0c2182a3ba
of KDC behaviour. This should allow PKINIT to be turned on and managed with reasonable sanity. From Andrew Bartlet git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@20447 ec53bebd-3082-4978-b11e-865c3cabbd6b
371 lines
10 KiB
C
371 lines
10 KiB
C
/*
|
|
* Copyright (c) 1997-2005 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"
|
|
|
|
int require_preauth = -1; /* 1 == require preauth for all principals */
|
|
|
|
const char *trpolicy_str;
|
|
|
|
int disable_des = -1;
|
|
int enable_v4 = -1;
|
|
int enable_kaserver = -1;
|
|
int enable_524 = -1;
|
|
int enable_v4_cross_realm = -1;
|
|
int detach_from_console = -1;
|
|
|
|
char *v4_realm;
|
|
|
|
/*
|
|
* Setup some of the defaults for the KDC configuration.
|
|
*
|
|
* Note: Caller must also fill in:
|
|
* - db
|
|
* - num_db
|
|
* - logf
|
|
*
|
|
*/
|
|
|
|
void
|
|
krb5_kdc_default_config(krb5_kdc_configuration *config)
|
|
{
|
|
memset(config, 0, sizeof(*config));
|
|
config->require_preauth = TRUE;
|
|
config->kdc_warn_pwexpire = 0;
|
|
config->encode_as_rep_as_tgs_rep = FALSE; /* bug compatibility */
|
|
config->check_ticket_addresses = TRUE;
|
|
config->allow_null_ticket_addresses = TRUE;
|
|
config->allow_anonymous = FALSE;
|
|
config->trpolicy = TRPOLICY_ALWAYS_CHECK;
|
|
config->enable_v4 = FALSE;
|
|
config->enable_kaserver = FALSE;
|
|
config->enable_524 = FALSE; /* overriden by enable_v4 in configure()) */
|
|
config->enable_v4_cross_realm = FALSE;
|
|
config->enable_pkinit = FALSE;
|
|
config->enable_pkinit_princ_in_cert = TRUE;
|
|
config->db = NULL;
|
|
config->num_db = 0;
|
|
config->logf = NULL;
|
|
}
|
|
|
|
|
|
/*
|
|
* Setup some valudes for the KDC configuration, from the config file
|
|
*
|
|
* Note: Caller must also fill in:
|
|
* - db
|
|
* - num_db
|
|
* - logf
|
|
*
|
|
*/
|
|
|
|
void krb5_kdc_configure(krb5_context context, krb5_kdc_configuration *config)
|
|
{
|
|
const char *p;
|
|
if(require_preauth == -1) {
|
|
config->require_preauth = krb5_config_get_bool_default(context, NULL,
|
|
config->require_preauth,
|
|
"kdc",
|
|
"require-preauth", NULL);
|
|
} else {
|
|
config->require_preauth = require_preauth;
|
|
}
|
|
|
|
if(enable_v4 == -1) {
|
|
config->enable_v4 = krb5_config_get_bool_default(context, NULL,
|
|
config->enable_v4,
|
|
"kdc",
|
|
"enable-kerberos4",
|
|
NULL);
|
|
} else {
|
|
config->enable_v4 = enable_v4;
|
|
}
|
|
|
|
if(enable_v4_cross_realm == -1) {
|
|
config->enable_v4_cross_realm =
|
|
krb5_config_get_bool_default(context, NULL,
|
|
config->enable_v4_cross_realm,
|
|
"kdc",
|
|
"enable-kerberos4-cross-realm",
|
|
NULL);
|
|
} else {
|
|
config->enable_v4_cross_realm = enable_v4_cross_realm;
|
|
}
|
|
|
|
if(enable_524 == -1) {
|
|
config->enable_524 = krb5_config_get_bool_default(context, NULL,
|
|
config->enable_v4,
|
|
"kdc", "enable-524",
|
|
NULL);
|
|
} else {
|
|
config->enable_524 = enable_524;
|
|
}
|
|
|
|
config->enable_digest =
|
|
krb5_config_get_bool_default(context, NULL,
|
|
FALSE,
|
|
"kdc",
|
|
"enable-digest", NULL);
|
|
|
|
{
|
|
const char *digests;
|
|
|
|
