2000-09-26 02:59:15 +08:00
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/* search.c - search operation */
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/* $OpenLDAP$ */
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/*
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2002-01-05 05:17:25 +08:00
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* Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
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2000-09-26 02:59:15 +08:00
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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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2001-06-15 15:08:37 +08:00
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#include "idl.h"
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2000-09-26 13:33:37 +08:00
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#include "external.h"
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2000-09-26 02:59:15 +08:00
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static int base_candidate(
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2000-09-28 06:28:59 +08:00
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BackendDB *be,
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2000-09-26 02:59:15 +08:00
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Entry *e,
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ID *ids );
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2000-09-26 03:59:45 +08:00
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static int search_candidates(
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2000-09-26 07:41:16 +08:00
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BackendDB *be,
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2002-01-10 03:21:07 +08:00
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Operation *op,
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2000-09-26 03:59:45 +08:00
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Entry *e,
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Filter *filter,
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2000-09-28 06:28:59 +08:00
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int scope,
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2000-09-26 03:59:45 +08:00
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int deref,
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ID *ids );
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2000-09-26 02:59:15 +08:00
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int
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bdb_search(
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2000-09-28 06:28:59 +08:00
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BackendDB *be,
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Connection *conn,
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Operation *op,
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2001-12-27 03:50:40 +08:00
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struct berval *base,
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struct berval *nbase,
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2000-09-28 06:28:59 +08:00
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int scope,
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int deref,
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int slimit,
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int tlimit,
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Filter *filter,
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2002-01-02 19:00:36 +08:00
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struct berval *filterstr,
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2001-12-31 19:35:52 +08:00
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AttributeName *attrs,
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2000-09-28 06:28:59 +08:00
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int attrsonly )
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2000-09-26 02:59:15 +08:00
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{
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struct bdb_info *bdb = (struct bdb_info *) be->be_private;
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2000-09-26 13:33:37 +08:00
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int abandon;
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2000-09-26 03:59:45 +08:00
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int rc;
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2000-09-26 02:59:15 +08:00
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const char *text = NULL;
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time_t stoptime;
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ID id, cursor;
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2001-10-14 00:55:54 +08:00
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ID candidates[BDB_IDL_UM_SIZE];
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2000-09-26 02:59:15 +08:00
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Entry *e = NULL;
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2002-01-14 09:43:17 +08:00
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BerVarray v2refs = NULL;
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2000-09-26 02:59:15 +08:00
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Entry *matched = NULL;
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2001-12-30 18:47:28 +08:00
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struct berval realbase = { 0, NULL };
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2000-09-26 02:59:15 +08:00
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int nentries = 0;
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2000-09-26 13:33:37 +08:00
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int manageDSAit;
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2001-10-02 20:00:01 +08:00
