diff options
Diffstat (limited to 'usr.sbin/amd/amd/info_nis.c')
| -rw-r--r-- | usr.sbin/amd/amd/info_nis.c | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/usr.sbin/amd/amd/info_nis.c b/usr.sbin/amd/amd/info_nis.c new file mode 100644 index 000000000000..ac80f5f975dd --- /dev/null +++ b/usr.sbin/amd/amd/info_nis.c @@ -0,0 +1,247 @@ +/* + * Copyright (c) 1989 Jan-Simon Pendry + * Copyright (c) 1989 Imperial College of Science, Technology & Medicine + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * 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, 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 8.1 (Berkeley) 6/6/93 + * + * $Id: info_nis.c,v 5.2.2.1 1992/02/09 15:08:32 jsp beta $ + * + */ + +/* + * Get info from NIS map + */ + +#include "am.h" + +#ifdef HAS_NIS_MAPS +#include <rpcsvc/yp_prot.h> +#include <rpcsvc/ypclnt.h> + +/* + * Figure out the nis domain name + */ +static int determine_nis_domain(P_void) +{ +static int nis_not_running = 0; + + char default_domain[YPMAXDOMAIN]; + + if (nis_not_running) + return ENOENT; + + if (getdomainname(default_domain, sizeof(default_domain)) < 0) { + nis_not_running = 1; + plog(XLOG_ERROR, "getdomainname: %m"); + return EIO; + } + + if (!*default_domain) { + nis_not_running = 1; + plog(XLOG_WARNING, "NIS domain name is not set. NIS ignored."); + 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. + */ +int nis_search P((mnt_map *m, char *map, char *key, char **val, time_t *tp)); +int nis_search(m, map, key, val, tp) +mnt_map *m; +char *map; +char *key; +char **val; +time_t *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); + + /* + * 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; + } +} + +int nis_init P((char *map, time_t *tp)); +int nis_init(map, tp) +char *map; +time_t *tp; +{ + int order; + + if (!domain) { + int error = determine_nis_domain(); + if (error) + return error; + } + + /* + * To see if the map exists, try to find + * a master for it. + */ + if (yp_order(domain, map, &order)) + return ENOENT; + *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 */ |