Esempio n. 1
0
int
main(int argc, char **argv, char **envp)
{
    struct rx_service *tservice;
    afs_int32 code;
    struct afsconf_dir *tdir;
    int noAuth = 0;
    int i;
    char namebuf[AFSDIR_PATH_MAX];
    int rxMaxMTU = -1;
    afs_uint32 host = htonl(INADDR_ANY);
    char *auditFileName = NULL;
    struct rx_securityClass **securityClasses;
    afs_int32 numClasses;
    int DoPeerRPCStats = 0;
    int DoProcessRPCStats = 0;
#ifndef AFS_NT40_ENV
    int nofork = 0;
    struct stat sb;
#endif
#ifdef	AFS_AIX32_ENV
    struct sigaction nsa;

    /* for some reason, this permits user-mode RX to run a lot faster.
     * we do it here in the bosserver, so we don't have to do it
     * individually in each server.
     */
    tweak_config();

    /*
     * The following signal action for AIX is necessary so that in case of a
     * crash (i.e. core is generated) we can include the user's data section
     * in the core dump. Unfortunately, by default, only a partial core is
     * generated which, in many cases, isn't too useful.
     */
    sigemptyset(&nsa.sa_mask);
    nsa.sa_handler = SIG_DFL;
    nsa.sa_flags = SA_FULLDUMP;
    sigaction(SIGSEGV, &nsa, NULL);
    sigaction(SIGABRT, &nsa, NULL);
#endif
    osi_audit_init();
    signal(SIGFPE, bozo_insecureme);

#ifdef AFS_NT40_ENV
    /* Initialize winsock */
    if (afs_winsockInit() < 0) {
	ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0, argv[0], 0);
	fprintf(stderr, "%s: Couldn't initialize winsock.\n", argv[0]);
	exit(2);
    }
#endif

    /* Initialize dirpaths */
    if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
#ifdef AFS_NT40_ENV
	ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0);
#endif
	fprintf(stderr, "%s: Unable to obtain AFS server directory.\n",
		argv[0]);
	exit(2);
    }

    /* some path inits */
    bozo_fileName = AFSDIR_SERVER_BOZCONF_FILEPATH;
    DoCore = AFSDIR_SERVER_LOGS_DIRPATH;

    /* initialize the list of dirpaths that the bosserver has
     * an interest in monitoring */
    initBosEntryStats();

#if defined(AFS_SGI_ENV)
    /* offer some protection if AFS isn't loaded */
    if (syscall(AFS_SYSCALL, AFSOP_ENDLOG) < 0 && errno == ENOPKG) {
	printf("bosserver: AFS doesn't appear to be configured in O.S..\n");
	exit(1);
    }
#endif

#ifndef AFS_NT40_ENV
    /* save args for restart */
    bozo_argc = argc;
    bozo_argv = malloc((argc+1) * sizeof(char*));
    if (!bozo_argv) {
	fprintf(stderr, "%s: Failed to allocate argument list.\n", argv[0]);
	exit(1);
    }
    bozo_argv[0] = (char*)AFSDIR_SERVER_BOSVR_FILEPATH; /* expected path */
    bozo_argv[bozo_argc] = NULL; /* null terminate list */
#endif	/* AFS_NT40_ENV */

    /* parse cmd line */
    for (code = 1; code < argc; code++) {
#ifndef AFS_NT40_ENV
	bozo_argv[code] = argv[code];
#endif	/* AFS_NT40_ENV */
	if (strcmp(argv[code], "-noauth") == 0) {
	    /* set noauth flag */
	    noAuth = 1;
	} else if (strcmp(argv[code], "-log") == 0) {
	    /* set extra logging flag */
	    DoLogging = 1;
	}
#ifndef AFS_NT40_ENV
	else if (strcmp(argv[code], "-syslog") == 0) {
	    /* set syslog logging flag */
	    DoSyslog = 1;
	} else if (strncmp(argv[code], "-syslog=", 8) == 0) {
	    DoSyslog = 1;
	    DoSyslogFacility = atoi(argv[code] + 8);
	} else if (strncmp(argv[code], "-cores=", 7) == 0) {
	    if (strcmp((argv[code]+7), "none") == 0)
		DoCore = 0;
	    else
		DoCore = (argv[code]+7);
	} else if (strcmp(argv[code], "-nofork") == 0) {
	    nofork = 1;
	}
#endif
	else if (strcmp(argv[code], "-enable_peer_stats") == 0) {
	    DoPeerRPCStats = 1;
	} else if (strcmp(argv[code], "-enable_process_stats") == 0) {
	    DoProcessRPCStats = 1;
	}
	else if (strcmp(argv[code], "-restricted") == 0) {
	    bozo_isrestricted = 1;
	}
	else if (strcmp(argv[code], "-rxbind") == 0) {
	    rxBind = 1;
	}
	else if (strcmp(argv[code], "-allow-dotted-principals") == 0) {
	    rxkadDisableDotCheck = 1;
	}
	else if (!strcmp(argv[code], "-rxmaxmtu")) {
	    if ((code + 1) >= argc) {
		fprintf(stderr, "missing argument for -rxmaxmtu\n");
		exit(1);
	    }
	    rxMaxMTU = atoi(argv[++code]);
	}
	else if (strcmp(argv[code], "-auditlog") == 0) {
	    auditFileName = argv[++code];