digests = krb5_config_get_string(context, NULL,
|
|
"kdc",
|
|
"digests_allowed", NULL);
|
|
if (digests == NULL)
|
|
digests = "ntlm-v2";
|
|
config->digests_allowed = parse_flags(digests,
|
|
_kdc_digestunits,
|
|
0);
|
|
if (config->digests_allowed == -1) {
|
|
kdc_log(context, config, 0,
|
|
"unparsable digest units (%s), turning off digest",
|
|
digests);
|
|
config->enable_digest = 0;
|
|
} else if (config->digests_allowed == 0) {
|
|
kdc_log(context, config, 0,
|
|
"no digest enable, turning digest off",
|
|
digests);
|
|
config->enable_digest = 0;
|
|
}
|
|
}
|
|
|
|
config->enable_kx509 =
|
|
krb5_config_get_bool_default(context, NULL,
|
|
FALSE,
|
|
"kdc",
|
|
"enable-kx509", NULL);
|
|
|
|
config->check_ticket_addresses =
|
|
krb5_config_get_bool_default(context, NULL,
|
|
config->check_ticket_addresses,
|
|
"kdc",
|
|
"check-ticket-addresses", NULL);
|
|
config->allow_null_ticket_addresses =
|
|
krb5_config_get_bool_default(context, NULL,
|
|
config->allow_null_ticket_addresses,
|
|
"kdc",
|
|
"allow-null-ticket-addresses", NULL);
|
|
|
|
config->allow_anonymous =
|
|
krb5_config_get_bool_default(context, NULL,
|
|
config->allow_anonymous,
|
|
"kdc",
|
|
"allow-anonymous", NULL);
|
|
|
|
config->max_datagram_reply_length =
|
|
krb5_config_get_int_default(context,
|
|
NULL,
|
|
1400,
|
|
"kdc",
|
|
"max-kdc-datagram-reply-length",
|
|
NULL);
|
|
|
|
trpolicy_str =
|
|
krb5_config_get_string_default(context, NULL, "DEFAULT", "kdc",
|
|
"transited-policy", NULL);
|
|
if(strcasecmp(trpolicy_str, "always-check") == 0) {
|
|
config->trpolicy = TRPOLICY_ALWAYS_CHECK;
|
|
} else if(strcasecmp(trpolicy_str, "allow-per-principal") == 0) {
|
|
config->trpolicy = TRPOLICY_ALLOW_PER_PRINCIPAL;
|
|
} else if(strcasecmp(trpolicy_str, "always-honour-request") == 0) {
|
|
config->trpolicy = TRPOLICY_ALWAYS_HONOUR_REQUEST;
|
|
} else if(strcasecmp(trpolicy_str, "DEFAULT") == 0) {
|
|
/* default */
|
|
} else {
|
|
kdc_log(context, config,
|
|
0, "unknown transited-policy: %s, reverting to default (always-check)",
|
|
trpolicy_str);
|
|
}
|
|
|
|
if (krb5_config_get_string(context, NULL, "kdc",
|
|
"enforce-transited-policy", NULL))
|
|
krb5_errx(context, 1, "enforce-transited-policy deprecated, "
|
|
"use [kdc]transited-policy instead");
|
|
|
|
if(v4_realm == NULL){
|
|
p = krb5_config_get_string (context, NULL,
|
|
"kdc",
|
|
"v4-realm",
|
|
NULL);
|
|
if(p != NULL) {
|
|
config->v4_realm = strdup(p);
|
|
if (config->v4_realm == NULL)
|
|
krb5_errx(context, 1, "out of memory");
|
|
} else {
|
|
config->v4_realm = NULL;
|
|
}
|
|
} else {
|
|
config->v4_realm = v4_realm;
|
|
}
|
|
|
|
if (enable_kaserver == -1) {
|
|
config->enable_kaserver =
|
|
krb5_config_get_bool_default(context,
|
|
NULL,
|
|
config->enable_kaserver,
|
|
"kdc",
|
|
"enable-kaserver",
|
|
NULL);
|
|
} else {
|
|
config->enable_kaserver = enable_kaserver;
|
|
}
|
|
|
|
config->encode_as_rep_as_tgs_rep =
|
|
krb5_config_get_bool_default(context, NULL,
|
|
config->encode_as_rep_as_tgs_rep,
|
|
"kdc",
|
|
"encode_as_rep_as_tgs_rep",
|
|
NULL);
|
|
|
|
config->kdc_warn_pwexpire =
