mirror of
https://git.openldap.org/openldap/openldap.git
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348 lines
9.0 KiB
C++
348 lines
9.0 KiB
C++
/* add.cpp - ldap NDB back-end add routine */
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 2008-2015 The OpenLDAP Foundation.
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* All rights reserved.
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*
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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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* Public License.
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*
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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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*/
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/* ACKNOWLEDGEMENTS:
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* This work was initially developed by Howard Chu for inclusion
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* in OpenLDAP Software. This work was sponsored by MySQL.
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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-ndb.h"
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extern "C" int
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ndb_back_add(Operation *op, SlapReply *rs )
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{
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struct ndb_info *ni = (struct ndb_info *) op->o_bd->be_private;
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Entry p = {0};
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Attribute poc;
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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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NdbArgs NA;
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NdbRdns rdns;
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struct berval matched;
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struct berval pdn, pndn;
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int num_retries = 0;
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int success;
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LDAPControl **postread_ctrl = NULL;
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LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
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int num_ctrls = 0;
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Debug(LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(ndb_back_add) ": %s\n",
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op->oq_add.rs_e->e_name.bv_val, 0, 0);
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ctrls[num_ctrls] = 0;
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NA.txn = NULL;
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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, NULL, &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(ndb_back_add) ": entry failed schema check: "
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"%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
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goto return_results;
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}
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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(ndb_back_add) ": entry failed op attrs add: "
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"%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
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goto return_results;
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}
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/* Get our NDB handle */
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rs->sr_err = ndb_thread_handle( op, &NA.ndb );
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/*
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* Get the parent dn and see if the corresponding entry exists.
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*/
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if ( be_issuffix( op->o_bd, &op->oq_add.rs_e->e_nname ) ) {
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pdn = slap_empty_bv;
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pndn = slap_empty_bv;
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} else {
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dnParent( &op->ora_e->e_name, &pdn );
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dnParent( &op->ora_e->e_nname, &pndn );
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}
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p.e_name = op->ora_e->e_name;
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p.e_nname = op->ora_e->e_nname;
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op->ora_e->e_id = NOID;
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rdns.nr_num = 0;
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NA.rdns = &rdns;
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if( 0 ) {
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retry: /* transaction retry */
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NA.txn->close();
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NA.txn = NULL;
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if ( op->o_abandon ) {
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rs->sr_err = SLAPD_ABANDON;
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goto return_results;
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}
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ndb_trans_backoff( ++num_retries );
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}
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NA.txn = NA.ndb->startTransaction();
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rs->sr_text = NULL;
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if( !NA.txn ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(ndb_back_add) ": startTransaction failed: %s (%d)\n",
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NA.ndb->getNdbError().message, NA.ndb->getNdbError().code, 0 );
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "internal error";
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goto return_results;
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}
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/* get entry or parent */
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NA.e = &p;
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NA.ocs = NULL;
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rs->sr_err = ndb_entry_get_info( op, &NA, 0, &matched );
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switch( rs->sr_err ) {
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case 0:
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rs->sr_err = LDAP_ALREADY_EXISTS;
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goto return_results;
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case LDAP_NO_SUCH_OBJECT:
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break;
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#if 0
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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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#endif
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case LDAP_BUSY:
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rs->sr_text = "ldap server busy";
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goto return_results;
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default:
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "internal error";
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goto return_results;
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}
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if ( NA.ocs ) {
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int i;
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for ( i=0; !BER_BVISNULL( &NA.ocs[i] ); i++ );
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poc.a_numvals = i;
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poc.a_desc = slap_schema.si_ad_objectClass;
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poc.a_vals = NA.ocs;
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poc.a_nvals = poc.a_vals;
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poc.a_next = NULL;
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p.e_attrs = &poc;
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}
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if ( ber_bvstrcasecmp( &pndn, &matched ) ) {
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rs->sr_matched = matched.bv_val;
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(ndb_back_add) ": parent "
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"does not exist\n", 0, 0, 0 );
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rs->sr_text = "parent does not exist";
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rs->sr_err = LDAP_NO_SUCH_OBJECT;
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if ( p.e_attrs && is_entry_referral( &p )) {
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is_ref: p.e_attrs = NULL;
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ndb_entry_get_data( op, &NA, 0 );
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rs->sr_ref = get_entry_referrals( op, &p );
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rs->sr_err = LDAP_REFERRAL;
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rs->sr_flags = REP_REF_MUSTBEFREED;
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attrs_free( p.e_attrs );
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p.e_attrs = NULL;
