From: Jo-Philipp Wich <jow@openwrt.org>
Date: Thu, 12 Aug 2010 10:56:41 +0000 (+0000)
Subject: uhttpd: fix segmentation fault triggered by invalid header line
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=48471980935097fbdc4e2f27b68636c55db48bd9;p=openwrt%2Fstaging%2F981213.git

uhttpd: fix segmentation fault triggered by invalid header line

SVN-Revision: 22607
---

diff --git a/package/uhttpd/src/uhttpd.c b/package/uhttpd/src/uhttpd.c
index 247eb79752..764ff7d570 100644
--- a/package/uhttpd/src/uhttpd.c
+++ b/package/uhttpd/src/uhttpd.c
@@ -266,7 +266,8 @@ static struct http_request * uh_http_header_parse(struct client *cl, char *buffe
 		}
 
 		/* check version */
-		if( strcmp(version, "HTTP/0.9") && strcmp(version, "HTTP/1.0") && strcmp(version, "HTTP/1.1") )
+		if( (version == NULL) || (strcmp(version, "HTTP/0.9") &&
+		    strcmp(version, "HTTP/1.0") && strcmp(version, "HTTP/1.1")) )
 		{
 			/* unsupported version */
 			uh_http_response(cl, 400, "Bad Request");