1/*- 2 * Copyright (c) 2002-2003 Networks Associates Technology, Inc. 3 * Copyright (c) 2004-2007 Dag-Erling Smørgrav 4 * All rights reserved. 5 * 6 * This software was developed for the FreeBSD Project by ThinkSec AS and 7 * Network Associates Laboratories, the Security Research Division of 8 * Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 9 * ("CBOSS"), as part of the DARPA CHATS research program. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote 20 * products derived from this software without specific prior written 21 * permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * $Id: pam_chauthtok.c 408 2007-12-21 11:36:24Z des $ 36 */ 37 38#include <sys/param.h> 39 40#include <security/pam_appl.h> 41 42#include "openpam_impl.h" 43 44/* 45 * XSSO 4.2.1 46 * XSSO 6 page 38 47 * 48 * Perform password related functions within the PAM framework 49 */ 50 51int 52pam_chauthtok(pam_handle_t *pamh, 53 int flags) 54{ 55 int r; 56 57 ENTER(); 58 if (flags & ~(PAM_SILENT|PAM_CHANGE_EXPIRED_AUTHTOK)) 59 RETURNC(PAM_SYMBOL_ERR); 60 r = openpam_dispatch(pamh, PAM_SM_CHAUTHTOK, 61 flags | PAM_PRELIM_CHECK); 62 if (r == PAM_SUCCESS) 63 r = openpam_dispatch(pamh, PAM_SM_CHAUTHTOK, 64 flags | PAM_UPDATE_AUTHTOK); 65 pam_set_item(pamh, PAM_OLDAUTHTOK, NULL); 66 pam_set_item(pamh, PAM_AUTHTOK, NULL); 67 RETURNC(r); 68} 69 70/* 71 * Error codes: 72 * 73 * =openpam_dispatch 74 * =pam_sm_chauthtok 75 * !PAM_IGNORE 76 * PAM_SYMBOL_ERR 77 */ 78 79/** 80 * The =pam_chauthtok function attempts to change the authentication token 81 * for the user associated with the pam context specified by the =pamh 82 * argument. 83 * 84 * The =flags argument is the binary or of zero or more of the following 85 * values: 86 * 87 * =PAM_SILENT: 88 * Do not emit any messages. 89 * =PAM_CHANGE_EXPIRED_AUTHTOK: 90 * Change only those authentication tokens that have expired. 91 * 92 * If any other bits are set, =pam_chauthtok will return =PAM_SYMBOL_ERR. 93 */ 94