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struct slap_limits_set *limit = NULL;
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int isroot = 0;
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2000-09-26 13:33:37 +08:00
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Debug( LDAP_DEBUG_TRACE, "=> bdb_back_search\n",
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0, 0, 0);
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2000-09-26 02:59:15 +08:00
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2000-09-26 13:33:37 +08:00
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manageDSAit = get_manageDSAit( op );
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2000-09-26 02:59:15 +08:00
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2001-12-27 03:50:40 +08:00
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if ( nbase->bv_len == 0 ) {
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2001-11-15 01:27:24 +08:00
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/* DIT root special case */
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2001-11-17 01:05:32 +08:00
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e = (Entry *) &slap_entry_root;
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2001-11-15 01:27:24 +08:00
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rc = 0;
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} else
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2000-09-26 03:59:45 +08:00
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#ifdef BDB_ALIASES
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/* get entry with reader lock */
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if ( deref & LDAP_DEREF_FINDING ) {
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2001-12-27 08:26:59 +08:00
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e = deref_dn_r( be, nbase-, &err, &matched, &text );
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2000-09-26 03:59:45 +08:00
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} else
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#endif
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{
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2001-12-27 07:26:17 +08:00
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rc = bdb_dn2entry( be, NULL, nbase, &e, &matched, 0 );
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2000-09-26 03:59:45 +08:00
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}
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2000-09-26 02:59:15 +08:00
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switch(rc) {
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case DB_NOTFOUND:
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case 0:
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break;
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default:
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send_ldap_result( conn, op, rc=LDAP_OTHER,
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2000-09-28 06:28:59 +08:00
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NULL, "internal error", NULL, NULL );
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2000-09-26 02:59:15 +08:00
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return rc;
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}
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if ( e == NULL ) {
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2002-01-06 01:49:59 +08:00
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struct berval matched_dn = { 0, NULL };
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2002-01-14 09:43:17 +08:00
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BerVarray refs = NULL;
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2000-09-26 02:59:15 +08:00
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if ( matched != NULL ) {
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2002-01-14 09:43:17 +08:00
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BerVarray erefs;
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2002-01-06 01:49:59 +08:00
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ber_dupbv( &matched_dn, &matched->e_name );
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2000-09-26 02:59:15 +08:00
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2001-11-05 14:24:11 +08:00
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erefs = is_entry_referral( matched )
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2001-12-27 04:59:24 +08:00
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? get_entry_referrals( be, conn, op, matched )
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2000-09-26 02:59:15 +08:00
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: NULL;
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2001-11-05 14:24:11 +08:00
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bdb_entry_return( be, matched );
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matched = NULL;
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if( erefs ) {
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2002-01-06 01:49:59 +08:00
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refs = referral_rewrite( erefs, &matched_dn,
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2001-12-27 04:59:24 +08:00
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base, scope );
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2002-01-14 09:43:17 +08:00
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ber_bvarray_free( erefs );
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2001-11-05 14:24:11 +08:00
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}
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2000-09-26 02:59:15 +08:00
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} else {
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2001-11-05 14:24:11 +08:00
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refs = referral_rewrite( default_referral,
