]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/back-bdb/modrdn.c
Changes from HEAD, including
[openldap] / servers / slapd / back-bdb / modrdn.c
index 3753ab25b1ba750a32c9579732d0fe4584f2c1cc..749f6571deefbf33906fd52d3e7475a4218ae1e9 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 2000-2004 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"
@@ -24,14 +33,15 @@ bdb_modrdn( Operation       *op, SlapReply *rs )
        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;
+       LDAPRDN         new_rdn = NULL;
+       LDAPRDN         old_rdn = NULL;
        char textbuf[SLAP_TEXT_BUFLEN];
        size_t textlen = sizeof textbuf;
-       DB_TXN *        ltid = NULL;
+       DB_TXN          *ltid = NULL, *lt2;
        struct bdb_op_info opinfo;
+       Entry dummy, *save;
 
        ID                      id;
 
@@ -46,14 +56,22 @@ bdb_modrdn( Operation       *op, SlapReply *rs )
        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;
+       LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
+       int num_ctrls = 0;
+
+       Operation *ps_list;
        struct psid_entry *pm_list, *pm_prev;
-#endif
+       int     rc;
+       EntryInfo       *suffix_ei;
+       Entry           *ctxcsn_e;
+       int                     ctxcsn_added = 0;
+
+       int parent_is_glue = 0;
+       int parent_is_leaf = 0;
 
 #ifdef NEW_LOGGING
        LDAP_LOG ( OPERATION, ENTRY, "==>bdb_modrdn(%s,%s,%s)\n", 
@@ -68,7 +86,6 @@ bdb_modrdn( Operation *op, SlapReply *rs )
        if( 0 ) {
 retry: /* transaction retry */
                if (e != NULL) {
-                       bdb_cache_delete_entry(&bdb->bi_cache, e);
                        bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
                        e = NULL;
                }
@@ -85,16 +102,13 @@ retry:     /* transaction retry */
 #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->o_pm_list);
-                while ( pm_list != NULL ) {
-                        LDAP_LIST_REMOVE ( pm_list, ps_link );
+               pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
+               while ( pm_list != NULL ) {
+                       LDAP_LIST_REMOVE ( pm_list, ps_link );
                        pm_prev = pm_list;
-                        pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
+                       pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
                        ch_free( pm_prev );
-                }
-#endif
+               }
 
                rs->sr_err = TXN_ABORT( ltid );
                ltid = NULL;
@@ -105,7 +119,10 @@ retry:     /* transaction retry */
                        rs->sr_text = "internal error";
                        goto return_results;
                }
+               parent_is_glue = 0;
+               parent_is_leaf = 0;
                ldap_pvt_thread_yield();
+               bdb_trans_backoff( ++num_retries );
        }
 
        /* begin transaction */
@@ -137,7 +154,8 @@ retry:      /* transaction retry */
        op->o_private = &opinfo;
 
        /* get entry */
-       rs->sr_err = bdb_dn2entry_w( op->o_bd, ltid, &op->o_req_ndn, &e, &matched, DB_RMW, locker, &lock );
+       rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
+               locker, &lock );
 
        switch( rs->sr_err ) {
        case 0:
@@ -155,18 +173,33 @@ retry:    /* transaction retry */
                goto return_results;
        }
 
-       if ( e == NULL ) {
-               if( matched != NULL ) {
-                       rs->sr_matched = ch_strdup( matched->e_dn );
-                       rs->sr_ref = is_entry_referral( matched )
-                               ? get_entry_referrals( 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 {
-                       rs->sr_ref = referral_rewrite( default_referral,
-                               NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
+                       BerVarray deref = NULL;
+                       if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
+                               syncinfo_t *si;
+                               LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
+                                       struct berval tmpbv;
+                                       ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
+                                       ber_bvarray_add( &deref, &tmpbv );
+                }
+                       } else {
+                               deref = default_referral;
+                       }
+                       rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
+                               LDAP_SCOPE_DEFAULT );
                }
 
                rs->sr_err = LDAP_REFERRAL;
@@ -180,9 +213,15 @@ retry:     /* transaction retry */
                goto done;
        }
 
