mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-27 03:20:22 +08:00
402 lines
8.3 KiB
C
402 lines
8.3 KiB
C
/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 1998-2014 The OpenLDAP Foundation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/stdlib.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 "ldap-int.h"
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#include "ldap_log.h"
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/*
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* LDAPv3 Extended Operation Request
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* ExtendedRequest ::= [APPLICATION 23] SEQUENCE {
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* requestName [0] LDAPOID,
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* requestValue [1] OCTET STRING OPTIONAL
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* }
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*
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* LDAPv3 Extended Operation Response
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* ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
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* COMPONENTS OF LDAPResult,
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* responseName [10] LDAPOID OPTIONAL,
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* response [11] OCTET STRING OPTIONAL
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* }
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*
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* (Source RFC 4511)
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*/
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int
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ldap_extended_operation(
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LDAP *ld,
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LDAP_CONST char *reqoid,
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struct berval *reqdata,
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LDAPControl **sctrls,
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LDAPControl **cctrls,
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int *msgidp )
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{
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BerElement *ber;
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int rc;
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ber_int_t id;
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Debug( LDAP_DEBUG_TRACE, "ldap_extended_operation\n", 0, 0, 0 );
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assert( ld != NULL );
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assert( LDAP_VALID( ld ) );
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assert( reqoid != NULL && *reqoid != '\0' );
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assert( msgidp != NULL );
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/* must be version 3 (or greater) */
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if ( ld->ld_version < LDAP_VERSION3 ) {
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ld->ld_errno = LDAP_NOT_SUPPORTED;
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return( ld->ld_errno );
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}
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/* create a message to send */
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if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
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ld->ld_errno = LDAP_NO_MEMORY;
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return( ld->ld_errno );
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}
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LDAP_NEXT_MSGID( ld, id );
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if ( reqdata != NULL ) {
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rc = ber_printf( ber, "{it{tstON}", /* '}' */
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id, LDAP_REQ_EXTENDED,
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LDAP_TAG_EXOP_REQ_OID, reqoid,
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LDAP_TAG_EXOP_REQ_VALUE, reqdata );
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} else {
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rc = ber_printf( ber, "{it{tsN}", /* '}' */
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id, LDAP_REQ_EXTENDED,
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LDAP_TAG_EXOP_REQ_OID, reqoid );
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}
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if( rc == -1 ) {
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ld->ld_errno = LDAP_ENCODING_ERROR;
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ber_free( ber, 1 );
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return( ld->ld_errno );
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}
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/* Put Server Controls */
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if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
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ber_free( ber, 1 );
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return ld->ld_errno;
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}
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if ( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
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ld->ld_errno = LDAP_ENCODING_ERROR;
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ber_free( ber, 1 );
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return( ld->ld_errno );
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}
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/* send the message */
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*msgidp = ldap_send_initial_request( ld, LDAP_REQ_EXTENDED, NULL, ber, id );
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return( *msgidp < 0 ? ld->ld_errno : LDAP_SUCCESS );
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}
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int
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ldap_extended_operation_s(
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LDAP *ld,
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LDAP_CONST char *reqoid,
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struct berval *reqdata,
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LDAPControl **sctrls,
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LDAPControl **cctrls,
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char **retoidp,
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struct berval **retdatap )
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{
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int rc;
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int msgid;
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LDAPMessage *res;
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Debug( LDAP_DEBUG_TRACE, "ldap_extended_operation_s\n", 0, 0, 0 );
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assert( ld != NULL );
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assert( LDAP_VALID( ld ) );
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assert( reqoid != NULL && *reqoid != '\0' );
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rc = ldap_extended_operation( ld, reqoid, reqdata,
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sctrls, cctrls, &msgid );
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if ( rc != LDAP_SUCCESS ) {
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return( rc );
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}
