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KerberosIV de-orbit burn continues. Remove the KerberosIV PAM module.

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This commit is contained in:
Mark Murray 2003-03-08 10:33:20 +00:00
parent b4240e6ce9
commit 5d658b151b
7 changed files with 0 additions and 454 deletions
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3
lib/libpam/Makefile.inc
View File

@ -27,9 +27,6 @@
SHLIB_MAJOR= 2
.if !defined(NOCRYPT) && !defined(NO_OPENSSL)
.if defined(MAKE_KERBEROS4)
DISTRIBUTION+= krb4
.endif
.if defined(MAKE_KERBEROS5)
DISTRIBUTION+= krb5
.endif

3
lib/libpam/modules/modules.inc
View File

@ -7,9 +7,6 @@ MODULES += pam_exec
MODULES += pam_ftp
MODULES += pam_ftpusers
MODULES += pam_group
.if defined(MAKE_KERBEROS4) && !defined(NOCRYPT) && !defined(NO_OPENSSL)
MODULES += pam_kerberosIV
.endif
.if defined(MAKE_KERBEROS5) && !defined(NOCRYPT) && !defined(NO_OPENSSL)
MODULES += pam_krb5
MODULES += pam_ksu

35
lib/libpam/modules/pam_kerberosIV/Makefile
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@ -1,35 +0,0 @@
# Copyright 1998 Juniper Networks, Inc.
# 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.
#
# $FreeBSD$
LIB= pam_kerberosIV
SRCS= pam_kerberosIV.c klogin.c
NO_WERROR= yes
CFLAGS+= -DKERBEROS
DPADD= ${LIBKRB} ${LIBCRYPTO} ${LIBCOM_ERR}
LDADD= -lkrb -lcrypto -lcom_err
MAN= pam_kerberosIV.8
.include <bsd.lib.mk>

