commit e3acbc6bbbd69cb38de2b19847db6025fbdc2e1d
author Maxim Dounin <mdounin@mdounin.ru> Mon Jul 09 17:04:37 2012 +0000
committer Maxim Dounin <mdounin@mdounin.ru> Mon Jul 09 17:04:37 2012 +0000
tree e7dbb84bc3b3541ccfe07be20f16d15a7a8c146b
parent 1b77858ac56ed4c304d7265f0691772f30e8dccb

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.

src/http/modules/ngx_http_range_filter_module.c

diff --git a/src/http/modules/ngx_http_range_filter_module.c b/src/http/modules/ngx_http_range_filter_module.c
index 7a77421..82c202d 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 @@
 
         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;