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util: Remove use of virCryptoHaveCipher(VIR_CRYPTO_CIPHER_AES256CBC)

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It always returns true. Make the logic a bit simpler to see through.

This completely removes 'virCryptoHaveCipher' as it's pointless in the
current form.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2021-09-21 17:33:52 +02:00
parent c066cb6dc1
commit acfce77201
6 changed files with 1 additions and 43 deletions
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1
src/libvirt_private.syms
View File

@ -2092,7 +2092,6 @@ virConfWriteMem;
virCryptoEncryptData;
virCryptoHashBuf;
virCryptoHashString;
virCryptoHaveCipher;
# util/virdaemon.h

3
src/qemu/qemu_domain.c
View File

@ -1253,8 +1253,7 @@ qemuDomainSecretAESSetupFromSecret(qemuDomainObjPrivate *priv,
bool
qemuDomainSupportsEncryptedSecret(qemuDomainObjPrivate *priv)
{
return virCryptoHaveCipher(VIR_CRYPTO_CIPHER_AES256CBC) &&
virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_OBJECT_SECRET) &&
return virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_OBJECT_SECRET) &&
priv->masterKey;
}

6
src/storage/storage_util.c
View File

@ -839,12 +839,6 @@ storageBackendCreateQemuImgCheckEncryption(int format,
_("no secret provided for luks encryption"));
return -1;
}
if (!virCryptoHaveCipher(VIR_CRYPTO_CIPHER_AES256CBC)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("luks encryption usage requires encrypted "
"secret generation to be supported"));
return -1;
}
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("volume encryption unsupported with format %s"), type);

27
src/util/vircrypto.c
View File

@ -100,33 +100,6 @@ virCryptoHashString(virCryptoHash hash,
}
/* virCryptoHaveCipher:
* @algorithm: Specific cipher algorithm desired
*
* Expected to be called prior to virCryptoEncryptData in order
* to determine whether the requested encryption option is available,
* so that "other" alternatives can be taken if the algorithm is
* not available.
*
* Returns true if we can support the encryption.
*/
bool
virCryptoHaveCipher(virCryptoCipher algorithm)
{
switch (algorithm) {
case VIR_CRYPTO_CIPHER_AES256CBC:
return true;
case VIR_CRYPTO_CIPHER_NONE:
case VIR_CRYPTO_CIPHER_LAST:
break;
};
return false;
}
/* virCryptoEncryptDataAESgntuls:
*
* Performs the AES gnutls encryption

2
src/util/vircrypto.h
View File

@ -54,8 +54,6 @@ virCryptoHashString(virCryptoHash hash,
ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3)
G_GNUC_WARN_UNUSED_RESULT;
bool virCryptoHaveCipher(virCryptoCipher algorithm);
int virCryptoEncryptData(virCryptoCipher algorithm,
uint8_t *enckey, size_t enckeylen,
uint8_t *iv, size_t ivlen,

5
tests/vircryptotest.c
View File

@ -73,11 +73,6 @@ testCryptoEncrypt(const void *opaque)
g_autofree uint8_t *ciphertext = NULL;
size_t ciphertextlen = 0;
if (!virCryptoHaveCipher(data->algorithm)) {
fprintf(stderr, "cipher algorithm=%d unavailable\n", data->algorithm);
return EXIT_AM_SKIP;
}
enckey = g_new0(uint8_t, enckeylen);
iv = g_new0(uint8_t, ivlen);