src/volser/volmain.c

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #include <afsconfig.h>
  11 #include <afs/param.h>
  12
  13 #include <roken.h>
  14 #include <afs/opr.h>
  15 #ifdef AFS_PTHREAD_ENV
  16 # include <opr/lock.h>
  17 # include <opr/softsig.h>
  18 # include <afs/procmgmt_softsig.h> /* must come after softsig */
  19 #endif
  20
  21 #ifdef AFS_NT40_ENV
  22 #include <windows.h>
  23 #include <WINNT/afsevent.h>
  24 #endif
  25
  26 #include <rx/rx_queue.h>
  27 #include <afs/afsint.h>
  28 #include <afs/prs_fs.h>
  29 #include <afs/nfs.h>
  30 #include <lwp.h>
  31 #include <lock.h>
  32 #include <afs/afssyscalls.h>
  33 #include <afs/ihandle.h>
  34 #ifdef AFS_NT40_ENV
  35 #include <afs/ntops.h>
  36 #endif
  37 #include <afs/vnode.h>
  38 #include <afs/volume.h>
  39 #include <afs/partition.h>
  40 #include <rx/rx.h>
  41 #include <rx/rxstat.h>
  42 #include <rx/rx_globals.h>
  43 #include <afs/auth.h>
  44 #include <afs/cellconfig.h>
  45 #include <afs/keys.h>
  46 #include <afs/dir.h>
  47 #include <ubik.h>
  48 #include <afs/audit.h>
  49 #include <afs/afsutil.h>
  50 #include <afs/cmd.h>
  51 #include <lwp.h>
  52
  53 #include "volser.h"
  54 #include "volint.h"
  55 #include "volser_internal.h"
  56
  57 #define VolserVersion "2.0"
  58 #define N_SECURITY_OBJECTS 3
  59
  60 extern struct Lock localLock;
  61 char *GlobalNameHack = NULL;
  62 int hackIsIn = 0;
  63 afs_int32 GlobalVolCloneId, GlobalVolParentId;
  64 int GlobalVolType;
  65 int VolumeChanged;              /* XXXX */
  66 static char busyFlags[MAXHELPERS];
  67 struct volser_trans *QI_GlobalWriteTrans = 0;
  68 struct afsconf_dir *tdir;
  69 static afs_int32 runningCalls = 0;
  70 int DoLogging = 0;
  71 int debuglevel = 0;
  72 #define MAXLWP 128
  73 int lwps = 9;
  74 int udpBufSize = 0;             /* UDP buffer size for receive */
  75 int restrictedQueryLevel = RESTRICTED_QUERY_ANYUSER;
  76
  77 int rxBind = 0;
  78 int rxkadDisableDotCheck = 0;
  79 int DoPreserveVolumeStats = 1;
  80 int rxJumbograms = 0;   /* default is to not send and receive jumbograms. */
  81 int rxMaxMTU = -1;
  82 char *auditFileName = NULL;
  83 static struct logOptions logopts;
  84 char *configDir = NULL;
  85
  86 enum vol_s2s_crypt doCrypt = VS2SC_NEVER;
  87
  88 #define ADDRSPERSITE 16         /* Same global is in rx/rx_user.c */
  89 afs_uint32 SHostAddrs[ADDRSPERSITE];
  90
  91 #define VS_EXIT(code)  {                                          \
  92                           osi_audit(VS_ExitEvent, code, AUD_END); \
  93                           exit(code);                             \
  94                        }
  95
  96 static void
  97 MyBeforeProc(struct rx_call *acall)
  98 {
  99     VTRANS_LOCK;
 100     runningCalls++;
 101     VTRANS_UNLOCK;
 102     return;
 103 }
 104
 105 static void
 106 MyAfterProc(struct rx_call *acall, afs_int32 code)
