Esempio n. 1
0
void map_max_allowed_access(const struct security_token *nt_token,
			    const struct security_unix_token *unix_token,
			    uint32_t *pacc_requested)
{
	if (!((*pacc_requested) & MAXIMUM_ALLOWED_ACCESS)) {
		return;
	}
	*pacc_requested &= ~MAXIMUM_ALLOWED_ACCESS;

	/* At least try for generic read|execute - Everyone gets that. */
	*pacc_requested = GENERIC_READ_ACCESS|GENERIC_EXECUTE_ACCESS;

	/* root gets anything. */
	if (unix_token->uid == sec_initial_uid()) {
		*pacc_requested |= GENERIC_ALL_ACCESS;
		return;
	}

	/* Full Access for 'BUILTIN\Administrators' and 'BUILTIN\Account Operators */

	if (security_token_has_sid(nt_token, &global_sid_Builtin_Administrators) ||
			security_token_has_sid(nt_token, &global_sid_Builtin_Account_Operators)) {
		*pacc_requested |= GENERIC_ALL_ACCESS;
		return;
	}

	/* Full access for DOMAIN\Domain Admins. */
	if ( IS_DC ) {
		struct dom_sid domadmin_sid;
		sid_compose(&domadmin_sid, get_global_sam_sid(),
			    DOMAIN_RID_ADMINS);
		if (security_token_has_sid(nt_token, &domadmin_sid)) {
			*pacc_requested |= GENERIC_ALL_ACCESS;
			return;
		}
	}
	/* TODO ! Check privileges. */
}
Esempio n. 2
0
static NTSTATUS get_system_info3(TALLOC_CTX *mem_ctx,
				 struct passwd *pwd,
				 struct netr_SamInfo3 *info3)
{
	struct dom_sid domain_sid;
	const char *tmp;

	/* Set account name */
	tmp = talloc_strdup(mem_ctx, pwd->pw_name);
	if (tmp == NULL) {
		return NT_STATUS_NO_MEMORY;
	}
	init_lsa_String(&info3->base.account_name, tmp);

	/* Set domain name */
	tmp = talloc_strdup(mem_ctx, get_global_sam_name());
	if (tmp == NULL) {
		return NT_STATUS_NO_MEMORY;
	}
	init_lsa_StringLarge(&info3->base.domain, tmp);

	/* Domain sid */
	sid_copy(&domain_sid, get_global_sam_sid());

	info3->base.domain_sid = dom_sid_dup(mem_ctx, &domain_sid);
	if (info3->base.domain_sid == NULL) {
		return NT_STATUS_NO_MEMORY;
	}

	/* Admin rid */
	info3->base.rid = DOMAIN_RID_ADMINISTRATOR;

	/* Primary gid */
	info3->base.primary_gid = BUILTIN_RID_ADMINISTRATORS;

	return NT_STATUS_OK;
}
Esempio n. 3
0
/*
 Retrieve our local SID or the SID for the specified name
 */
static int net_getlocalsid(struct net_context *c, int argc, const char **argv)
{
        DOM_SID sid;
	const char *name;
	fstring sid_str;

	if (argc >= 1) {
		name = argv[0];
        }
	else {
		name = global_myname();
	}

	if(!initialize_password_db(false, NULL)) {
		DEBUG(0, ("WARNING: Could not open passdb - local sid may not reflect passdb\n"
			  "backend knowledge (such as the sid stored in LDAP)\n"));
	}

	/* first check to see if we can even access secrets, so we don't
	   panic when we can't. */

	if (!secrets_init()) {
		d_fprintf(stderr, "Unable to open secrets.tdb.  Can't fetch domain SID for name: %s\n", name);
		return 1;
	}

	/* Generate one, if it doesn't exist */
	get_global_sam_sid();

	if (!secrets_fetch_domain_sid(name, &sid)) {
		DEBUG(0, ("Can't fetch domain SID for name: %s\n", name));
		return 1;
	}
	sid_to_fstring(sid_str, &sid);
	d_printf("SID for domain %s is: %s\n", name, sid_str);
	return 0;
}
Esempio n. 4
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);
}
Esempio n. 5
0
BOOL sid_check_is_domain(const DOM_SID *sid)
{
	return sid_equal(sid, get_global_sam_sid());
}
Esempio n. 6
0
bool sid_check_is_domain(const struct dom_sid *sid)
{
    return dom_sid_equal(sid, get_global_sam_sid());
}
Esempio n. 7
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);
}
Esempio n. 8
0
static int export_database (struct pdb_methods *in,
                            struct pdb_methods *out,
                            const char *username)
{
	NTSTATUS status;
	struct pdb_search *u_search;
	struct samr_displayentry userentry;

	DEBUG(3, ("export_database: username=\"%s\"\n", username ? username : "******"));

	u_search = pdb_search_init(talloc_tos(), PDB_USER_SEARCH);
	if (u_search == NULL) {
		DEBUG(0, ("pdb_search_init failed\n"));
		return 1;
	}

	if (!in->search_users(in, u_search, 0)) {
		DEBUG(0, ("Could not start searching users\n"));
		TALLOC_FREE(u_search);
		return 1;
	}

	while (u_search->next_entry(u_search, &userentry)) {
		struct samu *user;
		struct samu *account;
		struct dom_sid user_sid;

		DEBUG(4, ("Processing account %s\n", userentry.account_name));

		if ((username != NULL)
		    && (strcmp(username, userentry.account_name) != 0)) {
			/*
			 * ignore unwanted users
			 */
			continue;
		}

		user = samu_new(talloc_tos());
		if (user == NULL) {
			DEBUG(0, ("talloc failed\n"));
			break;
		}

		sid_compose(&user_sid, get_global_sam_sid(), userentry.rid);

		status = in->getsampwsid(in, user, &user_sid);

		if (!NT_STATUS_IS_OK(status)) {
			DEBUG(2, ("getsampwsid failed: %s\n",
				  nt_errstr(status)));
			TALLOC_FREE(user);
			continue;
		}

		account = samu_new(NULL);
		if (account == NULL) {
			fprintf(stderr, "export_database: Memory allocation "
				"failure!\n");
			TALLOC_FREE( user );
			TALLOC_FREE(u_search);
			return 1;
		}

		printf("Importing account for %s...", user->username);
		status = out->getsampwnam(out, account, user->username);

		if (NT_STATUS_IS_OK(status)) {
			status = out->update_sam_account( out, user );
		} else {
			status = out->add_sam_account(out, user);
		}

		if ( NT_STATUS_IS_OK(status) ) {
			printf( "ok\n");
		} else {
			printf( "failed\n");
		}

		TALLOC_FREE( account );
		TALLOC_FREE( user );
	}

	TALLOC_FREE(u_search);

	return 0;
}
Esempio n. 9
0
static int net_groupmap_set(struct net_context *c, int argc, const char **argv)
{
	const char *ntgroup = NULL;
	struct group *grp = NULL;
	GROUP_MAP *map;
	bool have_map = false;

	if ((argc < 1) || (argc > 2) || c->display_usage) {
		d_printf("%s\n%s",
			 _("Usage:"),
			 _(" net groupmap set \"NT Group\" "
			   "[\"unix group\"] [-C \"comment\"] [-L] [-D]\n"));
		return -1;
	}

	if ( c->opt_localgroup && c->opt_domaingroup ) {
		d_printf(_("Can only specify -L or -D, not both\n"));
		return -1;
	}

	ntgroup = argv[0];

	if (argc == 2) {
		grp = getgrnam(argv[1]);

		if (grp == NULL) {
			d_fprintf(stderr, _("Could not find unix group %s\n"),
				  argv[1]);
			return -1;
		}
	}

	map = talloc_zero(NULL, GROUP_MAP);
	if (!map) {
		d_printf(_("Out of memory!\n"));
		return -1;
	}

	have_map = pdb_getgrnam(map, ntgroup);

	if (!have_map) {
		struct dom_sid sid;
		have_map = ( (strncmp(ntgroup, "S-", 2) == 0) &&
			     string_to_sid(&sid, ntgroup) &&
			     pdb_getgrsid(map, sid) );
	}

	if (!have_map) {

		/* Ok, add it */

		if (grp == NULL) {
			d_fprintf(stderr,
				  _("Could not find group mapping for %s\n"),
				  ntgroup);
			TALLOC_FREE(map);
			return -1;
		}

		map->gid = grp->gr_gid;

		if (c->opt_rid == 0) {
			if ( pdb_capabilities() & PDB_CAP_STORE_RIDS ) {
				if ( !pdb_new_rid((uint32*)&c->opt_rid) ) {
					d_fprintf( stderr,
					    _("Could not allocate new RID\n"));
					TALLOC_FREE(map);
					return -1;
				}
			} else {
				c->opt_rid = algorithmic_pdb_gid_to_group_rid(map->gid);
			}
		}

		sid_compose(&map->sid, get_global_sam_sid(), c->opt_rid);

		map->sid_name_use = SID_NAME_DOM_GRP;
		map->nt_name = talloc_strdup(map, ntgroup);
		map->comment = talloc_strdup(map, "");
		if (!map->nt_name || !map->comment) {
			d_printf(_("Out of memory!\n"));
			TALLOC_FREE(map);
			return -1;
		}

		if (!NT_STATUS_IS_OK(pdb_add_group_mapping_entry(map))) {
			d_fprintf(stderr,
				  _("Could not add mapping entry for %s\n"),
				  ntgroup);
			TALLOC_FREE(map);
			return -1;
		}
	}

