mirror of
git://source.winehq.org/git/wine.git
synced 2024-11-01 06:06:13 +00:00
3b37584316
\??\GLOBALROOT is a well-known NT symbolic link that allows applications to access the NT object manager's root namespace via Win32 APIs. Signed-off-by: Jinoh Kang <jinoh.kang.kr@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
329 lines
14 KiB
C
329 lines
14 KiB
C
/*
|
|
* Wine server objects
|
|
*
|
|
* Copyright (C) 1998 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
|
|
*/
|
|
|
|
#ifndef __WINE_SERVER_OBJECT_H
|
|
#define __WINE_SERVER_OBJECT_H
|
|
|
|
#include <poll.h>
|
|
#include <sys/time.h>
|
|
#include "wine/server_protocol.h"
|
|
#include "wine/list.h"
|
|
|
|
#define DEBUG_OBJECTS
|
|
|
|
/* kernel objects */
|
|
|
|
struct namespace;
|
|
struct object;
|
|
struct object_name;
|
|
struct thread;
|
|
struct process;
|
|
struct token;
|
|
struct file;
|
|
struct wait_queue_entry;
|
|
struct async;
|
|
struct async_queue;
|
|
struct winstation;
|
|
struct object_type;
|
|
|
|
|
|
struct unicode_str
|
|
{
|
|
const WCHAR *str;
|
|
data_size_t len;
|
|
};
|
|
|
|
/* object type descriptor */
|
|
struct type_descr
|
|
{
|
|
struct unicode_str name; /* type name */
|
|
unsigned int valid_access; /* mask for valid access bits */
|
|
generic_map_t mapping; /* generic access mapping */
|
|
unsigned int index; /* index in global array of types */
|
|
unsigned int obj_count; /* count of objects of this type */
|
|
unsigned int handle_count; /* count of handles of this type */
|
|
unsigned int obj_max; /* max count of objects of this type */
|
|
unsigned int handle_max; /* max count of handles of this type */
|
|
};
|
|
|
|
/* operations valid on all objects */
|
|
struct object_ops
|
|
{
|
|
/* size of this object type */
|
|
size_t size;
|
|
/* type descriptor */
|
|
struct type_descr *type;
|
|
/* dump the object (for debugging) */
|
|
void (*dump)(struct object *,int);
|
|
/* add a thread to the object wait queue */
|
|
int (*add_queue)(struct object *,struct wait_queue_entry *);
|
|
/* remove a thread from the object wait queue */
|
|
void (*remove_queue)(struct object *,struct wait_queue_entry *);
|
|
/* is object signaled? */
|
|
int (*signaled)(struct object *,struct wait_queue_entry *);
|
|
/* wait satisfied */
|
|
void (*satisfied)(struct object *,struct wait_queue_entry *);
|
|
/* signal an object */
|
|
int (*signal)(struct object *, unsigned int);
|
|
/* return an fd object that can be used to read/write from the object */
|
|
struct fd *(*get_fd)(struct object *);
|
|
/* map access rights to the specific rights for this object */
|
|
unsigned int (*map_access)(struct object *, unsigned int);
|
|
/* returns the security descriptor of the object */
|
|
struct security_descriptor *(*get_sd)( struct object * );
|
|
/* sets the security descriptor of the object */
|
|
int (*set_sd)( struct object *, const struct security_descriptor *, unsigned int );
|
|
/* get the object full name */
|
|
WCHAR *(*get_full_name)(struct object *, data_size_t *);
|
|
/* lookup a name if an object has a namespace */
|
|
struct object *(*lookup_name)(struct object *, struct unicode_str *,unsigned int,struct object *);
|
|
/* link an object's name into a parent object */
|
|
int (*link_name)(struct object *, struct object_name *, struct object *);
|
|
/* unlink an object's name from its parent */
|
|
void (*unlink_name)(struct object *, struct object_name *);
|
|
/* open a file object to access this object */
|
|
struct object *(*open_file)(struct object *, unsigned int access, unsigned int sharing,
|
|
unsigned int options);
|
|
/* return list of kernel objects */
|
|
struct list *(*get_kernel_obj_list)(struct object *);
|
|
/* close a handle to this object */
|
|
int (*close_handle)(struct object *,struct process *,obj_handle_t);
|
|
/* destroy on refcount == 0 */
|
|
void (*destroy)(struct object *);
|
|
};
|
|
|
|
struct object
|
|
{
|
|
unsigned int refcount; /* reference count */
|
|
unsigned int handle_count;/* handle count */
|
|
const struct object_ops *ops;
|
|
struct list wait_queue;
|
|
struct object_name *name;
|
|
struct security_descriptor *sd;
|
|
unsigned int is_permanent:1;
|
|
#ifdef DEBUG_OBJECTS
|
|
struct list obj_list;
|
|
#endif
|
|
};
|
|
|
|
struct object_name
|
|
{
|
|
struct list entry; /* entry in the hash list */
|
|
struct object *obj; /* object owning this name */
|
|
struct object *parent; /* parent object */
|
|
data_size_t len; /* name length in bytes */
|
|
WCHAR name[1];
|
|
};
|
|
|
|
struct wait_queue_entry
|
|
{
|
|