 107 {
 108     VTRANS_LOCK;
 109     runningCalls--;
 110     VTRANS_UNLOCK;
 111     return;
 112 }
 113
 114 /* Called every GCWAKEUP seconds to try to unlock all our partitions,
 115  * if we're idle and there are no active transactions
 116  */
 117 static void
 118 TryUnlock(void)
 119 {
 120     /* if there are no running calls, and there are no active transactions, then
 121      * it should be safe to release any partition locks we've accumulated */
 122     VTRANS_LOCK;
 123     if (runningCalls == 0 && TransList() == (struct volser_trans *)0) {
 124         VTRANS_UNLOCK;
 125         VPFullUnlock();         /* in volprocs.c */
 126     } else
 127         VTRANS_UNLOCK;
 128 }
 129
 130 /* background daemon for timing out transactions */
 131 static void*
 132 BKGLoop(void *unused)
 133 {
 134     struct timeval tv;
 135     int loop = 0;
 136
 137     afs_pthread_setname_self("vol bkg");
 138     while (1) {
 139         tv.tv_sec = GCWAKEUP;
 140         tv.tv_usec = 0;
 141 #ifdef AFS_PTHREAD_ENV
 142 #ifdef AFS_NT40_ENV
 143         Sleep(GCWAKEUP * 1000);
 144 #else
 145         select(0, 0, 0, 0, &tv);
 146 #endif
 147 #else
 148         (void)IOMGR_Select(0, 0, 0, 0, &tv);
 149 #endif
 150         GCTrans();
 151         TryUnlock();
 152         loop++;
 153         if (loop == 10) {       /* reopen log every 5 minutes */
 154             loop = 0;
 155             ReOpenLog();
 156         }
 157     }
 158
 159     AFS_UNREACHED(return(NULL));
 160 }
 161
 162 #if defined(AFS_NT40_ENV) || defined(AFS_DARWIN160_ENV)
 163 /* no volser_syscall */
 164 #elif defined(AFS_SUN511_ENV)
 165 int
 166 volser_syscall(afs_uint32 a3, afs_uint32 a4, void *a5)
 167 {
 168     int err, code;
 169     code = ioctl_sun_afs_syscall(28 /* AFSCALL_CALL */, a3, a4, a5, 0, 0, 0,
 170                                  &err);
 171     if (code) {
 172         err = code;
 173     }
 174     return err;
 175 }
 176 #elif !defined(AFS_SYSCALL)
 177 int
 178 volser_syscall(afs_uint32 a3, afs_uint32 a4, void *a5)
 179 {
 180     errno = ENOSYS;
 181     return -1;
 182 }
 183 #else
 184 int
 185 volser_syscall(afs_uint32 a3, afs_uint32 a4, void *a5)
 186 {
 187     afs_uint32 rcode;
 188 #ifndef AFS_LINUX20_ENV
 189     void (*old) (int);
 190
 191     old = signal(SIGSYS, SIG_IGN);
 192 #endif
 193     rcode =
 194         syscall(AFS_SYSCALL /* AFS_SYSCALL */ , 28 /* AFSCALL_CALL */ , a3,
 195                 a4, a5);
 196 #ifndef AFS_LINUX20_ENV
 197     signal(SIGSYS, old);
 198 #endif
 199
 200     return rcode;
 201 }
 202 #endif
 203
 204
 205 /* check whether caller is authorized to manage RX statistics */
 206 int
 207 vol_rxstat_userok(struct rx_call *call)
 208 {
 209     return afsconf_SuperUser(tdir, call, NULL);
 210 }
 211
 212 /**
 213  * Return true if this name is a member of the local realm.
