source: heimdal/trunk/lib/kadm5/get_s.c

Last change on this file was 1, checked in by Paul Smedley, 10 years ago

Initial commit of Heimdal 1.5.3
File size: 9.6 KB
Line 
1/*
2 * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
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.
16 *
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.
20 *
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
31 * SUCH DAMAGE.
32 */
33
34#include "kadm5_locl.h"
35
36RCSID("$Id$");
37
38static kadm5_ret_t
39add_tl_data(kadm5_principal_ent_t ent, int16_t type,
40 const void *data, size_t size)
41{
42 krb5_tl_data *tl;
43
44 tl = calloc(1, sizeof(*tl));
45 if (tl == NULL)
46 return _kadm5_error_code(ENOMEM);
47
48 tl->tl_data_type = type;
49 tl->tl_data_length = size;
50 tl->tl_data_contents = malloc(size);
51 if (tl->tl_data_contents == NULL && size != 0) {
52 free(tl);
53 return _kadm5_error_code(ENOMEM);
54 }
55 memcpy(tl->tl_data_contents, data, size);
56
57 tl->tl_data_next = ent->tl_data;
58 ent->tl_data = tl;
59 ent->n_tl_data++;
60
61 return 0;
62}
63
64KRB5_LIB_FUNCTION krb5_ssize_t KRB5_LIB_CALL
65_krb5_put_int(void *buffer, unsigned long value, size_t size); /* XXX */
66
67kadm5_ret_t
68kadm5_s_get_principal(void *server_handle,
69 krb5_principal princ,
70 kadm5_principal_ent_t out,
71 uint32_t mask)
72{
73 kadm5_server_context *context = server_handle;
74 kadm5_ret_t ret;
75 hdb_entry_ex ent;
76
77 memset(&ent, 0, sizeof(ent));
78 ret = context->db->hdb_open(context->context, context->db, O_RDONLY, 0);
79 if(ret)
80 return ret;
81 ret = context->db->hdb_fetch_kvno(context->context, context->db, princ,
82 HDB_F_DECRYPT|HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
83 context->db->hdb_close(context->context, context->db);
84 if(ret)
85 return _kadm5_error_code(ret);
86
87 memset(out, 0, sizeof(*out));
88 if(mask & KADM5_PRINCIPAL)
89 ret = krb5_copy_principal(context->context, ent.entry.principal,
90 &out->principal);
91 if(ret)
92 goto out;
93 if(mask & KADM5_PRINC_EXPIRE_TIME && ent.entry.valid_end)
94 out->princ_expire_time = *ent.entry.valid_end;
95 if(mask & KADM5_PW_EXPIRATION && ent.entry.pw_end)
96 out->pw_expiration = *ent.entry.pw_end;
97 if(mask & KADM5_LAST_PWD_CHANGE)
98 hdb_entry_get_pw_change_time(&ent.entry, &out->last_pwd_change);
99 if(mask & KADM5_ATTRIBUTES){
100 out->attributes |= ent.entry.flags.postdate ? 0 : KRB5_KDB_DISALLOW_POSTDATED;
101 out->attributes |= ent.entry.flags.forwardable ? 0 : KRB5_KDB_DISALLOW_FORWARDABLE;
102 out->attributes |= ent.entry.flags.initial ? KRB5_KDB_DISALLOW_TGT_BASED : 0;
103 out->attributes |= ent.entry.flags.renewable ? 0 : KRB5_KDB_DISALLOW_RENEWABLE;
104 out->attributes |= ent.entry.flags.proxiable ? 0 : KRB5_KDB_DISALLOW_PROXIABLE;
105 out->attributes |= ent.entry.flags.invalid ? KRB5_KDB_DISALLOW_ALL_TIX : 0;
106 out->attributes |= ent.entry.flags.require_preauth ? KRB5_KDB_REQUIRES_PRE_AUTH : 0;
107 out->attributes |= ent.entry.flags.server ? 0 : KRB5_KDB_DISALLOW_SVR;
