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86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
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/*
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* PROJECT: ReactOS Networking
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: dll/win32/iphlpapi/iphlpapi_reactos.c
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* PURPOSE: DHCP helper functions for ReactOS
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* PROGRAMMERS: Pierre Schweitzer <pierre@reactos.org>
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*/
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#include "iphlpapi_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(iphlpapi);
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DWORD TCPSendIoctl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, PULONG pInBufferSize, LPVOID lpOutBuffer, PULONG pOutBufferSize)
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{
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BOOL Hack = FALSE;
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HANDLE Event;
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IO_STATUS_BLOCK IoStatusBlock;
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NTSTATUS Status;
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/* FIXME: We don't have a global handle opened to \Device\Ip, so open one each time
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* we need. In a future, it would be cool, just to pass it to TCPSendIoctl using the first arg
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*/
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if (hDevice == INVALID_HANDLE_VALUE)
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{
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UNICODE_STRING DevName = RTL_CONSTANT_STRING(L"\\Device\\Ip");
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OBJECT_ATTRIBUTES ObjectAttributes;
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FIXME("Using the handle hack\n");
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Hack = TRUE;
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InitializeObjectAttributes(&ObjectAttributes,
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&DevName,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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Status = NtCreateFile(&hDevice, GENERIC_EXECUTE, &ObjectAttributes,
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&IoStatusBlock, 0, FILE_ATTRIBUTE_NORMAL, FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_OPEN_IF,
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0, NULL, 0);
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if (!NT_SUCCESS(Status))
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{
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return RtlNtStatusToDosError(Status);
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}
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}
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/* Sync event */
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Event = CreateEventW(NULL, TRUE, FALSE, NULL);
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if (Event == NULL)
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{
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/* FIXME: See upper */
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if (Hack)
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{
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CloseHandle(hDevice);
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}
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return GetLastError();
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}
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/* Reinit, and call the networking stack */
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IoStatusBlock.Status = STATUS_SUCCESS;
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IoStatusBlock.Information = 0;
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Status = NtDeviceIoControlFile(hDevice, Event, NULL, NULL, &IoStatusBlock, dwIoControlCode, lpInBuffer, *pInBufferSize, lpOutBuffer, *pOutBufferSize);
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if (Status == STATUS_PENDING)
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{
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NtWaitForSingleObject(Event, FALSE, NULL);
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Status = IoStatusBlock.Status;
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}
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/* Close & return size info */
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CloseHandle(Event);
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*pOutBufferSize = IoStatusBlock.Information;
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/* FIXME: See upper */
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if (Hack)
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{
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CloseHandle(hDevice);
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}
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/* Return result */
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if (!NT_SUCCESS(Status))
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{
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return RtlNtStatusToDosError(Status);
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}
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return ERROR_SUCCESS;
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}
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