static void
start_server(int master)
{
char principal[MAXHOSTNAMELEN + 5];
struct nfsd_nfsd_args nfsdargs;
int status, error;
char hostname[MAXHOSTNAMELEN + 1], *cp;
struct addrinfo *aip, hints;
status = 0;
gethostname(hostname, sizeof (hostname));
snprintf(principal, sizeof (principal), "nfs@%s", hostname);
if ((cp = strchr(hostname, '.')) == NULL ||
*(cp + 1) == '\0') {
/* If not fully qualified, try getaddrinfo() */
memset((void *)&hints, 0, sizeof (hints));
hints.ai_flags = AI_CANONNAME;
error = getaddrinfo(hostname, NULL, &hints, &aip);
if (error == 0) {
if (aip->ai_canonname != NULL &&
(cp = strchr(aip->ai_canonname, '.')) !=
NULL && *(cp + 1) != '\0')
snprintf(principal, sizeof (principal),
"nfs@%s", aip->ai_canonname);
freeaddrinfo(aip);
}
}
nfsdargs.principal = principal;
if (nfsdcnt_set)
nfsdargs.minthreads = nfsdargs.maxthreads = nfsdcnt;
else {
nfsdargs.minthreads = minthreads_set ? minthreads : get_tuned_nfsdcount();
nfsdargs.maxthreads = maxthreads_set ? maxthreads : nfsdargs.minthreads;
if (nfsdargs.maxthreads < nfsdargs.minthreads)
nfsdargs.maxthreads = nfsdargs.minthreads;
}
error = nfssvc(nfssvc_nfsd, &nfsdargs);
if (error < 0 && errno == EAUTH) {
/*
* This indicates that it could not register the
* rpcsec_gss credentials, usually because the
* gssd daemon isn't running.
* (only the experimental server with nfsv4)
*/
syslog(LOG_ERR, "No gssd, using AUTH_SYS only");
principal[0] = '\0';
error = nfssvc(nfssvc_nfsd, &nfsdargs);
}
if (error < 0) {
syslog(LOG_ERR, "nfssvc: %m");
status = 1;
}
if (master)
nfsd_exit(status);
else
exit(status);
}
/*
* cleanup_term() called via SIGUSR1.
*/
static void
cleanup_term(int signo __unused)
{
int i, cnt;
if (im_a_slave)
exit(0);
/*
* Ok, so I'm the master.
* As the Governor of California might say, "Terminate them".
*/
cnt = 0;
for (i = 0; i < nfsuserdcnt; i++) {
if (slaves[i] != (pid_t)-1) {
cnt++;
kill(slaves[i], SIGUSR1);
}
}
/*
* and wait for them to die
*/
for (i = 0; i < cnt; i++)
wait3(NULL, 0, NULL);
/*
* Finally, get rid of the socket
*/
if (nfssvc(NFSSVC_NFSUSERDDELPORT, NULL) < 0) {
syslog(LOG_ERR, "Can't do nfssvc() to delete the port\n");
exit(1);
}
exit(0);
}
/*
* Dump the lock state for a file.
*/
static void
dump_lockstate(char *fname)
{
struct nfsd_dumplocklist dumplocklist;
int cnt, i;
dumplocklist.ndllck_size = DUMPSIZE;
dumplocklist.ndllck_list = (void *)lp;
dumplocklist.ndllck_fname = fname;
if (nfssvc(NFSSVC_DUMPLOCKS, &dumplocklist) < 0)
errx(1, "Can't dump locks for %s\n", fname);
printf("%-11s %-36s %-15s %s\n",
"Open/Lock",
" Stateid or Lock Range",
"Clientaddr",
"Owner and ClientID");
/*
* Loop through results, printing them out.
*/
cnt = 0;
while (lp[cnt].ndlck_clid.nclid_idlen > 0 && cnt < DUMPSIZE) {
if (lp[cnt].ndlck_flags & NFSLCK_OPEN)
printf("%-11s %9d %08x %08x %08x ",
open_flags(lp[cnt].ndlck_flags),
lp[cnt].ndlck_stateid.seqid,
lp[cnt].ndlck_stateid.other[0],
lp[cnt].ndlck_stateid.other[1],
lp[cnt].ndlck_stateid.other[2]);
else if (lp[cnt].ndlck_flags & (NFSLCK_DELEGREAD |
NFSLCK_DELEGWRITE))
printf("%-11s %9d %08x %08x %08x ",
deleg_flags(lp[cnt].ndlck_flags),
lp[cnt].ndlck_stateid.seqid,
lp[cnt].ndlck_stateid.other[0],
lp[cnt].ndlck_stateid.other[1],
lp[cnt].ndlck_stateid.other[2]);
else
printf("%-11s %17jd %17jd ",
lock_flags(lp[cnt].ndlck_flags),
lp[cnt].ndlck_first,
lp[cnt].ndlck_end);
if (lp[cnt].ndlck_addrfam == AF_INET)
printf("%-15s ",
inet_ntoa(lp[cnt].ndlck_cbaddr.sin_addr));
else
printf("%-15s ", " ");
for (i = 0; i < lp[cnt].ndlck_owner.nclid_idlen; i++)
printf("%02x", lp[cnt].ndlck_owner.nclid_id[i]);
printf(" ");
for (i = 0; i < lp[cnt].ndlck_clid.nclid_idlen; i++)
printf("%02x", lp[cnt].ndlck_clid.nclid_id[i]);
printf("\n");
cnt++;
}
}
int
main(int argc, char **argv)
{
char *cp;
u_char val;
int cnt, even;
struct nfsd_clid revoke_handle;
if (modfind("nfsd") < 0)
errx(1, "nfsd not loaded - self terminating");
if (argc != 2)
usage();
cnt = 0;
cp = argv[1];
if (strlen(cp) % 2)
even = 0;
else
even = 1;
val = 0;
while (*cp) {
if (*cp >= '0' && *cp <= '9')
val += (u_char)(*cp - '0');
else if (*cp >= 'A' && *cp <= 'F')
val += ((u_char)(*cp - 'A')) + 0xa;
else if (*cp >= 'a' && *cp <= 'f')
val += ((u_char)(*cp - 'a')) + 0xa;
else
errx(1, "Non hexadecimal digit in %s", argv[1]);
if (even) {
val <<= 4;
even = 0;
} else {
revoke_handle.nclid_id[cnt++] = val;
if (cnt > NFSV4_OPAQUELIMIT)
errx(1, "Clientid %s, loo long", argv[1]);
val = 0;
even = 1;
}
cp++;
}
/*
* Do the revocation system call.
*/
revoke_handle.nclid_idlen = cnt;
#ifdef DEBUG
printf("Idlen=%d\n", revoke_handle.nclid_idlen);
for (cnt = 0; cnt < revoke_handle.nclid_idlen; cnt++)
printf("%02x", revoke_handle.nclid_id[cnt]);
printf("\n");
#else
if (nfssvc(NFSSVC_ADMINREVOKE, &revoke_handle) < 0)
err(1, "Admin revoke failed");
#endif
}
void
start_server(int master)
{
int status;
status = 0;
nsd.nsd_nfsd = NULL;
if (nfssvc(NFSSVC_NFSD, &nsd) < 0) {
syslog(LOG_ERR, "nfssvc: %m");
status = 1;
}
if (master)
nfsd_exit(status);
else
exit(status);
}
static void *
worker(void *dummy)
{
struct nfsd_srvargs nsd;
int nfssvc_flag;
pthread_setname_np(pthread_self(), "slave", NULL);
nfssvc_flag = NFSSVC_NFSD;
memset(&nsd, 0, sizeof(nsd));
while (nfssvc(nfssvc_flag, &nsd) < 0) {
if (errno != ENEEDAUTH) {
logit(LOG_ERR, "nfssvc: %s", strerror(errno));
exit(1);
}
nfssvc_flag = NFSSVC_NFSD | NFSSVC_AUTHINFAIL;
}
return NULL;
}
/*
* Dump all open/lock state.
*/
static void
dump_openstate(void)
{
struct nfsd_dumplist dumplist;
int cnt, i;
dumplist.ndl_size = DUMPSIZE;
dumplist.ndl_list = (void *)dp;
if (nfssvc(NFSSVC_DUMPCLIENTS, &dumplist) < 0)
errx(1, "Can't perform dump clients syscall");
printf("%-13s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %-15s %s\n",
"Flags", "OpenOwner", "Open", "LockOwner",
"Lock", "Deleg", "OldDeleg", "Clientaddr", "ClientID");
/*
* Loop through results, printing them out.
*/
cnt = 0;
while (dp[cnt].ndcl_clid.nclid_idlen > 0 && cnt < DUMPSIZE) {
printf("%-13s ", client_flags(dp[cnt].ndcl_flags));
printf("%9d %9d %9d %9d %9d %9d ",
dp[cnt].ndcl_nopenowners,
dp[cnt].ndcl_nopens,
dp[cnt].ndcl_nlockowners,
dp[cnt].ndcl_nlocks,
dp[cnt].ndcl_ndelegs,
dp[cnt].ndcl_nolddelegs);
if (dp[cnt].ndcl_addrfam == AF_INET)
printf("%-15s ",
inet_ntoa(dp[cnt].ndcl_cbaddr.sin_addr));
for (i = 0; i < dp[cnt].ndcl_clid.nclid_idlen; i++)
printf("%02x", dp[cnt].ndcl_clid.nclid_id[i]);
printf("\n");
cnt++;
}
}
/*
* Nfs server daemon mostly just a user context for nfssvc()
*
* 1 - do file descriptor and signal cleanup
* 2 - fork the nfsd(s)
* 3 - create server socket(s)
* 4 - register socket with rpcbind
*
* For connectionless protocols, just pass the socket into the kernel via.
* nfssvc().
* For connection based sockets, loop doing accepts. When you get a new
* socket from accept, pass the msgsock into the kernel via. nfssvc().
* The arguments are:
* -r - reregister with rpcbind
* -d - unregister with rpcbind
* -t - support tcp nfs clients
* -u - support udp nfs clients
* -e - forces it to run a server that supports nfsv4
* followed by "n" which is the number of nfsds' to fork off
*/
int
main(int argc, char **argv)
{
struct nfsd_addsock_args addsockargs;
struct addrinfo *ai_udp, *ai_tcp, *ai_udp6, *ai_tcp6, hints;
struct netconfig *nconf_udp, *nconf_tcp, *nconf_udp6, *nconf_tcp6;
struct netbuf nb_udp, nb_tcp, nb_udp6, nb_tcp6;
struct sockaddr_in inetpeer;
struct sockaddr_in6 inet6peer;
fd_set ready, sockbits;
fd_set v4bits, v6bits;
int ch, connect_type_cnt, i, maxsock, msgsock;
socklen_t len;
int on = 1, unregister, reregister, sock;
int tcp6sock, ip6flag, tcpflag, tcpsock;
int udpflag, ecode, error, s;
int bindhostc, bindanyflag, rpcbreg, rpcbregcnt;
int nfssvc_addsock;
int longindex = 0;
const char *lopt;
char **bindhost = NULL;
pid_t pid;
nfsdcnt = DEFNFSDCNT;
unregister = reregister = tcpflag = maxsock = 0;
bindanyflag = udpflag = connect_type_cnt = bindhostc = 0;
getopt_shortopts = "ah:n:rdtue";
getopt_usage =
"usage:\n"
" nfsd [-ardtue] [-h bindip]\n"
" [-n numservers] [--minthreads #] [--maxthreads #]\n";
while ((ch = getopt_long(argc, argv, getopt_shortopts, longopts,
&longindex)) != -1)
switch (ch) {
case 'a':
bindanyflag = 1;
break;
case 'n':
set_nfsdcnt(atoi(optarg));
break;
case 'h':
bindhostc++;
bindhost = realloc(bindhost,sizeof(char *)*bindhostc);
if (bindhost == NULL)
errx(1, "Out of memory");
bindhost[bindhostc-1] = strdup(optarg);
if (bindhost[bindhostc-1] == NULL)
errx(1, "Out of memory");
break;
case 'r':
reregister = 1;
break;
case 'd':
unregister = 1;
break;
case 't':
tcpflag = 1;
break;
case 'u':
udpflag = 1;
break;
case 'e':
/* now a no-op, since this is the default */
break;
case 0:
lopt = longopts[longindex].name;
if (!strcmp(lopt, "minthreads")) {
minthreads = atoi(optarg);
} else if (!strcmp(lopt, "maxthreads")) {
maxthreads = atoi(optarg);
}
break;
default:
case '?':
usage();
}
if (!tcpflag && !udpflag)
udpflag = 1;
argv += optind;
argc -= optind;
if (minthreads_set && maxthreads_set && minthreads > maxthreads)
errx(EX_USAGE,
"error: minthreads(%d) can't be greater than "
"maxthreads(%d)", minthreads, maxthreads);
/*
* XXX
* Backward compatibility, trailing number is the count of daemons.
*/
if (argc > 1)
usage();
if (argc == 1)
set_nfsdcnt(atoi(argv[0]));
/*
* Unless the "-o" option was specified, try and run "nfsd".
* If "-o" was specified, try and run "nfsserver".
*/
if (modfind("nfsd") < 0) {
/* Not present in kernel, try loading it */
if (kldload("nfsd") < 0 || modfind("nfsd") < 0)
errx(1, "NFS server is not available");
}
ip6flag = 1;
s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
if (s == -1) {
if (errno != EPROTONOSUPPORT && errno != EAFNOSUPPORT)
err(1, "socket");
ip6flag = 0;
} else if (getnetconfigent("udp6") == NULL ||
getnetconfigent("tcp6") == NULL) {
ip6flag = 0;
}
if (s != -1)
close(s);
if (bindhostc == 0 || bindanyflag) {
bindhostc++;
bindhost = realloc(bindhost,sizeof(char *)*bindhostc);
if (bindhost == NULL)
errx(1, "Out of memory");
bindhost[bindhostc-1] = strdup("*");
if (bindhost[bindhostc-1] == NULL)
errx(1, "Out of memory");
}
if (unregister) {
unregistration();
exit (0);
}
if (reregister) {
if (udpflag) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
ecode = getaddrinfo(NULL, "nfs", &hints, &ai_udp);
if (ecode != 0)
err(1, "getaddrinfo udp: %s", gai_strerror(ecode));
nconf_udp = getnetconfigent("udp");
if (nconf_udp == NULL)
err(1, "getnetconfigent udp failed");
nb_udp.buf = ai_udp->ai_addr;
nb_udp.len = nb_udp.maxlen = ai_udp->ai_addrlen;
if ((!rpcb_set(NFS_PROGRAM, 2, nconf_udp, &nb_udp)) ||
(!rpcb_set(NFS_PROGRAM, 3, nconf_udp, &nb_udp)))
err(1, "rpcb_set udp failed");
freeaddrinfo(ai_udp);
}
if (udpflag && ip6flag) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
ecode = getaddrinfo(NULL, "nfs", &hints, &ai_udp6);
if (ecode != 0)
err(1, "getaddrinfo udp6: %s", gai_strerror(ecode));
nconf_udp6 = getnetconfigent("udp6");
if (nconf_udp6 == NULL)
err(1, "getnetconfigent udp6 failed");
nb_udp6.buf = ai_udp6->ai_addr;
nb_udp6.len = nb_udp6.maxlen = ai_udp6->ai_addrlen;
if ((!rpcb_set(NFS_PROGRAM, 2, nconf_udp6, &nb_udp6)) ||
(!rpcb_set(NFS_PROGRAM, 3, nconf_udp6, &nb_udp6)))
err(1, "rpcb_set udp6 failed");
freeaddrinfo(ai_udp6);
}
if (tcpflag) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
ecode = getaddrinfo(NULL, "nfs", &hints, &ai_tcp);
if (ecode != 0)
err(1, "getaddrinfo tcp: %s", gai_strerror(ecode));
nconf_tcp = getnetconfigent("tcp");
if (nconf_tcp == NULL)
err(1, "getnetconfigent tcp failed");
nb_tcp.buf = ai_tcp->ai_addr;
nb_tcp.len = nb_tcp.maxlen = ai_tcp->ai_addrlen;
if ((!rpcb_set(NFS_PROGRAM, 2, nconf_tcp, &nb_tcp)) ||
(!rpcb_set(NFS_PROGRAM, 3, nconf_tcp, &nb_tcp)))
err(1, "rpcb_set tcp failed");
freeaddrinfo(ai_tcp);
}
if (tcpflag && ip6flag) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
ecode = getaddrinfo(NULL, "nfs", &hints, &ai_tcp6);
if (ecode != 0)
err(1, "getaddrinfo tcp6: %s", gai_strerror(ecode));
nconf_tcp6 = getnetconfigent("tcp6");
if (nconf_tcp6 == NULL)
err(1, "getnetconfigent tcp6 failed");
nb_tcp6.buf = ai_tcp6->ai_addr;
nb_tcp6.len = nb_tcp6.maxlen = ai_tcp6->ai_addrlen;
if ((!rpcb_set(NFS_PROGRAM, 2, nconf_tcp6, &nb_tcp6)) ||
(!rpcb_set(NFS_PROGRAM, 3, nconf_tcp6, &nb_tcp6)))
err(1, "rpcb_set tcp6 failed");
freeaddrinfo(ai_tcp6);
}
exit (0);
}
if (debug == 0) {
daemon(0, 0);
(void)signal(SIGHUP, SIG_IGN);
(void)signal(SIGINT, SIG_IGN);
/*
* nfsd sits in the kernel most of the time. It needs
* to ignore SIGTERM/SIGQUIT in order to stay alive as long
* as possible during a shutdown, otherwise loopback
* mounts will not be able to unmount.
*/
(void)signal(SIGTERM, SIG_IGN);
(void)signal(SIGQUIT, SIG_IGN);
}
(void)signal(SIGSYS, nonfs);
(void)signal(SIGCHLD, reapchild);
(void)signal(SIGUSR2, backup_stable);
openlog("nfsd", LOG_PID | (debug ? LOG_PERROR : 0), LOG_DAEMON);
/*
* For V4, we open the stablerestart file and call nfssvc()
* to get it loaded. This is done before the daemons do the
* regular nfssvc() call to service NFS requests.
* (This way the file remains open until the last nfsd is killed
* off.)
* It and the backup copy will be created as empty files
* the first time this nfsd is started and should never be
* deleted/replaced if at all possible. It should live on a
* local, non-volatile storage device that does not do hardware
* level write-back caching. (See SCSI doc for more information
* on how to prevent write-back caching on SCSI disks.)
*/
open_stable(&stablefd, &backupfd);
if (stablefd < 0) {
syslog(LOG_ERR, "Can't open %s: %m\n", NFSD_STABLERESTART);
exit(1);
}
/* This system call will fail for old kernels, but that's ok. */
nfssvc(NFSSVC_BACKUPSTABLE, NULL);
if (nfssvc(NFSSVC_STABLERESTART, (caddr_t)&stablefd) < 0) {
syslog(LOG_ERR, "Can't read stable storage file: %m\n");
exit(1);
}
nfssvc_addsock = NFSSVC_NFSDADDSOCK;
nfssvc_nfsd = NFSSVC_NFSDNFSD;
if (tcpflag) {
/*
* For TCP mode, we fork once to start the first
* kernel nfsd thread. The kernel will add more
* threads as needed.