 214  */
 215 static int
 216 vol_IsLocalRealmMatch(void *rock, char *name, char *inst, char *cell)
 217 {
 218     struct afsconf_dir *dir = (struct afsconf_dir *)rock;
 219     afs_int32 islocal = 0;      /* default to no */
 220     int code;
 221
 222     code = afsconf_IsLocalRealmMatch(dir, &islocal, name, inst, cell);
 223     if (code) {
 224         ViceLog(0,
 225                 ("Failed local realm check; code=%d, name=%s, inst=%s, cell=%s\n",
 226                  code, name, inst, cell));
 227     }
 228     return islocal;
 229 }
 230
 231 enum optionsList {
 232     OPT_log,
 233     OPT_rxbind,
 234     OPT_dotted,
 235     OPT_debug,
 236     OPT_threads,
 237     OPT_auditlog,
 238     OPT_audit_interface,
 239     OPT_nojumbo,
 240     OPT_jumbo,
 241     OPT_rxmaxmtu,
 242     OPT_sleep,
 243     OPT_udpsize,
 244     OPT_peer,
 245     OPT_process,
 246     OPT_preserve_vol_stats,
 247     OPT_clear_vol_stats,
 248     OPT_sync,
 249 #ifdef HAVE_SYSLOG
 250     OPT_syslog,
 251 #endif
 252     OPT_logfile,
 253     OPT_config,
 254     OPT_restricted_query,
 255     OPT_transarc_logs,
 256     OPT_s2s_crypt
 257 };
 258
 259 static int
 260 ParseArgs(int argc, char **argv) {
 261     int code;
 262     int optval;
 263     char *optstring = NULL;
 264     struct cmd_syndesc *opts;
 265     char *sleepSpec = NULL;
 266     char *sync_behavior = NULL;
 267     char *restricted_query_parameter = NULL;
 268     char *s2s_crypt_behavior = NULL;
 269
 270     opts = cmd_CreateSyntax(NULL, NULL, NULL, 0, NULL);
 271     cmd_AddParmAtOffset(opts, OPT_log, "-log", CMD_FLAG, CMD_OPTIONAL,
 272            "log vos users");
 273     cmd_AddParmAtOffset(opts, OPT_rxbind, "-rxbind", CMD_FLAG, CMD_OPTIONAL,
 274            "bind only to the primary interface");
 275     cmd_AddParmAtOffset(opts, OPT_dotted, "-allow-dotted-principals", CMD_FLAG, CMD_OPTIONAL,
 276            "permit Kerberos 5 principals with dots");
 277     cmd_AddParmAtOffset(opts, OPT_debug, "-d", CMD_SINGLE, CMD_OPTIONAL,
 278            "debug level");
 279     cmd_AddParmAtOffset(opts, OPT_threads, "-p", CMD_SINGLE, CMD_OPTIONAL,
 280            "number of threads");
 281     cmd_AddParmAtOffset(opts, OPT_auditlog, "-auditlog", CMD_SINGLE,
 282            CMD_OPTIONAL, "location of audit log");
 283     cmd_AddParmAtOffset(opts, OPT_audit_interface, "-audit-interface",
 284            CMD_SINGLE, CMD_OPTIONAL, "interface to use for audit logging");
 285     cmd_AddParmAtOffset(opts, OPT_nojumbo, "-nojumbo", CMD_FLAG, CMD_OPTIONAL,
 286             "disable jumbograms");
 287     cmd_AddParmAtOffset(opts, OPT_jumbo, "-jumbo", CMD_FLAG, CMD_OPTIONAL,
 288             "enable jumbograms");
 289     cmd_AddParmAtOffset(opts, OPT_rxmaxmtu, "-rxmaxmtu", CMD_SINGLE,
 290             CMD_OPTIONAL, "maximum MTU for RX");
 291     cmd_AddParmAtOffset(opts, OPT_udpsize, "-udpsize", CMD_SINGLE,
 292             CMD_OPTIONAL, "size of socket buffer in bytes");
 293     cmd_AddParmAtOffset(opts, OPT_sleep, "-sleep", CMD_SINGLE,
 294             CMD_OPTIONAL, "make background daemon sleep (LWP only)");
 295     cmd_AddParmAtOffset(opts, OPT_peer, "-enable_peer_stats", CMD_FLAG,
 296             CMD_OPTIONAL, "enable RX transport statistics");
 297     cmd_AddParmAtOffset(opts, OPT_process, "-enable_process_stats", CMD_FLAG,
 298             CMD_OPTIONAL, "enable RX RPC statistics");
 299     /* -preserve-vol-stats on by default now. */
