server: Add support for keyed event objects.

dlls/ntdll/sync.c

@@ -1249,8 +1249,36 @@ NTSTATUS WINAPI NtDelayExecution( BOOLEAN alertable, const LARGE_INTEGER *timeou
 NTSTATUS WINAPI NtCreateKeyedEvent( HANDLE *handle, ACCESS_MASK access,
                                     const OBJECT_ATTRIBUTES *attr, ULONG flags )
 {
-    FIXME( "stub\n" );
-    return STATUS_NOT_IMPLEMENTED;
+    DWORD len = attr && attr->ObjectName ? attr->ObjectName->Length : 0;
+    NTSTATUS ret;
+    struct security_descriptor *sd = NULL;
+    struct object_attributes objattr;
+
+    if (len >= MAX_PATH * sizeof(WCHAR)) return STATUS_NAME_TOO_LONG;
+
+    objattr.rootdir = wine_server_obj_handle( attr ? attr->RootDirectory : 0 );
+    objattr.sd_len = 0;
+    objattr.name_len = len;
+    if (attr)
+    {
+        ret = NTDLL_create_struct_sd( attr->SecurityDescriptor, &sd, &objattr.sd_len );
+        if (ret != STATUS_SUCCESS) return ret;
+    }
+
+    SERVER_START_REQ( create_keyed_event )
+    {
+        req->access = access;
+        req->attributes = attr ? attr->Attributes : 0;
+        wine_server_add_data( req, &objattr, sizeof(objattr) );
+        if (objattr.sd_len) wine_server_add_data( req, sd, objattr.sd_len );
+        if (len) wine_server_add_data( req, attr->ObjectName->Buffer, len );
+        ret = wine_server_call( req );
+        *handle = wine_server_ptr_handle( reply->handle );
+    }
+    SERVER_END_REQ;
+
+    NTDLL_free_struct_sd( sd );
+    return ret;
 }
 
 /******************************************************************************
@@ -1258,8 +1286,22 @@ NTSTATUS WINAPI NtCreateKeyedEvent( HANDLE *handle, ACCESS_MASK access,
  */
 NTSTATUS WINAPI NtOpenKeyedEvent( HANDLE *handle, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr )
 {
-    FIXME( "stub\n" );
-    return STATUS_NOT_IMPLEMENTED;
+    DWORD len = attr && attr->ObjectName ? attr->ObjectName->Length : 0;
+    NTSTATUS ret;
+
+    if (len >= MAX_PATH * sizeof(WCHAR)) return STATUS_NAME_TOO_LONG;
+
+    SERVER_START_REQ( open_event )
+    {
+        req->access  = access;
+        req->attributes = attr ? attr->Attributes : 0;
+        req->rootdir = wine_server_obj_handle( attr ? attr->RootDirectory : 0 );
+        if (len) wine_server_add_data( req, attr->ObjectName->Buffer, len );
+        ret = wine_server_call( req );
+        *handle = wine_server_ptr_handle( reply->handle );
+    }
+    SERVER_END_REQ;
+    return ret;
 }
 
 /******************************************************************************

include/wine/server_protocol.h

@@ -1122,6 +1122,39 @@ struct open_event_reply
 
 
 
+struct create_keyed_event_request
+{
+    struct request_header __header;
+    unsigned int access;
+    unsigned int attributes;
+    /* VARARG(objattr,object_attributes); */
+    char __pad_20[4];
+};
+struct create_keyed_event_reply
+{
+    struct reply_header __header;
+    obj_handle_t handle;
+    char __pad_12[4];
+};
+
+
+struct open_keyed_event_request
+{
+    struct request_header __header;
+    unsigned int access;
+    unsigned int attributes;
+    obj_handle_t rootdir;
+    /* VARARG(name,unicode_str); */
+};
+struct open_keyed_event_reply
+{
+    struct reply_header __header;
+    obj_handle_t handle;
+    char __pad_12[4];
+};
+
+
+
 struct create_mutex_request
 {
     struct request_header __header;
@@ -4982,6 +5015,8 @@ enum request
     REQ_create_event,
     REQ_event_op,
     REQ_open_event,
+    REQ_create_keyed_event,
+    REQ_open_keyed_event,
     REQ_create_mutex,
     REQ_release_mutex,
     REQ_open_mutex,
@@ -5238,6 +5273,8 @@ union generic_request
     struct create_event_request create_event_request;
     struct event_op_request event_op_request;
     struct open_event_request open_event_request;
+    struct create_keyed_event_request create_keyed_event_request;
+    struct open_keyed_event_request open_keyed_event_request;
     struct create_mutex_request create_mutex_request;
     struct release_mutex_request release_mutex_request;
     struct open_mutex_request open_mutex_request;
@@ -5492,6 +5529,8 @@ union generic_reply
     struct create_event_reply create_event_reply;
     struct event_op_reply event_op_reply;
     struct open_event_reply open_event_reply;
+    struct create_keyed_event_reply create_keyed_event_reply;
+    struct open_keyed_event_reply open_keyed_event_reply;
     struct create_mutex_reply create_mutex_reply;
     struct release_mutex_reply release_mutex_reply;
     struct open_mutex_reply open_mutex_reply;
@@ -5715,6 +5754,6 @@ union generic_reply
     struct set_suspend_context_reply set_suspend_context_reply;
 };
 
