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>
17 #include <WINNT/afsevent.h>
25 #include <rx/rx_globals.h>
26 #include <afs/cellconfig.h>
27 #include <afs/bubasics.h>
28 #include <afs/afsutil.h>
29 #include <afs/com_err.h>
30 #include <afs/audit.h>
32 #include "budb_errs.h"
34 #include "error_macros.h"
35 #include "budb_internal.h"
38 struct ubik_dbase *BU_dbase;
39 struct afsconf_dir *BU_conf; /* for getting cell info */
41 int argHandler(struct cmd_syndesc *, void *);
42 int truncateDatabase(void);
43 int parseServerList(struct cmd_item *);
45 char lcell[MAXKTCREALMLEN];
46 afs_uint32 myHost = 0;
49 /* server's global configuration information. This is exported to other
53 buServerConfT globalConf;
54 buServerConfP globalConfPtr = &globalConf;
55 char dbDir[AFSDIR_PATH_MAX], cellConfDir[AFSDIR_PATH_MAX];
56 /* debugging control */
65 #define ADDRSPERSITE 16 /* Same global is in rx/rx_user.c */
66 afs_uint32 SHostAddrs[ADDRSPERSITE];
68 /* check whether caller is authorized to manage RX statistics */
70 BU_rxstat_userok(struct rx_call *call)
72 return afsconf_SuperUser(BU_conf, call, NULL);
76 * Return true if this name is a member of the local realm.
79 BU_IsLocalRealmMatch(void *rock, char *name, char *inst, char *cell)
81 struct afsconf_dir *dir = (struct afsconf_dir *)rock;
82 afs_int32 islocal = 0; /* default to no */
85 code = afsconf_IsLocalRealmMatch(dir, &islocal, name, inst, cell);
87 LogError(code, "Failed local realm check; name=%s, inst=%s, cell=%s\n",
94 convert_cell_to_ubik(struct afsconf_cell *cellinfo, afs_uint32 *myHost,
95 afs_uint32 *serverList)
102 gethostname(hostname, sizeof(hostname));
103 th = gethostbyname(hostname);
105 printf("prserver: couldn't get address of this host.\n");
108 memcpy(myHost, th->h_addr, sizeof(afs_uint32));
110 for (i = 0; i < cellinfo->numServers; i++)
111 /* omit my host from serverList */
112 if (cellinfo->hostAddr[i].sin_addr.s_addr != *myHost)
113 *serverList++ = cellinfo->hostAddr[i].sin_addr.s_addr;
115 *serverList = 0; /* terminate list */
120 * The whole purpose of MyBeforeProc is to detect
121 * if the -help option was not within the command line.
122 * If it were, this routine would never have been called.
125 MyBeforeProc(struct cmd_syndesc *as, void *arock)
131 /* initializeCommands
132 * initialize all the supported commands and their arguments
136 initializeArgHandler(void)
138 struct cmd_syndesc *cptr;
140 cmd_SetBeforeProc(MyBeforeProc, NULL);
142 cptr = cmd_CreateSyntax(NULL, argHandler, NULL, 0, "Backup database server");
144 cmd_AddParm(cptr, "-database", CMD_SINGLE, CMD_OPTIONAL,
145 "database directory");
147 cmd_AddParm(cptr, "-cellservdb", CMD_SINGLE, CMD_OPTIONAL,
148 "cell configuration directory");
150 cmd_AddParm(cptr, "-resetdb", CMD_FLAG, CMD_OPTIONAL,
151 "truncate the database");
153 cmd_AddParm(cptr, "-noauth", CMD_FLAG, CMD_OPTIONAL,
154 "run without authentication");
156 cmd_AddParm(cptr, "-smallht", CMD_FLAG, CMD_OPTIONAL,
157 "use small hash tables");
159 cmd_AddParm(cptr, "-servers", CMD_LIST, CMD_OPTIONAL,
160 "list of ubik database servers");
162 cmd_AddParm(cptr, "-ubikbuffers", CMD_SINGLE, CMD_OPTIONAL,
163 "the number of ubik buffers");
165 cmd_AddParm(cptr, "-auditlog", CMD_SINGLE, CMD_OPTIONAL,
168 cmd_AddParm(cptr, "-p", CMD_SINGLE, CMD_OPTIONAL,
169 "number of processes");
171 cmd_AddParm(cptr, "-rxbind", CMD_FLAG, CMD_OPTIONAL,
172 "bind the Rx socket (primary interface only)");
174 cmd_AddParm(cptr, "-audit-interface", CMD_SINGLE, CMD_OPTIONAL,
175 "audit interface (file or sysvmq)");
179 argHandler(struct cmd_syndesc *as, void *arock)
