/*
net_setup.c -- Setup.
Copyright (C) 1998-2005 Ivo Timmermans,
- 2000-2012 Guus Sliepen <guus@tinc-vpn.org>
+ 2000-2015 Guus Sliepen <guus@tinc-vpn.org>
2006 Scott Lamb <slamb@slamb.org>
2010 Brandon Black <blblack@gmail.com>
#include "system.h"
-#include <openssl/pem.h>
-#include <openssl/rsa.h>
-#include <openssl/rand.h>
-#include <openssl/err.h>
-#include <openssl/evp.h>
-
-#include "avl_tree.h"
+#include "cipher.h"
#include "conf.h"
#include "connection.h"
+#include "control.h"
#include "device.h"
-#include "event.h"
+#include "digest.h"
+#include "ecdsa.h"
#include "graph.h"
#include "logger.h"
+#include "names.h"
#include "net.h"
#include "netutl.h"
#include "process.h"
#include "protocol.h"
#include "route.h"
+#include "rsa.h"
+#include "script.h"
#include "subnet.h"
#include "utils.h"
#include "xalloc.h"
char *myport;
+static char *myname;
+static io_t device_io;
devops_t devops;
+bool device_standby = false;
-bool read_rsa_public_key(connection_t *c) {
+char *proxyhost;
+char *proxyport;
+char *proxyuser;
+char *proxypass;
+proxytype_t proxytype;
+bool autoconnect;
+bool disablebuggypeers;
+
+char *scriptinterpreter;
+char *scriptextension;
+
+bool node_read_ecdsa_public_key(node_t *n) {
+ if(ecdsa_active(n->ecdsa))
+ return true;
+
+ splay_tree_t *config_tree;
FILE *fp;
- char *fname;
- char *key;
+ char *pubname = NULL;
+ char *p;
- if(!c->rsa_key) {
- c->rsa_key = RSA_new();
-// RSA_blinding_on(c->rsa_key, NULL);
- }
+ init_configuration(&config_tree);
+ if(!read_host_config(config_tree, n->name))
+ goto exit;
- /* First, check for simple PublicKey statement */
+ /* First, check for simple Ed25519PublicKey statement */
- if(get_config_string(lookup_config(c->config_tree, "PublicKey"), &key)) {
- BN_hex2bn(&c->rsa_key->n, key);
- BN_hex2bn(&c->rsa_key->e, "FFFF");
- free(key);
- return true;
+ 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 PublicKeyFile statement and read it */
+ /* Else, check for Ed25519PublicKeyFile statement and read it */
- if(get_config_string(lookup_config(c->config_tree, "PublicKeyFile"), &fname)) {
- fp = fopen(fname, "r");
+ if(!get_config_string(lookup_config(config_tree, "Ed25519PublicKeyFile"), &pubname))
+ xasprintf(&pubname, "%s" SLASH "hosts" SLASH "%s", confbase, n->name);
- if(!fp) {
- logger(LOG_ERR, "Error reading RSA public key file `%s': %s",
- fname, strerror(errno));
- free(fname);
- return false;
- }
+ fp = fopen(pubname, "r");
- free(fname);
- c->rsa_key = PEM_read_RSAPublicKey(fp, &c->rsa_key, NULL, NULL);
- fclose(fp);
+ if(!fp)
+ goto exit;
+
+ n->ecdsa = ecdsa_read_pem_public_key(fp);
+ fclose(fp);
- if(c->rsa_key)
- return true; /* Woohoo. */
+exit:
+ exit_configuration(&config_tree);
+ free(pubname);
+ return n->ecdsa;
+}
- /* If it fails, try PEM_read_RSA_PUBKEY. */
- fp = fopen(fname, "r");
+bool read_ecdsa_public_key(connection_t *c) {
+ if(ecdsa_active(c->ecdsa))
+ return true;
+
+ FILE *fp;
+ char *fname;
+ char *p;
- if(!fp) {
- logger(LOG_ERR, "Error reading RSA public key file `%s': %s",
- fname, strerror(errno));
- free(fname);
+ if(!c->config_tree) {
+ init_configuration(&c->config_tree);
+ if(!read_host_config(c->config_tree, c->name))
return false;
- }
+ }
- free(fname);
- c->rsa_key = PEM_read_RSA_PUBKEY(fp, &c->rsa_key, NULL, NULL);
- fclose(fp);
+ /* First, check for simple Ed25519PublicKey statement */
- if(c->rsa_key) {
-// RSA_blinding_on(c->rsa_key, NULL);
- return true;
- }
+ if(get_config_string(lookup_config(c->config_tree, "Ed25519PublicKey"), &p)) {
+ c->ecdsa = ecdsa_set_base64_public_key(p);
+ free(p);
+ return c->ecdsa;
+ }
