- config_t *cfg;
- subnet_t *subnet;
- char *name, *hostname, *mode, *afname, *cipher, *digest;
- struct addrinfo hint, *ai, *aip;
- int choice, err, sock;
-cp
- myself = new_node();
- myself->connection = new_connection();
- init_configuration(&myself->connection->config_tree);
-
- asprintf(&myself->hostname, _("MYSELF"));
- asprintf(&myself->connection->hostname, _("MYSELF"));
-
- myself->connection->options = 0;
- myself->connection->protocol_version = PROT_CURRENT;
-
- if(!get_config_string(lookup_config(config_tree, "Name"), &name)) /* Not acceptable */
- {
- syslog(LOG_ERR, _("Name for tinc daemon required!"));
- return -1;
- }
-
- if(check_id(name))
- {
- syslog(LOG_ERR, _("Invalid name for myself!"));
- free(name);
- return -1;
- }
-
- myself->name = name;
- myself->connection->name = xstrdup(name);
-
-cp
- if(read_rsa_private_key())
- return -1;
-
- if(read_connection_config(myself->connection))
- {
- syslog(LOG_ERR, _("Cannot open host configuration file for myself!"));
- return -1;
- }
-
- if(read_rsa_public_key(myself->connection))
- return -1;
-cp
-
- if(check_rsa_key(myself->connection->rsa_key))
- {
- syslog(LOG_ERR, _("Invalid public/private keypair!"));
- return -1;
- }
-
- if(!get_config_string(lookup_config(myself->connection->config_tree, "Port"), &myport))
- asprintf(&myport, "655");
-
-/* Read in all the subnets specified in the host configuration file */
-
- cfg = lookup_config(myself->connection->config_tree, "Subnet");
-
- while(cfg)
- {
- if(!get_config_subnet(cfg, &subnet))
- return -1;
-
- subnet_add(myself, subnet);
-
- cfg = lookup_config_next(myself->connection->config_tree, cfg);
- }
-
-cp
- /* Check some options */
-
- if(get_config_bool(lookup_config(config_tree, "IndirectData"), &choice))
- if(choice)
- myself->options |= OPTION_INDIRECT;
-
- if(get_config_bool(lookup_config(config_tree, "TCPOnly"), &choice))
- if(choice)
- myself->options |= OPTION_TCPONLY;
-
- if(get_config_bool(lookup_config(myself->connection->config_tree, "IndirectData"), &choice))
- if(choice)
- myself->options |= OPTION_INDIRECT;
-
- if(get_config_bool(lookup_config(myself->connection->config_tree, "TCPOnly"), &choice))
- if(choice)
- myself->options |= OPTION_TCPONLY;
-
- if(myself->options & OPTION_TCPONLY)
- myself->options |= OPTION_INDIRECT;
-
- if(get_config_string(lookup_config(config_tree, "Mode"), &mode))
- {
- if(!strcasecmp(mode, "router"))
- routing_mode = RMODE_ROUTER;
- else if (!strcasecmp(mode, "switch"))
- routing_mode = RMODE_SWITCH;
- else if (!strcasecmp(mode, "hub"))
- routing_mode = RMODE_HUB;
- else
- {
- syslog(LOG_ERR, _("Invalid routing mode!"));
- return -1;
- }
- free(mode);
- }
- else
- routing_mode = RMODE_ROUTER;
-
- get_config_bool(lookup_config(config_tree, "PriorityInheritance"), &priorityinheritance);
-
- if(get_config_int(lookup_config(myself->connection->config_tree, "MaxTimeout"), &maxtimeout))
- {
- if(maxtimeout <= 0)
- {
- syslog(LOG_ERR, _("Bogus maximum timeout!"));
- return -1;
- }
- }
- 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
- {
- syslog(LOG_ERR, _("Invalid address family!"));
