int main(int argc, char **argv)
{
/*
* Check for superuser privileges
*/
if (geteuid()) {
printf("Running %s requires superuser privileges! Exiting...\n", LISPD);
exit(EXIT_FAILURE);
}
/*
* Initialize the random number generator
*/
iseed = (unsigned int) time (NULL);
srandom(iseed);
/*
* Set up signal handlers
*/
signal(SIGHUP, signal_handler);
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
signal(SIGQUIT, signal_handler);
/*
* set up syslog now, checking to see if we're daemonizing...
*/
set_up_syslog();
/*
* Unload/load LISP kernel modules
*/
system("/sbin/modprobe -r lisp lisp_int");
if (system("/sbin/modprobe lisp")) {
syslog(LOG_DAEMON, "Loading the 'lisp' kernel module failed! Exiting...");
exit(EXIT_FAILURE);
}
syslog(LOG_DAEMON, "Loaded the 'lisp' kernel module");
sleep(1);
if (system("/sbin/modprobe lisp_int")) {
syslog(LOG_DAEMON, "Loading the 'lisp_int' kernel module failed! Exiting...");
exit(EXIT_FAILURE);
}
syslog(LOG_DAEMON, "Loaded the 'lisp_int' kernel module");
sleep(1);
/*
* Setup LISP and routing netlink sockets
*/
if (!setup_netlink()) {
syslog(LOG_DAEMON, "Can't set up netlink socket for lisp_mod communication");
exit(EXIT_FAILURE);
}
if (!setup_netlink_iface()) {
syslog(LOG_DAEMON, "Can't set up netlink socket for interface events");
exit(EXIT_FAILURE);
}
syslog(LOG_DAEMON, "Netlink sockets created");
/*
* set up databases
*/
AF4_database = New_Patricia(sizeof(struct in_addr) * 8);
AF6_database = New_Patricia(sizeof(struct in6_addr) * 8);
/*
* Parse command line options
*/
handle_lispd_command_line(argc, argv);
// Modified by acabello
// init_datacache has the following parameters:
// void (*cbk)(datacache_elt_t*); -> callback function (see example in lispd_lib.c)
if (!init_datacache(callback_elt)) {
syslog(LOG_DAEMON, "malloc (datacache): %s", strerror(errno));
exit(EXIT_FAILURE);
}
/*
* Now do the config file
*/
handle_lispd_config_file();
/*
* now build the v4/v6 receive sockets
*/
if (build_receive_sockets() == 0)
exit(EXIT_FAILURE);
/*
* create timers
*/
if ((map_register_timer_fd = timerfd_create(CLOCK_REALTIME, 0)) == -1)
syslog(LOG_INFO, "Could not create periodic map register timer");
/*
* see if we need to daemonize, and if so, do it
*/
if (daemonize) {
syslog(LOG_INFO, "Starting the daemonizing process");
if ((pid = fork()) < 0) {
exit(EXIT_FAILURE);
}
umask(0);
if (pid > 0)
exit(EXIT_SUCCESS);
if ((sid = setsid()) < 0)
exit(EXIT_FAILURE);
if ((chdir("/")) < 0)
exit(EXIT_FAILURE);
close(STDIN_FILENO);
close(STDOUT_FILENO);
close(STDERR_FILENO);
}
/* PN XXX
* comment out test definition to avoid any
* interactions with the data plane
*/
#define test
#ifdef test
int ret = register_lispd_process();
if (ret < 0) {
syslog(LOG_INFO, "Couldn't register lispd process, err: %d", ret);
exit(EXIT_FAILURE);
}
syslog(LOG_DAEMON, "Registered lispd with kernel module");
ret = install_database_mappings();
if (ret < 0) {
syslog(LOG_INFO, "Could not install database mappings, err: %d", ret);
exit(EXIT_FAILURE);
}
syslog(LOG_DAEMON, "Installed database mappings");
ret = install_map_cache_entries();
if (ret < 0) {
syslog(LOG_INFO, "Could not install static map-cache entries, err: %d", ret);
}
#endif
/*
* Dump routing table so we can get the gateway address for source routing
