1/*- 2 * Copyright (c) 2002 Networks Associates Technology, Inc. 3 * All rights reserved. 4 * 5 * This software was developed for the FreeBSD Project by ThinkSec AS and 6 * NAI Labs, the Security Research Division of Network Associates, Inc. 7 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the 8 * DARPA CHATS research program. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. The name of the author may not be used to endorse or promote 19 * products derived from this software without specific prior written 20 * permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35#include <sys/cdefs.h> 36__FBSDID("$FreeBSD: releng/11.0/lib/libpam/modules/pam_opieaccess/pam_opieaccess.c 125668 2004-02-10 20:42:33Z cperciva $"); 37 38#define _BSD_SOURCE 39 40#include <sys/types.h> 41#include <opie.h> 42#include <pwd.h> 43#include <unistd.h> 44#include <syslog.h> 45 46#define PAM_SM_AUTH 47 48#include <security/pam_appl.h> 49#include <security/pam_modules.h> 50#include <security/pam_mod_misc.h> 51 52PAM_EXTERN int 53pam_sm_authenticate(pam_handle_t *pamh, int flags __unused, 54 int argc __unused, const char *argv[] __unused) 55{ 56 struct opie opie; 57 struct passwd *pwent; 58 const void *luser, *rhost; 59 int r; 60 61 r = pam_get_item(pamh, PAM_USER, &luser); 62 if (r != PAM_SUCCESS) 63 return (r); 64 if (luser == NULL) 65 return (PAM_SERVICE_ERR); 66 67 pwent = getpwnam(luser); 68 if (pwent == NULL || opielookup(&opie, __DECONST(char *, luser)) != 0) 69 return (PAM_SUCCESS); 70 71 r = pam_get_item(pamh, PAM_RHOST, &rhost); 72 if (r != PAM_SUCCESS) 73 return (r); 74 if (rhost == NULL || *(const char *)rhost == '\0') 75 rhost = openpam_get_option(pamh, "allow_local") ? 76 "" : "localhost"; 77 78 if (opieaccessfile(__DECONST(char *, rhost)) != 0 && 79 opiealways(pwent->pw_dir) != 0) 80 return (PAM_SUCCESS); 81 82 PAM_VERBOSE_ERROR("Refused; remote host is not in opieaccess"); 83 84 return (PAM_AUTH_ERR); 85} 86 87PAM_EXTERN int 88pam_sm_setcred(pam_handle_t *pamh __unused, int flags __unused, 89 int argc __unused, const char *argv[] __unused) 90{ 91 92 return (PAM_SUCCESS); 93} 94 95PAM_MODULE_ENTRY("pam_opieaccess"); 96