Exemplo n.º 1
0
static BOOL reload_services_file(void)
{
	BOOL ret;

	if (lp_loaded()) {
		pstring fname;

		pstrcpy(fname,lp_configfile());
		if (file_exist(fname,NULL) && !strcsequal(fname,dyn_CONFIGFILE)) {
			pstrcpy(dyn_CONFIGFILE,fname);
		}
	}

	reopen_logs();
	ret = lp_load(dyn_CONFIGFILE,False,False,True);

	reopen_logs();
	load_interfaces();

	return(ret);
}
Exemplo n.º 2
0
static void msg_reload_nmbd_services(struct messaging_context *msg,
				     void *private_data,
				     uint32_t msg_type,
				     struct server_id server_id,
				     DATA_BLOB *data)
{
	write_browse_list( 0, True );
	dump_all_namelists();
	reload_nmbd_services( True );
	reopen_logs();
	reload_interfaces(0);
}
Exemplo n.º 3
0
static void msg_reload_nmbd_services(int msg_type, struct process_id src,
				     void *buf, size_t len, void *private_data)
{
	write_browse_list( 0, True );
	dump_all_namelists();
	reload_nmbd_services( True );
	reopen_logs();
	
	if(buf) {
		/* We were called from process() */
		/* If reload_interfaces() returned True */
		/* we need to shutdown if there are no subnets... */
		/* pass this info back to process() */
		*((BOOL*)buf) = reload_interfaces(0);  
	}
}
Exemplo n.º 4
0
static void mdssd_sig_hup_handler(struct tevent_context *ev,
				  struct tevent_signal *se,
				  int signum,
				  int count,
				  void *siginfo,
				  void *pvt)
{

	change_to_root_user();
	lp_load_global(get_dyn_CONFIGFILE());

	reopen_logs();
	pfh_daemon_config(DAEMON_NAME,
			  &pf_mdssd_cfg,
			  &default_pf_mdssd_cfg);

	/* relay to all children */
	prefork_send_signal_to_all(mdssd_pool, SIGHUP);
}
Exemplo n.º 5
0
static void spoolss_reopen_logs(int child_id)
{
	char *lfile = lp_logfile(talloc_tos());
	char *ext;
	int rc;

	if (child_id) {
		rc = asprintf(&ext, "%s.%d", DAEMON_NAME, child_id);
	} else {
		rc = asprintf(&ext, "%s", DAEMON_NAME);
	}

	if (rc == -1) {
		return;
	}

	rc = 0;
	if (lfile == NULL || lfile[0] == '\0') {
		rc = asprintf(&lfile, "%s/log.%s",
			      get_dyn_LOGFILEBASE(), ext);
	} else {
		if (strstr(lfile, ext) == NULL) {
			if (child_id) {
				rc = asprintf(&lfile, "%s.%d",
					      lp_logfile(talloc_tos()),
					      child_id);
			} else {
				rc = asprintf(&lfile, "%s.%s",
					      lp_logfile(talloc_tos()),
					      ext);
			}
		}
	}

	if (rc > 0) {
		lp_set_logfile(lfile);
		SAFE_FREE(lfile);
	}

	SAFE_FREE(ext);

	reopen_logs();
}
Exemplo n.º 6
0
static bool mdssd_child_init(struct tevent_context *ev_ctx,
			     int child_id,
			     struct pf_worker_data *pf)
{
	NTSTATUS status;
	struct messaging_context *msg_ctx = server_messaging_context();
	bool ok;

	status = reinit_after_fork(msg_ctx, ev_ctx,
				   true, "mdssd-child");
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("reinit_after_fork() failed\n"));
		smb_panic("reinit_after_fork() failed");
	}

	mdssd_child_id = child_id;
	reopen_logs();

	ok = mdssd_setup_chld_hup_handler(ev_ctx);
	if (!ok) {
		return false;
	}

	if (!serverid_register(messaging_server_id(msg_ctx),
			       FLAG_MSG_GENERAL)) {
		return false;
	}

	messaging_register(msg_ctx, ev_ctx,
			   MSG_SMB_CONF_UPDATED, mdssd_smb_conf_updated);
	messaging_register(msg_ctx, ev_ctx,
			   MSG_PREFORK_PARENT_EVENT, parent_ping);

	status = rpc_mdssvc_init(NULL);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0, ("Failed to intialize RPC: %s\n",
			  nt_errstr(status)));
		return false;
	}

	return true;
}
Exemplo n.º 7
0
static void mdssd_smb_conf_updated(struct messaging_context *msg,
				   void *private_data,
				   uint32_t msg_type,
				   struct server_id server_id,
				   DATA_BLOB *data)
{
	struct tevent_context *ev_ctx;

	DEBUG(10, ("Got message saying smb.conf was updated. Reloading.\n"));
	ev_ctx = talloc_get_type_abort(private_data, struct tevent_context);

	change_to_root_user();
	lp_load_global(get_dyn_CONFIGFILE());

	reopen_logs();
	if (mdssd_child_id == 0) {
		pfh_daemon_config(DAEMON_NAME,
				  &pf_mdssd_cfg,
				  &default_pf_mdssd_cfg);
		pfh_manage_pool(ev_ctx, msg, &pf_mdssd_cfg, mdssd_pool);
	}
}
Exemplo n.º 8
0
NET_API_STATUS libnetapi_init(struct libnetapi_ctx **context)
{
	NET_API_STATUS ret;
	TALLOC_CTX *frame;
	if (stat_ctx && libnetapi_initialized) {
		*context = stat_ctx;
		return NET_API_STATUS_SUCCESS;
	}

#if 0
	talloc_enable_leak_report();
#endif
	frame = talloc_stackframe();

	/* Case tables must be loaded before any string comparisons occour */
	load_case_tables_library();

	/* When libnetapi is invoked from an application, it does not
	 * want to be swamped with level 10 debug messages, even if
	 * this has been set for the server in smb.conf */
	lp_set_cmdline("log level", "0");
	setup_logging("libnetapi", DEBUG_STDERR);

	if (!lp_load(get_dyn_CONFIGFILE(), true, false, false, true)) {
		TALLOC_FREE(frame);
		fprintf(stderr, "error loading %s\n", get_dyn_CONFIGFILE() );
		return W_ERROR_V(WERR_GENERAL_FAILURE);
	}

	init_names();
	load_interfaces();
	reopen_logs();

