archivemount-0.8.5/0000775000175000017500000000000012544015633011236 500000000000000archivemount-0.8.5/depcomp0000755000175000017500000004271311313435151012532 00000000000000#! /bin/sh # depcomp - compile a program generating dependencies as side-effects scriptversion=2007-03-29.01 # Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007 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, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA # 02110-1301, USA. # 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 outputing dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit $? ;; -v | --v*) echo "depcomp $scriptversion" exit $? ;; esac if test -z "$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" # 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 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 $stat -eq 0; then : else rm -f "$tmpdepfile" exit $stat fi mv "$tmpdepfile" "$depfile" ;; gcc) ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz ## The second -e expression handles DOS-style file names with drive letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the `deleted header file' problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. tr ' ' ' ' < "$tmpdepfile" | ## 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. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. sed -e 's/^\\$//' -e '/^$/d' -e '/:$/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 $stat -eq 0; then : else rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files echo "$object : \\" > "$depfile" # Clip off the initial element (the dependent). Don't try to be # clever and replace this with sed code, as IRIX sed won't handle # lines with more than a fixed number of characters (4096 in # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; # the IRIX cc adds comments like `#:fec' to the end of the # dependency line. tr ' ' ' ' < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ tr ' ' ' ' >> $depfile echo >> $depfile # The second pass generates a dummy entry for each header file. tr ' ' ' ' < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ >> $depfile else # The sourcefile does not contain any dependencies, so just # store a dummy comment line, to avoid errors with the Makefile # "include basename.Plo" scheme. echo "#dummy" > "$depfile" fi rm -f "$tmpdepfile" ;; aix) # The C for AIX Compiler uses -M and outputs the dependencies # in a .u file. In older versions, this file always lives in the # current directory. Also, the AIX compiler puts `$object:' at the # start of each line; $object doesn't have directory information. # Version 6 uses the directory in both cases. dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` test "x$dir" = "x$object" && dir= base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` if test "$libtool" = yes; then tmpdepfile1=$dir$base.u tmpdepfile2=$base.u tmpdepfile3=$dir.libs/$base.u "$@" -Wc,-M else tmpdepfile1=$dir$base.u tmpdepfile2=$dir$base.u tmpdepfile3=$dir$base.u "$@" -M fi stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" do test -f "$tmpdepfile" && break done if test -f "$tmpdepfile"; then # Each line is of the form `foo.o: dependent.h'. # Do two passes, one to just change these to # `$object: dependent.h' and one to simply `dependent.h:'. sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" # That's a tab and a space in the []. sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" else # The sourcefile does not contain any dependencies, so just # store a dummy comment line, to avoid errors with the Makefile # "include basename.Plo" scheme. echo "#dummy" > "$depfile" fi rm -f "$tmpdepfile" ;; icc) # Intel's C compiler understands `-MD -MF file'. However on # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c # ICC 7.0 will fill foo.d with something like # foo.o: sub/foo.c # foo.o: sub/foo.h # which is wrong. We want: # sub/foo.o: sub/foo.c # sub/foo.o: sub/foo.h # sub/foo.c: # sub/foo.h: # ICC 7.1 will output # foo.o: sub/foo.c sub/foo.h # and will wrap long lines using \ : # foo.o: sub/foo.c ... \ # sub/foo.h ... \ # ... "$@" -MD -MF "$tmpdepfile" stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each line is of the form `foo.o: dependent.h', # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. # Do two passes, one to just change these to # `$object: dependent.h' and one to simply `dependent.h:'. sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" # Some versions of the HPUX 10.20 sed can't process this invocation # correctly. Breaking it into two sed invocations is a workaround. sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp2) # The "hp" stanza above does not work with aCC (C++) and HP's ia64 # compilers, which have integrated preprocessors. The correct option # to use with these is +Maked; it writes dependencies to a file named # 'foo.d', which lands next to the object file, wherever that # happens to be. # Much of this is similar to the tru64 case; see comments there. dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` test "x$dir" = "x$object" && dir= base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` if test "$libtool" = yes; then tmpdepfile1=$dir$base.d tmpdepfile2=$dir.libs/$base.d "$@" -Wc,+Maked else tmpdepfile1=$dir$base.d tmpdepfile2=$dir$base.d "$@" +Maked fi stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile1" "$tmpdepfile2" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" do test -f "$tmpdepfile" && break done if test -f "$tmpdepfile"; then sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile" # Add `dependent.h:' lines. sed -ne '2,${; s/^ *//; s/ \\*$//; s/$/:/; p;}' "$tmpdepfile" >> "$depfile" else echo "#dummy" > "$depfile" fi rm -f "$tmpdepfile" "$tmpdepfile2" ;; tru64) # The Tru64 compiler uses -MD to generate dependencies as a side # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put # dependencies in `foo.d' instead, so we check for that too. # Subdirectories are respected. dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` test "x$dir" = "x$object" && dir= base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` if test "$libtool" = yes; then # With Tru64 cc, shared objects can also be used to make a # static library. This mechanism is used in libtool 1.4 series to # handle both shared and static libraries in a single compilation. # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d. # # With libtool 1.5 this exception was removed, and libtool now # generates 2 separate objects for the 2 libraries. These two # compilations output dependencies in $dir.libs/$base.o.d and # in $dir$base.o.d. We have to check for both files, because # one of the two compilations can be disabled. We should prefer # $dir$base.o.d over $dir.libs/$base.o.d because the latter is # automatically cleaned when .libs/ is deleted, while ignoring # the former would cause a distcleancheck panic. tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4 tmpdepfile2=$dir$base.o.d # libtool 1.5 tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5 tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504 "$@" -Wc,-MD else tmpdepfile1=$dir$base.o.d tmpdepfile2=$dir$base.d tmpdepfile3=$dir$base.d tmpdepfile4=$dir$base.d "$@" -MD fi stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" do test -f "$tmpdepfile" && break done if test -f "$tmpdepfile"; then sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" # That's a tab and a space in the []. sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" else echo "#dummy" > "$depfile" fi rm -f "$tmpdepfile" ;; #nosideeffect) # This comment above is used by automake to tell side-effect # dependency tracking mechanisms from slower ones. dashmstdout) # Important note: in order to support this mode, a compiler *must* # always write the preprocessed file to stdout, regardless of -o. "$@" || exit $? # Remove the call to Libtool. if test "$libtool" = yes; then while test $1 != '--mode=compile'; do shift done shift fi # Remove `-o $object'. IFS=" " for arg do case $arg in -o) shift ;; $object) shift ;; *) set fnord "$@" "$arg" shift # fnord shift # $arg ;; esac done test -z "$dashmflag" && dashmflag=-M # Require at least two characters before searching for `:' # in the target name. This is to cope with DOS-style filenames: # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. "$@" $dashmflag | sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" rm -f "$depfile" cat < "$tmpdepfile" > "$depfile" tr ' ' ' ' < "$tmpdepfile" | \ ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; dashXmstdout) # This case only exists to satisfy depend.m4. It is never actually # run, as this mode is specially recognized in the preamble. exit 1 ;; makedepend) "$@" || exit $? # Remove any Libtool call if test "$libtool" = yes; then while test $1 != '--mode=compile'; do shift done shift fi # X makedepend shift cleared=no for arg in "$@"; do case $cleared in no) set ""; shift cleared=yes ;; esac case "$arg" in -D*|-I*) set fnord "$@" "$arg"; shift ;; # Strip any option that makedepend may not understand. Remove # the object too, otherwise makedepend will parse it as a source file. -*|$object) ;; *) set fnord "$@" "$arg"; shift ;; esac done obj_suffix="`echo $object | sed 's/^.*\././'`" touch "$tmpdepfile" ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" rm -f "$depfile" cat < "$tmpdepfile" > "$depfile" sed '1,2d' "$tmpdepfile" | tr ' ' ' ' | \ ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" "$tmpdepfile".bak ;; cpp) # Important note: in order to support this mode, a compiler *must* # always write the preprocessed file to stdout. "$@" || exit $? # Remove the call to Libtool. if test "$libtool" = yes; then while test $1 != '--mode=compile'; do shift done shift fi # Remove `-o $object'. IFS=" " for arg do case $arg in -o) shift ;; $object) shift ;; *) set fnord "$@" "$arg" shift # fnord shift # $arg ;; esac done "$@" -E | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | sed '$ s: \\$::' > "$tmpdepfile" rm -f "$depfile" echo "$object : \\" > "$depfile" cat < "$tmpdepfile" >> "$depfile" sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; msvisualcpp) # Important note: in order to support this mode, a compiler *must* # always write the preprocessed file to stdout, regardless of -o, # because we must use -o when running libtool. "$@" || exit $? IFS=" " for arg do case "$arg" in "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") set fnord "$@" shift shift ;; *) set fnord "$@" "$arg" shift shift ;; esac done "$@" -E | sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" rm -f "$depfile" echo "$object : \\" > "$depfile" . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" echo " " >> "$depfile" . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" rm -f "$tmpdepfile" ;; none) exec "$@" ;; *) echo "Unknown depmode $depmode" 1>&2 exit 1 ;; esac exit 0 # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-end: "$" # End: archivemount-0.8.5/README0000644000175000017500000000462511411622061012032 00000000000000What is it ---------- Archivemount is a piece of glue code between libarchive (http://people.freebsd.org/~kientzle/libarchive/) and FUSE (http://fuse.sourceforge.net). It can be used to mount a (possibly compressed) archive (as in .tar.gz or .tar.bz2) and use it like an ordinary filesystem. Installation ------------ From version 0.6.0 on archivemount uses autoconf, so just do the normal ./configure && make && sudo make install to build archivemount and install it to /usr/local. For building it, libfuse is needed in version 2.6 or higher, including its headerfiles of course (on most distributions those can be found in a package named something like libfuse-dev or so). Usage ----- archivemount Options are the normal fuse mount options, nothing special supported yet. Write support ------------- Writing to an archive with libarchive is unfortunately not possible. In order to provide write support thus the whole archive has to be recreated; this requires two things: space and time. To optimize at least the timely behaviour, archives are recreated only once: at the time of unmount. If there are any problems creating the new archive - bad luck, the changes are lost. Some checks are run when mounting the archive to determine if it can be mounted writeable, but there is no guarantee. Also note that unmounting a fuse filesystem is NOT necessarily completed when the unmount command returns. Although unmounting takes a long time already, fuse backgrounds the process and lets the unmount command return early. You can check on the real state of unmounting by checking the process list for archivemount. THERE IS ALSO NO GUARANTEE THAT DATA IS WRITTEN CORRECTLY. DO NOT TRUST THIS SOFTWARE! A backup is made of the original archive (with .orig appended to the name), but please understand that I, the author of archivemount, do not guarantee anything at all about the state of your data and I am not responsible if you lose vital information by using this software. YOU HAVE BEEN WARNED! Archive formats --------------- A note about archive and compression formats: libarchive supports a lot more formats for reading than it does for writing. Archivemount tries to do a sensible conversion here when writing the changed archive because I think most people do not care a lot about the exact version of tar used inside the .tgz file as long as their favourite archive tool can still cope with the file. archivemount-0.8.5/install-sh0000755000175000017500000003246411313435150013162 00000000000000#!/bin/sh # install - install a program, script, or datafile scriptversion=2006-12-25.00 # 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. Environment variables override the default commands: CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG " while test $# -ne 0; do case $1 in -c) ;; -C) copy_on_change=true;; -d) dir_arg=true;; -g) chgrpcmd="$chgrpprog $2" shift;; --help) echo "$usage"; exit $?;; -m) mode=$2 case $mode in *' '* | *' '* | *' '* | *'*'* | *'?'* | *'['*) echo "$0: invalid mode: $mode" >&2 exit 1;; esac shift;; -o) chowncmd="$chownprog $2" shift;; -s) stripcmd=$stripprog;; -t) dst_arg=$2 shift;; -T) no_target_directory=true;; --version) echo "$0 $scriptversion"; exit $?;; --) shift break;; -*) echo "$0: invalid option: $1" >&2 exit 1;; *) break;; esac shift done if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then # When -d is used, all remaining arguments are directories to create. # When -t is used, the destination is already specified. # Otherwise, the last argument is the destination. 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Create the # directory the slow way, step by step, checking for races as we go. case $dstdir in /*) prefix='/';; -*) prefix='./';; *) prefix='';; esac eval "$initialize_posix_glob" oIFS=$IFS IFS=/ $posix_glob set -f set fnord $dstdir shift $posix_glob set +f IFS=$oIFS prefixes= for d do test -z "$d" && continue prefix=$prefix$d if test -d "$prefix"; then prefixes= else if $posix_mkdir; then (umask=$mkdir_umask && $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break # Don't fail if two instances are running concurrently. test -d "$prefix" || exit 1 else case $prefix in *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; *) qprefix=$prefix;; esac prefixes="$prefixes '$qprefix'" fi fi prefix=$prefix/ done if test -n "$prefixes"; then # Don't fail if two instances are running concurrently. (umask $mkdir_umask && eval "\$doit_exec \$mkdirprog $prefixes") || test -d "$dstdir" || exit 1 obsolete_mkdir_used=true fi fi fi if test -n "$dir_arg"; then { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 else # Make a couple of temp file names in the proper directory. dsttmp=$dstdir/_inst.$$_ rmtmp=$dstdir/_rm.$$_ # Trap to clean up those temp files at exit. trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 # Copy the file name to the temp name. (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && # and set any options; do chmod last to preserve setuid bits. # # If any of these fail, we abort the whole thing. If we want to # ignore errors from any of these, just make sure not to ignore # errors from the above "$doit $cpprog $src $dsttmp" command. # { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && # If -C, don't bother to copy if it wouldn't change the file. if $copy_on_change && old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && eval "$initialize_posix_glob" && $posix_glob set -f && set X $old && old=:$2:$4:$5:$6 && set X $new && new=:$2:$4:$5:$6 && $posix_glob set +f && test "$old" = "$new" && $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 then rm -f "$dsttmp" else # Rename the file to the real destination. $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || # The rename failed, perhaps because mv can't rename something else # to itself, or perhaps because mv is so ancient that it does not # support -f. { # Now remove or move aside any old file at destination location. # We try this two ways since rm can't unlink itself on some # systems and the destination file might be busy for other # reasons. In this case, the final cleanup might fail but the new # file should still install successfully. { test ! -f "$dst" || $doit $rmcmd -f "$dst" 2>/dev/null || { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } } || { echo "$0: cannot unlink or rename $dst" >&2 (exit 1); exit 1 } } && # Now rename the file to the real destination. $doit $mvcmd "$dsttmp" "$dst" } fi || exit 1 trap '' 0 fi done # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-end: "$" # End: archivemount-0.8.5/archivemount.c0000644000175000017500000021334212544015314014025 00000000000000/* Copyright (c) 2005-2010 Andre Landwehr This program can be distributed under the terms of the GNU LGPL. See the file COPYING. Based on: fusexmp.c and sshfs.c by Miklos Szeredi Contributions by: Niels de Vos Thomas J. Duck Andrew Brampton Tomáš Čech Timothy Hobbs Lee Leahu Alain Parmentier */ #ifdef linux /* For pread()/pwrite() */ #define _XOPEN_SOURCE 500 #endif #define FUSE_USE_VERSION 26 #define MAXBUF 4096 #include "config.