/*
net_setup.c -- Setup.
Copyright (C) 1998-2005 Ivo Timmermans,
- 2000-2013 Guus Sliepen <guus@tinc-vpn.org>
+ 2000-2014 Guus Sliepen <guus@tinc-vpn.org>
2006 Scott Lamb <slamb@slamb.org>
2010 Brandon Black <blblack@gmail.com>
char *proxyuser;
char *proxypass;
proxytype_t proxytype;
-int autoconnect;
+bool autoconnect;
bool disablebuggypeers;
char *scriptinterpreter;
if(!read_host_config(config_tree, n->name))
goto exit;
- /* First, check for simple ECDSAPublicKey statement */
+ /* First, check for simple Ed25519PublicKey statement */
- if(get_config_string(lookup_config(config_tree, "ECDSAPublicKey"), &p)) {
+ if(get_config_string(lookup_config(config_tree, "Ed25519PublicKey"), &p)) {
n->ecdsa = ecdsa_set_base64_public_key(p);
free(p);
goto exit;
}
- /* Else, check for ECDSAPublicKeyFile statement and read it */
+ /* Else, check for Ed25519PublicKeyFile statement and read it */
- if(!get_config_string(lookup_config(config_tree, "ECDSAPublicKeyFile"), &pubname))
+ if(!get_config_string(lookup_config(config_tree, "Ed25519PublicKeyFile"), &pubname))
xasprintf(&pubname, "%s" SLASH "hosts" SLASH "%s", confbase, n->name);
fp = fopen(pubname, "r");
return false;
}
- /* First, check for simple ECDSAPublicKey statement */
+ /* First, check for simple Ed25519PublicKey statement */
- if(get_config_string(lookup_config(c->config_tree, "ECDSAPublicKey"), &p)) {
+ if(get_config_string(lookup_config(c->config_tree, "Ed25519PublicKey"), &p)) {
c->ecdsa = ecdsa_set_base64_public_key(p);
free(p);
return c->ecdsa;
}
- /* Else, check for ECDSAPublicKeyFile statement and read it */
+ /* Else, check for Ed25519PublicKeyFile statement and read it */
- if(!get_config_string(lookup_config(c->config_tree, "ECDSAPublicKeyFile"), &fname))
+ if(!get_config_string(lookup_config(c->config_tree, "Ed25519PublicKeyFile"), &fname))
xasprintf(&fname, "%s" SLASH "hosts" SLASH "%s", confbase, c->name);
fp = fopen(fname, "r");
if(!fp) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Error reading ECDSA public key file `%s': %s",
+ logger(DEBUG_ALWAYS, LOG_ERR, "Error reading Ed25519 public key file `%s': %s",
fname, strerror(errno));
free(fname);
return false;
fclose(fp);
if(!c->ecdsa)
- logger(DEBUG_ALWAYS, LOG_ERR, "Parsing ECDSA public key file `%s' failed.", fname);
+ logger(DEBUG_ALWAYS, LOG_ERR, "Parsing Ed25519 public key file `%s' failed.", fname);
free(fname);
return c->ecdsa;
}
/* Check for PrivateKeyFile statement and read it */
- if(!get_config_string(lookup_config(config_tree, "ECDSAPrivateKeyFile"), &fname))
- xasprintf(&fname, "%s" SLASH "ecdsa_key.priv", confbase);
+ if(!get_config_string(lookup_config(config_tree, "Ed25519PrivateKeyFile"), &fname))
+ xasprintf(&fname, "%s" SLASH "ed25519_key.priv", confbase);
fp = fopen(fname, "r");
if(!fp) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Error reading ECDSA private key file `%s': %s", fname, strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Error reading Ed25519 private key file `%s': %s", fname, strerror(errno));
if(errno == ENOENT)
- logger(DEBUG_ALWAYS, LOG_INFO, "Create an ECDSA keypair with `tinc -n %s generate-ecdsa-keys'.", netname ?: ".");
+ logger(DEBUG_ALWAYS, LOG_INFO, "Create an Ed25519 keypair with `tinc -n %s generate-ed25519-keys'.", netname ?: ".");
free(fname);
return false;
}
struct stat s;
if(fstat(fileno(fp), &s)) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Could not stat ECDSA private key file `%s': %s'", fname, strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Could not stat Ed25519 private key file `%s': %s'", fname, strerror(errno));
