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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2014 Nexenta Systems, Inc. All rights reserved.
*/
/*
* MS-compatible Directory Server Discovery API, DsGetDC...()
*/
#include <stdlib.h>
#include <string.h>
#include <smb/nterror.h>
#include <smb/ntstatus.h>
#include <arpa/inet.h>
#include "dsgetdc.h"
#include "ads_priv.h"
#include <assert.h>
#define DSGETDC_VALID_FLAGS ( \
DS_FORCE_REDISCOVERY | \
DS_DIRECTORY_SERVICE_REQUIRED | \
DS_DIRECTORY_SERVICE_PREFERRED | \
DS_GC_SERVER_REQUIRED | \
DS_PDC_REQUIRED | \
DS_BACKGROUND_ONLY | \
DS_IP_REQUIRED | \
DS_KDC_REQUIRED | \
DS_TIMESERV_REQUIRED | \
DS_WRITABLE_REQUIRED | \
DS_GOOD_TIMESERV_PREFERRED | \
DS_AVOID_SELF | \
DS_ONLY_LDAP_NEEDED | \
DS_IS_FLAT_NAME | \
DS_IS_DNS_NAME | \
DS_RETURN_FLAT_NAME | \
DS_RETURN_DNS_NAME)
static struct timeval TIMEOUT = { 15, 0 };
/*
* The Windows version of this would return a single allocation,
* where any strings pointed to in the returned structure would be
* stored in space following the top-level returned structure.
* This allows NetApiBufferFree() to be the same as free().
*
* However, we don't have an easy way to do that right now, so
* the dcinfo returned here will be free'd with DsFreeDcInfo().
*/
uint32_t
_DsGetDcName(const char *ComputerName,
const char *DomainName, const struct uuid *DomainGuid,
const char *SiteName, uint32_t Flags,
DOMAIN_CONTROLLER_INFO **dcinfo)
{
DsGetDcNameArgs args;
DsGetDcNameRes res;
CLIENT *clnt = NULL;
enum clnt_stat clstat;
*dcinfo = NULL;
(void) memset(&args, 0, sizeof (args));
(void) memset(&res, 0, sizeof (res));
/*
* Later check for over constrained optional args here,
* and return (ERROR_INVALID_PARAMETER);
*/
if (Flags & ~DSGETDC_VALID_FLAGS)
return (ERROR_INVALID_FLAGS);
/*
* Call the ADS deamon.
*/
clnt = clnt_door_create(ADSPRIV_PROGRAM, ADSPRIV_V1, ADSPRIV_MAX_XFER);
if (clnt == NULL)
return (RPC_S_NOT_LISTENING);
args.ComputerName = (char *)ComputerName;
args.DomainName = (char *)DomainName;
if (DomainGuid != NULL)
(void) memcpy(&args.DomainGuid, DomainGuid,
sizeof (args.DomainGuid));
args.SiteName = (char *)SiteName;
args.Flags = Flags;
clstat = clnt_call(clnt, ADSPRIV_GetDcName,
(xdrproc_t)xdr_DsGetDcNameArgs, (caddr_t)&args,
(xdrproc_t)xdr_DsGetDcNameRes, (caddr_t)&res, TIMEOUT);
clnt_destroy(clnt);
if (clstat != RPC_SUCCESS)
return (RPC_S_CALL_FAILED);
if (res.status != 0)
return (res.status);
*dcinfo = malloc(sizeof (**dcinfo));
if (*dcinfo == NULL)
return (ERROR_NOT_ENOUGH_MEMORY);
/*
* We have taken pains to make these two the same.
* DOMAIN_CONTROLLER_INFO / struct adspriv_dcinfo
*/
/* LINTED E_TRUE_LOGICAL_EXPR */
assert(sizeof (**dcinfo) == sizeof (res.DsGetDcNameRes_u.res0));
(void) memcpy(*dcinfo, &res.DsGetDcNameRes_u.res0, sizeof (**dcinfo));
/*
* NB: Do NOT xdr_free the result, because we're
* returning a copy of it to the caller.
*/
return (0);
}
int
DsGetDcName(const char *ComputerName,
const char *DomainName, const struct uuid *DomainGuid,
const char *SiteName, uint32_t Flags,
DOMAIN_CONTROLLER_INFO **dcinfo)
{
uint32_t status;
int rc;
status = _DsGetDcName(ComputerName, DomainName, DomainGuid,
SiteName, Flags, dcinfo);
switch (status) {
case 0:
rc = 0;
break;
case NT_STATUS_NO_SUCH_DOMAIN: /* Specified domain unknown */
case NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND:
case NT_STATUS_CANT_WAIT: /* or gave up waiting. */
case NT_STATUS_INVALID_SERVER_STATE: /* not in domain mode. */
rc = ERROR_NO_SUCH_DOMAIN;
break;
default:
rc = ERROR_INTERNAL_ERROR;
break;
}
return (rc);
}
void
DsFreeDcInfo(DOMAIN_CONTROLLER_INFO *dci)
{
if (dci != NULL) {
xdr_free(xdr_DsGetDcNameRes, (char *)dci);
free(dci);
}
}
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