/*
* Copyright (c) 1997-2007 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Portions Copyright (c) 2009 Apple Inc. 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>
krb5_error_code
krb5_kdc_get_config(krb5_context context, krb5_kdc_configuration **config)
{
krb5_kdc_configuration *c;
c = calloc(1, sizeof(*c));
if (c == NULL) {
krb5_set_error_message(context, ENOMEM, "malloc: out of memory");
return ENOMEM;
}
c->require_preauth = TRUE;
c->kdc_warn_pwexpire = 0;
c->encode_as_rep_as_tgs_rep = FALSE;
c->tgt_use_strongest_session_key = FALSE;
c->preauth_use_strongest_session_key = FALSE;
c->svc_use_strongest_session_key = FALSE;
c->use_strongest_server_key = TRUE;
c->check_ticket_addresses = TRUE;
c->allow_null_ticket_addresses = TRUE;
c->allow_anonymous = FALSE;
c->trpolicy = TRPOLICY_ALWAYS_CHECK;
c->enable_pkinit = FALSE;
c->pkinit_princ_in_cert = TRUE;
c->pkinit_require_binding = TRUE;
c->db = NULL;
c->num_db = 0;
c->logf = NULL;
c->require_preauth =
krb5_config_get_bool_default(context, NULL,
c->require_preauth,
"kdc", "require-preauth", NULL);
#ifdef DIGEST
c->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";
c->digests_allowed = parse_flags(digests,_kdc_digestunits, 0);
if (c->digests_allowed == -1) {
kdc_log(context, c, 0,
"unparsable digest units (%s), turning off digest",
digests);
c->enable_digest = 0;
} else if (c->digests_allowed == 0) {
kdc_log(context, c, 0,
"no digest enable, turning digest off",
digests);
c->enable_digest = 0;
}
}
#endif
#ifdef KX509
c->enable_kx509 =
krb5_config_get_bool_default(context, NULL,
FALSE,
"kdc", "enable-kx509", NULL);
if (c->enable_kx509) {
c->kx509_template =
krb5_config_get_string(context, NULL,
"kdc", "kx509_template", NULL);
c->kx509_ca =
krb5_config_get_string(context, NULL,
"kdc", "kx509_ca", NULL);
if (c->kx509_ca == NULL || c->kx509_template == NULL) {
kdc_log(context, c, 0,
"missing kx509 configuration, turning off");
c->enable_kx509 = FALSE;
}
}
#endif
c->tgt_use_strongest_session_key =
krb5_config_get_bool_default(context, NULL,
c->tgt_use_strongest_session_key,
"kdc",
"tgt-use-strongest-session-key", NULL);
c->preauth_use_strongest_session_key =
krb5_config_get_bool_default(context, NULL,
c->preauth_use_strongest_session_key,
"kdc",
"preauth-use-strongest-session-key", NULL);
c->svc_use_strongest_session_key =
krb5_config_get_bool_default(context, NULL,
c->svc_use_strongest_session_key,
"kdc",
"svc-use-strongest-session-key", NULL);
c->use_strongest_server_key =
krb5_config_get_bool_default(context, NULL,
c->use_strongest_server_key,
"kdc",
"use-strongest-server-key", NULL);
c->check_ticket_addresses =
krb5_config_get_bool_default(context, NULL,
c->check_ticket_addresses,
"kdc",
"check-ticket-addresses", NULL);
c->allow_null_ticket_addresses =
krb5_config_get_bool_default(context, NULL,
c->allow_null_ticket_addresses,
"kdc",
"allow-null-ticket-addresses", NULL);
c->allow_anonymous =
krb5_config_get_bool_default(context, NULL,
c->allow_anonymous,
"kdc",
"allow-anonymous", NULL);
c->max_datagram_reply_length =
