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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/*
* Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* 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.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 THE INSTITUTE 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.
*/
#include "kafs_locl.h"
RCSID("$Id: afskrb5.c,v 1.13 1999/12/02 16:58:39 joda Exp $");
struct krb5_kafs_data {
krb5_context context;
krb5_ccache id;
krb5_const_realm realm;
};
static int
get_cred(kafs_data *data, const char *name, const char *inst,
const char *realm, CREDENTIALS *c)
{
krb5_error_code ret;
krb5_creds in_creds, *out_creds;
struct krb5_kafs_data *d = data->data;
memset(&in_creds, 0, sizeof(in_creds));
ret = krb5_425_conv_principal(d->context, name, inst, realm,
&in_creds.server);
if(ret)
return ret;
ret = krb5_cc_get_principal(d->context, d->id, &in_creds.client);
if(ret){
krb5_free_principal(d->context, in_creds.server);
return ret;
}
in_creds.session.keytype = KEYTYPE_DES;
ret = krb5_get_credentials(d->context, 0, d->id, &in_creds, &out_creds);
krb5_free_principal(d->context, in_creds.server);
krb5_free_principal(d->context, in_creds.client);
if(ret)
return ret;
ret = krb524_convert_creds_kdc(d->context, d->id, out_creds, c);
krb5_free_creds(d->context, out_creds);
return ret;
}
static krb5_error_code
afslog_uid_int(kafs_data *data, const char *cell, const char *rh, uid_t uid,
const char *homedir)
{
krb5_error_code ret;
CREDENTIALS c;
krb5_principal princ;
krb5_realm *trealm; /* ticket realm */
struct krb5_kafs_data *d = data->data;
if (cell == 0 || cell[0] == 0)
return _kafs_afslog_all_local_cells (data, uid, homedir);
ret = krb5_cc_get_principal (d->context, d->id, &princ);
if (ret)
return ret;
trealm = krb5_princ_realm (d->context, princ);
if (d->realm != NULL && strcmp (d->realm, *trealm) == 0) {
trealm = NULL;
krb5_free_principal (d->context, princ);
}
ret = _kafs_get_cred(data, cell, d->realm, *trealm, &c);
if(trealm)
krb5_free_principal (d->context, princ);
if(ret == 0)
ret = kafs_settoken(cell, uid, &c);
return ret;
}
static char *
get_realm(kafs_data *data, const char *host)
{
struct krb5_kafs_data *d = data->data;
krb5_realm *realms;
char *r;
if(krb5_get_host_realm(d->context, host, &realms))
return NULL;
r = strdup(realms[0]);
krb5_free_host_realm(d->context, realms);
return r;
}
krb5_error_code
krb5_afslog_uid_home(krb5_context context,
krb5_ccache id,
const char *cell,
krb5_const_realm realm,
uid_t uid,
const char *homedir)
{
kafs_data kd;
struct krb5_kafs_data d;
kd.afslog_uid = afslog_uid_int;
kd.get_cred = get_cred;
kd.get_realm = get_realm;
kd.data = &d;
d.context = context;
d.id = id;
d.realm = realm;
return afslog_uid_int(&kd, cell, 0, uid, homedir);
}
krb5_error_code
krb5_afslog_uid(krb5_context context,
krb5_ccache id,
const char *cell,
krb5_const_realm realm,
uid_t uid)
{
return krb5_afslog_uid_home (context, id, cell, realm, uid, NULL);
}
krb5_error_code
krb5_afslog(krb5_context context,
krb5_ccache id,
const char *cell,
krb5_const_realm realm)
{
return krb5_afslog_uid (context, id, cell, realm, getuid());
}
krb5_error_code
krb5_afslog_home(krb5_context context,
krb5_ccache id,
const char *cell,
krb5_const_realm realm,
const char *homedir)
{
return krb5_afslog_uid_home (context, id, cell, realm, getuid(), homedir);
}
/*
*
*/
krb5_error_code
krb5_realm_of_cell(const char *cell, char **realm)
{
kafs_data kd;
kd.get_realm = get_realm;
return _kafs_realm_of_cell(&kd, cell, realm);
}
|