- logger(LOG_ERR, "Reading RSA public key file `%s' failed: %s",
+ /* Else, check for Ed25519PublicKeyFile statement and read it */
+
+ 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 Ed25519 public key file `%s': %s",
fname, strerror(errno));
+ free(fname);
return false;
}
- /* Else, check if a harnessed public key is in the config file */
+ c->ecdsa = ecdsa_read_pem_public_key(fp);
+
+ if(!c->ecdsa && errno != ENOENT)
+ logger(DEBUG_ALWAYS, LOG_ERR, "Parsing Ed25519 public key file `%s' failed.", fname);
+
+ fclose(fp);
+ free(fname);
+ return c->ecdsa;
+}
+
+#ifndef DISABLE_LEGACY
+bool read_rsa_public_key(connection_t *c) {
+ FILE *fp;
+ char *fname;
+ char *n;
+
+ /* First, check for simple PublicKey statement */
+
+ if(get_config_string(lookup_config(c->config_tree, "PublicKey"), &n)) {
+ c->rsa = rsa_set_hex_public_key(n, "FFFF");
+ free(n);
+ return c->rsa;
+ }
+
+ /* Else, check for PublicKeyFile statement and read it */
+
+ if(!get_config_string(lookup_config(c->config_tree, "PublicKeyFile"), &fname))
+ xasprintf(&fname, "%s" SLASH "hosts" SLASH "%s", confbase, c->name);
- xasprintf(&fname, "%s/hosts/%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;
}
- c->rsa_key = PEM_read_RSAPublicKey(fp, &c->rsa_key, NULL, NULL);
+ c->rsa = rsa_read_pem_public_key(fp);
fclose(fp);
+
+ if(!c->rsa)
+ logger(DEBUG_ALWAYS, LOG_ERR, "Reading RSA public key file `%s' failed: %s", fname, strerror(errno));
free(fname);
+ return c->rsa;
+}
+#endif
- if(c->rsa_key)
- return true;
+static bool read_ecdsa_private_key(void) {
+ FILE *fp;
+ char *fname;
+
+ /* Check for PrivateKeyFile statement and read it */
- /* Try again with PEM_read_RSA_PUBKEY. */
+ if(!get_config_string(lookup_config(config_tree, "Ed25519PrivateKeyFile"), &fname))
+ xasprintf(&fname, "%s" SLASH "ed25519_key.priv", confbase);
- xasprintf(&fname, "%s/hosts/%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 Ed25519 private key file `%s': %s", fname, strerror(errno));
+ if(errno == ENOENT)
+ logger(DEBUG_ALWAYS, LOG_INFO, "Create an Ed25519 keypair with `tinc -n %s generate-ed25519-keys'.", netname ?: ".");
+ free(fname);
+ return false;
+ }
+
+#if !defined(HAVE_MINGW) && !defined(HAVE_CYGWIN)
+ struct stat s;
+
+ if(fstat(fileno(fp), &s)) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Could not stat Ed25519 private key file `%s': %s'", fname, strerror(errno));
free(fname);
return false;
}
- c->rsa_key = PEM_read_RSA_PUBKEY(fp, &c->rsa_key, NULL, NULL);
-// RSA_blinding_on(c->rsa_key, NULL);
+ if(s.st_mode & ~0100700)
+ 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 Ed25519 private key file `%s' failed", fname);
free(fname);
+ return myself->connection->ecdsa;
+}
- if(c->rsa_key)
- return true;
+static bool read_invitation_key(void) {
+ FILE *fp;
+ char fname[PATH_MAX];
- logger(LOG_ERR, "No public key for %s specified!", c->name);
+ if(invitation_key) {
+ ecdsa_free(invitation_key);
+ invitation_key = NULL;
+ }
+
+ snprintf(fname, sizeof fname, "%s" SLASH "invitations" SLASH "ed25519_key.priv", confbase);
+
+ fp = fopen(fname, "r");
- return false;
+ if(fp) {
+ invitation_key = ecdsa_read_pem_private_key(fp);
+ fclose(fp);
+ if(!invitation_key)
+ logger(DEBUG_ALWAYS, LOG_ERR, "Reading Ed25519 private key file `%s' failed", fname);
+ }
+
+ return invitation_key;
}
+#ifndef DISABLE_LEGACY
static bool read_rsa_private_key(void) {
FILE *fp;
- char *fname, *key, *pubkey;
- struct stat s;
+ char *fname;
+ char *n, *d;
+
+ /* First, check for simple PrivateKey statement */
- if(get_config_string(lookup_config(config_tree, "PrivateKey"), &key)) {
