src/viced/viced.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  * Portions Copyright (c) 2006 Sine Nomine Associates
  10  */
  11
  12 /*  viced.c     - File Server main loop                                  */
  13 /*                                                                       */
  14 /*  Date: 5/1/85                                                         */
  15 /*                                                                       */
  16 /*  Function    - This routine has the initialization code for           */
  17 /*                FileServer II                                          */
  18 /*                                                                       */
  19 /* ********************************************************************** */
  20
  21 #include <afsconfig.h>
  22 #include <afs/param.h>
  23 #include <afs/stds.h>
  24
  25 #include <afs/procmgmt.h>
  26 #include <roken.h>
  27
  28 #ifdef AFS_NT40_ENV
  29 # include <windows.h>
  30 # include <WINNT/afsevent.h>
  31 #endif
  32
  33 #ifdef HAVE_SYS_FILE_H
  34 # include <sys/file.h>
  35 #endif
  36
  37 #ifdef HAVE_SYS_RESOURCE_H
  38 # include <sys/resource.h>
  39 #endif
  40
  41 #undef SHARED
  42
  43 #include <afs/opr.h>
  44 #include <afs/nfs.h>
  45 #include <rx/rx_queue.h>
  46 #include <lwp.h>
  47 #include <opr/lock.h>
  48 #include <opr/proc.h>
  49 #include <opr/softsig.h>
  50 #include <afs/procmgmt_softsig.h> /* must come after softsig.h */
  51 #include <afs/cmd.h>
  52 #include <afs/ptclient.h>
  53 #include <afs/afsint.h>
  54 #include <afs/vldbint.h>
  55 #include <afs/errors.h>
  56 #include <afs/ihandle.h>
  57 #include <afs/vnode.h>
  58 #include <afs/volume.h>
  59 #include <afs/auth.h>
  60 #include <afs/cellconfig.h>
  61 #include <afs/acl.h>
  62 #include <afs/prs_fs.h>
  63 #include <rx/rx.h>
  64 #include <rx/rxstat.h>
  65 #include <afs/keys.h>
  66 #include <afs/afs_args.h>
  67 #include <afs/vlserver.h>
  68 #include <afs/afsutil.h>
  69 #include <afs/fileutil.h>
  70 #include <afs/ptuser.h>
  71 #include <afs/audit.h>
  72 #include <afs/partition.h>
  73 #include <afs/dir.h>
  74 #include <afs/afsutil.h>
  75 #include "viced_prototypes.h"
  76 #include "viced.h"
  77 #include "host.h"
  78 #if defined(AFS_SGI_ENV)
  79 # include "sys/schedctl.h"
  80 # include "sys/lock.h"
  81 #endif
  82 #include <rx/rx_globals.h>
  83
  84 extern int etext;
  85
  86 static void ClearXStatValues(void);
  87 static void PrintCounters(void);
  88
  89 static afs_int32 Do_VLRegisterRPC(void);
  90
  91 int eventlog = 0, rxlog = 0;
  92 FILE *debugFile;
  93 static struct logOptions logopts;
  94
  95 pthread_mutex_t fsync_glock_mutex;
  96 pthread_cond_t fsync_cond;
  97
  98 #ifdef AFS_NT40_ENV
  99 # define NT_OPEN_MAX    1024    /* This is an arbitrary no. we came up with for
 100                                  * now. We hope this will be replaced by a more
 101                                  * intelligent estimate later. */
 102 #endif
 103
 104 int SystemId;                   /* ViceID of "Administrators" */
 105 int SystemAnyUser;              /* Viceid of "System:AnyUser" */
 106 prlist SystemAnyUserCPS;        /* CPS for "system:AnyUser */
 107 int AnonymousID = 0;            /* ViceId of "Anonymous" */
 108 prlist AnonCPS;                 /* CPS for "Anonymous" */
 109
 110 struct afsconf_dir *confDir;    /* Configuration dir object */
 111
 112 int restartMode = RESTART_ORDINARY;
 113
 114 /*
 115  * Home for the performance statistics.
 116  */
 117 struct afs_PerfStats afs_perfstats;
 118
 119 extern int Statistics;
 120
 121 int busyonrst = 1;
 122 int timeout = 30;
 123 int printBanner = 0;
 124 int rxJumbograms = 0;           /* default is to not send and receive jumbograms. */
 125 int rxBind = 0;         /* don't bind */
 126 int rxkadDisableDotCheck = 0;      /* disable check for dot in principal name */
 127 int rxMaxMTU = -1;
 128 afs_int32 implicitAdminRights = PRSFS_LOOKUP;   /* The ADMINISTER right is
 129                                                  * already implied */
 130 afs_int32 readonlyServer = 0;
 131
 132 int stackSize = 24000;
 133 int fiveminutes = 300;          /* 5 minutes.  Change this for debugging only */
 134 int CurrentConnections = 0;
 135 int hostaclRefresh = 7200;      /* refresh host clients' acls every 2 hrs */
 136 #if defined(AFS_SGI_ENV)
 137 int SawLock;
 138 #endif
 139 time_t StartTime;
 140
 141 /**
 142  * seconds to wait until forcing a panic during ShutDownAndCore(PANIC)
 143  * in case we get stuck.
 144  */
 145 #ifdef AFS_DEMAND_ATTACH_FS
 146 static int panic_timeout = 2 * 60;
 147 #else
 148 static int panic_timeout = 30 * 60;
 149 #endif
 150
 151 static int host_thread_quota;
 152 int rxpackets = 150;            /* 100 */
 153 int nSmallVns = 400;            /* 200 */
 154 int large = 400;                /* 200 */
 155 int volcache = 400;             /* 400 */
 156 int numberofcbs = 60000;        /* 60000 */
 157 int lwps = 9;                   /* 6 */
 158 int buffs = 90;                 /* 70 */
 159 int novbc = 0;                  /* Enable Volume Break calls */
 160 int busy_threshold = 600;
 161 int abort_threshold = 10;
 162 int udpBufSize = 0;             /* UDP buffer size for receive */
 163 int sendBufSize = 16384;        /* send buffer size */
 164 int saneacls = 0;               /* Sane ACLs Flag */
 165 static int unsafe_attach = 0;   /* avoid inUse check on vol attach? */
 166 static int offline_timeout = -1; /* -offline-timeout option */
 167 static int offline_shutdown_timeout = -1; /* -offline-shutdown-timeout option */
 168
 169 struct timeval tp;
 170
 171 pthread_key_t viced_uclient_key;
 172
 173 /*
 174  * FileServer's name and IP address, both network byte order and
 175  * host byte order.
 176  */
 177 #define ADDRSPERSITE 16         /* Same global is in rx/rx_user.c */
 178
 179 char FS_HostName[128] = "localhost";
 180 char *FS_configPath = NULL;
 181 afs_uint32 FS_HostAddr_NBO;
 182 afs_uint32 FS_HostAddr_HBO;
 183 afs_uint32 FS_HostAddrs[ADDRSPERSITE], FS_HostAddr_cnt = 0, FS_registered = 0;
 184 /* All addresses in FS_HostAddrs are in NBO */
 185 afsUUID FS_HostUUID;
 186
 187 #ifdef AFS_DEMAND_ATTACH_FS
 188 /*
 189  * demand attach fs
 190  * fileserver mode support
 191  *
 192  * during fileserver shutdown, we have to track the graceful shutdown of
 193  * certain background threads before we are allowed to dump state to
 194  * disk
 195  */
 196
 197 # if !defined(PTHREAD_RWLOCK_INITIALIZER) && defined(AFS_DARWIN80_ENV)
 198 #  define PTHREAD_RWLOCK_INITIALIZER {0x2DA8B3B4, {0}}
 199 # endif
 200
 201 # ifndef AFS_NT40_ENV
 202 struct fs_state fs_state =
 203     { FS_MODE_NORMAL,
 204       0,
 205       0,
 206       0,
 207       0,
 208       { 1,1,1,1 },
 209       PTHREAD_COND_INITIALIZER,
 210       PTHREAD_RWLOCK_INITIALIZER
 211     };
 212 # else /* AFS_NT40_ENV */
 213 struct fs_state fs_state;
 214
 215 static int fs_stateInit(void)
 216 {
 217     fs_state.mode = FS_MODE_NORMAL;
 218     fs_state.FiveMinuteLWP_tranquil = 0;
 219     fs_state.HostCheckLWP_tranquil = 0;
 220     fs_state.FsyncCheckLWP_tranquil = 0;
 221     fs_state.salvsync_fatal_error = 0;
 222
 223     fs_state.options.fs_state_save = 1;
 224     fs_state.options.fs_state_restore = 1;
 225     fs_state.options.fs_state_verify_before_save = 1;
 226     fs_state.options.fs_state_verify_after_restore = 1;
 227
 228     opr_cv_init(&fs_state.worker_done_cv, "worker done");
 229     opr_Verify(pthread_rwlock_init(&fs_state.state_lock, NULL) == 0);
 230 }
 231 # endif /* AFS_NT40_ENV */
 232 #endif /* AFS_DEMAND_ATTACH_FS */
 233
 234 /*
 235  * Home for the performance statistics.
 236  */
 237
 238 /* DEBUG HACK */
 239 #ifndef AFS_NT40_ENV
 240 void
 241 CheckDescriptors_Signal(int signo)
 242 {
 243     struct afs_stat status;
 244     int tsize = getdtablesize();
 245     int i;
 246     for (i = 0; i < tsize; i++) {
 247         if (afs_fstat(i, &status) != -1) {
 248             printf("%d: dev %x, inode %u, length %u, type/mode %x\n", i,
 249                    (unsigned int) status.st_dev,
 250                    (unsigned int) status.st_ino,
 251                    (unsigned int) status.st_size,
 252                    status.st_mode);
 253         }
 254     }
 255     fflush(stdout);
 256 }
 257 #endif
 258
 259 /* Signal number for dumping debug info is platform dependent. */
 260 #if defined(AFS_HPUX_ENV)
 261 # define AFS_SIG_CHECK    SIGPOLL
 262 #elif defined(AFS_NT40_ENV)
 263 # define AFS_SIG_CHECK    SIGUSR2
 264 #else
 265 # define AFS_SIG_CHECK    SIGXCPU
 266 #endif
 267 void
 268 CheckSignal_Signal(int x)
 269 {
 270     if (FS_registered > 0) {
 271         /*
 272          * We have proper ip addresses; tell the vlserver what we got; the following
 273          * routine will do the proper reporting for us
 274          */
 275         Do_VLRegisterRPC();
 276     }
 277     h_DumpHosts();
 278     h_PrintClients();
 279     DumpCallBackState();
 280     PrintCounters();
 281 }
 282
 283 void
 284 ShutDown_Signal(int x)
 285 {
 286     ShutDownAndCore(DONTPANIC);
 287 }
 288
 289 /* check whether caller is authorized to perform admin operations */
 290 int
 291 viced_SuperUser(struct rx_call *call)
 292 {
 293     return afsconf_SuperUser(confDir, call, NULL);
 294 }
 295
 296 /**
 297  * Return true if this name is a member of the local realm.
