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>
15 #ifdef AFS_PTHREAD_ENV
16 # include <opr/lock.h>
17 # include <opr/softsig.h>
18 # include <afs/procmgmt_softsig.h> /* must come after softsig */
23 #include <WINNT/afsevent.h>
26 #include <rx/rx_queue.h>
27 #include <afs/afsint.h>
28 #include <afs/prs_fs.h>
32 #include <afs/afssyscalls.h>
33 #include <afs/ihandle.h>
35 #include <afs/ntops.h>
37 #include <afs/vnode.h>
38 #include <afs/volume.h>
39 #include <afs/partition.h>
41 #include <rx/rxstat.h>
42 #include <rx/rx_globals.h>
44 #include <afs/cellconfig.h>
48 #include <afs/audit.h>
49 #include <afs/afsutil.h>
55 #include "volser_internal.h"
57 #define VolserVersion "2.0"
58 #define N_SECURITY_OBJECTS 3
60 extern struct Lock localLock;
61 char *GlobalNameHack = NULL;
63 afs_int32 GlobalVolCloneId, GlobalVolParentId;
65 int VolumeChanged; /* XXXX */
66 static char busyFlags[MAXHELPERS];
67 struct volser_trans *QI_GlobalWriteTrans = 0;
68 struct afsconf_dir *tdir;
69 static afs_int32 runningCalls = 0;
74 int udpBufSize = 0; /* UDP buffer size for receive */
75 int restrictedQueryLevel = RESTRICTED_QUERY_ANYUSER;
78 int rxkadDisableDotCheck = 0;
79 int DoPreserveVolumeStats = 1;
80 int rxJumbograms = 0; /* default is to not send and receive jumbograms. */
82 char *auditFileName = NULL;
83 static struct logOptions logopts;
84 char *configDir = NULL;
86 enum vol_s2s_crypt doCrypt = VS2SC_NEVER;
88 #define ADDRSPERSITE 16 /* Same global is in rx/rx_user.c */
89 afs_uint32 SHostAddrs[ADDRSPERSITE];
91 #define VS_EXIT(code) { \
92 osi_audit(VS_ExitEvent, code, AUD_END); \
97 MyBeforeProc(struct rx_call *acall)
106 MyAfterProc(struct rx_call *acall, afs_int32 code)
114 /* Called every GCWAKEUP seconds to try to unlock all our partitions,
115 * if we're idle and there are no active transactions
120 /* if there are no running calls, and there are no active transactions, then
121 * it should be safe to release any partition locks we've accumulated */
123 if (runningCalls == 0 && TransList() == (struct volser_trans *)0) {
125 VPFullUnlock(); /* in volprocs.c */
130 /* background daemon for timing out transactions */
132 BKGLoop(void *unused)
137 afs_pthread_setname_self("vol bkg");
139 tv.tv_sec = GCWAKEUP;
141 #ifdef AFS_PTHREAD_ENV
143 Sleep(GCWAKEUP * 1000);
145 select(0, 0, 0, 0, &tv);
148 (void)IOMGR_Select(0, 0, 0, 0, &tv);
153 if (loop == 10) { /* reopen log every 5 minutes */
162 #if defined(AFS_NT40_ENV) || defined(AFS_DARWIN160_ENV)
163 /* no volser_syscall */
164 #elif defined(AFS_SUN511_ENV)
166 volser_syscall(afs_uint32 a3, afs_uint32 a4, void *a5)
169 code = ioctl_sun_afs_syscall(28 /* AFSCALL_CALL */, a3, a4, a5, 0, 0, 0,
178 volser_syscall(afs_uint32 a3, afs_uint32 a4, void *a5)
181 #ifndef AFS_LINUX20_ENV
184 old = signal(SIGSYS, SIG_IGN);
187 syscall(AFS_SYSCALL /* AFS_SYSCALL */ , 28 /* AFSCALL_CALL */ , a3,
189 #ifndef AFS_LINUX20_ENV
198 /* check whether caller is authorized to manage RX statistics */
200 vol_rxstat_userok(struct rx_call *call)
202 return afsconf_SuperUser(tdir, call, NULL);
206 * Return true if this name is a member of the local realm.