- if(!get_config_string(lookup_config(config_tree, "PublicKey"), &pubkey)) {
- logger(LOG_ERR, "PrivateKey used but no PublicKey found!");
+ if(get_config_string(lookup_config(config_tree, "PrivateKey"), &d)) {
+ if(!get_config_string(lookup_config(config_tree, "PublicKey"), &n)) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "PrivateKey used but no PublicKey found!");
+ free(d);
return false;
}
- myself->connection->rsa_key = RSA_new();
-// RSA_blinding_on(myself->connection->rsa_key, NULL);
- BN_hex2bn(&myself->connection->rsa_key->d, key);
- BN_hex2bn(&myself->connection->rsa_key->n, pubkey);
- BN_hex2bn(&myself->connection->rsa_key->e, "FFFF");
- free(key);
- free(pubkey);
- return true;
+ myself->connection->rsa = rsa_set_hex_private_key(n, "FFFF", d);
+ free(n);
+ free(d);
+ return myself->connection->rsa;
}
+ /* 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));
+ if(errno == ENOENT)
+ logger(DEBUG_ALWAYS, LOG_INFO, "Create an RSA keypair with `tinc -n %s generate-rsa-keys'.", netname ?: ".");
free(fname);
return false;
}
#if !defined(HAVE_MINGW) && !defined(HAVE_CYGWIN)
+ 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
- myself->connection->rsa_key = PEM_read_RSAPrivateKey(fp, NULL, NULL, NULL);
+ myself->connection->rsa = rsa_read_pem_private_key(fp);
fclose(fp);
- if(!myself->connection->rsa_key) {
- logger(LOG_ERR, "Reading RSA private key file `%s' failed: %s",
- fname, strerror(errno));
- free(fname);
- return false;
- }
-
+ if(!myself->connection->rsa)
+ logger(DEBUG_ALWAYS, LOG_ERR, "Reading RSA private key file `%s' failed: %s", fname, strerror(errno));
free(fname);
- return true;
+ return myself->connection->rsa;
+}
+#endif
+
+static timeout_t keyexpire_timeout;
+
+static void keyexpire_handler(void *data) {
+ regenerate_key();
+ timeout_set(data, &(struct timeval){keylifetime, rand() % 100000});
+}
+
+void regenerate_key(void) {
+ logger(DEBUG_STATUS, LOG_INFO, "Expiring symmetric keys");
+ send_key_changed();
+ for splay_each(node_t, n, node_tree)
+ n->status.validkey_in = false;
}
/*
void load_all_subnets(void) {
DIR *dir;
struct dirent *ent;
- char *dname;
- char *fname;
- avl_tree_t *config_tree;
- config_t *cfg;
- subnet_t *s, *s2;
- node_t *n;
+ char dname[PATH_MAX];
- xasprintf(&dname, "%s/hosts", confbase);
+ snprintf(dname, sizeof dname, "%s" SLASH "hosts", confbase);
dir = opendir(dname);
if(!dir) {
- logger(LOG_ERR, "Could not open %s: %s", dname, strerror(errno));
- free(dname);
+ logger(DEBUG_ALWAYS, LOG_ERR, "Could not open %s: %s", dname, strerror(errno));
return;
}
if(!check_id(ent->d_name))
continue;
- n = lookup_node(ent->d_name);
+ node_t *n = lookup_node(ent->d_name);
#ifdef _DIRENT_HAVE_D_TYPE
//if(ent->d_type != DT_REG)
// continue;
#endif
- xasprintf(&fname, "%s/hosts/%s", confbase, ent->d_name);
+ splay_tree_t *config_tree;
init_configuration(&config_tree);
read_config_options(config_tree, ent->d_name);
- read_config_file(config_tree, fname);
- free(fname);
+ read_host_config(config_tree, ent->d_name);
if(!n) {
n = new_node();
node_add(n);
}
- for(cfg = lookup_config(config_tree, "Subnet"); cfg; cfg = lookup_config_next(config_tree, cfg)) {
+ for(config_t *cfg = lookup_config(config_tree, "Subnet"); cfg; cfg = lookup_config_next(config_tree, cfg)) {
+ subnet_t *s, *s2;
+
if(!get_config_subnet(cfg, &s))
continue;
if((s2 = lookup_subnet(n, s))) {
s2->expires = -1;
+ free(s);
} else {
subnet_add(n, s);
}
closedir(dir);
}
-char *get_name(void) {
- char *name = NULL;
+void load_all_nodes(void) {
+ DIR *dir;
+ struct dirent *ent;
+ char dname[PATH_MAX];
- get_config_string(lookup_config(config_tree, "Name"), &name);
