1 /* compare.c - ldbm backend compare routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1998-2006 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
21 #include <ac/socket.h>
22 #include <ac/string.h>
25 #include "back-ldbm.h"
26 #include "proto-back-ldbm.h"
33 struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private;
37 int manageDSAit = get_manageDSAit( op );
39 rs->sr_matched = NULL;
42 /* grab giant lock for reading */
43 ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock);
45 /* get entry with reader lock */
46 e = dn2entry_r( op->o_bd, &op->o_req_ndn, &matched );
48 if ( matched != NULL ) {
49 rs->sr_matched = ch_strdup( matched->e_dn );
50 rs->sr_ref = is_entry_referral( matched )
51 ? get_entry_referrals( op, matched )
53 cache_return_entry_r( &li->li_cache, matched );
55 rs->sr_ref = referral_rewrite( default_referral,
56 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
59 ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
61 rs->sr_err = LDAP_REFERRAL;
65 if ( !manageDSAit && is_entry_referral( e ) ) {
68 /* entry is a referral, don't allow add */
69 rs->sr_ref = get_entry_referrals( op, e );
71 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
75 rs->sr_err = LDAP_REFERRAL;
76 ber_dupbv_x( &bv, &e->e_name, op->o_tmpmemctx );
77 rs->sr_matched = bv.bv_val;
82 if ( ! access_allowed( op, e,
83 op->oq_compare.rs_ava->aa_desc, &op->oq_compare.rs_ava->aa_value, ACL_COMPARE, NULL ) )
85 send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
90 rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
92 for(a = attrs_find( e->e_attrs, op->oq_compare.rs_ava->aa_desc );
94 a = attrs_find( a->a_next, op->oq_compare.rs_ava->aa_desc ))
96 rs->sr_err = LDAP_COMPARE_FALSE;
98 if ( value_find_ex( op->oq_compare.rs_ava->aa_desc,
99 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
100 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
101 a->a_nvals, &op->oq_compare.rs_ava->aa_value,
102 op->o_tmpmemctx ) == 0 )
104 rs->sr_err = LDAP_COMPARE_TRUE;
110 cache_return_entry_r( &li->li_cache, e );
111 ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
113 send_ldap_result( op, rs );
115 switch ( rs->sr_err ) {
116 case LDAP_COMPARE_FALSE:
117 case LDAP_COMPARE_TRUE:
118 rs->sr_err = LDAP_SUCCESS;
122 if ( rs->sr_ref != NULL ) {
123 ber_bvarray_free( rs->sr_ref );
127 if ( rs->sr_matched != NULL ) {
128 op->o_tmpfree( (char *)rs->sr_matched, op->o_tmpmemctx );
129 rs->sr_matched = NULL;