使 Windows 服务像从特定用户运行一样运行 [英] Make windows service run as if it was run from a specific user
问题描述
我想创建一个 Windows 服务来装载和卸载 :
来自 MSDN 的代码:
Process.Start(path + "HelloWorld.exe", args, uname, password, domain);
I want to create a windows service to mount and dismount a True Crypt volume.
(this question is not about true crypt so if you do not know what that program that is ok. True Crypt is just a program that enables you to encrypt data. When you decrypt it then trueCrypt will create a virtual drive where you can see the contents unencrypted).
Here is the code I use in my console application:
static void Main(string[] args)
{
Test();
}
static void Test()
{
try
{
// location where true crypt is installed
const string trueCryptExeLocation = @"C:\Program Files\TrueCrypt\TrueCrypt.exe";
// command line arguments to mount a volume located at 'C:\TC Volumes\vol1.tc' where
// it's password is 'demo' and it will be mounted on drive letter y
const string mountVolumeCmd = @"/v ""C:\TC Volumes\vol1.tc"" /ly /q /p demo /f /a";
// mount the volume on drive letter y
Process.Start(trueCryptExeLocation, mountVolumeCmd).WaitForExit();
// write to the volume!
System.IO.File.WriteAllText("y:\\someFile.txt", "it works");
// wait 30 seconds before dismounting
Thread.Sleep(3000);
// dismount the volume
Process.Start(@"C:\Program Files\TrueCrypt\TrueCrypt.exe", @"/ly /q /d /f");
}
catch (Exception ex)
{
// if there is an error write it to disk
System.IO.File.WriteAllText(@"A:\Dropbox\Eduardo\WindowsNodeService\WindowsNodeService\bin\Debug\startup.txt", ex.ToString());
}
}
That code basically mounts a volume writes to it and dismounts it. IF I run that program this is what I see:
- When I open the program trueCrypt.exe I can see that the volume is actually mounted.
- I can see that the program actually wrote to the file someFile.txt
- The path
Y:\
exist. In other words I can open My Computer and see drive Y.
Now my question is why if I run the same code on a windows service it runs differently but it runns ok with no errors.
In other words having the following windows service:
public partial class Service1 : ServiceBase
{
public Service1()
{
InitializeComponent();
}
protected override void OnStart(string[] args)
{
Test(); // same method as console application
}
protected override void OnStop()
{
}
// etc... Test method implementation
Running that code runs fine. It writes to the file someFile.txt! which is great. The problem is that if I open trueCrypt I do not see the volume mounted in there. Also if I go to My Computer I do not see the drive Y. How can I make my windows service behave like the console application?
If you're using .Net 4.5, you can use this Process.Start call:
Code from MSDN:
Process.Start(path + "HelloWorld.exe", args, uname, password, domain);
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