diff options
| -rw-r--r-- | include/linux/netfilter.h | 5 | ||||
| -rw-r--r-- | net/netfilter/nf_conntrack_netlink.c | 22 | ||||
| -rw-r--r-- | net/netfilter/nf_queue.c | 2 |
3 files changed, 15 insertions, 14 deletions
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index 7007945..89341c3 100644 --- a/include/linux/netfilter.h +++ b/include/linux/netfilter.h @@ -212,8 +212,9 @@ NF_HOOK_COND(uint8_t pf, unsigned int hook, struct sk_buff *skb, struct net_device *in, struct net_device *out, int (*okfn)(struct sk_buff *), bool cond) { - int ret = 1; - if (cond || + int ret; + + if (!cond || (ret = nf_hook_thresh(pf, hook, skb, in, out, okfn, INT_MIN) == 1)) ret = okfn(skb); return ret; diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 8b05f36..2b2af63 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -1077,9 +1077,8 @@ ctnetlink_change_helper(struct nf_conn *ct, const struct nlattr * const cda[]) /* need to zero data of old helper */ memset(&help->help, 0, sizeof(help->help)); } else { - help = nf_ct_helper_ext_add(ct, GFP_ATOMIC); - if (help == NULL) - return -ENOMEM; + /* we cannot set a helper for an existing conntrack */ + return -EOPNOTSUPP; } rcu_assign_pointer(help->helper, helper); @@ -1263,7 +1262,6 @@ ctnetlink_create_conntrack(struct net *net, u16 zone, ct->timeout.expires = ntohl(nla_get_be32(cda[CTA_TIMEOUT])); ct->timeout.expires = jiffies + ct->timeout.expires * HZ; - ct->status |= IPS_CONFIRMED; rcu_read_lock(); if (cda[CTA_HELP]) { @@ -1314,14 +1312,19 @@ ctnetlink_create_conntrack(struct net *net, u16 zone, goto err2; } - if (cda[CTA_STATUS]) { - err = ctnetlink_change_status(ct, cda); + if (cda[CTA_NAT_SRC] || cda[CTA_NAT_DST]) { + err = ctnetlink_change_nat(ct, cda); if (err < 0) goto err2; } - if (cda[CTA_NAT_SRC] || cda[CTA_NAT_DST]) { - err = ctnetlink_change_nat(ct, cda); + nf_ct_acct_ext_add(ct, GFP_ATOMIC); + nf_ct_ecache_ext_add(ct, 0, 0, GFP_ATOMIC); + /* we must add conntrack extensions before confirmation. */ + ct->status |= IPS_CONFIRMED; + + if (cda[CTA_STATUS]) { + err = ctnetlink_change_status(ct, cda); if (err < 0) goto err2; } @@ -1340,9 +1343,6 @@ ctnetlink_create_conntrack(struct net *net, u16 zone, goto err2; } - nf_ct_acct_ext_add(ct, GFP_ATOMIC); - nf_ct_ecache_ext_add(ct, 0, 0, GFP_ATOMIC); - #if defined(CONFIG_NF_CONNTRACK_MARK) if (cda[CTA_MARK]) ct->mark = ntohl(nla_get_be32(cda[CTA_MARK])); diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c index 3a6fd77..ba095fd 100644 --- a/net/netfilter/nf_queue.c +++ b/net/netfilter/nf_queue.c @@ -265,7 +265,6 @@ void nf_reinject(struct nf_queue_entry *entry, unsigned int verdict) local_bh_disable(); entry->okfn(skb); local_bh_enable(); - case NF_STOLEN: break; case NF_QUEUE: if (!__nf_queue(skb, elem, entry->pf, entry->hook, @@ -273,6 +272,7 @@ void nf_reinject(struct nf_queue_entry *entry, unsigned int verdict) verdict >> NF_VERDICT_BITS)) goto next_hook; break; + case NF_STOLEN: default: kfree_skb(skb); } |