	/* Now we have a mapping entry, update that stuff */

	if ( c->opt_localgroup || c->opt_domaingroup ) {
		if (map->sid_name_use == SID_NAME_WKN_GRP) {
			d_fprintf(stderr,
				  _("Can't change type of the BUILTIN "
				    "group %s\n"),
				  map->nt_name);
			TALLOC_FREE(map);
			return -1;
		}
	}

	if (c->opt_localgroup)
		map->sid_name_use = SID_NAME_ALIAS;

	if (c->opt_domaingroup)
		map->sid_name_use = SID_NAME_DOM_GRP;

	/* The case (opt_domaingroup && opt_localgroup) was tested for above */

	if ((c->opt_comment != NULL) && (strlen(c->opt_comment) > 0)) {
		map->comment = talloc_strdup(map, c->opt_comment);
		if (!map->comment) {
			d_printf(_("Out of memory!\n"));
			TALLOC_FREE(map);
			return -1;
		}
	}

	if ((c->opt_newntname != NULL) && (strlen(c->opt_newntname) > 0)) {
		map->nt_name = talloc_strdup(map, c->opt_newntname);
		if (!map->nt_name) {
			d_printf(_("Out of memory!\n"));
			TALLOC_FREE(map);
			return -1;
		}
	}

	if (grp != NULL)
		map->gid = grp->gr_gid;

	if (!NT_STATUS_IS_OK(pdb_update_group_mapping_entry(map))) {
		d_fprintf(stderr, _("Could not update group mapping for %s\n"),
			  ntgroup);
		TALLOC_FREE(map);
		return -1;
	}

	TALLOC_FREE(map);
	return 0;
}
Esempio n. 10
0
static NTSTATUS add_new_domain_info(struct smbldap_state *ldap_state,
                                    const char *domain_name)
{
	fstring sid_string;
	fstring algorithmic_rid_base_string;
	char *filter = NULL;
	char *dn = NULL;
	LDAPMod **mods = NULL;
	int rc;
	LDAPMessage *result = NULL;
	int num_result;
	const char **attr_list;
	char *escape_domain_name;

	/* escape for filter */
	escape_domain_name = escape_ldap_string(talloc_tos(), domain_name);
	if (!escape_domain_name) {
		DEBUG(0, ("Out of memory!\n"));
		return NT_STATUS_NO_MEMORY;
	}

	if (asprintf(&filter, "(&(%s=%s)(objectclass=%s))",
		get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
			escape_domain_name, LDAP_OBJ_DOMINFO) < 0) {
		TALLOC_FREE(escape_domain_name);
		return NT_STATUS_NO_MEMORY;
	}

	TALLOC_FREE(escape_domain_name);

	attr_list = get_attr_list(NULL, dominfo_attr_list );
	rc = smbldap_search_suffix(ldap_state, filter, attr_list, &result);
	TALLOC_FREE( attr_list );
	SAFE_FREE(filter);

	if (rc != LDAP_SUCCESS) {
		return NT_STATUS_UNSUCCESSFUL;
	}

	num_result = ldap_count_entries(ldap_state->ldap_struct, result);

	if (num_result > 1) {
		DEBUG (0, ("add_new_domain_info: More than domain with that name exists: bailing "
			   "out!\n"));
		ldap_msgfree(result);
		return NT_STATUS_UNSUCCESSFUL;
	}

	/* Check if we need to add an entry */
	DEBUG(3,("add_new_domain_info: Adding new domain\n"));

	/* this time escape for DN */
	escape_domain_name = escape_rdn_val_string_alloc(domain_name);
	if (!escape_domain_name) {
		DEBUG(0, ("Out of memory!\n"));
		return NT_STATUS_NO_MEMORY;
	}

	if (asprintf(&dn, "%s=%s,%s",
		     get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
		     escape_domain_name, lp_ldap_suffix(talloc_tos())) < 0) {
		SAFE_FREE(escape_domain_name);
		return NT_STATUS_NO_MEMORY;
	}

	SAFE_FREE(escape_domain_name);

	/* Free original search */
	ldap_msgfree(result);

	/* make the changes - the entry *must* not already have samba
	 * attributes */

	smbldap_set_mod(&mods, LDAP_MOD_ADD,
			get_attr_key2string(dominfo_attr_list,
					    LDAP_ATTR_DOMAIN),
			domain_name);

	/* If we don't have an entry, then ask secrets.tdb for what it thinks.
	   It may choose to make it up */

	sid_to_fstring(sid_string, get_global_sam_sid());
	smbldap_set_mod(&mods, LDAP_MOD_ADD,
			get_attr_key2string(dominfo_attr_list,
					    LDAP_ATTR_DOM_SID),
			sid_string);

	slprintf(algorithmic_rid_base_string,
		 sizeof(algorithmic_rid_base_string) - 1, "%i",
		 algorithmic_rid_base());
	smbldap_set_mod(&mods, LDAP_MOD_ADD,
			get_attr_key2string(dominfo_attr_list,
					    LDAP_ATTR_ALGORITHMIC_RID_BASE),
			algorithmic_rid_base_string);
	smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_DOMINFO);

	/* add the sambaNextUserRid attributes. */

	{
		uint32_t rid = BASE_RID;
		fstring rid_str;

		fstr_sprintf( rid_str, "%i", rid );
		DEBUG(10,("add_new_domain_info: setting next available user rid [%s]\n", rid_str));
		smbldap_set_mod(&mods, LDAP_MOD_ADD,
			get_attr_key2string(dominfo_attr_list,
					    LDAP_ATTR_NEXT_USERRID),
			rid_str);
        }


	rc = smbldap_add(ldap_state, dn, mods);

	if (rc!=LDAP_SUCCESS) {
		char *ld_error = NULL;
		ldap_get_option(ldap_state->ldap_struct,
				LDAP_OPT_ERROR_STRING, &ld_error);
		DEBUG(1,("add_new_domain_info: failed to add domain dn= %s with: %s\n\t%s\n",
			 dn, ldap_err2string(rc),
			 ld_error?ld_error:"unknown"));
		SAFE_FREE(ld_error);
		SAFE_FREE(dn);
		ldap_mods_free(mods, True);
		return NT_STATUS_UNSUCCESSFUL;
	}

	DEBUG(2,("add_new_domain_info: added: domain = %s in the LDAP database\n", domain_name));
	ldap_mods_free(mods, True);
	SAFE_FREE(dn);
	return NT_STATUS_OK;
}
Esempio n. 11
0
NTSTATUS passwd_to_SamInfo3(TALLOC_CTX *mem_ctx,
			    const char *unix_username,
			    const struct passwd *pwd,
			    struct netr_SamInfo3 **pinfo3,
			    struct extra_auth_info *extra)
{
	struct netr_SamInfo3 *info3;
	NTSTATUS status;
	TALLOC_CTX *tmp_ctx;
	const char *domain_name = NULL;
	const char *user_name = NULL;
	struct dom_sid domain_sid;
	struct dom_sid user_sid;
	struct dom_sid group_sid;
	enum lsa_SidType type;
	uint32_t num_sids = 0;
	struct dom_sid *user_sids = NULL;
	bool is_null;
	bool ok;

	tmp_ctx = talloc_stackframe();

	ok = lookup_name_smbconf(tmp_ctx,
				 unix_username,
				 LOOKUP_NAME_ALL,
				 &domain_name,
				 &user_name,
				 &user_sid,
				 &type);
	if (!ok) {
		status = NT_STATUS_NO_SUCH_USER;
		goto done;
	}

	if (type != SID_NAME_USER) {
		status = NT_STATUS_NO_SUCH_USER;
		goto done;
	}

	ok = winbind_lookup_usersids(tmp_ctx,
				     &user_sid,
				     &num_sids,
				     &user_sids);
	/* Check if winbind is running */
	if (ok) {
		/*
		 * Winbind is running and the first element of the user_sids
		 * is the primary group.
		 */
		if (num_sids > 0) {
			group_sid = user_sids[0];
		}
	} else {
		/*
		 * Winbind is not running, try to create the group_sid from the
		 * passwd group id.
		 */

		/*
		 * This can lead to a primary group of S-1-22-2-XX which
		 * will be rejected by other Samba code.
		 */
		gid_to_sid(&group_sid, pwd->pw_gid);
	}

	/*
	 * If we are a unix group, or a wellknown/builtin alias,
	 * set the group_sid to the
	 * 'Domain Users' RID of 513 which will always resolve to a
	 * name.
	 */
	if (sid_check_is_in_unix_groups(&group_sid) ||
	    sid_check_is_in_builtin(&group_sid) ||
	    sid_check_is_in_wellknown_domain(&group_sid)) {
		if (sid_check_is_in_unix_users(&user_sid)) {
			sid_compose(&group_sid,
				    get_global_sam_sid(),
				    DOMAIN_RID_USERS);
		} else {
			sid_copy(&domain_sid, &user_sid);
			sid_split_rid(&domain_sid, NULL);
			sid_compose(&group_sid,
				    &domain_sid,
				    DOMAIN_RID_USERS);
		}
	}

	/* Make sure we have a valid group sid */
	is_null = is_null_sid(&group_sid);
	if (is_null) {
		status = NT_STATUS_NO_SUCH_USER;
		goto done;
	}

