mirror of
https://github.com/greenshot/greenshot.git
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110 lines
4.7 KiB
C#
110 lines
4.7 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2021 Thomas Braun, Jens Klingen, Robin Krom
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*
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* For more information see: http://getgreenshot.org/
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* The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Runtime.InteropServices;
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using System.Text;
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using GreenshotPlugin.UnmanagedHelpers.Enums;
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namespace GreenshotPlugin.UnmanagedHelpers {
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/// <summary>
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/// Description of Kernel32.
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/// </summary>
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public class Kernel32 {
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public const uint ATTACHCONSOLE_ATTACHPARENTPROCESS = 0x0ffffffff; // default value if not specifing a process ID
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[DllImport("kernel32", SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool AttachConsole(uint dwProcessId);
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[DllImport("kernel32", SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool AllocConsole();
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[DllImport("kernel32", SetLastError = true)]
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public static extern IntPtr OpenThread(ThreadAccess dwDesiredAccess, bool bInheritHandle, uint dwThreadId);
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[DllImport("kernel32", SetLastError = true)]
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public static extern uint SuspendThread(IntPtr hThread);
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[DllImport("kernel32", SetLastError = true)]
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public static extern int ResumeThread(IntPtr hThread);
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[DllImport("kernel32", SetLastError = true)]
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public static extern IntPtr OpenProcess(ProcessAccessFlags dwDesiredAccess, bool bInheritHandle, int dwProcessId);
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[DllImport("kernel32", SetLastError = true, CharSet = CharSet.Unicode)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool QueryFullProcessImageName(IntPtr hProcess, uint dwFlags, StringBuilder lpExeName, ref uint lpdwSize);
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[DllImport("kernel32", SetLastError = true, CharSet = CharSet.Unicode)]
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public static extern uint QueryDosDevice(string lpDeviceName, StringBuilder lpTargetPath, uint uuchMax);
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[DllImport("kernel32", SetLastError = true, CharSet = CharSet.Unicode)]
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public static extern IntPtr GetModuleHandle(string lpModuleName);
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[DllImport("kernel32", SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool CloseHandle(IntPtr hObject);
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/// <summary>
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/// Method to get the process path
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/// </summary>
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/// <param name="processid"></param>
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/// <returns></returns>
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public static string GetProcessPath(int processid) {
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StringBuilder _PathBuffer = new StringBuilder(512);
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// Try the GetModuleFileName method first since it's the fastest.
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// May return ACCESS_DENIED (due to VM_READ flag) if the process is not owned by the current user.
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// Will fail if we are compiled as x86 and we're trying to open a 64 bit process...not allowed.
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IntPtr hprocess = OpenProcess(ProcessAccessFlags.QueryInformation | ProcessAccessFlags.VMRead, false, processid);
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if (hprocess != IntPtr.Zero) {
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try {
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if (PsAPI.GetModuleFileNameEx(hprocess, IntPtr.Zero, _PathBuffer, (uint)_PathBuffer.Capacity) > 0) {
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return _PathBuffer.ToString();
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}
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} finally {
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CloseHandle(hprocess);
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}
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}
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hprocess = OpenProcess(ProcessAccessFlags.QueryInformation, false, processid);
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if (hprocess != IntPtr.Zero) {
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try {
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// Try this method for Vista or higher operating systems
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uint size = (uint)_PathBuffer.Capacity;
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if ((Environment.OSVersion.Version.Major >= 6) && (QueryFullProcessImageName(hprocess, 0, _PathBuffer, ref size) && (size > 0))) {
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return _PathBuffer.ToString();
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}
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// Try the GetProcessImageFileName method
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if (PsAPI.GetProcessImageFileName(hprocess, _PathBuffer, (uint)_PathBuffer.Capacity) > 0) {
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string dospath = _PathBuffer.ToString();
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foreach (string drive in Environment.GetLogicalDrives()) {
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if (QueryDosDevice(drive.TrimEnd('\\'), _PathBuffer, (uint)_PathBuffer.Capacity) > 0) {
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if (dospath.StartsWith(_PathBuffer.ToString())) {
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return drive + dospath.Remove(0, _PathBuffer.Length);
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}
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}
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}
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}
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} finally {
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CloseHandle(hprocess);
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}
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}
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return string.Empty;
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}
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}
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}
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