstalled executables may not work." # Fallback. This is a deliberately simplistic "conversion" and # should not be "improved". See libtool.info. if test "x$1" != "x$2"; then lt_replace_pathsep_chars="s|$1|$2|g" func_to_host_path_result=`echo "$3" | $SED -e "$lt_replace_pathsep_chars"` else func_to_host_path_result="$3" fi fi } # end func_convert_path_check # func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG # Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT # and appending REPL if ORIG matches BACKPAT. func_convert_path_front_back_pathsep () { $opt_debug case $4 in $1 ) func_to_host_path_result="$3$func_to_host_path_result" ;; esac case $4 in $2 ) func_append func_to_host_path_result "$3" ;; esac } # end func_convert_path_front_back_pathsep ################################################## # $build to $host FILE NAME CONVERSION FUNCTIONS # ################################################## # invoked via `$to_host_file_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # Result will be available in $func_to_host_file_result. # func_to_host_file ARG # Converts the file name ARG from $build format to $host format. Return result # in func_to_host_file_result. func_to_host_file () { $opt_debug $to_host_file_cmd "$1" } # end func_to_host_file # func_to_tool_file ARG LAZY # converts the file name ARG from $build format to toolchain format. Return # result in func_to_tool_file_result. If the conversion in use is listed # in (the comma separated) LAZY, no conversion takes place. func_to_tool_file () { $opt_debug case ,$2, in *,"$to_tool_file_cmd",*) func_to_tool_file_result=$1 ;; *) $to_tool_file_cmd "$1" func_to_tool_file_result=$func_to_host_file_result ;; esac } # end func_to_tool_file # func_convert_file_noop ARG # Copy ARG to func_to_host_file_result. func_convert_file_noop () { func_to_host_file_result="$1" } # end func_convert_file_noop # func_convert_file_msys_to_w32 ARG # Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_file_result. func_convert_file_msys_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_to_host_file_result="$func_convert_core_msys_to_w32_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_w32 # func_convert_file_cygwin_to_w32 ARG # Convert file name ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_file_cygwin_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then # because $build is cygwin, we call "the" cygpath in $PATH; no need to use # LT_CYGPATH in this case. func_to_host_file_result=`cygpath -m "$1"` fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_cygwin_to_w32 # func_convert_file_nix_to_w32 ARG # Convert file name ARG from *nix to w32 format. Requires a wine environment # and a working winepath. Returns result in func_to_host_file_result. func_convert_file_nix_to_w32 () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_file_wine_to_w32 "$1" func_to_host_file_result="$func_convert_core_file_wine_to_w32_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_w32 # func_convert_file_msys_to_cygwin ARG # Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_file_msys_to_cygwin () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_cygpath -u "$func_convert_core_msys_to_w32_result" func_to_host_file_result="$func_cygpath_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_cygwin # func_convert_file_nix_to_cygwin ARG # Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed # in a wine environment, working winepath, and LT_CYGPATH set. Returns result # in func_to_host_file_result. func_convert_file_nix_to_cygwin () { $opt_debug func_to_host_file_result="$1" if test -n "$1"; then # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. func_convert_core_file_wine_to_w32 "$1" func_cygpath -u "$func_convert_core_file_wine_to_w32_result" func_to_host_file_result="$func_cygpath_result" fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_cygwin ############################################# # $build to $host PATH CONVERSION FUNCTIONS # ############################################# # invoked via `$to_host_path_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # The result will be available in $func_to_host_path_result. # # Path separators are also converted from $build format to $host format. If # ARG begins or ends with a path separator character, it is preserved (but # converted to $host format) on output. # # All path conversion functions are named using the following convention: # file name conversion function : func_convert_file_X_to_Y () # path conversion function : func_convert_path_X_to_Y () # where, for any given $build/$host combination the 'X_to_Y' value is the # same. If conversion functions are added for new $build/$host combinations, # the two new functions must follow this pattern, or func_init_to_host_path_cmd # will break. # func_init_to_host_path_cmd # Ensures that function "pointer" variable $to_host_path_cmd is set to the # appropriate value, based on the value of $to_host_file_cmd. to_host_path_cmd= func_init_to_host_path_cmd () { $opt_debug if test -z "$to_host_path_cmd"; then func_stripname 'func_convert_file_' '' "$to_host_file_cmd" to_host_path_cmd="func_convert_path_${func_stripname_result}" fi } # func_to_host_path ARG # Converts the path ARG from $build format to $host format. Return result # in func_to_host_path_result. func_to_host_path () { $opt_debug func_init_to_host_path_cmd $to_host_path_cmd "$1" } # end func_to_host_path # func_convert_path_noop ARG # Copy ARG to func_to_host_path_result. func_convert_path_noop () { func_to_host_path_result="$1" } # end func_convert_path_noop # func_convert_path_msys_to_w32 ARG # Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_path_result. func_convert_path_msys_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # Remove leading and trailing path separator characters from ARG. MSYS # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; # and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result="$func_convert_core_msys_to_w32_result" func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_msys_to_w32 # func_convert_path_cygwin_to_w32 ARG # Convert path ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_path_cygwin_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_cygwin_to_w32 # func_convert_path_nix_to_w32 ARG # Convert path ARG from *nix to w32 format. Requires a wine environment and # a working winepath. Returns result in func_to_host_file_result. func_convert_path_nix_to_w32 () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result="$func_convert_core_path_wine_to_w32_result" func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_nix_to_w32 # func_convert_path_msys_to_cygwin ARG # Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_path_msys_to_cygwin () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_msys_to_w32_result" func_to_host_path_result="$func_cygpath_result" func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_msys_to_cygwin # func_convert_path_nix_to_cygwin ARG # Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a # a wine environment, working winepath, and LT_CYGPATH set. Returns result in # func_to_host_file_result. func_convert_path_nix_to_cygwin () { $opt_debug func_to_host_path_result="$1" if test -n "$1"; then # Remove leading and trailing path separator characters from # ARG. msys behavior is inconsistent here, cygpath turns them # into '.;' and ';.', and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" func_to_host_path_result="$func_cygpath_result" func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_nix_to_cygwin # func_mode_compile arg... func_mode_compile () { $opt_debug # Get the compilation command and the source file. base_compile= srcfile="$nonopt" # always keep a non-empty value in "srcfile" suppress_opt=yes suppress_output= arg_mode=normal libobj= later= pie_flag= for arg do case $arg_mode in arg ) # do not "continue". Instead, add this to base_compile lastarg="$arg" arg_mode=normal ;; target ) libobj="$arg" arg_mode=normal continue ;; normal ) # Accept any command-line options. case $arg in -o) test -n "$libobj" && \ func_fatal_error "you cannot specify \`-o' more than once" arg_mode=target continue ;; -pie | -fpie | -fPIE) func_append pie_flag " $arg" continue ;; -shared | -static | -prefer-pic | -prefer-non-pic) func_append later " $arg" continue ;; -no-suppress) suppress_opt=no continue ;; -Xcompiler) arg_mode=arg # the next one goes into the "base_compile" arg list continue # The current "srcfile" will either be retained or ;; # replaced later. I would guess that would be a bug. -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result lastarg= save_ifs="$IFS"; IFS=',' for arg in $args; do IFS="$save_ifs" func_append_quoted lastarg "$arg" done IFS="$save_ifs" func_stripname ' ' '' "$lastarg" lastarg=$func_stripname_result # Add the arguments to base_compile. func_append base_compile " $lastarg" continue ;; *) # Accept the current argument as the source file. # The previous "srcfile" becomes the current argument. # lastarg="$srcfile" srcfile="$arg" ;; esac # case $arg ;; esac # case $arg_mode # Aesthetically quote the previous argument. func_append_quoted base_compile "$lastarg" done # for arg case $arg_mode in arg) func_fatal_error "you must specify an argument for -Xcompile" ;; target) func_fatal_error "you must specify a target with \`-o'" ;; *) # Get the name of the library object. test -z "$libobj" && { func_basename "$srcfile" libobj="$func_basename_result" } ;; esac # Recognize several different file suffixes. # If the user specifies -o file.o, it is replaced with file.lo case $libobj in *.[cCFSifmso] | \ *.ada | *.adb | *.ads | *.asm | \ *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) func_xform "$libobj" libobj=$func_xform_result ;; esac case $libobj in *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; *) func_fatal_error "cannot determine name of library object from \`$libobj'" ;; esac func_infer_tag $base_compile for arg in $later; do case $arg in -shared) test "$build_libtool_libs" != yes && \ func_fatal_configuration "can not build a shared library" build_old_libs=no continue ;; -static) build_libtool_libs=no build_old_libs=yes continue ;; -prefer-pic) pic_mode=yes continue ;; -prefer-non-pic) pic_mode=no continue ;; esac done func_quote_for_eval "$libobj" test "X$libobj" != "X$func_quote_for_eval_result" \ && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ && func_warning "libobj name \`$libobj' may not contain shell special characters." func_dirname_and_basename "$obj" "/" "" objname="$func_basename_result" xdir="$func_dirname_result" lobj=${xdir}$objdir/$objname test -z "$base_compile" && \ func_fatal_help "you must specify a compilation command" # Delete any leftover library objects. if test "$build_old_libs" = yes; then removelist="$obj $lobj $libobj ${libobj}T" else removelist="$lobj $libobj ${libobj}T" fi # On Cygwin there's no "real" PIC flag so we must build both object types case $host_os in cygwin* | mingw* | pw32* | os2* | cegcc*) pic_mode=default ;; esac if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then # non-PIC code in shared libraries is not supported pic_mode=default fi # Calculate the filename of the output object if compiler does # not support -o with -c if test "$compiler_c_o" = no; then output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.${objext} lockfile="$output_obj.lock" else output_obj= need_locks=no lockfile= fi # Lock this critical section if it is needed # We use this script file to make the link, it avoids creating a new file if test "$need_locks" = yes; then until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done elif test "$need_locks" = warn; then if test -f "$lockfile"; then $ECHO "\ *** ERROR, $lockfile exists and contains: `cat $lockfile 2>/dev/null` This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi func_append removelist " $output_obj" $ECHO "$srcfile" > "$lockfile" fi $opt_dry_run || $RM $removelist func_append removelist " $lockfile" trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 srcfile=$func_to_tool_file_result func_quote_for_eval "$srcfile" qsrcfile=$func_quote_for_eval_result # Only build a PIC object if we are building libtool libraries. if test "$build_libtool_libs" = yes; then # Without this assignment, base_compile gets emptied. fbsd_hideous_sh_bug=$base_compile if test "$pic_mode" != no; then command="$base_compile $qsrcfile $pic_flag" else # Don't build PIC code command="$base_compile $qsrcfile" fi func_mkdir_p "$xdir$objdir" if test -z "$output_obj"; then # Place PIC objects in $objdir func_append command " -o $lobj" fi func_show_eval_locale "$command" \ 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' if test "$need_locks" = warn && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed, then go on to compile the next one if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then func_show_eval '$MV "$output_obj" "$lobj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi # Allow error messages only from the first compilation. if test "$suppress_opt" = yes; then suppress_output=' >/dev/null 2>&1' fi fi # Only build a position-dependent object if we build old libraries. if test "$build_old_libs" = yes; then if test "$pic_mode" != yes; then # Don't build PIC code command="$base_compile $qsrcfile$pie_flag" else command="$base_compile $qsrcfile $pic_flag" fi if test "$compiler_c_o" = yes; then func_append command " -o $obj" fi # Suppress compiler output if we already did a PIC compilation. func_append command "$suppress_output" func_show_eval_locale "$command" \ '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' if test "$need_locks" = warn && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support \`-c' and \`-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then func_show_eval '$MV "$output_obj" "$obj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi fi $opt_dry_run || { func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" # Unlock the critical section if it was locked if test "$need_locks" != no; then removelist=$lockfile $RM "$lockfile" fi } exit $EXIT_SUCCESS } $opt_help || { test "$opt_mode" = compile && func_mode_compile ${1+"$@"} } func_mode_help () { # We need to display help for each of the modes. case $opt_mode in "") # Generic help is extracted from the usage comments # at the start of this file. func_help ;; clean) $ECHO \ "Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... Remove files from the build directory. RM is the name of the program to use to delete files associated with each FILE (typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed to RM. If FILE is a libtool library, object or program, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; compile) $ECHO \ "Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE Compile a source file into a libtool library object. This mode accepts the following additional options: -o OUTPUT-FILE set the output file name to OUTPUT-FILE -no-suppress do not suppress compiler output for multiple passes -prefer-pic try to build PIC objects only -prefer-non-pic try to build non-PIC objects only -shared do not build a \`.o' file suitable for static linking -static only build a \`.o' file suitable for static linking -Wc,FLAG pass FLAG directly to the compiler COMPILE-COMMAND is a command to be used in creating a \`standard' object file from the given SOURCEFILE. The output file name is determined by removing the directory component from SOURCEFILE, then substituting the C source code suffix \`.c' with the library object suffix, \`.lo'." ;; execute) $ECHO \ "Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... Automatically set library path, then run a program. This mode accepts the following additional options: -dlopen FILE add the directory containing FILE to the library path This mode sets the library path environment variable according to \`-dlopen' flags. If any of the ARGS are libtool executable wrappers, then they are translated into their corresponding uninstalled binary, and any of their required library directories are added to the library path. Then, COMMAND is executed, with ARGS as arguments." ;; finish) $ECHO \ "Usage: $progname [OPTION]... --mode=finish [LIBDIR]... Complete the installation of libtool libraries. Each LIBDIR is a directory that contains libtool libraries. The commands that this mode executes may require superuser privileges. Use the \`--dry-run' option if you just want to see what would be executed." ;; install) $ECHO \ "Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... Install executables or libraries. INSTALL-COMMAND is the installation command. The first component should be either the \`install' or \`cp' program. The following components of INSTALL-COMMAND are treated specially: -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation The rest of the components are interpreted as arguments to that command (only BSD-compatible install options are recognized)." ;; link) $ECHO \ "Usage: $progname [OPTION]... --mode=link LINK-COMMAND... Link object files or libraries together to form another library, or to create an executable program. LINK-COMMAND is a command using the C compiler that you would use to create a program from several object files. The following components of LINK-COMMAND are treated specially: -all-static do not do any dynamic linking at all -avoid-version do not add a version suffix if possible -bindir BINDIR specify path to binaries directory (for systems where libraries must be found in the PATH setting at runtime) -dlopen FILE \`-dlpreopen' FILE if it cannot be dlopened at runtime -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) -export-symbols SYMFILE try to export only the symbols listed in SYMFILE -export-symbols-regex REGEX try to export only the symbols matching REGEX -LLIBDIR search LIBDIR for required installed libraries -lNAME OUTPUT-FILE requires the installed library libNAME -module build a library that can dlopened -no-fast-install disable the fast-install mode -no-install link a not-installable executable -no-undefined declare that a library does not refer to external symbols -o OUTPUT-FILE create OUTPUT-FILE from the specified objects -objectlist FILE Use a list of object files found in FILE to specify objects -precious-files-regex REGEX don't remove output files matching REGEX -release RELEASE specify package release information -rpath LIBDIR the created library will eventually be installed in LIBDIR -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries -shared only do dynamic linking of libtool libraries -shrext SUFFIX override the standard shared library file extension -static do not do any dynamic linking of uninstalled libtool libraries -static-libtool-libs do not do any dynamic linking of libtool libraries -version-info CURRENT[:REVISION[:AGE]] specify library version info [each variable defaults to 0] -weak LIBNAME declare that the target provides the LIBNAME interface -Wc,FLAG -Xcompiler FLAG pass linker-specific FLAG directly to the compiler -Wl,FLAG -Xlinker FLAG pass linker-specific FLAG directly to the linker -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) All other options (arguments beginning with \`-') are ignored. Every other argument is treated as a filename. Files ending in \`.la' are treated as uninstalled libtool libraries, other files are standard or library object files. If the OUTPUT-FILE ends in \`.la', then a libtool library is created, only library objects (\`.lo' files) may be specified, and \`-rpath' is required, except when creating a convenience library. If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created using \`ar' and \`ranlib', or on Windows using \`lib'. If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file is created, otherwise an executable program is created." ;; uninstall) $ECHO \ "Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... Remove libraries from an installation directory. RM is the name of the program to use to delete files associated with each FILE (typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed to RM. If FILE is a libtool library, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; *) func_fatal_help "invalid operation mode \`$opt_mode'" ;; esac echo $ECHO "Try \`$progname --help' for more information about other modes." } # Now that we've collected a possible --mode arg, show help if necessary if $opt_help; then if test "$opt_help" = :; then func_mode_help else { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do func_mode_help done } | sed -n '1p; 2,$s/^Usage:/ or: /p' { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do echo func_mode_help done } | sed '1d /^When reporting/,/^Report/{ H d } $x /information about other modes/d /more detailed .*MODE/d s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' fi exit $? fi # func_mode_execute arg... func_mode_execute () { $opt_debug # The first argument is the command name. cmd="$nonopt" test -z "$cmd" && \ func_fatal_help "you must specify a COMMAND" # Handle -dlopen flags immediately. for file in $opt_dlopen; do test -f "$file" \ || func_fatal_help "\`$file' is not a file" dir= case $file in *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "\`$lib' is not a valid libtool archive" # Read the libtool library. dlname= library_names= func_source "$file" # Skip this library if it cannot be dlopened. if test -z "$dlname"; then # Warn if it was a shared library. test -n "$library_names" && \ func_warning "\`$file' was not linked with \`-export-dynamic'" continue fi func_dirname "$file" "" "." dir="$func_dirname_result" if test -f "$dir/$objdir/$dlname"; then func_append dir "/$objdir" else if test ! -f "$dir/$dlname"; then func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'" fi fi ;; *.lo) # Just add the directory containing the .lo file. func_dirname "$file" "" "." dir="$func_dirname_result" ;; *) func_warning "\`-dlopen' is ignored for non-libtool libraries and objects" continue ;; esac # Get the absolute pathname. absdir=`cd "$dir" && pwd` test -n "$absdir" && dir="$absdir" # Now add the directory to shlibpath_var. if eval "test -z \"\$$shlibpath_var\""; then eval "$shlibpath_var=\"\$dir\"" else eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" fi done # This variable tells wrapper scripts just to set shlibpath_var # rather than running their programs. libtool_execute_magic="$magic" # Check if any of the arguments is a wrapper script. args= for file do case $file in -* | *.la | *.lo ) ;; *) # Do a test to see if this is really a libtool program. if func_ltwrapper_script_p "$file"; then func_source "$file" # Transform arg to wrapped name. file="$progdir/$program" elif func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" func_source "$func_ltwrapper_scriptname_result" # Transform arg to wrapped name. file="$progdir/$program" fi ;; esac # Quote arguments (to preserve shell metacharacters). func_append_quoted args "$file" done if test "X$opt_dry_run" = Xfalse; then if test -n "$shlibpath_var"; then # Export the shlibpath_var. eval "export $shlibpath_var" fi # Restore saved environment variables for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test \"\${save_$lt_var+set}\" = set; then $lt_var=\$save_$lt_var; export $lt_var else $lt_unset $lt_var fi" done # Now prepare to actually exec the command. exec_cmd="\$cmd$args" else # Display what would be done. if test -n "$shlibpath_var"; then eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" echo "export $shlibpath_var" fi $ECHO "$cmd$args" exit $EXIT_SUCCESS fi } test "$opt_mode" = execute && func_mode_execute ${1+"$@"} # func_mode_finish arg... func_mode_finish () { $opt_debug libs= libdirs= admincmds= for opt in "$nonopt" ${1+"$@"} do if test -d "$opt"; then func_append libdirs " $opt" elif test -f "$opt"; then if func_lalib_unsafe_p "$opt"; then func_append libs " $opt" else func_warning "\`$opt' is not a valid libtool archive" fi else func_fatal_error "invalid argument \`$opt'" fi done if test -n "$libs"; then if test -n "$lt_sysroot"; then sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" else sysroot_cmd= fi # Remove sysroot references if $opt_dry_run; then for lib in $libs; do echo "removing references to $lt_sysroot and \`=' prefixes from $lib" done else tmpdir=`func_mktempdir` for lib in $libs; do sed -e "${sysroot_cmd} s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ > $tmpdir/tmp-la mv -f $tmpdir/tmp-la $lib done ${RM}r "$tmpdir" fi fi if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then for libdir in $libdirs; do if test -n "$finish_cmds"; then # Do each command in the finish commands. func_execute_cmds "$finish_cmds" 'admincmds="$admincmds '"$cmd"'"' fi if test -n "$finish_eval"; then # Do the single finish_eval. eval cmds=\"$finish_eval\" $opt_dry_run || eval "$cmds" || func_append admincmds " $cmds" fi done fi # Exit here if they wanted silent mode. $opt_silent && exit $EXIT_SUCCESS if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then echo "----------------------------------------------------------------------" echo "Libraries have been installed in:" for libdir in $libdirs; do $ECHO " $libdir" done echo echo "If you ever happen to want to link against installed libraries" echo "in a given directory, LIBDIR, you must either use libtool, and" echo "specify the full pathname of the library, or use the \`-LLIBDIR'" echo "flag during linking and do at least one of the following:" if test -n "$shlibpath_var"; then echo " - add LIBDIR to the \`$shlibpath_var' environment variable" echo " during execution" fi if test -n "$runpath_var"; then echo " - add LIBDIR to the \`$runpath_var' environment variable" echo " during linking" fi if test -n "$hardcode_libdir_flag_spec"; then libdir=LIBDIR eval flag=\"$hardcode_libdir_flag_spec\" $ECHO " - use the \`$flag' linker flag" fi if test -n "$admincmds"; then $ECHO " - have your system administrator run these commands:$admincmds" fi if test -f /etc/ld.so.conf; then echo " - have your system administrator add LIBDIR to \`/etc/ld.so.conf'" fi echo echo "See any operating system documentation about shared libraries for" case $host in solaris2.[6789]|solaris2.1[0-9]) echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" echo "pages." ;; *) echo "more information, such as the ld(1) and ld.so(8) manual pages." ;; esac echo "----------------------------------------------------------------------" fi exit $EXIT_SUCCESS } test "$opt_mode" = finish && func_mode_finish ${1+"$@"} # func_mode_install arg... func_mode_install () { $opt_debug # There may be an optional sh(1) argument at the beginning of # install_prog (especially on Windows NT). if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh || # Allow the use of GNU shtool's install command. case $nonopt in *shtool*) :;; *) false;; esac; then # Aesthetically quote it. func_quote_for_eval "$nonopt" install_prog="$func_quote_for_eval_result " arg=$1 shift else install_prog= arg=$nonopt fi # The real first argument should be the name of the installation program. # Aesthetically quote it. func_quote_for_eval "$arg" func_append install_prog "$func_quote_for_eval_result" install_shared_prog=$install_prog case " $install_prog " in *[\\\ /]cp\ *) install_cp=: ;; *) install_cp=false ;; esac # We need to accept at least all the BSD install flags. dest= files= opts= prev= install_type= isdir=no stripme= no_mode=: for arg do arg2= if test -n "$dest"; then func_append files " $dest" dest=$arg continue fi case $arg in -d) isdir=yes ;; -f) if $install_cp; then :; else prev=$arg fi ;; -g | -m | -o) prev=$arg ;; -s) stripme=" -s" continue ;; -*) ;; *) # If the previous option needed an argument, then skip it. if test -n "$prev"; then if test "x$prev" = x-m && test -n "$install_override_mode"; then arg2=$install_override_mode no_mode=false fi prev= else dest=$arg continue fi ;; esac # Aesthetically quote the argument. func_quote_for_eval "$arg" func_append install_prog " $func_quote_for_eval_result" if test -n "$arg2"; then func_quote_for_eval "$arg2" fi func_append install_shared_prog " $func_quote_for_eval_result" done test -z "$install_prog" && \ func_fatal_help "you must specify an install program" test -n "$prev" && \ func_fatal_help "the \`$prev' option requires an argument" if test -n "$install_override_mode" && $no_mode; then if $install_cp; then :; else func_quote_for_eval "$install_override_mode" func_append install_shared_prog " -m $func_quote_for_eval_result" fi fi if test -z "$files"; then if test -z "$dest"; then func_fatal_help "no file or destination specified" else func_fatal_help "you must specify a destination" fi fi # Strip any trailing slash from the destination. func_stripname '' '/' "$dest" dest=$func_stripname_result # Check to see that the destination is a directory. test -d "$dest" && isdir=yes if test "$isdir" = yes; then destdir="$dest" destname= else func_dirname_and_basename "$dest" "" "." destdir="$func_dirname_result" destname="$func_basename_result" # Not a directory, so check to see that there is only one file specified. set dummy $files; shift test "$#" -gt 1 && \ func_fatal_help "\`$dest' is not a directory" fi case $destdir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) for file in $files; do case $file in *.lo) ;; *) func_fatal_help "\`$destdir' must be an absolute directory name" ;; esac done ;; esac # This variable tells wrapper scripts just to set variables rather # than running their programs. libtool_install_magic="$magic" staticlibs= future_libdirs= current_libdirs= for file in $files; do # Do each installation. case $file in *.$libext) # Do the static libraries later. func_append staticlibs " $file" ;; *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "\`$file' is not a valid libtool archive" library_names= old_library= relink_command= func_source "$file" # Add the libdir to current_libdirs if it is the destination. if test "X$destdir" = "X$libdir"; then case "$current_libdirs " in *" $libdir "*) ;; *) func_append current_libdirs " $libdir" ;; esac else # Note the libdir as a future libdir. case "$future_libdirs " in *" $libdir "*) ;; *) func_append future_libdirs " $libdir" ;; esac fi func_dirname "$file" "/" "" dir="$func_dirname_result" func_append dir "$objdir" if test -n "$relink_command"; then # Determine the prefix the user has applied to our future dir. inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` # Don't allow the user to place us outside of our expected # location b/c this prevents finding dependent libraries that # are installed to the same prefix. # At present, this check doesn't affect windows .dll's that # are installed into $libdir/../bin (currently, that works fine) # but it's something to keep an eye on. test "$inst_prefix_dir" = "$destdir" && \ func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir" if test -n "$inst_prefix_dir"; then # Stick the inst_prefix_dir data into the link command. relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` else relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` fi func_warning "relinking \`$file'" func_show_eval "$relink_command" \ 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"' fi # See the names of the shared library. set dummy $library_names; shift if test -n "$1"; then realname="$1" shift srcname="$realname" test -n "$relink_command" && srcname="$realname"T # Install the shared library and build the symlinks. func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ 'exit $?' tstripme="$stripme" case $host_os in cygwin* | mingw* | pw32* | cegcc*) case $realname in *.dll.a) tstripme="" ;; esac ;; esac if test -n "$tstripme" && test -n "$striplib"; then func_show_eval "$striplib $destdir/$realname" 'exit $?' fi if test "$#" -gt 0; then # Delete the old symlinks, and create new ones. # Try `ln -sf' first, because the `ln' binary might depend on # the symlink we replace! Solaris /bin/ln does not understand -f, # so we also need to try rm && ln -s. for linkname do test "$linkname" != "$realname" \ && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" done fi # Do each command in the postinstall commands. lib="$destdir/$realname" func_execute_cmds "$postinstall_cmds" 'exit $?' fi # Install the pseudo-library for information purposes. func_basename "$file" name="$func_basename_result" instname="$dir/$name"i func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' # Maybe install the static library, too. test -n "$old_library" && func_append staticlibs " $dir/$old_library" ;; *.lo) # Install (i.e. copy) a libtool object. # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile="$destdir/$destname" else func_basename "$file" destfile="$func_basename_result" destfile="$destdir/$destfile" fi # Deduce the name of the destination old-style object file. case $destfile in *.lo) func_lo2o "$destfile" staticdest=$func_lo2o_result ;; *.$objext) staticdest="$destfile" destfile= ;; *) func_fatal_help "cannot copy a libtool object to \`$destfile'" ;; esac # Install the libtool object if requested. test -n "$destfile" && \ func_show_eval "$install_prog $file $destfile" 'exit $?' # Install the old object if enabled. if test "$build_old_libs" = yes; then # Deduce the name of the old-style object file. func_lo2o "$file" staticobj=$func_lo2o_result func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' fi exit $EXIT_SUCCESS ;; *) # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile="$destdir/$destname" else func_basename "$file" destfile="$func_basename_result" destfile="$destdir/$destfile" fi # If the file is missing, and there is a .exe on the end, strip it # because it is most likely a libtool script we actually want to # install stripped_ext="" case $file in *.exe) if test ! -f "$file"; then func_stripname '' '.exe' "$file" file=$func_stripname_result stripped_ext=".exe" fi ;; esac # Do a test to see if this is really a libtool program. case $host in *cygwin* | *mingw*) if func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" wrapper=$func_ltwrapper_scriptname_result else func_stripname '' '.exe' "$file" wrapper=$func_stripname_result fi ;; *) wrapper=$file ;; esac if func_ltwrapper_script_p "$wrapper"; then notinst_deplibs= relink_command= func_source "$wrapper" # Check the variables that should have been set. test -z "$generated_by_libtool_version" && \ func_fatal_error "invalid libtool wrapper script \`$wrapper'" finalize=yes for lib in $notinst_deplibs; do # Check to see that each library is installed. libdir= if test -f "$lib"; then func_source "$lib" fi libfile="$libdir/"`$ECHO "$lib" | $SED 's%^.*/%%g'` ### testsuite: skip nested quoting test if test -n "$libdir" && test ! -f "$libfile"; then func_warning "\`$lib' has not been installed in \`$libdir'" finalize=no fi done relink_command= func_source "$wrapper" outputname= if test "$fast_install" = no && test -n "$relink_command"; then $opt_dry_run || { if test "$finalize" = yes; then tmpdir=`func_mktempdir` func_basename "$file$stripped_ext" file="$func_basename_result" outputname="$tmpdir/$file" # Replace the output file specification. relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` $opt_silent || { func_quote_for_expand "$relink_command" eval "func_echo $func_quote_for_expand_result" } if eval "$relink_command"; then : else func_error "error: relink \`$file' with the above command before installing it" $opt_dry_run || ${RM}r "$tmpdir" continue fi file="$outputname" else func_warning "cannot relink \`$file'" fi } else # Install the binary that we compiled earlier. file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` fi fi # remove .exe since cygwin /usr/bin/install will append another # one anyway case $install_prog,$host in */usr/bin/install*,*cygwin*) case $file:$destfile in *.exe:*.exe) # this is ok ;; *.exe:*) destfile=$destfile.exe ;; *:*.exe) func_stripname '' '.exe' "$destfile" destfile=$func_stripname_result ;; esac ;; esac func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' $opt_dry_run || if test -n "$outputname"; then ${RM}r "$tmpdir" fi ;; esac done for file in $staticlibs; do func_basename "$file" name="$func_basename_result" # Set up the ranlib parameters. oldlib="$destdir/$name" func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result func_show_eval "$install_prog \$file \$oldlib" 'exit $?' if test -n "$stripme" && test -n "$old_striplib"; then func_show_eval "$old_striplib $tool_oldlib" 'exit $?' fi # Do each command in the postinstall commands. func_execute_cmds "$old_postinstall_cmds" 'exit $?' done test -n "$future_libdirs" && \ func_warning "remember to run \`$progname --finish$future_libdirs'" if test -n "$current_libdirs"; then # Maybe just do a dry run. $opt_dry_run && current_libdirs=" -n$current_libdirs" exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' else exit $EXIT_SUCCESS fi } test "$opt_mode" = install && func_mode_install ${1+"$@"} # func_generate_dlsyms outputname originator pic_p # Extract symbols from dlprefiles and create ${outputname}S.o with # a dlpreopen symbol table. func_generate_dlsyms () { $opt_debug my_outputname="$1" my_originator="$2" my_pic_p="${3-no}" my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` my_dlsyms= if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then if test -n "$NM" && test -n "$global_symbol_pipe"; then my_dlsyms="${my_outputname}S.c" else func_error "not configured to extract global symbols from dlpreopened files" fi fi if test -n "$my_dlsyms"; then case $my_dlsyms in "") ;; *.c) # Discover the nlist of each of the dlfiles. nlist="$output_objdir/${my_outputname}.nm" func_show_eval "$RM $nlist ${nlist}S ${nlist}T" # Parse the name list into a source file. func_verbose "creating $output_objdir/$my_dlsyms" $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ /* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ /* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ #ifdef __cplusplus extern \"C\" { #endif #if defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) #pragma GCC diagnostic ignored \"-Wstrict-prototypes\" #endif /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif /* External symbol declarations for the compiler. */\ " if test "$dlself" = yes; then func_verbose "generating symbol list for \`$output'" $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" # Add our own program objects to the symbol list. progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` for progfile in $progfiles; do func_to_tool_file "$progfile" func_convert_file_msys_to_w32 func_verbose "extracting global C symbols from \`$func_to_tool_file_result'" $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" done if test -n "$exclude_expsyms"; then $opt_dry_run || { eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi if test -n "$export_symbols_regex"; then $opt_dry_run || { eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi # Prepare the list of exported symbols if test -z "$export_symbols"; then export_symbols="$output_objdir/$outputname.exp" $opt_dry_run || { $RM $export_symbols eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' ;; esac } else $opt_dry_run || { eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' case $host in *cygwin* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' ;; esac } fi fi for dlprefile in $dlprefiles; do func_verbose "extracting global C symbols from \`$dlprefile'" func_basename "$dlprefile" name="$func_basename_result" case $host in *cygwin* | *mingw* | *cegcc* ) # if an import library, we need to obtain dlname if func_win32_import_lib_p "$dlprefile"; then func_tr_sh "$dlprefile" eval "curr_lafile=\$libfile_$func_tr_sh_result" dlprefile_dlbasename="" if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then # Use subshell, to avoid clobbering current variable values dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` if test -n "$dlprefile_dlname" ; then func_basename "$dlprefile_dlname" dlprefile_dlbasename="$func_basename_result" else # no lafile. user explicitly requested -dlpreopen . $sharedlib_from_linklib_cmd "$dlprefile" dlprefile_dlbasename=$sharedlib_from_linklib_result fi fi $opt_dry_run || { if test -n "$dlprefile_dlbasename" ; then eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' else func_warning "Could not compute DLL name from $name" eval '$ECHO ": $name " >> "$nlist"' fi func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" } else # not an import lib $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } fi ;; *) $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } ;; esac done $opt_dry_run || { # Make sure we have at least an empty file. test -f "$nlist" || : > "$nlist" if test -n "$exclude_expsyms"; then $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T $MV "$nlist"T "$nlist" fi # Try sorting and uniquifying the output. if $GREP -v "^: " < "$nlist" | if sort -k 3 /dev/null 2>&1; then sort -k 3 else sort +2 fi | uniq > "$nlist"S; then : else $GREP -v "^: " < "$nlist" > "$nlist"S fi if test -f "$nlist"S; then eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' else echo '/* NONE */' >> "$output_objdir/$my_dlsyms" fi echo >> "$output_objdir/$my_dlsyms" "\ /* The mapping between symbol names and symbols. */ typedef struct { const char *name; void *address; } lt_dlsymlist; extern LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[]; LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[] = {\ { \"$my_originator\", (void *) 0 }," case $need_lib_prefix in no) eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; *) eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; esac echo >> "$output_objdir/$my_dlsyms" "\ {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt_${my_prefix}_LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif\ " } # !$opt_dry_run pic_flag_for_symtable= case "$compile_command " in *" -static "*) ;; *) case $host in # compiling the symbol table file with pic_flag works around # a FreeBSD bug that causes programs to crash when -lm is # linked before any other PIC object. But we must not use # pic_flag when linking with -static. The problem exists in # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; *-*-hpux*) pic_flag_for_symtable=" $pic_flag" ;; *) if test "X$my_pic_p" != Xno; then pic_flag_for_symtable=" $pic_flag" fi ;; esac ;; esac symtab_cflags= for arg in $LTCFLAGS; do case $arg in -pie | -fpie | -fPIE) ;; *) func_append symtab_cflags " $arg" ;; esac done # Now compile the dynamic symbol file. func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' # Clean up the generated files. func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' # Transform the symbol file into the correct name. symfileobj="$output_objdir/${my_outputname}S.$objext" case $host in *cygwin* | *mingw* | *cegcc* ) if test -f "$output_objdir/$my_outputname.def"; then compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` else compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` fi ;; *) compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` ;; esac ;; *) func_fatal_error "unknown suffix for \`$my_dlsyms'" ;; esac else # We keep going just in case the user didn't refer to # lt_preloaded_symbols. The linker will fail if global_symbol_pipe # really was required. # Nullify the symbol file. compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` fi } # func_win32_libid arg # return the library type of file 'arg' # # Need a lot of goo to handle *both* DLLs and import libs # Has to be a shell function in order to 'eat' the argument # that is supplied when $file_magic_command is called. # Despite the name, also deal with 64 bit binaries. func_win32_libid () { $opt_debug win32_libid_type="unknown" win32_fileres=`file -L $1 2>/dev/null` case $win32_fileres in *ar\ archive\ import\ library*) # definitely import win32_libid_type="x86 archive import" ;; *ar\ archive*) # could be an import, or static # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then func_to_tool_file "$1" func_convert_file_msys_to_w32 win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | $SED -n -e ' 1,100{ / I /{ s,.*,import, p q } }'` case $win32_nmres in import*) win32_libid_type="x86 archive import";; *) win32_libid_type="x86 archive static";; esac fi ;; *DLL*) win32_libid_type="x86 DLL" ;; *executable*) # but shell scripts are "executable" too... case $win32_fileres in *MS\ Windows\ PE\ Intel*) win32_libid_type="x86 DLL" ;; esac ;; esac $ECHO "$win32_libid_type" } # func_cygming_dll_for_implib ARG # # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib () { $opt_debug sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` } # func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs # # The is the core of a fallback implementation of a # platform-specific function to extract the name of the # DLL associated with the specified import library LIBNAME. # # SECTION_NAME is either .idata$6 or .idata$7, depending # on the platform and compiler that created the implib. # # Echos the name of the DLL associated with the # specified import library. func_cygming_dll_for_implib_fallback_core () { $opt_debug match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` $OBJDUMP -s --section "$1" "$2" 2>/dev/null | $SED '/^Contents of section '"$match_literal"':/{ # Place marker at beginning of archive member dllname section s/.*/====MARK====/ p d } # These lines can sometimes be longer than 43 characters, but # are always uninteresting /:[ ]*file format pe[i]\{,1\}-/d /^In archive [^:]*:/d # Ensure marker is printed /^====MARK====/p # Remove all lines with less than 43 characters /^.\{43\}/!d # From remaining lines, remove first 43 characters s/^.\{43\}//' | $SED -n ' # Join marker and all lines until next marker into a single line /^====MARK====/ b para H $ b para b :para x s/\n//g # Remove the marker s/^====MARK====// # Remove trailing dots and whitespace s/[\. \t]*$// # Print /./p' | # we now have a list, one entry per line, of the stringified # contents of the appropriate section of all members of the # archive which possess that section. Heuristic: eliminate # all those which have a first or second character that is # a '.' (that is, objdump's representation of an unprintable # character.) This should work for all archives with less than # 0x302f exports -- but will fail for DLLs whose name actually # begins with a literal '.' or a single character followed by # a '.'. # # Of those that remain, print the first one. $SED -e '/^\./d;/^.\./d;q' } # func_cygming_gnu_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is a GNU/binutils-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_gnu_implib_p () { $opt_debug func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` test -n "$func_cygming_gnu_implib_tmp" } # func_cygming_ms_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is an MS-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_ms_implib_p () { $opt_debug func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` test -n "$func_cygming_ms_implib_tmp" } # func_cygming_dll_for_implib_fallback ARG # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # # This fallback implementation is for use when $DLLTOOL # does not support the --identify-strict option. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib_fallback () { $opt_debug if func_cygming_gnu_implib_p "$1" ; then # binutils import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` elif func_cygming_ms_implib_p "$1" ; then # ms-generated import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` else # unknown sharedlib_from_linklib_result="" fi } # func_extract_an_archive dir oldlib func_extract_an_archive () { $opt_debug f_ex_an_ar_dir="$1"; shift f_ex_an_ar_oldlib="$1" if test "$lock_old_archive_extraction" = yes; then lockfile=$f_ex_an_ar_oldlib.lock until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done fi func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ 'stat=$?; rm -f "$lockfile"; exit $stat' if test "$lock_old_archive_extraction" = yes; then $opt_dry_run || rm -f "$lockfile" fi if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then : else func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" fi } # func_extract_archives gentop oldlib ... func_extract_archives () { $opt_debug my_gentop="$1"; shift my_oldlibs=${1+"$@"} my_oldobjs="" my_xlib="" my_xabs="" my_xdir="" for my_xlib in $my_oldlibs; do # Extract the objects. case $my_xlib in [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; *) my_xabs=`pwd`"/$my_xlib" ;; esac func_basename "$my_xlib" my_xlib="$func_basename_result" my_xlib_u=$my_xlib while :; do case " $extracted_archives " in *" $my_xlib_u "*) func_arith $extracted_serial + 1 extracted_serial=$func_arith_result my_xlib_u=lt$extracted_serial-$my_xlib ;; *) break ;; esac done extracted_archives="$extracted_archives $my_xlib_u" my_xdir="$my_gentop/$my_xlib_u" func_mkdir_p "$my_xdir" case $host in *-darwin*) func_verbose "Extracting $my_xabs" # Do not bother doing anything if just a dry run $opt_dry_run || { darwin_orig_dir=`pwd` cd $my_xdir || exit $? darwin_archive=$my_xabs darwin_curdir=`pwd` darwin_base_archive=`basename "$darwin_archive"` darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` if test -n "$darwin_arches"; then darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` darwin_arch= func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" for darwin_arch in $darwin_arches ; do func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" func_extract_an_archive "`pwd`" "${darwin_base_archive}" cd "$darwin_curdir" $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" done # $darwin_arches ## Okay now we've a bunch of thin objects, gotta fatten them up :) darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` darwin_file= darwin_files= for darwin_file in $darwin_filelist; do darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` $LIPO -create -output "$darwin_file" $darwin_files done # $darwin_filelist $RM -rf unfat-$$ cd "$darwin_orig_dir" else cd $darwin_orig_dir func_extract_an_archive "$my_xdir" "$my_xabs" fi # $darwin_arches } # !$opt_dry_run ;; *) func_extract_an_archive "$my_xdir" "$my_xabs" ;; esac my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` done func_extract_archives_result="$my_oldobjs" } # func_emit_wrapper [arg=no] # # Emit a libtool wrapper script on stdout. # Don't directly open a file because we may want to # incorporate the script contents within a cygwin/mingw # wrapper executable. Must ONLY be called from within # func_mode_link because it depends on a number of variables # set therein. # # ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR # variable will take. If 'yes', then the emitted script # will assume that the directory in which it is stored is # the $objdir directory. This is a cygwin/mingw-specific # behavior. func_emit_wrapper () { func_emit_wrapper_arg1=${1-no} $ECHO "\ #! $SHELL # $output - temporary wrapper script for $objdir/$outputname # Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION # # The $output program cannot be directly executed until all the libtool # libraries that it depends on are installed. # # This wrapper script should never be moved out of the build directory. # If it is, it will not operate correctly. # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. sed_quote_subst='$sed_quote_subst' # Be Bourne compatible if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which # is contrary to our usage. Disable this feature. alias -g '\${1+\"\$@\"}'='\"\$@\"' setopt NO_GLOB_SUBST else case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac fi BIN_SH=xpg4; export BIN_SH # for Tru64 DUALCASE=1; export DUALCASE # for MKS sh # The HP-UX ksh and POSIX shell print the target directory to stdout # if CDPATH is set. (unset CDPATH) >/dev/null 2>&1 && unset CDPATH relink_command=\"$relink_command\" # This environment variable determines our operation mode. if test \"\$libtool_install_magic\" = \"$magic\"; then # install mode needs the following variables: generated_by_libtool_version='$macro_version' notinst_deplibs='$notinst_deplibs' else # When we are sourced in execute mode, \$file and \$ECHO are already set. if test \"\$libtool_execute_magic\" != \"$magic\"; then file=\"\$0\"" qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"` $ECHO "\ # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF \$1 _LTECHO_EOF' } ECHO=\"$qECHO\" fi # Very basic option parsing. These options are (a) specific to # the libtool wrapper, (b) are identical between the wrapper # /script/ and the wrapper /executable/ which is used only on # windows platforms, and (c) all begin with the string "--lt-" # (application programs are unlikely to have options which match # this pattern). # # There are only two supported options: --lt-debug and # --lt-dump-script. There is, deliberately, no --lt-help. # # The first argument to this parsing function should be the # script's $0 value, followed by "$@". lt_option_debug= func_parse_lt_options () { lt_script_arg0=\$0 shift for lt_opt do case \"\$lt_opt\" in --lt-debug) lt_option_debug=1 ;; --lt-dump-script) lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` cat \"\$lt_dump_D/\$lt_dump_F\" exit 0 ;; --lt-*) \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 exit 1 ;; esac done # Print the debug banner immediately: if test -n \"\$lt_option_debug\"; then echo \"${outputname}:${output}:\${LINENO}: libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\" 1>&2 fi } # Used when --lt-debug. Prints its arguments to stdout # (redirection is the responsibility of the caller) func_lt_dump_args () { lt_dump_args_N=1; for lt_arg do \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[\$lt_dump_args_N]: \$lt_arg\" lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` done } # Core function for launching the target application func_exec_program_core () { " case $host in # Backslashes separate directories on plain windows *-*-mingw | *-*-os2* | *-cegcc*) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir\\\\\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} " ;; *) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir/\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir/\$program\" \${1+\"\$@\"} " ;; esac $ECHO "\ \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 exit 1 } # A function to encapsulate launching the target application # Strips options in the --lt-* namespace from \$@ and # launches target application with the remaining arguments. func_exec_program () { case \" \$* \" in *\\ --lt-*) for lt_wr_arg do case \$lt_wr_arg in --lt-*) ;; *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; esac shift done ;; esac func_exec_program_core \${1+\"\$@\"} } # Parse options func_parse_lt_options \"\$0\" \${1+\"\$@\"} # Find the directory that this script lives in. thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` test \"x\$thisdir\" = \"x\$file\" && thisdir=. # Follow symbolic links until we get to the real thisdir. file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` while test -n \"\$file\"; do destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` # If there was a directory component, then change thisdir. if test \"x\$destdir\" != \"x\$file\"; then case \"\$destdir\" in [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; *) thisdir=\"\$thisdir/\$destdir\" ;; esac fi file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` done # Usually 'no', except on cygwin/mingw when embedded into # the cwrapper. WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then # special case for '.' if test \"\$thisdir\" = \".\"; then thisdir=\`pwd\` fi # remove .libs from thisdir case \"\$thisdir\" in *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; $objdir ) thisdir=. ;; esac fi # Try to get the absolute directory name. absdir=\`cd \"\$thisdir\" && pwd\` test -n \"\$absdir\" && thisdir=\"\$absdir\" " if test "$fast_install" = yes; then $ECHO "\ program=lt-'$outputname'$exeext progdir=\"\$thisdir/$objdir\" if test ! -f \"\$progdir/\$program\" || { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\ test \"X\$file\" != \"X\$progdir/\$program\"; }; then file=\"\$\$-\$program\" if test ! -d \"\$progdir\"; then $MKDIR \"\$progdir\" else $RM \"\$progdir/\$file\" fi" $ECHO "\ # relink executable if necessary if test -n \"\$relink_command\"; then if relink_command_output=\`eval \$relink_command 2>&1\`; then : else $ECHO \"\$relink_command_output\" >&2 $RM \"\$progdir/\$file\" exit 1 fi fi $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || { $RM \"\$progdir/\$program\"; $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } $RM \"\$progdir/\$file\" fi" else $ECHO "\ program='$outputname' progdir=\"\$thisdir/$objdir\" " fi $ECHO "\ if test -f \"\$progdir/\$program\"; then" # fixup the dll searchpath if we need to. # # Fix the DLL searchpath if we need to. Do this before prepending # to shlibpath, because on Windows, both are PATH and uninstalled # libraries must come first. if test -n "$dllsearchpath"; then $ECHO "\ # Add the dll search path components to the executable PATH PATH=$dllsearchpath:\$PATH " fi # Export our shlibpath_var if we have one. if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then $ECHO "\ # Add our own library path to $shlibpath_var $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" # Some systems cannot cope with colon-terminated $shlibpath_var # The second colon is a workaround for a bug in BeOS R4 sed $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` export $shlibpath_var " fi $ECHO "\ if test \"\$libtool_execute_magic\" != \"$magic\"; then # Run the actual program with our arguments. func_exec_program \${1+\"\$@\"} fi else # The program doesn't exist. \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2 \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 exit 1 fi fi\ " } # func_emit_cwrapperexe_src # emit the source code for a wrapper executable on stdout # Must ONLY be called from within func_mode_link because # it depends on a number of variable set therein. func_emit_cwrapperexe_src () { cat < #include #ifdef _MSC_VER # include # include # include #else # include # include # ifdef __CYGWIN__ # include # endif #endif #include #include #include #include #include #include #include #include /* declarations of non-ANSI functions */ #if defined(__MINGW32__) # ifdef __STRICT_ANSI__ int _putenv (const char *); # endif #elif defined(__CYGWIN__) # ifdef __STRICT_ANSI__ char *realpath (const char *, char *); int putenv (char *); int setenv (const char *, const char *, int); # endif /* #elif defined (other platforms) ... */ #endif /* portability defines, excluding path handling macros */ #if defined(_MSC_VER) # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv # define S_IXUSR _S_IEXEC # ifndef _INTPTR_T_DEFINED # define _INTPTR_T_DEFINED # define intptr_t int # endif #elif defined(__MINGW32__) # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv #elif defined(__CYGWIN__) # define HAVE_SETENV # define FOPEN_WB "wb" /* #elif defined (other platforms) ... */ #endif #if defined(PATH_MAX) # define LT_PATHMAX PATH_MAX #elif defined(MAXPATHLEN) # define LT_PATHMAX MAXPATHLEN #else # define LT_PATHMAX 1024 #endif #ifndef S_IXOTH # define S_IXOTH 0 #endif #ifndef S_IXGRP # define S_IXGRP 0 #endif /* path handling portability macros */ #ifndef DIR_SEPARATOR # define DIR_SEPARATOR '/' # define PATH_SEPARATOR ':' #endif #if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ defined (__OS2__) # define HAVE_DOS_BASED_FILE_SYSTEM # define FOPEN_WB "wb" # ifndef DIR_SEPARATOR_2 # define DIR_SEPARATOR_2 '\\' # endif # ifndef PATH_SEPARATOR_2 # define PATH_SEPARATOR_2 ';' # endif #endif #ifndef DIR_SEPARATOR_2 # define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) #else /* DIR_SEPARATOR_2 */ # define IS_DIR_SEPARATOR(ch) \ (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) #endif /* DIR_SEPARATOR_2 */ #ifndef PATH_SEPARATOR_2 # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) #else /* PATH_SEPARATOR_2 */ # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) #endif /* PATH_SEPARATOR_2 */ #ifndef FOPEN_WB # define FOPEN_WB "w" #endif #ifndef _O_BINARY # define _O_BINARY 0 #endif #define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) #define XFREE(stale) do { \ if (stale) { free ((void *) stale); stale = 0; } \ } while (0) #if defined(LT_DEBUGWRAPPER) static int lt_debug = 1; #else static int lt_debug = 0; #endif const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ void *xmalloc (size_t num); char *xstrdup (const char *string); const char *base_name (const char *name); char *find_executable (const char *wrapper); char *chase_symlinks (const char *pathspec); int make_executable (const char *path); int check_executable (const char *path); char *strendzap (char *str, const char *pat); void lt_debugprintf (const char *file, int line, const char *fmt, ...); void lt_fatal (const char *file, int line, const char *message, ...); static const char *nonnull (const char *s); static const char *nonempty (const char *s); void lt_setenv (const char *name, const char *value); char *lt_extend_str (const char *orig_value, const char *add, int to_end); void lt_update_exe_path (const char *name, const char *value); void lt_update_lib_path (const char *name, const char *value); char **prepare_spawn (char **argv); void lt_dump_script (FILE *f); EOF cat <= 0) && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) return 1; else return 0; } int make_executable (const char *path) { int rval = 0; struct stat st; lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", nonempty (path)); if ((!path) || (!*path)) return 0; if (stat (path, &st) >= 0) { rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); } return rval; } /* Searches for the full path of the wrapper. Returns newly allocated full path name if found, NULL otherwise Does not chase symlinks, even on platforms that support them. */ char * find_executable (const char *wrapper) { int has_slash = 0; const char *p; const char *p_next; /* static buffer for getcwd */ char tmp[LT_PATHMAX + 1]; int tmp_len; char *concat_name; lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", nonempty (wrapper)); if ((wrapper == NULL) || (*wrapper == '\0')) return NULL; /* Absolute path? */ #if defined (HAVE_DOS_BASED_FILE_SYSTEM) if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } else { #endif if (IS_DIR_SEPARATOR (wrapper[0])) { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } #if defined (HAVE_DOS_BASED_FILE_SYSTEM) } #endif for (p = wrapper; *p; p++) if (*p == '/') { has_slash = 1; break; } if (!has_slash) { /* no slashes; search PATH */ const char *path = getenv ("PATH"); if (path != NULL) { for (p = path; *p; p = p_next) { const char *q; size_t p_len; for (q = p; *q; q++) if (IS_PATH_SEPARATOR (*q)) break; p_len = q - p; p_next = (*q == '\0' ? q : q + 1); if (p_len == 0) { /* empty path: current directory */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); } else { concat_name = XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, p, p_len); concat_name[p_len] = '/'; strcpy (concat_name + p_len + 1, wrapper); } if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } } /* not found in PATH; assume curdir */ } /* Relative path | not found in path: prepend cwd */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); return NULL; } char * chase_symlinks (const char *pathspec) { #ifndef S_ISLNK return xstrdup (pathspec); #else char buf[LT_PATHMAX]; struct stat s; char *tmp_pathspec = xstrdup (pathspec); char *p; int has_symlinks = 0; while (strlen (tmp_pathspec) && !has_symlinks) { lt_debugprintf (__FILE__, __LINE__, "checking path component for symlinks: %s\n", tmp_pathspec); if (lstat (tmp_pathspec, &s) == 0) { if (S_ISLNK (s.st_mode) != 0) { has_symlinks = 1; break; } /* search backwards for last DIR_SEPARATOR */ p = tmp_pathspec + strlen (tmp_pathspec) - 1; while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) p--; if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) { /* no more DIR_SEPARATORS left */ break; } *p = '\0'; } else { lt_fatal (__FILE__, __LINE__, "error accessing file \"%s\": %s", tmp_pathspec, nonnull (strerror (errno))); } } XFREE (tmp_pathspec); if (!has_symlinks) { return xstrdup (pathspec); } tmp_pathspec = realpath (pathspec, buf); if (tmp_pathspec == 0) { lt_fatal (__FILE__, __LINE__, "could not follow symlinks for %s", pathspec); } return xstrdup (tmp_pathspec); #endif } char * strendzap (char *str, const char *pat) { size_t len, patlen; assert (str != NULL); assert (pat != NULL); len = strlen (str); patlen = strlen (pat); if (patlen <= len) { str += len - patlen; if (strcmp (str, pat) == 0) *str = '\0'; } return str; } void lt_debugprintf (const char *file, int line, const char *fmt, ...) { va_list args; if (lt_debug) { (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); va_start (args, fmt); (void) vfprintf (stderr, fmt, args); va_end (args); } } static void lt_error_core (int exit_status, const char *file, int line, const char *mode, const char *message, va_list ap) { fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); vfprintf (stderr, message, ap); fprintf (stderr, ".\n"); if (exit_status >= 0) exit (exit_status); } void lt_fatal (const char *file, int line, const char *message, ...) { va_list ap; va_start (ap, message); lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); va_end (ap); } static const char * nonnull (const char *s) { return s ? s : "(null)"; } static const char * nonempty (const char *s) { return (s && !*s) ? "(empty)" : nonnull (s); } void lt_setenv (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_setenv) setting '%s' to '%s'\n", nonnull (name), nonnull (value)); { #ifdef HAVE_SETENV /* always make a copy, for consistency with !HAVE_SETENV */ char *str = xstrdup (value); setenv (name, str, 1); #else int len = strlen (name) + 1 + strlen (value) + 1; char *str = XMALLOC (char, len); sprintf (str, "%s=%s", name, value); if (putenv (str) != EXIT_SUCCESS) { XFREE (str); } #endif } } char * lt_extend_str (const char *orig_value, const char *add, int to_end) { char *new_value; if (orig_value && *orig_value) { int orig_value_len = strlen (orig_value); int add_len = strlen (add); new_value = XMALLOC (char, add_len + orig_value_len + 1); if (to_end) { strcpy (new_value, orig_value); strcpy (new_value + orig_value_len, add); } else { strcpy (new_value, add); strcpy (new_value + add_len, orig_value); } } else { new_value = xstrdup (add); } return new_value; } void lt_update_exe_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); /* some systems can't cope with a ':'-terminated path #' */ int len = strlen (new_value); while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1])) { new_value[len-1] = '\0'; } lt_setenv (name, new_value); XFREE (new_value); } } void lt_update_lib_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); lt_setenv (name, new_value); XFREE (new_value); } } EOF case $host_os in mingw*) cat <<"EOF" /* Prepares an argument vector before calling spawn(). Note that spawn() does not by itself call the command interpreter (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx(&v); v.dwPlatformId == VER_PLATFORM_WIN32_NT; }) ? "cmd.exe" : "command.com"). Instead it simply concatenates the arguments, separated by ' ', and calls CreateProcess(). We must quote the arguments since Win32 CreateProcess() interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a special way: - Space and tab are interpreted as delimiters. They are not treated as delimiters if they are surrounded by double quotes: "...". - Unescaped double quotes are removed from the input. Their only effect is that within double quotes, space and tab are treated like normal characters. - Backslashes not followed by double quotes are not special. - But 2*n+1 backslashes followed by a double quote become n backslashes followed by a double quote (n >= 0): \" -> " \\\" -> \" \\\\\" -> \\" */ #define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" #define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" char ** prepare_spawn (char **argv) { size_t argc; char **new_argv; size_t i; /* Count number of arguments. */ for (argc = 0; argv[argc] != NULL; argc++) ; /* Allocate new argument vector. */ new_argv = XMALLOC (char *, argc + 1); /* Put quoted arguments into the new argument vector. */ for (i = 0; i < argc; i++) { const char *string = argv[i]; if (string[0] == '\0') new_argv[i] = xstrdup ("\"\""); else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) { int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); size_t length; unsigned int backslashes; const char *s; char *quoted_string; char *p; length = 0; backslashes = 0; if (quote_around) length++; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') length += backslashes + 1; length++; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) length += backslashes + 1; quoted_string = XMALLOC (char, length + 1); p = quoted_string; backslashes = 0; if (quote_around) *p++ = '"'; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') { unsigned int j; for (j = backslashes + 1; j > 0; j--) *p++ = '\\'; } *p++ = c; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) { unsigned int j; for (j = backslashes; j > 0; j--) *p++ = '\\'; *p++ = '"'; } *p = '\0'; new_argv[i] = quoted_string; } else new_argv[i] = (char *) string; } new_argv[argc] = NULL; return new_argv; } EOF ;; esac cat <<"EOF" void lt_dump_script (FILE* f) { EOF func_emit_wrapper yes | $SED -n -e ' s/^\(.\{79\}\)\(..*\)/\1\ \2/ h s/\([\\"]\)/\\\1/g s/$/\\n/ s/\([^\n]*\).*/ fputs ("\1", f);/p g D' cat <<"EOF" } EOF } # end: func_emit_cwrapperexe_src # func_win32_import_lib_p ARG # True if ARG is an import lib, as indicated by $file_magic_cmd func_win32_import_lib_p () { $opt_debug case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in *import*) : ;; *) false ;; esac } # func_mode_link arg... func_mode_link () { $opt_debug case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) # It is impossible to link a dll without this setting, and # we shouldn't force the makefile maintainer to figure out # which system we are compiling for in order to pass an extra # flag for every libtool invocation. # allow_undefined=no # FIXME: Unfortunately, there are problems with the above when trying # to make a dll which has undefined symbols, in which case not # even a static library is built. For now, we need to specify # -no-undefined on the libtool link line when we can be certain # that all symbols are satisfied, otherwise we get a static library. allow_undefined=yes ;; *) allow_undefined=yes ;; esac libtool_args=$nonopt base_compile="$nonopt $@" compile_command=$nonopt finalize_command=$nonopt compile_rpath= finalize_rpath= compile_shlibpath= finalize_shlibpath= convenience= old_convenience= deplibs= old_deplibs= compiler_flags= linker_flags= dllsearchpath= lib_search_path=`pwd` inst_prefix_dir= new_inherited_linker_flags= avoid_version=no bindir= dlfiles= dlprefiles= dlself=no export_dynamic=no export_symbols= export_symbols_regex= generated= libobjs= ltlibs= module=no no_install=no objs= non_pic_objects= precious_files_regex= prefer_static_libs=no preload=no prev= prevarg= release= rpath= xrpath= perm_rpath= temp_rpath= thread_safe=no vinfo= vinfo_number=no weak_libs= single_module="${wl}-single_module" func_infer_tag $base_compile # We need to know -static, to get the right output filenames. for arg do case $arg in -shared) test "$build_libtool_libs" != yes && \ func_fatal_configuration "can not build a shared library" build_old_libs=no break ;; -all-static | -static | -static-libtool-libs) case $arg in -all-static) if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then func_warning "complete static linking is impossible in this configuration" fi if test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; -static) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=built ;; -static-libtool-libs) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; esac build_libtool_libs=no build_old_libs=yes break ;; esac done # See if our shared archives depend on static archives. test -n "$old_archive_from_new_cmds" && build_old_libs=yes # Go through the arguments, transforming them on the way. while test "$#" -gt 0; do arg="$1" shift func_quote_for_eval "$arg" qarg=$func_quote_for_eval_unquoted_result func_append libtool_args " $func_quote_for_eval_result" # If the previous option needs an argument, assign it. if test -n "$prev"; then case $prev in output) func_append compile_command " @OUTPUT@" func_append finalize_command " @OUTPUT@" ;; esac case $prev in bindir) bindir="$arg" prev= continue ;; dlfiles|dlprefiles) if test "$preload" = no; then # Add the symbol object into the linking commands. func_append compile_command " @SYMFILE@" func_append finalize_command " @SYMFILE@" preload=yes fi case $arg in *.la | *.lo) ;; # We handle these cases below. force) if test "$dlself" = no; then dlself=needless export_dynamic=yes fi prev= continue ;; self) if test "$prev" = dlprefiles; then dlself=yes elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then dlself=yes else dlself=needless export_dynamic=yes fi prev= continue ;; *) if test "$prev" = dlfiles; then func_append dlfiles " $arg" else func_append dlprefiles " $arg" fi prev= continue ;; esac ;; expsyms) export_symbols="$arg" test -f "$arg" \ || func_fatal_error "symbol file \`$arg' does not exist" prev= continue ;; expsyms_regex) export_symbols_regex="$arg" prev= continue ;; framework) case $host in *-*-darwin*) case "$deplibs " in *" $qarg.ltframework "*) ;; *) func_append deplibs " $qarg.ltframework" # this is fixed later ;; esac ;; esac prev= continue ;; inst_prefix) inst_prefix_dir="$arg" prev= continue ;; objectlist) if test -f "$arg"; then save_arg=$arg moreargs= for fil in `cat "$save_arg"` do # func_append moreargs " $fil" arg=$fil # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test "$pic_object" = none && test "$non_pic_object" = none; then func_fatal_error "cannot find name of object for \`$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" if test "$pic_object" != none; then # Prepend the subdirectory the object is found in. pic_object="$xdir$pic_object" if test "$prev" = dlfiles; then if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test "$prev" = dlprefiles; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg="$pic_object" fi # Non-PIC object. if test "$non_pic_object" != none; then # Prepend the subdirectory the object is found in. non_pic_object="$xdir$non_pic_object" # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test "$pic_object" = none ; then arg="$non_pic_object" fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object="$pic_object" func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "\`$arg' is not a valid libtool object" fi fi done else func_fatal_error "link input file \`$arg' does not exist" fi arg=$save_arg prev= continue ;; precious_regex) precious_files_regex="$arg" prev= continue ;; release) release="-$arg" prev= continue ;; rpath | xrpath) # We need an absolute path. case $arg in [\\/]* | [A-Za-z]:[\\/]*) ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac if test "$prev" = rpath; then case "$rpath " in *" $arg "*) ;; *) func_append rpath " $arg" ;; esac else case "$xrpath " in *" $arg "*) ;; *) func_append xrpath " $arg" ;; esac fi prev= continue ;; shrext) shrext_cmds="$arg" prev= continue ;; weak) func_append weak_libs " $arg" prev= continue ;; xcclinker) func_append linker_flags " $qarg" func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xcompiler) func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xlinker) func_append linker_flags " $qarg" func_append compiler_flags " $wl$qarg" prev= func_append compile_command " $wl$qarg" func_append finalize_command " $wl$qarg" continue ;; *) eval "$prev=\"\$arg\"" prev= continue ;; esac fi # test -n "$prev" prevarg="$arg" case $arg in -all-static) if test -n "$link_static_flag"; then # See comment for -static flag below, for more details. func_append compile_command " $link_static_flag" func_append finalize_command " $link_static_flag" fi continue ;; -allow-undefined) # FIXME: remove this flag sometime in the future. func_fatal_error "\`-allow-undefined' must not be used because it is the default" ;; -avoid-version) avoid_version=yes continue ;; -bindir) prev=bindir continue ;; -dlopen) prev=dlfiles continue ;; -dlpreopen) prev=dlprefiles continue ;; -export-dynamic) export_dynamic=yes continue ;; -export-symbols | -export-symbols-regex) if test -n "$export_symbols" || test -n "$export_symbols_regex"; then func_fatal_error "more than one -exported-symbols argument is not allowed" fi if test "X$arg" = "X-export-symbols"; then prev=expsyms else prev=expsyms_regex fi continue ;; -framework) prev=framework continue ;; -inst-prefix-dir) prev=inst_prefix continue ;; # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* # so, if we see these flags be careful not to treat them like -L -L[A-Z][A-Z]*:*) case $with_gcc/$host in no/*-*-irix* | /*-*-irix*) func_append compile_command " $arg" func_append finalize_command " $arg" ;; esac continue ;; -L*) func_stripname "-L" '' "$arg" if test -z "$func_stripname_result"; then if test "$#" -gt 0; then func_fatal_error "require no space between \`-L' and \`$1'" else func_fatal_error "need path for \`-L' option" fi fi func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) absdir=`cd "$dir" && pwd` test -z "$absdir" && \ func_fatal_error "cannot determine absolute directory name of \`$dir'" dir="$absdir" ;; esac case "$deplibs " in *" -L$dir "* | *" $arg "*) # Will only happen for absolute or sysroot arguments ;; *) # Preserve sysroot, but never include relative directories case $dir in [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; *) func_append deplibs " -L$dir" ;; esac func_append lib_search_path " $dir" ;; esac case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` case :$dllsearchpath: in *":$dir:"*) ;; ::) dllsearchpath=$dir;; *) func_append dllsearchpath ":$dir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac continue ;; -l*) if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) # These systems don't actually have a C or math library (as such) continue ;; *-*-os2*) # These systems don't actually have a C library (as such) test "X$arg" = "X-lc" && continue ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc due to us having libc/libc_r. test "X$arg" = "X-lc" && continue ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C and math libraries are in the System framework func_append deplibs " System.ltframework" continue ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype test "X$arg" = "X-lc" && continue ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work test "X$arg" = "X-lc" && continue ;; esac elif test "X$arg" = "X-lc_r"; then case $host in *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc_r directly, use -pthread flag. continue ;; esac fi func_append deplibs " $arg" continue ;; -module) module=yes continue ;; # Tru64 UNIX uses -model [arg] to determine the layout of C++ # classes, name mangling, and exception handling. # Darwin uses the -arch flag to determine output architecture. -model|-arch|-isysroot|--sysroot) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" prev=xcompiler continue ;; -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" case "$new_inherited_linker_flags " in *" $arg "*) ;; * ) func_append new_inherited_linker_flags " $arg" ;; esac continue ;; -multi_module) single_module="${wl}-multi_module" continue ;; -no-fast-install) fast_install=no continue ;; -no-install) case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) # The PATH hackery in wrapper scripts is required on Windows # and Darwin in order for the loader to find any dlls it needs. func_warning "\`-no-install' is ignored for $host" func_warning "assuming \`-no-fast-install' instead" fast_install=no ;; *) no_install=yes ;; esac continue ;; -no-undefined) allow_undefined=no continue ;; -objectlist) prev=objectlist continue ;; -o) prev=output ;; -precious-files-regex) prev=precious_regex continue ;; -release) prev=release continue ;; -rpath) prev=rpath continue ;; -R) prev=xrpath continue ;; -R*) func_stripname '-R' '' "$arg" dir=$func_stripname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; =*) func_stripname '=' '' "$dir" dir=$lt_sysroot$func_stripname_result ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac continue ;; -shared) # The effects of -shared are defined in a previous loop. continue ;; -shrext) prev=shrext continue ;; -static | -static-libtool-libs) # The effects of -static are defined in a previous loop. # We used to do the same as -all-static on platforms that # didn't have a PIC flag, but the assumption that the effects # would be equivalent was wrong. It would break on at least # Digital Unix and AIX. continue ;; -thread-safe) thread_safe=yes continue ;; -version-info) prev=vinfo continue ;; -version-number) prev=vinfo vinfo_number=yes continue ;; -weak) prev=weak continue ;; -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result arg= save_ifs="$IFS"; IFS=',' for flag in $args; do IFS="$save_ifs" func_quote_for_eval "$flag" func_append arg " $func_quote_for_eval_result" func_append compiler_flags " $func_quote_for_eval_result" done IFS="$save_ifs" func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Wl,*) func_stripname '-Wl,' '' "$arg" args=$func_stripname_result arg= save_ifs="$IFS"; IFS=',' for flag in $args; do IFS="$save_ifs" func_quote_for_eval "$flag" func_append arg " $wl$func_quote_for_eval_result" func_append compiler_flags " $wl$func_quote_for_eval_result" func_append linker_flags " $func_quote_for_eval_result" done IFS="$save_ifs" func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Xcompiler) prev=xcompiler continue ;; -Xlinker) prev=xlinker continue ;; -XCClinker) prev=xcclinker continue ;; # -msg_* for osf cc -msg_*) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; # Flags to be passed through unchanged, with rationale: # -64, -mips[0-9] enable 64-bit mode for the SGI compiler # -r[0-9][0-9]* specify processor for the SGI compiler # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler # +DA*, +DD* enable 64-bit mode for the HP compiler # -q* compiler args for the IBM compiler # -m*, -t[45]*, -txscale* architecture-specific flags for GCC # -F/path path to uninstalled frameworks, gcc on darwin # -p, -pg, --coverage, -fprofile-* profiling flags for GCC # @file GCC response files # -tp=* Portland pgcc target processor selection # --sysroot=* for sysroot support # -O*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ -O*|-flto*|-fwhopr*|-fuse-linker-plugin) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" func_append compile_command " $arg" func_append finalize_command " $arg" func_append compiler_flags " $arg" continue ;; # Some other compiler flag. -* | +*) func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; *.$objext) # A standard object. func_append objs " $arg" ;; *.lo) # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test "$pic_object" = none && test "$non_pic_object" = none; then func_fatal_error "cannot find name of object for \`$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" if test "$pic_object" != none; then # Prepend the subdirectory the object is found in. pic_object="$xdir$pic_object" if test "$prev" = dlfiles; then if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test "$prev" = dlprefiles; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg="$pic_object" fi # Non-PIC object. if test "$non_pic_object" != none; then # Prepend the subdirectory the object is found in. non_pic_object="$xdir$non_pic_object" # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test "$pic_object" = none ; then arg="$non_pic_object" fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object="$pic_object" func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir="$func_dirname_result" func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "\`$arg' is not a valid libtool object" fi fi ;; *.$libext) # An archive. func_append deplibs " $arg" func_append old_deplibs " $arg" continue ;; *.la) # A libtool-controlled library. func_resolve_sysroot "$arg" if test "$prev" = dlfiles; then # This library was specified with -dlopen. func_append dlfiles " $func_resolve_sysroot_result" prev= elif test "$prev" = dlprefiles; then # The library was specified with -dlpreopen. func_append dlprefiles " $func_resolve_sysroot_result" prev= else func_append deplibs " $func_resolve_sysroot_result" fi continue ;; # Some other compiler argument. *) # Unknown arguments in both finalize_command and compile_command need # to be aesthetically quoted because they are evaled later. func_quote_for_eval "$arg" arg="$func_quote_for_eval_result" ;; esac # arg # Now actually substitute the argument into the commands. if test -n "$arg"; then func_append compile_command " $arg" func_append finalize_command " $arg" fi done # argument parsing loop test -n "$prev" && \ func_fatal_help "the \`$prevarg' option requires an argument" if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then eval arg=\"$export_dynamic_flag_spec\" func_append compile_command " $arg" func_append finalize_command " $arg" fi oldlibs= # calculate the name of the file, without its directory func_basename "$output" outputname="$func_basename_result" libobjs_save="$libobjs" if test -n "$shlibpath_var"; then # get the directories listed in $shlibpath_var eval shlib_search_path=\`\$ECHO \"\${$shlibpath_var}\" \| \$SED \'s/:/ /g\'\` else shlib_search_path= fi eval sys_lib_search_path=\"$sys_lib_search_path_spec\" eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" func_dirname "$output" "/" "" output_objdir="$func_dirname_result$objdir" func_to_tool_file "$output_objdir/" tool_output_objdir=$func_to_tool_file_result # Create the object directory. func_mkdir_p "$output_objdir" # Determine the type of output case $output in "") func_fatal_help "you must specify an output file" ;; *.$libext) linkmode=oldlib ;; *.lo | *.$objext) linkmode=obj ;; *.la) linkmode=lib ;; *) linkmode=prog ;; # Anything else should be a program. esac specialdeplibs= libs= # Find all interdependent deplibs by searching for libraries # that are linked more than once (e.g. -la -lb -la) for deplib in $deplibs; do if $opt_preserve_dup_deps ; then case "$libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append libs " $deplib" done if test "$linkmode" = lib; then libs="$predeps $libs $compiler_lib_search_path $postdeps" # Compute libraries that are listed more than once in $predeps # $postdeps and mark them as special (i.e., whose duplicates are # not to be eliminated). pre_post_deps= if $opt_duplicate_compiler_generated_deps; then for pre_post_dep in $predeps $postdeps; do case "$pre_post_deps " in *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;; esac func_append pre_post_deps " $pre_post_dep" done fi pre_post_deps= fi deplibs= newdependency_libs= newlib_search_path= need_relink=no # whether we're linking any uninstalled libtool libraries notinst_deplibs= # not-installed libtool libraries notinst_path= # paths that contain not-installed libtool libraries case $linkmode in lib) passes="conv dlpreopen link" for file in $dlfiles $dlprefiles; do case $file in *.la) ;; *) func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file" ;; esac done ;; prog) compile_deplibs= finalize_deplibs= alldeplibs=no newdlfiles= newdlprefiles= passes="conv scan dlopen dlpreopen link" ;; *) passes="conv" ;; esac for pass in $passes; do # The preopen pass in lib mode reverses $deplibs; put it back here # so that -L comes before libs that need it for instance... if test "$linkmode,$pass" = "lib,link"; then ## FIXME: Find the place where the list is rebuilt in the wrong ## order, and fix it there properly tmp_deplibs= for deplib in $deplibs; do tmp_deplibs="$deplib $tmp_deplibs" done deplibs="$tmp_deplibs" fi if test "$linkmode,$pass" = "lib,link" || test "$linkmode,$pass" = "prog,scan"; then libs="$deplibs" deplibs= fi if test "$linkmode" = prog; then case $pass in dlopen) libs="$dlfiles" ;; dlpreopen) libs="$dlprefiles" ;; link) libs="$deplibs %DEPLIBS%" test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs" ;; esac fi if test "$linkmode,$pass" = "lib,dlpreopen"; then # Collect and forward deplibs of preopened libtool libs for lib in $dlprefiles; do # Ignore non-libtool-libs dependency_libs= func_resolve_sysroot "$lib" case $lib in *.la) func_source "$func_resolve_sysroot_result" ;; esac # Collect preopened libtool deplibs, except any this library # has declared as weak libs for deplib in $dependency_libs; do func_basename "$deplib" deplib_base=$func_basename_result case " $weak_libs " in *" $deplib_base "*) ;; *) func_append deplibs " $deplib" ;; esac done done libs="$dlprefiles" fi if test "$pass" = dlopen; then # Collect dlpreopened libraries save_deplibs="$deplibs" deplibs= fi for deplib in $libs; do lib= found=no case $deplib in -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append compiler_flags " $deplib" if test "$linkmode" = lib ; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -l*) if test "$linkmode" != lib && test "$linkmode" != prog; then func_warning "\`-l' is ignored for archives/objects" continue fi func_stripname '-l' '' "$deplib" name=$func_stripname_result if test "$linkmode" = lib; then searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" else searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" fi for searchdir in $searchdirs; do for search_ext in .la $std_shrext .so .a; do # Search the libtool library lib="$searchdir/lib${name}${search_ext}" if test -f "$lib"; then if test "$search_ext" = ".la"; then found=yes else found=no fi break 2 fi done done if test "$found" != yes; then # deplib doesn't seem to be a libtool library if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" fi continue else # deplib is a libtool library # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, # We need to do some special things here, and not later. if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then case " $predeps $postdeps " in *" $deplib "*) if func_lalib_p "$lib"; then library_names= old_library= func_source "$lib" for l in $old_library $library_names; do ll="$l" done if test "X$ll" = "X$old_library" ; then # only static version available found=no func_dirname "$lib" "" "." ladir="$func_dirname_result" lib=$ladir/$old_library if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" fi continue fi fi ;; *) ;; esac fi fi ;; # -l *.ltframework) if test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" if test "$linkmode" = lib ; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -L*) case $linkmode in lib) deplibs="$deplib $deplibs" test "$pass" = conv && continue newdependency_libs="$deplib $newdependency_libs" func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; prog) if test "$pass" = conv; then deplibs="$deplib $deplibs" continue fi if test "$pass" = scan; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; *) func_warning "\`-L' is ignored for archives/objects" ;; esac # linkmode continue ;; # -L -R*) if test "$pass" = link; then func_stripname '-R' '' "$deplib" func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # Make sure the xrpath contains only unique directories. case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac fi deplibs="$deplib $deplibs" continue ;; *.la) func_resolve_sysroot "$deplib" lib=$func_resolve_sysroot_result ;; *.$libext) if test "$pass" = conv; then deplibs="$deplib $deplibs" continue fi case $linkmode in lib) # Linking convenience modules into shared libraries is allowed, # but linking other static libraries is non-portable. case " $dlpreconveniencelibs " in *" $deplib "*) ;; *) valid_a_lib=no case $deplibs_check_method in match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ | $EGREP "$match_pattern_regex" > /dev/null; then valid_a_lib=yes fi ;; pass_all) valid_a_lib=yes ;; esac if test "$valid_a_lib" != yes; then echo $ECHO "*** Warning: Trying to link with static lib archive $deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because the file extensions .$libext of this argument makes me believe" echo "*** that it is just a static archive that I should not use here." else echo $ECHO "*** Warning: Linking the shared library $output against the" $ECHO "*** static library $deplib is not portable!" deplibs="$deplib $deplibs" fi ;; esac continue ;; prog) if test "$pass" != link; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi continue ;; esac # linkmode ;; # *.$libext *.lo | *.$objext) if test "$pass" = conv; then deplibs="$deplib $deplibs" elif test "$linkmode" = prog; then if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then # If there is no dlopen support or we're linking statically, # we need to preload. func_append newdlprefiles " $deplib" compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append newdlfiles " $deplib" fi fi continue ;; %DEPLIBS%) alldeplibs=yes continue ;; esac # case $deplib if test "$found" = yes || test -f "$lib"; then : else func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'" fi # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$lib" \ || func_fatal_error "\`$lib' is not a valid libtool archive" func_dirname "$lib" "" "." ladir="$func_dirname_result" dlname= dlopen= dlpreopen= libdir= library_names= old_library= inherited_linker_flags= # If the library was installed with an old release of libtool, # it will not redefine variables installed, or shouldnotlink installed=yes shouldnotlink=no avoidtemprpath= # Read the .la file func_source "$lib" # Convert "-framework foo" to "foo.ltframework" if test -n "$inherited_linker_flags"; then tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do case " $new_inherited_linker_flags " in *" $tmp_inherited_linker_flag "*) ;; *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; esac done fi dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` if test "$linkmode,$pass" = "lib,link" || test "$linkmode,$pass" = "prog,scan" || { test "$linkmode" != prog && test "$linkmode" != lib; }; then test -n "$dlopen" && func_append dlfiles " $dlopen" test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" fi if test "$pass" = conv; then # Only check for convenience libraries deplibs="$lib $deplibs" if test -z "$libdir"; then if test -z "$old_library"; then func_fatal_error "cannot find name of link library for \`$lib'" fi # It is a libtool convenience library, so add in its objects. func_append convenience " $ladir/$objdir/$old_library" func_append old_convenience " $ladir/$objdir/$old_library" tmp_libs= for deplib in $dependency_libs; do deplibs="$deplib $deplibs" if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done elif test "$linkmode" != prog && test "$linkmode" != lib; then func_fatal_error "\`$lib' is not a convenience library" fi continue fi # $pass = conv # Get the name of the library we link against. linklib= if test -n "$old_library" && { test "$prefer_static_libs" = yes || test "$prefer_static_libs,$installed" = "built,no"; }; then linklib=$old_library else for l in $old_library $library_names; do linklib="$l" done fi if test -z "$linklib"; then func_fatal_error "cannot find name of link library for \`$lib'" fi # This library was specified with -dlopen. if test "$pass" = dlopen; then if test -z "$libdir"; then func_fatal_error "cannot -dlopen a convenience library: \`$lib'" fi if test -z "$dlname" || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then # If there is no dlname, no dlopen support or we're linking # statically, we need to preload. We also need to preload any # dependent libraries so libltdl's deplib preloader doesn't # bomb out in the load deplibs phase. func_append dlprefiles " $lib $dependency_libs" else func_append newdlfiles " $lib" fi continue fi # $pass = dlopen # We need an absolute path. case $ladir in [\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;; *) abs_ladir=`cd "$ladir" && pwd` if test -z "$abs_ladir"; then func_warning "cannot determine absolute directory name of \`$ladir'" func_warning "passing it literally to the linker, although it might fail" abs_ladir="$ladir" fi ;; esac func_basename "$lib" laname="$func_basename_result" # Find the relevant object directory and library name. if test "X$installed" = Xyes; then if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then func_warning "library \`$lib' was moved." dir="$ladir" absdir="$abs_ladir" libdir="$abs_ladir" else dir="$lt_sysroot$libdir" absdir="$lt_sysroot$libdir" fi test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes else if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then dir="$ladir" absdir="$abs_ladir" # Remove this search path later func_append notinst_path " $abs_ladir" else dir="$ladir/$objdir" absdir="$abs_ladir/$objdir" # Remove this search path later func_append notinst_path " $abs_ladir" fi fi # $installed = yes func_stripname 'lib' '.la' "$laname" name=$func_stripname_result # This library was specified with -dlpreopen. if test "$pass" = dlpreopen; then if test -z "$libdir" && test "$linkmode" = prog; then func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'" fi case "$host" in # special handling for platforms with PE-DLLs. *cygwin* | *mingw* | *cegcc* ) # Linker will automatically link against shared library if both # static and shared are present. Therefore, ensure we extract # symbols from the import library if a shared library is present # (otherwise, the dlopen module name will be incorrect). We do # this by putting the import library name into $newdlprefiles. # We recover the dlopen module name by 'saving' the la file # name in a special purpose variable, and (later) extracting the # dlname from the la file. if test -n "$dlname"; then func_tr_sh "$dir/$linklib" eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" func_append newdlprefiles " $dir/$linklib" else func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" fi ;; * ) # Prefer using a static library (so that no silly _DYNAMIC symbols # are required to link). if test -n "$old_library"; then func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" # Otherwise, use the dlname, so that lt_dlopen finds it. elif test -n "$dlname"; then func_append newdlprefiles " $dir/$dlname" else func_append newdlprefiles " $dir/$linklib" fi ;; esac fi # $pass = dlpreopen if test -z "$libdir"; then # Link the convenience library if test "$linkmode" = lib; then deplibs="$dir/$old_library $deplibs" elif test "$linkmode,$pass" = "prog,link"; then compile_deplibs="$dir/$old_library $compile_deplibs" finalize_deplibs="$dir/$old_library $finalize_deplibs" else deplibs="$lib $deplibs" # used for prog,scan pass fi continue fi if test "$linkmode" = prog && test "$pass" != link; then func_append newlib_search_path " $ladir" deplibs="$lib $deplibs" linkalldeplibs=no if test "$link_all_deplibs" != no || test -z "$library_names" || test "$build_libtool_libs" = no; then linkalldeplibs=yes fi tmp_libs= for deplib in $dependency_libs; do case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; esac # Need to link against all dependency_libs? if test "$linkalldeplibs" = yes; then deplibs="$deplib $deplibs" else # Need to hardcode shared library paths # or/and link against static libraries newdependency_libs="$deplib $newdependency_libs" fi if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done # for deplib continue fi # $linkmode = prog... if test "$linkmode,$pass" = "prog,link"; then if test -n "$library_names" && { { test "$prefer_static_libs" = no || test "$prefer_static_libs,$installed" = "built,yes"; } || test -z "$old_library"; }; then # We need to hardcode the library path if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then # Make sure the rpath contains only unique directories. case "$temp_rpath:" in *"$absdir:"*) ;; *) func_append temp_rpath "$absdir:" ;; esac fi # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi # $linkmode,$pass = prog,link... if test "$alldeplibs" = yes && { test "$deplibs_check_method" = pass_all || { test "$build_libtool_libs" = yes && test -n "$library_names"; }; }; then # We only need to search for static libraries continue fi fi link_static=no # Whether the deplib will be linked statically use_static_libs=$prefer_static_libs if test "$use_static_libs" = built && test "$installed" = yes; then use_static_libs=no fi if test -n "$library_names" && { test "$use_static_libs" = no || test -z "$old_library"; }; then case $host in *cygwin* | *mingw* | *cegcc*) # No point in relinking DLLs because paths are not encoded func_append notinst_deplibs " $lib" need_relink=no ;; *) if test "$installed" = no; then func_append notinst_deplibs " $lib" need_relink=yes fi ;; esac # This is a shared library # Warn about portability, can't link against -module's on some # systems (darwin). Don't bleat about dlopened modules though! dlopenmodule="" for dlpremoduletest in $dlprefiles; do if test "X$dlpremoduletest" = "X$lib"; then dlopenmodule="$dlpremoduletest" break fi done if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then echo if test "$linkmode" = prog; then $ECHO "*** Warning: Linking the executable $output against the loadable module" else $ECHO "*** Warning: Linking the shared library $output against the loadable module" fi $ECHO "*** $linklib is not portable!" fi if test "$linkmode" = lib && test "$hardcode_into_libs" = yes; then # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi if test -n "$old_archive_from_expsyms_cmds"; then # figure out the soname set dummy $library_names shift realname="$1" shift libname=`eval "\\$ECHO \"$libname_spec\""` # use dlname if we got it. it's perfectly good, no? if test -n "$dlname"; then soname="$dlname" elif test -n "$soname_spec"; then # bleh windows case $host in *cygwin* | mingw* | *cegcc*) func_arith $current - $age major=$func_arith_result versuffix="-$major" ;; esac eval soname=\"$soname_spec\" else soname="$realname" fi # Make a new name for the extract_expsyms_cmds to use soroot="$soname" func_basename "$soroot" soname="$func_basename_result" func_stripname 'lib' '.dll' "$soname" newlib=libimp-$func_stripname_result.a # If the library has no export list, then create one now if test -f "$output_objdir/$soname-def"; then : else func_verbose "extracting exported symbol list from \`$soname'" func_execute_cmds "$extract_expsyms_cmds" 'exit $?' fi # Create $newlib if test -f "$output_objdir/$newlib"; then :; else func_verbose "generating import library for \`$soname'" func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' fi # make sure the library variables are pointing to the new library dir=$output_objdir linklib=$newlib fi # test -n "$old_archive_from_expsyms_cmds" if test "$linkmode" = prog || test "$opt_mode" != relink; then add_shlibpath= add_dir= add= lib_linked=yes case $hardcode_action in immediate | unsupported) if test "$hardcode_direct" = no; then add="$dir/$linklib" case $host in *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;; *-*-sysv4*uw2*) add_dir="-L$dir" ;; *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ *-*-unixware7*) add_dir="-L$dir" ;; *-*-darwin* ) # if the lib is a (non-dlopened) module then we can not # link against it, someone is ignoring the earlier warnings if /usr/bin/file -L $add 2> /dev/null | $GREP ": [^:]* bundle" >/dev/null ; then if test "X$dlopenmodule" != "X$lib"; then $ECHO "*** Warning: lib $linklib is a module, not a shared library" if test -z "$old_library" ; then echo echo "*** And there doesn't seem to be a static archive available" echo "*** The link will probably fail, sorry" else add="$dir/$old_library" fi elif test -n "$old_library"; then add="$dir/$old_library" fi fi esac elif test "$hardcode_minus_L" = no; then case $host in *-*-sunos*) add_shlibpath="$dir" ;; esac add_dir="-L$dir" add="-l$name" elif test "$hardcode_shlibpath_var" = no; then add_shlibpath="$dir" add="-l$name" else lib_linked=no fi ;; relink) if test "$hardcode_direct" = yes && test "$hardcode_direct_absolute" = no; then add="$dir/$linklib" elif test "$hardcode_minus_L" = yes; then add_dir="-L$absdir" # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add="-l$name" elif test "$hardcode_shlibpath_var" = yes; then add_shlibpath="$dir" add="-l$name" else lib_linked=no fi ;; *) lib_linked=no ;; esac if test "$lib_linked" != yes; then func_fatal_configuration "unsupported hardcode properties" fi if test -n "$add_shlibpath"; then case :$compile_shlibpath: in *":$add_shlibpath:"*) ;; *) func_append compile_shlibpath "$add_shlibpath:" ;; esac fi if test "$linkmode" = prog; then test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" test -n "$add" && compile_deplibs="$add $compile_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" if test "$hardcode_direct" != yes && test "$hardcode_minus_L" != yes && test "$hardcode_shlibpath_var" = yes; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac fi fi fi if test "$linkmode" = prog || test "$opt_mode" = relink; then add_shlibpath= add_dir= add= # Finalize command for both is simple: just hardcode it. if test "$hardcode_direct" = yes && test "$hardcode_direct_absolute" = no; then add="$libdir/$linklib" elif test "$hardcode_minus_L" = yes; then add_dir="-L$libdir" add="-l$name" elif test "$hardcode_shlibpath_var" = yes; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac add="-l$name" elif test "$hardcode_automatic" = yes; then if test -n "$inst_prefix_dir" && test -f "$inst_prefix_dir$libdir/$linklib" ; then add="$inst_prefix_dir$libdir/$linklib" else add="$libdir/$linklib" fi else # We cannot seem to hardcode it, guess we'll fake it. add_dir="-L$libdir" # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add="-l$name" fi if test "$linkmode" = prog; then test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" test -n "$add" && finalize_deplibs="$add $finalize_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" fi fi elif test "$linkmode" = prog; then # Here we assume that one of hardcode_direct or hardcode_minus_L # is not unsupported. This is valid on all known static and # shared platforms. if test "$hardcode_direct" != unsupported; then test -n "$old_library" && linklib="$old_library" compile_deplibs="$dir/$linklib $compile_deplibs" finalize_deplibs="$dir/$linklib $finalize_deplibs" else compile_deplibs="-l$name -L$dir $compile_deplibs" finalize_deplibs="-l$name -L$dir $finalize_deplibs" fi elif test "$build_libtool_libs" = yes; then # Not a shared library if test "$deplibs_check_method" != pass_all; then # We're trying link a shared library against a static one # but the system doesn't support it. # Just print a warning and add the library to dependency_libs so # that the program can be linked against the static library. echo $ECHO "*** Warning: This system can not link to static lib archive $lib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have." if test "$module" = yes; then echo "*** But as you try to build a module library, libtool will still create " echo "*** a static module, that should work as long as the dlopening application" echo "*** is linked with the -dlopen flag to resolve symbols at runtime." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using \`nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** \`nm' from GNU binutils and a full rebuild may help." fi if test "$build_old_libs" = no; then build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi else deplibs="$dir/$old_library $deplibs" link_static=yes fi fi # link shared/static library? if test "$linkmode" = lib; then if test -n "$dependency_libs" && { test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes || test "$link_static" = yes; }; then # Extract -R from dependency_libs temp_deplibs= for libdir in $dependency_libs; do case $libdir in -R*) func_stripname '-R' '' "$libdir" temp_xrpath=$func_stripname_result case " $xrpath " in *" $temp_xrpath "*) ;; *) func_append xrpath " $temp_xrpath";; esac;; *) func_append temp_deplibs " $libdir";; esac done dependency_libs="$temp_deplibs" fi func_append newlib_search_path " $absdir" # Link against this library test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs" # ... and its dependency_libs tmp_libs= for deplib in $dependency_libs; do newdependency_libs="$deplib $newdependency_libs" case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result";; *) func_resolve_sysroot "$deplib" ;; esac if $opt_preserve_dup_deps ; then case "$tmp_libs " in *" $func_resolve_sysroot_result "*) func_append specialdeplibs " $func_resolve_sysroot_result" ;; esac fi func_append tmp_libs " $func_resolve_sysroot_result" done if test "$link_all_deplibs" != no; then # Add the search paths of all dependency libraries for deplib in $dependency_libs; do path= case $deplib in -L*) path="$deplib" ;; *.la) func_resolve_sysroot "$deplib" deplib=$func_resolve_sysroot_result func_dirname "$deplib" "" "." dir=$func_dirname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;; *) absdir=`cd "$dir" && pwd` if test -z "$absdir"; then func_warning "cannot determine absolute directory name of \`$dir'" absdir="$dir" fi ;; esac if $GREP "^installed=no" $deplib > /dev/null; then case $host in *-*-darwin*) depdepl= eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` if test -n "$deplibrary_names" ; then for tmp in $deplibrary_names ; do depdepl=$tmp done if test -f "$absdir/$objdir/$depdepl" ; then depdepl="$absdir/$objdir/$depdepl" darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` if test -z "$darwin_install_name"; then darwin_install_name=`${OTOOL64} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` fi func_append compiler_flags " ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}" func_append linker_flags " -dylib_file ${darwin_install_name}:${depdepl}" path= fi fi ;; *) path="-L$absdir/$objdir" ;; esac else eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` test -z "$libdir" && \ func_fatal_error "\`$deplib' is not a valid libtool archive" test "$absdir" != "$libdir" && \ func_warning "\`$deplib' seems to be moved" path="-L$absdir" fi ;; esac case " $deplibs " in *" $path "*) ;; *) deplibs="$path $deplibs" ;; esac done fi # link_all_deplibs != no fi # linkmode = lib done # for deplib in $libs if test "$pass" = link; then if test "$linkmode" = "prog"; then compile_deplibs="$new_inherited_linker_flags $compile_deplibs" finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" else compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` fi fi dependency_libs="$newdependency_libs" if test "$pass" = dlpreopen; then # Link the dlpreopened libraries before other libraries for deplib in $save_deplibs; do deplibs="$deplib $deplibs" done fi if test "$pass" != dlopen; then if test "$pass" != conv; then # Make sure lib_search_path contains only unique directories. lib_search_path= for dir in $newlib_search_path; do case "$lib_search_path " in *" $dir "*) ;; *) func_append lib_search_path " $dir" ;; esac done newlib_search_path= fi if test "$linkmode,$pass" != "prog,link"; then vars="deplibs" else vars="compile_deplibs finalize_deplibs" fi for var in $vars dependency_libs; do # Add libraries to $var in reverse order eval tmp_libs=\"\$$var\" new_libs= for deplib in $tmp_libs; do # FIXME: Pedantically, this is the right thing to do, so # that some nasty dependency loop isn't accidentally # broken: #new_libs="$deplib $new_libs" # Pragmatically, this seems to cause very few problems in # practice: case $deplib in -L*) new_libs="$deplib $new_libs" ;; -R*) ;; *) # And here is the reason: when a library appears more # than once as an explicit dependence of a library, or # is implicitly linked in more than once by the # compiler, it is considered special, and multiple # occurrences thereof are not removed. Compare this # with having the same library being listed as a # dependency of multiple other libraries: in this case, # we know (pedantically, we assume) the library does not # need to be listed more than once, so we keep only the # last copy. This is not always right, but it is rare # enough that we require users that really mean to play # such unportable linking tricks to link the library # using -Wl,-lname, so that libtool does not consider it # for duplicate removal. case " $specialdeplibs " in *" $deplib "*) new_libs="$deplib $new_libs" ;; *) case " $new_libs " in *" $deplib "*) ;; *) new_libs="$deplib $new_libs" ;; esac ;; esac ;; esac done tmp_libs= for deplib in $new_libs; do case $deplib in -L*) case " $tmp_libs " in *" $deplib "*) ;; *) func_append tmp_libs " $deplib" ;; esac ;; *) func_append tmp_libs " $deplib" ;; esac done eval $var=\"$tmp_libs\" done # for var fi # Last step: remove runtime libs from dependency_libs # (they stay in deplibs) tmp_libs= for i in $dependency_libs ; do case " $predeps $postdeps $compiler_lib_search_path " in *" $i "*) i="" ;; esac if test -n "$i" ; then func_append tmp_libs " $i" fi done dependency_libs=$tmp_libs done # for pass if test "$linkmode" = prog; then dlfiles="$newdlfiles" fi if test "$linkmode" = prog || test "$linkmode" = lib; then dlprefiles="$newdlprefiles" fi case $linkmode in oldlib) if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then func_warning "\`-dlopen' is ignored for archives" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "\`-l' and \`-L' are ignored for archives" ;; esac test -n "$rpath" && \ func_warning "\`-rpath' is ignored for archives" test -n "$xrpath" && \ func_warning "\`-R' is ignored for archives" test -n "$vinfo" && \ func_warning "\`-version-info/-version-number' is ignored for archives" test -n "$release" && \ func_warning "\`-release' is ignored for archives" test -n "$export_symbols$export_symbols_regex" && \ func_warning "\`-export-symbols' is ignored for archives" # Now set the variables for building old libraries. build_libtool_libs=no oldlibs="$output" func_append objs "$old_deplibs" ;; lib) # Make sure we only generate libraries of the form `libNAME.la'. case $outputname in lib*) func_stripname 'lib' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" ;; *) test "$module" = no && \ func_fatal_help "libtool library \`$output' must begin with \`lib'" if test "$need_lib_prefix" != no; then # Add the "lib" prefix for modules if required func_stripname '' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" else func_stripname '' '.la' "$outputname" libname=$func_stripname_result fi ;; esac if test -n "$objs"; then if test "$deplibs_check_method" != pass_all; then func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs" else echo $ECHO "*** Warning: Linking the shared library $output against the non-libtool" $ECHO "*** objects $objs is not portable!" func_append libobjs " $objs" fi fi test "$dlself" != no && \ func_warning "\`-dlopen self' is ignored for libtool libraries" set dummy $rpath shift test "$#" -gt 1 && \ func_warning "ignoring multiple \`-rpath's for a libtool library" install_libdir="$1" oldlibs= if test -z "$rpath"; then if test "$build_libtool_libs" = yes; then # Building a libtool convenience library. # Some compilers have problems with a `.al' extension so # convenience libraries should have the same extension an # archive normally would. oldlibs="$output_objdir/$libname.$libext $oldlibs" build_libtool_libs=convenience build_old_libs=yes fi test -n "$vinfo" && \ func_warning "\`-version-info/-version-number' is ignored for convenience libraries" test -n "$release" && \ func_warning "\`-release' is ignored for convenience libraries" else # Parse the version information argument. save_ifs="$IFS"; IFS=':' set dummy $vinfo 0 0 0 shift IFS="$save_ifs" test -n "$7" && \ func_fatal_help "too many parameters to \`-version-info'" # convert absolute version numbers to libtool ages # this retains compatibility with .la files and attempts # to make the code below a bit more comprehensible case $vinfo_number in yes) number_major="$1" number_minor="$2" number_revision="$3" # # There are really only two kinds -- those that # use the current revision as the major version # and those that subtract age and use age as # a minor version. But, then there is irix # which has an extra 1 added just for fun # case $version_type in # correct linux to gnu/linux during the next big refactor darwin|linux|osf|windows|none) func_arith $number_major + $number_minor current=$func_arith_result age="$number_minor" revision="$number_revision" ;; freebsd-aout|freebsd-elf|qnx|sunos) current="$number_major" revision="$number_minor" age="0" ;; irix|nonstopux) func_arith $number_major + $number_minor current=$func_arith_result age="$number_minor" revision="$number_minor" lt_irix_increment=no ;; *) func_fatal_configuration "$modename: unknown library version type \`$version_type'" ;; esac ;; no) current="$1" revision="$2" age="$3" ;; esac # Check that each of the things are valid numbers. case $current in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "CURRENT \`$current' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac case $revision in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "REVISION \`$revision' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac case $age in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "AGE \`$age' must be a nonnegative integer" func_fatal_error "\`$vinfo' is not valid version information" ;; esac if test "$age" -gt "$current"; then func_error "AGE \`$age' is greater than the current interface number \`$current'" func_fatal_error "\`$vinfo' is not valid version information" fi # Calculate the version variables. major= versuffix= verstring= case $version_type in none) ;; darwin) # Like Linux, but with the current version available in # verstring for coding it into the library header func_arith $current - $age major=.$func_arith_result versuffix="$major.$age.$revision" # Darwin ld doesn't like 0 for these options... func_arith $current + 1 minor_current=$func_arith_result xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision" verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" ;; freebsd-aout) major=".$current" versuffix=".$current.$revision"; ;; freebsd-elf) major=".$current" versuffix=".$current" ;; irix | nonstopux) if test "X$lt_irix_increment" = "Xno"; then func_arith $current - $age else func_arith $current - $age + 1 fi major=$func_arith_result case $version_type in nonstopux) verstring_prefix=nonstopux ;; *) verstring_prefix=sgi ;; esac verstring="$verstring_prefix$major.$revision" # Add in all the interfaces that we are compatible with. loop=$revision while test "$loop" -ne 0; do func_arith $revision - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring="$verstring_prefix$major.$iface:$verstring" done # Before this point, $major must not contain `.'. major=.$major versuffix="$major.$revision" ;; linux) # correct to gnu/linux during the next big refactor func_arith $current - $age major=.$func_arith_result versuffix="$major.$age.$revision" ;; osf) func_arith $current - $age major=.$func_arith_result versuffix=".$current.$age.$revision" verstring="$current.$age.$revision" # Add in all the interfaces that we are compatible with. loop=$age while test "$loop" -ne 0; do func_arith $current - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring="$verstring:${iface}.0" done # Make executables depend on our current version. func_append verstring ":${current}.0" ;; qnx) major=".$current" versuffix=".$current" ;; sunos) major=".$current" versuffix=".$current.$revision" ;; windows) # Use '-' rather than '.', since we only want one # extension on DOS 8.3 filesystems. func_arith $current - $age major=$func_arith_result versuffix="-$major" ;; *) func_fatal_configuration "unknown library version type \`$version_type'" ;; esac # Clear the version info if we defaulted, and they specified a release. if test -z "$vinfo" && test -n "$release"; then major= case $version_type in darwin) # we can't check for "0.0" in archive_cmds due to quoting # problems, so we reset it completely verstring= ;; *) verstring="0.0" ;; esac if test "$need_version" = no; then versuffix= else versuffix=".0.0" fi fi # Remove version info from name if versioning should be avoided if test "$avoid_version" = yes && test "$need_version" = no; then major= versuffix= verstring="" fi # Check to see if the archive will have undefined symbols. if test "$allow_undefined" = yes; then if test "$allow_undefined_flag" = unsupported; then func_warning "undefined symbols not allowed in $host shared libraries" build_libtool_libs=no build_old_libs=yes fi else # Don't allow undefined symbols. allow_undefined_flag="$no_undefined_flag" fi fi func_generate_dlsyms "$libname" "$libname" "yes" func_append libobjs " $symfileobj" test "X$libobjs" = "X " && libobjs= if test "$opt_mode" != relink; then # Remove our outputs, but don't remove object files since they # may have been created when compiling PIC objects. removelist= tempremovelist=`$ECHO "$output_objdir/*"` for p in $tempremovelist; do case $p in *.$objext | *.gcno) ;; $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*) if test "X$precious_files_regex" != "X"; then if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 then continue fi fi func_append removelist " $p" ;; *) ;; esac done test -n "$removelist" && \ func_show_eval "${RM}r \$removelist" fi # Now set the variables for building old libraries. if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then func_append oldlibs " $output_objdir/$libname.$libext" # Transform .lo files to .o files. oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; $lo2o" | $NL2SP` fi # Eliminate all temporary directories. #for path in $notinst_path; do # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` #done if test -n "$xrpath"; then # If the user specified any rpath flags, then add them. temp_xrpath= for libdir in $xrpath; do func_replace_sysroot "$libdir" func_append temp_xrpath " -R$func_replace_sysroot_result" case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then dependency_libs="$temp_xrpath $dependency_libs" fi fi # Make sure dlfiles contains only unique files that won't be dlpreopened old_dlfiles="$dlfiles" dlfiles= for lib in $old_dlfiles; do case " $dlprefiles $dlfiles " in *" $lib "*) ;; *) func_append dlfiles " $lib" ;; esac done # Make sure dlprefiles contains only unique files old_dlprefiles="$dlprefiles" dlprefiles= for lib in $old_dlprefiles; do case "$dlprefiles " in *" $lib "*) ;; *) func_append dlprefiles " $lib" ;; esac done if test "$build_libtool_libs" = yes; then if test -n "$rpath"; then case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*) # these systems don't actually have a c library (as such)! ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C library is in the System framework func_append deplibs " System.ltframework" ;; *-*-netbsd*) # Don't link with libc until the a.out ld.so is fixed. ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) # Do not include libc due to us having libc/libc_r. ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work ;; *) # Add libc to deplibs on all other systems if necessary. if test "$build_libtool_need_lc" = "yes"; then func_append deplibs " -lc" fi ;; esac fi # Transform deplibs into only deplibs that can be linked in shared. name_save=$name libname_save=$libname release_save=$release versuffix_save=$versuffix major_save=$major # I'm not sure if I'm treating the release correctly. I think # release should show up in the -l (ie -lgmp5) so we don't want to # add it in twice. Is that correct? release="" versuffix="" major="" newdeplibs= droppeddeps=no case $deplibs_check_method in pass_all) # Don't check for shared/static. Everything works. # This might be a little naive. We might want to check # whether the library exists or not. But this is on # osf3 & osf4 and I'm not really sure... Just # implementing what was already the behavior. newdeplibs=$deplibs ;; test_compile) # This code stresses the "libraries are programs" paradigm to its # limits. Maybe even breaks it. We compile a program, linking it # against the deplibs as a proxy for the library. Then we can check # whether they linked in statically or dynamically with ldd. $opt_dry_run || $RM conftest.c cat > conftest.c </dev/null` $nocaseglob else potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null` fi for potent_lib in $potential_libs; do # Follow soft links. if ls -lLd "$potent_lib" 2>/dev/null | $GREP " -> " >/dev/null; then continue fi # The statement above tries to avoid entering an # endless loop below, in case of cyclic links. # We might still enter an endless loop, since a link # loop can be closed while we follow links, # but so what? potlib="$potent_lib" while test -h "$potlib" 2>/dev/null; do potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'` case $potliblink in [\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";; *) potlib=`$ECHO "$potlib" | $SED 's,[^/]*$,,'`"$potliblink";; esac done if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | $SED -e 10q | $EGREP "$file_magic_regex" > /dev/null; then func_append newdeplibs " $a_deplib" a_deplib="" break 2 fi done done fi if test -n "$a_deplib" ; then droppeddeps=yes echo $ECHO "*** Warning: linker path does not have real file for library $a_deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib" ; then $ECHO "*** with $libname but no candidates were found. (...for file magic test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a file magic. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. func_append newdeplibs " $a_deplib" ;; esac done # Gone through all deplibs. ;; match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` for a_deplib in $deplibs; do case $a_deplib in -l*) func_stripname -l '' "$a_deplib" name=$func_stripname_result if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then case " $predeps $postdeps " in *" $a_deplib "*) func_append newdeplibs " $a_deplib" a_deplib="" ;; esac fi if test -n "$a_deplib" ; then libname=`eval "\\$ECHO \"$libname_spec\""` for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do potential_libs=`ls $i/$libname[.-]* 2>/dev/null` for potent_lib in $potential_libs; do potlib="$potent_lib" # see symlink-check above in file_magic test if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \ $EGREP "$match_pattern_regex" > /dev/null; then func_append newdeplibs " $a_deplib" a_deplib="" break 2 fi done done fi if test -n "$a_deplib" ; then droppeddeps=yes echo $ECHO "*** Warning: linker path does not have real file for library $a_deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib" ; then $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a regex pattern. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. func_append newdeplibs " $a_deplib" ;; esac done # Gone through all deplibs. ;; none | unknown | *) newdeplibs="" tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then for i in $predeps $postdeps ; do # can't use Xsed below, because $i might contain '/' tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s,$i,,"` done fi case $tmp_deplibs in *[!\ \ ]*) echo if test "X$deplibs_check_method" = "Xnone"; then echo "*** Warning: inter-library dependencies are not supported in this platform." else echo "*** Warning: inter-library dependencies are not known to be supported." fi echo "*** All declared inter-library dependencies are being dropped." droppeddeps=yes ;; esac ;; esac versuffix=$versuffix_save major=$major_save release=$release_save libname=$libname_save name=$name_save case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library with the System framework newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac if test "$droppeddeps" = yes; then if test "$module" = yes; then echo echo "*** Warning: libtool could not satisfy all declared inter-library" $ECHO "*** dependencies of module $libname. Therefore, libtool will create" echo "*** a static module, that should work as long as the dlopening" echo "*** application is linked with the -dlopen flag." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using \`nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** \`nm' from GNU binutils and a full rebuild may help." fi if test "$build_old_libs" = no; then oldlibs="$output_objdir/$libname.$libext" build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi else echo "*** The inter-library dependencies that have been dropped here will be" echo "*** automatically added whenever a program is linked with this library" echo "*** or is declared to -dlopen it." if test "$allow_undefined" = no; then echo echo "*** Since this library must not contain undefined symbols," echo "*** because either the platform does not support them or" echo "*** it was explicitly requested with -no-undefined," echo "*** libtool will only create a static version of it." if test "$build_old_libs" = no; then oldlibs="$output_objdir/$libname.$libext" build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi fi fi # Done checking deplibs! deplibs=$newdeplibs fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" case $host in *-*-darwin*) newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done deplibs="$new_libs" # All the library-specific variables (install_libdir is set above). library_names= old_library= dlname= # Test again, we may have decided not to build it any more if test "$build_libtool_libs" = yes; then # Remove ${wl} instances when linking with ld. # FIXME: should test the right _cmds variable. case $archive_cmds in *\$LD\ *) wl= ;; esac if test "$hardcode_into_libs" = yes; then # Hardcode the library paths hardcode_libdirs= dep_rpath= rpath="$finalize_rpath" test "$opt_mode" != relink && rpath="$compile_rpath$rpath" for libdir in $rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then func_replace_sysroot "$libdir" libdir=$func_replace_sysroot_result if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append dep_rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval "dep_rpath=\"$hardcode_libdir_flag_spec\"" fi if test -n "$runpath_var" && test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" fi test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" fi shlibpath="$finalize_shlibpath" test "$opt_mode" != relink && shlibpath="$compile_shlibpath$shlibpath" if test -n "$shlibpath"; then eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" fi # Get the real and link names of the library. eval shared_ext=\"$shrext_cmds\" eval library_names=\"$library_names_spec\" set dummy $library_names shift realname="$1" shift if test -n "$soname_spec"; then eval soname=\"$soname_spec\" else soname="$realname" fi if test -z "$dlname"; then dlname=$soname fi lib="$output_objdir/$realname" linknames= for link do func_append linknames " $link" done # Use standard objects if they are pic test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` test "X$libobjs" = "X " && libobjs= delfiles= if test -n "$export_symbols" && test -n "$include_expsyms"; then $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" export_symbols="$output_objdir/$libname.uexp" func_append delfiles " $export_symbols" fi orig_export_symbols= case $host_os in cygwin* | mingw* | cegcc*) if test -n "$export_symbols" && test -z "$export_symbols_regex"; then # exporting using user supplied symfile if test "x`$SED 1q $export_symbols`" != xEXPORTS; then # and it's NOT already a .def file. Must figure out # which of the given symbols are data symbols and tag # them as such. So, trigger use of export_symbols_cmds. # export_symbols gets reassigned inside the "prepare # the list of exported symbols" if statement, so the # include_expsyms logic still works. orig_export_symbols="$export_symbols" export_symbols= always_export_symbols=yes fi fi ;; esac # Prepare the list of exported symbols if test -z "$export_symbols"; then if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then func_verbose "generating symbol list for \`$libname.la'" export_symbols="$output_objdir/$libname.exp" $opt_dry_run || $RM $export_symbols cmds=$export_symbols_cmds save_ifs="$IFS"; IFS='~' for cmd1 in $cmds; do IFS="$save_ifs" # Take the normal branch if the nm_file_list_spec branch # doesn't work or if tool conversion is not needed. case $nm_file_list_spec~$to_tool_file_cmd in *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) try_normal_branch=yes eval cmd=\"$cmd1\" func_len " $cmd" len=$func_len_result ;; *) try_normal_branch=no ;; esac if test "$try_normal_branch" = yes \ && { test "$len" -lt "$max_cmd_len" \ || test "$max_cmd_len" -le -1; } then func_show_eval "$cmd" 'exit $?' skipped_export=false elif test -n "$nm_file_list_spec"; then func_basename "$output" output_la=$func_basename_result save_libobjs=$libobjs save_output=$output output=${output_objdir}/${output_la}.nm func_to_tool_file "$output" libobjs=$nm_file_list_spec$func_to_tool_file_result func_append delfiles " $output" func_verbose "creating $NM input file list: $output" for obj in $save_libobjs; do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" done > "$output" eval cmd=\"$cmd1\" func_show_eval "$cmd" 'exit $?' output=$save_output libobjs=$save_libobjs skipped_export=false else # The command line is too long to execute in one step. func_verbose "using reloadable object file for export list..." skipped_export=: # Break out early, otherwise skipped_export may be # set to false by a later but shorter cmd. break fi done IFS="$save_ifs" if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi fi if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols="$export_symbols" test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi tmp_deplibs= for test_deplib in $deplibs; do case " $convenience " in *" $test_deplib "*) ;; *) func_append tmp_deplibs " $test_deplib" ;; esac done deplibs="$tmp_deplibs" if test -n "$convenience"; then if test -n "$whole_archive_flag_spec" && test "$compiler_needs_object" = yes && test -z "$libobjs"; then # extract the archives, so we have objects to list. # TODO: could optimize this to just extract one archive. whole_archive_flag_spec= fi if test -n "$whole_archive_flag_spec"; then save_libobjs=$libobjs eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= else gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_extract_archives $gentop $convenience func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi fi if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then eval flag=\"$thread_safe_flag_spec\" func_append linker_flags " $flag" fi # Make a backup of the uninstalled library when relinking if test "$opt_mode" = relink; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? fi # Do each of the archive commands. if test "$module" = yes && test -n "$module_cmds" ; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then eval test_cmds=\"$module_expsym_cmds\" cmds=$module_expsym_cmds else eval test_cmds=\"$module_cmds\" cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then eval test_cmds=\"$archive_expsym_cmds\" cmds=$archive_expsym_cmds else eval test_cmds=\"$archive_cmds\" cmds=$archive_cmds fi fi if test "X$skipped_export" != "X:" && func_len " $test_cmds" && len=$func_len_result && test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then : else # The command line is too long to link in one step, link piecewise # or, if using GNU ld and skipped_export is not :, use a linker # script. # Save the value of $output and $libobjs because we want to # use them later. If we have whole_archive_flag_spec, we # want to use save_libobjs as it was before # whole_archive_flag_spec was expanded, because we can't # assume the linker understands whole_archive_flag_spec. # This may have to be revisited, in case too many # convenience libraries get linked in and end up exceeding # the spec. if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then save_libobjs=$libobjs fi save_output=$output func_basename "$output" output_la=$func_basename_result # Clear the reloadable object creation command queue and # initialize k to one. test_cmds= concat_cmds= objlist= last_robj= k=1 if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then output=${output_objdir}/${output_la}.lnkscript func_verbose "creating GNU ld script: $output" echo 'INPUT (' > $output for obj in $save_libobjs do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done echo ')' >> $output func_append delfiles " $output" func_to_tool_file "$output" output=$func_to_tool_file_result elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then output=${output_objdir}/${output_la}.lnk func_verbose "creating linker input file list: $output" : > $output set x $save_libobjs shift firstobj= if test "$compiler_needs_object" = yes; then firstobj="$1 " shift fi for obj do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done func_append delfiles " $output" func_to_tool_file "$output" output=$firstobj\"$file_list_spec$func_to_tool_file_result\" else if test -n "$save_libobjs"; then func_verbose "creating reloadable object files..." output=$output_objdir/$output_la-${k}.$objext eval test_cmds=\"$reload_cmds\" func_len " $test_cmds" len0=$func_len_result len=$len0 # Loop over the list of objects to be linked. for obj in $save_libobjs do func_len " $obj" func_arith $len + $func_len_result len=$func_arith_result if test "X$objlist" = X || test "$len" -lt "$max_cmd_len"; then func_append objlist " $obj" else # The command $test_cmds is almost too long, add a # command to the queue. if test "$k" -eq 1 ; then # The first file doesn't have a previous command to add. reload_objs=$objlist eval concat_cmds=\"$reload_cmds\" else # All subsequent reloadable object files will link in # the last one created. reload_objs="$objlist $last_robj" eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" fi last_robj=$output_objdir/$output_la-${k}.$objext func_arith $k + 1 k=$func_arith_result output=$output_objdir/$output_la-${k}.$objext objlist=" $obj" func_len " $last_robj" func_arith $len0 + $func_len_result len=$func_arith_result fi done # Handle the remaining objects by creating one last # reloadable object file. All subsequent reloadable object # files will link in the last one created. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ reload_objs="$objlist $last_robj" eval concat_cmds=\"\${concat_cmds}$reload_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\" fi func_append delfiles " $output" else output= fi if ${skipped_export-false}; then func_verbose "generating symbol list for \`$libname.la'" export_symbols="$output_objdir/$libname.exp" $opt_dry_run || $RM $export_symbols libobjs=$output # Append the command to create the export file. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" fi fi test -n "$save_libobjs" && func_verbose "creating a temporary reloadable object file: $output" # Loop through the commands generated above and execute them. save_ifs="$IFS"; IFS='~' for cmd in $concat_cmds; do IFS="$save_ifs" $opt_silent || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test "$opt_mode" = relink; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS="$save_ifs" if test -n "$export_symbols_regex" && ${skipped_export-false}; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi if ${skipped_export-false}; then if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols="$export_symbols" test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi fi libobjs=$output # Restore the value of output. output=$save_output if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= fi # Expand the library linking commands again to reset the # value of $libobjs for piecewise linking. # Do each of the archive commands. if test "$module" = yes && test -n "$module_cmds" ; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then cmds=$module_expsym_cmds else cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then cmds=$archive_expsym_cmds else cmds=$archive_cmds fi fi fi if test -n "$delfiles"; then # Append the command to remove temporary files to $cmds. eval cmds=\"\$cmds~\$RM $delfiles\" fi # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop="$output_objdir/${outputname}x" func_append generated " $gentop" func_extract_archives $gentop $dlprefiles func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi save_ifs="$IFS"; IFS='~' for cmd in $cmds; do IFS="$save_ifs" eval cmd=\"$cmd\" $opt_silent || { func_quote_for_expand "$cmd" eval "func_echo $func_quote_for_expand_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test "$opt_mode" = relink; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS="$save_ifs" # Restore the uninstalled library and exit if test "$opt_mode" = relink; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? if test -n "$convenience"; then if test -z "$whole_archive_flag_spec"; then func_show_eval '${RM}r "$gentop"' fi fi exit $EXIT_SUCCESS fi # Create links to the real library. for linkname in $linknames; do if test "$realname" != "$linkname"; then func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' fi done # If -module or -export-dynamic was specified, set the dlname. if test "$module" = yes || test "$export_dynamic" = yes; then # On all known operating systems, these are identical. dlname="$soname" fi fi ;; obj) if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then func_warning "\`-dlopen' is ignored for objects" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "\`-l' and \`-L' are ignored for objects" ;; esac test -n "$rpath" && \ func_warning "\`-rpath' is ignored for objects" test -n "$xrpath" && \ func_warning "\`-R' is ignored for objects" test -n "$vinfo" && \ func_warning "\`-version-info' is ignored for objects" test -n "$release" && \ func_warning "\`-release' is ignored for objects" case $output in *.lo) test -n "$objs$old_deplibs" && \ func_fatal_error "cannot build library object \`$output' from non-libtool objects" libobj=$output func_lo2o "$libobj" obj=$func_lo2o_result ;; *) libobj= obj="$output" ;; esac # Delete the old objects. $opt_dry_run || $RM $obj $libobj # Objects from convenience libraries. This assumes # single-version convenience libraries. Whenever we create # different ones for PIC/non-PIC, this we'll have to duplicate # the extraction. reload_conv_objs= gentop= # reload_cmds runs $LD directly, so let us get rid of # -Wl from whole_archive_flag_spec and hope we can get by with # turning comma into space.. wl= if test -n "$convenience"; then if test -n "$whole_archive_flag_spec"; then eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" reload_conv_objs=$reload_objs\ `$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` else gentop="$output_objdir/${obj}x" func_append generated " $gentop" func_extract_archives $gentop $convenience reload_conv_objs="$reload_objs $func_extract_archives_result" fi fi # If we're not building shared, we need to use non_pic_objs test "$build_libtool_libs" != yes && libobjs="$non_pic_objects" # Create the old-style object. reload_objs="$objs$old_deplibs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; /\.lib$/d; $lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test output="$obj" func_execute_cmds "$reload_cmds" 'exit $?' # Exit if we aren't doing a library object file. if test -z "$libobj"; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS fi if test "$build_libtool_libs" != yes; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi # Create an invalid libtool object if no PIC, so that we don't # accidentally link it into a program. # $show "echo timestamp > $libobj" # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? exit $EXIT_SUCCESS fi if test -n "$pic_flag" || test "$pic_mode" != default; then # Only do commands if we really have different PIC objects. reload_objs="$libobjs $reload_conv_objs" output="$libobj" func_execute_cmds "$reload_cmds" 'exit $?' fi if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS ;; prog) case $host in *cygwin*) func_stripname '' '.exe' "$output" output=$func_stripname_result.exe;; esac test -n "$vinfo" && \ func_warning "\`-version-info' is ignored for programs" test -n "$release" && \ func_warning "\`-release' is ignored for programs" test "$preload" = yes \ && test "$dlopen_support" = unknown \ && test "$dlopen_self" = unknown \ && test "$dlopen_self_static" = unknown && \ func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support." case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library is the System framework compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac case $host in *-*-darwin*) # Don't allow lazy linking, it breaks C++ global constructors # But is supposedly fixed on 10.4 or later (yay!). if test "$tagname" = CXX ; then case ${MACOSX_DEPLOYMENT_TARGET-10.0} in 10.