Beispiel #1
0
/* returns perfcount path for dbname allocated on talloc_tos */
static char *counters_directory(const char *dbname)
{
	char *dir_path = NULL;
	char *db_subpath = NULL;
	char *ret = NULL;

	dir_path = state_path(PERFCOUNTDIR);
	if (dir_path == NULL) {
		return NULL;
	}

	if (!directory_create_or_exist(dir_path, 0755)) {
		TALLOC_FREE(dir_path);
		return NULL;
	}

	db_subpath = talloc_asprintf(dir_path, "%s/%s", PERFCOUNTDIR, dbname);
	if (db_subpath == NULL) {
		TALLOC_FREE(dir_path);
		return NULL;
	}

	ret = state_path(db_subpath);
	TALLOC_FREE(dir_path);
	return ret;
}
Beispiel #2
0
static char *lpcfg_common_path(TALLOC_CTX* mem_ctx,
			       const char *parent,
			       const char *name)
{
	char *fname, *dname;
	bool ok;

	if (name == NULL) {
		return NULL;
	}
	if (name[0] == 0 || name[0] == '/' || strstr(name, ":/")) {
		return talloc_strdup(mem_ctx, name);
	}

	dname = talloc_strdup(mem_ctx, parent);
	if (dname == NULL) {
		return NULL;
	}
	trim_string(dname,"","/");

	ok = directory_create_or_exist(dname, geteuid(), 0755);
	if (!ok) {
		DEBUG(1, ("Unable to create directory %s for file %s. "
			  "Error was %s\n", dname, name, strerror(errno)));
		return NULL;
	}

	fname = talloc_asprintf(mem_ctx, "%s/%s", dname, name);
	if (fname == NULL) {
		return dname;
	}
	talloc_free(dname);

	return fname;
}
Beispiel #3
0
/**
  return a path in the smbd.tmp directory, where all temporary file
  for smbd go. If NULL is passed for name then return the directory 
  path itself
*/
char *smbd_tmp_path(TALLOC_CTX *mem_ctx, 
			     struct loadparm_context *lp_ctx,
			     const char *name)
{
	char *fname, *dname;
	bool ok;

	dname = lpcfg_private_path(mem_ctx, lp_ctx, "smbd.tmp");
	if (dname == NULL) {
		return NULL;
	}

	ok = directory_create_or_exist(dname, geteuid(), 0755);
	if (!ok) {
		return NULL;
	}

	if (name == NULL) {
		return dname;
	}

	fname = talloc_asprintf(mem_ctx, "%s/%s", dname, name);
	if (fname == NULL) {
		return dname;
	}
	talloc_free(dname);

	return fname;
}
Beispiel #4
0
int create_named_pipe_socket(const char *pipe_name)
{
	char *np_dir = NULL;
	int fd = -1;

	/*
	 * As lp_ncalrpc_dir() should have 0755, but
	 * lp_ncalrpc_dir()/np should have 0700, we need to
	 * create lp_ncalrpc_dir() first.
	 */
	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)));
		goto out;
	}

	np_dir = talloc_asprintf(talloc_tos(), "%s/np", lp_ncalrpc_dir());
	if (!np_dir) {
		DEBUG(0, ("Out of memory\n"));
		goto out;
	}

	if (!directory_create_or_exist(np_dir, geteuid(), 0700)) {
		DEBUG(0, ("Failed to create pipe directory %s - %s\n",
			  np_dir, strerror(errno)));
		goto out;
	}

	fd = create_pipe_sock(np_dir, pipe_name, 0700);
	if (fd == -1) {
		DEBUG(0, ("Failed to create pipe socket! [%s/%s]\n",
			  np_dir, pipe_name));
		goto out;
	}