*/
if (!dump_routing_table(AF_INET, RT_TABLE_MAIN))
syslog(LOG_INFO, "Dumping main routing table failed");
/*
* Register to the Map-Server(s)
*/
if (!map_register(AF6_database))
syslog(LOG_INFO, "Could not map register AF_INET6 with Map Servers");
if (!map_register(AF4_database))
syslog(LOG_INFO, "Could not map register AF_INET with Map Servers");
event_loop();
syslog(LOG_INFO, "Exiting..."); /* event_loop returned bad */
closelog();
return(0);
}
JNIEXPORT jintArray JNICALL Java_org_lispmob_noroot_LISPmob_1JNI_startLispd
(JNIEnv *env, jclass cl, jint vpn_tun_fd, jstring storage_path)
{
jintArray fd_list;
jint sockets_fds[4];
uint32_t iseed = 0; /* initial random number generator */
pid_t pid = 0; /* child pid */
pid_t sid = 0;
char log_file[1024];
const char *path = NULL;
memset (log_file,0,sizeof(char)*1024);
init_globales();
path = (*env)->GetStringUTFChars(env, storage_path, 0);
config_file = calloc(1024, sizeof(char));
strcat(config_file,path);
strcat(config_file,CONF_FILE_NAME);
strcat(log_file,path);
strcat(log_file,LOG_FILE_NAME);
(*env)->ReleaseStringUTFChars(env, storage_path, path);
open_log_file(log_file);
lispd_log_msg(LISP_LOG_INFO,"LISPmob %s compiled for not rooted Android", LISPD_VERSION);
/*
* Initialize the random number generator
*/
iseed = (unsigned int) time (NULL);
srandom(iseed);
/*
* Set up signal handlers
*/
signal(SIGHUP, signal_handler);
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
signal(SIGQUIT, signal_handler);
/*
* set up databases
*/
if (db_init() != GOOD ||
map_cache_init() != GOOD ||
init_referral_cache() != GOOD){
exit_cleanup();
}
/*
* create timers
*/
if (build_timers_event_socket(&timers_fd) == 0)
{
lispd_log_msg(LISP_LOG_CRIT, " Error programing the timer signal. Exiting...");
exit_cleanup();
return (NULL);
}
init_timers();
/*
* Create net_link socket to receive notifications of changes of RLOC status.
*/
if ((netlink_fd = opent_netlink_socket()) == -1){
lispd_log_msg(LISP_LOG_CRIT, " Error programing netlink socket. Exiting...");
exit_cleanup();
return (NULL);
}
if ((ipc_control_fd = open_ipc_socket(IPC_CONTROL_RX_PORT)) == -1){
lispd_log_msg(LISP_LOG_CRIT, " Error programing IPC socket. Exiting...");
exit_cleanup();
return (NULL);
}
err = handle_lispd_config_file(config_file);
if (err != GOOD){
lispd_log_msg(LISP_LOG_CRIT,"Wrong configurationn.");
ipc_send_log_msg(WRONG_CONF);
sleep(2);
exit_cleanup();
return (NULL);
}
if (nat_aware == TRUE){
nat_set_xTR_ID();
}
/*
* Select the default rlocs for output data packets and output control packets
*/
set_default_output_ifaces();
set_default_ctrl_ifaces();
/*
* Generate receive sockets for control (4342) and data port (4341)
*/
if (default_rloc_afi == AF_UNSPEC || default_rloc_afi == AF_INET){
ipv4_control_input_fd = open_control_input_socket(AF_INET);
ipv4_data_input_fd = open_data_input_socket(AF_INET);
if (ipv4_control_input_fd == -1 || ipv4_data_input_fd == -1){
lispd_log_msg(LISP_LOG_CRIT, " Error programing IPv4 sockets. Exiting...");
exit_cleanup();
return (NULL);
}
}
if (default_rloc_afi == AF_UNSPEC || default_rloc_afi == AF_INET6){
ipv6_control_input_fd = open_control_input_socket(AF_INET6);
ipv6_data_input_fd = open_data_input_socket(AF_INET6);