+       if ( get_assert( op ) &&
+               ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
+       {
+               rs->sr_err = LDAP_ASSERTION_FAILED;
+               goto return_results;
+       }
+
        /* 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:
@@ -203,7 +242,7 @@ retry:      /* transaction retry */
        }
 
 #ifndef BDB_HIER
-       rs->sr_err = bdb_dn2id_children( op->o_bd, ltid, &e->e_nname, 0 );
+       rs->sr_err = bdb_cache_children( op, ltid, e );
        if ( rs->sr_err != DB_NOTFOUND ) {
                switch( rs->sr_err ) {
                case DB_LOCK_DEADLOCK:
@@ -236,7 +275,9 @@ retry:      /* transaction retry */
                }
                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 */
                rs->sr_ref = get_entry_referrals( op, e );
@@ -269,7 +310,9 @@ retry:      /* transaction retry */
                /* Make sure parent entry exist and we can write its 
                 * children.
                 */
-               rs->sr_err = bdb_dn2entry_r( op->o_bd, 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( rs->sr_err ) {
                case 0:
@@ -287,6 +330,7 @@ retry:      /* transaction retry */
                        goto return_results;
                }
 
+               p = eip->bei_e;
                if( p == NULL) {
 #ifdef NEW_LOGGING
                        LDAP_LOG ( OPERATION, ERR, 
@@ -349,10 +393,10 @@ retry:    /* transaction retry */
 
        } else {
                /* no parent, modrdn entry directly under root */
-               isroot = be_isroot( op->o_bd, &op->o_ndn );
+               isroot = be_isroot( op );
                if ( ! isroot ) {
                        if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
-                               || be_isupdate( op->o_bd, &op->o_ndn ) ) {
+                               || be_shadow_update( op ) ) {
 
                                p = (Entry *)&slap_entry_root;
 
@@ -459,11 +503,11 @@ retry:    /* transaction retry */
                        /* newSuperior == entry being moved?, if so ==> ERROR */
                        /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 
-                       rs->sr_err = bdb_dn2entry_r( op->o_bd,
-                               ltid, np_ndn, &np, NULL, 0, locker, &lock );
+                       rs->sr_err = bdb_dn2entry( op, ltid, np_ndn,
+                               &neip, 0, locker, &nplock );
 
                        switch( rs->sr_err ) {
-                       case 0:
+                       case 0: np = neip->bei_e;
                        case DB_NOTFOUND:
                                break;
                        case DB_LOCK_DEADLOCK:
@@ -496,11 +540,11 @@ retry:    /* transaction retry */
 #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 );
+                               (void *) 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 );
+                               (void *) np, (long) np->e_id, 0 );
 #endif
 
                        /* check newSuperior for "children" acl */
@@ -559,7 +603,7 @@ retry:      /* transaction retry */
 
                } else {
                        if ( isroot == -1 ) {
-                               isroot = be_isroot( op->o_bd, &op->o_ndn );
+                               isroot = be_isroot( op );
                        }
                        
                        np_dn = NULL;
@@ -567,7 +611,7 @@ retry:      /* transaction retry */
                        /* no parent, modrdn entry directly under root */
                        if ( ! isroot ) {
                                if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
-                                       || be_isupdate( op->o_bd, &op->o_ndn ) ) {
+                                       || be_isupdate( op ) ) {
                                        np = (Entry *)&slap_entry_root;
 
                                        /* check parent for "children" acl */
@@ -592,7 +636,8 @@ retry:      /* transaction retry */
                                                        "no access to new superior\n", 
                                                        0, 0, 0 );
 #endif
-                                               rs->sr_text = "no write access to new superior's children";
+                                               rs->sr_text =
+                                                       "no write access to new superior's children";
                                                goto return_results;
                                        }
 
