1 /* compare.c - ldbm backend compare routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1998-2004 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 /* grab giant lock for reading */
40 ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock);
42 /* get entry with reader lock */
43 if ( (e = dn2entry_r( op->o_bd, &op->o_req_ndn, &matched )) == NULL ) {
44 if ( matched != NULL ) {
45 rs->sr_matched = ch_strdup( matched->e_dn );
46 rs->sr_ref = is_entry_referral( matched )
47 ? get_entry_referrals( op, matched )
49 cache_return_entry_r( &li->li_cache, matched );
51 rs->sr_ref = referral_rewrite( default_referral,
52 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
55 ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
57 rs->sr_err = LDAP_REFERRAL;
58 send_ldap_result( op, rs );
60 if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
61 free( (char *)rs->sr_matched );
63 rs->sr_matched = NULL;
67 if (!manageDSAit && is_entry_referral( e ) ) {
68 /* entry is a referral, don't allow add */
69 rs->sr_ref = get_entry_referrals( op, e );
72 LDAP_LOG( BACK_LDBM, INFO,
73 "ldbm_back_compare: entry (%s) is a referral.\n", e->e_dn, 0, 0 );
75 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
80 rs->sr_err = LDAP_REFERRAL;
81 rs->sr_matched = e->e_name.bv_val;
82 send_ldap_result( op, rs );
84 if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
86 rs->sr_matched = NULL;
91 if ( ! access_allowed( op, e,
92 op->oq_compare.rs_ava->aa_desc, &op->oq_compare.rs_ava->aa_value, ACL_COMPARE, NULL ) )
94 send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
100 rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
102 for(a = attrs_find( e->e_attrs, op->oq_compare.rs_ava->aa_desc );
104 a = attrs_find( a->a_next, op->oq_compare.rs_ava->aa_desc ))
106 rs->sr_err = LDAP_COMPARE_FALSE;
108 if ( value_find_ex( op->oq_compare.rs_ava->aa_desc,
109 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
110 SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
111 a->a_nvals, &op->oq_compare.rs_ava->aa_value,
112 op->o_tmpmemctx ) == 0 )
114 rs->sr_err = LDAP_COMPARE_TRUE;
119 send_ldap_result( op, rs );
121 if( rs->sr_err != LDAP_NO_SUCH_ATTRIBUTE ) {
127 cache_return_entry_r( &li->li_cache, e );
128 ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
129 return( rs->sr_err );