Commit ab81afd3 authored by Sunil Mushran's avatar Sunil Mushran Committed by Mark Fasheh

ocfs2: Binds listener to the configured ip address

This patch binds the o2net listener to the configured ip address
instead of INADDR_ANY for security. Fixes oss.oracle.com bugzilla#814.
Signed-off-by: default avatarSunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: default avatarMark Fasheh <mark.fasheh@oracle.com>
parent 3b8118cf
......@@ -1805,13 +1805,13 @@ static void o2net_listen_data_ready(struct sock *sk, int bytes)
ready(sk, bytes);
}
static int o2net_open_listening_sock(__be16 port)
static int o2net_open_listening_sock(__be32 addr, __be16 port)
{
struct socket *sock = NULL;
int ret;
struct sockaddr_in sin = {
.sin_family = PF_INET,
.sin_addr = { .s_addr = (__force u32)htonl(INADDR_ANY) },
.sin_addr = { .s_addr = (__force u32)addr },
.sin_port = (__force u16)port,
};
......@@ -1834,15 +1834,15 @@ static int o2net_open_listening_sock(__be16 port)
sock->sk->sk_reuse = 1;
ret = sock->ops->bind(sock, (struct sockaddr *)&sin, sizeof(sin));
if (ret < 0) {
mlog(ML_ERROR, "unable to bind socket to port %d, ret=%d\n",
ntohs(port), ret);
mlog(ML_ERROR, "unable to bind socket at %u.%u.%u.%u:%u, "
"ret=%d\n", NIPQUAD(addr), ntohs(port), ret);
goto out;
}
ret = sock->ops->listen(sock, 64);
if (ret < 0) {
mlog(ML_ERROR, "unable to listen on port %d, ret=%d\n",
ntohs(port), ret);
mlog(ML_ERROR, "unable to listen on %u.%u.%u.%u:%u, ret=%d\n",
NIPQUAD(addr), ntohs(port), ret);
}
out:
......@@ -1875,7 +1875,8 @@ int o2net_start_listening(struct o2nm_node *node)
return -ENOMEM; /* ? */
}
ret = o2net_open_listening_sock(node->nd_ipv4_port);
ret = o2net_open_listening_sock(node->nd_ipv4_address,
node->nd_ipv4_port);
if (ret) {
destroy_workqueue(o2net_wq);
o2net_wq = NULL;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment