138494Sobrien/* 2174294Sobrien * Copyright (c) 1997-2006 Erez Zadok 338494Sobrien * Copyright (c) 1989 Jan-Simon Pendry 438494Sobrien * Copyright (c) 1989 Imperial College of Science, Technology & Medicine 538494Sobrien * Copyright (c) 1989 The Regents of the University of California. 638494Sobrien * All rights reserved. 738494Sobrien * 838494Sobrien * This code is derived from software contributed to Berkeley by 938494Sobrien * Jan-Simon Pendry at Imperial College, London. 1038494Sobrien * 1138494Sobrien * Redistribution and use in source and binary forms, with or without 1238494Sobrien * modification, are permitted provided that the following conditions 1338494Sobrien * are met: 1438494Sobrien * 1. Redistributions of source code must retain the above copyright 1538494Sobrien * notice, this list of conditions and the following disclaimer. 1638494Sobrien * 2. Redistributions in binary form must reproduce the above copyright 1738494Sobrien * notice, this list of conditions and the following disclaimer in the 1838494Sobrien * documentation and/or other materials provided with the distribution. 1938494Sobrien * 3. All advertising materials mentioning features or use of this software 2042629Sobrien * must display the following acknowledgment: 2138494Sobrien * This product includes software developed by the University of 2238494Sobrien * California, Berkeley and its contributors. 2338494Sobrien * 4. Neither the name of the University nor the names of its contributors 2438494Sobrien * may be used to endorse or promote products derived from this software 2538494Sobrien * without specific prior written permission. 2638494Sobrien * 2738494Sobrien * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2838494Sobrien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2938494Sobrien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 3038494Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 3138494Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 3238494Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 3338494Sobrien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3438494Sobrien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3538494Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3638494Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3738494Sobrien * SUCH DAMAGE. 3838494Sobrien * 3938494Sobrien * 40174294Sobrien * File: am-utils/amd/info_nisplus.c 4138494Sobrien * 4238494Sobrien */ 4338494Sobrien 4438494Sobrien/* 4538494Sobrien * Get info from NIS+ (version 3) map 4638494Sobrien */ 4738494Sobrien 4838494Sobrien#ifdef HAVE_CONFIG_H 4938494Sobrien# include <config.h> 5038494Sobrien#endif /* HAVE_CONFIG_H */ 5138494Sobrien#include <am_defs.h> 5238494Sobrien#include <amd.h> 5338494Sobrien 5438494Sobrien#define NISPLUS_KEY "key=" 5538494Sobrien#define NISPLUS_ORGDIR ".org_dir" 5638494Sobrien 5738494Sobrienstruct nis_callback_data { 5838494Sobrien mnt_map *ncd_m; 5938494Sobrien char *ncd_map; 6038494Sobrien void (*ncd_fn)(); 6138494Sobrien}; 6238494Sobrien 6338494Sobrienstruct nisplus_search_callback_data { 6438494Sobrien nis_name key; 6538494Sobrien char *value; 6638494Sobrien}; 6738494Sobrien 6838494Sobrien 6938494Sobrienstatic int 7038494Sobriennisplus_callback(const nis_name key, const nis_object *value, voidp opaquedata) 7138494Sobrien{ 7238494Sobrien char *kp = strnsave(ENTRY_VAL(value, 0), ENTRY_LEN(value, 0)); 7338494Sobrien char *vp = strnsave(ENTRY_VAL(value, 1), ENTRY_LEN(value, 1)); 7438494Sobrien struct nis_callback_data *data = (struct nis_callback_data *) opaquedata; 7538494Sobrien 7638494Sobrien dlog("NISplus callback for <%s,%s>", kp, vp); 7738494Sobrien 7838494Sobrien (*data->ncd_fn) (data->ncd_m, kp, vp); 7938494Sobrien 8038494Sobrien /* 8138494Sobrien * We want more ... 