if (ipv6_control_input_fd == -1 || ipv6_data_input_fd == -1){
lispd_log_msg(LISP_LOG_CRIT, " Error programing IPv6 sockets. Exiting...");
exit_cleanup();
return (NULL);
}
}
tun_fd = vpn_tun_fd;
lispd_log_msg(LISP_LOG_INFO,"LISPmob (%s): 'lispd' started...", LISPD_VERSION);
if (router_mode == TRUE){
lispd_log_msg(LISP_LOG_INFO,"Running as an xTR router");
}else{
lispd_log_msg(LISP_LOG_INFO,"Running as a LISP mobile node");
}
fd_list = (*env)->NewIntArray(env, 4);
if (fd_list == NULL) {
return NULL; /* out of memory error thrown */
}
if (default_ctrl_iface_v4 != NULL || default_ctrl_iface_v6 != NULL){
sockets_fds[0] = ipv4_control_input_fd;
sockets_fds[1] = ipv4_data_input_fd;
sockets_fds[2] = ipv6_control_input_fd;
sockets_fds[3] = ipv6_data_input_fd;
}else{ // We started LISPmob without any interface UP */
ipc_send_log_msg(NO_NETWORK);
sockets_fds[0] = -1;
sockets_fds[1] = -1;
sockets_fds[2] = -1;
sockets_fds[3] = -1;
}
(*env)->SetIntArrayRegion(env, fd_list, 0, 4, sockets_fds);
return fd_list;
}
int main(int argc, char **argv)
{
int fd = 0;
pid_t pid = 0; /* child pid */
pid_t sid = 0;
init();
/*
* set up databases
*/
if (!db_init()) {
log_msg(INFO, "Couldn't create databases");
exit(EXIT_FAILURE);
}
/*
* Parse command line options
*/
handle_lispd_command_line(argc, argv);
/*
* see if we need to daemonize, and if so, do it
*/
if (lispd_config.daemonize) {
log_msg(INFO, "lispd is backgrounding...");
if ((pid = fork()) < 0) {
exit(EXIT_FAILURE);
}
if (pid > 0) {
log_msg(INFO, "done. Running as PID %d", pid);
exit(EXIT_SUCCESS);
}
umask(0);
if ((sid = setsid()) < 0)
exit(EXIT_FAILURE);
if ((chdir("/")) < 0)
exit(EXIT_FAILURE);
/*
* Redirect standard files to /dev/null save fd in
* case we need to get back to stdout later
*/
fd = dup(fileno(stdout));
}
signal(SIGHUP, signal_handler);
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
signal(SIGQUIT, signal_handler);
init_timers();
/*
* Check if lispd is already running. Only allow one instance!
*/
if (!get_process_lock(getpid())) {
log_msg(FATAL, "lispd already running, please stop before restarting. If this seems wrong"
" remove %s.", LISPD_LOCKFILE);
printf("lispd already running, please stop before restarting.\n If this appears wrong,"
" remove %s.\n", LISPD_LOCKFILE);
exit(EXIT_FAILURE);
}
if (!setup_netlink()) {
log_msg(FATAL, "Can't set up netlink socket (is the kernel module loaded?), exiting...");
die(EXIT_FAILURE);
}
if (!setup_rtnetlink()) {
log_msg(FATAL, "Can't setup rtnetlink socket, exiting...");
die(EXIT_FAILURE);
}
if (!register_lispd_process()) {
log_msg(FATAL, "Couldn't register lispd process, exiting...");
die(EXIT_FAILURE);
}
log_msg(INFO, "Version %d.%d.%d starting up...",
MAJOR_VERSION, MINOR_VERSION, PATCH_VERSION);
/*
* now build the v4/v6 receive sockets
*/
if (build_receive_sockets() == 0) {
log_msg(FATAL, " exiting...");
die(EXIT_FAILURE);
}
if (build_event_socket() == 0)
{
log_msg(FATAL, " exiting...");
die(EXIT_FAILURE);
}
log_msg(INFO, "Built receive/event sockets");
/*
* Now do the config file
*/
if (handle_lispd_config_file()) {
log_msg(FATAL, "Fatal error parsing config file.");
dump_fatal_error();
die(EXIT_FAILURE);
}
/*
* set up syslog now, checking to see if we're daemonizing...
