sipcalc-1.1.5/0000777000175000017500000000000011231153166010140 500000000000000sipcalc-1.1.5/README0000644000175000017500000000415107473526222010747 00000000000000Sipcalc is an "advanced" console based ip subnet calculator. ** NOTE ** The cgi part of sipcalc has been removed in this release. I plan on reviving it at a later point, but at this time i don't have the motivation to keep it up to date. ** Features include: - IPv4 * Multiple address and netmask input formats. * Retrieving of address information from interfaces. * Classfull and CIDR output. * Multiple address and netmask output formats (dotted quad, hex, number of bits). * Output of broadcast address, network class, Cisco wildcard, hosts/range, network range. * Output of multiple types of bitmaps. * Output of a userdefined number of extra networks. * Multiple networks input from commandline. * Parsing of a newline seperated list of networks from standard input (STDIN). * The ability to "split" a network based on a smaller netmask, now also with recursive runs on the generated subnets. * DNS resolution. - IPv6 * Compressed and expanded input addresses. * Compressed and expanded output. * Standard IPv6 network output. * v4 in v6 output. * Reverse dns address generation. * The ability to "split" a network based on a smaller netmask, now also with recursive runs on the generated subnets. * DNS resolution. Sipcalc has been tested on the following platforms. * OpenBSD 3.0 (i386) * OpenBSD 2.8 (i386) * FreeBSD 4.3 (i386) * Compaq Tru64 UNIX V5.0A (Alpha) * Compaq Tru64 UNIX V5.1 (Alpha) * Debian GNU/Linux 2.2 (Linux kernel 2.2.x) (i386) * Debian GNU/Linux 2.4(?) (Linux kernel 2.4.x) (i386) * Debian GNU/Linux 2.2 (Linux kernel 2.2.x) (Alpha) * Debian GNU/Linux 2.2 (Linux kernel 2.2.x) (Sparc - Ultra60) * Sun Solaris (8) (Sparc - R220) See doc/sipcalc.txt for a complete description of sipcalc commandline-version arguments. Building. Building sipcalc is as simple as: ./configure make make install Further instructions on using configure can be found in the file INSTALL included with the sipcalc package. Please send any bugreports, feature requests or comments to simon@routemeister.net. 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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. $ac_cs_success || { (exit 1); exit 1; } fi if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then { $as_echo "$as_me:$LINENO: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} fi sipcalc-1.1.5/AUTHORS0000644000175000017500000000005307274045037011133 00000000000000* Simon Ekstrand (simon@routemeister.net) sipcalc-1.1.5/COPYING0000644000175000017500000000256207636060267011131 00000000000000Copyright (c) 2003 Simon Ekstrand All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. The name of the author may not be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. sipcalc-1.1.5/ChangeLog0000644000175000017500000000712011231153035011621 00000000000000Mon Jul 20 22:38:14 CET 2009 * Compilation fix for GCC 4.4, patch from Artem Zolochevskiy. * Compilation fix Sun Studio 11 on Solaris 8 x86, patch from Ian Dickinson. * Version 1.1.5 Fri Nov 10 11:05:06 CET 2006 * Fixed a bunch of compiler warnings when compiling with -Wall. Thanks to the sipcalc Debian package maintainer Adriaan Peeters for the heads up. * Version 1.1.4 Wed Nov 2 10:03:00 CET 2005 * Fixed typos in sipcalc man page, thanks to A Costa for patch. * Added -w ipv4 option to display some inverse mask information. Wed Mar 19 13:27:32 CET 2003 * Changed stuff around to be compatible with newer version of autoconf. * Updated ipv6 reverse dns output to use the domain ip6.arpa instead of ip6.int, thanks to Måns Nilsson for bringing this to my attention. * Change license from GPL to BSD, see COPYING for details. * Version 1.1.2 Fri May 24 23:05:42 CEST 2002 * Removed web (cgi) support for now. * Version 1.1.1 Tue Apr 16 23:03:23 CEST 2002 * Some minor bugfixing. * Verified MacOSX support, no ipv6 dns resolution though. * Version 1.1.1-pre2 Mon Apr 8 20:18:24 CEST 2002 * Rewrote much of the argument handling. * Rewrote much of the DNS parsing. * Multiple addresses for a resolved host are now supported, both with ipv4 and ipv6. * DNS resolution now works with stdin parsing. * Version 1.1.1-pre1 Thu Apr 4 23:01:30 CEST 2002 * Fixed improper parsing of subnetmask in some cases where dns resolution and the -4 argument was used. Mon Mar 11 14:22:15 CET 2002 * Version 1.1.0 * See NEWS for details. Sat Mar 9 21:47:34 CET 2002 * Added use of dns resolution. * Version 1.1.0-pre4 Sun Jan 13 20:25:09 CET 2002 * Fixed sipcalc cgi-script. * Multiple other minor fixes. * Version 1.1.0-pre1 Fri Jan 4 02:00:45 CET 2002 * Added preliminary IPv6 support, functionallity so far is basic IPv6 info, v4inv6 info and split network functions. * Version 1.0.4-pre1 Thu Dec 13 23:13:01 CET 2001 * Finally added a manpage. * Several minor changes to documentation * Version 1.0.3 Fri Jul 13 22:12:06 CEST 2001 * Some minor cosmetic changes. * Added split-network to sipcalc-www. * Split-network commandline parsing bugfixes. * Version 1.0.2 This should really be good enough for a stable release, though sipcalc-www needs more cleaning. Fri Jun 29 19:32:50 CEST 2001 * Lots of Solaris compile fixes (u_int32_t, libsocket, SIOCGIFADDR ...), sipcalc compiles fine on Solaris now. * Fixed getopt_long support for freebsd. * Interface detection was broken on Linux-alpha due to one of the unions in struct ifreq being larger on 64bit then 32bit architectures. Should now hopefully be fixed in a completely portable manner. * Lots of minor fixes for multiple architectures (made good use of the sourceforge compile farm). * Version 1.0.2b7 Sun May 13 23:37:09 CEST 2001 * Build process now uses configure. * Version 1.0.2b1 Thu May 10 19:40:27 CEST 2001 * Support for stdin parsing complete. * Multiple addresses/interfaces on commandline supported. * Changed to getopt for argument handling. Sat May 5 01:09:19 CEST 2001 * The interface code now (hopefully) handles interfaces with multiple addresses correctly. Wed May 2 18:38:56 CEST 2001 * Changed to u_int32_t for extra portability, this also fixed support for alpha (tru64). * Version 1.0.1 Sat Mar 3 00:07:59 CEST 2001 * Added support for "reverse engineering" of interfaces. Thu Feb 18 20:35:49 CEST 2001 * First commit of web (cgi) support. Wed Feb 10 16:55:14 CEST 2001 * Initial commit. sipcalc-1.1.5/INSTALL0000644000175000017500000001722707277500615011130 00000000000000Basic Installation ================== These are generic installation instructions. The `configure' shell script attempts to guess correct values for various system-dependent variables used during compilation. It uses those values to create a `Makefile' in each directory of the package. It may also create one or more `.h' files containing system-dependent definitions. 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The simplest way to compile this package is: 1. `cd' to the directory containing the package's source code and type `./configure' to configure the package for your system. If you're using `csh' on an old version of System V, you might need to type `sh ./configure' instead to prevent `csh' from trying to execute `configure' itself. Running `configure' takes awhile. While running, it prints some messages telling which features it is checking for. 2. Type `make' to compile the package. 3. Optionally, type `make check' to run any self-tests that come with the package. 4. Type `make install' to install the programs and any data files and documentation. 5. You can remove the program binaries and object files from the source code directory by typing `make clean'. To also remove the files that `configure' created (so you can compile the package for a different kind of computer), type `make distclean'. There is also a `make maintainer-clean' target, but that is intended mainly for the package's developers. If you use it, you may have to get all sorts of other programs in order to regenerate files that came with the distribution. Compilers and Options ===================== Some systems require unusual options for compilation or linking that the `configure' script does not know about. You can give `configure' initial values for variables by setting them in the environment. Using a Bourne-compatible shell, you can do that on the command line like this: CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure Or on systems that have the `env' program, you can do it like this: env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure Compiling For Multiple Architectures ==================================== You can compile the package for more than one kind of computer at the same time, by placing the object files for each architecture in their own directory. 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If you are building compiler tools for cross-compiling, you can also use the `--target=TYPE' option to select the type of system they will produce code for and the `--build=TYPE' option to select the type of system on which you are compiling the package. Sharing Defaults ================ If you want to set default values for `configure' scripts to share, you can create a site shell script called `config.site' that gives default values for variables like `CC', `cache_file', and `prefix'. `configure' looks for `PREFIX/share/config.site' if it exists, then `PREFIX/etc/config.site' if it exists. Or, you can set the `CONFIG_SITE' environment variable to the location of the site script. A warning: not all `configure' scripts look for a site script. Operation Controls ================== `configure' recognizes the following options to control how it operates. `--cache-file=FILE' Use and save the results of the tests in FILE instead of `./config.cache'. Set FILE to `/dev/null' to disable caching, for debugging `configure'. `--help' Print a summary of the options to `configure', and exit. `--quiet' `--silent' `-q' Do not print messages saying which checks are being made. To suppress all normal output, redirect it to `/dev/null' (any error messages will still be shown). `--srcdir=DIR' Look for the package's source code in directory DIR. Usually `configure' can determine that directory automatically. `--version' Print the version of Autoconf used to generate the `configure' script, and exit. `configure' also accepts some other, not widely useful, options. sipcalc-1.1.5/NEWS0000644000175000017500000000037211231152657010561 00000000000000* News in version 1.1.1 sipcalc-www has been removed, some README for further details. * News in version 1.1.1[-pre-x]. Bugfixes. Support for multiple returned records while doing dns resolution. Verified MacOSX support. Fixed the stdin parsing. sipcalc-1.1.5/TODO0000644000175000017500000000076407457353504010570 00000000000000* Use more OS-specific ways to retrieve interface information so that we can also parse interfaces that aren't handled by the struct ifreq stuff. We probably need this to handle ipv6 interface address information which doesn't work today. * IPv6 name resolution is untested on Solaris due to lack of a machine to try this on. I'd love to hear from anyone that trys this. * Same as above for MacOSX. * Make validate_v4addr, validate_v6addr and validate netmask use the same returncodes. sipcalc-1.1.5/depcomp0000755000175000017500000004271311231153144011434 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'. 