/**
* Creates a new server listening on TCP.
* If host is NULL, it will default to localhost.
* If bind is NULL, it will default to the value for the host
* parameter, and if that is NULL, then localhost
* If bind is a hostname, it will be resolved and will listen
* on all returned addresses.
* If family is NULL, hostname resolution will try all address
* families, otherwise it can be ipv4 or ipv6 to restrict the
* addresses considered.
*
* @param host the hostname to report for the listen address
* @param bind the hostname to listen on
* @param port the port to listen on or 0 to let the OS choose
* @param family
* @param error location to store reason for failure.
* @param use_nonce whether to use a nonce for low-level authentication (nonce-tcp transport) or not (tcp transport)
* @returns the new server, or #NULL on failure.
*/
DBusServer*
_dbus_server_new_for_tcp_socket (const char *host,
const char *bind,
const char *port,
const char *family,
DBusError *error,
dbus_bool_t use_nonce)
{
DBusServer *server;
int *listen_fds = NULL;
int nlisten_fds = 0, i;
DBusString address;
DBusString host_str;
DBusString port_str;
DBusNonceFile *noncefile;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
noncefile = NULL;
if (!_dbus_string_init (&address))
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
return NULL;
}
if (!_dbus_string_init (&port_str))
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
goto failed_0;
}
if (host == NULL)
host = "localhost";
if (port == NULL)
port = "0";
if (bind == NULL)
bind = host;
else if (strcmp (bind, "*") == 0)
bind = NULL;
nlisten_fds =_dbus_listen_tcp_socket (bind, port, family,
&port_str,
&listen_fds, error);
if (nlisten_fds <= 0)
{
_DBUS_ASSERT_ERROR_IS_SET(error);
goto failed_1;
}
_dbus_string_init_const (&host_str, host);
if (!_dbus_string_append (&address, use_nonce ? "nonce-tcp:host=" : "tcp:host=") ||
!_dbus_address_append_escaped (&address, &host_str) ||
!_dbus_string_append (&address, ",port=") ||
!_dbus_string_append (&address, _dbus_string_get_const_data(&port_str)))
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
goto failed_2;
}
if (family &&
(!_dbus_string_append (&address, ",family=") ||
!_dbus_string_append (&address, family)))
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
goto failed_2;
}
if (use_nonce)
{
noncefile = dbus_new0 (DBusNonceFile, 1);
if (noncefile == NULL)
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
goto failed_2;
}
if (!_dbus_noncefile_create (noncefile, error))
goto failed_3;
if (!_dbus_string_append (&address, ",noncefile=") ||
!_dbus_address_append_escaped (&address, _dbus_noncefile_get_path (noncefile)))
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
goto failed_4;
}
}
server = _dbus_server_new_for_socket (listen_fds, nlisten_fds, &address, noncefile);
if (server == NULL)
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
goto failed_4;
}
_dbus_string_free (&port_str);
_dbus_string_free (&address);
dbus_free(listen_fds);
return server;
failed_4:
_dbus_noncefile_delete (noncefile, NULL);
failed_3:
dbus_free (noncefile);
failed_2:
for (i = 0 ; i < nlisten_fds ; i++)
_dbus_close_socket (listen_fds[i], NULL);
dbus_free(listen_fds);
failed_1:
_dbus_string_free (&port_str);
failed_0:
_dbus_string_free (&address);
return NULL;
}
/**
* Creates a new server listening on the given Unix domain socket.
*
* @param path the path for the domain socket.
* @param abstract #TRUE to use abstract socket namespace
* @param error location to store reason for failure.
* @returns the new server, or #NULL on failure.
*/
DBusServer*
_dbus_server_new_for_domain_socket (const char *path,
dbus_bool_t abstract,
DBusError *error)
{
DBusServer *server;
int listen_fd;
DBusString address;
char *path_copy;
DBusString path_str;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
if (!_dbus_string_init (&address))
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
return NULL;
}
_dbus_string_init_const (&path_str, path);
if ((abstract &&
!_dbus_string_append (&address, "unix:abstract=")) ||
(!abstract &&
!_dbus_string_append (&address, "unix:path=")) ||
!_dbus_address_append_escaped (&address, &path_str))
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
goto failed_0;
}
if (abstract)
{
path_copy = NULL;
}
else
{
path_copy = _dbus_strdup (path);
if (path_copy == NULL)
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
goto failed_0;
}
}
listen_fd = _dbus_listen_unix_socket (path, abstract, error);
if (listen_fd < 0)
{
_DBUS_ASSERT_ERROR_IS_SET (error);
goto failed_1;
}
server = _dbus_server_new_for_socket (&listen_fd, 1, &address, 0);
if (server == NULL)
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
goto failed_2;
}
if (path_copy != NULL)
_dbus_server_socket_own_filename(server, path_copy);
_dbus_string_free (&address);
return server;
failed_2:
_dbus_close_socket (listen_fd, NULL);
failed_1:
dbus_free (path_copy);
failed_0:
_dbus_string_free (&address);
return NULL;
}
/**
* Creates a new debug server using an in-process pipe
*
* @param server_name the name of the server.
* @param error address where an error can be returned.
* @returns a new server, or #NULL on failure.
*/
DBusServer*
_dbus_server_debug_pipe_new (const char *server_name,
DBusError *error)
{
DBusServerDebugPipe *debug_server;
DBusString address;
DBusString name_str;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
if (!pipe_hash_ref ())
return NULL;
if (_dbus_hash_table_lookup_string (server_pipe_hash, server_name) != NULL)
{
dbus_set_error (error, DBUS_ERROR_ADDRESS_IN_USE, NULL);
pipe_hash_unref ();
return NULL;
}
debug_server = dbus_new0 (DBusServerDebugPipe, 1);
if (debug_server == NULL)
goto nomem_0;
if (!_dbus_string_init (&address))
goto nomem_1;
_dbus_string_init_const (&name_str, server_name);
if (!_dbus_string_append (&address, "debug-pipe:name=") ||
!_dbus_address_append_escaped (&address, &name_str))
goto nomem_2;
debug_server->name = _dbus_strdup (server_name);
if (debug_server->name == NULL)
goto nomem_2;
if (!_dbus_server_init_base (&debug_server->base,
&debug_vtable, &address))
goto nomem_3;
if (!_dbus_hash_table_insert_string (server_pipe_hash,
debug_server->name,
debug_server))
goto nomem_4;
_dbus_string_free (&address);
/* server keeps the pipe hash ref */
return (DBusServer *)debug_server;
nomem_4:
_dbus_server_finalize_base (&debug_server->base);
nomem_3:
dbus_free (debug_server->name);
nomem_2:
_dbus_string_free (&address);
nomem_1:
dbus_free (debug_server);
nomem_0:
pipe_hash_unref ();
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
return NULL;
}
