Exemple #1
0
/*
 * after parsing configuration, start the dns_server
 */
void dns_start (void)
{
	printf ("Starting DNS server.\n");

	openlog ("simple-dns", LOG_PID, LOG_LOCAL0);

	open_sockets ();
}
Exemple #2
0
int main(int argc, char* argv[])
{
	if (argc < 1) {
		printf("Pass filename of socket file as argument.\n");
		exit(EXIT_FAILURE);
	}

	open_sockets(argv[1]);
}
Exemple #3
0
int receiver(McastResult** test_results, int n_addr, int n_stream, int test_inc, char *start_addr, int start_port, int buf_len, int mbps, int timeout, int verbose){
	// test_inc = 0, just do one test
	// test_inc = n, test  1,1+n, 1+2n... n_addr addresses.
	int n_tests;	
	n_tests =  3 + n_addr/(test_inc);
	sockets = malloc(sizeof(int) * n_addr * n_stream + sizeof(int));
	sockets[n_addr * n_stream] = -1;
	int j, ind = 0;
	open_sockets(n_addr, n_stream,start_port, start_addr);
	j = 1;
	//test level.
	n_tests = 0;
	int jitterSize = 0;
	
	while(j <= n_addr ){
		/* hack needed for vms... */
		if (n_tests > 0 && n_tests % 15 == 0){
			close_sockets();
			open_sockets(n_addr, n_stream,start_port, start_addr);
		}
				
		int tout = timeout;
		if (n_tests == 0 && restarted == 0) tout = 300;
		test_results[ind] =  run_tests(j, n_stream, start_addr, start_port, buf_len, &jitterSize, tout,verbose);
		if (test_results[ind] == NULL){
			break;
		}
		if (verbose == 1) disp_results(test_results[ind]);
		n_tests++;
		ind++;
		if (j == n_addr) break;
		if (j == 1 && test_inc != 1) j = 0;
		j += test_inc;
		if (j > n_addr) j = n_addr;
	}
	
	close_sockets();
	free(sockets);
	restarted = 1;
	return n_tests;
}
int main(int argc,char **argv)
{
	mons = monitor_struct_alloc(PORTS_NR);
	init_monitor_struct(mons,monitored_ports);

	open_sockets(mons);
	atexit(terminate);
	
	apply_bpf_filters(mons);
	signal(SIGINT,sigint_handler);

	monitor_all();
	
	return 0;
}
Exemple #5
0
int main()
{
    char iface[] = "eth1";
    struct debconfclient *client = debconfclient_new();
    debconf_x_loadtemplate(client, "set-essid.templates");

    open_sockets();

    int ret = netcfg_wireless_set_essid(client, iface, "high");

    if (ret == GO_BACK) {
        /* Just go back... */
        fprintf(stderr, "GO BACK\n");
    }

    return 0;
}
Exemple #6
0
void setup_fds(void)
{
	/* If we have victim files, don't worry about sockets. */
	if (victim_path == NULL)
		open_sockets();

	open_pipes();

	open_perf_fds();

	open_epoll_fds();

	open_eventfd_fds();

	if (no_files == FALSE) {
		generate_filelist();
		if (files_in_index == 0)	/* Something bad happened. Crappy -V maybe? */
			return;			// FIXME: We should log something here probably.

		open_files();
	}
}
Exemple #7
0
unsigned int setup_fds(void)
{
	int ret = TRUE;

	/* If we have victim files, don't worry about sockets. */
	if (victim_path == NULL) {
		ret = open_sockets();
		if (ret == FALSE)
			return FALSE;
	}

	open_pipes();

	open_perf_fds();

	open_epoll_fds();

	open_eventfd_fds();

	if (no_files == FALSE)
		ret = open_files();

	return ret;
}
Exemple #8
0
int main(int argc, char *argv[])
{
    int num_interfaces = 0;
    enum { BACKUP,
           GET_INTERFACE,
           GET_HOSTNAME_ONLY,
           GET_METHOD,
           GET_DHCP,
           GET_STATIC,
           WCONFIG,
           WCONFIG_ESSID,
           WCONFIG_SECURITY_TYPE,
           WCONFIG_WEP,
           WCONFIG_WPA,
           START_WPA,
           QUIT } state = GET_INTERFACE;

    static struct debconfclient *client;
    static int requested_wireless_tools = 0;
    char **ifaces;
    char *defiface = NULL, *defwireless = NULL;
    response_t res;
    struct netcfg_interface interface;
#ifdef NM
    struct nm_config_info nmconf;
#endif

