Ejemplo n.º 1
0
Archivo: util.c Proyecto: amitay/samba
/**
 A useful function for returning a path in the Samba lock directory.
**/
char *lpcfg_lock_path(TALLOC_CTX* mem_ctx, struct loadparm_context *lp_ctx,
			 const char *name)
{
	char *fname, *dname;
	if (name == NULL) {
		return NULL;
	}
	if (name[0] == 0 || name[0] == '/' || strstr(name, ":/")) {
		return talloc_strdup(mem_ctx, name);
	}

	dname = talloc_strdup(mem_ctx, lpcfg_lockdir(lp_ctx));
	trim_string(dname,"","/");
	
	if (!directory_exist(dname)) {
		if (!mkdir(dname,0755))
			DEBUG(1, ("Unable to create directory %s for file %s. "
			      "Error was %s\n", dname, name, strerror(errno)));
	}
	
	fname = talloc_asprintf(mem_ctx, "%s/%s", dname, name);

	talloc_free(dname);

	return fname;
}
Ejemplo n.º 2
0
/*
 main server.
*/
static int binary_smbd_main(const char *binary_name, int argc, const char *argv[])
{
	bool opt_daemon = false;
	bool opt_interactive = false;
	int opt;
	poptContext pc;
#define _MODULE_PROTO(init) extern NTSTATUS init(void);
	STATIC_service_MODULES_PROTO;
	init_module_fn static_init[] = { STATIC_service_MODULES };
	init_module_fn *shared_init;
	struct tevent_context *event_ctx;
	uint16_t stdin_event_flags;
	NTSTATUS status;
	const char *model = "standard";
	int max_runtime = 0;
	enum {
		OPT_DAEMON = 1000,
		OPT_INTERACTIVE,
		OPT_PROCESS_MODEL,
		OPT_SHOW_BUILD
	};
	struct poptOption long_options[] = {
		POPT_AUTOHELP
		{"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON,
		 "Become a daemon (default)", NULL },
		{"interactive",	'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE,
		 "Run interactive (not a daemon)", NULL},
		{"model", 'M', POPT_ARG_STRING,	NULL, OPT_PROCESS_MODEL, 
		 "Select process model", "MODEL"},
		{"maximum-runtime",0, POPT_ARG_INT, &max_runtime, 0, 
		 "set maximum runtime of the server process, till autotermination", "seconds"},
		{"show-build", 'b', POPT_ARG_NONE, NULL, OPT_SHOW_BUILD, "show build info", NULL },
		POPT_COMMON_SAMBA
		POPT_COMMON_VERSION
		{ NULL }
	};

	pc = poptGetContext(binary_name, argc, argv, long_options, 0);
	while((opt = poptGetNextOpt(pc)) != -1) {
		switch(opt) {
		case OPT_DAEMON:
			opt_daemon = true;
			break;
		case OPT_INTERACTIVE:
			opt_interactive = true;
			break;
		case OPT_PROCESS_MODEL:
			model = poptGetOptArg(pc);
			break;
		case OPT_SHOW_BUILD:
			show_build();
			break;
		default:
			fprintf(stderr, "\nInvalid option %s: %s\n\n",
				  poptBadOption(pc, 0), poptStrerror(opt));
			poptPrintUsage(pc, stderr, 0);
			return 1;
		}
	}

	if (opt_daemon && opt_interactive) {
		fprintf(stderr,"\nERROR: "
			  "Option -i|--interactive is not allowed together with -D|--daemon\n\n");
		poptPrintUsage(pc, stderr, 0);
		return 1;
	} else if (!opt_interactive) {
		/* default is --daemon */
		opt_daemon = true;
	}

	poptFreeContext(pc);

	setup_logging(binary_name, opt_interactive?DEBUG_STDOUT:DEBUG_FILE);
	setup_signals();

