int
main(int argc, char **argv)
{
afs_int32 code;
struct rx_securityClass **securityClasses;
afs_int32 numClasses;
struct rx_service *service;
struct ktc_encryptionKey tkey;
int rxpackets = 100;
int rxJumbograms = 0; /* default is to send and receive jumbograms. */
int rxMaxMTU = -1;
int bufSize = 0; /* temp variable to read in udp socket buf size */
afs_uint32 host = ntohl(INADDR_ANY);
char *auditFileName = NULL;
VolumePackageOptions opts;
#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();
osi_audit(VS_StartEvent, 0, AUD_END);
/* 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);
}
TTsleep = TTrun = 0;
/* parse cmd line */
for (code = 1; code < argc; code++) {
if (strcmp(argv[code], "-log") == 0) {
/* set extra logging flag */
DoLogging = 1;
} else if (strcmp(argv[code], "-help") == 0) {
goto usage;
} else if (strcmp(argv[code], "-rxbind") == 0) {
rxBind = 1;
} else if (strcmp(argv[code], "-allow-dotted-principals") == 0) {
rxkadDisableDotCheck = 1;
} else if (strcmp(argv[code], "-d") == 0) {
if ((code + 1) >= argc) {
fprintf(stderr, "missing argument for -d\n");
return -1;
}
debuglevel = atoi(argv[++code]);
LogLevel = debuglevel;
} else if (strcmp(argv[code], "-p") == 0) {
lwps = atoi(argv[++code]);
if (lwps > MAXLWP) {
printf("Warning: '-p %d' is too big; using %d instead\n",
lwps, MAXLWP);
lwps = MAXLWP;
}
} else if (strcmp(argv[code], "-auditlog") == 0) {
auditFileName = argv[++code];
} else if (strcmp(argv[code], "-audit-interface") == 0) {
char *interface = argv[++code];
if (osi_audit_interface(interface)) {
printf("Invalid audit interface '%s'\n", interface);
return -1;
}
} else if (strcmp(argv[code], "-nojumbo") == 0) {
rxJumbograms = 0;
} else if (strcmp(argv[code], "-jumbo") == 0) {
rxJumbograms = 1;
} else if (!strcmp(argv[code], "-rxmaxmtu")) {
if ((code + 1) >= argc) {
fprintf(stderr, "missing argument for -rxmaxmtu\n");
exit(1);
}
rxMaxMTU = atoi(argv[++code]);
if ((rxMaxMTU < RX_MIN_PACKET_SIZE) ||
(rxMaxMTU > RX_MAX_PACKET_DATA_SIZE)) {
printf("rxMaxMTU %d invalid; must be between %d-%" AFS_SIZET_FMT "\n",
rxMaxMTU, RX_MIN_PACKET_SIZE,
RX_MAX_PACKET_DATA_SIZE);
exit(1);
}
} else if (strcmp(argv[code], "-sleep") == 0) {
sscanf(argv[++code], "%d/%d", &TTsleep, &TTrun);
if ((TTsleep < 0) || (TTrun <= 0)) {
printf("Warning: '-sleep %d/%d' is incorrect; ignoring\n",
TTsleep, TTrun);
TTsleep = TTrun = 0;
}
} else if (strcmp(argv[code], "-mbpersleep") == 0) {
sscanf(argv[++code], "%d", &MBperSecSleep);
if (MBperSecSleep < 0)
MBperSecSleep = 0;
} else if (strcmp(argv[code], "-udpsize") == 0) {
if ((code + 1) >= argc) {
printf("You have to specify -udpsize <integer value>\n");
exit(1);
}
sscanf(argv[++code], "%d", &bufSize);
if (bufSize < rx_GetMinUdpBufSize())
printf
("Warning:udpsize %d is less than minimum %d; ignoring\n",
bufSize, rx_GetMinUdpBufSize());
else
udpBufSize = bufSize;
} else if (strcmp(argv[code], "-enable_peer_stats") == 0) {
rx_enablePeerRPCStats();
} else if (strcmp(argv[code], "-enable_process_stats") == 0) {
rx_enableProcessRPCStats();
} else if (strcmp(argv[code], "-preserve-vol-stats") == 0) {
DoPreserveVolumeStats = 1;
} else if (strcmp(argv[code], "-sync") == 0) {
if ((code + 1) >= argc) {
printf("You have to specify -sync <sync_behavior>\n");
