# HG changeset patch
# User Igor Sysoev <igor@sysoev.ru>
# Date 1142929241 0
# Node ID fbed40ce7cb4fd7203fecc22a617b9ce5b950fb3
# Parent  16dd488c514bcbe65be553a3e7610a2c1569de8c
nginx-0.3.34-RELEASE import

    *) Feature: the "add_header" directive supports the variables.

diff --git a/docs/xml/nginx/changes.xml b/docs/xml/nginx/changes.xml
--- a/docs/xml/nginx/changes.xml
+++ b/docs/xml/nginx/changes.xml
@@ -9,6 +9,20 @@
 <title lang="en">nginx changelog</title>
 
 
+<changes ver="0.3.34" date="21.03.2006">
+
+<change type="feature">
+<para lang="ru">
+директива add_header поддерживает переменные.
+</para>
+<para lang="en">
+the "add_header" directive supports the variables.
+</para>
+</change>
+
+</changes>
+
+
 <changes ver="0.3.33" date="15.03.2006">
 
 <change type="feature">
diff --git a/src/core/nginx.h b/src/core/nginx.h
--- a/src/core/nginx.h
+++ b/src/core/nginx.h
@@ -8,7 +8,7 @@
 #define _NGINX_H_INCLUDED_
 
 
-#define NGINX_VER          "nginx/0.3.33"
+#define NGINX_VER          "nginx/0.3.34"
 
 #define NGINX_VAR          "NGINX"
 #define NGX_OLDPID_EXT     ".oldbin"
diff --git a/src/http/modules/ngx_http_headers_filter_module.c b/src/http/modules/ngx_http_headers_filter_module.c
--- a/src/http/modules/ngx_http_headers_filter_module.c
+++ b/src/http/modules/ngx_http_headers_filter_module.c
@@ -10,9 +10,16 @@
 
 
 typedef struct {
-    time_t        expires;
-    ngx_str_t     cache_control;
-    ngx_array_t  *headers;
+    ngx_table_elt_t   value;
+    ngx_array_t      *lengths;
+    ngx_array_t      *values;
+} ngx_http_header_val_t;
+
+
+typedef struct {
+    time_t            expires;
+    ngx_str_t         cache_control;
+    ngx_array_t      *headers;
 } ngx_http_headers_conf_t;
 
 
@@ -92,7 +99,8 @@ ngx_http_headers_filter(ngx_http_request
 {
     size_t                    len;
     ngx_uint_t                i;
-    ngx_table_elt_t          *expires, *cc, **ccp, *h, *out;
+    ngx_table_elt_t          *expires, *cc, **ccp, *out;
+    ngx_http_header_val_t    *h;
     ngx_http_headers_conf_t  *conf;
 
     if ((r->headers_out.status != NGX_HTTP_OK
@@ -242,7 +250,20 @@ ngx_http_headers_filter(ngx_http_request
                 return NGX_ERROR;
             }
 
-            *out = h[i];
+            out->hash = h[i].value.hash;
+            out->key = h[i].value.key;
+
+            if (h[i].lengths == NULL) {
+                out->value = h[i].value.value;
+                continue;
+            }
+
+            if (ngx_http_script_run(r, &out->value, h[i].lengths->elts, 0,
+                                    h[i].values->elts)
+                == NULL)
+            {
+                return NGX_ERROR;
+            }
         }
     }
 
@@ -368,8 +389,10 @@ ngx_http_headers_add(ngx_conf_t *cf, ngx
 {
     ngx_http_headers_conf_t *hcf = conf;
 
-    ngx_str_t        *value;
-    ngx_table_elt_t  *h;
+    ngx_int_t                   n;
+    ngx_str_t                  *value;
+    ngx_http_header_val_t      *h;
+    ngx_http_script_compile_t   sc;
 
     value = cf->args->elts;
 
@@ -379,7 +402,8 @@ ngx_http_headers_add(ngx_conf_t *cf, ngx
     }
 
     if (hcf->headers == NULL) {
-        hcf->headers = ngx_array_create(cf->pool, 1, sizeof(ngx_table_elt_t));
+        hcf->headers = ngx_array_create(cf->pool, 1,
+                                        sizeof(ngx_http_header_val_t));
         if (hcf->headers == NULL) {
             return NGX_CONF_ERROR;
         }
@@ -390,9 +414,31 @@ ngx_http_headers_add(ngx_conf_t *cf, ngx
         return NGX_CONF_ERROR;
     }
 
-    h->hash = 1;
-    h->key = value[1];
-    h->value = value[2];
+    h->value.hash = 1;
+    h->value.key = value[1];
+    h->value.value = value[2];
+    h->lengths = NULL;
+    h->values = NULL;
+
+    n = ngx_http_script_variables_count(&value[2]);
+
+    if (n == 0) {
+        return NGX_CONF_OK;
+    }
+
+    ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
+
+    sc.cf = cf;
+    sc.source = &value[2];
+    sc.lengths = &h->lengths;
+    sc.values = &h->values;
+    sc.variables = n;
+    sc.complete_lengths = 1;
+    sc.complete_values = 1;
+
+    if (ngx_http_script_compile(&sc) != NGX_OK) {
+        return NGX_CONF_ERROR;
+    }
 
     return NGX_CONF_OK;
 }
diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -2012,6 +2012,7 @@ ngx_http_core_merge_loc_conf(ngx_conf_t 
 
     if (conf->root.data == NULL) {
 
+        conf->alias = prev->alias;
         conf->root = prev->root;
         conf->root_lengths = prev->root_lengths;
         conf->root_values = prev->root_values;
diff --git a/src/http/ngx_http_parse.c b/src/http/ngx_http_parse.c
--- a/src/http/ngx_http_parse.c
+++ b/src/http/ngx_http_parse.c
@@ -689,6 +689,7 @@ ngx_http_parse_header_line(ngx_http_requ
             default:
                 return NGX_HTTP_PARSE_INVALID_HEADER;
             }
+            break;
 
         /* end of header */
         case sw_header_almost_done: