static void olsr_shutdown(int signo __attribute__ ((unused)))
#endif
{
struct interface *ifn;
int exit_value;
OLSR_PRINTF(1, "Received signal %d - shutting down\n", (int)signo);
#ifdef WIN32
OLSR_PRINTF(1, "Waiting for the scheduler to stop.\n");
olsr_win32_end_request = TRUE;
while (!olsr_win32_end_flag)
Sleep(100);
OLSR_PRINTF(1, "Scheduler stopped.\n");
#endif
/* clear all links and send empty hellos/tcs */
olsr_reset_all_links();
/* deactivate fisheye and immediate TCs */
olsr_cnf->lq_fish = 0;
for (ifn = ifnet; ifn; ifn = ifn->int_next) {
ifn->immediate_send_tc = false;
}
increase_local_ansn();
/* send first shutdown message burst */
olsr_shutdown_messages();
/* delete all routes */
olsr_delete_all_kernel_routes();
/* send second shutdown message burst */
olsr_shutdown_messages();
/* now try to cleanup the rest of the mess */
olsr_delete_all_tc_entries();
olsr_delete_all_mid_entries();
#ifdef LINUX_NETLINK_ROUTING
/* trigger gateway selection */
if (olsr_cnf->smart_gw_active) {
olsr_cleanup_gateways();
}
/* trigger niit static route cleanup */
if (olsr_cnf->use_niit) {
olsr_cleanup_niit_routes();
}
/* cleanup lo:olsr interface */
if (olsr_cnf->use_src_ip_routes) {
olsr_os_localhost_if(&olsr_cnf->main_addr, false);
}
#endif
olsr_destroy_parser();
OLSR_PRINTF(1, "Closing sockets...\n");
/* front-end IPC socket */
if (olsr_cnf->ipc_connections > 0) {
shutdown_ipc();
}
/* OLSR sockets */
for (ifn = ifnet; ifn; ifn = ifn->int_next) {
close(ifn->olsr_socket);
close(ifn->send_socket);
#ifdef LINUX_NETLINK_ROUTING
if (DEF_RT_NONE != olsr_cnf->rt_table_defaultolsr_pri) {
olsr_os_policy_rule(olsr_cnf->ip_version, olsr_cnf->rt_table_default,
olsr_cnf->rt_table_defaultolsr_pri, ifn->int_name, false);
}
#endif
}
/* Closing plug-ins */
olsr_close_plugins();
/* Reset network settings */
net_os_restore_ifoptions();
/* ioctl socket */
close(olsr_cnf->ioctl_s);
#ifdef LINUX_NETLINK_ROUTING
if (DEF_RT_NONE != olsr_cnf->rt_table_pri) {
olsr_os_policy_rule(olsr_cnf->ip_version,
olsr_cnf->rt_table, olsr_cnf->rt_table_pri, NULL, false);
}
if (DEF_RT_NONE != olsr_cnf->rt_table_tunnel_pri) {
olsr_os_policy_rule(olsr_cnf->ip_version,
olsr_cnf->rt_table_tunnel, olsr_cnf->rt_table_tunnel_pri, NULL, false);
}
if (DEF_RT_NONE != olsr_cnf->rt_table_default_pri) {
olsr_os_policy_rule(olsr_cnf->ip_version,
olsr_cnf->rt_table_default, olsr_cnf->rt_table_default_pri, NULL, false);
}
close(olsr_cnf->rtnl_s);
close (olsr_cnf->rt_monitor_socket);
#endif
#if defined __FreeBSD__ || defined __FreeBSD_kernel__ || defined __MacOSX__ || defined __NetBSD__ || defined __OpenBSD__
/* routing socket */
close(olsr_cnf->rts);
#endif
/* Free cookies and memory pools attached. */
OLSR_PRINTF(0, "Free all memory...\n");
olsr_delete_all_cookies();
olsr_syslog(OLSR_LOG_INFO, "%s stopped", olsrd_version);
