server: Pass the file instead of the device pointer in all IRP requests.

dlls/ntoskrnl.exe/ntoskrnl.c

@@ -131,14 +131,6 @@ static HANDLE get_device_manager(void)
 static NTSTATUS dispatch_irp( DEVICE_OBJECT *device, IRP *irp )
 {
     LARGE_INTEGER count;
-    FILE_OBJECT file;
-
-    irp->RequestorMode = UserMode;
-    irp->Tail.Overlay.OriginalFileObject = &file;
-
-    memset( &file, 0x88, sizeof(file) );
-    file.FsContext = NULL;
-    file.FsContext2 = NULL;
 
     KeQueryTickCount( &count );  /* update the global KeTickCount */
 
@@ -185,6 +177,7 @@ static NTSTATUS dispatch_create( const irp_params_t *params, void *in_buff, ULON
     irpsp->Parameters.Create.EaLength = 0;
 
     irp->Tail.Overlay.OriginalFileObject = file;
+    irp->RequestorMode = UserMode;
     irp->AssociatedIrp.SystemBuffer = NULL;
     irp->UserBuffer = NULL;
     irp->UserIosb = irp_handle; /* note: we abuse UserIosb to store the server irp handle */
@@ -227,6 +220,7 @@ static NTSTATUS dispatch_close( const irp_params_t *params, void *in_buff, ULONG
     irpsp->Parameters.Create.EaLength = 0;
 
     irp->Tail.Overlay.OriginalFileObject = file;
+    irp->RequestorMode = UserMode;
     irp->AssociatedIrp.SystemBuffer = NULL;
     irp->UserBuffer = NULL;
     irp->UserIosb = irp_handle; /* note: we abuse UserIosb to store the server irp handle */
@@ -247,11 +241,15 @@ static NTSTATUS dispatch_read( const irp_params_t *params, void *in_buff, ULONG
     void *out_buff;
     LARGE_INTEGER offset;
     IO_STACK_LOCATION *irpsp;
-    DEVICE_OBJECT *device = wine_server_get_ptr( params->read.device );
+    DEVICE_OBJECT *device;
+    FILE_OBJECT *file = wine_server_get_ptr( params->read.file );
+
+    if (!file) return STATUS_INVALID_HANDLE;
 
+    device = file->DeviceObject;
     if (!device->DriverObject->MajorFunction[IRP_MJ_READ]) return STATUS_NOT_SUPPORTED;
 
-    TRACE( "device %p size %u\n", device, out_size );
+    TRACE( "device %p file %p size %u\n", device, file, out_size );
 
     if (!(out_buff = HeapAlloc( GetProcessHeap(), 0, out_size ))) return STATUS_NO_MEMORY;
 
@@ -265,6 +263,9 @@ static NTSTATUS dispatch_read( const irp_params_t *params, void *in_buff, ULONG
         return STATUS_NO_MEMORY;
     }
 
+    irp->Tail.Overlay.OriginalFileObject = file;
+    irp->RequestorMode = UserMode;
+
     irpsp = IoGetNextIrpStackLocation( irp );
     irpsp->Parameters.Read.Key = params->read.key;
 
@@ -278,11 +279,15 @@ static NTSTATUS dispatch_write( const irp_params_t *params, void *in_buff, ULONG
     IRP *irp;
     LARGE_INTEGER offset;
     IO_STACK_LOCATION *irpsp;
-    DEVICE_OBJECT *device = wine_server_get_ptr( params->write.device );
+    DEVICE_OBJECT *device;
+    FILE_OBJECT *file = wine_server_get_ptr( params->write.file );
 
+    if (!file) return STATUS_INVALID_HANDLE;
+
+    device = file->DeviceObject;
     if (!device->DriverObject->MajorFunction[IRP_MJ_WRITE]) return STATUS_NOT_SUPPORTED;
 
-    TRACE( "device %p size %u\n", device, in_size );
+    TRACE( "device %p file %p size %u\n", device, file, in_size );
 
     offset.QuadPart = params->write.pos;
 
@@ -291,6 +296,9 @@ static NTSTATUS dispatch_write( const irp_params_t *params, void *in_buff, ULONG
                                               &offset, NULL, irp_handle )))
         return STATUS_NO_MEMORY;
 
+    irp->Tail.Overlay.OriginalFileObject = file;
+    irp->RequestorMode = UserMode;
+
     irpsp = IoGetNextIrpStackLocation( irp );
     irpsp->Parameters.Write.Key = params->write.key;
 