-#define SERVER_PROTOCOL_VERSION 440
+#define SERVER_PROTOCOL_VERSION 441
 
 #endif /* __WINE_WINE_SERVER_PROTOCOL_H */

server/event.c

@@ -71,6 +71,41 @@ static const struct object_ops event_ops =
 };
 
 
+struct keyed_event
+{
+    struct object  obj;             /* object header */
+};
+
+static void keyed_event_dump( struct object *obj, int verbose );
+static struct object_type *keyed_event_get_type( struct object *obj );
+static int keyed_event_signaled( struct object *obj, struct thread *thread );
+static unsigned int keyed_event_map_access( struct object *obj, unsigned int access );
+
+static const struct object_ops keyed_event_ops =
+{
+    sizeof(struct keyed_event),  /* size */
+    keyed_event_dump,            /* dump */
+    keyed_event_get_type,        /* get_type */
+    add_queue,                   /* add_queue */
+    remove_queue,                /* remove_queue */
+    keyed_event_signaled,        /* signaled */
+    no_satisfied,                /* satisfied */
+    no_signal,                   /* signal */
+    no_get_fd,                   /* get_fd */
+    keyed_event_map_access,      /* map_access */
+    default_get_sd,              /* get_sd */
+    default_set_sd,              /* set_sd */
+    no_lookup_name,              /* lookup_name */
+    no_open_file,                /* open_file */
+    no_close_handle,             /* close_handle */
+    no_destroy                   /* destroy */
+};
+
+#define KEYEDEVENT_WAIT       0x0001
+#define KEYEDEVENT_WAKE       0x0002
+#define KEYEDEVENT_ALL_ACCESS (STANDARD_RIGHTS_REQUIRED | SYNCHRONIZE | 0x0003)
+
+
 struct event *create_event( struct directory *root, const struct unicode_str *name,
                             unsigned int attr, int manual_reset, int initial_state,
                             const struct security_descriptor *sd )
@@ -174,6 +209,56 @@ static int event_signal( struct object *obj, unsigned int access )
     return 1;
 }
 
