2 * Copyright (c) 1997-2003 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
36 #include <parse_bytes.h>
38 RCSID("$Id: config.c,v 1.46.2.2 2003/10/27 11:06:52 joda Exp $");
40 static const char *config_file
; /* location of kdc config file */
42 int require_preauth
= -1; /* 1 == require preauth for all principals */
44 size_t max_request
; /* maximal size of a request */
46 static char *max_request_str
; /* `max_request' as a string */
48 time_t kdc_warn_pwexpire
; /* time before expiration to print a warning */
50 struct dbinfo
*databases
;
57 int detach_from_console
= -1;
58 #define DETACH_IS_DEFAULT FALSE
62 krb5_boolean encode_as_rep_as_tgs_rep
; /* bug compatibility */
64 krb5_boolean check_ticket_addresses
;
65 krb5_boolean allow_null_ticket_addresses
;
66 krb5_boolean allow_anonymous
;
68 static const char *trpolicy_str
;
70 static struct getarg_strings addresses_str
; /* addresses to listen on */
71 krb5_addresses explicit_addresses
;
76 int enable_kaserver
= -1;
80 int enable_v4_cross_realm
= -1;
83 static int version_flag
;
85 static struct getargs args
[] = {
87 "config-file", 'c', arg_string
, &config_file
,
88 "location of config file", "file"
91 "require-preauth", 'p', arg_negative_flag
, &require_preauth
,
92 "don't require pa-data in as-reqs"
95 "max-request", 0, arg_string
, &max_request
,
96 "max size for a kdc-request", "size"
100 "database", 'd', arg_string
, &databases
,
101 "location of database", "database"
104 { "enable-http", 'H', arg_flag
, &enable_http
, "turn on HTTP support" },
105 { "524", 0, arg_negative_flag
, &enable_524
,
106 "don't respond to 524 requests"
110 "kaserver", 'K', arg_flag
, &enable_kaserver
,
111 "enable kaserver support"
113 { "kerberos4", 0, arg_flag
, &enable_v4
,
114 "respond to kerberos 4 requests"
117 "v4-realm", 'r', arg_string
, &v4_realm
,
118 "realm to serve v4-requests for"
121 { "kerberos4-cross-realm", 0, arg_flag
,
122 &enable_v4_cross_realm
,
123 "respond to kerberos 4 requests from foreign realms"
125 { "ports", 'P', arg_string
, &port_str
,
126 "ports to listen to", "portspec"
129 #if DETACH_IS_DEFAULT
131 "detach", 'D', arg_negative_flag
, &detach_from_console
,
132 "don't detach from console"
136 "detach", 0 , arg_flag
, &detach_from_console
,
137 "detach from console"
141 { "addresses", 0, arg_strings
, &addresses_str
,
142 "addresses to listen on", "list of addresses" },
143 { "help", 'h', arg_flag
, &help_flag
},
144 { "version", 'v', arg_flag
, &version_flag
}
147 static int num_args
= sizeof(args
) / sizeof(args
[0]);
152 arg_printusage (args
, num_args
, NULL
, "");
159 const krb5_config_binding
*top_binding
= NULL
;
160 const krb5_config_binding
*db_binding
;
161 const krb5_config_binding
*default_binding
= NULL
;
162 struct dbinfo
*di
, **dt
;
163 const char *default_dbname
= HDB_DEFAULT_DB
;
164 const char *default_mkey
= HDB_DB_DIR
"/m-key";
169 while((db_binding
= (const krb5_config_binding
*)
170 krb5_config_get_next(context
, NULL
, &top_binding
,
175 p
= krb5_config_get_string(context
, db_binding
, "realm", NULL
);
177 if(default_binding
) {
178 krb5_warnx(context
, "WARNING: more than one realm-less "
179 "database specification");
180 krb5_warnx(context
, "WARNING: using the first encountered");
182 default_binding
= db_binding
;
185 di
= calloc(1, sizeof(*di
));
186 di
->realm
= strdup(p
);
187 p
= krb5_config_get_string(context
, db_binding
, "dbname", NULL
);
189 di
->dbname
= strdup(p
);
190 p
= krb5_config_get_string(context
, db_binding
, "mkey_file", NULL
);
192 di
->mkey_file
= strdup(p
);
196 if(default_binding
) {
197 di
= calloc(1, sizeof(*di
));
198 p
= krb5_config_get_string(context
, default_binding
, "dbname", NULL
);
200 di
->dbname
= strdup(p
);
203 p
= krb5_config_get_string(context
, default_binding
, "mkey_file", NULL
);
205 di
->mkey_file
= strdup(p
);
210 } else if(databases
== NULL
) {
211 /* if there are none specified, use some default */
212 di
= calloc(1, sizeof(*di
));
213 di
->dbname
= strdup(default_dbname
);
214 di
->mkey_file
= strdup(default_mkey
);
218 for(di
= databases
; di
; di
= di
->next
) {
219 if(di
->dbname
== NULL
)
220 di
->dbname
= strdup(default_dbname
);
221 if(di
->mkey_file
== NULL
) {
222 p
= strrchr(di
->dbname
, '.');
223 if(p
== NULL
|| strchr(p
, '/') != NULL
)
224 /* final pathname component does not contain a . */
