From 26ec09bf6b9b674a7e3a65fc9c12599bd81dfe0f Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Wed, 22 Jul 2020 13:04:34 +0200 Subject: 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 --- extensions/libxt_conntrack.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) (limited to 'extensions/libxt_conntrack.c') 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) { -- cgit v1.2.3