 300     cmd_AddParmAtOffset(opts, OPT_preserve_vol_stats, "-preserve-vol-stats", CMD_FLAG,
 301             CMD_OPTIONAL|CMD_HIDDEN,
 302             "preserve volume statistics when restoring/recloning");
 303     cmd_AddParmAtOffset(opts, OPT_clear_vol_stats, "-clear-vol-stats", CMD_FLAG,
 304             CMD_OPTIONAL, "clear volume statistics when restoring/recloning");
 305 #ifdef HAVE_SYSLOG
 306     cmd_AddParmAtOffset(opts, OPT_syslog, "-syslog", CMD_SINGLE_OR_FLAG,
 307             CMD_OPTIONAL, "log to syslog");
 308 #endif
 309     cmd_AddParmAtOffset(opts, OPT_transarc_logs, "-transarc-logs", CMD_FLAG,
 310                         CMD_OPTIONAL, "enable Transarc style logging");
 311     cmd_AddParmAtOffset(opts, OPT_sync, "-sync",
 312             CMD_SINGLE, CMD_OPTIONAL, "always | onclose | never");
 313     cmd_AddParmAtOffset(opts, OPT_logfile, "-logfile", CMD_SINGLE,
 314            CMD_OPTIONAL, "location of log file");
 315     cmd_AddParmAtOffset(opts, OPT_config, "-config", CMD_SINGLE,
 316            CMD_OPTIONAL, "configuration location");
 317     cmd_AddParmAtOffset(opts, OPT_restricted_query, "-restricted_query",
 318             CMD_SINGLE, CMD_OPTIONAL, "anyuser | admin");
 319     cmd_AddParmAtOffset(opts, OPT_s2s_crypt, "-s2scrypt",
 320             CMD_SINGLE, CMD_OPTIONAL, "always | inherit | never");
 321
 322     code = cmd_Parse(argc, argv, &opts);
 323     if (code == CMD_HELP) {
 324         exit(0);
 325     }
 326     if (code)
 327         return 1;
 328
 329     cmd_OptionAsFlag(opts, OPT_log, &DoLogging);
 330     cmd_OptionAsFlag(opts, OPT_rxbind, &rxBind);
 331     cmd_OptionAsFlag(opts, OPT_dotted, &rxkadDisableDotCheck);
 332     if (cmd_OptionPresent(opts, OPT_clear_vol_stats))
 333         DoPreserveVolumeStats = 0;
 334     if (cmd_OptionPresent(opts, OPT_peer))
 335         rx_enablePeerRPCStats();
 336     if (cmd_OptionPresent(opts, OPT_process))
 337         rx_enableProcessRPCStats();
 338     if (cmd_OptionPresent(opts, OPT_nojumbo))
 339         rxJumbograms = 0;
 340     if (cmd_OptionPresent(opts, OPT_jumbo))
 341         rxJumbograms = 1;
 342
 343 #ifdef HAVE_SYSLOG
 344     if (cmd_OptionPresent(opts, OPT_syslog)) {
 345         if (cmd_OptionPresent(opts, OPT_logfile)) {
 346             fprintf(stderr, "Invalid options: -syslog and -logfile are exclusive.\n");
 347             return -1;
 348         }
 349         if (cmd_OptionPresent(opts, OPT_transarc_logs)) {
 350             fprintf(stderr, "Invalid options: -syslog and -transarc-logs are exclusive.\n");
 351             return -1;
 352         }
 353         logopts.lopt_dest = logDest_syslog;
 354         logopts.lopt_facility = LOG_DAEMON;
 355         logopts.lopt_tag = "volserver";
 356         cmd_OptionAsInt(opts, OPT_syslog, &logopts.lopt_facility);
 357     } else
 358 #endif
 359     {
 360         logopts.lopt_dest = logDest_file;
 361         if (cmd_OptionPresent(opts, OPT_transarc_logs)) {
 362             logopts.lopt_rotateOnOpen = 1;
 363             logopts.lopt_rotateStyle = logRotate_old;
 364         }
 365         if (cmd_OptionPresent(opts, OPT_logfile))
 366             cmd_OptionAsString(opts, OPT_logfile, (char**)&logopts.lopt_filename);
 367         else
 368             logopts.lopt_filename = AFSDIR_SERVER_VOLSERLOG_FILEPATH;
 369     }
 370     cmd_OptionAsInt(opts, OPT_debug, &logopts.lopt_logLevel);
 371
