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Linux: Add support for Btrfs filesystem when creating volumes

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This commit is contained in:
Mounir IDRASSI 2020-08-05 02:05:18 +02:00
parent c8b501062d
commit 388e44c809
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GPG Key ID: 02C30AE90FAE4A6F
5 changed files with 90 additions and 41 deletions
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55
src/Core/VolumeCreator.h
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@ -16,6 +16,11 @@
#include "Platform/Platform.h"
#include "Volume/Volume.h"
#include "RandomNumberGenerator.h"
#if defined (TC_LINUX)
#include "Platform/Unix/Process.h"
#endif
#define VC_MIN_BTRFS_VOLUME_SIZE 114294784ULL
namespace VeraCrypt
{
@ -44,6 +49,7 @@ namespace VeraCrypt
Ext2,
Ext3,
Ext4,
Btrfs,
MacOsExt,
APFS,
UFS
@ -63,6 +69,55 @@ namespace VeraCrypt
return VolumeCreationOptions::FilesystemType::FAT;
#endif
}
static const char* GetFsFormatter (VolumeCreationOptions::FilesystemType::Enum fsType)
{
switch (fsType)
{
#if defined (TC_LINUX)
case VolumeCreationOptions::FilesystemType::Ext2: return "mkfs.ext2";
case VolumeCreationOptions::FilesystemType::Ext3: return "mkfs.ext3";
case VolumeCreationOptions::FilesystemType::Ext4: return "mkfs.ext4";
case VolumeCreationOptions::FilesystemType::NTFS: return "mkfs.ntfs";
case VolumeCreationOptions::FilesystemType::exFAT: return "mkfs.exfat";
case VolumeCreationOptions::FilesystemType::Btrfs: return "mkfs.btrfs";
#elif defined (TC_MACOSX)
case VolumeCreationOptions::FilesystemType::MacOsExt: return "newfs_hfs";
case VolumeCreationOptions::FilesystemType::exFAT: return "newfs_exfat";
case VolumeCreationOptions::FilesystemType::APFS: return "newfs_apfs";
#elif defined (TC_FREEBSD) || defined (TC_SOLARIS)
case VolumeCreationOptions::FilesystemType::UFS: return "newfs" ;
#endif
default: return NULL;
}
}
static bool IsFsFormatterPresent (VolumeCreationOptions::FilesystemType::Enum fsType)
{
bool bRet = false;
const char* fsFormatter = GetFsFormatter (fsType);
if (fsFormatter)
{
#if defined (TC_LINUX)
try
{
list <string> args;
args.push_back ("-V");
Process::Execute (fsFormatter, args);
bRet = true;
}
catch (exception &e)
{
}
#else
bRet = true;
#endif
}
return bRet;
}
};
FilesystemType::Enum Filesystem;

4
src/Main/CommandLineInterface.cpp
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@ -318,6 +318,8 @@ namespace VeraCrypt
ArgFilesystem = VolumeCreationOptions::FilesystemType::NTFS;
else if (str.IsSameAs (L"exFAT", false))
ArgFilesystem = VolumeCreationOptions::FilesystemType::exFAT;
else if (str.IsSameAs (L"Btrfs", false))
ArgFilesystem = VolumeCreationOptions::FilesystemType::Btrfs;
#elif defined (TC_MACOSX)
else if ( str.IsSameAs (L"HFS", false)
|| str.IsSameAs (L"HFS+", false)
@ -328,6 +330,8 @@ namespace VeraCrypt
}
else if (str.IsSameAs (L"exFAT", false))
ArgFilesystem = VolumeCreationOptions::FilesystemType::exFAT;
else if (str.IsSameAs (L"Btrfs", false))
ArgFilesystem = VolumeCreationOptions::FilesystemType::Btrfs;
else if (str.IsSameAs (L"APFS", false))
ArgFilesystem = VolumeCreationOptions::FilesystemType::APFS;
#elif defined (TC_FREEBSD) || defined (TC_SOLARIS)

