/*
net_setup.c -- Setup.
Copyright (C) 1998-2005 Ivo Timmermans,
- 2000-2010 Guus Sliepen <guus@tinc-vpn.org>
+ 2000-2012 Guus Sliepen <guus@tinc-vpn.org>
2006 Scott Lamb <slamb@slamb.org>
2010 Brandon Black <blblack@gmail.com>
char *myport;
static struct event device_ev;
+devops_t devops;
+
+char *proxyhost;
+char *proxyport;
+char *proxyuser;
+char *proxypass;
+proxytype_t proxytype;
bool node_read_ecdsa_public_key(node_t *n) {
if(ecdsa_active(&n->ecdsa))
char *p;
bool result = false;
- xasprintf(&fname, "%s/hosts/%s", confbase, n->name);
+ xasprintf(&fname, "%s" SLASH "hosts" SLASH "%s", confbase, n->name);
init_configuration(&config_tree);
if(!read_config_file(config_tree, fname))
free(fname);
if(!get_config_string(lookup_config(config_tree, "ECDSAPublicKeyFile"), &fname))
- xasprintf(&fname, "%s/hosts/%s", confbase, n->name);
+ xasprintf(&fname, "%s" SLASH "hosts" SLASH "%s", confbase, n->name);
fp = fopen(fname, "r");
if(!fp) {
- logger(LOG_ERR, "Error reading ECDSA public key file `%s': %s", fname, strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Error reading ECDSA public key file `%s': %s", fname, strerror(errno));
goto exit;
}
/* Else, check for ECDSAPublicKeyFile statement and read it */
if(!get_config_string(lookup_config(c->config_tree, "ECDSAPublicKeyFile"), &fname))
- xasprintf(&fname, "%s/hosts/%s", confbase, c->name);
+ xasprintf(&fname, "%s" SLASH "hosts" SLASH "%s", confbase, c->name);
fp = fopen(fname, "r");
if(!fp) {
- logger(LOG_ERR, "Error reading ECDSA public key file `%s': %s",
+ logger(DEBUG_ALWAYS, LOG_ERR, "Error reading ECDSA public key file `%s': %s",
fname, strerror(errno));
free(fname);
return false;
result = ecdsa_read_pem_public_key(&c->ecdsa, fp);
fclose(fp);
- if(!result)
- logger(LOG_ERR, "Reading ECDSA public key file `%s' failed: %s", fname, strerror(errno));
+ if(!result)
+ logger(DEBUG_ALWAYS, LOG_ERR, "Parsing ECDSA public key file `%s' failed.", fname);
free(fname);
return result;
}
/* Else, check for PublicKeyFile statement and read it */
if(!get_config_string(lookup_config(c->config_tree, "PublicKeyFile"), &fname))
- xasprintf(&fname, "%s/hosts/%s", confbase, c->name);
+ xasprintf(&fname, "%s" SLASH "hosts" SLASH "%s", confbase, c->name);
fp = fopen(fname, "r");
if(!fp) {
- logger(LOG_ERR, "Error reading RSA public key file `%s': %s",
- fname, strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Error reading RSA public key file `%s': %s", fname, strerror(errno));
free(fname);
return false;
}
fclose(fp);
if(!result)
- logger(LOG_ERR, "Reading RSA public key file `%s' failed: %s", fname, strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Reading RSA public key file `%s' failed: %s", fname, strerror(errno));
free(fname);
return result;
}
/* Check for PrivateKeyFile statement and read it */
if(!get_config_string(lookup_config(config_tree, "ECDSAPrivateKeyFile"), &fname))
- xasprintf(&fname, "%s/ecdsa_key.priv", confbase);
+ xasprintf(&fname, "%s" SLASH "ecdsa_key.priv", confbase);
fp = fopen(fname, "r");
if(!fp) {
- logger(LOG_ERR, "Error reading ECDSA private key file `%s': %s",
- fname, strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Error reading ECDSA private key file `%s': %s", fname, strerror(errno));
free(fname);
return false;
}
struct stat s;
if(fstat(fileno(fp), &s)) {