+ snprintf(dname, sizeof dname, "%s" SLASH "hosts", confbase);
+ dir = opendir(dname);
+ if(!dir) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Could not open %s: %s", dname, strerror(errno));
+ return;
+ }
- if(!name)
- return NULL;
+ while((ent = readdir(dir))) {
+ if(!check_id(ent->d_name))
+ continue;
- 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 = '_';
- }
+ node_t *n = lookup_node(ent->d_name);
+ if(n)
+ continue;
- if(!check_id(name)) {
- logger(LOG_ERR, "Invalid name for myself!");
- free(name);
- return false;
+ n = new_node();
+ n->name = xstrdup(ent->d_name);
+ node_add(n);
}
- return name;
+ 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, *type;
- 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();
- myself->hostname = xstrdup("MYSELF");
- myself->connection->hostname = xstrdup("MYSELF");
-
- myself->connection->options = 0;
- myself->connection->protocol_version = PROT_CURRENT;
+char *get_name(void) {
+ char *name = NULL;
+ char *returned_name;
- if(!(name = get_name())) {
- logger(LOG_ERR, "Name for tinc daemon required!");
- return false;
- }
+ get_config_string(lookup_config(config_tree, "Name"), &name);
- 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);
+ if(!name)
+ return NULL;
- if(!read_rsa_private_key())
- return false;
+ returned_name = replace_name(name);
+ free(name);
+ return returned_name;
+}
- if(!get_config_string(lookup_config(config_tree, "Port"), &myport))
- myport = xstrdup("655");
+bool setup_myself_reloadable(void) {
+ char *proxy = NULL;
+ char *rmode = NULL;
+ char *fmode = NULL;
+ char *bmode = NULL;
+ char *afname = NULL;
+ char *space;
+ bool choice;
- if(!atoi(myport)) {
- struct addrinfo *ai = str2addrinfo("localhost", myport, SOCK_DGRAM);
- sockaddr_t sa;
- if(!ai || !ai->ai_addr)
+ free(scriptinterpreter);
+ scriptinterpreter = NULL;
+ get_config_string(lookup_config(config_tree, "ScriptsInterpreter"), &scriptinterpreter);
+
+
+ free(scriptextension);
+ if(!get_config_string(lookup_config(config_tree, "ScriptsExtension"), &scriptextension))
+ scriptextension = xstrdup("");
+
+ 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;
- 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;
+ switch(proxytype) {
+ case PROXY_NONE:
+ default:
+ break;
- subnet_add(myself, subnet);
+ 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;
if(myself->options & OPTION_TCPONLY)
myself->options |= OPTION_INDIRECT;
+ get_config_bool(lookup_config(config_tree, "UDPDiscovery"), &udp_discovery);
+ get_config_int(lookup_config(config_tree, "UDPDiscoveryKeepaliveInterval"), &udp_discovery_keepalive_interval);
+ get_config_int(lookup_config(config_tree, "UDPDiscoveryInterval"), &udp_discovery_interval);
+ get_config_int(lookup_config(config_tree, "UDPDiscoveryTimeout"), &udp_discovery_timeout);
+
+ get_config_int(lookup_config(config_tree, "MTUInfoInterval"), &mtu_info_interval);
+ get_config_int(lookup_config(config_tree, "UDPInfoInterval"), &udp_info_interval);
+
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);
get_config_bool(lookup_config(config_tree, "LocalDiscovery"), &localdiscovery);
- strictsubnets |= tunnelserver;
- if(get_config_string(lookup_config(config_tree, "Mode"), &mode)) {
- if(!strcasecmp(mode, "router"))
+ if(get_config_string(lookup_config(config_tree, "Mode"), &rmode)) {
+ if(!strcasecmp(rmode, "router"))
routing_mode = RMODE_ROUTER;
- else if(!strcasecmp(mode, "switch"))
+ else if(!strcasecmp(rmode, "switch"))
routing_mode = RMODE_SWITCH;
- else if(!strcasecmp(mode, "hub"))
+ else if(!strcasecmp(rmode, "hub"))
routing_mode = RMODE_HUB;
