server: FSCTL_PIPE_LISTEN on a pipe client should return STATUS_ILLEGAL_FUNCTION.

dlls/kernel32/tests/pipe.c

@@ -224,6 +224,12 @@ static void test_CreateNamedPipe(int pipemode)
 
     ok(GetLastError() == ERROR_SEM_TIMEOUT, "wrong error %u\n", GetLastError());
 
+    /* Test ConnectNamedPipe() in both directions */
+    ok(!ConnectNamedPipe(hnp, NULL), "ConnectNamedPipe(server) succeeded\n");
+    ok(GetLastError() == ERROR_PIPE_CONNECTED, "expected ERROR_PIPE_CONNECTED, got %u\n", GetLastError());
+    ok(!ConnectNamedPipe(hFile, NULL), "ConnectNamedPipe(client) succeeded\n");
+    ok(GetLastError() == ERROR_INVALID_FUNCTION, "expected ERROR_INVALID_FUNCTION, got %u\n", GetLastError());
+
     /* don't try to do i/o if one side couldn't be opened, as it hangs */
     if (hFile != INVALID_HANDLE_VALUE) {
         HANDLE hFile2;

dlls/ntdll/tests/pipe.c

@@ -256,6 +256,9 @@ static void test_create(void)
                    res, access[k], sharing[j]);
                 ok(info.NamedPipeConfiguration == pipe_config[j], "wrong duplex status for pipe: %d, expected %d\n",
                    info.NamedPipeConfiguration, pipe_config[j]);
+
+                res = listen_pipe(hclient, hEvent, &iosb, FALSE);
+                ok(res == STATUS_ILLEGAL_FUNCTION, "expected STATUS_ILLEGAL_FUNCTION, got %x\n", res);
                 CloseHandle(hclient);
             }
 

server/named_pipe.c

@@ -876,6 +876,10 @@ static int pipe_client_ioctl( struct fd *fd, ioctl_code_t code, struct async *as
 
     switch(code)
     {
+    case FSCTL_PIPE_LISTEN:
+        set_error( STATUS_ILLEGAL_FUNCTION );
+        return 0;
+
     case FSCTL_PIPE_PEEK:
         return pipe_end_peek( &client->pipe_end );