1 /* compare.c - ldbm backend compare routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1998-2007 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 rs->sr_err = LDAP_REFERRAL;
63 if ( !manageDSAit && is_entry_referral( e ) ) {
66 /* entry is a referral, don't allow add */
67 rs->sr_ref = get_entry_referrals( op, e );
69 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
73 rs->sr_err = LDAP_REFERRAL;
74 ber_dupbv_x( &bv, &e->e_name, op->o_tmpmemctx );
75 rs->sr_matched = bv.bv_val;
80 if ( ! access_allowed( op, e,
81 op->oq_compare.rs_ava->aa_desc, &op->oq_compare.rs_ava->aa_value, ACL_COMPARE, NULL ) )
83 send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
88 rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
90 for(a = attrs_find( e->e_attrs, op->oq_compare.rs_ava->aa_desc );
92 a = attrs_find( a->a_next, op->oq_compare.rs_ava->aa_desc ))
94 rs->sr_err = LDAP_COMPARE_FALSE;
96 if ( value_find_ex( op->oq_compare.rs_ava->aa_desc,
97 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
98 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
99 a->a_nvals, &op->oq_compare.rs_ava->aa_value,
100 op->o_tmpmemctx ) == 0 )
102 rs->sr_err = LDAP_COMPARE_TRUE;
108 if ( e ) cache_return_entry_r( &li->li_cache, e );
109 ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
111 send_ldap_result( op, rs );
113 switch ( rs->sr_err ) {
114 case LDAP_COMPARE_FALSE:
115 case LDAP_COMPARE_TRUE:
116 rs->sr_err = LDAP_SUCCESS;
120 if ( rs->sr_ref != NULL ) {
121 ber_bvarray_free( rs->sr_ref );
125 if ( rs->sr_matched != NULL ) {
126 op->o_tmpfree( (char *)rs->sr_matched, op->o_tmpmemctx );
127 rs->sr_matched = NULL;