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libvirt/daemon/remote.c
Daniel P. Berrange ec8cae93db Consistent style for usage of sizeof operator 
The code is splattered with a mix of

  sizeof foo
  sizeof (foo)
  sizeof(foo)

Standardize on sizeof(foo) and add a syntax check rule to
enforce it

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2012-03-30 11:47:24 +01:00

3906 lines
121 KiB
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/*
* remote.c: handlers for RPC method calls
*
* Copyright (C) 2007-2012 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Richard W.M. Jones <rjones@redhat.com>
*/
#include <config.h>
#include "virterror_internal.h"
#if HAVE_POLKIT0
# include <polkit/polkit.h>
# include <polkit-dbus/polkit-dbus.h>
#endif
#include "remote.h"
#include "libvirtd.h"
#include "libvirt_internal.h"
#include "datatypes.h"
#include "memory.h"
#include "logging.h"
#include "util.h"
#include "stream.h"
#include "uuid.h"
#include "libvirt/libvirt-qemu.h"
#include "command.h"
#include "intprops.h"
#include "virnetserverservice.h"
#include "virnetserver.h"
#include "virfile.h"
#include "virtypedparam.h"
#include "remote_protocol.h"
#include "qemu_protocol.h"
#define VIR_FROM_THIS VIR_FROM_RPC
#define virNetError(code, ...) \
virReportErrorHelper(VIR_FROM_THIS, code, __FILE__, \
__FUNCTION__, __LINE__, __VA_ARGS__)
#if SIZEOF_LONG < 8
# define HYPER_TO_TYPE(_type, _to, _from) \
do { \
if ((_from) != (_type)(_from)) { \
virNetError(VIR_ERR_OVERFLOW, \
_("conversion from hyper to %s overflowed"), \
#_type); \
goto cleanup; \
} \
(_to) = (_from); \
} while (0)
# define HYPER_TO_LONG(_to, _from) HYPER_TO_TYPE(long, _to, _from)
# define HYPER_TO_ULONG(_to, _from) HYPER_TO_TYPE(unsigned long, _to, _from)
#else
# define HYPER_TO_LONG(_to, _from) (_to) = (_from)
# define HYPER_TO_ULONG(_to, _from) (_to) = (_from)
#endif
static virDomainPtr get_nonnull_domain(virConnectPtr conn, remote_nonnull_domain domain);
static virNetworkPtr get_nonnull_network(virConnectPtr conn, remote_nonnull_network network);
static virInterfacePtr get_nonnull_interface(virConnectPtr conn, remote_nonnull_interface iface);
static virStoragePoolPtr get_nonnull_storage_pool(virConnectPtr conn, remote_nonnull_storage_pool pool);
static virStorageVolPtr get_nonnull_storage_vol(virConnectPtr conn, remote_nonnull_storage_vol vol);
static virSecretPtr get_nonnull_secret(virConnectPtr conn, remote_nonnull_secret secret);
static virNWFilterPtr get_nonnull_nwfilter(virConnectPtr conn, remote_nonnull_nwfilter nwfilter);
static virDomainSnapshotPtr get_nonnull_domain_snapshot(virDomainPtr dom, remote_nonnull_domain_snapshot snapshot);
static void make_nonnull_domain(remote_nonnull_domain *dom_dst, virDomainPtr dom_src);
static void make_nonnull_network(remote_nonnull_network *net_dst, virNetworkPtr net_src);
static void make_nonnull_interface(remote_nonnull_interface *interface_dst, virInterfacePtr interface_src);
static void make_nonnull_storage_pool(remote_nonnull_storage_pool *pool_dst, virStoragePoolPtr pool_src);
static void make_nonnull_storage_vol(remote_nonnull_storage_vol *vol_dst, virStorageVolPtr vol_src);
static void make_nonnull_node_device(remote_nonnull_node_device *dev_dst, virNodeDevicePtr dev_src);
static void make_nonnull_secret(remote_nonnull_secret *secret_dst, virSecretPtr secret_src);
static void make_nonnull_nwfilter(remote_nonnull_nwfilter *net_dst, virNWFilterPtr nwfilter_src);
static void make_nonnull_domain_snapshot(remote_nonnull_domain_snapshot *snapshot_dst, virDomainSnapshotPtr snapshot_src);
static virTypedParameterPtr
remoteDeserializeTypedParameters(remote_typed_param *args_params_val,
u_int args_params_len,
int limit,
int *nparams);
static int
remoteSerializeDomainDiskErrors(virDomainDiskErrorPtr errors,
int nerrors,
remote_domain_disk_error **ret_errors_val,
u_int *ret_errors_len);
#include "remote_dispatch.h"
#include "qemu_dispatch.h"
/* Prototypes */
static void
remoteDispatchDomainEventSend(virNetServerClientPtr client,
virNetServerProgramPtr program,
int procnr,
xdrproc_t proc,
void *data);
static int remoteRelayDomainEventLifecycle(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
int event,
int detail,
void *opaque)
{
virNetServerClientPtr client = opaque;
remote_domain_event_lifecycle_msg data;
if (!client)
return -1;
VIR_DEBUG("Relaying domain lifecycle event %d %d", event, detail);
/* build return data */
memset(&data, 0, sizeof(data));
make_nonnull_domain(&data.dom, dom);
data.event = event;
data.detail = detail;
remoteDispatchDomainEventSend(client, remoteProgram,
REMOTE_PROC_DOMAIN_EVENT_LIFECYCLE,
(xdrproc_t)xdr_remote_domain_event_lifecycle_msg, &data);
return 0;
}
static int remoteRelayDomainEventReboot(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
void *opaque)
{
virNetServerClientPtr client = opaque;
remote_domain_event_reboot_msg data;
if (!client)
return -1;
VIR_DEBUG("Relaying domain reboot event %s %d", dom->name, dom->id);
/* build return data */
memset(&data, 0, sizeof(data));
make_nonnull_domain(&data.dom, dom);
remoteDispatchDomainEventSend(client, remoteProgram,
REMOTE_PROC_DOMAIN_EVENT_REBOOT,
(xdrproc_t)xdr_remote_domain_event_reboot_msg, &data);
return 0;
}
static int remoteRelayDomainEventRTCChange(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
long long offset,
void *opaque)
{
virNetServerClientPtr client = opaque;
remote_domain_event_rtc_change_msg data;
if (!client)
return -1;
VIR_DEBUG("Relaying domain rtc change event %s %d %lld", dom->name, dom->id, offset);
/* build return data */
memset(&data, 0, sizeof(data));
make_nonnull_domain(&data.dom, dom);
data.offset = offset;
remoteDispatchDomainEventSend(client, remoteProgram,
REMOTE_PROC_DOMAIN_EVENT_RTC_CHANGE,
(xdrproc_t)xdr_remote_domain_event_rtc_change_msg, &data);
return 0;
}
static int remoteRelayDomainEventWatchdog(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
int action,
void *opaque)
{
virNetServerClientPtr client = opaque;
remote_domain_event_watchdog_msg data;
if (!client)
return -1;
VIR_DEBUG("Relaying domain watchdog event %s %d %d", dom->name, dom->id, action);
/* build return data */
memset(&data, 0, sizeof(data));
make_nonnull_domain(&data.dom, dom);
data.action = action;
remoteDispatchDomainEventSend(client, remoteProgram,
REMOTE_PROC_DOMAIN_EVENT_WATCHDOG,
(xdrproc_t)xdr_remote_domain_event_watchdog_msg, &data);
return 0;
}
static int remoteRelayDomainEventIOError(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
const char *srcPath,
const char *devAlias,
int action,
void *opaque)
{
virNetServerClientPtr client = opaque;
remote_domain_event_io_error_msg data;
if (!client)
return -1;
VIR_DEBUG("Relaying domain io error %s %d %s %s %d", dom->name, dom->id, srcPath, devAlias, action);
/* build return data */
memset(&data, 0, sizeof(data));
data.srcPath = strdup(srcPath);
if (data.srcPath == NULL)
goto mem_error;
data.devAlias = strdup(devAlias);
if (data.devAlias == NULL)
goto mem_error;
make_nonnull_domain(&data.dom, dom);
data.action = action;
remoteDispatchDomainEventSend(client, remoteProgram,
REMOTE_PROC_DOMAIN_EVENT_IO_ERROR,
(xdrproc_t)xdr_remote_domain_event_io_error_msg, &data);
return 0;
mem_error:
virReportOOMError();
VIR_FREE(data.srcPath);
VIR_FREE(data.devAlias);
return -1;
}
static int remoteRelayDomainEventIOErrorReason(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
const char *srcPath,
const char *devAlias,
int action,
const char *reason,
void *opaque)
{
virNetServerClientPtr client = opaque;
remote_domain_event_io_error_reason_msg data;
if (!client)
return -1;
VIR_DEBUG("Relaying domain io error %s %d %s %s %d %s",
dom->name, dom->id, srcPath, devAlias, action, reason);
/* build return data */
memset(&data, 0, sizeof(data));
data.srcPath = strdup(srcPath);
if (data.srcPath == NULL)
goto mem_error;
data.devAlias = strdup(devAlias);
if (data.devAlias == NULL)
goto mem_error;
data.action = action;
data.reason = strdup(reason);
if (data.reason == NULL)
goto mem_error;
make_nonnull_domain(&data.dom, dom);
remoteDispatchDomainEventSend(client, remoteProgram,
REMOTE_PROC_DOMAIN_EVENT_IO_ERROR_REASON,
(xdrproc_t)xdr_remote_domain_event_io_error_reason_msg, &data);
return 0;
mem_error:
virReportOOMError();
VIR_FREE(data.srcPath);
VIR_FREE(data.devAlias);
VIR_FREE(data.reason);
return -1;
}
static int remoteRelayDomainEventGraphics(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
int phase,
virDomainEventGraphicsAddressPtr local,
virDomainEventGraphicsAddressPtr remote,
const char *authScheme,
virDomainEventGraphicsSubjectPtr subject,
void *opaque)
{
virNetServerClientPtr client = opaque;
remote_domain_event_graphics_msg data;
int i;
if (!client)
return -1;
VIR_DEBUG("Relaying domain graphics event %s %d %d - %d %s %s - %d %s %s - %s", dom->name, dom->id, phase,
local->family, local->service, local->node,
remote->family, remote->service, remote->node,
authScheme);
VIR_DEBUG("Subject %d", subject->nidentity);
for (i = 0 ; i < subject->nidentity ; i++) {
VIR_DEBUG(" %s=%s", subject->identities[i].type, subject->identities[i].name);
}
/* build return data */
memset(&data, 0, sizeof(data));
data.phase = phase;
