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 = 0;
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,
246 OPT_restricted_query,
252 ParseArgs(int argc, char **argv) {
255 char *optstring = NULL;
256 struct cmd_syndesc *opts;
257 char *sleepSpec = NULL;
258 char *sync_behavior = NULL;
259 char *restricted_query_parameter = NULL;
260 char *s2s_crypt_behavior = NULL;
262 opts = cmd_CreateSyntax(NULL, NULL, NULL, 0, NULL);
263 cmd_AddParmAtOffset(opts, OPT_log, "-log", CMD_FLAG, CMD_OPTIONAL,
265 cmd_AddParmAtOffset(opts, OPT_rxbind, "-rxbind", CMD_FLAG, CMD_OPTIONAL,
266 "bind only to the primary interface");
267 cmd_AddParmAtOffset(opts, OPT_dotted, "-allow-dotted-principals", CMD_FLAG, CMD_OPTIONAL,
268 "permit Kerberos 5 principals with dots");
269 cmd_AddParmAtOffset(opts, OPT_debug, "-d", CMD_SINGLE, CMD_OPTIONAL,
271 cmd_AddParmAtOffset(opts, OPT_threads, "-p", CMD_SINGLE, CMD_OPTIONAL,
272 "number of threads");
273 cmd_AddParmAtOffset(opts, OPT_auditlog, "-auditlog", CMD_SINGLE,
274 CMD_OPTIONAL, "location of audit log");
275 cmd_AddParmAtOffset(opts, OPT_audit_interface, "-audit-interface",
276 CMD_SINGLE, CMD_OPTIONAL, "interface to use for audit logging");
277 cmd_AddParmAtOffset(opts, OPT_nojumbo, "-nojumbo", CMD_FLAG, CMD_OPTIONAL,
278 "disable jumbograms");
279 cmd_AddParmAtOffset(opts, OPT_jumbo, "-jumbo", CMD_FLAG, CMD_OPTIONAL,
280 "enable jumbograms");
281 cmd_AddParmAtOffset(opts, OPT_rxmaxmtu, "-rxmaxmtu", CMD_SINGLE,
282 CMD_OPTIONAL, "maximum MTU for RX");
283 cmd_AddParmAtOffset(opts, OPT_udpsize, "-udpsize", CMD_SINGLE,
284 CMD_OPTIONAL, "size of socket buffer in bytes");
285 cmd_AddParmAtOffset(opts, OPT_sleep, "-sleep", CMD_SINGLE,
286 CMD_OPTIONAL, "make background daemon sleep (LWP only)");
287 cmd_AddParmAtOffset(opts, OPT_peer, "-enable_peer_stats", CMD_FLAG,
288 CMD_OPTIONAL, "enable RX transport statistics");
289 cmd_AddParmAtOffset(opts, OPT_process, "-enable_process_stats", CMD_FLAG,
290 CMD_OPTIONAL, "enable RX RPC statistics");
291 cmd_AddParmAtOffset(opts, OPT_preserve_vol_stats, "-preserve-vol-stats", CMD_FLAG,
292 CMD_OPTIONAL, "preserve volume statistics");
294 cmd_AddParmAtOffset(opts, OPT_syslog, "-syslog", CMD_SINGLE_OR_FLAG,
295 CMD_OPTIONAL, "log to syslog");
297 cmd_AddParmAtOffset(opts, OPT_transarc_logs, "-transarc-logs", CMD_FLAG,
298 CMD_OPTIONAL, "enable Transarc style logging");
299 cmd_AddParmAtOffset(opts, OPT_sync, "-sync",
300 CMD_SINGLE, CMD_OPTIONAL, "always | onclose | never");
301 cmd_AddParmAtOffset(opts, OPT_logfile, "-logfile", CMD_SINGLE,
302 CMD_OPTIONAL, "location of log file");
303 cmd_AddParmAtOffset(opts, OPT_config, "-config", CMD_SINGLE,
304 CMD_OPTIONAL, "configuration location");
305 cmd_AddParmAtOffset(opts, OPT_restricted_query, "-restricted_query",
