/* $NetBSD: info_nisplus.c,v 1.1.1.3 2015/01/17 16:34:15 christos Exp $ */ /* * Copyright (c) 1997-2014 Erez Zadok * 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. * 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. 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. * * * File: am-utils/amd/info_nisplus.c * */ /* * Get info from NIS+ (version 3) map */ #ifdef HAVE_CONFIG_H # include #endif /* HAVE_CONFIG_H */ #include #include #include #define NISPLUS_KEY "key=" #define NISPLUS_ORGDIR ".org_dir" struct nis_callback_data { mnt_map *ncd_m; char *ncd_map; void (*ncd_fn)(); }; struct nisplus_search_callback_data { nis_name key; char *value; }; static int nisplus_callback(const nis_name key, const nis_object *value, voidp opaquedata) { char *kp = strnsave(ENTRY_VAL(value, 0), ENTRY_LEN(value, 0)); char *vp = strnsave(ENTRY_VAL(value, 1), ENTRY_LEN(value, 1)); struct nis_callback_data *data = (struct nis_callback_data *) opaquedata; dlog("NISplus callback for <%s,%s>", kp, vp); (*data->ncd_fn) (data->ncd_m, kp, vp); /* * We want more ... */ return FALSE; } int nisplus_reload(mnt_map *m, char *map, void (*fn) ()) { int error = 0; struct nis_callback_data data; nis_result *result; char *org; /* if map does not have ".org_dir" then append it */ nis_name map_name; size_t l; org = strstr(map, NISPLUS_ORGDIR); if (org == NULL) org = NISPLUS_ORGDIR; else org = ""; /* make some room for the NIS map_name */ l = strlen(map) + sizeof(NISPLUS_ORGDIR); map_name = xmalloc(l); if (map_name == NULL) { plog(XLOG_ERROR, "Unable to create map_name %s: %s", map, strerror(ENOMEM)); return ENOMEM; } xsnprintf(map_name, l, "%s%s", map, org); data.ncd_m = m; data.ncd_map = map_name; data.ncd_fn = fn; dlog("NISplus reload for %s", map); result = nis_list(map_name, EXPAND_NAME | FOLLOW_LINKS | FOLLOW_PATH, (int (*)()) nisplus_callback, &data); /* free off the NIS map_name */ XFREE(map_name); if (result->status != NIS_SUCCESS && result->status != NIS_CBRESULTS) error = 1; if (error) plog(XLOG_ERROR, "error grabbing nisplus map of %s: %s", map, nis_sperrno(result->status)); nis_freeresult(result); return error; } static int nisplus_search_callback(const nis_name key, const nis_object *value, voidp opaquedata) { struct nisplus_search_callback_data *data = (struct nisplus_search_callback_data *) opaquedata; dlog("NISplus search callback for <%s>", ENTRY_VAL(value, 0)); dlog("NISplus search callback value <%s>", ENTRY_VAL(value, 1)); data->value = strnsave(ENTRY_VAL(value, 1), ENTRY_LEN(value, 1)); return TRUE; } /* * Try to locate a key using NIS+. */ int nisplus_search(mnt_map *m, char *map, char *key, char **val, time_t *tp) { nis_result *result; int error = 0; struct nisplus_search_callback_data data; nis_name index; char *org; /* if map does not have ".org_dir" then append it */ size_t l; org = strstr(map, NISPLUS_ORGDIR); if (org == NULL) org = NISPLUS_ORGDIR; else org = ""; /* make some room for the NIS index */ l = sizeof('[') /* for opening selection criteria */ + sizeof(NISPLUS_KEY) + strlen(key) + sizeof(']') /* for closing selection criteria */ + sizeof(',') /* + 1 for , separator */ + strlen(map) + sizeof(NISPLUS_ORGDIR); index = xmalloc(l); if (index == NULL) { plog(XLOG_ERROR, "Unable to create index %s: %s", map, strerror(ENOMEM)); return ENOMEM; } xsnprintf(index, l, "[%s%s],%s%s", NISPLUS_KEY, key, map, org); data.key = key; data.value = NULL; dlog("NISplus search for %s", index); result = nis_list(index, EXPAND_NAME | FOLLOW_LINKS | FOLLOW_PATH, (int (*)()) nisplus_search_callback, &data); /* free off the NIS index */ XFREE(index); if (result == NULL) { plog(XLOG_ERROR, "nisplus_search: %s: %s", map, strerror(ENOMEM)); return ENOMEM; } /* * Do something interesting with the return code */ switch (result->status) { case NIS_SUCCESS: case NIS_CBRESULTS: if (data.value == NULL) { nis_object *value = result->objects.objects_val; dlog("NISplus search found "); dlog("NISplus search for %s: %s(%d)", map, nis_sperrno(result->status), result->status); if (value != NULL) data.value = strnsave(ENTRY_VAL(value, 1), ENTRY_LEN(value, 1)); } if (m->cfm && (m->cfm->cfm_flags & CFM_SUN_MAP_SYNTAX)) { *val = sun_entry2amd(key, data.value); XFREE(data.value); /* strnsave malloc'ed it above */ } else *val = data.value; if (*val) { error = 0; dlog("NISplus search found %s", *val); } else { error = ENOENT; dlog("NISplus search found nothing"); } *tp = 0; break; case NIS_NOSUCHNAME: dlog("NISplus search returned %d", result->status); error = ENOENT; break; default: plog(XLOG_ERROR, "nisplus_search: %s: %s", map, nis_sperrno(result->status)); error = EIO; break; } nis_freeresult(result); return error; } int nisplus_init(mnt_map *m, char *map, time_t *tp) { nis_result *result; char *org; /* if map does not have ".org_dir" then append it */ nis_name map_name; int error = 0; size_t l; org = strstr(map, NISPLUS_ORGDIR); if (org == NULL) org = NISPLUS_ORGDIR; else org = ""; /* make some room for the NIS map_name */ l = strlen(map) + sizeof(NISPLUS_ORGDIR); map_name = xmalloc(l); if (map_name == NULL) { plog(XLOG_ERROR, "Unable to create map_name %s: %s", map, strerror(ENOMEM)); return ENOMEM; } xsnprintf(map_name, l, "%s%s", map, org); result = nis_lookup(map_name, (EXPAND_NAME | FOLLOW_LINKS | FOLLOW_PATH)); /* free off the NIS map_name */ XFREE(map_name); if (result == NULL) { plog(XLOG_ERROR, "NISplus init <%s>: %s", map, strerror(ENOMEM)); return ENOMEM; } if (result->status != NIS_SUCCESS) { dlog("NISplus init <%s>: %s (%d)", map, nis_sperrno(result->status), result->status); error = ENOENT; } *tp = 0; /* no time */ nis_freeresult(result); return error; } int nisplus_mtime(mnt_map *m, char *map, time_t *tp) { return nisplus_init(m,map, tp); }