]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/back-bdb/modrdn.c
ITS#4532 fix
[openldap] / servers / slapd / back-bdb / modrdn.c
index 27854b3a30191aaeb94e2d31d31f006ddc8120d7..73a35df708ca475994466b632a13275c74982dcd 100644 (file)
@@ -1,8 +1,17 @@
 /* modrdn.c - bdb backend modrdn routine */
 /* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2000-2006 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
  */
 
 #include "portable.h"
 #include <ac/string.h>
 
 #include "back-bdb.h"
-#include "external.h"
 
 int
-bdb_modrdn(
-       Backend *be,
-       Connection      *conn,
-       Operation       *op,
-       struct berval   *dn,
-       struct berval   *ndn,
-       struct berval   *newrdn,
-       struct berval   *nnewrdn,
-       int             deleteoldrdn,
-       struct berval   *newSuperior,
-       struct berval   *nnewSuperior )
+bdb_modrdn( Operation  *op, SlapReply *rs )
 {
-       struct bdb_info *bdb = (struct bdb_info *) be->be_private;
+       struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
        AttributeDescription *children = slap_schema.si_ad_children;
        AttributeDescription *entry = slap_schema.si_ad_entry;
        struct berval   p_dn, p_ndn;
        struct berval   new_dn = {0, NULL}, new_ndn = {0, NULL};
-       int             isroot = -1;
        Entry           *e = NULL;
        Entry           *p = NULL;
-       Entry           *matched;
+       EntryInfo       *ei = NULL, *eip = NULL, *nei = NULL, *neip = NULL;
        /* LDAP v2 supporting correct attribute handling. */
-       LDAPRDN         *new_rdn = NULL;
-       LDAPRDN         *old_rdn = NULL;
-       int             rc;
-       const char *text;
+       LDAPRDN         new_rdn = NULL;
+       LDAPRDN         old_rdn = NULL;
        char textbuf[SLAP_TEXT_BUFLEN];
        size_t textlen = sizeof textbuf;
-       DB_TXN *        ltid = NULL;
-       struct bdb_op_info opinfo;
-
-       ID                      id;
+       DB_TXN          *ltid = NULL, *lt2;
+       struct bdb_op_info opinfo = {0};
+       Entry dummy = {0};
 
        Entry           *np = NULL;                     /* newSuperior Entry */
        struct berval   *np_dn = NULL;                  /* newSuperior dn */
@@ -58,87 +52,81 @@ bdb_modrdn(
        int             manageDSAit = get_manageDSAit( op );
 
        u_int32_t       locker = 0;
-       DB_LOCK         lock;
+       DB_LOCK         lock, plock, nplock;
 
-       int             noop = 0;
+       int             num_retries = 0;
 
-#if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
-        Operation* ps_list;
-        struct psid_entry* pm_list;
-        struct psid_entry* pm_prev;
-#endif
+       LDAPControl **preread_ctrl = NULL;
+       LDAPControl **postread_ctrl = NULL;
+       LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
+       int num_ctrls = 0;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG ( OPERATION, ENTRY, "==>bdb_modrdn(%s,%s,%s)\n", 
-               dn->bv_val,newrdn->bv_val, newSuperior ? newSuperior->bv_val : "NULL" );
-#else
-       Debug( LDAP_DEBUG_TRACE, "==>bdb_modrdn(%s,%s,%s)\n",
-               dn->bv_val, newrdn->bv_val,
-               newSuperior ? newSuperior->bv_val : "NULL" );
-#endif
+       int     rc;
+
+       int parent_is_glue = 0;
+       int parent_is_leaf = 0;
+
+       ctrls[num_ctrls] = NULL;
+
+       Debug( LDAP_DEBUG_TRACE, "==>" LDAP_XSTRING(bdb_modrdn) "(%s,%s,%s)\n",
+               op->o_req_dn.bv_val,op->oq_modrdn.rs_newrdn.bv_val,
+               op->oq_modrdn.rs_newSup ? op->oq_modrdn.rs_newSup->bv_val : "NULL" );
 
        if( 0 ) {
 retry: /* transaction retry */
+               if ( dummy.e_attrs ) {
+                       attrs_free( dummy.e_attrs );
+                       dummy.e_attrs = NULL;
+               }
                if (e != NULL) {
-                       bdb_cache_delete_entry(&bdb->bi_cache, e);
                        bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
+                       e = NULL;
                }
                if (p != NULL) {
                        bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
+                       p = NULL;
                }
                if (np != NULL) {
                        bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
+                       np = NULL;
                }
-#ifdef NEW_LOGGING
-               LDAP_LOG ( OPERATION, DETAIL1, "==>bdb_modrdn: retrying...\n", 0, 0, 0);
-#else
-               Debug( LDAP_DEBUG_TRACE, "==>bdb_modrdn: retrying...\n", 0, 0, 0 );
-#endif
-
-#if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
-                pm_list = LDAP_LIST_FIRST(&op->premodify_list);
-                while ( pm_list != NULL ) {
-                        LDAP_LIST_REMOVE ( pm_list, link );
-                        pm_prev = pm_list;
-                        pm_list = LDAP_LIST_NEXT ( pm_list, link );
-                        free (pm_prev);
-                }
-#endif
+               Debug( LDAP_DEBUG_TRACE, "==>" LDAP_XSTRING(bdb_modrdn)
+                               ": retrying...\n", 0, 0, 0 );
 
-               rc = TXN_ABORT( ltid );
+               rs->sr_err = TXN_ABORT( ltid );
                ltid = NULL;
                op->o_private = NULL;
                op->o_do_not_cache = opinfo.boi_acl_cache;
-               if( rc != 0 ) {
-                       rc = LDAP_OTHER;
-                       text = "internal error";
+               if( rs->sr_err != 0 ) {
+                       rs->sr_err = LDAP_OTHER;
+                       rs->sr_text = "internal error";
                        goto return_results;
                }
-               ldap_pvt_thread_yield();
+               if ( op->o_abandon ) {
+                       rs->sr_err = SLAPD_ABANDON;
+                       goto return_results;
+               }
+               parent_is_glue = 0;
+               parent_is_leaf = 0;
+               bdb_trans_backoff( ++num_retries );
        }
 
        /* begin transaction */
-       rc = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid, 
+       rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid, 
                bdb->bi_db_opflags );
-       text = NULL;
-       if( rc != 0 ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG ( OPERATION, ERR, 
-                       "==>bdb_modrdn: txn_begin failed: %s (%d)\n", 
-                       db_strerror(rc), rc, 0 );
-#else
+       rs->sr_text = NULL;
+       if( rs->sr_err != 0 ) {
                Debug( LDAP_DEBUG_TRACE,
-                       "bdb_delete: txn_begin failed: %s (%d)\n",
-                       db_strerror(rc), rc, 0 );
-#endif
-               rc = LDAP_OTHER;
-               text = "internal error";
+                       LDAP_XSTRING(bdb_modrdn) ": txn_begin failed: "
+                       "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
+               rs->sr_err = LDAP_OTHER;
+               rs->sr_text = "internal error";
                goto return_results;
        }
 
        locker = TXN_ID ( ltid );
 
