Allow TAB in the 3rd field of the first line of HTTP requests and responses.

Fixes: #700



git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@4829 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishd/cache_http.c

@@ -474,7 +474,7 @@ http_splitline(struct worker *w, int fd, struct http *hp,
 	q = p;
 	if (!vct_iscrlf(*p)) {
 		for (; !vct_iscrlf(*p); p++)
-			if (vct_isctl(*p))
+			if (!vct_issep(*p) && vct_isctl(*p))
 				return (-1);
 	}
 	hp->hd[h3].b = q;

bin/varnishtest/tests/r00700.vtc

+# $Id$
+
+test "check TAB in 3 header field"
+
+server s1 {
+	rxreq
+	send "HTTP/1.1 666 foo\tbar\n\nFOO"
+} -start
+
+varnish v1 -vcl+backend {} -start
+
+client c1 {
+	txreq
+	rxresp
+	expect resp.status == 666
+} -run