int main(int argc, const char *argv[])
{
static bool is_daemon;
static bool opt_interactive;
static bool Fork = true;
static bool no_process_group;
static bool log_stdout;
poptContext pc;
char *p_lmhosts = NULL;
int opt;
enum {
OPT_DAEMON = 1000,
OPT_INTERACTIVE,
OPT_FORK,
OPT_NO_PROCESS_GROUP,
OPT_LOG_STDOUT
};
struct poptOption long_options[] = {
POPT_AUTOHELP
{"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon(default)" },
{"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)" },
{"foreground", 'F', POPT_ARG_NONE, NULL, OPT_FORK, "Run daemon in foreground (for daemontools & etc)" },
{"no-process-group", 0, POPT_ARG_NONE, NULL, OPT_NO_PROCESS_GROUP, "Don't create a new process group" },
{"log-stdout", 'S', POPT_ARG_NONE, NULL, OPT_LOG_STDOUT, "Log to stdout" },
{"hosts", 'H', POPT_ARG_STRING, &p_lmhosts, 0, "Load a netbios hosts file"},
{"port", 'p', POPT_ARG_INT, &global_nmb_port, 0, "Listen on the specified port" },
POPT_COMMON_SAMBA
{ NULL }
};
TALLOC_CTX *frame;
NTSTATUS status;
/*
* Do this before any other talloc operation
*/
talloc_enable_null_tracking();
frame = talloc_stackframe();
setup_logging(argv[0], DEBUG_DEFAULT_STDOUT);
load_case_tables();
global_nmb_port = NMB_PORT;
pc = poptGetContext("nmbd", argc, argv, long_options, 0);
while ((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
case OPT_DAEMON:
is_daemon = true;
break;
case OPT_INTERACTIVE:
opt_interactive = true;
break;
case OPT_FORK:
Fork = false;
break;
case OPT_NO_PROCESS_GROUP:
no_process_group = true;
break;
case OPT_LOG_STDOUT:
log_stdout = true;
break;
default:
d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
poptBadOption(pc, 0), poptStrerror(opt));
poptPrintUsage(pc, stderr, 0);
exit(1);
}
};
poptFreeContext(pc);
global_in_nmbd = true;
StartupTime = time(NULL);
sys_srandom(time(NULL) ^ sys_getpid());
if (!override_logfile) {
char *lfile = NULL;
if (asprintf(&lfile, "%s/log.nmbd", get_dyn_LOGFILEBASE()) < 0) {
exit(1);
}
lp_set_logfile(lfile);
SAFE_FREE(lfile);
}
fault_setup();
dump_core_setup("nmbd", lp_logfile());
/* POSIX demands that signals are inherited. If the invoking process has
* these signals masked, we will have problems, as we won't receive them. */
BlockSignals(False, SIGHUP);
BlockSignals(False, SIGUSR1);
BlockSignals(False, SIGTERM);
#if defined(SIGFPE)
/* we are never interested in SIGFPE */
BlockSignals(True,SIGFPE);
#endif
/* We no longer use USR2... */
#if defined(SIGUSR2)
BlockSignals(True, SIGUSR2);
#endif
if ( opt_interactive ) {
Fork = False;
log_stdout = True;
}
if ( log_stdout && Fork ) {
DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
exit(1);
}
if (log_stdout) {
setup_logging(argv[0], DEBUG_STDOUT);
} else {
setup_logging( argv[0], DEBUG_FILE);
}
reopen_logs();
DEBUG(0,("nmbd version %s started.\n", samba_version_string()));
DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));
if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
DEBUG(0, ("error opening config file '%s'\n", get_dyn_CONFIGFILE()));
exit(1);
}
if (nmbd_messaging_context() == NULL) {
return 1;
}
if ( !reload_nmbd_services(False) )
return(-1);
if(!init_names())
return -1;
reload_nmbd_services( True );
if (strequal(lp_workgroup(),"*")) {
DEBUG(0,("ERROR: a workgroup name of * is no longer supported\n"));
exit(1);
}
set_samba_nb_type();
if (!is_daemon && !is_a_socket(0)) {
DEBUG(0,("standard input is not a socket, assuming -D option\n"));
is_daemon = True;
}
if (is_daemon && !opt_interactive) {
DEBUG( 2, ( "Becoming a daemon.\n" ) );
become_daemon(Fork, no_process_group, log_stdout);
}
#if HAVE_SETPGID
/*
* If we're interactive we want to set our own process group for
* signal management.
