[UMPNPMGR] Improve some DPRINTS and PNP_CreateKey
[reactos.git] / dll / win32 / iphlpapi / iphlpapi_reactos.c
1 /*
2 * PROJECT: ReactOS Networking
3 * LICENSE: GPL - See COPYING in the top level directory
4 * FILE: dll/win32/iphlpapi/iphlpapi_reactos.c
5 * PURPOSE: DHCP helper functions for ReactOS
6 * PROGRAMMERS: Pierre Schweitzer <pierre@reactos.org>
7 */
8
9 #include "iphlpapi_private.h"
10
11 WINE_DEFAULT_DEBUG_CHANNEL(iphlpapi);
12
13 DWORD TCPSendIoctl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, PULONG pInBufferSize, LPVOID lpOutBuffer, PULONG pOutBufferSize)
14 {
15 BOOL Hack = FALSE;
16 HANDLE Event;
17 IO_STATUS_BLOCK IoStatusBlock;
18 NTSTATUS Status;
19
20 /* FIXME: We don't have a global handle opened to \Device\Ip, so open one each time
21 * we need. In a future, it would be cool, just to pass it to TCPSendIoctl using the first arg
22 */
23 if (hDevice == INVALID_HANDLE_VALUE)
24 {
25 UNICODE_STRING DevName = RTL_CONSTANT_STRING(L"\\Device\\Ip");
26 OBJECT_ATTRIBUTES ObjectAttributes;
27
28 FIXME("Using the handle hack\n");
29 Hack = TRUE;
30
31 InitializeObjectAttributes(&ObjectAttributes,
32 &DevName,
33 OBJ_CASE_INSENSITIVE,
34 NULL,
35 NULL);
36
37 Status = NtCreateFile(&hDevice, GENERIC_EXECUTE, &ObjectAttributes,
38 &IoStatusBlock, 0, FILE_ATTRIBUTE_NORMAL, FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_OPEN_IF,
39 0, NULL, 0);
40 if (!NT_SUCCESS(Status))
41 {
42 return RtlNtStatusToDosError(Status);
43 }
44 }
45
46 /* Sync event */
47 Event = CreateEventW(NULL, TRUE, FALSE, NULL);
48 if (Event == NULL)
49 {
50 /* FIXME: See upper */
51 if (Hack)
52 {
53 CloseHandle(hDevice);
54 }
55 return GetLastError();
56 }
57
58 /* Reinit, and call the networking stack */
59 IoStatusBlock.Status = STATUS_SUCCESS;
60 IoStatusBlock.Information = 0;
61 Status = NtDeviceIoControlFile(hDevice, Event, NULL, NULL, &IoStatusBlock, dwIoControlCode, lpInBuffer, *pInBufferSize, lpOutBuffer, *pOutBufferSize);
62 if (Status == STATUS_PENDING)
63 {
64 NtWaitForSingleObject(Event, FALSE, NULL);
65 Status = IoStatusBlock.Status;
66 }
67
68 /* Close & return size info */
69 CloseHandle(Event);
70 *pOutBufferSize = IoStatusBlock.Information;
71
72 /* FIXME: See upper */
73 if (Hack)
74 {
75 CloseHandle(hDevice);
76 }
77
78 /* Return result */
79 if (!NT_SUCCESS(Status))
80 {
81 return RtlNtStatusToDosError(Status);
82 }
83
84 return ERROR_SUCCESS;
85 }