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[INTERFACE]... | [-]> Description of common output: IPv4 - Host address - The given host address. Network address - The first address in a given range, unusable for hosts under normal conditions. Network mask - The network mask (netmask) used to specify the size of a given subnet, usually represented in three different formats: dotted quad (xxx.xxx.xxx.xxx) hex (0xnnnnnnnn) bits (/n where n >= 0 <= 32) Broadcast address - The broadcast address of a given subnet, usually the last address in a range. Cisco wildcard - The inverted value of the netmask (netmask ^ 0xffffffff). This value is commonly used in for example access- lists on routers. Addresses in network - The number of addresses in the given subnet. Network range - The full subnet range. Usable range - The range in the given subnet that is commonly used for normal hosts. IPv6 - Expanded Address - The full expanded IPv6 address. Compressed address - The IPv6 address compressed in the most efficient way possible. Subnet prefix - The prefix of the address (in relation to the netmask), the suffix of the address is zeroed out. Address ID - The suffix of the address (in relation to the netmask), the prefix of the address is zeroed out. Prefix address - The IPv6 equivalent of the IPv4 netmask. Prefix length - Number of bits set in the netmask. Address type - The address type as defined in RFC2373. Comment - Some addresses will have comments from the author :) Network range - The start and end addresses of the subnet. Expanded v4inv6 address - The full expanded IPv6 address in v4inv6 format. Compr. v4inv6 address - The compressed IPv6 address in v4inv6 format. Reverse DNS - The address in IPv6 reverse DNS form. Commandline options: [OPTIONS]... * -a, --all Give all possible information about an adress or interface, this is equivalent to giving the flags -b -c -i -n 0 for IPv4 and -e -r -t for IPv6. * -b, --cidr-bitmap (IPv4) Show a CIDR based bitmap of the following output: - host address - network address - network mask - broadcast address - cisco wildcard - network range - usable range * -c, --classfull-addr (IPv4) Show classfull address information for the following values: - host address - host address (decimal) - host address (hex) - network address - network class - network mask - network mask (hex) - broadcast address * -d, --resolv Enable DNS resolution of commandline hostnames, both IPv4 and IPv6 support if present. * -e, --v4inv6 (IPv6) v4inv6 output for the following values: - Expanded v4inv6 address - Compr. v4inv6 address - Comment * -h, --help Display the commandline help. * -i, --cidr-addr (the default commandline option for IPv4) (IPv4) Show CIDR address information for the following values: - host address - host address (decimal) - host address (hex) - network address - network mask - network mask (bits) - network mask (hex) - Broadcast address - cisco wildcard - addresses in network - network range - usable range * -I, --addr-int=INT Explicitly add an interface. This can be used to circumvent the sipcalc "smart parsing" of addresses/ interfaces on the commandline. This can be useful if you for example for some reason have an interface with the same name as an actual address, eg. 127.0.0.1 or ::1 etc. See also: -4 -6. * -n, --subnets=NUM Display NUM extra subnets (starting from the current subnet). Will display all subnets in the current /24 if NUM is 0. * -r, --v6rev (IPv6) IPv6 reverse DNS output for the following values: - Reverse DNS * -s, --v4split=MASK (IPv4) Split the current network into subnets of MASK size. MASK can be given in dotted quad, hex or CIDR form, either with or without the '/' character. * -S, --v6split=MASK (IPv6) Split the current network into subnets of MASK size. MASK must be given in CIDR form, either with or with the '/' character. * -t, --v6-standard (IPv6) Default IPv6 output containing the following values: - Expanded Address - Compressed address - Subnet prefix (masked) - Address ID (masked) - Prefix address - Prefix length - Address type - Network range * -u --split-verbose This will put network splitting into verbose mode. This means that all the subnets generated when splitting a network will be passed back to sipcalc for explicit parsing giving the same output as if the address had been given on the commandline. All options passed to sipcalc on the commandline will also be inherited when the subnet is passed back to sipcalc for parsing, with one exception, the -s/-S flag, we don't want an endless loop. Sending only the -s/-S and -u flags to sipcalc will give the default output (-i for ipv4 and -t for ipv6). * -v, --version Display sipcalc version. * -w, --wildcard Takes a cisco wildcard (inverse mask) and display the corresponding regular netmask and netmask bit count. * -x, --classful-bitmap (IPv4) Show a classfull bitmap of the following output: - network address - network mask * -4, --addr-ipv4=ADDR Explicitly add an IPv4 address. See also: -I -6. * -6, --addr-ipv6=ADDR Explicitly add an IPv6 address. See also: -I -4. <[ADDRESS]... [INTERFACE]... | [-]> * address IPv4 - Address must be given in the "standard" dotted quad format, ie.: xxx.xxx.xxx.xxx and prepended with a netmask the can be given in three different ways: - CIDR, ex. /n where n >= 0 <= 32. - Dotted quad, ex. xxx.xxx.xxx.xxx. - A hex value, ex 0xnnnnnnnn or nnnnnnnn. IPv6 - Addresses may be given in any of the forms defined in RFC2373, the netmask must be given in CIDR notion. Valid values for the netmask range from n >= 0 <= 128, default value if netmask is omitted is 128. Examples: - 1:2:3:4:5:6:7:8 - 1:2:3:4:5:6:7:8/64 - ::1/64 - ::1.2.3.4/64 etc. * interface Instead of taking address information from the commandline sipcalc can obtain relevant information by looking at a specified interface on the system. Sipcalc then uses this information to calculate output values. This option currently only works for IPv4 addresses, work is being done to support IPv6 here also. * - Further arguments will be read from stdin, this can be useful for example for cat(1)'ing a list of addresses stored in a file to sipcalc. Related documents: RFC 1878: Variable Length Subnet Table For IPv4. RFC 1517: Applicability Statement for the Implementation of CIDR. RFC 1518: An Architecture for IP Address Allocation with CIDR. RFC 1519: CIDR: An Address Assignment and Aggregation Strategy. RFC 1520: Exchanging Routing Information Across Provider Boundaries in the CIDR Environment. RFC 2373: IP Version 6 Addressing Architecture. RFC 2374: An IPv6 Aggregatable Global Unicast Address Format. sipcalc-1.1.5/doc/sipcalc.10000644000175000017500000002057210332111020012307 00000000000000.\" To process this file use: groff -man -Tascii sipcalc.1 .TH SIPCALC 1 "19 January 2002" .SH NAME sipcalc \- IP subnet calculator .SH SYNOPSIS .B sipcalc [ .B -abcdehiInrsStuvx46 ] <[ADDRESS] [INTERFACE] ... | [ .B - ]> .SH DESCRIPTION .B Sipcalc is an ip subnet calculator consisting of two parts. A plain text based console version, and web (cgi) based counterpart. This manpage only addresses the console based version. Sipcalc, in it's simplest form takes an ip-address and a subnet mask on the commandline and outputs information about the subnet. Sipcalc has support for both IPv4 and IPv6 addresses. .B Sipcalc can take input in three forms, an ip-address/netmask, an interface or via stdin using the special character -. .IP Address-IPv4 Address must be given in the "standard" dotted quad format, ie.: xxx.xxx.xxx.xxx and prepended with a netmask the can be given in three different ways: - CIDR, ex. /n where n >= 0 <= 32. - Dotted quad, ex. xxx.xxx.xxx.xxx. - A hex value, ex 0xnnnnnnnn or nnnnnnnn. .IP Address-IPv6 Addresses may be given in any of the forms defined in RFC2373, the netmask (prefix) must be given in CIDR notion. Valid values for the netmask range from n >= 0 <= 128, default value if netmask is omitted is 128. .IP Interface Instead of taking address information from the commandline sipcalc can obtain relevant information by looking at a specified interface on the system. Sipcalc then uses this information to calculate output values. This option is currently only available for IPv4 addresses, work is being done to support IPv6 here also. .IP - Further arguments will be read from stdin, this can be useful for example for .BR cat (1) ing a list of addresses stored in a file to sipcalc. Each line sent to sipcalc should contain one address/netmask or interface. .PP Any number/combination of Address and Interface arguments can exist on the commandline, however, the special character .B - must be the first argument or it will be parsed as an interface. All options following the - character will be discarded. Features (IPv4) - .IP * Multiple address and netmask input formats. .IP * Retrieving of address information from interfaces. .IP * Classfull and CIDR output. .IP * Multiple address and netmask output formats (dotted quad, hex, number of bits). .IP * Output of broadcast address, network class, Cisco wildcard, hosts/range, network range. .IP * Output of multiple types of bitmaps. .IP * Output of a user-defined number of extra networks. .IP * Multiple networks input from commandline. .IP * DNS resolutions of hostnames. .IP * Parsing of a newline separated list of networks from standard input (STDIN). .IP * The ability to "split" a network based on a smaller netmask, also with recursive runs on the generated subnets. .PP Features (IPv6) - .IP * Compressed and expanded input addresses. .IP * Compressed and expanded output. .IP * Standard IPv6 network output. .IP * v4 in v6 output. .IP * Reverse dns address generation. .IP * DNS resolutions of hostnames. .IP * The ability to "split" a network based on a smaller netmask, also with recursive runs on the generated subnets. .PP Output. Sipcalc output is divided into sections and subsections. Each section starts with the string "-[type : INPUT] - n" where type can be one of int-ipv4, ipv6, ipv4. INPUT is one input option from the commandline and n is the number of the section that this input option has produced currently displayed. Currently the only input option that produces multiple output sections is an interface with multiple addresses. A subsection starts with the string "[IDENTIFIER]", where IDENTIFIER is an identifier for the subsection type. The subsection types are based on the used commandline options. Sections always en with the single character '-' alone on a line. Worth mentioning is also that sections can include not only subsections, but also other sections, this currently only happen when the -u and -s/-S options are used. Warnings/errors etc. can also be displayed in the form -[type : message]. Description of common output: [IPv4] .IP "Host address" The given host address. .IP "Network address" The first address in a given range, unusable for hosts under normal conditions. .IP "Network mask" The network mask (netmask) used to specify the size of a given subnet, usually represented in three different formats: dotted quad (xxx.xxx.xxx.xxx) hex (0xnnnnnnnn) bits (/n where n >= 0 <= 32) .IP "Broadcast address" The broadcast address of a given subnet, usually the last address in a range. .IP "Cisco wildcard" The inverted value of the netmask (netmask ^ 0xffffffff). This value is commonly used in for example access-lists on routers. .IP "Addresses in network" The number of addresses in the given subnet. .IP "Network range" The full subnet range. .IP "Usable range" The range in the given subnet that is commonly used for normal hosts. .PP [IPv6] .IP "Expanded Address" The full expanded IPv6 address. .IP "Compressed address" The IPv6 address compressed in the most efficient way possible. .IP "Subnet prefix" The prefix of the address (in relation to the netmask), the suffix of the address is zeroed out. .IP "Address ID" The suffix of the address (in relation to the netmask), the prefix of the address is zeroed out. .IP "Prefix address" The IPv6 equivalent of the IPv4 netmask. .IP "Prefix length" Number of bits set in the netmask. .IP "Address type" The address type as defined in RFC2373. .IP "Comment" Some addresses will have comments from the author. .IP "Network range" The start and end addresses of the subnet. .IP "Expanded v4inv6 address" The full expanded IPv6 address in v4inv6 format. .IP "Compr. v4inv6 address" The compressed IPv6 address in v4inv6 format. .IP "Reverse DNS" The address in IPv6 reverse DNS form. .PP .SH OPTIONS .IP "-a, --all" Give all possible information about an address or interface, this is equivalent to giving the flags -b -c -i -n 0 for IPv4 and -e -r -t for IPv6. .IP "-b, --cidr-bitmap (IPv4)" Display CIDR based bitmaps. .IP "-c, --classfull-addr (IPv4)" Display classfull address information. .IP "-d, --resolve" Enable name resolution. .IP "-e, --v4inv6 (IPv6)" Display v4inv6 address information. .IP "-h, --help" Display the commandline help. .IP "-i, --cidr-addr (default IPv4)" Display CIDR address information. .IP "-I, --addr-int=INT" Explicitly add an interface. This can be used to circumvent the sipcalc "smart parsing" of addresses/interfaces on the commandline. This can be useful if you for example for some reason have an interface with the same name as an actual address, eg. 127.0.0.1 or ::1 etc. See also: -4 -6. .IP "-n, --subnets=NUM" Display NUM extra subnets (starting from the current subnet). Will display all subnets in the current /24 if NUM is 0. .IP "-r, --v6rev (IPv6) Display IPv6 reverse DNS information. .IP "-s, --v4split=MASK (IPv4)" Split the current network into subnets of MASK size. MASK can be given in dotted quad, hex or CIDR form. .IP "-S, --v6split=MASK (IPv6)" Split the current network into subnets of MASK size. MASK must be given in CIDR form, either with or with the '/' character. .IP "-t, --v6-standard (default IPv6)" Display IPv6 address information. .IP "-u, --split-verbose" This will put network splitting into verbose mode. This means that all the subnets generated when splitting a network will be passed back to sipcalc for explicit parsing giving the same output as if the address had been given on the commandline. All options passed to sipcalc on the commandline will also be inherited when the subnet is passed back to sipcalc for parsing, with one exception, the -s/-S flag, we don't want an endless loop. Sending only the -s/-S and -u flags to sipcalc will give the default output (-i for ipv4 and -t for ipv6). .IP "-v, --version" Display version information. .IP "-w, --wildcard" Takes a cisco wildcard (inverse mask) and display the corresponding regular netmask and netmask bit count. .IP "-x, --classful-bitmap (IPv6)" Display a classfull bitmap. .IP "-4, --addr-ipv4=ADDR" Explicitly add an IPv4 address. See also: -I -6. .IP "-6, --addr-ipv6=ADDR" Explicitly add an IPv6 address. See also: -I -4. .PP .SH BUGS Probably lots. Known missing features include getting IPv6 addresses from interfaces and implementing the -n option for IPv6 addresses. Please send any bugs, feature requests, patches, comments etc. to simon@routemeister.net. .SH URL Sipcalc can be downloaded from http://www.routemeister.net/ .SH AUTHOR Simon Ekstrand . sipcalc-1.1.5/doc/install.txt0000644000175000017500000000011407473526222013036 00000000000000Building. 