+struct keyed_event *create_keyed_event( struct directory *root, const struct unicode_str *name,
+                                        unsigned int attr, const struct security_descriptor *sd )
+{
+    struct keyed_event *event;
+
+    if ((event = create_named_object_dir( root, name, attr, &keyed_event_ops )))
+    {
+        if (get_error() != STATUS_OBJECT_NAME_EXISTS)
+        {
+            /* initialize it if it didn't already exist */
+            if (sd) default_set_sd( &event->obj, sd, OWNER_SECURITY_INFORMATION|
+                                                     GROUP_SECURITY_INFORMATION|
+                                                     DACL_SECURITY_INFORMATION|
+                                                     SACL_SECURITY_INFORMATION );
+        }
+    }
+    return event;
+}
+
+static void keyed_event_dump( struct object *obj, int verbose )
+{
+    struct keyed_event *event = (struct keyed_event *)obj;
+    assert( obj->ops == &keyed_event_ops );
+    fprintf( stderr, "Keyed event " );
+    dump_object_name( &event->obj );
+    fputc( '\n', stderr );
+}
+
+static struct object_type *keyed_event_get_type( struct object *obj )
+{
+    static const WCHAR name[] = {'K','e','y','e','d','E','v','e','n','t'};
+    static const struct unicode_str str = { name, sizeof(name) };
+    return get_object_type( &str );
+}
+
+static int keyed_event_signaled( struct object *obj, struct thread *thread )
+{
+    assert( obj->ops == &keyed_event_ops );
+    return 1;
+}
+
+static unsigned int keyed_event_map_access( struct object *obj, unsigned int access )
+{
+    if (access & GENERIC_READ)    access |= STANDARD_RIGHTS_READ | SYNCHRONIZE | KEYEDEVENT_WAIT;
+    if (access & GENERIC_WRITE)   access |= STANDARD_RIGHTS_WRITE | KEYEDEVENT_WAKE;
+    if (access & GENERIC_EXECUTE) access |= STANDARD_RIGHTS_EXECUTE;
+    if (access & GENERIC_ALL)     access |= STANDARD_RIGHTS_ALL | KEYEDEVENT_ALL_ACCESS;
+    return access & ~(GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE | GENERIC_ALL);
+}
+
 /* create an event */
 DECL_HANDLER(create_event)
 {
@@ -249,3 +334,48 @@ DECL_HANDLER(event_op)
     }
     release_object( event );
 }
+
+/* create a keyed event */
+DECL_HANDLER(create_keyed_event)
+{
+    struct keyed_event *event;
+    struct unicode_str name;
+    struct directory *root = NULL;
+    const struct object_attributes *objattr = get_req_data();
+    const struct security_descriptor *sd;
+
+    if (!objattr_is_valid( objattr, get_req_data_size() )) return;
+
+    sd = objattr->sd_len ? (const struct security_descriptor *)(objattr + 1) : NULL;
+    objattr_get_name( objattr, &name );
+
+    if (objattr->rootdir && !(root = get_directory_obj( current->process, objattr->rootdir, 0 ))) return;
+
+    if ((event = create_keyed_event( root, &name, req->attributes, sd )))
+    {
+        if (get_error() == STATUS_OBJECT_NAME_EXISTS)
+            reply->handle = alloc_handle( current->process, event, req->access, req->attributes );
+        else
+            reply->handle = alloc_handle_no_access_check( current->process, event, req->access, req->attributes );
+        release_object( event );
+    }
+    if (root) release_object( root );
+}
+
+/* open a handle to a keyed event */
+DECL_HANDLER(open_keyed_event)
+{
+    struct unicode_str name;
+    struct directory *root = NULL;
+    struct keyed_event *event;
+
+    get_req_unicode_str( &name );
+    if (req->rootdir && !(root = get_directory_obj( current->process, req->rootdir, 0 ))) return;
+
+    if ((event = open_object_dir( root, &name, req->attributes, &keyed_event_ops )))
+    {
+        reply->handle = alloc_handle( current->process, &event->obj, req->access, req->attributes );
+        release_object( event );
+    }
+    if (root) release_object( root );
+}

server/object.h

@@ -152,10 +152,13 @@ extern void close_objects(void);
 /* event functions */
 
 struct event;
+struct keyed_event;
 
 extern struct event *create_event( struct directory *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 directory *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 void pulse_event( struct event *event );
 extern void set_event( struct event *event );

server/protocol.def

@@ -965,6 +965,26 @@ enum event_op { PULSE_EVENT, SET_EVENT, RESET_EVENT };
 @END
 
 
+/* Create a keyed event */
+@REQ(create_keyed_event)
+    unsigned int access;        /* wanted access rights */
+    unsigned int attributes;    /* object attributes */
+    VARARG(objattr,object_attributes); /* object attributes */
+@REPLY
+    obj_handle_t handle;        /* handle to the event */
+@END
+
+/* Open a keyed event */
+@REQ(open_keyed_event)
+    unsigned int access;        /* wanted access rights */
+    unsigned int attributes;    /* object attributes */
+    obj_handle_t rootdir;       /* root directory */
+    VARARG(name,unicode_str);   /* object name */
+@REPLY
+    obj_handle_t handle;        /* handle to the event */
+@END
+
+
 /* Create a mutex */
 @REQ(create_mutex)
     unsigned int access;        /* wanted access rights */