209 vol_IsLocalRealmMatch(void *rock, char *name, char *inst, char *cell)
211 struct afsconf_dir *dir = (struct afsconf_dir *)rock;
212 afs_int32 islocal = 0; /* default to no */
215 code = afsconf_IsLocalRealmMatch(dir, &islocal, name, inst, cell);
218 ("Failed local realm check; code=%d, name=%s, inst=%s, cell=%s\n",
219 code, name, inst, cell));
239 OPT_preserve_vol_stats,
247 OPT_restricted_query,
253 ParseArgs(int argc, char **argv) {
256 char *optstring = NULL;
257 struct cmd_syndesc *opts;
258 char *sleepSpec = NULL;
259 char *sync_behavior = NULL;
260 char *restricted_query_parameter = NULL;
261 char *s2s_crypt_behavior = NULL;
263 opts = cmd_CreateSyntax(NULL, NULL, NULL, 0, NULL);
264 cmd_AddParmAtOffset(opts, OPT_log, "-log", CMD_FLAG, CMD_OPTIONAL,
266 cmd_AddParmAtOffset(opts, OPT_rxbind, "-rxbind", CMD_FLAG, CMD_OPTIONAL,
267 "bind only to the primary interface");
268 cmd_AddParmAtOffset(opts, OPT_dotted, "-allow-dotted-principals", CMD_FLAG, CMD_OPTIONAL,
269 "permit Kerberos 5 principals with dots");
270 cmd_AddParmAtOffset(opts, OPT_debug, "-d", CMD_SINGLE, CMD_OPTIONAL,
272 cmd_AddParmAtOffset(opts, OPT_threads, "-p", CMD_SINGLE, CMD_OPTIONAL,
273 "number of threads");
274 cmd_AddParmAtOffset(opts, OPT_auditlog, "-auditlog", CMD_SINGLE,
275 CMD_OPTIONAL, "location of audit log");
276 cmd_AddParmAtOffset(opts, OPT_audit_interface, "-audit-interface",
277 CMD_SINGLE, CMD_OPTIONAL, "interface to use for audit logging");
278 cmd_AddParmAtOffset(opts, OPT_nojumbo, "-nojumbo", CMD_FLAG, CMD_OPTIONAL,
279 "disable jumbograms");
280 cmd_AddParmAtOffset(opts, OPT_jumbo, "-jumbo", CMD_FLAG, CMD_OPTIONAL,
281 "enable jumbograms");
282 cmd_AddParmAtOffset(opts, OPT_rxmaxmtu, "-rxmaxmtu", CMD_SINGLE,
283 CMD_OPTIONAL, "maximum MTU for RX");
284 cmd_AddParmAtOffset(opts, OPT_udpsize, "-udpsize", CMD_SINGLE,
285 CMD_OPTIONAL, "size of socket buffer in bytes");
286 cmd_AddParmAtOffset(opts, OPT_sleep, "-sleep", CMD_SINGLE,
287 CMD_OPTIONAL, "make background daemon sleep (LWP only)");
288 cmd_AddParmAtOffset(opts, OPT_peer, "-enable_peer_stats", CMD_FLAG,
289 CMD_OPTIONAL, "enable RX transport statistics");
290 cmd_AddParmAtOffset(opts, OPT_process, "-enable_process_stats", CMD_FLAG,
291 CMD_OPTIONAL, "enable RX RPC statistics");
292 /* -preserve-vol-stats on by default now. */
293 cmd_AddParmAtOffset(opts, OPT_preserve_vol_stats, "-preserve-vol-stats", CMD_FLAG,
294 CMD_OPTIONAL|CMD_HIDDEN,
295 "preserve volume statistics when restoring/recloning");
296 cmd_AddParmAtOffset(opts, OPT_clear_vol_stats, "-clear-vol-stats", CMD_FLAG,
297 CMD_OPTIONAL, "clear volume statistics when restoring/recloning");
299 cmd_AddParmAtOffset(opts, OPT_syslog, "-syslog", CMD_SINGLE_OR_FLAG,
300 CMD_OPTIONAL, "log to syslog");
302 cmd_AddParmAtOffset(opts, OPT_transarc_logs, "-transarc-logs", CMD_FLAG,
303 CMD_OPTIONAL, "enable Transarc style logging");
304 cmd_AddParmAtOffset(opts, OPT_sync, "-sync",
