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/*
* Portions Copyright 1998 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Copyright (c) 1990 Regents of the University of Michigan.
* All rights reserved.
*
* compare.c
*/
#ifndef lint
static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
#endif
#include <stdio.h>
#include <string.h>
#ifdef MACOS
#include "macos.h"
#endif /* MACOS */
#if !defined( MACOS ) && !defined( DOS )
#include <sys/types.h>
#include <sys/socket.h>
#endif
#include "lber.h"
#include "ldap.h"
#include "ldap-private.h"
#include "ldap-int.h"
BerElement * ldap_build_compare_req(LDAP *ld, char *dn, char *attr,
struct berval *bvalue, LDAPControl **serverctrls)
{
BerElement *ber;
int rc, rv;
/* The compare request looks like this:
* CompareRequest ::= SEQUENCE {
* entry DistinguishedName,
* ava SEQUENCE {
* type AttributeType,
* value AttributeValue
* }
* }
* and must be wrapped in an LDAPMessage.
*/
/* create a message to send */
if ( (ber = alloc_ber_with_options( ld )) == NULLBER ) {
ld->ld_errno = LDAP_NO_MEMORY;
return( NULLBER );
}
if ( ber_printf( ber, "{it{s{so}}", ++ld->ld_msgid, LDAP_REQ_COMPARE,
dn, attr, bvalue->bv_val, bvalue->bv_len ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULLBER );
}
/* LDAPv3 */
/* Code controls if any */
if (serverctrls && serverctrls[0]) {
if (ldap_controls_code(ber, serverctrls) != LDAP_SUCCESS){
ld->ld_errno = LDAP_ENCODING_ERROR;
return( NULLBER );
}
} else if (ld->ld_srvctrls && ld->ld_srvctrls[0]) {
/* Otherwise, is there any global server ctrls ? */
if (ldap_controls_code(ber, ld->ld_srvctrls) != LDAP_SUCCESS){
ld->ld_errno = LDAP_ENCODING_ERROR;
return( NULLBER );
}
}
if (ber_printf(ber, "}") == -1) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free(ber, 1);
return (NULLBER);
}
return (ber);
}
/*
* ldap_compare - perform an ldap (and X.500) compare operation. The dn
* of the entry to compare to and the attribute and value to compare (in
* attr and value) are supplied. The msgid of the response is returned.
*
* Example:
* ldap_compare( ld, "c=us@cn=bob", "userPassword", "secret" )
*/
int
ldap_compare( LDAP *ld, char *dn, char *attr, char *value )
{
BerElement *ber;
struct berval bv;
int rv;
/* The compare request looks like this:
* CompareRequest ::= SEQUENCE {
* entry DistinguishedName,
* ava SEQUENCE {
* type AttributeType,
* value AttributeValue
* }
* }
* and must be wrapped in an LDAPMessage.
*/
#ifdef _REENTRANT
LOCK_LDAP(ld);
#endif
Debug( LDAP_DEBUG_TRACE, catgets(slapdcat, 1, 128, "ldap_compare\n"), 0, 0, 0 );
bv.bv_val = value;
bv.bv_len = strlen(value);
if ((ber = ldap_build_compare_req(ld, dn, attr, &bv, NULL)) == NULLBER) {
#ifdef _REENTRANT
UNLOCK_LDAP(ld);
#endif
return (-1);
}
#ifndef NO_CACHE
if ( ld->ld_cache != NULL ) {
if ( check_cache( ld, LDAP_REQ_COMPARE, ber ) == 0 ) {
ber_free( ber, 1 );
ld->ld_errno = LDAP_SUCCESS;
#ifdef _REENTRANT
UNLOCK_LDAP(ld);
#endif
return( ld->ld_msgid );
}
add_request_to_cache( ld, LDAP_REQ_COMPARE, ber );
}
#endif /* NO_CACHE */
/* send the message */
rv = send_initial_request( ld, LDAP_REQ_COMPARE, dn, ber );
#ifdef _REENTRANT
UNLOCK_LDAP(ld);
#endif
return (rv);
}
int
ldap_compare_s( LDAP *ld, char *dn, char *attr, char *value )
{
int msgid;
LDAPMessage *res;
if ( (msgid = ldap_compare( ld, dn, attr, value )) == -1 )
return( ld->ld_errno );
if ( ldap_result( ld, msgid, 1, (struct timeval *) NULL, &res ) == -1 )
return( ld->ld_errno );
return( ldap_result2error( ld, res, 1 ) );
}
/* LDAPv3 API extensions */
int ldap_compare_ext(LDAP *ld, char *dn, char *attr, struct berval *bvalue,
LDAPControl ** serverctrls, LDAPControl **clientctrls, int *msgidp)
{
BerElement *ber;
struct berval bv;
int rv;
/* The compare request looks like this:
* CompareRequest ::= SEQUENCE {
* entry DistinguishedName,
* ava SEQUENCE {
* type AttributeType,
* value AttributeValue
* }
* }
* and must be wrapped in an LDAPMessage.
*/
#ifdef _REENTRANT
LOCK_LDAP(ld);
#endif
Debug( LDAP_DEBUG_TRACE, catgets(slapdcat, 1, 128, "ldap_compare\n"), 0, 0, 0 );
if ((ber = ldap_build_compare_req(ld, dn, attr, bvalue, NULL)) == NULLBER) {
rv = ld->ld_errno;
if (rv == LDAP_SUCCESS)
rv = LDAP_OTHER;
#ifdef _REENTRANT
UNLOCK_LDAP(ld);
#endif
return (rv);
}
#ifndef NO_CACHE
if ( ld->ld_cache != NULL ) {
if ( check_cache( ld, LDAP_REQ_COMPARE, ber ) == 0 ) {
ber_free( ber, 1 );
ld->ld_errno = LDAP_SUCCESS;
*msgidp = ld->ld_msgid;
#ifdef _REENTRANT
UNLOCK_LDAP(ld);
#endif
return( LDAP_SUCCESS );
}
add_request_to_cache( ld, LDAP_REQ_COMPARE, ber );
}
#endif /* NO_CACHE */
/* send the message */
rv = send_initial_request( ld, LDAP_REQ_COMPARE, dn, ber );
if (rv == -1) {
rv = ld->ld_errno;
if (rv == LDAP_SUCCESS){
rv = LDAP_OTHER;
}
#ifdef _REENTRANT
UNLOCK_LDAP(ld);
#endif
return (rv);
}
*msgidp = rv;
#ifdef _REENTRANT
UNLOCK_LDAP(ld);
#endif
return (LDAP_SUCCESS);
}
int ldap_compare_ext_s(LDAP *ld, char *dn, char *attr, struct berval *bvalue,
LDAPControl ** serverctrls, LDAPControl **clientctrls)
{
int msgid, retcode = LDAP_SUCCESS;
LDAPMessage *res;
if ( (retcode = ldap_compare_ext( ld, dn, attr, bvalue, serverctrls, clientctrls, &msgid )) != LDAP_SUCCESS )
return( retcode );
if ( ldap_result( ld, msgid, 1, (struct timeval *) NULL, &res ) == -1 )
return( ld->ld_errno );
#ifdef _REENTRANT
LOCK_LDAP(ld);
#endif
retcode = ldap_parse_result( ld, res, &ld->ld_errno, &ld->ld_matched, &ld->ld_error,
&ld->ld_referrals, &ld->ld_ret_ctrls, 1);
if (retcode == LDAP_SUCCESS)
retcode = ld->ld_errno;
#ifdef _REENTRANT
UNLOCK_LDAP(ld);
#endif
return (retcode);
}
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