From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 31 Jan 2011 02:30:41 +0000 (+0100)
Subject: blob: validate strings on parse
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Flibubox.git;a=commitdiff_plain;h=ec593913f4a5ee31d4a295708ba91beb0d439ffe

blob: validate strings on parse
---

diff --git a/blob.c b/blob.c
index 89ed31a..3bd69fa 100644
--- a/blob.c
+++ b/blob.c
@@ -142,6 +142,7 @@ blob_parse(struct blob_attr *attr, struct blob_attr **data, const struct blob_at
 	blob_for_each_attr(pos, attr, rem) {
 		int id = blob_id(pos);
 		int len = blob_len(pos);
+		char *pdata;
 
 		if (id >= max)
 			continue;
@@ -158,6 +159,10 @@ blob_parse(struct blob_attr *attr, struct blob_attr **data, const struct blob_at
 				}
 			}
 
+			pdata = blob_data(pos);
+			if (type == BLOB_ATTR_STRING && pdata[len] != 0)
+				continue;
+
 			if (info[id].minlen && len < info[id].minlen)
 				continue;