23
src/Main/Forms/VolumeCreationWizard.cpp
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@ -466,25 +466,7 @@ namespace VeraCrypt
#ifdef TC_UNIX
// Format non-FAT filesystem
const char *fsFormatter = nullptr;
switch (SelectedFilesystemType)
{
#if defined (TC_LINUX)
case VolumeCreationOptions::FilesystemType::Ext2: fsFormatter = "mkfs.ext2"; break;
case VolumeCreationOptions::FilesystemType::Ext3: fsFormatter = "mkfs.ext3"; break;
case VolumeCreationOptions::FilesystemType::Ext4: fsFormatter = "mkfs.ext4"; break;
case VolumeCreationOptions::FilesystemType::NTFS: fsFormatter = "mkfs.ntfs"; break;
case VolumeCreationOptions::FilesystemType::exFAT: fsFormatter = "mkfs.exfat"; break;
#elif defined (TC_MACOSX)
case VolumeCreationOptions::FilesystemType::MacOsExt: fsFormatter = "newfs_hfs"; break;
case VolumeCreationOptions::FilesystemType::exFAT: fsFormatter = "newfs_exfat"; break;
case VolumeCreationOptions::FilesystemType::APFS: fsFormatter = "newfs_apfs"; break;
#elif defined (TC_FREEBSD) || defined (TC_SOLARIS)
case VolumeCreationOptions::FilesystemType::UFS: fsFormatter = "newfs" ; break;
#endif
default: break;
}
const char *fsFormatter = VolumeCreationOptions::FilesystemType::GetFsFormatter (SelectedFilesystemType);
if (fsFormatter)
{
@ -544,6 +526,9 @@ namespace VeraCrypt
if (SelectedFilesystemType == VolumeCreationOptions::FilesystemType::NTFS)
args.push_back ("-f");
if (SelectedFilesystemType == VolumeCreationOptions::FilesystemType::Btrfs)
args.push_back ("-f");
args.push_back (string (virtualDevice));
Process::Execute (fsFormatter, args);

11
src/Main/Forms/VolumeFormatOptionsWizardPage.cpp
View File

@ -35,9 +35,19 @@ namespace VeraCrypt
#elif defined (TC_LINUX)
FilesystemTypeChoice->Append (L"Linux Ext2", (void *) VolumeCreationOptions::FilesystemType::Ext2);
FilesystemTypeChoice->Append (L"Linux Ext3", (void *) VolumeCreationOptions::FilesystemType::Ext3);
if (VolumeCreationOptions::FilesystemType::IsFsFormatterPresent (VolumeCreationOptions::FilesystemType::Ext4))
FilesystemTypeChoice->Append (L"Linux Ext4", (void *) VolumeCreationOptions::FilesystemType::Ext4);
if (VolumeCreationOptions::FilesystemType::IsFsFormatterPresent (VolumeCreationOptions::FilesystemType::NTFS))
FilesystemTypeChoice->Append (L"NTFS", (void *) VolumeCreationOptions::FilesystemType::NTFS);
if (VolumeCreationOptions::FilesystemType::IsFsFormatterPresent (VolumeCreationOptions::FilesystemType::exFAT))
FilesystemTypeChoice->Append (L"exFAT", (void *) VolumeCreationOptions::FilesystemType::exFAT);
if (VolumeCreationOptions::FilesystemType::IsFsFormatterPresent (VolumeCreationOptions::FilesystemType::Btrfs))
{
uint64 minVolumeSizeForBtrfs = VC_MIN_BTRFS_VOLUME_SIZE + (uint64) (VC_MAX (TC_TOTAL_VOLUME_HEADERS_SIZE, TC_HIDDEN_VOLUME_HOST_FS_RESERVED_END_AREA_SIZE_HIGH));
// minimum size to be able to format as Btrfs is 114294784 bytes
if (volumeSize >= minVolumeSizeForBtrfs)
FilesystemTypeChoice->Append (L"Btrfs", (void *) VolumeCreationOptions::FilesystemType::Btrfs);
}
#elif defined (TC_MACOSX)
FilesystemTypeChoice->Append (L"Mac OS Extended", (void *) VolumeCreationOptions::FilesystemType::MacOsExt);
FilesystemTypeChoice->Append (L"exFAT", (void *) VolumeCreationOptions::FilesystemType::exFAT);
@ -83,6 +93,7 @@ namespace VeraCrypt
case VolumeCreationOptions::FilesystemType::Ext2: FilesystemTypeChoice->SetStringSelection (L"Linux Ext2"); break;
case VolumeCreationOptions::FilesystemType::Ext3: FilesystemTypeChoice->SetStringSelection (L"Linux Ext3"); break;
case VolumeCreationOptions::FilesystemType::Ext4: FilesystemTypeChoice->SetStringSelection (L"Linux Ext4"); break;
case VolumeCreationOptions::FilesystemType::Btrfs: FilesystemTypeChoice->SetStringSelection (L"Btrfs"); break;
case VolumeCreationOptions::FilesystemType::MacOsExt: FilesystemTypeChoice->SetStringSelection (L"Mac OS Extended"); break;
case VolumeCreationOptions::FilesystemType::APFS: FilesystemTypeChoice->SetStringSelection (L"APFS"); break;
case VolumeCreationOptions::FilesystemType::UFS: FilesystemTypeChoice->SetStringSelection (L"UFS"); break;

