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From 50ef784944c60cd291970c47e4b831ff7ef9c923 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Mon, 28 Feb 2022 20:02:17 +0100
Subject: [PATCH] Fix IPv6 sets nftables translation
The parser assumes the set is an IPv4 ipset because IPSET_OPT_FAMILY is
not set.
# ipset-translate restore < ./ipset-mwan3_set_connected_ipv6.dump
add table inet global
add set inet global mwan3_connected_v6 { type ipv6_addr; flags interval; }
flush set inet global mwan3_connected_v6
ipset v7.15: Error in line 4: Syntax error: '64' is out of range 0-32
Remove ipset_xlate_type_get(), call ipset_xlate_set_get() instead to
obtain the set type and family.
Reported-by: Florian Eckert <fe@dev.tdt.de>
Fixes: 325af556cd3a ("add ipset to nftables translation infrastructure")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
lib/ipset.c | 24 ++++++++++--------------
tests/xlate/xlate.t | 2 ++
tests/xlate/xlate.t.nft | 2 ++
3 files changed, 14 insertions(+), 14 deletions(-)
--- a/lib/ipset.c
+++ b/lib/ipset.c
@@ -949,18 +949,6 @@ ipset_xlate_set_get(struct ipset *ipset,
return NULL;
}
-static const struct ipset_type *ipset_xlate_type_get(struct ipset *ipset,
- const char *name)
-{
- const struct ipset_xlate_set *set;
-
- set = ipset_xlate_set_get(ipset, name);
- if (!set)
- return NULL;
-
- return set->type;
-}
-
static int
ipset_parser(struct ipset *ipset, int oargc, char *oargv[])
{
@@ -1282,8 +1270,16 @@ ipset_parser(struct ipset *ipset, int oa
if (!ipset->xlate) {
type = ipset_type_get(session, cmd);
} else {
- type = ipset_xlate_type_get(ipset, arg0);
- ipset_session_data_set(session, IPSET_OPT_TYPE, type);
+ const struct ipset_xlate_set *xlate_set;
+
+ xlate_set = ipset_xlate_set_get(ipset, arg0);
+ if (xlate_set) {
+ ipset_session_data_set(session, IPSET_OPT_TYPE,
+ xlate_set->type);
+ ipset_session_data_set(session, IPSET_OPT_FAMILY,
+ &xlate_set->family);
+ type = xlate_set->type;
+ }
}
if (type == NULL)
return ipset->standard_error(ipset, p);
--- a/tests/xlate/xlate.t
+++ b/tests/xlate/xlate.t
@@ -53,3 +53,5 @@ create bp1 bitmap:port range 1-1024
add bp1 22
create bim1 bitmap:ip,mac range 1.1.1.0/24
add bim1 1.1.1.1,aa:bb:cc:dd:ee:ff
+create hn6 hash:net family inet6
+add hn6 fe80::/64
--- a/tests/xlate/xlate.t.nft
+++ b/tests/xlate/xlate.t.nft
@@ -54,3 +54,5 @@ add set inet global bp1 { type inet_serv
add element inet global bp1 { 22 }
add set inet global bim1 { type ipv4_addr . ether_addr; }
add element inet global bim1 { 1.1.1.1 . aa:bb:cc:dd:ee:ff }
+add set inet global hn6 { type ipv6_addr; flags interval; }
+add element inet global hn6 { fe80::/64 }
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