DBusSocket
_dbus_accept_with_noncefile (DBusSocket listen_fd, const DBusNonceFile *noncefile)
{
DBusSocket fd = _dbus_socket_get_invalid ();
DBusString nonce;
_dbus_assert (noncefile != NULL);
/* Make it valid to "free" this even if _dbus_string_init() runs
* out of memory: see comment in do_check_nonce() */
_dbus_string_init_const (&nonce, "");
if (!_dbus_string_init (&nonce))
goto out;
//PENDING(kdab): set better errors
if (_dbus_read_nonce (_dbus_noncefile_get_path(noncefile), &nonce, NULL) != TRUE)
goto out;
fd = _dbus_accept (listen_fd);
if (!_dbus_socket_is_valid (fd))
goto out;
if (do_check_nonce(fd, &nonce, NULL) != TRUE) {
_dbus_verbose ("nonce check failed. Closing socket.\n");
_dbus_close_socket(fd, NULL);
_dbus_socket_invalidate (&fd);
goto out;
}
out:
_dbus_string_free (&nonce);
return fd;
}
/**
* Creates a new transport for the given hostname and port.
* If host is NULL, it will default to localhost
*
* @param host the host to connect to
* @param port the port to connect to
* @param family the address family to connect to
* @param noncefile path to nonce file
* @param error location to store reason for failure.
* @returns a new transport, or #NULL on failure.
*/
DBusTransport*
_dbus_transport_new_for_tcp_socket (const char *host,
const char *port,
const char *family,
const char *noncefile,
DBusError *error)
{
DBusSocket fd;
DBusTransport *transport;
DBusString address;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
if (!_dbus_string_init (&address))
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
return NULL;
}
if (host == NULL)
host = "localhost";
if (!_dbus_string_append (&address, noncefile ? "nonce-tcp:" : "tcp:"))
goto error;
if (!_dbus_string_append (&address, "host=") ||
!_dbus_string_append (&address, host))
goto error;
if (!_dbus_string_append (&address, ",port=") ||
!_dbus_string_append (&address, port))
goto error;
if (family != NULL &&
(!_dbus_string_append (&address, ",family=") ||
!_dbus_string_append (&address, family)))
goto error;
if (noncefile != NULL &&
(!_dbus_string_append (&address, ",noncefile=") ||
!_dbus_string_append (&address, noncefile)))
goto error;
fd = _dbus_connect_tcp_socket_with_nonce (host, port, family, noncefile, error);
if (!_dbus_socket_is_valid (fd))
{
_DBUS_ASSERT_ERROR_IS_SET (error);
_dbus_string_free (&address);
return NULL;
}
_dbus_verbose ("Successfully connected to tcp socket %s:%s\n",
host, port);
transport = _dbus_transport_new_for_socket (fd, NULL, &address);
_dbus_string_free (&address);
if (transport == NULL)
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
_dbus_close_socket (fd, NULL);
_dbus_socket_invalidate (&fd);
}
return transport;
error:
_dbus_string_free (&address);
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
return NULL;
}