@@ -645,9 +690,15 @@ retry:     /* transaction retry */
        }
 
        /* Build target dn and make sure target entry doesn't exist already. */
-       if (!new_dn.bv_val) build_new_dn( &new_dn, new_parent_dn, &op->oq_modrdn.rs_newrdn ); 
+       if (!new_dn.bv_val) {
+               build_new_dn( &new_dn, new_parent_dn, &op->oq_modrdn.rs_newrdn, NULL ); 
+       }
 
-       if (!new_ndn.bv_val) 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, 
@@ -657,7 +708,10 @@ retry:     /* transaction retry */
                new_ndn.bv_val, 0, 0 );
 #endif
 
-       rs->sr_err = bdb_dn2id ( op->o_bd, ltid, &new_ndn, &id, 0 );
+       /* 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:
@@ -676,8 +730,8 @@ retry:      /* transaction retry */
        /* Get attribute type and attribute value of our new rdn, we will
         * need to add that to our new entry
         */
-       if ( !new_rdn && ldap_bv2rdn( &op->oq_modrdn.rs_newrdn, &new_rdn, (char **)&rs->sr_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, 
@@ -697,21 +751,17 @@ retry:    /* transaction retry */
 
 #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 );
+               "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 );
 #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 );
+               "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 );
 #endif
 
        if ( op->oq_modrdn.rs_deleteoldrdn ) {
-               if ( !old_rdn && ldap_bv2rdn( &op->o_req_dn, &old_rdn, (char **)&rs->sr_text,
-                       LDAP_DN_FORMAT_LDAP ) )
+               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, 
@@ -737,10 +787,58 @@ retry:    /* transaction retry */
                        goto return_results;
                }
        }
-       
+
+       if( op->o_preread ) {
+               if( slap_read_controls( op, rs, e,
+                       &slap_pre_read_bv, &ctrls[num_ctrls] ) )
+               {
+#ifdef NEW_LOGGING                                   
+                       LDAP_LOG ( OPERATION, DETAIL1,
+                               "<=- bdb_modrdn: post-read failed!\n", 0, 0, 0 );
+#else
+                       Debug( LDAP_DEBUG_TRACE,        
+                               "<=- bdb_modrdn: post-read failed!\n", 0, 0, 0 );
+#endif
+                       goto return_results;
+               }                   
+               ctrls[++num_ctrls] = NULL;
+               op->o_preread = 0;  /* prevent redo on retry */
+       }
+
+       /* 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 ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG ( OPERATION, ERR, 
+                       "bdb_modrdn: txn_begin(2) failed: %s (%d)\n",
+                       db_strerror(rs->sr_err), rs->sr_err, 0 );
+#else
+               Debug( LDAP_DEBUG_TRACE,
+                       "bdb_modrdn: txn_begin(2) failed: %s (%d)\n",
+                       db_strerror(rs->sr_err), rs->sr_err, 0 );
+#endif
+               rs->sr_err = LDAP_OTHER;
+               rs->sr_text = "internal error";
+               goto return_results;
+       }
+
+       dummy = *e;
+       save = e;
+       e = &dummy;
+
        /* delete old one */
-       rs->sr_err = bdb_dn2id_delete( op->o_bd, ltid, p_ndn.bv_val, e );
+       rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
        if ( rs->sr_err != 0 ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG ( OPERATION, ERR, 
+                       "<=- bdb_modrdn: dn2id del failed: %s (%d)\n",
+                       db_strerror(rs->sr_err), rs->sr_err, 0 );
+#else
+               Debug(LDAP_DEBUG_TRACE,
+                       "<=- bdb_modrdn: dn2id del failed: %s (%d)\n",
+                       db_strerror(rs->sr_err), rs->sr_err, 0 );
+#endif
                switch( rs->sr_err ) {
                case DB_LOCK_DEADLOCK:
                case DB_LOCK_NOTGRANTED:
@@ -751,25 +849,14 @@ retry:    /* transaction retry */
                goto return_results;
        }
 
