342 lines
8.9 KiB
C
342 lines
8.9 KiB
C
/*
|
|
* Copyright (c) 1997-2000 Kungliga Tekniska Högskolan
|
|
* (Royal Institute of Technology, Stockholm, Sweden).
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "kdc_locl.h"
|
|
#include <getarg.h>
|
|
#include <parse_bytes.h>
|
|
|
|
RCSID("$Id: config.c,v 1.30 2000/02/11 17:47:19 assar Exp $");
|
|
|
|
static char *config_file; /* location of kdc config file */
|
|
|
|
int require_preauth = -1; /* 1 == require preauth for all principals */
|
|
|
|
size_t max_request; /* maximal size of a request */
|
|
|
|
static char *max_request_str; /* `max_request' as a string */
|
|
|
|
time_t kdc_warn_pwexpire; /* time before expiration to print a warning */
|
|
|
|
struct dbinfo *databases;
|
|
HDB **db;
|
|
int num_db;
|
|
|
|
char *port_str;
|
|
|
|
int enable_http = -1;
|
|
krb5_boolean encode_as_rep_as_tgs_rep; /* bug compatibility */
|
|
|
|
krb5_boolean check_ticket_addresses;
|
|
krb5_boolean allow_null_ticket_addresses;
|
|
|
|
static struct getarg_strings addresses_str; /* addresses to listen on */
|
|
krb5_addresses explicit_addresses;
|
|
|
|
#ifdef KRB4
|
|
char *v4_realm;
|
|
#endif
|
|
#ifdef KASERVER
|
|
krb5_boolean enable_kaserver = -1;
|
|
#endif
|
|
|
|
static int help_flag;
|
|
static int version_flag;
|
|
|
|
static struct getargs args[] = {
|
|
{
|
|
"config-file", 'c', arg_string, &config_file,
|
|
"location of config file", "file"
|
|
},
|
|
{
|
|
"require-preauth", 'p', arg_negative_flag, &require_preauth,
|
|
"don't require pa-data in as-reqs"
|
|
},
|
|
{
|
|
"max-request", 0, arg_string, &max_request,
|
|
"max size for a kdc-request", "size"
|
|
},
|
|
#if 0
|
|
{
|
|
"database", 'd', arg_string, &databases,
|
|
"location of database", "database"
|
|
},
|
|
#endif
|
|
{ "enable-http", 'H', arg_flag, &enable_http, "turn on HTTP support" },
|
|
#ifdef KRB4
|
|
{
|
|
"v4-realm", 'r', arg_string, &v4_realm,
|
|
"realm to serve v4-requests for"
|
|
},
|
|
#endif
|
|
#ifdef KASERVER
|
|
{
|
|
"kaserver", 'K', arg_negative_flag, &enable_kaserver,
|
|
"turn off kaserver support"
|
|
},
|
|
#endif
|
|
{ "ports", 'P', arg_string, &port_str,
|
|
"ports to listen to"
|
|
},
|
|
{ "addresses", 0, arg_strings, &addresses_str,
|
|
"addresses to listen on", "list of addresses" },
|
|
{ "help", 'h', arg_flag, &help_flag },
|
|
{ "version", 'v', arg_flag, &version_flag }
|
|
};
|
|
|
|
static int num_args = sizeof(args) / sizeof(args[0]);
|
|
|
|
static void
|
|
usage(int ret)
|
|
{
|
|
arg_printusage (args, num_args, NULL, "");
|
|
exit (ret);
|
|
}
|
|
|
|
static void
|
|
get_dbinfo(krb5_config_section *cf)
|
|
{
|
|
krb5_config_binding *top_binding = NULL;
|
|
krb5_config_binding *db_binding;
|
|
krb5_config_binding *default_binding = NULL;
|
|
struct dbinfo *di, **dt;
|
|
const char *default_dbname = HDB_DEFAULT_DB;
|
|
const char *default_mkey = HDB_DB_DIR "/m-key";
|
|
const char *p;
|
|
|
|
databases = NULL;
|
|
dt = &databases;
|
|
while((db_binding = (krb5_config_binding *)
|
|
krb5_config_get_next(context, cf, &top_binding,
|
|
krb5_config_list,
|
|
"kdc",
|
|
"database",
|
|
NULL))) {
|
|
p = krb5_config_get_string(context, db_binding, "realm", NULL);
|
|
if(p == NULL) {
|
|
if(default_binding) {
|
|
krb5_warnx(context, "WARNING: more than one realm-less "
|
|
"database specification");
|
|
krb5_warnx(context, "WARNING: using the first encountered");
|
|
} else
|
|
default_binding = db_binding;
|
|
continue;
|
|
}
|
|
di = calloc(1, sizeof(*di));
|
|
di->realm = strdup(p);
|
|
p = krb5_config_get_string(context, db_binding, "dbname", NULL);
|
|
if(p)
|
|
di->dbname = strdup(p);
|
|
p = krb5_config_get_string(context, db_binding, "mkey_file", NULL);
|
|
if(p)
|
|
di->mkey_file = strdup(p);
|
|
*dt = di;
|
|
dt = &di->next;
|
|
}
|
|
if(default_binding) {
|
|
di = calloc(1, sizeof(*di));
|
|
p = krb5_config_get_string(context, default_binding, "dbname", NULL);
|
|
if(p) {
|
|
di->dbname = strdup(p);
|
|
default_dbname = p;
|
|
}
|
|
p = krb5_config_get_string(context, default_binding, "mkey_file", NULL);