    /* initialize libd-i */
    di_system_init("netcfg");
    netcfg_interface_init(&interface);

    if (strcmp(basename(argv[0]), "ptom") != 0)
        di_info("Starting netcfg v.%s", NETCFG_VERSION);

    parse_args (argc, argv);
    reap_old_files ();
    open_sockets();

    /* initialize debconf */
    client = debconfclient_new();
    debconf_capb(client, "backup");

    /* Check to see if netcfg should be run at all */
    debconf_get(client, "netcfg/enable");
    if (!strcmp(client->value, "false")) {
        netcfg_get_hostname(client, "netcfg/get_hostname", hostname, 0);
        netcfg_write_common("", hostname, NULL);
        return 0;
    }

    /* always always always default back to autoconfig, unless you've specified
     * disable_autoconfig on the command line. */
    debconf_get(client, "netcfg/disable_autoconfig");

    if (!strcmp(client->value, "true"))
        debconf_set(client, "netcfg/use_autoconfig", "false");
    else
        debconf_set(client, "netcfg/use_autoconfig", "true");

    /* also support disable_dhcp for compatibility */
    debconf_get(client, "netcfg/disable_dhcp");

    if (!strcmp(client->value, "true"))
        debconf_set(client, "netcfg/use_autoconfig", "false");

    for (;;) {
        switch(state) {
        case BACKUP:
            return RETURN_TO_MAIN;
        case GET_INTERFACE:
            /* If we have returned from outside of netcfg and want to
             * reconfigure networking, check to see if wpasupplicant is
             * running, and kill it if it is. If left running when
             * the interfaces are taken up and down, it appears to
             * leave it in an inconsistant state */
            kill_wpa_supplicant();

            /* Choose a default by looking for link */
            if (get_all_ifs(1, &ifaces) > 1) {
                while (*ifaces) {
                    struct netcfg_interface link_interface;

                    if (check_kill_switch(*ifaces)) {
                        debconf_subst(client, "netcfg/kill_switch_enabled", "iface", *ifaces);
                        debconf_input(client, "high", "netcfg/kill_switch_enabled");
                        if (debconf_go(client) == CMD_GOBACK) {
                            state = BACKUP;
                            break;
                        }
                        /* Is it still enabled? */
                        if (check_kill_switch(*ifaces)) {
                            ifaces++;
                            continue;
                        }
                    }

                    interface_up(*ifaces);

                    netcfg_interface_init(&link_interface);
                    link_interface.name = strdup(*ifaces);
                    if (netcfg_detect_link (client, &link_interface) == 1) /* CONNECTED */ {
                        /* CONNECTED */
                        di_info("found link on interface %s, making it the default.", *ifaces);
                        defiface = strdup(*ifaces);
                        free(link_interface.name);
                        break;
                    } else {
#ifdef WIRELESS
                        struct wireless_config wc;
#endif /* WIRELESS */
                        di_info("found no link on interface %s.", *ifaces);
#ifdef WIRELESS
                        if (iw_get_basic_config(wfd, *ifaces, &wc) == 0) {
                            wc.essid[0] = '\0';
                            wc.essid_on = 0;

                            iw_set_basic_config(wfd, *ifaces, &wc);

                            sleep(1);

                            iw_get_basic_config(wfd, *ifaces, &wc);

