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reactos/drivers/filesystems/udfs/Include/env_spec_w32.cpp
Victor Perevertkin 34593d933b
[FORMATTING][NTOS][HAL][DRIVERS][SDK] Fix trailing spaces
2021-06-11 15:33:08 +03:00

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////////////////////////////////////////////////////////////////////
// Copyright (C) Alexander Telyatnikov, Ivan Keliukh, Yegor Anchishkin, SKIF Software, 1999-2013. Kiev, Ukraine
// All rights reserved
// This file was released under the GPLv2 on June 2015.
////////////////////////////////////////////////////////////////////
#ifndef UDF_FORMAT_MEDIA
ULONG LockMode = 0;
BOOLEAN opt_invalidate_volume = FALSE;
#endif //UDF_FORMAT_MEDIA
#ifndef CDRW_W32
#ifndef UDF_FORMAT_MEDIA
BOOLEAN open_as_device = FALSE;
#endif //UDF_FORMAT_MEDIA
#ifdef USE_SKIN_MODEL
PSKIN_API SkinAPI = NULL;
PSKIN_API
SkinLoad(
PWCHAR path,
HINSTANCE hInstance, // handle to current instance
HINSTANCE hPrevInstance, // handle to previous instance
int nCmdShow // show state
)
{
HMODULE hm;
PSKIN_API Skin;
PSKIN_API (__stdcall *SkinInit) (VOID);
hm = LoadLibraryW(path);
if(!hm)
return NULL;
SkinInit = (PSKIN_API(__stdcall *)(void))GetProcAddress(hm, "SkinInit");
if(!SkinInit)
return NULL;
Skin = SkinInit();
if(!Skin)
return NULL;
Skin->Init(hInstance, hPrevInstance, nCmdShow);
return Skin;
}
#endif //USE_SKIN_MODEL
#ifdef _BROWSE_UDF_
#ifndef LIBUDF
extern PVCB Vcb;
#endif // LIBUDF
#endif //_BROWSE_UDF_
#ifdef LIBUDF
#define _lphUdf ((PUDF_VOL_HANDLE_I)(DeviceObject->lpContext))
#endif //LIBUDF
#ifdef LIBUDFFMT
#define _lphUdf (DeviceObject->cbio)
#endif //LIBUDFFMT
#ifndef CDRW_W32
NTSTATUS
UDFPhSendIOCTL(
IN ULONG IoControlCode,
IN PDEVICE_OBJECT DeviceObject,
IN PVOID InputBuffer ,
IN ULONG InputBufferLength,
OUT PVOID OutputBuffer ,
IN ULONG OutputBufferLength,
IN BOOLEAN OverrideVerify,
OUT PVOID Iosb OPTIONAL
)
{
ULONG real_read;
#if !defined(LIBUDF) && !defined(LIBUDFFMT)
ULONG ret;
ULONG RC = DeviceIoControl(DeviceObject->h,IoControlCode,
InputBuffer,InputBufferLength,
OutputBuffer,OutputBufferLength,
&real_read,NULL);
if (!RC) {
ret = GetLastError();
}
return RC ? 1 : -1;
#else // LIBUDF
ULONG RC = _lphUdf->lpIOCtlFunc(_lphUdf->lpParameter,IoControlCode,
InputBuffer,InputBufferLength,
OutputBuffer,OutputBufferLength,
&real_read);
return RC;
#endif // LIBUDF
} // end UDFPhSendIOCTL()
NTSTATUS
UDFPhReadSynchronous(
PDEVICE_OBJECT DeviceObject, // the physical device object
PVOID Buffer,
ULONG Length,
LONGLONG Offset,
PULONG ReadBytes,
ULONG Flags
)
{
#if !defined(LIBUDF) && !defined(LIBUDFFMT)
NTSTATUS RC;
// UDFPrint(("UDFPhRead: Length: %x Lba: %lx\n",Length>>0xb,Offset>>0xb));
LONG HiOffs = (ULONG)(Offset >> 32);
RC = SetFilePointer(DeviceObject->h,(ULONG)Offset,&HiOffs,FILE_BEGIN);
if(RC == INVALID_SET_FILE_POINTER) {
if(GetLastError() != NO_ERROR) {
