Sweden-Number/dlls/dhcpcsvc/dhcpcsvc.c

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/*
* Copyright 2011 Stefan Leichter
* Copyright 2019 Hans Leidekker for CodeWeavers
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*
* 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 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "dhcpcsdk.h"
#include "winioctl.h"
#include "winternl.h"
#include "ws2def.h"
#include "ws2ipdef.h"
#include "iphlpapi.h"
#include "netioapi.h"
#define WINE_MOUNTMGR_EXTENSIONS
#include "ddk/mountmgr.h"
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#include "wine/debug.h"
#include "wine/heap.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dhcpcsvc);
void WINAPI DhcpCApiCleanup(void)
{
FIXME(": stub\n");
}
DWORD WINAPI DhcpCApiInitialize(LPDWORD version)
{
*version = 2; /* 98, XP, and 8 */
FIXME(": stub\n");
return ERROR_SUCCESS;
}
static DWORD get_adapter_luid( const WCHAR *adapter, NET_LUID *luid )
{
UNICODE_STRING ustr;
NTSTATUS status;
GUID guid;
if (adapter[0] == '{')
{
RtlInitUnicodeString( &ustr, adapter );
status = RtlGUIDFromString( &ustr, &guid );
if (!status) return ConvertInterfaceGuidToLuid( &guid, luid );
}
return ConvertInterfaceNameToLuidW( adapter, luid );
}
DWORD WINAPI DhcpRequestParams( DWORD flags, void *reserved, WCHAR *adapter, DHCPCAPI_CLASSID *class_id,
DHCPCAPI_PARAMS_ARRAY send_params, DHCPCAPI_PARAMS_ARRAY recv_params, BYTE *buf,
DWORD *buflen, WCHAR *request_id )
{
struct mountmgr_dhcp_request_params *query;
DWORD i, size, err;
BYTE *src, *dst;
NET_LUID luid;
HANDLE mgr;
TRACE( "(%08x, %p, %s, %p, %u, %u, %p, %p, %s)\n", flags, reserved, debugstr_w(adapter), class_id,
send_params.nParams, recv_params.nParams, buf, buflen, debugstr_w(request_id) );
if (!adapter || !buflen) return ERROR_INVALID_PARAMETER;
if (flags != DHCPCAPI_REQUEST_SYNCHRONOUS) FIXME( "unsupported flags %08x\n", flags );
if ((err = get_adapter_luid( adapter, &luid ))) return err;
for (i = 0; i < send_params.nParams; i++)
FIXME( "send option %u not supported\n", send_params.Params->OptionId );
mgr = CreateFileW( MOUNTMGR_DOS_DEVICE_NAME, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, 0, 0 );
if (mgr == INVALID_HANDLE_VALUE) return GetLastError();
size = FIELD_OFFSET(struct mountmgr_dhcp_request_params, params[recv_params.nParams]) + *buflen;
if (!(query = heap_alloc_zero( size )))
{
err = ERROR_OUTOFMEMORY;
goto done;
}
for (i = 0; i < recv_params.nParams; i++) query->params[i].id = recv_params.Params[i].OptionId;
query->count = recv_params.nParams;
query->adapter = luid;
if (!DeviceIoControl( mgr, IOCTL_MOUNTMGR_QUERY_DHCP_REQUEST_PARAMS, query, size, query, size, NULL, NULL ))
{
err = GetLastError();
if (err == ERROR_MORE_DATA) *buflen = query->size - (size - *buflen);
goto done;
}
dst = buf;
for (i = 0; i < query->count; i++)
{
if (buf)
{
recv_params.Params[i].OptionId = query->params[i].id;
recv_params.Params[i].IsVendor = FALSE; /* FIXME */
if (query->params[i].size)
{
src = (BYTE *)query + query->params[i].offset;
memcpy( dst, src, query->params[i].size );
recv_params.Params[i].Data = dst;
recv_params.Params[i].nBytesData = query->params[i].size;
}
else
{
recv_params.Params[i].Data = NULL;
recv_params.Params[i].nBytesData = 0;
}
}
dst += query->params[i].size;
}
*buflen = dst - buf;
err = ERROR_SUCCESS;
done:
heap_free( query );
CloseHandle( mgr );
return err;
}