                            if (!empty_str(wc.essid)) {
                                di_info("%s is associated with %s. Selecting as default", *ifaces, wc.essid);
                                defiface = strdup(*ifaces);
                                interface_down(*ifaces);
                                break;
                            } else {
                                di_info("%s is not associated. Relegating to defwireless", *ifaces);
                                if (defwireless != NULL)
                                    free (defwireless);
                                defwireless = strdup(*ifaces);
                            }
                        }
                        else
                            di_info("%s is not a wireless interface. Continuing.", *ifaces);

                        interface_down(*ifaces);
#endif
                    }

                    free(link_interface.name);
                    interface_down(*ifaces);

                    ifaces++;
                }
            }

            if (state == BACKUP)
                break;

            if (!defiface && defwireless)
                defiface = defwireless;

            if(netcfg_get_interface(client, &(interface.name), &num_interfaces, defiface))
                state = BACKUP;
            else if (! interface.name || ! num_interfaces)
                state = GET_HOSTNAME_ONLY;
            else {
                if (is_wireless_iface (interface.name))
                    state = WCONFIG;
                else
                    state = GET_METHOD;
            }
            break;
        case GET_HOSTNAME_ONLY:
            if(netcfg_get_hostname(client, "netcfg/get_hostname", hostname, 0))
                state = BACKUP;
            else {
                netcfg_write_common("", hostname, NULL);
                state = QUIT;
            }
            break;
        case GET_METHOD:
            if ((res = netcfg_get_method(client)) == GO_BACK)
                state = (num_interfaces == 1) ? BACKUP : GET_INTERFACE;
            else {
                if (netcfg_method == DHCP)
                    state = GET_DHCP;
                else
                    state = GET_STATIC;
            }
            break;

        case GET_DHCP:
            switch (netcfg_activate_dhcp(client, &interface)) {
            case 0:
                state = QUIT;
                break;
            case RETURN_TO_MAIN:
                /*
                 * It doesn't make sense to go back to GET_METHOD because
                 * the user has already been asked whether they want to
                 * try an alternate method.
                 */
                state = (num_interfaces == 1) ? BACKUP : GET_INTERFACE;
                break;
            case CONFIGURE_MANUALLY:
                state = GET_STATIC;
                break;
            default:
                return 1;
            }
            break;

        case GET_STATIC:
            {
                int ret;
                /* Misnomer - this should actually take care of activation */
                if ((ret = netcfg_get_static(client, &interface)) == RETURN_TO_MAIN)
                    state = GET_INTERFACE;
                else if (ret)
                    state = GET_METHOD;
                else
                    state = QUIT;
                break;
            }

        case WCONFIG:
            if (requested_wireless_tools == 0) {
                di_exec_shell_log("apt-install iw wireless-tools");
                requested_wireless_tools = 1;
            }
            state = WCONFIG_ESSID;
            break;

        case WCONFIG_ESSID:
            if (netcfg_wireless_set_essid(client, &interface) == GO_BACK)
                state = BACKUP;
            else {
                init_wpa_supplicant_support(&interface);
                if (interface.wpa_supplicant_status == WPA_UNAVAIL)
                    state = WCONFIG_WEP;
                else
                    state = WCONFIG_SECURITY_TYPE;
            }
            break;

        case WCONFIG_SECURITY_TYPE:
            {
                int ret;
                ret = wireless_security_type(client, interface.name);
                if (ret == GO_BACK)
                    state = WCONFIG_ESSID;
                else if (ret == REPLY_WPA) {
                    state = WCONFIG_WPA;
                    interface.wifi_security = REPLY_WPA;
                }
                else {
                    state = WCONFIG_WEP;
                    interface.wifi_security = REPLY_WEP;
                }
                break;
            }

        case WCONFIG_WEP:
            if (netcfg_wireless_set_wep(client, &interface) == GO_BACK) 
                if (interface.wpa_supplicant_status == WPA_UNAVAIL)
                    state = WCONFIG_ESSID;
                else
                    state = WCONFIG_SECURITY_TYPE;
            else
                state = GET_METHOD;
            break;

