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/* add.c - ldap BerkeleyDB back-end add routine */
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/* $OpenLDAP: pkg/ldap/servers/slapd/back-bdb/add.c,v 1.152.2.10 2008/05/01 21:39:35 quanah Exp $ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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* Copyright 2000-2008 The OpenLDAP Foundation.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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#include <ac/string.h>
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bdb_add(Operation *op, SlapReply *rs )
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struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
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Entry *p = NULL, *oe = op->ora_e;
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char textbuf[SLAP_TEXT_BUFLEN];
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size_t textlen = sizeof textbuf;
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AttributeDescription *children = slap_schema.si_ad_children;
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AttributeDescription *entry = slap_schema.si_ad_entry;
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DB_TXN *ltid = NULL, *lt2;
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struct bdb_op_info opinfo = {0};
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BDB_LOCKER locker = 0, rlocker = 0;
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LDAPControl **postread_ctrl = NULL;
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LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
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Debug(LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(bdb_add) ": %s\n",
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op->oq_add.rs_e->e_name.bv_val, 0, 0);
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/* acquire connection lock */
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ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
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if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
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rs->sr_text = "invalid transaction identifier";
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rs->sr_err = LDAP_X_TXN_ID_INVALID;
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} else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
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if( op->o_conn->c_txn_backend == NULL ) {
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op->o_conn->c_txn_backend = op->o_bd;
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} else if( op->o_conn->c_txn_backend != op->o_bd ) {
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rs->sr_text = "transaction cannot span multiple database contexts";
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rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
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/* insert operation into transaction */
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rs->sr_text = "transaction specified";
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rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;
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/* release connection lock */
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ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
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send_ldap_result( op, rs );
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/* check entry's schema */
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rs->sr_err = entry_schema_check( op, op->oq_add.rs_e, NULL,
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get_relax(op), 1, &rs->sr_text, textbuf, textlen );
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if ( rs->sr_err != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(bdb_add) ": entry failed schema check: "
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"%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
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/* add opattrs to shadow as well, only missing attrs will actually
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* be added; helps compatibility with older OL versions */
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rs->sr_err = slap_add_opattrs( op, &rs->sr_text, textbuf, textlen, 1 );
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if ( rs->sr_err != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(bdb_add) ": entry failed op attrs add: "
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"%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
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subentry = is_entry_subentry( op->oq_add.rs_e );
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/* Get our thread locker ID */
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rs->sr_err = LOCK_ID( bdb->bi_dbenv, &rlocker );
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retry: /* transaction retry */
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/* free parent and reader lock */
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if ( p != (Entry *)&slap_entry_root ) {
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bdb_unlocked_cache_return_entry_r( bdb, p );
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rs->sr_err = TXN_ABORT( ltid );
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LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
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opinfo.boi_oe.oe_key = NULL;
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op->o_do_not_cache = opinfo.boi_acl_cache;
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if( rs->sr_err != 0 ) {
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "internal error";
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if ( op->o_abandon ) {
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rs->sr_err = SLAPD_ABANDON;
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bdb_trans_backoff( ++num_retries );
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/* begin transaction */
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rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
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bdb->bi_db_opflags );
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if( rs->sr_err != 0 ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(bdb_add) ": txn_begin failed: %s (%d)\n",
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db_strerror(rs->sr_err), rs->sr_err, 0 );
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "internal error";
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locker = TXN_ID ( ltid );
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opinfo.boi_oe.oe_key = bdb;
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opinfo.boi_txn = ltid;
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opinfo.boi_acl_cache = op->o_do_not_cache;
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LDAP_SLIST_INSERT_HEAD( &op->o_extra, &opinfo.boi_oe, oe_next );
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* Get the parent dn and see if the corresponding entry exists.
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if ( be_issuffix( op->o_bd, &op->oq_add.rs_e->e_nname ) ) {
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dnParent( &op->oq_add.rs_e->e_nname, &pdn );
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/* get entry or parent */
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rs->sr_err = bdb_dn2entry( op, ltid, &op->ora_e->e_nname, &ei,
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switch( rs->sr_err ) {
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rs->sr_err = LDAP_ALREADY_EXISTS;
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case DB_LOCK_DEADLOCK:
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case DB_LOCK_NOTGRANTED:
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rs->sr_text = "ldap server busy";
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "internal error";
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p = (Entry *)&slap_entry_root;
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if ( !bvmatch( &pdn, &p->e_nname ) ) {
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rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
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rs->sr_ref = is_entry_referral( p )
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? get_entry_referrals( op, p )
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bdb_unlocked_cache_return_entry_r( bdb, p );
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(bdb_add) ": parent "
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"does not exist\n", 0, 0, 0 );
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rs->sr_err = LDAP_REFERRAL;
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rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
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rs->sr_err = access_allowed( op, p,
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children, NULL, ACL_WADD, NULL );
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if ( ! rs->sr_err ) {
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switch( opinfo.boi_err ) {
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case DB_LOCK_DEADLOCK:
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case DB_LOCK_NOTGRANTED:
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(bdb_add) ": no write access to parent\n",
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rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
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rs->sr_text = "no write access to parent";
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goto return_results;;
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if ( p != (Entry *)&slap_entry_root ) {
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if ( is_entry_subentry( p ) ) {