[0123]) func_append compile_command " ${wl}-bind_at_load" func_append finalize_command " ${wl}-bind_at_load" ;; esac fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $compile_deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $compile_deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done compile_deplibs="$new_libs" func_append compile_command " $compile_deplibs" func_append finalize_command " $finalize_deplibs" if test -n "$rpath$xrpath"; then # If the user specified any rpath flags, then add them. for libdir in $rpath $xrpath; do # This is the magic to use -rpath. case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done fi # Now hardcode the library paths rpath= hardcode_libdirs= for libdir in $compile_rpath $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'` case :$dllsearchpath: in *":$libdir:"*) ;; ::) dllsearchpath=$libdir;; *) func_append dllsearchpath ":$libdir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval rpath=\" $hardcode_libdir_flag_spec\" fi compile_rpath="$rpath" rpath= hardcode_libdirs= for libdir in $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs="$libdir" else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$finalize_perm_rpath " in *" $libdir "*) ;; *) func_append finalize_perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir="$hardcode_libdirs" eval rpath=\" $hardcode_libdir_flag_spec\" fi finalize_rpath="$rpath" if test -n "$libobjs" && test "$build_old_libs" = yes; then # Transform all the library objects into standard objects. compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` fi func_generate_dlsyms "$outputname" "@PROGRAM@" "no" # template prelinking step if test -n "$prelink_cmds"; then func_execute_cmds "$prelink_cmds" 'exit $?' fi wrappers_required=yes case $host in *cegcc* | *mingw32ce*) # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. wrappers_required=no ;; *cygwin* | *mingw* ) if test "$build_libtool_libs" != yes; then wrappers_required=no fi ;; *) if test "$need_relink" = no || test "$build_libtool_libs" != yes; then wrappers_required=no fi ;; esac if test "$wrappers_required" = no; then # Replace the output file specification. compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` link_command="$compile_command$compile_rpath" # We have no uninstalled library dependencies, so finalize right now. exit_status=0 func_show_eval "$link_command" 'exit_status=$?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Delete the generated files. if test -f "$output_objdir/${outputname}S.${objext}"; then func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"' fi exit $exit_status fi if test -n "$compile_shlibpath$finalize_shlibpath"; then compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" fi if test -n "$finalize_shlibpath"; then finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" fi compile_var= finalize_var= if test -n "$runpath_var"; then if test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done compile_var="$runpath_var=\"$rpath\$$runpath_var\" " fi if test -n "$finalize_perm_rpath"; then # We should set the runpath_var. rpath= for dir in $finalize_perm_rpath; do func_append rpath "$dir:" done finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " fi fi if test "$no_install" = yes; then # We don't need to create a wrapper script. link_command="$compile_var$compile_command$compile_rpath" # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` # Delete the old output file. $opt_dry_run || $RM $output # Link the executable and exit func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi exit $EXIT_SUCCESS fi if test "$hardcode_action" = relink; then # Fast installation is not supported link_command="$compile_var$compile_command$compile_rpath" relink_command="$finalize_var$finalize_command$finalize_rpath" func_warning "this platform does not like uninstalled shared libraries" func_warning "\`$output' will be relinked during installation" else if test "$fast_install" != no; then link_command="$finalize_var$compile_command$finalize_rpath" if test "$fast_install" = yes; then relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` else # fast_install is set to needless relink_command= fi else link_command="$compile_var$compile_command$compile_rpath" relink_command="$finalize_var$finalize_command$finalize_rpath" fi fi # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` # Delete the old output files. $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output_objdir/$outputname" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Now create the wrapper script. func_verbose "creating $output" # Quote the relink command for shipping. if test -n "$relink_command"; then # Preserve any variables that may affect compiler behavior for var in $variables_saved_for_relink; do if eval test -z \"\${$var+set}\"; then relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" elif eval var_value=\$$var; test -z "$var_value"; then relink_command="$var=; export $var; $relink_command" else func_quote_for_eval "$var_value" relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" fi done relink_command="(cd `pwd`; $relink_command)" relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` fi # Only actually do things if not in dry run mode. $opt_dry_run || { # win32 will think the script is a binary if it has # a .exe suffix, so we strip it off here. case $output in *.exe) func_stripname '' '.exe' "$output" output=$func_stripname_result ;; esac # test for cygwin because mv fails w/o .exe extensions case $host in *cygwin*) exeext=.exe func_stripname '' '.exe' "$outputname" outputname=$func_stripname_result ;; *) exeext= ;; esac case $host in *cygwin* | *mingw* ) func_dirname_and_basename "$output" "" "." output_name=$func_basename_result output_path=$func_dirname_result cwrappersource="$output_path/$objdir/lt-$output_name.c" cwrapper="$output_path/$output_name.exe" $RM $cwrappersource $cwrapper trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 func_emit_cwrapperexe_src > $cwrappersource # The wrapper executable is built using the $host compiler, # because it contains $host paths and files. 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then if func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" relink_command= func_source $func_ltwrapper_scriptname_result func_append rmfiles " $func_ltwrapper_scriptname_result" else relink_command= func_source $dir/$noexename fi # note $name still contains .exe if it was in $file originally # as does the version of $file that was added into $rmfiles func_append rmfiles " $odir/$name $odir/${name}S.${objext}" if test "$fast_install" = yes && test -n "$relink_command"; then func_append rmfiles " $odir/lt-$name" fi if test "X$noexename" != "X$name" ; then func_append rmfiles " $odir/lt-${noexename}.c" fi fi fi ;; esac func_show_eval "$RM $rmfiles" 'exit_status=1' done # Try to remove the ${objdir}s in the directories where we deleted files for dir in $rmdirs; do if test -d "$dir"; then func_show_eval "rmdir $dir >/dev/null 2>&1" fi done exit $exit_status } { test "$opt_mode" = uninstall || test "$opt_mode" = clean; } && func_mode_uninstall ${1+"$@"} test -z "$opt_mode" && { help="$generic_help" func_fatal_help "you must specify a MODE" } test -z "$exec_cmd" && \ func_fatal_help "invalid operation mode \`$opt_mode'" if test -n "$exec_cmd"; then eval exec "$exec_cmd" exit $EXIT_FAILURE fi exit $exit_status # The TAGs below are defined such that we never get into a situation # in which we disable both kinds of libraries. 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See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with GNU Libtool; see the file COPYING. If not, a copy # can be downloaded from http://www.gnu.org/licenses/gpl.html, or # obtained by writing to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. ]) # serial 57 LT_INIT # LT_PREREQ(VERSION) # ------------------ # Complain and exit if this libtool version is less that VERSION. m4_defun([LT_PREREQ], [m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, [m4_default([$3], [m4_fatal([Libtool version $1 or higher is required], 63)])], [$2])]) # _LT_CHECK_BUILDDIR # ------------------ # Complain if the absolute build directory name contains unusual characters m4_defun([_LT_CHECK_BUILDDIR], [case `pwd` in *\ * | *\ *) AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; esac ]) # LT_INIT([OPTIONS]) # ------------------ AC_DEFUN([LT_INIT], [AC_PREREQ([2.58])dnl We use AC_INCLUDES_DEFAULT AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl AC_BEFORE([$0], [LT_LANG])dnl AC_BEFORE([$0], [LT_OUTPUT])dnl AC_BEFORE([$0], [LTDL_INIT])dnl m4_require([_LT_CHECK_BUILDDIR])dnl dnl Autoconf doesn't catch unexpanded LT_ macros by default: m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 dnl unless we require an AC_DEFUNed macro: AC_REQUIRE([LTOPTIONS_VERSION])dnl AC_REQUIRE([LTSUGAR_VERSION])dnl AC_REQUIRE([LTVERSION_VERSION])dnl AC_REQUIRE([LTOBSOLETE_VERSION])dnl m4_require([_LT_PROG_LTMAIN])dnl _LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}]) dnl Parse OPTIONS _LT_SET_OPTIONS([$0], [$1]) # This can be used to rebuild libtool when needed LIBTOOL_DEPS="$ltmain" # Always use our own libtool. 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#endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; }] _LT_EOF if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) $1 ;; x$lt_dlneed_uscore) $2 ;; x$lt_dlunknown|x*) $3 ;; esac else : # compilation failed $3 fi fi rm -fr conftest* ])# _LT_TRY_DLOPEN_SELF # LT_SYS_DLOPEN_SELF # ------------------ AC_DEFUN([LT_SYS_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test "x$enable_dlopen" != xyes; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen="load_add_on" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; 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esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[[3-9]]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test "$lt_cv_prog_gnu_ld" = yes; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='${libname}${release}${shared_ext}$major' library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath], [lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; 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newsos6) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' soname_spec='${libname}${release}${shared_ext}$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd*) version_type=sunos sys_lib_dlsearch_path_spec="/usr/lib" need_lib_prefix=no # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. case $host_os in openbsd3.3 | openbsd3.3.*) need_version=yes ;; *) need_version=no ;; esac library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; 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hppa*64*) [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]'] lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl ;; *) lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[[3-9]]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu) lt_cv_deplibs_check_method=pass_all ;; netbsd* | netbsdelf*-gnu) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; esac ]) file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown _LT_DECL([], [deplibs_check_method], [1], [Method to check whether dependent libraries are shared objects]) _LT_DECL([], [file_magic_cmd], [1], [Command to use when deplibs_check_method = "file_magic"]) _LT_DECL([], [file_magic_glob], [1], [How to find potential files when deplibs_check_method = "file_magic"]) _LT_DECL([], [want_nocaseglob], [1], [Find potential files using nocaseglob when deplibs_check_method = "file_magic"]) ])# _LT_CHECK_MAGIC_METHOD # LT_PATH_NM # ---------- # find the pathname to a BSD- or MS-compatible name lister AC_DEFUN([LT_PATH_NM], [AC_REQUIRE([AC_PROG_CC])dnl AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM, [if test -n "$NM"; then # Let the user override the test. lt_cv_path_NM="$NM" else lt_nm_to_check="${ac_tool_prefix}nm" if test -n "$ac_tool_prefix" && test "$build" = "$host"; then lt_nm_to_check="$lt_nm_to_check nm" fi for lt_tmp_nm in $lt_nm_to_check; do lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do IFS="$lt_save_ifs" test -z "$ac_dir" && ac_dir=. tmp_nm="$ac_dir/$lt_tmp_nm" if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then # Check to see if the nm accepts a BSD-compat flag. # Adding the `sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored # Tru64's nm complains that /dev/null is an invalid object file case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in */dev/null* | *'Invalid file or object type'*) lt_cv_path_NM="$tmp_nm -B" break ;; *) case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in */dev/null*) lt_cv_path_NM="$tmp_nm -p" break ;; *) lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags ;; esac ;; esac fi done IFS="$lt_save_ifs" done : ${lt_cv_path_NM=no} fi]) if test "$lt_cv_path_NM" != "no"; then NM="$lt_cv_path_NM" else # Didn't find any BSD compatible name lister, look for dumpbin. if test -n "$DUMPBIN"; then : # Let the user override the test. else AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :) case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in *COFF*) DUMPBIN="$DUMPBIN -symbols" ;; *) DUMPBIN=: ;; esac fi AC_SUBST([DUMPBIN]) if test "$DUMPBIN" != ":"; then NM="$DUMPBIN" fi fi test -z "$NM" && NM=nm AC_SUBST([NM]) _LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface], [lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&AS_MESSAGE_LOG_FD (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&AS_MESSAGE_LOG_FD (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD) cat conftest.out >&AS_MESSAGE_LOG_FD if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" fi rm -f conftest*]) ])# LT_PATH_NM # Old names: AU_ALIAS([AM_PROG_NM], [LT_PATH_NM]) AU_ALIAS([AC_PROG_NM], [LT_PATH_NM]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_PROG_NM], []) dnl AC_DEFUN([AC_PROG_NM], []) # _LT_CHECK_SHAREDLIB_FROM_LINKLIB # -------------------------------- # how to determine the name of the shared library # associated with a specific link library. # -- PORTME fill in with the dynamic library characteristics m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB], [m4_require([_LT_DECL_EGREP]) m4_require([_LT_DECL_OBJDUMP]) m4_require([_LT_DECL_DLLTOOL]) AC_CACHE_CHECK([how to associate runtime and link libraries], lt_cv_sharedlib_from_linklib_cmd, [lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | mingw* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh # decide which to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd="$ECHO" ;; esac ]) sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO _LT_DECL([], [sharedlib_from_linklib_cmd], [1], [Command to associate shared and link libraries]) ])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB # _LT_PATH_MANIFEST_TOOL # ---------------------- # locate the manifest tool m4_defun([_LT_PATH_MANIFEST_TOOL], [AC_CHECK_TOOL(MANIFEST_TOOL, mt, :) test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool], [lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&AS_MESSAGE_LOG_FD if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest*]) if test "x$lt_cv_path_mainfest_tool" != xyes; then MANIFEST_TOOL=: fi _LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl ])# _LT_PATH_MANIFEST_TOOL # LT_LIB_M # -------- # check for math library AC_DEFUN([LT_LIB_M], [AC_REQUIRE([AC_CANONICAL_HOST])dnl LIBM= case $host in *-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*) # These system don't have libm, or don't need it ;; *-ncr-sysv4.3*) AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") ;; *) AC_CHECK_LIB(m, cos, LIBM="-lm") ;; esac AC_SUBST([LIBM]) ])# LT_LIB_M # Old name: AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_CHECK_LIBM], []) # _LT_COMPILER_NO_RTTI([TAGNAME]) # ------------------------------- m4_defun([_LT_COMPILER_NO_RTTI], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= if test "$GCC" = yes; then case $cc_basename in nvcc*) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; *) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; esac _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], lt_cv_prog_compiler_rtti_exceptions, [-fno-rtti -fno-exceptions], [], [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) fi _LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], [Compiler flag to turn off builtin functions]) ])# _LT_COMPILER_NO_RTTI # _LT_CMD_GLOBAL_SYMBOLS # ---------------------- m4_defun([_LT_CMD_GLOBAL_SYMBOLS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_AWK])dnl AC_REQUIRE([LT_PATH_NM])dnl AC_REQUIRE([LT_PATH_LD])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_TAG_COMPILER])dnl # Check for command to grab the raw symbol name followed by C symbol from nm. AC_MSG_CHECKING([command to parse $NM output from $compiler object]) AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [ # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[[BCDEGRST]]' # Regexp to match symbols that can be accessed directly from C. sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[[BCDT]]' ;; cygwin* | mingw* | pw32* | cegcc*) symcode='[[ABCDGISTW]]' ;; hpux*) if test "$host_cpu" = ia64; then symcode='[[ABCDEGRST]]' fi ;; irix* | nonstopux*) symcode='[[BCDEGRST]]' ;; osf*) symcode='[[BCDEGQRST]]' ;; solaris*) symcode='[[BDRT]]' ;; sco3.2v5*) symcode='[[DT]]' ;; sysv4.2uw2*) symcode='[[DT]]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[[ABDT]]' ;; sysv4) symcode='[[DFNSTU]]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[[ABCDGIRSTW]]' ;; esac # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p'" lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \(lib[[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"lib\2\", (void *) \&\2},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function # and D for any global variable. # Also find C++ and __fastcall symbols from MSVC++, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK ['"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ " {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ " s[1]~/^[@?]/{print s[1], s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx]" else lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. nlist=conftest.nm if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) /* DATA imports from DLLs on WIN32 con't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT@&t@_DLSYM_CONST #elif defined(__osf__) /* This system does not cope well with relocations in const data. */ # define LT@&t@_DLSYM_CONST #else # define LT@&t@_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT@&t@_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[[]] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD fi else echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else lt_cv_sys_global_symbol_pipe= fi done ]) if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then nm_file_list_spec='@' fi _LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], [Take the output of nm and produce a listing of raw symbols and C names]) _LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], [Transform the output of nm in a proper C declaration]) _LT_DECL([global_symbol_to_c_name_address], [lt_cv_sys_global_symbol_to_c_name_address], [1], [Transform the output of nm in a C name address pair]) _LT_DECL([global_symbol_to_c_name_address_lib_prefix], [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], [Transform the output of nm in a C name address pair when lib prefix is needed]) _LT_DECL([], [nm_file_list_spec], [1], [Specify filename containing input files for $NM]) ]) # _LT_CMD_GLOBAL_SYMBOLS # _LT_COMPILER_PIC([TAGNAME]) # --------------------------- m4_defun([_LT_COMPILER_PIC], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_wl, $1)= _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)= m4_if([$1], [CXX], [ # C++ specific cases for pic, static, wl, etc. if test "$GXX" = yes; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; *djgpp*) # DJGPP does not support shared libraries at all _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac else case $host_os in aix[[4-9]]*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; chorus*) case $cc_basename in cxch68*) # Green Hills C++ Compiler # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" ;; esac ;; mingw* | cygwin* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; dgux*) case $cc_basename in ec++*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; ghcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; freebsd* | dragonfly*) # FreeBSD uses GNU C++ ;; hpux9* | hpux10* | hpux11*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' if test "$host_cpu" != ia64; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' fi ;; aCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac ;; *) ;; esac ;; interix*) # This is c89, which is MS Visual C++ (no shared libs) # Anyone wants to do a port? ;; irix5* | irix6* | nonstopux*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' # CC pic flag -KPIC is the default. ;; *) ;; esac ;; linux* | k*bsd*-gnu | kopensolaris*-gnu) case $cc_basename in KCC*) # KAI C++ Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; ecpc* ) # old Intel C++ for x86_64 which still supported -KPIC. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; icpc* ) # Intel C++, used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgCC* | pgcpp*) # Portland Group C++ compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; cxx*) # Compaq C++ # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL 8.0, 9.0 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; esac ;; esac ;; lynxos*) ;; m88k*) ;; mvs*) case $cc_basename in cxx*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' ;; *) ;; esac ;; netbsd* | netbsdelf*-gnu) ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) case $cc_basename in KCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' ;; RCC*) # Rational C++ 2.4.1 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; cxx*) # Digital/Compaq C++ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; *) ;; esac ;; psos*) ;; solaris*) case $cc_basename in CC* | sunCC*) # Sun C++ 4.2, 5.x and Centerline C++ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; gcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' ;; *) ;; esac ;; sunos4*) case $cc_basename in CC*) # Sun C++ 4.x _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; lcc*) # Lucid _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; tandem*) case $cc_basename in NCC*) # NonStop-UX NCC 3.20 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; *) ;; esac ;; vxworks*) ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ], [ if test "$GCC" = yes; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; mingw* | cygwin* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; hpux9* | hpux10* | hpux11*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC (with -KPIC) is the default. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu) case $cc_basename in # old Intel for x86_64 which still supported -KPIC. ecc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # Lahey Fortran 8.1. lf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' ;; nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; ccc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All Alpha code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='' ;; *Sun\ F* | *Sun*Fortran*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' ;; *Intel*\ [[CF]]*Compiler*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; *Portland\ Group*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; esac ;; newsos6) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All OSF/1 code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; rdos*) _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; solaris*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' case $cc_basename in f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';; *) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; esac ;; sunos4*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4 | sysv4.2uw2* | sysv4.3*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec ;then _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; unicos*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; uts4*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ]) case $host_os in # For platforms which do not support PIC, -DPIC is meaningless: *djgpp*) _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" ;; esac AC_CACHE_CHECK([for $compiler option to produce PIC], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) _LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) # # Check to make sure the PIC flag actually works. # if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in "" | " "*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; 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To avoid this, we pick a random, # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link # time. 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This is # necessary to make sure instantiated templates are included # in the archive. _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs' ;; *) if test "$GXX" = yes; then if test "$with_gnu_ld" = no; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' else _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` -o $lib' fi fi _LT_TAGVAR(link_all_deplibs, $1)=yes ;; esac _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: _LT_TAGVAR(inherit_rpath, $1)=yes ;; linux* | k*bsd*-gnu | kopensolaris*-gnu) case $cc_basename in KCC*) # Kuck and Associates, Inc. (KAI) C++ Compiler # KCC will only create a shared library if the output file # ends with ".so" (or ".sl" for HP-UX), so rename the library # to its proper name (with version) after linking. _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib' # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' # Archives containing C++ object files must be created using # "CC -Bstatic", where "CC" is the KAI C++ compiler. _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;; icpc* | ecpc* ) # Intel C++ with_gnu_ld=yes # version 8.0 and above of icpc choke on multiply defined symbols # if we add $predep_objects and $postdep_objects, however 7.1 and # earlier do not add the objects themselves. case `$CC -V 2>&1` in *"Version 7."*) _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' ;; *) # Version 8.0 or newer tmp_idyn= case $host_cpu in ia64*) tmp_idyn=' -i_dynamic';; esac _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' ;; esac _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive' ;; pgCC* | pgcpp*) # Portland Group C++ compiler case `$CC -V` in *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*) _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~ compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"' _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~ $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~ $RANLIB $oldlib' _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~ rm -rf $tpldir~ $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' ;; *) # Version 6 and above use weak symbols _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' ;; esac _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' ;; cxx*) # Compaq C++ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols' runpath_var=LD_RUN_PATH _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed' ;; xl* | mpixl* | bgxl*) # IBM XL 8.0 on PPC, with GNU ld _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' if test "x$supports_anon_versioning" = xyes; then _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ echo "local: *; };" >> $output_objdir/$libname.ver~ $CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' fi ;; *) case `$CC -V 2>&1 | sed 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' _LT_TAGVAR(compiler_needs_object, $1)=yes # Not sure whether something based on # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 # would be better. output_verbose_link_cmd='func_echo_all' # Archives containing C++ object files must be created using # "CC -xar", where "CC" is the Sun C++ compiler. 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(KAI) C++ Compiler # KCC will only create a shared library if the output file # ends with ".so" (or ".sl" for HP-UX), so rename the library # to its proper name (with version) after linking. _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: # Archives containing C++ object files must be created using # the KAI C++ compiler. case $host in osf3*) _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;; *) _LT_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs' ;; esac ;; RCC*) # Rational C++ 2.4.1 # FIXME: insert proper C++ library support _LT_TAGVAR(ld_shlibs, $1)=no ;; cxx*) case $host in osf3*) _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && func_echo_all "${wl}-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' ;; *) _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~ echo "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname ${wl}-input ${wl}$lib.exp `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~ $RM $lib.exp' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' ;; esac _LT_TAGVAR(hardcode_libdir_separator, $1)=: # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; 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|| _lt_function_replace_fail=: else # Save a `func_append' function call even when '+=' is not available sed -e 's%func_append \([[a-zA-Z_]]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \ && mv -f "$cfgfile.tmp" "$cfgfile" \ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") test 0 -eq $? || _lt_function_replace_fail=: fi if test x"$_lt_function_replace_fail" = x":"; then AC_MSG_WARN([Unable to substitute extended shell functions in $ofile]) fi ]) # _LT_PATH_CONVERSION_FUNCTIONS # ----------------------------- # Determine which file name conversion functions should be used by # func_to_host_file (and, implicitly, by func_to_host_path). These are needed # for certain cross-compile configurations and native mingw. m4_defun([_LT_PATH_CONVERSION_FUNCTIONS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_CANONICAL_BUILD])dnl AC_MSG_CHECKING([how to convert $build file names to $host format]) AC_CACHE_VAL(lt_cv_to_host_file_cmd, [case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 ;; esac ;; *-*-cygwin* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin ;; *-*-cygwin* ) lt_cv_to_host_file_cmd=func_convert_file_noop ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin ;; esac ;; * ) # unhandled hosts (and "normal" native builds) lt_cv_to_host_file_cmd=func_convert_file_noop ;; esac ]) to_host_file_cmd=$lt_cv_to_host_file_cmd AC_MSG_RESULT([$lt_cv_to_host_file_cmd]) _LT_DECL([to_host_file_cmd], [lt_cv_to_host_file_cmd], [0], [convert $build file names to $host format])dnl AC_MSG_CHECKING([how to convert $build file names to toolchain format]) AC_CACHE_VAL(lt_cv_to_tool_file_cmd, [#assume ordinary cross tools, or native build. lt_cv_to_tool_file_cmd=func_convert_file_noop case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 ;; esac ;; esac ]) to_tool_file_cmd=$lt_cv_to_tool_file_cmd AC_MSG_RESULT([$lt_cv_to_tool_file_cmd]) _LT_DECL([to_tool_file_cmd], [lt_cv_to_tool_file_cmd], [0], [convert $build files to toolchain format])dnl ])# _LT_PATH_CONVERSION_FUNCTIONS vde2-2.3.2+r586/m4/ltoptions.m40000644000000000000000000003007313614540472012572 0ustar # Helper functions for option handling. -*- Autoconf -*- # # Copyright (C) 2004, 2005, 2007, 2008, 2009 Free Software Foundation, # Inc. # Written by Gary V. Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 7 ltoptions.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) # _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) # ------------------------------------------ m4_define([_LT_MANGLE_OPTION], [[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) # _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) # --------------------------------------- # Set option OPTION-NAME for macro MACRO-NAME, and if there is a # matching handler defined, dispatch to it. Other OPTION-NAMEs are # saved as a flag. m4_define([_LT_SET_OPTION], [m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), _LT_MANGLE_DEFUN([$1], [$2]), [m4_warning([Unknown $1 option `$2'])])[]dnl ]) # _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) # ------------------------------------------------------------ # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. m4_define([_LT_IF_OPTION], [m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) # _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) # ------------------------------------------------------- # Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME # are set. m4_define([_LT_UNLESS_OPTIONS], [m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), [m4_define([$0_found])])])[]dnl m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 ])[]dnl ]) # _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) # ---------------------------------------- # OPTION-LIST is a space-separated list of Libtool options associated # with MACRO-NAME. If any OPTION has a matching handler declared with # LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about # the unknown option and exit. m4_defun([_LT_SET_OPTIONS], [# Set options m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [_LT_SET_OPTION([$1], _LT_Option)]) m4_if([$1],[LT_INIT],[ dnl dnl Simply set some default values (i.e off) if boolean options were not dnl specified: _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no ]) _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no ]) dnl dnl If no reference was made to various pairs of opposing options, then dnl we run the default mode handler for the pair. For example, if neither dnl `shared' nor `disable-shared' was passed, we enable building of shared dnl archives by default: _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], [_LT_ENABLE_FAST_INSTALL]) ]) ])# _LT_SET_OPTIONS ## --------------------------------- ## ## Macros to handle LT_INIT options. ## ## --------------------------------- ## # _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) # ----------------------------------------- m4_define([_LT_MANGLE_DEFUN], [[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) # LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) # ----------------------------------------------- m4_define([LT_OPTION_DEFINE], [m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl ])# LT_OPTION_DEFINE # dlopen # ------ LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes ]) AU_DEFUN([AC_LIBTOOL_DLOPEN], [_LT_SET_OPTION([LT_INIT], [dlopen]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `dlopen' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) # win32-dll # --------- # Declare package support for building win32 dll's. LT_OPTION_DEFINE([LT_INIT], [win32-dll], [enable_win32_dll=yes case $host in *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*) AC_CHECK_TOOL(AS, as, false) AC_CHECK_TOOL(DLLTOOL, dlltool, false) AC_CHECK_TOOL(OBJDUMP, objdump, false) ;; esac test -z "$AS" && AS=as _LT_DECL([], [AS], [1], [Assembler program])dnl test -z "$DLLTOOL" && DLLTOOL=dlltool _LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl test -z "$OBJDUMP" && OBJDUMP=objdump _LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl ])# win32-dll AU_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_REQUIRE([AC_CANONICAL_HOST])dnl _LT_SET_OPTION([LT_INIT], [win32-dll]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `win32-dll' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) # _LT_ENABLE_SHARED([DEFAULT]) # ---------------------------- # implement the --enable-shared flag, and supports the `shared' and # `disable-shared' LT_INIT options. # DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. m4_define([_LT_ENABLE_SHARED], [m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([shared], [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@], [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_shared=yes ;; no) enable_shared=no ;; *) enable_shared=no # Look at the argument we got. We use all the common list separators. lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," for pkg in $enableval; do IFS="$lt_save_ifs" if test "X$pkg" = "X$p"; then enable_shared=yes fi done IFS="$lt_save_ifs" ;; esac], [enable_shared=]_LT_ENABLE_SHARED_DEFAULT) _LT_DECL([build_libtool_libs], [enable_shared], [0], [Whether or not to build shared libraries]) ])# _LT_ENABLE_SHARED LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])]) # Old names: AC_DEFUN([AC_ENABLE_SHARED], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared]) ]) AC_DEFUN([AC_DISABLE_SHARED], [_LT_SET_OPTION([LT_INIT], [disable-shared]) ]) AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_SHARED], []) dnl AC_DEFUN([AM_DISABLE_SHARED], []) # _LT_ENABLE_STATIC([DEFAULT]) # ---------------------------- # implement the --enable-static flag, and support the `static' and # `disable-static' LT_INIT options. # DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. m4_define([_LT_ENABLE_STATIC], [m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([static], [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@], [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_static=yes ;; no) enable_static=no ;; *) enable_static=no # Look at the argument we got. We use all the common list separators. lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," for pkg in $enableval; do IFS="$lt_save_ifs" if test "X$pkg" = "X$p"; then enable_static=yes fi done IFS="$lt_save_ifs" ;; esac], [enable_static=]_LT_ENABLE_STATIC_DEFAULT) _LT_DECL([build_old_libs], [enable_static], [0], [Whether or not to build static libraries]) ])# _LT_ENABLE_STATIC LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])]) # Old names: AC_DEFUN([AC_ENABLE_STATIC], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static]) ]) AC_DEFUN([AC_DISABLE_STATIC], [_LT_SET_OPTION([LT_INIT], [disable-static]) ]) AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_STATIC], []) dnl AC_DEFUN([AM_DISABLE_STATIC], []) # _LT_ENABLE_FAST_INSTALL([DEFAULT]) # ---------------------------------- # implement the --enable-fast-install flag, and support the `fast-install' # and `disable-fast-install' LT_INIT options. # DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. m4_define([_LT_ENABLE_FAST_INSTALL], [m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([fast-install], [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@], [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_fast_install=yes ;; no) enable_fast_install=no ;; *) enable_fast_install=no # Look at the argument we got. We use all the common list separators. lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," for pkg in $enableval; do IFS="$lt_save_ifs" if test "X$pkg" = "X$p"; then enable_fast_install=yes fi done IFS="$lt_save_ifs" ;; esac], [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT) _LT_DECL([fast_install], [enable_fast_install], [0], [Whether or not to optimize for fast installation])dnl ])# _LT_ENABLE_FAST_INSTALL LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])]) # Old names: AU_DEFUN([AC_ENABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `fast-install' option into LT_INIT's first parameter.]) ]) AU_DEFUN([AC_DISABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], [disable-fast-install]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the `disable-fast-install' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], []) dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], []) # _LT_WITH_PIC([MODE]) # -------------------- # implement the --with-pic flag, and support the `pic-only' and `no-pic' # LT_INIT options. # MODE is either `yes' or `no'. 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Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 6 ltsugar.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) # lt_join(SEP, ARG1, [ARG2...]) # ----------------------------- # Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their # associated separator. # Needed until we can rely on m4_join from Autoconf 2.62, since all earlier # versions in m4sugar had bugs. m4_define([lt_join], [m4_if([$#], [1], [], [$#], [2], [[$2]], [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) m4_define([_lt_join], [m4_if([$#$2], [2], [], [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) # lt_car(LIST) # lt_cdr(LIST) # ------------ # Manipulate m4 lists. # These macros are necessary as long as will still need to support # Autoconf-2.59 which quotes differently. m4_define([lt_car], [[$1]]) m4_define([lt_cdr], [m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], [$#], 1, [], [m4_dquote(m4_shift($@))])]) m4_define([lt_unquote], $1) # lt_append(MACRO-NAME, STRING, [SEPARATOR]) # ------------------------------------------ # Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. # Note that neither SEPARATOR nor STRING are expanded; they are appended # to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). # No SEPARATOR is output if MACRO-NAME was previously undefined (different # than defined and empty). # # This macro is needed until we can rely on Autoconf 2.62, since earlier # versions of m4sugar mistakenly expanded SEPARATOR but not STRING. m4_define([lt_append], [m4_define([$1], m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) # lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) # ---------------------------------------------------------- # Produce a SEP delimited list of all paired combinations of elements of # PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list # has the form PREFIXmINFIXSUFFIXn. # Needed until we can rely on m4_combine added in Autoconf 2.62. m4_define([lt_combine], [m4_if(m4_eval([$# > 3]), [1], [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl [[m4_foreach([_Lt_prefix], [$2], [m4_foreach([_Lt_suffix], ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) # lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) # ----------------------------------------------------------------------- # Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited # by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. m4_define([lt_if_append_uniq], [m4_ifdef([$1], [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], [lt_append([$1], [$2], [$3])$4], [$5])], [lt_append([$1], [$2], [$3])$4])]) # lt_dict_add(DICT, KEY, VALUE) # ----------------------------- m4_define([lt_dict_add], [m4_define([$1($2)], [$3])]) # lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) # -------------------------------------------- m4_define([lt_dict_add_subkey], [m4_define([$1($2:$3)], [$4])]) # lt_dict_fetch(DICT, KEY, [SUBKEY]) # ---------------------------------- m4_define([lt_dict_fetch], [m4_ifval([$3], m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) # lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) # ----------------------------------------------------------------- m4_define([lt_if_dict_fetch], [m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], [$5], [$6])]) # lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) # -------------------------------------------------------------- m4_define([lt_dict_filter], [m4_if([$5], [], [], [lt_join(m4_quote(m4_default([$4], [[, ]])), lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl ]) vde2-2.3.2+r586/m4/ltversion.m40000644000000000000000000000126213614540472012562 0ustar # ltversion.m4 -- version numbers -*- Autoconf -*- # # Copyright (C) 2004 Free Software Foundation, Inc. # Written by Scott James Remnant, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # @configure_input@ # serial 3337 ltversion.m4 # This file is part of GNU Libtool m4_define([LT_PACKAGE_VERSION], [2.4.2]) m4_define([LT_PACKAGE_REVISION], [1.3337]) AC_DEFUN([LTVERSION_VERSION], [macro_version='2.4.2' macro_revision='1.3337' _LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?]) _LT_DECL(, macro_revision, 0) ]) vde2-2.3.2+r586/m4/lt~obsolete.m40000644000000000000000000001375613614540472013122 0ustar # lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*- # # Copyright (C) 2004, 2005, 2007, 2009 Free Software Foundation, Inc. # Written by Scott James Remnant, 2004. # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 5 lt~obsolete.m4 # These exist entirely to fool aclocal when bootstrapping libtool. # # In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN) # which have later been changed to m4_define as they aren't part of the # exported API, or moved to Autoconf or Automake where they belong. # # The trouble is, aclocal is a bit thick. 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$(DESTDIR)$(mandir)/man1/vdeqemu.1 rm -f $(DESTDIR)$(mandir)/man1/vdekvm.1 rm -f $(DESTDIR)$(mandir)/man1/vdecmd.1 #clean: # rm -f vdetaplib.1 # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: vde2-2.3.2+r586/man/dpipe.10000644000000000000000000000426013614540472011712 0ustar .TH DPIPE 1 "December 6, 2006" "Virtual Distributed Ethernet" .SH NAME dpipe \- bi-directional pipe command .SH SYNOPSIS .B dpipe [ .I command [ .I args ] ] .BI = [ .I command [ .I args ] ] .br .B dpipe [ .I command [ .I args ] ] .BI = [ .I command [ .I args ] ] [ .BI = [ .I command [ .I args ] ] ] \&... .br .SH DESCRIPTION \fBdpipe\fP is a general tool to run two commands diverting the standard output of the first command into the standard input of the second and vice-versa. It is the bi-directional extension of the \fB|\fP (pipe) syntax used by all the shells. The \fB=\fP has been chosen as a metaphor of two parallel communication lines between the commands. It is also possible to concatenate several tools. Intermediate programs communicate using standard input and standard output with the preceding tool and alternate standard input and output (respectively file descriptors number 3 and 4) towards the following tool. If an intermediate tool should process only the data flowing in one direction use \fB{\fP or \fB}\fP as suffix for the preceding \fB=\fP and prefix of the following one. .br This tool has been written as a tool for the Virtual Distributed Ethernet. .SH EXAMPLE .B dpipe a = b .br processes a and b are bidirectionally connected: stdin of a is connected to stdout of b and vice-versa .br .B dpipe a = b = c .br a and b are connected as above. Alternate stdin of b is connected to stdout of c and alternate stdout of b to stdin of c .br .B dpipe a =} b }= c .br This is a cycle of pipes: stdout of a is connected to stdin of b, stdout of b with stdin of c, and stdout of c to stdin of a .br .B dpipe a =} b }={ c {= d = e .br all the notations can be mixed together. this is a -> b -> d -> c and back to a; alternate ports of d are connected to e .SH OPTIONS no options. .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_switch\fP(1), \fBvde_plug\fP(1), \fBvde_plug2tap\fP(1), \fBvdeq\fP(1). \fBwirefilter\fP(1). .br .SH AUTHOR VDE is a project by Renzo Davoli . vde2-2.3.2+r586/man/slirpvde.10000644000000000000000000001216113614540472012440 0ustar .TH SLIRPVDE 1 "June 15, 2008" "Virtual Distributed Ethernet" .SH NAME slirpvde \- Virtual Distributed Ethernet-Slirp interface .SH SYNOPSIS .B slirpvde .I OPTIONS [ .I socketdir ] .SH DESCRIPTION \fBslirpvde\fP is a slirp interface for a VDE network. Slirpvde connects all the units (virtual or real machines) to the network of the host where slirpvde runs as it were a NAT/Masquerading router. The default route is the node 2 (10.0.2.2 in the default network configuration) and DNS is re-mapped in node 3 (10.0.2.3). Slirpvde runs using standard user privileges (no need for root access): all the connections are re-generated by slirpvde itself. IPv4 only. IPv6 is still unsupported (will be supported when slirpvde will be rewritten using the LWIPv6 network stack). .SH OPTIONS .TP \fB-s, --sock, --socket, --vdesock, --unix\fP \fIdirectory\fP specify the VDE switch directory (default /var/run/vde.ctl). The VDE switch directory can be also specified at the end of the command, as illustrated by the optional parameter \fIsocketdir\fP in the synopsis section, above. When '-' is used in place of the VDE switch directory, \fBslirpvde\fP works as a plug (see vde_plug(1)). The command: .br .in +5 .B dpipe vde_plug = ssh remote.machine.org slirpvde - .in -5 .br which is the same as: .br .in +5 .B dpipe vde_plug = ssh remote.machine.org slirpvde -s - .in -5 .br connects the default local switch to a remote slirpvde. .TP \fB-p, --pidfile\fP \fIfilename\fP specify the name of the file which contains the PID of slirpvde. .TP \fB-g, --group\fP \fIgroup\fP specify the UNIX group for the VDE communication socket. .TP \fB-m, --mod\fP \fImode\fP specify the octal UNIX permissions for the VDE communication socket. .TP \fB-P, --port\fP \fIport\fP specify the port of the vde switch whern slirpvde must be connected. .TP \fB-d, --daemon\fP detach from terminal and run \fBslirpvde\fP in background. .TP \fB-H, --host\fP \fIaddress\fP \fR[ \fB / \fI masklen \fR] specify the host address (default 10.0.2.2/24). This option automatically defines the network. e.g. .in +5 \fB -H 192.168.55.1 \fR .in -5 or: .in +5 \fB --host 10.1.2.3/16 \fR .in -5 The default value for \fImasklen\fR is 24. If the host part of the address is zero this option defines only the network. The default host addr is addr 2, the default dns proxy is 3. e.g. .in +5 \fB -H 10.1.0.0/16 \fR .in -5 defines the network only. The host address is 10.1.0.2 and the DNS proxy 10.1.0.3. .TP \fB-n, --network\fP \fIaddress\fP \fR[ \fB / \fI masklen \fR] specify the network address (default 10.0.2.0/24). Deprecated, it has been included for back compatibility only. It is an alias of \fB-H, --host\fR. .TP \fB-N, --dns\fP \fIaddress\fP Specify the address of the dns server. If this is an address inside the slirp network, slirvde acts as a dns proxy on that address. The slirpvde dhcp server sends this dns address to the clients. By default this is the host number 3 in the slirpvde network. Using the default network it is 10.0.2.3. Warning: do not use the same address for host and dns. .TP \fB-D, --dhcp\fP turn on the DHCP server for the network autoconfiguration of all the units connected to the VDE. It is possible to specify the start address assigned by the DHCP server as follows: .in +5 \fB --dhcp=10.1.1.44 \fR .in -5 DHCP assign addresses starting at host number 15 by default. Using the default network it starts from 10.0.2.15 .TP \fB-L \fIport\fR:\fIvde_host\fR:\fIvde_hostport\fR specifyes a TCP port redirection. All the TCP packets received by the host running slirpvde at port \fIport\fR will be forwarded to \fIvde_host\fR at port \fIvde_hostport\fR. .TP \fB-U \fIport\fR:\fIvde_host\fR:\fIvde_hostport\fR specifyes a UDP port redirection. All the UDP packets received by the host running slirpvde at port \fIport\fR will be forwarded to \fIvde_host\fR at port \fIvde_hostport\fR. .TP \fB-X \fIvde_host\fR[:\fIdisplay\fR.[\fIscreen\fR]]i redirect a X window screen of a virtual machine. Slirpvde gets the first unused X display on the host running slirpvde and redirects all the requests to \fIvde_host\fR. \fIdisplay\fR and \fIscreen\fR] must be specified when different from :0.0. .TP \fB-x \fIport\fR:\fIunix_socket_path\fR] redirect a port of the virtual router (usually 10.0.2.2) to a unix stream socket. It is used for example to redirect a X display of the hosting computer on the virtual network. e.g. -x6000:/tmp/.X11-unix/X0. (A suitable xhost configuration is needed (e.g. 'xhost local:'). .TP \fB-t, --tftp\fP \fIpathname\fR slirpvde enables a tftp server sharing (read-only) the directory at \fIpathname\fR. .TP \fB-q, --quiet\fP Quiet; do not write anything to standard output. .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_switch\fP(1), \fBvde_plug\fP(1), \fBvde_plug2tap\fP(1), \fBdpipe\fP(1). .br .SH AUTHOR VDE is a project by Renzo Davoli . This tool includes software developed by Danny Gasparovski: Slirp code is by Danny Gasparovsky. Bootp/DHCP code is by Fabrice Bellard. vde2-2.3.2+r586/man/unixcmd.10000644000000000000000000000124413614540472012257 0ustar .\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.36. .TH UNIXCMD "1" "January 2008" "Virtual Distributed Ethernet" "User Commands" .SH NAME unixcmd \- Simple remote command for unix sockets .SH SYNOPSIS .B unixcmd \fIOPTIONS command\fR .br .B vdecmd \fIOPTIONS command\fR .SH DESCRIPTION .TP \fB\-s\fR sockname management socket path (default is /var/run/unixcmd) .TP \fB\-f\fR rcfile configuration path (default is /etc/unixcmd) .TP \fB\-v\fR run parse machine in debug mode .TP \fB\-s\fR sockname management socket path (default is /var/run/unixcmd) .TP \fB\-f\fR rcfile configuration path (default is /etc/unixcmd) .TP \fB\-v\fR run parse machine in debug mode vde2-2.3.2+r586/man/unixterm.10000644000000000000000000000135613614540472012467 0ustar .TH UNIXTERM 1 "December 6, 2006" "Virtual Distributed Ethernet" .SH NAME unixterm \- (simple) Remote terminal for unix sockets .SH SYNOPSIS .B unixterm .I socket .br .SH DESCRIPTION A \fBunixterm\fP is a terminal application for a unix stream socket. It has been created as a part of the vde-2 project: it is used as a remote console for vde_switch or for the wirefilter application. .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_switch\fP(1), \fBwirefilter\fP(1). .br .SH AUTHOR VDE is a project by Renzo Davoli vde2-2.3.2+r586/man/vde_autolink.10000644000000000000000000000356313614540472013302 0ustar .\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.36. .TH VDE_AUTOLINK "1" "November 2007" "vde_autolink 2.2.0-pre1" "User Commands" .SH NAME vde_autolink \- automatically create and maintain vde connections .SH DESCRIPTION .TP \fB\-h\fR, \fB\-\-help\fR Display this help .TP \fB\-f\fR, \fB\-\-rcfile\fR Configuration file (overrides /etc/vde_autolink.rc and ~/.vde_autolinkrc) .TP \fB\-d\fR, \fB\-\-daemon\fR Daemonize vde_autolink once run .TP \fB\-p\fR, \fB\-\-pidfile\fR PIDFILE Write pid of daemon to PIDFILE .TP \fB\-M\fR, \fB\-\-mgmt\fR SOCK Path of the management UNIX socket .TP \fB\-\-mgmtmode\fR MODE Management UNIX socket access mode (octal) .TP \fB\-s\fR, \fB\-\-sock\fR [*] Attach to this vde_switch socket .TP \fB\-S\fR, \fB\-\-switchmgmt\fR [*] Attach to this vde_switch management socket .IP [*] == Required option! \fB\-h\fR, \fB\-\-help\fR Display this help \fB\-f\fR, \fB\-\-rcfile\fR Configuration file (overrides /etc/vde_autolink.rc and ~/.vde_autolinkrc) \fB\-d\fR, \fB\-\-daemon\fR Daemonize vde_autolink once run \fB\-p\fR, \fB\-\-pidfile\fR PIDFILE Write pid of daemon to PIDFILE \fB\-M\fR, \fB\-\-mgmt\fR SOCK Path of the management UNIX socket .TP \fB\-\-mgmtmode\fR MODE Management UNIX socket access mode (octal) .TP \fB\-s\fR, \fB\-\-sock\fR [*] Attach to this vde_switch socket .TP \fB\-S\fR, \fB\-\-switchmgmt\fR [*] Attach to this vde_switch management socket .IP [*] == Required option! .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_switch\fP(1), \fBvde_plug\fP(1), .br .SH AUTHORS VDE is a project by Renzo Davoli . vde_autolink is a VDE component by Luca Bigliardi vde2-2.3.2+r586/man/vde_cryptcab.10000644000000000000000000001013413614540472013253 0ustar .TH VDE_CRYPTCAB 1 "December 6, 2006" "Virtual Distributed Ethernet" .SH NAME vde_cryptcab \- Virtual Distributed Ethernet encrypted cable manager .SH SYNOPSIS .B vde_cryptcab [ .B \-p .I portnum ] [ .B \-s .I socketpath ] [ .B \-c .I [remote_user@]host[:remote_portnum] ] [ .B \-P .I pre_shared.key ]| [ .B \-x ] [ .B \-v .I [v][v][v] ] [ .B \-k ] [ .B \-d ] .br .SH DESCRIPTION A \fBvde_cryptcab\fP is a distributed cable manager for VDE switches. It allows two VDE switches on two machines to communicate using a blowfish encrypted channel. When used in client mode (i.e., with -c option), it generates a random blowfish key, and uses .B scp (1) to transfer the key to the remote server. On the client side, the environment variable SCP_EXTRA_OPTIONS may be set in order to append options to the scp command line (this is useful for example when dropbear or another non-standard ssh client is used to transfer the blowfish key). After a 4-way handshake phase to verify client credentials, server and client will exchange VDE datagrams encapsulating them into cryptograms that are sent via udp to each remote host. On server side, one could run: .RS .br .B vde_cryptcab -s /tmp/vde2.ctl -p 2100 .RE To start a multi-peer cryptcab server, accepting udp datagrams on port 2100, that connects each authenticated remote client to a different port of the switch. In fact, a new instance of .B vde_plug (1) is started and connected to the switch through local unix socket. The command .RS .br .B vde_cryptcab -s /tmp/vde2.ctl -c foo@remote.machine.org:2100 .RE will connect a client to the remote server, running on udp port 2100. At this point, on server side a verify for user "foo" credentials is required, typically it could be: host-based authentication, password challenge or public key authentication. See .B ssh (1) for more details about it. If the two vde_switches run as daemon and they are connected to tap interfaces a level 2 encrypted tunnel is established. .SH OPTIONS .TP .B \-p "\fIportnum\fP" It is possible to decide which local udp port to use. When this option is not specified, cryptcab will use default udp port number, 7667. .TP .B \-c "\fI[remote_user@]host[:remote_portnum]\fP" run vde_cryptcab in client mode, trying to connect to .B host . Both .B remote_user and .B remote_portnum parameters are not required. If not specified, the same user running vde_cryptcab is used for authentication on server, and default udp port 7667 is used. .TP .B \-s "\fIsocketpath\fP" specify the UNIX socket to be used by local programs for joining the VDE. The default value is "/tmp/vde.ctl". .TP .B \-P "\fIpre_shared.keypath\fP" if specified, vde_cryptcab will run in pre-shared key mode, instead of generating a random key to transmit with ssh. Given option is the path to the pre-shared symmetric key file to use for data encryption. The same key has to be used on both client and server. .TP .B \-x Disable symmetric key encryption. .TP .B \-k Send periodic "keepalive" packets to avoid server timeouts. Useful when you want to keep a low-traffic link available. .TP .B \-d Run as daemon. .TP .B \-v Verbose. (Use -vv -vvv or -vvvv for more verbosity) .SH KNOWN ISSUES Encapsulating IP packets into session+udp layer results in real datagrams larger than tap device mtu. Since vde_cryptcab gets confused by packet fragmentation, the tap device mtu must be set to a smaller value than real interface mtu. Use .BR ip (8) or .BR ifconfig (8) to set up your tap device mtu. Explicitly disabling encryption leads to obvious security problems. It is advised to avoid unencrypted mode (-x) in non-controlled networks. .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_switch\fP(1), \fBvdeq\fP(1), \fBvde_plug\fP(1), \fBvde_plug2tap\fP(1), \fBscp\fP(1), \fBssh\fP(1). .br .SH AUTHORS VDE is a project by Renzo Davoli . vde_cryptcab is a VDE component by Daniele Lacamera vde2-2.3.2+r586/man/vde_l3.10000644000000000000000000000467213614540472011774 0ustar .TH VDE_L3 1 "May 7, 2007" "Virtual Distributed Ethernet" .SH NAME vde_l3 \- Virtual Distributed Ethernet 'Layer 3' Switch. .SH SYNOPSIS .B vde_l3 \fB\-v\fI vde_plug:ipaddress/netmask\fR [\fB\-v\fI...] [\fB\-r\fI target_network/netmask:gateway\fR] [\fB\-G\fI default_gw\fR] [\fB\-M\fI mgmt_socket\fR] .br .SH DESCRIPTION A \fBvde_l3\fP connects to one or more vde_switches, performing ip forwarding among its virtual interfaces. A new interface is created at startup for each \fB-v\fP option given at command line. Static routes to target networks can be defined using the \fB-r\fP option. .B vde_l3 -v /var/run/s1.ctl:192.168.0.1/24 connects to the vde sock at /var/run/s1.ctl with its virtual interface ve0, having the address 192.168.0.1 and netmask 255.255.255.0. .B vde_l3 \\ .B -v /var/run/s1.ctl:192.168.0.1/24 \\ .B -v /var/run/s2.ctl:10.0.0.254/255.255.0.0 connects to the two vde socks, with its virtual interfaces ve0 and ve1, having addressess 192.168.1.0 and 10.0.0.254 respectively. Hosts in each network can specify the \fBvde_l3\fP as their gateway to reach the other one. .SH OPTIONS .TP .B -v\fI vde_plug:ipaddress/netmask\fR Creates a virtual network interfaces on the \fBvde_l3\fP box, with address \fIipaddress\fP and netmask \fInetmask\fP. Please note that the netmask can be specified either in the 'classic' A.B.C.D mode, or just by giving the number of leading bits (f.e., /17 for 255.255.128.0). One can define as many interfaces as she wants. .TP .B -r \fItarget_network/netmask:gateway\fR Specify a static route through \fIgateway\fP to reach hosts in \fItarget_network\fP with netmask \fInetmask\fP. One can define as many routes as she wants. .TP .B -G \fIdefault_gw Specify a default gateway, to be used whenever no static route is defined for a target host. .TP .B -M \fImgmt_socket the unix socket where the parameters (interfaces addresses, routes, etc.) can be checked and changed runtime. \fBunixterm\fP(1) can be used as a remote terminal for wirefilter. .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_switch\fP(1), \fBvdeq\fP(1), \fBunixterm\fP(1), \fBvde_cryptcab\fP(1), \fBwirefilter\fP(1). .br .SH AUTHORS VDE_L3 is a tool by Daniele Lacamera VDE is a project by Renzo Davoli vde2-2.3.2+r586/man/vde_over_ns.10000644000000000000000000000425513614540472013126 0ustar .TH VDE_OVER_NS 1 "May 2, 2007" "Virtual Distributed Ethernet" .SH NAME vde_over_ns \- Steganographic cable over NS protocol for Virtual Distributed Ethernet .SH SYNOPSIS .B vde_over_ns [\fB\-D\fR] [\fB\-c\fI server_address\fR] [\fB\-s\fI vde_plug\fR] [\fB\-i\fI ip.to.bi.nd\fR] \fIdomain.name .br .SH DESCRIPTION A \fBvde_over_ns\fP allows to connect two remote vde_switches through steganographic NS query/response datagrams. e.g.: .B dpipe vde_plug /tmp/s1 = vde_over_ns tun.mydomain.vde binds to udp port 53 and listen for incoming steganographic NS queries (server mode). All the traffic to/from stdout/stdin is redirected to the client via ns responses. creates a wire between two vde_switches (with sockets /tmp/s1 and /tmp/s2 respectively). This cable looses 10% of the packets in each direction. The same vde_over_dns server can be created using: .B vde_over_ns -s /tmp/s1 tun.mydomain.vde The syntax is almost identical for the client mode, except that to have a vde_over_ns client connect to that server, the \fB -c \fIserver\fR option must be specified. .SH OPTIONS .TP .B \-s "\fIvdeplug\fP" If specified, the vde_over_ns will connect to the local vde socket \fIvdeplug\fP instead pf stdin/stdout, using the libvdeplug library. .TP .B \-D Detach console and send the process to background. .TP .B \-b "\fIip.to.bind\fP" The NS server will bind only to the specified ip, instead of any ip. Only valid in server mode (without -c) .TP .B \-c "\fIserver_addr\fP" If specified, client mode is enabled. Vde_over_ns will try to send NS requests to \fIserver_addr\fP. If not specified, server mode is enabled by default. .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_switch\fP(1), \fBvdeq\fP(1). \fBdpipe\fP(1). \fBunixterm\fP(1). .br .SH AUTHORS VDE_OVER_NS is a tool by Daniele Lacamera VDE is a project by Renzo Davoli based on nstx, a steganographic ns client/server software by: Florian Heinz Julien Oster vde2-2.3.2+r586/man/vde_pcapplug.10000644000000000000000000000411613614540472013262 0ustar .TH VDE_PCAPPLUG 1 "August 20, 2008" "Virtual Distributed Ethernet" .SH NAME vde_pcapplug \- Virtual Distributed Ethernet libpcap cable .SH SYNOPSIS .B vde_pcapplug [OPTION]... \fIinterface\fP .br .SH DESCRIPTION .B vde_pcapplug is a plug to be connected into a VDE switch. All the data that is catched by the plug is injected into .I interface and everything from that interface is sent in the switch. .SH OPTIONS .TP \fB\-p\fP, \fB\-\-port\fP=\fIportnum\fP It is possible to decide which port of the switch to use. When this option is not specified the switch assigns the first available unused port (if any). It is possible to connect several cables in the same switch port: in this way all this cables work concurrently. It means that packet can result as duplicate but no ARP table loops are generated. Is useful when vde is used for mobility. Several physical interfaces can be used at a time during handoffs to prevent hichups in connectivity. .TP \fB\-g\fP, \fB\-\-group\fP=\fIgroup\fP group ownership of the communication socket. For security when more want to share a switch it is better to use a unix group to own the comm sockets so that the network traffic cannot be sniffed. .TP \fB\-m\fP, \fB\-\-mod\fP=\fIoctal-mode\fP octal chmod like permissions for the comm sockets .TP \fB\-s\fP, \fB\-\-sock\fP=\fIsocket\fP specify the UNIX socket to be used by local programs for joining the VDE. The default value is "/tmp/vde.ctl". .TP \fB\-d\fP, \fB\-\-daemon\fP start vde_plug2tap as a background process .TP \fB\-P\fP, \fB\-\-pidfile\fP=\fIpidfile\fP put the process ID of vde_plug2tap in \fIpidfile\fP. Can be used with \fB\-\-daemon\fP to store the PID for future killing. .TP \fB\-h\fP, \fB\-\-help\fP show a brief help .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_switch\fP(1), \fBvde_plug\fP(1), \fBvdeq\fP(1), \fBdpipe\fP(1). .br .SH AUTHOR VDE is a project by Renzo Davoli vde2-2.3.2+r586/man/vde_plug.10000644000000000000000000000646313614540472012425 0ustar .TH VDE_PLUG 1 "December 6, 2006" "Virtual Distributed Ethernet" .SH NAME vde_plug \- Virtual Distributed Ethernet plug (two plugs creates a vde cable) .SH SYNOPSIS .B vde_plug [ .B \-p .I portnum ] [ .B \-g .I group ] [ .B \-m .I octal-mode ] [ .I socketdir ] .br .SH DESCRIPTION A \fBvde_plug\fP is a plug to be connected into a VDE switch. All the data that is catched by the plug is written in its stdout and everything from stdin is injected in the switch. This tool has been designed to be used together with .B dpipe (1) to interconnect a second vde_plug to another switch, working as a virtual ethernet crossed cable between the two switches. The command .RS .br .B dpipe vde_plug = vde_plug /tmp/vde2.ctl .RE connects two local switches: the former is using the standard control socket /tmp/vde.ctl while the latter is using /tmp/vde2.ctl. The command .RS .br .B dpipe vde_plug = ssh remote.machine.org vde_plug .RE connects two remote switches. If the two vde_switches run as daemon and they are connected to tap interfaces a level 2 encrypted tunnel is established. vde_plug can also be established as a login shell for users. The following command works as in the previous example .RS .br .B dpipe vde_plug = ssh vdeuser@remote.machine.org vde_plug .RE where vdeuser is the user with vde_plug as standard shell. All the remote accesses are logged by syslog at the beginning and at the end of each session. Attempt to login without the command vde_plug at the end or trying to execute something else are blocked and the attempt is logged into syslog. .SH OPTIONS .TP .B \-p "\fIportnum\fP" It is possible to decide which port of the switch to use. When this option is not specified the switch assigns the first available unused port (if any). It is possible to connect several cables in the same switch port: in this way all this cables work concurrently. It means that packet can result as duplicate but no ARP table loops are generated. Is useful when vde is used for mobility. Several physical interfaces can be used at a time during handoffs to prevent hichups in connectivity. .TP .B \-g "\fIgroup\fP" group ownership of the communication socket. For security when more want to share a switch it is better to use a unix group to own the comm sockets so that the network traffic cannot be sniffed. .TP .B \-m "\fIoctal-mode\fP" octal chmod like permissions for the comm sockets .TP .B "\fIsocketdir\fP" (This option can be also set as: .B -sock "\fIsocketdir\fP" ) specify the directory which contains the UNIX socket to be used by local programs for joining the VDE. The default value is "/tmp/vde.ctl", which corresponds to the socket "/tmp/vde.ctl/ctl" (or /var/run/vde.ctl when the vde_switch runs as a shared daemon). It is possible for users to redefine their default switch as ".vde-2/stdsock" in their home directory. If exist, this directory (or symbolic link to the actual directory) is used as the default value for the user. .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_switch\fP(1), \fBvde_plug2tap\fP(1), \fBvdeq\fP(1), \fBdpipe\fP(1). .br .SH AUTHOR VDE is a project by Renzo Davoli vde2-2.3.2+r586/man/vde_plug2tap.10000644000000000000000000000475213614540472013213 0ustar .TH VDE_PLUG2TAP 1 "December 5, 2006" "Virtual Distributed Ethernet" .SH NAME vde_plug2tap \- Virtual Distributed Ethernet plug-to-tap .SH SYNOPSIS .B vde_plug2tap [OPTION]... \fItap_name\fP .br .SH DESCRIPTION .B vde_plug2tap is a plug to be connected into a VDE switch. All the data that is catched by the plug is sent to the tap interface .I tap_name and everything from that interface is injected in the switch. .br Example: .in +2 .B vde_plug2tap tap4 .in -2 .br connects the default switch (/var/run/vde.ctl) to the tap4 interface. .SH OPTIONS .TP \fB\-p\fP, \fB\-\-port\fP=\fIportnum\fP It is possible to decide which port of the switch to use. When this option is not specified the switch assigns the first available unused port (if any). It is possible to connect several cables in the same switch port: in this way all this cables work concurrently. It means that packet can result as duplicate but no ARP table loops are generated. Is useful when vde is used for mobility. Several physical interfaces can be used at a time during handoffs to prevent hichups in connectivity. .TP \fB\-g\fP, \fB\-\-group\fP=\fIgroup\fP group ownership of the communication socket. For security when more want to share a switch it is better to use a unix group to own the comm sockets so that the network traffic cannot be sniffed. .TP \fB\-m\fP, \fB\-\-mod\fP=\fIoctal-mode\fP octal chmod like permissions for the comm sockets .TP \fB\-s\fP, \fB\-\-sock\fP=\fIsocket\fP specify the UNIX socket to be used by local programs for joining the VDE. The default value is "/var/run/vde.ctl". When '-' is used in place of the VDE switch directory, \fBvde_plug2tap\fP works as a plug (see vde_plug(1)). The command: .br .in +2 .B dpipe vde_plug = ssh remote.machine.org vde_plug2tap -s - tapx .in -2 .br connects the default local switch to a remote tapx interface. .TP \fB\-d\fP, \fB\-\-daemon\fP start vde_plug2tap as a background process .TP \fB\-P\fP, \fB\-\-pidfile\fP=\fIpidfile\fP put the process ID of vde_plug2tap in \fIpidfile\fP. Can be used with \fB\-\-daemon\fP to store the PID for future killing. .TP \fB\-h\fP, \fB\-\-help\fP show a brief help .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_switch\fP(1), \fBvde_plug\fP(1), \fBvdeq\fP(1), \fBdpipe\fP(1). .br .SH AUTHOR VDE is a project by Renzo Davoli vde2-2.3.2+r586/man/vde_router.10000644000000000000000000000263413614540472012772 0ustar .TH VDE_ROUTER 1 "December 16, 2011" "Virtual Distributed Ethernet" .SH NAME vde_router \- Virtual Distributed Ethernet Router. .SH SYNOPSIS .B vde_router \fB\-c\fI configfile\fR [\fB\-d\fI] [\fB\-M\fI mgmt_socket\fR] [\fB\-m\fI mgmt_mode\fR] [\fB\-p\fI pidfile\fR] .br .SH DESCRIPTION A \fBvde_router\fP .SH OPTIONS .TP .B -d Daemonize the process and put in background. .TP .B -r \fIconfigfile\fR Parse configuration parameters from \fBconfigfile\fP at startup .TP .B -M \fImgmt_socket the unix socket where the parameters (interfaces addresses, routes, etc.) can be checked and changed runtime. \fBunixterm\fP(1) can be used as a remote terminal for wirefilter. .TP .B -m \fImgmt_mode Specify the permission for the access to \fBmgmt_socket\fP .TP .B -p \fIpidfile Save the process id to \fBpidfile\fP .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_switch\fP(1), \fBvdeq\fP(1), \fBunixterm\fP(1), \fBvde_cryptcab\fP(1), \fBwirefilter\fP(1). .br .SH AUTHORS VDE_ROUTER is a tool by Daniele Lacamera VDE is a project by Renzo Davoli Red-Black Tree used to implement ARP tables is a free port to userspace from the Linux kernel, by Andrea Arcangeli and David Woodhouse. vde2-2.3.2+r586/man/vde_switch.10000644000000000000000000000613013614540472012746 0ustar .TH VDE_SWITCH 1 "December 6, 2006" "Virtual Distributed Ethernet" .SH NAME vde_switch \- Virtual Distributed Ethernet switch .SH SYNOPSIS .B vde_switch [ .B \-hub ] [ .BI \-sock .I commdirpath ] [ .BI \-mod .I octal-mode ] [ .BI \-group .I NAME ] [ .BI \-tap .I interface ] [ .BI \-daemon ] .br .SH DESCRIPTION A \fBvde_switch\fP is a virtual switch for the vde architecture. .br A vde network can include several vde_switches running on different (real) computers. vde_switches can be connected by vde cables (see \fBvde_plug (1)\fP ). .br Supported architecture for VDE end nodes include: real linux boxes (through the tuntap interface), bochs, qemu and MPS virtual machines. .br VDE is useful to create networks of heterogeneous virtual machines as well as as a general tunneling tool -- all the ethernet based protocols work by this kind of tunnel -- and also as a tool for mobility. In fact VDE creates an overlay network where users can keep their IP addresses despite of the change of IP addresses on the interfaces. vde_switch needs root privileges to open a tap interface, can be run by users when no -tap option is specified. vde-2 has several features: VLAN, Fast Spanning Tree Protocol, command line management (on console for foreground switches, on a terminal for daemonized switches). If a vde_switch run in foreground mode simply type return to have the prompt. For daemons there is the -M option to specify the management socket. Unixterm is the tool to start a terminal for the management. Type "help" at the prompt for a list of possible options. .SH OPTIONS .TP .B \-hub turn off the switch engine. It operates as a hub. .TP .B \-sock "\fIcommdirpath\fP" specify the directory when comm socket are created. The default value is "/tmp/vde.ctl" .TP .B \-mod "\fIoctalmode\fP" specify the octal permissions for the comm sockets. .TP .B \-group "\fINAME\fP" specify the group owner for the comm socket. The default value is the current user's primary group .TP .B \-tap "\fIinterface\fP" connect the specified tuntap interface to this vde_switch (needs root privileges) It is possible to specify several tap interfaces, comma separated. .TP .B \-daemon Run as a daemon. Use syslog for logging. .TP .B \-f rcfile rc file to set the initial switch configuration. This rc file has the same syntax of the command line interface. .TP .B \-h help. Please use it for a more complete list of options. vde_switch is a modular program, options vary depending of the compiled-in modules. .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_plug\fP(1), \fBvde_plug2tap\fP(1), \fBvdeq\fP(1), \fBdpipe\fP(1), \fBunixterm\fP(1). .br .SH AUTHOR VDE is a project by Renzo Davoli .br VDE started as an enhancement of uml_switch by Jeff Dike and others. VDE-2 has been almost completely rewritten but maybe some statements come from the historical source. So, some copyright and thanks also for Dike&Co. vde2-2.3.2+r586/man/vde_tunctl.80000644000000000000000000000340713614540472012771 0ustar .TH "VDE_TUNCTL" "8" .SH "NAME" vde_tunctl \(em create and manage persistent TUN/TAP interfaces .SH "SYNOPSIS" .PP \fBvde_tunctl\fR [\fB-f\fP \fIclone-dev\fR] [\fB-u\fP \fIowner\fR] [\fB-g\fP \fIgroup\fR] [\fB-n\fR] [\fB-t\fP \fIdev-name\fR] .PP \fBvde_tunctl\fR [\fB-f\fP \fIclone-dev\fR] \fB-d\fP \fIdev-name\fR .SH "DESCRIPTION" .PP \fBvde_tunctl\fR allows the host sysadmin to preconfigure a TUN/TAP device for use by a particular user. That user may open and use the device, but may not change any aspects of the host side of the interface. .PP vde_tunctl is an extension of \fBtunctl\fR. .PP vde_tunctl defines tap interfaces unless \fIdev-name\fR begins by "tun" or the option \fR-n\fR appears in the command line. .SH "USAGE" .PP To create an interface for use by a particular user, invoke tunctl without the \-d option: .PP .nf # \fBvde_tunctl \-u someuser\fP Set 'tap0' persistent and owned by uid 500 .fi .PP Then, configure the interface as normal: .PP .nf # \fBifconfig tap0 192.168.0.254 up\fP # \fBroute add \-host 192.168.0.253 dev tap0\fP # \fBbash \-c 'echo 1 > /proc/sys/net/ipv4/conf/tap0/proxy_arp'\fP # \fBarp \-Ds 192.168.0.253 eth0 pub\fP .fi .PP To delete the interface, use the \-d option: .PP .nf # \fBvde_tunctl \-d tap0\fP Set 'tap0' nonpersistent .fi To create or destroy a tun interface (instead of tap): .nf # \fBvde_tunctl -n \-u someuser\fP Set 'tun0' persistent and owned by uid 500 # \fBvde_tunctl \-d tun0\fP Set 'tun0' nonpersistent .fi .SH "SEE ALSO" .PP \fBvde_switch\fP(1) \fBvde_plug2tap\fP(1) .SH "AUTHOR" .PP tunctl was written by Jeff Dike jdike@karaya.com .PP This manual page is based on tunctl manual page written by Matt Zimmerman mdz@debian.org for the \fBDebian GNU/Linux\fP system. vde2-2.3.2+r586/man/vde_vxlan.10000644000000000000000000000244613614540472012603 0ustar .TH VDE_VXLAN 1 "October 26, 2013" "Virtual Distributed Ethernet" .SH NAME vde_vxlan \- VXLAN tunnel endpoint for VDE .SH SYNOPSIS .B vde_vxlan .BI --vxlan-id .I vxlan_id .BI --vxlan-addr .I multicast_address [ .BI --vxlan-port .I udp_port ] [ .BI --vxlan-mttl .I multicast_ttl ] [ .BI --sock .I vde_socket_dir ] [ .BI --port .I vde_port ] [ .BI --daemon ] [ .BI --verbose ] .br .SH DESCRIPTION A \fBvde_vxlan\fP is a Virtual eXtensible LAN (VXLAN) tunnel endpoint for the vde architecture, that can connect a \fBvde_switch (1)\fP to a VXLAN segment. .SH OPTIONS .TP .B --vxlan-id ID of the VXLAN (VNI) .TP .B --vxlan-addr Multicast address of the VXLAN .TP .B --vxlan-port Port of the VXLAN (default 4879) .TP .B --vxlan-mttl Multicast TTL (default 1) .TP .B --sock Socket directory of the VDE switch .TP .B --port Port of the VDE switch .TP .B --daemon Run in background .TP .B --verbose Show debug output .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_switch\fP(1), .br .SH AUTHORS vde_vxlan is a tool by Alessandro Ghedini VDE is a project by Renzo Davoli vde2-2.3.2+r586/man/vdeq.10000644000000000000000000001176213614540472011555 0ustar .TH VDEQ 1 "December 6, 2006" "Virtual Distributed Ethernet" .SH NAME vdeq \- Virtual Distributed Ethernet wrapper for QEMU/KVM virtual machines .SH SYNOPSIS .B vdeq .B qemu [ .B \-\-mod .I octalmode ] .I QEMU_OPTIONS .B -net vde[,vlan=n][,sock=socketpath][,port=n] .I QEMU_OPTIONS .br .B vdeq .B kvm [ .B \-\-mod .I octalmode ] .I KVM_OPTIONS .B -net vde[,vlan=n][,sock=socketpath][,port=n] .I KVM_OPTIONS .br .B vde\fP{\fIqemu_name\fP} [ .B \-\-mod .I octalmode ] .I QEMU_OPTIONS .B -net vde[,vlan=n][,sock=socketpath][,port=n] .I QEMU_OPTIONS .br .SH OLD SYNOPSIS .B vdeq .B qemu [ .B \-\-mod .I octalmode ] [ .B \-sock .I socketpath [ .I ,socketpath [ .I ,... ] ] ] [ qemu_args ] .br .B vde\fP{\fIqemu_name\fP} [ .B \-sock .I socketpath [ .I ,socketpath [ .I ,... ] ] ] [ qemu_args ] .br .SH DESCRIPTION \fBvdeq\fP is a wrapper to start a QEMU/KVM virtual machine connected to a VDE network. It uses the qemu/kvm \fB \-tun-fd \fP parameter to set up the connection with a vde_switch. The command .RS .br .B vdeq qemu -b c -hda=sampledisk .RE starts a qemu machine which boots from the sampledisk image and has a ne2000 ethernet interface connected to the standard vde_switch. The command .RS .br .B vdeq kvm -b c -hda=sampledisk .RE starts a kvm machine which boots from the sampledisk image and has a ne2000 ethernet interface connected to the standard vde_switch. .br It is also possible to create symbolic links to the vdeq executable to have a simpler command. If the link has a name that begins with vde the remaining part of the name is taken as the qemu command. For example if vdeq is linked to vdeqemu: .RS .br .B vdeqemu -b c -hda=sampledisk .RE starts qemu as above. If vdeq is linked to vdekvm: .RS .br .B vdekvm -b c -hda=sampledisk .RE starts kvm with the same parameters. The new syntax is consistent with the new Qemu 0.8.0 network parameters. Using vdeq is possible to specify a vde interface in the same way as user,tap or socket interfaces. The \fBsock=\fP parameter can be used to use a specific socket. Please note that what qemu names as vlan is not related to the 802.1q VLAN managed by the vde_switch. \fBport=\fP can be used to specify the port of the switch, otherwise the first allocatable port is assigned. The following command run a qemu VM with two ethernet interface connected to the standard switch and to the switch with local socket "/tmp/my.ctl", port 10, respectively .RS .br .B vde qemu -net nic,vlan=0 -net nic,vlan=1 -net vde,vlan=0 -net vde,vlan=1,sock=/tmp/my.ctl,port=10 .RE .RS .br .B vdeqemu -net nic,vlan=0 -net nic,vlan=1 -net vde,vlan=0 -net vde,vlan=1,sock=/tmp/my.ctl,port=10 .RE The following command run a kvm VM with two ethernet interface connected to the standard switch and to the switch with local socket "/tmp/my.ctl", port 10, respectively .RS .br .B vde kvm -net nic,vlan=0 -net nic,vlan=1 -net vde,vlan=0 -net vde,vlan=1,sock=/tmp/my.ctl,port=10 .RE .RS .br .B vdekvm -net nic,vlan=0 -net nic,vlan=1 -net vde,vlan=0 -net vde,vlan=1,sock=/tmp/my.ctl,port=10 .RE The old syntax can be used with Qemu 0.8.0 but all the vde interfaces are assigned to vlan 0. .RS .br .B vdeq qemu -sock /tmp/vde.ctl,/tmp/my.ctl -b c -hda=sampledisk .RE .RS .br .B vdeqemu -sock /tmp/vde.ctl,/tmp/my.ctl -b c -hda=sampledisk .RE both start qemu with \fBone\fP ethernet interface connected both to the standard switch and to the switch with local socket "/tmp/my.ctl". .SH OPTIONS .TP .B --mod .I octalmode, specify the mode for comm socket. .br .TP .B \-sock .I socketpath, specify the UNIX socket to be used by local programs for joining the VDE. The default value is "/tmp/vde.ctl" It is also possible to indicate several socketpath (comma separated, no blanks): in this case several interfaces are defined. The first socketpath is connected to the first ne2k interface and so on. .br .TP .B -h, -help, --help print a Usage help. .SH NOTE Qemu has changed its syntax for networking (cvs Nov.15 2005). As a temporary solution use vdeoq and vdeoqemu instead of vdeq and vdeqemu if you are running a qemu with the old syntax. .br By default qemu uses the same MAC address for every virtual machine, so if you plan to use several instances of qemu be sure to explicitly set a different MAC address for each virtual machine. While generating your address beware to not use broadcast/multicast reserved MACs, ethernet rules say: the multicast bit is the low-order bit of the first byte, which is "the first bit on the wire". For example \fI34:12:de:ad:be:ef\fP is an unicast address, \fI35:12:de:ad:be:ef\fP is a multicast address (see ETHERNET MULTICAST ADDRESSES section in http://www.iana.org/assignments/ethernet-numbers for more informations). .br .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_switch\fP(1), \fBvde_plug\fP(1), \fBvde_plug2tap\fP(1), \fBdpipe\fP(1). .br .SH AUTHOR VDE is a project by Renzo Davoli vde2-2.3.2+r586/man/vdetaplib.1.in0000644000000000000000000000450213614540472013167 0ustar .TH VDETAPLIB 1 "December 6, 2006" "Virtual Distributed Ethernet" .SH NAME vdetaplib \- Virtual Distributed Ethernet tap emulation library .SH SYNOPSIS No synopsis .br .SH DESCRIPTION \fBvdetaplib\fP is a library that emulates tap (tuntap level2 interface, see in kernel sources Documentation/networking/tun.c) and connects tap virtual interfaces to vde networks. To use it, the libvdetab.so library must be preloaded (sh, ksh or bash syntax): .RS .br .B export LD_PRELOAD=%PKGLIBDIR%/libvdetap.so .RE (csh, tchs syntax): .RS .br .B setenv LD_PRELOAD %PKGLIBDIR%/libvdetap.so .RE If you want to divert all tap requests to a single vde_switch set the variable VDEALLTAP to the vde socket. .br (sh, ksh or bash syntax): .RS .br .B export VDEALLTAP=/tmp/vde.ctl .RE (csh, tchs syntax): .RS .br .B setenv VDEALLTAP /tmp/vde.ctl .RE It is possible to set each single interface to different vde_switches by setting the environment variable with the same name of the interface. .br (sh, ksh or bash syntax): .RS .br .B export tap0=/tmp/vde.ctl .br .B export tap1=/tmp/myvde.ctl .br .B export ppc=/tmp/ppc.ctl .RE (csh, tchs syntax): .RS .br .B setenv tap0 /tmp/vde.ctl .br .B setenv tap1 /tmp/myvde.ctl .br .B setenv ppc /tmp/ppc.ctl .RE .br It is also possible to specify \fBport\fP, \fBgroup\fP or \fBmode\fP for a given interface setting environment variables as in the following example. .br (sh, ksh or bash syntax): .RS .br .B export tap0_port=5 .br .B export tap0_group=vde-net .br .B export tap0_mode=0660 .RE (csh, tchs, syntax): .RS .br .B setenv tap0_port 5 .br .B setenv tap0_group vde-net .br .B setenv tap0_mode 0660 .RE .br The variable to set the specific interface is checked first then VDEALLTAP. VDEALLTAP thus works as a default choice for the vde switch to be used. If VDEALLTAP is not set and there is no specific environment variable (and for tun -- IFF_TUN interfaces) the kernel provided interface is used. In this latter case access to /dev/net/tun is required, generally root access. .br .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_switch\fP(1), \fBvdeq\fP(1). .br .SH AUTHOR VDE is a project by Renzo Davoli vde2-2.3.2+r586/man/vdeterm.10000644000000000000000000000163013614540472012255 0ustar .TH VDETERM 1 "July 29, 2008" "Virtual Distributed Ethernet" .SH NAME vdeterm \- (simple) Remote terminal for vde management sockets .SH SYNOPSIS .B vdeterm .I socket .br .SH DESCRIPTION A \fBvdeterm\fP is a terminal application for a vde tools stream socket. It has been created as a part of the vde-2 project: it is used as a remote console for vde_switch or for the wirefilter application. vdeterm provides command editing, history of previous commands, command completion. Debug asynchronous messages do not interfere with the command editing line. .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_switch\fP(1), \fBwirefilter\fP(1). .br .SH AUTHOR VDE is a project by Renzo Davoli vde2-2.3.2+r586/man/wirefilter.10000644000000000000000000001750413614540472012772 0ustar .TH WIREFILTER 1 "December 6, 2006" "Virtual Distributed Ethernet" .SH NAME wirefilter \- Wire packet filter for Virtual Distributed Ethernet .SH SYNOPSIS .B wirefilter [\fB\-f\fI rcfile\fR] [\fB\-l\fI loss\fR] [\fB\-l\fI lostburst\fR] [\fB\-d\fI delay\fR] [\fB\-D\fI dup\fR] [\fB\-b\fI bandwidth\fR] [\fB\-s\fI interface_speed\fR] [\fB\-c\fI channel_bufsize\fR] [\fB\-n\fI noise_factor\fR] [\fB\-m\fI mtu_size\fR] [\fB\-M\fI mgmt socket\fR] [\fB\-v\fI vde_plug1:vde_plug2\fR] [\fB\--daemon\fI] [\fB\--pidfile\fI pidfile_path] [\fB\--blink\fI blink] [\fB\--blinkid\fI blink_identifier] [\fB-N\fR] .br .SH DESCRIPTION A \fBwirefilter\fP is able to emulate delays and packet loss on virtual wires. e.g.: .B dpipe vde_plug /tmp/s1 = wirefilter -l 10 = vde_plug /tmp/s2 creates a wire between two vde_switches (with sockets /tmp/s1 and /tmp/s2 respectively). This cable looses 10% of the packets in each direction. The same cable can be created using: .B wirefilter -v /tmp/s1:/tmp/s2 -l 10 .SH OPTIONS .TP .B \-f "\fIrcfile\fP" use a startup configuration file. It is useful for complex defitions such as those for the Markov mode (see below). The startup configuration file has the same syntax of the management interface, in other word it is a script of management commands executed before the first packet is forwarded. .TP .B \-l "\fIloss\fP" percentage of loss as a floating point number. It is possible to specify different loss percentage for the two channels: LR20.5 means 20.5% of packet flowing left to right are lost, RL10 means 10% from right to left. .TP .B \-L "\fIlostburst\fP" when this is not zero, wirefilter uses the Gilbert model for bursty errors. This is the mean length of lost packet bursts. (it is a two state Markov chain: the probability to exit from the faulty state is \fI1/lostburst\fP, the probability to enter the faulty state is \fIloss/(lostburst-(1-loss))\fP. The loss rate converges to the value \fIloss\fR. .TP .B \-d "\fIdelay\fP" Extra delay (in milliseconds). This delay is added to the real communication delay. Packets are temporarily stored and resent after the delay. It is possible to specify different values for LR and RL like in the previous option. When the delay is specified as two numbers with a + in between, the first is the standard delay and the second is a random variation. 1000+500 means that the delay can be randomly chosen between half second and 1.5 seconds. It is possible to add 'U' or 'N' at the end. 1000+500U means that the dealys are uniformly distributed, 1000+500N means that the delays follow a Gaussian normal distribution (more than 98% of the values are inside the limits). .TP .B \-D "\fIdup\fP" percentage of dup packet. It has the same syntax of -l. Do not use dup factor 100% because it means that each packet is sent infinite times. .TP .B \-b "\fIbandwidth\fP" Channel bandwidth in Bytes/sec. It has the same syntax of -d. It is also possible to use suffixes K,M,G to abbreviate 2^10, 2^20, 2^30. 128K means 128KBytes/sec. 128+64K means 64i to 196KBytes/sec. Sender is not prevented from sending packets, delivery is delayed to limit the bandwidth to the desired value. (Like a bottleneck along the path) U and N after the values (e.g. 128+64KN) set the statistic distribution to use (uniform or normal). .TP .B \-s "\fIspeed\fP" Interface speed in Bytes/sec. It has the same syntax of -b. Input is blocked for the tramission time of the packet, thus the sender is prevented from sending too fast. .TP .B \-c "\fIchannel_bufsize\fP" Channel buffer size (in Bytes): maximum size of the packet queue. Exceeding packets are discarded. .TP .B \-n "\fInoise factor\fP" Number of bits damaged/one megabyte. .TP .B \-m "\fImtu size\fP" Packets longer than mtu_size are discarded. .TP .B \-N nofifo. with -N packets can be reordered. .TP .B \-M "\fImgmt socket\fP" the unix socket where the parameters (loss percentage, delay etc) can be checked and changed runtime. unixterm(1) can be used as a remote terminal for wirefilter. .TP .B \-v "\fIvde_plug1:vde_plug2\fP" If this option is used, the two local vde_plugs (vde_plug1 and vde_plug2) will be connected each other instead of stdin/stdout, using the libvdeplug libraries. This option activates an interactive management session on console (stdin/stdout). .TP .B \--mgmtmode "\fImode\fP" this option sets the access mode of the mgmt socket. The command syntax is quite simple. \fBhelp\fR provides the list of commands. It is possible to load a script file using the \fBload\fR management command. .TP .B \--daemon\fP wirefilter becomes a daemon .TP .B \--pidfile "\fIpathnamefP" wirefilter saves its pid into the file. .TP .B \--blinkid "\fIname\fP" This option defines the id sent for each packet to the blink server (see the --blink option below). The stardard identifier for a wirefilter is the process pid. .TP .B \--blink "\fIsocket\fP" wirefilter sends a log message to the specified PF_UNIX/DATAGRAM socket for each packet sent. Each packet has the format: id direction length. e.g: .sp .in +4n .nf 6768 LR 44 6768 LR 44 6768 RL 100 6768 LR 100 6768 LR 44 .fi .in .sp .SH Markov mode wirefilter provides also a more complex set of parameters using a Markov chain to emulate different states of the link and the tranistions between states. Each state is represented by a node. Markov chain parameters can be set with management commands or rc files only. In fact, due to the large number of parameters the command line would have been unreadable. .TP .B markov-numnodes "\fIn\fP" defines the number of different states. All the parameters of the connection can be defined node by node. Nodes are numbered starting from zero (to n-1). e.g.: .sp .in +4in .nf delay 100+10N[4] loss 10[2] .fi .in .sp these command define a delay of 90-110 ms (normal distribution) for the node number 4 and a 10\% loss for the node 2. It is possible to resize the Markov chain at run-time. New nodes are unreachable and do not have any edge to other states (i.e. each new node has a loopback edge to the node itself with 100% probability). When reducing the number of nodes, the weight of the edges towards deleted nodes is added to the loopback edge. When the current node of the emulation is deleted, node 0 becomes the current node. (The emulation always starts from node 0). .TP .B markov-time "\fIms\fP" time period (ms) for the markov chain computation. Each \fIms\fR microseconds a random number generator decides which is the next state (default value=100ms). .TP .B markov-name "\fIn,name\fP" assign a name to a node of the markov chain. .TP .B markov-setnode "\fIn\fP" manually set the current node to the node \fIn\fP. .TP .B setedge "\fIn1,n2,w\fP" define an edge between \fIn1\fR and \fIn2\fR; \fIw\fR is the weight (probability percentage) of the edge. The loopback edge (from a node to itself) is always computed as 100% minus the sum of the weights of outgoing edges. .TP .B showedges [ "\fIn\fP" ] list the edges from node \fIn\fP (or from the current node when the command has no parameters). Null weight edges are omitted. .TP .B showcurrent show the current Markov state. .TP .B showinfo [ \fIn\fP ] show status and information on state (node) \fIn\fP. If the parameter is omitted it shows the status and information on the current state. .TP .B markov-debug [ \fIn\fP ] set the debug level for the current management connection. In the actual implementation when n is greater than zero each change of markov node causes the output of a debug trace. Debug tracing get disabled when \fIn\fP is zero or the parameter is missing. .SH NOTICE Virtual Distributed Ethernet is not related in any way with www.vde.com ("Verband der Elektrotechnik, Elektronik und Informationstechnik" i.e. the German "Association for Electrical, Electronic & Information Technologies"). .SH SEE ALSO \fBvde_switch\fP(1), \fBvdeq\fP(1). \fBdpipe\fP(1). \fBunixterm\fP(1). .br .SH AUTHOR VDE is a project by Renzo Davoli vde2-2.3.2+r586/missing0000755000000000000000000001533013614540472011353 0ustar #! /bin/sh # Common wrapper for a few potentially missing GNU programs. scriptversion=2013-10-28.13; # UTC # Copyright (C) 1996-2013 Free Software Foundation, Inc. # Originally written by Fran,cois Pinard , 1996. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * The GNU C Library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * You should have received a copy of the GNU Lesser General Public * License along with the GNU C Library; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA. */ #include #include #include #include #include #include #include #include #include #include /* * Return the canonical absolute name of file NAME. A canonical name does not * contain any `.', `..' components nor any repeated path separators ('/') or * symlinks. All path components must exist. ; otherwise, if the canonical * name is PATH_MAX chars or more, returns null with `errno' set to * ENAMETOOLONG; if the name fits in fewer than PATH_MAX chars, returns the * name in RESOLVED. If the name cannot be resolved and RESOLVED is non-NULL, * it contains the path of the first component that cannot be resolved. If * the path can be resolved, RESOLVED holds the same value as the value * returned. */ char *vde_realpath(const char *name, char *resolved) { char *dest, *buf=NULL, *extra_buf=NULL; const char *start, *end, *resolved_limit; char *resolved_root = resolved + 1; char *ret_path = NULL; int num_links = 0; struct stat *pst = NULL; if (!name || !resolved) { errno = EINVAL; goto abort; } if (name[0] == '\0') { /* As per Single Unix Specification V2 we must return an error if the name argument points to an empty string. */ errno = ENOENT; goto abort; } if ((buf=(char *)calloc(PATH_MAX, sizeof(char)))==NULL) { errno = ENOMEM; goto abort; } if ((extra_buf=(char *)calloc(PATH_MAX, sizeof(char)))==NULL) { errno = ENOMEM; goto abort; } if ((pst=(struct stat *)calloc(1, sizeof(struct stat)))==NULL) { errno = ENOMEM; goto abort; } resolved_limit = resolved + PATH_MAX; /* relative path, the first char is not '/' */ if (name[0] != '/') { if (!getcwd(resolved, PATH_MAX)) { resolved[0] = '\0'; goto abort; } dest = strchr (resolved, '\0'); } else { /* absolute path */ dest = resolved_root; resolved[0] = '/'; /* special case "/" */ if (name[1] == 0) { *dest = '\0'; ret_path = resolved; goto cleanup; } } /* now resolved is the current wd or "/", navigate through the path */ for (start = end = name; *start; start = end) { int n; /* Skip sequence of multiple path-separators. */ while (*start == '/') ++start; /* Find end of path component. */ for (end = start; *end && *end != '/'; ++end); if (end - start == 0) break; else if (end - start == 1 && start[0] == '.') /* nothing */; else if (end - start == 2 && start[0] == '.' && start[1] == '.') { /* Back up to previous component, ignore if at root already. */ if (dest > resolved_root) while ((--dest)[-1] != '/'); } else { if (dest[-1] != '/') *dest++ = '/'; if (dest + (end - start) >= resolved_limit) { errno = ENAMETOOLONG; if (dest > resolved_root) dest--; *dest = '\0'; goto abort; } /* copy the component, don't use mempcpy for better portability */ dest = (char*)memcpy(dest, start, end - start) + (end - start); *dest = '\0'; /*check the dir along the path */ if (lstat(resolved, pst) < 0) goto abort; else { /* this is a symbolic link, thus restart the navigation from * the symlink location */ if (S_ISLNK (pst->st_mode)) { size_t len; if (++num_links > MAXSYMLINKS) { errno = ELOOP; goto abort; } /* symlink! */ n = readlink (resolved, buf, PATH_MAX); if (n < 0) goto abort; buf[n] = '\0'; len = strlen (end); if ((long) (n + len) >= PATH_MAX) { errno = ENAMETOOLONG; goto abort; } /* Careful here, end may be a pointer into extra_buf... */ memmove (&extra_buf[n], end, len + 1); name = end = memcpy (extra_buf, buf, n); if (buf[0] == '/') dest = resolved_root; /* It's an absolute symlink */ else /* Back up to previous component, ignore if at root already: */ if (dest > resolved + 1) while ((--dest)[-1] != '/'); } else if (*end == '/' && !S_ISDIR(pst->st_mode)) { errno = ENOTDIR; goto abort; } else if (*end == '/') { if (access(resolved, X_OK) != 0) { errno = EACCES; goto abort; } } } } } if (dest > resolved + 1 && dest[-1] == '/') --dest; *dest = '\0'; ret_path = resolved; goto cleanup; abort: ret_path = NULL; cleanup: if (buf) free(buf); if (extra_buf) free(extra_buf); if (pst) free(pst); return ret_path; } vde2-2.3.2+r586/src/common/cmdparse.c0000644000000000000000000002260013614540472013773 0ustar /* * Copyright (C) 2007 - Renzo Davoli, Luca Bigliardi * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #define _GNU_SOURCE #include #include #include #include #include #define BUFSIZE 256 #define TIMEOUT 10000 enum command {ERR, IN, THROW, SEND, SHIFT, IF, GOTO, COPY, EXIT, EXITRV, SKIP, IFARG, RVATOI, OUTSHIFT, OUTTAG}; char *commandname[]= { "", "IN", "THROW", "SEND", "SHIFT", "IF", "GOTO", "COPY", "EXIT", "EXITRV", "SKIP", "IFARG", "RVATOI", "OUTSHIFT", "OUTTAG" }; #define NUMCOMMANDS (sizeof(commandname)/sizeof(char *)) static const char *nullstring=""; struct utmstate { int num; enum command command; char *string; #define value nextnum; int nextnum; struct utmstate *next; }; static struct utmstate *utmsadd(struct utmstate *head, struct utmstate *this) { if (!head || head->num > this->num) { this->next=head; return this; } else { head->next=utmsadd(head->next,this); return head; } } static enum command searchcommand(char *name) { int i; for (i=0; ibuf) { inbuf->buf=(char *)malloc(sizeof(char)*BUFSIZE); if(!inbuf->buf) { perror("readchar"); exit(-1); } inbuf->len=inbuf->pos=0; } if (inbuf->len <= inbuf->pos) { struct pollfd pfd={fd, POLLIN, 0}; if (poll(&pfd,1,timeout) <= 0) { return -1; } inbuf->len=read(fd,inbuf->buf,BUFSIZE); if (inbuf->len==0) return -1; else inbuf->pos=0; } *out = (inbuf->buf[(inbuf->pos)++]); return 0; } struct utmstate *sgoto(struct utmstate *head,int nextnum) { if (head) { if (nextnum == head->num) return head; else return sgoto(head->next,nextnum); } else { //fprintf(stderr,"Error Label not found: %d\n",nextnum); return NULL; } } void utm_freestate(struct utmstate *head) { if (head == NULL) return; struct utmstate* rest = head->next; if (head->string != NULL && head->string != nullstring) free(head->string); free(head); utm_freestate(rest); } struct utm *utm_alloc(char *conf) { FILE *f; struct utm *utm=NULL; int line=0; char buf[BUFSIZE]; if ((f=fopen(conf,"r")) == NULL) { //fprintf(stderr,"Configuration file error %s\n",conf); errno=ENOENT; return NULL; } utm=(struct utm*)malloc(sizeof(struct utm)); if(!utm) {perror("utm_alloc"); exit(-1); } utm->timeout=TIMEOUT ; utm->head = NULL; while (fgets(buf,BUFSIZE,f) != NULL) { char *s=buf; int num; line++; s=blankskip(s); num=atoi(s); if (num>0) { /* create new automata state */ enum command cmd; char *currfield; char c; s=fieldskip(s); s=blankskip(s); currfield=s; s=fieldskip(s); c=*s;*s=0; if ((cmd=searchcommand(currfield)) != ERR) { struct utmstate *new=malloc(sizeof(struct utmstate)); if(!new) {perror("utm_alloc"); exit(-1); } new->num = num; new->command = cmd; *s=c; s=blankskip(s); currfield=s; if (*currfield=='\'') { /* first argument is a string */ char *t; char skip=0; /*not escaped*/ t=currfield=++s; /* skip ' */ while (*s && (skip || *s != '\'')) { if (*s == '\\' && *(s+1) != 0) { s++; /* skip \ */ switch (*s) { case 'n': *s='\n'; break; case 't': *s='\t'; break; case 'f': *s='\f'; break; } } *t++ = *s++; } c=*s;*t=0; new->string=strdup(currfield); if (c) s++; s=blankskip(s); currfield=s; } else { new->string = (char*) nullstring; } new->nextnum=atoi(currfield); utm->head=utmsadd(utm->head,new); } } else { /* add constant definition */ if (strncmp("TIMEOUT",s,7)==0) utm->timeout=atoi(s+8); } } fclose(f); return(utm); } void utm_free(struct utm *utm) { if(utm){ if(utm->head) utm_freestate(utm->head); free(utm); } } int utm_run(struct utm *utm, struct utm_buf *buf, int fd, int argc, char **argv, struct utm_out *out, int debug) { struct utmstate *status = utm->head; int len=0, curr=0, linebufsize=0, rv=-1; char *linebuf=NULL; if(debug) {int i; printf("c: %d\n", argc); for(i=0; i <=argc ; i++) printf("a[%d]: %s\n", i, argv[i]); } while (1) { int patlen=strlen(status->string); if (debug) printf("NOW %d parsing %s\n",status->num,linebuf?(linebuf+curr):NULL); switch (status -> command) { case ERR: /* error, return */ if(linebuf) free(linebuf); return -1; break; case IN: /* eat from inbuf while timeout or pattern found */ { int ltimeout=0; do { if (len==linebufsize) { linebufsize += BUFSIZE; linebuf=realloc(linebuf,sizeof(char)*(linebufsize+1)); if(!linebuf){ perror("utm_run"); exit(-1); } } if (readchar(fd, buf, &linebuf[len], utm->timeout) < 0) ltimeout=1; else len++; } while (!ltimeout && (len < patlen || strncmp(status->string,linebuf+(len-patlen),patlen) != 0)); linebuf[len]=0; if(ltimeout) status=sgoto(utm->head,status->nextnum); else status=status->next; } break; case THROW: /* drop current linebuf */ curr=0; if(linebuf) *linebuf=0; len=0; status=status->next; break; case SEND: /* write command to fd */ { const char *t=status->string; char *ptr; size_t size; FILE *mf=open_memstream(&ptr,&size); while (*t) { /* create the string */ if (*t == '$' && (t==status->string || *(t-1) != '\\')) { t++; if (*t == '*' || *t == '0') { /*all parms*/ int i; for (i=0;i='0' && *t <= '9') t++; if (num < argc) fprintf(mf, "%s", argv[num]); } } else fprintf(mf,"%c",*t); t++; } fclose(mf); write (fd,ptr,size); free(ptr); } status=status->next; break; case SHIFT: /* eat first argument */ argc--; argv++; status=status->next; break; case IF: /* goto nextnum if pattern match */ if (linebuf && (strncmp(linebuf+curr,status->string,patlen) == 0) ) status=sgoto(utm->head,status->nextnum); else status=status->next; break; case GOTO: /* simple goto */ status=sgoto(utm->head,status->nextnum); break; case COPY: /* copy current linebuf to current outbuf */ if(linebuf){ int tocpy=strlen(linebuf+curr)+1; out->buf=realloc(out->buf, out->sz+tocpy); if(!out->buf){ perror("utm_run"); exit(-1); } memcpy(out->buf+out->sz, linebuf+curr, tocpy); out->sz+=tocpy; } status=status->next; break; case EXIT: /* exit with value */ rv = status->nextnum; case EXITRV: /* exit with retval */ if(linebuf) free(linebuf); return rv; break; case SKIP: /* skip after the first occurence of string or N chars */ if(linebuf){ char *skip=NULL; if(strlen(status->string)) skip=strstr(linebuf, status->string); if(skip) curr=(status->string+strlen(status->string))-linebuf; else curr+=status->nextnum; if(curr>len) curr=len; /* normalize */ } status=status->next; break; case IFARG: /* goto if there are still arguments */ if (argc>=0) status=sgoto(utm->head,status->nextnum); else status=status->next; break; case RVATOI: /* remember current number as return value the optional argument is the base to convert from*/ if(!linebuf){ rv = -1; }else if( status->nextnum <= 0 ){ rv = strtol(linebuf+curr, NULL, 10); }else if( status->nextnum >= 2 && status->nextnum <= 36 ){ rv = strtol(linebuf+curr, NULL, status->nextnum); }else{ rv = -1; } status=status->next; break; case OUTSHIFT: /* alloc another output buffer and use it */ out->next=utmout_alloc(); out=out->next; status=status->next; break; case OUTTAG: /* set tag of current output buffer */ out->tag=status->nextnum; status=status->next; break; default: if(linebuf) free(linebuf); return -1; break; } } } struct utm_out *utmout_alloc(void) { struct utm_out *out = NULL; out = (struct utm_out*)malloc(sizeof(struct utm_out)); if(!out) { perror(__func__); exit(-1);} memset(out, 0, sizeof(struct utm_out)); return out; } void utmout_free(struct utm_out *out) { struct utm_out *next; while(out) { if(out->buf) free(out->buf); next = out->next; free(out); out = next; } } vde2-2.3.2+r586/src/common/malloc.c0000644000000000000000000000045313614540472013446 0ustar #include #include #include #include #undef malloc void *malloc (); /* Allocate an N-byte block of memory from the heap. If N is zero, allocate a 1-byte block. */ void * rpl_malloc (size_t n) { if (n == 0) n = 1; return malloc (n); } vde2-2.3.2+r586/src/common/memcmp.c0000644000000000000000000000040513614540472013452 0ustar #include #include #include int memcmp(const void *v1, const void *v2, size_t n) { if (n != 0) { const unsigned char *s1=v1, *s2=v2; do { if (*s1++ != *s2++) return *--s1 - *--s2; } while (--n != 0); } return 0; } vde2-2.3.2+r586/src/common/open_memstream.c0000644000000000000000000000426313614540472015215 0ustar /* * Copyright (C) 2005 Richard Kettlewell * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA */ #include #include #include #include #include #include #include #include /* BSD-compatible implementation of open_memstream */ #if HAVE_FUNOPEN struct memstream { char *buffer; size_t size, space; char **ptr; size_t *sizeloc; }; static int memstream_writefn(void *u, const char *buffer, int bytes) { struct memstream *m = u; size_t needed = m->size + bytes + 1; size_t newspace; char *newbuffer; assert(bytes >= 0); if(needed > m->space) { newspace = m->space ? m->space : 32; while(newspace && newspace < needed) newspace *= 2; if(!newspace) { errno = ENOMEM; return -1; } if(!(newbuffer = realloc(m->buffer, newspace))) return -1; m->buffer = newbuffer; m->space = newspace; } memcpy(m->buffer + m->size, buffer, bytes); m->size += bytes; m->buffer[m->size] = 0; *m->ptr = m->buffer; *m->sizeloc = m->size; return bytes; } FILE *open_memstream(char **ptr, size_t *sizeloc) { struct memstream *m; if(!(m = malloc(sizeof *m))) return 0; m->buffer = 0; m->size = 0; m->space = 0; m->ptr = ptr; m->sizeloc = sizeloc; *ptr = 0; *sizeloc = 0; return funopen(m, 0, /* read */ memstream_writefn, 0, /* seek */ 0); /* close */ } #endif vde2-2.3.2+r586/src/common/poll.c0000644000000000000000000000504513614540472013147 0ustar /* * poll2select - convert poll() calls to select() calls * Copyright 2005 Ludovico Gardenghi * Licensed under the GPLv2 */ #include #include #include #include #include #include #include #include #include #ifndef MAX #define MAX(x,y) ((x)>(y)?(x):(y)) #endif static int prepare_select(struct pollfd *ufds, nfds_t nfds, int timeout, struct timeval **pstimeout, int *maxfdp1, fd_set *rfds, fd_set *wfds, fd_set *efds) { int i; struct pollfd *currfd; struct timeval *stimeout = *pstimeout; /* * Conversion of information about file descriptors */ *maxfdp1 = 0; if ((nfds > 0) && (ufds == NULL)) { errno = EFAULT; return 0; } for (i = 0; i < nfds; i++) { currfd = &ufds[i]; if (currfd->fd < 0) { errno = EBADF; return 0; } if (currfd->events & POLLIN) FD_SET(currfd->fd, rfds); if (currfd->events & POLLOUT) FD_SET(currfd->fd, wfds); if (currfd->events & POLLPRI) FD_SET(currfd->fd, efds); *maxfdp1 = MAX(*maxfdp1, currfd->fd); } (*maxfdp1)++; /* * Conversion of information about timeout */ if (timeout == 0) { if (stimeout == NULL) { errno = EINVAL; return 0; } stimeout->tv_sec = 0; stimeout->tv_usec = 0; } else if (timeout > 0) { if (stimeout == NULL) { errno = EINVAL; return 0; } stimeout->tv_sec = timeout / 1000; stimeout->tv_usec = (timeout % 1000) * 1000; } else // if (timeout < 0) *pstimeout = NULL; return 1; } static int convert_results(struct pollfd *ufds, int nfds, fd_set *rfds, fd_set *wfds, fd_set *efds) { int i; struct pollfd *currfd; int retval = 0; for (i = 0; i < nfds; i++) { currfd = &ufds[i]; currfd->revents = 0; if (FD_ISSET(currfd->fd, rfds)) currfd->revents |= POLLIN; if (FD_ISSET(currfd->fd, wfds)) currfd->revents |= POLLOUT; if (FD_ISSET(currfd->fd, efds)) currfd->revents |= POLLPRI; if (currfd->revents != 0) retval++; } return retval; } int vde_poll(struct pollfd *ufds, nfds_t nfds, int timeout) { fd_set rfds, wfds, efds; struct timeval stimeout; struct timeval *pstimeout = &stimeout; int maxfdp1; int pretval, sretval, tretval; FD_ZERO(&rfds); FD_ZERO(&wfds); FD_ZERO(&efds); tretval = prepare_select(ufds, nfds, timeout, &pstimeout, &maxfdp1, &rfds, &wfds, &efds); if (!tretval) return -1; sretval = select(maxfdp1, &rfds, &wfds, &efds, pstimeout); if (sretval <= 0) return sretval; pretval = convert_results(ufds, nfds, &rfds, &wfds, &efds); return pretval; } vde2-2.3.2+r586/src/common/realloc.c0000644000000000000000000000115413614540472013617 0ustar #include #include #include #include #undef realloc void * rpl_realloc(void *ptr, size_t size) { void *mem; if (size <= 0){ /* For zero or less bytes, free the original memory */ if (ptr) free(ptr); return NULL; } else if (!ptr) /* Allow reallocation of a NULL pointer. */ return malloc(size); else { /* Allocate a new block, copy and free the old block. */ mem=malloc(size); if (mem) { memcpy (mem, ptr, size); free(ptr); } /* Note that the contents of PTR are not damaged if there is insufficient memory to realloc. */ return mem; } } vde2-2.3.2+r586/src/common/strndup.c0000644000000000000000000000034013614540472013671 0ustar #include #include #include #include #include char *strndup(const char *s, size_t n) { char *r = malloc(n+1); if(r){ strncpy(r, s, n); r[n] = 0; } return r; } vde2-2.3.2+r586/src/dpipe.c0000644000000000000000000001107013614540472012005 0ustar /* Copyright 2003 Renzo Davoli * Licensed under the GPL */ #include #include #include #include #include #include #include #include #include #include #if 0 #define execvp(X,Y) \ ({ char **y; \ fprintf(stderr,"execvp \"%s\" -",(X)); \ for (y=(Y); *y != NULL; y++) \ fprintf(stderr,"\"%s\"",*y); \ fprintf(stderr,"\n"); \ sleep (10); \ }) #endif static char *progname; int splitindex(int argc, char *argv[], int *dirchar) { int i; for (i=0; i= argc) { if (newdirchar != 0) usage(); execvp(argv[0],argv); } else { char **argv1,**argv2; int p1[2],p2[2]; if (argc < 3 || split == 0 || split == argc-1) usage(); pipe(p1); if (olddirchar == 0) pipe(p2); argv[split]=NULL; argv1=argv; argv2=argv+(split+1); if (fork()) { switch (olddirchar) { case 0: close(p1[1]); close(p2[0]); if (p1[0] != alternate_stdin){ dup2(p1[0],alternate_stdin); close(p1[0]); } if (p1[0] != alternate_stdout){ dup2(p2[1],alternate_stdout); close(p2[1]); } break; case '}': close(p1[0]); dup2(p1[1],STDOUT_FILENO); close(p1[1]); break; case '{': close(p1[1]); dup2(p1[0],STDIN_FILENO); close(p1[0]); break; default: fprintf(stderr,"Error\n"); } execvp(argv1[0],argv1); } else { switch (olddirchar) { case 0: close(p2[1]); close(p1[0]); dup2(p2[0],STDIN_FILENO); dup2(p1[1],STDOUT_FILENO); close(p2[0]); close(p1[1]); break; case '}': close(p1[1]); dup2(p1[0],STDIN_FILENO); close(p1[0]); break; case '{': close(p1[0]); dup2(p1[1],STDOUT_FILENO); close(p1[1]); break; default: fprintf(stderr,"Error\n"); } recmain(argc-split-1,argv2,newdirchar); } } return 0; } int main(int argc, char *argv[]) { int split; char **argv1,**argv2; int p1[2],p2[2]; int dirchar=0; int daemonize=0; char *pidfile=NULL; int pgrp; int argflag; int err=0; progname=argv[0]; argv++; argc--; do { argflag=0; if (argv[0] && *argv[0] == '-') { argflag++; argv[0]++; if (*argv[0] == '-') { argv[0]++; if (strcmp(argv[0],"daemon") == 0) daemonize = 1; else if (strcmp(argv[0],"pidfile") == 0) { pidfile = argv[argflag]; argflag++; } else { fprintf(stderr,"unknown option --%s\n",argv[0]); err++; } } else { while (*argv[0] != 0) { switch (*argv[0]) { case 0: break; case 'd': daemonize = 1; break; case 'p': pidfile = argv[argflag]; argflag++; break; default: fprintf(stderr,"unknown option -%c\n",*argv[0]); err++; } if (*argv[0] != 0) argv[0]++; } } argv += argflag; argc -= argflag; } } while (argflag); if (err) exit(1); if (daemonize != 0) daemon(0,0); 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unsigned int minor; int count; char name[64]; }; /* Ioctl defines */ #define IPN_CHECK _IO('I', 199) #define IPN_SETPERSIST_NETDEV _IOR('I', 200, struct ifreq) #define IPN_CLRPERSIST_NETDEV _IOR('I', 201, struct ifreq) #define IPN_CONN_NETDEV _IOR('I', 202, struct ifreq) #define IPN_JOIN_NETDEV _IOR('I', 203, struct ifreq) #define IPN_SETPERSIST _IOR('I', 204, struct ifreq) #define IPN_REGISTER_CHRDEV _IOWR('I', 301, struct chrdevreq) #define IPN_UNREGISTER_CHRDEV _IO('I', 302) #define IPN_JOIN_CHRDEV _IOR('I', 303, struct chrdevreq) #define IPN_CHRDEV_PERSIST _IOR('I', 304, int) #define IPN_OOB_NUMNODE_TAG 0 /* OOB message for change of numnodes * Common fields for oob IPN signaling: * @level=level of the service who generated the oob * @tag=tag of the message * Specific fields: * @numreaders=number of readers * @numwriters=number of writers * */ struct numnode_oob { int level; int tag; int numreaders; int numwriters; }; /* these flags are used in IPN_CONN_NETDEV*/ #define IPN_NODEFLAG_TAP 0x10 /* This is a tap interface */ #define IPN_NODEFLAG_GRAB 0x20 /* This is a grab of a real interface */ #ifdef __KERNEL__ #include #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 24) #define kmem_cache_create(A,B,C,D,E) kmem_cache_create((A),(B),(C),(D),(E),(E)) #endif #include #include #include #include #include #include #define IPN_HASH_SIZE 256 /* The AF_IPN socket */ struct msgpool_item; struct ipn_network; struct pre_bind_parms; /* * ipn_node * * @nodelist=pointers for connectqueue or unconnectqueue (see network) * @protocol=kind of service 0->standard broadcast * @flags= see IPN_NODEFLAG_xxx * @shutdown= SEND_SHUTDOWN/RCV_SHUTDOWN and OOBRCV_SHUTDOWN * @descr=description of this port * @portno=when connected: port of the netowrk (<0 means unconnected) * @msglock=mutex on the msg queue * @totmsgcount=total # of pending msgs * @oobmsgcount=# of pending oob msgs * @msgqueue=queue of messages * @oobmsgqueue=queue of messages * @read_wait=waitqueue for reading * @net=current network * @dev=device (TAP or GRAB) * @ipn=network we are connected to * @pbp=temporary storage for parms that must be set prior to bind * @proto_private=handle for protocol private data */ struct ipn_node { struct list_head nodelist; int protocol; volatile unsigned char flags; unsigned char shutdown; char descr[IPN_DESCRLEN]; int portno; spinlock_t msglock; unsigned short totmsgcount; unsigned short oobmsgcount; struct list_head msgqueue; struct list_head oobmsgqueue; wait_queue_head_t read_wait; struct net *net; struct net_device *netdev; dev_t chrdev; struct ipn_network *ipn; struct pre_bind_parms *pbp; void *proto_private; }; #define IPN_NODEFLAG_BOUND 0x1 /* bind succeeded */ #define IPN_NODEFLAG_INUSE 0x2 /* is currently "used" (0 for persistent, unbound interfaces) */ #define IPN_NODEFLAG_PERSIST 0x4 /* if persist does not disappear on close (net interfaces) */ #if 0 /* these flags are used in IPN_CONN_NETDEV*/ #define IPN_NODEFLAG_TAP 0x10 /* This is a tap interface */ #define IPN_NODEFLAG_GRAB 0x20 /* This is a grab of a real interface */ #endif #define IPN_NODEFLAG_DEVMASK 0x30 /* True if this is a device */ #define IPN_NODEFLAG_OOB_NUMNODES 0x40 /* Node wants OOB for NNODES */ /* * ipn_sock * * unfortunately we must use a struct sock (most of the fields are useless) as * this is the standard "agnostic" structure for socket implementation. * This proofs that it is not "agnostic" enough! */ struct ipn_sock { struct sock sk; struct ipn_node *node; }; /* ipn_chrdev cdev to ipn_dev mapping, defined in ipn_chrdev.c */ struct ipn_chrdev; /* * ipn_network network descriptor * * @hnode=hash to find this entry (looking for i-node) * @unconnectqueue=queue of unconnected (bound) nodes * @connectqueue=queue of connected nodes (faster for broadcasting) * @refcnt=reference count (bound or connected sockets) * @dentry/@mnt=to keep the file system descriptor into memory * @ipnn_lock=lock for protocol functions * @protocol=kind of service * @flags=flags (IPN_FLAG_LOSSLESS) * @maxports=number of ports available in this network * @msgpool_nelem=number of pending messages * @msgpool_size=max number of pending messages *per net* when IPN_FLAG_LOSSLESS * @msgpool_size=max number of pending messages *per port*when LOSSY * @mtu=MTU * @send_wait=wait queue waiting for a message in the msgpool (IPN_FLAG_LOSSLESS) * @msgpool_cache=slab for msgpool (unused yet) * @proto_private=handle for protocol private data * @connports=array of connected sockets * @chrdev=chr device(s) connected to this ipn_network */ struct ipn_network { struct hlist_node hnode; struct list_head unconnectqueue; struct list_head connectqueue; int refcnt; struct dentry *dentry; struct vfsmount *mnt; struct semaphore ipnn_mutex; int sunaddr_len; struct sockaddr_un sunaddr; unsigned int protocol; unsigned int flags; int numreaders; int numwriters; atomic_t msgpool_nelem; unsigned short maxports; unsigned short msgpool_size; unsigned short mtu; wait_queue_head_t send_wait; struct kmem_cache *msgpool_cache; void *proto_private; struct ipn_node **connport; struct ipn_chrdev *chrdev; }; /* struct msgpool_item * the local copy of the message for dispatching * @count refcount * @len packet len * @data payload */ struct msgpool_item { atomic_t count; int len; unsigned char data[0]; }; struct msgpool_item *ipn_msgpool_alloc(struct ipn_network *ipnn,int leaky,int len); void ipn_msgpool_put(struct msgpool_item *old, struct ipn_network *ipnn); /* * protocol service: * * @refcnt: number of networks using this protocol * @newport=upcall for reporting a new port. returns the portno, -1=error * @handlemsg=dispatch a message. * should call ipn_proto_sendmsg for each desctination * can allocate other msgitems using ipn_msgpool_alloc to send * different messages to different destinations; * @delport=(may be null) reports the terminatio of a port * @postnewport,@predelport: similar to newport/delport but during these calls * the node is (still) connected. Useful when protocols need * welcome and goodbye messages. * @ipn_p_setsockopt * @ipn_p_getsockopt * @ipn_p_ioctl=(may be null) upcall to manage specific options or ctls. */ struct ipn_protocol { int refcnt; int (*ipn_p_newport)(struct ipn_node *newport); int (*ipn_p_handlemsg)(struct ipn_node *from,struct msgpool_item *msgitem); void (*ipn_p_delport)(struct ipn_node *oldport); void (*ipn_p_postnewport)(struct ipn_node *newport); void (*ipn_p_predelport)(struct ipn_node *oldport); int (*ipn_p_newnet)(struct ipn_network *newnet); int (*ipn_p_resizenet)(struct ipn_network *net,int oldsize,int newsize); void (*ipn_p_delnet)(struct ipn_network *oldnet); int (*ipn_p_setsockopt)(struct ipn_node *port,int optname, char __user *optval, int optlen); int (*ipn_p_getsockopt)(struct ipn_node *port,int optname, char __user *optval, int *optlen); int (*ipn_p_ioctl)(struct ipn_node *port,unsigned int request, unsigned long arg); }; int ipn_proto_register(int protocol,struct ipn_protocol *ipn_service); int ipn_proto_deregister(int protocol); int ipn_proto_injectmsg(struct ipn_node *from, struct msgpool_item *msg); void ipn_proto_sendmsg(struct ipn_node *to, struct msgpool_item *msg); void ipn_proto_oobsendmsg(struct ipn_node *to, struct msgpool_item *msg); struct ipn_node *ipn_node_create(struct net *net); int ipn_node_connect(struct ipn_node *ipn_node); int ipn_node_create_connect(struct ipn_node **ipn_node_out, struct ipn_network *(* ipnn_map)(void *),void *ipnn_map_arg); int ipn_node_release(struct ipn_node *ipn_node); unsigned int ipn_node_poll(struct ipn_node *ipn_node, struct file *file, poll_table *wait); int ipn_node_ioctl(struct ipn_node *ipn_node, unsigned int cmd, unsigned long arg); int ipn_node_write(struct ipn_node *ipn_node, struct iovec *msg_iov, int len); int ipn_node_read(struct ipn_node *ipn_node, struct iovec *msg_iov, size_t len, int *msg_flags, int flags); struct ipn_network *ipn_find_network_byfun( int (*fun)(struct ipn_network *,void *),void *funarg); #ifndef IPN_STEALING extern struct sk_buff *(*ipn_handle_frame_hook)(struct ipn_node *p, struct sk_buff *skb); #endif #endif #endif vde2-2.3.2+r586/src/kvde_switch/consmgmt.c0000644000000000000000000004631713614540472015061 0ustar /* Copyright 2005,2006,2007 Renzo Davoli - VDE-2 * 2007 co-authors Ludovico Gardenghi, Filippo Giunchedi, Luca Bigliardi * --pidfile/-p and cleanup management by Mattia Belletti (C) 2004. * Licensed under the GPLv2 */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "../vde_switch/switch.h" #include "sockutils.h" #include "consmgmt.h" #define MAXCMD 128 static struct swmodule swmi; extern time_t starting_time; static int logok=0; static char *rcfile; static char *pidfile = NULL; static char pidfile_path[PATH_MAX]; static int daemonize = 0; static unsigned int console_type=-1; static unsigned int mgmt_ctl=-1; static unsigned int mgmt_data=-1; static int mgmt_mode = 0600; static char *mgmt_socket = NULL; static char header[]="KVDE switch V.%s\n(C) Virtual Square Team (coord. R. Davoli) 2005,...,2008 - GPLv2\n"; static char prompt[]="\nvde$ "; static struct comlist *clh=NULL; static struct comlist **clt=&clh; #ifdef DEBUGOPT #define DBGCLSTEP 8 static struct dbgcl *dbgclh=NULL; static struct dbgcl **dbgclt=&dbgclh; #define MGMTPORTNEW (dl) #define MGMTPORTDEL (dl+1) static struct dbgcl dl[]= { {"mgmt/+",NULL,D_MGMT|D_PLUS}, {"mgmt/-",NULL,D_MGMT|D_MINUS} }; #endif #ifdef VDEPLUGIN static struct plugin *pluginh=NULL; static struct plugin **plugint=&pluginh; #endif void addcl(int ncl,struct comlist *cl) { int i; for (i=0;inext=NULL; (*clt)=cl; clt=(&cl->next); } } void delcl(int ncl,struct comlist *cl) { int i; for (i=0;inext; else { p=&(*p)->next; clt=p; } } } } #ifdef DEBUGOPT void adddbgcl(int ncl,struct dbgcl *cl) { int i; for (i=0;inext=NULL; (*dbgclt)=cl; dbgclt=(&cl->next); } } void deldbgcl(int ncl,struct dbgcl *cl) { int i; for (i=0;ifds) free(cl->fds); if (cl->fun) free(cl->fun); *p=cl->next; } else { p=&(*p)->next; dbgclt=p; } } } } #endif #ifdef VDEPLUGIN void addplugin(struct plugin *cl) { cl->next=NULL; (*plugint)=cl; plugint=(&cl->next); } void delplugin(struct plugin *cl) { struct plugin **p=&pluginh; while (*p != NULL) { if (*p == cl) *p=cl->next; else { p=&(*p)->next; plugint=p; } } } #endif void printlog(int priority, const char *format, ...) { va_list arg; va_start (arg, format); if (logok) vsyslog(priority,format,arg); else { fprintf(stderr,"%s: ",prog); vfprintf(stderr,format,arg); fprintf(stderr,"\n"); } va_end (arg); } #if 0 void printoutc(int fd, const char *format, ...) { va_list arg; va_start (arg, format); #if 0 if (fd < 0) printlog(LOG_INFO,format,arg); else { #endif char outbuf[MAXCMD+1]; vsnprintf(outbuf,MAXCMD,format,arg); strcat(outbuf,"\n"); write(fd,outbuf,strlen(outbuf)); #if 0 } #endif } #endif void printoutc(FILE *f, const char *format, ...) { va_list arg; va_start (arg, format); if (f) { vfprintf(f,format,arg); fprintf(f,"\n"); } else printlog(LOG_INFO,format,arg); va_end(arg); } #ifdef DEBUGOPT static char _dbgnl='\n'; void debugout(struct dbgcl* cl, const char *format, ...) { va_list arg; char *msg; int i; char *header; struct iovec iov[]={{NULL,0},{NULL,0},{&_dbgnl,1}}; va_start (arg, format); iov[0].iov_len=asprintf(&header,"3%03o %s ",cl->tag & 0777,cl->path); iov[0].iov_base=header; iov[1].iov_len=vasprintf(&msg,format,arg); iov[1].iov_base=msg; va_end (arg); for (i=0; infds; i++) writev(cl->fds[i],iov,3); free(header); free(msg); } void eventout(struct dbgcl* cl, ...) { int i; va_list arg; for (i=0; infun; i++) { va_start (arg, cl); (cl->fun[i])(cl,arg); va_end(arg); } } int packetfilter(struct dbgcl* cl, ...) { int i; va_list arg; int len; va_start (arg, cl); (void) va_arg(arg,int); /*port*/ (void) va_arg(arg,char *); /*buf*/ len=va_arg(arg,int); va_end(arg); for (i=0; infun && len>0; i++) { va_start (arg, cl); int rv=(cl->fun[i])(cl,arg); va_end (arg); if (rv!=0) len=rv; } if (len < 0) return 0; else return len; } #endif void setmgmtperm(char *path) { chmod(path,mgmt_mode); } static int help(FILE *fd,char *arg) { struct comlist *p; int n=strlen(arg); printoutc(fd,"%-18s %-15s %s","COMMAND PATH","SYNTAX","HELP"); printoutc(fd,"%-18s %-15s %s","------------","--------------","------------"); for (p=clh;p!=NULL;p=p->next) if (strncmp(p->path,arg,n) == 0) printoutc(fd,"%-18s %-15s %s",p->path,p->syntax,p->help); return 0; } static int handle_cmd(int type,int fd,char *inbuf) { struct comlist *p; int rv=ENOSYS; while (*inbuf == ' ' || *inbuf == '\t') inbuf++; if (*inbuf != '\0' && *inbuf != '#') { char *outbuf; size_t outbufsize; FILE *f; if (fd >= 0) f=open_memstream(&outbuf,&outbufsize); else f=NULL; for (p=clh;p!=NULL && (p->doit==NULL || strncmp(p->path,inbuf,strlen(p->path))!=0); p=p->next) ; if (p!=NULL) { inbuf += strlen(p->path); while (*inbuf == ' ' || *inbuf == '\t') inbuf++; if (p->type & WITHFD) { if (p->type & WITHFILE) { printoutc(f,"0000 DATA END WITH '.'"); switch(p->type & ~(WITHFILE | WITHFD)){ case NOARG: rv=p->doit(f,fd); break; case INTARG: rv=p->doit(f,fd,atoi(inbuf)); break; case STRARG: rv=p->doit(f,fd,inbuf); break; } printoutc(f,"."); } else { switch(p->type & ~WITHFD){ case NOARG: rv=p->doit(fd); break; case INTARG: rv=p->doit(fd,atoi(inbuf)); break; case STRARG: rv=p->doit(fd,inbuf); break; } } } else if (p->type & WITHFILE) { printoutc(f,"0000 DATA END WITH '.'"); switch(p->type & ~WITHFILE){ case NOARG: rv=p->doit(f); break; case INTARG: rv=p->doit(f,atoi(inbuf)); break; case STRARG: rv=p->doit(f,inbuf); break; } printoutc(f,"."); } else { switch(p->type){ case NOARG: rv=p->doit(); break; case INTARG: rv=p->doit(atoi(inbuf)); break; case STRARG: rv=p->doit(inbuf); break; } } } if (rv >= 0 && (rv > 0 || fd >= 0)) printoutc(f,"1%03d %s",rv,strerror(rv)); if (f) { fclose(f); write(fd,outbuf,outbufsize); free(outbuf); } } return rv; } static int runscript(int fd,char *path) { FILE *f=fopen(path,"r"); char buf[MAXCMD]; if (f==NULL) return ENOENT; else { while (fgets(buf,MAXCMD,f) != NULL) { if (strlen(buf) > 1 && buf[strlen(buf)-1]=='\n') buf[strlen(buf)-1]= '\0'; if (fd >= 0) { char *scriptprompt=NULL; asprintf(&scriptprompt,"vde[%s]: %s",path,buf); write(fd,scriptprompt,strlen(scriptprompt)); free(scriptprompt); } handle_cmd(mgmt_data, fd, buf); } return 0; } } void loadrcfile(void) { if (rcfile != NULL) runscript(-1,rcfile); else { char path[PATH_MAX]; snprintf(path,PATH_MAX,"%s/.vde2/vde_switch.rc",getenv("HOME")); if (access(path,R_OK) == 0) runscript(-1,path); else { if (access(STDRCFILE,R_OK) == 0) runscript(-1,STDRCFILE); } } } void mgmtnewfd(int new) { char buf[MAXCMD]; if(fcntl(new, F_SETFL, O_NONBLOCK) < 0){ printlog(LOG_WARNING,"mgmt fcntl - setting O_NONBLOCK %s",strerror(errno)); close(new); return; } add_fd(new,mgmt_data,NULL); EVENTOUT(MGMTPORTNEW,new); snprintf(buf,MAXCMD,header,PACKAGE_VERSION); write(new,buf,strlen(buf)); write(new,prompt,strlen(prompt)); } #ifdef DEBUGOPT static int debugdel(int fd,char *arg); #endif static char *EOS="9999 END OF SESSION"; static void handle_io(unsigned char type,int fd,int revents,void *unused) { char buf[MAXCMD]; if (type != mgmt_ctl) { int n=0; if (revents & POLLIN) { n = read(fd, buf, sizeof(buf)); if(n < 0){ printlog(LOG_WARNING,"Reading from mgmt %s",strerror(errno)); } } if (n==0) { /*EOF*/ if (type == console_type) { printlog(LOG_WARNING,"EOF on stdin, cleaning up and exiting"); exit(0); } else { #ifdef DEBUGOPT debugdel(fd,""); #endif remove_fd(fd); } } else { int cmdout; buf[n]=0; if (n>0 && buf[n-1] == '\n') buf[n-1] = 0; cmdout=handle_cmd(type,(type==console_type)?STDOUT_FILENO:fd,buf); if (cmdout >= 0) write(fd,prompt,strlen(prompt)); else { if(type==mgmt_data) { write(fd,EOS,strlen(EOS)); #ifdef DEBUGOPT EVENTOUT(MGMTPORTDEL,fd); debugdel(fd,""); #endif remove_fd(fd); } if (cmdout == -2) exit(0); } } } else {/* mgmt ctl */ struct sockaddr addr; int new; socklen_t len; len = sizeof(addr); new = accept(fd, &addr, &len); if(new < 0){ printlog(LOG_WARNING,"mgmt accept %s",strerror(errno)); return; } if(fcntl(new, F_SETFL, O_NONBLOCK) < 0){ printlog(LOG_WARNING,"mgmt fcntl - setting O_NONBLOCK %s",strerror(errno)); close(new); return; } add_fd(new,mgmt_data,NULL); EVENTOUT(MGMTPORTNEW,new); snprintf(buf,MAXCMD,header,PACKAGE_VERSION); write(new,buf,strlen(buf)); write(new,prompt,strlen(prompt)); } } static void save_pidfile() { if(pidfile[0] != '/') strncat(pidfile_path, pidfile, PATH_MAX - strlen(pidfile_path) - 1); else strncpy(pidfile_path, pidfile, PATH_MAX - 1); int fd = open(pidfile_path, O_WRONLY | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); FILE *f; if(fd == -1) { printlog(LOG_ERR, "Error in pidfile creation: %s", strerror(errno)); exit(1); } if((f = fdopen(fd, "w")) == NULL) { printlog(LOG_ERR, "Error in FILE* construction: %s", strerror(errno)); exit(1); } if(fprintf(f, "%ld\n", (long int)getpid()) <= 0) { printlog(LOG_ERR, "Error in writing pidfile"); exit(1); } fclose(f); } static void cleanup(unsigned char type,int fd,void *unused) { if (fd < 0) { if((pidfile != NULL) && unlink(pidfile_path) < 0) { printlog(LOG_WARNING,"Couldn't remove pidfile '%s': %s", pidfile, strerror(errno)); } } else { close(fd); if (type == mgmt_ctl && mgmt_socket != NULL) { unlink(mgmt_socket); } } } #define MGMTMODEARG 0x100 static struct option long_options[] = { {"daemon", 0, 0, 'd'}, {"pidfile", 1, 0, 'p'}, {"rcfile", 1, 0, 'f'}, {"mgmt", 1, 0, 'M'}, {"mgmtmode", 1, 0, MGMTMODEARG}, #ifdef DEBUGOPT {"debugclients",1,0,'D'}, #endif }; #define Nlong_options (sizeof(long_options)/sizeof(struct option)); static void usage(void) { printf( "(opts from consmgmt module)\n" " -d, --daemon Daemonize vde_switch once run\n" " -p, --pidfile PIDFILE Write pid of daemon to PIDFILE\n" " -f, --rcfile Configuration file (overrides %s and ~/.vderc)\n" " -M, --mgmt SOCK path of the management UNIX socket\n" " --mgmtmode MODE management UNIX socket access mode (octal)\n" #ifdef DEBUGOPT " -D, --debugclients # number of debug clients allowed\n" #endif ,STDRCFILE); } static int parseopt(int c, char *optarg) { int outc=0; switch (c) { case 'd': daemonize=1; break; case 'p': pidfile=strdup(optarg); break; case 'f': rcfile=strdup(optarg); break; case 'M': mgmt_socket=strdup(optarg); break; case MGMTMODEARG: sscanf(optarg,"%o",&mgmt_mode); break; default: outc=c; } return outc; } static void init(void) { if (daemonize) { openlog(basename(prog), LOG_PID, 0); logok=1; syslog(LOG_INFO,"VDE_SWITCH started"); } /* add stdin (if tty), connect and data fds to the set of fds we wait for * * input */ if(!daemonize) { console_type=add_type(&swmi,0); add_fd(0,console_type,NULL); } /* saves current path in pidfile_path, because otherwise with daemonize() we * * forget it */ if(getcwd(pidfile_path, PATH_MAX-2) == NULL) { printlog(LOG_ERR, "getcwd: %s", strerror(errno)); exit(1); } strcat(pidfile_path, "/"); if (daemonize && daemon(0, 0)) { printlog(LOG_ERR,"daemon: %s",strerror(errno)); exit(1); } /* once here, we're sure we're the true process which will continue as a * * server: save PID file if needed */ if(pidfile) save_pidfile(); if(mgmt_socket != NULL) { int mgmtconnfd; struct sockaddr_un sun; int one = 1; if((mgmtconnfd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0){ printlog(LOG_ERR,"mgmt socket: %s",strerror(errno)); return; } if(setsockopt(mgmtconnfd, SOL_SOCKET, SO_REUSEADDR, (char *) &one, sizeof(one)) < 0){ printlog(LOG_ERR,"mgmt setsockopt: %s",strerror(errno)); return; } if(fcntl(mgmtconnfd, F_SETFL, O_NONBLOCK) < 0){ printlog(LOG_ERR,"Setting O_NONBLOCK on mgmt fd: %s",strerror(errno)); return; } sun.sun_family = PF_UNIX; snprintf(sun.sun_path,sizeof(sun.sun_path),"%s",mgmt_socket); if(bind(mgmtconnfd, (struct sockaddr *) &sun, sizeof(sun)) < 0){ if((errno == EADDRINUSE) && still_used(&sun)) return; else if(bind(mgmtconnfd, (struct sockaddr *) &sun, sizeof(sun)) < 0){ printlog(LOG_ERR,"mgmt bind %s",strerror(errno)); return; } } chmod(sun.sun_path,mgmt_mode); if(listen(mgmtconnfd, 15) < 0){ printlog(LOG_ERR,"mgmt listen: %s",strerror(errno)); return; } mgmt_ctl=add_type(&swmi,0); mgmt_data=add_type(&swmi,0); add_fd(mgmtconnfd,mgmt_ctl,NULL); } } static int vde_logout() { return -1; } static int vde_shutdown() { printlog(LOG_WARNING,"Shutdown from mgmt command"); return -2; } static int showinfo(FILE *fd) { printoutc(fd,header,PACKAGE_VERSION); printoutc(fd,"pid %d MAC %02x:%02x:%02x:%02x:%02x:%02x uptime %d",getpid(), switchmac[0], switchmac[1], switchmac[2], switchmac[3], switchmac[4], switchmac[5], time(NULL)-starting_time); if (mgmt_socket) printoutc(fd,"mgmt %s perm 0%03o",mgmt_socket,mgmt_mode); return 0; } #ifdef DEBUGOPT static int debuglist(FILE *f,int fd,char *path) { #define DEBUGFORMAT1 "%-22s %-3s %-6s %s" #define DEBUGFORMAT2 "%-22s %03o %-6s %s" struct dbgcl *p; int i; int rv=ENOENT; printoutc(f,DEBUGFORMAT1,"CATEGORY", "TAG", "STATUS", "HELP"); printoutc(f,DEBUGFORMAT1,"------------","---","------", "----"); for (p=dbgclh; p!=NULL; p=p->next){ if (p->help && strncmp(p->path, path, strlen(path)) == 0) { for (i=0; infds && p->fds[i] != fd; i++) ; rv=0; printoutc(f, DEBUGFORMAT2, p->path, p->tag &0777, infds ? "ON" : "OFF", p->help); } } return rv; } /* EINVAL -> no matches * EEXIST -> all the matches already include fd * ENOMEM -> fd buffer realloc failed * 0 otherwise */ static int debugadd(int fd,char *path) { struct dbgcl *p; int rv=EINVAL; for (p=dbgclh; p!=NULL; p=p->next) { if (p->help && strncmp(p->path, path, strlen(path)) == 0) { int i; if (rv==EINVAL) rv=EEXIST; for(i=0;infds && (p->fds[i] != fd); i++) ; if (i>=p->nfds) { if (i>=p->maxfds) { int newsize=p->maxfds+DBGCLSTEP; p->fds=realloc(p->fds,newsize*sizeof(int)); if (p->fds) { p->maxfds=newsize; p->fds[i]=fd; p->nfds++; if (rv != ENOMEM) rv=0; } else rv=ENOMEM; } else { p->fds[i]=fd; p->nfds++; if (rv != ENOMEM) rv=0; } } } } return rv; } /* EINVAL -> no matches * ENOENT -> all the matches do not include fd * 0 otherwise */ static int debugdel(int fd,char *path) { struct dbgcl *p; int rv=EINVAL; for (p=dbgclh; p!=NULL; p=p->next){ if (strncmp(p->path, path, strlen(path)) == 0) { int i; if (rv==EINVAL) rv=ENOENT; for(i=0;infds && (p->fds[i] != fd); i++) ; if (infds) { p->nfds--; /* the last one */ p->fds[i]=p->fds[p->nfds]; /* swap it with the deleted element*/ rv=0; } } } return rv; } int eventadd(int (*fun)(),char *path,void *arg) { struct dbgcl *p; int rv=EINVAL; for (p=dbgclh; p!=NULL; p=p->next) { if (strncmp(p->path, path, strlen(path)) == 0) { int i; if (rv==EINVAL) rv=EEXIST; for(i=0;infun && (p->fun[i] != fun); i++) ; if (i>=p->nfun) { if (i>=p->maxfun) { int newsize=p->maxfun+DBGCLSTEP; p->fun=realloc(p->fun,newsize*sizeof(int)); p->funarg=realloc(p->funarg,newsize*sizeof(void *)); if (p->fun && p->funarg) { p->maxfun=newsize; p->fun[i]=fun; p->funarg[i]=arg; p->nfun++; if (rv != ENOMEM) rv=0; } else rv=ENOMEM; } else { p->fun[i]=fun; p->nfun++; if (rv != ENOMEM) rv=0; } } } } return rv; } /* EINVAL -> no matches * ENOENT -> all the matches do not include fun * 0 otherwise */ int eventdel(int (*fun)(),char *path,void *arg) { struct dbgcl *p; int rv=EINVAL; for (p=dbgclh; p!=NULL; p=p->next){ if (strncmp(p->path, path, strlen(path)) == 0) { int i; if (rv==EINVAL) rv=ENOENT; for(i=0;infun && (p->fun[i] != fun) && (p->funarg[i] != arg); i++) ; if (infun) { p->nfun--; /* the last one */ p->fun[i]=p->fun[p->nfun]; /* swap it with the deleted element*/ rv=0; } } } return rv; } #endif #ifdef VDEPLUGIN static int pluginlist(FILE *f,char *arg) { #define PLUGINFMT "%-22s %s" struct plugin *p; int rv=ENOENT; printoutc(f,PLUGINFMT,"NAME", "HELP"); printoutc(f,PLUGINFMT,"------------","----"); for (p=pluginh; p!=NULL; p=p->next){ if (strncmp(p->name, arg, strlen(arg)) == 0) { printoutc(f,PLUGINFMT,p->name,p->help); rv=0; } } return rv; } static int pluginadd(char *arg) { void *handle; struct plugin *p; int rv=ENOENT; if ((handle=dlopen(arg,RTLD_LAZY)) != NULL) { if ((p=(struct plugin *) dlsym(handle,"vde_plugin_data")) != NULL) { if (p->handle != NULL) { /* this dyn library is already loaded*/ dlclose(handle); rv=EEXIST; } else { addplugin(p); p->handle=handle; rv=0; } } else { rv=EINVAL; } } return rv; } static int plugindel(char *arg) { int rv=ENOENT; struct plugin **p=&pluginh; while (*p!