	BlockSignals(True, SIGPIPE);

	ret = libnetapi_net_init(context);
	TALLOC_FREE(frame);
	return ret;
}
Exemplo n.º 9
0
Arquivo: epmd.c Projeto: sprymak/samba
static void epmd_reopen_logs(void)
{
	char *lfile = lp_logfile();
	int rc;

	if (lfile == NULL || lfile[0] == '\0') {
		rc = asprintf(&lfile, "%s/log.%s", get_dyn_LOGFILEBASE(), DAEMON_NAME);
		if (rc > 0) {
			lp_set_logfile(lfile);
			SAFE_FREE(lfile);
		}
	} else {
		if (strstr(lfile, DAEMON_NAME) == NULL) {
			rc = asprintf(&lfile, "%s.%s", lp_logfile(), DAEMON_NAME);
			if (rc > 0) {
				lp_set_logfile(lfile);
				SAFE_FREE(lfile);
			}
		}
	}

	reopen_logs();
}
Exemplo n.º 10
0
/** Handle events that may need handling.
 * This routine is polled from bsd.c. At any call, it can handle
 * the HUP and USR1 signals. At calls that are 'on the second',
 * it goes on to perform regular every-second processing and to
 * check whether it's time to do other periodic processes like
 * purge, dump, or inactivity checks.
 */
void
dispatch(void)
{
  static int idle_counter = 0;
  struct module_entry_t *m;
  void (*handle)(void);

  /* A HUP reloads configuration and reopens logs */
  if (hup_triggered) {
    do_rawlog(LT_ERR, T("SIGHUP received: reloading .txt and .cnf files"));
    config_file_startup(NULL, 0);
    config_file_startup(NULL, 1);
    fcache_load(NOTHING);
    help_reindex(NOTHING);
    read_access_file();
    reopen_logs();
    hup_triggered = 0;
  }
  /* A USR1 does a shutdown/reboot */
  if (usr1_triggered) {
    do_reboot(NOTHING, 0);      /* We don't return from this */
    usr1_triggered = 0;         /* But just in case */
  }
  if (!globals.on_second)
    return;
  globals.on_second = 0;

  mudtime = time(NULL);

  do_second();

  migrate_stuff(CHUNK_MIGRATE_AMOUNT);

  if (options.purge_counter <= mudtime) {
    /* Free list reconstruction */
    options.purge_counter = options.purge_interval + mudtime;
    global_eval_context.cplr = NOTHING;
    strcpy(global_eval_context.ccom, "purge");
    purge();
    strcpy(global_eval_context.ccom, "");
  }

  if (options.dbck_counter <= mudtime) {
    /* Database consistency check */
    options.dbck_counter = options.dbck_interval + mudtime;
    global_eval_context.cplr = NOTHING;
    strcpy(global_eval_context.ccom, "dbck");
    dbck();
    strcpy(global_eval_context.ccom, "");
  }

  if (idle_counter <= mudtime) {
    /* Inactivity check */
    idle_counter = 30 + mudtime;
    inactivity_check();
  }

  /* Database dump routines */
  if (options.dump_counter <= mudtime) {
    log_mem_check();
    options.dump_counter = options.dump_interval + mudtime;
    global_eval_context.cplr = NOTHING;
    strcpy(global_eval_context.ccom, "dump");
    fork_and_dump(1);
    strcpy(global_eval_context.ccom, "");
    flag_broadcast(0, "ON-VACATION", "%s",
                   T
                   ("Your ON-VACATION flag is set! If you're back, clear it."));
  } else if (NO_FORK &&
             (options.dump_counter - 60 == mudtime) &&
             *options.dump_warning_1min) {
    flag_broadcast(0, 0, "%s", options.dump_warning_1min);
  } else if (NO_FORK &&
             (options.dump_counter - 300 == mudtime) &&
             *options.dump_warning_5min) {
    flag_broadcast(0, 0, "%s", options.dump_warning_5min);
  }
  if (options.warn_interval && (options.warn_counter <= mudtime)) {
    options.warn_counter = options.warn_interval + mudtime;
    global_eval_context.cplr = NOTHING;
    strcpy(global_eval_context.ccom, "warnings");
    run_topology();
    strcpy(global_eval_context.ccom, "");
  }
#ifdef MUSHCRON
  if((mudtime % 60) == 0)
    run_cron(); /* Run the MUSH Cron Daemon */
#endif /* MUSHCRON */
#ifdef _SWMP_
  sql_timer();
#endif
#ifdef RPMODE_SYS 
  rplog_reset();
#endif

  /* Replacement for local_timer */
  MODULE_ITER(m)
    MODULE_FUNC_NOARGS(handle, m->handle, "module_timer");
}
Exemplo n.º 11
0
int main(int argc, char **argv)
{
	pstring logfile;
	static BOOL interactive = False;
	static BOOL Fork = True;
	static BOOL log_stdout = False;
	struct poptOption long_options[] = {
		POPT_AUTOHELP
		{ "stdout", 'S', POPT_ARG_VAL, &log_stdout, True, "Log to stdout" },
		{ "foreground", 'F', POPT_ARG_VAL, &Fork, False, "Daemon in foreground mode" },
		{ "interactive", 'i', POPT_ARG_NONE, NULL, 'i', "Interactive mode" },
		{ "single-daemon", 'Y', POPT_ARG_VAL, &opt_dual_daemon, False, "Single daemon mode" },
		{ "no-caching", 'n', POPT_ARG_VAL, &opt_nocache, True, "Disable caching" },
		POPT_COMMON_SAMBA
		POPT_TABLEEND
	};
	poptContext pc;
	int opt;

	/* glibc (?) likes to print "User defined signal 1" and exit if a
	   SIGUSR[12] is received before a handler is installed */

 	CatchSignal(SIGUSR1, SIG_IGN);
 	CatchSignal(SIGUSR2, SIG_IGN);

	fault_setup((void (*)(void *))fault_quit );

	/* Initialise for running in non-root mode */

	sec_init();

	set_remote_machine_name("winbindd", False);

	/* Set environment variable so we don't recursively call ourselves.
	   This may also be useful interactively. */

	setenv(WINBINDD_DONT_ENV, "1", 1);

	/* Initialise samba/rpc client stuff */

	pc = poptGetContext("winbindd", argc, (const char **)argv, long_options,
						POPT_CONTEXT_KEEP_FIRST);

	while ((opt = poptGetNextOpt(pc)) != -1) {
		switch (opt) {
			/* Don't become a daemon */
		case 'i':
			interactive = True;
			log_stdout = True;
			Fork = False;
			break;
		}
	}


	if (log_stdout && Fork) {
		printf("Can't log to stdout (-S) unless daemon is in foreground +(-F) or interactive (-i)\n");
		poptPrintUsage(pc, stderr, 0);
		exit(1);
	}

	pstr_sprintf(logfile, "%s/log.winbindd", dyn_LOGFILEBASE);
	lp_set_logfile(logfile);
	setup_logging("winbindd", log_stdout);
	reopen_logs();