 298  */
 299 int
 300 fs_IsLocalRealmMatch(void *rock, char *name, char *inst, char *cell)
 301 {
 302     struct afsconf_dir *dir = (struct afsconf_dir *)rock;
 303     afs_int32 islocal = 0;      /* default to no */
 304     int code;
 305
 306     code = afsconf_IsLocalRealmMatch(dir, &islocal, name, inst, cell);
 307     if (code) {
 308         ViceLog(0,
 309                 ("Failed local realm check; code=%d, name=%s, inst=%s, cell=%s\n",
 310                  code, name, inst, cell));
 311     }
 312     return islocal;
 313 }
 314
 315 #if defined(AFS_NT40_ENV)
 316 /* no viced_syscall */
 317 #elif defined(AFS_DARWIN160_ENV)
 318 /* no viced_syscall */
 319 #elif !defined(AFS_SYSCALL)
 320 int
 321 viced_syscall(afs_uint32 a3, afs_uint32 a4, void *a5)
 322 {
 323     errno = ENOSYS;
 324     return -1;
 325 }
 326 #else
 327 int
 328 viced_syscall(afs_uint32 a3, afs_uint32 a4, void *a5)
 329 {
 330     afs_uint32 rcode;
 331 # ifndef AFS_LINUX20_ENV
 332     void (*old) (int);
 333
 334     old = (void (*)(int))signal(SIGSYS, SIG_IGN);
 335 # endif
 336     rcode = syscall(AFS_SYSCALL, 28 /* AFSCALL_CALL */ , a3, a4, a5);
 337 # ifndef AFS_LINUX20_ENV
 338     signal(SIGSYS, old);
 339 # endif
 340
 341     return rcode;
 342 }
 343 #endif
 344
 345 #if !defined(AFS_NT40_ENV)
 346 # include "AFS_component_version_number.c"
 347 #endif /* !AFS_NT40_ENV */
 348
 349 #define MAXADMINNAME 64
 350 char adminName[MAXADMINNAME];
 351
 352 static void
 353 CheckAdminName(void)
 354 {
 355     int fd = -1;
 356     struct afs_stat status;
 357
 358     if ((afs_stat("/AdminName", &status)) ||    /* if file does not exist */
 359         (status.st_size <= 0) ||        /* or it is too short */
 360         (status.st_size >= (MAXADMINNAME)) ||   /* or it is too long */
 361         (fd = afs_open("/AdminName", O_RDONLY, 0)) < 0 || /* or open fails */
 362         read(fd, adminName, status.st_size) != status.st_size) { /* or read */
 363
 364         strcpy(adminName, "System:Administrators");     /* use the default name */
 365     }
 366     if (fd >= 0)
 367         close(fd);              /* close fd if it was opened */
 368
 369 }                               /*CheckAdminName */
 370
 371
 372 static void
 373 setThreadId(char *s)
 374 {
 375 #if !defined(AFS_NT40_ENV)
 376     int threadId;
 377
 378     /* set our 'thread-id' so that the host hold table works */
 379     threadId = rx_SetThreadNum();
 380     afs_pthread_setname_self(s);
 381     ViceLog(0, ("Set thread id 0x%x for '%s'\n", threadId, s));
 382 #endif
 383 }
 384
 385 /* This LWP does things roughly every 5 minutes */
 386 static void *
 387 FiveMinuteCheckLWP(void *unused)
 388 {
 389     static int msg = 0;
 390     char tbuffer[32];
 391
 392     ViceLog(1, ("Starting five minute check process\n"));
 393     setThreadId("FiveMinuteCheckLWP");
 394
 395 #ifdef AFS_DEMAND_ATTACH_FS
 396     FS_STATE_WRLOCK;
 397     while (fs_state.mode == FS_MODE_NORMAL) {
 398         fs_state.FiveMinuteLWP_tranquil = 1;
 399         FS_STATE_UNLOCK;
 400 #else
 401     while (1) {
 402 #endif
 403
 404         sleep(fiveminutes);
 405
 406 #ifdef AFS_DEMAND_ATTACH_FS
 407         FS_STATE_WRLOCK;
 408         if (fs_state.mode != FS_MODE_NORMAL) {
 409             break;
 410         }
 411         fs_state.FiveMinuteLWP_tranquil = 0;
 412         FS_STATE_UNLOCK;
 413 #endif
 414
 415         /* close the log so it can be removed */
 416         ReOpenLog();    /* don't trunc, just append */
 417         ViceLog(2, ("Cleaning up timed out callbacks\n"));
 418         if (CleanupTimedOutCallBacks())
 419             ViceLog(5, ("Timed out callbacks deleted\n"));
 420         ViceLog(2, ("Set disk usage statistics\n"));
 421         VSetDiskUsage();
 422         if (FS_registered == 1)
 423             Do_VLRegisterRPC();
 424         /* Force wakeup in case we missed something; pthreads does timedwait */
 425         if (printBanner && (++msg & 1)) {       /* Every 10 minutes */
 426             time_t now = time(NULL);
 427             struct tm tm;
 428             strftime(tbuffer, sizeof(tbuffer), "%a %b %d %H:%M:%S %Y",
 429                      localtime_r(&now, &tm));
 430             ViceLog(2,
 431                     ("File server is running at %s\n", tbuffer));
 432         }
 433 #ifdef AFS_DEMAND_ATTACH_FS
 434         FS_STATE_WRLOCK;
 435 #endif
 436     }
 437 #ifdef AFS_DEMAND_ATTACH_FS
 438     fs_state.FiveMinuteLWP_tranquil = 1;
 439     FS_LOCK;
 440     opr_cv_broadcast(&fs_state.worker_done_cv);
 441     FS_UNLOCK;
 442     FS_STATE_UNLOCK;
 443     return NULL;
 444 #else
 445     AFS_UNREACHED(return(NULL));
 446 #endif
 447 }                               /*FiveMinuteCheckLWP */
 448
 449
 450 /* This LWP does host checks every 5 minutes:  it should not be used for
 451  * other 5 minute activities because it may be delayed by timeouts when
 452  * it probes the workstations
 453  */
 454
 455 static void *
 456 HostCheckLWP(void *unused)
 457 {
 458     ViceLog(1, ("Starting Host check process\n"));
 459     setThreadId("HostCheckLWP");
 460 #ifdef AFS_DEMAND_ATTACH_FS
 461     FS_STATE_WRLOCK;
 462     while (fs_state.mode == FS_MODE_NORMAL) {
 463         fs_state.HostCheckLWP_tranquil = 1;
 464         FS_STATE_UNLOCK;
 465 #else
 466     while(1) {
 467 #endif
 468
 469         sleep(fiveminutes);
 470
 471 #ifdef AFS_DEMAND_ATTACH_FS
 472         FS_STATE_WRLOCK;
 473         if (fs_state.mode != FS_MODE_NORMAL) {
 474             break;
 475         }
 476         fs_state.HostCheckLWP_tranquil = 0;
 477         FS_STATE_UNLOCK;
 478 #endif
 479
 480         ViceLog(2, ("Checking for dead venii & clients\n"));
 481         h_CheckHosts();
 482
 483 #ifdef AFS_DEMAND_ATTACH_FS
 484         FS_STATE_WRLOCK;
 485 #endif
 486     }
 487 #ifdef AFS_DEMAND_ATTACH_FS
 488     fs_state.HostCheckLWP_tranquil = 1;
 489     FS_LOCK;
 490     opr_cv_broadcast(&fs_state.worker_done_cv);
 491     FS_UNLOCK;
 492     FS_STATE_UNLOCK;
 493     return NULL;
 494 #else
 495     AFS_UNREACHED(return(NULL));
 496 #endif
 497 }                               /*HostCheckLWP */
 498
 499 /* This LWP does fsync checks every 5 minutes:  it should not be used for
 500  * other 5 minute activities because it may be delayed by timeouts when
 501  * it probes the workstations
 502  */
 503 static void *
 504 FsyncCheckLWP(void *unused)
 505 {
 506     afs_int32 code;
 507     struct timespec fsync_next;
 508     ViceLog(1, ("Starting fsync check process\n"));
 509
 510     setThreadId("FsyncCheckLWP");
 511
 512 #ifdef AFS_DEMAND_ATTACH_FS
 513     FS_STATE_WRLOCK;
 514     while (fs_state.mode == FS_MODE_NORMAL) {
 515         fs_state.FsyncCheckLWP_tranquil = 1;
 516         FS_STATE_UNLOCK;
 517 #else
 518     while(1) {
 519 #endif
 520         FSYNC_LOCK;
 521         /* rounding is fine */
 522         fsync_next.tv_nsec = 0;
 523         fsync_next.tv_sec = time(0) + fiveminutes;
 524
 525         code = opr_cv_timedwait(&fsync_cond, &fsync_glock_mutex,
 526                             &fsync_next);
 527         if (code != 0 && code != ETIMEDOUT)
 528             ViceLog(0, ("pthread_cond_timedwait returned %d\n", code));
 529         FSYNC_UNLOCK;
 530
 531 #ifdef AFS_DEMAND_ATTACH_FS
 532         FS_STATE_WRLOCK;
 533         if (fs_state.mode != FS_MODE_NORMAL) {
 534             break;
 535         }
 536         fs_state.FsyncCheckLWP_tranquil = 0;
 537         FS_STATE_UNLOCK;
 538 #endif /* AFS_DEMAND_ATTACH_FS */
 539
 540         ViceLog(2, ("Checking for fsync events\n"));
 541         do {
 542             code = BreakLaterCallBacks();
 543         } while (code != 0);
 544 #ifdef AFS_DEMAND_ATTACH_FS
 545         FS_STATE_WRLOCK;
 546 #endif
 547     }
 548 #ifdef AFS_DEMAND_ATTACH_FS
 549     fs_state.FsyncCheckLWP_tranquil = 1;
 550     FS_LOCK;
 551     opr_cv_broadcast(&fs_state.worker_done_cv);
 552     FS_UNLOCK;
 553     FS_STATE_UNLOCK;
 554     return NULL;
 555 #else
 556     AFS_UNREACHED(return(NULL));
 557 #endif /* !AFS_DEMAND_ATTACH_FS */
 558 }
 559
 560 /*------------------------------------------------------------------------
 561  * PRIVATE ClearXStatValues
 562  *
 563  * Description:
 564  *      Initialize all of the values collected via the xstat
 565  *      interface.
 566  *
 567  * Arguments:
 568  *      None.
 569  *
 570  * Returns:
 571  *      Nothing.
 572  *
 573  * Environment:
 574  *      Must be called during File Server initialization.
 575  *
 576  * Side Effects:
 577  *      As advertised.
 578  *------------------------------------------------------------------------*/
 579
 580 static void
 581 ClearXStatValues(void)
 582 {                               /*ClearXStatValues */
 583
 584     struct fs_stats_opTimingData *opTimeP;      /*Ptr to timing struct */
 585     struct fs_stats_xferData *opXferP;  /*Ptr to xfer struct */
 586     int i;                      /*Loop counter */
 587
 588     /*
 589      * Zero all xstat-related structures.
 590      */
 591     memset((&afs_perfstats), 0, sizeof(struct afs_PerfStats));
 592     memset((&afs_FullPerfStats), 0,
 593            sizeof(struct fs_stats_FullPerfStats));
 594
 595     /*
 596      * That's not enough.  We have to set reasonable minima for
 597      * time and xfer values in the detailed stats.
 598      */
 599     opTimeP = &(afs_FullPerfStats.det.rpcOpTimes[0]);
 600     for (i = 0; i < FS_STATS_NUM_RPC_OPS; i++, opTimeP++)
 601         opTimeP->minTime.tv_sec = 999999;
 602
 603     opXferP = &(afs_FullPerfStats.det.xferOpTimes[0]);
 604     for (i = 0; i < FS_STATS_NUM_XFER_OPS; i++, opXferP++) {
 605         opXferP->minTime.tv_sec = 999999;
 606         opXferP->minBytes = 999999999;
 607     }
 608
 609     /*
 610      * There's more.  We have to set our unique system identifier, as
 611      * declared in param.h.  If such a thing is not defined, we bitch
 612      * and declare ourselves to be an unknown system type.
