1 /* $NetBSD: default_config.c,v 1.1.1.2 2014/04/24 12:45:27 pettai Exp $ */
2
3 /*
4 * Copyright (c) 1997-2007 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 *
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * 3. Neither the name of the Institute nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 */
37
38 #include "kdc_locl.h"
39 #include <krb5/getarg.h>
40 #include <krb5/parse_bytes.h>
41
42 krb5_error_code
krb5_kdc_get_config(krb5_context context,krb5_kdc_configuration ** config)43 krb5_kdc_get_config(krb5_context context, krb5_kdc_configuration **config)
44 {
45 krb5_kdc_configuration *c;
46
47 c = calloc(1, sizeof(*c));
48 if (c == NULL) {
49 krb5_set_error_message(context, ENOMEM, "malloc: out of memory");
50 return ENOMEM;
51 }
52
53 c->require_preauth = TRUE;
54 c->kdc_warn_pwexpire = 0;
55 c->encode_as_rep_as_tgs_rep = FALSE;
56 c->tgt_use_strongest_session_key = FALSE;
57 c->preauth_use_strongest_session_key = FALSE;
58 c->svc_use_strongest_session_key = FALSE;
59 c->use_strongest_server_key = TRUE;
60 c->check_ticket_addresses = TRUE;
61 c->allow_null_ticket_addresses = TRUE;
62 c->allow_anonymous = FALSE;
63 c->trpolicy = TRPOLICY_ALWAYS_CHECK;
64 c->enable_pkinit = FALSE;
65 c->pkinit_princ_in_cert = TRUE;
66 c->pkinit_require_binding = TRUE;
67 c->db = NULL;
68 c->num_db = 0;
69 c->logf = NULL;
70
71 c->require_preauth =
72 krb5_config_get_bool_default(context, NULL,
73 c->require_preauth,
74 "kdc", "require-preauth", NULL);
75 #ifdef DIGEST
76 c->enable_digest =
77 krb5_config_get_bool_default(context, NULL,
78 FALSE,
79 "kdc", "enable-digest", NULL);
80
81 {
82 const char *digests;
83
84 digests = krb5_config_get_string(context, NULL,
85 "kdc",
86 "digests_allowed", NULL);
87 if (digests == NULL)
88 digests = "ntlm-v2";
89 c->digests_allowed = parse_flags(digests,_kdc_digestunits, 0);
90 if (c->digests_allowed == -1) {
91 kdc_log(context, c, 0,
92 "unparsable digest units (%s), turning off digest",
93 digests);
94 c->enable_digest = 0;
95 } else if (c->digests_allowed == 0) {
96 kdc_log(context, c, 0,
97 "no digest enable, turning digest off",
98 digests);
99 c->enable_digest = 0;
100 }
101 }
102 #endif
103
104 #ifdef KX509
105 c->enable_kx509 =
106 krb5_config_get_bool_default(context, NULL,
107 FALSE,
108 "kdc", "enable-kx509", NULL);
109
110 if (c->enable_kx509) {
111 c->kx509_template =
112 krb5_config_get_string(context, NULL,
113 "kdc", "kx509_template", NULL);
114 c->kx509_ca =
115 krb5_config_get_string(context, NULL,
116 "kdc", "kx509_ca", NULL);
117 if (c->kx509_ca == NULL || c->kx509_template == NULL) {
118 kdc_log(context, c, 0,
119 "missing kx509 configuration, turning off");
120 c->enable_kx509 = FALSE;
121 }
122 }
123 #endif
124
125 c->tgt_use_strongest_session_key =
126 krb5_config_get_bool_default(context, NULL,
127 c->tgt_use_strongest_session_key,
128 "kdc",
129 "tgt-use-strongest-session-key", NULL);
130 c->preauth_use_strongest_session_key =
131 krb5_config_get_bool_default(context, NULL,
132 c->preauth_use_strongest_session_key,
133 "kdc",
134 "preauth-use-strongest-session-key", NULL);
135 c->svc_use_strongest_session_key =
136 krb5_config_get_bool_default(context, NULL,
137 c->svc_use_strongest_session_key,
138 "kdc",
139 "svc-use-strongest-session-key", NULL);
140 c->use_strongest_server_key =
141 krb5_config_get_bool_default(context, NULL,
142 c->use_strongest_server_key,
143 "kdc",
144 "use-strongest-server-key", NULL);
145
146 c->check_ticket_addresses =
147 krb5_config_get_bool_default(context, NULL,
148 c->check_ticket_addresses,
149 "kdc",
150 "check-ticket-addresses", NULL);
151 c->allow_null_ticket_addresses =
152 krb5_config_get_bool_default(context, NULL,
153 c->allow_null_ticket_addresses,
154 "kdc",
155 "allow-null-ticket-addresses", NULL);
156
