# ./pullrev.sh 1667248

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2015-0251

http://svn.apache.org/viewvc?view=revision&revision=1667248

--- subversion-1.7.14/subversion/mod_dav_svn/deadprops.c
+++ subversion-1.7.14/subversion/mod_dav_svn/deadprops.c
@@ -160,6 +160,23 @@
 }
 
 
+static svn_error_t *
+change_txn_prop(svn_fs_txn_t *txn,
+                const char *propname,
+                const svn_string_t *value,
+                apr_pool_t *scratch_pool)
+{
+  if (strcmp(propname, SVN_PROP_REVISION_AUTHOR) == 0)
+    return svn_error_create(SVN_ERR_RA_DAV_REQUEST_FAILED, NULL,
+                            "Attempted to modify 'svn:author' property "
+                            "on a transaction");
+
+  SVN_ERR(svn_repos_fs_change_txn_prop(txn, propname, value, scratch_pool));
+
+  return SVN_NO_ERROR;
+}
+
+
 static dav_error *
 save_value(dav_db *db, const dav_prop_name *name,
            const svn_string_t *const *old_value_p,
@@ -210,9 +227,8 @@
     {
       if (db->resource->working)
         {
-          serr = svn_repos_fs_change_txn_prop(resource->info->root.txn,
-                                              propname, value,
-                                              subpool);
+          serr = change_txn_prop(resource->info->root.txn, propname,
+                                 value, subpool);
         }
       else
         {
@@ -251,8 +267,8 @@
     }
   else if (resource->info->restype == DAV_SVN_RESTYPE_TXN_COLLECTION)
     {
-      serr = svn_repos_fs_change_txn_prop(resource->info->root.txn,
-                                          propname, value, subpool);
+      serr = change_txn_prop(resource->info->root.txn, propname,
+                             value, subpool);
     }
   else
     {
@@ -561,8 +577,8 @@
   /* Working Baseline or Working (Version) Resource */
   if (db->resource->baselined)
     if (db->resource->working)
-      serr = svn_repos_fs_change_txn_prop(db->resource->info->root.txn,
-                                          propname, NULL, subpool);
+      serr = change_txn_prop(db->resource->info->root.txn, propname,
+                             NULL, subpool);
     else
       /* ### VIOLATING deltaV: you can't proppatch a baseline, it's
          not a working resource!  But this is how we currently