data.local.family = local->family;
data.remote.family = remote->family;
data.authScheme = strdup(authScheme);
if (data.authScheme == NULL)
goto mem_error;
data.local.node = strdup(local->node);
if (data.local.node == NULL)
goto mem_error;
data.local.service = strdup(local->service);
if (data.local.service == NULL)
goto mem_error;
data.remote.node = strdup(remote->node);
if (data.remote.node == NULL)
goto mem_error;
data.remote.service = strdup(remote->service);
if (data.remote.service == NULL)
goto mem_error;
data.subject.subject_len = subject->nidentity;
if (VIR_ALLOC_N(data.subject.subject_val, data.subject.subject_len) < 0)
goto mem_error;
for (i = 0 ; i < data.subject.subject_len ; i++) {
data.subject.subject_val[i].type = strdup(subject->identities[i].type);
if (data.subject.subject_val[i].type == NULL)
goto mem_error;
data.subject.subject_val[i].name = strdup(subject->identities[i].name);
if (data.subject.subject_val[i].name == NULL)
goto mem_error;
}
make_nonnull_domain(&data.dom, dom);
remoteDispatchDomainEventSend(client, remoteProgram,
REMOTE_PROC_DOMAIN_EVENT_GRAPHICS,
(xdrproc_t)xdr_remote_domain_event_graphics_msg, &data);
return 0;
mem_error:
virReportOOMError();
VIR_FREE(data.authScheme);
VIR_FREE(data.local.node);
VIR_FREE(data.local.service);
VIR_FREE(data.remote.node);
VIR_FREE(data.remote.service);
if (data.subject.subject_val != NULL) {
for (i = 0 ; i < data.subject.subject_len ; i++) {
VIR_FREE(data.subject.subject_val[i].type);
VIR_FREE(data.subject.subject_val[i].name);
}
VIR_FREE(data.subject.subject_val);
}
return -1;
}
static int remoteRelayDomainEventBlockJob(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
const char *path,
int type,
int status,
void *opaque)
{
virNetServerClientPtr client = opaque;
remote_domain_event_block_job_msg data;
if (!client)
return -1;
VIR_DEBUG("Relaying domain block job event %s %d %s %i, %i",
dom->name, dom->id, path, type, status);
/* build return data */
memset(&data, 0, sizeof(data));
data.path = strdup(path);
if (data.path == NULL)
goto mem_error;
data.type = type;
data.status = status;
make_nonnull_domain(&data.dom, dom);
remoteDispatchDomainEventSend(client, remoteProgram,
REMOTE_PROC_DOMAIN_EVENT_BLOCK_JOB,
(xdrproc_t)xdr_remote_domain_event_block_job_msg, &data);
return 0;
mem_error:
virReportOOMError();
VIR_FREE(data.path);
return -1;
}
static int remoteRelayDomainEventControlError(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
void *opaque)
{
virNetServerClientPtr client = opaque;
remote_domain_event_control_error_msg data;
if (!client)
return -1;
VIR_DEBUG("Relaying domain control error %s %d", dom->name, dom->id);
/* build return data */
memset(&data, 0, sizeof(data));
make_nonnull_domain(&data.dom, dom);
remoteDispatchDomainEventSend(client, remoteProgram,
REMOTE_PROC_DOMAIN_EVENT_CONTROL_ERROR,
(xdrproc_t)xdr_remote_domain_event_control_error_msg, &data);
return 0;
}
static int remoteRelayDomainEventDiskChange(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
const char *oldSrcPath,
const char *newSrcPath,
const char *devAlias,
int reason,
void *opaque)
{
virNetServerClientPtr client = opaque;
remote_domain_event_disk_change_msg data;
char **oldSrcPath_p = NULL, **newSrcPath_p = NULL;
if (!client)
return -1;
VIR_DEBUG("Relaying domain %s %d disk change %s %s %s %d",
dom->name, dom->id, oldSrcPath, newSrcPath, devAlias, reason);
/* build return data */
memset(&data, 0, sizeof(data));
if (oldSrcPath &&
((VIR_ALLOC(oldSrcPath_p) < 0) ||
!(*oldSrcPath_p = strdup(oldSrcPath))))
goto mem_error;
if (newSrcPath &&
((VIR_ALLOC(newSrcPath_p) < 0) ||
!(*newSrcPath_p = strdup(newSrcPath))))
goto mem_error;
data.oldSrcPath = oldSrcPath_p;
data.newSrcPath = newSrcPath_p;
if (!(data.devAlias = strdup(devAlias)))
goto mem_error;
data.reason = reason;
make_nonnull_domain(&data.dom, dom);
remoteDispatchDomainEventSend(client, remoteProgram,
REMOTE_PROC_DOMAIN_EVENT_DISK_CHANGE,
(xdrproc_t)xdr_remote_domain_event_disk_change_msg, &data);
return 0;
mem_error:
VIR_FREE(oldSrcPath_p);
VIR_FREE(newSrcPath_p);
virReportOOMError();
return -1;
}
static int remoteRelayDomainEventTrayChange(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
const char *devAlias,
int reason,
void *opaque) {
virNetServerClientPtr client = opaque;
remote_domain_event_tray_change_msg data;
if (!client)
return -1;
VIR_DEBUG("Relaying domain %s %d tray change devAlias: %s reason: %d",
dom->name, dom->id, devAlias, reason);
/* build return data */
memset(&data, 0, sizeof(data));
if (!(data.devAlias = strdup(devAlias))) {
virReportOOMError();
return -1;
}
data.reason = reason;
make_nonnull_domain(&data.dom, dom);
remoteDispatchDomainEventSend(client, remoteProgram,
REMOTE_PROC_DOMAIN_EVENT_TRAY_CHANGE,
(xdrproc_t)xdr_remote_domain_event_tray_change_msg, &data);
return 0;
}
static int remoteRelayDomainEventPMWakeup(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
void *opaque) {
virNetServerClientPtr client = opaque;
remote_domain_event_pmwakeup_msg data;
if (!client)
return -1;
VIR_DEBUG("Relaying domain %s %d system pmwakeup", dom->name, dom->id);
/* build return data */
memset(&data, 0, sizeof(data));
make_nonnull_domain(&data.dom, dom);
remoteDispatchDomainEventSend(client, remoteProgram,
REMOTE_PROC_DOMAIN_EVENT_PMWAKEUP,
(xdrproc_t)xdr_remote_domain_event_pmwakeup_msg, &data);
return 0;
}
static int remoteRelayDomainEventPMSuspend(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
void *opaque) {
virNetServerClientPtr client = opaque;
remote_domain_event_pmsuspend_msg data;
if (!client)
return -1;
VIR_DEBUG("Relaying domain %s %d system pmsuspend", dom->name, dom->id);
/* build return data */
memset(&data, 0, sizeof(data));
make_nonnull_domain(&data.dom, dom);
remoteDispatchDomainEventSend(client, remoteProgram,
REMOTE_PROC_DOMAIN_EVENT_PMSUSPEND,
(xdrproc_t)xdr_remote_domain_event_pmsuspend_msg, &data);
return 0;
}
static virConnectDomainEventGenericCallback domainEventCallbacks[] = {
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventLifecycle),
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventReboot),
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventRTCChange),
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventWatchdog),
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventIOError),
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventGraphics),
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventIOErrorReason),
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventControlError),
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventBlockJob),
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventDiskChange),
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventTrayChange),
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventPMWakeup),
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventPMSuspend),
};
verify(ARRAY_CARDINALITY(domainEventCallbacks) == VIR_DOMAIN_EVENT_ID_LAST);
/*
* You must hold lock for at least the client
* We don't free stuff here, merely disconnect the client's
* network socket & resources.
* We keep the libvirt connection open until any async
* jobs have finished, then clean it up elsewhere
*/
static void remoteClientFreeFunc(void *data)
{
struct daemonClientPrivate *priv = data;
/* Deregister event delivery callback */
if (priv->conn) {
int i;
for (i = 0 ; i < VIR_DOMAIN_EVENT_ID_LAST ; i++) {
if (priv->domainEventCallbackID[i] != -1) {
VIR_DEBUG("Deregistering to relay remote events %d", i);
virConnectDomainEventDeregisterAny(priv->conn,
priv->domainEventCallbackID[i]);
}
priv->domainEventCallbackID[i] = -1;
}
virConnectClose(priv->conn);
}
VIR_FREE(priv);
}
static void remoteClientCloseFunc(virNetServerClientPtr client)
{
struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);
daemonRemoveAllClientStreams(priv->streams);
}
int remoteClientInitHook(virNetServerPtr srv ATTRIBUTE_UNUSED,
virNetServerClientPtr client)
{
struct daemonClientPrivate *priv;
int i;
if (VIR_ALLOC(priv) < 0) {
virReportOOMError();
return -1;
}
if (virMutexInit(&priv->lock) < 0) {
VIR_FREE(priv);
virReportOOMError();
return -1;
}
for (i = 0 ; i < VIR_DOMAIN_EVENT_ID_LAST ; i++)
priv->domainEventCallbackID[i] = -1;
virNetServerClientSetPrivateData(client, priv,
remoteClientFreeFunc);
virNetServerClientSetCloseHook(client, remoteClientCloseFunc);
return 0;
}
/*----- Functions. -----*/
static int
remoteDispatchOpen(virNetServerPtr server,
virNetServerClientPtr client,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
struct remote_open_args *args)
{
const char *name;
unsigned int flags;
struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);
int rv = -1;
VIR_DEBUG("priv=%p conn=%p", priv, priv->conn);
virMutexLock(&priv->lock);
/* Already opened? */
if (priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection already open"));
goto cleanup;
}
if (virNetServerKeepAliveRequired(server) && !priv->keepalive_supported) {
virNetError(VIR_ERR_OPERATION_FAILED, "%s",
_("keepalive support is required to connect"));
goto cleanup;
}
name = args->name ? *args->name : NULL;
/* If this connection arrived on a readonly socket, force
* the connection to be readonly.