exit(1);
}
ih_PkgDefaults();
if (ih_SetSyncBehavior(argv[++code])) {
printf("Invalid -sync value %s\n", argv[code]);
exit(1);
}
}
#ifndef AFS_NT40_ENV
else if (strcmp(argv[code], "-syslog") == 0) {
/* set syslog logging flag */
serverLogSyslog = 1;
} else if (strncmp(argv[code], "-syslog=", 8) == 0) {
serverLogSyslog = 1;
serverLogSyslogFacility = atoi(argv[code] + 8);
}
#endif
#ifdef AFS_PTHREAD_ENV
else if (strcmp(argv[code], "-convert") == 0)
convertToOsd = 1;
else if (strcmp(argv[code], "-libafsosd") == 0)
libafsosd = 1;
#endif
else {
printf("volserver: unrecognized flag '%s'\n", argv[code]);
usage:
#ifndef AFS_NT40_ENV
printf("Usage: volserver [-log] [-p <number of processes>] "
"[-auditlog <log path>] [-d <debug level>] "
"[-nojumbo] [-jumbo] [-rxmaxmtu <bytes>] [-rxbind] [-allow-dotted-principals] "
"[-udpsize <size of socket buffer in bytes>] "
"[-syslog[=FACILITY]] -mbpersleep <MB / 1 sec sleep>"
"%s"
"[-enable_peer_stats] [-enable_process_stats] "
"[-sync <always | delayed | onclose | never>] "
#ifdef AFS_PTHREAD_ENV
, libafsosd ? "[-convert] ":"",
#endif
"[-help]\n");
#else
printf("Usage: volserver [-log] [-p <number of processes>] "
"[-auditlog <log path>] [-d <debug level>] "
"[-nojumbo] [-jumbo] [-rxmaxmtu <bytes>] [-rxbind] [-allow-dotted-principals] "
"[-udpsize <size of socket buffer in bytes>] "
"[-enable_peer_stats] [-enable_process_stats] "
"[-sync <always | delayed | onclose | never>] "
"[-help]\n");
#endif
VS_EXIT(1);
}
}
if (auditFileName) {
osi_audit_file(auditFileName);
osi_audit(VS_StartEvent, 0, AUD_END);
}
#ifdef AFS_SGI_VNODE_GLUE
if (afs_init_kernel_config(-1) < 0) {
printf
("Can't determine NUMA configuration, not starting volserver.\n");
exit(1);
}
#endif
InitErrTabs();
#ifdef AFS_PTHREAD_ENV
SetLogThreadNumProgram( threadNum );
#endif
#ifdef AFS_NT40_ENV
if (afs_winsockInit() < 0) {
ReportErrorEventAlt(AFSEVT_SVR_WINSOCK_INIT_FAILED, 0, argv[0], 0);
printf("Volume server unable to start winsock, exiting.\n");
exit(1);
}
#endif
/* Open VolserLog and map stdout, stderr into it; VInitVolumePackage2 can
log, so we need to do this here */
OpenLog(AFSDIR_SERVER_VOLSERLOG_FILEPATH);
VOptDefaults(volumeServer, &opts);
#ifdef AFS_PTHREAD_ENV
if (libafsosd) {
extern struct vol_data_v0 vol_data_v0;
extern struct volser_data_v0 volser_data_v0;
struct init_volser_inputs input = {
&vol_data_v0,
&volser_data_v0
};
struct init_volser_outputs output = {
&osdvol,
&osdvolser
};
code = load_libafsosd("init_volser_afsosd", &input, &output);
if (code) {
ViceLog(0, ("Loading libafsosd.so failed with code %d, aborting\n",
code));
return -1;
}
}
#endif
if (VInitVolumePackage2(volumeServer, &opts)) {
Log("Shutting down: errors encountered initializing volume package\n");
exit(1);
}
/* For nuke() */
Lock_Init(&localLock);
DInit(40);
#ifndef AFS_PTHREAD_ENV
vol_PollProc = IOMGR_Poll; /* tell vol pkg to poll io system periodically */
#endif
#ifndef AFS_NT40_ENV
rxi_syscallp = volser_syscall;
#endif
rx_nPackets = rxpackets; /* set the max number of packets */
if (udpBufSize)
rx_SetUdpBufSize(udpBufSize); /* set the UDP buffer size for receive */
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];
}
code = rx_InitHost(host, (int)htons(AFSCONF_VOLUMEPORT));
if (code) {
