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openldap/servers/slapd/back-bdb/modrdn.c
Pierangelo Masarati c0c24cfec5 first round of SHADOW flags/isupdate test unification
2004-04-10 10:00:58 +00:00

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/* modrdn.c - bdb backend modrdn routine */
/* $OpenLDAP$ */
/* 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"
#include <stdio.h>
#include <ac/string.h>
#include "back-bdb.h"
#include "external.h"
int
bdb_modrdn( Operation *op, SlapReply *rs )
{
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;
EntryInfo *ei = NULL, *eip = NULL, *nei = NULL, *neip = NULL;
/* LDAP v2 supporting correct attribute handling. */
LDAPRDN new_rdn = NULL;
LDAPRDN old_rdn = NULL;
char textbuf[SLAP_TEXT_BUFLEN];
size_t textlen = sizeof textbuf;
DB_TXN *ltid = NULL, *lt2;
struct bdb_op_info opinfo;
Entry dummy, *save;
ID id;
Entry *np = NULL; /* newSuperior Entry */
struct berval *np_dn = NULL; /* newSuperior dn */
struct berval *np_ndn = NULL; /* newSuperior ndn */
struct berval *new_parent_dn = NULL; /* np_dn, p_dn, or NULL */
/* Used to interface with bdb_modify_internal() */
Modifications *mod = NULL; /* Used to delete old rdn */
int manageDSAit = get_manageDSAit( op );
u_int32_t locker = 0;
DB_LOCK lock, plock, nplock;
int num_retries = 0;
LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
int num_ctrls = 0;
Operation *ps_list;
struct psid_entry *pm_list, *pm_prev;
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",
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" );
#else
Debug( LDAP_DEBUG_TRACE, "==>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" );
#endif
if( 0 ) {
retry: /* transaction retry */
if (e != NULL) {
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
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 );
ch_free( pm_prev );
}
rs->sr_err = TXN_ABORT( ltid );
ltid = NULL;
op->o_private = NULL;
op->o_do_not_cache = opinfo.boi_acl_cache;
if( rs->sr_err != 0 ) {
rs->sr_err = LDAP_OTHER;
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 */
rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
bdb->bi_db_opflags );
rs->sr_text = NULL;
if( rs->sr_err != 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"==>bdb_modrdn: txn_begin failed: %s (%d)\n",
db_strerror(rs->sr_err), rs->sr_err, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"bdb_delete: txn_begin 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;
}
locker = TXN_ID ( ltid );
opinfo.boi_bdb = op->o_bd;
opinfo.boi_txn = ltid;
opinfo.boi_locker = locker;
opinfo.boi_err = 0;
opinfo.boi_acl_cache = op->o_do_not_cache;
op->o_private = &opinfo;
/* get entry */
rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
locker, &lock );
switch( rs->sr_err ) {
case 0:
case DB_NOTFOUND:
break;
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto retry;
case LDAP_BUSY:
rs->sr_text = "ldap server busy";
goto return_results;
default:
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
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, e);
e = NULL;
} else {
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;
send_ldap_result( op, rs );
ber_bvarray_free( rs->sr_ref );
free( (char *)rs->sr_matched );
rs->sr_ref = NULL;
rs->sr_matched = NULL;
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:
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
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:
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, DETAIL1,
"<=- bdb_modrdn: non-leaf %s\n", op->o_req_dn.bv_val, 0, 0 );
#else
Debug(LDAP_DEBUG_ARGS,
"<=- bdb_modrdn: non-leaf %s\n",
op->o_req_dn.bv_val, 0, 0);
#endif
rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
rs->sr_text = "subtree rename not supported";
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;
}
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 );
#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
rs->sr_err = LDAP_REFERRAL,
rs->sr_matched = e->e_name.bv_val;
send_ldap_result( op, rs );
ber_bvarray_free( rs->sr_ref );
rs->sr_ref = NULL;
rs->sr_matched = NULL;
goto done;
}
if ( be_issuffix( op->o_bd, &e->e_nname ) ) {
p_ndn = slap_empty_bv;
} else {
dnParent( &e->e_nname, &p_ndn );
}
np_ndn = &p_ndn;
if ( p_ndn.bv_len != 0 ) {
/* Make sure parent entry exist and we can write its
* children.