|
|
if(p) {
|
|
di->mkey_file = strdup(p);
|
|
default_mkey = p;
|
|
}
|
|
*dt = di;
|
|
dt = &di->next;
|
|
} else {
|
|
di = calloc(1, sizeof(*di));
|
|
di->dbname = strdup(default_dbname);
|
|
di->mkey_file = strdup(default_mkey);
|
|
*dt = di;
|
|
dt = &di->next;
|
|
}
|
|
for(di = databases; di; di = di->next) {
|
|
if(di->dbname == NULL)
|
|
di->dbname = strdup(default_dbname);
|
|
if(di->mkey_file == NULL) {
|
|
p = strrchr(di->dbname, '.');
|
|
if(p == NULL || strchr(p, '/') != NULL)
|
|
asprintf(&di->mkey_file, "%s.mkey", di->dbname);
|
|
else
|
|
asprintf(&di->mkey_file, "%.*s.mkey",
|
|
(int)(p - di->dbname), di->dbname);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
add_one_address (const char *str, int first)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_addresses tmp;
|
|
|
|
ret = krb5_parse_address (context, str, &tmp);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, "parse_address `%s'", str);
|
|
if (first)
|
|
krb5_copy_addresses(context, &tmp, &explicit_addresses);
|
|
else
|
|
krb5_append_addresses(context, &explicit_addresses, &tmp);
|
|
krb5_free_addresses (context, &tmp);
|
|
}
|
|
|
|
void
|
|
configure(int argc, char **argv)
|
|
{
|
|
krb5_config_section *cf = NULL;
|
|
int optind = 0;
|
|
int e;
|
|
const char *p;
|
|
|
|
while((e = getarg(args, num_args, argc, argv, &optind)))
|
|
warnx("error at argument `%s'", argv[optind]);
|
|
|
|
if(help_flag)
|
|
usage (0);
|
|
|
|
if (version_flag) {
|
|
print_version(NULL);
|
|
exit(0);
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc != 0)
|
|
usage(1);
|
|
|
|
if(config_file == NULL)
|
|
config_file = HDB_DB_DIR "/kdc.conf";
|
|
|
|
if(krb5_config_parse_file(config_file, &cf))
|
|
cf = NULL;
|
|
|
|
get_dbinfo(cf);
|
|
|
|
if(max_request_str){
|
|
max_request = parse_bytes(max_request_str, NULL);
|
|
}
|
|
|
|
if(max_request == 0){
|
|
p = krb5_config_get_string (context,
|
|
cf,
|
|
"kdc",
|
|
"max-request",
|
|
NULL);
|
|
if(p)
|
|
max_request = parse_bytes(p, NULL);
|
|
}
|
|
|
|
if(require_preauth == -1)
|
|
require_preauth = krb5_config_get_bool(context, cf, "kdc",
|
|
"require-preauth", NULL);
|
|
|
|
if(port_str == NULL){
|
|
p = krb5_config_get_string(context, cf, "kdc", "ports", NULL);
|
|
if (p != NULL)
|
|
port_str = strdup(p);
|
|
}
|
|
|
|
explicit_addresses.len = 0;
|
|
|
|
if (addresses_str.num_strings) {
|
|
int i;
|
|
|
|
for (i = 0; i < addresses_str.num_strings; ++i)
|
|
add_one_address (addresses_str.strings[i], i == 0);
|
|
} else {
|
|
char **foo = krb5_config_get_strings (context, cf,
|
|
"kdc", "addresses", NULL);
|
|
|
|
if (foo != NULL) {
|
|
add_one_address (*foo++, TRUE);
|
|
while (*foo)
|
|
add_one_address (*foo++, FALSE);
|
|
}
|
|
}
|
|
|
|
if(enable_http == -1)
|
|
enable_http = krb5_config_get_bool(context, cf, "kdc",
|
|
"enable-http", NULL);
|
|
check_ticket_addresses =
|
|
krb5_config_get_bool(context, cf, "kdc",
|
|
"check-ticket-addresses", NULL);
|
|
allow_null_ticket_addresses =
|
|
krb5_config_get_bool(context, cf, "kdc",
|
|
"allow-null-ticket-addresses", NULL);
|
|
#ifdef KRB4
|
|
if(v4_realm == NULL){
|
|
p = krb5_config_get_string (context, cf,
|
|
"kdc",
|
|
"v4-realm",
|
|
NULL);
|
|
if(p)
|
|
v4_realm = strdup(p);
|
|
}
|
|
#endif
|
|
#ifdef KASERVER
|
|
if (enable_kaserver == -1)
|
|
enable_kaserver = krb5_config_get_bool_default(context, cf, TRUE,
|
|
"kdc",
|
|
"enable-kaserver",
|
|
NULL);
|
|
#endif
|
|
|
|
encode_as_rep_as_tgs_rep = krb5_config_get_bool(context, cf, "kdc",
|
|
"encode_as_rep_as_tgs_rep",
|
|
NULL);
|
|
|
|
kdc_warn_pwexpire = krb5_config_get_time (context, cf,
|
|
"kdc",
|
|
"kdc_warn_pwexpire",
|
|
NULL);
|
|
kdc_openlog(cf);
|
|
if(cf)
|
|
krb5_config_file_free (context, cf);
|
|
if(max_request == 0)
|
|
max_request = 64 * 1024;
|
|
if(require_preauth == -1)
|
|
require_preauth = 1;
|
|
if (port_str == NULL)
|
|
port_str = "+";
|
|
#ifdef KRB4
|
|
if(v4_realm == NULL){
|
|
v4_realm = malloc(40); /* REALM_SZ */
|
|
krb_get_lrealm(v4_realm, 1);
|
|
}
|
|
#endif
|
|
}
|