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
|
/* This file is part of the Project Athena Zephyr Notification System.
* It contains source for the ZMakeAuthentication function.
*
* Created by: Robert French
*
* $Source$
* $Author$
*
* Copyright (c) 1987 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
/* $Id$ */
#ifndef lint
static char rcsid_ZMakeAuthentication_c[] = "$Id$";
#endif lint
#include <zephyr/mit-copyright.h>
#include <zephyr/zephyr_internal.h>
#ifdef KERBEROS
#include "krb_err.h"
static long last_authent_time = 0L;
static KTEXT_ST last_authent;
#endif
Code_t ZResetAuthentication () {
#ifdef KERBEROS
last_authent_time = 0L;
#endif
return ZERR_NONE;
}
Code_t ZMakeAuthentication(notice, buffer, buffer_len, len)
ZNotice_t *notice;
char *buffer;
int buffer_len;
int *len;
{
#ifdef KERBEROS
int retval, result;
long now,time();
KTEXT_ST authent;
now = time(0);
if (last_authent_time == 0 || (now - last_authent_time > 120)) {
result = krb_mk_req(&authent, SERVER_SERVICE,
SERVER_INSTANCE, __Zephyr_realm, 0);
if (result != MK_AP_OK) {
last_authent_time = 0;
return (result+krb_err_base);
}
last_authent_time = now;
last_authent = authent;
}
else {
authent = last_authent;
}
notice->z_auth = 1;
notice->z_authent_len = authent.length;
notice->z_ascii_authent = (char *)malloc((unsigned)authent.length*3);
if (!notice->z_ascii_authent)
return (ENOMEM);
if ((retval = ZMakeAscii(notice->z_ascii_authent,
authent.length*3,
authent.dat,
authent.length)) != ZERR_NONE) {
free(notice->z_ascii_authent);
return (retval);
}
retval = Z_FormatRawHeader(notice, buffer, buffer_len, len, (char **) 0);
free(notice->z_ascii_authent);
notice->z_authent_len = 0;
return (retval);
#else
notice->z_auth = 1;
notice->z_authent_len = 0;
notice->z_ascii_authent = "";
return (Z_FormatRawHeader(notice, buffer, buffer_len, len, (char **) 0));
#endif
}
|