*/
pid = fork();
if (pid == -1) {
syslog(LOG_ERR, "fork: %m");
nfsd_exit(1);
}
if (pid) {
children[0] = pid;
} else {
(void)signal(SIGUSR1, child_cleanup);
setproctitle("server");
start_server(0);
}
}
(void)signal(SIGUSR1, cleanup);
FD_ZERO(&v4bits);
FD_ZERO(&v6bits);
FD_ZERO(&sockbits);
rpcbregcnt = 0;
/* Set up the socket for udp and rpcb register it. */
if (udpflag) {
rpcbreg = 0;
for (i = 0; i < bindhostc; i++) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
if (setbindhost(&ai_udp, bindhost[i], hints) == 0) {
rpcbreg = 1;
rpcbregcnt++;
if ((sock = socket(ai_udp->ai_family,
ai_udp->ai_socktype,
ai_udp->ai_protocol)) < 0) {
syslog(LOG_ERR,
"can't create udp socket");
nfsd_exit(1);
}
if (bind(sock, ai_udp->ai_addr,
ai_udp->ai_addrlen) < 0) {
syslog(LOG_ERR,
"can't bind udp addr %s: %m",
bindhost[i]);
nfsd_exit(1);
}
freeaddrinfo(ai_udp);
addsockargs.sock = sock;
addsockargs.name = NULL;
addsockargs.namelen = 0;
if (nfssvc(nfssvc_addsock, &addsockargs) < 0) {
syslog(LOG_ERR, "can't Add UDP socket");
nfsd_exit(1);
}
(void)close(sock);
}
}
if (rpcbreg == 1) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
ecode = getaddrinfo(NULL, "nfs", &hints, &ai_udp);
if (ecode != 0) {
syslog(LOG_ERR, "getaddrinfo udp: %s",
gai_strerror(ecode));
nfsd_exit(1);
}
nconf_udp = getnetconfigent("udp");
if (nconf_udp == NULL)
err(1, "getnetconfigent udp failed");
nb_udp.buf = ai_udp->ai_addr;
nb_udp.len = nb_udp.maxlen = ai_udp->ai_addrlen;
if ((!rpcb_set(NFS_PROGRAM, 2, nconf_udp, &nb_udp)) ||
(!rpcb_set(NFS_PROGRAM, 3, nconf_udp, &nb_udp)))
err(1, "rpcb_set udp failed");
freeaddrinfo(ai_udp);
}
}
/* Set up the socket for udp6 and rpcb register it. */
if (udpflag && ip6flag) {
rpcbreg = 0;
for (i = 0; i < bindhostc; i++) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
if (setbindhost(&ai_udp6, bindhost[i], hints) == 0) {
rpcbreg = 1;
rpcbregcnt++;
if ((sock = socket(ai_udp6->ai_family,
ai_udp6->ai_socktype,
ai_udp6->ai_protocol)) < 0) {
syslog(LOG_ERR,
"can't create udp6 socket");
nfsd_exit(1);
}
if (setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY,
&on, sizeof on) < 0) {
syslog(LOG_ERR,
"can't set v6-only binding for "
"udp6 socket: %m");
nfsd_exit(1);
}
if (bind(sock, ai_udp6->ai_addr,
ai_udp6->ai_addrlen) < 0) {
syslog(LOG_ERR,
"can't bind udp6 addr %s: %m",
bindhost[i]);
nfsd_exit(1);
}
freeaddrinfo(ai_udp6);
addsockargs.sock = sock;
addsockargs.name = NULL;
addsockargs.namelen = 0;
if (nfssvc(nfssvc_addsock, &addsockargs) < 0) {
syslog(LOG_ERR,
"can't add UDP6 socket");
nfsd_exit(1);
}
(void)close(sock);
}
}
if (rpcbreg == 1) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
ecode = getaddrinfo(NULL, "nfs", &hints, &ai_udp6);
if (ecode != 0) {
syslog(LOG_ERR, "getaddrinfo udp6: %s",
gai_strerror(ecode));
nfsd_exit(1);
}
nconf_udp6 = getnetconfigent("udp6");
if (nconf_udp6 == NULL)
err(1, "getnetconfigent udp6 failed");
nb_udp6.buf = ai_udp6->ai_addr;
nb_udp6.len = nb_udp6.maxlen = ai_udp6->ai_addrlen;
if ((!rpcb_set(NFS_PROGRAM, 2, nconf_udp6, &nb_udp6)) ||
(!rpcb_set(NFS_PROGRAM, 3, nconf_udp6, &nb_udp6)))
err(1, "rpcb_set udp6 failed");
freeaddrinfo(ai_udp6);
}
}
/* Set up the socket for tcp and rpcb register it. */
if (tcpflag) {
rpcbreg = 0;
for (i = 0; i < bindhostc; i++) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
if (setbindhost(&ai_tcp, bindhost[i], hints) == 0) {
rpcbreg = 1;
rpcbregcnt++;
if ((tcpsock = socket(AF_INET, SOCK_STREAM,
0)) < 0) {
syslog(LOG_ERR,
"can't create tcp socket");
nfsd_exit(1);
}
if (setsockopt(tcpsock, SOL_SOCKET,
SO_REUSEADDR,
(char *)&on, sizeof(on)) < 0)
syslog(LOG_ERR,
"setsockopt SO_REUSEADDR: %m");
if (bind(tcpsock, ai_tcp->ai_addr,
ai_tcp->ai_addrlen) < 0) {
syslog(LOG_ERR,
"can't bind tcp addr %s: %m",
bindhost[i]);
nfsd_exit(1);
}
if (listen(tcpsock, -1) < 0) {
syslog(LOG_ERR, "listen failed");
nfsd_exit(1);
}
freeaddrinfo(ai_tcp);
FD_SET(tcpsock, &sockbits);
FD_SET(tcpsock, &v4bits);
maxsock = tcpsock;
connect_type_cnt++;
}
}
if (rpcbreg == 1) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
ecode = getaddrinfo(NULL, "nfs", &hints,
&ai_tcp);
if (ecode != 0) {
syslog(LOG_ERR, "getaddrinfo tcp: %s",
gai_strerror(ecode));
nfsd_exit(1);
}
nconf_tcp = getnetconfigent("tcp");
if (nconf_tcp == NULL)
err(1, "getnetconfigent tcp failed");
nb_tcp.buf = ai_tcp->ai_addr;
nb_tcp.len = nb_tcp.maxlen = ai_tcp->ai_addrlen;
if ((!rpcb_set(NFS_PROGRAM, 2, nconf_tcp,
&nb_tcp)) || (!rpcb_set(NFS_PROGRAM, 3,
nconf_tcp, &nb_tcp)))
err(1, "rpcb_set tcp failed");
freeaddrinfo(ai_tcp);
}
}
/* Set up the socket for tcp6 and rpcb register it. */
if (tcpflag && ip6flag) {
rpcbreg = 0;
for (i = 0; i < bindhostc; i++) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
if (setbindhost(&ai_tcp6, bindhost[i], hints) == 0) {
rpcbreg = 1;
rpcbregcnt++;
if ((tcp6sock = socket(ai_tcp6->ai_family,
ai_tcp6->ai_socktype,
ai_tcp6->ai_protocol)) < 0) {
syslog(LOG_ERR,
"can't create tcp6 socket");
nfsd_exit(1);
}
if (setsockopt(tcp6sock, SOL_SOCKET,
SO_REUSEADDR,
(char *)&on, sizeof(on)) < 0)
syslog(LOG_ERR,
"setsockopt SO_REUSEADDR: %m");
if (setsockopt(tcp6sock, IPPROTO_IPV6,
IPV6_V6ONLY, &on, sizeof on) < 0) {
syslog(LOG_ERR,
"can't set v6-only binding for tcp6 "
"socket: %m");
nfsd_exit(1);
}
if (bind(tcp6sock, ai_tcp6->ai_addr,
ai_tcp6->ai_addrlen) < 0) {
syslog(LOG_ERR,
"can't bind tcp6 addr %s: %m",
bindhost[i]);
nfsd_exit(1);
}
if (listen(tcp6sock, -1) < 0) {
syslog(LOG_ERR, "listen failed");
nfsd_exit(1);
}
freeaddrinfo(ai_tcp6);
FD_SET(tcp6sock, &sockbits);
FD_SET(tcp6sock, &v6bits);
if (maxsock < tcp6sock)
maxsock = tcp6sock;
connect_type_cnt++;
}
}
if (rpcbreg == 1) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
ecode = getaddrinfo(NULL, "nfs", &hints, &ai_tcp6);
if (ecode != 0) {
syslog(LOG_ERR, "getaddrinfo tcp6: %s",
gai_strerror(ecode));
nfsd_exit(1);
}
nconf_tcp6 = getnetconfigent("tcp6");
if (nconf_tcp6 == NULL)
err(1, "getnetconfigent tcp6 failed");
nb_tcp6.buf = ai_tcp6->ai_addr;
nb_tcp6.len = nb_tcp6.maxlen = ai_tcp6->ai_addrlen;
if ((!rpcb_set(NFS_PROGRAM, 2, nconf_tcp6, &nb_tcp6)) ||
(!rpcb_set(NFS_PROGRAM, 3, nconf_tcp6, &nb_tcp6)))
err(1, "rpcb_set tcp6 failed");
freeaddrinfo(ai_tcp6);
}
}
if (rpcbregcnt == 0) {
syslog(LOG_ERR, "rpcb_set() failed, nothing to do: %m");
nfsd_exit(1);
}
if (tcpflag && connect_type_cnt == 0) {
syslog(LOG_ERR, "tcp connects == 0, nothing to do: %m");
nfsd_exit(1);
}
setproctitle("master");
/*
* We always want a master to have a clean way to to shut nfsd down
* (with unregistration): if the master is killed, it unregisters and
* kills all children. If we run for UDP only (and so do not have to
* loop waiting waiting for accept), we instead make the parent
* a "server" too. start_server will not return.
*/
if (!tcpflag)
start_server(1);
/*
* Loop forever accepting connections and passing the sockets
* into the kernel for the mounts.
*/
for (;;) {
ready = sockbits;
if (connect_type_cnt > 1) {
if (select(maxsock + 1,
&ready, NULL, NULL, NULL) < 1) {
error = errno;
if (error == EINTR)
continue;
syslog(LOG_ERR, "select failed: %m");
nfsd_exit(1);
}
}
for (tcpsock = 0; tcpsock <= maxsock; tcpsock++) {
if (FD_ISSET(tcpsock, &ready)) {
if (FD_ISSET(tcpsock, &v4bits)) {
len = sizeof(inetpeer);
if ((msgsock = accept(tcpsock,
(struct sockaddr *)&inetpeer, &len)) < 0) {
error = errno;
syslog(LOG_ERR, "accept failed: %m");
if (error == ECONNABORTED ||
error == EINTR)
continue;
nfsd_exit(1);
}
memset(inetpeer.sin_zero, 0,
sizeof(inetpeer.sin_zero));
if (setsockopt(msgsock, SOL_SOCKET,
SO_KEEPALIVE, (char *)&on, sizeof(on)) < 0)
syslog(LOG_ERR,
"setsockopt SO_KEEPALIVE: %m");
addsockargs.sock = msgsock;
addsockargs.name = (caddr_t)&inetpeer;
addsockargs.namelen = len;
nfssvc(nfssvc_addsock, &addsockargs);
(void)close(msgsock);
} else if (FD_ISSET(tcpsock, &v6bits)) {
len = sizeof(inet6peer);
if ((msgsock = accept(tcpsock,
(struct sockaddr *)&inet6peer,
&len)) < 0) {
error = errno;
syslog(LOG_ERR,
"accept failed: %m");
if (error == ECONNABORTED ||
error == EINTR)
continue;
nfsd_exit(1);
}
if (setsockopt(msgsock, SOL_SOCKET,
SO_KEEPALIVE, (char *)&on,
sizeof(on)) < 0)
syslog(LOG_ERR, "setsockopt "
"SO_KEEPALIVE: %m");
addsockargs.sock = msgsock;
addsockargs.name = (caddr_t)&inet6peer;
addsockargs.namelen = len;
nfssvc(nfssvc_addsock, &addsockargs);
(void)close(msgsock);
}
}
}
}
}
int
main(int argc, char *argv[])
{
int i, j;
int error, fnd_dup, len, mustfreeai = 0, start_uidpos;
struct nfsd_idargs nid;
struct passwd *pwd;
struct group *grp;
int sock, one = 1;
SVCXPRT *udptransp;
u_short portnum;
sigset_t signew;
char hostname[MAXHOSTNAMELEN + 1], *cp;
struct addrinfo *aip, hints;
static uid_t check_dups[MAXUSERMAX];
if (modfind("nfscommon") < 0) {
/* Not present in kernel, try loading it */
if (kldload("nfscommon") < 0 ||
modfind("nfscommon") < 0)
errx(1, "Experimental nfs subsystem is not available");
}
/*
* First, figure out what our domain name and Kerberos Realm
* seem to be. Command line args may override these later.
*/
if (gethostname(hostname, MAXHOSTNAMELEN) == 0) {
if ((cp = strchr(hostname, '.')) != NULL &&
*(cp + 1) != '\0') {
dnsname = cp + 1;
} else {
memset((void *)&hints, 0, sizeof (hints));
hints.ai_flags = AI_CANONNAME;
error = getaddrinfo(hostname, NULL, &hints, &aip);
if (error == 0) {
if (aip->ai_canonname != NULL &&
(cp = strchr(aip->ai_canonname, '.')) != NULL
&& *(cp + 1) != '\0') {
dnsname = cp + 1;
mustfreeai = 1;
} else {
freeaddrinfo(aip);
}
}
}
}
nid.nid_usermax = DEFUSERMAX;
nid.nid_usertimeout = defusertimeout;
argc--;
argv++;
while (argc >= 1) {
if (!strcmp(*argv, "-domain")) {
if (argc == 1)
usage();
argc--;
argv++;
strncpy(hostname, *argv, MAXHOSTNAMELEN);
hostname[MAXHOSTNAMELEN] = '\0';
dnsname = hostname;
} else if (!strcmp(*argv, "-verbose")) {
verbose = 1;
} else if (!strcmp(*argv, "-force")) {
forcestart = 1;
} else if (!strcmp(*argv, "-usermax")) {
if (argc == 1)
usage();
argc--;
argv++;
i = atoi(*argv);
if (i < MINUSERMAX || i > MAXUSERMAX) {
fprintf(stderr,
"usermax %d out of range %d<->%d\n", i,
MINUSERMAX, MAXUSERMAX);
usage();
}
nid.nid_usermax = i;
} else if (!strcmp(*argv, "-usertimeout")) {
if (argc == 1)
usage();
argc--;
argv++;
i = atoi(*argv);
if (i < 0 || i > 100000) {
fprintf(stderr,
"usertimeout %d out of range 0<->100000\n",
i);
usage();
}
nid.nid_usertimeout = defusertimeout = i * 60;
} else if (nfsuserdcnt == -1) {
nfsuserdcnt = atoi(*argv);
if (nfsuserdcnt < 1)
usage();
if (nfsuserdcnt > MAXNFSUSERD) {
warnx("nfsuserd count %d; reset to %d",
nfsuserdcnt, DEFNFSUSERD);
nfsuserdcnt = DEFNFSUSERD;
}
} else {
usage();
}
argc--;
argv++;
}
if (nfsuserdcnt < 1)
nfsuserdcnt = DEFNFSUSERD;
/*
* Strip off leading and trailing '.'s in domain name and map
* alphabetics to lower case.
*/
while (*dnsname == '.')
dnsname++;
if (*dnsname == '\0')
errx(1, "Domain name all '.'");
len = strlen(dnsname);
cp = dnsname + len - 1;
while (*cp == '.') {
*cp = '\0';
len--;
cp--;
}
for (i = 0; i < len; i++) {
if (!isascii(dnsname[i]))
errx(1, "Domain name has non-ascii char");
if (isupper(dnsname[i]))
dnsname[i] = tolower(dnsname[i]);
}
/*
* If the nfsuserd died off ungracefully, this is necessary to
* get them to start again.
*/
if (forcestart && nfssvc(NFSSVC_NFSUSERDDELPORT, NULL) < 0)
errx(1, "Can't do nfssvc() to delete the port");
if (verbose)
fprintf(stderr,
"nfsuserd: domain=%s usermax=%d usertimeout=%d\n",
dnsname, nid.nid_usermax, nid.nid_usertimeout);
for (i = 0; i < nfsuserdcnt; i++)
slaves[i] = (pid_t)-1;
/*
* Set up the service port to accept requests via UDP from
* localhost (127.0.0.1).
*/
if ((sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0)
err(1, "cannot create udp socket");
/*
* Not sure what this does, so I'll leave it here for now.
*/
setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
if ((udptransp = svcudp_create(sock)) == NULL)
err(1, "Can't set up socket");
/*
* By not specifying a protocol, it is linked into the
* dispatch queue, but not registered with portmapper,
* which is just what I want.
*/
if (!svc_register(udptransp, RPCPROG_NFSUSERD, RPCNFSUSERD_VERS,
nfsuserdsrv, 0))
err(1, "Can't register nfsuserd");
/*
* Tell the kernel what my port# is.
*/
portnum = htons(udptransp->xp_port);
#ifdef DEBUG
printf("portnum=0x%x\n", portnum);
#else
if (nfssvc(NFSSVC_NFSUSERDPORT, (caddr_t)&portnum) < 0) {
if (errno == EPERM) {
fprintf(stderr,
"Can't start nfsuserd when already running");
fprintf(stderr,
" If not running, use the -force option.\n");
} else {
fprintf(stderr, "Can't do nfssvc() to add port\n");
}
exit(1);
}
#endif
pwd = getpwnam(defaultuser);
if (pwd)
nid.nid_uid = pwd->pw_uid;
else
nid.nid_uid = defaultuid;
grp = getgrnam(defaultgroup);
if (grp)
nid.nid_gid = grp->gr_gid;
else
nid.nid_gid = defaultgid;
nid.nid_name = dnsname;
nid.nid_namelen = strlen(nid.nid_name);
nid.nid_flag = NFSID_INITIALIZE;
#ifdef DEBUG
printf("Initialize uid=%d gid=%d dns=%s\n", nid.nid_uid, nid.nid_gid,
nid.nid_name);
#else
error = nfssvc(NFSSVC_IDNAME, &nid);
if (error)
errx(1, "Can't initialize nfs user/groups");
#endif
i = 0;
/*
* Loop around adding all groups.
*/
setgrent();
while (i < nid.nid_usermax && (grp = getgrent())) {
nid.nid_gid = grp->gr_gid;
nid.nid_name = grp->gr_name;
nid.nid_namelen = strlen(grp->gr_name);
nid.nid_flag = NFSID_ADDGID;
#ifdef DEBUG
printf("add gid=%d name=%s\n", nid.nid_gid, nid.nid_name);
#else
error = nfssvc(NFSSVC_IDNAME, &nid);
if (error)
errx(1, "Can't add group %s", grp->gr_name);
#endif
i++;
}
/*
* Loop around adding all users.
*/
start_uidpos = i;
setpwent();
while (i < nid.nid_usermax && (pwd = getpwent())) {
fnd_dup = 0;
/*
* Yes, this is inefficient, but it is only done once when
* the daemon is started and will run in a fraction of a second
* for nid_usermax at 10000. If nid_usermax is cranked up to
* 100000, it will take several seconds, depending on the CPU.
*/
for (j = 0; j < (i - start_uidpos); j++)
if (check_dups[j] == pwd->pw_uid) {
/* Found another entry for uid, so skip it */
fnd_dup = 1;
break;
}
if (fnd_dup != 0)
continue;
check_dups[i - start_uidpos] = pwd->pw_uid;
nid.nid_uid = pwd->pw_uid;
nid.nid_name = pwd->pw_name;
nid.nid_namelen = strlen(pwd->pw_name);
nid.nid_flag = NFSID_ADDUID;
#ifdef DEBUG
printf("add uid=%d name=%s\n", nid.nid_uid, nid.nid_name);
#else
error = nfssvc(NFSSVC_IDNAME, &nid);
if (error)
errx(1, "Can't add user %s", pwd->pw_name);
#endif
i++;
}
/*
* I should feel guilty for not calling this for all the above exit()
* upon error cases, but I don't.
*/
if (mustfreeai)
freeaddrinfo(aip);
#ifdef DEBUG
exit(0);
#endif
/*
* Temporarily block SIGUSR1 and SIGCHLD, so slaves[] can't
* end up bogus.
*/
sigemptyset(&signew);
sigaddset(&signew, SIGUSR1);
sigaddset(&signew, SIGCHLD);
sigprocmask(SIG_BLOCK, &signew, NULL);
daemon(0, 0);
(void)signal(SIGHUP, SIG_IGN);
(void)signal(SIGINT, SIG_IGN);
(void)signal(SIGQUIT, SIG_IGN);
(void)signal(SIGTERM, SIG_IGN);
(void)signal(SIGUSR1, cleanup_term);
(void)signal(SIGCHLD, cleanup_term);
openlog("nfsuserd:", LOG_PID, LOG_DAEMON);
/*
* Fork off the slave daemons that do the work. All the master
* does is kill them off and cleanup.