OLSR_PRINTF(1, "\n <<<< %s - terminating >>>>\n http://www.olsr.org\n", olsrd_version);
exit_value = olsr_cnf->exit_value;
olsrd_free_cnf(olsr_cnf);
exit(exit_value);
}
int MyDialog2::OpenConfigFile(CString PathName)
{
struct ip_prefix_list *Hna;
struct olsr_if *Int, *PrevInt;
struct olsr_msg_params *MsgPar;
int NumInt = m_InterfaceList.GetItemCount();
int i;
CString IntName;
CString Conv;
if (Conf != NULL)
olsrd_free_cnf(Conf);
if (olsrd_parse_cnf(PathName) < 0)
return -1;
Conf = olsr_cnf;
for (i = 0; i < NumInt; i++)
m_InterfaceList.SetCheck(i, FALSE);
for (Int = Conf->interfaces; Int != NULL; Int = Int->next)
{
IntName = Int->name;
IntName.MakeUpper();
for (i = 0; i < NumInt; i++)
{
if (m_InterfaceList.GetItemText(i, 0).Mid(0, 4) == IntName)
m_InterfaceList.SetCheck(i, TRUE);
}
}
Int = Conf->interfaces;
MsgPar = &Int->cnf->hello_params;
Conv.Format("%.2f", MsgPar->emission_interval);
m_HelloInt.SetWindowText(Conv);
Conv.Format("%.2f", MsgPar->validity_time);
m_HelloHold.SetWindowText(Conv);
MsgPar = &Int->cnf->tc_params;
Conv.Format("%.2f", MsgPar->emission_interval);
m_TcInt.SetWindowText(Conv);
Conv.Format("%.2f", MsgPar->validity_time);
m_TcHold.SetWindowText(Conv);
MsgPar = &Int->cnf->mid_params;
Conv.Format("%.2f", MsgPar->emission_interval);
m_MidInt.SetWindowText(Conv);
Conv.Format("%.2f", MsgPar->validity_time);
m_MidHold.SetWindowText(Conv);
MsgPar = &Int->cnf->hna_params;
Conv.Format("%.2f", MsgPar->emission_interval);
m_HnaInt.SetWindowText(Conv);
Conv.Format("%.2f", MsgPar->validity_time);
m_HnaHold.SetWindowText(Conv);
SetDebugLevel(Conf->debug_level);
Conv.Format("%.2f", Conf->pollrate);
m_PollInt.SetWindowText(Conv);
Conv.Format("%d", Conf->mpr_coverage);
m_MprCov.SetWindowText(Conv);
m_TcRed.SetCurSel(Conf->tc_redundancy);
m_LqAlgo.SetCurSel(m_LqAlgo.FindStringExact(-1, Conf->lq_algorithm));
m_HystCheck.SetCheck(Conf->use_hysteresis);
Conv.Format("%.2f", Conf->hysteresis_param.scaling);
m_HystScaling.SetWindowText(Conv);
Conv.Format("%.2f", Conf->hysteresis_param.thr_high);
m_HystThresholdHigh.SetWindowText(Conv);
Conv.Format("%.2f", Conf->hysteresis_param.thr_low);
m_HystThresholdLow.SetWindowText(Conv);
OnHystCheck();
m_FishEyeCheck.SetCheck(Conf->lq_fish > 0);
m_EtxCheck.SetCheck(Conf->lq_level > 0);
#if 0
Conv.Format("%d", Conf->lq_wsize);
m_EtxWindowSize.SetWindowText(Conv);
#endif
m_EtxRadio1.SetCheck(Conf->lq_level == 1);
m_EtxRadio2.SetCheck(Conf->lq_level == 0 || Conf->lq_level == 2);
OnEtxCheckWorker();
m_InternetCheck.SetCheck(FALSE);
for (Hna = Conf->hna_entries; Hna != NULL; Hna = Hna->next)
if (0 == Hna->net.prefix_len &&
m_InternetCheck.IsWindowEnabled())
m_InternetCheck.SetCheck(TRUE);
PrevInt = NULL;
for (Int = Conf->interfaces; Int != NULL; Int = Int->next)
{