-       (void) bdb_cache_delete_entry(&bdb->bi_cache, e);
-
        /* Binary format uses a single contiguous block, cannot
         * free individual fields. But if a previous modrdn has
-        * already happened, must free the names.
+        * already happened, must free the names. The frees are
+        * done in bdb_cache_modrdn().
         */
-#ifdef BDB_HIER
-       ch_free(e->e_name.bv_val);
-       e->e_name.bv_val = ch_malloc(new_dn.bv_len + new_ndn.bv_len + 2);
-       e->e_name.bv_len = new_dn.bv_len;
-       e->e_nname.bv_val = e->e_name.bv_val + new_dn.bv_len + 1;
-       e->e_nname.bv_len = new_ndn.bv_len;
-       strcpy(e->e_name.bv_val, new_dn.bv_val);
-       strcpy(e->e_nname.bv_val, new_ndn.bv_val);
-#else
-       if( e->e_nname.bv_val < e->e_bv.bv_val || e->e_nname.bv_val >
-               e->e_bv.bv_val + e->e_bv.bv_len ) {
-               ch_free(e->e_name.bv_val);
-               ch_free(e->e_nname.bv_val);
+       if( e->e_nname.bv_val < e->e_bv.bv_val ||
+               e->e_nname.bv_val > e->e_bv.bv_val + e->e_bv.bv_len )
+       {
                e->e_name.bv_val = NULL;
                e->e_nname.bv_val = NULL;
        }
@@ -777,10 +864,19 @@ retry:    /* transaction retry */
        e->e_nname = new_ndn;
        new_dn.bv_val = NULL;
        new_ndn.bv_val = NULL;
-#endif
+
        /* add new one */
-       rs->sr_err = bdb_dn2id_add( op->o_bd, ltid, np_ndn, e );
+       rs->sr_err = bdb_dn2id_add( op, lt2, neip ? neip : eip, e );
        if ( rs->sr_err != 0 ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG ( OPERATION, ERR, 
+                       "<=- bdb_modrdn: dn2id add failed: %s (%d)\n",
+                       db_strerror(rs->sr_err), rs->sr_err, 0 );
+#else
+               Debug(LDAP_DEBUG_TRACE,
+                       "<=- bdb_modrdn: dn2id add failed: %s (%d)\n",
+                       db_strerror(rs->sr_err), rs->sr_err, 0 );
+#endif
                switch( rs->sr_err ) {
                case DB_LOCK_DEADLOCK:
                case DB_LOCK_NOTGRANTED:
@@ -791,19 +887,27 @@ retry:    /* transaction retry */
                goto return_results;
        }
 
-#if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
-       if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
+       if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop && !op->o_no_psearch ) {
+               ldap_pvt_thread_rdwr_rlock( &bdb->bi_pslist_rwlock );
                LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
                        bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_PREMODIFY );
                }
+               ldap_pvt_thread_rdwr_runlock( &bdb->bi_pslist_rwlock );
        }
-#endif
 