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "uthash.h" /**********/ /* macros */ /**********/ #ifdef NDEBUG # define log(format, ...) #else # define log(format, ...) \ { \ FILE *FH = fopen( "/tmp/archivemount.log", "a" ); \ if( FH ) { \ fprintf( FH, "l. %4d: " format "\n", __LINE__, ##__VA_ARGS__ ); \ fclose( FH ); \ } \ } #endif /*******************/ /* data structures */ /*******************/ typedef struct node { struct node *parent; struct node *child; /* first child for directories */ char *name; /* fully qualified with prepended '/' */ char *basename; /* every after the last '/' */ char *location; /* location on disk for new/modified files, else NULL */ int namechanged; /* true when file was renamed */ struct archive_entry *entry; /* libarchive header data */ int modified; /* true when node was modified */ UT_hash_handle hh; } NODE; struct options { int readonly; int nobackup; int nosave; char *subtree_filter; int formatraw; }; typedef struct formatraw_cache { struct stat st; struct archive *archive; int opened; off_t offset_uncompressed; } FORMATRAW_CACHE; enum { KEY_VERSION, KEY_HELP, }; #define AR_OPT(t, p, v) { t, offsetof(struct options, p), v } static struct fuse_opt ar_opts[] = { AR_OPT("readonly", readonly, 1), AR_OPT("nobackup", nobackup, 1), AR_OPT("nosave" , nosave , 1), AR_OPT("subtree=%s", subtree_filter, 1), AR_OPT("formatraw", formatraw, 1), FUSE_OPT_KEY("-V", KEY_VERSION), FUSE_OPT_KEY("--version", KEY_VERSION), FUSE_OPT_KEY("-h", KEY_HELP), FUSE_OPT_KEY("--help", KEY_HELP), FUSE_OPT_END }; /***********/ /* globals */ /***********/ static int archiveFd; /* file descriptor of archive file, just to keep the beast alive in case somebody deletes the file while it is mounted */ static int archiveModified = 0; static int archiveWriteable = 0; static NODE *root; static FORMATRAW_CACHE *rawcache; struct options options; char *mtpt = NULL; char *archiveFile = NULL; pthread_mutex_t lock; /* global node tree lock */ /* Taken from the GNU under the GPL */ char * strchrnul (const char *s, int c_in) { char c = c_in; while (*s && (*s != c)) s++; return (char *) s; } /**********************/ /* internal functions */ /**********************/ static void usage( const char *progname ) { fprintf(stderr, "usage: %s archivepath mountpoint [options]\n" "\n" "general options:\n" " -o opt,[opt...] mount options\n" " -h --help print help\n" " -V --version print version\n" "\n" "archivemount options:\n" " -o readonly disable write support\n" " -o nobackup remove archive file backups\n" " -o nosave do not save changes upon unmount.\n" " Good if you want to change something\n" " and save it as a diff,\n" " or use a format for saving which is\n" " not supported by archivemount.\n" "\n" " -o subtree= use only subtree matching ^\\.\\? from archive\n" " it implies readonly\n" "\n" " -o formatraw treat input as a single element archive\n" " it implies readonly\n" "\n",progname); } static struct fuse_operations ar_oper; static int ar_opt_proc(void *data, const char *arg, int key, struct fuse_args *outargs) { (void) data; switch( key ) { case FUSE_OPT_KEY_OPT: return 1; case FUSE_OPT_KEY_NONOPT: if( !archiveFile ) { archiveFile = strdup(arg); return 0; } else if( !mtpt ) { mtpt = strdup(arg); } return 1; case KEY_HELP: usage(outargs->argv[0]); fuse_opt_add_arg(outargs, "-ho"); fuse_main( outargs->argc, outargs->argv, &ar_oper, NULL ); exit(1); case KEY_VERSION: fprintf( stderr, "archivemount version %s\n", VERSION ); fuse_opt_add_arg(outargs, "--version"); fuse_main( outargs->argc, outargs->argv, &ar_oper, NULL ); exit(0); default: fprintf(stderr, "internal error\n"); abort(); } } static NODE * init_node( ) { NODE *node; if( (node = malloc( sizeof( NODE ) ) ) == NULL ) { log( "Out of memory" ); return NULL; } node->parent = NULL; node->child = NULL; node->name = NULL; node->basename = NULL; node->location = NULL; node->namechanged = 0; node->entry = archive_entry_new(); node->modified = 0; memset(&node->hh, 0, sizeof(node->hh)); if ( node->entry == NULL ) { log( "Out of memory" ); free(node); return NULL; } return node; } static FORMATRAW_CACHE * init_rawcache( ) { FORMATRAW_CACHE *rawcache; if( (rawcache = malloc( sizeof( FORMATRAW_CACHE ) ) ) == NULL ) { log( "Out of memory" ); return NULL; } memset(&rawcache->st, 0, sizeof(rawcache->st)); memset(&rawcache->archive, 0, sizeof(rawcache->archive)); rawcache->opened=0; rawcache->offset_uncompressed=0; return rawcache; } static void free_node(NODE *node) { NODE *child, *tmp; free( node->name ); archive_entry_free(node->entry); // Clean up any children HASH_ITER(hh, node->child, child, tmp) { HASH_DEL(node->child, child); free_node(child); } free(node); } static void free_rawcache(FORMATRAW_CACHE *rawcache) { free(rawcache); } static void remove_child( NODE *node ) { if( node->parent ) { HASH_DEL( node->parent->child, node ); //log( "removed '%s' from parent '%s' (was first child)", node->name, node->parent->name ); } else { root = NULL; } } static void insert_as_child( NODE *node, NODE *parent ) { node->parent = parent; HASH_ADD_KEYPTR( hh, parent->child, node->basename, strlen(node->basename), node ); log( "inserted '%s' as child of '%s'", node->name, parent->name ); } /* * inserts "node" into tree starting at "root" according to the path * specified in node->name * @return 0 on success, 0-errno else (ENOENT or ENOTDIR) */ static int insert_by_path( NODE *root, NODE *node ) { char *temp; NODE *cur = root; char *key = node->name; key++; while( ( temp = strchr( key, '/' ) ) ) { size_t namlen = temp - key; char nam[namlen + 1]; NODE *last = cur; strncpy( nam, key, namlen ); nam[namlen] = '\0'; if( strcmp( cur->basename, nam ) != 0 ) { cur = cur->child; while( cur && strcmp( cur->basename, nam ) != 0 ) { cur = cur->hh.next; } } if( ! cur ) { /* parent path not found, create a temporary one */ NODE *tempnode; if ( (tempnode = init_node()) == NULL ) return -ENOMEM; if( ( tempnode->name = malloc( strlen( last->name ) + namlen + 2 ) ) == NULL ) { log( "Out of memory" ); return -ENOMEM; } if( last != root ) { sprintf( tempnode->name, "%s/%s", last->name, nam ); } else { sprintf( tempnode->name, "/%s", nam ); } tempnode->basename = strrchr( tempnode->name, '/' ) + 1; archive_entry_free(tempnode->entry); if( (tempnode->entry = archive_entry_clone( root->entry )) == NULL ) { log( "Out of memory" ); return -ENOMEM; } /* insert it recursively */ insert_by_path( root, tempnode ); /* now inserting node should work, correct cur for it */ cur = tempnode; } /* iterate */ key = temp + 1; } if( S_ISDIR( archive_entry_mode( cur->entry ) ) ) { /* check if a child of this name already exists */ NODE *tempnode = NULL; HASH_FIND(hh, cur->child, node->basename, strlen(node->basename), tempnode); if (tempnode) { /* this is a dupe due to a temporarily inserted node, just update the entry */ archive_entry_free( node->entry ); if( (node->entry = archive_entry_clone( tempnode->entry )) == NULL) { log( "Out of memory" ); return -ENOMEM; } } else { insert_as_child( node, cur ); } } else { return -ENOTDIR; } return 0; } static int build_tree( const char *mtpt ) { struct archive *archive; struct stat st; int format; int compression; NODE *cur; char *subtree_filter; regex_t subtree; int regex_error; regmatch_t regmatch; char error_buffer[256]; #define PREFIX "^\\.\\?" if( options.subtree_filter ) { subtree_filter = malloc(strlen(options.subtree_filter) + strlen(PREFIX) + 1); if( !subtree_filter ) { log( "Not enough memory" ); return -ENOMEM; } strcpy( subtree_filter, PREFIX ); subtree_filter = strcat( subtree_filter, options.subtree_filter ); regex_error = regcomp( &subtree, subtree_filter, 0 ); if ( regex_error ) { regerror( regex_error, &subtree, error_buffer, 256 ); log( "Regex build error: %s\n", error_buffer ); return -regex_error; } options.readonly = 1; } /* open archive */ if( (archive = archive_read_new()) == NULL ) { log( "Out of memory" ); return -ENOMEM; } if( archive_read_support_filter_all( archive ) != ARCHIVE_OK ) { fprintf( stderr, "%s\n", archive_error_string( archive ) ); return archive_errno( archive ); } if ( options.formatraw ) { if( archive_read_support_format_raw( archive ) != ARCHIVE_OK ) { fprintf( stderr, "%s\n", archive_error_string( archive ) ); return archive_errno( archive ); } options.readonly = 1; } else { if( archive_read_support_format_all( archive ) != ARCHIVE_OK ) { fprintf( stderr, "%s\n", archive_error_string( archive ) ); return archive_errno( archive ); } } if( archive_read_open_fd( archive, archiveFd, 10240 ) != ARCHIVE_OK ) { fprintf( stderr, "%s\n", archive_error_string( archive ) ); return archive_errno( archive ); } /* check if format or compression prohibits writability */ format = archive_format( archive ); // log("FORMAT=%s",archive_format_name(archive)); compression = archive_filter_code( archive, 0 ); // log("COMPRESSION=%s",archive_compression_name(archive)); if( format & ARCHIVE_FORMAT_ISO9660 || format & ARCHIVE_FORMAT_ISO9660_ROCKRIDGE || format & ARCHIVE_FORMAT_ZIP || compression == ARCHIVE_COMPRESSION_COMPRESS ) { archiveWriteable = 0; } /* create root node */ if ( (root = init_node()) == NULL ) return -ENOMEM; root->name = strdup( "/" ); root->basename = &root->name[1]; /* fill root->entry */ if( fstat( archiveFd, &st ) != 0 ) { perror( "Error stat'ing archiveFile" ); return errno; } archive_entry_set_gid( root->entry, getgid() ); archive_entry_set_uid( root->entry, getuid() ); archive_entry_set_mode( root->entry, st.st_mtime ); archive_entry_set_pathname( root->entry, "/" ); archive_entry_set_size( root->entry, st.st_size ); stat( mtpt, &st ); archive_entry_set_mode( root->entry, st.st_mode ); if( (cur = init_node() ) == NULL ) { return -ENOMEM; } /* read all entries in archive, create node for each */ while( archive_read_next_header2( archive, cur->entry ) == ARCHIVE_OK ) { const char *name; const char *new_name; /* find name of node */ name = archive_entry_pathname( cur->entry ); if( memcmp( name, "./\0", 3 ) == 0 ) { /* special case: the directory "./" must be skipped! */ continue; } if ( options.subtree_filter ) { regex_error = regexec( &subtree, name, 1, ®match, REG_NOTEOL ); if ( regex_error ) { if ( regex_error == REG_NOMATCH ) continue; regerror( regex_error, &subtree, error_buffer, 256 ); log( "Regex match error: %s\n", error_buffer ); return -regex_error; } /* strip subtree from name */ name += regmatch.rm_eo; } /* create node and clone the entry */ /* normalize the name to start with "/" */ if( strncmp( name, "./", 2 ) == 0 ) { /* remove the "." of "./" */ cur->name = strdup( name + 1 ); } else if( name[0] != '/' ) { /* prepend a '/' to name */ if( (cur->name = malloc( strlen( name ) + 2 ) ) == NULL ) { log( "Out of memory" ); return -ENOMEM; } sprintf( cur->name, "/%s", name ); } else { /* just set the name */ cur->name = strdup( name ); } int len = strlen(cur->name) - 1; if( 0 < len ) { /* remove trailing '/' for directories */ if( cur->name[len] == '/' ) { cur->name[len] = '\0'; } cur->basename = strrchr( cur->name, '/' ) + 1; /* references */ if( insert_by_path( root, cur ) != 0 ) { log( "ERROR: could not insert %s into tree", cur->name ); return -ENOENT; } } else { /* this is the directory the subtree filter matches, do not respect it */ } if( (cur = init_node() ) == NULL ) { return -ENOMEM; } archive_read_data_skip( archive ); } /* free the last unused NODE */ free_node(cur); /* close archive */ archive_read_free( archive ); lseek( archiveFd, 0, SEEK_SET ); if ( options.subtree_filter ) { regfree( &subtree ); free( subtree_filter ); } return 0; } static NODE * find_modified_node( NODE *start ) { NODE *ret = NULL; NODE *run = start; while( run ) { if( run->modified ) { ret = run; break; } if( run->child ) { if( ( ret = find_modified_node( run->child ) ) ) { break; } } run = run->hh.next; } return ret; } static void correct_hardlinks_to_node( const NODE *start, const char *old_name, const char *new_name ) { const NODE *run = start; while( run ) { const char *tmp; if( ( tmp = archive_entry_hardlink( run->entry ) ) ) { if( strcmp( tmp, old_name ) == 0 ) { /* the node in "run" is a hardlink to "node", * correct the path */ //log( "correcting hardlink '%s' from '%s' to '%s'", run->name, old_name, new_name); archive_entry_set_hardlink( run->entry, new_name ); } } if( run->child ) { correct_hardlinks_to_node( run->child, old_name, new_name ); } run = run->hh.next; } } static NODE * get_node_for_path( NODE *start, const char *path ) { NODE *ret = NULL; //log( "get_node_for_path path: '%s' start: '%s'", path, start->name ); /* Check if start is a perfect match */ if( strcmp( path, start->name + (*path=='/'?0:1) ) == 0 ) { //log( " get_node_for_path path: '%s' start: '%s' return: '%s'", path, start->name, start->name ); return start; } /* Check if one of the children match */ if (start->child) { const char * basename; const char * baseend; /* Find the part of the path we are now looking for */ basename = path + strlen(start->name) - (*path=='/'?0:1); if (*basename == '/') basename++; baseend = strchrnul(basename, '/'); //log( "get_node_for_path path: '%s' start: '%s' basename: '%s' len: %ld", path, start->name, basename, baseend - basename ); HASH_FIND(hh, start->child, basename, baseend - basename, ret); if (ret) { ret = get_node_for_path( ret, path ); } } //log( " get_node_for_path path: '%s' start: '%s' return: '%s'", path, start->name, ret == NULL ? "(null)" : ret->name ); return ret; } static NODE * get_node_for_entry( NODE *start, struct archive_entry *entry ) { NODE *ret = NULL; NODE *run = start; const char *path = archive_entry_pathname( entry ); if( *path == '/' ) { path++; } while( run ) { const char *name = archive_entry_pathname( run->entry ); if( *name == '/' ) { name++; } if( strcmp( path, name ) == 0 ) { ret = run; break; } if( run->child ) { if( ( ret = get_node_for_entry( run->child, entry ) ) ) { break; } } run = run->hh.next; } return ret; } static int rename_recursively( NODE *start, const char *from, const char *to ) { char *individualName; char *newName; int ret = 0; NODE *node = start; while( node ) { if( node->child ) { /* recurse */ ret = rename_recursively( node->child, from, to ); } /* change node name */ individualName = node->name + strlen( from ); if( *to != '/' ) { if( ( newName = ( char * )malloc( strlen( to ) + strlen( individualName ) + 2 ) ) == NULL ) { log( "Out of memory" ); return -ENOMEM; } sprintf( newName, "/%s%s", to, individualName ); } else { if( ( newName = ( char * )malloc( strlen( to ) + strlen( individualName ) + 1 ) ) == NULL ) { log( "Out of memory" ); return -ENOMEM; } sprintf( newName, "%s%s", to, individualName ); } correct_hardlinks_to_node( root, node->name, newName ); free( node->name ); node->name = newName; node->basename = strrchr( node->name, '/' ) + 1; node->namechanged = 1; /* iterate */ node = node->hh.next; } return ret; } static int get_temp_file_name( const char *path, char **location ) { char *tmppath; char *tmp; int fh; /* create name for temp file */ tmp = tmppath = strdup( path ); do if( *tmp == '/' ) *tmp = '_'; while( *( tmp++ ) ); if ( ( *location = ( char * )malloc( strlen( P_tmpdir ) + strlen( "_archivemount" ) + strlen( tmppath ) + 8 ) ) == NULL ) { log( "Out of memory" ); return -ENOMEM; } sprintf( *location, "%s/archivemount%s_XXXXXX", P_tmpdir, tmppath ); free( tmppath ); if( ( fh = mkstemp( *location ) == -1 ) ) { log( "Could not create temp file name %s: %s", *location, strerror( errno ) ); free( *location ); return 0 - errno; } close( fh ); unlink( *location ); return 0; } /** * Updates given nodes node->entry by stat'ing node->location. Does not update * the name! */ static int update_entry_stat( NODE *node ) { struct stat st; struct passwd *pwd; struct group *grp; if( lstat( node->location, &st ) != 0 ) { return 0 - errno; } archive_entry_set_gid( node->entry, st.st_gid ); archive_entry_set_uid( node->entry, st.st_uid ); archive_entry_set_mtime( node->entry, st.st_mtime, 0 ); archive_entry_set_size( node->entry, st.st_size ); archive_entry_set_mode( node->entry, st.st_mode ); archive_entry_set_rdevmajor( node->entry, st.st_dev ); archive_entry_set_rdevminor( node->entry, st.st_dev ); pwd = getpwuid( st.st_uid ); if( pwd ) { archive_entry_set_uname( node->entry, strdup( pwd->pw_name ) ); } grp = getgrgid( st.st_gid ); if( grp ) { archive_entry_set_gname( node->entry, strdup( grp->gr_name ) ); } return 0; } /* * write a new or modified file to the new archive; used from save() */ static void write_new_modded_file( NODE *node, struct archive_entry *wentry, struct archive *newarc ) { if( node->location ) { struct stat st; int fh = 0; off_t offset = 0; void *buf; ssize_t len; /* copy stat info */ if( lstat( node->location, &st ) != 0 ) { log( "Could not lstat temporary file %s: %s", node->location, strerror( errno ) ); return; } archive_entry_copy_stat( wentry, &st ); /* open temporary file */ fh = open( node->location, O_RDONLY ); if( fh == -1 ) { log( "Fatal error opening modified file %s at " "location %s, giving up", node->name, node->location ); return; } /* write header */ archive_write_header( newarc, wentry ); if( S_ISREG( st.st_mode ) ) { /* regular file, copy data */ if( ( buf = malloc( MAXBUF ) ) == NULL ) { log( "Out of memory" ); return; } while( ( len = pread( fh, buf, ( size_t )MAXBUF, offset ) ) > 0 ) { archive_write_data( newarc, buf, len ); offset += len; } free( buf ); } if( len == -1 ) { log( "Error reading temporary file %s for file %s: %s", node->location, node->name, strerror( errno ) ); close( fh ); return; } /* clean up */ close( fh ); if( S_ISDIR( st.st_mode ) ) { if( rmdir( node->location ) == -1 ) { log( "WARNING: rmdir '%s' failed: %s", node->location, strerror( errno ) ); } } else { if( unlink( node->location ) == -1 ) { log( "WARNING: unlinking '%s' failed: %s", node->location, strerror( errno ) ); } } } else { /* no data, only