shadow.c revision 233294
155682Smarkm/* 2233294Sstas * Copyright (c) 1997, 1998, 1999 Kungliga Tekniska H��gskolan 3233294Sstas * (Royal Institute of Technology, Stockholm, Sweden). 4233294Sstas * All rights reserved. 555682Smarkm * 6233294Sstas * Redistribution and use in source and binary forms, with or without 7233294Sstas * modification, are permitted provided that the following conditions 8233294Sstas * are met: 955682Smarkm * 10233294Sstas * 1. Redistributions of source code must retain the above copyright 11233294Sstas * notice, this list of conditions and the following disclaimer. 1255682Smarkm * 13233294Sstas * 2. Redistributions in binary form must reproduce the above copyright 14233294Sstas * notice, this list of conditions and the following disclaimer in the 15233294Sstas * documentation and/or other materials provided with the distribution. 1655682Smarkm * 17233294Sstas * 3. Neither the name of the Institute nor the names of its contributors 18233294Sstas * may be used to endorse or promote products derived from this software 19233294Sstas * without specific prior written permission. 2055682Smarkm * 21233294Sstas * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22233294Sstas * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23233294Sstas * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24233294Sstas * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25233294Sstas * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26233294Sstas * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27233294Sstas * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28233294Sstas * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29233294Sstas * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30233294Sstas * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31233294Sstas * SUCH DAMAGE. 3255682Smarkm */ 3355682Smarkm 3455682Smarkm#include "login_locl.h" 3555682Smarkm 36233294SstasRCSID("$Id$"); 3755682Smarkm 3855682Smarkm#ifdef HAVE_SHADOW_H 3955682Smarkm 4055682Smarkm#ifndef _PATH_CHPASS 4155682Smarkm#define _PATH_CHPASS "/usr/bin/passwd" 4255682Smarkm#endif 4355682Smarkm 4455682Smarkmstatic int 4555682Smarkmchange_passwd(const struct passwd *who) 4655682Smarkm{ 4755682Smarkm int status; 4855682Smarkm pid_t pid; 4955682Smarkm 5055682Smarkm switch (pid = fork()) { 5155682Smarkm case -1: 5255682Smarkm printf("fork /bin/passwd"); 5355682Smarkm exit(1); 5455682Smarkm case 0: 5555682Smarkm execlp(_PATH_CHPASS, "passwd", who->pw_name, (char *) 0); 5655682Smarkm exit(1); 5755682Smarkm default: 5855682Smarkm waitpid(pid, &status, 0); 5955682Smarkm return (status); 6055682Smarkm } 6155682Smarkm} 6255682Smarkm 63233294Sstasvoid 6455682Smarkmcheck_shadow(const struct passwd *pw, const struct spwd *sp) 6555682Smarkm{ 6655682Smarkm long today; 6755682Smarkm 6855682Smarkm today = time(0)/(24L * 60 * 60); 69233294Sstas 7055682Smarkm if (sp == NULL) 7155682Smarkm return; 7255682Smarkm 7355682Smarkm if (sp->sp_expire > 0) { 7455682Smarkm if (today >= sp->sp_expire) { 7555682Smarkm printf("Your account has expired.\n"); 7655682Smarkm sleep(1); 7755682Smarkm exit(0); 7855682Smarkm } else if (sp->sp_expire - today < 14) { 7955682Smarkm printf("Your account will expire in %d days.\n", 8055682Smarkm (int)(sp->sp_expire - today)); 8155682Smarkm } 8255682Smarkm } 8355682Smarkm 8455682Smarkm if (sp->sp_max > 0) { 8555682Smarkm if (today >= (sp->sp_lstchg + sp->sp_max)) { 8655682Smarkm printf("Your password has expired. Choose a new one.\n"); 8755682Smarkm change_passwd(pw); 8855682Smarkm } else if (sp->sp_warn > 0 8955682Smarkm && (today > (sp->sp_lstchg + sp->sp_max - sp->sp_warn))) { 9055682Smarkm printf("Your password will expire in %d days.\n", 9155682Smarkm (int)(sp->sp_lstchg + sp->sp_max - today)); 9255682Smarkm } 9355682Smarkm } 9455682Smarkm} 9555682Smarkm#endif /* HAVE_SHADOW_H */ 96