        case WCONFIG_WPA:
            if (interface.wpa_supplicant_status == WPA_OK) {
                di_exec_shell_log("apt-install wpasupplicant");
                interface.wpa_supplicant_status = WPA_QUEUED;
            }

            if (netcfg_set_passphrase(client, &interface) == GO_BACK)
                state = WCONFIG_SECURITY_TYPE;
            else
                state = START_WPA;
            break;

        case START_WPA:
            if (wpa_supplicant_start(client, &interface) == GO_BACK)
                state = WCONFIG_ESSID;
            else
                state = GET_METHOD;
            break;

        case QUIT:
#ifdef NM
            if (num_interfaces > 0) {
                nm_get_configuration(&interface, &nmconf);
                nm_write_configuration(nmconf);
            }
#endif

            netcfg_update_entropy();
            return 0;
        }
    }
}
Exemple #9
0
/****************************************************************************
  main program
****************************************************************************/
int main(int argc, const char *argv[])
{
	int opt;
	unsigned int lookup_type = 0x0;
	fstring lookup;
	static bool find_master=False;
	static bool lookup_by_ip = False;
	poptContext pc = NULL;
	TALLOC_CTX *frame = talloc_stackframe();
	int rc = 0;

	struct poptOption long_options[] = {
		POPT_AUTOHELP
		{ "broadcast", 'B', POPT_ARG_STRING, NULL, 'B', "Specify address to use for broadcasts", "BROADCAST-ADDRESS" },
		{ "flags", 'f', POPT_ARG_NONE, NULL, 'f', "List the NMB flags returned" },
		{ "unicast", 'U', POPT_ARG_STRING, NULL, 'U', "Specify address to use for unicast" },
		{ "master-browser", 'M', POPT_ARG_NONE, NULL, 'M', "Search for a master browser" },
		{ "recursion", 'R', POPT_ARG_NONE, NULL, 'R', "Set recursion desired in package" },
		{ "status", 'S', POPT_ARG_NONE, NULL, 'S', "Lookup node status as well" },
		{ "translate", 'T', POPT_ARG_NONE, NULL, 'T', "Translate IP addresses into names" },
		{ "root-port", 'r', POPT_ARG_NONE, NULL, 'r', "Use root port 137 (Win95 only replies to this)" },
		{ "lookup-by-ip", 'A', POPT_ARG_NONE, NULL, 'A', "Do a node status on <name> as an IP Address" },
		POPT_COMMON_SAMBA
		POPT_COMMON_CONNECTION
		{ 0, 0, 0, 0 }
	};

	*lookup = 0;

	load_case_tables();

	setup_logging(argv[0], DEBUG_STDOUT);

	pc = poptGetContext("nmblookup", argc, argv,
			long_options, POPT_CONTEXT_KEEP_FIRST);

	poptSetOtherOptionHelp(pc, "<NODE> ...");

	while ((opt = poptGetNextOpt(pc)) != -1) {
		switch (opt) {
		case 'f':
			give_flags = true;
			break;
		case 'M':
			find_master = true;
			break;
		case 'R':
			recursion_desired = true;
			break;
		case 'S':
			find_status = true;
			break;
		case 'r':
			RootPort = true;
			break;
		case 'A':
			lookup_by_ip = true;
			break;
		case 'B':
			if (interpret_string_addr(&bcast_addr,
					poptGetOptArg(pc),
					NI_NUMERICHOST)) {
				got_bcast = True;
				use_bcast = True;
			}
			break;
		case 'U':
			if (interpret_string_addr(&bcast_addr,
					poptGetOptArg(pc),
					0)) {
				got_bcast = True;
				use_bcast = False;
			}
			break;
		case 'T':
			translate_addresses = !translate_addresses;
			break;
		}
	}

	poptGetArg(pc); /* Remove argv[0] */

	if(!poptPeekArg(pc)) {
		poptPrintUsage(pc, stderr, 0);
		rc = 1;
		goto out;
	}

	if (!lp_load_global(get_dyn_CONFIGFILE())) {
		fprintf(stderr, "Can't load %s - run testparm to debug it\n",
				get_dyn_CONFIGFILE());
	}