	/* Construct a netr_SamInfo3 from the information we have */
	info3 = talloc_zero(tmp_ctx, struct netr_SamInfo3);
	if (!info3) {
		status = NT_STATUS_NO_MEMORY;
		goto done;
	}

	info3->base.account_name.string = talloc_strdup(info3, unix_username);
	if (info3->base.account_name.string == NULL) {
		status = NT_STATUS_NO_MEMORY;
		goto done;
	}

	ZERO_STRUCT(domain_sid);

	status = SamInfo3_handle_sids(unix_username,
				&user_sid,
				&group_sid,
				info3,
				&domain_sid,
				extra);

	if (!NT_STATUS_IS_OK(status)) {
		goto done;
	}

	info3->base.domain_sid = dom_sid_dup(info3, &domain_sid);
	if (info3->base.domain_sid == NULL) {
		status = NT_STATUS_NO_MEMORY;
		goto done;
	}

	ok = sid_peek_check_rid(&domain_sid, &group_sid,
				&info3->base.primary_gid);
	if (!ok) {
		DEBUG(1, ("The primary group domain sid(%s) does not "
			  "match the domain sid(%s) for %s(%s)\n",
			  sid_string_dbg(&group_sid),
			  sid_string_dbg(&domain_sid),
			  unix_username,
			  sid_string_dbg(&user_sid)));
		status = NT_STATUS_INVALID_SID;
		goto done;
	}

	info3->base.acct_flags = ACB_NORMAL;

	if (num_sids) {
		status = group_sids_to_info3(info3, user_sids, num_sids);
		if (!NT_STATUS_IS_OK(status)) {
			goto done;
		}
	}

	*pinfo3 = talloc_steal(mem_ctx, info3);

	status = NT_STATUS_OK;
done:
	talloc_free(tmp_ctx);

	return status;
}
Esempio n. 12
0
static NTSTATUS SamInfo3_handle_sids(const char *username,
			const struct dom_sid *user_sid,
			const struct dom_sid *group_sid,
			struct netr_SamInfo3 *info3,
			struct dom_sid *domain_sid,
			struct extra_auth_info *extra)
{
	if (sid_check_is_in_unix_users(user_sid)) {
		/* in info3 you can only set rids for the user and the
		 * primary group, and the domain sid must be that of
		 * the sam domain.
		 *
		 * Store a completely bogus value here.
		 * The real SID is stored in the extra sids.
		 * Other code will know to look there if (-1) is found
		 */
		info3->base.rid = (uint32_t)(-1);
		sid_copy(&extra->user_sid, user_sid);

		DEBUG(10, ("Unix User found. Rid marked as "
			"special and sid (%s) saved as extra sid\n",
			sid_string_dbg(user_sid)));
	} else {
		sid_copy(domain_sid, user_sid);
		sid_split_rid(domain_sid, &info3->base.rid);
	}

	if (is_null_sid(domain_sid)) {
		sid_copy(domain_sid, get_global_sam_sid());
	}

	/* check if this is a "Unix Groups" domain group,
	 * if so we need special handling */
	if (sid_check_is_in_unix_groups(group_sid)) {
		/* in info3 you can only set rids for the user and the
		 * primary group, and the domain sid must be that of
		 * the sam domain.
		 *
		 * Store a completely bogus value here.
		 * The real SID is stored in the extra sids.
		 * Other code will know to look there if (-1) is found
		 */
		info3->base.primary_gid = (uint32_t)(-1);
		sid_copy(&extra->pgid_sid, group_sid);

		DEBUG(10, ("Unix Group found. Rid marked as "
			"special and sid (%s) saved as extra sid\n",
			sid_string_dbg(group_sid)));
	} else {
		bool ok = sid_peek_check_rid(domain_sid, group_sid,
					&info3->base.primary_gid);
		if (!ok) {
			DEBUG(1, ("The primary group domain sid(%s) does not "
				"match the domain sid(%s) for %s(%s)\n",
				sid_string_dbg(group_sid),
				sid_string_dbg(domain_sid),
				username,
				sid_string_dbg(user_sid)));
			return NT_STATUS_INVALID_SID;
		}
	}
	return NT_STATUS_OK;
}
Esempio n. 13
0
NTSTATUS pdb_default_create_alias(struct pdb_methods *methods,
				  const char *name, uint32 *rid)
{
	DOM_SID sid;
	enum lsa_SidType type;
	uint32 new_rid;
	gid_t gid;
	bool exists;
	GROUP_MAP map;
	TALLOC_CTX *mem_ctx;
	NTSTATUS status;

	DEBUG(10, ("Trying to create alias %s\n", name));

	mem_ctx = talloc_new(NULL);
	if (mem_ctx == NULL) {
		return NT_STATUS_NO_MEMORY;
	}

	exists = lookup_name(mem_ctx, name, LOOKUP_NAME_LOCAL,
			     NULL, NULL, &sid, &type);
	TALLOC_FREE(mem_ctx);

	if (exists) {
		return NT_STATUS_ALIAS_EXISTS;
	}

	if (!winbind_allocate_gid(&gid)) {
		DEBUG(3, ("Could not get a gid out of winbind\n"));
		return NT_STATUS_ACCESS_DENIED;
	}

	if (!pdb_new_rid(&new_rid)) {
		DEBUG(0, ("Could not allocate a RID -- wasted a gid :-(\n"));
		return NT_STATUS_ACCESS_DENIED;
	}

	DEBUG(10, ("Creating alias %s with gid %d and rid %d\n",
		   name, gid, new_rid));

	sid_copy(&sid, get_global_sam_sid());
	sid_append_rid(&sid, new_rid);

	map.gid = gid;
	sid_copy(&map.sid, &sid);
	map.sid_name_use = SID_NAME_ALIAS;
	fstrcpy(map.nt_name, name);
	fstrcpy(map.comment, "");

	status = pdb_add_group_mapping_entry(&map);

	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0, ("Could not add group mapping entry for alias %s "
			  "(%s)\n", name, nt_errstr(status)));
		return status;
	}

	*rid = new_rid;

	return NT_STATUS_OK;
}
Esempio n. 14
0
static int new_machine (struct pdb_methods *in, const char *machine_in)
{
	struct samu *sam_pwent=NULL;
	fstring machinename;
	fstring machineaccount;
	struct passwd  *pwd = NULL;
	
	get_global_sam_sid();

	if (strlen(machine_in) == 0) {
		fprintf(stderr, "No machine name given\n");
		return -1;
	}

	fstrcpy(machinename, machine_in); 
	machinename[15]= '\0';

	if (machinename[strlen (machinename) -1] == '$')
		machinename[strlen (machinename) -1] = '\0';
	
	strlower_m(machinename);
	
	fstrcpy(machineaccount, machinename);
	fstrcat(machineaccount, "$");

	if ((pwd = getpwnam_alloc(NULL, machineaccount))) {

		if ( (sam_pwent = samu_new( NULL )) == NULL ) {
			fprintf(stderr, "Memory allocation error!\n");
			TALLOC_FREE(pwd);
			return -1;
		}

		if ( !NT_STATUS_IS_OK(samu_set_unix(sam_pwent, pwd )) ) {
			fprintf(stderr, "Could not init sam from pw\n");
			TALLOC_FREE(pwd);
			return -1;
		}

		TALLOC_FREE(pwd);
	} else {
		if ( (sam_pwent = samu_new( NULL )) == NULL ) {
			fprintf(stderr, "Could not init sam from pw\n");
			return -1;
		}
	}

	pdb_set_plaintext_passwd (sam_pwent, machinename);
	pdb_set_username (sam_pwent, machineaccount, PDB_CHANGED);	
	pdb_set_acct_ctrl (sam_pwent, ACB_WSTRUST, PDB_CHANGED);
	
	if (NT_STATUS_IS_OK(in->add_sam_account (in, sam_pwent))) {
		print_user_info (in, machineaccount, True, False);
	} else {
		fprintf (stderr, "Unable to add machine! (does it already exist?)\n");
		TALLOC_FREE(sam_pwent);
		return -1;
	}
	TALLOC_FREE(sam_pwent);
	return 0;
}
Esempio n. 15
0
/*********************************************************
 Add New User
**********************************************************/
static int new_user (struct pdb_methods *in, const char *username,
			const char *fullname, const char *homedir,
			const char *drive, const char *script,
			const char *profile, char *user_sid, BOOL stdin_get)
{
	struct samu *sam_pwent;
	char *password1, *password2;
	int rc_pwd_cmp;
	struct passwd *pwd;

	get_global_sam_sid();

	if ( !(pwd = getpwnam_alloc( NULL, username )) ) {
		DEBUG(0,("Cannot locate Unix account for %s\n", username));
		return -1;
	}

	if ( (sam_pwent = samu_new( NULL )) == NULL ) {
		DEBUG(0, ("Memory allocation failure!\n"));
		return -1;
	}

	if (!NT_STATUS_IS_OK(samu_alloc_rid_unix(sam_pwent, pwd ))) {
		TALLOC_FREE( sam_pwent );
		TALLOC_FREE( pwd );
		DEBUG(0, ("could not create account to add new user %s\n", username));
		return -1;
	}

	password1 = get_pass( "new password:"******"retype new password:"******"Passwords do not match!\n");
		TALLOC_FREE(sam_pwent);
	} else {
		pdb_set_plaintext_passwd(sam_pwent, password1);
	}

	memset(password1, 0, strlen(password1));
	SAFE_FREE(password1);
	memset(password2, 0, strlen(password2));
	SAFE_FREE(password2);