*/
setup_log();
log_msg(INFO, "Read config file");
if (!install_database_mappings()) {
log_msg(FATAL, " exiting...");
die(EXIT_FAILURE);
}
#ifdef DEADCODE
if (!install_map_cache_entries())
log_msg(INFO, "Could not install static map-cache entries");
#endif
if (!map_register())
log_msg(INFO, "Could not map register.");
set_timer(RLOCProbeScan, RLOC_PROBE_CHECK_INTERVAL);
clear_map_cache();
listen_on_well_known_port();
dump_info_file();
event_loop();
log_msg(INFO, "exiting..."); /* event_loop returned bad */
remove_process_lock();
exit(0);
}
int main(int argc, char **argv)
{
uint32_t iseed = 0; /* initial random number generator */
pid_t pid = 0; /* child pid */
pid_t sid = 0;
init_globales();
/*
* Parse command line options
*/
handle_lispd_command_line(argc, argv);
#ifndef ANDROID
/*
* Check for required capabilities and drop unnecssary privileges
*/
if(check_capabilities() != GOOD) {
exit_cleanup();
}
#else
/*
* Check for superuser privileges
*/
if (geteuid() != 0) {
lispd_log_msg(LISP_LOG_INFO,"Running %s requires superuser privileges! Exiting...\n", LISPD);
exit_cleanup();
}
#endif
/*
* Initialize the random number generator
*/
iseed = (unsigned int) time (NULL);
srandom(iseed);
/*
* Set up signal handlers
*/
signal(SIGHUP, signal_handler);
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
signal(SIGQUIT, signal_handler);
/*
* set up databases
*/
if (db_init() != GOOD ||
map_cache_init() != GOOD ||
init_referral_cache() != GOOD){
exit_cleanup();
}
/*
* see if we need to daemonize, and if so, do it
*/
if (daemonize) {
lispd_log_msg(LISP_LOG_DEBUG_1, "Starting the daemonizing process1");
if ((pid = fork()) < 0) {
exit_cleanup();
}
umask(0);
if (pid > 0){
exit(EXIT_SUCCESS);
}
if ((sid = setsid()) < 0){
exit_cleanup();
}
if ((chdir("/")) < 0){
exit_cleanup();
}
}
/*
* create timers
*/
if (build_timers_event_socket(&timers_fd) != GOOD)
{
lispd_log_msg(LISP_LOG_CRIT, " Error programing the timer signal. Exiting...");
exit_cleanup();
}
init_timers();
/*
* Create net_link socket to receive notifications of changes of RLOC status.
*/
if ((netlink_fd = opent_netlink_socket()) == -1){
lispd_log_msg(LISP_LOG_CRIT, " Error programing netlink socket. Exiting...");
exit_cleanup();
}
/*
* Parse config file. Format of the file depends on the node: Linux Box or OpenWRT router
*/
#ifdef OPENWRT
if (config_file == NULL){
config_file = strdup("/etc/config/lispd");
}
err = handle_uci_lispd_config_file(config_file);
#else
if (config_file == NULL){
config_file = strdup("/etc/lispd.conf");
}
err = handle_lispd_config_file(config_file);
#endif
if (err != GOOD){
lispd_log_msg(LISP_LOG_CRIT,"Wrong configuration.");
exit_cleanup();
}
if (ddt_client == FALSE){
drop_referral_cache();
}
if (nat_aware == TRUE){
nat_set_xTR_ID();
}
/*
* Select the default rlocs for output data packets and output control packets
*/
set_default_output_ifaces();
set_default_ctrl_ifaces();
/*
* Create tun interface
*/
if (create_tun(TUN_IFACE_NAME,
TUN_RECEIVE_SIZE,
TUN_MTU) != GOOD){
exit_cleanup();
}
/*
* Assign address to the tun interface and add routing to this interface
*/
if (configure_routing_to_tun() != GOOD){
exit_cleanup();
}
/*
* Generate receive sockets for control (4342) and data port (4341)
