2 * Copyright (c) 1997-2007 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the Institute nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 #include <parse_bytes.h>
47 static char *config_file
; /* location of kdc config file */
49 static int require_preauth
= -1; /* 1 == require preauth for all principals */
50 static char *max_request_str
; /* `max_request' as a string */
52 static int disable_des
= -1;
54 static int builtin_hdb_flag
;
56 static int version_flag
;
58 /* Should we enable the HTTP hack? */
61 /* Log over requests to the KDC */
62 const char *request_log
;
64 /* A string describing on what ports to listen */
67 krb5_addresses explicit_addresses
;
69 size_t max_request_udp
;
70 size_t max_request_tcp
;
73 static struct getarg_strings addresses_str
; /* addresses to listen on */
79 static struct getargs args
[] = {
81 "config-file", 'c', arg_string
, &config_file
,
82 "location of config file", "file"
85 "require-preauth", 'p', arg_negative_flag
, &require_preauth
,
86 "don't require pa-data in as-reqs", NULL
89 "max-request", 0, arg_string
, &max_request_str
,
90 "max size for a kdc-request", "size"
92 { "enable-http", 'H', arg_flag
, &enable_http
, "turn on HTTP support",
94 { "ports", 'P', arg_string
, rk_UNCONST(&port_str
),
95 "ports to listen to", "portspec"
98 "detach", 0 , arg_flag
, &detach_from_console
,
99 "detach from console", NULL
102 "daemon-child", 0 , arg_flag
, &daemon_child
,
103 "private argument, do not use", NULL
107 "bonjour", 0 , arg_flag
, &do_bonjour
,
108 "private argument, do not use", NULL
111 { "addresses", 0, arg_strings
, &addresses_str
,
112 "addresses to listen on", "list of addresses" },
113 { "disable-des", 0, arg_flag
, &disable_des
,
114 "disable DES", NULL
},
115 { "builtin-hdb", 0, arg_flag
, &builtin_hdb_flag
,
116 "list builtin hdb backends", NULL
},
117 { "runas-user", 0, arg_string
, &runas_string
,
118 "run as this user when connected to network", NULL
120 { "chroot", 0, arg_string
, &chroot_string
,
121 "chroot directory to run in", NULL
123 { "help", 'h', arg_flag
, &help_flag
, NULL
, NULL
},
124 { "version", 'v', arg_flag
, &version_flag
, NULL
, NULL
}
127 static int num_args
= sizeof(args
) / sizeof(args
[0]);
132 arg_printusage (args
, num_args
, NULL
, "");
137 add_one_address (krb5_context context
, const char *str
, int first
)
142 ret
= krb5_parse_address (context
, str
, &tmp
);
144 krb5_err (context
, 1, ret
, "parse_address `%s'", str
);
146 krb5_copy_addresses(context
, &tmp
, &explicit_addresses
);
148 krb5_append_addresses(context
, &explicit_addresses
, &tmp
);
149 krb5_free_addresses (context
, &tmp
);
152 krb5_kdc_configuration
*
153 configure(krb5_context context
, int argc
, char **argv
, int *optidx
)
155 krb5_kdc_configuration
*config
;
162 while (getarg(args
, num_args
, argc
, argv
, optidx
))
163 warnx("error at argument `%s'", argv
[*optidx
]);
173 if (builtin_hdb_flag
) {
175 ret
= hdb_list_builtin(context
, &list
);
177 krb5_err(context
, 1, ret
, "listing builtin hdb backends");
178 printf("builtin hdb backends: %s\n", list
);
183 if(detach_from_console
== -1)
184 detach_from_console
= krb5_config_get_bool_default(context
, NULL
,
189 if (detach_from_console
&& daemon_child
== -1)
190 roken_detach_prep(argc
, argv
, "--daemon-child");
196 if (config_file
== NULL
) {
197 aret
= asprintf(&config_file
, "%s/kdc.conf", hdb_db_dir(context
));
198 if (aret
== -1 || config_file
== NULL
)
199 errx(1, "out of memory");
202 ret
= krb5_prepend_config_files_default(config_file
, &files
);
204 krb5_err(context
, 1, ret
, "getting configuration files");
206 ret
= krb5_set_config_files(context
, files
);
207 krb5_free_config_files(files
);
209 krb5_err(context
, 1, ret
, "reading configuration files");
212 ret
= krb5_kdc_get_config(context
, &config
);
214 krb5_err(context
, 1, ret
, "krb5_kdc_default_config");
216 kdc_openlog(context
, "kdc", config
);
218 ret
= krb5_kdc_set_dbinfo(context
, config
);
220 krb5_err(context
, 1, ret
, "krb5_kdc_set_dbinfo");
223 max_request_tcp
= max_request_udp
= parse_bytes(max_request_str
, NULL
);
225 if(max_request_tcp
== 0){
226 p
= krb5_config_get_string (context
,
232 max_request_tcp
= max_request_udp
= parse_bytes(p
, NULL
);
235 if(require_preauth
!= -1)
236 config
->require_preauth
= require_preauth
;
238 if(port_str
== NULL
){
239 p
= krb5_config_get_string(context
, NULL
, "kdc", "ports", NULL
);
241 port_str
= strdup(p
);
244 explicit_addresses
.len
= 0;
246 if (addresses_str
.num_strings
) {
249 for (i
= 0; i
< addresses_str
.num_strings
; ++i
)
250 add_one_address (context
, addresses_str
.strings
[i
], i
== 0);
251 free_getarg_strings (&addresses_str
);
253 char **foo
= krb5_config_get_strings (context
, NULL
,
254 "kdc", "addresses", NULL
);
257 add_one_address (context
, *foo
++, TRUE
);
259 add_one_address (context
, *foo
++, FALSE
);
263 if(enable_http
== -1)
264 enable_http
= krb5_config_get_bool(context
, NULL
, "kdc",
265 "enable-http", NULL
);
267 if(request_log
== NULL
)
268 request_log
= krb5_config_get_string(context
, NULL
,
273 if (krb5_config_get_string(context
, NULL
, "kdc",
274 "enforce-transited-policy", NULL
))
275 krb5_errx(context
, 1, "enforce-transited-policy deprecated, "
276 "use [kdc]transited-policy instead");
278 if(max_request_tcp
== 0)
279 max_request_tcp
= 64 * 1024;
280 if(max_request_udp
== 0)
281 max_request_udp
= 64 * 1024;
283 if (port_str
== NULL
)
286 if(disable_des
== -1)
287 disable_des
= krb5_config_get_bool_default(context
, NULL
,
290 "disable-des", NULL
);
292 krb5_enctype_disable(context
, ETYPE_DES_CBC_CRC
);
293 krb5_enctype_disable(context
, ETYPE_DES_CBC_MD4
);
294 krb5_enctype_disable(context
, ETYPE_DES_CBC_MD5
);
295 krb5_enctype_disable(context
, ETYPE_DES_CBC_NONE
);
296 krb5_enctype_disable(context
, ETYPE_DES_CFB64_NONE
);
297 krb5_enctype_disable(context
, ETYPE_DES_PCBC_NONE
);
300 krb5_kdc_windc_init(context
);
302 krb5_kdc_pkinit_config(context
, config
);