commit a38455a7f3924bb1b422dd012e4e7c6243e15e39
author Maxim Dounin <mdounin@mdounin.ru> Sat May 11 21:12:24 2013 +0400
committer Maxim Dounin <mdounin@mdounin.ru> Sat May 11 21:12:24 2013 +0400
tree f75e56729024bd218bf78f54165939281db5d42b
parent 9564f6513b9b4a8203438f4fec8de0aa2b524272

Proxy: $proxy_internal_body_length fixed.

The $proxy_internal_body_length value might change during request lifetime,
notably if proxy_set_body used, and use of a cached value might result in
incorrect upstream requests.

Patch by Lanshun Zhou.

src/http/modules/ngx_http_proxy_module.c

diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index 892ee27..88e41e0 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -615,7 +615,8 @@
 #endif
 
     { ngx_string("proxy_internal_body_length"), NULL,
-      ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
+      ngx_http_proxy_internal_body_length_variable, 0,
+      NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
 
     { ngx_null_string, NULL, NULL, 0, 0, 0 }
 };