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void show_split_networks_v4 (struct if_info *ifi, u_int32_t splitmask, int v4args, struct misc_args m_argv4); int show_networks_v4 (struct if_info *ifi, int count); void print_cf_info_v4 (struct if_info *ifi); void print_cf_bitmap_v4 (struct if_info *ifi); void print_cidr_info_v4 (struct if_info *ifi); void print_cidr_bitmap_v4 (struct if_info *ifi); void print_comp_v6 (struct sip_in6_addr addr); void print_exp_v4inv6 (struct sip_in6_addr addr); void print_comp_v4inv6 (struct sip_in6_addr addr); void print_exp_v6 (struct sip_in6_addr addr); void print_mixed_v6 (struct sip_in6_addr addr); void print_rev_v6 (struct if_info *ifi); void print_v6 (struct if_info *ifi); void print_v4inv6 (struct if_info *ifi); int v6plus (struct sip_in6_addr *a, struct sip_in6_addr *b); void show_split_networks_v6 (struct if_info *ifi, struct sip_in6_addr splitmask, int v6args, struct misc_args m_argv6); void print_short_help (); void print_help (); void print_version (); #endif /* SUB_O_H */ sipcalc-1.1.5/include/sub.h0000644000175000017500000001325110332103150012430 00000000000000/* * sipcalc, sub.h * * $Id: sub.h,v 1.31 2003/03/19 12:28:15 simius Exp $ * * - * Copyright (c) 2003 Simon Ekstrand * All rights reserved. */ #ifndef SUB_H #define SUB_H #ifdef HAVE_CONFIG_H #include #endif #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_BITYPES_H #include #endif #include #include #ifdef PACKAGE #define NAME PACKAGE #else #define NAME "sipcalc" #endif #if defined(HAVE_GETHOSTBYNAME_NETDB) && !defined(HAVE_GETHOSTBYNAME) #define HAVE_GETHOSTBYNAME #endif #if defined(HAVE_GETHOSTBYNAME2_NETDB) && !defined(HAVE_GETHOSTBYNAME2) #define HAVE_GETHOSTBYNAME #endif #if defined(HAVE_GETADDRINFO_NETDB) && !defined(HAVE_GETADDRINFO) #define HAVE_GETADDRINFO #endif #if !defined(HAVE_U_INT8_T) && defined(HAVE_UINT8_T) #define u_int8_t uint8_t #endif #if defined(HAVE_U_INT8_T) && !defined(HAVE_UINT8_T) #define uint8_t u_int8_t #endif #if !defined(HAVE_U_INT16_T) && defined(HAVE_UINT16_T) #define u_int16_t uint16_t #endif #if defined(HAVE_U_INT16_T) && !defined(HAVE_UINT16_T) #define uint16_t u_int16_t #endif #if !defined(HAVE_U_INT32_T) && defined(HAVE_UINT32_T) #define u_int32_t uint32_t #endif #if defined(HAVE_U_INT32_T) && !defined(HAVE_UINT32_T) #define uint32_t u_int32_t #endif #ifndef PF_UNSPEC #define PF_UNSPEC AF_UNSPEC #endif #ifndef PF_INET #define PF_INET AF_INET #endif #ifndef PF_INET6 #define PF_INET6 AF_INET6 #endif #define V4ADDR_VAL "0123456789." #define V6ADDR_VAL "0123456789ABCDEFabcdef:" #define NETMASK_VAL "0123456789" /* * Easier to define this ourselves then to use all the different * versions from different platforms. */ struct sip_in6_addr { union { uint8_t u6_addr8[16]; uint16_t u6_addr16[8]; uint32_t u6_addr32[4]; } sip_in6_u; #define sip6_addr sip_in6_u.u6_addr8 #define sip6_addr8 sip_in6_u.u6_addr8 #define sip6_addr16 sip_in6_u.u6_addr16 #define sip6_addr32 sip_in6_u.u6_addr32 }; struct v4addr { char class; char class_remark[64]; char pres_bitmap[36]; int n_nmaskbits; u_int32_t n_cbroadcast; u_int32_t n_broadcast; u_int32_t n_cnaddr; u_int32_t n_naddr; u_int32_t n_cnmask; u_int32_t n_nmask; u_int32_t n_haddr; u_int32_t i_broadcast; }; /* * Broadcast in this structure is sort of missleading, since ipv6 networks * don't have broadcast addresses, but it's as good a name as any for the * top address of a subnet. * * Prefix can also be directly translated to a ipv4 network address. */ struct v6addr { char class_remark[64]; char comment[64]; struct sip_in6_addr haddr; int nmaskbits; struct sip_in6_addr nmask; struct sip_in6_addr prefix; struct sip_in6_addr suffix; struct sip_in6_addr broadcast; int type; int real_v4; }; struct if_info { char name[IFNAMSIZ + 1]; char p_v4addr[19], p_v4nmask[16]; char p_v6addr[44]; char errorstr[64]; char cmdstr[128]; short flags; short type; struct v4addr v4ad; struct v6addr v6ad; struct if_info *next; }; struct misc_args { int numnets; u_int32_t splitmask; struct sip_in6_addr v6splitmask; int v6splitnum; }; struct ipv6_split { char ipv6addr[40]; char ipv4addr[16]; char nmask[4]; }; struct argbox { char str[128]; int type; int resolv; struct argbox *next; }; struct dnsresp { char str[128]; int type; struct dnsresp *next; }; #define AT_V4 1 #define AT_V6 2 #define AT_INT 3 #define AT_UNKWN 4 #define IFT_V4 1 #define IFT_V6 2 #define IFT_INTV4 3 #define IFT_INTV6 4 #define IFT_UNKWN 5 /* v4 args */ #define CF_INFO 0x01 #define CF_BITMAP 0x02 #define CIDR_INFO 0x04 #define CIDR_BITMAP 0x08 #define NET_INFO 0x10 #define V4SPLIT 0x20 #define V4VERBSPLIT 0x40 #define C_WILDCARD 0x80 /* v6 args */ #define V6_INFO 0x01 #define V4INV6 0x02 #define V6SPLIT 0x04 #define V6REV 0x08 #define V6VERBSPLIT 0x10 #define V6TYPE_STANDARD 1 #define V6TYPE_V4INV6 2 /* * prototypes */ /* * sub.c */ int out_int (struct if_info *if_cur, struct if_info *ifarg_cur, int v4args, struct misc_args m_argv4, int v6args, struct misc_args m_argv6); int out_cmdline (struct if_info *ifarg_cur, int v4args, struct misc_args m_argv4, int v6args, struct misc_args m_argv6, int recurse, int index); int cleanline (char *sbuf, char *dbuf); int get_stdin (char *args[]); /* * sub-func.c */ int count (char *buf, char ch); int validate_v4addr (char *addr); int validate_netmask (char *in_addr); int getsplitnumv4 (char *buf, u_int32_t * splitmask); int getsplitnumv6 (char *buf, struct sip_in6_addr *splitmask, int *v6splitnum); int quadtonum (char *quad, u_int32_t * num); char *numtoquad (u_int32_t num); char *numtobitmap (u_int32_t num); int parse_addr (struct if_info *ifi); int get_addrv4 (struct if_info *ifi); int get_addrv6 (struct if_info *ifi); int split_ipv6addr (char *addr, struct ipv6_split *spstr); int validate_s_v6addr (char *addr, int type); int getcolon (char *addr, int pos, int type); int v6addrtonum (struct ipv6_split spstr, struct v6addr *in6_addr, int type); int v6masktonum (char *nmask, int *nmaskbits, struct sip_in6_addr *in6_addr); int validate_v6addr (char *addr); int v6addrtoprefix (struct v6addr *in6_addr); int v6addrtosuffix (struct v6addr *in6_addr); int v6addrtobroadcast (struct v6addr *in6_addr); void v6_type (struct v6addr *in6_addr); void v6_comment (struct v6addr *in6_addr); int v6verifyv4 (struct sip_in6_addr addr); char *get_comp_v6 (struct sip_in6_addr addr); int mk_ipv6addr (struct v6addr *in6_addr, char *addr); struct dnsresp *new_dnsresp (struct dnsresp *d_resp); void free_dnsresp (struct dnsresp *d_resp); char *resolve_addr (char *addr, int family, struct dnsresp *); /* * interface.c */ struct if_info *new_if (struct if_info *ifarg_cur); void free_if (struct if_info *ifa); struct if_info *get_if_ext (); #endif /* SUB_H */ sipcalc-1.1.5/src/0000777000175000017500000000000011231153166010727 500000000000000sipcalc-1.1.5/src/Makefile.am0000644000175000017500000000047207473526222012714 00000000000000INCLUDES = -I$(top_srcdir)/include bin_PROGRAMS = sipcalc sipcalc_SOURCES = sub-func.c interface.c sub-output.c sub.c sub-func.o: sub-func.c ../include/sub.h ../include/sub-o.h interface.o: interface.c ../include/sub.h sub-output.o: sub-output.c ../include/sub.h sub.o: sub.c ../include/sub.h ../include/sub-o.h sipcalc-1.1.5/src/Makefile.in0000644000175000017500000003153111231153144012707 00000000000000# Makefile.in generated by automake 1.10.2 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. # This Makefile.in is free software; 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Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ static const char rcsid[] = "$Id: sub-func.c,v 1.28 2003/03/19 12:28:15 simius Exp $"; #ifdef HAVE_CONFIG_H #include #endif #ifdef HAVE_NETDB_H #include #endif #ifdef HAVE_CTYPE_H #include #endif #include #include #include #include #include #include #include #include "sub.h" #include "sub-o.h" int count (char *buf, char ch) { int x, y; y = 0; for (x = 0; x < strlen (buf); x++) if (buf[x] == ch) y++; return y; } /* * 0 error * 1 normal */ int validate_v4addr (char *addr) { int x, y, z, m; char buf[16]; if (strlen (addr) < 7 || strlen (addr) > 15) return 0; x = 0; y = 0; while (x < strlen (addr)) { if (addr[x] == '.') y++; x++; } if (y != 3) return 0; x = 0; y = 0; while (x < strlen (addr)) { z = 0; y = 0; while (z < strlen (V4ADDR_VAL) && !y) { if (addr[x] == V4ADDR_VAL[z]) y = 1; z++; } if (!y) return 0; x++; } if (addr[0] == '.' || addr[strlen (addr) - 1] == '.') return 0; x = 0; while (x < (strlen (addr) - 1)) { if (addr[x] == '.' && addr[x + 1] == '.') return 0; x++; } y = 0; for (x = 0; x < 4; x++) { z = 0; bzero ((char *) buf, 16); while (addr[y] != '.' && y < strlen (addr)) { buf[z] = addr[y]; y++; z++; } if (z > 3) return 0; m = atoi (buf); if (m < 0 || m > 255) return 0; y++; }; return 1; } /* * 0 error * 1 normal * 2 /x * 3 hex */ int validate_netmask (char *in_addr) { int x, y, z, m; char addr[16]; char *sl; u_int32_t sm; if (strlen (in_addr) > 18) return 0; x = 0; y = 0; z = 0; while (x < strlen (in_addr) && !y) { if (!isxdigit (in_addr[x]) && in_addr[x] != 'x' && in_addr[x] != 'X') y = 1; if (in_addr[x] == 'x' || in_addr[x] == 'X') { z++; y = 0; } x++; } x = 0; if (!y && z == 1) { x = 0; if (in_addr[0] == 'x' || in_addr[0] == 'X') x = 1; if (!x) { if (in_addr[0] == '0' && (in_addr[1] == 'x' || in_addr[1] == 'X')) x = 1; } } if (x == 1) return 3; bzero ((char *) addr, 16); if (strstr (in_addr, "/")) { x = 0; while (in_addr[x] != '/' && x < 15) { addr[x] = in_addr[x]; x++; } } else { strncpy (addr, in_addr, 16); } /* * This also calls validate_v4addr. */ if (quadtonum (addr, &sm)) return 0; if (!(sl = strstr (in_addr, "/"))) { y = 0; for (x = 0; x < 32; x++) { if (!y && !((sm >> (31 - x)) & 1)) y = 1; if (y == 1 && ((sm >> (31 - x)) & 1)) y = 2; } if (y == 2) return -1; /* * valid */ return 1; } sl++; if (strlen (sl) < 1 || strlen (sl) > 2) return 0; if (sl[0] == '.' || sl[1] == '.') return 0; x = 0; y = 0; while (x < strlen (sl)) { z = 0; y = 0; while (z < strlen (V4ADDR_VAL) && !y) { if (sl[x] == V4ADDR_VAL[z]) y = 1; z++; } if (!y) return 0; x++; } m = atoi (sl); if (m < 0 || m > 32) return 0; return 2; } int getsplitnumv4 (char *buf, u_int32_t * splitmask) { int x, y; u_int32_t sm; if (strlen (buf) < 1) return -1; if (strlen (buf) < 4) { if (buf[0] == '/') buf++; y = atoi (buf); if (y < 1 || y > 32) return -1; sm = 0; for (x = 0; x < y; x++) sm = sm | (1 << (31 - x)); } else { if (!strstr (buf, ".")) sm = strtoul (buf, (char **) NULL, 16); else { if (quadtonum (buf, &sm)) return -1; } } y = 0; for (x = 0; x < 32; x++) { if (!y && !((sm >> (31 - x)) & 1)) y = 1; if (y == 1 && ((sm >> (31 - x)) & 1)) y = 2; } if (y == 2) return -1; *splitmask = sm; return 0; } int getsplitnumv6 (char *buf, struct sip_in6_addr *splitmask, int *v6splitnum) { int x, y; if (strlen (buf) < 1) return -1; if (strlen (buf) > 4) return -1; if (buf[0] == '/') buf++; y = atoi (buf); if (y < 1 || y > 128) return -1; *v6splitnum = y; x = v6masktonum (buf, &y, splitmask); return 0; } int quadtonum (char *quad, u_int32_t * num) { char buf[128]; int x, y, z; if (!validate_v4addr (quad)) return -1; bzero ((char *) buf, 128); x = 0; while (quad[x] != '.') { buf[x] = quad[x]; x++; } *num = 0; x++; for (y = 0; y < 4; y++) { z = atoi (buf); if (z > 255 || z < 0) return -1; *num = *num | (z << (8 * (3 - y))); bzero ((char *) buf, 128); z = 0; while (quad[x] != '.' && quad[x] != '\0' && x < strlen (quad)) { buf[z] = quad[x]; x++; z++; } x++; } return 0; } char * numtoquad (u_int32_t num) { int a[4], x; static char quad[17]; for (x = 0; x < 4; x++) a[x] = num >> (8 * (3 - x)) & 0xff; bzero ((char *) quad, 17); snprintf (quad, 16, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]); return quad; } char * numtobitmap (u_int32_t num) { static char bitmap[36]; int x, y, z; bzero ((char *) bitmap, 36); y = 1; z = 0; for (x = 0; x < 32; x++) { if (!