bool_t
mount_exportall_1_svc(struct svc_req *rqstp, void *argp, exports *resp)
{
struct sockaddr_in *addr = nfs_getrpccaller_in(rqstp->rq_xprt);
xlog(D_CALL, "exportall request from %s.", inet_ntoa(addr->sin_addr));
*resp = get_exportlist();
return 1;
}
void
mountd_svc_run(void)
{
fd_set *fds = NULL;
int fds_size = 0;
extern fd_set *__svc_fdset;
extern int __svc_fdsetsize;
for (;;) {
if (gothup) {
get_exportlist();
gothup = 0;
}
if (gotterm) {
(void) clnt_broadcast(RPCPROG_MNT, RPCMNT_VER1,
RPCMNT_UMNTALL, xdr_void, (caddr_t)0, xdr_void,
(caddr_t)0, umntall_each);
exit(0);
}
if (__svc_fdset) {
int bytes = howmany(__svc_fdsetsize, NFDBITS) *
sizeof(fd_mask);
if (fds_size != __svc_fdsetsize) {
if (fds)
free(fds);
fds = (fd_set *)malloc(bytes); /* XXX */
fds_size = __svc_fdsetsize;
}
memcpy(fds, __svc_fdset, bytes);
} else {
if (fds)
free(fds);
fds = NULL;
}
switch (select(svc_maxfd+1, fds, 0, 0, (struct timeval *)0)) {
case -1:
if (errno == EINTR)
break;
perror("mountd_svc_run: - select failed");
if (fds)
free(fds);
return;
case 0:
break;
default:
svc_getreqset2(fds, svc_maxfd+1);
break;
}
}
}
/*
* Mountd server for NFS mount protocol as described in:
* NFS: Network File System Protocol Specification, RFC1094, Appendix A
* The optional arguments are the exports file name
* default: _PATH_EXPORTS
* "-d" to enable debugging
* and "-n" to allow nonroot mount.
*/
int
main(int argc, char *argv[])
{
SVCXPRT *udptransp, *tcptransp;
FILE *pidfile;
int c;
while ((c = getopt(argc, argv, "dnr")) != -1)
switch (c) {
case 'd':
debug = 1;
break;
case 'n':
resvport_only = 0;
break;
case 'r':
/* Compatibility */
break;
default:
fprintf(stderr, "usage: mountd [-dn] [exportsfile]\n");
exit(1);
}
argc -= optind;
argv += optind;
grphead = NULL;
exphead = NULL;
mlhead = NULL;
strlcpy(exname, argc == 1? *argv : _PATH_EXPORTS, sizeof(exname));
openlog("mountd", LOG_PID, LOG_DAEMON);
if (debug)
fprintf(stderr, "Getting export list.\n");
get_exportlist();
if (debug)
fprintf(stderr, "Getting mount list.\n");
get_mountlist();
if (debug)
fprintf(stderr, "Here we go.\n");
if (debug == 0) {
daemon(0, 0);
signal(SIGINT, SIG_IGN);
signal(SIGQUIT, SIG_IGN);
}
/* Store pid in file unless mountd is already running */
pidfile = fopen(_PATH_MOUNTDPID, "r");
if (pidfile != NULL) {
if (fscanf(pidfile, "%d\n", &c) > 0 && c > 0) {
if (kill(c, 0) == 0) {
syslog(LOG_ERR, "Already running (pid %d)", c);
exit(1);
}
}
pidfile = freopen(_PATH_MOUNTDPID, "w", pidfile);
} else {
pidfile = fopen(_PATH_MOUNTDPID, "w");
}
if (pidfile) {
fprintf(pidfile, "%ld\n", (long)getpid());
fclose(pidfile);
}
signal(SIGHUP, (void (*)(int)) new_exportlist);
signal(SIGTERM, (void (*)(int)) send_umntall);
signal(SIGSYS, SIG_IGN);
if ((udptransp = svcudp_create(RPC_ANYSOCK)) == NULL ||
(tcptransp = svctcp_create(RPC_ANYSOCK, 0, 0)) == NULL) {
syslog(LOG_ERR, "Can't create socket");
exit(1);
}
pmap_unset(RPCPROG_MNT, RPCMNT_VER1);
pmap_unset(RPCPROG_MNT, RPCMNT_VER3);
if (!svc_register(udptransp, RPCPROG_MNT, RPCMNT_VER1, mntsrv, IPPROTO_UDP) ||
!svc_register(udptransp, RPCPROG_MNT, RPCMNT_VER3, mntsrv, IPPROTO_UDP) ||
!svc_register(tcptransp, RPCPROG_MNT, RPCMNT_VER1, mntsrv, IPPROTO_TCP) ||
!svc_register(tcptransp, RPCPROG_MNT, RPCMNT_VER3, mntsrv, IPPROTO_TCP)) {
syslog(LOG_ERR, "Can't register mount");
exit(1);
}
mountd_svc_run();
syslog(LOG_ERR, "Mountd died");
exit(1);
}
