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pam_set_item.c (91094) pam_set_item.c (91097)
1/*-
2 * Copyright (c) 2002 Networks Associates Technologies, Inc.
3 * All rights reserved.
4 *
5 * This software was developed for the FreeBSD Project by ThinkSec AS and
6 * NAI Labs, the Security Research Division of Network Associates, Inc.
7 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
8 * DARPA CHATS research program.
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 *
34 * $Id$
35 */
36
37#include <sys/param.h>
38
39#include <stdlib.h>
40#include <string.h>
41
42#include <security/pam_appl.h>
43
44#include "openpam_impl.h"
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{
58 void **slot, *tmp;
59 size_t size;
60
61 if (pamh == NULL)
62 return (PAM_SYSTEM_ERR);
63
64 slot = &pamh->item[item_type];
1/*-
2 * Copyright (c) 2002 Networks Associates Technologies, Inc.
3 * All rights reserved.
4 *
5 * This software was developed for the FreeBSD Project by ThinkSec AS and
6 * NAI Labs, the Security Research Division of Network Associates, Inc.
7 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
8 * DARPA CHATS research program.
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 *
34 * $Id$
35 */
36
37#include <sys/param.h>
38
39#include <stdlib.h>
40#include <string.h>
41
42#include <security/pam_appl.h>
43
44#include "openpam_impl.h"
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{
58 void **slot, *tmp;
59 size_t size;
60
61 if (pamh == NULL)
62 return (PAM_SYSTEM_ERR);
63
64 slot = &pamh->item[item_type];
65 tmp = NULL;
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:
74 case PAM_AUTHTOK_PROMPT:
66 switch (item_type) {
67 case PAM_SERVICE:
68 case PAM_USER:
69 case PAM_AUTHTOK:
70 case PAM_OLDAUTHTOK:
71 case PAM_TTY:
72 case PAM_RHOST:
73 case PAM_RUSER:
74 case PAM_USER_PROMPT:
75 case PAM_AUTHTOK_PROMPT:
75 size = strlen(*slot) + 1;
76 if (*slot != NULL)
77 size = strlen(*slot) + 1;
76 if (item != NULL)
78 if (item != NULL)
77 tmp = strdup(item);
79 if ((tmp = strdup(item)) == NULL)
80 return (PAM_BUF_ERR);
78 break;
79 case PAM_CONV:
80 size = sizeof(struct pam_conv);
81 break;
82 case PAM_CONV:
83 size = sizeof(struct pam_conv);
81 if (item != NULL)
82 tmp = malloc(size);
84 if (item != NULL) {
85 if ((tmp = malloc(size)) == NULL)
86 return (PAM_BUF_ERR);
87 memcpy(tmp, item, sizeof(struct pam_conv));
88 }
83 break;
84 default:
85 return (PAM_SYSTEM_ERR);
86 }
89 break;
90 default:
91 return (PAM_SYSTEM_ERR);
92 }
87 if (item != NULL && tmp == NULL)
88 return (PAM_BUF_ERR);
89 if (*slot != NULL) {
90 memset(*slot, 0xd0, size);
91 free(*slot);
92 }
93 *slot = tmp;
94 return (PAM_SUCCESS);
95}
93 if (*slot != NULL) {
94 memset(*slot, 0xd0, size);
95 free(*slot);
96 }
97 *slot = tmp;
98 return (PAM_SUCCESS);
99}