 613      */
 614 # ifdef SYS_NAME_ID
 615     afs_perfstats.sysname_ID = SYS_NAME_ID;
 616 # else
 617 #  ifndef AFS_NT40_ENV
 618     ViceLog(0, ("Sys name ID constant not defined in param.h!!\n"));
 619     ViceLog(0, ("[Choosing ``undefined'' sys name ID.\n"));
 620 #  endif
 621     afs_perfstats.sysname_ID = SYS_NAME_ID_UNDEFINED;
 622 # endif /* SYS_NAME_ID */
 623
 624 }                               /*ClearXStatValues */
 625
 626 int CopyOnWrite_calls = 0, CopyOnWrite_off0 = 0, CopyOnWrite_size0 = 0;
 627 afs_fsize_t CopyOnWrite_maxsize = 0;
 628
 629 static void
 630 PrintCounters(void)
 631 {
 632     int dirbuff, dircall, dirio;
 633     struct timeval tpl;
 634     int workstations, activeworkstations, delworkstations;
 635     int processSize = 0;
 636     char tbuffer[32];
 637     struct tm tm;
 638 #ifdef AFS_DEMAND_ATTACH_FS
 639     int stats_flags = 0;
 640 #endif
 641
 642     gettimeofday(&tpl, 0);
 643     Statistics = 1;
 644     strftime(tbuffer, sizeof(tbuffer), "%a %b %d %H:%M:%S %Y",
 645              localtime_r(&StartTime, &tm));
 646     ViceLog(0, ("Vice was last started at %s\n", tbuffer));
 647
 648 #ifdef AFS_DEMAND_ATTACH_FS
 649     if (GetLogLevel() >= 125) {
 650         stats_flags = VOL_STATS_PER_CHAIN2;
 651     } else if (GetLogLevel() >= 25) {
 652         stats_flags = VOL_STATS_PER_CHAIN;
 653     }
 654     VPrintExtendedCacheStats(stats_flags);
 655 #endif
 656     VPrintCacheStats();
 657     VPrintDiskStats();
 658     DStat(&dirbuff, &dircall, &dirio);
 659     ViceLog(0,
 660             ("With %d directory buffers; %d reads resulted in %d read I/Os\n",
 661              dirbuff, dircall, dirio));
 662     rx_PrintStats(stderr);
 663     audit_PrintStats(stderr);
 664     h_PrintStats();
 665     PrintCallBackStats();
 666     processSize = opr_procsize();
 667     ViceLog(0,
 668             ("There are %d connections, process size %d\n",
 669              CurrentConnections, processSize));
 670     h_GetWorkStats(&workstations, &activeworkstations, &delworkstations,
 671                    tpl.tv_sec - 15 * 60);
 672     ViceLog(0,
 673             ("There are %d workstations, %d are active (req in < 15 mins), %d marked \"down\"\n",
 674              workstations, activeworkstations, delworkstations));
 675     ViceLog(0, ("CopyOnWrite: calls %d off0 %d size0 %d maxsize 0x%llx\n",
 676                 CopyOnWrite_calls, CopyOnWrite_off0, CopyOnWrite_size0, CopyOnWrite_maxsize));
 677
 678     Statistics = 0;
 679
 680 }                               /*PrintCounters */
 681
 682 static void *
 683 ShutdownWatchdogLWP(void *unused)
 684 {
 685     afs_pthread_setname_self("ShutdownWatchdog");
 686     sleep(panic_timeout);
 687     ViceLogThenPanic(0, ("ShutdownWatchdogLWP: Failed to shutdown and panic "
 688                          "within %d seconds; forcing panic\n",
 689                          panic_timeout));
 690     return NULL;
 691 }
 692
 693 void
 694 ShutDownAndCore(int dopanic)
 695 {
 696     time_t now = time(NULL);
 697     struct tm tm;
 698     char tbuffer[32];
 699
 700     if (dopanic) {
 701         pthread_t watchdogPid;
 702         pthread_attr_t tattr;
 703         opr_Verify(pthread_attr_init(&tattr) == 0);
 704         opr_Verify(pthread_create(&watchdogPid, &tattr,
 705                                   ShutdownWatchdogLWP, NULL) == 0);
 706     }
 707
 708     /* do not allows new reqests to be served from now on, all new requests
 709      * are returned with an error code of RX_RESTARTING ( transient failure ) */
 710     rx_SetRxTranquil();         /* dhruba */
 711
 712     VSetTranquil();
 713
 714 #ifdef AFS_DEMAND_ATTACH_FS
 715     FS_STATE_WRLOCK;
 716     if (fs_state.mode == FS_MODE_SHUTDOWN) {
 717         /* it is possible for at least fs_stateSave() (called below) to call
 718          * ShutDownAndCore if there's host list corruption; prevent
 719          * deinitializing some stuff twice */
 720         ViceLog(0, ("ShutDownAndCore called during shutdown? Skipping volume "
 721                     "and host package shutdown\n"));
 722         FS_STATE_UNLOCK;
 723         goto done_vol_host;
 724     }
 725     fs_state.mode = FS_MODE_SHUTDOWN;
 726     FS_STATE_UNLOCK;
 727 #endif
 728
 729     strftime(tbuffer, sizeof(tbuffer), "%a %b %d %H:%M:%S %Y",
 730              localtime_r(&now, &tm));
 731     ViceLog(0, ("Shutting down file server at %s\n", tbuffer));
 732     if (dopanic)
 733         ViceLog(0, ("ABNORMAL SHUTDOWN, see core file.\n"));
 734     DFlush();
 735     if (!dopanic)
 736         PrintCounters();
 737
 738     /* shut down volume package */
 739     VShutdown();
 740
 741 #ifdef AFS_DEMAND_ATTACH_FS
 742     if (fs_state.options.fs_state_save) {
 743         /*
 744          * demand attach fs
 745          * save fileserver state to disk */
 746
 747         if (dopanic) {
 748             ViceLog(0, ("Not saving fileserver state; abnormal shutdown\n"));
 749
 750         } else {
 751             /* make sure background threads have finished all of their asynchronous
 752              * work on host and callback structures */
 753             FS_STATE_RDLOCK;
 754             while (!fs_state.FiveMinuteLWP_tranquil ||
 755                    !fs_state.HostCheckLWP_tranquil ||
 756                    !fs_state.FsyncCheckLWP_tranquil) {
 757                 FS_LOCK;
 758                 FS_STATE_UNLOCK;
 759                 ViceLog(0, ("waiting for background host/callback threads to quiesce before saving fileserver state...\n"));
 760                 opr_cv_wait(&fs_state.worker_done_cv, &fileproc_glock_mutex);
 761                 FS_UNLOCK;
 762                 FS_STATE_RDLOCK;
 763             }
 764             FS_STATE_UNLOCK;
 765
 766             /* ok. it should now be fairly safe. let's do the state dump */
 767             fs_stateSave();
 768         }
 769     }
 770  done_vol_host:
 771
 772 #endif /* AFS_DEMAND_ATTACH_FS */
 773
 774     if (debugFile) {
 775         rx_PrintStats(debugFile);
 776         fflush(debugFile);
 777     }
 778     now = time(0);
 779     strftime(tbuffer, sizeof(tbuffer), "%a %b %d %H:%M:%S %Y",
 780              localtime_r(&now, &tm));
 781     if (dopanic) {
 782       ViceLog(0, ("File server has terminated abnormally at %s\n", tbuffer));
 783     } else {
 784       ViceLog(0, ("File server has terminated normally at %s\n", tbuffer));
 785     }
 786
 787     if (dopanic) /* XXX pass in file and line? */
 788         osi_Panic("Panic requested\n");
 789
 790     exit(0);
 791 }
 792
 793 static afs_int32
 794 ParseRights(char *arights)
 795 {
 796     afs_int32 mode = 0;
 797     int i, len;
 798     char tc;
 799
 800     if (!arights || !strcmp(arights, "")) {
 801         printf("Missing list of mode bits on -implicit option\n");
 802         return -1;
 803     }
 804     if (!strcmp(arights, "none"))
 805         mode = 0;
 806     else if (!strcmp(arights, "read"))
 807         mode = PRSFS_READ | PRSFS_LOOKUP;
 808     else if (!strcmp(arights, "write"))
 809         mode =
 810             PRSFS_READ | PRSFS_LOOKUP | PRSFS_INSERT | PRSFS_DELETE |
 811             PRSFS_WRITE | PRSFS_LOCK;
 812     else if (!strcmp(arights, "all"))
 813         mode =
 814             PRSFS_READ | PRSFS_LOOKUP | PRSFS_INSERT | PRSFS_DELETE |
 815             PRSFS_WRITE | PRSFS_LOCK | PRSFS_ADMINISTER;
 816     else {
 817         len = strlen(arights);
 818         for (i = 0; i < len; i++) {
 819             tc = *arights++;
 820             if (tc == 'r')
 821                 mode |= PRSFS_READ;
 822             else if (tc == 'l')
 823                 mode |= PRSFS_LOOKUP;
 824             else if (tc == 'i')
 825                 mode |= PRSFS_INSERT;
 826             else if (tc == 'd')
 827                 mode |= PRSFS_DELETE;
 828             else if (tc == 'w')
 829                 mode |= PRSFS_WRITE;
 830             else if (tc == 'k')
 831                 mode |= PRSFS_LOCK;
 832             else if (tc == 'a')
 833                 mode |= PRSFS_ADMINISTER;
 834             else if (tc == 'A')
 835                 mode |= PRSFS_USR0;
 836             else if (tc == 'B')
 837                 mode |= PRSFS_USR1;
 838             else if (tc == 'C')
 839                 mode |= PRSFS_USR2;
 840             else if (tc == 'D')
 841                 mode |= PRSFS_USR3;
 842             else if (tc == 'E')
 843                 mode |= PRSFS_USR4;
 844             else if (tc == 'F')
 845                 mode |= PRSFS_USR5;
 846             else if (tc == 'G')
 847                 mode |= PRSFS_USR6;
 848             else if (tc == 'H')
 849                 mode |= PRSFS_USR7;
 850             else {
 851                 printf("Illegal -implicit rights character '%c'.\n", tc);
 852                 return -1;
 853             }
 854         }
 855     }
 856     return mode;
 857 }
 858
 859 /*
 860  * Limit MAX_FILESERVER_THREAD by the system limit on the number of
 861  * pthreads (sysconf(_SC_THREAD_THREADS_MAX)), if applicable and
 862  * available.
