1 /* compare.c - ldap backend compare function */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2003-2004 The OpenLDAP Foundation.
6 * Portions Copyright 1999-2003 Howard Chu.
7 * Portions Copyright 2000-2003 Pierangelo Masarati.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted only as authorized by the OpenLDAP
14 * A copy of this license is available in the file LICENSE in the
15 * top-level directory of the distribution or, alternatively, at
16 * <http://www.OpenLDAP.org/license.html>.
19 * This work was initially developed by the Howard Chu for inclusion
20 * in OpenLDAP Software and subsequently enhanced by Pierangelo
28 #include <ac/string.h>
29 #include <ac/socket.h>
32 #include "back-ldap.h"
39 struct ldapinfo *li = (struct ldapinfo *) op->o_bd->be_private;
41 struct berval mapped_at = { 0, NULL }, mapped_val = { 0, NULL };
42 struct berval mdn = { 0, NULL };
46 #ifdef LDAP_BACK_PROXY_AUTHZ
47 LDAPControl **ctrls = NULL;
48 int rc = LDAP_SUCCESS;
49 #endif /* LDAP_BACK_PROXY_AUTHZ */
51 lc = ldap_back_getconn(op, rs);
52 if (!lc || !ldap_back_dobind( lc, op, rs ) ) {
57 * Rewrite the compare dn, if needed
59 dc.rwmap = &li->rwmap;
68 if ( ldap_back_dn_massage( &dc, &op->o_req_ndn, &mdn ) ) {
69 send_ldap_result( op, rs );
73 if ( op->orc_ava->aa_desc == slap_schema.si_ad_objectClass
74 || op->orc_ava->aa_desc == slap_schema.si_ad_structuralObjectClass ) {
75 ldap_back_map(&li->rwmap.rwm_oc, &op->orc_ava->aa_value,
76 &mapped_val, BACKLDAP_MAP);
77 if (mapped_val.bv_val == NULL || mapped_val.bv_val[0] == '\0') {
80 mapped_at = op->orc_ava->aa_desc->ad_cname;
82 ldap_back_map(&li->rwmap.rwm_at,
83 &op->orc_ava->aa_desc->ad_cname, &mapped_at,
85 if (mapped_at.bv_val == NULL || mapped_at.bv_val[0] == '\0') {
88 if (op->orc_ava->aa_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) {
90 dc.ctx = "compareAttrDN";
92 ldap_back_dn_massage( &dc, &op->orc_ava->aa_value, &mapped_val );
93 if (mapped_val.bv_val == NULL || mapped_val.bv_val[0] == '\0') {
94 mapped_val = op->orc_ava->aa_value;
95 } else if (mapped_val.bv_val != op->orc_ava->aa_value.bv_val) {
99 mapped_val = op->orc_ava->aa_value;
103 #ifdef LDAP_BACK_PROXY_AUTHZ
104 rc = ldap_back_proxy_authz_ctrl( lc, op, rs, &ctrls );
105 if ( rc != LDAP_SUCCESS ) {
108 #endif /* LDAP_BACK_PROXY_AUTHZ */
110 rs->sr_err = ldap_compare_ext( lc->ld, mdn.bv_val,
111 mapped_at.bv_val, &mapped_val,
112 #ifdef LDAP_BACK_PROXY_AUTHZ
114 #else /* ! LDAP_BACK_PROXY_AUTHZ */
116 #endif /* ! LDAP_BACK_PROXY_AUTHZ */
119 #ifdef LDAP_BACK_PROXY_AUTHZ
121 if ( ctrls && ctrls != op->o_ctrls ) {
125 #endif /* LDAP_BACK_PROXY_AUTHZ */
127 if ( mdn.bv_val != op->o_req_ndn.bv_val ) {
131 free( mapped_val.bv_val );
134 #ifdef LDAP_BACK_PROXY_AUTHZ
135 if ( rc != LDAP_SUCCESS ) {
136 send_ldap_result( op, rs );
139 #endif /* LDAP_BACK_PROXY_AUTHZ */
140 return( ldap_back_op_result( lc, op, rs, msgid, 1 ) );