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}
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goto return_results;
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}
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p.e_name = pdn;
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p.e_nname = pndn;
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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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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(ndb_back_add) ": no write access to parent\n",
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0, 0, 0 );
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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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}
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if ( NA.ocs ) {
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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(ndb_back_add) ": parent is subentry\n",
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0, 0, 0 );
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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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}
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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(ndb_back_add) ": parent is alias\n",
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0, 0, 0 );
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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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}
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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 = p.e_name.bv_val;
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goto is_ref;
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}
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}
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rs->sr_err = access_allowed( op, op->ora_e,
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entry, NULL, ACL_WADD, NULL );
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if ( ! rs->sr_err ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(ndb_back_add) ": no write access to entry\n",
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0, 0, 0 );
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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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}
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/*
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* Check ACL for attribute write access
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*/
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if (!acl_check_modlist(op, op->ora_e, op->ora_modlist)) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(bdb_add) ": no write access to attribute\n",
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0, 0, 0 );
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rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
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rs->sr_text = "no write access to attribute";
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goto return_results;;
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}
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/* acquire entry ID */
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if ( op->ora_e->e_id == NOID ) {
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rs->sr_err = ndb_next_id( op->o_bd, NA.ndb, &op->ora_e->e_id );
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if( rs->sr_err != 0 ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(ndb_back_add) ": next_id failed (%d)\n",
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rs->sr_err, 0, 0 );
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "internal error";
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goto return_results;
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}
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}
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if ( matched.bv_val )
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rdns.nr_num++;
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NA.e = op->ora_e;
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/* dn2id index */
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rs->sr_err = ndb_entry_put_info( op->o_bd, &NA, 0 );
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if ( rs->sr_err ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(ndb_back_add) ": ndb_entry_put_info failed (%d)\n",
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rs->sr_err, 0, 0 );
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rs->sr_text = "internal error";
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goto return_results;
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}
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/* id2entry index */
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rs->sr_err = ndb_entry_put_data( op->o_bd, &NA );
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if ( rs->sr_err ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(ndb_back_add) ": ndb_entry_put_data failed (%d) %s(%d)\n",
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rs->sr_err, NA.txn->getNdbError().message, NA.txn->getNdbError().code );
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rs->sr_text = "internal error";
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goto return_results;
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}
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/* post-read */
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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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}
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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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{
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Debug( LDAP_DEBUG_TRACE,
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"<=- " LDAP_XSTRING(ndb_back_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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goto return_results;
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}
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}
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}
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if ( op->o_noop ) {
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if (( rs->sr_err=NA.txn->execute( NdbTransaction::Rollback,
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NdbOperation::AbortOnError, 1 )) != 0 ) {
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rs->sr_text = "txn (no-op) failed";
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} else {
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rs->sr_err = LDAP_X_NO_OPERATION;
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}
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} else {
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if(( rs->sr_err=NA.txn->execute( NdbTransaction::Commit,
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NdbOperation::AbortOnError, 1 )) != 0 ) {
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rs->sr_text = "txn_commit failed";
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} else {
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rs->sr_err = LDAP_SUCCESS;
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}
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}
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if ( rs->sr_err != LDAP_SUCCESS && rs->sr_err != LDAP_X_NO_OPERATION ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(ndb_back_add) ": %s : %s (%d)\n",
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rs->sr_text, NA.txn->getNdbError().message, NA.txn->getNdbError().code );
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rs->sr_err = LDAP_OTHER;
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goto return_results;
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}
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NA.txn->close();
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NA.txn = NULL;
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Debug(LDAP_DEBUG_TRACE,
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LDAP_XSTRING(ndb_back_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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rs->sr_text = NULL;
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if( num_ctrls ) rs->sr_ctrls = ctrls;
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return_results:
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success = rs->sr_err;
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send_ldap_result( op, rs );
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slap_graduate_commit_csn( op );
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if( NA.txn != NULL ) {
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NA.txn->execute( Rollback );
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NA.txn->close();
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}
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if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) {
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slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
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slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
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}
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return rs->sr_err;
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}
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