libvirt/src/conf/storage_encryption_conf.h
2012-12-21 11:19:49 +00:00

79 lines
2.5 KiB
C

/*
* storage_encryption_conf.h: volume encryption information
*
* Copyright (C) 2009-2011 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Red Hat Author: Miloslav Trmač <mitr@redhat.com>
*/
#ifndef __VIR_STORAGE_ENCRYPTION_H__
# define __VIR_STORAGE_ENCRYPTION_H__
# include "internal.h"
# include "virbuffer.h"
# include "virutil.h"
# include <libxml/tree.h>
enum virStorageEncryptionSecretType {
VIR_STORAGE_ENCRYPTION_SECRET_TYPE_PASSPHRASE = 0,
VIR_STORAGE_ENCRYPTION_SECRET_TYPE_LAST
};
VIR_ENUM_DECL(virStorageEncryptionSecretType)
typedef struct _virStorageEncryptionSecret virStorageEncryptionSecret;
typedef virStorageEncryptionSecret *virStorageEncryptionSecretPtr;
struct _virStorageEncryptionSecret {
int type; /* enum virStorageEncryptionSecretType */
unsigned char uuid[VIR_UUID_BUFLEN];
};
enum virStorageEncryptionFormat {
/* "default" is only valid for volume creation */
VIR_STORAGE_ENCRYPTION_FORMAT_DEFAULT = 0,
VIR_STORAGE_ENCRYPTION_FORMAT_QCOW, /* Both qcow and qcow2 */
VIR_STORAGE_ENCRYPTION_FORMAT_LAST,
};
VIR_ENUM_DECL(virStorageEncryptionFormat)
typedef struct _virStorageEncryption virStorageEncryption;
typedef virStorageEncryption *virStorageEncryptionPtr;
struct _virStorageEncryption {
int format; /* enum virStorageEncryptionFormat */
size_t nsecrets;
virStorageEncryptionSecretPtr *secrets;
};
void virStorageEncryptionFree(virStorageEncryptionPtr enc);
virStorageEncryptionPtr virStorageEncryptionParseNode(xmlDocPtr xml,
xmlNodePtr root);
int virStorageEncryptionFormat(virBufferPtr buf,
virStorageEncryptionPtr enc);
/* A helper for VIR_STORAGE_ENCRYPTION_FORMAT_QCOW */
enum {
VIR_STORAGE_QCOW_PASSPHRASE_SIZE = 16
};
int virStorageGenerateQcowPassphrase(unsigned char *dest);
#endif /* __VIR_STORAGE_ENCRYPTION_H__ */