write header (e.g. when node is a link!) */ /* FIXME: hardlinks are saved, symlinks not. why??? */ //log( "writing header for file %s", archive_entry_pathname( wentry ) ); archive_write_header( newarc, wentry ); } /* mark file as written */ node->modified = 0; } static int save( const char *archiveFile ) { struct archive *oldarc; struct archive *newarc; struct archive_entry *entry; int tempfile; int format; int compression; char *oldfilename; NODE *node; oldfilename = malloc( strlen( archiveFile ) + 5 + 1 ); if( !oldfilename ) { log( "Could not allocate memory for oldfilename" ); return 0 - ENOMEM; } /* unfortunately libarchive does not support modification of * compressed archives, so a new archive has to be written */ /* rename old archive */ sprintf( oldfilename, "%s.orig", archiveFile ); close( archiveFd ); if( rename( archiveFile, oldfilename ) < 0 ) { int err = errno; char *buf = NULL; char *unknown = ""; if( getcwd( buf, 0 ) == NULL ) { /* getcwd failed, set buf to sth. reasonable */ buf = unknown; } log( "Could not rename old archive file (%s/%s): %s", buf, archiveFile, strerror( err ) ); free( buf ); archiveFd = open( archiveFile, O_RDONLY ); return 0 - err; } archiveFd = open( oldfilename, O_RDONLY ); free( oldfilename ); /* open old archive */ if( (oldarc = archive_read_new()) == NULL ) { log( "Out of memory" ); return -ENOMEM; } if( archive_read_support_filter_all( oldarc ) != ARCHIVE_OK ) { log( "%s", archive_error_string( oldarc ) ); return archive_errno( oldarc ); } if( archive_read_support_format_all( oldarc ) != ARCHIVE_OK ) { log( "%s", archive_error_string( oldarc ) ); return archive_errno( oldarc ); } if( archive_read_open_fd( oldarc, archiveFd, 10240 ) != ARCHIVE_OK ) { log( "%s", archive_error_string( oldarc ) ); return archive_errno( oldarc ); } format = archive_format( oldarc ); compression = archive_filter_code( oldarc, 0 ); /* log( "format of old archive is %s (%d)", archive_format_name( oldarc ), format ); log( "compression of old archive is %s (%d)", archive_compression_name( oldarc ), compression ); */ /* open new archive */ if( (newarc = archive_write_new()) == NULL ) { log( "Out of memory" ); return -ENOMEM; } switch( compression ) { case ARCHIVE_COMPRESSION_GZIP: archive_write_add_filter_gzip( newarc ); break; case ARCHIVE_COMPRESSION_BZIP2: archive_write_add_filter_bzip2( newarc ); break; case ARCHIVE_COMPRESSION_COMPRESS: case ARCHIVE_COMPRESSION_NONE: default: archive_write_add_filter_none( newarc ); break; } #if 0 if( archive_write_set_format( newarc, format ) != ARCHIVE_OK ) { return -ENOTSUP; } #endif if( format & ARCHIVE_FORMAT_CPIO || format & ARCHIVE_FORMAT_CPIO_POSIX ) { archive_write_set_format_cpio( newarc ); //log( "set write format to posix-cpio" ); } else if( format & ARCHIVE_FORMAT_SHAR || format & ARCHIVE_FORMAT_SHAR_BASE || format & ARCHIVE_FORMAT_SHAR_DUMP ) { archive_write_set_format_shar( newarc ); //log( "set write format to binary shar" ); } else if( format & ARCHIVE_FORMAT_TAR_PAX_RESTRICTED ) { archive_write_set_format_pax_restricted( newarc ); //log( "set write format to binary pax restricted" ); } else if( format & ARCHIVE_FORMAT_TAR_PAX_INTERCHANGE ) { archive_write_set_format_pax( newarc ); //log( "set write format to binary pax interchange" ); } else if( format & ARCHIVE_FORMAT_TAR_USTAR || format & ARCHIVE_FORMAT_TAR || format & ARCHIVE_FORMAT_TAR_GNUTAR || format == 0 ) { archive_write_set_format_ustar( newarc ); //log( "set write format to ustar" ); } else { log( "writing archives of format %d (%s) is not " "supported", format, archive_format_name( oldarc ) ); return -ENOTSUP; } tempfile = open( archiveFile, O_WRONLY | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH ); if( tempfile == -1 ) { log( "could not open new archive file for writing" ); return 0 - errno; } if( archive_write_open_fd( newarc, tempfile ) != ARCHIVE_OK ) { log( "%s", archive_error_string( newarc ) ); return archive_errno( newarc ); } while( archive_read_next_header( oldarc, &entry ) == ARCHIVE_OK ) { off_t offset; const void *buf; struct archive_entry *wentry; size_t len; const char *name; /* find corresponding node */ name = archive_entry_pathname( entry ); node = get_node_for_entry( root, entry ); if( ! node ) { log( "WARNING: no such node for '%s'", name ); archive_read_data_skip( oldarc ); continue; } /* create new entry, copy metadata */ if( (wentry = archive_entry_new()) == NULL ) { log( "Out of memory" ); return -ENOMEM; } if( archive_entry_gname_w( node->entry ) ) { archive_entry_copy_gname_w( wentry, archive_entry_gname_w( node->entry ) ); } if( archive_entry_hardlink( node->entry ) ) { archive_entry_copy_hardlink( wentry, archive_entry_hardlink( node->entry ) ); } if( archive_entry_hardlink_w( node->entry ) ) { archive_entry_copy_hardlink_w( wentry, archive_entry_hardlink_w( node->entry ) ); } archive_entry_copy_stat( wentry, archive_entry_stat( node->entry ) ); if( archive_entry_symlink_w( node->entry ) ) { archive_entry_copy_symlink_w( wentry, archive_entry_symlink_w( node->entry ) ); } if( archive_entry_uname_w( node->entry ) ) { archive_entry_copy_uname_w( wentry, archive_entry_uname_w( node->entry ) ); } /* set correct name */ if( node->namechanged ) { if( *name == '/' ) { archive_entry_set_pathname( wentry, node->name ); } else { archive_entry_set_pathname( wentry, node->name + 1 ); } } else { archive_entry_set_pathname( wentry, name ); } /* write header and copy data */ if( node->modified ) { /* file was modified */ write_new_modded_file( node, wentry, newarc ); } else { /* file was not modified */ archive_entry_copy_stat( wentry, archive_entry_stat( node->entry ) ); archive_write_header( newarc, wentry ); while( archive_read_data_block( oldarc, &buf, &len, &offset ) == ARCHIVE_OK ) { archive_write_data( newarc, buf, len ); } } /* clean up */ archive_entry_free( wentry ); } /* end: while read next header */ /* find new files to add (those do still have modified flag set */ while( ( node = find_modified_node( root ) ) ) { write_new_modded_file( node, node->entry, newarc ); } /* clean up, re-open the new archive for reading */ archive_read_free( oldarc ); archive_write_free( newarc ); close( tempfile ); close( archiveFd ); archiveFd = open( archiveFile, O_RDONLY ); if( options.nobackup ) { if( remove( oldfilename ) < 0 ) { log( "Could not remove .orig archive file (%s): %s", oldfilename, strerror( errno ) ); return 0 - errno; } } return 0; } /*****************/ /* API functions */ /*****************/ static int _ar_open_raw( void ) //_ar_open_raw( const char *path, struct fuse_file_info *fi ) { // open archive and search first entry const char path[] = "/data"; int ret = -1; const char *realpath; NODE *node; // log( "_ar_open_raw called, path: '%s'", path); if(rawcache->opened!=0) { // log("already opened"); return 0; } options.readonly = 1; /* find node */ node = get_node_for_path( root, path ); if( ! node ) { log("get_node_for_path error"); return -ENOENT; } // struct archive *archive; struct archive_entry *entry; int archive_ret; /* search file in archive */ realpath = archive_entry_pathname( node->entry ); if( (rawcache->archive = archive_read_new()) == NULL ) { log( "Out of memory" ); return -ENOMEM; } archive_ret = archive_read_support_filter_all( rawcache->archive ); if( archive_ret != ARCHIVE_OK ) { log( "archive_read_support_filter_all(): %s (%d)\n", archive_error_string( rawcache->archive ), archive_ret ); return -EIO; } archive_ret = archive_read_support_format_raw( rawcache->archive ); if( archive_ret != ARCHIVE_OK ) { log( "archive_read_support_format_raw(): %s (%d)\n", archive_error_string( rawcache->archive ), archive_ret ); return -EIO; } archive_ret = archive_read_open_fd( rawcache->archive, archiveFd, 10240 ); if( archive_ret != ARCHIVE_OK ) { log( "archive_read_open_fd(): %s (%d)\n", archive_error_string( rawcache->archive ), archive_ret ); return -EIO; } /* search for file to read - "/data" must be the first entry */ while( ( archive_ret = archive_read_next_header( rawcache->archive, &entry )) == ARCHIVE_OK ) { const char *name; name = archive_entry_pathname( entry ); if( strcmp( realpath, name ) == 0 ) { break; } } rawcache->opened=1; rawcache->offset_uncompressed=0; return ret; } static int _ar_read_raw( const char *path, char *buf, size_t size, off_t offset, struct fuse_file_info *fi ) { int ret = -1; const char *realpath; NODE *node; ( void )fi; //log( "read called, path: '%s'", path ); /* find node */ node = get_node_for_path( root, path ); if( ! node ) { return -ENOENT; } if ( offset < rawcache->offset_uncompressed ) { //rewind archive /* close archive */ archive_read_free( rawcache->archive ); lseek( archiveFd, 0, SEEK_SET ); rawcache->opened=0; /* reopen */ _ar_open_raw(); } void *trash; if( ( trash = malloc( MAXBUF ) ) == NULL ) { log( "Out of memory" ); return -ENOMEM; } /* skip offset */ offset-=rawcache->offset_uncompressed; while( offset > 0 ) { int skip = offset > MAXBUF ? MAXBUF : offset; ret = archive_read_data( rawcache->archive, trash, skip ); if( ret == ARCHIVE_FATAL || ret == ARCHIVE_WARN || ret == ARCHIVE_RETRY ) { log( "ar_read_raw (skipping offset): %s", archive_error_string( rawcache->archive ) ); errno = archive_errno( rawcache->archive ); ret = -1; break; } rawcache->offset_uncompressed+=skip; offset -= skip; } free( trash ); if( offset ) { /* there was an error */ log("ar_read_raw (offset!=0)"); return -EIO; } /* read data */ ret = archive_read_data( rawcache->archive, buf, size ); if( ret == ARCHIVE_FATAL || ret == ARCHIVE_WARN || ret == ARCHIVE_RETRY ) { log( "ar_read_raw (reading data): %s", archive_error_string( rawcache->archive ) ); errno = archive_errno( rawcache->archive ); ret = -1; } rawcache->offset_uncompressed +=size; return ret; } static int _ar_read( const char *path, char *buf, size_t size, off_t offset, struct fuse_file_info *fi ) { int ret = -1; const char *realpath; NODE *node; ( void )fi; //log( "read called, path: '%s'", path ); /* find node */ node = get_node_for_path( root, path ); if( ! node ) { return -ENOENT; } if( archive_entry_hardlink( node->entry ) ) { /* file is a hardlink, recurse into it */ return _ar_read( archive_entry_hardlink( node->entry ), buf, size, offset, fi ); } if( archive_entry_symlink( node->entry ) ) { /* file is a symlink, recurse into it */ return _ar_read( archive_entry_symlink( node->entry ), buf, size, offset, fi ); } if( node->modified ) { /* the file is new or modified, read temporary file instead */ int fh; fh = open( node->location, O_RDONLY ); if( fh == -1 ) { log( "Fatal error opening modified file '%s' at " "location '%s', giving up", path, node->location ); return 0 - errno; } /* copy data */ if( ( ret = pread( fh, buf, size, offset ) ) == -1 ) { log( "Error reading temporary file '%s': %s", node->location, strerror( errno ) ); close( fh ); ret = 0 - errno; } /* clean up */ close( fh ); } else { struct archive *archive; struct archive_entry *entry; int archive_ret; /* search file in archive */ realpath = archive_entry_pathname( node->entry ); if( (archive = archive_read_new()) == NULL ) { log( "Out of memory" ); return -ENOMEM; } archive_ret = archive_read_support_filter_all( archive ); if( archive_ret != ARCHIVE_OK ) { log( "archive_read_support_filter_all(): %s (%d)\n", archive_error_string( archive ), archive_ret ); return -EIO; } if ( options.formatraw ) { archive_ret = archive_read_support_format_raw( archive ); if( archive_ret != ARCHIVE_OK ) { log( "archive_read_support_format_all(): %s (%d)\n", archive_error_string( archive ), archive_ret ); return -EIO; } options.readonly = 1; } else { archive_ret = archive_read_support_format_all( archive ); if( archive_ret != ARCHIVE_OK ) { log( "archive_read_support_format_all(): %s (%d)\n", archive_error_string( archive ), archive_ret ); return -EIO; } } archive_ret = archive_read_open_fd( archive, archiveFd, 10240 ); if( archive_ret != ARCHIVE_OK ) { log( "archive_read_open_fd(): %s (%d)\n", archive_error_string( archive ), archive_ret ); return -EIO; } /* search for file to read */ while( ( archive_ret = archive_read_next_header( archive, &entry )) == ARCHIVE_OK ) { const char *name; name = archive_entry_pathname( entry ); if( strcmp( realpath, name ) == 0 ) { void *trash; if( ( trash = malloc( MAXBUF ) ) == NULL ) { log( "Out of memory" ); return -ENOMEM; } /* skip offset */ while( offset > 0 ) { int skip = offset > MAXBUF ? MAXBUF : offset; ret = archive_read_data( archive, trash, skip ); if( ret == ARCHIVE_FATAL || ret == ARCHIVE_WARN || ret == ARCHIVE_RETRY ) { log( "ar_read (skipping offset): %s", archive_error_string( archive ) ); errno = archive_errno( archive ); ret = -1; break; } offset -= skip; } free( trash ); if( offset ) { /* there was an error */ break; } /* read data */ ret = archive_read_data( archive, buf, size ); if( ret == ARCHIVE_FATAL || ret == ARCHIVE_WARN || ret == ARCHIVE_RETRY ) { log( "ar_read (reading data): %s", archive_error_string( archive ) ); errno = archive_errno( archive ); ret = -1; } break; } archive_read_data_skip( archive ); } /* close archive */ archive_read_free( archive ); lseek( archiveFd, 0, SEEK_SET ); } return ret; } static int ar_read( const char *path, char *buf, size_t size, off_t offset, struct fuse_file_info *fi ) { int ret = pthread_mutex_lock(&lock); if ( ret ) { log( "failed to get lock: %s\n", strerror(ret)); return -EIO; } else { if ( options.formatraw) { ret = _ar_read_raw( path, buf, size, offset, fi ); } else { ret = _ar_read( path, buf, size, offset, fi ); } pthread_mutex_unlock(&lock); } return ret; } static off_t _ar_getsizeraw(const char *path) { size_t bufsize = 1024 * 1024; char *buf = malloc(bufsize+1); off_t offset = 0, ret; NODE *node; const char *realpath; /* find node */ node = get_node_for_path( root, path ); if( ! node ) { return -ENOENT; } struct archive *archive; struct archive_entry *entry; int archive_ret; /* search file in archive */ realpath = archive_entry_pathname( node->entry ); if( (archive = archive_read_new()) == NULL ) { log( "Out of memory" ); return -ENOMEM; } archive_ret = archive_read_support_filter_all( archive ); if( archive_ret != ARCHIVE_OK ) { log( "archive_read_support_filter_all(): %s (%d)\n", archive_error_string( archive ), archive_ret ); return -EIO; } if ( options.formatraw ) { archive_ret = archive_read_support_format_raw( archive ); if( archive_ret != ARCHIVE_OK ) { log( "archive_read_support_format_raw(): %s (%d)\n", archive_error_string( archive ), archive_ret ); return -EIO; } options.readonly = 1; options.formatraw = 1; } archive_ret = archive_read_open_fd( archive, archiveFd, 10240 ); if( archive_ret != ARCHIVE_OK ) { log( "archive_read_open_fd(): %s (%d)\n", archive_error_string( archive ), archive_ret ); return -EIO; } /* search for file to read */ while( ( archive_ret = archive_read_next_header( archive, &entry )) == ARCHIVE_OK ) { const char *name; name = archive_entry_pathname( entry ); if( strcmp( realpath, name ) == 0 ) { void *trash; if( ( trash = malloc( MAXBUF ) ) == NULL ) { log( "Out of memory" ); return -ENOMEM; } /* read until no more data */ ssize_t readed=MAXBUF; while( readed != 0 ) { ret = archive_read_data( archive, trash, MAXBUF ); readed=ret; if( ret == ARCHIVE_FATAL || ret == ARCHIVE_WARN || ret == ARCHIVE_RETRY ) { log( "ar_read (skipping offset): %s", archive_error_string( archive ) ); errno = archive_errno( archive ); ret = -1; break; } offset += ret; // log("tmp offset =%ld (%ld)",offset,offset/1024/1024); } free( trash ); break; } archive_read_data_skip( archive ); } // end of search for file to read /* close archive */ archive_read_free( archive ); lseek( archiveFd, 0, SEEK_SET ); return offset; } static int _ar_getattr( const char *path, struct stat *stbuf ) { NODE *node; int ret; off_t size; //log( "getattr called, path: '%s'", path ); node = get_node_for_path( root, path ); if( ! node ) { return -ENOENT; } if( archive_entry_hardlink( node->entry ) ) { /* a hardlink, recurse into it */ ret = _ar_getattr( archive_entry_hardlink( node->entry ), stbuf ); return ret; } if ( options.formatraw && ! node->child ) { fstat( archiveFd, stbuf ); size=rawcache->st.st_size; if( size < 0 ) return -1; stbuf->st_size = size; } else { memcpy( stbuf, archive_entry_stat( node->entry ), sizeof( struct stat ) ); if ( options.formatraw && node->child ) stbuf->st_size = 4096; } stbuf->st_blocks = (stbuf->st_size + 511) / 512; stbuf->st_blksize = 4096; if( options.readonly ) { stbuf->st_mode = stbuf->st_mode & 0777555; } return 0; } static int ar_getattr( const char *path, struct stat *stbuf ) { int ret = pthread_mutex_lock(&lock); if ( ret ) { log( "failed to get lock: %s\n", strerror(ret)); return -EIO; } else { ret = _ar_getattr( path, stbuf ); pthread_mutex_unlock(&lock); } return ret; } /* * mkdir is nearly identical to mknod... */ static int ar_mkdir( const char *path, mode_t mode ) { NODE *node; char *location; int tmp; //log( "mkdir called, path '%s', mode %o", path, mode ); if( ! archiveWriteable || options.readonly ) { return -EROFS; } pthread_mutex_lock( &lock ); /* check for existing node */ node = get_node_for_path( root, path ); if( node ) { pthread_mutex_unlock( &lock ); return -EEXIST; } /* create name for temp dir */ if( ( tmp = get_temp_file_name( path, &location ) < 0 ) ) { pthread_mutex_unlock( &lock ); return tmp; } /* create temp dir */ if( mkdir( location, mode ) == -1 ) { log( "Could not create temporary dir %s: %s", location, strerror( errno ) ); free( location ); pthread_mutex_unlock( &lock ); return 0 - errno; } /* build node */ if( ( node = init_node() ) == NULL ) { pthread_mutex_unlock( &lock ); return -ENOMEM; } node->location = location; node->modified = 1; node->name = strdup( path ); node->basename = strrchr( node->name, '/' ) + 1; node->namechanged = 0; /* build entry */ if( root->child && node->name[0] == '/' && archive_entry_pathname( root->child->entry )[0] != '/' ) { archive_entry_set_pathname( node->entry, node->name + 1 ); } else { archive_entry_set_pathname( node->entry, node->name ); } if( ( tmp = update_entry_stat( node ) ) < 0 ) { log( "mkdir: error stat'ing dir %s: %s", node->location, strerror( 0 - tmp ) ); rmdir( location ); free( location ); free_node(node); pthread_mutex_unlock( &lock ); return tmp; } /* add node to tree */ if( insert_by_path( root, node ) != 0 ) { log( "ERROR: could not insert %s into tree", node->name ); rmdir( location ); free( location ); free_node(node); pthread_mutex_unlock( &lock ); return -ENOENT; } /* clean up */ archiveModified = 1; pthread_mutex_unlock( &lock ); return 0; } /* * ar_rmdir is called for directories only and does not need to do any * recursive stuff */ static int ar_rmdir( const char *path ) { NODE *node; //log( "rmdir called, path '%s'", path ); if( ! archiveWriteable || options.readonly ) { return -EROFS; } pthread_mutex_lock( &lock ); node = get_node_for_path( root, path ); if( ! node ) { pthread_mutex_unlock( &lock ); return -ENOENT; } if( node->child ) { pthread_mutex_unlock( &lock ); return -ENOTEMPTY; } if( node->name[strlen(node->name)-1] == '.' ) { pthread_mutex_unlock( &lock ); return -EINVAL; } if( ! S_ISDIR( archive_entry_mode( node->entry ) ) ) { pthread_mutex_unlock( &lock ); return -ENOTDIR; } if( node->location ) { /* remove temp directory */ if( rmdir( node->location ) == -1 ) { int err = errno; log( "ERROR: removing temp directory %s failed: %s", node->location, strerror( err ) ); pthread_mutex_unlock( &lock ); return err; } free( node->location ); } remove_child( node ); free_node(node); archiveModified = 1; pthread_mutex_unlock( &lock ); return 0; } static int ar_symlink( const char *from, const char *to ) { NODE *node; struct stat st; struct passwd *pwd; struct group *grp; return -ENOSYS; /* somehow saving symlinks does not work. The code below is ok.. see write_new_modded_file() */ //log( "symlink called, %s -> %s", from, to ); if( ! archiveWriteable || options.readonly ) { return -EROFS; } pthread_mutex_lock( &lock ); /* check for existing node */ node = get_node_for_path( root, to ); if( node ) { pthread_mutex_unlock( &lock ); return -EEXIST; } /* build node */ if( ( node = init_node() ) == NULL ) { pthread_mutex_unlock( &lock ); return -ENOMEM; } node->name = strdup( to ); node->basename = strrchr( node->name, '/' ) + 1; node->modified = 1; /* build stat info */ st.st_dev = 0; st.st_ino = 0; st.st_mode = S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO; st.st_nlink = 1; st.st_uid = getuid(); st.st_gid = getgid(); st.st_rdev = 0; st.st_size = strlen( from ); st.st_blksize = 4096; st.st_blocks = 0; st.st_atime = st.st_ctime = st.st_mtime = time( NULL ); /* build entry */ if( root->child && node->name[0] == '/' && archive_entry_pathname( root->child->entry )[0] != '/' ) { archive_entry_set_pathname( node->entry, node->name + 1 ); } else { archive_entry_set_pathname( node->entry, node->name ); } archive_entry_copy_stat( node->entry, &st ); archive_entry_set_symlink( node->entry, strdup( from ) ); /* get user/group name */ pwd = getpwuid( st.st_uid ); if( pwd ) { /* a name was found for the uid */ archive_entry_set_uname( node->entry, strdup( pwd->pw_name ) ); } else { if( errno == EINTR || errno == EIO || errno == EMFILE || errno == ENFILE || errno == ENOMEM || errno == ERANGE ) { log( "ERROR calling getpwuid: %s", strerror( errno ) ); free_node(node); pthread_mutex_unlock( &lock ); return 0 - errno; } /* on other errors the uid just could not be resolved into a name */ } grp = getgrgid( st.st_gid ); if( grp ) { /* a name was found for the uid */ archive_entry_set_gname( node->entry, strdup( grp->gr_name ) ); } else { if( errno == EINTR || errno == EIO || errno == EMFILE || errno == ENFILE || errno == ENOMEM || errno == ERANGE ) { log( "ERROR calling getgrgid: %s", strerror( errno ) ); free_node(node); pthread_mutex_unlock( &lock ); return 0 - errno; } /* on other errors the gid just could not be resolved into a name */ } /* add node to tree */ if( insert_by_path( root, node ) != 0 ) { log( "ERROR: could not insert symlink %s into tree", node->name ); free_node( node ); pthread_mutex_unlock( &lock ); return -ENOENT; } /* clean up */ archiveModified = 1; pthread_mutex_unlock( &lock ); return 0; } static int ar_link( const char *from, const char *to ) { NODE *node; NODE *fromnode; struct stat st; struct passwd *pwd; struct group *grp; //log( "hardlink called, %s -> %s", from, to ); if( ! archiveWriteable || options.readonly ) { return -EROFS; } pthread_mutex_lock( &lock ); /* find source node */ fromnode = get_node_for_path( root, from ); if( ! fromnode ) { pthread_mutex_unlock( &lock ); return -ENOENT; } /* check for existing target */ node = get_node_for_path( root, to ); if( node ) { pthread_mutex_unlock( &lock ); return -EEXIST; } /* extract originals stat info */ _ar_getattr( from, &st ); /* build new node */ if( (node = init_node() ) == NULL ) { pthread_mutex_unlock( &lock ); return -ENOMEM; } node->name = strdup( to ); node->basename = strrchr( node->name, '/' ) + 1; node->modified = 1; /* build entry */ if( node->name[0] == '/' && archive_entry_pathname( fromnode->entry )[0] != '/' ) { archive_entry_set_pathname( node->entry, node->name + 1 ); } else { archive_entry_set_pathname( node->entry, node->name ); } archive_entry_copy_stat( node->entry, &st ); archive_entry_set_hardlink( node->entry, strdup( from ) ); /* get user/group name */ pwd = getpwuid( st.st_uid ); if( pwd ) { /* a name was found for the uid */ archive_entry_set_uname( node->entry, strdup( pwd->pw_name ) ); } else { if( errno == EINTR || errno == EIO || errno == EMFILE || errno == ENFILE || errno == ENOMEM || errno == ERANGE ) { log( "ERROR calling getpwuid: %s", strerror( errno ) ); free_node( node ); pthread_mutex_unlock( &lock ); return 0 - errno; } /* on other errors the uid just could not be resolved into a name */ } grp = getgrgid( st.st_gid ); if( grp ) { /* a name was found for the uid */ archive_entry_set_gname( node->entry, strdup( grp->gr_name ) ); } else { if( errno == EINTR || errno == EIO || errno == EMFILE || errno == ENFILE || errno == ENOMEM || errno == ERANGE ) { log( "ERROR calling getgrgid: %s", strerror( errno ) ); free_node( node ); pthread_mutex_unlock( &lock ); return 0 - errno; } /* on other errors the gid just could not be resolved into a name */ } /* add node to tree */ if( insert_by_path( root, node ) != 0 ) { log( "ERROR: could not insert hardlink %s into tree", node->name ); free_node( node ); pthread_mutex_unlock( &lock ); return -ENOENT; } /* clean up */ archiveModified = 1; pthread_mutex_unlock( &lock ); return 0; } static int _ar_truncate( const char *path, off_t size ) { NODE *node; char *location; int ret; int tmp; int fh; //log( "truncate called, path '%s'", path ); if( ! archiveWriteable || options.readonly ) { return -EROFS; } node = get_node_for_path( root, path ); if( ! node ) { return -ENOENT; } if( archive_entry_hardlink( node->entry ) ) { /* file is a hardlink, recurse into it */ return _ar_truncate( archive_entry_hardlink( node->entry ), size ); } if( archive_entry_symlink( node->entry ) ) { /* file is a symlink, recurse into it */ return _ar_truncate( archive_entry_symlink( node->entry ), size ); } if( node->location ) { /* open existing temp file */ location = node->location; if( ( fh = open( location, O_WRONLY ) ) == -1 ) { log( "error opening temp file %s: %s", location, strerror( errno ) ); unlink( location ); return 0 - errno; } } else { /* create new temp file */ char *tmpbuf = NULL; int tmpoffset = 0; int64_t tmpsize; struct fuse_file_info fi; if( ( tmp = get_temp_file_name( path, &location ) < 0 ) ) { return tmp; } if( ( fh = open( location, O_WRONLY | O_CREAT | O_EXCL, archive_entry_mode( node->entry ) ) ) == -1 ) { log( "error opening temp file %s: %s", location, strerror( errno ) ); unlink( location ); return 0 - errno; } /* copy original file to temporary file */ tmpsize = archive_entry_size( node->entry ); if( ( tmpbuf = ( char * )malloc( MAXBUF ) ) == NULL ) { log( "Out of memory" ); return -ENOMEM; } while( tmpsize ) { int len = tmpsize > MAXBUF ? MAXBUF : tmpsize; /* read */ if( ( tmp = _ar_read( path, tmpbuf, len, tmpoffset, &fi ) ) < 0 ) { log( "ERROR reading while copying %s to " "temporary location %s: %s", path, location, strerror( 0 - tmp ) ); close( fh ); unlink( location ); free( tmpbuf ); return tmp; } /* write */ if( write( fh, tmpbuf, tmp ) == -1 ) { tmp = 0 - errno; log( "ERROR writing while copying %s to " "temporary location %s: %s", path, location, strerror( errno ) ); close( fh ); unlink( location ); free( tmpbuf ); return tmp; } tmpsize -= len; tmpoffset += len; if( tmpoffset >= size ) { /* copied enough, exit the loop */ break; } } /* clean up */ free( tmpbuf ); lseek( fh, 0, SEEK_SET ); } /* truncate temporary file */ if( ( ret = truncate( location, size ) ) == -1 ) { tmp = 0 - errno; log( "ERROR truncating %s (temporary location %s): %s", path, location, strerror( errno ) ); close( fh ); unlink( location ); return tmp; } /* record location, update entry */ node->location = location; node->modified = 1; if( ( tmp = update_entry_stat( node ) ) < 0 ) { log( "write: error stat'ing file %s: %s", node->location, strerror( 0 - tmp ) ); close( fh ); unlink( location ); return tmp; } /* clean up */ close( fh ); archiveModified = 1; return ret; } static int ar_truncate( const char *path, off_t size ) { int ret; pthread_mutex_lock( &lock ); ret = _ar_truncate( path, size ); pthread_mutex_unlock( &lock ); return ret; } static int _ar_write( const char *path, const char *buf, size_t size, off_t offset, struct fuse_file_info *fi ) { NODE *node; char *location; int ret; int tmp; int fh; //log( "write called, path '%s'", path ); if( ! archiveWriteable || options.readonly ) { return -EROFS; } node = get_node_for_path( root, path ); if( ! node ) { return -ENOENT; } if( S_ISLNK( archive_entry_mode( node->entry ) ) ) { /* file is a symlink, recurse into it */ return _ar_write( archive_entry_symlink( node->entry ), buf, size, offset, fi ); } if( archive_entry_hardlink( node->entry ) ) { /* file is a hardlink, recurse into it */ return _ar_write( archive_entry_hardlink( node->entry ), buf, size, offset, fi ); } if( archive_entry_symlink( node->entry ) ) { /* file is a symlink, recurse into it */ return _ar_write( archive_entry_symlink( node->entry ), buf, size, offset, fi ); } if( node->location ) { /* open existing temp file */ location = node->location; if( ( fh = open( location, O_WRONLY ) ) == -1 ) { log( "error opening temp file %s: %s", location, strerror( errno ) ); unlink( location ); return 0 - errno; } } else { /* create new temp file */ char *tmpbuf = NULL; int tmpoffset = 0; int64_t tmpsize; if( ( tmp = get_temp_file_name( path, &location ) < 0 ) ) { return tmp; } if( ( fh = open( location, O_WRONLY | O_CREAT | O_EXCL, archive_entry_mode( node->entry ) ) ) == -1 ) { log( "error opening temp file %s: %s", location, strerror( errno ) ); unlink( location ); return 0 - errno; } /* copy original file to temporary file */ tmpsize = archive_entry_size( node->entry ); if( ( tmpbuf = ( char * )malloc( MAXBUF ) ) == NULL ) { log( "Out of memory" ); return -ENOMEM; } while( tmpsize ) { int len = tmpsize > MAXBUF ? MAXBUF : tmpsize; /* read */ if( ( tmp = _ar_read( path, tmpbuf, len, tmpoffset, fi ) ) < 0 ) { log( "ERROR reading while copying %s to " "temporary location %s: %s", path, location, strerror( 0 - tmp ) ); close( fh ); unlink( location ); free( tmpbuf ); return tmp; } /* write */ if( write( fh, tmpbuf, len ) == -1 ) { tmp = 0 - errno; log( "ERROR writing while copying %s to " "temporary location %s: %s", path, location, strerror( errno ) ); close( fh ); unlink( location ); free( tmpbuf ); return tmp; } tmpsize -= len; tmpoffset += len; } /* clean up */ free( tmpbuf ); lseek( fh, 0, SEEK_SET ); } /* write changes to temporary file */ if( ( ret = pwrite( fh, buf, size, offset ) ) == -1 ) { tmp = 0 - errno; log( "ERROR writing changes to %s (temporary " "location %s): %s", path, location, strerror( errno ) ); close( fh ); unlink( location ); return tmp; } /* record location, update entry */ node->location = location; node->modified = 1; if( ( tmp = update_entry_stat( node ) ) < 0 ) { log( "write: error stat'ing file %s: %s", node->location, strerror( 0 - tmp ) ); close( fh ); unlink( location ); return tmp; } /* clean up */ close( fh ); archiveModified = 1; return ret; } static int ar_write( const char *path, const char *buf, size_t size, off_t offset, struct fuse_file_info *fi ) { int ret; pthread_mutex_lock(&lock); ret = _ar_write( path, buf, size, offset, fi ); pthread_mutex_unlock(&lock); return ret; } static int ar_mknod( const char *path, mode_t mode, dev_t rdev ) { NODE *node; char *location; int tmp; //log( "mknod called, path %s", path ); if( ! archiveWriteable || options.readonly ) { return -EROFS; } pthread_mutex_lock( &lock ); /* check for existing node */ node = get_node_for_path( root, path ); if( node ) { pthread_mutex_unlock( &lock ); return -EEXIST; } /* create name for temp file */ if( ( tmp = get_temp_file_name( path, &location ) < 0 ) ) { pthread_mutex_unlock( &lock ); return tmp; } /* create temp file */ if( mknod( location, mode, rdev ) == -1 ) { log( "Could not create temporary file %s: %s", location, strerror( errno ) ); free( location ); pthread_mutex_unlock( &lock ); return 0 - errno; } /* build node */ if( ( node = init_node() ) == NULL ) { pthread_mutex_unlock( &lock ); return -ENOMEM; } node->location = location; node->modified = 1; node->name = strdup( path ); node->basename = strrchr( node->name, '/' ) + 1; /* build entry */ if( root->child && node->name[0] == '/' && archive_entry_pathname( root->child->entry )[0] != '/' ) { archive_entry_set_pathname( node->entry, node->name + 1 ); } else { archive_entry_set_pathname( node->entry, node->name ); } if( ( tmp = update_entry_stat( node ) ) < 0 ) { log( "mknod: error stat'ing file %s: %s", node->location, strerror( 0 - tmp ) ); unlink( location ); free( location ); free_node( node ); pthread_mutex_unlock( &lock ); return tmp; } /* add node to tree */ if( insert_by_path( root, node ) != 0 ) { log( "ERROR: could not insert %s into tree", node->name ); unlink( location ); free( location ); free_node( node ); pthread_mutex_unlock( &lock ); return -ENOENT; } /* clean up */ archiveModified = 1; pthread_mutex_unlock( &lock ); return 0; } static int ar_unlink( const char *path ) { NODE *node; //log( "unlink called, %s", path ); if( ! archiveWriteable || options.readonly ) { return -EROFS; } pthread_mutex_lock( &lock ); node = get_node_for_path( root, path ); if( ! node ) { pthread_mutex_unlock( &lock ); return -ENOENT; } if( S_ISDIR( archive_entry_mode( node->entry ) ) ) { pthread_mutex_unlock( &lock ); return -EISDIR; } if( node->location ) { /* remove temporary file */ if( unlink( node->location ) == -1 ) { int err = errno; log( "ERROR: could not unlink temporary file '%s': %s", node->location, strerror( err ) ); pthread_mutex_unlock( &lock ); return err; } free( node->location ); } remove_child( node ); free_node( node ); archiveModified = 1; pthread_mutex_unlock( &lock ); return 0; } static int _ar_chmod( const char *path, mode_t mode ) { NODE *node; //log( "chmod called, path '%s', mode: %o", path, mode ); if( ! archiveWriteable || options.readonly ) { return -EROFS; } node = get_node_for_path( root, path ); if( ! node ) { return -ENOENT; } if( archive_entry_hardlink( node->entry ) ) { /* file is a hardlink, recurse into it */ return _ar_chmod( archive_entry_hardlink( node->entry ), mode ); } if( archive_entry_symlink( node->entry ) ) { /* file is a symlink, recurse into it */ return _ar_chmod( archive_entry_symlink( node->entry ), mode ); } #ifdef __APPLE__ /* Make sure the full mode, including file type information, is used */ mode = (0777000 & archive_entry_mode(node->entry)) | (0000777 & mode); #endif // __APPLE__ archive_entry_set_mode( node->entry, mode ); archiveModified = 1; return 0; } static int ar_chmod( const char *path, mode_t mode ) { int ret; pthread_mutex_lock( &lock ); ret = _ar_chmod( path, mode ); pthread_mutex_unlock( &lock ); return ret; } static int _ar_chown( const char *path, uid_t uid, gid_t gid ) { NODE *node; //log( "chown called, %s", path ); if( ! archiveWriteable || options.readonly ) { return -EROFS; } node = get_node_for_path( root, path ); if( ! node ) { return -ENOENT; } if( archive_entry_hardlink( node->entry ) ) { /* file is a hardlink, recurse into it */ return _ar_chown( archive_entry_hardlink( node->entry ), uid, gid ); } /* changing ownership of symlinks is allowed, however */ archive_entry_set_uid( node->entry, uid ); archive_entry_set_gid( node->entry, gid ); archiveModified = 1; return 0; } static int ar_chown( const char *path, uid_t uid, gid_t gid ) { int ret; pthread_mutex_lock( &lock ); ret = _ar_chown( path, uid, gid ); pthread_mutex_unlock( &lock ); return ret; } static int _ar_utime( const char *path, struct utimbuf *buf ) { NODE *node; //log( "utime called, %s", path ); if( ! archiveWriteable || options.readonly ) { return -EROFS; } node = get_node_for_path( root, path ); if( ! node ) { return -ENOENT; } if( archive_entry_hardlink( node->entry ) ) { /* file is a hardlink, recurse into it */ return _ar_utime( archive_entry_hardlink( node->entry ), buf ); } if( archive_entry_symlink( node->entry ) ) { /* file is a symlink, recurse into it */ return _ar_utime( archive_entry_symlink( node->entry ), buf ); } archive_entry_set_mtime( node->entry, buf->modtime, 0 ); archive_entry_set_atime( node->entry, buf->actime, 0 ); archiveModified = 1; return 0; } static int ar_utime( const char *path, struct utimbuf *buf ) { int ret; pthread_mutex_lock( &lock ); ret = _ar_utime( path, buf ); pthread_mutex_unlock( &lock ); return ret; } static int ar_statfs( const char *path, struct statvfs *stbuf ) { ( void )path; //log( "statfs called, %s", path ); /* Adapted the following from sshfs.c */ stbuf->f_namemax = 255; stbuf->f_bsize = 4096; /* * df seems to use