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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2019 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.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Runtime.InteropServices.ComTypes;
using System.Diagnostics;
using KeePassLib.Utility;
namespace KeePass.Native
{
internal sealed class ShellLinkEx
{
private string m_strPath = null;
public string Path
{
get { return m_strPath; }
set { m_strPath = value; }
}
private string m_strArgs = null;
public string Arguments
{
get { return m_strArgs; }
set { m_strArgs = value; }
}
private string m_strDesc = null;
public string Description
{
get { return m_strDesc; }
set
{
if((value != null) && (value.Length >= NativeMethods.INFOTIPSIZE))
{
Debug.Assert(false);
m_strDesc = StrUtil.CompactString3Dots(value,
NativeMethods.INFOTIPSIZE - 1);
}
else m_strDesc = value;
}
}
public ShellLinkEx()
{
}
public ShellLinkEx(string strPath, string strArgs, string strDesc)
{
m_strPath = strPath;
m_strArgs = strArgs;
this.Description = strDesc; // Shortens description if necessary
}
public static ShellLinkEx Load(string strLnkFilePath)
{
try
{
CShellLink csl = new CShellLink();
IShellLinkW sl = (csl as IShellLinkW);
if(sl == null) { Debug.Assert(false); return null; }
IPersistFile pf = (csl as IPersistFile);
if(pf == null) { Debug.Assert(false); return null; }
pf.Load(strLnkFilePath, (int)(NativeMethods.STGM.Read |
NativeMethods.STGM.ShareDenyWrite));
const int ccMaxPath = KeePassLib.Native.NativeMethods.MAX_PATH;
const int ccInfoTip = NativeMethods.INFOTIPSIZE;
ShellLinkEx r = new ShellLinkEx();
StringBuilder sb = new StringBuilder(ccMaxPath + 1);
sl.GetPath(sb, sb.Capacity, IntPtr.Zero, 0);
r.Path = sb.ToString();
sb = new StringBuilder(ccInfoTip + 1);
sl.GetArguments(sb, sb.Capacity);
r.Arguments = sb.ToString();
sb = new StringBuilder(ccInfoTip + 1);
sl.GetDescription(sb, sb.Capacity);
r.Description = sb.ToString();
return r;
}
catch(Exception) { Debug.Assert(false); }
return null;
}
public bool Save(string strLnkFilePath)
{
try
{
CShellLink csl = new CShellLink();
IShellLinkW sl = (csl as IShellLinkW);
if(sl == null) { Debug.Assert(false); return false; }
IPersistFile pf = (csl as IPersistFile);
if(pf == null) { Debug.Assert(false); return false; }
if(!string.IsNullOrEmpty(m_strPath))
sl.SetPath(m_strPath);
if(!string.IsNullOrEmpty(m_strArgs))
sl.SetArguments(m_strArgs);
if(!string.IsNullOrEmpty(m_strDesc))
sl.SetDescription(m_strDesc);
pf.Save(strLnkFilePath, true);
return true;
}
catch(Exception) { Debug.Assert(false); }
return false;
}
}
[ComImport]
[Guid("000214F9-0000-0000-C000-000000000046")]
[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
internal interface IShellLinkW
{
void GetPath([MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszFile,
int cch, IntPtr pfd, uint fFlags);
void GetIDList(out IntPtr ppidl);
void SetIDList(IntPtr pidl);
void GetDescription([MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszName,
int cch);
void SetDescription([MarshalAs(UnmanagedType.LPWStr)] string pszName);
void GetWorkingDirectory([MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszDir,
int cch);
void SetWorkingDirectory([MarshalAs(UnmanagedType.LPWStr)] string pszDir);
void GetArguments([MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszArgs, int cch);
void SetArguments([MarshalAs(UnmanagedType.LPWStr)] string pszArgs);
void GetHotkey(out ushort pwHotkey);
void SetHotkey(ushort wHotkey);
void GetShowCmd(out int piShowCmd);
void SetShowCmd(int iShowCmd);
void GetIconLocation([MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszIconPath,
int cch, out int piIcon);
void SetIconLocation([MarshalAs(UnmanagedType.LPWStr)] string pszIconPath,
int iIcon);
void SetRelativePath([MarshalAs(UnmanagedType.LPWStr)] string pszPathRel,
uint dwReserved);
void Resolve(IntPtr hwnd, uint fFlags);
void SetPath([MarshalAs(UnmanagedType.LPWStr)] string pszFile);
}
[ComImport]
[Guid("00021401-0000-0000-C000-000000000046")]
internal class CShellLink { }
}
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