- if(get_config_int(lookup_config(config_tree, "Compression"), &myself->incompression)) {
- if(myself->incompression < 0 || myself->incompression > 11) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Bogus compression level!");
- return false;
- }
- } else
- myself->incompression = 0;
-
- myself->connection->outcompression = 0;
-
- /* Done */
-
- myself->nexthop = myself;
- myself->via = myself;
- myself->status.reachable = true;
- myself->last_state_change = now.tv_sec;
- myself->status.sptps = experimental;
- node_add(myself);
-
- graph();
-
- if(strictsubnets)
- load_all_subnets();
- else if(autoconnect)
- load_all_nodes();
-
- /* Open device */
-
- devops = os_devops;
-
- if(get_config_string(lookup_config(config_tree, "DeviceType"), &type)) {
- if(!strcasecmp(type, "dummy"))
- devops = dummy_devops;
- else if(!strcasecmp(type, "raw_socket"))
- devops = raw_socket_devops;
- else if(!strcasecmp(type, "multicast"))
- devops = multicast_devops;
-#ifdef ENABLE_UML
- else if(!strcasecmp(type, "uml"))
- devops = uml_devops;
-#endif
-#ifdef ENABLE_VDE
- else if(!strcasecmp(type, "vde"))
- devops = vde_devops;
-#endif
- }
-
- if(!devops.setup())
- return false;
-
- if(device_fd >= 0)
- io_add(&device_io, handle_device_data, NULL, device_fd, IO_READ);
-
- /* Open sockets */
-
- if(!do_detach && getenv("LISTEN_FDS")) {
- sockaddr_t sa;
- socklen_t salen;
-
- listen_sockets = atoi(getenv("LISTEN_FDS"));
-#ifdef HAVE_UNSETENV
- unsetenv("LISTEN_FDS");
-#endif
-
- if(listen_sockets > MAXSOCKETS) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Too many listening sockets");
- return false;
- }
-
- for(int i = 0; i < listen_sockets; i++) {
- salen = sizeof sa;
- if(getsockname(i + 3, &sa.sa, &salen) < 0) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Could not get address of listen fd %d: %s", i + 3, sockstrerror(errno));
- return false;
- }
-
-#ifdef FD_CLOEXEC
- fcntl(i + 3, F_SETFD, FD_CLOEXEC);
-#endif
-
- int udp_fd = setup_vpn_in_socket(&sa);
- if(udp_fd < 0)
- return false;
-
- io_add(&listen_socket[i].tcp, (io_cb_t)handle_new_meta_connection, &listen_socket[i], i + 3, IO_READ);
- io_add(&listen_socket[i].udp, (io_cb_t)handle_incoming_vpn_data, &listen_socket[i], udp_fd, IO_READ);
-
- if(debug_level >= DEBUG_CONNECTIONS) {
- hostname = sockaddr2hostname(&sa);
- logger(DEBUG_CONNECTIONS, LOG_NOTICE, "Listening on %s", hostname);
- free(hostname);
- }
-
- memcpy(&listen_socket[i].sa, &sa, salen);
- }
- } else {
- listen_sockets = 0;
- config_t *cfg = lookup_config(config_tree, "BindToAddress");
-
- do {
- get_config_string(cfg, &address);
- if(cfg)
- cfg = lookup_config_next(config_tree, cfg);
-
- char *port = myport;
-
- if(address) {
- char *space = strchr(address, ' ');
- if(space) {
- *space++ = 0;
- port = space;
- }
-
- if(!strcmp(address, "*"))
- *address = 0;
- }
-
- struct addrinfo *ai, hint = {0};
- hint.ai_family = addressfamily;
- hint.ai_socktype = SOCK_STREAM;
- hint.ai_protocol = IPPROTO_TCP;
- hint.ai_flags = AI_PASSIVE;
-
- int err = getaddrinfo(address && *address ? address : NULL, port, &hint, &ai);
- free(address);
-
- if(err || !ai) {
- logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "getaddrinfo", err == EAI_SYSTEM ? strerror(err) : gai_strerror(err));
- return false;
- }
-
- for(struct addrinfo *aip = ai; aip; aip = aip->ai_next) {
- if(listen_sockets >= MAXSOCKETS) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Too many listening sockets");
- return false;
- }
-
- int tcp_fd = setup_listen_socket((sockaddr_t *) aip->ai_addr);
-
- if(tcp_fd < 0)
- continue;
-
- int udp_fd = setup_vpn_in_socket((sockaddr_t *) aip->ai_addr);
-
- if(tcp_fd < 0) {
- close(tcp_fd);
- continue;
- }
-
- io_add(&listen_socket[listen_sockets].tcp, handle_new_meta_connection, &listen_socket[listen_sockets], tcp_fd, IO_READ);
- io_add(&listen_socket[listen_sockets].udp, handle_incoming_vpn_data, &listen_socket[listen_sockets], udp_fd, IO_READ);
-
- if(debug_level >= DEBUG_CONNECTIONS) {
- hostname = sockaddr2hostname((sockaddr_t *) aip->ai_addr);
- logger(DEBUG_CONNECTIONS, LOG_NOTICE, "Listening on %s", hostname);
- free(hostname);
- }
-
- memcpy(&listen_socket[listen_sockets].sa, aip->ai_addr, aip->ai_addrlen);
- listen_sockets++;
- }
-
- freeaddrinfo(ai);
- } while(cfg);
- }
-
- if(!listen_sockets) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Unable to create any listening socket!");
- return false;
- }
-
- last_config_check = now.tv_sec;