mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-15 03:01:09 +08:00
89 lines
2.0 KiB
C
89 lines
2.0 KiB
C
/*
|
|
* Copyright (c) 1990 Regents of the University of Michigan.
|
|
* All rights reserved.
|
|
*
|
|
* compare.c
|
|
*/
|
|
|
|
#include "portable.h"
|
|
|
|
#ifndef lint
|
|
static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <ac/socket.h>
|
|
#include <ac/string.h>
|
|
#include <ac/time.h>
|
|
|
|
#include "ldap-int.h"
|
|
|
|
/*
|
|
* 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;
|
|
|
|
/* The compare request looks like this:
|
|
* CompareRequest ::= SEQUENCE {
|
|
* entry DistinguishedName,
|
|
* ava SEQUENCE {
|
|
* type AttributeType,
|
|
* value AttributeValue
|
|
* }
|
|
* }
|
|
* and must be wrapped in an LDAPMessage.
|
|
*/
|
|
|
|
Debug( LDAP_DEBUG_TRACE, "ldap_compare\n", 0, 0, 0 );
|
|
|
|
/* create a message to send */
|
|
if ( (ber = ldap_alloc_ber_with_options( ld )) == NULLBER ) {
|
|
return( -1 );
|
|
}
|
|
|
|
if ( ber_printf( ber, "{it{s{ss}}}", ++ld->ld_msgid, LDAP_REQ_COMPARE,
|
|
dn, attr, value ) == -1 ) {
|
|
ld->ld_errno = LDAP_ENCODING_ERROR;
|
|
ber_free( ber, 1 );
|
|
return( -1 );
|
|
}
|
|
|
|
#ifndef LDAP_NOCACHE
|
|
if ( ld->ld_cache != NULL ) {
|
|
if ( ldap_check_cache( ld, LDAP_REQ_COMPARE, ber ) == 0 ) {
|
|
ber_free( ber, 1 );
|
|
ld->ld_errno = LDAP_SUCCESS;
|
|
return( ld->ld_msgid );
|
|
}
|
|
ldap_add_request_to_cache( ld, LDAP_REQ_COMPARE, ber );
|
|
}
|
|
#endif /* LDAP_NOCACHE */
|
|
|
|
/* send the message */
|
|
return ( ldap_send_initial_request( ld, LDAP_REQ_COMPARE, dn, ber ));
|
|
}
|
|
|
|
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 ) );
|
|
}
|