 372     cmd_OptionAsInt(opts, OPT_rxmaxmtu, &rxMaxMTU);
 373     if (cmd_OptionAsInt(opts, OPT_udpsize, &optval) == 0) {
 374         if (optval < rx_GetMinUdpBufSize()) {
 375             printf("Warning:udpsize %d is less than minimum %d; ignoring\n",
 376                     optval, rx_GetMinUdpBufSize());
 377         } else
 378             udpBufSize = optval;
 379     }
 380     cmd_OptionAsString(opts, OPT_auditlog, &auditFileName);
 381
 382     if (cmd_OptionAsString(opts, OPT_audit_interface, &optstring) == 0) {
 383         if (osi_audit_interface(optstring)) {
 384             printf("Invalid audit interface '%s'\n", optstring);
 385             return -1;
 386         }
 387         free(optstring);
 388         optstring = NULL;
 389     }
 390     if (cmd_OptionAsInt(opts, OPT_threads, &lwps) == 0) {
 391         if (lwps > MAXLWP) {
 392             printf("Warning: '-p %d' is too big; using %d instead\n", lwps, MAXLWP);
 393             lwps = MAXLWP;
 394         }
 395     }
 396     if (cmd_OptionAsString(opts, OPT_sleep, &sleepSpec) == 0) {
 397         printf("Warning: -sleep option ignored; this option is obsolete\n");
 398     }
 399     if (cmd_OptionAsString(opts, OPT_sync, &sync_behavior) == 0) {
 400         if (ih_SetSyncBehavior(sync_behavior)) {
 401             printf("Invalid -sync value %s\n", sync_behavior);
 402             return -1;
 403         }
 404     }
 405     cmd_OptionAsString(opts, OPT_config, &configDir);
 406     if (cmd_OptionAsString(opts, OPT_restricted_query,
 407                            &restricted_query_parameter) == 0) {
 408         if (strcmp(restricted_query_parameter, "anyuser") == 0)
 409             restrictedQueryLevel = RESTRICTED_QUERY_ANYUSER;
 410         else if (strcmp(restricted_query_parameter, "admin") == 0)
 411             restrictedQueryLevel = RESTRICTED_QUERY_ADMIN;
 412         else {
 413             printf("invalid argument for -restricted_query: %s\n",
 414                    restricted_query_parameter);
 415             return -1;
 416         }
 417         free(restricted_query_parameter);
 418     }
 419     if (cmd_OptionAsString(opts, OPT_s2s_crypt, &s2s_crypt_behavior) == 0) {
 420         if (strcmp(s2s_crypt_behavior, "always") == 0)
 421             doCrypt = VS2SC_ALWAYS;
 422         else if (strcmp(s2s_crypt_behavior, "never") == 0)
 423             doCrypt = VS2SC_NEVER;
 424         else if (strcmp(s2s_crypt_behavior, "inherit") == 0)
 425             doCrypt = VS2SC_INHERIT;
 426         else {
 427             printf("invalid argument for -s2scrypt: %s\n", s2s_crypt_behavior);
 428             return -1;
 429         }
 430         free(s2s_crypt_behavior);
 431     }
 432
 433     return 0;
 434 }
 435
 436 #include "AFS_component_version_number.c"
 437 int
 438 main(int argc, char **argv)
 439 {
 440     afs_int32 code;
 441     struct rx_securityClass **securityClasses;
 442     afs_int32 numClasses;
 443     struct rx_service *service;
 444     int rxpackets = 100;
 445     afs_uint32 host = ntohl(INADDR_ANY);
 446     VolumePackageOptions opts;
 447
 448 #ifdef  AFS_AIX32_ENV
 449     /*
 450      * The following signal action for AIX is necessary so that in case of a
 451      * crash (i.e. core is generated) we can include the user's data section
 452      * in the core dump. Unfortunately, by default, only a partial core is
 453      * generated which, in many cases, isn't too useful.
