void
afsconf_BuildServerSecurityObjects(struct afsconf_dir *dir,
afs_uint32 flags,
struct rx_securityClass ***classes,
afs_int32 *numClasses)
{
if (flags & AFSCONF_SEC_OBJS_RXKAD_CRYPT)
*numClasses = 4;
else
*numClasses = 3;
*classes = calloc(*numClasses, sizeof(**classes));
(*classes)[0] = rxnull_NewServerSecurityObject();
(*classes)[1] = NULL;
(*classes)[2] = rxkad_NewServerSecurityObject(0, dir,
afsconf_GetKey, NULL);
if (flags & AFSCONF_SEC_OBJS_RXKAD_CRYPT)
(*classes)[3] = rxkad_NewServerSecurityObject(rxkad_crypt, dir,
afsconf_GetKey, NULL);
}
struct rx_securityClass *
rxkad_NewKrb5ServerSecurityObject(rxkad_level level, void *get_key_rock,
int (*get_key) (void *get_key_rock, int kvno,
struct ktc_encryptionKey *
serverKey),
rxkad_get_key_enctype_func get_key_enctype,
int (*user_ok) (char *name, char *instance,
char *cell, afs_int32 kvno)
) {
struct rx_securityClass *tsc;
struct rxkad_sprivate *tsp;
tsc = rxkad_NewServerSecurityObject(level, get_key_rock, get_key, user_ok);
tsp = (struct rxkad_sprivate *)tsc->privateData;
tsp->get_key_enctype = get_key_enctype;
return tsc;
}
/* Return an appropriate security class and index */
afs_int32
afsconf_ServerAuth(void *arock,
struct rx_securityClass **astr,
afs_int32 *aindex)
{
struct afsconf_dir *adir = (struct afsconf_dir *) arock;
register struct rx_securityClass *tclass;
LOCK_GLOBAL_MUTEX;
tclass = (struct rx_securityClass *)
rxkad_NewServerSecurityObject(0, adir, afsconf_GetKey, NULL);
if (tclass) {
*astr = tclass;
*aindex = RX_SECIDX_KAD;
UNLOCK_GLOBAL_MUTEX;
return 0;
} else {
UNLOCK_GLOBAL_MUTEX;
return 2;
}
}
int
main(int argc, char *argv[])
{
afs_int32 code;
char *whoami = argv[0];
afs_uint32 serverList[MAXSERVERS];
struct afsconf_cell cellinfo;
char *cell;
const char *cellservdb, *dbpath, *lclpath;
int a;
char arg[32];
char default_lclpath[AFSDIR_PATH_MAX];
int servers;
int initFlags;
int level; /* security level for Ubik */
afs_int32 i;
char clones[MAXHOSTSPERCELL];
afs_uint32 host = ntohl(INADDR_ANY);
char *auditFileName = NULL;
struct rx_service *tservice;
struct rx_securityClass *sca[1];
struct rx_securityClass *scm[3];
extern int rx_stackSize;
#ifdef AFS_AIX32_ENV
/*
* The following signal action for AIX is necessary so that in case of a
* crash (i.e. core is generated) we can include the user's data section
* in the core dump. Unfortunately, by default, only a partial core is
* generated which, in many cases, isn't too useful.
*/
struct sigaction nsa;
sigemptyset(&nsa.sa_mask);
nsa.sa_handler = SIG_DFL;
nsa.sa_flags = SA_FULLDUMP;
sigaction(SIGABRT, &nsa, NULL);
sigaction(SIGSEGV, &nsa, NULL);
#endif
osi_audit_init();
if (argc == 0) {
usage:
printf("Usage: kaserver [-noAuth] [-database <dbpath>] "
"[-auditlog <log path>] [-audit-interface <file|sysvmq>] "
"[-rxbind] [-localfiles <lclpath>] [-minhours <n>] "
"[-servers <serverlist>] [-crossrealm] "
/*" [-enable_peer_stats] [-enable_process_stats] " */
"[-help]\n");
exit(1);
}
#ifdef AFS_NT40_ENV
/* initialize winsock */
if (afs_winsockInit() < 0) {
ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0, argv[0], 0);
fprintf(stderr, "%s: Couldn't initialize winsock.\n", whoami);
exit(1);
}
#endif
/* Initialize dirpaths */
if (!(initAFSDirPath() & AFSDIR_SERVER_PATHS_OK)) {
#ifdef AFS_NT40_ENV
ReportErrorEventAlt(AFSEVT_SVR_NO_INSTALL_DIR, 0, argv[0], 0);
