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ade958e20b
Signed-off-by: Andreas Schneider <asn@samba.org> Signed-off-by: Simo Sorce <idra@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org> Pair-Programmed-With: Simo Sorce <idra@samba.org> Reviewed-by: Sumit Bose <sbose@redhat.com> Reviewed-by: Guenther Deschner <gd@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
113 lines
3.1 KiB
C
113 lines
3.1 KiB
C
/*
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Unix SMB/CIFS implementation.
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Samba KDB plugin for MIT Kerberos
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Copyright (c) 2010 Simo Sorce <idra@samba.org>.
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Copyright (c) 2014 Andreas Schneider <asn@samba.org>
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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 <profile.h>
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#include <kdb.h>
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#include "kdc/mit_samba.h"
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#include "kdb_samba.h"
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krb5_error_code kdb_samba_dbekd_decrypt_key_data(krb5_context context,
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const krb5_keyblock *mkey,
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const krb5_key_data *key_data,
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krb5_keyblock *kkey,
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krb5_keysalt *keysalt)
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{
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/*
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* NOTE: Samba doesn't use a master key, so we will just copy
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* the contents around untouched.
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*/
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ZERO_STRUCTP(kkey);
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kkey->magic = KV5M_KEYBLOCK;
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kkey->enctype = key_data->key_data_type[0];
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kkey->contents = malloc(key_data->key_data_length[0]);
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if (kkey->contents == NULL) {
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return ENOMEM;
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}
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memcpy(kkey->contents,
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key_data->key_data_contents[0],
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key_data->key_data_length[0]);
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kkey->length = key_data->key_data_length[0];
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if (keysalt != NULL) {
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keysalt->type = key_data->key_data_type[1];
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keysalt->data.data = malloc(key_data->key_data_length[1]);
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if (keysalt->data.data == NULL) {
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free(kkey->contents);
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return ENOMEM;
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}
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memcpy(keysalt->data.data,
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key_data->key_data_contents[1],
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key_data->key_data_length[1]);
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keysalt->data.length = key_data->key_data_length[1];
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}
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return 0;
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}
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krb5_error_code kdb_samba_dbekd_encrypt_key_data(krb5_context context,
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const krb5_keyblock *mkey,
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const krb5_keyblock *kkey,
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const krb5_keysalt *keysalt,
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int keyver,
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krb5_key_data *key_data)
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{
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/*
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* NOTE: samba doesn't use a master key, so we will just copy
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* the contents around untouched.
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*/
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ZERO_STRUCTP(key_data);
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key_data->key_data_ver = KRB5_KDB_V1_KEY_DATA_ARRAY;
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key_data->key_data_kvno = keyver;
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key_data->key_data_type[0] = kkey->enctype;
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key_data->key_data_contents[0] = malloc(kkey->length);
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if (key_data->key_data_contents[0]) {
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return ENOMEM;
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}
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memcpy(key_data->key_data_contents[0],
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kkey->contents,
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kkey->length);
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key_data->key_data_length[0] = kkey->length;
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if (keysalt != NULL) {
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key_data->key_data_type[1] = keysalt->type;
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key_data->key_data_contents[1] = malloc(keysalt->data.length);
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if (key_data->key_data_contents[1] == NULL) {
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free(key_data->key_data_contents[0]);
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return ENOMEM;
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}
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memcpy(key_data->key_data_contents[1],
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keysalt->data.data,
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keysalt->data.length);
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key_data->key_data_length[1] = keysalt->data.length;
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}
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return 0;
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}
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