libvirt/daemon/remote.c

/*
 * remote.c: handlers for RPC method calls
 *
 * Copyright (C) 2007-2014 Red Hat, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library.  If not, see
 * <http://www.gnu.org/licenses/>.
 *
 * Author: Richard W.M. Jones <rjones@redhat.com>
 */

#include <config.h>

#include "virerror.h"

#include "remote.h"
#include "libvirtd.h"
#include "libvirt_internal.h"
#include "datatypes.h"
#include "viralloc.h"
#include "virlog.h"
#include "stream.h"
#include "viruuid.h"
#include "vircommand.h"
#include "intprops.h"
#include "virnetserverservice.h"
#include "virnetserver.h"
#include "virfile.h"
#include "virtypedparam.h"
#include "virdbus.h"
#include "virprocess.h"
#include "remote_protocol.h"
#include "qemu_protocol.h"
#include "lxc_protocol.h"
#include "virstring.h"
#include "object_event.h"
#include "domain_conf.h"
#include "network_conf.h"
#include "virprobe.h"
#include "viraccessapicheck.h"
#include "viraccessapicheckqemu.h"
#include "virpolkit.h"

#define VIR_FROM_THIS VIR_FROM_RPC

VIR_LOG_INIT("daemon.remote");

#if SIZEOF_LONG < 8
# define HYPER_TO_TYPE(_type, _to, _from)                               \
    do {                                                                \
        if ((_from) != (_type)(_from)) {                                \
            virReportError(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

struct daemonClientEventCallback {
    virNetServerClientPtr client;
    int eventID;
    int callbackID;
    bool legacy;
};

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
remoteSerializeTypedParameters(virTypedParameterPtr params,
                               int nparams,
                               remote_typed_param **ret_params_val,
                               u_int *ret_params_len,
                               unsigned int flags);

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"
#include "lxc_dispatch.h"


/* Prototypes */
static void
remoteDispatchObjectEventSend(virNetServerClientPtr client,
                              virNetServerProgramPtr program,
                              int procnr,
                              xdrproc_t proc,
                              void *data);

static void
remoteEventCallbackFree(void *opaque)
{
    VIR_FREE(opaque);
}


static bool
remoteRelayDomainEventCheckACL(virNetServerClientPtr client,
                               virConnectPtr conn, virDomainPtr dom)
{
    virDomainDef def;
    virIdentityPtr identity = NULL;
    bool ret = false;

    /* For now, we just create a virDomainDef with enough contents to
     * satisfy what viraccessdriverpolkit.c references.  This is a bit
     * fragile, but I don't know of anything better.  */
    def.name = dom->name;
    memcpy(def.uuid, dom->uuid, VIR_UUID_BUFLEN);

    if (!(identity = virNetServerClientGetIdentity(client)))
        goto cleanup;
    if (virIdentitySetCurrent(identity) < 0)
        goto cleanup;
    ret = virConnectDomainEventRegisterAnyCheckACL(conn, &def);

 cleanup:
    ignore_value(virIdentitySetCurrent(NULL));
    virObjectUnref(identity);
    return ret;
}


static bool
remoteRelayNetworkEventCheckACL(virNetServerClientPtr client,
                                virConnectPtr conn, virNetworkPtr net)
{
    virNetworkDef def;
    virIdentityPtr identity = NULL;
    bool ret = false;

    /* For now, we just create a virNetworkDef with enough contents to
     * satisfy what viraccessdriverpolkit.c references.  This is a bit
     * fragile, but I don't know of anything better.  */
    def.name = net->name;
    memcpy(def.uuid, net->uuid, VIR_UUID_BUFLEN);

    if (!(identity = virNetServerClientGetIdentity(client)))
        goto cleanup;
    if (virIdentitySetCurrent(identity) < 0)
        goto cleanup;
    ret = virConnectNetworkEventRegisterAnyCheckACL(conn, &def);

 cleanup:
    ignore_value(virIdentitySetCurrent(NULL));
    virObjectUnref(identity);
    return ret;
}


static bool
remoteRelayDomainQemuMonitorEventCheckACL(virNetServerClientPtr client,
                                          virConnectPtr conn, virDomainPtr dom)
{
    virDomainDef def;
    virIdentityPtr identity = NULL;
    bool ret = false;

    /* For now, we just create a virDomainDef with enough contents to
     * satisfy what viraccessdriverpolkit.c references.  This is a bit
     * fragile, but I don't know of anything better.  */
    def.name = dom->name;
    memcpy(def.uuid, dom->uuid, VIR_UUID_BUFLEN);

    if (!(identity = virNetServerClientGetIdentity(client)))
        goto cleanup;
    if (virIdentitySetCurrent(identity) < 0)
        goto cleanup;
    ret = virConnectDomainQemuMonitorEventRegisterCheckACL(conn, &def);

 cleanup:
    ignore_value(virIdentitySetCurrent(NULL));
    virObjectUnref(identity);
    return ret;
}


static int
remoteRelayDomainEventLifecycle(virConnectPtr conn,
                                virDomainPtr dom,
                                int event,
                                int detail,
                                void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_lifecycle_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain lifecycle event %d %d, callback %d legacy %d",
              event, detail, callback->callbackID, callback->legacy);

    /* build return data */
    memset(&data, 0, sizeof(data));
    make_nonnull_domain(&data.dom, dom);
    data.event = event;
    data.detail = detail;

    if (callback->legacy) {
        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_LIFECYCLE,
                                      (xdrproc_t)xdr_remote_domain_event_lifecycle_msg,
                                      &data);
    } else {
        remote_domain_event_callback_lifecycle_msg msg = { callback->callbackID,
                                                           data };

        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CALLBACK_LIFECYCLE,
                                      (xdrproc_t)xdr_remote_domain_event_callback_lifecycle_msg,
                                      &msg);
    }

    return 0;
}

static int
remoteRelayDomainEventReboot(virConnectPtr conn,
                             virDomainPtr dom,
                             void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_reboot_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain reboot event %s %d, callback %d legacy %d",
              dom->name, dom->id, callback->callbackID, callback->legacy);

    /* build return data */
    memset(&data, 0, sizeof(data));
    make_nonnull_domain(&data.dom, dom);

    if (callback->legacy) {
        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_REBOOT,
                                      (xdrproc_t)xdr_remote_domain_event_reboot_msg, &data);
    } else {
        remote_domain_event_callback_reboot_msg msg = { callback->callbackID,
                                                        data };

        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CALLBACK_REBOOT,
                                      (xdrproc_t)xdr_remote_domain_event_callback_reboot_msg, &msg);
    }

    return 0;
}


static int
remoteRelayDomainEventRTCChange(virConnectPtr conn,
                                virDomainPtr dom,
                                long long offset,
                                void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_rtc_change_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain rtc change event %s %d %lld, callback %d legacy %d",
              dom->name, dom->id, offset,
              callback->callbackID, callback->legacy);

    /* build return data */
    memset(&data, 0, sizeof(data));
    make_nonnull_domain(&data.dom, dom);
    data.offset = offset;

    if (callback->legacy) {
        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_RTC_CHANGE,
                                      (xdrproc_t)xdr_remote_domain_event_rtc_change_msg, &data);
    } else {
        remote_domain_event_callback_rtc_change_msg msg = { callback->callbackID,
                                                            data };

        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CALLBACK_RTC_CHANGE,
                                      (xdrproc_t)xdr_remote_domain_event_callback_rtc_change_msg, &msg);
    }

    return 0;
}


static int
remoteRelayDomainEventWatchdog(virConnectPtr conn,
                               virDomainPtr dom,
                               int action,
                               void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_watchdog_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain watchdog event %s %d %d, callback %d",
              dom->name, dom->id, action, callback->callbackID);

    /* build return data */
    memset(&data, 0, sizeof(data));
    make_nonnull_domain(&data.dom, dom);
    data.action = action;

    if (callback->legacy) {
        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_WATCHDOG,
                                      (xdrproc_t)xdr_remote_domain_event_watchdog_msg, &data);
    } else {
        remote_domain_event_callback_watchdog_msg msg = { callback->callbackID,
                                                          data };

        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CALLBACK_WATCHDOG,
                                      (xdrproc_t)xdr_remote_domain_event_callback_watchdog_msg, &msg);
    }

    return 0;
}


static int
remoteRelayDomainEventIOError(virConnectPtr conn,
                              virDomainPtr dom,
                              const char *srcPath,
                              const char *devAlias,
                              int action,
                              void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_io_error_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain io error %s %d %s %s %d, callback %d",
              dom->name, dom->id, srcPath, devAlias, action,
              callback->callbackID);

    /* build return data */
    memset(&data, 0, sizeof(data));
    if (VIR_STRDUP(data.srcPath, srcPath) < 0 ||
        VIR_STRDUP(data.devAlias, devAlias) < 0)
        goto error;
    make_nonnull_domain(&data.dom, dom);
    data.action = action;

    if (callback->legacy) {
        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_IO_ERROR,
                                      (xdrproc_t)xdr_remote_domain_event_io_error_msg, &data);
    } else {
        remote_domain_event_callback_io_error_msg msg = { callback->callbackID,
                                                          data };

        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CALLBACK_IO_ERROR,
                                      (xdrproc_t)xdr_remote_domain_event_callback_io_error_msg, &msg);
    }

    return 0;
 error:
    VIR_FREE(data.srcPath);
    VIR_FREE(data.devAlias);
    return -1;
}


static int
remoteRelayDomainEventIOErrorReason(virConnectPtr conn,
                                    virDomainPtr dom,
                                    const char *srcPath,
                                    const char *devAlias,
                                    int action,
                                    const char *reason,
                                    void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_io_error_reason_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain io error %s %d %s %s %d %s, callback %d",
              dom->name, dom->id, srcPath, devAlias, action, reason,
              callback->callbackID);

    /* build return data */
    memset(&data, 0, sizeof(data));
    if (VIR_STRDUP(data.srcPath, srcPath) < 0 ||
        VIR_STRDUP(data.devAlias, devAlias) < 0 ||
        VIR_STRDUP(data.reason, reason) < 0)
        goto error;
    data.action = action;

    make_nonnull_domain(&data.dom, dom);

    if (callback->legacy) {
        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_IO_ERROR_REASON,
                                      (xdrproc_t)xdr_remote_domain_event_io_error_reason_msg, &data);
    } else {
        remote_domain_event_callback_io_error_reason_msg msg = { callback->callbackID,
                                                                 data };

        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CALLBACK_IO_ERROR_REASON,
                                      (xdrproc_t)xdr_remote_domain_event_callback_io_error_reason_msg, &msg);
    }

    return 0;

 error:
    VIR_FREE(data.srcPath);
    VIR_FREE(data.devAlias);
    VIR_FREE(data.reason);
    return -1;
}


static int
remoteRelayDomainEventGraphics(virConnectPtr conn,
                               virDomainPtr dom,
                               int phase,
                               virDomainEventGraphicsAddressPtr local,
                               virDomainEventGraphicsAddressPtr remote,
                               const char *authScheme,
                               virDomainEventGraphicsSubjectPtr subject,
                               void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_graphics_msg data;
    size_t i;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain graphics event %s %d %d - %d %s %s  - %d %s %s - %s, callback %d",
              dom->name, dom->id, phase,
              local->family, local->service, local->node,
              remote->family, remote->service, remote->node,
              authScheme, callback->callbackID);

    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;
    if (VIR_STRDUP(data.authScheme, authScheme) < 0 ||
        VIR_STRDUP(data.local.node, local->node) < 0 ||
        VIR_STRDUP(data.local.service, local->service) < 0 ||
        VIR_STRDUP(data.remote.node, remote->node) < 0 ||
        VIR_STRDUP(data.remote.service, remote->service) < 0)
        goto error;

    data.subject.subject_len = subject->nidentity;
    if (VIR_ALLOC_N(data.subject.subject_val, data.subject.subject_len) < 0)
        goto error;

    for (i = 0; i < data.subject.subject_len; i++) {
        if (VIR_STRDUP(data.subject.subject_val[i].type, subject->identities[i].type) < 0 ||
            VIR_STRDUP(data.subject.subject_val[i].name, subject->identities[i].name) < 0)
            goto error;
    }
    make_nonnull_domain(&data.dom, dom);

    if (callback->legacy) {
        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_GRAPHICS,
                                      (xdrproc_t)xdr_remote_domain_event_graphics_msg, &data);
    } else {
        remote_domain_event_callback_graphics_msg msg = { callback->callbackID,
                                                          data };

        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CALLBACK_GRAPHICS,
                                      (xdrproc_t)xdr_remote_domain_event_callback_graphics_msg, &msg);
    }

    return 0;

 error:
    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,
                               virDomainPtr dom,
                               const char *path,
                               int type,
                               int status,
                               void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_block_job_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain block job event %s %d %s %i, %i, callback %d",
              dom->name, dom->id, path, type, status, callback->callbackID);

