diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2020-07-22 13:04:34 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2020-07-24 13:21:41 +0200 |
| commit | 26ec09bf6b9b674a7e3a65fc9c12599bd81dfe0f (patch) | |
| tree | e5cc9b98e88c73c860af7fca4122561e479623c8 /extensions/libxt_conntrack.c | |
| parent | 5105e844c2ff6a3e320bf8cdadc5094d4eaef2b7 (diff) | |
extensions: libxt_conntrack: provide translation for DNAT and SNAT --ctstate
iptables-translate -t filter -A INPUT -m conntrack --ctstate DNAT -j ACCEPT
nft add rule ip filter INPUT ct status dnat counter accept
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'extensions/libxt_conntrack.c')
| -rw-r--r-- | extensions/libxt_conntrack.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/extensions/libxt_conntrack.c b/extensions/libxt_conntrack.c index 6f350393..7734509c 100644 --- a/extensions/libxt_conntrack.c +++ b/extensions/libxt_conntrack.c @@ -1249,11 +1249,19 @@ static int _conntrack3_mt_xlate(struct xt_xlate *xl, } if (sinfo->match_flags & XT_CONNTRACK_STATE) { - xt_xlate_add(xl, "%sct state %s", space, - sinfo->invert_flags & XT_CONNTRACK_STATE ? - "!= " : ""); - state_xlate_print(xl, sinfo->state_mask); - space = " "; + if ((sinfo->state_mask & XT_CONNTRACK_STATE_SNAT) || + (sinfo->state_mask & XT_CONNTRACK_STATE_DNAT)) { + xt_xlate_add(xl, "%sct status %s%s", space, + sinfo->invert_flags & XT_CONNTRACK_STATUS ? "!=" : "", + sinfo->state_mask & XT_CONNTRACK_STATE_SNAT ? "snat" : "dnat"); + space = " "; + } else { + xt_xlate_add(xl, "%sct state %s", space, + sinfo->invert_flags & XT_CONNTRACK_STATE ? + "!= " : ""); + state_xlate_print(xl, sinfo->state_mask); + space = " "; + } } if (sinfo->match_flags & XT_CONNTRACK_STATUS) { |