/*
* Adds a socket to the list for servicing by nfscbds.
*/
int
nfscbd_addsock(struct file *fp)
{
int siz;
struct socket *so;
int error;
SVCXPRT *xprt;
so = fp->f_data;
siz = sb_max_adj;
error = soreserve(so, siz, siz);
if (error)
return (error);
/*
* Steal the socket from userland so that it doesn't close
* unexpectedly.
*/
if (so->so_type == SOCK_DGRAM)
xprt = svc_dg_create(nfscbd_pool, so, 0, 0);
else
xprt = svc_vc_create(nfscbd_pool, so, 0, 0);
if (xprt) {
fp->f_ops = &badfileops;
fp->f_data = NULL;
svc_reg(xprt, NFS_CALLBCKPROG, NFSV4_CBVERS, nfscb_program,
NULL);
SVC_RELEASE(xprt);
}
return (0);
}
int main(int argn, char *argc[])
{
//Program parameters : argc[1] : HostName or Host IP
// argc[2] : Server Program Number
// other arguments depend on test case
//run_mode can switch into stand alone program or program launch by shell script
//1 : stand alone, debug mode, more screen information
//0 : launch by shell script as test case, only one printf -> result status
int run_mode = 0;
int test_status = 0; //Default test result set to PASS
int progNum = atoi(argc[2]);
int i;
params paramList[NBCASE];
SVCXPRT *transp = NULL;
//Test arguments initialization
paramList[0].bufsnd = 0;
paramList[0].bufrec = 0;
paramList[1].bufsnd = 0;
paramList[1].bufrec = 2147483647;
paramList[2].bufsnd = 2147483647;
paramList[2].bufrec = 0;
paramList[3].bufsnd = 2147483647;
paramList[3].bufrec = 2147483647;
//Call tested function using all tests cases
for (i = 0; i < NBCASE; i++)
{
//Debug mode prints
if (run_mode == 1)
{
printf("Test using values : %d ", paramList[i].bufsnd);
printf("%d", paramList[i].bufrec);
printf("\n");
}
//Call function
transp = svc_vc_create(RPC_ANYFD, paramList[i].bufsnd, paramList[i].bufrec);
//Check result
if (transp == (SVCXPRT *)NULL)
{
//test has failed
test_status = 1;
break;
}
}
//This last printf gives the result status to the tests suite
//normally should be 0: test has passed or 1: test has failed
printf("%d\n", test_status);
return test_status;
}
/*
* Adds a socket to the list for servicing by nfsds.
*/
int
nfsrvd_addsock(struct file *fp)
{
int siz;
struct socket *so;
int error = 0;
SVCXPRT *xprt;
static u_int64_t sockref = 0;
so = fp->f_data;
siz = sb_max_adj;
error = soreserve(so, siz, siz);
if (error)
goto out;
/*
* Steal the socket from userland so that it doesn't close
* unexpectedly.
*/
if (so->so_type == SOCK_DGRAM)
xprt = svc_dg_create(nfsrvd_pool, so, 0, 0);
else
xprt = svc_vc_create(nfsrvd_pool, so, 0, 0);
if (xprt) {
fp->f_ops = &badfileops;
fp->f_data = NULL;
xprt->xp_sockref = ++sockref;
if (nfs_minvers == NFS_VER2)
svc_reg(xprt, NFS_PROG, NFS_VER2, nfssvc_program,
NULL);
if (nfs_minvers <= NFS_VER3 && nfs_maxvers >= NFS_VER3)
svc_reg(xprt, NFS_PROG, NFS_VER3, nfssvc_program,
NULL);
if (nfs_maxvers >= NFS_VER4)
svc_reg(xprt, NFS_PROG, NFS_VER4, nfssvc_program,
NULL);
if (so->so_type == SOCK_STREAM)
svc_loss_reg(xprt, nfssvc_loss);
SVC_RELEASE(xprt);
}
out:
NFSEXITCODE(error);
return (error);
}
int
main(int argc, char **argv)
{
int ch, i, s;
void *nc_handle;
char *endptr, **hosts_bak;
struct sigaction sigalarm;
int grace_period = 30;
struct netconfig *nconf;
int have_v6 = 1;
int maxrec = RPC_MAXDATASIZE;
in_port_t svcport = 0;
int attempt_cnt, port_len, port_pos, ret;
char **port_list;
while ((ch = getopt(argc, argv, "d:g:h:p:")) != (-1)) {
switch (ch) {
case 'd':
debug_level = atoi(optarg);
if (!debug_level) {
usage();
/* NOTREACHED */
}
break;
case 'g':
grace_period = atoi(optarg);
if (!grace_period) {
