On 06/20/2008 11:12 PM, [EMAIL PROTECTED] wrote:
Author: tdonovan
Date: Fri Jun 20 14:12:34 2008
New Revision: 670061

URL: http://svn.apache.org/viewvc?rev=670061&view=rev
Log:
After r649840, mod_proxy_http will no longer append a query string from r->args if 
"no-canon".

Moved the NOESCAPE test down after PATH_INFO, and preserve the query string in r->filename if NOESCAPE (which implies "no-canon")

Previously this was only done for CONNECT requests, where (r->uri == 
r->unparsed_uri)
see mod_proxy:proxy_detect


Modified:
    httpd/httpd/trunk/CHANGES
    httpd/httpd/trunk/modules/mappers/mod_rewrite.c

Modified: httpd/httpd/trunk/CHANGES
URL: 
http://svn.apache.org/viewvc/httpd/httpd/trunk/CHANGES?rev=670061&r1=670060&r2=670061&view=diff
==============================================================================
--- httpd/httpd/trunk/CHANGES [utf-8] (original)
+++ httpd/httpd/trunk/CHANGES [utf-8] Fri Jun 20 14:12:34 2008
@@ -2,6 +2,9 @@
 Changes with Apache 2.3.0
 [ When backported to 2.2.x, remove entry from this file ]
+ *) mod_rewrite: Preserve the query string with [proxy,noescape]. PR 45247
+     [Tom Donovan]
+
   *) mod_proxy_http: Do not forward requests with 'Expect: 100-continue' to
      known HTTP/1.0 servers. Return 'Expectation failed' (417) instead.
      [Ruediger Pluem]

Modified: httpd/httpd/trunk/modules/mappers/mod_rewrite.c
URL: 
http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/mappers/mod_rewrite.c?rev=670061&r1=670060&r2=670061&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/mappers/mod_rewrite.c (original)
+++ httpd/httpd/trunk/modules/mappers/mod_rewrite.c Fri Jun 20 14:12:34 2008
@@ -4453,10 +4453,6 @@
                 return HTTP_FORBIDDEN;
             }
- if (rulestatus == ACTION_NOESCAPE) {
-                apr_table_setn(r->notes, "proxy-nocanon", "1");
-            }
-
             /* make sure the QUERY_STRING and
              * PATH_INFO parts get incorporated
              */
@@ -4464,11 +4460,16 @@
                 r->filename = apr_pstrcat(r->pool, r->filename,
                                           r->path_info, NULL);
             }
-            if (r->args != NULL &&
-                r->uri == r->unparsed_uri) {
-                /* see proxy_http:proxy_http_canon() */
-                r->filename = apr_pstrcat(r->pool, r->filename,
-                                          "?", r->args, NULL);
+            if (rulestatus == ACTION_NOESCAPE) {
+                /* make sure that mod_proxy_http doesn't canonicalize the URI,
+                 * and preserve any (possibly qsappend'd) query string in the
+                 * filename for mod_proxy_http:proxy_http_canon()
+                 */
+                apr_table_setn(r->notes, "proxy-nocanon", "1");
+                if (r->args != NULL) {
+                    r->filename = apr_pstrcat(r->pool, r->filename,
+                                              "?", r->args, NULL);
+                }
             }

I think this will break in the case that we have a forward proxy. So my 
proposal would be:

Leave as is (or better was)

> -            if (rulestatus == ACTION_NOESCAPE) {
> -                apr_table_setn(r->notes, "proxy-nocanon", "1");
> -            }
> -

Change

> -            if (r->args != NULL &&
> -                r->uri == r->unparsed_uri) {
> -                /* see proxy_http:proxy_http_canon() */
> -                r->filename = apr_pstrcat(r->pool, r->filename,
> -                                          "?", r->args, NULL);


to

> -            if (r->args != NULL &&
> -                ((r->uri == r->unparsed_uri) || (rulestatus == 
ACTION_NOESCAPE))) {
> -                /* see proxy_http:proxy_http_canon() */
> -                r->filename = apr_pstrcat(r->pool, r->filename,
> -                                          "?", r->args, NULL);


or even better to

> -            if (r->args != NULL &&
> -                ((r->proxyreq == PROXYREQ_PROXY) || (rulestatus == 
ACTION_NOESCAPE))) {
> -                /* see proxy_http:proxy_http_canon() */
> -                r->filename = apr_pstrcat(r->pool, r->filename,
> -                                          "?", r->args, NULL);


Regards

RĂ¼diger

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