-       opinfo.boi_bdb = be;
+       opinfo.boi_bdb = op->o_bd;
        opinfo.boi_txn = ltid;
        opinfo.boi_locker = locker;
        opinfo.boi_err = 0;
@@ -146,9 +134,10 @@ retry:     /* transaction retry */
        op->o_private = &opinfo;
 
        /* get entry */
-       rc = bdb_dn2entry_w( be, ltid, ndn, &e, &matched, DB_RMW, locker, &lock );
+       rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
+               locker, &lock );
 
-       switch( rc ) {
+       switch( rs->sr_err ) {
        case 0:
        case DB_NOTFOUND:
                break;
@@ -156,85 +145,121 @@ retry:   /* transaction retry */
        case DB_LOCK_NOTGRANTED:
                goto retry;
        case LDAP_BUSY:
-               text = "ldap server busy";
+               rs->sr_text = "ldap server busy";
                goto return_results;
        default:
-               rc = LDAP_OTHER;
-               text = "internal error";
+               rs->sr_err = LDAP_OTHER;
+               rs->sr_text = "internal error";
                goto return_results;
        }
 
-       if ( e == NULL ) {
-               char* matched_dn = NULL;
-               BerVarray refs;
-
-               if( matched != NULL ) {
-                       matched_dn = ch_strdup( matched->e_dn );
-                       refs = is_entry_referral( matched )
-                               ? get_entry_referrals( be, conn, op, matched )
+       e = ei->bei_e;
+       /* FIXME: dn2entry() should return non-glue entry */
+       if (( rs->sr_err == DB_NOTFOUND ) ||
+               ( !manageDSAit && e && is_entry_glue( e )))
+       {
+               if( e != NULL ) {
+                       rs->sr_matched = ch_strdup( e->e_dn );
+                       rs->sr_ref = is_entry_referral( e )
+                               ? get_entry_referrals( op, e )
                                : NULL;
-                       bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, matched);
-                       matched = NULL;
+                       bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, e);
+                       e = NULL;
 
                } else {
-                       refs = referral_rewrite( default_referral,
-                               NULL, dn, LDAP_SCOPE_DEFAULT );
+                       rs->sr_ref = referral_rewrite( default_referral, NULL,
+                                       &op->o_req_dn, LDAP_SCOPE_DEFAULT );
                }
 
-               send_ldap_result( conn, op, rc = LDAP_REFERRAL,
-                       matched_dn, NULL, refs, NULL );
+               rs->sr_err = LDAP_REFERRAL;
+               send_ldap_result( op, rs );
 
-               ber_bvarray_free( refs );
-               free( matched_dn );
+               ber_bvarray_free( rs->sr_ref );
+               free( (char *)rs->sr_matched );
+               rs->sr_ref = NULL;
+               rs->sr_matched = NULL;
 
                goto done;
        }
 
-       /* check write on old entry */
-       rc = access_allowed( be, conn, op, e, entry, NULL, ACL_WRITE, NULL );
+       if ( get_assert( op ) &&
+               ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
+       {
+               rs->sr_err = LDAP_ASSERTION_FAILED;
+               goto return_results;
+       }
 
-       if ( ! rc ) {
+       /* check write on old entry */
+       rs->sr_err = access_allowed( op, e, entry, NULL, ACL_WRITE, NULL );
+       if ( ! rs->sr_err ) {
                switch( opinfo.boi_err ) {
                case DB_LOCK_DEADLOCK:
                case DB_LOCK_NOTGRANTED:
                        goto retry;
                }
 
-#ifdef NEW_LOGGING
-               LDAP_LOG ( OPERATION, ERR, 
-                       "==>bdb_modrdn: no access to entry\n", 0, 0, 0 );
-#else
                Debug( LDAP_DEBUG_TRACE, "no access to entry\n", 0,
                        0, 0 );
-#endif
-               text = "no write access to old entry";
-               rc = LDAP_INSUFFICIENT_ACCESS;
+               rs->sr_text = "no write access to old entry";
+               rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
+               goto return_results;
+       }
+
+#ifndef BDB_HIER
+       rs->sr_err = bdb_cache_children( op, ltid, e );
+       if ( rs->sr_err != DB_NOTFOUND ) {
+               switch( rs->sr_err ) {
+               case DB_LOCK_DEADLOCK:
+               case DB_LOCK_NOTGRANTED:
+                       goto retry;
+               case 0:
+                       Debug(LDAP_DEBUG_ARGS,
+                               "<=- " LDAP_XSTRING(bdb_modrdn)
+                               ": non-leaf %s\n",
+                               op->o_req_dn.bv_val, 0, 0);
+                       rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
+                       rs->sr_text = "subtree rename not supported";
+                       break;
+               default:
+                       Debug(LDAP_DEBUG_ARGS,
+                               "<=- " LDAP_XSTRING(bdb_modrdn)
+                               ": has_children failed: %s (%d)\n",
+                               db_strerror(rs->sr_err), rs->sr_err, 0 );
+                       rs->sr_err = LDAP_OTHER;
+                       rs->sr_text = "internal error";
+               }
                goto return_results;
        }
+       ei->bei_state |= CACHE_ENTRY_NO_KIDS;
+#endif
 
        if (!manageDSAit && is_entry_referral( e ) ) {
                /* parent is a referral, don't allow add */
-               /* parent is an alias, don't allow add */
-               BerVarray refs = get_entry_referrals( be,
-                       conn, op, e );
+               rs->sr_ref = get_entry_referrals( op, e );
 
-#ifdef NEW_LOGGING
-               LDAP_LOG ( OPERATION, DETAIL1, 
-                       "==>bdb_modrdn: entry %s is referral \n", e->e_dn, 0, 0 );
-#else
-               Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry %s is referral\n",
-                       e->e_dn, 0, 0 );
-#endif
+               Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn)
+                       ": entry %s is referral\n", e->e_dn, 0, 0 );
 
-               send_ldap_result( conn, op, rc = LDAP_REFERRAL,
-                       e->e_dn, NULL, refs, NULL );
+               rs->sr_err = LDAP_REFERRAL,
+               rs->sr_matched = e->e_name.bv_val;
+               send_ldap_result( op, rs );
 
-               ber_bvarray_free( refs );
+               ber_bvarray_free( rs->sr_ref );
+               rs->sr_ref = NULL;
+               rs->sr_matched = NULL;
                goto done;
        }
 
