[NETNS][RAW]: Make /proc/net/raw(6) show per-namespace socket list.

Pull the struct net pointer up to the showing functions
to filter the sockets depending on their namespaces.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/raw.h b/include/net/raw.h
index 4d1aba0..cca81d8 100644 (file)
--- a/include/net/raw.h
+++ b/include/net/raw.h
@@ -39,6 +39,7 @@ extern int  raw_proc_init(void);
 extern void raw_proc_exit(void);
 
 struct raw_iter_state {
+       struct seq_net_private p;
        int bucket;
        unsigned short family;
        struct raw_hashinfo *h;
@@ -48,7 +49,7 @@ struct raw_iter_state {
 void *raw_seq_start(struct seq_file *seq, loff_t *pos);
 void *raw_seq_next(struct seq_file *seq, void *v, loff_t *pos);
 void raw_seq_stop(struct seq_file *seq, void *v);
-int raw_seq_open(struct file *file, struct raw_hashinfo *h,
+int raw_seq_open(struct inode *ino, struct file *file, struct raw_hashinfo *h,
                unsigned short family);
 
 #endif

diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index a490a9d..4e95372 100644 (file)
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -860,7 +860,8 @@ static struct sock *raw_get_first(struct seq_file *seq)
                struct hlist_node *node;
 
                sk_for_each(sk, node, &state->h->ht[state->bucket])
-                       if (sk->sk_family == state->family)
+                       if (sk->sk_net == state->p.net &&
+                                       sk->sk_family == state->family)
                                goto found;
        }
        sk = NULL;
@@ -876,7 +877,8 @@ static struct sock *raw_get_next(struct seq_file *seq, struct sock *sk)
                sk = sk_next(sk);
 try_again:
                ;
-       } while (sk && sk->sk_family != state->family);
+       } while (sk && sk->sk_net != state->p.net &&
+                       sk->sk_family != state->family);
 
        if (!sk && ++state->bucket < RAW_HTABLE_SIZE) {
                sk = sk_head(&state->h->ht[state->bucket]);
@@ -970,16 +972,18 @@ static const struct seq_operations raw_seq_ops = {
        .show  = raw_seq_show,
 };
 
-int raw_seq_open(struct file *file, struct raw_hashinfo *h,
+int raw_seq_open(struct inode *ino, struct file *file, struct raw_hashinfo *h,
                unsigned short family)
 {
+       int err;
        struct raw_iter_state *i;
 
-       i = __seq_open_private(file, &raw_seq_ops,
+       err = seq_open_net(ino, file, &raw_seq_ops,
                        sizeof(struct raw_iter_state));
-       if (i == NULL)
-               return -ENOMEM;
+       if (err < 0)
+               return err;
 
+       i = raw_seq_private((struct seq_file *)file->private_data);
        i->h = h;
        i->family = family;
        return 0;
@@ -988,7 +992,7 @@ EXPORT_SYMBOL_GPL(raw_seq_open);
 
 static int raw_v4_seq_open(struct inode *inode, struct file *file)
 {
-       return raw_seq_open(file, &raw_v4_hashinfo, PF_INET);
+       return raw_seq_open(inode, file, &raw_v4_hashinfo, PF_INET);
 }
 
 static const struct file_operations raw_seq_fops = {
@@ -996,7 +1000,7 @@ static const struct file_operations raw_seq_fops = {
        .open    = raw_v4_seq_open,
        .read    = seq_read,
        .llseek  = seq_lseek,
-       .release = seq_release_private,
+       .release = seq_release_net,
 };
 
 int __init raw_proc_init(void)

diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 6f20086..026fa91 100644 (file)
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1259,7 +1259,7 @@ static const struct seq_operations raw6_seq_ops = {
 
 static int raw6_seq_open(struct inode *inode, struct file *file)
 {
-       return raw_seq_open(file, &raw_v6_hashinfo, PF_INET6);
+       return raw_seq_open(inode, file, &raw_v6_hashinfo, PF_INET6);
 }
 
 static const struct file_operations raw6_seq_fops = {
@@ -1267,7 +1267,7 @@ static const struct file_operations raw6_seq_fops = {
        .open =         raw6_seq_open,
        .read =         seq_read,
        .llseek =       seq_lseek,
-       .release =      seq_release_private,
+       .release =      seq_release_net,
 };
 
 int __init raw6_proc_init(void)