From: Serhey Popovych <serhe.popovych@xxxxxxxxx>
Inserting rule before one with SET target we get error with warning in
dmesg(1) output:
# iptables -A FORWARD -t mangle -j SET --map-set test src --map-prio
# iptables -I FORWARD 1 -t mangle -j ACCEPT
iptables: Invalid argument. Run `dmesg' for more information.
# dmesg |tail -n1
[268578.026643] mapping of prio or/and queue is allowed only from \
OUTPUT/FORWARD/POSTROUTING chains
Rather than checking for supported hook bits for SET target check for
unsupported one as done in all rest of matches and targets.
Signed-off-by: Serhey Popovych <serhe.popovych@xxxxxxxxx>
Signed-off-by: Jozsef Kadlecsik <kadlec@xxxxxxxxxxxxxxxxx>
---
net/netfilter/xt_set.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netfilter/xt_set.c b/net/netfilter/xt_set.c
index 6f4c521..07af7db 100644
--- a/net/netfilter/xt_set.c
+++ b/net/netfilter/xt_set.c
@@ -470,7 +470,7 @@ set_target_v3_checkentry(const struct xt_tgchk_param *par)
}
if (((info->flags & IPSET_FLAG_MAP_SKBPRIO) |
(info->flags & IPSET_FLAG_MAP_SKBQUEUE)) &&
- !(par->hook_mask & (1 << NF_INET_FORWARD |
+ (par->hook_mask & ~(1 << NF_INET_FORWARD |
1 << NF_INET_LOCAL_OUT |
1 << NF_INET_POST_ROUTING))) {
pr_info_ratelimited("mapping of prio or/and queue is allowed only from OUTPUT/FORWARD/POSTROUTING chains\n");
--
2.1.4
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