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/*
   Unix SMB/CIFS implementation.

   Winbind client API

   Copyright (C) Gerald (Jerry) Carter 2007


   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 3 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/* Required Headers */

#include "libwbclient.h"

/* From wb_common.c */

NSS_STATUS winbindd_request_response(int req_type,
				     struct winbindd_request *request,
				     struct winbindd_response *response);

/** @brief Wrapper around Winbind's send/receive API call
 *
 * @param cmd       Winbind command operation to perform
 * @param request   Send structure
 * @param response  Receive structure
 *
 * @return #wbcErr
 **/

/**********************************************************************
 result == NSS_STATUS_UNAVAIL: winbind not around
 result == NSS_STATUS_NOTFOUND: winbind around, but domain missing

 Due to a bad API NSS_STATUS_NOTFOUND is returned both when winbind_off
 and when winbind return WINBINDD_ERROR. So the semantics of this
 routine depends on winbind_on. Grepping for winbind_off I just
 found 3 places where winbind is turned off, and this does not conflict
 (as far as I have seen) with the callers of is_trusted_domains.

 --Volker
**********************************************************************/

wbcErr wbcRequestResponse(int cmd,
			  struct winbindd_request *request,
			  struct winbindd_response *response)
{
	wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
	NSS_STATUS nss_status;

	if (!request || !response) {
		wbc_status = WBC_ERR_INVALID_PARAM;
		BAIL_ON_WBC_ERROR(wbc_status);
	}


	nss_status = winbindd_request_response(cmd, request, response);

	switch (nss_status) {
	case NSS_STATUS_SUCCESS:
		wbc_status = WBC_ERR_SUCCESS;
		break;
	case NSS_STATUS_UNAVAIL:
		wbc_status = WBC_ERR_WINBIND_NOT_AVAILABLE;
		break;
	case NSS_STATUS_NOTFOUND:
		wbc_status = WBC_ERR_DOMAIN_NOT_FOUND;
		break;
	default:
		wbc_status = WBC_ERR_NSS_ERROR;
		break;
	}

done:
	return wbc_status;
}

/** @brief Free library allocated memory
 *
 * @param *p Pointer to free
 *
 * @return void
 **/

void wbcFreeMemory(void *p)
{
	if (p)
		talloc_free(p);

	return;
}