/* configuration-dependent initialization */
int main_configure(char *arg1, char *arg2) {
if(options_cmdline(arg1, arg2))
return 1;
options_apply();
str_canary_init(); /* needs prng initialization from options_cmdline */
#if !defined(USE_WIN32) && !defined(__vms)
/* syslog_open() must be called before change_root()
* to be able to access /dev/log socket */
syslog_open();
#endif /* !defined(USE_WIN32) && !defined(__vms) */
if(bind_ports())
return 1;
#ifdef HAVE_CHROOT
/* change_root() must be called before drop_privileges()
* since chroot() needs root privileges */
if(change_root())
return 1;
#endif /* HAVE_CHROOT */
if(drop_privileges(1))
return 1;
/* log_open() must be be called after drop_privileges()
* or logfile rotation won't be possible */
/* log_open() must be be called before daemonize()
* since daemonize() invalidates stderr */
if(log_open())
return 1;
#ifndef USE_FORK
num_clients=0; /* the first valid config */
#endif
return 0;
}
/* configuration-dependent initialization */
int main_configure(char *arg1, char *arg2) {
if(parse_commandline(arg1, arg2))
return 1;
str_canary_init(); /* needs prng initialization from parse_commandline */
#if !defined(USE_WIN32) && !defined(__vms)
/* syslog_open() must be called before change_root()
* to be able to access /dev/log socket */
syslog_open();
#endif /* !defined(USE_WIN32) && !defined(__vms) */
if(bind_ports())
return 1;
#ifdef HAVE_CHROOT
/* change_root() must be called before drop_privileges()
* since chroot() needs root privileges */
if(change_root())
return 1;
#endif /* HAVE_CHROOT */
#if !defined(USE_WIN32) && !defined(__vms) && !defined(USE_OS2)
if(drop_privileges(1))
return 1;
#endif /* standard Unix */
/* log_open() must be be called after drop_privileges()
* or logfile rotation won't be possible */
/* log_open() must be be called before daemonize()
* since daemonize() invalidates stderr */
log_open();
return 0;
}
int log_set_syslog(char *ip, int port, int facility, char *hostname, char *program)
{
int result = 0;
result = syslog_open(ip, port, facility, hostname, program);
if(result){
log_dst = LOG_DESTINATION_SYSLOG;
}
return result;
}
static void daemon_accept (int fd, fd_set socketfds, fd_set sslfds, int maxfd)
{
struct sockaddr_in addr;
socklen_t addrlen = sizeof (addr);
CLIENT *initclient;
int rc = -1;
rc = accept (fd, (struct sockaddr *)&addr, &addrlen);
if (rc < 0) return;
initclient = access_check (rc, addr);
// uint port = ntohs (addr.sin_port);
if (! initclient) {
close (rc);
return;
}
initclient->useSSL = FD_ISSET(fd, &sslfds);
initclient->ssl = NULL;
#if defined(_SC_NPROCESSORS_ONLN)
if ( cfg.CoreBind > 0 )
{
/* Select CPU core to bind to */
master->currcore++;
if ( master->currcore >= master->numcores )
master->currcore = 0;
initclient->numcore = master->currcore;
}
#endif
switch (fork ()) {
case 0:
syslog_open ("nntpswitchd", LOG_PID, LOG_NEWS);
for (int i = 0; i <= maxfd; i++) {
if (FD_ISSET (i, &socketfds))
close (i);
}
run_child (initclient);
syslog_close ();
_exit (0);
case -1:
info ("couldnt fork child %s", strerror (errno));
default:
if ( cfg.JSONACL == 1 && initclient->acl != NULL ) {
freehttpacl(initclient->acl);
}
close (rc);
}
}
void log_init(void)
{
regcomp(&pat_prio, "^<([0-9]*)>(.*)", REG_EXTENDED);
regcomp(&pat_tstamp, "^\[[ 0]*([0-9]*).([0-9]*)] (.*)", REG_EXTENDED);
if (log_buffer_init(log_size)) {