*/
if (opt_interactive && !no_process_group)
setpgid( (pid_t)0, (pid_t)0 );
#endif
if (nmbd_messaging_context() == NULL) {
return 1;
}
#ifndef SYNC_DNS
/* Setup the async dns. We do it here so it doesn't have all the other
stuff initialised and thus chewing memory and sockets */
if(lp_we_are_a_wins_server() && lp_dns_proxy()) {
start_async_dns();
}
#endif
if (!directory_exist(lp_lockdir())) {
mkdir(lp_lockdir(), 0755);
}
pidfile_create("nmbd");
status = reinit_after_fork(nmbd_messaging_context(),
nmbd_event_context(),
procid_self(), false);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("reinit_after_fork() failed\n"));
exit(1);
}
if (!nmbd_setup_sig_term_handler())
exit(1);
if (!nmbd_setup_sig_hup_handler())
exit(1);
/* get broadcast messages */
if (!serverid_register(procid_self(),
FLAG_MSG_GENERAL |
FLAG_MSG_NMBD |
FLAG_MSG_DBWRAP)) {
DEBUG(1, ("Could not register myself in serverid.tdb\n"));
exit(1);
}
messaging_register(nmbd_messaging_context(), NULL,
MSG_FORCE_ELECTION, nmbd_message_election);
#if 0
/* Until winsrepl is done. */
messaging_register(nmbd_messaging_context(), NULL,
MSG_WINS_NEW_ENTRY, nmbd_wins_new_entry);
#endif
messaging_register(nmbd_messaging_context(), NULL,
MSG_SHUTDOWN, nmbd_terminate);
messaging_register(nmbd_messaging_context(), NULL,
MSG_SMB_CONF_UPDATED, msg_reload_nmbd_services);
messaging_register(nmbd_messaging_context(), NULL,
MSG_SEND_PACKET, msg_nmbd_send_packet);
TimeInit();
DEBUG( 3, ( "Opening sockets %d\n", global_nmb_port ) );
if ( !open_sockets( is_daemon, global_nmb_port ) ) {
kill_async_dns_child();
return 1;
}
/* Determine all the IP addresses we have. */
load_interfaces();
/* Create an nmbd subnet record for each of the above. */
if( False == create_subnets() ) {
DEBUG(0,("ERROR: Failed when creating subnet lists. Exiting.\n"));
kill_async_dns_child();
exit(1);
}
/* Load in any static local names. */
if (p_lmhosts) {
set_dyn_LMHOSTSFILE(p_lmhosts);
}
load_lmhosts_file(get_dyn_LMHOSTSFILE());
DEBUG(3,("Loaded hosts file %s\n", get_dyn_LMHOSTSFILE()));
/* If we are acting as a WINS server, initialise data structures. */
if( !initialise_wins() ) {
DEBUG( 0, ( "nmbd: Failed when initialising WINS server.\n" ) );
kill_async_dns_child();
exit(1);
}
/*
* Register nmbd primary workgroup and nmbd names on all
* the broadcast subnets, and on the WINS server (if specified).
* Also initiate the startup of our primary workgroup (start
* elections if we are setup as being able to be a local
* master browser.
*/
if( False == register_my_workgroup_and_names() ) {
DEBUG(0,("ERROR: Failed when creating my my workgroup. Exiting.\n"));
kill_async_dns_child();
exit(1);
}
if (!initialize_nmbd_proxy_logon()) {
DEBUG(0,("ERROR: Failed setup nmbd_proxy_logon.\n"));
kill_async_dns_child();
exit(1);
}
if (!nmbd_init_packet_server()) {
kill_async_dns_child();
exit(1);
}
TALLOC_FREE(frame);
process();
kill_async_dns_child();
return(0);
}
/**************************************************************************** **
main program
**************************************************************************** */
int main(int argc, const char *argv[])
{
pstring logfile;
static BOOL opt_interactive;
poptContext pc;
static char *p_lmhosts = dyn_LMHOSTSFILE;
static BOOL no_process_group = False;
struct poptOption long_options[] = {
POPT_AUTOHELP
{"daemon", 'D', POPT_ARG_VAL, &is_daemon, True, "Become a daemon(default)" },
{"interactive", 'i', POPT_ARG_VAL, &opt_interactive, True, "Run interactive (not a daemon)" },
{"foreground", 'F', POPT_ARG_VAL, &Fork, False, "Run daemon in foreground (for daemontools & etc)" },
{"no-process-group", 0, POPT_ARG_VAL, &no_process_group, True, "Don't create a new process group" },
{"log-stdout", 'S', POPT_ARG_VAL, &log_stdout, True, "Log to stdout" },
{"hosts", 'H', POPT_ARG_STRING, &p_lmhosts, 'H', "Load a netbios hosts file"},
{"port", 'p', POPT_ARG_INT, &global_nmb_port, NMB_PORT, "Listen on the specified port" },
POPT_COMMON_SAMBA
{ NULL }
};
load_case_tables();