	} else if (strcmp(argv[code], "-audit-interface") == 0) {
	    char *interface = argv[++code];

	    if (osi_audit_interface(interface)) {
		printf("Invalid audit interface '%s'\n", interface);
		exit(1);
	    }
	} else if (strncmp(argv[code], "-pidfiles=", 10) == 0) {
	    DoPidFiles = (argv[code]+10);
	} else if (strncmp(argv[code], "-pidfiles", 9) == 0) {
	    DoPidFiles = AFSDIR_BOSCONFIG_DIR;
	}
	else {

	    /* hack to support help flag */

#ifndef AFS_NT40_ENV
	    printf("Usage: bosserver [-noauth] [-log] "
		   "[-auditlog <log path>] "
		   "[-audit-interface <file|sysvmq> (default is file)] "
		   "[-rxmaxmtu <bytes>] [-rxbind] [-allow-dotted-principals] "
		   "[-syslog[=FACILITY]] "
		   "[-restricted] "
		   "[-enable_peer_stats] [-enable_process_stats] "
		   "[-cores=<none|path>] \n"
		   "[-pidfiles[=path]] "
		   "[-nofork] " "[-help]\n");
#else
	    printf("Usage: bosserver [-noauth] [-log] "
		   "[-auditlog <log path>] "
		   "[-audit-interface <file|sysvmq> (default is file)] "
		   "[-rxmaxmtu <bytes>] [-rxbind] [-allow-dotted-principals] "
		   "[-restricted] "
		   "[-enable_peer_stats] [-enable_process_stats] "
		   "[-cores=<none|path>] \n"
		   "[-pidfiles[=path]] "
		   "[-help]\n");
#endif
	    fflush(stdout);

	    exit(0);
	}
    }
    if (auditFileName) {
	osi_audit_file(auditFileName);
    }

#ifndef AFS_NT40_ENV
    if (geteuid() != 0) {
	printf("bosserver: must be run as root.\n");
	exit(1);
    }
#endif

    if ((!DoSyslog)
#ifndef AFS_NT40_ENV
	&& ((lstat(AFSDIR_BOZLOG_FILE, &sb) == 0) &&
	!(S_ISFIFO(sb.st_mode)))
#endif
	) {
	strcpy(namebuf, AFSDIR_BOZLOG_FILE);
	strcat(namebuf, ".old");
	rk_rename(AFSDIR_BOZLOG_FILE, namebuf);	/* try rename first */
	bozo_logFile = fopen(AFSDIR_BOZLOG_FILE, "a");
	if (!bozo_logFile) {
	    printf("bosserver: can't initialize log file (%s).\n",
		   AFSDIR_SERVER_BOZLOG_FILEPATH);
	    exit(1);
	}
	/* keep log closed normally, so can be removed */
	fclose(bozo_logFile);
    } else {
#ifndef AFS_NT40_ENV
	openlog("bosserver", LOG_PID, DoSyslogFacility);
#endif
    }

    /*
     * go into the background and remove our controlling tty, close open
     * file desriptors
     */

#ifndef AFS_NT40_ENV
    if (!nofork)
	daemon(1, 0);
#endif /* ! AFS_NT40_ENV */

    /* create useful dirs */
    CreateDirs(DoCore);

    /* Write current state of directory permissions to log file */
    DirAccessOK();

    /* chdir to AFS log directory */
    if (DoCore)
	chdir(DoCore);
    else
	chdir(AFSDIR_SERVER_LOGS_DIRPATH);