ERROR("Failed to allocate log memory\n");
exit(-1);
}
syslog_open();
klog_open();
openlog("sysinit", LOG_CONS, LOG_DAEMON);
}
void
log_init(int _log_size)
{
if (_log_size > 0)
log_size = _log_size;
regcomp(&pat_prio, "^<([0-9]*)>(.*)", REG_EXTENDED);
regcomp(&pat_tstamp, "^\[[ 0]*([0-9]*).([0-9]*)] (.*)", REG_EXTENDED);
if (log_buffer_init(log_size)) {
fprintf(stderr, "Failed to allocate log memory\n");
exit(-1);
}
syslog_open();
klog_open();
openlog("sysinit", LOG_CONS, LOG_DAEMON);
}
int main(int argc, char **argv)
{
int i, cur;
tgetopt(argc, argv);
if ( toptset('h') )
{
printf(usage, argv[0]);
exit(0);
}
if ( toptset('c') )
config_file = toptargs('c');
syslog_open("updategroups", LOG_PID, LOG_NEWS);
if ( (master = memmap(sizeof(MASTER))) == NULL )
die("Can't allocate master memory");
if ( (groups = memmap(sizeof(ACTIVE) * MAX_GROUPS)) == NULL )
die("Can't allocate groups memory");
loadconfig();
load_servers();
cur = -1;
for (i=master->numservers-2; i>=0; i-- )
if ( (master->lservers[i])->Level != cur )
{
cur = (master->lservers[i])->Level;
update_server( master->lservers[i] );
}
write_active();
write_newsgroups();
memunmap(master, sizeof(MASTER));
memunmap(groups, sizeof(ACTIVE) * MAX_GROUPS);
syslog_close();
exit(0);
}
int main (int argc, char *argv[])
{
syslog_open("nntpswitchd", LOG_PID, LOG_NEWS);
init_options(argc, argv);
init_sighandlers();
initproctitle(argc, argv);
if ((master = memmap(sizeof (MASTER))) == NULL)
die("Can't allocate master memory");
info("Server starting up..");
run_daemon();
syslog_close();
return 0;
}
/* This is the daemon's main work - listen for connections and spawn. */
static void run_daemon (void)
{
pid_t pid;
fd_set serverfds;
fd_set sslrds;
int maxfd;
loadconfig ();
init_sockets (&serverfds, &sslrds, &maxfd);
if (cfg.EnableSSL)
ssl_init();
curl_global_init(CURL_GLOBAL_ALL);
curl = curl_easy_init();
if ( !curl ) {
syslog(LOG_ERR, "curlGetURL: cant initialize curl!");
return;
}
if (! test_only) {
writepidfile ();
if (getuid () == 0) {
struct passwd *pwent;
if ((pwent = getpwnam (cfg.RunAsUser)) == NULL)
die ("Unknown user %s, check configuration", cfg.RunAsUser);
if (setuid (pwent->pw_uid))
die ("Cant setuid %s", cfg.RunAsUser);
}
errno = 0;
}
daemon_chdir ();
load_servers();
loadactive();
loadoverviewfmt();
load_access_conf();
load_statsfile();
// init_cache();
master->serverstart = time (NULL);
master->nrforks = 0;
#if defined(_SC_NPROCESSORS_ONLN)
master->numcores = sysconf(_SC_NPROCESSORS_ONLN);
info("Found %d CPU cores", master->numcores);
#else
info("No CPU core binding support");
#endif
if ((master->semid = semlock_init (MASTER_SEMKEY)) == -1)
die ("semlock_init: semget failed: %m");
if (test_only) {
info ("Startup Test Successfull, Exiting..");
syslog_close ();
exit (0);
}
info ("NNTP Server Starting..");
if (!opt_stay) {
syslog_close ();
pid = init_daemon (serverfds);
syslog_open ("nntpswitchd", LOG_PID, LOG_NEWS);
if (pid < 0) die ("Can't fork");
/* 2nd time, with the right pid, as user news */
writepidfile ();
}
// start the timer process for statistics
if ( cfg.StatsFilePeriod > 0 )
timerpid = run_timer_loop();
info("Server running new pid %d uid %d euid %d timerpid %d"
, (int)getpid(), (int)getuid(), (int)geteuid(), (int)timerpid);
setproctitle("nntpswitchd: waiting for connections");
daemon_select_loop (serverfds, sslrds, maxfd);
}