fprintf(stderr, "rx init failed on socket AFSCONF_VOLUMEPORT %u\n",
AFSCONF_VOLUMEPORT);
VS_EXIT(1);
}
if (!rxJumbograms) {
/* Don't allow 3.4 vos clients to send jumbograms and we don't send. */
rx_SetNoJumbo();
}
if (rxMaxMTU != -1) {
rx_SetMaxMTU(rxMaxMTU);
}
rx_GetIFInfo();
#ifndef AFS_PTHREAD_ENV
rx_SetRxDeadTime(420);
#endif
memset(busyFlags, 0, sizeof(busyFlags));
SetupLogSignals();
{
#ifdef AFS_PTHREAD_ENV
pthread_t tid;
pthread_attr_t tattr;
osi_Assert(pthread_attr_init(&tattr) == 0);
osi_Assert(pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED) == 0);
osi_Assert(pthread_create(&tid, &tattr, BKGLoop, NULL) == 0);
#else
PROCESS pid;
LWP_CreateProcess(BKGLoop, 16*1024, 3, 0, "vol bkg daemon", &pid);
LWP_CreateProcess(BKGSleep,16*1024, 3, 0, "vol slp daemon", &pid);
#endif
}
/* 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 */
tdir = afsconf_Open(AFSDIR_SERVER_ETC_DIRPATH);
if (!tdir) {
Abort("volser: could not open conf files in %s\n",
AFSDIR_SERVER_ETC_DIRPATH);
VS_EXIT(1);
}
afsconf_GetKey(tdir, 999, &tkey);
afsconf_BuildServerSecurityObjects(tdir, 0, &securityClasses, &numClasses);
if (securityClasses[0] == NULL)
Abort("rxnull_NewServerSecurityObject");
service =
rx_NewServiceHost(host, 0, VOLSERVICE_ID, "VOLSER", securityClasses,
numClasses, AFSVolExecuteRequest);
if (service == (struct rx_service *)0)
Abort("rx_NewService");
rx_SetBeforeProc(service, MyBeforeProc);
rx_SetAfterProc(service, MyAfterProc);
rx_SetIdleDeadTime(service, 0); /* never timeout */
if (lwps < 4)
lwps = 4;
rx_SetMaxProcs(service, lwps);
#if defined(AFS_XBSD_ENV)
rx_SetStackSize(service, (128 * 1024));
#elif defined(AFS_SGI_ENV)
rx_SetStackSize(service, (48 * 1024));
#else
rx_SetStackSize(service, (32 * 1024));
#endif
if (rxkadDisableDotCheck) {
rx_SetSecurityConfiguration(service, RXS_CONFIG_FLAGS,
(void *)RXS_CONFIG_FLAGS_DISABLE_DOTCHECK);
}
service =
rx_NewService(0, RX_STATS_SERVICE_ID, "rpcstats", securityClasses,
numClasses, RXSTATS_ExecuteRequest);
if (service == (struct rx_service *)0)
Abort("rx_NewService");
rx_SetMinProcs(service, 2);
rx_SetMaxProcs(service, 4);
#ifdef AFS_PTHREAD_ENV
if (libafsosd) {
service =
rx_NewService(0, 7, "afsosd", securityClasses,
numClasses, (osdvolser->op_AFSVOLOSD_ExecuteRequest));
if (!service) {
ViceLog(0, ("Failed to initialize afsosd rpc service.\n"));
exit(-1);
}
rx_SetBeforeProc(service, MyBeforeProc);
rx_SetAfterProc(service, MyAfterProc);
rx_SetIdleDeadTime(service, 0); /* never timeout */
rx_SetMinProcs(service, 2);
if (lwps < 4)
lwps = 4;
rx_SetMaxProcs(service, lwps);
#if defined(AFS_XBSD_ENV)
rx_SetStackSize(service, (128 * 1024));
#elif defined(AFS_SGI_ENV)
rx_SetStackSize(service, (48 * 1024));
#else
rx_SetStackSize(service, (32 * 1024));
#endif
}
#endif /* AFS_PTHREAD_ENV */
LogCommandLine(argc, argv, "Volserver", VolserVersion, "Starting AFS",
Log);
FT_GetTimeOfDay(&statisticStart, 0);
if (afsconf_GetLatestKey(tdir, NULL, NULL) == 0) {
LogDesWarning();
}
if (TTsleep) {
Log("Will sleep %d second%s every %d second%s\n", TTsleep,
(TTsleep > 1) ? "s" : "", TTrun + TTsleep,
(TTrun + TTsleep > 1) ? "s" : "");
}
/* allow super users to manage RX statistics */
/* allow super users to manage RX statistics */
rx_SetRxStatUserOk(vol_rxstat_userok);