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2001-12-27 04:59:24 +08:00
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NULL, base, scope );
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2000-09-26 02:59:15 +08:00
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}
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2000-09-26 03:59:45 +08:00
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send_ldap_result( conn, op, rc=LDAP_REFERRAL ,
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2002-01-06 01:49:59 +08:00
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matched_dn.bv_val, text, refs, NULL );
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2000-09-26 02:59:15 +08:00
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2002-01-14 09:43:17 +08:00
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if ( refs ) ber_bvarray_free( refs );
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2002-01-06 01:49:59 +08:00
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if ( matched_dn.bv_val ) ber_memfree( matched_dn.bv_val );
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2000-09-26 03:59:45 +08:00
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return rc;
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2000-09-26 02:59:15 +08:00
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}
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2001-11-27 11:41:03 +08:00
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if (!manageDSAit && e != &slap_entry_root && is_entry_referral( e ) ) {
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2000-09-26 02:59:15 +08:00
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/* entry is a referral, don't allow add */
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2002-01-06 01:49:59 +08:00
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struct berval matched_dn;
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2002-01-14 09:43:17 +08:00
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BerVarray erefs, refs;
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2002-01-06 01:49:59 +08:00
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ber_dupbv( &matched_dn, &e->e_name );
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2002-01-06 03:36:41 +08:00
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erefs = get_entry_referrals( be, conn, op, e );
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refs = NULL;
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2000-09-26 02:59:15 +08:00
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bdb_entry_return( be, e );
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2000-09-28 10:27:49 +08:00
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e = NULL;
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2000-09-26 02:59:15 +08:00
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2001-11-05 14:24:11 +08:00
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if( erefs ) {
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2002-01-06 01:49:59 +08:00
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refs = referral_rewrite( erefs, &matched_dn,
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2001-12-27 04:59:24 +08:00
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base, scope );
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2002-01-14 09:43:17 +08:00
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ber_bvarray_free( erefs );
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2001-11-05 14:24:11 +08:00
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}
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2000-09-26 02:59:15 +08:00
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Debug( LDAP_DEBUG_TRACE, "bdb_search: entry is referral\n",
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0, 0, 0 );
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send_ldap_result( conn, op, LDAP_REFERRAL,
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2002-01-06 01:49:59 +08:00
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matched_dn.bv_val,
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2001-12-27 04:59:24 +08:00
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refs ? NULL : "bad referral object",
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2001-11-05 14:24:11 +08:00
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refs, NULL );
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2000-09-26 02:59:15 +08:00
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2002-01-14 09:43:17 +08:00
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ber_bvarray_free( refs );
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2002-01-06 01:49:59 +08:00
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ber_memfree( matched_dn.bv_val );
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2000-09-26 02:59:15 +08:00
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return 1;
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}
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2001-10-02 20:00:01 +08:00
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/* if not root, get appropriate limits */
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2001-12-26 03:48:26 +08:00
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if ( be_isroot( be, &op->o_ndn ) ) {
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2001-10-02 20:00:01 +08:00
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isroot = 1;
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2000-09-26 02:59:15 +08:00
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} else {
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2001-12-26 23:28:01 +08:00
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( void ) get_limits( be, &op->o_ndn, &limit );
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2000-09-26 02:59:15 +08:00
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}
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2001-10-02 20:00:01 +08:00