UDFPrint(("UDFPhReadSynchronous: error %x\n", GetLastError()));
return STATUS_END_OF_FILE;
}
}
RC = ReadFile(DeviceObject->h,Buffer,Length,ReadBytes,NULL);
if(NT_SUCCESS(RC) &&
(!(*ReadBytes))) {
RC = GetLastError();
return STATUS_END_OF_FILE;
}
return STATUS_SUCCESS;
#else // LIBUDF
return _lphUdf->lpReadFunc(_lphUdf->lpParameter,
Buffer,
Length,
Offset,
ReadBytes);
#endif //defined LIBUDF || defined LIBUDFFMT
} // end UDFPhReadSynchronous()
NTSTATUS
UDFPhWriteSynchronous(
PDEVICE_OBJECT DeviceObject, // the physical device object
PVOID Buffer,
ULONG Length,
LONGLONG Offset,
PULONG WrittenBytes,
ULONG Flags
)
{
#if !defined(LIBUDF) && !defined(LIBUDFFMT)
NTSTATUS RC = STATUS_SUCCESS;
LONG HiOffs = (ULONG)(Offset >> 32);
PVOID Buffer2 = NULL;
PVOID Buffer3 = NULL;
RC = SetFilePointer(DeviceObject->h,(ULONG)Offset,&HiOffs,FILE_BEGIN);
if(RC == INVALID_SET_FILE_POINTER) {
if(GetLastError() != NO_ERROR) {
UDFPrint(("UDFPhWriteSynchronous: error %x\n", GetLastError()));
return STATUS_END_OF_FILE;
}
}
Buffer2 = ExAllocatePool(NonPagedPool, Length+0x10000);
Buffer3 = (PVOID)( ((ULONG)Buffer2 + 0xffff) & ~0xffff);
RtlCopyMemory(Buffer3, Buffer, Length);
RC = WriteFile(DeviceObject->h,Buffer3,Length,WrittenBytes,NULL);
if(!RC ||
!(*WrittenBytes)) {
RC = GetLastError();
UDFPrint(("UDFPhWriteSynchronous: EOF, error %x\n", RC));
RC = STATUS_END_OF_FILE;
} else {
RC = STATUS_SUCCESS;
}
if(Buffer2) ExFreePool(Buffer2);
return RC;
#else // LIBUDF
return _lphUdf->lpWriteFunc(_lphUdf->lpParameter,
Buffer,
Length,
Offset,
WrittenBytes);
#endif // LIBUDF
} // end UDFPhWriteSynchronous()
#if 0
NTSTATUS
UDFPhWriteVerifySynchronous(
PDEVICE_OBJECT DeviceObject, // the physical device object
PVOID Buffer,
ULONG Length,
LONGLONG Offset,
PULONG WrittenBytes,
ULONG Flags
)
{
NTSTATUS RC;
PUCHAR v_buff = NULL;
ULONG ReadBytes;
RC = UDFPhWriteSynchronous(DeviceObject, Buffer, Length, Offset, WrittenBytes, 0);
if(!Verify)
return RC;
v_buff = (PUCHAR)DbgAllocatePool(NonPagedPool, Length);
if(!v_buff)
return RC;
RC = UDFPhSendIOCTL( IOCTL_CDRW_SYNC_CACHE, DeviceObject,
NULL,0, NULL,0, FALSE, NULL);
RC = UDFPhReadSynchronous(DeviceObject, v_buff, Length, Offset, &ReadBytes, 0);
if(!NT_SUCCESS(RC)) {
BrutePoint();
DbgFreePool(v_buff);
return RC;
}
if(RtlCompareMemory(v_buff, Buffer, ReadBytes) == Length) {
DbgFreePool(v_buff);
return RC;
}
BrutePoint();
DbgFreePool(v_buff);
return STATUS_LOST_WRITEBEHIND_DATA;
} // end UDFPhWriteVerifySynchronous()
#endif
VOID
set_image_size(
HANDLE h,
// ULONG LBA)
int64 len)
{
LONG offh = (ULONG)(len >> 32);
//( (LONGLONG)LBA >> (32-Vcb->BlockSizeBits) );
SetFilePointer((HANDLE)h, (ULONG)(len /*(LBA << Vcb->BlockSizeBits)*/ ), &offh, FILE_BEGIN);
SetEndOfFile(h);
offh = 0;
SetFilePointer((HANDLE)h, 0, &offh, FILE_BEGIN);
} // end set_image_size()
int64
get_file_size(
HANDLE h
)
{
LONG hsz = 0;
LONG lsz;
lsz = SetFilePointer(h, 0, &hsz, FILE_END);
