2 * Copyright 2000, International Business Machines Corporation and others.
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
10 #include <afsconfig.h>
11 #include <afs/param.h>
16 #include <sys/types.h>
22 #include <WINNT/afsevent.h>
26 #include <netinet/in.h>
29 #include <afs/afsint.h>
32 #ifdef AFS_PTHREAD_ENV
34 #else /* AFS_PTHREAD_ENV */
35 #include <afs/assert.h>
36 #endif /* AFS_PTHREAD_ENV */
37 #include <afs/prs_fs.h>
41 #include <afs/afssyscalls.h>
42 #include <afs/ihandle.h>
44 #include <afs/ntops.h>
46 #include <afs/vnode.h>
47 #include <afs/volume.h>
48 #include <afs/partition.h>
50 #include <rx/rx_globals.h>
52 #include <afs/cellconfig.h>
60 #include <afs/audit.h>
61 #include <afs/afsutil.h>
63 /*@printflike@*/ extern void Log(const char *format, ...);
64 /*@printflike@*/ extern void Abort(const char *format, ...);
66 #define VolserVersion "2.0"
67 #define N_SECURITY_OBJECTS 3
69 extern struct Lock localLock;
70 extern struct volser_trans *TransList();
71 #ifndef AFS_PTHREAD_ENV
72 extern int (*vol_PollProc) ();
73 extern int IOMGR_Poll();
75 char *GlobalNameHack = NULL;
77 afs_int32 GlobalVolCloneId, GlobalVolParentId;
79 int VolumeChanged; /* XXXX */
80 static char busyFlags[MAXHELPERS];
81 struct volser_trans *QI_GlobalWriteTrans = 0;
82 extern void AFSVolExecuteRequest();
83 extern void RXSTATS_ExecuteRequest();
84 struct afsconf_dir *tdir;
85 static afs_int32 runningCalls = 0;
90 int udpBufSize = 0; /* UDP buffer size for receive */
93 int rxkadDisableDotCheck = 0;
95 #define ADDRSPERSITE 16 /* Same global is in rx/rx_user.c */
96 afs_uint32 SHostAddrs[ADDRSPERSITE];
98 #define VS_EXIT(code) { \
99 osi_audit(VS_ExitEvent, code, AUD_END); \
103 #if defined(AFS_PTHREAD_ENV)
107 return pthread_getspecific(rx_thread_id_key);
112 MyBeforeProc(struct rx_call *acall)
121 MyAfterProc(struct rx_call *acall, afs_int32 code)
129 /* Called every GCWAKEUP seconds to try to unlock all our partitions,
130 * if we're idle and there are no active transactions
135 /* if there are no running calls, and there are no active transactions, then
136 * it should be safe to release any partition locks we've accumulated */
138 if (runningCalls == 0 && TransList() == (struct volser_trans *)0) {
140 VPFullUnlock(); /* in volprocs.c */
145 /* background daemon for timing out transactions */
147 BKGLoop(void *unused)
153 tv.tv_sec = GCWAKEUP;
155 #ifdef AFS_PTHREAD_ENV
156 select(0, 0, 0, 0, &tv);
158 (void)IOMGR_Select(0, 0, 0, 0, &tv);
163 if (loop == 10) { /* reopen log every 5 minutes */
165 ReOpenLog(AFSDIR_SERVER_VOLSERLOG_FILEPATH);
172 /* Background daemon for sleeping so the volserver does not become I/O bound */
173 afs_int32 TTsleep, TTrun;
175 BKGSleep(void *unused)
177 struct volser_trans *tt;
181 #ifdef AFS_PTHREAD_ENV
183 #else /* AFS_PTHREAD_ENV */
187 for (tt = TransList(); tt; tt = tt->next) {
188 if ((strcmp(tt->lastProcName, "DeleteVolume") == 0)
189 || (strcmp(tt->lastProcName, "Clone") == 0)
190 || (strcmp(tt->lastProcName, "ReClone") == 0)
191 || (strcmp(tt->lastProcName, "Forward") == 0)