-       if ( be_issuffix( be, &e->e_nname ) ) {
+       if ( be_issuffix( op->o_bd, &e->e_nname ) ) {
+#ifdef BDB_MULTIPLE_SUFFIXES
+               /* Allow renaming one suffix entry to another */
                p_ndn = slap_empty_bv;
+#else
+               /* There can only be one suffix entry */
+               rs->sr_err = LDAP_NAMING_VIOLATION;
+               rs->sr_text = "cannot rename suffix entry";
+               goto return_results;
+#endif
        } else {
                dnParent( &e->e_nname, &p_ndn );
        }
@@ -243,9 +268,11 @@ retry:     /* transaction retry */
                /* Make sure parent entry exist and we can write its 
                 * children.
                 */
-               rc = bdb_dn2entry_r( be, ltid, &p_ndn, &p, NULL, 0, locker, &lock );
+               eip = ei->bei_parent;
+               rs->sr_err = bdb_cache_find_id( op, ltid,
+                       eip->bei_id, &eip, 0, locker, &plock );
 
-               switch( rc ) {
+               switch( rs->sr_err ) {
                case 0:
                case DB_NOTFOUND:
                        break;
@@ -253,657 +280,529 @@ retry:  /* transaction retry */
                case DB_LOCK_NOTGRANTED:
                        goto retry;
                case LDAP_BUSY:
-                       text = "ldap server busy";
+                       rs->sr_text = "ldap server busy";
                        goto return_results;
                default:
-                       rc = LDAP_OTHER;
-                       text = "internal error";
+                       rs->sr_err = LDAP_OTHER;
+                       rs->sr_text = "internal error";
                        goto return_results;
                }
 
+               p = eip->bei_e;
                if( p == NULL) {
-#ifdef NEW_LOGGING
-                       LDAP_LOG ( OPERATION, ERR, 
-                               "==>bdb_modrdn: parent does not exist\n", 0, 0, 0 );
-#else
-                       Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: parent does not exist\n",
-                               0, 0, 0);
-#endif
-                       rc = LDAP_OTHER;
-                       text = "old entry's parent does not exist";
+                       Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn)
+                               ": parent does not exist\n", 0, 0, 0);
+                       rs->sr_err = LDAP_OTHER;
+                       rs->sr_text = "old entry's parent does not exist";
                        goto return_results;
                }
+       } else {
+               p = (Entry *)&slap_entry_root;
+       }
 
-               /* check parent for "children" acl */
-               rc = access_allowed( be, conn, op, p,
-                       children, NULL, ACL_WRITE, NULL );
-
-               if ( ! rc ) {
-                       switch( opinfo.boi_err ) {
-                       case DB_LOCK_DEADLOCK:
-                       case DB_LOCK_NOTGRANTED:
-                               goto retry;
-                       }
+       /* check parent for "children" acl */
+       rs->sr_err = access_allowed( op, p,
+               children, NULL,
+               op->oq_modrdn.rs_newSup == NULL ?
+                       ACL_WRITE : ACL_WDEL,
+               NULL );
 
-                       rc = LDAP_INSUFFICIENT_ACCESS;
-#ifdef NEW_LOGGING
-                       LDAP_LOG ( OPERATION, ERR, 
-                               "==>bdb_modrdn: no access to parent\n", 0, 0, 0 );
-#else
-                       Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
-                               0, 0 );
-#endif
-                       text = "no write access to old parent's children";
-                       goto return_results;
-               }
+       if ( !p_ndn.bv_len )
+               p = NULL;
 
-#ifdef NEW_LOGGING
-               LDAP_LOG ( OPERATION, DETAIL1, 
-                       "==>bdb_modrdn: wr to children %s is OK\n", p_ndn.bv_val, 0, 0 );
-#else
-               Debug( LDAP_DEBUG_TRACE,
-                       "bdb_modrdn: wr to children of entry %s OK\n",
-                       p_ndn.bv_val, 0, 0 );
-#endif
-               
-               if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
-                       p_dn = slap_empty_bv;
-               } else {
-                       dnParent( &e->e_name, &p_dn );
+       if ( ! rs->sr_err ) {
+               switch( opinfo.boi_err ) {
+               case DB_LOCK_DEADLOCK:
+               case DB_LOCK_NOTGRANTED:
+                       goto retry;
                }
 
-#ifdef NEW_LOGGING
-               LDAP_LOG ( OPERATION, DETAIL1, 
-                       "==>bdb_modrdn: parent dn=%s\n", p_dn.bv_val, 0, 0 );
-#else
-               Debug( LDAP_DEBUG_TRACE,
-                       "bdb_modrdn: parent dn=%s\n",
-                       p_dn.bv_val, 0, 0 );
-#endif
+               rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
+               Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
+                       0, 0 );
+               rs->sr_text = "no write access to old parent's children";
+               goto return_results;
+       }
 
+       Debug( LDAP_DEBUG_TRACE,
+               LDAP_XSTRING(bdb_modrdn) ": wr to children "
+               "of entry %s OK\n", p_ndn.bv_val, 0, 0 );
+       
+       if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
+               p_dn = slap_empty_bv;
        } else {
-               /* no parent, modrdn entry directly under root */
-               isroot = be_isroot( be, &op->o_ndn );
-               if ( ! isroot ) {
-                       if ( be_issuffix( be, (struct berval *)&slap_empty_bv )
-                               || be_isupdate( be, &op->o_ndn ) ) {
-
-                               p = (Entry *)&slap_entry_root;
-
-                               /* check parent for "children" acl */
-                               rc = access_allowed( be, conn, op, p,
-                                       children, NULL, ACL_WRITE, NULL );
-
-                               p = NULL;
-
-                               if ( ! rc ) {
-                                       switch( opinfo.boi_err ) {
-                                       case DB_LOCK_DEADLOCK:
-                                       case DB_LOCK_NOTGRANTED:
-                                               goto retry;
-                                       }
-
-                                       rc = LDAP_INSUFFICIENT_ACCESS;
-#ifdef NEW_LOGGING
-                                       LDAP_LOG ( OPERATION, ERR, 
-                                               "==>bdb_modrdn: no access to parent\n", 0, 0, 0 );
-#else
-                                       Debug( LDAP_DEBUG_TRACE, 
-                                               "no access to parent\n", 
-                                               0, 0, 0 );
-#endif
-                                       text = "no write access to old parent";
-                                       goto return_results;
-                               }
-
-#ifdef NEW_LOGGING
-                               LDAP_LOG ( OPERATION, DETAIL1, 
-                                       "==>bdb_modrdn: wr to children of entry \"%s\" OK\n", 
-                                       p_dn.bv_val, 0, 0 );
-#else
-                               Debug( LDAP_DEBUG_TRACE,
-                                       "bdb_modrdn: wr to children of entry \"\" OK\n",
-                                       0, 0, 0 );
-#endif
-               
-                               p_dn.bv_val = "";
-                               p_dn.bv_len = 0;
-
-#ifdef NEW_LOGGING
-                               LDAP_LOG ( OPERATION, DETAIL1, 
-                                       "==>bdb_modrdn: parent dn=\"\" \n", 0, 0, 0 );
-#else
-                               Debug( LDAP_DEBUG_TRACE,
-                                       "bdb_modrdn: parent dn=\"\"\n",
-                                       0, 0, 0 );
-#endif
-
-                       } else {
-#ifdef NEW_LOGGING
-                               LDAP_LOG ( OPERATION, ERR, 
-                                       "==>bdb_modrdn: no parent, not root &\"\" is not "
-                                       "suffix\n", 0, 0, 0 );
-#else
-                               Debug( LDAP_DEBUG_TRACE,
-                                       "bdb_modrdn: no parent, not root "
-                                       "& \"\" is not suffix\n",
-                                       0, 0, 0);
-#endif
-                               text = "no write access to old parent";
-                               rc = LDAP_INSUFFICIENT_ACCESS;
-                               goto return_results;
-                       }
-               }
+               dnParent( &e->e_name, &p_dn );
        }
 
