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