usage();
/* NOTREACHED */
}
break;
case 'h':
++nhosts;
hosts_bak = hosts;
hosts_bak = realloc(hosts, nhosts * sizeof(char *));
if (hosts_bak == NULL) {
if (hosts != NULL) {
for (i = 0; i < nhosts; i++)
free(hosts[i]);
free(hosts);
out_of_mem();
}
}
hosts = hosts_bak;
hosts[nhosts - 1] = strdup(optarg);
if (hosts[nhosts - 1] == NULL) {
for (i = 0; i < (nhosts - 1); i++)
free(hosts[i]);
free(hosts);
out_of_mem();
}
break;
case 'p':
endptr = NULL;
svcport = (in_port_t)strtoul(optarg, &endptr, 10);
if (endptr == NULL || *endptr != '\0' ||
svcport == 0 || svcport >= IPPORT_MAX)
usage();
svcport_str = strdup(optarg);
break;
default:
case '?':
usage();
/* NOTREACHED */
}
}
if (geteuid()) { /* This command allowed only to root */
fprintf(stderr, "Sorry. You are not superuser\n");
exit(1);
}
kernel_lockd = FALSE;
kernel_lockd_client = FALSE;
if (modfind("nfslockd") < 0) {
if (kldload("nfslockd") < 0) {
fprintf(stderr, "Can't find or load kernel support for rpc.lockd - using non-kernel implementation\n");
} else {
kernel_lockd = TRUE;
}
} else {
kernel_lockd = TRUE;
}
if (kernel_lockd) {
if (getosreldate() >= 800040)
kernel_lockd_client = TRUE;
}
(void)rpcb_unset(NLM_PROG, NLM_SM, NULL);
(void)rpcb_unset(NLM_PROG, NLM_VERS, NULL);
(void)rpcb_unset(NLM_PROG, NLM_VERSX, NULL);
(void)rpcb_unset(NLM_PROG, NLM_VERS4, NULL);
/*
* Check if IPv6 support is present.
*/
s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
if (s < 0)
have_v6 = 0;
else
close(s);
rpc_control(RPC_SVC_CONNMAXREC_SET, &maxrec);
/*
* If no hosts were specified, add a wildcard entry to bind to
* INADDR_ANY. Otherwise make sure 127.0.0.1 and ::1 are added to the
* list.
*/
if (nhosts == 0) {
hosts = malloc(sizeof(char**));
if (hosts == NULL)
out_of_mem();
hosts[0] = "*";
nhosts = 1;
} else {
hosts_bak = hosts;
if (have_v6) {
hosts_bak = realloc(hosts, (nhosts + 2) *
sizeof(char *));
if (hosts_bak == NULL) {
for (i = 0; i < nhosts; i++)
free(hosts[i]);
free(hosts);
out_of_mem();
} else
hosts = hosts_bak;
nhosts += 2;
hosts[nhosts - 2] = "::1";
} else {
hosts_bak = realloc(hosts, (nhosts + 1) * sizeof(char *));
if (hosts_bak == NULL) {
for (i = 0; i < nhosts; i++)
free(hosts[i]);
free(hosts);
out_of_mem();
} else {
nhosts += 1;
hosts = hosts_bak;
}
}
hosts[nhosts - 1] = "127.0.0.1";
}
if (kernel_lockd) {
if (!kernel_lockd_client) {
/*
* For the case where we have a kernel lockd but it
* doesn't provide client locking, we run a cut-down
* RPC service on a local-domain socket. The kernel's
* RPC server will pass what it can't handle (mainly
* client replies) down to us.
*/
struct sockaddr_un sun;
int fd, oldmask;
SVCXPRT *xprt;
memset(&sun, 0, sizeof sun);
sun.sun_family = AF_LOCAL;
unlink(_PATH_RPCLOCKDSOCK);
strcpy(sun.sun_path, _PATH_RPCLOCKDSOCK);
sun.sun_len = SUN_LEN(&sun);
fd = socket(AF_LOCAL, SOCK_STREAM, 0);
if (!fd) {
err(1, "Can't create local lockd socket");
}
oldmask = umask(S_IXUSR|S_IRWXG|S_IRWXO);
if (bind(fd, (struct sockaddr *) &sun, sun.sun_len) < 0) {
err(1, "Can't bind local lockd socket");
}
umask(oldmask);
if (listen(fd, SOMAXCONN) < 0) {
err(1, "Can't listen on local lockd socket");
}
xprt = svc_vc_create(fd, RPC_MAXDATASIZE, RPC_MAXDATASIZE);
if (!xprt) {
err(1, "Can't create transport for local lockd socket");
}
if (!svc_reg(xprt, NLM_PROG, NLM_VERS4, nlm_prog_4, NULL)) {
err(1, "Can't register service for local lockd socket");
}
}
/*
* We need to look up the addresses so that we can
* hand uaddrs (ascii encoded address+port strings) to
* the kernel.