((num >> (31 - x)) & 1)) bitmap[z] = '0'; else bitmap[z] = '1'; if (y == 8 && z < 34) { z++; bitmap[z] = '.'; y = 0; } y++; z++; } return bitmap; } int parse_addr (struct if_info *ifi) { char buf[128], buf2[128]; char *s_find; int x, y, z; bzero ((char *) buf, 128); bzero ((char *) buf2, 128); ifi->v4ad.n_nmaskbits = 0; /* * netmask */ if (ifi->p_v4nmask[0] == '\0') { /* * "/netmask" */ if (!(s_find = strstr (ifi->p_v4addr, "/"))) { ifi->v4ad.n_nmask = 0xffffffff; ifi->v4ad.n_nmaskbits = 32; } else { *s_find = '\0'; s_find++; if (!*s_find) return -1; if (strlen (s_find) > 2) return -2; x = 0; y = 0; while (x < strlen (s_find)) { y = 0; z = 0; while (z < strlen (NETMASK_VAL) && !y) { if (s_find[x] == NETMASK_VAL[z]) y = 1; z++; } if (!y) return -2; x++; } buf[0] = *s_find; *s_find = '\0'; s_find++; if (*s_find) { buf[1] = *s_find; *s_find = '\0'; } ifi->v4ad.n_nmaskbits = atoi (buf); ifi->v4ad.n_nmask = 0; for (x = 0; x < ifi->v4ad.n_nmaskbits; x++) ifi->v4ad.n_nmask = ifi->v4ad.n_nmask | (1 << (31 - x)); } } else { /* * hex netmask */ if (!strstr (ifi->p_v4nmask, ".")) ifi->v4ad.n_nmask = strtoul (ifi->p_v4nmask, (char **) NULL, 16); /* * "normal" netmask */ else { if (quadtonum (ifi->p_v4nmask, &ifi->v4ad.n_nmask)) return -2; } } if (ifi->v4ad.n_nmaskbits < 0 || ifi->v4ad.n_nmaskbits > 32) return -2; /* * host address */ if (quadtonum (ifi->p_v4addr, &ifi->v4ad.n_haddr)) return -1; return 0; } /* * return * 0 ok * -1 invalid address * -2 invalid netmask */ int get_addrv4 (struct if_info *ifi) { int x, y; x = 0; if (!ifi->name[0]) x = parse_addr (ifi); if (x) return x; /* * count netmask bits */ ifi->v4ad.n_nmaskbits = 0; for (x = 0; x < 32; x++) { if ((ifi->v4ad.n_nmask >> x) & 1) ifi->v4ad.n_nmaskbits++; } if (ifi->v4ad.n_nmaskbits < 0 || ifi->v4ad.n_nmaskbits > 32) return -2; /* * validate netmask */ y = 0; for (x = 0; x < 32; x++) { if (!y && !((ifi->v4ad.n_nmask >> (31 - x)) & 1)) y = 1; if (y == 1 && ((ifi->v4ad.n_nmask >> (31 - x)) & 1)) y = 2; } if (y == 2) return -2; /* * network class, class remark and classfull netmask */ bzero ((char *) ifi->v4ad.class_remark, 64); x = ifi->v4ad.n_haddr >> 24; ifi->v4ad.n_cnaddr = 0; if (!(x & 0x80)) { ifi->v4ad.class = 'A'; ifi->v4ad.n_cnmask = 0xff000000; } if ((x & 0xc0) == 0x80) { ifi->v4ad.class = 'B'; ifi->v4ad.n_cnmask = 0xffff0000; } if ((x & 0xe0) == 0xc0) { ifi->v4ad.class = 'C'; ifi->v4ad.n_cnmask = 0xffffff00; } if ((x & 0xf0) == 0xe0) { ifi->v4ad.class = 'D'; snprintf (ifi->v4ad.class_remark, 64, " (multicast network)"); ifi->v4ad.n_cnmask = ifi->v4ad.n_nmask; } if ((x & 0xf8) == 0xf0) { ifi->v4ad.class = 'E'; snprintf (ifi->v4ad.class_remark, 64, " (reserved for future use)"); ifi->v4ad.n_cnmask = ifi->v4ad.n_nmask; } if (ifi->v4ad.class == '\0') { ifi->v4ad.n_cnmask = ifi->v4ad.n_nmask; snprintf (ifi->v4ad.class_remark, 64, "Nonexistant"); } /* * network address (classfull + cidr) */ ifi->v4ad.n_naddr = ifi->v4ad.n_haddr & ifi->v4ad.n_nmask; ifi->v4ad.n_cnaddr = ifi->v4ad.n_haddr & ifi->v4ad.n_cnmask; /* * cidr broadcast address */ ifi->v4ad.n_broadcast = 0xffffffff - ifi->v4ad.n_nmask + ifi->v4ad.n_naddr; return 0; } /* * return * 0 ok * -1 invalid address * -2 invalid netmask */ int get_addrv6 (struct if_info *ifi) { int x; x = mk_ipv6addr (&ifi->v6ad, ifi->p_v6addr); if (x < 0) return -1; return 0; } int split_ipv6addr (char *addr, struct ipv6_split *spstr) { char *split; int x, y, z; split = strstr (addr, "/"); if (split && (count (addr, '/') == 1)) { if (strlen (split) > 1 && strlen (split) < 5) { split++; strncpy (spstr->nmask, split, 3); } } x = 0; y = 0; split = strstr (addr, "."); if (split) x = strlen (split); split = strstr (addr, ":"); if (split) y = strlen (split); if (x < y) x = 1; else x = 0; if (count (addr, '.') == 3 && x) { split = strstr (addr, "."); x = strlen (addr) - strlen (split); while (addr[x] != ':') x--; x++; split = strstr (addr, "/"); if (split) y = strlen (addr) - strlen (split); else y = strlen (addr); if ((y - x >= 7) && (y - x <= 15)) { for (z = 0; z < y - x; z++) spstr->ipv4addr[z] = addr[x + z]; } } x = strlen (addr) - (strlen (spstr->ipv4addr) + strlen (spstr->nmask)); if (strlen (spstr->nmask) > 0) x--; if (x > 1 && x < 40) strncpy (spstr->ipv6addr, addr, x); return 0; } int validate_s_v6addr (char *addr, int type) { int x, y, z; int numcolon; int compressed; if (strlen (addr) < 2) return -1; if (strlen (addr) > 39) return -1; x = 0; y = 0; while (x < strlen (addr)) { y = 0; z = 0; while (z < strlen (V6ADDR_VAL) && !y) { if (addr[x] == V6ADDR_VAL[z]) y = 1; z++; } if (!y) return -1; x++; } x = 0; y = 0; while (x < strlen (addr)) { if (addr[x] == ':') y++; else y = 0; if (y == 3) return -1; x++; } if (addr[0] == ':' && addr[1] != ':') return -1; if (type == V6TYPE_STANDARD && addr[strlen (addr) - 1] == ':' && addr[strlen (addr) - 2] != ':') return -1; numcolon = 0; for (x = 0; x < strlen (addr); x++) { if (addr[x] == ':') numcolon++; } compressed = 0; x = 0; while (x < strlen (addr) - 1) { if (addr[x] == ':' && addr[x + 1] == ':') compressed++; x++; } if (compressed > 1) return -1; if (!compressed && numcolon != 7 && type == V6TYPE_STANDARD) return -1; if (!compressed && numcolon != 6 && type == V6TYPE_V4INV6) return -1; if (compressed && type == V6TYPE_STANDARD) { if (numcolon > 7) return -1; } if (compressed && type == V6TYPE_V4INV6) { if (numcolon > 6) return -1; } y = 0; for (x = 0; x < strlen (addr); x++) { if (addr[x] != ':') y++; else y = 0; if (y > 4) break; } if (y > 4) return -1; return 0; } int getcolon (char *addr, int pos, int type) { int x, y; int compressed; int cstart, cend; int max; char str[5]; if (type == V6TYPE_STANDARD) max = 7; if (type == V6TYPE_V4INV6) max = 5; compressed = 0; x = 0; while (x < strlen (addr) - 1) { if (addr[x] == ':' && addr[x + 1] == ':') compressed++; x++; } if (compressed) { cstart = 0; x = 0; while (x < strlen (addr) - 1) { if (addr[x] == ':' && addr[x + 1] == ':') break; if (addr[x] == ':') cstart++; x++; } x += 2; cend = 0; while (x < strlen (addr)) { if (addr[x] == ':') cend++; x++; } if (addr[strlen (addr) - 1] == ':' && addr[strlen (addr) - 2] != ':') cend--; } if (!compressed) { x = 0; y = 0; while (x < pos) { if (addr[y] == ':') x++; y++; } bzero ((char *) str, 5); x = 0; while (y < strlen (addr) && addr[y] != ':') { str[x] = addr[y]; x++; y++; } } if (compressed) { bzero ((char *) str, 5); if (pos <= cstart) { x = 0; y = 0; while (x < pos) { if (addr[y] == ':') x++; y++; } x = 0; while (y < strlen (addr) && addr[y] != ':') { str[x] = addr[y]; x++; y++; } } if ((pos > cstart) && (pos < (max - cend))) { str[0] = '0'; } if (pos >= (max - cend)) { y = 0; while (y < strlen (addr) - 1) { if (addr[y] == ':' && addr[y + 1] == ':') break; y++; } y += 2; x = max - cend; while (x < pos) { if (addr[y] == ':') x++; y++; } bzero ((char *) str, 5); x = 0; while (y < strlen (addr) && addr[y] != ':') { str[x] = addr[y]; x++; y++; } } } if (str[0] == '\0') str[0] = '0'; x = strtol (str, (char **) NULL, 16); return x; } int v6addrtonum (struct ipv6_split spstr, struct v6addr *in6_addr, int type) { int colon; int x, y, z, n; char buf[128]; colon = 0; if (type == V6TYPE_STANDARD) colon = 8; if (type == V6TYPE_V4INV6) colon = 6; for (x = 0; x < 4; x++) { in6_addr->haddr.sip6_addr32[x] = 0; } for (x = 0; x < colon; x++) { y = getcolon (spstr.ipv6addr, x, type); in6_addr->haddr.sip6_addr16[x] = y; } if (type == V6TYPE_V4INV6) { bzero ((char *) buf, 128); x = 0; while (spstr.ipv4addr[x] != '.') { buf[x] = spstr.ipv4addr[x]; x++; } x++; for (y = 0; y < 4; y++) { if (y == 1) { in6_addr->haddr.sip6_addr16[6] = (n << 8) | atoi (buf); } if (y == 3) { in6_addr->haddr.sip6_addr16[7] = (n << 8) | atoi (buf); } n = atoi (buf); bzero ((char *) buf, 128); z = 0; while (spstr.ipv4addr[x] != '.' && spstr.ipv4addr[x] != '\0' && x < strlen (spstr.ipv4addr)) { buf[z] = spstr.ipv4addr[x]; x++; z++; } x++; } } return 0; } int v6masktonum (char *nmask, int *nmaskbits, struct sip_in6_addr *in6_addr) { int x, y, z; if (nmask[0] == '\0') *nmaskbits = 128; else *nmaskbits = atoi (nmask); for (x = 0; x < 4; x++) in6_addr->sip6_addr32[x] = 0; y = 0; z = 0; for (x = 0; x < *nmaskbits; x++) { in6_addr->sip6_addr16[y] = in6_addr->sip6_addr16[y] | (1 << (15 - z)); z++; if (z == 16) { z = 0; y++; } } return 0; } /* * 0 error * 1 normal */ int validate_v6addr (char *addr) { int x; struct ipv6_split spstr; bzero ((char *) spstr.ipv6addr, 40); bzero ((char *) spstr.ipv4addr, 16); bzero ((char *) spstr.nmask, 4); split_ipv6addr (addr, &spstr); if (!spstr.ipv6addr[0]) return 0; x = V6TYPE_STANDARD; if (spstr.ipv4addr[0]) x = V6TYPE_V4INV6; if (validate_s_v6addr (spstr.ipv6addr, x) < 0) { return 0; } if (spstr.ipv4addr[0]) { if (!validate_v4addr (spstr.ipv4addr)) { return 0; } } return 1; } int v6addrtoprefix (struct v6addr *in6_addr) { int x; for (x = 0; x < 8; x++) { in6_addr->prefix.sip6_addr16[x] = in6_addr->haddr.sip6_addr16[x] & in6_addr->nmask. sip6_addr16[x]; } return 0; } int v6addrtosuffix (struct v6addr *in6_addr) { int x; for (x = 0; x < 8; x++) { in6_addr->suffix.sip6_addr16[x] = in6_addr->haddr.sip6_addr16[x] & (in6_addr->nmask. sip6_addr16[x] ^ 0xffff); } return 0; } int v6addrtobroadcast (struct v6addr *in6_addr) { int x; for (x = 0; x < 8; x++) { in6_addr->broadcast.sip6_addr16[x] = 0xffff - in6_addr->nmask.sip6_addr16[x] + in6_addr->prefix.sip6_addr16[x]; } return 0; } void v6_type (struct v6addr *in6_addr) { uint16_t a; a = in6_addr->haddr.sip6_addr16[0]; if (a == 0) snprintf (in6_addr->class_remark, 63, "Reserved"); if (a == 2 || a == 3) snprintf (in6_addr->class_remark, 63, "Reserved for NSAP Allocation"); if (a == 4 || a == 5) snprintf (in6_addr->class_remark, 63, "Reserved for IPX Allocation"); if ((a & 0xe000) == 0x2000) snprintf (in6_addr->class_remark, 63, "Aggregatable Global Unicast Addresses"); if ((a | 0x00ff) == 0x00ff) snprintf (in6_addr->class_remark, 63, "Reserved"); if ((a & 0xff00) == 0xff00) snprintf (in6_addr->class_remark, 63, "Multicast Addresses"); if ((a & 0xff80) == 0xfe80) snprintf (in6_addr->class_remark, 63, "Link-Local Unicast Addresses"); if ((a & 0xffc0) == 0xfec0) snprintf (in6_addr->class_remark, 63, "Site-Local Unicast Addresses"); if (in6_addr->class_remark[0] == '\0') snprintf (in6_addr->class_remark, 63, "Unassigned"); return; } void v6_comment (struct v6addr *in6_addr) { int x, y; y = 0; for (x = 0; x < 8; x++) { if (in6_addr->haddr.sip6_addr16[x]) y = 1; } if (!y) snprintf (in6_addr->comment, 63, "Unspecified"); y = 0; for (x = 0; x < 7; x++) { if (in6_addr->haddr.sip6_addr16[x]) y = 1; } if (!y) if (in6_addr->haddr.sip6_addr16[7] == 1) snprintf (in6_addr->comment, 63, "Loopback"); return; } int v6verifyv4 (struct sip_in6_addr addr) { int x, y; y = 0; for (x = 0; x < 5; x++) { if (addr.sip6_addr16[x]) y = 1; } if (!y) { if (!addr.sip6_addr16[5]) return 1; if (addr.sip6_addr16[5] == 0xffff) return 2; } return 0; } char * get_comp_v6 (struct sip_in6_addr addr) { static char outad[44]; char tmpad[5]; int x, y, z; int start, num; bzero ((char *) outad, 44); start = -1; num = 0; y = 0; z = 0; for (x = 0; x < 8; x++) { if (addr.sip6_addr16[x] == 0) { if (y == -1) y = x; z++; } else { if (z > num && z > 1) { start = y; num = z; } y = -1; z = 0; } } if (z > num && z > 1) { start = y; num = z; } for (x = 0; x < 8; x++) { if (x == start) { if (!x) strcat (outad, ":"); strcat (outad, ":"); x += num - 1; } else { bzero ((char *) tmpad, 5); sprintf (tmpad, "%x", addr.sip6_addr16[x]); strcat (outad, tmpad); if (x != 7) strcat (outad, ":"); } } return outad; } int mk_ipv6addr (struct v6addr *in6_addr, char *addr) { int x, y, z; struct ipv6_split spstr; bzero ((char *) spstr.ipv6addr, 40); bzero ((char *) spstr.ipv4addr, 16); bzero ((char *) spstr.nmask, 4); split_ipv6addr (addr, &spstr); if (!spstr.ipv6addr[0]) return -1; x = V6TYPE_STANDARD; if (spstr.ipv4addr[0]) x = V6TYPE_V4INV6; if (validate_s_v6addr (spstr.ipv6addr, x) < 0) { return -1; } if (spstr.ipv4addr[0]) { if (!validate_v4addr (spstr.ipv4addr)) { return -1; } } x = 0; y = 0; while (x < strlen (spstr.nmask)) { y = 0; z = 0; while (z < strlen (NETMASK_VAL) && !y) { if (spstr.nmask[x] == NETMASK_VAL[z]) y = 1; z++; } if (!y) { return -1; } x++; } x = atoi (spstr.nmask); if (x < 0 || x > 128) { return -1; } if (spstr.ipv4addr[0] == '\0') in6_addr->type = V6TYPE_STANDARD; else in6_addr->type = V6TYPE_V4INV6; v6addrtonum (spstr, in6_addr, in6_addr->type); v6masktonum (spstr.nmask, &in6_addr->nmaskbits, &in6_addr->nmask); v6addrtoprefix (in6_addr); v6addrtosuffix (in6_addr); v6addrtobroadcast (in6_addr); in6_addr->real_v4 = v6verifyv4 (in6_addr->haddr); bzero ((char *) in6_addr->class_remark, 64); v6_type (in6_addr); bzero ((char *) in6_addr->comment, 64); v6_comment (in6_addr); return 0; } struct dnsresp * new_dnsresp (struct dnsresp *d_resp) { d_resp->next = (struct dnsresp *) malloc (sizeof (struct dnsresp)); d_resp = d_resp->next; d_resp->next = NULL; bzero((char *) d_resp->str, 128); d_resp->type = 0; return d_resp; } void