mirror of https://gitee.com/openkylin/qemu.git
152 lines
4.0 KiB
C
152 lines
4.0 KiB
C
/*
|
|
* QEMU crypto secret support
|
|
*
|
|
* Copyright (c) 2015 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/>.
|
|
*
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "crypto/secret.h"
|
|
#include "qapi/error.h"
|
|
#include "qom/object_interfaces.h"
|
|
#include "qemu/module.h"
|
|
#include "trace.h"
|
|
|
|
|
|
static void
|
|
qcrypto_secret_load_data(QCryptoSecretCommon *sec_common,
|
|
uint8_t **output,
|
|
size_t *outputlen,
|
|
Error **errp)
|
|
{
|
|
char *data = NULL;
|
|
size_t length = 0;
|
|
GError *gerr = NULL;
|
|
|
|
QCryptoSecret *secret = QCRYPTO_SECRET(sec_common);
|
|
|
|
*output = NULL;
|
|
*outputlen = 0;
|
|
|
|
if (secret->file) {
|
|
if (secret->data) {
|
|
error_setg(errp,
|
|
"'file' and 'data' are mutually exclusive");
|
|
return;
|
|
}
|
|
if (!g_file_get_contents(secret->file, &data, &length, &gerr)) {
|
|
error_setg(errp,
|
|
"Unable to read %s: %s",
|
|
secret->file, gerr->message);
|
|
g_error_free(gerr);
|
|
return;
|
|
}
|
|
*output = (uint8_t *)data;
|
|
*outputlen = length;
|
|
} else if (secret->data) {
|
|
*outputlen = strlen(secret->data);
|
|
*output = (uint8_t *)g_strdup(secret->data);
|
|
} else {
|
|
error_setg(errp, "Either 'file' or 'data' must be provided");
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
qcrypto_secret_prop_set_data(Object *obj,
|
|
const char *value,
|
|
Error **errp)
|
|
{
|
|
QCryptoSecret *secret = QCRYPTO_SECRET(obj);
|
|
|
|
g_free(secret->data);
|
|
secret->data = g_strdup(value);
|
|
}
|
|
|
|
|
|
static char *
|
|
qcrypto_secret_prop_get_data(Object *obj,
|
|
Error **errp)
|
|
{
|
|
QCryptoSecret *secret = QCRYPTO_SECRET(obj);
|
|
return g_strdup(secret->data);
|
|
}
|
|
|
|
|
|
static void
|
|
qcrypto_secret_prop_set_file(Object *obj,
|
|
const char *value,
|
|
Error **errp)
|
|
{
|
|
QCryptoSecret *secret = QCRYPTO_SECRET(obj);
|
|
|
|
g_free(secret->file);
|
|
secret->file = g_strdup(value);
|
|
}
|
|
|
|
|
|
static char *
|
|
qcrypto_secret_prop_get_file(Object *obj,
|
|
Error **errp)
|
|
{
|
|
QCryptoSecret *secret = QCRYPTO_SECRET(obj);
|
|
return g_strdup(secret->file);
|
|
}
|
|
|
|
|
|
static void
|
|
qcrypto_secret_finalize(Object *obj)
|
|
{
|
|
QCryptoSecret *secret = QCRYPTO_SECRET(obj);
|
|
|
|
g_free(secret->file);
|
|
g_free(secret->data);
|
|
}
|
|
|
|
static void
|
|
qcrypto_secret_class_init(ObjectClass *oc, void *data)
|
|
{
|
|
QCryptoSecretCommonClass *sic = QCRYPTO_SECRET_COMMON_CLASS(oc);
|
|
sic->load_data = qcrypto_secret_load_data;
|
|
|
|
object_class_property_add_str(oc, "data",
|
|
qcrypto_secret_prop_get_data,
|
|
qcrypto_secret_prop_set_data);
|
|
object_class_property_add_str(oc, "file",
|
|
qcrypto_secret_prop_get_file,
|
|
qcrypto_secret_prop_set_file);
|
|
}
|
|
|
|
|
|
static const TypeInfo qcrypto_secret_info = {
|
|
.parent = TYPE_QCRYPTO_SECRET_COMMON,
|
|
.name = TYPE_QCRYPTO_SECRET,
|
|
.instance_size = sizeof(QCryptoSecret),
|
|
.instance_finalize = qcrypto_secret_finalize,
|
|
.class_size = sizeof(QCryptoSecretClass),
|
|
.class_init = qcrypto_secret_class_init,
|
|
};
|
|
|
|
|
|
static void
|
|
qcrypto_secret_register_types(void)
|
|
{
|
|
type_register_static(&qcrypto_secret_info);
|
|
}
|
|
|
|
|
|
type_init(qcrypto_secret_register_types);
|