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changeset 1725:0a174d921f1e stable-0.5

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r1593, r1595 merge: server_tokens
author Igor Sysoev <igor@sysoev.ru>
date Wed, 12 Dec 2007 20:53:06 +0000
parents 461d00e8a2a9
children d2a12e9a34e8
files src/http/ngx_http_core_module.c src/http/ngx_http_core_module.h src/http/ngx_http_header_filter_module.c src/http/ngx_http_special_response.c
diffstat 4 files changed, 44 insertions(+), 10 deletions(-) [+]
line wrap: on
line diff
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -432,6 +432,13 @@ static ngx_command_t  ngx_http_core_comm
       offsetof(ngx_http_core_loc_conf_t, recursive_error_pages),
       NULL },
 
+    { ngx_string("server_tokens"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+      ngx_conf_set_flag_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_core_loc_conf_t, server_tokens),
+      NULL },
+
     { ngx_string("error_page"),
       NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
                         |NGX_CONF_2MORE,
@@ -2370,6 +2377,7 @@ ngx_http_core_create_loc_conf(ngx_conf_t
     lcf->msie_refresh = NGX_CONF_UNSET;
     lcf->log_not_found = NGX_CONF_UNSET;
     lcf->recursive_error_pages = NGX_CONF_UNSET;
+    lcf->server_tokens = NGX_CONF_UNSET;
     lcf->types_hash_max_size = NGX_CONF_UNSET_UINT;
     lcf->types_hash_bucket_size = NGX_CONF_UNSET_UINT;
 
@@ -2554,6 +2562,7 @@ ngx_http_core_merge_loc_conf(ngx_conf_t 
     ngx_conf_merge_value(conf->log_not_found, prev->log_not_found, 1);
     ngx_conf_merge_value(conf->recursive_error_pages,
                               prev->recursive_error_pages, 0);
+    ngx_conf_merge_value(conf->server_tokens, prev->server_tokens, 1);
 
     if (conf->open_files == NULL) {
         conf->open_files = prev->open_files;
--- a/src/http/ngx_http_core_module.h
+++ b/src/http/ngx_http_core_module.h
@@ -285,6 +285,7 @@ struct ngx_http_core_loc_conf_s {
     ngx_flag_t    msie_refresh;            /* msie_refresh */
     ngx_flag_t    log_not_found;           /* log_not_found */
     ngx_flag_t    recursive_error_pages;   /* recursive_error_pages */
+    ngx_flag_t    server_tokens;           /* server_tokens */
 
     ngx_array_t  *error_pages;             /* error_page */
 
--- a/src/http/ngx_http_header_filter_module.c
+++ b/src/http/ngx_http_header_filter_module.c
@@ -45,7 +45,8 @@ ngx_module_t  ngx_http_header_filter_mod
 };
 
 
-static char ngx_http_server_string[] = "Server: " NGINX_VER CRLF;
+static char ngx_http_server_string[] = "Server: nginx" CRLF;
+static char ngx_http_server_full_string[] = "Server: " NGINX_VER CRLF;
 
 
 static ngx_str_t ngx_http_status_lines[] = {
@@ -237,8 +238,11 @@ ngx_http_header_filter(ngx_http_request_
         len += ngx_http_status_lines[status].len;
     }
 
+    clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
+
     if (r->headers_out.server == NULL) {
-        len += sizeof(ngx_http_server_string) - 1;
+        len += clcf->server_tokens ? sizeof(ngx_http_server_full_string) - 1:
+                                     sizeof(ngx_http_server_string) - 1;
     }
 
     if (r->headers_out.date == NULL) {
@@ -268,8 +272,6 @@ ngx_http_header_filter(ngx_http_request_
         len += sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT" CRLF) - 1;
     }
 
-    clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
-
     if (r->headers_out.location
         && r->headers_out.location->value.len
         && r->headers_out.location->value.data[0] == '/')
@@ -365,8 +367,16 @@ ngx_http_header_filter(ngx_http_request_
     *b->last++ = CR; *b->last++ = LF;
 
     if (r->headers_out.server == NULL) {
-        b->last = ngx_cpymem(b->last, ngx_http_server_string,
-                             sizeof(ngx_http_server_string) - 1);
+        if (clcf->server_tokens) {
+            p = (u_char *) ngx_http_server_full_string;
+            len = sizeof(ngx_http_server_full_string) - 1;
+
+        } else {
+            p = (u_char *) ngx_http_server_string;
+            len = sizeof(ngx_http_server_string) - 1;
+        }
+
+        b->last = ngx_cpymem(b->last, p, len);
     }
 
     if (r->headers_out.date == NULL) {
--- a/src/http/ngx_http_special_response.c
+++ b/src/http/ngx_http_special_response.c
@@ -10,8 +10,15 @@
 #include <nginx.h>
 
 
+static u_char error_full_tail[] =
+"<hr><center>" NGINX_VER "</center>" CRLF
+"</body>" CRLF
+"</html>" CRLF
+;
+
+
 static u_char error_tail[] =
-"<hr><center>" NGINX_VER "</center>" CRLF
+"<hr><center>nginx</center>" CRLF
 "</body>" CRLF
 "</html>" CRLF
 ;
@@ -471,7 +478,8 @@ ngx_http_special_response_handler(ngx_ht
     if (!r->zero_body) {
         if (error_pages[err].len) {
             r->headers_out.content_length_n = error_pages[err].len
-                                              + sizeof(error_tail) - 1;
+                + (clcf->server_tokens ? sizeof(error_full_tail) - 1:
+                                         sizeof(error_tail) - 1);
 
             if (clcf->msie_padding
                 && r->headers_in.msie
@@ -568,8 +576,14 @@ ngx_http_special_response_handler(ngx_ht
         }
 
         b->memory = 1;
-        b->pos = error_tail;
-        b->last = error_tail + sizeof(error_tail) - 1;
+
+        if (clcf->server_tokens) {
+            b->pos = error_full_tail;
+            b->last = error_full_tail + sizeof(error_full_tail) - 1;
+        } else {
+            b->pos = error_tail;
+            b->last = error_tail + sizeof(error_tail) - 1;
+        }
 
         cl->next = ngx_alloc_chain_link(r->pool);
         if (cl->next == NULL) {