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* src: introduce struct xt_xlate_{mt,tg}_paramsPablo Neira Ayuso2016-07-251-3/+3
| | | | | | | | This structure is an extensible containers of parameters, so we don't need to propagate interface updates in every extension file in case we need to add new parameters in the future. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* xtables-translate: fix multiple spaces issuePablo M. Bermudo Garay2016-07-091-5/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes a multiple spaces issue. The problem arises when a rule set loaded through iptables-compat-restore is listed in nft. Before this commit, two spaces were printed after every match translation: $ sudo iptables-save *filter :INPUT ACCEPT [0:0] -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT -A INPUT -p tcp -m multiport --dports 80:85 -m ttl --ttl-gt 5 -j ACCEPT COMMIT $ sudo iptables-compat-restore iptables-save $ sudo nft list ruleset table ip filter { chain INPUT { type filter hook input priority 0; policy accept; ct state related,established counter packets 0 bytes 0 accept ^^ ip protocol tcp tcp dport 80-85 ip ttl gt 5 counter packets 0 bytes 0 accept ^^ ^^ } } Signed-off-by: Pablo M. Bermudo Garay <pablombg@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* iptables-translate: pass ipt_entry and ip6t_entry to ->xlate()Pablo Neira Ayuso2016-03-091-2/+2
| | | | | | | The multiport match needs it, this basically leaves ->xlate() indirection with almost the same interface as ->print(). Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* extensions: libip6t_rt.c: Add translation to nftJanani Ravichandran2016-03-071-0/+35
| | | | | | | | | | | | | | | | | | | | Add translation for rt for options --rt-type, --rt-segsleft and --rt-len. Examples: $ sudo ip6tables-translate -A INPUT -m rt --rt-type 0 -j DROP nft add rule ip6 filter INPUT rt type 0 counter drop $ sudo ip6tables-translate -A INPUT -m rt ! --rt-len 22 -j DROP nft add rule ip6 filter INPUT rt hdrlength != 22 counter drop $ sudo ip6tables-translate -A INPUT -m rt --rt-segsleft 26 -j ACCEPT nft add rule ip6 filter INPUT rt seg-left 26 counter accept The xlate function returns 0 for other options. Signed-off-by: Janani Ravichandran <janani.rvchndrn@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* extensions: restore matching any SPI id by defaultJan Engelhardt2015-08-121-0/+8
| | | | | | | | | | | This is the same as commit v1.4.15-12-g8a988f6. If no id option is given, the extensions only match packets with a zero-valued identification field. This behavior deviates from what it used to do back in v1.4.10-273-g6944f2c^. Signed-off-by: Jan Engelhardt <jengelh@inai.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* libxtables: have xtopt_parse_mint interpret partially-spec'd rangesJan Engelhardt2011-05-251-8/+2
| | | | | | | | | | | | | When ":n" or "n:" is specified, it will now be interpreted as "0:n" and "n:<max>", respecitvely. nvals will always reflect the number of (expanded) components. This restores the functionality of options that take such partially-unspecified ranges. This makes it possible to nuke the per-matchdata init functions of some extensions and simply the extensions postparsing to the point where it only needs to check for nvals==1 or ==2. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* libip6t_rt: restore --rt-type storingJan Engelhardt2011-05-241-2/+2
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* libip6t_rt: rt-0-not-strict should take no argJan Engelhardt2011-05-131-1/+1
| | | | | | | This unfortunately got mixed up during the getopt -> guided parser move. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* libip6t_rt: use guided option parserJan Engelhardt2011-05-091-115/+44
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* extensions: const annotationsJan Engelhardt2011-05-091-2/+2
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* extensions: remove redundant init functionsJan Engelhardt2011-02-191-6/+0
| | | | | | The main program already zeroes the per-extension data block. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* doc: fix misspelling of "field"Jan Engelhardt2011-02-181-1/+1
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* iptables: do not print trailing whitespacesJan Engelhardt2011-01-311-22/+20
| | | | | | | | | | | | | | | | | 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 Engelhardt2011-01-081-3/+3
| | | | | | "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 Engelhardt2010-07-231-7/+8
| | | | | | Try to inhibit copypasting old stuff. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* iptables/extensions: make bundled options work againJan Engelhardt2009-11-031-4/+4
| | | | | | | | | | | | | 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 Engelhardt2009-11-031-4/+4
| | | | | | | | | 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 Engelhardt2009-02-211-16/+16
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* libxtables: prefix/order - move check_inverse to xtables.cJan Engelhardt2009-01-301-4/+4
| | | | | | | This also adds a warning that intrapositional negation support is deprecated. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* src: remove redundant castsJan Engelhardt2009-01-271-1/+1
| | | | | | 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 Engelhardt2008-12-091-3/+3
| | | | | 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 Engelhardt2008-08-131-3/+3
| | | | | 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>
* Unique names 5/6Jan Engelhardt2007-10-041-21/+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 McHardy2007-09-081-7/+7
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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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* make structure initializers use C99 standard (Harald Welte)Harald Welte2005-02-011-14/+12
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* fix all compile warnings within iptables extensions (fabrice)Fabrice MARIE2002-06-141-2/+2
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* globally replace NETFILTER_VERSION with IPTABLES_VERSION to have consistent ↵Harald Welte2002-05-291-2/+2
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* Route6 updates by Kisza:András Kis-Szabó2002-04-291-8/+98
| | | | | | | - Type0 address handling (up to 16 addresses) - 'soft' mode (--rt-0-not-strict): the address list in the packet is not exactly the same, but contains all the specified addresses in the same order
* New 'route6' match by kisza.András Kis-Szabó2002-04-241-0/+274
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