# HG changeset patch
# User Andrey Belov <defan@nginx.com>
# Date 1329150741 0
# Node ID 08713bac87fc0eb978ecc0613a6d6b36ce7a98c0
# Parent  7033faf6dc3c3064791b6daa4eac22dc5f23f0d8
Support for disable_symlinks in various modules.

diff --git a/src/http/modules/ngx_http_flv_module.c b/src/http/modules/ngx_http_flv_module.c
--- a/src/http/modules/ngx_http_flv_module.c
+++ b/src/http/modules/ngx_http_flv_module.c
@@ -109,6 +109,9 @@ ngx_http_flv_handler(ngx_http_request_t 
     of.min_uses = clcf->open_file_cache_min_uses;
     of.errors = clcf->open_file_cache_errors;
     of.events = clcf->open_file_cache_events;
+#if (NGX_HAVE_OPENAT)
+    of.disable_symlinks = clcf->disable_symlinks;
+#endif
 
     if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
         != NGX_OK)
@@ -127,6 +130,10 @@ ngx_http_flv_handler(ngx_http_request_t 
             break;
 
         case NGX_EACCES:
+#if (NGX_HAVE_OPENAT)
+        case NGX_EMLINK:
+        case NGX_ELOOP:
+#endif
 
             level = NGX_LOG_ERR;
             rc = NGX_HTTP_FORBIDDEN;
diff --git a/src/http/modules/ngx_http_gzip_static_module.c b/src/http/modules/ngx_http_gzip_static_module.c
--- a/src/http/modules/ngx_http_gzip_static_module.c
+++ b/src/http/modules/ngx_http_gzip_static_module.c
@@ -129,6 +129,9 @@ ngx_http_gzip_static_handler(ngx_http_re
     of.min_uses = clcf->open_file_cache_min_uses;
     of.errors = clcf->open_file_cache_errors;
     of.events = clcf->open_file_cache_events;
+#if (NGX_HAVE_OPENAT)
+    of.disable_symlinks = clcf->disable_symlinks;
+#endif
 
     if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
         != NGX_OK)
@@ -145,6 +148,10 @@ ngx_http_gzip_static_handler(ngx_http_re
             return NGX_DECLINED;
 
         case NGX_EACCES:
+#if (NGX_HAVE_OPENAT)
+        case NGX_EMLINK:
+        case NGX_ELOOP:
+#endif
 
             level = NGX_LOG_ERR;
             break;
diff --git a/src/http/modules/ngx_http_index_module.c b/src/http/modules/ngx_http_index_module.c
--- a/src/http/modules/ngx_http_index_module.c
+++ b/src/http/modules/ngx_http_index_module.c
@@ -209,6 +209,9 @@ ngx_http_index_handler(ngx_http_request_
         of.test_only = 1;
         of.errors = clcf->open_file_cache_errors;
         of.events = clcf->open_file_cache_events;
+#if (NGX_HAVE_OPENAT)
+        of.disable_symlinks = clcf->disable_symlinks;
+#endif
 
         if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
             != NGX_OK)
@@ -220,6 +223,14 @@ ngx_http_index_handler(ngx_http_request_
                 return NGX_HTTP_INTERNAL_SERVER_ERROR;
             }
 
+#if (NGX_HAVE_OPENAT)
+            if (of.err == NGX_EMLINK
+                || of.err == NGX_ELOOP)
+            {
+                return NGX_HTTP_FORBIDDEN;
+            }
+#endif
+
             if (of.err == NGX_ENOTDIR
                 || of.err == NGX_ENAMETOOLONG
                 || of.err == NGX_EACCES)
@@ -296,12 +307,23 @@ ngx_http_index_test_dir(ngx_http_request
     of.test_only = 1;
     of.valid = clcf->open_file_cache_valid;
     of.errors = clcf->open_file_cache_errors;
+#if (NGX_HAVE_OPENAT)
+    of.disable_symlinks = clcf->disable_symlinks;
+#endif
 
     if (ngx_open_cached_file(clcf->open_file_cache, &dir, &of, r->pool)
         != NGX_OK)
     {
         if (of.err) {
 
+#if (NGX_HAVE_OPENAT)
+            if (of.err == NGX_EMLINK
+                || of.err == NGX_ELOOP)
+            {
+                return NGX_HTTP_FORBIDDEN;
+            }
+#endif
+
             if (of.err == NGX_ENOENT) {
                 *last = c;
                 return ngx_http_index_error(r, clcf, dir.data, NGX_ENOENT);
diff --git a/src/http/modules/ngx_http_log_module.c b/src/http/modules/ngx_http_log_module.c
--- a/src/http/modules/ngx_http_log_module.c
+++ b/src/http/modules/ngx_http_log_module.c
@@ -373,6 +373,8 @@ ngx_http_log_script_write(ngx_http_reque
     ngx_http_log_loc_conf_t   *llcf;
     ngx_http_core_loc_conf_t  *clcf;
 
