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diff src/http/modules/ngx_http_range_filter_module.c @ 7055:887c8c58ffeb

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Range filter: avoid negative range start. Suffix ranges no longer allowed to set negative start values, to prevent ranges with negative start from appearing even if total size protection will be removed.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 11 Jul 2017 16:06:26 +0300
parents e02555553d0b
children e3723f2a11b7
line wrap: on
line diff
--- a/src/http/modules/ngx_http_range_filter_module.c
+++ b/src/http/modules/ngx_http_range_filter_module.c
@@ -355,7 +355,7 @@ ngx_http_range_parse(ngx_http_request_t 
         }
 
         if (suffix) {
-            start = content_length - end;
+            start = (end < content_length) ? content_length - end : 0;
             end = content_length - 1;
         }