 454      */
 455     struct sigaction nsa;
 456
 457     sigemptyset(&nsa.sa_mask);
 458     nsa.sa_handler = SIG_DFL;
 459     nsa.sa_flags = SA_FULLDUMP;
 460     sigaction(SIGABRT, &nsa, NULL);
 461     sigaction(SIGSEGV, &nsa, NULL);
 462 #endif
 463     osi_audit_init();
 464     osi_audit(VS_StartEvent, 0, AUD_END);
 465
 466     /* Initialize dirpaths */
 467     if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
 468 #ifdef AFS_NT40_ENV
 469         ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0);
 470 #endif
 471         fprintf(stderr, "%s: Unable to obtain AFS server directory.\n",
 472                 argv[0]);
 473         exit(2);
 474     }
 475
 476     configDir = strdup(AFSDIR_SERVER_ETC_DIRPATH);
 477
 478     if (ParseArgs(argc, argv)) {
 479         exit(1);
 480     }
 481
 482     if (auditFileName) {
 483         osi_audit_file(auditFileName);
 484         osi_audit(VS_StartEvent, 0, AUD_END);
 485     }
 486 #ifdef AFS_SGI_VNODE_GLUE
 487     if (afs_init_kernel_config(-1) < 0) {
 488         printf
 489             ("Can't determine NUMA configuration, not starting volserver.\n");
 490         exit(1);
 491     }
 492 #endif
 493     InitErrTabs();
 494
 495 #ifdef AFS_PTHREAD_ENV
 496     SetLogThreadNumProgram( rx_GetThreadNum );
 497 #endif
 498
 499 #ifdef AFS_NT40_ENV
 500     if (afs_winsockInit() < 0) {
 501         ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0, argv[0], 0);
 502         printf("Volume server unable to start winsock, exiting.\n");
 503         exit(1);
 504     }
 505 #endif
 506
 507     OpenLog(&logopts);
 508
 509     VOptDefaults(volumeServer, &opts);
 510     if (VInitVolumePackage2(volumeServer, &opts)) {
 511         Log("Shutting down: errors encountered initializing volume package\n");
 512         exit(1);
 513     }
 514     /* For nuke() */
 515     Lock_Init(&localLock);
 516     DInit(40);
 517 #ifndef AFS_PTHREAD_ENV
 518     vol_PollProc = IOMGR_Poll;  /* tell vol pkg to poll io system periodically */
 519 #endif
 520 #if !defined( AFS_NT40_ENV ) && !defined(AFS_DARWIN160_ENV)
 521     rxi_syscallp = volser_syscall;
 522 #endif
 523     rx_nPackets = rxpackets;    /* set the max number of packets */
 524     if (udpBufSize)
 525         rx_SetUdpBufSize(udpBufSize);   /* set the UDP buffer size for receive */
 526     if (rxBind) {
 527         afs_int32 ccode;
 528         if (AFSDIR_SERVER_NETRESTRICT_FILEPATH ||
 529             AFSDIR_SERVER_NETINFO_FILEPATH) {
 530             char reason[1024];
 531             ccode = afsconf_ParseNetFiles(SHostAddrs, NULL, NULL,
 532                                           ADDRSPERSITE, reason,
 533                                           AFSDIR_SERVER_NETINFO_FILEPATH,
 534                                           AFSDIR_SERVER_NETRESTRICT_FILEPATH);
 535         } else
 536         {
 537             ccode = rx_getAllAddr(SHostAddrs, ADDRSPERSITE);
 538         }
 539         if (ccode == 1)
 540             host = SHostAddrs[0];
 541     }
 542
 543     code = rx_InitHost(host, (int)htons(AFSCONF_VOLUMEPORT));
 544     if (code) {
 545         fprintf(stderr, "rx init failed on socket AFSCONF_VOLUMEPORT %u\n",
 546                 AFSCONF_VOLUMEPORT);
 547         VS_EXIT(1);
 548     }
 549     if (!rxJumbograms) {
 550         /* Don't allow 3.4 vos clients to send jumbograms and we don't send. */
 551         rx_SetNoJumbo();
 552     }
 553     if (rxMaxMTU != -1) {