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/* The time/size limits come first because they require very little
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* effort, so there's no chance the candidates are selected and then
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* the request is not honored only because of time/size constraints */
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/* if no time limit requested, use soft limit (unless root!) */
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2001-11-13 01:12:43 +08:00
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if ( isroot ) {
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if ( tlimit == 0 ) {
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2001-11-27 11:41:03 +08:00
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tlimit = -1; /* allow root to set no limit */
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2001-10-02 20:00:01 +08:00
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}
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2001-11-13 01:12:43 +08:00
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if ( slimit == 0 ) {
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slimit = -1;
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}
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} else {
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/* if no limit is required, use soft limit */
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if ( tlimit <= 0 ) {
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2001-10-02 20:00:01 +08:00
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tlimit = limit->lms_t_soft;
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2001-11-13 01:12:43 +08:00
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/* if requested limit higher than hard limit, abort */
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} else if ( tlimit > limit->lms_t_hard ) {
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/* no hard limit means use soft instead */
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if ( limit->lms_t_hard == 0 ) {
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tlimit = limit->lms_t_soft;
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/* positive hard limit means abort */
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} else if ( limit->lms_t_hard > 0 ) {
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send_search_result( conn, op,
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LDAP_UNWILLING_TO_PERFORM,
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NULL, NULL, NULL, NULL, 0 );
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rc = 0;
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goto done;
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}
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2001-10-02 20:00:01 +08:00
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2001-11-13 01:12:43 +08:00
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/* negative hard limit means no limit */
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2001-10-02 20:00:01 +08:00
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}
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2001-11-13 01:12:43 +08:00
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/* if no limit is required, use soft limit */
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if ( slimit <= 0 ) {
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2001-10-02 20:00:01 +08:00
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slimit = limit->lms_s_soft;
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2001-11-13 01:12:43 +08:00
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/* if requested limit higher than hard limit, abort */
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} else if ( slimit > limit->lms_s_hard ) {
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/* no hard limit means use soft instead */
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if ( limit->lms_s_hard == 0 ) {
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slimit = limit->lms_s_soft;
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/* positive hard limit means abort */
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} else if ( limit->lms_s_hard > 0 ) {
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send_search_result( conn, op,
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LDAP_UNWILLING_TO_PERFORM,
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NULL, NULL, NULL, NULL, 0 );
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rc = 0;
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goto done;
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}
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/* negative hard limit means no limit */
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2001-10-02 20:00:01 +08:00
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}
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2000-09-26 02:59:15 +08:00
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}
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2001-11-13 01:12:43 +08:00
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/* compute it anyway; root does not use it */
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stoptime = op->o_time + tlimit;
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2001-10-02 20:00:01 +08:00
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/* select candidates */
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2000-09-26 02:59:15 +08:00
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if ( scope == LDAP_SCOPE_BASE ) {
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rc = base_candidate( be, e, candidates );
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} else {
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2001-11-27 03:32:39 +08:00
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BDB_IDL_ALL( bdb, candidates );