	DEBUG(10, ("Openened pipe socket fd %d for %s\n", fd, pipe_name));

out:
	talloc_free(np_dir);
	return fd;
}
Beispiel #5
0
NTSTATUS tstream_setup_named_pipe(TALLOC_CTX *mem_ctx,
				  struct tevent_context *event_context,
				  struct loadparm_context *lp_ctx,
				  const struct model_ops *model_ops,
				  const struct stream_server_ops *stream_ops,
				  const char *pipe_name,
				  void *private_data,
				  void *process_context)
{
	char *dirname;
	struct named_pipe_socket *pipe_sock;
	NTSTATUS status = NT_STATUS_NO_MEMORY;;

	pipe_sock = talloc(mem_ctx, struct named_pipe_socket);
	if (pipe_sock == NULL) {
		goto fail;
	}

	/* remember the details about the pipe */
	pipe_sock->pipe_name	= strlower_talloc(pipe_sock, pipe_name);
	if (pipe_sock->pipe_name == NULL) {
		goto fail;
	}

	if (!directory_create_or_exist(lpcfg_ncalrpc_dir(lp_ctx), 0755)) {
		status = map_nt_error_from_unix_common(errno);
		DBG_ERR("Failed to create ncalrpc pipe directory '%s' - %s\n",
			lpcfg_ncalrpc_dir(lp_ctx), nt_errstr(status));
		goto fail;
	}

	dirname = talloc_asprintf(pipe_sock, "%s/np", lpcfg_ncalrpc_dir(lp_ctx));
	if (dirname == NULL) {
		goto fail;
	}

	if (!directory_create_or_exist_strict(dirname, geteuid(), 0700)) {
		status = map_nt_error_from_unix_common(errno);
		DBG_ERR("Failed to create stream pipe directory '%s' - %s\n",
			dirname, nt_errstr(status));
		goto fail;
	}

	if (strncmp(pipe_name, "\\pipe\\", 6) == 0) {
		pipe_name += 6;
	}

	pipe_sock->pipe_path = talloc_asprintf(pipe_sock, "%s/%s", dirname,
					       pipe_name);
	if (pipe_sock->pipe_path == NULL) {
		goto fail;
	}

	talloc_free(dirname);

	pipe_sock->ops = stream_ops;
	pipe_sock->private_data	= private_data;

	status = stream_setup_socket(pipe_sock,
				     event_context,
				     lp_ctx,
				     model_ops,
				     &named_pipe_stream_ops,
				     "unix",
				     pipe_sock->pipe_path,
				     NULL,
				     NULL,
				     pipe_sock,
				     process_context);
	if (!NT_STATUS_IS_OK(status)) {
		goto fail;
	}
	return NT_STATUS_OK;

 fail:
	talloc_free(pipe_sock);
	return status;
}
Beispiel #6
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);
}
Beispiel #7
0
 int main(int argc, const char *argv[])
{
	bool is_daemon = false;
	bool opt_interactive = false;
	bool Fork = true;
	bool no_process_group = false;
	bool log_stdout = false;
	poptContext pc;
	char *p_lmhosts = NULL;
	int opt;
	struct messaging_context *msg;
	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
	POPT_COMMON_DYNCONFIG
	POPT_TABLEEND
	};
	TALLOC_CTX *frame;
	NTSTATUS status;
	bool ok;

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

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

	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) ^ 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(talloc_tos()));

	/* 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

	/* Ignore children - no zombies. */
	CatchChild();

	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);
	}

	reopen_logs();

	if (lp_server_role() == ROLE_ACTIVE_DIRECTORY_DC
	    && !lp_parm_bool(-1, "server role check", "inhibit", false)) {
		/* TODO: when we have a merged set of defaults for
		 * loadparm, we could possibly check if the internal
		 * nbt server is in the list, and allow a startup if disabled */
		DEBUG(0, ("server role = 'active directory domain controller' not compatible with running nmbd standalone. \n"));
		DEBUGADD(0, ("You should start 'samba' instead, and it will control starting the internal nbt server\n"));
		exit(1);
	}

	msg = messaging_init(NULL, server_event_context());
	if (msg == 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