*/
nc_handle = setnetconfig();
while ((nconf = getnetconfig(nc_handle))) {
/* We want to listen only on udp6, tcp6, udp, tcp transports */
if (nconf->nc_flag & NC_VISIBLE) {
/* Skip if there's no IPv6 support */
if (have_v6 == 0 && strcmp(nconf->nc_protofmly, "inet6") == 0) {
/* DO NOTHING */
} else {
lookup_addresses(nconf);
}
}
}
endnetconfig(nc_handle);
} else {
attempt_cnt = 1;
sock_fdcnt = 0;
sock_fd = NULL;
port_list = NULL;
port_len = 0;
nc_handle = setnetconfig();
while ((nconf = getnetconfig(nc_handle))) {
/* We want to listen only on udp6, tcp6, udp, tcp transports */
if (nconf->nc_flag & NC_VISIBLE) {
/* Skip if there's no IPv6 support */
if (have_v6 == 0 && strcmp(nconf->nc_protofmly, "inet6") == 0) {
/* DO NOTHING */
} else {
ret = create_service(nconf);
if (ret == 1)
/* Ignore this call */
continue;
if (ret < 0) {
/*
* Failed to bind port, so close
* off all sockets created and
* try again if the port# was
* dynamically assigned via
* bind(2).
*/
clearout_service();
if (mallocd_svcport != 0 &&
attempt_cnt <
GETPORT_MAXTRY) {
free(svcport_str);
svcport_str = NULL;
mallocd_svcport = 0;
} else {
errno = EADDRINUSE;
syslog(LOG_ERR,
"bindresvport_sa: %m");
exit(1);
}
/*
* Start over at the first
* service.
*/
free(sock_fd);
sock_fdcnt = 0;
sock_fd = NULL;
nc_handle = setnetconfig();
attempt_cnt++;
} else if (mallocd_svcport != 0 &&
attempt_cnt == GETPORT_MAXTRY) {
/*
* For the last attempt, allow
* different port #s for each
* nconf by saving the
* svcport_str and setting it
* back to NULL.
*/
port_list = realloc(port_list,
(port_len + 1) *
sizeof(char *));
if (port_list == NULL)
out_of_mem();
port_list[port_len++] =
svcport_str;
svcport_str = NULL;
mallocd_svcport = 0;
}
}
}
}
/*
* Successfully bound the ports, so call complete_service() to
* do the rest of the setup on the service(s).
*/
sock_fdpos = 0;
port_pos = 0;
nc_handle = setnetconfig();
while ((nconf = getnetconfig(nc_handle))) {
/* We want to listen only on udp6, tcp6, udp, tcp transports */
if (nconf->nc_flag & NC_VISIBLE) {
/* Skip if there's no IPv6 support */
if (have_v6 == 0 && strcmp(nconf->nc_protofmly, "inet6") == 0) {
/* DO NOTHING */
} else if (port_list != NULL) {
if (port_pos >= port_len) {
syslog(LOG_ERR,
"too many port#s");
exit(1);
}
complete_service(nconf,
port_list[port_pos++]);
} else
complete_service(nconf, svcport_str);
}
}
endnetconfig(nc_handle);
free(sock_fd);
if (port_list != NULL) {
for (port_pos = 0; port_pos < port_len; port_pos++)
free(port_list[port_pos]);
free(port_list);
}
}
/*
* Note that it is NOT sensible to run this program from inetd - the
* protocol assumes that it will run immediately at boot time.
*/
if (daemon(0, debug_level > 0)) {
err(1, "cannot fork");
/* NOTREACHED */
}
openlog("rpc.lockd", 0, LOG_DAEMON);
if (debug_level)
syslog(LOG_INFO, "Starting, debug level %d", debug_level);
else
syslog(LOG_INFO, "Starting");
sigalarm.sa_handler = (sig_t) sigalarm_handler;
sigemptyset(&sigalarm.sa_mask);
sigalarm.sa_flags = SA_RESETHAND; /* should only happen once */
sigalarm.sa_flags |= SA_RESTART;
if (sigaction(SIGALRM, &sigalarm, NULL) != 0) {
syslog(LOG_WARNING, "sigaction(SIGALRM) failed: %s",
strerror(errno));
exit(1);
}
if (kernel_lockd) {
if (!kernel_lockd_client) {
init_nsm();
client_pid = client_request();
/*
* Create a child process to enter the kernel and then
* wait for RPCs on our local domain socket.
*/
if (!fork())
nlm_syscall(debug_level, grace_period,
naddrs, addrs);
else
svc_run();
} else {
/*
* The kernel lockd implementation provides
* both client and server so we don't need to
* do anything else.
*/
nlm_syscall(debug_level, grace_period, naddrs, addrs);
}
} else {
grace_expired = 0;
alarm(grace_period);
init_nsm();
client_pid = client_request();
svc_run(); /* Should never return */
}
exit(1);
}
