1 /* $NetBSD: pam_get_item.c,v 1.3 2017/05/06 19:50:09 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2002-2003 Networks Associates Technology, Inc. 5 * Copyright (c) 2004-2017 Dag-Erling Smørgrav 6 * All rights reserved. 7 * 8 * This software was developed for the FreeBSD Project by ThinkSec AS and 9 * Network Associates Laboratories, the Security Research Division of 10 * Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 11 * ("CBOSS"), as part of the DARPA CHATS research program. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. The name of the author may not be used to endorse or promote 22 * products derived from this software without specific prior written 23 * permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * $OpenPAM: pam_get_item.c 938 2017-04-30 21:34:42Z des $ 38 */ 39 40 #ifdef HAVE_CONFIG_H 41 # include "config.h" 42 #endif 43 44 #include <sys/cdefs.h> 45 __RCSID("$NetBSD: pam_get_item.c,v 1.3 2017/05/06 19:50:09 christos Exp $"); 46 47 #include <sys/param.h> 48 49 #include <security/pam_appl.h> 50 51 #include "openpam_impl.h" 52 53 /* 54 * XSSO 4.2.1 55 * XSSO 6 page 46 56 * 57 * Get PAM information 58 */ 59 60 int 61 pam_get_item(const pam_handle_t *pamh, 62 int item_type, 63 const void **item) 64 { 65 66 ENTERI(item_type); 67 switch (item_type) { 68 case PAM_SERVICE: 69 case PAM_USER: 70 case PAM_AUTHTOK: 71 case PAM_OLDAUTHTOK: 72 case PAM_TTY: 73 case PAM_RHOST: 74 case PAM_RUSER: 75 case PAM_CONV: 76 case PAM_USER_PROMPT: 77 case PAM_REPOSITORY: 78 case PAM_AUTHTOK_PROMPT: 79 case PAM_OLDAUTHTOK_PROMPT: 80 case PAM_HOST: 81 case PAM_SOCKADDR: 82 case PAM_NUSER: 83 *item = pamh->item[item_type]; 84 RETURNC(PAM_SUCCESS); 85 default: 86 RETURNC(PAM_BAD_ITEM); 87 } 88 } 89 90 /* 91 * Error codes: 92 * 93 * PAM_BAD_ITEM 94 */ 95 96 /** 97 * The =pam_get_item function stores a pointer to the item specified by 98 * the =item_type argument in the location pointed to by the =item 99 * argument. 100 * The item is retrieved from the PAM context specified by the =pamh 101 * argument. 102 * If =pam_get_item fails, the =item argument is untouched. 103 * 104 * The following item types are recognized: 105 * 106 * =PAM_SERVICE: 107 * The name of the requesting service. 108 * =PAM_USER: 109 * The name of the user the application is trying to 110 * authenticate. 111 * =PAM_TTY: 112 * The name of the current terminal. 113 * =PAM_RHOST: 114 * The name of the applicant's host. 115 * =PAM_CONV: 116 * A =struct pam_conv describing the current conversation 117 * function. 118 * =PAM_AUTHTOK: 119 * The current authentication token. 120 * =PAM_OLDAUTHTOK: 121 * The expired authentication token. 122 * =PAM_RUSER: 123 * The name of the applicant. 124 * =PAM_USER_PROMPT: 125 * The prompt to use when asking the applicant for a user 126 * name to authenticate as. 127 * =PAM_AUTHTOK_PROMPT: 128 * The prompt to use when asking the applicant for an 129 * authentication token. 130 * =PAM_OLDAUTHTOK_PROMPT: 131 * The prompt to use when asking the applicant for an 132 * expired authentication token prior to changing it. 133 * =PAM_HOST: 134 * The name of the host the application runs on. 135 * =PAM_SOCKADDR: 136 * The sockaddr_storage of the applicants's host. 137 * =PAM_NUSER: 138 * The "nested" user if this is a login on top of a previous one. 139 * 140 * See =pam_start for a description of =struct pam_conv. 141 * 142 * >pam_set_item 143 */ 144