+/* $OpenLDAP$ */
/*
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
+/* Portions
* Copyright (c) 1990 Regents of the University of Michigan.
* All rights reserved.
*
* compare.c
*/
-#include "portable.h"
+/* The compare request looks like this:
+ * CompareRequest ::= SEQUENCE {
+ * entry DistinguishedName,
+ * ava SEQUENCE {
+ * type AttributeType,
+ * value AttributeValue
+ * }
+ * }
+ */
-#ifndef lint
-static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
-#endif
+#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/time.h>
-#include "lber.h"
-#include "ldap.h"
#include "ldap-int.h"
/*
- * ldap_compare - perform an ldap (and X.500) compare operation. The dn
+ * ldap_compare_ext - perform an ldap extended 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" )
+ * struct berval bvalue = { "secret", sizeof("secret")-1 };
+ * rc = ldap_compare( ld, "c=us@cn=bob",
+ * "userPassword", &bvalue,
+ * sctrl, cctrl, &msgid )
*/
int
-ldap_compare( LDAP *ld, char *dn, char *attr, char *value )
+ldap_compare_ext(
+ LDAP *ld,
+ LDAP_CONST char *dn,
+ LDAP_CONST char *attr,
+ struct berval *bvalue,
+ LDAPControl **sctrls,
+ LDAPControl **cctrls,
+ int *msgidp )
{
+ int rc;
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 );
+ assert( ld != NULL );
+ assert( LDAP_VALID( ld ) );
+ assert( dn != NULL );
+ assert( attr != NULL );
+ assert( msgidp != NULL );
+
+ /* check client controls */
+ rc = ldap_int_client_controls( ld, cctrls );
+ if( rc != LDAP_SUCCESS ) return rc;
+
/* create a message to send */
- if ( (ber = ldap_alloc_ber_with_options( ld )) == NULLBER ) {
- return( -1 );
+ if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
+ return( LDAP_NO_MEMORY );
+ }
+
+ if ( ber_printf( ber, "{it{s{sON}N}", /* '}' */
+ ++ld->ld_msgid,
+ LDAP_REQ_COMPARE, dn, attr, bvalue ) == -1 )
+ {
+ ld->ld_errno = LDAP_ENCODING_ERROR;
+ ber_free( ber, 1 );
+ return( ld->ld_errno );
}
- if ( ber_printf( ber, "{it{s{ss}}}", ++ld->ld_msgid, LDAP_REQ_COMPARE,
- dn, attr, value ) == -1 ) {
+ /* Put Server Controls */
+ if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
+ ber_free( ber, 1 );
+ return ld->ld_errno;
+ }
+
+ if( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
- return( -1 );
+ return( ld->ld_errno );
}
-#ifndef NO_CACHE
+#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 );
+ *msgidp = ld->ld_msgid;
+ return( ld->ld_errno );
}
ldap_add_request_to_cache( ld, LDAP_REQ_COMPARE, ber );
}
-#endif /* NO_CACHE */
+#endif /* LDAP_NOCACHE */
/* send the message */
- return ( ldap_send_initial_request( ld, LDAP_REQ_COMPARE, dn, ber ));
+ *msgidp = ldap_send_initial_request( ld, LDAP_REQ_COMPARE, dn, ber );
+ return ( *msgidp < 0 ? ld->ld_errno : LDAP_SUCCESS );
+}
+
+/*
+ * ldap_compare_ext - perform an ldap extended 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:
+ * msgid = ldap_compare( ld, "c=us@cn=bob", "userPassword", "secret" )
+ */
+int
+ldap_compare(
+ LDAP *ld,
+ LDAP_CONST char *dn,
+ LDAP_CONST char *attr,
+ LDAP_CONST char *value )
+{
+ int msgid;
+ struct berval bvalue;
+
+ bvalue.bv_val = (char *) value;
+ bvalue.bv_len = (value == NULL) ? 0 : strlen( value );
+
+ return ldap_compare_ext( ld, dn, attr, &bvalue, NULL, NULL, &msgid ) == LDAP_SUCCESS
+ ? msgid : -1;
}
int
-ldap_compare_s( LDAP *ld, char *dn, char *attr, char *value )
+ldap_compare_ext_s(
+ LDAP *ld,
+ LDAP_CONST char *dn,
+ LDAP_CONST char *attr,
+ struct berval *bvalue,
+ LDAPControl **sctrl,
+ LDAPControl **cctrl )
{
+ int rc;
int msgid;
LDAPMessage *res;
- if ( (msgid = ldap_compare( ld, dn, attr, value )) == -1 )
- return( ld->ld_errno );
+ rc = ldap_compare_ext( ld, dn, attr, bvalue, sctrl, cctrl, &msgid );
+
+ if ( rc != LDAP_SUCCESS )
+ return( rc );
if ( ldap_result( ld, msgid, 1, (struct timeval *) NULL, &res ) == -1 )
return( ld->ld_errno );
return( ldap_result2error( ld, res, 1 ) );
}
+
+int
+ldap_compare_s(
+ LDAP *ld,
+ LDAP_CONST char *dn,
+ LDAP_CONST char *attr,
+ LDAP_CONST char *value )
+{
+ struct berval bvalue;
+
+ bvalue.bv_val = (char *) value;
+ bvalue.bv_len = (value == NULL) ? 0 : strlen( value );
+
+ return ldap_compare_ext_s( ld, dn, attr, &bvalue, NULL, NULL );
+}