206
lib/libpam/modules/pam_kerberosIV/klogin.c
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@ -1,206 +0,0 @@
/*-
* Copyright (c) 1990, 1993, 1994
* The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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>
__FBSDID("$FreeBSD$");
#ifndef lint
static const char sccsid[] = "@(#)klogin.c 8.3 (Berkeley) 4/2/94";
#endif /* not lint */
#ifdef KERBEROS
#include <sys/param.h>
#include <sys/syslog.h>
#include <openssl/des.h>
#include <krb.h>
#include <err.h>
#include <netdb.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "klogin.h"
#define INITIAL_TICKET "krbtgt"
#define VERIFY_SERVICE "rcmd"
extern int notickets;
extern char *krbtkfile_env;
/*
* Attempt to log the user in using Kerberos authentication
*
* return 0 on success (will be logged in)
* 1 if Kerberos failed (try local password in login)
*/
int
klogin(struct passwd *pw, char *instance, char *localhost, const char *password)
{
int kerror;
char realm[REALM_SZ], savehost[MAXHOSTNAMELEN];
char tkt_location[MAXPATHLEN];
extern int noticketsdontcomplain;
#ifdef KLOGIN_PARANOID
AUTH_DAT authdata;
KTEXT_ST ticket;
struct hostent *hp;
unsigned long faddr;
noticketsdontcomplain = 0; /* enable warning message */
#endif
/*
* Root logins don't use Kerberos.
* If we have a realm, try getting a ticket-granting ticket
* and using it to authenticate. Otherwise, return
* failure so that we can try the normal passwd file
* for a password. If that's ok, log the user in
* without issuing any tickets.
*/
if (strcmp(pw->pw_name, "root") == 0 ||
krb_get_lrealm(realm, 0) != KSUCCESS)
return (1);
noticketsdontcomplain = 0; /* enable warning message */
/*
* get TGT for local realm
* tickets are stored in a file named TKT_ROOT plus uid
* except for user.root tickets.
*/
if (strcmp(instance, "root") != 0)
(void)sprintf(tkt_location, "%s%d", TKT_ROOT, pw->pw_uid);
else {
(void)sprintf(tkt_location, "%s_root_%d", TKT_ROOT, pw->pw_uid);
krbtkfile_env = tkt_location;
}
(void)krb_set_tkt_string(tkt_location);
/*
* Set real as well as effective ID to 0 for the moment,
* to make the kerberos library do the right thing.
*/
if (setuid(0) < 0) {
warnx("setuid");
return (1);
}
kerror = krb_get_pw_in_tkt(pw->pw_name, instance,
realm, INITIAL_TICKET, realm, DEFAULT_TKT_LIFE, password);
/*
* If we got a TGT, get a local "rcmd" ticket and check it so as to
* ensure that we are not talking to a bogus Kerberos server.
*
* There are 2 cases where we still allow a login:
* 1: the VERIFY_SERVICE doesn't exist in the KDC
* 2: local host has no srvtab, as (hopefully) indicated by a
* return value of RD_AP_UNDEC from krb_rd_req().
*/
if (kerror != INTK_OK) {
if (kerror != INTK_BADPW && kerror != KDC_PR_UNKNOWN) {
syslog(LOG_ERR, "Kerberos intkt error: %s",
krb_err_txt[kerror]);
dest_tkt();
}
return (1);
}
if (chown(TKT_FILE, pw->pw_uid, pw->pw_gid) < 0)
syslog(LOG_ERR, "chown tkfile (%s): %m", TKT_FILE);
(void)strncpy(savehost, krb_get_phost(localhost), sizeof(savehost));
savehost[sizeof(savehost)-1] = NULL;
#ifdef KLOGIN_PARANOID
/*
* if the "VERIFY_SERVICE" doesn't exist in the KDC for this host,
* still allow login with tickets, but log the error condition.
*/
kerror = krb_mk_req(&ticket, VERIFY_SERVICE, savehost, realm, 33);
if (kerror == KDC_PR_UNKNOWN) {
syslog(LOG_NOTICE,
"warning: TGT not verified (%s); %s.%s not registered, or srvtab is wrong?",
krb_err_txt[kerror], VERIFY_SERVICE, savehost);
notickets = 0;
return (0);
}
if (kerror != KSUCCESS) {
warnx("unable to use TGT: (%s)", krb_err_txt[kerror]);
syslog(LOG_NOTICE, "unable to use TGT: (%s)",
krb_err_txt[kerror]);
dest_tkt();
return (1);
}
if (!(hp = gethostbyname(localhost))) {
syslog(LOG_ERR, "couldn't get local host address");
dest_tkt();
return (1);
}
memmove((void *)&faddr, (void *)hp->h_addr, sizeof(faddr));
kerror = krb_rd_req(&ticket, VERIFY_SERVICE, savehost, faddr,
&authdata, "");
if (kerror == KSUCCESS) {
notickets = 0;
return (0);
}
/* undecipherable: probably didn't have a srvtab on the local host */
if (kerror == RD_AP_UNDEC) {
syslog(LOG_NOTICE, "krb_rd_req: (%s)\n", krb_err_txt[kerror]);
dest_tkt();
return (1);
}
/* failed for some other reason */
warnx("unable to verify %s ticket: (%s)", VERIFY_SERVICE,
krb_err_txt[kerror]);
syslog(LOG_NOTICE, "couldn't verify %s ticket: %s", VERIFY_SERVICE,
krb_err_txt[kerror]);
dest_tkt();
return (1);
#else
notickets = 0;
return (0);
#endif
}
#endif

5
lib/libpam/modules/pam_kerberosIV/klogin.h
View File

@ -1,5 +0,0 @@
/*
* $FreeBSD$
*/
int klogin(struct passwd *, char *, char *, const char *);