	/* pwds do _not_ match? */
	if (rc_pwd_cmp)
		return -1;

	if (fullname)
		pdb_set_fullname(sam_pwent, fullname, PDB_CHANGED);
	if (homedir)
		pdb_set_homedir (sam_pwent, homedir, PDB_CHANGED);
	if (drive)
		pdb_set_dir_drive (sam_pwent, drive, PDB_CHANGED);
	if (script)
		pdb_set_logon_script(sam_pwent, script, PDB_CHANGED);
	if (profile)
		pdb_set_profile_path (sam_pwent, profile, PDB_CHANGED);
	if (user_sid) {
		DOM_SID u_sid;
		if (!string_to_sid(&u_sid, user_sid)) {
			/* not a complete sid, may be a RID, try building a SID */
			int u_rid;
			
			if (sscanf(user_sid, "%d", &u_rid) != 1) {
				fprintf(stderr, "Error passed string is not a complete user SID or RID!\n");
				TALLOC_FREE(sam_pwent);
				return -1;
			}
			sid_copy(&u_sid, get_global_sam_sid());
			sid_append_rid(&u_sid, u_rid);
		}
		pdb_set_user_sid (sam_pwent, &u_sid, PDB_CHANGED);
	}
	
	pdb_set_acct_ctrl (sam_pwent, ACB_NORMAL, PDB_CHANGED);
	
	if (NT_STATUS_IS_OK(in->add_sam_account (in, sam_pwent))) { 
		print_user_info (in, username, True, False);
	} else {
		fprintf (stderr, "Unable to add user! (does it already exist?)\n");
		TALLOC_FREE(sam_pwent);
		return -1;
	}
	TALLOC_FREE(sam_pwent);
	return 0;
}
Esempio n. 16
0
static int set_user_info (struct pdb_methods *in, const char *username, 
			  const char *fullname, const char *homedir, 
			  const char *acct_desc, 
			  const char *drive, const char *script, 
			  const char *profile, const char *account_control,
			  const char *user_sid, const char *user_domain,
			  const BOOL badpw, const BOOL hours)
{
	BOOL updated_autolock = False, updated_badpw = False;
	struct samu *sam_pwent=NULL;
	BOOL ret;
	
	if ( (sam_pwent = samu_new( NULL )) == NULL ) {
		return 1;
	}
	
	ret = NT_STATUS_IS_OK(in->getsampwnam (in, sam_pwent, username));
	if (ret==False) {
		fprintf (stderr, "Username not found!\n");
		TALLOC_FREE(sam_pwent);
		return -1;
	}

	if (hours) {
		uint8 hours_array[MAX_HOURS_LEN];
		uint32 hours_len;
		
		hours_len = pdb_get_hours_len(sam_pwent);
		memset(hours_array, 0xff, hours_len);
		
		pdb_set_hours(sam_pwent, hours_array, PDB_CHANGED);
	}

	if (!pdb_update_autolock_flag(sam_pwent, &updated_autolock)) {
		DEBUG(2,("pdb_update_autolock_flag failed.\n"));
	}

	if (!pdb_update_bad_password_count(sam_pwent, &updated_badpw)) {
		DEBUG(2,("pdb_update_bad_password_count failed.\n"));
	}

	if (fullname)
		pdb_set_fullname(sam_pwent, fullname, PDB_CHANGED);
	if (acct_desc)
		pdb_set_acct_desc(sam_pwent, acct_desc, PDB_CHANGED);
	if (homedir)
		pdb_set_homedir(sam_pwent, homedir, PDB_CHANGED);
	if (drive)
		pdb_set_dir_drive(sam_pwent,drive, PDB_CHANGED);
	if (script)
		pdb_set_logon_script(sam_pwent, script, PDB_CHANGED);
	if (profile)
		pdb_set_profile_path (sam_pwent, profile, PDB_CHANGED);
	if (user_domain)
		pdb_set_domain(sam_pwent, user_domain, PDB_CHANGED);

	if (account_control) {
		uint32 not_settable = ~(ACB_DISABLED|ACB_HOMDIRREQ|ACB_PWNOTREQ|
					ACB_PWNOEXP|ACB_AUTOLOCK);

		uint32 newflag = pdb_decode_acct_ctrl(account_control);

		if (newflag & not_settable) {
			fprintf(stderr, "Can only set [NDHLX] flags\n");
			TALLOC_FREE(sam_pwent);
			return -1;
		}

		pdb_set_acct_ctrl(sam_pwent,
				  (pdb_get_acct_ctrl(sam_pwent) & not_settable) | newflag,
				  PDB_CHANGED);
	}
	if (user_sid) {
		DOM_SID u_sid;
		if (!string_to_sid(&u_sid, user_sid)) {
			/* not a complete sid, may be a RID, try building a SID */
			int u_rid;
			
			if (sscanf(user_sid, "%d", &u_rid) != 1) {
				fprintf(stderr, "Error passed string is not a complete user SID or RID!\n");
				return -1;
			}
			sid_copy(&u_sid, get_global_sam_sid());
			sid_append_rid(&u_sid, u_rid);
		}
		pdb_set_user_sid (sam_pwent, &u_sid, PDB_CHANGED);
	}

	if (badpw) {
		pdb_set_bad_password_count(sam_pwent, 0, PDB_CHANGED);
		pdb_set_bad_password_time(sam_pwent, 0, PDB_CHANGED);
	}

	if (NT_STATUS_IS_OK(in->update_sam_account (in, sam_pwent)))
		print_user_info (in, username, True, False);
	else {
		fprintf (stderr, "Unable to modify entry!\n");
		TALLOC_FREE(sam_pwent);
		return -1;
	}
	TALLOC_FREE(sam_pwent);
	return 0;
}
Esempio n. 17
0
/* dump sam database via samsync rpc calls */
NTSTATUS rpc_vampire_internals(struct net_context *c,
				const DOM_SID *domain_sid,
				const char *domain_name,
				struct cli_state *cli,
				struct rpc_pipe_client *pipe_hnd,
				TALLOC_CTX *mem_ctx,
				int argc,
				const char **argv)
{
	NTSTATUS result;
	struct samsync_context *ctx = NULL;

	if (!sid_equal(domain_sid, get_global_sam_sid())) {
		d_printf("Cannot import users from %s at this time, "
			 "as the current domain:\n\t%s: %s\nconflicts "
			 "with the remote domain\n\t%s: %s\n"
			 "Perhaps you need to set: \n\n\tsecurity=user\n\t"
			 "workgroup=%s\n\n in your smb.conf?\n",
			 domain_name,
			 get_global_sam_name(),
			 sid_string_dbg(get_global_sam_sid()),
			 domain_name,
			 sid_string_dbg(domain_sid),
			 domain_name);
		return NT_STATUS_UNSUCCESSFUL;
	}

	result = libnet_samsync_init_context(mem_ctx,
					     domain_sid,
					     &ctx);
	if (!NT_STATUS_IS_OK(result)) {
		return result;
	}

	ctx->mode		= NET_SAMSYNC_MODE_FETCH_PASSDB;
	ctx->cli		= pipe_hnd;
	ctx->ops		= &libnet_samsync_passdb_ops;
	ctx->domain_name	= domain_name;

	ctx->force_full_replication = c->opt_force_full_repl ? true : false;
	ctx->clean_old_entries = c->opt_clean_old_entries ? true : false;

	parse_samsync_partial_replication_objects(ctx, argc, argv,
						  &ctx->single_object_replication,
						  &ctx->objects,
						  &ctx->num_objects);

	/* fetch domain */
	result = libnet_samsync(SAM_DATABASE_DOMAIN, ctx);

	if (!NT_STATUS_IS_OK(result) && ctx->error_message) {
		d_fprintf(stderr, "%s\n", ctx->error_message);
		goto fail;
	}

	if (ctx->result_message) {
		d_fprintf(stdout, "%s\n", ctx->result_message);
	}

	/* fetch builtin */
	ctx->domain_sid = sid_dup_talloc(mem_ctx, &global_sid_Builtin);
	ctx->domain_sid_str = sid_string_talloc(mem_ctx, ctx->domain_sid);
	result = libnet_samsync(SAM_DATABASE_BUILTIN, ctx);

	if (!NT_STATUS_IS_OK(result) && ctx->error_message) {
		d_fprintf(stderr, "%s\n", ctx->error_message);
		goto fail;
	}

	if (ctx->result_message) {
		d_fprintf(stdout, "%s\n", ctx->result_message);
	}

 fail:
	TALLOC_FREE(ctx);
	return result;
}
Esempio n. 18
0
const DOM_SID *pdb_get_group_sid(struct samu *sampass)
{
	DOM_SID *gsid;
	struct passwd *pwd;

	/* Return the cached group SID if we have that */
	if ( sampass->group_sid ) {
		return sampass->group_sid;
	}