    /* build return data */
    memset(&data, 0, sizeof(data));
    if (VIR_STRDUP(data.path, path) < 0)
        goto error;
    data.type = type;
    data.status = status;
    make_nonnull_domain(&data.dom, dom);

    if (callback->legacy) {
        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_BLOCK_JOB,
                                      (xdrproc_t)xdr_remote_domain_event_block_job_msg, &data);
    } else {
        remote_domain_event_callback_block_job_msg msg = { callback->callbackID,
                                                           data };

        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CALLBACK_BLOCK_JOB,
                                      (xdrproc_t)xdr_remote_domain_event_callback_block_job_msg, &msg);
    }

    return 0;
 error:
    VIR_FREE(data.path);
    return -1;
}


static int
remoteRelayDomainEventControlError(virConnectPtr conn,
                                   virDomainPtr dom,
                                   void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_control_error_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain control error %s %d, callback %d",
              dom->name, dom->id, callback->callbackID);

    /* build return data */
    memset(&data, 0, sizeof(data));
    make_nonnull_domain(&data.dom, dom);

    if (callback->legacy) {
        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CONTROL_ERROR,
                                      (xdrproc_t)xdr_remote_domain_event_control_error_msg, &data);
    } else {
        remote_domain_event_callback_control_error_msg msg = { callback->callbackID,
                                                               data };

        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CALLBACK_CONTROL_ERROR,
                                      (xdrproc_t)xdr_remote_domain_event_callback_control_error_msg, &msg);
    }

    return 0;
}


static int
remoteRelayDomainEventDiskChange(virConnectPtr conn,
                                 virDomainPtr dom,
                                 const char *oldSrcPath,
                                 const char *newSrcPath,
                                 const char *devAlias,
                                 int reason,
                                 void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_disk_change_msg data;
    char **oldSrcPath_p = NULL, **newSrcPath_p = NULL;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain %s %d disk change %s %s %s %d, callback %d",
              dom->name, dom->id, oldSrcPath, newSrcPath, devAlias, reason,
              callback->callbackID);

    /* build return data */
    memset(&data, 0, sizeof(data));
    if (oldSrcPath &&
        ((VIR_ALLOC(oldSrcPath_p) < 0) ||
         VIR_STRDUP(*oldSrcPath_p, oldSrcPath) < 0))
        goto error;

    if (newSrcPath &&
        ((VIR_ALLOC(newSrcPath_p) < 0) ||
         VIR_STRDUP(*newSrcPath_p, newSrcPath) < 0))
        goto error;

    data.oldSrcPath = oldSrcPath_p;
    data.newSrcPath = newSrcPath_p;
    if (VIR_STRDUP(data.devAlias, devAlias) < 0)
        goto error;
    data.reason = reason;

    make_nonnull_domain(&data.dom, dom);

    if (callback->legacy) {
        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_DISK_CHANGE,
                                      (xdrproc_t)xdr_remote_domain_event_disk_change_msg, &data);
    } else {
        remote_domain_event_callback_disk_change_msg msg = { callback->callbackID,
                                                             data };

        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CALLBACK_DISK_CHANGE,
                                      (xdrproc_t)xdr_remote_domain_event_callback_disk_change_msg, &msg);
    }

    return 0;

 error:
    VIR_FREE(oldSrcPath_p);
    VIR_FREE(newSrcPath_p);
    return -1;
}


static int
remoteRelayDomainEventTrayChange(virConnectPtr conn,
                                 virDomainPtr dom,
                                 const char *devAlias,
                                 int reason,
                                 void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_tray_change_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain %s %d tray change devAlias: %s reason: %d, callback %d",
              dom->name, dom->id, devAlias, reason, callback->callbackID);

    /* build return data */
    memset(&data, 0, sizeof(data));

    if (VIR_STRDUP(data.devAlias, devAlias) < 0)
        return -1;
    data.reason = reason;

    make_nonnull_domain(&data.dom, dom);

    if (callback->legacy) {
        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_TRAY_CHANGE,
                                      (xdrproc_t)xdr_remote_domain_event_tray_change_msg, &data);
    } else {
        remote_domain_event_callback_tray_change_msg msg = { callback->callbackID,
                                                             data };

        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CALLBACK_TRAY_CHANGE,
                                      (xdrproc_t)xdr_remote_domain_event_callback_tray_change_msg, &msg);
    }

    return 0;
}

static int
remoteRelayDomainEventPMWakeup(virConnectPtr conn,
                               virDomainPtr dom,
                               int reason,
                               void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_pmwakeup_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain %s %d system pmwakeup, callback %d",
              dom->name, dom->id, callback->callbackID);

    /* build return data */
    memset(&data, 0, sizeof(data));
    make_nonnull_domain(&data.dom, dom);

    if (callback->legacy) {
        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_PMWAKEUP,
                                      (xdrproc_t)xdr_remote_domain_event_pmwakeup_msg, &data);
    } else {
        remote_domain_event_callback_pmwakeup_msg msg = { callback->callbackID,
                                                          reason, data };

        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CALLBACK_PMWAKEUP,
                                      (xdrproc_t)xdr_remote_domain_event_callback_pmwakeup_msg, &msg);
    }

    return 0;
}

static int
remoteRelayDomainEventPMSuspend(virConnectPtr conn,
                                virDomainPtr dom,
                                int reason,
                                void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_pmsuspend_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain %s %d system pmsuspend, callback %d",
              dom->name, dom->id, callback->callbackID);

    /* build return data */
    memset(&data, 0, sizeof(data));
    make_nonnull_domain(&data.dom, dom);

    if (callback->legacy) {
        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_PMSUSPEND,
                                      (xdrproc_t)xdr_remote_domain_event_pmsuspend_msg, &data);
    } else {
        remote_domain_event_callback_pmsuspend_msg msg = { callback->callbackID,
                                                           reason, data };

        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CALLBACK_PMSUSPEND,
                                      (xdrproc_t)xdr_remote_domain_event_callback_pmsuspend_msg, &msg);
    }

    return 0;
}

static int
remoteRelayDomainEventBalloonChange(virConnectPtr conn,
                                    virDomainPtr dom,
                                    unsigned long long actual,
                                    void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_balloon_change_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain balloon change event %s %d %lld, callback %d",
              dom->name, dom->id, actual, callback->callbackID);

    /* build return data */
    memset(&data, 0, sizeof(data));
    make_nonnull_domain(&data.dom, dom);
    data.actual = actual;

    if (callback->legacy) {
        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_BALLOON_CHANGE,
                                      (xdrproc_t)xdr_remote_domain_event_balloon_change_msg, &data);
    } else {
        remote_domain_event_callback_balloon_change_msg msg = { callback->callbackID,
                                                                data };

        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CALLBACK_BALLOON_CHANGE,
                                      (xdrproc_t)xdr_remote_domain_event_callback_balloon_change_msg, &msg);
    }

    return 0;
}


static int
remoteRelayDomainEventPMSuspendDisk(virConnectPtr conn,
                                    virDomainPtr dom,
                                    int reason,
                                    void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_pmsuspend_disk_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain %s %d system pmsuspend-disk, callback %d",
              dom->name, dom->id, callback->callbackID);

    /* build return data */
    memset(&data, 0, sizeof(data));
    make_nonnull_domain(&data.dom, dom);

    if (callback->legacy) {
        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_PMSUSPEND_DISK,
                                      (xdrproc_t)xdr_remote_domain_event_pmsuspend_disk_msg, &data);
    } else {
        remote_domain_event_callback_pmsuspend_disk_msg msg = { callback->callbackID,
                                                                reason, data };

        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CALLBACK_PMSUSPEND_DISK,
                                      (xdrproc_t)xdr_remote_domain_event_callback_pmsuspend_disk_msg, &msg);
    }

    return 0;
}

static int
remoteRelayDomainEventDeviceRemoved(virConnectPtr conn,
                                    virDomainPtr dom,
                                    const char *devAlias,
                                    void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_device_removed_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain device removed event %s %d %s, callback %d",
              dom->name, dom->id, devAlias, callback->callbackID);

    /* build return data */
    memset(&data, 0, sizeof(data));

    if (VIR_STRDUP(data.devAlias, devAlias) < 0)
        return -1;

    make_nonnull_domain(&data.dom, dom);

    if (callback->legacy) {
        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_DEVICE_REMOVED,
                                      (xdrproc_t)xdr_remote_domain_event_device_removed_msg,
                                      &data);
    } else {
        remote_domain_event_callback_device_removed_msg msg = { callback->callbackID,
                                                                data };

        remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                      REMOTE_PROC_DOMAIN_EVENT_CALLBACK_DEVICE_REMOVED,
                                      (xdrproc_t)xdr_remote_domain_event_callback_device_removed_msg,
                                      &msg);
    }

    return 0;
}


static int
remoteRelayDomainEventBlockJob2(virConnectPtr conn,
                                virDomainPtr dom,
                                const char *dst,
                                int type,
                                int status,
                                void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_block_job_2_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain block job 2 event %s %d %s %i, %i, callback %d",
              dom->name, dom->id, dst, type, status, callback->callbackID);

    /* build return data */
    memset(&data, 0, sizeof(data));
    data.callbackID = callback->callbackID;
    if (VIR_STRDUP(data.dst, dst) < 0)
        goto error;
    data.type = type;
    data.status = status;
    make_nonnull_domain(&data.dom, dom);

    remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                  REMOTE_PROC_DOMAIN_EVENT_BLOCK_JOB_2,
                                  (xdrproc_t)xdr_remote_domain_event_block_job_2_msg, &data);

    return 0;
 error:
    VIR_FREE(data.dst);
    return -1;
}


static int
remoteRelayDomainEventTunable(virConnectPtr conn,
                              virDomainPtr dom,
                              virTypedParameterPtr params,
                              int nparams,
                              void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_domain_event_callback_tunable_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainEventCheckACL(callback->client, conn, dom))
        return -1;

    VIR_DEBUG("Relaying domain tunable event %s %d, callback %d, params %p %d",
              dom->name, dom->id, callback->callbackID, params, nparams);

    /* build return data */
    memset(&data, 0, sizeof(data));
    data.callbackID = callback->callbackID;
    make_nonnull_domain(&data.dom, dom);

    if (remoteSerializeTypedParameters(params, nparams,
                                       &data.params.params_val,
                                       &data.params.params_len,
                                       VIR_TYPED_PARAM_STRING_OKAY) < 0)
        return -1;

    remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                  REMOTE_PROC_DOMAIN_EVENT_CALLBACK_TUNABLE,
                                  (xdrproc_t)xdr_remote_domain_event_callback_tunable_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),
    VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventBalloonChange),
    VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventPMSuspendDisk),
    VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventDeviceRemoved),
    VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventBlockJob2),
    VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventTunable),
};

verify(ARRAY_CARDINALITY(domainEventCallbacks) == VIR_DOMAIN_EVENT_ID_LAST);

static int
remoteRelayNetworkEventLifecycle(virConnectPtr conn,
                                 virNetworkPtr net,
                                 int event,
                                 int detail,
                                 void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    remote_network_event_lifecycle_msg data;

    if (callback->callbackID < 0 ||
        !remoteRelayNetworkEventCheckACL(callback->client, conn, net))
        return -1;

    VIR_DEBUG("Relaying network lifecycle event %d, detail %d, callback %d",
              event, detail, callback->callbackID);

    /* build return data */
    memset(&data, 0, sizeof(data));
    make_nonnull_network(&data.net, net);
    data.callbackID = callback->callbackID;
    data.event = event;
    data.detail = detail;

    remoteDispatchObjectEventSend(callback->client, remoteProgram,
                                  REMOTE_PROC_NETWORK_EVENT_LIFECYCLE,
                                  (xdrproc_t)xdr_remote_network_event_lifecycle_msg, &data);

    return 0;
}

static virConnectNetworkEventGenericCallback networkEventCallbacks[] = {
    VIR_NETWORK_EVENT_CALLBACK(remoteRelayNetworkEventLifecycle),
};

verify(ARRAY_CARDINALITY(networkEventCallbacks) == VIR_NETWORK_EVENT_ID_LAST);

static void
remoteRelayDomainQemuMonitorEvent(virConnectPtr conn,
                                  virDomainPtr dom,
                                  const char *event,
                                  long long seconds,
                                  unsigned int micros,
                                  const char *details,
                                  void *opaque)
{
    daemonClientEventCallbackPtr callback = opaque;
    qemu_domain_monitor_event_msg data;
    char **details_p = NULL;

    if (callback->callbackID < 0 ||
        !remoteRelayDomainQemuMonitorEventCheckACL(callback->client, conn,
                                                   dom))
        return;

