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
;
57 static int version_flag
;
59 /* Should we enable the HTTP hack? */
62 /* Log over requests to the KDC */
63 const char *request_log
;
65 /* A string describing on what ports to listen */
68 krb5_addresses explicit_addresses
;
70 size_t max_request_udp
;
71 size_t max_request_tcp
;
74 static struct getarg_strings addresses_str
; /* addresses to listen on */
80 static struct getargs args
[] = {
82 "config-file", 'c', arg_string
, &config_file
,
83 "location of config file", "file"
86 "require-preauth", 'p', arg_negative_flag
, &require_preauth
,
87 "don't require pa-data in as-reqs", NULL
90 "max-request", 0, arg_string
, &max_request_str
,
91 "max size for a kdc-request", "size"
93 { "enable-http", 'H', arg_flag
, &enable_http
, "turn on HTTP support",
95 { "ports", 'P', arg_string
, rk_UNCONST(&port_str
),
96 "ports to listen to", "portspec"
99 "detach", 0 , arg_flag
, &detach_from_console
,
100 "detach from console", NULL
103 "daemon-child", 0 , arg_flag
, &daemon_child
,
104 "private argument, do not use", NULL
108 "bonjour", 0 , arg_flag
, &do_bonjour
,
109 "private argument, do not use", NULL
112 { "addresses", 0, arg_strings
, &addresses_str
,
113 "addresses to listen on", "list of addresses" },
114 { "disable-des", 0, arg_flag
, &disable_des
,
115 "disable DES", NULL
},
116 { "builtin-hdb", 0, arg_flag
, &builtin_hdb_flag
,
117 "list builtin hdb backends", NULL
},
118 { "runas-user", 0, arg_string
, &runas_string
,
119 "run as this user when connected to network", NULL
121 { "chroot", 0, arg_string
, &chroot_string
,
122 "chroot directory to run in", NULL
124 { "testing", 0, arg_flag
, &testing_flag
, NULL
, NULL
},
125 { "help", 'h', arg_flag
, &help_flag
, NULL
, NULL
},
126 { "version", 'v', arg_flag
, &version_flag
, NULL
, NULL
}
129 static int num_args
= sizeof(args
) / sizeof(args
[0]);
134 arg_printusage (args
, num_args
, NULL
, "");
139 add_one_address (krb5_context context
, const char *str
, int first
)
144 ret
= krb5_parse_address (context
, str
, &tmp
);
146 krb5_err (context
, 1, ret
, "parse_address `%s'", str
);
148 krb5_copy_addresses(context
, &tmp
, &explicit_addresses
);
150 krb5_append_addresses(context
, &explicit_addresses
, &tmp
);
151 krb5_free_addresses (context
, &tmp
);
154 krb5_kdc_configuration
*
155 configure(krb5_context context
, int argc
, char **argv
, int *optidx
)
157 krb5_kdc_configuration
*config
;
164 while (getarg(args
, num_args
, argc
, argv
, optidx
))
165 warnx("error at argument `%s'", argv
[*optidx
]);
175 if (builtin_hdb_flag
) {
177 ret
= hdb_list_builtin(context
, &list
);
179 krb5_err(context
, 1, ret
, "listing builtin hdb backends");
180 printf("builtin hdb backends: %s\n", list
);
185 if(detach_from_console
== -1)
186 detach_from_console
= krb5_config_get_bool_default(context
, NULL
,
191 if (detach_from_console
&& daemon_child
== -1)
192 daemon_child
= roken_detach_prep(argc
, argv
, "--daemon-child");
198 if (config_file
== NULL
) {
199 aret
= asprintf(&config_file
, "%s/kdc.conf", hdb_db_dir(context
));
200 if (aret
== -1 || config_file
== NULL
)
201 errx(1, "out of memory");
204 ret
= krb5_prepend_config_files_default(config_file
, &files
);
206 krb5_err(context
, 1, ret
, "getting configuration files");
208 ret
= krb5_set_config_files(context
, files
);
209 krb5_free_config_files(files
);
211 krb5_err(context
, 1, ret
, "reading configuration files");
214 ret
= krb5_kdc_get_config(context
, &config
);
216 krb5_err(context
, 1, ret
, "krb5_kdc_default_config");
218 kdc_openlog(context
, "kdc", config
);
220 ret
= krb5_kdc_set_dbinfo(context
, config
);
222 krb5_err(context
, 1, ret
, "krb5_kdc_set_dbinfo");
225 max_request_tcp
= max_request_udp
= parse_bytes(max_request_str
, NULL
);
227 if(max_request_tcp
== 0){
228 p
= krb5_config_get_string (context
,
234 max_request_tcp
= max_request_udp
= parse_bytes(p
, NULL
);
237 if(require_preauth
!= -1)
238 config
->require_preauth
= require_preauth
;
240 if(port_str
== NULL
){
241 p
= krb5_config_get_string(context
, NULL
, "kdc", "ports", NULL
);
243 port_str
= strdup(p
);
246 explicit_addresses
.len
= 0;
248 if (addresses_str
.num_strings
) {
251 for (i
= 0; i
< addresses_str
.num_strings
; ++i
)
252 add_one_address (context
, addresses_str
.strings
[i
], i
== 0);
253 free_getarg_strings (&addresses_str
);
255 char **foo
= krb5_config_get_strings (context
, NULL
,
256 "kdc", "addresses", NULL
);
259 add_one_address (context
, *foo
++, TRUE
);
261 add_one_address (context
, *foo
++, FALSE
);
265 if(enable_http
== -1)
266 enable_http
= krb5_config_get_bool(context
, NULL
, "kdc",
267 "enable-http", NULL
);
269 if(request_log
== NULL
)
270 request_log
= krb5_config_get_string(context
, NULL
,
275 if (krb5_config_get_string(context
, NULL
, "kdc",
276 "enforce-transited-policy", NULL
))
277 krb5_errx(context
, 1, "enforce-transited-policy deprecated, "
278 "use [kdc]transited-policy instead");
280 if(max_request_tcp
== 0)
281 max_request_tcp
= 64 * 1024;
282 if(max_request_udp
== 0)
283 max_request_udp
= 64 * 1024;
285 if (port_str
== NULL
)
288 if(disable_des
== -1)
289 disable_des
= krb5_config_get_bool_default(context
, NULL
,
292 "disable-des", NULL
);
294 krb5_enctype_disable(context
, ETYPE_DES_CBC_CRC
);
295 krb5_enctype_disable(context
, ETYPE_DES_CBC_MD4
);
296 krb5_enctype_disable(context
, ETYPE_DES_CBC_MD5
);
297 krb5_enctype_disable(context
, ETYPE_DES_CBC_NONE
);
298 krb5_enctype_disable(context
, ETYPE_DES_CFB64_NONE
);
299 krb5_enctype_disable(context
, ETYPE_DES_PCBC_NONE
);
302 krb5_kdc_windc_init(context
);
304 krb5_kdc_pkinit_config(context
, config
);