	/* generate the group SID from the user's primary Unix group */

	if ( !(gsid  = TALLOC_P( sampass, DOM_SID )) ) {
		return NULL;
	}

	/* No algorithmic mapping, meaning that we have to figure out the
	   primary group SID according to group mapping and the user SID must
	   be a newly allocated one.  We rely on the user's Unix primary gid.
	   We have no choice but to fail if we can't find it. */

	if ( sampass->unix_pw ) {
		pwd = sampass->unix_pw;
	} else {
		pwd = Get_Pwnam_alloc( sampass, pdb_get_username(sampass) );
	}

	if ( !pwd ) {
		DEBUG(0,("pdb_get_group_sid: Failed to find Unix account for %s\n", pdb_get_username(sampass) ));
		return NULL;
	}

	if ( pdb_gid_to_sid(pwd->pw_gid, gsid) ) {
		enum lsa_SidType type = SID_NAME_UNKNOWN;
		TALLOC_CTX *mem_ctx = talloc_init("pdb_get_group_sid");
		bool lookup_ret;

		if (!mem_ctx) {
			return NULL;
		}

		/* Now check that it's actually a domain group and not something else */

		lookup_ret = lookup_sid(mem_ctx, gsid, NULL, NULL, &type);

		TALLOC_FREE( mem_ctx );

		if ( lookup_ret && (type == SID_NAME_DOM_GRP) ) {
			sampass->group_sid = gsid;
			return sampass->group_sid;
		}

		DEBUG(3, ("Primary group for user %s is a %s and not a domain group\n", 
			pwd->pw_name, sid_type_lookup(type)));
	}

	/* Just set it to the 'Domain Users' RID of 512 which will 
	   always resolve to a name */

	sid_compose(gsid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS);

	sampass->group_sid = gsid;

	return sampass->group_sid;
}	
Esempio n. 19
0
static int net_groupmap_add(struct net_context *c, int argc, const char **argv)
{
	struct dom_sid sid;
	fstring ntgroup = "";
	fstring unixgrp = "";
	fstring string_sid = "";
	fstring type = "";
	fstring ntcomment = "";
	enum lsa_SidType sid_type = SID_NAME_DOM_GRP;
	uint32 rid = 0;
	gid_t gid;
	int i;
	GROUP_MAP *map;

	const char *name_type;
	const char add_usage_str[] = N_("net groupmap add "
					"{rid=<int>|sid=<string>}"
					" unixgroup=<string> "
					"[type=<domain|local|builtin>] "
					"[ntgroup=<string>] "
					"[comment=<string>]");

	name_type = "domain group";

	if (c->display_usage) {
		d_printf("%s\n%s\n", _("Usage:\n"), add_usage_str);
		return 0;
	}

	/* get the options */
	for ( i=0; i<argc; i++ ) {
		if ( !strncasecmp_m(argv[i], "rid", strlen("rid")) ) {
			rid = get_int_param(argv[i]);
			if ( rid < DOMAIN_RID_ADMINS ) {
				d_fprintf(stderr,
					  _("RID must be greater than %d\n"),
					  (uint32)DOMAIN_RID_ADMINS-1);
				return -1;
			}
		}
		else if ( !strncasecmp_m(argv[i], "unixgroup", strlen("unixgroup")) ) {
			fstrcpy( unixgrp, get_string_param( argv[i] ) );
			if ( !unixgrp[0] ) {
				d_fprintf(stderr,_( "must supply a name\n"));
				return -1;
			}
		}
		else if ( !strncasecmp_m(argv[i], "ntgroup", strlen("ntgroup")) ) {
			fstrcpy( ntgroup, get_string_param( argv[i] ) );
			if ( !ntgroup[0] ) {
				d_fprintf(stderr, _("must supply a name\n"));
				return -1;
			}
		}
		else if ( !strncasecmp_m(argv[i], "sid", strlen("sid")) ) {
			fstrcpy( string_sid, get_string_param( argv[i] ) );
			if ( !string_sid[0] ) {
				d_fprintf(stderr, _("must supply a SID\n"));
				return -1;
			}
		}
		else if ( !strncasecmp_m(argv[i], "comment", strlen("comment")) ) {
			fstrcpy( ntcomment, get_string_param( argv[i] ) );
			if ( !ntcomment[0] ) {
				d_fprintf(stderr,
					  _("must supply a comment string\n"));
				return -1;
			}
		}
		else if ( !strncasecmp_m(argv[i], "type", strlen("type")) )  {
			fstrcpy( type, get_string_param( argv[i] ) );
			switch ( type[0] ) {
				case 'b':
				case 'B':
					sid_type = SID_NAME_WKN_GRP;
					name_type = "wellknown group";
					break;
				case 'd':
				case 'D':
					sid_type = SID_NAME_DOM_GRP;
					name_type = "domain group";
					break;
				case 'l':
				case 'L':
					sid_type = SID_NAME_ALIAS;
					name_type = "alias (local) group";
					break;
				default:
					d_fprintf(stderr,
						  _("unknown group type %s\n"),
						  type);
					return -1;
			}
		}
		else {
			d_fprintf(stderr, _("Bad option: %s\n"), argv[i]);
			return -1;
		}
	}

	if ( !unixgrp[0] ) {
		d_printf("%s\n%s\n", _("Usage:\n"), add_usage_str);
		return -1;
	}

	if ( (gid = nametogid(unixgrp)) == (gid_t)-1 ) {
		d_fprintf(stderr, _("Can't lookup UNIX group %s\n"), unixgrp);
		return -1;
	}

	map = talloc_zero(NULL, GROUP_MAP);
	if (!map) {
		return -1;
	}
	/* Default is domain group. */
	map->sid_name_use = SID_NAME_DOM_GRP;
	if (pdb_getgrgid(map, gid)) {
		d_printf(_("Unix group %s already mapped to SID %s\n"),
			 unixgrp, sid_string_tos(&map->sid));
		TALLOC_FREE(map);
		return -1;
	}
	TALLOC_FREE(map);

	if ( (rid == 0) && (string_sid[0] == '\0') ) {
		d_printf(_("No rid or sid specified, choosing a RID\n"));
		if (pdb_capabilities() & PDB_CAP_STORE_RIDS) {
			if (!pdb_new_rid(&rid)) {
				d_printf(_("Could not get new RID\n"));
			}
		} else {
			rid = algorithmic_pdb_gid_to_group_rid(gid);
		}
		d_printf(_("Got RID %d\n"), rid);
	}

	/* append the rid to our own domain/machine SID if we don't have a full SID */
	if ( !string_sid[0] ) {
		sid_compose(&sid, get_global_sam_sid(), rid);
		sid_to_fstring(string_sid, &sid);
	}

	if (!ntcomment[0]) {
		switch (sid_type) {
		case SID_NAME_WKN_GRP:
			fstrcpy(ntcomment, "Wellknown Unix group");
			break;
		case SID_NAME_DOM_GRP:
			fstrcpy(ntcomment, "Domain Unix group");
			break;
		case SID_NAME_ALIAS:
			fstrcpy(ntcomment, "Local Unix group");
			break;
		default:
			fstrcpy(ntcomment, "Unix group");
			break;
		}
	}

	if (!ntgroup[0] )
		strlcpy(ntgroup, unixgrp, sizeof(ntgroup));

	if (!NT_STATUS_IS_OK(add_initial_entry(gid, string_sid, sid_type, ntgroup, ntcomment))) {
		d_fprintf(stderr, _("adding entry for group %s failed!\n"), ntgroup);
		return -1;
	}

	d_printf(_("Successfully added group %s to the mapping db as a %s\n"),
		 ntgroup, name_type);
	return 0;
}
Esempio n. 20
0
int main(int argc, const char *argv[])
{
	int opt;
	int retval = 0;
	enum acl_mode mode = SMB_ACL_SET;
	static char *the_acl = NULL;
	fstring sharename;
	bool force_acl = False;
	int snum;
	poptContext pc;
	bool initialize_sid = False;
	struct poptOption long_options[] = {
		POPT_AUTOHELP
		{ "remove", 'r', POPT_ARG_STRING, &the_acl, 'r', "Delete an ACE", "ACL" },
		{ "modify", 'm', POPT_ARG_STRING, &the_acl, 'm', "Modify an acl", "ACL" },
		{ "add", 'a', POPT_ARG_STRING, &the_acl, 'a', "Add an ACE", "ACL" },
		{ "replace", 'R', POPT_ARG_STRING, &the_acl, 'R', "Set share mission ACL", "ACLS" },
		{ "view", 'v', POPT_ARG_NONE, NULL, 'v', "View current share permissions" },
		{ "machine-sid", 'M', POPT_ARG_NONE, NULL, 'M', "Initialize the machine SID" },
		{ "force", 'F', POPT_ARG_NONE, NULL, 'F', "Force storing the ACL", "ACLS" },
		POPT_COMMON_SAMBA
		{ NULL }
	};

	if ( !(ctx = talloc_stackframe()) ) {
		fprintf( stderr, "Failed to initialize talloc context!\n");
		return -1;
	}

	/* set default debug level to 1 regardless of what smb.conf sets */
	setup_logging( "sharesec", True );
	DEBUGLEVEL_CLASS[DBGC_ALL] = 1;
	dbf = x_stderr;
	x_setbuf( x_stderr, NULL );

	pc = poptGetContext("sharesec", argc, argv, long_options, 0);
	
	poptSetOtherOptionHelp(pc, "sharename\n");

	while ((opt = poptGetNextOpt(pc)) != -1) {
		switch (opt) {
		case 'r':
			the_acl = smb_xstrdup(poptGetOptArg(pc));
			mode = SMB_ACL_DELETE;
			break;

		case 'm':
			the_acl = smb_xstrdup(poptGetOptArg(pc));
			mode = SMB_ACL_MODIFY;
			break;

		case 'a':
			the_acl = smb_xstrdup(poptGetOptArg(pc));
			mode = SMB_ACL_ADD;
			break;
		case 'R':
			the_acl = smb_xstrdup(poptGetOptArg(pc));
			mode = SMB_ACL_SET;
			break;

		case 'v':
			mode = SMB_ACL_VIEW;
			break;

		case 'F':
			force_acl = True;
			break;
			
		case 'M':
			initialize_sid = True;
			break;
		}
	}
	
	setlinebuf(stdout);

	load_case_tables();

	lp_load( get_dyn_CONFIGFILE(), False, False, False, True );