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if ( ldap_result( ld, msgid, LDAP_MSG_ALL, (struct timeval *) NULL, &res ) == -1 || !res ) {
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return( ld->ld_errno );
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}
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if ( retoidp != NULL ) *retoidp = NULL;
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if ( retdatap != NULL ) *retdatap = NULL;
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rc = ldap_parse_extended_result( ld, res, retoidp, retdatap, 0 );
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if( rc != LDAP_SUCCESS ) {
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ldap_msgfree( res );
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return rc;
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}
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return( ldap_result2error( ld, res, 1 ) );
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}
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/* Parse an extended result */
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int
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ldap_parse_extended_result (
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LDAP *ld,
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LDAPMessage *res,
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char **retoidp,
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struct berval **retdatap,
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int freeit )
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{
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BerElement *ber;
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ber_tag_t rc;
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ber_tag_t tag;
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ber_len_t len;
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struct berval *resdata;
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ber_int_t errcode;
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char *resoid;
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assert( ld != NULL );
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assert( LDAP_VALID( ld ) );
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assert( res != NULL );
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Debug( LDAP_DEBUG_TRACE, "ldap_parse_extended_result\n", 0, 0, 0 );
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if( ld->ld_version < LDAP_VERSION3 ) {
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ld->ld_errno = LDAP_NOT_SUPPORTED;
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return ld->ld_errno;
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}
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if( res->lm_msgtype != LDAP_RES_EXTENDED ) {
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ld->ld_errno = LDAP_PARAM_ERROR;
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return ld->ld_errno;
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}
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if( retoidp != NULL ) *retoidp = NULL;
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if( retdatap != NULL ) *retdatap = NULL;
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if ( ld->ld_error ) {
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LDAP_FREE( ld->ld_error );
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ld->ld_error = NULL;
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}
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if ( ld->ld_matched ) {
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LDAP_FREE( ld->ld_matched );
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ld->ld_matched = NULL;
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}
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ber = ber_dup( res->lm_ber );
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if ( ber == NULL ) {
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ld->ld_errno = LDAP_NO_MEMORY;
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return ld->ld_errno;
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}
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rc = ber_scanf( ber, "{eAA" /*}*/, &errcode,
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&ld->ld_matched, &ld->ld_error );
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if( rc == LBER_ERROR ) {
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ld->ld_errno = LDAP_DECODING_ERROR;
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ber_free( ber, 0 );
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return ld->ld_errno;
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}
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resoid = NULL;
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resdata = NULL;
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tag = ber_peek_tag( ber, &len );
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if( tag == LDAP_TAG_REFERRAL ) {
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/* skip over referral */
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if( ber_scanf( ber, "x" ) == LBER_ERROR ) {
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ld->ld_errno = LDAP_DECODING_ERROR;
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ber_free( ber, 0 );
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return ld->ld_errno;
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}
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tag = ber_peek_tag( ber, &len );
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}
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if( tag == LDAP_TAG_EXOP_RES_OID ) {
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/* we have a resoid */
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if( ber_scanf( ber, "a", &resoid ) == LBER_ERROR ) {
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ld->ld_errno = LDAP_DECODING_ERROR;
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ber_free( ber, 0 );
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return ld->ld_errno;
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}
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assert( resoid[ 0 ] != '\0' );
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tag = ber_peek_tag( ber, &len );
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}
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if( tag == LDAP_TAG_EXOP_RES_VALUE ) {
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/* we have a resdata */
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if( ber_scanf( ber, "O", &resdata ) == LBER_ERROR ) {
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ld->ld_errno = LDAP_DECODING_ERROR;
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ber_free( ber, 0 );
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if( resoid != NULL ) LDAP_FREE( resoid );
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return ld->ld_errno;
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}
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}
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ber_free( ber, 0 );
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if( retoidp != NULL ) {
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*retoidp = resoid;
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} else {
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LDAP_FREE( resoid );
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}
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if( retdatap != NULL ) {
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*retdatap = resdata;
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} else {
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ber_bvfree( resdata );