	DEBUG(1, ("winbindd version %s started.\n", SAMBA_VERSION_STRING) );
	DEBUGADD( 1, ( "Copyright The Samba Team 2000-2004\n" ) );

	if (!reload_services_file()) {
		DEBUG(0, ("error opening config file\n"));
		exit(1);
	}

	/* Setup names. */

	if (!init_names())
		exit(1);

  	load_interfaces();

	if (!secrets_init()) {

		DEBUG(0,("Could not initialize domain trust account secrets. Giving up\n"));
		return False;
	}

	/* Enable netbios namecache */

	namecache_enable();

	/* Check winbindd parameters are valid */

	ZERO_STRUCT(server_state);

	/* Winbind daemon initialisation */

	if ( (!winbindd_param_init()) || (!winbindd_upgrade_idmap()) ||
	     (!idmap_init(lp_idmap_backend())) ) {
		DEBUG(1, ("Could not init idmap -- netlogon proxy only\n"));
		idmap_proxyonly();
	}

	generate_wellknown_sids();

	/* Unblock all signals we are interested in as they may have been
	   blocked by the parent process. */

	BlockSignals(False, SIGINT);
	BlockSignals(False, SIGQUIT);
	BlockSignals(False, SIGTERM);
	BlockSignals(False, SIGUSR1);
	BlockSignals(False, SIGUSR2);
	BlockSignals(False, SIGHUP);
	BlockSignals(False, SIGCHLD);

	/* Setup signal handlers */
	
	CatchSignal(SIGINT, termination_handler);      /* Exit on these sigs */
	CatchSignal(SIGQUIT, termination_handler);
	CatchSignal(SIGTERM, termination_handler);
	CatchSignal(SIGCHLD, sigchld_handler);

	CatchSignal(SIGPIPE, SIG_IGN);                 /* Ignore sigpipe */

	CatchSignal(SIGUSR2, sigusr2_handler);         /* Debugging sigs */
	CatchSignal(SIGHUP, sighup_handler);

	if (!interactive)
		become_daemon(Fork);

	pidfile_create("winbindd");

#if HAVE_SETPGID
	/*
	 * If we're interactive we want to set our own process group for
	 * signal management.
	 */
	if (interactive)
		setpgid( (pid_t)0, (pid_t)0);
#endif

	if (opt_dual_daemon) {
		do_dual_daemon();
	}

	/* Initialise messaging system */

	if (!message_init()) {
		DEBUG(0, ("unable to initialise messaging system\n"));
		exit(1);
	}
	
	/* React on 'smbcontrol winbindd reload-config' in the same way
	   as to SIGHUP signal */
	message_register(MSG_SMB_CONF_UPDATED, msg_reload_services);
	message_register(MSG_SHUTDOWN, msg_shutdown);
	
	poptFreeContext(pc);

	netsamlogon_cache_init(); /* Non-critical */
	
	init_domain_list();

	/* Loop waiting for requests */

	process_loop();

	trustdom_cache_shutdown();

	return 0;
}
Exemplo n.º 12
0
int main (int argc, char **argv) {
  signal (SIGSEGV, termination_signal_handler);
  signal (SIGABRT, termination_signal_handler);
  signal (SIGBUS, termination_signal_handler);
  signal (SIGQUIT, termination_signal_handler);
  signal (SIGFPE, termination_signal_handler);

  signal (SIGPIPE, SIG_IGN);
  
  signal (SIGTERM, sig_term_handler);
  signal (SIGINT, sig_term_handler);

  rl_catch_signals = 0;


  log_level = 10;
  
  args_parse (argc, argv);
  
  change_user_group ();

  if (port > 0) {
    struct sockaddr_in serv_addr;
    int yes = 1;
    sfd = socket (AF_INET, SOCK_STREAM, 0);
    if (sfd < 0) {
      perror ("socket");
      exit(1);
    }

    if(setsockopt(sfd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)) < 0) {
      perror("setsockopt");
      exit(1);
    }
    memset (&serv_addr, 0, sizeof (serv_addr));
    
    serv_addr.sin_family = AF_INET;
    serv_addr.sin_addr.s_addr = accept_any_tcp ? INADDR_ANY : htonl (0x7f000001);
    serv_addr.sin_port = htons (port);
 
    if (bind (sfd, (struct sockaddr *) &serv_addr, sizeof (serv_addr)) < 0) {
      perror ("bind");
      exit(1);
    }

    listen (sfd, 5);
  } else {
    sfd = -1;
  }
  
  if (unix_socket) {
    assert (strlen (unix_socket) < 100);
    struct sockaddr_un serv_addr;

    usfd = socket (AF_UNIX, SOCK_STREAM, 0);
    if (usfd < 0) {
      perror ("socket");
      exit(1);
    }

    memset (&serv_addr, 0, sizeof (serv_addr));
    
    serv_addr.sun_family = AF_UNIX;

    snprintf (serv_addr.sun_path, sizeof(serv_addr.sun_path), "%s", unix_socket);
 
    if (bind (usfd, (struct sockaddr *) &serv_addr, sizeof (serv_addr)) < 0) {
      perror ("bind");
      exit(1);
    }

    listen (usfd, 5);    
  } else {
    usfd = -1;
  }

  if (daemonize) {
    signal (SIGHUP, sighup_handler);
    reopen_logs ();
  }
  signal (SIGUSR1, sigusr1_handler);

  if (!disable_output) {
    printf (
      "Telegram-cli version " TELEGRAM_CLI_VERSION ", Copyright (C) 2013-2015 Vitaly Valtman\n"
      "Telegram-cli comes with ABSOLUTELY NO WARRANTY; for details type `show_license'.\n"
      "This is free software, and you are welcome to redistribute it\n"
      "under certain conditions; type `show_license' for details.\n"
      "Telegram-cli uses libtgl version " TGL_VERSION "\n"
#ifndef TGL_AVOID_OPENSSL 
      "Telegram-cli includes software developed by the OpenSSL Project\n"
      "for use in the OpenSSL Toolkit. (http://www.openssl.org/)\n"
#endif
#ifdef USE_PYTHON
      "Telegram-cli uses libpython version " PY_VERSION "\n"
#endif
    );
  }
  running_for_first_time ();
  parse_config ();

  #ifdef __FreeBSD__
  tgl_set_rsa_key (TLS, "/usr/local/etc/" PROG_NAME "/server.pub");
  #else
  tgl_set_rsa_key (TLS, "/etc/" PROG_NAME "/server.pub");
  #endif
  tgl_set_rsa_key (TLS, "tg-server.pub");

  tgl_set_rsa_key_direct (TLS, tglmp_get_default_e (), tglmp_get_default_key_len (), tglmp_get_default_key ());

  get_terminal_attributes ();

  #ifdef USE_LUA
  if (lua_file) {
    lua_init (lua_file, lua_param);
  }
  #endif
  #ifdef USE_PYTHON
  if (python_file) {
    py_init (python_file);
  }
  #endif


  inner_main ();
  
  return 0;
}
Exemplo n.º 13
0
 int main(int argc,const char *argv[])
{
	/* shall I run as a daemon */
	bool is_daemon = false;
	bool interactive = false;
	bool Fork = true;
	bool no_process_group = false;
	bool log_stdout = false;
	char *ports = NULL;
	char *profile_level = NULL;
	int opt;
	poptContext pc;
	bool print_build_options = False;
        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" },
	{"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
	{"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
	{"profiling-level", 'P', POPT_ARG_STRING, &profile_level, 0, "Set profiling level","PROFILE_LEVEL"},
	POPT_COMMON_SAMBA
	POPT_COMMON_DYNCONFIG
	POPT_TABLEEND
	};
	struct smbd_parent_context *parent = NULL;
	TALLOC_CTX *frame;
	NTSTATUS status;
	uint64_t unique_id;
	struct tevent_context *ev_ctx;
	struct messaging_context *msg_ctx;

	/*
	 * Do this before any other talloc operation
	 */
	talloc_enable_null_tracking();
	frame = talloc_stackframe();

	setup_logging(argv[0], DEBUG_DEFAULT_STDOUT);

	load_case_tables();

	smbd_init_globals();

	TimeInit();

#ifdef HAVE_SET_AUTH_PARAMETERS
	set_auth_parameters(argc,argv);
#endif

	pc = poptGetContext("smbd", argc, argv, long_options, 0);
	while((opt = poptGetNextOpt(pc)) != -1) {
		switch (opt)  {
		case OPT_DAEMON:
			is_daemon = true;
			break;
		case OPT_INTERACTIVE:
			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;
		case 'b':
			print_build_options = 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);

	if (interactive) {
		Fork = False;
		log_stdout = True;
	}

	if (log_stdout) {
		setup_logging(argv[0], DEBUG_STDOUT);
	} else {
		setup_logging(argv[0], DEBUG_FILE);
	}

	if (print_build_options) {
		build_options(True); /* Display output to screen as well as debug */
		exit(0);
	}

#ifdef HAVE_SETLUID
	/* needed for SecureWare on SCO */
	setluid(0);
#endif

	set_remote_machine_name("smbd", False);

	if (interactive && (DEBUGLEVEL >= 9)) {
		talloc_enable_leak_report();
	}

	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);
	}

	/* we want to re-seed early to prevent time delays causing
           client problems at a later date. (tridge) */
	generate_random_buffer(NULL, 0);

	/* get initial effective uid and gid */
	sec_init();

	/* make absolutely sure we run as root - to handle cases where people
	   are crazy enough to have it setuid */
	gain_root_privilege();
	gain_root_group_privilege();

	fault_setup();
	dump_core_setup("smbd", lp_logfile());

	/* we are never interested in SIGPIPE */
	BlockSignals(True,SIGPIPE);

#if defined(SIGFPE)
	/* we are never interested in SIGFPE */
	BlockSignals(True,SIGFPE);
#endif

#if defined(SIGUSR2)
	/* We are no longer interested in USR2 */
	BlockSignals(True,SIGUSR2);
#endif

	/* POSIX demands that signals are inherited. If the invoking process has
	 * these signals masked, we will have problems, as we won't recieve them. */
	BlockSignals(False, SIGHUP);
	BlockSignals(False, SIGUSR1);
	BlockSignals(False, SIGTERM);

	/* Ensure we leave no zombies until we
	 * correctly set up child handling below. */

	CatchChild();

	/* we want total control over the permissions on created files,
	   so set our umask to 0 */
	umask(0);

	reopen_logs();

	DEBUG(0,("smbd version %s started.\n", samba_version_string()));
	DEBUGADD(0,("%s\n", COPYRIGHT_STARTUP_MESSAGE));

	DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
		 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));

	/* Output the build options to the debug log */ 
	build_options(False);

	if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
		DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
		exit(1);
	}

	if (!lp_load_initial_only(get_dyn_CONFIGFILE())) {
		DEBUG(0, ("error opening config file '%s'\n", get_dyn_CONFIGFILE()));
		exit(1);
	}

	/* Init the security context and global current_user */
	init_sec_ctx();

	/*
	 * Initialize the event context. The event context needs to be
	 * initialized before the messaging context, cause the messaging
	 * context holds an event context.
	 * FIXME: This should be s3_tevent_context_init()
	 */
	ev_ctx = server_event_context();
	if (ev_ctx == NULL) {
		exit(1);
	}

	/*
	 * Init the messaging context
	 * FIXME: This should only call messaging_init()
	 */
	msg_ctx = server_messaging_context();
	if (msg_ctx == NULL) {
		exit(1);
	}

	/*
	 * Reloading of the printers will not work here as we don't have a
	 * server info and rpc services set up. It will be called later.
	 */
	if (!reload_services(NULL, -1, False)) {
		exit(1);
	}

	/* ...NOTE... Log files are working from this point! */

	DEBUG(3,("loaded services\n"));

	init_structs();

#ifdef WITH_PROFILE
	if (!profile_setup(msg_ctx, False)) {
		DEBUG(0,("ERROR: failed to setup profiling\n"));
		return -1;
	}
	if (profile_level != NULL) {
		int pl = atoi(profile_level);
		struct server_id src;

		DEBUG(1, ("setting profiling level: %s\n",profile_level));
		src.pid = getpid();
		set_profile_level(pl, src);
	}
#endif

	if (!is_daemon && !is_a_socket(0)) {
		if (!interactive)
			DEBUG(0,("standard input is not a socket, assuming -D option\n"));

		/*
		 * Setting is_daemon here prevents us from eventually calling
		 * the open_sockets_inetd()
		 */

		is_daemon = True;
	}

	if (is_daemon && !interactive) {
		DEBUG( 3, ( "Becoming a daemon.\n" ) );
		become_daemon(Fork, no_process_group, log_stdout);
	}

        generate_random_buffer((uint8_t *)&unique_id, sizeof(unique_id));
        set_my_unique_id(unique_id);

#if HAVE_SETPGID
	/*
	 * If we're interactive we want to set our own process group for
	 * signal management.
	 */
	if (interactive && !no_process_group)
		setpgid( (pid_t)0, (pid_t)0);
#endif

	if (!directory_exist(lp_lockdir()))
		mkdir(lp_lockdir(), 0755);

	if (is_daemon)
		pidfile_create("smbd");

	status = reinit_after_fork(msg_ctx,
				   ev_ctx,
				   procid_self(), false);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("reinit_after_fork() failed\n"));
		exit(1);
	}

	smbd_server_conn->msg_ctx = msg_ctx;

	smbd_setup_sig_term_handler();
	smbd_setup_sig_hup_handler(ev_ctx,
				   msg_ctx);

