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* extensions: libip6t_dst: Fix output for empty optionsPhil Sutter2022-10-021-3/+3
| | | | | | | | If no --dst-opts were given, print_options() would print just a whitespace. Fixes: 73866357e4a7a ("iptables: do not print trailing whitespaces") Signed-off-by: Phil Sutter <phil@nwl.cc>
* libxtables: Introduce xtables_strdup() and use it everywherePhil Sutter2021-06-071-5/+3
| | | | | | This wraps strdup(), checking for errors. Signed-off-by: Phil Sutter <phil@nwl.cc>
* extensions: libip6t_dst: make inversion workFlorian Westphal2015-02-191-0/+2
| | | | | | The inversion flag wasn't set in the match struct. Signed-off-by: Florian Westphal <fw@strlen.de>
* libip6t_dst: restore setting IP6T_OPTS_LEN flagJan Engelhardt2011-08-211-0/+3
| | | | | | Bug origin is in commit v1.4.11~26^2~18. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* libip6t_dst: use guided option parserJan Engelhardt2011-04-061-41/+20
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* libip6t_dst: remove unimplemented --dst-not-strictJan Engelhardt2011-02-191-18/+0
| | | | | | This was never ever implemented in the kernel, so just remove it. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* extensions: remove redundant init functionsJan Engelhardt2011-02-191-11/+0
| | | | | | The main program already zeroes the per-extension data block. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* iptables: do not print trailing whitespacesJan Engelhardt2011-01-311-9/+10
| | | | | | | | | | | | | | | | | 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>
* extensions: remove no longer necessary default: casesJan Engelhardt2011-01-081-2/+0
| | | | | | | Match and target parse functions now only get option characters they have defined themselves. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* src: use C99/POSIX typesJan Engelhardt2011-01-081-5/+5
| | | | | | "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 Engelhardt2010-07-231-4/+5
| | | | | | Try to inhibit copypasting old stuff. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* 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>
* libxtables: prefix exit_error to xtables_errorJan Engelhardt2009-02-211-12/+12
| | | | 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>
* src: remove redundant castsJan Engelhardt2009-01-271-4/+3
| | | | | | All of them are implicitly convertable without any wanted side effects. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* iptables-save: output ! in position according to manpageJan Engelhardt2008-12-091-1/+1
| | | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
* src: remove inclusion of iptables.hJan Engelhardt2008-11-201-1/+1
| | | | | | | | | iptables.h and ip6tables.h only include declarations internal to iptables (specifically iptables.c and ip6tables.c), as most of the public API has been moved to xtables.h a few months ago. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
* src: use NFPROTO_ constantsJan Engelhardt2008-11-181-1/+1
| | | | | | | | Resync netfilter.h from the latest kernel and make use of the new NFPROTO_ constants that have been introduced. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
* src: Update commentsJan Engelhardt2008-09-011-7/+1
| | | | | | | | 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>
* Synchronize invert flag order with manpagesJan Engelhardt2008-08-131-1/+1
| | | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
* Remove old functions, constantsJan Engelhardt2008-04-151-7/+8
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* Drop -W from CFLAGS and some tiny code cleanupsJan Engelhardt2008-04-061-1/+1
| | | | | - change "unsigned" to explicit "unsigned int" - remove some casts
* fix gcc warningsMax Kellermann2008-01-291-2/+2
| | | | Max Kellermann <max@duempel.org>
* Remove redundant dst/hbh linesJan Engelhardt2007-10-041-28/+20
| | | | | | | Remove hbh stuff from libip6t_dst, remove dst stuff from libip6t_hbh. Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
* Unique names 5/6Jan Engelhardt2007-10-041-22/+16
| | | | | | | | | | | Give symbols of libxt matches unique names (3/3). 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 Engelhardt2007-10-041-7/+0
| | | | | | | Deletes empty ->final_check() functions, and makes ip[6]tables checks for NULL on these. Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
* Fix sparse warnings: non-ANSI function declarations, 0 used as pointerPatrick McHardy2007-09-081-4/+4
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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>
* Fixes warning on compilation of ip6tables matches/targetsYasuyuki KOZAKAI2007-07-241-3/+3
| | | | | | This changes the type of arguments as follows - ip6t_ip6 * -> void * - ip6t_entry * -> void *
* Replaces ip6t_entry_* with xt_entry_* in matches/targetsYasuyuki KOZAKAI2007-07-241-4/+4
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* 1- Fix preprocessor directive usage,Harald Welte2003-09-041-55/+54
| | | | | | | | 2- Redefine UNAME and LNAME macros such that their value is determined at compile-time, not at run-time, 3- Modify all printf() calls that use LNAME and UNAME to take advantage of the compile-time macro definitions, 4- More indentation fixes. (Stephane Ouellette)
* various cosmetic / c99 cleanups (Stephane Ouellette)Stephane Ouellette2003-08-231-33/+39
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* fix all compile warnings within iptables extensions (fabrice)Fabrice MARIE2002-06-141-23/+2
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* globally replace NETFILTER_VERSION with IPTABLES_VERSION to have consistent ↵Harald Welte2002-05-291-2/+2
| | | | naming
* new HBH and DSTopts match for IPv6 by kiszaAndrás Kis-Szabó2002-04-291-0/+285
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