497 lines
21 KiB
C
497 lines
21 KiB
C
#include <nt.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "ws2ifsl.h"
|
|
|
|
HANDLE ApcThreadHdl;
|
|
HANDLE ProcessFile;
|
|
|
|
char TestString[]="WS2IFSL";
|
|
|
|
|
|
DWORD WINAPI
|
|
ApcThread (
|
|
PVOID param
|
|
);
|
|
|
|
VOID CALLBACK
|
|
ExitThreadApc (
|
|
DWORD param
|
|
);
|
|
|
|
VOID
|
|
Ws2ifslApc (
|
|
IN PWS2IFSL_APC_REQUEST Request,
|
|
IN PVOID RequestCtx,
|
|
IN PVOID SocketCtx
|
|
);
|
|
|
|
|
|
int _cdecl
|
|
main (
|
|
int argc,
|
|
char *argv[]
|
|
) {
|
|
UCHAR fullEaBuffer[FIELD_OFFSET(FILE_FULL_EA_INFORMATION,
|
|
EaName[WS2IFSL_PROCESS_EA_NAME_LENGTH+1]);
|
|
PFILE_FULL_EA_INFORMATION fileEa;
|
|
OBJECT_ATTRIBUTES fileAttr;
|
|
UNICODE_STRING fileName;
|
|
NTSTATUS status;
|
|
DWORD apcThreadId;
|
|
HANDLE hEvent;
|
|
DWORD rc;
|
|
BOOL res;
|
|
|
|
hEvent = CreateEvent (NULL, TRUE, FALSE, NULL); // manual reset event
|
|
if (hEvent==NULL) {
|
|
printf ("Could not create event.\n");
|
|
return 1;
|
|
}
|
|
|
|
RtlInitUnicodeString (fileName, WS2IFSL_DEVICE_NAME);
|
|
InitializeObjectAttributes (&fileAttr,
|
|
fileName,
|
|
0, // Attributes
|
|
NULL, // Root directory
|
|
NULL); // Security descriptor
|
|
fileEa = (PPFILE_FULL_EA_INFORMATION)fullEaBuffer;
|
|
fileEa->NextOffset = 0;
|
|
fileEa->Flags = 0;
|
|
fileEa->EaNameLength = WS2IFSL_PROCESS_EA_NAME_LENGTH;
|
|
fileEa->EaValueLength = 0;
|
|
strcpy (fileEa->EaName, WS2IFSL_PROCESS_EA_NAME);
|
|
|
|
status = NtCreateFile (&ProcessFile,
|
|
FILE_ALL_ACCESS,
|
|
fileAttr,
|
|
&ioStatus,
|
|
NULL, // Allocation size
|
|
FILE_ATTRIBUTE_NORMAL,
|
|
0, // ShareAccess
|
|
FILE_OPEN_IF, // Create disposition
|
|
0, // Create options
|
|
fullEaBuffer,
|
|
sizeof (fullEaBuffer));
|
|
if (NT_SUCCESS (status)) {
|
|
printf ("Created process file, handle: %lx.\n", ProcessFile);
|
|
|
|
|
|
ApcThreadHdl = CreateThread (NULL,
|
|
0,
|
|
ApcThread,
|
|
hEvent,
|
|
0,
|
|
&apcThreadId);
|
|
if (ApcThreadHdl!=NULL) {
|
|
rc = WaitForSingleObject (hEvent, INFINITE);
|
|
if (rc==WAIT_OBJECT_0) {
|
|
HANDLE socketFile;
|
|
HANDLE hCompletion;
|
|
char TestBuffer[sizeof (TestString)];
|
|
DWORD count, key;
|
|
OVERLAPPED readOVLP, writeOVLP, ctrlOVLP;
|
|
POVERLAPPED ovlp;
|
|
WS2IFSL_SOCKET_CTX socketCtx;
|
|
|
|
fileEa = (PPFILE_FULL_EA_INFORMATION)fullEaBuffer;
|
|
fileEa->NextOffset = 0;
|
|
fileEa->Flags = 0;
|
|
fileEa->EaNameLength = WS2IFSL_SOCKET_EA_NAME_LENGTH;
|
|
fileEa->EaValueLength = 0;
|
|
strcpy (fileEa->EaName, WS2IFSL_SOCKET_EA_NAME);
|
|
|
|
status = NtCreateFile (&socketFile,
|
|
FILE_ALL_ACCESS,
|
|
fileAttr,
|
|
&ioStatus,
|
|
NULL, // Allocation size
|
|
