/*
* Use SMF error codes only on return or exit.
*/
int
main(int argc, char *argv[])
{
struct sigaction act;
sigset_t set;
uid_t uid;
int pfd = -1;
uint_t sigval;
struct rlimit rl;
int orig_limit;
smbd.s_pname = basename(argv[0]);
openlog(smbd.s_pname, LOG_PID | LOG_NOWAIT, LOG_DAEMON);
if (smbd_setup_options(argc, argv) != 0)
return (SMF_EXIT_ERR_FATAL);
if ((uid = getuid()) != smbd.s_uid) {
smbd_report("user %d: %s", uid, strerror(EPERM));
return (SMF_EXIT_ERR_FATAL);
}
if (getzoneid() != GLOBAL_ZONEID) {
smbd_report("non-global zones are not supported");
return (SMF_EXIT_ERR_FATAL);
}
if (is_system_labeled()) {
smbd_report("Trusted Extensions not supported");
return (SMF_EXIT_ERR_FATAL);
}
if (smbd_already_running())
return (SMF_EXIT_OK);
/*
* Raise the file descriptor limit to accommodate simultaneous user
* authentications/file access.
*/
if ((getrlimit(RLIMIT_NOFILE, &rl) == 0) &&
(rl.rlim_cur < rl.rlim_max)) {
orig_limit = rl.rlim_cur;
rl.rlim_cur = rl.rlim_max;
if (setrlimit(RLIMIT_NOFILE, &rl) != 0)
smbd_report("Failed to raise file descriptor limit"
" from %d to %d", orig_limit, rl.rlim_cur);
}
(void) sigfillset(&set);
(void) sigdelset(&set, SIGABRT);
(void) sigfillset(&act.sa_mask);
act.sa_handler = smbd_sig_handler;
act.sa_flags = 0;
(void) sigaction(SIGABRT, &act, NULL);
(void) sigaction(SIGTERM, &act, NULL);
(void) sigaction(SIGHUP, &act, NULL);
(void) sigaction(SIGINT, &act, NULL);
(void) sigaction(SIGPIPE, &act, NULL);
(void) sigaction(SIGUSR1, &act, NULL);
(void) sigdelset(&set, SIGTERM);
(void) sigdelset(&set, SIGHUP);
(void) sigdelset(&set, SIGINT);
(void) sigdelset(&set, SIGPIPE);
(void) sigdelset(&set, SIGUSR1);
if (smbd.s_fg) {
(void) sigdelset(&set, SIGTSTP);
(void) sigdelset(&set, SIGTTIN);
(void) sigdelset(&set, SIGTTOU);
if (smbd_service_init() != 0) {
smbd_report("service initialization failed");
exit(SMF_EXIT_ERR_FATAL);
}
} else {
/*
* "pfd" is a pipe descriptor -- any fatal errors
* during subsequent initialization of the child
* process should be written to this pipe and the
* parent will report this error as the exit status.
*/
pfd = smbd_daemonize_init();
if (smbd_service_init() != 0) {
smbd_report("daemon initialization failed");
exit(SMF_EXIT_ERR_FATAL);
}
smbd_daemonize_fini(pfd, SMF_EXIT_OK);
}
(void) atexit(smb_kmod_stop);
while (!smbd.s_shutting_down) {
if (smbd.s_sigval == 0 && smbd.s_refreshes == 0)
(void) sigsuspend(&set);
sigval = atomic_swap_uint(&smbd.s_sigval, 0);
switch (sigval) {
case 0:
case SIGPIPE:
case SIGABRT:
break;
case SIGHUP:
syslog(LOG_DEBUG, "refresh requested");
(void) pthread_cond_signal(&refresh_cond);
break;
case SIGUSR1:
smb_log_dumpall();
break;
default:
/*
* Typically SIGINT or SIGTERM.
*/
smbd.s_shutting_down = B_TRUE;
break;
}
}
smbd_service_fini();
closelog();
return ((smbd.s_fatal_error) ? SMF_EXIT_ERR_FATAL : SMF_EXIT_OK);
}
/*
* Use SMF error codes only on return or exit.