	/* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */

	if (smbd_memcache() == NULL) {
		exit(1);
	}

	memcache_set_global(smbd_memcache());

	/* Initialise the password backed before the global_sam_sid
	   to ensure that we fetch from ldap before we make a domain sid up */

	if(!initialize_password_db(false, ev_ctx))
		exit(1);

	if (!secrets_init()) {
		DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
		exit(1);
	}

	if (lp_server_role() == ROLE_DOMAIN_BDC || lp_server_role() == ROLE_DOMAIN_PDC) {
		struct loadparm_context *lp_ctx = loadparm_init_s3(NULL, loadparm_s3_context());
		if (!open_schannel_session_store(NULL, lp_ctx)) {
			DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
			exit(1);
		}
		TALLOC_FREE(lp_ctx);
	}

	if(!get_global_sam_sid()) {
		DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
		exit(1);
	}

	if (!sessionid_init()) {
		exit(1);
	}

	if (!connections_init(True))
		exit(1);

	if (!locking_init())
		exit(1);

	if (!messaging_tdb_parent_init(ev_ctx)) {
		exit(1);
	}

	if (!notify_internal_parent_init(ev_ctx)) {
		exit(1);
	}

	if (!serverid_parent_init(ev_ctx)) {
		exit(1);
	}

	if (!W_ERROR_IS_OK(registry_init_full()))
		exit(1);

	/* Open the share_info.tdb here, so we don't have to open
	   after the fork on every single connection.  This is a small
	   performance improvment and reduces the total number of system
	   fds used. */
	if (!share_info_db_init()) {
		DEBUG(0,("ERROR: failed to load share info db.\n"));
		exit(1);
	}

	status = init_system_info();
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(1, ("ERROR: failed to setup system user info: %s.\n",
			  nt_errstr(status)));
		return -1;
	}

	if (!init_guest_info()) {
		DEBUG(0,("ERROR: failed to setup guest info.\n"));
		return -1;
	}

	if (!file_init(smbd_server_conn)) {
		DEBUG(0, ("ERROR: file_init failed\n"));
		return -1;
	}

	/* This MUST be done before start_epmd() because otherwise
	 * start_epmd() forks and races against dcesrv_ep_setup() to
	 * call directory_create_or_exist() */
	if (!directory_create_or_exist(lp_ncalrpc_dir(), geteuid(), 0755)) {
		DEBUG(0, ("Failed to create pipe directory %s - %s\n",
			  lp_ncalrpc_dir(), strerror(errno)));
		return -1;
	}

	if (is_daemon && !interactive) {
		if (rpc_epmapper_daemon() == RPC_DAEMON_FORK) {
			start_epmd(ev_ctx, msg_ctx);
		}
	}

	if (!dcesrv_ep_setup(ev_ctx, msg_ctx)) {
		exit(1);
	}

	/* only start other daemons if we are running as a daemon
	 * -- bad things will happen if smbd is launched via inetd
	 *  and we fork a copy of ourselves here */
	if (is_daemon && !interactive) {

		if (rpc_lsasd_daemon() == RPC_DAEMON_FORK) {
			start_lsasd(ev_ctx, msg_ctx);
		}

		if (!_lp_disable_spoolss() &&
		    (rpc_spoolss_daemon() != RPC_DAEMON_DISABLED)) {
			bool bgq = lp_parm_bool(-1, "smbd", "backgroundqueue", true);

			if (!printing_subsystem_init(ev_ctx, msg_ctx, true, bgq)) {
				exit(1);
			}
		}
	} else if (!_lp_disable_spoolss() &&
		   (rpc_spoolss_daemon() != RPC_DAEMON_DISABLED)) {
		if (!printing_subsystem_init(ev_ctx, msg_ctx, false, false)) {
			exit(1);
		}
	}

	if (!is_daemon) {
		/* inetd mode */
		TALLOC_FREE(frame);

		/* Started from inetd. fd 0 is the socket. */
		/* We will abort gracefully when the client or remote system
		   goes away */
		smbd_server_conn->sock = dup(0);

		/* close our standard file descriptors */
		if (!debug_get_output_is_stdout()) {
			close_low_fds(False); /* Don't close stderr */
		}

#ifdef HAVE_ATEXIT
		atexit(killkids);
#endif

	        /* Stop zombies */
		smbd_setup_sig_chld_handler(ev_ctx);

		smbd_process(ev_ctx, smbd_server_conn);

		exit_server_cleanly(NULL);
		return(0);
	}

	parent = talloc_zero(ev_ctx, struct smbd_parent_context);
	if (!parent) {
		exit_server("talloc(struct smbd_parent_context) failed");
	}
	parent->interactive = interactive;

	if (!open_sockets_smbd(parent, ev_ctx, msg_ctx, ports))
		exit_server("open_sockets_smbd() failed");

	/* do a printer update now that all messaging has been set up,
	 * before we allow clients to start connecting */
	printing_subsystem_update(ev_ctx, msg_ctx, false);

	TALLOC_FREE(frame);
	/* make sure we always have a valid stackframe */
	frame = talloc_stackframe();

	smbd_parent_loop(ev_ctx, parent);

	exit_server_cleanly(NULL);
	TALLOC_FREE(frame);
	return(0);
}
Exemplo n.º 14
0
Arquivo: main.c Projeto: analani/tg
static void sigusr1_handler (const int sig) {
  fprintf(stderr, "got SIGUSR1, rotate logs.\n");
  reopen_logs ();
  signal (SIGUSR1, sigusr1_handler);
}
Exemplo n.º 15
0
Arquivo: main.c Projeto: analani/tg
int main (int argc, char **argv) {
  signal (SIGSEGV, termination_signal_handler);
  signal (SIGABRT, termination_signal_handler);
  signal (SIGBUS, termination_signal_handler);
  signal (SIGQUIT, termination_signal_handler);
  signal (SIGFPE, termination_signal_handler);

  signal (SIGPIPE, SIG_IGN);
  
  signal (SIGTERM, sig_term_handler);
  signal (SIGINT, sig_term_handler);

  rl_catch_signals = 0;


  log_level = 10;
  
  args_parse (argc, argv);
  
  change_user_group ();

  if (port > 0) {
    struct sockaddr_in serv_addr;

    sfd = socket (AF_INET, SOCK_STREAM, 0);
    if (sfd < 0) {
      perror ("socket");
      exit(1);
    }

