int main(int argc, char **argv)
{
short revents;
int i, listenfd, sockfd;
int ret = 0;
struct link *ln;
struct addrinfo *server_ai = NULL;
struct addrinfo *local_ai = NULL;
struct addrinfo hint;
check_ss_option(argc, argv, "client");
memset(&hint, 0, sizeof(hint));
hint.ai_family = AF_UNSPEC;
hint.ai_socktype = SOCK_STREAM;
ret = getaddrinfo(ss_opt.server_addr, ss_opt.server_port,
&hint, &server_ai);
if (ret != 0) {
pr_warn("getaddrinfo error: %s\n", gai_strerror(ret));
goto out;
}
pr_ai_notice(server_ai, "server address");
ret = getaddrinfo(ss_opt.local_addr, ss_opt.local_port, &hint, &local_ai);
if (ret != 0) {
pr_warn("getaddrinfo error: %s\n", gai_strerror(ret));
goto out;
}
pr_ai_notice(local_ai, "listening address");
if (crypto_init(ss_opt.password, ss_opt.method) == -1) {
ret = -1;
goto out;
}
ss_init();
listenfd = do_listen(local_ai, "tcp");
clients[0].fd = listenfd;
clients[0].events = POLLIN;
while (1) {
pr_debug("start polling\n");
ret = poll(clients, nfds, TCP_INACTIVE_TIMEOUT * 1000);
if (ret == -1)
err_exit("poll error");
else if (ret == 0) {
reaper();
continue;
}
if (clients[0].revents & POLLIN) {
sockfd = accept(clients[0].fd, NULL, NULL);
if (sockfd == -1) {
pr_warn("accept error\n");
} else if (poll_set(sockfd, POLLIN) == -1) {
close(sockfd);
} else {
ln = create_link(sockfd, "client");
if (ln == NULL) {
poll_del(sockfd);
close(sockfd);
} else {
ln->server = server_ai;
}
}
}
for (i = 1; i < nfds; i++) {
sockfd = clients[i].fd;
if (sockfd == -1)
continue;
revents = clients[i].revents;
if (revents == 0)
continue;
ln = get_link(sockfd);
if (ln == NULL) {
sock_warn(sockfd, "close: can't get link");
close(sockfd);
continue;
}
if (revents & POLLIN) {
client_do_pollin(sockfd, ln);
}
if (revents & POLLOUT) {
client_do_pollout(sockfd, ln);
}
/* suppress the noise */
/* if (revents & POLLPRI) { */
/* sock_warn(sockfd, "POLLPRI"); */
/* } else if (revents & POLLERR) { */
/* sock_warn(sockfd, "POLLERR"); */
/* } else if (revents & POLLHUP) { */
/* sock_warn(sockfd, "POLLHUP"); */
/* } else if (revents & POLLNVAL) { */
/* sock_warn(sockfd, "POLLNVAL"); */
/* } */
}
reaper();
}
out:
crypto_exit();
if (server_ai)
freeaddrinfo(server_ai);
if (local_ai)
freeaddrinfo(local_ai);
ss_exit();
if (ret == -1)
exit(EXIT_FAILURE);
else
exit(EXIT_SUCCESS);
}
int main2(int argc, char **argv) {
#endif
char *priority = NULL;
if(!detach())
return 1;
#ifdef HAVE_MLOCKALL
/* Lock all pages into memory if requested.
* This has to be done after daemon()/fork() so it works for child.
* No need to do that in parent as it's very short-lived. */
if(do_mlock && mlockall(MCL_CURRENT | MCL_FUTURE) != 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "mlockall",
strerror(errno));
return 1;
}
#endif
/* Setup sockets and open device. */
if(!setup_network())
goto end;
/* Change process priority */
if(get_config_string(lookup_config(config_tree, "ProcessPriority"), &priority)) {
if(!strcasecmp(priority, "Normal")) {
if (setpriority(NORMAL_PRIORITY_CLASS) != 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "setpriority", strerror(errno));
goto end;
}
} else if(!strcasecmp(priority, "Low")) {
if (setpriority(BELOW_NORMAL_PRIORITY_CLASS) != 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "setpriority", strerror(errno));
goto end;
}
} else if(!strcasecmp(priority, "High")) {
if (setpriority(HIGH_PRIORITY_CLASS) != 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "setpriority", strerror(errno));
goto end;
}
} else {
logger(DEBUG_ALWAYS, LOG_ERR, "Invalid priority `%s`!", priority);
goto end;
}
}
/* drop privileges */
if (!drop_privs())
goto end;
/* Start main loop. It only exits when tinc is killed. */
logger(DEBUG_ALWAYS, LOG_NOTICE, "Ready");
if(umbilical) { // snip!