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2002-01-10 03:21:07 +08:00
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rc = search_candidates( be, op, e, filter,
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scope, deref, candidates );
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2000-09-26 02:59:15 +08:00
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}
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/* need normalized dn below */
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2001-12-30 18:47:28 +08:00
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ber_dupbv( &realbase, &e->e_nname );
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2000-09-26 02:59:15 +08:00
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2001-11-15 01:27:24 +08:00
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/* start cursor at base entry's id
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* FIXME: hack to make "" base work */
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cursor = e->e_id == NOID ? 1 : e->e_id;
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2000-09-26 02:59:15 +08:00
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2001-11-17 01:05:32 +08:00
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if ( e != &slap_entry_root ) {
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2001-11-15 01:27:24 +08:00
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bdb_entry_return( be, e );
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}
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2000-09-28 10:27:49 +08:00
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e = NULL;
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2000-09-26 02:59:15 +08:00
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if ( candidates[0] == 0 ) {
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Debug( LDAP_DEBUG_TRACE, "bdb_search: no candidates\n",
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0, 0, 0 );
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send_search_result( conn, op,
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LDAP_SUCCESS,
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NULL, NULL, NULL, NULL, 0 );
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rc = 1;
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goto done;
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}
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|
2001-10-02 20:00:01 +08:00
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/* if not root and candidates exceed to-be-checked entries, abort */
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if ( !isroot && limit->lms_s_unchecked != -1 ) {
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2001-12-10 02:57:46 +08:00
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if ( BDB_IDL_N(candidates) > (unsigned) limit->lms_s_unchecked ) {
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2001-10-02 20:00:01 +08:00
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send_search_result( conn, op,
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LDAP_UNWILLING_TO_PERFORM,
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NULL, NULL, NULL, NULL, 0 );
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rc = 1;
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goto done;
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}
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}
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|
2001-06-15 15:08:37 +08:00
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for ( id = bdb_idl_first( candidates, &cursor );
|
2000-09-26 02:59:15 +08:00
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id != NOID;
|
2001-06-15 15:08:37 +08:00
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id = bdb_idl_next( candidates, &cursor ) )
|
2000-09-26 02:59:15 +08:00
|
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{
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int scopeok = 0;
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/* check for abandon */
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ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
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abandon = op->o_abandon;
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ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
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if ( abandon ) {
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rc = 0;
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goto done;
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}
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|
/* check time limit */
|
|
|
|
if ( tlimit != -1 && slap_get_time() > stoptime ) {
|
2000-09-26 03:59:45 +08:00
|
|
|
send_search_result( conn, op, rc = LDAP_TIMELIMIT_EXCEEDED,
|
2000-09-26 02:59:15 +08:00
|
|
|
NULL, NULL, v2refs, NULL, nentries );
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* get the entry with reader lock */
|
|
|
|
rc = bdb_id2entry( be, NULL, id, &e );
|
|
|
|
|
|
|
|
if ( e == NULL ) {
|
2000-09-28 08:10:41 +08:00
|
|
|
if( !BDB_IDL_IS_RANGE(candidates) ) {
|
|
|
|
/* only complain for non-range IDLs */
|
|
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
|
|
"bdb_search: candidate %ld not found\n",
|
2001-10-14 00:55:54 +08:00
|
|
|
(long) id, 0, 0 );
|
2000-09-28 08:10:41 +08:00
|
|
|
}
|
2000-09-26 02:59:15 +08:00
|
|
|
|
|
|
|
goto loop_continue;
|
|
|
|
}
|
|
|
|
|
2002-01-10 03:43:15 +08:00
|
|
|
if ( is_entry_subentry( e ) ) {
|
|
|
|
if( scope != LDAP_SCOPE_BASE ) {
|
|
|
|
if(!get_subentries_visibility( op )) {
|
|
|
|
/* only subentries are visible */
|
|
|
|
goto loop_continue;
|
|
|
|
}
|
|
|
|
} else if ( get_subentries( op ) &&
|
|
|
|
!get_subentries_visibility( op ))
|
|
|
|
{
|
|
|
|
/* only subentries are visible */
|
|
|
|
goto loop_continue;
|
|
|
|
}
|
|
|
|
} else if ( get_subentries_visibility( op )) {
|
|
|
|
/* only subentries are visible */
|
|
|
|
goto loop_continue;