    memset (&serv_addr, 0, sizeof (serv_addr));
    
    serv_addr.sin_family = AF_INET;
    serv_addr.sin_addr.s_addr = htonl (0x7f000001);
    serv_addr.sin_port = htons (port);
 
    if (bind (sfd, (struct sockaddr *) &serv_addr, sizeof (serv_addr)) < 0) {
      perror ("bind");
      exit(1);
    }

    listen (sfd, 5);
  } else {
    sfd = -1;
  }
  
  if (unix_socket) {
    assert (strlen (unix_socket) < 100);
    struct sockaddr_un serv_addr;

    usfd = socket (AF_UNIX, SOCK_STREAM, 0);
    if (usfd < 0) {
      perror ("socket");
      exit(1);
    }

    memset (&serv_addr, 0, sizeof (serv_addr));
    
    serv_addr.sun_family = AF_UNIX;

    snprintf (serv_addr.sun_path, 108, "%s", unix_socket);
 
    if (bind (usfd, (struct sockaddr *) &serv_addr, sizeof (serv_addr)) < 0) {
      perror ("bind");
      exit(1);
    }

    listen (usfd, 5);    
  } else {
    usfd = -1;
  }

  if (daemonize) {
    signal (SIGHUP, sighup_handler);
    reopen_logs ();
  }
  signal (SIGUSR1, sigusr1_handler);

  if (!disable_output) {
    printf (
      "Telegram-cli version " TGL_VERSION ", Copyright (C) 2013-2014 Vitaly Valtman\n"
      "Telegram-cli comes with ABSOLUTELY NO WARRANTY; for details type `show_license'.\n"
      "This is free software, and you are welcome to redistribute it\n"
      "under certain conditions; type `show_license' for details.\n"
    );
  }
  running_for_first_time ();
  parse_config ();

  tgl_set_rsa_key ("/etc/" PROG_NAME "/server.pub");
  tgl_set_rsa_key ("tg-server.pub");


  get_terminal_attributes ();

  #ifdef USE_LUA
  if (lua_file) {
    lua_init (lua_file);
  }
  #endif

  inner_main ();
  
  return 0;
}
Exemplo n.º 16
0
 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);
}
Exemplo n.º 17
0
/*
 * Do some module- and library-wide intializations
 */
static void
SMBC_module_init(void * punused)
{
    bool conf_loaded = False;
    char *home = NULL;
    TALLOC_CTX *frame = talloc_stackframe();
                
    load_case_tables();
                
    setup_logging("libsmbclient", True);

    /* Here we would open the smb.conf file if needed ... */
                
    lp_set_in_client(True);
                
    home = getenv("HOME");
    if (home) {
        char *conf = NULL;
        if (asprintf(&conf, "%s/.smb/smb.conf", home) > 0) {
            if (lp_load(conf, True, False, False, True)) {
                conf_loaded = True;
            } else {
                DEBUG(5, ("Could not load config file: %s\n",
                          conf));
            }
            SAFE_FREE(conf);
        }
    }
                
    if (!conf_loaded) {
        /*
         * Well, if that failed, try the get_dyn_CONFIGFILE
         * Which points to the standard locn, and if that
         * fails, silently ignore it and use the internal
         * defaults ...
         */
                        
        if (!lp_load(get_dyn_CONFIGFILE(), True, False, False, False)) {
            DEBUG(5, ("Could not load config file: %s\n",
                      get_dyn_CONFIGFILE()));
        } else if (home) {
            char *conf;
            /*
             * We loaded the global config file.  Now lets
             * load user-specific modifications to the
             * global config.
             */
            if (asprintf(&conf,
                         "%s/.smb/smb.conf.append",
                         home) > 0) {
                if (!lp_load(conf, True, False, False, False)) {
                    DEBUG(10,
                          ("Could not append config file: "
                           "%s\n",
                           conf));
                }
                SAFE_FREE(conf);
            }
        }
    }
                
    load_interfaces();  /* Load the list of interfaces ... */
                
    reopen_logs();  /* Get logging working ... */
                
    /*
     * Block SIGPIPE (from lib/util_sock.c: write())
     * It is not needed and should not stop execution
     */
    BlockSignals(True, SIGPIPE);
                
    /* Create the mutex we'll use to protect initialized_ctx_count */
    if (SMB_THREAD_CREATE_MUTEX("initialized_ctx_count_mutex",
                                initialized_ctx_count_mutex) != 0) {
        smb_panic("SMBC_module_init: "
                  "failed to create 'initialized_ctx_count' mutex");
    }


    TALLOC_FREE(frame);
}
Exemplo n.º 18
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);
}
Exemplo n.º 19
0
 int main2(int argc,const char *argv[])
{
	/* shall I run as a daemon */
	static BOOL is_daemon = False;
	static BOOL interactive = False;
	static BOOL Fork = True;
	static BOOL no_process_group = False;
	static BOOL log_stdout = False;
	static char *ports = NULL;
	int opt;
#ifndef _XBOX
	poptContext pc;

	struct poptOption long_options[] = {
	POPT_AUTOHELP
	{"daemon", 'D', POPT_ARG_VAL, &is_daemon, True, "Become a daemon (default)" },
	{"interactive", 'i', POPT_ARG_VAL, &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" },
	{"build-options", 'b', POPT_ARG_NONE, NULL, 'b', "Print build options" },
	{"port", 'p', POPT_ARG_STRING, &ports, 0, "Listen on the specified ports"},
	POPT_COMMON_SAMBA
	POPT_COMMON_DYNCONFIG
	POPT_TABLEEND
	};
#else
	interactive = True;
	log_stdout = True;
#endif

	load_case_tables();

#ifdef HAVE_SET_AUTH_PARAMETERS
	set_auth_parameters(argc,argv);
#endif

#ifndef _XBOX
	pc = poptGetContext("smbd", argc, argv, long_options, 0);
	
	while((opt = poptGetNextOpt(pc)) != -1) {
		switch (opt)  {
		case 'b':
			build_options(True); /* Display output to screen as well as debug */ 
			exit(0);
			break;
		}
	}

	poptFreeContext(pc);
#endif

#ifdef HAVE_SETLUID
	/* needed for SecureWare on SCO */
	setluid(0);
#endif

	sec_init();

	set_remote_machine_name("smbd", False);

	if (interactive) {
		Fork = False;
		log_stdout = True;
	}

	if (interactive && (DEBUGLEVEL >= 9)) {
		talloc_enable_leak_report();
	}

	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);

	/* we want to re-seed early to prevent time delays causing
           client problems at a later date. (tridge) */
	generate_random_buffer(NULL, 0);

