aboutsummaryrefslogtreecommitdiff
path: root/net/netfilter
diff options
context:
space:
mode:
Diffstat (limited to 'net/netfilter')
-rw-r--r--net/netfilter/nf_tables_api.c5
-rw-r--r--net/netfilter/nfnetlink_cthelper.c7
-rw-r--r--net/netfilter/nft_compat.c6
3 files changed, 15 insertions, 3 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index c68e5e0628df..99de2409f731 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -855,7 +855,10 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb,
if (nla[NFTA_CHAIN_POLICY]) {
if ((chain != NULL &&
- !(chain->flags & NFT_BASE_CHAIN)) ||
+ !(chain->flags & NFT_BASE_CHAIN)))
+ return -EOPNOTSUPP;
+
+ if (chain == NULL &&
nla[NFTA_CHAIN_HOOK] == NULL)
return -EOPNOTSUPP;
diff --git a/net/netfilter/nfnetlink_cthelper.c b/net/netfilter/nfnetlink_cthelper.c
index 9e287cb56a04..54330fb5efaf 100644
--- a/net/netfilter/nfnetlink_cthelper.c
+++ b/net/netfilter/nfnetlink_cthelper.c
@@ -77,6 +77,9 @@ nfnl_cthelper_parse_tuple(struct nf_conntrack_tuple *tuple,
if (!tb[NFCTH_TUPLE_L3PROTONUM] || !tb[NFCTH_TUPLE_L4PROTONUM])
return -EINVAL;
+ /* Not all fields are initialized so first zero the tuple */
+ memset(tuple, 0, sizeof(struct nf_conntrack_tuple));
+
tuple->src.l3num = ntohs(nla_get_be16(tb[NFCTH_TUPLE_L3PROTONUM]));
tuple->dst.protonum = nla_get_u8(tb[NFCTH_TUPLE_L4PROTONUM]);
@@ -86,7 +89,7 @@ nfnl_cthelper_parse_tuple(struct nf_conntrack_tuple *tuple,
static int
nfnl_cthelper_from_nlattr(struct nlattr *attr, struct nf_conn *ct)
{
- const struct nf_conn_help *help = nfct_help(ct);
+ struct nf_conn_help *help = nfct_help(ct);
if (attr == NULL)
return -EINVAL;
@@ -94,7 +97,7 @@ nfnl_cthelper_from_nlattr(struct nlattr *attr, struct nf_conn *ct)
if (help->helper->data_len == 0)
return -EINVAL;
- memcpy(&help->data, nla_data(attr), help->helper->data_len);
+ memcpy(help->data, nla_data(attr), help->helper->data_len);
return 0;
}
diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c
index 7350723aeb15..969589590814 100644
--- a/net/netfilter/nft_compat.c
+++ b/net/netfilter/nft_compat.c
@@ -82,6 +82,9 @@ 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;
@@ -313,6 +316,9 @@ 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;