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Enable shutdown privilege before calling PInvoke for shutdown and start

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This commit is contained in:
Jack251970 2025-02-18 00:08:15 +08:00
parent e93699b37d
commit 1809314842
2 changed files with 63 additions and 7 deletions
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63
Plugins/Flow.Launcher.Plugin.Sys/Main.cs
View file

@ -2,6 +2,7 @@
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Runtime.InteropServices;
using System.Windows;
using Flow.Launcher.Infrastructure;
using Flow.Launcher.Infrastructure.Logger;
@ -9,6 +10,7 @@ using Flow.Launcher.Infrastructure.UserSettings;
using Flow.Launcher.Plugin.SharedCommands;
using Windows.Win32;
using Windows.Win32.Foundation;
using Windows.Win32.Security;
using Windows.Win32.System.Shutdown;
using Application = System.Windows.Application;
using Control = System.Windows.Controls.Control;
@ -20,6 +22,8 @@ namespace Flow.Launcher.Plugin.Sys
private PluginInitContext context;
private Dictionary<string, string> KeywordTitleMappings = new Dictionary<string, string>();
private const string SE_SHUTDOWN_NAME = "SeShutdownPrivilege";
public Control CreateSettingPanel()
{
var results = Commands();
@ -100,6 +104,44 @@ namespace Flow.Launcher.Plugin.Sys
};
}
private static unsafe bool EnableShutdownPrivilege()
{
try
{
if (!PInvoke.OpenProcessToken(Process.GetCurrentProcess().SafeHandle, TOKEN_ACCESS_MASK.TOKEN_ADJUST_PRIVILEGES | TOKEN_ACCESS_MASK.TOKEN_QUERY, out var tokenHandle))
{
return false;
}
if (!PInvoke.LookupPrivilegeValue(null, SE_SHUTDOWN_NAME, out var luid))
{
return false;
}
var privileges = new TOKEN_PRIVILEGES
{
PrivilegeCount = 1,
Privileges = new() { e0 = new LUID_AND_ATTRIBUTES { Luid = luid, Attributes = TOKEN_PRIVILEGES_ATTRIBUTES.SE_PRIVILEGE_ENABLED } }
};
if (!PInvoke.AdjustTokenPrivileges(tokenHandle, false, &privileges, 0, null, null))
{
return false;
}
if (Marshal.GetLastWin32Error() != (int)WIN32_ERROR.NO_ERROR)
{
return false;
}
return true;
}
catch (Exception)
{
return false;
}
}
private List<Result> Commands()
{
var results = new List<Result>();
@ -125,8 +167,11 @@ namespace Flow.Launcher.Plugin.Sys
// software updates, or other predefined reasons.
// SHTDN_REASON_FLAG_PLANNED marks the shutdown as planned rather than an unexpected shutdown or failure
if (result == MessageBoxResult.Yes)
PInvoke.ExitWindowsEx(EXIT_WINDOWS_FLAGS.EWX_SHUTDOWN | EXIT_WINDOWS_FLAGS.EWX_POWEROFF,
SHUTDOWN_REASON.SHTDN_REASON_MAJOR_OTHER | SHUTDOWN_REASON.SHTDN_REASON_FLAG_PLANNED);
if (EnableShutdownPrivilege())
PInvoke.ExitWindowsEx(EXIT_WINDOWS_FLAGS.EWX_SHUTDOWN | EXIT_WINDOWS_FLAGS.EWX_POWEROFF,
SHUTDOWN_REASON.SHTDN_REASON_MAJOR_OTHER | SHUTDOWN_REASON.SHTDN_REASON_FLAG_PLANNED);
else
Process.Start("shutdown", "/s /t 0");
return true;
}
@ -145,8 +190,11 @@ namespace Flow.Launcher.Plugin.Sys
MessageBoxButton.YesNo, MessageBoxImage.Warning);
if (result == MessageBoxResult.Yes)
PInvoke.ExitWindowsEx(EXIT_WINDOWS_FLAGS.EWX_REBOOT,
SHUTDOWN_REASON.SHTDN_REASON_MAJOR_OTHER | SHUTDOWN_REASON.SHTDN_REASON_FLAG_PLANNED);
if (EnableShutdownPrivilege())
PInvoke.ExitWindowsEx(EXIT_WINDOWS_FLAGS.EWX_REBOOT,
SHUTDOWN_REASON.SHTDN_REASON_MAJOR_OTHER | SHUTDOWN_REASON.SHTDN_REASON_FLAG_PLANNED);
else
Process.Start("shutdown", "/r /t 0");
return true;
}
@ -165,8 +213,11 @@ namespace Flow.Launcher.Plugin.Sys
MessageBoxButton.YesNo, MessageBoxImage.Warning);
if (result == MessageBoxResult.Yes)
PInvoke.ExitWindowsEx(EXIT_WINDOWS_FLAGS.EWX_REBOOT | EXIT_WINDOWS_FLAGS.EWX_BOOTOPTIONS,
SHUTDOWN_REASON.SHTDN_REASON_MAJOR_OTHER | SHUTDOWN_REASON.SHTDN_REASON_FLAG_PLANNED);
if (EnableShutdownPrivilege())
PInvoke.ExitWindowsEx(EXIT_WINDOWS_FLAGS.EWX_REBOOT | EXIT_WINDOWS_FLAGS.EWX_BOOTOPTIONS,
SHUTDOWN_REASON.SHTDN_REASON_MAJOR_OTHER | SHUTDOWN_REASON.SHTDN_REASON_FLAG_PLANNED);
else
Process.Start("shutdown", "/r /o /t 0");
return true;
}

7
Plugins/Flow.Launcher.Plugin.Sys/NativeMethods.txt
View file

@ -3,4 +3,9 @@ LockWorkStation
SHEmptyRecycleBin
S_OK
E_UNEXPECTED
SetSuspendState
SetSuspendState
OpenProcessToken
WIN32_ERROR
LookupPrivilegeValue
AdjustTokenPrivileges
TOKEN_PRIVILEGES