2 * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include <krb5_locl.h>
35 #include "kadm5_locl.h"
41 add_tl_data(kadm5_principal_ent_t ent
, int16_t type
,
42 const void *data
, size_t size
)
46 tl
= calloc(1, sizeof(*tl
));
48 return _kadm5_error_code(ENOMEM
);
50 tl
->tl_data_type
= type
;
51 tl
->tl_data_length
= size
;
52 tl
->tl_data_contents
= malloc(size
);
53 if (tl
->tl_data_contents
== NULL
&& size
!= 0) {
55 return _kadm5_error_code(ENOMEM
);
57 memcpy(tl
->tl_data_contents
, data
, size
);
59 tl
->tl_data_next
= ent
->tl_data
;
68 copy_keyset_to_kadm5(kadm5_server_context
*context
, krb5_kvno kvno
,
69 size_t n_keys
, Key
*keys
, krb5_salt
*salt
,
70 kadm5_principal_ent_t out
)
76 krb5_error_code ret
= 0;
78 for (i
= 0; i
< n_keys
; i
++) {
80 kd
= &out
->key_data
[out
->n_key_data
];
82 kd
->key_data_kvno
= kvno
;
83 kd
->key_data_type
[0] = key
->key
.keytype
;
85 kd
->key_data_type
[1] = key
->salt
->type
;
87 kd
->key_data_type
[1] = KRB5_PADATA_PW_SALT
;
89 kd
->key_data_length
[0] = key
->key
.keyvalue
.length
;
90 kd
->key_data_contents
[0] = malloc(kd
->key_data_length
[0]);
91 if(kd
->key_data_contents
[0] == NULL
&& kd
->key_data_length
[0] != 0){
95 memcpy(kd
->key_data_contents
[0], key
->key
.keyvalue
.data
,
96 kd
->key_data_length
[0]);
99 sp
= &key
->salt
->salt
;
101 sp
= &salt
->saltvalue
;
102 kd
->key_data_length
[1] = sp
->length
;
103 kd
->key_data_contents
[1] = malloc(kd
->key_data_length
[1]);
104 if(kd
->key_data_length
[1] != 0
105 && kd
->key_data_contents
[1] == NULL
) {
106 memset(kd
->key_data_contents
[0], 0, kd
->key_data_length
[0]);
110 memcpy(kd
->key_data_contents
[1], sp
->data
, kd
->key_data_length
[1]);
118 kadm5_s_get_principal(void *server_handle
,
119 krb5_principal princ
,
120 kadm5_principal_ent_t out
,
123 kadm5_server_context
*context
= server_handle
;
128 memset(&ent
, 0, sizeof(ent
));
129 memset(out
, 0, sizeof(*out
));
131 if (!context
->keep_open
) {
132 ret
= context
->db
->hdb_open(context
->context
, context
->db
, O_RDWR
, 0);
133 if (ret
== EPERM
|| ret
== EACCES
) {
134 ret
= context
->db
->hdb_open(context
->context
, context
->db
, O_RDONLY
, 0);
142 * Attempt to recover the log. This will generally fail on slaves,
143 * and we can't tell if we're on a slave here.
145 * Perhaps we could set a flag in the kadm5_server_context to
146 * indicate whether a read has been done without recovering the log,
147 * in which case we could fail any subsequent writes.