*/
flags = args->flags;
if (virNetServerClientGetReadonly(client))
flags |= VIR_CONNECT_RO;
priv->conn =
flags & VIR_CONNECT_RO
? virConnectOpenReadOnly(name)
: virConnectOpen(name);
if (priv->conn == NULL)
goto cleanup;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
virMutexUnlock(&priv->lock);
return rv;
}
static int
remoteDispatchClose(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED)
{
virNetServerClientDelayedClose(client);
return 0;
}
static int
remoteDispatchDomainGetSchedulerType(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_get_scheduler_type_args *args,
remote_domain_get_scheduler_type_ret *ret)
{
virDomainPtr dom = NULL;
char *type;
int nparams;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
if (!(type = virDomainGetSchedulerType(dom, &nparams)))
goto cleanup;
ret->type = type;
ret->nparams = nparams;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
if (dom)
virDomainFree(dom);
return rv;
}
/* Helper to serialize typed parameters. This also filters out any string
* parameters that must not be returned to older clients. */
static int
remoteSerializeTypedParameters(virTypedParameterPtr params,
int nparams,
remote_typed_param **ret_params_val,
u_int *ret_params_len,
unsigned int flags)
{
int i;
int j;
int rv = -1;
remote_typed_param *val;
*ret_params_len = nparams;
if (VIR_ALLOC_N(val, nparams) < 0) {
virReportOOMError();
goto cleanup;
}
for (i = 0, j = 0; i < nparams; ++i) {
/* virDomainGetCPUStats can return a sparse array; also, we
* can't pass back strings to older clients. */
if (!params[i].type ||
(!(flags & VIR_TYPED_PARAM_STRING_OKAY) &&
params[i].type == VIR_TYPED_PARAM_STRING)) {
--*ret_params_len;
continue;
}
/* remoteDispatchClientRequest will free this: */
val[j].field = strdup(params[i].field);
if (val[j].field == NULL) {
virReportOOMError();
goto cleanup;
}
val[j].value.type = params[i].type;
switch (params[i].type) {
case VIR_TYPED_PARAM_INT:
val[j].value.remote_typed_param_value_u.i = params[i].value.i;
break;
case VIR_TYPED_PARAM_UINT:
val[j].value.remote_typed_param_value_u.ui = params[i].value.ui;
break;
case VIR_TYPED_PARAM_LLONG:
val[j].value.remote_typed_param_value_u.l = params[i].value.l;
break;
case VIR_TYPED_PARAM_ULLONG:
val[j].value.remote_typed_param_value_u.ul = params[i].value.ul;
break;
case VIR_TYPED_PARAM_DOUBLE:
val[j].value.remote_typed_param_value_u.d = params[i].value.d;
break;
case VIR_TYPED_PARAM_BOOLEAN:
val[j].value.remote_typed_param_value_u.b = params[i].value.b;
break;
case VIR_TYPED_PARAM_STRING:
val[j].value.remote_typed_param_value_u.s =
strdup(params[i].value.s);
if (val[j].value.remote_typed_param_value_u.s == NULL) {
virReportOOMError();
goto cleanup;
}
break;
default:
virNetError(VIR_ERR_RPC, _("unknown parameter type: %d"),
params[i].type);
goto cleanup;
}
j++;
}
*ret_params_val = val;
val = NULL;
rv = 0;
cleanup:
if (val) {
for (i = 0; i < nparams; i++) {
VIR_FREE(val[i].field);
if (val[i].value.type == VIR_TYPED_PARAM_STRING)
VIR_FREE(val[i].value.remote_typed_param_value_u.s);
}
VIR_FREE(val);
}
return rv;
}
/* Helper to deserialize typed parameters. */
static virTypedParameterPtr
remoteDeserializeTypedParameters(remote_typed_param *args_params_val,
u_int args_params_len,
int limit,
int *nparams)
{
int i = 0;
int rv = -1;
virTypedParameterPtr params = NULL;
/* Check the length of the returned list carefully. */
if (args_params_len > limit) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
goto cleanup;
}
if (VIR_ALLOC_N(params, args_params_len) < 0) {
virReportOOMError();
goto cleanup;
}
*nparams = args_params_len;
/* Deserialise the result. */
for (i = 0; i < args_params_len; ++i) {
if (virStrcpyStatic(params[i].field,
args_params_val[i].field) == NULL) {
virNetError(VIR_ERR_INTERNAL_ERROR,
_("Parameter %s too big for destination"),
args_params_val[i].field);
goto cleanup;
}
params[i].type = args_params_val[i].value.type;
switch (params[i].type) {
case VIR_TYPED_PARAM_INT:
params[i].value.i =
args_params_val[i].value.remote_typed_param_value_u.i;
break;
case VIR_TYPED_PARAM_UINT:
params[i].value.ui =
args_params_val[i].value.remote_typed_param_value_u.ui;
break;
case VIR_TYPED_PARAM_LLONG:
params[i].value.l =
args_params_val[i].value.remote_typed_param_value_u.l;
break;
case VIR_TYPED_PARAM_ULLONG:
params[i].value.ul =
args_params_val[i].value.remote_typed_param_value_u.ul;
break;
case VIR_TYPED_PARAM_DOUBLE:
params[i].value.d =
args_params_val[i].value.remote_typed_param_value_u.d;
break;
case VIR_TYPED_PARAM_BOOLEAN:
params[i].value.b =
args_params_val[i].value.remote_typed_param_value_u.b;
break;
case VIR_TYPED_PARAM_STRING:
params[i].value.s =
strdup(args_params_val[i].value.remote_typed_param_value_u.s);
if (params[i].value.s == NULL) {
virReportOOMError();
goto cleanup;
}
break;
default:
virNetError(VIR_ERR_INTERNAL_ERROR, _("unknown parameter type: %d"),
params[i].type);
goto cleanup;
}
}
rv = 0;
cleanup:
if (rv < 0) {
virTypedParameterArrayClear(params, i);
VIR_FREE(params);
}
return params;
}
static int
remoteDispatchDomainGetSchedulerParameters(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_get_scheduler_parameters_args *args,
remote_domain_get_scheduler_parameters_ret *ret)
{
virDomainPtr dom = NULL;
virTypedParameterPtr params = NULL;
int nparams = args->nparams;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (nparams > REMOTE_DOMAIN_SCHEDULER_PARAMETERS_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
goto cleanup;
}
if (VIR_ALLOC_N(params, nparams) < 0)
goto no_memory;
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
if (virDomainGetSchedulerParameters(dom, params, &nparams) < 0)
goto cleanup;
if (remoteSerializeTypedParameters(params, nparams,
&ret->params.params_val,
&ret->params.params_len,
0) < 0)
goto cleanup;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
virTypedParameterArrayClear(params, nparams);
VIR_FREE(params);
if (dom)
virDomainFree(dom);
return rv;
no_memory:
virReportOOMError();
goto cleanup;
}
static int
remoteDispatchDomainGetSchedulerParametersFlags(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_get_scheduler_parameters_flags_args *args,
remote_domain_get_scheduler_parameters_flags_ret *ret)
{
virDomainPtr dom = NULL;
virTypedParameterPtr params = NULL;
int nparams = args->nparams;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (nparams > REMOTE_DOMAIN_SCHEDULER_PARAMETERS_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
goto cleanup;
}
if (VIR_ALLOC_N(params, nparams) < 0)
goto no_memory;
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
if (virDomainGetSchedulerParametersFlags(dom, params, &nparams,
args->flags) < 0)
goto cleanup;
if (remoteSerializeTypedParameters(params, nparams,
&ret->params.params_val,
&ret->params.params_len,
args->flags) < 0)
goto cleanup;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
virTypedParameterArrayClear(params, nparams);
VIR_FREE(params);
if (dom)
virDomainFree(dom);
return rv;
no_memory:
virReportOOMError();
goto cleanup;
}
static int
remoteDispatchDomainMemoryStats(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_memory_stats_args *args,
remote_domain_memory_stats_ret *ret)
{
virDomainPtr dom = NULL;
struct _virDomainMemoryStat *stats;
int nr_stats, i;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (args->maxStats > REMOTE_DOMAIN_MEMORY_STATS_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s",
_("maxStats > REMOTE_DOMAIN_MEMORY_STATS_MAX"));
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
/* Allocate stats array for making dispatch call */
if (VIR_ALLOC_N(stats, args->maxStats) < 0) {
virReportOOMError();
goto cleanup;
}
nr_stats = virDomainMemoryStats(dom, stats, args->maxStats, args->flags);
if (nr_stats < 0)
goto cleanup;
/* Allocate return buffer */
if (VIR_ALLOC_N(ret->stats.stats_val, args->maxStats) < 0) {
virReportOOMError();
goto cleanup;
}
/* Copy the stats into the xdr return structure */
for (i = 0; i < nr_stats; i++) {
ret->stats.stats_val[i].tag = stats[i].tag;
ret->stats.stats_val[i].val = stats[i].val;
}
ret->stats.stats_len = nr_stats;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
if (dom)
virDomainFree(dom);
VIR_FREE(stats);
return rv;
}
static int
remoteDispatchDomainBlockPeek(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_block_peek_args *args,
remote_domain_block_peek_ret *ret)
{
virDomainPtr dom = NULL;
char *path;
unsigned long long offset;
size_t size;
unsigned int flags;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
path = args->path;
offset = args->offset;
size = args->size;
flags = args->flags;
if (size > REMOTE_DOMAIN_BLOCK_PEEK_BUFFER_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR,
"%s", _("size > maximum buffer size"));
goto cleanup;
}
ret->buffer.buffer_len = size;
if (VIR_ALLOC_N(ret->buffer.buffer_val, size) < 0) {
virReportOOMError();
goto cleanup;
}
if (virDomainBlockPeek(dom, path, offset, size,
ret->buffer.buffer_val, flags) < 0)
goto cleanup;
rv = 0;
cleanup:
if (rv < 0) {
virNetMessageSaveError(rerr);
VIR_FREE(ret->buffer.buffer_val);
}
if (dom)
virDomainFree(dom);
return rv;
}
static int
remoteDispatchDomainBlockStatsFlags(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_block_stats_flags_args *args,
remote_domain_block_stats_flags_ret *ret)
{
virTypedParameterPtr params = NULL;
virDomainPtr dom = NULL;
const char *path = args->path;
int nparams = args->nparams;
unsigned int flags;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
flags = args->flags;
if (nparams > REMOTE_DOMAIN_BLOCK_STATS_PARAMETERS_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
goto cleanup;
}
if (VIR_ALLOC_N(params, nparams) < 0) {
virReportOOMError();
goto cleanup;
}
if (virDomainBlockStatsFlags(dom, path, params, &nparams, flags) < 0)
goto cleanup;
/* In this case, we need to send back the number of parameters
* supported
*/
if (args->nparams == 0) {
ret->nparams = nparams;
goto success;
}
/* Serialise the block stats. */
if (remoteSerializeTypedParameters(params, nparams,
&ret->params.params_val,
&ret->params.params_len,
args->flags) < 0)
goto cleanup;
success:
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
virTypedParameterArrayClear(params, nparams);
VIR_FREE(params);
if (dom)
virDomainFree(dom);
return rv;
}
static int
remoteDispatchDomainMemoryPeek(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_memory_peek_args *args,
remote_domain_memory_peek_ret *ret)
{
virDomainPtr dom = NULL;
unsigned long long offset;
size_t size;
unsigned int flags;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
offset = args->offset;
size = args->size;
flags = args->flags;
if (size > REMOTE_DOMAIN_MEMORY_PEEK_BUFFER_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR,
"%s", _("size > maximum buffer size"));
goto cleanup;
}
ret->buffer.buffer_len = size;
if (VIR_ALLOC_N(ret->buffer.buffer_val, size) < 0) {
virReportOOMError();
goto cleanup;
}
if (virDomainMemoryPeek(dom, offset, size,
ret->buffer.buffer_val, flags) < 0)
goto cleanup;
rv = 0;
cleanup:
if (rv < 0) {
virNetMessageSaveError(rerr);
VIR_FREE(ret->buffer.buffer_val);
}
if (dom)
virDomainFree(dom);
return rv;
}
static int
remoteDispatchDomainGetSecurityLabel(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_get_security_label_args *args,
remote_domain_get_security_label_ret *ret)
{
virDomainPtr dom = NULL;
virSecurityLabelPtr seclabel = NULL;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
if (VIR_ALLOC(seclabel) < 0) {
virReportOOMError();
goto cleanup;
}
if (virDomainGetSecurityLabel(dom, seclabel) < 0)
goto cleanup;
ret->label.label_len = strlen(seclabel->label) + 1;
if (VIR_ALLOC_N(ret->label.label_val, ret->label.label_len) < 0) {
virReportOOMError();
goto cleanup;
}
strcpy(ret->label.label_val, seclabel->label);
ret->enforcing = seclabel->enforcing;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
if (dom)
virDomainFree(dom);
VIR_FREE(seclabel);
return rv;
}
static int
remoteDispatchNodeGetSecurityModel(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_node_get_security_model_ret *ret)
{
virSecurityModel secmodel;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
memset(&secmodel, 0, sizeof(secmodel));
if (virNodeGetSecurityModel(priv->conn, &secmodel) < 0)
goto cleanup;
ret->model.model_len = strlen(secmodel.model) + 1;
if (VIR_ALLOC_N(ret->model.model_val, ret->model.model_len) < 0) {
virReportOOMError();
goto cleanup;
}
strcpy(ret->model.model_val, secmodel.model);
ret->doi.doi_len = strlen(secmodel.doi) + 1;
if (VIR_ALLOC_N(ret->doi.doi_val, ret->doi.doi_len) < 0) {
virReportOOMError();
goto cleanup;
}
strcpy(ret->doi.doi_val, secmodel.doi);
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
return rv;
}
static int
remoteDispatchDomainGetVcpuPinInfo(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_get_vcpu_pin_info_args *args,
remote_domain_get_vcpu_pin_info_ret *ret)
{
virDomainPtr dom = NULL;
unsigned char *cpumaps = NULL;
int num;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
if (args->ncpumaps > REMOTE_VCPUINFO_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("ncpumaps > REMOTE_VCPUINFO_MAX"));
goto cleanup;
}
if (INT_MULTIPLY_OVERFLOW(args->ncpumaps, args->maplen) ||
args->ncpumaps * args->maplen > REMOTE_CPUMAPS_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("maxinfo * maplen > REMOTE_CPUMAPS_MAX"));
goto cleanup;
}
/* Allocate buffers to take the results. */
if (args->maplen > 0 &&
VIR_ALLOC_N(cpumaps, args->ncpumaps * args->maplen) < 0)
goto no_memory;
if ((num = virDomainGetVcpuPinInfo(dom,
args->ncpumaps,
cpumaps,
args->maplen,
args->flags)) < 0)
goto cleanup;
ret->num = num;
/* Don't need to allocate/copy the cpumaps if we make the reasonable
* assumption that unsigned char and char are the same size.
