3 * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
7 * Copyright (c) 1995 Regents of the University of Michigan.
10 * Redistribution and use in source and binary forms are permitted
11 * provided that this notice is preserved and that due credit is given
12 * to the University of Michigan at Ann Arbor. The name of the University
13 * may not be used to endorse or promote products derived from this
14 * software without specific prior written permission. This software
15 * is provided ``as is'' without express or implied warranty.
22 #include <ac/socket.h>
32 char *dn = NULL, *ndn=NULL;
35 int rc = LDAP_SUCCESS;
37 Debug( LDAP_DEBUG_TRACE, "do_compare\n", 0, 0, 0 );
39 if( op->o_bind_in_progress ) {
40 Debug( LDAP_DEBUG_ANY, "do_compare: SASL bind in progress.\n",
42 send_ldap_result( conn, op, LDAP_SASL_BIND_IN_PROGRESS,
43 NULL, "SASL bind in progress", NULL, NULL );
44 return LDAP_SASL_BIND_IN_PROGRESS;
48 * Parse the compare request. It looks like this:
50 * CompareRequest := [APPLICATION 14] SEQUENCE {
51 * entry DistinguishedName,
54 * value AttributeValue
59 if ( ber_scanf( op->o_ber, "{a{ao}}", &dn, &ava.ava_type,
60 &ava.ava_value ) == LBER_ERROR ) {
61 Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
62 send_ldap_disconnect( conn, op,
63 LDAP_PROTOCOL_ERROR, "decoding error" );
67 ndn = ch_strdup( dn );
70 if( dn_normalize_case( ndn ) == NULL ) {
71 Debug( LDAP_DEBUG_ANY, "do_compare: invalid dn (%s)\n", dn, 0, 0 );
72 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
73 "invalid DN", NULL, NULL );
77 if( ( rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
78 Debug( LDAP_DEBUG_ANY, "do_compare: get_ctrls failed\n", 0, 0, 0 );
82 value_normalize( ava.ava_value.bv_val, attr_syntax( ava.ava_type ) );
84 Debug( LDAP_DEBUG_ARGS, "do_compare: dn (%s) attr (%s) value (%s)\n",
85 dn, ava.ava_type, ava.ava_value.bv_val );
87 Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d CMP dn=\"%s\" attr=\"%s\"\n",
88 op->o_connid, op->o_opid, dn, ava.ava_type, 0 );
91 * We could be serving multiple database backends. Select the
92 * appropriate one, or send a referral to our "referral server"
93 * if we don't hold it.
95 if ( (be = select_backend( ndn )) == NULL ) {
96 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
97 NULL, NULL, default_referral, NULL );
102 /* deref suffix alias if appropriate */
103 ndn = suffix_alias( be, ndn );
105 if ( be->be_compare ) {
106 (*be->be_compare)( be, conn, op, dn, ndn, &ava );
108 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
109 NULL, "Function not implemented", NULL, NULL );