 554         if (rx_SetMaxMTU(rxMaxMTU) != 0) {
 555             fprintf(stderr, "rxMaxMTU %d is invalid\n", rxMaxMTU);
 556             VS_EXIT(1);
 557         }
 558     }
 559     rx_GetIFInfo();
 560     rx_SetRxDeadTime(420);
 561     memset(busyFlags, 0, sizeof(busyFlags));
 562
 563 #ifdef AFS_PTHREAD_ENV
 564     opr_softsig_Init();
 565     SetupLogSoftSignals();
 566 #else
 567     SetupLogSignals();
 568 #endif
 569
 570     {
 571 #ifdef AFS_PTHREAD_ENV
 572         pthread_t tid;
 573         pthread_attr_t tattr;
 574         opr_Verify(pthread_attr_init(&tattr) == 0);
 575         opr_Verify(pthread_attr_setdetachstate(&tattr,
 576                                                PTHREAD_CREATE_DETACHED) == 0);
 577         opr_Verify(pthread_create(&tid, &tattr, BKGLoop, NULL) == 0);
 578 #else
 579         PROCESS pid;
 580         LWP_CreateProcess(BKGLoop, 16*1024, 3, 0, "vol bkg daemon", &pid);
 581 #endif
 582     }
 583
 584     /* Create a single security object, in this case the null security object, for unauthenticated connections, which will be used to control security on connections made to this server */
 585
 586     tdir = afsconf_Open(configDir);
 587     if (!tdir) {
 588         Abort("volser: could not open conf files in %s\n",
 589               configDir);
 590         VS_EXIT(1);
 591     }
 592
 593     /* initialize audit user check */
 594     osi_audit_set_user_check(tdir, vol_IsLocalRealmMatch);
 595
 596     afsconf_BuildServerSecurityObjects(tdir, &securityClasses, &numClasses);
 597     if (securityClasses[0] == NULL)
 598         Abort("rxnull_NewServerSecurityObject");
 599     service =
 600         rx_NewServiceHost(host, 0, VOLSERVICE_ID, "VOLSER", securityClasses,
 601                           numClasses, AFSVolExecuteRequest);
 602     if (service == (struct rx_service *)0)
 603         Abort("rx_NewService");
 604     rx_SetBeforeProc(service, MyBeforeProc);
 605     rx_SetAfterProc(service, MyAfterProc);
 606     rx_SetIdleDeadTime(service, 0);     /* never timeout */
 607     if (lwps < 4)
 608         lwps = 4;
 609     rx_SetMaxProcs(service, lwps);
 610 #if defined(AFS_XBSD_ENV)
 611     rx_SetStackSize(service, (128 * 1024));
 612 #elif defined(AFS_SGI_ENV)
 613     rx_SetStackSize(service, (48 * 1024));
 614 #else
 615     rx_SetStackSize(service, (32 * 1024));
 616 #endif
 617
 618     if (rxkadDisableDotCheck) {
 619         rx_SetSecurityConfiguration(service, RXS_CONFIG_FLAGS,
 620                                     (void *)RXS_CONFIG_FLAGS_DISABLE_DOTCHECK);
 621     }
 622
 623     service =
 624         rx_NewService(0, RX_STATS_SERVICE_ID, "rpcstats", securityClasses,
 625                       numClasses, RXSTATS_ExecuteRequest);
 626     if (service == (struct rx_service *)0)
 627         Abort("rx_NewService");
 628     rx_SetMinProcs(service, 2);
 629     rx_SetMaxProcs(service, 4);
 630
 631     LogCommandLine(argc, argv, "Volserver", VolserVersion, "Starting AFS",
 632                    Log);
 633     if (afsconf_GetLatestKey(tdir, NULL, NULL) == 0) {
 634         LogDesWarning();
 635     }
 636
 637     /* allow super users to manage RX statistics */
 638     rx_SetRxStatUserOk(vol_rxstat_userok);
 639
 640     rx_StartServer(1);          /* Donate this process to the server process pool */
 641
 642     osi_audit(VS_FinishEvent, (-1), AUD_END);
 643     Abort("StartServer returned?");
 644     return 0; /* not reached */
 645 }