return (((int64)hsz) << 32) | lsz;
} // end get_file_size()
int64
set_file_pointer(
HANDLE h,
int64 sz
)
{
ULONG hsz = (ULONG)(sz >> 32);
ULONG lsz = (ULONG)sz;
lsz = SetFilePointer(h, lsz, (PLONG)&hsz, FILE_BEGIN);
return (((int64)hsz) << 32) | lsz;
} // end set_file_pointer()
#endif //CDRW_W32
#ifndef LIBUDF
#ifndef UDF_FORMAT_MEDIA
ULONG
write(
PVCB Vcb,
HANDLE h,
PCHAR buff,
ULONG len)
{
ULONG written;
LONG offh = 0;
ULONG offl = SetFilePointer((HANDLE)h, 0, &offh, FILE_CURRENT);
// ULONG Lba = (ULONG)((((LONGLONG)offh << 32) + offl) >> Vcb->BlockSizeBits);
UDFWriteData(Vcb, FALSE, (((LONGLONG)offh)<<32)+offl, len, FALSE, buff, &written);
SetFilePointer((HANDLE)h, offl, &offh, FILE_BEGIN);
offh = 0;
SetFilePointer((HANDLE)h, written, &offh, FILE_CURRENT);
return written;
} // end write()
#endif //UDF_FORMAT_MEDIA
#endif // LIBUDF
#endif //CDRW_W32
#ifdef NT_NATIVE_MODE
BOOL
Privilege(
LPTSTR pszPrivilege,
BOOL bEnable
)
{
#ifndef NT_NATIVE_MODE
HANDLE hToken;
TOKEN_PRIVILEGES tp;
// obtain the token, first check the thread and then the process
if (!OpenThreadToken(GetCurrentThread(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, TRUE, &hToken)) {
if (GetLastError() == ERROR_NO_TOKEN) {
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken)) {
return FALSE;
}
} else {
return FALSE;
}
}
// get the luid for the privilege
if (!LookupPrivilegeValue(NULL, pszPrivilege, &tp.Privileges[0].Luid)) {
CloseHandle(hToken);
return FALSE;
}
tp.PrivilegeCount = 1;
if (bEnable)
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
else
tp.Privileges[0].Attributes = 0;
// enable or disable the privilege
if (!AdjustTokenPrivileges(hToken, FALSE, &tp, 0, (PTOKEN_PRIVILEGES)NULL, 0)) {
CloseHandle(hToken);
return FALSE;
}
if (!CloseHandle(hToken))
return FALSE;
#endif //NT_NATIVE_MODE
return TRUE;
} // end Privilege()
#endif //NT_NATIVE_MODE
#ifndef LIBUDF
extern "C"
ULONG
MyLockVolume(
HANDLE h,
ULONG* pLockMode // OUT
)
{
ULONG RC;
ULONG returned;
(*pLockMode) = -1;
#ifndef CDRW_W32
RC = DeviceIoControl(h,IOCTL_UDF_LOCK_VOLUME_BY_PID,NULL,0,NULL,0,&returned,NULL);
if(RC) {
(*pLockMode) = IOCTL_UDF_LOCK_VOLUME_BY_PID;
return STATUS_SUCCESS;
}
#endif //CDRW_W32
RC = DeviceIoControl(h,FSCTL_LOCK_VOLUME,NULL,0,NULL,0,&returned,NULL);
if(RC) {
(*pLockMode) = FSCTL_LOCK_VOLUME;
return STATUS_SUCCESS;
}
return STATUS_UNSUCCESSFUL;
} // MyLockVolume()
extern "C"
ULONG
MyUnlockVolume(
HANDLE h,
ULONG* pLockMode // IN
)
{
ULONG returned;
#ifndef CDRW_W32
if((*pLockMode) == IOCTL_UDF_LOCK_VOLUME_BY_PID) {
return DeviceIoControl(h,IOCTL_UDF_UNLOCK_VOLUME_BY_PID,NULL,0,NULL,0,&returned,NULL);
}
#endif //CDRW_W32
return DeviceIoControl(h,FSCTL_UNLOCK_VOLUME,NULL,0,NULL,0,&returned,NULL);
} // MyUnlockVolume()
void
my_retrieve_vol_type(
#ifndef CDRW_W32
PVCB Vcb,
#endif
PWCHAR fn
)
{
#ifndef CDRW_W32
if(wcslen(fn) == 2 && fn[1] == ':') {