free(fname);
return false;
}
if(s.st_mode & ~0100700)
- logger(DEBUG_ALWAYS, LOG_WARNING, "Warning: insecure file permissions for ECDSA private key file `%s'!", fname);
+ logger(DEBUG_ALWAYS, LOG_WARNING, "Warning: insecure file permissions for Ed25519 private key file `%s'!", fname);
#endif
myself->connection->ecdsa = ecdsa_read_pem_private_key(fp);
fclose(fp);
if(!myself->connection->ecdsa)
- logger(DEBUG_ALWAYS, LOG_ERR, "Reading ECDSA private key file `%s' failed: %s", fname, strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Reading Ed25519 private key file `%s' failed", fname);
free(fname);
return myself->connection->ecdsa;
}
invitation_key = NULL;
}
- xasprintf(&fname, "%s" SLASH "invitations" SLASH "ecdsa_key.priv", confbase);
+ xasprintf(&fname, "%s" SLASH "invitations" SLASH "ed25519_key.priv", confbase);
fp = fopen(fname, "r");
invitation_key = ecdsa_read_pem_private_key(fp);
fclose(fp);
if(!invitation_key)
- logger(DEBUG_ALWAYS, LOG_ERR, "Reading ECDSA private key file `%s' failed: %s", fname, strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Reading Ed25519 private key file `%s' failed", fname);
}
free(fname);
if(!get_config_int(lookup_config(config_tree, "KeyExpire"), &keylifetime))
keylifetime = 3600;
- get_config_int(lookup_config(config_tree, "AutoConnect"), &autoconnect);
- if(autoconnect < 0)
- autoconnect = 0;
+ config_t *cfg = lookup_config(config_tree, "AutoConnect");
+ if(cfg) {
+ if(!get_config_bool(cfg, &autoconnect)) {
+ // Some backwards compatibility with when this option was an int
+ int val = 0;
+ get_config_int(cfg, &val);
+ autoconnect = val;
+ }
+ }
get_config_bool(lookup_config(config_tree, "DisableBuggyPeers"), &disablebuggypeers);
return true;
}
+/*
+ Add listening sockets.
+*/
+static bool add_listen_address(char *address, bool bindto) {
+ 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) {
+ // Ignore duplicate addresses
+ bool found = false;
+
+ for(int i = 0; i < listen_sockets; i++)
+ if(!memcmp(&listen_socket[i].sa, aip->ai_addr, aip->ai_addrlen)) {
+ found = true;
+ break;
+ }
+
+ if(found)
+ continue;
+
+ 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) {
+ char *hostname = sockaddr2hostname((sockaddr_t *) aip->ai_addr);
+ logger(DEBUG_CONNECTIONS, LOG_NOTICE, "Listening on %s", hostname);
+ free(hostname);
+ }
+
+ listen_socket[listen_sockets].bindto = bindto;
+ memcpy(&listen_socket[listen_sockets].sa, aip->ai_addr, aip->ai_addrlen);
+ listen_sockets++;
+ }
+
+ freeaddrinfo(ai);
+ return true;
+}
+
/*
Configure node_t myself and set up the local sockets (listen only)
*/
}
} else {
listen_sockets = 0;
- config_t *cfg = lookup_config(config_tree, "BindToAddress");
+ int cfgs = 0;
- do {
+ for(config_t *cfg = lookup_config(config_tree, "BindToAddress"); cfg; cfg = lookup_config_next(config_tree, cfg)) {
+ cfgs++;
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));
+ if(!add_listen_address(address, true))
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++;
- }
+ for(config_t *cfg = lookup_config(config_tree, "ListenAddress"); cfg; cfg = lookup_config_next(config_tree, cfg)) {
+ cfgs++;
+ get_config_string(cfg, &address);
+ if(!add_listen_address(address, false))
+ return false;
+ }
- freeaddrinfo(ai);
- } while(cfg);
+ if(!cfgs)
+ if(!add_listen_address(address, NULL))
+ return false;
}
if(!listen_sockets) {
terminate_connection(c, false);
}
- list_delete_list(outgoing_list);
+ if(outgoing_list)
+ list_delete_list(outgoing_list);
if(myself && myself->connection) {
subnet_update(myself, NULL, false);
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