global_nmb_port = NMB_PORT;
pc = poptGetContext("nmbd", argc, argv, long_options, 0);
while (poptGetNextOpt(pc) != -1) {};
poptFreeContext(pc);
global_in_nmbd = True;
StartupTime = time(NULL);
sys_srandom(time(NULL) ^ sys_getpid());
if (!override_logfile) {
slprintf(logfile, sizeof(logfile)-1, "%s/log.nmbd", dyn_LOGFILEBASE);
lp_set_logfile(logfile);
}
fault_setup((void (*)(void *))fault_continue );
dump_core_setup("nmbd");
/* POSIX demands that signals are inherited. If the invoking process has
* these signals masked, we will have problems, as we won't receive them. */
BlockSignals(False, SIGHUP);
BlockSignals(False, SIGUSR1);
BlockSignals(False, SIGTERM);
CatchSignal( SIGHUP, SIGNAL_CAST sig_hup );
CatchSignal( SIGTERM, SIGNAL_CAST sig_term );
#if defined(SIGFPE)
/* we are never interested in SIGFPE */
BlockSignals(True,SIGFPE);
#endif
/* We no longer use USR2... */
#if defined(SIGUSR2)
BlockSignals(True, SIGUSR2);
#endif
if ( opt_interactive ) {
Fork = False;
log_stdout = True;
}
if ( log_stdout && Fork ) {
DEBUG(0,("ERROR: Can't log to stdout (-S) unless daemon is in foreground (-F) or interactive (-i)\n"));
exit(1);
}
setup_logging( argv[0], log_stdout );
reopen_logs();
DEBUG( 0, ( "Netbios nameserver version %s started.\n", SAMBA_VERSION_STRING) );
DEBUGADD( 0, ( "%s\n", COPYRIGHT_STARTUP_MESSAGE ) );
if ( !reload_nmbd_services(False) )
return(-1);
if(!init_names())
return -1;
reload_nmbd_services( True );
if (strequal(lp_workgroup(),"*")) {
DEBUG(0,("ERROR: a workgroup name of * is no longer supported\n"));
exit(1);
}
set_samba_nb_type();
if (!is_daemon && !is_a_socket(0)) {
DEBUG(0,("standard input is not a socket, assuming -D option\n"));
is_daemon = True;
}
if (is_daemon && !opt_interactive) {
DEBUG( 2, ( "Becoming a daemon.\n" ) );
become_daemon(Fork, no_process_group);
}
#if HAVE_SETPGID
/*
* If we're interactive we want to set our own process group for
* signal management.
*/
if (opt_interactive && !no_process_group)
setpgid( (pid_t)0, (pid_t)0 );
#endif
#ifndef SYNC_DNS
/* Setup the async dns. We do it here so it doesn't have all the other
stuff initialised and thus chewing memory and sockets */
if(lp_we_are_a_wins_server() && lp_dns_proxy()) {
start_async_dns();
}
#endif
if (!directory_exist(lp_lockdir(), NULL)) {
mkdir(lp_lockdir(), 0755);
}
pidfile_create("nmbd");
message_init();
message_register(MSG_FORCE_ELECTION, nmbd_message_election, NULL);
#if 0
/* Until winsrepl is done. */
message_register(MSG_WINS_NEW_ENTRY, nmbd_wins_new_entry, NULL);
#endif
message_register(MSG_SHUTDOWN, nmbd_terminate, NULL);
message_register(MSG_SMB_CONF_UPDATED, msg_reload_nmbd_services, NULL);
message_register(MSG_SEND_PACKET, msg_nmbd_send_packet, NULL);
TimeInit();
DEBUG( 3, ( "Opening sockets %d\n", global_nmb_port ) );
if ( !open_sockets( is_daemon, global_nmb_port ) ) {
kill_async_dns_child();
return 1;
}
/* Determine all the IP addresses we have. */
load_interfaces();
/* Create an nmbd subnet record for each of the above. */
if( False == create_subnets() ) {
DEBUG(0,("ERROR: Failed when creating subnet lists. Exiting.\n"));
kill_async_dns_child();
exit(1);
}
/* Load in any static local names. */
load_lmhosts_file(p_lmhosts);
DEBUG(3,("Loaded hosts file %s\n", p_lmhosts));
/* If we are acting as a WINS server, initialise data structures. */
if( !initialise_wins() ) {
DEBUG( 0, ( "nmbd: Failed when initialising WINS server.\n" ) );
kill_async_dns_child();
exit(1);
}
/*
* Register nmbd primary workgroup and nmbd names on all
* the broadcast subnets, and on the WINS server (if specified).
* Also initiate the startup of our primary workgroup (start
* elections if we are setup as being able to be a local
* master browser.
*/
if( False == register_my_workgroup_and_names() ) {
DEBUG(0,("ERROR: Failed when creating my my workgroup. Exiting.\n"));
kill_async_dns_child();
exit(1);
}
/* We can only take signals in the select. */
BlockSignals( True, SIGTERM );
process();
if (dbf)
x_fclose(dbf);
kill_async_dns_child();
return(0);
}