32
src/Main/TextUserInterface.cpp
View File

@ -785,6 +785,7 @@ namespace VeraCrypt
ShowInfo (L" 5) Linux Ext4"); filesystems.push_back (VolumeCreationOptions::FilesystemType::Ext4);
ShowInfo (L" 6) NTFS"); filesystems.push_back (VolumeCreationOptions::FilesystemType::NTFS);
ShowInfo (L" 7) exFAT"); filesystems.push_back (VolumeCreationOptions::FilesystemType::exFAT);
ShowInfo (L" 8) Btrfs"); filesystems.push_back (VolumeCreationOptions::FilesystemType::Btrfs);
#elif defined (TC_MACOSX)
ShowInfo (L" 3) Mac OS Extended"); filesystems.push_back (VolumeCreationOptions::FilesystemType::MacOsExt);
ShowInfo (L" 4) exFAT"); filesystems.push_back (VolumeCreationOptions::FilesystemType::exFAT);
@ -808,6 +809,12 @@ namespace VeraCrypt
throw_err (_("Specified volume size cannot be used with FAT filesystem."));
}
if (options->Filesystem == VolumeCreationOptions::FilesystemType::Btrfs
&& (filesystemSize < VC_MIN_BTRFS_VOLUME_SIZE))
{
throw_err (_("Specified volume size is too small to be used with Btrfs filesystem."));
}
// Password
if (!options->Password && !Preferences.NonInteractive)
{
@ -875,25 +882,9 @@ namespace VeraCrypt
if (options->Filesystem != VolumeCreationOptions::FilesystemType::None
&& options->Filesystem != VolumeCreationOptions::FilesystemType::FAT)
{
const char *fsFormatter = nullptr;
switch (options->Filesystem)
{
#if defined (TC_LINUX)
case VolumeCreationOptions::FilesystemType::Ext2: fsFormatter = "mkfs.ext2"; break;
case VolumeCreationOptions::FilesystemType::Ext3: fsFormatter = "mkfs.ext3"; break;
case VolumeCreationOptions::FilesystemType::Ext4: fsFormatter = "mkfs.ext4"; break;
case VolumeCreationOptions::FilesystemType::NTFS: fsFormatter = "mkfs.ntfs"; break;
case VolumeCreationOptions::FilesystemType::exFAT: fsFormatter = "mkfs.exfat"; break;
#elif defined (TC_MACOSX)
case VolumeCreationOptions::FilesystemType::MacOsExt: fsFormatter = "newfs_hfs"; break;
case VolumeCreationOptions::FilesystemType::exFAT: fsFormatter = "newfs_exfat"; break;
case VolumeCreationOptions::FilesystemType::APFS: fsFormatter = "newfs_apfs"; break;
#elif defined (TC_FREEBSD) || defined (TC_SOLARIS)
case VolumeCreationOptions::FilesystemType::UFS: fsFormatter = "newfs" ; break;
#endif
default: throw ParameterIncorrect (SRC_POS);
}
const char *fsFormatter = VolumeCreationOptions::FilesystemType::GetFsFormatter (options->Filesystem);
if (!fsFormatter)
throw ParameterIncorrect (SRC_POS);
MountOptions mountOptions (GetPreferences().DefaultMountOptions);
mountOptions.Path = make_shared <VolumePath> (options->Path);
@ -947,6 +938,9 @@ namespace VeraCrypt
if (options->Filesystem == VolumeCreationOptions::FilesystemType::NTFS)
args.push_back ("-f");
if (options->Filesystem == VolumeCreationOptions::FilesystemType::Btrfs)
args.push_back ("-f");
args.push_back (string (virtualDevice));
Process::Execute (fsFormatter, args);