305 CMD_SINGLE, CMD_OPTIONAL, "always | onclose | never");
306 cmd_AddParmAtOffset(opts, OPT_logfile, "-logfile", CMD_SINGLE,
307 CMD_OPTIONAL, "location of log file");
308 cmd_AddParmAtOffset(opts, OPT_config, "-config", CMD_SINGLE,
309 CMD_OPTIONAL, "configuration location");
310 cmd_AddParmAtOffset(opts, OPT_restricted_query, "-restricted_query",
311 CMD_SINGLE, CMD_OPTIONAL, "anyuser | admin");
312 cmd_AddParmAtOffset(opts, OPT_s2s_crypt, "-s2scrypt",
313 CMD_SINGLE, CMD_OPTIONAL, "always | inherit | never");
315 code = cmd_Parse(argc, argv, &opts);
316 if (code == CMD_HELP) {
322 cmd_OptionAsFlag(opts, OPT_log, &DoLogging);
323 cmd_OptionAsFlag(opts, OPT_rxbind, &rxBind);
324 cmd_OptionAsFlag(opts, OPT_dotted, &rxkadDisableDotCheck);
325 if (cmd_OptionPresent(opts, OPT_clear_vol_stats))
326 DoPreserveVolumeStats = 0;
327 if (cmd_OptionPresent(opts, OPT_peer))
328 rx_enablePeerRPCStats();
329 if (cmd_OptionPresent(opts, OPT_process))
330 rx_enableProcessRPCStats();
331 if (cmd_OptionPresent(opts, OPT_nojumbo))
333 if (cmd_OptionPresent(opts, OPT_jumbo))
337 if (cmd_OptionPresent(opts, OPT_syslog)) {
338 if (cmd_OptionPresent(opts, OPT_logfile)) {
339 fprintf(stderr, "Invalid options: -syslog and -logfile are exclusive.\n");
342 if (cmd_OptionPresent(opts, OPT_transarc_logs)) {
343 fprintf(stderr, "Invalid options: -syslog and -transarc-logs are exclusive.\n");
346 logopts.lopt_dest = logDest_syslog;
347 logopts.lopt_facility = LOG_DAEMON;
348 logopts.lopt_tag = "volserver";
349 cmd_OptionAsInt(opts, OPT_syslog, &logopts.lopt_facility);
353 logopts.lopt_dest = logDest_file;
354 if (cmd_OptionPresent(opts, OPT_transarc_logs)) {
355 logopts.lopt_rotateOnOpen = 1;
356 logopts.lopt_rotateStyle = logRotate_old;
358 if (cmd_OptionPresent(opts, OPT_logfile))
359 cmd_OptionAsString(opts, OPT_logfile, (char**)&logopts.lopt_filename);
361 logopts.lopt_filename = AFSDIR_SERVER_VOLSERLOG_FILEPATH;
363 cmd_OptionAsInt(opts, OPT_debug, &logopts.lopt_logLevel);
365 cmd_OptionAsInt(opts, OPT_rxmaxmtu, &rxMaxMTU);
366 if (cmd_OptionAsInt(opts, OPT_udpsize, &optval) == 0) {
367 if (optval < rx_GetMinUdpBufSize()) {
368 printf("Warning:udpsize %d is less than minimum %d; ignoring\n",
369 optval, rx_GetMinUdpBufSize());
373 cmd_OptionAsString(opts, OPT_auditlog, &auditFileName);
375 if (cmd_OptionAsString(opts, OPT_audit_interface, &optstring) == 0) {
376 if (osi_audit_interface(optstring)) {
377 printf("Invalid audit interface '%s'\n", optstring);
383 if (cmd_OptionAsInt(opts, OPT_threads, &lwps) == 0) {
385 printf("Warning: '-p %d' is too big; using %d instead\n", lwps, MAXLWP);
389 if (cmd_OptionAsString(opts, OPT_sleep, &sleepSpec) == 0) {
390 printf("Warning: -sleep option ignored; this option is obsolete\n");
392 if (cmd_OptionAsString(opts, OPT_sync, &sync_behavior) == 0) {
393 if (ih_SetSyncBehavior(sync_behavior)) {
394 printf("Invalid -sync value %s\n", sync_behavior);