=NULL){ if (strncmp((*p)->name, arg, strlen(arg)) == 0 && ((*p)->handle != NULL)) { struct plugin *this=*p; delplugin(this); dlclose(this->handle); rv=0; } else p=&(*p)->next; } return rv; } #endif static struct comlist cl[]={ {"help","[arg]","Help (limited to arg when specified)",help,STRARG | WITHFILE}, {"logout","","logout from this mgmt terminal",vde_logout,NOARG}, {"shutdown","","shutdown of the switch",vde_shutdown,NOARG}, {"showinfo","","show switch version and info",showinfo,NOARG|WITHFILE}, {"load","path","load a configuration script",runscript,STRARG|WITHFD}, #ifdef DEBUGOPT {"debug","============","DEBUG MENU",NULL,NOARG}, {"debug/list","","list debug categories",debuglist,STRARG|WITHFILE|WITHFD}, {"debug/add","dbgpath","enable debug info for a given category",debugadd,WITHFD|STRARG}, {"debug/del","dbgpath","disable debug info for a given category",debugdel,WITHFD|STRARG}, #endif #ifdef VDEPLUGIN {"plugin","============","PLUGINS MENU",NULL,NOARG}, {"plugin/list","","list plugins",pluginlist,STRARG|WITHFILE}, {"plugin/add","library","load a plugin",pluginadd,STRARG}, {"plugin/del","name","unload a plugin",plugindel,STRARG}, #endif }; void start_consmgmt(void) { swmi.swmname="console-mgmt"; swmi.swmnopts=Nlong_options; swmi.swmopts=long_options; swmi.usage=usage; swmi.parseopt=parseopt; swmi.init=init; swmi.handle_io=handle_io; swmi.cleanup=cleanup; ADDCL(cl); #ifdef DEBUGOPT ADDDBGCL(dl); #endif add_swm(&swmi); } vde2-2.3.2+r586/src/kvde_switch/consmgmt.h0000644000000000000000000000443413614540472015060 0ustar /* Copyright 2002 Jeff Dike * Licensed under the GPL */ #ifndef __CONSMGMT_H__ #define __CONSMGMT_H__ #include struct comlist { char *path; char *syntax; char *help; int (*doit)(); unsigned char type; struct comlist *next; }; #define NOARG 0 #define INTARG 1 #define STRARG 2 #define WITHFILE 0x40 #define WITHFD 0x80 void printlog(int priority, const char *format, ...); void loadrcfile(void); void setmgmtperm(char *path); void printoutc(FILE *fd, const char *format, ...); void addcl(int ncl,struct comlist *cl); #define ADDCL(CL) addcl(sizeof(CL)/sizeof(struct comlist),(CL)) typedef int (*intfun)(); #ifdef DEBUGOPT #define D_PACKET 01000 #define D_MGMT 02000 #define D_IN 01 #define D_OUT 02 #define D_PLUS 01 #define D_MINUS 02 #define D_DESCR 03 #define D_STATUS 04 #define D_ROOT 05 #define D_HASH 010 #define D_PORT 020 #define D_EP 030 #define D_FSTP 040 struct dbgcl { char *path; /* debug path for add/del */ char *help; /* help string. just event mgmt when NULL */ int tag; /* tag for event mgmt and simple parsing */ int *fds; /* file descriptors for debug */ intfun (*fun); /* function call dor plugin events */ void **funarg; /* arg for function calls */ unsigned short nfds; /* number of active fds */ unsigned short nfun; /* number of active fun */ unsigned short maxfds; /* current size of fds */ unsigned short maxfun; /* current size of both fun and funarg */ struct dbgcl *next; }; void adddbgcl(int ncl, struct dbgcl* cl); #define ADDDBGCL(CL) adddbgcl(sizeof(CL)/sizeof(struct dbgcl),(CL)) void debugout(struct dbgcl* cl, const char *format, ...); void eventout(struct dbgcl* cl, ...); int packetfilter(struct dbgcl* cl, ...); #define DBGOUT(CL, ...) \ if (__builtin_expect(((CL)->nfds) > 0, 0)) debugout((CL), __VA_ARGS__) #define EVENTOUT(CL, ...) \ if (__builtin_expect(((CL)->nfun) > 0, 0)) eventout((CL), __VA_ARGS__) #define PACKETFILTER(CL, PORT, BUF, LEN) \ (__builtin_expect((((CL)->nfun) == 0 || ((LEN)=packetfilter((CL), (PORT), (BUF), (LEN)))), 1)) /* #define PACKETFILTER(CL, PORT, BUF, LEN) (LEN) */ #else #define DBGOUT(CL, ...) #define EVENTOUT(CL, ...) #define PACKETFILTER(CL, PORT, BUF, LEN) (LEN) #endif /* DEBUGOPT */ #endif #ifdef VDEPLUGIN struct plugin { char *name; char *help; void *handle; struct plugin *next; }; #endif vde2-2.3.2+r586/src/kvde_switch/datasock.c0000644000000000000000000001356113614540472015016 0ustar /* Copyright 2005 Renzo Davoli - VDE-2 * --pidfile/-p and cleanup management by Mattia Belletti (C) 2004. * Licensed under the GPLv2 * Modified by Ludovico Gardenghi 2005 * -g option (group management) by Daniel P. Berrange * dir permission patch by Alessio Caprari 2006 */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define _GNU_SOURCE #include #include #include #include #include "../vde_switch/switch.h" #include "sockutils.h" #include "consmgmt.h" #include static struct swmodule swmi; static unsigned int ctl_type; static int mode = 0700; static char real_ctl_socket[PATH_MAX]; static char *ctl_socket = real_ctl_socket; static gid_t grp_owner = -1; #define MODULENAME "kernel module interface" static void handle_io(unsigned char type,int fd,int revents,void *arg) { /*here OOB messages will be delivered for debug options */ } static void cleanup(unsigned char type,int fd,void *unused) { unlink(ctl_socket); } static struct option long_options[] = { {"sock", 1, 0, 's'}, {"vdesock", 1, 0, 's'}, {"unix", 1, 0, 's'}, {"mod", 1, 0, 'm'}, {"group", 1, 0, 'g'}, {"tap", 1, 0, 't'}, {"grab", 1, 0, 'G'}, }; #define Nlong_options (sizeof(long_options)/sizeof(struct option)); static void usage(void) { printf( "(opts from datasock module)\n" " -s, --sock SOCK control directory pathname\n" " -s, --vdesock SOCK Same as --sock SOCK\n" " -s, --unix SOCK Same as --sock SOCK\n" " -m, --mod MODE Standard access mode for comm sockets (octal)\n" " -g, --group GROUP Group owner for comm sockets\n" " -t, --tap TAP Enable routing through TAP tap interface\n" " -G, --grab INT Enable routing grabbing an existing interface\n"); } struct extinterface { char type; char *name; struct extinterface *next; }; static struct extinterface *extifhead; static struct extinterface **extiftail=&extifhead; static void addextinterface(char type,char *name) { struct extinterface *new=malloc(sizeof (struct extinterface)); if (new) { new->type=type; new->name=strdup(name); new->next=NULL; *extiftail=new; extiftail=&(new->next); } } static void runextinterfaces(struct sockaddr_un *sun) { struct extinterface *iface,*oldiface; struct ifreq ifr; for (iface=extifhead;iface != NULL;iface=oldiface) { int kvdefd; memset(&ifr, 0, sizeof(ifr)); strncpy(ifr.ifr_name,iface->name,IFNAMSIZ); if (iface->type == 't') ifr.ifr_flags=IPN_NODEFLAG_TAP; else ifr.ifr_flags=IPN_NODEFLAG_GRAB; // printf("ioctl\n"); kvdefd = socket(AF_IPN,SOCK_RAW,IPN_VDESWITCH); if (kvdefd < 0) { kvdefd = socket(AF_IPN_STOLEN,SOCK_RAW,IPN_VDESWITCH); if (kvdefd < 0) { printlog(LOG_ERR,"kvde_switch grab/tap error socket"); exit(-1); } } if(bind(kvdefd, (struct sockaddr *) sun, sizeof(*sun)) < 0) { printlog(LOG_ERR,"cannot bind socket grab/tap"); exit(-1); } if (ioctl(kvdefd, IPN_CONN_NETDEV, (void *) &ifr) < 0) { printlog(LOG_ERR, "%s interface %s error: %s", iface->name, (iface->type == 't')?"tap":"grab",strerror(errno)); exit(-1); } free(iface->name); oldiface=iface->next; free(iface); } extifhead=NULL; } static int parseopt(int c, char *optarg) { int outc=0; struct group *grp; switch (c) { case 's': /* This should returns NULL as the path probably does not exist */ vde_realpath(optarg, ctl_socket); break; case 'm': sscanf(optarg,"%o",&mode); break; case 'g': if (!(grp = getgrnam(optarg))) { printlog(LOG_ERR, "No such group '%s'", optarg); exit(1); } grp_owner=grp->gr_gid; break; case 't': case 'G': addextinterface(c,optarg); break; default: outc=c; } return outc; } int check_kernel_support(void) { int kvdefd = socket(AF_IPN,SOCK_RAW,IPN_VDESWITCH); if (kvdefd < 0) { kvdefd = socket(AF_IPN_STOLEN,SOCK_RAW,IPN_VDESWITCH); if (kvdefd < 0) { printlog(LOG_ERR,"kvde_switch requires ipn and kvde_switch kernel modules loaded"); return(-1); } } close(kvdefd); return 0; } static void init(void) { int kvdefd; struct sockaddr_un sun; int family = AF_IPN; kvdefd = socket(AF_IPN,SOCK_RAW,IPN_VDESWITCH); if (kvdefd < 0) { family=AF_IPN_STOLEN; kvdefd = socket(AF_IPN_STOLEN,SOCK_RAW,IPN_VDESWITCH); if (kvdefd < 0) { printlog(LOG_ERR,"kvde_switch requires ipn and kvde_switch kernel modules loaded"); exit(-1); } } sun.sun_family = family; snprintf(sun.sun_path,sizeof(sun.sun_path),"%s",ctl_socket); if(bind(kvdefd, (struct sockaddr *) &sun, sizeof(sun)) < 0) { printlog(LOG_ERR,"cannot bind socket %s",ctl_socket); exit(-1); } if(chmod(ctl_socket, mode) <0) { printlog(LOG_ERR, "chmod: %s", strerror(errno)); exit(1); } if(chown(ctl_socket,-1,grp_owner) < 0) { printlog(LOG_ERR, "chown: %s", strerror(errno)); exit(1); } runextinterfaces(&sun); add_fd(kvdefd,ctl_type,NULL); } static int showinfo(FILE *fd) { printoutc(fd,"ctl dir %s",ctl_socket); printoutc(fd,"std mode 0%03o",mode); return 0; } static struct comlist cl[]={ {"ds","============","DATA SOCKET MENU",NULL,NOARG}, {"ds/showinfo","","show ds info",showinfo,NOARG|WITHFILE}, }; /* static void delep (int fd, void* data, void *descr) { if (fd>=0) remove_fd(fd); if (data) free(data); if (descr) free(descr); } */ void start_datasock(void) { strcpy(ctl_socket,(geteuid()==0)?VDESTDSOCK:VDETMPSOCK); swmi.swmnopts=Nlong_options; swmi.swmopts=long_options; swmi.usage=usage; swmi.parseopt=parseopt; swmi.init=init; swmi.handle_io=handle_io; swmi.cleanup=cleanup; ADDCL(cl); add_swm(&swmi); } vde2-2.3.2+r586/src/kvde_switch/datasock.h0000644000000000000000000000050613614540472015016 0ustar /* Copyright 2002 Jeff Dike * Licensed under the GPL */ #ifndef __DATASOCK_H__ #define __DATASOCK_H__ int send_datasock(int fd, int ctl_fd, void *packet, int len, void *unused, int port); int recv_datasock(int fd, void *packet, int maxlen, int port); int open_datasock(char *dev); int check_kernel_support(void); #endif vde2-2.3.2+r586/src/kvde_switch/kvde_switch.c0000644000000000000000000002407213614540472015536 0ustar /* Copyright 2005 Renzo Davoli VDE-2 * Licensed under the GPL * --pidfile/-p and cleanup management by Mattia Belletti. * some code remains from uml_switch Copyright 2001, 2002 Jeff Dike and others * Modified by Ludovico Gardenghi 2005 */ #include #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "../vde_switch/switch.h" #include "consmgmt.h" #include "datasock.h" time_t starting_time; static struct swmodule *swmh; char *prog; unsigned char switchmac[ETH_ALEN]; unsigned int priority=DEFAULT_PRIORITY; /* static int hash_size=INIT_HASH_SIZE; */ /* static int numports=INIT_NUMPORTS; */ static void recaddswm(struct swmodule **p,struct swmodule *new) { struct swmodule *this=*p; if (this == NULL) *p=new; else recaddswm(&(this->next),new); } void add_swm(struct swmodule *new) { static int lastlwmtag; new->swmtag= ++lastlwmtag; if (new != NULL && new->swmtag != 0) { new->next=NULL; recaddswm(&swmh,new); } } static void recdelswm(struct swmodule **p,struct swmodule *old) { struct swmodule *this=*p; if (this != NULL) { if(this == old) *p=this->next; else recdelswm(&(this->next),old); } } void del_swm(struct swmodule *old) { if (old != NULL) { recdelswm(&swmh,old); } } /* FD MGMT */ struct pollplus { unsigned char type; void *private_data; time_t timestamp; }; static int nfds = 0; static int nprio =0; static struct pollfd *fds = NULL; static struct pollplus **fdpp = NULL; static int maxfds = 0; static struct swmodule **fdtypes; static int ntypes; static int maxtypes; #define PRIOFLAG 0x80 #define TYPEMASK 0x7f #define ISPRIO(X) ((X) & PRIOFLAG) #define TYPE2MGR(X) (fdtypes[((X) & TYPEMASK)]) unsigned char add_type(struct swmodule *mgr,int prio) { int i; if(ntypes==maxtypes) { maxtypes = maxtypes ? 2 * maxtypes : 8; if (maxtypes > PRIOFLAG) { printlog(LOG_ERR,"too many file types"); exit(1); } if((fdtypes = realloc(fdtypes, maxtypes * sizeof(struct swmodule *))) == NULL){ printlog(LOG_ERR,"realloc fdtypes %s",strerror(errno)); exit(1); } memset(fdtypes+ntypes,0,sizeof(struct swmodule *) * maxtypes-ntypes); i=ntypes; } else for(i=0; fdtypes[i] != NULL; i++) ; fdtypes[i]=mgr; ntypes++; return i | ((prio != 0)?PRIOFLAG:0); } void del_type(unsigned char type) { type &= TYPEMASK; if (type < maxtypes) fdtypes[type]=NULL; ntypes--; } void add_fd(int fd,unsigned char type,void *private_data) { struct pollfd *p; int index; /* enlarge fds and g_fdsdata array if needed */ if(nfds == maxfds){ maxfds = maxfds ? 2 * maxfds : 8; if((fds = realloc(fds, maxfds * sizeof(struct pollfd))) == NULL){ printlog(LOG_ERR,"realloc fds %s",strerror(errno)); exit(1); } if((fdpp = realloc(fdpp, maxfds * sizeof(struct pollplus *))) == NULL){ printlog(LOG_ERR,"realloc pollplus %s",strerror(errno)); exit(1); } } if (ISPRIO(type)) { fds[nfds]=fds[nprio]; fdpp[nfds]=fdpp[nprio]; index=nprio; nprio++; } else index=nfds; if((fdpp[index]=malloc(sizeof(struct pollplus))) == NULL) { printlog(LOG_ERR,"realloc pollplus elem %s",strerror(errno)); exit(1); } p = &fds[index]; p->fd = fd; p->events = POLLIN | POLLHUP; fdpp[index]->type=type; fdpp[index]->private_data=private_data; nfds++; } static void file_cleanup(void) { int i; for(i = 0; i < nfds; i++) TYPE2MGR(fdpp[i]->type)->cleanup(fdpp[i]->type,fds[i].fd,fdpp[i]->private_data); } void remove_fd(int fd) { int i; for(i = 0; i < nfds; i++){ if(fds[i].fd == fd) break; } if(i == nfds){ printlog(LOG_WARNING,"remove_fd : Couldn't find descriptor %d", fd); } else { struct pollplus *old=fdpp[i]; TYPE2MGR(fdpp[i]->type)->cleanup(fdpp[i]->type,fds[i].fd,fdpp[i]->private_data); if (ISPRIO(fdpp[i]->type)) nprio--; memmove(&fds[i], &fds[i + 1], (maxfds - i - 1) * sizeof(struct pollfd)); memmove(&fdpp[i], &fdpp[i + 1], (maxfds - i - 1) * sizeof(struct pollplus *)); free(old); nfds--; } } static void main_loop() { time_t now; int n,i; while(1) { n=poll(fds,nfds,-1); now=time(NULL); if(n < 0){ if(errno != EINTR) printlog(LOG_WARNING,"poll %s",strerror(errno)); } else { for(i = 0; /*i < nfds &&*/ n>0; i++){ if(fds[i].revents != 0) { int prenfds=nfds; n--; fdpp[i]->timestamp=now; TYPE2MGR(fdpp[i]->type)->handle_io(fdpp[i]->type,fds[i].fd,fds[i].revents,fdpp[i]->private_data); if (nfds!=prenfds) /* the current fd has been deleted */ break; /* PERFORMANCE it is faster returning to poll */ } /* optimization: most used descriptors migrate to the head of the poll array */ } } } } /* starting/ending routines, main_loop, main*/ #define HASH_TABLE_SIZE_ARG 0x100 #define MACADDR_ARG 0x101 #define PRIORITY_ARG 0x102 static void Usage(void) { struct swmodule *p; printf( "Usage: vde_switch [OPTIONS]\n" "Runs a VDE switch.\n" "(global opts)\n" " -h, --help Display this help and exit\n" " -v, --version Display informations on version and exit\n" ); for(p=swmh;p != NULL;p=p->next) if (p->usage != NULL) p->usage(); printf( "\n" "Report bugs to "PACKAGE_BUGREPORT "\n" ); exit(1); } static void version(void) { printf( "VDE " PACKAGE_VERSION "\n" "Copyright 2003,2004,2005,2006,2007,2008 Renzo Davoli\n" "VDE comes with NO WARRANTY, to the extent permitted by law.\n" "You may redistribute copies of VDE under the terms of the\n" "GNU General Public License v2.\n" "For more information about these matters, see the files\n" "named COPYING.\n"); exit(check_kernel_support()); } static struct option *optcpy(struct option *tgt, struct option *src, int n, int tag) { int i; memcpy(tgt,src,sizeof(struct option) * n); for (i=0;inext) totopts += swmp->swmnopts; long_options=malloc(totopts * sizeof(struct option)); optstring=malloc(2 * totopts * sizeof(char)); if (long_options == NULL || optstring==NULL) exit(2); { /* fill-in the long_options fields */ int i; char *os=optstring; char last=0; struct option *opp=long_options; opp=optcpy(opp,global_options,N_global_options,0); for(swmp=swmh;swmp != NULL;swmp=swmp->next) opp=optcpy(opp,swmp->swmopts,swmp->swmnopts,swmp->swmtag); optcpy(opp,&optail,1,0); for (i=0;i ' ' && val <= '~' && val != last) { *os++=val; if(long_options[i].has_arg) *os++=':'; } } *os=0; } { /* Parse args */ int option_index = 0; int c; while (1) { c = GETOPT_LONG (argc, argv, optstring, long_options, &option_index); if (c == -1) break; c=parse_globopt(c,optarg); for(swmp=swmh;swmp != NULL && c!=0;swmp=swmp->next) { if (swmp->parseopt != NULL) { if((c >> 7) == 0) c=swmp->parseopt(c,optarg); else if ((c >> 16) == swmp->swmtag) swmp->parseopt(c & 0xffff,optarg),c=0; } } } } if(optind < argc) Usage(); free(long_options); free(optstring); } static void init_mods(void) { struct swmodule *swmp; /* Keep track of the initial cwd */ int cwfd = open(".", O_RDONLY); for(swmp=swmh;swmp != NULL;swmp=swmp->next) if (swmp->init != NULL) { swmp->init(); if (cwfd >= 0) /* Restore cwd so each module will be initialized with the * original cwd also if the previous one changed it. */ if(fchdir(cwfd) < 0) { printlog(LOG_WARNING,"Error restoring original working dir"); } } close(cwfd); } static void cleanup(void) { struct swmodule *swmp; file_cleanup(); for(swmp=swmh;swmp != NULL;swmp=swmp->next) if (swmp->cleanup != NULL) swmp->cleanup(0,-1,NULL); } static void sig_handler(int sig) { printlog(LOG_ERR,"Caught signal %d, cleaning up and exiting", sig); cleanup(); signal(sig, SIG_DFL); if (sig == SIGTERM) _exit(0); else kill(getpid(), sig); } static void setsighandlers() { /* setting signal handlers. * sets clean termination for SIGHUP, SIGINT and SIGTERM, and simply * ignores all the others signals which could cause termination. */ struct { int sig; const char *name; int ignore; } signals[] = { { SIGHUP, "SIGHUP", 0 }, { SIGINT, "SIGINT", 0 }, { SIGPIPE, "SIGPIPE", 1 }, { SIGALRM, "SIGALRM", 1 }, { SIGTERM, "SIGTERM", 0 }, { SIGUSR1, "SIGUSR1", 1 }, { SIGUSR2, "SIGUSR2", 1 }, { SIGPROF, "SIGPROF", 1 }, { SIGVTALRM, "SIGVTALRM", 1 }, #ifdef VDE_LINUX { SIGPOLL, "SIGPOLL", 1 }, #ifdef SIGSTKFLT { SIGSTKFLT, "SIGSTKFLT", 1 }, #endif { SIGIO, "SIGIO", 1 }, { SIGPWR, "SIGPWR", 1 }, #ifdef SIGUNUSED { SIGUNUSED, "SIGUNUSED", 1 }, #endif #endif #ifdef VDE_DARWIN { SIGXCPU, "SIGXCPU", 1 }, { SIGXFSZ, "SIGXFSZ", 1 }, #endif { 0, NULL, 0 } }; int i; for(i = 0; signals[i].sig != 0; i++) if(signal(signals[i].sig, signals[i].ignore ? 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you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation version 2.1 of the License, or (at * your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser * General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include #define BUFSIZE 1024 #define HISTORYSIZE 32 extern char *prompt; static char **commandlist; typedef ssize_t (* ssize_fun)(); ssize_fun vdehist_vderead=read; ssize_fun vdehist_vdewrite=write; ssize_fun vdehist_termread=read; ssize_fun vdehist_termwrite=write; #define HIST_COMMAND 0x0 #define HIST_NOCMD 0x1 #define HIST_PASSWDFLAG 0x80 struct vdehiststat { unsigned char status; unsigned char echo; unsigned char telnetprotocol; unsigned char edited; /* the linebuf has been modified (left/right arrow)*/ unsigned char vindata; /* 1 when in_data... (0000 end with .)*/ char lastchar; /* for double tag*/ char linebuf[BUFSIZE]; /*line buffer from the user*/ int bufindex; /*current editing position on the buf */ char vlinebuf[BUFSIZE+1]; /*line buffer from vde*/ int vbufindex; /*current editing position on the buf */ char *history[HISTORYSIZE]; /*history of the previous commands*/ int histindex; /* index on the history (changed with up/down arrows) */ int termfd; /* fd to the terminal */ int mgmtfd; /* mgmt fd to vde_switch */ }; char * nologin(char *cmd,int len,struct vdehiststat *st) { return NULL; } char * (* vdehist_logincmd)(char *cmd,int len,struct vdehiststat *s) =nologin; static int commonprefix(char *x, char *y,int maxlen) { int len=0; while (*(x++)==*(y++) && len0) { char **s=commandlist; while (*s) { if (strncmp(linebuf,*s,bufindex)==0) { nmatches++; fprintf(ms,"%s ",*s); } s++; } fprintf(ms,"\r\n"); } fclose(ms); if (nmatches > 1) vdehist_termwrite(termfd,buf,strlen(buf)); free(buf); } } static int tabexpand(char *linebuf,int bufindex,int maxlength) { if (commandlist && bufindex>0) { char **s=commandlist; int nmatches=0; int len=0; char *match=NULL; while (*s) { if (strncmp(linebuf,*s,bufindex)==0) { nmatches++; if (nmatches == 1) { match=*s; len=strlen(match); } else len=commonprefix(match,*s,len); } s++; } if (len > 0) { int alreadymatch=commonprefix(linebuf,match,len); //fprintf(stderr,"TAB %s %d -> %s %d already %d\n",linebuf,bufindex,match,len,alreadymatch); if ((len-alreadymatch)+strlen(linebuf) < maxlength) { memmove(linebuf+len,linebuf+alreadymatch, strlen(linebuf+alreadymatch)+1); memcpy(linebuf+alreadymatch,match+alreadymatch,len-alreadymatch); if (nmatches == 1 && linebuf[len] != ' ' && strlen(linebuf)+1 < maxlength) { memmove(linebuf+len+1,linebuf+len, strlen(linebuf+len)+1); linebuf[len]=' '; len++; } bufindex=len; } } } return bufindex; } #define CC_HEADER 0 #define CC_BODY 1 #define CC_TERM 2 static int qstrcmp(const void *a,const void *b) { return strcmp(*(char * const *)a,*(char * const *)b); } struct vh_readln { int readbufsize; int readbufindex; char readbuf[BUFSIZE]; }; static char *vdehist_readln(int vdefd,char *linebuf,int size,struct vh_readln *vlb) { int i; char lastch=' '; struct pollfd wfd={vdefd,POLLIN|POLLHUP,0}; i=0; do { if (vlb->readbufindex==vlb->readbufsize) { poll(&wfd,1,-1); if ((vlb->readbufsize=read(vdefd,vlb->readbuf,BUFSIZE)) <= 0) return NULL; vlb->readbufindex=0; } if (vlb->readbuf[vlb->readbufindex]==' ' && lastch=='$' && vlb->readbufindex==vlb->readbufsize-1) return NULL; lastch=linebuf[i]=vlb->readbuf[vlb->readbufindex]; i++;vlb->readbufindex++; } while (lastch!='\n' && i= 0) { int status=CC_HEADER; vdehist_vdewrite(vdefd,"help\n",5); while (status != CC_TERM && vdehist_readln(vdefd,linebuf,BUFSIZE,&readlnbuf) != NULL) { if (status == CC_HEADER) { if (strncmp(linebuf,"------------",12) == 0) status=CC_BODY; } else { if (strncmp(linebuf,".\n",2) == 0) status=CC_TERM; else { char *s=linebuf; while (*s!=' ' && *s != 0) s++; *s=0; /* take the first token */ /* test for menu header */ if (lastcommand) { if (strncmp(lastcommand,linebuf,strlen(lastcommand)) == 0 && linebuf[strlen(lastcommand)] == '/') free(lastcommand); else fwrite(&lastcommand, sizeof(char *), 1, ms); } lastcommand=strdup(linebuf); } } } if (lastcommand) fwrite(&lastcommand, sizeof(char *), 1, ms); lastcommand = NULL; fwrite(&lastcommand, sizeof(char *), 1, ms); fclose(ms); commandlist=(char **)buf; qsort(commandlist,(bufsize / sizeof(char *))-1,sizeof(char *),qstrcmp); } } static void erase_line(struct vdehiststat *st,int prompt_too) { int j; int size=st->bufindex+(prompt_too != 0)*strlen(prompt); char *buf; size_t bufsize; FILE *ms=open_memstream(&buf,&bufsize); if (ms) { for (j=0;jlinebuf)+(prompt_too != 0)*strlen(prompt); for (j=0;jtermfd,buf,bufsize); free(buf); } } static void redraw_line(struct vdehiststat *st,int prompt_too) { int j; int tail=strlen(st->linebuf)-st->bufindex; char *buf; size_t bufsize; FILE *ms=open_memstream(&buf,&bufsize); if (ms) { if (prompt_too) fprintf(ms,"%s%s",prompt,st->linebuf); else fprintf(ms,"%s",st->linebuf); for (j=0;jtermfd,buf,bufsize); free(buf); } } void vdehist_mgmt_to_term(struct vdehiststat *st) { char buf[BUFSIZE+1]; int n=0,ib=0; /* erase the input line */ erase_line(st,1); /* if the communication with the manager object holds, print the output*/ //fprintf(stderr,"mgmt2term\n"); if (st->mgmtfd) { n=vdehist_vderead(st->mgmtfd,buf,BUFSIZE); //fprintf(stderr,"mgmt2term n=%d\n",n); buf[n]=0; while (n>0) { for(ib=0;ibvlinebuf[(st->vbufindex)++]=buf[ib]; if (buf[ib] == '\n') { st->vlinebuf[(st->vbufindex)-1]='\r'; st->vlinebuf[(st->vbufindex)]='\n'; st->vlinebuf[(st->vbufindex)+1]='\0'; (st->vbufindex)++; if (st->vindata) { if (st->vlinebuf[0]=='.' && st->vlinebuf[1]=='\r') st->vindata=0; else vdehist_termwrite(st->termfd,st->vlinebuf,(st->vbufindex)); } else { char *message=st->vlinebuf; //fprintf(stderr,"MSG1 \"%s\"\n",message); while (*message != '\0' && !(isdigit(message[0]) && isdigit(message[1]) && isdigit(message[2]) && isdigit(message[3]))) message++; if (strncmp(message,"0000",4)==0) st->vindata=1; else if (isdigit(message[1]) && isdigit(message[2]) && isdigit(message[3])) { if(message[0]=='1') { message+=5; vdehist_termwrite(st->termfd,message,strlen(message)); } else if (message[0]=='3') { message+=5; vdehist_termwrite(st->termfd,"** DBG MSG: ",12); vdehist_termwrite(st->termfd,(message),strlen(message)); } } } (st->vbufindex)=0; } } n=vdehist_vderead(st->mgmtfd,buf,BUFSIZE); } } if (commandlist == NULL && st->mgmtfd >= 0) vdehist_create_commandlist(st->mgmtfd); /* redraw the input line */ redraw_line(st,1); } static int hist_sendcmd(struct vdehiststat *st) { char *cmd=st->linebuf; if (st->status != HIST_COMMAND) { cmd=vdehist_logincmd(cmd,st->bufindex,st); if (commandlist == NULL && st->mgmtfd >= 0) vdehist_create_commandlist(st->mgmtfd); if (cmd==NULL) return 0; } while (*cmd == ' ' || *cmd == '\t') cmd++; if (strncmp(cmd,"logout",6)==0) return 1; else { if (*cmd != 0) { write(st->mgmtfd,st->linebuf,st->bufindex); if (strncmp(cmd,"shutdown",8)==0) return 2; } vdehist_termwrite(st->termfd,"\r\n",2); vdehist_termwrite(st->termfd,prompt,strlen(prompt)); } if (commandlist != NULL && (strncmp(cmd,"plugin/add",10) == 0 || strncmp(cmd,"plugin/del",10) == 0)) { free(commandlist); commandlist=NULL; } return 0; } static void put_history(struct vdehiststat *st) { if(st->history[st->histindex]) free(st->history[st->histindex]); st->history[st->histindex]=strdup(st->linebuf); } static void get_history(int change,struct vdehiststat *st) { st->histindex += change; if(st->histindex < 0) st->histindex=0; if(st->histindex >= HISTORYSIZE) st->histindex=HISTORYSIZE-1; if(st->history[st->histindex] == NULL) (st->histindex)--; strcpy(st->linebuf,st->history[st->histindex]); st->bufindex=strlen(st->linebuf); } static void shift_history(struct vdehiststat *st) { if (st->history[HISTORYSIZE-1] != NULL) free(st->history[HISTORYSIZE-1]); memmove(st->history+1,st->history,(HISTORYSIZE-1)*sizeof(char *)); st->history[0]=NULL; } static void telnet_option_send3(int fd,int action,int object) { char opt[3]; opt[0]=0xff; opt[1]=action; opt[2]=object; vdehist_termwrite(fd,opt,3); } static int telnet_options(struct vdehiststat *st,unsigned char *s) { int action_n_object; if (st->telnetprotocol == 0) { st->telnetprotocol=1; st->echo=0; telnet_option_send3(st->termfd,WILL,TELOPT_ECHO); } int skip=2; s++; action_n_object=((*s)<<8) + (*(s+1)); switch (action_n_object) { case (DO<<8) + TELOPT_ECHO: //printf("okay echo\n"); st->echo=1; break; case (WILL<<8) + TELOPT_ECHO: telnet_option_send3(st->termfd,DONT,TELOPT_ECHO); telnet_option_send3(st->termfd,WILL,TELOPT_ECHO); break; case (DO<<8) + TELOPT_SGA: //printf("do sga -> okay will sga\n"); telnet_option_send3(st->termfd,WILL,TELOPT_SGA); break; case (WILL<<8) + TELOPT_TTYPE: //printf("will tty -> dont tty\n"); telnet_option_send3(st->termfd,DONT,TELOPT_TTYPE); break; default: //printf("not managed yet %x %x\n",*s,*(s+1)); if (*s == WILL) telnet_option_send3(st->termfd,DONT,*(s+1)); else if (*s == DO) telnet_option_send3(st->termfd,WONT,*(s+1)); } return skip; } int vdehist_term_to_mgmt(struct vdehiststat *st) { unsigned char buf[BUFSIZE]; int n,i,rv=0; n=vdehist_termread(st->termfd,buf,BUFSIZE); //printf("termto mgmt N%d %x %x %x %x\n",n,buf[0],buf[1],buf[2],buf[3]); if (n==0) return 1; else if (n<0) return n; else { for (i=0;ilinebuf)status == HIST_COMMAND) { st->edited=1; switch (buf[i+2]) { case 'A': //fprintf(stderr,"UP\n"); erase_line(st,0); put_history(st); get_history(1,st); redraw_line(st,0); st->bufindex=strlen(st->linebuf); break; case 'B': //fprintf(stderr,"DOWN\n"); erase_line(st,0); put_history(st); get_history(-1,st); redraw_line(st,0); break; case 'C': //fprintf(stderr,"RIGHT\n"); if (st->linebuf[st->bufindex] != '\0') { vdehist_termwrite(st->termfd,"\033[C",3); (st->bufindex)++; } break; case 'D': //fprintf(stderr,"LEFT\n"); if (st->bufindex > 0) { vdehist_termwrite(st->termfd,"\033[D",3); (st->bufindex)--; } break; } i+=3; } else i+=2;/* ignored */ } else if(buf[i] < 0x20 && !(buf[i] == '\n' || buf[i] == '\r')) { /*ctrl*/ if (buf[i] == 4) /*ctrl D is a shortcut for UNIX people! */ { rv=1; break; } switch (buf[i]) { case 3: /*ctrl C cleans the current buffer */ erase_line(st,0); st->bufindex=0; st->linebuf[(st->bufindex)]=0; break; case 12: /* ctrl L redraw */ erase_line(st,1); redraw_line(st,1); break; case 1: /* ctrl A begin of line */ erase_line(st,0); st->bufindex=0; redraw_line(st,0); break; case 5: /* ctrl E endofline */ erase_line(st,0); st->bufindex=strlen(st->linebuf); redraw_line(st,0); case '\t': /* tab */ if (st->lastchar== '\t') { erase_line(st,1); showexpand(st->linebuf,st->bufindex,st->termfd); redraw_line(st,1); } else { erase_line(st,0); st->bufindex=tabexpand(st->linebuf,st->bufindex,BUFSIZE); redraw_line(st,0); } break; } } else if(buf[i] == 0x7f) { if(st->bufindex > 0) { char *x; (st->bufindex)--; x=st->linebuf+st->bufindex; memmove(x,x+1,strlen(x)); if (st->echo && !(st->status & HIST_PASSWDFLAG)) { if (st->edited) vdehist_termwrite(st->termfd,"\010\033[P",4); else vdehist_termwrite(st->termfd,"\010 \010",3); } } } else { if (st->echo && !(st->status & HIST_PASSWDFLAG)) { if (st->edited && buf[i] >= ' ') vdehist_termwrite(st->termfd,"\033[@",3); vdehist_termwrite(st->termfd,&(buf[i]),1); } if (buf[i] != '\r') { if (buf[i]=='\n') { if (st->status == HIST_COMMAND) { st->histindex=0; put_history(st); if (strlen(st->linebuf) > 0) shift_history(st); } st->bufindex=strlen(st->linebuf); if ((rv=hist_sendcmd(st)) != 0) break; st->bufindex=st->edited=st->histindex=0; st->linebuf[(st->bufindex)]=0; } else { char *x; x=st->linebuf+st->bufindex; memmove(x+1,x,strlen(x)+1); st->linebuf[(st->bufindex)++]=buf[i]; } } } st->lastchar=buf[i]; } } return rv; } struct vdehiststat *vdehist_new(int termfd,int mgmtfd) { struct vdehiststat *st; if (commandlist == NULL && mgmtfd >= 0) vdehist_create_commandlist(mgmtfd); st=malloc(sizeof(struct vdehiststat)); if (st) { int i; if (mgmtfd < 0) st->status=HIST_NOCMD; else st->status=HIST_COMMAND; st->echo=1; st->telnetprotocol=0; st->bufindex=st->edited=st->histindex=st->vbufindex=st->vindata=st->lastchar=0; st->linebuf[(st->bufindex)]=0; st->vlinebuf[(st->vbufindex)]=0; st->termfd=termfd; st->mgmtfd=mgmtfd; for (i=0;ihistory[i]=0; } return st; } void vdehist_free(struct vdehiststat *st) { if (st) { int i; for (i=0;ihistory[i]) free(st->history[i]); free(st); } } int vdehist_getstatus(struct vdehiststat *st) { return st->status; } void vdehist_setstatus(struct vdehiststat *st,int status) { st->status=status; } int vdehist_gettermfd(struct vdehiststat *st) { return st->termfd; } int vdehist_getmgmtfd(struct vdehiststat *st) { return st->mgmtfd; } void vdehist_setmgmtfd(struct vdehiststat *st,int mgmtfd) { st->mgmtfd=mgmtfd; } vde2-2.3.2+r586/src/lib/libvdemgmt.c0000644000000000000000000002747113614540472013620 0ustar /* * Copyright (C) 2007 - Luca Bigliardi * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #define OPENMACHINE_RC VDE_RC_DIR"/libvdemgmt/openmachine.rc" #define CLOSEMACHINE_RC VDE_RC_DIR"/libvdemgmt/closemachine.rc" #define SENDCMD_RC VDE_RC_DIR"/libvdemgmt/sendcmd.rc" #define ASYNCRECV_RC VDE_RC_DIR"/libvdemgmt/asyncrecv.rc" #define DEBUGADD "debug/add" #define DEBUGDEL "debug/del" #define CHECK(expr, errval) { char errstr[1024]; if ((expr) == (errval)) { sprintf(errstr, "%s %d %ld", __func__, __LINE__, (long int)errval); perror(errstr); goto error; } } #define CHECKNOT(expr, errval) { char errstr[1024]; if ((expr) != (errval)) { sprintf(errstr, "%s %d %ld", __func__, __LINE__, (long int)errval); perror(errstr); goto error; } } #define DATATAG 1 #define ASYNTAG 3 #define SKIPHEAD 5 #define DBGM 0 struct asynctab { const char *event; void (*callback)(const char *event, const int tag, const char *data); struct asynctab *next; }; struct vdemgmt { int fd; struct asynctab *atab; struct utm_buf *pbuf; const char *banner; const char *prompt; const char *version; struct utm *open_utm; struct utm *close_utm; struct utm *sendcmd_utm; struct utm *asyncrecv_utm; }; /* * INTERNAL */ struct asynctab *atab_find(struct asynctab *atab, const char *event) { if(!atab) return atab; if(!strncmp(atab->event, event, strlen(atab->event))) return atab; else return atab_find(atab->next, event); } struct asynctab *atab_add(struct asynctab *atab, struct asynctab *new) { if(!atab){ new->next=atab; return new; }else{ atab->next=atab_add(atab->next, new); return atab; } } struct asynctab *atab_del(struct asynctab *atab, const char *event) { if(!atab) return atab; if(!strncmp(atab->event, event, strlen(atab->event))){ struct asynctab *t=atab->next; free(atab); return t; } else { atab->next=atab_del(atab->next, event); return atab; } } static int qstrcmp(const void *a,const void *b) { return strcmp(*(char * const *)a,*(char * const *)b); } /* * INTERFACE */ /* open vdemgmt connection */ struct vdemgmt *vdemgmt_open(const char *path) { struct sockaddr_un sun; struct vdemgmt *conn = NULL; struct utm_out *out; int myargc=0; char *myargv = NULL, *sep; /* vdemgmt connection struct */ CHECK( conn = (struct vdemgmt*)malloc(sizeof(struct vdemgmt)) , NULL ); memset(conn, 0, sizeof(struct vdemgmt)); CHECK( conn->pbuf = (struct utm_buf*)malloc(sizeof(struct utm_buf)) , NULL ); memset(conn->pbuf, 0, sizeof(struct utm_buf)); CHECK(conn->open_utm = utm_alloc(OPENMACHINE_RC), NULL); CHECK(conn->close_utm = utm_alloc(CLOSEMACHINE_RC), NULL); CHECK(conn->sendcmd_utm = utm_alloc(SENDCMD_RC), NULL); CHECK(conn->asyncrecv_utm = utm_alloc(ASYNCRECV_RC), NULL); /* connect to management socket (non block fd) */ sun.sun_family=PF_UNIX; snprintf(sun.sun_path,sizeof(sun.sun_path),"%s", path); conn->fd = socket(PF_UNIX,SOCK_STREAM,0); CHECK( fcntl(conn->fd, F_SETFL, O_NONBLOCK) , -1 ); CHECK( connect(conn->fd,(struct sockaddr *)(&sun),sizeof(sun)) , -1 ); conn->atab = NULL; /* get welcome data */ out=utmout_alloc(); CHECK( utm_run(conn->open_utm,conn->pbuf,conn->fd,myargc,&myargv,out,DBGM), -1 ); /* split banner / prompt and extract version */ for( sep=out->buf+out->sz-1 ; ! strstr(sep, "\n") ; sep--); conn->banner = strndup(out->buf, sep - out->buf-1); conn->prompt = strndup(sep+1, (out->buf+out->sz)-sep+1); sep=strstr(conn->banner, "V.")+2; conn->version = strndup(sep, strstr(sep, "\n")-sep); utmout_free(out); return conn; error: if(conn){ if(conn->pbuf){ if(conn->pbuf->buf) free(conn->pbuf->buf); free(conn->pbuf); } if(conn->fd) close(conn->fd); free(conn); } return NULL; } /* close vdemgmt connection */ void vdemgmt_close(struct vdemgmt *conn) { int myargc=0; char *myargv = NULL; struct utm_out *out; /* Deactivate all async events */ while(conn->atab) vdemgmt_asyncunreg(conn, conn->atab->event); /* logout */ out=utmout_alloc(); utm_run(conn->close_utm,conn->pbuf,conn->fd,myargc,&myargv,out,DBGM); utmout_free(out); close(conn->fd); if(conn->pbuf->buf) free(conn->pbuf->buf); free(conn->pbuf); free((char *)conn->banner); free((char *)conn->prompt); free((char *)conn->version); free(conn->open_utm); free(conn->close_utm); free(conn->sendcmd_utm); free(conn->asyncrecv_utm); free(conn); } /* return file descriptor of vdemgmt connection */ int vdemgmt_getfd(struct vdemgmt *conn) { if(conn) return conn->fd; else return -1; } /* send command cmd and wait for its output */ int vdemgmt_sendcmd(struct vdemgmt *conn, const char *cmd, struct vdemgmt_out *out) { int rv=-1, myargc=0; char *token, *dupcmd, *dupcmd_bck, **myargv = NULL; struct utm_out *utmout, *p; struct asynctab *t=NULL; /* create myargv array from cmd */ for( dupcmd_bck=dupcmd=strdup(cmd) ; ; dupcmd=NULL){ token = strtok(dupcmd, " "); myargv=realloc(myargv, (myargc+1)*sizeof(char *)); if(!myargv) exit(1); myargv[myargc]=token; if( !token ) break; myargc++; }; /* send command using machine */ utmout=utmout_alloc(); rv=utm_run(conn->sendcmd_utm,conn->pbuf,conn->fd,myargc,myargv,utmout,DBGM); free(myargv); free(dupcmd_bck); /* scan machine data for sync and async output */ p=utmout; while(p) { if( (p->tag == DATATAG) && out) { out->sz = p->sz; out->buf=(char *)malloc(p->sz*sizeof(char)); if(!out->buf) { perror(__func__); exit(-1);} memcpy(out->buf, p->buf, p->sz); } if( p->tag == ASYNTAG ){ t=atab_find(conn->atab, p->buf+SKIPHEAD); if(t) t->callback(t->event, rv, p->buf+strlen(t->event)+SKIPHEAD+1); } p=p->next; } utmout_free(utmout); return rv; } /* free outbuffer returned by vdemgmt_sendcmd */ void vdemgmt_freeout(struct vdemgmt_out *out) { if(out){ if(out->buf) free(out->buf); free(out); } } /* reset outbuffer after vdemgmt_sendcmd, */ void vdemgmt_rstout(struct vdemgmt_out *out) { if(out){ if(out->buf) free(out->buf); out->buf = NULL; out->sz = 0; } } /* register func as handler for asyncronous output received with command cmd */ int vdemgmt_asyncreg(struct vdemgmt *conn, const char *event, void (*callback)(const char *event, const int tag, const char *data) ) { struct asynctab *new = NULL; char *swcmd = NULL; int rv=-1; if( atab_find(conn->atab, event) ) return rv; /* Activate debug */ CHECK( asprintf(&swcmd,"%s %s",DEBUGADD,event) , -1 ); CHECKNOT( rv=vdemgmt_sendcmd(conn, swcmd , NULL) , 0); free(swcmd); swcmd=NULL; /* Add callback function to connection's async tab */ CHECK( new = (struct asynctab*)malloc(sizeof(struct asynctab)) , NULL ); memset(new, 0, sizeof(struct asynctab)); new->event = strdup(event); new->callback = callback; new->next = NULL; conn->atab=atab_add(conn->atab, new); return 0; error: if(swcmd) free(swcmd); return rv; } /* unregister asyncronous output callback for command cmd */ void vdemgmt_asyncunreg(struct vdemgmt *conn, const char *event) { char *swcmd = NULL; /* Dectivate debug on switch */ CHECK( asprintf(&swcmd,"%s %s",DEBUGDEL,event) , -1 ); CHECKNOT( vdemgmt_sendcmd(conn, swcmd , NULL) , 0); error: if(swcmd) free(swcmd); conn->atab=atab_del(conn->atab, event); } /* handle asyncronous output */ void vdemgmt_asyncrecv(struct vdemgmt *conn) { int myargc=0; int prevpos=0; int outtag=0; char *myargv=NULL; struct utm_out *out; struct asynctab *t; out=utmout_alloc(); /* run async machine and call the handler for the event */ do { outtag=utm_run(conn->asyncrecv_utm,conn->pbuf,conn->fd,myargc,&myargv,out,DBGM); CHECK( outtag, -1 ); t=atab_find(conn->atab, out->buf+SKIPHEAD); if(t) t->callback(t->event, outtag, out->buf+strlen(t->event)+SKIPHEAD+1+prevpos); prevpos = conn->pbuf->pos; free(out->buf) ; out->buf = NULL ; out->sz = 0; } while ( conn->pbuf->len > conn->pbuf->pos ); error: utmout_free(out); } const char *vdemgmt_getbanner(struct vdemgmt *conn) { return conn->banner; } const char *vdemgmt_getprompt(struct vdemgmt *conn) { return conn->prompt; } const char *vdemgmt_getversion(struct vdemgmt *conn) { return conn->version; } char **vdemgmt_commandlist(struct vdemgmt *conn) { int i=0, j, ncommands; char *p=NULL, *s=NULL, **out=NULL, *es=""; struct vdemgmt_out buf; memset(&buf, 0, sizeof(struct vdemgmt_out)); CHECKNOT(vdemgmt_sendcmd(conn, "help", &buf), 0); p=buf.buf; /* skip head */ while(strncmp(p,"------------",12)) p++; p=strstr(p,"\n")+2; /* extract command list */ while( p < buf.buf + buf.sz){ s=p; while (*s && *s!=' ' && *s!='\t') s++; out=realloc(out, (i+1)*sizeof(char *)); out[i]=strndup(p, s-p); p=strstr(p, "\n")+2; i++; } ncommands=i; /* delete menu entries */ for(j=0; jpbuf->buf + conn->pbuf->pos, conn->pbuf->len - conn->pbuf->pos); printf("\n--end parsebuf--\n"); printf("--banner is--\n%s\n--\n", vdemgmt_getbanner(conn)); printf("--prompt is--\n%s\n--\n", vdemgmt_getprompt(conn)); printf("--version is--\n%s\n--\n", vdemgmt_getversion(conn)); rv = vdemgmt_sendcmd(conn, "port/allprint", NULL); printf("--null send done--\n"); printf("--parsebuf--\n"); write(1, conn->pbuf->buf + conn->pbuf->pos, conn->pbuf->len - conn->pbuf->pos); printf("\n--end parsebuf--\n"); rv = vdemgmt_sendcmd(conn, "fstp/print", &buf); printf("--send done--\n"); write(1, buf.buf, buf.sz); printf("--async reg--\n"); rv=vdemgmt_asyncreg(conn, "fstp/root", &handle); printf("--return is: %d\n", rv); vdemgmt_rstout(&buf); vdemgmt_sendcmd(conn, "debug/list", &buf); write(1, buf.buf, buf.sz); printf("--async re-reg--\n"); rv=vdemgmt_asyncreg(conn, "fstp/root", &handle); printf("--return is: %d\n", rv); printf("--begin cycle\n"); for(i=0; i < 3; i++){ struct pollfd pfd={vdemgmt_getfd(conn), POLLIN, 0}; poll(&pfd,1,-1); vdemgmt_asyncrecv(conn); } printf("--end cycle\n"); printf("--async unreg--\n"); vdemgmt_asyncunreg(conn, "fstp/root"); vdemgmt_rstout(&buf); vdemgmt_sendcmd(conn, "debug/list", &buf); write(1, buf.buf, buf.sz); vdemgmt_close(conn); return rv; } */ vde2-2.3.2+r586/src/lib/libvdeplug.c0000644000000000000000000005155113614540472013617 0ustar /* * libvdeplug - A library to connect to a VDE Switch. * Copyright (C) 2006 Renzo Davoli, University of Bologna * (c) 2010 Renzo Davoli - stream + point2point * (c) 2011 Renzo Davoli - udpconnect * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation version 2.1 of the License, or (at * your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser * General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define CONNECTED_P2P /* Per-User standard switch definition */ /* This will be prefixed by getenv("HOME") */ /* it can be a symbolic link to the switch dir */ #define STDSWITCH "/.vde2/default.switch" /* deprecated old name */ #define STDSOCK "/.vde2/stdsock" #ifdef USE_IPN #if 0 /* AF_IPN has not been officially assigned yet we "steal" unused AF_NETBEUI in the meanwhile this code will be uncommented when AF_IPN is assigned. */ #ifndef AF_IPN #define AF_IPN 0 /* IPN sockets: */ #define PF_IPN AF_IPN #endif #endif #ifndef AF_NETBEUI #ifdef PF_NETBEUI #define AF_NETBEUI PF_NETBEUI #else #define AF_NETBEUI 13 #endif #endif #define AF_IPN_STOLEN AF_NETBEUI /* IPN temporary sockets */ #define PF_IPN_STOLEN AF_IPN_STOLEN #define IPN_ANY 0 #define IPN_SO_PORT 0 #define IPN_SO_DESCR 1 #endif #ifndef MIN #define MIN(X,Y) (((X)<(Y))?(X):(Y)) #endif /* Fallback names for the control socket, NULL-terminated array of absolute * filenames. */ char *fallback_sockname[] = { "/var/run/vde.ctl/ctl", "/tmp/vde.ctl/ctl", "/tmp/vde.ctl", NULL, }; /* Fallback directories for the data socket, NULL-terminated array of absolute * directory names, with no trailing /. */ const char *fallback_dirname[] = { "/var/run", "/var/tmp", "/tmp", NULL, }; struct vdeconn { int fdctl; int fddata; char *inpath; size_t outlen; struct sockaddr *outsock; }; #define SWITCH_MAGIC 0xfeedface #define MAXDESCR 128 #define VDEFLAG_P2P_SOCKET 1 #define VDEFLAG_UDP_SOCKET 2 #define VDEFLAG_P2P (VDEFLAG_P2P_SOCKET | VDEFLAG_UDP_SOCKET) enum request_type { REQ_NEW_CONTROL, REQ_NEW_PORT0 }; struct request_v3 { uint32_t magic; uint32_t version; enum request_type type; struct sockaddr_un sock; char description[MAXDESCR]; } __attribute__((packed)); VDECONN *vde_open_real(char *given_sockname, char *descr,int interface_version, struct vde_open_args *open_args) { struct vdeconn *conn=NULL; struct passwd *callerpwd; struct request_v3 req; int pid = getpid(); int port=0; char *group=NULL; mode_t mode=0700; int sockno=0; int flags=0; int res; char *std_sockname=NULL; char *real_sockname=NULL; char *sockname=NULL; char *ssh_client = getenv("SSH_CLIENT"); int descrlen; if (open_args != NULL) { if (interface_version == 1) { port=open_args->port; group=open_args->group; mode=open_args->mode; if (port == -1) flags |= VDEFLAG_P2P_SOCKET; } else { errno=EINVAL; goto abort; } } memset(&req, 0, sizeof(req)); if ((std_sockname=(char *)calloc(PATH_MAX,sizeof(char)))==NULL) { errno=ENOMEM; goto abort; } if ((real_sockname=(char *)calloc(PATH_MAX,sizeof(char)))==NULL) { errno=ENOMEM; goto abort; } sockname = real_sockname; if ((conn=calloc(1,sizeof(struct vdeconn)))==NULL) { errno=ENOMEM; goto abort; } conn->fdctl=conn->fddata=-1; //get the login name callerpwd=getpwuid(getuid()); req.type = REQ_NEW_CONTROL; if (given_sockname == NULL || *given_sockname == '\0') { char *homedir = getenv("HOME"); given_sockname = NULL; if (homedir) { struct stat statbuf; snprintf(std_sockname, PATH_MAX, "%s%s", homedir, STDSWITCH); if (lstat(std_sockname,&statbuf)==0) given_sockname = std_sockname; else { snprintf(std_sockname, PATH_MAX, "%s%s", homedir, STDSOCK); if (lstat(std_sockname,&statbuf)==0) given_sockname = std_sockname; } } } else { char *split; if((split = strstr(given_sockname,"->")) != NULL && strrchr(split,':') != NULL) flags |= VDEFLAG_UDP_SOCKET; else if(given_sockname[strlen(given_sockname)-1] == ']' && (split=strrchr(given_sockname,'[')) != NULL) { *split=0; split++; port=atoi(split); if (*split==']') flags |= VDEFLAG_P2P_SOCKET; else if (port == 0) req.type = REQ_NEW_PORT0; if (*given_sockname==0) given_sockname = NULL; } } /* Canonicalize the sockname: we need to send an absolute pathname to the * switch (we don't know its cwd) for the data socket. Appending * given_sockname to getcwd() would be enough, but we could end up with a * name longer than PATH_MAX that couldn't be used as sun_path. */ if (given_sockname && !(flags & VDEFLAG_P2P) && vde_realpath(given_sockname, real_sockname) == NULL) goto abort; #ifdef USE_IPN #if 0 /* AF_IPN has not been officially assigned yet we "steal" unused AF_NETBEUI in the meanwhile this code will be uncommented when AF_IPN is assigned. */ if((conn->fddata = socket(AF_IPN,SOCK_RAW,IPN_ANY)) >= 0) { /* IPN service exists */ sockun.sun_family = AF_IPN; } #endif if((flags & VDEFLAG_P2P) == 0 && (conn->fddata = socket(AF_IPN_STOLEN,SOCK_RAW,IPN_ANY)) >= 0) { struct sockaddr_un sockun; memset(&sockun, 0, sizeof(sockun)); /* IPN_STOLEN service exists */ sockun.sun_family = AF_IPN_STOLEN; if (port != 0 || req.type == REQ_NEW_PORT0) setsockopt(conn->fddata,0,IPN_SO_PORT,&port,sizeof(port)); /* If we're given a sockname, just try it */ if (given_sockname) { snprintf(sockun.sun_path, sizeof(sockun.sun_path), "%s", sockname); res = connect(conn->fddata, (struct sockaddr *) &sockun, sizeof(sockun)); } /* Else try all the fallback socknames, one by one */ else { int i; for (i = 0, res = -1; fallback_sockname[i] && (res != 0); i++) { snprintf(sockun.sun_path, sizeof(sockun.sun_path), "%s", fallback_sockname[i]); res = connect(conn->fddata, (struct sockaddr *) &sockun, sizeof(sockun)); } } /* If one of the connect succeeded, we're done */ if (res == 0) { int descrlen=snprintf(req.description,MAXDESCR,"%s user=%s PID=%d", descr,(callerpwd != NULL)?callerpwd->pw_name:"??", pid); if (ssh_client) { char *endofip=strchr(ssh_client,' '); if (endofip) *endofip=0; snprintf(req.description+descrlen,MAXDESCR-descrlen, " SSH=%s", ssh_client); if (endofip) *endofip=' '; } setsockopt(conn->fddata,0,IPN_SO_DESCR,req.description, strlen(req.description+1)); conn->fdctl=-1; goto cleanup; } else close(conn->fddata); } #endif /* UDP connection */ if (flags & VDEFLAG_UDP_SOCKET) { struct addrinfo hints; struct addrinfo *result,*rp; int s; char *dst=strstr(given_sockname,"->"); char *src=given_sockname; char *srcport; char *dstport; memset(&hints,0,sizeof(hints)); hints.ai_socktype=SOCK_DGRAM; *dst=0; dst+=2; dstport=strrchr(dst,':'); if (dstport==NULL) { errno=EINVAL; goto abort; } *dstport=0; dstport++; srcport=strrchr(src,':'); if (srcport==NULL) { srcport=src; src=NULL; } //fprintf(stderr,"UDP!%s:%s -> %s:%s \n",src,srcport,dst,dstport); hints.ai_flags = AI_PASSIVE; s = getaddrinfo(src, srcport, &hints, &result); if (s != 0) { errno=ECONNABORTED; goto abort; } for (rp = result; rp != NULL; rp = rp->ai_next) { conn->fddata = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); if (conn->fddata == -1) continue; if (bind(conn->fddata, rp->ai_addr, rp->ai_addrlen) == 0) break; /* Success */ close(conn->fddata); } if (rp == NULL) { errno=ECONNABORTED; goto abort; } freeaddrinfo(result); hints.ai_flags = 0; s = getaddrinfo(dst, dstport, &hints, &result); if (s != 0) { errno=ECONNABORTED; goto abort; } /* for now it takes the first */ conn->outlen = result->ai_addrlen; conn->outsock = malloc(result->ai_addrlen); memcpy(conn->outsock, result->ai_addr, result->ai_addrlen); freeaddrinfo(result); goto cleanup; } /* define a female socket for point2point connection */ if (flags & VDEFLAG_P2P_SOCKET) { struct stat sockstat; struct sockaddr_un sockun; struct sockaddr_un *sockout; memset(&sockun, 0, sizeof(sockun)); if(given_sockname == NULL) { errno = EINVAL; goto abort; } strcpy(sockname,given_sockname); /* XXX canonicalize should be better */ if((conn->fddata = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0) goto abort; sockun.sun_family = AF_UNIX; memset(sockun.sun_path,0,sizeof(sockun.sun_path)); snprintf(sockun.sun_path, sizeof(sockun.sun_path)-1, "%s", sockname); /* the socket already exists */ if(stat(sockun.sun_path,&sockstat) == 0) { if (S_ISSOCK(sockstat.st_mode)) { /* the socket is already in use */ res = connect(conn->fddata, (struct sockaddr *) &sockun, sizeof(sockun)); if (res >= 0) { errno = EADDRINUSE; goto abort; } if (errno == ECONNREFUSED) unlink(sockun.sun_path); } } res = bind(conn->fddata, (struct sockaddr *) &sockun, sizeof(sockun)); if (res < 0) goto abort; conn->inpath=strdup(sockun.sun_path); conn->outlen = sizeof(struct sockaddr_un); conn->outsock = (struct sockaddr *) (sockout = calloc(1,sizeof(struct sockaddr_un))); if (conn->outsock ==NULL) goto abort; sockout->sun_family = AF_UNIX; snprintf(sockout->sun_path, sizeof(sockun.sun_path), "%s+", sockname); if (group) { struct group *gs; gid_t gid; if ((gs=getgrnam(group)) == NULL) gid=atoi(group); else gid=gs->gr_gid; chown(sockun.sun_path,-1,gid); } chmod(sockun.sun_path,mode); goto cleanup; } else { struct sockaddr_un sockun; struct sockaddr_un dataout; memset(&sockun, 0, sizeof(sockun)); memset(&dataout, 0, sizeof(dataout)); /* connection to a vde_switch */ if((conn->fdctl = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) goto abort; if((conn->fddata = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0) goto abort; sockun.sun_family = AF_UNIX; /* If we're given a sockname, just try it (remember: sockname is the * canonicalized version of given_sockname - though we don't strictly need * the canonicalized versiono here). sockname should be the name of a * *directory* which contains the control socket, named ctl. Older * versions of VDE used a socket instead of a directory (so an additional * attempt with %s instead of %s/ctl could be made), but they should * really not be used anymore. */ if (given_sockname) { snprintf(sockun.sun_path, sizeof(sockun.sun_path), "%s/ctl", sockname); res = connect(conn->fdctl, (struct sockaddr *) &sockun, sizeof(sockun)); } /* Else try all the fallback socknames, one by one */ else { int i; for (i = 0, res = -1; fallback_sockname[i] && (res != 0); i++) { /* Remember sockname for the data socket directory */ sockname = fallback_sockname[i]; snprintf(sockun.sun_path, sizeof(sockun.sun_path), "%s", sockname); res = connect(conn->fdctl, (struct sockaddr *) &sockun, sizeof(sockun)); } } if (res != 0) { struct stat sockstat; /* define a male plug for point2point connection */ if (!given_sockname) goto abort; snprintf(sockun.sun_path, sizeof(sockun.sun_path), "%s", sockname); res = connect(conn->fddata, (struct sockaddr *) &sockun, sizeof(sockun)); if (res < 0) goto abort; snprintf(sockun.sun_path, sizeof(sockun.sun_path), "%s+", sockname); if(stat(sockun.sun_path,&sockstat) == 0) { if (S_ISSOCK(sockstat.st_mode)) { /* the socket is already in use */ res = connect(conn->fddata, (struct sockaddr *) &sockun, sizeof(sockun)); if (res >= 0) { errno = EADDRINUSE; goto abort; } if (errno == ECONNREFUSED) unlink(sockun.sun_path); } } res = bind(conn->fddata, (struct sockaddr *) &sockun, sizeof(sockun)); if (res < 0) goto abort; conn->inpath=strdup(sockun.sun_path); if (group) { struct group *gs; gid_t gid; if ((gs=getgrnam(group)) == NULL) gid=atoi(group); else gid=gs->gr_gid; chown(sockun.sun_path,-1,gid); } chmod(sockun.sun_path,mode); close(conn->fdctl); conn->fdctl=-1; goto cleanup; } req.magic=SWITCH_MAGIC; req.version=3; req.type=req.type+(port << 8); req.sock.sun_family=AF_UNIX; /* First choice, store the return socket from the switch in the control * dir. We assume that given_sockname (hence sockname) is a directory. * Should be a safe assumption unless someone modifies the previous group * of connect() attempts (see the comments above for more information). */ memset(req.sock.sun_path, 0, sizeof(req.sock.sun_path)); do { /* Here sockname is the last successful one in the previous step. */ sprintf(req.sock.sun_path, "%s/.%05d-%05d", sockname, pid, sockno++); res=bind(conn->fddata, (struct sockaddr *) &req.sock, sizeof (req.sock)); } while (res < 0 && errno == EADDRINUSE); /* It didn't work. So we cycle on the fallback directories until we find a * suitable one (or the list ends). */ if (res < 0) { int i; for (i = 0, res = -1; fallback_dirname[i] && (res != 0); i++) { memset(req.sock.sun_path, 0, sizeof(req.sock.sun_path)); do { sprintf(req.sock.sun_path, "%s/vde.%05d-%05d", fallback_dirname[i], pid, sockno++); res = bind(conn->fddata, (struct sockaddr *) &req.sock, sizeof (req.sock)); } while (res < 0 && errno == EADDRINUSE); } } /* Nothing worked, so cleanup and return with an error. */ if (res < 0) goto abort; conn->inpath=strdup(req.sock.sun_path); if (group) { struct group *gs; gid_t gid; if ((gs=getgrnam(group)) == NULL) gid=atoi(group); else gid=gs->gr_gid; chown(req.sock.sun_path,-1,gid); } else { /* when group is not defined, set permission for the reverse channel */ struct stat ctlstat; /* if no permission gets "voluntarily" granted to the socket */ if ((mode & 077) == 0) { if (stat(sockun.sun_path, &ctlstat) == 0) { /* if the switch is owned by root or by the same user it should work 0700 */ if (ctlstat.st_uid != 0 && ctlstat.st_uid != geteuid()) { /* try to change the group ownership to the same of the switch */ /* this call succeeds if the vde user and the owner of the switch belong to the group */ if (chown(req.sock.sun_path,-1,ctlstat.st_gid) == 0) mode |= 070; else mode |= 077; } } } } chmod(req.sock.sun_path,mode); #ifdef DESCR_INCLUDE_SOCK descrlen=snprintf(req.description,MAXDESCR,"%s user=%s PID=%d SOCK=%s", descr,(callerpwd != NULL)?callerpwd->pw_name:"??", pid,req.sock.sun_path); #else descrlen=snprintf(req.description,MAXDESCR,"%s user=%s PID=%d", descr,(callerpwd != NULL)?callerpwd->pw_name:"??", pid); #endif if (ssh_client) { char *endofip=strchr(ssh_client,' '); if (endofip) *endofip=0; snprintf(req.description+descrlen,MAXDESCR-descrlen," SSH=%s", ssh_client); if (endofip) *endofip=' '; } if (send(conn->fdctl,&req,sizeof(req)-MAXDESCR+strlen(req.description),0)<0) goto abort; if (recv(conn->fdctl,&dataout,sizeof(struct sockaddr_un),0)<0) goto abort; if (connect(conn->fddata,(struct sockaddr *)&dataout,sizeof(struct sockaddr_un))<0) goto abort; chmod(dataout.sun_path,mode); goto cleanup; } abort: { int err=errno; if (conn) { if (conn->fdctl >= 0) close(conn->fdctl); if (conn->fddata >= 0) close(conn->fddata); if (conn->inpath != NULL) unlink(conn->inpath); if (conn->outsock != NULL) free(conn->outsock); free(conn); } conn = NULL; errno=err; } cleanup: { int err=errno; if (std_sockname) free(std_sockname); if (real_sockname) free(real_sockname); errno = err; } return conn; } ssize_t vde_recv(VDECONN *conn,void *buf,size_t len,int flags) { #ifdef CONNECTED_P2P ssize_t retval; if (__builtin_expect(conn!=0,1)) { if (__builtin_expect(((retval=recv(conn->fddata,buf,len,0)) > 0), 1)) return retval; else { if (retval == 0 && conn->outsock != NULL) { static struct sockaddr unspec={AF_UNSPEC}; connect(conn->fddata,&unspec,sizeof(unspec)); } return retval; } } else { errno=EBADF; return -1; } #else if (__builtin_expect(conn!=0,1)) return recv(conn->fddata,buf,len,0); else { errno=EBADF; return -1; } #endif } ssize_t vde_send(VDECONN *conn,const void *buf,size_t len,int flags) { #ifdef CONNECTED_P2P if (__builtin_expect(conn!=0,1)) { ssize_t retval; if (__builtin_expect(((retval=send(conn->fddata,buf,len,0)) >= 0),1)) return retval; else { if (__builtin_expect(errno == ENOTCONN || errno == EDESTADDRREQ,0)) { if (__builtin_expect(conn->outsock != NULL,1)) { connect(conn->fddata, conn->outsock,conn->outlen); return send(conn->fddata,buf,len,0); } else return retval; } else return retval; } } else { errno=EBADF; return -1; } #else if (__builtin_expect(conn!=0,1)) { if (__builtin_expect(conn->outsock == NULL,1)) return send(conn->fddata,buf,len,0); else return sendto(conn->fddata,buf,len,0, conn->outsock,conn->outlen); } else { errno=EBADF; return -1; } #endif } int vde_datafd(VDECONN *conn) { if (__builtin_expect(conn!=0,1)) return conn->fddata; else { errno=EBADF; return -1; } } int vde_ctlfd(VDECONN *conn) { if (__builtin_expect(conn!=0,1)) return conn->fdctl; else { errno=EBADF; return -1; } } int vde_close(VDECONN *conn) { if (__builtin_expect(conn!=0,1)) { #ifdef CONNECTED_P2P send(conn->fddata,NULL,0,0); #endif if (conn->inpath != NULL) unlink(conn->inpath); if (conn->outsock != NULL) free(conn->outsock); close(conn->fddata); close(conn->fdctl); free(conn); return 0; } else { errno=EBADF; return -1; } } /* vdestream */ #define MAXPACKET 1521 struct vdestream { void *opaque; int fdout; ssize_t (*frecv)(void *opaque, void *buf, size_t count); void (*ferr)(void *opaque, int type, char *format, ...); char fragment[MAXPACKET]; char *fragp; unsigned int rnx,remaining; }; VDESTREAM *vdestream_open(void *opaque, int fdout, ssize_t (*frecv)(void *opaque, void *buf, size_t count), void (*ferr)(void *opaque, int type, char *format, ...) ) { VDESTREAM *vdestream; if ((vdestream=calloc(1,sizeof(struct vdestream)))==NULL) { errno=ENOMEM; return NULL; } else { vdestream->opaque=opaque; vdestream->fdout=fdout; vdestream->frecv=frecv; vdestream->ferr=ferr; return vdestream; } } ssize_t vdestream_send(VDESTREAM *vdestream, const void *buf, size_t len) { if (len <= MAXPACKET) { unsigned char header[2]; struct iovec iov[2]={{header,2},{(void *)buf,len}}; header[0]=len >> 8; header[1]=len & 0xff; return writev(vdestream->fdout,iov,2); } else return 0; } void vdestream_recv(VDESTREAM *vdestream, unsigned char *buf, size_t len) { //fprintf(stderr,"%s: splitpacket rnx=%d remaining=%d size=%d\n",myname,rnx,vdestream->remaining,len); if (len==0) return; if (vdestream->rnx>0) { int amount=MIN(vdestream->remaining,len); //fprintf(stderr,"%s: fragment amount %d\n",myname,amount); memcpy(vdestream->fragp,buf,amount); vdestream->remaining-=amount; vdestream->fragp+=amount; buf+=amount; len-=amount; if (vdestream->remaining==0) { //fprintf(stderr,"%s: delivered defrag %d\n",myname,vdestream->rnx); vdestream->frecv(vdestream->opaque,vdestream->fragment,vdestream->rnx); vdestream->rnx=0; } } while (len > 1) { vdestream->rnx=(buf[0]<<8)+buf[1]; len-=2; //fprintf(stderr,"%s %d: packet %d size %d %x %x\n",myname,getpid(),vdestream->rnx,len,buf[0],buf[1]); buf+=2; if (vdestream->rnx == 0) continue; if (vdestream->rnx > MAXPACKET) { if (vdestream->ferr != NULL) vdestream->ferr(vdestream->opaque,PACKET_LENGTH_ERROR, "size %d expected size %d",len,vdestream->rnx); vdestream->rnx=0; return; } if (vdestream->rnx > len) { //fprintf(stderr,"%s: begin defrag %d\n",myname,vdestream->rnx); vdestream->fragp=vdestream->fragment; memcpy(vdestream->fragp,buf,len); vdestream->remaining=vdestream->rnx-len; vdestream->fragp+=len; len=0; } else { //fprintf(stderr,"%s: deliver %d\n",myname,vdestream->rnx); vdestream->frecv(vdestream->opaque,buf,vdestream->rnx); buf+=vdestream->rnx; len-=vdestream->rnx; vdestream->rnx=0; } } } void vdestream_close(VDESTREAM *vdestream) { free(vdestream); } vde2-2.3.2+r586/src/lib/libvdesnmp.c0000644000000000000000000002511113614540472013616 0ustar /* * Copyright (C) 2007 - Filippo Giunchedi * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef STANDALONE #define EXIT(i) exit(i) #else #define EXIT(i) return(i) #endif vde_stats_t *_stats = NULL; struct vdemgmt *mgmt_conn; struct vdemgmt_out *mgmt_outbuf; struct timeval *init_tv; struct timeval *cur_tv; int (*events[EVENTS_NUM])(int); int stats_init(){ assert( _stats == NULL ); // init struttura _stats = malloc(sizeof(vde_stats_t)); if( _stats == NULL ) return 0; // init campi _stats->numports = 0; return 1; } #define PORTPRINT(pl) debug(" port: %d", pl->index); \ debug(" desc: %s", pl->desc); \ debug(" mtu: %d", pl->mtu); \ debug(" speed: %d", pl->speed); \ debug(" phyaddr: %s", pl->phyaddress); \ debug(" adminstatus: %d", pl->adminstatus); \ debug(" operstatus: %d", pl->operstatus); \ debug(" lastchange: %ld", pl->time_lastchange); \ debug(" in->ucastpkts: %ld", pl->in->ucastpkts); \ debug(" in->octects: %ld", pl->in->octects); \ debug(" out->ucastpkts: %ld", pl->out->ucastpkts); \ debug(" out->octects: %ld", pl->out->octects); /* ths of second between a and b (both struct timeval*) assuming a > b */ #define CSECDIFF(a, b) ( (((a)->tv_sec - (b)->tv_sec) * 100) + (( (a)->tv_usec > (b)->tv_usec ? (a)->tv_usec - (b)->tv_usec : 1000000 - (b)->tv_usec + (a)->tv_usec ) / 10000 ) ) /* return ths of a second from init_tv */ #define CSECINIT() ( CSECDIFF(cur_tv, init_tv) ) #define PORTUP(num) if( _stats->ports[num].operstatus != OPERSTATUS_UP ) { \ _stats->ports[num].time_lastchange = CSECINIT(); } \ debug("portup: %d", num); \ _stats->ports[num].adminstatus = ADMINSTATUS_UP; \ _stats->ports[num].operstatus = OPERSTATUS_UP; \ _stats->ports[num].active = 1; #define PORTDOWN(num) if( _stats->ports[num].operstatus != OPERSTATUS_DOWN ) { \ _stats->ports[num].time_lastchange = CSECINIT(); } \ debug("portdown: %d", num); \ _stats->ports[num].adminstatus = ADMINSTATUS_DOWN; \ _stats->ports[num].operstatus = OPERSTATUS_DOWN; \ _stats->ports[num].active = 0; #define SENDCMD(cmd) memset(mgmt_outbuf, 0, sizeof(struct vdemgmt_out)); if(!mgmt_conn) { errno = ECONNREFUSED; return 0; } vdemgmt_sendcmd(mgmt_conn, cmd, mgmt_outbuf); int mgmt_init(char *sockpath){ char *p,*q; short countersok=0, numportsok=0; mgmt_conn = vdemgmt_open(sockpath); if(!mgmt_conn){ errno = ECONNREFUSED; return 0; } mgmt_outbuf=(struct vdemgmt_out *)malloc(sizeof(struct vdemgmt_out)); if(!mgmt_outbuf){ errno = ENOMEM; return 0; } SENDCMD("port/showinfo"); // FIXME this could be factored into a macro q=p=mgmt_outbuf->buf; while(p < mgmt_outbuf->buf+mgmt_outbuf->sz){ if(*p == '\0'){ if( strcmp(q, "counters=true\n") == 0 ) countersok=1; if( sscanf(q, "Numports=%d\n", &(_stats->numports)) == 1 ) numportsok=1; q=p+1; } p++; } if( countersok && numportsok ) return 1; printf("couldn't parse counters or numports\n"); return 0; } int ports_init(void){ int i; struct vde_port_stats *ps; cur_tv = malloc(sizeof(struct timeval)); init_tv = malloc(sizeof(struct timeval)); assert(_stats != NULL); assert(_stats->numports > 0); _stats->ports = (struct vde_port_stats *) malloc(sizeof(struct vde_port_stats) * _stats->numports); assert(_stats->ports != NULL); // ASSUMPTION: this is the same as sysUpTime time gettimeofday(init_tv, NULL); for(i=0; i<_stats->numports; i++){ ps = &(_stats->ports[i]); ps->out = malloc(sizeof(traffic_t)); ps->in = malloc(sizeof(traffic_t)); assert( ps->in != NULL && ps->out != NULL ); ps->index = 0; ps->active = 0; // FIXME what sensible values might be for mtu/speed? ps->mtu = 0; ps->speed = 0; ps->adminstatus = ADMINSTATUS_DOWN; ps->operstatus = OPERSTATUS_NOTPRESENT; // TimeTicks == hundredths of a second ps->time_lastchange = init_tv->tv_usec; ps->desc[0] = '\0'; ps->phyaddress[0] = '\0'; ps->in->octects = 0; ps->in->ucastpkts = 0; ps->in->discards = 0; ps->in->errors = 0; ps->in->unknownprotos = 0; ps->out->octects = 0; ps->out->ucastpkts = 0; ps->out->discards = 0; ps->out->errors = 0; ps->out->unknownprotos = 0; } return 1; } // FIXME mac address info from hash/print is missing // Hash: 0105 Addr: ae:4a:3c:e1:6e:c9 VLAN 0000 to port: 001 age 3 secs int counters_parse(void){ char *p,*q; char portstatus[10]; int i, curport=0; char portdesc[DESC_MAXLEN]; short inport=0, outok=0, inok=0; struct vde_port_stats *pl; // FIXME are these types large enough? long inbytes, inpkts; long outbytes, outpkts; memset(portdesc, '\0', DESC_MAXLEN); if(!mgmt_conn){ printf("error initializing connection, is vde running?\n"); return 0; } assert(_stats->ports != NULL); for(i=0; i < _stats->numports; i++){ _stats->ports[i].active = 0; } SENDCMD("port/allprint"); q=p=mgmt_outbuf->buf; while(p < mgmt_outbuf->buf+mgmt_outbuf->sz){ if(*p == '\0'){ /* Port 0001 untagged_vlan=0000 INACTIVE - Unnamed Allocatable */ if( sscanf(q, "Port %4d %*s %s - %*s\n", &curport, portstatus) == 2 ) inport=1; if( inport ){ if( sscanf(q, " IN: pkts %ld bytes %ld\n", &inpkts, &inbytes) == 2 ) inok = 1; if( sscanf(q, " OUT: pkts %ld bytes %ld\n", &outpkts, &outbytes) == 2 ) outok = 1; /* -- endpoint ID 0005 module unix prog : vde_plug: user=godog PID=22006 SOCK=/tmp/vde.ctl.22006-00000 */ /* format from port.c:print_port() however there's room for DESC_MAXLEN bytes in portdesc */ if( (sscanf(q, " -- endpoint ID %*04d module %*12c: %255c\n", portdesc) == 1) || ( (strncmp(portstatus, "INACTIVE", 8) == 0) && inok && outok ) ){ gettimeofday(cur_tv, NULL); pl = &(_stats->ports[curport-1]); pl->active = 1; pl->index = curport; pl->in->octects = inbytes; pl->in->ucastpkts = inpkts; pl->out->octects = outbytes; pl->out->ucastpkts = outpkts; // FIXME we do not (yet) know the admin status since it is the // "preferred status", i.e. the one wanted by user if( strncmp(portstatus, "INACTIVE", 8) == 0 ){ PORTDOWN(curport-1); } else if( strncmp(portstatus, "ACTIVE", 6) == 0 ){ PORTUP(curport-1); strncpy(pl->desc, portdesc, strlen(portdesc)-1); } inpkts = inbytes = outpkts = outbytes = 0; inok = outok = 0; inport=0; PORTPRINT(pl); } } /* if( inport ) */ q=p+1; } /* if(*p == '\0') */ p++; } /* while(p < mgmt_outbuf->buf+mgmt_outbuf->sz){ */ return 0; } void port_debug_handler(const char *event, const int tag, const char *data){ int portnum=0; char *i, *j; char tmpstr[DESC_MAXLEN]; memset(tmpstr, '\0', DESC_MAXLEN); gettimeofday(cur_tv, NULL); //printf("received: %s -- %d -- %s\n", event, tag, data); switch(tag){ case D_PORT|D_DESCR: if( sscanf(data, "/descr Port %02d", &portnum) == 1 ){ debug("parsed port %d\n", portnum); } i = index(data, '"'); j = rindex(data, '"'); if( i && j && j > i && portnum ){ strncpy(tmpstr, i+1, j - i ); strncpy(_stats->ports[portnum-1].desc, tmpstr, DESC_MAXLEN); } debug("parsed descr[%p %p]: %s", i, j, tmpstr); break; case D_EP|D_MINUS: debug("ENDPOINT MINUS\n"); if( sscanf(data, "ep/- Port %02d", &portnum) == 1 ){ PORTDOWN(portnum-1); if(events[EVENT_PORT_DOWN]) events[EVENT_PORT_DOWN](portnum-1); } break; case D_EP|D_PLUS: debug("ENDPOINT PLUS\n"); if( sscanf(data, "ep/+ Port %02d", &portnum) == 1 ){ PORTUP(portnum-1); if(events[EVENT_PORT_UP]) events[EVENT_PORT_UP](portnum-1); } break; case D_PORT|D_MINUS: debug("PORT MINUS\n"); if( sscanf(data, "/- %02d", &portnum) == 1 ){ PORTDOWN(portnum-1); } break; case D_PORT|D_PLUS: debug("PORT PLUS\n"); if( sscanf(data, "/+ %02d", &portnum) == 1 ){ PORTUP(portnum-1); } break; } } int vde_snmp_reset_lastchange(){ return gettimeofday(init_tv, NULL); } int vde_snmp_update(){ return counters_parse(); } int vde_snmp_init(char *sockpath){ if( !stats_init() ){ debug("couldn't stats_init\n"); return -1; } if( !mgmt_init(sockpath) ){ debug("couldn't mgmt_init\n"); return -1; } if( vdemgmt_asyncreg(mgmt_conn, "port", port_debug_handler) != 0 ){ return -1; } events[EVENT_PORT_UP] = NULL; events[EVENT_PORT_DOWN] = NULL; if( !ports_init() ){ debug("couldn't ports_init\n"); return -1; } // vde_snmp_dumpstats(_stats); #ifdef STANDALONE counters_parse(); #else return counters_parse(); #endif /*vdemgmt_rstout(mgmt_outbuf);*/ /*vdemgmt_sendcmd(mgmt_conn, "debug/list", mgmt_outbuf);*/ /*write(1, mgmt_outbuf->buf, mgmt_outbuf->sz);*/ /* standalone mode, only print port events */ while(1){ struct pollfd pfd={vdemgmt_getfd(mgmt_conn), POLLIN, 0}; poll(&pfd,1,-1); vdemgmt_asyncrecv(mgmt_conn); PORTPRINT((&(_stats->ports[0]))); } } // FIXME vde_snmp_close() is missing vde_stats_t* vde_snmp_get_stats(){ return _stats; } void vde_snmp_dumpstats(vde_stats_t *stats){ int i; struct vde_port_stats *pl; assert( stats != NULL ); debug("numports: %d", stats->numports); assert( stats->ports != NULL); 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char *vde_sock = NULL, *vde_descr = NULL; VDECONN *ret; if (!PyArg_ParseTuple(args, "ss|isi", &vde_sock, &vde_descr, &vde_args.port, &vde_args.group, &vde_args.mode)) goto failure; ret = vde_open_real(vde_sock, vde_descr, 1, &vde_args); if (!ret) goto failure; else return PyLong_FromUnsignedLong((unsigned long) ret); failure: return PyErr_SetFromErrno(PyExc_RuntimeError); } static PyObject *vdeplug_ctlfd(PyObject *self, PyObject *args) { VDECONN *conn; unsigned long vde_magic = 0; if (!PyArg_ParseTuple(args, "k", &vde_magic)) goto failure; conn = (VDECONN *) vde_magic; if (!conn) goto failure; return Py_BuildValue("i", vde_ctlfd(conn)); failure: return PyErr_SetFromErrno(PyExc_RuntimeError); } static PyObject *vdeplug_datafd(PyObject *self, PyObject *args) { VDECONN *conn; unsigned long vde_magic = 0; if (!PyArg_ParseTuple(args, "k", &vde_magic)) goto failure; conn = (VDECONN *) vde_magic; if (!conn) goto failure; return Py_BuildValue("i", vde_datafd(conn)); failure: return PyErr_SetFromErrno(PyExc_RuntimeError); } static PyObject *vdeplug_close(PyObject *self, PyObject *args) { VDECONN *conn; unsigned long vde_magic = 0; if (!PyArg_ParseTuple(args, "k", &vde_magic)) goto failure; conn = (VDECONN *) vde_magic; if (!conn) goto failure; return Py_BuildValue("i", vde_close(conn)); failure: return PyErr_SetFromErrno(PyExc_RuntimeError); } static PyMethodDef vdeplug_methods[] = { {"open", vdeplug_open, METH_VARARGS}, {"ctlfd", vdeplug_ctlfd, METH_VARARGS}, {"datafd", vdeplug_datafd, METH_VARARGS}, {"close", vdeplug_close, METH_VARARGS}, {NULL, NULL} /* Sentinel */ }; void initvdeplug_python(void) { (void) Py_InitModule("vdeplug_python", vdeplug_methods); // PyErr_SetString(PyExc_RuntimeError,"vdeplug error"); } vde2-2.3.2+r586/src/lib/vdehist.pc.in0000644000000000000000000000037713614540472013715 0ustar prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: vdehist Description: A library to manage history and command completion for vde mgmt protocol Version: @VERSION@ Libs: -L${libdir} -lvdehist Cflags: -I${includedir} vde2-2.3.2+r586/src/lib/vdemgmt.pc.in0000644000000000000000000000035713614540472013710 0ustar prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: vdemgmt Description: Virtual Distributed Ethernet console management library. Version: @VERSION@ Libs: -L${libdir} -lvdemgmt Cflags: -I${includedir} vde2-2.3.2+r586/src/lib/vdeplug.pc.in0000644000000000000000000000034713614540472013712 0ustar prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: vdeplug Description: Virtual Distributed Ethernet connection library. Version: @VERSION@ Libs: -L${libdir} -lvdeplug Cflags: -I${includedir} vde2-2.3.2+r586/src/lib/vdesnmp.pc.in0000644000000000000000000000034513614540472013716 0ustar prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: vdesnmp Description: SNMP library for Virtual Distributed Ethernet. 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Thanks to Fabrice Bellard. vde2-2.3.2+r586/src/slirpvde/bootp.c0000644000000000000000000002147013614540472013664 0ustar /* * QEMU BOOTP/DHCP server * * Copyright (c) 2004 Fabrice Bellard * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include /* XXX: only DHCP is supported */ #define LEASE_TIME (24 * 3600) static const uint8_t rfc1533_cookie[] = { RFC1533_COOKIE }; #ifdef DEBUG #define dprintf(fmt, ...) \ do if (slirp_debug & DBG_CALL) { fprintf(dfd, fmt, ## __VA_ARGS__); fflush(dfd); } while (0) #else #define dprintf(fmt, ...) #endif static BOOTPClient *get_new_addr(Slirp *slirp, struct in_addr *paddr, const uint8_t *macaddr) { BOOTPClient *bc; int i; for(i = 0; i < NB_BOOTP_CLIENTS; i++) { bc = &slirp->bootp_clients[i]; if (!bc->allocated || !memcmp(macaddr, bc->macaddr, 6)) goto found; } return NULL; found: bc = &slirp->bootp_clients[i]; bc->allocated = 1; paddr->s_addr = slirp->vdhcp_startaddr.s_addr + htonl(i); return bc; } static BOOTPClient *request_addr(Slirp *slirp, const struct in_addr *paddr, const uint8_t *macaddr) { uint32_t req_addr = ntohl(paddr->s_addr); uint32_t dhcp_addr = ntohl(slirp->vdhcp_startaddr.s_addr); BOOTPClient *bc; if (req_addr >= dhcp_addr && req_addr < (dhcp_addr + NB_BOOTP_CLIENTS)) { bc = &slirp->bootp_clients[req_addr - dhcp_addr]; if (!bc->allocated || !memcmp(macaddr, bc->macaddr, 6)) { bc->allocated = 1; return bc; } } return NULL; } static BOOTPClient *find_addr(Slirp *slirp, struct in_addr *paddr, const uint8_t *macaddr) { BOOTPClient *bc; int i; for(i = 0; i < NB_BOOTP_CLIENTS; i++) { if (!memcmp(macaddr, slirp->bootp_clients[i].macaddr, 6)) goto found; } return NULL; found: bc = &slirp->bootp_clients[i]; bc->allocated = 1; paddr->s_addr = slirp->vdhcp_startaddr.s_addr + htonl(i); return bc; } static void dhcp_decode(const struct bootp_t *bp, int *pmsg_type, const struct in_addr **preq_addr) { const uint8_t *p, *p_end; int len, tag; *pmsg_type = 0; *preq_addr = NULL; p = bp->bp_vend; p_end = p + DHCP_OPT_LEN; if (memcmp(p, rfc1533_cookie, 4) != 0) return; p += 4; while (p < p_end) { tag = p[0]; if (tag == RFC1533_PAD) { p++; } else if (tag == RFC1533_END) { break; } else { p++; if (p >= p_end) break; len = *p++; dprintf("dhcp: tag=%d len=%d\n", tag, len); switch(tag) { case RFC2132_MSG_TYPE: if (len >= 1) *pmsg_type = p[0]; break; case RFC2132_REQ_ADDR: if (len >= 4) *preq_addr = (struct in_addr *)p; break; default: break; } p += len; } } if (*pmsg_type == DHCPREQUEST && !*preq_addr && bp->bp_ciaddr.s_addr) { *preq_addr = &bp->bp_ciaddr; } } static void bootp_reply(Slirp *slirp, const struct bootp_t *bp) { BOOTPClient *bc = NULL; struct mbuf *m; struct bootp_t *rbp; struct sockaddr_in saddr, daddr; const struct in_addr *preq_addr; int dhcp_msg_type, val; uint8_t *q; /* extract exact DHCP msg type */ dhcp_decode(bp, &dhcp_msg_type, &preq_addr); dprintf("bootp packet op=%d msgtype=%d", bp->bp_op, dhcp_msg_type); if (preq_addr) dprintf(" req_addr=%08x\n", ntohl(preq_addr->s_addr)); else dprintf("\n"); if (dhcp_msg_type == 0) dhcp_msg_type = DHCPREQUEST; /* Force reply for old BOOTP clients */ if (dhcp_msg_type != DHCPDISCOVER && dhcp_msg_type != DHCPREQUEST) return; /* XXX: this is a hack to get the client mac address */ memcpy(slirp->client_ethaddr, bp->bp_hwaddr, 6); m = m_get(slirp); if (!m) { return; } m->m_data += IF_MAXLINKHDR; rbp = (struct bootp_t *)m->m_data; m->m_data += sizeof(struct udpiphdr); memset(rbp, 0, sizeof(struct bootp_t)); if (dhcp_msg_type == DHCPDISCOVER) { if (preq_addr) { bc = request_addr(slirp, preq_addr, slirp->client_ethaddr); if (bc) { daddr.sin_addr = *preq_addr; } } if (!bc) { new_addr: bc = get_new_addr(slirp, &daddr.sin_addr, slirp->client_ethaddr); if (!bc) { dprintf("no address left\n"); return; } } memcpy(bc->macaddr, slirp->client_ethaddr, 6); } else if (preq_addr) { bc = request_addr(slirp, preq_addr, slirp->client_ethaddr); if (bc) { daddr.sin_addr = *preq_addr; memcpy(bc->macaddr, slirp->client_ethaddr, 6); } else { daddr.sin_addr.s_addr = 0; } } else { bc = find_addr(slirp, &daddr.sin_addr, bp->bp_hwaddr); if (!bc) { /* if never assigned, behaves as if it was already assigned (windows fix because it remembers its address) */ goto new_addr; } } saddr.sin_addr = slirp->vhost_addr; saddr.sin_port = htons(BOOTP_SERVER); daddr.sin_port = htons(BOOTP_CLIENT); rbp->bp_op = BOOTP_REPLY; rbp->bp_xid = bp->bp_xid; rbp->bp_htype = 1; rbp->bp_hlen = 6; memcpy(rbp->bp_hwaddr, bp->bp_hwaddr, 6); rbp->bp_yiaddr = daddr.sin_addr; /* Client IP address */ rbp->bp_siaddr = saddr.sin_addr; /* Server IP address */ q = rbp->bp_vend; memcpy(q, rfc1533_cookie, 4); q += 4; if (bc) { dprintf("%s addr=%08x\n", (dhcp_msg_type == DHCPDISCOVER) ? "offered" : "ack'ed", ntohl(daddr.sin_addr.s_addr)); if (dhcp_msg_type == DHCPDISCOVER) { *q++ = RFC2132_MSG_TYPE; *q++ = 1; *q++ = DHCPOFFER; } else /* DHCPREQUEST */ { *q++ = RFC2132_MSG_TYPE; *q++ = 1; *q++ = DHCPACK; } if (slirp->bootp_filename) snprintf((char *)rbp->bp_file, sizeof(rbp->bp_file), "%s", slirp->bootp_filename); *q++ = RFC2132_SRV_ID; *q++ = 4; memcpy(q, &saddr.sin_addr, 4); q += 4; *q++ = RFC1533_NETMASK; *q++ = 4; memcpy(q, &slirp->vnetwork_mask, 4); q += 4; if (!slirp->restricted) { *q++ = RFC1533_GATEWAY; *q++ = 4; memcpy(q, &saddr.sin_addr, 4); q += 4; *q++ = RFC1533_DNS; *q++ = 4; memcpy(q, &slirp->vnameserver_addr, 4); q += 4; } *q++ = RFC2132_LEASE_TIME; *q++ = 4; val = htonl(LEASE_TIME); memcpy(q, &val, 4); q += 4; if (*slirp->client_hostname) { val = strlen(slirp->client_hostname); *q++ = RFC1533_HOSTNAME; *q++ = val; memcpy(q, slirp->client_hostname, val); q += val; } } else { static const char nak_msg[] = "requested address not available"; dprintf("nak'ed addr=%08x\n", ntohl(preq_addr->s_addr)); *q++ = RFC2132_MSG_TYPE; *q++ = 1; *q++ = DHCPNAK; *q++ = RFC2132_MESSAGE; *q++ = sizeof(nak_msg) - 1; memcpy(q, nak_msg, sizeof(nak_msg) - 1); q += sizeof(nak_msg) - 1; } *q++ = RFC1533_END; daddr.sin_addr.s_addr = 0xffffffffu; m->m_len = sizeof(struct bootp_t) - sizeof(struct ip) - sizeof(struct udphdr); udp_output2(NULL, m, &saddr, &daddr, IPTOS_LOWDELAY); } void bootp_input(struct mbuf *m) { struct bootp_t *bp = mtod(m, struct bootp_t *); if (bp->bp_op == BOOTP_REQUEST) { bootp_reply(m->slirp, bp); } } vde2-2.3.2+r586/src/slirpvde/bootp.h0000644000000000000000000000606613614540472013675 0ustar /* bootp/dhcp defines */ #define BOOTP_SERVER 67 #define BOOTP_CLIENT 68 #define BOOTP_REQUEST 1 #define BOOTP_REPLY 2 #define RFC1533_COOKIE 99, 130, 83, 99 #define RFC1533_PAD 0 #define RFC1533_NETMASK 1 #define RFC1533_TIMEOFFSET 2 #define RFC1533_GATEWAY 3 #define RFC1533_TIMESERVER 4 #define RFC1533_IEN116NS 5 #define RFC1533_DNS 6 #define RFC1533_LOGSERVER 7 #define RFC1533_COOKIESERVER 8 #define RFC1533_LPRSERVER 9 #define RFC1533_IMPRESSSERVER 10 #define RFC1533_RESOURCESERVER 11 #define RFC1533_HOSTNAME 12 #define RFC1533_BOOTFILESIZE 13 #define RFC1533_MERITDUMPFILE 14 #define RFC1533_DOMAINNAME 15 #define RFC1533_SWAPSERVER 16 #define RFC1533_ROOTPATH 17 #define RFC1533_EXTENSIONPATH 18 #define RFC1533_IPFORWARDING 19 #define RFC1533_IPSOURCEROUTING 20 #define RFC1533_IPPOLICYFILTER 21 #define RFC1533_IPMAXREASSEMBLY 22 #define RFC1533_IPTTL 23 #define RFC1533_IPMTU 24 #define RFC1533_IPMTUPLATEAU 25 #define RFC1533_INTMTU 26 #define RFC1533_INTLOCALSUBNETS 27 #define RFC1533_INTBROADCAST 28 #define RFC1533_INTICMPDISCOVER 29 #define RFC1533_INTICMPRESPOND 30 #define RFC1533_INTROUTEDISCOVER 31 #define RFC1533_INTROUTESOLICIT 32 #define RFC1533_INTSTATICROUTES 33 #define RFC1533_LLTRAILERENCAP 34 #define RFC1533_LLARPCACHETMO 35 #define RFC1533_LLETHERNETENCAP 36 #define RFC1533_TCPTTL 37 #define RFC1533_TCPKEEPALIVETMO 38 #define RFC1533_TCPKEEPALIVEGB 39 #define RFC1533_NISDOMAIN 40 #define RFC1533_NISSERVER 41 #define RFC1533_NTPSERVER 42 #define RFC1533_VENDOR 43 #define RFC1533_NBNS 44 #define RFC1533_NBDD 45 #define RFC1533_NBNT 46 #define RFC1533_NBSCOPE 47 #define RFC1533_XFS 48 #define RFC1533_XDM 49 #define RFC2132_REQ_ADDR 50 #define RFC2132_LEASE_TIME 51 #define RFC2132_MSG_TYPE 53 #define RFC2132_SRV_ID 54 #define RFC2132_PARAM_LIST 55 #define RFC2132_MESSAGE 56 #define RFC2132_MAX_SIZE 57 #define RFC2132_RENEWAL_TIME 58 #define RFC2132_REBIND_TIME 59 #define DHCPDISCOVER 1 #define DHCPOFFER 2 #define DHCPREQUEST 3 #define DHCPACK 5 #define DHCPNAK 6 #define RFC1533_VENDOR_MAJOR 0 #define RFC1533_VENDOR_MINOR 0 #define RFC1533_VENDOR_MAGIC 128 #define RFC1533_VENDOR_ADDPARM 129 #define RFC1533_VENDOR_ETHDEV 130 #define RFC1533_VENDOR_HOWTO 132 #define RFC1533_VENDOR_MNUOPTS 160 #define RFC1533_VENDOR_SELECTION 176 #define RFC1533_VENDOR_MOTD 184 #define RFC1533_VENDOR_NUMOFMOTD 8 #define RFC1533_VENDOR_IMG 192 #define RFC1533_VENDOR_NUMOFIMG 16 #define RFC1533_END 255 #define BOOTP_VENDOR_LEN 64 #define DHCP_OPT_LEN 312 struct bootp_t { struct ip ip; struct udphdr udp; uint8_t bp_op; uint8_t bp_htype; uint8_t bp_hlen; uint8_t bp_hops; uint32_t bp_xid; uint16_t bp_secs; uint16_t unused; struct in_addr bp_ciaddr; struct in_addr bp_yiaddr; struct in_addr bp_siaddr; struct in_addr bp_giaddr; uint8_t bp_hwaddr[16]; uint8_t bp_sname[64]; uint8_t bp_file[128]; uint8_t bp_vend[DHCP_OPT_LEN]; }; typedef struct { uint16_t allocated; uint8_t macaddr[6]; } BOOTPClient; #define NB_BOOTP_CLIENTS 16 void bootp_input(struct mbuf *m); vde2-2.3.2+r586/src/slirpvde/cksum.c0000644000000000000000000000744413614540472013670 0ustar /* * Copyright (c) 1988, 1992, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)in_cksum.c 8.1 (Berkeley) 6/10/93 * in_cksum.c,v 1.2 1994/08/02 07:48:16 davidg Exp */ #include /* * Checksum routine for Internet Protocol family headers (Portable Version). * * This routine is very heavily used in the network * code and should be modified for each CPU to be as fast as possible. * * XXX Since we will never span more than 1 mbuf, we can optimise this */ #define ADDCARRY(x) (x > 65535 ? x -= 65535 : x) #define REDUCE {l_util.l = sum; sum = l_util.s[0] + l_util.s[1]; ADDCARRY(sum);} int cksum(struct mbuf *m, int len) { register u_int16_t *w; int sum = 0; int mlen = 0; int byte_swapped = 0; union { u_int8_t c[2]; u_int16_t s; } s_util; union { u_int16_t s[2]; u_int32_t l; } l_util; if (m->m_len == 0) goto cont; w = mtod(m, u_int16_t *); mlen = m->m_len; if (len < mlen) mlen = len; len -= mlen; /* * Force to even boundary. */ if ((1 & (long) w) && (mlen > 0)) { REDUCE; sum <<= 8; s_util.c[0] = *(u_int8_t *)w; w = (u_int16_t *)((int8_t *)w + 1); mlen--; byte_swapped = 1; } /* * Unroll the loop to make overhead from * branches &c small. */ while ((mlen -= 32) >= 0) { sum += w[0]; sum += w[1]; sum += w[2]; sum += w[3]; sum += w[4]; sum += w[5]; sum += w[6]; sum += w[7]; sum += w[8]; sum += w[9]; sum += w[10]; sum += w[11]; sum += w[12]; sum += w[13]; sum += w[14]; sum += w[15]; w += 16; } mlen += 32; while ((mlen -= 8) >= 0) { sum += w[0]; sum += w[1]; sum += w[2]; sum += w[3]; w += 4; } mlen += 8; if (mlen == 0 && byte_swapped == 0) goto cont; REDUCE; while ((mlen -= 2) >= 0) { sum += *w++; } if (byte_swapped) { REDUCE; sum <<= 8; byte_swapped = 0; if (mlen == -1) { s_util.c[1] = *(u_int8_t *)w; sum += s_util.s; mlen = 0; } else mlen = -1; } else if (mlen == -1) s_util.c[0] = *(u_int8_t *)w; cont: #ifdef DEBUG if (len) { DEBUG_ERROR((dfd, "cksum: out of data\n")); DEBUG_ERROR((dfd, " len = %d\n", len)); } #endif if (mlen == -1) { /* The last mbuf has odd # of bytes. Follow the standard (the odd byte may be shifted left by 8 bits or not as determined by endian-ness of the machine) */ s_util.c[1] = 0; sum += s_util.s; } REDUCE; return (~sum & 0xffff); } vde2-2.3.2+r586/src/slirpvde/debug.h0000644000000000000000000000154113614540472013631 0ustar /* * Copyright (c) 1995 Danny Gasparovski. * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ //#define DEBUG 1 #ifdef DEBUG #define DBG_CALL 0x1 #define DBG_MISC 0x2 #define DBG_ERROR 0x4 #define dfd stderr extern int slirp_debug; #define DEBUG_CALL(x) if (slirp_debug & DBG_CALL) { fprintf(dfd, "%s...\n", x); fflush(dfd); } #define DEBUG_ARG(x, y) if (slirp_debug & DBG_CALL) { fputc(' ', dfd); fprintf(dfd, x, y); fputc('\n', dfd); fflush(dfd); } #define DEBUG_ARGS(x) if (slirp_debug & DBG_CALL) { fprintf x ; fflush(dfd); } #define DEBUG_MISC(x) if (slirp_debug & DBG_MISC) { fprintf x ; fflush(dfd); } #define DEBUG_ERROR(x) if (slirp_debug & DBG_ERROR) {fprintf x ; fflush(dfd); } #else #define DEBUG_CALL(x) #define DEBUG_ARG(x, y) #define DEBUG_ARGS(x) #define DEBUG_MISC(x) #define DEBUG_ERROR(x) #endif vde2-2.3.2+r586/src/slirpvde/if.c0000644000000000000000000001303013614540472013130 0ustar /* * Copyright (c) 1995 Danny Gasparovski. * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ #include #define ifs_init(ifm) ((ifm)->ifs_next = (ifm)->ifs_prev = (ifm)) static void ifs_insque(struct mbuf *ifm, struct mbuf *ifmhead) { ifm->ifs_next = ifmhead->ifs_next; ifmhead->ifs_next = ifm; ifm->ifs_prev = ifmhead; ifm->ifs_next->ifs_prev = ifm; } static void ifs_remque(struct mbuf *ifm) { ifm->ifs_prev->ifs_next = ifm->ifs_next; ifm->ifs_next->ifs_prev = ifm->ifs_prev; } void if_init(Slirp *slirp) { slirp->if_fastq.ifq_next = slirp->if_fastq.ifq_prev = &slirp->if_fastq; slirp->if_batchq.ifq_next = slirp->if_batchq.ifq_prev = &slirp->if_batchq; slirp->next_m = &slirp->if_batchq; } /* * if_output: Queue packet into an output queue. * There are 2 output queue's, if_fastq and if_batchq. * Each output queue is a doubly linked list of double linked lists * of mbufs, each list belonging to one "session" (socket). This * way, we can output packets fairly by sending one packet from each * session, instead of all the packets from one session, then all packets * from the next session, etc. Packets on the if_fastq get absolute * priority, but if one session hogs the link, it gets "downgraded" * to the batchq until it runs out of packets, then it'll return * to the fastq (eg. if the user does an ls -alR in a telnet session, * it'll temporarily get downgraded to the batchq) */ void if_output(struct socket *so, struct mbuf *ifm) { Slirp *slirp = ifm->slirp; struct mbuf *ifq; int on_fastq = 1; DEBUG_CALL("if_output"); DEBUG_ARG("so = %lx", (long)so); DEBUG_ARG("ifm = %lx", (long)ifm); /* * First remove the mbuf from m_usedlist, * since we're gonna use m_next and m_prev ourselves * XXX Shouldn't need this, gotta change dtom() etc. */ if (ifm->m_flags & M_USEDLIST) { remque(ifm); ifm->m_flags &= ~M_USEDLIST; } /* * See if there's already a batchq list for this session. * This can include an interactive session, which should go on fastq, * but gets too greedy... hence it'll be downgraded from fastq to batchq. * We mustn't put this packet back on the fastq (or we'll send it out of order) * XXX add cache here? */ for (ifq = slirp->if_batchq.ifq_prev; ifq != &slirp->if_batchq; ifq = ifq->ifq_prev) { if (so == ifq->ifq_so) { /* A match! */ ifm->ifq_so = so; ifs_insque(ifm, ifq->ifs_prev); goto diddit; } } /* No match, check which queue to put it on */ if (so && (so->so_iptos & IPTOS_LOWDELAY)) { ifq = slirp->if_fastq.ifq_prev; on_fastq = 1; /* * Check if this packet is a part of the last * packet's session */ if (ifq->ifq_so == so) { ifm->ifq_so = so; ifs_insque(ifm, ifq->ifs_prev); goto diddit; } } else ifq = slirp->if_batchq.ifq_prev; /* Create a new doubly linked list for this session */ ifm->ifq_so = so; ifs_init(ifm); insque(ifm, ifq); diddit: slirp->if_queued++; if (so) { /* Update *_queued */ so->so_queued++; so->so_nqueued++; /* * Check if the interactive session should be downgraded to * the batchq. A session is downgraded if it has queued 6 * packets without pausing, and at least 3 of those packets * have been sent over the link * (XXX These are arbitrary numbers, probably not optimal..) */ if (on_fastq && ((so->so_nqueued >= 6) && (so->so_nqueued - so->so_queued) >= 3)) { /* Remove from current queue... */ remque(ifm->ifs_next); /* ...And insert in the new. That'll teach ya! */ insque(ifm->ifs_next, &slirp->if_batchq); } } #ifndef FULL_BOLT /* * This prevents us from malloc()ing too many mbufs */ if_start(ifm->slirp); #endif } /* * Send a packet * We choose a packet based on it's position in the output queues; * If there are packets on the fastq, they are sent FIFO, before * everything else. Otherwise we choose the first packet from the * batchq and send it. the next packet chosen will be from the session * after this one, then the session after that one, and so on.. So, * for example, if there are 3 ftp session's fighting for bandwidth, * one packet will be sent from the first session, then one packet * from the second session, then one packet from the third, then back * to the first, etc. etc. */ void if_start(Slirp *slirp) { struct mbuf *ifm, *ifqt; DEBUG_CALL("if_start"); if (slirp->if_queued == 0) return; /* Nothing to do */ again: /* check if we can really output */ if (!slirp_can_output(slirp->opaque)) return; /* * See which queue to get next packet from * If there's something in the fastq, select it immediately */ if (slirp->if_fastq.ifq_next != &slirp->if_fastq) { ifm = slirp->if_fastq.ifq_next; } else { /* Nothing on fastq, see if next_m is valid */ if (slirp->next_m != &slirp->if_batchq) ifm = slirp->next_m; else ifm = slirp->if_batchq.ifq_next; /* Set which packet to send on next iteration */ slirp->next_m = ifm->ifq_next; } /* Remove it from the queue */ ifqt = ifm->ifq_prev; remque(ifm); slirp->if_queued--; /* If there are more packets for this session, re-queue them */ if (ifm->ifs_next != /* ifm->ifs_prev != */ ifm) { insque(ifm->ifs_next, ifqt); ifs_remque(ifm); } /* Update so_queued */ if (ifm->ifq_so) { if (--ifm->ifq_so->so_queued == 0) /* If there's no more queued, reset nqueued */ ifm->ifq_so->so_nqueued = 0; } /* Encapsulate the packet for sending */ if_encap(slirp, (uint8_t *)ifm->m_data, ifm->m_len); m_free(ifm); if (slirp->if_queued) goto again; } vde2-2.3.2+r586/src/slirpvde/if.h0000644000000000000000000000117413614540472013143 0ustar /* * Copyright (c) 1995 Danny Gasparovski. * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ #ifndef _IF_H_ #define _IF_H_ #define IF_COMPRESS 0x01 /* We want compression */ #define IF_NOCOMPRESS 0x02 /* Do not do compression */ #define IF_AUTOCOMP 0x04 /* Autodetect (default) */ #define IF_NOCIDCOMP 0x08 /* CID compression */ #define IF_MTU 1500 #define IF_MRU 1500 #define IF_COMP IF_AUTOCOMP /* Flags for compression */ /* 2 for alignment, 14 for ethernet, 40 for TCP/IP */ #define IF_MAXLINKHDR (2 + 14 + 40) #define ifs_init(ifm) ((ifm)->ifs_next = (ifm)->ifs_prev = (ifm)) #endif vde2-2.3.2+r586/src/slirpvde/ip.h0000644000000000000000000001633713614540472013164 0ustar /* * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)ip.h 8.1 (Berkeley) 6/10/93 * ip.h,v 1.3 1994/08/21 05:27:30 paul Exp */ #ifndef _IP_H_ #define _IP_H_ #ifdef HOST_WORDS_BIGENDIAN # ifndef NTOHL # define NTOHL(d) # endif # ifndef NTOHS # define NTOHS(d) # endif # ifndef HTONL # define HTONL(d) # endif # ifndef HTONS # define HTONS(d) # endif #else # ifndef NTOHL # define NTOHL(d) ((d) = ntohl((d))) # endif # ifndef NTOHS # define NTOHS(d) ((d) = ntohs((u_int16_t)(d))) # endif # ifndef HTONL # define HTONL(d) ((d) = htonl((d))) # endif # ifndef HTONS # define HTONS(d) ((d) = htons((u_int16_t)(d))) # endif #endif typedef u_int32_t n_long; /* long as received from the net */ /* * Definitions for internet protocol version 4. * Per RFC 791, September 1981. */ #define IPVERSION 4 /* * Structure of an internet header, naked of options. */ struct ip { #ifdef HOST_WORDS_BIGENDIAN u_int ip_v:4, /* version */ ip_hl:4; /* header length */ #else u_int ip_hl:4, /* header length */ ip_v:4; /* version */ #endif u_int8_t ip_tos; /* type of service */ u_int16_t ip_len; /* total length */ u_int16_t ip_id; /* identification */ u_int16_t ip_off; /* fragment offset field */ #define IP_DF 0x4000 /* don't fragment flag */ #define IP_MF 0x2000 /* more fragments flag */ #define IP_OFFMASK 0x1fff /* mask for fragmenting bits */ u_int8_t ip_ttl; /* time to live */ u_int8_t ip_p; /* protocol */ u_int16_t ip_sum; /* checksum */ struct in_addr ip_src,ip_dst; /* source and dest address */ }; #define IP_MAXPACKET 65535 /* maximum packet size */ /* * Definitions for IP type of service (ip_tos) */ #define IPTOS_LOWDELAY 0x10 #define IPTOS_THROUGHPUT 0x08 #define IPTOS_RELIABILITY 0x04 /* * Definitions for options. */ #define IPOPT_COPIED(o) ((o)&0x80) #define IPOPT_CLASS(o) ((o)&0x60) #define IPOPT_NUMBER(o) ((o)&0x1f) #define IPOPT_CONTROL 0x00 #define IPOPT_RESERVED1 0x20 #define IPOPT_DEBMEAS 0x40 #define IPOPT_RESERVED2 0x60 #define IPOPT_EOL 0 /* end of option list */ #define IPOPT_NOP 1 /* no operation */ #define IPOPT_RR 7 /* record packet route */ #define IPOPT_TS 68 /* timestamp */ #define IPOPT_SECURITY 130 /* provide s,c,h,tcc */ #define IPOPT_LSRR 131 /* loose source route */ #define IPOPT_SATID 136 /* satnet id */ #define IPOPT_SSRR 137 /* strict source route */ /* * Offsets to fields in options other than EOL and NOP. */ #define IPOPT_OPTVAL 0 /* option ID */ #define IPOPT_OLEN 1 /* option length */ #define IPOPT_OFFSET 2 /* offset within option */ #define IPOPT_MINOFF 4 /* min value of above */ /* * Time stamp option structure. */ struct ip_timestamp { u_int8_t ipt_code; /* IPOPT_TS */ u_int8_t ipt_len; /* size of structure (variable) */ u_int8_t ipt_ptr; /* index of current entry */ #ifdef HOST_WORDS_BIGENDIAN u_int ipt_oflw:4, /* overflow counter */ ipt_flg:4; /* flags, see below */ #else u_int ipt_flg:4, /* flags, see below */ ipt_oflw:4; /* overflow counter */ #endif union ipt_timestamp { n_long ipt_time[1]; struct ipt_ta { struct in_addr ipt_addr; n_long ipt_time; } ipt_ta[1]; } ipt_timestamp; }; /* flag bits for ipt_flg */ #define IPOPT_TS_TSONLY 0 /* timestamps only */ #define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */ #define IPOPT_TS_PRESPEC 3 /* specified modules only */ /* bits for security (not byte swapped) */ #define IPOPT_SECUR_UNCLASS 0x0000 #define IPOPT_SECUR_CONFID 0xf135 #define IPOPT_SECUR_EFTO 0x789a #define IPOPT_SECUR_MMMM 0xbc4d #define IPOPT_SECUR_RESTR 0xaf13 #define IPOPT_SECUR_SECRET 0xd788 #define IPOPT_SECUR_TOPSECRET 0x6bc5 /* * Internet implementation parameters. */ #define MAXTTL 255 /* maximum time to live (seconds) */ #define IPDEFTTL 64 /* default ttl, from RFC 1340 */ #define IPFRAGTTL 60 /* time to live for frags, slowhz */ #define IPTTLDEC 1 /* subtracted when forwarding */ #define IP_MSS 576 /* default maximum segment size */ #if SIZEOF_CHAR_P == 4 struct mbuf_ptr { struct mbuf *mptr; uint32_t dummy; }; #else struct mbuf_ptr { struct mbuf *mptr; }; #endif struct qlink { void *next, *prev; }; /* * Overlay for ip header used by other protocols (tcp, udp). */ struct ipovly { struct mbuf_ptr ih_mbuf; /* backpointer to mbuf */ u_int8_t ih_x1; /* (unused) */ u_int8_t ih_pr; /* protocol */ u_int16_t ih_len; /* protocol length */ struct in_addr ih_src; /* source internet address */ struct in_addr ih_dst; /* destination internet address */ } __attribute__((packed)); /* * Ip reassembly queue structure. Each fragment * being reassembled is attached to one of these structures. * They are timed out after ipq_ttl drops to 0, and may also * be reclaimed if memory becomes tight. * size 28 bytes */ struct ipq { struct qlink frag_link; /* to ip headers of fragments */ struct qlink ip_link; /* to other reass headers */ u_int8_t ipq_ttl; /* time for reass q to live */ u_int8_t ipq_p; /* protocol of this fragment */ u_int16_t ipq_id; /* sequence id for reassembly */ struct in_addr ipq_src,ipq_dst; }; /* * Ip header, when holding a fragment. * * Note: ipf_link must be at same offset as frag_link above */ struct ipasfrag { struct qlink ipf_link; struct ip ipf_ip; }; #define ipf_off ipf_ip.ip_off #define ipf_tos ipf_ip.ip_tos #define ipf_len ipf_ip.ip_len #define ipf_next ipf_link.next #define ipf_prev ipf_link.prev /* * Structure stored in mbuf in inpcb.ip_options * and passed to ip_output when ip options are in use. * The actual length of the options (including ipopt_dst) * is in m_len. */ #define MAX_IPOPTLEN 40 struct ipoption { struct in_addr ipopt_dst; /* first-hop dst if source routed */ int8_t ipopt_list[MAX_IPOPTLEN]; /* options proper */ }; #endif vde2-2.3.2+r586/src/slirpvde/ip_icmp.c0000644000000000000000000002355113614540472014163 0ustar /* * Copyright (c) 1982, 1986, 1988, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)ip_icmp.c 8.2 (Berkeley) 1/4/94 * ip_icmp.c,v 1.7 1995/05/30 08:09:42 rgrimes Exp */ #include "slirp.h" #include "ip_icmp.h" /* The message sent when emulating PING */ /* Be nice and tell them it's just a pseudo-ping packet */ static const char icmp_ping_msg[] = "This is a pseudo-PING packet used by Slirp to emulate ICMP ECHO-REQUEST packets.\n"; /* list of actions for icmp_error() on RX of an icmp message */ static const int icmp_flush[19] = { /* ECHO REPLY (0) */ 0, 1, 1, /* DEST UNREACH (3) */ 1, /* SOURCE QUENCH (4)*/ 1, /* REDIRECT (5) */ 1, 1, 1, /* ECHO (8) */ 0, /* ROUTERADVERT (9) */ 1, /* ROUTERSOLICIT (10) */ 1, /* TIME EXCEEDED (11) */ 1, /* PARAMETER PROBLEM (12) */ 1, /* TIMESTAMP (13) */ 0, /* TIMESTAMP REPLY (14) */ 0, /* INFO (15) */ 0, /* INFO REPLY (16) */ 0, /* ADDR MASK (17) */ 0, /* ADDR MASK REPLY (18) */ 0 }; /* * Process a received ICMP message. */ void icmp_input(struct mbuf *m, int hlen) { struct icmp *icp; struct ip *ip=mtod(m, struct ip *); int icmplen=ip->ip_len; Slirp *slirp = m->slirp; DEBUG_CALL("icmp_input"); DEBUG_ARG("m = %lx", (long )m); DEBUG_ARG("m_len = %d", m->m_len); /* * Locate icmp structure in mbuf, and check * that its not corrupted and of at least minimum length. */ if (icmplen < ICMP_MINLEN) { /* min 8 bytes payload */ freeit: m_freem(m); goto end_error; } m->m_len -= hlen; m->m_data += hlen; icp = mtod(m, struct icmp *); if (cksum(m, icmplen)) { goto freeit; } m->m_len += hlen; m->m_data -= hlen; DEBUG_ARG("icmp_type = %d", icp->icmp_type); switch (icp->icmp_type) { case ICMP_ECHO: icp->icmp_type = ICMP_ECHOREPLY; ip->ip_len += hlen; /* since ip_input subtracts this */ if (ip->ip_dst.s_addr == slirp->vhost_addr.s_addr) { icmp_reflect(m); } else { struct socket *so; struct sockaddr_in addr; if ((so = socreate(slirp)) == NULL) goto freeit; if(udp_attach(so) == -1) { DEBUG_MISC((dfd,"icmp_input udp_attach errno = %d-%s\n", errno,strerror(errno))); sofree(so); m_free(m); goto end_error; } so->so_m = m; so->so_faddr = ip->ip_dst; so->so_fport = htons(7); so->so_laddr = ip->ip_src; so->so_lport = htons(9); so->so_iptos = ip->ip_tos; so->so_type = IPPROTO_ICMP; so->so_state = SS_ISFCONNECTED; /* Send the packet */ addr.sin_family = AF_INET; if ((so->so_faddr.s_addr & slirp->vnetwork_mask.s_addr) == slirp->vnetwork_addr.s_addr) { /* It's an alias */ if (so->so_faddr.s_addr == slirp->vnameserver_addr.s_addr) { if (get_dns_addr(&addr.sin_addr) < 0) addr.sin_addr = loopback_addr; } else { addr.sin_addr = loopback_addr; } } else { addr.sin_addr = so->so_faddr; } addr.sin_port = so->so_fport; if(sendto(so->s, icmp_ping_msg, strlen(icmp_ping_msg), 0, (struct sockaddr *)&addr, sizeof(addr)) == -1) { DEBUG_MISC((dfd,"icmp_input udp sendto tx errno = %d-%s\n", errno,strerror(errno))); icmp_error(m, ICMP_UNREACH,ICMP_UNREACH_NET, 0,strerror(errno)); udp_detach(so); } } /* if ip->ip_dst.s_addr == alias_addr.s_addr */ break; case ICMP_UNREACH: /* XXX? report error? close socket? */ case ICMP_TIMXCEED: case ICMP_PARAMPROB: case ICMP_SOURCEQUENCH: case ICMP_TSTAMP: case ICMP_MASKREQ: case ICMP_REDIRECT: m_freem(m); break; default: m_freem(m); } /* swith */ end_error: /* m is m_free()'d xor put in a socket xor or given to ip_send */ return; } /* * Send an ICMP message in response to a situation * * RFC 1122: 3.2.2 MUST send at least the IP header and 8 bytes of header. MAY send more (we do). * MUST NOT change this header information. * MUST NOT reply to a multicast/broadcast IP address. * MUST NOT reply to a multicast/broadcast MAC address. * MUST reply to only the first fragment. */ /* * Send ICMP_UNREACH back to the source regarding msrc. * mbuf *msrc is used as a template, but is NOT m_free()'d. * It is reported as the bad ip packet. The header should * be fully correct and in host byte order. * ICMP fragmentation is illegal. All machines must accept 576 bytes in one * packet. The maximum payload is 576-20(ip hdr)-8(icmp hdr)=548 */ #define ICMP_MAXDATALEN (IP_MSS-28) void icmp_error(struct mbuf *msrc, u_char type, u_char code, int minsize, const char *message) { unsigned hlen, shlen, s_ip_len; struct ip *ip; struct icmp *icp; struct mbuf *m; DEBUG_CALL("icmp_error"); DEBUG_ARG("msrc = %lx", (long )msrc); DEBUG_ARG("msrc_len = %d", msrc->m_len); if(type!=ICMP_UNREACH && type!=ICMP_TIMXCEED) goto end_error; /* check msrc */ if(!msrc) goto end_error; ip = mtod(msrc, struct ip *); #ifdef DEBUG { char bufa[20], bufb[20]; strcpy(bufa, inet_ntoa(ip->ip_src)); strcpy(bufb, inet_ntoa(ip->ip_dst)); DEBUG_MISC((dfd, " %.16s to %.16s\n", bufa, bufb)); } #endif if(ip->ip_off & IP_OFFMASK) goto end_error; /* Only reply to fragment 0 */ shlen=ip->ip_hl << 2; s_ip_len=ip->ip_len; if(ip->ip_p == IPPROTO_ICMP) { icp = (struct icmp *)((char *)ip + shlen); /* * Assume any unknown ICMP type is an error. This isn't * specified by the RFC, but think about it.. */ if(icp->icmp_type>18 || icmp_flush[icp->icmp_type]) goto end_error; } /* make a copy */ m = m_get(msrc->slirp); if (!m) { goto end_error; } { int new_m_size; new_m_size=sizeof(struct ip )+ICMP_MINLEN+msrc->m_len+ICMP_MAXDATALEN; if(new_m_size>m->m_size) m_inc(m, new_m_size); } memcpy(m->m_data, msrc->m_data, msrc->m_len); m->m_len = msrc->m_len; /* copy msrc to m */ /* make the header of the reply packet */ ip = mtod(m, struct ip *); hlen= sizeof(struct ip ); /* no options in reply */ /* fill in icmp */ m->m_data += hlen; m->m_len -= hlen; icp = mtod(m, struct icmp *); if(minsize) s_ip_len=shlen+ICMP_MINLEN; /* return header+8b only */ else if(s_ip_len>ICMP_MAXDATALEN) /* maximum size */ s_ip_len=ICMP_MAXDATALEN; m->m_len=ICMP_MINLEN+s_ip_len; /* 8 bytes ICMP header */ /* min. size = 8+sizeof(struct ip)+8 */ icp->icmp_type = type; icp->icmp_code = code; icp->icmp_id = 0; icp->icmp_seq = 0; memcpy(&icp->icmp_ip, msrc->m_data, s_ip_len); /* report the ip packet */ HTONS(icp->icmp_ip.ip_len); HTONS(icp->icmp_ip.ip_id); HTONS(icp->icmp_ip.ip_off); #ifdef DEBUG if(message) { /* DEBUG : append message to ICMP packet */ int message_len; char *cpnt; message_len=strlen(message); if(message_len>ICMP_MAXDATALEN) message_len=ICMP_MAXDATALEN; cpnt=(char *)m->m_data+m->m_len; memcpy(cpnt, message, message_len); m->m_len+=message_len; } #endif icp->icmp_cksum = 0; icp->icmp_cksum = cksum(m, m->m_len); m->m_data -= hlen; m->m_len += hlen; /* fill in ip */ ip->ip_hl = hlen >> 2; ip->ip_len = m->m_len; ip->ip_tos=((ip->ip_tos & 0x1E) | 0xC0); /* high priority for errors */ ip->ip_ttl = MAXTTL; ip->ip_p = IPPROTO_ICMP; ip->ip_dst = ip->ip_src; /* ip adresses */ ip->ip_src = m->slirp->vhost_addr; (void ) ip_output((struct socket *)NULL, m); end_error: return; } #undef ICMP_MAXDATALEN /* * Reflect the ip packet back to the source */ void icmp_reflect(struct mbuf *m) { struct ip *ip = mtod(m, struct ip *); int hlen = ip->ip_hl << 2; int optlen = hlen - sizeof(struct ip ); struct icmp *icp; /* * Send an icmp packet back to the ip level, * after supplying a checksum. */ m->m_data += hlen; m->m_len -= hlen; icp = mtod(m, struct icmp *); icp->icmp_cksum = 0; icp->icmp_cksum = cksum(m, ip->ip_len - hlen); m->m_data -= hlen; m->m_len += hlen; /* fill in ip */ if (optlen > 0) { /* * Strip out original options by copying rest of first * mbuf's data back, and adjust the IP length. */ memmove((caddr_t)(ip + 1), (caddr_t)ip + hlen, (unsigned )(m->m_len - hlen)); hlen -= optlen; ip->ip_hl = hlen >> 2; ip->ip_len -= optlen; m->m_len -= optlen; } ip->ip_ttl = MAXTTL; { /* swap */ struct in_addr icmp_dst; icmp_dst = ip->ip_dst; ip->ip_dst = ip->ip_src; ip->ip_src = icmp_dst; } (void ) ip_output((struct socket *)NULL, m); } vde2-2.3.2+r586/src/slirpvde/ip_icmp.h0000644000000000000000000001420513614540472014164 0ustar /* * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)ip_icmp.h 8.1 (Berkeley) 6/10/93 * ip_icmp.h,v 1.4 1995/05/30 08:09:43 rgrimes Exp */ #ifndef _NETINET_IP_ICMP_H_ #define _NETINET_IP_ICMP_H_ /* * Interface Control Message Protocol Definitions. * Per RFC 792, September 1981. */ typedef u_int32_t n_time; /* * Structure of an icmp header. */ struct icmp { u_char icmp_type; /* type of message, see below */ u_char icmp_code; /* type sub code */ u_short icmp_cksum; /* ones complement cksum of struct */ union { u_char ih_pptr; /* ICMP_PARAMPROB */ struct in_addr ih_gwaddr; /* ICMP_REDIRECT */ struct ih_idseq { u_short icd_id; u_short icd_seq; } ih_idseq; int ih_void; /* ICMP_UNREACH_NEEDFRAG -- Path MTU Discovery (RFC1191) */ struct ih_pmtu { u_short ipm_void; u_short ipm_nextmtu; } ih_pmtu; } icmp_hun; #define icmp_pptr icmp_hun.ih_pptr #define icmp_gwaddr icmp_hun.ih_gwaddr #define icmp_id icmp_hun.ih_idseq.icd_id #define icmp_seq icmp_hun.ih_idseq.icd_seq #define icmp_void icmp_hun.ih_void #define icmp_pmvoid icmp_hun.ih_pmtu.ipm_void #define icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu union { struct id_ts { n_time its_otime; n_time its_rtime; n_time its_ttime; } id_ts; struct id_ip { struct ip idi_ip; /* options and then 64 bits of data */ } id_ip; uint32_t id_mask; char id_data[1]; } icmp_dun; #define icmp_otime icmp_dun.id_ts.its_otime #define icmp_rtime icmp_dun.id_ts.its_rtime #define icmp_ttime icmp_dun.id_ts.its_ttime #define icmp_ip icmp_dun.id_ip.idi_ip #define icmp_mask icmp_dun.id_mask #define icmp_data icmp_dun.id_data }; /* * Lower bounds on packet lengths for various types. * For the error advice packets must first insure that the * packet is large enought to contain the returned ip header. * Only then can we do the check to see if 64 bits of packet * data have been returned, since we need to check the returned * ip header length. */ #define ICMP_MINLEN 8 /* abs minimum */ #define ICMP_TSLEN (8 + 3 * sizeof (n_time)) /* timestamp */ #define ICMP_MASKLEN 12 /* address mask */ #define ICMP_ADVLENMIN (8 + sizeof (struct ip) + 8) /* min */ #define ICMP_ADVLEN(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 8) /* N.B.: must separately check that ip_hl >= 5 */ /* * Definition of type and code field values. */ #define ICMP_ECHOREPLY 0 /* echo reply */ #define ICMP_UNREACH 3 /* dest unreachable, codes: */ #define ICMP_UNREACH_NET 0 /* bad net */ #define ICMP_UNREACH_HOST 1 /* bad host */ #define ICMP_UNREACH_PROTOCOL 2 /* bad protocol */ #define ICMP_UNREACH_PORT 3 /* bad port */ #define ICMP_UNREACH_NEEDFRAG 4 /* IP_DF caused drop */ #define ICMP_UNREACH_SRCFAIL 5 /* src route failed */ #define ICMP_UNREACH_NET_UNKNOWN 6 /* unknown net */ #define ICMP_UNREACH_HOST_UNKNOWN 7 /* unknown host */ #define ICMP_UNREACH_ISOLATED 8 /* src host isolated */ #define ICMP_UNREACH_NET_PROHIB 9 /* prohibited access */ #define ICMP_UNREACH_HOST_PROHIB 10 /* ditto */ #define ICMP_UNREACH_TOSNET 11 /* bad tos for net */ #define ICMP_UNREACH_TOSHOST 12 /* bad tos for host */ #define ICMP_SOURCEQUENCH 4 /* packet lost, slow down */ #define ICMP_REDIRECT 5 /* shorter route, codes: */ #define ICMP_REDIRECT_NET 0 /* for network */ #define ICMP_REDIRECT_HOST 1 /* for host */ #define ICMP_REDIRECT_TOSNET 2 /* for tos and net */ #define ICMP_REDIRECT_TOSHOST 3 /* for tos and host */ #define ICMP_ECHO 8 /* echo service */ #define ICMP_ROUTERADVERT 9 /* router advertisement */ #define ICMP_ROUTERSOLICIT 10 /* router solicitation */ #define ICMP_TIMXCEED 11 /* time exceeded, code: */ #define ICMP_TIMXCEED_INTRANS 0 /* ttl==0 in transit */ #define ICMP_TIMXCEED_REASS 1 /* ttl==0 in reass */ #define ICMP_PARAMPROB 12 /* ip header bad */ #define ICMP_PARAMPROB_OPTABSENT 1 /* req. opt. absent */ #define ICMP_TSTAMP 13 /* timestamp request */ #define ICMP_TSTAMPREPLY 14 /* timestamp reply */ #define ICMP_IREQ 15 /* information request */ #define ICMP_IREQREPLY 16 /* information reply */ #define ICMP_MASKREQ 17 /* address mask request */ #define ICMP_MASKREPLY 18 /* address mask reply */ #define ICMP_MAXTYPE 18 #define ICMP_INFOTYPE(type) \ ((type) == ICMP_ECHOREPLY || (type) == ICMP_ECHO || \ (type) == ICMP_ROUTERADVERT || (type) == ICMP_ROUTERSOLICIT || \ (type) == ICMP_TSTAMP || (type) == ICMP_TSTAMPREPLY || \ (type) == ICMP_IREQ || (type) == ICMP_IREQREPLY || \ (type) == ICMP_MASKREQ || (type) == ICMP_MASKREPLY) void icmp_input(struct mbuf *, int); void icmp_error(struct mbuf *msrc, u_char type, u_char code, int minsize, const char *message); void icmp_reflect(struct mbuf *); #endif vde2-2.3.2+r586/src/slirpvde/ip_input.c0000644000000000000000000004170213614540472014370 0ustar /* * Copyright (c) 1982, 1986, 1988, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)ip_input.c 8.2 (Berkeley) 1/4/94 * ip_input.c,v 1.11 1994/11/16 10:17:08 jkh Exp */ /* * Changes and additions relating to SLiRP are * Copyright (c) 1995 Danny Gasparovski. * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ #include #include #include "ip_icmp.h" static struct ip *ip_reass(Slirp *slirp, struct ip *ip, struct ipq *fp); static void ip_freef(Slirp *slirp, struct ipq *fp); static void ip_enq(struct ipasfrag *p, struct ipasfrag *prev); static void ip_deq(struct ipasfrag *p); /* * IP initialization: fill in IP protocol switch table. * All protocols not implemented in kernel go to raw IP protocol handler. */ void ip_init(Slirp *slirp) { slirp->ipq.ip_link.next = slirp->ipq.ip_link.prev = &slirp->ipq.ip_link; udp_init(slirp); tcp_init(slirp); } /* * Ip input routine. Checksum and byte swap header. If fragmented * try to reassemble. Process options. Pass to next level. */ void ip_input(struct mbuf *m) { Slirp *slirp = m->slirp; struct ip *ip; int hlen; DEBUG_CALL("ip_input"); DEBUG_ARG("m = %lx", (long)m); DEBUG_ARG("m_len = %d", m->m_len); if (m->m_len < sizeof (struct ip)) { return; } ip = mtod(m, struct ip *); if (ip->ip_v != IPVERSION) { goto bad; } hlen = ip->ip_hl << 2; if (hlenm->m_len) {/* min header length */ goto bad; /* or packet too short */ } /* keep ip header intact for ICMP reply * ip->ip_sum = cksum(m, hlen); * if (ip->ip_sum) { */ if(cksum(m,hlen)) { goto bad; } /* * Convert fields to host representation. */ NTOHS(ip->ip_len); if (ip->ip_len < hlen) { goto bad; } NTOHS(ip->ip_id); NTOHS(ip->ip_off); /* * Check that the amount of data in the buffers * is as at least much as the IP header would have us expect. * Trim mbufs if longer than we expect. * Drop packet if shorter than we expect. */ if (m->m_len < ip->ip_len) { goto bad; } if (slirp->restricted) { if ((ip->ip_dst.s_addr & slirp->vnetwork_mask.s_addr) == slirp->vnetwork_addr.s_addr) { if (ip->ip_dst.s_addr == 0xffffffff && ip->ip_p != IPPROTO_UDP) goto bad; } else { uint32_t inv_mask = ~slirp->vnetwork_mask.s_addr; struct ex_list *ex_ptr; if ((ip->ip_dst.s_addr & inv_mask) == inv_mask) { goto bad; } for (ex_ptr = slirp->exec_list; ex_ptr; ex_ptr = ex_ptr->ex_next) if (ex_ptr->ex_addr.s_addr == ip->ip_dst.s_addr) break; if (!ex_ptr) goto bad; } } /* Should drop packet if mbuf too long? hmmm... */ if (m->m_len > ip->ip_len) m_adj(m, ip->ip_len - m->m_len); /* check ip_ttl for a correct ICMP reply */ if(ip->ip_ttl==0 || ip->ip_ttl==1) { icmp_error(m, ICMP_TIMXCEED,ICMP_TIMXCEED_INTRANS, 0,"ttl"); goto bad; } /* * If offset or IP_MF are set, must reassemble. * Otherwise, nothing need be done. * (We could look in the reassembly queue to see * if the packet was previously fragmented, * but it's not worth the time; just let them time out.) * * XXX This should fail, don't fragment yet */ if (ip->ip_off &~ IP_DF) { struct ipq *fp; struct qlink *l; /* * Look for queue of fragments * of this datagram. */ for (l = slirp->ipq.ip_link.next; l != &slirp->ipq.ip_link; l = l->next) { fp = container_of(l, struct ipq, ip_link); if (ip->ip_id == fp->ipq_id && ip->ip_src.s_addr == fp->ipq_src.s_addr && ip->ip_dst.s_addr == fp->ipq_dst.s_addr && ip->ip_p == fp->ipq_p) goto found; } fp = NULL; found: /* * Adjust ip_len to not reflect header, * set ip_mff if more fragments are expected, * convert offset of this to bytes. */ ip->ip_len -= hlen; if (ip->ip_off & IP_MF) ip->ip_tos |= 1; else ip->ip_tos &= ~1; ip->ip_off <<= 3; /* * If datagram marked as having more fragments * or if this is not the first fragment, * attempt reassembly; if it succeeds, proceed. */ if (ip->ip_tos & 1 || ip->ip_off) { ip = ip_reass(slirp, ip, fp); if (ip == NULL) return; m = dtom(slirp, ip); } else if (fp) ip_freef(slirp, fp); } else ip->ip_len -= hlen; /* * Switch out to protocol's input routine. */ switch (ip->ip_p) { case IPPROTO_TCP: tcp_input(m, hlen, (struct socket *)NULL); break; case IPPROTO_UDP: udp_input(m, hlen); break; case IPPROTO_ICMP: icmp_input(m, hlen); break; default: m_free(m); } return; bad: m_freem(m); return; } #define iptofrag(P) ((struct ipasfrag *)(((char*)(P)) - sizeof(struct qlink))) #define fragtoip(P) ((struct ip*)(((char*)(P)) + sizeof(struct qlink))) /* * Take incoming datagram fragment and try to * reassemble it into whole datagram. If a chain for * reassembly of this datagram already exists, then it * is given as fp; otherwise have to make a chain. */ static struct ip * ip_reass(Slirp *slirp, struct ip *ip, struct ipq *fp) { struct mbuf *m = dtom(slirp, ip); struct ipasfrag *q; int hlen = ip->ip_hl << 2; int i, next; DEBUG_CALL("ip_reass"); DEBUG_ARG("ip = %lx", (long)ip); DEBUG_ARG("fp = %lx", (long)fp); DEBUG_ARG("m = %lx", (long)m); /* * Presence of header sizes in mbufs * would confuse code below. * Fragment m_data is concatenated. */ m->m_data += hlen; m->m_len -= hlen; /* * If first fragment to arrive, create a reassembly queue. */ if (fp == NULL) { struct mbuf *t = m_get(slirp); if (t == NULL) { goto dropfrag; } fp = mtod(t, struct ipq *); insque(&fp->ip_link, &slirp->ipq.ip_link); fp->ipq_ttl = IPFRAGTTL; fp->ipq_p = ip->ip_p; fp->ipq_id = ip->ip_id; fp->frag_link.next = fp->frag_link.prev = &fp->frag_link; fp->ipq_src = ip->ip_src; fp->ipq_dst = ip->ip_dst; q = (struct ipasfrag *)fp; goto insert; } /* * Find a segment which begins after this one does. */ for (q = fp->frag_link.next; q != (struct ipasfrag *)&fp->frag_link; q = q->ipf_next) if (q->ipf_off > ip->ip_off) break; /* * If there is a preceding segment, it may provide some of * our data already. If so, drop the data from the incoming * segment. If it provides all of our data, drop us. */ if (q->ipf_prev != &fp->frag_link) { struct ipasfrag *pq = q->ipf_prev; i = pq->ipf_off + pq->ipf_len - ip->ip_off; if (i > 0) { if (i >= ip->ip_len) goto dropfrag; m_adj(dtom(slirp, ip), i); ip->ip_off += i; ip->ip_len -= i; } } /* * While we overlap succeeding segments trim them or, * if they are completely covered, dequeue them. */ while (q != (struct ipasfrag*)&fp->frag_link && ip->ip_off + ip->ip_len > q->ipf_off) { i = (ip->ip_off + ip->ip_len) - q->ipf_off; if (i < q->ipf_len) { q->ipf_len -= i; q->ipf_off += i; m_adj(dtom(slirp, q), i); break; } q = q->ipf_next; m_freem(dtom(slirp, q->ipf_prev)); ip_deq(q->ipf_prev); } insert: /* * Stick new segment in its place; * check for complete reassembly. */ ip_enq(iptofrag(ip), q->ipf_prev); next = 0; for (q = fp->frag_link.next; q != (struct ipasfrag*)&fp->frag_link; q = q->ipf_next) { if (q->ipf_off != next) return NULL; next += q->ipf_len; } if (((struct ipasfrag *)(q->ipf_prev))->ipf_tos & 1) return NULL; /* * Reassembly is complete; concatenate fragments. */ q = fp->frag_link.next; m = dtom(slirp, q); q = (struct ipasfrag *) q->ipf_next; while (q != (struct ipasfrag*)&fp->frag_link) { struct mbuf *t = dtom(slirp, q); q = (struct ipasfrag *) q->ipf_next; m_cat(m, t); } /* * Create header for new ip packet by * modifying header of first packet; * dequeue and discard fragment reassembly header. * Make header visible. */ q = fp->frag_link.next; /* * If the fragments concatenated to an mbuf that's * bigger than the total size of the fragment, then and * m_ext buffer was alloced. But fp->ipq_next points to * the old buffer (in the mbuf), so we must point ip * into the new buffer. */ if (m->m_flags & M_EXT) { int delta = (char *)q - m->m_dat; q = (struct ipasfrag *)(m->m_ext + delta); } ip = fragtoip(q); ip->ip_len = next; ip->ip_tos &= ~1; ip->ip_src = fp->ipq_src; ip->ip_dst = fp->ipq_dst; remque(&fp->ip_link); (void) m_free(dtom(slirp, fp)); m->m_len += (ip->ip_hl << 2); m->m_data -= (ip->ip_hl << 2); return ip; dropfrag: m_freem(m); return NULL; } /* * Free a fragment reassembly header and all * associated datagrams. */ static void ip_freef(Slirp *slirp, struct ipq *fp) { struct ipasfrag *q, *p; for (q = fp->frag_link.next; q != (struct ipasfrag*)&fp->frag_link; q = p) { p = q->ipf_next; ip_deq(q); m_freem(dtom(slirp, q)); } remque(&fp->ip_link); (void) m_free(dtom(slirp, fp)); } /* * Put an ip fragment on a reassembly chain. * Like insque, but pointers in middle of structure. */ static void ip_enq(struct ipasfrag *p, struct ipasfrag *prev) { DEBUG_CALL("ip_enq"); DEBUG_ARG("prev = %lx", (long)prev); p->ipf_prev = prev; p->ipf_next = prev->ipf_next; ((struct ipasfrag *)(prev->ipf_next))->ipf_prev = p; prev->ipf_next = p; } /* * To ip_enq as remque is to insque. */ static void ip_deq(struct ipasfrag *p) { ((struct ipasfrag *)(p->ipf_prev))->ipf_next = p->ipf_next; ((struct ipasfrag *)(p->ipf_next))->ipf_prev = p->ipf_prev; } /* * IP timer processing; * if a timer expires on a reassembly * queue, discard it. */ void ip_slowtimo(Slirp *slirp) { struct qlink *l; DEBUG_CALL("ip_slowtimo"); l = slirp->ipq.ip_link.next; if (l == NULL) return; while (l != &slirp->ipq.ip_link) { struct ipq *fp = container_of(l, struct ipq, ip_link); l = l->next; if (--fp->ipq_ttl == 0) { ip_freef(slirp, fp); } } } /* * Do option processing on a datagram, * possibly discarding it if bad options are encountered, * or forwarding it if source-routed. * Returns 1 if packet has been forwarded/freed, * 0 if the packet should be processed further. */ #ifdef notdef int ip_dooptions(m) struct mbuf *m; { struct ip *ip = mtod(m, struct ip *); register u_char *cp; struct ip_timestamp *ipt; struct in_ifaddr *ia; int opt, optlen, cnt, off, code, type, forward = 0; struct in_addr *sin, dst; typedef u_int32_t n_time; n_time ntime; dst = ip->ip_dst; cp = (u_char *)(ip + 1); cnt = (ip->ip_hl << 2) - sizeof (struct ip); for (; cnt > 0; cnt -= optlen, cp += optlen) { opt = cp[IPOPT_OPTVAL]; if (opt == IPOPT_EOL) break; if (opt == IPOPT_NOP) optlen = 1; else { optlen = cp[IPOPT_OLEN]; if (optlen <= 0 || optlen > cnt) { code = &cp[IPOPT_OLEN] - (u_char *)ip; goto bad; } } switch (opt) { default: break; /* * Source routing with record. * Find interface with current destination address. * If none on this machine then drop if strictly routed, * or do nothing if loosely routed. * Record interface address and bring up next address * component. If strictly routed make sure next * address is on directly accessible net. */ case IPOPT_LSRR: case IPOPT_SSRR: if ((off = cp[IPOPT_OFFSET]) < IPOPT_MINOFF) { code = &cp[IPOPT_OFFSET] - (u_char *)ip; goto bad; } ipaddr.sin_addr = ip->ip_dst; ia = (struct in_ifaddr *) ifa_ifwithaddr((struct sockaddr *)&ipaddr); if (ia == 0) { if (opt == IPOPT_SSRR) { type = ICMP_UNREACH; code = ICMP_UNREACH_SRCFAIL; goto bad; } /* * Loose routing, and not at next destination * yet; nothing to do except forward. */ break; } off--; / * 0 origin * / if (off > optlen - sizeof(struct in_addr)) { /* * End of source route. Should be for us. */ save_rte(cp, ip->ip_src); break; } /* * locate outgoing interface */ bcopy((caddr_t)(cp + off), (caddr_t)&ipaddr.sin_addr, sizeof(ipaddr.sin_addr)); if (opt == IPOPT_SSRR) { #define INA struct in_ifaddr * #define SA struct sockaddr * if ((ia = (INA)ifa_ifwithdstaddr((SA)&ipaddr)) == 0) ia = (INA)ifa_ifwithnet((SA)&ipaddr); } else ia = ip_rtaddr(ipaddr.sin_addr); if (ia == 0) { type = ICMP_UNREACH; code = ICMP_UNREACH_SRCFAIL; goto bad; } ip->ip_dst = ipaddr.sin_addr; bcopy((caddr_t)&(IA_SIN(ia)->sin_addr), (caddr_t)(cp + off), sizeof(struct in_addr)); cp[IPOPT_OFFSET] += sizeof(struct in_addr); /* * Let ip_intr's mcast routing check handle mcast pkts */ forward = !IN_MULTICAST(ntohl(ip->ip_dst.s_addr)); break; case IPOPT_RR: if ((off = cp[IPOPT_OFFSET]) < IPOPT_MINOFF) { code = &cp[IPOPT_OFFSET] - (u_char *)ip; goto bad; } /* * If no space remains, ignore. */ off--; * 0 origin * if (off > optlen - sizeof(struct in_addr)) break; bcopy((caddr_t)(&ip->ip_dst), (caddr_t)&ipaddr.sin_addr, sizeof(ipaddr.sin_addr)); /* * locate outgoing interface; if we're the destination, * use the incoming interface (should be same). */ if ((ia = (INA)ifa_ifwithaddr((SA)&ipaddr)) == 0 && (ia = ip_rtaddr(ipaddr.sin_addr)) == 0) { type = ICMP_UNREACH; code = ICMP_UNREACH_HOST; goto bad; } bcopy((caddr_t)&(IA_SIN(ia)->sin_addr), (caddr_t)(cp + off), sizeof(struct in_addr)); cp[IPOPT_OFFSET] += sizeof(struct in_addr); break; case IPOPT_TS: code = cp - (u_char *)ip; ipt = (struct ip_timestamp *)cp; if (ipt->ipt_len < 5) goto bad; if (ipt->ipt_ptr > ipt->ipt_len - sizeof (int32_t)) { if (++ipt->ipt_oflw == 0) goto bad; break; } sin = (struct in_addr *)(cp + ipt->ipt_ptr - 1); switch (ipt->ipt_flg) { case IPOPT_TS_TSONLY: break; case IPOPT_TS_TSANDADDR: if (ipt->ipt_ptr + sizeof(n_time) + sizeof(struct in_addr) > ipt->ipt_len) goto bad; ipaddr.sin_addr = dst; ia = (INA)ifaof_ i f p foraddr((SA)&ipaddr, m->m_pkthdr.rcvif); if (ia == 0) continue; bcopy((caddr_t)&IA_SIN(ia)->sin_addr, (caddr_t)sin, sizeof(struct in_addr)); ipt->ipt_ptr += sizeof(struct in_addr); break; case IPOPT_TS_PRESPEC: if (ipt->ipt_ptr + sizeof(n_time) + sizeof(struct in_addr) > ipt->ipt_len) goto bad; bcopy((caddr_t)sin, (caddr_t)&ipaddr.sin_addr, sizeof(struct in_addr)); if (ifa_ifwithaddr((SA)&ipaddr) == 0) continue; ipt->ipt_ptr += sizeof(struct in_addr); break; default: goto bad; } ntime = iptime(); bcopy((caddr_t)&ntime, (caddr_t)cp + ipt->ipt_ptr - 1, sizeof(n_time)); ipt->ipt_ptr += sizeof(n_time); } } if (forward) { ip_forward(m, 1); return (1); } return (0); bad: icmp_error(m, type, code, 0, 0); return (1); } #endif /* notdef */ /* * Strip out IP options, at higher * level protocol in the kernel. * Second argument is buffer to which options * will be moved, and return value is their length. * (XXX) should be deleted; last arg currently ignored. */ void ip_stripoptions(struct mbuf *m, struct mbuf *mopt) { int i; struct ip *ip = mtod(m, struct ip *); register caddr_t opts; int olen; olen = (ip->ip_hl<<2) - sizeof (struct ip); opts = (caddr_t)(ip + 1); i = m->m_len - (sizeof (struct ip) + olen); memcpy(opts, opts + olen, (unsigned)i); m->m_len -= olen; ip->ip_hl = sizeof(struct ip) >> 2; } vde2-2.3.2+r586/src/slirpvde/ip_output.c0000644000000000000000000001140413614540472014565 0ustar /* * Copyright (c) 1982, 1986, 1988, 1990, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)ip_output.c 8.3 (Berkeley) 1/21/94 * ip_output.c,v 1.9 1994/11/16 10:17:10 jkh Exp */ /* * Changes and additions relating to SLiRP are * Copyright (c) 1995 Danny Gasparovski. * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ #include /* Number of packets queued before we start sending * (to prevent allocing too many mbufs) */ #define IF_THRESH 10 /* * IP output. The packet in mbuf chain m contains a skeletal IP * header (with len, off, ttl, proto, tos, src, dst). * The mbuf chain containing the packet will be freed. * The mbuf opt, if present, will not be freed. */ int ip_output(struct socket *so, struct mbuf *m0) { Slirp *slirp = m0->slirp; struct ip *ip; struct mbuf *m = m0; int hlen = sizeof(struct ip ); int len, off, error = 0; DEBUG_CALL("ip_output"); DEBUG_ARG("so = %lx", (long)so); DEBUG_ARG("m0 = %lx", (long)m0); ip = mtod(m, struct ip *); /* * Fill in IP header. */ ip->ip_v = IPVERSION; ip->ip_off &= IP_DF; ip->ip_id = htons(slirp->ip_id++); ip->ip_hl = hlen >> 2; /* * If small enough for interface, can just send directly. */ if ((u_int16_t)ip->ip_len <= IF_MTU) { ip->ip_len = htons((u_int16_t)ip->ip_len); ip->ip_off = htons((u_int16_t)ip->ip_off); ip->ip_sum = 0; ip->ip_sum = cksum(m, hlen); if_output(so, m); goto done; } /* * Too large for interface; fragment if possible. * Must be able to put at least 8 bytes per fragment. */ if (ip->ip_off & IP_DF) { error = -1; goto bad; } len = (IF_MTU - hlen) &~ 7; /* ip databytes per packet */ if (len < 8) { error = -1; goto bad; } { int mhlen, firstlen = len; struct mbuf **mnext = &m->m_nextpkt; /* * Loop through length of segment after first fragment, * make new header and copy data of each part and link onto chain. */ m0 = m; mhlen = sizeof (struct ip); for (off = hlen + len; off < (u_int16_t)ip->ip_len; off += len) { struct ip *mhip; m = m_get(slirp); if (m == NULL) { error = -1; goto sendorfree; } m->m_data += IF_MAXLINKHDR; mhip = mtod(m, struct ip *); *mhip = *ip; m->m_len = mhlen; mhip->ip_off = ((off - hlen) >> 3) + (ip->ip_off & ~IP_MF); if (ip->ip_off & IP_MF) mhip->ip_off |= IP_MF; if (off + len >= (u_int16_t)ip->ip_len) len = (u_int16_t)ip->ip_len - off; else mhip->ip_off |= IP_MF; mhip->ip_len = htons((u_int16_t)(len + mhlen)); if (m_copy(m, m0, off, len) < 0) { error = -1; goto sendorfree; } mhip->ip_off = htons((u_int16_t)mhip->ip_off); mhip->ip_sum = 0; mhip->ip_sum = cksum(m, mhlen); *mnext = m; mnext = &m->m_nextpkt; } /* * Update first fragment by trimming what's been copied out * and updating header, then send each fragment (in order). */ m = m0; m_adj(m, hlen + firstlen - (u_int16_t)ip->ip_len); ip->ip_len = htons((u_int16_t)m->m_len); ip->ip_off = htons((u_int16_t)(ip->ip_off | IP_MF)); ip->ip_sum = 0; ip->ip_sum = cksum(m, hlen); sendorfree: for (m = m0; m; m = m0) { m0 = m->m_nextpkt; m->m_nextpkt = NULL; if (error == 0) if_output(so, m); else m_freem(m); } } done: return (error); bad: m_freem(m0); goto done; } vde2-2.3.2+r586/src/slirpvde/libslirp.h0000644000000000000000000000461513614540472014370 0ustar #ifndef _LIBSLIRP_H #define _LIBSLIRP_H #include #include #include #include #include #include #include #include #define pstrcpy(d,l,s) strncpy((d),(s),(l)) #define qemu_strdup strdup #define qemu_malloc malloc #define qemu_free free #define qemu_mallocz(x) calloc(1,(x)) #define qemu_get_clock(x) time(NULL) #define qemu_socket socket #include #ifdef CONFIG_SLIRP struct Slirp; typedef struct Slirp Slirp; int get_dns_addr(struct in_addr *pdns_addr); Slirp *slirp_init(int restricted, struct in_addr vnetwork, struct in_addr vnetmask, struct in_addr vhost, const char *vhostname, const char *tftp_path, const char *bootfile, struct in_addr vdhcp_start, struct in_addr vnameserver, void *opaque); void slirp_cleanup(Slirp *slirp); void slirp_select_fill(int *pnfds, fd_set *readfds, fd_set *writefds, fd_set *xfds); void slirp_select_poll(fd_set *readfds, fd_set *writefds, fd_set *xfds, int select_error); void slirp_input(Slirp *slirp, const uint8_t *pkt, int pkt_len); /* you must provide the following functions: */ int slirp_can_output(void *opaque); void slirp_output(void *opaque, const uint8_t *pkt, int pkt_len); int slirp_add_hostfwd(Slirp *slirp, int is_udp, struct in_addr host_addr, int host_port, struct in_addr guest_addr, int guest_port); int slirp_remove_hostfwd(Slirp *slirp, int is_udp, struct in_addr host_addr, int host_port); int slirp_add_exec(Slirp *slirp, int do_pty, const void *args, struct in_addr *guest_addr, int guest_port); //void slirp_connection_info(Slirp *slirp, Monitor *mon); void slirp_socket_recv(Slirp *slirp, struct in_addr guest_addr, int guest_port, const uint8_t *buf, int size); size_t slirp_socket_can_recv(Slirp *slirp, struct in_addr guest_addr, int guest_port); #else /* !CONFIG_SLIRP */ static inline void slirp_select_fill(int *pnfds, fd_set *readfds, fd_set *writefds, fd_set *xfds) { } static inline void slirp_select_poll(fd_set *readfds, fd_set *writefds, fd_set *xfds, int select_error) { } #endif /* !CONFIG_SLIRP */ #endif vde2-2.3.2+r586/src/slirpvde/main.h0000644000000000000000000000220313614540472013463 0ustar /* * Copyright (c) 1995 Danny Gasparovski. * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ #ifdef HAVE_SYS_SELECT_H #include #endif #define TOWRITEMAX 512 extern int slirp_socket; extern int slirp_socket_unit; extern int slirp_socket_port; extern u_int32_t slirp_socket_addr; extern char *slirp_socket_passwd; extern int ctty_closed; /* * Get the difference in 2 times from updtim() * Allow for wraparound times, "just in case" * x is the greater of the 2 (current time) and y is * what it's being compared against. */ #define TIME_DIFF(x,y) (x)-(y) < 0 ? ~0-(y)+(x) : (x)-(y) extern char *slirp_tty; extern char *exec_shell; extern u_int curtime; extern fd_set *global_readfds, *global_writefds, *global_xfds; extern struct in_addr loopback_addr; extern char *username; extern char *socket_path; extern int towrite_max; extern int ppp_exit; extern int tcp_keepintvl; #define PROTO_SLIP 0x1 #ifdef USE_PPP #define PROTO_PPP 0x2 #endif void if_encap(Slirp *slirp, const uint8_t *ip_data, int ip_data_len); ssize_t slirp_send(struct socket *so, const void *buf, size_t len, int flags); vde2-2.3.2+r586/src/slirpvde/mbuf.c0000644000000000000000000001062513614540472013472 0ustar /* * Copyright (c) 1995 Danny Gasparovski * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ /* * mbuf's in SLiRP are much simpler than the real mbufs in * FreeBSD. They are fixed size, determined by the MTU, * so that one whole packet can fit. Mbuf's cannot be * chained together. If there's more data than the mbuf * could hold, an external malloced buffer is pointed to * by m_ext (and the data pointers) and M_EXT is set in * the flags */ #include #define MBUF_THRESH 30 /* * Find a nice value for msize * XXX if_maxlinkhdr already in mtu */ #define SLIRP_MSIZE (IF_MTU + IF_MAXLINKHDR + sizeof(struct m_hdr ) + 6) void m_init(Slirp *slirp) { slirp->m_freelist.m_next = slirp->m_freelist.m_prev = &slirp->m_freelist; slirp->m_usedlist.m_next = slirp->m_usedlist.m_prev = &slirp->m_usedlist; } /* * Get an mbuf from the free list, if there are none * malloc one * * Because fragmentation can occur if we alloc new mbufs and * free old mbufs, we mark all mbufs above mbuf_thresh as M_DOFREE, * which tells m_free to actually free() it */ struct mbuf * m_get(Slirp *slirp) { struct mbuf *m; int flags = 0; DEBUG_CALL("m_get"); if (slirp->m_freelist.m_next == &slirp->m_freelist) { m = (struct mbuf *)malloc(SLIRP_MSIZE); if (m == NULL) goto end_error; slirp->mbuf_alloced++; if (slirp->mbuf_alloced > MBUF_THRESH) flags = M_DOFREE; m->slirp = slirp; } else { m = slirp->m_freelist.m_next; remque(m); } /* Insert it in the used list */ insque(m,&slirp->m_usedlist); m->m_flags = (flags | M_USEDLIST); /* Initialise it */ m->m_size = SLIRP_MSIZE - sizeof(struct m_hdr); m->m_data = m->m_dat; m->m_len = 0; m->m_nextpkt = NULL; m->m_prevpkt = NULL; end_error: DEBUG_ARG("m = %lx", (long )m); return m; } void m_free(struct mbuf *m) { DEBUG_CALL("m_free"); DEBUG_ARG("m = %lx", (long )m); if(m) { /* Remove from m_usedlist */ if (m->m_flags & M_USEDLIST) remque(m); /* If it's M_EXT, free() it */ if (m->m_flags & M_EXT) free(m->m_ext); /* * Either free() it or put it on the free list */ if (m->m_flags & M_DOFREE) { m->slirp->mbuf_alloced--; free(m); } else if ((m->m_flags & M_FREELIST) == 0) { insque(m,&m->slirp->m_freelist); m->m_flags = M_FREELIST; /* Clobber other flags */ } } /* if(m) */ } /* * Copy data from one mbuf to the end of * the other.. if result is too big for one mbuf, malloc() * an M_EXT data segment */ void m_cat(struct mbuf *m, struct mbuf *n) { /* * If there's no room, realloc */ if (M_FREEROOM(m) < n->m_len) m_inc(m,m->m_size+MINCSIZE); memcpy(m->m_data+m->m_len, n->m_data, n->m_len); m->m_len += n->m_len; m_free(n); } /* make m size bytes large */ void m_inc(struct mbuf *m, int size) { int datasize; /* some compiles throw up on gotos. This one we can fake. */ if(m->m_size>size) return; if (m->m_flags & M_EXT) { datasize = m->m_data - m->m_ext; m->m_ext = (char *)realloc(m->m_ext,size); m->m_data = m->m_ext + datasize; } else { char *dat; datasize = m->m_data - m->m_dat; dat = (char *)malloc(size); memcpy(dat, m->m_dat, m->m_size); m->m_ext = dat; m->m_data = m->m_ext + datasize; m->m_flags |= M_EXT; } m->m_size = size; } void m_adj(struct mbuf *m, int len) { if (m == NULL) return; if (len >= 0) { /* Trim from head */ m->m_data += len; m->m_len -= len; } else { /* Trim from tail */ len = -len; m->m_len -= len; } } /* * Copy len bytes from m, starting off bytes into n */ int m_copy(struct mbuf *n, struct mbuf *m, int off, int len) { if (len > M_FREEROOM(n)) return -1; memcpy((n->m_data + n->m_len), (m->m_data + off), len); n->m_len += len; return 0; } /* * Given a pointer into an mbuf, return the mbuf * XXX This is a kludge, I should eliminate the need for it * Fortunately, it's not used often */ struct mbuf * dtom(Slirp *slirp, void *dat) { struct mbuf *m; DEBUG_CALL("dtom"); DEBUG_ARG("dat = %lx", (long )dat); /* bug corrected for M_EXT buffers */ for (m = slirp->m_usedlist.m_next; m != &slirp->m_usedlist; m = m->m_next) { if (m->m_flags & M_EXT) { if( (char *)dat>=m->m_ext && (char *)dat<(m->m_ext + m->m_size) ) return m; } else { if( (char *)dat >= m->m_dat && (char *)dat<(m->m_dat + m->m_size) ) return m; } } DEBUG_ERROR((dfd, "dtom failed")); return (struct mbuf *)0; } vde2-2.3.2+r586/src/slirpvde/mbuf.h0000644000000000000000000001037113614540472013475 0ustar /* * Copyright (c) 1982, 1986, 1988, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)mbuf.h 8.3 (Berkeley) 1/21/94 * mbuf.h,v 1.9 1994/11/14 13:54:20 bde Exp */ #ifndef _MBUF_H_ #define _MBUF_H_ #define m_freem m_free #define MINCSIZE 4096 /* Amount to increase mbuf if too small */ /* * Macros for type conversion * mtod(m,t) - convert mbuf pointer to data pointer of correct type */ #define mtod(m,t) ((t)(m)->m_data) /* XXX About mbufs for slirp: * Only one mbuf is ever used in a chain, for each "cell" of data. * m_nextpkt points to the next packet, if fragmented. * If the data is too large, the M_EXT is used, and a larger block * is alloced. Therefore, m_free[m] must check for M_EXT and if set * free the m_ext. This is inefficient memory-wise, but who cares. */ /* XXX should union some of these! */ /* header at beginning of each mbuf: */ struct m_hdr { struct mbuf *mh_next; /* Linked list of mbufs */ struct mbuf *mh_prev; struct mbuf *mh_nextpkt; /* Next packet in queue/record */ struct mbuf *mh_prevpkt; /* Flags aren't used in the output queue */ int mh_flags; /* Misc flags */ int mh_size; /* Size of data */ struct socket *mh_so; caddr_t mh_data; /* Location of data */ int mh_len; /* Amount of data in this mbuf */ }; /* * How much room is in the mbuf, from m_data to the end of the mbuf */ #define M_ROOM(m) ((m->m_flags & M_EXT)? \ (((m)->m_ext + (m)->m_size) - (m)->m_data) \ : \ (((m)->m_dat + (m)->m_size) - (m)->m_data)) /* * How much free room there is */ #define M_FREEROOM(m) (M_ROOM(m) - (m)->m_len) #define M_TRAILINGSPACE M_FREEROOM struct mbuf { struct m_hdr m_hdr; Slirp *slirp; union M_dat { char m_dat_[1]; /* ANSI don't like 0 sized arrays */ char *m_ext_; } M_dat; }; #define m_next m_hdr.mh_next #define m_prev m_hdr.mh_prev #define m_nextpkt m_hdr.mh_nextpkt #define m_prevpkt m_hdr.mh_prevpkt #define m_flags m_hdr.mh_flags #define m_len m_hdr.mh_len #define m_data m_hdr.mh_data #define m_size m_hdr.mh_size #define m_dat M_dat.m_dat_ #define m_ext M_dat.m_ext_ #define m_so m_hdr.mh_so #define ifq_prev m_prev #define ifq_next m_next #define ifs_prev m_prevpkt #define ifs_next m_nextpkt #define ifq_so m_so #define M_EXT 0x01 /* m_ext points to more (malloced) data */ #define M_FREELIST 0x02 /* mbuf is on free list */ #define M_USEDLIST 0x04 /* XXX mbuf is on used list (for dtom()) */ #define M_DOFREE 0x08 /* when m_free is called on the mbuf, free() * it rather than putting it on the free list */ void m_init(Slirp *); struct mbuf * m_get(Slirp *); void m_free(struct mbuf *); void m_cat(struct mbuf *, struct mbuf *); void m_inc(struct mbuf *, int); void m_adj(struct mbuf *, int); int m_copy(struct mbuf *, struct mbuf *, int, int); struct mbuf * dtom(Slirp *, void *); #endif vde2-2.3.2+r586/src/slirpvde/misc.c0000644000000000000000000002447313614540472013502 0ustar /* * Copyright (c) 1995 Danny Gasparovski. * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ #include #include #if 0 #include "monitor.h" #endif #ifdef DEBUG int slirp_debug = DBG_CALL|DBG_MISC|DBG_ERROR; #endif struct quehead { struct quehead *qh_link; struct quehead *qh_rlink; }; inline void insque(void *a, void *b) { struct quehead *element = (struct quehead *) a; struct quehead *head = (struct quehead *) b; element->qh_link = head->qh_link; head->qh_link = (struct quehead *)element; element->qh_rlink = (struct quehead *)head; ((struct quehead *)(element->qh_link))->qh_rlink = (struct quehead *)element; } inline void remque(void *a) { struct quehead *element = (struct quehead *) a; ((struct quehead *)(element->qh_link))->qh_rlink = element->qh_rlink; ((struct quehead *)(element->qh_rlink))->qh_link = element->qh_link; element->qh_rlink = NULL; } int add_exec(struct ex_list **ex_ptr, int do_pty, char *exec, struct in_addr addr, int port) { struct ex_list *tmp_ptr; /* First, check if the port is "bound" */ for (tmp_ptr = *ex_ptr; tmp_ptr; tmp_ptr = tmp_ptr->ex_next) { if (port == tmp_ptr->ex_fport && addr.s_addr == tmp_ptr->ex_addr.s_addr) return -1; } tmp_ptr = *ex_ptr; *ex_ptr = (struct ex_list *)malloc(sizeof(struct ex_list)); (*ex_ptr)->ex_fport = port; (*ex_ptr)->ex_addr = addr; (*ex_ptr)->ex_pty = do_pty; (*ex_ptr)->ex_exec = (do_pty == 3) ? exec : strdup(exec); (*ex_ptr)->ex_next = tmp_ptr; return 0; } #ifndef HAVE_STRERROR /* * For systems with no strerror */ extern int sys_nerr; extern char *sys_errlist[]; char * strerror(error) int error; { if (error < sys_nerr) return sys_errlist[error]; else return "Unknown error."; } #endif #if 0 #ifdef _WIN32 int fork_exec(struct socket *so, const char *ex, int do_pty) { /* not implemented */ return 0; } #else /* * XXX This is ugly * We create and bind a socket, then fork off to another * process, which connects to this socket, after which we * exec the wanted program. If something (strange) happens, * the accept() call could block us forever. * * do_pty = 0 Fork/exec inetd style * do_pty = 1 Fork/exec using slirp.telnetd * do_ptr = 2 Fork/exec using pty */ int fork_exec(struct socket *so, const char *ex, int do_pty) { int s; struct sockaddr_in addr; socklen_t addrlen = sizeof(addr); int opt; int master = -1; const char *argv[256]; /* don't want to clobber the original */ char *bptr; const char *curarg; int c, i, ret; DEBUG_CALL("fork_exec"); DEBUG_ARG("so = %lx", (long)so); DEBUG_ARG("ex = %lx", (long)ex); DEBUG_ARG("do_pty = %lx", (long)do_pty); if (do_pty == 2) { return 0; } else { addr.sin_family = AF_INET; addr.sin_port = 0; addr.sin_addr.s_addr = INADDR_ANY; if ((s = qemu_socket(AF_INET, SOCK_STREAM, 0)) < 0 || bind(s, (struct sockaddr *)&addr, addrlen) < 0 || listen(s, 1) < 0) { lprint("Error: inet socket: %s\n", strerror(errno)); closesocket(s); return 0; } } switch(fork()) { case -1: lprint("Error: fork failed: %s\n", strerror(errno)); close(s); if (do_pty == 2) close(master); return 0; case 0: /* Set the DISPLAY */ if (do_pty == 2) { (void) close(master); #ifdef TIOCSCTTY /* XXXXX */ (void) setsid(); ioctl(s, TIOCSCTTY, (char *)NULL); #endif } else { getsockname(s, (struct sockaddr *)&addr, &addrlen); close(s); /* * Connect to the socket * XXX If any of these fail, we're in trouble! */ s = qemu_socket(AF_INET, SOCK_STREAM, 0); addr.sin_addr = loopback_addr; do { ret = connect(s, (struct sockaddr *)&addr, addrlen); } while (ret < 0 && errno == EINTR); } dup2(s, 0); dup2(s, 1); dup2(s, 2); for (s = getdtablesize() - 1; s >= 3; s--) close(s); i = 0; bptr = qemu_strdup(ex); /* No need to free() this */ if (do_pty == 1) { /* Setup "slirp.telnetd -x" */ argv[i++] = "slirp.telnetd"; argv[i++] = "-x"; argv[i++] = bptr; } else do { /* Change the string into argv[] */ curarg = bptr; while (*bptr != ' ' && *bptr != (char)0) bptr++; c = *bptr; *bptr++ = (char)0; argv[i++] = strdup(curarg); } while (c); argv[i] = NULL; execvp(argv[0], (char **)argv); /* Ooops, failed, let's tell the user why */ { char buff[256]; snprintf(buff, sizeof(buff), "Error: execvp of %s failed: %s\n", argv[0], strerror(errno)); write(2, buff, strlen(buff)+1); } close(0); close(1); close(2); /* XXX */ exit(1); default: if (do_pty == 2) { close(s); so->s = master; } else { /* * XXX this could block us... * XXX Should set a timer here, and if accept() doesn't * return after X seconds, declare it a failure * The only reason this will block forever is if socket() * of connect() fail in the child process */ do { so->s = accept(s, (struct sockaddr *)&addr, &addrlen); } while (so->s < 0 && errno == EINTR); closesocket(s); opt = 1; setsockopt(so->s,SOL_SOCKET,SO_REUSEADDR,(char *)&opt,sizeof(int)); opt = 1; setsockopt(so->s,SOL_SOCKET,SO_OOBINLINE,(char *)&opt,sizeof(int)); } fd_nonblock(so->s); /* Append the telnet options now */ if (so->so_m != NULL && do_pty == 1) { sbappend(so, so->so_m); so->so_m = NULL; } return 1; } } #endif #endif #ifndef HAVE_STRDUP char * strdup(str) const char *str; { char *bptr; bptr = (char *)malloc(strlen(str)+1); strcpy(bptr, str); return bptr; } #endif void lprint(const char *format, ...) { va_list args; va_start(args, format); vfprintf(stderr, format, args); va_end(args); } #ifdef BAD_SPRINTF #undef vsprintf #undef sprintf /* * Some BSD-derived systems have a sprintf which returns char * */ int vsprintf_len(string, format, args) char *string; const char *format; va_list args; { vsprintf(string, format, args); return strlen(string); } int #ifdef __STDC__ sprintf_len(char *string, const char *format, ...) #else sprintf_len(va_alist) va_dcl #endif { va_list args; #ifdef __STDC__ va_start(args, format); #else char *string; char *format; va_start(args); string = va_arg(args, char *); format = va_arg(args, char *); #endif vsprintf(string, format, args); return strlen(string); } #endif void u_sleep(int usec) { struct timeval t; fd_set fdset; FD_ZERO(&fdset); t.tv_sec = 0; t.tv_usec = usec * 1000; select(0, &fdset, &fdset, &fdset, &t); } /* * Set fd blocking and non-blocking */ void fd_nonblock(int fd) { #ifdef FIONBIO #ifdef _WIN32 unsigned long opt = 1; #else int opt = 1; #endif ioctlsocket(fd, FIONBIO, &opt); #else int opt; opt = fcntl(fd, F_GETFL, 0); opt |= O_NONBLOCK; fcntl(fd, F_SETFL, opt); #endif } void fd_block(int fd) { #ifdef FIONBIO #ifdef _WIN32 unsigned long opt = 0; #else int opt = 0; #endif ioctlsocket(fd, FIONBIO, &opt); #else int opt; opt = fcntl(fd, F_GETFL, 0); opt &= ~O_NONBLOCK; fcntl(fd, F_SETFL, opt); #endif } #if 0 void slirp_connection_info(Slirp *slirp, Monitor *mon) { const char * const tcpstates[] = { [TCPS_CLOSED] = "CLOSED", [TCPS_LISTEN] = "LISTEN", [TCPS_SYN_SENT] = "SYN_SENT", [TCPS_SYN_RECEIVED] = "SYN_RCVD", [TCPS_ESTABLISHED] = "ESTABLISHED", [TCPS_CLOSE_WAIT] = "CLOSE_WAIT", [TCPS_FIN_WAIT_1] = "FIN_WAIT_1", [TCPS_CLOSING] = "CLOSING", [TCPS_LAST_ACK] = "LAST_ACK", [TCPS_FIN_WAIT_2] = "FIN_WAIT_2", [TCPS_TIME_WAIT] = "TIME_WAIT", }; struct in_addr dst_addr; struct sockaddr_in src; socklen_t src_len; uint16_t dst_port; struct socket *so; const char *state; char buf[20]; int n; monitor_printf(mon, " Protocol[State] FD Source Address Port " "Dest. Address Port RecvQ SendQ\n"); for (so = slirp->tcb.so_next; so != &slirp->tcb; so = so->so_next) { if (so->so_state & SS_HOSTFWD) { state = "HOST_FORWARD"; } else if (so->so_tcpcb) { state = tcpstates[so->so_tcpcb->t_state]; } else { state = "NONE"; } if (so->so_state & (SS_HOSTFWD | SS_INCOMING)) { src_len = sizeof(src); getsockname(so->s, (struct sockaddr *)&src, &src_len); dst_addr = so->so_laddr; dst_port = so->so_lport; } else { src.sin_addr = so->so_laddr; src.sin_port = so->so_lport; dst_addr = so->so_faddr; dst_port = so->so_fport; } n = snprintf(buf, sizeof(buf), " TCP[%s]", state); memset(&buf[n], ' ', 19 - n); buf[19] = 0; monitor_printf(mon, "%s %3d %15s %5d ", buf, so->s, src.sin_addr.s_addr ? inet_ntoa(src.sin_addr) : "*", ntohs(src.sin_port)); monitor_printf(mon, "%15s %5d %5d %5d\n", inet_ntoa(dst_addr), ntohs(dst_port), so->so_rcv.sb_cc, so->so_snd.sb_cc); } for (so = slirp->udb.so_next; so != &slirp->udb; so = so->so_next) { if (so->so_state & SS_HOSTFWD) { n = snprintf(buf, sizeof(buf), " UDP[HOST_FORWARD]"); src_len = sizeof(src); getsockname(so->s, (struct sockaddr *)&src, &src_len); dst_addr = so->so_laddr; dst_port = so->so_lport; } else { n = snprintf(buf, sizeof(buf), " UDP[%d sec]", (so->so_expire - curtime) / 1000); src.sin_addr = so->so_laddr; src.sin_port = so->so_lport; dst_addr = so->so_faddr; dst_port = so->so_fport; } memset(&buf[n], ' ', 19 - n); buf[19] = 0; monitor_printf(mon, "%s %3d %15s %5d ", buf, so->s, src.sin_addr.s_addr ? inet_ntoa(src.sin_addr) : "*", ntohs(src.sin_port)); monitor_printf(mon, "%15s %5d %5d %5d\n", inet_ntoa(dst_addr), ntohs(dst_port), so->so_rcv.sb_cc, so->so_snd.sb_cc); } } #endif vde2-2.3.2+r586/src/slirpvde/misc.h0000644000000000000000000000276313614540472013505 0ustar /* * Copyright (c) 1995 Danny Gasparovski. * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ #ifndef _MISC_H_ #define _MISC_H_ struct ex_list { int ex_pty; /* Do we want a pty? */ struct in_addr ex_addr; /* Server address */ int ex_fport; /* Port to telnet to */ const char *ex_exec; /* Command line of what to exec */ struct ex_list *ex_next; }; #ifndef HAVE_STRDUP char *strdup(const char *); #endif void do_wait(int); #define EMU_NONE 0x0 /* TCP emulations */ #define EMU_CTL 0x1 #define EMU_FTP 0x2 #define EMU_KSH 0x3 #define EMU_IRC 0x4 #define EMU_REALAUDIO 0x5 #define EMU_RLOGIN 0x6 #define EMU_IDENT 0x7 #define EMU_RSH 0x8 #define EMU_NOCONNECT 0x10 /* Don't connect */ struct tos_t { u_int16_t lport; u_int16_t fport; u_int8_t tos; u_int8_t emu; }; struct emu_t { u_int16_t lport; u_int16_t fport; u_int8_t tos; u_int8_t emu; struct emu_t *next; }; extern int x_port, x_server, x_display; int show_x(char *, struct socket *); void redir_x(u_int32_t, int, int, int); void slirp_insque(void *, void *); void slirp_remque(void *); int add_exec(struct ex_list **, int, char *, struct in_addr, int); int slirp_openpty(int *, int *); int fork_exec(struct socket *so, const char *ex, int do_pty); void snooze_hup(int); void snooze(void); void relay(int); void add_emu(char *); void u_sleep(int); void fd_nonblock(int); void fd_block(int); int rsh_exec(struct socket *, struct socket *, char *, char *, char *); #endif vde2-2.3.2+r586/src/slirpvde/osdep.h0000644000000000000000000000067413614540472013663 0ustar #ifndef _OSDEP_H #define _OSDEP_H /* fake osdep.h to minimize the differences between qemu slirp and vde slirp support */ #ifdef CONFIG_NEED_OFFSETOF #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER) #endif #ifndef container_of #define container_of(ptr, type, member) ({ \ const typeof(((type *) 0)->member) *__mptr = (ptr); \ (type *) ((char *) __mptr - offsetof(type, member));}) #endif #endif vde2-2.3.2+r586/src/slirpvde/qemu-common.h0000644000000000000000000000031613614540472014777 0ustar #ifndef _QEMU_COMMON_H #define _QEMU_COMMON_H /* fake qemu_common.h to minimize the differences between qemu slirp and vde slirp support */ #ifndef MIN #define MIN(X,Y) ((X)<(Y)?