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568a417224
Require that all headers are guarded by a symbol named LIBVIRT_$FILENAME where $FILENAME is the uppercased filename, with all characters outside a-z changed into '_'. Note we do not use a leading __ because that is technically a namespace reserved for the toolchain. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/*
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* virstorageencryption.h: volume encryption information
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*
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* Copyright (C) 2009-2011, 2014 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBVIRT_VIRSTORAGEENCRYPTION_H
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# define LIBVIRT_VIRSTORAGEENCRYPTION_H
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# include "internal.h"
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# include "virbuffer.h"
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# include "virsecret.h"
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# include "virutil.h"
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# include <libxml/tree.h>
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typedef enum {
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VIR_STORAGE_ENCRYPTION_SECRET_TYPE_PASSPHRASE = 0,
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VIR_STORAGE_ENCRYPTION_SECRET_TYPE_LAST
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} virStorageEncryptionSecretType;
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VIR_ENUM_DECL(virStorageEncryptionSecret)
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typedef struct _virStorageEncryptionSecret virStorageEncryptionSecret;
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typedef virStorageEncryptionSecret *virStorageEncryptionSecretPtr;
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struct _virStorageEncryptionSecret {
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int type; /* virStorageEncryptionSecretType */
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virSecretLookupTypeDef seclookupdef;
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};
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/* It's possible to dictate the cipher and if necessary iv */
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typedef struct _virStorageEncryptionInfoDef virStorageEncryptionInfoDef;
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typedef virStorageEncryptionInfoDef *virStorageEncryptionInfoDefPtr;
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struct _virStorageEncryptionInfoDef {
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unsigned int cipher_size;
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char *cipher_name;
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char *cipher_mode;
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char *cipher_hash;
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char *ivgen_name;
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char *ivgen_hash;
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};
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typedef enum {
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/* "default" is only valid for volume creation */
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VIR_STORAGE_ENCRYPTION_FORMAT_DEFAULT = 0,
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VIR_STORAGE_ENCRYPTION_FORMAT_QCOW, /* Both qcow and qcow2 */
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VIR_STORAGE_ENCRYPTION_FORMAT_LUKS,
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VIR_STORAGE_ENCRYPTION_FORMAT_LAST,
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} virStorageEncryptionFormatType;
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VIR_ENUM_DECL(virStorageEncryptionFormat)
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typedef struct _virStorageEncryption virStorageEncryption;
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typedef virStorageEncryption *virStorageEncryptionPtr;
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struct _virStorageEncryption {
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int format; /* virStorageEncryptionFormatType */
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int payload_offset;
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size_t nsecrets;
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virStorageEncryptionSecretPtr *secrets;
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virStorageEncryptionInfoDef encinfo;
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};
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virStorageEncryptionPtr virStorageEncryptionCopy(const virStorageEncryption *src)
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ATTRIBUTE_NONNULL(1);
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void virStorageEncryptionFree(virStorageEncryptionPtr enc);
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virStorageEncryptionPtr virStorageEncryptionParseNode(xmlNodePtr node,
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xmlXPathContextPtr ctxt);
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int virStorageEncryptionFormat(virBufferPtr buf,
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virStorageEncryptionPtr enc);
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/* A helper for VIR_STORAGE_ENCRYPTION_FORMAT_QCOW */
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enum {
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VIR_STORAGE_QCOW_PASSPHRASE_SIZE = 16
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};
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int virStorageGenerateQcowPassphrase(unsigned char *dest);
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#endif /* LIBVIRT_VIRSTORAGEENCRYPTION_H */
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