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_oc, mapped_at;
56 struct berval mdn = { 0, NULL };
60 lc = ldap_back_getconn(op, rs);
61 if (!lc || !ldap_back_dobind( lc, op, rs ) ) {
66 * Rewrite the compare dn, if needed
69 switch ( rewrite_session( li->rwinfo, "compareDn", op->o_req_dn.bv_val, op->o_conn, &mdn.bv_val ) ) {
70 case REWRITE_REGEXEC_OK:
71 if ( mdn.bv_val == NULL ) {
72 mdn.bv_val = ( char * )op->o_req_dn.bv_val;
75 LDAP_LOG( BACK_LDAP, DETAIL1,
76 "[rw] compareDn: \"%s\" -> \"%s\"\n", op->o_req_dn.bv_val, mdn.bv_val, 0 );
77 #else /* !NEW_LOGGING */
78 Debug( LDAP_DEBUG_ARGS, "rw> compareDn: \"%s\" -> \"%s\"\n%s",
79 op->o_req_dn.bv_val, mdn.bv_val, "" );
80 #endif /* !NEW_LOGGING */
83 case REWRITE_REGEXEC_UNWILLING:
84 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
85 "Operation not allowed" );
88 case REWRITE_REGEXEC_ERR:
89 send_ldap_error( op, rs, LDAP_OTHER,
93 #else /* !ENABLE_REWRITE */
94 ldap_back_dn_massage( li, &op->o_req_dn, &mdn, 0, 1 );
95 if ( mdn.bv_val == NULL ) {
98 #endif /* !ENABLE_REWRITE */
100 if ( op->oq_compare.rs_ava->aa_desc == slap_schema.si_ad_objectClass ) {
101 ldap_back_map(&li->oc_map, &op->oq_compare.rs_ava->aa_desc->ad_cname, &mapped_oc,
103 if (mapped_oc.bv_val == NULL || mapped_oc.bv_val[0] == '\0') {
108 ldap_back_map(&li->at_map, &op->oq_compare.rs_ava->aa_value, &mapped_at,
110 if (mapped_at.bv_val == NULL || mapped_at.bv_val[0] == '\0') {
115 rs->sr_err = ldap_compare_ext( lc->ld, mdn.bv_val, mapped_oc.bv_val,
116 &mapped_at, op->o_ctrls, NULL, &msgid );
118 if ( mdn.bv_val != op->o_req_dn.bv_val ) {
122 return( ldap_back_op_result( lc, op, rs, msgid, 1 ) );