 863  *
 864  * AIX:         sysconf() limit is real
 865  * HP-UX:       sysconf() limit is real
 866  * IRIX:        sysconf() limit is apparently NOT real -- too small
 867  * DUX:         sysconf() limit is apparently NOT real -- too big
 868  * Linux:       sysconf() limit is apparently NOT real -- too big
 869  * Solaris:     no sysconf() limit
 870  */
 871 static int
 872 max_fileserver_thread(void)
 873 {
 874 #if defined(AFS_AIX_ENV) || defined(AFS_HPUX_ENV)
 875     long ans;
 876
 877     ans = sysconf(_SC_THREAD_THREADS_MAX);
 878     if (0 < ans && ans < MAX_FILESERVER_THREAD)
 879         return (int)ans;
 880 #endif
 881     return MAX_FILESERVER_THREAD;
 882 }
 883
 884 /* from ihandle.c */
 885 extern ih_init_params vol_io_params;
 886
 887 enum optionsList {
 888     OPT_large,
 889     OPT_small,
 890     OPT_banner,
 891     OPT_implicit,
 892     OPT_lock,
 893     OPT_readonly,
 894     OPT_saneacls,
 895     OPT_buffers,
 896     OPT_callbacks,
 897     OPT_vcsize,
 898     OPT_lvnodes,
 899     OPT_svnodes,
 900     OPT_sendsize,
 901     OPT_minspare,
 902     OPT_spare,
 903     OPT_pctspare,
 904     OPT_hostcpsrefresh,
 905     OPT_vattachthreads,
 906     OPT_abortthreshold,
 907     OPT_busyat,
 908     OPT_nobusy,
 909     OPT_offline_timeout,
 910     OPT_offline_shutdown_timeout,
 911     OPT_vhandle_setaside,
 912     OPT_vhandle_max_cachesize,
 913     OPT_vhandle_initial_cachesize,
 914     OPT_fs_state_dont_save,
 915     OPT_fs_state_dont_restore,
 916     OPT_fs_state_verify,
 917     OPT_vhashsize,
 918     OPT_vlrudisable,
 919     OPT_vlruthresh,
 920     OPT_vlruinterval,
 921     OPT_vlrumax,
 922     OPT_unsafe_nosalvage,
 923     OPT_cbwait,
 924     OPT_novbc,
 925     OPT_auditlog,
 926     OPT_auditiface,
 927     OPT_config,
 928     OPT_debug,
 929     OPT_logfile,
 930     OPT_mrafslogs,
 931     OPT_threads,
 932 #ifdef HAVE_SYSLOG
 933     OPT_syslog,
 934 #endif
 935     OPT_peer,
 936     OPT_process,
 937     OPT_nojumbo,
 938     OPT_jumbo,
 939     OPT_rxbind,
 940     OPT_rxdbg,
 941     OPT_rxdbge,
 942     OPT_rxpck,
 943     OPT_rxmaxmtu,
 944     OPT_udpsize,
 945     OPT_dotted,
 946     OPT_realm,
 947     OPT_sync,
 948     OPT_transarc_logs
 949 };
 950
 951 static int
 952 ParseArgs(int argc, char *argv[])
 953 {
 954     int code;
 955     int optval;
 956     char *optstring = NULL;
 957     struct cmd_item *optlist;
 958     struct cmd_syndesc *opts;
 959
 960     int lwps_max;
 961     char *auditFileName = NULL;
 962     char *sync_behavior = NULL;
 963
 964 #if defined(AFS_AIX32_ENV)
 965     extern int aixlow_water;
 966 #endif
 967
 968     opts = cmd_CreateSyntax(NULL, NULL, NULL, 0, NULL);
 969
 970     /* fileserver options */
 971     cmd_AddParmAtOffset(opts, OPT_large, "-L", CMD_FLAG,
 972                         CMD_OPTIONAL, "defaults for a 'large' server");
 973     cmd_AddParmAtOffset(opts, OPT_small, "-S", CMD_FLAG,
 974                         CMD_OPTIONAL, "defaults for a 'small' server");
 975
 976     cmd_AddParmAtOffset(opts, OPT_banner, "-banner", CMD_FLAG,
 977                         CMD_OPTIONAL, "print regular banners to log");
 978     cmd_AddParmAtOffset(opts, OPT_implicit, "-implicit", CMD_SINGLE,
 979                         CMD_OPTIONAL, "implicit admin access bits");
 980
 981 #if defined(AFS_SGI_ENV)
 982     cmd_AddParmAtOffset(opts, OPT_lock, "-lock", CMD_FLAG,
 983                         CMD_OPTIONAL, "lock filserver binary in memory");
 984 #endif
 985     cmd_AddParmAtOffset(opts, OPT_readonly, "-readonly", CMD_FLAG,
 986                         CMD_OPTIONAL, "be a readonly fileserver");
 987     cmd_AddParmAtOffset(opts, OPT_saneacls, "-saneacls", CMD_FLAG,
 988                         CMD_OPTIONAL, "set the saneacls capability bit");
 989
 990     cmd_AddParmAtOffset(opts, OPT_buffers, "-b", CMD_SINGLE,
 991                         CMD_OPTIONAL, "buffers");
 992     cmd_AddParmAtOffset(opts, OPT_callbacks, "-cb", CMD_SINGLE,
 993                         CMD_OPTIONAL, "number of callbacks");
 994     cmd_AddParmAtOffset(opts, OPT_vcsize, "-vc", CMD_SINGLE,
 995                         CMD_OPTIONAL, "volume cachesize");
 996     cmd_AddParmAtOffset(opts, OPT_lvnodes, "-l", CMD_SINGLE,
 997                         CMD_OPTIONAL, "large vnodes");
 998     cmd_AddParmAtOffset(opts, OPT_svnodes, "-s", CMD_SINGLE,
 999                         CMD_OPTIONAL, "small vnodes");
1000     cmd_AddParmAtOffset(opts, OPT_sendsize, "-sendsize", CMD_SINGLE,
1001                         CMD_OPTIONAL, "size of send buffer in bytes");
1002
1003 #if defined(AFS_AIX32_ENV)
1004     cmd_AddParmAtOffset(opts, OPT_minspare, "-m", CMD_SINGLE,
1005                         CMD_OPTIONAL, "minimum percentage spare in partition");
1006 #endif
1007
1008     cmd_AddParmAtOffset(opts, OPT_spare, "-spare", CMD_SINGLE,
1009                         CMD_OPTIONAL, "kB overage on volume quota");
1010     cmd_AddParmAtOffset(opts, OPT_pctspare, "-pctspare", CMD_SINGLE,
1011                         CMD_OPTIONAL, "percentage overage on volume quota");
1012
1013     cmd_AddParmAtOffset(opts, OPT_hostcpsrefresh, "-hr", CMD_SINGLE,
1014                         CMD_OPTIONAL, "hours between host CPS refreshes");
1015
1016     cmd_AddParmAtOffset(opts, OPT_vattachthreads, "-vattachpar", CMD_SINGLE,
1017                         CMD_OPTIONAL, "# of volume attachment threads");
1018
1019     cmd_AddParmAtOffset(opts, OPT_abortthreshold, "-abortthreshold",
1020                         CMD_SINGLE, CMD_OPTIONAL,
1021                         "abort threshold");
1022     cmd_AddParmAtOffset(opts, OPT_busyat, "-busyat", CMD_SINGLE, CMD_OPTIONAL,
1023                         "# of queued entries after which server is busy");
1024     cmd_AddParmAtOffset(opts, OPT_nobusy, "-nobusy", CMD_FLAG, CMD_OPTIONAL,
1025                         "send VRESTARTING while restarting the server");
1026
1027     cmd_AddParmAtOffset(opts, OPT_offline_timeout, "-offline-timeout",
1028                         CMD_SINGLE, CMD_OPTIONAL,
1029                         "timeout for offlining volumes");
1030     cmd_AddParmAtOffset(opts, OPT_offline_shutdown_timeout,
1031                         "-offline-shutdown-timeout", CMD_SINGLE, CMD_OPTIONAL,
1032                         "timeout offlining volumes during shutdown");
1033
1034     cmd_AddParmAtOffset(opts, OPT_vhandle_setaside, "-vhandle-setaside",
1035                         CMD_SINGLE, CMD_OPTIONAL,
1036                         "# fds reserved for non-cache IO");
1037     cmd_AddParmAtOffset(opts, OPT_vhandle_max_cachesize,
1038                         "-vhandle-max-cachesize", CMD_SINGLE, CMD_OPTIONAL,
1039                         "max open files");
1040     cmd_AddParmAtOffset(opts, OPT_vhandle_initial_cachesize,
1041                         "-vhandle-initial-cachesize", CMD_SINGLE,
1042                         CMD_OPTIONAL, "# fds reserved for cache IO");
1043     cmd_AddParmAtOffset(opts, OPT_vhashsize, "-vhashsize",
1044                         CMD_SINGLE, CMD_OPTIONAL,
1045                         "log(2) of # of volume hash buckets");
1046
1047 #ifdef AFS_DEMAND_ATTACH_FS
1048     /* dafs options */
1049     cmd_AddParmAtOffset(opts, OPT_fs_state_dont_save,
1050                         "-fs-state-dont-save", CMD_FLAG, CMD_OPTIONAL,
1051                         "disable state save during shutdown");
1052     cmd_AddParmAtOffset(opts, OPT_fs_state_dont_restore,
1053                         "-fs-state-dont-restore", CMD_FLAG, CMD_OPTIONAL,
1054                         "disable state restore during startup");
1055     cmd_AddParmAtOffset(opts, OPT_fs_state_verify, "-fs-state-verify",
1056                         CMD_SINGLE, CMD_OPTIONAL, "none|save|restore|both");
1057     cmd_AddParmAtOffset(opts, OPT_vlrudisable, "-vlrudisable",
1058                         CMD_FLAG, CMD_OPTIONAL, "disable VLRU functionality");
1059     cmd_AddParmAtOffset(opts, OPT_vlruthresh, "-vlruthresh",
1060                         CMD_SINGLE, CMD_OPTIONAL,
1061                         "mins before unused vols become eligible for detach");
1062     cmd_AddParmAtOffset(opts, OPT_vlruinterval, "-vlruinterval",
1063                         CMD_SINGLE, CMD_OPTIONAL, "secs between VLRU scans");
1064     cmd_AddParmAtOffset(opts, OPT_vlrumax, "-vlrumax", CMD_SINGLE, CMD_OPTIONAL,
1065                         "max volumes to detach in one scan");
1066     cmd_AddParmAtOffset(opts, OPT_unsafe_nosalvage, "-unsafe-nosalvage",
1067                         CMD_FLAG, CMD_OPTIONAL,
1068                         "bypass safety checks on volume attach");
1069 #endif
1070
1071     /* unrecommend options - should perhaps be CMD_HIDE */
1072     cmd_AddParmAtOffset(opts, OPT_cbwait, "-w", CMD_SINGLE, CMD_OPTIONAL,
1073                         "callback wait interval");
1074     cmd_AddParmAtOffset(opts, OPT_novbc, "-novbc", CMD_FLAG, CMD_OPTIONAL,
1075                         "disable callback breaks on reattach");
1076
1077     /* general options */
1078     cmd_AddParmAtOffset(opts, OPT_auditlog, "-auditlog", CMD_SINGLE,
1079                         CMD_OPTIONAL, "location of audit log");
1080     cmd_AddParmAtOffset(opts, OPT_auditiface, "-audit-interface", CMD_SINGLE,
1081                         CMD_OPTIONAL, "interface to use for audit logging");
1082     cmd_AddParmAtOffset(opts, OPT_debug, "-d", CMD_SINGLE, CMD_OPTIONAL,
1083                         "debug level");
1084     cmd_AddParmAtOffset(opts, OPT_mrafslogs, "-mrafslogs", CMD_FLAG,
1085                         CMD_OPTIONAL, "enable MRAFS style logging");
1086     cmd_AddParmAtOffset(opts, OPT_transarc_logs, "-transarc-logs", CMD_FLAG,
1087                         CMD_OPTIONAL, "enable Transarc style logging");
1088     cmd_AddParmAtOffset(opts, OPT_threads, "-p", CMD_SINGLE, CMD_OPTIONAL,
1089                         "number of threads");
1090 #ifdef HAVE_SYSLOG
1091     cmd_AddParmAtOffset(opts, OPT_syslog, "-syslog", CMD_SINGLE_OR_FLAG,
1092                         CMD_OPTIONAL, "log to syslog");
1093 #endif
1094
1095     /* rx options */
1096     cmd_AddParmAtOffset(opts, OPT_peer, "-enable_peer_stats", CMD_FLAG,
1097                         CMD_OPTIONAL, "enable RX transport statistics");
1098     cmd_AddParmAtOffset(opts, OPT_process, "-enable_process_stats", CMD_FLAG,
1099                         CMD_OPTIONAL, "enable RX RPC statistics");
1100     cmd_AddParmAtOffset(opts, OPT_nojumbo, "-nojumbo", CMD_FLAG,
1101                         CMD_OPTIONAL, "disable jumbograms");
1102     cmd_AddParmAtOffset(opts, OPT_jumbo, "-jumbo", CMD_FLAG, CMD_OPTIONAL,
1103                         "enable jumbograms");
1104     cmd_AddParmAtOffset(opts, OPT_rxbind, "-rxbind", CMD_FLAG, CMD_OPTIONAL,
1105                         "bind only to the primary interface");
1106     cmd_AddParmAtOffset(opts, OPT_rxdbg, "-rxdbg", CMD_FLAG, CMD_OPTIONAL,
1107                         "enable rx debugging");
1108     cmd_AddParmAtOffset(opts, OPT_rxdbge, "-rxdbge", CMD_FLAG, CMD_OPTIONAL,
1109                         "enable rx event debugging");
1110     cmd_AddParmAtOffset(opts, OPT_rxpck, "-rxpck", CMD_SINGLE, CMD_OPTIONAL,
1111                         "# of extra rx packets");
1112     cmd_AddParmAtOffset(opts, OPT_rxmaxmtu, "-rxmaxmtu", CMD_SINGLE,
1113                         CMD_OPTIONAL, "maximum MTU for RX");
