diff options
Diffstat (limited to 'net/unix/diag.c')
| -rw-r--r-- | net/unix/diag.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/net/unix/diag.c b/net/unix/diag.c index 83799ef19b49..0e0fda786afe 100644 --- a/net/unix/diag.c +++ b/net/unix/diag.c @@ -43,6 +43,26 @@ rtattr_failure: return -EMSGSIZE; } +static int sk_diag_dump_peer(struct sock *sk, struct sk_buff *nlskb) +{ + struct sock *peer; + int ino; + + peer = unix_peer_get(sk); + if (peer) { + unix_state_lock(peer); + ino = sock_i_ino(peer); + unix_state_unlock(peer); + sock_put(peer); + + RTA_PUT_U32(nlskb, UNIX_DIAG_PEER, ino); + } + + return 0; +rtattr_failure: + return -EMSGSIZE; +} + static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_req *req, u32 pid, u32 seq, u32 flags, int sk_ino) { @@ -69,6 +89,10 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_r sk_diag_dump_vfs(sk, skb)) goto nlmsg_failure; + if ((req->udiag_show & UDIAG_SHOW_PEER) && + sk_diag_dump_peer(sk, skb)) + goto nlmsg_failure; + nlh->nlmsg_len = skb_tail_pointer(skb) - b; return skb->len; |