    VIR_DEBUG("Relaying qemu monitor event %s %s, callback %d",
              event, details, callback->callbackID);

    /* build return data */
    memset(&data, 0, sizeof(data));
    data.callbackID = callback->callbackID;
    if (VIR_STRDUP(data.event, event) < 0)
        goto error;
    data.seconds = seconds;
    data.micros = micros;
    if (details &&
        ((VIR_ALLOC(details_p) < 0) ||
         VIR_STRDUP(*details_p, details) < 0))
        goto error;
    data.details = details_p;
    make_nonnull_domain(&data.dom, dom);

    remoteDispatchObjectEventSend(callback->client, qemuProgram,
                                  QEMU_PROC_DOMAIN_MONITOR_EVENT,
                                  (xdrproc_t)xdr_qemu_domain_monitor_event_msg,
                                  &data);
    return;

 error:
    VIR_FREE(data.event);
    VIR_FREE(details_p);
}

/*
 * 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
 */
void remoteClientFreeFunc(void *data)
{
    struct daemonClientPrivate *priv = data;

    /* Deregister event delivery callback */
    if (priv->conn) {
        virIdentityPtr sysident = virIdentityGetSystem();
        size_t i;

        virIdentitySetCurrent(sysident);

        for (i = 0; i < priv->ndomainEventCallbacks; i++) {
            int callbackID = priv->domainEventCallbacks[i]->callbackID;
            if (callbackID < 0) {
                VIR_WARN("unexpected incomplete domain callback %zu", i);
                continue;
            }
            VIR_DEBUG("Deregistering remote domain event relay %d",
                      callbackID);
            priv->domainEventCallbacks[i]->callbackID = -1;
            if (virConnectDomainEventDeregisterAny(priv->conn, callbackID) < 0)
                VIR_WARN("unexpected domain event deregister failure");
        }
        VIR_FREE(priv->domainEventCallbacks);

        for (i = 0; i < priv->nnetworkEventCallbacks; i++) {
            int callbackID = priv->networkEventCallbacks[i]->callbackID;
            if (callbackID < 0) {
                VIR_WARN("unexpected incomplete network callback %zu", i);
                continue;
            }
            VIR_DEBUG("Deregistering remote network event relay %d",
                      callbackID);
            priv->networkEventCallbacks[i]->callbackID = -1;
            if (virConnectNetworkEventDeregisterAny(priv->conn,
                                                    callbackID) < 0)
                VIR_WARN("unexpected network event deregister failure");
        }
        VIR_FREE(priv->networkEventCallbacks);

        for (i = 0; i < priv->nqemuEventCallbacks; i++) {
            int callbackID = priv->qemuEventCallbacks[i]->callbackID;
            if (callbackID < 0) {
                VIR_WARN("unexpected incomplete qemu monitor callback %zu", i);
                continue;
            }
            VIR_DEBUG("Deregistering remote qemu monitor event relay %d",
                      callbackID);
            priv->qemuEventCallbacks[i]->callbackID = -1;
            if (virConnectDomainQemuMonitorEventDeregister(priv->conn,
                                                           callbackID) < 0)
                VIR_WARN("unexpected qemu monitor event deregister failure");
        }
        VIR_FREE(priv->qemuEventCallbacks);

        virConnectClose(priv->conn);

        virIdentitySetCurrent(NULL);
        virObjectUnref(sysident);
    }

    VIR_FREE(priv);
}


static void remoteClientCloseFunc(virNetServerClientPtr client)
{
    struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);

    daemonRemoveAllClientStreams(priv->streams);
}


void *remoteClientInitHook(virNetServerClientPtr client,
                           void *opaque ATTRIBUTE_UNUSED)
{
    struct daemonClientPrivate *priv;

    if (VIR_ALLOC(priv) < 0)
        return NULL;

    if (virMutexInit(&priv->lock) < 0) {
        VIR_FREE(priv);
        virReportSystemError(errno, "%s", _("unable to init mutex"));
        return NULL;
    }

    virNetServerClientSetCloseHook(client, remoteClientCloseFunc);
    return priv;
}

/*----- Functions. -----*/

static int
remoteDispatchConnectOpen(virNetServerPtr server,
                          virNetServerClientPtr client,
                          virNetMessagePtr msg ATTRIBUTE_UNUSED,
                          virNetMessageErrorPtr rerr,
                          struct remote_connect_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) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection already open"));
        goto cleanup;
    }

    if (virNetServerKeepAliveRequired(server) && !priv->keepalive_supported) {
        virReportError(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
remoteDispatchConnectClose(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) {
        virReportError(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)
{
    size_t i;
    size_t j;
    int rv = -1;
    remote_typed_param *val;

    *ret_params_len = nparams;
    if (VIR_ALLOC_N(val, nparams) < 0)
        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: */
        if (VIR_STRDUP(val[j].field, params[i].field) < 0)
            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:
            if (VIR_STRDUP(val[j].value.remote_typed_param_value_u.s, params[i].value.s) < 0)
                goto cleanup;
            break;
        default:
            virReportError(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)
{
    size_t i = 0;
    int rv = -1;
    virTypedParameterPtr params = NULL;

    /* Check the length of the returned list carefully. */
    if (limit && args_params_len > limit) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
        goto cleanup;
    }
    if (VIR_ALLOC_N(params, args_params_len) < 0)
        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) {
            virReportError(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:
            if (VIR_STRDUP(params[i].value.s,
                           args_params_val[i].value.remote_typed_param_value_u.s) < 0)
                goto cleanup;
            break;
        default:
            virReportError(VIR_ERR_INTERNAL_ERROR, _("unknown parameter type: %d"),
                           params[i].type);
            goto cleanup;
        }
    }

    rv = 0;

 cleanup:
    if (rv < 0) {
        virTypedParamsFree(params, i);
        params = NULL;
    }
    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 = 0;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (args->nparams > REMOTE_DOMAIN_SCHEDULER_PARAMETERS_MAX) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
        goto cleanup;
    }
    if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0)
        goto cleanup;
    nparams = args->nparams;

    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);
    virTypedParamsFree(params, nparams);
    if (dom)
        virDomainFree(dom);
    return rv;
}

static int
remoteDispatchConnectListAllDomains(virNetServerPtr server ATTRIBUTE_UNUSED,
                                    virNetServerClientPtr client,
                                    virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                    virNetMessageErrorPtr rerr,
                                    remote_connect_list_all_domains_args *args,
                                    remote_connect_list_all_domains_ret *ret)
{
    virDomainPtr *doms = NULL;
    int ndomains = 0;
    size_t i;
    int rv = -1;
    struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if ((ndomains = virConnectListAllDomains(priv->conn,
                                             args->need_results ? &doms : NULL,
                                             args->flags)) < 0)
        goto cleanup;

    if (ndomains > REMOTE_DOMAIN_LIST_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many domains '%d' for limit '%d'"),
                       ndomains, REMOTE_DOMAIN_LIST_MAX);
        goto cleanup;
    }

    if (doms && ndomains) {
        if (VIR_ALLOC_N(ret->domains.domains_val, ndomains) < 0)
            goto cleanup;

        ret->domains.domains_len = ndomains;

        for (i = 0; i < ndomains; i++)
            make_nonnull_domain(ret->domains.domains_val + i, doms[i]);
    } else {
        ret->domains.domains_len = 0;
        ret->domains.domains_val = NULL;
    }

    ret->ret = ndomains;

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (doms && ndomains > 0) {
        for (i = 0; i < ndomains; i++)
            virDomainFree(doms[i]);
        VIR_FREE(doms);
    }
    return rv;
}

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 = 0;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (args->nparams > REMOTE_DOMAIN_SCHEDULER_PARAMETERS_MAX) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
        goto cleanup;
    }
    if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0)
        goto cleanup;
    nparams = args->nparams;

    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);
    virTypedParamsFree(params, nparams);
    if (dom)
        virDomainFree(dom);
    return rv;
}

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;
    virDomainMemoryStatPtr stats = NULL;
    int nr_stats;
    size_t i;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (args->maxStats > REMOTE_DOMAIN_MEMORY_STATS_MAX) {
        virReportError(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)
        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)
        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) {
        virReportError(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) {
        virReportError(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)
        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 = 0;
    unsigned int flags;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(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 (args->nparams > REMOTE_DOMAIN_BLOCK_STATS_PARAMETERS_MAX) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
        goto cleanup;
    }
    if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0)
        goto cleanup;
    nparams = args->nparams;

    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);
    virTypedParamsFree(params, nparams);
    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) {
        virReportError(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) {
        virReportError(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)
        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) {
        virReportError(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)
        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)
        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
remoteDispatchDomainGetSecurityLabelList(virNetServerPtr server ATTRIBUTE_UNUSED,
                                         virNetServerClientPtr client ATTRIBUTE_UNUSED,
                                         virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                         virNetMessageErrorPtr rerr,
                                         remote_domain_get_security_label_list_args *args,
                                         remote_domain_get_security_label_list_ret *ret)
{
    virDomainPtr dom = NULL;
    virSecurityLabelPtr seclabels = NULL;
    int len, rv = -1;
    size_t i;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
        goto cleanup;

    if ((len = virDomainGetSecurityLabelList(dom, &seclabels)) < 0) {
        ret->ret = len;
        ret->labels.labels_len = 0;
        ret->labels.labels_val = NULL;
        goto done;
    }

    if (VIR_ALLOC_N(ret->labels.labels_val, len) < 0)
        goto cleanup;

    for (i = 0; i < len; i++) {
        size_t label_len = strlen(seclabels[i].label) + 1;
        remote_domain_get_security_label_ret *cur = &ret->labels.labels_val[i];
        if (VIR_ALLOC_N(cur->label.label_val, label_len) < 0)
            goto cleanup;
        if (virStrcpy(cur->label.label_val, seclabels[i].label, label_len) == NULL) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("failed to copy security label"));
            goto cleanup;
        }
        cur->label.label_len = label_len;
        cur->enforcing = seclabels[i].enforcing;
    }
    ret->labels.labels_len = ret->ret = len;

 done:
    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (dom)
        virDomainFree(dom);
    VIR_FREE(seclabels);
    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) {
        virReportError(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)
        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)
        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) {
        virReportError(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) {
        virReportError(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) {
        virReportError(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 cleanup;

    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;
}

static int
remoteDispatchDomainPinEmulator(virNetServerPtr server ATTRIBUTE_UNUSED,
                                virNetServerClientPtr client,
                                virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                virNetMessageErrorPtr rerr,
                                remote_domain_pin_emulator_args *args)
{
    int rv = -1;
    virDomainPtr dom = NULL;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
        goto cleanup;

    if (virDomainPinEmulator(dom,
                             (unsigned char *) args->cpumap.cpumap_val,
                             args->cpumap.cpumap_len,
                             args->flags) < 0)
        goto cleanup;

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (dom)
        virDomainFree(dom);
    return rv;
}


static int
remoteDispatchDomainGetEmulatorPinInfo(virNetServerPtr server ATTRIBUTE_UNUSED,
                                       virNetServerClientPtr client ATTRIBUTE_UNUSED,
                                       virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                       virNetMessageErrorPtr rerr,
                                       remote_domain_get_emulator_pin_info_args *args,
                                       remote_domain_get_emulator_pin_info_ret *ret)
{
    virDomainPtr dom = NULL;
    unsigned char *cpumaps = NULL;
    int r;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
        goto cleanup;

    /* Allocate buffers to take the results */
    if (args->maplen > 0 &&
        VIR_ALLOC_N(cpumaps, args->maplen) < 0)
        goto cleanup;

    if ((r = virDomainGetEmulatorPinInfo(dom,
                                         cpumaps,
                                         args->maplen,
                                         args->flags)) < 0)
        goto cleanup;

    ret->ret = r;
    ret->cpumaps.cpumaps_len = 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;
}

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;
    size_t i;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(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) {
        virReportError(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) {
        virReportError(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 cleanup;
    if (args->maplen > 0 &&
        VIR_ALLOC_N(cpumaps, args->maxinfo * args->maplen) < 0)
        goto cleanup;

    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 cleanup;

    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;
}

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) {
        virReportError(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)
        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) {
        virReportError(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)
        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);
        VIR_FREE(uri_out);
    }
    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 = 0;
    unsigned int flags;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    flags = args->flags;

    if (args->nparams > REMOTE_DOMAIN_MEMORY_PARAMETERS_MAX) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
        goto cleanup;
    }
    if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0)
        goto cleanup;
    nparams = args->nparams;