*/
for (i = 0; i < nfsuserdcnt; i++) {
slaves[i] = fork();
if (slaves[i] == 0) {
im_a_slave = 1;
setproctitle("slave");
sigemptyset(&signew);
sigaddset(&signew, SIGUSR1);
sigprocmask(SIG_UNBLOCK, &signew, NULL);
/*
* and away we go.
*/
svc_run();
syslog(LOG_ERR, "nfsuserd died: %m");
exit(1);
} else if (slaves[i] < 0) {
syslog(LOG_ERR, "fork: %m");
}
}
/*
* Just wait for SIGUSR1 or a child to die and then...
* As the Governor of California would say, "Terminate them".
*/
setproctitle("master");
sigemptyset(&signew);
while (1)
sigsuspend(&signew);
}
/*
* Print a description of the nfs stats.
*/
void
intpr(int clientOnly, int serverOnly)
{
struct nfsstats nfsstats, *nfsstatsp;
struct nfsrvstats nfsrvstats, *nfsrvstatsp;
int nfssvc_flag;
if (run_v4 == 0) {
/*
* Only read the stats we are going to display to avoid zeroing
* stats the user didn't request.
*/
if (clientOnly)
nfsstatsp = &nfsstats;
else
nfsstatsp = NULL;
if (serverOnly)
nfsrvstatsp = &nfsrvstats;
else
nfsrvstatsp = NULL;
readstats(&nfsstatsp, &nfsrvstatsp, zflag);
if (clientOnly && !nfsstatsp) {
printf("Client not present!\n");
clientOnly = 0;
}
} else {
nfssvc_flag = NFSSVC_GETSTATS;
if (zflag != 0) {
if (clientOnly != 0)
nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
if (serverOnly != 0)
nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
}
if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
err(1, "Can't get stats");
}
if (clientOnly) {
printf("Client Info:\n");
printf("Rpc Counts:\n");
printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
"Getattr", "Setattr", "Lookup", "Readlink", "Read",
"Write", "Create", "Remove");
if (run_v4 == 0)
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
nfsstats.rpccnt[NFSPROC_GETATTR],
nfsstats.rpccnt[NFSPROC_SETATTR],
nfsstats.rpccnt[NFSPROC_LOOKUP],
nfsstats.rpccnt[NFSPROC_READLINK],
nfsstats.rpccnt[NFSPROC_READ],
nfsstats.rpccnt[NFSPROC_WRITE],
nfsstats.rpccnt[NFSPROC_CREATE],
nfsstats.rpccnt[NFSPROC_REMOVE]);
else
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.rpccnt[NFSPROC_GETATTR],
ext_nfsstats.rpccnt[NFSPROC_SETATTR],
ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
ext_nfsstats.rpccnt[NFSPROC_READLINK],
ext_nfsstats.rpccnt[NFSPROC_READ],
ext_nfsstats.rpccnt[NFSPROC_WRITE],
ext_nfsstats.rpccnt[NFSPROC_CREATE],
ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
"Rename", "Link", "Symlink", "Mkdir", "Rmdir",
"Readdir", "RdirPlus", "Access");
if (run_v4 == 0)
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
nfsstats.rpccnt[NFSPROC_RENAME],
nfsstats.rpccnt[NFSPROC_LINK],
nfsstats.rpccnt[NFSPROC_SYMLINK],
nfsstats.rpccnt[NFSPROC_MKDIR],
nfsstats.rpccnt[NFSPROC_RMDIR],
nfsstats.rpccnt[NFSPROC_READDIR],
nfsstats.rpccnt[NFSPROC_READDIRPLUS],
nfsstats.rpccnt[NFSPROC_ACCESS]);
else
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.rpccnt[NFSPROC_RENAME],
ext_nfsstats.rpccnt[NFSPROC_LINK],
ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
ext_nfsstats.rpccnt[NFSPROC_MKDIR],
ext_nfsstats.rpccnt[NFSPROC_RMDIR],
ext_nfsstats.rpccnt[NFSPROC_READDIR],
ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
"Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
if (run_v4 == 0)
printf("%9d %9d %9d %9d %9d\n",
nfsstats.rpccnt[NFSPROC_MKNOD],
nfsstats.rpccnt[NFSPROC_FSSTAT],
nfsstats.rpccnt[NFSPROC_FSINFO],
nfsstats.rpccnt[NFSPROC_PATHCONF],
nfsstats.rpccnt[NFSPROC_COMMIT]);
else
printf("%9d %9d %9d %9d %9d\n",
ext_nfsstats.rpccnt[NFSPROC_MKNOD],
ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
ext_nfsstats.rpccnt[NFSPROC_FSINFO],
ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
ext_nfsstats.rpccnt[NFSPROC_COMMIT]);
printf("Rpc Info:\n");
printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
"TimedOut", "Invalid", "X Replies", "Retries",
"Requests");
if (run_v4 == 0)
printf("%9d %9d %9d %9d %9d\n",
nfsstats.rpctimeouts,
nfsstats.rpcinvalid,
nfsstats.rpcunexpected,
nfsstats.rpcretries,
nfsstats.rpcrequests);
else
printf("%9d %9d %9d %9d %9d\n",
ext_nfsstats.rpctimeouts,
ext_nfsstats.rpcinvalid,
ext_nfsstats.rpcunexpected,
ext_nfsstats.rpcretries,
ext_nfsstats.rpcrequests);
printf("Cache Info:\n");
printf("%9.9s %9.9s %9.9s %9.9s",
"Attr Hits", "Misses", "Lkup Hits", "Misses");
printf(" %9.9s %9.9s %9.9s %9.9s\n",
"BioR Hits", "Misses", "BioW Hits", "Misses");
if (run_v4 == 0) {
printf("%9d %9d %9d %9d",
nfsstats.attrcache_hits,
nfsstats.attrcache_misses,
nfsstats.lookupcache_hits,
nfsstats.lookupcache_misses);
printf(" %9d %9d %9d %9d\n",
nfsstats.biocache_reads-nfsstats.read_bios,
nfsstats.read_bios,
nfsstats.biocache_writes-nfsstats.write_bios,
nfsstats.write_bios);
} else {
printf("%9d %9d %9d %9d",
ext_nfsstats.attrcache_hits,
ext_nfsstats.attrcache_misses,
ext_nfsstats.lookupcache_hits,
ext_nfsstats.lookupcache_misses);
printf(" %9d %9d %9d %9d\n",
ext_nfsstats.biocache_reads -
ext_nfsstats.read_bios,
ext_nfsstats.read_bios,
ext_nfsstats.biocache_writes -
ext_nfsstats.write_bios,
ext_nfsstats.write_bios);
}
printf("%9.9s %9.9s %9.9s %9.9s",
"BioRLHits", "Misses", "BioD Hits", "Misses");
printf(" %9.9s %9.9s %9.9s %9.9s\n", "DirE Hits", "Misses", "Accs Hits", "Misses");
if (run_v4 == 0) {
printf("%9d %9d %9d %9d",
nfsstats.biocache_readlinks -
nfsstats.readlink_bios,
nfsstats.readlink_bios,
nfsstats.biocache_readdirs -
nfsstats.readdir_bios,
nfsstats.readdir_bios);
printf(" %9d %9d %9d %9d\n",
nfsstats.direofcache_hits,
nfsstats.direofcache_misses,
nfsstats.accesscache_hits,
nfsstats.accesscache_misses);
} else {
printf("%9d %9d %9d %9d",
ext_nfsstats.biocache_readlinks -
ext_nfsstats.readlink_bios,
ext_nfsstats.readlink_bios,
ext_nfsstats.biocache_readdirs -
ext_nfsstats.readdir_bios,
ext_nfsstats.readdir_bios);
printf(" %9d %9d %9d %9d\n",
ext_nfsstats.direofcache_hits,
ext_nfsstats.direofcache_misses,
ext_nfsstats.accesscache_hits,
ext_nfsstats.accesscache_misses);
}
}
if (run_v4 == 0 && serverOnly && !nfsrvstatsp) {
printf("Server not present!\n");
serverOnly = 0;
}
if (serverOnly) {
printf("\nServer Info:\n");
printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
"Getattr", "Setattr", "Lookup", "Readlink", "Read",
"Write", "Create", "Remove");
if (run_v4 == 0)
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
nfsrvstats.srvrpccnt[NFSPROC_GETATTR],
nfsrvstats.srvrpccnt[NFSPROC_SETATTR],
nfsrvstats.srvrpccnt[NFSPROC_LOOKUP],
nfsrvstats.srvrpccnt[NFSPROC_READLINK],
nfsrvstats.srvrpccnt[NFSPROC_READ],
nfsrvstats.srvrpccnt[NFSPROC_WRITE],
nfsrvstats.srvrpccnt[NFSPROC_CREATE],
nfsrvstats.srvrpccnt[NFSPROC_REMOVE]);
else
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
ext_nfsstats.srvrpccnt[NFSV4OP_READ],
ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
ext_nfsstats.srvrpccnt[NFSV4OP_CREATE],
ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
"Rename", "Link", "Symlink", "Mkdir", "Rmdir",
"Readdir", "RdirPlus", "Access");
if (run_v4 == 0)
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
nfsrvstats.srvrpccnt[NFSPROC_RENAME],
nfsrvstats.srvrpccnt[NFSPROC_LINK],
nfsrvstats.srvrpccnt[NFSPROC_SYMLINK],
nfsrvstats.srvrpccnt[NFSPROC_MKDIR],
nfsrvstats.srvrpccnt[NFSPROC_RMDIR],
nfsrvstats.srvrpccnt[NFSPROC_READDIR],
nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS],
nfsrvstats.srvrpccnt[NFSPROC_ACCESS]);
else
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
"Mknod", "Fsstat", "Fsinfo", "PathConf", "Commit");
if (run_v4 == 0)
printf("%9d %9d %9d %9d %9d\n",
nfsrvstats.srvrpccnt[NFSPROC_MKNOD],
nfsrvstats.srvrpccnt[NFSPROC_FSSTAT],
nfsrvstats.srvrpccnt[NFSPROC_FSINFO],
nfsrvstats.srvrpccnt[NFSPROC_PATHCONF],
nfsrvstats.srvrpccnt[NFSPROC_COMMIT]);
else
printf("%9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT]);
printf("Server Ret-Failed\n");
if (run_v4 == 0)
printf("%17d\n", nfsrvstats.srvrpc_errs);
else
printf("%17d\n", ext_nfsstats.srvrpc_errs);
printf("Server Faults\n");
if (run_v4 == 0)
printf("%13d\n", nfsrvstats.srv_errs);
else
printf("%13d\n", ext_nfsstats.srv_errs);
printf("Server Cache Stats:\n");
printf("%9.9s %9.9s %9.9s %9.9s\n",
"Inprog", "Idem", "Non-idem", "Misses");
if (run_v4 == 0)
printf("%9d %9d %9d %9d\n",
nfsrvstats.srvcache_inproghits,
nfsrvstats.srvcache_idemdonehits,
nfsrvstats.srvcache_nonidemdonehits,
nfsrvstats.srvcache_misses);
else
printf("%9d %9d %9d %9d\n",
ext_nfsstats.srvcache_inproghits,
ext_nfsstats.srvcache_idemdonehits,
ext_nfsstats.srvcache_nonidemdonehits,
ext_nfsstats.srvcache_misses);
printf("Server Write Gathering:\n");
printf("%9.9s %9.9s %9.9s\n",
"WriteOps", "WriteRPC", "Opsaved");
if (run_v4 == 0)
printf("%9d %9d %9d\n",
nfsrvstats.srvvop_writes,
nfsrvstats.srvrpccnt[NFSPROC_WRITE],
nfsrvstats.srvrpccnt[NFSPROC_WRITE] -
nfsrvstats.srvvop_writes);
else
/*
* The new client doesn't do write gathering. It was
* only useful for NFSv2.
*/
printf("%9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
ext_nfsstats.srvrpccnt[NFSV4OP_WRITE], 0);
}
}
/*
* The nfsuserd rpc service
*/
static void
nfsuserdsrv(struct svc_req *rqstp, SVCXPRT *transp)
{
struct passwd *pwd;
struct group *grp;
int error;
u_short sport;
struct info info;
struct nfsd_idargs nid;
u_int32_t saddr;
/*
* Only handle requests from 127.0.0.1 on a reserved port number.
* (Since a reserved port # at localhost implies a client with
* local root, there won't be a security breach. This is about
* the only case I can think of where a reserved port # means
* something.)
*/
sport = ntohs(transp->xp_raddr.sin_port);
saddr = ntohl(transp->xp_raddr.sin_addr.s_addr);
if ((rqstp->rq_proc != NULLPROC && sport >= IPPORT_RESERVED) ||
saddr != 0x7f000001) {
syslog(LOG_ERR, "req from ip=0x%x port=%d\n", saddr, sport);
svcerr_weakauth(transp);
return;
}
switch (rqstp->rq_proc) {
case NULLPROC:
if (!svc_sendreply(transp, (xdrproc_t)xdr_void, NULL))
syslog(LOG_ERR, "Can't send reply");
return;
case RPCNFSUSERD_GETUID:
if (!svc_getargs(transp, (xdrproc_t)xdr_getid,
(caddr_t)&info)) {
svcerr_decode(transp);
return;
}
pwd = getpwuid((uid_t)info.id);
info.retval = 0;
if (pwd != NULL) {
nid.nid_usertimeout = defusertimeout;
nid.nid_uid = pwd->pw_uid;
nid.nid_name = pwd->pw_name;
} else {
nid.nid_usertimeout = 5;
nid.nid_uid = (uid_t)info.id;
nid.nid_name = defaultuser;
}
nid.nid_namelen = strlen(nid.nid_name);
nid.nid_flag = NFSID_ADDUID;
error = nfssvc(NFSSVC_IDNAME, &nid);
if (error) {
info.retval = error;
syslog(LOG_ERR, "Can't add user %s\n", pwd->pw_name);
} else if (verbose) {
syslog(LOG_ERR,"Added uid=%d name=%s\n",
nid.nid_uid, nid.nid_name);
}
if (!svc_sendreply(transp, (xdrproc_t)xdr_retval,
(caddr_t)&info))
syslog(LOG_ERR, "Can't send reply");
return;
case RPCNFSUSERD_GETGID:
if (!svc_getargs(transp, (xdrproc_t)xdr_getid,
(caddr_t)&info)) {
svcerr_decode(transp);
return;
}
grp = getgrgid((gid_t)info.id);
info.retval = 0;
if (grp != NULL) {
nid.nid_usertimeout = defusertimeout;
nid.nid_gid = grp->gr_gid;
nid.nid_name = grp->gr_name;
} else {
nid.nid_usertimeout = 5;
nid.nid_gid = (gid_t)info.id;
nid.nid_name = defaultgroup;
}
nid.nid_namelen = strlen(nid.nid_name);
nid.nid_flag = NFSID_ADDGID;
error = nfssvc(NFSSVC_IDNAME, &nid);
if (error) {
info.retval = error;
syslog(LOG_ERR, "Can't add group %s\n",
grp->gr_name);
} else if (verbose) {
syslog(LOG_ERR,"Added gid=%d name=%s\n",
nid.nid_gid, nid.nid_name);
}
if (!svc_sendreply(transp, (xdrproc_t)xdr_retval,
(caddr_t)&info))
syslog(LOG_ERR, "Can't send reply");
return;
case RPCNFSUSERD_GETUSER:
if (!svc_getargs(transp, (xdrproc_t)xdr_getname,
(caddr_t)&info)) {
svcerr_decode(transp);
return;
}
pwd = getpwnam(info.name);
info.retval = 0;
if (pwd != NULL) {
nid.nid_usertimeout = defusertimeout;
nid.nid_uid = pwd->pw_uid;
nid.nid_name = pwd->pw_name;
} else {
nid.nid_usertimeout = 5;
nid.nid_uid = defaultuid;
nid.nid_name = info.name;
}
nid.nid_namelen = strlen(nid.nid_name);
nid.nid_flag = NFSID_ADDUSERNAME;
error = nfssvc(NFSSVC_IDNAME, &nid);
if (error) {
info.retval = error;
syslog(LOG_ERR, "Can't add user %s\n", pwd->pw_name);
} else if (verbose) {
syslog(LOG_ERR,"Added uid=%d name=%s\n",
nid.nid_uid, nid.nid_name);
}
if (!svc_sendreply(transp, (xdrproc_t)xdr_retval,
(caddr_t)&info))
syslog(LOG_ERR, "Can't send reply");
return;
case RPCNFSUSERD_GETGROUP:
if (!svc_getargs(transp, (xdrproc_t)xdr_getname,
(caddr_t)&info)) {
svcerr_decode(transp);
return;
}
grp = getgrnam(info.name);
info.retval = 0;
if (grp != NULL) {
nid.nid_usertimeout = defusertimeout;
nid.nid_gid = grp->gr_gid;
nid.nid_name = grp->gr_name;
} else {
nid.nid_usertimeout = 5;
nid.nid_gid = defaultgid;
nid.nid_name = info.name;
}
nid.nid_namelen = strlen(nid.nid_name);
nid.nid_flag = NFSID_ADDGROUPNAME;
error = nfssvc(NFSSVC_IDNAME, &nid);
if (error) {
info.retval = error;
syslog(LOG_ERR, "Can't add group %s\n",
grp->gr_name);
} else if (verbose) {
syslog(LOG_ERR,"Added gid=%d name=%s\n",
nid.nid_gid, nid.nid_name);
}
if (!svc_sendreply(transp, (xdrproc_t)xdr_retval,
(caddr_t)&info))
syslog(LOG_ERR, "Can't send reply");
return;
default:
svcerr_noproc(transp);
return;
};
}
/*
* Nfs server daemon mostly just a user context for nfssvc()
*
* 1 - do file descriptor and signal cleanup
* 2 - create the nfsd thread(s)
* 3 - create server socket(s)
* 4 - register socket with portmap
*
* For connectionless protocols, just pass the socket into the kernel via
* nfssvc().
* For connection based sockets, loop doing accepts. When you get a new
* socket from accept, pass the msgsock into the kernel via nfssvc().
* The arguments are:
* -r - reregister with portmapper
* -t - support only tcp nfs clients
* -u - support only udp nfs clients
* -n num how many threads to create.
