[PATCH spice-gtk] session: warn on invalid port value

["Marc-André Lureau" <marcandre.lureau@xxxxxxxxx>]

---
 gtk/spice-session.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/gtk/spice-session.c b/gtk/spice-session.c
index ccc9367..88ab5f6 100644
--- a/gtk/spice-session.c
+++ b/gtk/spice-session.c
@@ -1745,15 +1745,22 @@ GSocket* spice_session_channel_open_host(SpiceSession *session, SpiceChannel *ch
 {
     SpiceSessionPrivate *s = SPICE_SESSION_GET_PRIVATE(session);
     spice_open_host open_host = { 0, };
-
-    if ((use_tls && !s->tls_port) || (!use_tls && !s->port))
-        return NULL;
+    gchar *port, *endptr;
 
     // FIXME: make open_host() cancellable
     open_host.from = coroutine_self();
     open_host.session = session;
     open_host.channel = channel;
-    open_host.port = atoi(use_tls ? s->tls_port : s->port);
+    port = use_tls ? s->tls_port : s->port;
+    if (port == NULL)
+        return NULL;
+
+    open_host.port = strtol(port, &endptr, 10);
+    if (*port == '\0' || *endptr != '\0') {
+        g_warning("Invalid port value %s", port);
+        return NULL;
+    }
+
     open_host.client = g_socket_client_new();
 
     guint id = g_idle_add(open_host_idle_cb, &open_host);
-- 
1.8.1.1.439.g50a6b54

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