+       Debug( LDAP_DEBUG_TRACE,
+               LDAP_XSTRING(bdb_modrdn) ": parent dn=%s\n",
+               p_dn.bv_val, 0, 0 );
+
        new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 
-       if ( newSuperior != NULL ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG ( OPERATION, DETAIL1, 
-                       "==>bdb_modrdn: new parent \"%s\" requested...\n", 
-                       newSuperior->bv_val, 0, 0 );
-#else
+       if ( op->oq_modrdn.rs_newSup != NULL ) {
                Debug( LDAP_DEBUG_TRACE, 
-                       "bdb_modrdn: new parent \"%s\" requested...\n",
-                       newSuperior->bv_val, 0, 0 );
-#endif
+                       LDAP_XSTRING(bdb_modrdn)
+                       ": new parent \"%s\" requested...\n",
+                       op->oq_modrdn.rs_newSup->bv_val, 0, 0 );
 
                /*  newSuperior == oldParent? */
-               if( dn_match( &p_ndn, nnewSuperior ) ) {
-#ifdef NEW_LOGGING
-                       LDAP_LOG( BACK_LDBM, INFO, "bdb_back_modrdn: "
-                               "new parent \"%s\" same as the old parent \"%s\"\n",
-                               newSuperior->bv_val, p_dn.bv_val, 0 );
-#else
+               if( dn_match( &p_ndn, op->oq_modrdn.rs_nnewSup ) ) {
                        Debug( LDAP_DEBUG_TRACE, "bdb_back_modrdn: "
                                "new parent \"%s\" same as the old parent \"%s\"\n",
-                               newSuperior->bv_val, p_dn.bv_val, 0 );
-#endif      
-                       newSuperior = NULL; /* ignore newSuperior */
+                               op->oq_modrdn.rs_newSup->bv_val, p_dn.bv_val, 0 );
+                       op->oq_modrdn.rs_newSup = NULL; /* ignore newSuperior */
                }
        }
 
-       if ( newSuperior != NULL ) {
-               if ( newSuperior->bv_len ) {
-                       np_dn = newSuperior;
-                       np_ndn = nnewSuperior;
+       /* There's a BDB_MULTIPLE_SUFFIXES case here that this code doesn't
+        * support. E.g., two suffixes dc=foo,dc=com and dc=bar,dc=net.
+        * We do not allow modDN
+        *   dc=foo,dc=com
+        *    newrdn dc=bar
+        *    newsup dc=net
+        * and we probably should. But since MULTIPLE_SUFFIXES is deprecated
+        * I'm ignoring this problem for now.
+        */
+       if ( op->oq_modrdn.rs_newSup != NULL ) {
+               if ( op->oq_modrdn.rs_newSup->bv_len ) {
+                       np_dn = op->oq_modrdn.rs_newSup;
+                       np_ndn = op->oq_modrdn.rs_nnewSup;
 
-                       /* newSuperior == oldParent?, if so ==> ERROR */
+                       /* newSuperior == oldParent? - checked above */
                        /* newSuperior == entry being moved?, if so ==> ERROR */
+                       if ( dnIsSuffix( np_ndn, &e->e_nname )) {
+                               rs->sr_err = LDAP_NO_SUCH_OBJECT;
+                               rs->sr_text = "new superior not found";
+                               goto return_results;
+                       }
                        /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 
-                       rc = bdb_dn2entry_r( be,
-                               ltid, nnewSuperior, &np, NULL, 0, locker, &lock );
+                       rs->sr_err = bdb_dn2entry( op, ltid, np_ndn,
+                               &neip, 0, locker, &nplock );
 
-                       switch( rc ) {
-                       case 0:
+                       switch( rs->sr_err ) {
+                       case 0: np = neip->bei_e;
                        case DB_NOTFOUND:
                                break;
                        case DB_LOCK_DEADLOCK:
                        case DB_LOCK_NOTGRANTED:
                                goto retry;
                        case LDAP_BUSY:
-                               text = "ldap server busy";
+                               rs->sr_text = "ldap server busy";
                                goto return_results;
                        default:
-                               rc = LDAP_OTHER;
-                               text = "internal error";
+                               rs->sr_err = LDAP_OTHER;
+                               rs->sr_text = "internal error";
                                goto return_results;
                        }
 
                        if( np == NULL) {
-#ifdef NEW_LOGGING
-                               LDAP_LOG ( OPERATION, DETAIL1, 
-                                       "==>bdb_modrdn: newSup(ndn=%s) not here!\n", 
-                                       np_ndn->bv_val, 0, 0 );
-#else
                                Debug( LDAP_DEBUG_TRACE,
-                                       "bdb_modrdn: newSup(ndn=%s) not here!\n",
+                                       LDAP_XSTRING(bdb_modrdn)
+                                       ": newSup(ndn=%s) not here!\n",
                                        np_ndn->bv_val, 0, 0);
-#endif
-                               text = "new superior not found";
-                               rc = LDAP_OTHER;
+                               rs->sr_text = "new superior not found";
+                               rs->sr_err = LDAP_NO_SUCH_OBJECT;
                                goto return_results;
                        }
 
-#ifdef NEW_LOGGING
-                       LDAP_LOG ( OPERATION, DETAIL1, 
-                               "==>bdb_modrdn: wr to new parent OK np=%p, id=%ld\n", 
-                               np, (long) np->e_id, 0 );
-#else
                        Debug( LDAP_DEBUG_TRACE,
-                               "bdb_modrdn: wr to new parent OK np=%p, id=%ld\n",
-                               np, (long) np->e_id, 0 );
-#endif
+                               LDAP_XSTRING(bdb_modrdn)
+                               ": wr to new parent OK np=%p, id=%ld\n",
+                               (void *) np, (long) np->e_id, 0 );
 
                        /* check newSuperior for "children" acl */
-                       rc = access_allowed( be, conn, op, np, children,
-                               NULL, ACL_WRITE, NULL );
+                       rs->sr_err = access_allowed( op, np, children,
+                               NULL, ACL_WADD, NULL );
 