@@ -302,17 +310,24 @@ static NTSTATUS dispatch_flush( const irp_params_t *params, void *in_buff, ULONG
                                 ULONG out_size, HANDLE irp_handle )
 {
     IRP *irp;
-    DEVICE_OBJECT *device = wine_server_get_ptr( params->flush.device );
+    DEVICE_OBJECT *device;
+    FILE_OBJECT *file = wine_server_get_ptr( params->flush.file );
 
+    if (!file) return STATUS_INVALID_HANDLE;
+
+    device = file->DeviceObject;
     if (!device->DriverObject->MajorFunction[IRP_MJ_FLUSH_BUFFERS]) return STATUS_NOT_SUPPORTED;
 
-    TRACE( "device %p\n", device );
+    TRACE( "device %p file %p\n", device, file );
 
     /* note: we abuse UserIosb to store the server irp handle */
     if (!(irp = IoBuildSynchronousFsdRequest( IRP_MJ_FLUSH_BUFFERS, device, in_buff, in_size,
                                               NULL, NULL, irp_handle )))
         return STATUS_NO_MEMORY;
 
+    irp->Tail.Overlay.OriginalFileObject = file;
+    irp->RequestorMode = UserMode;
+
     return dispatch_irp( device, irp );
 }
 
@@ -322,11 +337,16 @@ static NTSTATUS dispatch_ioctl( const irp_params_t *params, void *in_buff, ULONG
 {
     IRP *irp;
     void *out_buff = NULL;
-    DEVICE_OBJECT *device = wine_server_get_ptr( params->ioctl.device );
+    DEVICE_OBJECT *device;
+    FILE_OBJECT *file = wine_server_get_ptr( params->ioctl.file );
+
+    if (!file) return STATUS_INVALID_HANDLE;
 
+    device = file->DeviceObject;
     if (!device->DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL]) return STATUS_NOT_SUPPORTED;
 
-    TRACE( "ioctl %x device %p in_size %u out_size %u\n", params->ioctl.code, device, in_size, out_size );
+    TRACE( "ioctl %x device %p file %p in_size %u out_size %u\n",
+           params->ioctl.code, device, file, in_size, out_size );
 
     if ((params->ioctl.code & 3) == METHOD_BUFFERED) out_size = max( in_size, out_size );
 
@@ -348,6 +368,10 @@ static NTSTATUS dispatch_ioctl( const irp_params_t *params, void *in_buff, ULONG
         HeapFree( GetProcessHeap(), 0, out_buff );
         return STATUS_NO_MEMORY;
     }
+
+    irp->Tail.Overlay.OriginalFileObject = file;
+    irp->RequestorMode = UserMode;
+
     return dispatch_irp( device, irp );
 }
 

include/wine/server_protocol.h

@@ -652,27 +652,27 @@ typedef union
     {
         unsigned int     major;
         unsigned int     key;
-        client_ptr_t     device;
+        client_ptr_t     file;
         file_pos_t       pos;
     } read;
     struct
     {
         unsigned int     major;
         unsigned int     key;
-        client_ptr_t     device;
+        client_ptr_t     file;
         file_pos_t       pos;
     } write;
     struct
     {
         unsigned int     major;
         int              __pad;
-        client_ptr_t     device;
+        client_ptr_t     file;
     } flush;
     struct
     {
         unsigned int     major;
         ioctl_code_t     code;
-        client_ptr_t     device;
+        client_ptr_t     file;
     } ioctl;
 } irp_params_t;
 
@@ -6096,6 +6096,6 @@ union generic_reply
     struct terminate_job_reply terminate_job_reply;
 };
 
-#define SERVER_PROTOCOL_VERSION 480
+#define SERVER_PROTOCOL_VERSION 481
 
 #endif /* __WINE_WINE_SERVER_PROTOCOL_H */

server/device.c

@@ -475,6 +475,10 @@ static void set_file_user_ptr( struct device_file *file, client_ptr_t ptr )
         switch (irp->params.major)
         {
         case IRP_MJ_CLOSE:          irp->params.close.file = ptr; break;
+        case IRP_MJ_READ:           irp->params.read.file  = ptr; break;
+        case IRP_MJ_WRITE:          irp->params.write.file = ptr; break;
+        case IRP_MJ_FLUSH_BUFFERS:  irp->params.flush.file = ptr; break;
+        case IRP_MJ_DEVICE_CONTROL: irp->params.ioctl.file = ptr; break;
         }
     }
 }
@@ -514,7 +518,7 @@ static obj_handle_t device_file_read( struct fd *fd, const async_data_t *async_d
     params.read.major = IRP_MJ_READ;
     params.read.key   = 0;
     params.read.pos   = pos;
-    params.read.device = file->device->user_ptr;
+    params.read.file  = file->user_ptr;
 