FILE_ATTRIBUTE_NORMAL,
|
|
0, // ShareAccess
|
|
FILE_OPEN_IF, // Create disposition
|
|
0, // Create options
|
|
fullEaBuffer,
|
|
sizeof (fullEaBuffer));
|
|
if (NT_SUCCESS (status)) {
|
|
printf ("Created socket file, handle:%lx\n", socketFile);
|
|
socketCtx.SocketCtx = socketFile;
|
|
socketCtx.ProcessFile = ProcessFile;
|
|
res = DeviceIoControl (socketFile,
|
|
IOCTL_WS2IFSL_SET_SOCKET_CONTEXT,
|
|
&socketCtx,
|
|
sizeof (socketCtx),
|
|
NULL,
|
|
0,
|
|
&count,
|
|
NULL);
|
|
if (res) {
|
|
hCompletion = CreateIoCompletionPort (socketFile,
|
|
NULL,
|
|
1,
|
|
0);
|
|
if (hCompletion!=NULL) {
|
|
memset (TestBuffer, 0, sizeof (TestBuffer));
|
|
readOVLP.hEvent = NULL;
|
|
res = ReadFile (socketFile,
|
|
TestBuffer,
|
|
sizeof (TestBuffer),
|
|
&count,
|
|
&readOVLP);
|
|
if (res || (GetLastError ()==ERROR_IO_PENDING)) {
|
|
writeOVLP.hEvent = NULL;
|
|
res = WriteFile (socketFile,
|
|
TestString,
|
|
sizeof (TestString),
|
|
&count,
|
|
&writeOVLP);
|
|
if (res || (GetLastError ()==ERROR_IO_PENDING)) {
|
|
ctrlOVLP.Internal = STATUS_BUFFER_OVERFLOW;
|
|
ctrlOVLP.InternalHigh = 10;
|
|
ctrlOVLP.hEvent = NULL;
|
|
res = DeviceIoControl (socketFile,
|
|
IOCTL_WS2IFSL_COMPLETE_REQUEST,
|
|
&ctrlOVLP,
|
|
sizeof (IO_STATUS_BLOCK),
|
|
NULL,
|
|
0,
|
|
&count,
|
|
NULL);
|
|
do {
|
|
res = GetQueuedCompletionStatus (hCompletion,
|
|
&count,
|
|
&key,
|
|
&ovlp,
|
|
INFINITE);
|
|
if (ovlp!=NULL) {
|
|
if (ovlp==&readOVLP) {
|
|
printf ("Read completed,"
|
|
"key: %ld, error: %ld, count: %ld, string: %ls.\n",
|
|
key,
|
|
res ? 0 : GetLastError (),
|
|
count,
|
|
TestBuffer);
|
|
done |= 1;
|
|
}
|
|
else if (ovlp==&writeOVLP) {
|
|
printf ("Write completed,"
|
|
"key:%ld, error: %ld, count: %ld.\n",
|
|
key,
|
|
res ? 0 : GetLastError (),
|
|
count);
|
|
done |= 2;
|
|
}
|
|
else if (ovlp==&ctrlOVLP) {
|
|
printf ("Control completed,"
|
|
"key:%ld, error: %ld, count: %ld.\n",
|
|
key,
|
|
res ? 0 : GetLastError (),
|
|
count);
|
|
done |= 4;
|
|
}
|
|
}
|
|
else {
|
|
prinf ("GetQueuedCompletionStatus failed, error %ld.\n",
|
|
GetLastError ());
|
|
break;
|
|
}
|
|
}
|
|
while (done!=7);
|
|
}
|
|
else {
|
|
printf ("Write failed, error: %ld.\n", GetLastError ());
|
|
}
|
|
}
|
|
else {
|
|
printf ("Read failed, error: %ld.\n", GetLastError ());
|
|
}
|
|
CloseHandle (hCompletion);
|
|
}
|
|
else {
|
|
printf ("Could not create completion port, error %ld.\n",
|
|
GetLastError ());
|
|
}
|
|
}
|
|
else {
|
|
printf ("IOCTL_WS2IFSL_SET_SOCKET_CONTEXT failed, error: %ld.\n",
|
|
GetLastError ());
|
|
}
|
|
|
|
NtClose (socketFile);
|
|
|
|
}
|
|
else {
|
|
printf ("Could not create socket file, status:%lx\n", status);