	/* check for initializing secrets.tdb first */
	
	if ( initialize_sid ) {
		DOM_SID *sid = get_global_sam_sid();
		
		if ( !sid ) {
			fprintf( stderr, "Failed to retrieve Machine SID!\n");
			return 3;
		}
		
		printf ("%s\n", sid_string_tos( sid ) );
		return 0;
	}

	if ( mode == SMB_ACL_VIEW && force_acl ) {
		fprintf( stderr, "Invalid combination of -F and -v\n");
		return -1;
	}

	/* get the sharename */

	if(!poptPeekArg(pc)) { 
		poptPrintUsage(pc, stderr, 0);	
		return -1;
	}
	
	fstrcpy(sharename, poptGetArg(pc));
	
	snum = lp_servicenumber( sharename );
	
	if ( snum == -1 && !force_acl ) {
		fprintf( stderr, "Invalid sharename: %s\n", sharename);
		return -1;
	}
		
	retval = change_share_sec(ctx, sharename, the_acl, mode);
	
	talloc_destroy(ctx);

	return retval;
}
Esempio n. 21
0
bool lookup_name(TALLOC_CTX *mem_ctx,
		 const char *full_name, int flags,
		 const char **ret_domain, const char **ret_name,
		 DOM_SID *ret_sid, enum lsa_SidType *ret_type)
{
	char *p;
	const char *tmp;
	const char *domain = NULL;
	const char *name = NULL;
	uint32 rid;
	DOM_SID sid;
	enum lsa_SidType type;
	TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);

	if (tmp_ctx == NULL) {
		DEBUG(0, ("talloc_new failed\n"));
		return false;
	}

	p = strchr_m(full_name, '\\');

	if (p != NULL) {
		domain = talloc_strndup(tmp_ctx, full_name,
					PTR_DIFF(p, full_name));
		name = talloc_strdup(tmp_ctx, p+1);
	} else {
		domain = talloc_strdup(tmp_ctx, "");
		name = talloc_strdup(tmp_ctx, full_name);
	}

	if ((domain == NULL) || (name == NULL)) {
		DEBUG(0, ("talloc failed\n"));
		TALLOC_FREE(tmp_ctx);
		return false;
	}

	DEBUG(10,("lookup_name: %s => %s (domain), %s (name)\n",
		full_name, domain, name));
	DEBUG(10, ("lookup_name: flags = 0x0%x\n", flags));

	if ((flags & LOOKUP_NAME_DOMAIN) &&
	    strequal(domain, get_global_sam_name()))
	{

		/* It's our own domain, lookup the name in passdb */
		if (lookup_global_sam_name(name, flags, &rid, &type)) {
			sid_copy(&sid, get_global_sam_sid());
			sid_append_rid(&sid, rid);
			goto ok;
		}
		TALLOC_FREE(tmp_ctx);
		return false;
	}

	if ((flags & LOOKUP_NAME_BUILTIN) &&
	    strequal(domain, builtin_domain_name()))
	{
		/* Explicit request for a name in BUILTIN */
		if (lookup_builtin_name(name, &rid)) {
			sid_copy(&sid, &global_sid_Builtin);
			sid_append_rid(&sid, rid);
			type = SID_NAME_ALIAS;
			goto ok;
		}
		TALLOC_FREE(tmp_ctx);
		return false;
	}

	/* Try the explicit winbind lookup first, don't let it guess the
	 * domain yet at this point yet. This comes later. */

	if ((domain[0] != '\0') &&
	    (flags & ~(LOOKUP_NAME_DOMAIN|LOOKUP_NAME_ISOLATED)) &&
	    (winbind_lookup_name(domain, name, &sid, &type))) {
			goto ok;
	}

	if (!(flags & LOOKUP_NAME_EXPLICIT) && strequal(domain, unix_users_domain_name())) {
		if (lookup_unix_user_name(name, &sid)) {
			type = SID_NAME_USER;
			goto ok;
		}
		TALLOC_FREE(tmp_ctx);
		return false;
	}

	if (!(flags & LOOKUP_NAME_EXPLICIT) && strequal(domain, unix_groups_domain_name())) {
		if (lookup_unix_group_name(name, &sid)) {
			type = SID_NAME_DOM_GRP;
			goto ok;
		}
		TALLOC_FREE(tmp_ctx);
		return false;
	}

	if ((domain[0] == '\0') && (!(flags & LOOKUP_NAME_ISOLATED))) {
		TALLOC_FREE(tmp_ctx);
		return false;
	}

	/* Now the guesswork begins, we haven't been given an explicit
	 * domain. Try the sequence as documented on
	 * http://msdn.microsoft.com/library/en-us/secmgmt/security/lsalookupnames.asp
	 * November 27, 2005 */

	/* 1. well-known names */

	if ((flags & LOOKUP_NAME_WKN) &&
	    lookup_wellknown_name(tmp_ctx, name, &sid, &domain))
	{
		type = SID_NAME_WKN_GRP;
		goto ok;
	}

	/* 2. Builtin domain as such */

	if ((flags & (LOOKUP_NAME_BUILTIN|LOOKUP_NAME_REMOTE)) &&
	    strequal(name, builtin_domain_name()))
	{
		/* Swap domain and name */
		tmp = name; name = domain; domain = tmp;
		sid_copy(&sid, &global_sid_Builtin);
		type = SID_NAME_DOMAIN;
		goto ok;
	}

	/* 3. Account domain */

	if ((flags & LOOKUP_NAME_DOMAIN) &&
	    strequal(name, get_global_sam_name()))
	{
		if (!secrets_fetch_domain_sid(name, &sid)) {
			DEBUG(3, ("Could not fetch my SID\n"));
			TALLOC_FREE(tmp_ctx);
			return false;
		}
		/* Swap domain and name */
		tmp = name; name = domain; domain = tmp;
		type = SID_NAME_DOMAIN;
		goto ok;
	}

	/* 4. Primary domain */

	if ((flags & LOOKUP_NAME_DOMAIN) && !IS_DC &&
	    strequal(name, lp_workgroup()))
	{
		if (!secrets_fetch_domain_sid(name, &sid)) {
			DEBUG(3, ("Could not fetch the domain SID\n"));
			TALLOC_FREE(tmp_ctx);
			return false;
		}
		/* Swap domain and name */
		tmp = name; name = domain; domain = tmp;
		type = SID_NAME_DOMAIN;
		goto ok;
	}

	/* 5. Trusted domains as such, to me it looks as if members don't do
              this, tested an XP workstation in a NT domain -- vl */

	if ((flags & LOOKUP_NAME_REMOTE) && IS_DC &&
	    (pdb_get_trusteddom_pw(name, NULL, &sid, NULL)))
	{
		/* Swap domain and name */
		tmp = name; name = domain; domain = tmp;
		type = SID_NAME_DOMAIN;
		goto ok;
	}

	/* 6. Builtin aliases */	

	if ((flags & LOOKUP_NAME_BUILTIN) &&
	    lookup_builtin_name(name, &rid))
	{
		domain = talloc_strdup(tmp_ctx, builtin_domain_name());
		sid_copy(&sid, &global_sid_Builtin);
		sid_append_rid(&sid, rid);
		type = SID_NAME_ALIAS;
		goto ok;
	}

	/* 7. Local systems' SAM (DCs don't have a local SAM) */
	/* 8. Primary SAM (On members, this is the domain) */

	/* Both cases are done by looking at our passdb */

	if ((flags & LOOKUP_NAME_DOMAIN) &&
	    lookup_global_sam_name(name, flags, &rid, &type))
	{
		domain = talloc_strdup(tmp_ctx, get_global_sam_name());
		sid_copy(&sid, get_global_sam_sid());
		sid_append_rid(&sid, rid);
		goto ok;
	}

	/* Now our local possibilities are exhausted. */

	if (!(flags & LOOKUP_NAME_REMOTE)) {
		TALLOC_FREE(tmp_ctx);
		return false;
	}

	/* If we are not a DC, we have to ask in our primary domain. Let
	 * winbind do that. */

	if (!IS_DC &&
	    (winbind_lookup_name(lp_workgroup(), name, &sid, &type))) {
		domain = talloc_strdup(tmp_ctx, lp_workgroup());
		goto ok;
	}

	/* 9. Trusted domains */

	/* If we're a DC we have to ask all trusted DC's. Winbind does not do
	 * that (yet), but give it a chance. */

	if (IS_DC && winbind_lookup_name("", name, &sid, &type)) {
		DOM_SID dom_sid;
		uint32 tmp_rid;
		enum lsa_SidType domain_type;
		
		if (type == SID_NAME_DOMAIN) {
			/* Swap name and type */
			tmp = name; name = domain; domain = tmp;
			goto ok;
		}

