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-rw-r--r--dbus/dbus-server-socket.c9
-rw-r--r--dbus/dbus-sysdeps-unix.c16
-rw-r--r--dbus/dbus-sysdeps.h2
3 files changed, 17 insertions, 10 deletions
diff --git a/dbus/dbus-server-socket.c b/dbus/dbus-server-socket.c
index 5c11e145..3a0da35f 100644
--- a/dbus/dbus-server-socket.c
+++ b/dbus/dbus-server-socket.c
@@ -323,6 +323,9 @@ _dbus_server_new_for_tcp_socket (const char *host,
if (host == NULL)
host = "localhost";
+
+ listen_fd = _dbus_listen_tcp_socket (host, &port, error);
+ _dbus_fd_set_close_on_exec (listen_fd);
_dbus_string_init_const (&host_str, host);
if (!_dbus_string_append (&address, "tcp:host=") ||
@@ -334,9 +337,7 @@ _dbus_server_new_for_tcp_socket (const char *host,
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
return NULL;
}
-
- listen_fd = _dbus_listen_tcp_socket (host, port, error);
- _dbus_fd_set_close_on_exec (listen_fd);
+
if (listen_fd < 0)
{
@@ -401,7 +402,7 @@ _dbus_server_listen_socket (DBusAddressEntry *entry,
sresult = _dbus_string_parse_int (&str, 0, &lport, NULL);
_dbus_string_free (&str);
- if (sresult == FALSE || lport <= 0 || lport > 65535)
+ if (sresult == FALSE || lport < 0 || lport > 65535)
{
_dbus_set_bad_address(error, NULL, NULL,
"Port is not an integer between 0 and 65535");
diff --git a/dbus/dbus-sysdeps-unix.c b/dbus/dbus-sysdeps-unix.c
index 1c96d6e3..eedbe33b 100644
--- a/dbus/dbus-sysdeps-unix.c
+++ b/dbus/dbus-sysdeps-unix.c
@@ -757,21 +757,24 @@ _dbus_connect_tcp_socket (const char *host,
* Creates a socket and binds it to the given path,
* then listens on the socket. The socket is
* set to be nonblocking.
+ * In case of port=0 a random free port is used and
+ * returned in the port parameter.
*
* @param host the host name to listen on
- * @param port the prot to listen on
+ * @param port the prot to listen on, if zero a free port will be used
* @param error return location for errors
* @returns the listening file descriptor or -1 on error
*/
int
_dbus_listen_tcp_socket (const char *host,
- dbus_uint32_t port,
+ dbus_uint32_t *port,
DBusError *error)
{
int listen_fd;
struct sockaddr_in addr;
struct hostent *he;
struct in_addr *haddr;
+ socklen_t len = (socklen_t) sizeof (struct sockaddr);
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
@@ -799,13 +802,13 @@ _dbus_listen_tcp_socket (const char *host,
_DBUS_ZERO (addr);
memcpy (&addr.sin_addr, haddr, sizeof (struct in_addr));
addr.sin_family = AF_INET;
- addr.sin_port = htons (port);
+ addr.sin_port = htons (*port);
if (bind (listen_fd, (struct sockaddr*) &addr, sizeof (struct sockaddr)))
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to bind socket \"%s:%d\": %s",
- host, port, _dbus_strerror (errno));
+ host, *port, _dbus_strerror (errno));
_dbus_close (listen_fd, NULL);
return -1;
}
@@ -814,11 +817,14 @@ _dbus_listen_tcp_socket (const char *host,
{
dbus_set_error (error, _dbus_error_from_errno (errno),
"Failed to listen on socket \"%s:%d\": %s",
- host, port, _dbus_strerror (errno));
+ host, *port, _dbus_strerror (errno));
_dbus_close (listen_fd, NULL);
return -1;
}
+ getsockname(listen_fd, (struct sockaddr*) &addr, &len);
+ *port = (dbus_uint32_t) ntohs(addr.sin_port);
+
if (!_dbus_set_fd_nonblocking (listen_fd, error))
{
_dbus_close (listen_fd, NULL);
diff --git a/dbus/dbus-sysdeps.h b/dbus/dbus-sysdeps.h
index 2218cfc1..d3659f24 100644
--- a/dbus/dbus-sysdeps.h
+++ b/dbus/dbus-sysdeps.h
@@ -141,7 +141,7 @@ int _dbus_connect_tcp_socket (const char *host,
dbus_uint32_t port,
DBusError *error);
int _dbus_listen_tcp_socket (const char *host,
- dbus_uint32_t port,
+ dbus_uint32_t *port,
DBusError *error);
int _dbus_accept (int listen_fd);