	load_interfaces();
	if (!open_sockets()) {
		rc = 1;
		goto out;
	}

	while(poptPeekArg(pc)) {
		char *p;
		struct in_addr ip;

		fstrcpy(lookup,poptGetArg(pc));

		if(lookup_by_ip) {
			struct sockaddr_storage ss;
			ip = interpret_addr2(lookup);
			in_addr_to_sockaddr_storage(&ss, ip);
			fstrcpy(lookup,"*");
			if (!do_node_status(lookup, lookup_type, &ss)) {
				rc = 1;
			}
			continue;
		}

		if (find_master) {
			if (*lookup == '-') {
				fstrcpy(lookup,"\01\02__MSBROWSE__\02");
				lookup_type = 1;
			} else {
				lookup_type = 0x1d;
			}
		}

		p = strchr_m(lookup,'#');
		if (p) {
			*p = '\0';
			sscanf(++p,"%x",&lookup_type);
		}

		if (!query_one(lookup, lookup_type)) {
			rc = 1;
			d_printf( "name_query failed to find name %s", lookup );
			if( 0 != lookup_type ) {
				d_printf( "#%02x", lookup_type );
			}
			d_printf( "\n" );
		}
	}

out:
	poptFreeContext(pc);
	TALLOC_FREE(frame);
	return rc;
}
Exemple #10
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);
}
Exemple #11
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);
}
Exemple #12
0
/*
 * The actual main function.
 */
int
sntp_main (
	int argc,
	char **argv,
	const char *sntpVersion
	)
{
	int			i;
	int			exitcode;
	int			optct;
	struct event_config *	evcfg;

	/* Initialize logging system - sets up progname */
	sntp_init_logging(argv[0]);

	if (!libevent_version_ok())
		exit(EX_SOFTWARE);

	init_lib();
	init_auth();

	optct = ntpOptionProcess(&sntpOptions, argc, argv);
	argc -= optct;
	argv += optct;


	debug = OPT_VALUE_SET_DEBUG_LEVEL;

	TRACE(2, ("init_lib() done, %s%s\n",
		  (ipv4_works)
		      ? "ipv4_works "
		      : "",
		  (ipv6_works)
		      ? "ipv6_works "
		      : ""));
	ntpver = OPT_VALUE_NTPVERSION;
	steplimit = OPT_VALUE_STEPLIMIT / 1e3;
	gap.tv_usec = max(0, OPT_VALUE_GAP * 1000);
	gap.tv_usec = min(gap.tv_usec, 999999);

	if (HAVE_OPT(LOGFILE))
		open_logfile(OPT_ARG(LOGFILE));

	msyslog(LOG_INFO, "%s", sntpVersion);

	if (0 == argc && !HAVE_OPT(BROADCAST) && !HAVE_OPT(CONCURRENT)) {
		printf("%s: Must supply at least one of -b hostname, -c hostname, or hostname.\n",
		       progname);
		exit(EX_USAGE);
	}


	/*
	** Eventually, we probably want:
	** - separate bcst and ucst timeouts (why?)
	** - multiple --timeout values in the commandline
	*/

	response_timeout = OPT_VALUE_TIMEOUT;
	response_tv.tv_sec = response_timeout;
	response_tv.tv_usec = 0;

	/* IPv6 available? */
	if (isc_net_probeipv6() != ISC_R_SUCCESS) {
		ai_fam_pref = AF_INET;
		TRACE(1, ("No ipv6 support available, forcing ipv4\n"));
	} else {
		/* Check for options -4 and -6 */
		if (HAVE_OPT(IPV4))
			ai_fam_pref = AF_INET;
		else if (HAVE_OPT(IPV6))
			ai_fam_pref = AF_INET6;
	}

	/* TODO: Parse config file if declared */

	/*
	** Init the KOD system.
	** For embedded systems with no writable filesystem,
	** -K /dev/null can be used to disable KoD storage.
	*/
	kod_init_kod_db(OPT_ARG(KOD), FALSE);