(X):(Y)) #endif #endif vde2-2.3.2+r586/src/slirpvde/qemu-queue.h0000644000000000000000000005377013614540472014647 0ustar /* $NetBSD: queue.h,v 1.52 2009/04/20 09:56:08 mschuett Exp $ */ /* * Qemu version: Copy from netbsd, removed debug code, removed some of * the implementations. Left in lists, simple queues, tail queues and * circular queues. */ /* * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)queue.h 8.5 (Berkeley) 8/20/94 */ #ifndef QEMU_SYS_QUEUE_H_ #define QEMU_SYS_QUEUE_H_ /* * This file defines four types of data structures: * lists, simple queues, tail queues, and circular queues. * * A list is headed by a single forward pointer (or an array of forward * pointers for a hash table header). The elements are doubly linked * so that an arbitrary element can be removed without a need to * traverse the list. New elements can be added to the list before * or after an existing element or at the head of the list. A list * may only be traversed in the forward direction. * * A simple queue is headed by a pair of pointers, one the head of the * list and the other to the tail of the list. The elements are singly * linked to save space, so elements can only be removed from the * head of the list. New elements can be added to the list after * an existing element, at the head of the list, or at the end of the * list. A simple queue may only be traversed in the forward direction. * * A tail queue is headed by a pair of pointers, one to the head of the * list and the other to the tail of the list. The elements are doubly * linked so that an arbitrary element can be removed without a need to * traverse the list. New elements can be added to the list before or * after an existing element, at the head of the list, or at the end of * the list. A tail queue may be traversed in either direction. * * A circle queue is headed by a pair of pointers, one to the head of the * list and the other to the tail of the list. The elements are doubly * linked so that an arbitrary element can be removed without a need to * traverse the list. New elements can be added to the list before or after * an existing element, at the head of the list, or at the end of the list. * A circle queue may be traversed in either direction, but has a more * complex end of list detection. * * For details on the use of these macros, see the queue(3) manual page. */ /* * List definitions. */ #define QLIST_HEAD(name, type) \ struct name { \ struct type *lh_first; /* first element */ \ } #define QLIST_HEAD_INITIALIZER(head) \ { NULL } #define QLIST_ENTRY(type) \ struct { \ struct type *le_next; /* next element */ \ struct type **le_prev; /* address of previous next element */ \ } /* * List functions. */ #define QLIST_INIT(head) do { \ (head)->lh_first = NULL; \ } while (/*CONSTCOND*/0) #define QLIST_INSERT_AFTER(listelm, elm, field) do { \ if (((elm)->field.le_next = (listelm)->field.le_next) != NULL) \ (listelm)->field.le_next->field.le_prev = \ &(elm)->field.le_next; \ (listelm)->field.le_next = (elm); \ (elm)->field.le_prev = &(listelm)->field.le_next; \ } while (/*CONSTCOND*/0) #define QLIST_INSERT_BEFORE(listelm, elm, field) do { \ (elm)->field.le_prev = (listelm)->field.le_prev; \ (elm)->field.le_next = (listelm); \ *(listelm)->field.le_prev = (elm); \ (listelm)->field.le_prev = &(elm)->field.le_next; \ } while (/*CONSTCOND*/0) #define QLIST_INSERT_HEAD(head, elm, field) do { \ if (((elm)->field.le_next = (head)->lh_first) != NULL) \ (head)->lh_first->field.le_prev = &(elm)->field.le_next;\ (head)->lh_first = (elm); \ (elm)->field.le_prev = &(head)->lh_first; \ } while (/*CONSTCOND*/0) #define QLIST_REMOVE(elm, field) do { \ if ((elm)->field.le_next != NULL) \ (elm)->field.le_next->field.le_prev = \ (elm)->field.le_prev; \ *(elm)->field.le_prev = (elm)->field.le_next; \ } while (/*CONSTCOND*/0) #define QLIST_FOREACH(var, head, field) \ for ((var) = ((head)->lh_first); \ (var); \ (var) = ((var)->field.le_next)) #define QLIST_FOREACH_SAFE(var, head, field, next_var) \ for ((var) = ((head)->lh_first); \ (var) && ((next_var) = ((var)->field.le_next), 1); \ (var) = (next_var)) /* * List access methods. */ #define QLIST_EMPTY(head) ((head)->lh_first == NULL) #define QLIST_FIRST(head) ((head)->lh_first) #define QLIST_NEXT(elm, field) ((elm)->field.le_next) /* * Simple queue definitions. */ #define QSIMPLEQ_HEAD(name, type) \ struct name { \ struct type *sqh_first; /* first element */ \ struct type **sqh_last; /* addr of last next element */ \ } #define QSIMPLEQ_HEAD_INITIALIZER(head) \ { NULL, &(head).sqh_first } #define QSIMPLEQ_ENTRY(type) \ struct { \ struct type *sqe_next; /* next element */ \ } /* * Simple queue functions. */ #define QSIMPLEQ_INIT(head) do { \ (head)->sqh_first = NULL; \ (head)->sqh_last = &(head)->sqh_first; \ } while (/*CONSTCOND*/0) #define QSIMPLEQ_INSERT_HEAD(head, elm, field) do { \ if (((elm)->field.sqe_next = (head)->sqh_first) == NULL) \ (head)->sqh_last = &(elm)->field.sqe_next; \ (head)->sqh_first = (elm); \ } while (/*CONSTCOND*/0) #define QSIMPLEQ_INSERT_TAIL(head, elm, field) do { \ (elm)->field.sqe_next = NULL; \ *(head)->sqh_last = (elm); \ (head)->sqh_last = &(elm)->field.sqe_next; \ } while (/*CONSTCOND*/0) #define QSIMPLEQ_INSERT_AFTER(head, listelm, elm, field) do { \ if (((elm)->field.sqe_next = (listelm)->field.sqe_next) == NULL) \ (head)->sqh_last = &(elm)->field.sqe_next; \ (listelm)->field.sqe_next = (elm); \ } while (/*CONSTCOND*/0) #define QSIMPLEQ_REMOVE_HEAD(head, field) do { \ if (((head)->sqh_first = (head)->sqh_first->field.sqe_next) == NULL)\ (head)->sqh_last = &(head)->sqh_first; \ } while (/*CONSTCOND*/0) #define QSIMPLEQ_REMOVE(head, elm, type, field) do { \ if ((head)->sqh_first == (elm)) { \ QSIMPLEQ_REMOVE_HEAD((head), field); \ } else { \ struct type *curelm = (head)->sqh_first; \ while (curelm->field.sqe_next != (elm)) \ curelm = curelm->field.sqe_next; \ if ((curelm->field.sqe_next = \ curelm->field.sqe_next->field.sqe_next) == NULL) \ (head)->sqh_last = &(curelm)->field.sqe_next; \ } \ } while (/*CONSTCOND*/0) #define QSIMPLEQ_FOREACH(var, head, field) \ for ((var) = ((head)->sqh_first); \ (var); \ (var) = ((var)->field.sqe_next)) #define QSIMPLEQ_FOREACH_SAFE(var, head, field, next) \ for ((var) = ((head)->sqh_first); \ (var) && ((next = ((var)->field.sqe_next)), 1); \ (var) = (next)) #define QSIMPLEQ_CONCAT(head1, head2) do { \ if (!QSIMPLEQ_EMPTY((head2))) { \ *(head1)->sqh_last = (head2)->sqh_first; \ (head1)->sqh_last = (head2)->sqh_last; \ QSIMPLEQ_INIT((head2)); \ } \ } while (/*CONSTCOND*/0) #define QSIMPLEQ_LAST(head, type, field) \ (QSIMPLEQ_EMPTY((head)) ? \ NULL : \ ((struct type *)(void *) \ ((char *)((head)->sqh_last) - offsetof(struct type, field)))) /* * Simple queue access methods. */ #define QSIMPLEQ_EMPTY(head) ((head)->sqh_first == NULL) #define QSIMPLEQ_FIRST(head) ((head)->sqh_first) #define QSIMPLEQ_NEXT(elm, field) ((elm)->field.sqe_next) /* * Tail queue definitions. */ #define Q_TAILQ_HEAD(name, type, qual) \ struct name { \ qual type *tqh_first; /* first element */ \ qual type *qual *tqh_last; /* addr of last next element */ \ } #define QTAILQ_HEAD(name, type) Q_TAILQ_HEAD(name, struct type,) #define QTAILQ_HEAD_INITIALIZER(head) \ { NULL, &(head).tqh_first } #define Q_TAILQ_ENTRY(type, qual) \ struct { \ qual type *tqe_next; /* next element */ \ qual type *qual *tqe_prev; /* address of previous next element */\ } #define QTAILQ_ENTRY(type) Q_TAILQ_ENTRY(struct type,) /* * Tail queue functions. */ #define QTAILQ_INIT(head) do { \ (head)->tqh_first = NULL; \ (head)->tqh_last = &(head)->tqh_first; \ } while (/*CONSTCOND*/0) #define QTAILQ_INSERT_HEAD(head, elm, field) do { \ if (((elm)->field.tqe_next = (head)->tqh_first) != NULL) \ (head)->tqh_first->field.tqe_prev = \ &(elm)->field.tqe_next; \ else \ (head)->tqh_last = &(elm)->field.tqe_next; \ (head)->tqh_first = (elm); \ (elm)->field.tqe_prev = &(head)->tqh_first; \ } while (/*CONSTCOND*/0) #define QTAILQ_INSERT_TAIL(head, elm, field) do { \ (elm)->field.tqe_next = NULL; \ (elm)->field.tqe_prev = (head)->tqh_last; \ *(head)->tqh_last = (elm); \ (head)->tqh_last = &(elm)->field.tqe_next; \ } while (/*CONSTCOND*/0) #define QTAILQ_INSERT_AFTER(head, listelm, elm, field) do { \ if (((elm)->field.tqe_next = (listelm)->field.tqe_next) != NULL)\ (elm)->field.tqe_next->field.tqe_prev = \ &(elm)->field.tqe_next; \ else \ (head)->tqh_last = &(elm)->field.tqe_next; \ (listelm)->field.tqe_next = (elm); \ (elm)->field.tqe_prev = &(listelm)->field.tqe_next; \ } while (/*CONSTCOND*/0) #define QTAILQ_INSERT_BEFORE(listelm, elm, field) do { \ (elm)->field.tqe_prev = (listelm)->field.tqe_prev; \ (elm)->field.tqe_next = (listelm); \ *(listelm)->field.tqe_prev = (elm); \ (listelm)->field.tqe_prev = &(elm)->field.tqe_next; \ } while (/*CONSTCOND*/0) #define QTAILQ_REMOVE(head, elm, field) do { \ if (((elm)->field.tqe_next) != NULL) \ (elm)->field.tqe_next->field.tqe_prev = \ (elm)->field.tqe_prev; \ else \ (head)->tqh_last = (elm)->field.tqe_prev; \ *(elm)->field.tqe_prev = (elm)->field.tqe_next; \ } while (/*CONSTCOND*/0) #define QTAILQ_FOREACH(var, head, field) \ for ((var) = ((head)->tqh_first); \ (var); \ (var) = ((var)->field.tqe_next)) #define QTAILQ_FOREACH_SAFE(var, head, field, next_var) \ for ((var) = ((head)->tqh_first); \ (var) && ((next_var) = ((var)->field.tqe_next), 1); \ (var) = (next_var)) #define QTAILQ_FOREACH_REVERSE(var, head, headname, field) \ for ((var) = (*(((struct headname *)((head)->tqh_last))->tqh_last)); \ (var); \ (var) = (*(((struct headname *)((var)->field.tqe_prev))->tqh_last))) /* * Tail queue access methods. */ #define QTAILQ_EMPTY(head) ((head)->tqh_first == NULL) #define QTAILQ_FIRST(head) ((head)->tqh_first) #define QTAILQ_NEXT(elm, field) ((elm)->field.tqe_next) #define QTAILQ_LAST(head, headname) \ (*(((struct headname *)((head)->tqh_last))->tqh_last)) #define QTAILQ_PREV(elm, headname, field) \ (*(((struct headname *)((elm)->field.tqe_prev))->tqh_last)) /* * Circular queue definitions. */ #define QCIRCLEQ_HEAD(name, type) \ struct name { \ struct type *cqh_first; /* first element */ \ struct type *cqh_last; /* last element */ \ } #define QCIRCLEQ_HEAD_INITIALIZER(head) \ { (void *)&head, (void *)&head } #define QCIRCLEQ_ENTRY(type) \ struct { \ struct type *cqe_next; /* next element */ \ struct type *cqe_prev; /* previous element */ \ } /* * Circular queue functions. */ #define QCIRCLEQ_INIT(head) do { \ (head)->cqh_first = (void *)(head); \ (head)->cqh_last = (void *)(head); \ } while (/*CONSTCOND*/0) #define QCIRCLEQ_INSERT_AFTER(head, listelm, elm, field) do { \ (elm)->field.cqe_next = (listelm)->field.cqe_next; \ (elm)->field.cqe_prev = (listelm); \ if ((listelm)->field.cqe_next == (void *)(head)) \ (head)->cqh_last = (elm); \ else \ (listelm)->field.cqe_next->field.cqe_prev = (elm); \ (listelm)->field.cqe_next = (elm); \ } while (/*CONSTCOND*/0) #define QCIRCLEQ_INSERT_BEFORE(head, listelm, elm, field) do { \ (elm)->field.cqe_next = (listelm); \ (elm)->field.cqe_prev = (listelm)->field.cqe_prev; \ if ((listelm)->field.cqe_prev == (void *)(head)) \ (head)->cqh_first = (elm); \ else \ (listelm)->field.cqe_prev->field.cqe_next = (elm); \ (listelm)->field.cqe_prev = (elm); \ } while (/*CONSTCOND*/0) #define QCIRCLEQ_INSERT_HEAD(head, elm, field) do { \ (elm)->field.cqe_next = (head)->cqh_first; \ (elm)->field.cqe_prev = (void *)(head); \ if ((head)->cqh_last == (void *)(head)) \ (head)->cqh_last = (elm); \ else \ (head)->cqh_first->field.cqe_prev = (elm); \ (head)->cqh_first = (elm); \ } while (/*CONSTCOND*/0) #define QCIRCLEQ_INSERT_TAIL(head, elm, field) do { \ (elm)->field.cqe_next = (void *)(head); \ (elm)->field.cqe_prev = (head)->cqh_last; \ if ((head)->cqh_first == (void *)(head)) \ (head)->cqh_first = (elm); \ else \ (head)->cqh_last->field.cqe_next = (elm); \ (head)->cqh_last = (elm); \ } while (/*CONSTCOND*/0) #define QCIRCLEQ_REMOVE(head, elm, field) do { \ if ((elm)->field.cqe_next == (void *)(head)) \ (head)->cqh_last = (elm)->field.cqe_prev; \ else \ (elm)->field.cqe_next->field.cqe_prev = \ (elm)->field.cqe_prev; \ if ((elm)->field.cqe_prev == (void *)(head)) \ (head)->cqh_first = (elm)->field.cqe_next; \ else \ (elm)->field.cqe_prev->field.cqe_next = \ (elm)->field.cqe_next; \ } while (/*CONSTCOND*/0) #define QCIRCLEQ_FOREACH(var, head, field) \ for ((var) = ((head)->cqh_first); \ (var) != (const void *)(head); \ (var) = ((var)->field.cqe_next)) #define QCIRCLEQ_FOREACH_REVERSE(var, head, field) \ for ((var) = ((head)->cqh_last); \ (var) != (const void *)(head); \ (var) = ((var)->field.cqe_prev)) /* * Circular queue access methods. */ #define QCIRCLEQ_EMPTY(head) ((head)->cqh_first == (void *)(head)) #define QCIRCLEQ_FIRST(head) ((head)->cqh_first) #define QCIRCLEQ_LAST(head) ((head)->cqh_last) #define QCIRCLEQ_NEXT(elm, field) ((elm)->field.cqe_next) #define QCIRCLEQ_PREV(elm, field) ((elm)->field.cqe_prev) #define QCIRCLEQ_LOOP_NEXT(head, elm, field) \ (((elm)->field.cqe_next == (void *)(head)) \ ? ((head)->cqh_first) \ : (elm->field.cqe_next)) #define QCIRCLEQ_LOOP_PREV(head, elm, field) \ (((elm)->field.cqe_prev == (void *)(head)) \ ? ((head)->cqh_last) \ : (elm->field.cqe_prev)) #endif /* !QEMU_SYS_QUEUE_H_ */ vde2-2.3.2+r586/src/slirpvde/sbuf.c0000644000000000000000000000754013614540472013502 0ustar /* * Copyright (c) 1995 Danny Gasparovski. * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ #include static void sbappendsb(struct sbuf *sb, struct mbuf *m); void sbfree(struct sbuf *sb) { free(sb->sb_data); } void sbdrop(struct sbuf *sb, int num) { /* * We can only drop how much we have * This should never succeed */ if(num > sb->sb_cc) num = sb->sb_cc; sb->sb_cc -= num; sb->sb_rptr += num; if(sb->sb_rptr >= sb->sb_data + sb->sb_datalen) sb->sb_rptr -= sb->sb_datalen; } void sbreserve(struct sbuf *sb, int size) { if (sb->sb_data) { /* Already alloced, realloc if necessary */ if (sb->sb_datalen != size) { sb->sb_wptr = sb->sb_rptr = sb->sb_data = (char *)realloc(sb->sb_data, size); sb->sb_cc = 0; if (sb->sb_wptr) sb->sb_datalen = size; else sb->sb_datalen = 0; } } else { sb->sb_wptr = sb->sb_rptr = sb->sb_data = (char *)malloc(size); sb->sb_cc = 0; if (sb->sb_wptr) sb->sb_datalen = size; else sb->sb_datalen = 0; } } /* * Try and write() to the socket, whatever doesn't get written * append to the buffer... for a host with a fast net connection, * this prevents an unnecessary copy of the data * (the socket is non-blocking, so we won't hang) */ void sbappend(struct socket *so, struct mbuf *m) { int ret = 0; DEBUG_CALL("sbappend"); DEBUG_ARG("so = %lx", (long)so); DEBUG_ARG("m = %lx", (long)m); DEBUG_ARG("m->m_len = %d", m->m_len); /* Shouldn't happen, but... e.g. foreign host closes connection */ if (m->m_len <= 0) { m_free(m); return; } /* * If there is urgent data, call sosendoob * if not all was sent, sowrite will take care of the rest * (The rest of this function is just an optimisation) */ if (so->so_urgc) { sbappendsb(&so->so_rcv, m); m_free(m); sosendoob(so); return; } /* * We only write if there's nothing in the buffer, * ottherwise it'll arrive out of order, and hence corrupt */ if (!so->so_rcv.sb_cc) ret = slirp_send(so, m->m_data, m->m_len, 0); if (ret <= 0) { /* * Nothing was written * It's possible that the socket has closed, but * we don't need to check because if it has closed, * it will be detected in the normal way by soread() */ sbappendsb(&so->so_rcv, m); } else if (ret != m->m_len) { /* * Something was written, but not everything.. * sbappendsb the rest */ m->m_len -= ret; m->m_data += ret; sbappendsb(&so->so_rcv, m); } /* else */ /* Whatever happened, we free the mbuf */ m_free(m); } /* * Copy the data from m into sb * The caller is responsible to make sure there's enough room */ static void sbappendsb(struct sbuf *sb, struct mbuf *m) { int len, n, nn; len = m->m_len; if (sb->sb_wptr < sb->sb_rptr) { n = sb->sb_rptr - sb->sb_wptr; if (n > len) n = len; memcpy(sb->sb_wptr, m->m_data, n); } else { /* Do the right edge first */ n = sb->sb_data + sb->sb_datalen - sb->sb_wptr; if (n > len) n = len; memcpy(sb->sb_wptr, m->m_data, n); len -= n; if (len) { /* Now the left edge */ nn = sb->sb_rptr - sb->sb_data; if (nn > len) nn = len; memcpy(sb->sb_data,m->m_data+n,nn); n += nn; } } sb->sb_cc += n; sb->sb_wptr += n; if (sb->sb_wptr >= sb->sb_data + sb->sb_datalen) sb->sb_wptr -= sb->sb_datalen; } /* * Copy data from sbuf to a normal, straight buffer * Don't update the sbuf rptr, this will be * done in sbdrop when the data is acked */ void sbcopy(struct sbuf *sb, int off, int len, char *to) { char *from; from = sb->sb_rptr + off; if (from >= sb->sb_data + sb->sb_datalen) from -= sb->sb_datalen; if (from < sb->sb_wptr) { if (len > sb->sb_cc) len = sb->sb_cc; memcpy(to,from,len); } else { /* re-use off */ off = (sb->sb_data + sb->sb_datalen) - from; if (off > len) off = len; memcpy(to,from,off); len -= off; if (len) memcpy(to+off,sb->sb_data,len); } } vde2-2.3.2+r586/src/slirpvde/sbuf.h0000644000000000000000000000145413614540472013505 0ustar /* * Copyright (c) 1995 Danny Gasparovski. * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ #ifndef _SBUF_H_ #define _SBUF_H_ #define sbflush(sb) sbdrop((sb),(sb)->sb_cc) #define sbspace(sb) ((sb)->sb_datalen - (sb)->sb_cc) struct sbuf { u_int sb_cc; /* actual chars in buffer */ u_int sb_datalen; /* Length of data */ char *sb_wptr; /* write pointer. points to where the next * bytes should be written in the sbuf */ char *sb_rptr; /* read pointer. points to where the next * byte should be read from the sbuf */ char *sb_data; /* Actual data */ }; void sbfree(struct sbuf *); void sbdrop(struct sbuf *, int); void sbreserve(struct sbuf *, int); void sbappend(struct socket *, struct mbuf *); void sbcopy(struct sbuf *, int, int, char *); #endif vde2-2.3.2+r586/src/slirpvde/slirp.c0000644000000000000000000007501713614540472013700 0ustar /* * libslirp glue * * Copyright (c) 2004-2008 Fabrice Bellard * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "qemu-common.h" //#include "qemu-timer.h" //#include "qemu-char.h" #include "slirp.h" //#include "hw/hw.h" /* host loopback address */ struct in_addr loopback_addr; /* emulated hosts use the MAC addr 52:55:IP:IP:IP:IP */ static const uint8_t special_ethaddr[6] = { 0x52, 0x55, 0x00, 0x00, 0x00, 0x00 }; static const uint8_t zero_ethaddr[6] = { 0, 0, 0, 0, 0, 0 }; /* XXX: suppress those select globals */ fd_set *global_readfds, *global_writefds, *global_xfds; u_int curtime; static u_int time_fasttimo, last_slowtimo; static int do_slowtimo; static QTAILQ_HEAD(slirp_instances, Slirp) slirp_instances = QTAILQ_HEAD_INITIALIZER(slirp_instances); static struct in_addr dns_addr; static u_int dns_addr_time; #ifdef _WIN32 int get_dns_addr(struct in_addr *pdns_addr) { FIXED_INFO *FixedInfo=NULL; ULONG BufLen; DWORD ret; IP_ADDR_STRING *pIPAddr; struct in_addr tmp_addr; if (dns_addr.s_addr != 0 && (curtime - dns_addr_time) < 1000) { *pdns_addr = dns_addr; return 0; } FixedInfo = (FIXED_INFO *)GlobalAlloc(GPTR, sizeof(FIXED_INFO)); BufLen = sizeof(FIXED_INFO); if (ERROR_BUFFER_OVERFLOW == GetNetworkParams(FixedInfo, &BufLen)) { if (FixedInfo) { GlobalFree(FixedInfo); FixedInfo = NULL; } FixedInfo = GlobalAlloc(GPTR, BufLen); } if ((ret = GetNetworkParams(FixedInfo, &BufLen)) != ERROR_SUCCESS) { printf("GetNetworkParams failed. ret = %08x\n", (u_int)ret ); if (FixedInfo) { GlobalFree(FixedInfo); FixedInfo = NULL; } return -1; } pIPAddr = &(FixedInfo->DnsServerList); inet_aton(pIPAddr->IpAddress.String, &tmp_addr); *pdns_addr = tmp_addr; dns_addr = tmp_addr; dns_addr_time = curtime; if (FixedInfo) { GlobalFree(FixedInfo); FixedInfo = NULL; } return 0; } static void winsock_cleanup(void) { WSACleanup(); } #else static struct stat dns_addr_stat; int get_dns_addr(struct in_addr *pdns_addr) { char buff[512]; char buff2[257]; FILE *f; int found = 0; struct in_addr tmp_addr; if (dns_addr.s_addr != 0) { struct stat old_stat; if ((curtime - dns_addr_time) < 1000) { *pdns_addr = dns_addr; return 0; } old_stat = dns_addr_stat; if (stat("/etc/resolv.conf", &dns_addr_stat) != 0) return -1; if ((dns_addr_stat.st_dev == old_stat.st_dev) && (dns_addr_stat.st_ino == old_stat.st_ino) && (dns_addr_stat.st_size == old_stat.st_size) && (dns_addr_stat.st_mtime == old_stat.st_mtime)) { *pdns_addr = dns_addr; return 0; } } f = fopen("/etc/resolv.conf", "r"); if (!f) return -1; #ifdef DEBUG lprint("IP address of your DNS(s): "); #endif while (fgets(buff, 512, f) != NULL) { if (sscanf(buff, "nameserver%*[ \t]%256s", buff2) == 1) { if (!inet_aton(buff2, &tmp_addr)) continue; /* If it's the first one, set it to dns_addr */ if (!found) { *pdns_addr = tmp_addr; dns_addr = tmp_addr; dns_addr_time = curtime; } #ifdef DEBUG else lprint(", "); #endif if (++found > 3) { #ifdef DEBUG lprint("(more)"); #endif break; } #ifdef DEBUG else lprint("%s", inet_ntoa(tmp_addr)); #endif } } fclose(f); if (!found) return -1; return 0; } #endif static void slirp_init_once(void) { static int initialized; #ifdef _WIN32 WSADATA Data; #endif if (initialized) { return; } initialized = 1; #ifdef _WIN32 WSAStartup(MAKEWORD(2,0), &Data); atexit(winsock_cleanup); #endif loopback_addr.s_addr = htonl(INADDR_LOOPBACK); } //static void slirp_state_save(QEMUFile *f, void *opaque); //static int slirp_state_load(QEMUFile *f, void *opaque, int version_id); Slirp *slirp_init(int restricted, struct in_addr vnetwork, struct in_addr vnetmask, struct in_addr vhost, const char *vhostname, const char *tftp_path, const char *bootfile, struct in_addr vdhcp_start, struct in_addr vnameserver, void *opaque) { Slirp *slirp = qemu_mallocz(sizeof(Slirp)); slirp_init_once(); slirp->restricted = restricted; if_init(slirp); ip_init(slirp); /* Initialise mbufs *after* setting the MTU */ m_init(slirp); slirp->vnetwork_addr = vnetwork; slirp->vnetwork_mask = vnetmask; slirp->vhost_addr = vhost; if (vhostname) { pstrcpy(slirp->client_hostname, sizeof(slirp->client_hostname), vhostname); } if (tftp_path) { slirp->tftp_prefix = qemu_strdup(tftp_path); } if (bootfile) { slirp->bootp_filename = qemu_strdup(bootfile); } slirp->vdhcp_startaddr = vdhcp_start; slirp->vnameserver_addr = vnameserver; slirp->opaque = opaque; //register_savevm("slirp", 0, 3, slirp_state_save, slirp_state_load, slirp); QTAILQ_INSERT_TAIL(&slirp_instances, slirp, entry); return slirp; } void slirp_cleanup(Slirp *slirp) { QTAILQ_REMOVE(&slirp_instances, slirp, entry); //unregister_savevm("slirp", slirp); qemu_free(slirp->tftp_prefix); qemu_free(slirp->bootp_filename); qemu_free(slirp); } #define CONN_CANFSEND(so) (((so)->so_state & (SS_FCANTSENDMORE|SS_ISFCONNECTED)) == SS_ISFCONNECTED) #define CONN_CANFRCV(so) (((so)->so_state & (SS_FCANTRCVMORE|SS_ISFCONNECTED)) == SS_ISFCONNECTED) #define UPD_NFDS(x) if (nfds < (x)) nfds = (x) void slirp_select_fill(int *pnfds, fd_set *readfds, fd_set *writefds, fd_set *xfds) { Slirp *slirp; struct socket *so, *so_next; int nfds; if (QTAILQ_EMPTY(&slirp_instances)) { return; } /* fail safe */ global_readfds = NULL; global_writefds = NULL; global_xfds = NULL; nfds = *pnfds; /* * First, TCP sockets */ do_slowtimo = 0; QTAILQ_FOREACH(slirp, &slirp_instances, entry) { /* * *_slowtimo needs calling if there are IP fragments * in the fragment queue, or there are TCP connections active */ do_slowtimo |= ((slirp->tcb.so_next != &slirp->tcb) || (&slirp->ipq.ip_link != slirp->ipq.ip_link.next)); for (so = slirp->tcb.so_next; so != &slirp->tcb; so = so_next) { so_next = so->so_next; /* * See if we need a tcp_fasttimo */ if (time_fasttimo == 0 && so->so_tcpcb->t_flags & TF_DELACK) time_fasttimo = curtime; /* Flag when we want a fasttimo */ /* * NOFDREF can include still connecting to local-host, * newly socreated() sockets etc. Don't want to select these. */ if (so->so_state & SS_NOFDREF || so->s == -1) continue; /* * Set for reading sockets which are accepting */ if (so->so_state & SS_FACCEPTCONN) { FD_SET(so->s, readfds); UPD_NFDS(so->s); continue; } /* * Set for writing sockets which are connecting */ if (so->so_state & SS_ISFCONNECTING) { FD_SET(so->s, writefds); UPD_NFDS(so->s); continue; } /* * Set for writing if we are connected, can send more, and * we have something to send */ if (CONN_CANFSEND(so) && so->so_rcv.sb_cc) { FD_SET(so->s, writefds); UPD_NFDS(so->s); } /* * Set for reading (and urgent data) if we are connected, can * receive more, and we have room for it XXX /2 ? */ if (CONN_CANFRCV(so) && (so->so_snd.sb_cc < (so->so_snd.sb_datalen/2))) { FD_SET(so->s, readfds); FD_SET(so->s, xfds); UPD_NFDS(so->s); } } /* * UDP sockets */ for (so = slirp->udb.so_next; so != &slirp->udb; so = so_next) { so_next = so->so_next; /* * See if it's timed out */ if (so->so_expire) { if (so->so_expire <= curtime) { udp_detach(so); continue; } else do_slowtimo = 1; /* Let socket expire */ } /* * When UDP packets are received from over the * link, they're sendto()'d straight away, so * no need for setting for writing * Limit the number of packets queued by this session * to 4. Note that even though we try and limit this * to 4 packets, the session could have more queued * if the packets needed to be fragmented * (XXX <= 4 ?) */ if ((so->so_state & SS_ISFCONNECTED) && so->so_queued <= 4) { FD_SET(so->s, readfds); UPD_NFDS(so->s); } } } *pnfds = nfds; } void slirp_select_poll(fd_set *readfds, fd_set *writefds, fd_set *xfds, int select_error) { Slirp *slirp; struct socket *so, *so_next; int ret; if (QTAILQ_EMPTY(&slirp_instances)) { return; } global_readfds = readfds; global_writefds = writefds; global_xfds = xfds; curtime = qemu_get_clock(rt_clock); QTAILQ_FOREACH(slirp, &slirp_instances, entry) { /* * See if anything has timed out */ if (time_fasttimo && ((curtime - time_fasttimo) >= 2)) { tcp_fasttimo(slirp); time_fasttimo = 0; } if (do_slowtimo && ((curtime - last_slowtimo) >= 499)) { ip_slowtimo(slirp); tcp_slowtimo(slirp); last_slowtimo = curtime; } /* * Check sockets */ if (!select_error) { /* * Check TCP sockets */ for (so = slirp->tcb.so_next; so != &slirp->tcb; so = so_next) { so_next = so->so_next; /* * FD_ISSET is meaningless on these sockets * (and they can crash the program) */ if (so->so_state & SS_NOFDREF || so->s == -1) continue; /* * Check for URG data * This will soread as well, so no need to * test for readfds below if this succeeds */ if (FD_ISSET(so->s, xfds)) sorecvoob(so); /* * Check sockets for reading */ else if (FD_ISSET(so->s, readfds)) { /* * Check for incoming connections */ if (so->so_state & SS_FACCEPTCONN) { tcp_connect(so); continue; } /* else */ ret = soread(so); /* Output it if we read something */ if (ret > 0) tcp_output(sototcpcb(so)); } /* * Check sockets for writing */ if (FD_ISSET(so->s, writefds)) { /* * Check for non-blocking, still-connecting sockets */ if (so->so_state & SS_ISFCONNECTING) { /* Connected */ so->so_state &= ~SS_ISFCONNECTING; ret = send(so->s, (const void *) &ret, 0, 0); if (ret < 0) { /* XXXXX Must fix, zero bytes is a NOP */ if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINPROGRESS || errno == ENOTCONN) continue; /* else failed */ so->so_state &= SS_PERSISTENT_MASK; so->so_state |= SS_NOFDREF; } /* else so->so_state &= ~SS_ISFCONNECTING; */ /* * Continue tcp_input */ tcp_input((struct mbuf *)NULL, sizeof(struct ip), so); /* continue; */ } else ret = sowrite(so); /* * XXXXX If we wrote something (a lot), there * could be a need for a window update. * In the worst case, the remote will send * a window probe to get things going again */ } /* * Probe a still-connecting, non-blocking socket * to check if it's still alive */ #ifdef PROBE_CONN if (so->so_state & SS_ISFCONNECTING) { ret = recv(so->s, (char *)&ret, 0,0); if (ret < 0) { /* XXX */ if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINPROGRESS || errno == ENOTCONN) continue; /* Still connecting, continue */ /* else failed */ so->so_state &= SS_PERSISTENT_MASK; so->so_state |= SS_NOFDREF; /* tcp_input will take care of it */ } else { ret = send(so->s, &ret, 0,0); if (ret < 0) { /* XXX */ if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINPROGRESS || errno == ENOTCONN) continue; /* else failed */ so->so_state &= SS_PERSISTENT_MASK; so->so_state |= SS_NOFDREF; } else so->so_state &= ~SS_ISFCONNECTING; } tcp_input((struct mbuf *)NULL, sizeof(struct ip),so); } /* SS_ISFCONNECTING */ #endif } /* * Now UDP sockets. * Incoming packets are sent straight away, they're not buffered. * Incoming UDP data isn't buffered either. */ for (so = slirp->udb.so_next; so != &slirp->udb; so = so_next) { so_next = so->so_next; if (so->s != -1 && FD_ISSET(so->s, readfds)) { sorecvfrom(so); } } } /* * See if we can start outputting */ if (slirp->if_queued) { if_start(slirp); } } /* clear global file descriptor sets. * these reside on the stack in vl.c * so they're unusable if we're not in * slirp_select_fill or slirp_select_poll. */ global_readfds = NULL; global_writefds = NULL; global_xfds = NULL; } #define ETH_ALEN 6 #define ETH_HLEN 14 #define ETH_P_IP 0x0800 /* Internet Protocol packet */ #define ETH_P_ARP 0x0806 /* Address Resolution packet */ #define ARPOP_REQUEST 1 /* ARP request */ #define ARPOP_REPLY 2 /* ARP reply */ struct ethhdr { unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ unsigned char h_source[ETH_ALEN]; /* source ether addr */ unsigned short h_proto; /* packet type ID field */ }; struct arphdr { unsigned short ar_hrd; /* format of hardware address */ unsigned short ar_pro; /* format of protocol address */ unsigned char ar_hln; /* length of hardware address */ unsigned char ar_pln; /* length of protocol address */ unsigned short ar_op; /* ARP opcode (command) */ /* * Ethernet looks like this : This bit is variable sized however... */ unsigned char ar_sha[ETH_ALEN]; /* sender hardware address */ uint32_t ar_sip; /* sender IP address */ unsigned char ar_tha[ETH_ALEN]; /* target hardware address */ uint32_t ar_tip ; /* target IP address */ } __attribute__((packed)); static void arp_input(Slirp *slirp, const uint8_t *pkt, int pkt_len) { struct ethhdr *eh = (struct ethhdr *)pkt; struct arphdr *ah = (struct arphdr *)(pkt + ETH_HLEN); uint8_t arp_reply[ETH_HLEN + sizeof(struct arphdr)]; struct ethhdr *reh = (struct ethhdr *)arp_reply; struct arphdr *rah = (struct arphdr *)(arp_reply + ETH_HLEN); int ar_op; struct ex_list *ex_ptr; ar_op = ntohs(ah->ar_op); switch(ar_op) { case ARPOP_REQUEST: if ((ah->ar_tip & slirp->vnetwork_mask.s_addr) == slirp->vnetwork_addr.s_addr) { if (ah->ar_tip == slirp->vnameserver_addr.s_addr || ah->ar_tip == slirp->vhost_addr.s_addr) goto arp_ok; for (ex_ptr = slirp->exec_list; ex_ptr; ex_ptr = ex_ptr->ex_next) { if (ex_ptr->ex_addr.s_addr == ah->ar_tip) goto arp_ok; } return; arp_ok: /* XXX: make an ARP request to have the client address */ memcpy(slirp->client_ethaddr, eh->h_source, ETH_ALEN); /* ARP request for alias/dns mac address */ memcpy(reh->h_dest, pkt + ETH_ALEN, ETH_ALEN); memcpy(reh->h_source, special_ethaddr, ETH_ALEN - 4); memcpy(&reh->h_source[2], &ah->ar_tip, 4); reh->h_proto = htons(ETH_P_ARP); rah->ar_hrd = htons(1); rah->ar_pro = htons(ETH_P_IP); rah->ar_hln = ETH_ALEN; rah->ar_pln = 4; rah->ar_op = htons(ARPOP_REPLY); memcpy(rah->ar_sha, reh->h_source, ETH_ALEN); rah->ar_sip = ah->ar_tip; memcpy(rah->ar_tha, ah->ar_sha, ETH_ALEN); rah->ar_tip = ah->ar_sip; slirp_output(slirp->opaque, arp_reply, sizeof(arp_reply)); } break; case ARPOP_REPLY: /* reply to request of client mac address ? */ if (!memcmp(slirp->client_ethaddr, zero_ethaddr, ETH_ALEN) && ah->ar_sip == slirp->client_ipaddr.s_addr) { memcpy(slirp->client_ethaddr, ah->ar_sha, ETH_ALEN); } break; default: break; } } void slirp_input(Slirp *slirp, const uint8_t *pkt, int pkt_len) { struct mbuf *m; int proto; if (pkt_len < ETH_HLEN) return; proto = ntohs(*(uint16_t *)(pkt + 12)); switch(proto) { case ETH_P_ARP: arp_input(slirp, pkt, pkt_len); break; case ETH_P_IP: m = m_get(slirp); if (!m) return; /* Note: we add to align the IP header */ if (M_FREEROOM(m) < pkt_len + 2) { m_inc(m, pkt_len + 2); } m->m_len = pkt_len + 2; memcpy(m->m_data + 2, pkt, pkt_len); m->m_data += 2 + ETH_HLEN; m->m_len -= 2 + ETH_HLEN; ip_input(m); break; default: break; } } /* output the IP packet to the ethernet device */ void if_encap(Slirp *slirp, const uint8_t *ip_data, int ip_data_len) { uint8_t buf[1600]; struct ethhdr *eh = (struct ethhdr *)buf; if (ip_data_len + ETH_HLEN > sizeof(buf)) return; if (!memcmp(slirp->client_ethaddr, zero_ethaddr, ETH_ALEN)) { uint8_t arp_req[ETH_HLEN + sizeof(struct arphdr)]; struct ethhdr *reh = (struct ethhdr *)arp_req; struct arphdr *rah = (struct arphdr *)(arp_req + ETH_HLEN); const struct ip *iph = (const struct ip *)ip_data; /* If the client addr is not known, there is no point in sending the packet to it. Normally the sender should have done an ARP request to get its MAC address. Here we do it in place of sending the packet and we hope that the sender will retry sending its packet. */ memset(reh->h_dest, 0xff, ETH_ALEN); memcpy(reh->h_source, special_ethaddr, ETH_ALEN - 4); memcpy(&reh->h_source[2], &slirp->vhost_addr, 4); reh->h_proto = htons(ETH_P_ARP); rah->ar_hrd = htons(1); rah->ar_pro = htons(ETH_P_IP); rah->ar_hln = ETH_ALEN; rah->ar_pln = 4; rah->ar_op = htons(ARPOP_REQUEST); /* source hw addr */ memcpy(rah->ar_sha, special_ethaddr, ETH_ALEN - 4); memcpy(&rah->ar_sha[2], &slirp->vhost_addr, 4); /* source IP */ rah->ar_sip = slirp->vhost_addr.s_addr; /* target hw addr (none) */ memset(rah->ar_tha, 0, ETH_ALEN); /* target IP */ rah->ar_tip = iph->ip_dst.s_addr; slirp->client_ipaddr = iph->ip_dst; slirp_output(slirp->opaque, arp_req, sizeof(arp_req)); } else { memcpy(eh->h_dest, slirp->client_ethaddr, ETH_ALEN); memcpy(eh->h_source, special_ethaddr, ETH_ALEN - 4); /* XXX: not correct */ memcpy(&eh->h_source[2], &slirp->vhost_addr, 4); eh->h_proto = htons(ETH_P_IP); memcpy(buf + sizeof(struct ethhdr), ip_data, ip_data_len); slirp_output(slirp->opaque, buf, ip_data_len + ETH_HLEN); } } /* Drop host forwarding rule, return 0 if found. */ int slirp_remove_hostfwd(Slirp *slirp, int is_udp, struct in_addr host_addr, int host_port) { struct socket *so; struct socket *head = (is_udp ? &slirp->udb : &slirp->tcb); struct sockaddr_in addr; int port = htons(host_port); socklen_t addr_len; for (so = head->so_next; so != head; so = so->so_next) { addr_len = sizeof(addr); if ((so->so_state & SS_HOSTFWD) && getsockname(so->s, (struct sockaddr *)&addr, &addr_len) == 0 && addr.sin_addr.s_addr == host_addr.s_addr && addr.sin_port == port) { close(so->s); sofree(so); return 0; } } return -1; } int slirp_add_hostfwd(Slirp *slirp, int is_udp, struct in_addr host_addr, int host_port, struct in_addr guest_addr, int guest_port) { if (!guest_addr.s_addr) { guest_addr = slirp->vdhcp_startaddr; } if (is_udp) { if (!udp_listen(slirp, host_addr.s_addr, htons(host_port), guest_addr.s_addr, htons(guest_port), SS_HOSTFWD)) return -1; } else { if (!tcp_listen(slirp, host_addr.s_addr, htons(host_port), guest_addr.s_addr, htons(guest_port), SS_HOSTFWD)) return -1; } return 0; } int slirp_add_exec(Slirp *slirp, int do_pty, const void *args, struct in_addr *guest_addr, int guest_port) { if (!guest_addr->s_addr) { guest_addr->s_addr = slirp->vnetwork_addr.s_addr | (htonl(0x0204) & ~slirp->vnetwork_mask.s_addr); } if ((guest_addr->s_addr & slirp->vnetwork_mask.s_addr) != slirp->vnetwork_addr.s_addr || guest_addr->s_addr == slirp->vhost_addr.s_addr || guest_addr->s_addr == slirp->vnameserver_addr.s_addr) { return -1; } return add_exec(&slirp->exec_list, do_pty, (char *)args, *guest_addr, htons(guest_port)); } ssize_t slirp_send(struct socket *so, const void *buf, size_t len, int flags) { #if 0 if (so->s == -1 && so->extra) { qemu_chr_write(so->extra, buf, len); return len; } #endif return send(so->s, buf, len, flags); } static struct socket * slirp_find_ctl_socket(Slirp *slirp, struct in_addr guest_addr, int guest_port) { struct socket *so; for (so = slirp->tcb.so_next; so != &slirp->tcb; so = so->so_next) { if (so->so_faddr.s_addr == guest_addr.s_addr && htons(so->so_fport) == guest_port) { return so; } } return NULL; } size_t slirp_socket_can_recv(Slirp *slirp, struct in_addr guest_addr, int guest_port) { struct iovec iov[2]; struct socket *so; so = slirp_find_ctl_socket(slirp, guest_addr, guest_port); if (!so || so->so_state & SS_NOFDREF) return 0; if (!CONN_CANFRCV(so) || so->so_snd.sb_cc >= (so->so_snd.sb_datalen/2)) return 0; return sopreprbuf(so, iov, NULL); } void slirp_socket_recv(Slirp *slirp, struct in_addr guest_addr, int guest_port, const uint8_t *buf, int size) { int ret; struct socket *so = slirp_find_ctl_socket(slirp, guest_addr, guest_port); if (!so) return; ret = soreadbuf(so, (const char *)buf, size); if (ret > 0) tcp_output(sototcpcb(so)); } #if 0 static void slirp_tcp_save(QEMUFile *f, struct tcpcb *tp) { int i; qemu_put_sbe16(f, tp->t_state); for (i = 0; i < TCPT_NTIMERS; i++) qemu_put_sbe16(f, tp->t_timer[i]); qemu_put_sbe16(f, tp->t_rxtshift); qemu_put_sbe16(f, tp->t_rxtcur); qemu_put_sbe16(f, tp->t_dupacks); qemu_put_be16(f, tp->t_maxseg); qemu_put_sbyte(f, tp->t_force); qemu_put_be16(f, tp->t_flags); qemu_put_be32(f, tp->snd_una); qemu_put_be32(f, tp->snd_nxt); qemu_put_be32(f, tp->snd_up); qemu_put_be32(f, tp->snd_wl1); qemu_put_be32(f, tp->snd_wl2); qemu_put_be32(f, tp->iss); qemu_put_be32(f, tp->snd_wnd); qemu_put_be32(f, tp->rcv_wnd); qemu_put_be32(f, tp->rcv_nxt); qemu_put_be32(f, tp->rcv_up); qemu_put_be32(f, tp->irs); qemu_put_be32(f, tp->rcv_adv); qemu_put_be32(f, tp->snd_max); qemu_put_be32(f, tp->snd_cwnd); qemu_put_be32(f, tp->snd_ssthresh); qemu_put_sbe16(f, tp->t_idle); qemu_put_sbe16(f, tp->t_rtt); qemu_put_be32(f, tp->t_rtseq); qemu_put_sbe16(f, tp->t_srtt); qemu_put_sbe16(f, tp->t_rttvar); qemu_put_be16(f, tp->t_rttmin); qemu_put_be32(f, tp->max_sndwnd); qemu_put_byte(f, tp->t_oobflags); qemu_put_byte(f, tp->t_iobc); qemu_put_sbe16(f, tp->t_softerror); qemu_put_byte(f, tp->snd_scale); qemu_put_byte(f, tp->rcv_scale); qemu_put_byte(f, tp->request_r_scale); qemu_put_byte(f, tp->requested_s_scale); qemu_put_be32(f, tp->ts_recent); qemu_put_be32(f, tp->ts_recent_age); qemu_put_be32(f, tp->last_ack_sent); } static void slirp_sbuf_save(QEMUFile *f, struct sbuf *sbuf) { uint32_t off; qemu_put_be32(f, sbuf->sb_cc); qemu_put_be32(f, sbuf->sb_datalen); off = (uint32_t)(sbuf->sb_wptr - sbuf->sb_data); qemu_put_sbe32(f, off); off = (uint32_t)(sbuf->sb_rptr - sbuf->sb_data); qemu_put_sbe32(f, off); qemu_put_buffer(f, (unsigned char*)sbuf->sb_data, sbuf->sb_datalen); } static void slirp_socket_save(QEMUFile *f, struct socket *so) { qemu_put_be32(f, so->so_urgc); qemu_put_be32(f, so->so_faddr.s_addr); qemu_put_be32(f, so->so_laddr.s_addr); qemu_put_be16(f, so->so_fport); qemu_put_be16(f, so->so_lport); qemu_put_byte(f, so->so_iptos); qemu_put_byte(f, so->so_emu); qemu_put_byte(f, so->so_type); qemu_put_be32(f, so->so_state); slirp_sbuf_save(f, &so->so_rcv); slirp_sbuf_save(f, &so->so_snd); slirp_tcp_save(f, so->so_tcpcb); } static void slirp_bootp_save(QEMUFile *f, Slirp *slirp) { int i; for (i = 0; i < NB_BOOTP_CLIENTS; i++) { qemu_put_be16(f, slirp->bootp_clients[i].allocated); qemu_put_buffer(f, slirp->bootp_clients[i].macaddr, 6); } } static void slirp_state_save(QEMUFile *f, void *opaque) { Slirp *slirp = opaque; struct ex_list *ex_ptr; for (ex_ptr = slirp->exec_list; ex_ptr; ex_ptr = ex_ptr->ex_next) if (ex_ptr->ex_pty == 3) { struct socket *so; so = slirp_find_ctl_socket(slirp, ex_ptr->ex_addr, ntohs(ex_ptr->ex_fport)); if (!so) continue; qemu_put_byte(f, 42); slirp_socket_save(f, so); } qemu_put_byte(f, 0); qemu_put_be16(f, slirp->ip_id); slirp_bootp_save(f, slirp); } static void slirp_tcp_load(QEMUFile *f, struct tcpcb *tp) { int i; tp->t_state = qemu_get_sbe16(f); for (i = 0; i < TCPT_NTIMERS; i++) tp->t_timer[i] = qemu_get_sbe16(f); tp->t_rxtshift = qemu_get_sbe16(f); tp->t_rxtcur = qemu_get_sbe16(f); tp->t_dupacks = qemu_get_sbe16(f); tp->t_maxseg = qemu_get_be16(f); tp->t_force = qemu_get_sbyte(f); tp->t_flags = qemu_get_be16(f); tp->snd_una = qemu_get_be32(f); tp->snd_nxt = qemu_get_be32(f); tp->snd_up = qemu_get_be32(f); tp->snd_wl1 = qemu_get_be32(f); tp->snd_wl2 = qemu_get_be32(f); tp->iss = qemu_get_be32(f); tp->snd_wnd = qemu_get_be32(f); tp->rcv_wnd = qemu_get_be32(f); tp->rcv_nxt = qemu_get_be32(f); tp->rcv_up = qemu_get_be32(f); tp->irs = qemu_get_be32(f); tp->rcv_adv = qemu_get_be32(f); tp->snd_max = qemu_get_be32(f); tp->snd_cwnd = qemu_get_be32(f); tp->snd_ssthresh = qemu_get_be32(f); tp->t_idle = qemu_get_sbe16(f); tp->t_rtt = qemu_get_sbe16(f); tp->t_rtseq = qemu_get_be32(f); tp->t_srtt = qemu_get_sbe16(f); tp->t_rttvar = qemu_get_sbe16(f); tp->t_rttmin = qemu_get_be16(f); tp->max_sndwnd = qemu_get_be32(f); tp->t_oobflags = qemu_get_byte(f); tp->t_iobc = qemu_get_byte(f); tp->t_softerror = qemu_get_sbe16(f); tp->snd_scale = qemu_get_byte(f); tp->rcv_scale = qemu_get_byte(f); tp->request_r_scale = qemu_get_byte(f); tp->requested_s_scale = qemu_get_byte(f); tp->ts_recent = qemu_get_be32(f); tp->ts_recent_age = qemu_get_be32(f); tp->last_ack_sent = qemu_get_be32(f); tcp_template(tp); } static int slirp_sbuf_load(QEMUFile *f, struct sbuf *sbuf) { uint32_t off, sb_cc, sb_datalen; sb_cc = qemu_get_be32(f); sb_datalen = qemu_get_be32(f); sbreserve(sbuf, sb_datalen); if (sbuf->sb_datalen != sb_datalen) return -ENOMEM; sbuf->sb_cc = sb_cc; off = qemu_get_sbe32(f); sbuf->sb_wptr = sbuf->sb_data + off; off = qemu_get_sbe32(f); sbuf->sb_rptr = sbuf->sb_data + off; qemu_get_buffer(f, (unsigned char*)sbuf->sb_data, sbuf->sb_datalen); return 0; } static int slirp_socket_load(QEMUFile *f, struct socket *so) { if (tcp_attach(so) < 0) return -ENOMEM; so->so_urgc = qemu_get_be32(f); so->so_faddr.s_addr = qemu_get_be32(f); so->so_laddr.s_addr = qemu_get_be32(f); so->so_fport = qemu_get_be16(f); so->so_lport = qemu_get_be16(f); so->so_iptos = qemu_get_byte(f); so->so_emu = qemu_get_byte(f); so->so_type = qemu_get_byte(f); so->so_state = qemu_get_be32(f); if (slirp_sbuf_load(f, &so->so_rcv) < 0) return -ENOMEM; if (slirp_sbuf_load(f, &so->so_snd) < 0) return -ENOMEM; slirp_tcp_load(f, so->so_tcpcb); return 0; } static void slirp_bootp_load(QEMUFile *f, Slirp *slirp) { int i; for (i = 0; i < NB_BOOTP_CLIENTS; i++) { slirp->bootp_clients[i].allocated = qemu_get_be16(f); qemu_get_buffer(f, slirp->bootp_clients[i].macaddr, 6); } } static int slirp_state_load(QEMUFile *f, void *opaque, int version_id) { Slirp *slirp = opaque; struct ex_list *ex_ptr; int r; while ((r = qemu_get_byte(f))) { int ret; struct socket *so = socreate(slirp); if (!so) return -ENOMEM; ret = slirp_socket_load(f, so); if (ret < 0) return ret; if ((so->so_faddr.s_addr & slirp->vnetwork_mask.s_addr) != slirp->vnetwork_addr.s_addr) { return -EINVAL; } for (ex_ptr = slirp->exec_list; ex_ptr; ex_ptr = ex_ptr->ex_next) { if (ex_ptr->ex_pty == 3 && so->so_faddr.s_addr == ex_ptr->ex_addr.s_addr && so->so_fport == ex_ptr->ex_fport) { break; } } if (!ex_ptr) return -EINVAL; so->extra = (void *)ex_ptr->ex_exec; } if (version_id >= 2) { slirp->ip_id = qemu_get_be16(f); } if (version_id >= 3) { slirp_bootp_load(f, slirp); } return 0; } #endif vde2-2.3.2+r586/src/slirpvde/slirp.h0000644000000000000000000001626613614540472013706 0ustar #ifndef __COMMON_H__ #define __COMMON_H__ //#include "config-host.h" #include "slirp_config.h" #ifdef _WIN32 # include typedef uint8_t u_int8_t; typedef uint16_t u_int16_t; typedef uint32_t u_int32_t; typedef uint64_t u_int64_t; typedef char *caddr_t; # include # include # include # include # include # define EWOULDBLOCK WSAEWOULDBLOCK # define EINPROGRESS WSAEINPROGRESS # define ENOTCONN WSAENOTCONN # define EHOSTUNREACH WSAEHOSTUNREACH # define ENETUNREACH WSAENETUNREACH # define ECONNREFUSED WSAECONNREFUSED #else # define ioctlsocket ioctl # define closesocket(s) close(s) # define O_BINARY 0 #endif #include #ifdef HAVE_SYS_BITYPES_H # include #endif #include #ifdef NEED_TYPEDEFS typedef char int8_t; typedef unsigned char u_int8_t; # if SIZEOF_SHORT == 2 typedef short int16_t; typedef unsigned short u_int16_t; # else # if SIZEOF_INT == 2 typedef int int16_t; typedef unsigned int u_int16_t; # else #error Cannot find a type with sizeof() == 2 # endif # endif # if SIZEOF_SHORT == 4 typedef short int32_t; typedef unsigned short u_int32_t; # else # if SIZEOF_INT == 4 typedef int int32_t; typedef unsigned int u_int32_t; # else #error Cannot find a type with sizeof() == 4 # endif # endif #endif /* NEED_TYPEDEFS */ #ifdef HAVE_UNISTD_H # include #endif #ifdef HAVE_STDLIB_H # include #endif #include #include #ifndef HAVE_MEMMOVE #define memmove(x, y, z) bcopy(y, x, z) #endif #if TIME_WITH_SYS_TIME # include # include #else # ifdef HAVE_SYS_TIME_H # include # else # include # endif #endif #ifdef HAVE_STRING_H # include #else # include #endif #ifndef _WIN32 #include #endif #ifndef _WIN32 #include #include #endif /* Systems lacking strdup() definition in . */ #if defined(ultrix) char *strdup(const char *); #endif /* Systems lacking malloc() definition in . */ #if defined(ultrix) || defined(hcx) void *malloc(size_t arg); void free(void *ptr); #endif #ifndef HAVE_INET_ATON int inet_aton(const char *cp, struct in_addr *ia); #endif #include #ifndef NO_UNIX_SOCKETS #include #endif #include #ifdef HAVE_SYS_SIGNAL_H # include #endif #ifndef _WIN32 #include #endif #if defined(HAVE_SYS_IOCTL_H) # include #endif #ifdef HAVE_SYS_SELECT_H # include #endif #ifdef HAVE_SYS_WAIT_H # include #endif #ifdef HAVE_SYS_FILIO_H # include #endif #ifdef USE_PPP #include #endif #ifdef __STDC__ #include #else #include #endif #include /* Avoid conflicting with the libc insque() and remque(), which have different prototypes. */ #define insque slirp_insque #define remque slirp_remque #ifdef HAVE_SYS_STROPTS_H #include #endif #include "debug.h" #include "qemu-queue.h" #include "libslirp.h" #include "ip.h" #include "tcp.h" #include "tcp_timer.h" #include "tcp_var.h" #include "tcpip.h" #include "udp.h" #include "mbuf.h" #include "sbuf.h" #include "socket.h" #include "if.h" #include "main.h" #include "misc.h" #ifdef USE_PPP #include "ppp/pppd.h" #include "ppp/ppp.h" #endif #include "bootp.h" #include "tftp.h" /* osdep.c */ //int qemu_socket(int domain, int type, int protocol); struct Slirp { QTAILQ_ENTRY(Slirp) entry; /* virtual network configuration */ struct in_addr vnetwork_addr; struct in_addr vnetwork_mask; struct in_addr vhost_addr; struct in_addr vdhcp_startaddr; struct in_addr vnameserver_addr; /* ARP cache for the guest IP addresses (XXX: allow many entries) */ uint8_t client_ethaddr[6]; struct in_addr client_ipaddr; char client_hostname[33]; int restricted; struct timeval tt; struct ex_list *exec_list; /* mbuf states */ struct mbuf m_freelist, m_usedlist; int mbuf_alloced; /* if states */ int if_queued; /* number of packets queued so far */ struct mbuf if_fastq; /* fast queue (for interactive data) */ struct mbuf if_batchq; /* queue for non-interactive data */ struct mbuf *next_m; /* pointer to next mbuf to output */ /* ip states */ struct ipq ipq; /* ip reass. queue */ u_int16_t ip_id; /* ip packet ctr, for ids */ /* bootp/dhcp states */ BOOTPClient bootp_clients[NB_BOOTP_CLIENTS]; char *bootp_filename; /* tcp states */ struct socket tcb; struct socket *tcp_last_so; tcp_seq tcp_iss; /* tcp initial send seq # */ u_int32_t tcp_now; /* for RFC 1323 timestamps */ /* udp states */ struct socket udb; struct socket *udp_last_so; /* tftp states */ char *tftp_prefix; struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX]; void *opaque; }; extern Slirp *slirp_instance; #ifndef NULL #define NULL (void *)0 #endif #ifndef FULL_BOLT void if_start(Slirp *); #else void if_start(struct ttys *); #endif #ifdef BAD_SPRINTF # define vsprintf vsprintf_len # define sprintf sprintf_len extern int vsprintf_len(char *, const char *, va_list); extern int sprintf_len(char *, const char *, ...); #endif #ifdef DECLARE_SPRINTF # ifndef BAD_SPRINTF extern int vsprintf(char *, const char *, va_list); # endif extern int vfprintf(FILE *, const char *, va_list); #endif #ifndef HAVE_STRERROR extern char *strerror(int error); #endif #ifndef HAVE_INDEX char *index(const char *, int); #endif #ifndef HAVE_GETHOSTID long gethostid(void); #endif void lprint(const char *, ...); #ifndef _WIN32 #include #endif #define DEFAULT_BAUD 115200 #define SO_OPTIONS DO_KEEPALIVE #define TCP_MAXIDLE (TCPTV_KEEPCNT * TCPTV_KEEPINTVL) /* cksum.c */ int cksum(struct mbuf *m, int len); /* if.c */ void if_init(Slirp *); void if_output(struct socket *, struct mbuf *); /* ip_input.c */ void ip_init(Slirp *); void ip_input(struct mbuf *); void ip_slowtimo(Slirp *); void ip_stripoptions(struct mbuf *, struct mbuf *); /* ip_output.c */ int ip_output(struct socket *, struct mbuf *); /* tcp_input.c */ void tcp_input(struct mbuf *, int, struct socket *); int tcp_mss(struct tcpcb *, u_int); /* tcp_output.c */ int tcp_output(struct tcpcb *); void tcp_setpersist(struct tcpcb *); /* tcp_subr.c */ void tcp_init(Slirp *); void tcp_template(struct tcpcb *); void tcp_respond(struct tcpcb *, struct tcpiphdr *, struct mbuf *, tcp_seq, tcp_seq, int); struct tcpcb * tcp_newtcpcb(struct socket *); struct tcpcb * tcp_close(struct tcpcb *); void tcp_sockclosed(struct tcpcb *); int tcp_fconnect(struct socket *); void tcp_connect(struct socket *); int tcp_attach(struct socket *); u_int8_t tcp_tos(struct socket *); int tcp_emu(struct socket *, struct mbuf *); int tcp_ctl(struct socket *); struct tcpcb *tcp_drop(struct tcpcb *tp, int err); #ifdef USE_PPP #define MIN_MRU MINMRU #define MAX_MRU MAXMRU #else #define MIN_MRU 128 #define MAX_MRU 16384 #endif #ifndef _WIN32 #define min(x,y) ((x) < (y) ? (x) : (y)) #define max(x,y) ((x) > (y) ? (x) : (y)) #endif #ifdef _WIN32 #undef errno #define errno (WSAGetLastError()) #endif #endif vde2-2.3.2+r586/src/slirpvde/slirp_config.h0000644000000000000000000001105013614540472015215 0ustar /* * User definable configuration options */ #include /* Define if you want the connection to be probed */ /* XXX Not working yet, so ignore this for now */ #undef PROBE_CONN /* Define to 1 if you want KEEPALIVE timers */ #define DO_KEEPALIVE 0 /* Define to MAX interfaces you expect to use at once */ /* MAX_INTERFACES determines the max. TOTAL number of interfaces (SLIP and PPP) */ /* MAX_PPP_INTERFACES determines max. number of PPP interfaces */ #define MAX_INTERFACES 1 #define MAX_PPP_INTERFACES 1 /* Define if you want slirp's socket in /tmp */ /* XXXXXX Do this in ./configure */ #undef USE_TMPSOCKET /* Define if you want slirp to use cfsetXspeed() on the terminal */ #undef DO_CFSETSPEED /* Define this if you want slirp to write to the tty as fast as it can */ /* This should only be set if you are using load-balancing, slirp does a */ /* pretty good job on single modems already, and seting this will make */ /* interactive sessions less responsive */ /* XXXXX Talk about having fast modem as unit 0 */ #undef FULL_BOLT /* * Define if you want slirp to use less CPU * You will notice a small lag in interactive sessions, but it's not that bad * Things like Netscape/ftp/etc. are completely unaffected * This is mainly for sysadmins who have many slirp users */ #undef USE_LOWCPU /* Define this if your compiler doesn't like prototypes */ #ifndef __STDC__ #define NO_PROTOTYPES #endif #if 0 /*********************************************************/ /* * Autoconf defined configuration options * You shouldn't need to touch any of these */ /* Ignore this */ #undef DUMMY_PPP /* Define if you have unistd.h */ #define HAVE_UNISTD_H /* Define if you have stdlib.h */ #define HAVE_STDLIB_H /* Define if you have sys/ioctl.h */ #undef HAVE_SYS_IOCTL_H #ifndef _WIN32 #define HAVE_SYS_IOCTL_H #endif /* Define if you have sys/filio.h */ #undef HAVE_SYS_FILIO_H #ifdef __APPLE__ #define HAVE_SYS_FILIO_H #endif /* Define if you have strerror */ #define HAVE_STRERROR /* Define if you have strdup() */ #define HAVE_STRDUP /* Define according to how time.h should be included */ #define TIME_WITH_SYS_TIME 0 #undef HAVE_SYS_TIME_H /* Define if you have sys/bitypes.h */ #undef HAVE_SYS_BITYPES_H /* Define if the machine is big endian */ //#undef HOST_WORDS_BIGENDIAN /* Define if your sprintf returns char * instead of int */ #undef BAD_SPRINTF /* Define if you have readv */ #undef HAVE_READV /* Define if iovec needs to be declared */ #undef DECLARE_IOVEC #ifdef _WIN32 #define DECLARE_IOVEC #endif /* Define if a declaration of sprintf/fprintf is needed */ #undef DECLARE_SPRINTF /* Define if you have a POSIX.1 sys/wait.h */ #undef HAVE_SYS_WAIT_H /* Define if you have sys/select.h */ #undef HAVE_SYS_SELECT_H #ifndef _WIN32 #define HAVE_SYS_SELECT_H #endif /* Define if you have strings.h */ #define HAVE_STRING_H /* Define if you have arpa/inet.h */ #undef HAVE_ARPA_INET_H #ifndef _WIN32 #define HAVE_ARPA_INET_H #endif /* Define if you have sys/signal.h */ #undef HAVE_SYS_SIGNAL_H /* Define if you have sys/stropts.h */ #undef HAVE_SYS_STROPTS_H /* Define to whatever your compiler thinks inline should be */ //#define inline inline /* Define to whatever your compiler thinks const should be */ //#define const const /* Define if your compiler doesn't like prototypes */ #undef NO_PROTOTYPES /* Define if you don't have u_int32_t etc. typedef'd */ #undef NEED_TYPEDEFS #ifdef __sun__ #define NEED_TYPEDEFS #endif /* Define to sizeof(char) */ #define SIZEOF_CHAR 1 /* Define to sizeof(short) */ #define SIZEOF_SHORT 2 /* Define to sizeof(int) */ #define SIZEOF_INT 4 /* Define to sizeof(char *) */ #define SIZEOF_CHAR_P (HOST_LONG_BITS / 8) /* Define if you have random() */ #undef HAVE_RANDOM /* Define if you have srandom() */ #undef HAVE_SRANDOM /* Define if you have inet_aton */ #undef HAVE_INET_ATON #ifndef _WIN32 #define HAVE_INET_ATON #endif /* Define if you have setenv */ #undef HAVE_SETENV /* Define if you have index() */ #define HAVE_INDEX /* Define if you have bcmp() */ #undef HAVE_BCMP /* Define if you have drand48 */ #undef HAVE_DRAND48 /* Define if you have memmove */ #define HAVE_MEMMOVE /* Define if you have gethostid */ #define HAVE_GETHOSTID /* Define if you DON'T have unix-domain sockets */ #undef NO_UNIX_SOCKETS #ifdef _WIN32 #define NO_UNIX_SOCKETS #endif /* Define if you have revoke() */ #undef HAVE_REVOKE /* Define if you have the sysv method of opening pty's (/dev/ptmx, etc.) */ #undef HAVE_GRANTPT /* Define if you have fchmod */ #undef HAVE_FCHMOD /* Define if you have */ #undef HAVE_SYS_TYPES32_H #endif vde2-2.3.2+r586/src/slirpvde/slirpvde.c0000644000000000000000000003247413614540472014377 0ustar /* Copyright 2003-2007 Renzo Davoli * Licensed under the GPL * Modified by Ludovico Gardenghi 2005 */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //#include "misc.h" #include "tcp2unix.h" #if defined(VDE_DARWIN) || defined(VDE_FREEBSD) # if defined HAVE_SYSLIMITS_H # include # elif defined HAVE_SYS_SYSLIMITS_H # include # else # error "No syslimits.h found" # endif #endif #define DEFAULT_IP_ADDR "10.0.2.2" #define SWITCH_MAGIC 0xfeedface #define BUFSIZE 4096 #define ETH_ALEN 6 struct Slirp *slirp; struct in_addr vnetwork; struct in_addr vnetmask; struct in_addr vhost; struct in_addr vdhcp_start; struct in_addr vnameserver; VDECONN *conn; VDESTREAM *vdestream; int dhcpmgmt=0; static char *pidfile = NULL; static char pidfile_path[PATH_MAX]; int logok=0; char *prog; void printlog(int priority, const char *format, ...) { va_list arg; va_start (arg, format); if (logok) vsyslog(priority,format,arg); else { fprintf(stderr,"%s: ",prog); vfprintf(stderr,format,arg); fprintf(stderr,"\n"); } va_end (arg); } static void save_pidfile() { if(pidfile[0] != '/') strncat(pidfile_path, pidfile, sizeof(pidfile_path) - strlen(pidfile_path) -1); else { pidfile_path[0] = 0; strncat(pidfile_path, pidfile, sizeof(pidfile_path)-1); } int fd = open(pidfile_path, O_WRONLY | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); FILE *f; if(fd == -1) { printlog(LOG_ERR, "Error in pidfile creation: %s", strerror(errno)); exit(1); } if((f = fdopen(fd, "w")) == NULL) { printlog(LOG_ERR, "Error in FILE* construction: %s", strerror(errno)); exit(1); } if(fprintf(f, "%ld\n", (long int)getpid()) <= 0) { printlog(LOG_ERR, "Error in writing pidfile"); exit(1); } fclose(f); } static void cleanup(void) { if((pidfile != NULL) && unlink(pidfile_path) < 0) { printlog(LOG_WARNING,"Couldn't remove pidfile '%s': %s", pidfile, strerror(errno)); } if (vdestream != NULL) vdestream_close(vdestream); if (conn != NULL) vde_close(conn); } unsigned char bufin[BUFSIZE]; int slirp_can_output(void *opaque) { return 1; } #if 0 #define convery2ascii(x) ((x)>=' ' && (x) <= '~')?(x):'.' void dumppkt(const uint8_t *pkt, int pkt_len) { int i,j; printf("Packet dump len=%d\n",pkt_len); if (pkt_len == 0) return; for (i=0;i<((pkt_len-1)/16)+1;i++) { for (j=0;j<16;j++) if (i*16+j > pkt_len) printf(" "); else printf("%02x ",pkt[i*16+j]); printf(" "); for (j=0;j<16;j++) if (i*16+j > pkt_len) printf(" "); else printf("%c",convery2ascii(pkt[i*16+j])); printf("\n"); } } #endif void slirp_output(void *opaque, const uint8_t *pkt, int pkt_len) { /* slirp -> vde */ //fprintf(stderr,"RX from slirp %d\n",pkt_len); //dumppkt(pkt,pkt_len); if (vdestream == NULL) vde_send(conn,pkt,pkt_len,0); else vdestream_send(vdestream, pkt, pkt_len); } #define IS_TCP 0 #define IS_UDP 1 static char *tcpudp[]={"TCP","UDP"}; struct redir_tcp_udp { struct in_addr inaddr; int is_udp; int port; int lport; struct redir_tcp_udp *next; }; struct redirx { struct in_addr inaddr; int start_port; int display; int screen; struct redirx *next; }; static struct redir_tcp_udp *parse_redir_tcp(struct redir_tcp_udp *head, char *buff,int is_udp) { u_int32_t inaddr=0; int port=0; int lport=0; char *ipaddrstr=NULL; char *portstr=NULL; struct redir_tcp_udp *new; if ((ipaddrstr = strchr(buff, ':'))==NULL || *(ipaddrstr+1)==0) { fprintf(stderr,"redir %s syntax error\n",tcpudp[is_udp]); return head; } *ipaddrstr++ = 0; if ((portstr = strchr(ipaddrstr, ':'))==NULL || *(portstr+1)==0) { fprintf(stderr,"redir %s syntax error\n",tcpudp[is_udp]); return head; } *portstr++ = 0; sscanf(buff,"%d",&lport); sscanf(portstr,"%d",&port); if (ipaddrstr) inaddr = inet_addr(ipaddrstr); if (!inaddr) { fprintf(stderr,"%s redirection error: an IP address must be specified\n",tcpudp[is_udp]); return head; } if ((new=malloc(sizeof(struct redir_tcp_udp)))==NULL) return head; else { inet_aton(ipaddrstr,&new->inaddr); new->is_udp=is_udp; new->port=port; new->lport=lport; new->next=head; return new; } } static struct redirx *parse_redir_x(struct redirx *head, char *buff) { char *ptr=NULL; u_int32_t inaddr = 0; int display=0; int screen=0; int start_port = 0; struct redirx *new; if ((ptr = strchr(buff, ':'))) { *ptr++ = 0; if (*ptr == 0) { fprintf(stderr,"X-redirection syntax error\n"); return head; } } if (buff[0]) { inaddr = inet_addr(buff); if (inaddr == 0xffffffff) { fprintf(stderr,"Error: X-redirection bad address\r\n"); return head; } } if (ptr) { if (strchr(ptr, '.')) { if (sscanf(ptr, "%d.%d", &display, &screen) != 2) return head; } else { if (sscanf(ptr, "%d", &display) != 1) return head; } } if (!inaddr) { fprintf(stderr,"Error: X-redirection an IP address must be specified\r\n"); return head; } if ((new=malloc(sizeof(struct redirx)))==NULL) return head; else { inet_aton(buff,&new->inaddr); new->display=display; new->screen=screen; new->start_port=start_port; new->next=head; return new; } } static void parse_redir_locx(char *buff) { char *path; int port=atoi(buff); if ((path = strchr(buff, ':'))) { *path++=0; tcp2unix_add(port,path); } else fprintf(stderr,"Error: tcp2unix redirection sytax error -x port:path e.g. -x 6000:/tmp/.X11-unix/X0\r\n"); } static void do_redir_tcp(struct redir_tcp_udp *head, int quiet) { struct in_addr host_addr={.s_addr=htonl(INADDR_ANY)}; if (head) { do_redir_tcp(head->next,quiet); if (slirp_add_hostfwd(slirp, head->is_udp, host_addr, head->lport, head->inaddr,head->port) >= 0) { if (!quiet) lprint(" redir %s =%d:%s:%d\n", tcpudp[head->is_udp],head->lport,inet_ntoa(head->inaddr),head->port); } free(head); } } static void do_redir_x(struct redirx *head, int quiet) { struct in_addr host_addr={.s_addr=htonl(INADDR_ANY)}; if (head) { do_redir_x(head->next,quiet); int i; //redir_x(head->inaddr,head->start_port,head->display,head->screen); for (i = 6000 + head->start_port; i <= 6100; i++) { if (slirp_add_hostfwd(slirp, IS_TCP, host_addr, htons(i), head->inaddr, htons(6000 + head->display)) == 0) { if (!quiet) lprint(" redir X =%s:%d.%d\n", inet_ntoa(head->inaddr),head->display,head->screen); break; } } free(head); } } static ssize_t vdeslirp_plug_recv(void *opaque, void *buf, size_t count) { struct Slirp *slirp=opaque; slirp_input(slirp,(uint8_t *)buf,count); return count; } void usage(char *name) { fprintf(stderr, "Usage:\n" " %s [-socket vdesock] [-dhcp] [-daemon] [-network netaddr] \n" "\t [-L host_port:guest_addr:guest_port] [-X guest_addr[:display[.screen]]] \n" "\t [-x portno:unix_socket_path]\n" " %s [-s vdesock] [-D] [-d] [-n netaddr]\n" "\t [-L host_port:guest_addr:guest_port] [-X guest_addr[:display[.screen]]] \n" "\t [-x portno:unix_socket_path]\n" "This tool includes software developed by Danny Gasparovski.\n\n" ,name,name); exit(-1); } int main(int argc, char **argv) { char *sockname=NULL; int result,nfds; register ssize_t nx; /*int i;*/ fd_set rs,ws,xs; int opt,longindx; int daemonize=0; struct redir_tcp_udp *rtcp=NULL; struct redirx *rx=NULL; struct vde_open_args open_args={.port=0,.group=NULL,.mode=0700}; char *tftp_path=NULL; int maskbits=24; int datafd=0,ctlfd=0; int quiet=0; static struct option slirpvdeopts[] = { {"socket",required_argument,NULL,'s'}, {"sock",required_argument,NULL,'s'}, {"vdesock",required_argument,NULL,'s'}, {"unix",required_argument,NULL,'s'}, {"pidfile", required_argument, NULL, 'p'}, {"dhcp",optional_argument,NULL,'D'}, {"daemon",no_argument,NULL,'d'}, {"network",required_argument,NULL,'n'}, {"nameserver",required_argument,NULL,'N'}, {"dns",required_argument,NULL,'N'}, {"host",required_argument,NULL,'H'}, {"mod",required_argument,NULL,'m'}, {"group",required_argument,NULL,'g'}, {"port",required_argument,NULL,'P'}, {"tftp",required_argument,NULL,'t'}, {"quiet",no_argument,NULL,'q'}, {"help",no_argument,NULL,'h'}, {NULL,no_argument,NULL,0}}; inet_aton(DEFAULT_IP_ADDR,&vhost); prog=basename(argv[0]); while ((opt=GETOPT_LONG(argc,argv,"Ds:n:H:p:g:m:L:U:X:x:t:N:dqh",slirpvdeopts,&longindx)) > 0) { switch (opt) { case 's' : sockname=optarg; break; case 'D' : dhcpmgmt = 1; if (optarg != NULL) inet_aton(optarg,&vdhcp_start); break; case 'd' : daemonize = 1; break; case 'H' : case 'n' : { char *slash=strchr(optarg,'/'); if (slash) { maskbits=atoi(slash+1); *slash=0; } inet_aton(optarg,&vhost); } break; case 'N' : inet_aton(optarg,&vnameserver); break; case 'm' : sscanf(optarg,"%o",(unsigned int *)&(open_args.mode)); break; case 'g' : open_args.group=strdup(optarg); break; case 'p': pidfile=strdup(optarg); break; case 'P' : open_args.port=atoi(optarg); break; case 'L': rtcp=parse_redir_tcp(rtcp,optarg,IS_TCP); break; case 'U': rtcp=parse_redir_tcp(rtcp,optarg,IS_UDP); break; case 'X': rx=parse_redir_x(rx,optarg); break; case 'x': parse_redir_locx(optarg); break; case 't': tftp_path=strdup(optarg); break; case 'q': quiet=1; break; default : usage(prog); break; } } if (optind < argc && sockname==NULL) sockname=argv[optind++]; if (optind < argc) usage(prog); atexit(cleanup); if (daemonize) { openlog(basename(prog), LOG_PID, 0); logok=1; syslog(LOG_INFO,"slirpvde started"); } if(getcwd(pidfile_path, PATH_MAX-1) == NULL) { printlog(LOG_ERR, "getcwd: %s", strerror(errno)); exit(1); } if (sockname==NULL || strcmp(sockname,"-") != 0) { conn=vde_open(sockname,"slirpvde:",&open_args); if (!conn) { printlog(LOG_ERR, "Could not connect to the VDE switch at '%s': %s", sockname, strerror(errno)); exit(1); } datafd = vde_datafd(conn); ctlfd = vde_ctlfd(conn); if (datafd < 0 || ctlfd < 0) { printlog(LOG_ERR, "Wrong file descriptor(s) for the VDE plug: (%d, %d)", datafd, ctlfd); exit(1); } strncat(pidfile_path, "/", sizeof(pidfile_path) - strlen(pidfile_path) -1); if (daemonize && daemon(0, 0)) { printlog(LOG_ERR,"daemon: %s",strerror(errno)); exit(1); } } if(pidfile) save_pidfile(); vnetmask.s_addr=htonl(~((1<< (32-maskbits)) - 1)); vnetwork.s_addr=vhost.s_addr & vnetmask.s_addr; if ((vhost.s_addr & ~vnetmask.s_addr) == 0) vhost.s_addr=htonl(ntohl(vnetwork.s_addr) | 2); if (vdhcp_start.s_addr == 0 && dhcpmgmt) vdhcp_start.s_addr=htonl(ntohl(vnetwork.s_addr) | 15); if (vnameserver.s_addr == 0) vnameserver.s_addr=htonl(ntohl(vnetwork.s_addr) | 3); /* netw */ slirp = slirp_init(0, vnetwork, vnetmask, vhost, NULL, tftp_path, NULL, vdhcp_start, vnameserver, conn); if (sockname != NULL && strcmp(sockname,"-")==0) { vdestream=vdestream_open(slirp,STDOUT_FILENO,vdeslirp_plug_recv,NULL); if (vdestream == NULL) { printlog(LOG_ERR, "Could not connect to the PLUG: %s", strerror(errno)); exit(1); } datafd=ctlfd=STDIN_FILENO; quiet=1; } if (!quiet) { lprint("Starting slirpvde: virtual_host=%s/%d\n", inet_ntoa(vhost), maskbits); lprint(" DNS =%s\n", inet_ntoa(vnameserver)); if (vdhcp_start.s_addr != 0) lprint(" dhcp_start =%s\n", inet_ntoa(vdhcp_start)); if (tftp_path != NULL) lprint(" tftp prefix =%s\n", tftp_path); lprint(" vde switch =%s\n", (sockname == NULL)?"*DEFAULT*":sockname); } do_redir_tcp(rtcp,quiet); do_redir_x(rx,quiet); for(;;) { FD_ZERO(&rs); FD_ZERO(&ws); FD_ZERO(&xs); nfds= -1; slirp_select_fill(&nfds,&rs,&ws,&xs); FD_SET(datafd,&rs); FD_SET(ctlfd,&rs); if (datafd>nfds) nfds=datafd; if (ctlfd>nfds) nfds=ctlfd; result=select(nfds+1,&rs,&ws,&xs,NULL); if (conn != NULL) { //printf("SELECT %d %d\n",nfds,result); if (FD_ISSET(datafd,&rs)) { nx=vde_recv(conn,bufin,BUFSIZE,0); //fprintf(stderr,"TX to slirp %d\n",nx); //dumppkt(bufin,nx); result--; slirp_input(slirp,bufin,nx); //fprintf(stderr,"TX to slirp %d exit\n",nx); } if (result > 0) { //fprintf(stderr,"slirp poll\n"); slirp_select_poll(&rs,&ws,&xs,0); //fprintf(stderr,"slirp poll exit\n"); } if (FD_ISSET(ctlfd,&rs)) { if(read(ctlfd,bufin,BUFSIZE)==0) exit(0); } } else { /* vdestream != NULL */ if (FD_ISSET(datafd,&rs)) { nx=read(datafd,bufin,BUFSIZE); if (nx==0) exit(0); vdestream_recv(vdestream, bufin, nx); result--; } if (result > 0) { //fprintf(stderr,"slirp poll\n"); slirp_select_poll(&rs,&ws,&xs,0); //fprintf(stderr,"slirp poll exit\n"); } } } return(0); } vde2-2.3.2+r586/src/slirpvde/socket.c0000644000000000000000000004273113614540472014034 0ustar /* * Copyright (c) 1995 Danny Gasparovski. * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ #include "qemu-common.h" #include #include "ip_icmp.h" #ifdef __sun__ #include #endif static void sofcantrcvmore(struct socket *so); static void sofcantsendmore(struct socket *so); struct socket * solookup(struct socket *head, struct in_addr laddr, u_int lport, struct in_addr faddr, u_int fport) { struct socket *so; for (so = head->so_next; so != head; so = so->so_next) { if (so->so_lport == lport && so->so_laddr.s_addr == laddr.s_addr && so->so_faddr.s_addr == faddr.s_addr && so->so_fport == fport) break; } if (so == head) return (struct socket *)NULL; return so; } /* * Create a new socket, initialise the fields * It is the responsibility of the caller to * insque() it into the correct linked-list */ struct socket * socreate(Slirp *slirp) { struct socket *so; so = (struct socket *)malloc(sizeof(struct socket)); if(so) { memset(so, 0, sizeof(struct socket)); so->so_state = SS_NOFDREF; so->s = -1; so->slirp = slirp; } return(so); } /* * remque and free a socket, clobber cache */ void sofree(struct socket *so) { Slirp *slirp = so->slirp; if (so->so_emu==EMU_RSH && so->extra) { sofree(so->extra); so->extra=NULL; } if (so == slirp->tcp_last_so) { slirp->tcp_last_so = &slirp->tcb; } else if (so == slirp->udp_last_so) { slirp->udp_last_so = &slirp->udb; } m_free(so->so_m); if(so->so_next && so->so_prev) remque(so); /* crashes if so is not in a queue */ free(so); } size_t sopreprbuf(struct socket *so, struct iovec *iov, int *np) { int n, lss, total; struct sbuf *sb = &so->so_snd; int len = sb->sb_datalen - sb->sb_cc; int mss = so->so_tcpcb->t_maxseg; DEBUG_CALL("sopreprbuf"); DEBUG_ARG("so = %lx", (long )so); len = sb->sb_datalen - sb->sb_cc; if (len <= 0) return 0; iov[0].iov_base = sb->sb_wptr; iov[1].iov_base = NULL; iov[1].iov_len = 0; if (sb->sb_wptr < sb->sb_rptr) { iov[0].iov_len = sb->sb_rptr - sb->sb_wptr; /* Should never succeed, but... */ if (iov[0].iov_len > len) iov[0].iov_len = len; if (iov[0].iov_len > mss) iov[0].iov_len -= iov[0].iov_len%mss; n = 1; } else { iov[0].iov_len = (sb->sb_data + sb->sb_datalen) - sb->sb_wptr; /* Should never succeed, but... */ if (iov[0].iov_len > len) iov[0].iov_len = len; len -= iov[0].iov_len; if (len) { iov[1].iov_base = sb->sb_data; iov[1].iov_len = sb->sb_rptr - sb->sb_data; if(iov[1].iov_len > len) iov[1].iov_len = len; total = iov[0].iov_len + iov[1].iov_len; if (total > mss) { lss = total%mss; if (iov[1].iov_len > lss) { iov[1].iov_len -= lss; n = 2; } else { lss -= iov[1].iov_len; iov[0].iov_len -= lss; n = 1; } } else n = 2; } else { if (iov[0].iov_len > mss) iov[0].iov_len -= iov[0].iov_len%mss; n = 1; } } if (np) *np = n; return iov[0].iov_len + (n - 1) * iov[1].iov_len; } /* * Read from so's socket into sb_snd, updating all relevant sbuf fields * NOTE: This will only be called if it is select()ed for reading, so * a read() of 0 (or less) means it's disconnected */ int soread(struct socket *so) { int n, nn; struct sbuf *sb = &so->so_snd; struct iovec iov[2]; DEBUG_CALL("soread"); DEBUG_ARG("so = %lx", (long )so); /* * No need to check if there's enough room to read. * soread wouldn't have been called if there weren't */ sopreprbuf(so, iov, &n); #ifdef HAVE_READV nn = readv(so->s, (struct iovec *)iov, n); DEBUG_MISC((dfd, " ... read nn = %d bytes\n", nn)); #else nn = recv(so->s, iov[0].iov_base, iov[0].iov_len,0); #endif if (nn <= 0) { if (nn < 0 && (errno == EINTR || errno == EAGAIN)) return 0; else { DEBUG_MISC((dfd, " --- soread() disconnected, nn = %d, errno = %d-%s\n", nn, errno,strerror(errno))); sofcantrcvmore(so); tcp_sockclosed(sototcpcb(so)); return -1; } } #ifndef HAVE_READV /* * If there was no error, try and read the second time round * We read again if n = 2 (ie, there's another part of the buffer) * and we read as much as we could in the first read * We don't test for <= 0 this time, because there legitimately * might not be any more data (since the socket is non-blocking), * a close will be detected on next iteration. * A return of -1 wont (shouldn't) happen, since it didn't happen above */ if (n == 2 && nn == iov[0].iov_len) { int ret; ret = recv(so->s, iov[1].iov_base, iov[1].iov_len,0); if (ret > 0) nn += ret; } DEBUG_MISC((dfd, " ... read nn = %d bytes\n", nn)); #endif /* Update fields */ sb->sb_cc += nn; sb->sb_wptr += nn; if (sb->sb_wptr >= (sb->sb_data + sb->sb_datalen)) sb->sb_wptr -= sb->sb_datalen; return nn; } int soreadbuf(struct socket *so, const char *buf, int size) { int n, nn, copy = size; struct sbuf *sb = &so->so_snd; struct iovec iov[2]; DEBUG_CALL("soreadbuf"); DEBUG_ARG("so = %lx", (long )so); /* * No need to check if there's enough room to read. * soread wouldn't have been called if there weren't */ if (sopreprbuf(so, iov, &n) < size) goto err; nn = MIN(iov[0].iov_len, copy); memcpy(iov[0].iov_base, buf, nn); copy -= nn; buf += nn; if (copy == 0) goto done; memcpy(iov[1].iov_base, buf, copy); done: /* Update fields */ sb->sb_cc += size; sb->sb_wptr += size; if (sb->sb_wptr >= (sb->sb_data + sb->sb_datalen)) sb->sb_wptr -= sb->sb_datalen; return size; err: sofcantrcvmore(so); tcp_sockclosed(sototcpcb(so)); fprintf(stderr, "soreadbuf buffer to small"); return -1; } /* * Get urgent data * * When the socket is created, we set it SO_OOBINLINE, * so when OOB data arrives, we soread() it and everything * in the send buffer is sent as urgent data */ void sorecvoob(struct socket *so) { struct tcpcb *tp = sototcpcb(so); DEBUG_CALL("sorecvoob"); DEBUG_ARG("so = %lx", (long)so); /* * We take a guess at how much urgent data has arrived. * In most situations, when urgent data arrives, the next * read() should get all the urgent data. This guess will * be wrong however if more data arrives just after the * urgent data, or the read() doesn't return all the * urgent data. */ soread(so); tp->snd_up = tp->snd_una + so->so_snd.sb_cc; tp->t_force = 1; tcp_output(tp); tp->t_force = 0; } /* * Send urgent data * There's a lot duplicated code here, but... */ int sosendoob(struct socket *so) { struct sbuf *sb = &so->so_rcv; char buff[2048]; /* XXX Shouldn't be sending more oob data than this */ int n, len; DEBUG_CALL("sosendoob"); DEBUG_ARG("so = %lx", (long)so); DEBUG_ARG("sb->sb_cc = %d", sb->sb_cc); if (so->so_urgc > 2048) so->so_urgc = 2048; /* XXXX */ if (sb->sb_rptr < sb->sb_wptr) { /* We can send it directly */ n = slirp_send(so, sb->sb_rptr, so->so_urgc, (MSG_OOB)); /* |MSG_DONTWAIT)); */ so->so_urgc -= n; DEBUG_MISC((dfd, " --- sent %d bytes urgent data, %d urgent bytes left\n", n, so->so_urgc)); } else { /* * Since there's no sendv or sendtov like writev, * we must copy all data to a linear buffer then * send it all */ len = (sb->sb_data + sb->sb_datalen) - sb->sb_rptr; if (len > so->so_urgc) len = so->so_urgc; memcpy(buff, sb->sb_rptr, len); so->so_urgc -= len; if (so->so_urgc) { n = sb->sb_wptr - sb->sb_data; if (n > so->so_urgc) n = so->so_urgc; memcpy((buff + len), sb->sb_data, n); so->so_urgc -= n; len += n; } n = slirp_send(so, buff, len, (MSG_OOB)); /* |MSG_DONTWAIT)); */ #ifdef DEBUG if (n != len) DEBUG_ERROR((dfd, "Didn't send all data urgently XXXXX\n")); #endif DEBUG_MISC((dfd, " ---2 sent %d bytes urgent data, %d urgent bytes left\n", n, so->so_urgc)); } sb->sb_cc -= n; sb->sb_rptr += n; if (sb->sb_rptr >= (sb->sb_data + sb->sb_datalen)) sb->sb_rptr -= sb->sb_datalen; return n; } /* * Write data from so_rcv to so's socket, * updating all sbuf field as necessary */ int sowrite(struct socket *so) { int n,nn; struct sbuf *sb = &so->so_rcv; int len = sb->sb_cc; struct iovec iov[2]; DEBUG_CALL("sowrite"); DEBUG_ARG("so = %lx", (long)so); if (so->so_urgc) { sosendoob(so); if (sb->sb_cc == 0) return 0; } /* * No need to check if there's something to write, * sowrite wouldn't have been called otherwise */ len = sb->sb_cc; iov[0].iov_base = sb->sb_rptr; iov[1].iov_base = NULL; iov[1].iov_len = 0; if (sb->sb_rptr < sb->sb_wptr) { iov[0].iov_len = sb->sb_wptr - sb->sb_rptr; /* Should never succeed, but... */ if (iov[0].iov_len > len) iov[0].iov_len = len; n = 1; } else { iov[0].iov_len = (sb->sb_data + sb->sb_datalen) - sb->sb_rptr; if (iov[0].iov_len > len) iov[0].iov_len = len; len -= iov[0].iov_len; if (len) { iov[1].iov_base = sb->sb_data; iov[1].iov_len = sb->sb_wptr - sb->sb_data; if (iov[1].iov_len > len) iov[1].iov_len = len; n = 2; } else n = 1; } /* Check if there's urgent data to send, and if so, send it */ #ifdef HAVE_READV nn = writev(so->s, (const struct iovec *)iov, n); DEBUG_MISC((dfd, " ... wrote nn = %d bytes\n", nn)); #else nn = slirp_send(so, iov[0].iov_base, iov[0].iov_len,0); #endif /* This should never happen, but people tell me it does *shrug* */ if (nn < 0 && (errno == EAGAIN || errno == EINTR)) return 0; if (nn <= 0) { DEBUG_MISC((dfd, " --- sowrite disconnected, so->so_state = %x, errno = %d\n", so->so_state, errno)); sofcantsendmore(so); tcp_sockclosed(sototcpcb(so)); return -1; } #ifndef HAVE_READV if (n == 2 && nn == iov[0].iov_len) { int ret; ret = slirp_send(so, iov[1].iov_base, iov[1].iov_len,0); if (ret > 0) nn += ret; } DEBUG_MISC((dfd, " ... wrote nn = %d bytes\n", nn)); #endif /* Update sbuf */ sb->sb_cc -= nn; sb->sb_rptr += nn; if (sb->sb_rptr >= (sb->sb_data + sb->sb_datalen)) sb->sb_rptr -= sb->sb_datalen; /* * If in DRAIN mode, and there's no more data, set * it CANTSENDMORE */ if ((so->so_state & SS_FWDRAIN) && sb->sb_cc == 0) sofcantsendmore(so); return nn; } /* * recvfrom() a UDP socket */ void sorecvfrom(struct socket *so) { struct sockaddr_in addr; socklen_t addrlen = sizeof(struct sockaddr_in); DEBUG_CALL("sorecvfrom"); DEBUG_ARG("so = %lx", (long)so); if (so->so_type == IPPROTO_ICMP) { /* This is a "ping" reply */ char buff[256]; int len; len = recvfrom(so->s, buff, 256, 0, (struct sockaddr *)&addr, &addrlen); /* XXX Check if reply is "correct"? */ if(len == -1 || len == 0) { u_char code=ICMP_UNREACH_PORT; if(errno == EHOSTUNREACH) code=ICMP_UNREACH_HOST; else if(errno == ENETUNREACH) code=ICMP_UNREACH_NET; DEBUG_MISC((dfd," udp icmp rx errno = %d-%s\n", errno,strerror(errno))); icmp_error(so->so_m, ICMP_UNREACH,code, 0,strerror(errno)); } else { icmp_reflect(so->so_m); so->so_m = NULL; /* Don't m_free() it again! */ } /* No need for this socket anymore, udp_detach it */ udp_detach(so); } else { /* A "normal" UDP packet */ struct mbuf *m; int len; #ifdef _WIN32 unsigned long n; #else int n; #endif m = m_get(so->slirp); if (!m) { return; } m->m_data += IF_MAXLINKHDR; /* * XXX Shouldn't FIONREAD packets destined for port 53, * but I don't know the max packet size for DNS lookups */ len = M_FREEROOM(m); /* if (so->so_fport != htons(53)) { */ ioctlsocket(so->s, FIONREAD, &n); if (n > len) { n = (m->m_data - m->m_dat) + m->m_len + n + 1; m_inc(m, n); len = M_FREEROOM(m); } /* } */ m->m_len = recvfrom(so->s, m->m_data, len, 0, (struct sockaddr *)&addr, &addrlen); DEBUG_MISC((dfd, " did recvfrom %d, errno = %d-%s\n", m->m_len, errno,strerror(errno))); if(m->m_len<0) { u_char code=ICMP_UNREACH_PORT; if(errno == EHOSTUNREACH) code=ICMP_UNREACH_HOST; else if(errno == ENETUNREACH) code=ICMP_UNREACH_NET; DEBUG_MISC((dfd," rx error, tx icmp ICMP_UNREACH:%i\n", code)); icmp_error(so->so_m, ICMP_UNREACH,code, 0,strerror(errno)); m_free(m); } else { /* * Hack: domain name lookup will be used the most for UDP, * and since they'll only be used once there's no need * for the 4 minute (or whatever) timeout... So we time them * out much quicker (10 seconds for now...) */ if (so->so_expire) { if (so->so_fport == htons(53)) so->so_expire = curtime + SO_EXPIREFAST; else so->so_expire = curtime + SO_EXPIRE; } /* * If this packet was destined for CTL_ADDR, * make it look like that's where it came from, done by udp_output */ udp_output(so, m, &addr); } /* rx error */ } /* if ping packet */ } /* * sendto() a socket */ int sosendto(struct socket *so, struct mbuf *m) { Slirp *slirp = so->slirp; int ret; struct sockaddr_in addr; DEBUG_CALL("sosendto"); DEBUG_ARG("so = %lx", (long)so); DEBUG_ARG("m = %lx", (long)m); addr.sin_family = AF_INET; if ((so->so_faddr.s_addr & slirp->vnetwork_mask.s_addr) == slirp->vnetwork_addr.s_addr) { /* It's an alias */ if (so->so_faddr.s_addr == slirp->vnameserver_addr.s_addr) { if (get_dns_addr(&addr.sin_addr) < 0) addr.sin_addr = loopback_addr; } else { addr.sin_addr = loopback_addr; } } else addr.sin_addr = so->so_faddr; addr.sin_port = so->so_fport; DEBUG_MISC((dfd, " sendto()ing, addr.sin_port=%d, addr.sin_addr.s_addr=%.16s\n", ntohs(addr.sin_port), inet_ntoa(addr.sin_addr))); /* Don't care what port we get */ ret = sendto(so->s, m->m_data, m->m_len, 0, (struct sockaddr *)&addr, sizeof (struct sockaddr)); if (ret < 0) return -1; /* * Kill the socket if there's no reply in 4 minutes, * but only if it's an expirable socket */ if (so->so_expire) so->so_expire = curtime + SO_EXPIRE; so->so_state &= SS_PERSISTENT_MASK; so->so_state |= SS_ISFCONNECTED; /* So that it gets select()ed */ return 0; } /* * Listen for incoming TCP connections */ struct socket * tcp_listen(Slirp *slirp, u_int32_t haddr, u_int hport, u_int32_t laddr, u_int lport, int flags) { struct sockaddr_in addr; struct socket *so; int s, opt = 1; socklen_t addrlen = sizeof(addr); DEBUG_CALL("tcp_listen"); DEBUG_ARG("haddr = %x", haddr); DEBUG_ARG("hport = %d", hport); DEBUG_ARG("laddr = %x", laddr); DEBUG_ARG("lport = %d", lport); DEBUG_ARG("flags = %x", flags); so = socreate(slirp); if (!so) { return NULL; } /* Don't tcp_attach... we don't need so_snd nor so_rcv */ if ((so->so_tcpcb = tcp_newtcpcb(so)) == NULL) { free(so); return NULL; } insque(so, &slirp->tcb); /* * SS_FACCEPTONCE sockets must time out. */ if (flags & SS_FACCEPTONCE) so->so_tcpcb->t_timer[TCPT_KEEP] = TCPTV_KEEP_INIT*2; so->so_state &= SS_PERSISTENT_MASK; so->so_state |= (SS_FACCEPTCONN | flags); so->so_lport = lport; /* Kept in network format */ so->so_laddr.s_addr = laddr; /* Ditto */ addr.sin_family = AF_INET; addr.sin_addr.s_addr = haddr; addr.sin_port = hport; if (((s = qemu_socket(AF_INET,SOCK_STREAM,0)) < 0) || (setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&opt,sizeof(int)) < 0) || (bind(s,(struct sockaddr *)&addr, sizeof(addr)) < 0) || (listen(s,1) < 0)) { int tmperrno = errno; /* Don't clobber the real reason we failed */ close(s); sofree(so); /* Restore the real errno */ #ifdef _WIN32 WSASetLastError(tmperrno); #else errno = tmperrno; #endif return NULL; } setsockopt(s,SOL_SOCKET,SO_OOBINLINE,(char *)&opt,sizeof(int)); getsockname(s,(struct sockaddr *)&addr,&addrlen); so->so_fport = addr.sin_port; if (addr.sin_addr.s_addr == 0 || addr.sin_addr.s_addr == loopback_addr.s_addr) so->so_faddr = slirp->vhost_addr; else so->so_faddr = addr.sin_addr; so->s = s; return so; } /* * Various session state calls * XXX Should be #define's * The socket state stuff needs work, these often get call 2 or 3 * times each when only 1 was needed */ void soisfconnecting(struct socket *so) { so->so_state &= ~(SS_NOFDREF|SS_ISFCONNECTED|SS_FCANTRCVMORE| SS_FCANTSENDMORE|SS_FWDRAIN); so->so_state |= SS_ISFCONNECTING; /* Clobber other states */ } void soisfconnected(struct socket *so) { so->so_state &= ~(SS_ISFCONNECTING|SS_FWDRAIN|SS_NOFDREF); so->so_state |= SS_ISFCONNECTED; /* Clobber other states */ } static void sofcantrcvmore(struct socket *so) { if ((so->so_state & SS_NOFDREF) == 0) { shutdown(so->s,0); if(global_writefds) { FD_CLR(so->s,global_writefds); } } so->so_state &= ~(SS_ISFCONNECTING); if (so->so_state & SS_FCANTSENDMORE) { so->so_state &= SS_PERSISTENT_MASK; so->so_state |= SS_NOFDREF; /* Don't select it */ } else { so->so_state |= SS_FCANTRCVMORE; } } static void sofcantsendmore(struct socket *so) { if ((so->so_state & SS_NOFDREF) == 0) { shutdown(so->s,1); /* send FIN to fhost */ if (global_readfds) { FD_CLR(so->s,global_readfds); } if (global_xfds) { FD_CLR(so->s,global_xfds); } } so->so_state &= ~(SS_ISFCONNECTING); if (so->so_state & SS_FCANTRCVMORE) { so->so_state &= SS_PERSISTENT_MASK; so->so_state |= SS_NOFDREF; /* as above */ } else { so->so_state |= SS_FCANTSENDMORE; } } /* * Set write drain mode * Set CANTSENDMORE once all data has been write()n */ void sofwdrain(struct socket *so) { if (so->so_rcv.sb_cc) so->so_state |= SS_FWDRAIN; else sofcantsendmore(so); } vde2-2.3.2+r586/src/slirpvde/socket.h0000644000000000000000000000662613614540472014044 0ustar /* * Copyright (c) 1995 Danny Gasparovski. * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ #ifndef _SLIRP_SOCKET_H_ #define _SLIRP_SOCKET_H_ #define SO_EXPIRE 240000 #define SO_EXPIREFAST 10000 /* * Our socket structure */ struct socket { struct socket *so_next,*so_prev; /* For a linked list of sockets */ int s; /* The actual socket */ Slirp *slirp; /* managing slirp instance */ /* XXX union these with not-yet-used sbuf params */ struct mbuf *so_m; /* Pointer to the original SYN packet, * for non-blocking connect()'s, and * PING reply's */ struct tcpiphdr *so_ti; /* Pointer to the original ti within * so_mconn, for non-blocking connections */ int so_urgc; struct in_addr so_faddr; /* foreign host table entry */ struct in_addr so_laddr; /* local host table entry */ u_int16_t so_fport; /* foreign port */ u_int16_t so_lport; /* local port */ u_int8_t so_iptos; /* Type of service */ u_int8_t so_emu; /* Is the socket emulated? */ u_char so_type; /* Type of socket, UDP or TCP */ int so_state; /* internal state flags SS_*, below */ struct tcpcb *so_tcpcb; /* pointer to TCP protocol control block */ u_int so_expire; /* When the socket will expire */ int so_queued; /* Number of packets queued from this socket */ int so_nqueued; /* Number of packets queued in a row * Used to determine when to "downgrade" a session * from fastq to batchq */ struct sbuf so_rcv; /* Receive buffer */ struct sbuf so_snd; /* Send buffer */ void * extra; /* Extra pointer */ }; /* * Socket state bits. (peer means the host on the Internet, * local host means the host on the other end of the modem) */ #define SS_NOFDREF 0x001 /* No fd reference */ #define SS_ISFCONNECTING 0x002 /* Socket is connecting to peer (non-blocking connect()'s) */ #define SS_ISFCONNECTED 0x004 /* Socket is connected to peer */ #define SS_FCANTRCVMORE 0x008 /* Socket can't receive more from peer (for half-closes) */ #define SS_FCANTSENDMORE 0x010 /* Socket can't send more to peer (for half-closes) */ #define SS_FWDRAIN 0x040 /* We received a FIN, drain data and set SS_FCANTSENDMORE */ #define SS_CTL 0x080 #define SS_FACCEPTCONN 0x100 /* Socket is accepting connections from a host on the internet */ #define SS_FACCEPTONCE 0x200 /* If set, the SS_FACCEPTCONN socket will die after one accept */ #define SS_PERSISTENT_MASK 0xf000 /* Unremovable state bits */ #define SS_HOSTFWD 0x1000 /* Socket describes host->guest forwarding */ #define SS_INCOMING 0x2000 /* Connection was initiated by a host on the internet */ struct socket * solookup(struct socket *, struct in_addr, u_int, struct in_addr, u_int); struct socket * socreate(Slirp *); void sofree(struct socket *); int soread(struct socket *); void sorecvoob(struct socket *); int sosendoob(struct socket *); int sowrite(struct socket *); void sorecvfrom(struct socket *); int sosendto(struct socket *, struct mbuf *); struct socket * tcp_listen(Slirp *, u_int32_t, u_int, u_int32_t, u_int, int); void soisfconnecting(struct socket *); void soisfconnected(struct socket *); void sofwdrain(struct socket *); struct iovec; /* For win32 */ size_t sopreprbuf(struct socket *so, struct iovec *iov, int *np); int soreadbuf(struct socket *so, const char *buf, int size); #endif /* _SOCKET_H_ */ vde2-2.3.2+r586/src/slirpvde/tcp.h0000644000000000000000000001345513614540472013340 0ustar /* * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)tcp.h 8.1 (Berkeley) 6/10/93 * tcp.h,v 1.3 1994/08/21 05:27:34 paul Exp */ #ifndef _TCP_H_ #define _TCP_H_ typedef u_int32_t tcp_seq; #define PR_SLOWHZ 2 /* 2 slow timeouts per second (approx) */ #define PR_FASTHZ 5 /* 5 fast timeouts per second (not important) */ #define TCP_SNDSPACE 8192 #define TCP_RCVSPACE 8192 /* * TCP header. * Per RFC 793, September, 1981. */ struct tcphdr { u_int16_t th_sport; /* source port */ u_int16_t th_dport; /* destination port */ tcp_seq th_seq; /* sequence number */ tcp_seq th_ack; /* acknowledgement number */ #ifdef HOST_WORDS_BIGENDIAN u_int th_off:4, /* data offset */ th_x2:4; /* (unused) */ #else u_int th_x2:4, /* (unused) */ th_off:4; /* data offset */ #endif u_int8_t th_flags; #define TH_FIN 0x01 #define TH_SYN 0x02 #define TH_RST 0x04 #define TH_PUSH 0x08 #define TH_ACK 0x10 #define TH_URG 0x20 u_int16_t th_win; /* window */ u_int16_t th_sum; /* checksum */ u_int16_t th_urp; /* urgent pointer */ }; #include "tcp_var.h" #define TCPOPT_EOL 0 #define TCPOPT_NOP 1 #define TCPOPT_MAXSEG 2 #define TCPOLEN_MAXSEG 4 #define TCPOPT_WINDOW 3 #define TCPOLEN_WINDOW 3 #define TCPOPT_SACK_PERMITTED 4 /* Experimental */ #define TCPOLEN_SACK_PERMITTED 2 #define TCPOPT_SACK 5 /* Experimental */ #define TCPOPT_TIMESTAMP 8 #define TCPOLEN_TIMESTAMP 10 #define TCPOLEN_TSTAMP_APPA (TCPOLEN_TIMESTAMP+2) /* appendix A */ #define TCPOPT_TSTAMP_HDR \ (TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP) /* * Default maximum segment size for TCP. * With an IP MSS of 576, this is 536, * but 512 is probably more convenient. * This should be defined as MIN(512, IP_MSS - sizeof (struct tcpiphdr)). * * We make this 1460 because we only care about Ethernet in the qemu context. */ #define TCP_MSS 1460 #define TCP_MAXWIN 65535 /* largest value for (unscaled) window */ #define TCP_MAX_WINSHIFT 14 /* maximum window shift */ /* * User-settable options (used with setsockopt). * * We don't use the system headers on unix because we have conflicting * local structures. We can't avoid the system definitions on Windows, * so we undefine them. */ #undef TCP_NODELAY #define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */ #undef TCP_MAXSEG /* * TCP FSM state definitions. * Per RFC793, September, 1981. */ #define TCP_NSTATES 11 #define TCPS_CLOSED 0 /* closed */ #define TCPS_LISTEN 1 /* listening for connection */ #define TCPS_SYN_SENT 2 /* active, have sent syn */ #define TCPS_SYN_RECEIVED 3 /* have send and received syn */ /* states < TCPS_ESTABLISHED are those where connections not established */ #define TCPS_ESTABLISHED 4 /* established */ #define TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */ /* states > TCPS_CLOSE_WAIT are those where user has closed */ #define TCPS_FIN_WAIT_1 6 /* have closed, sent fin */ #define TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */ #define TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */ /* states > TCPS_CLOSE_WAIT && < TCPS_FIN_WAIT_2 await ACK of FIN */ #define TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */ #define TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */ #define TCPS_HAVERCVDSYN(s) ((s) >= TCPS_SYN_RECEIVED) #define TCPS_HAVEESTABLISHED(s) ((s) >= TCPS_ESTABLISHED) #define TCPS_HAVERCVDFIN(s) ((s) >= TCPS_TIME_WAIT) /* * TCP sequence numbers are 32 bit integers operated * on with modular arithmetic. These macros can be * used to compare such integers. */ #define SEQ_LT(a,b) ((int)((a)-(b)) < 0) #define SEQ_LEQ(a,b) ((int)((a)-(b)) <= 0) #define SEQ_GT(a,b) ((int)((a)-(b)) > 0) #define SEQ_GEQ(a,b) ((int)((a)-(b)) >= 0) /* * Macros to initialize tcp sequence numbers for * send and receive from initial send and receive * sequence numbers. */ #define tcp_rcvseqinit(tp) \ (tp)->rcv_adv = (tp)->rcv_nxt = (tp)->irs + 1 #define tcp_sendseqinit(tp) \ (tp)->snd_una = (tp)->snd_nxt = (tp)->snd_max = (tp)->snd_up = (tp)->iss #define TCP_ISSINCR (125*1024) /* increment for tcp_iss each second */ #endif vde2-2.3.2+r586/src/slirpvde/tcp2unix.c0000644000000000000000000000115013614540472014306 0ustar /* Copyright 2007 Renzo Davoli * Licensed under the GPLv2 */ #include #include struct tcp2unix { int port; char *path; struct tcp2unix *next; }; static struct tcp2unix *head; int tcp2unix_check; void tcp2unix_add(int port,char *path) { struct tcp2unix *new=malloc(sizeof (struct tcp2unix)); if (new) { new->next=head; new->port=port; new->path=strdup(path); head=new; tcp2unix_check=1; } } char *tcp2unix_search(int port) { if (head) { struct tcp2unix *t2u; for (t2u=head;t2u;t2u=t2u->next) { if (port==t2u->port) return t2u->path; } } return NULL; } vde2-2.3.2+r586/src/slirpvde/tcp2unix.h0000644000000000000000000000041713614540472014320 0ustar /* Copyright 2007 Renzo Davoli * Licensed under the GPLv2 */ #ifndef _TCP2UNIX_H #define _TCP2UNIX_H #ifndef UNIX_PATH_MAX #define UNIX_PATH_MAX 108 #endif extern int tcp2unix_check; void tcp2unix_add(int port,char *path); char *tcp2unix_search(int port); #endif vde2-2.3.2+r586/src/slirpvde/tcp_input.c0000644000000000000000000012171013614540472014544 0ustar /* * Copyright (c) 1982, 1986, 1988, 1990, 1993, 1994 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)tcp_input.c 8.5 (Berkeley) 4/10/94 * tcp_input.c,v 1.10 1994/10/13 18:36:32 wollman Exp */ /* * Changes and additions relating to SLiRP * Copyright (c) 1995 Danny Gasparovski. * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ #include #include "ip_icmp.h" #define TCPREXMTTHRESH 3 #define TCP_PAWS_IDLE (24 * 24 * 60 * 60 * PR_SLOWHZ) /* for modulo comparisons of timestamps */ #define TSTMP_LT(a,b) ((int)((a)-(b)) < 0) #define TSTMP_GEQ(a,b) ((int)((a)-(b)) >= 0) /* * Insert segment ti into reassembly queue of tcp with * control block tp. Return TH_FIN if reassembly now includes * a segment with FIN. The macro form does the common case inline * (segment is the next to be received on an established connection, * and the queue is empty), avoiding linkage into and removal * from the queue and repetition of various conversions. * Set DELACK for segments received in order, but ack immediately * when segments are out of order (so fast retransmit can work). */ #ifdef TCP_ACK_HACK #define TCP_REASS(tp, ti, m, so, flags) {\ if ((ti)->ti_seq == (tp)->rcv_nxt && \ tcpfrag_list_empty(tp) && \ (tp)->t_state == TCPS_ESTABLISHED) {\ if (ti->ti_flags & TH_PUSH) \ tp->t_flags |= TF_ACKNOW; \ else \ tp->t_flags |= TF_DELACK; \ (tp)->rcv_nxt += (ti)->ti_len; \ flags = (ti)->ti_flags & TH_FIN; \ if (so->so_emu) { \ if (tcp_emu((so),(m))) sbappend((so), (m)); \ } else \ sbappend((so), (m)); \ } else {\ (flags) = tcp_reass((tp), (ti), (m)); \ tp->t_flags |= TF_ACKNOW; \ } \ } #else #define TCP_REASS(tp, ti, m, so, flags) { \ if ((ti)->ti_seq == (tp)->rcv_nxt && \ tcpfrag_list_empty(tp) && \ (tp)->t_state == TCPS_ESTABLISHED) { \ tp->t_flags |= TF_DELACK; \ (tp)->rcv_nxt += (ti)->ti_len; \ flags = (ti)->ti_flags & TH_FIN; \ if (so->so_emu) { \ if (tcp_emu((so),(m))) sbappend(so, (m)); \ } else \ sbappend((so), (m)); \ } else { \ (flags) = tcp_reass((tp), (ti), (m)); \ tp->t_flags |= TF_ACKNOW; \ } \ } #endif static void tcp_dooptions(struct tcpcb *tp, u_char *cp, int cnt, struct tcpiphdr *ti); static void tcp_xmit_timer(struct tcpcb *tp, int rtt); static int tcp_reass(struct tcpcb *tp, struct tcpiphdr *ti, struct mbuf *m) { struct tcpiphdr *q; struct socket *so = tp->t_socket; int flags; /* * Call with ti==NULL after become established to * force pre-ESTABLISHED data up to user socket. */ if (ti == NULL) goto present; /* * Find a segment which begins after this one does. */ for (q = tcpfrag_list_first(tp); !tcpfrag_list_end(q, tp); q = tcpiphdr_next(q)) if (SEQ_GT(q->ti_seq, ti->ti_seq)) break; /* * If there is a preceding segment, it may provide some of * our data already. If so, drop the data from the incoming * segment. If it provides all of our data, drop us. */ if (!tcpfrag_list_end(tcpiphdr_prev(q), tp)) { int i; q = tcpiphdr_prev(q); /* conversion to int (in i) handles seq wraparound */ i = q->ti_seq + q->ti_len - ti->ti_seq; if (i > 0) { if (i >= ti->ti_len) { m_freem(m); /* * Try to present any queued data * at the left window edge to the user. * This is needed after the 3-WHS * completes. */ goto present; /* ??? */ } m_adj(m, i); ti->ti_len -= i; ti->ti_seq += i; } q = tcpiphdr_next(q); } ti->ti_mbuf = m; /* * While we overlap succeeding segments trim them or, * if they are completely covered, dequeue them. */ while (!tcpfrag_list_end(q, tp)) { int i = (ti->ti_seq + ti->ti_len) - q->ti_seq; if (i <= 0) break; if (i < q->ti_len) { q->ti_seq += i; q->ti_len -= i; m_adj(q->ti_mbuf, i); break; } q = tcpiphdr_next(q); m = tcpiphdr_prev(q)->ti_mbuf; remque(tcpiphdr2qlink(tcpiphdr_prev(q))); m_freem(m); } /* * Stick new segment in its place. */ insque(tcpiphdr2qlink(ti), tcpiphdr2qlink(tcpiphdr_prev(q))); present: /* * Present data to user, advancing rcv_nxt through * completed sequence space. */ if (!TCPS_HAVEESTABLISHED(tp->t_state)) return (0); ti = tcpfrag_list_first(tp); if (tcpfrag_list_end(ti, tp) || ti->ti_seq != tp->rcv_nxt) return (0); if (tp->t_state == TCPS_SYN_RECEIVED && ti->ti_len) return (0); do { tp->rcv_nxt += ti->ti_len; flags = ti->ti_flags & TH_FIN; remque(tcpiphdr2qlink(ti)); m = ti->ti_mbuf; ti = tcpiphdr_next(ti); if (so->so_state & SS_FCANTSENDMORE) m_freem(m); else { if (so->so_emu) { if (tcp_emu(so,m)) sbappend(so, m); } else sbappend(so, m); } } while (ti != (struct tcpiphdr *)tp && ti->ti_seq == tp->rcv_nxt); return (flags); } /* * TCP input routine, follows pages 65-76 of the * protocol specification dated September, 1981 very closely. */ void tcp_input(struct mbuf *m, int iphlen, struct socket *inso) { struct ip save_ip, *ip; struct tcpiphdr *ti; caddr_t optp = NULL; int optlen = 0; int len, tlen, off; struct tcpcb *tp = NULL; int tiflags; struct socket *so = NULL; int todrop, acked, ourfinisacked, needoutput = 0; int iss = 0; u_long tiwin; int ret; struct ex_list *ex_ptr; Slirp *slirp; DEBUG_CALL("tcp_input"); DEBUG_ARGS((dfd," m = %8lx iphlen = %2d inso = %lx\n", (long )m, iphlen, (long )inso )); /* * If called with m == 0, then we're continuing the connect */ if (m == NULL) { so = inso; slirp = so->slirp; /* Re-set a few variables */ tp = sototcpcb(so); m = so->so_m; so->so_m = NULL; ti = so->so_ti; tiwin = ti->ti_win; tiflags = ti->ti_flags; goto cont_conn; } slirp = m->slirp; /* * Get IP and TCP header together in first mbuf. * Note: IP leaves IP header in first mbuf. */ ti = mtod(m, struct tcpiphdr *); if (iphlen > sizeof(struct ip )) { ip_stripoptions(m, (struct mbuf *)0); iphlen=sizeof(struct ip ); } /* XXX Check if too short */ /* * Save a copy of the IP header in case we want restore it * for sending an ICMP error message in response. */ ip=mtod(m, struct ip *); save_ip = *ip; save_ip.ip_len+= iphlen; /* * Checksum extended TCP header and data. */ tlen = ((struct ip *)ti)->ip_len; tcpiphdr2qlink(ti)->next = tcpiphdr2qlink(ti)->prev = NULL; memset(&ti->ti_i.ih_mbuf, 0 , sizeof(struct mbuf_ptr)); ti->ti_x1 = 0; ti->ti_len = htons((u_int16_t)tlen); len = sizeof(struct ip ) + tlen; if(cksum(m, len)) { goto drop; } /* * Check that TCP offset makes sense, * pull out TCP options and adjust length. XXX */ off = ti->ti_off << 2; if (off < sizeof (struct tcphdr) || off > tlen) { goto drop; } tlen -= off; ti->ti_len = tlen; if (off > sizeof (struct tcphdr)) { optlen = off - sizeof (struct tcphdr); optp = mtod(m, caddr_t) + sizeof (struct tcpiphdr); } tiflags = ti->ti_flags; /* * Convert TCP protocol specific fields to host format. */ NTOHL(ti->ti_seq); NTOHL(ti->ti_ack); NTOHS(ti->ti_win); NTOHS(ti->ti_urp); /* * Drop TCP, IP headers and TCP options. */ m->m_data += sizeof(struct tcpiphdr)+off-sizeof(struct tcphdr); m->m_len -= sizeof(struct tcpiphdr)+off-sizeof(struct tcphdr); if (slirp->restricted) { for (ex_ptr = slirp->exec_list; ex_ptr; ex_ptr = ex_ptr->ex_next) { if (ex_ptr->ex_fport == ti->ti_dport && ti->ti_dst.s_addr == ex_ptr->ex_addr.s_addr) { break; } } if (!ex_ptr) goto drop; } /* * Locate pcb for segment. */ findso: so = slirp->tcp_last_so; if (so->so_fport != ti->ti_dport || so->so_lport != ti->ti_sport || so->so_laddr.s_addr != ti->ti_src.s_addr || so->so_faddr.s_addr != ti->ti_dst.s_addr) { so = solookup(&slirp->tcb, ti->ti_src, ti->ti_sport, ti->ti_dst, ti->ti_dport); if (so) slirp->tcp_last_so = so; } /* * If the state is CLOSED (i.e., TCB does not exist) then * all data in the incoming segment is discarded. * If the TCB exists but is in CLOSED state, it is embryonic, * but should either do a listen or a connect soon. * * state == CLOSED means we've done socreate() but haven't * attached it to a protocol yet... * * XXX If a TCB does not exist, and the TH_SYN flag is * the only flag set, then create a session, mark it * as if it was LISTENING, and continue... */ if (so == NULL) { if ((tiflags & (TH_SYN|TH_FIN|TH_RST|TH_URG|TH_ACK)) != TH_SYN) goto dropwithreset; if ((so = socreate(slirp)) == NULL) goto dropwithreset; if (tcp_attach(so) < 0) { free(so); /* Not sofree (if it failed, it's not insqued) */ goto dropwithreset; } sbreserve(&so->so_snd, TCP_SNDSPACE); sbreserve(&so->so_rcv, TCP_RCVSPACE); so->so_laddr = ti->ti_src; so->so_lport = ti->ti_sport; so->so_faddr = ti->ti_dst; so->so_fport = ti->ti_dport; if ((so->so_iptos = tcp_tos(so)) == 0) so->so_iptos = ((struct ip *)ti)->ip_tos; tp = sototcpcb(so); tp->t_state = TCPS_LISTEN; } /* * If this is a still-connecting socket, this probably * a retransmit of the SYN. Whether it's a retransmit SYN * or something else, we nuke it. */ if (so->so_state & SS_ISFCONNECTING) goto drop; tp = sototcpcb(so); /* XXX Should never fail */ if (tp == NULL) goto dropwithreset; if (tp->t_state == TCPS_CLOSED) goto drop; tiwin = ti->ti_win; /* * Segment received on connection. * Reset idle time and keep-alive timer. */ tp->t_idle = 0; if (SO_OPTIONS) tp->t_timer[TCPT_KEEP] = TCPTV_KEEPINTVL; else tp->t_timer[TCPT_KEEP] = TCPTV_KEEP_IDLE; /* * Process options if not in LISTEN state, * else do it below (after getting remote address). */ if (optp && tp->t_state != TCPS_LISTEN) tcp_dooptions(tp, (u_char *)optp, optlen, ti); /* * Header prediction: check for the two common cases * of a uni-directional data xfer. If the packet has * no control flags, is in-sequence, the window didn't * change and we're not retransmitting, it's a * candidate. If the length is zero and the ack moved * forward, we're the sender side of the xfer. Just * free the data acked & wake any higher level process * that was blocked waiting for space. If the length * is non-zero and the ack didn't move, we're the * receiver side. If we're getting packets in-order * (the reassembly queue is empty), add the data to * the socket buffer and note that we need a delayed ack. * * XXX Some of these tests are not needed * eg: the tiwin == tp->snd_wnd prevents many more * predictions.. with no *real* advantage.. */ if (tp->t_state == TCPS_ESTABLISHED && (tiflags & (TH_SYN|TH_FIN|TH_RST|TH_URG|TH_ACK)) == TH_ACK && ti->ti_seq == tp->rcv_nxt && tiwin && tiwin == tp->snd_wnd && tp->snd_nxt == tp->snd_max) { if (ti->ti_len == 0) { if (SEQ_GT(ti->ti_ack, tp->snd_una) && SEQ_LEQ(ti->ti_ack, tp->snd_max) && tp->snd_cwnd >= tp->snd_wnd) { /* * this is a pure ack for outstanding data. */ if (tp->t_rtt && SEQ_GT(ti->ti_ack, tp->t_rtseq)) tcp_xmit_timer(tp, tp->t_rtt); acked = ti->ti_ack - tp->snd_una; sbdrop(&so->so_snd, acked); tp->snd_una = ti->ti_ack; m_freem(m); /* * If all outstanding data are acked, stop * retransmit timer, otherwise restart timer * using current (possibly backed-off) value. * If process is waiting for space, * wakeup/selwakeup/signal. If data * are ready to send, let tcp_output * decide between more output or persist. */ if (tp->snd_una == tp->snd_max) tp->t_timer[TCPT_REXMT] = 0; else if (tp->t_timer[TCPT_PERSIST] == 0) tp->t_timer[TCPT_REXMT] = tp->t_rxtcur; /* * This is called because sowwakeup might have * put data into so_snd. Since we don't so sowwakeup, * we don't need this.. XXX??? */ if (so->so_snd.sb_cc) (void) tcp_output(tp); return; } } else if (ti->ti_ack == tp->snd_una && tcpfrag_list_empty(tp) && ti->ti_len <= sbspace(&so->so_rcv)) { /* * this is a pure, in-sequence data packet * with nothing on the reassembly queue and * we have enough buffer space to take it. */ tp->rcv_nxt += ti->ti_len; /* * Add data to socket buffer. */ if (so->so_emu) { if (tcp_emu(so,m)) sbappend(so, m); } else sbappend(so, m); /* * If this is a short packet, then ACK now - with Nagel * congestion avoidance sender won't send more until * he gets an ACK. * * It is better to not delay acks at all to maximize * TCP throughput. See RFC 2581. */ tp->t_flags |= TF_ACKNOW; tcp_output(tp); return; } } /* header prediction */ /* * Calculate amount of space in receive window, * and then do TCP input processing. * Receive window is amount of space in rcv queue, * but not less than advertised window. */ { int win; win = sbspace(&so->so_rcv); if (win < 0) win = 0; tp->rcv_wnd = max(win, (int)(tp->rcv_adv - tp->rcv_nxt)); } switch (tp->t_state) { /* * If the state is LISTEN then ignore segment if it contains an RST. * If the segment contains an ACK then it is bad and send a RST. * If it does not contain a SYN then it is not interesting; drop it. * Don't bother responding if the destination was a broadcast. * Otherwise initialize tp->rcv_nxt, and tp->irs, select an initial * tp->iss, and send a segment: * * Also initialize tp->snd_nxt to tp->iss+1 and tp->snd_una to tp->iss. * Fill in remote peer address fields if not previously specified. * Enter SYN_RECEIVED state, and process any other fields of this * segment in this state. */ case TCPS_LISTEN: { if (tiflags & TH_RST) goto drop; if (tiflags & TH_ACK) goto dropwithreset; if ((tiflags & TH_SYN) == 0) goto drop; /* * This has way too many gotos... * But a bit of spaghetti code never hurt anybody :) */ /* * If this is destined for the control address, then flag to * tcp_ctl once connected, otherwise connect */ if ((so->so_faddr.s_addr & slirp->vnetwork_mask.s_addr) == slirp->vnetwork_addr.s_addr) { if (so->so_faddr.s_addr != slirp->vhost_addr.s_addr && so->so_faddr.s_addr != slirp->vnameserver_addr.s_addr) { /* May be an add exec */ for (ex_ptr = slirp->exec_list; ex_ptr; ex_ptr = ex_ptr->ex_next) { if(ex_ptr->ex_fport == so->so_fport && so->so_faddr.s_addr == ex_ptr->ex_addr.s_addr) { so->so_state |= SS_CTL; break; } } if (so->so_state & SS_CTL) { goto cont_input; } } /* CTL_ALIAS: Do nothing, tcp_fconnect will be called on it */ } if (so->so_emu & EMU_NOCONNECT) { so->so_emu &= ~EMU_NOCONNECT; goto cont_input; } if((tcp_fconnect(so) == -1) && (errno != EINPROGRESS) && (errno != EWOULDBLOCK)) { u_char code=ICMP_UNREACH_NET; DEBUG_MISC((dfd," tcp fconnect errno = %d-%s\n", errno,strerror(errno))); if(errno == ECONNREFUSED) { /* ACK the SYN, send RST to refuse the connection */ tcp_respond(tp, ti, m, ti->ti_seq+1, (tcp_seq)0, TH_RST|TH_ACK); } else { if(errno == EHOSTUNREACH) code=ICMP_UNREACH_HOST; HTONL(ti->ti_seq); /* restore tcp header */ HTONL(ti->ti_ack); HTONS(ti->ti_win); HTONS(ti->ti_urp); m->m_data -= sizeof(struct tcpiphdr)+off-sizeof(struct tcphdr); m->m_len += sizeof(struct tcpiphdr)+off-sizeof(struct tcphdr); *ip=save_ip; icmp_error(m, ICMP_UNREACH,code, 0,strerror(errno)); } tp = tcp_close(tp); m_free(m); } else { /* * Haven't connected yet, save the current mbuf * and ti, and return * XXX Some OS's don't tell us whether the connect() * succeeded or not. So we must time it out. */ so->so_m = m; so->so_ti = ti; tp->t_timer[TCPT_KEEP] = TCPTV_KEEP_INIT; tp->t_state = TCPS_SYN_RECEIVED; } return; cont_conn: /* m==NULL * Check if the connect succeeded */ if (so->so_state & SS_NOFDREF) { tp = tcp_close(tp); goto dropwithreset; } cont_input: tcp_template(tp); if (optp) tcp_dooptions(tp, (u_char *)optp, optlen, ti); if (iss) tp->iss = iss; else tp->iss = slirp->tcp_iss; slirp->tcp_iss += TCP_ISSINCR/2; tp->irs = ti->ti_seq; tcp_sendseqinit(tp); tcp_rcvseqinit(tp); tp->t_flags |= TF_ACKNOW; tp->t_state = TCPS_SYN_RECEIVED; tp->t_timer[TCPT_KEEP] = TCPTV_KEEP_INIT; goto trimthenstep6; } /* case TCPS_LISTEN */ /* * If the state is SYN_SENT: * if seg contains an ACK, but not for our SYN, drop the input. * if seg contains a RST, then drop the connection. * if seg does not contain SYN, then drop it. * Otherwise this is an acceptable SYN segment * initialize tp->rcv_nxt and tp->irs * if seg contains ack then advance tp->snd_una * if SYN has been acked change to ESTABLISHED else SYN_RCVD state * arrange for segment to be acked (eventually) * continue processing rest of data/controls, beginning with URG */ case TCPS_SYN_SENT: if ((tiflags & TH_ACK) && (SEQ_LEQ(ti->ti_ack, tp->iss) || SEQ_GT(ti->ti_ack, tp->snd_max))) goto dropwithreset; if (tiflags & TH_RST) { if (tiflags & TH_ACK) tp = tcp_drop(tp,0); /* XXX Check t_softerror! */ goto drop; } if ((tiflags & TH_SYN) == 0) goto drop; if (tiflags & TH_ACK) { tp->snd_una = ti->ti_ack; if (SEQ_LT(tp->snd_nxt, tp->snd_una)) tp->snd_nxt = tp->snd_una; } tp->t_timer[TCPT_REXMT] = 0; tp->irs = ti->ti_seq; tcp_rcvseqinit(tp); tp->t_flags |= TF_ACKNOW; if (tiflags & TH_ACK && SEQ_GT(tp->snd_una, tp->iss)) { soisfconnected(so); tp->t_state = TCPS_ESTABLISHED; (void) tcp_reass(tp, (struct tcpiphdr *)0, (struct mbuf *)0); /* * if we didn't have to retransmit the SYN, * use its rtt as our initial srtt & rtt var. */ if (tp->t_rtt) tcp_xmit_timer(tp, tp->t_rtt); } else tp->t_state = TCPS_SYN_RECEIVED; trimthenstep6: /* * Advance ti->ti_seq to correspond to first data byte. * If data, trim to stay within window, * dropping FIN if necessary. */ ti->ti_seq++; if (ti->ti_len > tp->rcv_wnd) { todrop = ti->ti_len - tp->rcv_wnd; m_adj(m, -todrop); ti->ti_len = tp->rcv_wnd; tiflags &= ~TH_FIN; } tp->snd_wl1 = ti->ti_seq - 1; tp->rcv_up = ti->ti_seq; goto step6; } /* switch tp->t_state */ /* * States other than LISTEN or SYN_SENT. * Check that at least some bytes of segment are within * receive window. If segment begins before rcv_nxt, * drop leading data (and SYN); if nothing left, just ack. */ todrop = tp->rcv_nxt - ti->ti_seq; if (todrop > 0) { if (tiflags & TH_SYN) { tiflags &= ~TH_SYN; ti->ti_seq++; if (ti->ti_urp > 1) ti->ti_urp--; else tiflags &= ~TH_URG; todrop--; } /* * Following if statement from Stevens, vol. 2, p. 960. */ if (todrop > ti->ti_len || (todrop == ti->ti_len && (tiflags & TH_FIN) == 0)) { /* * Any valid FIN must be to the left of the window. * At this point the FIN must be a duplicate or out * of sequence; drop it. */ tiflags &= ~TH_FIN; /* * Send an ACK to resynchronize and drop any data. * But keep on processing for RST or ACK. */ tp->t_flags |= TF_ACKNOW; todrop = ti->ti_len; } m_adj(m, todrop); ti->ti_seq += todrop; ti->ti_len -= todrop; if (ti->ti_urp > todrop) ti->ti_urp -= todrop; else { tiflags &= ~TH_URG; ti->ti_urp = 0; } } /* * If new data are received on a connection after the * user processes are gone, then RST the other end. */ if ((so->so_state & SS_NOFDREF) && tp->t_state > TCPS_CLOSE_WAIT && ti->ti_len) { tp = tcp_close(tp); goto dropwithreset; } /* * If segment ends after window, drop trailing data * (and PUSH and FIN); if nothing left, just ACK. */ todrop = (ti->ti_seq+ti->ti_len) - (tp->rcv_nxt+tp->rcv_wnd); if (todrop > 0) { if (todrop >= ti->ti_len) { /* * If a new connection request is received * while in TIME_WAIT, drop the old connection * and start over if the sequence numbers * are above the previous ones. */ if (tiflags & TH_SYN && tp->t_state == TCPS_TIME_WAIT && SEQ_GT(ti->ti_seq, tp->rcv_nxt)) { iss = tp->rcv_nxt + TCP_ISSINCR; tp = tcp_close(tp); goto findso; } /* * If window is closed can only take segments at * window edge, and have to drop data and PUSH from * incoming segments. Continue processing, but * remember to ack. Otherwise, drop segment * and ack. */ if (tp->rcv_wnd == 0 && ti->ti_seq == tp->rcv_nxt) { tp->t_flags |= TF_ACKNOW; } else { goto dropafterack; } } m_adj(m, -todrop); ti->ti_len -= todrop; tiflags &= ~(TH_PUSH|TH_FIN); } /* * If the RST bit is set examine the state: * SYN_RECEIVED STATE: * If passive open, return to LISTEN state. * If active open, inform user that connection was refused. * ESTABLISHED, FIN_WAIT_1, FIN_WAIT2, CLOSE_WAIT STATES: * Inform user that connection was reset, and close tcb. * CLOSING, LAST_ACK, TIME_WAIT STATES * Close the tcb. */ if (tiflags&TH_RST) switch (tp->t_state) { case TCPS_SYN_RECEIVED: case TCPS_ESTABLISHED: case TCPS_FIN_WAIT_1: case TCPS_FIN_WAIT_2: case TCPS_CLOSE_WAIT: tp->t_state = TCPS_CLOSED; tp = tcp_close(tp); goto drop; case TCPS_CLOSING: case TCPS_LAST_ACK: case TCPS_TIME_WAIT: tp = tcp_close(tp); goto drop; } /* * If a SYN is in the window, then this is an * error and we send an RST and drop the connection. */ if (tiflags & TH_SYN) { tp = tcp_drop(tp,0); goto dropwithreset; } /* * If the ACK bit is off we drop the segment and return. */ if ((tiflags & TH_ACK) == 0) goto drop; /* * Ack processing. */ switch (tp->t_state) { /* * In SYN_RECEIVED state if the ack ACKs our SYN then enter * ESTABLISHED state and continue processing, otherwise * send an RST. una<=ack<=max */ case TCPS_SYN_RECEIVED: if (SEQ_GT(tp->snd_una, ti->ti_ack) || SEQ_GT(ti->ti_ack, tp->snd_max)) goto dropwithreset; tp->t_state = TCPS_ESTABLISHED; /* * The sent SYN is ack'ed with our sequence number +1 * The first data byte already in the buffer will get * lost if no correction is made. This is only needed for * SS_CTL since the buffer is empty otherwise. * tp->snd_una++; or: */ tp->snd_una=ti->ti_ack; if (so->so_state & SS_CTL) { /* So tcp_ctl reports the right state */ ret = tcp_ctl(so); if (ret == 1) { soisfconnected(so); so->so_state &= ~SS_CTL; /* success XXX */ } else if (ret == 2) { so->so_state &= SS_PERSISTENT_MASK; so->so_state |= SS_NOFDREF; /* CTL_CMD */ } else { needoutput = 1; tp->t_state = TCPS_FIN_WAIT_1; } } else { soisfconnected(so); } (void) tcp_reass(tp, (struct tcpiphdr *)0, (struct mbuf *)0); tp->snd_wl1 = ti->ti_seq - 1; /* Avoid ack processing; snd_una==ti_ack => dup ack */ goto synrx_to_est; /* fall into ... */ /* * In ESTABLISHED state: drop duplicate ACKs; ACK out of range * ACKs. If the ack is in the range * tp->snd_una < ti->ti_ack <= tp->snd_max * then advance tp->snd_una to ti->ti_ack and drop * data from the retransmission queue. If this ACK reflects * more up to date window information we update our window information. */ case TCPS_ESTABLISHED: case TCPS_FIN_WAIT_1: case TCPS_FIN_WAIT_2: case TCPS_CLOSE_WAIT: case TCPS_CLOSING: case TCPS_LAST_ACK: case TCPS_TIME_WAIT: if (SEQ_LEQ(ti->ti_ack, tp->snd_una)) { if (ti->ti_len == 0 && tiwin == tp->snd_wnd) { DEBUG_MISC((dfd," dup ack m = %lx so = %lx \n", (long )m, (long )so)); /* * If we have outstanding data (other than * a window probe), this is a completely * duplicate ack (ie, window info didn't * change), the ack is the biggest we've * seen and we've seen exactly our rexmt * threshold of them, assume a packet * has been dropped and retransmit it. * Kludge snd_nxt & the congestion * window so we send only this one * packet. * * We know we're losing at the current * window size so do congestion avoidance * (set ssthresh to half the current window * and pull our congestion window back to * the new ssthresh). * * Dup acks mean that packets have left the * network (they're now cached at the receiver) * so bump cwnd by the amount in the receiver * to keep a constant cwnd packets in the * network. */ if (tp->t_timer[TCPT_REXMT] == 0 || ti->ti_ack != tp->snd_una) tp->t_dupacks = 0; else if (++tp->t_dupacks == TCPREXMTTHRESH) { tcp_seq onxt = tp->snd_nxt; u_int win = min(tp->snd_wnd, tp->snd_cwnd) / 2 / tp->t_maxseg; if (win < 2) win = 2; tp->snd_ssthresh = win * tp->t_maxseg; tp->t_timer[TCPT_REXMT] = 0; tp->t_rtt = 0; tp->snd_nxt = ti->ti_ack; tp->snd_cwnd = tp->t_maxseg; (void) tcp_output(tp); tp->snd_cwnd = tp->snd_ssthresh + tp->t_maxseg * tp->t_dupacks; if (SEQ_GT(onxt, tp->snd_nxt)) tp->snd_nxt = onxt; goto drop; } else if (tp->t_dupacks > TCPREXMTTHRESH) { tp->snd_cwnd += tp->t_maxseg; (void) tcp_output(tp); goto drop; } } else tp->t_dupacks = 0; break; } synrx_to_est: /* * If the congestion window was inflated to account * for the other side's cached packets, retract it. */ if (tp->t_dupacks > TCPREXMTTHRESH && tp->snd_cwnd > tp->snd_ssthresh) tp->snd_cwnd = tp->snd_ssthresh; tp->t_dupacks = 0; if (SEQ_GT(ti->ti_ack, tp->snd_max)) { goto dropafterack; } acked = ti->ti_ack - tp->snd_una; /* * If transmit timer is running and timed sequence * number was acked, update smoothed round trip time. * Since we now have an rtt measurement, cancel the * timer backoff (cf., Phil Karn's retransmit alg.). * Recompute the initial retransmit timer. */ if (tp->t_rtt && SEQ_GT(ti->ti_ack, tp->t_rtseq)) tcp_xmit_timer(tp,tp->t_rtt); /* * If all outstanding data is acked, stop retransmit * timer and remember to restart (more output or persist). * If there is more data to be acked, restart retransmit * timer, using current (possibly backed-off) value. */ if (ti->ti_ack == tp->snd_max) { tp->t_timer[TCPT_REXMT] = 0; needoutput = 1; } else if (tp->t_timer[TCPT_PERSIST] == 0) tp->t_timer[TCPT_REXMT] = tp->t_rxtcur; /* * When new data is acked, open the congestion window. * If the window gives us less than ssthresh packets * in flight, open exponentially (maxseg per packet). * Otherwise open linearly: maxseg per window * (maxseg^2 / cwnd per packet). */ { register u_int cw = tp->snd_cwnd; register u_int incr = tp->t_maxseg; if (cw > tp->snd_ssthresh) incr = incr * incr / cw; tp->snd_cwnd = min(cw + incr, TCP_MAXWIN<snd_scale); } if (acked > so->so_snd.sb_cc) { tp->snd_wnd -= so->so_snd.sb_cc; sbdrop(&so->so_snd, (int )so->so_snd.sb_cc); ourfinisacked = 1; } else { sbdrop(&so->so_snd, acked); tp->snd_wnd -= acked; ourfinisacked = 0; } tp->snd_una = ti->ti_ack; if (SEQ_LT(tp->snd_nxt, tp->snd_una)) tp->snd_nxt = tp->snd_una; switch (tp->t_state) { /* * In FIN_WAIT_1 STATE in addition to the processing * for the ESTABLISHED state if our FIN is now acknowledged * then enter FIN_WAIT_2. */ case TCPS_FIN_WAIT_1: if (ourfinisacked) { /* * If we can't receive any more * data, then closing user can proceed. * Starting the timer is contrary to the * specification, but if we don't get a FIN * we'll hang forever. */ if (so->so_state & SS_FCANTRCVMORE) { tp->t_timer[TCPT_2MSL] = TCP_MAXIDLE; } tp->t_state = TCPS_FIN_WAIT_2; } break; /* * In CLOSING STATE in addition to the processing for * the ESTABLISHED state if the ACK acknowledges our FIN * then enter the TIME-WAIT state, otherwise ignore * the segment. */ case TCPS_CLOSING: if (ourfinisacked) { tp->t_state = TCPS_TIME_WAIT; tcp_canceltimers(tp); tp->t_timer[TCPT_2MSL] = 2 * TCPTV_MSL; } break; /* * In LAST_ACK, we may still be waiting for data to drain * and/or to be acked, as well as for the ack of our FIN. * If our FIN is now acknowledged, delete the TCB, * enter the closed state and return. */ case TCPS_LAST_ACK: if (ourfinisacked) { tp = tcp_close(tp); goto drop; } break; /* * In TIME_WAIT state the only thing that should arrive * is a retransmission of the remote FIN. Acknowledge * it and restart the finack timer. */ case TCPS_TIME_WAIT: tp->t_timer[TCPT_2MSL] = 2 * TCPTV_MSL; goto dropafterack; } } /* switch(tp->t_state) */ step6: /* * Update window information. * Don't look at window if no ACK: TAC's send garbage on first SYN. */ if ((tiflags & TH_ACK) && (SEQ_LT(tp->snd_wl1, ti->ti_seq) || (tp->snd_wl1 == ti->ti_seq && (SEQ_LT(tp->snd_wl2, ti->ti_ack) || (tp->snd_wl2 == ti->ti_ack && tiwin > tp->snd_wnd))))) { tp->snd_wnd = tiwin; tp->snd_wl1 = ti->ti_seq; tp->snd_wl2 = ti->ti_ack; if (tp->snd_wnd > tp->max_sndwnd) tp->max_sndwnd = tp->snd_wnd; needoutput = 1; } /* * Process segments with URG. */ if ((tiflags & TH_URG) && ti->ti_urp && TCPS_HAVERCVDFIN(tp->t_state) == 0) { /* * This is a kludge, but if we receive and accept * random urgent pointers, we'll crash in * soreceive. It's hard to imagine someone * actually wanting to send this much urgent data. */ if (ti->ti_urp + so->so_rcv.sb_cc > so->so_rcv.sb_datalen) { ti->ti_urp = 0; tiflags &= ~TH_URG; goto dodata; } /* * If this segment advances the known urgent pointer, * then mark the data stream. This should not happen * in CLOSE_WAIT, CLOSING, LAST_ACK or TIME_WAIT STATES since * a FIN has been received from the remote side. * In these states we ignore the URG. * * According to RFC961 (Assigned Protocols), * the urgent pointer points to the last octet * of urgent data. We continue, however, * to consider it to indicate the first octet * of data past the urgent section as the original * spec states (in one of two places). */ if (SEQ_GT(ti->ti_seq+ti->ti_urp, tp->rcv_up)) { tp->rcv_up = ti->ti_seq + ti->ti_urp; so->so_urgc = so->so_rcv.sb_cc + (tp->rcv_up - tp->rcv_nxt); /* -1; */ tp->rcv_up = ti->ti_seq + ti->ti_urp; } } else /* * If no out of band data is expected, * pull receive urgent pointer along * with the receive window. */ if (SEQ_GT(tp->rcv_nxt, tp->rcv_up)) tp->rcv_up = tp->rcv_nxt; dodata: /* * Process the segment text, merging it into the TCP sequencing queue, * and arranging for acknowledgment of receipt if necessary. * This process logically involves adjusting tp->rcv_wnd as data * is presented to the user (this happens in tcp_usrreq.c, * case PRU_RCVD). If a FIN has already been received on this * connection then we just ignore the text. */ if ((ti->ti_len || (tiflags&TH_FIN)) && TCPS_HAVERCVDFIN(tp->t_state) == 0) { TCP_REASS(tp, ti, m, so, tiflags); /* * Note the amount of data that peer has sent into * our window, in order to estimate the sender's * buffer size. */ len = so->so_rcv.sb_datalen - (tp->rcv_adv - tp->rcv_nxt); } else { m_free(m); tiflags &= ~TH_FIN; } /* * If FIN is received ACK the FIN and let the user know * that the connection is closing. */ if (tiflags & TH_FIN) { if (TCPS_HAVERCVDFIN(tp->t_state) == 0) { /* * If we receive a FIN we can't send more data, * set it SS_FDRAIN * Shutdown the socket if there is no rx data in the * buffer. * soread() is called on completion of shutdown() and * will got to TCPS_LAST_ACK, and use tcp_output() * to send the FIN. */ sofwdrain(so); tp->t_flags |= TF_ACKNOW; tp->rcv_nxt++; } switch (tp->t_state) { /* * In SYN_RECEIVED and ESTABLISHED STATES * enter the CLOSE_WAIT state. */ case TCPS_SYN_RECEIVED: case TCPS_ESTABLISHED: if(so->so_emu == EMU_CTL) /* no shutdown on socket */ tp->t_state = TCPS_LAST_ACK; else tp->t_state = TCPS_CLOSE_WAIT; break; /* * If still in FIN_WAIT_1 STATE FIN has not been acked so * enter the CLOSING state. */ case TCPS_FIN_WAIT_1: tp->t_state = TCPS_CLOSING; break; /* * In FIN_WAIT_2 state enter the TIME_WAIT state, * starting the time-wait timer, turning off the other * standard timers. */ case TCPS_FIN_WAIT_2: tp->t_state = TCPS_TIME_WAIT; tcp_canceltimers(tp); tp->t_timer[TCPT_2MSL] = 2 * TCPTV_MSL; break; /* * In TIME_WAIT state restart the 2 MSL time_wait timer. */ case TCPS_TIME_WAIT: tp->t_timer[TCPT_2MSL] = 2 * TCPTV_MSL; break; } } /* * If this is a small packet, then ACK now - with Nagel * congestion avoidance sender won't send more until * he gets an ACK. * * See above. */ if (ti->ti_len && (unsigned)ti->ti_len <= 5 && ((struct tcpiphdr_2 *)ti)->first_char == (char)27) { tp->t_flags |= TF_ACKNOW; } /* * Return any desired output. */ if (needoutput || (tp->t_flags & TF_ACKNOW)) { (void) tcp_output(tp); } return; dropafterack: /* * Generate an ACK dropping incoming segment if it occupies * sequence space, where the ACK reflects our state. */ if (tiflags & TH_RST) goto drop; m_freem(m); tp->t_flags |= TF_ACKNOW; (void) tcp_output(tp); return; dropwithreset: /* reuses m if m!=NULL, m_free() unnecessary */ if (tiflags & TH_ACK) tcp_respond(tp, ti, m, (tcp_seq)0, ti->ti_ack, TH_RST); else { if (tiflags & TH_SYN) ti->ti_len++; tcp_respond(tp, ti, m, ti->ti_seq+ti->ti_len, (tcp_seq)0, TH_RST|TH_ACK); } return; drop: /* * Drop space held by incoming segment and return. */ m_free(m); return; } static void tcp_dooptions(struct tcpcb *tp, u_char *cp, int cnt, struct tcpiphdr *ti) { u_int16_t mss; int opt, optlen; DEBUG_CALL("tcp_dooptions"); DEBUG_ARGS((dfd," tp = %lx cnt=%i \n", (long )tp, cnt)); for (; cnt > 0; cnt -= optlen, cp += optlen) { opt = cp[0]; if (opt == TCPOPT_EOL) break; if (opt == TCPOPT_NOP) optlen = 1; else { optlen = cp[1]; if (optlen <= 0) break; } switch (opt) { default: continue; case TCPOPT_MAXSEG: if (optlen != TCPOLEN_MAXSEG) continue; if (!(ti->ti_flags & TH_SYN)) continue; memcpy((char *) &mss, (char *) cp + 2, sizeof(mss)); NTOHS(mss); (void) tcp_mss(tp, mss); /* sets t_maxseg */ break; } } } /* * Pull out of band byte out of a segment so * it doesn't appear in the user's data queue. * It is still reflected in the segment length for * sequencing purposes. */ #ifdef notdef void tcp_pulloutofband(so, ti, m) struct socket *so; struct tcpiphdr *ti; struct mbuf *m; { int cnt = ti->ti_urp - 1; while (cnt >= 0) { if (m->m_len > cnt) { char *cp = mtod(m, caddr_t) + cnt; struct tcpcb *tp = sototcpcb(so); tp->t_iobc = *cp; tp->t_oobflags |= TCPOOB_HAVEDATA; memcpy(sp, cp+1, (unsigned)(m->m_len - cnt - 1)); m->m_len--; return; } cnt -= m->m_len; m = m->m_next; /* XXX WRONG! Fix it! */ if (m == 0) break; } panic("tcp_pulloutofband"); } #endif /* notdef */ /* * Collect new round-trip time estimate * and update averages and current timeout. */ static void tcp_xmit_timer(struct tcpcb *tp, int rtt) { register short delta; DEBUG_CALL("tcp_xmit_timer"); DEBUG_ARG("tp = %lx", (long)tp); DEBUG_ARG("rtt = %d", rtt); if (tp->t_srtt != 0) { /* * srtt is stored as fixed point with 3 bits after the * binary point (i.e., scaled by 8). The following magic * is equivalent to the smoothing algorithm in rfc793 with * an alpha of .875 (srtt = rtt/8 + srtt*7/8 in fixed * point). Adjust rtt to origin 0. */ delta = rtt - 1 - (tp->t_srtt >> TCP_RTT_SHIFT); if ((tp->t_srtt += delta) <= 0) tp->t_srtt = 1; /* * We accumulate a smoothed rtt variance (actually, a * smoothed mean difference), then set the retransmit * timer to smoothed rtt + 4 times the smoothed variance. * rttvar is stored as fixed point with 2 bits after the * binary point (scaled by 4). The following is * equivalent to rfc793 smoothing with an alpha of .75 * (rttvar = rttvar*3/4 + |delta| / 4). This replaces * rfc793's wired-in beta. */ if (delta < 0) delta = -delta; delta -= (tp->t_rttvar >> TCP_RTTVAR_SHIFT); if ((tp->t_rttvar += delta) <= 0) tp->t_rttvar = 1; } else { /* * No rtt measurement yet - use the unsmoothed rtt. * Set the variance to half the rtt (so our first * retransmit happens at 3*rtt). */ tp->t_srtt = rtt << TCP_RTT_SHIFT; tp->t_rttvar = rtt << (TCP_RTTVAR_SHIFT - 1); } tp->t_rtt = 0; tp->t_rxtshift = 0; /* * the retransmit should happen at rtt + 4 * rttvar. * Because of the way we do the smoothing, srtt and rttvar * will each average +1/2 tick of bias. When we compute * the retransmit timer, we want 1/2 tick of rounding and * 1 extra tick because of +-1/2 tick uncertainty in the * firing of the timer. The bias will give us exactly the * 1.5 tick we need. But, because the bias is * statistical, we have to test that we don't drop below * the minimum feasible timer (which is 2 ticks). */ TCPT_RANGESET(tp->t_rxtcur, TCP_REXMTVAL(tp), (short)tp->t_rttmin, TCPTV_REXMTMAX); /* XXX */ /* * We received an ack for a packet that wasn't retransmitted; * it is probably safe to discard any error indications we've * received recently. This isn't quite right, but close enough * for now (a route might have failed after we sent a segment, * and the return path might not be symmetrical). */ tp->t_softerror = 0; } /* * Determine a reasonable value for maxseg size. * If the route is known, check route for mtu. * If none, use an mss that can be handled on the outgoing * interface without forcing IP to fragment; if bigger than * an mbuf cluster (MCLBYTES), round down to nearest multiple of MCLBYTES * to utilize large mbufs. If no route is found, route has no mtu, * or the destination isn't local, use a default, hopefully conservative * size (usually 512 or the default IP max size, but no more than the mtu * of the interface), as we can't discover anything about intervening * gateways or networks. We also initialize the congestion/slow start * window to be a single segment if the destination isn't local. * While looking at the routing entry, we also initialize other path-dependent * parameters from pre-set or cached values in the routing entry. */ int tcp_mss(struct tcpcb *tp, u_int offer) { struct socket *so = tp->t_socket; int mss; DEBUG_CALL("tcp_mss"); DEBUG_ARG("tp = %lx", (long)tp); DEBUG_ARG("offer = %d", offer); mss = min(IF_MTU, IF_MRU) - sizeof(struct tcpiphdr); if (offer) mss = min(mss, offer); mss = max(mss, 32); if (mss < tp->t_maxseg || offer != 0) tp->t_maxseg = mss; tp->snd_cwnd = mss; sbreserve(&so->so_snd, TCP_SNDSPACE + ((TCP_SNDSPACE % mss) ? (mss - (TCP_SNDSPACE % mss)) : 0)); sbreserve(&so->so_rcv, TCP_RCVSPACE + ((TCP_RCVSPACE % mss) ? (mss - (TCP_RCVSPACE % mss)) : 0)); DEBUG_MISC((dfd, " returning mss = %d\n", mss)); return mss; } vde2-2.3.2+r586/src/slirpvde/tcp_output.c0000644000000000000000000003403313614540472014746 0ustar /* * Copyright (c) 1982, 1986, 1988, 1990, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)tcp_output.c 8.3 (Berkeley) 12/30/93 * tcp_output.c,v 1.3 1994/09/15 10:36:55 davidg Exp */ /* * Changes and additions relating to SLiRP * Copyright (c) 1995 Danny Gasparovski. * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ #include static const u_char tcp_outflags[TCP_NSTATES] = { TH_RST|TH_ACK, 0, TH_SYN, TH_SYN|TH_ACK, TH_ACK, TH_ACK, TH_FIN|TH_ACK, TH_FIN|TH_ACK, TH_FIN|TH_ACK, TH_ACK, TH_ACK, }; #define MAX_TCPOPTLEN 32 /* max # bytes that go in options */ /* * Tcp output routine: figure out what should be sent and send it. */ int tcp_output(struct tcpcb *tp) { struct socket *so = tp->t_socket; long len, win; int off, flags, error; struct mbuf *m; struct tcpiphdr *ti; u_char opt[MAX_TCPOPTLEN]; unsigned optlen, hdrlen; int idle, sendalot; DEBUG_CALL("tcp_output"); DEBUG_ARG("tp = %lx", (long )tp); /* * Determine length of data that should be transmitted, * and flags that will be used. * If there is some data or critical controls (SYN, RST) * to send, then transmit; otherwise, investigate further. */ idle = (tp->snd_max == tp->snd_una); if (idle && tp->t_idle >= tp->t_rxtcur) /* * We have been idle for "a while" and no acks are * expected to clock out any data we send -- * slow start to get ack "clock" running again. */ tp->snd_cwnd = tp->t_maxseg; again: sendalot = 0; off = tp->snd_nxt - tp->snd_una; win = min(tp->snd_wnd, tp->snd_cwnd); flags = tcp_outflags[tp->t_state]; DEBUG_MISC((dfd, " --- tcp_output flags = 0x%x\n",flags)); /* * If in persist timeout with window of 0, send 1 byte. * Otherwise, if window is small but nonzero * and timer expired, we will send what we can * and go to transmit state. */ if (tp->t_force) { if (win == 0) { /* * If we still have some data to send, then * clear the FIN bit. Usually this would * happen below when it realizes that we * aren't sending all the data. However, * if we have exactly 1 byte of unset data, * then it won't clear the FIN bit below, * and if we are in persist state, we wind * up sending the packet without recording * that we sent the FIN bit. * * We can't just blindly clear the FIN bit, * because if we don't have any more data * to send then the probe will be the FIN * itself. */ if (off < so->so_snd.sb_cc) flags &= ~TH_FIN; win = 1; } else { tp->t_timer[TCPT_PERSIST] = 0; tp->t_rxtshift = 0; } } len = min(so->so_snd.sb_cc, win) - off; if (len < 0) { /* * If FIN has been sent but not acked, * but we haven't been called to retransmit, * len will be -1. Otherwise, window shrank * after we sent into it. If window shrank to 0, * cancel pending retransmit and pull snd_nxt * back to (closed) window. We will enter persist * state below. If the window didn't close completely, * just wait for an ACK. */ len = 0; if (win == 0) { tp->t_timer[TCPT_REXMT] = 0; tp->snd_nxt = tp->snd_una; } } if (len > tp->t_maxseg) { len = tp->t_maxseg; sendalot = 1; } if (SEQ_LT(tp->snd_nxt + len, tp->snd_una + so->so_snd.sb_cc)) flags &= ~TH_FIN; win = sbspace(&so->so_rcv); /* * Sender silly window avoidance. If connection is idle * and can send all data, a maximum segment, * at least a maximum default-size segment do it, * or are forced, do it; otherwise don't bother. * If peer's buffer is tiny, then send * when window is at least half open. * If retransmitting (possibly after persist timer forced us * to send into a small window), then must resend. */ if (len) { if (len == tp->t_maxseg) goto send; if ((1 || idle || tp->t_flags & TF_NODELAY) && len + off >= so->so_snd.sb_cc) goto send; if (tp->t_force) goto send; if (len >= tp->max_sndwnd / 2 && tp->max_sndwnd > 0) goto send; if (SEQ_LT(tp->snd_nxt, tp->snd_max)) goto send; } /* * Compare available window to amount of window * known to peer (as advertised window less * next expected input). If the difference is at least two * max size segments, or at least 50% of the maximum possible * window, then want to send a window update to peer. */ if (win > 0) { /* * "adv" is the amount we can increase the window, * taking into account that we are limited by * TCP_MAXWIN << tp->rcv_scale. */ long adv = min(win, (long)TCP_MAXWIN << tp->rcv_scale) - (tp->rcv_adv - tp->rcv_nxt); if (adv >= (long) (2 * tp->t_maxseg)) goto send; if (2 * adv >= (long) so->so_rcv.sb_datalen) goto send; } /* * Send if we owe peer an ACK. */ if (tp->t_flags & TF_ACKNOW) goto send; if (flags & (TH_SYN|TH_RST)) goto send; if (SEQ_GT(tp->snd_up, tp->snd_una)) goto send; /* * If our state indicates that FIN should be sent * and we have not yet done so, or we're retransmitting the FIN, * then we need to send. */ if (flags & TH_FIN && ((tp->t_flags & TF_SENTFIN) == 0 || tp->snd_nxt == tp->snd_una)) goto send; /* * TCP window updates are not reliable, rather a polling protocol * using ``persist'' packets is used to insure receipt of window * updates. The three ``states'' for the output side are: * idle not doing retransmits or persists * persisting to move a small or zero window * (re)transmitting and thereby not persisting * * tp->t_timer[TCPT_PERSIST] * is set when we are in persist state. * tp->t_force * is set when we are called to send a persist packet. * tp->t_timer[TCPT_REXMT] * is set when we are retransmitting * The output side is idle when both timers are zero. * * If send window is too small, there is data to transmit, and no * retransmit or persist is pending, then go to persist state. * If nothing happens soon, send when timer expires: * if window is nonzero, transmit what we can, * otherwise force out a byte. */ if (so->so_snd.sb_cc && tp->t_timer[TCPT_REXMT] == 0 && tp->t_timer[TCPT_PERSIST] == 0) { tp->t_rxtshift = 0; tcp_setpersist(tp); } /* * No reason to send a segment, just return. */ return (0); send: /* * Before ESTABLISHED, force sending of initial options * unless TCP set not to do any options. * NOTE: we assume that the IP/TCP header plus TCP options * always fit in a single mbuf, leaving room for a maximum * link header, i.e. * max_linkhdr + sizeof (struct tcpiphdr) + optlen <= MHLEN */ optlen = 0; hdrlen = sizeof (struct tcpiphdr); if (flags & TH_SYN) { tp->snd_nxt = tp->iss; if ((tp->t_flags & TF_NOOPT) == 0) { u_int16_t mss; opt[0] = TCPOPT_MAXSEG; opt[1] = 4; mss = htons((u_int16_t) tcp_mss(tp, 0)); memcpy((caddr_t)(opt + 2), (caddr_t)&mss, sizeof(mss)); optlen = 4; } } hdrlen += optlen; /* * Adjust data length if insertion of options will * bump the packet length beyond the t_maxseg length. */ if (len > tp->t_maxseg - optlen) { len = tp->t_maxseg - optlen; sendalot = 1; } /* * Grab a header mbuf, attaching a copy of data to * be transmitted, and initialize the header from * the template for sends on this connection. */ if (len) { m = m_get(so->slirp); if (m == NULL) { error = 1; goto out; } m->m_data += IF_MAXLINKHDR; m->m_len = hdrlen; sbcopy(&so->so_snd, off, (int) len, mtod(m, caddr_t) + hdrlen); m->m_len += len; /* * If we're sending everything we've got, set PUSH. * (This will keep happy those implementations which only * give data to the user when a buffer fills or * a PUSH comes in.) */ if (off + len == so->so_snd.sb_cc) flags |= TH_PUSH; } else { m = m_get(so->slirp); if (m == NULL) { error = 1; goto out; } m->m_data += IF_MAXLINKHDR; m->m_len = hdrlen; } ti = mtod(m, struct tcpiphdr *); memcpy((caddr_t)ti, &tp->t_template, sizeof (struct tcpiphdr)); /* * Fill in fields, remembering maximum advertised * window for use in delaying messages about window sizes. * If resending a FIN, be sure not to use a new sequence number. */ if (flags & TH_FIN && tp->t_flags & TF_SENTFIN && tp->snd_nxt == tp->snd_max) tp->snd_nxt--; /* * If we are doing retransmissions, then snd_nxt will * not reflect the first unsent octet. For ACK only * packets, we do not want the sequence number of the * retransmitted packet, we want the sequence number * of the next unsent octet. So, if there is no data * (and no SYN or FIN), use snd_max instead of snd_nxt * when filling in ti_seq. But if we are in persist * state, snd_max might reflect one byte beyond the * right edge of the window, so use snd_nxt in that * case, since we know we aren't doing a retransmission. * (retransmit and persist are mutually exclusive...) */ if (len || (flags & (TH_SYN|TH_FIN)) || tp->t_timer[TCPT_PERSIST]) ti->ti_seq = htonl(tp->snd_nxt); else ti->ti_seq = htonl(tp->snd_max); ti->ti_ack = htonl(tp->rcv_nxt); if (optlen) { memcpy((caddr_t)(ti + 1), (caddr_t)opt, optlen); ti->ti_off = (sizeof (struct tcphdr) + optlen) >> 2; } ti->ti_flags = flags; /* * Calculate receive window. Don't shrink window, * but avoid silly window syndrome. */ if (win < (long)(so->so_rcv.sb_datalen / 4) && win < (long)tp->t_maxseg) win = 0; if (win > (long)TCP_MAXWIN << tp->rcv_scale) win = (long)TCP_MAXWIN << tp->rcv_scale; if (win < (long)(tp->rcv_adv - tp->rcv_nxt)) win = (long)(tp->rcv_adv - tp->rcv_nxt); ti->ti_win = htons((u_int16_t) (win>>tp->rcv_scale)); if (SEQ_GT(tp->snd_up, tp->snd_una)) { ti->ti_urp = htons((u_int16_t)(tp->snd_up - ntohl(ti->ti_seq))); ti->ti_flags |= TH_URG; } else /* * If no urgent pointer to send, then we pull * the urgent pointer to the left edge of the send window * so that it doesn't drift into the send window on sequence * number wraparound. */ tp->snd_up = tp->snd_una; /* drag it along */ /* * Put TCP length in extended header, and then * checksum extended header and data. */ if (len + optlen) ti->ti_len = htons((u_int16_t)(sizeof (struct tcphdr) + optlen + len)); ti->ti_sum = cksum(m, (int)(hdrlen + len)); /* * In transmit state, time the transmission and arrange for * the retransmit. In persist state, just set snd_max. */ if (tp->t_force == 0 || tp->t_timer[TCPT_PERSIST] == 0) { tcp_seq startseq = tp->snd_nxt; /* * Advance snd_nxt over sequence space of this segment. */ if (flags & (TH_SYN|TH_FIN)) { if (flags & TH_SYN) tp->snd_nxt++; if (flags & TH_FIN) { tp->snd_nxt++; tp->t_flags |= TF_SENTFIN; } } tp->snd_nxt += len; if (SEQ_GT(tp->snd_nxt, tp->snd_max)) { tp->snd_max = tp->snd_nxt; /* * Time this transmission if not a retransmission and * not currently timing anything. */ if (tp->t_rtt == 0) { tp->t_rtt = 1; tp->t_rtseq = startseq; } } /* * Set retransmit timer if not currently set, * and not doing an ack or a keep-alive probe. * Initial value for retransmit timer is smoothed * round-trip time + 2 * round-trip time variance. * Initialize shift counter which is used for backoff * of retransmit time. */ if (tp->t_timer[TCPT_REXMT] == 0 && tp->snd_nxt != tp->snd_una) { tp->t_timer[TCPT_REXMT] = tp->t_rxtcur; if (tp->t_timer[TCPT_PERSIST]) { tp->t_timer[TCPT_PERSIST] = 0; tp->t_rxtshift = 0; } } } else if (SEQ_GT(tp->snd_nxt + len, tp->snd_max)) tp->snd_max = tp->snd_nxt + len; /* * Fill in IP length and desired time to live and * send to IP level. There should be a better way * to handle ttl and tos; we could keep them in * the template, but need a way to checksum without them. */ m->m_len = hdrlen + len; /* XXX Needed? m_len should be correct */ { ((struct ip *)ti)->ip_len = m->m_len; ((struct ip *)ti)->ip_ttl = IPDEFTTL; ((struct ip *)ti)->ip_tos = so->so_iptos; error = ip_output(so, m); } if (error) { out: return (error); } /* * Data sent (as far as we can tell). * If this advertises a larger window than any other segment, * then remember the size of the advertised window. * Any pending ACK has now been sent. */ if (win > 0 && SEQ_GT(tp->rcv_nxt+win, tp->rcv_adv)) tp->rcv_adv = tp->rcv_nxt + win; tp->last_ack_sent = tp->rcv_nxt; tp->t_flags &= ~(TF_ACKNOW|TF_DELACK); if (sendalot) goto again; return (0); } void tcp_setpersist(struct tcpcb *tp) { int t = ((tp->t_srtt >> 2) + tp->t_rttvar) >> 1; /* * Start/restart persistence timer. */ TCPT_RANGESET(tp->t_timer[TCPT_PERSIST], t * tcp_backoff[tp->t_rxtshift], TCPTV_PERSMIN, TCPTV_PERSMAX); if (tp->t_rxtshift < TCP_MAXRXTSHIFT) tp->t_rxtshift++; } vde2-2.3.2+r586/src/slirpvde/tcp_subr.c0000644000000000000000000006516113614540472014367 0ustar /* * Copyright (c) 1982, 1986, 1988, 1990, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)tcp_subr.c 8.1 (Berkeley) 6/10/93 * tcp_subr.c,v 1.5 1994/10/08 22:39:58 phk Exp */ /* * Changes and additions relating to SLiRP * Copyright (c) 1995 Danny Gasparovski. * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ #include #include "tcp2unix.h" /* patchable/settable parameters for tcp */ /* Don't do rfc1323 performance enhancements */ #define TCP_DO_RFC1323 0 /* * Tcp initialization */ void tcp_init(Slirp *slirp) { slirp->tcp_iss = 1; /* wrong */ slirp->tcb.so_next = slirp->tcb.so_prev = &slirp->tcb; slirp->tcp_last_so = &slirp->tcb; } /* * Create template to be used to send tcp packets on a connection. * Call after host entry created, fills * in a skeletal tcp/ip header, minimizing the amount of work * necessary when the connection is used. */ void tcp_template(struct tcpcb *tp) { struct socket *so = tp->t_socket; struct tcpiphdr *n = &tp->t_template; n->ti_mbuf = NULL; n->ti_x1 = 0; n->ti_pr = IPPROTO_TCP; n->ti_len = htons(sizeof (struct tcpiphdr) - sizeof (struct ip)); n->ti_src = so->so_faddr; n->ti_dst = so->so_laddr; n->ti_sport = so->so_fport; n->ti_dport = so->so_lport; n->ti_seq = 0; n->ti_ack = 0; n->ti_x2 = 0; n->ti_off = 5; n->ti_flags = 0; n->ti_win = 0; n->ti_sum = 0; n->ti_urp = 0; } /* * Send a single message to the TCP at address specified by * the given TCP/IP header. If m == 0, then we make a copy * of the tcpiphdr at ti and send directly to the addressed host. * This is used to force keep alive messages out using the TCP * template for a connection tp->t_template. If flags are given * then we send a message back to the TCP which originated the * segment ti, and discard the mbuf containing it and any other * attached mbufs. * * In any case the ack and sequence number of the transmitted * segment are as specified by the parameters. */ void tcp_respond(struct tcpcb *tp, struct tcpiphdr *ti, struct mbuf *m, tcp_seq ack, tcp_seq seq, int flags) { int tlen; int win = 0; DEBUG_CALL("tcp_respond"); DEBUG_ARG("tp = %lx", (long)tp); DEBUG_ARG("ti = %lx", (long)ti); DEBUG_ARG("m = %lx", (long)m); DEBUG_ARG("ack = %u", ack); DEBUG_ARG("seq = %u", seq); DEBUG_ARG("flags = %x", flags); if (tp) win = sbspace(&tp->t_socket->so_rcv); if (m == NULL) { if ((m = m_get(tp->t_socket->slirp)) == NULL) return; tlen = 0; m->m_data += IF_MAXLINKHDR; *mtod(m, struct tcpiphdr *) = *ti; ti = mtod(m, struct tcpiphdr *); flags = TH_ACK; } else { /* * ti points into m so the next line is just making * the mbuf point to ti */ m->m_data = (caddr_t)ti; m->m_len = sizeof (struct tcpiphdr); tlen = 0; #define xchg(a,b,type) { type t; t=a; a=b; b=t; } xchg(ti->ti_dst.s_addr, ti->ti_src.s_addr, u_int32_t); xchg(ti->ti_dport, ti->ti_sport, u_int16_t); #undef xchg } ti->ti_len = htons((u_short)(sizeof (struct tcphdr) + tlen)); tlen += sizeof (struct tcpiphdr); m->m_len = tlen; ti->ti_mbuf = NULL; ti->ti_x1 = 0; ti->ti_seq = htonl(seq); ti->ti_ack = htonl(ack); ti->ti_x2 = 0; ti->ti_off = sizeof (struct tcphdr) >> 2; ti->ti_flags = flags; if (tp) ti->ti_win = htons((u_int16_t) (win >> tp->rcv_scale)); else ti->ti_win = htons((u_int16_t)win); ti->ti_urp = 0; ti->ti_sum = 0; ti->ti_sum = cksum(m, tlen); ((struct ip *)ti)->ip_len = tlen; if(flags & TH_RST) ((struct ip *)ti)->ip_ttl = MAXTTL; else ((struct ip *)ti)->ip_ttl = IPDEFTTL; (void) ip_output((struct socket *)0, m); } /* * Create a new TCP control block, making an * empty reassembly queue and hooking it to the argument * protocol control block. */ struct tcpcb * tcp_newtcpcb(struct socket *so) { struct tcpcb *tp; tp = (struct tcpcb *)malloc(sizeof(*tp)); if (tp == NULL) return ((struct tcpcb *)0); memset((char *) tp, 0, sizeof(struct tcpcb)); tp->seg_next = tp->seg_prev = (struct tcpiphdr*)tp; tp->t_maxseg = TCP_MSS; tp->t_flags = TCP_DO_RFC1323 ? (TF_REQ_SCALE|TF_REQ_TSTMP) : 0; tp->t_socket = so; /* * Init srtt to TCPTV_SRTTBASE (0), so we can tell that we have no * rtt estimate. Set rttvar so that srtt + 2 * rttvar gives * reasonable initial retransmit time. */ tp->t_srtt = TCPTV_SRTTBASE; tp->t_rttvar = TCPTV_SRTTDFLT << 2; tp->t_rttmin = TCPTV_MIN; TCPT_RANGESET(tp->t_rxtcur, ((TCPTV_SRTTBASE >> 2) + (TCPTV_SRTTDFLT << 2)) >> 1, TCPTV_MIN, TCPTV_REXMTMAX); tp->snd_cwnd = TCP_MAXWIN << TCP_MAX_WINSHIFT; tp->snd_ssthresh = TCP_MAXWIN << TCP_MAX_WINSHIFT; tp->t_state = TCPS_CLOSED; so->so_tcpcb = tp; return (tp); } /* * Drop a TCP connection, reporting * the specified error. If connection is synchronized, * then send a RST to peer. */ struct tcpcb *tcp_drop(struct tcpcb *tp, int err) { DEBUG_CALL("tcp_drop"); DEBUG_ARG("tp = %lx", (long)tp); DEBUG_ARG("errno = %d", errno); if (TCPS_HAVERCVDSYN(tp->t_state)) { tp->t_state = TCPS_CLOSED; (void) tcp_output(tp); } return (tcp_close(tp)); } /* * Close a TCP control block: * discard all space held by the tcp * discard internet protocol block * wake up any sleepers */ struct tcpcb * tcp_close(struct tcpcb *tp) { struct tcpiphdr *t; struct socket *so = tp->t_socket; Slirp *slirp = so->slirp; struct mbuf *m; DEBUG_CALL("tcp_close"); DEBUG_ARG("tp = %lx", (long )tp); /* free the reassembly queue, if any */ t = tcpfrag_list_first(tp); while (!tcpfrag_list_end(t, tp)) { t = tcpiphdr_next(t); m = tcpiphdr_prev(t)->ti_mbuf; remque(tcpiphdr2qlink(tcpiphdr_prev(t))); m_freem(m); } free(tp); so->so_tcpcb = NULL; /* clobber input socket cache if we're closing the cached connection */ if (so == slirp->tcp_last_so) slirp->tcp_last_so = &slirp->tcb; closesocket(so->s); sbfree(&so->so_rcv); sbfree(&so->so_snd); sofree(so); return ((struct tcpcb *)0); } /* * TCP protocol interface to socket abstraction. */ /* * User issued close, and wish to trail through shutdown states: * if never received SYN, just forget it. If got a SYN from peer, * but haven't sent FIN, then go to FIN_WAIT_1 state to send peer a FIN. * If already got a FIN from peer, then almost done; go to LAST_ACK * state. In all other cases, have already sent FIN to peer (e.g. * after PRU_SHUTDOWN), and just have to play tedious game waiting * for peer to send FIN or not respond to keep-alives, etc. * We can let the user exit from the close as soon as the FIN is acked. */ void tcp_sockclosed(struct tcpcb *tp) { DEBUG_CALL("tcp_sockclosed"); DEBUG_ARG("tp = %lx", (long)tp); switch (tp->t_state) { case TCPS_CLOSED: case TCPS_LISTEN: case TCPS_SYN_SENT: tp->t_state = TCPS_CLOSED; tp = tcp_close(tp); break; case TCPS_SYN_RECEIVED: case TCPS_ESTABLISHED: tp->t_state = TCPS_FIN_WAIT_1; break; case TCPS_CLOSE_WAIT: tp->t_state = TCPS_LAST_ACK; break; } if (tp) tcp_output(tp); } /* * Connect to a host on the Internet * Called by tcp_input * Only do a connect, the tcp fields will be set in tcp_input * return 0 if there's a result of the connect, * else return -1 means we're still connecting * The return value is almost always -1 since the socket is * nonblocking. Connect returns after the SYN is sent, and does * not wait for ACK+SYN. */ int tcp_fconnect(struct socket *so) { Slirp *slirp = so->slirp; int ret=0; char *path; DEBUG_CALL("tcp_fconnect"); DEBUG_ARG("so = %lx", (long )so); //fprintf(stderr,"fconnect %d %s\n",ntohs(so->so_fport), inet_ntoa(so->so_faddr)); if (__builtin_expect(tcp2unix_check,0) && (so->so_faddr.s_addr == slirp->vhost_addr.s_addr) && (path=tcp2unix_search(ntohs(so->so_fport)))!