99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
/*****************************************************************************
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*
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* $Id: pwdcheck.c,v 1.2 2003/08/15 20:05:36 mbroek Exp $
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* Purpose ...............: MBSE BBS Shadow Password Suite
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* Original Source .......: Shadow Password Suite
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* Original Copyrioght ...: Julianne Frances Haugh and others.
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*
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*****************************************************************************
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* Copyright (C) 1997-2001
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*
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* Michiel Broek FIDO: 2:280/2802
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* Beekmansbos 10
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* 1971 BV IJmuiden
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* the Netherlands
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*
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* This file is part of MBSE BBS.
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*
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* This BBS is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* MBSE BBS is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MBSE BBS; see the file COPYING. If not, write to the Free
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* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*****************************************************************************/
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#include "../config.h"
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#include <stdio.h>
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#include "mblogin.h"
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#include <pwd.h>
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#include <syslog.h>
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#include "pwauth.h"
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#include "pwdcheck.h"
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#ifdef HAVE_SHADOW_H
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#include <shadow.h>
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#endif
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#ifdef USE_PAM
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// #include "pam_defs.h"
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#endif
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#define WRONGPWD2 "incorrect password for `%s'"
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void passwd_check(const char *user, const char *passwd, const char *progname)
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{
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#ifdef USE_PAM
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pam_handle_t *pamh = NULL;
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int retcode;
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struct pam_conv conv = { misc_conv, NULL };
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if (pam_start(progname, user, &conv, &pamh)) {
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bailout:
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SYSLOG((LOG_WARN, WRONGPWD2, user));
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sleep(1);
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fprintf(stderr, "Incorrect password for %s.\n", user);
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exit(1);
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}
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if (pam_authenticate(pamh, 0))
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goto bailout;
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retcode = pam_acct_mgmt(pamh, 0);
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if (retcode == PAM_NEW_AUTHTOK_REQD) {
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retcode = pam_chauthtok(pamh, PAM_CHANGE_EXPIRED_AUTHTOK);
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} else if (retcode)
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goto bailout;
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if (pam_setcred(pamh, 0))
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goto bailout;
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/* no need to establish a session; this isn't a session-oriented
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* activity... */
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#else /* !USE_PAM */
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#ifdef SHADOW_PASSWORD
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struct spwd *sp;
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if ((sp = getspnam(user)))
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passwd = sp->sp_pwdp;
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endspent();
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#endif
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if (pw_auth(passwd, user, PW_LOGIN, (char *) 0) != 0) {
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syslog(LOG_WARNING, WRONGPWD2, user);
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sleep(1);
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fprintf(stderr, "Incorrect password for %s.\n", user);
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exit(1);
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}
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#endif /* !USE_PAM */
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}
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