IntName = Int->name;
if (IntName.CompareNoCase("GUI") == 0)
break;
PrevInt = Int;
}
if (Int != NULL)
{
if (PrevInt == NULL)
Conf->interfaces = Int->next;
else
PrevInt->next = Int->next;
win32_olsrd_free(Int);
}
return 0;
}
int main(int argc, char *argv[]) {
struct if_config_options *default_ifcnf;
char conf_file_name[FILENAME_MAX];
struct ipaddr_str buf;
bool loadedConfig = false;
int i;
#ifdef LINUX_NETLINK_ROUTING
struct interface *ifn;
#endif
#ifdef WIN32
WSADATA WsaData;
size_t len;
#endif
/* paranoia checks */
assert(sizeof(uint8_t) == 1);
assert(sizeof(uint16_t) == 2);
assert(sizeof(uint32_t) == 4);
assert(sizeof(int8_t) == 1);
assert(sizeof(int16_t) == 2);
assert(sizeof(int32_t) == 4);
printf("\n *** %s ***\n Build date: %s on %s\n http://www.olsr.org\n\n",
olsrd_version, build_date, build_host);
if (argc == 2) {
if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "/?") == 0) {
print_usage(false);
exit(0);
}
if (strcmp(argv[1], "-v") == 0) {
exit(0);
}
}
debug_handle = stdout;
#ifndef WIN32
olsr_argv = argv;
#endif
setbuf(stdout, NULL);
setbuf(stderr, NULL);
#ifndef WIN32
/* Check if user is root */
if (geteuid()) {
fprintf(stderr, "You must be root(uid = 0) to run olsrd!\nExiting\n\n");
exit(EXIT_FAILURE);
}
#else
DisableIcmpRedirects();
if (WSAStartup(0x0202, &WsaData)) {
fprintf(stderr, "Could not initialize WinSock.\n");
olsr_exit(__func__, EXIT_FAILURE);
}
#endif
/* Open syslog */
olsr_openlog("olsrd");
/* Using PID as random seed */
srandom(getpid());
/* Init widely used statics */
memset(&all_zero, 0, sizeof(union olsr_ip_addr));
/*
* Set configfile name and
* check if a configfile name was given as parameter
*/
#ifdef WIN32
#ifndef WINCE
GetWindowsDirectory(conf_file_name, FILENAME_MAX - 11);
#else
conf_file_name[0] = 0;
#endif
len = strlen(conf_file_name);
if (len == 0 || conf_file_name[len - 1] != '\\')
conf_file_name[len++] = '\\';
strscpy(conf_file_name + len, "olsrd.conf", sizeof(conf_file_name) - len);
#else
strscpy(conf_file_name, OLSRD_GLOBAL_CONF_FILE, sizeof(conf_file_name));
#endif
olsr_cnf = olsrd_get_default_cnf();
for (i=1; i < argc-1;) {
if (strcmp(argv[i], "-f") == 0) {
loadedConfig = true;
if (olsrmain_load_config(argv[i+1]) < 0) {
exit(EXIT_FAILURE);
}
if (i+2 < argc) {
memmove(&argv[i], &argv[i+2], sizeof(*argv) * (argc-i-1));
}
argc -= 2;
}
else {
i++;
}
}
/*
* set up configuration prior to processing commandline options
*/
if (!loadedConfig && olsrmain_load_config(conf_file_name) == 0) {
loadedConfig = true;
}
if (!loadedConfig) {
olsrd_free_cnf(olsr_cnf);
olsr_cnf = olsrd_get_default_cnf();
}
default_ifcnf = get_default_if_config();
if (default_ifcnf == NULL) {
fprintf(stderr, "No default ifconfig found!\n");
exit(EXIT_FAILURE);
}
/* Initialize timers */
olsr_init_timers();
/*
* Process olsrd options.