108 out->attributes |= ent.entry.flags.change_pw ? KRB5_KDB_PWCHANGE_SERVICE : 0;
109 out->attributes |= ent.entry.flags.ok_as_delegate ? KRB5_KDB_OK_AS_DELEGATE : 0;
110 out->attributes |= ent.entry.flags.trusted_for_delegation ? KRB5_KDB_TRUSTED_FOR_DELEGATION : 0;
111 out->attributes |= ent.entry.flags.allow_kerberos4 ? KRB5_KDB_ALLOW_KERBEROS4 : 0;
112 out->attributes |= ent.entry.flags.allow_digest ? KRB5_KDB_ALLOW_DIGEST : 0;
113 }
114 if(mask & KADM5_MAX_LIFE) {
115 if(ent.entry.max_life)
116 out->max_life = *ent.entry.max_life;
117 else
118 out->max_life = INT_MAX;
119 }
120 if(mask & KADM5_MOD_TIME) {
121 if(ent.entry.modified_by)
122 out->mod_date = ent.entry.modified_by->time;
123 else
124 out->mod_date = ent.entry.created_by.time;
125 }
126 if(mask & KADM5_MOD_NAME) {
127 if(ent.entry.modified_by) {
128 if (ent.entry.modified_by->principal != NULL)
129 ret = krb5_copy_principal(context->context,
130 ent.entry.modified_by->principal,
131 &out->mod_name);
132 } else if(ent.entry.created_by.principal != NULL)
133 ret = krb5_copy_principal(context->context,
134 ent.entry.created_by.principal,
135 &out->mod_name);
136 else
137 out->mod_name = NULL;
138 }
139 if(ret)
140 goto out;
141
142 if(mask & KADM5_KVNO)
143 out->kvno = ent.entry.kvno;
144 if(mask & KADM5_MKVNO) {
145 size_t n;
146 out->mkvno = 0; /* XXX */
147 for(n = 0; n < ent.entry.keys.len; n++)
148 if(ent.entry.keys.val[n].mkvno) {
149 out->mkvno = *ent.entry.keys.val[n].mkvno; /* XXX this isn't right */
150 break;
151 }
152 }
153#if 0 /* XXX implement */
154 if(mask & KADM5_AUX_ATTRIBUTES)
155 ;
156 if(mask & KADM5_LAST_SUCCESS)
157 ;
158 if(mask & KADM5_LAST_FAILED)
159 ;
160 if(mask & KADM5_FAIL_AUTH_COUNT)
161 ;
162#endif
163 if(mask & KADM5_POLICY)
164 out->policy = NULL;
165 if(mask & KADM5_MAX_RLIFE) {
166 if(ent.entry.max_renew)
167 out->max_renewable_life = *ent.entry.max_renew;
168 else
169 out->max_renewable_life = INT_MAX;
170 }
171 if(mask & KADM5_KEY_DATA){
172 size_t i;
173 Key *key;
174 krb5_key_data *kd;
175 krb5_salt salt;
176 krb5_data *sp;
177 krb5_get_pw_salt(context->context, ent.entry.principal, &salt);
178 out->key_data = malloc(ent.entry.keys.len * sizeof(*out->key_data));
179 if (out->key_data == NULL && ent.entry.keys.len != 0) {
180 ret = ENOMEM;
181 goto out;
182 }
183 for(i = 0; i < ent.entry.keys.len; i++){
184 key = &ent.entry.keys.val[i];
185 kd = &out->key_data[i];
186 kd->key_data_ver = 2;
187 kd->key_data_kvno = ent.entry.kvno;
188 kd->key_data_type[0] = key->key.keytype;
189 if(key->salt)
190 kd->key_data_type[1] = key->salt->type;
191 else
192 kd->key_data_type[1] = KRB5_PADATA_PW_SALT;
193 /* setup key */
194 kd->key_data_length[0] = key->key.keyvalue.length;
195 kd->key_data_contents[0] = malloc(kd->key_data_length[0]);
196 if(kd->key_data_contents[0] == NULL && kd->key_data_length[0] != 0){
197 ret = ENOMEM;
198 break;
199 }
200 memcpy(kd->key_data_contents[0], key->key.keyvalue.data,