    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);
    virTypedParamsFree(params, nparams);
    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 = 0;
    unsigned int flags;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    flags = args->flags;

    if (args->nparams > REMOTE_DOMAIN_NUMA_PARAMETERS_MAX) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
        goto cleanup;
    }
    if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0)
        goto cleanup;
    nparams = args->nparams;

    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);
    virTypedParamsFree(params, nparams);
    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 = 0;
    unsigned int flags;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    flags = args->flags;

    if (args->nparams > REMOTE_DOMAIN_BLKIO_PARAMETERS_MAX) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
        goto cleanup;
    }
    if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0)
        goto cleanup;
    nparams = args->nparams;

    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);
    virTypedParamsFree(params, nparams);
    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;
    size_t i;
    int cpuNum = args->cpuNum;
    int nparams = 0;
    unsigned int flags;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    flags = args->flags;

    if (args->nparams > REMOTE_NODE_CPU_STATS_MAX) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
        goto cleanup;
    }
    if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0)
        goto cleanup;
    nparams = args->nparams;

    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 cleanup;

    for (i = 0; i < nparams; ++i) {
        /* remoteDispatchClientRequest will free this: */
        if (VIR_STRDUP(ret->params.params_val[i].field, params[i].field) < 0)
            goto cleanup;

        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;
}

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;
    size_t i;
    int cellNum = args->cellNum;
    int nparams = 0;
    unsigned int flags;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    flags = args->flags;

    if (args->nparams > REMOTE_NODE_MEMORY_STATS_MAX) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
        goto cleanup;
    }
    if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0)
        goto cleanup;
    nparams = args->nparams;

    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 cleanup;

    for (i = 0; i < nparams; ++i) {
        /* remoteDispatchClientRequest will free this: */
        if (VIR_STRDUP(ret->params.params_val[i].field, params[i].field) < 0)
            goto cleanup;

        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;
}

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) {
        virReportError(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 = 0;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (args->nparams > REMOTE_DOMAIN_BLOCK_IO_TUNE_PARAMETERS_MAX) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
        goto cleanup;
    }

    if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0)
        goto cleanup;
    nparams = args->nparams;

    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);
    virTypedParamsFree(params, nparams);
    if (dom)
        virDomainFree(dom);
    return rv;
}

/*-------------------------------------------------------------*/

static int
remoteDispatchAuthList(virNetServerPtr server,
                       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;
    unsigned long long timestamp;

    /* 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, &timestamp) < 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, (int) callerUid) < 0)
                goto cleanup;
            VIR_INFO("Bypass polkit auth for privileged client %s", ident);
            virNetServerClientSetAuth(client, 0);
            virNetServerTrackCompletedAuth(server);
            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)
        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 WITH_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;

# if WITH_GNUTLS
    /* 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;
    }
# endif

    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();
    virReportError(VIR_ERR_AUTH_FAILED, "%s",
                   _("authentication failed"));
    virNetMessageSaveError(rerr);
    PROBE(RPC_SERVER_CLIENT_AUTH_FAIL,
          "client=%p auth=%d",
          client, REMOTE_AUTH_SASL);
    virObjectUnref(sasl);
    virMutexUnlock(&priv->lock);
    return -1;
}

/*
 * Returns 0 if ok, -1 on error, -2 if rejected
 */
static int
remoteSASLFinish(virNetServerPtr server,
                 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;

    virNetServerClientSetAuth(client, 0);
    virNetServerTrackCompletedAuth(server);
    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);

    virObjectUnref(priv->sasl);
    priv->sasl = NULL;

    return 0;

 error:
    return -1;
}

/*
 * This starts the SASL authentication negotiation.
 */
static int
remoteDispatchAuthSaslStart(virNetServerPtr server,
                            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(server, 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:
    virObjectUnref(priv->sasl);
    priv->sasl = NULL;
    virResetLastError();
    virReportError(VIR_ERR_AUTH_FAILED, "%s",
                   _("authentication failed"));
    if (rv < 0)
        virNetMessageSaveError(rerr);
    virMutexUnlock(&priv->lock);
    return -1;
}


static int
remoteDispatchAuthSaslStep(virNetServerPtr server,
                           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(server, 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:
    virObjectUnref(priv->sasl);
    priv->sasl = NULL;
    virResetLastError();
    virReportError(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");
    virReportError(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");
    virReportError(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");
    virReportError(VIR_ERR_AUTH_FAILED, "%s",
                   _("authentication failed"));
    virNetMessageSaveError(rerr);
    return -1;
}
#endif



static int
remoteDispatchAuthPolkit(virNetServerPtr server,
                         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;
    unsigned long long timestamp;
    const char *action;
    char *ident = NULL;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);
    int rv;

    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, &timestamp) < 0) {
        goto authfail;
    }

    if (timestamp == 0) {
        VIR_WARN("Failing polkit auth due to missing client (pid=%lld) start time",
                 (long long)callerPid);
        goto authfail;
    }

    VIR_INFO("Checking PID %lld running as %d",
             (long long) callerPid, callerUid);

    rv = virPolkitCheckAuth(action,
                            callerPid,
                            timestamp,
                            callerUid,
                            NULL,
                            true);
    if (rv == -1)
        goto authfail;
    else if (rv == -2)
        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;

    virNetServerClientSetAuth(client, 0);
    virNetServerTrackCompletedAuth(server);
    virMutexUnlock(&priv->lock);

    return 0;

 error:
    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;
}


/***************************************************************
 *     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) {
        virReportError(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)
            goto cleanup;
        if (VIR_STRDUP(*parent_p, parent) < 0) {
            VIR_FREE(parent_p);
            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
remoteDispatchConnectDomainEventRegister(virNetServerPtr server ATTRIBUTE_UNUSED,
                                         virNetServerClientPtr client,
                                         virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                         virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED,
                                         remote_connect_domain_event_register_ret *ret ATTRIBUTE_UNUSED)
{
    int callbackID;
    int rv = -1;
    daemonClientEventCallbackPtr callback = NULL;
    daemonClientEventCallbackPtr ref;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    virMutexLock(&priv->lock);

    /* If we call register first, we could append a complete callback
     * to our array, but on OOM append failure, we'd have to then hope
     * deregister works to undo our register.  So instead we append an
     * incomplete callback to our array, then register, then fix up
     * our callback; but since VIR_APPEND_ELEMENT clears 'callback' on
     * success, we use 'ref' to save a copy of the pointer.  */
    if (VIR_ALLOC(callback) < 0)
        goto cleanup;
    callback->client = client;
    callback->eventID = VIR_DOMAIN_EVENT_ID_LIFECYCLE;
    callback->callbackID = -1;
    callback->legacy = true;
    ref = callback;
    if (VIR_APPEND_ELEMENT(priv->domainEventCallbacks,
                           priv->ndomainEventCallbacks,
                           callback) < 0)
        goto cleanup;

    if ((callbackID = virConnectDomainEventRegisterAny(priv->conn,
                                                       NULL,
                                                       VIR_DOMAIN_EVENT_ID_LIFECYCLE,
                                                       VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventLifecycle),
                                                       ref,
                                                       remoteEventCallbackFree)) < 0) {
        VIR_SHRINK_N(priv->domainEventCallbacks,
                     priv->ndomainEventCallbacks, 1);
        callback = ref;
        goto cleanup;
    }

    ref->callbackID = callbackID;

    rv = 0;

 cleanup:
    VIR_FREE(callback);
    if (rv < 0)
        virNetMessageSaveError(rerr);
    virMutexUnlock(&priv->lock);
    return rv;
}

static int
remoteDispatchConnectDomainEventDeregister(virNetServerPtr server ATTRIBUTE_UNUSED,
                                           virNetServerClientPtr client,
                                           virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                           virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED,
                                           remote_connect_domain_event_deregister_ret *ret ATTRIBUTE_UNUSED)
{
    int callbackID = -1;
    int rv = -1;
    size_t i;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    virMutexLock(&priv->lock);

    for (i = 0; i < priv->ndomainEventCallbacks; i++) {
        if (priv->domainEventCallbacks[i]->eventID == VIR_DOMAIN_EVENT_ID_LIFECYCLE) {
            callbackID = priv->domainEventCallbacks[i]->callbackID;
            break;
        }
    }

    if (callbackID < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("domain event %d not registered"),
                       VIR_DOMAIN_EVENT_ID_LIFECYCLE);
        goto cleanup;
    }

    if (virConnectDomainEventDeregisterAny(priv->conn, callbackID) < 0)
        goto cleanup;

    VIR_DELETE_ELEMENT(priv->domainEventCallbacks, i,
                       priv->ndomainEventCallbacks);

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    virMutexUnlock(&priv->lock);
    return rv;
}

static void
remoteDispatchObjectEventSend(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) {
        virReportError(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) {
        virReportError(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;
}


/* Due to back-compat reasons, two RPC calls map to the same libvirt
 * API of virConnectDomainEventRegisterAny.  A client should only use
 * the new call if they have probed
 * VIR_DRV_SUPPORTS_FEATURE(VIR_DRV_FEATURE_REMOTE_EVENT_CALLBACK),
 * and must not mix the two styles.  */
static int
remoteDispatchConnectDomainEventRegisterAny(virNetServerPtr server ATTRIBUTE_UNUSED,
                                            virNetServerClientPtr client,
                                            virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                            virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED,
                                            remote_connect_domain_event_register_any_args *args)
{
    int callbackID;
    int rv = -1;
    daemonClientEventCallbackPtr callback = NULL;
    daemonClientEventCallbackPtr ref;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    virMutexLock(&priv->lock);

    /* We intentionally do not use VIR_DOMAIN_EVENT_ID_LAST here; any
     * new domain events added after this point should only use the
     * modern callback style of RPC.  */
    if (args->eventID > VIR_DOMAIN_EVENT_ID_DEVICE_REMOVED ||
        args->eventID < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported event ID %d"),
                       args->eventID);
        goto cleanup;
    }

    /* If we call register first, we could append a complete callback
     * to our array, but on OOM append failure, we'd have to then hope
     * deregister works to undo our register.  So instead we append an
     * incomplete callback to our array, then register, then fix up
     * our callback; but since VIR_APPEND_ELEMENT clears 'callback' on
     * success, we use 'ref' to save a copy of the pointer.  */
    if (VIR_ALLOC(callback) < 0)
        goto cleanup;
    callback->client = client;
    callback->eventID = args->eventID;
    callback->callbackID = -1;
    callback->legacy = true;
    ref = callback;
    if (VIR_APPEND_ELEMENT(priv->domainEventCallbacks,
                           priv->ndomainEventCallbacks,
                           callback) < 0)
        goto cleanup;

    if ((callbackID = virConnectDomainEventRegisterAny(priv->conn,
                                                       NULL,
                                                       args->eventID,
                                                       domainEventCallbacks[args->eventID],
                                                       ref,
                                                       remoteEventCallbackFree)) < 0) {
        VIR_SHRINK_N(priv->domainEventCallbacks,
                     priv->ndomainEventCallbacks, 1);
        callback = ref;
        goto cleanup;
    }

    ref->callbackID = callbackID;

    rv = 0;

 cleanup:
    VIR_FREE(callback);
    if (rv < 0)
        virNetMessageSaveError(rerr);
    virMutexUnlock(&priv->lock);
    return rv;
}


static int
remoteDispatchConnectDomainEventCallbackRegisterAny(virNetServerPtr server ATTRIBUTE_UNUSED,
                                                    virNetServerClientPtr client,
                                                    virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                                    virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED,
                                                    remote_connect_domain_event_callback_register_any_args *args,
                                                    remote_connect_domain_event_callback_register_any_ret *ret)
{
    int callbackID;
    int rv = -1;
    daemonClientEventCallbackPtr callback = NULL;
    daemonClientEventCallbackPtr ref;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);
    virDomainPtr dom = NULL;

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    virMutexLock(&priv->lock);

    if (args->dom &&
        !(dom = get_nonnull_domain(priv->conn, *args->dom)))
        goto cleanup;

    if (args->eventID >= VIR_DOMAIN_EVENT_ID_LAST || args->eventID < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported event ID %d"),
                       args->eventID);
        goto cleanup;
    }

