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From 1695f552d3947299e54978bcd5bc1cdc3a5c14f7 Mon Sep 17 00:00:00 2001
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From: Pablo Neira Ayuso <pablo@netfilter.org>
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Date: Wed, 15 Apr 2020 18:16:41 +0200
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Subject: [PATCH] extensions: libxt_CT: add translation for NOTRACK
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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(cherry picked from commit f3d4a3ddbcfca15a00dd9758f481420038f6de10)
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Signed-off-by: Phil Sutter <psutter@redhat.com>
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---
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extensions/libxt_CT.c | 16 ++++++++++++++++
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extensions/libxt_NOTRACK.txlate | 2 ++
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2 files changed, 18 insertions(+)
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create mode 100644 extensions/libxt_NOTRACK.txlate
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diff --git a/extensions/libxt_CT.c b/extensions/libxt_CT.c
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index 371b21766c56c..fbbbe2660e9fc 100644
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--- a/extensions/libxt_CT.c
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+++ b/extensions/libxt_CT.c
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@@ -348,6 +348,20 @@ static void notrack_ct2_tg_init(struct xt_entry_target *target)
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info->flags = XT_CT_NOTRACK | XT_CT_NOTRACK_ALIAS;
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}
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+static int xlate_ct1_tg(struct xt_xlate *xl,
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+ const struct xt_xlate_tg_params *params)
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+{
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+ struct xt_ct_target_info_v1 *info =
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+ (struct xt_ct_target_info_v1 *)params->target->data;
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+
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+ if (info->flags & XT_CT_NOTRACK)
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+ xt_xlate_add(xl, "notrack");
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+ else
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+ return 0;
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+
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+ return 1;
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+}
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+
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static struct xtables_target ct_target_reg[] = {
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{
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.family = NFPROTO_UNSPEC,
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@@ -387,6 +401,7 @@ static struct xtables_target ct_target_reg[] = {
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.alias = ct_print_name_alias,
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.x6_parse = ct_parse_v1,
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.x6_options = ct_opts_v1,
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+ .xlate = xlate_ct1_tg,
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},
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{
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.family = NFPROTO_UNSPEC,
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@@ -418,6 +433,7 @@ static struct xtables_target ct_target_reg[] = {
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.size = XT_ALIGN(sizeof(struct xt_ct_target_info_v1)),
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.userspacesize = offsetof(struct xt_ct_target_info_v1, ct),
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.init = notrack_ct2_tg_init,
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+ .xlate = xlate_ct1_tg,
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},
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{
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.family = NFPROTO_UNSPEC,
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diff --git a/extensions/libxt_NOTRACK.txlate b/extensions/libxt_NOTRACK.txlate
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new file mode 100644
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index 0000000000000..9d35619d3dbdd
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--- /dev/null
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+++ b/extensions/libxt_NOTRACK.txlate
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@@ -0,0 +1,2 @@
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+iptables-translate -A PREROUTING -t raw -j NOTRACK
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+nft add rule ip raw PREROUTING counter notrack
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--
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2.28.0
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