398 cmd_OptionAsString(opts, OPT_config, &configDir);
399 if (cmd_OptionAsString(opts, OPT_restricted_query,
400 &restricted_query_parameter) == 0) {
401 if (strcmp(restricted_query_parameter, "anyuser") == 0)
402 restrictedQueryLevel = RESTRICTED_QUERY_ANYUSER;
403 else if (strcmp(restricted_query_parameter, "admin") == 0)
404 restrictedQueryLevel = RESTRICTED_QUERY_ADMIN;
406 printf("invalid argument for -restricted_query: %s\n",
407 restricted_query_parameter);
410 free(restricted_query_parameter);
412 if (cmd_OptionAsString(opts, OPT_s2s_crypt, &s2s_crypt_behavior) == 0) {
413 if (strcmp(s2s_crypt_behavior, "always") == 0)
414 doCrypt = VS2SC_ALWAYS;
415 else if (strcmp(s2s_crypt_behavior, "never") == 0)
416 doCrypt = VS2SC_NEVER;
417 else if (strcmp(s2s_crypt_behavior, "inherit") == 0)
418 doCrypt = VS2SC_INHERIT;
420 printf("invalid argument for -s2scrypt: %s\n", s2s_crypt_behavior);
423 free(s2s_crypt_behavior);
429 #include "AFS_component_version_number.c"
431 main(int argc, char **argv)
434 struct rx_securityClass **securityClasses;
435 afs_int32 numClasses;
436 struct rx_service *service;
438 afs_uint32 host = ntohl(INADDR_ANY);
439 VolumePackageOptions opts;
443 * The following signal action for AIX is necessary so that in case of a
444 * crash (i.e. core is generated) we can include the user's data section
445 * in the core dump. Unfortunately, by default, only a partial core is
446 * generated which, in many cases, isn't too useful.
448 struct sigaction nsa;
450 sigemptyset(&nsa.sa_mask);
451 nsa.sa_handler = SIG_DFL;
452 nsa.sa_flags = SA_FULLDUMP;
453 sigaction(SIGABRT, &nsa, NULL);
454 sigaction(SIGSEGV, &nsa, NULL);
457 osi_audit(VS_StartEvent, 0, AUD_END);
459 /* Initialize dirpaths */
460 if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
462 ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0);
464 fprintf(stderr, "%s: Unable to obtain AFS server directory.\n",
469 configDir = strdup(AFSDIR_SERVER_ETC_DIRPATH);
471 if (ParseArgs(argc, argv)) {
476 osi_audit_file(auditFileName);
477 osi_audit(VS_StartEvent, 0, AUD_END);
479 #ifdef AFS_SGI_VNODE_GLUE
480 if (afs_init_kernel_config(-1) < 0) {
482 ("Can't determine NUMA configuration, not starting volserver.\n");
488 #ifdef AFS_PTHREAD_ENV
489 SetLogThreadNumProgram( rx_GetThreadNum );
493 if (afs_winsockInit() < 0) {
494 ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0, argv[0], 0);
495 printf("Volume server unable to start winsock, exiting.\n");
502 VOptDefaults(volumeServer, &opts);
503 if (VInitVolumePackage2(volumeServer, &opts)) {
504 Log("Shutting down: errors encountered initializing volume package\n");
508 Lock_Init(&localLock);
510 #ifndef AFS_PTHREAD_ENV
511 vol_PollProc = IOMGR_Poll; /* tell vol pkg to poll io system periodically */
513 #if !defined( AFS_NT40_ENV ) && !defined(AFS_DARWIN160_ENV)
514 rxi_syscallp = volser_syscall;
516 rx_nPackets = rxpackets; /* set the max number of packets */