192 || (strcmp(tt->lastProcName, "Restore") == 0)
193 || (strcmp(tt->lastProcName, "ForwardMulti") == 0))
208 volser_syscall(afs_uint32 a3, afs_uint32 a4, void *a5)
213 #ifndef AFS_LINUX20_ENV
214 old = signal(SIGSYS, SIG_IGN);
217 syscall(AFS_SYSCALL /* AFS_SYSCALL */ , 28 /* AFSCALL_CALL */ , a3,
219 #ifndef AFS_LINUX20_ENV
228 /* check whether caller is authorized to manage RX statistics */
230 vol_rxstat_userok(struct rx_call *call)
232 return afsconf_SuperUser(tdir, call, NULL);
235 #include "AFS_component_version_number.c"
237 main(int argc, char **argv)
239 register afs_int32 code;
240 struct rx_securityClass *(securityObjects[3]);
241 struct rx_service *service;
242 struct ktc_encryptionKey tkey;
244 char commandLine[150];
246 int rxJumbograms = 0; /* default is to send and receive jumbograms. */
248 int bufSize = 0; /* temp variable to read in udp socket buf size */
249 afs_uint32 host = ntohl(INADDR_ANY);
253 * The following signal action for AIX is necessary so that in case of a
254 * crash (i.e. core is generated) we can include the user's data section
255 * in the core dump. Unfortunately, by default, only a partial core is
256 * generated which, in many cases, isn't too useful.
258 struct sigaction nsa;
260 sigemptyset(&nsa.sa_mask);
261 nsa.sa_handler = SIG_DFL;
262 nsa.sa_flags = SA_FULLDUMP;
263 sigaction(SIGABRT, &nsa, NULL);
264 sigaction(SIGSEGV, &nsa, NULL);
267 osi_audit(VS_StartEvent, 0, AUD_END);
269 /* Initialize dirpaths */
270 if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
272 ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0);
274 fprintf(stderr, "%s: Unable to obtain AFS server directory.\n",
279 for (commandLine[0] = '\0', i = 0; i < argc; i++) {
281 strcat(commandLine, " ");
282 strcat(commandLine, argv[i]);
288 for (code = 1; code < argc; code++) {
289 if (strcmp(argv[code], "-log") == 0) {
290 /* set extra logging flag */
292 } else if (strcmp(argv[code], "-help") == 0) {
294 } else if (strcmp(argv[code], "-rxbind") == 0) {
296 } else if (strcmp(argv[code], "-allow-dotted-principals") == 0) {
297 rxkadDisableDotCheck = 1;
298 } else if (strcmp(argv[code], "-d") == 0) {
299 if ((code + 1) >= argc) {
300 fprintf(stderr, "missing argument for -d\n");
303 debuglevel = atoi(argv[++code]);
304 LogLevel = debuglevel;
305 } else if (strcmp(argv[code], "-p") == 0) {
306 lwps = atoi(argv[++code]);
308 printf("Warning: '-p %d' is too big; using %d instead\n",
312 } else if (strcmp(argv[code], "-auditlog") == 0) {
315 char oldName[MAXPATHLEN];
316 char *fileName = argv[++code];
321 if ((lstat(fileName, &statbuf) == 0)
322 && (S_ISFIFO(statbuf.st_mode))) {
323 flags = O_WRONLY | O_NONBLOCK;
327 strcpy(oldName, fileName);
328 strcat(oldName, ".old");
329 renamefile(fileName, oldName);
330 flags = O_WRONLY | O_TRUNC | O_CREAT;
332 tempfd = open(fileName, flags, 0666);
334 auditout = fdopen(tempfd, "a");
336 osi_audit_file(auditout);
337 osi_audit(VS_StartEvent, 0, AUD_END);
339 printf("Warning: auditlog %s not writable, ignored.\n", fileName);