f_bsize instead of f_frsize, so make them * the same */ stbuf->f_frsize = stbuf->f_bsize; stbuf->f_blocks = stbuf->f_bfree = stbuf->f_bavail = 1000ULL * 1024 * 1024 * 1024 / stbuf->f_frsize; stbuf->f_files = stbuf->f_ffree = 1000000000; return 0; } static int ar_rename( const char *from, const char *to ) { NODE *node; int ret = 0; char *old_name; char *temp_name; //log( "ar_rename called, from: '%s', to: '%s'", from, to ); if( ! archiveWriteable || options.readonly ) { return -EROFS; } pthread_mutex_lock(&lock); node = get_node_for_path( root, from ); if( ! node ) { pthread_mutex_unlock( &lock ); return -ENOENT; } if( node->child ) { /* it is a directory, recursive change of all nodes * below it is required */ ret = rename_recursively( node->child, from, to ); } /* meta data is changed in save() */ /* change node name */ if( *to != '/' ) { if( ( temp_name = malloc( strlen( to ) + 2 ) ) == NULL ) { log( "Out of memory" ); pthread_mutex_unlock( &lock ); return -ENOMEM; } sprintf( temp_name, "/%s", to ); } else { if( ( temp_name = strdup( to ) ) == NULL ) { log( "Out of memory" ); pthread_mutex_unlock( &lock ); return -ENOMEM; } } old_name = node->name; node->name = temp_name; node->basename = strrchr( node->name, '/' ) + 1; node->namechanged = 1; remove_child( node ); ret = insert_by_path( root, node ); correct_hardlinks_to_node( root, old_name, node->name ); free( old_name ); archiveModified = 1; pthread_mutex_unlock( &lock ); return ret; } static int ar_fsync( const char *path, int isdatasync, struct fuse_file_info *fi ) { /* Just a stub. This method is optional and can safely be left unimplemented */ ( void )path; ( void )isdatasync; ( void )fi; return 0; } static int ar_readlink( const char *path, char *buf, size_t size ) { NODE *node; const char *tmp; //log( "readlink called, path '%s'", path ); int ret = pthread_mutex_lock(&lock); if ( ret ) { fprintf(stderr, "could not acquire lock for archive: %s\n", strerror(ret)); return ret; } node = get_node_for_path( root, path ); if( ! node ) { pthread_mutex_unlock( &lock ); return -ENOENT; } if( ! S_ISLNK( archive_entry_mode( node->entry ) ) ) { pthread_mutex_unlock( &lock ); return -ENOLINK; } tmp = archive_entry_symlink( node->entry ); snprintf( buf, size, "%s", tmp ); pthread_mutex_unlock( &lock ); return 0; } static int ar_open( const char *path, struct fuse_file_info *fi ) { NODE *node; //log( "open called, path '%s'", path ); int ret = pthread_mutex_lock(&lock); if ( ret ) { fprintf(stderr, "could not acquire lock for archive: %s\n", strerror(ret)); return ret; } node = get_node_for_path( root, path ); if( ! node ) { pthread_mutex_unlock( &lock ); return -ENOENT; } if( fi->flags & O_WRONLY || fi->flags & O_RDWR ) { if( ! archiveWriteable ) { pthread_mutex_unlock( &lock ); return -EROFS; } } /* no need to recurse into links since function doesn't do anything */ /* no need to save a handle here since archives are stream based */ fi->fh = 0; if(options.formatraw) _ar_open_raw(); pthread_mutex_unlock( &lock ); return 0; } static int ar_release( const char *path, struct fuse_file_info *fi ) { ( void )fi; ( void )path; return 0; } static int ar_readdir( const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi ) { NODE *node; (void) offset; (void) fi; //log( "readdir called, path: '%s' offset: %d", path, offset ); int ret = -EIO; if ( pthread_mutex_lock( &lock ) ) { log( "could not acquire lock for archive: %s\n", strerror(ret)); return ret; } node = get_node_for_path( root, path ); if( ! node ) { log( "path '%s' not found", path ); pthread_mutex_unlock( &lock ); return -ENOENT; } filler( buf, ".", NULL, 0 ); filler( buf, "..", NULL, 0 ); node = node->child; while( node ) { const struct stat *st; struct stat st_copy; if( archive_entry_hardlink( node->entry ) ) { /* file is a hardlink, stat'ing it somehow does not * work; stat the original instead */ NODE *orig = get_node_for_path( root, archive_entry_hardlink( node->entry ) ); if( ! orig ) { return -ENOENT; } st = archive_entry_stat( orig->entry ); } else { st = archive_entry_stat( node->entry ); } /* Make a copy so we can set blocks/blksize. These are not * set by libarchive. Issue 191 */ memcpy(&st_copy, st, sizeof(st_copy)); st_copy.st_blocks = (st_copy.st_size + 511) / 512; st_copy.st_blksize = 4096; if( filler( buf, node->basename, &st_copy, 0 ) ) { pthread_mutex_unlock( &lock ); return -ENOMEM; } node = node->hh.next; } pthread_mutex_unlock( &lock ); return 0; } static int ar_create( const char *path, mode_t mode, struct fuse_file_info *fi ) { NODE *node; char *location; int tmp; /* the implementation of this function is mostly copy-paste from mknod, with the exception that the temp file is created with creat() instead of mknod() */ //log( "create called, path '%s'", path ); if( ! archiveWriteable || options.readonly ) { return -EROFS; } pthread_mutex_lock( &lock ); /* check for existing node */ node = get_node_for_path( root, path ); if( node ) { pthread_mutex_unlock( &lock ); return -EEXIST; } /* create name for temp file */ if( ( tmp = get_temp_file_name( path, &location ) < 0 ) ) { pthread_mutex_unlock( &lock ); return tmp; } /* create temp file */ if( creat( location, mode ) == -1 ) { log( "Could not create temporary file %s: %s", location, strerror( errno ) ); free( location ); pthread_mutex_unlock( &lock ); return 0 - errno; } /* build node */ if( ( node = init_node() ) == NULL ) { pthread_mutex_unlock( &lock ); return -ENOMEM; } node->location = location; node->modified = 1; node->name = strdup( path ); node->basename = strrchr( node->name, '/' ) + 1; /* build entry */ if( root->child && node->name[0] == '/' && archive_entry_pathname( root->child->entry )[0] != '/' ) { archive_entry_set_pathname( node->entry, node->name + 1 ); } else { archive_entry_set_pathname( node->entry, node->name ); } if( ( tmp = update_entry_stat( node ) ) < 0 ) { log( "mknod: error stat'ing file %s: %s", node->location, strerror( 0 - tmp ) ); unlink( location ); free( location ); free_node( node ); pthread_mutex_unlock( &lock ); return tmp; } /* add node to tree */ if( insert_by_path( root, node ) != 0 ) { log( "ERROR: could not insert %s into tree", node->name ); unlink( location ); free( location ); free_node( node ); pthread_mutex_unlock( &lock ); return -ENOENT; } /* clean up */ archiveModified = 1; pthread_mutex_unlock( &lock ); return 0; } static struct fuse_operations ar_oper = { .getattr = ar_getattr, .readlink = ar_readlink, .mknod = ar_mknod, .mkdir = ar_mkdir, .symlink = ar_symlink, .unlink = ar_unlink, .rmdir = ar_rmdir, .rename = ar_rename, .link = ar_link, .chmod = ar_chmod, .chown = ar_chown, .truncate = ar_truncate, .utime = ar_utime, .open = ar_open, .read = ar_read, .write = ar_write, .statfs = ar_statfs, //.flush = ar_flush, // int(*flush )(const char *, struct fuse_file_info *) .release = ar_release, .fsync = ar_fsync, /* #ifdef HAVE_SETXATTR .setxattr = ar_setxattr, .getxattr = ar_getxattr, .listxattr = ar_listxattr, .removexattr = ar_removexattr, #endif */ //.opendir = ar_opendir, // int(*opendir )(const char *, struct fuse_file_info *) .readdir = ar_readdir, //.releasedir = ar_releasedir, // int(*releasedir )(const char *, struct fuse_file_info *) //.fsyncdir = ar_fsyncdir, // int(*fsyncdir )(const char *, int, struct fuse_file_info *) //.init = ar_init, // void *(*init )(struct fuse_conn_info *conn) //.destroy = ar_destroy, // void(*destroy )(void *) //.access = ar_access, // int(*access )(const char *, int) .create = ar_create, //.ftruncate = ar_ftruncate, // int(*ftruncate )(const char *, off_t, struct fuse_file_info *) //.fgetattr = ar_fgetattr, // int(*fgetattr )(const char *, struct stat *, struct fuse_file_info *) //.lock = ar_lock, // int(*lock )(const char *, struct fuse_file_info *, int cmd, struct flock *) //.utimens = ar_utimens, // int(*utimens )(const char *, const struct timespec tv[2]) //.bmap = ar_bmap, // int(*bmap )(const char *, size_t blocksize, uint64_t *idx) }; void showUsage() { fprintf( stderr, "Usage: archivemount \n" ); fprintf( stderr, "Usage: (-v|--version)\n" ); } int main( int argc, char **argv ) { int fuse_ret; struct stat st; int oldpwd; struct fuse_args args = FUSE_ARGS_INIT(argc, argv); /* parse cmdline args */ memset( &options, 0, sizeof( struct options ) ); if( fuse_opt_parse( &args, &options, ar_opts, ar_opt_proc ) == -1 ) return -1; if( archiveFile==NULL ) { fprintf(stderr, "missing archive file\n"); fprintf(stderr, "see `%s -h' for usage\n", argv[0]); exit(1); } if( mtpt==NULL ) { fprintf(stderr, "missing mount point\n"); fprintf(stderr, "see `%s -h' for usage\n", argv[0]); exit(1); } /* check if mtpt is ok and writeable */ if( stat( mtpt, &st ) != 0 ) { perror( "Error stat'ing mountpoint" ); exit( EXIT_FAILURE ); } if( ! S_ISDIR( st.st_mode ) ) { fprintf( stderr, "Problem with mountpoint: %s\n", strerror( ENOTDIR ) ); exit( EXIT_FAILURE ); } if( !options.readonly ) { /* check if archive is writeable */ archiveFd = open( archiveFile, O_RDWR ); if( archiveFd != -1 ) { archiveWriteable = 1; close( archiveFd ); } } /* We want the temporary fuser version of the archive to be writable,*/ /* despite never actually writing the changes to disk.*/ if( options.nosave ) { archiveWriteable = 1; } /* open archive and read meta data */ archiveFd = open( archiveFile, O_RDONLY ); if( archiveFd == -1 ) { perror( "opening archive failed" ); return EXIT_FAILURE; } if ( build_tree( mtpt ) != 0 ) { exit( EXIT_FAILURE ); } if(options.formatraw) { /* create rawcache */ if ( (rawcache=init_rawcache()) == NULL ) return -ENOMEM; fprintf(stderr,"Calculating uncompressed file size. Please wait.\n"); rawcache->st.st_size=_ar_getsizeraw("/data"); //log("cache st_size = %ld",rawcache->st.st_size); } /* save directory this was started from */ oldpwd = open( ".", 0 ); /* Initialize the node tree lock */ pthread_mutex_init(&lock, NULL); /* always use fuse in single-threaded mode * multithreading is broken with libarchive :-( */ fuse_opt_add_arg( &args, "-s" ); #if FUSE_VERSION >= 26 { struct fuse *fuse; struct fuse_chan *ch; char *mountpoint; int multithreaded; int foreground; struct stat st; int res; res = fuse_parse_cmdline(&args, &mountpoint, &multithreaded, &foreground); if (res == -1) exit(1); ch = fuse_mount(mountpoint, &args); if (!ch) exit(1); res = fcntl(fuse_chan_fd(ch), F_SETFD, FD_CLOEXEC); if (res == -1) perror("WARNING: failed to set FD_CLOEXEC on fuse device"); fuse = fuse_new(ch, &args, &ar_oper, sizeof(struct fuse_operations), NULL); if (fuse == NULL) { fuse_unmount(mountpoint, ch); exit(1); } /* now do the real mount */ res = fuse_daemonize(foreground); if (res != -1) res = fuse_set_signal_handlers(fuse_get_session(fuse)); if (res == -1) { fuse_unmount(mountpoint, ch); fuse_destroy(fuse); exit(1); } if (multithreaded) res = fuse_loop_mt(fuse); else res = fuse_loop(fuse); if (res == -1) res = 1; else res = 0; fuse_remove_signal_handlers(fuse_get_session(fuse)); fuse_unmount(mountpoint, ch); fuse_destroy(fuse); free(mountpoint); } #else /* now do the real mount */ fuse_ret = fuse_main( args.argc, args.argv, &ar_oper, NULL ); #endif /* go back to saved dir */ fchdir( oldpwd ); /* save changes if modified */ if( archiveWriteable && !options.readonly && archiveModified && !options.nosave ) { if( save( archiveFile ) != 0 ) { log( "Saving new archive failed\n" ); } } /* clean up */ close( archiveFd ); return EXIT_SUCCESS; } /* vim:ts=8:softtabstop=8:sw=8:noexpandtab */ archivemount-0.8.5/COPYING0000644000175000017500000006127311313435150012211 00000000000000 GNU LIBRARY GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1991 Free Software Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. 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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! archivemount-0.8.5/archivemount.10000664000175000017500000002374512544015633013757 00000000000000\" Process this file with .\" groff -man -Tascii archivemount.1 .\" .TH ARCHIVEMOUNT "1" "15 August 2013" "ARCHIVEMOUNT version 0.8.5" "User Commands" .SH NAME archivemount \- mounts an archive for access as a file system .SH SYNOPSIS \fBarchivemount\fP [\fB-hVdfs\fP] [\fB-o\fP \fIoptions\fP] \fIarchivepath\fP \fImountpoint\fP .SH DESCRIPTION The \fBarchivemount\fP command mounts the file tree contained in the archive \fIarchivepath\fP on the directory \fImountpoint\fP. The archive's contents can subsequently be accessed inside \fImountpoint\fP as a file system. The \fBumount\fP(8) command performs the corresponding unmount operation. \fBarchivemount\fP is known to work under both linux and Mac OS X (via MacFUSE). .SH EXAMPLE SESSION Consider the gzipped tar archive ``files.tgz'' containing files ``file1'' and ``file2'', and an empty directory ``mnt''. .nf $ ls files.tgz mnt/ $ archivemount files.tgz mnt .nf $ ls mnt file1 file2 [... Perform desired read/write operations on the archive via mnt/ ...] .nf $ umount mnt [... Any changes are saved to the archive ...] .SH ARCHIVE FORMATS Archive format support is provided by the \fBlibarchive\fP(3) library. Read operations are supported for: .RS .IP \(bu old-style tar archives, .IP \(bu most variants of the POSIX ``ustar'' format, .IP \(bu the POSIX ``pax interchange'' format, .IP \(bu GNU-format tar archives, .IP \(bu most common cpio archive formats, .IP \(bu ISO9660 CD images (with or without RockRidge extensions), .IP \(bu Zip archives. .RE Archives compressed with \fBgzip\fP(1), \fBbzip2\fP(1), or \fBcompress\fP(1) are automatically detected and transparently decompressed. The following formats can be written: .RS .IP \(bu POSIX-standard ``ustar'' archives, .IP \(bu POSIX ``pax interchange format'' archives, .IP \(bu POSIX octet-oriented cpio archives, .IP \(bu two different variants of shar archives. .RE Before writing, the original archive is renamed with a ``.orig'' extension appended to it. More detail about the read/write support can be found in the \fBlibarchive\fP(3) documentation. .SH OPTIONS \fBarchivemount\fP is built upon the FUSE (Filesystem in Userspace) library, and the complete set of available options depends upon the specific FUSE implementation. Execute \fBarchivemount -h\fP to retrieve a definitive list. .SS "general options" .TP \fB\-o\fR opt,[opt...] mount options .TP \fB\-h\fR \fB\-\-help\fR print help .TP \fB\-V\fR \fB\-\-version\fR print version .SS "archivemount mount options" .TP \fB\-o\fR readonly disable write support .TP \fB\-o\fR nobackup remove archive file backups .TP \fB\-o\fR subtree= mount only subtree of archive, strip subtree part from path .SS "FUSE mount options" These options are available to linux users using standard FUSE. .TP \fB\-d\fR \fB\-o\fR debug enable debug output (implies \fB\-f\fR) .TP \fB\-f\fR foreground operation .TP \fB\-s\fR disable multi\-threaded operation .TP \fB\-o\fR allow_other allow access to other users .TP \fB\-o\fR allow_root allow access to root .TP \fB\-o\fR nonempty allow mounts over non\-empty file/dir .HP \fB\-o\fR default_permissions enable permission checking by kernel .TP \fB\-o\fR fsname=NAME set filesystem name .TP \fB\-o\fR subtype=NAME set filesystem type .TP \fB\-o\fR large_read issue large read requests (2.4 only) .TP \fB\-o\fR max_read=N set maximum size of read requests .TP \fB\-o\fR hard_remove immediate removal (don't hide files) .TP \fB\-o\fR use_ino let filesystem set inode numbers .TP \fB\-o\fR readdir_ino try to fill in d_ino in readdir .TP \fB\-o\fR direct_io use direct I/O .TP \fB\-o\fR kernel_cache cache files in kernel .TP \fB\-o\fR [no]auto_cache enable caching based on modification times .TP \fB\-o\fR umask=M set file permissions (octal) .TP \fB\-o\fR uid=N set file owner .TP \fB\-o\fR gid=N set file group .TP \fB\-o\fR entry_timeout=T cache timeout for names (1.0s) .TP \fB\-o\fR negative_timeout=T cache timeout for deleted names (0.0s) .TP \fB\-o\fR attr_timeout=T cache timeout for attributes (1.0s) .TP \fB\-o\fR ac_attr_timeout=T auto cache timeout for attributes (attr_timeout) .TP \fB\-o\fR intr allow requests to be interrupted .TP \fB\-o\fR intr_signal=NUM signal to send on interrupt (10) .TP \fB\-o\fR modules=M1[:M2...] names of modules to push onto filesystem stack .TP \fB\-o\fR max_write=N set maximum size of write requests .TP \fB\-o\fR max_readahead=N set maximum readahead .TP \fB\-o\fR async_read perform reads asynchronously (default) .TP \fB\-o\fR sync_read perform reads synchronously .TP \fB\-o\fR atomic_o_trunc enable atomic open+truncate support .SS "MacFUSE mount options" These options are available to Mac users using MacFUSE. .TP \fB-o\fR allow_other allow access to others besides the user who mounted the file system .TP \fB-o\fR allow_recursion allow a mount point that itself resides on a MacFUSE volume (by default, such mounting is disallowed) .TP \fB-o\fR allow_root allow access to root (can't be used with allow_other) .TP \fB-o\fR auto_xattr handle extended attributes entirely through ._ files .TP \fB-o\fR blocksize=SIZE specify block size in bytes of "storage" .TP \fB-o\fR case_insensitive enable case-insensitive mode .TP \fB-o\fR daemon_timeout=T timeout in seconds for kernel calls to daemon .TP \fB-o\fR debug turn on debug information printing .TP \fB-o\fR default_permissions let the kernel handle permission checks locally .TP \fB-o\fR defer_permissions defer permission checks to file operations themselves .TP \fB-o\fR direct_io use alternative (direct) path for kernel-user I/O .TP \fB-o\fR extended_security turn on Mac OS X extended security (ACLs) .TP \fB-o\fR fsid=FSID set the second 32-bit component of the fsid .TP \fB-o\fR fsname=NAME set the file system's name .TP \fB-o\fR fssubtype=NUM set the file system's fssubtype identifier .TP \fB-o\fR fstypename=NAME set the file system's type name .TP \fB-o\fR iosize=SIZE specify maximum I/O size in bytes .TP \fB-o\fR jail_symlinks contain symbolic links within the mount .TP \fB-o\fR kill_on_unmount kernel will send a signal (SIGKILL by default) to the daemon after unmount finishes .TP \fB-o\fR local mark the volume as ``local'' (default is ``nonlocal'') .TP \fB-o\fR negative_vncache enable vnode name caching of non-existent objects .TP \fB-o\fR volname=NAME set the file system's volume name .TP \fB-o\fR noalerts disable all graphical alerts (if any) in MacFUSE Core .TP \fB-o\fR noappledouble ignore Apple Double (._) and .DS_Store files entirely .TP \fB-o\fR noapplexattr ignore all ``com.apple.