else {
- logger(LOG_ERR, "Invalid routing mode!");
+ logger(DEBUG_ALWAYS, LOG_ERR, "Invalid routing mode!");
return false;
}
- free(mode);
+ free(rmode);
}
- if(get_config_string(lookup_config(config_tree, "Forwarding"), &mode)) {
- if(!strcasecmp(mode, "off"))
+ if(get_config_string(lookup_config(config_tree, "Forwarding"), &fmode)) {
+ if(!strcasecmp(fmode, "off"))
forwarding_mode = FMODE_OFF;
- else if(!strcasecmp(mode, "internal"))
+ else if(!strcasecmp(fmode, "internal"))
forwarding_mode = FMODE_INTERNAL;
- else if(!strcasecmp(mode, "kernel"))
+ else if(!strcasecmp(fmode, "kernel"))
forwarding_mode = FMODE_KERNEL;
else {
- logger(LOG_ERR, "Invalid forwarding mode!");
+ logger(DEBUG_ALWAYS, LOG_ERR, "Invalid forwarding mode!");
return false;
}
- free(mode);
+ free(fmode);
}
choice = true;
get_config_bool(lookup_config(config_tree, "PriorityInheritance"), &priorityinheritance);
get_config_bool(lookup_config(config_tree, "DecrementTTL"), &decrement_ttl);
- get_config_bool(lookup_config(config_tree, "Broadcast"), &broadcast);
+ if(get_config_string(lookup_config(config_tree, "Broadcast"), &bmode)) {
+ if(!strcasecmp(bmode, "no"))
+ broadcast_mode = BMODE_NONE;
+ else if(!strcasecmp(bmode, "yes") || !strcasecmp(bmode, "mst"))
+ broadcast_mode = BMODE_MST;
+ else if(!strcasecmp(bmode, "direct"))
+ broadcast_mode = BMODE_DIRECT;
+ else {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Invalid broadcast mode!");
+ return false;
+ }
+ free(bmode);
+ }
+
+ const char* const DEFAULT_BROADCAST_SUBNETS[] = { "ff:ff:ff:ff:ff:ff", "255.255.255.255", "224.0.0.0/4", "ff00::/8" };
+ for (size_t i = 0; i < sizeof(DEFAULT_BROADCAST_SUBNETS) / sizeof(*DEFAULT_BROADCAST_SUBNETS); i++) {
+ subnet_t *s = new_subnet();
+ if (!str2net(s, DEFAULT_BROADCAST_SUBNETS[i]))
+ abort();
+ subnet_add(NULL, s);
+ }
+ for (config_t* cfg = lookup_config(config_tree, "BroadcastSubnet"); cfg; cfg = lookup_config_next(config_tree, cfg)) {
+ subnet_t *s;
+ if (!get_config_subnet(cfg, &s))
+ continue;
+ subnet_add(NULL, s);
+ }
#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_int(lookup_config(config_tree, "UDPRcvBuf"), &udp_rcvbuf)) {
- if(udp_rcvbuf <= 0) {
- logger(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!");
- return false;
- }
- }
-
- if(get_config_int(lookup_config(config_tree, "ReplayWindow"), &replaywin_int)) {
- if(replaywin_int < 0) {
- logger(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, "any"))
addressfamily = AF_UNSPEC;
else {
- logger(LOG_ERR, "Invalid address family!");
+ logger(DEBUG_ALWAYS, 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_int(lookup_config(config_tree, "KeyExpire"), &keylifetime))
+ keylifetime = 3600;
- if(get_config_string
- (lookup_config(config_tree, "Cipher"), &cipher)) {
- if(!strcasecmp(cipher, "none")) {
- myself->incipher = NULL;
- } else {
- myself->incipher = EVP_get_cipherbyname(cipher);
+ 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;
+ }
+ }
- if(!myself->incipher) {
- logger(LOG_ERR, "Unrecognized cipher type!");
- return false;
+ get_config_bool(lookup_config(config_tree, "DisableBuggyPeers"), &disablebuggypeers);
+
+ read_invitation_key();
+
+ 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;
+
+#if HAVE_DECL_RES_INIT
+ res_init();
+#endif
+ 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;
}
- } else
- myself->incipher = EVP_bf_cbc();
- if(myself->incipher)
- myself->inkeylength = myself->incipher->key_len + myself->incipher->iv_len;
+ 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;
+}
+
+void device_enable(void) {
+ if (devops.enable)
+ devops.enable();
