#include "system.h"
-#include "splay_tree.h"
#include "cipher.h"
#include "conf.h"
#include "connection.h"
static struct event device_ev;
devops_t devops;
+char *proxyhost;
+char *proxyport;
+char *proxyuser;
+char *proxypass;
+proxytype_t proxytype;
+
+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 *pubname = NULL, *hcfname = NULL;
char *p;
bool result = false;
- xasprintf(&fname, "%s/hosts/%s", confbase, n->name);
+ xasprintf(&hcfname, "%s" SLASH "hosts" SLASH "%s", confbase, n->name);
init_configuration(&config_tree);
- if(!read_config_file(config_tree, fname))
+ if(!read_config_file(config_tree, hcfname))
goto exit;
/* First, check for simple ECDSAPublicKey statement */
/* Else, check for ECDSAPublicKeyFile statement and read it */
- free(fname);
+ if(!get_config_string(lookup_config(config_tree, "ECDSAPublicKeyFile"), &pubname))
+ xasprintf(&pubname, "%s" SLASH "hosts" SLASH "%s", confbase, n->name);
- if(!get_config_string(lookup_config(config_tree, "ECDSAPublicKeyFile"), &fname))
- xasprintf(&fname, "%s/hosts/%s", confbase, n->name);
-
- fp = fopen(fname, "r");
+ fp = fopen(pubname, "r");
if(!fp) {
- logger(DEBUG_ALWAYS, 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", pubname, strerror(errno));
goto exit;
}
exit:
exit_configuration(&config_tree);
- free(fname);
+ free(hcfname);
+ free(pubname);
return result;
}
/* 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");
/* 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");
/* 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");
result = rsa_set_hex_private_key(&myself->connection->rsa, n, "FFFF", d);
free(n);
free(d);
- return true;
+ return result;
}
/* 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");
subnet_t *s, *s2;
node_t *n;
- xasprintf(&dname, "%s/hosts", confbase);
+ xasprintf(&dname, "%s" SLASH "hosts", confbase);
dir = opendir(dname);
if(!dir) {
logger(DEBUG_ALWAYS, LOG_ERR, "Could not open %s: %s", dname, strerror(errno));
// 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);
read_config_options(config_tree, ent->d_name);
read_config_file(config_tree, fname);
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();
+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(DEBUG_ALWAYS, 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)) {
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;
+ return name;
+}
- if(!read_rsa_private_key())
- return false;
+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(!get_config_string(lookup_config(config_tree, "Port"), &myport))
- myport = xstrdup("655");
+ 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))
+#ifdef HAVE_MINGW
+ scriptextension = xstrdup(".bat");
+#else
+ scriptextension = xstrdup("");
+#endif
- if(!atoi(myport)) {
- struct addrinfo *ai = str2addrinfo("localhost", myport, SOCK_DGRAM);
- sockaddr_t sa;
- if(!ai || !ai->ai_addr)
+ 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;
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);
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(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(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);
+ }
#if !defined(SOL_IP) || !defined(IP_TOS)
if(priorityinheritance)
} 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;
+
+ if(!(name = get_name())) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Name for tinc daemon required!");
+ return false;
+ }
+
+ myself = new_node();
+ myself->connection = new_connection();
+ 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);
+
+ if(!get_config_string(lookup_config(config_tree, "Port"), &myport))
+ myport = xstrdup("655");
+
+ xasprintf(&myself->hostname, "MYSELF port %s", myport);
+ myself->connection->hostname = xstrdup(myself->hostname);
+
+ myself->connection->options = 0;
+ myself->connection->protocol_major = PROT_MAJOR;
+ myself->connection->protocol_minor = PROT_MINOR;
+
+ myself->options |= PROT_MINOR << 24;
+
+ 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(!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!");
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(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_string(lookup_config(config_tree, "Cipher"), &cipher))
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... */
myself->nexthop = myself;
myself->via = myself;
myself->status.reachable = true;
+ myself->last_state_change = time(NULL);
+ myself->status.sptps = experimental;
node_add(myself);
graph();
return false;
}
+ last_config_check = time(NULL);
+
return true;
}
close all open network connections
*/
void close_network_connections(void) {
- splay_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);
}
free_connection(myself->connection);
}
- for(i = 0; i < listen_sockets; i++) {
+ for(int i = 0; i < listen_sockets; i++) {
event_del(&listen_socket[i].ev_tcp);
event_del(&listen_socket[i].ev_udp);
close(listen_socket[i].tcp);
close(listen_socket[i].udp);
}
+ char *envp[5];
xasprintf(&envp[0], "NETNAME=%s", netname ? : "");
xasprintf(&envp[1], "DEVICE=%s", device ? : "");
xasprintf(&envp[2], "INTERFACE=%s", iface ? : "");
if(myport) free(myport);
- for(i = 0; i < 4; i++)
+ for(int i = 0; i < 4; i++)
free(envp[i]);
devops.close();
projects / tinc / blobdiff