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server: validate resource versions at creation time

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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>
This commit is contained in:
Derek Foreman 2016-01-15 10:06:48 -06:00 • committed by Bryce Harrington
parent 6801d2d851
commit 88ff135ad4
1 changed files with 7 additions and 0 deletions
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7
src/wayland-server.c
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@ -1390,6 +1390,13 @@ wl_resource_create(struct wl_client *client,
{ {
struct wl_resource *resource; 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); resource = malloc(sizeof *resource);
if (resource == NULL) if (resource == NULL)
return NULL; return NULL;