96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
/*
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* Copyright (c) 1997, 1998, 1999 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "login_locl.h"
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RCSID("$Id: shadow.c,v 1.5 1999/12/02 17:04:56 joda Exp $");
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#ifdef HAVE_SHADOW_H
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#ifndef _PATH_CHPASS
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#define _PATH_CHPASS "/usr/bin/passwd"
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#endif
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static int
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change_passwd(const struct passwd *who)
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{
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int status;
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pid_t pid;
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switch (pid = fork()) {
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case -1:
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printf("fork /bin/passwd");
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exit(1);
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case 0:
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execlp(_PATH_CHPASS, "passwd", who->pw_name, (char *) 0);
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exit(1);
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default:
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waitpid(pid, &status, 0);
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return (status);
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}
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}
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void
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check_shadow(const struct passwd *pw, const struct spwd *sp)
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{
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long today;
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today = time(0)/(24L * 60 * 60);
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if (sp == NULL)
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return;
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if (sp->sp_expire > 0) {
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if (today >= sp->sp_expire) {
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printf("Your account has expired.\n");
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sleep(1);
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exit(0);
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} else if (sp->sp_expire - today < 14) {
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printf("Your account will expire in %d days.\n",
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(int)(sp->sp_expire - today));
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}
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}
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if (sp->sp_max > 0) {
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if (today >= (sp->sp_lstchg + sp->sp_max)) {
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printf("Your password has expired. Choose a new one.\n");
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change_passwd(pw);
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} else if (sp->sp_warn > 0
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&& (today > (sp->sp_lstchg + sp->sp_max - sp->sp_warn))) {
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printf("Your password will expire in %d days.\n",
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(int)(sp->sp_lstchg + sp->sp_max - today));
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}
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}
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}
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#endif /* HAVE_SHADOW_H */
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