mirror of
https://github.com/xcp-ng/xenadmin.git
synced 2024-12-23 00:46:03 +01:00
122 lines
4.4 KiB
C#
122 lines
4.4 KiB
C#
/* Copyright (c) Citrix Systems Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms,
|
|
* with or without modification, are permitted provided
|
|
* that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the
|
|
* following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the
|
|
* following disclaimer in the documentation and/or other
|
|
* materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
|
|
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Diagnostics;
|
|
using System.Text;
|
|
using System.Runtime.InteropServices;
|
|
using System.Security.Principal;
|
|
|
|
namespace XenAdmin.Core
|
|
{
|
|
public class Processes
|
|
{
|
|
private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
|
|
|
|
/*
|
|
* Based upon
|
|
* http://blogs.msdn.com/jasonz/archive/2007/05/11/code-sample-is-your-process-using-the-silverlight-clr.aspx
|
|
* and http://www.csharpfriends.com/Forums/ShowPost.aspx?PostID=27395.
|
|
*/
|
|
/// <summary>
|
|
/// Returns the parent Process of the given one, or null on failure.
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public static Process FindParent(Process process)
|
|
{
|
|
int procid = process.Id;
|
|
|
|
Win32.PROCESSENTRY32 pe32 = new Win32.PROCESSENTRY32();
|
|
pe32.dwSize = (uint)Marshal.SizeOf(pe32);
|
|
|
|
Win32.ToolHelpHandle thh = Win32.CreateToolhelp32Snapshot(Win32.SnapshotFlags.Process, 0);
|
|
try
|
|
{
|
|
if (thh.IsInvalid)
|
|
{
|
|
log.Error("CreateToolhelp32Snapshot failed");
|
|
return null;
|
|
}
|
|
|
|
if (Win32.Process32First(thh, ref pe32))
|
|
{
|
|
do
|
|
{
|
|
if (pe32.th32ProcessID == procid)
|
|
{
|
|
return Process.GetProcessById(Convert.ToInt32(pe32.th32ParentProcessID));
|
|
}
|
|
}
|
|
while (Win32.Process32Next(thh, ref pe32));
|
|
|
|
// Maybe the given process has gone away? I don't know if it's possible for a process
|
|
// to have no parent.
|
|
return null;
|
|
}
|
|
else
|
|
{
|
|
log.Error("Process32First failed");
|
|
return null;
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
thh.Close();
|
|
}
|
|
}
|
|
|
|
public static WindowsIdentity GetWindowsIdentity(Process process)
|
|
{
|
|
IntPtr token;
|
|
try
|
|
{
|
|
if (Win32.OpenProcessToken(process.Handle, Win32.TOKEN_ACCESS.TOKEN_QUERY, out token))
|
|
return new WindowsIdentity(token);
|
|
else
|
|
return null;
|
|
}
|
|
catch (Exception exn)
|
|
{
|
|
log.Warn("OpenProcessToken failed", exn);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public static string GetExePath(Process proc)
|
|
{
|
|
StringBuilder sb = new StringBuilder();
|
|
Win32.GetModuleFileNameEx(proc.Handle, IntPtr.Zero, sb, 1024);
|
|
return sb.ToString();
|
|
}
|
|
}
|
|
}
|