|
|
|
|
}
|
|
|
|
|
2000-09-26 03:59:45 +08:00
|
|
|
#ifdef BDB_ALIASES
|
2000-09-26 02:59:15 +08:00
|
|
|
if ( deref & LDAP_DEREF_SEARCHING && is_entry_alias( e ) ) {
|
|
|
|
Entry *matched;
|
|
|
|
int err;
|
|
|
|
const char *text;
|
|
|
|
|
|
|
|
e = deref_entry_r( be, e, &err, &matched, &text );
|
|
|
|
|
|
|
|
if( e == NULL ) {
|
|
|
|
e = matched;
|
|
|
|
goto loop_continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if( e->e_id == id ) {
|
|
|
|
/* circular loop */
|
|
|
|
goto loop_continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* need to skip alias which deref into scope */
|
|
|
|
if( scope & LDAP_SCOPE_ONELEVEL ) {
|
2002-01-22 16:18:12 +08:00
|
|
|
char *pdn;
|
|
|
|
ber_len_t plen;
|
|
|
|
|
|
|
|
if ( dnParent( e->e_nname.bv_val, &pdn ) == LDAP_SUCCESS ) {
|
|
|
|
plen = e->e_nname.bv_len - ( pdn - e->e_nname.bv_val );
|
|
|
|
if ( plen != realbase.bv_len || strcmp( pdn, realbase.bv_val ) ) {
|
2000-09-26 02:59:15 +08:00
|
|
|
goto loop_continue;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2001-12-30 18:47:28 +08:00
|
|
|
} else if ( dnIsSuffix( &e->e_nname, &realbase ) ) {
|
2000-09-26 02:59:15 +08:00
|
|
|
/* alias is within scope */
|
|
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
|
|
"bdb_search: \"%s\" in subtree\n",
|
|
|
|
e->e_dn, 0, 0 );
|
|
|
|
goto loop_continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
scopeok = 1;
|
|
|
|
}
|
2000-09-26 03:59:45 +08:00
|
|
|
#endif
|
2000-09-26 02:59:15 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* if it's a referral, add it to the list of referrals. only do
|
|
|
|
* this for non-base searches, and don't check the filter
|
|
|
|
* explicitly here since it's only a candidate anyway.
|
|
|
|
*/
|
|
|
|
if ( !manageDSAit && scope != LDAP_SCOPE_BASE &&
|
|
|
|
is_entry_referral( e ) )
|
|
|
|
{
|
2002-01-14 09:43:17 +08:00
|
|
|
BerVarray erefs = get_entry_referrals(
|
2001-12-27 04:59:24 +08:00
|
|
|
be, conn, op, e );
|
2002-01-14 09:43:17 +08:00
|
|
|
BerVarray refs = referral_rewrite( erefs,
|
2001-12-27 04:59:24 +08:00
|
|
|
&e->e_name, NULL,
|
2001-12-08 06:41:43 +08:00
|
|
|
scope == LDAP_SCOPE_SUBTREE
|
|
|
|
? LDAP_SCOPE_SUBTREE
|
|
|
|
: LDAP_SCOPE_BASE );
|
2000-09-26 02:59:15 +08:00
|
|
|
|
|
|
|
send_search_reference( be, conn, op,
|
2001-11-05 14:24:11 +08:00
|
|
|
e, refs, NULL, &v2refs );
|
2000-09-26 02:59:15 +08:00
|
|
|
|
2002-01-14 09:43:17 +08:00
|
|
|
ber_bvarray_free( refs );
|
2000-09-26 02:59:15 +08:00
|
|
|
|
|
|
|
goto loop_continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* if it matches the filter and scope, send it */
|
2000-09-26 03:59:45 +08:00
|
|
|
rc = test_filter( be, conn, op, e, filter );
|
|
|
|
if ( rc == LDAP_COMPARE_TRUE ) {
|
2000-09-26 02:59:15 +08:00
|
|
|
char *dn;
|
|
|
|
|
|
|
|
/* check scope */
|
|
|
|
if ( !scopeok && scope == LDAP_SCOPE_ONELEVEL ) {
|
2002-01-22 16:18:12 +08:00
|
|
|
if ( be_issuffix( be, e->e_nname.bv_val ) ) {
|
|
|
|
scopeok = (realbase.bv_len == 0);
|
|
|
|
} else {
|
|
|
|
dnParent( e->e_nname.bv_val, (const char **)&dn );
|
2001-12-30 18:47:28 +08:00
|
|
|
scopeok = (dn == realbase.bv_val)
|
2000-09-26 02:59:15 +08:00
|
|
|
? 1
|
2001-12-30 18:47:28 +08:00
|
|
|
: (strcmp( dn, realbase.bv_val ) ? 0 : 1 );
|
2000-09-26 02:59:15 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
} else if ( !scopeok && scope == LDAP_SCOPE_SUBTREE ) {
|
2001-12-30 18:47:28 +08:00
|
|
|
scopeok = dnIsSuffix( &e->e_nname, &realbase );
|
2000-09-26 02:59:15 +08:00
|
|
|
|
|
|
|
} else {
|
|
|
|
scopeok = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( scopeok ) {
|
|
|
|
/* check size limit */
|
|
|
|
if ( --slimit == -1 ) {
|
|
|
|
bdb_entry_return( be, e );
|
2000-09-28 10:27:49 +08:00
|
|
|
e = NULL;
|
2000-09-26 02:59:15 +08:00
|
|
|
send_search_result( conn, op,
|
2000-09-26 03:59:45 +08:00
|
|
|
rc = LDAP_SIZELIMIT_EXCEEDED, NULL, NULL,
|
2000-09-26 02:59:15 +08:00
|
|
|
v2refs, NULL, nentries );
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (e) {
|
|
|
|
int result = send_search_entry( be, conn, op,
|
|
|
|
e, attrs, attrsonly, NULL);
|
|
|
|
|
|
|
|
switch (result) {
|
|
|
|
case 0: /* entry sent ok */
|
|
|
|
nentries++;
|
|
|
|
break;
|
|
|
|
case 1: /* entry not sent */
|
|
|
|
break;
|
|
|
|
case -1: /* connection closed */
|
|
|
|
bdb_entry_return( be, e );
|
2000-09-28 10:27:49 +08:00
|
|
|
e = NULL;
|
2000-09-26 03:59:45 +08:00
|
|
|
rc = LDAP_OTHER;
|
2000-09-26 02:59:15 +08:00
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
|
|
"bdb_search: %ld scope not okay\n",
|
2001-10-14 00:55:54 +08:00
|
|
|
(long) id, 0, 0 );
|
2000-09-26 02:59:15 +08:00
|
|
|
}
|
|
|
|
} else {
|
|
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
|
|
"bdb_search: %ld does match filter\n",
|
2001-10-14 00:55:54 +08:00
|
|
|
(long) id, 0, 0 );
|
2000-09-26 02:59:15 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
loop_continue:
|
|
|
|
if( e != NULL ) {
|
|
|
|
/* free reader lock */
|
|
|
|
bdb_entry_return( be, e );
|
|
|
|
}
|
|
|
|
|
|
|
|
ldap_pvt_thread_yield();
|
|
|
|
}
|
|
|
|
send_search_result( conn, op,
|
|
|
|
v2refs == NULL ? LDAP_SUCCESS : LDAP_REFERRAL,
|
|
|
|
NULL, NULL, v2refs, NULL, nentries );
|
|
|
|
|
|
|
|
rc = 0;
|
|
|
|
|
|
|
|
done:
|
2002-01-14 09:43:17 +08:00
|
|
|
if( v2refs ) ber_bvarray_free( v2refs );
|
2001-12-30 18:47:28 +08:00
|
|
|
if( realbase.bv_val ) ch_free( realbase.bv_val );
|
2000-09-26 02:59:15 +08:00
|
|
|
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int base_candidate(
|
2000-09-28 06:28:59 +08:00
|
|
|
BackendDB *be,
|
2000-09-26 02:59:15 +08:00
|
|
|
Entry *e,
|
|
|
|
ID *ids )
|
|
|
|
{
|
2000-09-27 03:26:08 +08:00
|
|
|
Debug(LDAP_DEBUG_ARGS, "base_candidates: base: \"%s\" (0x%08lx)\n",
|
2000-09-26 02:59:15 +08:00
|
|
|
e->e_dn, (long) e->e_id, 0);
|
|
|
|
|
|
|
|
ids[0] = 1;
|
|
|
|
ids[1] = e->e_id;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2001-11-27 03:32:39 +08:00
|
|
|
/* Is "objectClass=xx" mentioned anywhere in this filter? Presence
|
|
|
|
* doesn't count, we're looking for explicit values.