krb5_config_get_int_default(context,
NULL,
1400,
"kdc",
"max-kdc-datagram-reply-length",
NULL);
{
const char *trpolicy_str;
trpolicy_str =
krb5_config_get_string_default(context, NULL, "DEFAULT", "kdc",
"transited-policy", NULL);
if(strcasecmp(trpolicy_str, "always-check") == 0) {
c->trpolicy = TRPOLICY_ALWAYS_CHECK;
} else if(strcasecmp(trpolicy_str, "allow-per-principal") == 0) {
c->trpolicy = TRPOLICY_ALLOW_PER_PRINCIPAL;
} else if(strcasecmp(trpolicy_str, "always-honour-request") == 0) {
c->trpolicy = TRPOLICY_ALWAYS_HONOUR_REQUEST;
} else if(strcasecmp(trpolicy_str, "DEFAULT") == 0) {
/* default */
} else {
kdc_log(context, c, 0,
"unknown transited-policy: %s, "
"reverting to default (always-check)",
trpolicy_str);
}
}
c->encode_as_rep_as_tgs_rep =
krb5_config_get_bool_default(context, NULL,
c->encode_as_rep_as_tgs_rep,
"kdc",
"encode_as_rep_as_tgs_rep", NULL);
c->kdc_warn_pwexpire =
krb5_config_get_time_default (context, NULL,
c->kdc_warn_pwexpire,
"kdc", "kdc_warn_pwexpire", NULL);
c->enable_pkinit =
krb5_config_get_bool_default(context,
NULL,
c->enable_pkinit,
"kdc",
"enable-pkinit",
NULL);
c->pkinit_kdc_identity =
krb5_config_get_string(context, NULL,
"kdc", "pkinit_identity", NULL);
c->pkinit_kdc_anchors =
krb5_config_get_string(context, NULL,
"kdc", "pkinit_anchors", NULL);
c->pkinit_kdc_cert_pool =
krb5_config_get_strings(context, NULL,
"kdc", "pkinit_pool", NULL);
c->pkinit_kdc_revoke =
krb5_config_get_strings(context, NULL,
"kdc", "pkinit_revoke", NULL);
c->pkinit_kdc_ocsp_file =
krb5_config_get_string(context, NULL,
"kdc", "pkinit_kdc_ocsp", NULL);
c->pkinit_kdc_friendly_name =
krb5_config_get_string(context, NULL,
"kdc", "pkinit_kdc_friendly_name", NULL);
c->pkinit_princ_in_cert =
krb5_config_get_bool_default(context, NULL,
c->pkinit_princ_in_cert,
"kdc",
"pkinit_principal_in_certificate",
NULL);
c->pkinit_require_binding =
krb5_config_get_bool_default(context, NULL,
c->pkinit_require_binding,
"kdc",
"pkinit_win2k_require_binding",
NULL);
c->pkinit_dh_min_bits =
krb5_config_get_int_default(context, NULL,
0,
"kdc", "pkinit_dh_min_bits", NULL);
*config = c;
return 0;
}
krb5_error_code
krb5_kdc_pkinit_config(krb5_context context, krb5_kdc_configuration *config)
{
#ifdef PKINIT
#ifdef __APPLE__
config->enable_pkinit = 1;
if (config->pkinit_kdc_identity == NULL) {
if (config->pkinit_kdc_friendly_name == NULL)
config->pkinit_kdc_friendly_name =
strdup("O=System Identity,CN=com.apple.kerberos.kdc");
config->pkinit_kdc_identity = strdup("KEYCHAIN:");
}
if (config->pkinit_kdc_anchors == NULL)
config->pkinit_kdc_anchors = strdup("KEYCHAIN:");
#endif /* __APPLE__ */
if (config->enable_pkinit) {
if (config->pkinit_kdc_identity == NULL)
krb5_errx(context, 1, "pkinit enabled but no identity");
if (config->pkinit_kdc_anchors == NULL)
krb5_errx(context, 1, "pkinit enabled but no X509 anchors");
krb5_kdc_pk_initialize(context, config,
config->pkinit_kdc_identity,
config->pkinit_kdc_anchors,
config->pkinit_kdc_cert_pool,
config->pkinit_kdc_revoke);
}
return 0;
#endif /* PKINIT */
}