=NULL ) { if ( (ret=so->s=socket(AF_UNIX,SOCK_STREAM,0)) >= 0) { /*int opt;*/ int s=so->s; struct sockaddr_un addr; fd_nonblock(s); addr.sun_family = AF_UNIX; strncpy(addr.sun_path,path,UNIX_PATH_MAX); ret = connect(s,(struct sockaddr *)&addr,sizeof (addr)); soisfconnecting(so); } } else if( (ret = so->s = qemu_socket(AF_INET,SOCK_STREAM,0)) >= 0) { int opt, s=so->s; struct sockaddr_in addr; fd_nonblock(s); opt = 1; setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&opt,sizeof(opt )); opt = 1; setsockopt(s,SOL_SOCKET,SO_OOBINLINE,(char *)&opt,sizeof(opt )); addr.sin_family = AF_INET; if ((so->so_faddr.s_addr & slirp->vnetwork_mask.s_addr) == slirp->vnetwork_addr.s_addr) { /* It's an alias */ if (so->so_faddr.s_addr == slirp->vnameserver_addr.s_addr) { if (get_dns_addr(&addr.sin_addr) < 0) addr.sin_addr = loopback_addr; } else { addr.sin_addr = loopback_addr; } } else addr.sin_addr = so->so_faddr; addr.sin_port = so->so_fport; DEBUG_MISC((dfd, " connect()ing, addr.sin_port=%d, " "addr.sin_addr.s_addr=%.16s\n", ntohs(addr.sin_port), inet_ntoa(addr.sin_addr))); /* We don't care what port we get */ ret = connect(s,(struct sockaddr *)&addr,sizeof (addr)); /* * If it's not in progress, it failed, so we just return 0, * without clearing SS_NOFDREF */ soisfconnecting(so); } return(ret); } /* * Accept the socket and connect to the local-host * * We have a problem. The correct thing to do would be * to first connect to the local-host, and only if the * connection is accepted, then do an accept() here. * But, a) we need to know who's trying to connect * to the socket to be able to SYN the local-host, and * b) we are already connected to the foreign host by * the time it gets to accept(), so... We simply accept * here and SYN the local-host. */ void tcp_connect(struct socket *inso) { Slirp *slirp = inso->slirp; struct socket *so; struct sockaddr_in addr; socklen_t addrlen = sizeof(struct sockaddr_in); struct tcpcb *tp; int s, opt; DEBUG_CALL("tcp_connect"); DEBUG_ARG("inso = %lx", (long)inso); /* * If it's an SS_ACCEPTONCE socket, no need to socreate() * another socket, just use the accept() socket. */ if (inso->so_state & SS_FACCEPTONCE) { /* FACCEPTONCE already have a tcpcb */ so = inso; } else { if ((so = socreate(slirp)) == NULL) { /* If it failed, get rid of the pending connection */ closesocket(accept(inso->s,(struct sockaddr *)&addr,&addrlen)); return; } if (tcp_attach(so) < 0) { free(so); /* NOT sofree */ return; } so->so_laddr = inso->so_laddr; so->so_lport = inso->so_lport; } (void) tcp_mss(sototcpcb(so), 0); if ((s = accept(inso->s,(struct sockaddr *)&addr,&addrlen)) < 0) { tcp_close(sototcpcb(so)); /* This will sofree() as well */ return; } fd_nonblock(s); opt = 1; setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&opt,sizeof(int)); opt = 1; setsockopt(s,SOL_SOCKET,SO_OOBINLINE,(char *)&opt,sizeof(int)); opt = 1; setsockopt(s,IPPROTO_TCP,TCP_NODELAY,(char *)&opt,sizeof(int)); so->so_fport = addr.sin_port; so->so_faddr = addr.sin_addr; /* Translate connections from localhost to the real hostname */ if (so->so_faddr.s_addr == 0 || so->so_faddr.s_addr == loopback_addr.s_addr) so->so_faddr = slirp->vhost_addr; /* Close the accept() socket, set right state */ if (inso->so_state & SS_FACCEPTONCE) { closesocket(so->s); /* If we only accept once, close the accept() socket */ so->so_state = SS_NOFDREF; /* Don't select it yet, even though we have an FD */ /* if it's not FACCEPTONCE, it's already NOFDREF */ } so->s = s; so->so_state |= SS_INCOMING; so->so_iptos = tcp_tos(so); tp = sototcpcb(so); tcp_template(tp); tp->t_state = TCPS_SYN_SENT; tp->t_timer[TCPT_KEEP] = TCPTV_KEEP_INIT; tp->iss = slirp->tcp_iss; slirp->tcp_iss += TCP_ISSINCR/2; tcp_sendseqinit(tp); tcp_output(tp); } /* * Attach a TCPCB to a socket. */ int tcp_attach(struct socket *so) { if ((so->so_tcpcb = tcp_newtcpcb(so)) == NULL) return -1; insque(so, &so->slirp->tcb); return 0; } /* * Set the socket's type of service field */ static const struct tos_t tcptos[] = { {0, 20, IPTOS_THROUGHPUT, 0}, /* ftp data */ {21, 21, IPTOS_LOWDELAY, EMU_FTP}, /* ftp control */ {0, 23, IPTOS_LOWDELAY, 0}, /* telnet */ {0, 80, IPTOS_THROUGHPUT, 0}, /* WWW */ {0, 513, IPTOS_LOWDELAY, EMU_RLOGIN|EMU_NOCONNECT}, /* rlogin */ {0, 514, IPTOS_LOWDELAY, EMU_RSH|EMU_NOCONNECT}, /* shell */ {0, 544, IPTOS_LOWDELAY, EMU_KSH}, /* kshell */ {0, 543, IPTOS_LOWDELAY, 0}, /* klogin */ {0, 6667, IPTOS_THROUGHPUT, EMU_IRC}, /* IRC */ {0, 6668, IPTOS_THROUGHPUT, EMU_IRC}, /* IRC undernet */ {0, 7070, IPTOS_LOWDELAY, EMU_REALAUDIO }, /* RealAudio control */ {0, 113, IPTOS_LOWDELAY, EMU_IDENT }, /* identd protocol */ {0, 0, 0, 0} }; static struct emu_t *tcpemu = NULL; /* * Return TOS according to the above table */ u_int8_t tcp_tos(struct socket *so) { int i = 0; struct emu_t *emup; while(tcptos[i].tos) { if ((tcptos[i].fport && (ntohs(so->so_fport) == tcptos[i].fport)) || (tcptos[i].lport && (ntohs(so->so_lport) == tcptos[i].lport))) { so->so_emu = tcptos[i].emu; return tcptos[i].tos; } i++; } /* Nope, lets see if there's a user-added one */ for (emup = tcpemu; emup; emup = emup->next) { if ((emup->fport && (ntohs(so->so_fport) == emup->fport)) || (emup->lport && (ntohs(so->so_lport) == emup->lport))) { so->so_emu = emup->emu; return emup->tos; } } return 0; } /* * Emulate programs that try and connect to us * This includes ftp (the data connection is * initiated by the server) and IRC (DCC CHAT and * DCC SEND) for now * * NOTE: It's possible to crash SLiRP by sending it * unstandard strings to emulate... if this is a problem, * more checks are needed here * * XXX Assumes the whole command came in one packet * * XXX Some ftp clients will have their TOS set to * LOWDELAY and so Nagel will kick in. Because of this, * we'll get the first letter, followed by the rest, so * we simply scan for ORT instead of PORT... * DCC doesn't have this problem because there's other stuff * in the packet before the DCC command. * * Return 1 if the mbuf m is still valid and should be * sbappend()ed * * NOTE: if you return 0 you MUST m_free() the mbuf! */ int tcp_emu(struct socket *so, struct mbuf *m) { Slirp *slirp = so->slirp; u_int n1, n2, n3, n4, n5, n6; char buff[257]; u_int32_t laddr; u_int lport; char *bptr; DEBUG_CALL("tcp_emu"); DEBUG_ARG("so = %lx", (long)so); DEBUG_ARG("m = %lx", (long)m); switch(so->so_emu) { int x, i; case EMU_IDENT: /* * Identification protocol as per rfc-1413 */ { struct socket *tmpso; struct sockaddr_in addr; socklen_t addrlen = sizeof(struct sockaddr_in); struct sbuf *so_rcv = &so->so_rcv; memcpy(so_rcv->sb_wptr, m->m_data, m->m_len); so_rcv->sb_wptr += m->m_len; so_rcv->sb_rptr += m->m_len; m->m_data[m->m_len] = 0; /* NULL terminate */ if (strchr(m->m_data, '\r') || strchr(m->m_data, '\n')) { if (sscanf(so_rcv->sb_data, "%u%*[ ,]%u", &n1, &n2) == 2) { HTONS(n1); HTONS(n2); /* n2 is the one on our host */ for (tmpso = slirp->tcb.so_next; tmpso != &slirp->tcb; tmpso = tmpso->so_next) { if (tmpso->so_laddr.s_addr == so->so_laddr.s_addr && tmpso->so_lport == n2 && tmpso->so_faddr.s_addr == so->so_faddr.s_addr && tmpso->so_fport == n1) { if (getsockname(tmpso->s, (struct sockaddr *)&addr, &addrlen) == 0) n2 = ntohs(addr.sin_port); break; } } } so_rcv->sb_cc = snprintf(so_rcv->sb_data, so_rcv->sb_datalen, "%d,%d\r\n", n1, n2); so_rcv->sb_rptr = so_rcv->sb_data; so_rcv->sb_wptr = so_rcv->sb_data + so_rcv->sb_cc; } m_free(m); return 0; } case EMU_FTP: /* ftp */ *(m->m_data+m->m_len) = 0; /* NUL terminate for strstr */ if ((bptr = (char *)strstr(m->m_data, "ORT")) != NULL) { /* * Need to emulate the PORT command */ x = sscanf(bptr, "ORT %u,%u,%u,%u,%u,%u\r\n%256[^\177]", &n1, &n2, &n3, &n4, &n5, &n6, buff); if (x < 6) return 1; laddr = htonl((n1 << 24) | (n2 << 16) | (n3 << 8) | (n4)); lport = htons((n5 << 8) | (n6)); if ((so = tcp_listen(slirp, INADDR_ANY, 0, laddr, lport, SS_FACCEPTONCE)) == NULL) { return 1; } n6 = ntohs(so->so_fport); n5 = (n6 >> 8) & 0xff; n6 &= 0xff; laddr = ntohl(so->so_faddr.s_addr); n1 = ((laddr >> 24) & 0xff); n2 = ((laddr >> 16) & 0xff); n3 = ((laddr >> 8) & 0xff); n4 = (laddr & 0xff); m->m_len = bptr - m->m_data; /* Adjust length */ m->m_len += snprintf(bptr, m->m_hdr.mh_size - m->m_len, "ORT %d,%d,%d,%d,%d,%d\r\n%s", n1, n2, n3, n4, n5, n6, x==7?buff:""); return 1; } else if ((bptr = (char *)strstr(m->m_data, "27 Entering")) != NULL) { /* * Need to emulate the PASV response */ x = sscanf(bptr, "27 Entering Passive Mode (%u,%u,%u,%u,%u,%u)\r\n%256[^\177]", &n1, &n2, &n3, &n4, &n5, &n6, buff); if (x < 6) return 1; laddr = htonl((n1 << 24) | (n2 << 16) | (n3 << 8) | (n4)); lport = htons((n5 << 8) | (n6)); if ((so = tcp_listen(slirp, INADDR_ANY, 0, laddr, lport, SS_FACCEPTONCE)) == NULL) { return 1; } n6 = ntohs(so->so_fport); n5 = (n6 >> 8) & 0xff; n6 &= 0xff; laddr = ntohl(so->so_faddr.s_addr); n1 = ((laddr >> 24) & 0xff); n2 = ((laddr >> 16) & 0xff); n3 = ((laddr >> 8) & 0xff); n4 = (laddr & 0xff); m->m_len = bptr - m->m_data; /* Adjust length */ m->m_len += snprintf(bptr, m->m_hdr.mh_size - m->m_len, "27 Entering Passive Mode (%d,%d,%d,%d,%d,%d)\r\n%s", n1, n2, n3, n4, n5, n6, x==7?buff:""); return 1; } return 1; case EMU_KSH: /* * The kshell (Kerberos rsh) and shell services both pass * a local port port number to carry signals to the server * and stderr to the client. It is passed at the beginning * of the connection as a NUL-terminated decimal ASCII string. */ so->so_emu = 0; for (lport = 0, i = 0; i < m->m_len-1; ++i) { if (m->m_data[i] < '0' || m->m_data[i] > '9') return 1; /* invalid number */ lport *= 10; lport += m->m_data[i] - '0'; } if (m->m_data[m->m_len-1] == '\0' && lport != 0 && (so = tcp_listen(slirp, INADDR_ANY, 0, so->so_laddr.s_addr, htons(lport), SS_FACCEPTONCE)) != NULL) m->m_len = snprintf(m->m_data, m->m_hdr.mh_size, "%d", ntohs(so->so_fport)) + 1; return 1; case EMU_IRC: /* * Need to emulate DCC CHAT, DCC SEND and DCC MOVE */ *(m->m_data+m->m_len) = 0; /* NULL terminate the string for strstr */ if ((bptr = (char *)strstr(m->m_data, "DCC")) == NULL) return 1; /* The %256s is for the broken mIRC */ if (sscanf(bptr, "DCC CHAT %256s %u %u", buff, &laddr, &lport) == 3) { if ((so = tcp_listen(slirp, INADDR_ANY, 0, htonl(laddr), htons(lport), SS_FACCEPTONCE)) == NULL) { return 1; } m->m_len = bptr - m->m_data; /* Adjust length */ m->m_len += snprintf(bptr, m->m_hdr.mh_size, "DCC CHAT chat %lu %u%c\n", (unsigned long)ntohl(so->so_faddr.s_addr), ntohs(so->so_fport), 1); } else if (sscanf(bptr, "DCC SEND %256s %u %u %u", buff, &laddr, &lport, &n1) == 4) { if ((so = tcp_listen(slirp, INADDR_ANY, 0, htonl(laddr), htons(lport), SS_FACCEPTONCE)) == NULL) { return 1; } m->m_len = bptr - m->m_data; /* Adjust length */ m->m_len += snprintf(bptr, m->m_hdr.mh_size, "DCC SEND %s %lu %u %u%c\n", buff, (unsigned long)ntohl(so->so_faddr.s_addr), ntohs(so->so_fport), n1, 1); } else if (sscanf(bptr, "DCC MOVE %256s %u %u %u", buff, &laddr, &lport, &n1) == 4) { if ((so = tcp_listen(slirp, INADDR_ANY, 0, htonl(laddr), htons(lport), SS_FACCEPTONCE)) == NULL) { return 1; } m->m_len = bptr - m->m_data; /* Adjust length */ m->m_len += snprintf(bptr, m->m_hdr.mh_size, "DCC MOVE %s %lu %u %u%c\n", buff, (unsigned long)ntohl(so->so_faddr.s_addr), ntohs(so->so_fport), n1, 1); } return 1; case EMU_REALAUDIO: /* * RealAudio emulation - JP. We must try to parse the incoming * data and try to find the two characters that contain the * port number. Then we redirect an udp port and replace the * number with the real port we got. * * The 1.0 beta versions of the player are not supported * any more. * * A typical packet for player version 1.0 (release version): * * 0000:50 4E 41 00 05 * 0000:00 01 00 02 1B D7 00 00 67 E6 6C DC 63 00 12 50 ........g.l.c..P * 0010:4E 43 4C 49 45 4E 54 20 31 30 31 20 41 4C 50 48 NCLIENT 101 ALPH * 0020:41 6C 00 00 52 00 17 72 61 66 69 6C 65 73 2F 76 Al..R..rafiles/v * 0030:6F 61 2F 65 6E 67 6C 69 73 68 5F 2E 72 61 79 42 oa/english_.rayB * * Now the port number 0x1BD7 is found at offset 0x04 of the * Now the port number 0x1BD7 is found at offset 0x04 of the * second packet. This time we received five bytes first and * then the rest. You never know how many bytes you get. * * A typical packet for player version 2.0 (beta): * * 0000:50 4E 41 00 06 00 02 00 00 00 01 00 02 1B C1 00 PNA............. * 0010:00 67 75 78 F5 63 00 0A 57 69 6E 32 2E 30 2E 30 .gux.c..Win2.0.0 * 0020:2E 35 6C 00 00 52 00 1C 72 61 66 69 6C 65 73 2F .5l..R..rafiles/ * 0030:77 65 62 73 69 74 65 2F 32 30 72 65 6C 65 61 73 website/20releas * 0040:65 2E 72 61 79 53 00 00 06 36 42 e.rayS...6B * * Port number 0x1BC1 is found at offset 0x0d. * * This is just a horrible switch statement. Variable ra tells * us where we're going. */ bptr = m->m_data; while (bptr < m->m_data + m->m_len) { u_short p; static int ra = 0; char ra_tbl[4]; ra_tbl[0] = 0x50; ra_tbl[1] = 0x4e; ra_tbl[2] = 0x41; ra_tbl[3] = 0; switch (ra) { case 0: case 2: case 3: if (*bptr++ != ra_tbl[ra]) { ra = 0; continue; } break; case 1: /* * We may get 0x50 several times, ignore them */ if (*bptr == 0x50) { ra = 1; bptr++; continue; } else if (*bptr++ != ra_tbl[ra]) { ra = 0; continue; } break; case 4: /* * skip version number */ bptr++; break; case 5: /* * The difference between versions 1.0 and * 2.0 is here. For future versions of * the player this may need to be modified. */ if (*(bptr + 1) == 0x02) bptr += 8; else bptr += 4; break; case 6: /* This is the field containing the port * number that RA-player is listening to. */ lport = (((u_char*)bptr)[0] << 8) + ((u_char *)bptr)[1]; if (lport < 6970) lport += 256; /* don't know why */ if (lport < 6970 || lport > 7170) return 1; /* failed */ /* try to get udp port between 6970 - 7170 */ for (p = 6970; p < 7071; p++) { if (udp_listen(slirp, INADDR_ANY, htons(p), so->so_laddr.s_addr, htons(lport), SS_FACCEPTONCE)) { break; } } if (p == 7071) p = 0; *(u_char *)bptr++ = (p >> 8) & 0xff; *(u_char *)bptr++ = p & 0xff; ra = 0; return 1; /* port redirected, we're done */ break; default: ra = 0; } ra++; } return 1; default: /* Ooops, not emulated, won't call tcp_emu again */ so->so_emu = 0; return 1; } } /* * Do misc. config of SLiRP while its running. * Return 0 if this connections is to be closed, 1 otherwise, * return 2 if this is a command-line connection */ int tcp_ctl(struct socket *so) { #if 0 Slirp *slirp = so->slirp; struct sbuf *sb = &so->so_snd; struct ex_list *ex_ptr; int do_pty; DEBUG_CALL("tcp_ctl"); DEBUG_ARG("so = %lx", (long )so); if (so->so_faddr.s_addr != slirp->vhost_addr.s_addr) { /* Check if it's pty_exec */ for (ex_ptr = slirp->exec_list; ex_ptr; ex_ptr = ex_ptr->ex_next) { if (ex_ptr->ex_fport == so->so_fport && so->so_faddr.s_addr == ex_ptr->ex_addr.s_addr) { if (ex_ptr->ex_pty == 3) { so->s = -1; so->extra = (void *)ex_ptr->ex_exec; return 1; } do_pty = ex_ptr->ex_pty; DEBUG_MISC((dfd, " executing %s \n",ex_ptr->ex_exec)); return fork_exec(so, ex_ptr->ex_exec, do_pty); } } } sb->sb_cc = snprintf(sb->sb_wptr, sb->sb_datalen - (sb->sb_wptr - sb->sb_data), "Error: No application configured.\r\n"); sb->sb_wptr += sb->sb_cc; #endif return 0; } vde2-2.3.2+r586/src/slirpvde/tcp_timer.c0000644000000000000000000002065113614540472014527 0ustar /* * Copyright (c) 1982, 1986, 1988, 1990, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)tcp_timer.c 8.1 (Berkeley) 6/10/93 * tcp_timer.c,v 1.2 1994/08/02 07:49:10 davidg Exp */ #include static struct tcpcb *tcp_timers(struct tcpcb *tp, int timer); /* * Fast timeout routine for processing delayed acks */ void tcp_fasttimo(Slirp *slirp) { struct socket *so; struct tcpcb *tp; DEBUG_CALL("tcp_fasttimo"); so = slirp->tcb.so_next; if (so) for (; so != &slirp->tcb; so = so->so_next) if ((tp = (struct tcpcb *)so->so_tcpcb) && (tp->t_flags & TF_DELACK)) { tp->t_flags &= ~TF_DELACK; tp->t_flags |= TF_ACKNOW; (void) tcp_output(tp); } } /* * Tcp protocol timeout routine called every 500 ms. * Updates the timers in all active tcb's and * causes finite state machine actions if timers expire. */ void tcp_slowtimo(Slirp *slirp) { struct socket *ip, *ipnxt; struct tcpcb *tp; int i; DEBUG_CALL("tcp_slowtimo"); /* * Search through tcb's and update active timers. */ ip = slirp->tcb.so_next; if (ip == NULL) { return; } for (; ip != &slirp->tcb; ip = ipnxt) { ipnxt = ip->so_next; tp = sototcpcb(ip); if (tp == NULL) { continue; } for (i = 0; i < TCPT_NTIMERS; i++) { if (tp->t_timer[i] && --tp->t_timer[i] == 0) { tcp_timers(tp,i); if (ipnxt->so_prev != ip) goto tpgone; } } tp->t_idle++; if (tp->t_rtt) tp->t_rtt++; tpgone: ; } slirp->tcp_iss += TCP_ISSINCR/PR_SLOWHZ; /* increment iss */ slirp->tcp_now++; /* for timestamps */ } /* * Cancel all timers for TCP tp. */ void tcp_canceltimers(struct tcpcb *tp) { int i; for (i = 0; i < TCPT_NTIMERS; i++) tp->t_timer[i] = 0; } const int tcp_backoff[TCP_MAXRXTSHIFT + 1] = { 1, 2, 4, 8, 16, 32, 64, 64, 64, 64, 64, 64, 64 }; /* * TCP timer processing. */ static struct tcpcb * tcp_timers(struct tcpcb *tp, int timer) { int rexmt; DEBUG_CALL("tcp_timers"); switch (timer) { /* * 2 MSL timeout in shutdown went off. If we're closed but * still waiting for peer to close and connection has been idle * too long, or if 2MSL time is up from TIME_WAIT, delete connection * control block. Otherwise, check again in a bit. */ case TCPT_2MSL: if (tp->t_state != TCPS_TIME_WAIT && tp->t_idle <= TCP_MAXIDLE) tp->t_timer[TCPT_2MSL] = TCPTV_KEEPINTVL; else tp = tcp_close(tp); break; /* * Retransmission timer went off. Message has not * been acked within retransmit interval. Back off * to a longer retransmit interval and retransmit one segment. */ case TCPT_REXMT: /* * XXXXX If a packet has timed out, then remove all the queued * packets for that session. */ if (++tp->t_rxtshift > TCP_MAXRXTSHIFT) { /* * This is a hack to suit our terminal server here at the uni of canberra * since they have trouble with zeroes... It usually lets them through * unharmed, but under some conditions, it'll eat the zeros. If we * keep retransmitting it, it'll keep eating the zeroes, so we keep * retransmitting, and eventually the connection dies... * (this only happens on incoming data) * * So, if we were gonna drop the connection from too many retransmits, * don't... instead halve the t_maxseg, which might break up the NULLs and * let them through * * *sigh* */ tp->t_maxseg >>= 1; if (tp->t_maxseg < 32) { /* * We tried our best, now the connection must die! */ tp->t_rxtshift = TCP_MAXRXTSHIFT; tp = tcp_drop(tp, tp->t_softerror); /* tp->t_softerror : ETIMEDOUT); */ /* XXX */ return (tp); /* XXX */ } /* * Set rxtshift to 6, which is still at the maximum * backoff time */ tp->t_rxtshift = 6; } rexmt = TCP_REXMTVAL(tp) * tcp_backoff[tp->t_rxtshift]; TCPT_RANGESET(tp->t_rxtcur, rexmt, (short)tp->t_rttmin, TCPTV_REXMTMAX); /* XXX */ tp->t_timer[TCPT_REXMT] = tp->t_rxtcur; /* * If losing, let the lower level know and try for * a better route. Also, if we backed off this far, * our srtt estimate is probably bogus. Clobber it * so we'll take the next rtt measurement as our srtt; * move the current srtt into rttvar to keep the current * retransmit times until then. */ if (tp->t_rxtshift > TCP_MAXRXTSHIFT / 4) { tp->t_rttvar += (tp->t_srtt >> TCP_RTT_SHIFT); tp->t_srtt = 0; } tp->snd_nxt = tp->snd_una; /* * If timing a segment in this window, stop the timer. */ tp->t_rtt = 0; /* * Close the congestion window down to one segment * (we'll open it by one segment for each ack we get). * Since we probably have a window's worth of unacked * data accumulated, this "slow start" keeps us from * dumping all that data as back-to-back packets (which * might overwhelm an intermediate gateway). * * There are two phases to the opening: Initially we * open by one mss on each ack. This makes the window * size increase exponentially with time. If the * window is larger than the path can handle, this * exponential growth results in dropped packet(s) * almost immediately. To get more time between * drops but still "push" the network to take advantage * of improving conditions, we switch from exponential * to linear window opening at some threshold size. * For a threshold, we use half the current window * size, truncated to a multiple of the mss. * * (the minimum cwnd that will give us exponential * growth is 2 mss. We don't allow the threshold * to go below this.) */ { u_int win = min(tp->snd_wnd, tp->snd_cwnd) / 2 / tp->t_maxseg; if (win < 2) win = 2; tp->snd_cwnd = tp->t_maxseg; tp->snd_ssthresh = win * tp->t_maxseg; tp->t_dupacks = 0; } (void) tcp_output(tp); break; /* * Persistence timer into zero window. * Force a byte to be output, if possible. */ case TCPT_PERSIST: tcp_setpersist(tp); tp->t_force = 1; (void) tcp_output(tp); tp->t_force = 0; break; /* * Keep-alive timer went off; send something * or drop connection if idle for too long. */ case TCPT_KEEP: if (tp->t_state < TCPS_ESTABLISHED) goto dropit; if ((SO_OPTIONS) && tp->t_state <= TCPS_CLOSE_WAIT) { if (tp->t_idle >= TCPTV_KEEP_IDLE + TCP_MAXIDLE) goto dropit; /* * Send a packet designed to force a response * if the peer is up and reachable: * either an ACK if the connection is still alive, * or an RST if the peer has closed the connection * due to timeout or reboot. * Using sequence number tp->snd_una-1 * causes the transmitted zero-length segment * to lie outside the receive window; * by the protocol spec, this requires the * correspondent TCP to respond. */ tcp_respond(tp, &tp->t_template, (struct mbuf *)NULL, tp->rcv_nxt, tp->snd_una - 1, 0); tp->t_timer[TCPT_KEEP] = TCPTV_KEEPINTVL; } else tp->t_timer[TCPT_KEEP] = TCPTV_KEEP_IDLE; break; dropit: tp = tcp_drop(tp, 0); break; } return (tp); } vde2-2.3.2+r586/src/slirpvde/tcp_timer.h0000644000000000000000000001241713614540472014535 0ustar /* * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)tcp_timer.h 8.1 (Berkeley) 6/10/93 * tcp_timer.h,v 1.4 1994/08/21 05:27:38 paul Exp */ #ifndef _TCP_TIMER_H_ #define _TCP_TIMER_H_ /* * Definitions of the TCP timers. These timers are counted * down PR_SLOWHZ times a second. */ #define TCPT_NTIMERS 4 #define TCPT_REXMT 0 /* retransmit */ #define TCPT_PERSIST 1 /* retransmit persistence */ #define TCPT_KEEP 2 /* keep alive */ #define TCPT_2MSL 3 /* 2*msl quiet time timer */ /* * The TCPT_REXMT timer is used to force retransmissions. * The TCP has the TCPT_REXMT timer set whenever segments * have been sent for which ACKs are expected but not yet * received. If an ACK is received which advances tp->snd_una, * then the retransmit timer is cleared (if there are no more * outstanding segments) or reset to the base value (if there * are more ACKs expected). Whenever the retransmit timer goes off, * we retransmit one unacknowledged segment, and do a backoff * on the retransmit timer. * * The TCPT_PERSIST timer is used to keep window size information * flowing even if the window goes shut. If all previous transmissions * have been acknowledged (so that there are no retransmissions in progress), * and the window is too small to bother sending anything, then we start * the TCPT_PERSIST timer. When it expires, if the window is nonzero, * we go to transmit state. Otherwise, at intervals send a single byte * into the peer's window to force him to update our window information. * We do this at most as often as TCPT_PERSMIN time intervals, * but no more frequently than the current estimate of round-trip * packet time. The TCPT_PERSIST timer is cleared whenever we receive * a window update from the peer. * * The TCPT_KEEP timer is used to keep connections alive. If an * connection is idle (no segments received) for TCPTV_KEEP_INIT amount of time, * but not yet established, then we drop the connection. Once the connection * is established, if the connection is idle for TCPTV_KEEP_IDLE time * (and keepalives have been enabled on the socket), we begin to probe * the connection. We force the peer to send us a segment by sending: * * This segment is (deliberately) outside the window, and should elicit * an ack segment in response from the peer. If, despite the TCPT_KEEP * initiated segments we cannot elicit a response from a peer in TCPT_MAXIDLE * amount of time probing, then we drop the connection. */ /* * Time constants. */ #define TCPTV_MSL ( 5*PR_SLOWHZ) /* max seg lifetime (hah!) */ #define TCPTV_SRTTBASE 0 /* base roundtrip time; if 0, no idea yet */ #define TCPTV_SRTTDFLT ( 3*PR_SLOWHZ) /* assumed RTT if no info */ #define TCPTV_PERSMIN ( 5*PR_SLOWHZ) /* retransmit persistence */ #define TCPTV_PERSMAX ( 60*PR_SLOWHZ) /* maximum persist interval */ #define TCPTV_KEEP_INIT ( 75*PR_SLOWHZ) /* initial connect keep alive */ #define TCPTV_KEEP_IDLE (120*60*PR_SLOWHZ) /* dflt time before probing */ #define TCPTV_KEEPINTVL ( 75*PR_SLOWHZ) /* default probe interval */ #define TCPTV_KEEPCNT 8 /* max probes before drop */ #define TCPTV_MIN ( 1*PR_SLOWHZ) /* minimum allowable value */ #define TCPTV_REXMTMAX ( 12*PR_SLOWHZ) /* max allowable REXMT value */ #define TCP_LINGERTIME 120 /* linger at most 2 minutes */ #define TCP_MAXRXTSHIFT 12 /* maximum retransmits */ /* * Force a time value to be in a certain range. */ #define TCPT_RANGESET(tv, value, tvmin, tvmax) { \ (tv) = (value); \ if ((tv) < (tvmin)) \ (tv) = (tvmin); \ else if ((tv) > (tvmax)) \ (tv) = (tvmax); \ } extern const int tcp_backoff[]; struct tcpcb; void tcp_fasttimo(Slirp *); void tcp_slowtimo(Slirp *); void tcp_canceltimers(struct tcpcb *); #endif vde2-2.3.2+r586/src/slirpvde/tcp_var.h0000644000000000000000000001504513614540472014205 0ustar /* * Copyright (c) 1982, 1986, 1993, 1994 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)tcp_var.h 8.3 (Berkeley) 4/10/94 * tcp_var.h,v 1.3 1994/08/21 05:27:39 paul Exp */ #ifndef _TCP_VAR_H_ #define _TCP_VAR_H_ #include "tcpip.h" #include "tcp_timer.h" /* * Tcp control block, one per tcp; fields: */ struct tcpcb { struct tcpiphdr *seg_next; /* sequencing queue */ struct tcpiphdr *seg_prev; short t_state; /* state of this connection */ short t_timer[TCPT_NTIMERS]; /* tcp timers */ short t_rxtshift; /* log(2) of rexmt exp. backoff */ short t_rxtcur; /* current retransmit value */ short t_dupacks; /* consecutive dup acks recd */ u_short t_maxseg; /* maximum segment size */ char t_force; /* 1 if forcing out a byte */ u_short t_flags; #define TF_ACKNOW 0x0001 /* ack peer immediately */ #define TF_DELACK 0x0002 /* ack, but try to delay it */ #define TF_NODELAY 0x0004 /* don't delay packets to coalesce */ #define TF_NOOPT 0x0008 /* don't use tcp options */ #define TF_SENTFIN 0x0010 /* have sent FIN */ #define TF_REQ_SCALE 0x0020 /* have/will request window scaling */ #define TF_RCVD_SCALE 0x0040 /* other side has requested scaling */ #define TF_REQ_TSTMP 0x0080 /* have/will request timestamps */ #define TF_RCVD_TSTMP 0x0100 /* a timestamp was received in SYN */ #define TF_SACK_PERMIT 0x0200 /* other side said I could SACK */ struct tcpiphdr t_template; /* static skeletal packet for xmit */ struct socket *t_socket; /* back pointer to socket */ /* * The following fields are used as in the protocol specification. * See RFC783, Dec. 1981, page 21. */ /* send sequence variables */ tcp_seq snd_una; /* send unacknowledged */ tcp_seq snd_nxt; /* send next */ tcp_seq snd_up; /* send urgent pointer */ tcp_seq snd_wl1; /* window update seg seq number */ tcp_seq snd_wl2; /* window update seg ack number */ tcp_seq iss; /* initial send sequence number */ u_int32_t snd_wnd; /* send window */ /* receive sequence variables */ u_int32_t rcv_wnd; /* receive window */ tcp_seq rcv_nxt; /* receive next */ tcp_seq rcv_up; /* receive urgent pointer */ tcp_seq irs; /* initial receive sequence number */ /* * Additional variables for this implementation. */ /* receive variables */ tcp_seq rcv_adv; /* advertised window */ /* retransmit variables */ tcp_seq snd_max; /* highest sequence number sent; * used to recognize retransmits */ /* congestion control (for slow start, source quench, retransmit after loss) */ u_int32_t snd_cwnd; /* congestion-controlled window */ u_int32_t snd_ssthresh; /* snd_cwnd size threshold for * for slow start exponential to * linear switch */ /* * transmit timing stuff. See below for scale of srtt and rttvar. * "Variance" is actually smoothed difference. */ short t_idle; /* inactivity time */ short t_rtt; /* round trip time */ tcp_seq t_rtseq; /* sequence number being timed */ short t_srtt; /* smoothed round-trip time */ short t_rttvar; /* variance in round-trip time */ u_short t_rttmin; /* minimum rtt allowed */ u_int32_t max_sndwnd; /* largest window peer has offered */ /* out-of-band data */ char t_oobflags; /* have some */ char t_iobc; /* input character */ #define TCPOOB_HAVEDATA 0x01 #define TCPOOB_HADDATA 0x02 short t_softerror; /* possible error not yet reported */ /* RFC 1323 variables */ u_char snd_scale; /* window scaling for send window */ u_char rcv_scale; /* window scaling for recv window */ u_char request_r_scale; /* pending window scaling */ u_char requested_s_scale; u_int32_t ts_recent; /* timestamp echo data */ u_int32_t ts_recent_age; /* when last updated */ tcp_seq last_ack_sent; }; #define sototcpcb(so) ((so)->so_tcpcb) /* * The smoothed round-trip time and estimated variance * are stored as fixed point numbers scaled by the values below. * For convenience, these scales are also used in smoothing the average * (smoothed = (1/scale)sample + ((scale-1)/scale)smoothed). * With these scales, srtt has 3 bits to the right of the binary point, * and thus an "ALPHA" of 0.875. rttvar has 2 bits to the right of the * binary point, and is smoothed with an ALPHA of 0.75. */ #define TCP_RTT_SCALE 8 /* multiplier for srtt; 3 bits frac. */ #define TCP_RTT_SHIFT 3 /* shift for srtt; 3 bits frac. */ #define TCP_RTTVAR_SCALE 4 /* multiplier for rttvar; 2 bits */ #define TCP_RTTVAR_SHIFT 2 /* multiplier for rttvar; 2 bits */ /* * The initial retransmission should happen at rtt + 4 * rttvar. * Because of the way we do the smoothing, srtt and rttvar * will each average +1/2 tick of bias. When we compute * the retransmit timer, we want 1/2 tick of rounding and * 1 extra tick because of +-1/2 tick uncertainty in the * firing of the timer. The bias will give us exactly the * 1.5 tick we need. But, because the bias is * statistical, we have to test that we don't drop below * the minimum feasible timer (which is 2 ticks). * This macro assumes that the value of TCP_RTTVAR_SCALE * is the same as the multiplier for rttvar. */ #define TCP_REXMTVAL(tp) \ (((tp)->t_srtt >> TCP_RTT_SHIFT) + (tp)->t_rttvar) #endif vde2-2.3.2+r586/src/slirpvde/tcpip.h0000644000000000000000000000565413614540472013673 0ustar /* * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)tcpip.h 8.1 (Berkeley) 6/10/93 * tcpip.h,v 1.3 1994/08/21 05:27:40 paul Exp */ #ifndef _TCPIP_H_ #define _TCPIP_H_ /* * Tcp+ip header, after ip options removed. */ struct tcpiphdr { struct ipovly ti_i; /* overlaid ip structure */ struct tcphdr ti_t; /* tcp header */ }; #define ti_mbuf ti_i.ih_mbuf.mptr #define ti_x1 ti_i.ih_x1 #define ti_pr ti_i.ih_pr #define ti_len ti_i.ih_len #define ti_src ti_i.ih_src #define ti_dst ti_i.ih_dst #define ti_sport ti_t.th_sport #define ti_dport ti_t.th_dport #define ti_seq ti_t.th_seq #define ti_ack ti_t.th_ack #define ti_x2 ti_t.th_x2 #define ti_off ti_t.th_off #define ti_flags ti_t.th_flags #define ti_win ti_t.th_win #define ti_sum ti_t.th_sum #define ti_urp ti_t.th_urp #define tcpiphdr2qlink(T) ((struct qlink*)(((char*)(T)) - sizeof(struct qlink))) #define qlink2tcpiphdr(Q) ((struct tcpiphdr*)(((char*)(Q)) + sizeof(struct qlink))) #define tcpiphdr_next(T) qlink2tcpiphdr(tcpiphdr2qlink(T)->next) #define tcpiphdr_prev(T) qlink2tcpiphdr(tcpiphdr2qlink(T)->prev) #define tcpfrag_list_first(T) qlink2tcpiphdr((T)->seg_next) #define tcpfrag_list_end(F, T) (tcpiphdr2qlink(F) == (struct qlink*)(T)) #define tcpfrag_list_empty(T) ((T)->seg_next == (struct tcpiphdr*)(T)) /* * Just a clean way to get to the first byte * of the packet */ struct tcpiphdr_2 { struct tcpiphdr dummy; char first_char; }; #endif vde2-2.3.2+r586/src/slirpvde/tftp.c0000644000000000000000000002266613614540472013526 0ustar /* * tftp.c - a simple, read-only tftp server for qemu * * Copyright (c) 2004 Magnus Damm * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include #include "qemu-common.h" static inline int tftp_session_in_use(struct tftp_session *spt) { return (spt->slirp != NULL); } static inline void tftp_session_update(struct tftp_session *spt) { spt->timestamp = curtime; } static void tftp_session_terminate(struct tftp_session *spt) { qemu_free(spt->filename); spt->slirp = NULL; } static int tftp_session_allocate(Slirp *slirp, struct tftp_t *tp) { struct tftp_session *spt; int k; for (k = 0; k < TFTP_SESSIONS_MAX; k++) { spt = &slirp->tftp_sessions[k]; if (!tftp_session_in_use(spt)) goto found; /* sessions time out after 5 inactive seconds */ if ((int)(curtime - spt->timestamp) > 5000) { qemu_free(spt->filename); goto found; } } return -1; found: memset(spt, 0, sizeof(*spt)); memcpy(&spt->client_ip, &tp->ip.ip_src, sizeof(spt->client_ip)); spt->client_port = tp->udp.uh_sport; spt->slirp = slirp; tftp_session_update(spt); return k; } static int tftp_session_find(Slirp *slirp, struct tftp_t *tp) { struct tftp_session *spt; int k; for (k = 0; k < TFTP_SESSIONS_MAX; k++) { spt = &slirp->tftp_sessions[k]; if (tftp_session_in_use(spt)) { if (!memcmp(&spt->client_ip, &tp->ip.ip_src, sizeof(spt->client_ip))) { if (spt->client_port == tp->udp.uh_sport) { return k; } } } } return -1; } static int tftp_read_data(struct tftp_session *spt, u_int16_t block_nr, u_int8_t *buf, int len) { int fd; int bytes_read = 0; fd = open(spt->filename, O_RDONLY | O_BINARY); if (fd < 0) { return -1; } if (len) { lseek(fd, block_nr * 512, SEEK_SET); bytes_read = read(fd, buf, len); } close(fd); return bytes_read; } static int tftp_send_oack(struct tftp_session *spt, const char *key, uint32_t value, struct tftp_t *recv_tp) { struct sockaddr_in saddr, daddr; struct mbuf *m; struct tftp_t *tp; int n = 0; m = m_get(spt->slirp); if (!m) return -1; memset(m->m_data, 0, m->m_size); m->m_data += IF_MAXLINKHDR; tp = (void *)m->m_data; m->m_data += sizeof(struct udpiphdr); tp->tp_op = htons(TFTP_OACK); n += snprintf((char *)tp->x.tp_buf + n, sizeof(tp->x.tp_buf) - n, "%s", key) + 1; n += snprintf((char *)tp->x.tp_buf + n, sizeof(tp->x.tp_buf) - n, "%u", value) + 1; saddr.sin_addr = recv_tp->ip.ip_dst; saddr.sin_port = recv_tp->udp.uh_dport; daddr.sin_addr = spt->client_ip; daddr.sin_port = spt->client_port; m->m_len = sizeof(struct tftp_t) - 514 + n - sizeof(struct ip) - sizeof(struct udphdr); udp_output2(NULL, m, &saddr, &daddr, IPTOS_LOWDELAY); return 0; } static void tftp_send_error(struct tftp_session *spt, u_int16_t errorcode, const char *msg, struct tftp_t *recv_tp) { struct sockaddr_in saddr, daddr; struct mbuf *m; struct tftp_t *tp; m = m_get(spt->slirp); if (!m) { goto out; } memset(m->m_data, 0, m->m_size); m->m_data += IF_MAXLINKHDR; tp = (void *)m->m_data; m->m_data += sizeof(struct udpiphdr); tp->tp_op = htons(TFTP_ERROR); tp->x.tp_error.tp_error_code = htons(errorcode); pstrcpy((char *)tp->x.tp_error.tp_msg, sizeof(tp->x.tp_error.tp_msg), msg); saddr.sin_addr = recv_tp->ip.ip_dst; saddr.sin_port = recv_tp->udp.uh_dport; daddr.sin_addr = spt->client_ip; daddr.sin_port = spt->client_port; m->m_len = sizeof(struct tftp_t) - 514 + 3 + strlen(msg) - sizeof(struct ip) - sizeof(struct udphdr); udp_output2(NULL, m, &saddr, &daddr, IPTOS_LOWDELAY); out: tftp_session_terminate(spt); } static int tftp_send_data(struct tftp_session *spt, u_int16_t block_nr, struct tftp_t *recv_tp) { struct sockaddr_in saddr, daddr; struct mbuf *m; struct tftp_t *tp; int nobytes; if (block_nr < 1) { return -1; } m = m_get(spt->slirp); if (!m) { return -1; } memset(m->m_data, 0, m->m_size); m->m_data += IF_MAXLINKHDR; tp = (void *)m->m_data; m->m_data += sizeof(struct udpiphdr); tp->tp_op = htons(TFTP_DATA); tp->x.tp_data.tp_block_nr = htons(block_nr); saddr.sin_addr = recv_tp->ip.ip_dst; saddr.sin_port = recv_tp->udp.uh_dport; daddr.sin_addr = spt->client_ip; daddr.sin_port = spt->client_port; nobytes = tftp_read_data(spt, block_nr - 1, tp->x.tp_data.tp_buf, 512); if (nobytes < 0) { m_free(m); /* send "file not found" error back */ tftp_send_error(spt, 1, "File not found", tp); return -1; } m->m_len = sizeof(struct tftp_t) - (512 - nobytes) - sizeof(struct ip) - sizeof(struct udphdr); udp_output2(NULL, m, &saddr, &daddr, IPTOS_LOWDELAY); if (nobytes == 512) { tftp_session_update(spt); } else { tftp_session_terminate(spt); } return 0; } static void tftp_handle_rrq(Slirp *slirp, struct tftp_t *tp, int pktlen) { struct tftp_session *spt; int s, k; size_t prefix_len; char *req_fname; /* check if a session already exists and if so terminate it */ s = tftp_session_find(slirp, tp); if (s >= 0) { tftp_session_terminate(&slirp->tftp_sessions[s]); } s = tftp_session_allocate(slirp, tp); if (s < 0) { return; } spt = &slirp->tftp_sessions[s]; /* unspecifed prefix means service disabled */ if (!slirp->tftp_prefix) { tftp_send_error(spt, 2, "Access violation", tp); return; } /* skip header fields */ k = 0; pktlen -= ((uint8_t *)&tp->x.tp_buf[0] - (uint8_t *)tp); /* prepend tftp_prefix */ prefix_len = strlen(slirp->tftp_prefix); spt->filename = qemu_malloc(prefix_len + TFTP_FILENAME_MAX + 2); memcpy(spt->filename, slirp->tftp_prefix, prefix_len); spt->filename[prefix_len] = '/'; /* get name */ req_fname = spt->filename + prefix_len + 1; while (1) { if (k >= TFTP_FILENAME_MAX || k >= pktlen) { tftp_send_error(spt, 2, "Access violation", tp); return; } req_fname[k] = (char)tp->x.tp_buf[k]; if (req_fname[k++] == '\0') { break; } } /* check mode */ if ((pktlen - k) < 6) { tftp_send_error(spt, 2, "Access violation", tp); return; } if (memcmp(&tp->x.tp_buf[k], "octet\0", 6) != 0) { tftp_send_error(spt, 4, "Unsupported transfer mode", tp); return; } k += 6; /* skipping octet */ /* do sanity checks on the filename */ if (!strncmp(req_fname, "../", 3) || req_fname[strlen(req_fname) - 1] == '/' || strstr(req_fname, "/../")) { tftp_send_error(spt, 2, "Access violation", tp); return; } /* check if the file exists */ if (tftp_read_data(spt, 0, NULL, 0) < 0) { tftp_send_error(spt, 1, "File not found", tp); return; } if (tp->x.tp_buf[pktlen - 1] != 0) { tftp_send_error(spt, 2, "Access violation", tp); return; } while (k < pktlen) { const char *key, *value; key = (const char *)&tp->x.tp_buf[k]; k += strlen(key) + 1; if (k >= pktlen) { tftp_send_error(spt, 2, "Access violation", tp); return; } value = (const char *)&tp->x.tp_buf[k]; k += strlen(value) + 1; if (strcmp(key, "tsize") == 0) { int tsize = atoi(value); struct stat stat_p; if (tsize == 0) { if (stat(spt->filename, &stat_p) == 0) tsize = stat_p.st_size; else { tftp_send_error(spt, 1, "File not found", tp); return; } } tftp_send_oack(spt, "tsize", tsize, tp); return; } } tftp_send_data(spt, 1, tp); } static void tftp_handle_ack(Slirp *slirp, struct tftp_t *tp, int pktlen) { int s; s = tftp_session_find(slirp, tp); if (s < 0) { return; } if (tftp_send_data(&slirp->tftp_sessions[s], ntohs(tp->x.tp_data.tp_block_nr) + 1, tp) < 0) { return; } } static void tftp_handle_error(Slirp *slirp, struct tftp_t *tp, int pktlen) { int s; s = tftp_session_find(slirp, tp); if (s < 0) { return; } tftp_session_terminate(&slirp->tftp_sessions[s]); } void tftp_input(struct mbuf *m) { struct tftp_t *tp = (struct tftp_t *)m->m_data; switch(ntohs(tp->tp_op)) { case TFTP_RRQ: tftp_handle_rrq(m->slirp, tp, m->m_len); break; case TFTP_ACK: tftp_handle_ack(m->slirp, tp, m->m_len); break; case TFTP_ERROR: tftp_handle_error(m->slirp, tp, m->m_len); break; } } vde2-2.3.2+r586/src/slirpvde/tftp.h0000644000000000000000000000130413614540472013515 0ustar /* tftp defines */ #define TFTP_SESSIONS_MAX 3 #define TFTP_SERVER 69 #define TFTP_RRQ 1 #define TFTP_WRQ 2 #define TFTP_DATA 3 #define TFTP_ACK 4 #define TFTP_ERROR 5 #define TFTP_OACK 6 #define TFTP_FILENAME_MAX 512 struct tftp_t { struct ip ip; struct udphdr udp; u_int16_t tp_op; union { struct { u_int16_t tp_block_nr; u_int8_t tp_buf[512]; } tp_data; struct { u_int16_t tp_error_code; u_int8_t tp_msg[512]; } tp_error; u_int8_t tp_buf[512 + 2]; } x; }; struct tftp_session { Slirp *slirp; char *filename; struct in_addr client_ip; u_int16_t client_port; int timestamp; }; void tftp_input(struct mbuf *m); vde2-2.3.2+r586/src/slirpvde/udp.c0000644000000000000000000002263213614540472013332 0ustar /* * Copyright (c) 1982, 1986, 1988, 1990, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)udp_usrreq.c 8.4 (Berkeley) 1/21/94 * udp_usrreq.c,v 1.4 1994/10/02 17:48:45 phk Exp */ /* * Changes and additions relating to SLiRP * Copyright (c) 1995 Danny Gasparovski. * * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ #include #include "ip_icmp.h" static u_int8_t udp_tos(struct socket *so); void udp_init(Slirp *slirp) { slirp->udb.so_next = slirp->udb.so_prev = &slirp->udb; slirp->udp_last_so = &slirp->udb; } /* m->m_data points at ip packet header * m->m_len length ip packet * ip->ip_len length data (IPDU) */ void udp_input(struct mbuf *m, int iphlen) { Slirp *slirp = m->slirp; struct ip *ip; struct udphdr *uh; int len; struct ip save_ip; struct socket *so; DEBUG_CALL("udp_input"); DEBUG_ARG("m = %lx", (long)m); DEBUG_ARG("iphlen = %d", iphlen); /* * Strip IP options, if any; should skip this, * make available to user, and use on returned packets, * but we don't yet have a way to check the checksum * with options still present. */ if(iphlen > sizeof(struct ip)) { ip_stripoptions(m, (struct mbuf *)0); iphlen = sizeof(struct ip); } /* * Get IP and UDP header together in first mbuf. */ ip = mtod(m, struct ip *); uh = (struct udphdr *)((caddr_t)ip + iphlen); /* * Make mbuf data length reflect UDP length. * If not enough data to reflect UDP length, drop. */ len = ntohs((u_int16_t)uh->uh_ulen); if (ip->ip_len != len) { if (len > ip->ip_len) { goto bad; } m_adj(m, len - ip->ip_len); ip->ip_len = len; } /* * Save a copy of the IP header in case we want restore it * for sending an ICMP error message in response. */ save_ip = *ip; save_ip.ip_len+= iphlen; /* tcp_input subtracts this */ /* * Checksum extended UDP header and data. */ if (uh->uh_sum) { memset(&((struct ipovly *)ip)->ih_mbuf, 0, sizeof(struct mbuf_ptr)); ((struct ipovly *)ip)->ih_x1 = 0; ((struct ipovly *)ip)->ih_len = uh->uh_ulen; if(cksum(m, len + sizeof(struct ip))) { goto bad; } } /* * handle DHCP/BOOTP */ if (ntohs(uh->uh_dport) == BOOTP_SERVER #ifdef VDE && (slirp->vdhcp_startaddr.s_addr != 0) #endif ) { bootp_input(m); goto bad; } if (slirp->restricted) { goto bad; } /* * handle TFTP */ if (ntohs(uh->uh_dport) == TFTP_SERVER) { tftp_input(m); goto bad; } /* * Locate pcb for datagram. */ so = slirp->udp_last_so; if (so->so_lport != uh->uh_sport || so->so_laddr.s_addr != ip->ip_src.s_addr) { struct socket *tmp; for (tmp = slirp->udb.so_next; tmp != &slirp->udb; tmp = tmp->so_next) { if (tmp->so_lport == uh->uh_sport && tmp->so_laddr.s_addr == ip->ip_src.s_addr) { so = tmp; break; } } if (tmp == &slirp->udb) { so = NULL; } else { slirp->udp_last_so = so; } } if (so == NULL) { /* * If there's no socket for this packet, * create one */ so = socreate(slirp); if (!so) { goto bad; } if(udp_attach(so) == -1) { DEBUG_MISC((dfd," udp_attach errno = %d-%s\n", errno,strerror(errno))); sofree(so); goto bad; } /* * Setup fields */ so->so_laddr = ip->ip_src; so->so_lport = uh->uh_sport; if ((so->so_iptos = udp_tos(so)) == 0) so->so_iptos = ip->ip_tos; /* * XXXXX Here, check if it's in udpexec_list, * and if it is, do the fork_exec() etc. */ } so->so_faddr = ip->ip_dst; /* XXX */ so->so_fport = uh->uh_dport; /* XXX */ iphlen += sizeof(struct udphdr); m->m_len -= iphlen; m->m_data += iphlen; /* * Now we sendto() the packet. */ if(sosendto(so,m) == -1) { m->m_len += iphlen; m->m_data -= iphlen; *ip=save_ip; DEBUG_MISC((dfd,"udp tx errno = %d-%s\n",errno,strerror(errno))); icmp_error(m, ICMP_UNREACH,ICMP_UNREACH_NET, 0,strerror(errno)); } m_free(so->so_m); /* used for ICMP if error on sorecvfrom */ /* restore the orig mbuf packet */ m->m_len += iphlen; m->m_data -= iphlen; *ip=save_ip; so->so_m=m; /* ICMP backup */ return; bad: m_freem(m); return; } int udp_output2(struct socket *so, struct mbuf *m, struct sockaddr_in *saddr, struct sockaddr_in *daddr, int iptos) { struct udpiphdr *ui; int error = 0; DEBUG_CALL("udp_output"); DEBUG_ARG("so = %lx", (long)so); DEBUG_ARG("m = %lx", (long)m); DEBUG_ARG("saddr = %lx", (long)saddr->sin_addr.s_addr); DEBUG_ARG("daddr = %lx", (long)daddr->sin_addr.s_addr); /* * Adjust for header */ m->m_data -= sizeof(struct udpiphdr); m->m_len += sizeof(struct udpiphdr); /* * Fill in mbuf with extended UDP header * and addresses and length put into network format. */ ui = mtod(m, struct udpiphdr *); memset(&ui->ui_i.ih_mbuf, 0 , sizeof(struct mbuf_ptr)); ui->ui_x1 = 0; ui->ui_pr = IPPROTO_UDP; ui->ui_len = htons(m->m_len - sizeof(struct ip)); /* XXXXX Check for from-one-location sockets, or from-any-location sockets */ ui->ui_src = saddr->sin_addr; ui->ui_dst = daddr->sin_addr; ui->ui_sport = saddr->sin_port; ui->ui_dport = daddr->sin_port; ui->ui_ulen = ui->ui_len; /* * Stuff checksum and output datagram. */ ui->ui_sum = 0; if ((ui->ui_sum = cksum(m, m->m_len)) == 0) ui->ui_sum = 0xffff; ((struct ip *)ui)->ip_len = m->m_len; ((struct ip *)ui)->ip_ttl = IPDEFTTL; ((struct ip *)ui)->ip_tos = iptos; error = ip_output(so, m); return (error); } int udp_output(struct socket *so, struct mbuf *m, struct sockaddr_in *addr) { Slirp *slirp = so->slirp; struct sockaddr_in saddr, daddr; saddr = *addr; if ((so->so_faddr.s_addr & slirp->vnetwork_mask.s_addr) == slirp->vnetwork_addr.s_addr) { uint32_t inv_mask = ~slirp->vnetwork_mask.s_addr; if ((so->so_faddr.s_addr & inv_mask) == inv_mask) { saddr.sin_addr = slirp->vhost_addr; } else if (addr->sin_addr.s_addr == loopback_addr.s_addr || so->so_faddr.s_addr != slirp->vhost_addr.s_addr) { saddr.sin_addr = so->so_faddr; } } daddr.sin_addr = so->so_laddr; daddr.sin_port = so->so_lport; return udp_output2(so, m, &saddr, &daddr, so->so_iptos); } int udp_attach(struct socket *so) { if((so->s = qemu_socket(AF_INET,SOCK_DGRAM,0)) != -1) { so->so_expire = curtime + SO_EXPIRE; insque(so, &so->slirp->udb); } return(so->s); } void udp_detach(struct socket *so) { closesocket(so->s); sofree(so); } static const struct tos_t udptos[] = { {0, 53, IPTOS_LOWDELAY, 0}, /* DNS */ {0, 0, 0, 0} }; static u_int8_t udp_tos(struct socket *so) { int i = 0; while(udptos[i].tos) { if ((udptos[i].fport && ntohs(so->so_fport) == udptos[i].fport) || (udptos[i].lport && ntohs(so->so_lport) == udptos[i].lport)) { so->so_emu = udptos[i].emu; return udptos[i].tos; } i++; } return 0; } struct socket * udp_listen(Slirp *slirp, u_int32_t haddr, u_int hport, u_int32_t laddr, u_int lport, int flags) { struct sockaddr_in addr; struct socket *so; socklen_t addrlen = sizeof(struct sockaddr_in), opt = 1; so = socreate(slirp); if (!so) { return NULL; } so->s = qemu_socket(AF_INET,SOCK_DGRAM,0); so->so_expire = curtime + SO_EXPIRE; insque(so, &slirp->udb); addr.sin_family = AF_INET; addr.sin_addr.s_addr = haddr; addr.sin_port = hport; if (bind(so->s,(struct sockaddr *)&addr, addrlen) < 0) { udp_detach(so); return NULL; } setsockopt(so->s,SOL_SOCKET,SO_REUSEADDR,(char *)&opt,sizeof(int)); getsockname(so->s,(struct sockaddr *)&addr,&addrlen); so->so_fport = addr.sin_port; if (addr.sin_addr.s_addr == 0 || addr.sin_addr.s_addr == loopback_addr.s_addr) { so->so_faddr = slirp->vhost_addr; } else { so->so_faddr = addr.sin_addr; } so->so_lport = lport; so->so_laddr.s_addr = laddr; if (flags != SS_FACCEPTONCE) so->so_expire = 0; so->so_state &= SS_PERSISTENT_MASK; so->so_state |= SS_ISFCONNECTED | flags; return so; } vde2-2.3.2+r586/src/slirpvde/udp.h0000644000000000000000000000616713614540472013344 0ustar /* * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)udp.h 8.1 (Berkeley) 6/10/93 * udp.h,v 1.3 1994/08/21 05:27:41 paul Exp */ #ifndef _UDP_H_ #define _UDP_H_ #define UDP_TTL 0x60 #define UDP_UDPDATALEN 16192 /* * Udp protocol header. * Per RFC 768, September, 1981. */ struct udphdr { u_int16_t uh_sport; /* source port */ u_int16_t uh_dport; /* destination port */ int16_t uh_ulen; /* udp length */ u_int16_t uh_sum; /* udp checksum */ }; /* * UDP kernel structures and variables. */ struct udpiphdr { struct ipovly ui_i; /* overlaid ip structure */ struct udphdr ui_u; /* udp header */ }; #define ui_mbuf ui_i.ih_mbuf.mptr #define ui_x1 ui_i.ih_x1 #define ui_pr ui_i.ih_pr #define ui_len ui_i.ih_len #define ui_src ui_i.ih_src #define ui_dst ui_i.ih_dst #define ui_sport ui_u.uh_sport #define ui_dport ui_u.uh_dport #define ui_ulen ui_u.uh_ulen #define ui_sum ui_u.uh_sum /* * Names for UDP sysctl objects */ #define UDPCTL_CHECKSUM 1 /* checksum UDP packets */ #define UDPCTL_MAXID 2 struct mbuf; void udp_init(Slirp *); void udp_input(struct mbuf *, int); int udp_output(struct socket *, struct mbuf *, struct sockaddr_in *); int udp_attach(struct socket *); void udp_detach(struct socket *); struct socket * udp_listen(Slirp *, u_int32_t, u_int, u_int32_t, u_int, int); int udp_output2(struct socket *so, struct mbuf *m, struct sockaddr_in *saddr, struct sockaddr_in *daddr, int iptos); #endif vde2-2.3.2+r586/src/unixcmd.c0000644000000000000000000000542513614540472012362 0ustar /* * Copyright (C) 2007 - Renzo Davoli, Luca Bigliardi * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include void usage(char *progname){ /* TODO: write it better */ printf("Usage: %s OPTIONS command\n", progname); printf("\t-s sockname management socket path (default is %s/%s)\n", VDE_SOCK_DIR, basename(progname)); printf("\t-f rcfile configuration path (default is %s/%s)\n", VDE_RC_DIR, basename(progname)); printf("\t-v run parse machine in debug mode\n"); } int main(int argc,char *argv[]) { struct sockaddr_un sun; int fd, rv; char *rcfile=NULL; char *sockname=NULL; int debug=0; struct utm *utm; struct utm_out *outbuf; struct utm_buf parsebuf; int option_index = 0; static struct option long_options[] = { {"rcfile", 1, 0, 'f'}, {"sock", 1, 0, 's'}, {"verbose", 0, 0, 'v'}, }; int c; while ((c=getopt_long (argc, argv, "f:s:v", long_options, &option_index)) >= 0) { switch (c) { case 'f': rcfile=strdup(optarg); break; case 's': sockname=strdup(optarg); break; case 'v': debug=1; break; } } if(argc-optind == 0){ usage(argv[0]); return -1; } if (!rcfile) asprintf(&rcfile,"%s/%s",VDE_RC_DIR,basename(argv[0])); if( (utm=utm_alloc(rcfile)) == NULL ) { perror("alloc parse machine"); usage(argv[0]); return -1;} if (!sockname) asprintf(&sockname,"%s/%s",VDE_SOCK_DIR,basename(argv[0])); sun.sun_family=PF_UNIX; snprintf(sun.sun_path,sizeof(sun.sun_path),"%s",sockname); fd=socket(PF_UNIX,SOCK_STREAM,0); if(fcntl(fd, F_SETFL, O_NONBLOCK) < 0){ perror("nonblock"); return -1; } if( connect(fd,(struct sockaddr *)(&sun),sizeof(sun)) ){ perror("connect"); return -1; } memset(&parsebuf, 0, sizeof(struct utm_buf)); outbuf=utmout_alloc(); rv=utm_run(utm,&parsebuf,fd,argc-optind,argv+optind,outbuf,debug); if(outbuf->sz) write(1, outbuf->buf, outbuf->sz); utmout_free(outbuf); close(fd); return rv; } vde2-2.3.2+r586/src/unixterm.c0000644000000000000000000000220713614540472012561 0ustar /* Copyright 2005 Renzo Davoli VDE-2 * Licensed under the GPLv2 * * Minimal terminal emulator on a UNIX stream socket */ #include #include #include #include #include #include #include #include #include #define BUFSIZE 1024 char buf[BUFSIZE]; int main(int argc,char *argv[]) { struct sockaddr_un sun; int fd; int rv; static struct pollfd pfd[]={ {STDIN_FILENO,POLLIN | POLLHUP,0}, {STDIN_FILENO,POLLIN | POLLHUP,0}}; static int fileout[]={STDOUT_FILENO,STDOUT_FILENO}; sun.sun_family=PF_UNIX; snprintf(sun.sun_path,sizeof(sun.sun_path),"%s",argv[1]); if((fd=socket(PF_UNIX,SOCK_STREAM,0))<0) { perror("Socket opening error"); exit(-1); } if ((rv=connect(fd,(struct sockaddr *)(&sun),sizeof(sun))) < 0) { perror("Socket connecting error"); exit(-1); } pfd[1].fd=fileout[0]=fd; while(1) { int m,i,n=poll(pfd,2,-1); for(i=0;n>0;i++) { if(pfd[i].revents & POLLHUP) exit(0); if(pfd[i].revents & POLLIN) { n--; if((m=read(pfd[i].fd,buf,BUFSIZE)) == 0) exit(0); write(fileout[i],buf,m); } } } } vde2-2.3.2+r586/src/vde_autolink.c0000644000000000000000000010167113614540472013377 0ustar /* * Copyright (C) 2007 - Luca Bigliardi * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define STDRCFILE "/etc/vde2/vde_autolink.rc" #define MAXCONS 4 #define MGMTMODEARG 129 #define MAXPORTS 256 #define FSTPDBG_PADD "fstp/+" #define FSTPDBG_PDEL "fstp/-" #define FSTPDBG_STAT "fstp/status" #define MAXCMD 128 #define BUFSIZE 1024 #define CHANGEWIRETIME 8 #define SLEEPWIRETIME 30 #define SCHED_TRY 60 #define SCHED_LONGTRY 120 #define SCHED_CHECK 30 #define ST_DISCARD 0 #define ST_ACTIVE 1 char *progname = NULL; char *mgmt = NULL; int mgmtmode = 0700; char *vdeswitch = NULL; char *switchmgmt = NULL; int daemonize = 0; char *rcfile = NULL; char *pidfile = NULL; char pidfile_path[PATH_MAX]; struct pollfd pfd[MAXCONS]; int logok=0; struct vdemgmt* vdemgmt=NULL; int polltimeout=-1; static int runscript(int fd,char *path); static char prompt[]="\nVDEal$ "; static char header[]="\nVDE autolink V.%s\n(C) L.Bigliardi 2007 - GPLv2\n"; static char *myport = "$myport"; static char *mysock = "$mysock"; static char *myhost = "$remotehost"; struct wire { char *type; char *cmd; struct wire *next; }; struct alwire { char *type; char *cmd; time_t try; time_t oldtry; struct alwire *next; }; struct autolink { char *name; /* alink name */ char **hosts; /* list of remote hosts */ unsigned int portno; /* number of switch port */ int enabled; /* flag for active */ int state; /* link status */ int connhost; /* current remote host to connect to */ struct alwire *connwire; /* current type of wire we try to use */ int wirepid; /* pid of wire, -1 if no up */ struct alwire **wires; /* list of wire types to use */ struct autolink *next; }; static struct wire *av_wires = NULL; static struct autolink *alinks = NULL; struct job{ void (*f)(struct autolink *al); time_t time; struct autolink *al; struct job *n; }; static struct job *jq = NULL; /* Generic utils (from vde framework) */ void printlog(int priority, const char *format, ...) { va_list arg; va_start (arg, format); if (logok) vsyslog(priority,format,arg); else { fprintf(stderr,"%s: ",progname); vfprintf(stderr,format,arg); fprintf(stderr,"\n"); } va_end (arg); } void printoutc(int fd, const char *format, ...) { va_list arg; char outbuf[MAXCMD+1]; va_start (arg, format); vsnprintf(outbuf,MAXCMD,format,arg); strcat(outbuf,"\n"); write(fd,outbuf,strlen(outbuf)); } void port_dispose(int p); static void cleanup(void) { int tmppid; struct autolink *curlink = alinks; /* kill every link */ while(curlink){ port_dispose(curlink->portno); if ( (tmppid = curlink->wirepid) != -1) { curlink->wirepid = -1; kill(tmppid, SIGQUIT); } curlink = curlink->next; } /* close management connections */ if (mgmt) unlink(mgmt); if (vdemgmt) { vdemgmt_asyncunreg(vdemgmt, FSTPDBG_PADD); vdemgmt_asyncunreg(vdemgmt, FSTPDBG_PDEL); vdemgmt_asyncunreg(vdemgmt, FSTPDBG_STAT); vdemgmt_close(vdemgmt); } } static void sig_handler(int sig) { /*fprintf(stderr,"Caught signal %d, cleaning up and exiting", sig);*/ cleanup(); signal(sig, SIG_DFL); if (sig == SIGTERM) _exit(0); else kill(getpid(), sig); } struct autolink *find_alink_pid(int pid); static void catch_zombies(int signo) { int status; struct autolink *a; if( (a=find_alink_pid(wait(&status))) ) a->wirepid = -1; } static void setsighandlers() { /* setting signal handlers. * sets clean termination for SIGHUP, SIGINT and SIGTERM, and simply * ignores all the others signals which could cause termination. */ struct { int sig; const char *name; int ignore; } signals[] = { { SIGHUP, "SIGHUP", 0 }, { SIGINT, "SIGINT", 0 }, { SIGPIPE, "SIGPIPE", 1 }, { SIGALRM, "SIGALRM", 1 }, { SIGTERM, "SIGTERM", 0 }, { SIGUSR1, "SIGUSR1", 1 }, { SIGUSR2, "SIGUSR2", 1 }, { SIGPROF, "SIGPROF", 1 }, { SIGVTALRM, "SIGVTALRM", 1 }, #ifdef VDE_LINUX { SIGPOLL, "SIGPOLL", 1 }, #ifdef SIGSTKFLT { SIGSTKFLT, "SIGSTKFLT", 1 }, #endif { SIGIO, "SIGIO", 1 }, { SIGPWR, "SIGPWR", 1 }, #ifdef SIGUNUSED { SIGUNUSED, "SIGUNUSED", 1 }, #endif #endif #ifdef VDE_DARWIN { SIGXCPU, "SIGXCPU", 1 }, { SIGXFSZ, "SIGXFSZ", 1 }, #endif { 0, NULL, 0 } }; int i; for(i = 0; signals[i].sig != 0; i++) if(signal(signals[i].sig, signals[i].ignore ? SIG_IGN : sig_handler) < 0) printlog(LOG_ERR,"Setting handler for %s: %s", signals[i].name, strerror(errno)); signal(SIGCHLD,catch_zombies); } /* Autolink Utils */ struct wire *find_wire(char *type) { struct wire *curwire = av_wires; while(curwire){ if(!strcmp(curwire->type, type)) return curwire; curwire = curwire->next; } return NULL; } struct alwire *find_alwire(char *type, struct autolink *alink) { struct alwire *curalwire = alink->wires[0]; /* each wires[i] has same types */ while(curalwire){ if(!strcmp(curalwire->type, type)) return curalwire; curalwire = curalwire->next; } return NULL; } struct autolink *find_alink_port(int port) { struct autolink *curlink = alinks; while(curlink){ if( curlink->portno == port ) return curlink; curlink = curlink->next; } return NULL; } struct autolink *find_alink_pid(int pid) { struct autolink *curlink = alinks; while(curlink){ if(curlink->wirepid == pid ) return curlink; curlink = curlink->next; } return NULL; } struct autolink *find_alink(char *name) { struct autolink *curlink = alinks; while(curlink){ if(!strcmp(curlink->name, name)) return curlink; curlink = curlink->next; } return NULL; } struct autolink *alink_exists(struct autolink *al) { struct autolink *c = alinks; while(c){ if (c == al) return c; c = c->next; } return NULL; } int port_reserve(void) { int p; char cmd[strlen("port/create")+5]; for(p=1; p <= MAXPORTS ; p++){ sprintf(cmd, "port/create %d", p); if(!vdemgmt_sendcmd(vdemgmt, cmd, NULL)) return p; } return -1; } void port_dispose(int p) { char cmd[strlen("port/remove")+5]; sprintf(cmd, "port/remove %d", p); vdemgmt_sendcmd(vdemgmt, cmd, NULL); } char *strrplc(char **s, char *old, char *new) { /* create new string (free old) replacing old with new */ char *limit, *new_s, *old_s; int slen, oldlen, newlen, headlen, diff, taillen = 0; old_s = *s; slen=strlen(old_s); oldlen=strlen(old); newlen=strlen(new); limit = strstr(old_s, old); if ( limit == NULL ) return NULL; headlen = (int)(limit - old_s); diff = newlen - oldlen; taillen = slen - ( headlen + oldlen ); if( (new_s=(char *)malloc(slen+diff+1)) == NULL) return NULL; snprintf(new_s, headlen+1, "%s", old_s); snprintf(new_s+headlen, newlen+1, "%s", new); snprintf(new_s+headlen+newlen, taillen+1, "%s", old_s+headlen+oldlen); *s = new_s; return new_s; } void alink_connect(struct autolink *link) { char *token, *dupcmd, **myargv = NULL; int count=0, s[2], sdata=1; if(!link->connwire){ printlog(LOG_ERR, "alink_connect null connwire"); exit(1); } printlog(LOG_NOTICE,"[%s] connecting wire: %s to %s", link->name, link->connwire->type, link->hosts[link->connhost]); for( dupcmd=strdup(link->connwire->cmd) ; ; dupcmd=NULL){ token = strtok(dupcmd, " "); myargv=realloc(myargv, (count+1)*sizeof(char *)); if(!myargv) exit(1); myargv[count]=token; if( !token ) break; count++; }; if( socketpair(AF_UNIX, SOCK_STREAM, 0, s) ) exit(1); if( (link->wirepid = fork()) == 0 ){ /* parent goes first, otherwise pid may be lost */ read(s[1],&sdata,sizeof(int)); close(s[0]); close(s[1]); execvp(myargv[0], myargv); /* TODO: handle return from execvp */ } else { write(s[0],&sdata,sizeof(int)); close(s[0]); close(s[1]); } } void insert_job(void (*f)(struct autolink *al), struct autolink *al, int gap) { struct job *j=jq, *pj=jq, *nj; time_t now; /* remove other jobs for same alink, if any */ while(j){ if (al == j->al) { if (jq == j) jq=j->n; else pj->n=j->n; free(j); } pj = j; j = j->n; } /* insert job, ordered by time */ if ((nj=(struct job *)malloc(sizeof(struct job))) == NULL){ printlog(LOG_ERR, "%s, cannot alloc new job", __FUNCTION__); exit(-1); } time(&now); nj->f=f; nj->time=now+gap; nj->al=al; nj->n=NULL; if(jq == NULL){ jq = nj; return; } j = pj = jq; while(j){ if (j->time > nj->time){ if (jq == j){ jq = nj; jq->n = j; } else { pj->n = nj; nj->n = j; } return; } pj = j; j = j->n; } } struct job *extract_job() { struct job *j = jq; jq=jq->n; return j; } /* Async functions and handlers */ void alink_try(struct autolink *al); void alink_check(struct autolink *al) { if (al->state != ST_ACTIVE){ printlog(LOG_NOTICE, "[%s] check failed, scheduled new wire connection", al->name); kill(al->wirepid, SIGQUIT); insert_job(alink_try, al, SCHED_TRY); } else printlog(LOG_NOTICE, "[%s] check passed", al->name); } void alink_try(struct autolink *al) { time_t now; time(&now); /* change wire if died too fast, * try hosts in round robin */ if(al->connwire->try > (now - CHANGEWIRETIME)){ if(!al->connwire->next){ al->connhost++; if( al->hosts[al->connhost] == NULL ) al->connhost = 0; al->connwire = al->wires[al->connhost]; } else { al->connwire = al->connwire->next; } printlog(LOG_NOTICE, "[%s] try next wire: %s (%s)", al->name, al->connwire->type, al->hosts[al->connhost]); /* suspend autolink if cycled too fast */ if(al->connwire->oldtry > (now - SLEEPWIRETIME)){ printlog(LOG_NOTICE, "[%s], go suspend", al->name); insert_job(alink_try, al, SCHED_LONGTRY); return; } } al->connwire->oldtry = al->connwire->try; al->connwire->try = now; alink_connect(al); insert_job(alink_check, al, SCHED_CHECK); } void ah_padd(const char *event, int tag, const char *data) { int port; char *s; struct autolink *al; for( s = (char *)data ; *s != ' ' ; s++); s++; port=atoi(s); al = find_alink_port(port); if (!al || !al->enabled) return; printlog(LOG_NOTICE, "[%s] received %s for port %d", al->name, event, port); if (al->state == ST_DISCARD){ al->state = ST_ACTIVE; printlog(LOG_NOTICE, "[%s] state change, discard -> active", al->name); } } void ah_pdel(const char *event, int tag, const char *data) { int port; char *s; struct autolink *al; for( s = (char *)data ; *s != ' ' ; s++); s++; port=atoi(s); al = find_alink_port(port); if (!al || !al->enabled) return; printlog(LOG_NOTICE, "[%s] received %s for port %d", al->name, event, port); if (al->state == ST_ACTIVE){ al->state = ST_DISCARD; printlog(LOG_NOTICE, "[%s] state change, active -> discard", al->name); if(al->wirepid != -1) kill(al->wirepid, SIGQUIT); printlog(LOG_NOTICE, "[%s] scheduled new wire connection"); insert_job(alink_try, al, SCHED_TRY); } } void ah_state(const char *event, int tag, const char *data) { int port; char *s; struct autolink *al; for( s = (char *)data ; *s != ' ' ; s++); s++; port=atoi(s); al = find_alink_port(port); if (!al || !al->enabled) return; printlog(LOG_NOTICE, "[%s] received %s for port %d", al->name, event, port); if (strstr(data, "learning+forwarding") && (al->state == ST_DISCARD)){ al->state = ST_ACTIVE; printlog(LOG_NOTICE, "[%s] state change, discard -> active", al->name); return; } if (strstr(data, "discarding") && (al->state == ST_ACTIVE)){ al->state = ST_DISCARD; printlog(LOG_NOTICE, "[%s] state change, active -> discard", al->name); return; } } /* MGMT functions */ int jobsqueue(int fd, char *arg) { time_t now; struct job *j; if(!jq){ printoutc(fd, "jobs queue is empty"); return 0; } time(&now); j = jq; while (j){ printoutc(fd, "TIME: %d, ACTION: %s, LINK: %s", j->time - now, (j->f == alink_try) ? "try " : "check", j->al->name); j = j->n; } printoutc(fd, ""); return 0; } int alinklinkonoff(int fd, char *arg) { char *endname, *name; int namelen, vallen, value; struct autolink *curlink; /* check if we have name and type */ endname = strstr(arg, " "); namelen = (int)(endname - arg); if( namelen <= 0 ) return EINVAL; vallen = (int)(arg+strlen(arg) - (endname+1)); if( vallen <= 0 ) return EINVAL; if( sscanf(endname+1, "%i", &value) != 1) return EINVAL; /* pick autolink and wire */ if( (name = (char *)malloc(namelen+1) ) == NULL ) exit(1); snprintf(name, namelen+1, "%s", arg); curlink = find_alink(name); free(name); if(!curlink) return ENXIO; if(value){ if(!curlink->wires) return ENXIO; if(curlink->enabled) return 0; curlink->enabled = 1; curlink->state = ST_DISCARD; curlink->connwire=curlink->wires[0]; alink_try(curlink); } else { if(!curlink->enabled) return 0; curlink->enabled = 0; kill(curlink->wirepid, SIGQUIT); curlink->connwire = NULL; } return 0; } int alinkdeltypelink(int fd, char *arg) { char *endname, *name, *type; int namelen, typelen, i; struct autolink *curlink; struct alwire *curalwire, *prevalwire; /* check if we have name and type */ endname = strstr(arg, " "); namelen = (int)(endname - arg); if( namelen <= 0 ) return EINVAL; typelen = strlen(arg) - namelen -1; if( typelen <= 0 ) return EINVAL; /* pick autolink */ if( (name = (char *)malloc(namelen+1) ) == NULL ) exit(1); snprintf(name, namelen+1, "%s", arg); curlink = find_alink(name); free(name); if(!curlink) return ENXIO; if(curlink->enabled) return EINVAL; /* avoid RC */ if(!curlink->wires[0]) return EINVAL; /* no wires! */ /* delete alwire */ if( (type = (char *)malloc(typelen+1) ) == NULL ) exit(1); snprintf(type, typelen+1, "%s", endname+1); for( i = 0 ; curlink->hosts[i] != NULL ; i++){ curalwire = prevalwire = curlink->wires[i]; while(curalwire){ if(!strcmp(curalwire->type, type)){ if(curalwire == curlink->wires[i]){ curlink->wires[i] = curalwire->next; } else { prevalwire->next = curalwire->next; } free(curalwire->type); free(curalwire->cmd); free(curalwire); free(type); return 0; } prevalwire = curalwire; curalwire = curalwire->next; } } free(type); return EINVAL; } int alinkaddtypelink(int fd, char *arg) { char *endname, *name, *type, portbuf[42]; int namelen, typelen, i; struct autolink *curlink; struct wire *wire; struct alwire *alwire; /* check if we have name and type */ endname = strstr(arg, " "); namelen = (int)(endname - arg); if( namelen <= 0 ) return EINVAL; typelen = strlen(arg) - namelen -1; if( typelen <= 0 ) return EINVAL; /* pick autolink and wire */ if( (name = (char *)malloc(namelen+1) ) == NULL ) exit(1); snprintf(name, namelen+1, "%s", arg); curlink = find_alink(name); free(name); if(!curlink) return ENXIO; if(curlink->enabled) return EINVAL; /* avoid RC */ if( (type = (char *)malloc(typelen+1) ) == NULL ) exit(1); snprintf(type, typelen+1, "%s", endname+1); wire = find_wire(type); free(type); if(!wire) return ENXIO; /* only one wire type for each autolink */ alwire = find_alwire(wire->type, curlink); if(alwire) return EINVAL; /* alloc alwires */ for( i = 0 ; curlink->hosts[i] != NULL ; i++ ){ if(!curlink->wires[i]){ if( (curlink->wires[i] = (struct alwire *) malloc(sizeof(struct alwire))) == NULL ) exit(1); alwire = curlink->wires[i]; } else { alwire = curlink->wires[i]; while(alwire->next) alwire = alwire->next; if( (alwire->next=(struct alwire *) malloc(sizeof(struct alwire))) == NULL ) exit(1); alwire = alwire->next; } /* set port, sock and remotehost in alwire command */ if( (alwire->cmd = (char *)malloc(strlen(wire->cmd)+1)) == NULL) exit(1); strcpy(alwire->cmd, wire->cmd); sprintf(portbuf, "%u", curlink->portno); strrplc(&(alwire->cmd), myport, portbuf); strrplc(&(alwire->cmd), mysock, vdeswitch); strrplc(&(alwire->cmd), myhost, curlink->hosts[i]); /* fill rest of alwire struct */ if( (alwire->type = (char *) malloc(strlen(wire->type)+1)) == NULL) exit(1); strcpy(alwire->type, wire->type); alwire->try = 0; alwire->oldtry = 0; alwire->next = NULL; } return 0; } int alinkdellink(int fd, char *arg) { struct autolink *curlink, *prevlink; struct alwire *curalwire, *prevalwire; int i; if(!alinks) return EINVAL; prevlink = curlink = alinks; while(curlink){ if(!strcmp(curlink->name, arg)){ if(curlink->enabled) return EINVAL; /* avoid RC */ if(curlink == alinks){ alinks = curlink->next; } else { prevlink->next = curlink->next; } port_dispose(curlink->portno); free(curlink->name); /* remove hosts and alwires */ for ( i = 0 ; curlink->hosts[i] != NULL ; i++){ free(curlink->hosts[i]); curalwire = curlink->wires[i]; while(curalwire){ prevalwire = curalwire; curalwire = curalwire->next; free(prevalwire); } } free(curlink->hosts); free(curlink->wires); free(curlink); return 0; } prevlink = curlink; curlink = curlink->next; } return EINVAL; } int alinkaddlink(int fd, char *arg) { char *name, *endname = NULL, *tmphosts, *token; int namelen, hostlen, i, j; struct autolink *curlink; /* check if we have name and remotehost */ endname = strstr(arg, " "); namelen = (int)(endname - arg); if( namelen <= 0 ) return EINVAL; hostlen = strlen(arg) - namelen -1; if( hostlen <= 0 ) return EINVAL; /* alloc and set name */ if( (name = (char *)malloc(namelen+1) ) == NULL ) exit(1); snprintf(name, namelen+1, "%s", arg); /* check for duplicate */ if( find_alink(name) ){ free(name); return EINVAL; } /* alloc autolink */ if(alinks == NULL){ alinks = (struct autolink *)malloc(sizeof(struct autolink)); if(alinks == NULL) exit(1); curlink = alinks; } else { curlink = alinks; while(curlink->next) curlink = curlink->next; curlink->next = (struct autolink *) malloc(sizeof(struct autolink)); if(curlink->next == NULL) exit(1); curlink = curlink->next; } curlink->name = name; /* reserve a port on switch */ if( (curlink->portno = port_reserve()) < 0 ){ free(curlink->name); free(curlink); if(alinks == curlink) alinks = NULL; return ENXIO; } /* alloc and set remote host array (null terminated) */ i=0; curlink->hosts=NULL; for( tmphosts=strdup(endname+1) ; ; tmphosts=NULL){ token = strtok(tmphosts, " "); curlink->hosts=realloc(curlink->hosts, (i+1)*sizeof(char *)); if(!curlink->hosts) exit(1); curlink->hosts[i]=token; if( !token ) break; i++; }; /* alloc wires array */ if( (curlink->wires = malloc(i*sizeof(char *))) == NULL ) exit(1); for( j = 0 ; j < i ; j++) curlink->wires[j] = NULL; curlink->enabled = 0; curlink->state = 0; curlink->connhost = 0; curlink->connwire = NULL; curlink->next = NULL; return 0; } int alinkrunninglinks(int fd, char *arg) { struct autolink *curlink; time_t now; if(!alinks) return 0; time(&now); curlink = alinks; while (curlink){ if( curlink->enabled && (curlink->wirepid != -1) && ( curlink->state == ST_ACTIVE ) && (curlink->connwire->try < now - CHANGEWIRETIME) ) { /* show only stable connections */ printoutc(fd, "NAME = %s , RHOST = %s , WIRE = %s ," " PID: %d", curlink->name, curlink->hosts[curlink->connhost], curlink->connwire->type, curlink->wirepid); printoutc(fd, ""); } curlink = curlink->next; } return 0; } int alinkshowlinks(int fd, char *arg) { struct autolink *curlink; struct alwire *curalwire = NULL; int i ; if(!alinks){ printoutc(fd, "no autolink defined"); return 0; } curlink = alinks; while (curlink){ printoutc(fd, "NAME = %s (PORT: %d%s)", curlink->name, curlink->portno, (curlink->enabled?" - ACTIVE":"")); for(i = 0 ; curlink->hosts[i] != NULL ; i++){ printoutc(fd, "RHOST: %s", curlink->hosts[i]); if(curlink->wires[i]){ printoutc(fd, "WIRES:"); curalwire = curlink->wires[i]; } while(curalwire){ printoutc(fd,"%s: %s\n", curalwire->type, curalwire->cmd); curalwire = curalwire->next; } } printoutc(fd, ""); curlink = curlink->next; } return 0; } int alinkdelwire(int fd, char* arg) { struct wire *curwire, *prevwire; if(!av_wires) return EINVAL; prevwire = curwire = av_wires; while(curwire){ if(!strcmp(curwire->type, arg)){ if(curwire == av_wires){ av_wires = curwire->next; } else { prevwire->next = curwire->next; } free(curwire->type); free(curwire->cmd); free(curwire); return 0; } prevwire = curwire; curwire = curwire->next; } return EINVAL; } int alinkaddwire(int fd, char* arg) { struct wire *curwire = NULL; char *type = NULL; int typelen = 0; int cmdlen = 0; /* check if we have type and command */ char *endtype = strstr(arg, " "); typelen = (int)(endtype - arg); if( typelen <= 0 ) return EINVAL; cmdlen = strlen(arg) - typelen -1; if( cmdlen <= 0 ) return EINVAL; /* alloc and set type */ if( (type = (char *)malloc(typelen+1) ) == NULL ) exit(1); snprintf(type, typelen+1, "%s", arg); /* check for duplicate */ if( find_wire(type) ){ free(type); return EINVAL; } /* alloc wire */ if(av_wires == NULL){ av_wires = (struct wire *)malloc(sizeof(struct wire)); if(av_wires == NULL) exit(1); curwire = av_wires; } else { curwire = av_wires; while(curwire->next) curwire = curwire->next; curwire->next = (struct wire *)malloc(sizeof(struct wire)); if(curwire->next == NULL) exit(1); curwire = curwire->next; } curwire->next = NULL; curwire->type = type; /* alloc and set command */ if( (curwire->cmd = (char *)malloc(cmdlen+1) ) == NULL ) exit(1); snprintf(curwire->cmd, cmdlen+1, "%s", endtype+1); /* check variables */ if( !strstr(curwire->cmd, myport) || !strstr(curwire->cmd, mysock) || !strstr(curwire->cmd, myhost) ){ free(curwire->type); free(curwire->cmd); free(curwire); if(av_wires == curwire) av_wires = NULL; return EINVAL; } return 0; } int alinkshowwires(int fd, char *arg) { struct wire *curwire; if(!av_wires){ printoutc(fd, "no wire defined"); return 0; } curwire = av_wires; while (curwire){ printoutc(fd, "TYPE = %s\nCMD = %s\n", curwire->type, curwire->cmd); curwire = curwire->next; } return 0; } int alinkshutdown(int fd, char *arg) { printlog(LOG_WARNING,"Shutdown from mgmt command"); exit(0); } int alinkhelp(int fd, char *arg) { printoutc(fd, "help: print a summary of mgmt commands"); printoutc(fd, "shutdown: terminate"); printoutc(fd, "runscript: load a config file [args: PATH]"); printoutc(fd, "showwires: list inserted wires"); printoutc(fd, "addwire: add a type of wire, with variables [args: TYPE CMD]"); printoutc(fd, "delwire: delete a type of wire [args: TYPE]"); printoutc(fd, "showlinks: list inserted autolinks"); printoutc(fd, "runninglinks: print running links"); printoutc(fd, "addlink: add an autolink [args: NAME REMOTEHOSTS]"); printoutc(fd, "dellink: delete an autolink [args: NAME]"); printoutc(fd, "addtypelink: add a type of wire to named link [args: NAME TYPE]"); printoutc(fd, "deltypelink: delete a type of wire from named link [args: NAME TYPE]"); printoutc(fd, "linkonoff: activate/deactivate autolink [args: NAME 1/0]"); printoutc(fd, "jobsqueue: print status of job queue"); return 0; } struct comlist { char *tag; int (*fun)(int fd,char *arg); } cl[]={ {"help",alinkhelp}, {"shutdown", alinkshutdown}, {"showwires", alinkshowwires}, {"addwire", alinkaddwire}, {"delwire", alinkdelwire}, {"showlinks", alinkshowlinks}, {"runninglinks", alinkrunninglinks}, {"addlink", alinkaddlink}, {"dellink", alinkdellink}, {"addtypelink", alinkaddtypelink}, {"deltypelink", alinkdeltypelink}, {"linkonoff", alinklinkonoff}, {"runscript", runscript}, {"jobsqueue", jobsqueue}, }; #define NCL sizeof(cl)/sizeof(struct comlist) static int handle_cmd(int fd,char *inbuf) { int rv=ENOSYS; int i; while (*inbuf == ' ' || *inbuf == '\t') inbuf++; if (*inbuf != '\0' && *inbuf != '#') { for (i=0; i0 && buf[n-1] == '\n') buf[n-1] = 0; rv=handle_cmd(fd,buf); if (rv>=0) write(fd,prompt,strlen(prompt)); return rv; } } static int newmgmtconn(int fd,struct pollfd *pfd,int nfds) { int new; unsigned int len; char buf[MAXCMD]; struct sockaddr addr; new = accept(fd, &addr, &len); if(new < 0){ printlog(LOG_ERR,"mgmt accept %s",strerror(errno)); return nfds; } if (nfds < MAXCONS) { if(fcntl(new, F_SETFL, O_NONBLOCK) < 0){ printlog(LOG_WARNING, "mgmt fcntl - setting " "O_NONBLOCK %s",strerror(errno)); close(new); return nfds; } pfd[nfds].fd=new; pfd[nfds].events=POLLIN | POLLHUP; pfd[nfds].revents=0; snprintf(buf,MAXCMD,header,PACKAGE_VERSION); write(new,buf,strlen(buf)); write(new,prompt,strlen(prompt)); return ++nfds; } else { printlog(LOG_ERR,"too many mgmt connections"); close (new); return nfds; } } static int delmgmtconn(int i,struct pollfd *pfd,int nfds) { if (i 1 && buf[strlen(buf)-1]=='\n') buf[strlen(buf)-1]= '\0'; if (fd >= 0) printoutc(fd,"vde_autolink[%s]: %s", path,buf); handle_cmd(fd, buf); } return 0; } } static void loadrcfile(void) { if (rcfile != NULL) runscript(-1,rcfile); else { char path[PATH_MAX]; snprintf(path,PATH_MAX,"%s/.vde2/vde_autolink.rc",getenv("HOME")); if (access(path,R_OK) == 0) runscript(-1,path); else { if (access(STDRCFILE,R_OK) == 0) runscript(-1,STDRCFILE); } } } static void save_pidfile() { if(pidfile[0] != '/') strncat(pidfile_path, pidfile, PATH_MAX - strlen(pidfile_path) - 1); else strncpy(pidfile_path, pidfile, PATH_MAX - 1); int fd = open(pidfile_path, O_WRONLY | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); FILE *f; if(fd == -1) { printlog(LOG_ERR, "Error in pidfile creation: %s", strerror(errno)); exit(1); } if((f = fdopen(fd, "w")) == NULL) { printlog(LOG_ERR, "Error in FILE* construction: %s", strerror(errno)); exit(1); } if(fprintf(f, "%ld\n", (long int)getpid()) <= 0) { printlog(LOG_ERR, "Error in writing pidfile"); exit(1); } fclose(f); } static void usage(void) { printf( " -h, --help Display this help\n" " -f, --rcfile Configuration file (overrides %s and ~/.vde_autolinkrc)\n" " -d, --daemon Daemonize vde_autolink once run\n" " -p, --pidfile PIDFILE Write pid of daemon to PIDFILE\n" " -M, --mgmt SOCK Path of the management UNIX socket\n" " --mgmtmode MODE Management UNIX socket access mode (octal)\n" " -s, --sock [*] Attach to this vde_switch socket\n" " -S, --switchmgmt [*] Attach to this vde_switch management socket\n" " [*] == Required option!\n" ,STDRCFILE); } int main(int argc,char **argv) { int npfd=0, option_index; int mgmtfd, mgmtindex=-1, vdemgindex=-1, consoleindex=-1; struct job *j; time_t now; static struct option long_options[] = { {"help", 0, 0, 'h'}, {"rcfile", 1, 0, 'f'}, {"daemon", 0, 0, 'd'}, {"pidfile", 1, 0, 'p'}, {"mgmt", 1, 0, 'M'}, {"mgmtmode", 1, 0, MGMTMODEARG}, {"sock", 1, 0, 's'}, {"switchmgmt", 1, 0, 'S'}, }; progname=basename(argv[0]); setsighandlers(); atexit(cleanup); while(1) { int c; c = GETOPT_LONG (argc, argv, "hf:dp:M:s:S:", long_options, &option_index); if (c<0) break; switch (c) { case 'h': usage(); break; case 'f': rcfile=strdup(optarg); break; case 'd': daemonize=1; break; case 'p': pidfile=strdup(optarg); break; case 'M': mgmt=strdup(optarg); break; case MGMTMODEARG: sscanf(optarg,"%o",&mgmtmode); break; case 's': vdeswitch=strdup(optarg); break; case 'S': switchmgmt=strdup(optarg); break; default: usage(); break; } } if (optind < argc) usage(); if( !vdeswitch || !switchmgmt ) usage(); if (daemonize){ openlog(basename(progname), LOG_PID, 0); logok=1; syslog(LOG_INFO,"VDE_AUTOLINK started"); } if(isatty(0) && !daemonize){ consoleindex=npfd; pfd[consoleindex].fd=0; pfd[consoleindex].events=POLLIN | POLLHUP; pfd[consoleindex].revents=0; npfd++; } if(getcwd(pidfile_path, PATH_MAX-2) == NULL) { printlog(LOG_ERR, "getcwd: %s", strerror(errno)); exit(1); } strcat(pidfile_path, "/"); if (daemonize && daemon(0, 1)) { printlog(LOG_ERR,"daemon: %s",strerror(errno)); exit(1); } if(pidfile) save_pidfile(); if( (vdemgmt=vdemgmt_open(switchmgmt)) == NULL ){ printlog(LOG_ERR, "cannot open %s\n", switchmgmt); return -1; } vdemgindex=npfd; pfd[vdemgindex].fd=vdemgmt_getfd(vdemgmt); pfd[vdemgindex].events=POLLIN | POLLHUP; pfd[vdemgindex].revents=0; npfd++; if( vdemgmt_asyncreg(vdemgmt, FSTPDBG_PADD, ah_padd) || vdemgmt_asyncreg(vdemgmt, FSTPDBG_PDEL, ah_pdel) || vdemgmt_asyncreg(vdemgmt, FSTPDBG_STAT, ah_state) ){ printlog(LOG_ERR, "cannot register async handler on switch"); return -1; } if(mgmt){ mgmtfd=openmgmt(mgmt); mgmtindex=npfd; pfd[mgmtindex].fd=mgmtfd; pfd[mgmtindex].events=POLLIN | POLLHUP; pfd[mgmtindex].revents=0; npfd++; } loadrcfile(); while(1){ poll(pfd,npfd,polltimeout); /* Handle async output from switch */ if(pfd[vdemgindex].revents & POLLHUP){ printlog(LOG_ERR, "switch closed connection, exiting"); exit(1); } if( pfd[vdemgindex].revents & POLLIN ) vdemgmt_asyncrecv(vdemgmt); /* Handle console connections and commands */ if(consoleindex >= 0 && ( pfd[consoleindex].revents & POLLHUP || (pfd[consoleindex].revents & POLLIN && mgmtcommand(pfd[consoleindex].fd)<0) ) ) exit(0); if (mgmt && (pfd[mgmtindex].revents != 0)) npfd=newmgmtconn(pfd[mgmtindex].fd,pfd,npfd); if (mgmt && (npfd > mgmtindex+1)) { int i; for (i=mgmtindex+1;i jq->time) ){ j=extract_job(); if (alink_exists(j->al) && j->al->enabled) j->f(j->al); free(j); } polltimeout = jq ? jq->time - now : -1 ; } } vde2-2.3.2+r586/src/vde_cryptcab/0000755000000000000000000000000013614540472013206 5ustar vde2-2.3.2+r586/src/vde_cryptcab/Makefile.am0000644000000000000000000000076713614540472015254 0ustar AM_CPPFLAGS = -I$(top_srcdir)/include bin_PROGRAMS = vde_cryptcab # Avoid wrong optimizations due to strict aliasing rules when making casts # between socket structs. 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/* chksum_crc() -- to a given block, this one calculates the * crc32-checksum until the length is * reached. the crc32-checksum will be * the result. */ u_int32_t chksum_crc32 (unsigned char *block, unsigned int length) { unsigned long crc; unsigned long i; crc = 0xFFFFFFFF; for (i = 0; i < length; i++) { crc = ((crc >> 8) & 0x00FFFFFF) ^ crc_tab[(crc ^ *block++) & 0xFF]; } return (crc ^ 0xFFFFFFFF); } unsigned char *crc32(unsigned char *block, unsigned int len) { unsigned long crc=chksum_crc32(block,len); unsigned char *res=malloc(4); res[0]=crc&0x000000FF; res[1]=(crc&0x0000FF00)>>8; res[2]=(crc&0x00FF0000)>>16; res[3]=(crc&0xFF000000)>>24; return res; } /* chksum_crc32gentab() -- to a global crc_tab[256], this one will * calculate the crcTable for crc32-checksums. * it is generated to the polynom [..] */ void chksum_crc32gentab () { unsigned long crc, poly; int i, j; poly = 0xEDB88320L; for (i = 0; i < 256; i++) { crc = i; for (j = 8; j > 0; j--) { if (crc & 1) { crc = (crc >> 1) ^ poly; } else { crc >>= 1; } } crc_tab[i] = crc; } } vde2-2.3.2+r586/src/vde_cryptcab/crc32.h0000644000000000000000000000101513614540472014270 0ustar /* * VDE Cryptcab * Copyright © 2006-2008 Daniele Lacamera * from an idea by Renzo Davoli * * Released under the terms of GNU GPL v.2 * (http://www.gnu.org/licenses/old-licenses/gpl-2.0.html) * with the additional exemption that * compiling, linking, and/or using OpenSSL is allowed. * * based on implementation by Finn Yannick Jacobs Krzysztof Dabrowski, ElysiuM deeZine * */ #ifndef _CRC32_H #define _CRC32_H void chksum_crc32gentab(); unsigned char *crc32(unsigned char *block, unsigned int len); #endif vde2-2.3.2+r586/src/vde_cryptcab/cryptcab.c0000644000000000000000000002256013614540472015166 0ustar /* * VDE Cryptcab * Copyright © 2006-2008 Daniele Lacamera * from an idea by Renzo Davoli * * Released under the terms of GNU GPL v.2 * (http://www.gnu.org/licenses/old-licenses/gpl-2.0.html) * with the additional exemption that * compiling, linking, and/or using OpenSSL is allowed. * */ #include "cryptcab.h" /* * Usage implies exit. */ static void Usage(char *programname) { fprintf(stderr,"Usage: %s [-s socketname] [-c [remoteuser@]remotehost[:remoteport]] [-p localport] [-P pre-shared/key/path] [-d] [-x] [-v]\n",programname); exit(1); } static EVP_CIPHER_CTX ctx; static int ctx_initialized = 0; static int encryption_disabled = 0; static int nfd; static unsigned long long mycounter=1; static struct vde_open_args open_args={.port=0,.group=NULL,.mode=0700}; static int verbose = 0; void vc_printlog(int priority, const char *format, ...) { va_list arg; if(verbose >= priority){ va_start (arg, format); fprintf(stderr,"vde_cryptcab: "); vfprintf(stderr,format,arg); fprintf(stderr,"\n"); va_end (arg); } } void disable_encryption(void) { encryption_disabled = 1; vc_printlog(3,"Encryption Disabled."); } void set_nfd(int fd){ nfd = fd; } /* * Check progressive number validity in incoming datagram */ int isvalid_timestamp(unsigned char *block, int size, struct peer *p) { int i; unsigned long long pktcounter=0; for(i=0;i<8;i++){ pktcounter+=block[size-12+i]<<(i*8); } if(pktcounter>p->counter){ p->counter=pktcounter; return 1; }else{ //fprintf(stderr,"bad timestamp!\n"); return 0; } } /* * Check CRC32 Checksum from incoming datagram */ int isvalid_crc32(unsigned char *block, int len) { unsigned char *crc=(unsigned char *)crc32(block,len-4); if(memcmp((char*)block+(len-4),(char*)crc,4)==0){ free(crc); return 1; }else{ //fprintf(stderr,"bad crc32!\n"); free(crc); return 0; } } int data_encrypt(unsigned char *src, unsigned char *dst, int len, struct peer *p) { int tlen, olen, ulen; ulen = len - (len % 8); if (encryption_disabled){ memcpy(dst,src,len); return len; } if (!ctx_initialized) { EVP_CIPHER_CTX_init (&ctx); ctx_initialized = 1; } EVP_EncryptInit (&ctx, EVP_bf_cbc (), p->key, p->iv); if (EVP_EncryptUpdate (&ctx, dst, &olen, src, len) != 1) { fprintf (stderr,"error in encrypt update\n"); olen = -1; goto cleanup; } if (EVP_EncryptFinal (&ctx, dst + ulen, &tlen) != 1) { fprintf (stderr,"error in encrypt final\n"); olen = -1; goto cleanup; } olen += tlen; cleanup: EVP_CIPHER_CTX_cleanup(&ctx); return olen; } int data_decrypt(unsigned char *src, unsigned char *dst, int len, struct peer *p) { int tlen, olen, ulen; ulen = len - (len % 8); if (encryption_disabled){ memcpy(dst,src,len); return len; } if (!ctx_initialized) { EVP_CIPHER_CTX_init (&ctx); ctx_initialized = 1; } EVP_DecryptInit (&ctx, EVP_bf_cbc (), p->key, p->iv); if (EVP_DecryptUpdate (&ctx, dst, &olen, src, ulen) != 1) { fprintf (stderr,"error in decrypt update\n"); olen = -1; goto cleanup; } if (EVP_DecryptFinal (&ctx, dst + ulen, &tlen) != 1) { fprintf (stderr,"error in decrypt final, ulen = %d, tlen = %d\n", ulen, tlen); olen = -1; goto cleanup; } olen += tlen; cleanup: EVP_CIPHER_CTX_cleanup(&ctx); return olen; } /* * Include a progressive number into outgoing datagram, * to prevent packet replication/injection attack. * */ void set_timestamp(unsigned char *block) { int i; for(i=0;i<8;i++){ block[i]=(unsigned char)(mycounter>>(i*8))&(0x00000000000000FF); } mycounter++; } /* * Send an udp datagram to specified peer. */ void send_udp (unsigned char *data, size_t len, struct peer *p, unsigned char flags) { unsigned char outpkt[MAXPKT]; unsigned char *outbuf=outpkt+1; int olen; struct sockaddr_in *destination=&(p->in_a); unsigned char *crc; if (len + 8 - 1 > MAXPKT) { len = MAXPKT - 8 + 1; vc_printlog(2,"Warning: Cropping down packet size to %d", len); } if (encryption_disabled || (flags==CMD_CHALLENGE || flags==CMD_LOGIN || flags==CMD_DENY || flags==CMD_AUTH_OK || flags == CMD_KEEPALIVE)){ memcpy(outbuf,data,len); olen=len; }else{ if(flags==PKT_DATA){ set_timestamp(data+len); len+=8; crc = crc32(data,len); memcpy(data+len,crc,4); free(crc); len+=4; } olen = data_encrypt(data,outbuf,len,p); } outpkt[0]=flags; sendto(nfd, outpkt, olen + 1, 0, (struct sockaddr *) destination, sizeof(struct sockaddr_in)); vc_printlog(4,"UDP Sent %dB datagram.",olen+1); } void vde_plug(struct peer *p, char *plugname) { p->plug=vde_open(plugname,"vde_cryptcab",&open_args); if(!p->plug) { perror ("libvdeplug"); exit(1); } vc_printlog(3,"Socket to local switch created: fd=%d",vde_datafd(p->plug)); } /* * Send a virtual frame to the vde_plug process associated * with the peer */ void send_vdeplug(const char *data, size_t len, struct peer *p) { static unsigned int outbuf[MAXPKT]; static int outp=0; static u_int16_t outlen; if(len<=0) return; if(outp==0 && (len >=2) ){ outlen=2; outlen+=(unsigned char)data[1]; outlen+=((unsigned char)(data[0]))<<8; } if(len>=outlen){ vde_send(p->plug,data,outlen,0); send_vdeplug(data+outlen,len-outlen, p); return; } memcpy(outbuf+outp,data,len); outp+=len; if(outp>=outlen){ vde_send(p->plug,(char *)outbuf,outlen,0); } vc_printlog(3,"VDE - Sent a %dB datagram.",outlen); } /* * Main. */ int main(int argc, char **argv, char **env) { int c; char *programname=argv[0]; char *plugname="/tmp/vde.ctl"; char *remotehost = NULL; char *remoteusr = NULL; char *pre_shared = NULL; enum e_enc_type enc_type = ENC_SSH; unsigned short udp_port = PORTNO; unsigned short remoteport = PORTNO; unsigned char keepalives=0; char *scp_extra_options; int daemonize = 0; scp_extra_options=getenv("SCP_EXTRA_OPTIONS"); while (1) { int option_index = 0; char *ctl_socket; const char sepusr='@'; const char sepport=':'; char *pusr,*pport, *vvv=NULL; static struct option long_options[] = { {"sock", 1, 0, 's'}, {"vdesock", 1, 0, 's'}, {"unix", 1, 0, 's'}, {"localport", 1, 0, 'p'}, {"connect",1,0,'c'}, {"preshared ",1,0,'P'}, {"noencrypt",0,0,'x'}, {"keepalive",0,0,'k'}, {"verbose",optional_argument,0,'v'}, {"help",0,0,'h'}, {"daemon",0,0,'d'}, {0, 0, 0, 0} }; c = GETOPT_LONG (argc, argv, "s:p:c:P:hv::xkd", long_options, &option_index); if (c == -1) break; switch (c) { case 's': plugname=strdup(optarg); break; case 'v': verbose=1; if(optarg) vvv=strdup(optarg); while(vvv && *vvv++ == 'v') verbose++; break; case 'x': enc_type = ENC_NOENC; break; case 'c': ctl_socket=strdup(optarg); pusr=strchr(ctl_socket,sepusr); pport=strchr(ctl_socket,sepport); if( ( pusr != strrchr(ctl_socket,sepusr)) || (pport != strrchr(ctl_socket,sepport)) || (pport && pusr>pport) ) Usage(programname); if(!pusr && !pport){ remoteusr=NULL; remoteport=PORTNO; remotehost=strdup(ctl_socket); break; } if(!pport){ remoteusr=(char *)strndup(ctl_socket,pusr-ctl_socket); remotehost=(char *)strndup(pusr+1,strlen(ctl_socket)-strlen(remoteusr)-1); remoteport=PORTNO; break; } if(!pusr){ remoteusr=NULL; remotehost=(char *)strndup(ctl_socket,pport-ctl_socket); remoteport=atoi((char *)strndup(pport+1,strlen(ctl_socket)-strlen(remotehost)-1)); break; } remoteusr=(char *)strndup(ctl_socket,pusr-ctl_socket); remotehost=(char *)strndup(pusr+1,pport-pusr-1); remoteport=atoi((char *)strndup(pport+1,strlen(ctl_socket)-strlen(remotehost)-strlen(remoteusr)-2)); break; case 'p': udp_port=atoi(optarg); break; case 'P': pre_shared=strdup(optarg); fprintf(stderr,"Using pre-shared key %s\n",pre_shared); enc_type = ENC_PRESHARED; break; case 'k': keepalives=1; break; case 'd': daemonize=1; break; case 'h': default: Usage(programname); } } if(optind < argc) Usage(programname); if (keepalives && remotehost==NULL){ fprintf(stderr,"\nkeepalive option is valid in client mode only.\n\n"); Usage(programname); } if (pre_shared && enc_type == ENC_NOENC){ fprintf(stderr,"\nWarning: Not using pre-shared key mode, encryption disabled.\n\n"); pre_shared = NULL; } vc_printlog(1,"Verbosity: %d", verbose); chksum_crc32gentab(); switch(enc_type){ case ENC_NOENC: vc_printlog(1,"Encryption Disabled."); break; case ENC_PRESHARED: vc_printlog(1,"Using pre-shared key %s",pre_shared); break; case ENC_SSH: vc_printlog(1,"Using ssh key exchange for authentication"); break; } if (daemonize) { if (fork() == 0) { setsid(); close(STDIN_FILENO); close(STDOUT_FILENO); if (fork() > 0) exit(0); } else exit(0); } if(!remotehost){ cryptcab_server(plugname, udp_port, enc_type, pre_shared); } else { cryptcab_client(plugname, udp_port, enc_type, pre_shared, remoteusr, remotehost, remoteport, keepalives, scp_extra_options); } exit(0); } vde2-2.3.2+r586/src/vde_cryptcab/cryptcab.h0000644000000000000000000001036613614540472015174 0ustar /* * VDE Cryptcab * Copyright 2006-2008 Daniele Lacamera * from an idea by Renzo Davoli * * Released under the terms of GNU GPL v.2 * (http://www.gnu.org/licenses/old-licenses/gpl-2.0.html) * with the additional exemption that * compiling, linking, and/or using OpenSSL is allowed. * */ #ifndef __CRYPTCAB_H #define __CRYPTCAB_H #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define PORTNO 7667 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "crc32.h" #define IP_SIZE 1024 #define OP_SIZE 1032 #define MAXPKT 2000 #define FILENAMESIZE 16 #ifdef XOR #undef XOR #endif #define XOR(a,b) a==b?0:1 #define before_time(a,b) a.tv_sec==b.tv_sec?a.tv_usecin_a.sin_addr.s_addr #define after(a,b) (a.tv_sec == b.tv_sec ) ? (a.tv_usec > b.tv_usec) : (a.tv_sec > b.tv_sec) /* * Each datagram received from network or from vde_plug * is arranged into a struct like this. */ struct datagram { unsigned char data[MAXPKT]; int len; int src; struct peer *orig; }; void vc_printlog(int priority, const char *format, ...); void send_udp(unsigned char *data, size_t len, struct peer *p, unsigned char flags ); void send_vde( const char *data, size_t len, struct peer *p); void vde_plug(struct peer *, char *); int isvalid_crc32(unsigned char *block, int len); void disable_encryption(void); void set_nfd(int fd); int isvalid_timestamp(unsigned char *block, int size, struct peer *p); int data_encrypt(unsigned char *src, unsigned char *dst, int len, struct peer *p); int data_decrypt(unsigned char *src, unsigned char *dst, int len, struct peer *p); void set_timestamp(unsigned char *block); void send_udp (unsigned char *data, size_t len, struct peer *p, unsigned char flags); void send_vdeplug(const char *data, size_t len, struct peer *p); void cryptcab_server(char *_plugname, unsigned short udp_port, enum e_enc_type enc_type, char *pre_shared); void cryptcab_client(char *_plugname, unsigned short udp_port, enum e_enc_type _enc_type, char *_pre_shared, char *_remoteusr, char *_remotehost, unsigned short _remoteport, unsigned char _keepalives, char *scp_extra_options); #endif vde2-2.3.2+r586/src/vde_cryptcab/vde_cryptcab_client.c0000644000000000000000000002071313614540472017360 0ustar /* * VDE Cryptcab * Copyright © 2006-2008 Daniele Lacamera * from an idea by Renzo Davoli * * Released under the terms of GNU GPL v.2 * (http://www.gnu.org/licenses/old-licenses/gpl-2.0.html) * with the additional exemption that * compiling, linking, and/or using OpenSSL is allowed. * */ #include "cryptcab.h" #define KEEPALIVE_INTERVAL 30 static unsigned char keepalives = 0; static char *remoteusr, *remotehost; static unsigned short remoteport; static char *plugname, *pre_shared; static struct timeval last_out_time; static enum e_enc_type enc_type = ENC_SSH; static char *scp_extra_options = NULL; static char keyname[] = "/tmp/vde_XXXXXX.key"; static void send_keepalive(struct peer *p){ if (!keepalives) return; vc_printlog(4,"Sending keepalive"); send_udp(NULL,0,p,CMD_KEEPALIVE); gettimeofday(&last_out_time, NULL); } /* * Send a login packet. This is the first phase of 4WHS */ static void blowfish_login(struct peer *p) { send_udp((unsigned char*)p->id,FILENAMESIZE,p,CMD_LOGIN); } static void try_to_login(struct peer *p) { static struct timeval last_login_time; struct timeval now; gettimeofday(&now, 0); if (now.tv_sec < last_login_time.tv_sec || now.tv_sec - last_login_time.tv_sec < 5) { vc_printlog(4,"Attempt to login to %s (udp port %hu): please wait, login in progress...",remotehost,remoteport); return; } vc_printlog(2,"Logging in to %s (udp port %hu)",remotehost,remoteport); blowfish_login(p); gettimeofday(&last_login_time, 0); } /* * Receive a challenge. Try to send response encrypted with local blowfish key. */ static void rcv_challenge(struct datagram *pkt, struct peer *p) { send_udp(pkt->data+1,pkt->len-1,p,CMD_RESPONSE); p->state=ST_WAIT_AUTH; } /* * Generate a new blowfish key, store it in a local file and fill the fields * of peer structure. * Client only. */ static struct peer *generate_key (struct peer *ret) { int fd=-1, od=-1; unsigned char key[16]; unsigned char iv[8]; char *path; char random[]="/dev/urandom"; if (pre_shared){ path=pre_shared; vc_printlog(2,"Reading pre-shared Blowfish key..."); }else{ path=random; vc_printlog(2,"Generating Blowfish key..."); } if ( ((fd = open (path, O_RDONLY)) == -1)|| ((read (fd, key, 16)) == -1) || ((read (fd, iv, 8)) == -1) ) { perror ("Error Creating key.\n"); goto failure; } close (fd); memset(keyname + strlen(keyname) - 10, 'X', 6); od = mkostemps(keyname, 4, O_RDWR | O_CREAT | O_TRUNC); if (od < 0){ perror ("blowfish.key mktemp error"); goto failure; } memset(ret,0, sizeof(struct peer)); strncpy(ret->id, keyname + strlen("/tmp/"), strlen(keyname) - strlen("/tmp/") - strlen(".key")); memcpy(ret->key,key,16); memcpy(ret->iv,iv,8); if (write(od,key,16) < 0 || write(od,iv,8) < 0) { perror("Could not write blowfish key"); goto failure; } close (od); vc_printlog(2,"Done."); return ret; failure: if (fd != -1) close(fd); if (od != -1) close(od); return NULL; } /* * Call the generate_key() and then transmit the key to the server via * OpenSSH secure copy. */ static struct peer *generate_and_xmit(struct peer *ret){ char source[PATH_MAX], dest[PATH_MAX]; struct hostent *target; ret=generate_key(ret); if(!ret){ fprintf(stderr,"Couldn't create the secret key.\n"); exit(255); } target=gethostbyname(remotehost); if (target == NULL) { fprintf(stderr,"%s not found.\n", remotehost); exit(2); } ret->in_a.sin_family = AF_INET; ret->in_a.sin_port = htons(remoteport); ret->in_a.sin_addr.s_addr=((struct in_addr *)(target->h_addr))->s_addr; if(!pre_shared){ char *cmd[]={"scp",NULL, NULL, NULL,0}; pid_t pid; int status; int cmd_idx = 1; vc_printlog(2,"Sending key over ssh channel:"); if (scp_extra_options) cmd[cmd_idx++] = scp_extra_options; if(remoteusr) snprintf(dest,PATH_MAX,"%s@%s:/tmp/.%s.key",remoteusr, remotehost, ret->id); else snprintf(dest,PATH_MAX,"%s:/tmp/.%s.key", remotehost, ret->id); snprintf(source, PATH_MAX, "/tmp/%s.key", ret->id); cmd[cmd_idx++] = source; cmd[cmd_idx++] = dest; if ((pid=fork()) == 0) { dup2(1,2); execvp(cmd[0],cmd); } waitpid(pid,&status,0); if(WEXITSTATUS(status)==0){ vc_printlog(2,"Key successfully transferred using a secure channel."); }else{ fprintf(stderr,"Couldn't transfer the secret key.\n"); exit(253); } } vc_printlog(2,"Done."); return ret; } static int recv_datagram(struct datagram *pkt, int nfd, struct peer *p1) { int pollret; static struct pollfd pfd[2]; socklen_t peerlen; int datafd; struct timeval now; datafd = vde_datafd(p1->plug); while(datafd < 0) { vc_printlog(4,"waiting for vde_libs..."); vde_plug(p1, plugname); sleep(1); datafd = vde_datafd(p1->plug); } pfd[0].fd=nfd; pfd[0].events=POLLIN|POLLHUP; pfd[1].fd = datafd; pfd[1].events = POLLIN|POLLHUP; do{ pollret = poll(pfd,2,1000); if(pollret<0){ if(errno==EINTR) return 0; perror("poll"); exit(1); } gettimeofday(&now,NULL); now.tv_sec -= KEEPALIVE_INTERVAL; if (after(now,last_out_time) && p1->state == ST_AUTH){ send_keepalive(p1); } } while (pollret==0); for(;;){ if (pfd[0].revents&POLLIN) { struct sockaddr_in ipaddress; peerlen = sizeof(struct sockaddr_in); pkt->len = recvfrom(nfd, pkt->data, MAXPKT, 0, (struct sockaddr *) &ipaddress, &peerlen); if(ipaddress.sin_addr.s_addr == p1->in_a.sin_addr.s_addr){ pkt->orig=p1; pkt->src = SRC_UDP; return 1; } else { vc_printlog(1,"Warning: received packet from unknown address %s, dropping",inet_ntoa(ipaddress.sin_addr)); return 0; } } if (pfd[1].revents&POLLHUP){ vc_printlog(1,"VDE Error"); } if (pfd[1].revents&POLLIN) { vc_printlog(4,"VDE Pkt"); pkt->len = vde_recv(p1->plug, pkt->data, MAXPKT,0); if(pkt->len<1) return 0; pkt->src = SRC_VDE; pkt->orig = p1; return 1; } } return 0; } void cryptcab_client(char *_plugname, unsigned short udp_port, enum e_enc_type _enc_type, char *_pre_shared, char *_remoteusr, char *_remotehost, unsigned short _remoteport, unsigned char _keepalives, char *_scp_extra_options) { int wire, r; struct sockaddr_in myaddr; struct datagram pkt, pkt_dec; struct peer _peer; struct peer *p1 = &_peer; plugname = _plugname; remoteusr = _remoteusr; remotehost = _remotehost; remoteport = _remoteport; pre_shared = _pre_shared; keepalives = _keepalives; enc_type = _enc_type; scp_extra_options = _scp_extra_options; memset(&last_out_time,0, sizeof(struct timeval)); if(enc_type == ENC_PRESHARED && (!pre_shared || access(pre_shared,R_OK)!=0)){ vc_printlog(0,"Error accessing pre-shared key %s: %s\n",pre_shared,strerror(errno)); exit(1); } if (enc_type == ENC_NOENC) disable_encryption(); memset ((char *)&myaddr, 0, sizeof(myaddr)); myaddr.sin_family = AF_INET; myaddr.sin_addr.s_addr = htonl(INADDR_ANY); myaddr.sin_port = htons(udp_port); wire = socket(PF_INET,SOCK_DGRAM,0); if (bind(wire,(struct sockaddr *) &myaddr, sizeof(myaddr))<0) {perror("bind socket"); exit(3);} set_nfd(wire); p1 = generate_and_xmit(p1); p1->state = ST_OPENING; p1->next = NULL; try_to_login(p1); usleep(100000); for(;;){ r = recv_datagram(&pkt, wire, p1); if (r == 0) continue; if(pkt.src==SRC_VDE){ if(p1->state==ST_AUTH){ vc_printlog(4,"VDE pkt received (%d Bytes)",pkt.len); send_udp(pkt.data, pkt.len, p1, PKT_DATA); gettimeofday(&last_out_time,NULL); }else{ try_to_login(p1); } continue; } else if(pkt.src==SRC_UDP){ switch(p1->state + pkt.data[0]) { case ST_OPENING + CMD_CHALLENGE: vc_printlog(2,"Received Challenge packet, replying:"); rcv_challenge(&pkt, p1); break; case ST_WAIT_AUTH + CMD_AUTH_OK: p1->state = ST_AUTH; vc_printlog(2,"Successfully authenticated."); break; case ST_AUTH + PKT_DATA: vc_printlog(4,"Data pkt received (%d Bytes)",pkt.len); pkt_dec.len = data_decrypt(pkt.data+1, pkt_dec.data, pkt.len-1, p1); vde_send(p1->plug,pkt_dec.data,pkt_dec.len,0); break; case ST_OPENING + CMD_DENY: case ST_WAIT_AUTH + CMD_DENY: case ST_AUTH + CMD_DENY: vc_printlog(2,"Received access denied from server, sending identification."); vde_close(p1->plug); p1 = (struct peer *)generate_and_xmit(p1); p1->state = ST_OPENING; try_to_login(p1); break; default: vc_printlog(4,"Unknown/undesired pkt received. (state: 0x%X code: 0x%X )", p1->state, (unsigned char)pkt.data[0]); } } } exit (0); } vde2-2.3.2+r586/src/vde_cryptcab/vde_cryptcab_server.c0000644000000000000000000002500513614540472017407 0ustar /* * VDE Cryptcab * Copyright © 2006-2008 Daniele Lacamera * from an idea by Renzo Davoli * * Released under the terms of GNU GPL v.2 * (http://www.gnu.org/licenses/old-licenses/gpl-2.0.html) * with the additional exemption that * compiling, linking, and/or using OpenSSL is allowed. * */ #include "cryptcab.h" static struct peer *list = NULL; static char *plugname; static enum e_enc_type enc_type = ENC_SSH; /* * Add a peer to the main list. * Client will have a list of one peer only, * server will have a peer in the list for each "connection" * it establishes. */ static void addpeer(struct peer *np) { np->next=list; list=np; } /* * Internal, recursive functions: */ static int _peers(struct peer *iter) { if(!iter) return 0; else return 1+_peers(iter->next); } static void _populatepoll(struct pollfd *pfd, struct peer *iter,int index, struct peer *peerlist) { int datafd; if(!iter) return; memcpy(&(peerlist[index]),iter,sizeof(struct peer)); if(iter->plug){ datafd=vde_datafd(iter->plug); pfd[index].fd=datafd; pfd[index++].events=POLLIN|POLLHUP|POLLNVAL; } else if(iter->state == ST_AUTH) { vde_plug(iter, plugname); usleep(100000); _populatepoll(pfd,iter->next,index, peerlist); return; } _populatepoll(pfd,iter->next,index, peerlist); } struct peer *_getpeer(struct sockaddr_in saddr, struct peer *sublist) { if(!sublist) return NULL; if(sublist->in_a.sin_addr.s_addr==saddr.sin_addr.s_addr && sublist->in_a.sin_port==saddr.sin_port) return sublist; return _getpeer(saddr,sublist->next); } /* * Returns peer list length. */ static int numberofpeers(){ struct peer *iter=list; return _peers(iter); } static void remove_peerlist(struct peer *sublist) { char filename[128]; if(!sublist) return; vde_close(sublist->plug); sublist->plug=NULL; if (sublist->state == ST_AUTH && enc_type == ENC_SSH){ snprintf(filename,127,"/tmp/.%s.key",sublist->id); if (unlink(filename) == 0){ vc_printlog(2,"Successfully removed key file %s", filename); }else{ vc_printlog(2,"Could not remove key file %s", filename); } } remove_peerlist(sublist->next); } static struct peer *clean_peerlist(struct peer *sublist) { struct timeval now; char filename[128]; struct peer *nxt; if (sublist == list) { vc_printlog(4, "Cleaning list of peer from expired clients...."); } if(!sublist) return NULL; nxt=sublist->next; gettimeofday(&now,NULL); if(after(now,sublist->expire) // || (sublist->state == ST_AUTH && sublist->plug) ){ vc_printlog(1,"Client %s : expired.",inet_ntoa(sublist->in_a.sin_addr)); vc_printlog(4,"Client %s : expire time: %lu, now= %lu.",inet_ntoa(sublist->in_a.sin_addr),sublist->expire.tv_sec,now.tv_sec); if (sublist->plug){ vde_close(sublist->plug); sublist->plug=NULL; } if (sublist->state == ST_AUTH && enc_type == ENC_SSH){ snprintf(filename,127,"/tmp/.%s.key",sublist->id); if (unlink(filename) == 0){ vc_printlog(2,"Successfully removed key file %s", filename); }else{ vc_printlog(2,"Could not remove key file %s", filename); } } free(sublist); return nxt; } sublist->next=clean_peerlist(sublist->next); return sublist; } /* * Returns a list of all the peer in the peer list, adding their * network socket to pollfd. * This is called in blowfish_select, to populate the pollfd structure. */ static struct peer *populate_peerlist(struct pollfd *pfd) { static struct peer *iter, *peerlist; iter=list; //=clean_peerlist(list); if(peerlist) free(peerlist); peerlist=(struct peer *) malloc( (numberofpeers()+1)*sizeof(struct peer) ); _populatepoll(pfd,iter,1,peerlist); return peerlist; } /* * Get a pointer to the peer in the list which has the given udp address. */ static struct peer *getpeer(struct sockaddr_in saddr) { struct peer *iter=list; return (_getpeer(saddr,iter)); } /* * Get a pointer to the peer in the list which key filename is the same of that in the login datagram. */ static void do_exit(int signo){ vc_printlog(1,"Caught signal, exiting."); remove_peerlist(list); exit(0); } static void set_expire(struct peer *p, unsigned char cmd) { struct timeval now; gettimeofday(&now,NULL); p->expire.tv_usec = 0; switch (cmd){ case EXPIRE_NOW: p->expire.tv_sec = now.tv_sec + PRELOGIN_TIMEOUT; break; case CMD_CHALLENGE: p->expire.tv_sec = now.tv_sec + CHALLENGE_TIMEOUT; break; case CMD_LOGIN: p->expire.tv_sec = now.tv_sec + PRELOGIN_TIMEOUT; break; default: p->expire.tv_sec = now.tv_sec + SESSION_TIMEOUT; break; } } static void deny_access(struct peer *p) { send_udp((unsigned char *)"Access Denied.\0",15,p,CMD_DENY); p->state = ST_CLOSED; set_expire(p, EXPIRE_NOW); } /* * Send a "Challenge" 4WHS packet. */ static void send_challenge(struct peer *p) { int fd; if ( ((fd = open ("/dev/urandom", O_RDONLY)) == -1)|| ((read (fd, p->challenge, 128)) != -1)) { send_udp((unsigned char *)p->challenge,128,p,PKT_CTL|CMD_CHALLENGE); } p->state=ST_CHALLENGE; close(fd); } /* * Send a "Auth OK" 4WHS packet. */ static void send_auth_ok(struct peer *p) { send_udp(NULL,0,p,CMD_AUTH_OK); p->state=ST_AUTH; if(!p->plug) vde_plug(p, plugname); set_expire(p,CMD_AUTH_OK); } /* * Receive a login request. Send challenge. */ static void rcv_login(struct datagram *pkt, char *pre_shared) { int fd; char filename[128]; if(!pre_shared) snprintf(filename,127,"/tmp/.%s.key",pkt->data+1); else snprintf(filename,127,"%s",pre_shared); sync(); usleep(10000); if (((fd = open (filename, O_RDONLY)) == -1)|| ((read (fd, pkt->orig->key, 16)) == -1) || ((read (fd, pkt->orig->iv, 8)) == -1) ){ perror ("blowfish.key open error"); deny_access(pkt->orig); return; } close(fd); memcpy(pkt->orig->id,pkt->data+1,FILENAMESIZE); vc_printlog(2,"Sending challenge... "); send_challenge(pkt->orig); set_expire(pkt->orig, CMD_CHALLENGE); vc_printlog(2,"OK.\n"); } /* * Receive a response from challenge. Validate encryption and send "ok auth" * or "access denied" */ static void rcv_response(struct datagram *pkt) { unsigned char response[MAXPKT]; int rlen; struct peer *p = pkt->orig; rlen = data_decrypt(pkt->data + 1, response, pkt->len - 1, p); if (rlen > 0 && strncmp((char *)response, p->challenge,128)==0){ p->state = ST_AUTH; send_auth_ok(p); } else { deny_access(p); } } /* * Main select routine. * A poll will wake up whenever a new packet is available to read, either from one * of the vde_plug attached, or from udp socket. * Returns a struct datagram aware of its own source. */ static int recv_datagram_srv(struct datagram *pkt, int nfd) { unsigned peerlen; int pollret; static struct pollfd *pfd = NULL; static struct peer *peerlist = NULL; static int i=1; if (pfd) free(pfd); pfd=malloc((1+numberofpeers())*sizeof(struct pollfd)); pfd[0].fd=nfd; pfd[0].events=POLLIN|POLLHUP; peerlist = populate_peerlist(pfd); pollret = poll(pfd,1+numberofpeers(),1000); if(pollret<0){ if(errno==EINTR) return 0; perror("poll"); exit(1); } if (pollret == 0) { list = clean_peerlist(list); return 0; } for(;;){ if (pfd[0].revents&POLLIN) { struct sockaddr_in ipaddress; peerlen = sizeof(struct sockaddr_in); pkt->len = recvfrom(nfd, pkt->data, MAXPKT, 0, (struct sockaddr *) &ipaddress, &peerlen); pkt->orig=getpeer(ipaddress); if(!pkt->orig){ pkt->orig=malloc(sizeof(struct peer)); memset(pkt->orig,0,sizeof(struct peer)); pkt->orig->in_a.sin_family = AF_INET; pkt->orig->in_a.sin_port = ipaddress.sin_port; pkt->orig->in_a.sin_addr.s_addr= ipaddress.sin_addr.s_addr; pkt->orig->state=ST_CLOSED; addpeer(pkt->orig); set_expire(pkt->orig, CMD_LOGIN); } pkt->src = SRC_UDP; return 1; } // This increment comes with "static int i" def, to ensure fairness among peers. i++; if(i>numberofpeers()) { i=1; } if (pfd[i].revents&POLLNVAL || pfd[i].revents&POLLHUP){ usleep(10000); return 0; } if (pfd[i].revents&POLLIN && peerlist[i].plug != NULL ) { pkt->len = vde_recv(peerlist[i].plug, pkt->data, MAXPKT,0); if(pkt->len<1) return 0; pkt->src = SRC_VDE; pkt->orig = &(peerlist[i]); return 1; } break; } return 0; } void cryptcab_server(char *_plugname, unsigned short udp_port, enum e_enc_type _enc_type, char *pre_shared) { int wire, r; struct sockaddr_in myaddr; struct datagram pkt, pkt_dec; struct sigaction sa_timer; struct sigaction sa_exit; struct peer *p1; enc_type = _enc_type; plugname = _plugname; sigemptyset(&sa_timer.sa_mask); sigemptyset(&sa_exit.sa_mask); sa_exit.sa_handler = do_exit; sigaction(SIGINT, &sa_exit, NULL); sigaction(SIGTERM, &sa_exit, NULL); if(enc_type == ENC_PRESHARED && (!pre_shared || access(pre_shared,R_OK)!=0)){ fprintf(stderr,"Error accessing pre-shared key %s\n",pre_shared); perror ("access"); exit(1); } if (enc_type == ENC_NOENC) disable_encryption(); memset ((char *)&myaddr, 0, sizeof(myaddr)); myaddr.sin_family = AF_INET; myaddr.sin_addr.s_addr = htonl(INADDR_ANY); myaddr.sin_port = htons(udp_port); wire = socket(PF_INET,SOCK_DGRAM,0); if (bind(wire,(struct sockaddr *) &myaddr, sizeof(myaddr))<0) {perror("bind socket"); exit(3);} set_nfd(wire); for(;;){ r = recv_datagram_srv(&pkt, wire); if (r == 0) continue; // fprintf(stderr,"."); p1 = pkt.orig; if(pkt.src==SRC_VDE){ if(p1->state==ST_AUTH){ send_udp(pkt.data, pkt.len, p1, PKT_DATA); } continue; } else if(pkt.src==SRC_UDP){ switch(p1->state + pkt.data[0]) { case (ST_AUTH + PKT_DATA): vc_printlog(4,"Data pkt received (%d Bytes)",pkt.len); pkt_dec.len = data_decrypt(pkt.data+1, pkt_dec.data, pkt.len-1, p1); set_expire(p1, CMD_KEEPALIVE); vde_send(p1->plug,pkt_dec.data,pkt_dec.len,0); break; case (ST_AUTH + CMD_KEEPALIVE): vc_printlog(4,"Keepalive received from %s",inet_ntoa(p1->in_a.sin_addr)); set_expire(p1, CMD_KEEPALIVE); break; case ST_AUTH + CMD_LOGIN: set_expire(p1, EXPIRE_NOW); case ST_CLOSED + CMD_LOGIN: vc_printlog(4,"Login pkt received."); p1->state=ST_OPENING; p1->counter=0; rcv_login(&pkt,pre_shared); break; case ST_CHALLENGE + CMD_RESPONSE: vc_printlog(4,"Response pkt received."); //fprintf(stderr, "Receiving response\n"); rcv_response(&pkt); break; default: vc_printlog(4,"Unknown/undesired pkt received. 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uint32_t limit; uint32_t dropped; }; #define bfifo_tcpriv(x) (struct tc_bfifo*)(tcpriv(x)) /* * Enqueue function. Try to add the packet 'vdb' to the output queue * of the interface 'vif' * * return value: 1 = packet was enqueued, 0 = packet was rejected */ int bfifo_enqueue(struct vde_buff *vdb, struct vde_iface *vif) { struct tc_bfifo *bfifo = bfifo_tcpriv(vif); if ( (bfifo->qlen + vdb->len) < bfifo->limit){ bfifo->qlen += vdb->len; ufifo_enqueue(vdb,vif); return 1; }else{ /* Queue Full: dropping. */ free(vdb); bfifo->dropped++; return 0; } } /* Dequeue function. Interface is ready to send the packet. * */ int bfifo_dequeue(struct vde_iface *vif) { struct tc_bfifo *bfifo = bfifo_tcpriv(vif); (void)ufifo_dequeue(vif); if(bfifo->qlen > 0) bfifo->qlen -= vif->q_out->len; return (bfifo->qlen > 0); } /* Function to initialize the queue on the given interface. */ int bfifo_init(struct vde_iface *vif, char *args) { struct tc_bfifo *bfifo=(struct tc_bfifo *)malloc(sizeof(struct tc_bfifo)); int arglen = strlen(args) - 1; if ((arglen < 6) || strncmp(args,"limit ",6) || (sscanf(args+6, "%u",&(bfifo->limit)) < 1) ) return 0; bfifo->qlen = 0; bfifo->dropped = 0; vif->policy_name="bfifo"; memcpy(vif->tc_priv, bfifo, sizeof(struct tc_bfifo)); return 1; } char *bfifo_tc_stats(struct vde_iface *vif) { struct tc_bfifo *bfifo = bfifo_tcpriv(vif); char *statistics=(char*)malloc(256); snprintf(statistics,255,"Limit: %u bytes. Dropped: %u packets.", bfifo->limit, bfifo->dropped); return statistics; } /* * Module symbol to load into module list. * */ struct routing_policy module_routing_policy= { .name="bfifo", .help="Packet Fifo queue\nUsage: tc set bfifo limit \n", .policy_init = bfifo_init, .enqueue = bfifo_enqueue, .dequeue = bfifo_dequeue, .tc_stats = bfifo_tc_stats }; static void __attribute__ ((constructor)) init (void) { fprintf(stderr,"Loading library: bfifo.so\n"); } static void __attribute__ ((destructor)) fini (void) { } vde2-2.3.2+r586/src/vde_l3/pfifo.c0000644000000000000000000000442113614540472013165 0ustar /* * tc pfifo module * Usage: tc set pfifo limit * * */ #include #include #include #include #include #include #include "vde_buff.h" #include "vde_l3.h" /** Private per-interface structure * */ struct tc_pfifo { uint32_t qlen; uint32_t limit; uint32_t dropped; }; #define pfifo_tcpriv(x) (struct tc_pfifo*)(tcpriv(x)) /* * Enqueue function. Try to add the packet 'vdb' to the output queue * of the interface 'vif' * * return value: 1 = packet was enqueued, 0 = packet was rejected */ int pfifo_enqueue(struct vde_buff *vdb, struct vde_iface *vif) { struct tc_pfifo *pfifo = pfifo_tcpriv(vif); if (pfifo->qlen < pfifo->limit){ pfifo->qlen++; ufifo_enqueue(vdb,vif); return 1; }else{ /* Queue Full: dropping. */ free(vdb); pfifo->dropped++; return 0; } } /* Dequeue function. Interface is ready to send the packet. * */ int pfifo_dequeue(struct vde_iface *vif) { struct tc_pfifo *pfifo = pfifo_tcpriv(vif); (void)ufifo_dequeue(vif); if(pfifo->qlen > 0) pfifo->qlen--; return (pfifo->qlen > 0); } /* Function to initialize the queue on the given interface. */ int pfifo_init(struct vde_iface *vif, char *args) { struct tc_pfifo *pfifo=(struct tc_pfifo *)malloc(sizeof(struct tc_pfifo)); int arglen = strlen(args) - 1; if ((arglen < 6) || strncmp(args,"limit ",6) || (sscanf(args+6, "%u",&(pfifo->limit)) < 1) ) return 0; pfifo->qlen = 0; pfifo->dropped = 0; vif->policy_name="pfifo"; memcpy(vif->tc_priv, pfifo, sizeof(struct tc_pfifo)); return 1; } char *pfifo_tc_stats(struct vde_iface *vif) { struct tc_pfifo *pfifo = pfifo_tcpriv(vif); char *statistics=(char*)malloc(256); snprintf(statistics,255,"Limit: %u packets. Dropped: %u packets.", pfifo->limit, pfifo->dropped); return statistics; } /* * Module symbol to load into module list. * */ struct routing_policy module_routing_policy= { .name="pfifo", .help="Packet Fifo queue\nUsage: tc set pfifo limit \n", .policy_init = pfifo_init, .enqueue = pfifo_enqueue, .dequeue = pfifo_dequeue, .tc_stats = pfifo_tc_stats }; static void __attribute__ ((constructor)) init (void) { fprintf(stderr,"Loading library: pfifo.so\n"); } static void __attribute__ ((destructor)) fini (void) { } vde2-2.3.2+r586/src/vde_l3/tbf.c0000644000000000000000000001047313614540472012641 0ustar /* * tc token bucket module * Usage: tc set tbf rate [K|M] limit * Alternate usage: tc set tbf rate [K|M] latency * * * * */ #include #include #include #include #include #include #include "vde_buff.h" #include #include #include #include "vde_l3.h" struct timeval add_t(struct timeval x, struct timeval y) { struct timeval ret = { .tv_sec = x.tv_sec + y.tv_sec + ((x.tv_usec + y.tv_usec) / 1000000), .tv_usec = (x.tv_usec + y.tv_usec) % 1000000 }; return ret; } #define before(x,y) x.tv_sec < y.tv_sec || (x.tv_sec == y.tv_sec && x.tv_usec < y.tv_usec) #define tbf_tcpriv(x) (struct tc_tbf*)(tcpriv(x)) /** Private per-interface structure * */ struct tc_tbf { uint32_t qlen; // Bytes. uint32_t limit; // Bytes. uint32_t latency; // ms uint32_t rate; // bits/s uint32_t dropped; //packets uint32_t mtu; uint32_t bytes_out; struct timeval delta; struct timeval last_out; }; /* * Enqueue function. Try to add the packet 'vdb' to the output queue * of the interface 'vif' * * return value: 1 = packet was enqueued, 0 = packet was rejected */ int tbf_enqueue(struct vde_buff *vdb, struct vde_iface *vif) { struct tc_tbf *tbf = tbf_tcpriv(vif); if (tbf->qlen < tbf->limit){ tbf->qlen+=vdb->len; ufifo_enqueue(vdb,vif); if(vdb->len > tbf->mtu){ tbf->mtu = vdb->len; tbf->delta.tv_usec = (1000000*tbf->mtu) / tbf->rate; if (tbf->latency){ tbf->limit = (tbf->rate/tbf->mtu) * tbf->latency; } } return 1; }else{ /* Queue Full: dropping. */ free(vdb); tbf->dropped++; return 0; } } /* Dequeue function. Interface is ready to send the packet. * */ int tbf_dequeue(struct vde_iface *vif) { struct tc_tbf *tbf = tbf_tcpriv(vif); struct timeval now; struct timeval when; gettimeofday(&now,NULL); when = add_t (tbf->last_out, tbf->delta); if (before(now, when)) return 0; tbf->bytes_out = vif->q_out->len; ufifo_dequeue(vif); tbf->qlen -= tbf->bytes_out; while (tbf->bytes_out >= tbf->mtu){ memcpy(&tbf->last_out,&now,sizeof(struct timeval)); tbf->bytes_out -= tbf->mtu; } return 1; } /* Function to initialize the queue on the given interface. */ int tbf_init(struct vde_iface *vif, char *args) { struct tc_tbf *tbf=(struct tc_tbf *)malloc(sizeof(struct tc_tbf)); int arglen = strlen(args) - 1; uint32_t latency=0; char *rate; if ((arglen < 5) || strncmp(args,"rate",4)) goto fail; args=index(args,' '); if(args) *(args++)=(char)0; rate=args; if(!args || sscanf(args, "%u",&(tbf->rate)) < 1) goto fail; args=index(args,' '); if(args) *(args++)=(char)0; if(index(rate,'K')) tbf->rate *=1000; else if(index(rate,'M')) tbf->rate *=1000000; if(tbf->rate < 5000) goto fail; tbf->rate = (tbf->rate >> 3); // from bits/s --> to Bytes/s if(strncmp(args,"latency",7)==0){ args=index(args,' '); if(args) *(args++)=(char)0; if(!args || sscanf(args, "%u",&latency) < 1) goto fail; } else if (strncmp(args,"limit",5)==0){ args=index(args,' '); if(args) *(args++)=(char)0; if(!args || sscanf(args, "%u",&(tbf->limit)) < 1) goto fail; } else goto fail; tbf->mtu=1000; if(latency){ tbf->limit = (tbf->rate/tbf->mtu) * latency; } tbf->latency = latency; gettimeofday(&tbf->last_out,NULL); tbf->qlen = 0; tbf->dropped = 0; tbf->bytes_out = 0; tbf->delta.tv_sec = 0; tbf->delta.tv_usec = (1000000*tbf->mtu) / tbf->rate; vif->policy_name="tbf"; memcpy(vif->tc_priv, tbf, sizeof(struct tc_tbf)); return 1; fail: return 0; } char *tbf_tc_stats(struct vde_iface *vif) { struct tc_tbf *tbf = tbf_tcpriv(vif); char *statistics=(char*)malloc(256); snprintf(statistics,255,"Shaping at Rate = %u Bytes/s, bucket limit: %u bytes. Overlimits: %u packets. MTU=%u", tbf->rate, tbf->limit, tbf->dropped, tbf->mtu); return statistics; } /* * Module symbol to load into module list. * */ struct routing_policy module_routing_policy= { .name="tbf", .help="Packet Fifo queue\nUsage: tc set tbf rate [K|M] ( limit | latency )\n", .policy_init = tbf_init, .enqueue = tbf_enqueue, .dequeue = tbf_dequeue, .tc_stats = tbf_tc_stats }; static void __attribute__ ((constructor)) init (void) { fprintf(stderr,"Loading library: tbf.so\n"); } static void __attribute__ ((destructor)) fini (void) { } vde2-2.3.2+r586/src/vde_l3/vde_buff.h0000644000000000000000000000610013614540472013643 0ustar /* VDE_ROUTER (C) 2007 Daniele Lacamera * * Licensed under the GPLv2 * * This is a tiny v4 router that can be used to link * together two or more vde switches. * */ #ifndef __VDE_BUFF_H #define __VDE_BUFF_H #include #include #include #include #include #include #include #define PTYPE_IP 0x0800 #define PTYPE_ARP 0x0806 #define PROTO_ICMP 1 #define PROTO_TCP 6 #define PROTO_UDP 17 #if defined(VDE_FREEBSD) || defined(VDE_DARWIN) struct iphdr { #if BYTE_ORDER == LITTLE_ENDIAN unsigned int ihl:4; unsigned int version:4; #elif BYTE_ORDER == BIG_ENDIAN unsigned int version:4; unsigned int ihl:4; #endif u_int8_t tos; u_int16_t tot_len; u_int16_t id; u_int16_t frag_off; u_int8_t ttl; u_int8_t protocol; u_int16_t check; u_int32_t saddr; u_int32_t daddr; /*The options start here. */ }; #endif struct __attribute__ ((__packed__)) vde_ethernet_header { uint8_t dst[6]; uint8_t src[6]; uint16_t buftype; }; struct __attribute__ ((__packed__)) vde_buff { struct vde_buff *next; // struct vde_ethernet_header eth_h; // struct iphdr ip_h; char *data; unsigned long len; }; struct vde_route { struct vde_route *next; uint32_t network; uint32_t nm; uint32_t gw; }; struct vde_iface { uint8_t id; // Interface number VDECONN *vdec; // vde connector uint8_t mac[6]; // 6-byte unicast mac address uint32_t ipaddr; // 4-byte ip address uint32_t nm; // netmask struct vde_buff *q_in; struct vde_buff *q_out; /* Routing policy options */ char *policy_name; int (*policy_init)(struct vde_iface *vif, char *args); int (*enqueue)(struct vde_buff *vdb, struct vde_iface *vif); int (*dequeue)(struct vde_iface *vif); char *(*tc_stats)(struct vde_iface *vif); uint32_t tc_priv[16]; struct vde_iface *next; }; #define TC_PRIV_SIZE 16 * sizeof(uint32_t) struct routing_policy { char *name; char *help; int (*policy_init)(struct vde_iface *vif, char *args); int (*enqueue)(struct vde_buff *vdb, struct vde_iface *vif); int (*dequeue)(struct vde_iface *vif); char *(*tc_stats)(struct vde_iface *vif); struct routing_policy *next; }; struct arp_entry { uint8_t mac[6]; uint32_t ipaddr; struct arp_entry *next; }; struct vde_router { struct vde_iface *interfaces; struct vde_route *route_table; struct arp_entry *arp_table; struct vde_buff *arp_pending; struct routing_policy *modlist; uint32_t default_gw; }; /* Arp */ #define ARP_REQUEST 1 #define ARP_REPLY 2 #define ETHERNET_ADDRESS_SIZE 6 #define IP_ADDRESS_SIZE 4 #define ETH_BCAST "\xFF\xFF\xFF\xFF\xFF\xFF" #define HTYPE_ETH 1 struct __attribute__ ((__packed__)) arp_header { uint16_t htype; uint16_t ptype; uint8_t hsize; uint8_t psize; uint16_t opcode; uint8_t s_mac[6]; uint32_t s_addr; uint8_t d_mac[6]; uint32_t d_addr; }; /* * The main structure. Contains: interfaces, routing table, * arp pending, etc. */ extern struct vde_router VDEROUTER; void policy_register(struct routing_policy *r); size_t raw_send(struct vde_iface *of,struct vde_buff *vdb); #endif vde2-2.3.2+r586/src/vde_l3/vde_l3.c0000644000000000000000000010345313614540472013243 0ustar /* VDE_ROUTER (C) 2007 Daniele Lacamera * * Licensed under the GPLv2 * * This is a tiny v4 router that can be used to link * together two or more vde switches. * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "vde_buff.h" #include "vde_l3.h" #define MAXCMD 255 #define DEBUG 0 #if defined(VDE_FREEBSD) || defined(VDE_DARWIN) || defined(VDE_BIONIC) #define ICMP_DEST_UNREACH 3 #define ICMP_PROT_UNREACH 2 #endif /* * The main structure. Contains: interfaces, routing table, * arp pending, etc. */ struct vde_router VDEROUTER; /* This is the default routing policy ( Unlimited fifo ) * * */ int ufifo_enqueue(struct vde_buff *vdb, struct vde_iface *vif) { struct vde_buff *qo = vif->q_out; if (qo == NULL){ vif->q_out=vdb; return 1; } while (qo->next!=NULL){ qo=qo->next; } qo->next = vdb; return 1; } int ufifo_dequeue(struct vde_iface *vif){ struct vde_buff *vdb_out=vif->q_out; raw_send(vif,vdb_out); vif->q_out=vdb_out->next; return (vif->q_out?1:0); } int ufifo_init(struct vde_iface *vif, char *args) { vif->policy_name = "ufifo"; return (strlen(args) == 0); } char *nostats(struct vde_iface *vif) { return "No Statistics Available."; } struct routing_policy unlimited_fifo_routing_policy ={ .name = "ufifo", .help = "Unlimited FIFO (Default)\nUsage: tc set ufifo\n", .enqueue = ufifo_enqueue, .dequeue = ufifo_dequeue, .tc_stats = nostats, .policy_init = ufifo_init }; inline struct vde_ethernet_header *ethhead(struct vde_buff *vdb) { return (struct vde_ethernet_header*)(vdb->data); } inline struct iphdr *iphead(struct vde_buff *vdb) { return (struct iphdr*)(vdb->data + 14); } inline void *payload(struct vde_buff *vdb) { return (uint8_t*)(vdb->data + 14 + sizeof(struct iphdr)); } void * tcpriv(struct vde_iface *vi) { return (void *)(vi->tc_priv); } void policy_register(struct routing_policy *r) { struct routing_policy *p = VDEROUTER.modlist; if(p==NULL){ VDEROUTER.modlist = r; return; } while (p->next!=NULL){ p=p->next; } r->next=NULL; p->next=r; } struct routing_policy *getpolicy(char *name) { struct routing_policy *p = VDEROUTER.modlist; struct routing_policy *new; void *di; char libname[300],libname2[300],libname3[300]; snprintf(libname,255,"%s.so",name); snprintf(libname2,255,"/usr/lib/vde2/vde_l3/%s.so",name); snprintf(libname3,255,"/usr/local/lib/vde2/vde_l3/%s.so",name); while (p){ if (!strncmp(name,p->name,255)) return p; p=p->next; } di = dlopen(libname,RTLD_LAZY); if (di == NULL) di = dlopen(libname2,RTLD_LAZY); if (di == NULL) di = dlopen(libname3,RTLD_LAZY); if (di == NULL){ fprintf(stderr,"Error loading module %s: %s\n",libname,dlerror()); return NULL; }else{ new = (struct routing_policy *) dlsym(di,"module_routing_policy"); if(new!=NULL){ policy_register(new); return new; }else{ fprintf(stderr,"Error registering module %s: %s\n",libname,dlerror()); return NULL; } } } void set_interface_policy (struct vde_iface *vif, struct routing_policy *rp) { vif->enqueue = rp->enqueue; vif->dequeue = rp->dequeue; if (rp->tc_stats) vif->tc_stats = rp->tc_stats; else vif->tc_stats = nostats; vif->policy_init = rp->policy_init; } static const int mgmtmode=0700; static int max_total_sockets=0; static char *progname; /* Small utility functions, to talk to humans. */ static char *ip2ascii(uint32_t ip){ struct in_addr ia_be; ia_be.s_addr = htonl(ip); return(strdup(inet_ntoa(ia_be))); } uint8_t *ip2mac(uint32_t ip) { uint8_t *ret =(uint8_t *) malloc(6); uint32_t bigendian_ip = htonl(ip); *ret = 0; *(ret+1) = 0xAA; memcpy(ret+2,&bigendian_ip,4); return ret; } static char *mac2ascii(uint8_t *mac){ char *res = calloc(1,18); snprintf(res,18,"%02X:%02X:%02X:%02X:%02X:%02X", mac[0],mac[1],mac[2],mac[3],mac[4],mac[5]); return res; } /* * Get an interface from its id */ static struct vde_iface *get_interface(int id){ struct vde_iface *ifc = VDEROUTER.interfaces; while(ifc){ if(ifc->id == id) return ifc; ifc = ifc->next; } return NULL; } void usage(char *p) { fprintf(stderr,"Usage: %s [-G default_gw] -v vde_sock1:ipaddess1/netmask1 [-v ...] [-v vde_sockN:ipaddessN/netmaskN]\n",p); fprintf(stderr," [-r network/netmask:gateway ] [-r ...] \n"); fprintf(stderr,"Options:\n"); fprintf(stderr,"-v VDESOCK:ADDRESS/NETMASK adds a network interface\n" \ "\twith address ADDRESS and netmask NETMASK. \n" \ "\tThe interface is connected to the vde socket VDESOCK.\n" \ "\t(At least one '-v' argument is required.)\n" \ "\n"); fprintf(stderr,"-r ADDRESS/NETMASK:GATEWAY adds a static route to the network\n" \ "\tADDRESS with netmask NETMASK, through the gateway GATEWAY. \n" \ "\n"); fprintf(stderr,"-G ADDRESS sets the router default gateway to ADDRESS.\n" \ "\n"); exit(1); } /* physically copy a vde_buff */ struct vde_buff *buff_clone( struct vde_buff *orig) { struct vde_buff *clone = (struct vde_buff *)calloc(1,sizeof(struct vde_buff)); memcpy (clone,orig,sizeof(struct vde_buff)); clone->data = (char *)calloc(1,orig->len); memcpy(clone->data,orig->data,orig->len); return clone; } /** * Send a packet directly using the ethernet */ size_t raw_send(struct vde_iface *of,struct vde_buff *vdb) { #if(DEBUG) fprintf(stderr,"Sending a %luB packet. VDECONN@%p. Protocol = %d through iface %d.\n",vdb->len,&(of->vdec),ntohs(*((uint16_t *)(vdb->data+12))),of->id); #endif return vde_send(of->vdec,vdb->data,vdb->len,0); } int ip_input(struct vde_buff *vdb); int ip_output(struct vde_buff *vdb, uint32_t dst, uint8_t protocol); size_t arp_query(struct vde_iface *oif, uint32_t tgt); struct vde_iface *is_neightbor(uint32_t addr); /* ip output wrapper */ int ip_output_ready(struct vde_buff *vdb){ struct iphdr *iph = iphead(vdb); return ip_output(vdb,ntohl(iph->daddr), iph->protocol); } /* List utilities * * */ static struct vde_iface *add_iface(struct vde_iface *new, struct vde_iface *list) { if(list==NULL) return new; list->next=add_iface(new,list->next); return list; } static struct vde_route *add_route(struct vde_route *new, struct vde_route *list) { if(list==NULL) return new; list->next=add_route(new,list->next); return list; } static struct arp_entry *add_arp_entry(struct arp_entry *new, struct arp_entry *list) { if(list==NULL) return new; list->next=add_arp_entry(new,list->next); return list; } /* Dequeue all pending packets that were * waiting for arp IP/MAC association. */ static void dequeue_pending(uint32_t addr) { struct vde_buff *pq = VDEROUTER.arp_pending; struct vde_buff *tmp; struct iphdr *h=iphead(pq); if(ntohs(h->daddr) == addr){ ip_output(pq, addr, h->protocol); VDEROUTER.arp_pending = pq->next; } while(pq->next){ h=iphead(pq->next); if (h->daddr == addr) { ip_output(pq->next,addr,h->protocol); tmp=pq->next; pq->next = tmp->next; //free(tmp); } pq=pq->next; } } /* * Get an arp entry from its ip. */ static struct arp_entry *get_arp_entry(uint32_t ipaddr) { struct arp_entry *a=VDEROUTER.arp_table; while (a){ if (a->ipaddr == ipaddr) return a; a = a->next; } return NULL; } /* Prepare a vde_buff to be sent through a local interface */ int neightbor_send(struct vde_iface *to, struct vde_buff *vdb) { struct arp_entry *ae; struct vde_ethernet_header *he; struct iphdr *iph = iphead(vdb); int packets_in = 0; ae = get_arp_entry(iph->daddr); he=ethhead(vdb); if(ae){ memcpy(he->src,to->mac, 6); memcpy(he->dst,ae->mac, 6); packets_in = to->enqueue(vdb,to); }else{ memset(he->src,0,6); // VDEROUTER.arp_pending=enqueue(vdb,VDEROUTER.arp_pending); arp_query(to, ntohl(iph->daddr)); } return packets_in; } /* Prepare a vde_buff to be sent through a gateway */ int gateway_send(struct vde_buff *vdb, uint32_t gw) { struct arp_entry *ae; struct vde_ethernet_header *he; struct vde_iface *to = is_neightbor(gw); int packets_in = 0; ae = get_arp_entry(htonl(gw)); he=ethhead(vdb); if(ae){ memcpy(he->src,to->mac, 6); memcpy(he->dst,ae->mac, 6); packets_in = to->enqueue(vdb,to); }else{ memset(he->dst, 0, 6); // VDEROUTER.arp_pending=enqueue(vdb,VDEROUTER.arp_pending); arp_query(to, gw); } return packets_in; } /* * Swap src/dst mac addresses at given mem addresses */ static void swap_macaddr(uint8_t addr1[], uint8_t addr2[]) { uint8_t tmp[6]; memcpy(tmp,addr1,6); memcpy(addr1,addr2,6); memcpy(addr2,tmp,6); } /* * Swap src/dst ip addresses at given mem addresses */ static void swap_ipaddr(uint32_t *addr1, uint32_t *addr2) { uint32_t tmp; memcpy(&tmp,addr1,4); memcpy(addr1,addr2,4); memcpy(addr2,&tmp,4); } /***** * Allocate a new vde_buff packet of given size */ static struct vde_buff *vdebuff_alloc(size_t size) { struct vde_buff *ret; struct vde_ethernet_header *veh; ret=(struct vde_buff *)calloc(1,sizeof(struct vde_buff)); // fprintf(stderr,"ALLOCATING %lu Bytes of memory: ",size); ret->data=(char *)calloc(1,size+1); if(ret==NULL || ret->data==NULL){ perror("Out of Memory.\n"); exit(1); } // fprintf(stderr,"Done.\n",size); veh=ethhead(ret); // Set default packet type (IP) veh->buftype = htons(PTYPE_IP); ret->len = size; ret->next = NULL; return ret; } /*** * Gets interface's mac address in a new array */ static inline char *macaddr(struct vde_iface *vif) { char *mac=(char*)calloc(1,ETHERNET_ADDRESS_SIZE); memcpy(mac,vif->mac,6); return mac; } size_t vde_router_receive(struct vde_iface i) { return 0; } /* RFC 826 */ int is_arp_pending(struct vde_iface *of, uint8_t *mac){return 0;} /** * Prepare and send an arp query */ size_t arp_query(struct vde_iface *oif, uint32_t tgt) { struct vde_ethernet_header *vdeh; struct arp_header *ah; struct vde_buff *vdb; /* Allocate 60B buffer for ARP request */ vdb = vdebuff_alloc(60); /* populate eth header */ vdeh = ethhead(vdb); memcpy(vdeh->dst, ETH_BCAST, 6); memcpy(vdeh->src, oif->mac ,6); vdeh->buftype = htons(PTYPE_ARP); /* build arp payload */ ah =(struct arp_header *)iphead(vdb); ah->htype = htons(HTYPE_ETH); ah->ptype = htons(PTYPE_IP); ah->hsize = ETHERNET_ADDRESS_SIZE; ah->psize = IP_ADDRESS_SIZE; ah->opcode = htons(ARP_REQUEST); memcpy(ah->s_mac, oif->mac,6); ah->s_addr = htonl(oif->ipaddr); memset(ah->d_mac,0,6); ah->d_addr = htonl(tgt); return(raw_send(oif,vdb)); } /** * Reply to given arp request, if needed */ size_t arp_reply(struct vde_iface *oif, struct vde_buff *vdb) { struct vde_ethernet_header *vdeh; struct arp_header *ah; vdeh=ethhead(vdb); swap_macaddr(vdeh->src,vdeh->dst); memcpy(vdeh->src,oif->mac,6); ah =(struct arp_header *)iphead(vdb); ah->opcode = htons(ARP_REPLY); swap_macaddr(ah->s_mac, ah->d_mac); memcpy(ah->s_mac, oif->mac,6); swap_ipaddr(&(ah->s_addr), &(ah->d_addr)); return(raw_send(oif,vdb)); } /* Internet Protocol */ /* get the interface struct from its address */ struct vde_iface *get_iface_by_ipaddr(uint32_t addr) { struct vde_iface *vif = VDEROUTER.interfaces; while(vif){ if(vif->ipaddr == addr) return vif; vif = vif->next; } return NULL; } /* * Gets the interface through which we should be able to reach * the given ip address. If the destination is not a neighbor, * returns a NULL pointer. */ struct vde_iface *is_neightbor(uint32_t addr) { struct vde_iface *vif = VDEROUTER.interfaces; while(vif){ if((vif->ipaddr&vif->nm) == (addr&vif->nm)) return vif; vif = vif->next; } return NULL; } /** * Returns the ip address of the gateway for this destination. * If more than one route matches, the route with the stricter * netmask is chosen. */ uint32_t get_gateway(uint32_t addr) { struct vde_route *vdr = VDEROUTER.route_table; uint32_t res = 0; uint32_t max_netmask = 0; while(vdr){ if((vdr->network & vdr->nm) == (addr & vdr->nm) && vdr->nm > max_netmask){ res = vdr->gw; max_netmask = vdr->nm; } vdr = vdr->next; } if(!res) return VDEROUTER.default_gw; return res; } /* Parse an incoming arp packet */ int parse_arp(struct vde_buff *vdb) { struct arp_header *ah; struct vde_iface *vif; struct arp_entry *ae=(struct arp_entry*)malloc(sizeof(struct arp_entry));; ah = (struct arp_header *)iphead(vdb); vif = get_iface_by_ipaddr(ntohl(ah->d_addr)); if(!vif){ return -1; } memcpy(ae->mac,ah->s_mac,6); ae->ipaddr=ah->s_addr; VDEROUTER.arp_table = add_arp_entry(ae,VDEROUTER.arp_table); switch(ntohs(ah->opcode)){ case ARP_REQUEST: arp_reply(vif, vdb); return 0; case ARP_REPLY: if(is_arp_pending(vif,ah->s_mac)){ dequeue_pending(ntohl(ah->s_addr)); return 0; } break; } return -1; } /* * * * Wrapper for neightbor/gateway send * * */ int ip_send(struct vde_buff *vdb) { struct vde_iface *oif; struct iphdr *iph=iphead(vdb); uint32_t gateway; oif = is_neightbor(ntohl(iph->daddr)); if (oif!=NULL){ return neightbor_send(oif,vdb); } gateway = get_gateway(ntohl(iph->daddr)); if(gateway) return gateway_send(vdb,gateway); else return -1; } /* * Forward the ip packet to next hop. TTL is decreased, * checksum is set again for coherence, and TTL overdue * packets are not forwarded. */ int ip_forward(struct vde_buff *vdb){ struct iphdr *iph=iphead(vdb); iph->ttl--; iph->check++; if(iph->ttl < 1) return -1; else return ip_send(vdb); } /** * Get a IP packet */ int parse_ip(struct vde_buff *vdb) { struct vde_ethernet_header *eh; struct iphdr *iph=iphead(vdb); struct arp_entry *ae; eh=ethhead(vdb); if(!get_arp_entry(iph->saddr)){ ae=(struct arp_entry*)malloc(sizeof(struct arp_entry));; memcpy(ae->mac,eh->src,6); ae->ipaddr = iph->saddr; VDEROUTER.arp_table = add_arp_entry(ae,VDEROUTER.arp_table); } if (get_iface_by_ipaddr(ntohl(iph->daddr))){ return ip_input(vdb); }else{ return ip_forward(vdb); } } /** * Calculate checksum of a given string */ uint16_t checksum(uint8_t *buf, int len) { uint32_t sum = 0, carry=0; int i=0; for(i=0; i>16; sum = (sum&0x0000FFFF); return (uint16_t) ~(sum + carry) ; } /** * Calculate ip-header checksum. it's a wrapper for checksum(); */ uint16_t ip_checksum(struct iphdr *iph) { iph->check = 0U; return checksum((uint8_t*)iph,sizeof(struct iphdr)); } #define DEFAULT_TTL 64 /** * Layer 4 protocols should call this to transmit. */ int ip_output(struct vde_buff *vdb, uint32_t dst, uint8_t protocol) { struct iphdr *iph=iphead(vdb); struct vde_iface *oif; memset(iph,0x45,1); iph->tos = 0; iph->frag_off=htons(0x4000); // Don't fragment. iph->tot_len = htons(vdb->len - sizeof(struct vde_ethernet_header)); iph->id = 0; iph->protocol = protocol; iph->ttl = DEFAULT_TTL; iph->check = htons(ip_checksum(iph)); oif = is_neightbor(dst); if (!oif) oif=is_neightbor(get_gateway(dst)); if(!oif){ #if DEBUG fprintf(stderr, "Cannot determine the route to %08x",dst); #endif return -1; } iph->saddr = htonl(oif->ipaddr); iph->daddr = htonl(dst); iph->check = htons(ip_checksum(iph)); return ip_send(vdb); } /** * Send a ICMP_PROTOCOL_UNREACHABLE if so. * */ static int service_unreachable(struct vde_buff *buf_in) { struct iphdr *iph_in; struct icmp *ich; struct vde_buff *vdb; static uint16_t ident=0; vdb=vdebuff_alloc(sizeof(struct vde_ethernet_header) + sizeof(struct iphdr) + 8); ich=(struct icmp *)payload(vdb); ich->icmp_type = ICMP_DEST_UNREACH; ich->icmp_code = ICMP_PROT_UNREACH; ich->icmp_hun.ih_idseq.icd_id = ident++; ich->icmp_hun.ih_idseq.icd_seq = 0; if(ident == 0xFFFF) ident = 0; ich->icmp_cksum = 0; ich->icmp_cksum = htons(checksum(payload(vdb), vdb->len - sizeof(struct iphdr) - 14)); iph_in = iphead(buf_in); return ip_output(vdb,ntohl(iph_in->saddr),PROTO_ICMP); } /* Parse an incoming icmp packet */ int parse_icmp(struct vde_buff *vdb) { struct icmp *ich; struct iphdr *iph; ich = (struct icmp *) payload(vdb); iph = iphead(vdb); if (ich->icmp_type == ICMP_ECHO){ swap_ipaddr(&iph->saddr,&iph->daddr); ich->icmp_type = ICMP_ECHOREPLY; ich->icmp_cksum = 0; ich->icmp_cksum = htons(checksum(payload(vdb), vdb->len - 34)); iph->check = htons(ip_checksum(iph)); } ip_output_ready(vdb); return 1; } // Returns if the ip is unicast static uint32_t inline unicast_ip(uint32_t ip){ if ((ip & 0xE0000000) == 0xE0000000) return 0; else return ip; } uint32_t ascii2ip(char *c){ return (ntohl(inet_addr(c))); } //return >0 for valid netmasks. uint32_t valid_nm(uint32_t nm) { int i=31; uint32_t valid=0; for (i=31; i>=0; i--){ valid+=(1<0 && nmval<32 && (i >= (32 - nmval))) res+=(1<ipaddr&pi->nm),ip2ascii(0),ip2ascii(pi->nm),pi->id); pi=pi->next; } pr = VDEROUTER.route_table; while(pr){ pi=is_neightbor(pr->gw); if(pi) printoutc(fd,"%s\t%s\t\t%s\t\tvd%d",ip2ascii(pr->network&pr->nm),ip2ascii(pr->gw),ip2ascii(pr->nm),pi->id); pr=pr->next; } pi=is_neightbor(VDEROUTER.default_gw); if(VDEROUTER.default_gw) printoutc(fd,"%s\t\t%s\t\t%s\t\tvd%d",ip2ascii(0),ip2ascii(VDEROUTER.default_gw),ip2ascii(0),pi->id); } //Route default if(strncmp(s,"default gw ",11)==0){ VDEROUTER.default_gw = unicast_ip(ascii2ip(s+11)); if(!VDEROUTER.default_gw){ printoutc(fd,"Invalid gateway."); goto routecmdfail; } printoutc(fd,"Default route changed to %s", ip2ascii(VDEROUTER.default_gw)); return 0; } //Route change/add if(strncmp(s,"net ",4)==0){ char *addr,*nm,*gw; struct vde_route *new = malloc (sizeof(struct vde_route)); addr=s+4; if(!addr) goto routecmdfail; nm=index(addr,'/'); if(!nm) goto routecmdfail; *(nm++)=0; gw=index(nm,':'); if(!gw) goto routecmdfail; *(gw++)=0; new->network = unicast_ip(ascii2ip(addr)); new->gw = unicast_ip(ascii2ip(gw)); new->nm = ascii2nm(nm); pr = VDEROUTER.route_table; while(pr){ if(new->network == pr->network && new->nm == pr->nm){ pr->gw = new->gw; printoutc(fd,"Route successfully updated."); return 0; } pr = pr->next; } VDEROUTER.route_table = add_route(new, VDEROUTER.route_table); printoutc(fd,"Route successfully added."); } return 0; routecmdfail: printoutc(fd, "'route' command usage:"); printoutc(fd, "route list Print out the routing table"); printoutc(fd, "route net ADDRESS/NETMASK:GATEWAY Add/change static route"); printoutc(fd, "route default gw GATEWAY Change default route"); return 1; } #define IF_SHALL 0 #define IF_SH1 1 #define IF_CHIP 2 #define IF_CHALL 3 static int if_display(int fd, char *iface){ struct vde_iface *pi; int showone = 0; int iface_id; if(strncmp(iface,"all",3)==0){ pi=VDEROUTER.interfaces; }else{ if(strncmp(iface,"vd",2)!