|
|
}
|
|
|
|
}
|
|
else {
|
|
printf ("Wait for event failed, rc=%lx, error=%ld.\n",
|
|
rc, GetLastError ());
|
|
}
|
|
|
|
QueueUserAPC (ExitThreadApc, ApcThreadHdl, 0);
|
|
WaitForSingleObject (ApcThreadHdl, INFINITE);
|
|
CloseHandle (ApcThreadHdl);
|
|
}
|
|
else {
|
|
printf ("Could not create thread.\n");
|
|
}
|
|
NtClose (ProcessFile);
|
|
}
|
|
CloseHandle (hEvent);
|
|
}
|
|
|
|
|
|
DWORD WINAPI
|
|
ApcThread (
|
|
PVOID param
|
|
) {
|
|
WS2IFSL_APC_REQUEST ApcRequest;
|
|
WS2IFSL_THREAD_CTX threadCtx;
|
|
HANDLE hEvent = (HANDLE)param;
|
|
BOOL res;
|
|
OVERLAPPED ovlp;
|
|
|
|
threadCtx.ApcThreadHdl = ApcThreadHdl;
|
|
threadCtx.ApcRoutine = Ws2ifslApc;
|
|
ovlp.hEvent = NULL;
|
|
res = DeviceIoControl (socketFile,
|
|
IOCTL_WS2IFSL_SET_THREAD_CONTEXT,
|
|
&threadCtx,
|
|
sizeof (threadCtx),
|
|
&ApcRequest,
|
|
sizeof (ApcRequest),
|
|
&count,
|
|
&ovlp);
|
|
SetEvent (hEvent);
|
|
if (!res && (GetLastError ()==ERROR_IO_PEDNING) {
|
|
printf ("ApcThread: going into sleep mode....\n");
|
|
while (TRUE)
|
|
SleepEx (INIFINITE, TRUE);
|
|
}
|
|
else
|
|
printf ("IOCTL_WS2IFSL_SET_THREAD_CONTEXT returned: %ld (status: %lx).\n",
|
|
res ? 0 : GetLastError (), ovlp.Internal);
|
|
return 0;
|
|
}
|
|
|
|
|
|
VOID CALLBACK
|
|
ExitThreadApc (
|
|
DWORD param
|
|
) {
|
|
ExitThread (param);
|
|
}
|
|
|
|
|
|
typedef struct _PENDING_REQUEST {
|
|
HANDLE SocketCtx;
|
|
PVOID RequestCtx;
|
|
PVOID Buffer;
|
|
ULONG Length;
|
|
} PENDING_REQUEST, *PPENDING_REQUEST;
|
|
|
|
PPENDING_REQUEST ReadRequest, WriteRequest;
|
|
|
|
|
|
VOID
|
|
Ws2ifslApc (
|
|
IN PWS2IFSL_APC_REQUEST Request,
|
|
IN PVOID RequestCtx,
|
|
IN PVOID SocketCtx
|
|
) {
|
|
IO_STATUS_BLOCK IoStatus;
|
|
DWORD count;
|
|
|
|
switch (Request->request) {
|
|
case WS2IFSL_APC_REQUEST_READ:
|
|
printf ("Processing read request, buffer: %lx, length: %ld, request %lx, context:%lx.",
|
|
Request->Read.Buffer,
|
|
Request->Read.Length,
|
|
RequestCtx,
|
|
SocketCtx);
|
|
if (WriteRequest!=NULL) {
|
|
if (WriteRequest->Length<=Request->Read.Length) {
|
|
memcpy (Request->Read.Buffer, WriteRequest.Buffer, WriteRequest.Length);
|
|
IoStatus.Status = STATUS_SUCCESS;
|
|
IoStatus.Information = WriteRequest.Length;
|
|
}
|
|
else {
|
|
memcpy (Request->Read.Buffer, WriteRequest.Buffer, Request.Read.Length);
|
|
IoStatus.Status = STATUS_BUFFER_OVERFLOW;
|
|
IoStatus.Information = Request.Read.Length;
|
|
}
|
|
res = DeviceIoControl ((HANDLE)WriteRequest->SocketCtx,
|
|
IOCTL_WS2IFSL_COMPLETE_REQUEST,
|
|
&IoStatus,
|
|
sizeof (IoStatus),
|
|
WriteRequest->RequestCtx,
|
|
0,
|
|
&count,
|
|
NULL);
|
|