    /* try to read the key from the config file */
    tdir = afsconf_Open(AFSDIR_SERVER_ETC_DIRPATH);
    if (!tdir) {
	/* try to create local cell config file */
	struct afsconf_cell tcell;
	strcpy(tcell.name, "localcell");
	tcell.numServers = 1;
	code = gethostname(tcell.hostName[0], MAXHOSTCHARS);
	if (code) {
	    bozo_Log("failed to get hostname, code %d\n", errno);
	    exit(1);
	}
	if (tcell.hostName[0][0] == 0) {
	    bozo_Log("host name not set, can't start\n");
	    bozo_Log("try the 'hostname' command\n");
	    exit(1);
	}
	memset(tcell.hostAddr, 0, sizeof(tcell.hostAddr));	/* not computed */
	code =
	    afsconf_SetCellInfo(NULL, AFSDIR_SERVER_ETC_DIRPATH,
				&tcell);
	if (code) {
	    bozo_Log
		("could not create cell database in '%s' (code %d), quitting\n",
		 AFSDIR_SERVER_ETC_DIRPATH, code);
	    exit(1);
	}
	tdir = afsconf_Open(AFSDIR_SERVER_ETC_DIRPATH);
	if (!tdir) {
	    bozo_Log
		("failed to open newly-created cell database, quitting\n");
	    exit(1);
	}
    }
    /* opened the cell databse */
    bozo_confdir = tdir;

    code = bnode_Init();
    if (code) {
	printf("bosserver: could not init bnode package, code %d\n", code);
	exit(1);
    }

    bnode_Register("fs", &fsbnode_ops, 3);
    bnode_Register("dafs", &dafsbnode_ops, 4);
    bnode_Register("simple", &ezbnode_ops, 1);
    bnode_Register("cron", &cronbnode_ops, 2);

#if defined(RLIMIT_CORE) && defined(HAVE_GETRLIMIT)
    {
      struct rlimit rlp;
      getrlimit(RLIMIT_CORE, &rlp);
      if (!DoCore)
	  rlp.rlim_cur = 0;
      else
	  rlp.rlim_max = rlp.rlim_cur = RLIM_INFINITY;
      setrlimit(RLIMIT_CORE, &rlp);
      getrlimit(RLIMIT_CORE, &rlp);
      bozo_Log("Core limits now %d %d\n",(int)rlp.rlim_cur,(int)rlp.rlim_max);
    }
#endif

    /* Read init file, starting up programs. Also starts watcher threads. */
    if ((code = ReadBozoFile(0))) {
	bozo_Log
	    ("bosserver: Something is wrong (%d) with the bos configuration file %s; aborting\n",
	     code, AFSDIR_SERVER_BOZCONF_FILEPATH);
	exit(code);
    }

    if (rxBind) {
	afs_int32 ccode;
	if (AFSDIR_SERVER_NETRESTRICT_FILEPATH ||
	    AFSDIR_SERVER_NETINFO_FILEPATH) {
	    char reason[1024];
	    ccode = afsconf_ParseNetFiles(SHostAddrs, NULL, NULL,
			                  ADDRSPERSITE, reason,
	                                  AFSDIR_SERVER_NETINFO_FILEPATH,
	                                  AFSDIR_SERVER_NETRESTRICT_FILEPATH);
        } else {
            ccode = rx_getAllAddr(SHostAddrs, ADDRSPERSITE);
        }
        if (ccode == 1)
            host = SHostAddrs[0];
    }
    for (i = 0; i < 10; i++) {
	if (rxBind) {
	    code = rx_InitHost(host, htons(AFSCONF_NANNYPORT));
	} else {
	    code = rx_Init(htons(AFSCONF_NANNYPORT));
	}
	if (code) {
	    bozo_Log("can't initialize rx: code=%d\n", code);
	    sleep(3);
	} else
	    break;
    }
    if (i >= 10) {
	bozo_Log("Bos giving up, can't initialize rx\n");
	exit(code);
    }

    /* Set some rx config */
    if (DoPeerRPCStats)
	rx_enablePeerRPCStats();
    if (DoProcessRPCStats)
	rx_enableProcessRPCStats();

    /* Disable jumbograms */
    rx_SetNoJumbo();

    if (rxMaxMTU != -1) {
	if (rx_SetMaxMTU(rxMaxMTU) != 0) {
	    bozo_Log("bosserver: rxMaxMTU %d is invalid\n", rxMaxMTU);
	    exit(1);
	}
    }

    code = LWP_CreateProcess(BozoDaemon, BOZO_LWP_STACKSIZE, /* priority */ 1,
			     /* param */ NULL , "bozo-the-clown", &bozo_pid);
    if (code) {
	bozo_Log("Failed to create daemon thread\n");
        exit(1);
    }