ULONG DevType = GetDriveTypeW(fn);
UDFPrint((" DevType %x\n", DevType));
switch(DevType) {
case DRIVE_CDROM:
Vcb->PhDeviceType = FILE_DEVICE_CD_ROM;
break;
default:
Vcb->PhDeviceType = FILE_DEVICE_DISK;
break;
}
}
if(wcslen(fn) == 2 && fn[1] == ';') {
UserPrint(("Warrning: File name is similar to drive letter.\n"
" Don't you type semicolon ';' instead of colon ':' ?\n"));
}
#endif //CDRW_W32
} // end my_retrieve_vol_type()
#ifdef NT_NATIVE_MODE
#define GetLastError() ((ULONG)(-1))
#endif //NT_NATIVE_MODE
#define MAX_INVALIDATE_VOLUME_RETRY 8
extern "C"
HANDLE
my_open(
#ifndef CDRW_W32
PVCB Vcb,
#endif
PWCHAR fn
)
{
HANDLE h/*, h2*/;
WCHAR deviceNameBuffer[0x200];
WCHAR FSNameBuffer[0x200];
// CCHAR RealDeviceName[0x200];
// WCHAR DeviceName[MAX_PATH+1];
ULONG RC;
ULONG retry;
ULONG i;
BOOLEAN CantLock = FALSE;
PULONG pLockMode;
#ifdef NT_NATIVE_MODE
IO_STATUS_BLOCK ioStatus;
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING uniFilename;
#endif //NT_NATIVE_MODE
ULONG returned;
#ifndef CDRW_W32
#ifdef UDF_FORMAT_MEDIA
PUDFFmtState fms = Vcb->fms;
fms->
#endif
open_as_device = TRUE;
#endif //CDRW_W32
pLockMode = &
#ifdef UDF_FORMAT_MEDIA
fms->
#endif
LockMode;
// make several retries to workaround smart applications,
// those attempts to work with volume immediately after arrival
retry = 1 +
#ifdef UDF_FORMAT_MEDIA
fms->
#endif
opt_invalidate_volume ? 0 : MAX_INVALIDATE_VOLUME_RETRY;
#ifndef NT_NATIVE_MODE
swprintf(deviceNameBuffer, L"%ws\\", fn);
UDFPrint(("my_open: %S\n", fn));
i = sizeof(FSNameBuffer)/sizeof(FSNameBuffer[0]);
if(GetVolumeInformationW(deviceNameBuffer, NULL, 0,
&returned, &returned, &returned, FSNameBuffer, i)) {
UDFPrint(("my_open: FS: %S\n", FSNameBuffer));
if(!wcscmp(FSNameBuffer, L"Unknown")) {
retry++;
}
} else {
UDFPrint(("my_open: FS: ???\n"));
}
UDFPrint(("my_open: retry %d times\n", retry));
#endif //NT_NATIVE_MODE
do {
// open as device
#ifndef NT_NATIVE_MODE
swprintf(deviceNameBuffer, L"\\\\.\\%ws", fn);
if(wcslen(fn) == 2 && fn[1] == ';') {
UserPrint(("Warrning: File name is similar to drive letter.\n"
" Don't you type semicolon ';' instead of colon ':' ?\n"));
}
h = (HANDLE)(-1);
for(i=0; i<4; i++) {
if(h == ((HANDLE)-1)) {
h = CreateFileW(deviceNameBuffer, GENERIC_READ | GENERIC_WRITE,
((i & 1) ? 0 : FILE_SHARE_READ) | ((i & 2) ? 0 : FILE_SHARE_WRITE),
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
if(h != ((HANDLE)-1)) {
UDFPrint((" opened i=%x\n", i));
}
}
}
#else //NT_NATIVE_MODE
uniFilename.Length = swprintf(deviceNameBuffer, L"\\??\\%ws", fn);
uniFilename.Buffer = deviceNameBuffer;
uniFilename.Length *= sizeof(WCHAR);
uniFilename.MaximumLength = uniFilename.Length + sizeof(WCHAR);
h = (HANDLE)(-1);
for(i=0; i<4; i++) {
InitializeObjectAttributes(&ObjectAttributes, &uniFilename, OBJ_CASE_INSENSITIVE, NULL, NULL);
if(h == ((HANDLE)-1)) {
RC = NtCreateFile(&h,
GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE | FILE_READ_ATTRIBUTES,
&ObjectAttributes,
&ioStatus,
NULL,
FILE_ATTRIBUTE_NORMAL,
((i & 1) ? 0 : FILE_SHARE_READ) | ((i & 2) ? 0 : FILE_SHARE_WRITE),
FILE_OPEN,
FILE_SYNCHRONOUS_IO_NONALERT | FILE_COMPLETE_IF_OPLOCKED | FILE_WRITE_THROUGH | FILE_NO_INTERMEDIATE_BUFFERING,
NULL,
0);
if(!NT_SUCCESS(RC)) {
UDFPrint((" opened i2=%x\n", i));
h = ((HANDLE)-1);
}
}
}
#endif //NT_NATIVE_MODE
if(h != ((HANDLE)-1)) {
#ifndef CDRW_W32
#ifdef UDF_FORMAT_MEDIA
if(fms->opt_flush || fms->opt_probe) {
return h;
}
#endif //UDF_FORMAT_MEDIA
my_retrieve_vol_type(Vcb, fn);
#else
my_retrieve_vol_type(fn);
#endif //CDRW_W32
if(!NT_SUCCESS(MyLockVolume(h,pLockMode))) {
#ifndef CDRW_W32
if(retry < MAX_INVALIDATE_VOLUME_RETRY) {
retry++;
if(!Privilege(SE_TCB_NAME, TRUE)) {
UDFPrint(("SE_TCB privilege not held\n"));
} else
if(DeviceIoControl(h,FSCTL_INVALIDATE_VOLUMES,&h,sizeof(h),NULL,0,&returned,NULL) ) {
UDFPrint((" FSCTL_INVALIDATE_VOLUMES ok, status %x\n", GetLastError()));
CloseHandle(h);
continue;
} else {
//#ifndef CDRW_W32
UDFPrint((" FSCTL_INVALIDATE_VOLUMES failed, error %x\n", GetLastError()));
RC = GetLastError();
if(DeviceIoControl(h,IOCTL_UDF_INVALIDATE_VOLUMES,&h,sizeof(h),NULL,0,&returned,NULL) ) {
UDFPrint((" IOCTL_UDF_INVALIDATE_VOLUMES ok, status %x\n", GetLastError()));
CloseHandle(h);
continue;
}
UDFPrint((" IOCTL_UDF_INVALIDATE_VOLUMES, error %x\n", GetLastError()));
//#endif //CDRW_W32
}
UserPrint(("can't lock volume, retry\n"));
CloseHandle(h);
continue;
}
#endif //CDRW_W32
UserPrint(("can't lock volume\n"));
#ifndef NT_NATIVE_MODE
// In native mode the volume can be not mounted yet !!!
CantLock = TRUE;
CloseHandle(h);
h = NULL;
goto try_as_file;
#endif //NT_NATIVE_MODE
}
//#ifndef CDRW_W32
if(!DeviceIoControl(h,FSCTL_ALLOW_EXTENDED_DASD_IO,NULL,0,NULL,0,&returned,NULL)) {
UDFPrint(("Warning: can't allow extended DASD i/o\n"));
}
//#endif //CDRW_W32
UDFPrint((" opened, h=%x\n", h));
return h;
}
RC = GetLastError();
#ifndef NT_NATIVE_MODE
h = CreateFileW(deviceNameBuffer, GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL, NULL);
#else //NT_NATIVE_MODE
RC = NtCreateFile(&h,
GENERIC_READ | SYNCHRONIZE | FILE_READ_ATTRIBUTES,
&ObjectAttributes,
&ioStatus,
NULL,
FILE_ATTRIBUTE_NORMAL,
FILE_SHARE_READ,
FILE_OPEN,
FILE_SYNCHRONOUS_IO_NONALERT | FILE_COMPLETE_IF_OPLOCKED | FILE_WRITE_THROUGH,
NULL,
0);
if(!NT_SUCCESS(RC)) {
h = ((HANDLE)-1);
}
#endif //NT_NATIVE_MODE
if(h != ((HANDLE)-1)) {
UDFPrint((" opened R/O, h=%x\n", h));
#ifndef CDRW_W32
my_retrieve_vol_type(Vcb, fn);
#else
my_retrieve_vol_type(fn);
#endif
UserPrint(("read-only open\n"));
if(!NT_SUCCESS(MyLockVolume(h,pLockMode))) {
#ifndef CDRW_W32
if(retry < MAX_INVALIDATE_VOLUME_RETRY) {
retry++;
if(!Privilege(SE_TCB_NAME, TRUE)) {
UDFPrint(("SE_TCB privilege not held\n"));
} else
if(DeviceIoControl(h,FSCTL_INVALIDATE_VOLUMES,&h,sizeof(h),NULL,0,&returned,NULL) ) {
