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Posted to cvs@httpd.apache.org by rj...@apache.org on 2013/02/18 22:31:43 UTC

svn commit: r1447508 - in /httpd/httpd/branches/2.2.x: ./ CHANGES STATUS docs/ docs/manual/mod/ docs/manual/mod/mod_rewrite.xml modules/mappers/mod_rewrite.c

Author: rjung
Date: Mon Feb 18 21:31:42 2013
New Revision: 1447508

URL: http://svn.apache.org/r1447508
Log:
mod_rewrite: Add an opt-in RewriteOption to control
merging of RewriteBase. Merging was off until 2.2.22
and turned on unconditionally in 2.2.23.
PR 53963.

Submitted by: covener
Backport by: rjung
Reviewed by: wrowe, covener

Merge of r1410681 and r1447426 from trunk resp.
r1418954 and r1447448 from 2.4.x.

Modified:
    httpd/httpd/branches/2.2.x/   (props changed)
    httpd/httpd/branches/2.2.x/CHANGES
    httpd/httpd/branches/2.2.x/STATUS
    httpd/httpd/branches/2.2.x/docs/   (props changed)
    httpd/httpd/branches/2.2.x/docs/manual/mod/   (props changed)
    httpd/httpd/branches/2.2.x/docs/manual/mod/mod_rewrite.xml
    httpd/httpd/branches/2.2.x/modules/mappers/mod_rewrite.c

Propchange: httpd/httpd/branches/2.2.x/
------------------------------------------------------------------------------
  Merged /httpd/httpd/trunk:r1410681,1447426

Modified: httpd/httpd/branches/2.2.x/CHANGES
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.2.x/CHANGES?rev=1447508&r1=1447507&r2=1447508&view=diff
==============================================================================
--- httpd/httpd/branches/2.2.x/CHANGES [utf-8] (original)
+++ httpd/httpd/branches/2.2.x/CHANGES [utf-8] Mon Feb 18 21:31:42 2013
@@ -10,6 +10,11 @@ Changes with Apache 2.2.24
      XSS in mod_proxy_balancer manager interface. [Jim Jagielski,
      Niels Heinen <heinenn google com>]
 
+  *) mod_rewrite: Stop mergeing RewriteBase down to subdirectories
+     unless new option 'RewriteOptions MergeBase' is configured.
+     Merging RewriteBase was unconditionally turned on in 2.2.23.
+     PR 53963. [Eric Covener]
+
   *) mod_ssl: Send the error message for speaking http to an https port using
      HTTP/1.0 instead of HTTP/0.9, and omit the link that may be wrong when
      using SNI. PR 50823. [Stefan Fritsch]

Modified: httpd/httpd/branches/2.2.x/STATUS
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.2.x/STATUS?rev=1447508&r1=1447507&r2=1447508&view=diff
==============================================================================
--- httpd/httpd/branches/2.2.x/STATUS (original)
+++ httpd/httpd/branches/2.2.x/STATUS Mon Feb 18 21:31:42 2013
@@ -94,18 +94,6 @@ RELEASE SHOWSTOPPERS:
 PATCHES ACCEPTED TO BACKPORT FROM TRUNK:
   [ start all new proposals below, under PATCHES PROPOSED. ]
 
-   * mod_rewrite: Add an opt-in RewriteOption to control merging of RewriteBase.
-     Merging would be off by default, which is the same as the pre 2.2.23
-     behaviour.
-     PR 53963
-     trunk patch: http://svn.apache.org/viewvc?view=revision&revision=1410681
-                  http://svn.apache.org/viewvc?view=revision&revision=1447426
-     2.4.x patch: http://svn.apache.org/viewvc?view=revision&revision=1418954
-                  http://svn.apache.org/viewvc?view=revision&revision=1447448
-     2.2.x patch: http://people.apache.org/~rjung/patches/rewriteoption-mergebase-2_2.patch
-     +1: rjung, wrowe (same observation as covener) 
-     +1: covener (docs need tweak to note 2.2.23 instead of 2.4.0-2.4.3)
-
 PATCHES PROPOSED TO BACKPORT FROM TRUNK:
   [ New proposals should be added at the end of the list ]
 

