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| author | Jo-Philipp Wich <jow@openwrt.org> | 2014-08-01 22:49:47 +0000 |
|---|---|---|
| committer | Jo-Philipp Wich <jow@openwrt.org> | 2014-08-01 22:49:47 +0000 |
| commit | baa7c211f5545c4ccc1029991dfca34584cfa221 (patch) | |
| tree | 9234641fbb37b4c0d011092e3e99d1a5ef6c1ae0 /package/network | |
| parent | 930e3e7ca30c899d73390fcc8ade503bc249de37 (diff) | |
| download | mtk-20170518-baa7c211f5545c4ccc1029991dfca34584cfa221.zip mtk-20170518-baa7c211f5545c4ccc1029991dfca34584cfa221.tar.gz mtk-20170518-baa7c211f5545c4ccc1029991dfca34584cfa221.tar.bz2 | |
netfilter: introduce xt_id match
This commit implements a new netfilter match "xt_id" which can be used to
attach unsigned 32bit IDs to iptables rules.
Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
SVN-Revision: 41945
Diffstat (limited to 'package/network')
| -rw-r--r-- | package/network/utils/iptables/patches/500-add-xt_id-match.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/package/network/utils/iptables/patches/500-add-xt_id-match.patch b/package/network/utils/iptables/patches/500-add-xt_id-match.patch new file mode 100644 index 0000000..94762f0 --- /dev/null +++ b/package/network/utils/iptables/patches/500-add-xt_id-match.patch @@ -0,0 +1,59 @@ +--- /dev/null ++++ b/extensions/libxt_id.c +@@ -0,0 +1,45 @@ ++/* Shared library add-on to iptables to add id match support. */ ++ ++#include <stdio.h> ++#include <xtables.h> ++#include <linux/netfilter/xt_id.h> ++ ++enum { ++ O_ID = 0, ++}; ++ ++static const struct xt_option_entry id_opts[] = { ++ { ++ .name = "id", ++ .id = O_ID, ++ .type = XTTYPE_UINT32, ++ .flags = XTOPT_MAND | XTOPT_PUT, ++ XTOPT_POINTER(struct xt_id_info, id) ++ }, ++ XTOPT_TABLEEND, ++}; ++ ++/* Saves the union ipt_matchinfo in parsable form to stdout. */ ++static void ++id_save(const void *ip, const struct xt_entry_match *match) ++{ ++ struct xt_id_info *idinfo = (void *)match->data; ++ ++ printf(" --id %lu", idinfo->id); ++} ++ ++static struct xtables_match id_match = { ++ .family = NFPROTO_UNSPEC, ++ .name = "id", ++ .version = XTABLES_VERSION, ++ .size = XT_ALIGN(sizeof(struct xt_id_info)), ++ .userspacesize = XT_ALIGN(sizeof(struct xt_id_info)), ++ .save = id_save, ++ .x6_parse = xtables_option_parse, ++ .x6_options = id_opts, ++}; ++ ++void _init(void) ++{ ++ xtables_register_match(&id_match); ++} +--- /dev/null ++++ b/include/linux/netfilter/xt_id.h +@@ -0,0 +1,8 @@ ++#ifndef _XT_ID_H ++#define _XT_ID_H ++ ++struct xt_id_info { ++ __u32 id; ++}; ++ ++#endif /* XT_ID_H */ |