306 CMD_SINGLE, CMD_OPTIONAL, "anyuser | admin");
307 cmd_AddParmAtOffset(opts, OPT_s2s_crypt, "-s2scrypt",
308 CMD_SINGLE, CMD_OPTIONAL, "always | inherit | never");
310 code = cmd_Parse(argc, argv, &opts);
311 if (code == CMD_HELP) {
317 cmd_OptionAsFlag(opts, OPT_log, &DoLogging);
318 cmd_OptionAsFlag(opts, OPT_rxbind, &rxBind);
319 cmd_OptionAsFlag(opts, OPT_dotted, &rxkadDisableDotCheck);
320 cmd_OptionAsFlag(opts, OPT_preserve_vol_stats, &DoPreserveVolumeStats);
321 if (cmd_OptionPresent(opts, OPT_peer))
322 rx_enablePeerRPCStats();
323 if (cmd_OptionPresent(opts, OPT_process))
324 rx_enableProcessRPCStats();
325 if (cmd_OptionPresent(opts, OPT_nojumbo))
327 if (cmd_OptionPresent(opts, OPT_jumbo))
331 if (cmd_OptionPresent(opts, OPT_syslog)) {
332 if (cmd_OptionPresent(opts, OPT_logfile)) {
333 fprintf(stderr, "Invalid options: -syslog and -logfile are exclusive.\n");
336 if (cmd_OptionPresent(opts, OPT_transarc_logs)) {
337 fprintf(stderr, "Invalid options: -syslog and -transarc-logs are exclusive.\n");
340 logopts.lopt_dest = logDest_syslog;
341 logopts.lopt_facility = LOG_DAEMON;
342 logopts.lopt_tag = "volserver";
343 cmd_OptionAsInt(opts, OPT_syslog, &logopts.lopt_facility);
347 logopts.lopt_dest = logDest_file;
348 if (cmd_OptionPresent(opts, OPT_transarc_logs)) {
349 logopts.lopt_rotateOnOpen = 1;
350 logopts.lopt_rotateStyle = logRotate_old;
352 if (cmd_OptionPresent(opts, OPT_logfile))
353 cmd_OptionAsString(opts, OPT_logfile, (char**)&logopts.lopt_filename);
355 logopts.lopt_filename = AFSDIR_SERVER_VOLSERLOG_FILEPATH;
357 cmd_OptionAsInt(opts, OPT_debug, &logopts.lopt_logLevel);
359 cmd_OptionAsInt(opts, OPT_rxmaxmtu, &rxMaxMTU);
360 if (cmd_OptionAsInt(opts, OPT_udpsize, &optval) == 0) {
361 if (optval < rx_GetMinUdpBufSize()) {
362 printf("Warning:udpsize %d is less than minimum %d; ignoring\n",
363 optval, rx_GetMinUdpBufSize());
367 cmd_OptionAsString(opts, OPT_auditlog, &auditFileName);
369 if (cmd_OptionAsString(opts, OPT_audit_interface, &optstring) == 0) {
370 if (osi_audit_interface(optstring)) {
371 printf("Invalid audit interface '%s'\n", optstring);
377 if (cmd_OptionAsInt(opts, OPT_threads, &lwps) == 0) {
379 printf("Warning: '-p %d' is too big; using %d instead\n", lwps, MAXLWP);
383 if (cmd_OptionAsString(opts, OPT_sleep, &sleepSpec) == 0) {
384 printf("Warning: -sleep option ignored; this option is obsolete\n");
386 if (cmd_OptionAsString(opts, OPT_sync, &sync_behavior) == 0) {
387 if (ih_SetSyncBehavior(sync_behavior)) {
388 printf("Invalid -sync value %s\n", sync_behavior);
392 cmd_OptionAsString(opts, OPT_config, &configDir);
393 if (cmd_OptionAsString(opts, OPT_restricted_query,
394 &restricted_query_parameter) == 0) {
395 if (strcmp(restricted_query_parameter, "anyuser") == 0)
396 restrictedQueryLevel = RESTRICTED_QUERY_ANYUSER;