*'' extended attributes .TP \fB-o\fR nobrowse mark the volume as non-browsable by the Finder .TP \fB-o\fR nolocalcaches meta option equivalent to noreadahead,noubc,novncache .TP \fB-o\fR noping_diskarb do not ping Disk Arbitration (pings by default) .TP \fB-o\fR noreadahead disable I/O read-ahead behavior for this file system .TP \fB-o\fR nosynconclose disable sync-on-close behavior (enabled by default) .TP \fB-o\fR nosyncwrites disable synchronous-writes behavior (dangerous) .TP \fB-o\fR noubc disable the unified buffer cache for this file system .TP \fB-o\fR novncache disable the vnode name cache for this file system .TP \fB-o\fR hard_remove immediate removal (don't hide files) .TP \fB-o\fR use_ino let filesystem set inode numbers .TP \fB-o\fR readdir_ino try to fill in d_ino in readdir .TP \fB-o\fR direct_io use direct I/O .TP \fB-o\fR kernel_cache cache files in kernel .TP \fB-o\fR [no]auto_cache enable caching based on modification times .TP \fB-o\fR umask=M set file permissions (octal) .TP \fB-o\fR uid=N set file owner .TP \fB-o\fR gid=N set file group .TP \fB-o\fR entry_timeout=T cache timeout for names (1.0s) .TP \fB-o\fR negative_timeout=T cache timeout for deleted names (0.0s) .TP \fB-o\fR attr_timeout=T cache timeout for attributes (1.0s) .TP \fB-o\fR ac_attr_timeout=T auto cache timeout for attributes (attr_timeout) .TP \fB-o\fR intr allow requests to be interrupted .TP \fB-o\fR intr_signal=NUM signal to send on interrupt (30) .TP \fB-o\fR modules=M1[:M2...] names of modules to push onto filesystem stack .TP \fB-o\fR max_write=N set maximum size of write requests .TP \fB-o\fR max_readahead=N set maximum readahead .TP \fB-o\fR async_read perform reads asynchronously (default) .TP \fB-o\fR sync_read perform reads synchronously .SS "Module options" .TP [subdir] .TP \fB\-o\fR subdir=DIR prepend this directory to all paths (mandatory) .TP \fB\-o\fR [no]rellinks transform absolute symlinks to relative .TP [iconv] .TP \fB\-o\fR from_code=CHARSET original encoding of file names (default: UTF-8) .TP \fB\-o\fR to_code=CHARSET new encoding of the file names (default: ISO-8859-2) .PD .SH LICENSE This sofware is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This software 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this software; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA .SH KNOWN BUGS This is beta software and should be treated as such. Bug reports to the AUTHORS listed below would be appreciated. archivemount is forced to run a single-thread mode for now. Support for stable multithreading is planned in a future release. .SH SEE ALSO .BR bzip2 (1), .BR compress (1), .BR cpio (1), .BR gzip (1), .BR libarchive (3), .BR pax (1), .BR tar (1), .BR umount (8), and .BR zip (1) ``Filesystem in Userspace'': http://fuse.sourceforge.net/ ``MacFUSE'': http://code.google.com/p/macfuse/ .SH "AUTHORS" .LP Archivemount is written and maintained by Andre Landwehr . .LP This man page was written by Tom Duck with material drawn from the page for \fBlibarchive\fP(3). archivemount-0.8.5/Makefile.am0000664000175000017500000000047112543551647013225 00000000000000bin_PROGRAMS = archivemount archivemount_SOURCES = archivemount.c uthash.h archivemount_LDADD = $(ARCHIVE_LIBS) $(FUSE_LIBS) archivemount_CFLAGS = $(FUSE_CFLAGS) -D_FILE_OFFSET_BITS=64 if DEBUG archivemount_CFLAGS += -g else archivemount_CFLAGS += -O2 endif dist_man_MANS = archivemount.1 EXTRA_DIST = CHANGELOG archivemount-0.8.5/Makefile.in0000664000175000017500000007214312543551711013233 00000000000000# Makefile.in generated by automake 1.14.1 from Makefile.am. # @configure_input@ # Copyright (C) 1994-2013 Free Software Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ VPATH = @srcdir@ am__is_gnu_make = test -n '$(MAKEFILE_LIST)' && test -n '$(MAKELEVEL)' am__make_running_with_option = \ case $${target_option-} in \ ?) ;; \ *) echo "am__make_running_with_option: internal error: invalid" \ "target option '$${target_option-}' specified" >&2; \ exit 1;; \ esac; \ has_opt=no; \ sane_makeflags=$$MAKEFLAGS; \ if $(am__is_gnu_make); then \ sane_makeflags=$$MFLAGS; \ else \ case $$MAKEFLAGS in \ *\\[\ \ ]*) \ bs=\\; \ sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \ | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \ esac; \ fi; \ skip_next=no; \ strip_trailopt () \ { \ flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \ }; \ for flg in $$sane_makeflags; do \ test $$skip_next = yes && { skip_next=no; continue; }; \ case $$flg in \ *=*|--*) continue;; \ -*I) strip_trailopt 'I'; skip_next=yes;; \ -*I?*) strip_trailopt 'I';; \ -*O) strip_trailopt 'O'; skip_next=yes;; \ -*O?*) strip_trailopt 'O';; \ -*l) strip_trailopt 'l'; skip_next=yes;; \ -*l?*) strip_trailopt 'l';; \ -[dEDm]) skip_next=yes;; \ -[JT]) skip_next=yes;; \ esac; \ case $$flg in \ *$$target_option*) has_opt=yes; break;; \ esac; \ done; \ test $$has_opt = yes am__make_dryrun = (target_option=n; $(am__make_running_with_option)) am__make_keepgoing = (target_option=k; $(am__make_running_with_option)) pkgdatadir = $(datadir)/@PACKAGE@ pkgincludedir = $(includedir)/@PACKAGE@ pkglibdir = $(libdir)/@PACKAGE@ pkglibexecdir = $(libexecdir)/@PACKAGE@ am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd install_sh_DATA = $(install_sh) -c -m 644 install_sh_PROGRAM = $(install_sh) -c install_sh_SCRIPT = $(install_sh) -c INSTALL_HEADER = $(INSTALL_DATA) transform = $(program_transform_name) NORMAL_INSTALL = : PRE_INSTALL = : POST_INSTALL = : NORMAL_UNINSTALL = : PRE_UNINSTALL = : POST_UNINSTALL = : bin_PROGRAMS = archivemount$(EXEEXT) @DEBUG_TRUE@am__append_1 = -g @DEBUG_FALSE@am__append_2 = -O2 subdir = . 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The archive's contents can subsequently be accessed inside \fImountpoint\fP as a file system. The \fBumount\fP(8) command performs the corresponding unmount operation. \fBarchivemount\fP is known to work under both linux and Mac OS X (via MacFUSE). .SH EXAMPLE SESSION Consider the gzipped tar archive ``files.tgz'' containing files ``file1'' and ``file2'', and an empty directory ``mnt''. .nf $ ls files.tgz mnt/ $ archivemount files.tgz mnt .nf $ ls mnt file1 file2 [... Perform desired read/write operations on the archive via mnt/ ...] .nf $ umount mnt [... Any changes are saved to the archive ...] .SH ARCHIVE FORMATS Archive format support is provided by the \fBlibarchive\fP(3) library. Read operations are supported for: .RS .IP \(bu old-style tar archives, .IP \(bu most variants of the POSIX ``ustar'' format, .IP \(bu the POSIX ``pax interchange'' format, .IP \(bu GNU-format tar archives, .IP \(bu most common cpio archive formats, .IP \(bu ISO9660 CD images (with or without RockRidge extensions), .IP \(bu Zip archives. .RE Archives compressed with \fBgzip\fP(1), \fBbzip2\fP(1), or \fBcompress\fP(1) are automatically detected and transparently decompressed. The following formats can be written: .RS .IP \(bu POSIX-standard ``ustar'' archives, .IP \(bu POSIX ``pax interchange format'' archives, .IP \(bu POSIX octet-oriented cpio archives, .IP \(bu two different variants of shar archives. .RE Before writing, the original archive is renamed with a ``.orig'' extension appended to it. More detail about the read/write support can be found in the \fBlibarchive\fP(3) documentation. .SH OPTIONS \fBarchivemount\fP is built upon the FUSE (Filesystem in Userspace) library, and the complete set of available options depends upon the specific FUSE implementation. Execute \fBarchivemount -h\fP to retrieve a definitive list. .SS "general options" .TP \fB\-o\fR opt,[opt...] mount options .TP \fB\-h\fR \fB\-\-help\fR print help .TP \fB\-V\fR \fB\-\-version\fR print version .SS "archivemount mount options" .TP \fB\-o\fR readonly disable write support .TP \fB\-o\fR nobackup remove archive file backups .TP \fB\-o\fR subtree= mount only subtree of archive, strip subtree part from path .SS "FUSE mount options" These options are available to linux users using standard FUSE. .TP \fB\-d\fR \fB\-o\fR debug enable debug output (implies \fB\-f\fR) .TP \fB\-f\fR foreground operation .TP \fB\-s\fR disable multi\-threaded operation .TP \fB\-o\fR allow_other allow access to other users .TP \fB\-o\fR allow_root allow access to root .TP \fB\-o\fR nonempty allow mounts over non\-empty file/dir .HP \fB\-o\fR default_permissions enable permission checking by kernel .TP \fB\-o\fR fsname=NAME set filesystem name .TP \fB\-o\fR subtype=NAME set filesystem type .TP \fB\-o\fR large_read issue large read requests (2.4 only) .TP \fB\-o\fR max_read=N set maximum size of read requests .TP \fB\-o\fR hard_remove immediate removal (don't hide files) .TP \fB\-o\fR use_ino let filesystem set inode numbers .TP \fB\-o\fR readdir_ino try to fill in d_ino in readdir .TP \fB\-o\fR direct_io use direct I/O .TP \fB\-o\fR kernel_cache cache files in kernel .TP \fB\-o\fR [no]auto_cache enable caching based on modification times .TP \fB\-o\fR umask=M set file permissions (octal) .TP \fB\-o\fR uid=N set file owner .TP \fB\-o\fR gid=N set file group .TP \fB\-o\fR entry_timeout=T cache timeout for names (1.0s) .TP \fB\-o\fR negative_timeout=T cache timeout for deleted names (0.0s) .TP \fB\-o\fR attr_timeout=T cache timeout for attributes (1.0s) .TP \fB\-o\fR ac_attr_timeout=T auto cache timeout for attributes (attr_timeout) .TP \fB\-o\fR intr allow requests to be interrupted .TP \fB\-o\fR intr_signal=NUM signal to send on interrupt (10) .TP \fB\-o\fR modules=M1[:M2...] names of modules to push onto filesystem stack .TP \fB\-o\fR max_write=N set maximum size of write requests .TP \fB\-o\fR max_readahead=N set maximum readahead .TP \fB\-o\fR async_read perform reads asynchronously (default) .TP \fB\-o\fR sync_read perform reads synchronously .TP \fB\-o\fR atomic_o_trunc enable atomic open+truncate support .SS "MacFUSE mount options" These options are available to Mac users using MacFUSE. .TP \fB-o\fR allow_other allow access to others besides the user who mounted the file system .TP \fB-o\fR allow_recursion allow a mount point that itself resides on a MacFUSE volume (by default, such mounting is disallowed) .TP \fB-o\fR allow_root allow access to root (can't be used with allow_other) .TP \fB-o\fR auto_xattr handle extended attributes entirely through ._ files .TP \fB-o\fR blocksize=SIZE specify block size in bytes of "storage" .TP \fB-o\fR case_insensitive enable case-insensitive mode .TP \fB-o\fR daemon_timeout=T timeout in seconds for kernel calls to daemon .TP \fB-o\fR debug turn on debug information printing .TP \fB-o\fR default_permissions let the kernel handle permission checks locally .TP \fB-o\fR defer_permissions defer permission checks to file operations themselves .TP \fB-o\fR direct_io use alternative (direct) path for kernel-user I/O .TP \fB-o\fR extended_security turn on Mac OS X extended security (ACLs) .TP \fB-o\fR fsid=FSID set the second 32-bit component of the fsid .TP \fB-o\fR fsname=NAME set the file system's name .TP \fB-o\fR fssubtype=NUM set the file system's fssubtype identifier .TP \fB-o\fR fstypename=NAME set the file system's type name .TP \fB-o\fR iosize=SIZE specify maximum I/O size in bytes .TP \fB-o\fR jail_symlinks contain symbolic links within the mount .TP \fB-o\fR kill_on_unmount kernel will send a signal (SIGKILL by default) to the daemon after unmount finishes .TP \fB-o\fR local mark the volume as ``local'' (default is ``nonlocal'') .TP \fB-o\fR negative_vncache enable vnode name caching of non-existent objects .TP \fB-o\fR volname=NAME set the file system's volume name .TP \fB-o\fR noalerts disable all graphical alerts (if any) in MacFUSE Core .TP \fB-o\fR noappledouble ignore Apple Double (._) and .DS_Store files entirely .TP \fB-o\fR noapplexattr ignore all ``com.apple.*'' extended attributes .TP \fB-o\fR nobrowse mark the volume as non-browsable by the Finder .TP \fB-o\fR nolocalcaches meta option equivalent to noreadahead,noubc,novncache .TP \fB-o\fR noping_diskarb do not ping Disk Arbitration (pings by default) .TP \fB-o\fR noreadahead disable I/O read-ahead behavior for this file system .TP \fB-o\fR nosynconclose disable sync-on-close behavior (enabled by default) .TP \fB-o\fR nosyncwrites disable synchronous-writes behavior (dangerous) .TP \fB-o\fR noubc disable the unified buffer cache for this file system .TP \fB-o\fR novncache disable the vnode name cache for this file system .TP \fB-o\fR hard_remove immediate removal (don't hide files) .TP \fB-o\fR use_ino let filesystem set inode numbers .TP \fB-o\fR readdir_ino try to fill in d_ino in readdir .TP \fB-o\fR direct_io use direct I/O .TP \fB-o\fR kernel_cache cache files in kernel .TP \fB-o\fR [no]auto_cache enable caching based on modification times .TP \fB-o\fR umask=M set file permissions (octal) .TP \fB-o\fR uid=N set file owner .TP \fB-o\fR gid=N set file group .TP \fB-o\fR entry_timeout=T cache timeout for names (1.0s) .TP \fB-o\fR negative_timeout=T cache timeout for deleted names (0.0s) .TP \fB-o\fR attr_timeout=T cache timeout for attributes (1.0s) .TP \fB-o\fR ac_attr_timeout=T auto cache timeout for attributes (attr_timeout) .TP \fB-o\fR intr allow requests to be interrupted .TP \fB-o\fR intr_signal=NUM signal to send on interrupt (30) .TP \fB-o\fR modules=M1[:M2...] names of modules to push onto filesystem stack .TP \fB-o\fR max_write=N set maximum size of write requests .TP \fB-o\fR max_readahead=N set maximum readahead .TP \fB-o\fR async_read perform reads asynchronously (default) .TP \fB-o\fR sync_read perform reads synchronously .SS "Module options" .TP [subdir] .TP \fB\-o\fR subdir=DIR prepend this directory to all paths (mandatory) .TP \fB\-o\fR [no]rellinks transform absolute symlinks to relative .TP [iconv] .TP \fB\-o\fR from_code=CHARSET original encoding of file names (default: UTF-8) .TP \fB\-o\fR to_code=CHARSET new encoding of the file names (default: ISO-8859-2) .PD .SH LICENSE This sofware is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This software 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this software; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA .SH KNOWN BUGS This is beta software and should be treated as such. Bug reports to the AUTHORS listed below would be appreciated. archivemount is forced to run a single-thread mode for now. Support for stable multithreading is planned in a future release. .SH SEE ALSO .BR bzip2 (1), .BR compress (1), .BR cpio (1), .BR gzip (1), .BR libarchive (3), .BR pax (1), .BR tar (1), .BR umount (8), and .BR zip (1) ``Filesystem in Userspace'': http://fuse.sourceforge.net/ ``MacFUSE'': http://code.google.com/p/macfuse/ .SH "AUTHORS" .LP Archivemount is written and maintained by Andre Landwehr . .LP This man page was written by Tom Duck with material drawn from the page for \fBlibarchive\fP(3). archivemount-0.8.5/config.h.in0000664000175000017500000000331512543554034013205 00000000000000/* config.h.in. Generated from configure.ac by autoheader. */ /* Define to 1 if you have the header file. */ #undef HAVE_ARCHIVE_ENTRY_H /* Define to 1 if you have the header file. */ #undef HAVE_ARCHIVE_H /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_MEMORY_H /* Define to 1 if you have the header file. */ #undef HAVE_REGEX_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 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 header file. */ #undef HAVE_SYS_STAT_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_UNISTD_H /* Define to drop debug support */ #undef NDEBUG /* 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 you have the ANSI C header files. */ #undef STDC_HEADERS /* Version number of package */ #undef VERSION archivemount-0.8.5/configure.ac0000664000175000017500000000364512543551702013455 00000000000000# Process this file with autoconf to produce a configure script AC_INIT([archivemount],[0.8.5], [andrel@cybernoia.de]) AM_INIT_AUTOMAKE([-Wall -Werror foreign]) AC_PROG_CC AC_CONFIG_HEADERS([config.h]) AC_CONFIG_FILES([Makefile archivemount.1]) RELEASE_DATE="15 August 2013" AC_SUBST(RELEASE_DATE) CFLAGS= # Check for libfuse PKG_CHECK_EXISTS(fuse) PKG_CHECK_MODULES([FUSE], [fuse >= 2.6],, AC_MSG_ERROR([libfuse>=2.6 not found. If libfuse is installed then perhaps you should set the PKG_CONFIG_PATH=/dir/containing/fuse.pc environment variable])) AC_SUBST([FUSE_LIBS]) AC_SUBST([FUSE_CFLAGS]) # Check for libarchive (no pkg-config support) AC_CHECK_LIB([archive], [archive_read_new], [ARCHIVE_LIBS=-larchive], AC_MSG_ERROR([libarchive not found. If libarchive is installed then perhaps you should set the LDFLAGS=-L/nonstandard/lib/dir environment variable])) AC_SUBST([ARCHIVE_LIBS]) AC_CHECK_HEADERS([archive.h archive_entry.h],, AC_MSG_ERROR([libarchive headers not found. If the libarchive headers are installed then perhaps you should set the CPPFLAGS=-I/nonstandard/include/dir environment variable])) AC_CHECK_HEADERS([regex.h],, AC_MSG_ERROR([regex.h not found. If the regex.h header file is installed then perhaps you should set the CPPFLAGS=-I/nonstandard/include/dir environment variable])) # Debug support AC_MSG_CHECKING(if you want debug support) debug_on=no AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [enable debug support (def=no)]), debug_on="$enableval") AC_MSG_RESULT($debug_on) if test "$debug_on" = "no"; then AC_DEFINE([NDEBUG],, [Define to drop debug support]) fi AM_CONDITIONAL(DEBUG, test "$debug_on" = yes) AC_OUTPUT archivemount-0.8.5/compile0000755000175000017500000001624512257663466012560 00000000000000#! /bin/sh # Wrapper for compilers which do not understand '-c -o'. scriptversion=2012-10-14.11; # UTC # Copyright (C) 1999-2013 Free Software Foundation, Inc. # Written by Tom Tromey . # # 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. # This file is maintained in Automake, please report # bugs to or send patches to # . nl=' ' # We need space, tab and new line, in precisely that order. Quoting is # there to prevent tools from complaining about whitespace usage. IFS=" "" $nl" file_conv= # func_file_conv build_file lazy # Convert a $build file to $host form and store it in $file # Currently only supports Windows hosts. 