-/* -*- mode: C; c-file-style: "gnu" -*- */
-/* dbus-transport-protected.h Used by subclasses of DBusTransport object (internal to D-BUS implementation)
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+/* dbus-transport-protected.h Used by subclasses of DBusTransport object (internal to D-Bus implementation)
*
- * Copyright (C) 2002 Red Hat Inc.
+ * Copyright (C) 2002, 2004 Red Hat Inc.
*
- * Licensed under the Academic Free License version 1.2
+ * Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef DBUS_TRANSPORT_PROTECTED_H
#include <dbus/dbus-errors.h>
#include <dbus/dbus-transport.h>
#include <dbus/dbus-message-internal.h>
+#include <dbus/dbus-authorization.h>
+#include <dbus/dbus-auth.h>
+#include <dbus/dbus-resources.h>
-DBUS_BEGIN_DECLS;
+DBUS_BEGIN_DECLS
typedef struct DBusTransportVTable DBusTransportVTable;
+/**
+ * The virtual table that must be implemented to
+ * create a new kind of transport.
+ */
struct DBusTransportVTable
{
- void (* finalize) (DBusTransport *transport);
+ void (* finalize) (DBusTransport *transport);
/**< The finalize method must free the transport. */
- void (* handle_watch) (DBusTransport *transport,
- DBusWatch *watch,
- unsigned int flags);
+ dbus_bool_t (* handle_watch) (DBusTransport *transport,
+ DBusWatch *watch,
+ unsigned int flags);
/**< The handle_watch method handles reading/writing
* data as indicated by the flags.
*/
- void (* disconnect) (DBusTransport *transport);
+ void (* disconnect) (DBusTransport *transport);
/**< Disconnect this transport. */
- void (* connection_set) (DBusTransport *transport);
+ dbus_bool_t (* connection_set) (DBusTransport *transport);
/**< Called when transport->connection has been filled in */
- void (* messages_pending) (DBusTransport *transport,
- int queue_length);
- /**< Called when the outgoing message queue goes from empty
- * to non-empty or vice versa.
- */
-
- void (* do_iteration) (DBusTransport *transport,
- unsigned int flags,
- int timeout_milliseconds);
+ void (* do_iteration) (DBusTransport *transport,
+ unsigned int flags,
+ int timeout_milliseconds);
/**< Called to do a single "iteration" (block on select/poll
* followed by reading or writing data).
*/
+
+ void (* live_messages_changed) (DBusTransport *transport);
+ /**< Outstanding messages counter changed */
+
+ dbus_bool_t (* get_socket_fd) (DBusTransport *transport,
+ int *fd_p);
+ /**< Get socket file descriptor */
};
+/**
+ * Object representing a transport such as a socket.
+ * A transport can shuttle messages from point A to point B,
+ * and is the backend for a #DBusConnection.
+ *
+ */
struct DBusTransport
{
int refcount; /**< Reference count. */
DBusConnection *connection; /**< Connection owning this transport. */
DBusMessageLoader *loader; /**< Message-loading buffer. */
+
+ DBusAuth *auth; /**< Authentication conversation */
+ DBusAuthorization *authorization; /**< Authorization conversation */
+
+ DBusCredentials *credentials; /**< Credentials of other end read from the socket */
+
+ long max_live_messages_size; /**< Max total size of received messages. */
+ long max_live_messages_unix_fds; /**< Max total unix fds of received messages. */
+
+ DBusCounter *live_messages; /**< Counter for size/unix fds of all live messages. */
+
+ char *address; /**< Address of the server we are connecting to (#NULL for the server side of a transport) */
+
+ char *expected_guid; /**< GUID we expect the server to have, #NULL on server side or if we don't have an expectation */
- unsigned int disconnected : 1; /**< TRUE if we are disconnected. */
+ unsigned int disconnected : 1; /**< #TRUE if we are disconnected. */
+ unsigned int authenticated : 1; /**< Cache of auth state; use _dbus_transport_peek_is_authenticated() to query value */
+ unsigned int send_credentials_pending : 1; /**< #TRUE if we need to send credentials */
+ unsigned int receive_credentials_pending : 1; /**< #TRUE if we need to receive credentials */
+ unsigned int is_server : 1; /**< #TRUE if on the server side */
+ unsigned int unused_bytes_recovered : 1; /**< #TRUE if we've recovered unused bytes from auth */
};
dbus_bool_t _dbus_transport_init_base (DBusTransport *transport,
- const DBusTransportVTable *vtable);
+ const DBusTransportVTable *vtable,
+ const DBusString *server_guid,
+ const DBusString *address);
void _dbus_transport_finalize_base (DBusTransport *transport);
+typedef enum
+{
+ DBUS_TRANSPORT_OPEN_NOT_HANDLED, /**< we aren't in charge of this address type */
+ DBUS_TRANSPORT_OPEN_OK, /**< we set up the listen */
+ DBUS_TRANSPORT_OPEN_BAD_ADDRESS, /**< malformed address */
+ DBUS_TRANSPORT_OPEN_DID_NOT_CONNECT /**< well-formed address but failed to set it up */
+} DBusTransportOpenResult;
+
+DBusTransportOpenResult _dbus_transport_open_platform_specific (DBusAddressEntry *entry,
+ DBusTransport **transport_p,
+ DBusError *error);
+
+#define DBUS_TRANSPORT_CAN_SEND_UNIX_FD(x) \
+ _dbus_auth_get_unix_fd_negotiated((x)->auth)
-DBUS_END_DECLS;
+DBUS_END_DECLS
#endif /* DBUS_TRANSPORT_PROTECTED_H */