free_dnsresp (struct dnsresp *d_resp) { struct dnsresp *old; while (d_resp) { old = d_resp; d_resp = d_resp->next; free (old); } } #ifdef HAVE_GETHOSTBYNAME char * _resolv_v4_ghbn (char *raddr, struct dnsresp *d_resp, char *extra) { struct hostent *he; static char retaddr[1024]; int x; bzero ((char *) retaddr, 1024); he = gethostbyname (raddr); if (!he) return NULL; if (he->h_addrtype == AF_INET) { snprintf (retaddr, 1023, "%s%s", inet_ntoa (*(struct in_addr *) he->h_addr_list[0]), extra); x = 0; while (he->h_addr_list[x]) { snprintf (d_resp->str, 127, "%s%s", inet_ntoa (*(struct in_addr *) he->h_addr_list[x]), extra); d_resp->type = AF_INET; x++; if (he->h_addr_list[x]) d_resp = new_dnsresp (d_resp); } } if (retaddr[0] == '\0') return NULL; return retaddr; } #else char * _resolv_v4_ghbn (char *raddr, struct dnsresp *d_resp, char *extra) { return NULL; } #endif #if defined(HAVE_GETHOSTBYNAME2) && defined(HAVE_INET_NTOP) char * _resolv_v6_ghbn2 (char *raddr, struct dnsresp *d_resp, char *extra) { struct hostent *he; static char retaddr[1024]; char ip6addr[128]; int x; bzero ((char *) retaddr, 1024); he = gethostbyname2 (raddr, AF_INET6); if (!he) return NULL; if (he->h_addrtype == AF_INET6) { bzero ((char *) ip6addr, 128); snprintf (retaddr, 1023, "%s%s", inet_ntop (AF_INET6, he->h_addr_list[0], ip6addr, 128), extra); x = 0; while (he->h_addr_list[x]) { snprintf (d_resp->str, 127, "%s%s", inet_ntop (AF_INET6, he->h_addr_list[x], ip6addr, 128), extra); d_resp->type = AF_INET6; x++; if (he->h_addr_list[x]) d_resp = new_dnsresp (d_resp); } } if (retaddr[0] == '\0') return NULL; return retaddr; } #else char * _resolv_v6_ghbn2 (char *raddr, struct dnsresp *d_resp, char *extra) { return NULL; } #endif #if defined(HAVE_GETADDRINFO) && defined(HAVE_INET_NTOP) char * _resolv_v6_gai (char *raddr, struct dnsresp *d_resp, char *extra) { int x; struct addrinfo hints; struct addrinfo *res, *res_orig; struct sockaddr_in6 *sin6; static char retaddr[1024]; char ip6addr[128]; memset (&hints, 0, sizeof(hints)); hints.ai_family = AF_INET6; hints.ai_socktype = 0; hints.ai_flags = AI_CANONNAME; hints.ai_protocol = IPPROTO_TCP; x = getaddrinfo (raddr, NULL, &hints, &res); if (x) return NULL; if (!res) return NULL; res_orig = res; while (res) { bzero ((char *) ip6addr, 128); if (res->ai_family == PF_INET6) { sin6 = (struct sockaddr_in6 *) res->ai_addr; snprintf (retaddr, 1023, "%s%s", inet_ntop (AF_INET6, &sin6->sin6_addr, ip6addr, 128), extra); snprintf (d_resp->str, 127, "%s%s", inet_ntop (AF_INET6, &sin6->sin6_addr, ip6addr, 128), extra); d_resp->type = AF_INET6; } if (res->ai_next && (res->ai_family == PF_INET || res->ai_family == PF_INET6)) d_resp = new_dnsresp (d_resp); res = res->ai_next; } freeaddrinfo (res_orig); if (retaddr[0] == '\0') return NULL; return retaddr; } #else char * _resolv_v6_gai (char *raddr, struct dnsresp *d_resp, char *extra) { return NULL; } #endif #if defined(HAVE_GETADDRINFO) && defined(HAVE_INET_NTOP) char * _resolv_unspec_gai (char *raddr, struct dnsresp *d_resp, char *extra) { int x; struct addrinfo hints; struct addrinfo *res, *res_orig; struct sockaddr_in *sin; struct sockaddr_in6 *sin6; static char retaddr[1024]; char ip6addr[128]; memset (&hints, 0, sizeof(hints)); hints.ai_family = AF_UNSPEC; hints.ai_socktype = 0; hints.ai_flags = AI_CANONNAME; hints.ai_protocol = IPPROTO_TCP; x = getaddrinfo (raddr, NULL, &hints, &res); if (x) return NULL; if (!res) return NULL; res_orig = res; while (res) { bzero ((char *) ip6addr, 128); if (res->ai_family == PF_INET) { sin = (struct sockaddr_in *) res->ai_addr; snprintf (retaddr, 1023, "%s%s", inet_ntoa (sin->sin_addr), extra); snprintf(d_resp->str, 127, "%s%s", inet_ntoa (sin->sin_addr), extra); d_resp->type = AF_INET; } if (res->ai_family == PF_INET6) { sin6 = (struct sockaddr_in6 *) res->ai_addr; snprintf (retaddr, 1023, "%s%s", inet_ntop (AF_INET6, &sin6->sin6_addr, ip6addr, 128), extra); snprintf (d_resp->str, 127, "%s%s", inet_ntop (AF_INET6, &sin6->sin6_addr, ip6addr, 128), extra); d_resp->type = AF_INET6; } if (res->ai_next && (res->ai_family == PF_INET || res->ai_family == PF_INET6)) d_resp = new_dnsresp (d_resp); res = res->ai_next; } freeaddrinfo (res_orig); if (retaddr[0] == '\0') return NULL; return retaddr; } #else char * _resolv_unspec_gai (char *raddr, struct dnsresp *d_resp, char *extra) { return NULL; } #endif char * resolve_addr (char *addr, int family, struct dnsresp *d_resp) { char extra[32]; char *tmpstr; char raddr[1024]; static char retaddr[1024]; struct dnsresp *d_resp_tmp; int f_gethostbyname; int f_gethostbyname2; int f_getaddrinfo; int f_inet_ntop; int ipv4_cap; int ipv6_cap; f_gethostbyname = 0; f_gethostbyname2 = 0; f_getaddrinfo = 0; f_inet_ntop = 0; ipv4_cap = 0; ipv6_cap = 0; #ifdef HAVE_GETHOSTBYNAME f_gethostbyname = 1; #endif #ifdef HAVE_GETHOSTBYNAME2 f_gethostbyname2 = 1; #endif #ifdef HAVE_GETADDRINFO f_getaddrinfo = 1; #endif #ifdef HAVE_INET_NTOP f_inet_ntop = 1; #endif if (f_gethostbyname) ipv4_cap = 1; if ((f_gethostbyname2 || f_getaddrinfo) && f_inet_ntop) ipv6_cap = 1; if (family != PF_INET && family != PF_INET6 && family != PF_UNSPEC) return NULL; if (family == PF_INET && !ipv4_cap) return NULL; if (family == PF_INET6 && !ipv6_cap) return NULL; if (family == PF_UNSPEC && (!ipv4_cap && !ipv6_cap)) return NULL; if (strlen (addr) > 1023) return NULL; if (family == PF_UNSPEC && !ipv4_cap) family = PF_INET6; if (family == PF_UNSPEC && !ipv6_cap) family = PF_INET; bzero ((char *) extra, 32); bzero ((char *) raddr, 1024); tmpstr = strstr (addr, "/"); if (tmpstr) { strncpy (extra, tmpstr, 31); strncpy (raddr, addr, strlen (addr) - strlen (tmpstr)); } else { tmpstr = strstr (addr, " "); if (tmpstr) { strncpy (extra, tmpstr, 31); strncpy (raddr, addr, strlen (addr) - strlen (tmpstr)); } else strncpy (raddr, addr, 1023); } bzero ((char *) retaddr, 1024); if (family == PF_INET) { tmpstr = _resolv_v4_ghbn (raddr, d_resp, extra); if (!tmpstr) return NULL; strncpy (retaddr, tmpstr, 1024); return retaddr; } if (family == PF_INET6) { if (f_getaddrinfo) { tmpstr = _resolv_v6_gai (raddr, d_resp, extra); if (!tmpstr) return NULL; strncpy (retaddr, tmpstr, 1024); return retaddr; } if (f_gethostbyname2) { tmpstr = _resolv_v6_ghbn2 (raddr, d_resp, extra); if (!tmpstr) return NULL; strncpy (retaddr, tmpstr, 1024); return retaddr; } } if (family == PF_UNSPEC) { if (f_getaddrinfo) { tmpstr = _resolv_unspec_gai (raddr, d_resp, extra); if (!tmpstr) return NULL; strncpy (retaddr, tmpstr, 1024); return retaddr; } if (f_gethostbyname && f_gethostbyname2) { tmpstr = _resolv_v4_ghbn (raddr, d_resp, extra); if (tmpstr) { strncpy (retaddr, tmpstr, 1024); d_resp_tmp = d_resp; d_resp = new_dnsresp (d_resp); } tmpstr = _resolv_v6_ghbn2 (raddr, d_resp, extra); if (!tmpstr) { d_resp_tmp->next = NULL; free (d_resp); } return retaddr; } } return NULL; } sipcalc-1.1.5/src/interface.c0000644000175000017500000001361707636061137012771 00000000000000/* * sipcalc, interface.c * * $Id: interface.c,v 1.14 2003/03/19 12:28:15 simius Exp $ * * - * Copyright (c) 2003 Simon Ekstrand * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ static const char rcsid[] = "$Id: interface.c,v 1.14 2003/03/19 12:28:15 simius Exp $"; #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include #include #include /* * For SIOCGIFCONF and friends on Solaris. */ #ifdef HAVE_SYS_SOCKIO_H #include #endif #include "sub.h" struct if_info * new_if (struct if_info *ifarg_cur) { struct if_info *n_if; ifarg_cur->next = (struct if_info *) malloc (sizeof (struct if_info)); n_if = ifarg_cur->next; n_if->next = NULL; bzero ((char *) n_if->name, IFNAMSIZ + 1); bzero ((char *) n_if->p_v4addr, 19); bzero ((char *) n_if->p_v4nmask, 16); bzero ((char *) n_if->errorstr, 64); bzero ((char *) n_if->cmdstr, 128); n_if->type = 0; return n_if; } void free_if (struct if_info *if_cur) { struct if_info *if_old; while (if_cur) { if_old = if_cur; if_cur = if_cur->next; free (if_old); } } struct if_info * get_if_ext () { int sd, size, prev_size, len, ifreq_sum; struct ifreq *ifr, ifr_stat; struct ifconf ifc; char *buf, *ptr; struct if_info *if_start, *if_cur; struct sockaddr_in *sin; if ((sd = socket (AF_INET, SOCK_DGRAM, 0)) < 0) { perror ("socket"); return NULL; }; prev_size = 0; size = 5 * sizeof (struct ifreq); for (;;) { if (!(buf = malloc (size))) { perror ("malloc"); return NULL; } ifc.ifc_len = size; ifc.ifc_buf = buf; if (ioctl (sd, SIOCGIFCONF, &ifc) < 0) { if (errno != EINVAL || prev_size) { perror ("ioctl"); return NULL; } } else { if (ifc.ifc_len == prev_size) break; prev_size = ifc.ifc_len; } size += 5 * sizeof (struct ifreq); free (buf); } if_cur = NULL; if_start = NULL; ptr = buf; len = 0; ifreq_sum = 0; while (ptr < buf + ifc.ifc_len) { if (!if_start) { if_cur = if_start = (struct if_info *) malloc (sizeof (struct if_info)); if_cur->next = NULL; } else { if_cur->next = (struct if_info *) malloc (sizeof (struct if_info)); if_cur = if_cur->next; if_cur->next = NULL; } ifr = (struct ifreq *) ptr; while ((ptr < buf + ifc.ifc_len) && ifr && ifr->ifr_addr.sa_family != AF_INET) { /* * This is how it's done in W. Richard Stevens, Unix Network Programming * Volume 1 Second Edition. This doesnt work on certain 64bit machines * (linux - alpha). Hopefully the version below works everywhere. * #ifdef HAVE_SA_LEN if(ifr->ifr_addr.sa_len > sizeof(struct sockaddr)) len=ifr->ifr_addr.sa_len+sizeof(ifr->ifr_name); else len=sizeof(struct sockaddr)+sizeof(ifr->ifr_name); #else len=sizeof(struct sockaddr)+sizeof(ifr->ifr_name); #endif */ #ifdef HAVE_SA_LEN if ((ifr->ifr_addr.sa_len > sizeof (struct sockaddr)) && ifr->ifr_addr.sa_len >= (sizeof (struct ifreq) - sizeof (ifr->ifr_name))) len = ifr->ifr_addr.sa_len + sizeof (ifr->ifr_name); else len = sizeof (struct ifreq); #else len = sizeof (struct ifreq); #endif ptr += len; ifr = (struct ifreq *) ptr; } if (!ifr || ptr >= buf + ifc.ifc_len) break; /* * We don't know if ifr->ifr_name is NULL terminated. */ bzero ((char *) if_cur->name, IFNAMSIZ + 1); strncpy (if_cur->name, ifr->ifr_name, IFNAMSIZ); sin = (struct sockaddr_in *) &ifr->ifr_addr; if_cur->v4ad.n_haddr = htonl (sin->sin_addr.s_addr); ifr_stat = *ifr; ioctl (sd, SIOCGIFFLAGS, &ifr_stat); if_cur->flags = ifr_stat.ifr_flags; /* * *BSD's struct ifreq doesn't containt struct sockaddr * ifru_netmask, but using ifru_addr should hopefully * be ok on all platforms (ifr_ifru being a union and all). */ ioctl (sd, SIOCGIFNETMASK, &ifr_stat); sin = (struct sockaddr_in *) &ifr_stat.ifr_addr; if_cur->v4ad.n_nmask = htonl (sin->sin_addr.s_addr); #ifdef SIOCGIFBRDADDR if ((if_cur->flags & IFF_BROADCAST) == IFF_BROADCAST) { ioctl (sd, SIOCGIFBRDADDR, &ifr_stat); sin = (struct sockaddr_in *) &ifr_stat.ifr_broadaddr; if_cur->v4ad.i_broadcast = htonl (sin->sin_addr.s_addr); } #endif #ifdef HAVE_SA_LEN if ((ifr->ifr_addr.sa_len > sizeof (struct sockaddr)) && ifr->ifr_addr.sa_len >= (sizeof (struct ifreq) - sizeof (ifr->ifr_name))) len = ifr->ifr_addr.sa_len + sizeof (ifr->ifr_name); else len = sizeof (struct ifreq); #else len = sizeof (struct ifreq); #endif ptr += len; } free (buf); return if_start; } sipcalc-1.1.5/src/sub-output.c0000644000175000017500000005263311231152077013147 00000000000000/* * sipcalc, sub-output.c * * $Id: sub-output.c,v 1.32 2003/03/19 12:33:56 simius Exp $ * * - * Copyright (c) 2003 Simon Ekstrand * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ static const char rcsid[] = "$Id: sub-output.c,v 1.32 2003/03/19 12:33:56 simius Exp $"; #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include "sub.h" void show_c_wildcard_info_v4 (struct if_info *ifi) { u_int32_t mask; int bitcount; int x; mask = ifi->v4ad.n_haddr ^ 0xffffffff; bitcount = 0; for (x = 0; x < 32; x++) { if ((mask >> x) & 1) bitcount++; } printf ("[WILDCARD]\n"); printf ("Wildcard - %s\n", numtoquad (ifi->v4ad.n_haddr)); printf ("Network mask - %s\n", numtoquad (mask)); printf ("Network mask (bits) - %d\n", bitcount); printf ("\n"); /* printf ("Host address - %s\n", numtoquad (ifi->v4ad.n_haddr)); printf ("Host address (decimal) - %u\n", ifi->v4ad.n_haddr); printf ("Host address (hex) - %X\n", ifi->v4ad.n_haddr); printf ("Network address - %s\n", numtoquad (ifi->v4ad.n_naddr)); printf ("Network mask - %s\n", numtoquad (ifi->v4ad.n_nmask)); printf ("Network mask (bits) - %d\n", ifi->v4ad.n_nmaskbits); printf ("Network mask (hex) - %X\n", ifi->v4ad.n_nmask); printf ("Broadcast address - %s\n", numtoquad (ifi->v4ad.n_broadcast)); printf ("Cisco wildcard - %s\n", numtoquad (ifi->v4ad.n_nmask ^ 0xffffffff)); if (!ifi->v4ad.n_nmask) printf ("Addresses in network - %u\n", (ifi->v4ad.n_broadcast) - (ifi->v4ad.n_naddr)); else printf ("Addresses in network - %u\n", (ifi->v4ad.n_broadcast) - (ifi->v4ad.n_naddr) + 1); printf ("Network range - %s - ", numtoquad (ifi->v4ad.n_naddr)); printf ("%s\n", numtoquad (ifi->v4ad.n_broadcast)); if (ifi->v4ad.n_naddr + 1 <= ifi->v4ad.n_broadcast - 1) { printf ("Usable range - %s - ", numtoquad (ifi->v4ad.n_naddr + 1)); printf ("%s\n", numtoquad (ifi->v4ad.n_broadcast - 1)); } printf ("\n"); */ return; } void show_split_networks_v4 (struct if_info *ifi, u_int32_t splitmask, int v4args, struct misc_args m_argv4) { u_int32_t diff, start, end; int x; struct if_info ifi_tmp; int v4args_tmp; v4args_tmp = 0; if ((v4args & V4VERBSPLIT) == V4VERBSPLIT) printf ("[Split network - verbose]\n"); else printf ("[Split network]\n"); if (splitmask < ifi->v4ad.n_nmask) { printf ("-[ERR : Oversized splitmask]\n\n"); return; } diff = 0xffffffff - splitmask + 1; start = ifi->v4ad.n_naddr; end = ifi->v4ad.n_naddr + diff - 1; if ((v4args & V4VERBSPLIT) == V4VERBSPLIT) { memcpy ((struct if_info *) &ifi_tmp, (struct if_info *) ifi, sizeof(struct if_info)); v4args_tmp = v4args ^ V4SPLIT; v4args_tmp = v4args_tmp ^ V4VERBSPLIT; if (!v4args_tmp) v4args_tmp = CIDR_INFO; ifi_tmp.next = NULL; } x = 0; while (!x) { if ((v4args & V4VERBSPLIT) != V4VERBSPLIT) { printf ("Network - %-15s - ", numtoquad (start)); printf ("%s\n", numtoquad (end)); } if ((v4args & V4VERBSPLIT) == V4VERBSPLIT) { bzero ((char *) ifi_tmp.p_v4addr, 19); bzero ((char *) ifi_tmp.p_v4nmask, 16); bzero ((char *) ifi_tmp.p_v6addr, 44); snprintf (ifi_tmp.p_v4addr, 19, "%s", numtoquad (start)); snprintf (ifi_tmp.p_v4nmask, 16, "%s", numtoquad (splitmask)); } start += diff; if (end == 0xffffffff || end >= ifi->v4ad.n_broadcast) x = 1; end += diff; if ((v4args & V4VERBSPLIT) == V4VERBSPLIT) out_cmdline (&ifi_tmp, v4args_tmp, m_argv4, 0, m_argv4, 1, 0); } printf ("\n"); return; } int show_networks_v4 (struct if_info *ifi, int count) { u_int32_t diff, start, end; int x; printf ("[Networks]\n"); diff = 0xffffffff - ifi->v4ad.n_nmask + 1; if (ifi->v4ad.n_nmask > 0xffffff00 && count == -1) { start = ifi->v4ad.n_naddr & 0xffffff00; end = (ifi->v4ad.n_broadcast & 0xffffff00) + diff - 1; } else { start = ifi->v4ad.n_naddr; end = ifi->v4ad.n_broadcast; } x = 0; while (!x && count) { printf ("Network - %-15s - ", numtoquad (start)); printf ("%s", numtoquad (end)); if (start == ifi->v4ad.n_naddr) printf (" (current)\n"); else printf ("\n"); start += diff; if (end == 0xffffffff) x = 1; if ((end & 0x000000ff) == 0xff && count == -1) x = 1; end += diff; if (count > 0) count--; } printf ("\n"); return 0; } void print_cf_info_v4 (struct if_info *ifi) { printf ("[Classfull]\n"); printf ("Host address - %s\n", numtoquad (ifi->v4ad.n_haddr)); printf ("Host address (decimal) - %u\n", ifi->v4ad.n_haddr); printf ("Host address (hex) - %X\n", ifi->v4ad.n_haddr); printf ("Network address - %s\n", numtoquad (ifi->v4ad.n_cnaddr)); printf ("Network class - %c%s\n", ifi->v4ad.class, ifi->v4ad.class_remark); printf ("Network mask - %s\n", numtoquad (ifi->v4ad.n_cnmask)); printf ("Network mask (hex) - %X\n", ifi->v4ad.n_cnmask); printf ("Broadcast address - %s\n", numtoquad (ifi->v4ad.n_cnaddr + (0xffffffff - ifi->v4ad.n_cnmask))); printf ("\n"); return; } void print_cf_bitmap_v4 (struct if_info *ifi) { printf ("[Classfull bitmaps]\n"); printf ("Network address - %s\n", numtobitmap (ifi->v4ad.n_cnaddr)); printf ("Network mask - %s\n", numtobitmap (ifi->v4ad.n_cnmask)); printf ("\n"); return; } void print_cidr_info_v4 (struct if_info *ifi) { printf ("[CIDR]\n"); printf ("Host address - %s\n", numtoquad (ifi->v4ad.n_haddr)); printf ("Host address (decimal) - %u\n", ifi->v4ad.n_haddr); printf ("Host address (hex) - %X\n", ifi->v4ad.n_haddr); printf ("Network address - %s\n", numtoquad (ifi->v4ad.n_naddr)); printf ("Network mask - %s\n", numtoquad (ifi->v4ad.n_nmask)); printf ("Network mask (bits) - %d\n", ifi->v4ad.n_nmaskbits); printf ("Network mask (hex) - %X\n", ifi->v4ad.n_nmask); printf ("Broadcast address - %s\n", numtoquad (ifi->v4ad.n_broadcast)); printf ("Cisco wildcard - %s\n", numtoquad (ifi->v4ad.n_nmask ^ 0xffffffff)); if (!ifi->v4ad.n_nmask) printf ("Addresses in network - %u\n", (ifi->v4ad.n_broadcast) - (ifi->v4ad.n_naddr)); else printf ("Addresses in network - %u\n", (ifi->v4ad.n_broadcast) - (ifi->v4ad.n_naddr) + 1); printf ("Network range - %s - ", numtoquad (ifi->v4ad.n_naddr)); printf ("%s\n", numtoquad (ifi->v4ad.n_broadcast)); if (ifi->v4ad.n_naddr + 1 <= ifi->v4ad.n_broadcast - 1) { printf ("Usable range - %s - ", numtoquad (ifi->v4ad.n_naddr + 1)); printf ("%s\n", numtoquad (ifi->v4ad.n_broadcast - 1)); } printf ("\n"); return; } void print_cidr_bitmap_v4 (struct if_info *ifi) { printf ("[CIDR bitmaps]\n"); printf ("Host address - %s\n", numtobitmap (ifi->v4ad.n_haddr)); printf ("Network address - %s\n", numtobitmap (ifi->v4ad.n_naddr)); printf ("Network mask - %s\n", numtobitmap (ifi->v4ad.n_nmask)); printf ("Broadcast address - %s\n", numtobitmap (ifi->v4ad.n_broadcast)); printf ("Cisco wildcard - %s\n", numtobitmap (ifi->v4ad.n_nmask ^ 0xffffffff)); printf ("Network range - %s -\n", numtobitmap (ifi->v4ad.n_naddr)); printf (" %s\n", numtobitmap (ifi->v4ad.n_broadcast)); if (ifi->v4ad.n_naddr + 1 <= ifi->v4ad.n_broadcast - 1) { printf ("Usable range - %s -\n", numtobitmap (ifi->v4ad.n_naddr + 1)); printf (" %s\n", numtobitmap (ifi->v4ad.n_broadcast - 1)); } printf ("\n"); return; } void print_comp_v6 (struct sip_in6_addr addr) { int x, y, z; int start, num; start = -1; num = 0; y = 0; z = 0; for (x = 0; x < 8; x++) { if (addr.sip6_addr16[x] == 0) { if (y == -1) y = x; z++; } else { if (z > num && z > 1) { start = y; num = z; } y = -1; z = 0; } } if (z > num && z > 1) { start = y; num = z; } for (x = 0; x < 8; x++) { if (x == start) { if (!x) printf (":"); printf (":"); x += num - 1; } else { printf ("%x", addr.sip6_addr16[x]); if (x != 7) printf (":"); } } return; } void print_exp_v4inv6 (struct sip_in6_addr addr) { unsigned char num; printf ("%04x:%04x:%04x:%04x:%04x:%04x:", addr.sip6_addr16[0], addr.sip6_addr16[1], addr.sip6_addr16[2], addr.sip6_addr16[3], addr.sip6_addr16[4], addr.sip6_addr16[5]); num = (addr.sip6_addr16[6] >> 8) & 0xff; printf ("%d.", num); num = addr.sip6_addr16[6] & 0xff; printf ("%d.", num); num = (addr.sip6_addr16[7] >> 8) & 0xff; printf ("%d.", num); num = addr.sip6_addr16[7] & 0xff; printf ("%d", num); return; } void print_comp_v4inv6 (struct sip_in6_addr addr) { unsigned char v4num; int x, y, z; int start, num; start = -1; num = 0; y = 0; z = 0; for (x = 0; x < 6; x++) { if (addr.sip6_addr16[x] == 0) { if (y == -1) y = x; z++; } else { if (z > num && z > 1) { start = y; num = z; } y = -1; z = 0; } } if (z > num && z > 1) { start = y; num = z; } for (x = 0; x < 6; x++) { if (x == start) { if (!x) printf (":"); printf (":"); x += num - 1; } else { printf ("%x:", addr.sip6_addr16[x]); } } v4num = (addr.sip6_addr16[6] >> 8) & 0xff; printf ("%d.", v4num); v4num = addr.sip6_addr16[6] & 0xff; printf ("%d.", v4num); v4num = (addr.sip6_addr16[7] >> 8) & 0xff; printf ("%d.", v4num); v4num = addr.sip6_addr16[7] & 0xff; printf ("%d", v4num); return; } void print_exp_v6 (struct sip_in6_addr addr) { printf ("%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x", addr.sip6_addr16[0], addr.sip6_addr16[1], addr.sip6_addr16[2], addr.sip6_addr16[3], addr.sip6_addr16[4], addr.sip6_addr16[5], addr.sip6_addr16[6], addr.sip6_addr16[7]); } void print_mixed_v6 (struct sip_in6_addr addr) { printf ("%x:%x:%x:%x:%x:%x:%x:%x", addr.sip6_addr16[0], addr.sip6_addr16[1], addr.sip6_addr16[2], addr.sip6_addr16[3], addr.sip6_addr16[4], addr.sip6_addr16[5], addr.sip6_addr16[6], addr.sip6_addr16[7]); } void print_revdns_v6 (struct sip_in6_addr addr) { char inbuf[40], outbuf[256]; int x, y; bzero ((char *) inbuf, 40); bzero ((char *) outbuf, 256); snprintf (inbuf, 39, "%04x%04x%04x%04x%04x%04x%04x%04x", addr.sip6_addr16[0], addr.sip6_addr16[1], addr.sip6_addr16[2], addr.sip6_addr16[3], addr.sip6_addr16[4], addr.sip6_addr16[5], addr.sip6_addr16[6], addr.sip6_addr16[7]); y = 0; for (x = (strlen (inbuf) - 1); x >= 0; x--) { outbuf[y] = inbuf[x]; outbuf[y + 1] = '.'; y += 2; } strcat (outbuf, "ip6.arpa."); printf("%s", outbuf); } void print_rev_v6 (struct if_info *ifi) { printf("[IPV6 DNS]\n"); printf ("Reverse DNS (ip6.arpa) -\n"); print_revdns_v6 (ifi->v6ad.haddr); printf("\n"); printf ("\n"); } void print_v6 (struct if_info *ifi) { printf ("[IPV6 INFO]\n"); printf ("Expanded Address - "); print_exp_v6 (ifi->v6ad.haddr); printf ("\n"); printf ("Compressed address - "); print_comp_v6 (ifi->v6ad.haddr); printf ("\n"); printf ("Subnet prefix (masked) - "); print_mixed_v6 (ifi->v6ad.prefix); printf ("/%d\n", ifi->v6ad.nmaskbits); printf ("Address ID (masked) - "); print_mixed_v6 (ifi->v6ad.suffix); printf ("/%d\n", ifi->v6ad.nmaskbits); printf ("Prefix address - "); print_mixed_v6 (ifi->v6ad.nmask); printf ("\n"); printf ("Prefix length - %d\n", ifi->v6ad.nmaskbits); printf ("Address type - %s\n", ifi->v6ad.class_remark); if (ifi->v6ad.comment[0]) printf ("Comment - %s\n", ifi->v6ad.comment); printf ("Network range - "); print_exp_v6 (ifi->v6ad.prefix); printf (" -\n "); print_exp_v6 (ifi->v6ad.broadcast); printf ("\n"); printf ("\n"); return; } void print_v4inv6 (struct if_info *ifi) { printf ("[V4INV6]\n"); if (ifi->v6ad.type == V6TYPE_V4INV6 && !ifi->v6ad.real_v4) { printf ("-[INFO : Address was submitted as an IPv4-compatible IPv6 address]\n"); printf ("-[INFO : The Address does not qualify as this as per the guidelines]\n"); printf ("-[INFO : in RFC2373]\n\n"); } printf ("Expanded v4inv6 address - "); print_exp_v4inv6 (ifi->v6ad.haddr); printf ("\n"); printf ("Compr. v4inv6 address - "); print_comp_v4inv6 (ifi->v6ad.haddr); printf ("\n"); if (ifi->v6ad.type == V6TYPE_V4INV6 && ifi->v6ad.real_v4 == 1) printf ("Comment - IPv4-compatible IPv6 address\n"); if (ifi->v6ad.type == V6TYPE_V4INV6 && ifi->v6ad.real_v4 == 2) printf ("Comment - IPv4-mapped IPv6 address\n"); printf ("\n"); return; } int v6plus (struct sip_in6_addr *a, struct sip_in6_addr *b) { int x, y, z; for (x = 7; x >= 0; x--) { if (a->sip6_addr16[x] + b->sip6_addr16[x] > 0xffff) { y = x - 1; z = 0; while (y >= 0 && !z) { z = 1; if (a->sip6_addr16[y] + 1 > 0xffff) { a->sip6_addr16[y] = 0; z = 0; } else { a->sip6_addr16[y]++; } y--; } a->sip6_addr16[x] = a->sip6_addr16[x] + b->sip6_addr16[x] - 0x10000; } else { a->sip6_addr16[x] += b->sip6_addr16[x]; } } return 0; } void show_split_networks_v6 (struct if_info *ifi, struct sip_in6_addr splitmask, int v6args, struct misc_args m_argv6) { struct sip_in6_addr sdiff, ediff, start, end, tmpaddr; int x, y, z; struct if_info ifi_tmp; int v6args_tmp; v6args_tmp = 0; if ((v6args & V6VERBSPLIT) == V6VERBSPLIT) printf ("[Split network - verbose]\n"); else printf ("[Split network]\n"); x = 0; y = 0; do { if (splitmask.sip6_addr16[x] > ifi->v6ad.nmask.sip6_addr16[x]) y = 1; if (ifi->v6ad.nmask.sip6_addr16[x] > splitmask.sip6_addr16[x]) y = 2; x++; } while (x < 8 && !y); if (y == 2) { printf ("-[ERR : Oversized splitmask]\n\n"); return; } for (x = 0; x < 8; x++) { if(splitmask.sip6_addr16) sdiff.sip6_addr16[x] = 0xffffffff - splitmask.sip6_addr16[x]; start.sip6_addr16[x] = ifi->v6ad.prefix.sip6_addr16[x]; end.sip6_addr16[x] = ifi->v6ad.prefix.sip6_addr16[x] + sdiff.sip6_addr16[x]; ediff.sip6_addr16[x] = sdiff.sip6_addr16[x]; } for (x = 0; x < 8; x++) tmpaddr.sip6_addr16[x] = 0; tmpaddr.sip6_addr16[7] = 1; v6plus (&sdiff, &tmpaddr); if ((v6args & V6VERBSPLIT) == V6VERBSPLIT) { memcpy ((struct if_info *) &ifi_tmp, (struct if_info *) ifi, sizeof(struct if_info)); v6args_tmp = v6args ^ V6SPLIT; v6args_tmp = v6args_tmp ^ V6VERBSPLIT; if (!v6args_tmp) v6args_tmp = V6_INFO; ifi_tmp.next = NULL; } x = 0; while (!x) { if ((v6args & V6VERBSPLIT) != V6VERBSPLIT) { printf ("Network - "); print_exp_v6 (start); printf (" -\n\t\t\t "); print_exp_v6 (end); printf ("\n"); } if ((v6args & V6VERBSPLIT) == V6VERBSPLIT) { bzero ((char *) ifi_tmp.p_v4addr, 19); bzero ((char *) ifi_tmp.p_v4nmask, 16); bzero ((char *) ifi_tmp.p_v6addr, 44); snprintf (ifi_tmp.p_v6addr, 44, "%s/%d", get_comp_v6 (start), m_argv6.v6splitnum); } v6plus (&start, &sdiff); y = 0; for (z = 0; z < 8; z++) if (end.sip6_addr16[z] != 0xffff) y = 1; if (!y) x = 1; y = 0; z = 0; do { if (end.sip6_addr16[z] > ifi->v6ad.broadcast.sip6_addr16[z]) y = 1; if (ifi->v6ad.broadcast.sip6_addr16[z] > end.sip6_addr16[z]) y = 2; z++; } while (z < 8 && !y); if (!y || y == 1) x = 1; for (z = 0; z < 8; z++) end.sip6_addr16[z] = 0; v6plus (&end, &start); v6plus (&end, &ediff); if ((v6args & V6VERBSPLIT) == V6VERBSPLIT) out_cmdline (&ifi_tmp, v6args_tmp, m_argv6, v6args_tmp, m_argv6, 1, 0); } printf ("\n"); return; } #ifdef HAVE_GETOPT_LONG void print_help () { printf ("%s %s\n\n", NAME, VERSION); printf ("Usage: %s [OPTIONS]... <[ADDRESS]... [INTERFACE]... | [-]>\n\n", NAME); printf ("Global options:\n"); printf (" -a, --all\t\t\tAll possible information.\n"); printf (" -d, --resolve\t\t\tEnable name resolution.\n"); printf (" -h, --help\t\t\tDisplay this help.\n"); printf (" -I, --addr-int=INT\t\tAdded an interface.