    /* If we call register first, we could append a complete callback
     * to our array, but on OOM append failure, we'd have to then hope
     * deregister works to undo our register.  So instead we append an
     * incomplete callback to our array, then register, then fix up
     * our callback; but since VIR_APPEND_ELEMENT clears 'callback' on
     * success, we use 'ref' to save a copy of the pointer.  */
    if (VIR_ALLOC(callback) < 0)
        goto cleanup;
    callback->client = client;
    callback->eventID = args->eventID;
    callback->callbackID = -1;
    ref = callback;
    if (VIR_APPEND_ELEMENT(priv->domainEventCallbacks,
                           priv->ndomainEventCallbacks,
                           callback) < 0)
        goto cleanup;

    if ((callbackID = virConnectDomainEventRegisterAny(priv->conn,
                                                       dom,
                                                       args->eventID,
                                                       domainEventCallbacks[args->eventID],
                                                       ref,
                                                       remoteEventCallbackFree)) < 0) {
        VIR_SHRINK_N(priv->domainEventCallbacks,
                     priv->ndomainEventCallbacks, 1);
        callback = ref;
        goto cleanup;
    }

    ref->callbackID = callbackID;
    ret->callbackID = callbackID;

    rv = 0;

 cleanup:
    VIR_FREE(callback);
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (dom)
        virDomainFree(dom);
    virMutexUnlock(&priv->lock);
    return rv;
}


static int
remoteDispatchConnectDomainEventDeregisterAny(virNetServerPtr server ATTRIBUTE_UNUSED,
                                              virNetServerClientPtr client,
                                              virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                              virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED,
                                              remote_connect_domain_event_deregister_any_args *args)
{
    int callbackID = -1;
    int rv = -1;
    size_t i;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    virMutexLock(&priv->lock);

    /* We intentionally do not use VIR_DOMAIN_EVENT_ID_LAST here; any
     * new domain events added after this point should only use the
     * modern callback style of RPC.  */
    if (args->eventID > VIR_DOMAIN_EVENT_ID_DEVICE_REMOVED ||
        args->eventID < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported event ID %d"),
                       args->eventID);
        goto cleanup;
    }

    for (i = 0; i < priv->ndomainEventCallbacks; i++) {
        if (priv->domainEventCallbacks[i]->eventID == args->eventID) {
            callbackID = priv->domainEventCallbacks[i]->callbackID;
            break;
        }
    }
    if (callbackID < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("domain event %d not registered"), args->eventID);
        goto cleanup;
    }

    if (virConnectDomainEventDeregisterAny(priv->conn, callbackID) < 0)
        goto cleanup;

    VIR_DELETE_ELEMENT(priv->domainEventCallbacks, i,
                       priv->ndomainEventCallbacks);

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    virMutexUnlock(&priv->lock);
    return rv;
}


static int
remoteDispatchConnectDomainEventCallbackDeregisterAny(virNetServerPtr server ATTRIBUTE_UNUSED,
                                                      virNetServerClientPtr client,
                                                      virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                                      virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED,
                                                      remote_connect_domain_event_callback_deregister_any_args *args)
{
    int rv = -1;
    size_t i;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    virMutexLock(&priv->lock);

    for (i = 0; i < priv->ndomainEventCallbacks; i++) {
        if (priv->domainEventCallbacks[i]->callbackID == args->callbackID)
            break;
    }
    if (i == priv->ndomainEventCallbacks) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("domain event callback %d not registered"),
                       args->callbackID);
        goto cleanup;
    }

    if (virConnectDomainEventDeregisterAny(priv->conn, args->callbackID) < 0)
        goto cleanup;

    VIR_DELETE_ELEMENT(priv->domainEventCallbacks, i,
                       priv->ndomainEventCallbacks);

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    virMutexUnlock(&priv->lock);
    return rv;
}


static int
qemuDispatchDomainMonitorCommand(virNetServerPtr server ATTRIBUTE_UNUSED,
                                 virNetServerClientPtr client ATTRIBUTE_UNUSED,
                                 virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                 virNetMessageErrorPtr rerr,
                                 qemu_domain_monitor_command_args *args,
                                 qemu_domain_monitor_command_ret *ret)
{
    virDomainPtr dom = NULL;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(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) {
        virReportError(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) {
        virReportError(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)
        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) {
        virReportError(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) {
        virReportError(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) {
        virReportError(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 remoteDispatchConnectSupportsFeature(virNetServerPtr server ATTRIBUTE_UNUSED,
                                                virNetServerClientPtr client,
                                                virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                                virNetMessageErrorPtr rerr,
                                                remote_connect_supports_feature_args *args,
                                                remote_connect_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) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    switch (args->feature) {
    case VIR_DRV_FEATURE_FD_PASSING:
    case VIR_DRV_FEATURE_REMOTE_EVENT_CALLBACK:
        supported = 1;
        break;

    default:
        if ((supported = virConnectSupportsFeature(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) {
        virReportError(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
remoteDispatchDomainOpenGraphicsFd(virNetServerPtr server ATTRIBUTE_UNUSED,
                                   virNetServerClientPtr client ATTRIBUTE_UNUSED,
                                   virNetMessagePtr msg,
                                   virNetMessageErrorPtr rerr,
                                   remote_domain_open_graphics_fd_args *args)
{
    virDomainPtr dom = NULL;
    int rv = -1;
    int fd = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
        goto cleanup;

    if ((fd = virDomainOpenGraphicsFD(dom,
                                      args->idx,
                                      args->flags)) < 0)
        goto cleanup;

    if (virNetMessageAddFD(msg, fd) < 0)
        goto cleanup;

    /* return 1 here to let virNetServerProgramDispatchCall know
     * we are passing a FD */
    rv = 1;

 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 = 0;
    unsigned int flags;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    flags = args->flags;

    if (args->nparams > REMOTE_DOMAIN_INTERFACE_PARAMETERS_MAX) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
        goto cleanup;
    }
    if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0)
        goto cleanup;
    nparams = args->nparams;

    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);
    virTypedParamsFree(params, nparams);
    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) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (args->nparams > REMOTE_NODE_CPU_STATS_MAX) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
        goto cleanup;
    }
    if (args->ncpus > REMOTE_DOMAIN_GET_CPU_STATS_NCPUS_MAX) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("ncpus too large"));
        goto cleanup;
    }

    if (args->nparams > 0 &&
        VIR_ALLOC_N(params, args->ncpus * args->nparams) < 0)
        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)) {
        size_t i;

        for (i = 0; i < percpu_len; i++) {
            if (params[i].type == VIR_TYPED_PARAM_STRING)
                ret->nparams--;
        }
    }

 cleanup:
    if (rv < 0)
         virNetMessageSaveError(rerr);
    virTypedParamsFree(params, args->ncpus * args->nparams);
    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) {
        virReportError(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) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("maxerrors too large"));
        goto cleanup;
    }

    if (args->maxerrors &&
        VIR_ALLOC_N(errors, args->maxerrors) < 0)
        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 && len > 0) {
        size_t i;
        for (i = 0; i < len; i++)
            VIR_FREE(errors[i].disk);
    }
    VIR_FREE(errors);
    return rv;
}

static int
remoteDispatchDomainListAllSnapshots(virNetServerPtr server ATTRIBUTE_UNUSED,
                                     virNetServerClientPtr client,
                                     virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                     virNetMessageErrorPtr rerr,
                                     remote_domain_list_all_snapshots_args *args,
                                     remote_domain_list_all_snapshots_ret *ret)
{
    virDomainSnapshotPtr *snaps = NULL;
    int nsnaps = 0;
    size_t i;
    int rv = -1;
    struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);
    virDomainPtr dom = NULL;

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
        goto cleanup;

    if ((nsnaps = virDomainListAllSnapshots(dom,
                                            args->need_results ? &snaps : NULL,
                                            args->flags)) < 0)
        goto cleanup;

    if (nsnaps > REMOTE_DOMAIN_SNAPSHOT_LIST_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many domain snapshots '%d' for limit '%d'"),
                       nsnaps, REMOTE_DOMAIN_SNAPSHOT_LIST_MAX);
        goto cleanup;
    }

    if (snaps && nsnaps) {
        if (VIR_ALLOC_N(ret->snapshots.snapshots_val, nsnaps) < 0)
            goto cleanup;

        ret->snapshots.snapshots_len = nsnaps;

        for (i = 0; i < nsnaps; i++)
            make_nonnull_domain_snapshot(ret->snapshots.snapshots_val + i,
                                         snaps[i]);
    } else {
        ret->snapshots.snapshots_len = 0;
        ret->snapshots.snapshots_val = NULL;
    }

    ret->ret = nsnaps;
    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (dom)
        virDomainFree(dom);
    if (snaps && nsnaps > 0) {
        for (i = 0; i < nsnaps; i++)
            virDomainSnapshotFree(snaps[i]);
        VIR_FREE(snaps);
    }
    return rv;
}

static int
remoteDispatchDomainSnapshotListAllChildren(virNetServerPtr server ATTRIBUTE_UNUSED,
                                            virNetServerClientPtr client,
                                            virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                            virNetMessageErrorPtr rerr,
                                            remote_domain_snapshot_list_all_children_args *args,
                                            remote_domain_snapshot_list_all_children_ret *ret)
{
    virDomainSnapshotPtr *snaps = NULL;
    int nsnaps = 0;
    size_t i;
    int rv = -1;
    struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);
    virDomainPtr dom = NULL;
    virDomainSnapshotPtr snapshot = NULL;

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (!(dom = get_nonnull_domain(priv->conn, args->snapshot.dom)))
        goto cleanup;

    if (!(snapshot = get_nonnull_domain_snapshot(dom, args->snapshot)))
        goto cleanup;

    if ((nsnaps = virDomainSnapshotListAllChildren(snapshot,
                                                   args->need_results ? &snaps : NULL,
                                                   args->flags)) < 0)
        goto cleanup;

    if (nsnaps > REMOTE_DOMAIN_SNAPSHOT_LIST_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many domain snapshots '%d' for limit '%d'"),
                       nsnaps, REMOTE_DOMAIN_SNAPSHOT_LIST_MAX);
        goto cleanup;
    }

    if (snaps && nsnaps) {
        if (VIR_ALLOC_N(ret->snapshots.snapshots_val, nsnaps) < 0)
            goto cleanup;

        ret->snapshots.snapshots_len = nsnaps;

        for (i = 0; i < nsnaps; i++)
            make_nonnull_domain_snapshot(ret->snapshots.snapshots_val + i,
                                         snaps[i]);
    } else {
        ret->snapshots.snapshots_len = 0;
        ret->snapshots.snapshots_val = NULL;
    }

    ret->ret = nsnaps;
    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (snapshot)
        virDomainSnapshotFree(snapshot);
    if (dom)
        virDomainFree(dom);
    if (snaps && nsnaps > 0) {
        for (i = 0; i < nsnaps; i++)
            virDomainSnapshotFree(snaps[i]);
        VIR_FREE(snaps);
    }
    return rv;
}

static int
remoteDispatchConnectListAllStoragePools(virNetServerPtr server ATTRIBUTE_UNUSED,
                                         virNetServerClientPtr client,
                                         virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                         virNetMessageErrorPtr rerr,
                                         remote_connect_list_all_storage_pools_args *args,
                                         remote_connect_list_all_storage_pools_ret *ret)
{
    virStoragePoolPtr *pools = NULL;
    int npools = 0;
    size_t i;
    int rv = -1;
    struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if ((npools = virConnectListAllStoragePools(priv->conn,
                                                args->need_results ? &pools : NULL,
                                                args->flags)) < 0)
        goto cleanup;

    if (npools > REMOTE_STORAGE_POOL_LIST_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many storage pools '%d' for limit '%d'"),
                       npools, REMOTE_STORAGE_POOL_LIST_MAX);
        goto cleanup;
    }

    if (pools && npools) {
        if (VIR_ALLOC_N(ret->pools.pools_val, npools) < 0)
            goto cleanup;

        ret->pools.pools_len = npools;

        for (i = 0; i < npools; i++)
            make_nonnull_storage_pool(ret->pools.pools_val + i, pools[i]);
    } else {
        ret->pools.pools_len = 0;
        ret->pools.pools_val = NULL;
    }

    ret->ret = npools;

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (pools && npools > 0) {
        for (i = 0; i < npools; i++)
            virStoragePoolFree(pools[i]);
        VIR_FREE(pools);
    }
    return rv;
}

static int
remoteDispatchStoragePoolListAllVolumes(virNetServerPtr server ATTRIBUTE_UNUSED,
                                        virNetServerClientPtr client,
                                        virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                        virNetMessageErrorPtr rerr,
                                        remote_storage_pool_list_all_volumes_args *args,
                                        remote_storage_pool_list_all_volumes_ret *ret)
{
    virStorageVolPtr *vols = NULL;
    virStoragePoolPtr pool = NULL;
    int nvols = 0;
    size_t i;
    int rv = -1;
    struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (!(pool = get_nonnull_storage_pool(priv->conn, args->pool)))
        goto cleanup;

    if ((nvols = virStoragePoolListAllVolumes(pool,
                                              args->need_results ? &vols : NULL,
                                              args->flags)) < 0)
        goto cleanup;

    if (nvols > REMOTE_STORAGE_VOL_LIST_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many storage volumes '%d' for limit '%d'"),
                       nvols, REMOTE_STORAGE_VOL_LIST_MAX);
        goto cleanup;
    }

    if (vols && nvols) {
        if (VIR_ALLOC_N(ret->vols.vols_val, nvols) < 0)
            goto cleanup;

        ret->vols.vols_len = nvols;

        for (i = 0; i < nvols; i++)
            make_nonnull_storage_vol(ret->vols.vols_val + i, vols[i]);
    } else {
        ret->vols.vols_len = 0;
        ret->vols.vols_val = NULL;
    }

    ret->ret = nvols;

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (vols && nvols > 0) {
        for (i = 0; i < nvols; i++)
            virStorageVolFree(vols[i]);
        VIR_FREE(vols);
    }
    if (pool)
        virStoragePoolFree(pool);
    return rv;
}

static int
remoteDispatchConnectListAllNetworks(virNetServerPtr server ATTRIBUTE_UNUSED,
                                     virNetServerClientPtr client,
                                     virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                     virNetMessageErrorPtr rerr,
                                     remote_connect_list_all_networks_args *args,
                                     remote_connect_list_all_networks_ret *ret)
{
    virNetworkPtr *nets = NULL;
    int nnets = 0;
    size_t i;
    int rv = -1;
    struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if ((nnets = virConnectListAllNetworks(priv->conn,
                                           args->need_results ? &nets : NULL,
                                           args->flags)) < 0)
        goto cleanup;

    if (nnets > REMOTE_NETWORK_LIST_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many networks '%d' for limit '%d'"),
                       nnets, REMOTE_NETWORK_LIST_MAX);
        goto cleanup;
    }

    if (nets && nnets) {
        if (VIR_ALLOC_N(ret->nets.nets_val, nnets) < 0)
            goto cleanup;

        ret->nets.nets_len = nnets;

        for (i = 0; i < nnets; i++)
            make_nonnull_network(ret->nets.nets_val + i, nets[i]);
    } else {
        ret->nets.nets_len = 0;
        ret->nets.nets_val = NULL;
    }

    ret->ret = nnets;

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (nets && nnets > 0) {
        for (i = 0; i < nnets; i++)
            virNetworkFree(nets[i]);
        VIR_FREE(nets);
    }
    return rv;
}

static int
remoteDispatchConnectListAllInterfaces(virNetServerPtr server ATTRIBUTE_UNUSED,
                                       virNetServerClientPtr client,
                                       virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                       virNetMessageErrorPtr rerr,
                                       remote_connect_list_all_interfaces_args *args,
                                       remote_connect_list_all_interfaces_ret *ret)
{
    virInterfacePtr *ifaces = NULL;
    int nifaces = 0;
    size_t i;
    int rv = -1;
    struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if ((nifaces = virConnectListAllInterfaces(priv->conn,
                                               args->need_results ? &ifaces : NULL,
                                               args->flags)) < 0)
        goto cleanup;

    if (nifaces > REMOTE_INTERFACE_LIST_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many interfaces '%d' for limit '%d'"),
                       nifaces, REMOTE_INTERFACE_LIST_MAX);
        goto cleanup;
    }

    if (ifaces && nifaces) {
        if (VIR_ALLOC_N(ret->ifaces.ifaces_val, nifaces) < 0)
            goto cleanup;

        ret->ifaces.ifaces_len = nifaces;

        for (i = 0; i < nifaces; i++)
            make_nonnull_interface(ret->ifaces.ifaces_val + i, ifaces[i]);
    } else {
        ret->ifaces.ifaces_len = 0;
        ret->ifaces.ifaces_val = NULL;
    }

    ret->ret = nifaces;

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (ifaces && nifaces > 0) {
        for (i = 0; i < nifaces; i++)
            virInterfaceFree(ifaces[i]);
        VIR_FREE(ifaces);
    }
    return rv;
}

static int
remoteDispatchConnectListAllNodeDevices(virNetServerPtr server ATTRIBUTE_UNUSED,
                                        virNetServerClientPtr client,
                                        virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                        virNetMessageErrorPtr rerr,
                                        remote_connect_list_all_node_devices_args *args,
                                        remote_connect_list_all_node_devices_ret *ret)
{
    virNodeDevicePtr *devices = NULL;
    int ndevices = 0;
    size_t i;
    int rv = -1;
    struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if ((ndevices = virConnectListAllNodeDevices(priv->conn,
                                                 args->need_results ? &devices : NULL,
                                                 args->flags)) < 0)
        goto cleanup;

    if (ndevices > REMOTE_NODE_DEVICE_LIST_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many node devices '%d' for limit '%d'"),
                       ndevices, REMOTE_NODE_DEVICE_LIST_MAX);
        goto cleanup;
    }

    if (devices && ndevices) {
        if (VIR_ALLOC_N(ret->devices.devices_val, ndevices) < 0)
            goto cleanup;

        ret->devices.devices_len = ndevices;

        for (i = 0; i < ndevices; i++)
            make_nonnull_node_device(ret->devices.devices_val + i, devices[i]);
    } else {
        ret->devices.devices_len = 0;
        ret->devices.devices_val = NULL;
    }

    ret->ret = ndevices;

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (devices && ndevices > 0) {
        for (i = 0; i < ndevices; i++)
            virNodeDeviceFree(devices[i]);
        VIR_FREE(devices);
    }
    return rv;
}

static int
remoteDispatchConnectListAllNWFilters(virNetServerPtr server ATTRIBUTE_UNUSED,
                                      virNetServerClientPtr client,
                                      virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                      virNetMessageErrorPtr rerr,
                                      remote_connect_list_all_nwfilters_args *args,
                                      remote_connect_list_all_nwfilters_ret *ret)
{
    virNWFilterPtr *filters = NULL;
    int nfilters = 0;
    size_t i;
    int rv = -1;
    struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if ((nfilters = virConnectListAllNWFilters(priv->conn,
                                               args->need_results ? &filters : NULL,
                                               args->flags)) < 0)
        goto cleanup;

    if (nfilters > REMOTE_NWFILTER_LIST_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many network filters '%d' for limit '%d'"),
                       nfilters, REMOTE_NWFILTER_LIST_MAX);
        goto cleanup;
    }

    if (filters && nfilters) {
        if (VIR_ALLOC_N(ret->filters.filters_val, nfilters) < 0)
            goto cleanup;

        ret->filters.filters_len = nfilters;

        for (i = 0; i < nfilters; i++)
            make_nonnull_nwfilter(ret->filters.filters_val + i, filters[i]);
    } else {
        ret->filters.filters_len = 0;
        ret->filters.filters_val = NULL;
    }

    ret->ret = nfilters;

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (filters && nfilters > 0) {
        for (i = 0; i < nfilters; i++)
            virNWFilterFree(filters[i]);
        VIR_FREE(filters);
    }
    return rv;
}

static int
remoteDispatchConnectListAllSecrets(virNetServerPtr server ATTRIBUTE_UNUSED,
                                    virNetServerClientPtr client,
                                    virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                    virNetMessageErrorPtr rerr,
                                    remote_connect_list_all_secrets_args *args,
                                    remote_connect_list_all_secrets_ret *ret)
{
    virSecretPtr *secrets = NULL;
    int nsecrets = 0;
    size_t i;
    int rv = -1;
    struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if ((nsecrets = virConnectListAllSecrets(priv->conn,
                                             args->need_results ? &secrets : NULL,
                                             args->flags)) < 0)
        goto cleanup;

    if (nsecrets > REMOTE_SECRET_LIST_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many secrets '%d' for limit '%d'"),
                       nsecrets, REMOTE_SECRET_LIST_MAX);
        goto cleanup;
    }

    if (secrets && nsecrets) {
        if (VIR_ALLOC_N(ret->secrets.secrets_val, nsecrets) < 0)
            goto cleanup;

        ret->secrets.secrets_len = nsecrets;

        for (i = 0; i < nsecrets; i++)
            make_nonnull_secret(ret->secrets.secrets_val + i, secrets[i]);
    } else {
        ret->secrets.secrets_len = 0;
        ret->secrets.secrets_val = NULL;
    }

    ret->ret = nsecrets;

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (secrets && nsecrets > 0) {
        for (i = 0; i < nsecrets; i++)
            virSecretFree(secrets[i]);
        VIR_FREE(secrets);
    }
    return rv;
}

static int
remoteDispatchNodeGetMemoryParameters(virNetServerPtr server ATTRIBUTE_UNUSED,
                                      virNetServerClientPtr client ATTRIBUTE_UNUSED,
                                      virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                      virNetMessageErrorPtr rerr,
                                      remote_node_get_memory_parameters_args *args,
                                      remote_node_get_memory_parameters_ret *ret)
{
    virTypedParameterPtr params = NULL;
    int nparams = 0;
    unsigned int flags;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    flags = args->flags;

    if (args->nparams > REMOTE_NODE_MEMORY_PARAMETERS_MAX) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
        goto cleanup;
    }
    if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0)
        goto cleanup;
    nparams = args->nparams;

    if (virNodeGetMemoryParameters(priv->conn, 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);
    virTypedParamsFree(params, nparams);
    return rv;
}

static int
remoteDispatchNodeGetCPUMap(virNetServerPtr server ATTRIBUTE_UNUSED,
                            virNetServerClientPtr client ATTRIBUTE_UNUSED,
                            virNetMessagePtr msg ATTRIBUTE_UNUSED,
                            virNetMessageErrorPtr rerr,
                            remote_node_get_cpu_map_args *args,
                            remote_node_get_cpu_map_ret *ret)
{
    unsigned char *cpumap = NULL;
    unsigned int online = 0;
    unsigned int flags;
    int cpunum;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    flags = args->flags;

    cpunum = virNodeGetCPUMap(priv->conn, args->need_map ? &cpumap : NULL,
                              args->need_online ? &online : NULL, flags);
    if (cpunum < 0)
        goto cleanup;

    /* 'serialize' return cpumap */
    if (args->need_map) {
        ret->cpumap.cpumap_len = VIR_CPU_MAPLEN(cpunum);
        ret->cpumap.cpumap_val = (char *) cpumap;
        cpumap = NULL;
    }

    ret->online = online;
    ret->ret = cpunum;

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    VIR_FREE(cpumap);
    return rv;
}

static int
lxcDispatchDomainOpenNamespace(virNetServerPtr server ATTRIBUTE_UNUSED,
                               virNetServerClientPtr client ATTRIBUTE_UNUSED,
                               virNetMessagePtr msg ATTRIBUTE_UNUSED,
                               virNetMessageErrorPtr rerr,
                               lxc_domain_open_namespace_args *args)
{
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);
    int *fdlist = NULL;
    int ret;
    virDomainPtr dom = NULL;
    size_t i;

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
        goto cleanup;

    ret = virDomainLxcOpenNamespace(dom,
                                    &fdlist,
                                    args->flags);
    if (ret < 0)
        goto cleanup;