149 if (hdb_is_rw
&& kadm5_log_init_nb(context
) == 0)
150 (void) kadm5_log_end(context
);
152 ret
= context
->db
->hdb_fetch_kvno(context
->context
, context
->db
, princ
,
153 HDB_F_DECRYPT
|HDB_F_ALL_KVNOS
|
154 HDB_F_GET_ANY
|HDB_F_ADMIN_DATA
, 0, &ent
);
156 if (!context
->keep_open
)
157 context
->db
->hdb_close(context
->context
, context
->db
);
159 return _kadm5_error_code(ret
);
161 if(mask
& KADM5_PRINCIPAL
)
162 ret
= krb5_copy_principal(context
->context
, ent
.entry
.principal
,
166 if(mask
& KADM5_PRINC_EXPIRE_TIME
&& ent
.entry
.valid_end
)
167 out
->princ_expire_time
= *ent
.entry
.valid_end
;
168 if(mask
& KADM5_PW_EXPIRATION
&& ent
.entry
.pw_end
)
169 out
->pw_expiration
= *ent
.entry
.pw_end
;
170 if(mask
& KADM5_LAST_PWD_CHANGE
)
171 hdb_entry_get_pw_change_time(&ent
.entry
, &out
->last_pwd_change
);
172 if(mask
& KADM5_ATTRIBUTES
){
173 out
->attributes
|= ent
.entry
.flags
.postdate
? 0 : KRB5_KDB_DISALLOW_POSTDATED
;
174 out
->attributes
|= ent
.entry
.flags
.forwardable
? 0 : KRB5_KDB_DISALLOW_FORWARDABLE
;
175 out
->attributes
|= ent
.entry
.flags
.initial
? KRB5_KDB_DISALLOW_TGT_BASED
: 0;
176 out
->attributes
|= ent
.entry
.flags
.renewable
? 0 : KRB5_KDB_DISALLOW_RENEWABLE
;
177 out
->attributes
|= ent
.entry
.flags
.proxiable
? 0 : KRB5_KDB_DISALLOW_PROXIABLE
;
178 out
->attributes
|= ent
.entry
.flags
.invalid
? KRB5_KDB_DISALLOW_ALL_TIX
: 0;
179 out
->attributes
|= ent
.entry
.flags
.require_preauth
? KRB5_KDB_REQUIRES_PRE_AUTH
: 0;
180 out
->attributes
|= ent
.entry
.flags
.require_pwchange
? KRB5_KDB_REQUIRES_PWCHANGE
: 0;
181 out
->attributes
|= ent
.entry
.flags
.server
? 0 : KRB5_KDB_DISALLOW_SVR
;
182 out
->attributes
|= ent
.entry
.flags
.change_pw
? KRB5_KDB_PWCHANGE_SERVICE
: 0;
183 out
->attributes
|= ent
.entry
.flags
.ok_as_delegate
? KRB5_KDB_OK_AS_DELEGATE
: 0;
184 out
->attributes
|= ent
.entry
.flags
.trusted_for_delegation
? KRB5_KDB_TRUSTED_FOR_DELEGATION
: 0;
185 out
->attributes
|= ent
.entry
.flags
.allow_kerberos4
? KRB5_KDB_ALLOW_KERBEROS4
: 0;
186 out
->attributes
|= ent
.entry
.flags
.allow_digest
? KRB5_KDB_ALLOW_DIGEST
: 0;
188 if(mask
& KADM5_MAX_LIFE
) {
189 if(ent
.entry
.max_life
)
190 out
->max_life
= *ent
.entry
.max_life
;
192 out
->max_life
= INT_MAX
;
194 if(mask
& KADM5_MOD_TIME
) {
195 if(ent
.entry
.modified_by
)
196 out
->mod_date
= ent
.entry
.modified_by
->time
;
198 out
->mod_date
= ent
.entry
.created_by
.time
;
200 if(mask
& KADM5_MOD_NAME
) {
201 if(ent
.entry
.modified_by
) {
202 if (ent
.entry
.modified_by
->principal
!= NULL
)
203 ret
= krb5_copy_principal(context
->context
,
204 ent
.entry
.modified_by
->principal
,
206 } else if(ent
.entry
.created_by
.principal
!= NULL
)
207 ret
= krb5_copy_principal(context
->context
,
208 ent
.entry
.created_by
.principal
,
211 out
->mod_name
= NULL
;
216 if(mask
& KADM5_KVNO
)
217 out
->kvno
= ent
.entry
.kvno
;
218 if(mask
& KADM5_MKVNO
) {
220 out
->mkvno
= 0; /* XXX */
221 for(n
= 0; n
< ent
.entry
.keys
.len
; n
++)
222 if(ent
.entry
.keys
.val
[n
].mkvno
) {
223 out
->mkvno
= *ent
.entry
.keys
.val
[n
].mkvno
; /* XXX this isn't right */
227 #if 0 /* XXX implement */
228 if(mask
