Fix corrupted CSN issue

[openldap] / servers / slapd / overlays / rwmmap.c

diff --git a/servers/slapd/overlays/rwmmap.c b/servers/slapd/overlays/rwmmap.c
index ad03d87effddc4ccf1c98be167fff91dedb434f3..95eec2f92229c7e92ca114740b7b5fca98773546 100644 (file)
--- a/servers/slapd/overlays/rwmmap.c
+++ b/servers/slapd/overlays/rwmmap.c
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1999-2008 The OpenLDAP Foundation.
+ * Copyright 1999-2009 The OpenLDAP Foundation.
  * Portions Copyright 1999-2003 Howard Chu.
  * Portions Copyright 2000-2003 Pierangelo Masarati.
  * All rights reserved.
@@ -121,6 +121,15 @@ rwm_mapping( struct ldapmap *map, struct berval *s, struct ldapmapping **m, int
 
        assert( m != NULL );
 
+       /* let special attrnames slip through (ITS#5760) */
+       if ( bvmatch( s, slap_bv_no_attrs )
+               || bvmatch( s, slap_bv_all_user_attrs )
+               || bvmatch( s, slap_bv_all_operational_attrs ) )
+       {
+               *m = NULL;
+               return 0;
+       }
+
        if ( remap == RWM_REMAP ) {
                tree = map->remap;
 
@@ -312,7 +321,7 @@ rwm_map_attrnames(
 
        if ( j == 0 && i != 0 ) {
                memset( &(*anp)[0], 0, sizeof( AttributeName ) );
-               BER_BVSTR( &(*anp)[0].an_name, LDAP_NO_ATTRS );
+               (*anp)[0].an_name = *slap_bv_no_attrs;
                j = 1;
        }
        memset( &(*anp)[j], 0, sizeof( AttributeName ) );
@@ -1178,7 +1187,8 @@ rwm_referral_result_rewrite(
 int
 rwm_dnattr_result_rewrite(
        dncookie                *dc,
-       BerVarray               a_vals )
+       BerVarray               a_vals,
+       BerVarray               a_nvals )
 {
        int             i, last;
 
@@ -1186,11 +1196,11 @@ rwm_dnattr_result_rewrite(
        last--;
 
        for ( i = 0; !BER_BVISNULL( &a_vals[i] ); i++ ) {
-               struct berval   dn;
+               struct berval   pdn, ndn = BER_BVNULL;
                int             rc;
                
-               dn = a_vals[i];
-               rc = rwm_dn_massage_pretty( dc, &a_vals[i], &dn );
+               pdn = a_vals[i];
+               rc = rwm_dn_massage_pretty_normalize( dc, &a_vals[i], &pdn, &ndn );
                switch ( rc ) {
                case LDAP_UNWILLING_TO_PERFORM:
                        /*
@@ -1198,19 +1208,27 @@ rwm_dnattr_result_rewrite(
                         * legal to trim values when adding/modifying;
                         * it should be when searching (e.g. ACLs).
                         */
+                       assert( a_vals[i].bv_val != a_nvals[i].bv_val );
                        ch_free( a_vals[i].bv_val );
+                       ch_free( a_nvals[i].bv_val );
                        if ( last > i ) {
                                a_vals[i] = a_vals[last];
+                               a_nvals[i] = a_nvals[last];
                        }
                        BER_BVZERO( &a_vals[last] );
+                       BER_BVZERO( &a_nvals[last] );
                        last--;
                        break;
 
                default:
                        /* leave attr untouched if massage failed */
-                       if ( !BER_BVISNULL( &dn ) && a_vals[i].bv_val != dn.bv_val ) {
+                       if ( !BER_BVISNULL( &pdn ) && a_vals[i].bv_val != pdn.bv_val ) {
                                ch_free( a_vals[i].bv_val );
-                               a_vals[i] = dn;
+                               a_vals[i] = pdn;
+                       }
+                       if ( !BER_BVISNULL( &ndn ) && a_nvals[i].bv_val != ndn.bv_val ) {
+                               ch_free( a_nvals[i].bv_val );
+                               a_nvals[i] = ndn;
                        }
                        break;
                }