     irp = create_irp( file, &params, NULL, 0, get_reply_max_size() );
     if (!irp) return 0;
@@ -535,7 +539,7 @@ static obj_handle_t device_file_write( struct fd *fd, const async_data_t *async_
     params.write.major = IRP_MJ_WRITE;
     params.write.key   = 0;
     params.write.pos   = pos;
-    params.write.device = file->device->user_ptr;
+    params.write.file  = file->user_ptr;
 
     irp = create_irp( file, &params, get_req_data(), get_req_data_size(), 0 );
     if (!irp) return 0;
@@ -553,7 +557,7 @@ static obj_handle_t device_file_flush( struct fd *fd, const async_data_t *async_
     irp_params_t params;
 
     params.flush.major = IRP_MJ_FLUSH_BUFFERS;
-    params.flush.device = file->device->user_ptr;
+    params.flush.file  = file->user_ptr;
 
     irp = create_irp( file, &params, NULL, 0, 0 );
     if (!irp) return 0;
@@ -573,7 +577,7 @@ static obj_handle_t device_file_ioctl( struct fd *fd, ioctl_code_t code, const a
 
     params.ioctl.major = IRP_MJ_DEVICE_CONTROL;
     params.ioctl.code  = code;
-    params.ioctl.device = file->device->user_ptr;
+    params.ioctl.file = file->user_ptr;
 
     irp = create_irp( file, &params, get_req_data(), get_req_data_size(),
                       get_reply_max_size() );

server/protocol.def

@@ -668,27 +668,27 @@ typedef union
     {
         unsigned int     major;     /* IRP_MJ_READ */
         unsigned int     key;       /* driver key */
-        client_ptr_t     device;    /* opaque ptr for the device */
+        client_ptr_t     file;      /* opaque ptr for the file object */
         file_pos_t       pos;       /* file position */
     } read;
     struct
     {
         unsigned int     major;     /* IRP_MJ_WRITE */
         unsigned int     key;       /* driver key */
-        client_ptr_t     device;    /* opaque ptr for the device */
+        client_ptr_t     file;      /* opaque ptr for the file object */
         file_pos_t       pos;       /* file position */
     } write;
     struct
     {
         unsigned int     major;     /* IRP_MJ_FLUSH_BUFFERS */
         int              __pad;
-        client_ptr_t     device;    /* opaque ptr for the device */
+        client_ptr_t     file;      /* opaque ptr for the file object */
     } flush;
     struct
     {
         unsigned int     major;     /* IRP_MJ_DEVICE_CONTROL */
         ioctl_code_t     code;      /* ioctl code */
-        client_ptr_t     device;    /* opaque ptr for the device */
+        client_ptr_t     file;      /* opaque ptr for the file object */
     } ioctl;
 } irp_params_t;
 

server/trace.c

@@ -330,24 +330,24 @@ static void dump_irp_params( const char *prefix, const irp_params_t *data )
     case IRP_MJ_READ:
         fprintf( stderr, "%s{major=READ,key=%08x", prefix, data->read.key );
         dump_uint64( ",pos=", &data->read.pos );
-        dump_uint64( ",device=", &data->read.device );
+        dump_uint64( ",file=", &data->read.file );
         fputc( '}', stderr );
         break;
     case IRP_MJ_WRITE:
         fprintf( stderr, "%s{major=WRITE,key=%08x", prefix, data->write.key );
         dump_uint64( ",pos=", &data->write.pos );
-        dump_uint64( ",device=", &data->write.device );
+        dump_uint64( ",file=", &data->write.file );
         fputc( '}', stderr );
         break;
     case IRP_MJ_FLUSH_BUFFERS:
         fprintf( stderr, "%s{major=FLUSH_BUFFERS", prefix );
-        dump_uint64( ",device=", &data->flush.device );
+        dump_uint64( ",file=", &data->flush.file );
         fputc( '}', stderr );
         break;
     case IRP_MJ_DEVICE_CONTROL:
         fprintf( stderr, "%s{major=DEVICE_CONTROL", prefix );
         dump_ioctl_code( ",code=", &data->ioctl.code );
-        dump_uint64( ",device=", &data->ioctl.device );
+        dump_uint64( ",file=", &data->ioctl.file );
         fputc( '}', stderr );
         break;
     case IRP_MJ_MAXIMUM_FUNCTION + 1: /* invalid */