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server: Add generic access mapping for winstation and desktop objects.

This commit is contained in:
Vitaliy Margolen 2007-01-18 13:10:31 -07:00 committed by Alexandre Julliard
parent aa3165fca6
commit e612bd410c
1 changed files with 26 additions and 2 deletions
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28
server/winstation.c
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@ -46,9 +46,11 @@ static struct namespace *winstation_namespace;
static void winstation_dump( struct object *obj, int verbose );
static int winstation_close_handle( struct object *obj, struct process *process, obj_handle_t handle );
static void winstation_destroy( struct object *obj );
static unsigned int winstation_map_access( struct object *obj, unsigned int access );
static void desktop_dump( struct object *obj, int verbose );
static int desktop_close_handle( struct object *obj, struct process *process, obj_handle_t handle );
static void desktop_destroy( struct object *obj );
static unsigned int desktop_map_access( struct object *obj, unsigned int access );
static const struct object_ops winstation_ops =
{
@ -60,7 +62,7 @@ static const struct object_ops winstation_ops =
NULL, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
no_map_access, /* map_access */
winstation_map_access, /* map_access */
no_lookup_name, /* lookup_name */
winstation_close_handle, /* close_handle */
winstation_destroy /* destroy */
@ -77,7 +79,7 @@ static const struct object_ops desktop_ops =
NULL, /* satisfied */
no_signal, /* signal */
no_get_fd, /* get_fd */
no_map_access, /* map_access */
desktop_map_access, /* map_access */
no_lookup_name, /* lookup_name */
desktop_close_handle, /* close_handle */
desktop_destroy /* destroy */
@ -139,6 +141,17 @@ static void winstation_destroy( struct object *obj )
if (winstation->atom_table) release_object( winstation->atom_table );
}
static unsigned int winstation_map_access( struct object *obj, unsigned int access )
{
if (access & GENERIC_READ) access |= STANDARD_RIGHTS_READ | WINSTA_ENUMDESKTOPS | WINSTA_READATTRIBUTES |
WINSTA_ENUMERATE | WINSTA_READSCREEN;
if (access & GENERIC_WRITE) access |= STANDARD_RIGHTS_WRITE | WINSTA_ACCESSCLIPBOARD | WINSTA_CREATEDESKTOP |
WINSTA_WRITEATTRIBUTES;
if (access & GENERIC_EXECUTE) access |= STANDARD_RIGHTS_EXECUTE | WINSTA_ACCESSGLOBALATOMS | WINSTA_EXITWINDOWS;
if (access & GENERIC_ALL) access |= STANDARD_RIGHTS_REQUIRED | WINSTA_ALL_ACCESS;
return access & ~(GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE | GENERIC_ALL);
}
/* retrieve the process window station, checking the handle access rights */
struct winstation *get_process_winstation( struct process *process, unsigned int access )
{
@ -239,6 +252,17 @@ static void desktop_destroy( struct object *obj )
release_object( desktop->winstation );
}
static unsigned int desktop_map_access( struct object *obj, unsigned int access )
{
if (access & GENERIC_READ) access |= STANDARD_RIGHTS_READ | DESKTOP_READOBJECTS | DESKTOP_ENUMERATE;
if (access & GENERIC_WRITE) access |= STANDARD_RIGHTS_WRITE | DESKTOP_CREATEMENU | DESKTOP_CREATEWINDOW |
DESKTOP_HOOKCONTROL | DESKTOP_JOURNALRECORD | DESKTOP_JOURNALPLAYBACK |
DESKTOP_WRITEOBJECTS;
if (access & GENERIC_EXECUTE) access |= STANDARD_RIGHTS_EXECUTE | DESKTOP_SWITCHDESKTOP;
if (access & GENERIC_ALL) access |= STANDARD_RIGHTS_REQUIRED | DESKTOP_ALL_ACCESS;
return access & ~(GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE | GENERIC_ALL);
}
/* retrieve the thread desktop, checking the handle access rights */
struct desktop *get_thread_desktop( struct thread *thread, unsigned int access )
{