288 lines
8.7 KiB
C
288 lines
8.7 KiB
C
/*
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* Copyright (c) 1997-2007 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Portions Copyright (c) 2009 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "kdc_locl.h"
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#include <getarg.h>
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#include <parse_bytes.h>
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krb5_error_code
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krb5_kdc_get_config(krb5_context context, krb5_kdc_configuration **config)
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{
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krb5_kdc_configuration *c;
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c = calloc(1, sizeof(*c));
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if (c == NULL) {
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krb5_set_error_message(context, ENOMEM, "malloc: out of memory");
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return ENOMEM;
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}
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c->require_preauth = TRUE;
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c->kdc_warn_pwexpire = 0;
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c->encode_as_rep_as_tgs_rep = FALSE;
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c->as_use_strongest_session_key = FALSE;
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c->preauth_use_strongest_session_key = FALSE;
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c->tgs_use_strongest_session_key = FALSE;
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c->use_strongest_server_key = TRUE;
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c->check_ticket_addresses = TRUE;
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c->allow_null_ticket_addresses = TRUE;
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c->allow_anonymous = FALSE;
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c->trpolicy = TRPOLICY_ALWAYS_CHECK;
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c->enable_pkinit = FALSE;
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c->pkinit_princ_in_cert = TRUE;
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c->pkinit_require_binding = TRUE;
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c->db = NULL;
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c->num_db = 0;
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c->logf = NULL;
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c->require_preauth =
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krb5_config_get_bool_default(context, NULL,
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c->require_preauth,
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"kdc", "require-preauth", NULL);
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#ifdef DIGEST
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c->enable_digest =
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krb5_config_get_bool_default(context, NULL,
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FALSE,
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"kdc", "enable-digest", NULL);
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{
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const char *digests;
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digests = krb5_config_get_string(context, NULL,
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"kdc",
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"digests_allowed", NULL);
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if (digests == NULL)
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digests = "ntlm-v2";
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c->digests_allowed = parse_flags(digests,_kdc_digestunits, 0);
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if (c->digests_allowed == -1) {
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kdc_log(context, c, 0,
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"unparsable digest units (%s), turning off digest",
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digests);
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c->enable_digest = 0;
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} else if (c->digests_allowed == 0) {
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kdc_log(context, c, 0,
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"no digest enable, turning digest off",
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digests);
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c->enable_digest = 0;
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}
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}
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#endif
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#ifdef KX509
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c->enable_kx509 =
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krb5_config_get_bool_default(context, NULL,
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FALSE,
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"kdc", "enable-kx509", NULL);
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if (c->enable_kx509) {
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c->kx509_template =
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krb5_config_get_string(context, NULL,
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"kdc", "kx509_template", NULL);
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c->kx509_ca =
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krb5_config_get_string(context, NULL,
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"kdc", "kx509_ca", NULL);
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if (c->kx509_ca == NULL || c->kx509_template == NULL) {
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kdc_log(context, c, 0,
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"missing kx509 configuration, turning off");
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c->enable_kx509 = FALSE;
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}
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}
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#endif
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c->as_use_strongest_session_key =
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krb5_config_get_bool_default(context, NULL,
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c->as_use_strongest_session_key,
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"kdc",
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"as-use-strongest-session-key", NULL);
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c->preauth_use_strongest_session_key =
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krb5_config_get_bool_default(context, NULL,
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c->preauth_use_strongest_session_key,
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"kdc",
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"preauth-use-strongest-session-key", NULL);
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c->tgs_use_strongest_session_key =
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krb5_config_get_bool_default(context, NULL,
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c->tgs_use_strongest_session_key,
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"kdc",
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"tgs-use-strongest-session-key", NULL);
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c->use_strongest_server_key =
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krb5_config_get_bool_default(context, NULL,
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c->use_strongest_server_key,
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"kdc",
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"use-strongest-server-key", NULL);
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c->check_ticket_addresses =
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krb5_config_get_bool_default(context, NULL,
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c->check_ticket_addresses,
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"kdc",
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"check-ticket-addresses", NULL);
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c->allow_null_ticket_addresses =
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krb5_config_get_bool_default(context, NULL,
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c->allow_null_ticket_addresses,
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"kdc",
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"allow-null-ticket-addresses", NULL);
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c->allow_anonymous =
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krb5_config_get_bool_default(context, NULL,
