1 files changed, 115 insertions, 0 deletions
diff --git a/source4/kdc/mit-kdb/kdb_samba_pac.c b/source4/kdc/mit-kdb/kdb_samba_pac.c
new file mode 100644
index 0000000..75b05a6
--- /dev/null
+++ b/source4/kdc/mit-kdb/kdb_samba_pac.c
@@ -0,0 +1,115 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Samba KDB plugin for MIT Kerberos
+
+   Copyright (c) 2010      Simo Sorce <idra@samba.org>.
+   Copyright (c) 2014      Andreas Schneider <asn@samba.org>
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+
+#include "system/kerberos.h"
+
+#include <profile.h>
+#include <kdb.h>
+
+#include "kdc/mit_samba.h"
+#include "kdb_samba.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_KERBEROS
+
+krb5_error_code kdb_samba_dbekd_decrypt_key_data(krb5_context context,
+						 const krb5_keyblock *mkey,
+						 const krb5_key_data *key_data,
+						 krb5_keyblock *kkey,
+						 krb5_keysalt *keysalt)
+{
+	/*
+	 * NOTE: Samba doesn't use a master key, so we will just copy
+	 * the contents around untouched.
+	 */
+	ZERO_STRUCTP(kkey);
+
+	kkey->magic = KV5M_KEYBLOCK;
+	kkey->enctype = key_data->key_data_type[0];
+	kkey->contents = malloc(key_data->key_data_length[0]);
+	if (kkey->contents == NULL) {
+		return ENOMEM;
+	}
+	memcpy(kkey->contents,
+	       key_data->key_data_contents[0],
+	       key_data->key_data_length[0]);
+	kkey->length = key_data->key_data_length[0];
+
+	if (keysalt != NULL) {
+		keysalt->type = key_data->key_data_type[1];
+		keysalt->data.data = malloc(key_data->key_data_length[1]);
+		if (keysalt->data.data == NULL) {
+			free(kkey->contents);
+			return ENOMEM;
+		}
+		memcpy(keysalt->data.data,
+		       key_data->key_data_contents[1],
+		       key_data->key_data_length[1]);
+		keysalt->data.length = key_data->key_data_length[1];
+	}
+
+	return 0;
+}
+
+krb5_error_code kdb_samba_dbekd_encrypt_key_data(krb5_context context,
+						 const krb5_keyblock *mkey,
+						 const krb5_keyblock *kkey,
+						 const krb5_keysalt *keysalt,
+						 int keyver,
+						 krb5_key_data *key_data)
+{
+	/*
+	 * NOTE: samba doesn't use a master key, so we will just copy
+	 * the contents around untouched.
+	 */
+
+	ZERO_STRUCTP(key_data);
+
+	key_data->key_data_ver = KRB5_KDB_V1_KEY_DATA_ARRAY;
+	key_data->key_data_kvno = keyver;
+	key_data->key_data_type[0] = kkey->enctype;
+	key_data->key_data_contents[0] = malloc(kkey->length);
+	if (key_data->key_data_contents[0] == NULL) {
+		return ENOMEM;
+	}
+	memcpy(key_data->key_data_contents[0],
+	       kkey->contents,
+	       kkey->length);
+	key_data->key_data_length[0] = kkey->length;
+
+	if (keysalt != NULL) {
+		key_data->key_data_type[1] = keysalt->type;
+		key_data->key_data_contents[1] = malloc(keysalt->data.length);
+		if (key_data->key_data_contents[1] == NULL) {
+			free(key_data->key_data_contents[0]);
+			return ENOMEM;
+		}
+		memcpy(key_data->key_data_contents[1],
+		       keysalt->data.data,
+		       keysalt->data.length);
+		key_data->key_data_length[1] = keysalt->data.length;
+	}
+
+	return 0;
+}