A working bare-bones pam_unix module (authentication only). Should
work with Linux-PAM, though I've only tested it with OpenPAM. Sponsored by: DARPA, NAI Labs git-svn-id: svn+ssh://svn.openpam.org/svn/openpam/trunk@155 185d5e19-27fe-0310-9dcf-9bff6b9f3609
This commit is contained in:
Dag-Erling Smørgrav
parent
068d50bebf
commit
67148408c9
|
|
@ -31,12 +31,13 @@
|
|||
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
# SUCH DAMAGE.
|
||||
#
|
||||
# $P4: //depot/projects/openpam/modules/Makefile#5 $
|
||||
# $P4: //depot/projects/openpam/modules/Makefile#6 $
|
||||
#
|
||||
|
||||
SUBDIR =
|
||||
SUBDIR += pam_deny
|
||||
SUBDIR += pam_dummy
|
||||
SUBDIR += pam_permit
|
||||
SUBDIR += pam_unix
|
||||
|
||||
.include <bsd.subdir.mk>
|
||||
|
|
|
|||
|
|
@ -0,0 +1,44 @@
|
|||
#-
|
||||
# Copyright (c) 2002 Networks Associates Technology, Inc.
|
||||
# All rights reserved.
|
||||
#
|
||||
# This software was developed for the FreeBSD Project by ThinkSec AS and
|
||||
# NAI Labs, the Security Research Division of Network Associates, Inc.
|
||||
# under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
|
||||
# DARPA CHATS research program.
|
||||
#
|
||||
# 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. The name of the author may not be used to endorse or promote
|
||||
# products derived from this software without specific prior written
|
||||
# permission.
|
||||
#
|
||||
# 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.
|
||||
#
|
||||
# $P4: //depot/projects/openpam/modules/pam_unix/Makefile#1 $
|
||||
#
|
||||
|
||||
LIB = pam_unix
|
||||
SHLIB_NAME = pam_unix.so
|
||||
SRCS = pam_unix.c
|
||||
CFLAGS += -I${.CURDIR}/../../include
|
||||
DPADD = ${LIBCRYPT}
|
||||
LDADD = -lcrypt
|
||||
|
||||
.include <bsd.lib.mk>
|
||||
|
|
@ -0,0 +1,163 @@
|
|||
/*-
|
||||
* Copyright (c) 2002 Networks Associates Technology, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This software was developed for the FreeBSD Project by ThinkSec AS and
|
||||
* NAI Labs, the Security Research Division of Network Associates, Inc.
|
||||
* under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
|
||||
* DARPA CHATS research program.
|
||||
*
|
||||
* 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. The name of the author may not be used to endorse or promote
|
||||
* products derived from this software without specific prior written
|
||||
* permission.
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* $P4: //depot/projects/openpam/modules/pam_unix/pam_unix.c#1 $
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
|
||||
#include <pwd.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <security/pam_modules.h>
|
||||
|
||||
#ifndef _OPENPAM
|
||||
static char password_prompt[] = "Password:";
|
||||
#endif
|
||||
|
||||
#ifndef PAM_EXTERN
|
||||
#define PAM_EXTERN
|
||||
#endif
|
||||
|
||||
PAM_EXTERN int
|
||||
pam_sm_authenticate(pam_handle_t *pamh, int flags,
|
||||
int argc, const char *argv[])
|
||||
{
|
||||
#ifndef _OPENPAM
|
||||
struct pam_conv *conv;
|
||||
struct pam_message msg;
|
||||
const struct pam_message *msgp;
|
||||
struct pam_response *resp;
|
||||
#endif
|
||||
struct passwd *pwd;
|
||||
const char *user;
|
||||
char *crypt_password, *password;
|
||||
int pam_err, retry;
|
||||
|
||||
/* identify user */
|
||||
if ((pam_err = pam_get_user(pamh, &user, NULL)) != PAM_SUCCESS)
|
||||
return (pam_err);
|
||||
if ((pwd = getpwnam(user)) == NULL)
|
||||
return (PAM_USER_UNKNOWN);
|
||||
|
||||
/* get password */
|
||||
#ifndef _OPENPAM
|
||||
pam_err = pam_get_item(pamh, PAM_CONV, (const void **)&conv);
|
||||
if (pam_err != PAM_SUCCESS)
|
||||
return (PAM_SYSTEM_ERR);
|
||||
msg.msg_style = PAM_PROMPT_ECHO_OFF;
|
||||
msg.msg = password_prompt;
|
||||
msgp = &msg;
|
||||
#endif
|
||||
for (retry = 0; retry < 3; ++retry) {
|
||||
#ifdef _OPENPAM
|
||||
pam_err = pam_get_authtok(pamh, PAM_AUTHTOK,
|
||||
(const char **)&password, NULL);
|
||||
#else
|
||||
resp = NULL;
|
||||
pam_err = (*conv->conv)(1, &msgp, &resp, conv->appdata_ptr);
|
||||
if (resp != NULL) {
|
||||
if (pam_err == PAM_SUCCESS)
|
||||
password = resp->resp;
|
||||
else
|
||||
free(resp->resp);
|
||||
free(resp);
|
||||
}
|
||||
#endif
|
||||
if (pam_err == PAM_SUCCESS)
|
||||
break;
|
||||
}
|
||||
if (pam_err == PAM_CONV_ERR)
|
||||
return (pam_err);
|
||||
if (pam_err != PAM_SUCCESS)
|
||||
return (PAM_AUTH_ERR);
|
||||
|
||||
/* compare passwords */
|
||||
if ((!pwd->pw_passwd[0] && (flags & PAM_DISALLOW_NULL_AUTHTOK)) ||
|
||||
(crypt_password = crypt(password, pwd->pw_passwd)) == NULL ||
|
||||
strcmp(crypt_password, pwd->pw_passwd) != 0)
|
||||
pam_err = PAM_AUTH_ERR;
|
||||
else
|
||||
pam_err = PAM_SUCCESS;
|
||||
#ifndef _OPENPAM
|
||||
free(password);
|
||||
#endif
|
||||
return (pam_err);
|
||||
}
|
||||
|
||||
PAM_EXTERN int
|
||||
pam_sm_setcred(pam_handle_t *pamh, int flags,
|
||||
int argc, const char *argv[])
|
||||
{
|
||||
|
||||
return (PAM_SUCCESS);
|
||||
}
|
||||
|
||||
PAM_EXTERN int
|
||||
pam_sm_acct_mgmt(pam_handle_t *pamh, int flags,
|
||||
int argc, const char *argv[])
|
||||
{
|
||||
|
||||
return (PAM_SUCCESS);
|
||||
}
|
||||
|
||||
PAM_EXTERN int
|
||||
pam_sm_open_session(pam_handle_t *pamh, int flags,
|
||||
int argc, const char *argv[])
|
||||
{
|
||||
|
||||
return (PAM_SUCCESS);
|
||||
}
|
||||
|
||||
PAM_EXTERN int
|
||||
pam_sm_close_session(pam_handle_t *pamh, int flags,
|
||||
int argc, const char *argv[])
|
||||
{
|
||||
|
||||
return (PAM_SUCCESS);
|
||||
}
|
||||
|
||||
PAM_EXTERN int
|
||||
pam_sm_chauthtok(pam_handle_t *pamh, int flags,
|
||||
int argc, const char *argv[])
|
||||
{
|
||||
|
||||
return (PAM_SERVICE_ERR);
|
||||
}
|
||||
|
||||
#ifdef PAM_MODULE_ENTRY
|
||||
PAM_MODULE_ENTRY("pam_unix");
|
||||
#endif
|
||||
Loading…
Reference in New Issue