		/* Here we have to cope with a little deficiency in the
		 * winbind API: We have to ask it again for the name of the
		 * domain it figured out itself. Maybe fix that later... */

		sid_copy(&dom_sid, &sid);
		sid_split_rid(&dom_sid, &tmp_rid);

		if (!winbind_lookup_sid(tmp_ctx, &dom_sid, &domain, NULL,
					&domain_type) ||
		    (domain_type != SID_NAME_DOMAIN)) {
			DEBUG(2, ("winbind could not find the domain's name "
				  "it just looked up for us\n"));
			TALLOC_FREE(tmp_ctx);
			return false;
		}
		goto ok;
	}

	/* 10. Don't translate */

	/* 11. Ok, windows would end here. Samba has two more options:
               Unmapped users and unmapped groups */

	if (!(flags & LOOKUP_NAME_EXPLICIT) && lookup_unix_user_name(name, &sid)) {
		domain = talloc_strdup(tmp_ctx, unix_users_domain_name());
		type = SID_NAME_USER;
		goto ok;
	}

	if (!(flags & LOOKUP_NAME_EXPLICIT) && lookup_unix_group_name(name, &sid)) {
		domain = talloc_strdup(tmp_ctx, unix_groups_domain_name());
		type = SID_NAME_DOM_GRP;
		goto ok;
	}

	/*
	 * Ok, all possibilities tried. Fail.
	 */

	TALLOC_FREE(tmp_ctx);
	return false;

 ok:
	if ((domain == NULL) || (name == NULL)) {
		DEBUG(0, ("talloc failed\n"));
		TALLOC_FREE(tmp_ctx);
		return false;
	}

	/*
	 * Hand over the results to the talloc context we've been given.
	 */

	if ((ret_name != NULL) &&
	    !(*ret_name = talloc_strdup(mem_ctx, name))) {
		DEBUG(0, ("talloc failed\n"));
		TALLOC_FREE(tmp_ctx);
		return false;
	}

	if (ret_domain != NULL) {
		char *tmp_dom;
		if (!(tmp_dom = talloc_strdup(mem_ctx, domain))) {
			DEBUG(0, ("talloc failed\n"));
			TALLOC_FREE(tmp_ctx);
			return false;
		}
		strupper_m(tmp_dom);
		*ret_domain = tmp_dom;
	}

	if (ret_sid != NULL) {
		sid_copy(ret_sid, &sid);
	}

	if (ret_type != NULL) {
		*ret_type = type;
	}

	TALLOC_FREE(tmp_ctx);
	return true;
}
Esempio n. 22
0
static int process_root(int local_flags)
{
	struct passwd  *pwd;
	int result = 0;
	char *old_passwd = NULL;

	if (local_flags & LOCAL_SET_LDAP_ADMIN_PW) {
		char *ldap_admin_dn = lp_ldap_admin_dn();
		if ( ! *ldap_admin_dn ) {
			DEBUG(0,("ERROR: 'ldap admin dn' not defined! Please check your smb.conf\n"));
			goto done;
		}

		printf("Setting stored password for \"%s\" in secrets.tdb\n", ldap_admin_dn);
		if ( ! *ldap_secret ) {
			new_passwd = prompt_for_new_password(stdin_passwd_get);
			fstrcpy(ldap_secret, new_passwd);
		}
		if (!store_ldap_admin_pw(ldap_secret)) {
			DEBUG(0,("ERROR: Failed to store the ldap admin password!\n"));
		}
		goto done;
	}

	/* Ensure passdb startup(). */
	if(!initialize_password_db(False)) {
		DEBUG(0, ("Failed to open passdb!\n"));
		exit(1);
	}
		
	/* Ensure we have a SAM sid. */
	get_global_sam_sid();

	/*
	 * Ensure both add/delete user are not set
	 * Ensure add/delete user and either remote machine or join domain are
	 * not both set.
	 */	
	if(((local_flags & (LOCAL_ADD_USER|LOCAL_DELETE_USER)) == (LOCAL_ADD_USER|LOCAL_DELETE_USER)) || 
	   ((local_flags & (LOCAL_ADD_USER|LOCAL_DELETE_USER)) && 
		(remote_machine != NULL))) {
		usage();
	}
	
	/* Only load interfaces if we are doing network operations. */

	if (remote_machine) {
		load_interfaces();
	}

	if (!user_name[0] && (pwd = getpwuid_alloc(NULL, geteuid()))) {
		fstrcpy(user_name, pwd->pw_name);
		TALLOC_FREE(pwd);
	} 

	if (!user_name[0]) {
		fprintf(stderr,"You must specify a username\n");
		exit(1);
	}

	if (local_flags & LOCAL_TRUST_ACCOUNT) {
		/* add the $ automatically */
		static fstring buf;

		/*
		 * Remove any trailing '$' before we
		 * generate the initial machine password.
		 */

		if (user_name[strlen(user_name)-1] == '$') {
			user_name[strlen(user_name)-1] = 0;
		}

		if (local_flags & LOCAL_ADD_USER) {
		        SAFE_FREE(new_passwd);
			new_passwd = smb_xstrdup(user_name);
			strlower_m(new_passwd);
		}

		/*
		 * Now ensure the username ends in '$' for
		 * the machine add.
		 */

		slprintf(buf, sizeof(buf)-1, "%s$", user_name);
		fstrcpy(user_name, buf);
	} else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
		static fstring buf;

		if ((local_flags & LOCAL_ADD_USER) && (new_passwd == NULL)) {
			/*
			 * Prompt for trusting domain's account password
			 */
			new_passwd = prompt_for_new_password(stdin_passwd_get);
			if(!new_passwd) {
				fprintf(stderr, "Unable to get newpassword.\n");
				exit(1);
			}
		}
		
		/* prepare uppercased and '$' terminated username */
		slprintf(buf, sizeof(buf) - 1, "%s$", user_name);
		fstrcpy(user_name, buf);
		
	} else {
		
		if (remote_machine != NULL) {
			old_passwd = get_pass("Old SMB password:"******"talloc fail for struct samu.\n");
					exit(1);
				}
				if (!pdb_getsampwnam(sampass, user_name)) {
					fprintf(stderr, "Failed to find user %s in passdb backend.\n",
						user_name );
					exit(1);
				}

				if(pdb_get_nt_passwd(sampass) == NULL) {
					local_flags |= LOCAL_SET_PASSWORD;
				}
				TALLOC_FREE(sampass);
			}
		}
		
		if((local_flags & LOCAL_SET_PASSWORD) && (new_passwd == NULL)) {
			new_passwd = prompt_for_new_password(stdin_passwd_get);
			
			if(!new_passwd) {
				fprintf(stderr, "Unable to get new password.\n");
				exit(1);
			}
		}
	}

	if (!NT_STATUS_IS_OK(password_change(remote_machine, user_name,
					     old_passwd, new_passwd,
					     local_flags))) {
		fprintf(stderr,"Failed to modify password entry for user %s\n", user_name);
		result = 1;
		goto done;
	} 

	if(remote_machine) {
		printf("Password changed for user %s on %s.\n", user_name, remote_machine );
	} else if(!(local_flags & (LOCAL_ADD_USER|LOCAL_DISABLE_USER|LOCAL_ENABLE_USER|LOCAL_DELETE_USER|LOCAL_SET_NO_PASSWORD|LOCAL_SET_PASSWORD))) {
		struct samu *sampass = NULL;
		
		sampass = samu_new( NULL );
		if (!sampass) {
			fprintf(stderr, "talloc fail for struct samu.\n");
			exit(1);
		}

		if (!pdb_getsampwnam(sampass, user_name)) {
			fprintf(stderr, "Failed to find user %s in passdb backend.\n",
				user_name );
			exit(1);
		}

		printf("Password changed for user %s.", user_name );
		if(pdb_get_acct_ctrl(sampass)&ACB_DISABLED) {
			printf(" User has disabled flag set.");
		}
		if(pdb_get_acct_ctrl(sampass) & ACB_PWNOTREQ) {
			printf(" User has no password flag set.");
		}
		printf("\n");
		TALLOC_FREE(sampass);
	}

 done:
	SAFE_FREE(new_passwd);
	return result;
}
Esempio n. 23
0
NTSTATUS samu_to_SamInfo3(TALLOC_CTX *mem_ctx,
			  struct samu *samu,
			  const char *login_server,
			  struct netr_SamInfo3 **_info3,
			  struct extra_auth_info *extra)
{
	struct netr_SamInfo3 *info3;
	const struct dom_sid *user_sid;
	const struct dom_sid *group_sid;
	struct dom_sid domain_sid;
	struct dom_sid *group_sids;
	uint32_t num_group_sids = 0;
	const char *tmp;
	gid_t *gids;
	NTSTATUS status;
	bool ok;

	user_sid = pdb_get_user_sid(samu);
	group_sid = pdb_get_group_sid(samu);

	if (!user_sid || !group_sid) {
		DEBUG(1, ("Sam account is missing sids!\n"));
		return NT_STATUS_UNSUCCESSFUL;
	}

	info3 = talloc_zero(mem_ctx, struct netr_SamInfo3);
	if (!info3) {
		return NT_STATUS_NO_MEMORY;
	}

	ZERO_STRUCT(domain_sid);

	/* check if this is a "Unix Users" domain user,
	 * we need to handle it in a special way if that's the case */
	if (sid_check_is_in_unix_users(user_sid)) {
		/* in info3 you can only set rids for the user and the
		 * primary group, and the domain sid must be that of
		 * the sam domain.
		 *
		 * Store a completely bogus value here.
		 * The real SID is stored in the extra sids.
		 * Other code will know to look there if (-1) is found
		 */
		info3->base.rid = (uint32_t)(-1);
		sid_copy(&extra->user_sid, user_sid);