struct list entry;
|
|
struct object *obj;
|
|
struct thread_wait *wait;
|
|
};
|
|
|
|
extern void *mem_alloc( size_t size ); /* malloc wrapper */
|
|
extern void *memdup( const void *data, size_t len );
|
|
extern void *alloc_object( const struct object_ops *ops );
|
|
extern void namespace_add( struct namespace *namespace, struct object_name *ptr );
|
|
extern const WCHAR *get_object_name( struct object *obj, data_size_t *len );
|
|
extern WCHAR *default_get_full_name( struct object *obj, data_size_t *ret_len );
|
|
extern void dump_object_name( struct object *obj );
|
|
extern struct object *lookup_named_object( struct object *root, const struct unicode_str *name,
|
|
unsigned int attr, struct unicode_str *name_left );
|
|
extern data_size_t get_path_element( const WCHAR *name, data_size_t len );
|
|
extern void *create_named_object( struct object *parent, const struct object_ops *ops,
|
|
const struct unicode_str *name, unsigned int attributes,
|
|
const struct security_descriptor *sd );
|
|
extern void *open_named_object( struct object *parent, const struct object_ops *ops,
|
|
const struct unicode_str *name, unsigned int attributes );
|
|
extern void unlink_named_object( struct object *obj );
|
|
extern struct namespace *create_namespace( unsigned int hash_size );
|
|
extern void free_kernel_objects( struct object *obj );
|
|
/* grab/release_object can take any pointer, but you better make sure */
|
|
/* that the thing pointed to starts with a struct object... */
|
|
extern struct object *grab_object( void *obj );
|
|
extern void release_object( void *obj );
|
|
extern struct object *find_object( const struct namespace *namespace, const struct unicode_str *name,
|
|
unsigned int attributes );
|
|
extern struct object *find_object_index( const struct namespace *namespace, unsigned int index );
|
|
extern int no_add_queue( struct object *obj, struct wait_queue_entry *entry );
|
|
extern void no_satisfied( struct object *obj, struct wait_queue_entry *entry );
|
|
extern int no_signal( struct object *obj, unsigned int access );
|
|
extern struct fd *no_get_fd( struct object *obj );
|
|
extern unsigned int default_map_access( struct object *obj, unsigned int access );
|
|
extern struct security_descriptor *default_get_sd( struct object *obj );
|
|
extern int default_set_sd( struct object *obj, const struct security_descriptor *sd, unsigned int set_info );
|
|
extern int set_sd_defaults_from_token( struct object *obj, const struct security_descriptor *sd,
|
|
unsigned int set_info, struct token *token );
|
|
extern WCHAR *no_get_full_name( struct object *obj, data_size_t *ret_len );
|
|
extern struct object *no_lookup_name( struct object *obj, struct unicode_str *name,
|
|
unsigned int attributes, struct object *root );
|
|
extern int no_link_name( struct object *obj, struct object_name *name, struct object *parent );
|
|
extern void default_unlink_name( struct object *obj, struct object_name *name );
|
|
extern struct object *no_open_file( struct object *obj, unsigned int access, unsigned int sharing,
|
|
unsigned int options );
|
|
extern struct list *no_kernel_obj_list( struct object *obj );
|
|
extern int no_close_handle( struct object *obj, struct process *process, obj_handle_t handle );
|
|
extern void no_destroy( struct object *obj );
|
|
#ifdef DEBUG_OBJECTS
|
|
extern void dump_objects(void);
|
|
extern void close_objects(void);
|
|
#endif
|
|
|
|
static inline void make_object_permanent( struct object *obj ) { obj->is_permanent = 1; }
|
|
static inline void make_object_temporary( struct object *obj ) { obj->is_permanent = 0; }
|
|
|
|
static inline unsigned int map_access( unsigned int access, const generic_map_t *mapping )
|
|
{
|
|
if (access & GENERIC_READ) access |= mapping->read;
|
|
if (access & GENERIC_WRITE) access |= mapping->write;
|
|
if (access & GENERIC_EXECUTE) access |= mapping->exec;
|
|
if (access & GENERIC_ALL) access |= mapping->all;
|
|
return access & ~(GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE | GENERIC_ALL);
|
|
}
|
|
|
|
/* event functions */
|
|
|
|
struct event;
|
|
struct keyed_event;
|
|
|
|
extern struct event *create_event( struct object *root, const struct unicode_str *name,
|
|
unsigned int attr, int manual_reset, int initial_state,
|
|
const struct security_descriptor *sd );
|
|
extern struct keyed_event *create_keyed_event( struct object *root, const struct unicode_str *name,
|
|
unsigned int attr, const struct security_descriptor *sd );
|
|
extern struct event *get_event_obj( struct process *process, obj_handle_t handle, unsigned int access );
