int main(int argc, char *argv[])
{
char *password;
int port = DEFAULT_LISTEN_PORT;
parameters_t pars;
struct sched_param sched_par;
openlog("tcpconsole", LOG_CONS|LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_DAEMON);
if (getuid())
error_exit("This program must be invoked with root-rights.");
password = read_password("/etc/tcpconsole.pw");
if (signal(SIGTERM, SIG_IGN) == SIG_ERR)
error_exit("signal(SIGTERM) failed");
if (signal(SIGHUP, SIG_IGN) == SIG_ERR)
error_exit("signal(SIGHUP) failed");
pars.sysrq_fd = open_file("/proc/sysrq-trigger", O_WRONLY);
pars.vcsa0_fd = open_file("/dev/vcsa", O_RDONLY);
if (setpriority(PRIO_PROCESS, 0, -10) == -1)
error_exit("Setpriority failed");
if (nice(-20) == -1)
error_exit("Failed to set nice-value to -20");
if (mlockall(MCL_CURRENT) == -1 || mlockall(MCL_FUTURE) == -1)
error_exit("Failed to lock program in core");
memset(&sched_par, 0x00, sizeof(sched_par));
sched_par.sched_priority = sched_get_priority_max(SCHED_RR);
if (sched_setscheduler(0, SCHED_RR, &sched_par) == -1)
error_exit("Failed to set scheduler properties for this process");
syslog(LOG_INFO, "tcpconsole started");
write_pidfile("/var/run/tcpconsole.pid");
if ((pars.dmesg_buffer_size = klogctl(10, NULL, 0)) == -1)
error_exit("klogctl(10) failed");
pars.dmesg_buffer = (char *)malloc(pars.dmesg_buffer_size + 1);
if (!pars.dmesg_buffer)
error_exit("malloc failure");
listen_on_socket(port, &pars, password);
return 1;
}
connection *comm_connect(char *ipaddress, int connections) {
int i, port;
connection *conn;
if (in_thread == NULL) start_threads();
if (connections < 1) return NULL;
if (ipaddress == NULL) return NULL;
conn = (connection *) malloc(sizeof(connection));
conn->label = strdup(ipaddress);
conn->connected = 0;
conn->sockets = (out_socket *) malloc(connections * sizeof(out_socket));
conn->num_sockets = connections;
// setup the outgoing connections
for (i = 0; i < connections; i++) {
conn->sockets[i].fd = connect_to_socket(ipaddress, SOPHIA_PORT);
set_non_blocking(conn->sockets[i].fd);
pthread_mutex_init(&(conn->sockets[i].fd_lock), 0);
conn->sockets[i].backlog = 0;
conn->sockets[i].done = 0;
}
conn->connected = 1;
// setup the rget connection
conn->rget_settings.buffer = cbuf_new();
conn->rget_settings.client_fd = -1;
conn->rget_settings.server_fd = -1;
while( conn->rget_settings.server_fd < 0 ) {
port = randomise_port();
conn->rget_settings.server_fd = listen_on_socket(port);
}
// comm_send(conn, 1, "void", 1, NULL, NULL, "[RGetRegisterClient \"%d\" \"%s\"]", port, "10.0.0.12"); // REMOTE get_local_ip());
comm_send(conn, 1, "void", 1, NULL, NULL, "[RGetRegisterClient \"%d\" \"%s\"]", port, get_local_ip(conn->sockets[0].fd));
// wait to accept the rget connection
while (conn->rget_settings.client_fd < 0) { conn->rget_settings.client_fd = accept(conn->rget_settings.server_fd, NULL, 0); }
// add this connect to the inbound subsystem
comm_in_add(&(conn->rget_settings));
return conn;
}