- logger(LOG_ERR, "Could not stat ECDSA private key file `%s': %s'", fname, strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Could not stat ECDSA private key file `%s': %s'", fname, strerror(errno));
free(fname);
return false;
}
if(s.st_mode & ~0100700)
- logger(LOG_WARNING, "Warning: insecure file permissions for ECDSA private key file `%s'!", fname);
+ logger(DEBUG_ALWAYS, LOG_WARNING, "Warning: insecure file permissions for ECDSA private key file `%s'!", fname);
#endif
result = ecdsa_read_pem_private_key(&myself->connection->ecdsa, fp);
fclose(fp);
if(!result)
- logger(LOG_ERR, "Reading ECDSA private key file `%s' failed: %s", fname, strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Reading ECDSA private key file `%s' failed: %s", fname, strerror(errno));
free(fname);
return result;
}
if(get_config_string(lookup_config(config_tree, "PrivateKey"), &d)) {
if(!get_config_string(lookup_config(config_tree, "PublicKey"), &n)) {
- logger(LOG_ERR, "PrivateKey used but no PublicKey found!");
+ logger(DEBUG_ALWAYS, LOG_ERR, "PrivateKey used but no PublicKey found!");
free(d);
return false;
}
/* Else, check for PrivateKeyFile statement and read it */
if(!get_config_string(lookup_config(config_tree, "PrivateKeyFile"), &fname))
- xasprintf(&fname, "%s/rsa_key.priv", confbase);
+ xasprintf(&fname, "%s" SLASH "rsa_key.priv", confbase);
fp = fopen(fname, "r");
if(!fp) {
- logger(LOG_ERR, "Error reading RSA private key file `%s': %s",
+ logger(DEBUG_ALWAYS, LOG_ERR, "Error reading RSA private key file `%s': %s",
fname, strerror(errno));
free(fname);
return false;
struct stat s;
if(fstat(fileno(fp), &s)) {
- logger(LOG_ERR, "Could not stat RSA private key file `%s': %s'", fname, strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Could not stat RSA private key file `%s': %s'", fname, strerror(errno));
free(fname);
return false;
}
if(s.st_mode & ~0100700)
- logger(LOG_WARNING, "Warning: insecure file permissions for RSA private key file `%s'!", fname);
+ logger(DEBUG_ALWAYS, LOG_WARNING, "Warning: insecure file permissions for RSA private key file `%s'!", fname);
#endif
result = rsa_read_pem_private_key(&myself->connection->rsa, fp);
fclose(fp);
if(!result)
- logger(LOG_ERR, "Reading RSA private key file `%s' failed: %s", fname, strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Reading RSA private key file `%s' failed: %s", fname, strerror(errno));
free(fname);
return result;
}
void regenerate_key(void) {
if(timeout_initialized(&keyexpire_event)) {
- ifdebug(STATUS) logger(LOG_INFO, "Expiring symmetric keys");
+ logger(DEBUG_STATUS, LOG_INFO, "Expiring symmetric keys");
event_del(&keyexpire_event);
send_key_changed();
} else {
config_t *cfg;
subnet_t *s, *s2;
node_t *n;
- bool result;
- xasprintf(&dname, "%s/hosts", confbase);
+ xasprintf(&dname, "%s" SLASH "hosts", confbase);
dir = opendir(dname);
if(!dir) {
- logger(LOG_ERR, "Could not open %s: %s", dname, strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Could not open %s: %s", dname, strerror(errno));
free(dname);
return;
}
// continue;
#endif
- xasprintf(&fname, "%s/hosts/%s", confbase, ent->d_name);
+ xasprintf(&fname, "%s" SLASH "hosts" SLASH "%s", confbase, ent->d_name);
init_configuration(&config_tree);
- result = read_config_file(config_tree, fname);
+ read_config_options(config_tree, ent->d_name);
+ read_config_file(config_tree, fname);