1114     cmd_AddParmAtOffset(opts, OPT_udpsize, "-udpsize", CMD_SINGLE,
1115                         CMD_OPTIONAL, "size of socket buffer in bytes");
1116
1117     /* rxkad options */
1118     cmd_AddParmAtOffset(opts, OPT_dotted, "-allow-dotted-principals",
1119                         CMD_FLAG, CMD_OPTIONAL,
1120                         "permit Kerberos 5 principals with dots");
1121     cmd_AddParmAtOffset(opts, OPT_realm, "-realm",
1122                         CMD_LIST, CMD_OPTIONAL, "local realm");
1123     cmd_AddParmAtOffset(opts, OPT_sync, "-sync",
1124                         CMD_SINGLE, CMD_OPTIONAL, "always | onclose | never");
1125
1126     /* testing options */
1127     cmd_AddParmAtOffset(opts, OPT_logfile, "-logfile", CMD_SINGLE,
1128             CMD_OPTIONAL, "location of log file");
1129     cmd_AddParmAtOffset(opts, OPT_config, "-config", CMD_SINGLE,
1130             CMD_OPTIONAL, "configuration location");
1131
1132     code = cmd_Parse(argc, argv, &opts);
1133     if (code == CMD_HELP) {
1134         exit(0);
1135     }
1136     if (code)
1137         return -1;
1138
1139     cmd_OpenConfigFile(AFSDIR_SERVER_CONFIG_FILE_FILEPATH);
1140     cmd_SetCommandName("fileserver");
1141
1142     if (cmd_OptionPresent(opts, OPT_large)
1143         && cmd_OptionPresent(opts, OPT_small)) {
1144         printf("Only one of -L or -S must be specified\n");
1145         return -1;
1146     }
1147
1148     if (cmd_OptionPresent(opts, OPT_spare)
1149         && cmd_OptionPresent(opts, OPT_pctspare)) {
1150         printf("Both -spare and -pctspare specified, exiting.\n");
1151         return -1;
1152     }
1153
1154     if (cmd_OptionPresent(opts, OPT_large)) {
1155         rxpackets = 200;
1156         nSmallVns = 600;
1157         large = 600;
1158         numberofcbs = 64000;
1159         lwps = 128;
1160         buffs = 120;
1161         volcache = 600;
1162     }
1163
1164     if (cmd_OptionPresent(opts, OPT_small)) {
1165         rxpackets = 100;
1166         nSmallVns = 200;
1167         large = 200;
1168         numberofcbs = 20000;
1169         lwps = 6;
1170         buffs = 70;
1171         volcache = 200;
1172     }
1173
1174     cmd_OptionAsFlag(opts, OPT_banner, &printBanner);
1175
1176     if (cmd_OptionAsString(opts, OPT_implicit, &optstring) == 0) {
1177         implicitAdminRights = ParseRights(optstring);
1178         free(optstring);
1179         optstring = NULL;
1180         if (implicitAdminRights < 0)
1181             return implicitAdminRights;
1182     }
1183
1184 #if defined(AFS_SGI_ENV)
1185     cmd_OptionAsFlag(opts, OPT_lock, &SawLock);
1186 #endif
1187     cmd_OptionAsFlag(opts, OPT_readonly, &readonlyServer);
1188     cmd_OptionAsFlag(opts, OPT_saneacls, &saneacls);
1189     cmd_OptionAsInt(opts, OPT_buffers, &buffs);
1190
1191     if (cmd_OptionAsInt(opts, OPT_callbacks, &numberofcbs) == 0) {
1192         if ((numberofcbs < 10000) || (numberofcbs > 2147483647)) {
1193             printf("number of cbs %d invalid; "
1194                    "must be between 10000 and 2147483647\n", numberofcbs);
1195             return -1;
1196         }
1197     }
1198
1199     cmd_OptionAsInt(opts, OPT_vcsize, &volcache);
1200     cmd_OptionAsInt(opts, OPT_lvnodes, &large);
1201     cmd_OptionAsInt(opts, OPT_svnodes, &nSmallVns);
1202     if (cmd_OptionAsInt(opts, OPT_sendsize, &optval) == 0) {
1203         if (optval < 16384) {
1204             printf("Warning:sendsize %d is less than minimum %d; ignoring\n",
1205                    optval, 16384);
1206         } else
1207             sendBufSize = optval;
1208     }
1209
1210 #if defined(AFS_AIX32_ENV)
1211     if (cmd_OptionAsInt(opts, OPT_minspare, &aixlow_water) == 0) {
1212         if ((aixlow_water < 0) || (aixlow_water > 30)) {
1213             printf("space reserved %d%% invalid; must be between 0-30%\n",
1214                    aixlow_water);
1215             return -1;
1216         }
1217     }
1218 #endif
1219
1220     cmd_OptionAsInt(opts, OPT_spare, &BlocksSpare);
1221     if (cmd_OptionAsInt(opts, OPT_pctspare, &PctSpare) == 0) {
1222         BlocksSpare = 0;
1223     }
1224
1225     if (cmd_OptionAsInt(opts, OPT_hostcpsrefresh, &optval) == 0) {
1226         if ((optval < 1) || (optval > 36)) {
1227             printf("host acl refresh interval of %d hours is invalid; "
1228                    "hours must be between 1 and 36\n\n", optval);
1229             return -1;
1230         }
1231         hostaclRefresh = optval * 60 * 60;
1232     }
1233
1234     cmd_OptionAsInt(opts, OPT_vattachthreads, &vol_attach_threads);
1235
1236     cmd_OptionAsInt(opts, OPT_abortthreshold, &abort_threshold);
1237
1238     /* busyat is at the end, as rxpackets has to be set before we can use it */
1239     if (cmd_OptionPresent(opts, OPT_nobusy))
1240         busyonrst = 0;
1241
1242     if (cmd_OptionAsInt(opts, OPT_offline_timeout, &offline_timeout) == 0) {
1243         if (offline_timeout < -1) {
1244             printf("Invalid -offline-timeout value %d; the only valid "
1245                    "negative value is -1\n", offline_timeout);
1246             return -1;
1247         }
1248     }
1249
1250     if (cmd_OptionAsInt(opts, OPT_offline_shutdown_timeout,
1251                         &offline_shutdown_timeout) == 0) {
1252         if (offline_shutdown_timeout < -1) {
1253             printf("Invalid -offline-timeout value %d; the only valid "
1254                    "negative value is -1\n", offline_shutdown_timeout);
1255             return -1;
1256         }
1257     }
1258
1259     cmd_OptionAsUint(opts, OPT_vhandle_setaside,
1260                     &vol_io_params.fd_handle_setaside);
1261     cmd_OptionAsUint(opts, OPT_vhandle_max_cachesize,
1262                     &vol_io_params.fd_max_cachesize);
1263     cmd_OptionAsUint(opts, OPT_vhandle_initial_cachesize,
1264                     &vol_io_params.fd_initial_cachesize);
1265     if (cmd_OptionAsString(opts, OPT_sync, &sync_behavior) == 0) {
1266         if (ih_SetSyncBehavior(sync_behavior)) {
1267             printf("Invalid -sync value %s\n", sync_behavior);
1268             return -1;
1269         }
1270     }
1271     if (cmd_OptionAsInt(opts, OPT_vhashsize, &optval) == 0) {
1272         if (VSetVolHashSize(optval)) {
1273             fprintf(stderr, "specified -vhashsize (%d) is invalid or out "
1274                             "of range\n", optval);
1275             return -1;
1276         }
1277     }
1278
1279 #ifdef AFS_DEMAND_ATTACH_FS
1280     if (cmd_OptionPresent(opts, OPT_fs_state_dont_save))
1281         fs_state.options.fs_state_save = 0;
1282     if (cmd_OptionPresent(opts, OPT_fs_state_dont_restore))
1283         fs_state.options.fs_state_restore = 0;
1284     if (cmd_OptionAsString(opts, OPT_fs_state_verify, &optstring) == 0) {
1285         if (strcmp(optstring, "none") == 0) {
1286             fs_state.options.fs_state_verify_before_save = 0;
1287             fs_state.options.fs_state_verify_after_restore = 0;
1288         } else if (strcmp(optstring, "save") == 0) {
1289             fs_state.options.fs_state_verify_after_restore = 0;
1290         } else if (strcmp(optstring, "restore") == 0) {
1291             fs_state.options.fs_state_verify_before_save = 0;
1292         } else if (strcmp(optstring, "both") == 0) {
1293             /* default */
1294         } else {
1295             fprintf(stderr, "invalid argument for -fs-state-verify\n");
1296             return -1;
1297         }
1298     }
1299     if (cmd_OptionPresent(opts, OPT_vlrudisable))
1300         VLRU_SetOptions(VLRU_SET_ENABLED, 0);
1301     if (cmd_OptionAsInt(opts, OPT_vlruthresh, &optval) == 0)
1302         VLRU_SetOptions(VLRU_SET_THRESH, 60*optval);
1303     if (cmd_OptionAsInt(opts, OPT_vlruinterval, &optval) == 0)
1304         VLRU_SetOptions(VLRU_SET_INTERVAL, optval);
1305     if (cmd_OptionAsInt(opts, OPT_vlrumax, &optval) == 0)
1306         VLRU_SetOptions(VLRU_SET_MAX, optval);
1307     cmd_OptionAsFlag(opts, OPT_unsafe_nosalvage, &unsafe_attach);
1308 #endif /* AFS_DEMAND_ATTACH_FS */
1309
1310     cmd_OptionAsInt(opts, OPT_cbwait, &fiveminutes);
1311     cmd_OptionAsFlag(opts, OPT_novbc, &novbc);
1312
1313     /* general server options */
1314     cmd_OptionAsString(opts, OPT_auditlog, &auditFileName);
1315
1316     if (cmd_OptionAsString(opts, OPT_auditiface, &optstring) == 0) {
1317         if (osi_audit_interface(optstring)) {
1318             printf("Invalid audit interface '%s'\n", optstring);
1319             return -1;
1320         }
1321         free(optstring);
1322         optstring = NULL;
1323     }
1324
1325     if (cmd_OptionAsInt(opts, OPT_threads, &lwps) == 0) {
1326         lwps_max = max_fileserver_thread() - FILESERVER_HELPER_THREADS;
1327         if (lwps > lwps_max)
1328             lwps = lwps_max;
1329         else if (lwps <6)
1330             lwps = 6;
1331     }
1332
1333     /* Logging options. */
1334 #ifdef HAVE_SYSLOG
1335     if (cmd_OptionPresent(opts, OPT_syslog)) {
1336         if (cmd_OptionPresent(opts, OPT_logfile)) {
1337             fprintf(stderr, "Invalid options: -syslog and -logfile are exclusive.\n");
1338             return -1;
1339         }
1340         if (cmd_OptionPresent(opts, OPT_transarc_logs)) {
1341             fprintf(stderr, "Invalid options: -syslog and -transarc-logs are exclusive.\n");
1342             return -1;
1343         }
1344         if (cmd_OptionPresent(opts, OPT_mrafslogs)) {
1345             fprintf(stderr, "Invalid options: -syslog and -mrafslogs are exclusive.\n");
1346             return -1;
1347         }
1348
1349         logopts.lopt_dest = logDest_syslog;
1350         logopts.lopt_facility = LOG_DAEMON;
1351         logopts.lopt_tag = "fileserver";
1352         cmd_OptionAsInt(opts, OPT_syslog, &logopts.lopt_facility);
1353     } else
1354 #endif
1355     {
1356         logopts.lopt_dest = logDest_file;
1357
1358         if (cmd_OptionPresent(opts, OPT_transarc_logs)) {
1359             if (cmd_OptionPresent(opts, OPT_mrafslogs)) {
1360                 fprintf(stderr,
1361                         "Invalid options: -transarc-logs and -mrafslogs are exclusive.\n");
1362                 return -1;
1363             }
1364             logopts.lopt_rotateOnOpen = 1;
1365             logopts.lopt_rotateStyle = logRotate_old;
1366         } else if (cmd_OptionPresent(opts, OPT_mrafslogs)) {
1367             logopts.lopt_rotateOnOpen = 1;
1368             logopts.lopt_rotateOnReset = 1;
1369             logopts.lopt_rotateStyle = logRotate_timestamp;
1370         }
1371
1372         if (cmd_OptionPresent(opts, OPT_logfile))
1373             cmd_OptionAsString(opts, OPT_logfile, (char**)&logopts.lopt_filename);
1374         else
1375             logopts.lopt_filename = AFSDIR_SERVER_FILELOG_FILEPATH;
1376
1377     }
1378     cmd_OptionAsInt(opts, OPT_debug, &logopts.lopt_logLevel);
1379
1380     if (cmd_OptionPresent(opts, OPT_peer))
1381         rx_enablePeerRPCStats();
1382     if (cmd_OptionPresent(opts, OPT_process))
1383         rx_enableProcessRPCStats();
1384     if (cmd_OptionPresent(opts, OPT_nojumbo))
1385         rxJumbograms = 0;
1386     if (cmd_OptionPresent(opts, OPT_jumbo))
1387         rxJumbograms = 1;
1388     cmd_OptionAsFlag(opts, OPT_rxbind, &rxBind);
1389     cmd_OptionAsFlag(opts, OPT_rxdbg, &rxlog);
1390     cmd_OptionAsFlag(opts, OPT_rxdbge, &eventlog);
