e5440ec871
When porting mwan3 from iptables to nftables I tried the new translation tool for ipset ipset-translate. I noticed that no IPv6 ipset can be created with the tool. I have reported the problem to the upstream project and the following patch fixes the problem. Until this upsream is included in a new release, this patch should be used in Openwrt. https://lore.kernel.org/netfilter-devel/20220228190217.2256371-1-pablo@netfilter.org/T/#m09cc3cb738f2e42024c7aecf5b7240d9f6bbc19c Signed-off-by: Florian Eckert <fe@dev.tdt.de>
83 lines
2.7 KiB
Diff
83 lines
2.7 KiB
Diff
From 50ef784944c60cd291970c47e4b831ff7ef9c923 Mon Sep 17 00:00:00 2001
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From: Pablo Neira Ayuso <pablo@netfilter.org>
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Date: Mon, 28 Feb 2022 20:02:17 +0100
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Subject: [PATCH] Fix IPv6 sets nftables translation
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The parser assumes the set is an IPv4 ipset because IPSET_OPT_FAMILY is
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not set.
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# ipset-translate restore < ./ipset-mwan3_set_connected_ipv6.dump
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add table inet global
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add set inet global mwan3_connected_v6 { type ipv6_addr; flags interval; }
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flush set inet global mwan3_connected_v6
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ipset v7.15: Error in line 4: Syntax error: '64' is out of range 0-32
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Remove ipset_xlate_type_get(), call ipset_xlate_set_get() instead to
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obtain the set type and family.
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Reported-by: Florian Eckert <fe@dev.tdt.de>
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Fixes: 325af556cd3a ("add ipset to nftables translation infrastructure")
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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---
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lib/ipset.c | 24 ++++++++++--------------
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tests/xlate/xlate.t | 2 ++
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tests/xlate/xlate.t.nft | 2 ++
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3 files changed, 14 insertions(+), 14 deletions(-)
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--- a/lib/ipset.c
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+++ b/lib/ipset.c
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@@ -949,18 +949,6 @@ ipset_xlate_set_get(struct ipset *ipset,
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return NULL;
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}
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-static const struct ipset_type *ipset_xlate_type_get(struct ipset *ipset,
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- const char *name)
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-{
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- const struct ipset_xlate_set *set;
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-
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- set = ipset_xlate_set_get(ipset, name);
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- if (!set)
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- return NULL;
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-
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- return set->type;
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-}
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-
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static int
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ipset_parser(struct ipset *ipset, int oargc, char *oargv[])
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{
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@@ -1282,8 +1270,16 @@ ipset_parser(struct ipset *ipset, int oa
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if (!ipset->xlate) {
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type = ipset_type_get(session, cmd);
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} else {
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- type = ipset_xlate_type_get(ipset, arg0);
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- ipset_session_data_set(session, IPSET_OPT_TYPE, type);
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+ const struct ipset_xlate_set *xlate_set;
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+
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+ xlate_set = ipset_xlate_set_get(ipset, arg0);
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+ if (xlate_set) {
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+ ipset_session_data_set(session, IPSET_OPT_TYPE,
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+ xlate_set->type);
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+ ipset_session_data_set(session, IPSET_OPT_FAMILY,
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+ &xlate_set->family);
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+ type = xlate_set->type;
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+ }
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}
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if (type == NULL)
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return ipset->standard_error(ipset, p);
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--- a/tests/xlate/xlate.t
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+++ b/tests/xlate/xlate.t
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@@ -53,3 +53,5 @@ create bp1 bitmap:port range 1-1024
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add bp1 22
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create bim1 bitmap:ip,mac range 1.1.1.0/24
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add bim1 1.1.1.1,aa:bb:cc:dd:ee:ff
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+create hn6 hash:net family inet6
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+add hn6 fe80::/64
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--- a/tests/xlate/xlate.t.nft
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+++ b/tests/xlate/xlate.t.nft
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@@ -54,3 +54,5 @@ add set inet global bp1 { type inet_serv
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add element inet global bp1 { 22 }
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add set inet global bim1 { type ipv4_addr . ether_addr; }
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add element inet global bim1 { 1.1.1.1 . aa:bb:cc:dd:ee:ff }
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+add set inet global hn6 { type ipv6_addr; flags interval; }
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+add element inet global hn6 { fe80::/64 }
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