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a7705ad060
This subsystem should be used to provide shared code between the s4 heimdal kdc and the s4 heimdal wdc plugin. Guenther Signed-off-by: Günther Deschner <gd@samba.org> Reviewed-by: Alexander Bokovoy <ab@samba.org>
70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/*
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Unix SMB/CIFS implementation.
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PAC Glue between Samba and the KDC
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Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005-2009
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Copyright (C) Simo Sorce <idra@samba.org> 2010
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "system/kerberos.h"
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#include "auth/kerberos/kerberos.h"
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#include <hdb.h>
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#include "kdc/samba_kdc.h"
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#include "kdc/pac-glue.h"
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#include "librpc/gen_ndr/ndr_krb5pac.h"
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#include "auth/kerberos/pac_utils.h"
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#include "kdc/kdc-glue.h"
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int kdc_check_pac(krb5_context context,
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DATA_BLOB srv_sig,
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struct PAC_SIGNATURE_DATA *kdc_sig,
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struct hdb_entry_ex *ent)
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{
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krb5_enctype etype;
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int ret;
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krb5_keyblock keyblock;
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Key *key;
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if (kdc_sig->type == CKSUMTYPE_HMAC_MD5) {
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etype = ENCTYPE_ARCFOUR_HMAC;
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} else {
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ret = krb5_cksumtype_to_enctype(context,
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kdc_sig->type,
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&etype);
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if (ret != 0) {
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return ret;
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}
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}
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#if HDB_ENCTYPE2KEY_TAKES_KEYSET
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ret = hdb_enctype2key(context, &ent->entry, NULL, etype, &key);
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#else
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ret = hdb_enctype2key(context, &ent->entry, etype, &key);
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#endif
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if (ret != 0) {
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return ret;
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}
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keyblock = key->key;
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return check_pac_checksum(srv_sig, kdc_sig,
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context, &keyblock);
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}
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