		DEBUG(10, ("Unix User found in struct samu. Rid marked as "
			   "special and sid (%s) saved as extra sid\n",
			   sid_string_dbg(user_sid)));
	} else {
		sid_copy(&domain_sid, user_sid);
		sid_split_rid(&domain_sid, &info3->base.rid);
	}

	if (is_null_sid(&domain_sid)) {
		sid_copy(&domain_sid, get_global_sam_sid());
	}

	/* check if this is a "Unix Groups" domain group,
	 * if so we need special handling */
	if (sid_check_is_in_unix_groups(group_sid)) {
		/* in info3 you can only set rids for the user and the
		 * primary group, and the domain sid must be that of
		 * the sam domain.
		 *
		 * Store a completely bogus value here.
		 * The real SID is stored in the extra sids.
		 * Other code will know to look there if (-1) is found
		 */
		info3->base.primary_gid = (uint32_t)(-1);
		sid_copy(&extra->pgid_sid, group_sid);

		DEBUG(10, ("Unix Group found in struct samu. Rid marked as "
			   "special and sid (%s) saved as extra sid\n",
			   sid_string_dbg(group_sid)));

	} else {
		ok = sid_peek_check_rid(&domain_sid, group_sid,
					&info3->base.primary_gid);
		if (!ok) {
			DEBUG(1, ("The primary group domain sid(%s) does not "
				  "match the domain sid(%s) for %s(%s)\n",
				  sid_string_dbg(group_sid),
				  sid_string_dbg(&domain_sid),
				  pdb_get_username(samu),
				  sid_string_dbg(user_sid)));
			TALLOC_FREE(info3);
			return NT_STATUS_UNSUCCESSFUL;
		}
	}

	unix_to_nt_time(&info3->base.last_logon, pdb_get_logon_time(samu));
	unix_to_nt_time(&info3->base.last_logoff, get_time_t_max());
	unix_to_nt_time(&info3->base.acct_expiry, get_time_t_max());
	unix_to_nt_time(&info3->base.last_password_change,
			pdb_get_pass_last_set_time(samu));
	unix_to_nt_time(&info3->base.allow_password_change,
			pdb_get_pass_can_change_time(samu));
	unix_to_nt_time(&info3->base.force_password_change,
			pdb_get_pass_must_change_time(samu));

	tmp = pdb_get_username(samu);
	if (tmp) {
		info3->base.account_name.string	= talloc_strdup(info3, tmp);
		RET_NOMEM(info3->base.account_name.string);
	}
	tmp = pdb_get_fullname(samu);
	if (tmp) {
		info3->base.full_name.string = talloc_strdup(info3, tmp);
		RET_NOMEM(info3->base.full_name.string);
	}
	tmp = pdb_get_logon_script(samu);
	if (tmp) {
		info3->base.logon_script.string = talloc_strdup(info3, tmp);
		RET_NOMEM(info3->base.logon_script.string);
	}
	tmp = pdb_get_profile_path(samu);
	if (tmp) {
		info3->base.profile_path.string	= talloc_strdup(info3, tmp);
		RET_NOMEM(info3->base.profile_path.string);
	}
	tmp = pdb_get_homedir(samu);
	if (tmp) {
		info3->base.home_directory.string = talloc_strdup(info3, tmp);
		RET_NOMEM(info3->base.home_directory.string);
	}
	tmp = pdb_get_dir_drive(samu);
	if (tmp) {
		info3->base.home_drive.string = talloc_strdup(info3, tmp);
		RET_NOMEM(info3->base.home_drive.string);
	}

	info3->base.logon_count	= pdb_get_logon_count(samu);
	info3->base.bad_password_count = pdb_get_bad_password_count(samu);

	info3->base.domain.string = talloc_strdup(info3,
						  pdb_get_domain(samu));
	RET_NOMEM(info3->base.domain.string);

	info3->base.domain_sid = dom_sid_dup(info3, &domain_sid);
	RET_NOMEM(info3->base.domain_sid);

	status = pdb_enum_group_memberships(mem_ctx, samu,
					    &group_sids, &gids,
					    &num_group_sids);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(1, ("Failed to get groups from sam account.\n"));
		TALLOC_FREE(info3);
		return status;
	}

	if (num_group_sids) {
		status = group_sids_to_info3(info3, group_sids, num_group_sids);
		if (!NT_STATUS_IS_OK(status)) {
			TALLOC_FREE(info3);
			return status;
		}
	}

	/* We don't need sids and gids after the conversion */
	TALLOC_FREE(group_sids);
	TALLOC_FREE(gids);
	num_group_sids = 0;

	/* FIXME: should we add other flags ? */
	info3->base.user_flags = NETLOGON_EXTRA_SIDS;

	if (login_server) {
		info3->base.logon_server.string = talloc_strdup(info3, login_server);
		RET_NOMEM(info3->base.logon_server.string);
	}

	info3->base.acct_flags = pdb_get_acct_ctrl(samu);

	*_info3 = info3;
	return NT_STATUS_OK;
}
Esempio n. 24
0
WERROR spoolss_create_default_secdesc(TALLOC_CTX *mem_ctx,
				      struct spoolss_security_descriptor **secdesc)
{
	struct security_ace ace[7];	/* max number of ace entries */
	int i = 0;
	uint32_t sa;
	struct security_acl *psa = NULL;
	struct security_descriptor *psd = NULL;
	struct dom_sid adm_sid;
	size_t sd_size;

	/* Create an ACE where Everyone is allowed to print */

	sa = PRINTER_ACE_PRINT;
	init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED,
		     sa, SEC_ACE_FLAG_CONTAINER_INHERIT);

	/* Add the domain admins group if we are a DC */

	if ( IS_DC ) {
		struct dom_sid domadmins_sid;

		sid_compose(&domadmins_sid, get_global_sam_sid(),
			    DOMAIN_RID_ADMINS);

		sa = PRINTER_ACE_FULL_CONTROL;
		init_sec_ace(&ace[i++], &domadmins_sid,
			SEC_ACE_TYPE_ACCESS_ALLOWED, sa,
			SEC_ACE_FLAG_OBJECT_INHERIT | SEC_ACE_FLAG_INHERIT_ONLY);
		init_sec_ace(&ace[i++], &domadmins_sid, SEC_ACE_TYPE_ACCESS_ALLOWED,
			sa, SEC_ACE_FLAG_CONTAINER_INHERIT);
	}
	else if (secrets_fetch_domain_sid(lp_workgroup(), &adm_sid)) {
		sid_append_rid(&adm_sid, DOMAIN_RID_ADMINISTRATOR);

		sa = PRINTER_ACE_FULL_CONTROL;
		init_sec_ace(&ace[i++], &adm_sid,
			SEC_ACE_TYPE_ACCESS_ALLOWED, sa,
			SEC_ACE_FLAG_OBJECT_INHERIT | SEC_ACE_FLAG_INHERIT_ONLY);
		init_sec_ace(&ace[i++], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED,
			sa, SEC_ACE_FLAG_CONTAINER_INHERIT);
	}

	/* add BUILTIN\Administrators as FULL CONTROL */

	sa = PRINTER_ACE_FULL_CONTROL;
	init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
		SEC_ACE_TYPE_ACCESS_ALLOWED, sa,
		SEC_ACE_FLAG_OBJECT_INHERIT | SEC_ACE_FLAG_INHERIT_ONLY);
	init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
		SEC_ACE_TYPE_ACCESS_ALLOWED,
		sa, SEC_ACE_FLAG_CONTAINER_INHERIT);

	/* add BUILTIN\Print Operators as FULL CONTROL */

	sa = PRINTER_ACE_FULL_CONTROL;
	init_sec_ace(&ace[i++], &global_sid_Builtin_Print_Operators,
		SEC_ACE_TYPE_ACCESS_ALLOWED, sa,
		SEC_ACE_FLAG_OBJECT_INHERIT | SEC_ACE_FLAG_INHERIT_ONLY);
	init_sec_ace(&ace[i++], &global_sid_Builtin_Print_Operators,
		SEC_ACE_TYPE_ACCESS_ALLOWED,
		sa, SEC_ACE_FLAG_CONTAINER_INHERIT);

	/* Make the security descriptor owned by the BUILTIN\Administrators */

	/* The ACL revision number in rpc_secdesc.h differs from the one
	   created by NT when setting ACE entries in printer
	   descriptors.  NT4 complains about the property being edited by a
	   NT5 machine. */

	if ((psa = make_sec_acl(mem_ctx, NT4_ACL_REVISION, i, ace)) != NULL) {
		psd = make_sec_desc(mem_ctx,
				    SD_REVISION,
				    SEC_DESC_SELF_RELATIVE,
				    &global_sid_Builtin_Administrators,
				    &global_sid_Builtin_Administrators,
				    NULL,
				    psa,
				    &sd_size);
	}

	if (psd == NULL) {
		DEBUG(0,("construct_default_printer_sd: Failed to make SEC_DESC.\n"));
		return WERR_NOMEM;
	}

	DEBUG(4,("construct_default_printer_sdb: size = %u.\n",
		 (unsigned int)sd_size));

	*secdesc = psd;

	return WERR_OK;
}