225 asprintf(&di
->mkey_file
, "%s.mkey", di
->dbname
);
227 /* the filename is something.else, replace .else with
229 asprintf(&di
->mkey_file
, "%.*s.mkey",
230 (int)(p
- di
->dbname
), di
->dbname
);
236 add_one_address (const char *str
, int first
)
241 ret
= krb5_parse_address (context
, str
, &tmp
);
243 krb5_err (context
, 1, ret
, "parse_address `%s'", str
);
245 krb5_copy_addresses(context
, &tmp
, &explicit_addresses
);
247 krb5_append_addresses(context
, &explicit_addresses
, &tmp
);
248 krb5_free_addresses (context
, &tmp
);
252 configure(int argc
, char **argv
)
258 while((e
= getarg(args
, num_args
, argc
, argv
, &optind
)))
259 warnx("error at argument `%s'", argv
[optind
]);
279 if(config_file
== NULL
)
280 config_file
= _PATH_KDC_CONF
;
281 asprintf(&tmp
, "%s:%s", config_file
, krb5_config_file
);
283 krb5_errx(context
, 1, "out of memory");
285 krb5_config_file
= tmp
;
287 ret
= krb5_get_default_config_files(&files
);
289 krb5_err(context
, 1, ret
, "reading configuration files");
290 ret
= krb5_set_config_files(context
, files
);
291 krb5_free_config_files(files
);
293 krb5_err(context
, 1, ret
, "reading configuration files");
299 max_request
= parse_bytes(max_request_str
, NULL
);
301 if(max_request
== 0){
302 p
= krb5_config_get_string (context
,
308 max_request
= parse_bytes(p
, NULL
);
311 if(require_preauth
== -1)
312 require_preauth
= krb5_config_get_bool(context
, NULL
, "kdc",
313 "require-preauth", NULL
);
315 if(port_str
== NULL
){
316 p
= krb5_config_get_string(context
, NULL
, "kdc", "ports", NULL
);
318 port_str
= strdup(p
);
321 explicit_addresses
.len
= 0;
323 if (addresses_str
.num_strings
) {
326 for (i
= 0; i
< addresses_str
.num_strings
; ++i
)
327 add_one_address (addresses_str
.strings
[i
], i
== 0);
328 free_getarg_strings (&addresses_str
);
330 char **foo
= krb5_config_get_strings (context
, NULL
,
331 "kdc", "addresses", NULL
);
334 add_one_address (*foo
++, TRUE
);
336 add_one_address (*foo
++, FALSE
);
342 enable_v4
= krb5_config_get_bool_default(context
, NULL
, FALSE
, "kdc",
343 "enable-kerberos4", NULL
);
347 if(enable_v4_cross_realm
== -1)
348 enable_v4_cross_realm
=
349 krb5_config_get_bool_default(context
, NULL
,
351 "enable-kerberos4-cross-realm",
354 enable_524
= krb5_config_get_bool_default(context
, NULL
, enable_v4
,
355 "kdc", "enable-524", NULL
);
357 if(enable_http
== -1)
358 enable_http
= krb5_config_get_bool(context
, NULL
, "kdc",
359 "enable-http", NULL
);
360 check_ticket_addresses
=
361 krb5_config_get_bool_default(context
, NULL
, TRUE
, "kdc",
362 "check-ticket-addresses", NULL
);
363 allow_null_ticket_addresses
=
364 krb5_config_get_bool_default(context
, NULL
, TRUE
, "kdc",
365 "allow-null-ticket-addresses", NULL
);
368 krb5_config_get_bool(context
, NULL
, "kdc",
369 "allow-anonymous", NULL
);
371 krb5_config_get_string_default(context
, NULL
, "always-check", "kdc",
372 "transited-policy", NULL
);
373 if(strcasecmp(trpolicy_str
, "always-check") == 0)
374 trpolicy
= TRPOLICY_ALWAYS_CHECK
;
375 else if(strcasecmp(trpolicy_str
, "allow-per-principal") == 0)
376 trpolicy
= TRPOLICY_ALLOW_PER_PRINCIPAL
;
377 else if(strcasecmp(trpolicy_str
, "always-honour-request") == 0)
378 trpolicy
= TRPOLICY_ALWAYS_HONOUR_REQUEST
;
380 kdc_log(0, "unknown transited-policy: %s, reverting to always-check",
382 trpolicy
= TRPOLICY_ALWAYS_CHECK
;
385 krb5_config_get_bool_default(context
, NULL
, TRUE
, "kdc",
386 "enforce-transited-policy", NULL
);
388 if(v4_realm
== NULL
){
389 p
= krb5_config_get_string (context
, NULL
,
394 v4_realm
= strdup(p
);
395 if (v4_realm
== NULL
)
396 krb5_errx(context
, 1, "out of memory");
399 if (enable_kaserver
== -1)
400 enable_kaserver
= krb5_config_get_bool_default(context
, NULL
, FALSE
,
406 encode_as_rep_as_tgs_rep
= krb5_config_get_bool(context
, NULL
, "kdc",
407 "encode_as_rep_as_tgs_rep",
410 kdc_warn_pwexpire
= krb5_config_get_time (context
, NULL
,
416 if(detach_from_console
== -1)
417 detach_from_console
= krb5_config_get_bool_default(context
, NULL
,
424 max_request
= 64 * 1024;
425 if(require_preauth
== -1)
427 if (port_str
== NULL
)
430 if(v4_realm
== NULL
){
431 v4_realm
= malloc(40); /* REALM_SZ */
432 if (v4_realm
== NULL
)
433 krb5_errx(context
, 1, "out of memory");
434 krb_get_lrealm(v4_realm
, 1);