| 1 | /*- |
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| 2 | * Copyright (c) 2002-2003 Networks Associates Technology, Inc. |
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| 3 | * Copyright (c) 2004-2011 Dag-Erling Smørgrav |
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| 4 | * All rights reserved. |
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| 5 | * |
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| 6 | * This software was developed for the FreeBSD Project by ThinkSec AS and |
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| 7 | * Network Associates Laboratories, the Security Research Division of |
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| 8 | * Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 |
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| 9 | * ("CBOSS"), as part of the DARPA CHATS research program. |
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| 10 | * |
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| 11 | * Redistribution and use in source and binary forms, with or without |
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| 12 | * modification, are permitted provided that the following conditions |
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| 13 | * are met: |
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| 14 | * 1. Redistributions of source code must retain the above copyright |
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| 15 | * notice, this list of conditions and the following disclaimer. |
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| 16 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 17 | * notice, this list of conditions and the following disclaimer in the |
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| 18 | * documentation and/or other materials provided with the distribution. |
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| 19 | * 3. The name of the author may not be used to endorse or promote |
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| 20 | * products derived from this software without specific prior written |
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| 21 | * permission. |
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| 22 | * |
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| 23 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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| 24 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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| 27 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 28 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 29 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 30 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 31 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 32 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 33 | * SUCH DAMAGE. |
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| 34 | * |
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| 35 | * $Id: pam_set_item.c 443 2011-10-22 01:01:39Z des $ |
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| 36 | */ |
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| 37 | |
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| 38 | #ifdef HAVE_CONFIG_H |
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| 39 | # include "config.h" |
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| 40 | #endif |
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| 41 | |
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| 42 | #include <sys/param.h> |
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| 43 | |
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| 44 | #include <stdlib.h> |
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| 45 | #include <string.h> |
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| 46 | |
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| 47 | #include <security/pam_appl.h> |
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| 48 | |
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| 49 | #include "openpam_impl.h" |
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| 50 | |
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| 51 | /* |
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| 52 | * XSSO 4.2.1 |
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| 53 | * XSSO 6 page 60 |
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| 54 | * |
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| 55 | * Set authentication information |
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| 56 | */ |
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| 57 | |
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| 58 | int |
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| 59 | pam_set_item(pam_handle_t *pamh, |
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| 60 | int item_type, |
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| 61 | const void *item) |
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| 62 | { |
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| 63 | void **slot, *tmp; |
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| 64 | size_t nsize, osize; |
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| 65 | |
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| 66 | ENTERI(item_type); |
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| 67 | if (pamh == NULL) |
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| 68 | RETURNC(PAM_SYSTEM_ERR); |
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| 69 | slot = &pamh->item[item_type]; |
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| 70 | osize = nsize = 0; |
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| 71 | switch (item_type) { |
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| 72 | case PAM_SERVICE: |
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| 73 | case PAM_USER: |
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| 74 | case PAM_AUTHTOK: |
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| 75 | case PAM_OLDAUTHTOK: |
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| 76 | case PAM_TTY: |
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| 77 | case PAM_RHOST: |
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| 78 | case PAM_RUSER: |
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| 79 | case PAM_USER_PROMPT: |
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| 80 | case PAM_AUTHTOK_PROMPT: |
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| 81 | case PAM_OLDAUTHTOK_PROMPT: |
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| 82 | case PAM_HOST: |
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| 83 | if (*slot != NULL) |
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| 84 | osize = strlen(*slot) + 1; |
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| 85 | if (item != NULL) |
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| 86 | nsize = strlen(item) + 1; |
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| 87 | break; |
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| 88 | case PAM_REPOSITORY: |
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| 89 | osize = nsize = sizeof(struct pam_repository); |
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| 90 | break; |
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| 91 | case PAM_CONV: |
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| 92 | osize = nsize = sizeof(struct pam_conv); |
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| 93 | break; |
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| 94 | default: |
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| 95 | RETURNC(PAM_SYMBOL_ERR); |
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| 96 | } |
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| 97 | if (*slot != NULL) { |
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| 98 | memset(*slot, 0xd0, osize); |
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| 99 | FREE(*slot); |
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| 100 | } |
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| 101 | if (item != NULL) { |
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| 102 | if ((tmp = malloc(nsize)) == NULL) |
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| 103 | RETURNC(PAM_BUF_ERR); |
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| 104 | memcpy(tmp, item, nsize); |
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| 105 | } else { |
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| 106 | tmp = NULL; |
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| 107 | } |
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| 108 | *slot = tmp; |
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| 109 | RETURNC(PAM_SUCCESS); |
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| 110 | } |
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| 111 | |
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| 112 | /* |
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| 113 | * Error codes: |
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| 114 | * |
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| 115 | * PAM_SYMBOL_ERR |
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| 116 | * PAM_SYSTEM_ERR |
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| 117 | * PAM_BUF_ERR |
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| 118 | */ |
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| 119 | |
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| 120 | /** |
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| 121 | * The =pam_set_item function sets the item specified by the =item_type |
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| 122 | * argument to a copy of the object pointed to by the =item argument. |
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| 123 | * The item is stored in the PAM context specified by the =pamh argument. |
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| 124 | * See =pam_get_item for a list of recognized item types. |
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| 125 | */ |
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