free(fname);
- if(!result)
- continue;
if(!n) {
n = new_node();
closedir(dir);
}
-/*
- 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, *mode, *afname, *cipher, *digest;
- char *fname = NULL;
- char *address = NULL;
- char *envp[5];
- struct addrinfo *ai, *aip, hint = {0};
- bool choice;
- int i, err;
- int replaywin_int;
-
- myself = new_node();
- myself->connection = new_connection();
+char *get_name(void) {
+ char *name = NULL;
- myself->hostname = xstrdup("MYSELF");
- myself->connection->hostname = xstrdup("MYSELF");
+ get_config_string(lookup_config(config_tree, "Name"), &name);
- myself->connection->options = 0;
- myself->connection->protocol_major = PROT_MAJOR;
- myself->connection->protocol_minor = PROT_MINOR;
+ if(!name)
+ return NULL;
- if(!get_config_string(lookup_config(config_tree, "Name"), &name)) { /* Not acceptable */
- logger(LOG_ERR, "Name for tinc daemon required!");
- return false;
+ if(*name == '$') {
+ char *envname = getenv(name + 1);
+ if(!envname) {
+ if(strcmp(name + 1, "HOST")) {
+ fprintf(stderr, "Invalid Name: environment variable %s does not exist\n", name + 1);
+ return false;
+ }
+ envname = alloca(32);
+ if(gethostname(envname, 32)) {
+ fprintf(stderr, "Could not get hostname: %s\n", strerror(errno));
+ return false;
+ }
+ envname[31] = 0;
+ }
+ free(name);
+ name = xstrdup(envname);
+ for(char *c = name; *c; c++)
+ if(!isalnum(*c))
+ *c = '_';
}
if(!check_id(name)) {
- logger(LOG_ERR, "Invalid name for myself!");
+ logger(DEBUG_ALWAYS, LOG_ERR, "Invalid name for myself!");
free(name);
return false;
}
- myself->name = name;
- myself->connection->name = xstrdup(name);
- xasprintf(&fname, "%s/hosts/%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 */
+ return name;
+}
- cfg = lookup_config(config_tree, "Subnet");
+bool setup_myself_reloadable(void) {
+ char *proxy = NULL;
+ char *mode = NULL;
+ char *afname = NULL;
+ char *space;
+ bool choice;
- while(cfg) {
- if(!get_config_subnet(cfg, &subnet))
+ get_config_string(lookup_config(config_tree, "Proxy"), &proxy);
+ if(proxy) {
+ if((space = strchr(proxy, ' ')))
+ *space++ = 0;
+
+ if(!strcasecmp(proxy, "none")) {
+ proxytype = PROXY_NONE;
+ } else if(!strcasecmp(proxy, "socks4")) {
+ proxytype = PROXY_SOCKS4;
+ } else if(!strcasecmp(proxy, "socks4a")) {
+ proxytype = PROXY_SOCKS4A;
+ } else if(!strcasecmp(proxy, "socks5")) {
+ proxytype = PROXY_SOCKS5;
+ } else if(!strcasecmp(proxy, "http")) {
+ proxytype = PROXY_HTTP;
+ } else if(!strcasecmp(proxy, "exec")) {
+ proxytype = PROXY_EXEC;
+ } else {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Unknown proxy type %s!", proxy);
return false;
+ }
- subnet_add(myself, subnet);
+ switch(proxytype) {
+ case PROXY_NONE:
+ default:
+ break;
+
+ case PROXY_EXEC:
+ if(!space || !*space) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Argument expected for proxy type exec!");
+ return false;
+ }
+ proxyhost = xstrdup(space);
+ break;
+
+ case PROXY_SOCKS4:
+ case PROXY_SOCKS4A:
+ case PROXY_SOCKS5:
+ case PROXY_HTTP:
+ proxyhost = space;
+ if(space && (space = strchr(space, ' ')))
+ *space++ = 0, proxyport = space;
+ if(space && (space = strchr(space, ' ')))
+ *space++ = 0, proxyuser = space;
+ if(space && (space = strchr(space, ' ')))
+ *space++ = 0, proxypass = space;