* -4 - use only ipv4
* -6 - use only ipv6
*/
int
main(int argc, char *argv[])
{
struct conf cfg[4];
struct pollfd set[__arraycount(cfg)];
int ch, connect_type_cnt;
size_t i, nfsdcnt;
int reregister;
int tcpflag, udpflag;
int ip6flag, ip4flag;
int s, compat;
int parent_fd = -1;
pthread_t *workers;
#define DEFNFSDCNT 4
nfsdcnt = DEFNFSDCNT;
compat = reregister = 0;
tcpflag = udpflag = 1;
ip6flag = ip4flag = 1;
#define GETOPT "46dn:rtu"
#define USAGE "[-46drtu] [-n num_servers]"
while ((ch = getopt(argc, argv, GETOPT)) != -1) {
switch (ch) {
case '6':
ip6flag = 1;
ip4flag = 0;
s = socket(PF_INET6, SOCK_DGRAM, IPPROTO_UDP);
if (s < 0 && (errno == EPROTONOSUPPORT ||
errno == EPFNOSUPPORT || errno == EAFNOSUPPORT))
ip6flag = 0;
else
close(s);
break;
case '4':
ip6flag = 0;
ip4flag = 1;
s = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (s < 0 && (errno == EPROTONOSUPPORT ||
errno == EPFNOSUPPORT || errno == EAFNOSUPPORT))
ip4flag = 0;
else
close(s);
break;
case 'd':
debug++;
break;
case 'n':
nfsdcnt = atoi(optarg);
if (nfsdcnt < 1) {
warnx("nfsd count %zu; reset to %d", nfsdcnt,
DEFNFSDCNT);
nfsdcnt = DEFNFSDCNT;
}
break;
case 'r':
reregister = 1;
break;
case 't':
compat |= 2;
tcpflag = 1;
udpflag = 0;
break;
case 'u':
compat |= 1;
tcpflag = 0;
udpflag = 1;
break;
default:
case '?':
usage();
}
}
argv += optind;
argc -= optind;
if (compat == 3) {
warnx("Old -tu options detected; enabling both udp and tcp.");
warnx("This is the default behavior now and you can remove");
warnx("all options.");
tcpflag = udpflag = 1;
if (ip6flag == 1 && ip4flag == 0)
ip4flag = 1;
}
if (debug == 0) {
parent_fd = daemon2_fork();
if (parent_fd == -1)
logit(LOG_ERR, "daemon2_fork failed");
openlog("nfsd", LOG_PID, LOG_DAEMON);
}
memset(cfg, 0, sizeof(cfg));
for (i = 0; i < __arraycount(cfg); i++) {
if (ip4flag == 0 && cfg_family[i] == PF_INET)
continue;
if (ip6flag == 0 && cfg_family[i] == PF_INET6)
continue;
if (tcpflag == 0 && cfg_protocol[i] == IPPROTO_TCP)
continue;
if (udpflag == 0 && cfg_protocol[i] == IPPROTO_UDP)
continue;
tryconf(&cfg[i], i, reregister);
}
workers = calloc(nfsdcnt, sizeof(*workers));
if (workers == NULL) {
logit(LOG_ERR, "thread alloc %s", strerror(errno));
exit(1);
}
for (i = 0; i < nfsdcnt; i++) {
int error;
error = pthread_create(&workers[i], NULL, worker, NULL);
if (error) {
errno = error;
logit(LOG_ERR, "pthread_create: %s", strerror(errno));
exit(1);
}
}
connect_type_cnt = 0;
for (i = 0; i < __arraycount(cfg); i++) {
set[i].fd = -1;
set[i].events = POLLIN;
set[i].revents = 0;
if (cfg[i].nc == NULL)
continue;
setupsock(&cfg[i], &set[i], i);
if (set[i].fd != -1)
connect_type_cnt++;
}
pthread_setname_np(pthread_self(), "master", NULL);
if (debug == 0) {
daemon2_detach(parent_fd, 0, 0);
(void)signal(SIGHUP, SIG_IGN);
(void)signal(SIGINT, SIG_IGN);
(void)signal(SIGQUIT, SIG_IGN);
(void)signal(SIGSYS, nonfs);
}
if (connect_type_cnt == 0) {
for (i = 0; i < nfsdcnt; i++)
pthread_join(workers[i], NULL);
exit(0);
}
/*
* Loop forever accepting connections and passing the sockets
* into the kernel for the mounts.
*/
for (;;) {
if (poll(set, __arraycount(set), INFTIM) == -1) {
logit(LOG_ERR, "poll failed: %s", strerror(errno));
exit(1);
}
for (i = 0; i < __arraycount(set); i++) {
struct nfsd_args nfsdargs;
struct sockaddr_storage ss;
socklen_t len;
int msgsock;
int on = 1;
if ((set[i].revents & POLLIN) == 0)
continue;
len = sizeof(ss);
if ((msgsock = accept(set[i].fd,
(struct sockaddr *)&ss, &len)) == -1) {
int serrno = errno;
logit(LOG_ERR, "accept failed: %s",
strerror(errno));
if (serrno == EINTR || serrno == ECONNABORTED)
continue;
exit(1);
}
if (setsockopt(msgsock, SOL_SOCKET, SO_KEEPALIVE, &on,
sizeof(on)) == -1)
logit(LOG_ERR, "setsockopt SO_KEEPALIVE: %s",
strerror(errno));
nfsdargs.sock = msgsock;
nfsdargs.name = (void *)&ss;
nfsdargs.namelen = len;
nfssvc(NFSSVC_ADDSOCK, &nfsdargs);
(void)close(msgsock);
}
}
}
static int
setupsock(struct conf *cfg, struct pollfd *set, int p)
{
int sock;
struct nfsd_args nfsdargs;
struct addrinfo *ai = cfg->ai;
int on = 1;
sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
if (sock == -1) {
logit(LOG_ERR, "can't create %s socket: %s", cfg_netconf[p],
strerror(errno));
return -1;
}
if (cfg_family[p] == PF_INET6) {
if (setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, &on,
sizeof(on)) == -1) {
logit(LOG_ERR, "can't set v6-only binding for %s "
"socket: %s", cfg_netconf[p], strerror(errno));
goto out;
}
}
if (cfg_protocol[p] == IPPROTO_TCP) {
if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &on,
sizeof(on)) == -1) {
logit(LOG_ERR, "setsockopt SO_REUSEADDR for %s: %s",
cfg_netconf[p], strerror(errno));
goto out;
}
}
if (bind(sock, ai->ai_addr, ai->ai_addrlen) == -1) {
logit(LOG_ERR, "can't bind %s addr: %s", cfg_netconf[p],
strerror(errno));
goto out;
}
if (cfg_protocol[p] == IPPROTO_TCP) {
if (listen(sock, 5) == -1) {
logit(LOG_ERR, "listen failed");
goto out;
}
}
if (!rpcb_set(RPCPROG_NFS, 2, cfg->nc, &cfg->nb) ||
!rpcb_set(RPCPROG_NFS, 3, cfg->nc, &cfg->nb)) {
logit(LOG_ERR, "can't register with %s portmap",
cfg_netconf[p]);
goto out;
}
if (cfg_protocol[p] == IPPROTO_TCP)
set->fd = sock;
else {
nfsdargs.sock = sock;
nfsdargs.name = NULL;
nfsdargs.namelen = 0;
if (nfssvc(NFSSVC_ADDSOCK, &nfsdargs) < 0) {
logit(LOG_ERR, "can't add %s socket: %s",
cfg_netconf[p], strerror(errno));
goto out;
}
(void)close(sock);
}
return 0;
out:
(void)close(sock);
return -1;
}
/*
* Print a description of the nfs stats for the experimental client/server.
*/
void
exp_intpr(int clientOnly, int serverOnly)
{
int nfssvc_flag;
nfssvc_flag = NFSSVC_GETSTATS;
if (zflag != 0) {
if (clientOnly != 0)
nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
if (serverOnly != 0)
nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
}
if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
err(1, "Can't get stats");
if (clientOnly != 0) {
if (printtitle) {
printf("Client Info:\n");
printf("Rpc Counts:\n");
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "Getattr", "Setattr", "Lookup", "Readlink",
"Read", "Write", "Create", "Remove");
}
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.rpccnt[NFSPROC_GETATTR],
ext_nfsstats.rpccnt[NFSPROC_SETATTR],
ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
ext_nfsstats.rpccnt[NFSPROC_READLINK],
ext_nfsstats.rpccnt[NFSPROC_READ],
ext_nfsstats.rpccnt[NFSPROC_WRITE],
ext_nfsstats.rpccnt[NFSPROC_CREATE],
ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
if (printtitle)
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
"Readdir", "RdirPlus", "Access");
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.rpccnt[NFSPROC_RENAME],
ext_nfsstats.rpccnt[NFSPROC_LINK],
ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
ext_nfsstats.rpccnt[NFSPROC_MKDIR],
ext_nfsstats.rpccnt[NFSPROC_RMDIR],
ext_nfsstats.rpccnt[NFSPROC_READDIR],
ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
if (printtitle)
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "Mknod", "Fsstat", "Fsinfo", "PathConf",
"Commit", "SetClId", "SetClIdCf", "Lock");
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.rpccnt[NFSPROC_MKNOD],
ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
ext_nfsstats.rpccnt[NFSPROC_FSINFO],
ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
ext_nfsstats.rpccnt[NFSPROC_COMMIT],
ext_nfsstats.rpccnt[NFSPROC_SETCLIENTID],
ext_nfsstats.rpccnt[NFSPROC_SETCLIENTIDCFRM],
ext_nfsstats.rpccnt[NFSPROC_LOCK]);
if (printtitle)
printf("%9.9s %9.9s %9.9s %9.9s\n",
"LockT", "LockU", "Open", "OpenCfr");
printf("%9d %9d %9d %9d\n",
ext_nfsstats.rpccnt[NFSPROC_LOCKT],
ext_nfsstats.rpccnt[NFSPROC_LOCKU],
ext_nfsstats.rpccnt[NFSPROC_OPEN],
ext_nfsstats.rpccnt[NFSPROC_OPENCONFIRM]);
if (printtitle)
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "OpenOwner", "Opens", "LockOwner",
"Locks", "Delegs", "LocalOwn",
"LocalOpen", "LocalLOwn");
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.clopenowners,
ext_nfsstats.clopens,
ext_nfsstats.cllockowners,
ext_nfsstats.cllocks,
ext_nfsstats.cldelegates,
ext_nfsstats.cllocalopenowners,
ext_nfsstats.cllocalopens,
ext_nfsstats.cllocallockowners);
if (printtitle)
printf("%9.9s\n", "LocalLock");
printf("%9d\n", ext_nfsstats.cllocallocks);
if (printtitle) {
printf("Rpc Info:\n");
printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n",
"TimedOut", "Invalid", "X Replies", "Retries",
"Requests");
}
printf("%9d %9d %9d %9d %9d\n",
ext_nfsstats.rpctimeouts,
ext_nfsstats.rpcinvalid,
ext_nfsstats.rpcunexpected,
ext_nfsstats.rpcretries,
ext_nfsstats.rpcrequests);
if (printtitle) {
printf("Cache Info:\n");
printf("%9.9s %9.9s %9.9s %9.9s",
"Attr Hits", "Misses", "Lkup Hits", "Misses");
printf(" %9.9s %9.9s %9.9s %9.9s\n",
"BioR Hits", "Misses", "BioW Hits", "Misses");
}
printf("%9d %9d %9d %9d",
ext_nfsstats.attrcache_hits,
ext_nfsstats.attrcache_misses,
ext_nfsstats.lookupcache_hits,
ext_nfsstats.lookupcache_misses);
printf(" %9d %9d %9d %9d\n",
ext_nfsstats.biocache_reads - ext_nfsstats.read_bios,
ext_nfsstats.read_bios,
ext_nfsstats.biocache_writes - ext_nfsstats.write_bios,
ext_nfsstats.write_bios);
if (printtitle) {
printf("%9.9s %9.9s %9.9s %9.9s",
"BioRLHits", "Misses", "BioD Hits", "Misses");
printf(" %9.9s %9.9s\n", "DirE Hits", "Misses");
}
printf("%9d %9d %9d %9d",
ext_nfsstats.biocache_readlinks -
ext_nfsstats.readlink_bios,
ext_nfsstats.readlink_bios,
ext_nfsstats.biocache_readdirs -
ext_nfsstats.readdir_bios,
ext_nfsstats.readdir_bios);
printf(" %9d %9d\n",
ext_nfsstats.direofcache_hits,
ext_nfsstats.direofcache_misses);
}
if (serverOnly != 0) {
if (printtitle) {
printf("\nServer Info:\n");
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "Getattr", "Setattr", "Lookup", "Readlink",
"Read", "Write", "Create", "Remove");
}
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
ext_nfsstats.srvrpccnt[NFSV4OP_READ],
ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
ext_nfsstats.srvrpccnt[NFSV4OP_V3CREATE],
ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
if (printtitle)
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "Rename", "Link", "Symlink", "Mkdir", "Rmdir",
"Readdir", "RdirPlus", "Access");
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
if (printtitle)
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "Mknod", "Fsstat", "Fsinfo", "PathConf",
"Commit", "LookupP", "SetClId", "SetClIdCf");
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT],
ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUPP],
ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTID],
ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTIDCFRM]);
if (printtitle)
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "Open", "OpenAttr", "OpenDwnGr", "OpenCfrm",
"DelePurge", "DeleRet", "GetFH", "Lock");
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_OPEN],
ext_nfsstats.srvrpccnt[NFSV4OP_OPENATTR],
ext_nfsstats.srvrpccnt[NFSV4OP_OPENDOWNGRADE],
ext_nfsstats.srvrpccnt[NFSV4OP_OPENCONFIRM],
ext_nfsstats.srvrpccnt[NFSV4OP_DELEGPURGE],
ext_nfsstats.srvrpccnt[NFSV4OP_DELEGRETURN],
ext_nfsstats.srvrpccnt[NFSV4OP_GETFH],
ext_nfsstats.srvrpccnt[NFSV4OP_LOCK]);
if (printtitle)
printf(
"%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n"
, "LockT", "LockU", "Close", "Verify", "NVerify",
"PutFH", "PutPubFH", "PutRootFH");
printf("%9d %9d %9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_LOCKT],
ext_nfsstats.srvrpccnt[NFSV4OP_LOCKU],
ext_nfsstats.srvrpccnt[NFSV4OP_CLOSE],
ext_nfsstats.srvrpccnt[NFSV4OP_VERIFY],
ext_nfsstats.srvrpccnt[NFSV4OP_NVERIFY],
ext_nfsstats.srvrpccnt[NFSV4OP_PUTFH],
ext_nfsstats.srvrpccnt[NFSV4OP_PUTPUBFH],
ext_nfsstats.srvrpccnt[NFSV4OP_PUTROOTFH]);
if (printtitle)
printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
"Renew", "RestoreFH", "SaveFH", "Secinfo",
"RelLckOwn", "V4Create");
printf("%9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvrpccnt[NFSV4OP_RENEW],
ext_nfsstats.srvrpccnt[NFSV4OP_RESTOREFH],
ext_nfsstats.srvrpccnt[NFSV4OP_SAVEFH],
ext_nfsstats.srvrpccnt[NFSV4OP_SECINFO],
ext_nfsstats.srvrpccnt[NFSV4OP_RELEASELCKOWN],
ext_nfsstats.srvrpccnt[NFSV4OP_CREATE]);
if (printtitle) {
printf("Server:\n");
printf("%9.9s %9.9s %9.9s\n",
"Retfailed", "Faults", "Clients");
}
printf("%9d %9d %9d\n",
ext_nfsstats.srv_errs, ext_nfsstats.srvrpc_errs,
ext_nfsstats.srvclients);
if (printtitle)
printf("%9.9s %9.9s %9.9s %9.9s %9.9s \n",
"OpenOwner", "Opens", "LockOwner",
"Locks", "Delegs");
printf("%9d %9d %9d %9d %9d \n",
ext_nfsstats.srvopenowners,
ext_nfsstats.srvopens,
ext_nfsstats.srvlockowners,
ext_nfsstats.srvlocks,
ext_nfsstats.srvdelegates);
if (printtitle) {
printf("Server Cache Stats:\n");
printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n",
"Inprog", "Idem", "Non-idem", "Misses",
"CacheSize", "TCPPeak");
}
printf("%9d %9d %9d %9d %9d %9d\n",
ext_nfsstats.srvcache_inproghits,
ext_nfsstats.srvcache_idemdonehits,
ext_nfsstats.srvcache_nonidemdonehits,
ext_nfsstats.srvcache_misses,
ext_nfsstats.srvcache_size,
ext_nfsstats.srvcache_tcppeak);
}
}
/*
* Print a description of the nfs stats.
*/
static void
intpr(int clientOnly, int serverOnly)
{
int nfssvc_flag;
nfssvc_flag = NFSSVC_GETSTATS | NFSSVC_NEWSTRUCT;
if (zflag != 0) {
if (clientOnly != 0)
nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
if (serverOnly != 0)
nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
}
ext_nfsstats.vers = NFSSTATS_V1;
if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
xo_err(1, "Can't get stats");
if (clientOnly) {
xo_open_container("clientstats");
if (printtitle)
xo_emit("{T:Client Info:\n");
xo_open_container("operations");
xo_emit("{T:Rpc Counts:}\n");
xo_emit("{T:Getattr/%13.13s}{T:Setattr/%13.13s}"
"{T:Lookup/%13.13s}{T:Readlink/%13.13s}"
"{T:Read/%13.13s}{T:Write/%13.13s}"
"{T:Create/%13.13s}{T:Remove/%13.13s}\n");
xo_emit("{:getattr/%13ju}{:setattr/%13ju}"
"{:lookup/%13ju}{:readlink/%13ju}"
"{:read/%13ju}{:write/%13ju}"
"{:create/%13ju}{:remove/%13ju}\n",
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_GETATTR],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETATTR],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READLINK],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READ],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_WRITE],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_CREATE],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_REMOVE]);
xo_emit("{T:Rename/%13.13s}{T:Link/%13.13s}"
"{T:Symlink/%13.13s}{T:Mkdir/%13.13s}"
"{T:Rmdir/%13.13s}{T:Readdir/%13.13s}"
"{T:RdirPlus/%13.13s}{T:Access/%13.13s}\n");
xo_emit("{:rename/%13ju}{:link/%13ju}"
"{:symlink/%13ju}{:mkdir/%13ju}"
"{:rmdir/%13ju}{:readdir/%13ju}"
"{:rdirplus/%13ju}{:access/%13ju}\n",
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RENAME],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LINK],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_MKDIR],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RMDIR],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READDIR],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_ACCESS]);
xo_emit("{T:Mknod/%13.13s}{T:Fsstat/%13.13s}"
"{T:Fsinfo/%13.13s}{T:PathConf/%13.13s}"
"{T:Commit/%13.13s}\n");
xo_emit("{:mknod/%13ju}{:fsstat/%13ju}"
"{:fsinfo/%13ju}{:pathconf/%13ju}"
"{:commit/%13ju}\n",
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_MKNOD],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_FSSTAT],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_FSINFO],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_COMMIT]);
xo_close_container("operations");
xo_open_container("rpcs");
xo_emit("{T:Rpc Info:}\n");
xo_emit("{T:TimedOut/%13.13s}{T:Invalid/%13.13s}"
"{T:X Replies/%13.13s}{T:Retries/%13.13s}"
"{T:Requests/%13.13s}\n");
xo_emit("{:timedout/%13ju}{:invalid/%13ju}"
"{:xreplies/%13ju}{:retries/%13ju}"
"{:requests/%13ju}\n",
(uintmax_t)ext_nfsstats.rpctimeouts,
(uintmax_t)ext_nfsstats.rpcinvalid,
(uintmax_t)ext_nfsstats.rpcunexpected,
(uintmax_t)ext_nfsstats.rpcretries,
(uintmax_t)ext_nfsstats.rpcrequests);
xo_close_container("rpcs");
xo_open_container("cache");
xo_emit("{T:Cache Info:}\n");
xo_emit("{T:Attr Hits/%13.13s}{T:Attr Misses/%13.13s}"
"{T:Lkup Hits/%13.13s}{T:Lkup Misses/%13.13s}"
"{T:BioR Hits/%13.13s}{T:BioR Misses/%13.13s}"
"{T:BioW Hits/%13.13s}{T:BioW Misses/%13.13s}\n");
xo_emit("{:attrhits/%13ju}{:attrmisses/%13ju}"
"{:lkuphits/%13ju}{:lkupmisses/%13ju}"
"{:biorhits/%13ju}{:biormisses/%13ju}"
"{:biowhits/%13ju}{:biowmisses/%13ju}\n",
(uintmax_t)ext_nfsstats.attrcache_hits,
(uintmax_t)ext_nfsstats.attrcache_misses,
(uintmax_t)ext_nfsstats.lookupcache_hits,
(uintmax_t)ext_nfsstats.lookupcache_misses,
(uintmax_t)(ext_nfsstats.biocache_reads -
ext_nfsstats.read_bios),
(uintmax_t)ext_nfsstats.read_bios,
(uintmax_t)(ext_nfsstats.biocache_writes -
ext_nfsstats.write_bios),
(uintmax_t)ext_nfsstats.write_bios);
xo_emit("{T:BioRL Hits/%13.13s}{T:BioRL Misses/%13.13s}"
"{T:BioD Hits/%13.13s}{T:BioD Misses/%13.13s}"
"{T:DirE Hits/%13.13s}{T:DirE Misses/%13.13s}"
"{T:Accs Hits/%13.13s}{T:Accs Misses/%13.13s}\n");
xo_emit("{:biosrlhits/%13ju}{:biorlmisses/%13ju}"
"{:biodhits/%13ju}{:biodmisses/%13ju}"
"{:direhits/%13ju}{:diremisses/%13ju}"
"{:accshits/%13ju}{:accsmisses/%13ju}\n",
(uintmax_t)(ext_nfsstats.biocache_readlinks -
ext_nfsstats.readlink_bios),
(uintmax_t)ext_nfsstats.readlink_bios,
(uintmax_t)(ext_nfsstats.biocache_readdirs -
ext_nfsstats.readdir_bios),
(uintmax_t)ext_nfsstats.readdir_bios,
(uintmax_t)ext_nfsstats.direofcache_hits,
(uintmax_t)ext_nfsstats.direofcache_misses,
(uintmax_t)ext_nfsstats.accesscache_hits,
(uintmax_t)ext_nfsstats.accesscache_misses);
xo_close_container("cache");
xo_close_container("clientstats");
}
if (serverOnly) {
xo_open_container("serverstats");
xo_emit("{T:Server Info:}\n");
xo_open_container("operations");
xo_emit("{T:Getattr/%13.13s}{T:Setattr/%13.13s}"
"{T:Lookup/%13.13s}{T:Readlink/%13.13s}"
"{T:Read/%13.13s}{T:Write/%13.13s}"
"{T:Create/%13.13s}{T:Remove/%13.13s}\n");
xo_emit("{:getattr/%13ju}{:setattr/%13ju}"
"{:lookup/%13ju}{:readlink/%13ju}"
"{:read/%13ju}{:write/%13ju}"
"{:create/%13ju}{:remove/%13ju}\n",
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READ],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_CREATE],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE]);
xo_emit("{T:Rename/%13.13s}{T:Link/%13.13s}"
"{T:Symlink/%13.13s}{T:Mkdir/%13.13s}"
"{T:Rmdir/%13.13s}{T:Readdir/%13.13s}"
"{T:RdirPlus/%13.13s}{T:Access/%13.13s}\n");
xo_emit("{:rename/%13ju}{:link/%13ju}"
"{:symlink/%13ju}{:mkdir/%13ju}"
"{:rmdir/%13ju}{:readdir/%13ju}"
"{:rdirplus/%13ju}{:access/%13ju}\n",
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS]);
xo_emit("{T:Mknod/%13.13s}{T:Fsstat/%13.13s}"
"{T:Fsinfo/%13.13s}{T:PathConf/%13.13s}"
"{T:Commit/%13.13s}\n");
xo_emit("{:mknod/%13ju}{:fsstat/%13ju}"
"{:fsinfo/%13ju}{:pathconf/%13ju}"
"{:commit/%13ju}\n",
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT]);
xo_close_container("operations");
xo_open_container("server");
xo_emit("{T:Server Re-Failed:}\n");
xo_emit("{T:retfailed/%17ju}\n", (uintmax_t)ext_nfsstats.srvrpc_errs);
xo_emit("{T:Server Faults:}\n");
xo_emit("{T:faults/%13ju}\n", (uintmax_t)ext_nfsstats.srv_errs);
xo_emit("{T:Server Write Gathering:/%13.13s}\n");
xo_emit("{T:WriteOps/%13.13s}{T:WriteRPC/%13.13s}"
"{T:Opsaved/%13.13s}\n");
xo_emit("{:writeops/%13ju}{:writerpc/%13ju}"
"{:opsaved/%13ju}\n",
/*
* The new client doesn't do write gathering. It was
* only useful for NFSv2.