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Try '$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: compile [--help] [--version] PROGRAM [ARGS] Wrapper for compilers which do not understand '-c -o'. Remove '-o dest.o' from ARGS, run PROGRAM with the remaining arguments, and rename the output as expected. If you are trying to build a whole package this is not the right script to run: please start by reading the file 'INSTALL'. Report bugs to . EOF exit $? ;; -v | --v*) echo "compile $scriptversion" exit $? ;; cl | *[/\\]cl | cl.exe | *[/\\]cl.exe ) func_cl_wrapper "$@" # Doesn't return... ;; esac ofile= cfile= for arg do if test -n "$eat"; then eat= else case $1 in -o) # configure might choose to run compile as 'compile cc -o foo foo.c'. # So we strip '-o arg' only if arg is an object. eat=1 case $2 in *.o | *.obj) ofile=$2 ;; *) set x "$@" -o "$2" shift ;; esac ;; *.c) cfile=$1 set x "$@" "$1" shift ;; *) set x "$@" "$1" shift ;; esac fi shift done if test -z "$ofile" || test -z "$cfile"; then # If no '-o' option was seen then we might have been invoked from a # pattern rule where we don't need one. That is ok -- this is a # normal compilation that the losing compiler can handle. If no # '.c' file was seen then we are probably linking. That is also # ok. exec "$@" fi # Name of file we expect compiler to create. cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'` # Create the lock directory. # Note: use '[/\\:.-]' here to ensure that we don't use the same name # that we are using for the .o file. Also, base the name on the expected # object file name, since that is what matters with a parallel build. lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d while true; do if mkdir "$lockdir" >/dev/null 2>&1; then break fi sleep 1 done # FIXME: race condition here if user kills between mkdir and trap. trap "rmdir '$lockdir'; exit 1" 1 2 15 # Run the compile. "$@" ret=$? if test -f "$cofile"; then test "$cofile" = "$ofile" || mv "$cofile" "$ofile" elif test -f "${cofile}bj"; then test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" fi rmdir "$lockdir" exit $ret # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End: archivemount-0.8.5/uthash.h0000664000175000017500000016244212230732767012642 00000000000000/* Copyright (c) 2003-2011, Troy D. Hanson http://uthash.sourceforge.net All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. */ #ifndef UTHASH_H #define UTHASH_H #include /* memcmp,strlen */ #include /* ptrdiff_t */ #include /* exit() */ /* These macros use decltype or the earlier __typeof GNU extension. As decltype is only available in newer compilers (VS2010 or gcc 4.3+ when compiling c++ source) this code uses whatever method is needed or, for VS2008 where neither is available, uses casting workarounds. */ #ifdef _MSC_VER /* MS compiler */ #if _MSC_VER >= 1600 && defined(__cplusplus) /* VS2010 or newer in C++ mode */ #define DECLTYPE(x) (decltype(x)) #else /* VS2008 or older (or VS2010 in C mode) */ #define NO_DECLTYPE #define DECLTYPE(x) #endif #else /* GNU, Sun and other compilers */ #define DECLTYPE(x) (__typeof(x)) #endif #ifdef NO_DECLTYPE #define DECLTYPE_ASSIGN(dst,src) \ do { \ char **_da_dst = (char**)(&(dst)); \ *_da_dst = (char*)(src); \ } while(0) #else #define DECLTYPE_ASSIGN(dst,src) \ do { \ (dst) = DECLTYPE(dst)(src); \ } while(0) #endif /* a number of the hash function use uint32_t which isn't defined on win32 */ #ifdef _MSC_VER typedef unsigned int uint32_t; typedef unsigned char uint8_t; #else #include /* uint32_t */ #endif #define UTHASH_VERSION 1.9.4 #define uthash_fatal(msg) exit(-1) /* fatal error (out of memory,etc) */ #define uthash_malloc(sz) malloc(sz) /* malloc fcn */ #define uthash_free(ptr,sz) free(ptr) /* free fcn */ #define uthash_noexpand_fyi(tbl) /* can be defined to log noexpand */ #define uthash_expand_fyi(tbl) /* can be defined to log expands */ /* initial number of buckets */ #define HASH_INITIAL_NUM_BUCKETS 32 /* initial number of buckets */ #define HASH_INITIAL_NUM_BUCKETS_LOG2 5 /* lg2 of initial number of buckets */ #define HASH_BKT_CAPACITY_THRESH 10 /* expand when bucket count reaches */ /* calculate the element whose hash handle address is hhe */ #define ELMT_FROM_HH(tbl,hhp) ((void*)(((char*)(hhp)) - ((tbl)->hho))) #define HASH_FIND(hh,head,keyptr,keylen,out) \ do { \ unsigned _hf_bkt,_hf_hashv; \ out=NULL; \ if (head) { \ HASH_FCN(keyptr,keylen, (head)->hh.tbl->num_buckets, _hf_hashv, _hf_bkt); \ if (HASH_BLOOM_TEST((head)->hh.tbl, _hf_hashv)) { \ HASH_FIND_IN_BKT((head)->hh.tbl, hh, (head)->hh.tbl->buckets[ _hf_bkt ], \ keyptr,keylen,out); \ } \ } \ } while (0) #ifdef HASH_BLOOM #define HASH_BLOOM_BITLEN (1ULL << HASH_BLOOM) #define HASH_BLOOM_BYTELEN (HASH_BLOOM_BITLEN/8) + ((HASH_BLOOM_BITLEN%8) ? 1:0) #define HASH_BLOOM_MAKE(tbl) \ do { \ (tbl)->bloom_nbits = HASH_BLOOM; \ (tbl)->bloom_bv = (uint8_t*)uthash_malloc(HASH_BLOOM_BYTELEN); \ if (!((tbl)->bloom_bv)) { uthash_fatal( "out of memory"); } \ memset((tbl)->bloom_bv, 0, HASH_BLOOM_BYTELEN); \ (tbl)->bloom_sig = HASH_BLOOM_SIGNATURE; \ } while (0); #define HASH_BLOOM_FREE(tbl) \ do { \ uthash_free((tbl)->bloom_bv, HASH_BLOOM_BYTELEN); \ } while (0); #define HASH_BLOOM_BITSET(bv,idx) (bv[(idx)/8] |= (1U << ((idx)%8))) #define HASH_BLOOM_BITTEST(bv,idx) (bv[(idx)/8] & (1U << ((idx)%8))) #define HASH_BLOOM_ADD(tbl,hashv) \ HASH_BLOOM_BITSET((tbl)->bloom_bv, (hashv & (uint32_t)((1ULL << (tbl)->bloom_nbits) - 1))) #define HASH_BLOOM_TEST(tbl,hashv) \ HASH_BLOOM_BITTEST((tbl)->bloom_bv, (hashv & (uint32_t)((1ULL << (tbl)->bloom_nbits) - 1))) #else #define HASH_BLOOM_MAKE(tbl) #define HASH_BLOOM_FREE(tbl) #define HASH_BLOOM_ADD(tbl,hashv) #define HASH_BLOOM_TEST(tbl,hashv) (1) #endif #define HASH_MAKE_TABLE(hh,head) \ do { \ (head)->hh.tbl = (UT_hash_table*)uthash_malloc( \ sizeof(UT_hash_table)); \ if (!((head)->hh.tbl)) { uthash_fatal( "out of memory"); } \ memset((head)->hh.tbl, 0, sizeof(UT_hash_table)); \ (head)->hh.tbl->tail = &((head)->hh); \ (head)->hh.tbl->num_buckets = HASH_INITIAL_NUM_BUCKETS; \ (head)->hh.tbl->log2_num_buckets = HASH_INITIAL_NUM_BUCKETS_LOG2; \ (head)->hh.tbl->hho = (char*)(&(head)->hh) - (char*)(head); \ (head)->hh.tbl->buckets = (UT_hash_bucket*)uthash_malloc( \ HASH_INITIAL_NUM_BUCKETS*sizeof(struct UT_hash_bucket)); \ if (! (head)->hh.tbl->buckets) { uthash_fatal( "out of memory"); } \ memset((head)->hh.tbl->buckets, 0, \ HASH_INITIAL_NUM_BUCKETS*sizeof(struct UT_hash_bucket)); \ HASH_BLOOM_MAKE((head)->hh.tbl); \ (head)->hh.tbl->signature = HASH_SIGNATURE; \ } while(0) #define HASH_ADD(hh,head,fieldname,keylen_in,add) \ HASH_ADD_KEYPTR(hh,head,&add->fieldname,keylen_in,add) #define HASH_ADD_KEYPTR(hh,head,keyptr,keylen_in,add) \ do { \ unsigned _ha_bkt; \ (add)->hh.next = NULL; \ (add)->hh.key = (char*)keyptr; \ (add)->hh.keylen = keylen_in; \ if (!(head)) { \ head = (add); \ (head)->hh.prev = NULL; \ HASH_MAKE_TABLE(hh,head); \ } else { \ (head)->hh.tbl->tail->next = (add); \ (add)->hh.prev = ELMT_FROM_HH((head)->hh.tbl, (head)->hh.tbl->tail); \ (head)->hh.tbl->tail = &((add)->hh); \ } \ (head)->hh.tbl->num_items++; \ (add)->hh.tbl = (head)->hh.tbl; \ HASH_FCN(keyptr,keylen_in, (head)->hh.tbl->num_buckets, \ (add)->hh.hashv, _ha_bkt); \ HASH_ADD_TO_BKT((head)->hh.tbl->buckets[_ha_bkt],&(add)->hh); \ HASH_BLOOM_ADD((head)->hh.tbl,(add)->hh.hashv); \ HASH_EMIT_KEY(hh,head,keyptr,keylen_in); \ HASH_FSCK(hh,head); \ } while(0) #define HASH_TO_BKT( hashv, num_bkts, bkt ) \ do { \ bkt = ((hashv) & ((num_bkts) - 1)); \ } while(0) /* delete "delptr" from the hash table. * "the usual" patch-up process for the app-order doubly-linked-list. * The use of _hd_hh_del below deserves special explanation. * These used to be expressed using (delptr) but that led to a bug * if someone used the same symbol for the head and deletee, like * HASH_DELETE(hh,users,users); * We want that to work, but by changing the head (users) below * we were forfeiting our ability to further refer to the deletee (users) * in the patch-up process. Solution: use scratch space to * copy the deletee pointer, then the latter references are via that * scratch pointer rather than through the repointed (users) symbol. */ #define HASH_DELETE(hh,head,delptr) \ do { \ unsigned _hd_bkt; \ struct UT_hash_handle *_hd_hh_del; \ if ( ((delptr)->hh.prev == NULL) && ((delptr)->hh.next == NULL) ) { \ uthash_free((head)->hh.tbl->buckets, \ (head)->hh.tbl->num_buckets*sizeof(struct UT_hash_bucket) ); \ HASH_BLOOM_FREE((head)->hh.tbl); \ uthash_free((head)->hh.tbl, sizeof(UT_hash_table)); \ head = NULL; \ } else { \ _hd_hh_del = &((delptr)->hh); \ if ((delptr) == ELMT_FROM_HH((head)->hh.tbl,(head)->hh.tbl->tail)) { \ (head)->hh.tbl->tail = \ (UT_hash_handle*)((char*)((delptr)->hh.prev) + \ (head)->hh.tbl->hho); \ } \ if ((delptr)->hh.prev) { \ ((UT_hash_handle*)((char*)((delptr)->hh.prev) + \ (head)->hh.tbl->hho))->next = (delptr)->hh.next; \ } else { \ DECLTYPE_ASSIGN(head,(delptr)->hh.next); \ } \ if (_hd_hh_del->next) { \ ((UT_hash_handle*)((char*)_hd_hh_del->next + \ (head)->hh.tbl->hho))->prev = \ _hd_hh_del->prev; \ } \ HASH_TO_BKT( _hd_hh_del->hashv, (head)->hh.tbl->num_buckets, _hd_bkt); \ HASH_DEL_IN_BKT(hh,(head)->hh.tbl->buckets[_hd_bkt], _hd_hh_del); \ (head)->hh.tbl->num_items--; \ } \ HASH_FSCK(hh,head); \ } while (0) /* convenience forms of HASH_FIND/HASH_ADD/HASH_DEL */ #define HASH_FIND_STR(head,findstr,out) \ HASH_FIND(hh,head,findstr,strlen(findstr),out) #define HASH_ADD_STR(head,strfield,add) \ HASH_ADD(hh,head,strfield,strlen(add->strfield),add) #define HASH_FIND_INT(head,findint,out) \ HASH_FIND(hh,head,findint,sizeof(int),out) #define HASH_ADD_INT(head,intfield,add) \ HASH_ADD(hh,head,intfield,sizeof(int),add) #define HASH_FIND_PTR(head,findptr,out) \ HASH_FIND(hh,head,findptr,sizeof(void *),out) #define HASH_ADD_PTR(head,ptrfield,add) \ HASH_ADD(hh,head,ptrfield,sizeof(void *),add) #define HASH_DEL(head,delptr) \ HASH_DELETE(hh,head,delptr) /* HASH_FSCK checks hash integrity on every add/delete when HASH_DEBUG is defined. * This is for uthash developer only; it compiles away if HASH_DEBUG isn't defined. */ #ifdef HASH_DEBUG #define HASH_OOPS(...) do { fprintf(stderr,__VA_ARGS__); exit(-1); } while (0) #define HASH_FSCK(hh,head) \ do { \ unsigned _bkt_i; \ unsigned _count, _bkt_count; \ char *_prev; \ struct UT_hash_handle *_thh; \ if (head) { \ _count = 0; \ for( _bkt_i = 0; _bkt_i < (head)->hh.tbl->num_buckets; _bkt_i++) { \ _bkt_count = 0; \ _thh = (head)->hh.tbl->buckets[_bkt_i].hh_head; \ _prev = NULL; \ while (_thh) { \ if (_prev != (char*)(_thh->hh_prev)) { \ HASH_OOPS("invalid hh_prev %p, actual %p\n", \ _thh->hh_prev, _prev ); \ } \ _bkt_count++; \ _prev = (char*)(_thh); \ _thh = _thh->hh_next; \ } \ _count += _bkt_count; \ if ((head)->hh.tbl->buckets[_bkt_i].count != _bkt_count) { \ HASH_OOPS("invalid bucket count %d, actual %d\n", \ (head)->hh.tbl->buckets[_bkt_i].count, _bkt_count); \ } \ } \ if (_count != (head)->hh.tbl->num_items) { \ HASH_OOPS("invalid hh item count %d, actual %d\n", \ (head)->hh.tbl->num_items, _count ); \ } \ /* traverse hh in app order; check next/prev integrity, count */ \ _count = 0; \ _prev = NULL; \ _thh = &(head)->hh; \ while (_thh) { \ _count++; \ if (_prev !=(char*)(_thh->prev)) { \ HASH_OOPS("invalid prev %p, actual %p\n", \ _thh->prev, _prev ); \ } \ _prev = (char*)ELMT_FROM_HH((head)->hh.tbl, _thh); \ _thh = ( _thh->next ? (UT_hash_handle*)((char*)(_thh->next) + \ (head)->hh.tbl->hho) : NULL ); \ } \ if (_count != (head)->hh.tbl->num_items) { \ HASH_OOPS("invalid app item count %d, actual %d\n", \ (head)->hh.tbl->num_items, _count ); \ } \ } \ } while (0) #else #define HASH_FSCK(hh,head) #endif /* When compiled with -DHASH_EMIT_KEYS, length-prefixed keys are emitted to * the descriptor to which this macro is defined for tuning the hash function. * The app can #include to get the prototype for write(2). */ #ifdef HASH_EMIT_KEYS #define HASH_EMIT_KEY(hh,head,keyptr,fieldlen) \ do { \ unsigned _klen = fieldlen; \ write(HASH_EMIT_KEYS, &_klen, sizeof(_klen)); \ write(HASH_EMIT_KEYS, keyptr, fieldlen); \ } while (0) #else #define HASH_EMIT_KEY(hh,head,keyptr,fieldlen) #endif /* default to Jenkin's hash unless overridden e.g. DHASH_FUNCTION=HASH_SAX */ #ifdef HASH_FUNCTION #define HASH_FCN HASH_FUNCTION #else #define HASH_FCN HASH_JEN #endif /* The Bernstein hash function, used in Perl prior to v5.6 */ #define HASH_BER(key,keylen,num_bkts,hashv,bkt) \ do { \ unsigned _hb_keylen=keylen; \ char *_hb_key=(char*)(key); \ (hashv) = 0; \ while (_hb_keylen--) { (hashv) = ((hashv) * 33) + *_hb_key++; } \ bkt = (hashv) & (num_bkts-1); \ } while (0) /* SAX/FNV/OAT/JEN hash functions are macro variants of those listed at * http://eternallyconfuzzled.com/tuts/algorithms/jsw_tut_hashing.aspx */ #define HASH_SAX(key,keylen,num_bkts,hashv,bkt) \ do { \ unsigned _sx_i; \ char *_hs_key=(char*)(key); \ hashv = 0; \ for(_sx_i=0; _sx_i < keylen; _sx_i++) \ hashv ^= (hashv << 5) + (hashv >> 2) + _hs_key[_sx_i]; \ bkt = hashv & (num_bkts-1); \ } while (0) #define HASH_FNV(key,keylen,num_bkts,hashv,bkt) \ do { \ unsigned _fn_i; \ char *_hf_key=(char*)(key); \ hashv = 2166136261UL; \ for(_fn_i=0; _fn_i < keylen; _fn_i++) \ hashv = (hashv * 16777619) ^ _hf_key[_fn_i]; \ bkt = hashv & (num_bkts-1); \ } while(0); #define HASH_OAT(key,keylen,num_bkts,hashv,bkt) \ do { \ unsigned _ho_i; \ char *_ho_key=(char*)(key); \ hashv = 0; \ for(_ho_i=0; _ho_i < keylen; _ho_i++) { \ hashv += _ho_key[_ho_i]; \ hashv += (hashv << 10); \ hashv ^= (hashv >> 6); \ } \ hashv += (hashv << 3); \ hashv ^= (hashv >> 11); \ hashv += (hashv << 15); \ bkt = hashv & (num_bkts-1); \ } while(0) #define HASH_JEN_MIX(a,b,c) \ do { \ a -= b; a -= c; a ^= ( c >> 13 ); \ b -= c; b -= a; b ^= ( a << 8 ); \ c -= a; c -= b; c ^= ( b >> 13 ); \ a -= b; a -= c; a ^= ( c >> 12 ); \ b -= c; b -= a; b ^= ( a << 16 ); \ c -= a; c -= b; c ^= ( b >> 5 ); \ a -= b; a -= c; a ^= ( c >> 3 ); \ b -= c; b -= a; b ^= ( a << 10 ); \ c -= a; c -= b; c ^= ( b >> 15 ); \ } while (0) #define HASH_JEN(key,keylen,num_bkts,hashv,bkt) \ do { \ unsigned _hj_i,_hj_j,_hj_k; \ char *_hj_key=(char*)(key); \ hashv = 0xfeedbeef; \ _hj_i = _hj_j = 0x9e3779b9; \ _hj_k = keylen; \ while (_hj_k >= 12) { \ _hj_i += (_hj_key[0] + ( (unsigned)_hj_key[1] << 8 ) \ + ( (unsigned)_hj_key[2] << 16 ) \ + ( (unsigned)_hj_key[3] << 24 ) ); \ _hj_j += (_hj_key[4] + ( (unsigned)_hj_key[5] << 8 ) \ + ( (unsigned)_hj_key[6] << 16 ) \ + ( (unsigned)_hj_key[7] << 24 ) ); \ hashv += (_hj_key[8] + ( (unsigned)_hj_key[9] << 8 ) \ + ( (unsigned)_hj_key[10] << 16 ) \ + ( (unsigned)_hj_key[11] << 24 ) ); \ \ HASH_JEN_MIX(_hj_i, _hj_j, hashv); \ \ _hj_key += 12; \ _hj_k -= 12; \ } \ hashv += keylen; \ switch ( _hj_k ) { \ case 11: hashv += ( (unsigned)_hj_key[10] << 24 ); \ case 10: hashv += ( (unsigned)_hj_key[9] << 16 ); \ case 9: hashv += ( (unsigned)_hj_key[8] << 8 ); \ case 8: _hj_j += ( (unsigned)_hj_key[7] << 24 ); \ case 7: _hj_j += ( (unsigned)_hj_key[6] << 16 ); \ case 6: _hj_j += ( (unsigned)_hj_key[5] << 8 ); \ case 5: _hj_j += _hj_key[4]; \ case 4: _hj_i += ( (unsigned)_hj_key[3] << 24 ); \ case 3: _hj_i += ( (unsigned)_hj_key[2] << 16 ); \ case 2: _hj_i += ( (unsigned)_hj_key[1] << 8 ); \ case 1: _hj_i += _hj_key[0]; \ } \ HASH_JEN_MIX(_hj_i, _hj_j, hashv); \ bkt = hashv & (num_bkts-1); \ } while(0) /* The Paul Hsieh hash function */ #undef get16bits #if (defined(__GNUC__) && defined(__i386__)) || defined(__WATCOMC__) \ || defined(_MSC_VER) || defined (__BORLANDC__) || defined (__TURBOC__) #define get16bits(d) (*((const uint16_t *) (d))) #endif #if !defined (get16bits) #define get16bits(d) ((((uint32_t)(((const uint8_t *)(d))[1])) << 8) \ +(uint32_t)(((const uint8_t *)(d))[0]) ) #endif #define HASH_SFH(key,keylen,num_bkts,hashv,bkt) \ do { \ char *_sfh_key=(char*)(key); \ uint32_t _sfh_tmp, _sfh_len = keylen; \ \ int _sfh_rem = _sfh_len & 3; \ _sfh_len >>= 2; \ hashv = 0xcafebabe; \ \ /* Main loop */ \ for (;_sfh_len > 0; _sfh_len--) { \ hashv += get16bits (_sfh_key); \ _sfh_tmp = (get16bits (_sfh_key+2) << 11) ^ hashv; \ hashv = (hashv << 16) ^ _sfh_tmp; \ _sfh_key += 2*sizeof (uint16_t); \ hashv += hashv >> 11; \ } \ \ /* Handle end cases */ \ switch (_sfh_rem) { \ case 3: hashv += get16bits (_sfh_key); \ hashv ^= hashv << 16; \ hashv ^= _sfh_key[sizeof (uint16_t)] << 18; \ hashv += hashv >> 11; \ break; \ case 2: hashv += get16bits (_sfh_key); \ hashv ^= hashv << 11; \ hashv += hashv >> 17; \ break; \ case 1: hashv += *_sfh_key; \ hashv ^= hashv << 10; \ hashv += hashv >> 1; \ } \ \ /* Force "avalanching" of final 127 bits */ \ hashv ^= hashv << 3; \ hashv += hashv >> 5; \ hashv ^= hashv << 4; \ hashv += hashv >> 17; \ hashv ^= hashv << 25; \ hashv += hashv >> 6; \ bkt = hashv & (num_bkts-1); \ } while(0); #ifdef HASH_USING_NO_STRICT_ALIASING /* The MurmurHash exploits some CPU's (x86,x86_64) tolerance for unaligned reads. * For other types of CPU's (e.g. Sparc) an unaligned read causes a bus error. * MurmurHash uses the faster approach only on CPU's where we know it's safe. * * Note the preprocessor built-in defines can be emitted using: * * gcc -m64 -dM -E - < /dev/null (on gcc) * cc -## a.c (where a.c is a simple test file) (Sun Studio) */ #if (defined(__i386__) || defined(__x86_64__)) #define MUR_GETBLOCK(p,i) p[i] #else /* non intel */ #define MUR_PLUS0_ALIGNED(p) (((unsigned long)p & 0x3) == 0) #define MUR_PLUS1_ALIGNED(p) (((unsigned