+ if(!proxyhost || !*proxyhost || !proxyport || !*proxyport) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Host and port argument expected for proxy!");
+ return false;
+ }
+ proxyhost = xstrdup(proxyhost);
+ proxyport = xstrdup(proxyport);
+ if(proxyuser && *proxyuser)
+ proxyuser = xstrdup(proxyuser);
+ if(proxypass && *proxypass)
+ proxypass = xstrdup(proxypass);
+ break;
+ }
- cfg = lookup_config_next(config_tree, cfg);
+ free(proxy);
}
- /* Check some options */
-
if(get_config_bool(lookup_config(config_tree, "IndirectData"), &choice) && choice)
myself->options |= OPTION_INDIRECT;
myself->options |= OPTION_INDIRECT;
get_config_bool(lookup_config(config_tree, "DirectOnly"), &directonly);
- get_config_bool(lookup_config(config_tree, "StrictSubnets"), &strictsubnets);
- get_config_bool(lookup_config(config_tree, "TunnelServer"), &tunnelserver);
- strictsubnets |= tunnelserver;
-
+ get_config_bool(lookup_config(config_tree, "LocalDiscovery"), &localdiscovery);
+
if(get_config_string(lookup_config(config_tree, "Mode"), &mode)) {
if(!strcasecmp(mode, "router"))
routing_mode = RMODE_ROUTER;
else if(!strcasecmp(mode, "hub"))
routing_mode = RMODE_HUB;
else {
- logger(LOG_ERR, "Invalid routing mode!");
+ logger(DEBUG_ALWAYS, LOG_ERR, "Invalid routing mode!");
return false;
}
free(mode);
else if(!strcasecmp(mode, "kernel"))
forwarding_mode = FMODE_KERNEL;
else {
- logger(LOG_ERR, "Invalid forwarding mode!");
+ logger(DEBUG_ALWAYS, LOG_ERR, "Invalid forwarding mode!");
return false;
}
free(mode);
myself->options |= OPTION_CLAMP_MSS;
get_config_bool(lookup_config(config_tree, "PriorityInheritance"), &priorityinheritance);
+ get_config_bool(lookup_config(config_tree, "DecrementTTL"), &decrement_ttl);
+ if(get_config_string(lookup_config(config_tree, "Broadcast"), &mode)) {
+ if(!strcasecmp(mode, "no"))
+ broadcast_mode = BMODE_NONE;
+ else if(!strcasecmp(mode, "yes") || !strcasecmp(mode, "mst"))
+ broadcast_mode = BMODE_MST;
+ else if(!strcasecmp(mode, "direct"))
+ broadcast_mode = BMODE_DIRECT;
+ else {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Invalid broadcast mode!");
+ return false;
+ }
+ free(mode);
+ }
#if !defined(SOL_IP) || !defined(IP_TOS)
if(priorityinheritance)
- logger(LOG_WARNING, "%s not supported on this platform", "PriorityInheritance");
+ logger(DEBUG_ALWAYS, LOG_WARNING, "%s not supported on this platform", "PriorityInheritance");
#endif
if(!get_config_int(lookup_config(config_tree, "MACExpire"), &macexpire))
if(get_config_int(lookup_config(config_tree, "MaxTimeout"), &maxtimeout)) {
if(maxtimeout <= 0) {
- logger(LOG_ERR, "Bogus maximum timeout!");
+ 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(LOG_ERR, "UDPRcvBuf cannot be negative!");
+ 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(LOG_ERR, "UDPSndBuf cannot be negative!");
+ 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(LOG_ERR, "ReplayWindow cannot be negative!");
+ logger(DEBUG_ALWAYS, LOG_ERR, "ReplayWindow cannot be negative!");
return false;
}
replaywin = (unsigned)replaywin_int;
}
- 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(LOG_ERR, "Invalid address family!");
- return false;
- }
- free(afname);
- }
-
- get_config_bool(lookup_config(config_tree, "Hostnames"), &hostnames);
-
/* 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(LOG_ERR, "Unrecognized cipher type!");
+ logger(DEBUG_ALWAYS, LOG_ERR, "Unrecognized cipher type!");