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

	DEBUG(0,("%s version %s started.\n", binary_name, SAMBA_VERSION_STRING));
	DEBUGADD(0,("Copyright Andrew Tridgell and the Samba Team 1992-2011\n"));

	if (sizeof(uint16_t) < 2 || sizeof(uint32_t) < 4 || sizeof(uint64_t) < 8) {
		DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
		DEBUGADD(0,("sizeof(uint16_t) = %u, sizeof(uint32_t) %u, sizeof(uint64_t) = %u\n",
			    (unsigned int)sizeof(uint16_t), (unsigned int)sizeof(uint32_t), (unsigned int)sizeof(uint64_t)));
		return 1;
	}

	if (opt_daemon) {
		DEBUG(3,("Becoming a daemon.\n"));
		become_daemon(true, false, false);
	}

	cleanup_tmp_files(cmdline_lp_ctx);

	if (!directory_exist(lpcfg_lockdir(cmdline_lp_ctx))) {
		mkdir(lpcfg_lockdir(cmdline_lp_ctx), 0755);
	}

	pidfile_create(lpcfg_piddir(cmdline_lp_ctx), binary_name);

	/* Set up a database to hold a random seed, in case we don't
	 * have /dev/urandom */
	if (!randseed_init(talloc_autofree_context(), cmdline_lp_ctx)) {
		return 1;
	}

	if (lpcfg_server_role(cmdline_lp_ctx) == ROLE_DOMAIN_CONTROLLER) {
		if (!open_schannel_session_store(talloc_autofree_context(), lpcfg_private_dir(cmdline_lp_ctx))) {
			DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n"));
			exit(1);
		}
	}

	gensec_init(); /* FIXME: */

	ntptr_init();	/* FIXME: maybe run this in the initialization function 
						of the spoolss RPC server instead? */

	ntvfs_init(cmdline_lp_ctx); 	/* FIXME: maybe run this in the initialization functions 
						of the SMB[,2] server instead? */

	process_model_init(cmdline_lp_ctx); 

	shared_init = load_samba_modules(NULL, "service");

	run_init_functions(static_init);
	run_init_functions(shared_init);

	talloc_free(shared_init);
	
	/* the event context is the top level structure in smbd. Everything else
	   should hang off that */
	event_ctx = s4_event_context_init(talloc_autofree_context());

	if (event_ctx == NULL) {
		DEBUG(0,("Initializing event context failed\n"));
		return 1;
	}

	if (opt_interactive) {
		/* terminate when stdin goes away */
		stdin_event_flags = TEVENT_FD_READ;
	} else {
		/* stay alive forever */
		stdin_event_flags = 0;
	}

	/* catch EOF on stdin */
#ifdef SIGTTIN
	signal(SIGTTIN, SIG_IGN);
#endif
	tevent_add_fd(event_ctx, event_ctx, 0, stdin_event_flags,
		      server_stdin_handler,
		      discard_const(binary_name));

	if (max_runtime) {
		DEBUG(0,("Called with maxruntime %d - current ts %llu\n",
		      max_runtime, (unsigned long long) time(NULL)));
		tevent_add_timer(event_ctx, event_ctx,
				 timeval_current_ofs(max_runtime, 0),
				 max_runtime_handler,
				 discard_const(binary_name));
	}

	prime_ldb_databases(event_ctx);

	status = setup_parent_messaging(event_ctx, cmdline_lp_ctx);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("Failed to setup parent messaging - %s\n", nt_errstr(status)));
		return 1;
	}

	DEBUG(0,("%s: using '%s' process model\n", binary_name, model));

	status = server_service_startup(event_ctx, cmdline_lp_ctx, model, 
					lpcfg_server_services(cmdline_lp_ctx));
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("Starting Services failed - %s\n", nt_errstr(status)));
		return 1;
	}

	/* wait for events - this is where smbd sits for most of its
	   life */
	tevent_loop_wait(event_ctx);

	/* as everything hangs off this event context, freeing it
	   should initiate a clean shutdown of all services */
	talloc_free(event_ctx);

	return 0;
}
Ejemplo n.º 3
0
/**
 A useful function for returning a path in the Samba lock directory.
**/
char *lpcfg_lock_path(TALLOC_CTX* mem_ctx, struct loadparm_context *lp_ctx,
			 const char *name)
{
	return lpcfg_common_path(mem_ctx, lpcfg_lockdir(lp_ctx), name);
}