#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_wins_dns_proxy()) {
		start_async_dns(msg);
	}
#endif

	ok = directory_create_or_exist(lp_lockdir(), geteuid(), 0755);
	if (!ok) {
		exit_daemon("Failed to create directory for lock files, check 'lock directory'", errno);
	}

	ok = directory_create_or_exist(lp_piddir(), geteuid(), 0755);
	if (!ok) {
		exit_daemon("Failed to create directory for pid files, check 'pid directory'", errno);
	}

	pidfile_create(lp_piddir(), "nmbd");

	status = reinit_after_fork(msg, nmbd_event_context(),
				   false);

	if (!NT_STATUS_IS_OK(status)) {
		exit_daemon("reinit_after_fork() failed", map_errno_from_nt_status(status));
	}

	/*
	 * Do not initialize the parent-child-pipe before becoming
	 * a daemon: this is used to detect a died parent in the child
	 * process.
	 */
	status = init_before_fork();
	if (!NT_STATUS_IS_OK(status)) {
		exit_daemon(nt_errstr(status), map_errno_from_nt_status(status));
	}

	if (!nmbd_setup_sig_term_handler(msg))
		exit_daemon("NMBD failed to setup signal handler", EINVAL);
	if (!nmbd_setup_stdin_handler(msg, !Fork))
		exit_daemon("NMBD failed to setup stdin handler", EINVAL);
	if (!nmbd_setup_sig_hup_handler(msg))
		exit_daemon("NMBD failed to setup SIGHUP handler", EINVAL);

	/* get broadcast messages */

	if (!serverid_register(messaging_server_id(msg),
				FLAG_MSG_GENERAL |
				FLAG_MSG_NMBD |
				FLAG_MSG_DBWRAP)) {
		exit_daemon("Could not register NMBD process in serverid.tdb", EACCES);
	}

	messaging_register(msg, NULL, MSG_FORCE_ELECTION,
			   nmbd_message_election);
#if 0
	/* Until winsrepl is done. */
	messaging_register(msg, NULL, MSG_WINS_NEW_ENTRY,
			   nmbd_wins_new_entry);
#endif
	messaging_register(msg, NULL, MSG_SHUTDOWN,
			   nmbd_terminate);
	messaging_register(msg, NULL, MSG_SMB_CONF_UPDATED,
			   msg_reload_nmbd_services);
	messaging_register(msg, 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() ) {
		kill_async_dns_child();
		exit_daemon("NMBD failed when creating subnet lists", EACCES);
	}

	/* 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() ) {
		kill_async_dns_child();
		exit_daemon( "NMBD failed when initialising WINS server.", EACCES);
	}

	/* 
	 * 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() ) {
		kill_async_dns_child();
		exit_daemon( "NMBD failed when creating my workgroup.", EACCES);
	}

	if (!initialize_nmbd_proxy_logon()) {
		kill_async_dns_child();
		exit_daemon( "NMBD failed to setup nmbd_proxy_logon.", EACCES);
	}

	if (!nmbd_init_packet_server()) {
		kill_async_dns_child();
		exit_daemon( "NMBD failed to setup packet server.", EACCES);
	}

	if (is_daemon && !opt_interactive) {
		daemon_ready("nmbd");
	}

	TALLOC_FREE(frame);
	process(msg);

	kill_async_dns_child();
	return(0);
}
Beispiel #8
0
/*
  open the ldap server sockets
*/
static void ldapsrv_task_init(struct task_server *task)
{	
	char *ldapi_path;
#ifdef WITH_LDAPI_PRIV_SOCKET
	char *priv_dir;
#endif
	struct ldapsrv_service *ldap_service;
	NTSTATUS status;
	const struct model_ops *model_ops;

	switch (lp_server_role(task->lp_ctx)) {
	case ROLE_STANDALONE:
		task_server_terminate(task, "ldap_server: no LDAP server required in standalone configuration", 
				      false);
		return;
	case ROLE_DOMAIN_MEMBER:
		task_server_terminate(task, "ldap_server: no LDAP server required in member server configuration", 
				      false);
		return;
	case ROLE_DOMAIN_CONTROLLER:
		/* Yes, we want an LDAP server */
		break;
	}

	task_server_set_title(task, "task[ldapsrv]");