write(umbilical, "", 1);
close(umbilical);
umbilical = 0;
}
try_outgoing_connections();
status = main_loop();
/* Shutdown properly. */
end:
close_network_connections();
logger(DEBUG_ALWAYS, LOG_NOTICE, "Terminating");
free(priority);
crypto_exit();
exit_configuration(&config_tree);
free(cmdline_conf);
free_names();
return status;
}
int main(int argc, char *argv[]) {
ecdsa_t *key1, *key2;
ecdh_t *ecdh1, *ecdh2;
sptps_t sptps1, sptps2;
char buf1[4096], buf2[4096], buf3[4096];
double duration = argc > 1 ? atof(argv[1]) : 10;
crypto_init();
randomize(buf1, sizeof buf1);
randomize(buf2, sizeof buf2);
randomize(buf3, sizeof buf3);
// Key generation
fprintf(stderr, "Generating keys for %lg seconds: ", duration);
for(clock_start(); clock_countto(duration);)
ecdsa_free(ecdsa_generate());
fprintf(stderr, "%17.2lf op/s\n", rate);
key1 = ecdsa_generate();
key2 = ecdsa_generate();
// Ed25519 signatures
fprintf(stderr, "Ed25519 sign for %lg seconds: ", duration);
for(clock_start(); clock_countto(duration);)
if(!ecdsa_sign(key1, buf1, 256, buf2))
return 1;
fprintf(stderr, "%20.2lf op/s\n", rate);
fprintf(stderr, "Ed25519 verify for %lg seconds: ", duration);
for(clock_start(); clock_countto(duration);)
if(!ecdsa_verify(key1, buf1, 256, buf2)) {
fprintf(stderr, "Signature verification failed\n");
return 1;
}
fprintf(stderr, "%18.2lf op/s\n", rate);
ecdh1 = ecdh_generate_public(buf1);
fprintf(stderr, "ECDH for %lg seconds: ", duration);
for(clock_start(); clock_countto(duration);) {
ecdh2 = ecdh_generate_public(buf2);
if(!ecdh2)
return 1;
if(!ecdh_compute_shared(ecdh2, buf1, buf3))
return 1;
}
fprintf(stderr, "%28.2lf op/s\n", rate);
ecdh_free(ecdh1);
// SPTPS authentication phase
int fd[2];
if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) {
fprintf(stderr, "Could not create a UNIX socket pair: %s\n", sockstrerror(sockerrno));
return 1;
}
struct pollfd pfd[2] = {{fd[0], POLLIN}, {fd[1], POLLIN}};
fprintf(stderr, "SPTPS/TCP authenticate for %lg seconds: ", duration);
for(clock_start(); clock_countto(duration);) {
sptps_start(&sptps1, fd + 0, true, false, key1, key2, "sptps_speed", 11, send_data, receive_record);
sptps_start(&sptps2, fd + 1, false, false, key2, key1, "sptps_speed", 11, send_data, receive_record);
while(poll(pfd, 2, 0)) {
if(pfd[0].revents)
receive_data(&sptps1);
if(pfd[1].revents)
receive_data(&sptps2);
}
sptps_stop(&sptps1);
sptps_stop(&sptps2);
}
fprintf(stderr, "%10.2lf op/s\n", rate * 2);
// SPTPS data
sptps_start(&sptps1, fd + 0, true, false, key1, key2, "sptps_speed", 11, send_data, receive_record);
sptps_start(&sptps2, fd + 1, false, false, key2, key1, "sptps_speed", 11, send_data, receive_record);
while(poll(pfd, 2, 0)) {
if(pfd[0].revents)
receive_data(&sptps1);
if(pfd[1].revents)
receive_data(&sptps2);
}
fprintf(stderr, "SPTPS/TCP transmit for %lg seconds: ", duration);
for(clock_start(); clock_countto(duration);) {
if(!sptps_send_record(&sptps1, 0, buf1, 1451))
abort();
receive_data(&sptps2);
}
rate *= 2 * 1451 * 8;
if(rate > 1e9)
fprintf(stderr, "%14.2lf Gbit/s\n", rate / 1e9);
else if(rate > 1e6)
fprintf(stderr, "%14.2lf Mbit/s\n", rate / 1e6);
else if(rate > 1e3)
fprintf(stderr, "%14.2lf kbit/s\n", rate / 1e3);
sptps_stop(&sptps1);
sptps_stop(&sptps2);
// SPTPS datagram authentication phase
close(fd[0]);
close(fd[1]);
if(socketpair(AF_UNIX, SOCK_DGRAM, 0, fd)) {
fprintf(stderr, "Could not create a UNIX socket pair: %s\n", sockstrerror(sockerrno));
return 1;
}
fprintf(stderr, "SPTPS/UDP authenticate for %lg seconds: ", duration);
for(clock_start(); clock_countto(duration);) {
sptps_start(&sptps1, fd + 0, true, true, key1, key2, "sptps_speed", 11, send_data, receive_record);
sptps_start(&sptps2, fd + 1, false, true, key2, key1, "sptps_speed", 11, send_data, receive_record);
while(poll(pfd, 2, 0)) {
if(pfd[0].revents)
receive_data(&sptps1);
if(pfd[1].revents)
receive_data(&sptps2);
}
sptps_stop(&sptps1);
sptps_stop(&sptps2);
}
fprintf(stderr, "%10.2lf op/s\n", rate * 2);
// SPTPS datagram data
sptps_start(&sptps1, fd + 0, true, true, key1, key2, "sptps_speed", 11, send_data, receive_record);
sptps_start(&sptps2, fd + 1, false, true, key2, key1, "sptps_speed", 11, send_data, receive_record);
while(poll(pfd, 2, 0)) {
if(pfd[0].revents)
receive_data(&sptps1);
if(pfd[1].revents)
receive_data(&sptps2);
}
fprintf(stderr, "SPTPS/UDP transmit for %lg seconds: ", duration);
for(clock_start(); clock_countto(duration);) {
if(!sptps_send_record(&sptps1, 0, buf1, 1451))
abort();
receive_data(&sptps2);
}
rate *= 2 * 1451 * 8;
if(rate > 1e9)
fprintf(stderr, "%14.2lf Gbit/s\n", rate / 1e9);
else if(rate > 1e6)
fprintf(stderr, "%14.2lf Mbit/s\n", rate / 1e6);
else if(rate > 1e3)
fprintf(stderr, "%14.2lf kbit/s\n", rate / 1e3);
sptps_stop(&sptps1);
sptps_stop(&sptps2);
// Clean up
close(fd[0]);
close(fd[1]);
ecdsa_free(key1);
ecdsa_free(key2);
crypto_exit();
return 0;
}