if (res)
|
|
printf ("Completed write request, buffer %lx, count %ld, status %lx.\n",
|
|
WriteRequest->Buffer, IoStatus.Information, IoStatus.Status);
|
|
else
|
|
printf ("IOCTL_WS2IFSL_COMPLETE_REQUEST failed, error %ld\n", GetLastError ());
|
|
free (WriteRequest);
|
|
WriteRequest = NULL;
|
|
}
|
|
else if (ReadRequest==NULL) {
|
|
ReadRequest = (PPENDING_REQUEST)malloc (sizeof (PENDING_REQUEST));
|
|
if (ReadRequest!=NULL) {
|
|
ReadRequest->SocketCtx = SocketCtx;
|
|
ReadRequest->RequestCtx = RequestCtx;
|
|
ReadRequest->Buffer = Request->Read.Buffer;
|
|
ReadRequest->Length = Request->Read.Length;
|
|
printf ("Pended read request.\n");
|
|
break;
|
|
}
|
|
else {
|
|
IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
|
|
IoStatus.Information = 0;
|
|
}
|
|
}
|
|
else {
|
|
IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
|
|
IoStatus.Information = 0;
|
|
}
|
|
res = DeviceIoControl ((HANDLE)SocketCtx,
|
|
IOCTL_WS2IFSL_COMPLETE_REQUEST,
|
|
&IoStatus,
|
|
sizeof (IoStatus),
|
|
RequestCtx,
|
|
0,
|
|
&count,
|
|
NULL);
|
|
if (res)
|
|
printf ("Completed read request, buffer %lx, count %ld, status %lx.\n",
|
|
Request->Read.Buffer, IoStatus.Information, IoStatus.Status);
|
|
else
|
|
printf ("IOCTL_WS2IFSL_COMPLETE_REQUEST failed, error %ld\n", GetLastError ());
|
|
break;
|
|
case WS2IFSL_APC_REQUEST_WRITE:
|
|
printf ("Processing write request, buffer: %lx, length: %ld, request %lx, context:%lx.",
|
|
Request->Write.Buffer,
|
|
Request->Write.Length,
|
|
RequestCtx,
|
|
SocketCtx);
|
|
if (ReadRequest!=NULL) {
|
|
if (ReadRequest->Length>=Request->Write.Length) {
|
|
memcpy (ReadRequest->Buffer, Request->Write.Buffer, Request->Write.Length);
|
|
IoStatus.Status = STATUS_SUCCESS;
|
|
IoStatus.Information = Request->Write.Length;
|
|
}
|
|
else {
|
|
memcpy (ReadRequest->Buffer, Request->Write.Buffer, ReadRequest->Length);
|
|
IoStatus.Status = STATUS_BUFFER_OVERFLOW;
|
|
IoStatus.Information = ReadRequest->Length;
|
|
}
|
|
res = DeviceIoControl ((HANDLE)ReadRequest->SocketCtx,
|
|
IOCTL_WS2IFSL_COMPLETE_REQUEST,
|
|
&IoStatus,
|
|
sizeof (IoStatus),
|
|
ReadRequest->RequestCtx,
|
|
0,
|
|
&count,
|
|
NULL);
|
|
if (res)
|
|
printf ("Completed read request, buffer %lx, count %ld, status %lx.\n",
|
|
ReadRequest->Buffer, IoStatus.Information, IoStatus.Status);
|
|
else
|
|
printf ("IOCTL_WS2IFSL_COMPLETE_REQUEST failed, error %ld\n", GetLastError ());
|
|
free (ReadRequest);
|
|
ReadRequest = NULL;
|
|
}
|
|
else if (WriteRequest==NULL) {
|
|
WriteRequest = (PPENDING_REQUEST)malloc (sizeof (PENDING_REQUEST));
|
|
if (WriteRequest!=NULL) {
|
|
WriteRequest->SocketCtx = SocketCtx;