	/* run the ldap server as a single process */
	model_ops = process_model_startup(task->event_ctx, "single");
	if (!model_ops) goto failed;

	ldap_service = talloc_zero(task, struct ldapsrv_service);
	if (ldap_service == NULL) goto failed;

	ldap_service->task = task;

	ldap_service->tls_params = tls_initialise(ldap_service, task->lp_ctx);
	if (ldap_service->tls_params == NULL) goto failed;

	if (lp_interfaces(task->lp_ctx) && lp_bind_interfaces_only(task->lp_ctx)) {
		struct interface *ifaces;
		int num_interfaces;
		int i;

		load_interfaces(task, lp_interfaces(task->lp_ctx), &ifaces);
		num_interfaces = iface_count(ifaces);

		/* We have been given an interfaces line, and been 
		   told to only bind to those interfaces. Create a
		   socket per interface and bind to only these.
		*/
		for(i = 0; i < num_interfaces; i++) {
			const char *address = iface_n_ip(ifaces, i);
			status = add_socket(task->event_ctx, task->lp_ctx, model_ops, address, ldap_service);
			if (!NT_STATUS_IS_OK(status)) goto failed;
		}
	} else {
		status = add_socket(task->event_ctx, task->lp_ctx, model_ops, 
				    lp_socket_address(task->lp_ctx), ldap_service);
		if (!NT_STATUS_IS_OK(status)) goto failed;
	}

	ldapi_path = private_path(ldap_service, task->lp_ctx, "ldapi");
	if (!ldapi_path) {
		goto failed;
	}

	status = stream_setup_socket(task->event_ctx, task->lp_ctx,
				     model_ops, &ldap_stream_nonpriv_ops,
				     "unix", ldapi_path, NULL, 
				     lp_socket_options(task->lp_ctx), 
				     ldap_service);
	talloc_free(ldapi_path);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("ldapsrv failed to bind to %s - %s\n",
			 ldapi_path, nt_errstr(status)));
	}

#ifdef WITH_LDAPI_PRIV_SOCKET
	priv_dir = private_path(ldap_service, task->lp_ctx, "ldap_priv");
	if (priv_dir == NULL) {
		goto failed;
	}
	/*
	 * Make sure the directory for the privileged ldapi socket exists, and
	 * is of the correct permissions
	 */
	if (!directory_create_or_exist(priv_dir, geteuid(), 0750)) {
		task_server_terminate(task, "Cannot create ldap "
				      "privileged ldapi directory", true);
		return;
	}
	ldapi_path = talloc_asprintf(ldap_service, "%s/ldapi", priv_dir);
	talloc_free(priv_dir);
	if (ldapi_path == NULL) {
		goto failed;
	}

	status = stream_setup_socket(task->event_ctx, task->lp_ctx,
				     model_ops, &ldap_stream_priv_ops,
				     "unix", ldapi_path, NULL,
				     lp_socket_options(task->lp_ctx),
				     ldap_service);
	talloc_free(ldapi_path);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("ldapsrv failed to bind to %s - %s\n",
			 ldapi_path, nt_errstr(status)));
	}

#endif
	return;

failed:
	task_server_terminate(task, "Failed to startup ldap server task", true);
}
Beispiel #9
0
/*
  startup the winbind task
*/
static void winbind_task_init(struct task_server *task)
{
	uint16_t port = 1;
	const struct model_ops *model_ops;
	NTSTATUS status;
	struct wbsrv_service *service;
	struct wbsrv_listen_socket *listen_socket;

	task_server_set_title(task, "task[winbind]");