* Note that remoteDispatchClientRequest will free.
*/
ret->cpumaps.cpumaps_len = args->ncpumaps * args->maplen;
ret->cpumaps.cpumaps_val = (char *) cpumaps;
cpumaps = NULL;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
VIR_FREE(cpumaps);
if (dom)
virDomainFree(dom);
return rv;
no_memory:
virReportOOMError();
goto cleanup;
}
static int
remoteDispatchDomainGetVcpus(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_get_vcpus_args *args,
remote_domain_get_vcpus_ret *ret)
{
virDomainPtr dom = NULL;
virVcpuInfoPtr info = NULL;
unsigned char *cpumaps = NULL;
int info_len, i;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
if (args->maxinfo > REMOTE_VCPUINFO_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("maxinfo > REMOTE_VCPUINFO_MAX"));
goto cleanup;
}
if (INT_MULTIPLY_OVERFLOW(args->maxinfo, args->maplen) ||
args->maxinfo * args->maplen > REMOTE_CPUMAPS_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("maxinfo * maplen > REMOTE_CPUMAPS_MAX"));
goto cleanup;
}
/* Allocate buffers to take the results. */
if (VIR_ALLOC_N(info, args->maxinfo) < 0)
goto no_memory;
if (args->maplen > 0 &&
VIR_ALLOC_N(cpumaps, args->maxinfo * args->maplen) < 0)
goto no_memory;
if ((info_len = virDomainGetVcpus(dom,
info, args->maxinfo,
cpumaps, args->maplen)) < 0)
goto cleanup;
/* Allocate the return buffer for info. */
ret->info.info_len = info_len;
if (VIR_ALLOC_N(ret->info.info_val, info_len) < 0)
goto no_memory;
for (i = 0; i < info_len; ++i) {
ret->info.info_val[i].number = info[i].number;
ret->info.info_val[i].state = info[i].state;
ret->info.info_val[i].cpu_time = info[i].cpuTime;
ret->info.info_val[i].cpu = info[i].cpu;
}
/* Don't need to allocate/copy the cpumaps if we make the reasonable
* assumption that unsigned char and char are the same size.
* Note that remoteDispatchClientRequest will free.
*/
ret->cpumaps.cpumaps_len = args->maxinfo * args->maplen;
ret->cpumaps.cpumaps_val = (char *) cpumaps;
cpumaps = NULL;
rv = 0;
cleanup:
if (rv < 0) {
virNetMessageSaveError(rerr);
VIR_FREE(ret->info.info_val);
}
VIR_FREE(cpumaps);
VIR_FREE(info);
if (dom)
virDomainFree(dom);
return rv;
no_memory:
virReportOOMError();
goto cleanup;
}
static int
remoteDispatchDomainMigratePrepare(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_migrate_prepare_args *args,
remote_domain_migrate_prepare_ret *ret)
{
char *cookie = NULL;
int cookielen = 0;
char *uri_in;
char **uri_out;
char *dname;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
uri_in = args->uri_in == NULL ? NULL : *args->uri_in;
dname = args->dname == NULL ? NULL : *args->dname;
/* Wacky world of XDR ... */
if (VIR_ALLOC(uri_out) < 0) {
virReportOOMError();
goto cleanup;
}
if (virDomainMigratePrepare(priv->conn, &cookie, &cookielen,
uri_in, uri_out,
args->flags, dname, args->resource) < 0)
goto cleanup;
/* remoteDispatchClientRequest will free cookie, uri_out and
* the string if there is one.
*/
ret->cookie.cookie_len = cookielen;
ret->cookie.cookie_val = cookie;
if (*uri_out == NULL) {
ret->uri_out = NULL;
} else {
ret->uri_out = uri_out;
uri_out = NULL;
}
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
VIR_FREE(uri_out);
return rv;
}
static int
remoteDispatchDomainMigratePrepare2(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_migrate_prepare2_args *args,
remote_domain_migrate_prepare2_ret *ret)
{
char *cookie = NULL;
int cookielen = 0;
char *uri_in;
char **uri_out;
char *dname;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
uri_in = args->uri_in == NULL ? NULL : *args->uri_in;
dname = args->dname == NULL ? NULL : *args->dname;
/* Wacky world of XDR ... */
if (VIR_ALLOC(uri_out) < 0) {
virReportOOMError();
goto cleanup;
}
if (virDomainMigratePrepare2(priv->conn, &cookie, &cookielen,
uri_in, uri_out,
args->flags, dname, args->resource,
args->dom_xml) < 0)
goto cleanup;
/* remoteDispatchClientRequest will free cookie, uri_out and
* the string if there is one.
*/
ret->cookie.cookie_len = cookielen;
ret->cookie.cookie_val = cookie;
ret->uri_out = *uri_out == NULL ? NULL : uri_out;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
return rv;
}
static int
remoteDispatchDomainGetMemoryParameters(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_get_memory_parameters_args *args,
remote_domain_get_memory_parameters_ret *ret)
{
virDomainPtr dom = NULL;
virTypedParameterPtr params = NULL;
int nparams = args->nparams;
unsigned int flags;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
flags = args->flags;
if (nparams > REMOTE_DOMAIN_MEMORY_PARAMETERS_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
goto cleanup;
}
if (VIR_ALLOC_N(params, nparams) < 0) {
virReportOOMError();
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
if (virDomainGetMemoryParameters(dom, params, &nparams, flags) < 0)
goto cleanup;
/* In this case, we need to send back the number of parameters
* supported
*/
if (args->nparams == 0) {
ret->nparams = nparams;
goto success;
}
if (remoteSerializeTypedParameters(params, nparams,
&ret->params.params_val,
&ret->params.params_len,
args->flags) < 0)
goto cleanup;
success:
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
virTypedParameterArrayClear(params, nparams);
VIR_FREE(params);
if (dom)
virDomainFree(dom);
return rv;
}
static int
remoteDispatchDomainGetNumaParameters(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_get_numa_parameters_args *args,
remote_domain_get_numa_parameters_ret *ret)
{
virDomainPtr dom = NULL;
virTypedParameterPtr params = NULL;
int nparams = args->nparams;
unsigned int flags;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
flags = args->flags;
if (nparams > REMOTE_DOMAIN_NUMA_PARAMETERS_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
goto cleanup;
}
if (VIR_ALLOC_N(params, nparams) < 0) {
virReportOOMError();
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
if (virDomainGetNumaParameters(dom, params, &nparams, flags) < 0)
goto cleanup;
/* In this case, we need to send back the number of parameters
* supported
*/
if (args->nparams == 0) {
ret->nparams = nparams;
goto success;
}
if (remoteSerializeTypedParameters(params, nparams,
&ret->params.params_val,
&ret->params.params_len,
flags) < 0)
goto cleanup;
success:
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
virTypedParameterArrayClear(params, nparams);
VIR_FREE(params);
if (dom)
virDomainFree(dom);
return rv;
}
static int
remoteDispatchDomainGetBlkioParameters(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_get_blkio_parameters_args *args,
remote_domain_get_blkio_parameters_ret *ret)
{
virDomainPtr dom = NULL;
virTypedParameterPtr params = NULL;
int nparams = args->nparams;
unsigned int flags;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
flags = args->flags;
if (nparams > REMOTE_DOMAIN_BLKIO_PARAMETERS_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
goto cleanup;
}
if (VIR_ALLOC_N(params, nparams) < 0) {
virReportOOMError();
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
if (virDomainGetBlkioParameters(dom, params, &nparams, flags) < 0)
goto cleanup;
/* In this case, we need to send back the number of parameters
* supported
*/
if (args->nparams == 0) {
ret->nparams = nparams;
goto success;
}
if (remoteSerializeTypedParameters(params, nparams,
&ret->params.params_val,
&ret->params.params_len,
args->flags) < 0)
goto cleanup;
success:
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
virTypedParameterArrayClear(params, nparams);
VIR_FREE(params);
if (dom)
virDomainFree(dom);
return rv;
}
static int
remoteDispatchNodeGetCPUStats(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_node_get_cpu_stats_args *args,
remote_node_get_cpu_stats_ret *ret)
{
virNodeCPUStatsPtr params = NULL;
int i;
int cpuNum = args->cpuNum;
int nparams = args->nparams;
unsigned int flags;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
flags = args->flags;
if (nparams > REMOTE_NODE_CPU_STATS_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
goto cleanup;
}
if (VIR_ALLOC_N(params, nparams) < 0) {
virReportOOMError();
goto cleanup;
}
if (virNodeGetCPUStats(priv->conn, cpuNum, params, &nparams, flags) < 0)
goto cleanup;
/* In this case, we need to send back the number of stats
* supported
*/
if (args->nparams == 0) {
ret->nparams = nparams;
goto success;
}
/* Serialise the memory parameters. */
ret->params.params_len = nparams;
if (VIR_ALLOC_N(ret->params.params_val, nparams) < 0)
goto no_memory;
for (i = 0; i < nparams; ++i) {
/* remoteDispatchClientRequest will free this: */
ret->params.params_val[i].field = strdup(params[i].field);
if (ret->params.params_val[i].field == NULL)
goto no_memory;
ret->params.params_val[i].value = params[i].value;
}
success:
rv = 0;
cleanup:
if (rv < 0) {
virNetMessageSaveError(rerr);
if (ret->params.params_val) {
for (i = 0; i < nparams; i++)
VIR_FREE(ret->params.params_val[i].field);
VIR_FREE(ret->params.params_val);
}
}
VIR_FREE(params);
return rv;
no_memory:
virReportOOMError();
goto cleanup;
}
static int
remoteDispatchNodeGetMemoryStats(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_node_get_memory_stats_args *args,
remote_node_get_memory_stats_ret *ret)
{
virNodeMemoryStatsPtr params = NULL;
int i;
int cellNum = args->cellNum;
int nparams = args->nparams;
unsigned int flags;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
flags = args->flags;
if (nparams > REMOTE_NODE_MEMORY_STATS_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
goto cleanup;
}
if (VIR_ALLOC_N(params, nparams) < 0) {
virReportOOMError();
goto cleanup;
}
if (virNodeGetMemoryStats(priv->conn, cellNum, params, &nparams, flags) < 0)
goto cleanup;
/* In this case, we need to send back the number of parameters
* supported
*/
if (args->nparams == 0) {
ret->nparams = nparams;
goto success;
}
/* Serialise the memory parameters. */
ret->params.params_len = nparams;
if (VIR_ALLOC_N(ret->params.params_val, nparams) < 0)
goto no_memory;
for (i = 0; i < nparams; ++i) {
/* remoteDispatchClientRequest will free this: */
ret->params.params_val[i].field = strdup(params[i].field);
if (ret->params.params_val[i].field == NULL)