        /* modify entry */
-       rs->sr_err = bdb_modify_internal( op, ltid, &mod[0], e,
+       rs->sr_err = bdb_modify_internal( op, lt2, &mod[0], e,
                &rs->sr_text, textbuf, textlen );
-
        if( rs->sr_err != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG ( OPERATION, ERR, 
+                       "<=- bdb_modrdn: modify failed: %s (%d)\n",
+                       db_strerror(rs->sr_err), rs->sr_err, 0 );
+#else
+               Debug(LDAP_DEBUG_TRACE,
+                       "<=- bdb_modrdn: modify failed: %s (%d)\n",
+                       db_strerror(rs->sr_err), rs->sr_err, 0 );
+#endif
                if ( ( rs->sr_err == LDAP_INSUFFICIENT_ACCESS ) && opinfo.boi_err ) {
                        rs->sr_err = opinfo.boi_err;
                }
@@ -814,10 +918,37 @@ retry:    /* transaction retry */
                }
                goto return_results;
        }
-       
+
+       if( op->o_postread ) {
+               if( slap_read_controls( op, rs, e,
+                       &slap_post_read_bv, &ctrls[num_ctrls] ) )
+               {
+#ifdef NEW_LOGGING                                   
+                       LDAP_LOG ( OPERATION, DETAIL1,
+                               "<=- bdb_modrdn: post-read failed!\n", 0, 0, 0 );
+#else
+                       Debug( LDAP_DEBUG_TRACE,        
+                               "<=- bdb_modrdn: post-read failed!\n", 0, 0, 0 );
+#endif
+                       goto return_results;
+               }                   
+               ctrls[++num_ctrls] = NULL;
+               op->o_postread = 0;  /* prevent redo on retry */
+               /* FIXME: should read entry on the last retry */
+       }
+
        /* id2entry index */
-       rs->sr_err = bdb_id2entry_update( op->o_bd, ltid, e );
+       rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, e );
        if ( rs->sr_err != 0 ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG ( OPERATION, ERR, 
+                       "<=- bdb_modrdn: id2entry failed: %s (%d)\n",
+                       db_strerror(rs->sr_err), rs->sr_err, 0 );
+#else
+               Debug(LDAP_DEBUG_TRACE,
+                       "<=- bdb_modrdn: id2entry failed: %s (%d)\n",
+                       db_strerror(rs->sr_err), rs->sr_err, 0 );
+#endif
                switch( rs->sr_err ) {
                case DB_LOCK_DEADLOCK:
                case DB_LOCK_NOTGRANTED:
@@ -828,57 +959,108 @@ retry:   /* transaction retry */
                goto return_results;
        }
 
+       bdb_cache_find_id( op, lt2, eip->bei_id, &eip, 0, locker, &plock );
+    if ( eip ) p = eip->bei_e;
+    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:
+#ifdef NEW_LOGGING
+                LDAP_LOG ( OPERATION, ERR,
+                    "<=- bdb_modrdn: has_children failed %s (%d)\n",
+                    db_strerror(rs->sr_err), rs->sr_err, 0 );
+#else
+                Debug(LDAP_DEBUG_ARGS,
+                    "<=- bdb_modrdn: has_children failed: %s (%d)\n",
+                    db_strerror(rs->sr_err), rs->sr_err, 0 );
+#endif
+                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 ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
+               rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
+                       &ctxcsn_e, &ctxcsn_added, locker );
+               switch ( rc ) {
+               case BDB_CSN_ABORT :
+                       goto return_results;
+               case BDB_CSN_RETRY :
+                       goto retry;
+               }
+       }
+
        if( op->o_noop ) {
                if(( rs->sr_err=TXN_ABORT( ltid )) != 0 ) {
                        rs->sr_text = "txn_abort (no-op) failed";
                } else {
-                       noop = 1;
                        rs->sr_err = LDAP_SUCCESS;
+                       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( save, &op->orr_nnewrdn, e, neip,
+                       bdb->bi_dbenv, locker, &lock );
+               switch( rc ) {
+               case DB_LOCK_DEADLOCK:
+               case DB_LOCK_NOTGRANTED:
+                       goto retry;
+               }
 
-               if(( rs->sr_err=TXN_PREPARE( ltid, gid )) != 0 ) {
-                       rs->sr_text = "txn_prepare failed";
-               } else {
-                       if( bdb_cache_update_entry(&bdb->bi_cache, e) == -1 ) {
-                               if(( rs->sr_err=TXN_ABORT( ltid )) != 0 ) {
-                                       rs->sr_text ="cache update & txn_abort failed";
-                               } else {
-                                       rs->sr_err = LDAP_OTHER;
-                                       rs->sr_text = "cache update failed";
-                               }
+               if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
+                       if ( ctxcsn_added ) {
+                               bdb_cache_add( bdb, suffix_ei, ctxcsn_e,
+                                       (struct berval *)&slap_ldapsync_cn_bv, locker );
+                       }
+               }
 
