+ if(priorityinheritance)
+ logger(DEBUG_ALWAYS, LOG_WARNING, "%s not supported on this platform", "PriorityInheritance");
+#endif
+
+ if(!get_config_int(lookup_config(config_tree, "MACExpire"), &macexpire))
+ macexpire = 600;
+
+ if(get_config_int(lookup_config(config_tree, "MaxTimeout"), &maxtimeout)) {
+ if(maxtimeout <= 0) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Bogus maximum timeout!");
+ return false;
+ }
+ } else
+ maxtimeout = 900;
+
+ if(get_config_string(lookup_config(config_tree, "AddressFamily"), &afname)) {
+ if(!strcasecmp(afname, "IPv4"))
+ addressfamily = AF_INET;
+ else if(!strcasecmp(afname, "IPv6"))
+ addressfamily = AF_INET6;
+ else if(!strcasecmp(afname, "any"))
+ addressfamily = AF_UNSPEC;
+ else {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Invalid address family!");
+ return false;
+ }
+ free(afname);
+ }
+
+ get_config_bool(lookup_config(config_tree, "Hostnames"), &hostnames);
+
+ if(!get_config_int(lookup_config(config_tree, "KeyExpire"), &keylifetime))
+ keylifetime = 3600;
+
+ return true;
+}
+
+/*
+ Configure node_t myself and set up the local sockets (listen only)
+*/
+static bool setup_myself(void) {
+ config_t *cfg;
+ subnet_t *subnet;
+ char *name, *hostname, *cipher, *digest, *type;
+ char *fname = NULL;
+ char *address = NULL;
+ char *envp[5];
+ struct addrinfo *ai, *aip, hint = {0};
+ int i, err;
+ int replaywin_int;
+
+ myself = new_node();
+ myself->connection = new_connection();
+
+ myself->hostname = xstrdup("MYSELF");
+ myself->connection->hostname = xstrdup("MYSELF");
+
+ myself->connection->options = 0;
+ myself->connection->protocol_major = PROT_MAJOR;
+ myself->connection->protocol_minor = PROT_MINOR;
+
+ myself->options |= PROT_MINOR << 24;
+
+ if(!(name = get_name())) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Name for tinc daemon required!");
+ return false;
+ }
+
+ myself->name = name;
+ myself->connection->name = xstrdup(name);
+ xasprintf(&fname, "%s" SLASH "hosts" SLASH "%s", confbase, name);
+ read_config_options(config_tree, name);
+ read_config_file(config_tree, fname);
+ free(fname);
+
+ get_config_bool(lookup_config(config_tree, "ExperimentalProtocol"), &experimental);
+
+ if(experimental && !read_ecdsa_private_key())
+ return false;
+
+ if(!read_rsa_private_key())
+ return false;
+
+ if(!get_config_string(lookup_config(config_tree, "Port"), &myport))
+ myport = xstrdup("655");
+
+ if(!atoi(myport)) {
+ struct addrinfo *ai = str2addrinfo("localhost", myport, SOCK_DGRAM);
+ sockaddr_t sa;
+ if(!ai || !ai->ai_addr)
+ return false;
+ free(myport);
+ memcpy(&sa, ai->ai_addr, ai->ai_addrlen);
+ sockaddr2str(&sa, NULL, &myport);
+ }
+
+ /* Read in all the subnets specified in the host configuration file */
+
+ cfg = lookup_config(config_tree, "Subnet");
+
+ while(cfg) {
+ if(!get_config_subnet(cfg, &subnet))
+ return false;
+
+ subnet_add(myself, subnet);
+
+ cfg = lookup_config_next(config_tree, cfg);
+ }
+
+ /* Check some options */
+
+ if(!setup_myself_reloadable())
+ return false;
+
+ get_config_bool(lookup_config(config_tree, "StrictSubnets"), &strictsubnets);
+ get_config_bool(lookup_config(config_tree, "TunnelServer"), &tunnelserver);
+ strictsubnets |= tunnelserver;
+
+
+
+ if(get_config_int(lookup_config(config_tree, "UDPRcvBuf"), &udp_rcvbuf)) {
+ if(udp_rcvbuf <= 0) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "UDPRcvBuf cannot be negative!");
+ return false;
+ }
+ }
+
+ if(get_config_int(lookup_config(config_tree, "UDPSndBuf"), &udp_sndbuf)) {
+ if(udp_sndbuf <= 0) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "UDPSndBuf cannot be negative!");
+ return false;
+ }
+ }
+
+ if(get_config_int(lookup_config(config_tree, "ReplayWindow"), &replaywin_int)) {
+ if(replaywin_int < 0) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "ReplayWindow cannot be negative!");
+ return false;
+ }
+ replaywin = (unsigned)replaywin_int;
+ }
+
+ /* Generate packet encryption key */
+
+ if(!get_config_string(lookup_config(config_tree, "Cipher"), &cipher))
+ cipher = xstrdup("blowfish");
+
+ if(!cipher_open_by_name(&myself->incipher, cipher)) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Unrecognized cipher type!");
+ return false;
+ }
+
+ regenerate_key();
+
+ /* Check if we want to use message authentication codes... */
+
+ int maclength = 4;
+ get_config_int(lookup_config(config_tree, "MACLength"), &maclength);
+
+ if(maclength < 0) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Bogus MAC length!");
+ return false;
+ }
+
+ if(!get_config_string(lookup_config(config_tree, "Digest"), &digest))
+ digest = xstrdup("sha1");
+
+ if(!digest_open_by_name(&myself->indigest, digest, maclength)) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Unrecognized digest type!");
+ return false;
+ }
+
+ /* Compression */
+
+ 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;
+ node_add(myself);
+
+ graph();
+
+ if(strictsubnets)
+ load_all_subnets();
+
+ /* 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) {
+ event_set(&device_ev, device_fd, EV_READ|EV_PERSIST, handle_device_data, NULL);
+
+ if (event_add(&device_ev, NULL) < 0) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "event_add failed: %s", strerror(errno));
+ devops.close();
+ return false;
+ }
+ }
+
+ /* Run tinc-up script to further initialize the tap interface */
+ xasprintf(&envp[0], "NETNAME=%s", netname ? : "");
+ xasprintf(&envp[1], "DEVICE=%s", device ? : "");
+ xasprintf(&envp[2], "INTERFACE=%s", iface ? : "");
+ xasprintf(&envp[3], "NAME=%s", myself->name);
+ envp[4] = NULL;
+
+ execute_script("tinc-up", envp);
+
+ for(i = 0; i < 4; i++)
+ free(envp[i]);
+
+ /* Run subnet-up scripts for our own subnets */
+
+ subnet_update(myself, NULL, true);
+
+ /* 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");