#endif
fprintf(stderr, "%s: Unable to obtain AFS server directory.\n",
argv[0]);
exit(2);
}
cellservdb = AFSDIR_SERVER_ETC_DIRPATH;
dbpath = AFSDIR_SERVER_KADB_FILEPATH;
strcompose(default_lclpath, AFSDIR_PATH_MAX, AFSDIR_SERVER_LOCAL_DIRPATH,
"/", AFSDIR_KADB_FILE, NULL);
lclpath = default_lclpath;
debugOutput = 0;
servers = 0;
initFlags = 0;
level = rxkad_crypt;
for (a = 1; a < argc; a++) {
int arglen = strlen(argv[a]);
lcstring(arg, argv[a], sizeof(arg));
#define IsArg(a) (strncmp (arg,a, arglen) == 0)
if (strcmp(arg, "-database") == 0) {
dbpath = argv[++a];
if (strcmp(lclpath, default_lclpath) == 0)
lclpath = dbpath;
}
else if (strncmp(arg, "-auditlog", arglen) == 0) {
auditFileName = argv[++a];
} else if (strncmp(arg, "-audit-interface", arglen) == 0) {
char *interface = argv[++a];
if (osi_audit_interface(interface)) {
printf("Invalid audit interface '%s'\n", interface);
exit(1);
}
} else if (strcmp(arg, "-localfiles") == 0)
lclpath = argv[++a];
else if (strcmp(arg, "-servers") == 0)
debugOutput++, servers = 1;
else if (strcmp(arg, "-noauth") == 0)
debugOutput++, initFlags |= 1;
else if (strcmp(arg, "-fastkeys") == 0)
debugOutput++, initFlags |= 4;
else if (strcmp(arg, "-dbfixup") == 0)
debugOutput++, initFlags |= 8;
else if (strcmp(arg, "-cellservdb") == 0) {
cellservdb = argv[++a];
initFlags |= 2;
debugOutput++;
}
else if (IsArg("-crypt"))
level = rxkad_crypt;
else if (IsArg("-safe"))
level = rxkad_crypt;
else if (IsArg("-clear"))
level = rxkad_clear;
else if (IsArg("-sorry"))
level = rxkad_clear;
else if (IsArg("-debug"))
verbose_track = 0;
else if (IsArg("-crossrealm"))
krb4_cross = 1;
else if (IsArg("-rxbind"))
rxBind = 1;
else if (IsArg("-minhours")) {
MinHours = atoi(argv[++a]);
} else if (IsArg("-enable_peer_stats")) {
rx_enablePeerRPCStats();
} else if (IsArg("-enable_process_stats")) {
rx_enableProcessRPCStats();
} else if (*arg == '-') {
/* hack to support help flag */
goto usage;
}
}
if (auditFileName) {
osi_audit_file(auditFileName);
}
if ((code = ka_CellConfig(cellservdb)))
goto abort;
cell = ka_LocalCell();
KA_conf = afsconf_Open(cellservdb);
if (!KA_conf) {
code = KANOCELLS;
abort:
afs_com_err(whoami, code, "Failed getting cell info");
exit(1);
}
#ifdef AUTH_DBM_LOG
kalog_Init();
#else
/* NT & HPUX do not have dbm package support. So we can only do some
* text logging. So open the AuthLog file for logging and redirect
* stdin and stdout to it
*/
OpenLog(AFSDIR_SERVER_KALOG_FILEPATH);
SetupLogSignals();
#endif
fprintf(stderr, "%s: WARNING: kaserver is deprecated due to its weak security "
"properties. Migrating to a Kerberos 5 KDC is advised. "
"http://www.openafs.org/no-more-des.html\n", whoami);
ViceLog(0, ("WARNING: kaserver is deprecated due to its weak security properties. "
"Migrating to a Kerberos 5 KDC is advised. "
"http://www.openafs.org/no-more-des.html\n"));
code =
afsconf_GetExtendedCellInfo(KA_conf, cell, AFSCONF_KAUTHSERVICE,
&cellinfo, clones);
if (servers) {
if ((code = ubik_ParseServerList(argc, argv, &myHost, serverList))) {
afs_com_err(whoami, code, "Couldn't parse server list");
exit(1);
}
cellinfo.hostAddr[0].sin_addr.s_addr = myHost;
for (i = 1; i < MAXSERVERS; i++) {
if (!serverList[i])
break;
cellinfo.hostAddr[i].sin_addr.s_addr = serverList[i];
}
cellinfo.numServers = i;
} else {
code = convert_cell_to_ubik(&cellinfo, &myHost, serverList);
