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https://git.openldap.org/openldap/openldap.git
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671 lines
16 KiB
C
671 lines
16 KiB
C
/* modrdn.c - bdb backend modrdn routine */
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/* $OpenLDAP$ */
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/*
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* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include "back-bdb.h"
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#include "external.h"
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int
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bdb_modrdn(
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Backend *be,
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Connection *conn,
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Operation *op,
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struct berval *dn,
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struct berval *ndn,
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struct berval *newrdn,
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struct berval *nnewrdn,
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int deleteoldrdn,
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struct berval *newSuperior,
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struct berval *nnewSuperior
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)
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{
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struct bdb_info *bdb = (struct bdb_info *) be->be_private;
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AttributeDescription *children = slap_schema.si_ad_children;
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struct berval p_dn, p_ndn;
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struct berval new_dn = {0, NULL}, new_ndn = {0, NULL};
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int isroot = -1;
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Entry *e, *p = NULL;
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Entry *matched;
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int rc;
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const char *text;
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char textbuf[SLAP_TEXT_BUFLEN];
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size_t textlen = sizeof textbuf;
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DB_TXN * ltid = NULL;
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struct bdb_op_info opinfo;
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ID id;
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int a_cnt, d_cnt;
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LDAPRDN *new_rdn = NULL;
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LDAPRDN *old_rdn = NULL;
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Entry *np = NULL; /* newSuperior Entry */
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struct berval *np_dn = NULL; /* newSuperior dn */
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struct berval *np_ndn = NULL; /* newSuperior ndn */
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struct berval *new_parent_dn = NULL; /* np_dn, p_dn, or NULL */
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/* Used to interface with bdb_modify_internal() */
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Modifications *mod = NULL; /* Used to delete old rdn */
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int manageDSAit = get_manageDSAit( op );
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Debug( LDAP_DEBUG_TRACE, "==>bdb_modrdn(%s,%s,%s)\n",
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dn->bv_val, newrdn->bv_val,
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newSuperior ? newSuperior->bv_val : "NULL" );
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#if 0
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if( newSuperior != NULL ) {
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rc = LDAP_UNWILLING_TO_PERFORM;
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text = "newSuperior not implemented (yet)";
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goto return_results;
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}
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#endif
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if( 0 ) {
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retry: /* transaction retry */
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Debug( LDAP_DEBUG_TRACE, "==>bdb_modrdn: retrying...\n", 0, 0, 0 );
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rc = txn_abort( ltid );
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ltid = NULL;
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op->o_private = NULL;
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if( rc != 0 ) {
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rc = LDAP_OTHER;
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text = "internal error";
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goto return_results;
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}
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}
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if( bdb->bi_txn ) {
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/* begin transaction */
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rc = txn_begin( bdb->bi_dbenv, NULL, <id,
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bdb->bi_db_opflags );
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text = NULL;
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if( rc != 0 ) {
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Debug( LDAP_DEBUG_TRACE,
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"bdb_delete: txn_begin failed: %s (%d)\n",
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db_strerror(rc), rc, 0 );
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rc = LDAP_OTHER;
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text = "internal error";
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goto return_results;
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}
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}
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opinfo.boi_bdb = be;
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opinfo.boi_txn = ltid;
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opinfo.boi_err = 0;
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op->o_private = &opinfo;
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/* get entry */
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rc = bdb_dn2entry( be, ltid, ndn, &e, &matched, 0 );
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switch( rc ) {
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case 0:
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case DB_NOTFOUND:
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break;
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case DB_LOCK_DEADLOCK:
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case DB_LOCK_NOTGRANTED:
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goto retry;
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default:
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rc = LDAP_OTHER;
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text = "internal error";
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goto return_results;
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}
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if ( e == NULL ) {
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char* matched_dn = NULL;
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BVarray refs;
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if( matched != NULL ) {
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matched_dn = strdup( matched->e_dn );
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refs = is_entry_referral( matched )
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? get_entry_referrals( be, conn, op, matched )
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: NULL;
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bdb_entry_return( be, matched );
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matched = NULL;
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} else {
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refs = referral_rewrite( default_referral,
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NULL, dn, LDAP_SCOPE_DEFAULT );
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}
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send_ldap_result( conn, op, rc = LDAP_REFERRAL,
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matched_dn, NULL, refs, NULL );
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bvarray_free( refs );
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free( matched_dn );
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goto done;
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}
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if (!manageDSAit && is_entry_referral( e ) ) {
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/* parent is a referral, don't allow add */
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/* parent is an alias, don't allow add */
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BVarray refs = get_entry_referrals( be,
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conn, op, e );
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Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry %s is referral\n",
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e->e_dn, 0, 0 );
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send_ldap_result( conn, op, rc = LDAP_REFERRAL,
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e->e_dn, NULL, refs, NULL );
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bvarray_free( refs );
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goto done;
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}
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p_ndn.bv_val = dn_parent( be, e->e_ndn );
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if (p_ndn.bv_val && *p_ndn.bv_val)
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p_ndn.bv_len = e->e_nname.bv_len - (p_ndn.bv_val - e->e_ndn);
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else
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p_ndn.bv_len = 0;
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np_ndn = &p_ndn;
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if ( p_ndn.bv_len != 0 ) {
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/* Make sure parent entry exist and we can write its
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* children.
