1 /* compare.c - ldap backend compare function */
4 * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
7 /* This is an altered version */
9 * Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
11 * Permission is granted to anyone to use this software for any purpose
12 * on any computer system, and to alter it and redistribute it, subject
13 * to the following restrictions:
15 * 1. The author is not responsible for the consequences of use of this
16 * software, no matter how awful, even if they arise from flaws in it.
18 * 2. The origin of this software must not be misrepresented, either by
19 * explicit claim or by omission. Since few users ever read sources,
20 * credits should appear in the documentation.
22 * 3. Altered versions must be plainly marked as such, and must not be
23 * misrepresented as being the original software. Since few users
24 * ever read sources, credits should appear in the documentation.
26 * 4. This notice may not be removed or altered.
30 * Copyright 2000, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
32 * This software is being modified by Pierangelo Masarati.
33 * The previously reported conditions apply to the modified code as well.
34 * Changes in the original code are highlighted where required.
35 * Credits for the original code go to the author, Howard Chu.
42 #include <ac/string.h>
43 #include <ac/socket.h>
46 #include "back-ldap.h"
53 struct ldapinfo *li = (struct ldapinfo *) op->o_bd->be_private;
55 struct berval mapped_at, mapped_val;
56 struct berval mdn = { 0, NULL };
61 lc = ldap_back_getconn(op, rs);
62 if (!lc || !ldap_back_dobind( lc, op, rs ) ) {
67 * Rewrite the compare dn, if needed
69 dc.rwmap = &li->rwmap;
78 if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
79 send_ldap_result( op, rs );
83 if ( op->oq_compare.rs_ava->aa_desc == slap_schema.si_ad_objectClass ) {
84 ldap_back_map(&li->rwmap.rwm_oc, &op->orc_ava->aa_value,
85 &mapped_val, BACKLDAP_MAP);
86 if (mapped_val.bv_val == NULL || mapped_val.bv_val[0] == '\0') {
89 mapped_at = op->orc_ava->aa_desc->ad_cname;
91 ldap_back_map(&li->rwmap.rwm_at,
92 &op->orc_ava->aa_desc->ad_cname, &mapped_at,
94 if (mapped_at.bv_val == NULL || mapped_at.bv_val[0] == '\0') {
97 if (op->orc_ava->aa_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) {
99 dc.ctx = "compareAttrDN";
101 ldap_back_dn_massage( &dc, &op->orc_ava->aa_value, &mapped_val );
102 if (mapped_val.bv_val == NULL || mapped_val.bv_val[0] == '\0') {
103 mapped_val = op->orc_ava->aa_value;
104 } else if (mapped_val.bv_val != op->orc_ava->aa_value.bv_val) {
110 rs->sr_err = ldap_compare_ext( lc->ld, mdn.bv_val, mapped_at.bv_val,
111 &mapped_val, op->o_ctrls, NULL, &msgid );
113 if ( mdn.bv_val != op->o_req_dn.bv_val ) {
117 free( mapped_val.bv_val );
120 return( ldap_back_op_result( lc, op, rs, msgid, 1 ) );