source: openpam/trunk/lib/pam_set_item.c @ 200

Last change on this file since 200 was 200, checked in by Dag-Erling Smørgrav, 18 years ago

More debugging macros: ENTERI() (item type), ENTERN() (int),
ENTERS() (string). Rename RETURNI() to RETURNN() for consistency.

File size: 3.3 KB
RevLine 
[1]1/*-
[93]2 * Copyright (c) 2002 Networks Associates Technology, Inc.
[1]3 * All rights reserved.
4 *
5 * This software was developed for the FreeBSD Project by ThinkSec AS and
[157]6 * Network Associates Laboratories, the Security Research Division of
7 * Network Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
8 * ("CBOSS"), as part of the DARPA CHATS research program.
[1]9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote
19 *    products derived from this software without specific prior written
20 *    permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
[200]34 * $P4: //depot/projects/openpam/lib/pam_set_item.c#17 $
[1]35 */
36
37#include <sys/param.h>
38
39#include <stdlib.h>
40#include <string.h>
41
42#include <security/pam_appl.h>
43
[10]44#include "openpam_impl.h"
[1]45
46/*
47 * XSSO 4.2.1
48 * XSSO 6 page 60
49 *
50 * Set authentication information
51 */
52
53int
54pam_set_item(pam_handle_t *pamh,
55        int item_type,
56        const void *item)
57{
[17]58        void **slot, *tmp;
[164]59        size_t nsize, osize;
[1]60
[200]61        ENTERI(item_type);
[1]62        if (pamh == NULL)
[187]63                RETURNC(PAM_SYSTEM_ERR);
[17]64        slot = &pamh->item[item_type];
[1]65        switch (item_type) {
66        case PAM_SERVICE:
67        case PAM_USER:
68        case PAM_AUTHTOK:
69        case PAM_OLDAUTHTOK:
70        case PAM_TTY:
71        case PAM_RHOST:
72        case PAM_RUSER:
73        case PAM_USER_PROMPT:
[4]74        case PAM_AUTHTOK_PROMPT:
[100]75        case PAM_OLDAUTHTOK_PROMPT:
[164]76                if (item != NULL)
77                        nsize = strlen(item) + 1;
[48]78                if (*slot != NULL)
[164]79                        osize = strlen(*slot) + 1;
[1]80                break;
[164]81        case PAM_REPOSITORY:
82                osize = nsize = sizeof(struct pam_repository);
83                break;
[1]84        case PAM_CONV:
[164]85                osize = nsize = sizeof(struct pam_conv);
[1]86                break;
87        default:
[187]88                RETURNC(PAM_SYMBOL_ERR);
[1]89        }
[17]90        if (*slot != NULL) {
[164]91                memset(*slot, 0xd0, osize);
[17]92                free(*slot);
93        }
[164]94        if (item != NULL) {
95                if ((tmp = malloc(nsize)) == NULL)
[187]96                        RETURNC(PAM_BUF_ERR);
[164]97                memcpy(tmp, item, nsize);
98        } else {
99                tmp = NULL;
100        }
[17]101        *slot = tmp;
[187]102        RETURNC(PAM_SUCCESS);
[1]103}
[63]104
105/*
106 * Error codes:
107 *
108 *      PAM_SYMBOL_ERR
109 *      PAM_SYSTEM_ERR
110 *      PAM_BUF_ERR
111 */
112
113/**
114 * The =pam_set_item function sets the item specified by the =item_type
115 * argument to a copy of the object pointed to by the =item argument.
116 * The item is stored in the PAM context specified by the =pamh argument.
117 * See =pam_get_item for a list of recognized item types.
118 */
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