int
main(int argc, char *argv[])
{
struct netconfig *nconf;
void *nc_handle; /* Net config handle */
struct rlimit rl;
int maxrec = RPC_MAXDATASIZE;
parseargs(argc, argv);
/* Check that another rpcbind isn't already running. */
if ((rpcbindlockfd = (open(RPCBINDDLOCK,
O_RDONLY|O_CREAT, 0444))) == -1)
err(1, "%s", RPCBINDDLOCK);
if(flock(rpcbindlockfd, LOCK_EX|LOCK_NB) == -1 && errno == EWOULDBLOCK)
errx(1, "another rpcbind is already running. Aborting");
getrlimit(RLIMIT_NOFILE, &rl);
if (rl.rlim_cur < 128) {
if (rl.rlim_max <= 128)
rl.rlim_cur = rl.rlim_max;
else
rl.rlim_cur = 128;
setrlimit(RLIMIT_NOFILE, &rl);
}
openlog("rpcbind", LOG_CONS, LOG_DAEMON);
if (geteuid()) { /* This command allowed only to root */
fprintf(stderr, "Sorry. You are not superuser\n");
exit(1);
}
/*
* Make sure we use the local service file
* for service lookkups
*/
__nss_configure_lookup("services", "files");
nc_handle = setnetconfig(); /* open netconfig file */
if (nc_handle == NULL) {
syslog(LOG_ERR, "could not read /etc/netconfig");
exit(1);
}
nconf = getnetconfigent("local");
if (nconf == NULL)
nconf = getnetconfigent("unix");
if (nconf == NULL) {
syslog(LOG_ERR, "%s: can't find local transport\n", argv[0]);
exit(1);
}
rpc_control(RPC_SVC_CONNMAXREC_SET, &maxrec);
init_transport(nconf);
while ((nconf = getnetconfig(nc_handle))) {
if (nconf->nc_flag & NC_VISIBLE)
init_transport(nconf);
}
endnetconfig(nc_handle);
#ifdef PORTMAP
if (!udptrans)
udptrans = "";
if (!tcptrans)
tcptrans = "";
#endif
/* catch the usual termination signals for graceful exit */
(void) signal(SIGCHLD, reap);
(void) signal(SIGINT, terminate);
(void) signal(SIGTERM, terminate);
(void) signal(SIGQUIT, terminate);
/* ignore others that could get sent */
(void) signal(SIGPIPE, SIG_IGN);
(void) signal(SIGHUP, SIG_IGN);
(void) signal(SIGUSR1, SIG_IGN);
(void) signal(SIGUSR2, SIG_IGN);
if (debugging) {
#ifdef RPCBIND_DEBUG
printf("rpcbind debugging enabled.");
if (doabort) {
printf(" Will abort on errors!\n");
} else {
printf("\n");
}
#endif
} else {
if (daemon(0, 0))
err(1, "fork failed");
}
if (runasdaemon || rpcbinduser) {
struct passwd *p;
char *id = runasdaemon ? RUN_AS : rpcbinduser;
/*
* Make sure we use the local password file
* for these lookups.
*/
__nss_configure_lookup("passwd", "files");
if((p = getpwnam(id)) == NULL) {
syslog(LOG_ERR, "cannot get uid of '%s': %m", id);
exit(1);
}
if (setgid(p->pw_gid) == -1) {
syslog(LOG_ERR, "setgid to '%s' (%d) failed: %m", id, p->pw_gid);
exit(1);
}
if (setuid(p->pw_uid) == -1) {
syslog(LOG_ERR, "setuid to '%s' (%d) failed: %m", id, p->pw_uid);
exit(1);
}
}
#ifdef WARMSTART
if (warmstart) {
read_warmstart();
}
#endif
network_init();
my_svc_run();
syslog(LOG_ERR, "svc_run returned unexpectedly");
rpcbind_abort();
/* NOTREACHED */
return 0;
}
int
rpcbind_main(void *arg)
#endif
{
struct netconfig *nconf;
void *nc_handle; /* Net config handle */
struct rlimit rl;
int maxrec = RPC_MAXDATASIZE;
#ifdef RPCBIND_RUMP
svc_fdset_init(SVC_FDSET_MT);
#else
parseargs(argc, argv);
#endif
if (getrlimit(RLIMIT_NOFILE, &rl) == -1)
err(EXIT_FAILURE, "getrlimit(RLIMIT_NOFILE)");
if (rl.rlim_cur < 128) {
if (rl.rlim_max <= 128)
rl.rlim_cur = rl.rlim_max;
else
rl.rlim_cur = 128;
if (setrlimit(RLIMIT_NOFILE, &rl) < 0)
err(EXIT_FAILURE, "setrlimit(RLIMIT_NOFILE)");
}
nc_handle = setnetconfig(); /* open netconfig file */
if (nc_handle == NULL)
errx(EXIT_FAILURE, "could not read /etc/netconfig");
#ifdef PORTMAP
udptrans = "";
tcptrans = "";
#endif
nconf = getnetconfigent("local");
if (nconf == NULL)
errx(EXIT_FAILURE, "can't find local transport");
rpc_control(RPC_SVC_CONNMAXREC_SET, &maxrec);
init_transport(nconf);
while ((nconf = getnetconfig(nc_handle))) {
if (nconf->nc_flag & NC_VISIBLE)
init_transport(nconf);
}
endnetconfig(nc_handle);
/* catch the usual termination signals for graceful exit */
(void) signal(SIGCHLD, reap);
(void) signal(SIGINT, terminate);
(void) signal(SIGTERM, terminate);
(void) signal(SIGQUIT, terminate);
/* ignore others that could get sent */
(void) signal(SIGPIPE, SIG_IGN);
#ifndef RPCBIND_RUMP
(void) signal(SIGHUP, SIG_IGN);
#endif
(void) signal(SIGUSR1, SIG_IGN);
(void) signal(SIGUSR2, SIG_IGN);
#ifdef WARMSTART
if (warmstart) {
read_warmstart();
}
#endif
if (debugging) {
printf("rpcbind debugging enabled.");
if (doabort) {
printf(" Will abort on errors!\n");
} else {
printf("\n");
}
} else {
if (daemon(0, 0))
err(EXIT_FAILURE, "fork failed");
}
openlog("rpcbind", 0, LOG_DAEMON);
pidfile(NULL);
if (runasdaemon) {
struct passwd *p;
if((p = getpwnam(RUN_AS)) == NULL) {
syslog(LOG_ERR, "cannot get uid of daemon: %m");
exit(EXIT_FAILURE);
}
if (setuid(p->pw_uid) == -1) {
syslog(LOG_ERR, "setuid to daemon failed: %m");
exit(EXIT_FAILURE);
}
}
network_init();
#ifdef RPCBIND_RUMP
sem_post(&gensem);
#endif
my_svc_run();
syslog(LOG_ERR, "svc_run returned unexpectedly");
rpcbind_abort();
/* NOTREACHED */
return EXIT_SUCCESS;
}