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*/
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rc = bdb_dn2entry( be, ltid, &p_ndn, &p, NULL, 0 );
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switch( rc ) {
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case 0:
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case DB_NOTFOUND:
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break;
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case DB_LOCK_DEADLOCK:
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case DB_LOCK_NOTGRANTED:
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goto retry;
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default:
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rc = LDAP_OTHER;
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text = "internal error";
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goto return_results;
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}
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if( p == NULL) {
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Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: parent does not exist\n",
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0, 0, 0);
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rc = LDAP_OTHER;
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goto return_results;
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}
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/* check parent for "children" acl */
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if ( ! access_allowed( be, conn, op, p,
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children, NULL, ACL_WRITE ) )
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{
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Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
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0, 0 );
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send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
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NULL, NULL, NULL, NULL );
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goto return_results;
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}
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: wr to children of entry %s OK\n",
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p_ndn.bv_val, 0, 0 );
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p_dn.bv_val = dn_parent( be, e->e_dn );
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if (p_dn.bv_val && *p_dn.bv_val)
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p_dn.bv_len = e->e_name.bv_len - (p_dn.bv_val - e->e_dn);
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else
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p_dn.bv_len = 0;
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: parent dn=%s\n",
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p_dn.bv_val, 0, 0 );
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} else {
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/* no parent, modrdn entry directly under root */
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isroot = be_isroot( be, &op->o_ndn );
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if ( ! isroot ) {
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if ( be_issuffix( be, "" ) || be_isupdate( be, &op->o_ndn ) ) {
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p = (Entry *)&slap_entry_root;
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/* check parent for "children" acl */
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rc = access_allowed( be, conn, op, p,
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children, NULL, ACL_WRITE );
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p = NULL;
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if ( ! rc )
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{
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Debug( LDAP_DEBUG_TRACE,
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"no access to parent\n",
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0, 0, 0 );
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send_ldap_result( conn, op,
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LDAP_INSUFFICIENT_ACCESS,
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NULL, NULL, NULL, NULL );
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goto return_results;
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}
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: wr to children of entry \"\" OK\n",
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0, 0, 0 );
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p_dn.bv_val = "";
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p_dn.bv_len = 0;
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: parent dn=\"\"\n",
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0, 0, 0 );
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} else {
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: no parent, not root "
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"& \"\" is not suffix\n",
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0, 0, 0);
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rc = LDAP_INSUFFICIENT_ACCESS;
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goto return_results;
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}
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}
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}
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new_parent_dn = &p_dn; /* New Parent unless newSuperior given */
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if ( newSuperior != NULL ) {
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: new parent \"%s\" requested...\n",
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newSuperior->bv_val, 0, 0 );
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if ( newSuperior->bv_len ) {