1391     cmd_OptionAsInt(opts, OPT_rxpck, &rxpackets);
1392
1393     cmd_OptionAsInt(opts, OPT_rxmaxmtu, &rxMaxMTU);
1394
1395     if (cmd_OptionAsInt(opts, OPT_udpsize, &optval) == 0) {
1396         if (optval < rx_GetMinUdpBufSize()) {
1397             printf("Warning:udpsize %d is less than minimum %d; ignoring\n",
1398                    optval, rx_GetMinUdpBufSize());
1399         } else
1400             udpBufSize = optval;
1401     }
1402
1403     /* rxkad options */
1404     cmd_OptionAsFlag(opts, OPT_dotted, &rxkadDisableDotCheck);
1405     if (cmd_OptionAsList(opts, OPT_realm, &optlist) == 0) {
1406
1407         for (; optlist != NULL; optlist=optlist->next) {
1408             if (strlen(optlist->data) >= AFS_REALM_SZ) {
1409                 printf("-realm argument must contain fewer than %d "
1410                        "characters.\n", AFS_REALM_SZ);
1411                 return -1;
1412             }
1413             afsconf_SetLocalRealm(optlist->data); /* overrides krb.conf file, if one */
1414         }
1415     }
1416
1417     /* anything setting rxpackets must come before this */
1418     if (cmd_OptionAsInt(opts, OPT_busyat, &optval) == 0) {
1419         if (optval < 10) {
1420             printf("Busy threshold %d is too low, will use default.\n",
1421                    busy_threshold);
1422             busy_threshold = 3 * rxpackets / 2;
1423         } else {
1424             busy_threshold = optval;
1425         }
1426     } else {
1427         busy_threshold = 3 * rxpackets / 2;
1428     }
1429
1430     cmd_OptionAsString(opts, OPT_config, &FS_configPath);
1431
1432
1433     if (auditFileName)
1434         osi_audit_file(auditFileName);
1435
1436     if (lwps > 64) {
1437         host_thread_quota = 5;
1438     } else if (lwps > 32) {
1439         host_thread_quota = 4;
1440     } else if (lwps > 16) {
1441         host_thread_quota = 3;
1442     } else {
1443         host_thread_quota = 2;
1444     }
1445
1446     return (0);
1447 }                               /*ParseArgs */
1448
1449 /* Once upon a time, in a galaxy far far away, IBM AFS supported the use of
1450  * a file /vice/file/parms, the contents of which would override any command
1451  * line parameters. We no longer support the use of such a file, but we warn
1452  * if we encounter its presence from an older release
1453  */
1454 static void
1455 CheckParms(void)
1456 {
1457     struct afs_stat sbuf;
1458
1459     if (afs_stat("/vice/file/parms", &sbuf) == 0) {
1460         ViceLog(0, ("Using /vice/file/parms to override command line "
1461                     "options is no longer supported"));
1462     }
1463 }
1464
1465 /* Miscellaneous routines */
1466 void
1467 Die(const char *msg)
1468 {
1469
1470     ViceLogThenPanic(0, ("%s\n", msg));
1471 }                               /*Die */
1472
1473
1474 afs_int32
1475 InitPR(void)
1476 {
1477     int code;
1478
1479     /*
1480      * If this fails, it's because something major is wrong, and is not
1481      * likely to be time dependent.
1482      */
1483     code = pr_Initialize(2, AFSDIR_SERVER_ETC_DIRPATH, 0);
1484     if (code != 0) {
1485         ViceLog(0,
1486                 ("Couldn't initialize protection library; code=%d.\n", code));
1487         return code;
1488     }
1489
1490     opr_Verify(pthread_key_create(&viced_uclient_key, NULL) == 0);
1491
1492     SystemId = SYSADMINID;
1493     SystemAnyUser = ANYUSERID;
1494     SystemAnyUserCPS.prlist_len = 0;
1495     SystemAnyUserCPS.prlist_val = NULL;
1496     AnonCPS.prlist_len = 0;
1497     AnonCPS.prlist_val = NULL;
1498     while (1) {
1499         code = pr_GetCPS(SystemAnyUser, &SystemAnyUserCPS);
1500         if (code != 0) {
1501             ViceLog(0,
1502                     ("Couldn't get CPS for AnyUser, will try again in 30 seconds; code=%d.\n",
1503                      code));
1504             goto sleep;
1505         }
1506         code = pr_GetCPS(ANONYMOUSID, &AnonCPS);
1507         if (code != 0) {
1508             ViceLog(0,
1509                     ("Couldn't get Anonymous CPS, exiting; code=%d.\n",
1510                      code));
1511             return -1;
1512         }
1513         AnonymousID = ANONYMOUSID;
1514         return 0;
1515       sleep:
1516         sleep(30);
1517     }
1518 }                               /*InitPR */
1519
1520 static struct ubik_client *cstruct;
1521
1522 static afs_int32
1523 vl_Initialize(struct afsconf_dir *dir)
1524 {
1525     afs_int32 code, i;
1526     afs_int32 scIndex = RX_SECIDX_NULL;
1527     struct afsconf_cell info;
1528     struct rx_securityClass *sc;
1529     struct rx_connection *serverconns[MAXSERVERS];
1530
1531     memset(serverconns, 0, sizeof(serverconns));
1532     code = afsconf_ClientAuth(dir, &sc, &scIndex);
1533     if (code) {
1534         ViceLog(0, ("Could not get security object for localAuth\n"));
1535         exit(1);
1536     }
1537     code = afsconf_GetCellInfo(dir, NULL, AFSCONF_VLDBSERVICE, &info);
1538     if (code) {
1539         ViceLog(0,
1540                 ("vl_Initialize: Failed to get cell information\n"));
1541         exit(1);
1542     }
1543     if (info.numServers > MAXSERVERS) {
1544         ViceLog(0,
1545                 ("vl_Initialize: info.numServers=%d (> MAXSERVERS=%d)\n",
1546                  info.numServers, MAXSERVERS));
1547         exit(1);
1548     }
1549     for (i = 0; i < info.numServers; i++)
1550         serverconns[i] =
1551             rx_NewConnection(info.hostAddr[i].sin_addr.s_addr,
1552                              info.hostAddr[i].sin_port, USER_SERVICE_ID, sc,
1553                              scIndex);
1554     code = ubik_ClientInit(serverconns, &cstruct);
1555     if (code) {
1556         ViceLog(0, ("vl_Initialize: ubik client init failed.\n"));
1557         return code;
1558     }
1559     return 0;
1560 }
1561
1562 #define SYSIDMAGIC      0x88aabbcc
1563 #define SYSIDVERSION    1
1564
1565 afs_int32
1566 ReadSysIdFile(void)
1567 {
1568     afs_int32 fd, nentries, i;
1569     struct versionStamp vsn;
1570     struct afs_stat status;
1571     afsUUID uuid;
1572
1573     if ((afs_stat(AFSDIR_SERVER_SYSID_FILEPATH, &status))
1574         || (status.st_size <= 0)) {
1575         ViceLog(0, ("%s: doesn't exist\n", AFSDIR_SERVER_SYSID_FILEPATH));
1576         return ENOENT;
1577     }
1578     if (!(fd = afs_open(AFSDIR_SERVER_SYSID_FILEPATH, O_RDONLY, 0))) {
1579         ViceLog(0,
1580                 ("%s: can't open (%d)\n", AFSDIR_SERVER_SYSID_FILEPATH,
1581                  errno));
1582         return EIO;
1583     }
1584     if (read(fd, (char *)&vsn, sizeof(vsn)) != sizeof(vsn)) {
1585         ViceLog(0,
1586                 ("%s: Read failed (%d)\n", AFSDIR_SERVER_SYSID_FILEPATH,
1587                  errno));
1588         return EIO;
1589     }
1590     if (vsn.magic != SYSIDMAGIC) {
1591         ViceLog(0,
1592                 ("%s: wrong magic %x (we support %x)\n",
1593                  AFSDIR_SERVER_SYSID_FILEPATH, vsn.magic, SYSIDMAGIC));
1594         return EIO;
1595     }
1596     if (vsn.version != SYSIDVERSION) {
1597         ViceLog(0,
1598                 ("%s: wrong version %d (we support %d)\n",
1599                  AFSDIR_SERVER_SYSID_FILEPATH, vsn.version, SYSIDVERSION));
1600         return EIO;
1601     }
1602     if (read(fd, (char *)&uuid, sizeof(struct afsUUID))
1603             != sizeof(struct afsUUID)) {
1604         ViceLog(0,
1605                 ("%s: read of uuid failed (%d)\n",
1606                  AFSDIR_SERVER_SYSID_FILEPATH, errno));
1607         return EIO;
1608     }
1609     afs_ntohuuid(&uuid);
1610     FS_HostUUID = uuid;
1611     if (read(fd, (char *)&nentries, sizeof(afs_int32)) != sizeof(afs_int32)) {
1612         ViceLog(0,
1613                 ("%s: Read of entries failed (%d)\n",
1614                  AFSDIR_SERVER_SYSID_FILEPATH, errno));
1615         return EIO;
1616     }
1617     if (nentries <= 0 || nentries > ADDRSPERSITE) {
1618         ViceLog(0,
1619                 ("%s: invalid num of interfaces: %d\n",
1620                  AFSDIR_SERVER_SYSID_FILEPATH, nentries));
1621         return EIO;
1622     }
1623     if (FS_HostAddr_cnt == 0) {
1624         FS_HostAddr_cnt = nentries;
1625         for (i = 0; i < nentries; i++) {
1626             if (read(fd, (char *)&FS_HostAddrs[i], sizeof(afs_int32)) !=
1627                 sizeof(afs_int32)) {
1628                 ViceLog(0,
1629                         ("%s: Read of addresses failed (%d)\n",
1630                          AFSDIR_SERVER_SYSID_FILEPATH, errno));
1631                 FS_HostAddr_cnt = 0;    /* reset it */
1632                 return EIO;
1633             }
1634         }
1635     } else {
1636         ViceLog(1,
1637                 ("%s: address list ignored (NetInfo/NetRestrict override)\n",
1638                  AFSDIR_SERVER_SYSID_FILEPATH));
1639     }
1640     close(fd);
1641     return 0;
1642 }
1643
1644 afs_int32
1645 WriteSysIdFile(void)
1646 {
1647     afs_int32 fd, i;
1648     struct versionStamp vsn;
1649     struct afs_stat status;
1650     afsUUID uuid;
1651
1652     if (!afs_stat(AFSDIR_SERVER_SYSID_FILEPATH, &status)) {
1653         /*
1654          * File exists; keep the old one around
1655          */
1656         rk_rename(AFSDIR_SERVER_SYSID_FILEPATH,
1657                   AFSDIR_SERVER_OLDSYSID_FILEPATH);
1658     }
1659     fd = afs_open(AFSDIR_SERVER_SYSID_FILEPATH, O_WRONLY | O_TRUNC | O_CREAT,
1660                   0666);
1661     if (fd < 1) {
1662         ViceLog(0,
1663                 ("%s: can't create (%d)\n", AFSDIR_SERVER_SYSID_FILEPATH,
1664                  errno));
1665         return EIO;
1666     }
1667     vsn.magic = SYSIDMAGIC;
1668     vsn.version = 1;
1669     if ((i = write(fd, (char *)&vsn, sizeof(vsn))) != sizeof(vsn)) {
1670         ViceLog(0,
1671                 ("%s: write failed (%d)\n", AFSDIR_SERVER_SYSID_FILEPATH,
1672                  errno));
1673         return EIO;
1674     }
1675     uuid = FS_HostUUID;
1676     afs_htonuuid(&uuid);
1677     if ((i =
1678          write(fd, (char *)&uuid,
1679                sizeof(struct afsUUID))) != sizeof(struct afsUUID)) {
1680         ViceLog(0,
1681                 ("%s: write of uuid failed (%d)\n",
1682                  AFSDIR_SERVER_SYSID_FILEPATH, errno));
1683         return EIO;
1684     }
1685     if ((i =
1686          write(fd, (char *)&FS_HostAddr_cnt,
1687                sizeof(afs_int32))) != sizeof(afs_int32)) {
1688         ViceLog(0,
1689                 ("%s: write of # of entries failed (%d)\n",
1690                  AFSDIR_SERVER_SYSID_FILEPATH, errno));
1691         return EIO;
1692     }
1693     for (i = 0; i < FS_HostAddr_cnt; i++) {
1694         if (write(fd, (char *)&FS_HostAddrs[i], sizeof(afs_int32)) !=
1695             sizeof(afs_int32)) {
1696             ViceLog(0,
1697                     ("%s: write of addresses failed (%d)\n",
1698                      AFSDIR_SERVER_SYSID_FILEPATH, errno));
1699             return EIO;
1700         }
1701     }
1702     close(fd);
1703     return 0;
1704 }
1705
1706 /*
1707  * defect 10966
1708  * This routine sets up the buffers for the VL_RegisterAddrs RPC. All addresses
1709  * in FS_HostAddrs[] are in NBO, while the RPC treats them as a "blob" of data
1710  * and so we need to convert each of them into HBO which is what the extra
1711  * array called FS_HostAddrs_HBO is used here.