rx_StartServer(1); /* Donate this process to the server process pool */
osi_audit(VS_FinishEvent, (-1), AUD_END);
Abort("StartServer returned?");
return 0; /* not reached */
}
static int
ParseArgs(int argc, char **argv) {
int code;
int optval;
char *optstring = NULL;
struct cmd_syndesc *opts;
char *sleepSpec = NULL;
char *sync_behavior = NULL;
char *restricted_query_parameter = NULL;
char *s2s_crypt_behavior = NULL;
opts = cmd_CreateSyntax(NULL, NULL, NULL, 0, NULL);
cmd_AddParmAtOffset(opts, OPT_log, "-log", CMD_FLAG, CMD_OPTIONAL,
"log vos users");
cmd_AddParmAtOffset(opts, OPT_rxbind, "-rxbind", CMD_FLAG, CMD_OPTIONAL,
"bind only to the primary interface");
cmd_AddParmAtOffset(opts, OPT_dotted, "-allow-dotted-principals", CMD_FLAG, CMD_OPTIONAL,
"permit Kerberos 5 principals with dots");
cmd_AddParmAtOffset(opts, OPT_debug, "-d", CMD_SINGLE, CMD_OPTIONAL,
"debug level");
cmd_AddParmAtOffset(opts, OPT_threads, "-p", CMD_SINGLE, CMD_OPTIONAL,
"number of threads");
cmd_AddParmAtOffset(opts, OPT_auditlog, "-auditlog", CMD_SINGLE,
CMD_OPTIONAL, "location of audit log");
cmd_AddParmAtOffset(opts, OPT_audit_interface, "-audit-interface",
CMD_SINGLE, CMD_OPTIONAL, "interface to use for audit logging");
cmd_AddParmAtOffset(opts, OPT_nojumbo, "-nojumbo", CMD_FLAG, CMD_OPTIONAL,
"disable jumbograms");
cmd_AddParmAtOffset(opts, OPT_jumbo, "-jumbo", CMD_FLAG, CMD_OPTIONAL,
"enable jumbograms");
cmd_AddParmAtOffset(opts, OPT_rxmaxmtu, "-rxmaxmtu", CMD_SINGLE,
CMD_OPTIONAL, "maximum MTU for RX");
cmd_AddParmAtOffset(opts, OPT_udpsize, "-udpsize", CMD_SINGLE,
CMD_OPTIONAL, "size of socket buffer in bytes");
cmd_AddParmAtOffset(opts, OPT_sleep, "-sleep", CMD_SINGLE,
CMD_OPTIONAL, "make background daemon sleep (LWP only)");
cmd_AddParmAtOffset(opts, OPT_peer, "-enable_peer_stats", CMD_FLAG,
CMD_OPTIONAL, "enable RX transport statistics");
cmd_AddParmAtOffset(opts, OPT_process, "-enable_process_stats", CMD_FLAG,
CMD_OPTIONAL, "enable RX RPC statistics");
/* -preserve-vol-stats on by default now. */
cmd_AddParmAtOffset(opts, OPT_preserve_vol_stats, "-preserve-vol-stats", CMD_FLAG,
CMD_OPTIONAL|CMD_HIDDEN,
"preserve volume statistics when restoring/recloning");
cmd_AddParmAtOffset(opts, OPT_clear_vol_stats, "-clear-vol-stats", CMD_FLAG,
CMD_OPTIONAL, "clear volume statistics when restoring/recloning");
#ifdef HAVE_SYSLOG
cmd_AddParmAtOffset(opts, OPT_syslog, "-syslog", CMD_SINGLE_OR_FLAG,
CMD_OPTIONAL, "log to syslog");
#endif
cmd_AddParmAtOffset(opts, OPT_transarc_logs, "-transarc-logs", CMD_FLAG,
CMD_OPTIONAL, "enable Transarc style logging");
cmd_AddParmAtOffset(opts, OPT_sync, "-sync",
CMD_SINGLE, CMD_OPTIONAL, "always | onclose | never");
cmd_AddParmAtOffset(opts, OPT_logfile, "-logfile", CMD_SINGLE,
CMD_OPTIONAL, "location of log file");
cmd_AddParmAtOffset(opts, OPT_config, "-config", CMD_SINGLE,
CMD_OPTIONAL, "configuration location");
cmd_AddParmAtOffset(opts, OPT_restricted_query, "-restricted_query",
CMD_SINGLE, CMD_OPTIONAL, "anyuser | admin");
cmd_AddParmAtOffset(opts, OPT_s2s_crypt, "-s2scrypt",
CMD_SINGLE, CMD_OPTIONAL, "always | inherit | never");
code = cmd_Parse(argc, argv, &opts);
if (code == CMD_HELP) {
exit(0);
}
if (code)
return 1;
cmd_OptionAsFlag(opts, OPT_log, &DoLogging);
