Hello!

Recently a user of our ngx_lua module reported that he could not
access $proxy_host and $proxy_port in Lua because these two variables
set the flag NGX_HTTP_VAR_NOHASH:

https://github.com/chaoslawful/lua-nginx-module/issues/301

The patch below removes this flag from these two variables to make
them accessible in dynamic languages like Perl and Lua. Comments
welcome!

Thanks!
-agentzh

--- nginx-1.4.3/src/http/modules/ngx_http_proxy_module.c 2013-10-08
05:07:14.000000000 -0700
+++ nginx-1.4.3-patched/src/http/modules/ngx_http_proxy_module.c
2013-10-27 15:29:41.619378592 -0700
@@ -602,10 +602,10 @@ static ngx_keyval_t ngx_http_proxy_cach
static ngx_http_variable_t ngx_http_proxy_vars[] = {

{ ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0,
- NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH,
0 },
+ NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 },

{ ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,
- NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH,
0 },
+ NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE, 0 },

{ ngx_string("proxy_add_x_forwarded_for"), NULL,
ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
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