\n"); printf (" -n, --subnets=NUM\t\tDisplay NUM extra subnets (starting from\n"); printf ("\t\t\t\tthe current subnet). Will display all subnets\n"); printf ("\t\t\t\tin the current /24 if NUM is 0.\n"); printf (" -u, --split-verbose\t\tVerbose split.\n"); printf (" -v, --version\t\t\tVersion information.\n"); printf (" -4, --addr-ipv4=ADDR\t\tAdd an ipv4 address.\n"); printf (" -6, --addr-ipv6=ADDR\t\tAdd an ipv6 address.\n"); printf ("\n"); printf ("IPv4 options:\n"); printf (" -b, --cidr-bitmap\t\tCIDR bitmap.\n"); printf (" -c, --classfull-addr\t\tClassfull address information.\n"); printf (" -i, --cidr-addr\t\tCIDR address information. (default)\n"); printf (" -s, --v4split=MASK\t\tSplit the current network into subnets\n"); printf ("\t\t\t\tof MASK size.\n"); printf (" -w, --wildcard\t\tDisplay information for a wildcard\n"); printf ("\t\t\t\t(inverse mask).\n"); printf (" -x, --classfull-bitmap\tClassfull bitmap.\n"); printf ("\n"); printf ("IPv6 options:\n"); printf (" -e, --v4inv6\t\t\tIPv4 compatible IPv6 information.\n"); printf (" -r, --v6rev\t\t\tIPv6 reverse DNS output.\n"); printf (" -S, --v6split=MASK\t\tSplit the current network into subnets\n\t\t\t\tof MASK size.\n"); printf (" -t, --v6-standard\t\tStandard IPv6. (default)\n"); printf ("\n"); printf ("Address must be in the \"standard\" dotted quad format.\n"); printf ("Netmask can be given in three different ways:\n"); printf (" - Number of bits [/nn]\n"); printf (" - Dotted quad [nnn.nnn.nnn.nnn]\n"); printf (" - Hex [0xnnnnnnnn | nnnnnnnn]\n"); printf ("\n"); printf ("Interface must be a valid network interface on the system.\n"); printf ("If this options is used an attempt will be made to gain the address\n"); printf ("and netmask from the specified interface.\n"); printf ("\n"); printf ("Replacing address/interface with '-' will use stdin for reading further\n"); printf ("arguments.\n"); printf ("\n"); printf ("Report bugs to .\n"); return; } #else /* ! HAVE_GETOPT_LONG */ void print_help () { printf ("%s %s\n\n", NAME, VERSION); printf ("Usage: %s [OPTIONS]... <[ADDRESS]... [INTERFACE]... | [-]>\n\n", NAME); printf ("Global options:\n"); printf (" -a\t\tAll possible information.\n"); printf (" -d\t\tEnable name resolution.\n"); printf (" -h\t\tDisplay this help.\n"); printf (" -I\t\tAdded an interface.\n"); printf (" -n n\t\tDisplay n extra subnets (starting from current subnet).\n"); printf ("\t\tWill display all subnets in the current /24 if n is 0.\n"); printf (" -u\t\tVerbose split.\n"); printf (" -v\t\tVersion information.\n"); printf (" -4\t\tAdd an ipv4 address.\n"); printf (" -6\t\tAdd an ipv6 address.\n"); printf ("\n"); printf ("IPv4 options:\n"); printf (" -b\t\tCIDR bitmap.\n"); printf (" -c\t\tClassfull address information.\n"); printf (" -i\t\tCIDR address information. (default)\n"); printf (" -s\t\tSplit the current network into subnets of MASK size.\n"); printf (" -w\t\tDisplay information for a wildcard (inverse mask).\n"); printf (" -x\t\tClassfull bitmap.\n"); printf ("\n"); printf ("IPv6 options:\n"); printf (" -e\t\tIPv4 compatible IPv6 information.\n"); printf (" -r\t\tIPv6 reverse DNS output.\n"); printf (" -S\t\tSplit the current network into subnets of MASK size.\n"); printf (" -t\t\tStandard IPv6. (default)\n"); printf ("\n"); printf ("Address must be in the \"standard\" dotted quad format.\n"); printf ("Netmask can be given in three different ways:\n"); printf (" - Number of bits [/nn]\n"); printf (" - Dotted quad [nnn.nnn.nnn.nnn]\n"); printf (" - Hex [0xnnnnnnnn | nnnnnnnn]\n"); printf ("\n"); printf ("Interface must be a valid network interface on the system.\n"); printf ("If this options is used an attempt will be made to gain the address\n"); printf ("and netmask from the specified interface.\n"); printf ("\n"); printf ("Replacing address/interface with '-' will use stdin for reading further\n"); printf ("arguments.\n"); printf ("\n"); printf ("Report bugs to .\n"); return; } #endif /* HAVE_GETOPT_LONG */ void print_short_help () { printf ("Usage: %s [OPTIONS]... <[ADDRESS]... [INTERFACE]... | [-]>\n", NAME); printf ("Try '%s -h' for more information.\n", NAME); } void print_version () { printf ("%s %s\n", NAME, VERSION); printf ("Written by Simon Ekstrand.\n"); printf ("\n"); printf ("Copyright (C) 2003-2005 Simon Ekstrand.\n"); printf ("This is free software; see the source for copying conditions. There is NO\n"); printf ("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"); } sipcalc-1.1.5/src/sub.c0000644000175000017500000006076211231152216011606 00000000000000/* * sipcalc, sub.c * * $Id: sub.c,v 1.39 2003/03/19 12:28:16 simius Exp $ * * - * Copyright (c) 2003 Simon Ekstrand * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ static const char rcsid[] = "$Id: sub.c,v 1.39 2003/03/19 12:28:16 simius Exp $"; #ifdef HAVE_CONFIG_H #include #endif #include #ifdef STDC_HEADERS #include #endif #include #include #ifdef HAVE_UNISTD_H #include #endif #if defined(HAVE_GETOPT_LONG) && defined(HAVE_GETOPT_H) #define _GNU_SOURCE #include #endif #include "sub.h" #include "sub-o.h" extern char *optarg; extern int optind, opterr, optopt; int resolve; int out_cmdline (struct if_info *ifarg_cur, int v4args, struct misc_args m_argv4, int v6args, struct misc_args m_argv6, int recurse, int index) { int ret; ret = 0; if (ifarg_cur->type == IFT_V4) { printf ("-[ipv4 : %s] - %d\n", ifarg_cur->cmdstr, index); ret = get_addrv4 (ifarg_cur); } if (ifarg_cur->type == IFT_V6) { printf ("-[ipv6 : %s] - %d\n", ifarg_cur->cmdstr, index); ret = get_addrv6 (ifarg_cur); } if (ifarg_cur->type == IFT_INTV4 || ifarg_cur->type == IFT_INTV6) { printf ("-[int-ipv4 : %s] - %d\n", ifarg_cur->cmdstr, index); if (ifarg_cur->errorstr[0] != '\0') { printf ("\n-[ERR : %s]\n\n-\n", ifarg_cur->errorstr); return 0; } ret = get_addrv4 (ifarg_cur); } if (ifarg_cur->type == IFT_UNKWN) { printf ("-[unknown : %s] - %d\n", ifarg_cur->cmdstr, index); printf ("\n-[ERR : %s]\n\n-\n", ifarg_cur->errorstr); return 0; } if (ret == -1) { printf ("\n-[ERR : Invalid address]\n\n-\n"); return 0; } if (ret == -2) { printf ("\n-[ERR : Invalid netmask]\n\n-\n"); return 0; } if (ifarg_cur->type == IFT_V4 || ifarg_cur->type == IFT_INTV4) { if (!v4args) v4args = CIDR_INFO; printf ("\n"); if ((v4args & CF_INFO) == CF_INFO) print_cf_info_v4 (ifarg_cur); if ((v4args & CIDR_INFO) == CIDR_INFO) print_cidr_info_v4 (ifarg_cur); if ((v4args & CF_BITMAP) == CF_BITMAP) print_cf_bitmap_v4 (ifarg_cur); if ((v4args & CIDR_BITMAP) == CIDR_BITMAP) print_cidr_bitmap_v4 (ifarg_cur); if ((v4args & NET_INFO) == NET_INFO) show_networks_v4 (ifarg_cur, m_argv4.numnets); if ((v4args & V4SPLIT) == V4SPLIT) show_split_networks_v4 (ifarg_cur, m_argv4.splitmask, v4args, m_argv4); if ((v4args & C_WILDCARD) == C_WILDCARD) show_c_wildcard_info_v4 (ifarg_cur); printf ("-\n"); } if (ifarg_cur->type == IFT_V6 || ifarg_cur->type == IFT_INTV6) { if (!v6args) v6args = V6_INFO; printf ("\n"); if ((v6args & V6_INFO) == V6_INFO) print_v6 (ifarg_cur); if ((v6args & V4INV6) == V4INV6) print_v4inv6 (ifarg_cur); if ((v6args & V6REV) == V6REV) print_rev_v6 (ifarg_cur); if ((v6args & V6SPLIT) == V6SPLIT) show_split_networks_v6 (ifarg_cur, m_argv6.v6splitmask, v6args, m_argv6); printf ("-\n"); } return 0; } int cleanline (char *sbuf, char *dbuf) { int x, y; for (x = 0; x < strlen (sbuf); x++) { if (sbuf[x] == '\n') sbuf[x] = ' '; if (sbuf[x] == '\t') sbuf[x] = ' '; if (sbuf[x] == '#') sbuf[x] = '\0'; } x = strlen (sbuf) - 1; while (sbuf[x] == ' ' && x > -1) { sbuf[x] = '\0'; x--; } if (!strlen (sbuf)) return 0; x = 0; y = 0; while (x < strlen (sbuf)) { if (sbuf[x] == ' ' && x) { dbuf[y] = ' '; y++; } while (sbuf[x] == ' ' && x < strlen (sbuf)) x++; while (sbuf[x] != ' ' && x < strlen (sbuf)) { dbuf[y] = sbuf[x]; y++; x++; } if (dbuf[y - 1] == ' ') return 0; } if (dbuf[strlen (dbuf) - 1] == ' ') dbuf[strlen (dbuf) - 1] = '\0'; y = 1; for (x = 0; x < strlen (dbuf); x++) if (dbuf[x] == ' ') y++; return y; } int get_stdin (char *args[]) { char buf[2], sbuf[128], dbuf[128], *arg1, *arg2; int x, y, z, argmax; bzero ((char *) buf, 2); argmax = (IFNAMSIZ + 1 > 19) ? IFNAMSIZ + 1 : 19; arg1 = (char *) malloc (argmax); arg2 = (char *) malloc (16); bzero ((char *) arg1, argmax); bzero ((char *) arg2, 16); bzero ((char *) sbuf, 128); bzero ((char *) dbuf, 128); while (!sbuf[0]) { x = 0; y = 0; bzero ((char *) sbuf, 128); do { x = read (0, buf, 1); if (x == 1) sbuf[y] = buf[0]; y++; } while (x > 0 && buf[0] != '\n' && y < 127); if (x < 0) { free (arg1); free (arg2); return -1; } if (!x) break; while (buf[0] != '\n' && x == 1) x = read (0, buf, 1); if (x < 0) { free (arg1); free (arg2); return -1; } if (!x) break; }; if (!sbuf[0]) { free (arg1); free (arg2); return -2; } x = cleanline (sbuf, dbuf); if (x < 1) { free (arg1); free (arg2); return x; } y = 0; while (y < strlen (dbuf) && y < argmax && dbuf[y] != ' ') { arg1[y] = dbuf[y]; y++; } y++; z = 0; while (y < strlen (dbuf) && z < 15 && dbuf[y] != ' ') { arg2[z] = dbuf[y]; y++; z++; } strncpy (args[0], arg1, 127); strncpy (args[1], arg2, 127); free (arg1); free (arg2); return x; } struct argbox * new_arg (struct argbox *abox) { abox->next = (struct argbox *) malloc (sizeof (struct argbox)); abox = abox->next; bzero ((char *) abox, 128); abox->type = 0; abox->resolv = 0; abox->next = NULL; return abox; } void free_boxargs (struct argbox *abox) { struct argbox *old; while (abox) { old = abox; abox = abox->next; free (old); } } /* * This function will try to populate an argumentbox. * This is slightly difficult due to the numerous different possible * input types, ie. v4addr, dotted quad netmask, /netmask, hex netmask, * v6addr, interface name etc. * This forces to have to try to guess what a user means in some cases. * This method can be fairly unforgiving with typos. */ struct argbox * get_boxargs (int argc, char *argv[], int argcount, struct argbox *abox_cur) { char expaddr[128]; int x, y; int error; error = 0; /* * We use goto's here *gasp*. */ while (argv[argcount]) { bzero ((char *) expaddr, 128); strncpy (expaddr, argv[argcount], 127); /* * Baaad argument. */ if (strlen (argv[argcount]) > 127) { printf ("-[ERR : INVALID ARG - %s]\n", expaddr); error = 1; goto complete; } /* * Is this a v6 address? */ x = validate_v6addr (expaddr); if (x) { strncpy (abox_cur->str, expaddr, 127); abox_cur->type = AT_V6; abox_cur->resolv = 0; abox_cur = new_arg (abox_cur); goto complete; } /* * Nope, is it an ipv4 address with a /xx mask? * * NOTE: validate_netmask returns different values if it finds * other types of netmasks to, but we only match on the above * here. */ x = validate_netmask (expaddr); if (x == 2) { strncpy (abox_cur->str, expaddr, 127); abox_cur->type = AT_V4; abox_cur->resolv = 0; abox_cur = new_arg (abox_cur); goto complete; } /* * No, so is it a plain ipv4 address? */ x = validate_v4addr (expaddr); if (x) { y = 0; /* * It is, does that mean the next argument is a * netmask? */ if (argcount + 1 < argc) y = validate_netmask (argv[argcount + 1]); /* * 1 == 'normal' netmask * 3 == hex netmask */ if (y == 1 || y == 3) { snprintf (abox_cur->str, 34, "%s %s", expaddr, argv[argcount + 1]); argcount++; } else snprintf (abox_cur->str, 18, "%s", expaddr); abox_cur->type = AT_V4; abox_cur->resolv = 0; abox_cur = new_arg (abox_cur); goto complete; } y = 0; if (argcount + 1 < argc) y = validate_netmask (argv[argcount + 1]); if (y == 1 || y == 3) { snprintf (abox_cur->str, 127, "%s %s", expaddr, argv[argcount + 1]); argcount++; } else strncpy (abox_cur->str, expaddr, 127); abox_cur->type = AT_UNKWN; abox_cur->resolv = 1; abox_cur = new_arg (abox_cur); complete: bzero ((char *) expaddr, 128); argcount++; } if (error) printf("\n"); return abox_cur; } void show_abox (struct argbox *a) { while(a) { printf("%s - %d - %d\n", a->str, a->type, a->resolv); a = a->next; } } struct if_info * parse_abox (struct argbox *abox, struct if_info *if_start) { struct if_info *ifarg_start, *ifarg_cur, *ifarg_old; struct if_info *if_cur; struct dnsresp *d_resp_start, *d_resp_cur; char *tmpstr; int x, if_found; ifarg_old = ifarg_cur = ifarg_start = (struct if_info *) malloc (sizeof (struct if_info)); ifarg_cur->next = NULL; bzero ((char *) ifarg_cur->name, IFNAMSIZ); bzero ((char *) ifarg_cur->p_v4addr, 19); bzero ((char *) ifarg_cur->p_v4nmask, 16); while (abox) { if (abox->type == AT_V4 && !abox->resolv) { tmpstr = strstr (abox->str, " "); if (tmpstr != NULL && (strlen (tmpstr) > 0)) { tmpstr++; x = 0; while (x < 15 && tmpstr[x] != ' ' && x < strlen(tmpstr)) { ifarg_cur->p_v4nmask[x] = tmpstr[x]; x++; } } x = 0; while (x < 18 && abox->str[x] != ' ') { ifarg_cur->p_v4addr[x] = abox->str[x]; x++; } ifarg_cur->type = IFT_V4; strncpy (ifarg_cur->cmdstr, abox->str, 127); } if (abox->type == AT_V4 && abox->resolv) { d_resp_start = d_resp_cur = (struct dnsresp *) malloc (sizeof (struct dnsresp)); d_resp_start->next = NULL; bzero((char *) d_resp_start->str, 