|
|
krb5_config_get_time_default (context, NULL,
|
|
config->kdc_warn_pwexpire,
|
|
"kdc",
|
|
"kdc_warn_pwexpire",
|
|
NULL);
|
|
|
|
if(detach_from_console == -1)
|
|
detach_from_console = krb5_config_get_bool_default(context, NULL,
|
|
DETACH_IS_DEFAULT,
|
|
"kdc",
|
|
"detach", NULL);
|
|
|
|
#ifdef PKINIT
|
|
config->enable_pkinit =
|
|
krb5_config_get_bool_default(context,
|
|
NULL,
|
|
config->enable_pkinit,
|
|
"kdc",
|
|
"enable-pkinit",
|
|
NULL);
|
|
if (config->enable_pkinit) {
|
|
const char *user_id, *anchors, *ocsp_file;
|
|
char **pool_list, **revoke_list;
|
|
|
|
user_id = krb5_config_get_string(context, NULL,
|
|
"kdc",
|
|
"pkinit_identity",
|
|
NULL);
|
|
if (user_id == NULL)
|
|
krb5_errx(context, 1, "pkinit enabled but no identity");
|
|
|
|
anchors = krb5_config_get_string(context, NULL,
|
|
"kdc",
|
|
"pkinit_anchors",
|
|
NULL);
|
|
if (anchors == NULL)
|
|
krb5_errx(context, 1, "pkinit enabled but no X509 anchors");
|
|
|
|
pool_list = krb5_config_get_strings(context, NULL,
|
|
"kdc",
|
|
"pkinit_pool",
|
|
NULL);
|
|
|
|
revoke_list = krb5_config_get_strings(context, NULL,
|
|
"kdc",
|
|
"pkinit_revoke",
|
|
NULL);
|
|
|
|
ocsp_file =
|
|
krb5_config_get_string(context, NULL,
|
|
"kdc",
|
|
"pkinit_kdc_ocsp",
|
|
NULL);
|
|
if (ocsp_file) {
|
|
config->pkinit_kdc_ocsp_file = strdup(ocsp_file);
|
|
if (config->pkinit_kdc_ocsp_file == NULL)
|
|
krb5_errx(context, 1, "out of memory");
|
|
}
|
|
_kdc_pk_initialize(context, config, user_id, anchors,
|
|
pool_list, revoke_list);
|
|
|
|
krb5_config_free_strings(pool_list);
|
|
krb5_config_free_strings(revoke_list);
|
|
|
|
config->enable_pkinit_princ_in_cert =
|
|
krb5_config_get_bool_default(context,
|
|
NULL,
|
|
config->enable_pkinit_princ_in_cert,
|
|
"kdc",
|
|
"pkinit_principal_in_certificate",
|
|
NULL);
|
|
}
|
|
|
|
config->pkinit_dh_min_bits =
|
|
krb5_config_get_int_default(context,
|
|
NULL,
|
|
0,
|
|
"kdc",
|
|
"pkinit_dh_min_bits",
|
|
NULL);
|
|
|
|
#endif
|
|
|
|
if(config->v4_realm == NULL && (config->enable_kaserver || config->enable_v4)){
|
|
#ifdef KRB4
|
|
config->v4_realm = malloc(40); /* REALM_SZ */
|
|
if (config->v4_realm == NULL)
|
|
krb5_errx(context, 1, "out of memory");
|
|
krb_get_lrealm(config->v4_realm, 1);
|
|
#else
|
|
krb5_errx(context, 1, "No Kerberos 4 realm configured");
|
|
#endif
|
|
}
|
|
if(disable_des == -1)
|
|
disable_des = krb5_config_get_bool_default(context, NULL,
|
|
FALSE,
|
|
"kdc",
|
|
"disable-des", NULL);
|
|
if(disable_des) {
|
|
krb5_enctype_disable(context, ETYPE_DES_CBC_CRC);
|
|
krb5_enctype_disable(context, ETYPE_DES_CBC_MD4);
|
|
krb5_enctype_disable(context, ETYPE_DES_CBC_MD5);
|
|
krb5_enctype_disable(context, ETYPE_DES_CBC_NONE);
|
|
krb5_enctype_disable(context, ETYPE_DES_CFB64_NONE);
|
|
krb5_enctype_disable(context, ETYPE_DES_PCBC_NONE);
|
|
|
|
kdc_log(context, config,
|
|
0, "DES was disabled, turned off Kerberos V4, 524 "
|
|
"and kaserver");
|
|
config->enable_v4 = 0;
|
|
config->enable_524 = 0;
|
|
config->enable_kaserver = 0;
|
|
}
|
|
|
|
_kdc_windc_init(context);
|
|
}
|
|
|