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423 lines
11 KiB
C
423 lines
11 KiB
C
/* add.c - ldap mdb 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 2000-2020 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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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include "back-mdb.h"
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int
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mdb_add(Operation *op, SlapReply *rs )
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{
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struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
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struct berval pdn;
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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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MDB_txn *txn = NULL;
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MDB_cursor *mc = NULL;
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MDB_cursor *mcd;
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ID eid, pid = 0;
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mdb_op_info opinfo = {{{ 0 }}}, *moi = &opinfo;
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int subentry;
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int numads = mdb->mi_numads;
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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(mdb_add) ": %s\n",
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op->ora_e->e_name.bv_val );
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if( op->o_txnSpec && txn_preop( op, rs ))
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return rs->sr_err;
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ctrls[num_ctrls] = 0;
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/* check entry's schema */
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rs->sr_err = entry_schema_check( op, op->ora_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(mdb_add) ": entry failed schema check: "
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"%s (%d)\n", rs->sr_text, rs->sr_err );
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goto return_results;
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}
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/* begin transaction */
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rs->sr_err = mdb_opinfo_get( op, mdb, 0, &moi );
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rs->sr_text = NULL;
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if( rs->sr_err != 0 ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(mdb_add) ": txn_begin failed: %s (%d)\n",
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mdb_strerror(rs->sr_err), rs->sr_err );
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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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txn = moi->moi_txn;
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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(mdb_add) ": entry failed op attrs add: "
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"%s (%d)\n", rs->sr_text, rs->sr_err );
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goto return_results;
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}
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if ( get_assert( op ) &&
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( test_filter( op, op->ora_e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
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{
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rs->sr_err = LDAP_ASSERTION_FAILED;
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goto return_results;
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}
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subentry = is_entry_subentry( op->ora_e );
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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->ora_e->e_nname ) ) {
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pdn = slap_empty_bv;
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} else {
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dnParent( &op->ora_e->e_nname, &pdn );
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}
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rs->sr_err = mdb_cursor_open( txn, mdb->mi_dn2id, &mcd );
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if( rs->sr_err != 0 ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(mdb_add) ": mdb_cursor_open failed (%d)\n",
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rs->sr_err );
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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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rs->sr_err = mdb_dn2entry( op, txn, mcd, &op->ora_e->e_nname, &p, NULL, 1 );
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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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mdb_entry_return( op, p );
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p = NULL;
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goto return_results;
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case MDB_NOTFOUND:
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break;
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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 ( !p )
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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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op->o_tmpmemctx );
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if ( p != (Entry *)&slap_entry_root && is_entry_referral( p )) {
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BerVarray ref = get_entry_referrals( op, p );
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rs->sr_ref = referral_rewrite( ref, &p->e_name,
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&op->o_req_dn, LDAP_SCOPE_DEFAULT );
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ber_bvarray_free( ref );
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} else {
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rs->sr_ref = NULL;
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}
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if ( p != (Entry *)&slap_entry_root )
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mdb_entry_return( op, p );
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p = NULL;
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(mdb_add) ": parent "
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"does not exist\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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goto return_results;
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}
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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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if ( p != (Entry *)&slap_entry_root )
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mdb_entry_return( op, p );
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p = NULL;
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(mdb_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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}
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if ( p != (Entry *)&slap_entry_root ) {
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if ( is_entry_subentry( p ) ) {
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mdb_entry_return( op, p );
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p = NULL;
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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(mdb_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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}
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if ( is_entry_alias( p ) ) {
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mdb_entry_return( op, p );
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p = NULL;
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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(mdb_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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}
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if ( is_entry_referral( p ) ) {
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BerVarray ref = get_entry_referrals( op, 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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op->o_tmpmemctx );
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rs->sr_ref = referral_rewrite( ref, &p->e_name,
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&op->o_req_dn, LDAP_SCOPE_DEFAULT );
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ber_bvarray_free( ref );
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mdb_entry_return( op, p );
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p = NULL;
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(mdb_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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goto return_results;
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}
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}
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if ( subentry ) {
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/* FIXME: */
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/* parent must be an administrative point of the required kind */