157 c->allow_anonymous =
158 krb5_config_get_bool_default(context, NULL,
159 c->allow_anonymous,
160 "kdc",
161 "allow-anonymous", NULL);
162
163 c->max_datagram_reply_length =
164 krb5_config_get_int_default(context,
165 NULL,
166 1400,
167 "kdc",
168 "max-kdc-datagram-reply-length",
169 NULL);
170
171 {
172 const char *trpolicy_str;
173
174 trpolicy_str =
175 krb5_config_get_string_default(context, NULL, "DEFAULT", "kdc",
176 "transited-policy", NULL);
177 if(strcasecmp(trpolicy_str, "always-check") == 0) {
178 c->trpolicy = TRPOLICY_ALWAYS_CHECK;
179 } else if(strcasecmp(trpolicy_str, "allow-per-principal") == 0) {
180 c->trpolicy = TRPOLICY_ALLOW_PER_PRINCIPAL;
181 } else if(strcasecmp(trpolicy_str, "always-honour-request") == 0) {
182 c->trpolicy = TRPOLICY_ALWAYS_HONOUR_REQUEST;
183 } else if(strcasecmp(trpolicy_str, "DEFAULT") == 0) {
184 /* default */
185 } else {
186 kdc_log(context, c, 0,
187 "unknown transited-policy: %s, "
188 "reverting to default (always-check)",
189 trpolicy_str);
190 }
191 }
192
193 c->encode_as_rep_as_tgs_rep =
194 krb5_config_get_bool_default(context, NULL,
195 c->encode_as_rep_as_tgs_rep,
196 "kdc",
197 "encode_as_rep_as_tgs_rep", NULL);
198
199 c->kdc_warn_pwexpire =
200 krb5_config_get_time_default (context, NULL,
201 c->kdc_warn_pwexpire,
202 "kdc", "kdc_warn_pwexpire", NULL);
203
204
205 c->enable_pkinit =
206 krb5_config_get_bool_default(context,
207 NULL,
208 c->enable_pkinit,
209 "kdc",
210 "enable-pkinit",
211 NULL);
212
213
214 c->pkinit_kdc_identity =
215 krb5_config_get_string(context, NULL,
216 "kdc", "pkinit_identity", NULL);
217 c->pkinit_kdc_anchors =
218 krb5_config_get_string(context, NULL,
219 "kdc", "pkinit_anchors", NULL);
220 c->pkinit_kdc_cert_pool =
221 krb5_config_get_strings(context, NULL,
222 "kdc", "pkinit_pool", NULL);
223 c->pkinit_kdc_revoke =
224 krb5_config_get_strings(context, NULL,
225 "kdc", "pkinit_revoke", NULL);
226 c->pkinit_kdc_ocsp_file =
227 krb5_config_get_string(context, NULL,
228 "kdc", "pkinit_kdc_ocsp", NULL);
229 c->pkinit_kdc_friendly_name =
230 krb5_config_get_string(context, NULL,
231 "kdc", "pkinit_kdc_friendly_name", NULL);
232 c->pkinit_princ_in_cert =
233 krb5_config_get_bool_default(context, NULL,
234 c->pkinit_princ_in_cert,
235 "kdc",
236 "pkinit_principal_in_certificate",
237 NULL);
238 c->pkinit_require_binding =
239 krb5_config_get_bool_default(context, NULL,
240 c->pkinit_require_binding,
241 "kdc",
242 "pkinit_win2k_require_binding",
243 NULL);
244 c->pkinit_dh_min_bits =
245 krb5_config_get_int_default(context, NULL,
246 0,
247 "kdc", "pkinit_dh_min_bits", NULL);
248
249 *config = c;
250
251 return 0;
252 }
253
254 krb5_error_code
krb5_kdc_pkinit_config(krb5_context context,krb5_kdc_configuration * config)255 krb5_kdc_pkinit_config(krb5_context context, krb5_kdc_configuration *config)
256 {
257 #ifdef PKINIT
258 #ifdef __APPLE__
259 config->enable_pkinit = 1;
260
261 if (config->pkinit_kdc_identity == NULL) {
262 if (config->pkinit_kdc_friendly_name == NULL)
263 config->pkinit_kdc_friendly_name =
264 strdup("O=System Identity,CN=com.apple.kerberos.kdc");
265 config->pkinit_kdc_identity = strdup("KEYCHAIN:");
266 }
267 if (config->pkinit_kdc_anchors == NULL)
268 config->pkinit_kdc_anchors = strdup("KEYCHAIN:");
269
270 #endif /* __APPLE__ */
271
272 if (config->enable_pkinit) {
273 if (config->pkinit_kdc_identity == NULL)
274 krb5_errx(context, 1, "pkinit enabled but no identity");
275
276 if (config->pkinit_kdc_anchors == NULL)
277 krb5_errx(context, 1, "pkinit enabled but no X509 anchors");
278
279 krb5_kdc_pk_initialize(context, config,
280 config->pkinit_kdc_identity,
281 config->pkinit_kdc_anchors,
282 config->pkinit_kdc_cert_pool,
283 config->pkinit_kdc_revoke);
284
285 }
286
287 return 0;
288 #endif /* PKINIT */
289 }
290