Propchange: httpd/httpd/branches/2.2.x/docs/
------------------------------------------------------------------------------
  Merged /httpd/httpd/trunk/docs:r1410681

Propchange: httpd/httpd/branches/2.2.x/docs/manual/mod/
------------------------------------------------------------------------------
  Merged /httpd/httpd/trunk/docs/manual/mod:r1410681

Modified: httpd/httpd/branches/2.2.x/docs/manual/mod/mod_rewrite.xml
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.2.x/docs/manual/mod/mod_rewrite.xml?rev=1447508&r1=1447507&r2=1447508&view=diff
==============================================================================
--- httpd/httpd/branches/2.2.x/docs/manual/mod/mod_rewrite.xml (original)
+++ httpd/httpd/branches/2.2.x/docs/manual/mod/mod_rewrite.xml Mon Feb 18 21:31:42 2013
@@ -219,6 +219,17 @@ later</compatibility>
       </note>
       </dd>
 
+      <dt><code>MergeBase</code></dt>
+      <dd>
+
+      <p>With this option, the value of <directive module="mod_rewrite"
+      >RewriteBase</directive> is copied from where it's explicitly defined
+      into any sub-directory or sub-location that doesn't define its own
+      <directive module="mod_rewrite">RewriteBase</directive>. Not copying
+      was the default until 2.2.22. In version 2.2.23 copying was the default.
+      The flag to explicitly control it is available for Apache HTTP
+      Server 2.2.24 and later.</p>
+      </dd>
       </dl>
 
 </usage>

Modified: httpd/httpd/branches/2.2.x/modules/mappers/mod_rewrite.c
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.2.x/modules/mappers/mod_rewrite.c?rev=1447508&r1=1447507&r2=1447508&view=diff
==============================================================================
--- httpd/httpd/branches/2.2.x/modules/mappers/mod_rewrite.c (original)
+++ httpd/httpd/branches/2.2.x/modules/mappers/mod_rewrite.c Mon Feb 18 21:31:42 2013
@@ -169,6 +169,7 @@
 #define OPTION_NONE                 1<<0
 #define OPTION_INHERIT              1<<1
 #define OPTION_ANYURI               1<<4
+#define OPTION_MERGEBASE            1<<5
 
 #ifndef RAND_MAX
 #define RAND_MAX 32767
@@ -2785,8 +2786,14 @@ static void *config_perdir_merge(apr_poo
     a->state_set = overrides->state_set || base->state_set;
     a->options = (overrides->options_set == 0) ? base->options : overrides->options;
     a->options_set = overrides->options_set || base->options_set;
-    a->baseurl = (overrides->baseurl_set == 0) ? base->baseurl : overrides->baseurl;
-    a->baseurl_set = overrides->baseurl_set || base->baseurl_set;
+
+    if (a->options & OPTION_MERGEBASE) { 
+        a->baseurl = (overrides->baseurl_set == 0) ? base->baseurl : overrides->baseurl;
+        a->baseurl_set = overrides->baseurl_set || base->baseurl_set;
+    }
+    else { 
+        a->baseurl = overrides->baseurl;
+    }
 
     a->directory  = overrides->directory;
 
@@ -2850,6 +2857,9 @@ static const char *cmd_rewriteoptions(cm
         else if (!strcasecmp(w, "allowanyuri")) {
             options |= OPTION_ANYURI;
         }
+        else if (!strcasecmp(w, "mergebase")) {
+            options |= OPTION_MERGEBASE;
+        }
         else {
             return apr_pstrcat(cmd->pool, "RewriteOptions: unknown option '",
                                w, "'", NULL);