|
|
|
|
*/
|
|
|
|
static int oc_filter(
|
|
|
|
Filter *f
|
|
|
|
)
|
|
|
|
{
|
|
|
|
int rc = 0;
|
|
|
|
|
|
|
|
switch(f->f_choice) {
|
|
|
|
case LDAP_FILTER_EQUALITY:
|
|
|
|
case LDAP_FILTER_APPROX:
|
|
|
|
if (f->f_av_desc == slap_schema.si_ad_objectClass)
|
|
|
|
rc = 1;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LDAP_FILTER_SUBSTRINGS:
|
|
|
|
if (f->f_sub_desc == slap_schema.si_ad_objectClass)
|
|
|
|
rc = 1;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LDAP_FILTER_AND:
|
|
|
|
case LDAP_FILTER_OR:
|
|
|
|
for (f=f->f_and; f; f=f->f_next)
|
|
|
|
if ((rc = oc_filter(f)))
|
|
|
|
break;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
2000-09-26 03:59:45 +08:00
|
|
|
static int search_candidates(
|
2000-09-26 07:41:16 +08:00
|
|
|
BackendDB *be,
|
2002-01-10 03:21:07 +08:00
|
|
|
Operation *op,
|
2000-09-26 03:59:45 +08:00
|
|
|
Entry *e,
|
|
|
|
Filter *filter,
|
2000-09-28 06:28:59 +08:00
|
|
|
int scope,
|
2000-09-26 03:59:45 +08:00
|
|
|
int deref,
|
|
|
|
ID *ids )
|
|
|
|
{
|
2000-09-28 06:28:59 +08:00
|
|
|
int rc;
|
2002-01-10 03:21:07 +08:00
|
|
|
Filter f, scopef, sf, rf, xf;
|
2001-11-27 03:32:39 +08:00
|
|
|
ID tmp[BDB_IDL_UM_SIZE];
|
2001-06-15 15:08:37 +08:00
|
|
|
AttributeAssertion aa_ref;
|
2002-01-10 03:21:07 +08:00
|
|
|
AttributeAssertion aa_subentry;
|
2001-06-15 15:08:37 +08:00
|
|
|
struct bdb_info *bdb = (struct bdb_info *) be->be_private;
|
|
|
|
#ifdef BDB_ALIASES
|
|
|
|
Filter af;
|
|
|
|
AttributeAssertion aa_alias;
|
|
|
|
#endif
|
2000-09-28 06:28:59 +08:00
|
|
|
|
2002-01-10 03:21:07 +08:00
|
|
|
/*
|
|
|
|
* This routine takes as input a filter (user-filter)
|
|
|
|
* and rewrites it as follows:
|
|
|
|
* (&(scope=DN)[(objectClass=subentry)]
|
|
|
|
* (|[(objectClass=referral)(objectClass=alias)](user-filter))
|
|
|
|
*/
|
|
|
|
|
2000-09-28 06:28:59 +08:00
|
|
|
Debug(LDAP_DEBUG_TRACE,
|
|
|
|
"search_candidates: base=\"%s\" (0x%08lx) scope=%d\n",
|
|
|
|
e->e_dn, (long) e->e_id, scope );
|
|
|
|
|
|
|
|
xf.f_or = filter;
|
|
|
|
xf.f_choice = LDAP_FILTER_OR;
|
|
|
|
xf.f_next = NULL;
|
|
|
|
|
2001-11-27 03:32:39 +08:00
|
|
|
/* If the user's filter doesn't mention objectClass, or if
|
|
|
|
* it just uses objectClass=*, these clauses are redundant.