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np_dn = newSuperior;
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np_ndn = nnewSuperior;
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/* newSuperior == oldParent?, if so ==> ERROR */
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/* newSuperior == entry being moved?, if so ==> ERROR */
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/* Get Entry with dn=newSuperior. Does newSuperior exist? */
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rc = bdb_dn2entry( be, ltid, nnewSuperior, &np, NULL, 0 );
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switch( rc ) {
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case 0:
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case DB_NOTFOUND:
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break;
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case DB_LOCK_DEADLOCK:
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case DB_LOCK_NOTGRANTED:
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goto retry;
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default:
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rc = LDAP_OTHER;
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text = "internal error";
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goto return_results;
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}
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if( np == NULL) {
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: newSup(ndn=%s) not here!\n",
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np_ndn->bv_val, 0, 0);
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rc = LDAP_OTHER;
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goto return_results;
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}
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: wr to new parent OK np=%p, id=%ld\n",
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np, (long) np->e_id, 0 );
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/* check newSuperior for "children" acl */
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if ( !access_allowed( be, conn, op, np, children, NULL, ACL_WRITE ) ) {
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: no wr to newSup children\n",
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0, 0, 0 );
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rc = LDAP_INSUFFICIENT_ACCESS;
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goto return_results;
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}
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if ( is_entry_alias( np ) ) {
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/* parent is an alias, don't allow add */
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Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry is alias\n",
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0, 0, 0 );
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rc = LDAP_ALIAS_PROBLEM;
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goto return_results;
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}
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if ( is_entry_referral( np ) ) {
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/* parent is a referral, don't allow add */
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Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry is referral\n",
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0, 0, 0 );
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rc = LDAP_OPERATIONS_ERROR;
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goto return_results;
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}
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} else {
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if ( isroot == -1 ) {
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isroot = be_isroot( be, &op->o_ndn );
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}
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np_dn = NULL;
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/* no parent, modrdn entry directly under root */
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if ( ! isroot ) {
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if ( be_issuffix( be, "" ) || be_isupdate( be, &op->o_ndn ) ) {
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np = (Entry *)&slap_entry_root;
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/* check parent for "children" acl */
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rc = access_allowed( be, conn, op, np,
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children, NULL, ACL_WRITE );
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np = NULL;
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if ( ! rc )
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{
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Debug( LDAP_DEBUG_TRACE,
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"no access to new superior\n",
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0, 0, 0 );
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send_ldap_result( conn, op,
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LDAP_INSUFFICIENT_ACCESS,
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NULL, NULL, NULL, NULL );
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goto return_results;
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}
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: wr to children of entry \"\" OK\n",
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0, 0, 0 );
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} else {
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: new superior=\"\", not root "
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"& \"\" is not suffix\n",
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0, 0, 0);
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rc = LDAP_INSUFFICIENT_ACCESS;
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goto return_results;
