int
main(int argc, char *argv[])
{
char *domainname;
char *hostname = NULL;
char *inmap, *master;
int order;
int c, r, tcp = 0;
(void)yp_get_default_domain(&domainname);
while ((c = getopt(argc, argv, "Th:d:")) != -1) {
switch (c) {
case 'T':
tcp = 1;
break;
case 'd':
domainname = optarg;
break;
case 'h':
hostname = optarg;
break;
default:
usage();
/*NOTREACHED*/
}
}
if (domainname == NULL)
errx(1, "YP domain name not set");
argc -= optind;
argv += optind;
if (argc != 1)
usage();
inmap = argv[0];
if (hostname != NULL)
r = get_remote_info(domainname, inmap, hostname,
&order, &master, tcp);
else {
r = yp_order(domainname, inmap, &order);
if (r == 0)
r = yp_master(domainname, inmap, &master);
}
if (r != 0)
errx(1, "no such map %s. Reason: %s",
inmap, yperr_string(r));
(void)printf("Map %s has order number %d. %s", inmap, order,
ctime((void *)&order));
(void)printf("The master server is %s.\n", master);
return 0;
}
/*! @decl int order(string map)
*!
*! Returns the 'order' number for the map @[map].
*!
*! This is usually the number of seconds since Jan 1 1970 (see @[time()]).
*! When the map is changed, this number will change as well.
*!
*! @[map] is the YP-map to search in. This must be the full map name.
*! eg @tt{passwd.byname@} instead of just @tt{passwd@}.
*/
static void f_order(INT32 args)
{
int err;
YP_ORDER_TYPE ret;
check_all_args(NULL, args, BIT_STRING, 0);
err = yp_order( this->domain, sp[-args].u.string->str, &ret);
YPERROR( err );
pop_n_elems( args );
push_int( (INT32) ret );
}
VALUE
rb_yp_order(VALUE self, VALUE domain, VALUE map)
{
int res, order;
if( domain == Qnil ) {
domain = rb_yp_get_default_domain(self);
};
res = yp_order(STR2CSTR(domain), STR2CSTR(map), &order);
rb_yp_check_yperr(res);
return INT2NUM(order);
};
int
nis_init(char *map, time_t *tp)
{
int order;
int yp_order_result;
char *master;
if (!domain) {
int error = determine_nis_domain();
if (error)
return error;
}
/*
* To see if the map exists, try to find
* a master for it.
*/
yp_order_result = yp_order(domain, map, &order);
switch (yp_order_result) {
case 0:
has_yp_order = TRUE;
*tp = (time_t)order;
#ifdef DEBUG
dlog("NIS master for %s@%s has order %d", map, domain, order);
#endif
break;
case YPERR_YPERR:
plog(XLOG_ERROR, "%s: %s", map, "NIS+ server");
/* NIS+ server found ! */
has_yp_order = FALSE;
/* try yp_master() instead */
if (yp_master(domain, map, &master))
return ENOENT;
else
*tp = time(NULL); /* Use fake timestamps */
break;
default:
return ENOENT;
}
return 0;
}
/*
* Try to locate a key using NIS.
*/
int
nis_search(mnt_map *m, char *map, char *key, char **val, time_t *tp)
{
int outlen;
int order;
int res;
/*
* Make sure domain initialised
*/
if (has_yp_order) {
/* check if map has changed */
if (yp_order(domain, map, &order))
return EIO;
if ((time_t) order > *tp) {
*tp = (time_t) order;
return -1;
}
} else {
/*
* NIS+ server without yp_order
* Check if timeout has expired to invalidate the cache
*/
order = time(NULL);
if ((time_t)order - *tp > am_timeo) {
*tp = (time_t)order;
return(-1);
}
}
if (has_yp_order) {
/*
* Check if map has changed
*/
if (yp_order(domain, map, &order))
return EIO;
if ((time_t) order > *tp) {
*tp = (time_t) order;
return -1;
}
} else {
/*
* NIS+ server without yp_order
* Check if timeout has expired to invalidate the cache
*/
order = time(NULL);
if ((time_t)order - *tp > am_timeo) {
*tp = (time_t)order;
return(-1);
}
}
/*
* Lookup key
*/
res = yp_match(domain, map, key, strlen(key), val, &outlen);
/*
* Do something interesting with the return code
*/
switch (res) {
case 0:
return 0;
case YPERR_KEY:
return ENOENT;
default:
plog(XLOG_ERROR, "%s: %s", map, yperr_string(res));
return EIO;
}
}
