server: Add support for generic device objects managed from the client side.
This commit is contained in:
Alexandre Julliard
parent
299a358fdb
commit
b43dc15c8a
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@ -3970,6 +3970,50 @@ struct allocate_locally_unique_id_reply
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};
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struct create_device_manager_request
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{
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struct request_header __header;
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unsigned int access;
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unsigned int attributes;
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};
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struct create_device_manager_reply
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{
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struct reply_header __header;
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obj_handle_t handle;
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};
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struct create_device_request
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{
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struct request_header __header;
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unsigned int access;
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unsigned int attributes;
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obj_handle_t rootdir;
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obj_handle_t manager;
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void* user_ptr;
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/* VARARG(name,unicode_str); */
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};
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struct create_device_reply
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{
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struct reply_header __header;
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obj_handle_t handle;
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};
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struct delete_device_request
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{
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struct request_header __header;
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obj_handle_t handle;
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};
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struct delete_device_reply
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{
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struct reply_header __header;
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};
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enum request
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{
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REQ_new_process,
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@ -4186,6 +4230,9 @@ enum request
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REQ_get_object_info,
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REQ_get_token_impersonation_level,
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REQ_allocate_locally_unique_id,
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REQ_create_device_manager,
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REQ_create_device,
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REQ_delete_device,
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REQ_NB_REQUESTS
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};
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@ -4407,6 +4454,9 @@ union generic_request
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struct get_object_info_request get_object_info_request;
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struct get_token_impersonation_level_request get_token_impersonation_level_request;
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struct allocate_locally_unique_id_request allocate_locally_unique_id_request;
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struct create_device_manager_request create_device_manager_request;
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struct create_device_request create_device_request;
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struct delete_device_request delete_device_request;
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};
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union generic_reply
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{
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@ -4626,8 +4676,11 @@ union generic_reply
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struct get_object_info_reply get_object_info_reply;
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struct get_token_impersonation_level_reply get_token_impersonation_level_reply;
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struct allocate_locally_unique_id_reply allocate_locally_unique_id_reply;
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struct create_device_manager_reply create_device_manager_reply;
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struct create_device_reply create_device_reply;
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struct delete_device_reply delete_device_reply;
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};
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#define SERVER_PROTOCOL_VERSION 300
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#define SERVER_PROTOCOL_VERSION 301
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#endif /* __WINE_WINE_SERVER_PROTOCOL_H */
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@ -19,6 +19,7 @@ C_SRCS = \
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context_sparc.c \
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context_x86_64.c \
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debugger.c \
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device.c \
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directory.c \
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event.c \
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fd.c \
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@ -0,0 +1,259 @@
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/*
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* Server-side device support
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*
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* Copyright (C) 2007 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winternl.h"
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#include "object.h"
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#include "file.h"
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#include "handle.h"
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#include "request.h"
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struct device_manager
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{
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struct object obj; /* object header */
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struct list devices; /* list of devices */
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};
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static void device_manager_dump( struct object *obj, int verbose );
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static void device_manager_destroy( struct object *obj );
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static const struct object_ops device_manager_ops =
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{
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sizeof(struct device_manager), /* size */
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device_manager_dump, /* dump */
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no_add_queue, /* add_queue */
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NULL, /* remove_queue */
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NULL, /* signaled */
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no_satisfied, /* satisfied */
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no_signal, /* signal */
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no_get_fd, /* get_fd */
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no_map_access, /* map_access */
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no_lookup_name, /* lookup_name */
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no_open_file, /* open_file */
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no_close_handle, /* close_handle */
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device_manager_destroy /* destroy */
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};
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struct device
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{
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struct object obj; /* object header */
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struct device_manager *manager; /* manager for this device (or NULL if deleted) */
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struct fd *fd; /* file descriptor for ioctl */
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void *user_ptr; /* opaque ptr for client side */
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struct list entry; /* entry in device manager list */
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};
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static void device_dump( struct object *obj, int verbose );
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static struct fd *device_get_fd( struct object *obj );
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static void device_destroy( struct object *obj );
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static struct object *device_open_file( struct object *obj, unsigned int access,
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unsigned int sharing, unsigned int options );
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static enum server_fd_type device_get_fd_type( struct fd *fd );
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static const struct object_ops device_ops =
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{
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sizeof(struct device), /* size */
