/*
- * $Id: info_nis.c,v 5.2 90/06/23 22:19:32 jsp Rel $
- *
* Copyright (c) 1989 Jan-Simon Pendry
* Copyright (c) 1989 Imperial College of Science, Technology & Medicine
* Copyright (c) 1989 The Regents of the University of California.
* This code is derived from software contributed to Berkeley by
* Jan-Simon Pendry at Imperial College, London.
*
- * Redistribution and use in source and binary forms are permitted provided
- * that: (1) source distributions retain this entire copyright notice and
- * comment, and (2) distributions including binaries display the following
- * acknowledgement: ``This product includes software developed by the
- * University of California, Berkeley and its contributors'' in the
- * documentation or other materials provided with the distribution and in
- * all advertising materials mentioning features or use of this software.
- * Neither the name of the University nor the names of its contributors may
- * be used to endorse or promote products derived from this software without
- * specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)info_nis.c 5.3 (Berkeley) 5/12/91
+ *
+ * $Id: info_nis.c,v 5.2.1.4 91/05/07 22:18:01 jsp Alpha $
*
- * @(#)info_nis.c 5.1 (Berkeley) 6/29/90
*/
/*
*/
static int determine_nis_domain(P_void)
{
-static char default_domain[YPMAXDOMAIN];
+ char default_domain[YPMAXDOMAIN];
if (getdomainname(default_domain, sizeof(default_domain)) < 0) {
plog(XLOG_ERROR, "getdomainname: %m");
return EIO;
}
- domain = default_domain;
- if (!*domain) {
- plog(XLOG_ERROR, "YP domain name is not set");
+ if (!*default_domain) {
+ plog(XLOG_ERROR, "NIS domain name is not set");
return ENOENT;
}
+ domain = strdup(default_domain);
return 0;
}
+
+#ifdef HAS_NIS_RELOAD
+struct nis_callback_data {
+ mnt_map *ncd_m;
+ char *ncd_map;
+ void (*ncd_fn)();
+};
+
+/*
+ * Callback from yp_all
+ */
+static int callback(status, key, kl, val, vl, data)
+int status;
+char *key;
+int kl;
+char *val;
+int vl;
+struct nis_callback_data *data;
+{
+ if (status == YP_TRUE) {
+ /*
+ * Add to list of maps
+ */
+ char *kp = strnsave(key, kl);
+ char *vp = strnsave(val, vl);
+ (*data->ncd_fn)(data->ncd_m, kp, vp);
+
+ /*
+ * We want more ...
+ */
+ return FALSE;
+ } else {
+ /*
+ * NOMORE means end of map - otherwise log error
+ */
+ if (status != YP_NOMORE) {
+ /*
+ * Check what went wrong
+ */
+ int e = ypprot_err(status);
+
+#ifdef DEBUG
+ plog(XLOG_ERROR, "yp enumeration of %s: %s, status=%d, e=%d",
+ data->ncd_map, yperr_string(e), status, e);
+#else
+ plog(XLOG_ERROR, "yp enumeration of %s: %s", data->ncd_map, yperr_string(e));
+#endif
+ }
+
+ return TRUE;
+ }
+}
+
+int nis_reload P((mnt_map *m, char *map, void (*fn)()));
+int nis_reload(m, map, fn)
+mnt_map *m;
+char *map;
+void (*fn)();
+{
+ struct ypall_callback cbinfo;
+ int error;
+ struct nis_callback_data data;
+
+ if (!domain) {
+ error = determine_nis_domain();
+ if (error)
+ return error;
+ }
+
+ data.ncd_m = m;
+ data.ncd_map = map;
+ data.ncd_fn = fn;
+ cbinfo.data = (voidp) &data;
+ cbinfo.foreach = callback;
+
+ error = yp_all(domain, map, &cbinfo);
+
+ if (error)
+ plog(XLOG_ERROR, "error grabbing nis map of %s: %s", map, yperr_string(ypprot_err(error)));
+
+ return error;
+}
+#endif /* HAS_NIS_RELOAD */
+
/*
* Try to locate a key using NIS.
- * Modify time is ignored in NIS - XXX
*/
int nis_search P((mnt_map *m, char *map, char *key, char **val, time_t *tp));
int nis_search(m, map, key, val, tp)
{
int outlen;
int res;
+ int order;
+ /*
+ * Make sure domain initialised
+ */
if (!domain) {
int error = determine_nis_domain();
if (error)
return error;
}
+ /*
+ * Check if map has changed
+ */
+ if (yp_order(domain, map, &order))
+ return EIO;
+ if ((time_t) order > *tp) {
+ *tp = (time_t) order;
+ return -1;
+ }
+
+ /*
+ * Lookup key
+ */
res = yp_match(domain, map, key, strlen(key), val, &outlen);
/*
}
}
-int nis_init P((char *map));
-int nis_init(map)
+int nis_init P((char *map, time_t *tp));
+int nis_init(map, tp)
char *map;
+time_t *tp;
{
- char *name = 0;
+ int order;
if (!domain) {
int error = determine_nis_domain();
* To see if the map exists, try to find
* a master for it.
*/
- if (yp_master(domain, map, &name))
+ if (yp_order(domain, map, &order))
return ENOENT;
- free(name);
+ *tp = (time_t) order;
+#ifdef DEBUG
+ dlog("NIS master for %s@%s has order %d", map, domain, order);
+#endif
return 0;
}
#endif /* HAS_NIS_MAPS */