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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2012 Dominik Reichl <dominik.reichl@t-online.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
using System;
using System.Text;
using System.Security;
using System.Runtime.InteropServices;
using System.IO;
using System.Diagnostics;
using KeePassLib.Utility;
namespace KeePassLib.Native
{
internal static class NativeMethods
{
internal const int MAX_PATH = 260;
/* [DllImport("KeePassNtv32.dll", EntryPoint = "TransformKey")]
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool TransformKey32(IntPtr pBuf256,
IntPtr pKey256, UInt64 uRounds);
[DllImport("KeePassNtv64.dll", EntryPoint = "TransformKey")]
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool TransformKey64(IntPtr pBuf256,
IntPtr pKey256, UInt64 uRounds);
internal static bool TransformKey(IntPtr pBuf256, IntPtr pKey256,
UInt64 uRounds)
{
if(Marshal.SizeOf(typeof(IntPtr)) == 8)
return TransformKey64(pBuf256, pKey256, uRounds);
else
return TransformKey32(pBuf256, pKey256, uRounds);
}
[DllImport("KeePassNtv32.dll", EntryPoint = "TransformKeyTimed")]
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool TransformKeyTimed32(IntPtr pBuf256,
IntPtr pKey256, ref UInt64 puRounds, UInt32 uSeconds);
[DllImport("KeePassNtv64.dll", EntryPoint = "TransformKeyTimed")]
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool TransformKeyTimed64(IntPtr pBuf256,
IntPtr pKey256, ref UInt64 puRounds, UInt32 uSeconds);
internal static bool TransformKeyTimed(IntPtr pBuf256, IntPtr pKey256,
ref UInt64 puRounds, UInt32 uSeconds)
{
if(Marshal.SizeOf(typeof(IntPtr)) == 8)
return TransformKeyTimed64(pBuf256, pKey256, ref puRounds, uSeconds);
else
return TransformKeyTimed32(pBuf256, pKey256, ref puRounds, uSeconds);
} */
[DllImport("KeePassLibC32.dll", EntryPoint = "TransformKey256")]
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool TransformKey32(IntPtr pBuf256,
IntPtr pKey256, UInt64 uRounds);
[DllImport("KeePassLibC64.dll", EntryPoint = "TransformKey256")]
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool TransformKey64(IntPtr pBuf256,
IntPtr pKey256, UInt64 uRounds);
internal static bool TransformKey(IntPtr pBuf256, IntPtr pKey256,
UInt64 uRounds)
{
if(Marshal.SizeOf(typeof(IntPtr)) == 8)
return TransformKey64(pBuf256, pKey256, uRounds);
else
return TransformKey32(pBuf256, pKey256, uRounds);
}
[DllImport("KeePassLibC32.dll", EntryPoint = "TransformKeyBenchmark256")]
private static extern UInt64 TransformKeyBenchmark32(UInt32 uTimeMs);
[DllImport("KeePassLibC64.dll", EntryPoint = "TransformKeyBenchmark256")]
private static extern UInt64 TransformKeyBenchmark64(UInt32 uTimeMs);
internal static UInt64 TransformKeyBenchmark(UInt32 uTimeMs)
{
if(Marshal.SizeOf(typeof(IntPtr)) == 8)
return TransformKeyBenchmark64(uTimeMs);
else
return TransformKeyBenchmark32(uTimeMs);
}
#if !KeePassLibSD
[DllImport("ShlWApi.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
internal static extern int StrCmpLogicalW(string x, string y);
[DllImport("ShlWApi.dll", CharSet = CharSet.Auto)]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool PathRelativePathTo([Out] StringBuilder pszPath,
[In] string pszFrom, [In] uint dwAttrFrom, [In] string pszTo,
[In] uint dwAttrTo);
#endif
private static bool? m_bSupportsLogicalCmp = null;
private static void TestNaturalComparisonsSupport()
{
#if KeePassLibSD
#warning No native natural comparisons supported.
m_bSupportsLogicalCmp = false;
#else
try
{
StrCmpLogicalW("0", "0"); // Throws exception if unsupported
m_bSupportsLogicalCmp = true;
}
catch(Exception) { m_bSupportsLogicalCmp = false; }
#endif
}
internal static bool SupportsStrCmpNaturally
{
get
{
if(m_bSupportsLogicalCmp.HasValue == false)
TestNaturalComparisonsSupport();
return m_bSupportsLogicalCmp.Value;
}
}
internal static int StrCmpNaturally(string x, string y)
{
if(m_bSupportsLogicalCmp.HasValue == false) TestNaturalComparisonsSupport();
if(m_bSupportsLogicalCmp.Value == false) return 0;
#if KeePassLibSD
#warning No native natural comparisons supported.
return x.CompareTo(y);
#else
return StrCmpLogicalW(x, y);
#endif
}
internal static string GetUserRuntimeDir()
{
string strRtDir = Environment.GetEnvironmentVariable("XDG_RUNTIME_DIR");
if(string.IsNullOrEmpty(strRtDir))
strRtDir = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
if(string.IsNullOrEmpty(strRtDir))
{
Debug.Assert(false);
return Path.GetTempPath(); // Not UrlUtil (otherwise cyclic)
}
strRtDir = UrlUtil.EnsureTerminatingSeparator(strRtDir, false);
strRtDir += PwDefs.ShortProductName;
return strRtDir;
}
}
}
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