397 else if (strcmp(restricted_query_parameter, "admin") == 0)
398 restrictedQueryLevel = RESTRICTED_QUERY_ADMIN;
400 printf("invalid argument for -restricted_query: %s\n",
401 restricted_query_parameter);
404 free(restricted_query_parameter);
406 if (cmd_OptionAsString(opts, OPT_s2s_crypt, &s2s_crypt_behavior) == 0) {
407 if (strcmp(s2s_crypt_behavior, "always") == 0)
408 doCrypt = VS2SC_ALWAYS;
409 else if (strcmp(s2s_crypt_behavior, "never") == 0)
410 doCrypt = VS2SC_NEVER;
411 else if (strcmp(s2s_crypt_behavior, "inherit") == 0)
412 doCrypt = VS2SC_INHERIT;
414 printf("invalid argument for -s2scrypt: %s\n", s2s_crypt_behavior);
417 free(s2s_crypt_behavior);
423 #include "AFS_component_version_number.c"
425 main(int argc, char **argv)
428 struct rx_securityClass **securityClasses;
429 afs_int32 numClasses;
430 struct rx_service *service;
432 afs_uint32 host = ntohl(INADDR_ANY);
433 VolumePackageOptions opts;
437 * The following signal action for AIX is necessary so that in case of a
438 * crash (i.e. core is generated) we can include the user's data section
439 * in the core dump. Unfortunately, by default, only a partial core is
440 * generated which, in many cases, isn't too useful.
442 struct sigaction nsa;
444 sigemptyset(&nsa.sa_mask);
445 nsa.sa_handler = SIG_DFL;
446 nsa.sa_flags = SA_FULLDUMP;
447 sigaction(SIGABRT, &nsa, NULL);
448 sigaction(SIGSEGV, &nsa, NULL);
451 osi_audit(VS_StartEvent, 0, AUD_END);
453 /* Initialize dirpaths */
454 if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
456 ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0);
458 fprintf(stderr, "%s: Unable to obtain AFS server directory.\n",
463 configDir = strdup(AFSDIR_SERVER_ETC_DIRPATH);
465 if (ParseArgs(argc, argv)) {
470 osi_audit_file(auditFileName);
471 osi_audit(VS_StartEvent, 0, AUD_END);
473 #ifdef AFS_SGI_VNODE_GLUE
474 if (afs_init_kernel_config(-1) < 0) {
476 ("Can't determine NUMA configuration, not starting volserver.\n");
482 #ifdef AFS_PTHREAD_ENV
483 SetLogThreadNumProgram( rx_GetThreadNum );
487 if (afs_winsockInit() < 0) {
488 ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0, argv[0], 0);
489 printf("Volume server unable to start winsock, exiting.\n");
496 VOptDefaults(volumeServer, &opts);
497 if (VInitVolumePackage2(volumeServer, &opts)) {
498 Log("Shutting down: errors encountered initializing volume package\n");
502 Lock_Init(&localLock);
504 #ifndef AFS_PTHREAD_ENV
505 vol_PollProc = IOMGR_Poll; /* tell vol pkg to poll io system periodically */
507 #if !defined( AFS_NT40_ENV ) && !defined(AFS_DARWIN160_ENV)
508 rxi_syscallp = volser_syscall;
510 rx_nPackets = rxpackets; /* set the max number of packets */
512 rx_SetUdpBufSize(udpBufSize); /* set the UDP buffer size for receive */
515 if (AFSDIR_SERVER_NETRESTRICT_FILEPATH ||
516 AFSDIR_SERVER_NETINFO_FILEPATH) {