	/* make absolutely sure we run as root - to handle cases where people
	   are crazy enough to have it setuid */

	gain_root_privilege();
	gain_root_group_privilege();

#ifndef _XBOX
	fault_setup((void (*)(void *))exit_server_fault);
	dump_core_setup("smbd");
#endif

	CatchSignal(SIGTERM , SIGNAL_CAST sig_term);
#ifndef _XBOX
	CatchSignal(SIGHUP,SIGNAL_CAST sig_hup);
	
	/* we are never interested in SIGPIPE */
	BlockSignals(True,SIGPIPE);
#endif

#if defined(SIGFPE)
	/* we are never interested in SIGFPE */
	BlockSignals(True,SIGFPE);
#endif

#if defined(SIGUSR2)
	/* We are no longer interested in USR2 */
	BlockSignals(True,SIGUSR2);
#endif

	/* POSIX demands that signals are inherited. If the invoking process has
	 * these signals masked, we will have problems, as we won't recieve them. */
#ifndef _XBOX
	BlockSignals(False, SIGHUP);
#endif
	BlockSignals(False, SIGUSR1);
	BlockSignals(False, SIGTERM);

	/* we want total control over the permissions on created files,
	   so set our umask to 0 */
	umask(0);

	init_sec_ctx();

	reopen_logs();

	DEBUG(0,( "smbd version %s started.\n", SAMBA_VERSION_STRING));
	DEBUGADD( 0, ( "%s\n", COPYRIGHT_STARTUP_MESSAGE ) );

	DEBUG(2,("uid=%d gid=%d euid=%d egid=%d\n",
		 (int)getuid(),(int)getgid(),(int)geteuid(),(int)getegid()));

	/* Output the build options to the debug log */ 
	build_options(False);

	if (sizeof(uint16) < 2 || sizeof(uint32) < 4) {
		DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
		exit(1);
	}

	/*
	 * Do this before reload_services.
	 */

	if (!reload_services(False))
		return(-1);	

	init_structs();

#ifdef WITH_PROFILE
	if (!profile_setup(False)) {
		DEBUG(0,("ERROR: failed to setup profiling\n"));
		return -1;
	}
#endif

	DEBUG(3,( "loaded services\n"));

	if (!is_daemon && !is_a_socket(0)) {
		if (!interactive)
			DEBUG(0,("standard input is not a socket, assuming -D option\n"));

		/*
		 * Setting is_daemon here prevents us from eventually calling
		 * the open_sockets_inetd()
		 */

		is_daemon = True;
	}

	if (is_daemon && !interactive) {
		DEBUG( 3, ( "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 (interactive && !no_process_group)
		setpgid( (pid_t)0, (pid_t)0);
#endif

	if (!directory_exist(lp_lockdir(), NULL))
		mkdir(lp_lockdir(), 0755);

#ifndef _XBOX
	if (is_daemon)
		pidfile_create("smbd");
#endif

	/* Setup all the TDB's - including CLEAR_IF_FIRST tdb's. */
	if (!message_init())
		exit(1);

	/* Initialize our global sam sid first -- quite a lot of the other
	 * initialization routines further down depend on it.
	 */

	/* Initialise the password backed before the global_sam_sid
	   to ensure that we fetch from ldap before we make a domain sid up */

	if(!initialize_password_db(False))
		exit(1);

	/* Fail gracefully if we can't open secrets.tdb */

	if (!secrets_init()) {
		DEBUG(0, ("ERROR: smbd can not open secrets.tdb\n"));
		exit(1);
	}

	if(!get_global_sam_sid()) {
		DEBUG(0,("ERROR: Samba cannot create a SAM SID.\n"));
		exit(1);
	}

	if (!session_init())
		exit(1);

	if (conn_tdb_ctx() == NULL)
		exit(1);

	if (!locking_init(0))
		exit(1);

	namecache_enable();

	if (!init_registry())
		exit(1);

#if 0
	if (!init_svcctl_db())
                exit(1);
#endif

#ifndef _XBOX
	if (!print_backend_init())
		exit(1);
#endif

	if (!init_guest_info()) {
		DEBUG(0,("ERROR: failed to setup guest info.\n"));
		return -1;
	}

	/* Setup the main smbd so that we can get messages. */
	/* don't worry about general printing messages here */

	claim_connection(NULL,"",0,True,FLAG_MSG_GENERAL|FLAG_MSG_SMBD);

	/* only start the background queue daemon if we are 
	   running as a daemon -- bad things will happen if
	   smbd is launched via inetd and we fork a copy of 
	   ourselves here */
#ifndef _XBOX
	if ( is_daemon && !interactive )
		start_background_queue(); 
#endif
	/* Always attempt to initialize DMAPI. We will only use it later if
	 * lp_dmapi_support is set on the share, but we need a single global
	 * session to work with.
	 */
	dmapi_init_session();

	if (!open_sockets_smbd(is_daemon, interactive, ports))
		exit(1);

	/*
	 * everything after this point is run after the fork()
	 */ 

	static_init_rpc;

	init_modules();

	/* possibly reload the services file. */
	reload_services(True);

	if (!init_account_policy()) {
		DEBUG(0,("Could not open account policy tdb.\n"));
		exit(1);
	}

	if (*lp_rootdir()) {
		if (sys_chroot(lp_rootdir()) == 0)
			DEBUG(2,("Changed root to %s\n", lp_rootdir()));
	}

	/* Setup oplocks */
	if (!init_oplocks())
		exit(1);
	
	/* Setup change notify */
	if (!init_change_notify())
		exit(1);

	/* Setup aio signal handler. */
	initialize_async_io_handler();

	/* re-initialise the timezone */
	TimeInit();

	/* register our message handlers */
	message_register(MSG_SMB_FORCE_TDIS, msg_force_tdis);

	smbd_process();

