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* libxt_u32: do bounds checking for @'s operandsJan Engelhardt2012-07-311-8/+4
| | | | | | | | Using only strtoul is prone to accept all values, including negative ones which are not explicitly allowed. Therefore, use xtables_strtoui with bounds checking. Signed-off-by: Jan Engelhardt <jengelh@inai.de>
* libxt_u32: fix missing allowance for inversionJan Engelhardt2011-08-201-1/+1
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* libxt_u32: --u32 option is requiredJan Engelhardt2011-05-241-1/+2
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* libxt_u32: add missing call to xtables_option_parseJan Engelhardt2011-05-081-0/+1
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* libxt_u32: use guided option parserJan Engelhardt2011-04-061-22/+17
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* iptables: do not print trailing whitespacesJan Engelhardt2011-01-311-6/+6
| | | | | | | | | | | | | | | | | Due to the use of printf("foobar "), iptables emits spaces at the end-of-line, which looks odd to some users because it causes the terminal to wrap even if there is seemingly nothing to print. It may also have other points of annoyance, such as mailers interpreting a trailing space as an indicator that the paragraph continues when format=flowed is also on. And git highlights trailing spaces in red, so let's avoid :) Preexisting inconsistencies in outputting spaces in the right spot are also addressed right away. References: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=429579 Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* libxt_u32: enclose argument in quotesJan Engelhardt2011-01-311-1/+2
| | | | | | | Otherwise ip6tables-save piped to ip6tables-restore can cause a parse error when the expression list is empty. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* src: use C99/POSIX typesJan Engelhardt2011-01-081-2/+2
| | | | | | "u_int" was a non-standardized extension predating C99 on some platforms. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* all: consistent syntax use in struct optionJan Engelhardt2010-07-231-2/+3
| | | | | | Try to inhibit copypasting old stuff. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* iptables/extensions: make bundled options work againJan Engelhardt2009-11-031-1/+1
| | | | | | | | | | | | | 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>
* extensions: use NFPROTO_UNSPEC for .family fieldJan Engelhardt2009-06-011-1/+1
| | | | | | | | 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>
* libxtables: prefix exit_error to xtables_errorJan Engelhardt2009-02-211-15/+15
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* src: remove redundant returns at end of void-returning functionsJan Engelhardt2009-01-271-2/+0
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* src: Update commentsJan Engelhardt2008-09-011-1/+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>
* src: use regular includesJan Engelhardt2008-09-011-1/+1
| | | | | | | | iptables ships with all header files and prioritized its own include directory over /usr/include/linux, so just use the normal brackets. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
* Remove old functions, constantsJan Engelhardt2008-04-151-5/+3
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* Implement AF_UNSPEC as a wildcard for extensionsJan Engelhardt2008-04-141-16/+1
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* fix gcc warningsMax Kellermann2008-01-291-1/+1
| | | | Max Kellermann <max@duempel.org>
* Transfer all my copyright over to our company.Jan Engelhardt2007-10-201-1/+3
| | | | Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
* Unique symbols 1/6Jan Engelhardt2007-10-041-4/+4
| | | | | | | | | | | 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>
* Delete empty ->final_check() functionsJan Engelhardt2007-10-041-6/+0
| | | | | | | Deletes empty ->final_check() functions, and makes ip[6]tables checks for NULL on these. Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
* Couldn't load/find match `u32'Hann-Huei Chiou2007-09-281-0/+1
| | | | | | | | | | iptables (up to 0927 snapshot) keeps complaining of "Couldn't load (or find, if NO_SHARED_LIBS=1) match `u32'. After comparing with other libxt_*.c, I found that there's no member ".family" in the "u32_reg" structure, while ".family = AF_INET6" exists in "u32_reg6" Hann-Huei Chiou <koala@ascenvision.com>
* Fix u32 warningsJan Engelhardt2007-09-191-13/+13
| | | | | | | | | | | warning: format '%ld' expects type 'long int', but argument 3 has type 'int'. With %u alone, you would get "but arg-start is long" warnings on x64. With %lu, you would get "but arg-start is int" on x86. Fix it up by explicitly deciding for one (%u and cast to unsigned int) and using that. Jan Engelhardt <jengelh@computergmbh.de>
* Adds u32 to iptables.Jan Engelhardt2007-09-101-0/+307
Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
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