*/
int
main(int argc, char *argv[])
{
sigset_t set;
uid_t uid;
int pfd = -1;
int sigval;
struct rlimit rl;
int orig_limit;
#ifdef FKSMBD
fksmbd_init();
#endif
smbd.s_pname = basename(argv[0]);
openlog(smbd.s_pname, LOG_PID | LOG_NOWAIT, LOG_DAEMON);
if (smbd_setup_options(argc, argv) != 0)
return (SMF_EXIT_ERR_FATAL);
if ((uid = getuid()) != smbd.s_uid) {
#ifdef FKSMBD
/* Can't manipulate privileges in daemonize. */
if (smbd.s_fg == 0) {
smbd.s_fg = 1;
smbd_report("user %d (forced -f)", uid);
}
#else /* FKSMBD */
smbd_report("user %d: %s", uid, strerror(EPERM));
return (SMF_EXIT_ERR_FATAL);
#endif /* FKSMBD */
}
if (is_system_labeled()) {
smbd_report("Trusted Extensions not supported");
return (SMF_EXIT_ERR_FATAL);
}
if (smbd_already_running())
return (SMF_EXIT_OK);
/*
* Raise the file descriptor limit to accommodate simultaneous user
* authentications/file access.
*/
if ((getrlimit(RLIMIT_NOFILE, &rl) == 0) &&
(rl.rlim_cur < rl.rlim_max)) {
orig_limit = rl.rlim_cur;
rl.rlim_cur = rl.rlim_max;
if (setrlimit(RLIMIT_NOFILE, &rl) != 0)
smbd_report("Failed to raise file descriptor limit"
" from %d to %d", orig_limit, rl.rlim_cur);
}
/*
* Block async signals in all threads.
*/
(void) sigemptyset(&set);
(void) sigaddset(&set, SIGHUP);
(void) sigaddset(&set, SIGINT);
(void) sigaddset(&set, SIGQUIT);
(void) sigaddset(&set, SIGPIPE);
(void) sigaddset(&set, SIGTERM);
(void) sigaddset(&set, SIGUSR1);
(void) sigaddset(&set, SIGUSR2);
(void) sigprocmask(SIG_SETMASK, &set, NULL);
if (smbd.s_fg) {
if (smbd_service_init() != 0) {
smbd_report("service initialization failed");
exit(SMF_EXIT_ERR_FATAL);
}
} else {
/*
* "pfd" is a pipe descriptor -- any fatal errors
* during subsequent initialization of the child
* process should be written to this pipe and the
* parent will report this error as the exit status.
*/
pfd = smbd_daemonize_init();
if (smbd_service_init() != 0) {
smbd_report("daemon initialization failed");
exit(SMF_EXIT_ERR_FATAL);
}
smbd_daemonize_fini(pfd, SMF_EXIT_OK);
}
while (!smbd.s_shutting_down) {
sigval = sigwait(&set);
switch (sigval) {
case -1:
syslog(LOG_DEBUG, "sigwait failed: %s",
strerror(errno));
break;
case SIGPIPE:
break;
case SIGHUP:
syslog(LOG_DEBUG, "refresh requested");
smbd_refresh_handler();
break;
case SIGUSR1:
syslog(LOG_DEBUG, "SIGUSR1 ignored");
break;
default:
/*
* Typically SIGINT or SIGTERM.
*/
smbd.s_shutting_down = B_TRUE;
break;
}
}
/*
* Allow termination signals while shutting down.
*/
(void) sigemptyset(&set);
if (smbd.s_fg) {
(void) sigaddset(&set, SIGHUP);
(void) sigaddset(&set, SIGINT);
}
(void) sigaddset(&set, SIGTERM);
(void) sigprocmask(SIG_UNBLOCK, &set, NULL);
smbd_service_fini();
return ((smbd.s_fatal_error) ? SMF_EXIT_ERR_FATAL : SMF_EXIT_OK);
}