128); d_resp_start->type = 0; tmpstr = resolve_addr (abox->str, PF_INET, d_resp_cur); if (tmpstr) { d_resp_cur = d_resp_start; while (d_resp_cur) { strncpy (ifarg_cur->cmdstr, abox->str, 127); tmpstr = strstr (d_resp_cur->str, " "); if (tmpstr != NULL && (strlen (tmpstr) > 0)) { tmpstr++; x = 0; while (x < 15 && tmpstr[x] != ' ' && x < strlen(tmpstr)) { ifarg_cur->p_v4nmask[x] = tmpstr[x]; x++; } } x = 0; while (x < 18 && d_resp_cur->str[x] != ' ') { ifarg_cur->p_v4addr[x] = d_resp_cur->str[x]; x++; } ifarg_cur->type = IFT_V4; if (d_resp_cur->next) ifarg_cur = new_if (ifarg_cur); d_resp_cur = d_resp_cur->next; } } else { strncpy (ifarg_cur->p_v4addr, abox->str, 18); strncpy (ifarg_cur->cmdstr, abox->str, 127); ifarg_cur->type = IFT_V4; } free_dnsresp (d_resp_start); } if (abox->type == AT_V6 && !abox->resolv) { strncpy (ifarg_cur->p_v6addr, abox->str, 43); strncpy (ifarg_cur->cmdstr, abox->str, 127); mk_ipv6addr (&ifarg_cur->v6ad, ifarg_cur->p_v6addr); ifarg_cur->type = IFT_V6; } if (abox->type == AT_V6 && abox->resolv) { d_resp_start = d_resp_cur = (struct dnsresp *) malloc (sizeof (struct dnsresp)); d_resp_start->next = NULL; bzero((char *) d_resp_start->str, 128); d_resp_start->type = 0; tmpstr = resolve_addr (abox->str, PF_INET6, d_resp_cur); if (tmpstr) { d_resp_cur = d_resp_start; while (d_resp_cur) { strncpy (ifarg_cur->cmdstr, abox->str, 127); strncpy (ifarg_cur->p_v6addr, d_resp_cur->str, 43); ifarg_cur->type = IFT_V6; mk_ipv6addr (&ifarg_cur->v6ad, ifarg_cur->p_v6addr); if (d_resp_cur->next) ifarg_cur = new_if (ifarg_cur); d_resp_cur = d_resp_cur->next; } } else { strncpy (ifarg_cur->cmdstr, abox->str, 127); strncpy (ifarg_cur->p_v6addr, abox->str, 43); ifarg_cur->type = IFT_V6; mk_ipv6addr (&ifarg_cur->v6ad, ifarg_cur->p_v6addr); } free_dnsresp (d_resp_start); } if (abox->type == AT_INT) { if_cur = if_start; if_found = 0; while (if_cur) { if (!strcmp (abox->str, if_cur->name)) { if (if_found) { ifarg_old = ifarg_cur; ifarg_cur = new_if (ifarg_cur); } memcpy ((struct if_info *) ifarg_cur, (struct if_info *) if_cur, sizeof (struct if_info)); ifarg_cur->type = IFT_INTV4; strncpy (ifarg_cur->cmdstr, abox->str, 127); if_found = 1; } if_cur = if_cur->next; } if (!if_found) { strncpy (ifarg_cur->name, abox->str, IFNAMSIZ); strncpy (ifarg_cur->cmdstr, abox->str, 127); snprintf(ifarg_cur->errorstr, sizeof(ifarg_cur->errorstr), "Unable to retrieve interface information"); ifarg_cur->type = IFT_INTV4; } } if (abox->type == AT_UNKWN && !abox->resolv) { if_cur = if_start; if_found = 0; while (if_cur) { if (!strcmp (abox->str, if_cur->name)) { if (if_found) { ifarg_old = ifarg_cur; ifarg_cur = new_if (ifarg_cur); } memcpy ((struct if_info *) ifarg_cur, (struct if_info *) if_cur, sizeof (struct if_info)); ifarg_cur->type = IFT_INTV4; strncpy (ifarg_cur->cmdstr, abox->str, 127); if_found = 1; } if_cur = if_cur->next; } if (!if_found) { strncpy (ifarg_cur->name, abox->str, IFNAMSIZ); strncpy (ifarg_cur->cmdstr, abox->str, 127); snprintf(ifarg_cur->errorstr, sizeof(ifarg_cur->errorstr), "Unable to retrieve interface information"); ifarg_cur->type = IFT_INTV4; } } if (abox->type == AT_UNKWN && abox->resolv) { d_resp_start = d_resp_cur = (struct dnsresp *) malloc (sizeof (struct dnsresp)); d_resp_start->next = NULL; bzero((char *) d_resp_start->str, 128); d_resp_start->type = 0; tmpstr = resolve_addr (abox->str, PF_UNSPEC, d_resp_cur); if (tmpstr) { d_resp_cur = d_resp_start; while (d_resp_cur) { strncpy (ifarg_cur->cmdstr, abox->str, 127); if (d_resp_cur->type == AF_INET6) { strncpy (ifarg_cur->p_v6addr, d_resp_cur->str, 43); ifarg_cur->type = IFT_V6; mk_ipv6addr (&ifarg_cur->v6ad, ifarg_cur->p_v6addr); } if (d_resp_cur->type == AF_INET) { tmpstr = strstr (d_resp_cur->str, " "); if (tmpstr != NULL && (strlen (tmpstr) > 0)) { tmpstr++; x = 0; while (x < 15 && tmpstr[x] != ' ' && x < strlen(tmpstr)) { ifarg_cur->p_v4nmask[x] = tmpstr[x]; x++; } } x = 0; while (x < 18 && d_resp_cur->str[x] != ' ') { ifarg_cur->p_v4addr[x] = d_resp_cur->str[x]; x++; } ifarg_cur->type = IFT_V4; } if (d_resp_cur->next) ifarg_cur = new_if (ifarg_cur); d_resp_cur = d_resp_cur->next; } free_dnsresp (d_resp_start); } else { if_cur = if_start; if_found = 0; while (if_cur) { if (!strcmp (abox->str, if_cur->name)) { if (if_found) { ifarg_old = ifarg_cur; ifarg_cur = new_if (ifarg_cur); } memcpy ((struct if_info *) ifarg_cur, (struct if_info *) if_cur, sizeof (struct if_info)); ifarg_cur->type = IFT_INTV4; strncpy (ifarg_cur->cmdstr, abox->str, 127); if_found = 1; } if_cur = if_cur->next; } if (!if_found) { strncpy (ifarg_cur->cmdstr, abox->str, 127); snprintf(ifarg_cur->errorstr, sizeof(ifarg_cur->errorstr), "Unparsable argument."); ifarg_cur->type = IFT_UNKWN; } } } abox = abox->next; ifarg_old = ifarg_cur; ifarg_cur = new_if (ifarg_cur); } ifarg_old->next = NULL; free (ifarg_cur); ifarg_cur = NULL; if (ifarg_start == ifarg_cur) { free (ifarg_start); return NULL; } return ifarg_start; } int main (int argc, char *argv[]) { int x, y, z, m, v4args, v6args, iffound, argcount, first_err; struct if_info *if_start, *if_cur; struct if_info *ifarg_start, *ifarg_cur, *ifarg_old; int ch, parse_stdin, index; struct misc_args m_argv4, m_argv6; int split_errv4, split_errv6; char expaddr[128]; char oldcmdstr[128]; struct argbox *abox_start, *abox_cur, *abox_tmp; char *stdinarg[3]; #ifdef HAVE_GETOPT_LONG static struct option l_o[] = { {"all", no_argument, 0, 'a'}, {"cidr-bitmap", no_argument, 0, 'b'}, {"classfull-addr", no_argument, 0, 'c'}, {"help", no_argument, 0, 'h'}, {"cidr-addr", no_argument, 0, 'i'}, {"subnets", required_argument, 0, 'n'}, {"v4split", required_argument, 0, 's'}, {"v6-standard", no_argument, 0, 't'}, {"version", no_argument, 0, 'v'}, {"classfull-bitmap", no_argument, 0, 'x'}, {"addr-ipv4", required_argument, 0, '4'}, {"addr-ipv6", required_argument, 0, '6'}, {"addr-int", required_argument, 0, 'I'}, {"v4inv6", no_argument, 0, 'e'}, {"v6split", required_argument, 0, 'S'}, {"v6rev", no_argument, 0, 'r'}, {"split-verbose", no_argument, 0, 'u'}, {"resolve", no_argument, 0, 'd'}, {"wildcard", no_argument, 0, 'w'}, {0, 0, 0, 0} }; #endif if (argc < 2) { print_short_help (); return 0; } parse_stdin = 0; v4args = 0; v6args = 0; m_argv4.splitmask = 0; m_argv4.numnets = 0; m_argv6.splitmask = 0; m_argv6.numnets = 0; split_errv4 = 0; split_errv6 = 0; first_err = 1; ifarg_start = NULL; ifarg_old = NULL; resolve = 0; /* * abox == argument box == a box that holds (commandline) arguments :) * This is the structure we use to store all user input parsed into * (hopefully) managable chunks. * This excludes most of the -[a-z] flags, they're generally handled by * v[4,6]args. */ abox_start = abox_cur = (struct argbox *) malloc (sizeof (struct argbox)); bzero ((char *) abox_cur, 128); abox_cur->type = 0; abox_cur->resolv = 0; abox_cur->next = NULL; /* * v[4,6]args holds flags based on commandline arguments for what we * want to output. */ #ifdef HAVE_GETOPT_LONG while ((ch = getopt_long (argc, argv, "abcdehHiI:n:rs:S:tuvVwx4:6:", l_o, NULL)) != -1) { #else while ((ch = getopt (argc, argv, "abcdehHiI:n:rs:S:tuvVwx4:6:")) != -1) { #endif switch (ch) { case 'a': v4args = v4args | CF_INFO | CF_BITMAP | CIDR_INFO | CIDR_BITMAP | NET_INFO; v6args = v6args | V6_INFO | V4INV6 | V6REV; break; case 'b': v4args = v4args | CIDR_BITMAP; break; case 'c': v4args = v4args | CF_INFO; break; case 'd': resolve = 1; #if (!defined(HAVE_GETHOSTBYNAME2) && !defined(HAVE_GETADDRINFO)) || !defined(HAVE_INET_NTOP) printf("-[INFO : IPv6 address resolution will fail due to lack of OS support]\n"); #endif break; case 'e': v6args = v6args | V4INV6; break; case 'h': case 'H': print_help (); return 0; case 'i': v4args = v4args | CIDR_INFO; break; case 'n': v4args = v4args | NET_INFO; m_argv4.numnets = atoi (optarg); break; case 'r': v6args = v6args | V6REV; break; case 's': y = getsplitnumv4 (optarg, &m_argv4.splitmask); if (!y) { v4args = v4args | V4SPLIT; } else { printf ("-[ERR : Invalid IPv4 splitmask, unable to split]\n"); split_errv4 = 1; } break; case 'S': y = getsplitnumv6 (optarg, &m_argv6.v6splitmask, &m_argv6.v6splitnum); if (!y) { v6args = v6args | V6SPLIT; } else { printf ("-[ERR : Invalid IPv6 splitmask, unable to split]\n"); split_errv6 = 1; } break; case 't': v6args = v6args | V6_INFO; break; case 'u': v4args = v4args | V4VERBSPLIT; v6args = v6args | V6VERBSPLIT; break; case 'v': case 'V': print_version (); return 0; case 'w': v4args = v4args | C_WILDCARD; break; case 'x': v4args = v4args | CF_BITMAP; break; case '?': printf ("Try '%s -h' for more information.\n", NAME); return 0; case '4': strncpy (abox_cur->str, optarg, 127); abox_cur->type = AT_V4; abox_cur->resolv = 1; if (validate_netmask (optarg) == 2) abox_cur->resolv = 0; if (validate_v4addr (optarg) == 1) abox_cur->resolv = 0; abox_cur = new_arg (abox_cur); break; case '6': strncpy (abox_cur->str, optarg, 127); abox_cur->type = AT_V6; abox_cur->resolv = 1; if (validate_v6addr (expaddr) == 1) abox_cur->resolv = 0; abox_cur = new_arg (abox_cur); break; case 'I': strncpy (abox_cur->str, optarg, 127); abox_cur->type = AT_INT; abox_cur->resolv = 0; abox_cur = new_arg (abox_cur); break; default: print_short_help (); return 0; } } if (!v4args && !v6args && (split_errv4 || split_errv6)) { printf ("-[ERR : No valid commands recieved]\n"); free_boxargs (abox_start); return -1; } if (split_errv4 || split_errv6) printf ("\n"); argcount = optind; /* * Our default v4 and v6 options, hopefully what's mostly used. */ if (!v4args) v4args = CIDR_INFO; if (!v6args) v6args = V6_INFO; if (m_argv4.numnets < 1) m_argv4.numnets = -1; if (argv[argcount]) { if (argv[argcount][0] == '-' && argv[argcount][1] == '\0') parse_stdin = 1; } else { if (abox_start->str[0] == '\0') { print_short_help (); free_boxargs (abox_start); return 0; } } /* * Populate our argumentbox. * (Ie., see what's on the commandline). */ if (!parse_stdin && argv[argcount]) { abox_cur = get_boxargs (argc, argv, argcount, abox_cur); abox_tmp = abox_start; while (abox_tmp->next != abox_cur) { abox_tmp = abox_tmp->next; } abox_tmp->next=NULL; free (abox_cur); abox_cur = NULL; } abox_tmp = abox_start; if (!resolve) { while (abox_tmp) { abox_tmp->resolv = 0; abox_tmp = abox_tmp->next; } } #if 0 show_abox (abox_start); #endif /* * This will try to gather information about the network interfaces * present on the local machine. */ if_start = NULL; if_cur = NULL; if (!(if_cur = if_start = get_if_ext ())) { printf ("-[INFO : Unable to retrieve interface information]\n"); printf ("-[INFO : Will only parse none interface arguments]\n\n"); } if (!parse_stdin) ifarg_cur = ifarg_start = parse_abox (abox_start, if_start); if (!ifarg_start && !parse_stdin) { printf ("-[FATAL : No valid commandline arguments found]\n\n"); return -1; } iffound = 0; index = 0; ifarg_cur = ifarg_start; bzero ((char *) oldcmdstr, 128); while (ifarg_cur && !parse_stdin) { if (strlen (ifarg_cur->cmdstr) > 0) { if (!strcmp (ifarg_cur->cmdstr, oldcmdstr)) index++; else index = 0; } else { index = 0; } iffound += out_cmdline (ifarg_cur, v4args, m_argv4, v6args, m_argv6, 0, index); strcpy (oldcmdstr, ifarg_cur->cmdstr); ifarg_cur = ifarg_cur->next; } z = 0; y = 1; while (parse_stdin && y > -1) { stdinarg[0] = (char *) malloc (128); stdinarg[1] = (char *) malloc (128); stdinarg[2] = NULL; for (x = 0; x < 2; x++) bzero ((char *) stdinarg[x], 128); y = get_stdin (stdinarg); if (y > 0) { m = 2; if (stdinarg[1][0] == '\0') { free (stdinarg[1]); stdinarg[1] = NULL; m = 1; } abox_cur = get_boxargs (m, stdinarg, 0, abox_cur); abox_tmp = abox_start; while (abox_tmp->next != abox_cur && abox_tmp != abox_cur) { abox_tmp = abox_tmp->next; } abox_tmp->next=NULL; free (abox_cur); abox_cur = NULL; abox_tmp = abox_start; if (!resolve) { while (abox_tmp) { abox_tmp->resolv = 0; abox_tmp = abox_tmp->next; } } ifarg_cur = ifarg_start = parse_abox (abox_start, if_start); if (ifarg_start) { iffound = 0; index = 0; ifarg_cur = ifarg_start; bzero ((char *) oldcmdstr, 128); while (ifarg_cur) { if (strlen (ifarg_cur->cmdstr) > 0) { if (!strcmp (ifarg_cur->cmdstr, oldcmdstr)) index++; else index = 0; } else { index = 0; } iffound += out_cmdline (ifarg_cur, v4args, m_argv4, v6args, m_argv6, 0, index); strcpy (oldcmdstr, ifarg_cur->cmdstr); ifarg_cur = ifarg_cur->next; } } z = 1; free_if (ifarg_start); free_boxargs (abox_start); abox_start = abox_cur = (struct argbox *) malloc (sizeof (struct argbox)); bzero ((char *) abox_cur, 128); abox_cur->type = 0; abox_cur->resolv = 0; abox_cur->next = NULL; } for (x = 0; x < 2; x++) { if (stdinarg[x]) { free (stdinarg[x]); stdinarg[x] = NULL; } } if (y == -1) printf ("\n-[ERR : Problem parsing stdin]\n\n"); } if (parse_stdin) { free (stdinarg[0]); free (stdinarg[1]); } if (!z && parse_stdin) printf ("-[FATAL : No arguments found on stdin]\n\n"); if (!parse_stdin) free_if (ifarg_start); free_if (if_start); return iffound; }