-                       if( ! rc ) {
+                       if( ! rs->sr_err ) {
                                switch( opinfo.boi_err ) {
                                case DB_LOCK_DEADLOCK:
                                case DB_LOCK_NOTGRANTED:
                                        goto retry;
                                }
 
-#ifdef NEW_LOGGING
-                               LDAP_LOG ( OPERATION, DETAIL1, 
-                                       "==>bdb_modrdn: no wr to newSup children\n", 0, 0, 0 );
-#else
                                Debug( LDAP_DEBUG_TRACE,
-                                       "bdb_modrdn: no wr to newSup children\n",
+                                       LDAP_XSTRING(bdb_modrdn)
+                                       ": no wr to newSup children\n",
                                        0, 0, 0 );
-#endif
-                               text = "no write access to new superior's children";
-                               rc = LDAP_INSUFFICIENT_ACCESS;
+                               rs->sr_text = "no write access to new superior's children";
+                               rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
                                goto return_results;
                        }
 
-#ifdef BDB_ALIASES
                        if ( is_entry_alias( np ) ) {
                                /* parent is an alias, don't allow add */
-#ifdef NEW_LOGGING
-                               LDAP_LOG ( OPERATION, DETAIL1, 
-                                       "==>bdb_modrdn: entry is alias\n", 0, 0, 0 );
-#else
-                               Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry is alias\n",
+                               Debug( LDAP_DEBUG_TRACE,
+                                       LDAP_XSTRING(bdb_modrdn)
+                                       ": entry is alias\n",
                                        0, 0, 0 );
-#endif
-                               text = "new superior is an alias";
-                               rc = LDAP_ALIAS_PROBLEM;
+                               rs->sr_text = "new superior is an alias";
+                               rs->sr_err = LDAP_ALIAS_PROBLEM;
                                goto return_results;
                        }
-#endif
 
                        if ( is_entry_referral( np ) ) {
                                /* parent is a referral, don't allow add */
-#ifdef NEW_LOGGING
-                               LDAP_LOG ( OPERATION, DETAIL1, 
-                                       "==>bdb_modrdn: entry is referral\n", 0, 0, 0 );
-#else
-                               Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry is referral\n",
+                               Debug( LDAP_DEBUG_TRACE,
+                                       LDAP_XSTRING(bdb_modrdn)
+                                       ": entry is referral\n",
                                        0, 0, 0 );
-#endif
-                               text = "new superior is a referral";
-                               rc = LDAP_OTHER;
+                               rs->sr_text = "new superior is a referral";
+                               rs->sr_err = LDAP_OTHER;
                                goto return_results;
                        }
 
                } else {
-                       if ( isroot == -1 ) {
-                               isroot = be_isroot( be, &op->o_ndn );
-                       }
-                       
                        np_dn = NULL;
 
                        /* no parent, modrdn entry directly under root */
-                       if ( ! isroot ) {
-                               if ( be_issuffix( be, (struct berval *)&slap_empty_bv )
-                                       || be_isupdate( be, &op->o_ndn ) ) {
-                                       np = (Entry *)&slap_entry_root;
-
-                                       /* check parent for "children" acl */
-                                       rc = access_allowed( be, conn, op, np,
-                                               children, NULL, ACL_WRITE, NULL );
-
-                                       np = NULL;
-
-                                       if ( ! rc ) {
-                                               switch( opinfo.boi_err ) {
-                                               case DB_LOCK_DEADLOCK:
-                                               case DB_LOCK_NOTGRANTED:
-                                                       goto retry;
-                                               }
-
-                                               rc = LDAP_INSUFFICIENT_ACCESS;
-#ifdef NEW_LOGGING
-                                               LDAP_LOG ( OPERATION, ERR, 
-                                                       "==>bdb_modrdn: no access to superior\n", 0, 0, 0 );
-#else
-                                               Debug( LDAP_DEBUG_TRACE, 
-                                                       "no access to new superior\n", 
-                                                       0, 0, 0 );
-#endif
-                                               text = "no write access to new superior's children";
-                                               goto return_results;
+                       if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
+                               || be_isupdate( op ) ) {
+                               np = (Entry *)&slap_entry_root;
+
+                               /* check parent for "children" acl */
+                               rs->sr_err = access_allowed( op, np,
+                                       children, NULL, ACL_WADD, NULL );
+
+                               np = NULL;
+
+                               if ( ! rs->sr_err ) {
+                                       switch( opinfo.boi_err ) {
+                                       case DB_LOCK_DEADLOCK:
+                                       case DB_LOCK_NOTGRANTED:
+                                               goto retry;
                                        }
 
-#ifdef NEW_LOGGING
-                                       LDAP_LOG ( OPERATION, DETAIL1, 
-                                               "bdb_modrdn: wr to children entry \"\" OK\n", 0, 0, 0 );
-#else
-                                       Debug( LDAP_DEBUG_TRACE,
-                                               "bdb_modrdn: wr to children of entry \"\" OK\n",
+                                       rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
+                                       Debug( LDAP_DEBUG_TRACE, 
+                                               "no access to new superior\n", 
                                                0, 0, 0 );
-#endif
-               
-                               } else {
-#ifdef NEW_LOGGING
-                                       LDAP_LOG ( OPERATION, ERR, 
-                                               "bdb_modrdn: new superior=\"\", not root & \"\" "
-                                               "is not suffix\n", 0, 0, 0 );
-#else
-                                       Debug( LDAP_DEBUG_TRACE,
-                                               "bdb_modrdn: new superior=\"\", not root "
-                                               "& \"\" is not suffix\n",
-                                               0, 0, 0);
-#endif
-                                       text = "no write access to new superior's children";
-                                       rc = LDAP_INSUFFICIENT_ACCESS;
+                                       rs->sr_text =
+                                               "no write access to new superior's children";
                                        goto return_results;
                                }
                        }
-
-#ifdef NEW_LOGGING
-                       LDAP_LOG ( OPERATION, DETAIL1, 
-                               "bdb_modrdn: new superior=\"\"\n", 0, 0, 0 );
-#else
-                       Debug( LDAP_DEBUG_TRACE,
-                               "bdb_modrdn: new superior=\"\"\n",
-                               0, 0, 0 );
-#endif
                }
 
-#ifdef NEW_LOGGING
-               LDAP_LOG ( OPERATION, DETAIL1, 
-                       "bdb_modrdn: wr to new parent's children OK\n", 0, 0, 0 );
-#else
                Debug( LDAP_DEBUG_TRACE,
-                       "bdb_modrdn: wr to new parent's children OK\n",
+                       LDAP_XSTRING(bdb_modrdn)
+                       ": wr to new parent's children OK\n",
                        0, 0, 0 );
-#endif
 
                new_parent_dn = np_dn;
        }
 
        /* Build target dn and make sure target entry doesn't exist already. */
-       build_new_dn( &new_dn, new_parent_dn, newrdn ); 
+       if (!new_dn.bv_val) {
+               build_new_dn( &new_dn, new_parent_dn, &op->oq_modrdn.rs_newrdn, NULL ); 
+       }
 
