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https://git.openldap.org/openldap/openldap.git
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118 lines
3.0 KiB
C
118 lines
3.0 KiB
C
/* $OpenLDAP$ */
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/*
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* Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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/*
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* Copyright (c) 1995 Regents of the University of Michigan.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and that due credit is given
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* to the University of Michigan at Ann Arbor. The name of the University
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission. This software
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* is provided ``as is'' without express or implied warranty.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/socket.h>
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#include "ldap_pvt.h"
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#include "slap.h"
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int
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do_compare(
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Connection *conn,
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Operation *op
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)
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{
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char *dn = NULL, *ndn=NULL;
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Ava ava;
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Backend *be;
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int rc = LDAP_SUCCESS;
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Debug( LDAP_DEBUG_TRACE, "do_compare\n", 0, 0, 0 );
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if( op->o_bind_in_progress ) {
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Debug( LDAP_DEBUG_ANY, "do_compare: SASL bind in progress.\n",
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0, 0, 0 );
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send_ldap_result( conn, op, LDAP_SASL_BIND_IN_PROGRESS,
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NULL, "SASL bind in progress", NULL, NULL );
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return LDAP_SASL_BIND_IN_PROGRESS;
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}
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/*
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* Parse the compare request. It looks like this:
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*
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* CompareRequest := [APPLICATION 14] SEQUENCE {
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* entry DistinguishedName,
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* ava SEQUENCE {
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* type AttributeType,
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* value AttributeValue
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* }
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* }
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*/
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if ( ber_scanf( op->o_ber, "{a{ao}}", &dn, &ava.ava_type,
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&ava.ava_value ) == LBER_ERROR ) {
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Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
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send_ldap_disconnect( conn, op,
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LDAP_PROTOCOL_ERROR, "decoding error" );
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return -1;
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}
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ndn = ch_strdup( dn );
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if( dn_normalize( ndn ) == NULL ) {
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Debug( LDAP_DEBUG_ANY, "do_compare: invalid dn (%s)\n", dn, 0, 0 );
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send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
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"invalid DN", NULL, NULL );
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goto cleanup;
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}
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if( ( rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_ANY, "do_compare: get_ctrls failed\n", 0, 0, 0 );
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goto cleanup;
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}
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value_normalize( ava.ava_value.bv_val, attr_syntax( ava.ava_type ) );
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Debug( LDAP_DEBUG_ARGS, "do_compare: dn (%s) attr (%s) value (%s)\n",
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dn, ava.ava_type, ava.ava_value.bv_val );
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Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d CMP dn=\"%s\" attr=\"%s\"\n",
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op->o_connid, op->o_opid, dn, ava.ava_type, 0 );
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/*
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* We could be serving multiple database backends. Select the
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* appropriate one, or send a referral to our "referral server"
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* if we don't hold it.
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*/
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if ( (be = select_backend( ndn )) == NULL ) {
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send_ldap_result( conn, op, rc = LDAP_REFERRAL,
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NULL, NULL, default_referral, NULL );
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rc = 1;
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goto cleanup;
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}
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/* deref suffix alias if appropriate */
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ndn = suffix_alias( be, ndn );
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if ( be->be_compare ) {
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(*be->be_compare)( be, conn, op, dn, ndn, &ava );
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} else {
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send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
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NULL, "Function not implemented", NULL, NULL );
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}
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cleanup:
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free( dn );
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free( ndn );
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ava_free( &ava, 0 );
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return rc;
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}
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