	// HMS: Should we use arg-defalt for this too?
	if (HAVE_OPT(KEYFILE))
		auth_init(OPT_ARG(KEYFILE), &keys);

	/*
	** Considering employing a variable that prevents functions of doing
	** anything until everything is initialized properly
	**
	** HMS: What exactly does the above mean?
	*/
	event_set_log_callback(&sntp_libevent_log_cb);
	if (debug > 0)
		event_enable_debug_mode();
#ifdef WORK_THREAD
	evthread_use_pthreads();
	/* we use libevent from main thread only, locks should be academic */
	if (debug > 0)
		evthread_enable_lock_debuging();
#endif
	evcfg = event_config_new();
	if (NULL == evcfg) {
		printf("%s: event_config_new() failed!\n", progname);
		return -1;
	}
#ifndef HAVE_SOCKETPAIR
	event_config_require_features(evcfg, EV_FEATURE_FDS);
#endif
	/* all libevent calls are from main thread */
	/* event_config_set_flag(evcfg, EVENT_BASE_FLAG_NOLOCK); */
	base = event_base_new_with_config(evcfg);
	event_config_free(evcfg);
	if (NULL == base) {
		printf("%s: event_base_new() failed!\n", progname);
		return -1;
	}

	/* wire into intres resolver */
	worker_per_query = TRUE;
	addremove_io_fd = &sntp_addremove_fd;

	open_sockets();

	if (HAVE_OPT(BROADCAST)) {
		int		cn = STACKCT_OPT(  BROADCAST );
		const char **	cp = STACKLST_OPT( BROADCAST );

		while (cn-- > 0) {
			handle_lookup(*cp, CTX_BCST);
			cp++;
		}
	}

	if (HAVE_OPT(CONCURRENT)) {
		int		cn = STACKCT_OPT( CONCURRENT );
		const char **	cp = STACKLST_OPT( CONCURRENT );

		while (cn-- > 0) {
			handle_lookup(*cp, CTX_UCST | CTX_CONC);
			cp++;
		}
	}

	for (i = 0; i < argc; ++i)
		handle_lookup(argv[i], CTX_UCST);

	gettimeofday_cached(base, &start_tv);
	event_base_dispatch(base);
	event_base_free(base);

	if (!time_adjusted &&
	    (ENABLED_OPT(STEP) || ENABLED_OPT(SLEW)))
		exitcode = 1;
	else
		exitcode = 0;

	return exitcode;
}
Exemple #13
0
int main(int argc, char** argv)
{
    int num_interfaces = 0;
    static struct debconfclient *client;
    static int requested_wireless_tools = 0;
    struct netcfg_interface interface;

    enum { BACKUP, GET_INTERFACE, GET_HOSTNAME_ONLY, GET_STATIC, WCONFIG, WCONFIG_ESSID, WCONFIG_WEP, QUIT} state = GET_INTERFACE;

    /* initialize libd-i */
    di_system_init("netcfg-static");
    if (strcmp(basename(argv[0]), "ptom") != 0)
	di_info("Starting netcfg v.%s (built %s)", NETCFG_VERSION, NETCFG_BUILD_DATE);

    parse_args(argc, argv);
    reap_old_files();
    open_sockets();

    /* initialize debconf */
    client = debconfclient_new();
    debconf_capb(client, "backup");

    while (1) {
        switch(state) {
        case BACKUP:
            return 10;
        case GET_INTERFACE:
            if (netcfg_get_interface(client, &(interface.name), &num_interfaces, NULL))
                state = BACKUP;
            else if (! interface.name || ! num_interfaces)
                state = GET_HOSTNAME_ONLY;
            else {
                if (is_wireless_iface(interface.name))
                    state = WCONFIG;
                else
                    state = GET_STATIC;
            }
            break;
        case GET_HOSTNAME_ONLY:
            if(netcfg_get_hostname(client, "netcfg/get_hostname", hostname, 0))
                state = BACKUP;
            else {
                netcfg_write_common("", hostname, NULL);
                return 0;
            }
            break;
        case GET_STATIC:
            if (netcfg_get_static(client, &interface))
                state = (num_interfaces == 1) ? BACKUP : GET_INTERFACE;
            else
                state = QUIT;
            break;