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device_dump, /* dump */
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no_add_queue, /* add_queue */
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NULL, /* remove_queue */
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NULL, /* signaled */
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no_satisfied, /* satisfied */
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no_signal, /* signal */
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device_get_fd, /* get_fd */
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no_map_access, /* map_access */
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no_lookup_name, /* lookup_name */
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device_open_file, /* open_file */
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no_close_handle, /* close_handle */
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device_destroy /* destroy */
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};
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static const struct fd_ops device_fd_ops =
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{
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default_fd_get_poll_events, /* get_poll_events */
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default_poll_event, /* poll_event */
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no_flush, /* flush */
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device_get_fd_type, /* get_fd_type */
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default_fd_ioctl, /* ioctl */
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default_fd_queue_async, /* queue_async */
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default_fd_reselect_async, /* reselect_async */
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default_fd_cancel_async /* cancel_async */
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};
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static void device_dump( struct object *obj, int verbose )
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{
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struct device *device = (struct device *)obj;
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fprintf( stderr, "Device " );
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dump_object_name( &device->obj );
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fputc( '\n', stderr );
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}
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static struct fd *device_get_fd( struct object *obj )
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{
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struct device *device = (struct device *)obj;
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return (struct fd *)grab_object( device->fd );
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}
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static void device_destroy( struct object *obj )
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{
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struct device *device = (struct device *)obj;
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if (device->fd) release_object( device->fd );
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if (device->manager) list_remove( &device->entry );
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}
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static struct object *device_open_file( struct object *obj, unsigned int access,
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unsigned int sharing, unsigned int options )
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{
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return grab_object( obj );
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}
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static enum server_fd_type device_get_fd_type( struct fd *fd )
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{
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return FD_TYPE_DEVICE;
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}
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static struct device *create_device( struct directory *root, const struct unicode_str *name,
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struct device_manager *manager, unsigned int attr )
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{
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struct device *device;
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if ((device = create_named_object_dir( root, name, attr, &device_ops )))
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{
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if (get_error() != STATUS_OBJECT_NAME_EXISTS)
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{
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/* initialize it if it didn't already exist */
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device->manager = manager;
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list_add_tail( &manager->devices, &device->entry );
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if (!(device->fd = alloc_pseudo_fd( &device_fd_ops, &device->obj, 0 )))
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{
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release_object( device );
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device = NULL;
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}
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}
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}
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return device;
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}
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static void delete_device( struct device *device )
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{
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if (!device->manager) return; /* already deleted */
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unlink_named_object( &device->obj );
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list_remove( &device->entry );
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device->manager = NULL;
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}
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static void device_manager_dump( struct object *obj, int verbose )
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{
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fprintf( stderr, "Device manager\n" );
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}
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static void device_manager_destroy( struct object *obj )
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{
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struct device_manager *manager = (struct device_manager *)obj;
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struct list *ptr;
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while ((ptr = list_head( &manager->devices )))
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{
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struct device *device = LIST_ENTRY( ptr, struct device, entry );
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delete_device( device );
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}
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}
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static struct device_manager *create_device_manager(void)
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{
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struct device_manager *manager;
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if ((manager = alloc_object( &device_manager_ops )))
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{
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list_init( &manager->devices );
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}
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return manager;
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}
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/* create a device manager */
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DECL_HANDLER(create_device_manager)
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{
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struct device_manager *manager = create_device_manager();
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if (manager)
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{
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reply->handle = alloc_handle( current->process, manager, req->access, req->attributes );
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release_object( manager );
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}
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}
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/* create a device */
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DECL_HANDLER(create_device)
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{
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struct device *device;
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struct unicode_str name;
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struct device_manager *manager;
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struct directory *root = NULL;
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if (!(manager = (struct device_manager *)get_handle_obj( current->process, req->manager,
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0, &device_manager_ops )))
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return;
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get_req_unicode_str( &name );
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if (req->rootdir && !(root = get_directory_obj( current->process, req->rootdir, 0 )))
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{
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release_object( manager );
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return;
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}
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if ((device = create_device( root, &name, manager, req->attributes )))
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{
