diff options
| author | Laura Garcia Liebana <nevola@gmail.com> | 2016-06-09 21:54:22 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2016-06-14 18:46:21 +0200 |
| commit | bef86d86b3f5df4591d2d6e93e6eeb0b96daa580 (patch) | |
| tree | 0a0af13500e014d7e1afb8058cfeade3a31ed032 | |
| parent | bd5bbc7a0fbd8e99348d108d78281b0528bad80a (diff) | |
extensions: libxt_cgroup: Add translation to nft
Add translation for cgroup to nft. Path parameter not supported in nft
yet.
Examples:
$ sudo iptables-translate -t filter -A INPUT -m cgroup --cgroup 0 -j ACCEPT
nft add rule ip filter INPUT meta cgroup 0 counter accept
$ sudo iptables-translate -t filter -A INPUT -m cgroup ! --cgroup 0 -j ACCEPT
nft add rule ip filter INPUT meta cgroup != 0 counter accept
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| -rw-r--r-- | extensions/libxt_cgroup.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/extensions/libxt_cgroup.c b/extensions/libxt_cgroup.c index 3be42ad5..11918151 100644 --- a/extensions/libxt_cgroup.c +++ b/extensions/libxt_cgroup.c @@ -121,6 +121,32 @@ static void cgroup_save_v1(const void *ip, const struct xt_entry_match *match) info->classid); } +static int cgroup_xlate_v0(const void *ip, const struct xt_entry_match *match, + struct xt_xlate *xl, int numeric) +{ + const struct xt_cgroup_info_v0 *info = (void *)match->data; + + xt_xlate_add(xl, "meta cgroup %s%u ", info->invert ? "!= " : "", + info->id); + return 1; +} + +static int cgroup_xlate_v1(const void *ip, const struct xt_entry_match *match, + struct xt_xlate *xl, int numeric) +{ + const struct xt_cgroup_info_v1 *info = (void *)match->data; + + if (info->has_path) + return 0; + + if (info->has_classid) + xt_xlate_add(xl, "meta cgroup %s%u ", + info->invert_classid ? "!= " : "", + info->classid); + + return 1; +} + static struct xtables_match cgroup_match[] = { { .family = NFPROTO_UNSPEC, @@ -134,6 +160,7 @@ static struct xtables_match cgroup_match[] = { .save = cgroup_save_v0, .x6_parse = cgroup_parse_v0, .x6_options = cgroup_opts_v0, + .xlate = cgroup_xlate_v0, }, { .family = NFPROTO_UNSPEC, @@ -147,6 +174,7 @@ static struct xtables_match cgroup_match[] = { .save = cgroup_save_v1, .x6_parse = cgroup_parse_v1, .x6_options = cgroup_opts_v1, + .xlate = cgroup_xlate_v1, }, }; |