8238494Sobrien */ 8338494Sobrien return FALSE; 8438494Sobrien} 8538494Sobrien 8638494Sobrien 8738494Sobrienint 8838494Sobriennisplus_reload(mnt_map *m, char *map, void (*fn) ()) 8938494Sobrien{ 9038494Sobrien int error = 0; 9138494Sobrien struct nis_callback_data data; 9238494Sobrien nis_result *result; 9338494Sobrien char *org; /* if map does not have ".org_dir" then append it */ 9438494Sobrien nis_name map_name; 95174294Sobrien size_t l; 9638494Sobrien 9738494Sobrien org = strstr(map, NISPLUS_ORGDIR); 9838494Sobrien if (org == NULL) 9938494Sobrien org = NISPLUS_ORGDIR; 10038494Sobrien else 10138494Sobrien org = ""; 10238494Sobrien 10338494Sobrien /* make some room for the NIS map_name */ 104174294Sobrien l = strlen(map) + sizeof(NISPLUS_ORGDIR); 105174294Sobrien map_name = xmalloc(l); 10638494Sobrien if (map_name == NULL) { 10738494Sobrien plog(XLOG_ERROR, "Unable to create map_name %s: %s", 10838494Sobrien map, strerror(ENOMEM)); 10938494Sobrien return ENOMEM; 11038494Sobrien } 111174294Sobrien xsnprintf(map_name, l, "%s%s", map, org); 11238494Sobrien 11338494Sobrien data.ncd_m = m; 11438494Sobrien data.ncd_map = map_name; 11538494Sobrien data.ncd_fn = fn; 11638494Sobrien 11738494Sobrien dlog("NISplus reload for %s", map); 11838494Sobrien 11938494Sobrien result = nis_list(map_name, 12038494Sobrien EXPAND_NAME | FOLLOW_LINKS | FOLLOW_PATH, 12138494Sobrien (int (*)()) nisplus_callback, 12238494Sobrien &data); 12338494Sobrien 12438494Sobrien /* free off the NIS map_name */ 12538494Sobrien XFREE(map_name); 12638494Sobrien 12738494Sobrien if (result->status != NIS_SUCCESS && result->status != NIS_CBRESULTS) 12838494Sobrien error = 1; 12938494Sobrien 13038494Sobrien if (error) 13138494Sobrien plog(XLOG_ERROR, "error grabbing nisplus map of %s: %s", 13238494Sobrien map, 13338494Sobrien nis_sperrno(result->status)); 13438494Sobrien 13538494Sobrien nis_freeresult(result); 13638494Sobrien return error; 13738494Sobrien} 13838494Sobrien 13938494Sobrien 14038494Sobrienstatic int 14138494Sobriennisplus_search_callback(const nis_name key, const nis_object *value, voidp opaquedata) 14238494Sobrien{ 14338494Sobrien struct nisplus_search_callback_data *data = (struct nisplus_search_callback_data *) opaquedata; 14438494Sobrien 14538494Sobrien dlog("NISplus search callback for <%s>", ENTRY_VAL(value, 0)); 14638494Sobrien dlog("NISplus search callback value <%s>", ENTRY_VAL(value, 1)); 14738494Sobrien 14838494Sobrien data->value = strnsave(ENTRY_VAL(value, 1), ENTRY_LEN(value, 1)); 14938494Sobrien return TRUE; 15038494Sobrien} 15138494Sobrien 15238494Sobrien 15338494Sobrien/* 15438494Sobrien * Try to locate a key using NIS+. 15538494Sobrien */ 15638494Sobrienint 15738494Sobriennisplus_search(mnt_map *m, char *map, char *key, char **val, time_t *tp) 15838494Sobrien{ 15938494Sobrien nis_result *result; 16038494Sobrien int error = 0; 16138494Sobrien struct nisplus_search_callback_data data; 16238494Sobrien nis_name index; 16338494Sobrien char *org; /* if map does not have ".org_dir" then append it */ 164174294Sobrien size_t l; 16538494Sobrien 16638494Sobrien org = strstr(map, NISPLUS_ORGDIR); 16738494Sobrien if (org == NULL) 16838494Sobrien org = NISPLUS_ORGDIR; 16938494Sobrien else 17038494Sobrien org = ""; 17138494Sobrien 17238494Sobrien /* make some room for the NIS index */ 173174294Sobrien l = sizeof('[') /* for opening selection criteria */ 174174294Sobrien + sizeof(NISPLUS_KEY) 175174294Sobrien + strlen(key) 176174294Sobrien + sizeof(']') /* for closing selection criteria */ 177174294Sobrien + sizeof(',') /* + 1 for , separator */ 178174294Sobrien + strlen(map) 179174294Sobrien + sizeof(NISPLUS_ORGDIR); 180174294Sobrien index = xmalloc(l); 18138494Sobrien if (index == NULL) { 18238494Sobrien plog(XLOG_ERROR, 18338494Sobrien "Unable to create index %s: %s", 18438494Sobrien map, 18538494Sobrien strerror(ENOMEM)); 18638494Sobrien return ENOMEM; 18738494Sobrien } 188174294Sobrien xsnprintf(index, l, "[%s%s],%s%s", NISPLUS_KEY, key, map, org); 18938494Sobrien 19038494Sobrien data.key = key; 19138494Sobrien data.value = NULL; 19238494Sobrien 19338494Sobrien dlog("NISplus search for %s", index); 