- return -1;
- }
- free(afname);
- }
- else
- addressfamily = AF_INET;
-
- get_config_bool(lookup_config(config_tree, "Hostnames"), &hostnames);
-cp
- /* Generate packet encryption key */
-
- if(get_config_string(lookup_config(myself->connection->config_tree, "Cipher"), &cipher))
- {
- if(!strcasecmp(cipher, "none"))
- {
- myself->cipher = NULL;
- }
- else
- {
- if(!(myself->cipher = EVP_get_cipherbyname(cipher)))
- {
- syslog(LOG_ERR, _("Unrecognized cipher type!"));
- return -1;
- }
- }
- }
- else
- myself->cipher = EVP_bf_cbc();
-
- if(myself->cipher)
- myself->keylength = myself->cipher->key_len + myself->cipher->iv_len;
- else
- myself->keylength = 1;
-
- myself->connection->outcipher = EVP_bf_ofb();
-
- myself->key = (char *)xmalloc(myself->keylength);
- RAND_pseudo_bytes(myself->key, myself->keylength);
-
- if(!get_config_int(lookup_config(config_tree, "KeyExpire"), &keylifetime))
- keylifetime = 3600;
-
- keyexpires = time(NULL) + keylifetime;
-
- /* Check if we want to use message authentication codes... */
-
- if(get_config_string(lookup_config(myself->connection->config_tree, "Digest"), &digest))
- {
- if(!strcasecmp(digest, "none"))
- {
- myself->digest = NULL;
- }
- else
- {
- if(!(myself->digest = EVP_get_digestbyname(digest)))
- {
- syslog(LOG_ERR, _("Unrecognized digest type!"));
- return -1;
- }
- }
- }
- else
- myself->digest = EVP_sha1();
-
- myself->connection->outdigest = EVP_sha1();
-
- if(get_config_int(lookup_config(myself->connection->config_tree, "MACLength"), &myself->maclength))
- {
- if(myself->digest)
- {
- if(myself->maclength > myself->digest->md_size)
- {
- syslog(LOG_ERR, _("MAC length exceeds size of digest!"));
- return -1;
- }
- else if (myself->maclength < 0)
- {
- syslog(LOG_ERR, _("Bogus MAC length!"));
- return -1;
- }
- }
- }
- else
- myself->maclength = 4;
-
- myself->connection->outmaclength = 0;
-
- /* Compression */
-
- if(get_config_int(lookup_config(myself->connection->config_tree, "Compression"), &myself->compression))
- {
- if(myself->compression < 0 || myself->compression > 9)
- {
- syslog(LOG_ERR, _("Bogus compression level!"));
- return -1;
- }
- }
- else
- myself->compression = 0;
-
- myself->connection->outcompression = 0;
-cp
- /* Done */
-
- myself->nexthop = myself;
- myself->via = myself;
- myself->status.active = 1;
- node_add(myself);
-
- graph();
-
-cp
- /* Open sockets */
-
- memset(&hint, 0, sizeof(hint));
-
- hint.ai_family = addressfamily;
- hint.ai_socktype = SOCK_STREAM;
- hint.ai_protocol = IPPROTO_TCP;
- hint.ai_flags = AI_PASSIVE;
-
- if((err = getaddrinfo(NULL, myport, &hint, &ai)) || !ai)
- {
- syslog(LOG_ERR, _("System call `%s' failed: %s"), "getaddrinfo", gai_strerror(err));
- return -1;
- }
-
- tcp_sockets = 0;
-
- for(aip = ai; aip; aip = aip->ai_next)
- {
- if((sock = setup_listen_socket((sockaddr_t *)aip->ai_addr)) < 0)
- continue;
-
- tcp_socket[tcp_sockets++] = sock;
- if(debug_lvl >= DEBUG_CONNECTIONS)
- {
- hostname = sockaddr2hostname((sockaddr_t *)aip->ai_addr);
- syslog(LOG_NOTICE, _("Listening on %s/tcp"), hostname);
- free(hostname);