if (code)
goto abort;
ViceLog(0, ("Using server list from %s cell database.\n", cell));
}
/* initialize audit user check */
osi_audit_set_user_check(KA_conf, KA_IsLocalRealmMatch);
/* initialize ubik */
if (level == rxkad_clear)
ubik_SetClientSecurityProcs(afsconf_ClientAuth, afsconf_UpToDate,
KA_conf);
else if (level == rxkad_crypt)
ubik_SetClientSecurityProcs(afsconf_ClientAuthSecure,
afsconf_UpToDate, KA_conf);
else {
ViceLog(0, ("Unsupported security level %d\n", level));
exit(5);
}
ViceLog(0,
("Using level %s for Ubik connections.\n",
(level == rxkad_crypt ? "crypt" : "clear")));
ubik_SetServerSecurityProcs(afsconf_BuildServerSecurityObjects,
afsconf_CheckAuth,
KA_conf);
ubik_nBuffers = 80;
if (rxBind) {
afs_int32 ccode;
if (AFSDIR_SERVER_NETRESTRICT_FILEPATH ||
AFSDIR_SERVER_NETINFO_FILEPATH) {
char reason[1024];
ccode = parseNetFiles(SHostAddrs, NULL, NULL,
ADDRSPERSITE, reason,
AFSDIR_SERVER_NETINFO_FILEPATH,
AFSDIR_SERVER_NETRESTRICT_FILEPATH);
} else
{
ccode = rx_getAllAddr(SHostAddrs, ADDRSPERSITE);
}
if (ccode == 1) {
host = SHostAddrs[0];
rx_InitHost(host, htons(AFSCONF_KAUTHPORT));
}
}
/* Disable jumbograms */
rx_SetNoJumbo();
if (servers)
code =
ubik_ServerInit(myHost, htons(AFSCONF_KAUTHPORT), serverList,
dbpath, &KA_dbase);
else
code =
ubik_ServerInitByInfo(myHost, htons(AFSCONF_KAUTHPORT), &cellinfo,
clones, dbpath, &KA_dbase);
if (code) {
afs_com_err(whoami, code, "Ubik init failed");
exit(2);
}
sca[RX_SCINDEX_NULL] = rxnull_NewServerSecurityObject();
tservice =
rx_NewServiceHost(host, 0, KA_AUTHENTICATION_SERVICE,
"AuthenticationService", sca, 1, KAA_ExecuteRequest);
if (tservice == (struct rx_service *)0) {
ViceLog(0, ("Could not create Authentication rx service\n"));
exit(3);
}
rx_SetMinProcs(tservice, 1);
rx_SetMaxProcs(tservice, 1);
tservice =
rx_NewServiceHost(host, 0, KA_TICKET_GRANTING_SERVICE, "TicketGrantingService",
sca, 1, KAT_ExecuteRequest);
if (tservice == (struct rx_service *)0) {
ViceLog(0, ("Could not create Ticket Granting rx service\n"));
exit(3);
}
rx_SetMinProcs(tservice, 1);
rx_SetMaxProcs(tservice, 1);
scm[RX_SCINDEX_NULL] = sca[RX_SCINDEX_NULL];
scm[RX_SCINDEX_VAB] = 0;
scm[RX_SCINDEX_KAD] =
rxkad_NewServerSecurityObject(rxkad_crypt, 0, kvno_admin_key, 0);
tservice =
rx_NewServiceHost(host, 0, KA_MAINTENANCE_SERVICE, "Maintenance", scm, 3,
KAM_ExecuteRequest);
if (tservice == (struct rx_service *)0) {
ViceLog(0, ("Could not create Maintenance rx service\n"));
exit(3);
}
rx_SetMinProcs(tservice, 1);
rx_SetMaxProcs(tservice, 1);
rx_SetStackSize(tservice, 10000);
tservice =
rx_NewServiceHost(host, 0, RX_STATS_SERVICE_ID, "rpcstats", scm, 3,
RXSTATS_ExecuteRequest);
if (tservice == (struct rx_service *)0) {
ViceLog(0, ("Could not create rpc stats rx service\n"));
exit(3);
}
rx_SetMinProcs(tservice, 2);
rx_SetMaxProcs(tservice, 4);
initialize_dstats();
/* allow super users to manage RX statistics */
rx_SetRxStatUserOk(KA_rxstat_userok);
rx_StartServer(0); /* start handling req. of all types */
if (init_kaprocs(lclpath, initFlags))
return -1;
if ((code = init_krb_udp())) {
ViceLog(0,
("Failed to initialize UDP interface; code = %d.\n", code));
ViceLog(0, ("Running without UDP access.\n"));
}
ViceLog(0, ("Starting to process AuthServer requests\n"));
rx_ServerProc(NULL); /* donate this LWP */
return 0;
}