return false;
}
- if(!get_config_int(lookup_config(config_tree, "KeyExpire"), &keylifetime))
- keylifetime = 3600;
-
regenerate_key();
/* Check if we want to use message authentication codes... */
- if(!get_config_string(lookup_config(config_tree, "Digest"), &digest))
- digest = xstrdup("sha1");
-
int maclength = 4;
get_config_int(lookup_config(config_tree, "MACLength"), &maclength);
if(maclength < 0) {
- logger(LOG_ERR, "Bogus MAC length!");
+ 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(LOG_ERR, "Unrecognized digest type!");
+ logger(DEBUG_ALWAYS, LOG_ERR, "Unrecognized digest type!");
return false;
}
if(get_config_int(lookup_config(config_tree, "Compression"), &myself->incompression)) {
if(myself->incompression < 0 || myself->incompression > 11) {
- logger(LOG_ERR, "Bogus compression level!");
+ logger(DEBUG_ALWAYS, LOG_ERR, "Bogus compression level!");
return false;
}
} else
myself->nexthop = myself;
myself->via = myself;
myself->status.reachable = true;
+ myself->status.sptps = experimental;
node_add(myself);
graph();
/* Open device */
- if(!setup_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(LOG_ERR, "event_add failed: %s", strerror(errno));
- close_device();
+ logger(DEBUG_ALWAYS, LOG_ERR, "event_add failed: %s", strerror(errno));
+ devops.close();
return false;
}
}
/* Open sockets */
- get_config_string(lookup_config(config_tree, "BindToAddress"), &address);
+ if(!do_detach && getenv("LISTEN_FDS")) {
+ sockaddr_t sa;
+ socklen_t salen;
- hint.ai_family = addressfamily;
- hint.ai_socktype = SOCK_STREAM;
- hint.ai_protocol = IPPROTO_TCP;
- hint.ai_flags = AI_PASSIVE;
+ listen_sockets = atoi(getenv("LISTEN_FDS"));
+#ifdef HAVE_UNSETENV
+ unsetenv("LISTEN_FDS");
+#endif
- err = getaddrinfo(address, myport, &hint, &ai);
+ if(listen_sockets > MAXSOCKETS) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Too many listening sockets");
+ return false;
+ }
- if(err || !ai) {
- logger(LOG_ERR, "System call `%s' failed: %s", "getaddrinfo",
- gai_strerror(err));
- return false;
- }
+ for(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;
+ }
- listen_sockets = 0;
+ listen_socket[i].tcp = i + 3;
- for(aip = ai; aip; aip = aip->ai_next) {
- listen_socket[listen_sockets].tcp =
- setup_listen_socket((sockaddr_t *) aip->ai_addr);
+#ifdef FD_CLOEXEC
+ fcntl(i + 3, F_SETFD, FD_CLOEXEC);
+#endif
- if(listen_socket[listen_sockets].tcp < 0)
- continue;
+ listen_socket[i].udp = setup_vpn_in_socket(&sa);
+ if(listen_socket[i].udp < 0)
+ return false;
- listen_socket[listen_sockets].udp =
- setup_vpn_in_socket((sockaddr_t *) aip->ai_addr);
+ event_set(&listen_socket[i].ev_tcp, listen_socket[i].tcp, EV_READ|EV_PERSIST, handle_new_meta_connection, NULL);
+ if(event_add(&listen_socket[i].ev_tcp, NULL) < 0) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "event_add failed: %s", strerror(errno));
+ abort();
+ }
- if(listen_socket[listen_sockets].udp < 0) {
- close(listen_socket[listen_sockets].tcp);
- continue;
- }
+ event_set(&listen_socket[i].ev_udp, listen_socket[i].udp, EV_READ|EV_PERSIST, handle_incoming_vpn_data, (void *)(intptr_t)listen_sockets);
+ if(event_add(&listen_socket[listen_sockets].ev_udp, NULL) < 0) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "event_add failed: %s", strerror(errno));
+ abort();
+ }
- event_set(&listen_socket[listen_sockets].ev_tcp,
