From: Derek Foreman <derekf@osg.samsung.com>
Date: Fri, 15 Jan 2016 16:06:48 +0000 (-0600)
Subject: server: validate resource versions at creation time
X-Git-Tag: 1.10.91~40
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=88ff135ad46b556b6fdeb1244ffd019a262967bc;p=platform%2Fupstream%2Fwayland.git

server: validate resource versions at creation time

We shouldn't ever create a resource with version less than 1 or
greater than the interface version.

Reviewed-by: Marek Chalupa <mchqwerty@gmail.com>
Signed-off-by: Derek Foreman <derekf@osg.samsung.com>
---

diff --git a/src/wayland-server.c b/src/wayland-server.c
index ae9365f..67cdd0c 100644
--- a/src/wayland-server.c
+++ b/src/wayland-server.c
@@ -1390,6 +1390,13 @@ wl_resource_create(struct wl_client *client,
 {
 	struct wl_resource *resource;
 
+	if (version < 1 || version > interface->version) {
+		wl_log("wl_resource_create: invalid resource version %d "
+		       "for interface '%s' - must be in range [1, %d]\n",
+		       version, interface->name, interface->version);
+		return NULL;
+	}
+
 	resource = malloc(sizeof *resource);
 	if (resource == NULL)
 		return NULL;