From: Ruediger Pluem <rpluem@apache.org>
Date: Thu, 1 Sep 2011 06:24:53 +0000 (+0000)
Subject: * Ranges like --2 or -0 are invalid
X-Git-Tag: 2.3.15~311
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=191278d04607b313477cbb4b8f9243c720532439;p=thirdparty%2Fapache%2Fhttpd.git

* Ranges like --2 or -0 are invalid

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1163916 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/modules/http/byterange_filter.c b/modules/http/byterange_filter.c
index b6909730dc5..cf0edc587ce 100644
--- a/modules/http/byterange_filter.c
+++ b/modules/http/byterange_filter.c
@@ -549,6 +549,9 @@ static int ap_set_byterange(request_rec *r, apr_off_t clength,
             if (apr_strtoff(&number, dash+1, &errp, 10) || *errp) {
                 return 0;
             }
+            if (number < 1) {
+                return 0;
+            }
             start = clength - number;
             end = clength - 1;
         }