65
lib/libpam/modules/pam_kerberosIV/pam_kerberosIV.8
View File

@ -1,65 +0,0 @@
.\" Copyright (c) 2003 Networks Associates Technology, Inc.
.\" All rights reserved.
.\"
.\" Portions of this software were 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.
.\"
.\" $FreeBSD$
.\"
.Dd February 6, 2003
.Dt PAM_KERBEROSIV 8
.Os
.Sh NAME
.Nm pam_kerberosIV
.Nd Kerberos IV PAM module
.Sh SYNOPSIS
.Op Ar service-name
.Ar module-type
.Ar control-flag
.Pa pam_kerberosIV
.Op Ar arguments
.Sh DESCRIPTION
The Kerberos IV service module for PAM implements user authentication
by way of Kerberos IV.
It provides no other services than authentication.
.Sh SEE ALSO
.Xr pam.conf 5 ,
.Xr pam 8 ,
.Xr pam_krb5 8
.Sh AUTHORS
The
.Nm
module was donated to the
.Fx
Project by Juniper Networks, Inc.
This manual page was written by
ThinkSec AS and NAI Labs, the Security Research Division of Network
Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
.Pq Dq CBOSS ,
as part of the DARPA CHATS research program.

137
lib/libpam/modules/pam_kerberosIV/pam_kerberosIV.c
View File

@ -1,137 +0,0 @@
/*-
* Copyright 1998 Juniper Networks, Inc.
* All rights reserved.
* Copyright (c) 2002 Networks Associates Technology, Inc.
* All rights reserved.
*
* Portions of this software were 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <pwd.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define PAM_SM_AUTH
#include <security/pam_appl.h>
#include <security/pam_modules.h>
#include <security/pam_mod_misc.h>
#include "klogin.h"
/* Globals used by klogin.c */
int notickets = 1;
int noticketsdontcomplain = 1;
char *krbtkfile_env;
PAM_EXTERN int
pam_sm_authenticate(pam_handle_t *pamh, int flags,
int argc __unused, const char *argv[] __unused)
{
int retval;
const char *user;
char *principal;
char *instance;
const char *password;
char localhost[MAXHOSTNAMELEN + 1];
struct passwd *pwd;
retval = pam_get_user(pamh, &user, NULL);
if (retval != PAM_SUCCESS)
return (retval);
PAM_LOG("Got user: %s", user);
retval = pam_get_authtok(pamh, PAM_AUTHTOK, &password, NULL);
if (retval != PAM_SUCCESS)
return (retval);
PAM_LOG("Got password");
if (gethostname(localhost, sizeof localhost - 1) == -1)
return (PAM_SYSTEM_ERR);
PAM_LOG("Got localhost: %s", localhost);
principal = strdup(user);
if (principal == NULL)
return (PAM_BUF_ERR);
instance = strchr(principal, '.');
if (instance != NULL)
*instance++ = '\0';
else
instance = strchr(principal, '\0');
PAM_LOG("Got principal.instance: %s.%s", principal, instance);
retval = PAM_AUTH_ERR;
pwd = getpwnam(user);
if (pwd != NULL) {
if (klogin(pwd, instance, localhost, password) == 0) {
if (notickets && !noticketsdontcomplain)
PAM_VERBOSE_ERROR("Warning: no Kerberos tickets issued");
/*
* XXX - I think the ticket file isn't supposed to
* be created until pam_sm_setcred() is called.
*/
if (krbtkfile_env != NULL)
setenv("KRBTKFILE", krbtkfile_env, 1);
retval = PAM_SUCCESS;
}
PAM_LOG("Done klogin()");
}
/*
* The PAM infrastructure will obliterate the cleartext
* password before returning to the application.
*/
free(principal);
if (retval != PAM_SUCCESS)
PAM_VERBOSE_ERROR("Kerberos IV refuses you");
return (retval);
}
PAM_EXTERN int
pam_sm_setcred(pam_handle_t *pamh __unused, int flags __unused,
int argc __unused, const char *argv[] __unused)
{
return (PAM_SUCCESS);
}
PAM_MODULE_ENTRY("pam_kerberosIV");