=0){ return -1; } iface_id = atoi(iface+2); pi = get_interface(iface_id); if(!pi){ printoutc(fd, "Interface %s not found.",iface); return -1; } showone = 1; } while(pi){ printoutc(fd, "vd%d\tLink encap: vde HWaddr %s",pi->id, mac2ascii(pi->mac)); printoutc(fd, "\tinet addr:%s Netmask:%s", ip2ascii(pi->ipaddr), ip2ascii(pi->nm)); printoutc(fd,""); if(showone) return 0; pi = pi->next; } return 0; } static int ifconfig(int fd, char *s) { int arglen=strlen(s)-1; struct vde_iface *pi; char *addr,*nmtag,*nm=NULL,*iface; int iface_id; int mode; uint32_t tmp; s[arglen]='\0'; if(arglen == 0){ if(if_display(fd,"all") < 0) goto cmdfail; else return 0; } iface=s; addr=index(iface,' '); if(!addr){ if(if_display(fd,iface)<0) goto cmdfail; else return 0; } *(addr++)=0; nmtag=index(addr,' '); if(!nmtag){ mode=IF_CHIP; } else { *(nmtag++)=0; nm=index(nmtag,' '); if(!nm) goto cmdfail; *(nm++)=0; mode = IF_CHALL; } if(strncmp(iface,"vd",2)!=0){ goto cmdfail; } iface_id = atoi(iface+2); pi = get_interface(iface_id); if(!pi){ printoutc(fd, "Interface %s not found.",iface); goto cmdfail; } tmp = unicast_ip(ascii2ip(addr)); if(!tmp) goto cmdfail; pi->ipaddr = tmp; printoutc(fd, "IP address for %s successfully changed.",iface); if (mode == IF_CHALL){ tmp = ascii2nm(nm); if(!tmp) goto cmdfail; pi->nm = tmp; printoutc(fd, "Netmask for %s successfully changed.",iface); } return 0; cmdfail: printoutc(fd, "'ifconfig' command usage:"); printoutc(fd, "ifconfig [vdN [ADDRESS [netmask NETMASK]]]"); return 0; } static int traffic_control(int fd, char *s) { int arglen=strlen(s)-1; struct vde_iface *pi; struct routing_policy *pp; char *iface, *policy, *args; int ifnum; s[arglen]='\0'; if(arglen==1){ goto tccmdfail; } //tc ls if (arglen == 2 && (strncmp(s,"ls",2)==0)){ pi = VDEROUTER.interfaces; while (pi){ printoutc(fd, "vd%d: %s. %s", pi->id, pi->policy_name, pi->tc_stats(pi)); pi=pi->next; } return 0; } //tc set if (arglen > 4 && (strncmp(s,"set",3) == 0)){ iface = s+4; policy=index(iface,' '); if(policy) *(policy++)=(char)0; if((strncmp(iface,"vd",2)) || (sscanf(iface+2,"%d",&ifnum)<1)) goto tccmdfail; args=index(policy,' '); if(args){ *(args++)=(char)0; }else{ args=""; } if(strlen(policy)<1) goto tccmdfail; // check interface existstence pi = VDEROUTER.interfaces; while (pi && pi->id != ifnum){ pi=pi->next; if (!pi){ printoutc(fd, "tc: Device vd%d not found.",ifnum); goto tccmdfail; } } // try to get module pp=getpolicy(policy); if(!pp){ printoutc(fd, "Cannot load rp module %s.so",policy); goto tccmdfail; }else{ set_interface_policy(pi, pp); if (!pi->policy_init(pi,args)){ printoutc(fd, "%s: syntax error.\n%s",pp->name,pp->help); goto tccmdfail; } } printoutc(fd, "vd%d: queuing discipline set to %s.", pi->id, pi->policy_name); return 0; } tccmdfail: printoutc(fd, "'tc' command usage:"); printoutc(fd, "tc ls Print out the routing policy for each interface"); printoutc(fd, "tc set Change routing policy"); return 0; } static int logout(int fd,char *s) { return -1; } static int doshutdown(int fd,char *s) { exit(0); } #define WITHFD 0x80 static struct comlist { char *tag; int (*fun)(int fd,char *arg); unsigned char type; } commandlist [] = { {"help", help, WITHFD}, {"showinfo",showinfo, WITHFD}, {"ifconfig",ifconfig, 0}, {"route",route, 0}, {"logout",logout, 0}, {"shutdown",doshutdown, 0}, {"tc",traffic_control,0} }; #define NCL sizeof(commandlist)/sizeof(struct comlist) static int handle_cmd(int fd,char *inbuf) { int rv=ENOSYS; int i; while (*inbuf == ' ' || *inbuf == '\t' || *inbuf == '\n') inbuf++; if (*inbuf != '\0' && *inbuf != '#') { for (i=0; i=0) write(outfd,prompt,strlen(prompt)); return rv; } } static int delmgmtconn(int i,struct pollfd *pfd,int nfds) { if (inetwork = unicast_ip(ascii2ip(ipaddr)); vr->nm = ascii2nm(nm); vr->gw = unicast_ip(ascii2ip(gw)); if(!vr->network){ fprintf(stderr,"route: Cannot set network address to '%s'\n",ipaddr); usage(progname); } if(!vr->nm){ fprintf(stderr,"route: Cannot set netmask to '%s'\n",nm); if(nm!=NULL && nm[0]=='0'){ fprintf(stderr,"(Did you mean to set default gateway? then -G)\n"); } usage(progname); } if(!vr->gw){ fprintf(stderr,"route: Cannot set gateway address to '%s'\n",gw); usage(progname); } VDEROUTER.route_table = add_route(vr, VDEROUTER.route_table); break; case 'G': VDEROUTER.default_gw=unicast_ip(ascii2ip(optarg)); if(!VDEROUTER.default_gw){ fprintf(stderr,"Cannot set default gateway address to '%s'\n",optarg); usage(progname); } break; case 'v': vdesock=strdup(optarg); argp = index(vdesock,':'); if(argp==NULL) usage(progname); *(argp++) = 0; ipaddr = strdup(argp); argp = index(ipaddr,'/'); if(argp==NULL) usage(progname); *(argp++) = 0; nm=strdup(argp); if (!nm) usage(progname); vif = (struct vde_iface *) malloc(sizeof (struct vde_iface)); vif->vdec = vde_open(vdesock,"vde_L3",&open_args); if(!vif->vdec){ fprintf(stderr,"vdeplug %s: %s\n",vdesock,strerror(errno)); } vif->ipaddr = unicast_ip(ascii2ip(ipaddr)); if(!vif->ipaddr){ fprintf(stderr,"vdeplug %s: Cannot set ip address to '%s'\n",vdesock,ipaddr); usage(progname); } vif->nm = ascii2nm(nm); if(!vif->nm){ fprintf(stderr,"vdeplug %s: Cannot set netmask to '%s'\n",vdesock,nm); if(nm!=NULL && nm[0]=='0'){ fprintf(stderr,"(Did you mean to set default gateway? then -G)\n"); } usage(progname); } vif->id=numif++; memcpy(vif->mac,ip2mac(vif->ipaddr),6); vif->q_in = NULL; vif->q_out = NULL; vif->next = NULL; rp = getpolicy("ufifo"); if (!rp) fprintf(stderr,"Error getting policy ufifo: %s",dlerror()); set_interface_policy(vif,rp); if(!vif->policy_init(vif,"")){ fprintf(stderr,"Error setting default policy.\n"); exit(1); } VDEROUTER.interfaces = add_iface(vif, VDEROUTER.interfaces); break; default: usage(progname); break; } } if (optind < argc) usage(progname); if (!numif) usage(progname); max_total_sockets = numif + 4; pfd = (struct pollfd *) malloc ((max_total_sockets) * sizeof(struct pollfd)); vif = VDEROUTER.interfaces; i=0; while (vif) { pfd[i].fd = vde_datafd(vif->vdec); pfd[i++].events=POLLIN | POLLHUP; vif = vif->next; } npfd = numif; if(mgmt != NULL) { int mgmtfd=openmgmt(mgmt); mgmtindex=npfd; pfd[mgmtindex].fd=mgmtfd; pfd[mgmtindex].events=POLLIN | POLLHUP; npfd++; } for(;;) { pr = poll(pfd,npfd,10); if (pr < 0){ perror("poll"); exit(2); } pktin = 0; if(pr > 0){ for(i=0,vif=VDEROUTER.interfaces; inext){ if(pfd[i].revents == POLLIN){ pr--; vdb_in=vdebuff_alloc(1550); if(!vdb_in) continue; vdb_in->len=vde_recv(vif->vdec,vdb_in->data,1548,0); #if(DEBUG) fprintf(stderr,"Rcvd a %luB packet. VDECONN@%p. Protocol = %d.\n",vdb_in->len,&(vif->vdec),ntohs(*((uint16_t *)(vdb_in->data+12)))); #endif eh=ethhead(vdb_in); //Next line is a mac address filter. if((memcmp(eh->dst,vif->mac,6) == 0) || ((is_multicast_mac(eh->dst)) && (memcmp(eh->src,vif->mac,6)!=0))){ if(eh->buftype == ntohs(PTYPE_ARP)){ pktin += parse_arp(vdb_in); } if(eh->buftype == ntohs(PTYPE_IP)){ pktin += parse_ip(vdb_in); } } } } if (pr>0) { // if there are still events to handle (performance: packet switching first) int mgmtfdstart=numif; if (mgmtindex >= 0) { if (pfd[mgmtindex].revents != 0) { npfd=newmgmtconn(pfd[mgmtindex].fd,pfd,npfd); pr--; } mgmtfdstart=mgmtindex+1; } if (mgmtfdstart >= 0 && npfd > mgmtfdstart) { int i; for (i=mgmtfdstart;i 0 int outqueues = 0, outloop = 0; pfdout = (struct pollfd *) malloc ((max_total_sockets) * sizeof(struct pollfd)); vif=VDEROUTER.interfaces; while (vif){ pfdout[outqueues].fd = vde_datafd(vif->vdec); pfdout[outqueues++].events = POLLOUT; vif = vif->next; } vif=VDEROUTER.interfaces; if (poll(pfdout,outqueues,0) > 0){ for(outloop = 0; outloop < outqueues; outloop++){ if(pfdout[outloop].revents&POLLOUT && vif->q_out){ vif->dequeue(vif); } vif=vif->next; } } while(VDEROUTER.arp_pending){ vdb_out=VDEROUTER.arp_pending; ip_output_ready(vdb_out); VDEROUTER.arp_pending=vdb_out->next; //free(vdb_out); } } } /* * After being parsed, this is the point where packets * get to higher protocols */ int ip_input(struct vde_buff *vdb) { struct iphdr *iph=iphead(vdb); if(*((uint8_t*)(iph)) != 0x45) return -1; switch(iph->protocol){ case PROTO_ICMP: return parse_icmp(vdb); case PROTO_TCP: case PROTO_UDP: default: return service_unreachable(vdb); } // return -1; // not reached } vde2-2.3.2+r586/src/vde_l3/vde_l3.h0000644000000000000000000000424313614540472013245 0ustar #ifndef _VDE_L3_H_ #define _VDE_L3_H__ /* pfifo.c */ int pfifo_enqueue(struct vde_buff *vdb, struct vde_iface *vif); int pfifo_dequeue(struct vde_iface *vif); int pfifo_init(struct vde_iface *vif, char *args); char *pfifo_tc_stats(struct vde_iface *vif); /* bfifo.c */ int bfifo_enqueue(struct vde_buff *vdb, struct vde_iface *vif); int bfifo_dequeue(struct vde_iface *vif); int bfifo_init(struct vde_iface *vif, char *args); char *bfifo_tc_stats(struct vde_iface *vif); /* tbf.c */ struct timeval add_t(struct timeval x, struct timeval y); int tbf_enqueue(struct vde_buff *vdb, struct vde_iface *vif); int tbf_dequeue(struct vde_iface *vif); int tbf_init(struct vde_iface *vif, char *args); char *tbf_tc_stats(struct vde_iface *vif); /* vde_l3.c */ int ufifo_enqueue(struct vde_buff *vdb, struct vde_iface *vif); int ufifo_dequeue(struct vde_iface *vif); int ufifo_init(struct vde_iface *vif, char *args); char *nostats(struct vde_iface *vif); void *tcpriv(struct vde_iface *vi); struct routing_policy *getpolicy(char *name); void set_interface_policy(struct vde_iface *vif, struct routing_policy *rp); uint8_t *ip2mac(uint32_t ip); void usage(char *p); struct vde_buff *buff_clone(struct vde_buff *orig); int ip_output_ready(struct vde_buff *vdb); int neightbor_send(struct vde_iface *to, struct vde_buff *vdb); int gateway_send(struct vde_buff *vdb, uint32_t gw); size_t vde_router_receive(struct vde_iface i); int is_arp_pending(struct vde_iface *of, uint8_t *mac); size_t arp_query(struct vde_iface *oif, uint32_t tgt); size_t arp_reply(struct vde_iface *oif, struct vde_buff *vdb); struct vde_iface *get_iface_by_ipaddr(uint32_t addr); struct vde_iface *is_neightbor(uint32_t addr); uint32_t get_gateway(uint32_t addr); int parse_arp(struct vde_buff *vdb); int ip_send(struct vde_buff *vdb); int ip_forward(struct vde_buff *vdb); int parse_ip(struct vde_buff *vdb); uint16_t checksum(uint8_t *buf, int len); uint16_t ip_checksum(struct iphdr *iph); int ip_output(struct vde_buff *vdb, uint32_t dst, uint8_t protocol); int parse_icmp(struct vde_buff *vdb); uint32_t ascii2ip(char *c); uint32_t valid_nm(uint32_t nm); uint32_t ascii2nm(char *c); int ip_input(struct vde_buff *vdb); #endif /* _VDE_L3_H__ */ vde2-2.3.2+r586/src/vde_over_ns/0000755000000000000000000000000013614540472013052 5ustar vde2-2.3.2+r586/src/vde_over_ns/Makefile.am0000644000000000000000000000062213614540472015106 0ustar AM_CPPFLAGS = -I$(top_srcdir)/include bin_PROGRAMS = vde_over_ns if ENABLE_PROFILE AM_CFLAGS = -pg --coverage AM_LDFLAGS = -pg --coverage endif vde_over_ns_SOURCES = \ vde_over_ns.c \ dns.c \ encode.c \ pstack.c \ queue.c \ util.c \ vde_io.c \ dns.h \ dns_proto.h \ fun.h \ pstack.h vde_over_ns_LDADD = $(top_builddir)/src/common/libvdecommon.la $(top_builddir)/src/lib/libvdeplug.la vde2-2.3.2+r586/src/vde_over_ns/Makefile.in0000644000000000000000000005034513614540472015126 0ustar # Makefile.in generated by automake 1.14.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2013 Free Software Foundation, Inc. # This Makefile.in is free software; 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you can redistribute it and/or modify it under the terms of the GNU General Public License version 2, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -------------------------------------------------------------------------- */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "fun.h" #include "dns.h" #include "dns_proto.h" #define min(a,b) a'\0' -> * NAME1.NAME2.NAME3 * A lenght-byte may not be larger than 63 bytes (the two most significant * bits are reserved/used for compression */ /* Reverses lbl2str */ static const char * str2lbl(const char *data) { const char *ptr; char *ptr2, *buf; unsigned int buflen, chunklen; ptr = data; buf = NULL; buflen = 0; while ((ptr2 = strchr(ptr, '.'))) { chunklen = ptr2 - ptr; if ((chunklen > 63) || (chunklen <= 0)) { DEBUG("Too long or zero-length label"); if (buf) free(buf); return NULL; } buf = realloc(buf, buflen + chunklen + 1); buf[buflen] = chunklen; memcpy(buf+buflen+1, ptr, chunklen); buflen += chunklen + 1; ptr = ptr2 + 1; } chunklen = strlen(ptr); buf = realloc(buf, buflen + chunklen + 2); buf[buflen] = chunklen; memcpy(buf+buflen+1, ptr, chunklen); buflen += chunklen+1; buf[buflen] = '\0'; buflen++; return buf; } /* decompress_label decompresses the label pointed to by 'lbl' inside the * DNS-packet 'msg'. */ static char * decompress_label(const char *msg, unsigned int msglen, const char *lbl) { const char *ptr = lbl; char *buf; unsigned int chunklen, offset, buflen, followed = 0; buf = NULL; buflen = 0; while ((chunklen = *ptr)) { if (chunklen > 63) { if ((ptr-msg) >= ((signed int)msglen-1)) { DEBUG("Bad pointer at end of msg"); if (buf) free(buf); return NULL; } if (followed > 20) { DEBUG("Too many pointer-loops"); if (buf) free(buf); return NULL; } offset = (chunklen % 64)*256 + *(ptr+1); if (offset >= msglen) { DEBUG("offset behind message"); if (buf) free(buf); return NULL; } ptr = msg + offset; followed++; } else { buf = realloc(buf, buflen + chunklen + 2); if ((ptr + chunklen + 1) >= (msg + msglen)) { DEBUG("Invalid chunklen"); if (buf) free(buf); return NULL; } memcpy(buf+buflen, ptr, chunklen + 1); buflen += chunklen + 1; ptr += chunklen + 1; } } if (buf) { buf[buflen] = 0; buflen++; } return buf; } static const unsigned char * _cstringify(const unsigned char *data, int *dlen, unsigned int clen) { static unsigned char *buf; const unsigned char *s = data; unsigned char *d; unsigned int llen, len; len = *dlen; *dlen = 0; d = buf = realloc(buf, len+len/clen+2); while (len > 0) { llen = (len > clen) ? clen : len; *(d++) = llen; memcpy(d, s, llen); d += llen; (*dlen) += llen + 1; s += llen; len -= llen; } *d = '\0'; (*dlen)++; return buf; } static const unsigned char * data2lbl (const unsigned char *data) { int len; len = strlen((char*)data); return _cstringify(data, &len, 63); } const unsigned char * data2txt (const unsigned char *data, int *len) { return _cstringify(data, len, 255); } const unsigned char * txt2data (const unsigned char *data, int *dlen) { static unsigned char *buf; const unsigned char *s = data; unsigned char *d; unsigned int len, llen; len = *dlen; d = buf = realloc(buf, len); do { llen = *s++; if (llen > len - (s - data)) return NULL; memcpy(d, s, llen); s += llen; d += llen; } while (llen); *d = '\0'; *dlen = d - buf; return buf; } static const unsigned char * lbl2data (const unsigned char *data, size_t len) { static signed char *buf = NULL; const unsigned char *s = data; signed char *d; signed int llen; d = buf = realloc(buf, len); assert(d); do { llen = *s++; if ((llen > 63) || (llen > (signed int)(len - (s - data)))) break; memcpy(d, s, llen); s += llen; d += llen; } while (llen); *d = '\0'; return (const unsigned char*)buf; } /* New DNS-Code */ static struct rr *_new_listitem (struct rr **list) { struct rr *rrp, *tmp; rrp = malloc(sizeof(struct rr)); memset(rrp, 0, sizeof(struct rr)); if (!*list) *list = rrp; else { for (tmp = *list; tmp->next; tmp = tmp->next) ; tmp->next = rrp; } return rrp; } static const unsigned char * _skip_lbl (const unsigned char *ptr, u_int16_t *len) { while (*ptr) { if (*len < 2) return NULL; if ((*ptr & 0xc0)) { ptr++; (*len)--; break; } *len -= *ptr; if (*len < 1) return NULL; ptr += *ptr+1; } ptr++; (*len)--; return ptr; } static __inline__ int _get_listlen (const struct rr *list) { int nr = 0; while (list) { list = list->next; nr++; } return nr; } static const char *suffix = NULL; static int suffixlen = 0; void dns_setsuffix (char *suf) { suffix = str2lbl(suf); suffixlen = strlen(suf)+1; } struct dnspkt *dns_alloc (void) { void *ptr; ptr = malloc(sizeof(struct dnspkt)); memset(ptr, 0, sizeof(struct dnspkt)); return ptr; } void dns_free (struct dnspkt *pkt) { struct rr *list, *next; list = pkt->query; while (list) { if (list->data) free(list->data); next = list->next; free(list); list = next; } list = pkt->answer; while (list) { if (list->data) free(list->data); next = list->next; free(list); list = next; } free(pkt); } void dns_setid (struct dnspkt *pkt, unsigned short id) { pkt->id = id; } void dns_settype (struct dnspkt *pkt, int type) { pkt->type = type; } const char * dns_data2fqdn (const char *data) { const char *ptr; static char *fqdn; ptr = (char*)data2lbl((unsigned char*)data); fqdn = realloc(fqdn, strlen(ptr)+strlen(suffix)+1); strcpy(fqdn, ptr); strcat(fqdn, suffix); return fqdn; } const char * dns_fqdn2data (const char *fqdn) { static char *buf; const char *off; if (buf) free(buf); off = strstr(fqdn, suffix); /* only parse if the fqdn was found, and there is more than the fqdn */ if (off && off != fqdn) buf = strdup((char*)lbl2data((unsigned char*)fqdn, off - fqdn)); else /* Our suffix not found... */ buf = NULL; return buf; } int dns_addquery (struct dnspkt *pkt, const char *data) { struct rr *rrp; rrp = _new_listitem(&pkt->query); rrp->data = strdup(data); rrp->len = strlen(data)+1; return _get_listlen(pkt->query) - 1; } int dns_addanswer(struct dnspkt *pkt, const char *data, int len, int link) { struct rr *rrp; const char *ptr; char *buf; ptr = (char*)data2txt((unsigned char*)data, &len); buf = malloc(len); memcpy(buf, ptr, len); rrp = _new_listitem(&pkt->answer); rrp->data = buf; rrp->len = len; rrp->link = link; return _get_listlen(pkt->query) - 1; } int dns_getpktsize(const struct dnspkt *pkt) { int size; struct rr *list; size = 12; /* DNS-header */ for (list = pkt->query; list; list = list->next) size += list->len + 4; for (list = pkt->answer; list; list = list->next) size += list->len + 12; return size; } unsigned char *dns_constructpacket (struct dnspkt *pkt, int *l) { static unsigned char *buf, *ptr; int len, *offsets, qdcount, i; struct rr *list; qdcount = _get_listlen(pkt->query); len = dns_getpktsize(pkt); ptr = buf = malloc(len); memset(buf, 0, len); if (len > 512) syslog(LOG_WARNING, "WARNING: Constructed non-conform DNS-packet (size: %d)\n", len); offsets = alloca(qdcount * 4); /* Header */ buf[0] = pkt->id / 256; buf[1] = pkt->id % 256; if (pkt->type == DNS_RESPONSE) { buf[2] = 0x84; /* Flags: Response, Authoritative Answer */ buf[3] = 0x80; /* Flag: Recursion available */ } else buf[2] = 0x01; /* Flags: Recursion desired */ buf[5] = qdcount; buf[7] = _get_listlen(pkt->answer); ptr += 12; /* Query section */ for (list = pkt->query, i=0; list; list = list->next, i++) { offsets[i] = ptr-buf; memcpy(ptr, list->data, list->len); ptr += list->len; ptr[1] = 16; ptr[3] = 1; ptr += 4; } /* Answer section */ for (list = pkt->answer; list; list = list->next) { ptr[0] = 0xc0 | (offsets[list->link]/256); ptr[1] = offsets[list->link]%256; ptr[3] = 16; ptr[5] = 1; ptr[10] = list->len / 256; ptr[11] = list->len % 256; ptr += 12; memcpy(ptr, list->data, list->len); ptr += list->len; } *l = len; dns_free (pkt); return buf; } struct dnspkt * dns_extractpkt(const unsigned char *buf, int len) { u_int16_t qdcount, ancount, remain, *offsets, i, j, off; const unsigned char *ptr; struct dnspkt *pkt; struct rr *rrp; struct ns_answer_header *nsh; if (len < 17) return NULL; pkt = dns_alloc(); struct ns_transaction_header *nsth= (struct ns_transaction_header*)buf; pkt->id = ntohs(nsth->tid); qdcount = ntohs(nsth->questions); ancount = ntohs(nsth->answers); offsets = malloc(qdcount * 4); ptr = buf + sizeof(struct ns_transaction_header); remain = len - sizeof(struct ns_transaction_header); i = 0; while (qdcount--) { offsets[i++] = ptr - buf; rrp = _new_listitem(&pkt->query); rrp->data = decompress_label((char*)buf, len, (char*)ptr); if (!rrp->data) { syslog(LOG_ERR, "dns_extractpkt: decompress_label choked in qd\n"); free(offsets); dns_free(pkt); return NULL; } rrp->len = strlen(rrp->data)+1; ptr = _skip_lbl(ptr, &remain); if (!ptr) { syslog(LOG_ERR, "dns_extractpkt: _skip_lbl choked in qd\n"); free(offsets); dns_free(pkt); return NULL; } ptr += 4; remain -= 4; } while (ancount--) { rrp = _new_listitem(&pkt->answer); rrp->link = -1; if ((ptr[0] & 0xc0) == 0xc0) { off = (ptr[0] & ~(0xc0)) * 256 + ptr[1]; for (j = 0; j < i; j++) if (offsets[j] == off) break; if (j < i) rrp->link = j; } ptr=_skip_lbl(ptr,&remain); nsh=(struct ns_answer_header *)ptr; ptr+=sizeof(struct ns_answer_header); remain-=sizeof(struct ns_answer_header); //printf("REMAIN=%u, datalen=%u, type= 0x%02x, sizeof ns_answer_header=%u\n",remain,ntohs(nsh->datalen), ntohs(nsh->type),sizeof(struct ns_answer_header)); if (ntohs(nsh->type) != NSTYPE_TXT){ ptr+=ntohs(nsh->datalen); remain-=ntohs(nsh->datalen); continue; } rrp->len = ntohs(nsh->datalen); rrp->data = malloc(rrp->len); memcpy(rrp->data, ptr,rrp->len); remain -= rrp->len; ptr += rrp->len; } return(pkt); } /* * * old code: * if (remain < 12) { syslog(LOG_ERR, "dns_extractpkt: too few bytes in an\n"); free(offsets); dns_free(pkt); return NULL; } rrp = _new_listitem(&pkt->answer); rrp->link = -1; if ((ptr[0] & 0xc0) == 0xc0) { off = (ptr[0] & ~(0xc0)) * 256 + ptr[1]; for (j = 0; j < i; j++) if (offsets[j] == off) break; if (j < i) rrp->link = j; } ptr = _skip_lbl(ptr, &remain); rrp->len = ptr[9]+((ptr[8])<<8); type=ptr[1]; // rrp->len = ptr[10]*256+ptr[11]; ptr += 10; remain -= 13; //printf("Len: %u, remain: %u\n",rrp->len,remain); if (remain < rrp->len) { syslog(LOG_ERR, "dns_extractpkt: record too long in an (%d->%d)\n", remain, rrp->len); return(pkt); // dns_free(pkt); // return NULL; } if(type==0x10){ rrp->data = malloc(rrp->len); memcpy(rrp->data, ptr,rrp->len); remain -= rrp->len; } ptr += rrp->len; } return pkt; } */ const char * dns_getquerydata(struct dnspkt *pkt) { struct rr *q; static char *ret = NULL; if (!pkt->query) return NULL; if (ret) { free(ret); ret = NULL; } q = pkt->query; pkt->query = pkt->query->next; ret = q->data; free(q); return ret; } char *dns_getanswerdata (struct dnspkt *pkt, int *len) { struct rr *q; static char *ret = NULL; if (!pkt->answer) return NULL; q = pkt->answer; pkt->answer = pkt->answer->next; if (ret) free(ret); ret = q->data; *len = q->len; free(q); return ret; } int dns_getfreespace(const struct dnspkt *pkt, int type) { int raw, ret = 0, maxq; raw = DNS_MAXPKT - dns_getpktsize(pkt); if (raw < 0) return -1; if (type == DNS_RESPONSE) { ret = raw - 14; if (ret > 253) ret = 253; } else if (type == DNS_QUERY) { // ret = ((raw-suffixlen)*189-759)/256; ret = (189*(254-suffixlen))/256-6; if (ret > (maxq = (183-(189*suffixlen)/256))) ret = maxq; } return (ret > 0) ? ret : 0; } vde2-2.3.2+r586/src/vde_over_ns/dns.h0000644000000000000000000000377613614540472014024 0ustar /* ---------------------------------------------------------------------------- * VDE_OVER_NS (C) 2007 Daniele Lacamera Derived from: NSTX -- tunneling network-packets over DNS (C) 2000 by Florian Heinz and Julien Oster This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -------------------------------------------------------------------------- */ #ifndef _NSTXDNS_H #define _NSTXDNS_H #define DNS_QUERY 0x01 #define DNS_RESPONSE 0x02 #define DNS_MAXPKT 512 struct rr { char *data; int len; int link; struct rr *next; }; struct dnspkt { unsigned short id; int type; struct rr *query; struct rr *answer; }; void dns_setsuffix (char *); struct dnspkt *dns_alloc (void); void dns_free (struct dnspkt *); void dns_setid (struct dnspkt *, unsigned short); void dns_settype (struct dnspkt *, int); int dns_addquery (struct dnspkt *, const char *); int dns_addanswer (struct dnspkt *, const char *, int, int); int dns_getpktsize (const struct dnspkt *); struct dnspkt *dns_extractpkt (const unsigned char *, int); const char *dns_getquerydata (struct dnspkt *); char *dns_getanswerdata (struct dnspkt *, int *); const char *dns_fqdn2data (const char *); const char *dns_data2fqdn (const char *); const unsigned char *txt2data (const unsigned char *, int *); unsigned char *dns_constructpacket (struct dnspkt *, int *); int dns_getfreespace (const struct dnspkt *, int); #endif /* _NSTXDNS_H */ vde2-2.3.2+r586/src/vde_over_ns/dns_proto.h0000644000000000000000000000626313614540472015241 0ustar /* ---------------------------------------------------------------------------- * VDE_OVER_NS (C) 2007 Daniele Lacamera Derived from: NSTX -- tunneling network-packets over DNS (C) 2000 by Florian Heinz and Julien Oster This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -------------------------------------------------------------------------- */ #ifndef NSTX_DNS_H #define NSTX_DNS_H struct dnsqueryhdr { unsigned short id; /* be careful with that! * this version is documented as the LITTLE endian version, however our * processors are having a BIG endian byte order! * * The solution is simple (but did take as some stressy hours to find): * this is NOT the byte order, it is the BIT order! * * And as most processors (except some very rare ones including the DEC * PDP machines) we are having a little endian bit order. * * So if you are reading something about endianess in this context, * be careful if it says BYTE order or BIT order! On Intel processors, for * example, byte order is big endian, while bit order is little endian. * * For additional confusion: RFC1035 really shows the headers in the very * uncommon big endian bit order. * * In the only intention to drive you completely mad: at least in Linux the * header-file talks about a little endian BYTE order for * our working version. Ugh. Anyway, it clearly works this way, and that * proves the correctness of my assumption. * * -- frodo */ unsigned char rd:1; unsigned char tc:1; unsigned char aa:1; unsigned char opcode:4; unsigned char qr:1; unsigned char rcode:4; unsigned char z:3; unsigned char ra:1; unsigned short qdcount; unsigned short ancount; unsigned short nscount; unsigned short arcount; #define DNSOP_QUERY 0 #define DNSOP_IQUERY 1 #define DNSOP_STATUS 2 }; struct dnsquestion { unsigned char qname[48]; unsigned short qtype; unsigned short qclass; }; struct dnsanswer { unsigned short type; unsigned short class; unsigned int ttl; // unsigned short rdlength; }; struct dnstxtanswer { unsigned char name[256]; }; #define NSTYPE_TXT 0x0010 struct ns_answer_header { u_int16_t type; u_int16_t clas; u_int32_t ttl; u_int16_t datalen; } __attribute__((packed)); struct ns_transaction_header { u_int16_t tid; u_int16_t flags; u_int16_t questions; u_int16_t answers; u_int16_t authority; u_int16_t additional; } __attribute__((packed)); /* overall functions */ /* client functions */ int nstxc_dns_init (struct sockaddr *, socklen_t, struct sockaddr *, socklen_t); int nstxc_dns_query (char *, unsigned short); #endif /*NSTX_DNS_H*/ vde2-2.3.2+r586/src/vde_over_ns/encode.c0000644000000000000000000000475513614540472014466 0ustar /* ---------------------------------------------------------------------------- * VDE_OVER_NS (C) 2007 Daniele Lacamera Derived from: NSTX -- tunneling network-packets over DNS (C) 2000 by Florian Heinz and Julien Oster This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -------------------------------------------------------------------------- */ #include #include #include #include #include unsigned char map[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_1234567890"; unsigned char *revmap = NULL; void init_revmap (void) { unsigned int i; revmap = malloc(256); for (i = 0; i < strlen((char*)map); i++) revmap[map[i]] = i; } const unsigned char * nstx_encode(const unsigned char *data, int len) { int i = 0, off = 1, cut = 0; static unsigned char *buf = NULL; if (len % 3) cut = 3 - len%3; buf = realloc(buf, ((len+2)/3)*4+2); buf[0] = map[cut]; while (i < len) { buf[off + 0] = map[(data[i] & 252) >> 2]; buf[off + 1] = map[((data[i] & 3) << 4) | ((data[i+1] & 240) >> 4)]; buf[off + 2] = map[((data[i+1] & 15) << 2 ) | ((data[i+2] & 192) >> 6)]; buf[off + 3] = map[(data[i+2] & 63)]; i += 3; off += 4; } buf[off] = '\0'; return buf; } const unsigned char * nstx_decode(const unsigned char *data, int *rlen) { int i = 0, off = 1; int len; static unsigned char *buf = NULL; if (!revmap) init_revmap(); len = strlen((char*)data); buf = realloc(buf, ((len+3)/4)*3); while (off+3 < len) { buf[i+0] = (revmap[data[off]]<<2)|((revmap[data[off+1]]&48)>>4); buf[i+1] = ((revmap[data[off+1]]&15)<<4)|((revmap[data[off+2]]&60)>>2); buf[i+2] = ((revmap[data[off+2]]&3)<<6)|(revmap[data[off+3]]); i += 3; off += 4; } *rlen = i - revmap[data[0]]; return buf; } vde2-2.3.2+r586/src/vde_over_ns/fun.h0000644000000000000000000000523513614540472014020 0ustar /* ---------------------------------------------------------------------------- * VDE_OVER_NS (C) 2007 Daniele Lacamera Derived from: NSTX -- tunneling network-packets over DNS (C) 2000 by Florian Heinz and Julien Oster This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -------------------------------------------------------------------------- */ #include #include #ifndef _NSTXHDR_H #define _NSTXHDR_H /* constants */ #define NSTX_TIMEOUT 30 #define NSTX_MAGIC 0xb4 /* Huh? [sky] */ /* Well, that seems really like a */ /* *magic* number ;-) [frodo] */ /* nstx header */ struct nstxhdr { unsigned char magic; unsigned char seq:4; unsigned char chan:4; /* Unused yet... */ unsigned short id:12; unsigned short flags:4; }; /* flags... more to come ?! */ #define NSTX_LF 0x1 /* last fragment of this packet */ #define NSTX_CTL 0x2 /* for control-messages, not yet implemented */ #define DEBUG(x) syslog(LOG_DEBUG, x) /* encoding */ const char *nstx_encode(const unsigned char *, int); const char *nstx_decode(const unsigned char *, int*); /* DNS */ void open_ns (const char *ip); void open_ns_bind(in_addr_t ip); void send_vde (const char*, size_t); void sendns (const char*, size_t, const struct sockaddr*); #define MAXPKT 2000 #define FROMNS 0 #define FROMTUN 1 struct nstxmsg { char data[MAXPKT]; int len; int src; struct sockaddr_in peer; }; struct nstxmsg *nstx_select (int); /* Queue-handling functions */ #define QUEUETIMEOUT 5 struct nstxqueue { unsigned short id; time_t timeout; char name[257]; struct sockaddr peer; struct nstxqueue *next; }; struct nstxqueue *finditem (unsigned short); void queueitem (unsigned short, const char *, const struct sockaddr_in *); void queueid (unsigned short); int queuelen (void); void qsettimeout (int); struct nstxqueue *dequeueitem (int); void timeoutqueue (void (*)(struct nstxqueue *)); void init_vdesock(char *); #ifdef WITH_PKTDUMP void pktdump (const char *, unsigned short, const char *, size_t, int); #endif #endif /* _NSTXHDR_H */ vde2-2.3.2+r586/src/vde_over_ns/pstack.c0000644000000000000000000001171513614540472014510 0ustar /* ---------------------------------------------------------------------------- * VDE_OVER_NS (C) 2007 Daniele Lacamera Derived from: NSTX -- tunneling network-packets over DNS (C) 2000 by Florian Heinz and Julien Oster This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -------------------------------------------------------------------------- */ #include #include #include #include #include #include #include #include #include #include #include #include "fun.h" #include "pstack.h" static struct nstx_item * get_item_by_id(unsigned int id); static struct nstx_item * alloc_item(unsigned int id); static char * dealloc_item(struct nstx_item *ptr, int *l); static int add_data(struct nstx_item *item, struct nstxhdr *pkt, int datalen); static void check_timeouts(void); static struct nstx_item *nstx_list = NULL; void nstx_handlepacket(const char *ptr, size_t len, void (*nstx_usepacket)(const char*, size_t)) { struct nstxhdr *nstxpkt = (struct nstxhdr *) ptr; struct nstx_item *nstxitem; char *netpacket; int netpacketlen; if ((!ptr) || (signed int) len < (signed int) sizeof(struct nstxhdr)) return; if (!nstxpkt->id) return; nstxitem = get_item_by_id(nstxpkt->id); if (!nstxitem) nstxitem = alloc_item(nstxpkt->id); if (add_data(nstxitem, nstxpkt, len)) { netpacket = dealloc_item(nstxitem, &netpacketlen); nstx_usepacket(netpacket, netpacketlen); } check_timeouts(); } static struct nstx_item * get_item_by_id(unsigned int id) { struct nstx_item *ptr = nstx_list; if (!ptr) return NULL; while (ptr) { if (ptr->id == id) return ptr; ptr = ptr->next; } return NULL; } static struct nstx_item * alloc_item(unsigned int id) { struct nstx_item *ptr; ptr = malloc(sizeof(struct nstx_item)); memset(ptr, 0, sizeof(struct nstx_item)); ptr->next = nstx_list; if (ptr->next) ptr->next->prev = ptr; nstx_list = ptr; ptr->id = id; return ptr; } static char * dealloc_item(struct nstx_item *ptr, int *l) { static char *data = NULL; int len = 0; struct clist *c, *tmp; if (ptr->prev) ptr->prev->next = ptr->next; else nstx_list = ptr->next; if (ptr->next) ptr->next->prev = ptr->prev; c = ptr->chunks; while (c) { data = realloc(data, len+c->len); memcpy(data+len, c->data, c->len); len += c->len; free(c->data); tmp = c->next; free(c); c = tmp; } free(ptr); if (l) *l = len; return data; } static void add_data_chunk(struct nstx_item *item, int seq, char *data, int len) { struct clist *next, *prev, *ptr; prev = next = NULL; if (!item->chunks) ptr = item->chunks = malloc(sizeof(struct clist)); else if (item->chunks->seq == seq) return; else if (item->chunks->seq > seq) { next = item->chunks; ptr = item->chunks = malloc(sizeof(struct clist)); } else { prev = item->chunks; while (prev->next && (prev->next->seq < seq)) prev = prev->next; next = prev->next; if (next && (next->seq == seq)) return; ptr = malloc(sizeof(struct clist)); } memset(ptr, 0, sizeof(struct clist)); if (prev) prev->next = ptr; ptr->next = next; ptr->seq = seq; ptr->len = len; ptr->data = malloc(len); memcpy(ptr->data, data, len); } static int find_sequence (struct nstx_item *item) { struct clist *list; int i; for (i = 0, list = item->chunks; list; i++, list = list->next) if (list->seq != i) break; return i; } static int add_data(struct nstx_item *item, struct nstxhdr *pkt, int datalen) { char *payload; payload = ((char *) pkt) + sizeof(struct nstxhdr); item->timestamp = time(NULL); if (pkt->flags & NSTX_LF) { item->frc = pkt->seq+1; } add_data_chunk(item, pkt->seq, payload, datalen-sizeof(struct nstxhdr)); if (item->frc && (find_sequence(item) == item->frc)) { return 1; } return 0; } static void check_timeouts(void) { unsigned int now; struct nstx_item *ptr = nstx_list, *ptr2; now = time(NULL); while (ptr) { ptr2 = ptr; ptr = ptr->next; if (now > (ptr2->timestamp + NSTX_TIMEOUT)) { dealloc_item(ptr2, NULL); } } } vde2-2.3.2+r586/src/vde_over_ns/pstack.h0000644000000000000000000000304513614540472014512 0ustar /* ---------------------------------------------------------------------------- * VDE_OVER_NS (C) 2007 Daniele Lacamera Derived from: NSTX -- tunneling network-packets over DNS (C) 2000 by Florian Heinz and Julien Oster This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -------------------------------------------------------------------------- */ #ifndef _NSTXHDR_H #error "Include nstx.h first" #endif #ifndef NSTX_PSTACK_H #define NSTX_PSTACK_H struct clist { int seq; char *data; int len; struct clist *next; }; struct nstx_item { struct nstx_item *next; struct nstx_item *prev; unsigned short id; unsigned int timestamp; int frc; struct clist *chunks; }; struct nstx_senditem { struct nstx_senditem *next; unsigned char *data; int id; int len; int offset; int seq; }; void nstx_handlepacket(const char *, size_t, void(*)(const char*, size_t)); void init_pstack(int len); #endif vde2-2.3.2+r586/src/vde_over_ns/queue.c0000644000000000000000000000557213614540472014353 0ustar /* ---------------------------------------------------------------------------- * VDE_OVER_NS (C) 2007 Daniele Lacamera Derived from: NSTX -- tunneling network-packets over DNS (C) 2000 by Florian Heinz and Julien Oster This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -------------------------------------------------------------------------- */ #include #include #include #include #include #include #include #include #include #include "fun.h" static struct nstxqueue *qhead = NULL; static int qlen = 0; static int qtimeout = QUEUETIMEOUT; struct nstxqueue *finditem (unsigned short id) { struct nstxqueue *ptr; for (ptr = qhead; ptr; ptr = ptr->next) if (ptr->id == id) break; return ptr; } void queueitem(unsigned short id, const char *name, const struct sockaddr_in *peer) { struct nstxqueue *ptr, *tmp; if (finditem(id)) return; qlen++; ptr = malloc(sizeof(struct nstxqueue)); memset(ptr, 0, sizeof(struct nstxqueue)); if (!qhead) qhead = ptr; else { for (tmp = qhead; tmp->next; tmp = tmp->next) ; tmp->next = ptr; } ptr->id = id; if (name) strcpy(ptr->name, name); if (peer) memcpy(&ptr->peer, peer, sizeof(struct sockaddr_in)); ptr->timeout = time(NULL) + qtimeout; } void queueid (unsigned short id) { queueitem(id, NULL, NULL); } struct nstxqueue *dequeueitem (int id) { static struct nstxqueue *tmp = NULL, *ptr; if (!qhead) return NULL; if (tmp) free(tmp); if ((id < 0) || (qhead->id == id)) { tmp = qhead; qhead = qhead->next; qlen--; } else { ptr = qhead; for (tmp = qhead->next; tmp; tmp = tmp->next) { if (tmp->id == id) { ptr->next = tmp->next; qlen--; break; } ptr = tmp; } } return tmp; } void timeoutqueue (void (*timeoutfn)(struct nstxqueue *)) { struct nstxqueue *ptr; time_t now; now = time(NULL); while (qhead && (qhead->timeout <= now)) { if (timeoutfn) timeoutfn(qhead); ptr = qhead; qhead = qhead->next; qlen--; free(ptr); } } int queuelen (void) { return qlen; } void qsettimeout (int timeout) { qtimeout = timeout; } vde2-2.3.2+r586/src/vde_over_ns/util.c0000644000000000000000000000343613614540472014201 0ustar /* ---------------------------------------------------------------------------- * VDE_OVER_NS (C) 2007 Daniele Lacamera Derived from: NSTX -- tunneling network-packets over DNS (C) 2000 by Florian Heinz and Julien Oster This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -------------------------------------------------------------------------- */ #include #include #include #include #include #include #include #include #include #include #include #include "fun.h" int checksum (unsigned char *buf, int len) { int x = 0; while (len--) x ^= buf[len]; return x; } void dwrite (char *path, char *buf, int len) { int fd; fd = open(path, O_RDWR|O_CREAT|O_TRUNC, 0600); write(fd, buf, len); close(fd); } #ifdef WITH_PKTDUMP void pktdump (const char *prefix, unsigned short id, const char *data, size_t len, int s) { int fd; char buf[30]; return; snprintf(buf, 30, "%s%hu%c", prefix, id, s ? 's' : 'r'); if ((fd = open(buf, O_WRONLY|O_CREAT|O_TRUNC, 0600)) >= 0) { write(fd, data, len); close(fd); } } #endif vde2-2.3.2+r586/src/vde_over_ns/vde_io.c0000644000000000000000000001257013614540472014470 0ustar /* ---------------------------------------------------------------------------- * VDE_OVER_NS (C) 2007 Daniele Lacamera Derived from: NSTX -- tunneling network-packets over DNS (C) 2000 by Florian Heinz and Julien Oster This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -------------------------------------------------------------------------- */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "fun.h" #define MAXPKT 2000 static int ifd,ofd,nfd; VDECONN *vconn = NULL; void init_vdesock(char *s) { struct vde_open_args open_args={.port=0,.group=NULL,.mode=0700}; if(s){ vconn = vde_open(s,"vde_over_ns",&open_args); if(!vconn){ fprintf(stderr,"Fatal Error. Vdeplug %s: %s\n",s,strerror(errno)); exit(1); } ifd = ofd = vde_datafd(vconn); return; } ifd = STDIN_FILENO, ofd = STDOUT_FILENO, nfd = -1; } void open_ns(const char *ip) { struct sockaddr_in sock = { 0 }; fprintf(stderr, "Opening nameserver-socket... "); if ((nfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { perror("failed!\nUnexpected error creating socket"); exit(EX_OSERR); } sock.sin_family = AF_INET; sock.sin_port = htons(53); sock.sin_addr.s_addr = inet_addr(ip); if (connect(nfd, (struct sockaddr *)&sock, sizeof(struct sockaddr_in))) { perror("connect"); exit(EXIT_FAILURE); } fprintf(stderr, "Using nameserver %s\n", ip); } void open_ns_bind(in_addr_t bindip) { struct sockaddr_in sock = { 0 }; fprintf(stderr, "Opening nameserver-socket... "); if ((nfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { perror("failed!\nUnexpected error creating socket"); exit(EX_OSERR); } sock.sin_family = AF_INET; sock.sin_port = htons(53); sock.sin_addr.s_addr = bindip; if (bind (nfd, (struct sockaddr *) &sock, sizeof(struct sockaddr_in))) { fprintf(stderr, "failed!\n"); switch (errno) { case EADDRINUSE: fprintf(stderr, "Address is in use, please kill other processes " "listening on UDP-Port 53 on %s\n", bindip == INADDR_ANY ? "all local IPs" : "the specified IP"); break; case EACCES: case EPERM: fprintf(stderr, "Permission denied binding port 53. You generally " "have to be root to bind privileged ports.\n"); break; default: fprintf(stderr, "Unexpected error: bind: %s\n", strerror(errno)); break; } exit(EXIT_FAILURE); } fprintf(stderr, "listening on 53/UDP\n"); } struct nstxmsg *nstx_select (int timeout) { unsigned peerlen; int c,pollret; struct pollfd pfd[2]; static struct nstxmsg *ret = NULL; u_int16_t vde_len; pfd[0].fd=ifd; pfd[1].fd=nfd; pfd[0].events=pfd[1].events= POLLIN | POLLHUP; for(;;){ pollret=poll(pfd,2,1000); if(pollret<0){ perror("poll"); exit(1); } if (!ret) ret = malloc(sizeof(struct nstxmsg)); if (pfd[0].revents&POLLIN) { if(vconn!=NULL){ ret->len = vde_recv(vconn,ret->data,MAXPKT,0); }else{ c=read(ifd,ret->data,2); if(c<2) return NULL; vde_len=0; vde_len+=((unsigned char)(ret->data[0]))<<8; vde_len+=(unsigned char)(ret->data[1]); ret->len=2; while(ret->len < (vde_len + 2)){ ret->len += read(ifd, ret->data+ret->len, ((vde_len+2) - ret->len)); } } // fprintf(stderr,"Read %d.\n",vde_len); ret->src = FROMTUN; return ret; } if (pfd[1].revents&POLLIN) { peerlen = sizeof(struct sockaddr_in); ret->len = recvfrom(nfd, ret->data, MAXPKT, 0, (struct sockaddr *) &ret->peer, &peerlen); if(ret->len > 0){ #ifdef WITH_PKTDUMP pktdump("/tmp/nstx/pkt.", *((unsigned short *)ret->data), ret->data, ret->len, 0); #endif ret->src = FROMNS; return ret; } } } return NULL; } void send_vde(const char *data, size_t len) { static unsigned int outbuf[MAXPKT]; static int outp; static u_int16_t outlen; if(len<=0) return; if (vconn!=NULL){ vde_send(vconn,data,len,0); return; } if(outp==0 && (len >=2) ){ outlen=2; outlen+=(unsigned char)data[1]; outlen+=((unsigned char)(data[0]))<<8; } if(len>=outlen){ write(ofd,data,outlen); send_vde(data+outlen,len-outlen); return; } memcpy(outbuf+outp,data,len); outp+=len; if(outp>=outlen){ write(ofd,outbuf,outlen); outp=0; } } void sendns (const char *data, size_t len, const struct sockaddr *peer) { if (peer) sendto(nfd, data, len, 0, peer, sizeof(struct sockaddr_in)); else send(nfd, data, len, 0); #ifdef WITH_PKTDUMP pktdump("/tmp/nstx/pkt.", *((unsigned short *)data), data, len, 1); #endif } vde2-2.3.2+r586/src/vde_over_ns/vde_over_ns.c0000644000000000000000000002231413614540472015531 0ustar /* ---------------------------------------------------------------------------- * VDE_OVER_NS (C) 2007 Daniele Lacamera Derived from: NSTX -- tunneling network-packets over DNS (C) 2000 by Florian Heinz and Julien Oster This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -------------------------------------------------------------------------- */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "fun.h" #include "pstack.h" #include "dns.h" #define DNSTIMEOUT 3 #define DRQLEN 10 #define BUFLEN 2000 static int nsid; static void nstx_getpacket (void); static struct nstx_senditem * alloc_senditem(void); static void queue_senditem(const char *buf, int len); static char *dequeue_senditem (int *len); struct nstx_senditem * nstx_sendlist = NULL; static char *vdesock = NULL; static void nstxc_handle_reply(char *, int); static int nstxc_send_packet(char *, int); static void usage(const char *prog, int code) { fprintf (stderr, "usage: %s [-c DNSSERVER] [-s VDESOCK] [-i IP] [-D] \n" "Options:\n" "\t-i IP (bind to port 53 on this IP only)\n" "\n" "\t-D (call daemon(3) to detach from terminal)\n" "\n" "\t-c DNSSERVER: Client mode. Tries to 'connect' to DNSSERVER.\n" "\t\t(if this is not specified, server mode will be enabled by default.) \n" "\n" "\t-s VDESOCKET: Attach to socket VDESOCKET \n" "\t\t(if not specified, use stdin/stdout) \n" "\n" "example:\n" "\t%s -s /tmp/vde.ctl -c 1.2.3.4 tun.vdevirtualnetwork.foo [Client mode]\n" "\t%s -s /var/vde-master-switch.ctl tun.vdevirtualnetwork.foo [Server mode]\n", prog, prog, prog); exit(code); } int main (int argc, char *argv[]) { signed char ch; const char *dir = NULL; in_addr_t bindto = INADDR_ANY; uid_t uid = 0; int daemonize = 0; int logmask = LOG_UPTO(LOG_INFO); char *clientmode_serveraddress=NULL; struct nstxmsg *msg; nsid = time(NULL); while ((ch = getopt(argc, argv, "Dh:i:s:c:")) != -1) { switch(ch) { case 'i': bindto = inet_addr(optarg); if (bindto == INADDR_NONE) { fprintf(stderr, "`%s' is not an IP-address\n", optarg); exit(EX_USAGE); } break; case 'D': daemonize = 1; break; case 'g': logmask = LOG_UPTO(LOG_DEBUG); break; case 's': vdesock = strdup(optarg); break; case 'h': usage(argv[0], 0); /* no return */ case 'c': clientmode_serveraddress = strdup(optarg); break; default: usage(argv[0], EX_USAGE); /* no return */ } } if (argc - optind < 1) usage(argv[0], EX_USAGE); dns_setsuffix(argv[optind]); if (uid && setuid(uid)) { syslog(LOG_ERR, "Can't setuid to %ld: %m", (long)uid); exit(EX_NOPERM); } if (daemonize && daemon(0, 0)) { syslog(LOG_ERR, "Can't become a daemon: %m"); exit(EX_OSERR); } if (clientmode_serveraddress!=NULL){ fprintf(stderr,"Client Mode\n"); qsettimeout(10); open_ns(clientmode_serveraddress); init_vdesock(vdesock); for (;;) { msg = nstx_select(1); if (msg) { if (msg->src == FROMNS) { nstxc_handle_reply (msg->data, msg->len); } else if (msg->src == FROMTUN) { nstxc_send_packet (msg->data, msg->len); } } timeoutqueue(NULL); while (queuelen() < DRQLEN) nstxc_send_packet (NULL, 0); } return 0; } else { fprintf(stderr,"Server Mode\n"); open_ns_bind(bindto); init_vdesock(vdesock); if (dir) { /* Open the log-socket now (with LOG_NDELAY) before chroot-ing */ openlog(argv[0], LOG_PERROR|LOG_PID|LOG_CONS|LOG_NDELAY, LOG_DAEMON); if (chroot(dir)) { syslog(LOG_ERR, "Can't chroot to %s: %m", dir); exit(EXIT_FAILURE); /* Too many possible causes */ } } else openlog(argv[0], LOG_PERROR|LOG_PID|LOG_CONS, LOG_DAEMON); setlogmask(logmask); while (1) nstx_getpacket(); exit(0); } } struct nstx_senditem * nstx_get_senditem(void) { struct nstx_senditem *ptr = nstx_sendlist; if (!nstx_sendlist) return NULL; ptr = nstx_sendlist; nstx_sendlist = nstx_sendlist->next; return ptr; } static void do_timeout (struct nstxqueue *q) { struct dnspkt *pkt; int len; char *buf; pkt = dns_alloc(); dns_setid(pkt, q->id); dns_settype(pkt, DNS_RESPONSE); dns_addanswer(pkt, "\xb4\x00\x00\x00", 4, dns_addquery(pkt, q->name)); buf = (char*)dns_constructpacket (pkt, &len); sendns(buf, len, &q->peer); free(buf); } void nstx_getpacket (void) { int len, link; const char *name, *buf, *data; struct nstxmsg *msg; struct nstxqueue *qitem; struct dnspkt *pkt; msg = nstx_select(1); if (msg) { if (msg->src == FROMNS) { pkt = dns_extractpkt((unsigned char*)msg->data, msg->len); if (pkt) { name = dns_getquerydata(pkt); if (name) { syslog(LOG_DEBUG, "getpacket: asked for name `%s'", name); queueitem(pkt->id, name, &msg->peer); if ((data = dns_fqdn2data(name)) && (buf = nstx_decode((unsigned char*)data, &len))) { nstx_handlepacket(buf, len, &send_vde); } } dns_free(pkt); } } else if (msg->src == FROMTUN) queue_senditem(msg->data, msg->len); } while (queuelen()) { if (!nstx_sendlist) break; qitem = dequeueitem(-1); pkt = dns_alloc(); dns_setid(pkt, qitem->id); dns_settype(pkt, DNS_RESPONSE); link = dns_addquery(pkt, qitem->name); len = dns_getfreespace(pkt, DNS_RESPONSE); buf = dequeue_senditem(&len); dns_addanswer(pkt, buf, len, link); buf = (char*)dns_constructpacket(pkt, &len); sendns(buf, len, &qitem->peer); } timeoutqueue(do_timeout); } static struct nstx_senditem * alloc_senditem(void) { struct nstx_senditem *ptr = nstx_sendlist; if (!nstx_sendlist) { ptr = nstx_sendlist = malloc(sizeof(struct nstx_senditem)); } else { while (ptr->next) ptr = ptr->next; ptr->next = malloc(sizeof(struct nstx_senditem)); ptr = ptr->next; } memset(ptr, 0, sizeof(struct nstx_senditem)); return ptr; } static void queue_senditem(const char *buf, int len) { static int id = 0; struct nstx_senditem *item; item = alloc_senditem(); item->data = malloc(len); memcpy(item->data, buf, len); item->len = len; item->id = ++id; } static char * dequeue_senditem (int *len) { static char *buf; struct nstx_senditem *item = nstx_sendlist; struct nstxhdr *nh; int remain, dlen; remain = item->len - item->offset; dlen = *len - sizeof(struct nstxhdr); if (dlen > remain) dlen = remain; *len = dlen + sizeof(struct nstxhdr); buf = realloc(buf, *len); nh = (struct nstxhdr *)buf; memset(nh, 0, sizeof(struct nstxhdr)); memcpy(buf+sizeof(struct nstxhdr), item->data + item->offset, dlen); nh->magic = NSTX_MAGIC; nh->seq = item->seq++; nh->id = item->id; item->offset += dlen; if (item->offset == item->len) { nh->flags = NSTX_LF; nstx_sendlist = item->next; free(item->data); free(item); } return buf; } static void nstxc_handle_reply (char * reply, int len) { struct dnspkt *pkt; const char *data; int datalen; pkt = dns_extractpkt ((unsigned char*)reply, len); if (!pkt) return; while ((data = dns_getanswerdata(pkt, &datalen))) { data = (char*)txt2data((unsigned char*)data, &datalen); nstx_handlepacket (data, datalen, &send_vde); } dequeueitem(pkt->id); dns_free(pkt); } static int nstxc_send_packet (char *data, int datalen) { static int id = -1; char *p; struct nstxhdr nh; struct dnspkt *pkt; int l; if (id < 0) id = time(NULL); nh.magic = NSTX_MAGIC; nh.seq = 0; nh.id = id++; nh.flags = 0; do { pkt = dns_alloc(); dns_settype(pkt, DNS_QUERY); dns_setid(pkt, nsid); l = dns_getfreespace(pkt, DNS_QUERY); if (l <= 0) { printf("Fatal: no free space in dns-packet?!\n"); exit(1); } p = malloc(l); l -= sizeof(nh); if (l > datalen) { l = datalen; nh.flags = NSTX_LF; } memcpy (p, (char*)&nh, sizeof(nh)); if (data) memcpy (p + sizeof(nh), data, l); data += l; datalen -= l; dns_addquery(pkt, dns_data2fqdn(nstx_encode((unsigned char*)p, sizeof(nh)+l))); free(p); p = (char*)dns_constructpacket(pkt, &l); sendns(p, l, NULL); free(p); queueid(nsid); nsid++; nh.seq++; } while (datalen); return 0; } vde2-2.3.2+r586/src/vde_pcapplug.c0000644000000000000000000002220413614540472013356 0ustar /* * Copyright (C) 2008 - Luca Bigliardi * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define _GNU_SOURCE #include #include #include #include #include #include #include #ifdef VDE_FREEBSD #include #endif #if defined(VDE_DARWIN) || defined(VDE_FREEBSD) # if defined HAVE_SYSLIMITS_H # include # elif defined HAVE_SYS_SYSLIMITS_H # include # else # error "No syslimits.h found" # endif #endif #define BUFSIZE 2048 static VDECONN *conn = NULL; static pcap_t *pcap = NULL; char *prog; int logok; static char *pidfile = NULL; static char pidfile_path[PATH_MAX]; void printlog(int priority, const char *format, ...) { va_list arg; va_start (arg, format); if (logok) vsyslog(priority,format,arg); else { fprintf(stderr,"%s: ",prog); vfprintf(stderr,format,arg); fprintf(stderr,"\n"); } va_end (arg); } static void cleanup(void) { if((pidfile != NULL) && unlink(pidfile_path) < 0) { printlog(LOG_WARNING,"Couldn't remove pidfile '%s': %s", pidfile, strerror(errno)); } if (pcap) pcap_close(pcap); if (conn) vde_close(conn); } static void sig_handler(int sig) { cleanup(); signal(sig, SIG_DFL); if (sig == SIGTERM) _exit(0); else kill(getpid(), sig); } static void setsighandlers() { /* setting signal handlers. * sets clean termination for SIGHUP, SIGINT and SIGTERM, and simply * ignores all the others signals which could cause termination. */ struct { int sig; const char *name; int ignore; } signals[] = { { SIGHUP, "SIGHUP", 0 }, { SIGINT, "SIGINT", 0 }, { SIGPIPE, "SIGPIPE", 1 }, { SIGALRM, "SIGALRM", 1 }, { SIGTERM, "SIGTERM", 0 }, { SIGUSR1, "SIGUSR1", 1 }, { SIGUSR2, "SIGUSR2", 1 }, { SIGPROF, "SIGPROF", 1 }, { SIGVTALRM, "SIGVTALRM", 1 }, #ifdef VDE_LINUX { SIGPOLL, "SIGPOLL", 1 }, #ifdef SIGSTKFLT { SIGSTKFLT, "SIGSTKFLT", 1 }, #endif { SIGIO, "SIGIO", 1 }, { SIGPWR, "SIGPWR", 1 }, #ifdef SIGUNUSED { SIGUNUSED, "SIGUNUSED", 1 }, #endif #endif #ifdef VDE_DARWIN { SIGXCPU, "SIGXCPU", 1 }, { SIGXFSZ, "SIGXFSZ", 1 }, #endif { 0, NULL, 0 } }; int i; for(i = 0; signals[i].sig != 0; i++) if(signal(signals[i].sig, signals[i].ignore ? SIG_IGN : sig_handler) < 0) perror("Setting handler"); } struct pollfd pollv[]={{0,POLLIN|POLLHUP},{0,POLLIN|POLLHUP},{0,POLLIN|POLLHUP}}; static void usage(void) { fprintf(stderr, "Usage: %s [OPTION]... interface\n\n", prog); fprintf(stderr, " -p, --port=portnum Port number in the VDE switch\n" " -g, --group=group Group for the socket\n" " -m, --mode=mode Octal mode for the socket\n" " -s, --sock=socket VDE switch control socket or dir\n" " -d, --daemon Launch in background\n" " -P, --pidfile=pidfile Create pidfile with our PID\n" " -h, --help This help\n"); exit(-1); } unsigned char bufin[BUFSIZE]; static void save_pidfile() { if(pidfile[0] != '/') strncat(pidfile_path, pidfile, PATH_MAX - strlen(pidfile_path) - 1); else strncpy(pidfile_path, pidfile, PATH_MAX - 1); int fd = open(pidfile_path, O_WRONLY | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); FILE *f; if(fd == -1) { printlog(LOG_ERR, "Error in pidfile creation: %s", strerror(errno)); exit(1); } if((f = fdopen(fd, "w")) == NULL) { printlog(LOG_ERR, "Error in FILE* construction: %s", strerror(errno)); exit(1); } if(fprintf(f, "%ld\n", (long int)getpid()) <= 0) { printlog(LOG_ERR, "Error in writing pidfile"); exit(1); } fclose(f); } void pcap_callback(u_char *u, const struct pcap_pkthdr *h, const u_char *data) { vde_send(conn, data, h->len, 0); } void setup_fd(int fd) { /* FreeBSD settings */ #if defined(VDE_FREEBSD) /* * Tell the kernel that the header is fully-formed when it gets it. * This is required in order to fake the src address. */ { unsigned int i = 1; ioctl(fd, BIOCSHDRCMPLT, &i); } /* * Tell the kernel that the packet has to be processed immediately. */ { unsigned int i = 1; ioctl(fd, BIOCIMMEDIATE, &i); } /* * Allow guest-host communication. */ { unsigned int i = 1; ioctl(fd, BIOCFEEDBACK, &i); } #endif /* * BIG TODO(shammash): * let host and guest communicate under linux */ /* * Most important parts of libpcap with PF_PACKET on Linux: rawfd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL)); iface_get_id(int fd, const char *device, char *ebuf) { struct ifreq ifr; memset(&ifr, 0, sizeof(ifr)); strncpy(ifr.ifr_name, device, sizeof(ifr.ifr_name)); if (ioctl(fd, SIOCGIFINDEX, &ifr) == -1) { snprintf(ebuf, PCAP_ERRBUF_SIZE, "SIOCGIFINDEX: %s", pcap_strerror(errno)); return -1; } return ifr.ifr_ifindex; } struct packet_mreq mr; memset(&mr, 0, sizeof(mr)); mr.mr_ifindex = handle->md.ifindex; mr.mr_type = PACKET_MR_PROMISC; if (setsockopt(sock_fd, SOL_PACKET, PACKET_ADD_MEMBERSHIP, &mr, sizeof(mr)) == -1) { snprintf(ebuf, PCAP_ERRBUF_SIZE, "setsockopt: %s", pcap_strerror(errno)); } * */ #if defined(VDE_LINUX) { unsigned int i = 1; if (setsockopt(fd, SOL_SOCKET, SO_BROADCAST, &i, sizeof(i)) == -1) { printlog(LOG_ERR, "SO_BROADCAST: %s\n", strerror(errno)); exit(1); } } #endif } int main(int argc, char **argv) { static char *sockname=NULL; static char *ifname=NULL; int daemonize=0; char errbuf[PCAP_ERRBUF_SIZE]; int pcapfd; register ssize_t nx; struct vde_open_args open_args={.port=0,.group=NULL,.mode=0700}; int c; prog=argv[0]; while (1) { int option_index = 0; static struct option long_options[] = { {"sock", 1, 0, 's'}, {"port", 1, 0, 'p'}, {"help",0,0,'h'}, {"mod",1,0,'m'}, {"group",1,0,'g'}, {"daemon",0,0,'d'}, {"pidfile", 1, 0, 'P'}, {0, 0, 0, 0} }; c = GETOPT_LONG (argc, argv, "hdP:p:s:m:g:", long_options, &option_index); if (c == -1) break; switch (c) { case 'p': open_args.port=atoi(optarg); if (open_args.port <= 0) usage(); //implies exit break; case 'h': usage(); //implies exit break; case 's': sockname=strdup(optarg); break; case 'm': sscanf(optarg,"%o",(unsigned int *)&(open_args.mode)); break; case 'g': open_args.group=strdup(optarg); break; case 'd': daemonize=1; break; case 'P': pidfile=strdup(optarg); break; default: usage(); //implies exit } } if (daemonize) { openlog(basename(prog), LOG_PID, 0); logok=1; syslog(LOG_INFO,"VDE_PCAPPLUG started"); } /* saves current path in pidfile_path, because otherwise with daemonize() we * forget it */ if(getcwd(pidfile_path, PATH_MAX-2) == NULL) { printlog(LOG_ERR, "getcwd: %s", strerror(errno)); exit(1); } strcat(pidfile_path, "/"); conn=vde_open(sockname,"vde_pcapplug:",&open_args); if (conn == NULL) { printlog(LOG_ERR,"vde_open %s: %s",sockname?sockname:"DEF_SWITCH",strerror(errno)); exit(1); } if (daemonize && daemon(0, 0)) { printlog(LOG_ERR,"daemon: %s",strerror(errno)); exit(1); } /* once here, we're sure we're the true process which will continue as a * server: save PID file if needed */ if(pidfile) save_pidfile(); if (optind < argc) ifname=argv[optind]; else usage(); // implies exit atexit(cleanup); setsighandlers(); pcap = pcap_open_live(ifname, BUFSIZE, 1, 0, errbuf); if (pcap == NULL) { printlog(LOG_ERR, "Open %s: %s\n", ifname, errbuf); exit(1); } if (pcap_datalink(pcap) != DLT_EN10MB ) { printlog(LOG_ERR, "Given interface is not ethernet\n"); exit(1); } pcapfd=pcap_get_selectable_fd(pcap); if (pcapfd == -1) { printlog(LOG_ERR, "pcap has no fd for poll()\n"); exit(1); } setup_fd(pcapfd); pollv[0].fd=pcapfd; pollv[1].fd=vde_datafd(conn); pollv[2].fd=vde_ctlfd(conn); for(;;) { poll(pollv,3,-1); if ((pollv[0].revents | pollv[1].revents | pollv[2].revents) & POLLHUP || pollv[2].revents & POLLIN) break; if (pollv[0].revents & POLLIN) { nx = pcap_dispatch(pcap, 1, &pcap_callback, NULL); if (nx<=0) break; } if (pollv[1].revents & POLLIN) { nx=vde_recv(conn,bufin,sizeof(bufin),0); if (nx<=0) break; nx = pcap_inject(pcap, bufin, nx); if (nx<=0) break; } } return(0); } vde2-2.3.2+r586/src/vde_plug.c0000644000000000000000000002165013614540472012516 0ustar /* Copyright 2002 Renzo Davoli * Licensed under the GPL * Modified by Ludovico Gardenghi 2005 */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef VDE_IP_LOG #define DO_SYSLOG #endif #ifdef DO_SYSLOG #include #include #include #endif #ifndef MIN #define MIN(X,Y) (((X)<(Y))?(X):(Y)) #endif #define BUFSIZE 4096 #define ETH_ALEN 6 VDECONN *conn; VDESTREAM *vdestream; struct utsname me; #define myname me.nodename static struct passwd *callerpwd; #ifdef DO_SYSLOG static char host[256]; void write_syslog_entry(char *message) { char *ssh_client; size_t ip_length; openlog("vde_plug", 0, LOG_USER); //get the caller IP address //TNX Giordani-Macchia code from vish.c if ((ssh_client=getenv("SSH_CLIENT"))!=NULL) { for (ip_length=0;ip_length=sizeof(host)) ip_length=sizeof(host)-1; memcpy(host,ssh_client,ip_length); host[ip_length]=0; } else strcpy(host,"UNKNOWN_IP_ADDRESS"); syslog(LOG_INFO,"%s: user %s IP %s",message,callerpwd->pw_name,host); closelog(); } void write_syslog_close() { write_syslog_entry("STOP"); } #endif #ifdef VDE_IP_LOG #define MAX_IP 256 int vde_ip_log; struct header { unsigned char dest[ETH_ALEN]; unsigned char src[ETH_ALEN]; unsigned char proto[2]; }; union body { struct { unsigned char version; unsigned char filler[11]; unsigned char ip4src[4]; unsigned char ip4dst[4]; } v4; struct { unsigned char version; unsigned char filler[7]; unsigned char ip6src[16]; unsigned char ip6dst[16]; } v6; struct { unsigned char priovlan[2]; } vlan; }; unsigned char ip4list[MAX_IP][4]; unsigned char ip6list[MAX_IP][16]; static unsigned char nulladdr[16]; static int hash4(unsigned char *addr) { return((addr[0]+2*addr[1]+3*addr[2]+5*addr[3]) % MAX_IP); } static int hash6(unsigned char *addr) { return((addr[0]+2*addr[1]+3*addr[2]+5*addr[3]+ 7*addr[4]+11*addr[5]+13*addr[6]+17*addr[7]+ 19*addr[8]+23*addr[9]+29*addr[10]+31*addr[11]+ 37*addr[12]+41*addr[13]+43*addr[14]+47*addr[15]) % MAX_IP); } static void vde_ip_check(const unsigned char *buf,int rnx) { struct header *ph=(struct header *) buf; int i,j,vlan=0; char addr[256]; union body *pb; pb=(union body *)(ph+1); if (ph->proto[0]==0x81 && ph->proto[1]==0x00) { /*VLAN*/ vlan=((pb->vlan.priovlan[0] << 8) + pb->vlan.priovlan[1]) & 0xfff; pb=(union body *)(((char *)pb)+4); } if (ph->proto[0]==0x08 && ph->proto[1]==0x00 && pb->v4.version == 0x45) { /*v4 */ i=hash4(pb->v4.ip4src); j=(i+MAX_IP-1)%MAX_IP; while (1) { /* most frequent case first */ if (memcmp(pb->v4.ip4src,ip4list[i],4) == 0) break; else if (memcmp(ip4list[i],nulladdr,4) == 0) { memcpy(ip4list[i],pb->v4.ip4src,4); syslog(LOG_INFO,"user %s Real-IP %s has got VDE-IP4 %s on vlan %d",callerpwd->pw_name,host,inet_ntop(AF_INET,ip4list[i],addr,256),vlan); /*new ipv4*/ break; } else if (i==j) { syslog(LOG_ERR,"IPv4 table full. Exiting\n"); /*full table*/ exit(-1); } else i= (i+1)%MAX_IP; } } else if (ph->proto[0]==0x86 && ph->proto[1]==0xdd && pb->v4.version == 0x60) { /* v6 */ i=hash6(pb->v6.ip6src); j=(i+MAX_IP-1)%MAX_IP; while (1) { /* most frequent case first */ if (memcmp(pb->v6.ip6src,ip6list[i],16) == 0) break; else if (memcmp(ip6list[i],nulladdr,16) == 0) { memcpy(ip6list[i],pb->v6.ip6src,16); syslog(LOG_INFO,"user %s Real-IP %s has got VDE-IP6 %s on vlan %d",callerpwd->pw_name,host,inet_ntop(AF_INET6,ip6list[i],addr,256),vlan); /*new ipv6*/ break; } else if (i==j) { syslog(LOG_ERR,"IPv6 table full. Exiting\n"); /*full table*/ exit(-1); } else i= (i+1)%MAX_IP; } } } #endif void vdeplug_err(void *opaque, int type, char *format,...) { va_list args; if (isatty(STDERR_FILENO)) { fprintf(stderr, "%s: Packet length error",myname); va_start(args, format); vfprintf(stderr, format, args); va_end(args); fprintf(stderr,"\n"); } } ssize_t vdeplug_recv(void *opaque, void *buf, size_t count) { VDECONN *conn=opaque; #ifdef VDE_IP_LOG if (vde_ip_log) vde_ip_check(buf,count); #endif return vde_send(conn,(char *)buf,count,0); } static void cleanup(void) { vdestream_close(vdestream); vde_close(conn); } static void sig_handler(int sig) { cleanup(); signal(sig, SIG_DFL); if (sig == SIGTERM) _exit(0); else kill(getpid(), sig); } static void setsighandlers() { /* setting signal handlers. * sets clean termination for SIGHUP, SIGINT and SIGTERM, and simply * ignores all the others signals which could cause termination. */ struct { int sig; const char *name; int ignore; } signals[] = { { SIGHUP, "SIGHUP", 0 }, { SIGINT, "SIGINT", 0 }, { SIGPIPE, "SIGPIPE", 1 }, { SIGALRM, "SIGALRM", 1 }, { SIGTERM, "SIGTERM", 0 }, { SIGUSR1, "SIGUSR1", 1 }, { SIGUSR2, "SIGUSR2", 1 }, { SIGPROF, "SIGPROF", 1 }, { SIGVTALRM, "SIGVTALRM", 1 }, #ifdef VDE_LINUX { SIGPOLL, "SIGPOLL", 1 }, #ifdef SIGSTKFLT { SIGSTKFLT, "SIGSTKFLT", 1 }, #endif { SIGIO, "SIGIO", 1 }, { SIGPWR, "SIGPWR", 1 }, #ifdef SIGUNUSED { SIGUNUSED, "SIGUNUSED", 1 }, #endif #endif #ifdef VDE_DARWIN { SIGXCPU, "SIGXCPU", 1 }, { SIGXFSZ, "SIGXFSZ", 1 }, #endif { 0, NULL, 0 } }; int i; for(i = 0; signals[i].sig != 0; i++) if(signal(signals[i].sig, signals[i].ignore ? SIG_IGN : sig_handler) < 0) perror("Setting handler"); } struct pollfd pollv[]={{STDIN_FILENO,POLLIN|POLLHUP},{0,POLLIN|POLLHUP},{0,POLLIN|POLLHUP}}; static void netusage() { #ifdef DO_SYSLOG write_syslog_entry("FAILED"); #endif fprintf (stderr,"This is a Virtual Distributed Ethernet (vde) tunnel broker. \n" "This is not a login shell, only vde_plug can be executed\n"); exit(-1); } static void usage(char *progname) { fprintf (stderr,"Usage: %s [-p portnum] [-g group] [-m mod] socketname\n\n",progname); exit(-1); } unsigned char bufin[BUFSIZE]; int main(int argc, char **argv) { static char *sockname=NULL; ssize_t nx; struct vde_open_args open_args={.port=0,.group=NULL,.mode=0700}; uname(&me); //get the login name callerpwd=getpwuid(getuid()); if (argv[0][0] == '-') netusage(); //implies exit /* option parsing */ { int c; while (1) { int option_index = 0; static struct option long_options[] = { {"sock", 1, 0, 's'}, {"vdesock", 1, 0, 's'}, {"unix", 1, 0, 's'}, {"port", 1, 0, 'p'}, {"help",0,0,'h'}, {"mod",1,0,'m'}, {"group",1,0,'g'}, {0, 0, 0, 0} }; c = GETOPT_LONG (argc, argv, "hc:p:s:m:g:l", long_options, &option_index); if (c == -1) break; switch (c) { case 'c': if (strcmp(optarg,"vde_plug")==0) { #ifdef DO_SYSLOG write_syslog_entry("START"); atexit(write_syslog_close); #ifdef VDE_IP_LOG vde_ip_log=1; #endif #endif } else netusage(); //implies exit break; case 'p': open_args.port=atoi(optarg); if (open_args.port <= 0) usage(argv[0]); //implies exit break; case 'h': usage(argv[0]); //implies exit break; case 's': sockname=strdup(optarg); break; case 'm': sscanf(optarg,"%o",(unsigned int *)&(open_args.mode)); break; case 'g': open_args.group=strdup(optarg); break; case 'l': #ifdef VDE_IP_LOG write_syslog_entry("START"); atexit(write_syslog_close); vde_ip_log=1; break; #endif default: usage(argv[0]); //implies exit } } if (optind < argc && sockname==NULL) sockname=argv[optind]; } atexit(cleanup); setsighandlers(); conn=vde_open(sockname,"vde_plug:",&open_args); if (conn == NULL) { fprintf(stderr,"vde_open %s: %s\n",sockname?sockname:"DEF_SWITCH",strerror(errno)); exit(1); } vdestream=vdestream_open(conn,STDOUT_FILENO,vdeplug_recv,vdeplug_err); pollv[1].fd=vde_datafd(conn); pollv[2].fd=vde_ctlfd(conn); for(;;) { poll(pollv,3,-1); if ((pollv[0].revents | pollv[1].revents | pollv[2].revents) & POLLHUP || pollv[2].revents & POLLIN) break; if (pollv[0].revents & POLLIN) { nx=read(STDIN_FILENO,bufin,sizeof(bufin)); /* if POLLIN but not data it means that the stream has been * closed at the other end */ /*fprintf(stderr,"%s: RECV %d %x %x \n",myname,nx,bufin[0],bufin[1]);*/ if (nx==0) break; vdestream_recv(vdestream, bufin, nx); } if (pollv[1].revents & POLLIN) { nx=vde_recv(conn,bufin,BUFSIZE-2,0); if (nx<0) perror("vde_plug: recvfrom "); else { vdestream_send(vdestream, bufin, nx); /*fprintf(stderr,"%s: SENT %d %x %x \n",myname,nx,bufin[0],bufin[1]);*/ } } } return(0); } vde2-2.3.2+r586/src/vde_plug2tap.c0000644000000000000000000002213513614540472013304 0ustar /* Copyright 2006 Renzo Davoli * from vde_plug Davoli Gardenghi * Modified 2010 Renzo Davoli, vdestream added * Licensed under the GPLv2 */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define _GNU_SOURCE #include #include #include #include #include #include #define BUFSIZE 2048 #if defined VDE_LINUX || defined VDE_BIONIC #include #include #endif #ifdef VDE_FREEBSD #include #include #include #endif #if defined(VDE_DARWIN) || defined(VDE_FREEBSD) # define TAP_PREFIX "/dev/" # if defined HAVE_SYSLIMITS_H # include # elif defined HAVE_SYS_SYSLIMITS_H # include # else # error "No syslimits.h found" # endif #endif VDECONN *conn; VDESTREAM *vdestream; char *prog; int logok; static char *pidfile = NULL; static char pidfile_path[PATH_MAX]; void printlog(int priority, const char *format, ...) { va_list arg; va_start (arg, format); if (logok) vsyslog(priority,format,arg); else { fprintf(stderr,"%s: ",prog); vfprintf(stderr,format,arg); fprintf(stderr,"\n"); } va_end (arg); } static void cleanup(void) { if((pidfile != NULL) && unlink(pidfile_path) < 0) { printlog(LOG_WARNING,"Couldn't remove pidfile '%s': %s", pidfile, strerror(errno)); } if (vdestream != NULL) vdestream_close(vdestream); if (conn != NULL) vde_close(conn); } static void sig_handler(int sig) { cleanup(); signal(sig, SIG_DFL); if (sig == SIGTERM) _exit(0); else kill(getpid(), sig); } static void setsighandlers() { /* setting signal handlers. * sets clean termination for SIGHUP, SIGINT and SIGTERM, and simply * ignores all the others signals which could cause termination. */ struct { int sig; const char *name; int ignore; } signals[] = { { SIGHUP, "SIGHUP", 0 }, { SIGINT, "SIGINT", 0 }, { SIGPIPE, "SIGPIPE", 1 }, { SIGALRM, "SIGALRM", 1 }, { SIGTERM, "SIGTERM", 0 }, { SIGUSR1, "SIGUSR1", 1 }, { SIGUSR2, "SIGUSR2", 1 }, { SIGPROF, "SIGPROF", 1 }, { SIGVTALRM, "SIGVTALRM", 1 }, #if defined VDE_LINUX || defined VDE_BIONIC { SIGPOLL, "SIGPOLL", 1 }, #ifdef SIGSTKFLT { SIGSTKFLT, "SIGSTKFLT", 1 }, #endif { SIGIO, "SIGIO", 1 }, { SIGPWR, "SIGPWR", 1 }, #ifdef SIGUNUSED { SIGUNUSED, "SIGUNUSED", 1 }, #endif #endif #ifdef VDE_DARWIN { SIGXCPU, "SIGXCPU", 1 }, { SIGXFSZ, "SIGXFSZ", 1 }, #endif { 0, NULL, 0 } }; int i; for(i = 0; signals[i].sig != 0; i++) if(signal(signals[i].sig, signals[i].ignore ? SIG_IGN : sig_handler) < 0) perror("Setting handler"); } static void usage(void) { fprintf(stderr, "Usage: %s [OPTION]... tap_name\n\n", prog); fprintf(stderr, " -p, --port=portnum Port number in the VDE switch\n" " -g, --group=group Group for the socket\n" " -m, --mode=mode Octal mode for the socket\n" " -s, --sock=socket VDE switch control socket or dir\n" " -d, --daemon Launch in background\n" " -P, --pidfile=pidfile Create pidfile with our PID\n" " -h, --help This help\n"); exit(-1); } #ifdef VDE_LINUX int open_tap(char *dev) { struct ifreq ifr; int fd; if((fd = open("/dev/net/tun", O_RDWR)) < 0){ printlog(LOG_ERR,"Failed to open /dev/net/tun %s",strerror(errno)); return(-1); } memset(&ifr, 0, sizeof(ifr)); ifr.ifr_flags = IFF_TAP | IFF_NO_PI; strncpy(ifr.ifr_name, dev, sizeof(ifr.ifr_name) - 1); /*printf("dev=\"%s\", ifr.ifr_name=\"%s\"\n", ifr.ifr_name, dev);*/ if(ioctl(fd, TUNSETIFF, (void *) &ifr) < 0){ printlog(LOG_ERR,"TUNSETIFF failed %s",strerror(errno)); close(fd); return(-1); } return(fd); } #endif #ifdef VDE_BIONIC int open_tap(char *dev) { struct ifreq ifr; int fd; if((fd = open("/dev/tun", O_RDWR)) < 0){ printlog(LOG_ERR,"Failed to open /dev/tun %s",strerror(errno)); return(-1); } memset(&ifr, 0, sizeof(ifr)); ifr.ifr_flags = IFF_TAP | IFF_NO_PI; strncpy(ifr.ifr_name, dev, sizeof(ifr.ifr_name) - 1); /*printf("dev=\"%s\", ifr.ifr_name=\"%s\"\n", ifr.ifr_name, dev);*/ if(ioctl(fd, TUNSETIFF, (void *) &ifr) < 0){ printlog(LOG_ERR,"TUNSETIFF failed %s",strerror(errno)); close(fd); return(-1); } return(fd); } #endif #if defined(VDE_DARWIN) || defined(VDE_FREEBSD) int open_tap(char *dev) { int fd; int prefixlen = strlen(TAP_PREFIX); char *path = NULL; if (*dev == '/') fd=open(dev, O_RDWR); else { path = malloc(strlen(dev) + prefixlen + 1); if (path != NULL) { snprintf(path, strlen(dev) + prefixlen + 1, "%s%s", TAP_PREFIX, dev); fd=open(path, O_RDWR); free(path); } else fd = -1; } if (fd < 0) { printlog(LOG_ERR,"Failed to open tap device %s: %s", (*dev == '/') ? dev : path, strerror(errno)); return(-1); } return fd; } #endif unsigned char bufin[BUFSIZE]; static void save_pidfile() { if(pidfile[0] != '/') strncat(pidfile_path, pidfile, PATH_MAX - strlen(pidfile_path) - 1); else strncpy(pidfile_path, pidfile, PATH_MAX - 1); int fd = open(pidfile_path, O_WRONLY | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); FILE *f; if(fd == -1) { printlog(LOG_ERR, "Error in pidfile creation: %s", strerror(errno)); exit(1); } if((f = fdopen(fd, "w")) == NULL) { printlog(LOG_ERR, "Error in FILE* construction: %s", strerror(errno)); exit(1); } if(fprintf(f, "%ld\n", (long int)getpid()) <= 0) { printlog(LOG_ERR, "Error in writing pidfile"); exit(1); } fclose(f); } static ssize_t vde_plug2tap_recv(void *opaque, void *buf, size_t count) { int *tapfdp=opaque; return write(*tapfdp,buf,count); } int main(int argc, char **argv) { static char *sockname=NULL; static char *tapname=NULL; int daemonize=0; int tapfd; register ssize_t nx; struct vde_open_args open_args={.port=0,.group=NULL,.mode=0700}; int c; static struct pollfd pollv[]={{0,POLLIN|POLLHUP}, {0,POLLIN|POLLHUP}, {0,POLLIN|POLLHUP}}; int npollv; prog=argv[0]; while (1) { int option_index = 0; static struct option long_options[] = { {"sock", 1, 0, 's'}, {"port", 1, 0, 'p'}, {"help",0,0,'h'}, {"mod",1,0,'m'}, {"group",1,0,'g'}, {"daemon",0,0,'d'}, {"pidfile", 1, 0, 'P'}, {0, 0, 0, 0} }; c = GETOPT_LONG (argc, argv, "hdP:p:s:m:g:", long_options, &option_index); if (c == -1) break; switch (c) { case 'p': open_args.port=atoi(optarg); if (open_args.port <= 0) usage(); //implies exit break; case 'h': usage(); //implies exit break; case 's': sockname=strdup(optarg); break; case 'm': sscanf(optarg,"%o",(unsigned int *)&(open_args.mode)); break; case 'g': open_args.group=strdup(optarg); break; case 'd': daemonize=1; break; case 'P': pidfile=strdup(optarg); break; default: usage(); //implies exit } } if (daemonize) { openlog(basename(prog), LOG_PID, 0); logok=1; syslog(LOG_INFO,"VDE_PLUG2TAP started"); } /* saves current path in pidfile_path, because otherwise with daemonize() we * forget it */ if(getcwd(pidfile_path, PATH_MAX-2) == NULL) { printlog(LOG_ERR, "getcwd: %s", strerror(errno)); exit(1); } strcat(pidfile_path, "/"); if (daemonize && daemon(0, 0)) { printlog(LOG_ERR,"daemon: %s",strerror(errno)); exit(1); } /* once here, we're sure we're the true process which will continue as a * server: save PID file if needed */ if(pidfile) save_pidfile(); if (optind < argc) tapname=argv[optind]; else usage(); // implies exit atexit(cleanup); setsighandlers(); tapfd=open_tap(tapname); if(tapfd<0) exit(1); pollv[0].fd=tapfd; if (sockname==NULL || strcmp(sockname,"-") != 0) { conn=vde_open(sockname,"vde_plug2tap:",&open_args); if (conn == NULL) { printlog(LOG_ERR,"vde_open %s: %s",sockname?sockname:"DEF_SWITCH",strerror(errno)); exit(1); } pollv[1].fd=vde_datafd(conn); pollv[2].fd=vde_ctlfd(conn); npollv=3; } else { vdestream=vdestream_open(&tapfd,STDOUT_FILENO,vde_plug2tap_recv,NULL); if (vdestream == NULL) exit(1); pollv[1].fd=STDIN_FILENO; npollv=2; } for(;;) { poll(pollv,3,-1); if ((pollv[0].revents | pollv[1].revents | pollv[2].revents) & POLLHUP || (npollv > 2 && pollv[2].revents & POLLIN)) break; 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you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA linux/lib/rbtree.c */ #include "rbtree.h" static void __rb_rotate_left(struct rb_node *node, struct rb_root *root) { struct rb_node *right = node->rb_right; struct rb_node *parent = rb_parent(node); if ((node->rb_right = right->rb_left)) rb_set_parent(right->rb_left, node); right->rb_left = node; rb_set_parent(right, parent); if (parent) { if (node == parent->rb_left) parent->rb_left = right; else parent->rb_right = right; } else root->rb_node = right; rb_set_parent(node, right); } static void __rb_rotate_right(struct rb_node *node, struct rb_root *root) { struct rb_node *left = node->rb_left; struct rb_node *parent = rb_parent(node); if ((node->rb_left = left->rb_right)) rb_set_parent(left->rb_right, node); left->rb_right = node; rb_set_parent(left, parent); if (parent) { if (node == parent->rb_right) parent->rb_right = left; else parent->rb_left = left; } else root->rb_node = left; rb_set_parent(node, left); } void rb_insert_color(struct rb_node *node, struct rb_root *root) { struct rb_node *parent, *gparent; while ((parent = rb_parent(node)) && rb_is_red(parent)) { gparent = rb_parent(parent); if (parent == gparent->rb_left) { { struct rb_node *uncle = gparent->rb_right; if (uncle && rb_is_red(uncle)) { rb_set_black(uncle); rb_set_black(parent); rb_set_red(gparent); node = gparent; continue; } } if (parent->rb_right == node) { struct rb_node *tmp; __rb_rotate_left(parent, root); tmp = parent; parent = node; node = tmp; } rb_set_black(parent); rb_set_red(gparent); __rb_rotate_right(gparent, root); } else { { struct rb_node *uncle = gparent->rb_left; if (uncle && rb_is_red(uncle)) { rb_set_black(uncle); rb_set_black(parent); rb_set_red(gparent); node = gparent; continue; } } if (parent->rb_left == node) { struct rb_node *tmp; __rb_rotate_right(parent, root); tmp = parent; parent = node; node = tmp; } rb_set_black(parent); rb_set_red(gparent); __rb_rotate_left(gparent, root); } } rb_set_black(root->rb_node); } static void __rb_erase_color(struct rb_node *node, struct rb_node *parent, struct rb_root *root) { struct rb_node *other; while ((!node || rb_is_black(node)) && node != root->rb_node) { if (parent->rb_left == node) { other = parent->rb_right; if (rb_is_red(other)) { rb_set_black(other); rb_set_red(parent); __rb_rotate_left(parent, root); other = parent->rb_right; } if ((!other->rb_left || rb_is_black(other->rb_left)) && (!other->rb_right || rb_is_black(other->rb_right))) { rb_set_red(other); node = parent; parent = rb_parent(node); } else { if (!other->rb_right || rb_is_black(other->rb_right)) { rb_set_black(other->rb_left); rb_set_red(other); __rb_rotate_right(other, root); other = parent->rb_right; } rb_set_color(other, rb_color(parent)); rb_set_black(parent); rb_set_black(other->rb_right); __rb_rotate_left(parent, root); node = root->rb_node; break; } } else { other = parent->rb_left; if (rb_is_red(other)) { rb_set_black(other); rb_set_red(parent); __rb_rotate_right(parent, root); other = parent->rb_left; } if ((!other->rb_left || rb_is_black(other->rb_left)) && (!other->rb_right || rb_is_black(other->rb_right))) { rb_set_red(other); node = parent; parent = rb_parent(node); } else { if (!other->rb_left || rb_is_black(other->rb_left)) { rb_set_black(other->rb_right); rb_set_red(other); __rb_rotate_left(other, root); other = parent->rb_left; } rb_set_color(other, rb_color(parent)); rb_set_black(parent); rb_set_black(other->rb_left); __rb_rotate_right(parent, root); node = root->rb_node; break; } } } if (node) rb_set_black(node); } void rb_erase(struct rb_node *node, struct rb_root *root) { struct rb_node *child, *parent; int color; if (!node->rb_left) child = node->rb_right; else if (!node->rb_right) child = node->rb_left; else { struct rb_node *old = node, *left; node = node->rb_right; while ((left = node->rb_left) != NULL) node = left; if (rb_parent(old)) { if (rb_parent(old)->rb_left == old) rb_parent(old)->rb_left = node; else rb_parent(old)->rb_right = node; } else root->rb_node = node; child = node->rb_right; parent = rb_parent(node); color = rb_color(node); if (parent == old) { parent = node; } else { if (child) rb_set_parent(child, parent); parent->rb_left = child; node->rb_right = old->rb_right; rb_set_parent(old->rb_right, node); } node->rb_parent_color = old->rb_parent_color; node->rb_left = old->rb_left; rb_set_parent(old->rb_left, node); goto color; } parent = rb_parent(node); color = rb_color(node); if (child) rb_set_parent(child, parent); if (parent) { if (parent->rb_left == node) parent->rb_left = child; else parent->rb_right = child; } else root->rb_node = child; color: if (color == RB_BLACK) __rb_erase_color(child, parent, root); } static void rb_augment_path(struct rb_node *node, rb_augment_f func, void *data) { struct rb_node *parent; up: func(node, data); parent = rb_parent(node); if (!parent) return; if (node == parent->rb_left && parent->rb_right) func(parent->rb_right, data); else if (parent->rb_left) func(parent->rb_left, data); node = parent; goto up; } /* * after inserting @node into the tree, update the tree to account for * both the new entry and any damage done by rebalance */ void rb_augment_insert(struct rb_node *node, rb_augment_f func, void *data) { if (node->rb_left) node = node->rb_left; else if (node->rb_right) node = node->rb_right; rb_augment_path(node, func, data); } /* * before removing the node, find the deepest node on the rebalance path * that will still be there after @node gets removed */ struct rb_node *rb_augment_erase_begin(struct rb_node *node) { struct rb_node *deepest; if (!node->rb_right && !node->rb_left) deepest = rb_parent(node); else if (!node->rb_right) deepest = node->rb_left; else if (!node->rb_left) deepest = node->rb_right; else { deepest = rb_next(node); if (deepest->rb_right) deepest = deepest->rb_right; else if (rb_parent(deepest) != node) deepest = rb_parent(deepest); } return deepest; } /* * after removal, update the tree to account for the removed entry * and any rebalance damage. */ void rb_augment_erase_end(struct rb_node *node, rb_augment_f func, void *data) { if (node) rb_augment_path(node, func, data); } /* * This function returns the first node (in sort order) of the tree. */ struct rb_node *rb_first(const struct rb_root *root) { struct rb_node *n; n = root->rb_node; if (!n) return NULL; while (n->rb_left) n = n->rb_left; return n; } struct rb_node *rb_last(const struct rb_root *root) { struct rb_node *n; n = root->rb_node; if (!n) return NULL; while (n->rb_right) n = n->rb_right; return n; } struct rb_node *rb_next(const struct rb_node *node) { struct rb_node *parent; if (rb_parent(node) == node) return NULL; /* If we have a right-hand child, go down and then left as far as we can. */ if (node->rb_right) { node = node->rb_right; while (node->rb_left) node=node->rb_left; return (struct rb_node *)node; } /* No right-hand children. Everything down and left is smaller than us, so any 'next' node must be in the general direction of our parent. Go up the tree; any time the ancestor is a right-hand child of its parent, keep going up. First time it's a left-hand child of its parent, said parent is our 'next' node. */ while ((parent = rb_parent(node)) && node == parent->rb_right) node = parent; return parent; } struct rb_node *rb_prev(const struct rb_node *node) { struct rb_node *parent; if (rb_parent(node) == node) return NULL; /* If we have a left-hand child, go down and then right as far as we can. */ if (node->rb_left) { node = node->rb_left; while (node->rb_right) node=node->rb_right; return (struct rb_node *)node; } /* No left-hand children. Go up till we find an ancestor which is a right-hand child of its parent */ while ((parent = rb_parent(node)) && node == parent->rb_left) node = parent; return parent; } void rb_replace_node(struct rb_node *victim, struct rb_node *new, struct rb_root *root) { struct rb_node *parent = rb_parent(victim); /* Set the surrounding nodes to point to the replacement */ if (parent) { if (victim == parent->rb_left) parent->rb_left = new; else parent->rb_right = new; } else { root->rb_node = new; } if (victim->rb_left) rb_set_parent(victim->rb_left, new); if (victim->rb_right) rb_set_parent(victim->rb_right, new); /* Copy the pointers/colour from the victim to the replacement */ *new = *victim; } vde2-2.3.2+r586/src/vde_router/rbtree.h0000644000000000000000000001323113614540472014353 0ustar /* Red Black Trees (C) 1999 Andrea Arcangeli This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA linux/include/linux/rbtree.h To use rbtrees you'll have to implement your own insert and search cores. This will avoid us to use callbacks and to drop drammatically performances. I know it's not the cleaner way, but in C (not in C++) to get performances and genericity... Some example of insert and search follows here. The search is a plain normal search over an ordered tree. The insert instead must be implemented in two steps: First, the code must insert the element in order as a red leaf in the tree, and then the support library function rb_insert_color() must be called. Such function will do the not trivial work to rebalance the rbtree, if necessary. ----------------------------------------------------------------------- static inline struct page * rb_search_page_cache(struct inode * inode, unsigned long offset) { struct rb_node * n = inode->i_rb_page_cache.rb_node; struct page * page; while (n) { page = rb_entry(n, struct page, rb_page_cache); if (offset < page->offset) n = n->rb_left; else if (offset > page->offset) n = n->rb_right; else return page; } return NULL; } static inline struct page * __rb_insert_page_cache(struct inode * inode, unsigned long offset, struct rb_node * node) { struct rb_node ** p = &inode->i_rb_page_cache.rb_node; struct rb_node * parent = NULL; struct page * page; while (*p) { parent = *p; page = rb_entry(parent, struct page, rb_page_cache); if (offset < page->offset) p = &(*p)->rb_left; else if (offset > page->offset) p = &(*p)->rb_right; else return page; } rb_link_node(node, parent, p); return NULL; } static inline struct page * rb_insert_page_cache(struct inode * inode, unsigned long offset, struct rb_node * node) { struct page * ret; if ((ret = __rb_insert_page_cache(inode, offset, node))) goto out; rb_insert_color(node, &inode->i_rb_page_cache); out: return ret; } ----------------------------------------------------------------------- */ #ifndef _RBTREE_H #define _RBTREE_H #include /** * container_of - cast a member of a structure out to the containing structure * @ptr: the pointer to the member. * @type: the type of the container struct this is embedded in. * @member: the name of the member within the struct. * */ #define container_of(ptr, type, member) ({ \ const typeof( ((type *)0)->member ) *__mptr = (ptr); \ (type *)( (char *)__mptr - offsetof(type,member) );}) struct rb_node { unsigned long rb_parent_color; #define RB_RED 0 #define RB_BLACK 1 struct rb_node *rb_right; struct rb_node *rb_left; } __attribute__((aligned(sizeof(long)))); /* The alignment might seem pointless, but allegedly CRIS needs it */ struct rb_root { struct rb_node *rb_node; }; #define rb_parent(r) ((struct rb_node *)((r)->rb_parent_color & ~3)) #define rb_color(r) ((r)->rb_parent_color & 1) #define rb_is_red(r) (!rb_color(r)) #define rb_is_black(r) rb_color(r) #define rb_set_red(r) do { (r)->rb_parent_color &= ~1; } while (0) #define rb_set_black(r) do { (r)->rb_parent_color |= 1; } while (0) static inline void rb_set_parent(struct rb_node *rb, struct rb_node *p) { rb->rb_parent_color = (rb->rb_parent_color & 3) | (unsigned long)p; } static inline void rb_set_color(struct rb_node *rb, int color) { rb->rb_parent_color = (rb->rb_parent_color & ~1) | color; } #define RB_ROOT (struct rb_root) { NULL, } #define rb_entry(ptr, type, member) container_of(ptr, type, member) #define RB_EMPTY_ROOT(root) ((root)->rb_node == NULL) #define RB_EMPTY_NODE(node) (rb_parent(node) == node) #define RB_CLEAR_NODE(node) (rb_set_parent(node, node)) static inline void rb_init_node(struct rb_node *rb) { rb->rb_parent_color = 0; rb->rb_right = NULL; rb->rb_left = NULL; RB_CLEAR_NODE(rb); } extern void rb_insert_color(struct rb_node *, struct rb_root *); extern void rb_erase(struct rb_node *, struct rb_root *); typedef void (*rb_augment_f)(struct rb_node *node, void *data); extern void rb_augment_insert(struct rb_node *node, rb_augment_f func, void *data); extern struct rb_node *rb_augment_erase_begin(struct rb_node *node); extern void rb_augment_erase_end(struct rb_node *node, rb_augment_f func, void *data); /* Find logical next and previous nodes in a tree */ extern struct rb_node *rb_next(const struct rb_node *); extern struct rb_node *rb_prev(const struct rb_node *); extern struct rb_node *rb_first(const struct rb_root *); extern struct rb_node *rb_last(const struct rb_root *); /* Fast replacement of a single node without remove/rebalance/add/rebalance */ extern void rb_replace_node(struct rb_node *victim, struct rb_node *new, struct rb_root *root); static inline void rb_link_node(struct rb_node * node, struct rb_node * parent, struct rb_node ** rb_link) { node->rb_parent_color = (unsigned long )parent; node->rb_left = node->rb_right = NULL; *rb_link = node; } #endif /* _RBTREE_H */ vde2-2.3.2+r586/src/vde_router/vde_headers.h0000644000000000000000000000375413614540472015352 0ustar /* VDE_ROUTER (C) 2007:2011 Daniele Lacamera * * Licensed under the GPLv2 * */ #ifndef __VDE_BUFF_H #define __VDE_BUFF_H #include #include #include #include #include #include #define PTYPE_IP 0x0800 #define PTYPE_ARP 0x0806 #define PROTO_ICMP 1 #define PROTO_TCP 6 #define PROTO_UDP 17 #if defined(VDE_FREEBSD) || defined(VDE_DARWIN) struct iphdr { #if BYTE_ORDER == LITTLE_ENDIAN unsigned int ihl:4; unsigned int version:4; #elif BYTE_ORDER == BIG_ENDIAN unsigned int version:4; unsigned int ihl:4; #endif u_int8_t tos; u_int16_t tot_len; u_int16_t id; u_int16_t frag_off; u_int8_t ttl; u_int8_t protocol; u_int16_t check; u_int32_t saddr; u_int32_t daddr; /*The options start here. */ }; #endif struct __attribute__ ((__packed__)) vde_ethernet_header { uint8_t dst[6]; uint8_t src[6]; uint16_t buftype; }; /* Arp */ #define ARP_REQUEST 1 #define ARP_REPLY 2 #define ETHERNET_ADDRESS_SIZE 6 #define IP_ADDRESS_SIZE 4 #define ETH_BCAST (unsigned char *)"\xFF\xFF\xFF\xFF\xFF\xFF" #define HTYPE_ETH 1 struct __attribute__ ((__packed__)) vde_arp_header { uint16_t htype; uint16_t ptype; uint8_t hsize; uint8_t psize; uint16_t opcode; uint8_t s_mac[6]; uint32_t s_addr; uint8_t d_mac[6]; uint32_t d_addr; }; #define ethhead(vb) ((struct vde_ethernet_header *)(vb->data)) #define is_arp(vb) ( ((ethhead(vb))->buftype) == PTYPE_ARP ) #define is_ip(vb) ( ((ethhead(vb))->buftype) == PTYPE_IP ) #define is_bcast(vb) ( strncmp((ethhead(vb))->dst, ETH_BCAST) == 0) #define check_destination(vb,mac) ( strncmp((ethhead(vb))->dst, mac) == 0) #define iphead(vb) ((struct iphdr *)(vb->data + 14)) #define udp_pseudohead(vb) ((uint8_t *)(vb->data + 14 + sizeof(struct iphdr) - (2 * sizeof(uint32_t)))) #define footprint(vb) ((uint8_t *)(vb->data + 14)) #define arphead(vb) ((struct vde_arp_header *)(vb->data + 14)) #define payload(vb) ((uint8_t *)(vb->data + 14 + sizeof(struct iphdr))) #endif vde2-2.3.2+r586/src/vde_router/vde_router.c0000644000000000000000000012355113614540472015250 0ustar /* VDE_ROUTER (C) 2007:2011 Daniele Lacamera * * Licensed under the GPLv2 * * Description: this module is just a frontend for command line, * configuration, etc. * * For the router engine see vder_datalink.c */ #include "vder_olsr.h" #include "vder_datalink.h" #include "vde_router.h" #include "vder_queue.h" #include "vder_packet.h" #include "vder_dhcp.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static char *mgmt; static int mgmtmode=0700; static char *progname; #define MAXCMD 128 #define match_input(c, i) ((strncmp(c, i, strlen(c)) == 0) && (strlen(c) == strlen(i))) extern struct vde_router Router; static char header[]="\nVDE Router \n(C) D.Lacamera 2011 - GPLv2\n"; static char prompt[]="\nVDE-Router$ "; static void printoutc(int fd, const char *format, ...) { va_list arg; char outbuf[MAXCMD+1]; va_start (arg, format); vsnprintf(outbuf,MAXCMD,format,arg); strcat(outbuf,"\n"); write(fd,outbuf,strlen(outbuf)); } static int help(int fd,char *s) { char *nextargs = NULL, *arg; arg = strtok_r(s, " ", &nextargs); if(!arg) { /* No arguments */ printoutc(fd, "COMMAND HELP"); printoutc(fd, "------------ ------------"); printoutc(fd, "help print a summary of mgmt commands. Use \"help \" for details."); printoutc(fd, "connect create a new interface connect it to vde socket"); printoutc(fd, "ifconfig show/change interface addresses configuration"); printoutc(fd, "dhcpd start/stop dhcp server on a specific interface"); printoutc(fd, "olsr start/stop OLSR"); printoutc(fd, "route show/change routing table"); printoutc(fd, "arp show neighbors ip/mac associations"); printoutc(fd, "queue show/change outgoing frames queues"); printoutc(fd, "ipfilter show/change ip filtering configuration"); printoutc(fd, "stats print interface statistics"); printoutc(fd, "logout close current management session"); printoutc(fd, "shutdown turn the router off"); return 0; } else if (match_input("help",arg)) { printoutc(fd, "help print a summary of mgmt commands."); printoutc(fd, "Use \"help \" for details."); return 0; } else if (match_input("connect",arg)) { printoutc(fd, "Syntax:"); printoutc(fd, "\tconnect []"); printoutc(fd, "Connects to a vde socket at path by creating a new virtual ethernet device."); printoutc(fd, "If no is provided, it will be assigned automatically."); printoutc(fd, ""); printoutc(fd, "Examples:"); printoutc(fd, "connect /var/run/vde.ctl"); printoutc(fd, "connect /var/run/my_sock.ctl 00:11:22:33:44:55"); return 0; } else if (match_input("ifconfig",arg)) { printoutc(fd, "Syntax:"); printoutc(fd, "\tifconfig [ [
]]"); printoutc(fd, "--or--"); printoutc(fd, "\tifconfig add dhcp"); printoutc(fd, "Show/store IP address configuration. If no is provided, the default action"); printoutc(fd, "will be to display the current configuration for all the existing ethernet devices."); printoutc(fd, " can be \"add\" or \"del\". If \"add\" is specified, all other arguments are mandatory."); printoutc(fd, "If \"del\" is specified, only
will be used to search for an existing entry."); printoutc(fd, "Each virtual ethernet can be associated to more than one IP addresses. A static route for"); printoutc(fd, "the resulting neighborhood will be added."); printoutc(fd, "Dhcp option allows to ask for a dynamic IP address."); printoutc(fd, ""); printoutc(fd, "Examples:"); printoutc(fd, "ifconfig"); printoutc(fd, "ifconfig eth0"); printoutc(fd, "ifconfig eth1 add 10.0.0.1 255.0.0.0"); printoutc(fd, "ifconfig eth1 add dhcp"); printoutc(fd, "ifconfig eth1 del 10.0.0.1"); return 0; } else if (match_input("dhcpd",arg)) { printoutc(fd, "Syntax:"); printoutc(fd, "\tdhcpd start "); printoutc(fd, "--or--"); printoutc(fd, "\tdhcpd stop "); printoutc(fd, "Start/stop DHCP server on a specific interface. Devices/machines connected to the router"); printoutc(fd, "will be provided with a dynamic IP address on request."); printoutc(fd, ""); printoutc(fd, "Examples:"); printoutc(fd, "dhcpd start eth0 10.0.0.101 10.0.0.120"); printoutc(fd, "dhcpd stop eth0"); return 0; } else if (match_input("olsr",arg)) { printoutc(fd, "Syntax:"); printoutc(fd, "\tolsr start [ [ [<...>]]]"); printoutc(fd, "--or--"); printoutc(fd, "\tolsr stop"); printoutc(fd, "Start/stop olsr service on specified interface(s). Devices/machines connected to the router"); printoutc(fd, "will be notified about routing via OLSR messages"); printoutc(fd, ""); printoutc(fd, "Examples:"); printoutc(fd, "olsr start eth0 eth1"); printoutc(fd, "olsr stop"); return 0; } else if (match_input("route",arg)) { printoutc(fd, "Syntax:"); printoutc(fd, "\troute [
[gw ] [via ] [metric ]]"); printoutc(fd, "--or--"); printoutc(fd, "\troute default [address]"); printoutc(fd, "Show/store routing table information. If no is given, the default behavior is to"); printoutc(fd, "show the current (full) routing table."); printoutc(fd, " can be \"add\" or \"del\". If \"add\" or \"del\" is specified, address and netmask are"); printoutc(fd, "mandatory, unless the \"default\" keyword is present. \"default\" is used to manage default "); printoutc(fd, "gateway entry."); printoutc(fd, ""); printoutc(fd, "Examples:"); printoutc(fd, "route"); printoutc(fd, "route add default 10.0.0.254"); printoutc(fd, "route del default"); printoutc(fd, "route add 192.168.0.0 255.255.0.0 gw 10.0.0.253 metric 2"); printoutc(fd, "route add 192.168.1.0 255.255.255.0 via eth2"); return 0; } else if (match_input("queue",arg)) { printoutc(fd, "Syntax:"); printoutc(fd, "\tqueue [: ]"); printoutc(fd, ""); printoutc(fd, "Show/store queuing policy information. If no is specified,"); printoutc(fd, "the current queue policy and information are displayed, otherwise you need"); printoutc(fd, "to specify the options for the selected queue."); printoutc(fd, ""); printoutc(fd, "Selecting the queue consists in naming the interface and the associated queue."); printoutc(fd, "Every interface has one \":output\" queue and 32 priority queues named from"); printoutc(fd, "\":prio0\" to \":prio31\"."); printoutc(fd, ""); printoutc(fd, "The following policies are available:"); printoutc(fd, ""); printoutc(fd, "- 'unlimited' (default)."); printoutc(fd, "\tthis policy requires no options. It is the default policy, and it will allow"); printoutc(fd, "\tto enqueue virtually an unlimited amount of data before it is dequeued."); printoutc(fd, ""); printoutc(fd, "- 'fifo' (usage: fifo limit )"); printoutc(fd, "\tthis policy will allow at most bytes to be enqueued, and a tail-drop"); printoutc(fd, "\twill be adopted to all the exceeding frames when the queue is full."); printoutc(fd, ""); printoutc(fd, ""); printoutc(fd, "- 'red' (usage: red min max probability

limit )"); printoutc(fd, "\tthis is the \"Random Early Detection\" queuing policy. It consists of setting"); printoutc(fd, "\ta dynamic limit to the queue during the enqueue operation. The probability"); printoutc(fd, "\tof dropping packets during enqueue will be 0 under bytes, then it will "); printoutc(fd, "\tincrease linearly to reach

between and . Between and "); printoutc(fd, "\tit will be

. Over the physical limit , all packets will be dropped (P=1)."); printoutc(fd, ""); printoutc(fd, "- 'token' (usage: tbf limit bitrate "); printoutc(fd, "\tThis is the \"Token Bucket\" queuing policy, allowing traffic to be dequeued at"); printoutc(fd, "\tthe specified . Enqueuing will be limited to bytes, so if the"); printoutc(fd, "\tqueue is full all the exceeding frames will be dropped."); printoutc(fd, "Examples:"); printoutc(fd, "queue"); printoutc(fd, "queue eth0:output fifo limit 40000"); printoutc(fd, "queue eth0:prio3 red min 80000 max 160000 probability 0.1 limit 300000"); printoutc(fd, "queue eth0:prio15 unlimited"); return 0; } else if (match_input("ipfilter",arg)) { printoutc(fd, "Syntax:"); printoutc(fd, "\tipfilter [ [src ] [from

]"); printoutc(fd, " [to
] [proto ] [tos ]"); printoutc(fd, " [sport ] [dport ] []]"); printoutc(fd, "Show/store IP filtering information. If no is specified, "); printoutc(fd, "the current ip filtering table is shown, else can be \"add\" or \"del\""); printoutc(fd, "If \"add\" is specified, no other argument is mandatory but the ."); printoutc(fd, " can be one of \"accept\" \"drop\" \"reject\" or \"prio\". Accept is the"); printoutc(fd, "default behavior. \"reject\" is like \"drop\" except that it will send a icmp packet filtered "); printoutc(fd, "towards the source every time the rule is hit. \"prio\" changes the priority of the "); printoutc(fd, "packet when it gets inserted to the output queue system, allowing IP-based QoS."); printoutc(fd, "When \"prio\" is selected as , the argument is mandatory."); printoutc(fd, "If is specified as , all the arguments must match the previously "); printoutc(fd, "inserted rule, except the and the that get discarded."); printoutc(fd, ""); printoutc(fd, "Please note that the rules will be processed on the inverse order as they were "); printoutc(fd, "inserted, so to drop all packets from eth0 except those coming from 10.0.0.3, insert"); printoutc(fd, "the rules in the followinf order (generic to specific):"); printoutc(fd, ""); printoutc(fd, "ipfilter add src eth0 drop"); printoutc(fd, "ipfilter add src eth0 from 10.0.0.3 255.255.255.255 accept"); printoutc(fd, ""); printoutc(fd, "other Examples:"); printoutc(fd, ""); printoutc(fd, "ipfilter"); printoutc(fd, "ipfilter add src eth1 tos 2 to 172.16.0.0 255.255.0.0 prio 7"); printoutc(fd, "ipfilter del src eth1 tos 2 to 172.16.0.0 255.255.0.0"); return 0; } else if (match_input("arp",arg)) { printoutc(fd, "Syntax:"); printoutc(fd, "\tarp"); return 0; } else if (match_input("stats",arg)) { printoutc(fd, "Syntax:"); printoutc(fd, "\tstats"); return 0; } else if (match_input("logout",arg)) { printoutc(fd, "Syntax:"); printoutc(fd, "\tlogout"); return 0; } else if (match_input("shutdown",arg)) { printoutc(fd, "Syntax:"); printoutc(fd, "\tshutdown"); return 0; } else { printoutc(fd, "No help available for %s", arg); } return ENOENT; } static int logout(int fd,char *s) { return EPIPE; } static int doshutdown(int fd,char *s) { exit(0); } static int not_understood(int fd, char *s) { printoutc(fd, "parameter \"%s\" not understood. Try \"help\"", s); return EINVAL; } static void show_ifconfig(int fd, struct vder_iface *iface) { struct vder_ip4address *addr; printoutc(fd, "Interface: eth%d mac:%02x:%02x:%02x:%02x:%02x:%02x sock:%s", iface->interface_id, iface->macaddr[0],iface->macaddr[1],iface->macaddr[2], iface->macaddr[3],iface->macaddr[4],iface->macaddr[5], iface->vde_sock ); addr = iface->address_list; while(addr) { char *txt_address, *txt_netmask; txt_address = strdup(vder_ntoa(addr->address)); txt_netmask= strdup(vder_ntoa(addr->netmask)); if (addr->address == (uint32_t)(-1)) printoutc(fd, "\tAcquiring one IP address via DHCP..."); else printoutc(fd, "\taddress: %s netmask: %s", txt_address, txt_netmask); free(txt_address); free(txt_netmask); addr = addr->next; } } enum command_action_enum { ACTION_DELETE = 0, ACTION_ADD, ACTION_ADD_DEFAULT, ACTION_DEL_DEFAULT }; static inline int is_unicast(uint32_t addr) { uint32_t h_addr = ntohl(addr); if ( (h_addr == 0) ||(h_addr >= 0xe0000000) ) return 0; return 1; } static inline int is_netmask(uint32_t addr) { int i; uint32_t h_netmask = ntohl(addr), valid_value = 0; for (i = 31; i >= 0; i--) { valid_value += (1 << i); if (h_netmask == valid_value) return 1; } return 0; } static inline int not_a_number(char *p) { if (!p) return 1; if ((p[0] < '0') || (p[0] > '9')) return 1; return 0; } static struct vder_iface *select_interface(char *arg) { struct vder_iface *iface, *selected = NULL;; int iface_id; if (strncmp(arg,"eth",3)) { return NULL; } if (not_a_number(arg + 3)) return NULL; iface_id = strtol(arg + 3, NULL, 10); iface = Router.iflist; while(iface) { if (iface_id == iface->interface_id) { selected = iface; break; } iface = iface->next; } return selected; } static int ifconfig(int fd,char *s) { char *nextargs = NULL, *arg; struct vder_iface *iface; arg = strtok_r(s, " ", &nextargs); if(!arg) { /* No arguments */ iface = Router.iflist; while(iface) { show_ifconfig(fd, iface); printoutc(fd, ""); iface = iface->next; } return 0; } else { struct vder_iface *selected; struct in_addr temp_address, temp_netmask; enum command_action_enum action = -1; selected = select_interface(arg); if (!selected) { printoutc(fd, "Interface %s not found.", arg); return ENOENT; } arg = strtok_r(NULL, " ", &nextargs); if (!arg) { show_ifconfig(fd, selected); return 0; } if ((!arg) || (strlen(arg) != 3) || ((strncmp(arg, "add", 3) != 0) && (strncmp(arg, "del", 3) != 0))) { printoutc(fd, "Invalid action \"%s\".", arg); return EINVAL; } if (strncmp(arg, "del", 3) == 0) action = ACTION_DELETE; else action = ACTION_ADD; arg = strtok_r(NULL, " ", &nextargs); if (!arg) { not_understood(fd, ""); return EINVAL; } if (match_input("dhcp", arg)) { temp_address.s_addr = (uint32_t)(-1); pthread_create(&selected->dhcpclient, 0, dhcp_client_loop, selected); } else if (!inet_aton(arg, &temp_address) || !is_unicast(temp_address.s_addr)) { printoutc(fd, "Invalid address \"%s\"", arg); return EINVAL; } arg = strtok_r(NULL, " ", &nextargs); if (!arg && (action == ACTION_ADD) && (temp_address.s_addr != (uint32_t)(-1))) { printoutc(fd, "Error: parameter 'netmask' required."); return EINVAL; } if ((action == ACTION_ADD) && (temp_address.s_addr != (uint32_t)(-1)) && (!inet_aton(arg, &temp_netmask) || !is_netmask(temp_netmask.s_addr))) { printoutc(fd, "Invalid netmask \"%s\"", arg); return EINVAL; } if (action == ACTION_ADD) { if (vder_iface_address_add(selected, temp_address.s_addr, temp_netmask.s_addr) != 0) return errno; } else { if (vder_iface_address_del(selected, temp_address.s_addr) != 0) return errno; } } return 0; } static void show_route(int fd, struct vder_route *ro) { char *dest = strdup(vder_ntoa(ro->dest_addr)); char *netmask = strdup(vder_ntoa(ro->netmask)); char *gateway = strdup(vder_ntoa(ro->gateway)); if (ro->iface) printoutc(fd, "destination %s netmask %s gw %s via eth%d metric %d %s", dest, netmask, gateway, ro->iface->interface_id, ro->metric, ro->netmask==0?"default":""); else printoutc(fd, "destination %s netmask %s gw %s metric %d %s", dest, netmask, gateway, ro->metric, ro->netmask==0?"default":""); free(dest); free(netmask); free(gateway); } static int route(int fd,char *s) { char *nextargs = NULL, *arg; struct vder_route *ro; struct vder_iface *selected = NULL; struct in_addr temp_address, temp_netmask, temp_gateway; int metric = 1; enum command_action_enum action = -1; arg = strtok_r(s, " ", &nextargs); if(!arg) { /* No arguments */ ro = Router.routing_table; while(ro) { show_route(fd, ro); ro = ro->next; } return 0; } if ((!arg) || (strlen(arg) != 3) || ((strncmp(arg, "add", 3) != 0) && (strncmp(arg, "del", 3) != 0))) { printoutc(fd, "Invalid action \"%s\".", arg); return EINVAL; } if (strncmp(arg, "del", 3) == 0) action = ACTION_DELETE; else action = ACTION_ADD; arg = strtok_r(NULL, " ", &nextargs); if (!arg) { not_understood(fd, ""); return EINVAL; } if (match_input("default", arg)) { if (action == ACTION_ADD) action = ACTION_ADD_DEFAULT; if (action == ACTION_DELETE) { if (vder_route_del(0, 0, 1)) return errno; else return 0; } arg = strtok_r(NULL, " ", &nextargs); } if (!inet_aton(arg, &temp_address) || !is_unicast(temp_address.s_addr)) { printoutc(fd, "Invalid address \"%s\"", arg); return EINVAL; } if (action == ACTION_ADD_DEFAULT) { if (vder_route_add(0, 0, temp_address.s_addr, 1, NULL)) return errno; else return 0; } arg = strtok_r(NULL, " ", &nextargs); if (!arg) { printoutc(fd, "Error: parameter 'netmask' required."); return EINVAL; } if (!inet_aton(arg, &temp_netmask) || !is_netmask(temp_netmask.s_addr)) { printoutc(fd, "Invalid netmask \"%s\"", arg); return EINVAL; } arg = strtok_r(NULL, " ", &nextargs); while(arg) { if (match_input("via", arg)) { arg = strtok_r(NULL, " ", &nextargs); selected = select_interface(arg); if (!selected) return EINVAL; } else if (match_input("gw", arg)) { arg = strtok_r(NULL, " ", &nextargs); if (!inet_aton(arg, &temp_gateway) || !is_unicast(temp_gateway.s_addr)) { printoutc(fd, "Invalid gateway \"%s\"", arg); return EINVAL; } } else if (match_input("metric", arg)) { arg = strtok_r(NULL, " ", &nextargs); metric = atoi(arg); if (metric < 1) { printoutc(fd, "Invalid metric \"%s\"", arg); return EINVAL; } } else { return EINVAL; } arg = strtok_r(NULL, " ", &nextargs); } if ((action == ACTION_DELETE) && (vder_route_del(temp_address.s_addr, temp_netmask.s_addr, metric))) { return errno; } else if ((action == ACTION_ADD) && (vder_route_add(temp_address.s_addr, temp_netmask.s_addr, temp_gateway.s_addr, metric, selected))) { return errno; } return 0; } const char action_name[4][30] = {"accept", "prio", "reject", "drop" }; static void proto_name(uint8_t proto, char *name) { switch(proto) { case IPPROTO_ICMP: sprintf(name, "icmp"); break; case IPPROTO_IGMP: sprintf(name, "igmp"); break; case IPPROTO_TCP: sprintf(name, "tcp"); break; case IPPROTO_UDP: sprintf(name, "udp"); break; default: sprintf(name, "unknown(%d)", ntohs(proto)); } } static void show_filter(int fd, struct vder_filter *filter) { char *saddr_address = strdup(vder_ntoa(filter->saddr.address)); char *daddr_address = strdup(vder_ntoa(filter->daddr.address)); char *saddr_netmask = strdup(vder_ntoa(filter->saddr.netmask)); char *daddr_netmask = strdup(vder_ntoa(filter->daddr.netmask)); char source[10] = "any"; char tos[10] = "any"; char proto[30] = "any"; if (filter->src_iface){ snprintf(source, 10, "eth%d", filter->src_iface->interface_id); } if (filter->tos >= 0) { snprintf(tos, 10, "tos %d", filter->tos); } if (filter->proto > 0) { proto_name(filter->proto, proto); } printoutc(fd, "[iface: %s] %s:%d/%s -> %s:%d/%s proto %s tos %s verdict: %s Stats: %d packets, %d bytes", source, saddr_address, ntohs(filter->sport), saddr_netmask, daddr_address, ntohs(filter->dport), daddr_netmask, proto, tos, action_name[filter->action], filter->stats_packets, filter->stats_bytes); free(saddr_address); free(saddr_netmask); free(daddr_address); free(daddr_netmask); } static int filter(int fd,char *s) { struct vder_filter *cur = Router.filtering_table; int action; struct vder_iface *vif = NULL; uint8_t proto = 0; struct in_addr s_addr = {0}, s_nm = {0}, d_addr = {0}, d_nm = {0}; uint16_t sport = 0, dport = 0; int tos = -1; uint8_t priority = PRIO_BESTEFFORT; enum filter_action filter_action = filter_invalid; char *nextargs = NULL, *arg; arg = strtok_r(s, " ", &nextargs); if(!arg) { /* No arguments */ while(cur) { show_filter(fd, cur); cur = cur->next; } return 0; } if ((!arg) || (strlen(arg) != 3) || ((strncmp(arg, "add", 3) != 0) && (strncmp(arg, "del", 3) != 0))) { printoutc(fd, "Invalid action \"%s\".", arg); return EINVAL; } if (strncmp(arg, "del", 3) == 0) action = ACTION_DELETE; else action = ACTION_ADD; arg = strtok_r(NULL, " ", &nextargs); if (!arg) { not_understood(fd, ""); return EINVAL; } while(arg) { if (match_input("src", arg)) { arg = strtok_r(NULL, " ", &nextargs); if (!arg) return EINVAL; vif = select_interface(arg); } else if(match_input("proto", arg)) { arg = strtok_r(NULL, " ", &nextargs); if (!arg) return EINVAL; if (not_a_number(arg)) { if (match_input("tcp", arg)) proto = IPPROTO_TCP; else if (match_input("udp", arg)) proto = IPPROTO_UDP; else if (match_input("igmp", arg)) proto = IPPROTO_IGMP; else if (match_input("icmp", arg)) proto = IPPROTO_ICMP; else { printoutc(fd, "Invalid protocol \"%s\"", arg); return EINVAL; } } else { proto = atoi(arg); if (proto <= 0) { printoutc(fd, "Invalid protocol \"%s\"", arg); return EINVAL; } } } else if (match_input("from",arg)) { arg = strtok_r(NULL, " ", &nextargs); if (!arg) return EINVAL; if (!inet_aton(arg, &s_addr) || !is_unicast(s_addr.s_addr)) { printoutc(fd, "Invalid from address \"%s\"", arg); return EINVAL; } arg = strtok_r(NULL, " ", &nextargs); if (!arg) { printoutc(fd, "from address: netmask is required"); return EINVAL; } if (!inet_aton(arg, &s_nm) || !is_netmask(s_nm.s_addr)) { printoutc(fd, "Invalid netmask \"%s\"", arg); return EINVAL; } } else if (match_input("to",arg)) { arg = strtok_r(NULL, " ", &nextargs); if (!arg) return EINVAL; if (!inet_aton(arg, &d_addr) || !is_unicast(d_addr.s_addr)) { printoutc(fd, "Invalid from address \"%s\"", arg); return EINVAL; } arg = strtok_r(NULL, " ", &nextargs); if (!arg) { printoutc(fd, "from address: netmask is required"); return EINVAL; } if (!inet_aton(arg, &d_nm) || !is_netmask(d_nm.s_addr)) { printoutc(fd, "Invalid netmask \"%s\"", arg); return EINVAL; } } else if (match_input("tos",arg)) { arg = strtok_r(NULL, " ", &nextargs); if (!arg) return EINVAL; tos = atoi(arg); if ((tos < 0) || not_a_number(arg)) { printoutc(fd, "Invalid tos %s", arg); return EINVAL; } } else if (match_input("sport",arg)) { arg = strtok_r(NULL, " ", &nextargs); if (!arg) return EINVAL; if ((sport < 0) || not_a_number(arg)) { printoutc(fd, "Invalid sport %s", arg); return EINVAL; } sport = htons(atoi(arg)); } else if (match_input("dport",arg)) { arg = strtok_r(NULL, " ", &nextargs); if (!arg) return EINVAL; if (not_a_number(arg)) { printoutc(fd, "Invalid dport %s", arg); return EINVAL; } dport = htons(atoi(arg)); } else if (match_input("prio",arg)) { if (filter_action != filter_invalid) { printoutc(fd, "Invalid double action for filter"); } arg = strtok_r(NULL, " ", &nextargs); if (!arg) return EINVAL; priority = atoi(arg); if ((priority < 0) || (priority >= PRIO_NUM) || not_a_number(arg)) { printoutc(fd, "Invalid priority %s", arg); return EINVAL; } filter_action = filter_priority; } else if (match_input("accept",arg)) { if (filter_action != filter_invalid) { printoutc(fd, "Invalid double action for filter"); } filter_action = filter_accept; } else if (match_input("reject",arg)) { if (filter_action != filter_invalid) { printoutc(fd, "Invalid double action for filter"); } filter_action = filter_reject; } else if (match_input("drop",arg)) { if (filter_action != filter_invalid) { printoutc(fd, "Invalid double action for filter"); } filter_action = filter_drop; } arg = strtok_r(NULL, " ", &nextargs); } if ((filter_action == filter_invalid) && (action == ACTION_ADD)) { printoutc(fd, "Error: an action is required for filter"); return EINVAL; } if (action == ACTION_ADD) { if (vder_filter_add(vif, proto, s_addr.s_addr, s_nm.s_addr, d_addr.s_addr, d_nm.s_addr, tos, sport, dport, filter_action, priority)) return errno; } else { if (vder_filter_del(vif, proto, s_addr.s_addr, s_nm.s_addr, d_addr.s_addr, d_nm.s_addr, tos, sport, dport)) return errno; } return 0; } static void fill_queue_info(struct vder_queue *q, char *info) { if(!q) return; switch(q->policy) { case QPOLICY_UNLIMITED: snprintf(info, MAXCMD, "unlimited"); break; case QPOLICY_FIFO: snprintf(info, MAXCMD, "pfifo limit: %u (%d packets dropped)", q->policy_opt.fifo.limit, q->policy_opt.fifo.stats_drop); break; case QPOLICY_RED: snprintf(info, MAXCMD, "red min: %u, max: %u, probability: %lf limit: %u (%d packets dropped, %d packets fired)", q->policy_opt.red.min, q->policy_opt.red.max, q->policy_opt.red.P, q->policy_opt.red.limit, q->policy_opt.red.stats_drop, q->policy_opt.red.stats_probability_drop ); break; case QPOLICY_TOKEN: snprintf(info, MAXCMD, "token interval: %llu usec, limit: %u (%u packets dropped)", q->policy_opt.token.interval, q->policy_opt.token.limit, q->policy_opt.token.stats_drop); break; } } static void show_queues(int fd, struct vder_iface *vif) { char ifname[10]; char queue_info[MAXCMD]; int i; if (!vif) return; snprintf(ifname, 10, "eth%d", vif->interface_id); fill_queue_info(&vif->out_q, queue_info); printoutc(fd, "%s:output %s size: %lu", ifname, queue_info, vif->out_q.size); for (i = 0; i < 32; i++) { fill_queue_info(&vif->prio_q[i], queue_info); printoutc(fd, "%s:prio%d %s size: %lu", ifname, i, queue_info, vif->prio_q[i].size); } } /*!! Warning !!*/ /* 0 == ERROR here! */ double get_labeled_arg(int fd, char *label, char **nextargs) { char *arg = strtok_r(NULL, " ", nextargs); if (!arg) { printoutc(fd, "missing parameter '%s'", label); return 0.0; //error } if (!match_input(label, arg)) { printoutc(fd, "invalid parameter \"%s\", expecting \"%s\"", arg, label); return 0.0; //error } arg = strtok_r(NULL, " ", nextargs); if (not_a_number(arg) && arg[0] != '.') { printoutc(fd, "invalid value \"%s\"", arg); return 0.0; //error } return strtod(arg, NULL); } static int queue(int fd, char *s) { struct vder_iface *cur = Router.iflist, *selected = NULL; struct vder_queue *q; char *nextargs, *arg; int if_id; int prio_id = -1; char output_word[MAXCMD] = ""; enum queue_policy_e newpolicy; arg = strtok_r(s, " ", &nextargs); if(!arg) { /* No arguments */ while(cur) { show_queues(fd, cur); cur = cur->next; } return 0; } if ((sscanf(arg, "eth%d:prio%d", &if_id, &prio_id) != 2) && (sscanf(arg, "eth%d:%s", &if_id, output_word) != 2)) return EINVAL; else { if (prio_id < 0 && !match_input("output", output_word)) { return EINVAL; } cur = Router.iflist; while(cur) { if (cur->interface_id == if_id) { selected = cur; break; } cur = cur->next; } if (!selected) { printoutc(fd, "Cannot find interface eth%d", if_id); return ENOENT; } /* Match policy */ arg = strtok_r(NULL, " ", &nextargs); if (!arg) { printoutc(fd, "queue: queue policy required"); return EINVAL; } if (match_input("unlimited", arg)) { newpolicy = QPOLICY_UNLIMITED; } else if (match_input("fifo", arg)) { newpolicy = QPOLICY_FIFO; } else if (match_input("red", arg)) { newpolicy = QPOLICY_RED; } else if (match_input("token", arg)) { newpolicy = QPOLICY_TOKEN; } else { printoutc(fd, "queue: invalid queue policy \"%s\"", arg); return EINVAL; } if (prio_id >= 0) { if (prio_id > 31) { printoutc(fd, "Invalid priority queue %s", arg); return EINVAL; } q = &selected->prio_q[prio_id]; } else { printoutc(fd, "selected if=%d, outq", if_id); q = &selected->out_q; } /* Match arguments */ if (newpolicy == QPOLICY_UNLIMITED) { qunlimited_setup(q); } else if (newpolicy == QPOLICY_FIFO) { uint32_t limit; arg = strtok_r(NULL, " ", &nextargs); if (!arg) { printoutc(fd, "fifo: missing parameter 'limit'"); return EINVAL; } if (!match_input("limit", arg)) { printoutc(fd, "fifo: invalid parameter \"%s\"", arg); return EINVAL; } arg = strtok_r(NULL, " ", &nextargs); if (not_a_number(arg)) { printoutc(fd, "fifo: invalid limit"); return EINVAL; } limit = strtol(arg, NULL, 10); qfifo_setup(q,limit); } else if (newpolicy == QPOLICY_RED) { uint32_t min, max, limit; double P; min = (uint32_t) get_labeled_arg(fd,"min", &nextargs); max = (uint32_t) get_labeled_arg(fd,"max", &nextargs); P = get_labeled_arg(fd,"probability", &nextargs); limit = (uint32_t) get_labeled_arg(fd,"limit", &nextargs); if (!min || !max || !limit) return EINVAL; qred_setup(q, min, max, P, limit); } else if (newpolicy == QPOLICY_TOKEN) { uint32_t limit, bitrate; limit = (uint32_t) get_labeled_arg(fd, "limit", &nextargs); bitrate = (uint32_t) get_labeled_arg(fd, "bitrate", &nextargs); if (!limit || !bitrate) return EINVAL; qtoken_setup(q, bitrate, limit); } return 0; } } static int doconnect(int fd,char *s) { char *nextargs = NULL, *arg; struct vder_iface *created = NULL; int mac[6]; uint8_t outmac[6], *newmac = NULL; char sock[1024]; arg = strtok_r(s, " ", &nextargs); if (!arg) { printoutc(fd, "sock argument is required."); return EINVAL; } else { strncpy(sock, arg, 1023); } arg = strtok_r(NULL, " ", &nextargs); if (arg) { if ((sscanf(arg,"%02x:%02x:%02x:%02x:%02x:%02x",&mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5] )) != ETHERNET_ADDRESS_SIZE) { printoutc(fd, "invalid mac address \"%s\"", arg); return EINVAL; } else { outmac[0] = (uint8_t)mac[0]; outmac[1] = (uint8_t)mac[1]; outmac[2] = (uint8_t)mac[2]; outmac[3] = (uint8_t)mac[3]; outmac[4] = (uint8_t)mac[4]; outmac[5] = (uint8_t)mac[5]; newmac = outmac; } } created = vder_iface_new(sock, newmac); if (created == NULL) return errno; pthread_create(&created->sender, 0, vder_core_send_loop, created); pthread_create(&created->receiver, 0, vder_core_recv_loop, created); pthread_create(&created->queue_manager, 0, vder_core_queuer_loop, created); printoutc(fd, "Created interface eth%d", created->interface_id); return 0; } static int stats(int fd, char *args) { struct vder_iface *iface; if (strlen(args) > 0) return EINVAL; iface = Router.iflist; while(iface) { printoutc(fd, "eth%d frames sent:%d, frames received:%d", iface->interface_id, iface->stats.sent, iface->stats.recvd); printoutc(fd, ""); iface = iface->next; } return 0; } static int arp(int fd, char *args) { struct vder_iface *iface; struct rb_node *node; if (strlen(args) > 0) return EINVAL; iface = Router.iflist; while(iface) { node = iface->arp_table.rb_node; while (node) { struct vder_arp_entry *ae = rb_entry(node, struct vder_arp_entry, rb_node); char *txt_address = strdup(vder_ntoa(ae->ipaddr)); printoutc(fd, "%s %02x:%02x:%02x:%02x:%02x:%02x (eth%d)", txt_address, ae->macaddr[0], ae->macaddr[1], ae->macaddr[2], ae->macaddr[3], ae->macaddr[4], ae->macaddr[5], iface->interface_id); free(txt_address); node = node->rb_left; } node = iface->arp_table.rb_node; if (node) node = node->rb_right; while (node) { struct vder_arp_entry *ae = rb_entry(node, struct vder_arp_entry, rb_node); char *txt_address = strdup(vder_ntoa(ae->ipaddr)); printoutc(fd, "%s %02x:%02x:%02x:%02x:%02x:%02x (eth%d)", txt_address, ae->macaddr[0], ae->macaddr[1], ae->macaddr[2], ae->macaddr[3], ae->macaddr[4], ae->macaddr[5], iface->interface_id); free(txt_address); node = node->rb_right; } iface = iface->next; } return 0; } #define DEFAULT_LEASE_TIME htonl(0xa8c0) static int dhcpd(int fd,char *s) { char *nextargs = NULL, *arg; struct vder_dhcpd_settings *dhcpd_settings; struct vder_iface *selected = NULL; struct in_addr temp_pool_start, temp_pool_end; enum command_action_enum action = -1; arg = strtok_r(s, " ", &nextargs); if(!arg) { printoutc(fd, "Error: arguments required"); return EINVAL; } if ((!arg) || (strlen(arg) < 4) || ((strncmp(arg, "start", 5) != 0) && (strncmp(arg, "stop", 4) != 0))) { printoutc(fd, "Invalid action \"%s\".", arg); return EINVAL; } if (strncmp(arg, "start", 5) == 0) action = ACTION_ADD; else action = ACTION_DELETE; arg = strtok_r(NULL, " ", &nextargs); if (!arg) { not_understood(fd, ""); return EINVAL; } if ((strlen(arg) < 4) || (strncmp(arg, "eth", 3)!= 0)) { printoutc(fd, "Invalid interface \"%s\".", arg); return EINVAL; } selected = select_interface(arg); if (!selected) return ENXIO; if (action == ACTION_ADD) { arg = strtok_r(NULL, " ", &nextargs); if (!arg) { not_understood(fd, ""); return EINVAL; } if (!inet_aton(arg, &temp_pool_start) || !is_unicast(temp_pool_start.s_addr)) { printoutc(fd, "Invalid pool start address \"%s\"", arg); return EINVAL; } arg = strtok_r(NULL, " ", &nextargs); if (!arg) { not_understood(fd, ""); return EINVAL; } if (!inet_aton(arg, &temp_pool_end) || !is_unicast(temp_pool_end.s_addr)) { printoutc(fd, "Invalid pool end address \"%s\"", arg); return EINVAL; } dhcpd_settings = malloc(sizeof(struct vder_dhcpd_settings)); if (!dhcpd_settings) return ENOMEM; dhcpd_settings->iface = selected; dhcpd_settings->my_ip = vder_get_right_localip(selected, temp_pool_start.s_addr); dhcpd_settings->netmask = vder_get_netmask(selected, dhcpd_settings->my_ip); dhcpd_settings->pool_start = temp_pool_start.s_addr; dhcpd_settings->pool_end = temp_pool_end.s_addr; dhcpd_settings->lease_time = DEFAULT_LEASE_TIME; dhcpd_settings->flags = 0; selected->dhcpd_started = 1; pthread_create(&selected->dhcpd, 0, dhcp_server_loop, dhcpd_settings); } else if (selected->dhcpd_started) { pthread_cancel(selected->dhcpd); selected->dhcpd_started = 0; } return 0; } static int olsr(int fd,char *s) { char *nextargs = NULL, *arg; struct olsr_setup *olsr_settings; struct vder_iface *selected = NULL; enum command_action_enum action = -1; static pthread_t olsr_thread; arg = strtok_r(s, " ", &nextargs); if(!arg) { printoutc(fd, "Error: arguments required"); return EINVAL; } if ((!arg) || (strlen(arg) < 4) || ((strncmp(arg, "start", 5) != 0) && (strncmp(arg, "stop", 4) != 0))) { printoutc(fd, "Invalid action \"%s\".", arg); return EINVAL; } if (strncmp(arg, "start", 5) == 0) action = ACTION_ADD; else action = ACTION_DELETE; if (action == ACTION_ADD) { olsr_settings = malloc(sizeof(struct olsr_setup)); memset(olsr_settings, 0, sizeof(struct olsr_setup)); arg = strtok_r(NULL, " ", &nextargs); while (arg) { if ((strlen(arg) < 4) || (strncmp(arg, "eth", 3)!