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}
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/* free parent */
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if ( p != (Entry *)&slap_entry_root ) {
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pid = p->e_id;
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if ( p->e_nname.bv_len ) {
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struct berval ppdn;
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/* ITS#5326: use parent's DN if differs from provided one */
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dnParent( &op->ora_e->e_name, &ppdn );
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if ( !dn_match( &p->e_name, &ppdn ) ) {
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struct berval rdn;
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struct berval newdn;
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dnRdn( &op->ora_e->e_name, &rdn );
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build_new_dn( &newdn, &p->e_name, &rdn, NULL );
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if ( op->ora_e->e_name.bv_val != op->o_req_dn.bv_val )
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ber_memfree( op->ora_e->e_name.bv_val );
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op->ora_e->e_name = newdn;
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/* FIXME: should check whether
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* dnNormalize(newdn) == e->e_nname ... */
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}
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}
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mdb_entry_return( op, p );
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}
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p = NULL;
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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(mdb_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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}
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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, oe, op->ora_modlist)) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(mdb_add) ": no write access to attribute\n" );
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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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rs->sr_err = mdb_cursor_open( txn, mdb->mi_id2entry, &mc );
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if( rs->sr_err != 0 ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(mdb_add) ": mdb_cursor_open failed (%d)\n",
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rs->sr_err );
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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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rs->sr_err = mdb_next_id( op->o_bd, mc, &eid );
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if( rs->sr_err != 0 ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(mdb_add) ": next_id failed (%d)\n",
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rs->sr_err );
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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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op->ora_e->e_id = eid;
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/* dn2id index */
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rs->sr_err = mdb_dn2id_add( op, mcd, mcd, pid, 1, 1, op->ora_e );
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mdb_cursor_close( mcd );
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if ( rs->sr_err != 0 ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(mdb_add) ": dn2id_add failed: %s (%d)\n",
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mdb_strerror(rs->sr_err), rs->sr_err );
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switch( rs->sr_err ) {
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case MDB_KEYEXIST:
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rs->sr_err = LDAP_ALREADY_EXISTS;
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break;
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default:
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rs->sr_err = LDAP_OTHER;
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}
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goto return_results;
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}
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/* attribute indexes */
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rs->sr_err = mdb_index_entry_add( op, txn, op->ora_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(mdb_add) ": index_entry_add failed\n" );
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "index generation failed";
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goto return_results;
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}
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/* id2entry index */
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rs->sr_err = mdb_id2entry_add( op, txn, mc, op->ora_e );
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if ( rs->sr_err != 0 ) {
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Debug( LDAP_DEBUG_TRACE,
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LDAP_XSTRING(mdb_add) ": id2entry_add failed\n" );
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if ( rs->sr_err == LDAP_ADMINLIMIT_EXCEEDED ) {
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rs->sr_text = "entry is too big";
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} else {
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "entry store failed";
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}
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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->ora_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(mdb_add) ": post-read "
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"failed!\n" );
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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 ( moi == &opinfo ) {
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LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
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opinfo.moi_oe.oe_key = NULL;
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if ( op->o_noop ) {
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mdb->mi_numads = numads;
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mdb_txn_abort( txn );
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rs->sr_err = LDAP_X_NO_OPERATION;
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txn = NULL;
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goto return_results;
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}
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rs->sr_err = mdb_txn_commit( txn );
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txn = NULL;
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if ( rs->sr_err != 0 ) {
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mdb->mi_numads = numads;
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rs->sr_text = "txn_commit failed";
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Debug( LDAP_DEBUG_ANY,
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LDAP_XSTRING(mdb_add) ": %s : %s (%d)\n",
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rs->sr_text, mdb_strerror(rs->sr_err), rs->sr_err );
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rs->sr_err = LDAP_OTHER;
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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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LDAP_XSTRING(mdb_add) ": added%s id=%08lx dn=\"%s\"\n",
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op->o_noop ? " (no-op)" : "",
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op->ora_e->e_id, op->ora_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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if( moi == &opinfo ) {
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if( txn != NULL ) {
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mdb->mi_numads = numads;
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mdb_txn_abort( txn );
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}
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if ( opinfo.moi_oe.oe_key ) {
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LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
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}
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} else {
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moi->moi_ref--;
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}
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if( success == LDAP_SUCCESS ) {
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#if 0
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if ( mdb->bi_txn_cp_kbyte ) {
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TXN_CHECKPOINT( mdb->bi_dbenv,
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mdb->bi_txn_cp_kbyte, mdb->bi_txn_cp_min, 0 );
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}
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#endif
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}
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slap_graduate_commit_csn( op );
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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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