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
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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
105 { "addresses", 0, arg_strings
, &addresses_str
,
106 "addresses to listen on", "list of addresses" },
107 { "disable-des", 0, arg_flag
, &disable_des
,
108 "disable DES", NULL
},
109 { "builtin-hdb", 0, arg_flag
, &builtin_hdb_flag
,
110 "list builtin hdb backends", NULL
},
111 { "runas-user", 0, arg_string
, &runas_string
,
112 "run as this user when connected to network", NULL
114 { "chroot", 0, arg_string
, &chroot_string
,
115 "chroot directory to run in", NULL
117 { "help", 'h', arg_flag
, &help_flag
, NULL
, NULL
},
118 { "version", 'v', arg_flag
, &version_flag
, NULL
, NULL
}
121 static int num_args
= sizeof(args
) / sizeof(args
[0]);
126 arg_printusage (args
, num_args
, NULL
, "");
131 add_one_address (krb5_context context
, const char *str
, int first
)
136 ret
= krb5_parse_address (context
, str
, &tmp
);
138 krb5_err (context
, 1, ret
, "parse_address `%s'", str
);
140 krb5_copy_addresses(context
, &tmp
, &explicit_addresses
);
142 krb5_append_addresses(context
, &explicit_addresses
, &tmp
);
143 krb5_free_addresses (context
, &tmp
);
146 krb5_kdc_configuration
*
147 configure(krb5_context context
, int argc
, char **argv
, int *optidx
)
149 krb5_kdc_configuration
*config
;
156 while (getarg(args
, num_args
, argc
, argv
, optidx
))
157 warnx("error at argument `%s'", argv
[*optidx
]);
167 if (builtin_hdb_flag
) {
169 ret
= hdb_list_builtin(context
, &list
);
171 krb5_err(context
, 1, ret
, "listing builtin hdb backends");
172 printf("builtin hdb backends: %s\n", list
);
177 if(detach_from_console
== -1)
178 detach_from_console
= krb5_config_get_bool_default(context
, NULL
,
183 if (detach_from_console
&& daemon_child
== -1)
184 roken_detach_prep(argc
, argv
, "--daemon-child");
190 if (config_file
== NULL
) {
191 aret
= asprintf(&config_file
, "%s/kdc.conf", hdb_db_dir(context
));
192 if (aret
== -1 || config_file
== NULL
)
193 errx(1, "out of memory");
196 ret
= krb5_prepend_config_files_default(config_file
, &files
);
198 krb5_err(context
, 1, ret
, "getting configuration files");
200 ret
= krb5_set_config_files(context
, files
);
201 krb5_free_config_files(files
);
203 krb5_err(context
, 1, ret
, "reading configuration files");
206 ret
= krb5_kdc_get_config(context
, &config
);
208 krb5_err(context
, 1, ret
, "krb5_kdc_default_config");
210 kdc_openlog(context
, "kdc", config
);
212 ret
= krb5_kdc_set_dbinfo(context
, config
);
214 krb5_err(context
, 1, ret
, "krb5_kdc_set_dbinfo");
217 max_request_tcp
= max_request_udp
= parse_bytes(max_request_str
, NULL
);
219 if(max_request_tcp
== 0){
220 p
= krb5_config_get_string (context
,
226 max_request_tcp
= max_request_udp
= parse_bytes(p
, NULL
);
229 if(require_preauth
!= -1)
230 config
->require_preauth
= require_preauth
;
232 if(port_str
== NULL
){
233 p
= krb5_config_get_string(context
, NULL
, "kdc", "ports", NULL
);
235 port_str
= strdup(p
);
238 explicit_addresses
.len
= 0;
240 if (addresses_str
.num_strings
) {
243 for (i
= 0; i
< addresses_str
.num_strings
; ++i
)
244 add_one_address (context
, addresses_str
.strings
[i
], i
== 0);
245 free_getarg_strings (&addresses_str
);
247 char **foo
= krb5_config_get_strings (context
, NULL
,
248 "kdc", "addresses", NULL
);
251 add_one_address (context
, *foo
++, TRUE
);
253 add_one_address (context
, *foo
++, FALSE
);
257 if(enable_http
== -1)
258 enable_http
= krb5_config_get_bool(context
, NULL
, "kdc",
259 "enable-http", NULL
);
261 if(request_log
== NULL
)
262 request_log
= krb5_config_get_string(context
, NULL
,
267 if (krb5_config_get_string(context
, NULL
, "kdc",
268 "enforce-transited-policy", NULL
))
269 krb5_errx(context
, 1, "enforce-transited-policy deprecated, "
270 "use [kdc]transited-policy instead");
272 if(max_request_tcp
== 0)
273 max_request_tcp
= 64 * 1024;
274 if(max_request_udp
== 0)
275 max_request_udp
= 64 * 1024;
277 if (port_str
== NULL
)
280 if(disable_des
== -1)
281 disable_des
= krb5_config_get_bool_default(context
, NULL
,
284 "disable-des", NULL
);
286 krb5_enctype_disable(context
, ETYPE_DES_CBC_CRC
);
287 krb5_enctype_disable(context
, ETYPE_DES_CBC_MD4
);
288 krb5_enctype_disable(context
, ETYPE_DES_CBC_MD5
);
289 krb5_enctype_disable(context
, ETYPE_DES_CBC_NONE
);
290 krb5_enctype_disable(context
, ETYPE_DES_CFB64_NONE
);
291 krb5_enctype_disable(context
, ETYPE_DES_PCBC_NONE
);
294 krb5_kdc_windc_init(context
);
296 krb5_kdc_pkinit_config(context
, config
);