201 kd->key_data_length[0]);
202 /* setup salt */
203 if(key->salt)
204 sp = &key->salt->salt;
205 else
206 sp = &salt.saltvalue;
207 kd->key_data_length[1] = sp->length;
208 kd->key_data_contents[1] = malloc(kd->key_data_length[1]);
209 if(kd->key_data_length[1] != 0
210 && kd->key_data_contents[1] == NULL) {
211 memset(kd->key_data_contents[0], 0, kd->key_data_length[0]);
212 ret = ENOMEM;
213 break;
214 }
215 memcpy(kd->key_data_contents[1], sp->data, kd->key_data_length[1]);
216 out->n_key_data = i + 1;
217 }
218 krb5_free_salt(context->context, salt);
219 }
220 if(ret){
221 kadm5_free_principal_ent(context, out);
222 goto out;
223 }
224 if(mask & KADM5_TL_DATA) {
225 time_t last_pw_expire;
226 const HDB_Ext_PKINIT_acl *acl;
227 const HDB_Ext_Aliases *aliases;
228
229 ret = hdb_entry_get_pw_change_time(&ent.entry, &last_pw_expire);
230 if (ret == 0 && last_pw_expire) {
231 unsigned char buf[4];
232 _krb5_put_int(buf, last_pw_expire, sizeof(buf));
233 ret = add_tl_data(out, KRB5_TL_LAST_PWD_CHANGE, buf, sizeof(buf));
234 }
235 if(ret){
236 kadm5_free_principal_ent(context, out);
237 goto out;
238 }
239 /*
240 * If the client was allowed to get key data, let it have the
241 * password too.
242 */
243 if(mask & KADM5_KEY_DATA) {
244 heim_utf8_string pw;
245
246 ret = hdb_entry_get_password(context->context,
247 context->db, &ent.entry, &pw);
248 if (ret == 0) {
249 ret = add_tl_data(out, KRB5_TL_PASSWORD, pw, strlen(pw) + 1);
250 free(pw);
251 }
252 krb5_clear_error_message(context->context);
253 }
254
255 ret = hdb_entry_get_pkinit_acl(&ent.entry, &acl);
256 if (ret == 0 && acl) {
257 krb5_data buf;
258 size_t len;
259
260 ASN1_MALLOC_ENCODE(HDB_Ext_PKINIT_acl, buf.data, buf.length,
261 acl, &len, ret);
262 if (ret) {
263 kadm5_free_principal_ent(context, out);
264 goto out;
265 }
266 if (len != buf.length)
267 krb5_abortx(context->context,
268 "internal ASN.1 encoder error");
269 ret = add_tl_data(out, KRB5_TL_PKINIT_ACL, buf.data, buf.length);
270 free(buf.data);
271 if (ret) {
272 kadm5_free_principal_ent(context, out);
273 goto out;
274 }
275 }
276 if(ret){
277 kadm5_free_principal_ent(context, out);
278 goto out;
279 }
280
281 ret = hdb_entry_get_aliases(&ent.entry, &aliases);
282 if (ret == 0 && aliases) {
283 krb5_data buf;
284 size_t len;
285
286 ASN1_MALLOC_ENCODE(HDB_Ext_Aliases, buf.data, buf.length,
287 aliases, &len, ret);
288 if (ret) {
289 kadm5_free_principal_ent(context, out);
290 goto out;
291 }
292 if (len != buf.length)
293 krb5_abortx(context->context,
294 "internal ASN.1 encoder error");
295 ret = add_tl_data(out, KRB5_TL_ALIASES, buf.data, buf.length);
296 free(buf.data);
297 if (ret) {
298 kadm5_free_principal_ent(context, out);
299 goto out;
300 }
301 }
302 if(ret){
303 kadm5_free_principal_ent(context, out);
304 goto out;
305 }
306
307 }
308out:
309 hdb_free_entry(context->context, &ent);
310
311 return _kadm5_error_code(ret);
312}
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