net.c

samba-3.0.22.tar.gz 编译smb服务器的源码

		d_printf("Machine account password change requires the -f flag.\n");
		d_printf("Do NOT use this function unless you know what it does!\n");
		d_printf("This function will change the ADS Domain member machine account password in the secrets.tdb file!\n");
	}

        return 0;
}

static int net_share(int argc, const char **argv)
{
	if (net_rpc_check(0))
		return net_rpc_share(argc, argv);
	return net_rap_share(argc, argv);
}

static int net_file(int argc, const char **argv)
{
	if (net_rpc_check(0))
		return net_rpc_file(argc, argv);
	return net_rap_file(argc, argv);
}

/*
 Retrieve our local SID or the SID for the specified name
 */
static int net_getlocalsid(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)) {
		DEBUG(0, ("WARNING: Could not open passdb - local sid may not reflect passdb\n"
			  "backend knowlege (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_string(sid_str, &sid);
	d_printf("SID for domain %s is: %s\n", name, sid_str);
	return 0;
}

static int net_setlocalsid(int argc, const char **argv)
{
	DOM_SID sid;

	if ( (argc != 1)
	     || (strncmp(argv[0], "S-1-5-21-", strlen("S-1-5-21-")) != 0)
	     || (!string_to_sid(&sid, argv[0]))
	     || (sid.num_auths != 4)) {
		d_printf("usage: net setlocalsid S-1-5-21-x-y-z\n");
		return 1;
	}

	if (!secrets_store_domain_sid(global_myname(), &sid)) {
		DEBUG(0,("Can't store domain SID as a pdc/bdc.\n"));
		return 1;
	}

	return 0;
}

static int net_getdomainsid(int argc, const char **argv)
{
	DOM_SID domain_sid;
	fstring sid_str;

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

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

	if (!secrets_fetch_domain_sid(global_myname(), &domain_sid)) {
		d_fprintf(stderr, "Could not fetch local SID\n");
		return 1;
	}
	sid_to_string(sid_str, &domain_sid);
	d_printf("SID for domain %s is: %s\n", global_myname(), sid_str);

	if (!secrets_fetch_domain_sid(opt_workgroup, &domain_sid)) {
		d_fprintf(stderr, "Could not fetch domain SID\n");
		return 1;
	}

	sid_to_string(sid_str, &domain_sid);
	d_printf("SID for domain %s is: %s\n", opt_workgroup, sid_str);

	return 0;
}

#ifdef WITH_FAKE_KASERVER

int net_help_afs(int argc, const char **argv)
{
	d_printf("  net afs key filename\n"
		 "\tImports a OpenAFS KeyFile into our secrets.tdb\n\n");
	d_printf("  net afs impersonate <user> <cell>\n"
		 "\tCreates a token for user@cell\n\n");
	return -1;
}

static int net_afs_key(int argc, const char **argv)
{
	int fd;
	struct afs_keyfile keyfile;

	if (argc != 2) {
		d_printf("usage: 'net afs key <keyfile> cell'\n");
		return -1;
	}

	if (!secrets_init()) {
		d_fprintf(stderr, "Could not open secrets.tdb\n");
		return -1;
	}

	if ((fd = open(argv[0], O_RDONLY, 0)) < 0) {
		d_fprintf(stderr, "Could not open %s\n", argv[0]);
		return -1;
	}

	if (read(fd, &keyfile, sizeof(keyfile)) != sizeof(keyfile)) {
		d_fprintf(stderr, "Could not read keyfile\n");
		return -1;
	}

	if (!secrets_store_afs_keyfile(argv[1], &keyfile)) {
		d_fprintf(stderr, "Could not write keyfile to secrets.tdb\n");
		return -1;
	}

	return 0;
}

static int net_afs_impersonate(int argc, const char **argv)
{
	char *token;

	if (argc != 2) {
		fprintf(stderr, "Usage: net afs impersonate <user> <cell>\n");
	        exit(1);
	}

	token = afs_createtoken_str(argv[0], argv[1]);

	if (token == NULL) {
		fprintf(stderr, "Could not create token\n");
	        exit(1);
	}

	if (!afs_settoken_str(token)) {
		fprintf(stderr, "Could not set token into kernel\n");
	        exit(1);
	}

	printf("Success: %s@%s\n", argv[0], argv[1]);
	return 0;
}

static int net_afs(int argc, const char **argv)
{
	struct functable func[] = {
		{"key", net_afs_key},
		{"impersonate", net_afs_impersonate},
		{"help", net_help_afs},
		{NULL, NULL}
	};
	return net_run_function(argc, argv, func, net_help_afs);
}