goto no_memory;
ret->params.params_val[i].value = params[i].value;
}
success:
rv = 0;
cleanup:
if (rv < 0) {
virNetMessageSaveError(rerr);
if (ret->params.params_val) {
for (i = 0; i < nparams; i++)
VIR_FREE(ret->params.params_val[i].field);
VIR_FREE(ret->params.params_val);
}
}
VIR_FREE(params);
return rv;
no_memory:
virReportOOMError();
goto cleanup;
}
static int
remoteDispatchDomainGetBlockJobInfo(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_get_block_job_info_args *args,
remote_domain_get_block_job_info_ret *ret)
{
virDomainPtr dom = NULL;
virDomainBlockJobInfo tmp;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
rv = virDomainGetBlockJobInfo(dom, args->path, &tmp, args->flags);
if (rv <= 0)
goto cleanup;
ret->type = tmp.type;
ret->bandwidth = tmp.bandwidth;
ret->cur = tmp.cur;
ret->end = tmp.end;
ret->found = 1;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
if (dom)
virDomainFree(dom);
return rv;
}
static int
remoteDispatchDomainGetBlockIoTune(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr hdr ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_get_block_io_tune_args *args,
remote_domain_get_block_io_tune_ret *ret)
{
virDomainPtr dom = NULL;
int rv = -1;
virTypedParameterPtr params = NULL;
int nparams = args->nparams;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (nparams > REMOTE_DOMAIN_BLOCK_IO_TUNE_PARAMETERS_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
goto cleanup;
}
if (VIR_ALLOC_N(params, nparams) < 0) {
virReportOOMError();
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
if (virDomainGetBlockIoTune(dom, args->disk ? *args->disk : NULL,
params, &nparams, args->flags) < 0)
goto cleanup;
/* In this case, we need to send back the number of parameters
* supported
*/
if (args->nparams == 0) {
ret->nparams = nparams;
goto success;
}
/* Serialise the block I/O tuning parameters. */
if (remoteSerializeTypedParameters(params, nparams,
&ret->params.params_val,
&ret->params.params_len,
args->flags) < 0)
goto cleanup;
success:
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
virTypedParameterArrayClear(params, nparams);
VIR_FREE(params);
if (dom)
virDomainFree(dom);
return rv;
}
/*-------------------------------------------------------------*/
static int
remoteDispatchAuthList(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_auth_list_ret *ret)
{
int rv = -1;
int auth = virNetServerClientGetAuth(client);
uid_t callerUid;
gid_t callerGid;
pid_t callerPid;
/* If the client is root then we want to bypass the
* policykit auth to avoid root being denied if
* some piece of polkit isn't present/running
*/
if (auth == VIR_NET_SERVER_SERVICE_AUTH_POLKIT) {
if (virNetServerClientGetUNIXIdentity(client, &callerUid, &callerGid,
&callerPid) < 0) {
/* Don't do anything on error - it'll be validated at next
* phase of auth anyway */
virResetLastError();
} else if (callerUid == 0) {
char *ident;
if (virAsprintf(&ident, "pid:%lld,uid:%d",
(long long) callerPid, callerUid) < 0) {
virReportOOMError();
goto cleanup;
}
VIR_INFO("Bypass polkit auth for privileged client %s", ident);
if (virNetServerClientSetIdentity(client, ident) < 0)
virResetLastError();
else
auth = VIR_NET_SERVER_SERVICE_AUTH_NONE;
VIR_FREE(ident);
}
}
ret->types.types_len = 1;
if (VIR_ALLOC_N(ret->types.types_val, ret->types.types_len) < 0) {
virReportOOMError();
goto cleanup;
}
switch (auth) {
case VIR_NET_SERVER_SERVICE_AUTH_NONE:
ret->types.types_val[0] = REMOTE_AUTH_NONE;
break;
case VIR_NET_SERVER_SERVICE_AUTH_POLKIT:
ret->types.types_val[0] = REMOTE_AUTH_POLKIT;
break;
case VIR_NET_SERVER_SERVICE_AUTH_SASL:
ret->types.types_val[0] = REMOTE_AUTH_SASL;
break;
default:
ret->types.types_val[0] = REMOTE_AUTH_NONE;
}
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
return rv;
}
#ifdef HAVE_SASL
/*
* Initializes the SASL session in prepare for authentication
* and gives the client a list of allowed mechanisms to choose
*/
static int
remoteDispatchAuthSaslInit(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_auth_sasl_init_ret *ret)
{
virNetSASLSessionPtr sasl = NULL;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
virMutexLock(&priv->lock);
VIR_DEBUG("Initialize SASL auth %d", virNetServerClientGetFD(client));
if (virNetServerClientGetAuth(client) != VIR_NET_SERVER_SERVICE_AUTH_SASL ||
priv->sasl != NULL) {
VIR_ERROR(_("client tried invalid SASL init request"));
goto authfail;
}
sasl = virNetSASLSessionNewServer(saslCtxt,
"libvirt",
virNetServerClientLocalAddrString(client),
virNetServerClientRemoteAddrString(client));
if (!sasl)
goto authfail;
/* Inform SASL that we've got an external SSF layer from TLS */
if (virNetServerClientHasTLSSession(client)) {
int ssf;
if ((ssf = virNetServerClientGetTLSKeySize(client)) < 0)
goto authfail;
ssf *= 8; /* key size is bytes, sasl wants bits */
VIR_DEBUG("Setting external SSF %d", ssf);
if (virNetSASLSessionExtKeySize(sasl, ssf) < 0)
goto authfail;
}
if (virNetServerClientIsSecure(client))
/* If we've got TLS or UNIX domain sock, we don't care about SSF */
virNetSASLSessionSecProps(sasl, 0, 0, true);
else
/* Plain TCP, better get an SSF layer */
virNetSASLSessionSecProps(sasl,
56, /* Good enough to require kerberos */
100000, /* Arbitrary big number */
false); /* No anonymous */
if (!(ret->mechlist = virNetSASLSessionListMechanisms(sasl)))
goto authfail;
VIR_DEBUG("Available mechanisms for client: '%s'", ret->mechlist);
priv->sasl = sasl;
virMutexUnlock(&priv->lock);
return 0;
authfail:
virResetLastError();
virNetError(VIR_ERR_AUTH_FAILED, "%s",
_("authentication failed"));
virNetMessageSaveError(rerr);
PROBE(RPC_SERVER_CLIENT_AUTH_FAIL,
"client=%p auth=%d",
client, REMOTE_AUTH_SASL);
virNetSASLSessionFree(sasl);
virMutexUnlock(&priv->lock);
return -1;
}
/*
* Returns 0 if ok, -1 on error, -2 if rejected
*/
static int
remoteSASLFinish(virNetServerClientPtr client)
{
const char *identity;
struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);
int ssf;
/* TLS or UNIX domain sockets trivially OK */
if (!virNetServerClientIsSecure(client)) {
if ((ssf = virNetSASLSessionGetKeySize(priv->sasl)) < 0)
goto error;
VIR_DEBUG("negotiated an SSF of %d", ssf);
if (ssf < 56) { /* 56 is good for Kerberos */
VIR_ERROR(_("negotiated SSF %d was not strong enough"), ssf);
return -2;
}
}
if (!(identity = virNetSASLSessionGetIdentity(priv->sasl)))
return -2;
if (!virNetSASLContextCheckIdentity(saslCtxt, identity))
return -2;
if (virNetServerClientSetIdentity(client, identity) < 0)
goto error;
virNetServerClientSetSASLSession(client, priv->sasl);
VIR_DEBUG("Authentication successful %d", virNetServerClientGetFD(client));
PROBE(RPC_SERVER_CLIENT_AUTH_ALLOW,
"client=%p auth=%d identity=%s",
client, REMOTE_AUTH_SASL, identity);
virNetSASLSessionFree(priv->sasl);
priv->sasl = NULL;
return 0;
error:
return -1;
}
/*
* This starts the SASL authentication negotiation.
*/
static int
remoteDispatchAuthSaslStart(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_auth_sasl_start_args *args,
remote_auth_sasl_start_ret *ret)
{
const char *serverout;
size_t serveroutlen;
int err;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
const char *identity;
virMutexLock(&priv->lock);
VIR_DEBUG("Start SASL auth %d", virNetServerClientGetFD(client));
if (virNetServerClientGetAuth(client) != VIR_NET_SERVER_SERVICE_AUTH_SASL ||
priv->sasl == NULL) {
VIR_ERROR(_("client tried invalid SASL start request"));
goto authfail;
}
VIR_DEBUG("Using SASL mechanism %s. Data %d bytes, nil: %d",
args->mech, args->data.data_len, args->nil);
err = virNetSASLSessionServerStart(priv->sasl,
args->mech,
/* NB, distinction of NULL vs "" is *critical* in SASL */
args->nil ? NULL : args->data.data_val,
args->data.data_len,
&serverout,
&serveroutlen);
if (err != VIR_NET_SASL_COMPLETE &&
err != VIR_NET_SASL_CONTINUE)
goto authfail;
if (serveroutlen > REMOTE_AUTH_SASL_DATA_MAX) {
VIR_ERROR(_("sasl start reply data too long %d"), (int)serveroutlen);
goto authfail;
}
/* NB, distinction of NULL vs "" is *critical* in SASL */
if (serverout) {
if (VIR_ALLOC_N(ret->data.data_val, serveroutlen) < 0)
goto authfail;
memcpy(ret->data.data_val, serverout, serveroutlen);
} else {
ret->data.data_val = NULL;
}
ret->nil = serverout ? 0 : 1;
ret->data.data_len = serveroutlen;
VIR_DEBUG("SASL return data %d bytes, nil; %d", ret->data.data_len, ret->nil);
if (err == VIR_NET_SASL_CONTINUE) {
ret->complete = 0;
} else {
/* Check username whitelist ACL */
if ((err = remoteSASLFinish(client)) < 0) {
if (err == -2)
goto authdeny;
else
goto authfail;
}
ret->complete = 1;
}
virMutexUnlock(&priv->lock);
return 0;
authfail:
PROBE(RPC_SERVER_CLIENT_AUTH_FAIL,
"client=%p auth=%d",
client, REMOTE_AUTH_SASL);
goto error;
authdeny:
identity = virNetSASLSessionGetIdentity(priv->sasl);
PROBE(RPC_SERVER_CLIENT_AUTH_DENY,
"client=%p auth=%d identity=%s",
client, REMOTE_AUTH_SASL, identity);
goto error;
error:
virNetSASLSessionFree(priv->sasl);
priv->sasl = NULL;
virResetLastError();
virNetError(VIR_ERR_AUTH_FAILED, "%s",
_("authentication failed"));
if (rv < 0)
virNetMessageSaveError(rerr);
virMutexUnlock(&priv->lock);
return -1;
}
static int
remoteDispatchAuthSaslStep(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_auth_sasl_step_args *args,
remote_auth_sasl_step_ret *ret)
{
const char *serverout;
size_t serveroutlen;
int err;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
const char *identity;
virMutexLock(&priv->lock);
VIR_DEBUG("Step SASL auth %d", virNetServerClientGetFD(client));
if (virNetServerClientGetAuth(client) != VIR_NET_SERVER_SERVICE_AUTH_SASL ||
priv->sasl == NULL) {
VIR_ERROR(_("client tried invalid SASL start request"));
goto authfail;
}
VIR_DEBUG("Step using SASL Data %d bytes, nil: %d",
args->data.data_len, args->nil);
err = virNetSASLSessionServerStep(priv->sasl,
/* NB, distinction of NULL vs "" is *critical* in SASL */
args->nil ? NULL : args->data.data_val,
args->data.data_len,
&serverout,
&serveroutlen);
if (err != VIR_NET_SASL_COMPLETE &&
err != VIR_NET_SASL_CONTINUE)
goto authfail;
if (serveroutlen > REMOTE_AUTH_SASL_DATA_MAX) {
