sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

inet/inet_sockif.c:In tcp protocol, Add random ports during the listening phase, if no ports are bound

Browse Source 
In tcp protocol, if no ports are bound, Add random ports during the listening phase

libuvtestcase:
TEST_IMPL(tcp_listen_without_bind) {
int r;
uv_tcp_t server;

r = uv_tcp_init(uv_default_loop(), &server);
ASSERT(r == 0);
r = uv_listen((uv_stream_t*)&server, 128, NULL);
ASSERT(r == 0);

MAKE_VALGRIND_HAPPY();
return 0;
}

Signed-off-by: wangchen <wangchen41@xiaomi.com>
This commit is contained in:
wangchen 2023-08-03 14:30:38 +08:00 committed by Xiang Xiao
parent d528d2c410
commit 5c798dd297
1 changed files with 30 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
net/inet/inet_sockif.c
View File

@ -1137,9 +1137,37 @@ static int inet_listen(FAR struct socket *psock, int backlog)
#ifdef NET_TCP_HAVE_STACK
conn = psock->s_conn;
if (conn->lport <= 0)
if (conn->lport == 0)
{
return -EOPNOTSUPP;
#ifdef CONFIG_NET_IPv4
#ifdef CONFIG_NET_IPv6
if (conn->domain == PF_INET)
#endif
{
/* Select a port that is unique for this IPv4 local address
* (network order).
*/
conn->lport = tcp_selectport(PF_INET,
(FAR const union ip_addr_u *)
&conn->u.ipv4.laddr, 0);
}
#endif /* CONFIG_NET_IPv4 */
#ifdef CONFIG_NET_IPv6
#ifdef CONFIG_NET_IPv4
else
#endif
{
/* Select a port that is unique for this IPv6 local address
* (network order).
*/
conn->lport = tcp_selectport(PF_INET6,
(FAR const union ip_addr_u *)
conn->u.ipv6.laddr, 0);
}
#endif /* CONFIG_NET_IPv6 */
}
#ifdef CONFIG_NET_TCPBACKLOG