#endif /* WITH_FAKE_KASERVER */

static BOOL search_maxrid(struct pdb_search *search, const char *type,
			  uint32 *max_rid)
{
	struct samr_displayentry *entries;
	uint32 i, num_entries;

	if (search == NULL) {
		d_fprintf(stderr, "get_maxrid: Could not search %s\n", type);
		return False;
	}

	num_entries = pdb_search_entries(search, 0, 0xffffffff, &entries);
	for (i=0; i<num_entries; i++)
		*max_rid = MAX(*max_rid, entries[i].rid);
	pdb_search_destroy(search);
	return True;
}

static uint32 get_maxrid(void)
{
	uint32 max_rid = 0;

	if (!search_maxrid(pdb_search_users(0), "users", &max_rid))
		return 0;

	if (!search_maxrid(pdb_search_groups(), "groups", &max_rid))
		return 0;

	if (!search_maxrid(pdb_search_aliases(get_global_sam_sid()),
			   "aliases", &max_rid))
		return 0;
	
	return max_rid;
}

static int net_maxrid(int argc, const char **argv)
{
	uint32 rid;

	if (argc != 0) {
	        DEBUG(0, ("usage: net maxrid\n"));
		return 1;
	}

	if ((rid = get_maxrid()) == 0) {
		DEBUG(0, ("can't get current maximum rid\n"));
		return 1;
	}

	d_printf("Currently used maximum rid: %d\n", rid);

	return 0;
}

/* main function table */
static struct functable net_func[] = {
	{"RPC", net_rpc},
	{"RAP", net_rap},
	{"ADS", net_ads},

	/* eventually these should auto-choose the transport ... */
	{"FILE", net_file},
	{"SHARE", net_share},
	{"SESSION", net_rap_session},
	{"SERVER", net_rap_server},
	{"DOMAIN", net_rap_domain},
	{"PRINTQ", net_rap_printq},
	{"USER", net_user},
	{"GROUP", net_group},
	{"GROUPMAP", net_groupmap},
	{"VALIDATE", net_rap_validate},
	{"GROUPMEMBER", net_rap_groupmember},
	{"ADMIN", net_rap_admin},
	{"SERVICE", net_rap_service},	
	{"PASSWORD", net_rap_password},
	{"CHANGETRUSTPW", net_changetrustpw},
	{"CHANGESECRETPW", net_changesecretpw},
	{"TIME", net_time},
	{"LOOKUP", net_lookup},
	{"JOIN", net_join},
	{"CACHE", net_cache},
	{"GETLOCALSID", net_getlocalsid},
	{"SETLOCALSID", net_setlocalsid},
	{"GETDOMAINSID", net_getdomainsid},
	{"MAXRID", net_maxrid},
	{"IDMAP", net_idmap},
	{"STATUS", net_status},
	{"USERSIDLIST", net_usersidlist},
#ifdef WITH_FAKE_KASERVER
	{"AFS", net_afs},
#endif

	{"HELP", net_help},
	{NULL, NULL}
};


/****************************************************************************
  main program
****************************************************************************/
 int main(int argc, const char **argv)
{
	int opt,i;
	char *p;
	int rc = 0;
	int argc_new = 0;
	const char ** argv_new;
	poptContext pc;