-                       } else {
-                               bdb_cache_entry_commit( e );
-                               if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) {
-                                       rs->sr_text = "txn_commit failed";
-                               } else {
-                                       rs->sr_err = LDAP_SUCCESS;
-                               }
+               if ( rs->sr_err == LDAP_SUCCESS ) {
+                       /* Loop through in-scope entries for each psearch spec */
+                       ldap_pvt_thread_rdwr_rlock( &bdb->bi_pslist_rwlock );
+                       LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
+                               bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
                        }
+                       ldap_pvt_thread_rdwr_runlock( &bdb->bi_pslist_rwlock );
+                       pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
+                       while ( pm_list != NULL ) {
+                               bdb_psearch(op, rs, pm_list->ps_op,
+                                                       e, LDAP_PSEARCH_BY_SCOPEOUT);
+                               pm_prev = pm_list;
+                               LDAP_LIST_REMOVE ( pm_list, ps_link );
+                               pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
+                               ch_free( pm_prev );
+                       }
+               }
+
+               if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) {
+                       rs->sr_text = "txn_commit failed";
+               } else {
+                       rs->sr_err = LDAP_SUCCESS;
                }
        }
  
        ltid = NULL;
        op->o_private = NULL;
  
-       if( rs->sr_err == 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
-               rs->sr_text = NULL;
-       } else {
+       if( rs->sr_err != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
                LDAP_LOG ( OPERATION, RESULTS, "bdb_modrdn: %s : %s (%d)\n", 
                        rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
@@ -887,34 +1069,36 @@ retry:   /* transaction retry */
                        rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
 #endif
                rs->sr_err = LDAP_OTHER;
+
+               goto return_results;
        }
 
+#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
+       rs->sr_text = NULL;
+       if( num_ctrls ) rs->sr_ctrls = ctrls;
+
 return_results:
        send_ldap_result( op, rs );
 
-#if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
-       if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
-               /* Loop through in-scope entries for each psearch spec */
-               LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
-                       bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
-               }
-               pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
-               while ( pm_list != NULL ) {
-                       bdb_psearch(op, rs, pm_list->ps_op,
-                                               e, LDAP_PSEARCH_BY_SCOPEOUT);
-                       pm_prev = pm_list;
-                       LDAP_LIST_REMOVE ( pm_list, ps_link );
-                       pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
-                       ch_free( pm_prev );
-               }
-       }
-#endif
-
        if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
                ldap_pvt_thread_yield();
                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:
        if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
@@ -922,20 +1106,24 @@ done:
 
        /* 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;
-#ifdef SLAP_NVALUES
+                       /* slap_modrdn2mods does things one way,
+                        * slap_mods_opattrs does it differently
+                        */
+                       if ( mod->sml_op != SLAP_MOD_SOFTADD &&
+                               mod->sml_op != LDAP_MOD_DELETE ) break;
                        if ( mod->sml_nvalues ) free( mod->sml_nvalues[0].bv_val );
-#endif
                        free( mod );
                }
+               slap_mods_free( mod );
        }
 
        /* LDAP v3 Support */
@@ -955,18 +1143,16 @@ done:
        }
 
        if( ltid != NULL ) {
-#if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
-                pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
-                while ( pm_list != NULL ) {
-                        LDAP_LIST_REMOVE ( pm_list, ps_link );
+               pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
+               while ( pm_list != NULL ) {
+                       LDAP_LIST_REMOVE ( pm_list, ps_link );
                        pm_prev = pm_list;
-                        pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
+                       pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
                        ch_free( pm_prev );
-                }
-#endif
+               }
                TXN_ABORT( ltid );
                op->o_private = NULL;
        }
 
-       return ( ( rs->sr_err == LDAP_SUCCESS ) ? noop : rs->sr_err );
+       return rs->sr_err;
 }