1 /*- 2 * Copyright (c) 2001 Mark R V Murray 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #define _BSD_SOURCE 30 31 #include <unistd.h> 32 #include <syslog.h> 33 34 #define PAM_SM_AUTH 35 36 #include <security/pam_modules.h> 37 #include <pam_mod_misc.h> 38 39 PAM_EXTERN int 40 pam_sm_authenticate(pam_handle_t *pamh, int flags, int argc, const char **argv) 41 { 42 struct options options; 43 44 pam_std_option(&options, NULL, argc, argv); 45 46 PAM_LOG("Options processed"); 47 48 if (getuid() == 0) 49 PAM_RETURN(PAM_SUCCESS); 50 51 PAM_VERBOSE_ERROR("Refused; not superuser"); 52 PAM_LOG("User is not superuser"); 53 54 PAM_RETURN(PAM_AUTH_ERR); 55 } 56 57 PAM_EXTERN int 58 pam_sm_setcred(pam_handle_t *pamh, int flags, int argc, const char **argv) 59 { 60 struct options options; 61 62 pam_std_option(&options, NULL, argc, argv); 63 64 PAM_LOG("Options processed"); 65 66 PAM_RETURN(PAM_SUCCESS); 67 } 68 69 PAM_MODULE_ENTRY("pam_rootok"); 70