1 files changed, 102 insertions, 0 deletions
diff --git a/private/nw/ndsutils/getps.c b/private/nw/ndsutils/getps.c
new file mode 100644
index 000000000..a0634bad6
--- /dev/null
+++ b/private/nw/ndsutils/getps.c
@@ -0,0 +1,102 @@
+/***
+
+Copyright (c) 1995  Microsoft Corporation
+
+Module Name:
+
+    GetPs.c
+
+Abstract:
+
+    Command line test for getting the preferred server.
+
+Author:
+
+    Cory West       [corywest] 14-Nov-95
+
+***/
+
+#include "ndsapi32.h"
+
+int
+_cdecl main(
+    int argc,
+    char **argv
+) {
+
+    NTSTATUS ntstatus;
+    IO_STATUS_BLOCK IoStatusBlock;
+    OBJECT_ATTRIBUTES ObjectAttributes;
+    ACCESS_MASK DesiredAccess = SYNCHRONIZE | FILE_LIST_DIRECTORY;
+    HANDLE hRdr;
+
+    WCHAR OpenString[] = L"\\Device\\Nwrdr\\*";
+    UNICODE_STRING OpenName;
+
+    BYTE Reply[64];
+
+    //
+    // Check the arguments.
+    //
+
+    if ( argc != 1 ) {
+        printf( "Usage: getps\n" );
+        printf( "Retrieves the current preferred server.\n" );
+        return -1;
+    }
+
+    //
+    // Set up the object attributes.
+    //
+
+    RtlInitUnicodeString( &OpenName, OpenString );
+
+    InitializeObjectAttributes( &ObjectAttributes,
+                                &OpenName,
+                                OBJ_CASE_INSENSITIVE,
+                                NULL,
+                                NULL );
+
+    ntstatus = NtOpenFile( &hRdr,
+                           DesiredAccess,
+                           &ObjectAttributes,
+                           &IoStatusBlock,
+                           FILE_SHARE_VALID_FLAGS,
+                           FILE_SYNCHRONOUS_IO_NONALERT );
+
+    if ( !NT_SUCCESS(ntstatus) )
+        return ntstatus;
+
+    //
+    // Call the nwrdr.
+    //
+
+    ntstatus = NtFsControlFile( hRdr,
+                                NULL,
+                                NULL,
+                                NULL,
+                                &IoStatusBlock,
+                                FSCTL_NWR_GET_PREFERRED_SERVER,
+                                NULL,
+                                0,
+                                (PVOID) Reply,
+                                sizeof( Reply ) );
+
+    if ( !NT_SUCCESS( ntstatus ) ) {
+        printf( "No preferred server is currently set.\n" );
+        goto ExitWithClose;
+    }
+
+    //
+    // On success the output buffer contains a UNICODE_STRING
+    // with the string packed in afterwards.
+    //
+
+    printf( "Preferred Server: %wZ\n", (PUNICODE_STRING) Reply );
+
+ExitWithClose:
+
+   NtClose( hRdr );
+   return ntstatus;
+
+}