*/
if (default_rloc_afi == AF_UNSPEC || default_rloc_afi == AF_INET){
ipv4_control_input_fd = open_control_input_socket(AF_INET);
ipv4_data_input_fd = open_data_input_socket(AF_INET);
}
if (default_rloc_afi == AF_UNSPEC || default_rloc_afi == AF_INET6){
ipv6_control_input_fd = open_control_input_socket(AF_INET6);
ipv6_data_input_fd = open_data_input_socket(AF_INET6);
}
/*
* Request to dump the routing tables to obtain the gatways when processing the netlink messages
*/
request_route_table(RT_TABLE_MAIN, AF_INET);
process_netlink_msg(netlink_fd);
request_route_table(RT_TABLE_MAIN, AF_INET6);
process_netlink_msg(netlink_fd);
#ifdef OPENWRT
lispd_log_msg(LISP_LOG_INFO,"LISPmob %s compiled for openWRT\n", LISPD_VERSION);
#else
#ifdef ANDROID
lispd_log_msg(LISP_LOG_INFO,"LISPmob %s compiled for Android\n", LISPD_VERSION);
#else
lispd_log_msg(LISP_LOG_INFO,"LISPmob %s compiled for Linux\n", LISPD_VERSION);
#endif
#endif
lispd_log_msg(LISP_LOG_INFO,"LISPmob (%s): 'lispd' started...", LISPD_VERSION);
if (router_mode == TRUE){
lispd_log_msg(LISP_LOG_INFO,"Running as an xTR router");
}else{
lispd_log_msg(LISP_LOG_INFO,"Running as a LISP mobile node");
}
/*
* Register to the Map-Server(s)
*/
if (nat_aware == TRUE){
initial_info_request_process();
}else{
initial_map_register_process();
/*
* SMR proxy-ITRs list to be updated with new mappings
*/
init_smr(NULL,NULL);
}
/*
* RLOC Probing proxy ETRs
*/
programming_petr_rloc_probing();
event_loop();
lispd_log_msg(LISP_LOG_INFO, "Exiting..."); /* event_loop returned bad */
closelog();
return(0);
}
int main(int argc, char **argv)
{
lisp_addr_t *tun_v4_addr;
lisp_addr_t *tun_v6_addr;
char *tun_dev_name = TUN_IFACE_NAME;
#ifdef ROUTER
#ifdef OPENWRT
lispd_log_msg(LISP_LOG_INFO,"LISPmob compiled for openWRT xTR\n");
#else
lispd_log_msg(LISP_LOG_INFO,"LISPmob compiled for linux xTR\n");
#endif
#else
lispd_log_msg(LISP_LOG_INFO,"LISPmob compiled for mobile node\n");
#endif
/*
* Check for superuser privileges
*/
if (geteuid()) {
lispd_log_msg(LISP_LOG_INFO,"Running %s requires superuser privileges! Exiting...\n", LISPD);
exit_cleanup();
}
/*
* Initialize the random number generator
*/
iseed = (unsigned int) time (NULL);
srandom(iseed);
/*
* Set up signal handlers
*/
signal(SIGHUP, signal_handler);
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
signal(SIGQUIT, signal_handler);
/*
* set up databases
*/
db_init();
map_cache_init();
/*
* Parse command line options
*/
handle_lispd_command_line(argc, argv);
/*
* see if we need to daemonize, and if so, do it
*/
if (daemonize) {
lispd_log_msg(LISP_LOG_DEBUG_1, "Starting the daemonizing process");
if ((pid = fork()) < 0) {
exit_cleanup();
}
umask(0);
if (pid > 0)
exit_cleanup();
if ((sid = setsid()) < 0)
exit_cleanup();
if ((chdir("/")) < 0)
exit_cleanup();
close(STDIN_FILENO);
close(STDOUT_FILENO);
close(STDERR_FILENO);
}
/*
* create timers
*/
if (build_timers_event_socket(&timers_fd) == 0)
{
lispd_log_msg(LISP_LOG_CRIT, " Error programing the timer signal. Exiting...");
exit_cleanup();
}
init_timers();
/*
* Parse config file. Format of the file depends on the node: Linux Box or OpenWRT router
*/
#ifdef OPENWRT
if (config_file == NULL){
config_file = "/etc/config/lispd";