        case WCONFIG:
            if (requested_wireless_tools == 0) {
                requested_wireless_tools = 1;
                di_exec_shell("apt-install wireless-tools");
            }
            state = WCONFIG_ESSID;
            break;

        case WCONFIG_ESSID:
            if (netcfg_wireless_set_essid (client, &interface, NULL))
                state = BACKUP;
            else
                state = WCONFIG_WEP;
            break;

        case WCONFIG_WEP:
            if (netcfg_wireless_set_wep (client, &interface))
                state = WCONFIG_ESSID;
            else
                state = GET_STATIC;
            break;

        case QUIT:
            netcfg_update_entropy();
            return 0;
        }
    }

    return 0;
}
Exemple #14
0
/****************************************************************************
  main program
****************************************************************************/
int main(int argc,char *argv[])
{
  int opt;
  unsigned int lookup_type = 0x0;
  pstring lookup;
  extern int optind;
  extern char *optarg;
  BOOL find_master=False;
  int i;
  static pstring servicesf = CONFIGFILE;
  BOOL lookup_by_ip = False;

  DEBUGLEVEL = 1;
  /* Prevent smb.conf setting from overridding */
  AllowDebugChange = False;

  *lookup = 0;

  TimeInit();

  setup_logging(argv[0],True);

  charset_initialise();

  while ((opt = getopt(argc, argv, "d:fB:U:i:s:SMrhART")) != EOF)
    switch (opt)
      {
      case 'B':
	bcast_addr = *interpret_addr2(optarg);
	got_bcast = True;
	use_bcast = True;
	break;
      case 'f':
	give_flags = True;
	break;
      case 'U':
	bcast_addr = *interpret_addr2(optarg);
	got_bcast = True;
	use_bcast = False;
	break;
      case 'T':
        translate_addresses = !translate_addresses;
	break;
      case 'i':
	      {
		      extern pstring global_scope;
		      pstrcpy(global_scope,optarg);
		      strupper(global_scope);
	      }
	      break;
      case 'M':
	find_master = True;
	break;
      case 'S':
	find_status = True;
	break;
      case 'R':
	recursion_desired = True;
	break;
      case 'd':
	DEBUGLEVEL = atoi(optarg);
	break;
      case 's':
	pstrcpy(servicesf, optarg);
	break;
      case 'r':
        RootPort = True;
        break;
      case 'h':
	usage();
	exit(0);
	break;
      case 'A':
        lookup_by_ip = True;
        break;
      default:
	usage();
	exit(1);
      }

  if (argc < 2) {
    usage();
    exit(1);
  }

  if (!lp_load(servicesf,True,False,False)) {
    fprintf(stderr, "Can't load %s - run testparm to debug it\n", servicesf);
  }

  load_interfaces();
  if (!open_sockets()) return(1);

  for (i=optind;i<argc;i++)
  {
      char *p;
      struct in_addr ip;

      fstrcpy(lookup,argv[i]);

      if(lookup_by_ip)
      {
        fstrcpy(lookup,"*");
        ip = *interpret_addr2(argv[i]);
	do_node_status(ServerFD, lookup, lookup_type, ip);
        continue;
      }

      if (find_master) {
	if (*lookup == '-') {
	  fstrcpy(lookup,"\01\02__MSBROWSE__\02");
	  lookup_type = 1;
	} else {
	  lookup_type = 0x1d;
	}
      }

      p = strchr(lookup,'#');
      if (p) {
        *p = '\0';
        sscanf(++p,"%x",&lookup_type);
      }

      if (!query_one(lookup, lookup_type)) {
	printf( "name_query failed to find name %s", lookup );
        if( 0 != lookup_type )
          printf( "#%02x", lookup_type );
        printf( "\n" );
      }
  }
  
  return(0);
}