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}
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}
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: new superior=\"\"\n",
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0, 0, 0 );
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}
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: wr to new parent's children OK\n",
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0, 0, 0 );
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new_parent_dn = np_dn;
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}
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/* Build target dn and make sure target entry doesn't exist already. */
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build_new_dn( &new_dn, new_parent_dn, newrdn );
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dnNormalize2( NULL, &new_dn, &new_ndn );
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Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: new ndn=%s\n",
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new_ndn.bv_val, 0, 0 );
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rc = bdb_dn2id ( be, ltid, &new_ndn, &id );
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switch( rc ) {
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case DB_LOCK_DEADLOCK:
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case DB_LOCK_NOTGRANTED:
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goto retry;
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case DB_NOTFOUND:
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break;
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case 0:
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rc = LDAP_ALREADY_EXISTS;
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goto return_results;
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default:
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rc = LDAP_OTHER;
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text = "internal error";
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goto return_results;
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}
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: new ndn=%s does not exist\n",
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new_ndn.bv_val, 0, 0 );
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/* Get attribute type and attribute value of our new rdn, we will
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* need to add that to our new entry
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*/
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if ( ldap_str2rdn( newrdn->bv_val, &new_rdn, &text, LDAP_DN_FORMAT_LDAP ) ) {
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: can't figure out type(s)/values(s) "
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"of newrdn\n", 0, 0, 0 );
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rc = LDAP_OPERATIONS_ERROR;
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text = "unknown type(s) used in RDN";
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goto return_results;
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}
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: new_rdn_type=\"%s\", new_rdn_val=\"%s\"\n",
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new_rdn[0][0]->la_attr.bv_val, new_rdn[0][0]->la_value.bv_val, 0 );
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if ( ldap_str2rdn( dn->bv_val, &old_rdn, &text, LDAP_DN_FORMAT_LDAP ) ) {
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Debug( LDAP_DEBUG_TRACE,
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"bdb_back_modrdn: can't figure out the old_rdn "
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"type(s)/value(s)\n", 0, 0, 0 );
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rc = LDAP_OTHER;
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text = "cannot parse RDN from old DN";
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goto return_results;
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}
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#if 0
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if ( newSuperior == NULL
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&& charray_strcasecmp( ( const char ** )old_rdn_types,
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( const char ** )new_rdn_types ) != 0 ) {
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/* Not a big deal but we may say something */
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: old_rdn_type(s)=%s, new_rdn_type(s)=%s "
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"do not match\n",
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old_rdn_types[ 0 ], new_rdn_types[ 0 ], 0 );
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}
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#endif
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/* Add new attribute values to the entry */
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for ( a_cnt = 0; new_rdn[0][ a_cnt ]; a_cnt++ ) {
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int rc;
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AttributeDescription *desc = NULL;
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Modifications *mod_tmp;
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rc = slap_bv2ad( &new_rdn[0][ a_cnt ]->la_attr, &desc, &text );
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if ( rc != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: %s: %s (new)\n",
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text, new_rdn[0][ a_cnt ]->la_attr.bv_val, 0 );
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goto return_results;
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}
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/* ACL check of newly added attrs */
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if ( !access_allowed( be, conn, op, e, desc,