341 printf("Warning: auditlog %s not writable, ignored.\n", fileName);
342 } else if (strcmp(argv[code], "-nojumbo") == 0) {
344 } else if (strcmp(argv[code], "-jumbo") == 0) {
346 } else if (!strcmp(argv[code], "-rxmaxmtu")) {
347 if ((code + 1) >= argc) {
348 fprintf(stderr, "missing argument for -rxmaxmtu\n");
351 rxMaxMTU = atoi(argv[++code]);
352 if ((rxMaxMTU < RX_MIN_PACKET_SIZE) ||
353 (rxMaxMTU > RX_MAX_PACKET_DATA_SIZE)) {
354 printf("rxMaxMTU %d% invalid; must be between %d-%d\n",
355 rxMaxMTU, RX_MIN_PACKET_SIZE,
356 RX_MAX_PACKET_DATA_SIZE);
359 } else if (strcmp(argv[code], "-sleep") == 0) {
360 sscanf(argv[++code], "%d/%d", &TTsleep, &TTrun);
361 if ((TTsleep < 0) || (TTrun <= 0)) {
362 printf("Warning: '-sleep %d/%d' is incorrect; ignoring\n",
366 } else if (strcmp(argv[code], "-udpsize") == 0) {
367 if ((code + 1) >= argc) {
368 printf("You have to specify -udpsize <integer value>\n");
371 sscanf(argv[++code], "%d", &bufSize);
372 if (bufSize < rx_GetMinUdpBufSize())
374 ("Warning:udpsize %d is less than minimum %d; ignoring\n",
375 bufSize, rx_GetMinUdpBufSize());
377 udpBufSize = bufSize;
378 } else if (strcmp(argv[code], "-enable_peer_stats") == 0) {
379 rx_enablePeerRPCStats();
380 } else if (strcmp(argv[code], "-enable_process_stats") == 0) {
381 rx_enableProcessRPCStats();
384 else if (strcmp(argv[code], "-syslog") == 0) {
385 /* set syslog logging flag */
387 } else if (strncmp(argv[code], "-syslog=", 8) == 0) {
389 serverLogSyslogFacility = atoi(argv[code] + 8);
393 printf("volserver: unrecognized flag '%s'\n", argv[code]);
396 printf("Usage: volserver [-log] [-p <number of processes>] "
397 "[-auditlog <log path>] [-d <debug level>] "
398 "[-nojumbo] [-jumbo] [-rxmaxmtu <bytes>] [-rxbind] [-allow-dotted-principals] "
399 "[-udpsize <size of socket buffer in bytes>] "
400 "[-syslog[=FACILITY]] "
401 "[-enable_peer_stats] [-enable_process_stats] "
404 printf("Usage: volserver [-log] [-p <number of processes>] "
405 "[-auditlog <log path>] [-d <debug level>] "
406 "[-nojumbo] [-jumbo] [-rxmaxmtu <bytes>] [-rxbind] [-allow-dotted-principals] "
407 "[-udpsize <size of socket buffer in bytes>] "
408 "[-enable_peer_stats] [-enable_process_stats] "
414 #ifdef AFS_SGI_VNODE_GLUE
415 if (afs_init_kernel_config(-1) < 0) {
417 ("Can't determine NUMA configuration, not starting volserver.\n");
423 #ifdef AFS_PTHREAD_ENV
424 SetLogThreadNumProgram( threadNum );
428 if (afs_winsockInit() < 0) {
429 ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0, argv[0], 0);
430 printf("Volume server unable to start winsock, exiting.\n");
434 /* Open VolserLog and map stdout, stderr into it; VInitVolumePackage can
435 log, so we need to do this here */
436 OpenLog(AFSDIR_SERVER_VOLSERLOG_FILEPATH);
438 VInitVolumePackage(volumeUtility, 0, 0, CONNECT_FS, 0);
440 Lock_Init(&localLock);
442 #ifndef AFS_PTHREAD_ENV
443 vol_PollProc = IOMGR_Poll; /* tell vol pkg to poll io system periodically */
446 rxi_syscallp = volser_syscall;
448 rx_nPackets = rxpackets; /* set the max number of packets */
