Public/VeraCrypt
1
0
Fork 0
mirror of https://github.com/veracrypt/VeraCrypt.git synced 2025-11-11 19:08:26 -06:00
Code Activity

Windows: use IOCTL_DISK_GET_DRIVE_GEOMETRY_EX instead of the deprecated IOCTL_DISK_GET_DRIVE_GEOMETRY in order to get accurate disk size value.

Browse Source
This commit is contained in:
Mounir IDRASSI
2017-05-15 16:22:48 +02:00
parent ce4e7fd64d
commit 74b82118d5
13 changed files with 133 additions and 83 deletions
Download Patch File Download Diff File Expand all files Collapse all files

62
src/Common/Dlgcode.c
View File

@@ -3102,6 +3102,7 @@ BOOL GetDriveLabel (int driveNo, wchar_t *label, int labelSize)
return GetVolumeInformationW (root, label, labelSize / 2, NULL, NULL, &fileSystemFlags, NULL, 0);
}
#ifndef SETUP
/* Stores the device path of the system partition in SysPartitionDevicePath and the device path of the system drive
in SysDriveDevicePath.
@@ -3254,6 +3255,7 @@ int IsNonSysPartitionOnSysDrive (const wchar_t *path)
}
}
#endif //!SETUP
wstring GetSysEncryptionPretestInfo2String (void)
{
@@ -3477,6 +3479,7 @@ char * GetLegalNotices ()
return buf;
}
#ifndef SETUP
BOOL CALLBACK RawDevicesDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
@@ -3835,6 +3838,7 @@ BOOL CALLBACK RawDevicesDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM l
return 0;
}
#endif //!SETUP
BOOL DoDriverInstall (HWND hwndDlg)
{
@@ -7266,6 +7270,8 @@ BOOL GetPhysicalDriveAlignment(UINT nDriveNumber, STORAGE_ACCESS_ALIGNMENT_DESCR
return TRUE;
}
#ifndef SETUP
/************************************************************/
// implementation of the generic wait dialog mechanism
@@ -7980,6 +7986,7 @@ BOOL UnmountVolumeAfterFormatExCall (HWND hwndDlg, int nDosDriveNo)
return UnmountVolumeBase (hwndDlg, nDosDriveNo, FALSE, TRUE);
}
#endif //!SETUP
BOOL IsPasswordCacheEmpty (void)
{
@@ -8176,29 +8183,31 @@ BOOL GetDeviceInfo (const wchar_t *deviceName, DISK_PARTITION_INFO_STRUCT *info)
return DeviceIoControl (hDriver, TC_IOCTL_GET_DRIVE_PARTITION_INFO, info, sizeof (*info), info, sizeof (*info), &dwResult, NULL);
}
BOOL GetDriveGeometry (const wchar_t *deviceName, PDISK_GEOMETRY diskGeometry)
#ifndef SETUP
BOOL GetDriveGeometry (const wchar_t *deviceName, PDISK_GEOMETRY_EX diskGeometry)
{
BOOL bResult;
DWORD dwResult;
DISK_GEOMETRY_STRUCT dg;
DISK_GEOMETRY_EX_STRUCT dg;
memset (&dg, 0, sizeof(dg));
StringCbCopyW ((PWSTR) &dg.deviceName, sizeof(dg.deviceName), deviceName);
bResult = DeviceIoControl (hDriver, TC_IOCTL_GET_DRIVE_GEOMETRY, &dg,
bResult = DeviceIoControl (hDriver, VC_IOCTL_GET_DRIVE_GEOMETRY_EX, &dg,
sizeof (dg), &dg, sizeof (dg), &dwResult, NULL);
if (bResult && (dwResult == sizeof (dg)) && dg.diskGeometry.BytesPerSector)
{
memcpy (diskGeometry, &dg.diskGeometry, sizeof (DISK_GEOMETRY));
ZeroMemory (diskGeometry, sizeof (PDISK_GEOMETRY_EX));
memcpy (&diskGeometry->Geometry, &dg.diskGeometry, sizeof (DISK_GEOMETRY));
diskGeometry->DiskSize.QuadPart = dg.DiskSize.QuadPart;
return TRUE;
}
else
return FALSE;
}
BOOL GetPhysicalDriveGeometry (int driveNumber, PDISK_GEOMETRY diskGeometry)
BOOL GetPhysicalDriveGeometry (int driveNumber, PDISK_GEOMETRY_EX diskGeometry)
{
HANDLE hDev;
BOOL bResult = FALSE;
@@ -8210,11 +8219,11 @@ BOOL GetPhysicalDriveGeometry (int driveNumber, PDISK_GEOMETRY diskGeometry)
{
DWORD bytesRead = 0;
ZeroMemory (diskGeometry, sizeof (DISK_GEOMETRY));
ZeroMemory (diskGeometry, sizeof (DISK_GEOMETRY_EX));
if ( DeviceIoControl (hDev, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, diskGeometry, sizeof (DISK_GEOMETRY), &bytesRead, NULL)
&& (bytesRead == sizeof (DISK_GEOMETRY))
&& diskGeometry->BytesPerSector)
if ( DeviceIoControl (hDev, IOCTL_DISK_GET_DRIVE_GEOMETRY_EX, NULL, 0, diskGeometry, sizeof (DISK_GEOMETRY_EX), &bytesRead, NULL)
&& (bytesRead == sizeof (DISK_GEOMETRY_EX))
&& diskGeometry->Geometry.BytesPerSector)
{
bResult = TRUE;
}