+
+ /* Run tinc-up script to further initialize the tap interface */
+
+ char *envp[5] = {NULL};
+ xasprintf(&envp[0], "NETNAME=%s", netname ? : "");
+ xasprintf(&envp[1], "DEVICE=%s", device ? : "");
+ xasprintf(&envp[2], "INTERFACE=%s", iface ? : "");
+ xasprintf(&envp[3], "NAME=%s", myname);
+
+ execute_script("tinc-up", envp);
+
+ for(int i = 0; i < 4; i++)
+ free(envp[i]);
+}
+
+void device_disable(void) {
+ char *envp[5] = {NULL};
+ xasprintf(&envp[0], "NETNAME=%s", netname ? : "");
+ xasprintf(&envp[1], "DEVICE=%s", device ? : "");
+ xasprintf(&envp[2], "INTERFACE=%s", iface ? : "");
+ xasprintf(&envp[3], "NAME=%s", myname);
+
+ execute_script("tinc-down", envp);
+
+ for(int i = 0; i < 4; i++)
+ free(envp[i]);
+
+ if (devops.disable)
+ devops.disable();
+}
+
+/*
+ Configure node_t myself and set up the local sockets (listen only)
+*/
+static bool setup_myself(void) {
+ char *name, *hostname, *cipher, *digest, *type;
+ char *address = NULL;
+ bool port_specified = false;
+
+ if(!(name = get_name())) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Name for tinc daemon required!");
+ return false;
+ }
+
+ myname = xstrdup(name);
+ myself = new_node();
+ myself->connection = new_connection();
+ myself->name = name;
+ myself->connection->name = xstrdup(name);
+ read_host_config(config_tree, name);
+
+ if(!get_config_string(lookup_config(config_tree, "Port"), &myport))
+ myport = xstrdup("655");
else
- myself->inkeylength = 1;
+ port_specified = true;
- myself->connection->outcipher = EVP_bf_ofb();
+ myself->connection->options = 0;
+ myself->connection->protocol_major = PROT_MAJOR;
+ myself->connection->protocol_minor = PROT_MINOR;
- if(!get_config_int(lookup_config(config_tree, "KeyExpire"), &keylifetime))
- keylifetime = 3600;
+ myself->options |= PROT_MINOR << 24;
- keyexpires = now + keylifetime;
-
- /* Check if we want to use message authentication codes... */
+#ifdef DISABLE_LEGACY
+ experimental = read_ecdsa_private_key();
+ if(!experimental) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "No private key available, cannot start tinc!");
+ return false;
+ }
+#else
+ if(!get_config_bool(lookup_config(config_tree, "ExperimentalProtocol"), &experimental)) {
+ experimental = read_ecdsa_private_key();
+ if(!experimental)
+ logger(DEBUG_ALWAYS, LOG_WARNING, "Support for SPTPS disabled.");
+ } else {
+ if(experimental && !read_ecdsa_private_key())
+ return false;
+ }
- if(get_config_string(lookup_config(config_tree, "Digest"), &digest)) {
- if(!strcasecmp(digest, "none")) {
- myself->indigest = NULL;
+ if(!read_rsa_private_key()) {
+ if(experimental) {
+ logger(DEBUG_ALWAYS, LOG_WARNING, "Support for legacy protocol disabled.");
} else {
- myself->indigest = EVP_get_digestbyname(digest);
+ logger(DEBUG_ALWAYS, LOG_ERR, "No private keys available, cannot start tinc!");
+ return false;
+ }
+ }
+#endif
- if(!myself->indigest) {
- logger(LOG_ERR, "Unrecognized digest type!");
- return false;
- }
+ /* Ensure myport is numeric */
+
+ 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 */
+
+ for(config_t *cfg = lookup_config(config_tree, "Subnet"); cfg; cfg = lookup_config_next(config_tree, cfg)) {
+ subnet_t *subnet;
+
+ if(!get_config_subnet(cfg, &subnet))
+ return false;
+
+ subnet_add(myself, subnet);
+ }
+
+ /* 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, "MaxConnectionBurst"), &max_connection_burst)) {
+ if(max_connection_burst <= 0) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "MaxConnectionBurst cannot be negative!");
+ return false;
}
- } else
- myself->indigest = EVP_sha1();
+ }
