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/*
Copyright (c) 2008-2009 TrueCrypt Developers Association. All rights reserved.
Governed by the TrueCrypt License 3.0 the full text of which is contained in
the file License.txt included in TrueCrypt binary and source code distribution
packages.
*/
#include <fstream>
#include <stdio.h>
#include <unistd.h>
#include <sys/param.h>
#include <sys/ucred.h>
#include <sys/mount.h>
#include <sys/sysctl.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "CoreMacOSX.h"
#include "Driver/Fuse/FuseService.h"
#include "Core/Unix/CoreServiceProxy.h"
namespace TrueCrypt
{
CoreMacOSX::CoreMacOSX ()
{
}
CoreMacOSX::~CoreMacOSX ()
{
}
shared_ptr <VolumeInfo> CoreMacOSX::DismountVolume (shared_ptr <VolumeInfo> mountedVolume, bool ignoreOpenFiles, bool syncVolumeInfo)
{
if (!mountedVolume->VirtualDevice.IsEmpty() && mountedVolume->VirtualDevice.IsBlockDevice())
{
list <string> args;
args.push_back ("detach");
args.push_back (mountedVolume->VirtualDevice);
if (ignoreOpenFiles)
args.push_back ("-force");
try
{
Process::Execute ("hdiutil", args);
}
catch (ExecutedProcessFailed &e)
{
if (!ignoreOpenFiles)
{
string err = e.GetErrorOutput();
if (err.find ("couldn't unmount") != string::npos
|| err.find ("busy") != string::npos
|| err.find ("49153") != string::npos)
{
throw MountedVolumeInUse (SRC_POS);
}
}
throw;
}
}
if (syncVolumeInfo || mountedVolume->Protection == VolumeProtection::HiddenVolumeReadOnly)
{
sync();
VolumeInfoList ml = GetMountedVolumes (mountedVolume->Path);
if (ml.size() > 0)
mountedVolume = ml.front();
}
list <string> args;
args.push_back ("--");
args.push_back (mountedVolume->AuxMountPoint);
for (int t = 0; true; t++)
{
try
{
Process::Execute ("umount", args);
break;
}
catch (ExecutedProcessFailed&)
{
if (t > 10)
throw;
Thread::Sleep (200);
}
}
try
{
mountedVolume->AuxMountPoint.Delete();
}
catch (...) { }
return mountedVolume;
}
void CoreMacOSX::CheckFilesystem (shared_ptr <VolumeInfo> mountedVolume, bool repair) const
{
list <string> args;
args.push_back ("/Applications/Utilities/Disk Utility.app");
Process::Execute ("open", args);
}
void CoreMacOSX::MountAuxVolumeImage (const DirectoryPath &auxMountPoint, const MountOptions &options) const
{
// Check FUSE version
char fuseVersionString[MAXHOSTNAMELEN + 1] = { 0 };
size_t fuseVersionStringLength = MAXHOSTNAMELEN;
if (sysctlbyname ("macfuse.version.number", fuseVersionString, &fuseVersionStringLength, NULL, 0) != 0)
throw HigherFuseVersionRequired (SRC_POS);
vector <string> fuseVersion = StringConverter::Split (string (fuseVersionString), ".");
if (fuseVersion.size() < 2)
throw HigherFuseVersionRequired (SRC_POS);
uint32 fuseVersionMajor = StringConverter::ToUInt32 (fuseVersion[0]);
uint32 fuseVersionMinor = StringConverter::ToUInt32 (fuseVersion[1]);
if (fuseVersionMajor < 1 || (fuseVersionMajor == 1 && fuseVersionMinor < 3))
throw HigherFuseVersionRequired (SRC_POS);
// Mount volume image
string volImage = string (auxMountPoint) + FuseService::GetVolumeImagePath();
list <string> args;
args.push_back ("attach");
args.push_back (volImage);
args.push_back ("-plist");
args.push_back ("-noautofsck");
args.push_back ("-imagekey");
args.push_back ("diskimage-class=CRawDiskImage");
if (!options.NoFilesystem && options.MountPoint && !options.MountPoint->IsEmpty())
{
args.push_back ("-mount");
args.push_back ("required");
// Let the system specify mount point except when the user specified a non-default one
if (string (*options.MountPoint).find (GetDefaultMountPointPrefix()) != 0)
{
args.push_back ("-mountpoint");
args.push_back (*options.MountPoint);
}
}
else
args.push_back ("-nomount");
if (options.Protection == VolumeProtection::ReadOnly)
args.push_back ("-readonly");
string xml;
while (true)
{
try
{
xml = Process::Execute ("hdiutil", args);
break;
}
catch (ExecutedProcessFailed &e)
{
if (e.GetErrorOutput().find ("noautofsck") != string::npos)
{
args.remove ("-noautofsck");
continue;
}
throw;
}
}
size_t p = xml.find ("<key>dev-entry</key>");
if (p == string::npos)
throw ParameterIncorrect (SRC_POS);
p = xml.find ("<string>", p);
if (p == string::npos)
throw ParameterIncorrect (SRC_POS);
p += 8;
size_t e = xml.find ("</string>", p);
if (e == string::npos)
throw ParameterIncorrect (SRC_POS);
DevicePath virtualDev = StringConverter::Trim (xml.substr (p, e - p));
try
{
FuseService::SendAuxDeviceInfo (auxMountPoint, virtualDev);
}
catch (...)
{
try
{
list <string> args;
args.push_back ("detach");
args.push_back (volImage);
args.push_back ("-force");
Process::Execute ("hdiutil", args);
}
catch (ExecutedProcessFailed&) { }
throw;
}
}
auto_ptr <CoreBase> Core (new CoreServiceProxy <CoreMacOSX>);
auto_ptr <CoreBase> CoreDirect (new CoreMacOSX);
}
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