Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers...

[reactos.git] / sdk / lib / tdilib / handle.c

diff --git a/sdk/lib/tdilib/handle.c b/sdk/lib/tdilib/handle.c
new file mode 100644 (file)
index 0000000..f7f463f
--- /dev/null
+++ b/sdk/lib/tdilib/handle.c
@@ -0,0 +1,48 @@
+/*
+ * COPYRIGHT:   See COPYING in the top level directory
+ * PROJECT:     ReactOS TDI interface
+ * FILE:        handle.c
+ * PURPOSE:     TDI transport handle management
+ */
+
+#include "precomp.h"
+
+const PWCHAR TcpFileName = L"\\Device\\Tcp";
+
+NTSTATUS openTcpFile(PHANDLE tcpFile, ACCESS_MASK DesiredAccess)
+{
+    UNICODE_STRING fileName;
+    OBJECT_ATTRIBUTES objectAttributes;
+    IO_STATUS_BLOCK ioStatusBlock;
+    NTSTATUS status;
+
+    RtlInitUnicodeString( &fileName, TcpFileName );
+
+    InitializeObjectAttributes( &objectAttributes,
+                                &fileName,
+                                OBJ_CASE_INSENSITIVE,
+                                NULL,
+                                NULL );
+
+    status = NtOpenFile( tcpFile,
+                         DesiredAccess | SYNCHRONIZE,
+                         &objectAttributes,
+                         &ioStatusBlock,
+                         FILE_SHARE_READ | FILE_SHARE_WRITE,
+                         FILE_SYNCHRONOUS_IO_NONALERT);
+
+    /* String does not need to be freed: it points to the constant
+     * string we provided */
+
+    if (!NT_SUCCESS(status))
+        *tcpFile = INVALID_HANDLE_VALUE;
+
+    return status;
+}
+
+VOID closeTcpFile( HANDLE h )
+{
+    ASSERT(h != INVALID_HANDLE_VALUE);
+
+    NtClose( h );
+}