|
|
WriteRequest->RequestCtx = RequestCtx;
|
|
WriteRequest->Buffer = Request->Write.Buffer;
|
|
WriteRequest->Length = Request->Write.Length;
|
|
printf ("Pended write request.\n");
|
|
break;
|
|
}
|
|
else {
|
|
IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
|
|
IoStatus.Information = 0;
|
|
}
|
|
}
|
|
else {
|
|
IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
|
|
IoStatus.Information = 0;
|
|
}
|
|
res = DeviceIoControl ((HANDLE)SocketCtx,
|
|
IOCTL_WS2IFSL_COMPLETE_REQUEST,
|
|
&IoStatus,
|
|
sizeof (IoStatus),
|
|
RequestCtx,
|
|
0,
|
|
&count,
|
|
NULL);
|
|
if (res)
|
|
printf ("Completed write request, buffer %lx, count %ld, status %lx.\n",
|
|
Request->Read.Buffer, IoStatus.Information, IoStatus.Status);
|
|
else
|
|
printf ("IOCTL_WS2IFSL_COMPLETE_REQUEST failed, error %ld\n", GetLastError ());
|
|
break;
|
|
case WS2IFSL_APC_REQUEST_CLOSE:
|
|
printf ("Processing close request: %lx, context:%lx.",
|
|
RequestCtx,
|
|
SocketCtx);
|
|
if ((WriteRequest!=NULL) && (WriteRequest->RequestCtx==RequestCtx)) {
|
|
IoStatus.Status = STATUS_CANCELLED;
|
|
IoStatus.Information = 0;
|
|
res = DeviceIoControl ((HANDLE)WriteRequest->SocketCtx,
|
|
IOCTL_WS2IFSL_COMPLETE_REQUEST,
|
|
&IoStatus,
|
|
sizeof (IoStatus),
|
|
WriteRequest->RequestCtx,
|
|
0,
|
|
&count,
|
|
NULL);
|
|
if (res)
|
|
printf ("Completed write request, buffer %lx, count %ld, status %lx.\n",
|
|
WriteRequest->Buffer, IoStatus.Information, IoStatus.Status);
|
|
else
|
|
printf ("IOCTL_WS2IFSL_COMPLETE_REQUEST failed, error %ld\n", GetLastError ());
|
|
}
|
|
|
|
if ((ReadRequest!=NULL) && (ReadRequest->RequestCtx==RequestCtx)) {
|
|
IoStatus.Status = STATUS_CANCELLED;
|
|
IoStatus.Information = 0;
|
|
res = DeviceIoControl ((HANDLE)ReadRequest->SocketCtx,
|
|
IOCTL_WS2IFSL_COMPLETE_REQUEST,
|
|
&IoStatus,
|
|
sizeof (IoStatus),
|
|
ReadRequest->RequestCtx,
|
|
0,
|
|
&count,
|
|
NULL);
|
|
if (res)
|
|
printf ("Completed read request, buffer %lx, count %ld, status %lx.\n",
|
|
ReadRequest->Buffer, IoStatus.Information, IoStatus.Status);
|
|
else
|
|
printf ("IOCTL_WS2IFSL_COMPLETE_REQUEST failed, error %ld\n", GetLastError ());
|
|
}
|
|
IoStatus.Status = STATUS_SUCCESS;
|
|
IoStatus.Information = 0;
|
|
res = DeviceIoControl ((HANDLE)SocketCtx,
|
|
IOCTL_WS2IFSL_COMPLETE_REQUEST,
|
|
&IoStatus,
|
|
sizeof (IoStatus),
|
|
RequestCtx,
|
|
0,
|
|
&count,
|
|
NULL);
|
|
if (res)
|
|
printf ("Completed close request, status %lx.\n", IoStatus.Status);
|
|
else
|
|
printf ("IOCTL_WS2IFSL_COMPLETE_REQUEST failed, error %ld\n", GetLastError ());
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
} |