*/
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WRITE],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WRITE], 0);
xo_close_container("server");
xo_open_container("cache");
xo_emit("{T:Server Cache Stats:/%13.13s}\n");
xo_emit("{T:Inprog/%13.13s}{T:Idem/%13.13s}"
"{T:Non-Idem/%13.13s}{T:Misses/%13.13s}\n");
xo_emit("{:inprog/%13ju}{:idem/%13ju}"
"{:nonidem/%13ju}{:misses/%13ju}\n",
(uintmax_t)ext_nfsstats.srvcache_inproghits,
(uintmax_t)ext_nfsstats.srvcache_idemdonehits,
(uintmax_t)ext_nfsstats.srvcache_nonidemdonehits,
(uintmax_t)ext_nfsstats.srvcache_misses);
xo_close_container("cache");
xo_close_container("serverstats");
}
}
/*
* Print a running summary of nfs statistics for the experimental client and/or
* server.
* Repeat display every interval seconds, showing statistics
* collected over that interval. Assumes that interval is non-zero.
* First line printed at top of screen is always cumulative.
*/
static void
exp_sidewaysintpr(u_int interval, int clientOnly, int serverOnly,
int newStats)
{
struct nfsstatsv1 nfsstats, lastst, *ext_nfsstatsp;
struct nfsstatsv1 curtotal, lasttotal;
struct timespec ts, lastts;
int hdrcnt = 1;
ext_nfsstatsp = &lastst;
ext_nfsstatsp->vers = NFSSTATS_V1;
if (nfssvc(NFSSVC_GETSTATS | NFSSVC_NEWSTRUCT, ext_nfsstatsp) < 0)
err(1, "Can't get stats");
clock_gettime(CLOCK_MONOTONIC, &lastts);
compute_totals(&lasttotal, ext_nfsstatsp);
sleep(interval);
for (;;) {
ext_nfsstatsp = &nfsstats;
ext_nfsstatsp->vers = NFSSTATS_V1;
if (nfssvc(NFSSVC_GETSTATS | NFSSVC_NEWSTRUCT, ext_nfsstatsp)
< 0)
err(1, "Can't get stats");
clock_gettime(CLOCK_MONOTONIC, &ts);
if (--hdrcnt == 0) {
printhdr(clientOnly, serverOnly, newStats);
if (newStats)
hdrcnt = 20;
else if (clientOnly && serverOnly)
hdrcnt = 10;
else
hdrcnt = 20;
}
if (clientOnly && newStats == 0) {
printf("%s %6ju %6ju %6ju %6ju %6ju %6ju %6ju %6ju",
((clientOnly && serverOnly) ? "Client:" : ""),
(uintmax_t)DELTA(rpccnt[NFSPROC_GETATTR]),
(uintmax_t)DELTA(rpccnt[NFSPROC_LOOKUP]),
(uintmax_t)DELTA(rpccnt[NFSPROC_READLINK]),
(uintmax_t)DELTA(rpccnt[NFSPROC_READ]),
(uintmax_t)DELTA(rpccnt[NFSPROC_WRITE]),
(uintmax_t)DELTA(rpccnt[NFSPROC_RENAME]),
(uintmax_t)DELTA(rpccnt[NFSPROC_ACCESS]),
(uintmax_t)(DELTA(rpccnt[NFSPROC_READDIR]) +
DELTA(rpccnt[NFSPROC_READDIRPLUS]))
);
if (widemode) {
printf(" %s %s %s %s %s %s",
sperc1(DELTA(attrcache_hits),
DELTA(attrcache_misses)),
sperc1(DELTA(lookupcache_hits),
DELTA(lookupcache_misses)),
sperc2(DELTA(biocache_reads),
DELTA(read_bios)),
sperc2(DELTA(biocache_writes),
DELTA(write_bios)),
sperc1(DELTA(accesscache_hits),
DELTA(accesscache_misses)),
sperc2(DELTA(biocache_readdirs),
DELTA(readdir_bios))
);
}
printf("\n");
}
if (serverOnly && newStats) {
long double cur_secs, last_secs, etime;
long double mbsec;
long double kb_per_transfer;
long double transfers_per_second;
long double ms_per_transfer;
uint64_t queue_len;
long double busy_pct;
int i;
cur_secs = ts.tv_sec +
((long double)ts.tv_nsec / 1000000000);
last_secs = lastts.tv_sec +
((long double)lastts.tv_nsec / 1000000000);
etime = cur_secs - last_secs;
compute_totals(&curtotal, &nfsstats);
for (i = 0; i < NUM_STAT_TYPES; i++) {
compute_new_stats(&nfsstats, &lastst,
STAT_TYPE_TO_NFS(i), etime, &mbsec,
&kb_per_transfer,
&transfers_per_second,
&ms_per_transfer, &queue_len,
&busy_pct);
if (i == STAT_TYPE_COMMIT) {
if (widemode == 0)
continue;
printf("%2.0Lf %7.2Lf ",
transfers_per_second,
ms_per_transfer);
} else {
printf("%5.2Lf %5.0Lf %7.2Lf ",
kb_per_transfer,
transfers_per_second, mbsec);
if (widemode)
printf("%5.2Lf ",
ms_per_transfer);
}
}
compute_new_stats(&curtotal, &lasttotal, 0, etime,
&mbsec, &kb_per_transfer, &transfers_per_second,
&ms_per_transfer, &queue_len, &busy_pct);
printf("%5.2Lf %5.0Lf %7.2Lf %5.2Lf %3ju %3.0Lf\n",
kb_per_transfer, transfers_per_second, mbsec,
ms_per_transfer, queue_len, busy_pct);
} else if (serverOnly) {
printf("%s %6ju %6ju %6ju %6ju %6ju %6ju %6ju %6ju",
((clientOnly && serverOnly) ? "Server:" : ""),
(uintmax_t)DELTA(srvrpccnt[NFSV4OP_GETATTR]),
(uintmax_t)DELTA(srvrpccnt[NFSV4OP_LOOKUP]),
(uintmax_t)DELTA(srvrpccnt[NFSV4OP_READLINK]),
(uintmax_t)DELTA(srvrpccnt[NFSV4OP_READ]),
(uintmax_t)DELTA(srvrpccnt[NFSV4OP_WRITE]),
(uintmax_t)DELTA(srvrpccnt[NFSV4OP_RENAME]),
(uintmax_t)DELTA(srvrpccnt[NFSV4OP_ACCESS]),
(uintmax_t)(DELTA(srvrpccnt[NFSV4OP_READDIR]) +
DELTA(srvrpccnt[NFSV4OP_READDIRPLUS])));
printf("\n");
}
bcopy(&nfsstats, &lastst, sizeof(lastst));
bcopy(&curtotal, &lasttotal, sizeof(lasttotal));
lastts = ts;
fflush(stdout);
sleep(interval);
}
/*NOTREACHED*/
}
/*
* Nfs server daemon mostly just a user context for nfssvc()
*
* 1 - do file descriptor and signal cleanup
* 2 - fork the nfsd(s)
* 3 - create server socket(s)
* 4 - register socket with rpcbind
*
* For connectionless protocols, just pass the socket into the kernel via.
* nfssvc().
* For connection based sockets, loop doing accepts. When you get a new
* socket from accept, pass the msgsock into the kernel via. nfssvc().
* The arguments are:
* -r - reregister with rpcbind
* -d - unregister with rpcbind
* -t - support tcp nfs clients
* -u - support udp nfs clients
* followed by "n" which is the number of nfsds' to fork off
*/
int
main(int argc, char **argv)
{
struct nfsd_args nfsdargs;
struct addrinfo *ai_udp, *ai_tcp, *ai_udp6, *ai_tcp6, hints;
struct netconfig *nconf_udp, *nconf_tcp, *nconf_udp6, *nconf_tcp6;
struct netbuf nb_udp, nb_tcp, nb_udp6, nb_tcp6;
struct sockaddr_in inetpeer;
struct sockaddr_in6 inet6peer;
fd_set ready, sockbits;
fd_set v4bits, v6bits;
int ch, connect_type_cnt, i, maxsock, msgsock;
socklen_t len;
int on = 1, unregister, reregister, sock;
int tcp6sock, ip6flag, tcpflag, tcpsock;
int udpflag, ecode, s, srvcnt;
int bindhostc, bindanyflag, rpcbreg, rpcbregcnt;
char **bindhost = NULL;
pid_t pid;
struct vfsconf vfc;
int error;
error = getvfsbyname("nfs", &vfc);
if (error && vfsisloadable("nfs")) {
if (vfsload("nfs"))
err(1, "vfsload(nfs)");
endvfsent(); /* flush cache */
error = getvfsbyname("nfs", &vfc);
}
if (error)
errx(1, "NFS is not available in the running kernel");
nfsdcnt = DEFNFSDCNT;
unregister = reregister = tcpflag = maxsock = 0;
bindanyflag = udpflag = connect_type_cnt = bindhostc = 0;
#define GETOPT "ah:n:rdtu"
#define USAGE "[-ardtu] [-n num_servers] [-h bindip]"
while ((ch = getopt(argc, argv, GETOPT)) != -1)
switch (ch) {
case 'a':
bindanyflag = 1;
break;
case 'n':
nfsdcnt = atoi(optarg);
if (nfsdcnt < 1 || nfsdcnt > MAXNFSDCNT) {
warnx("nfsd count %d; reset to %d", nfsdcnt,
DEFNFSDCNT);
nfsdcnt = DEFNFSDCNT;
}
break;
case 'h':
bindhostc++;
bindhost = realloc(bindhost,sizeof(char *)*bindhostc);
if (bindhost == NULL)
errx(1, "Out of memory");
bindhost[bindhostc-1] = strdup(optarg);
if (bindhost[bindhostc-1] == NULL)
errx(1, "Out of memory");
break;
case 'r':
reregister = 1;
break;
case 'd':
unregister = 1;
break;
case 't':
tcpflag = 1;
break;
case 'u':
udpflag = 1;
break;
default:
case '?':
usage();
};
if (!tcpflag && !udpflag)
udpflag = 1;
argv += optind;
argc -= optind;
/*
* XXX
* Backward compatibility, trailing number is the count of daemons.
*/
if (argc > 1)
usage();
if (argc == 1) {
nfsdcnt = atoi(argv[0]);
if (nfsdcnt < 1 || nfsdcnt > MAXNFSDCNT) {
warnx("nfsd count %d; reset to %d", nfsdcnt,
DEFNFSDCNT);
nfsdcnt = DEFNFSDCNT;
}
}
ip6flag = 1;
s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
if (s == -1) {
if (errno != EPROTONOSUPPORT)
err(1, "socket");
ip6flag = 0;
} else if (getnetconfigent("udp6") == NULL ||
getnetconfigent("tcp6") == NULL) {
ip6flag = 0;
}
if (s != -1)
close(s);
if (bindhostc == 0 || bindanyflag) {
bindhostc++;
bindhost = realloc(bindhost,sizeof(char *)*bindhostc);
if (bindhost == NULL)
errx(1, "Out of memory");
bindhost[bindhostc-1] = strdup("*");
if (bindhost[bindhostc-1] == NULL)
errx(1, "Out of memory");
}
if (unregister) {
unregistration();
exit (0);
}
if (reregister) {
if (udpflag) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
ecode = getaddrinfo(NULL, "nfs", &hints, &ai_udp);
if (ecode != 0)
err(1, "getaddrinfo udp: %s", gai_strerror(ecode));
nconf_udp = getnetconfigent("udp");
if (nconf_udp == NULL)
err(1, "getnetconfigent udp failed");
nb_udp.buf = ai_udp->ai_addr;
nb_udp.len = nb_udp.maxlen = ai_udp->ai_addrlen;
if ((!rpcb_set(RPCPROG_NFS, 2, nconf_udp, &nb_udp)) ||
(!rpcb_set(RPCPROG_NFS, 3, nconf_udp, &nb_udp)))
err(1, "rpcb_set udp failed");
freeaddrinfo(ai_udp);
}
if (udpflag && ip6flag) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
ecode = getaddrinfo(NULL, "nfs", &hints, &ai_udp6);
if (ecode != 0)
err(1, "getaddrinfo udp6: %s", gai_strerror(ecode));
nconf_udp6 = getnetconfigent("udp6");
if (nconf_udp6 == NULL)
err(1, "getnetconfigent udp6 failed");
nb_udp6.buf = ai_udp6->ai_addr;
nb_udp6.len = nb_udp6.maxlen = ai_udp6->ai_addrlen;
if ((!rpcb_set(RPCPROG_NFS, 2, nconf_udp6, &nb_udp6)) ||
(!rpcb_set(RPCPROG_NFS, 3, nconf_udp6, &nb_udp6)))
err(1, "rpcb_set udp6 failed");
freeaddrinfo(ai_udp6);
}
if (tcpflag) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
ecode = getaddrinfo(NULL, "nfs", &hints, &ai_tcp);
if (ecode != 0)
err(1, "getaddrinfo tcp: %s", gai_strerror(ecode));
nconf_tcp = getnetconfigent("tcp");
if (nconf_tcp == NULL)
err(1, "getnetconfigent tcp failed");
nb_tcp.buf = ai_tcp->ai_addr;
nb_tcp.len = nb_tcp.maxlen = ai_tcp->ai_addrlen;
if ((!rpcb_set(RPCPROG_NFS, 2, nconf_tcp, &nb_tcp)) ||
(!rpcb_set(RPCPROG_NFS, 3, nconf_tcp, &nb_tcp)))
err(1, "rpcb_set tcp failed");
freeaddrinfo(ai_tcp);
}
if (tcpflag && ip6flag) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
ecode = getaddrinfo(NULL, "nfs", &hints, &ai_tcp6);
if (ecode != 0)
err(1, "getaddrinfo tcp6: %s", gai_strerror(ecode));
nconf_tcp6 = getnetconfigent("tcp6");
if (nconf_tcp6 == NULL)
err(1, "getnetconfigent tcp6 failed");
nb_tcp6.buf = ai_tcp6->ai_addr;
nb_tcp6.len = nb_tcp6.maxlen = ai_tcp6->ai_addrlen;
if ((!rpcb_set(RPCPROG_NFS, 2, nconf_tcp6, &nb_tcp6)) ||
(!rpcb_set(RPCPROG_NFS, 3, nconf_tcp6, &nb_tcp6)))
err(1, "rpcb_set tcp6 failed");
freeaddrinfo(ai_tcp6);
}
exit (0);
}
if (debug == 0) {
daemon(0, 0);
signal(SIGHUP, SIG_IGN);
signal(SIGINT, SIG_IGN);
/*
* nfsd sits in the kernel most of the time. It needs
* to ignore SIGTERM/SIGQUIT in order to stay alive as long
* as possible during a shutdown, otherwise loopback
* mounts will not be able to unmount.
