mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
147 lines
3.2 KiB
C
147 lines
3.2 KiB
C
/* compare.c - bdb backend compare routine */
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/* $OpenLDAP$ */
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/*
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* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include "back-bdb.h"
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#include "external.h"
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int
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bdb_compare( Operation *op, SlapReply *rs )
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{
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struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
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Entry *e = NULL;
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EntryInfo *ei;
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Attribute *a;
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int manageDSAit = get_manageDSAit( op );
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u_int32_t locker;
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DB_LOCK lock;
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rs->sr_err = LOCK_ID(bdb->bi_dbenv, &locker);
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switch(rs->sr_err) {
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case 0:
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break;
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default:
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send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
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return rs->sr_err;
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}
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dn2entry_retry:
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/* get entry */
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rs->sr_err = bdb_dn2entry( op, NULL, &op->o_req_ndn, &ei, 1, locker, &lock );
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switch( rs->sr_err ) {
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case DB_NOTFOUND:
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case 0:
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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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case DB_LOCK_DEADLOCK:
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case DB_LOCK_NOTGRANTED:
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goto dn2entry_retry;
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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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e = ei->bei_e;
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if ( rs->sr_err == DB_NOTFOUND ) {
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if ( e != NULL ) {
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rs->sr_matched = ch_strdup( e->e_dn );
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rs->sr_ref = is_entry_referral( e )
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? get_entry_referrals( op, e )
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: NULL;
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bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, e, &lock );
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e = NULL;
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} else {
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rs->sr_ref = referral_rewrite( default_referral,
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NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
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}
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rs->sr_err = LDAP_REFERRAL;
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send_ldap_result( op, rs );
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ber_bvarray_free( rs->sr_ref );
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free( (char *)rs->sr_matched );
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rs->sr_ref = NULL;
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rs->sr_matched = NULL;
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goto done;
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}
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if (!manageDSAit && is_entry_referral( e ) ) {
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/* entry is a referral, don't allow add */
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rs->sr_ref = get_entry_referrals( op, e );
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, DETAIL1,
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"bdb_compare: entry is referral\n", 0, 0, 0 );
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#else
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Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
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0, 0 );
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#endif
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rs->sr_err = LDAP_REFERRAL;
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rs->sr_matched = e->e_name.bv_val;
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send_ldap_result( op, rs );
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ber_bvarray_free( rs->sr_ref );
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rs->sr_ref = NULL;
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rs->sr_matched = NULL;
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goto done;
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}
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rs->sr_err = access_allowed( op, e,
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op->oq_compare.rs_ava->aa_desc, &op->oq_compare.rs_ava->aa_value, ACL_COMPARE, NULL );
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if ( ! rs->sr_err ) {
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rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
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goto return_results;
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}
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rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
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for(a = attrs_find( e->e_attrs, op->oq_compare.rs_ava->aa_desc );
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a != NULL;
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a = attrs_find( a->a_next, op->oq_compare.rs_ava->aa_desc ))
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{
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rs->sr_err = LDAP_COMPARE_FALSE;
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if ( value_find_ex( op->oq_compare.rs_ava->aa_desc,
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SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
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SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
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a->a_nvals, &op->oq_compare.rs_ava->aa_value, op->o_tmpmemctx ) == 0 )
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{
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rs->sr_err = LDAP_COMPARE_TRUE;
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break;
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}
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}
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return_results:
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send_ldap_result( op, rs );
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if( rs->sr_err == LDAP_COMPARE_FALSE || rs->sr_err == LDAP_COMPARE_TRUE ) {
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rs->sr_err = LDAP_SUCCESS;
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}
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done:
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/* free entry */
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if( e != NULL ) {
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bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, e, &lock );
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}
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LOCK_ID_FREE ( bdb->bi_dbenv, locker );
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return rs->sr_err;
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}
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