- myself->connection->outdigest = EVP_sha1();
+ 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, "MACLength"), &myself->inmaclength)) {
- if(myself->indigest) {
- if(myself->inmaclength > myself->indigest->md_size) {
- logger(LOG_ERR, "MAC length exceeds size of digest!");
- return false;
- } else if(myself->inmaclength < 0) {
- logger(LOG_ERR, "Bogus MAC length!");
- 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;
}
- } else
- myself->inmaclength = 4;
+ }
+
+ int replaywin_int;
+ 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;
+ sptps_replaywin = replaywin;
+ }
- myself->connection->outmaclength = 0;
+#ifndef DISABLE_LEGACY
+ /* Generate packet encryption key */
+
+ if(!get_config_string(lookup_config(config_tree, "Cipher"), &cipher))
+ cipher = xstrdup("blowfish");
+
+ if(!strcasecmp(cipher, "none")) {
+ myself->incipher = NULL;
+ } else if(!(myself->incipher = cipher_open_by_name(cipher))) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Unrecognized cipher type!");
+ return false;
+ }
+
+ free(cipher);
+
+ timeout_add(&keyexpire_timeout, keyexpire_handler, &keyexpire_timeout, &(struct timeval){keylifetime, rand() % 100000});
+
+ /* 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(!strcasecmp(digest, "none")) {
+ myself->indigest = NULL;
+ } else if(!(myself->indigest = digest_open_by_name(digest, maclength))) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Unrecognized digest type!");
+ return false;
+ }
+
+ free(digest);
+#endif
/* Compression */
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->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 */
else if(!strcasecmp(type, "vde"))
devops = vde_devops;
#endif
+ free(type);
}
+ get_config_bool(lookup_config(config_tree, "DeviceStandby"), &device_standby);
+
if(!devops.setup())
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 < 5; i++)
- free(envp[i]);
-
- /* Run subnet-up scripts for our own subnets */
-
- subnet_update(myself, NULL, true);
+ if(device_fd >= 0)
+ io_add(&device_io, handle_device_data, NULL, device_fd, IO_READ);
/* Open sockets */
#endif
if(listen_sockets > MAXSOCKETS) {
- logger(LOG_ERR, "Too many listening sockets");
+ logger(DEBUG_ALWAYS, LOG_ERR, "Too many listening sockets");
return false;
}
- for(i = 0; i < listen_sockets; i++) {
+ for(int i = 0; i < listen_sockets; i++) {
salen = sizeof sa;
if(getsockname(i + 3, &sa.sa, &salen) < 0) {
- logger(LOG_ERR, "Could not get address of listen fd %d: %s", i + 3, sockstrerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Could not get address of listen fd %d: %s", i + 3, sockstrerror(sockerrno));
return false;
}
- listen_socket[i].tcp = i + 3;
-
#ifdef FD_CLOEXEC
- fcntl(i + 3, F_SETFD, FD_CLOEXEC);
+ fcntl(i + 3, F_SETFD, FD_CLOEXEC);
#endif
- listen_socket[i].udp = setup_vpn_in_socket(&sa);
- if(listen_socket[i].udp < 0)
+ int udp_fd = setup_vpn_in_socket(&sa);
+ if(udp_fd < 0)
return false;
- ifdebug(CONNECTIONS) {
+ 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(LOG_NOTICE, "Listening on %s", hostname);
+ logger(DEBUG_CONNECTIONS, LOG_NOTICE, "Listening on %s", hostname);
free(hostname);
}
}
} else {
listen_sockets = 0;
- 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;
- }
-
- 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(LOG_ERR, "System call `%s' failed: %s", "getaddrinfo",
- gai_strerror(err));
+ if(!add_listen_address(address, true))
return false;
- }
-
- for(aip = ai; aip; aip = aip->ai_next) {
- if(listen_sockets >= MAXSOCKETS) {
- logger(LOG_ERR, "Too many listening sockets");
- return false;
- }
+ }
- listen_socket[listen_sockets].tcp =
