1 /*- 2 * Copyright (c) 2001 Mark R V Murray 3 * All rights reserved. 4 * Copyright (c) 2001 Networks Associates Technologies, Inc. 5 * All rights reserved. 6 * 7 * Portions of this software were developed for the FreeBSD Project by 8 * ThinkSec AS and NAI Labs, the Security Research Division of Network 9 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 10 * ("CBOSS"), as part of the DARPA CHATS research program. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. The name of the author may not be used to endorse or promote 21 * products derived from this software without specific prior written 22 * permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #include <sys/cdefs.h> 38 __FBSDID("$FreeBSD$"); 39 40 #define _BSD_SOURCE 41 42 #include <unistd.h> 43 #include <syslog.h> 44 45 #define PAM_SM_AUTH 46 #define PAM_SM_ACCOUNT 47 #define PAM_SM_SESSION 48 #define PAM_SM_PASSWORD 49 50 #include <security/pam_appl.h> 51 #include <security/pam_modules.h> 52 #include <security/pam_mod_misc.h> 53 54 PAM_EXTERN int 55 pam_sm_authenticate(pam_handle_t *pamh, int flags __unused, int argc, const char **argv) 56 { 57 struct options options; 58 59 pam_std_option(&options, NULL, argc, argv); 60 61 PAM_LOG("Options processed"); 62 63 if (getuid() == 0) 64 PAM_RETURN(PAM_SUCCESS); 65 66 PAM_VERBOSE_ERROR("Refused; not superuser"); 67 PAM_LOG("User is not superuser"); 68 69 PAM_RETURN(PAM_AUTH_ERR); 70 } 71 72 PAM_EXTERN int 73 pam_sm_setcred(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv) 74 { 75 struct options options; 76 77 pam_std_option(&options, NULL, argc, argv); 78 79 PAM_LOG("Options processed"); 80 81 PAM_RETURN(PAM_SUCCESS); 82 } 83 84 PAM_EXTERN int 85 pam_sm_acct_mgmt(pam_handle_t *pamh __unused, int flags __unused, int argc ,const char **argv) 86 { 87 struct options options; 88 89 pam_std_option(&options, NULL, argc, argv); 90 91 PAM_LOG("Options processed"); 92 93 PAM_RETURN(PAM_IGNORE); 94 } 95 96 PAM_EXTERN int 97 pam_sm_chauthtok(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv) 98 { 99 struct options options; 100 101 pam_std_option(&options, NULL, argc, argv); 102 103 PAM_LOG("Options processed"); 104 105 PAM_RETURN(PAM_IGNORE); 106 } 107 108 PAM_EXTERN int 109 pam_sm_open_session(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv) 110 { 111 struct options options; 112 113 pam_std_option(&options, NULL, argc, argv); 114 115 PAM_LOG("Options processed"); 116 117 PAM_RETURN(PAM_IGNORE); 118 } 119 120 PAM_EXTERN int 121 pam_sm_close_session(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv) 122 { 123 struct options options; 124 125 pam_std_option(&options, NULL, argc, argv); 126 127 PAM_LOG("Options processed"); 128 129 PAM_RETURN(PAM_IGNORE); 130 } 131 132 PAM_MODULE_ENTRY("pam_rootok"); 133