CloseHandle(h);
continue;
}
UserPrint(("can't lock read-only volumem retry"));
CloseHandle(h);
continue;
}
#endif //CDRW_W32
UserPrint(("can't lock read-only volume"));
#ifndef NT_NATIVE_MODE
CantLock = TRUE;
CloseHandle(h);
h = NULL;
goto try_as_file;
#endif //NT_NATIVE_MODE
}
// write_cdfs = TRUE;
// DeviceIoControl(h,FSCTL_DISMOUNT_VOLUME,NULL,0,NULL,0,&returned,NULL);
return h;
}
#ifndef NT_NATIVE_MODE
try_as_file:
#endif //NT_NATIVE_MODE
#ifndef CDRW_W32
#ifdef UDF_FORMAT_MEDIA
fms->
#endif
open_as_device = FALSE;
// open as plain file
Vcb->PhDeviceType = FILE_DEVICE_DISK;
#endif //CDRW_W32
UserPrint(("try image file\n"));
#ifndef NT_NATIVE_MODE
h = CreateFileW(fn, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ,
NULL,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, NULL);
#else //NT_NATIVE_MODE
RC = NtCreateFile(&h,
GENERIC_READ | SYNCHRONIZE,
&ObjectAttributes,
&ioStatus,
NULL,
FILE_ATTRIBUTE_NORMAL,
FILE_SHARE_READ,
FILE_OPEN,
FILE_SYNCHRONOUS_IO_NONALERT | FILE_COMPLETE_IF_OPLOCKED | FILE_WRITE_THROUGH,
NULL,
0);
if(!NT_SUCCESS(RC)) {
h = ((HANDLE)-1);
}
#endif //NT_NATIVE_MODE
if(h == ((HANDLE)-1)) {
RC = GetLastError();
if(CantLock) {
#ifndef CDRW_W32
my_exit(
#ifdef UDF_FORMAT_MEDIA
fms,
#endif
MKUDF_CANT_LOCK_VOL);
#else
return NULL;
#endif //CDRW_W32
}
#ifndef CDRW_W32
UserPrint(("error opening device or image file"));
my_exit(
#ifdef UDF_FORMAT_MEDIA
fms,
#endif
MKUDF_CANT_OPEN_FILE);
#else
return NULL;
#endif //CDRW_W32
}
UDFPrint((" opened as file, h=%x\n", h));
break;
} while(TRUE);
return h;
} // end my_open()
#endif //LIBUDF
#ifndef CDRW_W32
uint64
udf_lseek64(
HANDLE fd,
uint64 offset,
int whence)
{
LONG offh = (ULONG)(offset>>32);
LONG offl;
offl = SetFilePointer(fd, (ULONG)offset, &offh, whence);
if(offl == -1 && offh == -1) {
return -1;
}
return (((uint64)offh) << 32) | (uint64)offl;
} // end udf_lseek64()
#ifdef LIBUDFFMT
BOOLEAN
udf_get_sizes(
IN PDEVICE_OBJECT DeviceObject,
IN ULONG* blocks
)
{
ULONG bs;
int64 sz;
ULONG RC;
RC = _lphUdf->lpGetSizeFunc(_lphUdf->lpParameter, &sz, &bs);
(*blocks) = (ULONG)(sz/bs);
return(OS_SUCCESS(RC));
}
#endif //LIBUDFFMT
#include "string_lib.cpp"
#ifdef _BROWSE_UDF_
#ifndef LIBUDF
ULONG
UDFGetDevType(
PDEVICE_OBJECT DeviceObject
)
{
if(DeviceObject && DeviceObject == Vcb->TargetDeviceObject) {
return Vcb->PhDeviceType;
}
return FILE_DEVICE_DISK;
} // end UDFGetDevType()
#else // LIBUDF
ULONG
UDFGetDevType(
PDEVICE_OBJECT DeviceObject
)
{
#define lphUdf ((PUDF_VOL_HANDLE_I)(DeviceObject->lpContext))
return lphUdf->bHddDevice ? FILE_DEVICE_DISK : FILE_DEVICE_CD_ROM;
#undef lphUdf
} // end UDFGetDevType()
#endif // LIBUDF
#endif //_BROWSE_UDF_
#endif //CDRW_W32
#ifndef NT_NATIVE_MODE
#ifdef PRINT_DBG_CONSOLE
CHAR dbg_print_tmp_buff[2048];
BOOLEAN was_enter = TRUE;
extern "C"
VOID
PrintDbgConsole(
PCHAR DebugMessage,
...
