nsiproxy: Create the nsi device.

configure

@@ -1526,6 +1526,7 @@ enable_normaliz
 enable_npmshtml
 enable_npptools
 enable_nsi
+enable_nsiproxy_sys
 enable_ntdll
 enable_ntdsapi
 enable_ntoskrnl_exe
@@ -20822,6 +20823,7 @@ wine_fn_config_makefile dlls/npmshtml enable_npmshtml
 wine_fn_config_makefile dlls/npptools enable_npptools
 wine_fn_config_makefile dlls/nsi enable_nsi
 wine_fn_config_makefile dlls/nsi/tests enable_tests
+wine_fn_config_makefile dlls/nsiproxy.sys enable_nsiproxy_sys
 wine_fn_config_makefile dlls/ntdll enable_ntdll
 wine_fn_config_makefile dlls/ntdll/tests enable_tests
 wine_fn_config_makefile dlls/ntdsapi enable_ntdsapi

configure.ac

@@ -3498,6 +3498,7 @@ WINE_CONFIG_MAKEFILE(dlls/npmshtml)
 WINE_CONFIG_MAKEFILE(dlls/npptools)
 WINE_CONFIG_MAKEFILE(dlls/nsi)
 WINE_CONFIG_MAKEFILE(dlls/nsi/tests)
+WINE_CONFIG_MAKEFILE(dlls/nsiproxy.sys)
 WINE_CONFIG_MAKEFILE(dlls/ntdll)
 WINE_CONFIG_MAKEFILE(dlls/ntdll/tests)
 WINE_CONFIG_MAKEFILE(dlls/ntdsapi)

dlls/nsiproxy.sys/Makefile.in

+MODULE    = nsiproxy.sys
+IMPORTS   = ntoskrnl
+EXTRADLLFLAGS = -Wl,--subsystem,native
+
+C_SRCS = \
+	device.c

dlls/nsiproxy.sys/device.c

+/*
+ * nsiproxy.sys
+ *
+ * Copyright 2021 Huw Davies
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <stdarg.h>
+
+#define NONAMELESSUNION
+#include "ntstatus.h"
+#define WIN32_NO_STATUS
+#include "windef.h"
+#include "winbase.h"
+#include "winternl.h"
+#include "winioctl.h"
+#include "ddk/wdm.h"
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(nsi);
+
+static NTSTATUS WINAPI nsi_ioctl( DEVICE_OBJECT *device, IRP *irp )
+{
+    IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation( irp );
+
+    TRACE( "ioctl %x insize %u outsize %u\n",
+           irpsp->Parameters.DeviceIoControl.IoControlCode,
+           irpsp->Parameters.DeviceIoControl.InputBufferLength,
+           irpsp->Parameters.DeviceIoControl.OutputBufferLength );
+
+    switch (irpsp->Parameters.DeviceIoControl.IoControlCode)
+    {
+    default:
+        FIXME( "ioctl %x not supported\n", irpsp->Parameters.DeviceIoControl.IoControlCode );
+        irp->IoStatus.u.Status = STATUS_NOT_SUPPORTED;
+        break;
+    }
+
+    IoCompleteRequest( irp, IO_NO_INCREMENT );
+    return STATUS_SUCCESS;
+}
+
+static int add_device( DRIVER_OBJECT *driver )
+{
+    static const WCHAR name_str[] = {'\\','D','e','v','i','c','e','\\','N','s','i',0};
+    static const WCHAR link_str[] = {'\\','?','?','\\','N','s','i',0};
+    UNICODE_STRING name, link;
+    DEVICE_OBJECT *device;
+    NTSTATUS status;
+
+    RtlInitUnicodeString( &name, name_str );
+    RtlInitUnicodeString( &link, link_str );
+
+    if (!(status = IoCreateDevice( driver, 0, &name, FILE_DEVICE_NETWORK, FILE_DEVICE_SECURE_OPEN, FALSE, &device )))
+        status = IoCreateSymbolicLink( &link, &name );
+    if (status)
+    {
+        FIXME( "failed to create device error %x\n", status );
+        return 0;
+    }
+
+    return 1;
+}
+
+NTSTATUS WINAPI DriverEntry( DRIVER_OBJECT *driver, UNICODE_STRING *path )
+{
+    TRACE( "(%p, %s)\n", driver, debugstr_w( path->Buffer ) );
+
+    driver->MajorFunction[IRP_MJ_DEVICE_CONTROL] = nsi_ioctl;
+
+    add_device( driver );
+
+    return STATUS_SUCCESS;
+}

dlls/nsiproxy.sys/nsiproxy.sys.spec

+# no exported functions

loader/wine.inf.in

@@ -165,6 +165,7 @@ AddService=Schedule,0,TaskSchedulerService
 AddService=Winmgmt,0,WinmgmtService
 AddService=wuauserv,0,wuauService
 AddService=NDIS,0x800,NDISService
+AddService=nsiproxy,0x800,NsiProxyService
 
 [DefaultInstall.NT.Services]
 AddService=BITS,0,BITSService
@@ -184,6 +185,7 @@ AddService=Schedule,0,TaskSchedulerService
 AddService=Winmgmt,0,WinmgmtService
 AddService=wuauserv,0,wuauService
 AddService=NDIS,0x800,NDISService
+AddService=nsiproxy,0x800,NsiProxyService
 
 [DefaultInstall.ntamd64.Services]
 AddService=BITS,0,BITSService
@@ -203,6 +205,7 @@ AddService=Schedule,0,TaskSchedulerService
 AddService=Winmgmt,0,WinmgmtService
 AddService=wuauserv,0,wuauService
 AddService=NDIS,0x800,NDISService
+AddService=nsiproxy,0x800,NsiProxyService
 
 [DefaultInstall.ntarm64.Services]
 AddService=BITS,0,BITSService
@@ -222,6 +225,7 @@ AddService=Schedule,0,TaskSchedulerService
 AddService=Winmgmt,0,WinmgmtService
 AddService=wuauserv,0,wuauService
 AddService=NDIS,0x800,NDISService
+AddService=nsiproxy,0x800,NsiProxyService
 
 [Strings]
 MciExtStr="Software\Microsoft\Windows NT\CurrentVersion\MCI Extensions"
@@ -3779,6 +3783,15 @@ StartType=2
 ErrorControl=1
 LoadOrderGroup="System Bus Extender"
 
+[NsiProxyService]
+Description="NSI proxy service"
+DisplayName="NSI Proxy"
+ServiceBinary="%12%\nsiproxy.sys"
+ServiceType=1
+StartType=2
+ErrorControl=1
+LoadOrderGroup="System Bus Extender"
+
 [RpcSsService]
 Description="RPC service"
 DisplayName="Remote Procedure Call (RPC)"