518 rx_SetUdpBufSize(udpBufSize); /* set the UDP buffer size for receive */
521 if (AFSDIR_SERVER_NETRESTRICT_FILEPATH ||
522 AFSDIR_SERVER_NETINFO_FILEPATH) {
524 ccode = afsconf_ParseNetFiles(SHostAddrs, NULL, NULL,
525 ADDRSPERSITE, reason,
526 AFSDIR_SERVER_NETINFO_FILEPATH,
527 AFSDIR_SERVER_NETRESTRICT_FILEPATH);
530 ccode = rx_getAllAddr(SHostAddrs, ADDRSPERSITE);
533 host = SHostAddrs[0];
536 code = rx_InitHost(host, (int)htons(AFSCONF_VOLUMEPORT));
538 fprintf(stderr, "rx init failed on socket AFSCONF_VOLUMEPORT %u\n",
543 /* Don't allow 3.4 vos clients to send jumbograms and we don't send. */
546 if (rxMaxMTU != -1) {
547 if (rx_SetMaxMTU(rxMaxMTU) != 0) {
548 fprintf(stderr, "rxMaxMTU %d is invalid\n", rxMaxMTU);
553 rx_SetRxDeadTime(420);
554 memset(busyFlags, 0, sizeof(busyFlags));
556 #ifdef AFS_PTHREAD_ENV
558 SetupLogSoftSignals();
564 #ifdef AFS_PTHREAD_ENV
566 pthread_attr_t tattr;
567 opr_Verify(pthread_attr_init(&tattr) == 0);
568 opr_Verify(pthread_attr_setdetachstate(&tattr,
569 PTHREAD_CREATE_DETACHED) == 0);
570 opr_Verify(pthread_create(&tid, &tattr, BKGLoop, NULL) == 0);
573 LWP_CreateProcess(BKGLoop, 16*1024, 3, 0, "vol bkg daemon", &pid);
577 /* 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 */
579 tdir = afsconf_Open(configDir);
581 Abort("volser: could not open conf files in %s\n",
586 /* initialize audit user check */
587 osi_audit_set_user_check(tdir, vol_IsLocalRealmMatch);
589 afsconf_BuildServerSecurityObjects(tdir, &securityClasses, &numClasses);
590 if (securityClasses[0] == NULL)
591 Abort("rxnull_NewServerSecurityObject");
593 rx_NewServiceHost(host, 0, VOLSERVICE_ID, "VOLSER", securityClasses,
594 numClasses, AFSVolExecuteRequest);
595 if (service == (struct rx_service *)0)
596 Abort("rx_NewService");
597 rx_SetBeforeProc(service, MyBeforeProc);
598 rx_SetAfterProc(service, MyAfterProc);
599 rx_SetIdleDeadTime(service, 0); /* never timeout */
602 rx_SetMaxProcs(service, lwps);
603 #if defined(AFS_XBSD_ENV)
604 rx_SetStackSize(service, (128 * 1024));
605 #elif defined(AFS_SGI_ENV)
606 rx_SetStackSize(service, (48 * 1024));
608 rx_SetStackSize(service, (32 * 1024));
611 if (rxkadDisableDotCheck) {
612 rx_SetSecurityConfiguration(service, RXS_CONFIG_FLAGS,
613 (void *)RXS_CONFIG_FLAGS_DISABLE_DOTCHECK);
617 rx_NewService(0, RX_STATS_SERVICE_ID, "rpcstats", securityClasses,
618 numClasses, RXSTATS_ExecuteRequest);
619 if (service == (struct rx_service *)0)
620 Abort("rx_NewService");
621 rx_SetMinProcs(service, 2);
622 rx_SetMaxProcs(service, 4);
624 LogCommandLine(argc, argv, "Volserver", VolserVersion, "Starting AFS",
626 if (afsconf_GetLatestKey(tdir, NULL, NULL) == 0) {
630 /* allow super users to manage RX statistics */
631 rx_SetRxStatUserOk(vol_rxstat_userok);
633 rx_StartServer(1); /* Donate this process to the server process pool */
635 osi_audit(VS_FinishEvent, (-1), AUD_END);
636 Abort("StartServer returned?");
637 return 0; /* not reached */