	struct poptOption long_options[] = {
		{"help",	'h', POPT_ARG_NONE,   0, 'h'},
		{"workgroup",	'w', POPT_ARG_STRING, &opt_target_workgroup},
		{"user",	'U', POPT_ARG_STRING, &opt_user_name, 'U'},
		{"ipaddress",	'I', POPT_ARG_STRING, 0,'I'},
		{"port",	'p', POPT_ARG_INT,    &opt_port},
		{"myname",	'n', POPT_ARG_STRING, &opt_requester_name},
		{"server",	'S', POPT_ARG_STRING, &opt_host},
		{"container",	'c', POPT_ARG_STRING, &opt_container},
		{"comment",	'C', POPT_ARG_STRING, &opt_comment},
		{"maxusers",	'M', POPT_ARG_INT,    &opt_maxusers},
		{"flags",	'F', POPT_ARG_INT,    &opt_flags},
		{"long",	'l', POPT_ARG_NONE,   &opt_long_list_entries},
		{"reboot",	'r', POPT_ARG_NONE,   &opt_reboot},
		{"force",	'f', POPT_ARG_NONE,   &opt_force},
		{"timeout",	't', POPT_ARG_INT,    &opt_timeout},
		{"machine-pass",'P', POPT_ARG_NONE,   &opt_machine_pass},
		{"myworkgroup", 'W', POPT_ARG_STRING, &opt_workgroup},
		{"verbose",	'v', POPT_ARG_NONE,   &opt_verbose},
		/* Options for 'net groupmap set' */
		{"local",       'L', POPT_ARG_NONE,   &opt_localgroup},
		{"domain",      'D', POPT_ARG_NONE,   &opt_domaingroup},
		{"ntname",      'N', POPT_ARG_STRING, &opt_newntname},
		{"rid",         'R', POPT_ARG_INT,    &opt_rid},
		/* Options for 'net rpc share migrate' */
		{"acls",	0, POPT_ARG_NONE,     &opt_acls},
		{"attrs",	0, POPT_ARG_NONE,     &opt_attrs},
		{"timestamps",	0, POPT_ARG_NONE,     &opt_timestamps},
		{"exclude",	'e', POPT_ARG_STRING, &opt_exclude},
		{"destination",	0, POPT_ARG_STRING,   &opt_destination},

		POPT_COMMON_SAMBA
		{ 0, 0, 0, 0}
	};

	zero_ip(&opt_dest_ip);

	load_case_tables();

	/* set default debug level to 0 regardless of what smb.conf sets */
	DEBUGLEVEL_CLASS[DBGC_ALL] = 0;
	dbf = x_stderr;
	
	pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 
			    POPT_CONTEXT_KEEP_FIRST);
	
	while((opt = poptGetNextOpt(pc)) != -1) {
		switch (opt) {
		case 'h':
			net_help(argc, argv);
			exit(0);
			break;
		case 'I':
			opt_dest_ip = *interpret_addr2(poptGetOptArg(pc));
			if (is_zero_ip(opt_dest_ip))
				d_fprintf(stderr, "\nInvalid ip address specified\n");
			else
				opt_have_ip = True;
			break;
		case 'U':
			opt_user_specified = True;
			opt_user_name = SMB_STRDUP(opt_user_name);
			p = strchr(opt_user_name,'%');
			if (p) {
				*p = 0;
				opt_password = p+1;
			}
			break;
		default:
			d_fprintf(stderr, "\nInvalid option %s: %s\n", 
				 poptBadOption(pc, 0), poptStrerror(opt));
			net_help(argc, argv);
			exit(1);
		}
	}
	
	/*
	 * Don't load debug level from smb.conf. It should be
	 * set by cmdline arg or remain default (0)
	 */
	AllowDebugChange = False;
	lp_load(dyn_CONFIGFILE,True,False,False);
	
 	argv_new = (const char **)poptGetArgs(pc);

	argc_new = argc;
	for (i=0; i<argc; i++) {
		if (argv_new[i] == NULL) {
			argc_new = i;
			break;
		}
	}

	if (opt_requester_name) {
		set_global_myname(opt_requester_name);
	}

	if (!opt_user_name && getenv("LOGNAME")) {
		opt_user_name = getenv("LOGNAME");
	}

	if (!opt_workgroup) {
		opt_workgroup = smb_xstrdup(lp_workgroup());
	}
	
	if (!opt_target_workgroup) {
		opt_target_workgroup = smb_xstrdup(lp_workgroup());
	}
	
	if (!init_names())
		exit(1);

	load_interfaces();
	
	/* this makes sure that when we do things like call scripts, 
	   that it won't assert becouse we are not root */
	sec_init();

	if (opt_machine_pass) {
		/* it is very useful to be able to make ads queries as the
		   machine account for testing purposes and for domain leave */

		net_use_machine_password();
	}

	if (!opt_password) {
		opt_password = getenv("PASSWD");
	}
  	 
	rc = net_run_function(argc_new-1, argv_new+1, net_func, net_help);
	
	DEBUG(2,("return code = %d\n", rc));
	return rc;
}