1712  */
1713 static afs_int32
1714 Do_VLRegisterRPC(void)
1715 {
1716     int code;
1717     bulkaddrs addrs;
1718     afs_uint32 FS_HostAddrs_HBO[ADDRSPERSITE];
1719     int i = 0;
1720
1721     for (i = 0; i < FS_HostAddr_cnt; i++)
1722         FS_HostAddrs_HBO[i] = ntohl(FS_HostAddrs[i]);
1723     addrs.bulkaddrs_len = FS_HostAddr_cnt;
1724     addrs.bulkaddrs_val = (afs_uint32 *) FS_HostAddrs_HBO;
1725     code = ubik_VL_RegisterAddrs(cstruct, 0, &FS_HostUUID, 0, &addrs);
1726     if (code) {
1727         if (code == VL_MULTIPADDR) {
1728             ViceLog(0,
1729                     ("VL_RegisterAddrs rpc failed; The IP address exists on a different server; repair it\n"));
1730             ViceLog(0,
1731                     ("VL_RegisterAddrs rpc failed; See VLLog for details\n"));
1732             return code;
1733         } else if (code == RXGEN_OPCODE) {
1734             ViceLog(0,
1735                     ("vlserver doesn't support VL_RegisterAddrs rpc; ignored\n"));
1736             FS_registered = 2;  /* So we don't have to retry in the gc daemon */
1737         } else {
1738             ViceLog(0,
1739                     ("VL_RegisterAddrs rpc failed; will retry periodically (code=%d, err=%d)\n",
1740                      code, errno));
1741             FS_registered = 1;  /* Retry in the gc daemon */
1742         }
1743     } else {
1744         FS_registered = 2;      /* So we don't have to retry in the gc daemon */
1745         WriteSysIdFile();
1746     }
1747
1748     return 0;
1749 }
1750
1751 afs_int32
1752 SetupVL(void)
1753 {
1754     afs_int32 code;
1755
1756     if (AFSDIR_SERVER_NETRESTRICT_FILEPATH || AFSDIR_SERVER_NETINFO_FILEPATH) {
1757         /*
1758          * Find addresses we are supposed to register as per the netrestrict
1759          * and netinfo files (/usr/afs/local/NetInfo and
1760          * /usr/afs/local/NetRestict)
1761          */
1762         char reason[1024];
1763         afs_int32 code;
1764
1765         code = afsconf_ParseNetFiles(FS_HostAddrs, NULL, NULL,
1766                                      ADDRSPERSITE, reason,
1767                                      AFSDIR_SERVER_NETINFO_FILEPATH,
1768                                      AFSDIR_SERVER_NETRESTRICT_FILEPATH);
1769         if (code < 0) {
1770             ViceLog(0, ("Can't register any valid addresses: %s\n", reason));
1771             exit(1);
1772         }
1773         FS_HostAddr_cnt = (afs_uint32) code;
1774     } else
1775     {
1776         FS_HostAddr_cnt = rx_getAllAddr(FS_HostAddrs, ADDRSPERSITE);
1777     }
1778
1779     if (FS_HostAddr_cnt == 1 && rxBind == 1)
1780         code = FS_HostAddrs[0];
1781     else
1782         code = htonl(INADDR_ANY);
1783     return code;
1784 }
1785
1786 afs_int32
1787 InitVL(struct afsconf_dir *dir)
1788 {
1789     afs_int32 code;
1790
1791     /*
1792      * If this fails, it's because something major is wrong, and is not
1793      * likely to be time dependent.
1794      */
1795     code = vl_Initialize(dir);
1796     if (code != 0) {
1797         ViceLog(0,
1798                 ("Couldn't initialize volume location library; code=%d.\n", code));
1799         return code;
1800     }
1801
1802     /* Read or create the sysid file and register the fileserver's
1803      * IP addresses with the vlserver.
1804      */
1805     code = ReadSysIdFile();
1806     if (code) {
1807         /* Need to create the file */
1808         ViceLog(0, ("Creating new SysID file\n"));
1809         if ((code = afs_uuid_create(&FS_HostUUID))) {
1810             ViceLog(0, ("Failed to create new uuid: %d\n", code));
1811             exit(1);
1812         }
1813     }
1814     /* A good sysid file exists; inform the vlserver. If any conflicts,
1815      * we always use the latest interface available as the real truth.
1816      */
1817
1818     code = Do_VLRegisterRPC();
1819     return code;
1820 }
1821
1822 int
1823 main(int argc, char *argv[])
1824 {
1825     afs_int32 code;
1826     char tbuffer[32];
1827     struct rx_securityClass **securityClasses;
1828     afs_int32 numClasses;
1829     struct rx_service *tservice;
1830     pthread_t serverPid;
1831     pthread_attr_t tattr;
1832     struct hostent *he;
1833     int minVnodesRequired;      /* min size of vnode cache */
1834 #ifndef AFS_NT40_ENV
1835     struct rlimit rlim;         /* max number of open file descriptors */
1836 #endif
1837     int curLimit;
1838     time_t t;
1839     struct tm tm;
1840     afs_uint32 rx_bindhost;
1841     VolumePackageOptions opts;
1842
1843 #ifdef  AFS_AIX32_ENV
1844     struct sigaction nsa;
1845
1846     sigemptyset(&nsa.sa_mask);
1847     nsa.sa_handler = SIG_DFL;
1848     nsa.sa_flags = SA_FULLDUMP;
1849     sigaction(SIGABRT, &nsa, NULL);
1850     sigaction(SIGSEGV, &nsa, NULL);
1851 #endif
1852     osi_audit_init();
1853
1854     /* Initialize dirpaths */
1855     if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
1856 #ifdef AFS_NT40_ENV
1857         ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0);
1858 #endif
1859         fprintf(stderr, "%s: Unable to obtain AFS server directory.\n",
1860                 argv[0]);
1861         exit(2);
1862     }
1863     /* set ihandle package defaults prior to parsing args */
1864     ih_PkgDefaults();
1865
1866     /* check for the parameter file */
1867     CheckParms();
1868
1869     FS_configPath = strdup(AFSDIR_SERVER_ETC_DIRPATH);
1870     memset(&logopts, 0, sizeof(logopts));
1871
1872     if (ParseArgs(argc, argv)) {
1873         exit(-1);
1874     }
1875     opr_mutex_init(&fileproc_glock_mutex);
1876
1877 #ifdef AFS_SGI_VNODE_GLUE
1878     if (afs_init_kernel_config(-1) < 0) {
1879         printf
1880             ("Can't determine NUMA configuration, not starting fileserver.\n");
1881         exit(1);
1882     }
1883 #endif
1884
1885     confDir = afsconf_Open(FS_configPath);
1886     if (!confDir) {
1887         fprintf(stderr, "Unable to open config directory %s\n",
1888                 FS_configPath);
1889         exit(-1);
1890     }
1891
1892     /* initialize audit user check */
1893     osi_audit_set_user_check(confDir, fs_IsLocalRealmMatch);
1894
1895     OpenLog(&logopts);
1896
1897     LogCommandLine(argc, argv, "starting", "", "File server", FSLog);
1898     if (afsconf_GetLatestKey(confDir, NULL, NULL) == 0) {
1899         LogDesWarning();
1900     }
1901
1902     /* initialize the pthread soft signal handler thread */
1903     opr_softsig_Init();
1904     SetupLogSoftSignals();
1905     opr_softsig_Register(AFS_SIG_CHECK, CheckSignal_Signal);
1906 #ifndef AFS_NT40_ENV
1907     opr_softsig_Register(SIGTERM, CheckDescriptors_Signal);
1908 #endif
1909
1910 #if defined(AFS_SGI_ENV)
1911     /* give this guy a non-degrading priority so help busy servers */
1912     schedctl(NDPRI, 0, NDPNORMMAX);
1913     if (SawLock)
1914         plock(PROCLOCK);
1915 #elif !defined(AFS_NT40_ENV)
1916     if (nice(-5) < 0) {
1917         /* don't care */
1918     }
1919 #endif
1920     DInit(buffs);
1921 #ifdef AFS_DEMAND_ATTACH_FS
1922     FS_STATE_INIT;
1923 #endif
1924
1925 #ifdef AFS_NT40_ENV
1926     if (afs_winsockInit() < 0) {
1927         ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0, argv[0], 0);
1928         ViceLog(0, ("File server failed to intialize winsock.\n"));
1929         exit(1);
1930     }
1931 #endif
1932     CheckAdminName();
1933
1934     /* if we support more than 16 threads, then we better have the ability
1935      ** to keep open a large number of files simultaneously
1936      */
1937 #if     defined(AFS_AIX_ENV) && !defined(AFS_AIX42_ENV)
1938     curLimit = OPEN_MAX;        /* for pre AIX 4.2 systems */
1939 #elif defined(AFS_NT40_ENV)
1940     curLimit = NT_OPEN_MAX;     /* open file descriptor limit on NT */
1941 #else
1942
1943     curLimit = 0;               /* the number of open file descriptors */
1944     code = getrlimit(RLIMIT_NOFILE, &rlim);
1945     if (code == 0) {
1946         curLimit = rlim.rlim_cur;
1947         rlim.rlim_cur = rlim.rlim_max;
1948         code = setrlimit(RLIMIT_NOFILE, &rlim);
1949         if (code == 0)
1950             curLimit = rlim.rlim_max;
1951     }
1952     if (code != 0)
1953         ViceLog(0, ("Failed to increase open file limit, using default\n"));
1954
1955 #endif /* defined(AFS_AIX_ENV) && !defined(AFS_AIX42_ENV) */
1956
1957     curLimit -= 32;             /* leave a slack of 32 file descriptors */
1958     if (lwps > curLimit) {
1959         if (curLimit > 0)
1960             lwps = curLimit;
1961         else if (lwps > 16)
1962             lwps = 16;          /* default to a maximum of 16 threads */
1963
1964         /* tune the ihandle fd cache accordingly */
1965         if (vol_io_params.fd_max_cachesize < curLimit)
1966             vol_io_params.fd_max_cachesize = curLimit + 1;
1967
1968         ViceLog(0,
1969                 ("The system supports a max of %d open files and we are starting %d threads (ihandle fd cache is %d)\n",
1970                  curLimit, lwps, vol_io_params.fd_max_cachesize));
1971     }
1972
1973     /* Initialize volume support */
1974     if (!novbc) {
1975         V_BreakVolumeCallbacks = BreakVolumeCallBacksLater;
1976     }
1977
1978     SetLogThreadNumProgram( rx_GetThreadNum );
1979
1980     /* initialize libacl routines */
1981     acl_Initialize(ACL_VERSION);
1982
1983     /* initialize RX support */
1984 #if !defined(AFS_NT40_ENV) && !defined(AFS_DARWIN160_ENV)
1985     rxi_syscallp = viced_syscall;
1986 #endif