	/* within the winbind task we want to be a single process, so
	   ask for the single process model ops and pass these to the
	   stream_setup_socket() call. */
	model_ops = process_model_startup(task->event_ctx, "single");
	if (!model_ops) {
		task_server_terminate(task,
				      "Can't find 'single' process model_ops", true);
		return;
	}

	/* Make sure the directory for the Samba3 socket exists, and is of the correct permissions */
	if (!directory_create_or_exist(lp_winbindd_socket_directory(task->lp_ctx), geteuid(), 0755)) {
		task_server_terminate(task,
				      "Cannot create winbindd pipe directory", true);
		return;
	}

	/* Make sure the directory for the Samba3 socket exists, and is of the correct permissions */
	if (!directory_create_or_exist(lp_winbindd_privileged_socket_directory(task->lp_ctx), geteuid(), 0750)) {
		task_server_terminate(task,
				      "Cannot create winbindd privileged pipe directory", true);
		return;
	}

	service = talloc_zero(task, struct wbsrv_service);
	if (!service) goto nomem;
	service->task	= task;

	status = wbsrv_setup_domains(service);
	if (!NT_STATUS_IS_OK(status)) {
		task_server_terminate(task, nt_errstr(status), true);
		return;
	}

	service->idmap_ctx = idmap_init(service, task->event_ctx, task->lp_ctx);
	if (service->idmap_ctx == NULL) {
		task_server_terminate(task, "Failed to load idmap database", true);
		return;
	}

	/* setup the unprivileged samba3 socket */
	listen_socket = talloc(service, struct wbsrv_listen_socket);
	if (!listen_socket) goto nomem;
	listen_socket->socket_path	= talloc_asprintf(listen_socket, "%s/%s", 
							  lp_winbindd_socket_directory(task->lp_ctx), 
							  WINBINDD_SAMBA3_SOCKET);
	if (!listen_socket->socket_path) goto nomem;
	listen_socket->service		= service;
	listen_socket->privileged	= false;
	status = stream_setup_socket(task->event_ctx, task->lp_ctx, model_ops,
				     &wbsrv_ops, "unix",
				     listen_socket->socket_path, &port,
				     lp_socket_options(task->lp_ctx), 
				     listen_socket);
	if (!NT_STATUS_IS_OK(status)) goto listen_failed;

	/* setup the privileged samba3 socket */
	listen_socket = talloc(service, struct wbsrv_listen_socket);
	if (!listen_socket) goto nomem;
	listen_socket->socket_path 
		= service->priv_socket_path 
		= talloc_asprintf(listen_socket, "%s/%s", 
							  lp_winbindd_privileged_socket_directory(task->lp_ctx), 
							  WINBINDD_SAMBA3_SOCKET);
	if (!listen_socket->socket_path) goto nomem;
	if (!listen_socket->socket_path) goto nomem;
	listen_socket->service		= service;
	listen_socket->privileged	= true;
	status = stream_setup_socket(task->event_ctx, task->lp_ctx, model_ops,
				     &wbsrv_ops, "unix",
				     listen_socket->socket_path, &port,
				     lp_socket_options(task->lp_ctx), 
				     listen_socket);
	if (!NT_STATUS_IS_OK(status)) goto listen_failed;

	status = wbsrv_init_irpc(service);
	if (!NT_STATUS_IS_OK(status)) goto irpc_failed;

	return;

listen_failed:
	DEBUG(0,("stream_setup_socket(path=%s) failed - %s\n",
		 listen_socket->socket_path, nt_errstr(status)));
	task_server_terminate(task, nt_errstr(status), true);
	return;
irpc_failed:
	DEBUG(0,("wbsrv_init_irpc() failed - %s\n",
		 nt_errstr(status)));
	task_server_terminate(task, nt_errstr(status), true);
	return;
nomem:
	task_server_terminate(task, nt_errstr(NT_STATUS_NO_MEMORY), true);
	return;
}