518 ccode = afsconf_ParseNetFiles(SHostAddrs, NULL, NULL,
519 ADDRSPERSITE, reason,
520 AFSDIR_SERVER_NETINFO_FILEPATH,
521 AFSDIR_SERVER_NETRESTRICT_FILEPATH);
524 ccode = rx_getAllAddr(SHostAddrs, ADDRSPERSITE);
527 host = SHostAddrs[0];
530 code = rx_InitHost(host, (int)htons(AFSCONF_VOLUMEPORT));
532 fprintf(stderr, "rx init failed on socket AFSCONF_VOLUMEPORT %u\n",
537 /* Don't allow 3.4 vos clients to send jumbograms and we don't send. */
540 if (rxMaxMTU != -1) {
541 if (rx_SetMaxMTU(rxMaxMTU) != 0) {
542 fprintf(stderr, "rxMaxMTU %d is invalid\n", rxMaxMTU);
547 rx_SetRxDeadTime(420);
548 memset(busyFlags, 0, sizeof(busyFlags));
550 #ifdef AFS_PTHREAD_ENV
552 SetupLogSoftSignals();
558 #ifdef AFS_PTHREAD_ENV
560 pthread_attr_t tattr;
561 opr_Verify(pthread_attr_init(&tattr) == 0);
562 opr_Verify(pthread_attr_setdetachstate(&tattr,
563 PTHREAD_CREATE_DETACHED) == 0);
564 opr_Verify(pthread_create(&tid, &tattr, BKGLoop, NULL) == 0);
567 LWP_CreateProcess(BKGLoop, 16*1024, 3, 0, "vol bkg daemon", &pid);
571 /* 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 */
573 tdir = afsconf_Open(configDir);
575 Abort("volser: could not open conf files in %s\n",
580 /* initialize audit user check */
581 osi_audit_set_user_check(tdir, vol_IsLocalRealmMatch);
583 afsconf_BuildServerSecurityObjects(tdir, &securityClasses, &numClasses);
584 if (securityClasses[0] == NULL)
585 Abort("rxnull_NewServerSecurityObject");
587 rx_NewServiceHost(host, 0, VOLSERVICE_ID, "VOLSER", securityClasses,
588 numClasses, AFSVolExecuteRequest);
589 if (service == (struct rx_service *)0)
590 Abort("rx_NewService");
591 rx_SetBeforeProc(service, MyBeforeProc);
592 rx_SetAfterProc(service, MyAfterProc);
593 rx_SetIdleDeadTime(service, 0); /* never timeout */
596 rx_SetMaxProcs(service, lwps);
597 #if defined(AFS_XBSD_ENV)
598 rx_SetStackSize(service, (128 * 1024));
599 #elif defined(AFS_SGI_ENV)
600 rx_SetStackSize(service, (48 * 1024));
602 rx_SetStackSize(service, (32 * 1024));
605 if (rxkadDisableDotCheck) {
606 rx_SetSecurityConfiguration(service, RXS_CONFIG_FLAGS,
607 (void *)RXS_CONFIG_FLAGS_DISABLE_DOTCHECK);
611 rx_NewService(0, RX_STATS_SERVICE_ID, "rpcstats", securityClasses,
612 numClasses, RXSTATS_ExecuteRequest);
613 if (service == (struct rx_service *)0)
614 Abort("rx_NewService");
615 rx_SetMinProcs(service, 2);
616 rx_SetMaxProcs(service, 4);
618 LogCommandLine(argc, argv, "Volserver", VolserVersion, "Starting AFS",
620 if (afsconf_GetLatestKey(tdir, NULL, NULL) == 0) {
624 /* allow super users to manage RX statistics */
625 rx_SetRxStatUserOk(vol_rxstat_userok);
627 rx_StartServer(1); /* Donate this process to the server process pool */
629 osi_audit(VS_FinishEvent, (-1), AUD_END);
630 Abort("StartServer returned?");
631 return 0; /* not reached */