+    clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
+
     if (!r->root_tested) {
 
         /* test root directory existance */
@@ -384,8 +386,6 @@ ngx_http_log_script_write(ngx_http_reque
 
         path.data[root] = '\0';
 
-        clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
-
         ngx_memzero(&of, sizeof(ngx_open_file_info_t));
 
         of.valid = clcf->open_file_cache_valid;
@@ -394,6 +394,9 @@ ngx_http_log_script_write(ngx_http_reque
         of.test_only = 1;
         of.errors = clcf->open_file_cache_errors;
         of.events = clcf->open_file_cache_events;
+#if (NGX_HAVE_OPENAT)
+        of.disable_symlinks = clcf->disable_symlinks;
+#endif
 
         if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
             != NGX_OK)
@@ -441,6 +444,9 @@ ngx_http_log_script_write(ngx_http_reque
     of.valid = llcf->open_file_cache_valid;
     of.min_uses = llcf->open_file_cache_min_uses;
     of.directio = NGX_OPEN_FILE_DIRECTIO_OFF;
+#if (NGX_HAVE_OPENAT)
+    of.disable_symlinks = clcf->disable_symlinks;
+#endif
 
     if (ngx_open_cached_file(llcf->open_file_cache, &log, &of, r->pool)
         != NGX_OK)
diff --git a/src/http/modules/ngx_http_mp4_module.c b/src/http/modules/ngx_http_mp4_module.c
--- a/src/http/modules/ngx_http_mp4_module.c
+++ b/src/http/modules/ngx_http_mp4_module.c
@@ -440,6 +440,9 @@ ngx_http_mp4_handler(ngx_http_request_t 
     of.min_uses = clcf->open_file_cache_min_uses;
     of.errors = clcf->open_file_cache_errors;
     of.events = clcf->open_file_cache_events;
+#if (NGX_HAVE_OPENAT)
+    of.disable_symlinks = clcf->disable_symlinks;
+#endif
 
     if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
         != NGX_OK)
@@ -458,6 +461,10 @@ ngx_http_mp4_handler(ngx_http_request_t 
             break;
 
         case NGX_EACCES:
+#if (NGX_HAVE_OPENAT)
+        case NGX_EMLINK:
+        case NGX_ELOOP:
+#endif
 
             level = NGX_LOG_ERR;
             rc = NGX_HTTP_FORBIDDEN;
diff --git a/src/http/modules/ngx_http_static_module.c b/src/http/modules/ngx_http_static_module.c
--- a/src/http/modules/ngx_http_static_module.c
+++ b/src/http/modules/ngx_http_static_module.c
@@ -94,6 +94,9 @@ ngx_http_static_handler(ngx_http_request
     of.min_uses = clcf->open_file_cache_min_uses;
     of.errors = clcf->open_file_cache_errors;
     of.events = clcf->open_file_cache_events;
+#if (NGX_HAVE_OPENAT)
+    of.disable_symlinks = clcf->disable_symlinks;
+#endif
 
     if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
         != NGX_OK)
@@ -112,6 +115,10 @@ ngx_http_static_handler(ngx_http_request
             break;
 
         case NGX_EACCES:
+#if (NGX_HAVE_OPENAT)
+        case NGX_EMLINK:
+        case NGX_ELOOP:
+#endif
 
             level = NGX_LOG_ERR;
             rc = NGX_HTTP_FORBIDDEN;
diff --git a/src/http/modules/perl/nginx.xs b/src/http/modules/perl/nginx.xs
--- a/src/http/modules/perl/nginx.xs
+++ b/src/http/modules/perl/nginx.xs
@@ -662,6 +662,9 @@ sendfile(r, filename, offset = -1, bytes
     of.min_uses = clcf->open_file_cache_min_uses;
     of.errors = clcf->open_file_cache_errors;
     of.events = clcf->open_file_cache_events;
+#if (NGX_HAVE_OPENAT)
+    of.disable_symlinks = clcf->disable_symlinks;
+#endif
 
     if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
         != NGX_OK)
diff --git a/src/http/ngx_http_script.c b/src/http/ngx_http_script.c
--- a/src/http/ngx_http_script.c
+++ b/src/http/ngx_http_script.c
@@ -1505,6 +1505,9 @@ ngx_http_script_file_code(ngx_http_scrip
     of.test_only = 1;
     of.errors = clcf->open_file_cache_errors;
     of.events = clcf->open_file_cache_events;
+#if (NGX_HAVE_OPENAT)
+    of.disable_symlinks = clcf->disable_symlinks;
+#endif
 
     if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
         != NGX_OK)