    /* We shouldn't have received any from the client,
     * but in case they're playing games with us, prevent
     * a resource leak
     */
    for (i = 0; i < msg->nfds; i++)
        VIR_FORCE_CLOSE(msg->fds[i]);
    VIR_FREE(msg->fds);
    msg->nfds = 0;

    msg->fds = fdlist;
    msg->nfds = ret;

    rv = 1;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (dom)
        virDomainFree(dom);
    return rv;
}

static int
remoteDispatchDomainGetJobStats(virNetServerPtr server ATTRIBUTE_UNUSED,
                                virNetServerClientPtr client,
                                virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                virNetMessageErrorPtr rerr,
                                remote_domain_get_job_stats_args *args,
                                remote_domain_get_job_stats_ret *ret)
{
    virDomainPtr dom = NULL;
    virTypedParameterPtr params = NULL;
    int nparams = 0;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
        goto cleanup;

    if (virDomainGetJobStats(dom, &ret->type, &params,
                             &nparams, args->flags) < 0)
        goto cleanup;

    if (nparams > REMOTE_DOMAIN_JOB_STATS_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many job stats '%d' for limit '%d'"),
                       nparams, REMOTE_DOMAIN_JOB_STATS_MAX);
        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);
    virTypedParamsFree(params, nparams);
    if (dom)
        virDomainFree(dom);
    return rv;
}

static int
remoteDispatchDomainMigrateBegin3Params(virNetServerPtr server ATTRIBUTE_UNUSED,
                                        virNetServerClientPtr client ATTRIBUTE_UNUSED,
                                        virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                        virNetMessageErrorPtr rerr,
                                        remote_domain_migrate_begin3_params_args *args,
                                        remote_domain_migrate_begin3_params_ret *ret)
{
    char *xml = NULL;
    virDomainPtr dom = NULL;
    virTypedParameterPtr params = NULL;
    int nparams = 0;
    char *cookieout = NULL;
    int cookieoutlen = 0;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (args->params.params_len > REMOTE_DOMAIN_MIGRATE_PARAM_LIST_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many migration parameters '%d' for limit '%d'"),
                       args->params.params_len, REMOTE_DOMAIN_MIGRATE_PARAM_LIST_MAX);
        goto cleanup;
    }

    if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
        goto cleanup;

    if (!(params = remoteDeserializeTypedParameters(args->params.params_val,
                                                    args->params.params_len,
                                                    0, &nparams)))
        goto cleanup;

    if (!(xml = virDomainMigrateBegin3Params(dom, params, nparams,
                                             &cookieout, &cookieoutlen,
                                             args->flags)))
        goto cleanup;

    ret->cookie_out.cookie_out_len = cookieoutlen;
    ret->cookie_out.cookie_out_val = cookieout;
    ret->xml = xml;

    rv = 0;

 cleanup:
    virTypedParamsFree(params, nparams);
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (dom)
        virDomainFree(dom);
    return rv;
}

static int
remoteDispatchDomainMigratePrepare3Params(virNetServerPtr server ATTRIBUTE_UNUSED,
                                          virNetServerClientPtr client ATTRIBUTE_UNUSED,
                                          virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                          virNetMessageErrorPtr rerr,
                                          remote_domain_migrate_prepare3_params_args *args,
                                          remote_domain_migrate_prepare3_params_ret *ret)
{
    virTypedParameterPtr params = NULL;
    int nparams = 0;
    char *cookieout = NULL;
    int cookieoutlen = 0;
    char **uri_out;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (args->params.params_len > REMOTE_DOMAIN_MIGRATE_PARAM_LIST_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many migration parameters '%d' for limit '%d'"),
                       args->params.params_len, REMOTE_DOMAIN_MIGRATE_PARAM_LIST_MAX);
        goto cleanup;
    }

    if (!(params = remoteDeserializeTypedParameters(args->params.params_val,
                                                    args->params.params_len,
                                                    0, &nparams)))
        goto cleanup;

    /* Wacky world of XDR ... */
    if (VIR_ALLOC(uri_out) < 0)
        goto cleanup;

    if (virDomainMigratePrepare3Params(priv->conn, params, nparams,
                                       args->cookie_in.cookie_in_val,
                                       args->cookie_in.cookie_in_len,
                                       &cookieout, &cookieoutlen,
                                       uri_out, args->flags) < 0)
        goto cleanup;

    ret->cookie_out.cookie_out_len = cookieoutlen;
    ret->cookie_out.cookie_out_val = cookieout;
    ret->uri_out = !*uri_out ? NULL : uri_out;

    rv = 0;

 cleanup:
    virTypedParamsFree(params, nparams);
    if (rv < 0) {
        virNetMessageSaveError(rerr);
        VIR_FREE(uri_out);
    }
    return rv;
}

static int
remoteDispatchDomainMigratePrepareTunnel3Params(virNetServerPtr server ATTRIBUTE_UNUSED,
                                                virNetServerClientPtr client,
                                                virNetMessagePtr msg,
                                                virNetMessageErrorPtr rerr,
                                                remote_domain_migrate_prepare_tunnel3_params_args *args,
                                                remote_domain_migrate_prepare_tunnel3_params_ret *ret)
{
    virTypedParameterPtr params = NULL;
    int nparams = 0;
    char *cookieout = NULL;
    int cookieoutlen = 0;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);
    virStreamPtr st = NULL;
    daemonClientStreamPtr stream = NULL;

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (args->params.params_len > REMOTE_DOMAIN_MIGRATE_PARAM_LIST_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many migration parameters '%d' for limit '%d'"),
                       args->params.params_len, REMOTE_DOMAIN_MIGRATE_PARAM_LIST_MAX);
        goto cleanup;
    }

    if (!(params = remoteDeserializeTypedParameters(args->params.params_val,
                                                    args->params.params_len,
                                                    0, &nparams)))
        goto cleanup;

    if (!(st = virStreamNew(priv->conn, VIR_STREAM_NONBLOCK)) ||
        !(stream = daemonCreateClientStream(client, st, remoteProgram,
                                            &msg->header)))
        goto cleanup;

    if (virDomainMigratePrepareTunnel3Params(priv->conn, st, params, nparams,
                                             args->cookie_in.cookie_in_val,
                                             args->cookie_in.cookie_in_len,
                                             &cookieout, &cookieoutlen,
                                             args->flags) < 0)
        goto cleanup;

    if (daemonAddClientStream(client, stream, false) < 0)
        goto cleanup;

    ret->cookie_out.cookie_out_val = cookieout;
    ret->cookie_out.cookie_out_len = cookieoutlen;
    rv = 0;

 cleanup:
    virTypedParamsFree(params, nparams);
    if (rv < 0) {
        virNetMessageSaveError(rerr);
        VIR_FREE(cookieout);
        if (stream) {
            virStreamAbort(st);
            daemonFreeClientStream(client, stream);
        } else {
            virStreamFree(st);
        }
    }
    return rv;
}


static int
remoteDispatchDomainMigratePerform3Params(virNetServerPtr server ATTRIBUTE_UNUSED,
                                          virNetServerClientPtr client ATTRIBUTE_UNUSED,
                                          virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                          virNetMessageErrorPtr rerr,
                                          remote_domain_migrate_perform3_params_args *args,
                                          remote_domain_migrate_perform3_params_ret *ret)
{
    virTypedParameterPtr params = NULL;
    int nparams = 0;
    virDomainPtr dom = NULL;
    char *cookieout = NULL;
    int cookieoutlen = 0;
    char *dconnuri;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (args->params.params_len > REMOTE_DOMAIN_MIGRATE_PARAM_LIST_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many migration parameters '%d' for limit '%d'"),
                       args->params.params_len, REMOTE_DOMAIN_MIGRATE_PARAM_LIST_MAX);
        goto cleanup;
    }

    if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
        goto cleanup;

    if (!(params = remoteDeserializeTypedParameters(args->params.params_val,
                                                    args->params.params_len,
                                                    0, &nparams)))
        goto cleanup;

    dconnuri = args->dconnuri == NULL ? NULL : *args->dconnuri;

    if (virDomainMigratePerform3Params(dom, dconnuri, params, nparams,
                                       args->cookie_in.cookie_in_val,
                                       args->cookie_in.cookie_in_len,
                                       &cookieout, &cookieoutlen,
                                       args->flags) < 0)
        goto cleanup;

    ret->cookie_out.cookie_out_len = cookieoutlen;
    ret->cookie_out.cookie_out_val = cookieout;

    rv = 0;

 cleanup:
    virTypedParamsFree(params, nparams);
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (dom)
        virDomainFree(dom);
    return rv;
}


static int
remoteDispatchDomainMigrateFinish3Params(virNetServerPtr server ATTRIBUTE_UNUSED,
                                         virNetServerClientPtr client ATTRIBUTE_UNUSED,
                                         virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                         virNetMessageErrorPtr rerr,
                                         remote_domain_migrate_finish3_params_args *args,
                                         remote_domain_migrate_finish3_params_ret *ret)
{
    virTypedParameterPtr params = NULL;
    int nparams = 0;
    virDomainPtr dom = NULL;
    char *cookieout = NULL;
    int cookieoutlen = 0;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (args->params.params_len > REMOTE_DOMAIN_MIGRATE_PARAM_LIST_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many migration parameters '%d' for limit '%d'"),
                       args->params.params_len, REMOTE_DOMAIN_MIGRATE_PARAM_LIST_MAX);
        goto cleanup;
    }

    if (!(params = remoteDeserializeTypedParameters(args->params.params_val,
                                                    args->params.params_len,
                                                    0, &nparams)))
        goto cleanup;

    dom = virDomainMigrateFinish3Params(priv->conn, params, nparams,
                                        args->cookie_in.cookie_in_val,
                                        args->cookie_in.cookie_in_len,
                                        &cookieout, &cookieoutlen,
                                        args->flags, args->cancelled);
    if (!dom)
        goto cleanup;

    make_nonnull_domain(&ret->dom, dom);

    ret->cookie_out.cookie_out_len = cookieoutlen;
    ret->cookie_out.cookie_out_val = cookieout;

    rv = 0;

 cleanup:
    virTypedParamsFree(params, nparams);
    if (rv < 0) {
        virNetMessageSaveError(rerr);
        VIR_FREE(cookieout);
    }
    if (dom)
        virDomainFree(dom);
    return rv;
}


static int
remoteDispatchDomainMigrateConfirm3Params(virNetServerPtr server ATTRIBUTE_UNUSED,
                                          virNetServerClientPtr client ATTRIBUTE_UNUSED,
                                          virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                          virNetMessageErrorPtr rerr,
                                          remote_domain_migrate_confirm3_params_args *args)
{
    virTypedParameterPtr params = NULL;
    int nparams = 0;
    virDomainPtr dom = NULL;
    int rv = -1;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (args->params.params_len > REMOTE_DOMAIN_MIGRATE_PARAM_LIST_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many migration parameters '%d' for limit '%d'"),
                       args->params.params_len, REMOTE_DOMAIN_MIGRATE_PARAM_LIST_MAX);
        goto cleanup;
    }

    if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
        goto cleanup;

    if (!(params = remoteDeserializeTypedParameters(args->params.params_val,
                                                    args->params.params_len,
                                                    0, &nparams)))
        goto cleanup;

    if (virDomainMigrateConfirm3Params(dom, params, nparams,
                                       args->cookie_in.cookie_in_val,
                                       args->cookie_in.cookie_in_len,
                                       args->flags, args->cancelled) < 0)
        goto cleanup;

    rv = 0;

 cleanup:
    virTypedParamsFree(params, nparams);
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (dom)
        virDomainFree(dom);
    return rv;
}


static int
remoteDispatchConnectGetCPUModelNames(virNetServerPtr server ATTRIBUTE_UNUSED,
                                      virNetServerClientPtr client ATTRIBUTE_UNUSED,
                                      virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                      virNetMessageErrorPtr rerr,
                                      remote_connect_get_cpu_model_names_args *args,
                                      remote_connect_get_cpu_model_names_ret *ret)
{
    int len, rv = -1;
    char **models = NULL;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    len = virConnectGetCPUModelNames(priv->conn, args->arch,
                                     args->need_results ? &models : NULL,
                                     args->flags);
    if (len < 0)
        goto cleanup;

    if (len > REMOTE_CONNECT_CPU_MODELS_MAX) {
        virReportError(VIR_ERR_RPC,
                       _("Too many CPU models '%d' for limit '%d'"),
                       len, REMOTE_CONNECT_CPU_MODELS_MAX);
        goto cleanup;
    }

    if (len && models) {
        ret->models.models_val = models;
        ret->models.models_len = len;
        models = NULL;
    } else {
        ret->models.models_val = NULL;
        ret->models.models_len = 0;
    }

    ret->ret = len;

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    virStringFreeList(models);
    return rv;
}


static int
remoteDispatchDomainCreateXMLWithFiles(virNetServerPtr server ATTRIBUTE_UNUSED,
                                       virNetServerClientPtr client,
                                       virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                       virNetMessageErrorPtr rerr,
                                       remote_domain_create_xml_with_files_args *args,
                                       remote_domain_create_xml_with_files_ret *ret)
{
    int rv = -1;
    virDomainPtr dom = NULL;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);
    int *files = NULL;
    unsigned int nfiles = 0;
    size_t i;

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (VIR_ALLOC_N(files, msg->nfds) < 0)
        goto cleanup;
    for (i = 0; i < msg->nfds; i++) {
        if ((files[i] = virNetMessageDupFD(msg, i)) < 0)
            goto cleanup;
        nfiles++;
    }

    if ((dom = virDomainCreateXMLWithFiles(priv->conn, args->xml_desc,
                                           nfiles, files,
                                           args->flags)) == NULL)
        goto cleanup;

    make_nonnull_domain(&ret->dom, dom);
    rv = 0;

 cleanup:
    for (i = 0; i < nfiles; i++)
        VIR_FORCE_CLOSE(files[i]);
    VIR_FREE(files);
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (dom)
        virDomainFree(dom);
    return rv;
}


static int remoteDispatchDomainCreateWithFiles(virNetServerPtr server ATTRIBUTE_UNUSED,
                                               virNetServerClientPtr client,
                                               virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                               virNetMessageErrorPtr rerr,
                                               remote_domain_create_with_files_args *args,
                                               remote_domain_create_with_files_ret *ret)
{
    int rv = -1;
    virDomainPtr dom = NULL;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);
    int *files = NULL;
    unsigned int nfiles = 0;
    size_t i;