= 0)) { printoutc(fd, "Invalid interface \"%s\".", arg); free(olsr_settings); return EINVAL; } selected = select_interface(arg); if (!selected) { free(olsr_settings); return ENXIO; } olsr_settings->ifaces[olsr_settings->n_ifaces++] = selected; arg = strtok_r(NULL, " ", &nextargs); } if (olsr_settings->n_ifaces == 0) { free(olsr_settings); return EINVAL; } pthread_create(&olsr_thread, 0, vder_olsr_loop, olsr_settings); } else { pthread_cancel(olsr_thread); /* stop */ } return 0; } #define WITHFILE 0x80 static struct comlist { char *tag; int (*fun)(int fd,char *arg); unsigned char type; } commandlist [] = { {"help", help, WITHFILE}, {"ifconfig", ifconfig, WITHFILE}, {"arp", arp, WITHFILE}, {"route", route, WITHFILE}, {"connect", doconnect, 0}, {"stats", stats, WITHFILE}, {"ipfilter", filter, WITHFILE}, {"queue", queue, WITHFILE}, {"dhcpd", dhcpd, 0 }, {"olsr", olsr, 0 }, {"logout",logout, 0}, {"shutdown",doshutdown, 0} }; #define NCL sizeof(commandlist)/sizeof(struct comlist) static inline void delnl(char *buf) { int len=strlen(buf)-1; while (len>0 && (buf[len]=='\n' || buf[len]==' ' || buf[len]=='\t')) { buf[len]=0; len--; } } static int handle_cmd(int fd,char *inbuf) { int rv=ENOSYS; int i; char *cmd=inbuf; while (*inbuf == ' ' || *inbuf == '\t' || *inbuf == '\n') inbuf++; delnl(inbuf); if (*inbuf != '\0' && *inbuf != '#') { for (i=0; i=0 && commandlist[i].type & WITHFILE) printoutc(fd,"0000 DATA END WITH '.'"); rv=commandlist[i].fun(fd,inbuf); if (fd>=0 && commandlist[i].type & WITHFILE) printoutc(fd,"."); } if (fd >= 0) { if (rv == 0) { printoutc(fd,"1000 Success"); } else { printoutc(fd,"1%03d %s",rv,strerror(rv)); } } else if (rv != 0) { fprintf(stderr,"rc command error: %s %s",cmd,strerror(rv)); } return rv; } return rv; } static int mgmtcommand(int fd) { char buf[MAXCMD+1]; int n,rv; int outfd=fd; if (fd==STDIN_FILENO) outfd=STDOUT_FILENO; n = read(fd, buf, MAXCMD); if (n<0) { fprintf(stderr,"%s: read from mgmt %s",progname,strerror(errno)); return -1; } else if (n==0){ return -1; /* Remote end has closed connection. */ } else { buf[n]=0; rv=handle_cmd(outfd,buf); if (rv>=0) write(outfd,prompt,strlen(prompt)); return rv; } } static int delmgmtconn(int i,struct pollfd *pfd,int nfds) { if (i 0) { /* Skip leading spaces and empty lines */ if ((len == 0) && (l[len]=='\n' || l[len]==' ' || l[len]=='\t')) continue; if (l[len] == '\n') { l[len] = (char)0; break; } else { if (++len == MAXCMD) { l[MAXCMD-1] = 0; break; } } } return len; } #define MAXCONN 6 static int newmgmtconn(int fd,struct pollfd *pfd,int nfds) { int new; unsigned int len; char buf[MAXCMD]; struct sockaddr addr; new = accept(fd, &addr, &len); if(new < 0) { fprintf(stderr, "mgmt accept %s",strerror(errno)); return nfds; } if (nfds < MAXCONN) { snprintf(buf,MAXCMD,"%s",header); write(new,buf,strlen(buf)); write(new,prompt,strlen(prompt)); pfd[nfds].fd=new; pfd[nfds].events=POLLIN | POLLHUP; return ++nfds; } else { fprintf(stderr,"too many mgmt connections\n"); close (new); return nfds; } } void cleanup(void) { if(mgmt) unlink(mgmt); } void usage(void) { fprintf(stderr, "Usage: %s [-c configfile] [-M mgmt_socket] [-m mgmt_mode] [-p pidfile] [-d]\n", progname); exit(1); } int main(int argc, char *argv[]) { char cmd[MAXCMD]; int npfd = 0; struct pollfd pfd[MAXCONN]; int mgmtindex = -1; int i, n, daemon = 0; char *pidfile = NULL, *configfile = NULL; int option_index; static struct option long_options[] = { {"help",0 , 0, 'h'}, {"config",1 , 0, 'c'}, {"mgmt", 1, 0, 'M'}, {"mgmtmode", 1, 0, 'm'}, {"daemon",0 , 0, 'd'}, {"pidfile", 1, 0, 'p'}, {0,0,0,0} }; progname=basename(argv[0]); vderouter_init(); atexit(cleanup); while(1) { int c; c = getopt_long (argc, argv, "hM:c:dmp:", long_options, &option_index); if (c<0) break; switch (c) { case 'h': usage(); break; case 'c': configfile = strdup(optarg); break; case 'M': mgmt=strdup(optarg); break; case 'm': sscanf(optarg,"%o",&mgmtmode); break; case 'd': daemon=1; break; case 'p': pidfile=strdup(optarg); break; default: usage(); break; } } if (optind < argc) usage(); if (configfile) { int fd = open(configfile, O_RDONLY); if (fd < 0) { perror("Opening configuration file"); exit(1); } while (config_readline(fd,cmd) > 0) { handle_cmd(STDOUT_FILENO, cmd); } close(fd); } if (daemon) { close(STDIN_FILENO); close(STDOUT_FILENO); if (fork() > 0) { exit (0); } if (fork() > 0) { exit (0); } setsid(); } else { pfd[npfd].fd = STDIN_FILENO; pfd[npfd].events = POLLIN | POLLHUP; write(STDOUT_FILENO,header,strlen(header)); write(STDOUT_FILENO,prompt,strlen(prompt)); npfd++; } if (pidfile) { int pid_fd = open(pidfile, O_WRONLY|O_CREAT|O_TRUNC, 0644); char pidstr[7] = ""; if (pid_fd >= 0) { snprintf(pidstr, 6, "%d", getpid()); write(pid_fd, pidstr, strlen(pidstr)); close(pid_fd); } else { fprintf(stderr, "Cannot open pidfile: %s", strerror(errno)); } } if(mgmt != NULL) { int mgmtfd = openmgmt(mgmt); mgmtindex = npfd; pfd[npfd].fd = mgmtfd; pfd[npfd].events = POLLIN | POLLHUP; npfd++; } while(1) { n = poll(pfd, npfd, -1); if (n>0) { for (i = 0; i < npfd; i++) { if ((pfd[i].revents == POLLIN) && (i == mgmtindex)) { npfd = newmgmtconn(pfd[i].fd, pfd, npfd); break; } else if (i != mgmtindex) { if (pfd[i].revents == POLLIN) { mgmtcommand(pfd[i].fd); } else if (pfd[i].revents&POLLHUP) { npfd = delmgmtconn(i, pfd, npfd); break; } } } } } exit(0); } vde2-2.3.2+r586/src/vde_router/vde_router.h0000644000000000000000000000566113614540472015256 0ustar /* VDE_ROUTER (C) 2007:2011 Daniele Lacamera * * Licensed under the GPLv2 * */ #ifndef _VDER_ROUTER #define _VDER_ROUTER #include #include #include #include "rbtree.h" #include struct vde_router; struct vder_queue; /* IP address (generic) */ struct vder_ip4address { struct vder_ip4address *next; uint32_t address; uint32_t netmask; }; /* * Filter interface */ enum filter_action { filter_accept = 0, filter_priority, filter_reject, filter_drop, filter_invalid = 255 }; struct vder_filter { struct vder_filter *next; struct vder_iface *src_iface; uint8_t proto; struct vder_ip4address saddr; struct vder_ip4address daddr; uint16_t sport; uint16_t dport; int tos; enum filter_action action; uint8_t priority; uint32_t stats_packets; uint32_t stats_bytes; }; /* route */ struct vder_route { struct vder_route *next; uint32_t dest_addr; uint32_t netmask; uint32_t gateway; uint16_t metric; struct vder_iface *iface; }; struct vder_timed_dequeue { struct vder_timed_dequeue *next; uint64_t last_out; uint32_t interval; struct vder_queue *q; }; struct vde_router { struct vder_iface *iflist; struct vder_route *routing_table; struct vder_filter *filtering_table; struct vder_timed_dequeue *timed_dequeue; pthread_mutex_t global_config_lock; pthread_t timer; uint32_t smallest_interval; }; /* Buffer structure */ struct __attribute__ ((__packed__)) vde_buff { struct vde_buff *next; int len; struct vder_iface *src; uint8_t priority; unsigned char data[0]; }; #define QTYPE_OUT 0 #define QTYPE_PRIO 1 #define PRIO_ARP 1 #define PRIO_BESTEFFORT 15 #define PRIO_NUM 32 enum queue_policy_e { QPOLICY_UNLIMITED = 0, QPOLICY_FIFO, QPOLICY_RED, QPOLICY_TOKEN }; /* Queue */ struct vder_queue { uint32_t n; /*< Number of packets */ uint32_t size; /*< this is in bytes */ pthread_mutex_t lock; sem_t semaphore; struct vde_buff *head; struct vde_buff *tail; uint8_t type; sem_t *prio_semaphore; enum queue_policy_e policy; int (*may_enqueue)(struct vder_queue *q, struct vde_buff *vb); int (*may_dequeue)(struct vder_queue *q); union policy_opt_e { struct { uint32_t limit; uint32_t stats_drop; } fifo; struct { uint32_t min; uint32_t max; double P; uint32_t limit; uint32_t stats_drop; uint32_t stats_probability_drop; } red; struct { uint32_t limit; uint32_t stats_drop; unsigned long long interval; } token; }policy_opt; }; struct vder_iface { uint8_t interface_id; struct vder_iface *next; struct vder_ip4address *address_list; uint8_t macaddr[6]; VDECONN *vdec; char vde_sock[1024]; struct rb_root arp_table; struct vder_queue out_q; struct vder_queue prio_q[256]; sem_t prio_semaphore; struct vde_router *router; pthread_t sender; pthread_t receiver; pthread_t queue_manager; pthread_t dhcpd; pthread_t dhcpclient; int dhcpd_started; struct { uint32_t sent; uint32_t recvd; } stats; }; #endif vde2-2.3.2+r586/src/vde_router/vder_arp.c0000644000000000000000000001124113614540472014664 0ustar /* VDE_ROUTER (C) 2007:2011 Daniele Lacamera * * Licensed under the GPLv2 * */ #include "vde_router.h" #include "vder_arp.h" #include "vde_headers.h" #include "vder_datalink.h" #include #include #include #include #include "rbtree.h" void vder_add_arp_entry(struct vder_iface *vif, struct vder_arp_entry *p) { struct rb_node **link, *parent; uint32_t hostorder_ip = ntohl(p->ipaddr); link = &vif->arp_table.rb_node; parent = *link; while (*link) { struct vder_arp_entry *entry; parent = *link; entry = rb_entry(parent, struct vder_arp_entry, rb_node); if (ntohl(entry->ipaddr) > hostorder_ip) { link = &(*link)->rb_left; } else if (ntohl(entry->ipaddr) < hostorder_ip){ link = &(*link)->rb_right; } else { /* Update existing entry */ memcpy(entry->macaddr,p->macaddr,6); return; } } rb_link_node(&p->rb_node, parent, link); rb_insert_color(&p->rb_node, &vif->arp_table); } struct vder_arp_entry *vder_get_arp_entry(struct vder_iface *vif, uint32_t addr) { struct rb_node *node; struct vder_arp_entry *found=NULL; uint32_t hostorder_ip = ntohl(addr); node = vif->arp_table.rb_node; while(node) { struct vder_arp_entry *entry = rb_entry(node, struct vder_arp_entry, rb_node); if (ntohl(entry->ipaddr) > hostorder_ip) node = node->rb_left; else if (ntohl(entry->ipaddr) < hostorder_ip) node = node->rb_right; else { found = entry; break; } } return found; } /** * Prepare and send an arp query */ size_t vder_arp_query(struct vder_iface *oif, uint32_t tgt) { struct vde_ethernet_header *vdeh; struct vde_arp_header *ah; struct vde_buff *vdb; vdb = (struct vde_buff *) malloc(sizeof(struct vde_buff) + 60); vdb->len = 60; /* set frame type to ARP */ vdeh = ethhead(vdb); vdeh->buftype = htons(PTYPE_ARP); /* build arp payload */ ah = arphead(vdb); ah->htype = htons(HTYPE_ETH); ah->ptype = htons(PTYPE_IP); ah->hsize = ETHERNET_ADDRESS_SIZE; ah->psize = IP_ADDRESS_SIZE; ah->opcode = htons(ARP_REQUEST); memcpy(ah->s_mac, oif->macaddr,6); ah->s_addr = vder_get_right_localip(oif, tgt); if (ah->s_addr == 0) { if (oif->address_list) ah->s_addr = oif->address_list->address; else return -1; } memset(ah->d_mac,0,6); ah->d_addr = tgt; vdb->priority = PRIO_ARP; return vder_sendto(oif, vdb, ETH_BCAST); } /** * Reply to given arp request, if needed */ size_t vder_arp_reply(struct vder_iface *oif, struct vde_buff *vdb) { struct vde_arp_header *ah; uint32_t ipaddr_tmp; struct vde_buff *vdb_copy; ah = arphead(vdb); ah->opcode = htons(ARP_REPLY); memcpy(ah->d_mac, ah->s_mac, 6); memcpy(ah->s_mac, oif->macaddr,6); ipaddr_tmp = ah->s_addr; ah->s_addr = ah->d_addr; ah->d_addr = ipaddr_tmp; vdb_copy = malloc(sizeof(struct vde_buff) + vdb->len); memcpy(vdb_copy, vdb, (sizeof(struct vde_buff) + vdb->len)); vdb->priority = PRIO_ARP; return vder_sendto(oif, vdb_copy, ah->d_mac); } /* Parse an incoming arp packet */ int vder_parse_arp(struct vder_iface *vif, struct vde_buff *vdb) { struct vde_arp_header *ah; struct vder_arp_entry *ae=(struct vder_arp_entry*)malloc(sizeof(struct vder_arp_entry)); if (!ae) return -1; ah = arphead(vdb); memcpy(ae->macaddr,ah->s_mac,6); ae->ipaddr = ah->s_addr; vder_add_arp_entry(vif, ae); if(ntohs(ah->opcode) == ARP_REQUEST) vder_arp_reply(vif, vdb); return 0; } struct vder_arp_entry *vder_arp_get_record_by_macaddr(struct vder_iface *vif, uint8_t *mac) { struct rb_node *node; struct vder_arp_entry *found=NULL; node = vif->arp_table.rb_node; while(node) { struct vder_arp_entry *entry = rb_entry(node, struct vder_arp_entry, rb_node); if (memcmp(entry->macaddr, mac, ETHERNET_ADDRESS_SIZE) == 0) { found = entry; break; } node = node->rb_left; } if (found) return found; node = vif->arp_table.rb_node; while(node) { struct vder_arp_entry *entry = rb_entry(node, struct vder_arp_entry, rb_node); if (memcmp(entry->macaddr, mac, ETHERNET_ADDRESS_SIZE) == 0) { found = entry; break; } node = node->rb_right; } return found; } int vder_arp_get_neighbors(struct vder_iface *vif, uint32_t *neighbors, int vector_size) { int i = 0; struct rb_node *node; if (vector_size <= 0) return -EINVAL; node = vif->arp_table.rb_node; while(node) { struct vder_arp_entry *entry = rb_entry(node, struct vder_arp_entry, rb_node); neighbors[i++] = entry->ipaddr; if (i == vector_size) return i; node = node->rb_left; } node = vif->arp_table.rb_node; if (!node) return i; node = node->rb_right; while(node) { struct vder_arp_entry *entry = rb_entry(node, struct vder_arp_entry, rb_node); neighbors[i++] = entry->ipaddr; if (i == vector_size) return i; node = node->rb_right; } return i; } vde2-2.3.2+r586/src/vde_router/vder_arp.h0000644000000000000000000000170113614540472014671 0ustar /* VDE_ROUTER (C) 2007:2011 Daniele Lacamera * * Licensed under the GPLv2 * */ #ifndef __VDER_ARP #define __VDER_ARP #include "vde_router.h" #include /* Interface */ struct vder_arp_entry { struct rb_node rb_node; uint32_t ipaddr; uint8_t macaddr[6]; }; void vder_add_arp_entry(struct vder_iface *vif, struct vder_arp_entry *p); struct vder_arp_entry *vder_get_arp_entry(struct vder_iface *vif, uint32_t addr); size_t vder_arp_query(struct vder_iface *oif, uint32_t tgt); size_t vder_arp_reply(struct vder_iface *oif, struct vde_buff *vdb); /* Parse an incoming arp packet */; int vder_parse_arp(struct vder_iface *vif, struct vde_buff *vdb); /* O(N) search by macaddr (required by dhcp server) */ struct vder_arp_entry *vder_arp_get_record_by_macaddr(struct vder_iface *vif, uint8_t *mac); /* O(N) list of neighbors (required by olsr) */ int vder_arp_get_neighbors(struct vder_iface *vif, uint32_t *neighbors, int vector_size); #endif vde2-2.3.2+r586/src/vde_router/vder_datalink.c0000644000000000000000000003373113614540472015701 0ustar /* VDE_ROUTER (C) 2007:2011 Daniele Lacamera * * Licensed under the GPLv2 * */ #include "vde_router.h" #include "vde_headers.h" #include "vder_queue.h" #include "vder_packet.h" #include "vder_icmp.h" #include #include #include #include #include #include #include #include #include struct vde_router Router = {}; /* MAC Addresses helpers. */ const uint8_t macaddr_vendor[3] = {0,2,5}; static uint8_t interfaces_list_lenght(void) { uint8_t len = 0; struct vder_iface *vif = Router.iflist; while(vif) { len++; vif = vif->next; } return len; } static void new_macaddress(struct vder_iface *vif) { uint16_t pid = getpid(); memcpy(vif->macaddr, macaddr_vendor, 3); vif->macaddr[3] = (pid & 0xFF00) >> 8; vif->macaddr[4] = (pid & 0xFF); vif->macaddr[5] = vif->interface_id; } /* Queue management */ static void queue_init(struct vder_queue *q) { memset(q, 0, sizeof(struct vder_queue)); pthread_mutex_init(&q->lock, NULL); qunlimited_setup(q); } #define microseconds(tv) (unsigned long long)((tv.tv_sec * 1000000) + (tv.tv_usec)); static void *vder_timer_loop(void *arg) { struct timeval now_tv; struct timespec interval = {}; unsigned long long now; struct vder_timed_dequeue *cur; while(1) { gettimeofday(&now_tv, NULL); now = microseconds(now_tv); cur = Router.timed_dequeue; pthread_mutex_lock(&Router.global_config_lock); while(cur) { while (now > (cur->last_out + cur->interval)) { if (cur->q) { if (cur->q->type == QTYPE_OUT) sem_post(&cur->q->semaphore); else sem_post(cur->q->prio_semaphore); cur->last_out += cur->interval; if (cur->last_out > now) cur->last_out = now; } } cur = cur->next; } pthread_mutex_unlock(&Router.global_config_lock); interval.tv_sec = 0; interval.tv_nsec = Router.smallest_interval / 1000; if (Router.timed_dequeue) nanosleep(&interval, NULL); else sleep(2); } return 0; } void vder_timed_dequeue_add(struct vder_queue *q, uint32_t interval) { struct vder_timed_dequeue *new = malloc(sizeof(struct vder_timed_dequeue)); struct timeval now_tv; pthread_mutex_lock(&Router.global_config_lock); gettimeofday(&now_tv, 0); if (!new) return; new->interval = interval; new->q = q; new->last_out = microseconds(now_tv); new->next = Router.timed_dequeue; Router.timed_dequeue = new; if (Router.smallest_interval > new->interval) { Router.smallest_interval = new->interval; } pthread_mutex_unlock(&Router.global_config_lock); } void vder_timed_dequeue_del(struct vder_queue *q) { struct vder_timed_dequeue *prev = NULL, *cur = Router.timed_dequeue; pthread_mutex_lock(&Router.global_config_lock); while(cur) { if (cur->q == q) { if (!prev) Router.timed_dequeue = cur->next; else prev->next = cur->next; free(cur); break; } prev = cur; cur = cur->next; } pthread_mutex_unlock(&Router.global_config_lock); } /* Global router initialization */ void vderouter_init(void) { memset(&Router, 0, sizeof(Router)); pthread_create(&Router.timer, 0, vder_timer_loop, NULL); pthread_mutex_init(&Router.global_config_lock, NULL); Router.smallest_interval = 100000; } /* Route management */ uint32_t vder_get_right_localip(struct vder_iface *vif, uint32_t dst) { struct vder_ip4address *cur = vif->address_list; while(cur) { if ((cur->address & cur->netmask) == (dst & cur->netmask)) return cur->address; cur = cur->next; } return 0U; } uint32_t vder_get_netmask(struct vder_iface *vif, uint32_t localip) { struct vder_ip4address *cur = vif->address_list; while(cur) { if (cur->address == localip) return cur->netmask; cur = cur->next; } return 0U; } uint32_t vder_get_network(uint32_t localip, uint32_t netmask) { return (localip & netmask); } uint32_t vder_get_broadcast(uint32_t localip, uint32_t netmask) { return (localip | (~netmask)); } /* insert route, ordered by netmask, metric. * Default gw will be the last ones. */ int vder_route_add(uint32_t address, uint32_t netmask, uint32_t gateway, uint16_t metric, struct vder_iface *dst) { struct vder_route *cur, *prev, *ro = malloc(sizeof(struct vder_route)); uint32_t l_addr, l_nm; int ret = -1; if (!ro) return -1; pthread_mutex_lock(&Router.global_config_lock); l_addr = ntohl(address); l_nm = ntohl(netmask); /* Address is "network part" only */ l_addr &= l_nm; ro->dest_addr = htonl(l_addr); ro->netmask = netmask; ro->gateway = gateway; ro->metric = metric; if (dst) ro->iface = dst; else { struct vder_route *next_hop = vder_get_route(gateway); if (!next_hop) { errno = EHOSTUNREACH; goto out_unlock; } ro->iface = next_hop->iface; } /* Is this route already there? */ cur = Router.routing_table; while(cur) { if ((cur->dest_addr == ro->dest_addr) && (cur->netmask == ro->netmask) && (cur->metric == ro->metric)) { errno = EEXIST; goto out_unlock; } cur = cur->next; } cur = Router.routing_table; prev = NULL; if (!cur) { Router.routing_table = ro; ro->next = NULL; } else { while(cur) { if (ntohl(cur->netmask) < ntohl(ro->netmask) || ((cur->netmask == ro->netmask) && (cur->metric < ro->metric))) { if (!prev) { Router.routing_table = ro; ro->next = cur; ret = 0; /* Successfully inserted as first member */ goto out_unlock; } else { prev->next = ro; ro->next = cur; ret = 0; /* Successfully inserted between prev and cur */ goto out_unlock; } } prev = cur; cur = cur->next; } /* if we got here, the current route must be inserted after the last one */ prev->next = ro; ro->next = NULL; ret = 0; } out_unlock: pthread_mutex_unlock(&Router.global_config_lock); return ret; } int vder_route_del(uint32_t address, uint32_t netmask, int metric) { struct vder_route *cur = Router.routing_table, *prev = NULL; int retval = -1; pthread_mutex_lock(&Router.global_config_lock); while(cur) { if ((cur->dest_addr == address) && (cur->netmask == netmask) && (cur->metric == metric)) { if (prev) { prev->next = cur->next; } else { Router.routing_table = cur->next; } free(cur); retval = 0; break; } prev = cur; cur = cur->next; } pthread_mutex_unlock(&Router.global_config_lock); return retval; } struct vder_route * vder_get_route(uint32_t address) { struct vder_route *cur = Router.routing_table; uint32_t l_addr, r_addr, r_netmask; l_addr = ntohl(address); while(cur) { r_addr = ntohl(cur->dest_addr); r_netmask = ntohl(cur->netmask); if ((l_addr & r_netmask) == r_addr) break; cur = cur->next; } return cur; } int vder_default_route(uint32_t gateway, int metric) { struct vder_route *dst = vder_get_route(gateway); if (!dst || (!dst->dest_addr) || dst->gateway) return -EINVAL; return vder_route_add(0, 0, gateway, metric, dst->iface); } /* Interface management */ struct vder_iface *vder_iface_new(char *sock, uint8_t *macaddr) { struct vder_iface *vif = (struct vder_iface *) malloc(sizeof(struct vder_iface)), *cur; struct vde_open_args open_args={.mode=0700}; int i; if (!vif) return NULL; pthread_mutex_lock(&Router.global_config_lock); vif->vdec = vde_open(sock, "vde_router", &open_args); if (vif->vdec == NULL) { perror("vde_open"); free(vif); vif = NULL; goto out; } sem_init(&vif->out_q.semaphore, 0, 0); sem_init(&vif->prio_semaphore, 0, 0); queue_init(&vif->out_q); vif->out_q.type = QTYPE_OUT; for (i=0; i< PRIO_NUM; i++) { queue_init(&(vif->prio_q[i])); vif->prio_q[i].type = QTYPE_PRIO; vif->prio_q[i].prio_semaphore = &vif->prio_semaphore; } vif->interface_id = interfaces_list_lenght(); if (!macaddr) new_macaddress(vif); else memcpy(vif->macaddr, macaddr, 6); vif->arp_table = RB_ROOT; vif->address_list = NULL; vif->router = &Router; vif->next = NULL; cur = Router.iflist; strncpy(vif->vde_sock, sock, 1023); if(!cur) { Router.iflist = vif; } else { while(cur->next) cur = cur->next; cur->next = vif; } out: pthread_mutex_unlock(&Router.global_config_lock); return vif; } int vder_iface_address_add(struct vder_iface *iface, uint32_t addr, uint32_t netmask) { struct vder_ip4address *address = malloc(sizeof(struct vder_ip4address)); struct vder_ip4address *cur = iface->address_list; if (!address) { errno = EINVAL; return -1; } while(cur) { if (cur->address == addr) { free(address); errno = EADDRINUSE; return -1; } cur = cur->next; } pthread_mutex_lock(&Router.global_config_lock); address->address = addr; address->netmask = netmask; address->next = iface->address_list; iface->address_list = address; pthread_mutex_unlock(&Router.global_config_lock); /* Add static route towards neightbors */ if (addr != (uint32_t) (-1)) vder_route_add(address->address, address->netmask, 0U, 1, iface); return 0; } int vder_iface_address_del(struct vder_iface *iface, uint32_t addr) { struct vder_ip4address *cur = iface->address_list, *prev = NULL; uint32_t netmask = 0U; pthread_mutex_lock(&Router.global_config_lock); while(cur) { if (cur->address == addr) { if (prev) { prev->next = cur->next; } else { iface->address_list = cur->next; } netmask = cur->netmask; free(cur); } prev = cur; cur = cur->next; } pthread_mutex_unlock(&Router.global_config_lock); /* Get rid of the previously added route */ if(netmask) { vder_route_del((addr & netmask), netmask, 1); return 0; } else { errno = ENOENT; return -1; } } int vder_sendto(struct vder_iface *iface, struct vde_buff *vb, uint8_t *dst) { struct vde_ethernet_header *eth; if (!vb || !dst) { errno = EINVAL; return -1; } eth = ethhead(vb); memcpy(eth->dst, dst, 6); memcpy(eth->src, iface->macaddr, 6); enqueue(&(iface->prio_q[vb->priority]), vb); return 0; } int vder_recv(struct vder_iface *iface, struct vde_buff *vb, int len) { vb->len = vde_recv(iface->vdec, vb->data, len, 0); vb->src = iface; return vb->len; } void *vder_core_send_loop(void *vde_if_arg) { struct vder_iface *vde_if = vde_if_arg; struct vde_buff *buf; while(1) { buf = dequeue(&vde_if->out_q); if (!buf) continue; vde_send(vde_if->vdec, buf->data, buf->len, 0); vde_if->stats.sent++; free(buf); } } void *vder_core_recv_loop(void *vde_if_arg) { struct vder_iface *vde_if = vde_if_arg; while(1) { (void) vder_packet_recv(vde_if, -1); vde_if->stats.recvd++; } } void *vder_core_queuer_loop(void *vde_if_arg) { struct vder_iface *vde_if = vde_if_arg; struct vde_buff *buf; while(1) { buf = prio_dequeue(vde_if); if (!buf) continue; enqueue(&vde_if->out_q, buf); } } int vder_ipaddress_is_local(uint32_t addr) { struct vder_iface *iface = Router.iflist; while (iface) { struct vder_ip4address *cur = iface->address_list; while(cur) { if ((cur->address == addr)|| (cur->address == (uint32_t)(-1))) { return 1; } cur = cur->next; } iface = iface->next; } return 0; } int vder_ipaddress_is_broadcast(uint32_t addr) { struct vder_iface *iface = Router.iflist; if (addr == (uint32_t)(-1)) return 1; while (iface) { struct vder_ip4address *cur = iface->address_list; while(cur) { if (((cur->address & cur->netmask) == (addr & cur->netmask)) && ((cur->netmask | addr) == 0xFFFFFFFF)) { return 1; } cur = cur->next; } iface = iface->next; } return 0; } /* IP filter management */ int vder_filter_del(struct vder_iface *src, uint8_t proto, uint32_t saddr_address, uint32_t saddr_netmask, uint32_t daddr_address, uint32_t daddr_netmask, int tos, uint16_t sport, uint16_t dport) { struct vder_filter *prev = NULL, *search = Router.filtering_table; while(search) { if ( (search->src_iface == src) && (search->saddr.address == saddr_address) && (search->saddr.netmask == saddr_netmask) && (search->daddr.address == daddr_address) && (search->daddr.netmask == daddr_netmask) && (search->sport == sport) && (search->dport == dport) && (search->tos == tos) ) { if (!prev) { Router.filtering_table = search->next; } else { prev->next = search->next; } free(search); return 0; } prev = search; search = search->next; } errno = ENOENT; return -1; } int vder_filter_add(struct vder_iface *src, uint8_t proto, uint32_t saddr_address, uint32_t saddr_netmask, uint32_t daddr_address, uint32_t daddr_netmask, int tos, uint16_t sport, uint16_t dport, enum filter_action action, uint8_t priority) { struct vder_filter *new = malloc(sizeof(struct vder_filter)); if (!new) return -1; new->src_iface = src; new->saddr.address = saddr_address; new->saddr.netmask = saddr_netmask; new->daddr.address = daddr_address; new->daddr.netmask = daddr_netmask; new->sport = sport; new->dport = dport; new->tos = tos; new->proto = proto; new->stats_packets = 0U; new->stats_bytes = 0U; new->action = action; new->next = Router.filtering_table; Router.filtering_table = new; return 0; } int vder_filter(struct vde_buff *buf) { struct iphdr *ip = iphead(buf); struct vder_filter *selected = NULL, *cur = Router.filtering_table; uint8_t foot[sizeof(struct iphdr) + 8]; while(cur) { if ( (!cur->src_iface || (cur->src_iface == buf->src)) && (!cur->proto || (cur->proto == ip->protocol)) && ( (cur->tos < 0) || ((uint8_t)cur->tos == ip->tos)) && (!cur->saddr.address || (cur->saddr.address == (cur->saddr.netmask & ip->saddr))) && (!cur->daddr.address || (cur->daddr.address == (cur->daddr.netmask & ip->daddr))) && (!cur->sport || (cur->sport == transport_sport(buf))) && (!cur->dport || (cur->dport == transport_dport(buf))) ) { selected = cur; break; } cur = cur->next; } if (selected) { selected->stats_packets++; selected->stats_bytes += buf->len; switch(selected->action) { case filter_priority: buf->priority = selected->priority; /* fall through */ case filter_accept: return 0; case filter_reject: memcpy(foot, footprint(buf), sizeof(struct iphdr) + 8); vder_icmp_filter(ip->saddr, foot); /* fall through */ case filter_drop: return 1; default: return 0; } } return 0; /* Default (no rule set): accept. */ } vde2-2.3.2+r586/src/vde_router/vder_datalink.h0000644000000000000000000000523413614540472015703 0ustar /* VDE_ROUTER (C) 2007:2011 Daniele Lacamera * * Licensed under the GPLv2 * */ #ifndef _VDER_DATALINK #define _VDER_DATALINK #include #include "vde_headers.h" #include "vde_router.h" /* Global router initialization */ void vderouter_init(void); /* Route management */ uint32_t vder_get_right_localip(struct vder_iface *vif, uint32_t dst); uint32_t vder_get_netmask(struct vder_iface *vif, uint32_t localip); uint32_t vder_get_network(uint32_t localip, uint32_t netmask); uint32_t vder_get_broadcast(uint32_t localip, uint32_t netmask); int vder_route_add(uint32_t address, uint32_t netmask, uint32_t gateway, uint16_t metric, struct vder_iface *dst); int vder_route_del(uint32_t address, uint32_t netmask, int metric); struct vder_route * vder_get_route(uint32_t address); int vder_default_route(uint32_t gateway, int metric); uint32_t vder_get_right_localip(struct vder_iface *vif, uint32_t dst); int vder_ipaddress_is_local(uint32_t addr); int vder_ipaddress_is_broadcast(uint32_t addr); /* Interface management */ struct vder_iface *vder_iface_new(char *sock, uint8_t *macaddr); int vder_iface_address_add(struct vder_iface *iface, uint32_t addr, uint32_t netmask); int vder_iface_address_del(struct vder_iface *iface, uint32_t addr); int vder_sendto(struct vder_iface *iface, struct vde_buff *vb, uint8_t *dst); struct vder_iface *vder_iface_new(char *sock, uint8_t *macaddr); int vder_iface_address_add(struct vder_iface *iface, uint32_t addr, uint32_t netmask); int vder_iface_address_del(struct vder_iface *iface, uint32_t addr); int vder_send(struct vder_iface *iface, struct vde_buff *vb, int len, uint8_t *dst); int vder_recv(struct vder_iface *iface, struct vde_buff *vb, int len); /* Thread-loops */ void *vder_core_send_loop(void *); void *vder_core_recv_loop(void *); void *vder_core_queuer_loop(void *); /* timed dequeues (token bucket) */ void vder_timed_dequeue_add(struct vder_queue *q, uint32_t interval); void vder_timed_dequeue_del(struct vder_queue *q); /* Filter */ int vder_filter_del(struct vder_iface *src, uint8_t proto, uint32_t saddr_address, uint32_t saddr_netmask, uint32_t daddr_address, uint32_t daddr_netmask, int tos, uint16_t sport, uint16_t dport); int vder_filter_add(struct vder_iface *src, uint8_t proto, uint32_t saddr_address, uint32_t saddr_netmask, uint32_t daddr_address, uint32_t daddr_netmask, int tos, uint16_t sport, uint16_t dport, enum filter_action action, uint8_t priority); int vder_filter(struct vde_buff *buf); /* Get TCP/UDP header ports */ #define transport_sport(vdb) *((uint16_t *)((unsigned char*)(payload(vdb)) + 0)) #define transport_dport(vdb) *((uint16_t *)((unsigned char*)(payload(vdb)) + 2)) #endif vde2-2.3.2+r586/src/vde_router/vder_dhcp.c0000644000000000000000000002762113614540472015031 0ustar #include "vder_udp.h" #include "vder_arp.h" #include "vder_dhcp.h" #include #include #include #include static struct vder_dhcp_negotiation *Negotiation_list; static struct vder_udp_socket *udpsock; static struct vder_dhcpd_settings Settings; static struct vder_dhcp_negotiation * get_negotiation_by_xid(uint32_t xid) { struct vder_dhcp_negotiation *cur = Negotiation_list; while (cur) { if (cur->xid == xid) return cur; cur = cur->next; } return NULL; } static uint8_t dhcp_get_next_option(uint8_t *begin, uint8_t *data, int *len, uint8_t **nextopt) { uint8_t *p; uint8_t type; uint8_t opt_len; if (!begin) p = *nextopt; else p = begin; type = *p; *nextopt = ++p; if ((type == DHCPOPT_END) || (type == DHCPOPT_PAD)) { memset(data, 0, *len); len = 0; return type; } opt_len = *p; p++; if (*len > opt_len) *len = opt_len; memcpy(data, p, *len); *nextopt = p + opt_len; return type; } static int is_options_valid(uint8_t *opt_buffer, int len) { uint8_t *p = opt_buffer; while (len > 0) { if (*p == DHCPOPT_END) return 1; else if (*p == DHCPOPT_PAD) { p++; len--; } else { uint8_t opt_len; p++; len--; opt_len = *p; p += opt_len + 1; len -= opt_len; } } return 0; } #define DHCP_DATAGRAM_SIZE 300 #define OPENDNS (htonl(0xd043dede)) static void dhcpd_make_reply(struct vder_dhcp_negotiation *dn, uint8_t reply_type) { uint8_t buf_out[DHCP_DATAGRAM_SIZE] = {0}; struct dhcphdr *dh_out = (struct dhcphdr *) buf_out; uint32_t server_address = vder_get_right_localip(Settings.iface, Settings.pool_next); uint32_t netmask = vder_get_netmask(Settings.iface, server_address); uint32_t bcast = vder_get_broadcast(server_address, netmask); uint32_t dns_server = OPENDNS; int sent = 0; memcpy(dh_out->hwaddr, dn->hwaddr, HLEN_ETHER); dh_out->op = DHCP_OP_REPLY; dh_out->htype = HTYPE_ETHER; dh_out->hlen = HLEN_ETHER; dh_out->xid = dn->xid; dh_out->yiaddr = dn->arp->ipaddr; dh_out->siaddr = server_address; dh_out->dhcp_magic = DHCPD_MAGIC_COOKIE; /* Option: msg type, len 1 */ dh_out->options[0] = DHCPOPT_MSGTYPE; dh_out->options[1] = 1; dh_out->options[2] = reply_type; /* Option: server id, len 4 */ dh_out->options[3] = DHCPOPT_SERVERID; dh_out->options[4] = 4; memcpy(dh_out->options + 5, &server_address, 4); /* Option: Lease time, len 4 */ dh_out->options[9] = DHCPOPT_LEASETIME; dh_out->options[10] = 4; memcpy(dh_out->options + 11, &Settings.lease_time, 4); /* Option: Netmask, len 4 */ dh_out->options[15] = DHCPOPT_NETMASK; dh_out->options[16] = 4; memcpy(dh_out->options + 17, &netmask, 4); /* Option: Router, len 4 */ dh_out->options[21] = DHCPOPT_ROUTER; dh_out->options[22] = 4; memcpy(dh_out->options + 23, &server_address, 4); /* Option: Broadcast, len 4 */ dh_out->options[27] = DHCPOPT_BCAST; dh_out->options[28] = 4; memcpy(dh_out->options + 29, &bcast, 4); /* Option: DNS, len 4 */ dh_out->options[33] = DHCPOPT_DNS; dh_out->options[34] = 4; memcpy(dh_out->options + 35, &dns_server, 4); dh_out->options[40] = DHCPOPT_END; sent = vder_udpsocket_sendto(udpsock, buf_out, DHCP_DATAGRAM_SIZE, dh_out->yiaddr, DHCP_CLIENT_PORT); if (sent < 0) { perror("udp sendto"); } } #define dhcpd_make_offer(x) dhcpd_make_reply(x, DHCP_MSG_OFFER) #define dhcpd_make_ack(x) dhcpd_make_reply(x, DHCP_MSG_ACK) #define ip_inrange(x) ((ntohl(x) >= ntohl(Settings.pool_start)) && (ntohl(x) <= ntohl(Settings.pool_end))) static void dhcp_recv(uint8_t *buffer, int len) { struct dhcphdr *dhdr = (struct dhcphdr *) buffer; struct vder_dhcp_negotiation *dn = get_negotiation_by_xid(dhdr->xid); uint8_t *nextopt, opt_data[20], opt_type; int opt_len = 20; if (!is_options_valid(dhdr->options, len - sizeof(struct dhcphdr))) return; if (!dn) { dn = malloc(sizeof(struct vder_dhcp_negotiation)); memset(dn, 0, sizeof(struct vder_dhcp_negotiation)); dn->xid = dhdr->xid; dn->state = DHCPSTATE_DISCOVER; memcpy(dn->hwaddr, dhdr->hwaddr, HLEN_ETHER); dn->next = Negotiation_list; Negotiation_list = dn; dn->arp = vder_arp_get_record_by_macaddr(Settings.iface, dn->hwaddr); if (!dn->arp) { dn->arp = malloc(sizeof(struct vder_arp_entry)); if (!dn->arp) return; memcpy(dn->arp->macaddr, dn->hwaddr, HLEN_ETHER); dn->arp->ipaddr = Settings.pool_next; Settings.pool_next = htonl(ntohl(Settings.pool_next) + 1); vder_add_arp_entry(Settings.iface, dn->arp); } } if (!ip_inrange(dn->arp->ipaddr)) return; opt_type = dhcp_get_next_option(dhdr->options, opt_data, &opt_len, &nextopt); while (opt_type != DHCPOPT_END) { /* parse interesting options here */ if (opt_type == DHCPOPT_MSGTYPE) { /* server simple state machine */ uint8_t msg_type = opt_data[0]; if (msg_type == DHCP_MSG_DISCOVER) { dhcpd_make_offer(dn); dn->state = DHCPSTATE_OFFER; return; } else if (msg_type == DHCP_MSG_REQUEST) { dhcpd_make_ack(dn); return; } } opt_len = 20; opt_type = dhcp_get_next_option(NULL, opt_data, &opt_len, &nextopt); } } void *dhcp_server_loop(void *ptr_settings) { uint32_t from_ip; uint16_t from_port; unsigned char buffer[2000]; int len; memcpy(&Settings, ptr_settings, sizeof(struct vder_dhcpd_settings)); Settings.pool_next = Settings.pool_start; free(ptr_settings); if(!Settings.iface) return NULL; if (!udpsock) udpsock = vder_udpsocket_open(DHCPD_PORT); if (!udpsock) return NULL; while(1) { len = vder_udpsocket_recvfrom(udpsock, buffer, 2000, &from_ip, &from_port, -1); if (len < 0) { perror("udp recv"); return NULL; } if ((from_ip == 0) && (from_port == DHCP_CLIENT_PORT)) { dhcp_recv(buffer, len); } } } struct dhcp_client_cookie { uint32_t xid; uint32_t address; uint32_t netmask; uint32_t gateway; uint32_t server_id; uint32_t lease_time; struct vder_udp_socket *socket; struct vder_iface *iface; struct timeval start_time; int attempt; enum dhcp_negotiation_state state; }; static int dhclient_recv_offer(struct dhcp_client_cookie *cli, uint8_t *data, int len) { struct dhcphdr *dhdr = (struct dhcphdr *) data; uint8_t *nextopt, opt_data[20], opt_type; int opt_len = 20; uint8_t msg_type = 0xFF; if (dhdr->xid != cli->xid) { printf("bad xid\n"); return 0; } if (!is_options_valid(dhdr->options, len - sizeof(struct dhcphdr))) { printf("bad options\n"); return 0; } cli->address = dhdr->yiaddr; opt_type = dhcp_get_next_option(dhdr->options, opt_data, &opt_len, &nextopt); while (opt_type != DHCPOPT_END) { if (opt_type == DHCPOPT_MSGTYPE) msg_type = opt_data[0]; if ((opt_type == DHCPOPT_LEASETIME) && (opt_len == 4)) memcpy(&cli->lease_time, opt_data, 4); if ((opt_type == DHCPOPT_ROUTER) && (opt_len == 4)) memcpy(&cli->gateway, opt_data, 4); if ((opt_type == DHCPOPT_NETMASK) && (opt_len == 4)) memcpy(&cli->netmask, opt_data, 4); if ((opt_type == DHCPOPT_SERVERID) && (opt_len == 4)) memcpy(&cli->server_id, opt_data, 4); opt_len = 20; opt_type = dhcp_get_next_option(NULL, opt_data, &opt_len, &nextopt); } if ((msg_type != DHCP_MSG_OFFER) || !cli->lease_time || !cli->netmask || !cli->server_id ) return 0; return 1; } static int dhclient_recv_ack(struct dhcp_client_cookie *cli, uint8_t *data, int len) { struct dhcphdr *dhdr = (struct dhcphdr *) data; uint8_t *nextopt, opt_data[20], opt_type; int opt_len = 20; uint8_t msg_type = 0xFF; if (dhdr->xid != cli->xid) return 0; if (!is_options_valid(dhdr->options, len - sizeof(struct dhcphdr))) return 0; opt_type = dhcp_get_next_option(dhdr->options, opt_data, &opt_len, &nextopt); while (opt_type != DHCPOPT_END) { if (opt_type == DHCPOPT_MSGTYPE) msg_type = opt_data[0]; opt_len = 20; opt_type = dhcp_get_next_option(NULL, opt_data, &opt_len, &nextopt); } if (msg_type != DHCP_MSG_ACK) return 0; return 1; } static void dhclient_send(struct dhcp_client_cookie *cli, uint8_t msg_type) { uint8_t buf_out[DHCP_DATAGRAM_SIZE] = {0}; struct dhcphdr *dh_out = (struct dhcphdr *) buf_out; int sent = 0; struct timeval now; int i = 0; gettimeofday(&now, NULL); memcpy(dh_out->hwaddr, cli->iface->macaddr, HLEN_ETHER); dh_out->op = DHCP_OP_REQUEST; dh_out->htype = HTYPE_ETHER; dh_out->hlen = HLEN_ETHER; dh_out->xid = cli->xid; dh_out->secs = (msg_type == DHCP_MSG_REQUEST)?0:htons(now.tv_sec - cli->start_time.tv_sec); dh_out->dhcp_magic = DHCPD_MAGIC_COOKIE; /* Option: msg type, len 1 */ dh_out->options[i++] = DHCPOPT_MSGTYPE; dh_out->options[i++] = 1; dh_out->options[i++] = msg_type; if (msg_type == DHCP_MSG_REQUEST) { dh_out->options[i++] = DHCPOPT_REQIP; dh_out->options[i++] = 4; dh_out->options[i++] = (ntohl(cli->address) & 0xFF000000) >> 24; dh_out->options[i++] = (ntohl(cli->address) & 0xFF0000) >> 16; dh_out->options[i++] = (ntohl(cli->address) & 0xFF00) >> 8; dh_out->options[i++] = (ntohl(cli->address) & 0xFF); dh_out->options[i++] = DHCPOPT_SERVERID; dh_out->options[i++] = 4; dh_out->options[i++] = (ntohl(cli->server_id) & 0xFF000000) >> 24; dh_out->options[i++] = (ntohl(cli->server_id) & 0xFF0000) >> 16; dh_out->options[i++] = (ntohl(cli->server_id) & 0xFF00) >> 8; dh_out->options[i++] = (ntohl(cli->server_id) & 0xFF); } /* Option: req list, len 4 */ dh_out->options[i++] = DHCPOPT_PARMLIST; dh_out->options[i++] = 5; dh_out->options[i++] = DHCPOPT_NETMASK; dh_out->options[i++] = DHCPOPT_BCAST; dh_out->options[i++] = DHCPOPT_TIME; dh_out->options[i++] = DHCPOPT_ROUTER; dh_out->options[i++] = DHCPOPT_HOSTNAME; dh_out->options[i] = DHCPOPT_END; sent = vder_udpsocket_sendto_broadcast(cli->socket, buf_out, DHCP_DATAGRAM_SIZE, cli->iface, (uint32_t)(-1), DHCPD_PORT); if (sent < 0) { perror("udp sendto"); } } void dhcp_retry(struct dhcp_client_cookie *client) { const int MAX_RETRY = 5; if (++client->attempt > MAX_RETRY) { gettimeofday(&client->start_time, NULL); client->attempt = 0; client->xid ^= client->start_time.tv_usec ^ client->start_time.tv_sec; } } void *dhcp_client_loop(void *iface) { unsigned char buffer[2000]; int len; struct dhcp_client_cookie client; uint16_t from_port; uint32_t from_ip; memset(&client, 0, sizeof(client)); client.iface = (struct vder_iface *) iface; client.state = DHCPSTATE_DISCOVER; client.socket = vder_udpsocket_open(DHCP_CLIENT_PORT); if (!client.socket) { perror("dhcp client socket"); return NULL; } gettimeofday(&client.start_time, NULL); client.attempt = 0; client.xid = client.start_time.tv_usec ^ client.start_time.tv_sec; if (!client.socket) { return NULL; } while(1) { switch (client.state) { case DHCPSTATE_DISCOVER: dhcp_retry(&client); dhclient_send(&client, DHCP_MSG_DISCOVER); len = vder_udpsocket_recvfrom(client.socket, buffer, 2000, &from_ip, &from_port, 5000); if (len < 0) { perror("udp recv"); return NULL; } if (len > 0) { if (dhclient_recv_offer(&client, buffer, len)) { client.state = DHCPSTATE_REQUEST; } } break; case DHCPSTATE_REQUEST: dhclient_send(&client, DHCP_MSG_REQUEST); len = vder_udpsocket_recvfrom(client.socket, buffer, 2000, &from_ip, &from_port, 10000); if (len < 0) { perror("udp recv"); return NULL; } if (len == 0) break; if (dhclient_recv_ack(&client, buffer, len)) client.state = DHCPSTATE_ACK; else { if (client.address) vder_iface_address_del(client.iface, client.address); client.state = DHCPSTATE_DISCOVER; client.address = 0; client.netmask = 0; client.gateway = 0; } break; case DHCPSTATE_ACK: vder_iface_address_del(client.iface, (uint32_t)-1); vder_iface_address_add(client.iface, client.address, client.netmask); if ((client.gateway != 0) && ((client.gateway & client.netmask) == (client.address & client.netmask))) vder_route_add(0, 0, client.gateway, 1, client.iface); sleep(ntohl(client.lease_time)); client.state = DHCPSTATE_REQUEST; break; default: client.address = 0; client.netmask = 0; client.gateway = 0; client.state = DHCPSTATE_DISCOVER; } } } vde2-2.3.2+r586/src/vde_router/vder_dhcp.h0000644000000000000000000000460013614540472015026 0ustar #ifndef __VDER_DHCPD #define __VDER_DHCPD #include "vder_arp.h" #define DHCPD_PORT (htons(67)) #define DHCP_CLIENT_PORT (htons(68)) #define DHCP_GATEWAY 0x01 #define DHCP_DNS 0x02 struct vder_dhcpd_settings { struct vder_iface *iface; uint32_t my_ip; uint32_t netmask; uint32_t pool_start; uint32_t pool_next; uint32_t pool_end; unsigned long lease_time; uint8_t flags; }; #define DHCP_OP_REQUEST 1 #define DHCP_OP_REPLY 2 #define HTYPE_ETHER 1 #define HLEN_ETHER 6 #define FLAG_BROADCAST (htons(0xF000)) #define DHCPD_MAGIC_COOKIE (htonl(0x63825363)) /* DHCP OPTIONS, RFC2132 */ #define DHCPOPT_PAD 0x00 #define DHCPOPT_NETMASK 0x01 #define DHCPOPT_TIME 0x02 #define DHCPOPT_ROUTER 0x03 #define DHCPOPT_DNS 0x06 #define DHCPOPT_HOSTNAME 0x0c #define DHCPOPT_DOMAINNAME 0x0f #define DHCPOPT_MTU 0x1a #define DHCPOPT_BCAST 0x1c #define DHCPOPT_NETBIOSNS 0x2c #define DHCPOPT_NETBIOSSCOPE 0x2f #define DHCPOPT_REQIP 0x32 #define DHCPOPT_LEASETIME 0x33 #define DHCPOPT_MSGTYPE 0x35 #define DHCPOPT_SERVERID 0x36 #define DHCPOPT_PARMLIST 0x37 #define DHCPOPT_RENEWALTIME 0x3a #define DHCPOPT_REBINDINGTIME 0x3b #define DHCPOPT_DOMAINSEARCH 0x77 #define DHCPOPT_STATICROUTE 0x79 #define DHCPOPT_END 0xFF /* DHCP MESSAGE TYPE */ #define DHCP_MSG_DISCOVER 1 #define DHCP_MSG_OFFER 2 #define DHCP_MSG_REQUEST 3 #define DHCP_MSG_DECLINE 4 #define DHCP_MSG_ACK 5 #define DHCP_MSG_NAK 6 #define DHCP_MSG_RELEASE 7 #define DHCP_MSG_INFORM 8 struct __attribute__((packed)) dhcphdr { uint8_t op; uint8_t htype; uint8_t hlen; uint8_t hops; //zero uint32_t xid; //store this in the request uint16_t secs; // ignore uint16_t flags; uint32_t ciaddr; // client address - if asking for renewal uint32_t yiaddr; // your address (client) uint32_t siaddr; // dhcp offered address uint32_t giaddr; // relay agent, bootp. uint8_t hwaddr[6]; uint8_t hwaddr_padding[10]; char hostname[64]; char bootp_filename[128]; uint32_t dhcp_magic; uint8_t options[0]; }; enum dhcp_negotiation_state { DHCPSTATE_DISCOVER = 0, DHCPSTATE_OFFER, DHCPSTATE_REQUEST, DHCPSTATE_ACK }; struct vder_dhcp_negotiation { struct vder_dhcp_negotiation *next; uint32_t xid; uint8_t hwaddr[6]; uint32_t assigned_address; enum dhcp_negotiation_state state; struct vder_arp_entry *arp; }; void *dhcp_server_loop(void *ptr_iface); void *dhcp_client_loop(void *ptr_iface); #endif vde2-2.3.2+r586/src/vde_router/vder_icmp.c0000644000000000000000000000454513614540472015043 0ustar /* VDE_ROUTER (C) 2007:2011 Daniele Lacamera * * Licensed under the GPLv2 * */ #include "vde_router.h" #include "vde_headers.h" #include "vder_packet.h" #include #include #include #include static int vder_icmp_send(uint32_t dest, uint8_t type, uint8_t code, uint8_t *foot) { struct icmp *ich; struct vde_buff *vdb; uint8_t *dst_footprint; vdb = malloc(sizeof(struct vde_buff) + sizeof(struct vde_ethernet_header) + sizeof(struct iphdr) + 8 + sizeof(struct iphdr) + 8); vdb->len = sizeof(struct vde_ethernet_header) + sizeof(struct iphdr) + 8 + sizeof(struct iphdr) + 8; ich = (struct icmp *)payload(vdb); ich->icmp_type = type; ich->icmp_code = code; ich->icmp_hun.ih_pmtu.ipm_void = 0; ich->icmp_hun.ih_pmtu.ipm_nextmtu = htons(1500); dst_footprint = (uint8_t *)payload(vdb) + 8; memcpy(dst_footprint, foot, sizeof(struct iphdr) + 8); ich->icmp_cksum = 0; ich->icmp_cksum = htons(net_checksum(payload(vdb), vdb->len - sizeof(struct iphdr) - 14)); vdb->priority = 31; vder_packet_send(vdb, dest, PROTO_ICMP); return 0; } /** * Send a ICMP_PROTOCOL_UNREACHABLE if so. * */ int vder_icmp_service_unreachable(uint32_t dst, uint8_t *foot) { return vder_icmp_send(dst, ICMP_UNREACH, ICMP_UNREACH_PROTOCOL, foot); } int vder_icmp_host_unreachable(uint32_t dst, uint8_t *foot) { return vder_icmp_send(dst, ICMP_UNREACH, ICMP_UNREACH_HOST, foot); } int vder_icmp_ttl_expired(uint32_t dst, uint8_t *foot) { return vder_icmp_send(dst, ICMP_TIME_EXCEEDED, ICMP_TIMXCEED_INTRANS, foot); } int vder_icmp_filter(uint32_t dst, uint8_t *foot) { return vder_icmp_send(dst, ICMP_UNREACH, ICMP_UNREACH_FILTER_PROHIB, foot); } /* Parse an incoming icmp packet */ int vder_icmp_recv(struct vde_buff *vdb) { struct icmp *ich; struct iphdr *iph; uint32_t tmp_ipaddr; struct vde_buff *vdb_copy = malloc(vdb->len + sizeof(struct vde_buff)); ich = (struct icmp *) payload(vdb); iph = iphead(vdb); if (ich->icmp_type == ICMP_ECHO){ tmp_ipaddr = iph->saddr; iph->saddr = iph->daddr; iph->daddr = tmp_ipaddr; ich->icmp_type = ICMP_ECHOREPLY; ich->icmp_cksum = 0; ich->icmp_cksum = htons(net_checksum(payload(vdb), vdb->len - sizeof(struct iphdr) - 14)); iph->check = htons(vder_ip_checksum(iph)); } memcpy(vdb_copy, vdb, sizeof(struct vde_buff) + vdb->len); vder_packet_send(vdb_copy, iph->daddr, PROTO_ICMP); return 0; } vde2-2.3.2+r586/src/vde_router/vder_icmp.h0000644000000000000000000000062413614540472015042 0ustar /* VDE_ROUTER (C) 2007:2011 Daniele Lacamera * * Licensed under the GPLv2 * */ #ifndef __VDER_ICMP #define __VDER_ICMP int vder_icmp_service_unreachable(uint32_t dst, uint8_t *foot); int vder_icmp_host_unreachable(uint32_t dst, uint8_t *foot); int vder_icmp_recv(struct vde_buff *vdb); int vder_icmp_filter(uint32_t dst, uint8_t *foot); int vder_icmp_ttl_expired(uint32_t dst, uint8_t *foot); #endif vde2-2.3.2+r586/src/vde_router/vder_olsr.c0000644000000000000000000004554313614540472015075 0ustar /* VDE_ROUTER (C) 2007:2012 Daniele Lacamera * * Time-conversion functions by Julien Duraj * Licensed under the GPLv2 * OLSR implementation loosely based on RFC3626 :) * */ #include "vder_udp.h" #include "vder_arp.h" #include "vder_olsr.h" #include #include #include #include #define OLSR_MSG_INTERVAL 2000 #define DGRAM_MAX_SIZE 1800 #define HOST_NETMASK (htonl(0xFFFFFFFF)) #ifndef MIN # define MIN(a,b) (ab) || ((b - a) > 32768)) static struct vder_udp_socket *udpsock; static struct olsr_setup *settings; uint16_t my_ansn = 0; uint16_t fresh_ansn = 0; struct olsr_route_entry { struct olsr_route_entry *next; long time_left; uint32_t destination; struct olsr_route_entry *gateway; struct vder_iface *iface; uint16_t metric; uint8_t link_type; struct olsr_route_entry *children; uint16_t ansn; uint8_t lq, nlq; uint8_t *advertised_tc; }; static struct olsr_route_entry *Local_interfaces; struct olsr_route_entry *olsr_get_ethentry(struct vder_iface *vif) { struct olsr_route_entry *cur = Local_interfaces; while(cur) { if (cur->iface == vif) return cur; cur = cur->next; } return NULL; } static struct olsr_route_entry *get_next_hop(struct olsr_route_entry *dst) { struct olsr_route_entry *hop = dst; while(hop) { if(hop->metric <= 1) return hop; hop = hop->gateway; } return NULL; } static inline void olsr_route_add(struct olsr_route_entry *el) { struct olsr_route_entry *nexthop; if (fresher(fresh_ansn, my_ansn)) my_ansn = fresh_ansn + 1; else my_ansn++; if (el->gateway) { /* 2-hops route or more */ el->next = el->gateway->children; el->gateway->children = el; nexthop = get_next_hop(el); vder_route_add(el->destination, HOST_NETMASK, nexthop->destination, el->metric, NULL); el->link_type = OLSRLINK_MPR; } else if (el->iface) { /* neighbor */ struct olsr_route_entry *ei = olsr_get_ethentry(el->iface); el->link_type = OLSRLINK_SYMMETRIC; if (ei) { el->next = ei->children; ei->children = el; } } } static inline void olsr_route_del(struct olsr_route_entry *r) { struct olsr_route_entry *cur, *prev = NULL, *lst; if (fresher(fresh_ansn, my_ansn)) my_ansn = fresh_ansn + 1; if (r->gateway) { lst = r->gateway->children; } else if (r->iface) { lst = olsr_get_ethentry(r->iface); } else { lst = Local_interfaces; } cur = lst, prev = NULL; while(cur) { if (cur == r) { /* found */ if (r->gateway) { vder_route_del(r->destination, HOST_NETMASK, r->metric); if (!prev) r->gateway->children = r->next; else prev->next = r->next; } while (r->children) { olsr_route_del(r->children); /* Orphans must die. */ free(r->children); } return; } prev = cur; cur = cur->next; } } static struct olsr_route_entry *get_route_by_address(struct olsr_route_entry *lst, uint32_t ip) { struct olsr_route_entry *found; if(lst) { if (lst->destination == ip) { return lst; } found = get_route_by_address(lst->children, ip); if (found) return found; found = get_route_by_address(lst->next, ip); if (found) return found; } return NULL; } #define OSLR_C 1/16.0 #define DEFAULT_VTIME 288UL uint8_t seconds2olsr(uint32_t seconds) { uint8_t a, b; /* find largest b such as seconds/C >= 2^b */ for (b = 0; b <= 0x0f; b++) { if (seconds * 16 < (1 << b)){ b--; break; } } /* compute the expression 16*(T/(C*(2^b))-1), which may not be a integer, and round it up. This results in the value for 'a' */ a = 16 * (seconds / (OSLR_C * (1 << b)) - 1); /* if 'a' is equal to 16: increment 'b' by one, and set 'a' to 0 */ if (16 == a) { b++; a = 0; } return (a << 4) + b; } uint32_t olsr2seconds(uint8_t olsr) { uint8_t a, b; a = olsr >> 4; b = olsr & 0x0f; return OSLR_C * (1 + a/16.0) * (1 << b); } static void refresh_neighbors(struct vder_iface *iface) { uint32_t neighbors[256]; int i; struct olsr_route_entry *found = NULL, *ancestor = NULL; int n_vec_size = vder_arp_get_neighbors(iface, neighbors, 256); ancestor = olsr_get_ethentry(iface); if (!ancestor) return; for (i = 0; i < n_vec_size; i++) { found = get_route_by_address(Local_interfaces, neighbors[i]); if (found) { if (found->metric > 1) { /* Reposition among neighbors */ olsr_route_del(found); found->gateway = olsr_get_ethentry(iface); found->iface = iface; found->metric = 1; found->lq = 0xFF; found->nlq = 0xFF; olsr_route_add(found); } found->link_type = OLSRLINK_SYMMETRIC; found->time_left = (OLSR_MSG_INTERVAL << 2); } else { struct olsr_route_entry *e = malloc(sizeof (struct olsr_route_entry)); if (!e) { perror("olsr: adding local route entry"); return; } memset(e, 0, sizeof(struct olsr_route_entry)); e->destination = neighbors[i]; e->link_type = OLSRLINK_SYMMETRIC; e->time_left = (OLSR_MSG_INTERVAL << 2); e->gateway = olsr_get_ethentry(iface); e->iface = iface; e->metric = 1; e->lq = 0xFF; e->nlq = 0xFF; olsr_route_add(e); } } } static void olsr_garbage_collector(struct olsr_route_entry *sublist) { if(!sublist) return; if ((sublist->time_left--) <= 0) { olsr_route_del(sublist); free(sublist); return; } olsr_garbage_collector(sublist->children); olsr_garbage_collector(sublist->next); } static void refresh_routes(void) { int i; struct olsr_route_entry *local, *neighbor = NULL; /* Refresh local entries */ /* Step 1: set zero expire time for local addresses and neighbors*/ local = Local_interfaces; while(local) { local->time_left = 0; neighbor = local->children; while (neighbor && (neighbor->metric < 2)) { //printf("Setting to zero. Neigh: %08x metric %d\n", neighbor->destination, neighbor->metric); neighbor->time_left = 0; neighbor = neighbor->next; } local = local->next; } /* Step 2: refresh timer for entries that are still valid. * Add new entries. */ for (i = 0; i < settings->n_ifaces; i++) { struct vder_iface *icur = settings->ifaces[i]; local = olsr_get_ethentry(icur); if (local) { local->time_left = (OLSR_MSG_INTERVAL << 2); } else if (icur->address_list) { struct olsr_route_entry *e = malloc(sizeof (struct olsr_route_entry)); if (!e) { perror("olsr: adding local route entry"); return; } memset(e, 0, sizeof(struct olsr_route_entry)); e->destination = icur->address_list->address; /* Always pick the first address */ e->time_left = (OLSR_MSG_INTERVAL << 2); e->iface = icur; e->metric = 0; e->lq = 0xFF; e->nlq = 0xFF; e->next = Local_interfaces; Local_interfaces = e; } refresh_neighbors(icur); } } static int olsr_build_hello_neighbors(uint8_t *buf, int size) { int ret = 0; struct olsr_route_entry *local, *neighbor; struct olsr_neighbor *dst = (struct olsr_neighbor *) buf; local = Local_interfaces; while (local) { neighbor = local->children; while (neighbor) { struct olsr_link *li = (struct olsr_link *) (buf + ret); li->link_code = neighbor->link_type; li->reserved = 0; li->link_msg_size = htons(sizeof(struct olsr_neighbor) + sizeof(struct olsr_link)); ret += sizeof(struct olsr_link); dst = (struct olsr_neighbor *) (buf+ret); dst->addr = neighbor->destination; dst->nlq = neighbor->nlq; dst->lq = neighbor->lq; dst->reserved = 0; ret += sizeof(struct olsr_neighbor); if (ret >= size) return ret - sizeof(struct olsr_neighbor) - sizeof(struct olsr_link); neighbor = neighbor->next; } local = local->next; } return ret; } static int olsr_build_tc_neighbors(uint8_t *buf, int size) { int ret = 0; struct olsr_route_entry *local, *neighbor; struct olsr_neighbor *dst = (struct olsr_neighbor *) buf; local = Local_interfaces; while (local) { neighbor = local->children; while (neighbor) { dst->addr = neighbor->destination; dst->nlq = neighbor->nlq; dst->lq = neighbor->lq; dst->reserved = 0; ret += sizeof(struct olsr_neighbor); dst = (struct olsr_neighbor *) (buf + ret); if (ret >= size) return ret - sizeof(struct olsr_neighbor); neighbor = neighbor->next; } local = local->next; } return ret; } static int olsr_build_mid(uint8_t *buf, int size, struct vder_iface *excluded) { int ret = 0; struct olsr_route_entry *local; uint32_t *dst = (uint32_t *) buf; local = Local_interfaces; while (local) { if (local->iface != excluded) { *dst = local->destination; ret += sizeof(uint32_t); dst = (uint32_t *) (buf + ret); if (ret >= size) return ret - sizeof(uint32_t); } local = local->next; } return ret; } static uint16_t pkt_counter = 0; static void olsr_make_dgram(struct vder_iface *vif) { uint8_t dgram[DGRAM_MAX_SIZE]; int size = 0, r; struct vder_ip4address *ep; struct olsrhdr *ohdr; uint32_t netmask, bcast; struct olsrmsg *msg_hello, *msg_mid, *msg_tc; struct olsr_hmsg_hello *hello; struct olsr_hmsg_tc *tc; static uint8_t hello_counter = 0, mid_counter = 0, tc_counter = 0; ohdr = (struct olsrhdr *)dgram; size += sizeof(struct olsrhdr); ep = vif->address_list; /* Take first address */ if (!ep) return; netmask = vder_get_netmask(vif, ep->address); bcast = vder_get_broadcast(ep->address, netmask); /* HELLO Message */ msg_hello = (struct olsrmsg *) (dgram + size); size += sizeof(struct olsrmsg); msg_hello->type = OLSRMSG_HELLO; msg_hello->vtime = seconds2olsr(DEFAULT_VTIME); msg_hello->orig = ep->address; msg_hello->ttl = 1; msg_hello->hop = 0; msg_hello->seq = htons(hello_counter++); hello = (struct olsr_hmsg_hello *)(dgram + size); size += sizeof(struct olsr_hmsg_hello); hello->reserved = 0; hello->htime = 0x05; /* Todo: find and define values */ hello->willingness = 0x07; r = olsr_build_hello_neighbors(dgram + size, DGRAM_MAX_SIZE - size); if (r < 0) { perror("Building hello message"); return; } size += r; msg_hello->size = htons(sizeof(struct olsrmsg) + sizeof(struct olsr_hmsg_hello) + r); /* MID Message */ msg_mid = (struct olsrmsg *)(dgram + size); size += sizeof(struct olsrmsg); msg_mid->type = OLSRMSG_MID; msg_mid->vtime = seconds2olsr(60); msg_mid->orig = ep->address; msg_mid->ttl = 0xFF; msg_mid->hop = 0; msg_mid->seq = htons(mid_counter++); r = olsr_build_mid(dgram + size, DGRAM_MAX_SIZE - size, vif); if (r < 0) { perror("Building mid message"); return; } if (r == 0) { size -= sizeof(struct olsrmsg); } else { size += r; msg_mid->size = htons(sizeof(struct olsrmsg) + r); } msg_tc = (struct olsrmsg *) (dgram + size); size += sizeof(struct olsrmsg); msg_tc->type = OLSRMSG_TC; msg_tc->vtime = seconds2olsr(DEFAULT_VTIME); msg_tc->orig = ep->address; msg_tc->ttl = 0xFF; msg_tc->hop = 0; msg_tc->seq = htons(tc_counter++); tc = (struct olsr_hmsg_tc *)(dgram + size); size += sizeof(struct olsr_hmsg_tc); tc->ansn = htons(my_ansn); r = olsr_build_tc_neighbors(dgram + size, DGRAM_MAX_SIZE - size); if (r < 0) { perror("Building tc message"); return; } size += r; msg_tc->size = htons(sizeof(struct olsrmsg) + sizeof(struct olsr_hmsg_tc) + r); /* Finalize olsr packet */ ohdr->len = htons(size); ohdr->seq = htons(pkt_counter++); /* Send the thing out */ if ( 0 > vder_udpsocket_sendto_broadcast(udpsock, dgram, size, vif, bcast, OLSR_PORT) ) { perror("olsr send"); } } static inline void arp_storm(uint32_t addr) { int i; for (i = 0; i < settings->n_ifaces; i++) { vder_arp_query(settings->ifaces[i], addr); } } static void recv_mid(uint8_t *buffer, int len, struct olsr_route_entry *origin) { int parsed = 0; uint32_t *address; struct olsr_route_entry *e; if (len % sizeof(uint32_t)) /*drop*/ return; while (len > parsed) { address = (uint32_t *)(buffer + parsed); e = get_route_by_address(Local_interfaces, *address); if (!e) { e = malloc(sizeof(struct olsr_route_entry)); if (!e) { perror("olsr allocating route"); return; } memset(e, 0, sizeof(struct olsr_route_entry)); e->time_left = (OLSR_MSG_INTERVAL << 2); e->destination = *address; e->gateway = origin; e->iface = origin->iface; e->metric = origin->metric + 1; e->lq = origin->lq; e->nlq = origin->nlq; olsr_route_add(e); arp_storm(e->destination); } else if (e->metric > (origin->metric + 1)) { olsr_route_del(e); e->metric = origin->metric; e->gateway = origin; olsr_route_add(e); } parsed += sizeof(uint32_t); } } static void recv_hello(uint8_t *buffer, int len, struct olsr_route_entry *origin) { struct olsr_link *li; struct olsr_route_entry *e; int parsed = 0; struct olsr_neighbor *neigh; if (!origin) return; while (len > parsed) { li = (struct olsr_link *) buffer; neigh = (struct olsr_neighbor *)(buffer + parsed + sizeof(struct olsr_link)); parsed += ntohs(li->link_msg_size); e = get_route_by_address(Local_interfaces, neigh->addr); if (!e) { e = malloc(sizeof(struct olsr_route_entry)); if (!e) { perror("olsr allocating route"); return; } memset(e, 0, sizeof(struct olsr_route_entry)); e->time_left = (OLSR_MSG_INTERVAL << 2); e->destination = neigh->addr; e->gateway = origin; e->iface = origin->iface; e->metric = origin->metric + 1; e->link_type = OLSRLINK_UNKNOWN; e->lq = MIN(origin->lq, neigh->lq); e->nlq = MIN(origin->nlq, neigh->nlq); olsr_route_add(e); arp_storm(e->destination); } else if ((e->gateway != origin) && (e->metric > (origin->metric + 1))) { olsr_route_del(e); e->metric = origin->metric + 1; e->gateway = origin; olsr_route_add(e); } } } static int reconsider_topology(uint8_t *buf, int size, struct olsr_route_entry *e) { struct olsr_hmsg_tc *tc = (struct olsr_hmsg_tc *) buf; uint16_t new_ansn = ntohs(tc->ansn); int parsed = sizeof(struct olsr_hmsg_tc); struct olsr_route_entry *rt; struct olsr_neighbor *n; if (e->advertised_tc && fresher(new_ansn, e->ansn)) { free(e->advertised_tc); e->advertised_tc = NULL; } if (fresher(new_ansn, fresh_ansn)) { fresh_ansn = new_ansn; } if (!e->advertised_tc) { e->advertised_tc = malloc(size); if (!e) { perror("Allocating forward packet"); return -1; } memcpy(e->advertised_tc, buf, size); e->ansn = new_ansn; while (parsed < size) { n = (struct olsr_neighbor *) (buf + parsed); parsed += sizeof(struct olsr_neighbor); rt = get_route_by_address(Local_interfaces, n->addr); if (rt && (rt->gateway == e)) { /* Refresh existing node */ rt->time_left = e->time_left; } else if (!rt || (rt->metric > (e->metric + 1)) || (rt->nlq < n->nlq)) { if (!rt) { rt = malloc(sizeof (struct olsr_route_entry)); memset(rt, 0, sizeof(struct olsr_route_entry)); rt->destination = n->addr; } else { olsr_route_del(rt); } rt->link_type = OLSRLINK_UNKNOWN; rt->iface = e->iface; rt->gateway = e; rt->metric = e->metric + 1; rt->lq = n->lq; rt->nlq = n->nlq; rt->time_left = e->time_left; olsr_route_add(rt); } } return 1; } else { return 0; } } static void olsr_recv(uint8_t *buffer, int len) { struct olsrmsg *msg; struct olsrhdr *outohdr, *oh = (struct olsrhdr *) buffer; struct olsr_route_entry *ancestor; int parsed = 0; uint8_t outmsg[DGRAM_MAX_SIZE]; int outsize = 0; if (len != ntohs(oh->len)) { return; } parsed += sizeof(struct olsrhdr); outohdr = (struct olsrhdr *)outmsg; outsize += sizeof(struct olsrhdr); while (len > parsed) { struct olsr_route_entry *origin; msg = (struct olsrmsg *) (buffer + parsed); origin = get_route_by_address(Local_interfaces, msg->orig); if (!origin) { /* Discard this msg while it is not from known host */ arp_storm(msg->orig); parsed += ntohs(msg->size); continue; } /* We know this is a Master host and a neighbor */ origin->link_type = OLSRLINK_MPR; origin->time_left = olsr2seconds(msg->vtime); switch(msg->type) { case OLSRMSG_HELLO: ancestor = olsr_get_ethentry(origin->iface); if ((origin->metric > 1) && ancestor) { olsr_route_del(origin); origin->gateway = ancestor; origin->metric = 1; olsr_route_add(origin); } recv_hello(buffer + parsed + sizeof(struct olsrmsg) + sizeof(struct olsr_hmsg_hello), ntohs(msg->size) - (sizeof(struct olsrmsg)) - sizeof(struct olsr_hmsg_hello), origin); msg->ttl = 0; break; case OLSRMSG_MID: recv_mid(buffer + parsed + sizeof(struct olsrmsg), ntohs(msg->size) - (sizeof(struct olsrmsg)), origin); break; case OLSRMSG_TC: if (reconsider_topology(buffer + parsed + sizeof(struct olsrmsg), ntohs(msg->size) - (sizeof(struct olsrmsg)), origin) < 1) msg->ttl = 0; else { msg->hop = origin->metric; } break; default: return; } if ((--msg->ttl) > 0) { memcpy(outmsg + outsize, msg, ntohs(msg->size)); outsize += ntohs(msg->size); } parsed += ntohs(msg->size); } if (outsize > sizeof(struct olsrhdr)) { int j; uint32_t netmask, bcast; struct vder_ip4address *addr; struct vder_iface *vif; /* Finalize FWD packet */ outohdr->len = htons(outsize); outohdr->seq = htons(pkt_counter++); /* Send the thing out */ for (j = 0; j < settings->n_ifaces; j++) { vif = settings->ifaces[j]; addr = vif->address_list; /* Take first address */ if (!addr) continue; netmask = vder_get_netmask(vif, addr->address); bcast = vder_get_broadcast(addr->address, netmask); if ( 0 > vder_udpsocket_sendto_broadcast(udpsock, outmsg, outsize, vif, bcast, OLSR_PORT) ) { perror("olsr send"); } } } } void *vder_olsr_loop(void *olsr_settings) { uint32_t from_ip; uint16_t from_port; unsigned char buffer[DGRAM_MAX_SIZE]; int len; int i; struct timeval now, last_out; settings = (struct olsr_setup *) olsr_settings; if(settings->n_ifaces <= 0) return NULL; if (!udpsock) udpsock = vder_udpsocket_open(OLSR_PORT); if (!udpsock) return NULL; for (i = 0; i < settings->n_ifaces; i++) { struct vder_ip4address *a = settings->ifaces[i]->address_list; while(a) { struct olsr_route_entry *e = malloc(sizeof(struct olsr_route_entry)); if (!e) { perror("initializing interfaces"); return NULL; } memset(e, 0, sizeof(struct olsr_route_entry)); e->destination = a->address; e->link_type = OLSRLINK_SYMMETRIC; e->time_left = (OLSR_MSG_INTERVAL << 2); e->gateway = NULL; e->iface = settings->ifaces[i]; e->metric = 0; e->lq = 0xFF; e->nlq = 0xFF; e->next = Local_interfaces; Local_interfaces = e; a = a->next; } } gettimeofday(&last_out, NULL); refresh_routes(); while(1) { len = vder_udpsocket_recvfrom(udpsock, buffer, DGRAM_MAX_SIZE, &from_ip, &from_port, 100); if (len < 0) { perror("udp recv"); return NULL; } if ((len > 0) && (from_port == OLSR_PORT)) { olsr_recv(buffer, len); } usleep(200000); gettimeofday(&now, NULL); if (last_out.tv_sec == now.tv_sec) continue; /* Remove expired entries */ olsr_garbage_collector(Local_interfaces); refresh_routes(); last_out = now; for (i = 0; i < settings->n_ifaces; i++) olsr_make_dgram(settings->ifaces[i]); } } vde2-2.3.2+r586/src/vde_router/vder_olsr.h0000644000000000000000000000204413614540472015067 0ustar #ifndef __VDER_OLSR #define __VDER_OLSR #include "vder_arp.h" #include "vde_router.h" #define OLSR_PORT (htons(698)) #define OLSRMSG_HELLO 0xc9 #define OLSRMSG_MID 0x03 #define OLSRMSG_TC 0xca #define OLSRLINK_SYMMETRIC 0x06 #define OLSRLINK_UNKNOWN 0x08 #define OLSRLINK_MPR 0x0a struct __attribute__((packed)) olsr_link { uint8_t link_code; uint8_t reserved; uint16_t link_msg_size; }; struct __attribute__((packed)) olsr_neighbor { uint32_t addr; uint8_t lq; uint8_t nlq; uint16_t reserved; }; struct __attribute__((packed)) olsr_hmsg_hello { uint16_t reserved; uint8_t htime; uint8_t willingness; }; struct __attribute__((packed)) olsr_hmsg_tc { uint16_t ansn; uint16_t reserved; }; struct __attribute__((packed)) olsrmsg { uint8_t type; uint8_t vtime; uint16_t size; uint32_t orig; uint8_t ttl; uint8_t hop; uint16_t seq; }; struct __attribute__((packed)) olsrhdr { uint16_t len; uint16_t seq; }; struct olsr_setup { int n_ifaces; struct vder_iface *ifaces[64]; }; void *vder_olsr_loop(void *olsr_setup); #endif vde2-2.3.2+r586/src/vde_router/vder_packet.c0000644000000000000000000001235513614540472015360 0ustar /* VDE_ROUTER (C) 2007:2011 Daniele Lacamera * * Licensed under the GPLv2 * */ #include "vder_datalink.h" #include "vder_arp.h" #include "vder_icmp.h" #include "vder_udp.h" #include #include #include #include #include #include #include #define MAX_PACKET_SIZE 2000 char *vder_ntoa(uint32_t addr) { struct in_addr a; char *res; a.s_addr = addr; res = inet_ntoa(a); return res; } /* * Forward the ip packet to next hop. TTL is decreased, * checksum is set again for coherence, and TTL overdue * packets are not forwarded. */ int vder_ip_decrease_ttl(struct vde_buff *vdb){ struct iphdr *iph=iphead(vdb); iph->ttl--; iph->check++; if(iph->ttl < 1) return -1; /* TODO: send ICMP with TTL expired */ else return 0; } /** * Calculate checksum of a given string */ uint16_t net_checksum(void *inbuf, int len) { uint8_t *buf = (uint8_t *) inbuf; uint32_t sum = 0, carry=0; int i=0; for(i=0; i>16; sum = (sum&0x0000FFFF); return (uint16_t) ~(sum + carry) ; } /** * Calculate ip-header checksum. it's a wrapper for checksum(); */ uint16_t vder_ip_checksum(struct iphdr *iph) { iph->check = 0U; return net_checksum((uint8_t*)iph,sizeof(struct iphdr)); } #define DEFAULT_TTL 64 int vder_ip_input(struct vde_buff *vb) { struct iphdr *iph = iphead(vb); int recvd = 0; int is_broadcast = vder_ipaddress_is_broadcast(iph->daddr); if (!vder_ipaddress_is_local(iph->daddr) && !is_broadcast) return 0; switch(iph->protocol) { case PROTO_ICMP: vder_icmp_recv(vb); recvd=1; break; case PROTO_UDP: if (vder_udp_recv(vb) == 1) recvd=1; break; } if (!recvd && !is_broadcast) vder_icmp_service_unreachable((uint32_t)iph->saddr, footprint(vb)); return 1; } int vder_packet_send(struct vde_buff *vdb, uint32_t dst_ip, uint8_t protocol) { struct iphdr *iph=iphead(vdb); struct vde_ethernet_header *eth = ethhead(vdb); struct vder_route *ro; struct vder_arp_entry *ae; uint32_t destination = dst_ip; eth->buftype = htons(PTYPE_IP); memset(iph,0x45,1); iph->tos = 0; iph->frag_off=htons(0x4000); // Don't fragment. iph->tot_len = htons(vdb->len - sizeof(struct vde_ethernet_header)); iph->id = 0; iph->protocol = protocol; iph->ttl = DEFAULT_TTL; iph->daddr = dst_ip; ro = vder_get_route(dst_ip); if (!ro) return -1; if (ro->gateway != 0) { destination = ro->gateway; } iph->saddr = vder_get_right_localip(ro->iface, destination); iph->check = htons(vder_ip_checksum(iph)); ae = vder_get_arp_entry(ro->iface, destination); if (!ae) { vder_arp_query(ro->iface, destination); return -1; } return vder_sendto(ro->iface, vdb, ae->macaddr); } int vder_packet_broadcast(struct vde_buff *vdb, struct vder_iface *iface, uint32_t dst_ip, uint8_t protocol) { struct iphdr *iph=iphead(vdb); struct vde_ethernet_header *eth = ethhead(vdb); uint8_t bcast_macaddr[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}; eth->buftype = htons(PTYPE_IP); memset(iph,0x45,1); iph->tos = 0; iph->frag_off=htons(0x4000); // Don't fragment. iph->tot_len = htons(vdb->len - sizeof(struct vde_ethernet_header)); iph->id = 0; iph->protocol = protocol; iph->ttl = DEFAULT_TTL; iph->daddr = dst_ip; if (dst_ip != (htonl((uint32_t) -1))) iph->saddr = vder_get_right_localip(iface, iph->daddr); else iph->saddr = 0; iph->check = htons(vder_ip_checksum(iph)); return vder_sendto(iface, vdb, bcast_macaddr); } void vder_packet_recv(struct vder_iface *vif, int timeout) { struct pollfd pfd; int pollr; struct vde_buff *vb = NULL, *packet = NULL; char temp_buffer[MAX_PACKET_SIZE]; pfd.events = POLLIN; pfd.fd = vde_datafd(vif->vdec); pollr = poll(&pfd, 1, timeout); if (pollr <= 0) return; vb = (struct vde_buff *) temp_buffer; if (vder_recv(vif, vb, MAX_PACKET_SIZE - sizeof(struct vde_buff)) >= 0) { struct vde_ethernet_header *eth = ethhead(vb); /* 1. Filter out packets that are not for us */ if (memcmp(eth->dst, vif->macaddr, 6) && memcmp(eth->dst, ETH_BCAST, 6) ) { return; } if (ntohs(eth->buftype) == PTYPE_ARP) { /* Parse ARP information */ vder_parse_arp(vif, vb); } else if (ntohs(eth->buftype) == PTYPE_IP) { if (vder_filter(vb)) { return; } /* If there is some interesting payload, allocate a packet buffer */ packet = malloc(vb->len + sizeof(struct vde_buff)); if (!packet) return; memcpy(packet, vb, vb->len + sizeof(struct vde_buff)); /** TODO: input packet filter here **/ packet->priority = PRIO_BESTEFFORT; if (vder_ip_input(packet)) { /* If the packet is for us, process it here. */ //free(packet); return; } else { struct iphdr *hdr = iphead(packet); uint32_t sender = hdr->saddr; uint8_t foot[sizeof(hdr) + 8]; memcpy(foot, footprint(packet), sizeof(struct iphdr) + 8); if (vder_ip_decrease_ttl(packet)) { vder_icmp_ttl_expired(sender, foot); return; } if (vder_packet_send(packet, hdr->daddr, hdr->protocol) < 0) { vder_icmp_host_unreachable(sender, foot); return; } else { /* success, packet is routed. */ return; } } } else { /** buffer type not supported. **/ /** place your IPV6 code here :) **/ } } } vde2-2.3.2+r586/src/vde_router/vder_packet.h0000644000000000000000000000102113614540472015351 0ustar /* VDE_ROUTER (C) 2007:2011 Daniele Lacamera * * Licensed under the GPLv2 * */ #ifndef _VDER_PACKET #define _VDER_PACKET #define DEFAULT_TTL 64 uint16_t vder_ip_checksum(struct iphdr *iph); void vder_packet_recv(struct vder_iface *vif, int timeout); uint16_t net_checksum(void *inbuf, int len); int vder_packet_send(struct vde_buff *vdb, uint32_t dst_ip, uint8_t protocol); int vder_packet_broadcast(struct vde_buff *vdb, struct vder_iface *iface, uint32_t dst_ip, uint8_t protocol); char *vder_ntoa(uint32_t addr); #endif vde2-2.3.2+r586/src/vde_router/vder_queue.c0000644000000000000000000001035313614540472015231 0ustar /* VDE_ROUTER (C) 2007:2011 Daniele Lacamera * * Licensed under the GPLv2 * */ #include "vder_queue.h" #include "vde_router.h" #include void enqueue(struct vder_queue *q, struct vde_buff *b) { pthread_mutex_lock(&q->lock); if (!q->may_enqueue(q, b)) { free(b); pthread_mutex_unlock(&q->lock); return; } b->next = NULL; if (!q->head) { q->head = b; q->tail = b; } else { q->tail->next = b; q->tail = b; } q->size += b->len; q->n++; pthread_mutex_unlock(&q->lock); if (q->policy != QPOLICY_TOKEN) { if (q->type != QTYPE_PRIO) sem_post(&q->semaphore); else sem_post(q->prio_semaphore); } } struct vde_buff *prio_dequeue(struct vder_iface *vif) { struct vder_queue *q; int i; struct vde_buff *ret = NULL; sem_wait(&vif->prio_semaphore); for (i = 0; i < PRIO_NUM; i++) { q = &(vif->prio_q[i]); pthread_mutex_lock(&q->lock); if (q->size == 0){ pthread_mutex_unlock(&q->lock); continue; } if (q->n) { ret = q->head; q->head = ret->next; q->n--; q->size -= ret->len; if (q->n == 0) { q->tail = NULL; q->head = NULL; } pthread_mutex_unlock(&q->lock); break; } pthread_mutex_unlock(&q->lock); } return ret; } struct vde_buff *dequeue(struct vder_queue *q) { struct vde_buff *ret = NULL; if (q->type != QTYPE_PRIO) sem_wait(&q->semaphore); else return NULL; pthread_mutex_lock(&q->lock); if (q->n) { ret = q->head; q->head = ret->next; q->n--; q->size -= ret->len; if (q->n == 0) { q->tail = NULL; q->head = NULL; } } pthread_mutex_unlock(&q->lock); return ret; } /* Unlimited policy */ int qunlimited_may_enqueue(struct vder_queue *q, struct vde_buff *b) { return 1; } void qunlimited_setup(struct vder_queue *q) { pthread_mutex_lock(&q->lock); if (q->policy == QPOLICY_TOKEN) { vder_timed_dequeue_del(q); } q->policy = QPOLICY_UNLIMITED; q->may_enqueue = qunlimited_may_enqueue; pthread_mutex_unlock(&q->lock); } /* Fifo policy */ int qfifo_may_enqueue(struct vder_queue *q, struct vde_buff *b) { if (q->policy_opt.fifo.limit > q->size) return 1; else { q->policy_opt.fifo.stats_drop++; return 0; } } void qfifo_setup(struct vder_queue *q, uint32_t limit) { pthread_mutex_lock(&q->lock); if (q->policy == QPOLICY_TOKEN) { vder_timed_dequeue_del(q); } q->policy = QPOLICY_FIFO; q->policy_opt.fifo.limit = limit; q->policy_opt.fifo.stats_drop = 0; q->may_enqueue = qfifo_may_enqueue; pthread_mutex_unlock(&q->lock); } /* Random early detection */ int qred_may_enqueue(struct vder_queue *q, struct vde_buff *b) { double red_probability; if (q->policy_opt.red.min > q->size) { return 1; } else if (q->policy_opt.red.max > q->size) { red_probability = q->policy_opt.red.P * ((double)q->size - (double)q->policy_opt.red.min / ((double)q->policy_opt.red.max - (double)q->policy_opt.red.min)); } else if (q->policy_opt.red.limit > q->size) { red_probability = q->policy_opt.red.P; } else { q->policy_opt.red.stats_drop++; return 0; } if (drand48() < red_probability) { q->policy_opt.red.stats_probability_drop++; return 0; } return 1; } void qred_setup(struct vder_queue *q, uint32_t min, uint32_t max, double P, uint32_t limit) { pthread_mutex_lock(&q->lock); if (q->policy == QPOLICY_TOKEN) { vder_timed_dequeue_del(q); } q->policy = QPOLICY_RED; q->policy_opt.red.min = min; q->policy_opt.red.max = max; q->policy_opt.red.P = P; q->policy_opt.red.limit = limit; q->policy_opt.red.stats_drop = 0; q->policy_opt.red.stats_probability_drop = 0; q->may_enqueue = qred_may_enqueue; pthread_mutex_unlock(&q->lock); } #define IDEAL_PACKET_SIZE 1500 int qtoken_may_enqueue(struct vder_queue *q, struct vde_buff *b) { if (q->policy_opt.token.limit > q->size) return 1; else { q->policy_opt.token.stats_drop++; return 0; } } void qtoken_setup(struct vder_queue *q, uint32_t bitrate, uint32_t limit) { pthread_mutex_lock(&q->lock); q->policy_opt.token.interval = (1000000 * IDEAL_PACKET_SIZE) / ((bitrate >> 3)); q->policy_opt.token.limit = limit; q->policy_opt.token.stats_drop = 0U; if (q->policy == QPOLICY_TOKEN) { vder_timed_dequeue_del(q); } q->policy = QPOLICY_TOKEN; vder_timed_dequeue_add(q, q->policy_opt.token.interval); q->may_enqueue = qtoken_may_enqueue; pthread_mutex_unlock(&q->lock); } vde2-2.3.2+r586/src/vde_router/vder_queue.h0000644000000000000000000000172013614540472015234 0ustar /* VDE_ROUTER (C) 2007:2011 Daniele Lacamera * * Licensed under the GPLv2 * */ #ifndef __VDER_QUEUE #define __VDER_QUEUE #include #include "vde_router.h" #include "vder_datalink.h" void enqueue(struct vder_queue *q, struct vde_buff *b); struct vde_buff *prio_dequeue(struct vder_iface *vif); struct vde_buff *dequeue(struct vder_queue *q); void qunlimited_setup(struct vder_queue *q); void qfifo_setup(struct vder_queue *q, uint32_t limit); void qred_setup(struct vder_queue *q, uint32_t min, uint32_t max, double P, uint32_t limit); void qtoken_setup(struct vder_queue *q, uint32_t bitrate, uint32_t limit); int qunlimited_may_enqueue(struct vder_queue *q, struct vde_buff *b); int qunlimited_may_dequeue(struct vder_queue *q); int qfifo_may_enqueue(struct vder_queue *q, struct vde_buff *b); int qfifo_may_dequeue(struct vder_queue *q); int qred_may_enqueue(struct vder_queue *q, struct vde_buff *b); int qred_may_dequeue(struct vder_queue *q); #endif vde2-2.3.2+r586/src/vde_router/vder_udp.c0000644000000000000000000000761113614540472014700 0ustar #include "vder_udp.h" #include #include /* UDP header, rfc 768 */ struct __attribute__((packed)) udphdr { uint16_t sport, dport, len, crc; }; static struct vder_udp_socket *socket_list = NULL; /* interface toward the router */ int vder_udp_recv(struct vde_buff *buf) { struct vder_udp_socket *cur = socket_list; int found = 0; struct vde_buff *copy = NULL; uint16_t port = transport_dport(buf); while(cur) { if (cur->port == port) { if (!found) { enqueue(&cur->inq, buf); found = 1; } else { copy = malloc(sizeof(struct vde_buff) + buf->len); if (!copy) break; memcpy(copy, buf, sizeof(struct vde_buff) + buf->len); enqueue(&cur->inq, copy); } } cur = cur->next; } return found; } struct vder_udp_socket *vder_udpsocket_open(uint16_t port) { struct vder_udp_socket *vu; if (port == 0) { errno = EINVAL; return NULL; } vu = malloc(sizeof(struct vder_udp_socket)); if (!vu) return NULL; memset(&vu->inq, 0, sizeof(struct vder_queue)); pthread_mutex_init(&vu->inq.lock, NULL); qfifo_setup(&vu->inq, UDPSOCK_BUFFER_SIZE); vu->port = port; vu->next = socket_list; socket_list = vu; return vu; } void vder_udp_close(struct vder_udp_socket *sock) { struct vder_udp_socket *prev = NULL, *cur = socket_list; while(cur) { if (cur == sock) { if (!prev) { socket_list = cur->next; } else { prev->next = cur->next; } free(sock); return; } prev = cur; cur = cur->next; } } int vder_udpsocket_sendto(struct vder_udp_socket *sock, void *data, size_t len, uint32_t dst, uint16_t dstport) { struct vde_buff *b; struct udphdr *uh; uint8_t *datagram; struct vder_route *ro; int bufsize; if (len <= 0) { errno = EINVAL; return -1; } len += sizeof(struct udphdr); ro = vder_get_route(dst); if (!ro) { errno = EHOSTUNREACH; return -1; } bufsize = sizeof(struct vde_buff) + sizeof(struct vde_ethernet_header) + sizeof(struct iphdr) + sizeof(struct udphdr) + len; b = malloc(bufsize); if (!b) return -1; b->len = bufsize - sizeof(struct vde_buff); b->src = NULL; b->priority = PRIO_BESTEFFORT; uh = (struct udphdr *) payload(b); datagram = (uint8_t *)((payload(b) + sizeof(struct udphdr))); memcpy(datagram, data, len); uh->sport = sock->port; uh->dport = dstport; uh->len = htons(len); uh->crc = 0; vder_packet_send(b, dst, PROTO_UDP); return len; } int vder_udpsocket_sendto_broadcast(struct vder_udp_socket *sock, void *data, size_t len, struct vder_iface *iface, uint32_t dst, uint16_t dstport) { struct vde_buff *b; struct udphdr *uh; uint8_t *datagram; int bufsize; if (len <= 0) { errno = EINVAL; return -1; } len += sizeof(struct udphdr); bufsize = sizeof(struct vde_buff) + sizeof(struct vde_ethernet_header) + sizeof(struct iphdr) + sizeof(struct udphdr) + len; b = malloc(bufsize); if (!b) return -1; b->len = bufsize - sizeof(struct vde_buff); b->src = NULL; b->priority = PRIO_BESTEFFORT; uh = (struct udphdr *) payload(b); datagram = (uint8_t *)((payload(b) + sizeof(struct udphdr))); memcpy(datagram, data, len); uh->sport = sock->port; uh->dport = dstport; uh->len = htons(len); uh->crc = 0; vder_packet_broadcast(b, iface, dst, PROTO_UDP); return len; } int vder_udpsocket_recvfrom(struct vder_udp_socket *sock, void *data, size_t len, uint32_t *from, uint16_t *fromport, int timeout) { struct vde_buff *b; struct udphdr *uh; uint8_t *datagram; if (len <= 0) { errno = EINVAL; return -1; } while ((timeout > 0) && (sock->inq.n == 0)) { usleep(10000); timeout -= 10; if (timeout < 0) timeout = 0; } if ((timeout == 0) && (sock->inq.n == 0)) { return 0; } do { b = dequeue(&sock->inq); } while(!b); uh = (struct udphdr *) payload(b); datagram = (uint8_t *)(payload(b) + sizeof(struct udphdr)); if (ntohs(uh->len) < len) len = ntohs(uh->len) - sizeof (struct udphdr); memcpy(data, datagram, len); *fromport = uh->sport; return len; } vde2-2.3.2+r586/src/vde_router/vder_udp.h0000644000000000000000000000200613614540472014676 0ustar #include "vde_headers.h" #include "vde_router.h" #include "vder_queue.h" #include "vder_datalink.h" #include "vder_packet.h" #include #include #include #include #ifndef __VDER_UDP_H #define __VDER_UDP_H struct vder_udp_socket { struct vder_udp_socket *next; uint16_t port; struct vder_queue inq; }; #define UDPSOCK_BUFFER_SIZE 1024 * 16 struct vder_udp_socket *get_by_port(uint16_t port); /* interface toward the router */ int vder_udp_recv(struct vde_buff *buf); struct vder_udp_socket *vder_udpsocket_open(uint16_t port); void vder_udp_close(struct vder_udp_socket *sock); int vder_udpsocket_sendto(struct vder_udp_socket *sock, void *data, size_t len, uint32_t dst, uint16_t dstport); int vder_udpsocket_sendto_broadcast(struct vder_udp_socket *sock, void *data, size_t len, struct vder_iface *iface, uint32_t dst, uint16_t dstport); int vder_udpsocket_recvfrom(struct vder_udp_socket *sock, void *data, size_t len, uint32_t *from, uint16_t *fromport, int timeout); #endif vde2-2.3.2+r586/src/vde_switch/0000755000000000000000000000000013614540472012700 5ustar vde2-2.3.2+r586/src/vde_switch/Makefile.am0000644000000000000000000000142013614540472014731 0ustar bin_PROGRAMS = vde_switch vde_switch_SOURCES = \ hash.c \ hash.h \ port.c \ port.h \ vde_switch.c \ switch.h \ sockutils.c \ sockutils.h \ qtimer.c \ qtimer.h \ datasock.c \ datasock.h \ consmgmt.c \ consmgmt.h \ fstp.c \ fstp.h \ packetq.c \ packetq.h \ bitarray.h \ tuntap.c \ tuntap.h vde_switch_LDADD = $(top_builddir)/src/common/libvdecommon.la AM_CPPFLAGS = -I$(top_srcdir)/include AM_CFLAGS = -Wall if ENABLE_PROFILE AM_CFLAGS += -pg --coverage AM_LDFLAGS = -pg --coverage endif if DARWIN_GCC EXP_CFLAGS = -dynamic else EXP_CFLAGS = -rdynamic endif DIST_SUBDIRS = plugins if ENABLE_EXPERIMENTAL SUBDIRS = plugins AM_CFLAGS += $(EXP_CFLAGS) AM_CPPFLAGS += -DDEBUGOPT -DPORTCOUNTERS -DVDEPLUGIN -DPLUGINS_DIR=\"$(pkglibdir)/plugins\" endif vde2-2.3.2+r586/src/vde_switch/Makefile.in0000644000000000000000000006216513614540472014757 0ustar # Makefile.in generated by automake 1.14.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2013 Free Software Foundation, Inc. # This Makefile.in is free software; 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install-pdf install-pdf-am install-ps install-ps-am \ install-strip installcheck installcheck-am installdirs \ installdirs-am maintainer-clean maintainer-clean-generic \ mostlyclean mostlyclean-compile mostlyclean-generic \ mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \ uninstall-am uninstall-binPROGRAMS # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: vde2-2.3.2+r586/src/vde_switch/bitarray.h0000644000000000000000000002245213614540472014673 0ustar /* BITARRAY (C) 2005 Renzo Davoli * Licensed under the GPLv2 * Modified by Ludovico Gardenghi 2005 * * A bitarray is (a pointer to) an array of memory words, can be used as a set. * +--------------------------------+--------------------------------+---- * |33222222222211111111110000000000|66665555555555444444444433333333|999... * |10987654321098765432109876543210|32109876543210987654321098765432|543... * +--------------------------------+--------------------------------+---- * * e.g. bit number 33 is the second LSB of the second word (in a 32 bit machine) * * bitarrays must be allocated bu ba_alloc * ba_realloc must know the old and the new size of the bitarray * ba_check checks a bit (returns 0 if cleared, some value != 0 it set) * ba_set sets a bit * ba_clr clears a bit * ba_FORALL computes an expression for each set bit, * K is an integer var, must be defined in advance. * it is the number of the set bit when the expression is evaluated * ba_FORALLFUN calls a function: first arg the index, second arg is ARG * ba_card counts how many bits are set * * bac_ functions allocate one more trailing word to the bit array to store * the cardinality of the set (# of set bits). * This is useful when dealing with large sparse maybe empy sets. * bac_set/CLEAR are slightly more expensive but * all the FORALL functions shortcut as soon as no more elements can be found. * If the set is empty the BAC FORALL macros exit immediately. * *** warning in case of memory leak may loop or segfault if the cardinality is * overwritten *** * * Macro summary * * #define ba_alloc(N) * #define ba_realloc(B,N,M) * #define ba_check(X,I) * #define ba_set(X,I) * #define ba_clr(X,I) * #define ba_zap(X,N) * #define ba_FORALLFUN(X,N,F,ARG) * #define ba_FORALL(X,N,EXPR,K) * #define ba_card(X,N) * #define ba_empty(X,N) * #define ba_copy(DST,SRC,N) *** MUST HAVE THE SAME SIZE * #define ba_add(DST,SRC,N) *** MUST HAVE THE SAME SIZE * #define ba_remove(DST,SRC,N) *** MUST HAVE THE SAME SIZE * #define ba_negate(X,N) * * #define bac_alloc(N) * #define bac_realloc(B,N,M) * #define bac_check(X,I) * #define bac_set(X,N,I) * #define bac_clr(X,N,I) * #define bac_zap(X,N) * #define bac_FORALLFUN(X,N,F,ARG) * #define bac_FORALL(X,N,EXPR,K) * #define bac_card(X,N) * #define bac_empty(X,N) * #define bac_copy(DST,SRC,N) *** MUST HAVE THE SAME SIZE */ #ifndef _BITARRAY_H #define _BITARRAY_H #include #include #include #if __LONG_MAX__ == 2147483647L /* 32 bits */ # define __VDEWORDSIZE 32 # define __LOG_WORDSIZE (5) # define __WORDSIZEMASK 0x1f #elif __LONG_MAX__ == 9223372036854775807L /* 64 bits */ # define __VDEWORDSIZE 64 # define __LOG_WORDSIZE (6) # define __WORDSIZEMASK 0x3f #else # error sorry this program has been tested only on 32 or 64 bit machines #endif #define __WORDSIZE_1 (__VDEWORDSIZE-1) #define __WORDSIZEROUND(VX) ((VX + __WORDSIZE_1) >> __LOG_WORDSIZE) typedef unsigned long bitarrayelem; typedef bitarrayelem *bitarray; /* Simple Bit Array */ static inline bitarray ba_alloc(int n) { return calloc(__WORDSIZEROUND(n),sizeof(unsigned long)); } static inline bitarray ba_realloc(bitarray b,int n,int m) { int __i; bitarray nb=realloc(b,__WORDSIZEROUND(m)*sizeof(unsigned long)); if(nb != NULL) for(__i=__WORDSIZEROUND(n);__i<__WORDSIZEROUND(m);__i++) nb[__i]=0; nb[__WORDSIZEROUND(n)-1] &= (-1UL) >>((0U-(n))%__VDEWORDSIZE); return nb; } static inline int ba_check(bitarray x,int i) { return (x && (x[i>>__LOG_WORDSIZE] & (1L << (i & __WORDSIZEMASK)))); } static inline void ba_set(bitarray x,int i) { x[i>>__LOG_WORDSIZE] |= (1L << (i & __WORDSIZEMASK)); } static inline void ba_clr(bitarray x,int i) { x[i>>__LOG_WORDSIZE] &= ~(1L << (i & __WORDSIZEMASK)); } static inline void ba_zap(bitarray x,int n) { unsigned int __i; int max=__WORDSIZEROUND(n); for (__i=0; __i< max; __i++) x[__i]=0; } #define ba_FORALLFUN(X,N,F,ARG) \ ({ unsigned int __i,__j; \ bitarrayelem __v; \ int max=__WORDSIZEROUND(N); \ for (__i=0; __i< max; __i++) \ for (__v=(X)[__i],__j=0; __j < __VDEWORDSIZE; __v >>=1, __j++) \ if (__v & 1) (F)(__i*__VDEWORDSIZE+__j,(ARG)); \ 0; }) #define ba_FORALL(X,N,EXPR,K) \ ({ unsigned int __i,__j; \ bitarrayelem __v; \ int max=__WORDSIZEROUND(N); \ for (__i=0; __i< max; __i++) \ for (__v=(X)[__i],__j=0; __j < __VDEWORDSIZE; __v >>=1, __j++) \ if (__v & 1) {(K)=__i*__VDEWORDSIZE+__j;(EXPR);} \ (K); }) static inline int ba_card(bitarray x,int n) { unsigned int __i,__j,__n=0; bitarrayelem __v; int max=__WORDSIZEROUND(n); for (__i=0; __i< max; __i++) for (__v=(x)[__i],__j=0; __j < __VDEWORDSIZE; __v >>=1, __j++) if (__v & 1) __n++; return __n; } static inline void ba_empty(bitarray x,int n) { unsigned int __i; bitarrayelem __v=0; int max=__WORDSIZEROUND(n); for (__i=0; __i< max; __i++) __v |= (x)[__i]; \ } static inline void ba_copy(bitarray dst, bitarray src, int n) { memcpy(dst,src,sizeof(bitarrayelem) * __WORDSIZEROUND(n)); } static inline void ba_add(bitarray dst, bitarray src, int n) { unsigned int __i; int max=__WORDSIZEROUND(n); for (__i=0; __i< max; __i++) dst[__i] |= src[__i]; } static inline void ba_remove(bitarray dst, bitarray src, int n) { unsigned int __i; int max=__WORDSIZEROUND(n); for (__i=0; __i< max; __i++) dst[__i] &= ~(src[__i]); } static inline void ba_negate(bitarray x, int n) { unsigned int __i; int max=__WORDSIZEROUND(n); for (__i=0; __i< max; __i++) x[__i] = ~(x[__i]); } /* Bit Array with Cardinality (Count of set bits) */ /* it is stored after the last element */ static inline bitarray bac_alloc(int n) { return calloc(__WORDSIZEROUND(n)+1,sizeof(unsigned long)); } static inline bitarray bac_realloc(bitarray b,int n,int m) { int __i; int __size=b[__WORDSIZEROUND(n)]; bitarray nb=realloc(b,(__WORDSIZEROUND(m)+1)*sizeof(unsigned long)); if(nb != NULL) { b[__WORDSIZEROUND(m)]=__size; for(__i=__WORDSIZEROUND(n);__i<__WORDSIZEROUND(n);__i++) nb[__i]=0; } nb[__WORDSIZEROUND(n)-1] &= (-1UL) >>((0U-n)%__VDEWORDSIZE); return nb; } /* ba_check and bac_check are the same */ static inline int bac_check(bitarray x,int i) { return (x && (x[i>>__LOG_WORDSIZE] & (1L << (i & __WORDSIZEMASK)))); } static inline void bac_set(bitarray x,int n,int i) { bitarrayelem __v=x[i>>__LOG_WORDSIZE]; bitarrayelem __w=__v; __v |= (1L << (i & __WORDSIZEMASK)); if (__v != __w) x[i>>__LOG_WORDSIZE]=__v,(x[__WORDSIZEROUND(n)]++); } static inline void bac_clr(bitarray x,int n,int i) { bitarrayelem __v=x[i>>__LOG_WORDSIZE]; bitarrayelem __w=__v; __v &= ~(1L << (i & __WORDSIZEMASK)); if (__v != __w) x[i>>__LOG_WORDSIZE]=__v,(x[__WORDSIZEROUND(n)]--); } static inline void bac_zap(bitarray x,int n) { unsigned int __i; int max=__WORDSIZEROUND(n); for (__i=0; __i< max; __i++) x[__i]=0; x[__i]=0; } #define bac_FORALLFUN(X,N,F,ARG) \ ({ unsigned int __i,__j; \ bitarrayelem __v; \ int __n=(X)[__WORDSIZEROUND(N)]; \ for (__i=0; __n > 0; __i++) \ for (__v=(X)[__i],__j=0; __j < __VDEWORDSIZE; __v >>=1, __j++) \ if (__v & 1) (F)(__i*__VDEWORDSIZE+__j,(ARG)),__n--; \ 0; }) #define bac_FORALL(X,N,EXPR,K) \ ({ unsigned int __i,__j; \ bitarrayelem __v; \ int __n=(X)[__WORDSIZEROUND(N)]; \ for (__i=0; __n > 0; __i++) \ for (__v=(X)[__i],__j=0; __j < __VDEWORDSIZE; __v >>=1, __j++) \ if (__v & 1) (K)=__i*__VDEWORDSIZE+__j,(EXPR),__n--; \ 0; }) static inline int bac_card(bitarray x,int n) { return(x[__WORDSIZEROUND(n)]); } static inline int bac_empty(bitarray x,int n) { return(x[__WORDSIZEROUND(n)]==0); } static inline void bac_copy(bitarray dst, bitarray src, int n) { memcpy(dst,src,sizeof(bitarrayelem) * (__WORDSIZEROUND(n)+1)); } #if 0 #include /* usage example */ int fun(int i,int arg) { printf("I %d\n",i); } int main (int argc, char *argv[]) { bitarray b; int k; if (argc != 2) return 0; int val=atoi(argv[1]); if (val < 34) return 0; printf("%d -round-> %d\n",val,__WORDSIZEROUND(val)); b=ba_alloc(val); ba_set(b,31); ba_set(b,33); printf("%d -> %d\n",31,ba_check(b,31)); printf("%d -> %d\n",33,ba_check(b,33)); printf("CARD %d\n",ba_card(b,val)); ba_FORALLFUN(b,val,fun,0); ba_FORALL(b,val,(printf("E1 %d\n",k)),k); printf("RE127\n"); b=ba_realloc(b,val,127); ba_FORALL(b,127,(printf("E2 %d\n",k)),k); printf("RE42\n"); b=ba_realloc(b,127,42); ba_FORALL(b,127,(printf("E3 %d\n",k)),k); ba_clr(b,31); printf("%d -> %d\n",31,ba_check(b,31)); printf("CARD %d\n",ba_card(b,42)); ba_clr(b,33); printf("%d -> %d\n",33,ba_check(b,33)); printf("CARD %d\n",ba_card(b,42)); b=bac_alloc(val); if (argc != 2) return 0; printf("%d -> %d\n",val,__WORDSIZEROUND(val)); bac_set(b,val,31); bac_set(b,val,33); printf("%d -> %d\n",31,bac_check(b,31)); printf("%d -> %d\n",33,bac_check(b,33)); printf("CARD %d\n",bac_card(b,val)); bac_FORALLFUN(b,val,fun,0); bac_FORALL(b,val,(printf("E1 %d\n",k)),k); printf("RE127\n"); printf("CARD %d\n",bac_card(b,val)); b=bac_realloc(b,val,127); bac_FORALL(b,127,(printf("E2 %d\n",k)),k); printf("RE42\n"); b=bac_realloc(b,127,42); bac_FORALL(b,42,(printf("E3 %d\n",k)),k); bac_clr(b,42,31); printf("%d -> %d\n",31,bac_check(b,31)); printf("CARD %d\n",bac_card(b,42)); bac_clr(b,42,33); printf("%d -> %d\n",33,bac_check(b,33)); printf("CARD %d\n",bac_card(b,val)); } #endif #endif vde2-2.3.2+r586/src/vde_switch/consmgmt.c0000644000000000000000000005220513614540472014677 0ustar /* Copyright 2005,2006,2007 Renzo Davoli - VDE-2 * 2007 co-authors Ludovico Gardenghi, Filippo Giunchedi, Luca Bigliardi * --pidfile/-p and cleanup management by Mattia Belletti (C) 2004. * Licensed under the GPLv2 */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "port.h" #include "switch.h" #include "sockutils.h" #include "consmgmt.h" #include "qtimer.h" #include "packetq.h" #define MAXCMD 128 static struct swmodule swmi; static int logok=0; static char *rcfile; static char *pidfile = NULL; static char pidfile_path[PATH_MAX]; static int daemonize = 0; static unsigned int console_type=-1; static unsigned int mgmt_ctl=-1; static unsigned int mgmt_data=-1; static int mgmt_mode = 0600; static gid_t mgmt_group = -1; static char *mgmt_socket = NULL; static char header[]="VDE switch V.%s\n(C) Virtual Square Team (coord. R. Davoli) 2005,2006,2007 - GPLv2\n"; static char prompt[]="\nvde$ "; static struct comlist *clh=NULL; static struct comlist **clt=&clh; #ifdef DEBUGOPT #define DBGCLSTEP 8 static struct dbgcl *dbgclh=NULL; static struct dbgcl **dbgclt=&dbgclh; #define MGMTPORTNEW (dl) #define MGMTPORTDEL (dl+1) #define MGMTSIGHUP (dl+2) static struct dbgcl dl[]= { {"mgmt/+",NULL,D_MGMT|D_PLUS}, {"mgmt/-",NULL,D_MGMT|D_MINUS}, {"sig/hup",NULL,D_SIG|D_HUP} }; #endif #ifdef VDEPLUGIN static struct plugin *pluginh=NULL; static struct plugin **plugint=&pluginh; #endif void addcl(int ncl,struct comlist *cl) { int i; for (i=0;inext=NULL; (*clt)=cl; clt=(&cl->next); } } void delcl(int ncl,struct comlist *cl) { int i; for (i=0;inext; else { p=&(*p)->next; clt=p; } } } } #ifdef DEBUGOPT void adddbgcl(int ncl,struct dbgcl *cl) { int i; for (i=0;inext=NULL; (*dbgclt)=cl; dbgclt=(&cl->next); } } void deldbgcl(int ncl,struct dbgcl *cl) { int i; for (i=0;ifds) free(cl->fds); if (cl->fun) free(cl->fun); *p=cl->next; } else { p=&(*p)->next; dbgclt=p; } } } } #endif #ifdef VDEPLUGIN void addplugin(struct plugin *cl) { cl->next=NULL; (*plugint)=cl; plugint=(&cl->next); } void delplugin(struct plugin *cl) { struct plugin **p=plugint=&pluginh; while (*p != NULL) { if (*p == cl) *p=cl->next; else { p=&(*p)->next; plugint=p; } } } #endif void printlog(int priority, const char *format, ...) { va_list arg; va_start (arg, format); if (logok) vsyslog(priority,format,arg); else { fprintf(stderr,"%s: ",prog); vfprintf(stderr,format,arg); fprintf(stderr,"\n"); } va_end (arg); } void printoutc(FILE *f, const char *format, ...) { va_list arg; va_start (arg, format); if (f) { vfprintf(f,format,arg); fprintf(f,"\n"); } else printlog(LOG_INFO,format,arg); va_end(arg); } #ifdef DEBUGOPT static char _dbgnl='\n'; void debugout(struct dbgcl* cl, const char *format, ...) { va_list arg; char *msg; int i; char *header; struct iovec iov[]={{NULL,0},{NULL,0},{&_dbgnl,1}}; va_start (arg, format); iov[0].iov_len=asprintf(&header,"3%03o %s ",cl->tag & 0777,cl->path); iov[0].iov_base=header; iov[1].iov_len=vasprintf(&msg,format,arg); iov[1].iov_base=msg; va_end (arg); for (i=0; infds; i++) writev(cl->fds[i],iov,3); free(header); free(msg); } void eventout(struct dbgcl* cl, ...) { int i; va_list arg; for (i=0; infun; i++) { va_start (arg, cl); (cl->fun[i])(cl,cl->funarg[i],arg); va_end(arg); } } int packetfilter(struct dbgcl* cl, ...) { int i; va_list arg; int len; va_start (arg, cl); (void) va_arg(arg,int); /*port*/ (void) va_arg(arg,char *); /*buf*/ len=va_arg(arg,int); va_end(arg); for (i=0; infun && len>0; i++) { va_start (arg, cl); int rv=(cl->fun[i])(cl,cl->funarg[i],arg); va_end (arg); if (rv!=0) len=rv; } if (len < 0) return 0; else return len; } #endif void setmgmtperm(char *path) { chmod(path,mgmt_mode); chown(path, -1, mgmt_group); } static int help(FILE *fd,char *arg) { struct comlist *p; int n=strlen(arg); printoutc(fd,"%-18s %-15s %s","COMMAND PATH","SYNTAX","HELP"); printoutc(fd,"%-18s %-15s %s","------------","--------------","------------"); for (p=clh;p!=NULL;p=p->next) if (strncmp(p->path,arg,n) == 0) printoutc(fd,"%-18s %-15s %s",p->path,p->syntax,p->help); return 0; } static int handle_cmd(int type,int fd,char *inbuf) { struct comlist *p; int rv=ENOSYS; while (*inbuf == ' ' || *inbuf == '\t') inbuf++; if (*inbuf != '\0' && *inbuf != '#') { char *outbuf; size_t outbufsize; FILE *f=open_memstream(&outbuf,&outbufsize); for (p=clh;p!=NULL && (p->doit==NULL || strncmp(p->path,inbuf,strlen(p->path))!=0); p=p->next) ; if (p!=NULL) { inbuf += strlen(p->path); while (*inbuf == ' ' || *inbuf == '\t') inbuf++; if (p->type & WITHFD) { if (fd >= 0) { if (p->type & WITHFILE) { printoutc(f,"0000 DATA END WITH '.'"); switch(p->type & ~(WITHFILE | WITHFD)){ case NOARG: rv=p->doit(f,fd); break; case INTARG: rv=p->doit(f,fd,atoi(inbuf)); break; case STRARG: rv=p->doit(f,fd,inbuf); break; } printoutc(f,"."); } else { switch(p->type & ~WITHFD){ case NOARG: rv=p->doit(fd); break; case INTARG: rv=p->doit(fd,atoi(inbuf)); break; case STRARG: rv=p->doit(fd,inbuf); break; } } } else rv = EBADF; } else if (p->type & WITHFILE) { printoutc(f,"0000 DATA END WITH '.'"); switch(p->type & ~WITHFILE){ case NOARG: rv=p->doit(f); break; case INTARG: rv=p->doit(f,atoi(inbuf)); break; case STRARG: rv=p->doit(f,inbuf); break; } printoutc(f,"."); } else { switch(p->type){ case NOARG: rv=p->doit(); break; case INTARG: rv=p->doit(atoi(inbuf)); break; case STRARG: rv=p->doit(inbuf); break; } } } if (rv == 0) { printoutc(f,"1000 Success"); } else if (rv > 0) { printoutc(f,"1%03d %s",rv,strerror(rv)); } fclose(f); if (fd >= 0) write(fd,outbuf,outbufsize); free(outbuf); } return rv; } static int runscript(int fd,char *path) { FILE *f=fopen(path,"r"); char buf[MAXCMD]; if (f==NULL) return errno; else { while (fgets(buf,MAXCMD,f) != NULL) { if (strlen(buf) > 1 && buf[strlen(buf)-1]=='\n') buf[strlen(buf)-1]= '\0'; if (fd >= 0) { char *scriptprompt=NULL; asprintf(&scriptprompt,"vde[%s]: %s\n",path,buf); write(fd,scriptprompt,strlen(scriptprompt)); free(scriptprompt); } handle_cmd(mgmt_data, fd, buf); } fclose(f); return 0; } } void loadrcfile(void) { if (rcfile != NULL) runscript(-1,rcfile); else { char path[PATH_MAX]; snprintf(path,PATH_MAX,"%s/.vde2/vde_switch.rc",getenv("HOME")); if (access(path,R_OK) == 0) runscript(-1,path); else { if (access(STDRCFILE,R_OK) == 0) runscript(-1,STDRCFILE); } } } void mgmtnewfd(int new) { char buf[MAXCMD]; if(fcntl(new, F_SETFL, O_NONBLOCK) < 0){ printlog(LOG_WARNING,"mgmt fcntl - setting O_NONBLOCK %s",strerror(errno)); close(new); return; } add_fd(new,mgmt_data,NULL); EVENTOUT(MGMTPORTNEW,new); snprintf(buf,MAXCMD,header,PACKAGE_VERSION); write(new,buf,strlen(buf)); write(new,prompt,strlen(prompt)); } #ifdef DEBUGOPT static int debugdel(int fd,char *arg); #endif static char *EOS="9999 END OF SESSION"; static void handle_io(unsigned char type,int fd,int revents,void *private_data) { char buf[MAXCMD]; if (type != mgmt_ctl) { int n=0; if (revents & POLLIN) { n = read(fd, buf, sizeof(buf)); if(n < 0){ printlog(LOG_WARNING,"Reading from mgmt %s",strerror(errno)); return; } } if (n==0) { /*EOF || POLLHUP*/ if (type == console_type) { printlog(LOG_WARNING,"EOF on stdin, cleaning up and exiting"); exit(0); } else { #ifdef DEBUGOPT debugdel(fd,""); #endif remove_fd(fd); } } else { int cmdout; buf[n]=0; if (n>0 && buf[n-1] == '\n') buf[n-1] = 0; cmdout=handle_cmd(type,(type==console_type)?STDOUT_FILENO:fd,buf); if (cmdout >= 0) write(fd,prompt,strlen(prompt)); else { if(type==mgmt_data) { write(fd,EOS,strlen(EOS)); #ifdef DEBUGOPT EVENTOUT(MGMTPORTDEL,fd); debugdel(fd,""); #endif remove_fd(fd); } if (cmdout == -2) exit(0); } } } else {/* mgmt ctl */ struct sockaddr addr; int new; socklen_t len; len = sizeof(addr); new = accept(fd, &addr, &len); if(new < 0){ printlog(LOG_WARNING,"mgmt accept %s",strerror(errno)); return; } if(fcntl(new, F_SETFL, O_NONBLOCK) < 0){ printlog(LOG_WARNING,"mgmt fcntl - setting O_NONBLOCK %s",strerror(errno)); close(new); return; } add_fd(new,mgmt_data,NULL); EVENTOUT(MGMTPORTNEW,new); snprintf(buf,MAXCMD,header,PACKAGE_VERSION); write(new,buf,strlen(buf)); write(new,prompt,strlen(prompt)); } } static void save_pidfile() { if(pidfile[0] != '/') strncat(pidfile_path, pidfile, PATH_MAX - strlen(pidfile_path) - 1); else strncpy(pidfile_path, pidfile, PATH_MAX - 1); int fd = open(pidfile_path, O_WRONLY | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); FILE *f; if(fd == -1) { printlog(LOG_ERR, "Error in pidfile creation: %s", strerror(errno)); exit(1); } if((f = fdopen(fd, "w")) == NULL) { printlog(LOG_ERR, "Error in FILE* construction: %s", strerror(errno)); exit(1); } if(fprintf(f, "%ld\n", (long int)getpid()) <= 0) { printlog(LOG_ERR, "Error in writing pidfile"); exit(1); } fclose(f); } static void cleanup(unsigned char type,int fd,void *private_data) { if (fd < 0) { if((pidfile != NULL) && unlink(pidfile_path) < 0) { printlog(LOG_WARNING,"Couldn't remove pidfile '%s': %s", pidfile, strerror(errno)); } } else { close(fd); if (type == mgmt_ctl && mgmt_socket != NULL) { unlink(mgmt_socket); } } } #define MGMTMODEARG 0x100 #define MGMTGROUPARG 0x101 static struct option long_options[] = { {"daemon", 0, 0, 'd'}, {"pidfile", 1, 0, 'p'}, {"rcfile", 1, 0, 'f'}, {"mgmt", 1, 0, 'M'}, {"mgmtmode", 1, 0, MGMTMODEARG}, {"mgmtgroup", 1, 0, MGMTGROUPARG}, #ifdef DEBUGOPT {"debugclients",1,0,'D'}, #endif }; #define Nlong_options (sizeof(long_options)/sizeof(struct option)); static void usage(void) { printf( "(opts from consmgmt module)\n" " -d, --daemon Daemonize vde_switch once run\n" " -p, --pidfile PIDFILE Write pid of daemon to PIDFILE\n" " -f, --rcfile Configuration file (overrides %s and ~/.vderc)\n" " -M, --mgmt SOCK path of the management UNIX socket\n" " --mgmtmode MODE management UNIX socket access mode (octal)\n" " --mgmtgroup GROUP management UNIX socket group name\n" #ifdef DEBUGOPT " -D, --debugclients # number of debug clients allowed\n" #endif ,STDRCFILE); } static int parseopt(int c, char *optarg) { int outc=0; struct group *grp; switch (c) { case 'd': daemonize=1; break; case 'p': pidfile=strdup(optarg); break; case 'f': rcfile=strdup(optarg); break; case 'M': mgmt_socket=strdup(optarg); break; case MGMTMODEARG: sscanf(optarg,"%o",&mgmt_mode); break; case MGMTGROUPARG: if (!(grp = getgrnam(optarg))) { fprintf(stderr, "No such group '%s'\n", optarg); exit(1); } mgmt_group = grp->gr_gid; break; default: outc=c; } return outc; } static void init(void) { if (daemonize) { openlog(basename(prog), LOG_PID, 0); logok=1; syslog(LOG_INFO,"VDE_SWITCH started"); } /* add stdin (if tty), connect and data fds to the set of fds we wait for * * input */ if(!daemonize) { console_type=add_type(&swmi,0); add_fd(0,console_type,NULL); } /* saves current path in pidfile_path, because otherwise with daemonize() we * * forget it */ if(getcwd(pidfile_path, PATH_MAX-2) == NULL) { printlog(LOG_ERR, "getcwd: %s", strerror(errno)); exit(1); } strcat(pidfile_path, "/"); if (daemonize && daemon(0, 0)) { printlog(LOG_ERR,"daemon: %s",strerror(errno)); exit(1); } /* once here, we're sure we're the true process which will continue as a * * server: save PID file if needed */ if(pidfile) save_pidfile(); if(mgmt_socket != NULL) { int mgmtconnfd; struct sockaddr_un sun; int one = 1; if((mgmtconnfd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0){ printlog(LOG_ERR,"mgmt socket: %s",strerror(errno)); return; } if(setsockopt(mgmtconnfd, SOL_SOCKET, SO_REUSEADDR, (char *) &one, sizeof(one)) < 0){ printlog(LOG_ERR,"mgmt setsockopt: %s",strerror(errno)); return; } if(fcntl(mgmtconnfd, F_SETFL, O_NONBLOCK) < 0){ printlog(LOG_ERR,"Setting O_NONBLOCK on mgmt fd: %s",strerror(errno)); return; } sun.sun_family = PF_UNIX; snprintf(sun.sun_path,sizeof(sun.sun_path),"%s",mgmt_socket); if(bind(mgmtconnfd, (struct sockaddr *) &sun, sizeof(sun)) < 0){ if((errno == EADDRINUSE) && still_used(&sun)) return; else if(bind(mgmtconnfd, (struct sockaddr *) &sun, sizeof(sun)) < 0){ printlog(LOG_ERR,"mgmt bind %s",strerror(errno)); return; } } setmgmtperm(sun.sun_path); if(listen(mgmtconnfd, 15) < 0){ printlog(LOG_ERR,"mgmt listen: %s",strerror(errno)); return; } mgmt_ctl=add_type(&swmi,0); mgmt_data=add_type(&swmi,0); add_fd(mgmtconnfd,mgmt_ctl,NULL); } } static int vde_logout() { return -1; } static int vde_shutdown() { printlog(LOG_WARNING,"Shutdown from mgmt command"); return -2; } static int showinfo(FILE *fd) { printoutc(fd,header,PACKAGE_VERSION); printoutc(fd,"pid %d MAC %02x:%02x:%02x:%02x:%02x:%02x uptime %d",getpid(), switchmac[0], switchmac[1], switchmac[2], switchmac[3], switchmac[4], switchmac[5], qtime()); if (mgmt_socket) printoutc(fd,"mgmt %s perm 0%03o",mgmt_socket,mgmt_mode); return 0; } #ifdef DEBUGOPT static int debuglist(FILE *f,int fd,char *path) { #define DEBUGFORMAT1 "%-22s %-3s %-6s %s" #define DEBUGFORMAT2 "%-22s %03o %-6s %s" struct dbgcl *p; int i; int rv=ENOENT; printoutc(f,DEBUGFORMAT1,"CATEGORY", "TAG", "STATUS", "HELP"); printoutc(f,DEBUGFORMAT1,"------------","---","------", "----"); for (p=dbgclh; p!=NULL; p=p->next){ if (p->help && strncmp(p->path, path, strlen(path)) == 0) { for (i=0; infds && p->fds[i] != fd; i++) ; rv=0; printoutc(f, DEBUGFORMAT2, p->path, p->tag &0777, infds ? "ON" : "OFF", p->help); } } return rv; } /* EINVAL -> no matches * EEXIST -> all the matches already include fd * ENOMEM -> fd buffer realloc failed * 0 otherwise */ static int debugadd(int fd,char *path) { struct dbgcl *p; int rv=EINVAL; for (p=dbgclh; p!=NULL; p=p->next) { if (p->help && strncmp(p->path, path, strlen(path)) == 0) { int i; if (rv==EINVAL) rv=EEXIST; for(i=0;infds && (p->fds[i] != fd); i++) ; if (i>=p->nfds) { if (i>=p->maxfds) { int newsize=p->maxfds+DBGCLSTEP; p->fds=realloc(p->fds,newsize*sizeof(int)); if (p->fds) { p->maxfds=newsize; p->fds[i]=fd; p->nfds++; if (rv != ENOMEM) rv=0; } else rv=ENOMEM; } else { p->fds[i]=fd; p->nfds++; if (rv != ENOMEM) rv=0; } } } } return rv; } /* EINVAL -> no matches * ENOENT -> all the matches do not include fd * 0 otherwise */ static int debugdel(int fd,char *path) { struct dbgcl *p; int rv=EINVAL; for (p=dbgclh; p!=NULL; p=p->next){ if (strncmp(p->path, path, strlen(path)) == 0) { int i; if (rv==EINVAL) rv=ENOENT; for(i=0;infds && (p->fds[i] != fd); i++) ; if (infds) { p->nfds--; /* the last one */ p->fds[i]=p->fds[p->nfds]; /* swap it with the deleted element*/ rv=0; } } } return rv; } int eventadd(int (*fun)(),char *path,void *arg) { struct dbgcl *p; int rv=EINVAL; for (p=dbgclh; p!=NULL; p=p->next) { if (strncmp(p->path, path, strlen(path)) == 0) { int i; if (rv==EINVAL) rv=EEXIST; for(i=0;infun && (p->fun[i] != fun); i++) ; if (i>=p->nfun) { if (i>=p->maxfun) { int newsize=p->maxfun+DBGCLSTEP; p->fun=realloc(p->fun,newsize*sizeof(int)); p->funarg=realloc(p->funarg,newsize*sizeof(void *)); if (p->fun && p->funarg) { p->maxfun=newsize; p->fun[i]=fun; p->funarg[i]=arg; p->nfun++; if (rv != ENOMEM) rv=0; } else rv=ENOMEM; } else { p->fun[i]=fun; p->nfun++; if (rv != ENOMEM) rv=0; } } } } return rv; } /* EINVAL -> no matches * ENOENT -> all the matches do not include fun * 0 otherwise */ int eventdel(int (*fun)(),char *path,void *arg) { struct dbgcl *p; int rv=EINVAL; for (p=dbgclh; p!=NULL; p=p->next){ if (strncmp(p->path, path, strlen(path)) == 0) { int i; if (rv==EINVAL) rv=ENOENT; for(i=0;infun && (p->fun[i] != fun) && (p->funarg[i] != arg); i++) ; if (infun) { p->nfun--; /* the last one */ p->fun[i]=p->fun[p->nfun]; /* swap it with the deleted element*/ rv=0; } } } return rv; } #endif #ifdef VDEPLUGIN static int pluginlist(FILE *f,char *arg) { #define PLUGINFMT "%-22s %s" struct plugin *p; int rv=ENOENT; printoutc(f,PLUGINFMT,"NAME", "HELP"); printoutc(f,PLUGINFMT,"------------","----"); for (p=pluginh; p!=NULL; p=p->next){ if (strncmp(p->name, arg, strlen(arg)) == 0) { printoutc(f,PLUGINFMT,p->name,p->help); rv=0; } } return rv; } /* This will be prefixed with getent("$HOME") */ #define USER_PLUGINS_DIR "/.vde2/plugins" #ifndef MAX # define MAX(a, b) ((a) > (b) ? (a) : (b)) #endif /* * Try to dlopen a plugin trying different names and locations: * (code from view-os by Gardenghi) * * 1) dlopen(modname) * 2) dlopen(modname.so) * 3) dlopen(user_umview_plugin_directory/modname) * 4) dlopen(user_umview_plugin_directory/modname.so) * 5) dlopen(global_umview_plugin_directory/modname) * 6) dlopen(global_umview_plugin_directory/modname.so) * */ #define TRY_DLOPEN(fmt...) \ { \ snprintf(testpath, tplen, fmt); \ if ((handle = dlopen(testpath, flag))) \ { \ free(testpath); \ return handle; \ } \ } void *plugin_dlopen(const char *modname, int flag) { void *handle; char *testpath; int tplen; char *homedir = getenv("HOME"); if (!modname) return NULL; if ((handle = dlopen(modname, flag))) return handle; /* If there is no home directory, use / */ if (!homedir) homedir = "/"; tplen = strlen(modname) + strlen(MODULES_EXT) + 2 + // + 1 is for a '/' and + 1 for \0 MAX(strlen(PLUGINS_DIR), strlen(homedir) + strlen(USER_PLUGINS_DIR)); testpath = malloc(tplen); TRY_DLOPEN("%s%s", modname, MODULES_EXT); TRY_DLOPEN("%s%s/%s", homedir, USER_PLUGINS_DIR, modname); TRY_DLOPEN("%s%s/%s%s", homedir, USER_PLUGINS_DIR, modname, MODULES_EXT); TRY_DLOPEN("%s%s", PLUGINS_DIR, modname); TRY_DLOPEN("%s/%s%s", PLUGINS_DIR, modname, MODULES_EXT); free(testpath); return NULL; } static int pluginadd(char *arg) { void *handle; struct plugin *p; int rv=ENOENT; if ((handle=plugin_dlopen(arg,RTLD_LAZY)) != NULL) { if ((p=(struct plugin *) dlsym(handle,"vde_plugin_data")) != NULL) { if (p->handle != NULL) { /* this dyn library is already loaded*/ dlclose(handle); rv=EEXIST; } else { addplugin(p); p->handle=handle; rv=0; } } else { rv=EINVAL; } } return rv; } static int plugindel(char *arg) { struct plugin **p=&pluginh; while (*p!=NULL){ void *handle; if (strncmp((*p)->name, arg, strlen(arg)) == 0 && ((*p)->handle != NULL)) { struct plugin *this=*p; delplugin(this); handle=this->handle; this->handle=NULL; dlclose(handle); return 0; } else p=&(*p)->next; } return ENOENT; } #endif static struct comlist cl[]={ {"help","[arg]","Help (limited to arg when specified)",help,STRARG | WITHFILE}, {"logout","","logout from this mgmt terminal",vde_logout,NOARG}, {"shutdown","","shutdown of the switch",vde_shutdown,NOARG}, {"showinfo","","show switch version and info",showinfo,NOARG|WITHFILE}, {"load","path","load a configuration script",runscript,STRARG|WITHFD}, #ifdef DEBUGOPT {"debug","============","DEBUG MENU",NULL,NOARG}, {"debug/list","","list debug categories",debuglist,STRARG|WITHFILE|WITHFD}, {"debug/add","dbgpath","enable debug info for a given category",debugadd,WITHFD|STRARG}, {"debug/del","dbgpath","disable debug info for a given category",debugdel,WITHFD|STRARG}, #endif #ifdef VDEPLUGIN {"plugin","============","PLUGINS MENU",NULL,NOARG}, {"plugin/list","","list plugins",pluginlist,STRARG|WITHFILE}, {"plugin/add","library","load a plugin",pluginadd,STRARG}, {"plugin/del","name","unload a plugin",plugindel,STRARG}, #endif }; static void sighupmgmt(int signo) { EVENTOUT(MGMTSIGHUP, signo); } void start_consmgmt(void) { swmi.swmname="console-mgmt"; swmi.swmnopts=Nlong_options; swmi.swmopts=long_options; swmi.usage=usage; swmi.parseopt=parseopt; swmi.init=init; swmi.handle_io=handle_io; swmi.cleanup=cleanup; ADDCL(cl); #ifdef DEBUGOPT ADDDBGCL(dl); #endif add_swm(&swmi); #ifdef DEBUGOPT signal(SIGHUP,sighupmgmt); #endif } vde2-2.3.2+r586/src/vde_switch/consmgmt.h0000644000000000000000000000452213614540472014703 0ustar /* Copyright 2002 Jeff Dike * Licensed under the GPL */ #ifndef __CONSMGMT_H__ #define __CONSMGMT_H__ #include struct comlist { char *path; char *syntax; char *help; int (*doit)(); unsigned char type; struct comlist *next; }; #define NOARG 0 #define INTARG 1 #define STRARG 2 #define WITHFILE 0x40 #define WITHFD 0x80 void printlog(int priority, const char *format, ...); void loadrcfile(void); void setmgmtperm(char *path); void printoutc(FILE *fd, const char *format, ...); void addcl(int ncl,struct comlist *cl); #define ADDCL(CL) addcl(sizeof(CL)/sizeof(struct comlist),(CL)) typedef int (*intfun)(); #ifdef DEBUGOPT #define D_PACKET 01000 #define D_MGMT 02000 #define D_SIG 03000 #define D_IN 01 #define D_OUT 02 #define D_PLUS 01 #define D_MINUS 02 #define D_DESCR 03 #define D_STATUS 04 #define D_ROOT 05 #define D_HASH 010 #define D_PORT 020 #define D_EP 030 #define D_FSTP 040 #define D_HUP 01 struct dbgcl { char *path; /* debug path for add/del */ char *help; /* help string. just event mgmt when NULL */ int tag; /* tag for event mgmt and simple parsing */ int *fds; /* file descriptors for debug */ intfun (*fun); /* function call or plugin events */ void **funarg; /* arg for function calls */ unsigned short nfds; /* number of active fds */ unsigned short nfun; /* number of active fun */ unsigned short maxfds; /* current size of fds */ unsigned short maxfun; /* current size of both fun and funarg */ struct dbgcl *next; }; void adddbgcl(int ncl, struct dbgcl* cl); #define ADDDBGCL(CL) adddbgcl(sizeof(CL)/sizeof(struct dbgcl),(CL)) void debugout(struct dbgcl* cl, const char *format, ...); void eventout(struct dbgcl* cl, ...); int packetfilter(struct dbgcl* cl, ...); #define DBGOUT(CL, FORMAT, ...) \ if (__builtin_expect(((CL)->nfds) > 0, 0)) debugout((CL), (FORMAT), __VA_ARGS__) #define EVENTOUT(CL, ...) \ if (__builtin_expect(((CL)->nfun) > 0, 0)) eventout((CL), __VA_ARGS__) #define PACKETFILTER(CL, PORT, BUF, LEN) \ (__builtin_expect((((CL)->nfun) == 0 || ((LEN)=packetfilter((CL), (PORT), (BUF), (LEN)))), 1)) /* #define PACKETFILTER(CL, PORT, BUF, LEN) (LEN) */ #else #define DBGOUT(CL, ...) #define EVENTOUT(CL, ...) #define PACKETFILTER(CL, PORT, BUF, LEN) (LEN) #endif /* DEBUGOPT */ #endif #ifdef VDEPLUGIN struct plugin { char *name; char *help; void *handle; struct plugin *next; }; #endif vde2-2.3.2+r586/src/vde_switch/datasock.c0000644000000000000000000003277513614540472014653 0ustar /* Copyright 2005 Renzo Davoli - VDE-2 * --pidfile/-p and cleanup management by Mattia Belletti (C) 2004. * Licensed under the GPLv2 * Modified by Ludovico Gardenghi 2005 * -g option (group management) by Daniel P. Berrange * dir permission patch by Alessio Caprari 2006 */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define _GNU_SOURCE #include #include #include #include #include "port.h" #include "switch.h" #include "sockutils.h" #include "consmgmt.h" static struct swmodule swmi; static struct mod_support modfun; static unsigned int ctl_type; static unsigned int wd_type; static unsigned int data_type; static char *rel_ctl_socket = NULL; static char ctl_socket[PATH_MAX]; static int mode = -1; static int dirmode = -1; static gid_t grp_owner = -1; #define MODULENAME "unix prog" #define DATA_BUF_SIZE 131072 #define SWITCH_MAGIC 0xfeedface #define REQBUFLEN 256 enum request_type { REQ_NEW_CONTROL, REQ_NEW_PORT0 }; struct request_v1 { uint32_t magic; enum request_type type; union { struct { unsigned char addr[ETH_ALEN]; struct sockaddr_un name; } new_control; } u; char description[]; } __attribute__((packed)); struct request_v3 { uint32_t magic; uint32_t version; enum request_type type; struct sockaddr_un sock; char description[]; } __attribute__((packed)); union request { struct request_v1 v1; struct request_v3 v3; }; static int send_datasock(int fd_ctl, int fd_data, void *packet, int len, int port) { if (send(fd_data, packet, len, 0) < 0) { int rv=errno; if(rv != EAGAIN && rv != EWOULDBLOCK) printlog(LOG_WARNING,"send_sockaddr port %d: %s",port,strerror(errno)); else rv=EWOULDBLOCK; return -rv; } return 0; } #define GETFILEOWNER(PATH) ({\ struct stat s; \ (stat((PATH),&s)?-1:s.st_uid); \ }) static struct endpoint *new_port_v1_v3(int fd_ctl, int type_port, struct sockaddr_un *sun_out) { int n, portno; struct endpoint *ep; enum request_type type = type_port & 0xff; int port_request=type_port >> 8; uid_t user=-1; int fd_data; #ifdef VDE_DARWIN int sockbufsize = DATA_BUF_SIZE; int optsize = sizeof(sockbufsize); #endif struct sockaddr_un sun_in; // init sun_in memory memset(&sun_in,0,sizeof(sun_in)); switch(type){ case REQ_NEW_PORT0: port_request= -1; /* no break: falltrough */ case REQ_NEW_CONTROL: if (sun_out->sun_path[0] != 0) { //not for unnamed sockets if (access(sun_out->sun_path,R_OK | W_OK) != 0) { //socket error remove_fd(fd_ctl); return NULL; } user=GETFILEOWNER(sun_out->sun_path); } if((fd_data = socket(PF_UNIX, SOCK_DGRAM, 0)) < 0){ printlog(LOG_ERR,"socket: %s",strerror(errno)); remove_fd(fd_ctl); return NULL; } if(fcntl(fd_data, F_SETFL, O_NONBLOCK) < 0){ printlog(LOG_ERR,"Setting O_NONBLOCK on data fd %s",strerror(errno)); close(fd_data); remove_fd(fd_ctl); return NULL; } #ifdef VDE_DARWIN if(setsockopt(fd_data, SOL_SOCKET, SO_SNDBUF, &sockbufsize, optsize) < 0) printlog(LOG_WARNING, "Warning: setting send buffer size on data fd %d to %d failed, expect packet loss: %s", fd_data, sockbufsize, strerror(errno)); if(setsockopt(fd_data, SOL_SOCKET, SO_RCVBUF, &sockbufsize, optsize) < 0) printlog(LOG_WARNING, "Warning: setting send buffer size on data fd %d to %d failed, expect packet loss: %s", fd_data, sockbufsize, strerror(errno)); #endif if (connect(fd_data, (struct sockaddr *) sun_out, sizeof(struct sockaddr_un)) < 0) { printlog(LOG_ERR,"Connecting to client data socket %s",strerror(errno)); close(fd_data); remove_fd(fd_ctl); return NULL; } ep = setup_ep(port_request, fd_ctl, fd_data, user, &modfun); if(ep == NULL) return NULL; portno=ep_get_port(ep); add_fd(fd_data,data_type,ep); sun_in.sun_family = AF_UNIX; snprintf(sun_in.sun_path,sizeof(sun_in.sun_path),"%s/%03d.%d",ctl_socket,portno,fd_data); if ((unlink(sun_in.sun_path) < 0 && errno != ENOENT) || bind(fd_data, (struct sockaddr *) &sun_in, sizeof(struct sockaddr_un)) < 0){ printlog(LOG_ERR,"Binding to data socket %s",strerror(errno)); close_ep(ep); return NULL; } if (geteuid() != 0) user = -1; if (user != -1) chmod(sun_in.sun_path,mode & 0700); else chmod(sun_in.sun_path,mode); if(chown(sun_in.sun_path,user,grp_owner) < 0) { printlog(LOG_ERR, "chown: %s", strerror(errno)); unlink(sun_in.sun_path); close_ep(ep); return NULL; } n = write(fd_ctl, &sun_in, sizeof(sun_in)); if(n != sizeof(sun_in)){ printlog(LOG_WARNING,"Sending data socket name %s",strerror(errno)); close_ep(ep); return NULL; } if (type==REQ_NEW_PORT0) setmgmtperm(sun_in.sun_path); return ep; break; default: printlog(LOG_WARNING,"Bad request type : %d", type); remove_fd(fd_ctl); return NULL; } } static void handle_io(unsigned char type,int fd,int revents,void *arg) { struct endpoint *ep=arg; if (type == data_type) { #ifdef VDE_PQ2 if (revents & POLLOUT) handle_out_packet(ep); #endif if (revents & POLLIN) { struct bipacket packet; int len; len=recv(fd, &(packet.p), sizeof(struct packet),0); if(len < 0){ if (errno == EAGAIN || errno == EWOULDBLOCK) return; printlog(LOG_WARNING,"Reading data: %s",strerror(errno)); } else if(len == 0) printlog(LOG_WARNING,"EOF data port: %s",strerror(errno)); else if(len >= ETH_HEADER_SIZE) handle_in_packet(ep, &(packet.p), len); } } else if (type == wd_type) { char reqbuf[REQBUFLEN+1]; union request *req=(union request *)reqbuf; int len; len = read(fd, reqbuf, REQBUFLEN); if (len < 0) { if(errno != EAGAIN && errno != EWOULDBLOCK){ printlog(LOG_WARNING,"Reading request %s", strerror(errno)); remove_fd(fd); } return; } else if (len > 0) { reqbuf[len]=0; if(req->v1.magic == SWITCH_MAGIC){ if(req->v3.version == 3) { ep=new_port_v1_v3(fd, req->v3.type, &(req->v3.sock)); if (ep != NULL) { mainloop_set_private_data(fd,ep); setup_description(ep,strdup(req->v3.description)); } } else if(req->v3.version > 2 || req->v3.version == 2) { printlog(LOG_ERR, "Request for a version %d port, which this " "vde_switch doesn't support", req->v3.version); remove_fd(fd); } else { ep=new_port_v1_v3(fd, req->v1.type, &(req->v1.u.new_control.name)); if (ep != NULL) { mainloop_set_private_data(fd,ep); setup_description(ep,strdup(req->v1.description)); } } } else { printlog(LOG_WARNING,"V0 request not supported"); remove_fd(fd); return; } } else { if (ep != NULL) close_ep(ep); else remove_fd(fd); } } else /*if (type == ctl_type)*/ { struct sockaddr addr; socklen_t len; int new; len = sizeof(addr); new = accept(fd, &addr, &len); if(new < 0){ printlog(LOG_WARNING,"accept %s",strerror(errno)); return; } /* if(fcntl(new, F_SETFL, O_NONBLOCK) < 0){ printlog(LOG_WARNING,"fcntl - setting O_NONBLOCK %s",strerror(errno)); close(new); return; }*/ add_fd(new,wd_type,NULL); } } static void cleanup(unsigned char type,int fd,void *arg) { struct sockaddr_un clun; int test_fd; if (fd < 0) { if (!strlen(ctl_socket)) { /* ctl_socket has not been created yet */ return; } if((test_fd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0){ printlog(LOG_ERR,"socket %s",strerror(errno)); } clun.sun_family=AF_UNIX; snprintf(clun.sun_path,sizeof(clun.sun_path),"%s/ctl",ctl_socket); if(connect(test_fd, (struct sockaddr *) &clun, sizeof(clun))){ close(test_fd); if(unlink(clun.sun_path) < 0) printlog(LOG_WARNING,"Could not remove ctl socket '%s': %s", ctl_socket, strerror(errno)); else if(rmdir(ctl_socket) < 0) printlog(LOG_WARNING,"Could not remove ctl dir '%s': %s", ctl_socket, strerror(errno)); } else printlog(LOG_WARNING,"Cleanup not removing files"); } else { if (type == data_type && arg != NULL) { int portno=ep_get_port(arg); snprintf(clun.sun_path,sizeof(clun.sun_path),"%s/%03d.%d",ctl_socket,portno,fd); unlink(clun.sun_path); } close(fd); } } #define DIRMODEARG 0x100 static struct option long_options[] = { {"sock", 1, 0, 's'}, {"vdesock", 1, 0, 's'}, {"unix", 1, 0, 's'}, {"mod", 1, 0, 'm'}, {"mode", 1, 0, 'm'}, {"dirmode", 1, 0, DIRMODEARG}, {"group", 1, 0, 'g'}, }; #define Nlong_options (sizeof(long_options)/sizeof(struct option)); static void usage(void) { printf( "(opts from datasock module)\n" " -s, --sock SOCK control directory pathname\n" " -s, --vdesock SOCK Same as --sock SOCK\n" " -s, --unix SOCK Same as --sock SOCK\n" " -m, --mode MODE Permissions for the control socket (octal)\n" " --dirmode MODE Permissions for the sockets directory (octal)\n" " -g, --group GROUP Group owner for comm sockets\n" ); } static int parseopt(int c, char *optarg) { int outc=0; struct group *grp; switch (c) { case 's': if (!(rel_ctl_socket = strdup(optarg))) { fprintf(stderr, "Memory error while parsing '%s'\n", optarg); exit(1); } break; case 'm': sscanf(optarg,"%o",&mode); break; case 'g': if (!(grp = getgrnam(optarg))) { fprintf(stderr, "No such group '%s'\n", optarg); exit(1); } grp_owner=grp->gr_gid; break; case DIRMODEARG: sscanf(optarg, "%o", &dirmode); break; default: outc=c; } return outc; } static void init(void) { int connect_fd; struct sockaddr_un sun; int one = 1; /* Set up default modes */ if (mode < 0 && dirmode < 0) { /* Default values */ mode = 00600; /* -rw------- for the ctl socket */ dirmode = 02700; /* -rwx--S--- for the directory */ } else if (mode >= 0 && dirmode < 0) { /* If only mode (-m) has been specified, we guess the dirmode from it, * adding the executable bit where needed */ # define ADDBIT(mode, conditionmask, add) ((mode & conditionmask) ? ((mode & conditionmask) | add) : (mode & conditionmask)) dirmode = 02000 | /* Add also setgid */ ADDBIT(mode, 0600, 0100) | ADDBIT(mode, 0060, 0010) | ADDBIT(mode, 0006, 0001); } else if (mode < 0 && dirmode >= 0) { /* If only dirmode (--dirmode) has been specified, we guess the ctl * socket mode from it, turning off the executable bit everywhere */ mode = dirmode & 0666; } if((connect_fd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0){ printlog(LOG_ERR,"Could not obtain a BSD socket: %s", strerror(errno)); return; } if(setsockopt(connect_fd, SOL_SOCKET, SO_REUSEADDR, (char *) &one, sizeof(one)) < 0){ printlog(LOG_ERR,"Could not set socket options on %d: %s", connect_fd, strerror(errno)); return; } if(fcntl(connect_fd, F_SETFL, O_NONBLOCK) < 0){ printlog(LOG_ERR,"Could not set O_NONBLOCK on connection fd %d: %s", connect_fd, strerror(errno)); return; } /* resolve ctl_socket, eventually defaulting to standard paths */ if (rel_ctl_socket == NULL) { rel_ctl_socket = (geteuid()==0)?VDESTDSOCK:VDETMPSOCK; } if (((mkdir(rel_ctl_socket, 0777) < 0) && (errno != EEXIST))) { fprintf(stderr,"Cannot create ctl directory '%s': %s\n", rel_ctl_socket, strerror(errno)); exit(-1); } if (!vde_realpath(rel_ctl_socket, ctl_socket)) { fprintf(stderr,"Cannot resolve ctl dir path '%s': %s\n", rel_ctl_socket, strerror(errno)); exit(1); } if(chown(ctl_socket,-1,grp_owner) < 0) { rmdir(ctl_socket); printlog(LOG_ERR, "Could not chown socket '%s': %s", sun.sun_path, strerror(errno)); exit(-1); } if (chmod(ctl_socket, dirmode) < 0) { printlog(LOG_ERR,"Could not set the VDE ctl directory '%s' permissions: %s", ctl_socket, strerror(errno)); exit(-1); } sun.sun_family = AF_UNIX; snprintf(sun.sun_path,sizeof(sun.sun_path),"%s/ctl",ctl_socket); if(bind(connect_fd, (struct sockaddr *) &sun, sizeof(sun)) < 0){ if((errno == EADDRINUSE) && still_used(&sun)){ printlog(LOG_ERR, "Could not bind to socket '%s/ctl': %s", ctl_socket, strerror(errno)); exit(-1); } else if(bind(connect_fd, (struct sockaddr *) &sun, sizeof(sun)) < 0){ printlog(LOG_ERR, "Could not bind to socket '%s/ctl' (second attempt): %s", ctl_socket, strerror(errno)); exit(-1); } } chmod(sun.sun_path,mode); if(chown(sun.sun_path,-1,grp_owner) < 0) { printlog(LOG_ERR, "Could not chown socket '%s': %s", sun.sun_path, strerror(errno)); exit(-1); } if(listen(connect_fd, 15) < 0){ printlog(LOG_ERR,"Could not listen on fd %d: %s", connect_fd, strerror(errno)); exit(-1); } ctl_type=add_type(&swmi,0); wd_type=add_type(&swmi,0); data_type=add_type(&swmi,1); add_fd(connect_fd,ctl_type,NULL); } static int showinfo(FILE *fd) { printoutc(fd,"ctl dir %s",ctl_socket); printoutc(fd,"std mode 0%03o",mode); return 0; } static struct comlist cl[]={ {"ds","============","DATA SOCKET MENU",NULL,NOARG}, {"ds/showinfo","","show ds info",showinfo,NOARG|WITHFILE}, }; static void delep (int fd_ctl, int fd_data, void *descr) { if (fd_data>=0) remove_fd(fd_data); if (fd_ctl>=0) remove_fd(fd_ctl); if (descr) free(descr); } void start_datasock(void) { modfun.modname=swmi.swmname=MODULENAME; swmi.swmnopts=Nlong_options; swmi.swmopts=long_options; swmi.usage=usage; swmi.parseopt=parseopt; swmi.init=init; swmi.handle_io=handle_io; swmi.cleanup=cleanup; modfun.sender=send_datasock; modfun.delep=delep; ADDCL(cl); add_swm(&swmi); } vde2-2.3.2+r586/src/vde_switch/datasock.h0000644000000000000000000000044513614540472014645 0ustar /* Copyright 2002 Jeff Dike * Licensed under the GPL */ #ifndef __DATASOCK_H__ #define __DATASOCK_H__ int send_datasock(int fd, int ctl_fd, void *packet, int len, void *unused, int port); int recv_datasock(int_fd, void *packet, int maxlen, int port); int open_datasock(char *dev); #endif vde2-2.3.2+r586/src/vde_switch/fstp.c0000644000000000000000000005761013614540472014031 0ustar /* Copyright 2005 Renzo Davoli VDE-2 * Licensed under the GPLv2 */ #include #include #include #include #include #include #include #include #include /*ntoh conversion*/ #include #include #include #include "switch.h" #include "hash.h" #include "qtimer.h" #include "port.h" #include "fcntl.h" #include "consmgmt.h" #include "bitarray.h" static int pflag=0; static int numports; #ifdef FSTP #include /*********************** sending macro used by FSTP & Core ******************/ void inline ltonstring(unsigned long l,unsigned char *s) { s[3]=l; l>>=8; s[2]=l; l>>=8; s[1]=l; l>>=8; s[0]=l; } unsigned long inline nstringtol(unsigned char *s) { return (s[0]<<24)+(s[1]<<16)+(s[2]<<8)+s[3]; } #define STP_TCA 0x80 #define STP_AGREEMENT 0x40 #define STP_FORWARDING 0x20 #define STP_LEARNING 0x10 #define STP_PORTROLEMASK 0x0c #define STP_ROOT 0x04 #define STP_PROPOSAL 0x02 #define STP_TC 0x01 #ifdef DEBUGOPT #define DBGFSTPSTATUS (dl) #define DBGFSTPROOT (dl+1) #define DBGFSTPPLUS (dl+2) #define DBGFSTPMINUS (dl+3) static struct dbgcl dl[]= { {"fstp/status","fstp: status change",D_FSTP|D_STATUS}, {"fstp/root","fstp: rootswitch/port change",D_FSTP|D_ROOT}, {"fstp/+","fstp: port becomes active",D_FSTP|D_PLUS}, {"fstp/-","fstp: port becomes inactive",D_FSTP|D_MINUS}, }; static char *fstpdecodestatus[]={ "discarding", "learning", "forwarding", "learning+forwarding"}; #define port_set_status(P,V,S) \ ({DBGOUT(DBGFSTPSTATUS,"Port %04d VLAN %02x:%02x %s",\ (P),(V)>>8,(V)&0xff,fstpdecodestatus[(S)]);\ EVENTOUT(DBGFSTPSTATUS,(P),(V),(S));\ port_set_status(P,V,S);}) #endif #define SWITCHID_LEN (ETH_ALEN+2) #define FSTP_ACTIVE(VLAN,PORT) (ba_check(fsttab[(VLAN)]->rcvhist[0],(PORT)) || \ ba_check(fsttab[(VLAN)]->rcvhist[1],(PORT))) static int rcvhistindex; struct vlst { unsigned char root[SWITCHID_LEN]; unsigned char rootcost[4]; unsigned char dessw[SWITCHID_LEN]; unsigned char port[2]; int rootport; int bonusport; int bonuscost; int tctime; /* TC: topology change timers missing XXX */ unsigned int roottimestamp; bitarray untag; bitarray tagged; bitarray backup; bitarray edge; bitarray rcvhist[2]; }; #define BPDUADDR {0x01,0x80,0xc2,0x00,0x00,0x00} unsigned char bpduaddrp[]=BPDUADDR; #define SETFSTID(ID,MAC,PRIO) ({ \ char *id=(char *)(ID); \ *(id++)=(PRIO)>>8; \ *(id++)=(PRIO); \ memcpy(id,(MAC),ETH_ALEN); 0; }) static unsigned char myid[SWITCHID_LEN]; #define STDHELLOPERIOD 4 static struct vlst *fsttab[NUMOFVLAN]; static int helloperiod = STDHELLOPERIOD; static int maxage = STDHELLOPERIOD*10; static int fst_timerno; /* packet prototype for untagged ports */ struct fstbpdu { struct ethheader header; unsigned char llc[3]; unsigned char stp_protocol[2]; unsigned char stp_version; unsigned char stp_type; unsigned char stp_flags; unsigned char stp_root[SWITCHID_LEN]; unsigned char stp_rootcost[4]; unsigned char stp_bridge[SWITCHID_LEN]; unsigned char stp_port[2]; unsigned char stp_age[2]; unsigned char stp_maxage[2]; unsigned char stp_hello[2]; unsigned char stp_fwddelay[2]; unsigned char stp_v1len; } __attribute__((packed));; /* packet prototype for tagged ports */ struct fsttagbpdu { struct ethheader header; unsigned char tag_vlan[2]; unsigned char tag_proto[2]; unsigned char llc[3]; unsigned char stp_protocol[2]; unsigned char stp_version; unsigned char stp_type; unsigned char stp_flags; unsigned char stp_root[SWITCHID_LEN]; unsigned char stp_rootcost[4]; unsigned char stp_bridge[SWITCHID_LEN]; unsigned char stp_port[2]; unsigned char stp_age[2]; unsigned char stp_maxage[2]; unsigned char stp_hello[2]; unsigned char stp_fwddelay[2]; unsigned char stp_v1len; } __attribute__((packed));; static struct fstbpdu outpacket = { .header.dest=BPDUADDR, .header.proto={0x00,0x27}, /* 802.3 packet length */ .llc={0x42,0x42,0x3}, .stp_protocol={0,0}, .stp_version=2, .stp_type=2, }; static struct fsttagbpdu outtagpacket = { .header.dest=BPDUADDR, .header.proto={0x81,0x00}, .tag_proto={0x00,0x27}, .llc={0x42,0x42,0x3}, .stp_protocol={0,0}, .stp_version=2, .stp_type=2, }; /* * BIT: * 0 TOPOLOGY CHANGE * 1 PROPOSAL * 2/3 PORT ROLE: 00 UNKNOWN 01 ALT/BACKUP 10 ROOT 11 DESIGNATED * 4 LEARNING 5 FORWARDING * 6 AGREEMENT * 7 TOPOLOGY CHANGE ACK */ #define STP_FLAGS(VLAN,PORT,AGR,TC,TCACK) \ (TC | \ (ba_check(fsttab[(VLAN)]->backup,port) != 0) << 1 | \ (ba_check(fsttab[(VLAN)]->backup,port) == 0) << 2 | \ (fsttab[vlan]->rootport != (PORT)) << 3 |\ port_get_status((PORT),(VLAN)) << 4 | \ (AGR) << 6 | \ (TCACK) << 7) int fstnewvlan(int vlan) { /*printf("F new vlan %d\n",vlan);*/ unsigned int port; int newvlan=(fsttab[vlan] == NULL); if (newvlan && ((fsttab[vlan]=malloc(sizeof(struct vlst))) == NULL || (fsttab[vlan]->untag = ba_alloc(numports)) == NULL || (fsttab[vlan]->tagged = ba_alloc(numports)) == NULL || (fsttab[vlan]->edge = ba_alloc(numports)) == NULL || (fsttab[vlan]->rcvhist[0] = ba_alloc(numports)) == NULL || (fsttab[vlan]->rcvhist[1] = ba_alloc(numports)) == NULL || (fsttab[vlan]->backup = ba_alloc(numports)) == NULL)) return ENOMEM; else { memcpy(fsttab[vlan]->root,myid,SWITCHID_LEN); memset(fsttab[vlan]->rootcost,0,4); memset(fsttab[vlan]->dessw,0xff,SWITCHID_LEN); memset(fsttab[vlan]->port,0,4); fsttab[vlan]->rootport=fsttab[vlan]->roottimestamp=0; if (newvlan) { fsttab[vlan]->bonusport=fsttab[vlan]->bonuscost=0; fsttab[vlan]->tctime=0; } DBGOUT(DBGFSTPROOT,"Port %04d VLAN %02x:%02x -> %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", 0,vlan>>8,vlan&0xff, fsttab[vlan]->root[0], fsttab[vlan]->root[1], fsttab[vlan]->root[2], fsttab[vlan]->root[3], fsttab[vlan]->root[4], fsttab[vlan]->root[5], fsttab[vlan]->root[6], fsttab[vlan]->root[7]); EVENTOUT(DBGFSTPROOT,0,vlan,fsttab[vlan]->root); ba_FORALL(fsttab[vlan]->backup,numports, ({ ba_clr(fsttab[vlan]->backup,port); port_set_status(port,vlan,FORWARDING); }), port); return 0; } } int fstremovevlan(int vlan) { /*printf("F remove vlan %d\n",vlan);*/ if (fsttab[vlan] == NULL) return ENOENT; else { struct vlst *old=fsttab[vlan]; fsttab[vlan]=NULL; free(old->untag); free(old->tagged); free(old->backup); free(old->edge); free(old->rcvhist[0]); free(old->rcvhist[1]); free(old); return 0; } } void fstsetnumports (int val) { int i; /*printf("F numports %d\n",val);*/ for (i=0;iuntag=ba_realloc(fsttab[i]->untag,numports,val); if (fsttab[i]->untag == NULL) { printlog(LOG_ERR,"Numport resize failed vlan tables fstab/untag %s",strerror(errno)); exit(1); } fsttab[i]->tagged=ba_realloc(fsttab[i]->tagged,numports,val); if (fsttab[i]->tagged == NULL) { printlog(LOG_ERR,"Numport resize failed vlan tables fstab/tagged %s",strerror(errno)); exit(1); } fsttab[i]->backup=ba_realloc(fsttab[i]->backup,numports,val); if (fsttab[i]->backup == NULL) { printlog(LOG_ERR,"Numport resize failed vlan tables fstab/backup %s",strerror(errno)); exit(1); } fsttab[i]->edge=ba_realloc(fsttab[i]->edge,numports,val); if (fsttab[i]->edge == NULL) { printlog(LOG_ERR,"Numport resize failed vlan tables fstab/edge %s",strerror(errno)); exit(1); } fsttab[i]->rcvhist[0]=ba_realloc(fsttab[i]->rcvhist[0],numports,val); if (fsttab[i]->rcvhist[0] == NULL) { printlog(LOG_ERR,"Numport resize failed vlan tables fstab/rcvhist0 %s",strerror(errno)); exit(1); } fsttab[i]->rcvhist[1]=ba_realloc(fsttab[i]->rcvhist[1],numports,val); if (fsttab[i]->rcvhist[1] == NULL) { printlog(LOG_ERR,"Numport resize failed vlan tables fstab/rcvhist1 %s",strerror(errno)); exit(1); } } } numports=val; } /* say hello! */ static void fst_hello_vlan(int vlan,int now) { int age,nowvlan; int port; /* timeout on the root port */ if (fsttab[vlan]->rootport != 0 && (now - fsttab[vlan]->roottimestamp) > 3*helloperiod) fstnewvlan(vlan); nowvlan=(fsttab[vlan]->rootport==0)?0:now; /* This switch is the root */ memcpy(outpacket.stp_root,fsttab[vlan]->root,SWITCHID_LEN); memcpy(outtagpacket.stp_root,fsttab[vlan]->root,SWITCHID_LEN); memcpy(outpacket.stp_rootcost,fsttab[vlan]->rootcost,4); memcpy(outtagpacket.stp_rootcost,fsttab[vlan]->rootcost,4); age=nowvlan-fsttab[vlan]->roottimestamp; if (age > 0xffff) age=0xffff; outpacket.stp_age[0] = outtagpacket.stp_age[0]=age; outpacket.stp_age[1] = outtagpacket.stp_age[1]=age>>8; outpacket.stp_fwddelay[0] = outtagpacket.stp_fwddelay[0]=0; outpacket.stp_fwddelay[1] = outtagpacket.stp_fwddelay[1]=0; /* XXX */ ba_FORALL(fsttab[vlan]->untag,numports, ({ if (!(ba_check(fsttab[vlan]->edge,port))) { outpacket.stp_port[0]=0x80| (port>>4); outpacket.stp_port[1]=port; outpacket.stp_flags=STP_FLAGS(vlan,port,1,0,0); port_send_packet(port,&outpacket,sizeof(outpacket)); } }), port); ba_FORALL(fsttab[vlan]->tagged,numports, ({ if (!(ba_check(fsttab[vlan]->edge,port))) { outtagpacket.stp_port[0]=0x80| (port>>4); outtagpacket.stp_port[1]=port; outtagpacket.tag_vlan[0]=vlan>>8 & 0xf; outtagpacket.tag_vlan[1]=vlan; outtagpacket.stp_flags=STP_FLAGS(vlan,port,1,0,0); port_send_packet(port,&outtagpacket,sizeof(outtagpacket)); } }), port); } /* a port that is not handling control packets for a while cannot be * a backup port. It means that the other end is not speaking FSTP anymore. * It must be reverted to a designed forwarding port. */ static void fst_updatebackup(int vlan,int index) { int port; ba_FORALL(fsttab[vlan]->backup,numports, ({ if (!FSTP_ACTIVE(vlan,port)) { ba_clr(fsttab[vlan]->backup,port); port_set_status(port,vlan,FORWARDING); } }), port); #ifdef DEBUGOPT ba_FORALL(fsttab[vlan]->untag,numports,({ if (ba_check(fsttab[(vlan)]->rcvhist[index],(port)) && !(ba_check(fsttab[(vlan)]->rcvhist[1-index],(port)))) { DBGOUT(DBGFSTPMINUS,"Port %04d VLAN %02x:%02x",port,vlan>>8,vlan&0xff); EVENTOUT(DBGFSTPMINUS,port,vlan); } }), port); ba_FORALL(fsttab[vlan]->tagged,numports,({ if (ba_check(fsttab[(vlan)]->rcvhist[index],(port)) && !(ba_check(fsttab[(vlan)]->rcvhist[1-index],(port)))) { DBGOUT(DBGFSTPMINUS,"Port %04d VLAN %02x:%02x",port,vlan>>8,vlan&0xff); EVENTOUT(DBGFSTPMINUS,port,vlan); } }), port); #endif ba_zap(fsttab[vlan]->rcvhist[index],numports); } static void fst_hello(void *arg) { int now=qtime(); static int hellocounter; hellocounter++; //printf("HELLO\n"); bac_FORALLFUN(validvlan,NUMOFVLAN,fst_hello_vlan,now); if ((hellocounter & 0x3) == 0) { rcvhistindex=1-rcvhistindex; bac_FORALLFUN(validvlan,NUMOFVLAN, fst_updatebackup,rcvhistindex); } } static void fst_sendbpdu(int vlan,int port,int agr,int tc,int tcack) { int now=qtime(); int age,nowvlan; if (!(pflag & FSTP_TAG)) return; nowvlan=(fsttab[vlan]->rootport==0)?0:now; /* This switch is the root */ if (ba_check(fsttab[vlan]->untag,port)) { memcpy(outpacket.stp_root,fsttab[vlan]->root,SWITCHID_LEN); memcpy(outpacket.stp_rootcost,fsttab[vlan]->rootcost,4); age=nowvlan-fsttab[vlan]->roottimestamp; if (age > 0xffff) age=0xffff; outpacket.stp_age[0] = age; outpacket.stp_age[1] = age>>8; outpacket.stp_fwddelay[0] = 0; outpacket.stp_fwddelay[1] = 0; /* XXX */ outpacket.stp_port[0]=0x80| (port>>4); outpacket.stp_port[1]=port; outpacket.stp_flags=STP_FLAGS(vlan,port,agr,tc,tcack); port_send_packet(port,&outpacket,sizeof(outpacket)); } if (ba_check(fsttab[vlan]->tagged,port)) { memcpy(outtagpacket.stp_root,fsttab[vlan]->root,SWITCHID_LEN); memcpy(outtagpacket.stp_rootcost,fsttab[vlan]->rootcost,4); age=nowvlan-fsttab[vlan]->roottimestamp; if (age > 0xffff) age=0xffff; outtagpacket.stp_age[0]=age; outtagpacket.stp_age[1]=age>>8; outtagpacket.stp_fwddelay[0]=0; outtagpacket.stp_fwddelay[1]=0; /* XXX */ outtagpacket.stp_port[0]=0x80| (port>>4); outtagpacket.stp_port[1]=port; outtagpacket.tag_vlan[0]=vlan>>8 & 0xf; outtagpacket.tag_vlan[1]=vlan; outtagpacket.stp_flags=STP_FLAGS(vlan,port,agr,tc,tcack); port_send_packet(port,&outtagpacket,sizeof(outtagpacket)); } } /* Topology change flood * two main difference between this and 802.1d/w: * - it flushes all the hash table for this vlan (including the "calling" port * - do not send all the packet with TC but just this */ static void topology_change(int vlan, int genport) { int port; int now=qtime(); //if (now - fsttab[vlan]->tctime > 2*helloperiod) { /*limit age?*/ /*printf("TOPOLOGY CHANGE %d\n",vlan);*/ fsttab[vlan]->tctime=now; hash_delete_vlan(vlan); ba_FORALL(fsttab[vlan]->untag,numports, ({ if(port != genport && !(ba_check(fsttab[vlan]->backup,port)) && !(ba_check(fsttab[vlan]->edge,port)) && FSTP_ACTIVE(vlan,port)) { fst_sendbpdu(vlan,port,0,1,0); } }),port); ba_FORALL(fsttab[vlan]->tagged,numports, ({ if(port != genport && !(ba_check(fsttab[vlan]->backup,port)) && !(ba_check(fsttab[vlan]->edge,port)) && FSTP_ACTIVE(vlan,port)) { fst_sendbpdu(vlan,port,0,1,0); } }),port); //} } /* heart of the fast protocol: * 1- receive a proposal * 2- stop all the designed ports * 3- give back the acknowledge and put the new root in fwd*/ static void fastprotocol(int vlan, int newrootport) { int port; ba_FORALL(fsttab[vlan]->untag,numports, ({ if(port != newrootport && !(ba_check(fsttab[vlan]->backup,port)) && !(ba_check(fsttab[vlan]->edge,port)) && FSTP_ACTIVE(vlan,port)) { port_set_status(port,vlan,DISCARDING); ba_set(fsttab[vlan]->backup,port); fst_sendbpdu(vlan,port,0,0,0); } }),port); ba_FORALL(fsttab[vlan]->tagged,numports, ({ if(port != newrootport && !(ba_check(fsttab[vlan]->backup,port)) && !(ba_check(fsttab[vlan]->edge,port)) && FSTP_ACTIVE(vlan,port)) { port_set_status(port,vlan,DISCARDING); ba_set(fsttab[vlan]->backup,port); fst_sendbpdu(vlan,port,0,0,0); } }),port); ba_clr(fsttab[vlan]->backup,newrootport); /* forward ON */ port_set_status(newrootport,vlan,FORWARDING); fst_sendbpdu(vlan,newrootport,1,0,0); } /* handling of bpdu incoming packets */ void fst_in_bpdu(int port, struct packet *inpacket, int len, int vlan, int tagged) { struct fstbpdu *p; /* XXX check the header for fake info? */ struct vlst *v=fsttab[vlan]; int val,valroot; if (ba_check(fsttab[vlan]->edge,port)) return; #ifdef DEBUGOPT if (!FSTP_ACTIVE(vlan,port)) { DBGOUT(DBGFSTPPLUS,"Port %04d VLAN %02x:%02x",port,vlan>>8,vlan&0xff); EVENTOUT(DBGFSTPPLUS,port,vlan); } #endif ba_set(fsttab[vlan]->rcvhist[rcvhistindex],port); if (tagged) { p=(struct fstbpdu *)(((unsigned char *)inpacket)+4); len-=4; } else p=(struct fstbpdu *)(inpacket); if (len < 51 || v==NULL || p->stp_version != 2 || p->stp_type != 2) return; /* faulty packet */ /* this is a topology change packet */ if (p->stp_flags & STP_TC) topology_change(vlan,port); ltonstring(nstringtol(p->stp_rootcost)+ (port_getcost(port)-((port==v->bonusport)?v->bonuscost:0)), p->stp_rootcost); /* compare BPDU */ /* >0 means new root, == 0 root unchanged, <0 sender must change topology */ if ((val=valroot=memcmp(v->root,p->stp_root,SWITCHID_LEN)) == 0) if ((val=memcmp(v->rootcost,p->stp_rootcost,4)) == 0) if ((val=memcmp(v->dessw,p->stp_bridge,SWITCHID_LEN)) == 0) val=memcmp(v->port,p->stp_port,2); /*printf("VAL = %d root=%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x" " recv=%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x \n",val, fsttab[vlan]->root[0], fsttab[vlan]->root[1], fsttab[vlan]->root[2], fsttab[vlan]->root[3], fsttab[vlan]->root[4], fsttab[vlan]->root[5], fsttab[vlan]->root[6], fsttab[vlan]->root[7], p->stp_root[0], p->stp_root[1], p->stp_root[2], p->stp_root[3], p->stp_root[4], p->stp_root[5], p->stp_root[6], p->stp_root[7]); printf("++ stp_bridge=%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x" " cost=%02x:%02x:%02x:%02x: port %02x:%02x \n", p->stp_bridge[0], p->stp_bridge[1], p->stp_bridge[2], p->stp_bridge[3], p->stp_bridge[4], p->stp_bridge[5], p->stp_bridge[6], p->stp_bridge[7], p->stp_rootcost[0], p->stp_rootcost[1], p->stp_rootcost[2], p->stp_rootcost[3], p->stp_port[0], p->stp_port[1]); */ if (val == 0) { /* root unchanged / new root announce*/ v->roottimestamp=qtime(); } else { /* new root or new root info*/ if (val > 0 || (port == fsttab[vlan]->rootport && val<0)) { if (memcmp(v->root,outpacket.header.src,8) <= 0) fstnewvlan(vlan); /* printf("NEW ROOT\n");*/ memcpy(v->root,p->stp_root,SWITCHID_LEN); memcpy(v->rootcost,p->stp_rootcost,4); memcpy(v->dessw,p->stp_bridge,SWITCHID_LEN); memcpy(v->port,p->stp_port,2); v->rootport=port; v->roottimestamp=qtime(); DBGOUT(DBGFSTPROOT,"Port %04d VLAN %02x:%02x -> %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", port,vlan>>8,vlan&0xff, v->root[0], v->root[1], v->root[2], v->root[3], v->root[4], v->root[5], v->root[6], v->root[7]); EVENTOUT(DBGFSTPROOT,port,vlan,v->root); fastprotocol(vlan,port); topology_change(vlan,port); } else { if (memcmp(v->root,p->stp_root,SWITCHID_LEN) == 0) { /* critical point: longer path to root */ /* root -> designated */ /* non-root -> blocking */ if ((p->stp_flags & STP_PORTROLEMASK) == STP_ROOT) { if (ba_check(v->backup,port)) { /* backup -> designated transition */ //printf("backup -> designated port %d\n",port); ba_clr(v->backup,port); /* forward ON */ port_set_status(port,vlan,FORWARDING); topology_change(vlan,port); } } else { if (!ba_check(v->backup,port)) { /* designated -> backup transition */ //printf("designated ->backup port %d\n",port); ba_set(v->backup,port); /* forward OFF */ port_set_status(port,vlan,DISCARDING); topology_change(vlan,port); } } } else { /*printf("THIS?\n");*/ fst_sendbpdu(vlan,port,0,0,0); } } } } void fstaddport(int vlan,int port,int tagged) { /*printf("F addport V %d - P %d - T%d\n",vlan,port,tagged);*/ if (tagged) { ba_set(fsttab[vlan]->tagged,port); ba_clr(fsttab[vlan]->untag,port); } else { ba_set(fsttab[vlan]->untag,port); ba_clr(fsttab[vlan]->tagged,port); } ba_clr(fsttab[vlan]->backup,port); ba_clr(fsttab[vlan]->edge,port); ba_clr(fsttab[vlan]->rcvhist[0],port); ba_clr(fsttab[vlan]->rcvhist[1],port); fst_sendbpdu(vlan,port,0,0,0); topology_change(vlan,port); } void fstdelport(int vlan,int port) { /*printf("F delport V %d - P %d\n",vlan,port);*/ if (FSTP_ACTIVE(vlan,port)) { DBGOUT(DBGFSTPMINUS,"Port %04d VLAN %02x:%02x",port,vlan>>8,vlan&0xff); EVENTOUT(DBGFSTPMINUS,port,vlan); } ba_clr(fsttab[vlan]->untag,port); ba_clr(fsttab[vlan]->tagged,port); ba_clr(fsttab[vlan]->backup,port); ba_clr(fsttab[vlan]->edge,port); if (port == fsttab[vlan]->rootport) { fstnewvlan(vlan); } topology_change(vlan,port); } static void fstinitpkt(void) { memcpy(outpacket.stp_bridge,myid,SWITCHID_LEN); memcpy(outtagpacket.stp_bridge,myid,SWITCHID_LEN); memcpy(outpacket.header.src,switchmac,ETH_ALEN); memcpy(outtagpacket.header.src,switchmac,ETH_ALEN); outpacket.stp_hello[0]=outtagpacket.stp_hello[0]=helloperiod, outpacket.stp_hello[1]=outtagpacket.stp_hello[1]=helloperiod>>8, outpacket.stp_maxage[0]=outtagpacket.stp_maxage[0]=maxage, outpacket.stp_maxage[1]=outtagpacket.stp_maxage[1]=maxage>>8, fst_timerno=qtimer_add(helloperiod,0,fst_hello,NULL); } static int fstpshowinfo(FILE *fd) { printoutc(fd,"MAC %02x:%02x:%02x:%02x:%02x:%02x Priority %d (0x%x)", switchmac[0], switchmac[1], switchmac[2], switchmac[3], switchmac[4], switchmac[5], priority,priority); printoutc(fd,"FSTP=%s",(pflag & FSTP_TAG)?"true":"false"); return 0; } static void fstnewvlan2(int vlan, void *arg) { fstnewvlan(vlan); } void fstpshutdown(void) { if (pflag & FSTP_TAG) { qtimer_del(fst_timerno); fstflag(P_CLRFLAG,FSTP_TAG); bac_FORALLFUN(validvlan,NUMOFVLAN,fstnewvlan2,NULL); } } static int fstpsetonoff(FILE *fd, int val) { int oldval=((pflag & FSTP_TAG) != 0); if (portflag(P_GETFLAG, HUB_TAG)){ printoutc(fd, "Can't use fstp in hub mode"); return 0; } val=(val != 0); if (oldval != val) { if (val) { /* START FST */ fstinitpkt(); fstflag(P_SETFLAG,FSTP_TAG); } else { /* STOP FST */ qtimer_del(fst_timerno); fstflag(P_CLRFLAG,FSTP_TAG); bac_FORALLFUN(validvlan,NUMOFVLAN,fstnewvlan2,NULL); } } return 0; } static char *decoderole(int vlan, int port) { if (!(ba_check(fsttab[vlan]->untag,port) || ba_check(fsttab[vlan]->untag,port))) return "Unknown"; if (ba_check(fsttab[vlan]->edge,port)) return "Edge"; if (fsttab[vlan]->rootport == port) return "Root"; if (ba_check(fsttab[vlan]->backup,port)) return "Alternate/Backup"; return "Designated"; } static void fstprintactive(int vlan,FILE *fd) { int i; printoutc(fd,"FST DATA VLAN %04d %s %s",vlan, memcmp(myid,fsttab[vlan]->root,SWITCHID_LEN)==0?"ROOTSWITCH":"", ((pflag & FSTP_TAG)==0)?"FSTP IS DISABLED":""); printoutc(fd, " ++ root %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", fsttab[vlan]->root[0], fsttab[vlan]->root[1], fsttab[vlan]->root[2], fsttab[vlan]->root[3], fsttab[vlan]->root[4], fsttab[vlan]->root[5], fsttab[vlan]->root[6], fsttab[vlan]->root[7]); printoutc(fd, " ++ designated %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", fsttab[vlan]->dessw[0], fsttab[vlan]->dessw[1], fsttab[vlan]->dessw[2], fsttab[vlan]->dessw[3], fsttab[vlan]->dessw[4], fsttab[vlan]->dessw[5], fsttab[vlan]->dessw[6], fsttab[vlan]->dessw[7]); printoutc(fd, " ++ rootport %04d cost %d age %d bonusport %04d bonuscost %d", fsttab[vlan]->rootport, nstringtol(fsttab[vlan]->rootcost), qtime()-fsttab[vlan]->roottimestamp,fsttab[vlan]->bonusport,fsttab[vlan]->bonuscost); ba_FORALL(fsttab[vlan]->untag,numports, printoutc(fd," -- Port %04d tagged=%d portcost=%d role=%s",i,0,port_getcost(i),decoderole(vlan,i)),i); ba_FORALL(fsttab[vlan]->tagged,numports, printoutc(fd," -- Port %04d tagged=%d portcost=%d role=%s",i,1,port_getcost(i),decoderole(vlan,i)),i); } static int fstprint(FILE *fd,char *arg) { if (*arg != 0) { int vlan; vlan=atoi(arg); if (vlan >= 0 && vlan < NUMOFVLAN-1) { if (bac_check(validvlan,vlan)) fstprintactive(vlan,fd); else return ENXIO; } else return EINVAL; } else bac_FORALLFUN(validvlan,NUMOFVLAN,fstprintactive,fd); return 0; } static int fstsetbonus(char *arg) { int vlan, port, cost; if (sscanf(arg,"%i %i %i",&vlan,&port,&cost) != 3) return EINVAL; if (vlan <0 || vlan >= NUMOFVLAN || port < 0 || port >= numports) return EINVAL; if (!bac_check(validvlan,vlan)) return ENXIO; fsttab[vlan]->bonusport=port; fsttab[vlan]->bonuscost=cost; return 0; } static int fstsetedge(char *arg) { int vlan, port, val; if (sscanf(arg,"%i %i %i",&vlan,&port,&val) != 3) return EINVAL; if (vlan <0 || vlan >= NUMOFVLAN || port < 0 || port >= numports) return EINVAL; if (!bac_check(validvlan,vlan)) return ENXIO; if (val) { ba_set(fsttab[vlan]->edge,port); if (ba_check(fsttab[vlan]->untag,port) || ba_check(fsttab[vlan]->untag,port)) port_set_status(port,vlan,FORWARDING); } else { ba_clr(fsttab[vlan]->edge,port); ba_clr(fsttab[vlan]->backup,port); } return 0; } static struct comlist cl[]={ {"fstp","============","FAST SPANNING TREE MENU",NULL,NOARG}, {"fstp/showinfo","","show fstp info",fstpshowinfo,NOARG|WITHFILE}, {"fstp/setfstp","0/1","Fast spanning tree protocol 1=ON 0=OFF",fstpsetonoff,INTARG|WITHFILE}, {"fstp/setedge","VLAN PORT 1/0","Define an edge port for a vlan 1=Y 0=N",fstsetedge,STRARG}, {"fstp/bonus","VLAN PORT COST","set the port bonus for a vlan",fstsetbonus,STRARG}, {"fstp/print","[N]","print fst data for the defined vlan",fstprint,STRARG|WITHFILE}, }; int fstflag(int op,int f) { int oldflag=pflag; switch(op) { case P_GETFLAG: oldflag = pflag & f; break; case P_SETFLAG: pflag=f; break; case P_ADDFLAG: pflag |= f; break; case P_CLRFLAG: pflag &= ~f; break; } return oldflag; } void fst_init(int initnumports) { numports=initnumports; SETFSTID(myid,switchmac,priority); if (pflag & FSTP_TAG) fstinitpkt(); ADDCL(cl); #ifdef DEBUGOPT ADDDBGCL(dl); #endif } #endif vde2-2.3.2+r586/src/vde_switch/fstp.h0000644000000000000000000000125213614540472014025 0ustar /* Copyright 2005 Renzo Davoli VDE-2 * Some minor remain from uml_switch Copyright 2002 Yon Uriarte and Jeff Dike * Licensed under the GPLv2 */ #ifndef _FSTP_H #define _FSTP_H #include "port.h" #ifdef FSTP #define FSTP_TAG 0x1 extern unsigned char bpduaddrp[]; #define ISBPDU(P) (memcmp((P)->header.dest,bpduaddrp,ETH_ALEN)==0) void fstpshutdown(void); int fstnewvlan(int vlan); int fstremovevlan(int vlan); void fstsetnumports (int val); void fst_in_bpdu(int port, struct packet *p, int len, int vlan, int tagged); void fstaddport(int vlan,int port,int tagged); void fstdelport(int vlan,int port); int fstflag(int op, int f); void fst_init(int initnumports); #endif #endif vde2-2.3.2+r586/src/vde_switch/hash.c0000644000000000000000000002306513614540472013775 0ustar /* Copyright 2005 Renzo Davoli VDE-2 * Copyright 2002 Yon Uriarte and Jeff Dike (uml_switch) * Licensed under the GPLv2 * Modified 2003 Renzo Davoli */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "switch.h" #include "hash.h" #include "qtimer.h" #include "consmgmt.h" #include "bitarray.h" #define MIN_PERSISTENCE_DFL 3 static int min_persistence=MIN_PERSISTENCE_DFL; #define HASH_INIT_BITS 7 static int hash_bits; static int hash_mask; #define HASH_SIZE (1 << hash_bits) #ifdef DEBUGOPT #define DBGHASHNEW (dl) #define DBGHASHDEL (dl+1) static struct dbgcl dl[]= { {"hash/+","hash: new element",D_HASH|D_PLUS}, {"hash/-","hash: discarded element",D_HASH|D_MINUS}, }; #endif struct hash_entry { struct hash_entry *next; struct hash_entry **prev; time_t last_seen; int port; u_int64_t dst; }; static struct hash_entry **h; static int calc_hash(u_int64_t src) { src ^= src >> 33; src *= 0xff51afd7ed558ccd; src ^= src >> 33; src *= 0xc4ceb9fe1a85ec53; return src & hash_mask; } #if BYTE_ORDER == LITTLE_ENDIAN #define EMAC2MAC6(X) \ (u_int)((X)&0xff), (u_int)(((X)>>8)&0xff), (u_int)(((X)>>16)&0xff), \ (u_int)(((X)>>24)&0xff), (u_int)(((X)>>32)&0xff), (u_int)(((X)>>40)&0xff) #elif BYTE_ORDER == BIG_ENDIAN #define EMAC2MAC6(X) \ (u_int)(((X)>>24)&0xff), (u_int)(((X)>>16)&0xff), (u_int)(((X)>>8)&0xff), \ (u_int)((X)&0xff), (u_int)(((X)>>40)&0xff), (u_int)(((X)>>32)&0xff) #else #error Unknown Endianess #endif #define EMAC2VLAN(X) ((u_int16_t) ((X)>>48)) #define EMAC2VLAN2(X) ((u_int) (((X)>>48) &0xff)), ((u_int) (((X)>>56) &0xff)) #define find_entry(MAC) \ ({struct hash_entry *e; \ int k = calc_hash(MAC);\ for(e = h[k]; e && e->dst != (MAC); e = e->next)\ ;\ e; }) #define extmac(MAC,VLAN) \ ((*(u_int32_t *) &((MAC)[0])) + ((u_int64_t) ((*(u_int16_t *) &((MAC)[4]))+ ((u_int64_t) (VLAN) << 16)) << 32)) /* looks in global hash table 'h' for given address, and return associated * port */ int find_in_hash(unsigned char *dst,int vlan) { struct hash_entry *e = find_entry(extmac(dst,vlan)); if(e == NULL) return -1; return(e->port); } int find_in_hash_update(unsigned char *src,int vlan,int port) { struct hash_entry *e; u_int64_t esrc=extmac(src,vlan); int k = calc_hash(esrc); int oldport; time_t now; for(e = h[k]; e && e->dst != esrc; e = e->next) ; if(e == NULL) { e = (struct hash_entry *) malloc(sizeof(*e)); if(e == NULL){ printlog(LOG_WARNING,"Failed to malloc hash entry %s",strerror(errno)); return -1; } DBGOUT(DBGHASHNEW,"%02x:%02x:%02x:%02x:%02x:%02x VLAN %02x:%02x Port %d", EMAC2MAC6(esrc), EMAC2VLAN2(esrc), port); EVENTOUT(DBGHASHNEW,esrc); e->dst = esrc; if(h[k] != NULL) h[k]->prev = &(e->next); e->next = h[k]; e->prev = &(h[k]); e->port = port; h[k] = e; } oldport=e->port; now=qtime(); if (oldport!=port) { if ((now - e->last_seen) > min_persistence) { e->port=port; e->last_seen = now; } } else { e->last_seen = now; } return oldport; } #define delete_hash_entry(OLD) \ ({ \ DBGOUT(DBGHASHDEL,"%02x:%02x:%02x:%02x:%02x:%02x VLAN %02x:%02x Port %d", EMAC2MAC6(OLD->dst), EMAC2VLAN2(OLD->dst), OLD->port); \ EVENTOUT(DBGHASHDEL,OLD->dst);\ *((OLD)->prev)=(OLD)->next; \ if((OLD)->next != NULL) (OLD)->next->prev = (OLD)->prev; \ free((OLD)); \ }) void delete_hash(unsigned char *dst,int vlan) { struct hash_entry *old = find_entry(extmac(dst,vlan)); if(old == NULL) return; qtime_csenter(); delete_hash_entry(old); qtime_csexit(); } /* for each entry of the global hash table 'h', calls function f, passing to it * the hash entry and the additional arg 'arg' */ static void for_all_hash(void (*f)(struct hash_entry *, void *), void *arg) { int i; struct hash_entry *e, *next; for(i = 0; i < HASH_SIZE; i++){ for(e = h[i]; e; e = next){ next = e->next; (*f)(e, arg); } } } static void delete_port_iterator (struct hash_entry *e, void *arg) { int *pport=(int *)arg; if (e->port == *pport) delete_hash_entry(e); } void hash_delete_port (int port) { qtime_csenter(); for_all_hash(delete_port_iterator,&port); qtime_csexit(); } static void delete_vlan_iterator (struct hash_entry *e, void *arg) { int *vlan=(int *)arg; if (EMAC2VLAN(e->dst) == (u_int16_t)(*vlan)) delete_hash_entry(e); } void hash_delete_vlan (int vlan) { qtime_csenter(); for_all_hash(delete_vlan_iterator,&vlan); qtime_csexit(); } struct vlanport {int vlan; int port;}; static void delete_vlanport_iterator (struct hash_entry *e, void *arg) { struct vlanport *vp=(struct vlanport *)arg; if ((EMAC2VLAN(e->dst)) == (u_int16_t)(vp->vlan) && e->port == vp->port) delete_hash_entry(e); } void hash_delete_vlanport (int vlan,int port) { struct vlanport vp={vlan,port}; qtime_csenter(); for_all_hash(delete_vlanport_iterator,&vp); qtime_csexit(); } struct vlansetofports {int vlan; bitarray setofports;}; static void delete_vlansetofports_iterator (struct hash_entry *e, void *arg) { struct vlansetofports *vp=(struct vlansetofports *)arg; if ((EMAC2VLAN(e->dst)) == (u_int16_t)(vp->vlan) && ba_check(vp->setofports,e->port)) delete_hash_entry(e); } void hash_delete_vlanports (int vlan,bitarray setofports) { struct vlansetofports vp={vlan,setofports}; qtime_csenter(); for_all_hash(delete_vlansetofports_iterator,&vp); qtime_csexit(); } static void flush_iterator (struct hash_entry *e, void *arg) { delete_hash_entry(e); } void hash_flush () { qtime_csenter(); for_all_hash(flush_iterator,NULL); qtime_csexit(); } #define GC_INTERVAL 2 #define GC_EXPIRE 100 static int gc_interval; static int gc_expire; static unsigned int gc_timerno; /* clean from the hash table entries older than GC_EXPIRE seconds, given that * 'now' points to a time_t structure describing the current time */ static void gc(struct hash_entry *e, void *now) { time_t t = *(time_t *) now; if(e->last_seen + gc_expire < t) delete_hash_entry(e); } /* clean old entries in the hash table 'h', and prepare the timer to be called * again between GC_INTERVAL seconds */ static void hash_gc(void *arg) { time_t t = qtime(); for_all_hash(&gc, &t); } #define HASH_INIT(BIT) \ ({ hash_bits=(BIT);\ hash_mask=HASH_SIZE-1;\ if ((h=(struct hash_entry **) calloc (HASH_SIZE,sizeof (struct hash_entry *))) == NULL) {\ printlog(LOG_WARNING,"Failed to malloc hash table %s",strerror(errno));\ exit(1); \ }\ }) static inline int po2round(int vx) { if (vx == 0) return 0; else { int i=0; int x=vx-1; while (x) { x>>=1; i++; } if (vx != 1< 0) { hash_flush(); qtime_csenter(); free(h); HASH_INIT(po2round(hash_size)); qtime_csexit(); return 0; } else return EINVAL; } int hash_set_gc_interval(int p) { qtimer_del(gc_timerno); gc_interval=p; gc_timerno=qtimer_add(gc_interval,0,hash_gc,NULL); return 0; } int hash_set_gc_expire(int e) { gc_expire=e; return 0; } int hash_set_minper(int e) { min_persistence=e; return 0; } int hash_get_gc_interval() { return gc_interval; } int hash_get_gc_expire() { return gc_expire; } static int find_hash(FILE *fd,char *strmac) { int maci[ETH_ALEN]; unsigned char macv[ETH_ALEN]; unsigned char *mac=macv; int rv=-1; int vlan=0; struct hash_entry *e; if (index(strmac,':') != NULL) rv=sscanf(strmac,"%x:%x:%x:%x:%x:%x %d", maci+0, maci+1, maci+2, maci+3, maci+4, maci+5, &vlan); else rv=sscanf(strmac,"%x.%x.%x.%x.%x.%x %d", maci+0, maci+1, maci+2, maci+3, maci+4, maci+5, &vlan); if (rv < 6) return EINVAL; else { int i; for (i=0;idst), EMAC2MAC6(e->dst),EMAC2VLAN(e->dst), e->port+1, qtime() - e->last_seen); return 0; } } } static void print_hash_entry(struct hash_entry *e, void *arg) { FILE *pfd=arg; printoutc(pfd,"Hash: %04d Addr: %02x:%02x:%02x:%02x:%02x:%02x VLAN %04d to port: %03d " "age %ld secs", calc_hash(e->dst), EMAC2MAC6(e->dst),EMAC2VLAN(e->dst), e->port, qtime() - e->last_seen); } static int print_hash(FILE *fd) { qtime_csenter(); for_all_hash(print_hash_entry, fd); qtime_csexit(); return 0; } static int showinfo(FILE *fd) { printoutc(fd,"Hash size %d",HASH_SIZE); printoutc(fd,"GC interval %d secs",gc_interval); printoutc(fd,"GC expire %d secs",gc_expire); printoutc(fd,"Min persistence %d secs",min_persistence); return 0; } static struct comlist cl[]={ {"hash","============","HASH TABLE MENU",NULL,NOARG}, {"hash/showinfo","","show hash info",showinfo,NOARG|WITHFILE}, {"hash/setsize","N","change hash size",hash_resize,INTARG}, {"hash/setgcint","N","change garbage collector interval",hash_set_gc_interval,INTARG}, {"hash/setexpire","N","change hash entries expire time",hash_set_gc_expire,INTARG}, {"hash/setminper","N","minimum persistence time",hash_set_minper,INTARG}, {"hash/print","","print the hash table",print_hash,NOARG|WITHFILE}, {"hash/find","MAC [VLAN]","MAC lookup",find_hash,STRARG|WITHFILE}, }; /* sets sig_alarm as handler for SIGALRM, and run it a first time */ void hash_init(int hash_size) { HASH_INIT(po2round(hash_size)); gc_interval=GC_INTERVAL; gc_expire=GC_EXPIRE; gc_timerno=qtimer_add(gc_interval,0,hash_gc,NULL); ADDCL(cl); #ifdef DEBUGOPT ADDDBGCL(dl); #endif } vde2-2.3.2+r586/src/vde_switch/hash.h0000644000000000000000000000073013614540472013774 0ustar /* Copyright 2002 Yon Uriarte and Jeff Dike * Licensed under the GPL */ #ifndef __HASH_H__ #define __HASH_H__ extern int find_in_hash(unsigned char *dst,int vlan); extern int find_in_hash_update(unsigned char *dst,int vlan,int port); extern void delete_hash(unsigned char *dst,int vlan); extern void hash_init(int hash_size); extern void hash_delete_port(int port); extern void hash_delete_vlanport(int vlan,int port); extern void hash_delete_vlan (int vlan); #endif vde2-2.3.2+r586/src/vde_switch/packetq.c0000644000000000000000000000427713614540472014506 0ustar /* * packetq - packet queue management. try to send packets several times before discarding. * Copyright 2011 Renzo Davoli * Licensed under the GPLv2 */ #include #include #include #include #include #include #include #include #include #include #include #include #include "consmgmt.h" #ifdef VDE_PQ2 struct packetbuf { short len; short count; }; struct vdepq { struct packetbuf *vdepq_pb; struct vdepq *vdepq_next; }; int vdepq_add(struct vdepq **tail, void *packet, int len, void **tmp) { struct packetbuf *packetbuftmp = *tmp; struct vdepq *newelem; if ((newelem = malloc(sizeof(struct vdepq))) == NULL) return 0; if (packetbuftmp == NULL) { if ((*tmp = packetbuftmp = malloc (sizeof(struct packetbuf)+len))==NULL) { free(newelem); return 0; } packetbuftmp->len=len; packetbuftmp->count=0; memcpy(((void *)(packetbuftmp+1)),packet,len); } newelem->vdepq_pb=packetbuftmp; (packetbuftmp->count)++; //printf("add %p count %d len %d/%d \n",newelem,packetbuftmp->count,len,packetbuftmp->len); if (*tail == NULL) *tail=newelem->vdepq_next=newelem; else { newelem->vdepq_next=(*tail)->vdepq_next; (*tail)->vdepq_next=newelem; *tail=newelem; } return 1; } #define PACKETBUFDEL(X) \ ({ if (--((X)->count) == 0) \ free(X);\ }) void vdepq_del(struct vdepq **tail) { while (*tail != NULL) { struct vdepq *first=(*tail)->vdepq_next; //printf("kill one %p %p\n",first,*tail); PACKETBUFDEL(first->vdepq_pb); if (first == (*tail)) *tail=NULL; else (*tail)->vdepq_next=first->vdepq_next; free(first); } } int vdepq_try(struct vdepq **tail, void *ep, int (*sendfun)(void *ep, void *packet, int len)) { int sent=0; while (*tail != NULL) { struct vdepq *first = (*tail)->vdepq_next; //printf("trysend %p len %d\n",first,first->vdepq_pb->len); if (sendfun(ep, (void *)(first->vdepq_pb + 1), first->vdepq_pb->len) == -EWOULDBLOCK) break; else { PACKETBUFDEL(first->vdepq_pb); if (first == (*tail)) *tail=NULL; else (*tail)->vdepq_next=first->vdepq_next; free(first); sent++; } } return sent; } #endif vde2-2.3.2+r586/src/vde_switch/packetq.h0000644000000000000000000000074713614540472014511 0ustar /* * packetq - packet queue management. try to send packets several times before discarding. * Copyright 2005 Renzo Davoli * Licensed under the GPLv2 */ #ifdef VDE_PQ2 #ifndef _PACKETQ_H #define _PACKETQ_H struct vdepq; struct endpoint; int vdepq_add(struct vdepq **tail, void *packet, int len, void *tmp); 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static int dump(char *arg); struct plugin vde_plugin_data={ .name="dump", .help="dump packets", }; static struct comlist cl[]={ {"dump","============","DUMP Packets",NULL,NOARG}, {"dump/active","0/1","start dumping data",dump,STRARG}, }; #define D_DUMP 0100 static struct dbgcl dl[]= { {"dump/packetin","dump incoming packet",D_DUMP|D_IN}, {"dump/packetout","dump outgoing packet",D_DUMP|D_OUT}, }; static int dump(char *arg) { int active=atoi(arg); if (active) eventadd(testevent,"packet",dl); else eventdel(testevent,"packet",dl); return 0; } static int testevent(struct dbgcl *event,void *arg,va_list v) { struct dbgcl *this=arg; switch (event->tag) { case D_PACKET|D_OUT: this++; case D_PACKET|D_IN: { int port=va_arg(v,int); unsigned char *buf=va_arg(v,unsigned char *); int len=va_arg(v,int); char *pktdump; size_t dumplen; FILE *out=open_memstream(&pktdump,&dumplen); if (out) { int i; fprintf(out,"Pkt: Port %04d len=%04d ", port, len); for (i=0;i #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static char *logfile; static int logfilefd=-1; #define D_LOGIP 0300 static struct dbgcl dl[]= { {"iplog/newip","show new ip addresses",D_LOGIP|D_PLUS}, }; #define D_LOGIP_NEWIP (dl) /* lists of ip ranges to log */ struct ip4logaddr { struct ip4logaddr *next; uint32_t addr; uint32_t mask; }; struct ip6logaddr { struct ip6logaddr *next; uint32_t addr[4]; uint32_t mask[4]; }; struct ip4logaddr *ip4loghead; struct ip6logaddr *ip6loghead; /* packet header structure layer 2 and 3*/ #define ETH_ALEN 6 struct header { unsigned char dest[ETH_ALEN]; unsigned char src[ETH_ALEN]; unsigned char proto[2]; }; union body { struct { unsigned char version; unsigned char filler[11]; unsigned char ip4src[4]; unsigned char ip4dst[4]; } v4; struct { unsigned char version; unsigned char filler[7]; unsigned char ip6src[16]; unsigned char ip6dst[16]; } v6; struct { unsigned char priovlan[2]; } vlan; }; /* vde plugin data */ struct plugin vde_plugin_data={ .name="iplog", .help="log ip/port/user assignment", }; /* translate ipv4 ipv6 addresses into strings for logging */ static inline int ip42string(uint32_t *addr, char *hostname, unsigned int len) { struct sockaddr_in ip4addr; ip4addr.sin_family=AF_INET; ip4addr.sin_port=0; ip4addr.sin_addr.s_addr = *addr; return getnameinfo((struct sockaddr *)&ip4addr,sizeof(ip4addr), hostname,len,NULL,0,NI_NUMERICHOST); } static inline int ip62string(uint32_t *addr, char *hostname, unsigned int len) { struct sockaddr_in6 ip6addr; ip6addr.sin6_family=AF_INET6; ip6addr.sin6_port=0; ip6addr.sin6_flowinfo=0; ip6addr.sin6_scope_id=0; memcpy(&ip6addr.sin6_addr.s6_addr,addr,16); return getnameinfo((struct sockaddr *)&ip6addr,sizeof(ip6addr), hostname,len,NULL,0,NI_NUMERICHOST); } /* hash table of recently seen ip addresses, collision lists are double linked */ #define IP_HASH_SIZE 1024 struct ip_hash_entry { struct ip_hash_entry *next; struct ip_hash_entry **prev; time_t last_seen; int port; short vlan; unsigned char srcmac[ETH_ALEN]; short len; unsigned char ipaddr[4]; }; static struct ip_hash_entry **iph; static inline int ip_hash(int len,unsigned char *addr) { if (len == 4) return((addr[0]+2*addr[1]+3*addr[2]+5*addr[3]) % IP_HASH_SIZE); else return((addr[0]+2*addr[1]+3*addr[2]+5*addr[3]+ 7*addr[4]+11*addr[5]+13*addr[6]+17*addr[7]+ 19*addr[8]+23*addr[9]+29*addr[10]+31*addr[11]+ 37*addr[12]+41*addr[13]+43*addr[14]+47*addr[15]) % IP_HASH_SIZE); } /* search ip address into the hash tacle and add it if it does not exist. log each new item added */ static void ip_find_in_hash_update(int len, unsigned char *addr, unsigned char *srcmac, int vlan, int port) { struct ip_hash_entry *e; int k = ip_hash(len, addr); time_t now; for(e = iph[k]; e && memcmp(e->ipaddr, addr, len) && e->len == len && e->vlan == vlan; e = e->next) ; if(e == NULL) { e = (struct ip_hash_entry *) malloc(sizeof(*e)+(len-4)); if(e == NULL){ printlog(LOG_WARNING,"Failed to malloc ip_hash entry %s",strerror(errno)); return; } memcpy(e->ipaddr, addr, len); if(iph[k] != NULL) iph[k]->prev = &(e->next); e->next = iph[k]; e->prev = &(iph[k]); e->vlan = vlan; e->len = len; e->port = -1; iph[k] = e; } now=qtime(); e->last_seen = now; if(e->port != port || e->vlan != vlan || memcmp(e->srcmac,srcmac,ETH_ALEN)!