|
|
extern struct keyed_event *get_keyed_event_obj( struct process *process, obj_handle_t handle, unsigned int access );
|
|
extern void set_event( struct event *event );
|
|
extern void reset_event( struct event *event );
|
|
|
|
/* mutex functions */
|
|
|
|
extern void abandon_mutexes( struct thread *thread );
|
|
|
|
/* serial functions */
|
|
|
|
int get_serial_async_timeout(struct object *obj, int type, int count);
|
|
|
|
/* socket functions */
|
|
|
|
extern void sock_init(void);
|
|
|
|
/* debugger functions */
|
|
|
|
extern void generate_debug_event( struct thread *thread, int code, const void *arg );
|
|
extern void resume_delayed_debug_events( struct thread *thread );
|
|
extern void generate_startup_debug_events( struct process *process );
|
|
|
|
/* registry functions */
|
|
|
|
extern unsigned int supported_machines_count;
|
|
extern unsigned short supported_machines[8];
|
|
extern unsigned short native_machine;
|
|
extern void init_registry(void);
|
|
extern void flush_registry(void);
|
|
|
|
static inline int is_machine_32bit( unsigned short machine )
|
|
{
|
|
return machine == IMAGE_FILE_MACHINE_I386 || machine == IMAGE_FILE_MACHINE_ARMNT;
|
|
}
|
|
static inline int is_machine_64bit( unsigned short machine )
|
|
{
|
|
return machine == IMAGE_FILE_MACHINE_AMD64 || machine == IMAGE_FILE_MACHINE_ARM64;
|
|
}
|
|
static inline int is_machine_supported( unsigned short machine )
|
|
{
|
|
unsigned int i;
|
|
for (i = 0; i < supported_machines_count; i++) if (supported_machines[i] == machine) return 1;
|
|
return 0;
|
|
}
|
|
|
|
/* signal functions */
|
|
|
|
extern void start_watchdog(void);
|
|
extern void stop_watchdog(void);
|
|
extern int watchdog_triggered(void);
|
|
extern void init_signals(void);
|
|
|
|
/* atom functions */
|
|
|
|
extern atom_t add_global_atom( struct winstation *winstation, const struct unicode_str *str );
|
|
extern atom_t find_global_atom( struct winstation *winstation, const struct unicode_str *str );
|
|
extern int grab_global_atom( struct winstation *winstation, atom_t atom );
|
|
extern void release_global_atom( struct winstation *winstation, atom_t atom );
|
|
|
|
/* directory functions */
|
|
|
|
extern struct object *get_root_directory(void);
|
|
extern struct object *get_directory_obj( struct process *process, obj_handle_t handle );
|
|
extern int directory_link_name( struct object *obj, struct object_name *name, struct object *parent );
|
|
extern void init_directories( struct fd *intl_fd );
|
|
|
|
/* symbolic link functions */
|
|
|
|
extern struct object *create_root_symlink( struct object *root, const struct unicode_str *name,
|
|
unsigned int attr, const struct security_descriptor *sd );
|
|
extern struct object *create_obj_symlink( struct object *root, const struct unicode_str *name,
|
|
unsigned int attr, struct object *target,
|
|
const struct security_descriptor *sd );
|
|
extern struct object *create_symlink( struct object *root, const struct unicode_str *name,
|
|
unsigned int attr, const struct unicode_str *target,
|
|
const struct security_descriptor *sd );
|
|
|
|
/* global variables */
|
|
|
|
/* command-line options */
|
|
extern int debug_level;
|
|
extern int foreground;
|
|
extern timeout_t master_socket_timeout;
|
|
extern const char *server_argv0;
|
|
|
|
/* server start time used for GetTickCount() */
|
|
extern timeout_t server_start_time;
|
|
|
|
/* object types */
|
|
extern struct type_descr no_type;
|
|
extern struct type_descr objtype_type;
|
|
extern struct type_descr directory_type;
|
|
extern struct type_descr symlink_type;
|
|
extern struct type_descr token_type;
|
|
extern struct type_descr job_type;
|
|
extern struct type_descr process_type;
|
|
extern struct type_descr thread_type;
|
|
extern struct type_descr debug_obj_type;
|
|
extern struct type_descr event_type;
|
|
extern struct type_descr mutex_type;
|
|
extern struct type_descr semaphore_type;
|
|
extern struct type_descr timer_type;
|
|
extern struct type_descr keyed_event_type;
|
|
extern struct type_descr winstation_type;
|
|
extern struct type_descr desktop_type;
|
|
extern struct type_descr device_type;
|
|
extern struct type_descr completion_type;
|
|
extern struct type_descr file_type;
|
|
extern struct type_descr mapping_type;
|
|
extern struct type_descr key_type;
|
|
|
|
#define KEYEDEVENT_WAIT 0x0001
|
|
#define KEYEDEVENT_WAKE 0x0002
|
|
#define KEYEDEVENT_ALL_ACCESS (STANDARD_RIGHTS_REQUIRED | 0x0003)
|
|
|
|
#endif /* __WINE_SERVER_OBJECT_H */
|