server/request.h

@@ -134,6 +134,8 @@ DECL_HANDLER(select);
 DECL_HANDLER(create_event);
 DECL_HANDLER(event_op);
 DECL_HANDLER(open_event);
+DECL_HANDLER(create_keyed_event);
+DECL_HANDLER(open_keyed_event);
 DECL_HANDLER(create_mutex);
 DECL_HANDLER(release_mutex);
 DECL_HANDLER(open_mutex);
@@ -389,6 +391,8 @@ static const req_handler req_handlers[REQ_NB_REQUESTS] =
     (req_handler)req_create_event,
     (req_handler)req_event_op,
     (req_handler)req_open_event,
+    (req_handler)req_create_keyed_event,
+    (req_handler)req_open_keyed_event,
     (req_handler)req_create_mutex,
     (req_handler)req_release_mutex,
     (req_handler)req_open_mutex,
@@ -834,6 +838,17 @@ C_ASSERT( FIELD_OFFSET(struct open_event_request, rootdir) == 20 );
 C_ASSERT( sizeof(struct open_event_request) == 24 );
 C_ASSERT( FIELD_OFFSET(struct open_event_reply, handle) == 8 );
 C_ASSERT( sizeof(struct open_event_reply) == 16 );
+C_ASSERT( FIELD_OFFSET(struct create_keyed_event_request, access) == 12 );
+C_ASSERT( FIELD_OFFSET(struct create_keyed_event_request, attributes) == 16 );
+C_ASSERT( sizeof(struct create_keyed_event_request) == 24 );
+C_ASSERT( FIELD_OFFSET(struct create_keyed_event_reply, handle) == 8 );
+C_ASSERT( sizeof(struct create_keyed_event_reply) == 16 );
+C_ASSERT( FIELD_OFFSET(struct open_keyed_event_request, access) == 12 );
+C_ASSERT( FIELD_OFFSET(struct open_keyed_event_request, attributes) == 16 );
+C_ASSERT( FIELD_OFFSET(struct open_keyed_event_request, rootdir) == 20 );
+C_ASSERT( sizeof(struct open_keyed_event_request) == 24 );
+C_ASSERT( FIELD_OFFSET(struct open_keyed_event_reply, handle) == 8 );
+C_ASSERT( sizeof(struct open_keyed_event_reply) == 16 );
 C_ASSERT( FIELD_OFFSET(struct create_mutex_request, access) == 12 );
 C_ASSERT( FIELD_OFFSET(struct create_mutex_request, attributes) == 16 );
 C_ASSERT( FIELD_OFFSET(struct create_mutex_request, owned) == 20 );

server/trace.c

@@ -1404,6 +1404,31 @@ static void dump_open_event_reply( const struct open_event_reply *req )
     fprintf( stderr, " handle=%04x", req->handle );
 }
 
+static void dump_create_keyed_event_request( const struct create_keyed_event_request *req )
+{
+    fprintf( stderr, " access=%08x", req->access );
+    fprintf( stderr, ", attributes=%08x", req->attributes );
+    dump_varargs_object_attributes( ", objattr=", cur_size );
+}
+
+static void dump_create_keyed_event_reply( const struct create_keyed_event_reply *req )
+{
+    fprintf( stderr, " handle=%04x", req->handle );
+}
+
+static void dump_open_keyed_event_request( const struct open_keyed_event_request *req )
+{
+    fprintf( stderr, " access=%08x", req->access );
+    fprintf( stderr, ", attributes=%08x", req->attributes );
+    fprintf( stderr, ", rootdir=%04x", req->rootdir );
+    dump_varargs_unicode_str( ", name=", cur_size );
+}
+
+static void dump_open_keyed_event_reply( const struct open_keyed_event_reply *req )
+{
+    fprintf( stderr, " handle=%04x", req->handle );
+}
+
 static void dump_create_mutex_request( const struct create_mutex_request *req )
 {
     fprintf( stderr, " access=%08x", req->access );
@@ -4008,6 +4033,8 @@ static const dump_func req_dumpers[REQ_NB_REQUESTS] = {
     (dump_func)dump_create_event_request,
     (dump_func)dump_event_op_request,
     (dump_func)dump_open_event_request,
+    (dump_func)dump_create_keyed_event_request,
+    (dump_func)dump_open_keyed_event_request,
     (dump_func)dump_create_mutex_request,
     (dump_func)dump_release_mutex_request,
     (dump_func)dump_open_mutex_request,
@@ -4260,6 +4287,8 @@ static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
     (dump_func)dump_create_event_reply,
     NULL,
     (dump_func)dump_open_event_reply,
+    (dump_func)dump_create_keyed_event_reply,
+    (dump_func)dump_open_keyed_event_reply,
     (dump_func)dump_create_mutex_reply,
     (dump_func)dump_release_mutex_reply,
     (dump_func)dump_open_mutex_reply,
@@ -4512,6 +4541,8 @@ static const char * const req_names[REQ_NB_REQUESTS] = {
     "create_event",
     "event_op",
     "open_event",
+    "create_keyed_event",
+    "open_keyed_event",
     "create_mutex",
     "release_mutex",
     "open_mutex",