/*

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 "Platform/FilesystemPath.h"

#include "Platform/SystemException.h"

#include "Platform/StringConverter.h"

#include <stdio.h>

#include <sys/stat.h>

namespace TrueCrypt

{

void FilesystemPath::Delete () const

{

throw_sys_sub_if (remove (string (*this).c_str()) == -1, Path);

}

UserId FilesystemPath::GetOwner () const

{

struct stat statData;

throw_sys_if (stat (StringConverter::ToSingle (Path).c_str(), &statData) == -1);

UserId owner;

owner.SystemId = statData.st_uid;

return owner;

}

FilesystemPathType::Enum FilesystemPath::GetType () const

{

// Strip trailing directory separator

wstring path = Path;

size_t pos = path.find_last_not_of (L'/');

if (path.size() > 2 && pos != path.size() - 1)

path = path.substr (0, pos + 1);

struct stat statData;

throw_sys_sub_if (stat (StringConverter::ToSingle (path).c_str(), &statData) != 0, Path);

if (S_ISREG (statData.st_mode)) return FilesystemPathType::File;

if (S_ISDIR (statData.st_mode)) return FilesystemPathType::Directory;

if (S_ISCHR (statData.st_mode)) return FilesystemPathType::CharacterDevice;

if (S_ISBLK (statData.st_mode)) return FilesystemPathType::BlockDevice;

if (S_ISLNK (statData.st_mode)) return FilesystemPathType::SymbolickLink;

return FilesystemPathType::Unknown;

}

FilesystemPath FilesystemPath::ToBaseName () const

{

wstring path = Path;

size_t pos = path.find_last_of (L'/');

if (pos == string::npos)

return Path;

return Path.substr (pos + 1);

}

FilesystemPath FilesystemPath::ToHostDriveOfPartition () const

{

DevicePath path;

#ifdef TC_LINUX

path = StringConverter::StripTrailingNumber (StringConverter::ToSingle (Path));

#elif defined (TC_MACOSX)

string pathStr = StringConverter::StripTrailingNumber (StringConverter::ToSingle (Path));

path = pathStr.substr (0, pathStr.size() - 1);

#elif defined (TC_FREEBSD)

string pathStr = StringConverter::ToSingle (Path);

size_t p = pathStr.rfind ("s");

if (p == string::npos)

throw PartitionDeviceRequired (SRC_POS);

path = pathStr.substr (0, p);

#elif defined (TC_SOLARIS)

path = StringConverter::StripTrailingNumber (StringConverter::ToSingle (Path)) + "0";

#else

throw NotImplemented (SRC_POS);

#endif

if (!path.IsDevice())

throw PartitionDeviceRequired (SRC_POS);

return path;

}

}