From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 13 Feb 2013 16:09:37 +0000 (+0100)
Subject: hotplug: validate expression name element
X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fprocd.git;a=commitdiff_plain;h=859c08948968051330b5daddc07d62b40eca23a7

hotplug: validate expression name element

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---

diff --git a/hotplug-rule.c b/hotplug-rule.c
index 7508b1d..7e9c16a 100644
--- a/hotplug-rule.c
+++ b/hotplug-rule.c
@@ -306,7 +306,8 @@ static int rule_process_expr(struct blob_attr *cur, struct blob_attr *msg)
 	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;
 	}