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From cove...@apache.org
Subject svn commit: r1043023 - in /httpd/httpd/trunk: CHANGES modules/http/http_request.c server/core.c
Date Tue, 07 Dec 2010 13:06:22 GMT
Author: covener
Date: Tue Dec  7 13:06:22 2010
New Revision: 1043023

URL: http://svn.apache.org/viewvc?rev=1043023&view=rev
Log:
PR50349: Honor 'AcceptPathInfo OFF' during internal redirects,
such as per-directory mod_rewrite substitutions.   This would be left floating 
around in the request_rec with a pcalloc'ed value, so the core fixup
hook thought some module had overridden it.


Modified:
    httpd/httpd/trunk/CHANGES
    httpd/httpd/trunk/modules/http/http_request.c
    httpd/httpd/trunk/server/core.c

Modified: httpd/httpd/trunk/CHANGES
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/CHANGES?rev=1043023&r1=1043022&r2=1043023&view=diff
==============================================================================
--- httpd/httpd/trunk/CHANGES [utf-8] (original)
+++ httpd/httpd/trunk/CHANGES [utf-8] Tue Dec  7 13:06:22 2010
@@ -2,6 +2,10 @@
 
 Changes with Apache 2.3.10
 
+  *) core: Honor 'AcceptPathInfo OFF' during internal redirects,
+     such as per-directory mod_rewrite substitutions.  PR 50349.
+     [Eric Covener]
+
   *) mod_rewrite: Add 'RewriteOptions InheritBefore' to put the base 
      rules/conditions before the overridden rules/conditions.  PR 39313.
      [Jérôme Grandjanny <jerome.grandjanny cea.fr>]

Modified: httpd/httpd/trunk/modules/http/http_request.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/http/http_request.c?rev=1043023&r1=1043022&r2=1043023&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/http/http_request.c (original)
+++ httpd/httpd/trunk/modules/http/http_request.c Tue Dec  7 13:06:22 2010
@@ -521,6 +521,11 @@ static request_rec *internal_internal_re
     apr_table_setn(new->subprocess_env, "REDIRECT_STATUS",
                    apr_itoa(r->pool, r->status));
 
+    /* Begin by presuming any module can make its own path_info assumptions,
+     * until some module interjects and changes the value.
+     */
+    new->used_path_info = AP_REQ_DEFAULT_PATH_INFO;
+
     /*
      * XXX: hmm.  This is because mod_setenvif and mod_unique_id really need
      * to do their thing on internal redirects as well.  Perhaps this is a

Modified: httpd/httpd/trunk/server/core.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/server/core.c?rev=1043023&r1=1043022&r2=1043023&view=diff
==============================================================================
--- httpd/httpd/trunk/server/core.c (original)
+++ httpd/httpd/trunk/server/core.c Tue Dec  7 13:06:22 2010
@@ -73,6 +73,9 @@
 #define AP_MAX_INCLUDE_DEPTH            (128)
 #endif
 
+/* valid in core-conf, but not in runtime r->used_path_info */
+#define AP_ACCEPT_PATHINFO_UNSET 3 
+
 APR_HOOK_STRUCT(
     APR_HOOK_LINK(get_mgmt_items)
 )
@@ -120,7 +123,7 @@ static void *create_core_dir_config(apr_
     conf->override_opts = OPT_UNSET | OPT_ALL | OPT_SYM_OWNER | OPT_MULTI;
 
     conf->content_md5 = 2;
-    conf->accept_path_info = 3;
+    conf->accept_path_info = AP_ACCEPT_PATHINFO_UNSET;
 
     conf->use_canonical_name = USE_CANONICAL_NAME_UNSET;
     conf->use_canonical_phys_port = USE_CANONICAL_PHYS_PORT_UNSET;
@@ -3759,15 +3762,17 @@ static int core_override_type(request_re
     /* Deal with the poor soul who is trying to force path_info to be
      * accepted within the core_handler, where they will let the subreq
      * address its contents.  This is toggled by the user in the very
-     * beginning of the fixup phase, so modules should override the user's
+     * beginning of the fixup phase (here!), so modules should override the user's
      * discretion in their own module fixup phase.  It is tristate, if
-     * the user doesn't specify, the result is 2 (which the module may
-     * interpret to its own customary behavior.)  It won't be touched
-     * if the value is no longer undefined (2), so any module changing
-     * the value prior to the fixup phase OVERRIDES the user's choice.
+     * the user doesn't specify, the result is AP_REQ_DEFAULT_PATH_INFO.
+     * (which the module may interpret to its own customary behavior.)  
+     * It won't be touched if the value is no longer AP_ACCEPT_PATHINFO_UNSET,
+     * so any module changing the value prior to the fixup phase 
+     * OVERRIDES the user's choice.
      */
     if ((r->used_path_info == AP_REQ_DEFAULT_PATH_INFO)
-        && (conf->accept_path_info != 3)) {
+        && (conf->accept_path_info != AP_ACCEPT_PATHINFO_UNSET)) {
+        /* No module knew better, and the user coded AcceptPathInfo */
         r->used_path_info = conf->accept_path_info;
     }
 



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