#ifdef _XBOX
	xb_DecClientCount();
#endif

	namecache_shutdown();

	exit_server_cleanly(NULL);
	return(0);
}
Exemplo n.º 20
0
void server_init (engine_t *E, server_functions_t *F, conn_type_t *listen_connection_type, void *listen_connection_extra) {
  if (F != NULL) {
    if (F->sighup) {
      sf.sighup = F->sighup;
    }
    if (F->sigusr1) {
      sf.sigusr1 = F->sigusr1;
    }
    if (F->save_index) {
      sf.save_index = F->save_index;
    }
    if (F->cron) {
      sf.cron = F->cron;
    }
  }
  
  init_epoll ();
  init_netbuffers ();
  if (udp_enabled) {
    init_msg_buffers (0);
  }
  
  if (daemonize) {
    setsid ();
    reopen_logs ();
  }

  if (!E->sfd) {
    E->sfd = server_socket (port, E->settings_addr, backlog, 0);
  }

  if (E->sfd < 0) {
    kprintf ("cannot open server socket at port %d: %m\n", port);
    exit (1);
  }

  if (change_user (username) < 0) {
    kprintf ("fatal: cannot change user to %s\n", username ? username : "******");
    exit (1);
  }

  if (binlogname && !binlog_disabled) {
    assert (append_to_binlog (Binlog) == log_readto_pos);
  }

  init_listening_connection (E->sfd, listen_connection_type, listen_connection_extra);
  if (udp_enabled) {
    add_udp_socket (port, 0);
  }
  
  if (binlog_disabled && binlog_fd >= 0) {
    epoll_pre_event = read_new_events;
  }

  struct sigaction sa;
  memset (&sa, 0, sizeof (sa));
  sa.sa_handler = sigint_handler;
  sigemptyset (&sa.sa_mask);
  sigaddset (&sa.sa_mask, SIGTERM); 
  sigaction (SIGINT, &sa, NULL);
  
  sa.sa_handler = sigterm_handler;
  sigemptyset (&sa.sa_mask);
  sigaddset (&sa.sa_mask, SIGINT);
  sigaction (SIGTERM, &sa, NULL);
  
  sa.sa_handler = SIG_IGN;
  sigaction (SIGPIPE, &sa, NULL);
  sigaction (SIGPOLL, &sa, NULL);
  
  if (daemonize) {
    sa.sa_handler = sighup_handler;
    sigemptyset (&sa.sa_mask);
    sigaction (SIGHUP, &sa, NULL);
  }
}
Exemplo n.º 21
0
NET_API_STATUS libnetapi_init(struct libnetapi_ctx **context)
{
	NET_API_STATUS status;
	struct libnetapi_ctx *ctx = NULL;
	char *krb5_cc_env = NULL;

	if (stat_ctx && libnetapi_initialized) {
		*context = stat_ctx;
		return NET_API_STATUS_SUCCESS;
	}

#if 0
	talloc_enable_leak_report();
#endif
	frame = talloc_stackframe();

	ctx = talloc_zero(frame, struct libnetapi_ctx);
	if (!ctx) {
		TALLOC_FREE(frame);
		return W_ERROR_V(WERR_NOMEM);
	}

	if (!DEBUGLEVEL) {
		DEBUGLEVEL = 0;
	}

	/* prevent setup_logging() from closing x_stderr... */
	dbf = 0;
	setup_logging("libnetapi", true);

	dbf = x_stderr;
	x_setbuf(x_stderr, NULL);
	AllowDebugChange = false;

	load_case_tables();

	if (!lp_load(get_dyn_CONFIGFILE(), true, false, false, false)) {
		TALLOC_FREE(frame);
		fprintf(stderr, "lp_load failed\n");
		return W_ERROR_V(WERR_GENERAL_FAILURE);
	}

	AllowDebugChange = true;

	init_names();
	load_interfaces();
	reopen_logs();

	BlockSignals(True, SIGPIPE);

	krb5_cc_env = getenv(KRB5_ENV_CCNAME);
	if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
		ctx->krb5_cc_env = talloc_strdup(frame, "MEMORY:libnetapi");
		setenv(KRB5_ENV_CCNAME, ctx->krb5_cc_env, 1);
	}

	if (getenv("USER")) {
		ctx->username = talloc_strdup(frame, getenv("USER"));
	} else {
		ctx->username = talloc_strdup(frame, "");
	}
	if (!ctx->username) {
		TALLOC_FREE(frame);
		fprintf(stderr, "libnetapi_init: out of memory\n");
		return W_ERROR_V(WERR_NOMEM);
	}

	status = libnetapi_init_private_context(ctx);
	if (status != 0) {
		TALLOC_FREE(frame);
		return status;
	}

	libnetapi_initialized = true;

	*context = stat_ctx = ctx;

	return NET_API_STATUS_SUCCESS;
}
Exemplo n.º 22
0
static void default_sigusr1 (void) {
  sync_binlog (2);
  reopen_logs ();
}
void start_server (void) {
  char buf[64];
  int i, prev_time = 0;

  init_epoll ();
  init_netbuffers ();

  if (!sfd) {
    sfd = server_socket (port, settings_addr, backlog, 0);
  }

  if (sfd < 0) {
    kprintf ("cannot open server socket at port %d: %m\n", port);
    exit (3);
  }

  vkprintf (1, "created listening socket at %s:%d, fd=%d\n", conv_addr (settings_addr.s_addr, buf), port, sfd);

  if (daemonize) {
    setsid ();
  }

  if (change_user (username) < 0) {
    kprintf ("fatal: cannot change user to %s\n", username ? username : "******");
    exit (1);
  }

  if (binlogname && !binlog_disabled) {
    assert (append_to_binlog (Binlog) == log_readto_pos);
  }

  init_listening_connection (sfd, &ct_rpc_server, &copyexec_result_rpc_server);

  sigset_t signal_set;
  sigemptyset (&signal_set);
  sigaddset (&signal_set, SIGINT);
  sigaddset (&signal_set, SIGTERM);
  sigaddset (&signal_set, SIGUSR1);
  if (daemonize) {
    sigaddset (&signal_set, SIGHUP);
  }
  struct sigaction act;
  act.sa_handler = copyexec_results_sig_handler;
  act.sa_mask = signal_set;
  act.sa_flags = 0;
  for (i = 1; i <= SIGRTMAX; i++) {
    if (sigismember (&signal_set, i)) {
      if (sigaction (i, &act, NULL) < 0) {
        kprintf ("sigaction (%d) failed. %m\n", i);
        exit (1);
      }
    }
  }

  for (i = 0; ; i++) {
    if (!(i & 255)) {
      vkprintf (1, "epoll_work(): %d out of %d connections, network buffers: %d used, %d out of %d allocated\n",
	       active_connections, maxconn, NB_used, NB_alloc, NB_max);
    }
    epoll_work (71);

    if (interrupted_by_term_signal ()) {
      break;
    }

    if (pending_signals & (1LL << SIGHUP)) {
      pending_signals_clear_bit (&signal_set, SIGHUP);
      kprintf ("got SIGHUP.\n");
      sync_binlog (2);
    }

    if (pending_signals & (1LL << SIGUSR1)) {
      pending_signals_clear_bit (&signal_set, SIGUSR1);
      kprintf ("got SIGUSR1, rotate logs.\n");
      reopen_logs ();
      sync_binlog (2);
    }

    if (now != prev_time) {
      prev_time = now;
      cron ();
    }
    if (quit_steps && !--quit_steps) break;
  }

  epoll_close (sfd);
  close (sfd);

  flush_binlog_last ();
  sync_binlog (2);
}