-       dnNormalize2( NULL, &new_dn, &new_ndn );
+       if (!new_ndn.bv_val) {
+               struct berval bv = {0, NULL};
+               dnNormalize( 0, NULL, NULL, &new_dn, &bv, op->o_tmpmemctx );
+               ber_dupbv( &new_ndn, &bv );
+       }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG ( OPERATION, RESULTS, 
-               "bdb_modrdn: new ndn=%s\n", new_ndn.bv_val, 0, 0 );
-#else
-       Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: new ndn=%s\n",
+       Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn) ": new ndn=%s\n",
                new_ndn.bv_val, 0, 0 );
-#endif
 
-       rc = bdb_dn2id ( be, ltid, &new_ndn, &id, 0 );
-       switch( rc ) {
+       /* Shortcut the search */
+       nei = neip ? neip : eip;
+       rs->sr_err = bdb_cache_find_ndn ( op, ltid, &new_ndn, &nei );
+       if ( nei ) bdb_cache_entryinfo_unlock( nei );
+       switch( rs->sr_err ) {
        case DB_LOCK_DEADLOCK:
        case DB_LOCK_NOTGRANTED:
                goto retry;
        case DB_NOTFOUND:
                break;
        case 0:
-               rc = LDAP_ALREADY_EXISTS;
+               rs->sr_err = LDAP_ALREADY_EXISTS;
                goto return_results;
        default:
-               rc = LDAP_OTHER;
-               text = "internal error";
+               rs->sr_err = LDAP_OTHER;
+               rs->sr_text = "internal error";
                goto return_results;
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG ( OPERATION, ERR, 
-               "bdb_modrdn: new ndn=%s does not exist\n", new_ndn.bv_val, 0, 0 );
-#else
-       Debug( LDAP_DEBUG_TRACE,
-               "bdb_modrdn: new ndn=%s does not exist\n",
-               new_ndn.bv_val, 0, 0 );
-#endif
-
        /* Get attribute type and attribute value of our new rdn, we will
         * need to add that to our new entry
         */
-       if ( ldap_bv2rdn( newrdn, &new_rdn, (char **)&text,
-               LDAP_DN_FORMAT_LDAP ) )
+       if ( !new_rdn && ldap_bv2rdn_x( &op->oq_modrdn.rs_newrdn, &new_rdn,
+               (char **)&rs->sr_text, LDAP_DN_FORMAT_LDAP, op->o_tmpmemctx ) )
        {
-#ifdef NEW_LOGGING
-               LDAP_LOG ( OPERATION, ERR, 
-                       "bdb_modrdn: can't figure out "
-                       "type(s)/values(s) of newrdn\n", 
-                       0, 0, 0 );
-#else
                Debug( LDAP_DEBUG_TRACE,
-                       "bdb_modrdn: can't figure out "
+                       LDAP_XSTRING(bdb_modrdn) ": can't figure out "
                        "type(s)/values(s) of newrdn\n", 
                        0, 0, 0 );
-#endif
-               rc = LDAP_INVALID_DN_SYNTAX;
-               text = "unknown type(s) used in RDN";
+               rs->sr_err = LDAP_INVALID_DN_SYNTAX;
+               rs->sr_text = "unknown type(s) used in RDN";
                goto return_results;
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG ( OPERATION, RESULTS, 
-               "bdb_modrdn: new_rdn_type=\"%s\", "
-               "new_rdn_val=\"%s\"\n",
-               new_rdn[ 0 ][ 0 ]->la_attr.bv_val, 
-               new_rdn[ 0 ][ 0 ]->la_value.bv_val, 0 );
-#else
        Debug( LDAP_DEBUG_TRACE,
-               "bdb_modrdn: new_rdn_type=\"%s\", "
-               "new_rdn_val=\"%s\"\n",
-               new_rdn[ 0 ][ 0 ]->la_attr.bv_val,
-               new_rdn[ 0 ][ 0 ]->la_value.bv_val, 0 );
-#endif
-
-       if ( deleteoldrdn ) {
-               if ( ldap_bv2rdn( dn, &old_rdn, (char **)&text,
-                       LDAP_DN_FORMAT_LDAP ) )
+               LDAP_XSTRING(bdb_modrdn)
+               ": new_rdn_type=\"%s\", new_rdn_val=\"%s\"\n",
+               new_rdn[ 0 ]->la_attr.bv_val,
+               new_rdn[ 0 ]->la_value.bv_val, 0 );
+
+       if ( op->oq_modrdn.rs_deleteoldrdn ) {
+               if ( !old_rdn && ldap_bv2rdn_x( &op->o_req_dn, &old_rdn,
+                       (char **)&rs->sr_text, LDAP_DN_FORMAT_LDAP, op->o_tmpmemctx ) )
                {
-#ifdef NEW_LOGGING
-                       LDAP_LOG ( OPERATION, ERR, 
-                               "bdb_modrdn: can't figure out "
-                               "type(s)/values(s) of old_rdn\n", 
-                               0, 0, 0 );
-#else
                        Debug( LDAP_DEBUG_TRACE,
-                               "bdb_modrdn: can't figure out "
+                               LDAP_XSTRING(bdb_modrdn) ": can't figure out "
                                "the old_rdn type(s)/value(s)\n", 
                                0, 0, 0 );
-#endif
-                       rc = LDAP_OTHER;
-                       text = "cannot parse RDN from old DN";
+                       rs->sr_err = LDAP_OTHER;
+                       rs->sr_text = "cannot parse RDN from old DN";
                        goto return_results;            
                }
        }
 
        /* prepare modlist of modifications from old/new rdn */
-       rc = slap_modrdn2mods( be, conn, op, e, old_rdn, new_rdn, 
-                       deleteoldrdn, &mod );
-       if ( rc != LDAP_SUCCESS ) {
+       if (!mod) {
+               rs->sr_err = slap_modrdn2mods( op, rs, e, old_rdn, new_rdn, &mod );
+               if ( rs->sr_err != LDAP_SUCCESS ) {
+                       goto return_results;
+               }
+       }
+
+       if( op->o_preread ) {
+               if( preread_ctrl == NULL ) {
+                       preread_ctrl = &ctrls[num_ctrls++];
+                       ctrls[num_ctrls] = NULL;
+               }
+               if( slap_read_controls( op, rs, e,
+                       &slap_pre_read_bv, preread_ctrl ) )
+               {
+                       Debug( LDAP_DEBUG_TRACE,        
+                               "<=- " LDAP_XSTRING(bdb_modrdn)
+                               ": post-read failed!\n", 0, 0, 0 );
+                       goto return_results;
+               }                   
+       }
+
+       /* nested transaction */
+       rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2, bdb->bi_db_opflags );
+       rs->sr_text = NULL;
+       if( rs->sr_err != 0 ) {
+               Debug( LDAP_DEBUG_TRACE,
+                       LDAP_XSTRING(bdb_modrdn)
+                       ": txn_begin(2) failed: %s (%d)\n",
+                       db_strerror(rs->sr_err), rs->sr_err, 0 );
+               rs->sr_err = LDAP_OTHER;
+               rs->sr_text = "internal error";
                goto return_results;
        }
-       
-       /* delete old one */
-       rc = bdb_dn2id_delete( be, ltid, p_ndn.bv_val, e );
-       if ( rc != 0 ) {
-               switch( rc ) {
+
+       /* delete old DN */
+       rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
+       if ( rs->sr_err != 0 ) {
+               Debug(LDAP_DEBUG_TRACE,
+                       "<=- " LDAP_XSTRING(bdb_modrdn)
+                       ": dn2id del failed: %s (%d)\n",
+                       db_strerror(rs->sr_err), rs->sr_err, 0 );
+               switch( rs->sr_err ) {
                case DB_LOCK_DEADLOCK:
                case DB_LOCK_NOTGRANTED:
                        goto retry;
                }
-               rc = LDAP_OTHER;
-               text = "DN index delete fail";
+               rs->sr_err = LDAP_OTHER;
+               rs->sr_text = "DN index delete fail";
                goto return_results;
        }
 