long)p & 0x3) == 1) #define MUR_PLUS2_ALIGNED(p) (((unsigned long)p & 0x3) == 2) #define MUR_PLUS3_ALIGNED(p) (((unsigned long)p & 0x3) == 3) #define WP(p) ((uint32_t*)((unsigned long)(p) & ~3UL)) #if (defined(__BIG_ENDIAN__) || defined(SPARC) || defined(__ppc__) || defined(__ppc64__)) #define MUR_THREE_ONE(p) ((((*WP(p))&0x00ffffff) << 8) | (((*(WP(p)+1))&0xff000000) >> 24)) #define MUR_TWO_TWO(p) ((((*WP(p))&0x0000ffff) <<16) | (((*(WP(p)+1))&0xffff0000) >> 16)) #define MUR_ONE_THREE(p) ((((*WP(p))&0x000000ff) <<24) | (((*(WP(p)+1))&0xffffff00) >> 8)) #else /* assume little endian non-intel */ #define MUR_THREE_ONE(p) ((((*WP(p))&0xffffff00) >> 8) | (((*(WP(p)+1))&0x000000ff) << 24)) #define MUR_TWO_TWO(p) ((((*WP(p))&0xffff0000) >>16) | (((*(WP(p)+1))&0x0000ffff) << 16)) #define MUR_ONE_THREE(p) ((((*WP(p))&0xff000000) >>24) | (((*(WP(p)+1))&0x00ffffff) << 8)) #endif #define MUR_GETBLOCK(p,i) (MUR_PLUS0_ALIGNED(p) ? ((p)[i]) : \ (MUR_PLUS1_ALIGNED(p) ? MUR_THREE_ONE(p) : \ (MUR_PLUS2_ALIGNED(p) ? MUR_TWO_TWO(p) : \ MUR_ONE_THREE(p)))) #endif #define MUR_ROTL32(x,r) (((x) << (r)) | ((x) >> (32 - (r)))) #define MUR_FMIX(_h) \ do { \ _h ^= _h >> 16; \ _h *= 0x85ebca6b; \ _h ^= _h >> 13; \ _h *= 0xc2b2ae35l; \ _h ^= _h >> 16; \ } while(0) #define HASH_MUR(key,keylen,num_bkts,hashv,bkt) \ do { \ const uint8_t *_mur_data = (const uint8_t*)(key); \ const int _mur_nblocks = (keylen) / 4; \ uint32_t _mur_h1 = 0xf88D5353; \ uint32_t _mur_c1 = 0xcc9e2d51; \ uint32_t _mur_c2 = 0x1b873593; \ const uint32_t *_mur_blocks = (const uint32_t*)(_mur_data+_mur_nblocks*4); \ int _mur_i; \ for(_mur_i = -_mur_nblocks; _mur_i; _mur_i++) { \ uint32_t _mur_k1 = MUR_GETBLOCK(_mur_blocks,_mur_i); \ _mur_k1 *= _mur_c1; \ _mur_k1 = MUR_ROTL32(_mur_k1,15); \ _mur_k1 *= _mur_c2; \ \ _mur_h1 ^= _mur_k1; \ _mur_h1 = MUR_ROTL32(_mur_h1,13); \ _mur_h1 = _mur_h1*5+0xe6546b64; \ } \ const uint8_t *_mur_tail = (const uint8_t*)(_mur_data + _mur_nblocks*4); \ uint32_t _mur_k1=0; \ switch((keylen) & 3) { \ case 3: _mur_k1 ^= _mur_tail[2] << 16; \ case 2: _mur_k1 ^= _mur_tail[1] << 8; \ case 1: _mur_k1 ^= _mur_tail[0]; \ _mur_k1 *= _mur_c1; \ _mur_k1 = MUR_ROTL32(_mur_k1,15); \ _mur_k1 *= _mur_c2; \ _mur_h1 ^= _mur_k1; \ } \ _mur_h1 ^= (keylen); \ MUR_FMIX(_mur_h1); \ hashv = _mur_h1; \ bkt = hashv & (num_bkts-1); \ } while(0) #endif /* HASH_USING_NO_STRICT_ALIASING */ /* key comparison function; return 0 if keys equal */ #define HASH_KEYCMP(a,b,len) memcmp(a,b,len) /* iterate over items in a known bucket to find desired item */ #define HASH_FIND_IN_BKT(tbl,hh,head,keyptr,keylen_in,out) \ do { \ if (head.hh_head) DECLTYPE_ASSIGN(out,ELMT_FROM_HH(tbl,head.hh_head)); \ else out=NULL; \ while (out) { \ if (out->hh.keylen == keylen_in) { \ if ((HASH_KEYCMP(out->hh.key,keyptr,keylen_in)) == 0) break; \ } \ if (out->hh.hh_next) DECLTYPE_ASSIGN(out,ELMT_FROM_HH(tbl,out->hh.hh_next)); \ else out = NULL; \ } \ } while(0) /* add an item to a bucket */ #define HASH_ADD_TO_BKT(head,addhh) \ do { \ head.count++; \ (addhh)->hh_next = head.hh_head; \ (addhh)->hh_prev = NULL; \ if (head.hh_head) { (head).hh_head->hh_prev = (addhh); } \ (head).hh_head=addhh; \ if (head.count >= ((head.expand_mult+1) * HASH_BKT_CAPACITY_THRESH) \ && (addhh)->tbl->noexpand != 1) { \ HASH_EXPAND_BUCKETS((addhh)->tbl); \ } \ } while(0) /* remove an item from a given bucket */ #define HASH_DEL_IN_BKT(hh,head,hh_del) \ (head).count--; \ if ((head).hh_head == hh_del) { \ (head).hh_head = hh_del->hh_next; \ } \ if (hh_del->hh_prev) { \ hh_del->hh_prev->hh_next = hh_del->hh_next; \ } \ if (hh_del->hh_next) { \ hh_del->hh_next->hh_prev = hh_del->hh_prev; \ } /* Bucket expansion has the effect of doubling the number of buckets * and redistributing the items into the new buckets. Ideally the * items will distribute more or less evenly into the new buckets * (the extent to which this is true is a measure of the quality of * the hash function as it applies to the key domain). * * With the items distributed into more buckets, the chain length * (item count) in each bucket is reduced. Thus by expanding buckets * the hash keeps a bound on the chain length. This bounded chain * length is the essence of how a hash provides constant time lookup. * * The calculation of tbl->ideal_chain_maxlen below deserves some * explanation. First, keep in mind that we're calculating the ideal * maximum chain length based on the *new* (doubled) bucket count. * In fractions this is just n/b (n=number of items,b=new num buckets). * Since the ideal chain length is an integer, we want to calculate * ceil(n/b). We don't depend on floating point arithmetic in this * hash, so to calculate ceil(n/b) with integers we could write * * ceil(n/b) = (n/b) + ((n%b)?1:0) * * and in fact a previous version of this hash did just that. * But now we have improved things a bit by recognizing that b is * always a power of two. We keep its base 2 log handy (call it lb), * so now we can write this with a bit shift and logical AND: * * ceil(n/b) = (n>>lb) + ( (n & (b-1)) ? 1:0) * */ #define HASH_EXPAND_BUCKETS(tbl) \ do { \ unsigned _he_bkt; \ unsigned _he_bkt_i; \ struct UT_hash_handle *_he_thh, *_he_hh_nxt; \ UT_hash_bucket *_he_new_buckets, *_he_newbkt; \ _he_new_buckets = (UT_hash_bucket*)uthash_malloc( \ 2 * tbl->num_buckets * sizeof(struct UT_hash_bucket)); \ if (!_he_new_buckets) { uthash_fatal( "out of memory"); } \ memset(_he_new_buckets, 0, \ 2 * tbl->num_buckets * sizeof(struct UT_hash_bucket)); \ tbl->ideal_chain_maxlen = \ (tbl->num_items >> (tbl->log2_num_buckets+1)) + \ ((tbl->num_items & ((tbl->num_buckets*2)-1)) ? 1 : 0); \ tbl->nonideal_items = 0; \ for(_he_bkt_i = 0; _he_bkt_i < tbl->num_buckets; _he_bkt_i++) \ { \ _he_thh = tbl->buckets[ _he_bkt_i ].hh_head; \ while (_he_thh) { \ _he_hh_nxt = _he_thh->hh_next; \ HASH_TO_BKT( _he_thh->hashv, tbl->num_buckets*2, _he_bkt); \ _he_newbkt = &(_he_new_buckets[ _he_bkt ]); \ if (++(_he_newbkt->count) > tbl->ideal_chain_maxlen) { \ tbl->nonideal_items++; \ _he_newbkt->expand_mult = _he_newbkt->count / \ tbl->ideal_chain_maxlen; \ } \ _he_thh->hh_prev = NULL; \ _he_thh->hh_next = _he_newbkt->hh_head; \ if (_he_newbkt->hh_head) _he_newbkt->hh_head->hh_prev = \ _he_thh; \ _he_newbkt->hh_head = _he_thh; \ _he_thh = _he_hh_nxt; \ } \ } \ uthash_free( tbl->buckets, tbl->num_buckets*sizeof(struct UT_hash_bucket) ); \ tbl->num_buckets *= 2; \ tbl->log2_num_buckets++; \ tbl->buckets = _he_new_buckets; \ tbl->ineff_expands = (tbl->nonideal_items > (tbl->num_items >> 1)) ? \ (tbl->ineff_expands+1) : 0; \ if (tbl->ineff_expands > 1) { \ tbl->noexpand=1; \ uthash_noexpand_fyi(tbl); \ } \ uthash_expand_fyi(tbl); \ } while(0) /* This is an adaptation of Simon Tatham's O(n log(n)) mergesort */ /* Note that HASH_SORT assumes the hash handle name to be hh. * HASH_SRT was added to allow the hash handle name to be passed in. */ #define HASH_SORT(head,cmpfcn) HASH_SRT(hh,head,cmpfcn) #define HASH_SRT(hh,head,cmpfcn) \ do { \ unsigned _hs_i; \ unsigned _hs_looping,_hs_nmerges,_hs_insize,_hs_psize,_hs_qsize; \ struct UT_hash_handle *_hs_p, *_hs_q, *_hs_e, *_hs_list, *_hs_tail; \ if (head) { \ _hs_insize = 1; \ _hs_looping = 1; \ _hs_list = &((head)->hh); \ while (_hs_looping) { \ _hs_p = _hs_list; \ _hs_list = NULL; \ _hs_tail = NULL; \ _hs_nmerges = 0; \ while (_hs_p) { \ _hs_nmerges++; \ _hs_q = _hs_p; \ _hs_psize = 0; \ for ( _hs_i = 0; _hs_i < _hs_insize; _hs_i++ ) { \ _hs_psize++; \ _hs_q = (UT_hash_handle*)((_hs_q->next) ? \ ((void*)((char*)(_hs_q->next) + \ (head)->hh.tbl->hho)) : NULL); \ if (! (_hs_q) ) break; \ } \ _hs_qsize = _hs_insize; \ while ((_hs_psize > 0) || ((_hs_qsize > 0) && _hs_q )) { \ if (_hs_psize == 0) { \ _hs_e = _hs_q; \ _hs_q = (UT_hash_handle*)((_hs_q->next) ? \ ((void*)((char*)(_hs_q->next) + \ (head)->hh.tbl->hho)) : NULL); \ _hs_qsize--; \ } else if ( (_hs_qsize == 0) || !(_hs_q) ) { \ _hs_e = _hs_p; \ _hs_p = (UT_hash_handle*)((_hs_p->next) ? \ ((void*)((char*)(_hs_p->next) + \ (head)->hh.tbl->hho)) : NULL); \ _hs_psize--; \ } else if (( \ cmpfcn(DECLTYPE(head)(ELMT_FROM_HH((head)->hh.tbl,_hs_p)), \ DECLTYPE(head)(ELMT_FROM_HH((head)->hh.tbl,_hs_q))) \ ) <= 0) { \ _hs_e = _hs_p; \ _hs_p = (UT_hash_handle*)((_hs_p->next) ? \ ((void*)((char*)(_hs_p->next) + \ (head)->hh.tbl->hho)) : NULL); \ _hs_psize--; \ } else { \ _hs_e = _hs_q; \ _hs_q = (UT_hash_handle*)((_hs_q->next) ? \ ((void*)((char*)(_hs_q->next) + \ (head)->hh.tbl->hho)) : NULL); \ _hs_qsize--; \ } \ if ( _hs_tail ) { \ _hs_tail->next = ((_hs_e) ? \ ELMT_FROM_HH((head)->hh.tbl,_hs_e) : NULL); \ } else { \ _hs_list = _hs_e; \ } \ _hs_e->prev = ((_hs_tail) ? \ ELMT_FROM_HH((head)->hh.tbl,_hs_tail) : NULL); \ _hs_tail = _hs_e; \ } \ _hs_p = _hs_q; \ } \ _hs_tail->next = NULL; \ if ( _hs_nmerges <= 1 ) { \ _hs_looping=0; \ (head)->hh.tbl->tail = _hs_tail; \ DECLTYPE_ASSIGN(head,ELMT_FROM_HH((head)->hh.tbl, _hs_list)); \ } \ _hs_insize *= 2; \ } \ HASH_FSCK(hh,head); \ } \ } while (0) /* This function selects items from one hash into another hash. * The end result is that the selected items have dual presence * in both hashes. There is no copy of the items made; rather * they are added into the new hash through a secondary hash * hash handle that must be present in the structure. */ #define HASH_SELECT(hh_dst, dst, hh_src, src, cond) \ do { \ unsigned _src_bkt, _dst_bkt; \ void *_last_elt=NULL, *_elt; \ UT_hash_handle *_src_hh, *_dst_hh, *_last_elt_hh=NULL; \ ptrdiff_t _dst_hho = ((char*)(&(dst)->hh_dst) - (char*)(dst)); \ if (src) { \ for(_src_bkt=0; _src_bkt < (src)->hh_src.tbl->num_buckets; _src_bkt++) { \ for(_src_hh = (src)->hh_src.tbl->buckets[_src_bkt].hh_head; \ _src_hh; \ _src_hh = _src_hh->hh_next) { \ _elt = ELMT_FROM_HH((src)->hh_src.tbl, _src_hh); \ if (cond(_elt)) { \ _dst_hh = (UT_hash_handle*)(((char*)_elt) + _dst_hho); \ _dst_hh->key = _src_hh->key; \ _dst_hh->keylen = _src_hh->keylen; \ _dst_hh->hashv = _src_hh->hashv; \ _dst_hh->prev = _last_elt; \ _dst_hh->next = NULL; \ if (_last_elt_hh) { _last_elt_hh->next = _elt; } \ if (!dst) { \ DECLTYPE_ASSIGN(dst,_elt); \ HASH_MAKE_TABLE(hh_dst,dst); \ } else { \ _dst_hh->tbl = (dst)->hh_dst.tbl; \ } \ HASH_TO_BKT(_dst_hh->hashv, _dst_hh->tbl->num_buckets, _dst_bkt); \ HASH_ADD_TO_BKT(_dst_hh->tbl->buckets[_dst_bkt],_dst_hh); \ (dst)->hh_dst.tbl->num_items++; \ _last_elt = _elt; \ _last_elt_hh = _dst_hh; \ } \ } \ } \ } \ HASH_FSCK(hh_dst,dst); \ } while (0) #define HASH_CLEAR(hh,head) \ do { \ if (head) { \ uthash_free((head)->hh.tbl->buckets, \ (head)->hh.tbl->num_buckets*sizeof(struct UT_hash_bucket)); \ uthash_free((head)->hh.tbl, sizeof(UT_hash_table)); \ (head)=NULL; \ } \ } while(0) #ifdef NO_DECLTYPE #define HASH_ITER(hh,head,el,tmp) \ for((el)=(head), (*(char**)(&(tmp)))=(char*)((head)?(head)->hh.next:NULL); \ el; (el)=(tmp),(*(char**)(&(tmp)))=(char*)((tmp)?(tmp)->hh.next:NULL)) #else #define HASH_ITER(hh,head,el,tmp) \ for((el)=(head),(tmp)=DECLTYPE(el)((head)?(head)->hh.next:NULL); \ el; (el)=(tmp),(tmp)=DECLTYPE(el)((tmp)?(tmp)->hh.next:NULL)) #endif /* obtain a count of items in the hash */ #define HASH_COUNT(head) HASH_CNT(hh,head) #define HASH_CNT(hh,head) ((head)?((head)->hh.tbl->num_items):0) typedef struct UT_hash_bucket { struct UT_hash_handle *hh_head; unsigned count; /* expand_mult is normally set to 0. In this situation, the max chain length * threshold is enforced at its default value, HASH_BKT_CAPACITY_THRESH. (If * the bucket's chain exceeds this length, bucket expansion is triggered). * However, setting expand_mult to a non-zero value delays bucket expansion * (that would be triggered by additions to this particular bucket) * until its chain length reaches a *multiple* of HASH_BKT_CAPACITY_THRESH. * (The multiplier is simply expand_mult+1). The whole idea of this * multiplier is to reduce bucket expansions, since they are expensive, in * situations where we know that a particular bucket tends to be overused. * It is better to let its chain length grow to a longer yet-still-bounded * value, than to do an O(n) bucket expansion too often. */ unsigned expand_mult; } UT_hash_bucket; /* random signature used only to find hash tables in external analysis */ #define HASH_SIGNATURE 0xa0111fe1 #define HASH_BLOOM_SIGNATURE 0xb12220f2 typedef struct UT_hash_table { UT_hash_bucket *buckets; unsigned num_buckets, log2_num_buckets; unsigned num_items; struct UT_hash_handle *tail; /* tail hh in app order, for fast append */ ptrdiff_t hho; /* hash handle offset (byte pos of hash handle in element */ /* in an ideal situation (all buckets used equally), no bucket would have * more than ceil(#items/#buckets) items. that's the ideal chain length. */ unsigned ideal_chain_maxlen; /* nonideal_items is the number of items in the hash whose chain position * exceeds the ideal chain maxlen. these items pay the penalty for an uneven * hash distribution; reaching them in a chain traversal takes >ideal steps */ unsigned nonideal_items; /* ineffective expands occur when a bucket doubling was performed, but * afterward, more than half the items in the hash had nonideal chain * positions. If this happens on two consecutive expansions we inhibit any * further expansion, as it's not helping; this happens when the hash * function isn't a good fit for the key domain. When expansion is inhibited * the hash will still work, albeit no longer in constant time. */ unsigned ineff_expands, noexpand; uint32_t signature; /* used only to find hash tables in external analysis */ #ifdef HASH_BLOOM uint32_t bloom_sig; /* used only to test bloom exists in external analysis */ uint8_t *bloom_bv; char bloom_nbits; #endif } UT_hash_table; typedef struct UT_hash_handle { struct UT_hash_table *tbl; void *prev; /* prev element in app order */ void *next; /* next element in app order */ struct UT_hash_handle *hh_prev; /* previous hh in bucket order */ struct UT_hash_handle *hh_next; /* next hh in bucket order */ void *key; /* ptr to enclosing struct's key */ unsigned keylen; /* enclosing struct's key len */ unsigned hashv; /* result of hash-fcn(key) */ } UT_hash_handle; #endif /* UTHASH_H */ archivemount-0.8.5/aclocal.m40000664000175000017500000013473312543551707013037 00000000000000# generated automatically by aclocal 1.14.1 -*- Autoconf -*- # Copyright (C) 1996-2013 Free Software Foundation, Inc. # 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. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) m4_ifndef([AC_AUTOCONF_VERSION], [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],, [m4_warning([this file was generated for autoconf 2.69. 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"write failure creating $CONFIG_STATUS" "$LINENO" 5 # configure is writing to config.log, and then calls config.status. # config.status does its own redirection, appending to config.log. # Unfortunately, on DOS this fails, as config.log is still kept open # by configure, so config.status won't be able to write to it; its # output is simply discarded. So we exec the FD to /dev/null, # effectively closing config.log, so it can be properly (re)opened and # appended to by config.status. When coming back to configure, we # need to make the FD available again. if test "$no_create" != yes; then ac_cs_success=: ac_config_status_args= test "$silent" = yes && ac_config_status_args="$ac_config_status_args --quiet" exec 5>/dev/null $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false exec 5>>config.log # Use ||, not &&, to avoid exiting from the if with $? = 1, which # would make configure fail if this is the last instruction. $ac_cs_success || as_fn_exit 1 fi if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} fi archivemount-0.8.5/CHANGELOG0000664000175000017500000000502412544015433012367 00000000000000* 0.8.5 - fixed stat'ing of hardlinks in ar_readdir - contributions by Alain Parmentier: * FormatRaw optimization * bugfix : use of off_t to support 64bits * 0.8.4 - added option -o formatraw for readonly support of the FormatRaw archive files supported by libarchive (kudos to Lee Leahu) - bugfix: do not do the fuse mount when the archive cannot be read (also kudos to Lee Leahu) * 0.8.3 - do not call fuse_main anymore - force fuse into single-threaded mode due to libarchive not being thread-safe Both patches contributed by Timothy Hobbs , who found them in the Fedora RPM. * 0.8.2 - added nosave option, contributed by Timothy Hobbs * 0.8.1 - added missing header file * 0.8.0 - contributions by Tomáš Čech : * Allow mounting only subtree of archive, strip common part of path in that case. * 0.7.0 - contributions by Andrew Brampton: * simplifications in the code * speedup by using hashes * 0.6.2 - contributions by Niels de Vos: * exchanged posix_rwlocks against mutexes to finally get rid of the crashes * replaced some accidental indentations with space against proper tabs * 0.6.1 - clarified licensing issue (thanks to Niels de Vos for pointing it out) * 0.6.0 - contributions by Thomas J. Duck: * autoconf/automake support * bug reports and fixes for mac-fuse many thanks for this! * 0.5.3 - bugfix: copying a file into a mounted archive failed when target existed and was not modified before. Fixed that. * 0.5.2 - bugfix: fix for archives that contain files inside directories before the directory entry itself * 0.5.1 - bugfix: when filenames inside an archive started with "./" they were not shown. Fixed that. * 0.5.0 - bugfix: everytime a file was created where the uid or gid could not be resolved into a user/group name, the previous version crashed * 0.4.0 - write support (everything but symlinks); NO GUARANTEE FOR YOUR DATA - the usual amount of bug fixes - new parameter "-v" / "--version" - made dist-target in Makefile work - version numbers have three parts now, major, minor and release * 0.3 - preliminary write support (metadata only) - many many bugfixes, especially reading works now more than once.. * 0.2 - major code cleanup - implemented ar_readlink() * 0.1 - initial release, read-only support