*/
if (olsr_process_arguments(argc, argv, olsr_cnf, default_ifcnf) < 0) {
print_usage(true);
olsr_exit(__func__, EXIT_FAILURE);
}
/*
* Set configuration for command-line specified interfaces
*/
set_default_ifcnfs(olsr_cnf->interfaces, default_ifcnf);
/* free the default ifcnf */
free(default_ifcnf);
/* Sanity check configuration */
if (olsrd_sanity_check_cnf(olsr_cnf) < 0) {
fprintf(stderr, "Bad configuration!\n");
olsr_exit(__func__, EXIT_FAILURE);
}
/*
* Establish file lock to prevent multiple instances
*/
if (olsr_cnf->lock_file) {
strscpy(lock_file_name, olsr_cnf->lock_file, sizeof(lock_file_name));
} else {
size_t l;
#ifdef DEFAULT_LOCKFILE_PREFIX
strscpy(lock_file_name, DEFAULT_LOCKFILE_PREFIX, sizeof(lock_file_name));
#else
strscpy(lock_file_name, conf_file_name, sizeof(lock_file_name));
#endif
l = strlen(lock_file_name);
snprintf(&lock_file_name[l], sizeof(lock_file_name) - l, "-ipv%d.lock",
olsr_cnf->ip_version == AF_INET ? 4 : 6);
}
/*
* Print configuration
*/
if (olsr_cnf->debug_level > 1) {
olsrd_print_cnf(olsr_cnf);
}
def_timer_ci = olsr_alloc_cookie("Default Timer Cookie", OLSR_COOKIE_TYPE_TIMER);
/*
* socket for ioctl calls
*/
olsr_cnf->ioctl_s = socket(olsr_cnf->ip_version, SOCK_DGRAM, 0);
if (olsr_cnf->ioctl_s < 0) {
#ifndef WIN32
olsr_syslog(OLSR_LOG_ERR, "ioctl socket: %m");
#endif
olsr_exit(__func__, 0);
}
#ifdef LINUX_NETLINK_ROUTING
olsr_cnf->rtnl_s = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE);
if (olsr_cnf->rtnl_s < 0) {
olsr_syslog(OLSR_LOG_ERR, "rtnetlink socket: %m");
olsr_exit(__func__, 0);
}
fcntl(olsr_cnf->rtnl_s, F_SETFL, O_NONBLOCK);
if ((olsr_cnf->rt_monitor_socket = rtnetlink_register_socket(RTMGRP_LINK)) < 0) {
olsr_syslog(OLSR_LOG_ERR, "rtmonitor socket: %m");
olsr_exit(__func__, 0);
}
#endif
/*
* create routing socket
*/
#if defined __FreeBSD__ || __FreeBSD_kernel__ || defined __MacOSX__ || defined __NetBSD__ || defined __OpenBSD__
olsr_cnf->rts = socket(PF_ROUTE, SOCK_RAW, 0);
if (olsr_cnf->rts < 0) {
olsr_syslog(OLSR_LOG_ERR, "routing socket: %m");
olsr_exit(__func__, 0);
}
#endif
#ifdef LINUX_NETLINK_ROUTING
/* initialize gateway system */
if (olsr_cnf->smart_gw_active) {
if (olsr_init_gateways()) {
olsr_exit("Cannot initialize gateway tunnels", 1);
}
}
/* initialize niit if index */
if (olsr_cnf->use_niit) {
olsr_init_niit();
}
#endif
/* Init empty TC timer */
set_empty_tc_timer(GET_TIMESTAMP(0));
/* enable ip forwarding on host */
/* Disable redirects globally */
#ifndef WIN32
net_os_set_global_ifoptions();
#endif
/* Initialize parser */
olsr_init_parser();
/* Initialize route-exporter */
olsr_init_export_route();
/* Initialize message sequencnumber */
init_msg_seqno();
/* Initialize dynamic willingness calculation */
olsr_init_willingness();
/*
*Set up willingness/APM
*/
if (olsr_cnf->willingness_auto) {
if (apm_init() < 0) {
OLSR_PRINTF(1, "Could not read APM info - setting default willingness(%d)\n", WILL_DEFAULT);
olsr_syslog(OLSR_LOG_ERR,
"Could not read APM info - setting default willingness(%d)\n",
WILL_DEFAULT);
olsr_cnf->willingness_auto = 0;
olsr_cnf->willingness = WILL_DEFAULT;
} else {
olsr_cnf->willingness = olsr_calculate_willingness();
OLSR_PRINTF(1, "Willingness set to %d - next update in %.1f secs\n", olsr_cnf->willingness, olsr_cnf->will_int);
}
}
/* Initialize net */
init_net();