)
{
int len;
va_list ap;
va_start(ap, DebugMessage);
if(was_enter) {
strcpy(&dbg_print_tmp_buff[0], JS_DBG_PREFIX);
len = _vsnprintf(&dbg_print_tmp_buff[sizeof(JS_DBG_PREFIX)-1], 2047-sizeof(JS_DBG_PREFIX), DebugMessage, ap);
} else {
len = _vsnprintf(&dbg_print_tmp_buff[0], 2047, DebugMessage, ap);
}
dbg_print_tmp_buff[2047] = 0;
if(len > 0 &&
(dbg_print_tmp_buff[len-1] == '\n' ||
dbg_print_tmp_buff[len-1] == '\r') ) {
was_enter = TRUE;
} else {
was_enter = FALSE;
}
OutputDebugString(&dbg_print_tmp_buff[0]);
va_end(ap);
} // end PrintDbgConsole()
#else // PRINT_DBG_CONSOLE
VOID
PrintDbgConsole(
PCHAR DebugMessage,
...
)
{
} // end ClassDebugPrint()
#endif //PRINT_DBG_CONSOLE
BOOLEAN
RtlTimeFieldsToTime(
IN PTIME_FIELDS TimeFields,
IN PLARGE_INTEGER Time
)
{
SYSTEMTIME st;
st.wYear = TimeFields->Year;
st.wMonth = TimeFields->Month;
st.wDayOfWeek = 0;
st.wDay = TimeFields->Day;
st.wHour = TimeFields->Hour;
st.wMinute = TimeFields->Minute;
st.wSecond = TimeFields->Second;
st.wMilliseconds = TimeFields->Milliseconds;
return SystemTimeToFileTime(&st, (PFILETIME)Time);
} // end RtlTimeFieldsToTime()
BOOLEAN
RtlTimeToTimeFields(
IN PLARGE_INTEGER Time,
IN PTIME_FIELDS TimeFields
)
{
SYSTEMTIME st;
BOOLEAN retval;
retval = FileTimeToSystemTime((PFILETIME)Time, &st);
TimeFields->Year = st.wYear;
TimeFields->Month = st.wMonth;
TimeFields->Weekday = st.wDayOfWeek;
TimeFields->Day = st.wDay;
TimeFields->Hour = st.wHour;
TimeFields->Minute = st.wMinute;
TimeFields->Second = st.wSecond;
TimeFields->Milliseconds = st.wMilliseconds;
return retval;
} // end ()
#endif //NT_NATIVE_MODE
#ifdef USE_THREAD_HEAPS
HANDLE MemLock = NULL;
VOID
ExInitThreadPools()
{
MemLock = CreateMutex(NULL, 0, NULL);
}
VOID
ExDeInitThreadPools()
{
if(MemLock)
CloseHandle(MemLock);
}
#define MAX_THREADS_WITH_OWN_POOL 128
typedef struct _THREAD_POOL_LIST_ITEM {
HANDLE HeapHandle;
ULONG ThreadId;
} THREAD_POOL_LIST_ITEM, *PTHREAD_POOL_LIST_ITEM;
ULONG LastThreadPool = -1;
THREAD_POOL_LIST_ITEM ThreadPoolList[MAX_THREADS_WITH_OWN_POOL];
extern "C"
PVOID
#ifdef KERNEL_MODE_MM_BEHAVIOR
_ExAllocatePool_(
#else
ExAllocatePool(
#endif
ULONG MemoryType,
ULONG Size
)
{
ULONG i;
ULONG ThreadId = GetCurrentThreadId();
BOOLEAN found = FALSE;
WaitForSingleObject(MemLock,-1);
for(i=0; i<(LastThreadPool+1); i++) {
if(ThreadPoolList[i].ThreadId == ThreadId) {
found = TRUE;
break;
}
}
if(found) {
ReleaseMutex(MemLock);
return HeapAlloc(ThreadPoolList[i].HeapHandle, HEAP_NO_SERIALIZE, Size);
}
for(i=0; i<(LastThreadPool+1); i++) {
if(ThreadPoolList[i].ThreadId == -1) {
break;
}
}
if(i>=MAX_THREADS_WITH_OWN_POOL) {
ReleaseMutex(MemLock);
return NULL;
}
ThreadPoolList[i].ThreadId = ThreadId;
ThreadPoolList[i].HeapHandle = HeapCreate(HEAP_NO_SERIALIZE, 128*PAGE_SIZE, 0);
if(!ThreadPoolList[i].HeapHandle) {
ThreadPoolList[i].ThreadId = -1;