& KADM5_AUX_ATTRIBUTES
)
230 if(mask
& KADM5_LAST_SUCCESS
)
232 if(mask
& KADM5_LAST_FAILED
)
234 if(mask
& KADM5_FAIL_AUTH_COUNT
)
237 if(mask
& KADM5_POLICY
) {
240 ext
= hdb_find_extension(&ent
.entry
, choice_HDB_extension_data_policy
);
242 out
->policy
= strdup("default");
243 /* It's OK if we retun NULL instead of "default" */
245 out
->policy
= strdup(ext
->data
.u
.policy
);
246 if (out
->policy
== NULL
) {
252 if(mask
& KADM5_MAX_RLIFE
) {
253 if(ent
.entry
.max_renew
)
254 out
->max_renewable_life
= *ent
.entry
.max_renew
;
256 out
->max_renewable_life
= INT_MAX
;
258 if(mask
& KADM5_KEY_DATA
){
260 size_t n_keys
= ent
.entry
.keys
.len
;
263 HDB_Ext_KeySet
*hist_keys
= NULL
;
265 /* Don't return stale keys to kadm5 clients */
266 ret
= hdb_prune_keys(context
->context
, &ent
.entry
);
269 ext
= hdb_find_extension(&ent
.entry
, choice_HDB_extension_data_hist_keys
);
271 hist_keys
= &ext
->data
.u
.hist_keys
;
273 krb5_get_pw_salt(context
->context
, ent
.entry
.principal
, &salt
);
274 for (i
= 0; hist_keys
!= NULL
&& i
< hist_keys
->len
; i
++)
275 n_keys
+= hist_keys
->val
[i
].keys
.len
;
276 out
->key_data
= malloc(n_keys
* sizeof(*out
->key_data
));
277 if (out
->key_data
== NULL
&& n_keys
!= 0) {
282 ret
= copy_keyset_to_kadm5(context
, ent
.entry
.kvno
, ent
.entry
.keys
.len
,
283 ent
.entry
.keys
.val
, &salt
, out
);
286 for (i
= 0; hist_keys
!= NULL
&& i
< hist_keys
->len
; i
++) {
287 ret
= copy_keyset_to_kadm5(context
, hist_keys
->val
[i
].kvno
,
288 hist_keys
->val
[i
].keys
.len
,
289 hist_keys
->val
[i
].keys
.val
,
294 krb5_free_salt(context
->context
, salt
);
295 assert( out
->n_key_data
== n_keys
);
299 if(mask
& KADM5_TL_DATA
) {
300 time_t last_pw_expire
;
301 const HDB_Ext_PKINIT_acl
*acl
;
302 const HDB_Ext_Aliases
*aliases
;
304 ret
= hdb_entry_get_pw_change_time(&ent
.entry
, &last_pw_expire
);
305 if (ret
== 0 && last_pw_expire
) {
306 unsigned char buf
[4];
307 _krb5_put_int(buf
, last_pw_expire
, sizeof(buf
));
308 ret
= add_tl_data(out
, KRB5_TL_LAST_PWD_CHANGE
, buf
, sizeof(buf
));
313 * If the client was allowed to get key data, let it have the
316 if (mask
& KADM5_KEY_DATA
) {
319 ret
= hdb_entry_get_password(context
->context
,
320 context
->db
, &ent
.entry
, &pw
);
322 ret
= add_tl_data(out
, KRB5_TL_PASSWORD
, pw
, strlen(pw
) + 1);
325 krb5_clear_error_message(context
->context
);
328 ret
= hdb_entry_get_pkinit_acl(&ent
.entry
, &acl
);
329 if (ret
== 0 && acl
) {
333 ASN1_MALLOC_ENCODE(HDB_Ext_PKINIT_acl
, buf
.data
, buf
.length
,
337 if (len
!= buf
.length
)
338 krb5_abortx(context
->context
,
339 "internal ASN.1 encoder error");
340 ret
= add_tl_data(out
, KRB5_TL_PKINIT_ACL
, buf
.data
, buf
.length
);
348 ret
= hdb_entry_get_aliases(&ent
.entry
, &aliases
);
349 if (ret
== 0 && aliases
) {
353 ASN1_MALLOC_ENCODE(HDB_Ext_Aliases
, buf
.data
, buf
.length
,
357 if (len
!= buf
.length
)
358 krb5_abortx(context
->context
,
359 "internal ASN.1 encoder error");
360 ret
= add_tl_data(out
, KRB5_TL_ALIASES
, buf
.data
, buf
.length
);
371 kadm5_free_principal_ent(context
, out
);
372 hdb_free_entry(context
->context
, &ent
);
374 return _kadm5_error_code(ret
);