19438494Sobrien 19538494Sobrien result = nis_list(index, 19638494Sobrien EXPAND_NAME | FOLLOW_LINKS | FOLLOW_PATH, 19738494Sobrien (int (*)()) nisplus_search_callback, 19838494Sobrien &data); 19938494Sobrien 20038494Sobrien /* free off the NIS index */ 20138494Sobrien XFREE(index); 20238494Sobrien 20338494Sobrien if (result == NULL) { 20482794Sobrien plog(XLOG_ERROR, "nisplus_search: %s: %s", map, strerror(ENOMEM)); 20538494Sobrien return ENOMEM; 20638494Sobrien } 20738494Sobrien 20838494Sobrien /* 20938494Sobrien * Do something interesting with the return code 21038494Sobrien */ 21138494Sobrien switch (result->status) { 21238494Sobrien case NIS_SUCCESS: 21338494Sobrien case NIS_CBRESULTS: 21438494Sobrien 21538494Sobrien if (data.value == NULL) { 21638494Sobrien nis_object *value = result->objects.objects_val; 21738494Sobrien dlog("NISplus search found <nothing>"); 21838494Sobrien dlog("NISplus search for %s: %s(%d)", 21938494Sobrien map, nis_sperrno(result->status), result->status); 22038494Sobrien 22138494Sobrien if (value != NULL) 22238494Sobrien data.value = strnsave(ENTRY_VAL(value, 1), ENTRY_LEN(value, 1)); 22338494Sobrien } 22438494Sobrien *val = data.value; 22538494Sobrien 22638494Sobrien if (*val) { 22738494Sobrien error = 0; 22838494Sobrien dlog("NISplus search found %s", *val); 22938494Sobrien } else { 23038494Sobrien error = ENOENT; 23138494Sobrien dlog("NISplus search found nothing"); 23238494Sobrien } 23338494Sobrien 23438494Sobrien *tp = 0; 23538494Sobrien break; 23638494Sobrien 23738494Sobrien case NIS_NOSUCHNAME: 23838494Sobrien dlog("NISplus search returned %d", result->status); 23938494Sobrien error = ENOENT; 24038494Sobrien break; 24138494Sobrien 24238494Sobrien default: 24382794Sobrien plog(XLOG_ERROR, "nisplus_search: %s: %s", map, nis_sperrno(result->status)); 24438494Sobrien error = EIO; 24538494Sobrien break; 24638494Sobrien } 24738494Sobrien nis_freeresult(result); 24838494Sobrien 24938494Sobrien return error; 25038494Sobrien} 25138494Sobrien 25238494Sobrien 25338494Sobrienint 25438494Sobriennisplus_init(mnt_map *m, char *map, time_t *tp) 25538494Sobrien{ 25638494Sobrien nis_result *result; 25738494Sobrien char *org; /* if map does not have ".org_dir" then append it */ 25838494Sobrien nis_name map_name; 25938494Sobrien int error = 0; 260174294Sobrien size_t l; 26138494Sobrien 26238494Sobrien org = strstr(map, NISPLUS_ORGDIR); 26338494Sobrien if (org == NULL) 26438494Sobrien org = NISPLUS_ORGDIR; 26538494Sobrien else 26638494Sobrien org = ""; 26738494Sobrien 26838494Sobrien /* make some room for the NIS map_name */ 269174294Sobrien l = strlen(map) + sizeof(NISPLUS_ORGDIR); 270174294Sobrien map_name = xmalloc(l); 27138494Sobrien if (map_name == NULL) { 27238494Sobrien plog(XLOG_ERROR, 27338494Sobrien "Unable to create map_name %s: %s", 27438494Sobrien map, 27538494Sobrien strerror(ENOMEM)); 27638494Sobrien return ENOMEM; 27738494Sobrien } 278174294Sobrien xsnprintf(map_name, l, "%s%s", map, org); 27938494Sobrien 28038494Sobrien result = nis_lookup(map_name, (EXPAND_NAME | FOLLOW_LINKS | FOLLOW_PATH)); 28138494Sobrien 28238494Sobrien /* free off the NIS map_name */ 28338494Sobrien XFREE(map_name); 28438494Sobrien 28538494Sobrien if (result == NULL) { 28638494Sobrien plog(XLOG_ERROR, "NISplus init <%s>: %s", map, strerror(ENOMEM)); 28738494Sobrien return ENOMEM; 28838494Sobrien } 28938494Sobrien 29038494Sobrien if (result->status != NIS_SUCCESS) { 29138494Sobrien dlog("NISplus init <%s>: %s (%d)", 29238494Sobrien map, nis_sperrno(result->status), result->status); 29338494Sobrien 29438494Sobrien error = ENOENT; 29538494Sobrien } 29638494Sobrien 29738494Sobrien *tp = 0; /* no time */ 29838494Sobrien nis_freeresult(result); 29938494Sobrien return error; 30038494Sobrien} 30138494Sobrien 30238494Sobrien 30338494Sobrienint 30438494Sobriennisplus_mtime(mnt_map *m, char *map, time_t *tp) 30538494Sobrien{ 30638494Sobrien return nisplus_init(m,map, tp); 30738494Sobrien} 308