mirror of
https://github.com/xemu-project/xemu.git
synced 2024-12-05 18:27:42 +00:00
6666c96aac
Nothing uses it outside of migration.h Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Laurent Vivier <lvivier@redhat.com>
166 lines
4.9 KiB
C
166 lines
4.9 KiB
C
/*
|
|
* QEMU migration TLS 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 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 "channel.h"
|
|
#include "migration.h"
|
|
#include "tls.h"
|
|
#include "io/channel-tls.h"
|
|
#include "crypto/tlscreds.h"
|
|
#include "qemu/error-report.h"
|
|
#include "qapi/error.h"
|
|
#include "trace.h"
|
|
|
|
static QCryptoTLSCreds *
|
|
migration_tls_get_creds(MigrationState *s,
|
|
QCryptoTLSCredsEndpoint endpoint,
|
|
Error **errp)
|
|
{
|
|
Object *creds;
|
|
QCryptoTLSCreds *ret;
|
|
|
|
creds = object_resolve_path_component(
|
|
object_get_objects_root(), s->parameters.tls_creds);
|
|
if (!creds) {
|
|
error_setg(errp, "No TLS credentials with id '%s'",
|
|
s->parameters.tls_creds);
|
|
return NULL;
|
|
}
|
|
ret = (QCryptoTLSCreds *)object_dynamic_cast(
|
|
creds, TYPE_QCRYPTO_TLS_CREDS);
|
|
if (!ret) {
|
|
error_setg(errp, "Object with id '%s' is not TLS credentials",
|
|
s->parameters.tls_creds);
|
|
return NULL;
|
|
}
|
|
if (ret->endpoint != endpoint) {
|
|
error_setg(errp,
|
|
"Expected TLS credentials for a %s endpoint",
|
|
endpoint == QCRYPTO_TLS_CREDS_ENDPOINT_CLIENT ?
|
|
"client" : "server");
|
|
return NULL;
|
|
}
|
|
|
|
object_ref(OBJECT(ret));
|
|
return ret;
|
|
}
|
|
|
|
|
|
static void migration_tls_incoming_handshake(QIOTask *task,
|
|
gpointer opaque)
|
|
{
|
|
QIOChannel *ioc = QIO_CHANNEL(qio_task_get_source(task));
|
|
Error *err = NULL;
|
|
|
|
if (qio_task_propagate_error(task, &err)) {
|
|
trace_migration_tls_incoming_handshake_error(error_get_pretty(err));
|
|
error_report_err(err);
|
|
} else {
|
|
trace_migration_tls_incoming_handshake_complete();
|
|
migration_channel_process_incoming(ioc);
|
|
}
|
|
object_unref(OBJECT(ioc));
|
|
}
|
|
|
|
void migration_tls_channel_process_incoming(MigrationState *s,
|
|
QIOChannel *ioc,
|
|
Error **errp)
|
|
{
|
|
QCryptoTLSCreds *creds;
|
|
QIOChannelTLS *tioc;
|
|
|
|
creds = migration_tls_get_creds(
|
|
s, QCRYPTO_TLS_CREDS_ENDPOINT_SERVER, errp);
|
|
if (!creds) {
|
|
return;
|
|
}
|
|
|
|
tioc = qio_channel_tls_new_server(
|
|
ioc, creds,
|
|
NULL, /* XXX pass ACL name */
|
|
errp);
|
|
if (!tioc) {
|
|
return;
|
|
}
|
|
|
|
trace_migration_tls_incoming_handshake_start();
|
|
qio_channel_set_name(QIO_CHANNEL(tioc), "migration-tls-incoming");
|
|
qio_channel_tls_handshake(tioc,
|
|
migration_tls_incoming_handshake,
|
|
NULL,
|
|
NULL);
|
|
}
|
|
|
|
|
|
static void migration_tls_outgoing_handshake(QIOTask *task,
|
|
gpointer opaque)
|
|
{
|
|
MigrationState *s = opaque;
|
|
QIOChannel *ioc = QIO_CHANNEL(qio_task_get_source(task));
|
|
Error *err = NULL;
|
|
|
|
if (qio_task_propagate_error(task, &err)) {
|
|
trace_migration_tls_outgoing_handshake_error(error_get_pretty(err));
|
|
migrate_fd_error(s, err);
|
|
error_free(err);
|
|
} else {
|
|
trace_migration_tls_outgoing_handshake_complete();
|
|
migration_channel_connect(s, ioc, NULL);
|
|
}
|
|
object_unref(OBJECT(ioc));
|
|
}
|
|
|
|
|
|
void migration_tls_channel_connect(MigrationState *s,
|
|
QIOChannel *ioc,
|
|
const char *hostname,
|
|
Error **errp)
|
|
{
|
|
QCryptoTLSCreds *creds;
|
|
QIOChannelTLS *tioc;
|
|
|
|
creds = migration_tls_get_creds(
|
|
s, QCRYPTO_TLS_CREDS_ENDPOINT_CLIENT, errp);
|
|
if (!creds) {
|
|
return;
|
|
}
|
|
|
|
if (s->parameters.tls_hostname && *s->parameters.tls_hostname) {
|
|
hostname = s->parameters.tls_hostname;
|
|
}
|
|
if (!hostname) {
|
|
error_setg(errp, "No hostname available for TLS");
|
|
return;
|
|
}
|
|
|
|
tioc = qio_channel_tls_new_client(
|
|
ioc, creds, hostname, errp);
|
|
if (!tioc) {
|
|
return;
|
|
}
|
|
|
|
trace_migration_tls_outgoing_handshake_start(hostname);
|
|
qio_channel_set_name(QIO_CHANNEL(tioc), "migration-tls-outgoing");
|
|
qio_channel_tls_handshake(tioc,
|
|
migration_tls_outgoing_handshake,
|
|
s,
|
|
NULL);
|
|
}
|