diff options
Diffstat (limited to 'net/netfilter/nfnetlink_cthelper.c')
-rw-r--r-- | net/netfilter/nfnetlink_cthelper.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/net/netfilter/nfnetlink_cthelper.c b/net/netfilter/nfnetlink_cthelper.c index d683619..945950a 100644 --- a/net/netfilter/nfnetlink_cthelper.c +++ b/net/netfilter/nfnetlink_cthelper.c @@ -74,7 +74,7 @@ nfnl_cthelper_parse_tuple(struct nf_conntrack_tuple *tuple, if (!tb[NFCTH_TUPLE_L3PROTONUM] || !tb[NFCTH_TUPLE_L4PROTONUM]) return -EINVAL; - tuple->src.l3num = ntohs(nla_get_u16(tb[NFCTH_TUPLE_L3PROTONUM])); + tuple->src.l3num = ntohs(nla_get_be16(tb[NFCTH_TUPLE_L3PROTONUM])); tuple->dst.protonum = nla_get_u8(tb[NFCTH_TUPLE_L4PROTONUM]); return 0; @@ -85,6 +85,9 @@ nfnl_cthelper_from_nlattr(struct nlattr *attr, struct nf_conn *ct) { const struct nf_conn_help *help = nfct_help(ct); + if (attr == NULL) + return -EINVAL; + if (help->helper->data_len == 0) return -EINVAL; @@ -395,16 +398,16 @@ nla_put_failure: } static int -nfnl_cthelper_fill_info(struct sk_buff *skb, u32 pid, u32 seq, u32 type, +nfnl_cthelper_fill_info(struct sk_buff *skb, u32 portid, u32 seq, u32 type, int event, struct nf_conntrack_helper *helper) { struct nlmsghdr *nlh; struct nfgenmsg *nfmsg; - unsigned int flags = pid ? NLM_F_MULTI : 0; + unsigned int flags = portid ? NLM_F_MULTI : 0; int status; event |= NFNL_SUBSYS_CTHELPER << 8; - nlh = nlmsg_put(skb, pid, seq, event, sizeof(*nfmsg), flags); + nlh = nlmsg_put(skb, portid, seq, event, sizeof(*nfmsg), flags); if (nlh == NULL) goto nlmsg_failure; @@ -468,7 +471,7 @@ restart: cb->args[1] = 0; } if (nfnl_cthelper_fill_info(skb, - NETLINK_CB(cb->skb).pid, + NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NFNL_MSG_TYPE(cb->nlh->nlmsg_type), NFNL_MSG_CTHELPER_NEW, cur) < 0) { @@ -538,7 +541,7 @@ nfnl_cthelper_get(struct sock *nfnl, struct sk_buff *skb, break; } - ret = nfnl_cthelper_fill_info(skb2, NETLINK_CB(skb).pid, + ret = nfnl_cthelper_fill_info(skb2, NETLINK_CB(skb).portid, nlh->nlmsg_seq, NFNL_MSG_TYPE(nlh->nlmsg_type), NFNL_MSG_CTHELPER_NEW, cur); @@ -547,7 +550,7 @@ nfnl_cthelper_get(struct sock *nfnl, struct sk_buff *skb, break; } - ret = netlink_unicast(nfnl, skb2, NETLINK_CB(skb).pid, + ret = netlink_unicast(nfnl, skb2, NETLINK_CB(skb).portid, MSG_DONTWAIT); if (ret > 0) ret = 0; |