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Diffstat (limited to 'crypto/heimdal/appl/login/shadow.c')
| -rw-r--r-- | crypto/heimdal/appl/login/shadow.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/crypto/heimdal/appl/login/shadow.c b/crypto/heimdal/appl/login/shadow.c new file mode 100644 index 0000000..0923831 --- /dev/null +++ b/crypto/heimdal/appl/login/shadow.c @@ -0,0 +1,95 @@ +/* + * Copyright (c) 1997, 1998, 1999 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "login_locl.h" + +RCSID("$Id: shadow.c,v 1.5 1999/12/02 17:04:56 joda Exp $"); + +#ifdef HAVE_SHADOW_H + +#ifndef _PATH_CHPASS +#define _PATH_CHPASS "/usr/bin/passwd" +#endif + +static int +change_passwd(const struct passwd *who) +{ + int status; + pid_t pid; + + switch (pid = fork()) { + case -1: + printf("fork /bin/passwd"); + exit(1); + case 0: + execlp(_PATH_CHPASS, "passwd", who->pw_name, (char *) 0); + exit(1); + default: + waitpid(pid, &status, 0); + return (status); + } +} + +void +check_shadow(const struct passwd *pw, const struct spwd *sp) +{ + long today; + + today = time(0)/(24L * 60 * 60); + + if (sp == NULL) + return; + + if (sp->sp_expire > 0) { + if (today >= sp->sp_expire) { + printf("Your account has expired.\n"); + sleep(1); + exit(0); + } else if (sp->sp_expire - today < 14) { + printf("Your account will expire in %d days.\n", + (int)(sp->sp_expire - today)); + } + } + + if (sp->sp_max > 0) { + if (today >= (sp->sp_lstchg + sp->sp_max)) { + printf("Your password has expired. Choose a new one.\n"); + change_passwd(pw); + } else if (sp->sp_warn > 0 + && (today > (sp->sp_lstchg + sp->sp_max - sp->sp_warn))) { + printf("Your password will expire in %d days.\n", + (int)(sp->sp_lstchg + sp->sp_max - today)); + } + } +} +#endif /* HAVE_SHADOW_H */ |