ReleaseMutex(MemLock);
return NULL;
}
if(i+1 > LastThreadPool+1)
LastThreadPool = i;
ReleaseMutex(MemLock);
return HeapAlloc(ThreadPoolList[i].HeapHandle, HEAP_NO_SERIALIZE, Size);
} // end ExAllocatePool()
extern "C"
VOID
#ifdef KERNEL_MODE_MM_BEHAVIOR
_ExFreePool_(
#else
ExFreePool(
#endif
PVOID Addr
)
{
ULONG ThreadId = GetCurrentThreadId();
ULONG i;
WaitForSingleObject(MemLock,-1);
for(i=0; i<(LastThreadPool+1); i++) {
if(ThreadPoolList[i].ThreadId == ThreadId) {
break;
}
}
if(i+1 > LastThreadPool+1) {
// Not found
BrutePoint();
//__asm int 3;
return;
}
HeapFree(ThreadPoolList[i].HeapHandle, HEAP_NO_SERIALIZE, Addr);
ReleaseMutex(MemLock);
} // end ExFreePool()
extern "C"
VOID
ExFreeThreadPool()
{
ULONG ThreadId = GetCurrentThreadId();
ULONG i;
WaitForSingleObject(MemLock,-1);
for(i=0; i<(LastThreadPool+1); i++) {
if(ThreadPoolList[i].ThreadId == ThreadId) {
break;
}
}
if(i+1 > LastThreadPool+1) {
// Not found
BrutePoint();
//__asm int 3;
return;
}
HeapDestroy(ThreadPoolList[i].HeapHandle);
ThreadPoolList[i].HeapHandle = INVALID_HANDLE_VALUE;
ThreadPoolList[i].ThreadId = -1;
ReleaseMutex(MemLock);
}
#endif //USE_THREAD_HEAPS
#if defined(KERNEL_MODE_MM_BEHAVIOR)
extern "C"
PVOID
ExAllocatePool(
ULONG MemoryType,
ULONG Size
)
{
PVOID Addr;
PVOID uAddr;
if(Size < PAGE_SIZE) {
#ifdef USE_THREAD_HEAPS
Addr = _ExAllocatePool_(MemoryType, Size+8);
#else
Addr = GlobalAlloc(GMEM_DISCARDABLE, Size+8);
#endif
if(!Addr)
return NULL;
uAddr = ((PCHAR)Addr)+8;
} else {
#ifdef USE_THREAD_HEAPS
Addr = _ExAllocatePool_(MemoryType, Size+PAGE_SIZE*2);
#else
Addr = GlobalAlloc(GMEM_DISCARDABLE, Size+PAGE_SIZE*2);
#endif
if(!Addr)
return NULL;
uAddr = (PVOID)(((ULONG)(((PCHAR)Addr)+PAGE_SIZE)) & ~(PAGE_SIZE-1));
}
*(((PULONG)uAddr)-2) = (ULONG)Addr;
*(((PULONG)uAddr)-1) = 0xFEDCBA98;
return uAddr;
} // end ExAllocatePool()
extern "C"
VOID
ExFreePool(
PVOID uAddr
)
{
PVOID Addr;
if(*(((PULONG)uAddr)-1) == 0xFEDCBA98) {
Addr = (PVOID)(*(((PULONG)uAddr)-2));
#ifdef USE_THREAD_HEAPS
_ExFreePool_(Addr);
#else
GlobalFree(Addr);
#endif
return;
}
BrutePoint();
} // end ExFreePool()
#endif //defined(KERNEL_MODE_MM_BEHAVIOR) || defined(NT_NATIVE_MODE)
#ifdef _lphUdf
#undef _lphUdf
#endif //_lphUdf
extern "C"
BOOLEAN
ProbeMemory(
PVOID MemPtr,
ULONG Length,
BOOLEAN ForWrite
)
{
ULONG i;
UCHAR a;
if(!MemPtr && !Length)
return TRUE;
if(!MemPtr || !Length)
return FALSE;
_SEH2_TRY {
a = ((PCHAR)MemPtr)[Length-1];
if(ForWrite) {
((PCHAR)MemPtr)[Length-1] = a;
}
for(i=0; i<Length; i+=PAGE_SIZE) {
a = ((PCHAR)MemPtr)[i];
if(ForWrite) {
((PCHAR)MemPtr)[i] = a;
}
}
} _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) {
return FALSE;
} _SEH2_END;
return TRUE;
} // end ProbeMemory()
#ifdef NT_NATIVE_MODE
#include "env_spec_nt.cpp"
#endif //NT_NATIVE_MODE
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