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From bre...@apache.org
Subject svn commit: r1528718 - in /httpd/httpd/trunk/modules/dav/main: mod_dav.c mod_dav.h util.c
Date Thu, 03 Oct 2013 05:29:35 GMT
Author: breser
Date: Thu Oct  3 05:29:35 2013
New Revision: 1528718

URL: http://svn.apache.org/r1528718
Log:
mod_dav: Fix PR 55306.

Makes mod_dav no longer require that the lock token be provided when the
source of a COPY is locked.  The prior behavior was in violating of
RFC 4918 which says that the lock token is only required on resources
that may be modified by the method.

* modules/dav/main/mod_dav.h
  (DAV_VALIDATE_NO_MODIFY): New flag to be passed to dav_validate_* functions.

* modules/dav/main/mod_dav.c
  (dav_method_copymove): Use the new flag when calling dav_validate_request()
    on the COPY source.

* modules/dav/main/util.c
  (dav_validate_resource_state): Use the flag to decide to ignore if the lock
    token is not provided.

Modified:
    httpd/httpd/trunk/modules/dav/main/mod_dav.c
    httpd/httpd/trunk/modules/dav/main/mod_dav.h
    httpd/httpd/trunk/modules/dav/main/util.c

Modified: httpd/httpd/trunk/modules/dav/main/mod_dav.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/dav/main/mod_dav.c?rev=1528718&r1=1528717&r2=1528718&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/dav/main/mod_dav.c (original)
+++ httpd/httpd/trunk/modules/dav/main/mod_dav.c Thu Oct  3 05:29:35 2013
@@ -2774,7 +2774,8 @@ static int dav_method_copymove(request_r
     if ((err = dav_validate_request(r, resource, depth, NULL,
                                     &multi_response,
                                     (is_move ? DAV_VALIDATE_PARENT
-                                             : DAV_VALIDATE_RESOURCE)
+                                             : DAV_VALIDATE_RESOURCE
+                                               | DAV_VALIDATE_NO_MODIFY)
                                     | DAV_VALIDATE_USE_424,
                                     NULL)) != NULL) {
         err = dav_push_error(r->pool, err->status, 0,

Modified: httpd/httpd/trunk/modules/dav/main/mod_dav.h
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/dav/main/mod_dav.h?rev=1528718&r1=1528717&r2=1528718&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/dav/main/mod_dav.h (original)
+++ httpd/httpd/trunk/modules/dav/main/mod_dav.h Thu Oct  3 05:29:35 2013
@@ -1297,6 +1297,9 @@ DAV_DECLARE(dav_error *) dav_validate_re
                                            the 424 DAV:response */
 #define DAV_VALIDATE_USE_424    0x0080  /* return 424 status, not 207 */
 #define DAV_VALIDATE_IS_PARENT  0x0100  /* for internal use */
+#define DAV_VALIDATE_NO_MODIFY  0x0200  /* resource is not being modified
+                                           so allow even if lock token
+                                           is not provided */
 
 /* Lock-null related public lock functions */
 DAV_DECLARE(int) dav_get_resource_state(request_rec *r,

Modified: httpd/httpd/trunk/modules/dav/main/util.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/dav/main/util.c?rev=1528718&r1=1528717&r2=1528718&view=diff
==============================================================================
--- httpd/httpd/trunk/modules/dav/main/util.c (original)
+++ httpd/httpd/trunk/modules/dav/main/util.c Thu Oct  3 05:29:35 2013
@@ -954,13 +954,16 @@ static dav_error * dav_validate_resource
         /*
         ** For methods other than LOCK:
         **
-        ** If we have no locks, then <seen_locktoken> can be set to true --
+        ** If we have no locks or if the resource is not being modified
+        ** (per RFC 4918 the lock token is not required on resources
+        ** we are not changing), then <seen_locktoken> can be set to true --
         ** pretending that we've already met the requirement of seeing one
         ** of the resource's locks in the If: header.
         **
         ** Otherwise, it must be cleared and we'll look for one.
         */
-        seen_locktoken = (lock_list == NULL);
+        seen_locktoken = (lock_list == NULL
+                          || flags & DAV_VALIDATE_NO_MODIFY);
     }
 
     /*



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