VIR_ERROR(_("sasl step reply data too long %d"),
(int)serveroutlen);
goto authfail;
}
/* NB, distinction of NULL vs "" is *critical* in SASL */
if (serverout) {
if (VIR_ALLOC_N(ret->data.data_val, serveroutlen) < 0)
goto authfail;
memcpy(ret->data.data_val, serverout, serveroutlen);
} else {
ret->data.data_val = NULL;
}
ret->nil = serverout ? 0 : 1;
ret->data.data_len = serveroutlen;
VIR_DEBUG("SASL return data %d bytes, nil; %d", ret->data.data_len, ret->nil);
if (err == VIR_NET_SASL_CONTINUE) {
ret->complete = 0;
} else {
/* Check username whitelist ACL */
if ((err = remoteSASLFinish(client)) < 0) {
if (err == -2)
goto authdeny;
else
goto authfail;
}
ret->complete = 1;
}
virMutexUnlock(&priv->lock);
return 0;
authfail:
PROBE(RPC_SERVER_CLIENT_AUTH_FAIL,
"client=%p auth=%d",
client, REMOTE_AUTH_SASL);
goto error;
authdeny:
identity = virNetSASLSessionGetIdentity(priv->sasl);
PROBE(RPC_SERVER_CLIENT_AUTH_DENY,
"client=%p auth=%d identity=%s",
client, REMOTE_AUTH_SASL, identity);
goto error;
error:
virNetSASLSessionFree(priv->sasl);
priv->sasl = NULL;
virResetLastError();
virNetError(VIR_ERR_AUTH_FAILED, "%s",
_("authentication failed"));
if (rv < 0)
virNetMessageSaveError(rerr);
virMutexUnlock(&priv->lock);
return -1;
}
#else
static int
remoteDispatchAuthSaslInit(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_auth_sasl_init_ret *ret ATTRIBUTE_UNUSED)
{
VIR_WARN("Client tried unsupported SASL auth");
virNetError(VIR_ERR_AUTH_FAILED, "%s",
_("authentication failed"));
virNetMessageSaveError(rerr);
return -1;
}
static int
remoteDispatchAuthSaslStart(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_auth_sasl_start_args *args ATTRIBUTE_UNUSED,
remote_auth_sasl_start_ret *ret ATTRIBUTE_UNUSED)
{
VIR_WARN("Client tried unsupported SASL auth");
virNetError(VIR_ERR_AUTH_FAILED, "%s",
_("authentication failed"));
virNetMessageSaveError(rerr);
return -1;
}
static int
remoteDispatchAuthSaslStep(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_auth_sasl_step_args *args ATTRIBUTE_UNUSED,
remote_auth_sasl_step_ret *ret ATTRIBUTE_UNUSED)
{
VIR_WARN("Client tried unsupported SASL auth");
virNetError(VIR_ERR_AUTH_FAILED, "%s",
_("authentication failed"));
virNetMessageSaveError(rerr);
return -1;
}
#endif
#if HAVE_POLKIT1
static int
remoteDispatchAuthPolkit(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_auth_polkit_ret *ret)
{
pid_t callerPid = -1;
gid_t callerGid = -1;
uid_t callerUid = -1;
const char *action;
int status = -1;
char *ident = NULL;
bool authdismissed = 0;
char *pkout = NULL;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
virCommandPtr cmd = NULL;
virMutexLock(&priv->lock);
action = virNetServerClientGetReadonly(client) ?
"org.libvirt.unix.monitor" :
"org.libvirt.unix.manage";
cmd = virCommandNewArgList(PKCHECK_PATH, "--action-id", action, NULL);
virCommandSetOutputBuffer(cmd, &pkout);
virCommandSetErrorBuffer(cmd, &pkout);
VIR_DEBUG("Start PolicyKit auth %d", virNetServerClientGetFD(client));
if (virNetServerClientGetAuth(client) != VIR_NET_SERVER_SERVICE_AUTH_POLKIT) {
VIR_ERROR(_("client tried invalid PolicyKit init request"));
goto authfail;
}
if (virNetServerClientGetUNIXIdentity(client, &callerUid, &callerGid,
&callerPid) < 0) {
goto authfail;
}
VIR_INFO("Checking PID %lld running as %d",
(long long) callerPid, callerUid);
virCommandAddArg(cmd, "--process");
virCommandAddArgFormat(cmd, "%lld", (long long) callerPid);
virCommandAddArg(cmd, "--allow-user-interaction");
if (virAsprintf(&ident, "pid:%lld,uid:%d",
(long long) callerPid, callerUid) < 0) {
virReportOOMError();
goto authfail;
}
if (virCommandRun(cmd, &status) < 0)
goto authfail;
authdismissed = (pkout && strstr(pkout, "dismissed=true"));
if (status != 0) {
char *tmp = virCommandTranslateStatus(status);
VIR_ERROR(_("Policy kit denied action %s from pid %lld, uid %d: %s"),
action, (long long) callerPid, callerUid, NULLSTR(tmp));
VIR_FREE(tmp);
goto authdeny;
}
PROBE(RPC_SERVER_CLIENT_AUTH_ALLOW,
"client=%p auth=%d identity=%s",
client, REMOTE_AUTH_POLKIT, ident);
VIR_INFO("Policy allowed action %s from pid %lld, uid %d",
action, (long long) callerPid, callerUid);
ret->complete = 1;
virNetServerClientSetIdentity(client, ident);
virMutexUnlock(&priv->lock);
virCommandFree(cmd);
VIR_FREE(pkout);
VIR_FREE(ident);
return 0;
error:
virCommandFree(cmd);
VIR_FREE(ident);
virResetLastError();
if (authdismissed) {
virNetError(VIR_ERR_AUTH_CANCELLED, "%s",
_("authentication cancelled by user"));
} else {
virNetError(VIR_ERR_AUTH_FAILED, "%s",
pkout && *pkout ? pkout : _("authentication failed"));
}
VIR_FREE(pkout);
virNetMessageSaveError(rerr);
virMutexUnlock(&priv->lock);
return -1;
authfail:
PROBE(RPC_SERVER_CLIENT_AUTH_FAIL,
"client=%p auth=%d",
client, REMOTE_AUTH_POLKIT);
goto error;
authdeny:
PROBE(RPC_SERVER_CLIENT_AUTH_DENY,
"client=%p auth=%d identity=%s",
client, REMOTE_AUTH_POLKIT, ident);
goto error;
}
#elif HAVE_POLKIT0
static int
remoteDispatchAuthPolkit(virNetServerPtr server,
virNetServerClientPtr client,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_auth_polkit_ret *ret)
{
pid_t callerPid;
gid_t callerGid;
uid_t callerUid;
PolKitCaller *pkcaller = NULL;
PolKitAction *pkaction = NULL;
PolKitContext *pkcontext = NULL;
PolKitError *pkerr = NULL;
PolKitResult pkresult;
DBusError err;
const char *action;
char *ident = NULL;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
virMutexLock(&priv->lock);
action = virNetServerClientGetReadonly(client) ?
"org.libvirt.unix.monitor" :
"org.libvirt.unix.manage";
VIR_DEBUG("Start PolicyKit auth %d", virNetServerClientGetFD(client));
if (virNetServerClientGetAuth(client) != VIR_NET_SERVER_SERVICE_AUTH_POLKIT) {
VIR_ERROR(_("client tried invalid PolicyKit init request"));
goto authfail;
}
if (virNetServerClientGetUNIXIdentity(client, &callerUid, &callerGid,
&callerPid) < 0) {
VIR_ERROR(_("cannot get peer socket identity"));
goto authfail;
}
if (virAsprintf(&ident, "pid:%lld,uid:%d",
(long long) callerPid, callerUid) < 0) {
virReportOOMError();
goto authfail;
}
VIR_INFO("Checking PID %lld running as %d",
(long long) callerPid, callerUid);
dbus_error_init(&err);
if (!(pkcaller = polkit_caller_new_from_pid(virNetServerGetDBusConn(server),
callerPid, &err))) {
VIR_ERROR(_("Failed to lookup policy kit caller: %s"), err.message);
dbus_error_free(&err);
goto authfail;
}
if (!(pkaction = polkit_action_new())) {
char ebuf[1024];
VIR_ERROR(_("Failed to create polkit action %s"),
virStrerror(errno, ebuf, sizeof(ebuf)));
polkit_caller_unref(pkcaller);
goto authfail;
}
polkit_action_set_action_id(pkaction, action);
if (!(pkcontext = polkit_context_new()) ||
!polkit_context_init(pkcontext, &pkerr)) {
char ebuf[1024];
VIR_ERROR(_("Failed to create polkit context %s"),
(pkerr ? polkit_error_get_error_message(pkerr)
: virStrerror(errno, ebuf, sizeof(ebuf))));
if (pkerr)
polkit_error_free(pkerr);
polkit_caller_unref(pkcaller);
polkit_action_unref(pkaction);
dbus_error_free(&err);
goto authfail;
}
# if HAVE_POLKIT_CONTEXT_IS_CALLER_AUTHORIZED
pkresult = polkit_context_is_caller_authorized(pkcontext,
pkaction,
pkcaller,
0,
&pkerr);
if (pkerr && polkit_error_is_set(pkerr)) {
VIR_ERROR(_("Policy kit failed to check authorization %d %s"),
polkit_error_get_error_code(pkerr),
polkit_error_get_error_message(pkerr));
goto authfail;
}
# else
pkresult = polkit_context_can_caller_do_action(pkcontext,
pkaction,
pkcaller);
# endif
polkit_context_unref(pkcontext);
polkit_caller_unref(pkcaller);
polkit_action_unref(pkaction);
if (pkresult != POLKIT_RESULT_YES) {
VIR_ERROR(_("Policy kit denied action %s from pid %lld, uid %d, result: %s"),
action, (long long) callerPid, callerUid,
polkit_result_to_string_representation(pkresult));
goto authdeny;
}
PROBE(RPC_SERVER_CLIENT_AUTH_ALLOW,
"client=%p auth=%d identity=%s",
client, REMOTE_AUTH_POLKIT, ident);
VIR_INFO("Policy allowed action %s from pid %lld, uid %d, result %s",
action, (long long) callerPid, callerUid,
polkit_result_to_string_representation(pkresult));
ret->complete = 1;
virNetServerClientSetIdentity(client, ident);
virMutexUnlock(&priv->lock);
VIR_FREE(ident);
return 0;
error:
VIR_FREE(ident);
virResetLastError();
virNetError(VIR_ERR_AUTH_FAILED, "%s",
_("authentication failed"));
virNetMessageSaveError(rerr);
virMutexUnlock(&priv->lock);
return -1;
authfail:
PROBE(RPC_SERVER_CLIENT_AUTH_FAIL,
"client=%p auth=%d",
client, REMOTE_AUTH_POLKIT);
goto error;
authdeny:
PROBE(RPC_SERVER_CLIENT_AUTH_DENY,
"client=%p auth=%d identity=%s",
client, REMOTE_AUTH_POLKIT, ident);
goto error;
}
#else /* !HAVE_POLKIT0 & !HAVE_POLKIT1*/
static int
remoteDispatchAuthPolkit(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_auth_polkit_ret *ret ATTRIBUTE_UNUSED)
{
VIR_ERROR(_("client tried unsupported PolicyKit init request"));
virNetError(VIR_ERR_AUTH_FAILED, "%s",
_("authentication failed"));
virNetMessageSaveError(rerr);
return -1;
}
#endif /* HAVE_POLKIT1 */
/***************************************************************
* NODE INFO APIS
**************************************************************/
static int
remoteDispatchNodeDeviceGetParent(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_node_device_get_parent_args *args,
remote_node_device_get_parent_ret *ret)
{
virNodeDevicePtr dev = NULL;
const char *parent = NULL;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(dev = virNodeDeviceLookupByName(priv->conn, args->name)))
goto cleanup;
parent = virNodeDeviceGetParent(dev);
if (parent == NULL) {
ret->parent = NULL;
} else {
/* remoteDispatchClientRequest will free this. */
char **parent_p;
if (VIR_ALLOC(parent_p) < 0) {
virReportOOMError();
goto cleanup;
}
if (!(*parent_p = strdup(parent))) {
VIR_FREE(parent_p);
virReportOOMError();
goto cleanup;
}
ret->parent = parent_p;
}
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
if (dev)
virNodeDeviceFree(dev);
return rv;
}
/***************************
* Register / deregister events
***************************/
static int
remoteDispatchDomainEventsRegister(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED,
