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
|
/*
** Copyright 1998 - 2004 Double Precision, Inc. See COPYING for
** distribution information.
*/
#if HAVE_CONFIG_H
#include "courier_auth_config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <pwd.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "auth.h"
#include "courierauthstaticlist.h"
#include "courierauthdebug.h"
struct callback_info {
const char *pass;
int (*callback_func)(struct authinfo *, void *);
void *callback_arg;
};
static int check_pw(struct authinfo *a, void *v)
{
struct callback_info *ci=(struct callback_info *)v;
int rc;
if (a->passwd == NULL)
{
DPRINTF("no password available to compare");
errno=EPERM;
return (-1);
}
if (authcheckpassword(ci->pass, a->passwd))
{
errno=EPERM;
return (-1);
}
a->clearpasswd=ci->pass;
rc=(*ci->callback_func)(a, ci->callback_arg);
a->clearpasswd=NULL;
return rc;
}
int auth_sys_common( int (*auth_pre_func)(const char *,
const char *,
int (*)(struct authinfo *,
void *),
void *),
const char *user,
const char *pass,
const char *service,
int (*callback_func)(struct authinfo *, void *),
void *callback_arg)
{
struct callback_info ci;
ci.pass=pass;
ci.callback_func=callback_func;
ci.callback_arg=callback_arg;
return (*auth_pre_func)(user, service, check_pw, &ci);
}
|