}
handle_uci_lispd_config_file(config_file);
#else
if (config_file == NULL){
config_file = "/etc/lispd.conf";
}
handle_lispd_config_file(config_file);
#endif
if (map_servers == NULL){
lispd_log_msg(LISP_LOG_CRIT, "No Map Server configured. Exiting...");
exit_cleanup();
}
if (map_resolvers == NULL){
lispd_log_msg(LISP_LOG_CRIT, "No Map Resolver configured. Exiting...");
exit_cleanup();
}
if (proxy_etrs == NULL){
lispd_log_msg(LISP_LOG_WARNING, "No Proxy-ETR defined. Packets to non-LISP destinations will be "
"forwarded natively (no LISP encapsulation). This may prevent mobility in some scenarios.");
sleep(3);
}else{
calculate_balancing_vectors (
proxy_etrs->mapping,
&(((rmt_mapping_extended_info *)(proxy_etrs->mapping->extended_info))->rmt_balancing_locators_vecs));
}
/*
* Select the default rlocs for output data packets and output control packets
*/
set_default_output_ifaces();
set_default_ctrl_ifaces();
/*
* Create tun interface
*/
create_tun(tun_dev_name,
TUN_RECEIVE_SIZE,
TUN_MTU,
&tun_receive_fd,
&tun_ifindex,
&tun_receive_buf);
/*
* Assign address to the tun interface
* Assign route to 0.0.0.0/1 and 128.0.0.0/1 via tun interface
* ::/1 and 8000::/1
*/
#ifdef ROUTER
tun_v4_addr = get_main_eid(AF_INET);
if (tun_v4_addr != NULL){
tun_v4_addr = (lisp_addr_t *)malloc(sizeof(lisp_addr_t));
get_lisp_addr_from_char(TUN_LOCAL_V4_ADDR,tun_v4_addr);
}
tun_v6_addr = get_main_eid(AF_INET6);
if (tun_v6_addr != NULL){
tun_v6_addr = (lisp_addr_t *)malloc(sizeof(lisp_addr_t));
get_lisp_addr_from_char(TUN_LOCAL_V6_ADDR,tun_v6_addr);
}
#else
tun_v4_addr = get_main_eid(AF_INET);
tun_v6_addr = get_main_eid(AF_INET6);
#endif
tun_bring_up_iface(tun_dev_name);
if (tun_v4_addr != NULL){
tun_add_eid_to_iface(*tun_v4_addr,tun_dev_name);
set_tun_default_route_v4();
}
if (tun_v6_addr != NULL){
tun_add_eid_to_iface(*tun_v6_addr,tun_dev_name);
set_tun_default_route_v6();
}
#ifdef ROUTER
if (tun_v4_addr != NULL){
free(tun_v4_addr);
}
if (tun_v6_addr != NULL){
free(tun_v6_addr);
}
#endif
/*
* Generate receive sockets for control (4342) and data port (4341)
*/
if (default_rloc_afi == -1 || default_rloc_afi == AF_INET){
ipv4_control_input_fd = open_control_input_socket(AF_INET);
ipv4_data_input_fd = open_data_input_socket(AF_INET);
}
if (default_rloc_afi == -1 || default_rloc_afi == AF_INET6){
ipv6_control_input_fd = open_control_input_socket(AF_INET6);
ipv6_data_input_fd = open_data_input_socket(AF_INET6);
}
/*
* Create net_link socket to receive notifications of changes of RLOC status.
*/
netlink_fd = opent_netlink_socket();
lispd_log_msg(LISP_LOG_INFO,"LISPmob (0.3.3): 'lispd' started...");
/*
* Request to dump the routing tables to obtain the gatways when processing the netlink messages
*/
request_route_table(RT_TABLE_MAIN, AF_INET);
process_netlink_msg(netlink_fd);
request_route_table(RT_TABLE_MAIN, AF_INET6);
process_netlink_msg(netlink_fd);
/*
* Register to the Map-Server(s)
*/
map_register (NULL,NULL);
/*
* SMR proxy-ITRs list to be updated with new mappings
*/
init_smr(NULL,NULL);
/*
* RLOC Probing proxy ETRs
*/
programming_petr_rloc_probing();
event_loop();
lispd_log_msg(LISP_LOG_INFO, "Exiting..."); /* event_loop returned bad */
closelog();
return(0);
}