]> bbs.cooldavid.org Git - net-next-2.6.git/blobdiff - net/ipv4/raw.c
[NETNS][RAW]: Make ipv[46] raw sockets lookup namespaces aware.
[net-next-2.6.git] / net / ipv4 / raw.c
index 747911a8241c95849144e9df109b6e53bfd6428f..a490a9d54712a53e544205c805362a3b429a3b2c 100644 (file)
@@ -116,16 +116,15 @@ static void raw_v4_unhash(struct sock *sk)
        raw_unhash_sk(sk, &raw_v4_hashinfo);
 }
 
-static struct sock *__raw_v4_lookup(struct sock *sk, unsigned short num,
-                            __be32 raddr, __be32 laddr,
-                            int dif)
+static struct sock *__raw_v4_lookup(struct net *net, struct sock *sk,
+               unsigned short num, __be32 raddr, __be32 laddr, int dif)
 {
        struct hlist_node *node;
 
        sk_for_each_from(sk, node) {
                struct inet_sock *inet = inet_sk(sk);
 
-               if (inet->num == num                                    &&
+               if (sk->sk_net == net && inet->num == num               &&
                    !(inet->daddr && inet->daddr != raddr)              &&
                    !(inet->rcv_saddr && inet->rcv_saddr != laddr)      &&
                    !(sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif))
@@ -169,12 +168,15 @@ static int raw_v4_input(struct sk_buff *skb, struct iphdr *iph, int hash)
        struct sock *sk;
        struct hlist_head *head;
        int delivered = 0;
+       struct net *net;
 
        read_lock(&raw_v4_hashinfo.lock);
        head = &raw_v4_hashinfo.ht[hash];
        if (hlist_empty(head))
                goto out;
-       sk = __raw_v4_lookup(__sk_head(head), iph->protocol,
+
+       net = skb->dev->nd_net;
+       sk = __raw_v4_lookup(net, __sk_head(head), iph->protocol,
                             iph->saddr, iph->daddr,
                             skb->dev->ifindex);
 
@@ -187,7 +189,7 @@ static int raw_v4_input(struct sk_buff *skb, struct iphdr *iph, int hash)
                        if (clone)
                                raw_rcv(sk, clone);
                }
-               sk = __raw_v4_lookup(sk_next(sk), iph->protocol,
+               sk = __raw_v4_lookup(net, sk_next(sk), iph->protocol,
                                     iph->saddr, iph->daddr,
                                     skb->dev->ifindex);
        }
@@ -273,6 +275,7 @@ void raw_icmp_error(struct sk_buff *skb, int protocol, u32 info)
        int hash;
        struct sock *raw_sk;
        struct iphdr *iph;
+       struct net *net;
 
        hash = protocol & (RAW_HTABLE_SIZE - 1);
 
@@ -280,8 +283,10 @@ void raw_icmp_error(struct sk_buff *skb, int protocol, u32 info)
        raw_sk = sk_head(&raw_v4_hashinfo.ht[hash]);
        if (raw_sk != NULL) {
                iph = (struct iphdr *)skb->data;
-               while ((raw_sk = __raw_v4_lookup(raw_sk, protocol, iph->daddr,
-                                               iph->saddr,
+               net = skb->dev->nd_net;
+
+               while ((raw_sk = __raw_v4_lookup(net, raw_sk, protocol,
+                                               iph->daddr, iph->saddr,
                                                skb->dev->ifindex)) != NULL) {
                        raw_err(raw_sk, skb, info);
                        raw_sk = sk_next(raw_sk);