*/
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:
case DB_NOTFOUND:
break;
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto retry;
case LDAP_BUSY:
rs->sr_text = "ldap server busy";
goto return_results;
default:
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
rs->sr_err = LDAP_OTHER;
rs->sr_text = "old entry's parent does not exist";
goto return_results;
}
/* check parent for "children" acl */
rs->sr_err = access_allowed( op, p,
children, NULL, ACL_WRITE, NULL );
if ( ! rs->sr_err ) {
switch( opinfo.boi_err ) {
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto retry;
}
rs->sr_err = 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
rs->sr_text = "no write access to old parent's children";
goto return_results;
}
#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 );
}
#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
} else {
/* no parent, modrdn entry directly under root */
isroot = be_isroot( op );
if ( ! isroot ) {
if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
|| be_shadow_update( op ) ) {
p = (Entry *)&slap_entry_root;
/* check parent for "children" acl */
rs->sr_err = access_allowed( op, p,
children, NULL, ACL_WRITE, NULL );
p = NULL;
if ( ! rs->sr_err ) {
switch( opinfo.boi_err ) {
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto retry;
}
rs->sr_err = 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
rs->sr_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
rs->sr_text = "no write access to old parent";
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
goto return_results;
}
}
}
new_parent_dn = &p_dn; /* New Parent unless newSuperior given */
if ( op->oq_modrdn.rs_newSup != NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, DETAIL1,
"==>bdb_modrdn: new parent \"%s\" requested...\n",
op->oq_modrdn.rs_newSup->bv_val, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"bdb_modrdn: new parent \"%s\" requested...\n",
op->oq_modrdn.rs_newSup->bv_val, 0, 0 );
#endif
/* newSuperior == oldParent? */
if( dn_match( &p_ndn, op->oq_modrdn.rs_nnewSup ) ) {
#ifdef NEW_LOGGING
LDAP_LOG( BACK_BDB, INFO, "bdb_back_modrdn: "
"new parent \"%s\" same as the old parent \"%s\"\n",
op->oq_modrdn.rs_newSup->bv_val, p_dn.bv_val, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "bdb_back_modrdn: "
"new parent \"%s\" same as the old parent \"%s\"\n",
op->oq_modrdn.rs_newSup->bv_val, p_dn.bv_val, 0 );
#endif
op->oq_modrdn.rs_newSup = NULL; /* ignore newSuperior */
}
}
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 == entry being moved?, if so ==> ERROR */
/* Get Entry with dn=newSuperior. Does newSuperior exist? */
rs->sr_err = bdb_dn2entry( op, ltid, np_ndn,
&neip, 0, locker, &nplock );
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:
rs->sr_text = "ldap server busy";
goto return_results;
default:
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",
np_ndn->bv_val, 0, 0);
#endif
rs->sr_text = "new superior not found";
rs->sr_err = LDAP_OTHER;
goto return_results;
}
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, DETAIL1,
"==>bdb_modrdn: wr to new parent OK np=%p, id=%ld\n",
(void *) np, (long) np->e_id, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"bdb_modrdn: wr to new parent OK np=%p, id=%ld\n",
(void *) np, (long) np->e_id, 0 );
#endif
/* check newSuperior for "children" acl */
rs->sr_err = access_allowed( op, np, children,
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, 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",
0, 0, 0 );
#endif
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",
0, 0, 0 );
#endif
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",
0, 0, 0 );
#endif
rs->sr_text = "new superior is a referral";
rs->sr_err = LDAP_OTHER;
goto return_results;
}
} else {
if ( isroot == -1 ) {
isroot = be_isroot( op );
}
np_dn = NULL;
/* no parent, modrdn entry directly under root */
if ( ! isroot ) {
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_WRITE, NULL );
np = NULL;
if ( ! rs->sr_err ) {
switch( opinfo.boi_err ) {
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto retry;
}
rs->sr_err = 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
rs->sr_text =
"no write access to new superior's children";
goto return_results;
}
#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",
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
rs->sr_text = "no write access to new superior's children";
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
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",
0, 0, 0 );
#endif
new_parent_dn = np_dn;
}
/* 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, NULL );
}
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",
new_ndn.bv_val, 0, 0 );
#endif
/* 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:
rs->sr_err = LDAP_ALREADY_EXISTS;
goto return_results;
default:
rs->sr_err = LDAP_OTHER;
rs->sr_text = "internal error";
goto return_results;
}
/* 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_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 "
"type(s)/values(s) of newrdn\n",
0, 0, 0 );
#endif
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 ]->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 ]->la_attr.bv_val, new_rdn[ 0 ]->la_value.bv_val, 0 );
#endif
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 "
"the old_rdn type(s)/value(s)\n",
0, 0, 0 );
#endif
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 */
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( 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, 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:
goto retry;
}
rs->sr_err = LDAP_OTHER;
rs->sr_text = "DN index delete fail";
goto return_results;
}
/* Binary format uses a single contiguous block, cannot
* free individual fields. But if a previous modrdn has
* already happened, must free the names. The frees are
* done in bdb_cache_modrdn().
*/
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;
}
e->e_name = new_dn;
e->e_nname = new_ndn;
new_dn.bv_val = NULL;
new_ndn.bv_val = NULL;
/* add new one */
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:
goto retry;
}
rs->sr_err = LDAP_OTHER;
rs->sr_text = "DN index add failed";
goto return_results;
}
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 );
}
/* modify entry */
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;
}
switch( rs->sr_err ) {
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto 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, 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:
goto retry;
}
rs->sr_err = LDAP_OTHER;
rs->sr_text = "entry update failed";
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 {
rs->sr_err = LDAP_SUCCESS;
goto return_results;
}
} else {
bdb_cache_modrdn( save, &op->orr_nnewrdn, e, neip,
bdb->bi_dbenv, locker, &lock );
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 );
}
}
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: %s : %s (%d)\n",
rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
#else
Debug( LDAP_DEBUG_TRACE, "bdb_add: %s : %s (%d)\n",
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( 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 );
if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
/* LDAP v2 supporting correct attribute handling. */
if ( new_rdn != NULL ) {
ldap_rdnfree_x( new_rdn, op->o_tmpmemctx );
}
if ( old_rdn != NULL ) {
ldap_rdnfree_x( old_rdn, op->o_tmpmemctx );
}
if( mod != NULL ) {
Modifications *tmp;
for (; mod; mod=tmp ) {
tmp = mod->sml_next;
/* 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 );
free( mod );
}
slap_mods_free( mod );
}
/* LDAP v3 Support */
if( np != NULL ) {
/* free new parent and reader lock */
bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
}
if( p != NULL ) {
/* free parent and reader lock */
bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
}
/* free entry */
if( e != NULL ) {
bdb_unlocked_cache_return_entry_w( &bdb->bi_cache, e);
}
if( ltid != NULL ) {
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 );
ch_free( pm_prev );
}
TXN_ABORT( ltid );
op->o_private = NULL;
}
return rs->sr_err;
}
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