*/
signal(SIGTERM, SIG_IGN);
signal(SIGQUIT, SIG_IGN);
}
signal(SIGSYS, nonfs);
signal(SIGCHLD, reapchild);
openlog("nfsd", LOG_PID, LOG_DAEMON);
/* If we use UDP only, we start the last server below. */
srvcnt = tcpflag ? nfsdcnt : nfsdcnt - 1;
for (i = 0; i < srvcnt; i++) {
switch ((pid = fork())) {
case -1:
syslog(LOG_ERR, "fork: %m");
nfsd_exit(1);
case 0:
break;
default:
children[i] = pid;
continue;
}
signal(SIGUSR1, child_cleanup);
setproctitle("server");
start_server(0);
}
signal(SIGUSR1, cleanup);
FD_ZERO(&v4bits);
FD_ZERO(&v6bits);
FD_ZERO(&sockbits);
rpcbregcnt = 0;
/* Set up the socket for udp and rpcb register it. */
if (udpflag) {
rpcbreg = 0;
for (i = 0; i < bindhostc; i++) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
if (setbindhost(&ai_udp, bindhost[i], hints) == 0) {
rpcbreg = 1;
rpcbregcnt++;
if ((sock = socket(ai_udp->ai_family,
ai_udp->ai_socktype,
ai_udp->ai_protocol)) < 0) {
syslog(LOG_ERR,
"can't create udp socket");
nfsd_exit(1);
}
if (bind(sock, ai_udp->ai_addr,
ai_udp->ai_addrlen) < 0) {
syslog(LOG_ERR,
"can't bind udp addr %s: %m",
bindhost[i]);
nfsd_exit(1);
}
freeaddrinfo(ai_udp);
nfsdargs.sock = sock;
nfsdargs.name = NULL;
nfsdargs.namelen = 0;
if (nfssvc(NFSSVC_ADDSOCK, &nfsdargs) < 0) {
syslog(LOG_ERR, "can't Add UDP socket");
nfsd_exit(1);
}
close(sock);
}
}
if (rpcbreg == 1) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
ecode = getaddrinfo(NULL, "nfs", &hints, &ai_udp);
if (ecode != 0) {
syslog(LOG_ERR, "getaddrinfo udp: %s",
gai_strerror(ecode));
nfsd_exit(1);
}
nconf_udp = getnetconfigent("udp");
if (nconf_udp == NULL)
err(1, "getnetconfigent udp failed");
nb_udp.buf = ai_udp->ai_addr;
nb_udp.len = nb_udp.maxlen = ai_udp->ai_addrlen;
if ((!rpcb_set(RPCPROG_NFS, 2, nconf_udp, &nb_udp)) ||
(!rpcb_set(RPCPROG_NFS, 3, nconf_udp, &nb_udp)))
err(1, "rpcb_set udp failed");
freeaddrinfo(ai_udp);
}
}
/* Set up the socket for udp6 and rpcb register it. */
if (udpflag && ip6flag) {
rpcbreg = 0;
for (i = 0; i < bindhostc; i++) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
if (setbindhost(&ai_udp6, bindhost[i], hints) == 0) {
rpcbreg = 1;
rpcbregcnt++;
if ((sock = socket(ai_udp6->ai_family,
ai_udp6->ai_socktype,
ai_udp6->ai_protocol)) < 0) {
syslog(LOG_ERR,
"can't create udp6 socket");
nfsd_exit(1);
}
if (setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY,
&on, sizeof on) < 0) {
syslog(LOG_ERR,
"can't set v6-only binding for "
"udp6 socket: %m");
nfsd_exit(1);
}
if (bind(sock, ai_udp6->ai_addr,
ai_udp6->ai_addrlen) < 0) {
syslog(LOG_ERR,
"can't bind udp6 addr %s: %m",
bindhost[i]);
nfsd_exit(1);
}
freeaddrinfo(ai_udp6);
nfsdargs.sock = sock;
nfsdargs.name = NULL;
nfsdargs.namelen = 0;
if (nfssvc(NFSSVC_ADDSOCK, &nfsdargs) < 0) {
syslog(LOG_ERR,
"can't add UDP6 socket");
nfsd_exit(1);
}
close(sock);
}
}
if (rpcbreg == 1) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
ecode = getaddrinfo(NULL, "nfs", &hints, &ai_udp6);
if (ecode != 0) {
syslog(LOG_ERR, "getaddrinfo udp6: %s",
gai_strerror(ecode));
nfsd_exit(1);
}
nconf_udp6 = getnetconfigent("udp6");
if (nconf_udp6 == NULL)
err(1, "getnetconfigent udp6 failed");
nb_udp6.buf = ai_udp6->ai_addr;
nb_udp6.len = nb_udp6.maxlen = ai_udp6->ai_addrlen;
if ((!rpcb_set(RPCPROG_NFS, 2, nconf_udp6, &nb_udp6)) ||
(!rpcb_set(RPCPROG_NFS, 3, nconf_udp6, &nb_udp6)))
err(1, "rpcb_set udp6 failed");
freeaddrinfo(ai_udp6);
}
}
/* Set up the socket for tcp and rpcb register it. */
if (tcpflag) {
rpcbreg = 0;
for (i = 0; i < bindhostc; i++) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
if (setbindhost(&ai_tcp, bindhost[i], hints) == 0) {
rpcbreg = 1;
rpcbregcnt++;
if ((tcpsock = socket(AF_INET, SOCK_STREAM,
0)) < 0) {
syslog(LOG_ERR,
"can't create tpc socket");
nfsd_exit(1);
}
if (setsockopt(tcpsock, SOL_SOCKET,
SO_REUSEADDR,
(char *)&on, sizeof(on)) < 0)
syslog(LOG_ERR,
"setsockopt SO_REUSEADDR: %m");
if (bind(tcpsock, ai_tcp->ai_addr,
ai_tcp->ai_addrlen) < 0) {
syslog(LOG_ERR,
"can't bind tcp addr %s: %m",
bindhost[i]);
nfsd_exit(1);
}
if (listen(tcpsock, 64) < 0) {
syslog(LOG_ERR, "listen failed");
nfsd_exit(1);
}
freeaddrinfo(ai_tcp);
FD_SET(tcpsock, &sockbits);
FD_SET(tcpsock, &v4bits);
maxsock = tcpsock;
connect_type_cnt++;
}
}
if (rpcbreg == 1) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
ecode = getaddrinfo(NULL, "nfs", &hints,
&ai_tcp);
if (ecode != 0) {
syslog(LOG_ERR, "getaddrinfo tcp: %s",
gai_strerror(ecode));
nfsd_exit(1);
}
nconf_tcp = getnetconfigent("tcp");
if (nconf_tcp == NULL)
err(1, "getnetconfigent tcp failed");
nb_tcp.buf = ai_tcp->ai_addr;
nb_tcp.len = nb_tcp.maxlen = ai_tcp->ai_addrlen;
if ((!rpcb_set(RPCPROG_NFS, 2, nconf_tcp,
&nb_tcp)) || (!rpcb_set(RPCPROG_NFS, 3,
nconf_tcp, &nb_tcp)))
err(1, "rpcb_set tcp failed");
freeaddrinfo(ai_tcp);
}
}
/* Set up the socket for tcp6 and rpcb register it. */
if (tcpflag && ip6flag) {
rpcbreg = 0;
for (i = 0; i < bindhostc; i++) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
if (setbindhost(&ai_tcp6, bindhost[i], hints) == 0) {
rpcbreg = 1;
rpcbregcnt++;
if ((tcp6sock = socket(ai_tcp6->ai_family,
ai_tcp6->ai_socktype,
ai_tcp6->ai_protocol)) < 0) {
syslog(LOG_ERR,
"can't create tcp6 socket");
nfsd_exit(1);
}
if (setsockopt(tcp6sock, SOL_SOCKET,
SO_REUSEADDR,
(char *)&on, sizeof(on)) < 0)
syslog(LOG_ERR,
"setsockopt SO_REUSEADDR: %m");
if (setsockopt(tcp6sock, IPPROTO_IPV6,
IPV6_V6ONLY, &on, sizeof on) < 0) {
syslog(LOG_ERR,
"can't set v6-only binding for tcp6 "
"socket: %m");
nfsd_exit(1);
}
if (bind(tcp6sock, ai_tcp6->ai_addr,
ai_tcp6->ai_addrlen) < 0) {
syslog(LOG_ERR,
"can't bind tcp6 addr %s: %m",
bindhost[i]);
nfsd_exit(1);
}
if (listen(tcp6sock, 64) < 0) {
syslog(LOG_ERR, "listen failed");
nfsd_exit(1);
}
freeaddrinfo(ai_tcp6);
FD_SET(tcp6sock, &sockbits);
FD_SET(tcp6sock, &v6bits);
if (maxsock < tcp6sock)
maxsock = tcp6sock;
connect_type_cnt++;
}
}
if (rpcbreg == 1) {
memset(&hints, 0, sizeof hints);
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
ecode = getaddrinfo(NULL, "nfs", &hints, &ai_tcp6);
if (ecode != 0) {
syslog(LOG_ERR, "getaddrinfo tcp6: %s",
gai_strerror(ecode));
nfsd_exit(1);
}
nconf_tcp6 = getnetconfigent("tcp6");
if (nconf_tcp6 == NULL)
err(1, "getnetconfigent tcp6 failed");
nb_tcp6.buf = ai_tcp6->ai_addr;
nb_tcp6.len = nb_tcp6.maxlen = ai_tcp6->ai_addrlen;
if ((!rpcb_set(RPCPROG_NFS, 2, nconf_tcp6, &nb_tcp6)) ||
(!rpcb_set(RPCPROG_NFS, 3, nconf_tcp6, &nb_tcp6)))
err(1, "rpcb_set tcp6 failed");
freeaddrinfo(ai_tcp6);
}
}
if (rpcbregcnt == 0) {
syslog(LOG_ERR, "rpcb_set() failed, nothing to do: %m");
nfsd_exit(1);
}
if (tcpflag && connect_type_cnt == 0) {
syslog(LOG_ERR, "tcp connects == 0, nothing to do: %m");
nfsd_exit(1);
}
setproctitle("master");
/*
* We always want a master to have a clean way to to shut nfsd down
* (with unregistration): if the master is killed, it unregisters and
* kills all children. If we run for UDP only (and so do not have to
* loop waiting waiting for accept), we instead make the parent
* a "server" too. start_server will not return.
*/
if (!tcpflag)
start_server(1);
/*
* Loop forever accepting connections and passing the sockets
* into the kernel for the mounts.
*/
for (;;) {
ready = sockbits;
if (connect_type_cnt > 1) {
if (select(maxsock + 1,
&ready, NULL, NULL, NULL) < 1) {
syslog(LOG_ERR, "select failed: %m");
if (errno == EINTR)
continue;
nfsd_exit(1);
}
}
for (tcpsock = 0; tcpsock <= maxsock; tcpsock++) {
if (FD_ISSET(tcpsock, &ready)) {
if (FD_ISSET(tcpsock, &v4bits)) {
len = sizeof(inetpeer);
if ((msgsock = accept(tcpsock,
(struct sockaddr *)&inetpeer, &len)) < 0) {
syslog(LOG_ERR, "accept failed: %m");
if (errno == ECONNABORTED ||
errno == EINTR)
continue;
nfsd_exit(1);
}
memset(inetpeer.sin_zero, 0,
sizeof(inetpeer.sin_zero));
if (setsockopt(msgsock, SOL_SOCKET,
SO_KEEPALIVE, (char *)&on, sizeof(on)) < 0)
syslog(LOG_ERR,
"setsockopt SO_KEEPALIVE: %m");
nfsdargs.sock = msgsock;
nfsdargs.name = (caddr_t)&inetpeer;
nfsdargs.namelen = len;
nfssvc(NFSSVC_ADDSOCK, &nfsdargs);
close(msgsock);
} else if (FD_ISSET(tcpsock, &v6bits)) {
len = sizeof(inet6peer);
if ((msgsock = accept(tcpsock,
(struct sockaddr *)&inet6peer,
&len)) < 0) {
syslog(LOG_ERR,
"accept failed: %m");
if (errno == ECONNABORTED ||
errno == EINTR)
continue;
nfsd_exit(1);
}
if (setsockopt(msgsock, SOL_SOCKET,
SO_KEEPALIVE, (char *)&on,
sizeof(on)) < 0)
syslog(LOG_ERR, "setsockopt "
"SO_KEEPALIVE: %m");
nfsdargs.sock = msgsock;
nfsdargs.name = (caddr_t)&inet6peer;
nfsdargs.namelen = len;
nfssvc(NFSSVC_ADDSOCK, &nfsdargs);
close(msgsock);
}
}
}
}
}
int
main(int argc, char *argv[])
{
int all, errs, ch, mntsize, error, nfsforce, ret;
char **typelist = NULL;
struct statfs *mntbuf, *sfs;
struct addrinfo hints;
nfsforce = all = errs = 0;
while ((ch = getopt(argc, argv, "AaF:fh:Nnt:v")) != -1)
switch (ch) {
case 'A':
all = 2;
break;
case 'a':
all = 1;
break;
case 'F':
setfstab(optarg);
break;
case 'f':
fflag |= MNT_FORCE;
break;
case 'h': /* -h implies -A. */
all = 2;
nfshost = optarg;
break;
case 'N':
nfsforce = 1;
break;
case 'n':
fflag |= MNT_NONBUSY;
break;
case 't':
if (typelist != NULL)
err(1, "only one -t option may be specified");
typelist = makevfslist(optarg);
break;
case 'v':
vflag = 1;
break;
default:
usage();
/* NOTREACHED */
}
argc -= optind;
argv += optind;
if ((fflag & MNT_FORCE) != 0 && (fflag & MNT_NONBUSY) != 0)
err(1, "-f and -n are mutually exclusive");
/* Start disks transferring immediately. */
if ((fflag & (MNT_FORCE | MNT_NONBUSY)) == 0 && nfsforce == 0)
sync();
if ((argc == 0 && !all) || (argc != 0 && all))
usage();
if (nfsforce != 0 && (argc == 0 || nfshost != NULL || typelist != NULL))
usage();
/* -h implies "-t nfs" if no -t flag. */
if ((nfshost != NULL) && (typelist == NULL))
typelist = makevfslist("nfs");
if (nfshost != NULL) {
memset(&hints, 0, sizeof hints);
error = getaddrinfo(nfshost, NULL, &hints, &nfshost_ai);
if (error)
errx(1, "%s: %s", nfshost, gai_strerror(error));
}
switch (all) {
case 2:
if ((mntsize = mntinfo(&mntbuf)) <= 0)
break;
/*
* We unmount the nfs-mounts in the reverse order
* that they were mounted.
*/
for (errs = 0, mntsize--; mntsize > 0; mntsize--) {
sfs = &mntbuf[mntsize];
if (checkvfsname(sfs->f_fstypename, typelist))
continue;
if (strcmp(sfs->f_mntonname, "/dev") == 0)
continue;
if (umountfs(sfs) != 0)
errs = 1;
}
free(mntbuf);
break;
case 1:
if (setfsent() == 0)
err(1, "%s", getfstab());
errs = umountall(typelist);
break;
case 0:
for (errs = 0; *argv != NULL; ++argv)
if (nfsforce != 0) {
/*
* First do the nfssvc() syscall to shut down
* the mount point and then do the forced
* dismount.
*/
ret = nfssvc(NFSSVC_FORCEDISM, *argv);
if (ret >= 0)
ret = unmount(*argv, MNT_FORCE);
if (ret < 0) {
warn("%s", *argv);
errs = 1;
}
} else if (checkname(*argv, typelist) != 0)
errs = 1;
break;
}
exit(errs);
}
/*
* Print a running summary of nfs statistics for the experimental client and/or
* server.
* Repeat display every interval seconds, showing statistics
* collected over that interval. Assumes that interval is non-zero.
* First line printed at top of screen is always cumulative.
*/
void
exp_sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
{
struct ext_nfsstats nfsstats, lastst, *ext_nfsstatsp;
int hdrcnt = 1;
ext_nfsstatsp = &lastst;
if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
err(1, "Can't get stats");
sleep(interval);
for (;;) {
ext_nfsstatsp = &nfsstats;
if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
err(1, "Can't get stats");
if (--hdrcnt == 0) {
printhdr(clientOnly, serverOnly);
if (clientOnly && serverOnly)
hdrcnt = 10;
else
hdrcnt = 20;
}
if (clientOnly) {
printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
((clientOnly && serverOnly) ? "Client:" : ""),
DELTA(attrcache_hits) + DELTA(attrcache_misses),
DELTA(lookupcache_hits) + DELTA(lookupcache_misses),
DELTA(biocache_readlinks),
DELTA(biocache_reads),
DELTA(biocache_writes),
nfsstats.rpccnt[NFSPROC_RENAME] -
lastst.rpccnt[NFSPROC_RENAME],
DELTA(accesscache_hits) + DELTA(accesscache_misses),
DELTA(biocache_readdirs)
);
if (widemode) {
printf(" %s %s %s %s %s %s",
sperc1(DELTA(attrcache_hits),
DELTA(attrcache_misses)),
sperc1(DELTA(lookupcache_hits),
DELTA(lookupcache_misses)),
sperc2(DELTA(biocache_reads),
DELTA(read_bios)),
sperc2(DELTA(biocache_writes),
DELTA(write_bios)),
sperc1(DELTA(accesscache_hits),
DELTA(accesscache_misses)),
sperc2(DELTA(biocache_readdirs),
DELTA(readdir_bios))
);
}
printf("\n");
lastst = nfsstats;
}
if (serverOnly) {
printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
((clientOnly && serverOnly) ? "Server:" : ""),
nfsstats.srvrpccnt[NFSV4OP_GETATTR] -
lastst.srvrpccnt[NFSV4OP_GETATTR],
nfsstats.srvrpccnt[NFSV4OP_LOOKUP] -
lastst.srvrpccnt[NFSV4OP_LOOKUP],
nfsstats.srvrpccnt[NFSV4OP_READLINK] -
lastst.srvrpccnt[NFSV4OP_READLINK],
nfsstats.srvrpccnt[NFSV4OP_READ] -
lastst.srvrpccnt[NFSV4OP_READ],
nfsstats.srvrpccnt[NFSV4OP_WRITE] -
lastst.srvrpccnt[NFSV4OP_WRITE],
nfsstats.srvrpccnt[NFSV4OP_RENAME] -
lastst.srvrpccnt[NFSV4OP_RENAME],
nfsstats.srvrpccnt[NFSV4OP_ACCESS] -
lastst.srvrpccnt[NFSV4OP_ACCESS],
(nfsstats.srvrpccnt[NFSV4OP_READDIR] -
lastst.srvrpccnt[NFSV4OP_READDIR]) +
(nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS] -
lastst.srvrpccnt[NFSV4OP_READDIRPLUS]));
printf("\n");
lastst = nfsstats;
}
fflush(stdout);
sleep(interval);
}
/*NOTREACHED*/
}
/*
* Nfs server daemon mostly just a user context for nfssvc()
*
* 1 - do file descriptor and signal cleanup
* 2 - fork the nfsd(s)
* 3 - create server socket(s)
* 4 - register socket with portmap
*
* For connectionless protocols, just pass the socket into the kernel via.
* nfssvc().
* For connection based sockets, loop doing accepts. When you get a new
* socket from accept, pass the msgsock into the kernel via. nfssvc().
* The arguments are:
* -r - reregister with portmapper
* -t - support tcp nfs clients
* -u - support udp nfs clients
* followed by "n" which is the number of nfsds' to fork off
*/
int
main(int argc, char *argv[])
{
struct nfsd_args nfsdargs;
struct sockaddr_in inetaddr, inetpeer;
fd_set *ready, *sockbits;
size_t fd_size;
int ch, connect_type_cnt, i, maxsock = 0, msgsock;
int nfsdcnt = DEFNFSDCNT, on, reregister = 0, sock;
int udpflag = 0, tcpflag = 0, tcpsock;
const char *errstr = NULL;
socklen_t len;
/* Start by writing to both console and log. */
openlog("nfsd", LOG_PID | LOG_PERROR, LOG_DAEMON);
if (argc == 1)
udpflag = 1;
while ((ch = getopt(argc, argv, "n:rtu")) != -1)
switch (ch) {
case 'n':
nfsdcnt = strtonum(optarg, 1, MAXNFSDCNT, &errstr);
if (errstr) {
syslog(LOG_ERR, "nfsd count is %s: %s", errstr, optarg);
return(1);
}
break;
case 'r':
reregister = 1;
break;
case 't':
tcpflag = 1;
break;
case 'u':
udpflag = 1;
break;
default:
usage();
};
argv += optind;
argc -= optind;
/*
* XXX
* Backward compatibility, trailing number is the count of daemons.