=0) { e->port=port; e->vlan = vlan; memcpy(e->srcmac,srcmac,ETH_ALEN); char hostname[100]; char msg[1024]; char lf[]="\n"; char stime[26]; struct iovec iov[]={{stime+4,16},{msg,0},{lf,1}}; if ((len==4 && ip42string((uint32_t *)addr,hostname,sizeof(hostname))==0) || (len==16 && ip62string((uint32_t *)addr,hostname,sizeof(hostname))==0)) { struct passwd *pwd; char *username; int epn; char *descr; if ((pwd=getpwuid(port_user(port))) == NULL) username="(none)"; else username=pwd->pw_name; iov[1].iov_len=snprintf(msg,sizeof(msg),"ipv%d %s mac=%02x:%02x:%02x:%02x:%02x:%02x port=%d vlan=%d user=%s", (len==4)?4:6, hostname, srcmac[0], srcmac[1], srcmac[2], srcmac[3], srcmac[4], srcmac[5], port, vlan, username); for (epn=0; (descr=port_descr(port,epn)) != NULL; epn++) { int len=iov[1].iov_len; int descrlen=snprintf(msg+len,sizeof(msg)-len," \"%s\"",descr); iov[1].iov_len+=descrlen; } if (logfilefd >= 0) { time_t ntime=time(&ntime); ctime_r(&ntime,stime); writev(logfilefd,iov,3); } else if (logfilefd != -1) syslog(LOG_INFO, "%s", msg); DBGOUT(D_LOGIP_NEWIP,"%s",msg); } } } /* pass through the hash table and execute function f for each element */ static void ip_for_all_hash(void (*f)(struct ip_hash_entry *, void *), void *arg) { int i; struct ip_hash_entry *e, *next; for(i = 0; i < IP_HASH_SIZE; i++){ for(e = iph[i]; e; e = next){ next = e->next; (*f)(e, arg); } } } /* delete a hash table entry */ static inline void delete_hash_entry(struct ip_hash_entry *old) { *((old)->prev)=(old)->next; if((old)->next != NULL) (old)->next->prev = (old)->prev; free((old)); } #define IP_GC_INTERVAL 10 #define IP_GC_EXPIRE 360 static int ip_gc_interval=IP_GC_INTERVAL; static int ip_gc_expire=IP_GC_EXPIRE; static unsigned int ip_gc_timerno; /* clean from the hash table entries older than IP_GC_EXPIRE seconds, given that * 'now' points to a time_t structure describing the current time */ static void ip_gc(struct ip_hash_entry *e, void *expiretime) { if(e->last_seen <= *((time_t *)expiretime)) delete_hash_entry(e); } /* clean old entries in the hash table 'h', and prepare the timer to be called * again between GC_INTERVAL seconds */ static void ip_hash_gc(void *arg) { time_t t = qtime() - ip_gc_expire; ip_for_all_hash(ip_gc, &t); } /* upcall from vde: new incomping packet */ #define UINT32(X) (((uint32_t *)&(X))) static int iplog_pktin(struct dbgcl *event,void *arg,va_list v) { int vlan=0; int port=va_arg(v,int); unsigned char *buf=va_arg(v,unsigned char *); //int len=va_arg(v,int); struct header *ph=(struct header *) buf; union body *pb=(union body *)(ph+1); //fprintf(stderr,"packet from port %d len %d\n",port,len); if (ph->proto[0]==0x81 && ph->proto[1]==0x00) { /*VLAN*/ vlan=((pb->vlan.priovlan[0] << 8) + pb->vlan.priovlan[1]) & 0xfff; ph=(struct header *)(((char *)ph)+4); pb=(union body *)(((char *)pb)+4); } if (ph->proto[0]==0x08 && ph->proto[1]==0x00 && pb->v4.version == 0x45) { /*v4 */ struct ip4logaddr *ip4scan; /* is the packet in one of the logged ranges? */ for (ip4scan=ip4loghead; ip4scan!=NULL; ip4scan=ip4scan->next) { /*printf("%x %x %x\n",UINT32(pb->v4.ip4src[0]) , ip4scan->mask , ip4scan->addr);*/ uint32_t *addr=UINT32(pb->v4.ip4src[0]); if ((addr[0] & ip4scan->mask) == ip4scan->addr) { ip_find_in_hash_update(4,pb->v4.ip4src,ph->src,vlan,port); break; } } } else if (ph->proto[0]==0x86 && ph->proto[1]==0xdd && pb->v4.version == 0x60) { /*v6 */ struct ip6logaddr *ip6scan; /* is the packet in one of the logged ranges? */ for (ip6scan=ip6loghead; ip6scan!=NULL; ip6scan=ip6scan->next) { /*printf("%x %x %x:",UINT32(pb->v6.ip6src[0]) , ip6scan->mask[0] , ip6scan->addr[0]); printf("%x %x %x:",UINT32(pb->v6.ip6src[4]) , ip6scan->mask[1] , ip6scan->addr[1]); printf("%x %x %x:",UINT32(pb->v6.ip6src[8]) , ip6scan->mask[2] , ip6scan->addr[2]); printf("%x %x %x:",UINT32(pb->v6.ip6src[12]) , ip6scan->mask[3] , ip6scan->addr[3]); printf("\n");*/ uint32_t *addr=UINT32(pb->v6.ip6src[0]); if ( ((addr[0] & ip6scan->mask[0]) == ip6scan->addr[0]) && ((addr[1] & ip6scan->mask[1]) == ip6scan->addr[1]) && ((addr[2] & ip6scan->mask[2]) == ip6scan->addr[2]) && ((addr[3] & ip6scan->mask[3]) == ip6scan->addr[3]) ) { ip_find_in_hash_update(16,pb->v6.ip6src,ph->src,vlan,port); break; } } } return 0; } /* delete all ip address on a specific port (when the port is closed) */ static void port_gc(struct ip_hash_entry *e, void *arg) { int *port=arg; if(*port == e->port) delete_hash_entry(e); } /* upcall from vde: a port has been closed */ static int iplog_port_minus(struct dbgcl *event,void *arg,va_list v) { int port=va_arg(v,int); ip_for_all_hash(&port_gc, &port); return 0; } /*user interface: showinfo */ static int ipshowinfo(FILE *fd) { printoutc(fd,"iplog: ip/port/user logging plugin"); if (logfilefd<0) { if (logfilefd == -1) printoutc(fd,"log disabled"); else printoutc(fd,"log on syslog"); } else printoutc(fd,"log on file %s",logfile); printoutc(fd,"GC interval %d secs",ip_gc_interval); printoutc(fd,"GC expire %d secs",ip_gc_expire); return 0; } /* close the old log file */ static void closelogfile(void) { if (logfilefd >= 0) close(logfilefd); if (logfile != NULL) free(logfile); } /* change the log file */ static int iplogfile(char *arg) { if (*arg) { if (strcmp(arg,"-")==0) { closelogfile(); logfilefd=-2; return 0; } else { int fd; fd=open(arg,O_CREAT|O_WRONLY|O_APPEND,0600); if (fd>=0) { char abspath[PATH_MAX]; closelogfile(); logfilefd=fd; vde_realpath(arg,abspath); logfile=strdup(abspath); return 0; } else return ENOENT; } } else { closelogfile(); logfilefd=-1; return 0; } } /* add a v4 range (recursive) */ static int iplog4radd(struct ip4logaddr **ph, uint32_t addr, uint32_t mask) { if (*ph == NULL) { *ph=malloc(sizeof(struct ip4logaddr)); if (*ph==NULL) return ENOMEM; else { (*ph)->next=NULL; (*ph)->addr=addr; (*ph)->mask=mask; return 0; } } else { if ((*ph)->addr==addr && (*ph)->mask==mask) return EEXIST; else return iplog4radd(&((*ph)->next),addr,mask); } } /* add a v6 range (recursive) */ static int iplog6radd(struct ip6logaddr **ph, uint32_t addr[4], uint32_t mask[4]) { if (*ph == NULL) { *ph=malloc(sizeof(struct ip6logaddr)); if (*ph==NULL) return ENOMEM; else { (*ph)->next=NULL; memcpy((void *)((*ph)->addr),addr,16); memcpy((void *)((*ph)->mask),mask,16); return 0; } } else { if (memcmp(&((*ph)->addr),addr,16) == 0 && memcmp(&((*ph)->mask),mask,16) == 0) return EEXIST; else return iplog6radd(&((*ph)->next),addr,mask); } } /* delete a v4 range (recursive) */ static int iplog4rdel(struct ip4logaddr **ph, uint32_t addr, uint32_t mask) { if (*ph == NULL) { return ENOENT; } else { if ((*ph)->addr==addr && (*ph)->mask==mask) { struct ip4logaddr *this=*ph; *ph=(*ph)->next; free(this); return 0; } else return iplog4rdel(&((*ph)->next),addr,mask); } } /* delete a v6 range (recursive) */ static int iplog6rdel(struct ip6logaddr **ph, uint32_t addr[4], uint32_t mask[4]) { if (*ph == NULL) { return ENOENT; } else { if (memcmp(&((*ph)->addr),addr,16) == 0 && memcmp(&((*ph)->mask),mask,16) == 0) { struct ip6logaddr *this=*ph; *ph=(*ph)->next; free(this); return 0; } else return iplog6rdel(&((*ph)->next),addr,mask); } } /* create a mask from the number of bits */ static void n2mask(int len,int n, uint32_t *out) { char m[len]; int i; for (i=0;i=8) m[i]=0xff; else if (n>0) m[i]=~((1<<(8-n))-1); else m[i]=0; } len=(len+sizeof(uint32_t)-1)/sizeof(uint32_t); for (i=0;i>=1) { if (m[i] & sm) n++; else return n; } } return n; } /* convert an ipv4 or ipv6 address into addr/mask */ static int char2addr_mask(char *arg, uint32_t *addr, uint32_t *mask) { struct addrinfo *ai; char *smask=strrchr(arg,'/'); int len; if (smask != NULL) { *smask=0; smask++; } if (getaddrinfo(arg,NULL,NULL,&ai) != 0) return -1; else { if (ai->ai_family == AF_INET) { struct sockaddr_in *ip4addr=(struct sockaddr_in *) ai->ai_addr; len=4; if (smask != NULL) n2mask(len,atoi(smask),mask); else n2mask(len,32,mask); addr[0]=ip4addr->sin_addr.s_addr & mask[0]; } else if (ai->ai_family == AF_INET6) { int i; struct sockaddr_in6 *ip6addr=(struct sockaddr_in6 *) ai->ai_addr; len=16; if (smask != NULL) n2mask(len,atoi(smask),mask); else n2mask(len,128,mask); for (i=0;i<4;i++) addr[i]=*(((uint32_t *)ip6addr->sin6_addr.s6_addr)+i) & mask[i]; } else len=-1; freeaddrinfo(ai); return len; } } /* user interface: add an ipv4 or ipv6 range */ static int iplogadd(char *arg) { uint32_t addr[4],mask[4]; int len=char2addr_mask(arg,addr,mask); if (len == 4) return iplog4radd(&ip4loghead,addr[0],mask[0]); else if (len == 16) return iplog6radd(&ip6loghead,addr,mask); else return EINVAL; } /* user interface: delete an ipv4 or ipv6 range */ static int iplogdel(char *arg) { uint32_t addr[4],mask[4]; int len=char2addr_mask(arg,addr,mask); if (len == 4) return iplog4rdel(&ip4loghead,addr[0],mask[0]); else if (len == 16) return iplog6rdel(&ip6loghead,addr,mask); else return EINVAL; } /* list the ipv4 ranges */ static void iplog4rlist(struct ip4logaddr *ph, FILE *fd) { if (ph != NULL) { char hostname[20]; if (ip42string(&ph->addr,hostname,sizeof(hostname)) == 0) printoutc(fd," ipv4: %s/%d",hostname,mask2n(4,&ph->mask)); iplog4rlist(ph->next,fd); } } /* list the ipv6 ranges */ static void iplog6rlist(struct ip6logaddr *ph, FILE *fd) { if (ph != NULL) { char hostname[100]; if (ip62string(ph->addr,hostname,sizeof(hostname)) == 0) printoutc(fd," ipv6: %s/%d",hostname,mask2n(16,&ph->mask)); iplog6rlist(ph->next,fd); } } /* user interfaces list the ip ranges (v4 and v6)*/ static int iploglist(FILE *fd) { iplog4rlist(ip4loghead,fd); iplog6rlist(ip6loghead,fd); return 0; } /* user interfaces set the garbage collection interval*/ int iplog_set_gc_interval(int p) { qtimer_del(ip_gc_timerno); ip_gc_interval=p; ip_gc_timerno=qtimer_add(ip_gc_interval,0,ip_hash_gc,NULL); return 0; } /* user interfaces set the expire interval*/ int iplog_set_gc_expire(int e) { ip_gc_expire=e; return 0; } /* print an item of the recent ip hash table */ static void iplog_iplist_item(struct ip_hash_entry *e, void *arg) { FILE *fd=arg; char hostname[100]; if ((e->len==4 && ip42string((uint32_t *)e->ipaddr,hostname,sizeof(hostname))==0) || (e->len==16 && ip62string((uint32_t *)e->ipaddr,hostname,sizeof(hostname))==0)) { struct passwd *pwd; char *username; if ((pwd=getpwuid(port_user(e->port))) == NULL) username="(none)"; else username=pwd->pw_name; printoutc(fd,"ipv%d %s port=%d user=%s", (e->len==4)?4:6, hostname, e->port, username); } } /* user interface: list all the ip addresses in the hash table */ static int iplog_iplist(FILE *fd) { ip_for_all_hash(iplog_iplist_item, fd); return 0; } /* user interface: list the ip addresses on a specific port */ struct ipport_data { FILE *fd; int port; }; static void iplog_ipport_item(struct ip_hash_entry *e, void *arg) { struct ipport_data *pipd=arg; if (e->port == pipd->port) iplog_iplist_item(e,pipd->fd); } static int iplog_ipport(FILE *fd,int port) { struct ipport_data ipd={fd, port}; ip_for_all_hash(iplog_ipport_item, &ipd); return 0; } /* user interface: list the ip addresses of a specific user */ struct ipuser_data { FILE *fd; uid_t user; }; static void iplog_ipuser_item(struct ip_hash_entry *e, void *arg) { struct ipuser_data *piud=arg; if (port_user(e->port) == piud->user) iplog_iplist_item(e,piud->fd); } static int iplog_ipuser(FILE *fd,char *user) { struct passwd *pwd; struct ipuser_data iud={.fd=fd}; if (user==NULL || *user==0) return EINVAL; if (isdigit(*user)) pwd=getpwuid(atoi(user)); else pwd=getpwnam(user); if (pwd == NULL) return EINVAL; iud.user=pwd->pw_uid; ip_for_all_hash(iplog_ipuser_item, &iud); return 0; } /* user interface: search an ip address in the hash table */ static void iplog_ipsearch_item(int len,unsigned char *addr, FILE *fd) { struct ip_hash_entry *e; int k = ip_hash(len, addr); for(e = iph[k]; e && memcmp(e->ipaddr, addr, len) && e->len == len; e = e->next) ; if(e != NULL) iplog_iplist_item(e,fd); } static int iplog_ipsearch(FILE *fd,char *addr) { struct addrinfo *ai; int rv=0; if (addr==NULL || *addr==0) return EINVAL; if (getaddrinfo(addr,NULL,NULL,&ai) != 0) return EINVAL; if (ai->ai_family == AF_INET) { struct sockaddr_in *ip4addr=(struct sockaddr_in *) ai->ai_addr; iplog_ipsearch_item(4, (unsigned char *) &ip4addr->sin_addr.s_addr, fd); } else if (ai->ai_family == AF_INET6) { struct sockaddr_in6 *ip6addr=(struct sockaddr_in6 *) ai->ai_addr; iplog_ipsearch_item(16, ip6addr->sin6_addr.s6_addr , fd); } else rv=EINVAL; freeaddrinfo(ai); return rv; } /* command list */ static struct comlist cl[]={ {"iplog","============","IP/Mac/User Logging",NULL,NOARG}, {"iplog/showinfo","","Show info on logging",ipshowinfo,NOARG|WITHFILE}, {"iplog/logfile","pathname","Set the logfile",iplogfile,STRARG}, {"iplog/ipadd","ipaddr/mask","add an ipv4/v6 range",iplogadd,STRARG}, {"iplog/ipdel","ipaddr/mask","del an ipv6/v6 range",iplogdel,STRARG}, {"iplog/list","","list ip ranges",iploglist,NOARG|WITHFILE}, {"iplog/setgcint","N","change garbage collector interval",iplog_set_gc_interval,INTARG}, {"iplog/setexpire","N","change iplog entries expire time",iplog_set_gc_expire,INTARG}, {"iplog/iplist","","list active IP",iplog_iplist,NOARG|WITHFILE}, {"iplog/ipport","port","list active IP on a port",iplog_ipport,INTARG|WITHFILE}, {"iplog/ipuser","user","list active IP of a user",iplog_ipuser,STRARG|WITHFILE}, {"iplog/ipsearch","ipaddr","search an IP address",iplog_ipsearch,STRARG|WITHFILE}, }; static int iplog_hup(struct dbgcl *event,void *arg,va_list v) { if (logfilefd >= 0) { char stime[26]; char lf[]="\n"; char *prehup="SIGHUP: closing file"; char *posthup="SIGHUP: opening file"; struct iovec preiov[]={{stime+4,16},{prehup,strlen(prehup)},{lf,1}}; struct iovec postiov[]={{stime+4,16},{posthup,strlen(posthup)},{lf,1}}; time_t ntime=time(&ntime); ctime_r(&ntime,stime); writev(logfilefd,preiov,3); close(logfilefd); logfilefd=open(logfile,O_CREAT|O_WRONLY|O_APPEND,0600); writev(logfilefd,postiov,3); } return 0; } static void __attribute__ ((constructor)) init (void) { iph=calloc(IP_HASH_SIZE,sizeof(struct ip_hash_entry *)); ADDCL(cl); ADDDBGCL(dl); ip_gc_timerno=qtimer_add(ip_gc_interval,0,ip_hash_gc,NULL); eventadd(iplog_hup, "sig/hup", NULL); eventadd(iplog_pktin, "packet/in", NULL); eventadd(iplog_port_minus, "port/-", NULL); } static void __attribute__ ((destructor)) fini (void) { time_t t = qtime(); closelogfile(); eventdel(iplog_port_minus, "port/-", NULL); eventdel(iplog_pktin, "packet/in", NULL); eventdel(iplog_hup, "sig/hup", NULL); qtimer_del(ip_gc_timerno); DELCL(cl); DELDBGCL(dl); ip_for_all_hash(ip_gc, &t); free(iph); } vde2-2.3.2+r586/src/vde_switch/plugins/pdump.c0000644000000000000000000001000713614540472015650 0ustar #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #define DEFAULT_DUMPFILE "vde_dump.cap" /* usage: * * plugin/add pdump.so * debug/add pdump/packetin * debug/add pdump/packetout * pdump/active 1 */ /* * TODO(godog): * - configurable snaplen * - per-port dump(file?) * TODO(shammash): * - configurable size for buffered dump */ static int pktevent(struct dbgcl *tag, void *arg, va_list v); char errbuf[PCAP_ERRBUF_SIZE]; pcap_t *desc = NULL; pcap_dumper_t *dumper = NULL; char *dumpfile = NULL; static int buffered_dump = 0; struct plugin vde_plugin_data={ .name="pdump", .help="dump packets to file, in pcap format", }; static int set_dumper(FILE *console) { int fd; FILE *fp; if ((fd = open(dumpfile, O_WRONLY | O_CREAT, 0600)) < 0) { printoutc(console, "%s() open(%s): %s", __FUNCTION__, dumpfile, strerror(errno)); return -1; } if ((fp = fdopen(fd, "w")) == NULL) { printoutc(console, "%s() fdopen(): %s", __FUNCTION__, strerror(errno)); return -1; } if ((dumper = pcap_dump_fopen(desc, fp)) == NULL) { printoutc(console, "%s() pcap_dump_fopen(): %s", __FUNCTION__, pcap_geterr(desc)); return -1; } return 0; } // FIXME check if dumpfile exists, it will be trucated static int dump(FILE *fd, char *arg) { int active=atoi(arg); int rv; if (active){ if(!dumper && set_dumper(fd)) { printoutc(fd, "ERROR: cannot dump to %s", dumpfile); return EINVAL; } rv=eventadd(pktevent,"packet",NULL); }else{ rv=eventdel(pktevent,"packet",NULL); if(dumper) pcap_dump_flush(dumper); } return rv; } static int setfname(FILE *fd, char *arg) { if(strlen(arg)){ free(dumpfile); dumpfile = strdup(arg); if(dumper) pcap_dump_close(dumper); if (set_dumper(fd)) { printoutc(fd, "ERROR: cannot dump to %s", dumpfile); return EINVAL; } } printoutc(fd, "dumpfile=%s", dumpfile); return 0; } static int setbuffered(char *arg) { int b = atoi(arg); if (b) buffered_dump = 1; else buffered_dump = 0; return 0; } static struct comlist cl[]={ {"pdump","============","DUMP Packets to file",NULL,NOARG}, {"pdump/active","0/1","start dumping data",dump,STRARG|WITHFILE}, {"pdump/filename", "", "set/show output filename (default: vde_dump.cap)", setfname, STRARG|WITHFILE}, {"pdump/buffered", "0/1", "set buffered/unbuffered dump", setbuffered, STRARG}, }; /* * pcap_t *pcap_open_dead(int linktype, int snaplen) * int pcap_compile(pcap_t *p, struct bpf_program *fp, * char *str, int optimize, bpf_u_int32 netmask) * int pcap_setfilter(pcap_t *p, struct bpf_program *fp) * void pcap_freecode(struct bpf_program *) */ /* TODO(godog): activate debug as well when activated? */ #define D_DUMP 0100 static struct dbgcl dl[]= { {"pdump/packetin","dump incoming packet to file",D_DUMP|D_IN}, {"pdump/packetout","dump outgoing packet to file",D_DUMP|D_OUT}, }; static int pktevent(struct dbgcl *event,void * arg,va_list v) { // is it better to define this static? struct pcap_pkthdr hdr; if( (desc == NULL) || (dumper == NULL) ){ return 0; } switch (event->tag) { case D_PACKET|D_OUT: case D_PACKET|D_IN: { va_arg(v,int); /* port */ unsigned char *buf=va_arg(v,unsigned char *); int len=va_arg(v,int); gettimeofday(&hdr.ts, NULL); hdr.caplen = len; hdr.len = len; pcap_dump((u_char *)dumper, &hdr, buf); if (!buffered_dump) pcap_dump_flush(dumper); } } return 0; } static void __attribute__ ((constructor)) init (void) { ADDCL(cl); ADDDBGCL(dl); desc = pcap_open_dead(DLT_EN10MB, 96); dumpfile = strdup(DEFAULT_DUMPFILE); } static void __attribute__ ((destructor)) fini (void) { eventdel(pktevent, "packet", NULL); if(dumper) { pcap_dump_flush(dumper); pcap_dump_close(dumper); dumper = NULL; } pcap_close(desc); desc = NULL; free(dumpfile); DELCL(cl); DELDBGCL(dl); } vde2-2.3.2+r586/src/vde_switch/port.c0000644000000000000000000010653113614540472014036 0ustar /* Copyright 2005 Renzo Davoli VDE-2 * 2008 Luca Saiu (Marionnet project): a better hub implementation * Some minor remain from uml_switch Copyright 2002 Yon Uriarte and Jeff Dike * Licensed under the GPLv2 */ #include #include #include #include #include #include #include #include #include /*ntoh conversion*/ #include #include #include #include #include #include #include #include "switch.h" #include "hash.h" #include "qtimer.h" #include "port.h" #include "fcntl.h" #include "consmgmt.h" #include "bitarray.h" #include "fstp.h" #include "packetq.h" static int pflag=0; static int numports; #ifdef VDE_PQ2 static int stdqlen=128; #endif static struct port **portv; #ifdef DEBUGOPT #define DBGPORTNEW (dl) #define DBGPORTDEL (dl+1) #define DBGPORTDESCR (dl+2) #define DBGEPNEW (dl+3) #define DBGEPDEL (dl+4) #define PKTFILTIN (dl+5) #define PKTFILTOUT (dl+6) static struct dbgcl dl[]= { {"port/+","new port",D_PORT|D_PLUS}, {"port/-","closed port",D_PORT|D_MINUS}, {"port/descr","set port description",D_PORT|D_DESCR}, {"port/ep/+","new endpoint",D_EP|D_PLUS}, {"port/ep/-","closed endpoint",D_EP|D_MINUS}, {"packet/in",NULL,D_PACKET|D_IN}, {"packet/out",NULL,D_PACKET|D_OUT}, }; #endif // for dedugging if needed /* void packet_dump (struct packet *p) { int i; printf ("packet dump dst"); for (i=0;iheader.dest[i]); printf(" src"); for (i=0;iheader.src[i]); printf(" proto"); for (i=0;i<2;i++) printf(":%02x",p->header.proto[i]); printf("\n"); }*/ struct endpoint { int port; int fd_ctl; int fd_data; char *descr; #ifdef VDE_PQ2 struct vdepq *vdepq; int vdepq_count; int vdepq_max; #endif struct endpoint *next; }; #define NOTINPOOL 0x8000 struct port { struct endpoint *ep; int flag; /* sender is already inside ms, but it needs one more memaccess */ int (*sender)(int fd_ctl, int fd_data, void *packet, int len, int port); struct mod_support *ms; int vlanuntag; uid_t user; gid_t group; uid_t curuser; #ifdef FSTP int cost; #endif #ifdef PORTCOUNTERS long long pktsin,pktsout,bytesin,bytesout; #endif }; /* VLAN MANAGEMENT: * table the vlan table (also for inactive ports) * vlan bctag is the vlan table -- only tagged forwarding ports mapping * vlan bcuntag is the vlan table -- only untagged forwarding ports mapping * validvlan is the table of valid vlans */ struct { bitarray table; bitarray bctag; bitarray bcuntag; bitarray notlearning; } vlant[NUMOFVLAN+1]; bitarray validvlan; #define IS_BROADCAST(addr) ((addr[0] & 1) == 1) static int alloc_port(unsigned int portno) { int i=portno; if (i==0) { /* take one */ for (i=1;iep != NULL || portv[i]->flag & NOTINPOOL) ;i++) ; } else if (i<0) /* special case MGMT client port */ i=0; if (i >= numports) return -1; else { if (portv[i] == NULL) { struct port *port; if ((port = malloc(sizeof(struct port))) == NULL){ printlog(LOG_WARNING,"malloc port %s",strerror(errno)); return -1; } else { DBGOUT(DBGPORTNEW,"%02d", i); EVENTOUT(DBGPORTNEW,i); portv[i]=port; port->ep=NULL; port->user=port->group=port->curuser=-1; #ifdef FSTP port->cost=DEFAULT_COST; #endif #ifdef PORTCOUNTERS port->pktsin=0; port->pktsout=0; port->bytesin=0; port->bytesout=0; #endif port->flag=0; port->sender=NULL; port->vlanuntag=0; ba_set(vlant[0].table,i); } } return i; } } static void free_port(unsigned int portno) { if (portno < numports) { struct port *port=portv[portno]; if (port != NULL && port->ep==NULL) { portv[portno]=NULL; int i; /* delete completely the port. all vlan defs zapped */ bac_FORALL(validvlan,NUMOFVLAN,ba_clr(vlant[i].table,portno),i); free(port); } } } #ifdef VDE_BIONIC static inline int user_belongs_to_group(uid_t uid, gid_t gid) { return 0; } #else /* 1 if user belongs to the group, 0 otherwise) */ static int user_belongs_to_group(uid_t uid, gid_t gid) { struct passwd *pw=getpwuid(uid); if (pw == NULL) return 0; else { if (gid==pw->pw_gid) return 1; else { struct group *grp; setgrent(); while ((grp = getgrent())) { if (grp->gr_gid == gid) { int i; for (i = 0; grp->gr_mem[i]; i++) { if (strcmp(grp->gr_mem[i], pw->pw_name)==0) { endgrent(); return 1; } } } } endgrent(); return 0; } } } #endif /* Access Control check: returns 0->OK -1->Permission Denied */ static int checkport_ac(struct port *port, uid_t user) { /*unrestricted*/ if (port->user == -1 && port->group == -1) return 0; /*root or restricted to a specific user*/ else if (user==0 || (port->user != -1 && port->user==user)) return 0; /*restricted to a group*/ else if (port->group != -1 && user_belongs_to_group(user,port->group)) return 0; else { errno=EPERM; return -1; } } /* initialize a new endpoint */ struct endpoint *setup_ep(int portno, int fd_ctl, int fd_data, uid_t user, struct mod_support *modfun) { struct port *port; struct endpoint *ep; if ((portno = alloc_port(portno)) >= 0) { port=portv[portno]; if (port->ep == NULL && checkport_ac(port,user)==0) port->curuser=user; if (port->curuser == user && (ep=malloc(sizeof(struct endpoint))) != NULL) { DBGOUT(DBGEPNEW,"Port %02d FD %2d", portno,fd_ctl); EVENTOUT(DBGEPNEW,portno,fd_ctl); port->ms=modfun; port->sender=modfun->sender; ep->port=portno; ep->fd_ctl=fd_ctl; ep->fd_data=fd_data; ep->descr=NULL; #ifdef VDE_PQ2 ep->vdepq=NULL; ep->vdepq_count=0; ep->vdepq_max=stdqlen; #endif if(port->ep == NULL) {/* WAS INACTIVE */ int i; /* copy all the vlan defs to the active vlan defs */ ep->next=port->ep; port->ep=ep; bac_FORALL(validvlan,NUMOFVLAN, ({if (ba_check(vlant[i].table,portno)) { ba_set(vlant[i].bctag,portno); #ifdef FSTP fstaddport(i,portno,(i!=port->vlanuntag)); #endif } }),i); if (port->vlanuntag != NOVLAN) { ba_set(vlant[port->vlanuntag].bcuntag,portno); ba_clr(vlant[port->vlanuntag].bctag,portno); ba_clr(vlant[port->vlanuntag].notlearning,portno); } } else { ep->next=port->ep; port->ep=ep; } return ep; } else { if (port->curuser != user) errno=EADDRINUSE; else errno=ENOMEM; return NULL; } } else { errno=ENOMEM; return NULL; } } int ep_get_port(struct endpoint *ep) { return ep->port; } void setup_description(struct endpoint *ep, char *descr) { DBGOUT(DBGPORTDESCR,"Port %02d FD %2d -> \"%s\"",ep->port,ep->fd_ctl,descr); EVENTOUT(DBGPORTDESCR,ep->port,ep->fd_ctl,descr); ep->descr=descr; } static int rec_close_ep(struct endpoint **pep, int fd_ctl) { struct endpoint *this=*pep; if (this != NULL) { if (this->fd_ctl==fd_ctl) { DBGOUT(DBGEPDEL,"Port %02d FD %2d",this->port,fd_ctl); EVENTOUT(DBGEPDEL,this->port,fd_ctl); *pep=this->next; #ifdef VDE_PQ2 vdepq_del(&(this->vdepq)); #endif if (portv[this->port]->ms->delep) portv[this->port]->ms->delep(this->fd_ctl,this->fd_data,this->descr); free(this); return 0; } else return rec_close_ep(&(this->next),fd_ctl); } else return ENXIO; } static int close_ep_port_fd(int portno, int fd_ctl) { if (portno >=0 && portno < numports) { struct port *port=portv[portno]; if (port != NULL) { int rv=rec_close_ep(&(port->ep),fd_ctl); if (port->ep == NULL) { DBGOUT(DBGPORTDEL,"%02d",portno); EVENTOUT(DBGPORTDEL,portno); hash_delete_port(portno); port->ms=NULL; port->sender=NULL; port->curuser=-1; int i; /* inactivate port: all active vlan defs cleared */ bac_FORALL(validvlan,NUMOFVLAN,({ ba_clr(vlant[i].bctag,portno); #ifdef FSTP fstdelport(i,portno); #endif }),i); if (port->vlanuntag < NOVLAN) ba_clr(vlant[port->vlanuntag].bcuntag,portno); } return rv; } else return ENXIO; } else return EINVAL; } int close_ep(struct endpoint *ep) { return close_ep_port_fd(ep->port, ep->fd_ctl); } #ifdef VDE_PQ2 static int rec_setqlen_ep(struct endpoint *ep, int fd_ctl, int len) { struct endpoint *this=ep; if (this != NULL) { if (this->fd_ctl==fd_ctl) { ep->vdepq_max = len; return 0; } else return rec_setqlen_ep(this->next, fd_ctl, len); } else return ENXIO; } static int setqlen_ep_port_fd(int portno, int fd_ctl, int len) { if (portno >=0 && portno < numports) { struct port *port=portv[portno]; if (port != NULL) { return rec_setqlen_ep(port->ep, fd_ctl, len); } else return ENXIO; } else return EINVAL; } #endif int portflag(int op,int f) { int oldflag=pflag; switch(op) { case P_GETFLAG: oldflag = pflag & f; break; case P_SETFLAG: pflag=f; break; case P_ADDFLAG: pflag |= f; break; case P_CLRFLAG: pflag &= ~f; break; } return oldflag; } /*********************** sending macro used by Core ******************/ /* VDBG counter: count[port].spacket++; count[port].sbytes+=len */ #ifdef PORTCOUNTERS #define SEND_COUNTER_UPD(Port,LEN) ({Port->pktsout++; Port->bytesout +=len;}) #else #define SEND_COUNTER_UPD(Port,LEN) #endif #ifndef VDE_PQ2 #define SEND_PACKET_PORT(PORT,PORTNO,PACKET,LEN) \ ({\ struct port *Port=(PORT); \ if (PACKETFILTER(PKTFILTOUT,(PORTNO),(PACKET), (LEN))) {\ struct endpoint *ep; \ SEND_COUNTER_UPD(Port,LEN); \ for (ep=Port->ep; ep != NULL; ep=ep->next) \ Port->ms->sender(ep->fd_ctl, ep->fd_data, (PACKET), (LEN), ep->port); \ } \ }) #else #define SEND_PACKET_PORT(PORT,PORTNO,PACKET,LEN,TMPBUF) \ ({\ struct port *Port=(PORT); \ if (PACKETFILTER(PKTFILTOUT,(PORTNO),(PACKET), (LEN))) {\ struct endpoint *ep; \ SEND_COUNTER_UPD(Port,LEN); \ for (ep=Port->ep; ep != NULL; ep=ep->next) \ if (ep->vdepq_count || \ Port->ms->sender(ep->fd_ctl, ep->fd_data, (PACKET), (LEN), ep->port) == -EWOULDBLOCK) {\ if (ep->vdepq_count < ep->vdepq_max) \ ep->vdepq_count += vdepq_add(&(ep->vdepq), (PACKET), (LEN), TMPBUF); \ if (ep->vdepq_count == 1) mainloop_pollmask_add(ep->fd_data, POLLOUT);\ } \ } \ }) #endif #ifdef FSTP /* functions for FSTP */ void port_send_packet(int portno, void *packet, int len) { #ifndef VDE_PQ2 SEND_PACKET_PORT(portv[portno],portno,packet,len); #else void *tmpbuf=NULL; SEND_PACKET_PORT(portv[portno],portno,packet,len,&tmpbuf); #endif } void portset_send_packet(bitarray portset, void *packet, int len) { int i; #ifndef VDE_PQ2 ba_FORALL(portset,numports, SEND_PACKET_PORT(portv[i],i,packet,len), i); #else void *tmpbuf=NULL; ba_FORALL(portset,numports, SEND_PACKET_PORT(portv[i],i,packet,len,&tmpbuf), i); #endif } void port_set_status(int portno, int vlan, int status) { if (ba_check(vlant[vlan].table,portno)) { if (status==DISCARDING) { ba_set(vlant[vlan].notlearning,portno); ba_clr(vlant[vlan].bctag,portno); ba_clr(vlant[vlan].bcuntag,portno); } else if (status==LEARNING) { ba_clr(vlant[vlan].notlearning,portno); ba_clr(vlant[vlan].bctag,portno); ba_clr(vlant[vlan].bcuntag,portno); } else { /*forwarding*/ ba_clr(vlant[vlan].notlearning,portno); if (portv[portno]->vlanuntag == vlan) ba_set(vlant[vlan].bcuntag,portno); else ba_set(vlant[vlan].bctag,portno); } } } int port_get_status(int portno, int vlan) { if (ba_check(vlant[vlan].notlearning,portno)) return DISCARDING; else { if (ba_check(vlant[vlan].bctag,portno) || ba_check(vlant[vlan].bcuntag,portno)) return FORWARDING; else return LEARNING; } } int port_getcost(int port) { return portv[port]->cost; } #endif /************************************ CORE PACKET MGMT *****************************/ /* TAG2UNTAG packet: * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ * | Destination | Source |81 00|pvlan| L/T | data * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ * * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ * | Destination | Source | L/T | data * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ * * Destination/Source: 4 byte right shift * Length -4 bytes * Pointer to the packet: +4 bytes * */ #define TAG2UNTAG(P,LEN) \ ({ memmove((char *)(P)+4,(P),2*ETH_ALEN); LEN -= 4 ; \ (struct packet *)((char *)(P)+4); }) /* TAG2UNTAG packet: * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ * | Destination | Source | L/T | data * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ * * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ * | Destination | Source |81 00|pvlan| L/T | data * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ * Destination/Source: 4 byte left shift * Length -4 bytes * Pointer to the packet: +4 bytes * The space has been allocated in advance (just in case); all the modules * read data into a bipacket. */ #define UNTAG2TAG(P,VLAN,LEN) \ ({ memmove((char *)(P)-4,(P),2*ETH_ALEN); LEN += 4 ; \ (P)->header.src[2]=0x81; (P)->header.src[3]=0x00;\ (P)->header.src[4]=(VLAN >> 8); (P)->header.src[5]=(VLAN);\ (struct packet *)((char *)(P)-4); }) #ifdef VDE_PQ2 static int trysendfun(struct endpoint *ep, void *packet, int len) { int port=ep->port; return portv[port]->ms->sender(ep->fd_ctl, ep->fd_data, packet, len, port); } void handle_out_packet(struct endpoint *ep) { //printf("handle_out_packet %d\n",ep->vdepq_count); ep->vdepq_count -= vdepq_try(&(ep->vdepq),ep,trysendfun); if (ep->vdepq_count == 0) mainloop_pollmask_del(ep->fd_data, POLLOUT); } #endif void handle_in_packet(struct endpoint *ep, struct packet *packet, int len) { int tarport; int vlan,tagged; int port=ep->port; if(PACKETFILTER(PKTFILTIN,port,packet,len)) { #ifdef PORTCOUNTERS portv[port]->pktsin++; portv[port]->bytesin+=len; #endif if (pflag & HUB_TAG) { /* this is a HUB */ int i; #ifndef VDE_PQ2 for(i = 1; i < numports; i++) if((i != port) && (portv[i] != NULL)) SEND_PACKET_PORT(portv[i],i,packet,len); #else void *tmpbuf=NULL; for(i = 1; i < numports; i++) if((i != port) && (portv[i] != NULL)) SEND_PACKET_PORT(portv[i],i,packet,len,&tmpbuf); #endif } else { /* This is a switch, not a HUB! */ if (packet->header.proto[0] == 0x81 && packet->header.proto[1] == 0x00) { tagged=1; vlan=((packet->data[0] << 8) + packet->data[1]) & 0xfff; if (! ba_check(vlant[vlan].table,port)) return; /*discard unwanted packets*/ } else { tagged=0; if ((vlan=portv[port]->vlanuntag) == NOVLAN) return; /*discard unwanted packets*/ } #ifdef FSTP /* when it works as a HUB or FSTP is off, MST packet must be forwarded */ if (ISBPDU(packet) && fstflag(P_GETFLAG, FSTP_TAG)) { fst_in_bpdu(port,packet,len,vlan,tagged); return; /* BPDU packets are not forwarded */ } #endif /* The port is in blocked status, no packet received */ if (ba_check(vlant[vlan].notlearning,port)) return; /* We don't like broadcast source addresses */ if(! (IS_BROADCAST(packet->header.src))) { int last = find_in_hash_update(packet->header.src,vlan,port); /* old value differs from actual input port */ if(last >=0 && (port != last)){ printlog(LOG_INFO,"MAC %02x:%02x:%02x:%02x:%02x:%02x moved from port %d to port %d",packet->header.src[0],packet->header.src[1],packet->header.src[2],packet->header.src[3],packet->header.src[4],packet->header.src[5],last,port); } } /* static void send_dst(int port,struct packet *packet, int len) */ if(IS_BROADCAST(packet->header.dest) || (tarport = find_in_hash(packet->header.dest,vlan)) < 0 ){ /* FST HERE! broadcast only on active ports*/ /* no cache or broadcast/multicast == all ports *except* the source port! */ /* BROADCAST: tag/untag. Broadcast the packet untouched on the ports * of the same tag-ness, then transform it to the other tag-ness for the others*/ if (tagged) { int i; #ifndef VDE_PQ2 ba_FORALL(vlant[vlan].bctag,numports, ({if (i != port) SEND_PACKET_PORT(portv[i],i,packet,len);}),i); packet=TAG2UNTAG(packet,len); ba_FORALL(vlant[vlan].bcuntag,numports, ({if (i != port) SEND_PACKET_PORT(portv[i],i,packet,len);}),i); #else void *tmpbuft=NULL; void *tmpbufu=NULL; ba_FORALL(vlant[vlan].bctag,numports, ({if (i != port) SEND_PACKET_PORT(portv[i],i,packet,len,&tmpbuft);}),i); packet=TAG2UNTAG(packet,len); ba_FORALL(vlant[vlan].bcuntag,numports, ({if (i != port) SEND_PACKET_PORT(portv[i],i,packet,len,&tmpbufu);}),i); #endif } else { /* untagged */ int i; #ifndef VDE_PQ2 ba_FORALL(vlant[vlan].bcuntag,numports, ({if (i != port) SEND_PACKET_PORT(portv[i],i,packet,len);}),i); packet=UNTAG2TAG(packet,vlan,len); ba_FORALL(vlant[vlan].bctag,numports, ({if (i != port) SEND_PACKET_PORT(portv[i],i,packet,len);}),i); #else void *tmpbufu=NULL; void *tmpbuft=NULL; ba_FORALL(vlant[vlan].bcuntag,numports, ({if (i != port) SEND_PACKET_PORT(portv[i],i,packet,len,&tmpbufu);}),i); packet=UNTAG2TAG(packet,vlan,len); ba_FORALL(vlant[vlan].bctag,numports, ({if (i != port) SEND_PACKET_PORT(portv[i],i,packet,len,&tmpbuft);}),i); #endif } } else { /* the hash table should not generate tarport not in vlan * any time a port is removed from a vlan, the port is flushed from the hash */ if (tarport==port) return; /*do not loop!*/ #ifndef VDE_PQ2 if (tagged) { if (portv[tarport]->vlanuntag==vlan) { /* TAG->UNTAG */ packet = TAG2UNTAG(packet,len); SEND_PACKET_PORT(portv[tarport],tarport,packet,len); } else { /* TAG->TAG */ SEND_PACKET_PORT(portv[tarport],tarport,packet,len); } } else { if (portv[tarport]->vlanuntag==vlan) { /* UNTAG->UNTAG */ SEND_PACKET_PORT(portv[tarport],tarport,packet,len); } else { /* UNTAG->TAG */ packet = UNTAG2TAG(packet,vlan,len); SEND_PACKET_PORT(portv[tarport],tarport,packet,len); } } #else if (tagged) { void *tmpbuf=NULL; if (portv[tarport]->vlanuntag==vlan) { /* TAG->UNTAG */ packet = TAG2UNTAG(packet,len); SEND_PACKET_PORT(portv[tarport],tarport,packet,len,&tmpbuf); } else { /* TAG->TAG */ SEND_PACKET_PORT(portv[tarport],tarport,packet,len,&tmpbuf); } } else { void *tmpbuf=NULL; if (portv[tarport]->vlanuntag==vlan) { /* UNTAG->UNTAG */ SEND_PACKET_PORT(portv[tarport],tarport,packet,len,&tmpbuf); } else { /* UNTAG->TAG */ packet = UNTAG2TAG(packet,vlan,len); SEND_PACKET_PORT(portv[tarport],tarport,packet,len,&tmpbuf); } } #endif } /* if(BROADCAST) */ } /* if(HUB) */ } /* if(PACKETFILTER) */ } /**************************************** COMMAND MANAGEMENT ****************************************/ static int showinfo(FILE *fd) { printoutc(fd,"Numports=%d",numports); printoutc(fd,"HUB=%s",(pflag & HUB_TAG)?"true":"false"); #ifdef PORTCOUNTERS printoutc(fd,"counters=true"); #else printoutc(fd,"counters=false"); #endif #ifdef VDE_PQ2 printoutc(fd,"default length of port packet queues: %d",stdqlen); #endif return 0; } static int portsetnumports(int val) { if(val > 0) { /*resize structs*/ int i; for(i=val;i= numports) return EINVAL; if (portv[port] == NULL) return ENXIO; if (value) portv[port]->flag &= ~NOTINPOOL; else portv[port]->flag |= NOTINPOOL; return 0; } static int portsetuser(char *arg) { int port; char *portuid=arg; struct passwd *pw; while (*portuid != 0 && *portuid == ' ') portuid++; while (*portuid != 0 && *portuid != ' ') portuid++; while (*portuid != 0 && *portuid == ' ') portuid++; if (sscanf(arg,"%i",&port) != 1 || *portuid==0) return EINVAL; if (port < 0 || port >= numports) return EINVAL; if (portv[port] == NULL) return ENXIO; if ((pw=getpwnam(portuid)) != NULL) portv[port]->user=pw->pw_uid; else if (isdigit(*portuid)) portv[port]->user=atoi(portuid); else if (strcmp(portuid,"NONE")==0 || strcmp(portuid,"ANY")==0) portv[port]->user= -1; else return EINVAL; return 0; } static int portsetgroup(char *arg) { int port; char *portgid=arg; struct group *gr; while (*portgid != 0 && *portgid == ' ') portgid++; while (*portgid != 0 && *portgid != ' ') portgid++; while (*portgid != 0 && *portgid == ' ') portgid++; if (sscanf(arg,"%i",&port) != 1 || *portgid==0) return EINVAL; if (port < 0 || port >= numports) return EINVAL; if (portv[port] == NULL) return ENXIO; if ((gr=getgrnam(portgid)) != NULL) portv[port]->group=gr->gr_gid; else if (isdigit(*portgid)) portv[port]->group=atoi(portgid); else if (strcmp(portgid,"NONE")==0 || strcmp(portgid,"ANY")==0) portv[port]->group= -1; else return EINVAL; return 0; } static int portremove(int val) { if (val <0 || val>=numports) return EINVAL; if (portv[val] == NULL) return ENXIO; if (portv[val]->ep != NULL) return EADDRINUSE; free_port(val); return 0; } static int portcreate(int val) { int port; if (val <0 || val>=numports) return EINVAL; if (portv[val] != NULL) return EEXIST; port=alloc_port(val); if (port < 0) return ENOSPC; portv[port]->flag |= NOTINPOOL; return 0; } static int portcreateauto(FILE* fd) { int port = alloc_port(0); if (port < 0) return ENOSPC; portv[port]->flag |= NOTINPOOL; printoutc(fd, "Port %04d", port); return 0; } static int epclose(char *arg) { int port,id; if (sscanf(arg,"%i %i",&port,&id) != 2) return EINVAL; else return close_ep_port_fd(port,id); } #ifdef VDE_PQ2 static int defqlen(int len) { if (len < 0) return EINVAL; else { stdqlen=len; return 0; } } static int epqlen(char *arg) { int port,id,len; if (sscanf(arg,"%i %i %i",&port,&id,&len) != 3 || len < 0) return EINVAL; else return setqlen_ep_port_fd(port,id,len); } #endif static char *port_getuser(uid_t uid) { static char buf[6]; struct passwd *pw; if (uid == -1) return "NONE"; else { pw=getpwuid(uid); if (pw != NULL) return pw->pw_name; else { sprintf(buf,"%d",uid); return buf; } } } static char *port_getgroup(gid_t gid) { static char buf[6]; struct group *gr; if (gid == -1) return "NONE"; else { gr=getgrgid(gid); if (gr != NULL) return gr->gr_name; else { sprintf(buf,"%d",gid); return buf; } } } static int print_port(FILE *fd,int i,int inclinactive) { struct endpoint *ep; if (portv[i] != NULL && (inclinactive || portv[i]->ep!=NULL)) { printoutc(fd,"Port %04d untagged_vlan=%04d %sACTIVE - %sUnnamed Allocatable", i,portv[i]->vlanuntag, portv[i]->ep?"":"IN", (portv[i]->flag & NOTINPOOL)?"NOT ":""); printoutc(fd," Current User: %s Access Control: (User: %s - Group: %s)", port_getuser(portv[i]->curuser), port_getuser(portv[i]->user), port_getgroup(portv[i]->group)); #ifdef PORTCOUNTERS printoutc(fd," IN: pkts %10lld bytes %20lld",portv[i]->pktsin,portv[i]->bytesin); printoutc(fd," OUT: pkts %10lld bytes %20lld",portv[i]->pktsout,portv[i]->bytesout); #endif for (ep=portv[i]->ep; ep != NULL; ep=ep->next) { printoutc(fd," -- endpoint ID %04d module %-12s: %s",ep->fd_ctl, portv[i]->ms->modname,(ep->descr)?ep->descr:"no endpoint description"); #ifdef VDE_PQ2 printoutc(fd," unsent packets: %d max %d",ep->vdepq_count,ep->vdepq_max); #endif } return 0; } else return ENXIO; } static int print_ptable(FILE *fd,char *arg) { int i; if (*arg != 0) { i=atoi(arg); if (i <0 || i>=numports) return EINVAL; else { return print_port(fd,i,0); } } else { for (i=0;i=numports) return EINVAL; else { return print_port(fd,i,1); } } else { for (i=0;ipktsin=0; portv[i]->pktsout=0; portv[i]->bytesin=0; portv[i]->bytesout=0; } } static int portresetcounters(char *arg) { int i; if (*arg != 0) { i=atoi(arg); if (i <0 || i>=numports) return EINVAL; else { portzerocounter(i); return 0; } } else { for (i=0;i NUMOFVLAN || port < 0 || port >= numports) return EINVAL; if ((vlan != NOVLAN && !bac_check(validvlan,vlan)) || portv[port] == NULL) return ENXIO; int oldvlan=portv[port]->vlanuntag; portv[port]->vlanuntag=NOVLAN; hash_delete_port(port); if (portv[port]->ep != NULL) { /*changing active port*/ if (oldvlan != NOVLAN) ba_clr(vlant[oldvlan].bcuntag,port); if (vlan != NOVLAN) { ba_set(vlant[vlan].bcuntag,port); ba_clr(vlant[vlan].bctag,port); } #ifdef FSTP if (oldvlan != NOVLAN) fstdelport(oldvlan,port); if (vlan != NOVLAN) fstaddport(vlan,port,0); #endif } if (oldvlan != NOVLAN) ba_clr(vlant[oldvlan].table,port); if (vlan != NOVLAN) ba_set(vlant[vlan].table,port); portv[port]->vlanuntag=vlan; return 0; } static int vlancreate_nocheck(int vlan) { int rv=0; vlant[vlan].table=ba_alloc(numports); vlant[vlan].bctag=ba_alloc(numports); vlant[vlan].bcuntag=ba_alloc(numports); vlant[vlan].notlearning=ba_alloc(numports); if (vlant[vlan].table == NULL || vlant[vlan].bctag == NULL || vlant[vlan].bcuntag == NULL) return ENOMEM; else { #ifdef FSTP rv=fstnewvlan(vlan); #endif if (rv == 0) { bac_set(validvlan,NUMOFVLAN,vlan); } return rv; } } static int vlancreate(int vlan) { if (vlan > 0 && vlan < NUMOFVLAN-1) { /*vlan NOVLAN (0xfff a.k.a. 4095) is reserved */ if (bac_check(validvlan,vlan)) return EEXIST; else return vlancreate_nocheck(vlan); } else return EINVAL; } static int vlanremove(int vlan) { if (vlan >= 0 && vlan < NUMOFVLAN) { if (bac_check(validvlan,vlan)) { int i,used=0; ba_FORALL(vlant[vlan].table,numports,used++,i); if (used) return EADDRINUSE; else { bac_clr(validvlan,NUMOFVLAN,vlan); free(vlant[vlan].table); free(vlant[vlan].bctag); free(vlant[vlan].bcuntag); free(vlant[vlan].notlearning); vlant[vlan].table=NULL; vlant[vlan].bctag=NULL; vlant[vlan].bcuntag=NULL; vlant[vlan].notlearning=NULL; #ifdef FSTP fstremovevlan(vlan); #endif return 0; } } else return ENXIO; } else return EINVAL; } static int vlanaddport(char *arg) { int port,vlan; if (sscanf(arg,"%i %i",&vlan,&port) != 2) return EINVAL; if (vlan <0 || vlan >= NUMOFVLAN-1 || port < 0 || port >= numports) return EINVAL; if (!bac_check(validvlan,vlan) || portv[port] == NULL) return ENXIO; if (portv[port]->ep != NULL && portv[port]->vlanuntag != vlan) { /* changing active port*/ ba_set(vlant[vlan].bctag,port); #ifdef FSTP fstaddport(vlan,port,1); #endif } ba_set(vlant[vlan].table,port); return 0; } static int vlandelport(char *arg) { int port,vlan; if (sscanf(arg,"%i %i",&vlan,&port) != 2) return EINVAL; if (vlan <0 || vlan >= NUMOFVLAN-1 || port < 0 || port >= numports) return EINVAL; if (!bac_check(validvlan,vlan) || portv[port] == NULL) return ENXIO; if (portv[port]->vlanuntag == vlan) return EADDRINUSE; if (portv[port]->ep != NULL) { /*changing active port*/ ba_clr(vlant[vlan].bctag,port); #ifdef FSTP fstdelport(vlan,port); #endif } ba_clr(vlant[vlan].table,port); hash_delete_port(port); return 0; } #define STRSTATUS(PN,V) \ ((ba_check(vlant[(V)].notlearning,(PN))) ? "Discarding" : \ (ba_check(vlant[(V)].bctag,(PN)) || ba_check(vlant[(V)].bcuntag,(PN))) ? \ "Forwarding" : "Learning") static void vlanprintactive(int vlan,FILE *fd) { int i; printoutc(fd,"VLAN %04d",vlan); #ifdef FSTP if (pflag & FSTP_TAG) { #if 0 printoutc(fd," ++ FST root %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x \n" " designated %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x port %d cost %d age %d", fsttab[vlan]->root[0], fsttab[vlan]->root[1], fsttab[vlan]->root[2], fsttab[vlan]->root[3], fsttab[vlan]->root[4], fsttab[vlan]->root[5], fsttab[vlan]->root[6], fsttab[vlan]->root[7], fsttab[vlan]->desbr[0], fsttab[vlan]->desbr[1], fsttab[vlan]->desbr[2], fsttab[vlan]->desbr[3], fsttab[vlan]->desbr[4], fsttab[vlan]->desbr[5], fsttab[vlan]->desbr[6], fsttab[vlan]->desbr[7], fsttab[vlan]->rootport, ntohl(*(u_int32_t *)(&(fsttab[vlan]->rootcost))), qtime()-fsttab[vlan]->roottimestamp); ba_FORALL(vlant[vlan].table,numports, ({ int tagged=portv[i]->vlanuntag != vlan; if (portv[i]->ep) printoutc(fd," -- Port %04d tagged=%d act=%d learn=%d forw=%d cost=%d role=%s", i, tagged, 1, !(NOTLEARNING(i,vlan)), (tagged)?(ba_check(vlant[vlan].bctag,i) != 0):(ba_check(vlant[vlan].bcuntag,i) != 0), portv[i]->cost, (fsttab[vlan]->rootport==i?"Root": ((ba_check(fsttab[vlan]->backup,i)?"Alternate/Backup":"Designated"))) ); 0; }) ,i); #endif } else { #endif ba_FORALL(vlant[vlan].table,numports, ({ int tagged=portv[i]->vlanuntag != vlan; if (portv[i]->ep) printoutc(fd," -- Port %04d tagged=%d active=1 status=%s", i, tagged, STRSTATUS(i,vlan)); }), i); #ifdef FSTP } #endif } static int vlanprint(FILE *fd,char *arg) { if (*arg != 0) { int vlan; vlan=atoi(arg); if (vlan >= 0 && vlan < NUMOFVLAN-1) { if (bac_check(validvlan,vlan)) vlanprintactive(vlan,fd); else return ENXIO; } else return EINVAL; } else bac_FORALLFUN(validvlan,NUMOFVLAN,vlanprintactive,fd); return 0; } static void vlanprintelem(int vlan,FILE *fd) { int i; printoutc(fd,"VLAN %04d",vlan); ba_FORALL(vlant[vlan].table,numports, printoutc(fd," -- Port %04d tagged=%d active=%d status=%s", i, portv[i]->vlanuntag != vlan, portv[i]->ep != NULL, STRSTATUS(i,vlan)),i); } static int vlanprintall(FILE *fd,char *arg) { if (*arg != 0) { int vlan; vlan=atoi(arg); if (vlan > 0 && vlan < NUMOFVLAN-1) { if (bac_check(validvlan,vlan)) vlanprintelem(vlan,fd); else return ENXIO; } else return EINVAL; } else bac_FORALLFUN(validvlan,NUMOFVLAN,vlanprintelem,fd); return 0; } /* NOT sure about the effects of changing address on FSTP */ #if 0 static int setmacaddr(char *strmac) { int maci[ETH_ALEN],rv; if (index(strmac,':') != NULL) rv=sscanf(strmac,"%x:%x:%x:%x:%x:%x", maci+0, maci+1, maci+2, maci+3, maci+4, maci+5); else rv=sscanf(strmac,"%x.%x.%x.%x.%x.%x", maci+0, maci+1, maci+2, maci+3, maci+4, maci+5); if (rv < 6) return EINVAL; else { int i; for (i=0;i=numports || portv[port]==NULL) return -1; else return portv[port]->curuser; } char *port_descr(int portno, int epn) { if (portno<0 || portno>=numports) return NULL; else { struct port *port=portv[portno]; if (port == NULL) return NULL; else { struct endpoint *ep; for (ep=port->ep;ep!=NULL && epn>0;ep=ep->next,epn--) ; if (ep) return ep->descr; else return NULL; } } } static struct comlist cl[]={ {"port","============","PORT STATUS MENU",NULL,NOARG}, {"port/showinfo","","show port info",showinfo,NOARG|WITHFILE}, {"port/setnumports","N","set the number of ports",portsetnumports,INTARG}, /*{"port/setmacaddr","MAC","set the switch MAC address",setmacaddr,STRARG},*/ {"port/sethub","0/1","1=HUB 0=switch",portsethub,INTARG}, {"port/setvlan","N VLAN","set port VLAN (untagged)",portsetvlan,STRARG}, {"port/createauto","","create a port with an automatically allocated id (inactive|notallocatable)",portcreateauto,NOARG|WITHFILE}, {"port/create","N","create the port N (inactive|notallocatable)",portcreate,INTARG}, {"port/remove","N","remove the port N",portremove,INTARG}, {"port/allocatable","N 0/1","Is the port allocatable as unnamed? 1=Y 0=N",portallocatable,STRARG}, {"port/setuser","N user","access control: set user",portsetuser,STRARG}, {"port/setgroup","N user","access control: set group",portsetgroup,STRARG}, {"port/epclose","N ID","remove the endpoint port N/id ID",epclose,STRARG}, #ifdef VDE_PQ2 {"port/defqlen","LEN","set the default queue length for new ports",defqlen,INTARG}, {"port/epqlen","N ID LEN","set the lenth of the queue for port N/id IP",epqlen,STRARG}, #endif #ifdef PORTCOUNTERS {"port/resetcounter","[N]","reset the port (N) counters",portresetcounters,STRARG}, #endif {"port/print","[N]","print the port/endpoint table",print_ptable,STRARG|WITHFILE}, {"port/allprint","[N]","print the port/endpoint table (including inactive port)",print_ptableall,STRARG|WITHFILE}, {"vlan","============","VLAN MANAGEMENT MENU",NULL,NOARG}, {"vlan/create","N","create the VLAN with tag N",vlancreate,INTARG}, {"vlan/remove","N","remove the VLAN with tag N",vlanremove,INTARG}, {"vlan/addport","N PORT","add port to the vlan N (tagged)",vlanaddport,STRARG}, {"vlan/delport","N PORT","add port to the vlan N (tagged)",vlandelport,STRARG}, {"vlan/print","[N]","print the list of defined vlan",vlanprint,STRARG|WITHFILE}, {"vlan/allprint","[N]","print the list of defined vlan (including inactive port)",vlanprintall,STRARG|WITHFILE}, }; void port_init(int initnumports) { if((numports=initnumports) <= 0) { printlog(LOG_ERR,"The switch must have at least 1 port\n"); exit(1); } portv=calloc(numports,sizeof(struct port *)); /* vlan_init */ validvlan=bac_alloc(NUMOFVLAN); if (portv==NULL || validvlan == NULL) { printlog(LOG_ERR,"ALLOC port data structures"); exit(1); } ADDCL(cl); #ifdef DEBUGOPT ADDDBGCL(dl); #endif if (vlancreate_nocheck(0) != 0) { printlog(LOG_ERR,"ALLOC vlan port data structures"); exit(1); } } vde2-2.3.2+r586/src/vde_switch/port.h0000644000000000000000000000377713614540472014053 0ustar /* Copyright 2005 Renzo Davoli * Copyright 2002 Jeff Dike * Licensed under the GPLv2 */ #ifndef __PORT_H__ #define __PORT_H__ #include #include "switch.h" #include "bitarray.h" #define ETH_HEADER_SIZE 14 /* a full ethernet 802.3 frame */ struct ethheader { unsigned char dest[ETH_ALEN]; unsigned char src[ETH_ALEN]; unsigned char proto[2]; }; struct packet { struct ethheader header; unsigned char data[1504]; /*including trailer, IF ANY */ }; struct bipacket { char filler[4]; struct packet p; }; #define pgetprio(X) ((X)[0] >> 5) #define pgetcfi(X) (((X)[0] >> 4) & 1) #define pgetvlan(X) (((X)[0] & 0xf) << 8 + (X)[1]) #define psetprio(X,V) ((X)[0]= ((X)[0] & 0x1f) | (V)<<5) #define psetcfi(X,V) ((X)[0]= ((X)[0] & 0xef) | (V&1)<<4) #define psetvlan(X,V) ({(X)[1]=(V)&0xff;(X)[0]=((X)[0] & 0xf0) | ((V)>>8) & 0xf; (V); }) struct endpoint; struct mod_support { char *modname; int (*sender)(int fd_ctl, int fd_data, void *packet, int len, int port); void (*delep)(int fd_ctl, int fd_data, void *descr); }; extern struct endpoint *setup_ep(int portno, int fd_ctl, int fd_data, uid_t user, struct mod_support *modfun); extern int ep_get_port(struct endpoint *ep); extern void setup_description(struct endpoint *ep, char *descr); extern int close_ep(struct endpoint *ep); #ifdef VDE_PQ2 extern void handle_out_packet(struct endpoint *ep); #endif extern void handle_in_packet(struct endpoint *ep, struct packet *packet, int len); extern bitarray validvlan; int portflag(int op, int f); #define P_GETFLAG 0 #define P_SETFLAG 1 #define P_ADDFLAG 2 #define P_CLRFLAG 3 #define HUB_TAG 0x1 void port_init(int numports); #define DISCARDING 0 #define LEARNING 1 /* forwarding implies learning */ #define FORWARDING 3 #ifdef FSTP void port_send_packet(int portno, void *packet, int len); void portset_send_packet(bitarray portset, void *packet, int len); void port_set_status(int portno, int vlan, int status); int port_get_status(int portno, int vlan); int port_getcost(int port); #endif #endif vde2-2.3.2+r586/src/vde_switch/qtimer.c0000644000000000000000000000714113614540472014350 0ustar /* * Copyright 2005 Renzo Davoli * Licensed under the GPLv2 */ #include #include #include #include #include #include #include #include "switch.h" #include #include "consmgmt.h" /* just for printlog def */ #include #include #include #define QT_ALLOC_STEP 4 struct qt_timer { int qt_n; //timer ID time_t qt_period; //timer period time_t qt_nextcall; //next call time (in secs) unsigned int qt_times; //number of times to be activated <0 = infinity void (* qt_call)(); //funct. to call void *qt_arg; // opt arg to the funct. }; struct qt_timer **qth; // head of the active timer array struct qt_timer *qtf; // free list int maxqt; //size of active timer array static time_t gqtime; // global time in secs, secs from the epoch static int activeqt; // number of active timers static int countqt; // counter for timer ID time_t qtime() // returns global time (faster than time()) { return gqtime; } static sigset_t ss_alarm, ss_old; void qtime_csenter() { if (sigprocmask(SIG_BLOCK,&ss_alarm,&ss_old) < 0) printlog(LOG_WARNING,"error qtime_csenter\n"); } void qtime_csexit() { if (sigprocmask(SIG_SETMASK,&ss_old,NULL) < 0) printlog(LOG_WARNING,"error qtime_csexit\n"); } unsigned int qtimer_add(time_t period,int times,void (*call)(),void *arg) { int n; if (period>0 && call && times>=0) { qtime_csenter(); if (activeqt >= maxqt) { int newmaxqt=maxqt+QT_ALLOC_STEP; qth=realloc(qth,newmaxqt*sizeof(struct qt_timer *)); if (qth == NULL) { return -1; } /* it is not possible to use unitialized elements */ /*memset(qth+maxqt,0,QT_ALLOC_STEP*sizeof(struct qt_timer *));*/ maxqt=newmaxqt; } n=activeqt++; if (qtf == NULL) { qtf=malloc(sizeof(struct qt_timer)); if (qth == NULL) { return -1; } /*all the fields but qt_arg get initialized */ /*memset(qtf,0,sizeof(struct qt_timer));*/ qtf->qt_arg=NULL; } qth[n]=qtf; qtf=qtf->qt_arg; qth[n]->qt_n=countqt++; qth[n]->qt_period=period; qth[n]->qt_nextcall=gqtime+period; qth[n]->qt_call=call; qth[n]->qt_arg=arg; qth[n]->qt_times=(times==0)?-1:times; qtime_csexit(); return qth[n]->qt_n; } else return -1; } void qtimer_del(unsigned int n) { int i; for (i=0; iqt_n) { qth[i]->qt_times=0; break; } } } static void sig_alarm(int sig) { int i; int j; gqtime++; //printf("%d\n",gqtime); for (i=0,j=0; iqt_times == 0) { //printf("timer %d eliminated\n",qth[i]->qt_n); qth[i]->qt_arg=qtf; qtf=qth[i]; } else { if (gqtime >= qth[i]->qt_nextcall) { //printf("timer %d fires\n",qth[i]->qt_n); qth[i]->qt_call(qth[i]->qt_arg); qth[i]->qt_nextcall+=qth[i]->qt_period; if (qth[i]->qt_times > 0 ) (qth[i]->qt_times)--; } //printf("%d -> %d \n",i,j); if (i-j) qth[j]=qth[i]; j++; } } activeqt=j; } void qtimer_init() { struct itimerval it; struct sigaction sa; sa.sa_handler = sig_alarm; sa.sa_flags = SA_RESTART; sigemptyset(&sa.sa_mask); if(sigaction(SIGALRM, &sa, NULL) < 0){ printlog(LOG_WARNING,"Setting handler for SIGALRM %s", strerror(errno)); return; } sigemptyset(&ss_alarm); sigaddset(&ss_alarm, SIGALRM); it.it_value.tv_sec = 1; it.it_value.tv_usec = 0 ; it.it_interval.tv_sec = 1; it.it_interval.tv_usec = 0 ; setitimer(ITIMER_REAL, &it, NULL); } /* * test stub */ /* void fun(void *arg) { printf("FUN\n"); } main() { qtimer_init(); qtimer_add(7,0,fun,NULL); qtimer_add(3,0,fun,NULL); qtimer_add(4,2,fun,NULL); while(1) pause(); } */ vde2-2.3.2+r586/src/vde_switch/qtimer.h0000644000000000000000000000042213614540472014350 0ustar #ifndef _QTIMER_H #define _QTIMER_H time_t qtime(); // returns global time (faster than time()) void qtime_csenter(); void qtime_csexit(); unsigned int qtimer_add(time_t period,int times,void (*call)(),void *arg); void qtimer_del(unsigned int n); void qtimer_init(); #endif vde2-2.3.2+r586/src/vde_switch/sockutils.c0000644000000000000000000000213613614540472015066 0ustar /* Copyright 2005 Renzo Davoli - VDE-2 * Mattia Belletti (C) 2004. * Licensed under the GPLv2 */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "switch.h" #include "consmgmt.h" #include #include #include /* check to see if given unix socket is still in use; if it isn't, remove the * * socket from the file system */ int still_used(struct sockaddr_un *sun) { int test_fd, ret = 1; if((test_fd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0){ printlog(LOG_ERR,"socket %s",strerror(errno)); return(1); } if(connect(test_fd, (struct sockaddr *) sun, sizeof(*sun)) < 0){ if(errno == ECONNREFUSED){ if(unlink(sun->sun_path) < 0){ printlog(LOG_ERR,"Failed to removed unused socket '%s': %s", sun->sun_path,strerror(errno)); } ret = 0; } else printlog(LOG_ERR,"connect %s",strerror(errno)); } close(test_fd); return(ret); } vde2-2.3.2+r586/src/vde_switch/sockutils.h0000644000000000000000000000030213614540472015064 0ustar /* Copyright 2005 Renzo Davoli - VDE-2 * Mattia Belletti (C) 2004. * Licensed under the GPLv2 */ #ifndef _SOCKUTILS_H #define _SOCKUTILS_H int still_used(struct sockaddr_un *sun); #endif vde2-2.3.2+r586/src/vde_switch/switch.h0000644000000000000000000000442613614540472014360 0ustar /* Copyright 2005 Renzo davoli VDE-2 * Some code from vde_switch Copyright 2002 Jeff Dike * Licensed under the GPLv2 */ #ifndef __SWITCH_H__ #define __SWITCH_H__ typedef unsigned char uchar; /* FAST SPANNING TREE PROTOCOL (experimental)*/ #define FSTP /* POLL Main LOOP Optimization */ #define OPTPOLL #ifdef _MALLOC_DEBUG #define free(X) ({ printf("MDBG-FREE %p %s %d\n",(X),__FILE__,__LINE__); \ free(X); }) #define malloc(X) ({ void *x; x=malloc(X); \ printf("MDBG-MALLOC %p %s %d\n",x,__FILE__,__LINE__); \ x; }) #define strdup(X) ({ void *x; x=strdup(X); \ printf("MDBG-STRDUP %p %s %d\n",x,__FILE__,__LINE__); \ x; }) #define realloc(Y,X) ({ void *x,*old; \ old=(Y);\ x=realloc(old,(X)); \ printf("MDBG-REALLOC %p->%p %s %d\n",old,x,__FILE__,__LINE__); \ x; }) #endif struct swmodule { char *swmname; /* module name */ char swmtag; /* module tag - computer by the load sequence */ char swmnopts; /* number of options for getopt */ struct option *swmopts; /* options for getopt */ void (*usage)(void); /* usage function: command line opts explanation */ int (*parseopt)(int parm,char *optarg); /* parse getopt output */ void (*init)(void); /* init */ void (*handle_io)(unsigned char type,int fd,int revents,void *private_data); /* handle input */ void (*cleanup)(unsigned char type,int fd,void *private_data); /*cleanup for files or final if fd == -1 */ struct swmodule *next; }; void add_swm(struct swmodule *new); void del_swm(struct swmodule *old); unsigned char add_type(struct swmodule *mgr,int prio); void del_type(unsigned char type); void add_fd(int fd,unsigned char type,void *private_data); void remove_fd(int fd); void *mainloop_get_private_data(int fd); void mainloop_set_private_data(int fd,void *private_data); short mainloop_pollmask_get(int fd); void mainloop_pollmask_add(int fd, short events); void mainloop_pollmask_del(int fd, short events); void mainloop_pollmask_set(int fd, short events); #define STDRCFILE "/etc/vde2/vde_switch.rc" #define ETH_ALEN 6 #define INIT_HASH_SIZE 128 #define DEFAULT_PRIORITY 0x8000 #define INIT_NUMPORTS 32 #define DEFAULT_COST 20000000 /* 1Mbit line */ extern char *prog; extern unsigned char switchmac[]; extern unsigned int priority; #define NUMOFVLAN 4095 #define NOVLAN 0xfff #endif vde2-2.3.2+r586/src/vde_switch/tuntap.c0000644000000000000000000001401313614540472014356 0ustar /* Copyright 2005 Renzo Davoli - VDE-2 * --pidfile/-p and cleanup management by Mattia Belletti (C) 2004. * Licensed under the GPLv2 * Modified by Ludovico Gardenghi 2005 (OSX tuntap support) */ #include #include #include #include #include #include #include #include #include #include #include #include #define _GNU_SOURCE #include #include #include #include #include "port.h" #include "switch.h" #include "consmgmt.h" #ifdef HAVE_TUNTAP #if defined(VDE_LINUX) || defined(VDE_BIONIC) #include #include #endif #if defined(VDE_DARWIN) || defined(VDE_FREEBSD) #define TAP_PREFIX "/dev/" #endif #define MAXCMD 128 #define MODULENAME "tuntap" static struct swmodule swmi; static struct mod_support modfun; static unsigned int tap_type; struct init_tap { char *tap_dev; struct init_tap *next; }; struct init_tap *hinit_tap=NULL; static int send_tap(int fd_ctl, int fd_data, void *packet, int len, int port) { int n; n = len - write(fd_ctl, packet, len); if(n > len){ int rv=errno; if(rv != EAGAIN && rv != EWOULDBLOCK) printlog(LOG_WARNING,"send_tap port %d: %s",port,strerror(errno)); else rv=EWOULDBLOCK; return -rv; } return n; } static void handle_io(unsigned char type,int fd,int revents,void *private_data) { struct endpoint *ep=private_data; #ifdef VDE_PQ2 if (revents & POLLOUT) handle_out_packet(ep); #endif if (revents & POLLIN) { struct bipacket packet; int len=read(fd, &(packet.p), sizeof(struct packet)); if(len < 0){ if(errno != EAGAIN && errno != EWOULDBLOCK) printlog(LOG_WARNING,"Reading tap data: %s",strerror(errno)); } else if(len == 0) { if(errno != EAGAIN && errno != EWOULDBLOCK) printlog(LOG_WARNING,"EOF tap data port: %s",strerror(errno)); /* close tap! */ } else if (len >= ETH_HEADER_SIZE) handle_in_packet(ep, &(packet.p), len); } } static void cleanup(unsigned char type,int fd,void *private_data) { if (fd >= 0) close(fd); } static struct option long_options[] = { {"tap", 1, 0, 't'}, }; #define Nlong_options (sizeof(long_options)/sizeof(struct option)); static void usage(void) { printf( "(opts from tuntap module)\n" " -t, --tap TAP Enable routing through TAP tap interface\n" #ifdef VDE_DARWIN " TAP can be an absolute file name or a relative\n" " one (and will be prefixed with %s). The TAP\n" " device must already exist.\n", TAP_PREFIX #endif ); } static struct init_tap *add_init_tap(struct init_tap *p,char *arg) { if (p == NULL) { p=malloc(sizeof(struct init_tap)); if (p==NULL) printlog(LOG_WARNING,"Malloc Tap init:%s\n",strerror(errno)); else { p->tap_dev=strdup(optarg); p->next=NULL; } } else p->next=add_init_tap(p->next,arg); return(p); } static struct init_tap *free_init_tap(struct init_tap *p) { if (p != NULL) { free_init_tap(p->next); free(p); } return NULL; } static int parseopt(int c, char *optarg) { int outc=0; switch (c) { case 't': hinit_tap=add_init_tap(hinit_tap,optarg); break; default: outc=c; } return outc; } #ifdef VDE_LINUX int open_tap(char *dev) { struct ifreq ifr; int fd; if((fd = open("/dev/net/tun", O_RDWR)) < 0){ printlog(LOG_ERR,"Failed to open /dev/net/tun %s",strerror(errno)); return(-1); } memset(&ifr, 0, sizeof(ifr)); ifr.ifr_flags = IFF_TAP | IFF_NO_PI; strncpy(ifr.ifr_name, dev, sizeof(ifr.ifr_name) - 1); /*printf("dev=\"%s\", ifr.ifr_name=\"%s\"\n", ifr.ifr_name, dev);*/ if(ioctl(fd, TUNSETIFF, (void *) &ifr) < 0){ printlog(LOG_ERR,"TUNSETIFF failed %s",strerror(errno)); close(fd); return(-1); } /* tuntap should be "fast", but if there is a packetq we can manage a tuntap which is "not fast enough" */ fcntl(fd, F_SETFL, O_NONBLOCK); return(fd); } #endif #ifdef VDE_BIONIC int open_tap(char *dev) { struct ifreq ifr; int fd; if((fd = open("/dev/tun", O_RDWR)) < 0){ printlog(LOG_ERR,"Failed to open /dev/tun %s",strerror(errno)); return(-1); } memset(&ifr, 0, sizeof(ifr)); ifr.ifr_flags = IFF_TAP | IFF_NO_PI; strncpy(ifr.ifr_name, dev, sizeof(ifr.ifr_name) - 1); /*printf("dev=\"%s\", ifr.ifr_name=\"%s\"\n", ifr.ifr_name, dev);*/ if(ioctl(fd, TUNSETIFF, (void *) &ifr) < 0){ printlog(LOG_ERR,"TUNSETIFF failed %s",strerror(errno)); close(fd); return(-1); } return(fd); } #endif #if defined(VDE_DARWIN) || defined(VDE_FREEBSD) int open_tap(char *dev) { int fd; int prefixlen = strlen(TAP_PREFIX); char *path = NULL; if (*dev == '/') fd=open(dev, O_RDWR); else { path = malloc(strlen(dev) + prefixlen + 1); if (path != NULL) { snprintf(path, strlen(dev) + prefixlen + 1, "%s%s", TAP_PREFIX, dev); fd=open(path, O_RDWR); free(path); } else fd = -1; } if (fd < 0) { printlog(LOG_ERR,"Failed to open tap device %s: %s", (*dev == '/') ? dev : path, strerror(errno)); return(-1); } return fd; } #endif static struct endpoint *newtap(char *dev) { int tap_fd; tap_fd = open_tap(dev); if (tap_fd>0) { struct endpoint *ep=setup_ep(0,tap_fd,tap_fd,-1,&modfun); if (ep != NULL) { setup_description(ep,dev); add_fd(tap_fd,tap_type,ep); } return ep; } else return NULL; } static void init(void) { if(hinit_tap != NULL) { struct init_tap *p; tap_type=add_type(&swmi,1); for(p=hinit_tap;p != NULL;p=p->next) { if (newtap(p->tap_dev) == NULL) printlog(LOG_ERR,"ERROR OPENING tap interface: %s",p->tap_dev); } hinit_tap=free_init_tap(hinit_tap); } } static void delep (int fd_ctl, int fd_data, void *descr) { if (fd_ctl>=0) remove_fd(fd_ctl); if (descr) free(descr); } void start_tuntap(void) { modfun.modname=swmi.swmname=MODULENAME; swmi.swmnopts=Nlong_options; swmi.swmopts=long_options; swmi.usage=usage; swmi.parseopt=parseopt; swmi.init=init; swmi.handle_io=handle_io; swmi.cleanup=cleanup; modfun.sender=send_tap; modfun.delep=delep; add_swm(&swmi); } #endif vde2-2.3.2+r586/src/vde_switch/tuntap.h0000644000000000000000000000050313614540472014362 0ustar /* Copyright 2002 Jeff Dike * Licensed under the GPL */ #ifdef HAVE_TUNTAP #ifndef __TUNTAP_H__ #define __TUNTAP_H__ extern int send_tap(int fd, int ctl_fd, void *packet, int len, void *unused, int port); extern int recv_tap(int fd, void *packet, int maxlen, int port); extern int open_tap(char *dev); #endif #endif vde2-2.3.2+r586/src/vde_switch/vde_switch.c0000644000000000000000000003412713614540472015212 0ustar /* Copyright 2005 Renzo Davoli VDE-2 * Licensed under the GPL * --pidfile/-p and cleanup management by Mattia Belletti. * some code remains from uml_switch Copyright 2001, 2002 Jeff Dike and others * Modified by Ludovico Gardenghi 2005 */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include "switch.h" #include "qtimer.h" #include "hash.h" #include "port.h" #ifdef FSTP #include "fstp.h" #endif #include "consmgmt.h" #include #include #include #include #include #include static struct swmodule *swmh; char *prog; unsigned char switchmac[ETH_ALEN]; unsigned int priority=DEFAULT_PRIORITY; static int hash_size=INIT_HASH_SIZE; static int numports=INIT_NUMPORTS; static void recaddswm(struct swmodule **p,struct swmodule *new) { struct swmodule *this=*p; if (this == NULL) *p=new; else recaddswm(&(this->next),new); } void add_swm(struct swmodule *new) { static int lastlwmtag; new->swmtag= ++lastlwmtag; if (new != NULL && new->swmtag != 0) { new->next=NULL; recaddswm(&swmh,new); } } static void recdelswm(struct swmodule **p,struct swmodule *old) { struct swmodule *this=*p; if (this != NULL) { if(this == old) *p=this->next; else recdelswm(&(this->next),old); } } void del_swm(struct swmodule *old) { if (old != NULL) { recdelswm(&swmh,old); } } /* FD MGMT */ struct pollplus { unsigned char type; void *private_data; time_t timestamp; }; #define MAXFDS_INITIAL 8 #define MAXFDS_STEP 16 static int nfds = 0; static int nprio =0; static struct pollfd *fds = NULL; static struct pollplus **fdpp = NULL; /* permutation array: it maps each fd to its index in fds/fdpp */ /* fdpermsize is a multiple of 16 */ #define FDPERMSIZE_LOGSTEP 4 static short *fdperm; static int fdpermsize=0; static int maxfds = 0; static struct swmodule **fdtypes; static int ntypes; static int maxtypes; #define PRIOFLAG 0x80 #define TYPEMASK 0x7f #define ISPRIO(X) ((X) & PRIOFLAG) #define TYPE2MGR(X) (fdtypes[((X) & TYPEMASK)]) unsigned char add_type(struct swmodule *mgr,int prio) { int i; if(ntypes==maxtypes) { maxtypes = maxtypes ? 2 * maxtypes : 8; if (maxtypes > PRIOFLAG) { printlog(LOG_ERR,"too many file types"); exit(1); } if((fdtypes = realloc(fdtypes, maxtypes * sizeof(struct swmodule *))) == NULL){ printlog(LOG_ERR,"realloc fdtypes %s",strerror(errno)); exit(1); } memset(fdtypes+ntypes,0,sizeof(struct swmodule *) * maxtypes-ntypes); i=ntypes; } else for(i=0; fdtypes[i] != NULL; i++) ; fdtypes[i]=mgr; ntypes++; return i | ((prio != 0)?PRIOFLAG:0); } void del_type(unsigned char type) { type &= TYPEMASK; if (type < maxtypes) fdtypes[type]=NULL; ntypes--; } void add_fd(int fd,unsigned char type,void *private_data) { struct pollfd *p; int index; /* enlarge fds and fdpp array if needed */ if(nfds == maxfds){ maxfds = maxfds ? maxfds + MAXFDS_STEP : MAXFDS_INITIAL; if((fds = realloc(fds, maxfds * sizeof(struct pollfd))) == NULL){ printlog(LOG_ERR,"realloc fds %s",strerror(errno)); exit(1); } if((fdpp = realloc(fdpp, maxfds * sizeof(struct pollplus *))) == NULL){ printlog(LOG_ERR,"realloc pollplus %s",strerror(errno)); exit(1); } } if (fd >= fdpermsize) { fdpermsize = ((fd >> FDPERMSIZE_LOGSTEP) + 1) << FDPERMSIZE_LOGSTEP; if((fdperm = realloc(fdperm, fdpermsize * sizeof(short))) == NULL){ printlog(LOG_ERR,"realloc fdperm %s",strerror(errno)); exit(1); } } if (ISPRIO(type)) { fds[nfds]=fds[nprio]; fdpp[nfds]=fdpp[nprio]; index=nprio; nprio++; } else index=nfds; if((fdpp[index]=malloc(sizeof(struct pollplus))) == NULL) { printlog(LOG_ERR,"realloc pollplus elem %s",strerror(errno)); exit(1); } fdperm[fd]=index; p = &fds[index]; p->fd = fd; p->events = POLLIN | POLLHUP; fdpp[index]->type=type; fdpp[index]->private_data=private_data; fdpp[index]->timestamp=0; nfds++; } static void file_cleanup(void) { int i; for(i = 0; i < nfds; i++) TYPE2MGR(fdpp[i]->type)->cleanup(fdpp[i]->type,fds[i].fd,fdpp[i]->private_data); } void remove_fd(int fd) { int i; for(i = 0; i < nfds; i++){ if(fds[i].fd == fd) break; } if(i == nfds){ printlog(LOG_WARNING,"remove_fd : Couldn't find descriptor %d", fd); } else { struct pollplus *old=fdpp[i]; TYPE2MGR(fdpp[i]->type)->cleanup(fdpp[i]->type,fds[i].fd,fdpp[i]->private_data); if (ISPRIO(fdpp[i]->type)) nprio--; memmove(&fds[i], &fds[i + 1], (nfds - i - 1) * sizeof(struct pollfd)); memmove(&fdpp[i], &fdpp[i + 1], (nfds - i - 1) * sizeof(struct pollplus *)); for(;i= 0 && fd < fdpermsize) return (fdpp[fdperm[fd]]->private_data); else return NULL; } void mainloop_set_private_data(int fd,void *private_data) { if (fd >=0 && fd < fdpermsize) fdpp[fdperm[fd]]->private_data = private_data; } short mainloop_pollmask_get(int fd) { #if DEBUG_MAINLOOP_MASK if (fds[fdperm[fd]].fd != fd) printf("PERMUTATION ERROR %d %d\n",fds[fdperm[fd]].fd,fd); #endif return fds[fdperm[fd]].events; } void mainloop_pollmask_add(int fd, short events) { #if DEBUG_MAINLOOP_MASK if (fds[fdperm[fd]].fd != fd) printf("PERMUTATION ERROR %d %d\n",fds[fdperm[fd]].fd,fd); #endif fds[fdperm[fd]].events |= events; } void mainloop_pollmask_del(int fd, short events) { #if DEBUG_MAINLOOP_MASK if (fds[fdperm[fd]].fd != fd) printf("PERMUTATION ERROR %d %d\n",fds[fdperm[fd]].fd,fd); #endif fds[fdperm[fd]].events &= ~events; } void mainloop_pollmask_set(int fd, short events) { #if DEBUG_MAINLOOP_MASK if (fds[fdperm[fd]].fd != fd) printf("PERMUTATION ERROR %d %d\n",fds[fdperm[fd]].fd,fd); #endif fds[fdperm[fd]].events = events; } static void main_loop() { time_t now; int n,i; while(1) { n=poll(fds,nfds,-1); now=qtime(); if(n < 0){ if(errno != EINTR) printlog(LOG_WARNING,"poll %s",strerror(errno)); } else { for(i = 0; /*i < nfds &&*/ n>0; i++){ if(fds[i].revents != 0) { int prenfds=nfds; n--; fdpp[i]->timestamp=now; TYPE2MGR(fdpp[i]->type)->handle_io(fdpp[i]->type,fds[i].fd,fds[i].revents,fdpp[i]->private_data); if (nfds!=prenfds) /* the current fd has been deleted */ break; /* PERFORMANCE it is faster returning to poll */ } /* optimization: most used descriptors migrate to the head of the poll array */ #ifdef OPTPOLL else { if (i < nfds && i > 0 && i != nprio) { int i_1=i-1; if (fdpp[i]->timestamp > fdpp[i_1]->timestamp) { struct pollfd tfds; struct pollplus *tfdpp; tfds=fds[i];fds[i]=fds[i_1];fds[i_1]=tfds; tfdpp=fdpp[i];fdpp[i]=fdpp[i_1];fdpp[i_1]=tfdpp; fdperm[fds[i].fd]=i; fdperm[fds[i_1].fd]=i_1; } } } #endif } } } } /* starting/ending routines, main_loop, main*/ #define HASH_TABLE_SIZE_ARG 0x100 #define MACADDR_ARG 0x101 #define PRIORITY_ARG 0x102 static void Usage(void) { struct swmodule *p; printf( "Usage: vde_switch [OPTIONS]\n" "Runs a VDE switch.\n" "(global opts)\n" " -h, --help Display this help and exit\n" " -v, --version Display informations on version and exit\n" " -n --numports Number of ports (default %d)\n" " -x, --hub Make the switch act as a hub\n" #ifdef FSTP " -F, --fstp Activate the fast spanning tree protocol\n" #endif " --macaddr MAC Set the Switch MAC address\n" #ifdef FSTP " --priority N Set the priority for FST (MAC extension)\n" #endif " --hashsize N Hash table size\n" ,numports); for(p=swmh;p != NULL;p=p->next) if (p->usage != NULL) p->usage(); printf( "\n" "Report bugs to "PACKAGE_BUGREPORT "\n" ); exit(1); } static void version(void) { printf( "VDE " PACKAGE_VERSION "\n" "Copyright 2003,...,2011 Renzo Davoli\n" "some code from uml_switch Copyright (C) 2001, 2002 Jeff Dike and others\n" "VDE comes with NO WARRANTY, to the extent permitted by law.\n" "You may redistribute copies of VDE under the terms of the\n" "GNU General Public License v2.\n" "For more information about these matters, see the files\n" "named COPYING.\n"); exit(0); } static struct option *optcpy(struct option *tgt, struct option *src, int n, int tag) { int i; memcpy(tgt,src,sizeof(struct option) * n); for (i=0;inext) totopts += swmp->swmnopts; long_options=malloc(totopts * sizeof(struct option)); optstring=malloc(2 * totopts * sizeof(char)); if (long_options == NULL || optstring==NULL) exit(2); { /* fill-in the long_options fields */ int i; char *os=optstring; char last=0; struct option *opp=long_options; opp=optcpy(opp,global_options,N_global_options,0); for(swmp=swmh;swmp != NULL;swmp=swmp->next) opp=optcpy(opp,swmp->swmopts,swmp->swmnopts,swmp->swmtag); optcpy(opp,&optail,1,0); for (i=0;i ' ' && val <= '~' && val != last) { *os++=val; if(long_options[i].has_arg) *os++=':'; } } *os=0; } { /* Parse args */ int option_index = 0; int c; while (1) { c = GETOPT_LONG (argc, argv, optstring, long_options, &option_index); if (c == -1) break; c=parse_globopt(c,optarg); for(swmp=swmh;swmp != NULL && c!=0;swmp=swmp->next) { if (swmp->parseopt != NULL) { if((c >> 7) == 0) c=swmp->parseopt(c,optarg); else if ((c >> 16) == swmp->swmtag) swmp->parseopt(c & 0xffff,optarg),c=0; } } } } if(optind < argc) Usage(); free(long_options); free(optstring); } static void init_mods(void) { struct swmodule *swmp; /* Keep track of the initial cwd */ int cwfd = open(".", O_RDONLY); for(swmp=swmh;swmp != NULL;swmp=swmp->next) if (swmp->init != NULL) { swmp->init(); if (cwfd >= 0) /* Restore cwd so each module will be initialized with the * original cwd also if the previous one changed it. */ fchdir(cwfd); } close(cwfd); } static void cleanup(void) { struct swmodule *swmp; file_cleanup(); for(swmp=swmh;swmp != NULL;swmp=swmp->next) if (swmp->cleanup != NULL) swmp->cleanup(0,-1,NULL); } static void sig_handler(int sig) { printlog(LOG_ERR,"Caught signal %d, cleaning up and exiting", sig); cleanup(); signal(sig, SIG_DFL); if (sig == SIGTERM) _exit(0); else kill(getpid(), sig); } static void setsighandlers() { /* setting signal handlers. * sets clean termination for SIGHUP, SIGINT and SIGTERM, and simply * ignores all the others signals which could cause termination. */ struct { int sig; const char *name; int ignore; } signals[] = { { SIGHUP, "SIGHUP", 0 }, { SIGINT, "SIGINT", 0 }, { SIGPIPE, "SIGPIPE", 1 }, { SIGALRM, "SIGALRM", 1 }, { SIGTERM, "SIGTERM", 0 }, { SIGUSR1, "SIGUSR1", 1 }, { SIGUSR2, "SIGUSR2", 1 }, { SIGPROF, "SIGPROF", 1 }, { SIGVTALRM, "SIGVTALRM", 1 }, #ifdef VDE_LINUX { SIGPOLL, "SIGPOLL", 1 }, #ifdef SIGSTKFLT { SIGSTKFLT, "SIGSTKFLT", 1 }, #endif { SIGIO, "SIGIO", 1 }, { SIGPWR, "SIGPWR", 1 }, #ifdef SIGUNUSED { SIGUNUSED, "SIGUNUSED", 1 }, #endif #endif #ifdef VDE_DARWIN { SIGXCPU, "SIGXCPU", 1 }, { SIGXFSZ, "SIGXFSZ", 1 }, #endif { 0, NULL, 0 } }; int i; for(i = 0; signals[i].sig != 0; i++) if(signal(signals[i].sig, signals[i].ignore ? SIG_IGN : sig_handler) < 0) printlog(LOG_ERR,"Setting handler for %s: %s", signals[i].name, strerror(errno)); } void set_switchmac() { struct timeval v; long val; int i; gettimeofday(&v,NULL); srand48(v.tv_sec ^ v.tv_usec ^ getpid()); for(i=0,val=lrand48();i<4; i++,val>>=8) switchmac[i+2]=val; switchmac[0]=0; switchmac[1]=0xff; } static void start_modules(void); int main(int argc, char **argv) { set_switchmac(); setsighandlers(); start_modules(); parse_args(argc,argv); atexit(cleanup); hash_init(hash_size); #ifdef FSTP fst_init(numports); #endif port_init(numports); init_mods(); loadrcfile(); qtimer_init(); main_loop(); return 0; } /* modules: module references are only here! */ static void start_modules(void) { void start_consmgmt(void); void start_datasock(void); void start_tuntap(void); start_datasock(); start_consmgmt(); #ifdef HAVE_TUNTAP start_tuntap(); #endif } vde2-2.3.2+r586/src/vde_tunctl.c0000644000000000000000000000665513614540472013070 0ustar /* Copyright 2002 Jeff Dike * Licensed under the GPL */ #include #include #include #include #include #include #include #include #include #include #include /* TUNSETGROUP appeared in 2.6.23 */ #ifndef TUNSETGROUP #define TUNSETGROUP _IOW('T', 206, int) #endif static void Usage(char *name) { fprintf(stderr, "Create: %s [-b] [-u owner] [-g group] [-n] [-t device-name] " "[-f tun-clone-device]\n", name); fprintf(stderr, "Delete: %s -d device-name [-f tun-clone-device]\n\n", name); fprintf(stderr, "The default tun clone device is /dev/net/tun - some systems" " use\n/dev/misc/net/tun instead\n\n"); fprintf(stderr, "-b will result in brief output (just the device name)\n"); fprintf(stderr, "-n create a tun interface (not needed if the device name prefix is tun\n"); exit(1); } int main(int argc, char **argv) { struct ifreq ifr; struct passwd *pw; struct group *gr; uid_t owner = -1; gid_t group = -1; int tap_fd, opt, delete = 0, brief = 0; int type=IFF_TAP; char *tun = "", *file = "/dev/net/tun", *name = argv[0], *end; while((opt = getopt(argc, argv, "bd:f:t:u:in")) > 0){ switch(opt) { case 'b': brief = 1; break; case 'd': delete = 1; tun = optarg; break; case 'f': file = optarg; break; case 'u': pw = getpwnam(optarg); if(pw != NULL){ owner = pw->pw_uid; break; } owner = strtol(optarg, &end, 0); if(*end != '\0'){ fprintf(stderr, "'%s' is neither a username nor a numeric uid.\n", optarg); Usage(name); } break; case 'g': gr = getgrnam(optarg); if(gr != NULL){ group = gr->gr_gid; break; } group = strtol(optarg, &end, 0); if(*end != '\0'){ fprintf(stderr, "'%s' is neither a groupname nor a numeric group.\n", optarg); Usage(name); } break; case 't': tun = optarg; break; case 'n': type = IFF_TUN; break; case 'h': default: Usage(name); } } argv += optind; argc -= optind; if(argc > 0) Usage(name); if((tap_fd = open(file, O_RDWR)) < 0){ fprintf(stderr, "Failed to open '%s' : ", file); perror(""); exit(1); } memset(&ifr, 0, sizeof(ifr)); if (strncmp(tun,"tun",3)==0) type=IFF_TUN; ifr.ifr_flags = type | IFF_NO_PI; strncpy(ifr.ifr_name, tun, sizeof(ifr.ifr_name) - 1); if(ioctl(tap_fd, TUNSETIFF, (void *) &ifr) < 0){ perror("TUNSETIFF"); exit(1); } if(delete){ if(ioctl(tap_fd, TUNSETPERSIST, 0) < 0){ perror("TUNSETPERSIST"); exit(1); } printf("Set '%s' nonpersistent\n", ifr.ifr_name); } else { /* emulate behaviour prior to TUNSETGROUP */ if(owner == -1 && group == -1) { owner = geteuid(); } if(owner != -1) { if(ioctl(tap_fd, TUNSETOWNER, owner) < 0){ perror("TUNSETOWNER"); exit(1); } } if(group != -1) { if(ioctl(tap_fd, TUNSETGROUP, group) < 0){ perror("TUNSETGROUP"); exit(1); } } if(ioctl(tap_fd, TUNSETPERSIST, 1) < 0){ perror("TUNSETPERSIST"); exit(1); } if(brief) printf("%s\n", ifr.ifr_name); else { printf("Set '%s' persistent and owned by", ifr.ifr_name); if(owner != -1) printf(" uid %d", owner); if(group != -1) printf(" gid %d", group); printf("\n"); } } return(0); } vde2-2.3.2+r586/src/vde_vxlan/0000755000000000000000000000000013614540472012527 5ustar vde2-2.3.2+r586/src/vde_vxlan/Makefile.am0000644000000000000000000000071613614540472014567 0ustar moddir = $(pkglibdir)/vde_vxlan AM_LDFLAGS = AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/src/vde_switch -I. if ENABLE_PROFILE AM_CFLAGS = -pg --coverage AM_LDFLAGS += -pg --coverage endif bin_PROGRAMS = vde_vxlan vde_vxlan_SOURCES = \ log.c \ log.h \ plug.c \ plug.h \ vde_vxlan.c \ vxlan.c \ vxlan.h \ vxlan_hash.c \ vxlan_hash.h vde_vxlan_LDADD = $(top_builddir)/src/common/libvdecommon.la \ $(top_builddir)/src/lib/libvdeplug.la vde2-2.3.2+r586/src/vde_vxlan/Makefile.in0000644000000000000000000005014613614540472014602 0ustar # Makefile.in generated by automake 1.14.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2013 Free Software Foundation, Inc. # This Makefile.in is free software; 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you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ #include #include "log.h" static const char *prog = "vde_vxlan"; int logok = 0; int debug = 0; void printlog(int priority, const char *format, ...) { va_list arg; if (!debug && priority == LOG_DEBUG) return; va_start(arg, format); if (logok) vsyslog(priority, format, arg); else { fprintf(stderr, "%s: ", prog); vfprintf(stderr, format, arg); fprintf(stderr, "\n"); } va_end(arg); } void printoutc(FILE *f, const char *format, ...) { va_list arg; va_start (arg, format); if (f) { vfprintf(f,format,arg); fprintf(f,"\n"); } else printlog(LOG_INFO,format,arg); va_end(arg); } vde2-2.3.2+r586/src/vde_vxlan/log.h0000644000000000000000000000204413614540472013461 0ustar /* * VDE - vde_vxlan Network emulator for vde * Copyright (C) 2014 Renzo Davoli, Alessandro Ghedini VirtualSquare * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ #include #include #include #include extern int logok; extern int debug; void printlog(int priority, const char *format, ...); void printoutc(FILE *f, const char *format, ...); vde2-2.3.2+r586/src/vde_vxlan/plug.c0000644000000000000000000000510513614540472013643 0ustar /* * VDE - vde_vxlan Network emulator for vde * Copyright (C) 2014 Renzo Davoli, Alessandro Ghedini VirtualSquare * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ #include #include #include #include "vxlan_hash.h" #include "log.h" #include "vxlan.h" #include "plug.h" static VDECONN *conn; void plug_open(char *path, int port, struct pollfd *pfd) { struct vde_open_args open_args = { .port = port, .group = NULL, .mode = 0700 }; conn = vde_open(path, "vde_vxlan:", &open_args); if (conn == NULL) { printlog(LOG_ERR,"vde_open(\"%s\"): %s", path ? path : "DEF_SWITCH", strerror(errno)); exit(1); } pfd[0].fd = vde_ctlfd(conn); pfd[0].events = POLLIN | POLLHUP; pfd[1].fd = vde_datafd(conn); pfd[1].events = POLLIN | POLLHUP; } void plug_process() { struct vxlan_pkt pkt; in_addr_t dest_addr; int nx = vde_recv(conn, (void *) &pkt.pkt, sizeof(pkt), 0); if (nx < 0) printlog(LOG_ERR, "vde_recv(): %s", strerror(errno)); printlog(LOG_DEBUG, "VDE packet"); find_in_hash_update(pkt.pkt.header.src, vxlan_id, 1, NULL); if ((pkt.pkt.header.dest[0] == 0xff) && (pkt.pkt.header.dest[1] == 0xff) && (pkt.pkt.header.dest[2] == 0xff) && (pkt.pkt.header.dest[3] == 0xff) && (pkt.pkt.header.dest[4] == 0xff) && (pkt.pkt.header.dest[5] == 0xff)) { printlog(LOG_DEBUG, "Broadcast send"); vxlan_send(0, &pkt, nx); return; } find_in_hash(pkt.pkt.header.dest, vxlan_id, &dest_addr); if (dest_addr == 0) { printlog(LOG_DEBUG, "Multicast send"); vxlan_send(0, &pkt, nx); return; } if (dest_addr > 1) { struct in_addr a; a.s_addr = dest_addr; printlog(LOG_DEBUG, "Send to %s", inet_ntoa(a)); vxlan_send(dest_addr, &pkt, nx); } } void plug_send(struct eth_pkt *pkt, size_t len) { int nx = vde_send(conn, pkt, len, 0); if (nx < 0) printlog(LOG_ERR, "vde_send(): %s", strerror(errno)); } void plug_close() { vde_close(conn); } vde2-2.3.2+r586/src/vde_vxlan/plug.h0000644000000000000000000000173213614540472013652 0ustar /* * VDE - vde_vxlan Network emulator for vde * Copyright (C) 2014 Renzo Davoli, Alessandro Ghedini VirtualSquare * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ void plug_open(char *path, int port, struct pollfd *pfd); void plug_close(); void plug_process(); void plug_send(struct eth_pkt *p, size_t len); vde2-2.3.2+r586/src/vde_vxlan/vde_vxlan.c0000644000000000000000000001016213614540472014661 0ustar /* * VDE - vde_vxlan Network emulator for vde * Copyright (C) 2014 Renzo Davoli, Alessandro Ghedini VirtualSquare * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ #include #include #include #include #include "vxlan_hash.h" #include "log.h" #include "vxlan.h" #include "plug.h" /* from vde_switch/switch.h */ #define INIT_HASH_SIZE 128 void cleanup(); void help(); int main(int argc, char *argv[]) { int opts; struct pollfd pfd[3]; char *plug_addr = NULL; int plug_port = 0; int daemonize = 0; const char *short_opts = "I:A:P:T:s:p:dvh"; struct option long_opts[] = { { "vxlan-id", required_argument, 0, 'I' }, { "vxlan-addr", required_argument, 0, 'A' }, { "vxlan-port", required_argument, 0, 'P' }, { "vxlan-mttl", required_argument, 0, 'T' }, { "sock", required_argument, 0, 's' }, { "port", required_argument, 0, 'p' }, { "daemon", no_argument, 0, 'd' }, { "verbose", no_argument, 0, 'v' }, { "help", no_argument, 0, 'h' }, {0, 0, 0, 0} }; while ((opts = getopt_long(argc, argv, short_opts, long_opts, 0)) != -1) { switch (opts) { /* VXLAN opts */ case 'I': { vxlan_id = atoi(optarg); break; } /* TODO: IPv6 support */ case 'A': { vxlan_addr = inet_addr(optarg); break; } case 'P': { vxlan_port = atoi(optarg); break; } case 'T': { vxlan_mttl = atoi(optarg); break; } /* VDE opts */ case 's': { plug_addr = strdup(optarg); break; } case 'p': { plug_port = atoi(optarg); break; } case 'd': { daemonize = 1; break; } case 'v': { debug = 1; break; } default : case 'h': { help(); exit(1); } } } if (vxlan_id == -1) { printlog(LOG_ERR, "Invalid VXLAN ID"); exit(1); } if (vxlan_addr == INADDR_NONE) { printlog(LOG_ERR, "Invalid VXLAN multicast address"); exit(1); } atexit(cleanup); plug_open(plug_addr, plug_port, pfd); vxlan_open(pfd); hash_init(INIT_HASH_SIZE); if (daemonize && daemon(0, 0)) { printlog(LOG_ERR, "daemon(): %s", strerror(errno)); return 1; } else if (daemonize) { logok = 1; openlog("vde_vxlan", LOG_PID, 0); printlog(LOG_INFO, "VDE_VXLAN started"); } while (1) { int n = poll(pfd, 3, 1000); if ((n < 0) && (errno != EINTR)) { printlog(LOG_ERR, "poll(): %s", strerror(errno)); return 1; } if (pfd[0].revents & POLLHUP) { printlog(LOG_INFO, "VDE connection closed"); return 0; } if (pfd[1].revents & POLLHUP) { printlog(LOG_ERR, "VDE connection error"); } if (pfd[1].revents & POLLIN) { plug_process(); } if (pfd[2].revents & POLLIN) { vxlan_process(); } hash_gc(); } return 0; } void cleanup() { vxlan_close(); plug_close(); } void help() { #define CMD_HELP(CMDL, CMDS, MSG) printf(" %s, %s\t%s.\n", CMDS, CMDL, MSG); puts("Usage: vde_vxlan [OPTIONS]\n"); puts(" VXLAN Options:"); CMD_HELP("--vxlan-id", "-I", "ID of the VXLAN"); CMD_HELP("--vxlan-addr", "-A", "Multicast address of the VXLAN"); CMD_HELP("--vxlan-port", "-P", "Port of the VXLAN (default 4879)"); CMD_HELP("--vxlan-mttl", "-T", "Multicast TTL (default 1)"); puts("\n VDE Options:"); CMD_HELP("--sock", "-s", "Socket directory of the VDE switch"); CMD_HELP("--port", "-p", "Port of the VDE switch"); CMD_HELP("--daemon", "-d", "Run in background"); CMD_HELP("--verbose", "-v", "Show debug output"); CMD_HELP("--help", "-h", "Show this help"); puts(""); } vde2-2.3.2+r586/src/vde_vxlan/vxlan.c0000644000000000000000000001134213614540472014024 0ustar /* * VDE - vde_vxlan Network emulator for vde * Copyright (C) 2014 Renzo Davoli, Alessandro Ghedini VirtualSquare * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ #include #include #include #include #include #include #include "vxlan_hash.h" #include "log.h" #include "vxlan.h" #include "plug.h" #define ntoh24(p) (((p)[0] << 16) | ((p)[1] << 8) | ((p)[2])) #define hton24(p, v) { \ p[0] = (((v) >> 16) & 0xFF); \ p[1] = (((v) >> 8) & 0xFF); \ p[2] = ((v) & 0xFF); \ } int vxlan_id = -1; in_addr_t vxlan_addr = INADDR_NONE; int vxlan_port = 4879; int vxlan_mttl = 1; static int vxlan_fd = -1; void vxlan_open(struct pollfd *pfd) { int sock; int loop = 0; struct ip_mreq mc_req; struct sockaddr_in addr_in; if ((sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) { printlog(LOG_ERR, "socket(): %s", strerror(errno)); exit(1); } if ((setsockopt(sock, IPPROTO_IP, IP_MULTICAST_TTL, &vxlan_mttl, sizeof(vxlan_mttl))) < 0) { printlog(LOG_ERR, "setsockopt(TTL): %s", strerror(errno)); exit(1); } if ((setsockopt(sock, IPPROTO_IP, IP_MULTICAST_LOOP, &loop, sizeof(loop))) < 0) { printlog(LOG_ERR, "setsockopt(LOOP): %s", strerror(errno)); exit(1); } memset(&addr_in, 0, sizeof(addr_in)); addr_in.sin_family = AF_INET; addr_in.sin_addr.s_addr = htonl(INADDR_ANY); addr_in.sin_port = htons(vxlan_port); if ((bind(sock, (struct sockaddr *) &addr_in, sizeof(addr_in))) < 0) { printlog(LOG_ERR, "bind(): %s", strerror(errno)); exit(1); } /* send an IGMP join request */ mc_req.imr_multiaddr.s_addr = vxlan_addr; mc_req.imr_interface.s_addr = htonl(INADDR_ANY); if ((setsockopt(sock, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mc_req, sizeof(mc_req))) < 0) { printlog(LOG_ERR, "setsockopt(ADD): %s", strerror(errno)); exit(1); } vxlan_fd = sock; pfd[2].fd = sock; pfd[2].events = POLLIN | POLLHUP; } void vxlan_process() { struct vxlan_pkt pkt; struct sockaddr_in src_addr; socklen_t src_addr_len=sizeof(src_addr); in_addr_t dest_addr; size_t len = recvfrom(vxlan_fd, &pkt, sizeof(pkt), 0, (struct sockaddr *) &src_addr, &src_addr_len); if (len < 0) printlog(LOG_ERR, "recvfrom(): %s", strerror(errno)); printlog(LOG_DEBUG, "VXLAN packet from %s",inet_ntoa(src_addr.sin_addr)); if (pkt.flags != (1<<3)) { printlog(LOG_ERR, "Invalid flags"); return; } if (ntoh24(pkt.id) != vxlan_id) { printlog(LOG_DEBUG, "Invalid VNI"); return; } find_in_hash_update(pkt.pkt.header.src, vxlan_id, src_addr.sin_addr.s_addr, NULL); if ((pkt.pkt.header.dest[0] == 0xff) && (pkt.pkt.header.dest[1] == 0xff) && (pkt.pkt.header.dest[2] == 0xff) && (pkt.pkt.header.dest[3] == 0xff) && (pkt.pkt.header.dest[4] == 0xff) && (pkt.pkt.header.dest[5] == 0xff)) { printlog(LOG_DEBUG, "Broadcast send"); plug_send(&pkt.pkt, len-offsetof(struct vxlan_pkt,pkt)); return; } find_in_hash(pkt.pkt.header.dest, vxlan_id, &dest_addr); switch (dest_addr) { case 0: printlog(LOG_DEBUG, "Not found"); case 1: plug_send(&pkt.pkt,len-offsetof(struct vxlan_pkt,pkt)); printlog(LOG_DEBUG, "Send to VDE"); break; default: printlog(LOG_DEBUG, "Drop"); break; } } void vxlan_send(in_addr_t addr_s, struct vxlan_pkt *pkt, size_t len) { struct sockaddr_in addr; addr.sin_family = AF_INET; addr.sin_addr.s_addr = addr_s ? addr_s : vxlan_addr; addr.sin_port = htons(vxlan_port); memset(pkt, 0, offsetof(struct vxlan_pkt,pkt)); pkt->flags = (1 << 3); hton24(pkt->id, vxlan_id); if (sendto(vxlan_fd, pkt, len+offsetof(struct vxlan_pkt,pkt), 0, (struct sockaddr *) &addr, sizeof(addr)) < 0) printlog(LOG_ERR, "sendto(): %s", strerror(errno)); } void vxlan_close() { if (vxlan_fd == -1) return; struct ip_mreq mc_req; mc_req.imr_multiaddr.s_addr = vxlan_addr; mc_req.imr_interface.s_addr = htonl(INADDR_ANY); if ((setsockopt(vxlan_fd, IPPROTO_IP, IP_DROP_MEMBERSHIP, (void *) &mc_req, sizeof(mc_req))) < 0) { printlog(LOG_ERR, "setsockopt(DROP): %s", strerror(errno)); exit(1); } close(vxlan_fd); } vde2-2.3.2+r586/src/vde_vxlan/vxlan.h0000644000000000000000000000304613614540472014033 0ustar /* * VDE - vde_vxlan Network emulator for vde * Copyright (C) 2014 Renzo Davoli, Alessandro Ghedini VirtualSquare * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ #include #include /* from vde_switch/port.h */ #define ETH_ALEN 6 #define ETH_HEADER_SIZE 14 struct eth_hdr { unsigned char dest[ETH_ALEN]; unsigned char src[ETH_ALEN]; unsigned char proto[2]; }; struct eth_pkt { struct eth_hdr header; unsigned char data[1504]; /*including trailer, IF ANY */ }; struct vxlan_pkt { unsigned char flags; unsigned char priv1[3]; unsigned char id[3]; unsigned char priv2[1]; struct eth_pkt pkt; }; extern int vxlan_id; extern in_addr_t vxlan_addr; extern int vxlan_port; extern int vxlan_mttl; void vxlan_open(struct pollfd *pfd); void vxlan_close(); void vxlan_process(); void vxlan_send(in_addr_t addr, struct vxlan_pkt *p, size_t len); vde2-2.3.2+r586/src/vde_vxlan/vxlan_hash.c0000644000000000000000000001360113614540472015027 0ustar /* * VDE - vde_vxlan Network emulator for vde * Copyright (C) 2014 Renzo Davoli, Alessandro Ghedini VirtualSquare * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "log.h" #include "switch.h" #include "vxlan_hash.h" #include "consmgmt.h" #include "bitarray.h" #define MIN_PERSISTENCE_DFL 3 static int min_persistence=MIN_PERSISTENCE_DFL; #define HASH_INIT_BITS 7 static int hash_bits; static int hash_mask; #define HASH_SIZE (1 << hash_bits) struct hash_entry { struct hash_entry *next; struct hash_entry **prev; time_t last_seen; in_addr_t port; u_int64_t dst; }; static struct hash_entry **h; static int calc_hash(u_int64_t src) { src ^= src >> 33; src *= 0xff51afd7ed558ccd; src ^= src >> 33; src *= 0xc4ceb9fe1a85ec53; return src & hash_mask; } #if BYTE_ORDER == LITTLE_ENDIAN #define EMAC2MAC6(X) \ (u_int)((X)&0xff), (u_int)(((X)>>8)&0xff), (u_int)(((X)>>16)&0xff), \ (u_int)(((X)>>24)&0xff), (u_int)(((X)>>32)&0xff), (u_int)(((X)>>40)&0xff) #elif BYTE_ORDER == BIG_ENDIAN #define EMAC2MAC6(X) \ (u_int)(((X)>>24)&0xff), (u_int)(((X)>>16)&0xff), (u_int)(((X)>>8)&0xff), \ (u_int)((X)&0xff), (u_int)(((X)>>40)&0xff), (u_int)(((X)>>32)&0xff) #else #error Unknown Endianess #endif #define EMAC2VLAN(X) ((u_int16_t) ((X)>>48)) #define EMAC2VLAN2(X) ((u_int) (((X)>>48) &0xff)), ((u_int) (((X)>>56) &0xff)) #define find_entry(MAC) \ ({struct hash_entry *e; \ int k = calc_hash(MAC);\ for(e = h[k]; e && e->dst != (MAC); e = e->next)\ ;\ e; }) #define extmac(MAC,VLAN) \ ((*(u_int32_t *) &((MAC)[0])) + ((u_int64_t) ((*(u_int16_t *) &((MAC)[4]))+ ((u_int64_t) (VLAN) << 16)) << 32)) /* looks in global hash table 'h' for given address, and return associated * port */ int find_in_hash(unsigned char *dst, int vlan, in_addr_t *out) { struct hash_entry *e = find_entry(extmac(dst,vlan)); *out = 0; if(e == NULL) return 0; *out = e->port; return 1; } int find_in_hash_update(unsigned char *src, int vlan, in_addr_t port, in_addr_t *out) { struct hash_entry *e; u_int64_t esrc=extmac(src,vlan); int k = calc_hash(esrc); in_addr_t oldport; time_t now; for(e = h[k]; e && e->dst != esrc; e = e->next) ; if(e == NULL) { e = (struct hash_entry *) malloc(sizeof(*e)); if(e == NULL){ printlog(LOG_WARNING,"Failed to malloc hash entry %s",strerror(errno)); return 0; } DBGOUT(DBGHASHNEW,"%02x:%02x:%02x:%02x:%02x:%02x VLAN %02x:%02x Port %d", EMAC2MAC6(esrc), EMAC2VLAN2(esrc), port); EVENTOUT(DBGHASHNEW,esrc); e->dst = esrc; if(h[k] != NULL) h[k]->prev = &(e->next); e->next = h[k]; e->prev = &(h[k]); e->port = port; h[k] = e; } oldport=e->port; now=time(NULL); if (oldport!=port) { if ((now - e->last_seen) > min_persistence) { e->port=port; e->last_seen = now; } } else { e->last_seen = now; } if (out != NULL) *out = oldport; return 1; } #define delete_hash_entry(OLD) \ ({ \ DBGOUT(DBGHASHDEL,"%02x:%02x:%02x:%02x:%02x:%02x VLAN %02x:%02x Port %d", EMAC2MAC6(OLD->dst), EMAC2VLAN2(OLD->dst), OLD->port); \ EVENTOUT(DBGHASHDEL,OLD->dst);\ *((OLD)->prev)=(OLD)->next; \ if((OLD)->next != NULL) (OLD)->next->prev = (OLD)->prev; \ free((OLD)); \ }) /* for each entry of the global hash table 'h', calls function f, passing to it * the hash entry and the additional arg 'arg' */ static void for_all_hash(void (*f)(struct hash_entry *, void *), void *arg) { int i; struct hash_entry *e, *next; for(i = 0; i < HASH_SIZE; i++){ for(e = h[i]; e; e = next){ next = e->next; (*f)(e, arg); } } } #define GC_INTERVAL 2 #define GC_EXPIRE 100 static int gc_interval; static int gc_expire; /* clean from the hash table entries older than GC_EXPIRE seconds, given that * 'now' points to a time_t structure describing the current time */ static void gc(struct hash_entry *e, void *now) { time_t t = *(time_t *) now; if(e->last_seen + gc_expire < t) delete_hash_entry(e); } /* clean old entries in the hash table 'h', and prepare the timer to be called * again between GC_INTERVAL seconds */ void hash_gc(void) { time_t t = time(NULL); static time_t last_t; if (t - last_t > GC_INTERVAL) { for_all_hash(&gc, &t); last_t=t; } } #define HASH_INIT(BIT) \ ({ hash_bits=(BIT);\ hash_mask=HASH_SIZE-1;\ if ((h=(struct hash_entry **) calloc (HASH_SIZE,sizeof (struct hash_entry *))) == NULL) {\ printlog(LOG_WARNING,"Failed to malloc hash table %s",strerror(errno));\ exit(1); \ }\ }) static inline int po2round(int vx) { if (vx == 0) return 0; else { int i=0; int x=vx-1; while (x) { x>>=1; i++; } if (vx != 1< #ifndef __HASH_H__ #define __HASH_H__ extern int find_in_hash(unsigned char *dst, int vlan, in_addr_t *out); extern int find_in_hash_update(unsigned char *dst, int vlan, in_addr_t port, in_addr_t *out); extern in_addr_t find_in_hash_v6(unsigned char *dst, int vlan, unsigned char *out); extern in_addr_t find_in_hash_update_v6(unsigned char *dst, int vlan, unsigned char *port, unsigned char *out); extern void hash_gc(void); extern void hash_init(int hash_size); #endif vde2-2.3.2+r586/src/vdeq.c0000644000000000000000000002704513614540472011654 0ustar /* Copyright 2003 Renzo Davoli * TNX: 2005.11.18 new syntax mgmt patch by Iain McFarlane * Licensed under the GPL */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define SWITCH_MAGIC 0xfeedface #define BUFSIZE 2048 #define ETH_ALEN 6 #define MAXDESCR 128 int exit_value = 256; /* out of range for exit status possible values */ static int nb_nics; VDECONN **conn; unsigned char bufin[BUFSIZE]; struct pollfd *pollv; char *filename; char *vdeqname; #define NUMW 10 static int countnics(const char *s) { int nics=1; while (*s) { if (*s==',') nics++; s++; } return nics; } static int countnewnics(int argc,char *argv[]) { int nics=0; int netflag=0; while (argc > 0) { if (strcmp(argv[0],"-net")==0) netflag=1; else { if (netflag && (strncmp(argv[0],"vde",3)==0)) nics++; netflag=0; } argv++; argc--; } return nics; } static int isdaemonize(int argc,char *argv[]) { int daemonize=0; if(strcmp(filename,"qemu")==0){ int daemonadds=0; while (argc > 0) { if (strcmp(argv[0],"-daemonize")==0) daemonize=1; if ((strcmp(argv[0],"-vnc")==0) || (strcmp(argv[0],"-nographic")==0)) daemonadds=1; argv++; argc--; } if(daemonize && !daemonadds) daemonize = 0; } else { while (argc > 0 && !daemonize) { if (strcmp(argv[0],"-daemonize")==0) daemonize=1; else { argv++; argc--; } } } return daemonize; } static void usage(void) { if (strcmp(vdeqname,"vdeq") != 0 && strncmp(vdeqname,"vde",3)==0) { fprintf(stderr,"Usage: %s [-h]\n" "\t %s ...qemu options... -net vde[,vlan=n][,sock=sock] ... \n" "Old syntax:\n" "\t %s [-sock sock1 [,sock2...]] qemu_options\n" "\t (%s executes a qemu machine named %s, \n\t output of \"%s -h\" follows)\n\n", vdeqname,vdeqname,vdeqname,vdeqname,filename,filename); execlp(filename,filename,"-h",(char *) 0); } else { fprintf(stderr,"Usage: %s [-h]\n" "\t %s qemu_executable ...qemu options... -net vde[,vlan=n][,sock=sock] ... \n" "Old syntax:\n" "\t %s qemu_executable [-sock sock1 [,sock2...]] qemu_options\n", vdeqname,vdeqname, vdeqname); exit(0); } } static void cleanup() { int i; for (i=0; i 0) { int status; close(fd[1]); len=read(fd[0],buf,256); if (len>0) { int i; for(i=0;i 1) { filename=argv[1]; argc--; argv++; } else { usage(); } daemonize=isdaemonize(argc-1,argv+1); if ((ver=checkver(filename)) < 0x800) oldsyntax=1; if (!oldsyntax) { nb_nics=countnewnics(argc-1,argv+1); if (nb_nics > 0) newsyntax=1; } if ((argc > 1 && ( strcmp(argv[1],"-h")==0 || strcmp(argv[1],"-help")==0 || strcmp(argv[1],"--help")==0 )) || ( strcmp(filename,"-h")==0 || strcmp(filename,"-help")==0 || strcmp(filename,"--help")==0 )) { usage(); } else if (argc > 2 && ( (strcmp(argv[1],"-vdesock")==0) || (strcmp(argv[1],"-sock")==0) || (strcmp(argv[1],"-unix")==0)) ){ argsock=argv[2]; 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\ if (native_##function == NULL) { \ *(void **)(&native_##function) = dlsym(RTLD_NEXT, name); \ if ((msg = dlerror()) != NULL) { \ fprintf (stderr, "%s: dlsym(%s): %s\n", PACKAGE, name, msg); \ } \ } \ } static int (*native_ioctl) (int d, int request, ...) = NULL; static int (*native_open) (const char *pathname, int flags, ...) = NULL; static int (*native_open64) (const char *pathname, int flags, ...) = NULL; int tapfd[2] = {-1,-1}; static int tapcount=0; static int tuncount=0; static struct pidlist { pid_t pid; struct pidlist *next; } *plh = NULL, *flh=NULL, pidpool[MAX]; static struct pidlist *plmalloc(void) { struct pidlist *rv; rv=flh; if (rv != NULL) flh=flh->next; return rv; } /* not used? static void plfree (struct pidlist *el) { el->next=flh; flh=el; } */ static int addpid(int pid) { struct pidlist *plp; if ((plp=plmalloc ()) != NULL) { plp->next=plh; plh=plp; plp->pid=pid; return pid; } else { kill(pid,SIGTERM); return -1; } } void libvdetap_init (void) __attribute((constructor)); void libvdetap_init(void) { int i; nativesym(ioctl, "ioctl"); nativesym(open, "open"); nativesym(open64, "open64"); for (i=1;ipid,SIGTERM); plp = plp->next; } } int open(const char *path, int flags, ...) { va_list ap; int data; va_start(ap, flags); data = va_arg(ap, int); va_end(ap); if (strcmp(path,TUNTAPPATH)==0 && tapfd[0] == -1) { if (socketpair(PF_UNIX, SOCK_DGRAM, 0,tapfd) == 0) return tapfd[0]; else return -1; } else return native_open(path, flags, data); } int open64(const char *path, int flags, ...) { va_list ap; int data; va_start(ap, flags); data = va_arg(ap, int); va_end(ap); if (strcmp(path,TUNTAPPATH)==0 && tapfd[0] == -1) { if (socketpair(PF_UNIX, SOCK_DGRAM, 0,tapfd) == 0) return tapfd[0]; else return -1; } else return native_open64(path, flags | O_LARGEFILE, data); } static char *getvdeopt(struct ifreq *ifr,char *suffix) { static char buf[16]; char *rv; snprintf(buf,16,"%s_%s",ifr->ifr_name,suffix); if ((rv=getenv(buf)) != NULL) return rv; snprintf(buf,16,"VDEALLTAP_%s",suffix); if ((rv=getenv(buf)) != NULL) return rv; else return ""; } #ifdef VDE_BIONIC int ioctl(int fd, int command, ...) #else int ioctl(int fd, unsigned long int command, ...) #endif { va_list ap; char *data; char *vdesock; int pid; int callerpid=getpid(); va_start(ap, command); data = va_arg(ap, char *); va_end(ap); if (fd == tapfd[0]) { if (command == TUNSETIFF) { struct ifreq *ifr = (struct ifreq *) data; char num[5]; char name[10]; char scallerpid[6]; ifr->ifr_name[IFNAMSIZ-1] = '\0'; if (ifr->ifr_name[0] == 0) { if (ifr->ifr_flags & IFF_TAP) sprintf(name,"tap%d",tapcount++); else sprintf(name,"tun%d",tuncount++); strncpy(ifr->ifr_name,name,IFNAMSIZ); } else if (strchr(ifr->ifr_name, '%') != NULL) { sprintf(name,ifr->ifr_name,tapcount++); strncpy(ifr->ifr_name,name,IFNAMSIZ); } if ((ifr->ifr_flags & IFF_TAP) && ( /* from env: single interface or VDEALLTAP */ ((vdesock=getenv(ifr->ifr_name)) != NULL) || (vdesock=getenv(VDEALLTAP)) != NULL) ){ if ((pid=fork()) < 0) { close(tapfd[1]); errno=EINVAL; return -1; } else if (pid > 0) { /*father*/ if((pid=addpid(pid)) < 0) { close(tapfd[0]); close(tapfd[1]); return -1; } else { close(tapfd[1]); return 0; } } else { /*son*/ plh=NULL; close(tapfd[0]); sprintf(num,"%d",tapfd[1]); sprintf(scallerpid,"%d",callerpid); return execlp(VDETAPEXEC,"-",num,vdesock,ifr->ifr_name, scallerpid, getvdeopt(ifr,"port"), getvdeopt(ifr,"group"), getvdeopt(ifr,"mode"), (char *) 0); } } else /*roll back to the native tuntap*/ { int newfd; int saverrno; int resultioctl; close(tapfd[1]); if ((newfd=native_open(TUNTAPPATH, O_RDWR, 0)) < 0) { saverrno=errno; close(tapfd[0]); errno=saverrno; return -1; } else { resultioctl=native_ioctl(fd, command, data); if (resultioctl < 0) { saverrno=errno; close(tapfd[0]); errno=saverrno; return -1; } else { dup2(newfd,tapfd[0]); return resultioctl; } } } } else return 0; } else return (native_ioctl(fd, command, data)); } vde2-2.3.2+r586/src/vdetaplib/test.c0000644000000000000000000000171213614540472013637 0ustar /* Copyright 2004 Renzo Davoli * Reseased under the GPLv2 */ #include #include #include #include #include #include #include #include #include #include #include static int tun_alloc(char *dev) { struct ifreq ifr; int fd, err; if( (fd = open("/dev/net/tun", O_RDWR)) < 0 ) return (-1); memset(&ifr, 0, sizeof(ifr)); /* Flags: IFF_TUN - TUN device (no Ethernet headers) * IFF_TAP - TAP device * * IFF_NO_PI - Do not provide packet information */ ifr.ifr_flags = IFF_TAP; if( *dev ) strncpy(ifr.ifr_name, dev, IFNAMSIZ); if( (err = ioctl(fd, TUNSETIFF, (void *) &ifr)) < 0 ){ close(fd); return err; } printf("ioctl returns\n"); strcpy(dev, ifr.ifr_name); printf("ioctl idev\n"); return fd; } char interface[IFNAMSIZ]="tap0"; main() { tun_alloc(interface); pause(); } vde2-2.3.2+r586/src/vdetaplib/vdetap.c0000644000000000000000000000371213614540472014145 0ustar /* Copyright 2004 Renzo Davoli * Reseased under the GPLv2 */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #define SWITCH_MAGIC 0xfeedface #define BUFSIZE 2048 #define MAXDESCR 128 VDECONN *conn; static unsigned char bufin[BUFSIZE]; static struct pollfd pollv[]={{0,POLLIN|POLLHUP,0},{0,POLLIN|POLLHUP,0}}; int main(int argc,char *argv[]) { int fd,fddata; int nx; int i; struct vde_open_args open_args={.port=0,.group=NULL,.mode=0700}; char *descr; /*printf("argc = %d\n",argc); for (i=0;i #include #include #include #include #include #include #include #include #include #include #include char *prompt; static struct termios tiop; static void cleanup(void) { fprintf(stderr,"\n"); tcsetattr(STDIN_FILENO,TCSAFLUSH,&tiop); } static void sig_handler(int sig) { cleanup(); signal(sig, SIG_DFL); if (sig == SIGTERM) _exit(0); else kill(getpid(), sig); } static void setsighandlers() { /* setting signal handlers. * sets clean termination for SIGHUP, SIGINT and SIGTERM, and simply * ignores all the others signals which could cause termination. */ struct { int sig; const char *name; int ignore; } signals[] = { { SIGHUP, "SIGHUP", 0 }, { SIGINT, "SIGINT", 0 }, { SIGPIPE, "SIGPIPE", 1 }, { SIGALRM, "SIGALRM", 1 }, { SIGTERM, "SIGTERM", 0 }, { SIGUSR1, "SIGUSR1", 1 }, { SIGUSR2, "SIGUSR2", 1 }, { SIGPROF, "SIGPROF", 1 }, { SIGVTALRM, "SIGVTALRM", 1 }, #ifdef VDE_LINUX { SIGPOLL, "SIGPOLL", 1 }, #ifdef SIGSTKFLT { SIGSTKFLT, "SIGSTKFLT", 1 }, #endif { SIGIO, "SIGIO", 1 }, { SIGPWR, "SIGPWR", 1 }, #ifdef SIGUNUSED { SIGUNUSED, "SIGUNUSED", 1 }, #endif #endif #ifdef VDE_DARWIN { SIGXCPU, "SIGXCPU", 1 }, { SIGXFSZ, "SIGXFSZ", 1 }, #endif { 0, NULL, 0 } }; int i; for(i = 0; signals[i].sig != 0; i++) if(signal(signals[i].sig, signals[i].ignore ? SIG_IGN : sig_handler) < 0) fprintf(stderr,"Error setting handler for %s: %s\n", signals[i].name, strerror(errno)); } #define BUFSIZE 1024 static char *copy_header_prompt (int vdefd,int termfd,char *sock) { char buf[BUFSIZE]; int n; char *prompt; while (1) { struct pollfd wfd={vdefd,POLLIN|POLLHUP,0}; poll(&wfd,1,-1); while ((n=read(vdefd,buf,BUFSIZE))>0) { if (buf[n-2]=='$' && buf[n-1]==' ') { n-=2; buf[n]=0; while (n>0 && buf[n] !='\n') n--; write(termfd,buf,n+1); asprintf(&prompt,"%s[%s]: ",buf+n+1,sock); return prompt; } else write(termfd,buf,n); } } } int main(int argc,char *argv[]) { struct sockaddr_un sun; int fd; int rv; int flags; struct termios newtiop; static struct pollfd pfd[]={ {STDIN_FILENO,POLLIN | POLLHUP,0}, {STDIN_FILENO,POLLIN | POLLHUP,0}}; //static int fileout[]={STDOUT_FILENO,STDOUT_FILENO}; struct vdehiststat *vdehst; setsighandlers(); tcgetattr(STDIN_FILENO,&tiop); atexit(cleanup); sun.sun_family=PF_UNIX; snprintf(sun.sun_path,sizeof(sun.sun_path),"%s",argv[1]); //asprintf(&prompt,"vdterm[%s]: ",argv[1]); if((fd=socket(PF_UNIX,SOCK_STREAM,0))<0) { perror("Socket opening error"); exit(-1); } if ((rv=connect(fd,(struct sockaddr *)(&sun),sizeof(sun))) < 0) { perror("Socket connecting error"); exit(-1); } newtiop=tiop; newtiop.c_cc[VMIN]=1; newtiop.c_cc[VTIME]=0; newtiop.c_lflag &= ~ICANON; newtiop.c_lflag &= ~ECHO; tcsetattr(STDIN_FILENO,TCSAFLUSH,&newtiop); flags = fcntl(fd, F_GETFL); flags |= O_NONBLOCK; fcntl(fd, F_SETFL, flags); pfd[1].fd=fd; prompt=copy_header_prompt(fd,STDOUT_FILENO,argv[1]); vdehst=vdehist_new(STDIN_FILENO,fd); write(STDOUT_FILENO,prompt,strlen(prompt)+1); while(1) { poll(pfd,2,-1); //printf("POLL %d %d\n",pfd[0].revents,pfd[1].revents); if(pfd[0].revents & POLLHUP || pfd[1].revents & POLLHUP) exit(0); if(pfd[0].revents & POLLIN) { if (vdehist_term_to_mgmt(vdehst) != 0) exit(0); } if(pfd[1].revents & POLLIN) vdehist_mgmt_to_term(vdehst); //printf("POLL RETURN!\n"); } } vde2-2.3.2+r586/src/wirefilter.c0000644000000000000000000012334713614540472013073 0ustar /* WIREFILTER (C) 2005 Renzo Davoli * Licensed under the GPLv2 * Modified by Ludovico Gardenghi 2005 * Modified by Renzo Davoli, Luca Bigliardi 2007 * Modified by Renzo Davoli, Luca Raggi 2009 (Markov chain support) * Gauss normal distribution/blinking support, requested and parlty implemented * by Luca Saiu and Jean-Vincent Loddo (Marionnet project) * Gilbert model for packet loss requested by Leandro Galvao. * * This filter can be used for testing network protcols. * It is possible to loose, delay or reorder packets. * Options can be set on command line or interactively with a remote interface * on a unix socket (see unixterm). */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if defined(VDE_DARWIN) || defined(VDE_FREEBSD) # if defined HAVE_SYSLIMITS_H # include # elif defined HAVE_SYS_SYSLIMITS_H # include # else # error "No syslimits.h found" # endif #endif #define NPIPES 2 #define MAXCONN 3 static int alternate_stdin; static int alternate_stdout; #define NPFD NPIPES+NPIPES+MAXCONN+1 struct pollfd pfd[NPFD]={[0 ... NPFD-1 ]={.fd=-1}}; int outfd[NPIPES]; char debuglevel[NPFD]; char *progname; char *mgmt; int mgmtmode=0700; #define LR 0 #define RL 1 #define ALGO_UNIFORM 0 #define ALGO_GAUSS_NORMAL 1 static char charalgo[]="UN"; struct wirevalue { double value; double plus; char alg; }; #define LOSS 0 #define LOSTBURST 1 #define DELAY 2 #define DDUP 3 #define BAND 4 #define SPEED 5 #define CHANBUFSIZE 6 #define NOISE 7 #define MTU 8 #define NUMVALUES 9 /* general Markov chain approach */ int markov_numnodes=0; int markov_current=0; struct markov_node { char *name; struct wirevalue val[NUMVALUES][2]; }; double *adjmap; #define ADJMAPN(M,I,J,N) (M)[(I)*(N)+(J)] #define ADJMAP(I,J) ADJMAPN(adjmap,(I),(J),markov_numnodes) #define ROT(I,J) (((I)+(J))%markov_numnodes) struct markov_node **markov_nodes; #define WFVAL(N,T,D) (markov_nodes[N]->val[T][D]) #define WFADDR(N,T) (markov_nodes[N]->val[T]) #define WFNAME(N) (markov_nodes[N]->name) double markov_time=100.0; long long markov_next; /*for the Gilbert model */ #define OK_BURST 0 #define FAULTY_BURST 1 char loss_status[2]; /* Gilbert model Markov chain status */ struct timeval nextband[2]; struct timeval nextspeed[2]; int nofifo; int ndirs; //1 mono directional, 2 bi directional filter (always 2 with -v) int delay_bufsize[2]; //total size of delayed packets char *vdepath[2]; //path of the directly connected switched (via vde_plug) VDECONN *vdeplug[2]; //vde_plug connections (if NULL stdin/stdout) int daemonize; // daemon mode static int logok=0; static char *rcfile; static char *pidfile = NULL; static char pidfile_path[PATH_MAX]; static int blinksock; static struct sockaddr_un blinksun; static char *blinkmsg; static char blinkidlen; static void printoutc(int fd, const char *format, ...); /* markov node mgmt */ static inline struct markov_node *markov_node_new(void) { return calloc(1,sizeof(struct markov_node)); } static inline void markov_node_free(struct markov_node *old) { free(old); } static void markov_compute(i) { int j; ADJMAP(i,i)=100.0; for (j=1;jmarkov_numnodes) { markov_nodes=realloc(markov_nodes,numnodes*(sizeof(struct markov_node *))); for (i=markov_numnodes;i= numnodes) markov_current = 0; } copyadjmap(numnodes,newadjmap); if (adjmap) free(adjmap); adjmap=newadjmap; markov_numnodes=numnodes; } } static int markov_step(int i) { double num=drand48() * 100; int j,k=0; markov_next+=markov_time; for (j=0;j 0) { int fd=pfd[j].fd; if (fd == 0) fd=1; printoutc(fd,"%04d Node %d \"%s\" -> %d \"%s\"", 3800+k, i, WFNAME(i)?WFNAME(i):"", k, WFNAME(k)?WFNAME(k):""); } } } return k; } static int markovms(void) { if (markov_numnodes > 1) { struct timeval v; gettimeofday(&v,NULL); unsigned long long next=markov_next-(v.tv_sec*1000+v.tv_usec/1000); if (next < 0) next=0; return next; } else return -1; } static inline void markov_try(void) { if (markov_numnodes > 1) { struct timeval v; gettimeofday(&v,NULL); if ((markov_next-(v.tv_sec*1000+v.tv_usec/1000)) <= 0) markov_current=markov_step(markov_current); } } static void markov_start(void) { if (markov_numnodes > 1) { struct timeval v; gettimeofday(&v,NULL); markov_next=v.tv_sec*1000+v.tv_usec/1000; markov_current=markov_step(markov_current); } } #define BUFSIZE 2048 #define MAXCMD 128 #define MGMTMODEARG 129 #define DAEMONIZEARG 130 #define PIDFILEARG 131 #define LOGSOCKETARG 132 #define LOGIDARG 133 #define KILO (1<<10) #define MEGA (1<<20) #define GIGA (1<<30) static inline double max_wirevalue(int node,int tag, int dir) { return (WFVAL(node,tag,dir).value + WFVAL(node,tag,dir).plus); } static inline double min_wirevalue(int node,int tag, int dir) { return (WFVAL(node,tag,dir).value - WFVAL(node,tag,dir).plus); } static void initrand() { struct timeval v; gettimeofday(&v,NULL); srand48(v.tv_sec ^ v.tv_usec ^ getpid()); } /*more than 98% inside the bell */ #define SIGMA (1.0/3.0) static double compute_wirevalue(int tag, int dir) { struct wirevalue *wv=&WFVAL(markov_current,tag,dir); if (wv->plus == 0) return wv->value; switch (wv->alg) { case ALGO_UNIFORM: return wv->value+wv->plus*((drand48()*2.0)-1.0); case ALGO_GAUSS_NORMAL: { double x,y,r2; do { x = (2*drand48())-1; y = (2*drand48())-1; r2=x*x+y*y; } while (r2 >= 1.0); return wv->value+wv->plus* SIGMA * x * sqrt ( (-2 * log(r2)) /r2); } default: return 0.0; } } void printlog(int priority, const char *format, ...) { va_list arg; va_start (arg, format); if (logok) vsyslog(priority,format,arg); else { fprintf(stderr,"%s: ",progname); vfprintf(stderr,format,arg); fprintf(stderr,"\n"); } va_end (arg); } static int read_wirevalue(char *s, int tag) { struct wirevalue *wv; int markov_node=0; double v=0.0; double vplus=0.0; int n; int mult; char algo=ALGO_UNIFORM; n=strlen(s)-1; while ((s[n] == ' ' || s[n] == '\n' || s[n] == '\t') && n>0) s[n--]=0; if (s[n]==']') { char *idstr=&s[n]; s[n--] = 0; while(s[n]!='[' && n>1) idstr = &s[n--]; s[n--] = 0; sscanf(idstr,"%d",&markov_node); if (markov_node < 0 || markov_node >= markov_numnodes) return EINVAL; } wv=WFADDR(markov_node,tag); switch (s[n]) { case 'u': case 'U': algo=ALGO_UNIFORM; n--; break; case 'n': case 'N': algo=ALGO_GAUSS_NORMAL; n--; break; } switch (s[n]) { case 'k': case 'K': mult=KILO; break; case 'm': case 'M': mult=MEGA; break; case 'g': case 'G': mult=GIGA; break; default: mult=1; break; } if ((n=sscanf(s,"%lf+%lf",&v,&vplus)) > 0) { wv[LR].value=wv[RL].value=v*mult; wv[LR].plus=wv[RL].plus=vplus*mult; wv[LR].alg=wv[RL].alg=algo; } else if ((n=sscanf(s,"LR%lf+%lf",&v,&vplus)) > 0) { wv[LR].value=v*mult; wv[LR].plus=vplus*mult; wv[LR].alg=algo; } else if ((n=sscanf(s,"RL%lf+%lf",&v,&vplus)) > 0) { wv[RL].value=v*mult; wv[RL].plus=vplus*mult; wv[RL].alg=algo; } return 0; } struct packpq { unsigned long long when; unsigned int counter; int dir; unsigned char *buf; int size; }; struct packpq **pqh; struct packpq sentinel={0,0,0,NULL,0}; int npq,maxpq; unsigned long long maxwhen; unsigned int counter; #define PQCHUNK 100 static unsigned long long nextms() { if (npq>0) { unsigned long long now=0; struct timeval v; gettimeofday(&v,NULL); now = (unsigned long long) v.tv_sec*1000+v.tv_usec/1000; if (pqh[1]->when > now) return pqh[1]->when - now; else return 0; } return -1; } static inline int outpacket(int dir,const unsigned char *buf,int size) { if (blinksock) { snprintf(blinkmsg+blinkidlen,20,"%s %d\n", (ndirs==2)?((dir==0)?"LR":"RL"):"--", size); sendto(blinksock,blinkmsg,strlen(blinkmsg+blinkidlen)+blinkidlen,0, (struct sockaddr *)&blinksun, sizeof(blinksun)); } if (vdeplug[1-dir]) return vde_send(vdeplug[1-dir],buf+2,size-2,0); else return write(outfd[dir],buf,size); } int writepacket(int dir,const unsigned char *buf,int size) { /* NOISE */ if (max_wirevalue(markov_current,NOISE,dir) > 0) { double noiseval=compute_wirevalue(NOISE,dir); int nobit=0; while ((drand48()*8*MEGA) < (size-2)*8*noiseval) nobit++; if (nobit>0) { unsigned char noisedpacket[BUFSIZE]; memcpy(noisedpacket,buf,size); while(nobit>0) { int flippedbit=(drand48()*size*8); noisedpacket[(flippedbit >> 3) + 2] ^= 1<<(flippedbit & 0x7); nobit--; } return outpacket(dir,noisedpacket,size); } else return outpacket(dir,buf,size); } else return outpacket(dir,buf,size); } /* packet queues are priority queues implemented on a heap. * enqueue time = dequeue time = O(log n) max&mean */ /* the delay is evaluated in milliseconds, several packets can be scheduled at the same "when" time. Counter preserve the fifoness. */ static void packet_dequeue() { struct timeval v; gettimeofday(&v,NULL); unsigned long long now=(unsigned long long)v.tv_sec*1000+v.tv_usec/1000; /* the next packet (min time, min counter) is in the root of the packetqueue heap */ while (npq>0 && pqh[1]->when <= now) { struct packpq *old=pqh[npq--]; int k=1; delay_bufsize[pqh[1]->dir] -= pqh[1]->size; writepacket(pqh[1]->dir,pqh[1]->buf,pqh[1]->size); free(pqh[1]->buf); free(pqh[1]); /* rebuild the heap */ while (k<= npq>>1) { int j= k<<1; /* choose the min between pqh[2k] and pqh[2k+1] */ if (jwhen > pqh[j+1]->when || (pqh[j]->when == pqh[j+1]->when && pqh[j]->counter > pqh[j+1]->counter) ) ) j++; /* if old must be put here, okay else move the min up and continue the rebuilding phase */ if (old->when < pqh[j]->when || (old->when == pqh[j]->when && old->counter < pqh[j]->counter) ) break; else { pqh[k]=pqh[j];k=j; } } pqh[k]=old; } } static void packet_enqueue(int dir,const unsigned char *buf,int size,int delms) { struct timeval v; struct packpq *new=malloc(sizeof(struct packpq)); if (new==NULL) { printlog(LOG_WARNING,"malloc elem %s",strerror(errno)); exit (1); } gettimeofday(&v,NULL); new->when= ((unsigned long long)v.tv_sec * 1000 + v.tv_usec/1000) + delms; if (new->when > maxwhen) { maxwhen=new->when; counter=0; } if (!nofifo && new->when <= maxwhen) { new->when=maxwhen; counter++; } new->counter=counter; new->dir=dir; new->buf=malloc(size); if (new->buf==NULL) { printlog(LOG_WARNING,"malloc elem buf %s",strerror(errno)); exit (1); } memcpy(new->buf,buf,size); new->size=size; delay_bufsize[dir]+=size; if (pqh==NULL) { pqh=malloc(PQCHUNK*sizeof(struct packpq *)); if (pqh==NULL) { printlog(LOG_WARNING,"malloc %s",strerror(errno)); exit (1); } pqh[0]=&sentinel; maxpq=PQCHUNK; } if (npq >= maxpq) { pqh=realloc(pqh,(maxpq=maxpq+PQCHUNK) * sizeof(struct packpq *)); if (pqh==NULL) { printlog(LOG_WARNING,"malloc %s",strerror(errno)); exit (1); } } { int k=++npq; /* add the new element to the heap */ while (new->when < pqh[k>>1]->when || (new->when == pqh[k>>1]->when && new->counter < pqh[k>>1]->counter)) { pqh[k]=pqh[k>>1]; k >>= 1; } pqh[k]=new; } } void handle_packet(int dir,const unsigned char *buf,int size) { /* MTU */ /* if the packet is incosistent with the MTU of the line just drop it */ if (min_wirevalue(markov_current,MTU,dir) > 0 && size > min_wirevalue(markov_current,MTU,dir)) return; /* LOSS */ /* Total packet loss */ if (min_wirevalue(markov_current,LOSS,dir) >= 100.0) return; /* probabilistic loss */ if (max_wirevalue(markov_current,LOSTBURST,dir) > 0) { /* Gilbert model */ double losval=compute_wirevalue(LOSS,dir)/100; double burstlen=compute_wirevalue(LOSTBURST,dir); double alpha=losval / (burstlen*(1-losval)); double beta=1.0 / burstlen; switch (loss_status[dir]) { case OK_BURST: if (drand48() < alpha) loss_status[dir]=FAULTY_BURST; break; case FAULTY_BURST: if (drand48() < beta) loss_status[dir]=OK_BURST; break; } if (loss_status[dir] != OK_BURST) return; } else { loss_status[dir] = OK_BURST; if (max_wirevalue(markov_current,LOSS,dir) > 0) { /* standard non bursty model */ double losval=compute_wirevalue(LOSS,dir)/100; if (drand48() < losval) return; } } /* DUP */ /* times is the number of dup packets */ int times=1; if (max_wirevalue(markov_current,DDUP,dir) > 0) { double dupval=compute_wirevalue(DDUP,dir)/100; while (drand48() < dupval) times++; } while (times>0) { int banddelay=0; /* CHANBUFSIZE */ /* when bandwidth is limited, packets exceeding channel bufsize are discarded */ if (max_wirevalue(markov_current,CHANBUFSIZE,dir) > 0) { double capval=compute_wirevalue(CHANBUFSIZE,dir); if ((delay_bufsize[dir]+size) > capval) return; } /* SPEED */ /* speed limit, if packets arrive too fast, delay the sender */ if (max_wirevalue(markov_current,SPEED,dir) > 0) { double speedval=compute_wirevalue(SPEED,dir); if (speedval<=0) return; if (speedval>0) { unsigned int commtime=((unsigned)size)*1000000/((unsigned int)speedval); struct timeval tv; gettimeofday(&tv,NULL); banddelay=commtime/1000; if (timercmp(&tv,&nextspeed[dir], > )) nextspeed[dir]=tv; nextspeed[dir].tv_usec += commtime; nextspeed[dir].tv_sec += nextspeed[dir].tv_usec / 1000000; nextspeed[dir].tv_usec %= 1000000; } } /* BANDWIDTH */ /* band, when band overflows, delay just the delivery */ if (max_wirevalue(markov_current,BAND,dir) > 0) { double bandval=compute_wirevalue(BAND,dir); if (bandval<=0) return; if (bandval >0) { unsigned int commtime=((unsigned)size)*1000000/((unsigned int)bandval); struct timeval tv; gettimeofday(&tv,NULL); if (timercmp(&tv,&nextband[dir], > )) { nextband[dir]=tv; banddelay=commtime/1000; } else { timersub(&nextband[dir],&tv,&tv); banddelay=tv.tv_sec*1000 + (tv.tv_usec + commtime)/1000; } nextband[dir].tv_usec += commtime; nextband[dir].tv_sec += nextband[dir].tv_usec / 1000000; nextband[dir].tv_usec %= 1000000; } else banddelay=-1; } /* DELAY */ /* line delay */ if (banddelay >= 0) { if (banddelay > 0 || max_wirevalue(markov_current,DELAY,dir) > 0) { double delval=compute_wirevalue(DELAY,dir); delval=(delval >= 0)?delval+banddelay:banddelay; if (delval > 0) { packet_enqueue(dir,buf,size,(int) delval); } else writepacket(dir,buf,size); } else writepacket(dir,buf,size); } times--; } } #define MIN(X,Y) (((X)<(Y))?(X):(Y)) static void splitpacket(const unsigned char *buf,int size,int dir) { static unsigned char fragment[BUFSIZE][2]; static unsigned char *fragp[2]; static unsigned int rnx[2],remaining[2]; //fprintf(stderr,"%s: splitpacket rnx=%d remaining=%d size=%d\n",progname,rnx[dir],remaining[dir],size); if (size==0) return; if (rnx[dir]>0) { int amount=MIN(remaining[dir],size); //fprintf(stderr,"%s: fragment amount %d\n",progname,amount); memcpy(fragp[dir],buf,amount); remaining[dir]-=amount; fragp[dir]+=amount; buf+=amount; size-=amount; if (remaining[dir]==0) { //fprintf(stderr,"%s: delivered defrag %d\n",progname,rnx[dir]); handle_packet(dir,fragment[dir],rnx[dir]+2); rnx[dir]=0; } } while (size > 0) { rnx[dir]=(buf[0]<<8)+buf[1]; //fprintf(stderr,"%s: packet %d size %d %x %x dir %d\n",progname,rnx[dir],size-2,buf[0],buf[1],dir); if (rnx[dir]>1521) { printlog(LOG_WARNING,"Packet length error size %d rnx %d",size,rnx[dir]); rnx[dir]=0; return; } if (rnx[dir]+2 > size) { //fprintf(stderr,"%s: begin defrag %d\n",progname,rnx[dir]); fragp[dir]=fragment[dir]; memcpy(fragp[dir],buf,size); remaining[dir]=rnx[dir]+2-size; fragp[dir]+=size; size=0; } else { handle_packet(dir,buf,rnx[dir]+2); buf+=rnx[dir]+2; size-=rnx[dir]+2; rnx[dir]=0; } } } static void packet_in(int dir) { unsigned char buf[BUFSIZE]; int n; if(vdeplug[dir]) { n=vde_recv(vdeplug[dir],buf+2,BUFSIZE-2,0); buf[0]=n>>8; buf[1]=n&0xFF; handle_packet(dir,buf,n+2); } else { n=read(pfd[dir].fd,buf,BUFSIZE); if (n == 0) exit (0); splitpacket(buf,n,dir); } } static int check_open_fifos_n_plugs(struct pollfd *pfd,int *outfd,char *vdepath[],VDECONN *vdeplug[]) { int ndirs=0; struct stat stfd[NPIPES]; char *env_in; char *env_out; env_in=getenv("ALTERNATE_STDIN"); env_out=getenv("ALTERNATE_STDOUT"); if (env_in != NULL) alternate_stdin=atoi(env_in); if (env_out != NULL) alternate_stdout=atoi(env_out); if (vdepath[0]) { // -v selected if (strcmp(vdepath[0],"-") != 0) { if((vdeplug[LR]=vde_open(vdepath[0],"vde_crosscable",NULL))==NULL){ fprintf(stderr,"vdeplug %s: %s\n",vdepath[0],strerror(errno)); return -1; } pfd[0].fd=vde_datafd(vdeplug[LR]); pfd[0].events=POLLIN | POLLHUP; } if (strcmp(vdepath[1],"-") != 0) { if((vdeplug[RL]=vde_open(vdepath[1],"vde_crosscable",NULL))==NULL){ fprintf(stderr,"vdeplug %s: %s\n",vdepath[1],strerror(errno)); return -1; } pfd[1].fd=vde_datafd(vdeplug[RL]); pfd[1].events=POLLIN | POLLHUP; } ndirs=2; } if (vdeplug[LR] == NULL || vdeplug[RL] == NULL) { if (fstat(STDIN_FILENO,&stfd[STDIN_FILENO]) < 0) { fprintf(stderr,"%s: Error on stdin: %s\n",progname,strerror(errno)); return -1; } if (fstat(STDOUT_FILENO,&stfd[STDOUT_FILENO]) < 0) { fprintf(stderr,"%s: Error on stdout: %s\n",progname,strerror(errno)); return -1; } if (!S_ISFIFO(stfd[STDIN_FILENO].st_mode)) { fprintf(stderr,"%s: Error on stdin: %s\n",progname,"it is not a pipe"); return -1; } if (!S_ISFIFO(stfd[STDOUT_FILENO].st_mode)) { fprintf(stderr,"%s: Error on stdin: %s\n",progname,"it is not a pipe"); return -1; } if (vdeplug[RL] != NULL) { /* -v -:xxx */ pfd[0].fd=STDIN_FILENO; pfd[0].events=POLLIN | POLLHUP; outfd[1]=STDOUT_FILENO; } else if (vdeplug[LR] != NULL) { /* -v xxx:- */ pfd[1].fd=STDIN_FILENO; pfd[1].events=POLLIN | POLLHUP; outfd[0]=STDOUT_FILENO; } else if (env_in == NULL || fstat(alternate_stdin,&stfd[0]) < 0) { ndirs=1; pfd[0].fd=STDIN_FILENO; pfd[0].events=POLLIN | POLLHUP; outfd[0]=STDOUT_FILENO; } else { if (fstat(outfd[1],&stfd[1]) < 0) { fprintf(stderr,"%s: Error on secondary out: %s\n",progname,strerror(errno)); return -1; } if (!S_ISFIFO(stfd[0].st_mode)) { fprintf(stderr,"%s: Error on secondary in: %s\n",progname,"it is not a pipe"); return -1; } if (!S_ISFIFO(stfd[1].st_mode)) { fprintf(stderr,"%s: Error on secondary out: %s\n",progname,"it is not a pipe"); return -1; } ndirs=2; pfd[LR].fd=STDIN_FILENO; pfd[LR].events=POLLIN | POLLHUP; outfd[LR]=alternate_stdout; pfd[RL].fd=alternate_stdin; pfd[RL].events=POLLIN | POLLHUP; outfd[RL]=STDOUT_FILENO; } } return ndirs; } static void save_pidfile() { if(pidfile[0] != '/') strncat(pidfile_path, pidfile, PATH_MAX - strlen(pidfile_path) - 1); else strncpy(pidfile_path, pidfile, PATH_MAX - 1); int fd = open(pidfile_path, O_WRONLY | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); FILE *f; if(fd == -1) { printlog(LOG_ERR, "Error in pidfile creation: %s", strerror(errno)); exit(1); } if((f = fdopen(fd, "w")) == NULL) { printlog(LOG_ERR, "Error in FILE* construction: %s", strerror(errno)); exit(1); } if(fprintf(f, "%ld\n", (long int)getpid()) <= 0) { printlog(LOG_ERR, "Error in writing pidfile"); exit(1); } fclose(f); } static void cleanup(void) { if((pidfile != NULL) && unlink(pidfile_path) < 0) { printlog(LOG_WARNING,"Couldn't remove pidfile '%s': %s", pidfile, strerror(errno)); } if (vdeplug[LR]) vde_close(vdeplug[LR]); if (vdeplug[RL]) vde_close(vdeplug[RL]); if (mgmt) unlink(mgmt); } static void sig_handler(int sig) { /*fprintf(stderr,"Caught signal %d, cleaning up and exiting", sig);*/ cleanup(); signal(sig, SIG_DFL); if (sig == SIGTERM) _exit(0); else kill(getpid(), sig); } static void setsighandlers() { /* setting signal handlers. * * * sets clean termination for SIGHUP, SIGINT and SIGTERM, and simply * * * ignores all the others signals which could cause termination. */ struct { int sig; const char *name; int ignore; } signals[] = { { SIGHUP, "SIGHUP", 0 }, { SIGINT, "SIGINT", 0 }, { SIGPIPE, "SIGPIPE", 1 }, { SIGALRM, "SIGALRM", 1 }, { SIGTERM, "SIGTERM", 0 }, { SIGUSR1, "SIGUSR1", 1 }, { SIGUSR2, "SIGUSR2", 1 }, { SIGPROF, "SIGPROF", 1 }, { SIGVTALRM, "SIGVTALRM", 1 }, #ifdef VDE_LINUX { SIGPOLL, "SIGPOLL", 1 }, #ifdef SIGSTKFLT { SIGSTKFLT, "SIGSTKFLT", 1 }, #endif { SIGIO, "SIGIO", 1 }, { SIGPWR, "SIGPWR", 1 }, #ifdef SIGUNUSED { SIGUNUSED, "SIGUNUSED", 1 }, #endif #endif #ifdef VDE_DARWIN { SIGXCPU, "SIGXCPU", 1 }, { SIGXFSZ, "SIGXFSZ", 1 }, #endif { 0, NULL, 0 } }; int i; for(i = 0; signals[i].sig != 0; i++) if(signal(signals[i].sig, signals[i].ignore ? SIG_IGN : sig_handler) < 0) fprintf(stderr,"%s: Setting handler for %s: %s", progname, signals[i].name, strerror(errno)); } static int openmgmt(char *mgmt) { int mgmtconnfd; struct sockaddr_un sun; int one = 1; if((mgmtconnfd = socket(PF_UNIX, SOCK_STREAM, 0)) < 0){ fprintf(stderr,"%s: mgmt socket: %s",progname,strerror(errno)); exit(1); } if(setsockopt(mgmtconnfd, SOL_SOCKET, SO_REUSEADDR, (char *) &one, sizeof(one)) < 0){ fprintf(stderr,"%s: mgmt setsockopt: %s",progname,strerror(errno)); exit(1); } if(fcntl(mgmtconnfd, F_SETFL, O_NONBLOCK) < 0){ fprintf(stderr,"%s: Setting O_NONBLOCK on mgmt fd: %s",progname,strerror(errno)); exit(1); } sun.sun_family = PF_UNIX; snprintf(sun.sun_path,sizeof(sun.sun_path),"%s",mgmt); if(bind(mgmtconnfd, (struct sockaddr *) &sun, sizeof(sun)) < 0){ fprintf(stderr,"%s: mgmt bind %s",progname,strerror(errno)); exit(1); } chmod(sun.sun_path,mgmtmode); if(listen(mgmtconnfd, 15) < 0){ fprintf(stderr,"%s: mgmt listen: %s",progname,strerror(errno)); exit(1); } return mgmtconnfd; } static char header[]="\nVDE wirefilter V.%s\n(C) R.Davoli 2005,2006 - GPLv2\n"; static char prompt[]="\nVDEwf$ "; static int newmgmtconn(int fd,struct pollfd *pfd,int nfds) { int new; unsigned int len; char buf[MAXCMD]; struct sockaddr addr; new = accept(fd, &addr, &len); if(new < 0){ printlog(LOG_WARNING,"mgmt accept %s",strerror(errno)); return nfds; } if (nfds < NPFD) { snprintf(buf,MAXCMD,header,PACKAGE_VERSION); write(new,buf,strlen(buf)); write(new,prompt,strlen(prompt)); pfd[nfds].fd=new; pfd[nfds].events=POLLIN | POLLHUP; debuglevel[nfds]=0; return ++nfds; } else { printlog(LOG_WARNING,"too many mgmt connections"); close (new); return nfds; } } static void printoutc(int fd, const char *format, ...) { va_list arg; char outbuf[MAXCMD+1]; va_start (arg, format); vsnprintf(outbuf,MAXCMD,format,arg); strcat(outbuf,"\n"); write(fd,outbuf,strlen(outbuf)); } static int setdelay(int fd,char *s) { return read_wirevalue(s,DELAY); } static int setloss(int fd,char *s) { return read_wirevalue(s,LOSS); } static int setlostburst(int fd,char *s) { return read_wirevalue(s,LOSTBURST); } static int setddup(int fd,char *s) { return read_wirevalue(s,DDUP); } static int setband(int fd,char *s) { return read_wirevalue(s,BAND); } static int setnoise(int fd,char *s) { return read_wirevalue(s,NOISE); } static int setmtu(int fd,char *s) { return read_wirevalue(s,MTU); } static int setspeed(int fd,char *s) { return read_wirevalue(s,SPEED); } static int setchanbufsize(int fd,char *s) { return read_wirevalue(s,CHANBUFSIZE); } static int setfifo(int fd,char *s) { int n=atoi(s); if (n==0) nofifo=1; else nofifo=0; return 0; } static int setmarkov_resize(int fd,char *s) { int n=atoi(s); if (n>0) { markov_resize(n); markov_start(); return 0; } else return EINVAL; } static int setedge(int fd,char *s) { int x,y; double weight; sscanf(s,"%d,%d,%lg",&x,&y,&weight); if (x>=0 && x=0 && y 0) { markov_time=newvalue; markov_start(); return 0; } else return EINVAL; } static int setmarkov_node(int fd,char *s) { int n=atoi(s); if (n>=0 && n= 0 && n>=0) { int i; if (fd==1) fd=0; for (i=0;i=0 && nvalue,(X)->plus,(charalgo[(int)((X)->alg)]) #define WIREVALUE_FIELDS(N,T,D) WIREVALUE_X_FIELDS(WFADDR(N,T)+D) static int showinfo(int fd,char *s) { int node=0; if (*s != 0) node=atoi(s); else node=markov_current; if (node >= markov_numnodes || node < 0) return EINVAL; printoutc(fd, "WireFilter: %sdirectional",(ndirs==2)?"bi":"mono"); if (markov_numnodes > 1) { printoutc(fd, "Node %d \"%s\" (0,..,%d) Markov-time %lg",node, WFNAME(node)?WFNAME(node):"",markov_numnodes-1,markov_time); } if (ndirs==2) { printoutc(fd, "Loss L->R %g+%g%c R->L %g+%g%c", WIREVALUE_FIELDS(node,LOSS,LR), WIREVALUE_FIELDS(node,LOSS,RL)); printoutc(fd, "Lburst L->R %g+%g%c R->L %g+%g%c", WIREVALUE_FIELDS(node,LOSTBURST,LR), WIREVALUE_FIELDS(node,LOSTBURST,RL)); printoutc(fd, "Delay L->R %g+%g%c R->L %g+%g%c", WIREVALUE_FIELDS(node,DELAY,LR), WIREVALUE_FIELDS(node,DELAY,RL)); printoutc(fd, "Dup L->R %g+%g%c R->L %g+%g%c", WIREVALUE_FIELDS(node,DDUP,LR), WIREVALUE_FIELDS(node,DDUP,RL)); printoutc(fd, "Bandw L->R %g+%g%c R->L %g+%g%c", WIREVALUE_FIELDS(node,BAND,LR), WIREVALUE_FIELDS(node,BAND,RL)); printoutc(fd, "Speed L->R %g+%g%c R->L %g+%g%c", WIREVALUE_FIELDS(node,SPEED,LR), WIREVALUE_FIELDS(node,SPEED,RL)); printoutc(fd, "Noise L->R %g+%g%c R->L %g+%g%c", WIREVALUE_FIELDS(node,NOISE,LR), WIREVALUE_FIELDS(node,NOISE,RL)); printoutc(fd, "MTU L->R %g R->L %g ", min_wirevalue(node,MTU,LR), min_wirevalue(node,MTU,RL)); printoutc(fd, "Cap. L->R %g+%g%c R->L %g+%g%c", WIREVALUE_FIELDS(node,CHANBUFSIZE,LR), WIREVALUE_FIELDS(node,CHANBUFSIZE,RL)); printoutc(fd, "Current Delay Queue size: L->R %d R->L %d ",delay_bufsize[LR],delay_bufsize[RL]); } else { printoutc(fd, "Loss %g+%g%c", WIREVALUE_FIELDS(node,LOSS,0)); printoutc(fd, "Lburst %g+%g%c", WIREVALUE_FIELDS(node,LOSTBURST,0)); printoutc(fd, "Delay %g+%g%c", WIREVALUE_FIELDS(node,DELAY,0)); printoutc(fd, "Dup %g+%g%c", WIREVALUE_FIELDS(node,DDUP,0)); printoutc(fd, "Bandw %g+%g%c", WIREVALUE_FIELDS(node,BAND,0)); printoutc(fd, "Speed %g+%g%c", WIREVALUE_FIELDS(node,SPEED,0)); printoutc(fd, "Noise %g+%g%c", WIREVALUE_FIELDS(node,NOISE,0)); printoutc(fd, "MTU %g", min_wirevalue(node,MTU,0)); printoutc(fd, "Cap. %g+%g%c", WIREVALUE_FIELDS(node,CHANBUFSIZE,0)); printoutc(fd, "Current Delay Queue size: %d",delay_bufsize[0]); } printoutc(fd,"Fifoness %s",(nofifo == 0)?"TRUE":"FALSE"); printoutc(fd,"Waiting packets in delay queues %d",npq); if (blinksock) { blinkmsg[(int)blinkidlen]=0; printoutc(fd,"Blink socket: %s",blinksun.sun_path); printoutc(fd,"Blink id: %s",blinkmsg); } return 0; } static int showedges(int fd,char *s) { int node=0; int j; if (*s != 0) node=atoi(s); else node=markov_current; if (node >= markov_numnodes || node < 0) return EINVAL; for (j=0;j%-2d \"%s\"->\"%s\" weigth %lg",node,j, WFNAME(node)?WFNAME(node):"", WFNAME(j)?WFNAME(j):"", ADJMAP(node,j)); return 0; } static int runscript(int fd,char *path); #define WITHFILE 0x80 static struct comlist { char *tag; int (*fun)(int fd,char *arg); unsigned char type; } commandlist [] = { {"help", help, WITHFILE}, {"showinfo",showinfo, WITHFILE}, {"load",runscript,WITHFILE}, {"delay",setdelay, 0}, {"loss",setloss, 0}, {"lostburst",setlostburst, 0}, {"dup",setddup, 0}, {"bandwidth",setband, 0}, {"band",setband, 0}, {"speed",setspeed, 0}, {"chanbufsize",setchanbufsize, 0}, {"capacity",setchanbufsize, 0}, {"noise",setnoise, 0}, {"mtu",setmtu, 0}, {"fifo",setfifo, 0}, {"markov-numnodes",setmarkov_resize, 0}, {"markov-setnode",setmarkov_node, 0}, {"markov-name",setmarkov_name, 0}, {"markov-time",setmarkov_time, 0}, {"setedge",setedge, 0}, {"showedges",showedges, WITHFILE}, {"showcurrent",showcurrent, WITHFILE}, {"markov-debug",setmarkov_debug, 0}, {"logout",logout, 0}, {"shutdown",doshutdown, 0} }; #define NCL sizeof(commandlist)/sizeof(struct comlist) static inline void delnl(char *buf) { int len=strlen(buf)-1; while (len>0 && (buf[len]=='\n' || buf[len]==' ' || buf[len]=='\t')) { buf[len]=0; len--; } } static int handle_cmd(int fd,char *inbuf) { int rv=ENOSYS; int i; char *cmd=inbuf; while (*inbuf == ' ' || *inbuf == '\t' || *inbuf == '\n') inbuf++; delnl(inbuf); if (*inbuf != '\0' && *inbuf != '#') { for (i=0; i=0 && commandlist[i].type & WITHFILE) printoutc(fd,"0000 DATA END WITH '.'"); rv=commandlist[i].fun(fd,inbuf); if (fd>=0 && commandlist[i].type & WITHFILE) printoutc(fd,"."); } if (fd >= 0) { if (rv == 0) { printoutc(fd,"1000 Success"); } else { printoutc(fd,"1%03d %s",rv,strerror(rv)); } } else if (rv != 0) { printlog(LOG_ERR,"rc command error: %s %s",cmd,strerror(rv)); } return rv; } return rv; } static int runscript(int fd,char *path) { FILE *f=fopen(path,"r"); char buf[MAXCMD]; if (f==NULL) return errno; else { while (fgets(buf,MAXCMD,f) != NULL) { delnl(buf); if (fd >= 0) { printoutc(fd,"%s (%s) %s",prompt,path,buf); } handle_cmd(fd, buf); } fclose(f); return 0; } } static int mgmtcommand(int fd) { char buf[MAXCMD+1]; int n,rv; int outfd=fd; n = read(fd, buf, MAXCMD); if (n<0) { printlog(LOG_WARNING,"read from mgmt %s",strerror(errno)); return 0; } else if (n==0) return -1; else { if (fd==STDIN_FILENO) outfd=STDOUT_FILENO; buf[n]=0; rv=handle_cmd(outfd,buf); if (rv>=0) write(outfd,prompt,strlen(prompt)); return rv; } } static int delmgmtconn(int i,struct pollfd *pfd,int nfds) { if (i1 mgmt open conn (mgmtindex==ndirs==1) * bidir on streams: 0 input LR, 1 input RL, 2 mgmtctl, >2 mgmt open conn (mgmtindex==ndirs==2) * vdeplug xx:xx : 0 input LR, 1 input RL, 2&3 ctlfd, 4 mgmtctl, > 4 mgmt open conn (mgmtindex>ndirs==2) 5 is console * vdeplug xx:xx : 0 input LR, 1 input RL, 2&3 ctlfd, 4 console (if not -M) * vdeplug -:xx : 0 input LR(stdin), 1 input RL, 2 ctlfd, 3 mgmtctl, > 3 mgmt open conn (mgmtindex>ndirs==2) * vdeplug xx:- : 0 input LR, 1 input RL(stdin), 2 ctlfd, 3 mgmtctl, > 3 mgmt open conn (mgmtindex>ndirs==2) */ ndirs=check_open_fifos_n_plugs(pfd,outfd,vdepath,vdeplug); if (ndirs < 0) usage(); npfd=ndirs; if (rcfile) runscript(-1,rcfile); if (vdeplug[LR]) { pfd[npfd].fd=vde_ctlfd(vdeplug[LR]); pfd[npfd].events=POLLIN | POLLHUP; npfd++; } if (vdeplug[RL]) { pfd[npfd].fd=vde_ctlfd(vdeplug[RL]); pfd[npfd].events=POLLIN | POLLHUP; npfd++; } if(mgmt != NULL) { int mgmtfd=openmgmt(mgmt); mgmtindex=npfd; pfd[mgmtindex].fd=mgmtfd; pfd[mgmtindex].events=POLLIN | POLLHUP; npfd++; } if (daemonize) { openlog(progname, LOG_PID, 0); logok=1; } else if (vdeplug[LR] && vdeplug[RL]) { // console mode consoleindex=npfd; pfd[npfd].fd=STDIN_FILENO; pfd[npfd].events=POLLIN | POLLHUP; npfd++; } /* saves current path in pidfile_path, because otherwise with daemonize() we * forget it */ if(getcwd(pidfile_path, PATH_MAX-2) == NULL) { printlog(LOG_ERR, "getcwd: %s", strerror(errno)); exit(1); } strcat(pidfile_path, "/"); if (daemonize && daemon(0, 0)) { printlog(LOG_ERR,"daemon: %s",strerror(errno)); exit(1); } /* once here, we're sure we're the true process which will continue as a * server: save PID file if needed */ if(pidfile) save_pidfile(); if (vdepath[LR]) printlog(LOG_INFO,"bidirectional vdeplug filter L=%s R=%s starting...", (*vdepath[LR])?vdepath[LR]:"DEFAULT_SWITCH", (*vdepath[RL])?vdepath[RL]:"DEFAULT_SWITCH"); else if (ndirs==2) printlog(LOG_INFO,"bidirectional filter starting..."); else printlog(LOG_INFO,"monodirectional filter starting..."); initrand(); while(1) { unsigned long long delay=nextms(); int markovdelay=markovms(); if (markovdelay >= 0 && (markovdelay < delay || delay < 0)) delay=markovdelay; pfd[0].events |= POLLIN; if (WFVAL(markov_current,SPEED,LR).value > 0) { struct timeval tv; int speeddelay; gettimeofday(&tv,NULL); if (timercmp(&tv, &nextspeed[LR], <)) { timersub(&nextspeed[LR],&tv,&tv); speeddelay=tv.tv_sec*1000 + tv.tv_usec/1000; if (speeddelay > 0) { pfd[0].events &= ~POLLIN; if (speeddelay < delay || delay < 0) delay=speeddelay; } } } if (ndirs > 1) { pfd[1].events |= POLLIN; if (WFVAL(markov_current,SPEED,RL).value > 0) { struct timeval tv; int speeddelay; if (timercmp(&tv, &nextspeed[RL], <)) { gettimeofday(&tv,NULL); timersub(&nextspeed[RL],&tv,&tv); speeddelay=tv.tv_sec*1000 + tv.tv_usec/1000; if (speeddelay > 0) { pfd[1].events &= ~POLLIN; if (speeddelay < delay || delay < 0) delay=speeddelay; } } } } n=poll(pfd,npfd,delay); if (pfd[0].revents & POLLHUP || (ndirs>1 && pfd[1].revents & POLLHUP)) exit(0); if (pfd[0].revents & POLLIN) { packet_in(LR); n--; } if (ndirs>1 && pfd[1].revents & POLLIN) { packet_in(RL); n--; } if (n>0) { // if there are already events to handle (performance: packet switching first) int mgmtfdstart=consoleindex; if (mgmtindex >= 0) mgmtfdstart=mgmtindex+1; if (mgmtfdstart >= 0 && npfd > mgmtfdstart) { int i; for (i=mgmtfdstart;i= 0) { if (pfd[mgmtindex].revents != 0) { npfd=newmgmtconn(pfd[mgmtindex].fd,pfd,npfd); n--; } } /* if (n>0) // if there are already pending events, it means that a ctlfd has hunged up exit(0);*/ } markov_try(); packet_dequeue(); } }