remote_domain_events_register_ret *ret ATTRIBUTE_UNUSED)
{
int callbackID;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
virMutexLock(&priv->lock);
if (priv->domainEventCallbackID[VIR_DOMAIN_EVENT_ID_LIFECYCLE] != -1) {
virNetError(VIR_ERR_INTERNAL_ERROR, _("domain event %d already registered"), VIR_DOMAIN_EVENT_ID_LIFECYCLE);
goto cleanup;
}
if ((callbackID = virConnectDomainEventRegisterAny(priv->conn,
NULL,
VIR_DOMAIN_EVENT_ID_LIFECYCLE,
VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventLifecycle),
client, NULL)) < 0)
goto cleanup;
priv->domainEventCallbackID[VIR_DOMAIN_EVENT_ID_LIFECYCLE] = callbackID;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
virMutexUnlock(&priv->lock);
return rv;
}
static int
remoteDispatchDomainEventsDeregister(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED,
remote_domain_events_deregister_ret *ret ATTRIBUTE_UNUSED)
{
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
virMutexLock(&priv->lock);
if (priv->domainEventCallbackID[VIR_DOMAIN_EVENT_ID_LIFECYCLE] < 0) {
virNetError(VIR_ERR_INTERNAL_ERROR, _("domain event %d not registered"), VIR_DOMAIN_EVENT_ID_LIFECYCLE);
goto cleanup;
}
if (virConnectDomainEventDeregisterAny(priv->conn,
priv->domainEventCallbackID[VIR_DOMAIN_EVENT_ID_LIFECYCLE]) < 0)
goto cleanup;
priv->domainEventCallbackID[VIR_DOMAIN_EVENT_ID_LIFECYCLE] = -1;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
virMutexUnlock(&priv->lock);
return rv;
}
static void
remoteDispatchDomainEventSend(virNetServerClientPtr client,
virNetServerProgramPtr program,
int procnr,
xdrproc_t proc,
void *data)
{
virNetMessagePtr msg;
if (!(msg = virNetMessageNew(false)))
goto cleanup;
msg->header.prog = virNetServerProgramGetID(program);
msg->header.vers = virNetServerProgramGetVersion(program);
msg->header.proc = procnr;
msg->header.type = VIR_NET_MESSAGE;
msg->header.serial = 1;
msg->header.status = VIR_NET_OK;
if (virNetMessageEncodeHeader(msg) < 0)
goto cleanup;
if (virNetMessageEncodePayload(msg, proc, data) < 0)
goto cleanup;
VIR_DEBUG("Queue event %d %zu", procnr, msg->bufferLength);
virNetServerClientSendMessage(client, msg);
xdr_free(proc, data);
return;
cleanup:
virNetMessageFree(msg);
xdr_free(proc, data);
}
static int
remoteDispatchSecretGetValue(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_secret_get_value_args *args,
remote_secret_get_value_ret *ret)
{
virSecretPtr secret = NULL;
size_t value_size;
unsigned char *value;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(secret = get_nonnull_secret(priv->conn, args->secret)))
goto cleanup;
if (!(value = virSecretGetValue(secret, &value_size, args->flags)))
goto cleanup;
ret->value.value_len = value_size;
ret->value.value_val = (char *)value;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
if (secret)
virSecretFree(secret);
return rv;
}
static int
remoteDispatchDomainGetState(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_get_state_args *args,
remote_domain_get_state_ret *ret)
{
virDomainPtr dom = NULL;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
if (virDomainGetState(dom, &ret->state, &ret->reason, args->flags) < 0)
goto cleanup;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
if (dom)
virDomainFree(dom);
return rv;
}
static int
remoteDispatchDomainEventsRegisterAny(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED,
remote_domain_events_register_any_args *args)
{
int callbackID;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
virMutexLock(&priv->lock);
if (args->eventID >= VIR_DOMAIN_EVENT_ID_LAST ||
args->eventID < 0) {
virNetError(VIR_ERR_INTERNAL_ERROR, _("unsupported event ID %d"), args->eventID);
goto cleanup;
}
if (priv->domainEventCallbackID[args->eventID] != -1) {
virNetError(VIR_ERR_INTERNAL_ERROR, _("domain event %d already registered"), args->eventID);
goto cleanup;
}
if ((callbackID = virConnectDomainEventRegisterAny(priv->conn,
NULL,
args->eventID,
domainEventCallbacks[args->eventID],
client, NULL)) < 0)
goto cleanup;
priv->domainEventCallbackID[args->eventID] = callbackID;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
virMutexUnlock(&priv->lock);
return rv;
}
static int
remoteDispatchDomainEventsDeregisterAny(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED,
remote_domain_events_deregister_any_args *args)
{
int callbackID = -1;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
virMutexLock(&priv->lock);
if (args->eventID >= VIR_DOMAIN_EVENT_ID_LAST ||
args->eventID < 0) {
virNetError(VIR_ERR_INTERNAL_ERROR, _("unsupported event ID %d"), args->eventID);
goto cleanup;
}
callbackID = priv->domainEventCallbackID[args->eventID];
if (callbackID < 0) {
virNetError(VIR_ERR_INTERNAL_ERROR, _("domain event %d not registered"), args->eventID);
goto cleanup;
}
if (virConnectDomainEventDeregisterAny(priv->conn, callbackID) < 0)
goto cleanup;
priv->domainEventCallbackID[args->eventID] = -1;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
virMutexUnlock(&priv->lock);
return rv;
}
static int
qemuDispatchMonitorCommand(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
qemu_monitor_command_args *args,
qemu_monitor_command_ret *ret)
{
virDomainPtr dom = NULL;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
if (virDomainQemuMonitorCommand(dom, args->cmd, &ret->result,
args->flags) < 0)
goto cleanup;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
if (dom)
virDomainFree(dom);
return rv;
}
static int
remoteDispatchDomainMigrateBegin3(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_migrate_begin3_args *args,
remote_domain_migrate_begin3_ret *ret)
{
char *xml = NULL;
virDomainPtr dom = NULL;
char *dname;
char *xmlin;
char *cookieout = NULL;
int cookieoutlen = 0;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
xmlin = args->xmlin == NULL ? NULL : *args->xmlin;
dname = args->dname == NULL ? NULL : *args->dname;
if (!(xml = virDomainMigrateBegin3(dom, xmlin,
&cookieout, &cookieoutlen,
args->flags, dname, args->resource)))
goto cleanup;
/* remoteDispatchClientRequest will free cookie and
* the xml string if there is one.
*/
ret->cookie_out.cookie_out_len = cookieoutlen;
ret->cookie_out.cookie_out_val = cookieout;
ret->xml = xml;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
if (dom)
virDomainFree(dom);
return rv;
}
static int
remoteDispatchDomainMigratePrepare3(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_migrate_prepare3_args *args,
remote_domain_migrate_prepare3_ret *ret)
{
char *cookieout = NULL;
int cookieoutlen = 0;
char *uri_in;
char **uri_out;
char *dname;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
uri_in = args->uri_in == NULL ? NULL : *args->uri_in;
dname = args->dname == NULL ? NULL : *args->dname;
/* Wacky world of XDR ... */
if (VIR_ALLOC(uri_out) < 0) {
virReportOOMError();
goto cleanup;
}
if (virDomainMigratePrepare3(priv->conn,
args->cookie_in.cookie_in_val,
args->cookie_in.cookie_in_len,
&cookieout, &cookieoutlen,
uri_in, uri_out,
args->flags, dname, args->resource,
args->dom_xml) < 0)
goto cleanup;
/* remoteDispatchClientRequest will free cookie, uri_out and
* the string if there is one.
*/
ret->cookie_out.cookie_out_len = cookieoutlen;
ret->cookie_out.cookie_out_val = cookieout;
ret->uri_out = *uri_out == NULL ? NULL : uri_out;
rv = 0;
cleanup:
if (rv < 0) {
virNetMessageSaveError(rerr);
VIR_FREE(uri_out);
}
return rv;
}
static int
remoteDispatchDomainMigratePerform3(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_migrate_perform3_args *args,
remote_domain_migrate_perform3_ret *ret)
{
virDomainPtr dom = NULL;
char *xmlin;
char *dname;
char *uri;
char *dconnuri;
char *cookieout = NULL;
int cookieoutlen = 0;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
xmlin = args->xmlin == NULL ? NULL : *args->xmlin;
dname = args->dname == NULL ? NULL : *args->dname;
uri = args->uri == NULL ? NULL : *args->uri;
dconnuri = args->dconnuri == NULL ? NULL : *args->dconnuri;
if (virDomainMigratePerform3(dom, xmlin,
args->cookie_in.cookie_in_val,
args->cookie_in.cookie_in_len,
&cookieout, &cookieoutlen,
dconnuri, uri,
args->flags, dname, args->resource) < 0)
goto cleanup;
/* remoteDispatchClientRequest will free cookie
*/
ret->cookie_out.cookie_out_len = cookieoutlen;
ret->cookie_out.cookie_out_val = cookieout;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
if (dom)
virDomainFree(dom);
return rv;
}
static int
remoteDispatchDomainMigrateFinish3(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_migrate_finish3_args *args,
remote_domain_migrate_finish3_ret *ret)
{
virDomainPtr dom = NULL;
char *cookieout = NULL;
int cookieoutlen = 0;
char *uri;
char *dconnuri;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
uri = args->uri == NULL ? NULL : *args->uri;
dconnuri = args->dconnuri == NULL ? NULL : *args->dconnuri;
if (!(dom = virDomainMigrateFinish3(priv->conn, args->dname,
args->cookie_in.cookie_in_val,
args->cookie_in.cookie_in_len,
&cookieout, &cookieoutlen,
dconnuri, uri,
args->flags,
args->cancelled)))
goto cleanup;
make_nonnull_domain(&ret->dom, dom);
/* remoteDispatchClientRequest will free cookie
*/
ret->cookie_out.cookie_out_len = cookieoutlen;
ret->cookie_out.cookie_out_val = cookieout;
rv = 0;
cleanup:
if (rv < 0) {
virNetMessageSaveError(rerr);
VIR_FREE(cookieout);
}
if (dom)
virDomainFree(dom);
return rv;
}
static int
remoteDispatchDomainMigrateConfirm3(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_migrate_confirm3_args *args)
{
virDomainPtr dom = NULL;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
if (virDomainMigrateConfirm3(dom,
args->cookie_in.cookie_in_val,
args->cookie_in.cookie_in_len,
args->flags, args->cancelled) < 0)
goto cleanup;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
if (dom)
virDomainFree(dom);
return rv;
}
static int remoteDispatchSupportsFeature(
virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_supports_feature_args *args,
remote_supports_feature_ret *ret)
{
int rv = -1;
int supported;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
/* This feature is checked before opening the connection, thus we must
* check it first.