cmd_OptionAsFlag(opts, OPT_rxbind, &rxBind);
cmd_OptionAsFlag(opts, OPT_dotted, &rxkadDisableDotCheck);
if (cmd_OptionPresent(opts, OPT_clear_vol_stats))
DoPreserveVolumeStats = 0;
if (cmd_OptionPresent(opts, OPT_peer))
rx_enablePeerRPCStats();
if (cmd_OptionPresent(opts, OPT_process))
rx_enableProcessRPCStats();
if (cmd_OptionPresent(opts, OPT_nojumbo))
rxJumbograms = 0;
if (cmd_OptionPresent(opts, OPT_jumbo))
rxJumbograms = 1;
#ifdef HAVE_SYSLOG
if (cmd_OptionPresent(opts, OPT_syslog)) {
if (cmd_OptionPresent(opts, OPT_logfile)) {
fprintf(stderr, "Invalid options: -syslog and -logfile are exclusive.\n");
return -1;
}
if (cmd_OptionPresent(opts, OPT_transarc_logs)) {
fprintf(stderr, "Invalid options: -syslog and -transarc-logs are exclusive.\n");
return -1;
}
logopts.lopt_dest = logDest_syslog;
logopts.lopt_facility = LOG_DAEMON;
logopts.lopt_tag = "volserver";
cmd_OptionAsInt(opts, OPT_syslog, &logopts.lopt_facility);
} else
#endif
{
logopts.lopt_dest = logDest_file;
if (cmd_OptionPresent(opts, OPT_transarc_logs)) {
logopts.lopt_rotateOnOpen = 1;
logopts.lopt_rotateStyle = logRotate_old;
}
if (cmd_OptionPresent(opts, OPT_logfile))
cmd_OptionAsString(opts, OPT_logfile, (char**)&logopts.lopt_filename);
else
logopts.lopt_filename = AFSDIR_SERVER_VOLSERLOG_FILEPATH;
}
cmd_OptionAsInt(opts, OPT_debug, &logopts.lopt_logLevel);
cmd_OptionAsInt(opts, OPT_rxmaxmtu, &rxMaxMTU);
if (cmd_OptionAsInt(opts, OPT_udpsize, &optval) == 0) {
if (optval < rx_GetMinUdpBufSize()) {
printf("Warning:udpsize %d is less than minimum %d; ignoring\n",
optval, rx_GetMinUdpBufSize());
} else
udpBufSize = optval;
}
cmd_OptionAsString(opts, OPT_auditlog, &auditFileName);
if (cmd_OptionAsString(opts, OPT_audit_interface, &optstring) == 0) {
if (osi_audit_interface(optstring)) {
printf("Invalid audit interface '%s'\n", optstring);
return -1;
}
free(optstring);
optstring = NULL;
}
if (cmd_OptionAsInt(opts, OPT_threads, &lwps) == 0) {
if (lwps > MAXLWP) {
printf("Warning: '-p %d' is too big; using %d instead\n", lwps, MAXLWP);
lwps = MAXLWP;
}
}
if (cmd_OptionAsString(opts, OPT_sleep, &sleepSpec) == 0) {
printf("Warning: -sleep option ignored; this option is obsolete\n");
}
if (cmd_OptionAsString(opts, OPT_sync, &sync_behavior) == 0) {
if (ih_SetSyncBehavior(sync_behavior)) {
printf("Invalid -sync value %s\n", sync_behavior);
return -1;
}
}
cmd_OptionAsString(opts, OPT_config, &configDir);
if (cmd_OptionAsString(opts, OPT_restricted_query,
&restricted_query_parameter) == 0) {
if (strcmp(restricted_query_parameter, "anyuser") == 0)
restrictedQueryLevel = RESTRICTED_QUERY_ANYUSER;
else if (strcmp(restricted_query_parameter, "admin") == 0)
restrictedQueryLevel = RESTRICTED_QUERY_ADMIN;
else {
printf("invalid argument for -restricted_query: %s\n",
restricted_query_parameter);
return -1;
}
free(restricted_query_parameter);
}
if (cmd_OptionAsString(opts, OPT_s2s_crypt, &s2s_crypt_behavior) == 0) {
if (strcmp(s2s_crypt_behavior, "always") == 0)
doCrypt = VS2SC_ALWAYS;
else if (strcmp(s2s_crypt_behavior, "never") == 0)
doCrypt = VS2SC_NEVER;
else if (strcmp(s2s_crypt_behavior, "inherit") == 0)
doCrypt = VS2SC_INHERIT;
else {
printf("invalid argument for -s2scrypt: %s\n", s2s_crypt_behavior);
return -1;
}
free(s2s_crypt_behavior);
}
return 0;
}