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/*
Copyright (c) 2008 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/wait.h>
#include "CoreFreeBSD.h"
#include "Core/Unix/CoreServiceProxy.h"
namespace TrueCrypt
{
CoreFreeBSD::CoreFreeBSD ()
{
}
CoreFreeBSD::~CoreFreeBSD ()
{
}
DevicePath CoreFreeBSD::AttachFileToLoopDevice (const FilePath &filePath, bool readOnly) const
{
list <string> args;
args.push_back ("-a");
args.push_back ("-t");
args.push_back ("vnode");
if (readOnly)
{
args.push_back ("-o");
args.push_back ("readonly");
}
args.push_back ("-f");
args.push_back (filePath);
string dev = StringConverter::Trim (Process::Execute ("mdconfig", args));
if (dev.find ("/") == string::npos)
dev = string ("/dev/") + dev;
return dev;
}
void CoreFreeBSD::DetachLoopDevice (const DevicePath &devicePath) const
{
list <string> args;
args.push_back ("-d");
args.push_back ("-u");
args.push_back (StringConverter::GetTrailingNumber (devicePath));
for (int t = 0; true; t++)
{
try
{
Process::Execute ("mdconfig", args);
break;
}
catch (ExecutedProcessFailed&)
{
if (t > 5)
throw;
Thread::Sleep (200);
}
}
}
HostDeviceList CoreFreeBSD::GetHostDevices (bool pathListOnly) const
{
HostDeviceList devices;
#ifdef TC_MACOSX
const string busType = "rdisk";
#else
foreach (const string &busType, StringConverter::Split ("ad da"))
#endif
{
for (int devNumber = 0; devNumber < 64; devNumber++)
{
stringstream devPath;
devPath << "/dev/" << busType << devNumber;
if (FilesystemPath (devPath.str()).IsBlockDevice() || FilesystemPath (devPath.str()).IsCharacterDevice())
{
make_shared_auto (HostDevice, device);
device->Path = devPath.str();
if (!pathListOnly)
{
try
{
device->Size = GetDeviceSize (device->Path);
}
catch (...)
{
device->Size = 0;
}
device->MountPoint = GetDeviceMountPoint (device->Path);
device->SystemNumber = 0;
}
devices.push_back (device);
for (int partNumber = 1; partNumber < 32; partNumber++)
{
#ifdef TC_MACOSX
const string partLetter = "";
#else
foreach (const string &partLetter, StringConverter::Split (",a,b,c,d,e,f,g,h", ",", true))
#endif
{
stringstream partPath;
partPath << devPath.str() << "s" << partNumber << partLetter;
if (FilesystemPath (partPath.str()).IsBlockDevice() || FilesystemPath (partPath.str()).IsCharacterDevice())
{
make_shared_auto (HostDevice, partition);
partition->Path = partPath.str();
if (!pathListOnly)
{
try
{
partition->Size = GetDeviceSize (partition->Path);
}
catch (...)
{
partition->Size = 0;
}
partition->MountPoint = GetDeviceMountPoint (partition->Path);
partition->SystemNumber = 0;
}
device->Partitions.push_back (partition);
}
}
}
}
}
}
return devices;
}
MountedFilesystemList CoreFreeBSD::GetMountedFilesystems (const DevicePath &devicePath, const DirectoryPath &mountPoint) const
{
static Mutex mutex;
ScopeLock sl (mutex);
struct statfs *sysMountList;
int count = getmntinfo (&sysMountList, MNT_NOWAIT);
throw_sys_if (count == 0);
MountedFilesystemList mountedFilesystems;
for (int i = 0; i < count; i++)
{
make_shared_auto (MountedFilesystem, mf);
if (sysMountList[i].f_mntfromname[0])
mf->Device = DevicePath (sysMountList[i].f_mntfromname);
else
continue;
if (sysMountList[i].f_mntonname[0])
mf->MountPoint = DirectoryPath (sysMountList[i].f_mntonname);
mf->Type = sysMountList[i].f_fstypename;
if ((devicePath.IsEmpty() || devicePath == mf->Device) && (mountPoint.IsEmpty() || mountPoint == mf->MountPoint))
mountedFilesystems.push_back (mf);
}
return mountedFilesystems;
}
void CoreFreeBSD::MountFilesystem (const DevicePath &devicePath, const DirectoryPath &mountPoint, const string &filesystemType, bool readOnly, const string &systemMountOptions) const
{
try
{
// Try to mount FAT by default as mount is unable to probe filesystem type on BSD
CoreUnix::MountFilesystem (devicePath, mountPoint, filesystemType.empty() ? "msdos" : filesystemType, readOnly, systemMountOptions);
}
catch (ExecutedProcessFailed&)
{
if (!filesystemType.empty())
throw;
CoreUnix::MountFilesystem (devicePath, mountPoint, filesystemType, readOnly, systemMountOptions);
}
}
#ifdef TC_FREEBSD
auto_ptr <CoreBase> Core (new CoreServiceProxy <CoreFreeBSD>);
auto_ptr <CoreBase> CoreDirect (new CoreFreeBSD);
#endif
}
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