- listen_socket[listen_sockets].tcp,
- EV_READ|EV_PERSIST,
- handle_new_meta_connection, NULL);
- if(event_add(&listen_socket[listen_sockets].ev_tcp, NULL) < 0) {
- logger(LOG_ERR, "event_add failed: %s", strerror(errno));
- abort();
- }
+ if(debug_level >= DEBUG_CONNECTIONS) {
+ hostname = sockaddr2hostname(&sa);
+ logger(DEBUG_CONNECTIONS, LOG_NOTICE, "Listening on %s", hostname);
+ free(hostname);
+ }
- event_set(&listen_socket[listen_sockets].ev_udp,
- listen_socket[listen_sockets].udp,
- EV_READ|EV_PERSIST,
- handle_incoming_vpn_data, NULL);
- if(event_add(&listen_socket[listen_sockets].ev_udp, NULL) < 0) {
- logger(LOG_ERR, "event_add failed: %s", strerror(errno));
- abort();
+ memcpy(&listen_socket[i].sa, &sa, salen);
}
+ } else {
+ listen_sockets = 0;
+ cfg = lookup_config(config_tree, "BindToAddress");
- ifdebug(CONNECTIONS) {
- hostname = sockaddr2hostname((sockaddr_t *) aip->ai_addr);
- logger(LOG_NOTICE, "Listening on %s", hostname);
- free(hostname);
- }
+ do {
+ get_config_string(cfg, &address);
+ if(cfg)
+ cfg = lookup_config_next(config_tree, cfg);
- memcpy(&listen_socket[listen_sockets].sa, aip->ai_addr, aip->ai_addrlen);
- listen_sockets++;
+ char *port = myport;
- if(listen_sockets >= MAXSOCKETS) {
- logger(LOG_WARNING, "Maximum of %d listening sockets reached", MAXSOCKETS);
- break;
- }
- }
+ if(address) {
+ char *space = strchr(address, ' ');
+ if(space) {
+ *space++ = 0;
+ port = space;
+ }
+
+ if(!strcmp(address, "*"))
+ *address = 0;
+ }
- freeaddrinfo(ai);
+ hint.ai_family = addressfamily;
+ hint.ai_socktype = SOCK_STREAM;
+ hint.ai_protocol = IPPROTO_TCP;
+ hint.ai_flags = AI_PASSIVE;
+
+ 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",
+ gai_strerror(err));
+ return false;
+ }
+
+ for(aip = ai; aip; aip = aip->ai_next) {
+ if(listen_sockets >= MAXSOCKETS) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Too many listening sockets");
+ return false;
+ }
+
+ listen_socket[listen_sockets].tcp =
+ setup_listen_socket((sockaddr_t *) aip->ai_addr);
+
+ if(listen_socket[listen_sockets].tcp < 0)
+ continue;
+
+ listen_socket[listen_sockets].udp =
+ setup_vpn_in_socket((sockaddr_t *) aip->ai_addr);
+
+ if(listen_socket[listen_sockets].udp < 0) {
+ close(listen_socket[listen_sockets].tcp);
+ continue;
+ }
+
+ event_set(&listen_socket[listen_sockets].ev_tcp,
+ listen_socket[listen_sockets].tcp,
+ EV_READ|EV_PERSIST,
+ handle_new_meta_connection, NULL);
+ if(event_add(&listen_socket[listen_sockets].ev_tcp, NULL) < 0) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "event_add failed: %s", strerror(errno));
+ abort();
+ }
+
+ event_set(&listen_socket[listen_sockets].ev_udp,
+ listen_socket[listen_sockets].udp,
+ EV_READ|EV_PERSIST,
+ handle_incoming_vpn_data, (void *)(intptr_t)listen_sockets);
+ if(event_add(&listen_socket[listen_sockets].ev_udp, NULL) < 0) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "event_add failed: %s", strerror(errno));
+ abort();
+ }
+
+ 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(LOG_NOTICE, "Ready");
+ logger(DEBUG_ALWAYS, LOG_NOTICE, "Ready");
else {
- logger(LOG_ERR, "Unable to create any listening socket!");
+ logger(DEBUG_ALWAYS, LOG_ERR, "Unable to create any listening socket!");
return false;
}
for(i = 0; i < 4; i++)
free(envp[i]);
- close_device();
+ devops.close();
return;
}