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91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
/*
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* Copyright (c) 1990 Regents of the University of Michigan.
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* All rights reserved.
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*
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* compare.c
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*/
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#include "portable.h"
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#ifndef lint
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static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
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#endif
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#include <stdio.h>
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#include <ac/socket.h>
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#include <ac/string.h>
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#include <ac/time.h>
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#include "lber.h"
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#include "ldap.h"
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#include "ldap-int.h"
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/*
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* ldap_compare - perform an ldap (and X.500) compare operation. The dn
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* of the entry to compare to and the attribute and value to compare (in
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* attr and value) are supplied. The msgid of the response is returned.
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*
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* Example:
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* ldap_compare( ld, "c=us@cn=bob", "userPassword", "secret" )
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*/
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int
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ldap_compare( LDAP *ld, char *dn, char *attr, char *value )
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{
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BerElement *ber;
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/* The compare request looks like this:
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* CompareRequest ::= 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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* and must be wrapped in an LDAPMessage.
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*/
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Debug( LDAP_DEBUG_TRACE, "ldap_compare\n", 0, 0, 0 );
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/* create a message to send */
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if ( (ber = ldap_alloc_ber_with_options( ld )) == NULLBER ) {
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return( -1 );
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}
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if ( ber_printf( ber, "{it{s{ss}}}", ++ld->ld_msgid, LDAP_REQ_COMPARE,
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dn, attr, value ) == -1 ) {
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ld->ld_errno = LDAP_ENCODING_ERROR;
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ber_free( ber, 1 );
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return( -1 );
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}
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#ifndef LDAP_NOCACHE
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if ( ld->ld_cache != NULL ) {
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if ( ldap_check_cache( ld, LDAP_REQ_COMPARE, ber ) == 0 ) {
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ber_free( ber, 1 );
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ld->ld_errno = LDAP_SUCCESS;
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return( ld->ld_msgid );
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}
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ldap_add_request_to_cache( ld, LDAP_REQ_COMPARE, ber );
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}
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#endif /* LDAP_NOCACHE */
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/* send the message */
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return ( ldap_send_initial_request( ld, LDAP_REQ_COMPARE, dn, ber ));
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}
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int
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ldap_compare_s( LDAP *ld, char *dn, char *attr, char *value )
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{
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int msgid;
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LDAPMessage *res;
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if ( (msgid = ldap_compare( ld, dn, attr, value )) == -1 )
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return( ld->ld_errno );
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if ( ldap_result( ld, msgid, 1, (struct timeval *) NULL, &res ) == -1 )
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return( ld->ld_errno );
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return( ldap_result2error( ld, res, 1 ) );
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}
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