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netfilter: nft_compat: set IP6T_F_PROTO flag if protocol is set 

ip6tables extensions check for this flag to restrict match/target to a
given protocol. Without this flag set, SYNPROXY6 returns an error.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Pablo Neira Ayuso 2015-03-21 19:25:05 +01:00
parent 3d8c6dce53
commit 749177ccc7
1 changed files with 6 additions and 0 deletions
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6
net/netfilter/nft_compat.c
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@ -133,6 +133,9 @@ nft_target_set_tgchk_param(struct xt_tgchk_param *par,
entry->e4.ip.invflags = inv ? IPT_INV_PROTO : 0;
break;
case AF_INET6:
if (proto)
entry->e6.ipv6.flags |= IP6T_F_PROTO;
entry->e6.ipv6.proto = proto;
entry->e6.ipv6.invflags = inv ? IP6T_INV_PROTO : 0;
break;
@ -344,6 +347,9 @@ nft_match_set_mtchk_param(struct xt_mtchk_param *par, const struct nft_ctx *ctx,
entry->e4.ip.invflags = inv ? IPT_INV_PROTO : 0;
break;
case AF_INET6:
if (proto)
entry->e6.ipv6.flags |= IP6T_F_PROTO;
entry->e6.ipv6.proto = proto;
entry->e6.ipv6.invflags = inv ? IP6T_INV_PROTO : 0;
break;