*/
if (args->feature == VIR_DRV_FEATURE_PROGRAM_KEEPALIVE) {
if (virNetServerClientStartKeepAlive(client) < 0)
goto cleanup;
supported = 1;
goto done;
}
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
switch (args->feature) {
case VIR_DRV_FEATURE_FD_PASSING:
supported = 1;
break;
default:
if ((supported = virDrvSupportsFeature(priv->conn, args->feature)) < 0)
goto cleanup;
break;
}
done:
ret->supported = supported;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
return rv;
}
static int
remoteDispatchDomainOpenGraphics(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg,
virNetMessageErrorPtr rerr,
remote_domain_open_graphics_args *args)
{
virDomainPtr dom = NULL;
int rv = -1;
int fd = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
if ((fd = virNetMessageDupFD(msg, 0)) < 0)
goto cleanup;
if (virDomainOpenGraphics(dom,
args->idx,
fd,
args->flags) < 0)
goto cleanup;
rv = 0;
cleanup:
VIR_FORCE_CLOSE(fd);
if (rv < 0)
virNetMessageSaveError(rerr);
if (dom)
virDomainFree(dom);
return rv;
}
static int
remoteDispatchDomainGetInterfaceParameters(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_get_interface_parameters_args *args,
remote_domain_get_interface_parameters_ret *ret)
{
virDomainPtr dom = NULL;
virTypedParameterPtr params = NULL;
const char *device = args->device;
int nparams = args->nparams;
unsigned int flags;
int rv = -1;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
flags = args->flags;
if (nparams > REMOTE_DOMAIN_INTERFACE_PARAMETERS_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
goto cleanup;
}
if (VIR_ALLOC_N(params, nparams) < 0) {
virReportOOMError();
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
if (virDomainGetInterfaceParameters(dom, device, params, &nparams, flags) < 0)
goto cleanup;
/* In this case, we need to send back the number of parameters
* supported
*/
if (args->nparams == 0) {
ret->nparams = nparams;
goto success;
}
if (remoteSerializeTypedParameters(params, nparams,
&ret->params.params_val,
&ret->params.params_len,
flags) < 0)
goto cleanup;
success:
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
virTypedParameterArrayClear(params, nparams);
VIR_FREE(params);
if (dom)
virDomainFree(dom);
return rv;
}
static int
remoteDispatchDomainGetCPUStats(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr hdr ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_get_cpu_stats_args *args,
remote_domain_get_cpu_stats_ret *ret)
{
virDomainPtr dom = NULL;
struct daemonClientPrivate *priv;
virTypedParameterPtr params = NULL;
int rv = -1;
int percpu_len = 0;
priv = virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (args->nparams > REMOTE_NODE_CPU_STATS_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
goto cleanup;
}
if (args->ncpus > REMOTE_DOMAIN_GET_CPU_STATS_NCPUS_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("ncpus too large"));
goto cleanup;
}
if (args->nparams > 0 &&
VIR_ALLOC_N(params, args->ncpus * args->nparams) < 0) {
virReportOOMError();
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
percpu_len = virDomainGetCPUStats(dom, params, args->nparams,
args->start_cpu, args->ncpus,
args->flags);
if (percpu_len < 0)
goto cleanup;
/* If nparams == 0, the function returns a single value */
if (args->nparams == 0)
goto success;
if (remoteSerializeTypedParameters(params, args->nparams * args->ncpus,
&ret->params.params_val,
&ret->params.params_len,
args->flags) < 0)
goto cleanup;
success:
rv = 0;
ret->nparams = percpu_len;
if (args->nparams && !(args->flags & VIR_TYPED_PARAM_STRING_OKAY)) {
int i;
for (i = 0; i < percpu_len; i++) {
if (params[i].type == VIR_TYPED_PARAM_STRING)
ret->nparams--;
}
}
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
virTypedParameterArrayClear(params, args->ncpus * args->nparams);
VIR_FREE(params);
if (dom)
virDomainFree(dom);
return rv;
}
static int remoteDispatchDomainGetDiskErrors(
virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
virNetMessageErrorPtr rerr,
remote_domain_get_disk_errors_args *args,
remote_domain_get_disk_errors_ret *ret)
{
int rv = -1;
virDomainPtr dom = NULL;
virDomainDiskErrorPtr errors = NULL;
int len = 0;
struct daemonClientPrivate *priv =
virNetServerClientGetPrivateData(client);
if (!priv->conn) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
goto cleanup;
}
if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
goto cleanup;
if (args->maxerrors > REMOTE_DOMAIN_DISK_ERRORS_MAX) {
virNetError(VIR_ERR_INTERNAL_ERROR, "%s",
_("maxerrors too large"));
goto cleanup;
}
if (args->maxerrors &&
VIR_ALLOC_N(errors, args->maxerrors) < 0) {
virReportOOMError();
goto cleanup;
}
if ((len = virDomainGetDiskErrors(dom, errors,
args->maxerrors,
args->flags)) < 0)
goto cleanup;
ret->nerrors = len;
if (errors &&
remoteSerializeDomainDiskErrors(errors, len,
&ret->errors.errors_val,
&ret->errors.errors_len) < 0)
goto cleanup;
rv = 0;
cleanup:
if (rv < 0)
virNetMessageSaveError(rerr);
if (dom)
virDomainFree(dom);
if (errors) {
int i;
for (i = 0; i < len; i++)
VIR_FREE(errors[i].disk);
}
VIR_FREE(errors);
return rv;
}
/*----- Helpers. -----*/
/* get_nonnull_domain and get_nonnull_network turn an on-wire
* (name, uuid) pair into virDomainPtr or virNetworkPtr object.
* virDomainPtr or virNetworkPtr cannot be NULL.
*
* NB. If these return NULL then the caller must return an error.
*/
static virDomainPtr
get_nonnull_domain(virConnectPtr conn, remote_nonnull_domain domain)
{
virDomainPtr dom;
dom = virGetDomain(conn, domain.name, BAD_CAST domain.uuid);
/* Should we believe the domain.id sent by the client? Maybe
* this should be a check rather than an assignment? XXX
*/
if (dom) dom->id = domain.id;
return dom;
}
static virNetworkPtr
get_nonnull_network(virConnectPtr conn, remote_nonnull_network network)
{
return virGetNetwork(conn, network.name, BAD_CAST network.uuid);
}
static virInterfacePtr
get_nonnull_interface(virConnectPtr conn, remote_nonnull_interface iface)
{
return virGetInterface(conn, iface.name, iface.mac);
}
static virStoragePoolPtr
get_nonnull_storage_pool(virConnectPtr conn, remote_nonnull_storage_pool pool)
{
return virGetStoragePool(conn, pool.name, BAD_CAST pool.uuid);
}
static virStorageVolPtr
get_nonnull_storage_vol(virConnectPtr conn, remote_nonnull_storage_vol vol)
{
virStorageVolPtr ret;
ret = virGetStorageVol(conn, vol.pool, vol.name, vol.key);
return ret;
}
static virSecretPtr
get_nonnull_secret(virConnectPtr conn, remote_nonnull_secret secret)
{
return virGetSecret(conn, BAD_CAST secret.uuid, secret.usageType, secret.usageID);
}
static virNWFilterPtr
get_nonnull_nwfilter(virConnectPtr conn, remote_nonnull_nwfilter nwfilter)
{
return virGetNWFilter(conn, nwfilter.name, BAD_CAST nwfilter.uuid);
}
static virDomainSnapshotPtr
get_nonnull_domain_snapshot(virDomainPtr dom, remote_nonnull_domain_snapshot snapshot)
{
return virGetDomainSnapshot(dom, snapshot.name);
}
/* Make remote_nonnull_domain and remote_nonnull_network. */
static void
make_nonnull_domain(remote_nonnull_domain *dom_dst, virDomainPtr dom_src)
{
dom_dst->id = dom_src->id;
dom_dst->name = strdup(dom_src->name);
memcpy(dom_dst->uuid, dom_src->uuid, VIR_UUID_BUFLEN);
}
static void
make_nonnull_network(remote_nonnull_network *net_dst, virNetworkPtr net_src)
{
net_dst->name = strdup(net_src->name);
memcpy(net_dst->uuid, net_src->uuid, VIR_UUID_BUFLEN);
}
static void
make_nonnull_interface(remote_nonnull_interface *interface_dst,
virInterfacePtr interface_src)
{
interface_dst->name = strdup(interface_src->name);
interface_dst->mac = strdup(interface_src->mac);
}
static void
make_nonnull_storage_pool(remote_nonnull_storage_pool *pool_dst, virStoragePoolPtr pool_src)
{
pool_dst->name = strdup(pool_src->name);
memcpy(pool_dst->uuid, pool_src->uuid, VIR_UUID_BUFLEN);
}
static void
make_nonnull_storage_vol(remote_nonnull_storage_vol *vol_dst, virStorageVolPtr vol_src)
{
vol_dst->pool = strdup(vol_src->pool);
vol_dst->name = strdup(vol_src->name);
vol_dst->key = strdup(vol_src->key);
}
static void
make_nonnull_node_device(remote_nonnull_node_device *dev_dst, virNodeDevicePtr dev_src)
{
dev_dst->name = strdup(dev_src->name);
}
static void
make_nonnull_secret(remote_nonnull_secret *secret_dst, virSecretPtr secret_src)
{
memcpy(secret_dst->uuid, secret_src->uuid, VIR_UUID_BUFLEN);
secret_dst->usageType = secret_src->usageType;
secret_dst->usageID = strdup(secret_src->usageID);
}
static void
make_nonnull_nwfilter(remote_nonnull_nwfilter *nwfilter_dst, virNWFilterPtr nwfilter_src)
{
nwfilter_dst->name = strdup(nwfilter_src->name);
memcpy(nwfilter_dst->uuid, nwfilter_src->uuid, VIR_UUID_BUFLEN);
}
static void
make_nonnull_domain_snapshot(remote_nonnull_domain_snapshot *snapshot_dst, virDomainSnapshotPtr snapshot_src)
{
snapshot_dst->name = strdup(snapshot_src->name);
make_nonnull_domain(&snapshot_dst->dom, snapshot_src->domain);
}
static int
remoteSerializeDomainDiskErrors(virDomainDiskErrorPtr errors,
int nerrors,
remote_domain_disk_error **ret_errors_val,
u_int *ret_errors_len)
{
remote_domain_disk_error *val = NULL;
int i = 0;
if (VIR_ALLOC_N(val, nerrors) < 0)
goto no_memory;
for (i = 0; i < nerrors; i++) {
if (!(val[i].disk = strdup(errors[i].disk)))
goto no_memory;
val[i].error = errors[i].error;
}
*ret_errors_len = nerrors;
*ret_errors_val = val;
return 0;
no_memory:
if (val) {
int j;
for (j = 0; j < i; j++)
VIR_FREE(val[j].disk);
VIR_FREE(val);
}
virReportOOMError();
return -1;
}
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