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device->user_ptr = req->user_ptr;
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reply->handle = alloc_handle( current->process, device, req->access, req->attributes );
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release_object( device );
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}
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if (root) release_object( root );
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release_object( manager );
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}
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/* delete a device */
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DECL_HANDLER(delete_device)
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{
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struct device *device;
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if ((device = (struct device *)get_handle_obj( current->process, req->handle, 0, &device_ops )))
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{
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delete_device( device );
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release_object( device );
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}
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}
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@ -2854,3 +2854,31 @@ enum message_type
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@REPLY
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luid_t luid;
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@END
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/* Create a device manager */
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@REQ(create_device_manager)
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unsigned int access; /* wanted access rights */
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unsigned int attributes; /* object attributes */
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@REPLY
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obj_handle_t handle; /* handle to the device */
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@END
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/* Create a device */
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@REQ(create_device)
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unsigned int access; /* wanted access rights */
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unsigned int attributes; /* object attributes */
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obj_handle_t rootdir; /* root directory */
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obj_handle_t manager; /* device manager */
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void* user_ptr; /* opaque ptr for use by client */
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VARARG(name,unicode_str); /* object name */
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@REPLY
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obj_handle_t handle; /* handle to the device */
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@END
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/* Delete a device */
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@REQ(delete_device)
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obj_handle_t handle; /* handle to the device */
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@END
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@ -324,6 +324,9 @@ DECL_HANDLER(query_symlink);
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DECL_HANDLER(get_object_info);
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DECL_HANDLER(get_token_impersonation_level);
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DECL_HANDLER(allocate_locally_unique_id);
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DECL_HANDLER(create_device_manager);
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DECL_HANDLER(create_device);
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DECL_HANDLER(delete_device);
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#ifdef WANT_REQUEST_HANDLERS
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@ -544,6 +547,9 @@ static const req_handler req_handlers[REQ_NB_REQUESTS] =
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(req_handler)req_get_object_info,
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(req_handler)req_get_token_impersonation_level,
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(req_handler)req_allocate_locally_unique_id,
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(req_handler)req_create_device_manager,
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(req_handler)req_create_device,
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(req_handler)req_delete_device,
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};
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#endif /* WANT_REQUEST_HANDLERS */
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@ -3460,6 +3460,38 @@ static void dump_allocate_locally_unique_id_reply( const struct allocate_locally
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dump_luid( &req->luid );
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}
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static void dump_create_device_manager_request( const struct create_device_manager_request *req )
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{
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fprintf( stderr, " access=%08x,", req->access );
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fprintf( stderr, " attributes=%08x", req->attributes );
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}
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static void dump_create_device_manager_reply( const struct create_device_manager_reply *req )
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{
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fprintf( stderr, " handle=%p", req->handle );
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}
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static void dump_create_device_request( const struct create_device_request *req )
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{
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fprintf( stderr, " access=%08x,", req->access );
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fprintf( stderr, " attributes=%08x,", req->attributes );
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fprintf( stderr, " rootdir=%p,", req->rootdir );
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fprintf( stderr, " manager=%p,", req->manager );
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fprintf( stderr, " user_ptr=%p,", req->user_ptr );
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fprintf( stderr, " name=" );
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dump_varargs_unicode_str( cur_size );
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}
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static void dump_create_device_reply( const struct create_device_reply *req )
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{
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fprintf( stderr, " handle=%p", req->handle );
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}
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static void dump_delete_device_request( const struct delete_device_request *req )
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{
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fprintf( stderr, " handle=%p", req->handle );
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}
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static const dump_func req_dumpers[REQ_NB_REQUESTS] = {
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(dump_func)dump_new_process_request,
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(dump_func)dump_get_new_process_info_request,
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@ -3675,6 +3707,9 @@ static const dump_func req_dumpers[REQ_NB_REQUESTS] = {
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(dump_func)dump_get_object_info_request,
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(dump_func)dump_get_token_impersonation_level_request,
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(dump_func)dump_allocate_locally_unique_id_request,
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(dump_func)dump_create_device_manager_request,
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(dump_func)dump_create_device_request,
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(dump_func)dump_delete_device_request,
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};
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static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
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@ -3892,6 +3927,9 @@ static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
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(dump_func)dump_get_object_info_reply,
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(dump_func)dump_get_token_impersonation_level_reply,
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(dump_func)dump_allocate_locally_unique_id_reply,
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(dump_func)dump_create_device_manager_reply,
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(dump_func)dump_create_device_reply,
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(dump_func)0,
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};
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static const char * const req_names[REQ_NB_REQUESTS] = {
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@ -4109,6 +4147,9 @@ static const char * const req_names[REQ_NB_REQUESTS] = {
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"get_object_info",
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"get_token_impersonation_level",
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"allocate_locally_unique_id",
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"create_device_manager",
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"create_device",
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"delete_device",
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};
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static const struct
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