@@ -8224,7 +8233,7 @@ BOOL GetPhysicalDriveGeometry (int driveNumber, PDISK_GEOMETRY diskGeometry)
return bResult;
}
#endif
// Returns drive letter number assigned to device (-1 if none)
int GetDiskDeviceDriveLetter (PWSTR deviceName)
@@ -10534,7 +10543,7 @@ int OpenVolume (OpenVolumeContext *context, const wchar_t *volumePath, Password
char buffer[TC_VOLUME_HEADER_EFFECTIVE_SIZE];
LARGE_INTEGER headerOffset;
DWORD dwResult;
DISK_GEOMETRY deviceGeometry;
DISK_GEOMETRY_EX deviceGeometry;
context->VolumeIsOpen = FALSE;
context->CryptoInfo = NULL;
@@ -10602,15 +10611,15 @@ int OpenVolume (OpenVolumeContext *context, const wchar_t *volumePath, Password
}
else
{
DISK_GEOMETRY driveInfo;
DISK_GEOMETRY_EX driveInfo;
if (!DeviceIoControl (context->HostFileHandle, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &driveInfo, sizeof (driveInfo), &dwResult, NULL))
if (!DeviceIoControl (context->HostFileHandle, IOCTL_DISK_GET_DRIVE_GEOMETRY_EX, NULL, 0, &driveInfo, sizeof (driveInfo), &dwResult, NULL))
{
status = ERR_OS_ERROR;
goto error;
}
context->HostSize = driveInfo.Cylinders.QuadPart * driveInfo.BytesPerSector * driveInfo.SectorsPerTrack * driveInfo.TracksPerCylinder;
context->HostSize = driveInfo.DiskSize.QuadPart;
}
if (context->HostSize == 0)
@@ -10798,10 +10807,10 @@ BOOL IsPagingFileActive (BOOL checkNonWindowsPartitionsOnly)
if (handle == INVALID_HANDLE_VALUE)
continue;
DISK_GEOMETRY driveInfo;
DISK_GEOMETRY_EX driveInfo;
DWORD dwResult;
if (!DeviceIoControl (handle, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &driveInfo, sizeof (driveInfo), &dwResult, NULL))
if (!DeviceIoControl (handle, IOCTL_DISK_GET_DRIVE_GEOMETRY_EX, NULL, 0, &driveInfo, sizeof (driveInfo), &dwResult, NULL))
{
CloseHandle (handle);
continue;
@@ -11398,8 +11407,6 @@ BOOL InitSecurityTokenLibrary (HWND hwndDlg)
return TRUE;
}
#endif // !SETUP
std::vector <HostDevice> GetAvailableHostDevices (bool noDeviceProperties, bool singleList, bool noFloppy, bool detectUnencryptedFilesystems)
{
vector <HostDevice> devices;
@@ -11436,14 +11443,13 @@ std::vector <HostDevice> GetAvailableHostDevices (bool noDeviceProperties, bool
}
else
{
// retrieve size using DISK_GEOMETRY
DISK_GEOMETRY deviceGeometry = {0};
// retrieve size using DISK_GEOMETRY_EX
DISK_GEOMETRY_EX deviceGeometry = {0};
if ( GetDriveGeometry (devPath, &deviceGeometry)
|| ((partNumber == 0) && GetPhysicalDriveGeometry (devNumber, &deviceGeometry))
)
{
device.Size = deviceGeometry.Cylinders.QuadPart * (LONGLONG) deviceGeometry.BytesPerSector
* (LONGLONG) deviceGeometry.SectorsPerTrack * (LONGLONG) deviceGeometry.TracksPerCylinder;
device.Size = (uint64) deviceGeometry.DiskSize.QuadPart;
}
}
@@ -11451,7 +11457,7 @@ std::vector <HostDevice> GetAvailableHostDevices (bool noDeviceProperties, bool
if (!noDeviceProperties)
{
DISK_GEOMETRY geometry;
DISK_GEOMETRY_EX geometry;
int driveNumber = GetDiskDeviceDriveLetter ((wchar_t *) devPathStr.c_str());
@@ -11469,7 +11475,7 @@ std::vector <HostDevice> GetAvailableHostDevices (bool noDeviceProperties, bool
}
if (partNumber == 0 && GetDriveGeometry (devPath, &geometry))
device.Removable = (geometry.MediaType == RemovableMedia);
device.Removable = (geometry.Geometry.MediaType == RemovableMedia);
}
if (partNumber == 0)
@@ -11601,6 +11607,8 @@ wstring FindDeviceByVolumeID (const BYTE volumeID [VOLUME_ID_SIZE])
return L"";
}
#endif // !SETUP
BOOL FileHasReadOnlyAttribute (const wchar_t *path)
{
DWORD attributes = GetFileAttributes (path);
@@ -12207,6 +12215,8 @@ BOOL IsRepeatedByteArray (byte value, const byte* buffer, size_t bufferSize)
return FALSE;
}
#ifndef SETUP
BOOL TranslateVolumeID (HWND hwndDlg, wchar_t* pathValue, size_t cchPathValue)
{
BOOL bRet = TRUE;
@@ -12243,6 +12253,8 @@ BOOL TranslateVolumeID (HWND hwndDlg, wchar_t* pathValue, size_t cchPathValue)
return bRet;
}
#endif
BOOL CopyTextToClipboard (LPCWSTR txtValue)
{
size_t txtLen = wcslen(txtValue);