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/* parent is a subentry, don't allow add */
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(bdb_add) ": parent is subentry\n",
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rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
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rs->sr_text = "parent is a subentry";
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goto return_results;;
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if ( is_entry_alias( p ) ) {
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/* parent is an alias, don't allow add */
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(bdb_add) ": parent is alias\n",
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rs->sr_err = LDAP_ALIAS_PROBLEM;
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rs->sr_text = "parent is an alias";
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goto return_results;;
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if ( is_entry_referral( p ) ) {
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/* parent is a referral, don't allow add */
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rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
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rs->sr_ref = get_entry_referrals( op, p );
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bdb_unlocked_cache_return_entry_r( bdb, p );
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(bdb_add) ": parent is referral\n",
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rs->sr_err = LDAP_REFERRAL;
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rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
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/* parent must be an administrative point of the required kind */
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/* free parent and reader lock */
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if ( p != (Entry *)&slap_entry_root ) {
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bdb_unlocked_cache_return_entry_r( bdb, p );
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rs->sr_err = access_allowed( op, op->oq_add.rs_e,
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entry, NULL, ACL_WADD, NULL );
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if ( ! rs->sr_err ) {
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switch( opinfo.boi_err ) {
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case DB_LOCK_DEADLOCK:
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case DB_LOCK_NOTGRANTED:
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(bdb_add) ": no write access to entry\n",
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rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
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rs->sr_text = "no write access to entry";
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goto return_results;;
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rs->sr_err = bdb_next_id( op->o_bd, &eid );
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if( rs->sr_err != 0 ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(bdb_add) ": next_id failed (%d)\n",
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "internal error";
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op->oq_add.rs_e->e_id = eid;
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/* nested transaction */
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rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2,
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bdb->bi_db_opflags );
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if( rs->sr_err != 0 ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(bdb_add) ": txn_begin(2) failed: "
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"%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "internal error";
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rs->sr_err = bdb_dn2id_add( op, lt2, ei, op->oq_add.rs_e );
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if ( rs->sr_err != 0 ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(bdb_add) ": dn2id_add failed: %s (%d)\n",
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db_strerror(rs->sr_err), rs->sr_err, 0 );
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switch( rs->sr_err ) {
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case DB_LOCK_DEADLOCK:
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case DB_LOCK_NOTGRANTED:
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rs->sr_err = LDAP_ALREADY_EXISTS;
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rs->sr_err = LDAP_OTHER;
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/* attribute indexes */
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rs->sr_err = bdb_index_entry_add( op, lt2, op->oq_add.rs_e );
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if ( rs->sr_err != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(bdb_add) ": index_entry_add failed\n",
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switch( rs->sr_err ) {
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case DB_LOCK_DEADLOCK:
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case DB_LOCK_NOTGRANTED:
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "index generation failed";
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rs->sr_err = bdb_id2entry_add( op->o_bd, lt2, op->oq_add.rs_e );
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if ( rs->sr_err != 0 ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(bdb_add) ": id2entry_add failed\n",
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switch( rs->sr_err ) {
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case DB_LOCK_DEADLOCK:
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case DB_LOCK_NOTGRANTED:
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "entry store failed";
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if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "txn_commit(2) failed";
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if( op->o_postread ) {
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if( postread_ctrl == NULL ) {
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postread_ctrl = &ctrls[num_ctrls++];
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ctrls[num_ctrls] = NULL;
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if ( slap_read_controls( op, rs, op->oq_add.rs_e,
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&slap_post_read_bv, postread_ctrl ) )
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Debug( LDAP_DEBUG_TRACE,
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"<=- " LDAP_XSTRING(bdb_add) ": post-read "
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"failed!\n", 0, 0, 0 );
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if ( op->o_postread & SLAP_CONTROL_CRITICAL ) {
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/* FIXME: is it correct to abort
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* operation if control fails? */
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if (( rs->sr_err=TXN_ABORT( ltid )) != 0 ) {
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rs->sr_text = "txn_abort (no-op) failed";
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rs->sr_err = LDAP_X_NO_OPERATION;
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/* pick the RDN if not suffix; otherwise pick the entire DN */
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nrdn.bv_val = op->ora_e->e_nname.bv_val;
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nrdn.bv_len = pdn.bv_val - op->ora_e->e_nname.bv_val - 1;
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nrdn = op->ora_e->e_nname;
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/* Use the thread locker here, outside the txn */
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bdb_cache_add( bdb, ei, op->ora_e, &nrdn, rlocker, &lock );
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if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) {
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rs->sr_text = "txn_commit failed";
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rs->sr_err = LDAP_SUCCESS;
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LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
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opinfo.boi_oe.oe_key = NULL;
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if ( rs->sr_err != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(bdb_add) ": %s : %s (%d)\n",
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rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
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rs->sr_err = LDAP_OTHER;
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Debug(LDAP_DEBUG_TRACE,
454
LDAP_XSTRING(bdb_add) ": added%s id=%08lx dn=\"%s\"\n",
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op->o_noop ? " (no-op)" : "",
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op->oq_add.rs_e->e_id, op->oq_add.rs_e->e_dn );
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if( num_ctrls ) rs->sr_ctrls = ctrls;
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success = rs->sr_err;
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send_ldap_result( op, rs );
464
slap_graduate_commit_csn( op );
469
if ( opinfo.boi_oe.oe_key ) {
470
LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
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if( success == LDAP_SUCCESS ) {
474
/* We own the entry now, and it can be purged at will
475
* Check to make sure it's the same entry we entered with.
476
* Possibly a callback may have mucked with it, although
477
* in general callbacks should treat the entry as read-only.
479
bdb_cache_return_entry_r( bdb, oe, &lock );
480
if ( op->ora_e == oe )
483
if ( bdb->bi_txn_cp_kbyte ) {
484
TXN_CHECKPOINT( bdb->bi_dbenv,
485
bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
489
if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) {
490
slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
491
slap_sl_free( *postread_ctrl, op->o_tmpmemctx );