1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* Copyright (c) 1999
* Mark Murray. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY MARK MURRAY AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL MARK MURRAY OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char rcsid[] = "$FreeBSD$";
#endif /* LIBC_SCCS and not lint */
#include <string.h>
#include "crypt.h"
static const struct {
const char *const name;
char *(*const func)(const char *, const char *);
const char *const magic;
} crypt_types[] = {
#ifdef NONEXPORTABLE_CRYPT
{
"des",
crypt_des,
NULL
},
#endif
{
"md5",
crypt_md5,
"$1$"
},
{
NULL,
NULL
}
};
static int crypt_type = 0;
const char *
crypt_get_format(void) {
return (crypt_types[crypt_type].name);
}
int
crypt_set_format(char *type) {
int i;
for (i = 0; i < sizeof(crypt_types) / sizeof(crypt_types[0]) - 1; i++) {
if (strcmp(type, crypt_types[i].name) == 0) {
crypt_type = i;
return (1);
}
}
return (0);
}
char *
crypt(char *passwd, char *salt)
{
int i;
for (i = 0; i < sizeof(crypt_types) / sizeof(crypt_types[0]) - 1; i++) {
if (crypt_types[i].magic != NULL && strncmp(salt,
crypt_types[i].magic, strlen(crypt_types[i].magic)) == 0)
return (crypt_types[i].func(passwd, salt));
}
return (crypt_types[crypt_type].func(passwd, salt));
}
|