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&new_rdn[0][ a_cnt ]->la_value, ACL_WRITE ) ) {
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: access to attr \"%s\" "
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"(new) not allowed\n",
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new_rdn[0][ a_cnt ]->la_attr.bv_val, 0, 0 );
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rc = LDAP_INSUFFICIENT_ACCESS;
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goto return_results;
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}
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/* Apply modification */
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mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications )
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+ 2 * sizeof( struct berval ) );
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mod_tmp->sml_desc = desc;
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mod_tmp->sml_bvalues = ( BVarray )( mod_tmp + 1 );
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mod_tmp->sml_bvalues[ 0 ] = new_rdn[0][ a_cnt ]->la_value;
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mod_tmp->sml_bvalues[ 1 ].bv_val = NULL;
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mod_tmp->sml_op = SLAP_MOD_SOFTADD;
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mod_tmp->sml_next = mod;
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mod = mod_tmp;
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}
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/* Remove old rdn value if required */
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if ( deleteoldrdn ) {
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/* Get value of old rdn */
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if ( old_rdn == NULL) {
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Debug( LDAP_DEBUG_TRACE,
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"bdb_modrdn: can't figure out old RDN value(s) "
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"from old RDN\n", 0, 0, 0 );
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rc = LDAP_OTHER;
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text = "could not parse value(s) from old RDN";
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goto return_results;
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}
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|
|
for ( d_cnt = 0; old_rdn[0][ d_cnt ]; d_cnt++ ) {
|
|
int rc;
|
|
AttributeDescription *desc = NULL;
|
|
Modifications *mod_tmp;
|
|
|
|
rc = slap_bv2ad( &old_rdn[0][ d_cnt ]->la_attr,
|
|
&desc, &text );
|
|
|
|
if ( rc != LDAP_SUCCESS ) {
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"bdb_modrdn: %s: %s (old)\n",
|
|
text, old_rdn[0][ d_cnt ]->la_attr.bv_val, 0 );
|
|
goto return_results;
|
|
}
|
|
|
|
/* ACL check of newly added attrs */
|
|
if ( !access_allowed( be, conn, op, e, desc,
|
|
&old_rdn[0][d_cnt]->la_value, ACL_WRITE ) ) {
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"bdb_modrdn: access to attr \"%s\" "
|
|
"(old) not allowed\n",
|
|
old_rdn[0][ d_cnt ]->la_attr.bv_val, 0, 0 );
|
|
rc = LDAP_INSUFFICIENT_ACCESS;
|
|
goto return_results;
|
|
}
|
|
|
|
/* Apply modification */
|
|
mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications )
|
|
+ 2 * sizeof ( struct berval ) );
|
|
mod_tmp->sml_desc = desc;
|
|
mod_tmp->sml_bvalues = ( BVarray )(mod_tmp+1);
|
|
mod_tmp->sml_bvalues[ 0 ] = old_rdn[0][ d_cnt ]->la_value;
|
|
mod_tmp->sml_bvalues[ 1 ].bv_val = NULL;
|
|
mod_tmp->sml_op = LDAP_MOD_DELETE;
|
|
mod_tmp->sml_next = mod;
|
|
mod = mod_tmp;
|
|
}
|
|
}
|
|
|
|
/* delete old one */
|
|
rc = bdb_dn2id_delete( be, ltid, p_ndn.bv_val, e );
|
|
if ( rc != 0 ) {
|
|
switch( rc ) {
|
|
case DB_LOCK_DEADLOCK:
|
|
case DB_LOCK_NOTGRANTED:
|
|
goto retry;
|
|
}
|
|
rc = LDAP_OTHER;
|
|
text = "DN index delete fail";
|
|
goto return_results;
|
|
}
|
|
|
|
/* 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;
|
|
|
|
/* add new one */
|
|
rc = bdb_dn2id_add( be, ltid, np_ndn, e );
|
|
if ( rc != 0 ) {
|
|
switch( rc ) {
|
|
case DB_LOCK_DEADLOCK:
|
|
case DB_LOCK_NOTGRANTED:
|
|
goto retry;
|
|
}
|
|
rc = LDAP_OTHER;
|
|
text = "DN index add failed";
|
|
goto return_results;
|
|
}
|
|
|
|
/* modify entry */
|
|
rc = bdb_modify_internal( be, conn, op, ltid, &mod[0], e,
|
|
&text, textbuf, textlen );
|
|
|
|
if( rc != LDAP_SUCCESS ) {
|
|
switch( rc ) {
|
|
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 ) {
|
|
case DB_LOCK_DEADLOCK:
|
|
case DB_LOCK_NOTGRANTED:
|
|
goto retry;
|
|
}
|
|
rc = LDAP_OTHER;
|
|
text = "entry update failed";
|
|
goto return_results;
|
|
}
|
|
|
|
if( bdb->bi_txn ) {
|
|
rc = txn_commit( ltid, 0 );
|
|
}
|
|
ltid = NULL;
|
|
op->o_private = NULL;
|
|
|
|
if( rc != 0 ) {
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"bdb_modrdn: txn_commit failed: %s (%d)\n",
|
|
db_strerror(rc), rc, 0 );
|
|
rc = LDAP_OTHER;
|
|
text = "commit failed";
|
|
} else {
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"bdb_modrdn: added id=%08lx dn=\"%s\"\n",
|
|
e->e_id, e->e_dn, 0 );
|
|
rc = LDAP_SUCCESS;
|
|
text = NULL;
|
|
}
|
|
|
|
return_results:
|
|
send_ldap_result( conn, op, rc,
|
|
NULL, text, NULL, NULL );
|
|
|
|
if( rc == 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 );
|
|
}
|
|
|
|
done:
|
|
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 );
|
|
if( old_rdn != NULL ) ldap_rdnfree( old_rdn );
|
|
if( mod != NULL ) {
|
|
Modifications *tmp;
|
|
for (; mod; mod=tmp ) {
|
|
tmp = mod->sml_next;
|
|
free( mod );
|
|
}
|
|
}
|
|
|
|
/* LDAP v3 Support */
|
|
if( np != NULL ) {
|
|
/* free new parent and writer lock */
|
|
bdb_entry_return( be, np );
|
|
}
|
|
|
|
if( p != NULL ) {
|
|
/* free parent and writer lock */
|
|
bdb_entry_return( be, p );
|
|
}
|
|
|
|
/* free entry */
|
|
if( e != NULL ) {
|
|
bdb_entry_return( be, e );
|
|
}
|
|
|
|
if( ltid != NULL ) {
|
|
txn_abort( ltid );
|
|
op->o_private = NULL;
|
|
}
|
|
|
|
return rc;
|
|
}
|