/* Initializing networkinterfaces */
if (!olsr_init_interfacedb()) {
if (olsr_cnf->allow_no_interfaces) {
fprintf(
stderr,
"No interfaces detected! This might be intentional, but it also might mean that your configuration is fubar.\nI will continue after 5 seconds...\n");
olsr_startup_sleep(5);
} else {
fprintf(stderr, "No interfaces detected!\nBailing out!\n");
olsr_exit(__func__, EXIT_FAILURE);
}
}
olsr_do_startup_sleep();
/* Print heartbeat to stdout */
#if !defined WINCE
if (olsr_cnf->debug_level > 0 && isatty(STDOUT_FILENO)) {
olsr_start_timer(STDOUT_PULSE_INT, 0, OLSR_TIMER_PERIODIC,
&generate_stdout_pulse, NULL, 0);
}
#endif
/* Initialize the IPC socket */
if (olsr_cnf->ipc_connections > 0) {
ipc_init();
}
/* Initialisation of different tables to be used. */
olsr_init_tables();
/* daemon mode */
#ifndef WIN32
if (olsr_cnf->debug_level == 0 && !olsr_cnf->no_fork) {
printf("%s detaching from the current process...\n", olsrd_version);
if (daemon(0, 0) < 0) {
printf("daemon(3) failed: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
}
#endif
/*
* Create locking file for olsrd, will be cleared after olsrd exits
*/
for (i=5; i>=0; i--) {
OLSR_PRINTF(3, "Trying to get olsrd lock...\n");
if (olsr_create_lock_file(i > 0) == 0) {
/* lock sucessfully created */
break;
}
sleep (1);
}
/* Load plugins */
olsr_load_plugins();
OLSR_PRINTF(1, "Main address: %s\n\n", olsr_ip_to_string(&buf, &olsr_cnf->main_addr));
#ifdef LINUX_NETLINK_ROUTING
/* create policy routing priorities if necessary */
if (DEF_RT_NONE != olsr_cnf->rt_table_pri) {
olsr_os_policy_rule(olsr_cnf->ip_version,
olsr_cnf->rt_table, olsr_cnf->rt_table_pri, NULL, true);
}
if (DEF_RT_NONE != olsr_cnf->rt_table_tunnel_pri) {
olsr_os_policy_rule(olsr_cnf->ip_version,
olsr_cnf->rt_table_tunnel, olsr_cnf->rt_table_tunnel_pri, NULL, true);
}
if (DEF_RT_NONE != olsr_cnf->rt_table_default_pri) {
olsr_os_policy_rule(olsr_cnf->ip_version,
olsr_cnf->rt_table_default, olsr_cnf->rt_table_default_pri, NULL, true);
}
/* OLSR sockets */
if (DEF_RT_NONE != olsr_cnf->rt_table_defaultolsr_pri) {
for (ifn = ifnet; ifn; ifn = ifn->int_next) {
olsr_os_policy_rule(olsr_cnf->ip_version, olsr_cnf->rt_table_default,
olsr_cnf->rt_table_defaultolsr_pri, ifn->int_name, true);
}
}
/* trigger gateway selection */
if (olsr_cnf->smart_gw_active) {
olsr_trigger_inetgw_startup();
}
/* trigger niit static route setup */
if (olsr_cnf->use_niit) {
olsr_setup_niit_routes();
}
/* create lo:olsr interface */
if (olsr_cnf->use_src_ip_routes) {
olsr_os_localhost_if(&olsr_cnf->main_addr, true);
}
#endif
/* Start syslog entry */
olsr_syslog(OLSR_LOG_INFO, "%s successfully started", olsrd_version);
/*
*signal-handlers
*/
/* ctrl-C and friends */
#ifdef WIN32
#ifndef WINCE
SetConsoleCtrlHandler(SignalHandler, true);
#endif
#else
signal(SIGHUP, olsr_reconfigure);
signal(SIGINT, olsr_shutdown);
signal(SIGQUIT, olsr_shutdown);
signal(SIGILL, olsr_shutdown);
signal(SIGABRT, olsr_shutdown);
// signal(SIGSEGV, olsr_shutdown);
signal(SIGTERM, olsr_shutdown);
signal(SIGPIPE, SIG_IGN);
// Ignoring SIGUSR1 and SIGUSR1 by default to be able to use them in plugins
signal(SIGUSR1, SIG_IGN);
signal(SIGUSR2, SIG_IGN);
#endif
link_changes = false;
/* Starting scheduler */
olsr_scheduler();
/* Like we're ever going to reach this ;-) */
return 1;
} /* main */
