int new_cache = 0;
+/* PRC: a high-availability callout program can be specified with -H
+ * When this is done, the program will receive callouts whenever clients
+ * send mount or unmount requests -- the callout is not needed for 2.6 kernel */
+char *ha_callout_prog = NULL;
+
static struct option longopts[] =
{
{ "foreground", 0, 0, 'F' },
{ "version", 0, 0, 'v' },
{ "port", 1, 0, 'p' },
{ "no-tcp", 0, 0, 'n' },
+ { "ha-callout", 1, 0, 'H' },
{ NULL, 0, 0, 0 }
};
xlog (L_FATAL, "Caught signal %d, un-registering and exiting.", sig);
}
+static void
+sig_hup (int sig)
+{
+ /* don't exit on SIGHUP */
+ xlog (L_NOTICE, "Received SIGHUP... Ignoring.\n", sig);
+ return;
+}
+
bool_t
mount_null_1_svc(struct svc_req *rqstp, void *argp, void *resp)
{
{
struct sockaddr_in *addr =
(struct sockaddr_in *) svc_getcaller(rqstp->rq_xprt);
- xlog(L_NOTICE, "dump request from %s",
- inet_ntoa(addr->sin_addr));
- *res = mountlist_list();
+ if ((*res = mountlist_list()) == NULL)
+ xlog(L_WARNING, "dump request from %s failed.",
+ inet_ntoa(addr->sin_addr));
+
return 1;
}
{
struct sockaddr_in *addr =
(struct sockaddr_in *) svc_getcaller(rqstp->rq_xprt);
- xlog(L_NOTICE, "export request from %s",
- inet_ntoa(addr->sin_addr));
- *resp = get_exportlist();
+
+ if ((*resp = get_exportlist()) == NULL)
+ xlog(L_WARNING, "export request from %s failed.",
+ inet_ntoa(addr->sin_addr));
+
return 1;
}
{
struct sockaddr_in *addr =
(struct sockaddr_in *) svc_getcaller(rqstp->rq_xprt);
- xlog(L_NOTICE, "exportall request from %s",
- inet_ntoa(addr->sin_addr));
- *resp = get_exportlist();
+
+ if ((*resp = get_exportlist()) == NULL)
+ xlog(L_WARNING, "exportall request from %s failed.",
+ inet_ntoa(addr->sin_addr));
return 1;
}
bool_t
mount_mnt_3_svc(struct svc_req *rqstp, dirpath *path, mountres3 *res)
{
- static int flavors[] = { AUTH_NULL, AUTH_UNIX };
+#define AUTH_GSS_KRB5 390003
+#define AUTH_GSS_KRB5I 390004
+#define AUTH_GSS_KRB5P 390005
+ static int flavors[] = { AUTH_NULL, AUTH_UNIX, AUTH_GSS_KRB5, AUTH_GSS_KRB5I, AUTH_GSS_KRB5P};
struct nfs_fh_len *fh;
xlog(D_CALL, "MNT3(%s) called", *path);
ok->fhandle.fhandle3_len = fh->fh_size;
ok->fhandle.fhandle3_val = fh->fh_handle;
- ok->auth_flavors.auth_flavors_len = 2;
+ ok->auth_flavors.auth_flavors_len
+ = sizeof(flavors)/sizeof(flavors[0]);
ok->auth_flavors.auth_flavors_val = flavors;
}
return 1;
/* Parse the command line options and arguments. */
opterr = 0;
- while ((c = getopt_long(argc, argv, "o:n:Fd:f:p:P:hN:V:v", longopts, NULL)) != EOF)
+ while ((c = getopt_long(argc, argv, "o:n:Fd:f:p:P:hH:N:V:v", longopts, NULL)) != EOF)
switch (c) {
case 'o':
descriptors = atoi(optarg);
case 'f':
export_file = optarg;
break;
+ case 'H': /* PRC: specify a high-availability callout program */
+ ha_callout_prog = optarg;
+ break;
case 'h':
usage(argv [0], 0);
break;
exit(1);
}
- if (descriptors) {
- if (getrlimit (RLIMIT_NOFILE, &rlim) != 0) {
- fprintf(stderr, "%s: getrlimit (RLIMIT_NOFILE) failed: %s\n",
+ if (getrlimit (RLIMIT_NOFILE, &rlim) != 0)
+ fprintf(stderr, "%s: getrlimit (RLIMIT_NOFILE) failed: %s\n",
argv [0], strerror(errno));
- exit(1);
- }
-
- rlim.rlim_cur = descriptors;
- if (setrlimit (RLIMIT_NOFILE, &rlim) != 0) {
- fprintf(stderr, "%s: setrlimit (RLIMIT_NOFILE) failed: %s\n",
- argv [0], strerror(errno));
- exit(1);
+ else {
+ /* glibc sunrpc code dies if getdtablesize > FD_SETSIZE */
+ if ((descriptors == 0 && rlim.rlim_cur > FD_SETSIZE) ||
+ descriptors > FD_SETSIZE)
+ descriptors = FD_SETSIZE;
+ if (descriptors) {
+ rlim.rlim_cur = descriptors;
+ if (setrlimit (RLIMIT_NOFILE, &rlim) != 0) {
+ fprintf(stderr, "%s: setrlimit (RLIMIT_NOFILE) failed: %s\n",
+ argv [0], strerror(errno));
+ exit(1);
+ }
}
}
/* Initialize logging. */
-/* xlog_open("mountd"); */
+ if (!foreground) xlog_stderr(0);
+ xlog_open("mountd");
sa.sa_handler = SIG_IGN;
sa.sa_flags = 0;
sigaction(SIGCHLD, &sa, NULL);
/* Daemons should close all extra filehandles ... *before* RPC init. */
- if (!foreground) {
- int fd = sysconf (_SC_OPEN_MAX);
- while (--fd > 2)
- (void) close(fd);
- }
+ if (!foreground)
+ closeall(3);
new_cache = check_new_cache();
if (new_cache)
mount_dispatch, port);
sa.sa_handler = killer;
- sigaction(SIGHUP, &sa, NULL);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
+ sa.sa_handler = sig_hup;
+ sigaction(SIGHUP, &sa, NULL);
auth_init(export_file);
if (fd > 2) (void) close(fd);
}
setsid();
- xlog_background();
}
my_svc_run();
"Usage: %s [-F|--foreground] [-h|--help] [-v|--version] [-d kind|--debug kind]\n"
" [-o num|--descriptors num] [-f exports-file|--exports-file=file]\n"
" [-p|--port port] [-V version|--nfs-version version]\n"
-" [-N version|--no-nfs-version version] [-n|--no-tcp]\n", prog);
+" [-N version|--no-nfs-version version] [-n|--no-tcp]\n"
+" [-H ha-callout-prog]\n", prog);
exit(n);
}