ypclnt_passwd.c revision 94575
194575Sdes/*- 294575Sdes * Copyright (c) 2002 Networks Associates Technology, Inc. 394575Sdes * All rights reserved. 494575Sdes * 594575Sdes * This software was developed for the FreeBSD Project by ThinkSec AS and 694575Sdes * NAI Labs, the Security Research Division of Network Associates, Inc. 794575Sdes * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the 894575Sdes * DARPA CHATS research program. 994575Sdes * 1094575Sdes * Redistribution and use in source and binary forms, with or without 1194575Sdes * modification, are permitted provided that the following conditions 1294575Sdes * are met: 1394575Sdes * 1. Redistributions of source code must retain the above copyright 1494575Sdes * notice, this list of conditions and the following disclaimer. 1594575Sdes * 2. Redistributions in binary form must reproduce the above copyright 1694575Sdes * notice, this list of conditions and the following disclaimer in the 1794575Sdes * documentation and/or other materials provided with the distribution. 1894575Sdes * 3. The name of the author may not be used to endorse or promote 1994575Sdes * products derived from this software without specific prior written 2094575Sdes * permission. 2194575Sdes * 2294575Sdes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 2394575Sdes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2494575Sdes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2594575Sdes * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2694575Sdes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2794575Sdes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2894575Sdes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2994575Sdes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3094575Sdes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3194575Sdes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3294575Sdes * SUCH DAMAGE. 3394575Sdes * 3494575Sdes * $FreeBSD: head/lib/libypclnt/ypclnt_passwd.c 94575 2002-04-13 06:20:02Z des $ 3594575Sdes */ 3694575Sdes 3794575Sdes#include <err.h> 3894575Sdes#include <errno.h> 3994575Sdes#include <pwd.h> 4094575Sdes#include <stdlib.h> 4194575Sdes#include <string.h> 4294575Sdes 4394575Sdes#include <rpcsvc/ypclnt.h> 4494575Sdes#include <rpcsvc/yppasswd.h> 4594575Sdes 4694575Sdes#include "ypclnt.h" 4794575Sdes 4894575Sdesint 4994575Sdesypclnt_passwd(ypclnt_t *ypclnt, const struct passwd *pwd, const char *passwd) 5094575Sdes{ 5194575Sdes struct yppasswd yppwd; 5294575Sdes struct rpc_err rpcerr; 5394575Sdes CLIENT *clnt = NULL; 5494575Sdes int ret, *result; 5594575Sdes 5694575Sdes /* check that rpc.yppasswdd is running */ 5794575Sdes if (getrpcport(ypclnt->server, YPPASSWDPROG, 5894575Sdes YPPASSWDPROC_UPDATE, IPPROTO_UDP) == 0) { 5994575Sdes ypclnt_error(ypclnt, __func__, "no rpc.yppasswdd on server"); 6094575Sdes return (-1); 6194575Sdes } 6294575Sdes 6394575Sdes /* fill the yppasswd structure */ 6494575Sdes memset(&yppwd, 0, sizeof yppwd); 6594575Sdes yppwd.newpw.pw_uid = pwd->pw_uid; 6694575Sdes yppwd.newpw.pw_gid = pwd->pw_gid; 6794575Sdes if ((yppwd.newpw.pw_name = strdup(pwd->pw_name)) == NULL || 6894575Sdes (yppwd.newpw.pw_passwd = strdup(pwd->pw_passwd)) == NULL || 6994575Sdes (yppwd.newpw.pw_gecos = strdup(pwd->pw_gecos)) == NULL || 7094575Sdes (yppwd.newpw.pw_dir = strdup(pwd->pw_dir)) == NULL || 7194575Sdes (yppwd.newpw.pw_shell = strdup(pwd->pw_shell)) == NULL || 7294575Sdes (yppwd.oldpass = strdup(passwd)) == NULL) { 7394575Sdes ypclnt_error(ypclnt, __func__, strerror(errno)); 7494575Sdes ret = -1; 7594575Sdes goto done; 7694575Sdes } 7794575Sdes 7894575Sdes /* connect to rpc.yppasswdd */ 7994575Sdes clnt = clnt_create(ypclnt->server, YPPASSWDPROG, YPPASSWDVERS, "udp"); 8094575Sdes if (clnt == NULL) { 8194575Sdes ypclnt_error(ypclnt, __func__, 8294575Sdes "failed to connect to rpc.yppasswdd: %s", 8394575Sdes clnt_spcreateerror(ypclnt->server)); 8494575Sdes ret = -1; 8594575Sdes goto done; 8694575Sdes } 8794575Sdes clnt->cl_auth = authunix_create_default(); 8894575Sdes 8994575Sdes /* request the update */ 9094575Sdes result = yppasswdproc_update_1(&yppwd, clnt); 9194575Sdes 9294575Sdes /* check for RPC errors */ 9394575Sdes clnt_geterr(clnt, &rpcerr); 9494575Sdes if (rpcerr.re_status != RPC_SUCCESS) { 9594575Sdes ypclnt_error(ypclnt, __func__, 9694575Sdes "NIS password update failed: %s", 9794575Sdes clnt_sperror(clnt, ypclnt->server)); 9894575Sdes ret = -1; 9994575Sdes goto done; 10094575Sdes } 10194575Sdes 10294575Sdes /* check the result of the update */ 10394575Sdes if (result == NULL || *result != 0) { 10494575Sdes ypclnt_error(ypclnt, __func__, 10594575Sdes "NIS password update failed"); 10694575Sdes /* XXX how do we get more details? */ 10794575Sdes ret = -1; 10894575Sdes goto done; 10994575Sdes } 11094575Sdes 11194575Sdes ypclnt_error(ypclnt, NULL, NULL); 11294575Sdes ret = 0; 11394575Sdes 11494575Sdes done: 11594575Sdes if (clnt != NULL) { 11694575Sdes auth_destroy(clnt->cl_auth); 11794575Sdes clnt_destroy(clnt); 11894575Sdes } 11994575Sdes free(yppwd.newpw.pw_name); 12094575Sdes free(yppwd.newpw.pw_passwd); 12194575Sdes free(yppwd.newpw.pw_gecos); 12294575Sdes free(yppwd.newpw.pw_dir); 12394575Sdes free(yppwd.newpw.pw_shell); 12494575Sdes if (yppwd.oldpass != NULL) { 12594575Sdes memset(yppwd.oldpass, 0, strlen(yppwd.oldpass)); 12694575Sdes free(yppwd.oldpass); 12794575Sdes } 12894575Sdes return (ret); 12994575Sdes} 130