-       (void) bdb_cache_delete_entry(&bdb->bi_cache, e);
+       /* copy the entry, then override some fields */
+       dummy = *e;
+       dummy.e_name = new_dn;
+       dummy.e_nname = new_ndn;
+       dummy.e_attrs = NULL;
 
-       /* Binary format uses a single contiguous block, cannot
-        * free individual fields. Leave new_dn/new_ndn set so
-        * they can be individually freed later.
-        */
-       e->e_name = new_dn;
-       e->e_nname = new_ndn;
-
-       new_dn.bv_val = NULL;
-       new_ndn.bv_val = NULL;
-
-       /* add new one */
-       rc = bdb_dn2id_add( be, ltid, np_ndn, e );
-       if ( rc != 0 ) {
-               switch( rc ) {
+       /* add new DN */
+       rs->sr_err = bdb_dn2id_add( op, lt2, neip ? neip : eip, &dummy );
+       if ( rs->sr_err != 0 ) {
+               Debug(LDAP_DEBUG_TRACE,
+                       "<=- " LDAP_XSTRING(bdb_modrdn)
+                       ": dn2id add failed: %s (%d)\n",
+                       db_strerror(rs->sr_err), rs->sr_err, 0 );
+               switch( rs->sr_err ) {
                case DB_LOCK_DEADLOCK:
                case DB_LOCK_NOTGRANTED:
                        goto retry;
                }
-               rc = LDAP_OTHER;
-               text = "DN index add failed";
+               rs->sr_err = LDAP_OTHER;
+               rs->sr_text = "DN index add failed";
                goto return_results;
        }
 
-#if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
-       if ( rc == LDAP_SUCCESS && !op->o_noop ) {
-               LDAP_LIST_FOREACH ( ps_list, &bdb->psearch_list, link ) {
-                       bdb_psearch(be, conn, op, ps_list, e, LDAP_PSEARCH_BY_PREMODIFY );
-               }
-       }
-#endif
+       dummy.e_attrs = e->e_attrs;
 
        /* modify entry */
-       rc = bdb_modify_internal( be, conn, op, ltid, &mod[0], e,
-               &text, textbuf, textlen );
-
-       if( rc != LDAP_SUCCESS ) {
-               if ( ( rc == LDAP_INSUFFICIENT_ACCESS ) && opinfo.boi_err ) {
-                       rc = opinfo.boi_err;
+       rs->sr_err = bdb_modify_internal( op, lt2, &mod[0], &dummy,
+               &rs->sr_text, textbuf, textlen );
+       if( rs->sr_err != LDAP_SUCCESS ) {
+               Debug(LDAP_DEBUG_TRACE,
+                       "<=- " LDAP_XSTRING(bdb_modrdn)
+                       ": modify failed: %s (%d)\n",
+                       db_strerror(rs->sr_err), rs->sr_err, 0 );
+               if ( ( rs->sr_err == LDAP_INSUFFICIENT_ACCESS ) && opinfo.boi_err ) {
+                       rs->sr_err = opinfo.boi_err;
                }
-               switch( rc ) {
+               if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
+               switch( rs->sr_err ) {
                case DB_LOCK_DEADLOCK:
                case DB_LOCK_NOTGRANTED:
                        goto retry;
                }
                goto return_results;
        }
-       
+
        /* id2entry index */
-       rc = bdb_id2entry_update( be, ltid, e );
-       if ( rc != 0 ) {
-               switch( rc ) {
+       rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
+       if ( rs->sr_err != 0 ) {
+               Debug(LDAP_DEBUG_TRACE,
+                       "<=- " LDAP_XSTRING(bdb_modrdn)
+                       ": id2entry failed: %s (%d)\n",
+                       db_strerror(rs->sr_err), rs->sr_err, 0 );
+               switch( rs->sr_err ) {
                case DB_LOCK_DEADLOCK:
                case DB_LOCK_NOTGRANTED:
                        goto retry;
                }
-               rc = LDAP_OTHER;
-               text = "entry update failed";
+               rs->sr_err = LDAP_OTHER;
+               rs->sr_text = "entry update failed";
+               goto return_results;
+       }
+
+       if ( p_ndn.bv_len != 0 ) {
+               parent_is_glue = is_entry_glue(p);
+               rs->sr_err = bdb_cache_children( op, lt2, p );
+               if ( rs->sr_err != DB_NOTFOUND ) {
+                       switch( rs->sr_err ) {
+                       case DB_LOCK_DEADLOCK:
+                       case DB_LOCK_NOTGRANTED:
+                               goto retry;
+                       case 0:
+                               break;
+                       default:
+                               Debug(LDAP_DEBUG_ARGS,
+                                       "<=- " LDAP_XSTRING(bdb_modrdn)
+                                       ": has_children failed: %s (%d)\n",
+                                       db_strerror(rs->sr_err), rs->sr_err, 0 );
+                               rs->sr_err = LDAP_OTHER;
+                               rs->sr_text = "internal error";
+                               goto return_results;
+                       }
+                       parent_is_leaf = 1;
+               }
+               bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
+               p = NULL;
+       }
+
+       if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
+               rs->sr_err = LDAP_OTHER;
+               rs->sr_text = "txn_commit(2) failed";
                goto return_results;
        }
 