*/
if (argc > 1)
usage();
if (argc == 1) {
nfsdcnt = strtonum(argv[0], 1, MAXNFSDCNT, &errstr);
if (errstr) {
syslog(LOG_ERR, "nfsd count is %s: %s", errstr, optarg);
return(1);
}
}
if (debug == 0) {
daemon(0, 0);
(void)signal(SIGHUP, SIG_IGN);
(void)signal(SIGINT, SIG_IGN);
(void)signal(SIGQUIT, SIG_IGN);
(void)signal(SIGSYS, nonfs);
}
(void)signal(SIGCHLD, reapchild);
if (reregister) {
if (udpflag &&
(!pmap_set(RPCPROG_NFS, 2, IPPROTO_UDP, NFS_PORT) ||
!pmap_set(RPCPROG_NFS, 3, IPPROTO_UDP, NFS_PORT))) {
syslog(LOG_ERR, "can't register with portmap for UDP (%m).");
return (1);
}
if (tcpflag &&
(!pmap_set(RPCPROG_NFS, 2, IPPROTO_TCP, NFS_PORT) ||
!pmap_set(RPCPROG_NFS, 3, IPPROTO_TCP, NFS_PORT))) {
syslog(LOG_ERR, "can't register with portmap for TCP (%m).");
return (1);
}
return (0);
}
/* Cut back to writing to log only. */
closelog();
openlog("nfsd", LOG_PID, LOG_DAEMON);
for (i = 0; i < nfsdcnt; i++) {
switch (fork()) {
case -1:
syslog(LOG_ERR, "fork: %m");
return (1);
case 0:
break;
default:
continue;
}
setproctitle("server");
nsd.nsd_nfsd = NULL;
if (nfssvc(NFSSVC_NFSD, &nsd) < 0) {
syslog(LOG_ERR, "nfssvc: %m");
return (1);
}
return (0);
}
/* If we are serving udp, set up the socket. */
if (udpflag) {
if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
syslog(LOG_ERR, "can't create udp socket");
return (1);
}
memset(&inetaddr, 0, sizeof inetaddr);
inetaddr.sin_family = AF_INET;
inetaddr.sin_addr.s_addr = INADDR_ANY;
inetaddr.sin_port = htons(NFS_PORT);
inetaddr.sin_len = sizeof(inetaddr);
if (bind(sock, (struct sockaddr *)&inetaddr,
sizeof(inetaddr)) < 0) {
syslog(LOG_ERR, "can't bind udp addr");
return (1);
}
if (!pmap_set(RPCPROG_NFS, 2, IPPROTO_UDP, NFS_PORT) ||
!pmap_set(RPCPROG_NFS, 3, IPPROTO_UDP, NFS_PORT)) {
syslog(LOG_ERR, "can't register with udp portmap");
return (1);
}
nfsdargs.sock = sock;
nfsdargs.name = NULL;
nfsdargs.namelen = 0;
if (nfssvc(NFSSVC_ADDSOCK, &nfsdargs) < 0) {
syslog(LOG_ERR, "can't Add UDP socket");
return (1);
}
(void)close(sock);
}
/* Now set up the master server socket waiting for tcp connections. */
on = 1;
connect_type_cnt = 0;
if (tcpflag) {
if ((tcpsock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
syslog(LOG_ERR, "can't create tcp socket");
return (1);
}
if (setsockopt(tcpsock,
SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) < 0)
syslog(LOG_ERR, "setsockopt SO_REUSEADDR: %m");
memset(&inetaddr, 0, sizeof inetaddr);
inetaddr.sin_family = AF_INET;
inetaddr.sin_addr.s_addr = INADDR_ANY;
inetaddr.sin_port = htons(NFS_PORT);
inetaddr.sin_len = sizeof(inetaddr);
if (bind(tcpsock, (struct sockaddr *)&inetaddr,
sizeof (inetaddr)) < 0) {
syslog(LOG_ERR, "can't bind tcp addr");
return (1);
}
if (listen(tcpsock, 5) < 0) {
syslog(LOG_ERR, "listen failed");
return (1);
}
if (!pmap_set(RPCPROG_NFS, 2, IPPROTO_TCP, NFS_PORT) ||
!pmap_set(RPCPROG_NFS, 3, IPPROTO_TCP, NFS_PORT)) {
syslog(LOG_ERR, "can't register tcp with portmap");
return (1);
}
maxsock = tcpsock;
connect_type_cnt++;
}
if (connect_type_cnt == 0)
return (0);
setproctitle("master");
/*
* Allocate space for the fd_set pointers and fill in sockbits
*/
fd_size = howmany(maxsock + 1, NFDBITS) * sizeof(fd_mask);
sockbits = malloc(fd_size);
ready = malloc(fd_size);
if (sockbits == NULL || ready == NULL) {
syslog(LOG_ERR, "cannot allocate memory");
return (1);
}
memset(sockbits, 0, fd_size);
if (tcpflag)
FD_SET(tcpsock, sockbits);
/*
* Loop forever accepting connections and passing the sockets
* into the kernel for the mounts.
*/
for (;;) {
memcpy(ready, sockbits, fd_size);
if (connect_type_cnt > 1) {
if (select(maxsock + 1,
ready, NULL, NULL, NULL) < 1) {
syslog(LOG_ERR, "select failed: %m");
return (1);
}
}
if (tcpflag && FD_ISSET(tcpsock, ready)) {
len = sizeof(inetpeer);
if ((msgsock = accept(tcpsock,
(struct sockaddr *)&inetpeer, &len)) < 0) {
if (errno == EWOULDBLOCK || errno == EINTR ||
errno == ECONNABORTED)
continue;
syslog(LOG_ERR, "accept failed: %m");
return (1);
}
memset(inetpeer.sin_zero, 0, sizeof(inetpeer.sin_zero));
if (setsockopt(msgsock, SOL_SOCKET,
SO_KEEPALIVE, &on, sizeof(on)) < 0)
syslog(LOG_ERR,
"setsockopt SO_KEEPALIVE: %m");
nfsdargs.sock = msgsock;
nfsdargs.name = (caddr_t)&inetpeer;
nfsdargs.namelen = sizeof(inetpeer);
if (nfssvc(NFSSVC_ADDSOCK, &nfsdargs) < 0) {
syslog(LOG_ERR, "can't Add TCP socket");
return (1);
}
(void)close(msgsock);
}
}
}
int
main(int argc, char **argv)
{
u_int interval;
int clientOnly = -1;
int serverOnly = -1;
int newStats = 0;
int ch;
char *memf, *nlistf;
int mntlen, i;
char buf[1024];
struct statfs *mntbuf;
struct nfscl_dumpmntopts dumpmntopts;
interval = 0;
memf = nlistf = NULL;
argc = xo_parse_args(argc, argv);
if (argc < 0)
exit(1);
xo_set_version(NFSSTAT_XO_VERSION);
while ((ch = getopt(argc, argv, "cdEesWM:mN:w:zq")) != -1)
switch(ch) {
case 'M':
memf = optarg;
break;
case 'm':
/* Display mount options for NFS mount points. */
mntlen = getmntinfo(&mntbuf, MNT_NOWAIT);
for (i = 0; i < mntlen; i++) {
if (strcmp(mntbuf->f_fstypename, "nfs") == 0) {
dumpmntopts.ndmnt_fname =
mntbuf->f_mntonname;
dumpmntopts.ndmnt_buf = buf;
dumpmntopts.ndmnt_blen = sizeof(buf);
if (nfssvc(NFSSVC_DUMPMNTOPTS,
&dumpmntopts) >= 0)
printf("%s on %s\n%s\n",
mntbuf->f_mntfromname,
mntbuf->f_mntonname, buf);
else if (errno == EPERM)
errx(1, "Only priviledged users"
" can use the -m option");
}
mntbuf++;
}
exit(0);
case 'N':
nlistf = optarg;
break;
case 'W':
widemode = 1;
break;
case 'w':
interval = atoi(optarg);
break;
case 'c':
clientOnly = 1;
if (serverOnly < 0)
serverOnly = 0;
break;
case 'd':
newStats = 1;
if (interval == 0)
interval = 1;
break;
case 's':
serverOnly = 1;
if (clientOnly < 0)
clientOnly = 0;
break;
case 'z':
zflag = 1;
break;
case 'E':
if (extra_output != 0)
xo_err(1, "-e and -E are mutually exclusive");
extra_output = 2;
break;
case 'e':
if (extra_output != 0)
xo_err(1, "-e and -E are mutually exclusive");
extra_output = 1;
break;
case 'q':
printtitle = 0;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
#define BACKWARD_COMPATIBILITY
#ifdef BACKWARD_COMPATIBILITY
if (*argv) {
interval = atoi(*argv);
if (*++argv) {
nlistf = *argv;
if (*++argv)
memf = *argv;
}
}
#endif
if (modfind("nfscommon") < 0)
xo_err(1, "NFS client/server not loaded");
if (interval) {
exp_sidewaysintpr(interval, clientOnly, serverOnly,
newStats);
} else {
xo_open_container("nfsstat");
if (extra_output != 0)
exp_intpr(clientOnly, serverOnly, extra_output - 1);
else
intpr(clientOnly, serverOnly);
xo_close_container("nfsstat");
}
xo_finish();
exit(0);
}
/*
* NFS stuff and unmount(2) call
*/
int
umountfs(struct statfs *sfs)
{
char fsidbuf[64];
enum clnt_stat clnt_stat;
struct timeval try;
struct addrinfo *ai, hints;
int do_rpc;
CLIENT *clp;
char *nfsdirname, *orignfsdirname;
char *hostp, *delimp;
char buf[1024];
struct nfscl_dumpmntopts dumpmntopts;
const char *proto_ptr = NULL;
ai = NULL;
do_rpc = 0;
hostp = NULL;
nfsdirname = delimp = orignfsdirname = NULL;
memset(&hints, 0, sizeof hints);
if (strcmp(sfs->f_fstypename, "nfs") == 0) {
if ((nfsdirname = strdup(sfs->f_mntfromname)) == NULL)
err(1, "strdup");
orignfsdirname = nfsdirname;
if (*nfsdirname == '[' &&
(delimp = strchr(nfsdirname + 1, ']')) != NULL &&
*(delimp + 1) == ':') {
hostp = nfsdirname + 1;
nfsdirname = delimp + 2;
} else if ((delimp = strrchr(nfsdirname, ':')) != NULL) {
hostp = nfsdirname;
nfsdirname = delimp + 1;
}
if (hostp != NULL) {
*delimp = '\0';
getaddrinfo(hostp, NULL, &hints, &ai);
if (ai == NULL) {
warnx("can't get net id for host");
}
}
/*
* Check if we have to start the rpc-call later.
* If there are still identical nfs-names mounted,
* we skip the rpc-call. Obviously this has to
* happen before unmount(2), but it should happen
* after the previous namecheck.
* A non-NULL return means that this is the last
* mount from mntfromname that is still mounted.
*/
if (getmntentry(sfs->f_mntfromname, NULL, NULL,
CHECKUNIQUE) != NULL) {
do_rpc = 1;
proto_ptr = "udp";
/*
* Try and find out whether this NFS mount is NFSv4 and
* what protocol is being used. If this fails, the
* default is NFSv2,3 and use UDP for the Unmount RPC.
*/
dumpmntopts.ndmnt_fname = sfs->f_mntonname;
dumpmntopts.ndmnt_buf = buf;
dumpmntopts.ndmnt_blen = sizeof(buf);
if (nfssvc(NFSSVC_DUMPMNTOPTS, &dumpmntopts) >= 0) {
if (strstr(buf, "nfsv4,") != NULL)
do_rpc = 0;
else if (strstr(buf, ",tcp,") != NULL)
proto_ptr = "tcp";
}
}
}
if (!namematch(ai)) {
free(orignfsdirname);
return (1);
}
/* First try to unmount using the file system ID. */
snprintf(fsidbuf, sizeof(fsidbuf), "FSID:%d:%d", sfs->f_fsid.val[0],
sfs->f_fsid.val[1]);
if (unmount(fsidbuf, fflag | MNT_BYFSID) != 0) {
/* XXX, non-root users get a zero fsid, so don't warn. */
if (errno != ENOENT || sfs->f_fsid.val[0] != 0 ||
sfs->f_fsid.val[1] != 0)
warn("unmount of %s failed", sfs->f_mntonname);
if (errno != ENOENT) {
free(orignfsdirname);
return (1);
}
/* Compatibility for old kernels. */
if (sfs->f_fsid.val[0] != 0 || sfs->f_fsid.val[1] != 0)
warnx("retrying using path instead of file system ID");
if (unmount(sfs->f_mntonname, fflag) != 0) {
warn("unmount of %s failed", sfs->f_mntonname);
free(orignfsdirname);
return (1);
}
}
/* Mark this this file system as unmounted. */
getmntentry(NULL, NULL, &sfs->f_fsid, REMOVE);
if (vflag)
(void)printf("%s: unmount from %s\n", sfs->f_mntfromname,
sfs->f_mntonname);
/*
* Report to mountd-server which nfsname
* has been unmounted.
*/
if (ai != NULL && !(fflag & MNT_FORCE) && do_rpc) {
clp = clnt_create(hostp, MOUNTPROG, MOUNTVERS3, proto_ptr);
if (clp == NULL) {
warnx("%s: %s", hostp,
clnt_spcreateerror("MOUNTPROG"));
free(orignfsdirname);
return (1);
}
clp->cl_auth = authsys_create_default();
try.tv_sec = 20;
try.tv_usec = 0;
clnt_stat = clnt_call(clp, MOUNTPROC_UMNT, (xdrproc_t)xdr_dir,
nfsdirname, (xdrproc_t)xdr_void, (caddr_t)0, try);
if (clnt_stat != RPC_SUCCESS) {
warnx("%s: %s", hostp,
clnt_sperror(clp, "RPCMNT_UMOUNT"));
free(orignfsdirname);
return (1);
}
/*
* Remove the unmounted entry from /var/db/mounttab.
*/
if (read_mtab()) {
clean_mtab(hostp, nfsdirname, vflag);
if(!write_mtab(vflag))
warnx("cannot remove mounttab entry %s:%s",
hostp, nfsdirname);
free_mtab();
}
auth_destroy(clp->cl_auth);
clnt_destroy(clp);
}
/*
* Print a description of the nfs stats for the client/server,
* including NFSv4.1.
*/
static void
exp_intpr(int clientOnly, int serverOnly, int nfs41)
{
int nfssvc_flag;
xo_open_container("nfsv4");
nfssvc_flag = NFSSVC_GETSTATS | NFSSVC_NEWSTRUCT;
if (zflag != 0) {
if (clientOnly != 0)
nfssvc_flag |= NFSSVC_ZEROCLTSTATS;
if (serverOnly != 0)
nfssvc_flag |= NFSSVC_ZEROSRVSTATS;
}
ext_nfsstats.vers = NFSSTATS_V1;
if (nfssvc(nfssvc_flag, &ext_nfsstats) < 0)
xo_err(1, "Can't get stats");
if (clientOnly != 0) {
xo_open_container("clientstats");
xo_open_container("operations");
if (printtitle) {
xo_emit("{T:Client Info:}\n");
xo_emit("{T:RPC Counts:}\n");
}
xo_emit("{T:Getattr/%13.13s}{T:Setattr/%13.13s}"
"{T:Lookup/%13.13s}{T:Readlink/%13.13s}"
"{T:Read/%13.13s}{T:Write/%13.13s}\n");
xo_emit("{:getattr/%13ju}{:setattr/%13ju}{:lookup/%13ju}"
"{:readlink/%13ju}{:read/%13ju}{:write/%13ju}\n",
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_GETATTR],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETATTR],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LOOKUP],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READLINK],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READ],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_WRITE]);
xo_emit("{T:Create/%13.13s}{T:Remove/%13.13s}"
"{T:Rename/%13.13s}{T:Link/%13.13s}"
"{T:Symlink/%13.13s}{T:Mkdir/%13.13s}\n");
xo_emit("{:create/%13ju}{:remove/%13ju}{:rename/%13ju}"
"{:link/%13ju}{:symlink/%13ju}{:mkdir/%13ju}\n",
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_CREATE],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_REMOVE],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RENAME],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LINK],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SYMLINK],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_MKDIR]);
xo_emit("{T:Rmdir/%13.13s}{T:Readdir/%13.13s}"
"{T:RdirPlus/%13.13s}{T:Access/%13.13s}"
"{T:Mknod/%13.13s}{T:Fsstat/%13.13s}\n");
xo_emit("{:rmdir/%13ju}{:readdir/%13ju}{:rdirplus/%13ju}"
"{:access/%13ju}{:mknod/%13ju}{:fsstat/%13ju}\n",
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RMDIR],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READDIR],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READDIRPLUS],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_ACCESS],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_MKNOD],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_FSSTAT]);
xo_emit("{T:FSinfo/%13.13s}{T:pathConf/%13.13s}"
"{T:Commit/%13.13s}{T:SetClId/%13.13s}"
"{T:SetClIdCf/%13.13s}{T:Lock/%13.13s}\n");
xo_emit("{:fsinfo/%13ju}{:pathconf/%13ju}{:commit/%13ju}"
"{:setclientid/%13ju}{:setclientidcf/%13ju}{:lock/%13ju}\n",
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_FSINFO],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_PATHCONF],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_COMMIT],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETCLIENTID],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETCLIENTIDCFRM],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LOCK]);
xo_emit("{T:LockT/%13.13s}{T:LockU/%13.13s}"
"{T:Open/%13.13s}{T:OpenCfr/%13.13s}\n");
xo_emit("{:lockt/%13ju}{:locku/%13ju}"
"{:open/%13ju}{:opencfr/%13ju}\n",
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LOCKT],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LOCKU],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_OPEN],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_OPENCONFIRM]);
if (nfs41) {
xo_open_container("nfsv41");
xo_emit("{T:OpenDownGr/%13.13s}{T:Close/%13.13s}\n");
xo_emit("{:opendowngr/%13ju}{:close/%13ju}\n",
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_OPENDOWNGRADE],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_CLOSE]);
xo_emit("{T:RelLckOwn/%13.13s}{T:FreeStateID/%13.13s}"
"{T:PutRootFH/%13.13s}{T:DelegRet/%13.13s}"
"{T:GetAcl/%13.13s}{T:SetAcl/%13.13s}\n");
xo_emit("{:rellckown/%13ju}{:freestateid/%13ju}"
"{:getacl/%13ju}{:delegret/%13ju}"
"{:getacl/%13ju}{:setacl/%13ju}\n",
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RELEASELCKOWN],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_FREESTATEID],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_PUTROOTFH],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_DELEGRETURN],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_GETACL],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_SETACL]);
xo_emit("{T:ExchangeId/%13.13s}{T:CreateSess/%13.13s}"
"{T:DestroySess/%13.13s}{T:DestroyClId/%13.13s}"
"{T:LayoutGet/%13.13s}{T:GetDevInfo/%13.13s}\n");
xo_emit("{:exchangeid/%13ju}{:createsess/%13ju}"
"{:destroysess/%13ju}{:destroyclid/%13ju}"
"{:layoutget/%13ju}{:getdevinfo/%13ju}\n",
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_EXCHANGEID],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_CREATESESSION],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_DESTROYSESSION],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_DESTROYCLIENT],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LAYOUTGET],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_GETDEVICEINFO]);
xo_emit("{T:LayoutCommit/%13.13s}{T:LayoutReturn/%13.13s}"
"{T:ReclaimCompl/%13.13s}{T:ReadDataS/%13.13s}"
"{T:WriteDataS/%13.13s}{T:CommitDataS/%13.13s}\n");
xo_emit("{:layoutcomit/%13ju}{:layoutreturn/%13ju}"
"{:reclaimcompl/%13ju}{:readdatas/%13ju}"
"{:writedatas/%13ju}{:commitdatas/%13ju}\n",
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LAYOUTCOMMIT],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_LAYOUTRETURN],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_RECLAIMCOMPL],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_READDS],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_WRITEDS],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_COMMITDS]);
xo_emit("{T:OpenLayout/%13.13s}{T:CreateLayout/%13.13s}\n");
xo_emit("{:openlayout/%13ju}{:createlayout/%13ju}\n",
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_OPENLAYGET],
(uintmax_t)ext_nfsstats.rpccnt[NFSPROC_CREATELAYGET]);
xo_close_container("nfsv41");
}
xo_close_container("operations");
xo_open_container("client");
xo_emit("{T:OpenOwner/%13.13s}{T:Opens/%13.13s}"
"{T:LockOwner/%13.13s}{T:Locks/%13.13s}"
"{T:Delegs/%13.13s}{T:LocalOwn/%13.13s}\n");
xo_emit("{:openowner/%13ju}{:opens/%13ju}"
"{:lockowner/%13ju}{:locks/%13ju}"
"{:delegs/%13ju}{:localown/%13ju}\n",
(uintmax_t)ext_nfsstats.clopenowners,
(uintmax_t)ext_nfsstats.clopens,
