1/*- 2 * Copyright (c) 2002-2003 Networks Associates Technology, Inc. 3 * Copyright (c) 2004-2007 Dag-Erling Smørgrav 4 * All rights reserved. 5 * 6 * This software was developed for the FreeBSD Project by ThinkSec AS and 7 * Network Associates Laboratories, the Security Research Division of 8 * Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 9 * ("CBOSS"), as part of the DARPA CHATS research program. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote 20 * products derived from this software without specific prior written 21 * permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * $Id: pam_set_item.c 408 2007-12-21 11:36:24Z des $ 36 */ 37 38#include <sys/param.h> 39 40#include <stdlib.h> 41#include <string.h> 42 43#include <security/pam_appl.h> 44 45#include "openpam_impl.h" 46 47/* 48 * XSSO 4.2.1 49 * XSSO 6 page 60 50 * 51 * Set authentication information 52 */ 53 54int 55pam_set_item(pam_handle_t *pamh, 56 int item_type, 57 const void *item) 58{ 59 void **slot, *tmp; 60 size_t nsize, osize; 61 62 ENTERI(item_type); 63 if (pamh == NULL) 64 RETURNC(PAM_SYSTEM_ERR); 65 slot = &pamh->item[item_type]; 66 osize = nsize = 0; 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_USER_PROMPT: 76 case PAM_AUTHTOK_PROMPT: 77 case PAM_OLDAUTHTOK_PROMPT: 78 if (*slot != NULL) 79 osize = strlen(*slot) + 1; 80 if (item != NULL) 81 nsize = strlen(item) + 1; 82 break; 83 case PAM_REPOSITORY: 84 osize = nsize = sizeof(struct pam_repository); 85 break; 86 case PAM_CONV: 87 osize = nsize = sizeof(struct pam_conv); 88 break; 89 default: 90 RETURNC(PAM_SYMBOL_ERR); 91 } 92 if (*slot != NULL) { 93 memset(*slot, 0xd0, osize); 94 FREE(*slot); 95 } 96 if (item != NULL) { 97 if ((tmp = malloc(nsize)) == NULL) 98 RETURNC(PAM_BUF_ERR); 99 memcpy(tmp, item, nsize); 100 } else { 101 tmp = NULL; 102 } 103 *slot = tmp; 104 RETURNC(PAM_SUCCESS); 105} 106 107/* 108 * Error codes: 109 * 110 * PAM_SYMBOL_ERR 111 * PAM_SYSTEM_ERR 112 * PAM_BUF_ERR 113 */ 114 115/** 116 * The =pam_set_item function sets the item specified by the =item_type 117 * argument to a copy of the object pointed to by the =item argument. 118 * The item is stored in the PAM context specified by the =pamh argument. 119 * See =pam_get_item for a list of recognized item types. 120 */ 121