182 /* globalConfPtr provides the handle for the configuration information */
184 /* database directory */
185 if (as->parms[0].items != 0) {
186 globalConfPtr->databaseDirectory = strdup(as->parms[0].items->data);
187 if (globalConfPtr->databaseDirectory == 0)
191 /* -cellservdb, cell configuration directory */
192 if (as->parms[1].items != 0) {
193 globalConfPtr->cellConfigdir = strdup(as->parms[1].items->data);
194 if (globalConfPtr->cellConfigdir == 0)
197 globalConfPtr->debugFlags |= DF_RECHECKNOAUTH;
200 /* truncate the database */
201 if (as->parms[2].items != 0)
204 /* run without authentication */
205 if (as->parms[3].items != 0)
206 globalConfPtr->debugFlags |= DF_NOAUTH;
208 /* use small hash tables */
209 if (as->parms[4].items != 0)
210 globalConfPtr->debugFlags |= DF_SMALLHT;
212 /* user provided list of ubik database servers */
213 if (as->parms[5].items != 0)
214 parseServerList(as->parms[5].items);
216 /* user provided the number of ubik buffers */
217 if (as->parms[6].items != 0)
218 ubik_nBuffers = atoi(as->parms[6].items->data);
222 /* param 7 (-auditlog) handled below */
224 /* user provided the number of threads */
225 if (as->parms[8].items != 0) {
226 lwps = atoi(as->parms[8].items->data);
228 printf ("Warning: '-p %d' is too big; using %d instead\n",
233 printf ("Warning: '-p %d' is too small; using %d instead\n",
239 /* user provided rxbind option */
240 if (as->parms[9].items != 0) {
244 /* -audit-interface */
245 if (as->parms[10].items != 0) {
246 char *interface = as->parms[10].items->data;
248 if (osi_audit_interface(interface)) {
249 printf("Invalid audit interface '%s'\n", interface);
255 /* needs to be after -audit-interface, so we osi_audit_interface
256 * before we osi_audit_file */
257 if (as->parms[7].items != 0) {
258 char *fileName = as->parms[7].items->data;
260 osi_audit_file(fileName);
269 parseServerList(struct cmd_item *itemPtr)
271 struct cmd_item *save;
274 afs_int32 nservers = 0;
279 /* compute number of servers in the list */
282 itemPtr = itemPtr->next;
285 LogDebug(3, "%d servers\n", nservers);
287 /* now can allocate the space for the server arguments */
288 serverArgs = malloc((nservers + 2) * sizeof(char *));
296 /* now go through and construct the list of servers */
299 *ptr++ = itemPtr->data;
300 itemPtr = itemPtr->next;
304 ubik_ParseServerList(nservers + 2, serverArgs, &globalConfPtr->myHost,
305 globalConfPtr->serverList);
309 /* free space for the server args */
317 * truncates just the database file.
321 truncateDatabase(void)
327 r = asprintf(&path, "%s%s%s",
328 globalConfPtr->databaseDirectory,
329 globalConfPtr->databaseName,
330 globalConfPtr->databaseExtension);
331 if (r < 0 || path == NULL)
334 fd = open(path, O_RDWR, 0755);
338 if (ftruncate(fd, 0) != 0) {
353 #include "AFS_component_version_number.c"
356 main(int argc, char **argv)
358 char *whoami = argv[0];
360 struct afsconf_cell cellinfo_s;
361 struct afsconf_cell *cellinfo = NULL;
364 afs_uint32 host = ntohl(INADDR_ANY);
367 char clones[MAXHOSTSPERCELL];
369 struct rx_service *tservice;
370 struct rx_securityClass **securityClasses;
371 afs_int32 numClasses;
373 extern int rx_stackSize;
374 struct logOptions logopts;
377 /* initialize winsock */
378 if (afs_winsockInit() < 0) {
379 ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0, argv[0], 0);
380 fprintf(stderr, "%s: Couldn't initialize winsock.\n", whoami);
387 * The following signal action for AIX is necessary so that in case of a
388 * crash (i.e. core is generated) we can include the user's data section
389 * in the core dump. Unfortunately, by default, only a partial core is
390 * generated which, in many cases, isn't too useful.