(uintmax_t)ext_nfsstats.cllockowners,
(uintmax_t)ext_nfsstats.cllocks,
(uintmax_t)ext_nfsstats.cldelegates,
(uintmax_t)ext_nfsstats.cllocalopenowners);
xo_emit("{T:LocalOpen/%13.13s}{T:LocalLown/%13.13s}"
"{T:LocalLock/%13.13s}\n");
xo_emit("{:localopen/%13ju}{:locallown/%13ju}"
"{:locallock/%13ju}\n",
(uintmax_t)ext_nfsstats.cllocalopens,
(uintmax_t)ext_nfsstats.cllocallockowners,
(uintmax_t)ext_nfsstats.cllocallocks);
xo_close_container("client");
xo_open_container("rpc");
if (printtitle)
xo_emit("{T:Rpc Info:}\n");
xo_emit("{T:TimedOut/%13.13s}{T:Invalid/%13.13s}"
"{T:X Replies/%13.13s}{T:Retries/%13.13s}"
"{T:Requests/%13.13s}\n");
xo_emit("{:timedout/%13ju}{:invalid/%13ju}"
"{:xreplies/%13ju}{:retries/%13ju}"
"{:requests/%13ju}\n",
(uintmax_t)ext_nfsstats.rpctimeouts,
(uintmax_t)ext_nfsstats.rpcinvalid,
(uintmax_t)ext_nfsstats.rpcunexpected,
(uintmax_t)ext_nfsstats.rpcretries,
(uintmax_t)ext_nfsstats.rpcrequests);
xo_close_container("rpc");
xo_open_container("cache");
if (printtitle)
xo_emit("{T:Cache Info:}\n");
xo_emit("{T:Attr Hits/%13.13s}{T:Attr Misses/%13.13s}"
"{T:Lkup Hits/%13.13s}{T:Lkup Misses/%13.13s}\n");
xo_emit("{:attrhits/%13ju}{:attrmisses/%13ju}"
"{:lkuphits/%13ju}{:lkupmisses/%13ju}\n",
(uintmax_t)ext_nfsstats.attrcache_hits,
(uintmax_t)ext_nfsstats.attrcache_misses,
(uintmax_t)ext_nfsstats.lookupcache_hits,
(uintmax_t)ext_nfsstats.lookupcache_misses);
xo_emit("{T:BioR Hits/%13.13s}{T:BioR Misses/%13.13s}"
"{T:BioW Hits/%13.13s}{T:BioW Misses/%13.13s}\n");
xo_emit("{:biorhits/%13ju}{:biormisses/%13ju}"
"{:biowhits/%13ju}{:biowmisses/%13ju}\n",
(uintmax_t)(ext_nfsstats.biocache_reads -
ext_nfsstats.read_bios),
(uintmax_t)ext_nfsstats.read_bios,
(uintmax_t)(ext_nfsstats.biocache_writes -
ext_nfsstats.write_bios),
(uintmax_t)ext_nfsstats.write_bios);
xo_emit("{T:BioRL Hits/%13.13s}{T:BioRL Misses/%13.13s}"
"{T:BioD Hits/%13.13s}{T:BioD Misses/%13.13s}\n");
xo_emit("{:biorlhits/%13ju}{:biorlmisses/%13ju}"
"{:biodhits/%13ju}{:biodmisses/%13ju}\n",
(uintmax_t)(ext_nfsstats.biocache_readlinks -
ext_nfsstats.readlink_bios),
(uintmax_t)ext_nfsstats.readlink_bios,
(uintmax_t)(ext_nfsstats.biocache_readdirs -
ext_nfsstats.readdir_bios),
(uintmax_t)ext_nfsstats.readdir_bios);
xo_emit("{T:DirE Hits/%13.13s}{T:DirE Misses/%13.13s}\n");
xo_emit("{:direhits/%13ju}{:diremisses/%13ju}\n",
(uintmax_t)ext_nfsstats.direofcache_hits,
(uintmax_t)ext_nfsstats.direofcache_misses);
xo_open_container("cache");
xo_close_container("clientstats");
}
if (serverOnly != 0) {
xo_open_container("serverstats");
xo_open_container("operations");
if (printtitle)
xo_emit("{T:Server Info:}\n");
xo_emit("{T:Getattr/%13.13s}{T:Setattr/%13.13s}"
"{T:Lookup/%13.13s}{T:Readlink/%13.13s}"
"{T:Read/%13.13s}{T:Write/%13.13s}\n");
xo_emit("{:getattr/%13ju}{:setattr/%13ju}{:lookup/%13ju}"
"{:readlink/%13ju}{:read/%13ju}{:write/%13ju}\n",
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETATTR],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETATTR],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUP],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READLINK],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READ],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WRITE]);
xo_emit("{T:Create/%13.13s}{T:Remove/%13.13s}"
"{T:Rename/%13.13s}{T:Link/%13.13s}"
"{T:Symlink/%13.13s}{T:Mkdir/%13.13s}\n");
xo_emit("{:create/%13ju}{:remove/%13ju}{:rename/%13ju}"
"{:link/%13ju}{:symlink/%13ju}{:mkdir/%13ju}\n",
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_V3CREATE],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_REMOVE],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RENAME],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LINK],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SYMLINK],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_MKDIR]);
xo_emit("{T:Rmdir/%13.13s}{T:Readdir/%13.13s}"
"{T:RdirPlus/%13.13s}{T:Access/%13.13s}"
"{T:Mknod/%13.13s}{T:Fsstat/%13.13s}\n");
xo_emit("{:rmdir/%13ju}{:readdir/%13ju}{:rdirplus/%13ju}"
"{:access/%13ju}{:mknod/%13ju}{:fsstat/%13ju}\n",
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RMDIR],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READDIR],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_ACCESS],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_MKNOD],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_FSSTAT]);
xo_emit("{T:FSinfo/%13.13s}{T:pathConf/%13.13s}"
"{T:Commit/%13.13s}{T:LookupP/%13.13s}"
"{T:SetClId/%13.13s}{T:SetClIdCf/%13.13s}\n");
xo_emit("{:fsinfo/%13ju}{:pathconf/%13ju}{:commit/%13ju}"
"{:lookupp/%13ju}{:setclientid/%13ju}{:setclientidcfrm/%13ju}\n",
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_FSINFO],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_PATHCONF],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_COMMIT],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOOKUPP],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTID],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETCLIENTIDCFRM]);
xo_emit("{T:Open/%13.13s}{T:OpenAttr/%13.13s}"
"{T:OpenDwnGr/%13.13s}{T:OpenCfrm/%13.13s}"
"{T:DelePurge/%13.13s}{T:DelRet/%13.13s}\n");
xo_emit("{:open/%13ju}{:openattr/%13ju}{:opendwgr/%13ju}"
"{:opencfrm/%13ju}{:delepurge/%13ju}{:delreg/%13ju}\n",
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_OPEN],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_OPENATTR],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_OPENDOWNGRADE],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_OPENCONFIRM],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_DELEGPURGE],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_DELEGRETURN]);
xo_emit("{T:GetFH/%13.13s}{T:Lock/%13.13s}"
"{T:LockT/%13.13s}{T:LockU/%13.13s}"
"{T:Close/%13.13s}{T:Verify/%13.13s}\n");
xo_emit("{:getfh/%13ju}{:lock/%13ju}{:lockt/%13ju}"
"{:locku/%13ju}{:close/%13ju}{:verify/%13ju}\n",
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETFH],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOCK],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOCKT],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LOCKU],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_CLOSE],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_VERIFY]);
xo_emit("{T:NVerify/%13.13s}{T:PutFH/%13.13s}"
"{T:PutPubFH/%13.13s}{T:PutRootFH/%13.13s}"
"{T:Renew/%13.13s}{T:RestoreFH/%13.13s}\n");
xo_emit("{:nverify/%13ju}{:putfh/%13ju}{:putpubfh/%13ju}"
"{:putrootfh/%13ju}{:renew/%13ju}{:restore/%13ju}\n",
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_NVERIFY],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_PUTFH],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_PUTPUBFH],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_PUTROOTFH],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RENEW],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RESTOREFH]);
xo_emit("{T:SaveFH/%13.13s}{T:Secinfo/%13.13s}"
"{T:RelLockOwn/%13.13s}{T:V4Create/%13.13s}\n");
xo_emit("{:savefh/%13ju}{:secinfo/%13ju}{:rellockown/%13ju}"
"{:v4create/%13ju}\n",
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SAVEFH],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SECINFO],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RELEASELCKOWN],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_CREATE]);
if (nfs41) {
xo_open_container("nfsv41");
xo_emit("{T:BackChannelCtrl/%13.13s}{T:BindConnToSess/%13.13s}"
"{T:ExchangeID/%13.13s}{T:CreateSess/%13.13s}"
"{T:DestroySess/%13.13s}{T:FreeStateID/%13.13s}\n");
xo_emit("{:backchannelctrl/%13ju}{:bindconntosess/%13ju}"
"{:exchangeid/%13ju}{:createsess/%13ju}"
"{:destroysess/%13ju}{:freestateid/%13ju}\n",
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_BACKCHANNELCTL],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_BINDCONNTOSESS],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_EXCHANGEID],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_CREATESESSION],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_DESTROYSESSION],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_FREESTATEID]),
xo_emit("{T:GetDirDeleg/%13.13s}{T:GetDevInfo/%13.13s}"
"{T:GetDevList/%13.13s}{T:layoutCommit/%13.13s}"
"{T:LayoutGet/%13.13s}{T:LayoutReturn/%13.13s}\n");
xo_emit("{:getdirdeleg/%13ju}{:getdevinfo/%13ju}"
"{:getdevlist/%13ju}{:layoutcommit/%13ju}"
"{:layoutget/%13ju}{:layoutreturn/%13ju}\n",
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETDIRDELEG],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETDEVINFO],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_GETDEVLIST],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LAYOUTCOMMIT],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LAYOUTGET],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_LAYOUTRETURN]);
xo_emit("{T:SecInfNoName/%13.13s}{T:Sequence/%13.13s}"
"{T:SetSSV/%13.13s}{T:TestStateID/%13.13s}"
"{T:WantDeleg/%13.13s}{T:DestroyClId/%13.13s}\n");
xo_emit("{:secinfnoname/%13ju}{:sequence/%13ju}"
"{:setssv/%13ju}{:teststateid/%13ju}{:wantdeleg/%13ju}"
"{:destroyclid/%13ju}\n",
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SECINFONONAME],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SEQUENCE],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_SETSSV],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_TESTSTATEID],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_WANTDELEG],
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_DESTROYCLIENTID]);
xo_emit("{T:ReclaimCompl/%13.13s}\n");
xo_emit("{:reclaimcompl/%13ju}\n",
(uintmax_t)ext_nfsstats.srvrpccnt[NFSV4OP_RECLAIMCOMPL]);
xo_close_container("nfsv41");
}
xo_close_container("operations");
if (printtitle)
xo_emit("{T:Server:}\n");
xo_open_container("server");
xo_emit("{T:Retfailed/%13.13s}{T:Faults/%13.13s}"
"{T:Clients/%13.13s}\n");
xo_emit("{:retfailed/%13ju}{:faults/%13ju}{:clients/%13ju}\n",
(uintmax_t)ext_nfsstats.srv_errs,
(uintmax_t)ext_nfsstats.srvrpc_errs,
(uintmax_t)ext_nfsstats.srvclients);
xo_emit("{T:OpenOwner/%13.13s}{T:Opens/%13.13s}"
"{T:LockOwner/%13.13s}{T:Locks/%13.13s}"
"{T:Delegs/%13.13s}\n");
xo_emit("{:openowner/%13ju}{:opens/%13ju}{:lockowner/%13ju}"
"{:locks/%13ju}{:delegs/%13ju}\n",
(uintmax_t)ext_nfsstats.srvopenowners,
(uintmax_t)ext_nfsstats.srvopens,
(uintmax_t)ext_nfsstats.srvlockowners,
(uintmax_t)ext_nfsstats.srvlocks,
(uintmax_t)ext_nfsstats.srvdelegates);
xo_close_container("server");
if (printtitle)
xo_emit("{T:Server Cache Stats:}\n");
xo_open_container("cache");
xo_emit("{T:Inprog/%13.13s}{T:Idem/%13.13s}"
"{T:Non-idem/%13.13s}{T:Misses/%13.13s}"
"{T:CacheSize/%13.13s}{T:TCPPeak/%13.13s}\n");
xo_emit("{:inprog/%13ju}{:idem/%13ju}{:nonidem/%13ju}"
"{:misses/%13ju}{:cachesize/%13ju}{:tcppeak/%13ju}\n",
(uintmax_t)ext_nfsstats.srvcache_inproghits,
(uintmax_t)ext_nfsstats.srvcache_idemdonehits,
(uintmax_t)ext_nfsstats.srvcache_nonidemdonehits,
(uintmax_t)ext_nfsstats.srvcache_misses,
(uintmax_t)ext_nfsstats.srvcache_size,
(uintmax_t)ext_nfsstats.srvcache_tcppeak);
xo_close_container("cache");
xo_close_container("serverstats");
}
xo_close_container("nfsv4");
}
/*
* Nfs callback server daemon.
*
* 1 - do file descriptor and signal cleanup
* 2 - fork the nfscbd(s)
* 4 - create callback server socket(s)
* 5 - set up server socket for rpc
*
* For connectionless protocols, just pass the socket into the kernel via.
* nfssvc().
* For connection based sockets, loop doing accepts. When you get a new
* socket from accept, pass the msgsock into the kernel via. nfssvc().
*/
int
main(int argc, char *argv[])
{
struct nfscbd_args nfscbdargs;
struct nfsd_nfscbd_args nfscbdargs2;
struct sockaddr_in inetaddr, inetpeer;
fd_set ready, sockbits;
int ch, connect_type_cnt, len, maxsock, msgsock, error;
int nfssvc_flag, on, sock, tcpsock, ret, mustfreeai = 0;
char *cp, princname[128];
char myname[MAXHOSTNAMELEN], *myfqdnname = NULL;
struct addrinfo *aip, hints;
pid_t pid;
short myport = NFSV4_CBPORT;
if (modfind("nfscl") < 0) {
/* Not present in kernel, try loading it */
if (kldload("nfscl") < 0 ||
modfind("nfscl") < 0)
errx(1, "nfscl is not available");
}
/*
* First, get our fully qualified host name, if possible.
*/
if (gethostname(myname, MAXHOSTNAMELEN) >= 0) {
cp = strchr(myname, '.');
if (cp != NULL && *(cp + 1) != '\0') {
cp = myname;
} else {
/*
* No domain on myname, so try looking it up.
*/
cp = NULL;
memset((void *)&hints, 0, sizeof (hints));
hints.ai_flags = AI_CANONNAME;
error = getaddrinfo(myname, NULL, &hints, &aip);
if (error == 0) {
if (aip->ai_canonname != NULL &&
(cp = strchr(aip->ai_canonname, '.')) != NULL
&& *(cp + 1) != '\0') {
cp = aip->ai_canonname;
mustfreeai = 1;
} else {
freeaddrinfo(aip);
}
}
}
if (cp == NULL)
warnx("Can't get fully qualified host name");
myfqdnname = cp;
}
princname[0] = '\0';
#define GETOPT "p:P:"
#define USAGE "[ -p port_num ] [ -P client_principal ]"
while ((ch = getopt(argc, argv, GETOPT)) != -1)
switch (ch) {
case 'p':
myport = atoi(optarg);
if (myport < 1) {
warnx("port# non-positive, reset to %d",
NFSV4_CBPORT);
myport = NFSV4_CBPORT;
}
break;
case 'P':
cp = optarg;
if (cp != NULL && strlen(cp) > 0 &&
strlen(cp) < sizeof (princname)) {
if (strchr(cp, '@') == NULL &&
myfqdnname != NULL)
snprintf(princname, sizeof (princname),
"%s@%s", cp, myfqdnname);
else
strlcpy(princname, cp,
sizeof (princname));
} else {
warnx("client princ invalid. ignored\n");
}
break;
default:
case '?':
usage();
};
argv += optind;
argc -= optind;
if (argc > 0)
usage();
if (mustfreeai)
freeaddrinfo(aip);
nfscbdargs2.principal = (const char *)princname;
if (debug == 0) {
daemon(0, 0);
(void)signal(SIGTERM, SIG_IGN);
(void)signal(SIGHUP, SIG_IGN);
(void)signal(SIGINT, SIG_IGN);
(void)signal(SIGQUIT, SIG_IGN);
}
(void)signal(SIGSYS, nonfs);
(void)signal(SIGCHLD, reapchild);
openlog("nfscbd:", LOG_PID, LOG_DAEMON);
pid = fork();
if (pid < 0) {
syslog(LOG_ERR, "fork: %m");
nfscbd_exit(1);
} else if (pid > 0) {
children = pid;
} else {
(void)signal(SIGUSR1, child_cleanup);
setproctitle("server");
nfssvc_flag = NFSSVC_NFSCBD;
if (nfssvc(nfssvc_flag, &nfscbdargs2) < 0) {
syslog(LOG_ERR, "nfssvc: %m");
nfscbd_exit(1);
}
exit(0);
}
(void)signal(SIGUSR1, cleanup);
if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
syslog(LOG_ERR, "can't create udp socket");
nfscbd_exit(1);
}
memset(&inetaddr, 0, sizeof inetaddr);
inetaddr.sin_family = AF_INET;
inetaddr.sin_addr.s_addr = INADDR_ANY;
inetaddr.sin_port = htons(myport);
inetaddr.sin_len = sizeof(inetaddr);
ret = bind(sock, (struct sockaddr *)&inetaddr, sizeof(inetaddr));
/* If bind() fails, this is a restart, so just skip UDP. */
if (ret == 0) {
len = sizeof(inetaddr);
if (getsockname(sock, (struct sockaddr *)&inetaddr, &len) < 0){
syslog(LOG_ERR, "can't get bound addr");
nfscbd_exit(1);
}
nfscbdargs.port = ntohs(inetaddr.sin_port);
if (nfscbdargs.port != myport) {
syslog(LOG_ERR, "BAD PORT#");
nfscbd_exit(1);
}
nfscbdargs.sock = sock;
nfscbdargs.name = NULL;
nfscbdargs.namelen = 0;
if (nfssvc(NFSSVC_CBADDSOCK, &nfscbdargs) < 0) {
syslog(LOG_ERR, "can't Add UDP socket");
nfscbd_exit(1);
}
}
(void)close(sock);
/* Now set up the master server socket waiting for tcp connections. */
on = 1;
FD_ZERO(&sockbits);
connect_type_cnt = 0;
if ((tcpsock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
syslog(LOG_ERR, "can't create tcp socket");
nfscbd_exit(1);
}
if (setsockopt(tcpsock,
SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)) < 0)
syslog(LOG_ERR, "setsockopt SO_REUSEADDR: %m");
/* sin_port is already set */
inetaddr.sin_family = AF_INET;
inetaddr.sin_addr.s_addr = INADDR_ANY;
inetaddr.sin_port = htons(myport);
inetaddr.sin_len = sizeof(inetaddr);
if (bind(tcpsock,
(struct sockaddr *)&inetaddr, sizeof (inetaddr)) < 0) {
syslog(LOG_ERR, "can't bind tcp addr");
nfscbd_exit(1);
}
if (listen(tcpsock, 5) < 0) {
syslog(LOG_ERR, "listen failed");
nfscbd_exit(1);
}
FD_SET(tcpsock, &sockbits);
maxsock = tcpsock;
connect_type_cnt++;
setproctitle("master");
/*
* Loop forever accepting connections and passing the sockets
* into the kernel for the mounts.
*/
for (;;) {
ready = sockbits;
if (connect_type_cnt > 1) {
if (select(maxsock + 1,
&ready, NULL, NULL, NULL) < 1) {
syslog(LOG_ERR, "select failed: %m");
nfscbd_exit(1);
}
}
if (FD_ISSET(tcpsock, &ready)) {
len = sizeof(inetpeer);
if ((msgsock = accept(tcpsock,
(struct sockaddr *)&inetpeer, &len)) < 0) {
syslog(LOG_ERR, "accept failed: %m");
nfscbd_exit(1);
}
memset(inetpeer.sin_zero, 0,
sizeof (inetpeer.sin_zero));
if (setsockopt(msgsock, SOL_SOCKET,
SO_KEEPALIVE, (char *)&on, sizeof(on)) < 0)
syslog(LOG_ERR,
"setsockopt SO_KEEPALIVE: %m");
nfscbdargs.sock = msgsock;
nfscbdargs.name = (caddr_t)&inetpeer;
nfscbdargs.namelen = sizeof(inetpeer);
nfssvc(NFSSVC_CBADDSOCK, &nfscbdargs);
(void)close(msgsock);
}
}
}
