c7302b61ef
Files with no license use the default 3-clauses BSD license. The copyright were mostly not recorded; they were updated according to the Changelog. "Julianne Frances Haugh and contributors" changed to "copyright holders and contributors".
87 lines
2.8 KiB
C
87 lines
2.8 KiB
C
/*
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* Copyright (c) 2000 - 2005, Tomasz Kłoczko
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* Copyright (c) 2007 - 2008, Nicolas François
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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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* 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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* 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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* 3. The name of the copyright holders or contributors may not be used to
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* endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <config.h>
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#ident "$Id$"
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#include <stdio.h>
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#include "prototypes.h"
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#include "defines.h"
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#ifdef USE_PAM
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#include "pam_defs.h"
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#else
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#include <shadow.h>
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#include "pwauth.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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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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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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struct spwd *sp;
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if ((sp = getspnam (user))) /* !USE_PAM, no need for xgetspnam */
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passwd = sp->sp_pwdp;
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if (pw_auth (passwd, user, PW_LOGIN, (char *) 0) != 0) {
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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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#endif /* !USE_PAM */
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}
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