From: Maxim Dounin <mdounin@mdounin.ru>
Date: Mon, 9 Jul 2012 17:04:37 +0000 (+0000)
Subject: Entity tags: empty etags handling in If-Range.
X-Git-Tag: release-1.3.3~1
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=e3acbc6bbbd69cb38de2b19847db6025fbdc2e1d;p=nginx.git

Entity tags: empty etags handling in If-Range.

Entity tag may be of length 2 as per RFC 2616, i.e. double quotes only.
Pointed out by Ruslan Ermilov.
---

diff --git a/src/http/modules/ngx_http_range_filter_module.c b/src/http/modules/ngx_http_range_filter_module.c
index 7a7742105..82c202d33 100644
--- a/src/http/modules/ngx_http_range_filter_module.c
+++ b/src/http/modules/ngx_http_range_filter_module.c
@@ -179,7 +179,7 @@ ngx_http_range_header_filter(ngx_http_request_t *r)
 
         if_range = &r->headers_in.if_range->value;
 
-        if (if_range->len > 2 && if_range->data[if_range->len - 1] == '"') {
+        if (if_range->len >= 2 && if_range->data[if_range->len - 1] == '"') {
 
             if (r->headers_out.etag == NULL) {
                 goto next_filter;