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server: Test for illegally low interface versions in wl_global_create()

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Any version lower than 1 is unreasonable.

Signed-off-by: Derek Foreman <derekf@osg.samsung.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
Derek Foreman 2016-01-14 11:02:18 -06:00
parent 16b4cc6902
commit 2b4c053924
1 changed files with 7 additions and 0 deletions
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7
src/wayland-server.c
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@ -908,6 +908,13 @@ wl_global_create(struct wl_display *display,
struct wl_global *global; struct wl_global *global;
struct wl_resource *resource; struct wl_resource *resource;
if (version < 1) {
wl_log("wl_global_create: failing to create interface "
"'%s' with version %d because it is less than 1\n",
interface->name, version);
return NULL;
}
if (version > interface->version) { if (version > interface->version) {
wl_log("wl_global_create: implemented version for '%s' " wl_log("wl_global_create: implemented version for '%s' "
"higher than interface version (%d > %d)\n", "higher than interface version (%d > %d)\n",