- setup_listen_socket((sockaddr_t *) aip->ai_addr);
+ 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;
+ }
- if(listen_socket[listen_sockets].tcp < 0)
- continue;
+ if(!cfgs)
+ if(!add_listen_address(address, NULL))
+ return false;
+ }
- listen_socket[listen_sockets].udp =
- setup_vpn_in_socket((sockaddr_t *) aip->ai_addr);
+ if(!listen_sockets) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Unable to create any listening socket!");
+ return false;
+ }
- if(listen_socket[listen_sockets].udp < 0)
- continue;
+ /* If no Port option was specified, set myport to the port used by the first listening socket. */
- ifdebug(CONNECTIONS) {
- hostname = sockaddr2hostname((sockaddr_t *) aip->ai_addr);
- logger(LOG_NOTICE, "Listening on %s", hostname);
- free(hostname);
- }
+ if(!port_specified || atoi(myport) == 0) {
+ sockaddr_t sa;
+ socklen_t salen = sizeof sa;
+ if(!getsockname(listen_socket[0].udp.fd, &sa.sa, &salen)) {
+ free(myport);
+ sockaddr2str(&sa, NULL, &myport);
+ if(!myport)
+ myport = xstrdup("655");
+ }
+ }
- memcpy(&listen_socket[listen_sockets].sa, aip->ai_addr, aip->ai_addrlen);
- listen_sockets++;
- }
+ xasprintf(&myself->hostname, "MYSELF port %s", myport);
+ myself->connection->hostname = xstrdup(myself->hostname);
- freeaddrinfo(ai);
- } while(cfg);
- }
+ /* Done. */
- if(listen_sockets)
- logger(LOG_NOTICE, "Ready");
- else {
- logger(LOG_ERR, "Unable to create any listening socket!");
- return false;
- }
+ last_config_check = now.tv_sec;
return true;
}
initialize network
*/
bool setup_network(void) {
- now = time(NULL);
-
- init_events();
init_connections();
init_subnets();
init_nodes();
if(!setup_myself())
return false;
+ if(!init_control())
+ return false;
+
+ if (!device_standby)
+ device_enable();
+
+ /* Run subnet-up scripts for our own subnets */
+
+ subnet_update(myself, NULL, true);
+
return true;
}
close all open network connections
*/
void close_network_connections(void) {
- avl_node_t *node, *next;
- connection_t *c;
- char *envp[5];
- int i;
-
- for(node = connection_tree->head; node; node = next) {
+ for(list_node_t *node = connection_list->head, *next; node; node = next) {
next = node->next;
- c = node->data;
+ connection_t *c = node->data;
+ /* Keep control connections open until the end, so they know when we really terminated */
+ if(c->status.control)
+ c->socket = -1;
c->outgoing = NULL;
terminate_connection(c, false);
}
- for(list_node_t *node = outgoing_list->head; node; node = node->next) {
- outgoing_t *outgoing = node->data;
-
- if(outgoing->event)
- event_del(outgoing->event);
- }
-
- list_delete_list(outgoing_list);
+ if(outgoing_list)
+ list_delete_list(outgoing_list);
if(myself && myself->connection) {
subnet_update(myself, NULL, false);
free_connection(myself->connection);
}
- for(i = 0; i < listen_sockets; i++) {
- close(listen_socket[i].tcp);
- close(listen_socket[i].udp);
+ for(int i = 0; i < listen_sockets; i++) {
+ io_del(&listen_socket[i].tcp);
+ io_del(&listen_socket[i].udp);
+ close(listen_socket[i].tcp.fd);
+ close(listen_socket[i].udp.fd);
}
- 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;
-
exit_requests();
exit_edges();
exit_subnets();
exit_nodes();
exit_connections();
- exit_events();
- execute_script("tinc-down", envp);
+ if (!device_standby)
+ device_disable();
- if(myport) free(myport);
+ free(myport);
- for(i = 0; i < 4; i++)
- free(envp[i]);
+ if (device_fd >= 0)
+ io_del(&device_io);
+ if (devops.close)
+ devops.close();
+
+ exit_control();
- devops.close();
+ free(myname);
+ free(scriptextension);
+ free(scriptinterpreter);
return;
}
projects / tinc / blobdiff