    /* initialize audit user check */
    osi_audit_set_user_check(bozo_confdir, bozo_IsLocalRealmMatch);

    bozo_CreateRxBindFile(host);	/* for local scripts */

    /* allow super users to manage RX statistics */
    rx_SetRxStatUserOk(bozo_rxstat_userok);

    afsconf_SetNoAuthFlag(tdir, noAuth);
    afsconf_BuildServerSecurityObjects(tdir, &securityClasses, &numClasses);

    if (DoPidFiles) {
	bozo_CreatePidFile("bosserver", NULL, getpid());
    }

    tservice = rx_NewServiceHost(host, 0, /* service id */ 1,
			         "bozo", securityClasses, numClasses,
				 BOZO_ExecuteRequest);
    rx_SetMinProcs(tservice, 2);
    rx_SetMaxProcs(tservice, 4);
    rx_SetStackSize(tservice, BOZO_LWP_STACKSIZE);	/* so gethostbyname works (in cell stuff) */
    if (rxkadDisableDotCheck) {
        rx_SetSecurityConfiguration(tservice, RXS_CONFIG_FLAGS,
                                    (void *)RXS_CONFIG_FLAGS_DISABLE_DOTCHECK);
    }

    tservice =
	rx_NewServiceHost(host, 0, RX_STATS_SERVICE_ID, "rpcstats",
			  securityClasses, numClasses, RXSTATS_ExecuteRequest);
    rx_SetMinProcs(tservice, 2);
    rx_SetMaxProcs(tservice, 4);
    rx_StartServer(1);		/* donate this process */
    return 0;
}
Esempio n. 2
0
/*
 * cfg_HostSetCell() -- Define server cell membership for host.
 *
 *     The cellDbHosts argument is a multistring containing the names of
 *     the existing database servers already configured in the cell; this
 *     multistring list can be obtained via cfg_CellServDbEnumerate().
 *     If configuring the first server in a new cell then the cellDbHosts
 *     list contains only the name of that host.
 *
 *     Note: The names in cellDbHosts MUST exactly match those in the
 *           cell-wide server CellServDB; using cfg_CellServDbEnumerate()
 *           is highly recommended.
 */
int ADMINAPI
cfg_HostSetCell(void *hostHandle,	/* host config handle */
		const char *cellName,	/* cell name */
		const char *cellDbHosts,	/* cell database hosts */
		afs_status_p st)
{				/* completion status */
    int rc = 1;
    afs_status_t tst2, tst = 0;
    cfg_host_p cfg_host = (cfg_host_p) hostHandle;

    /* validate parameters */

    if (!cfgutil_HostHandleValidate(cfg_host, &tst2)) {
	tst = tst2;
    } else if (cellName == NULL || *cellName == '\0') {
	tst = ADMCFGCELLNAMENULL;
    } else if (strlen(cellName) > (MAXCELLCHARS - 1)) {
	tst = ADMCFGCELLNAMETOOLONG;
    } else if (!cfgutil_HostHandleCellNameCompatible(cfg_host, cellName)) {
	tst = ADMCFGCELLNAMECONFLICT;
    } else if (cellDbHosts == NULL || *cellDbHosts == '\0') {
	tst = ADMCFGCELLDBHOSTSNULL;
    }

    /* remote configuration not yet supported in this function */

    if (tst == 0) {
	if (!cfg_host->is_local) {
	    tst = ADMCFGNOTSUPPORTED;
	}
    }

    /* define server cell and cell database hosts */

    if (tst == 0) {
	const char *dbHost = cellDbHosts;
	struct afsconf_cell hostCell;
	memset(&hostCell, 0, sizeof(hostCell));

	strcpy(hostCell.name, cellName);
	hostCell.numServers = 0;

	while (*dbHost != '\0' && tst == 0) {
	    /* fill in each database host */
	    size_t dbHostLen = strlen(dbHost);

	    if (dbHostLen > (MAXHOSTCHARS - 1)) {
		tst = ADMCFGHOSTNAMETOOLONG;
	    } else if (hostCell.numServers >= MAXHOSTSPERCELL) {
		tst = ADMCFGCELLDBHOSTCOUNTTOOLARGE;
	    } else {
		strcpy(hostCell.hostName[hostCell.numServers++], dbHost);
		dbHost += dbHostLen + 1;
	    }
	}

	if (tst == 0) {
	    /* create server ThisCell/CellServDB dir if it does not exist */
#ifdef AFS_NT40_ENV
	    (void)mkdir(AFSDIR_USR_DIRPATH);
	    (void)mkdir(AFSDIR_SERVER_AFS_DIRPATH);
	    (void)mkdir(AFSDIR_SERVER_ETC_DIRPATH);
#else
	    (void)mkdir(AFSDIR_USR_DIRPATH, 0755);
	    (void)mkdir(AFSDIR_SERVER_AFS_DIRPATH, 0755);
	    (void)mkdir(AFSDIR_SERVER_ETC_DIRPATH, 0755);
#endif
	    if (afsconf_SetCellInfo
		(NULL, AFSDIR_SERVER_ETC_DIRPATH, &hostCell)) {
		/* failed; most likely cause is bad host name */
		tst = ADMCFGSERVERSETCELLFAILED;
	    }
	}
    }

    if (tst != 0) {
	rc = 0;
    }
    if (st != NULL) {
	*st = tst;
    }
    return rc;
}