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}
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ld->ld_errno = errcode;
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if( freeit ) {
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ldap_msgfree( res );
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}
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return LDAP_SUCCESS;
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}
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/* Parse an extended partial */
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int
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ldap_parse_intermediate (
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LDAP *ld,
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LDAPMessage *res,
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char **retoidp,
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struct berval **retdatap,
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LDAPControl ***serverctrls,
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int freeit )
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{
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BerElement *ber;
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ber_tag_t tag;
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ber_len_t len;
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struct berval *resdata;
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char *resoid;
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assert( ld != NULL );
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assert( LDAP_VALID( ld ) );
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assert( res != NULL );
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Debug( LDAP_DEBUG_TRACE, "ldap_parse_intermediate\n", 0, 0, 0 );
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if( ld->ld_version < LDAP_VERSION3 ) {
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ld->ld_errno = LDAP_NOT_SUPPORTED;
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return ld->ld_errno;
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}
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if( res->lm_msgtype != LDAP_RES_INTERMEDIATE ) {
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ld->ld_errno = LDAP_PARAM_ERROR;
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return ld->ld_errno;
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}
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if( retoidp != NULL ) *retoidp = NULL;
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if( retdatap != NULL ) *retdatap = NULL;
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if( serverctrls != NULL ) *serverctrls = NULL;
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ber = ber_dup( res->lm_ber );
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if ( ber == NULL ) {
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ld->ld_errno = LDAP_NO_MEMORY;
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return ld->ld_errno;
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}
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tag = ber_scanf( ber, "{" /*}*/ );
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if( tag == LBER_ERROR ) {
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ld->ld_errno = LDAP_DECODING_ERROR;
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ber_free( ber, 0 );
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return ld->ld_errno;
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}
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resoid = NULL;
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resdata = NULL;
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tag = ber_peek_tag( ber, &len );
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/*
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* NOTE: accept intermediate and extended response tag values
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* as older versions of slapd(8) incorrectly used extended
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* response tags.
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* Should be removed when 2.2 is moved to Historic.
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*/
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if( tag == LDAP_TAG_IM_RES_OID || tag == LDAP_TAG_EXOP_RES_OID ) {
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/* we have a resoid */
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if( ber_scanf( ber, "a", &resoid ) == LBER_ERROR ) {
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ld->ld_errno = LDAP_DECODING_ERROR;
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ber_free( ber, 0 );
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return ld->ld_errno;
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}
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assert( resoid[ 0 ] != '\0' );
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tag = ber_peek_tag( ber, &len );
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}
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if( tag == LDAP_TAG_IM_RES_VALUE || tag == LDAP_TAG_EXOP_RES_VALUE ) {
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/* we have a resdata */
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if( ber_scanf( ber, "O", &resdata ) == LBER_ERROR ) {
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ld->ld_errno = LDAP_DECODING_ERROR;
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ber_free( ber, 0 );
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if( resoid != NULL ) LDAP_FREE( resoid );
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return ld->ld_errno;
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}
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}
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if ( serverctrls == NULL ) {
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ld->ld_errno = LDAP_SUCCESS;
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goto free_and_return;
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}
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if ( ber_scanf( ber, /*{*/ "}" ) == LBER_ERROR ) {
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ld->ld_errno = LDAP_DECODING_ERROR;
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goto free_and_return;
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}
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ld->ld_errno = ldap_pvt_get_controls( ber, serverctrls );
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free_and_return:
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ber_free( ber, 0 );
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if( retoidp != NULL ) {
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*retoidp = resoid;
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} else {
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LDAP_FREE( resoid );
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}
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if( retdatap != NULL ) {
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*retdatap = resdata;
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} else {
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ber_bvfree( resdata );
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}
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if( freeit ) {
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ldap_msgfree( res );
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}
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return ld->ld_errno;
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}
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