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c->allow_anonymous,
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"kdc",
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"allow-anonymous", NULL);
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c->max_datagram_reply_length =
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krb5_config_get_int_default(context,
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NULL,
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1400,
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"kdc",
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"max-kdc-datagram-reply-length",
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NULL);
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{
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const char *trpolicy_str;
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trpolicy_str =
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krb5_config_get_string_default(context, NULL, "DEFAULT", "kdc",
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"transited-policy", NULL);
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if(strcasecmp(trpolicy_str, "always-check") == 0) {
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c->trpolicy = TRPOLICY_ALWAYS_CHECK;
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} else if(strcasecmp(trpolicy_str, "allow-per-principal") == 0) {
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c->trpolicy = TRPOLICY_ALLOW_PER_PRINCIPAL;
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} else if(strcasecmp(trpolicy_str, "always-honour-request") == 0) {
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c->trpolicy = TRPOLICY_ALWAYS_HONOUR_REQUEST;
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} else if(strcasecmp(trpolicy_str, "DEFAULT") == 0) {
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/* default */
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} else {
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kdc_log(context, c, 0,
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"unknown transited-policy: %s, "
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"reverting to default (always-check)",
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trpolicy_str);
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}
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}
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c->encode_as_rep_as_tgs_rep =
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krb5_config_get_bool_default(context, NULL,
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c->encode_as_rep_as_tgs_rep,
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"kdc",
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"encode_as_rep_as_tgs_rep", NULL);
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c->kdc_warn_pwexpire =
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krb5_config_get_time_default (context, NULL,
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c->kdc_warn_pwexpire,
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"kdc", "kdc_warn_pwexpire", NULL);
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c->enable_pkinit =
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krb5_config_get_bool_default(context,
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NULL,
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c->enable_pkinit,
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"kdc",
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"enable-pkinit",
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NULL);
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c->pkinit_kdc_identity =
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krb5_config_get_string(context, NULL,
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"kdc", "pkinit_identity", NULL);
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c->pkinit_kdc_anchors =
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krb5_config_get_string(context, NULL,
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"kdc", "pkinit_anchors", NULL);
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c->pkinit_kdc_cert_pool =
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krb5_config_get_strings(context, NULL,
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"kdc", "pkinit_pool", NULL);
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c->pkinit_kdc_revoke =
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krb5_config_get_strings(context, NULL,
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"kdc", "pkinit_revoke", NULL);
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c->pkinit_kdc_ocsp_file =
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krb5_config_get_string(context, NULL,
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"kdc", "pkinit_kdc_ocsp", NULL);
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c->pkinit_kdc_friendly_name =
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krb5_config_get_string(context, NULL,
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"kdc", "pkinit_kdc_friendly_name", NULL);
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c->pkinit_princ_in_cert =
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krb5_config_get_bool_default(context, NULL,
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c->pkinit_princ_in_cert,
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"kdc",
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"pkinit_principal_in_certificate",
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NULL);
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c->pkinit_require_binding =
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krb5_config_get_bool_default(context, NULL,
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c->pkinit_require_binding,
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"kdc",
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"pkinit_win2k_require_binding",
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NULL);
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c->pkinit_dh_min_bits =
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krb5_config_get_int_default(context, NULL,
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0,
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"kdc", "pkinit_dh_min_bits", NULL);
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*config = c;
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return 0;
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}
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krb5_error_code
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krb5_kdc_pkinit_config(krb5_context context, krb5_kdc_configuration *config)
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{
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#ifdef PKINIT
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#ifdef __APPLE__
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config->enable_pkinit = 1;
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if (config->pkinit_kdc_identity == NULL) {
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if (config->pkinit_kdc_friendly_name == NULL)
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config->pkinit_kdc_friendly_name =
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strdup("O=System Identity,CN=com.apple.kerberos.kdc");
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config->pkinit_kdc_identity = strdup("KEYCHAIN:");
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}
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if (config->pkinit_kdc_anchors == NULL)
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config->pkinit_kdc_anchors = strdup("KEYCHAIN:");
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#endif /* __APPLE__ */
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if (config->enable_pkinit) {
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if (config->pkinit_kdc_identity == NULL)
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krb5_errx(context, 1, "pkinit enabled but no identity");
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if (config->pkinit_kdc_anchors == NULL)
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krb5_errx(context, 1, "pkinit enabled but no X509 anchors");
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krb5_kdc_pk_initialize(context, config,
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config->pkinit_kdc_identity,
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config->pkinit_kdc_anchors,
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config->pkinit_kdc_cert_pool,
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config->pkinit_kdc_revoke);
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}
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return 0;
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#endif /* PKINIT */
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}
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