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* iptables/extensions: make bundled options work againJan Engelhardt2009-11-031-2/+2
| | | | | | | | | | | | | When using a bundled option like "-ptcp", 'argv[optind-1]' would logically point to "-ptcp", but this is obviously not right. 'optarg' is needed instead, which if properly offset to "tcp". Not all places change optind-based access to optarg; where look-ahead is needed, such as for tcp's --tcp-flags option for example, optind is ok. References: http://bugzilla.netfilter.org/show_bug.cgi?id=611 Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* libxtables: hand argv to xtables_check_inverseJan Engelhardt2009-11-031-2/+2
| | | | | | | | | In going to fix NF bug #611, "argv" is needed in xtables_check_inverse to set "optarg" to the right spot in case of an intrapositional negation. References: http://bugzilla.netfilter.org/show_bug.cgi?id=611 Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* extensions: collapse data variables to use multi-reg callsJan Engelhardt2009-06-261-32/+32
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* extensions: use NFPROTO_UNSPEC for .family fieldJan Engelhardt2009-06-011-2/+2
| | | | | | | | This constant would be the designated one for the .family field; it also, given recent changes, makes grep for NFPROTO_UNSPEC work to finally recollect all manpages. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* string: fix wrong pattern length calculationPablo Neira Ayuso2009-03-021-4/+4
| | | | | | | | This fixes a problem introduced in 37b4bde745698bf140d74e59a2561f34deeb8726 that leads to the wrong calculation of the pattern length in the string match. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* libxtables: prefix exit_error to xtables_errorJan Engelhardt2009-02-211-19/+19
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* libxt_string: fix undefined behavior/incorrect patlen calculationJan Engelhardt2009-02-121-1/+3
| | | | | | | strlen ran over the end of the string. Use strnlen to bound it. Reference: http://bugs.debian.org/513516 Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* libxtables: prefix/order - move check_inverse to xtables.cJan Engelhardt2009-01-301-2/+2
| | | | | | | This also adds a warning that intrapositional negation support is deprecated. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* extensions: use UINT_MAX constants over open-coded bits (1/2)Jan Engelhardt2009-01-271-1/+1
| | | | | | ~0 depends on the sizeof(int), so it is better to use UINT32_MAX. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* iptables-save: output ! in position according to manpageJan Engelhardt2008-12-091-2/+2
| | | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
* src: Update commentsJan Engelhardt2008-09-011-8/+0
| | | | | | | | A number of comments are redundant, some outdated and others outright wrong in their own way. Remove and fixup. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
* xt_string: string extension case insensitive matchingJoonwoo Park2008-07-071-10/+60
| | | | | | | | | The string extension can search patterns case insensitively with --icase option. A new revision 1 was added, in the meantime invert of xt_string_info was moved into flags as a flag. Signed-off-by: Joonwoo Park <joonwpark81@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
* manpage updatesJan Engelhardt2008-06-081-2/+2
| | | | | | | | | A number of options support negation, but the manpage did not reflect this ("[!]" was absent). Also fix a few [] (optional arguments) to {} (required arguments) in the option-BNF. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
* Remove old functions, constantsJan Engelhardt2008-04-151-4/+3
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* Implement AF_UNSPEC as a wildcard for extensionsJan Engelhardt2008-04-141-18/+1
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* fix gcc warningsMax Kellermann2008-01-291-1/+1
| | | | Max Kellermann <max@duempel.org>
* Unique symbols 1/6Jan Engelhardt2007-10-041-35/+28
| | | | | | | | | | | Give symbols of libxt matches unique names (1/3). Adds unique prefixes to all functions (most of them - especially the hook functions) so that debugging programs can unambiguously map a symbol to an address. Also unifies the names of the xtables_match/xtables_target structs, (based upon libxt_connmark.c/libip6t_*.c). Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
* Fix sparse warnings: non-ANSI function declarations, 0 used as pointerPatrick McHardy2007-09-081-6/+6
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* Remove last vestiges of NFC (Peter Riley <Peter.Riley@hotpop.com>)Peter Riley2007-09-021-2/+1
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* Make the option structures const.Jan Engelhardt2007-07-301-1/+1
| | | | Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
* Add IPv6 support to string matchYasuyuki KOZAKAI2007-07-241-0/+16
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* Moves libipt_string.c to libxt_string.cYasuyuki KOZAKAI2007-07-241-0/+355
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