static void port_server_cmd_create(char * token, Channel * c) {
int err = 0;
PortAttribute * attrs = NULL;
PortServer * server;
Channel * port_channel;
json_read_struct(&c->inp, read_port_server_property, &attrs);
if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
if (read_stream(&c->inp) != MARKER_EOM) exception(ERR_JSON_SYNTAX);
/* In case the current channel is a proxy (value-add), use the
* target channel. Otherwise, use the provided channel. */
port_channel = proxy_get_target_channel(c);
if (port_channel == NULL) port_channel = c;
server = create_port_server(c, attrs, NULL, NULL, NULL, NULL);
if (server == NULL) err = errno;
write_stringz(&c->out, "R");
write_stringz(&c->out, token);
write_errno(&c->out, err);
if (err) write_stringz(&c->out, "null");
else {
write_port_server_info(&c->out, server);
write_stream(&c->out, 0);
}
write_stream(&c->out, MARKER_EOM);
}
/*
void remove_port_redirection(PortServer * redir) {
port_server_shutdown(redir->server);
}
*/
PortServer * create_port_redirection(PortRedirectionInfo * port) {
PortServer * server;
assert (port != NULL);
assert (port->c != NULL);
if (port == NULL || port->c == NULL) {
free_port_redirection_info(port);
errno = EINVAL;
return NULL;
}
ini_portforwarding();
/* We do not accept specifying a target_port (legacy) and port attributes */
if (port->target_port != 0 && port->attrs != NULL) {
free_port_redirection_info(port);
errno = EINVAL;
return NULL;
}
if (port->target_port != 0) {
char port_str[16];
PortAttribute * attr = (PortAttribute *)loc_alloc_zero(sizeof(PortAttribute));
snprintf(port_str, 16, "%d", port->target_port);
attr->name = loc_strdup("Port");
attr->value = loc_strdup(port_str);
attr->next = port->attrs;
port->attrs = attr;
}
server = create_port_server(port->c, port);
if (server == NULL) {
free_port_redirection_info(port);
loc_free(server);
return NULL;
}
else {
server->redir_info = port;
port->local_port = server->local_port;
server->auto_connect = port->auto_connect;
server->auto_connect_period = port->auto_connect_period == 0 ? 3 : port->auto_connect_period;
server->connect_callback = port->connect_callback;
server->disconnect_callback = port->disconnect_callback;
server->recv_callback = port->recv_callback;
server->callback_data = port->callback_data;
if (server->auto_connect) {
/* If auto connect mode is set, immediately try to connect to the
* port.
*/
port_connection_open(server, server->is_udp ? server->sock : -1);
}
return server;
}
}
