/*
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>
#include "conf.h"
#include "connection.h"
#include "control.h"
-#include "device.h"
#include "digest.h"
#include "ecdsa.h"
#include "graph.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 io_t device_io;
-devops_t devops;
char *proxyhost;
char *proxyport;
int autoconnect;
bool disablebuggypeers;
-char *scriptinterpreter;
-char *scriptextension;
-
bool node_read_ecdsa_public_key(node_t *n) {
if(ecdsa_active(n->ecdsa))
return true;
send_key_changed();
}
-/*
- Read Subnets from all host config files
-*/
-void load_all_subnets(void) {
- DIR *dir;
- struct dirent *ent;
- char *dname;
-
- xasprintf(&dname, "%s" SLASH "hosts", confbase);
- dir = opendir(dname);
- if(!dir) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Could not open %s: %s", dname, strerror(errno));
- free(dname);
- return;
- }
-
- while((ent = readdir(dir))) {
- if(!check_id(ent->d_name))
- continue;
-
- node_t *n = lookup_node(ent->d_name);
- #ifdef _DIRENT_HAVE_D_TYPE
- //if(ent->d_type != DT_REG)
- // continue;
- #endif
-
- splay_tree_t *config_tree;
- init_configuration(&config_tree);
- read_config_options(config_tree, ent->d_name);
- read_host_config(config_tree, ent->d_name);
-
- if(!n) {
- n = new_node();
- n->name = xstrdup(ent->d_name);
- node_add(n);
- }
-
- 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;
- } else {
- subnet_add(n, s);
- }
- }
-
- exit_configuration(&config_tree);
- }
-
- closedir(dir);
-}
-
void load_all_nodes(void) {
DIR *dir;
struct dirent *ent;
char *space;
bool choice;
- 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, ' ')))
/*
Configure node_t myself and set up the local sockets (listen only)
*/
-static bool setup_myself(void) {
+bool setup_myself(void) {
char *name, *hostname, *cipher, *digest, *type;
char *address = NULL;
bool port_specified = false;
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) {
graph();
- if(strictsubnets)
- load_all_subnets();
- else if(autoconnect)
+ if(autoconnect)
load_all_nodes();
- /* Open 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)
- io_add(&device_io, handle_device_data, NULL, device_fd, IO_READ);
-
/* Open sockets */
if(!do_detach && getenv("LISTEN_FDS")) {
*/
bool setup_network(void) {
init_connections();
- init_subnets();
init_nodes();
init_edges();
init_requests();
if(!init_control())
return false;
- /* 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", myself->name);
-
- execute_script("tinc-up", envp);
-
- for(int i = 0; i < 4; i++)
- free(envp[i]);
-
- /* Run subnet-up scripts for our own subnets */
-
- subnet_update(myself, NULL, true);
-
return true;
}
list_delete_list(outgoing_list);
if(myself && myself->connection) {
- subnet_update(myself, NULL, false);
terminate_connection(myself->connection, false);
free_connection(myself->connection);
}
close(listen_socket[i].udp.fd);
}
- 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", myself->name);
-
exit_requests();
exit_edges();
- exit_subnets();
exit_nodes();
exit_connections();
- execute_script("tinc-down", envp);
-
if(myport) free(myport);
- for(int i = 0; i < 4; i++)
- free(envp[i]);
-
- devops.close();
-
exit_control();
return;