NetBSD/lib/libpam/modules/pam_deny/pam_deny.c

116 lines
3.2 KiB
C

/* $NetBSD: pam_deny.c,v 1.4 2013/10/19 22:57:46 mrg Exp $ */
/*-
* Copyright 2001 Mark R V Murray
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <sys/cdefs.h>
#ifdef __FreeBSD__
__FBSDID("$FreeBSD: src/lib/libpam/modules/pam_deny/pam_deny.c,v 1.9 2002/04/12 22:27:19 des Exp $");
#else
__RCSID("$NetBSD: pam_deny.c,v 1.4 2013/10/19 22:57:46 mrg Exp $");
#endif
#include <stddef.h>
#include <string.h>
#include <syslog.h>
#define PAM_SM_AUTH
#define PAM_SM_ACCOUNT
#define PAM_SM_SESSION
#define PAM_SM_PASSWORD
#include <security/pam_appl.h>
#include <security/pam_modules.h>
PAM_EXTERN int
pam_sm_authenticate(pam_handle_t *pamh, int flags __unused,
int argc __unused, const char *argv[] __unused)
{
const char *user;
int r;
if ((r = pam_get_user(pamh, &user, NULL)) != PAM_SUCCESS)
return (r);
return (PAM_AUTH_ERR);
}
PAM_EXTERN int
pam_sm_setcred(pam_handle_t *pamh __unused, int flags __unused,
int argc __unused, const char *argv[] __unused)
{
return (PAM_CRED_ERR);
}
PAM_EXTERN int
pam_sm_acct_mgmt(pam_handle_t *pamh __unused, int flags __unused,
int argc __unused, const char *argv[] __unused)
{
return (PAM_AUTH_ERR);
}
PAM_EXTERN int
pam_sm_chauthtok(pam_handle_t *pamh __unused, int flags,
int argc, const char *argv[])
{
int prelim_ignore = 0;
int i;
for (i = 0; i < argc; i++) {
if (strcmp(argv[i], "prelim_ignore") == 0)
prelim_ignore = 1;
else if (strcmp(argv[i], "debug") == 0)
/* nothing */;
else
syslog(LOG_ERR, "illegal option %s", argv[i]);
}
if (flags & PAM_PRELIM_CHECK && prelim_ignore)
return (PAM_IGNORE);
else
return (PAM_AUTHTOK_ERR);
}
PAM_EXTERN int
pam_sm_open_session(pam_handle_t *pamh __unused, int flags __unused,
int argc __unused, const char *argv[] __unused)
{
return (PAM_SESSION_ERR);
}
PAM_EXTERN int
pam_sm_close_session(pam_handle_t *pamh __unused, int flags __unused,
int argc __unused, const char *argv[] __unused)
{
return (PAM_SESSION_ERR);
}
PAM_MODULE_ENTRY("pam_deny");