450 rx_SetUdpBufSize(udpBufSize); /* set the UDP buffer size for receive */
454 if (AFSDIR_SERVER_NETRESTRICT_FILEPATH ||
455 AFSDIR_SERVER_NETINFO_FILEPATH) {
457 ccode = parseNetFiles(SHostAddrs, NULL, NULL,
458 ADDRSPERSITE, reason,
459 AFSDIR_SERVER_NETINFO_FILEPATH,
460 AFSDIR_SERVER_NETRESTRICT_FILEPATH);
464 ccode = rx_getAllAddr(SHostAddrs, ADDRSPERSITE);
467 host = SHostAddrs[0];
470 code = rx_InitHost(host, (int)htons(AFSCONF_VOLUMEPORT));
472 fprintf(stderr, "rx init failed on socket AFSCONF_VOLUMEPORT %u\n",
477 /* Don't allow 3.4 vos clients to send jumbograms and we don't send. */
480 if (rxMaxMTU != -1) {
481 rx_SetMaxMTU(rxMaxMTU);
484 rx_SetRxDeadTime(420);
485 memset(busyFlags, 0, sizeof(busyFlags));
490 #ifdef AFS_PTHREAD_ENV
492 pthread_attr_t tattr;
493 assert(pthread_attr_init(&tattr) == 0);
494 assert(pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED) == 0);
496 assert(pthread_create(&tid, &tattr, (void *)BKGLoop, NULL) == 0);
499 LWP_CreateProcess(BKGLoop, 16*1024, 3, 0, "vol bkg daemon", &pid);
500 LWP_CreateProcess(BKGSleep,16*1024, 3, 0, "vol slp daemon", &pid);
504 /* 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 */
506 tdir = afsconf_Open(AFSDIR_SERVER_ETC_DIRPATH);
508 Abort("volser: could not open conf files in %s\n",
509 AFSDIR_SERVER_ETC_DIRPATH);
512 afsconf_GetKey(tdir, 999, &tkey);
513 securityObjects[0] = rxnull_NewServerSecurityObject();
514 securityObjects[1] = (struct rx_securityClass *)0; /* don't bother with rxvab */
516 rxkad_NewServerSecurityObject(0, tdir, afsconf_GetKey, NULL);
517 if (securityObjects[0] == (struct rx_securityClass *)0)
518 Abort("rxnull_NewServerSecurityObject");
520 rx_NewServiceHost(host, 0, VOLSERVICE_ID, "VOLSER", securityObjects, 3,
521 AFSVolExecuteRequest);
522 if (service == (struct rx_service *)0)
523 Abort("rx_NewService");
524 rx_SetBeforeProc(service, MyBeforeProc);
525 rx_SetAfterProc(service, MyAfterProc);
526 rx_SetIdleDeadTime(service, 0); /* never timeout */
529 rx_SetMaxProcs(service, lwps);
530 #if defined(AFS_XBSD_ENV)
531 rx_SetStackSize(service, (128 * 1024));
532 #elif defined(AFS_SGI_ENV)
533 rx_SetStackSize(service, (48 * 1024));
535 rx_SetStackSize(service, (32 * 1024));
538 if (rxkadDisableDotCheck) {
539 rx_SetSecurityConfiguration(service, RXS_CONFIG_FLAGS,
540 (void *)RXS_CONFIG_FLAGS_DISABLE_DOTCHECK,
545 rx_NewService(0, RX_STATS_SERVICE_ID, "rpcstats", securityObjects, 3,
546 RXSTATS_ExecuteRequest);
547 if (service == (struct rx_service *)0)
548 Abort("rx_NewService");
549 rx_SetMinProcs(service, 2);
550 rx_SetMaxProcs(service, 4);
552 Log("Starting AFS Volserver %s (%s)\n", VolserVersion, commandLine);
554 Log("Will sleep %d second%s every %d second%s\n", TTsleep,
555 (TTsleep > 1) ? "s" : "", TTrun + TTsleep,
556 (TTrun + TTsleep > 1) ? "s" : "");
559 /* allow super users to manage RX statistics */
560 rx_SetRxStatUserOk(vol_rxstat_userok);
562 rx_StartServer(1); /* Donate this process to the server process pool */
564 osi_audit(VS_FinishEvent, (-1), AUD_END);
565 Abort("StartServer returned?");
566 return 0; /* not reached */