Alexandre Julliard : wineandroid: Create a pseudo-device to handle ioctl calls.
Alexandre Julliard
julliard at winehq.org
Thu Jun 1 18:49:37 CDT 2017
Module: wine
Branch: master
Commit: 481e9ff8ba7e20731f4597c5c08e1cbeed1baa98
URL: http://source.winehq.org/git/wine.git/?a=commit;h=481e9ff8ba7e20731f4597c5c08e1cbeed1baa98
Author: Alexandre Julliard <julliard at winehq.org>
Date: Thu Jun 1 09:39:20 2017 +0200
wineandroid: Create a pseudo-device to handle ioctl calls.
This will allow using ioctls to perform operations in the context of
the desktop process.
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/wineandroid.drv/Makefile.in | 3 +-
dlls/wineandroid.drv/android.h | 7 +++
dlls/wineandroid.drv/device.c | 132 +++++++++++++++++++++++++++++++++++++++
dlls/wineandroid.drv/window.c | 1 +
4 files changed, 142 insertions(+), 1 deletion(-)
diff --git a/dlls/wineandroid.drv/Makefile.in b/dlls/wineandroid.drv/Makefile.in
index f83d494..f03f09a 100644
--- a/dlls/wineandroid.drv/Makefile.in
+++ b/dlls/wineandroid.drv/Makefile.in
@@ -1,7 +1,8 @@
MODULE = wineandroid.drv
-IMPORTS = user32 gdi32
+IMPORTS = user32 gdi32 ntoskrnl
C_SRCS = \
+ device.c \
init.c \
window.c
diff --git a/dlls/wineandroid.drv/android.h b/dlls/wineandroid.drv/android.h
index 9fefb11..9cafe26 100644
--- a/dlls/wineandroid.drv/android.h
+++ b/dlls/wineandroid.drv/android.h
@@ -44,6 +44,13 @@ DECL_FUNCPTR( __android_log_print );
/**************************************************************************
+ * Android pseudo-device
+ */
+
+extern void start_android_device(void) DECLSPEC_HIDDEN;
+
+
+/**************************************************************************
* USER driver
*/
diff --git a/dlls/wineandroid.drv/device.c b/dlls/wineandroid.drv/device.c
new file mode 100644
index 0000000..3180d69
--- /dev/null
+++ b/dlls/wineandroid.drv/device.c
@@ -0,0 +1,132 @@
+/*
+ * Android pseudo-device handling
+ *
+ * Copyright 2014-2017 Alexandre Julliard
+ *
+ * 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 "config.h"
+#include "wine/port.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/ioctl.h>
+
+#define NONAMELESSUNION
+#define NONAMELESSSTRUCT
+
+#include "ntstatus.h"
+#define WIN32_NO_STATUS
+#include "windef.h"
+#include "winbase.h"
+#include "winternl.h"
+#include "winioctl.h"
+#include "ddk/wdm.h"
+#include "android.h"
+#include "wine/library.h"
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(android);
+
+extern NTSTATUS CDECL wine_ntoskrnl_main_loop( HANDLE stop_event );
+static HANDLE stop_event;
+static HANDLE thread;
+static JNIEnv *jni_env;
+
+#ifdef __i386__
+static WORD orig_fs, java_fs;
+#endif /* __i386__ */
+
+static NTSTATUS WINAPI ioctl_callback( DEVICE_OBJECT *device, IRP *irp )
+{
+ IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation( irp );
+
+ FIXME( "ioctl %x not supported\n", irpsp->Parameters.DeviceIoControl.IoControlCode );
+ irp->IoStatus.u.Status = STATUS_NOT_SUPPORTED;
+
+ IoCompleteRequest( irp, IO_NO_INCREMENT );
+ return STATUS_SUCCESS;
+}
+
+static NTSTATUS CALLBACK init_android_driver( DRIVER_OBJECT *driver, UNICODE_STRING *name )
+{
+ static const WCHAR device_nameW[] = {'\\','D','e','v','i','c','e','\\','W','i','n','e','A','n','d','r','o','i','d',0 };
+ static const WCHAR device_linkW[] = {'\\','?','?','\\','W','i','n','e','A','n','d','r','o','i','d',0 };
+
+ UNICODE_STRING nameW, linkW;
+ DEVICE_OBJECT *device;
+ NTSTATUS status;
+
+ driver->MajorFunction[IRP_MJ_DEVICE_CONTROL] = ioctl_callback;
+
+ RtlInitUnicodeString( &nameW, device_nameW );
+ RtlInitUnicodeString( &linkW, device_linkW );
+
+ if ((status = IoCreateDevice( driver, 0, &nameW, 0, 0, FALSE, &device ))) return status;
+ return IoCreateSymbolicLink( &linkW, &nameW );
+}
+
+static DWORD CALLBACK device_thread( void *arg )
+{
+ static const WCHAR driver_nameW[] = {'\\','D','r','i','v','e','r','\\','W','i','n','e','A','n','d','r','o','i','d',0 };
+
+ HANDLE start_event = arg;
+ UNICODE_STRING nameW;
+ NTSTATUS status;
+ JavaVM *java_vm;
+ DWORD ret;
+
+ TRACE( "starting process %x\n", GetCurrentProcessId() );
+
+ if (!(java_vm = wine_get_java_vm())) return 0; /* not running under Java */
+
+#ifdef __i386__
+ orig_fs = wine_get_fs();
+ (*java_vm)->AttachCurrentThread( java_vm, &jni_env, 0 );
+ java_fs = wine_get_fs();
+ wine_set_fs( orig_fs );
+ if (java_fs != orig_fs) TRACE( "%%fs changed from %04x to %04x by Java VM\n", orig_fs, java_fs );
+#else
+ (*java_vm)->AttachCurrentThread( java_vm, &jni_env, 0 );
+#endif
+
+ RtlInitUnicodeString( &nameW, driver_nameW );
+ if ((status = IoCreateDriver( &nameW, init_android_driver )))
+ {
+ FIXME( "failed to create driver error %x\n", status );
+ return status;
+ }
+
+ stop_event = CreateEventW( NULL, TRUE, FALSE, NULL );
+ SetEvent( start_event );
+
+ ret = wine_ntoskrnl_main_loop( stop_event );
+
+ (*java_vm)->DetachCurrentThread( java_vm );
+ return ret;
+}
+
+void start_android_device(void)
+{
+ HANDLE handles[2];
+
+ handles[0] = CreateEventW( NULL, TRUE, FALSE, NULL );
+ handles[1] = thread = CreateThread( NULL, 0, device_thread, handles[0], 0, NULL );
+ WaitForMultipleObjects( 2, handles, FALSE, INFINITE );
+ CloseHandle( handles[0] );
+}
diff --git a/dlls/wineandroid.drv/window.c b/dlls/wineandroid.drv/window.c
index cf35215..971fd56 100644
--- a/dlls/wineandroid.drv/window.c
+++ b/dlls/wineandroid.drv/window.c
@@ -307,6 +307,7 @@ BOOL CDECL ANDROID_CreateWindow( HWND hwnd )
if (hwnd == GetDesktopWindow())
{
init_event_queue();
+ start_android_device();
}
return TRUE;
}
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