Comments (8)
I have moved PipeConnection.PipeStream to public properties for advanced use.
/// <summary>
/// Raw pipe stream. You can cast it to <see cref="NamedPipeClientStream"/> or <see cref="NamedPipeServerStream"/>.
/// </summary>
public PipeStream PipeStream { get; }
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Absolutely, thanks for all the help.
H.Pipes looks like a promising project 👍
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Added in the latest release. Usage:
server.ClientConnected += async (o, args) =>
{
var name = args.Connection.GetImpersonationUserName();
Console.WriteLine($"Client {name} is now connected!");
};
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Nice!
It seems like there is an issue with the latest versions (1.15.7 and 1.15.8) in nuget tho:
I get this when trying to debug in Visual studio 2022, with 1.15.6 it works
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Yes, I forgot to release new versions of Formatter packages after refactoring. Should be fixed in the latest version.
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Awesome, that worked 👍
Looking further into it, there also seems like there is a way to get the PID of the client process
`[DllImport("kernel32.dll", SetLastError = true)]
internal static extern bool GetNamedPipeClientProcessId(IntPtr Pipe, out int ClientProcessId);
int GetNamedPipeClientProcessId(NamedPipeServerStream pipeServer)
{
var hPipe = pipeServer.SafePipeHandle.DangerousGetHandle();
if (GetNamedPipeClientProcessId(hPipe, out var clientProcessId))
{
return clientProcessId;
}
else
{
var error = Marshal.GetLastWin32Error();
return 0;
}
}`
This works great if called straight from the NamedPipeServerStream, but this is not exposed in H.Pipes.
Could this also be implemented?
I took a stab at it myself but have not yet found a way to import GetNamedPipeClientProcessId into H.Pipes.
A possible solution could be to pass the NamedPipeServerStream into ConnectionEventArgs, but I guess that would be less than optimal.
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I found a way 🤡
I'm not quite sure were to place the dll reference, I did a temporary placement in EventExtensions.cs
[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool GetNamedPipeClientProcessId(IntPtr Pipe, out int ClientProcessId);
and then just place this in PipeConnection.cs
` ///
/// Gets the process PID of the client on the other end of the pipe.
///
/// The process PID of the client on the other end of the pipe.
/// is not .
/// No pipe connections have been made yet.
/// The connected pipe has already disconnected.
/// The pipe handle has not been set.
/// The pipe is closed.
/// The pipe connection has been broken.
/// The process PID of the client is longer than 19 characters.
public int GetNamedPipeClientProcessId()
{
if (PipeStream is not NamedPipeServerStream serverStream)
{
throw new InvalidOperationException($"{nameof(PipeStream)} is not {nameof(NamedPipeServerStream)}.");
}
var hPipe = PipeStream.SafePipeHandle.DangerousGetHandle();
if (EventExtensions.GetNamedPipeClientProcessId(hPipe, out var clientProcessId))
{
return clientProcessId;
}
else
{
var error = Marshal.GetLastWin32Error();
return 0;
}
}
`
We can then call it the same way as GetImpersonationUserName
var test = args.Connection.GetNamedPipeClientProcessId();
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I am guessing that you can just add an Extension method for the PipeConnection
.
I don't want to add Win32 API calls to the library at the moment.
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Related Issues (20)
- SemaphoreFullException when CancellationToken is cancelled before semaphore is entered
- Feature request: Have a connection identifier on the server based on a client connection HOT 3
- Application getting terminated HOT 5
- The server stops working HOT 8
- Feature request: Support CreatePipeStreamFunc on the client as well
- Handles are not disposed HOT 1
- Implementation questions HOT 1
- Different Send and Receive Types Info Request HOT 1
- Compiler Errors: Tests, 4.8
- .NET 8 support HOT 2
- Does this library support read-only or write-only? HOT 11
- ConsoleApp sample server generates an exception with .NET 8.0 HOT 3
- Couldn't send data in specflow testing application via pipes
- Cannot access a disposed object. HOT 3
- I am getting below issue when i am communicating from .net framework app to .net 7 HOT 6
- MessagePack Unions not serialized correctly. HOT 2
- Security question(s) regarding BinaryFormatter HOT 6
- Explore possibility to use DataFlow Task Parallel library
- Exception in IPC call HOT 3
- MemoryPack support HOT 2
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