/*
 *  Unix SMB/CIFS implementation.
 *  NetApi GetDC Support
 *  Copyright (C) Guenther Deschner 2007
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#include "includes.h"

#include "librpc/gen_ndr/libnetapi.h"
#include "lib/netapi/netapi.h"
#include "lib/netapi/netapi_private.h"
#include "lib/netapi/libnetapi.h"
#include "libnet/libnet.h"

/********************************************************************
********************************************************************/

WERROR NetGetDCName_l(struct libnetapi_ctx *ctx,
		      struct NetGetDCName *r)
{
	return WERR_NOT_SUPPORTED;
}

/********************************************************************
********************************************************************/

WERROR NetGetDCName_r(struct libnetapi_ctx *ctx,
		      struct NetGetDCName *r)
{
	struct cli_state *cli = NULL;
	struct rpc_pipe_client *pipe_cli = NULL;
	NTSTATUS status;
	WERROR werr;

	werr = libnetapi_open_ipc_connection(ctx, r->in.server_name, &cli);
	if (!W_ERROR_IS_OK(werr)) {
		goto done;
	}

	werr = libnetapi_open_pipe(ctx, cli, PI_NETLOGON, &pipe_cli);
	if (!W_ERROR_IS_OK(werr)) {
		goto done;
	}

	status = rpccli_netr_GetDcName(pipe_cli, ctx,
				       r->in.server_name,
				       r->in.domain_name,
				       (const char **)r->out.buffer,
				       &werr);

	if (!NT_STATUS_IS_OK(status)) {
		werr = ntstatus_to_werror(status);
	}

 done:

	return werr;
}

/********************************************************************
********************************************************************/

WERROR NetGetAnyDCName_l(struct libnetapi_ctx *ctx,
			 struct NetGetAnyDCName *r)
{
	return WERR_NOT_SUPPORTED;
}

/********************************************************************
********************************************************************/

WERROR NetGetAnyDCName_r(struct libnetapi_ctx *ctx,
			 struct NetGetAnyDCName *r)
{
	struct cli_state *cli = NULL;
	struct rpc_pipe_client *pipe_cli = NULL;
	NTSTATUS status;
	WERROR werr;

	werr = libnetapi_open_ipc_connection(ctx, r->in.server_name, &cli);
	if (!W_ERROR_IS_OK(werr)) {
		goto done;
	}

	werr = libnetapi_open_pipe(ctx, cli, PI_NETLOGON, &pipe_cli);
	if (!W_ERROR_IS_OK(werr)) {
		goto done;
	}

	status = rpccli_netr_GetAnyDCName(pipe_cli, ctx,
					  r->in.server_name,
					  r->in.domain_name,
					  (const char **)r->out.buffer,
					  &werr);
	if (!NT_STATUS_IS_OK(status)) {
		goto done;
	}
 done:

	return werr;

}

/********************************************************************
********************************************************************/

WERROR DsGetDcName_l(struct libnetapi_ctx *ctx,
		     struct DsGetDcName *r)
{
	NTSTATUS status;

	status = dsgetdcname(ctx,
			     NULL,
			     r->in.domain_name,
			     r->in.domain_guid,
			     r->in.site_name,
			     r->in.flags,
			     (struct netr_DsRGetDCNameInfo **)r->out.dc_info);
	if (!NT_STATUS_IS_OK(status)) {
		libnetapi_set_error_string(ctx,
			"failed to find DC: %s",
			get_friendly_nt_error_msg(status));
	}

	return ntstatus_to_werror(status);
}

/********************************************************************
********************************************************************/

WERROR DsGetDcName_r(struct libnetapi_ctx *ctx,
		     struct DsGetDcName *r)
{
	WERROR werr;
	NTSTATUS status = NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
	struct cli_state *cli = NULL;
	struct rpc_pipe_client *pipe_cli = NULL;

	werr = libnetapi_open_ipc_connection(ctx, r->in.server_name, &cli);
	if (!W_ERROR_IS_OK(werr)) {
		goto done;
	}

	werr = libnetapi_open_pipe(ctx, cli, PI_NETLOGON, &pipe_cli);
	if (!W_ERROR_IS_OK(werr)) {
		goto done;
	}

	status = rpccli_netr_DsRGetDCName(pipe_cli,
					  ctx,
					  r->in.server_name,
					  r->in.domain_name,
					  r->in.domain_guid,
					  NULL,
					  r->in.flags,
					  (struct netr_DsRGetDCNameInfo **)r->out.dc_info,
					  &werr);
	if (!NT_STATUS_IS_OK(status)) {
		werr = ntstatus_to_werror(status);
		goto done;
	}

 done:
	return werr;
}