|
|
|
|
*/
|
2002-01-10 03:21:07 +08:00
|
|
|
if (oc_filter(filter) && !get_subentries_visibility(op) ) {
|
|
|
|
if( !get_manageDSAit(op) ) { /* match referrals */
|
2001-12-29 23:01:10 +08:00
|
|
|
struct berval bv_ref = { sizeof("REFERRAL")-1, "REFERRAL" };
|
2001-11-27 11:41:03 +08:00
|
|
|
rf.f_choice = LDAP_FILTER_EQUALITY;
|
|
|
|
rf.f_ava = &aa_ref;
|
|
|
|
rf.f_av_desc = slap_schema.si_ad_objectClass;
|
2001-12-29 23:01:10 +08:00
|
|
|
rf.f_av_value = bv_ref;
|
2001-11-27 11:41:03 +08:00
|
|
|
rf.f_next = xf.f_or;
|
|
|
|
xf.f_or = &rf;
|
|
|
|
}
|
2000-09-28 06:28:59 +08:00
|
|
|
|
|
|
|
#ifdef BDB_ALIASES
|
2001-11-27 11:41:03 +08:00
|
|
|
if( deref & LDAP_DEREF_SEARCHING ) { /* match aliases */
|
2001-12-29 23:01:10 +08:00
|
|
|
struct berval bv_alias = { sizeof("ALIAS")-1, "ALIAS" };
|
2001-11-27 11:41:03 +08:00
|
|
|
af.f_choice = LDAP_FILTER_EQUALITY;
|
|
|
|
af.f_ava = &aa_alias;
|
|
|
|
af.f_av_desc = slap_schema.si_ad_objectClass;
|
2001-12-29 23:01:10 +08:00
|
|
|
af.f_av_value = bv_alias;
|
2001-11-27 11:41:03 +08:00
|
|
|
af.f_next = xf.f_or;
|
|
|
|
xf.f_or = ⁡
|
|
|
|
}
|
2000-09-28 06:28:59 +08:00
|
|
|
#endif
|
2001-11-27 03:32:39 +08:00
|
|
|
}
|
2000-09-26 03:59:45 +08:00
|
|
|
|
2000-09-28 06:28:59 +08:00
|
|
|
f.f_next = NULL;
|
|
|
|
f.f_choice = LDAP_FILTER_AND;
|
2002-01-10 03:21:07 +08:00
|
|
|
f.f_and = &scopef;
|
|
|
|
scopef.f_choice = scope == LDAP_SCOPE_SUBTREE
|
2000-09-28 06:28:59 +08:00
|
|
|
? SLAPD_FILTER_DN_SUBTREE
|
|
|
|
: SLAPD_FILTER_DN_ONE;
|
2002-01-10 03:21:07 +08:00
|
|
|
scopef.f_dn = &e->e_nname;
|
|
|
|
scopef.f_next = xf.f_or == filter ? filter : &xf ;
|
|
|
|
|
|
|
|
if( get_subentries_visibility( op ) ) {
|
|
|
|
struct berval bv_subentry = { sizeof("SUBENTRY")-1, "SUBENTRY" };
|
|
|
|
sf.f_choice = LDAP_FILTER_EQUALITY;
|
|
|
|
sf.f_ava = &aa_subentry;
|
|
|
|
sf.f_av_desc = slap_schema.si_ad_objectClass;
|
|
|
|
sf.f_av_value = bv_subentry;
|
|
|
|
sf.f_next = scopef.f_next;
|
|
|
|
scopef.f_next = &sf;
|
|
|
|
}
|
2001-06-15 15:08:37 +08:00
|
|
|
|
|
|
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#ifdef BDB_FILTER_INDICES
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2001-11-27 03:32:39 +08:00
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rc = bdb_filter_candidates( be, &f, ids, tmp );
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2000-09-28 06:28:59 +08:00
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#else
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2001-11-15 01:27:24 +08:00
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/* FIXME: Original code:
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2001-06-15 15:08:37 +08:00
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BDB_IDL_ID( bdb, ids, e->e_id );
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2001-11-15 01:27:24 +08:00
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* this is a hack to make "" base work; when bdb_filter_candidates
|
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* is used this should not be needed any more */
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BDB_IDL_ID( bdb, ids, (e->e_id == NOID ? 1 : e->e_id) );
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2000-09-28 06:28:59 +08:00
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rc = 0;
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#endif
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2000-09-27 06:22:42 +08:00
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2000-09-28 06:28:59 +08:00
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Debug(LDAP_DEBUG_TRACE,
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2001-10-14 00:55:54 +08:00
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"bdb_search_candidates: id=%ld first=%ld last=%ld\n",
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|
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(long) ids[0],
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|
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(long) BDB_IDL_FIRST(ids),
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(long) BDB_IDL_LAST(ids) );
|
2000-09-28 06:28:59 +08:00
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return rc;
|
2000-09-26 03:59:45 +08:00
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}
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