+       if( op->o_postread ) {
+               if( postread_ctrl == NULL ) {
+                       postread_ctrl = &ctrls[num_ctrls++];
+                       ctrls[num_ctrls] = NULL;
+               }
+               if( slap_read_controls( op, rs, &dummy,
+                       &slap_post_read_bv, postread_ctrl ) )
+               {
+                       Debug( LDAP_DEBUG_TRACE,        
+                               "<=- " LDAP_XSTRING(bdb_modrdn)
+                               ": post-read failed!\n", 0, 0, 0 );
+                       goto return_results;
+               }                   
+       }
+
        if( op->o_noop ) {
-               if(( rc=TXN_ABORT( ltid )) != 0 ) {
-                       text = "txn_abort (no-op) failed";
+               if(( rs->sr_err=TXN_ABORT( ltid )) != 0 ) {
+                       rs->sr_text = "txn_abort (no-op) failed";
                } else {
-                       noop = 1;
-                       rc = LDAP_SUCCESS;
+                       rs->sr_err = LDAP_X_NO_OPERATION;
+                       ltid = NULL;
+                       goto return_results;
                }
 
        } else {
-               char gid[DB_XIDDATASIZE];
-
-               snprintf( gid, sizeof( gid ), "%s-%08lx-%08lx",
-                       bdb_uuid.bv_val, (long) op->o_connid, (long) op->o_opid );
+               rc = bdb_cache_modrdn( bdb, e, &op->orr_nnewrdn, &dummy, neip,
+                       locker, &lock );
+               switch( rc ) {
+               case DB_LOCK_DEADLOCK:
+               case DB_LOCK_NOTGRANTED:
+                       goto retry;
+               }
+               dummy.e_attrs = NULL;
+               new_dn.bv_val = NULL;
+               new_ndn.bv_val = NULL;
 
-               if(( rc=TXN_PREPARE( ltid, gid )) != 0 ) {
-                       text = "txn_prepare failed";
+               if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) {
+                       rs->sr_text = "txn_commit failed";
                } else {
-                       if( bdb_cache_update_entry(&bdb->bi_cache, e) == -1 ) {
-                               if(( rc=TXN_ABORT( ltid )) != 0 ) {
-                                       text ="cache update & txn_abort failed";
-                               } else {
-                                       rc = LDAP_OTHER;
-                                       text = "cache update failed";
-                               }
-
-                       } else {
-                               if(( rc=TXN_COMMIT( ltid, 0 )) != 0 ) {
-                                       text = "txn_commit failed";
-                               } else {
-                                       rc = LDAP_SUCCESS;
-                               }
-                       }
+                       rs->sr_err = LDAP_SUCCESS;
                }
        }
  
        ltid = NULL;
        op->o_private = NULL;
  
-       if( rc == LDAP_SUCCESS ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG ( OPERATION, RESULTS, 
-                       "bdb_modrdn: rdn modified%s id=%08lx dn=\"%s\"\n", 
-                       op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
-#else
-               Debug(LDAP_DEBUG_TRACE,
-                       "bdb_modrdn: rdn modified%s id=%08lx dn=\"%s\"\n",
-                       op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
-#endif
-               text = NULL;
-               if ( !noop ) {
-                       bdb_cache_entry_commit( e );
-               }
+       if( rs->sr_err != LDAP_SUCCESS ) {
+               Debug( LDAP_DEBUG_TRACE,
+                       LDAP_XSTRING(bdb_modrdn) ": %s : %s (%d)\n",
+                       rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
+               rs->sr_err = LDAP_OTHER;
 
-       } else {
-#ifdef NEW_LOGGING
-               LDAP_LOG ( OPERATION, RESULTS, "bdb_modrdn: %s : %s (%d)\n", 
-                       text, db_strerror(rc), rc );
-#else
-               Debug( LDAP_DEBUG_TRACE, "bdb_add: %s : %s (%d)\n",
-                       text, db_strerror(rc), rc );
-#endif
-               rc = LDAP_OTHER;
+               goto return_results;
        }
 
+       Debug(LDAP_DEBUG_TRACE,
+               LDAP_XSTRING(bdb_modrdn)
+               ": rdn modified%s id=%08lx dn=\"%s\"\n",
+               op->o_noop ? " (no-op)" : "",
+               dummy.e_id, op->o_req_dn.bv_val );
+       rs->sr_text = NULL;
+       if( num_ctrls ) rs->sr_ctrls = ctrls;
+
 return_results:
-       send_ldap_result( conn, op, rc,
-               NULL, text, NULL, NULL );
-
-#if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
-       if ( rc == LDAP_SUCCESS && !op->o_noop ) {
-               /* Loop through in-scope entries for each psearch spec */
-               LDAP_LIST_FOREACH ( ps_list, &bdb->psearch_list, link ) {
-                       bdb_psearch( be, conn, op, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
-               }
-               pm_list = LDAP_LIST_FIRST(&op->premodify_list);
-               while ( pm_list != NULL ) {
-                       bdb_psearch(be, conn, op, pm_list->ps->op,
-                                               e, LDAP_PSEARCH_BY_SCOPEOUT);
-                       LDAP_LIST_REMOVE ( pm_list, link );
-                       pm_prev = pm_list;
-                       pm_list = LDAP_LIST_NEXT ( pm_list, link );
-                        free (pm_prev);
-               }
+       if ( dummy.e_attrs ) {
+               attrs_free( dummy.e_attrs );
        }
-#endif
+       send_ldap_result( op, rs );
 
-       if( rc == LDAP_SUCCESS && bdb->bi_txn_cp ) {
-               ldap_pvt_thread_yield();
+       if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
                TXN_CHECKPOINT( bdb->bi_dbenv,
                        bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
        }
+       
+       if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
+               op->o_delete_glue_parent = 1;
+       }
 
 done:
+       slap_graduate_commit_csn( op );
+
        if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
        if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
 
        /* LDAP v2 supporting correct attribute handling. */
        if ( new_rdn != NULL ) {
-               ldap_rdnfree( new_rdn );
+               ldap_rdnfree_x( new_rdn, op->o_tmpmemctx );
        }
+
        if ( old_rdn != NULL ) {
-               ldap_rdnfree( old_rdn );
+               ldap_rdnfree_x( old_rdn, op->o_tmpmemctx );
        }
+
        if( mod != NULL ) {
-               Modifications *tmp;
-               for (; mod; mod=tmp ) {
-                       tmp = mod->sml_next;
-                       free( mod );
-               }
+               slap_modrdn2mods_free( mod );
        }
 
        /* LDAP v3 Support */
@@ -923,18 +822,17 @@ done:
        }
 
        if( ltid != NULL ) {
-#if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
-                pm_list = LDAP_LIST_FIRST(&op->premodify_list);
-                while ( pm_list != NULL ) {
-                        LDAP_LIST_REMOVE ( pm_list, link );
-                        pm_prev = pm_list;
-                        pm_list = LDAP_LIST_NEXT ( pm_list, link );
-                        free (pm_prev);
-                }
-#endif
                TXN_ABORT( ltid );
-               op->o_private = NULL;
        }
+       op->o_private = NULL;
 
-       return ( ( rc == LDAP_SUCCESS ) ? noop : rc );
+       if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) {
+               slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
+               slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
+       }
+       if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) {
+               slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
+               slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
+       }
+       return rs->sr_err;
 }