1987     rx_extraPackets = rxpackets;
1988     rx_extraQuota = 4;          /* for outgoing prserver calls from R threads */
1989     rx_SetBusyThreshold(busy_threshold, VBUSY);
1990     rx_SetCallAbortThreshold(abort_threshold);
1991     rx_SetConnAbortThreshold(abort_threshold);
1992 #ifdef AFS_XBSD_ENV
1993     stackSize = 128 * 1024;
1994 #else
1995     stackSize = lwps * 4000;
1996     if (stackSize < 32000)
1997         stackSize = 32000;
1998     else if (stackSize > 44000)
1999         stackSize = 44000;
2000 #endif
2001 #if defined(AFS_HPUX_ENV) || defined(AFS_SUN_ENV) || defined(AFS_SGI51_ENV) || defined(AFS_XBSD_ENV)
2002     rx_SetStackSize(1, stackSize);
2003 #endif
2004     if (udpBufSize)
2005         rx_SetUdpBufSize(udpBufSize);   /* set the UDP buffer size for receive */
2006     rx_bindhost = SetupVL();
2007
2008     if (rx_InitHost(rx_bindhost, (int)htons(7000)) < 0) {
2009         ViceLog(0, ("Cannot initialize RX\n"));
2010         exit(1);
2011     }
2012     if (!rxJumbograms) {
2013         /* Don't send and don't allow 3.4 clients to send jumbograms. */
2014         rx_SetNoJumbo();
2015     }
2016     if (rxMaxMTU != -1) {
2017         if (rx_SetMaxMTU(rxMaxMTU) != 0) {
2018             ViceLog(0, ("rxMaxMTU %d is invalid\n", rxMaxMTU));
2019             exit(1);
2020         }
2021     }
2022     rx_GetIFInfo();
2023     rx_SetRxDeadTime(30);
2024     afsconf_SetSecurityFlags(confDir, AFSCONF_SECOPTS_ALWAYSENCRYPT);
2025     afsconf_BuildServerSecurityObjects(confDir, &securityClasses, &numClasses);
2026
2027     tservice = rx_NewServiceHost(rx_bindhost,  /* port */ 0, /* service id */
2028                                  1,     /*service name */
2029                                  "AFS",
2030                                  securityClasses, numClasses,
2031                                  RXAFS_ExecuteRequest);
2032     if (!tservice) {
2033         ViceLog(0,
2034                 ("Failed to initialize RX, probably two servers running.\n"));
2035         exit(-1);
2036     }
2037     if (rxkadDisableDotCheck) {
2038         rx_SetSecurityConfiguration(tservice, RXS_CONFIG_FLAGS,
2039                                     (void *)RXS_CONFIG_FLAGS_DISABLE_DOTCHECK);
2040     }
2041     rx_SetMinProcs(tservice, 3);
2042     rx_SetMaxProcs(tservice, lwps);
2043     rx_SetCheckReach(tservice, 1);
2044
2045     tservice =
2046         rx_NewService(0, RX_STATS_SERVICE_ID, "rpcstats", securityClasses,
2047                       numClasses, RXSTATS_ExecuteRequest);
2048     if (!tservice) {
2049         ViceLog(0, ("Failed to initialize rpc stat service.\n"));
2050         exit(-1);
2051     }
2052     rx_SetMinProcs(tservice, 2);
2053     rx_SetMaxProcs(tservice, 4);
2054
2055     /* Some rx debugging */
2056     if (rxlog || eventlog) {
2057         debugFile = afs_fopen("rx_dbg", "w");
2058         if (rxlog)
2059             rx_debugFile = debugFile;
2060         if (eventlog)
2061             rxevent_debugFile = debugFile;
2062     }
2063
2064     init_sys_error_to_et();     /* Set up error table translation */
2065     h_InitHostPackage(host_thread_quota); /* set up local cellname and realmname */
2066     InitCallBack(numberofcbs);
2067     ClearXStatValues();
2068
2069     code = InitVL(confDir);
2070     if (code && code != VL_MULTIPADDR) {
2071         ViceLog(0, ("Fatal error in library initialization, exiting!!\n"));
2072         exit(1);
2073     }
2074
2075     code = InitPR();
2076     if (code && code != -1) {
2077         ViceLog(0, ("Fatal error in protection initialization, exiting!!\n"));
2078         exit(1);
2079     }
2080
2081     /* allow super users to manage RX statistics */
2082     rx_SetRxStatUserOk(viced_SuperUser);
2083
2084     opr_cv_init(&fsync_cond);
2085     opr_mutex_init(&fsync_glock_mutex);
2086
2087 #if !defined(AFS_DEMAND_ATTACH_FS)
2088     /*
2089      * For DAFS, we do not start the Rx server threads until after
2090      * the volume package is initialized, and fileserver state is
2091      * restored.  This is necessary in order to keep host and callback
2092      * package state pristine until we have a chance to restore state.
2093      *
2094      * Furthermore, startup latency is much lower with dafs, so this
2095      * shouldn't pose a serious problem.
2096      */
2097     rx_StartServer(0);          /* now start handling requests */
2098 #endif
2099
2100     /* we ensure that there is enough space in the vnode buffer to satisfy
2101      ** requests from all concurrent threads.
2102      ** the maximum number of vnodes used by a single thread at any one time
2103      ** is three ( "link" uses three vnodes simultaneously, one vLarge and
2104      ** two vSmall for linking files and two vLarge and one vSmall for linking
2105      ** files  ) : dhruba
2106      */
2107     minVnodesRequired = 2 * lwps + 1;
2108     if (minVnodesRequired > nSmallVns) {
2109         nSmallVns = minVnodesRequired;
2110         ViceLog(0,
2111                 ("Overriding -s command line parameter with %d\n",
2112                  nSmallVns));
2113     }
2114     if (minVnodesRequired > large) {
2115         large = minVnodesRequired;
2116         ViceLog(0, ("Overriding -l command line parameter with %d\n", large));
2117     }
2118
2119     /* We now do this after getting the listener up and running, so that client
2120      * connections don't timeout (maybe) if a file server is restarted, since it
2121      * will be available "real soon now".  Worry about whether we can satisfy the
2122      * calls in the volume package itself.
2123      */
2124     VOptDefaults(fileServer, &opts);
2125     opts.nLargeVnodes = large;
2126     opts.nSmallVnodes = nSmallVns;
2127     opts.volcache = volcache;
2128     opts.unsafe_attach = unsafe_attach;
2129     if (offline_timeout != -1) {
2130         opts.interrupt_rxcall = rx_InterruptCall;
2131         opts.offline_timeout = offline_timeout;
2132     }
2133     if (offline_shutdown_timeout == -1) {
2134         /* default to -offline-timeout, if shutdown-specific timeout is not
2135          * specified */
2136         opts.offline_shutdown_timeout = offline_timeout;
2137     } else {
2138         opts.interrupt_rxcall = rx_InterruptCall;
2139         opts.offline_shutdown_timeout = offline_shutdown_timeout;
2140     }
2141
2142     if (VInitVolumePackage2(fileServer, &opts)) {
2143         ViceLog(0,
2144                 ("Shutting down: errors encountered initializing volume package\n"));
2145         VShutdown();
2146         exit(1);
2147     }
2148
2149     /* Install handler to catch the shutdown signal;
2150      * bosserver assumes SIGQUIT shutdown
2151      */
2152     opr_softsig_Register(SIGQUIT, ShutDown_Signal);
2153
2154     if (VInitAttachVolumes(fileServer)) {
2155         ViceLog(0,
2156                 ("Shutting down: errors encountered initializing volume package\n"));
2157         VShutdown();
2158         exit(1);
2159     }
2160
2161 #ifdef AFS_DEMAND_ATTACH_FS
2162     if (fs_state.options.fs_state_restore) {
2163         /*
2164          * demand attach fs
2165          * restore fileserver state */
2166         fs_stateRestore();
2167     }
2168     rx_StartServer(0);  /* now start handling requests */
2169 #endif /* AFS_DEMAND_ATTACH_FS */
2170
2171     /*
2172      * We are done calling fopen/fdopen. It is safe to use a large
2173      * of the file descriptor cache.
2174      */
2175     ih_UseLargeCache();
2176
2177     ViceLog(5, ("Starting pthreads\n"));
2178     opr_Verify(pthread_attr_init(&tattr) == 0);
2179     opr_Verify(pthread_attr_setdetachstate(&tattr,
2180                                            PTHREAD_CREATE_DETACHED) == 0);
2181
2182     opr_Verify(pthread_create(&serverPid, &tattr, FiveMinuteCheckLWP,
2183                               &fiveminutes) == 0);
2184     opr_Verify(pthread_create(&serverPid, &tattr, HostCheckLWP,
2185                               &fiveminutes) == 0);
2186     opr_Verify(pthread_create(&serverPid, &tattr, FsyncCheckLWP,
2187                               &fiveminutes) == 0);
2188
2189     gettimeofday(&tp, 0);
2190
2191     /*
2192      * Figure out the FileServer's name and primary address.
2193      */
2194     ViceLog(0, ("Getting FileServer name...\n"));
2195     code = gethostname(FS_HostName, 64);
2196     if (code) {
2197         ViceLog(0, ("gethostname() failed\n"));
2198     }
2199     ViceLog(0, ("FileServer host name is '%s'\n", FS_HostName));
2200
2201     ViceLog(0, ("Getting FileServer address...\n"));
2202     he = gethostbyname(FS_HostName);
2203     if (!he) {
2204         ViceLog(0, ("Can't find address for FileServer '%s'\n", FS_HostName));
2205     } else {
2206         char hoststr[16];
2207         memcpy(&FS_HostAddr_NBO, he->h_addr, 4);
2208         (void)afs_inet_ntoa_r(FS_HostAddr_NBO, hoststr);
2209         FS_HostAddr_HBO = ntohl(FS_HostAddr_NBO);
2210         ViceLog(0,
2211                 ("FileServer %s has address %s (0x%x or 0x%x in host byte order)\n",
2212                  FS_HostName, hoststr, FS_HostAddr_NBO, FS_HostAddr_HBO));
2213     }
2214
2215     t = tp.tv_sec;
2216     strftime(tbuffer, sizeof(tbuffer), "%a %b %d %H:%M:%S %Y",
2217              localtime_r(&t, &tm));
2218     ViceLog(0, ("File Server started %s\n", tbuffer));
2219     afs_FullPerfStats.det.epoch.tv_sec = StartTime = tp.tv_sec;
2220     while (1) {
2221         sleep(1000);            /* long time */
2222     }
2223     AFS_UNREACHED(return(0));
2224 }