hotplug: validate expression name element
authorFelix Fietkau <nbd@openwrt.org>
Wed, 13 Feb 2013 16:09:37 +0000 (17:09 +0100)
committerFelix Fietkau <nbd@openwrt.org>
Wed, 13 Feb 2013 16:09:44 +0000 (17:09 +0100)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
hotplug-rule.c

index 7508b1d..7e9c16a 100644 (file)
@@ -306,7 +306,8 @@ static int rule_process_expr(struct blob_attr *cur, struct blob_attr *msg)
        bool found;
        int ret;
 
        bool found;
        int ret;
 
-       if (blobmsg_type(cur) != BLOBMSG_TYPE_ARRAY) {
+       if (blobmsg_type(cur) != BLOBMSG_TYPE_ARRAY ||
+           blobmsg_type(blobmsg_data(cur)) != BLOBMSG_TYPE_STRING) {
                rule_error(cur, "Unexpected element type");
                return -1;
        }
                rule_error(cur, "Unexpected element type");
                return -1;
        }