392 struct sigaction nsa;
394 sigemptyset(&nsa.sa_mask);
395 nsa.sa_handler = SIG_DFL;
396 nsa.sa_flags = SA_FULLDUMP;
397 sigaction(SIGSEGV, &nsa, NULL);
398 sigaction(SIGABRT, &nsa, NULL);
401 memset(&cellinfo_s, 0, sizeof(cellinfo_s));
402 memset(clones, 0, sizeof(clones));
404 memset(&logopts, 0, sizeof(logopts));
405 logopts.lopt_dest = logDest_file;
406 logopts.lopt_filename = AFSDIR_SERVER_BUDBLOG_FILEPATH;
407 logopts.lopt_rotateOnOpen = 1;
408 logopts.lopt_rotateStyle = logRotate_old;
411 osi_audit(BUDB_StartEvent, 0, AUD_END);
413 initialize_BUDB_error_table();
414 initializeArgHandler();
416 /* Initialize dirpaths */
417 if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
419 ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0);
421 afs_com_err(whoami, errno, "; Unable to obtain AFS server directory.");
425 memset(globalConfPtr, 0, sizeof(*globalConfPtr));
427 /* set default configuration values */
428 strcpy(dbDir, AFSDIR_SERVER_DB_DIRPATH);
430 globalConfPtr->databaseDirectory = dbDir;
431 globalConfPtr->databaseName = DEFAULT_DBPREFIX;
432 strcpy(cellConfDir, AFSDIR_SERVER_ETC_DIRPATH);
433 globalConfPtr->cellConfigdir = cellConfDir;
437 #ifdef AFS_PTHREAD_ENV
438 SetLogThreadNumProgram( rx_GetThreadNum );
441 /* process the user supplied args */
443 code = cmd_Dispatch(argc, argv);
447 /* exit if there was a help option */
451 /* open the log file */
454 /* open the cell's configuration directory */
455 LogDebug(4, "opening %s\n", globalConfPtr->cellConfigdir);
457 BU_conf = afsconf_Open(globalConfPtr->cellConfigdir);
459 LogError(code, "Failed getting cell info\n");
460 afs_com_err(whoami, code, "Failed getting cell info");
464 code = afsconf_GetLocalCell(BU_conf, lcell, sizeof(lcell));
466 LogError(0, "** Can't determine local cell name!\n");
470 if (globalConfPtr->myHost == 0) {
471 /* if user hasn't supplied a list of servers, extract server
472 * list from the cell's database
475 cellinfo = &cellinfo_s;
477 LogDebug(1, "Using server list from %s cell database.\n", lcell);
479 code = afsconf_GetExtendedCellInfo (BU_conf, lcell, 0, cellinfo,
482 LogError(0, "Can't read cell information\n");
487 convert_cell_to_ubik(cellinfo, &globalConfPtr->myHost,
488 globalConfPtr->serverList);
493 /* initialize audit user check */
494 osi_audit_set_user_check(BU_conf, BU_IsLocalRealmMatch);
496 /* initialize ubik */
497 ubik_SetClientSecurityProcs(afsconf_ClientAuth, afsconf_UpToDate, BU_conf);
498 ubik_SetServerSecurityProcs(afsconf_BuildServerSecurityObjects,
499 afsconf_CheckAuth, BU_conf);
501 if (ubik_nBuffers == 0)
504 LogError(0, "Will allocate %d ubik buffers\n", ubik_nBuffers);
506 r = asprintf(&dbNamePtr, "%s%s", globalConfPtr->databaseDirectory,
507 globalConfPtr->databaseName);
508 if (r < 0 || dbNamePtr == 0)
511 rx_SetRxDeadTime(60); /* 60 seconds inactive before timeout */
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];
528 rx_InitHost(host, htons(AFSCONF_BUDBPORT));
532 /* Disable jumbograms */
536 code = ubik_ServerInitByInfo(globalConfPtr->myHost,
537 htons(AFSCONF_BUDBPORT),
540 dbNamePtr, /* name prefix */
543 code = ubik_ServerInit(globalConfPtr->myHost, htons(AFSCONF_BUDBPORT),
544 globalConfPtr->serverList,
545 dbNamePtr, /* name prefix */
550 LogError(code, "Ubik init failed\n");
551 afs_com_err(whoami, code, "Ubik init failed");
555 afsconf_BuildServerSecurityObjects(BU_conf, &securityClasses, &numClasses);
558 rx_NewServiceHost(host, 0, BUDB_SERVICE, "BackupDatabase",
559 securityClasses, numClasses, BUDB_ExecuteRequest);
561 if (tservice == (struct rx_service *)0) {
562 LogError(0, "Could not create backup database rx service\n");
563 printf("Could not create backup database rx service\n");
566 rx_SetMinProcs(tservice, 1);
567 rx_SetMaxProcs(tservice, lwps);
568 rx_SetStackSize(tservice, 10000);
570 /* allow super users to manage RX statistics */
571 rx_SetRxStatUserOk(BU_rxstat_userok);
573 /* misc. initialization */
575 /* database dump synchronization */
576 memset(dumpSyncPtr, 0, sizeof(*dumpSyncPtr));
577 Lock_Init(&dumpSyncPtr->ds_lock);
579 rx_StartServer(0); /* start handling requests */
586 currentTime = time(0);
587 LogError(0, "Ready to process requests at %s\n", ctime(¤tTime));
589 rx_ServerProc(NULL); /* donate this LWP */
592 osi_audit(BUDB_FinishEvent, code, AUD_END);
597 consistencyCheckDb(void)
599 /* do consistency checks on structure sizes */
600 if ((sizeof(struct htBlock) > BLOCKSIZE)
601 || (sizeof(struct vfBlock) > BLOCKSIZE)
602 || (sizeof(struct viBlock) > BLOCKSIZE)
603 || (sizeof(struct dBlock) > BLOCKSIZE)
604 || (sizeof(struct tBlock) > BLOCKSIZE)
606 fprintf(stderr, "Block layout error!\n");
612 LogDebug(int level, char *fmt, ... )
614 if (debugging >= level) {
633 LogError(long code, char *fmt, ... )
640 len = vsnprintf(buffer, sizeof(buffer), fmt, ap);
646 /* Be consistent with (unintentional?) historic behavior. */
648 FSLog("%s: %s\n", afs_error_table_name(code), afs_error_message(code));
649 WriteLogBuffer(buffer, len);