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (VIR_ALLOC_N(files, msg->nfds) < 0)
        goto cleanup;
    for (i = 0; i < msg->nfds; i++) {
        if ((files[i] = virNetMessageDupFD(msg, i)) < 0)
            goto cleanup;
        nfiles++;
    }

    if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
        goto cleanup;

    if (virDomainCreateWithFiles(dom,
                                 nfiles, files,
                                 args->flags) < 0)
        goto cleanup;

    make_nonnull_domain(&ret->dom, dom);
    rv = 0;

 cleanup:
    for (i = 0; i < nfiles; i++)
        VIR_FORCE_CLOSE(files[i]);
    VIR_FREE(files);
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (dom)
        virDomainFree(dom);
    return rv;
}


static int
remoteDispatchConnectNetworkEventRegisterAny(virNetServerPtr server ATTRIBUTE_UNUSED,
                                             virNetServerClientPtr client,
                                             virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                             virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED,
                                             remote_connect_network_event_register_any_args *args,
                                             remote_connect_network_event_register_any_ret *ret)
{
    int callbackID;
    int rv = -1;
    daemonClientEventCallbackPtr callback = NULL;
    daemonClientEventCallbackPtr ref;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);
    virNetworkPtr net = NULL;

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    virMutexLock(&priv->lock);

    if (args->net &&
        !(net = get_nonnull_network(priv->conn, *args->net)))
        goto cleanup;

    if (args->eventID >= VIR_NETWORK_EVENT_ID_LAST || args->eventID < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("unsupported network event ID %d"), args->eventID);
        goto cleanup;
    }

    /* If we call register first, we could append a complete callback
     * to our array, but on OOM append failure, we'd have to then hope
     * deregister works to undo our register.  So instead we append an
     * incomplete callback to our array, then register, then fix up
     * our callback; but since VIR_APPEND_ELEMENT clears 'callback' on
     * success, we use 'ref' to save a copy of the pointer.  */
    if (VIR_ALLOC(callback) < 0)
        goto cleanup;
    callback->client = client;
    callback->eventID = args->eventID;
    callback->callbackID = -1;
    ref = callback;
    if (VIR_APPEND_ELEMENT(priv->networkEventCallbacks,
                           priv->nnetworkEventCallbacks,
                           callback) < 0)
        goto cleanup;

    if ((callbackID = virConnectNetworkEventRegisterAny(priv->conn,
                                                        net,
                                                        args->eventID,
                                                        networkEventCallbacks[args->eventID],
                                                        ref,
                                                        remoteEventCallbackFree)) < 0) {
        VIR_SHRINK_N(priv->networkEventCallbacks,
                     priv->nnetworkEventCallbacks, 1);
        callback = ref;
        goto cleanup;
    }

    ref->callbackID = callbackID;
    ret->callbackID = callbackID;

    rv = 0;

 cleanup:
    VIR_FREE(callback);
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (net)
        virNetworkFree(net);
    virMutexUnlock(&priv->lock);
    return rv;
}


static int
remoteDispatchConnectNetworkEventDeregisterAny(virNetServerPtr server ATTRIBUTE_UNUSED,
                                               virNetServerClientPtr client,
                                               virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                               virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED,
                                               remote_connect_network_event_deregister_any_args *args)
{
    int rv = -1;
    size_t i;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    virMutexLock(&priv->lock);

    for (i = 0; i < priv->nnetworkEventCallbacks; i++) {
        if (priv->networkEventCallbacks[i]->callbackID == args->callbackID)
            break;
    }
    if (i == priv->nnetworkEventCallbacks) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("network event callback %d not registered"),
                       args->callbackID);
        goto cleanup;
    }

    if (virConnectNetworkEventDeregisterAny(priv->conn, args->callbackID) < 0)
        goto cleanup;

    VIR_DELETE_ELEMENT(priv->networkEventCallbacks, i,
                       priv->nnetworkEventCallbacks);

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    virMutexUnlock(&priv->lock);
    return rv;
}


static int
qemuDispatchConnectDomainMonitorEventRegister(virNetServerPtr server ATTRIBUTE_UNUSED,
                                              virNetServerClientPtr client,
                                              virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                              virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED,
                                              qemu_connect_domain_monitor_event_register_args *args,
                                              qemu_connect_domain_monitor_event_register_ret *ret)
{
    int callbackID;
    int rv = -1;
    daemonClientEventCallbackPtr callback = NULL;
    daemonClientEventCallbackPtr ref;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);
    virDomainPtr dom = NULL;
    const char *event = args->event ? *args->event : NULL;

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    virMutexLock(&priv->lock);

    if (args->dom &&
        !(dom = get_nonnull_domain(priv->conn, *args->dom)))
        goto cleanup;

    /* If we call register first, we could append a complete callback
     * to our array, but on OOM append failure, we'd have to then hope
     * deregister works to undo our register.  So instead we append an
     * incomplete callback to our array, then register, then fix up
     * our callback; but since VIR_APPEND_ELEMENT clears 'callback' on
     * success, we use 'ref' to save a copy of the pointer.  */
    if (VIR_ALLOC(callback) < 0)
        goto cleanup;
    callback->client = client;
    callback->callbackID = -1;
    ref = callback;
    if (VIR_APPEND_ELEMENT(priv->qemuEventCallbacks,
                           priv->nqemuEventCallbacks,
                           callback) < 0)
        goto cleanup;

    if ((callbackID = virConnectDomainQemuMonitorEventRegister(priv->conn,
                                                               dom,
                                                               event,
                                                               remoteRelayDomainQemuMonitorEvent,
                                                               ref,
                                                               remoteEventCallbackFree,
                                                               args->flags)) < 0) {
        VIR_SHRINK_N(priv->qemuEventCallbacks,
                     priv->nqemuEventCallbacks, 1);
        callback = ref;
        goto cleanup;
    }

    ref->callbackID = callbackID;
    ret->callbackID = callbackID;

    rv = 0;

 cleanup:
    VIR_FREE(callback);
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (dom)
        virDomainFree(dom);
    virMutexUnlock(&priv->lock);
    return rv;
}


static int
qemuDispatchConnectDomainMonitorEventDeregister(virNetServerPtr server ATTRIBUTE_UNUSED,
                                                virNetServerClientPtr client,
                                                virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                                virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED,
                                                qemu_connect_domain_monitor_event_deregister_args *args)
{
    int rv = -1;
    size_t i;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    virMutexLock(&priv->lock);

    for (i = 0; i < priv->nqemuEventCallbacks; i++) {
        if (priv->qemuEventCallbacks[i]->callbackID == args->callbackID)
            break;
    }
    if (i == priv->nqemuEventCallbacks) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("qemu monitor event callback %d not registered"),
                       args->callbackID);
        goto cleanup;
    }

    if (virConnectDomainQemuMonitorEventDeregister(priv->conn,
                                                   args->callbackID) < 0)
        goto cleanup;

    VIR_DELETE_ELEMENT(priv->qemuEventCallbacks, i,
                       priv->nqemuEventCallbacks);

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    virMutexUnlock(&priv->lock);
    return rv;
}

static int
remoteDispatchDomainGetTime(virNetServerPtr server ATTRIBUTE_UNUSED,
                            virNetServerClientPtr client,
                            virNetMessagePtr msg ATTRIBUTE_UNUSED,
                            virNetMessageErrorPtr rerr,
                            remote_domain_get_time_args *args,
                            remote_domain_get_time_ret *ret)
{
    int rv = -1;
    virDomainPtr dom = NULL;
    long long seconds;
    unsigned int nseconds;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
        goto cleanup;

    if (virDomainGetTime(dom, &seconds, &nseconds, args->flags) < 0)
        goto cleanup;

    ret->seconds = seconds;
    ret->nseconds = nseconds;
    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (dom)
        virDomainFree(dom);
    return rv;
}


static int
remoteDispatchNodeGetFreePages(virNetServerPtr server ATTRIBUTE_UNUSED,
                               virNetServerClientPtr client,
                               virNetMessagePtr msg ATTRIBUTE_UNUSED,
                               virNetMessageErrorPtr rerr,
                               remote_node_get_free_pages_args *args,
                               remote_node_get_free_pages_ret *ret)
{
    int rv = -1;
    int len;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (args->pages.pages_len * args->cellCount > REMOTE_NODE_MAX_CELLS) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("the result won't fit into REMOTE_NODE_MAX_CELLS"));
        goto cleanup;
    }

    /* Allocate return buffer. */
    if (VIR_ALLOC_N(ret->counts.counts_val,
                    args->pages.pages_len * args->cellCount) < 0)
        goto cleanup;

    if ((len = virNodeGetFreePages(priv->conn,
                                   args->pages.pages_len,
                                   args->pages.pages_val,
                                   args->startCell,
                                   args->cellCount,
                                   (unsigned long long *) ret->counts.counts_val,
                                   args->flags)) <= 0)
        goto cleanup;

    ret->counts.counts_len = len;
    rv = 0;

 cleanup:
    if (rv < 0) {
        virNetMessageSaveError(rerr);
        VIR_FREE(ret->counts.counts_val);
    }
    return rv;
}

/* Copy contents of virNetworkDHCPLeasePtr to remote_network_dhcp_lease */
static int
remoteSerializeDHCPLease(remote_network_dhcp_lease *lease_dst, virNetworkDHCPLeasePtr lease_src)
{
    char **mac_tmp = NULL;
    char **iaid_tmp = NULL;
    char **hostname_tmp = NULL;
    char **clientid_tmp = NULL;

    lease_dst->expirytime = lease_src->expirytime;
    lease_dst->type = lease_src->type;
    lease_dst->prefix = lease_src->prefix;

    if (VIR_STRDUP(lease_dst->iface, lease_src->iface) < 0 ||
        VIR_STRDUP(lease_dst->ipaddr, lease_src->ipaddr) < 0)
        goto error;

    if (lease_src->mac) {
        if (VIR_ALLOC(mac_tmp) < 0 ||
            VIR_STRDUP(*mac_tmp, lease_src->mac) < 0)
            goto error;
    }
    if (lease_src->iaid) {
        if (VIR_ALLOC(iaid_tmp) < 0 ||
            VIR_STRDUP(*iaid_tmp, lease_src->iaid) < 0)
            goto error;
    }
    if (lease_src->hostname) {
        if (VIR_ALLOC(hostname_tmp) < 0 ||
            VIR_STRDUP(*hostname_tmp, lease_src->hostname) < 0)
            goto error;
    }
    if (lease_src->clientid) {
        if (VIR_ALLOC(clientid_tmp) < 0 ||
            VIR_STRDUP(*clientid_tmp, lease_src->clientid) < 0)
            goto error;
    }

    lease_dst->mac = mac_tmp;
    lease_dst->iaid = iaid_tmp;
    lease_dst->hostname = hostname_tmp;
    lease_dst->clientid = clientid_tmp;

    return 0;

 error:
    if (mac_tmp)
        VIR_FREE(*mac_tmp);
    if (iaid_tmp)
        VIR_FREE(*iaid_tmp);
    if (hostname_tmp)
        VIR_FREE(*hostname_tmp);
    if (clientid_tmp)
        VIR_FREE(*clientid_tmp);
    VIR_FREE(mac_tmp);
    VIR_FREE(iaid_tmp);
    VIR_FREE(hostname_tmp);
    VIR_FREE(clientid_tmp);
    VIR_FREE(lease_dst->ipaddr);
    VIR_FREE(lease_dst->iface);
    return -1;
}


static int
remoteDispatchNetworkGetDHCPLeases(virNetServerPtr server ATTRIBUTE_UNUSED,
                                   virNetServerClientPtr client,
                                   virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                   virNetMessageErrorPtr rerr,
                                   remote_network_get_dhcp_leases_args *args,
                                   remote_network_get_dhcp_leases_ret *ret)
{
    int rv = -1;
    size_t i;
    struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);
    virNetworkDHCPLeasePtr *leases = NULL;
    virNetworkPtr net = NULL;
    int nleases = 0;

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (!(net = get_nonnull_network(priv->conn, args->net)))
        goto cleanup;

    if ((nleases = virNetworkGetDHCPLeases(net,
                                           args->mac ? *args->mac : NULL,
                                           args->need_results ? &leases : NULL,
                                           args->flags)) < 0)
        goto cleanup;

    if (nleases > REMOTE_NETWORK_DHCP_LEASES_MAX) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Number of leases is %d, which exceeds max limit: %d"),
                       nleases, REMOTE_NETWORK_DHCP_LEASES_MAX);
        goto cleanup;
    }

    if (leases && nleases) {
        if (VIR_ALLOC_N(ret->leases.leases_val, nleases) < 0)
            goto cleanup;

        ret->leases.leases_len = nleases;

        for (i = 0; i < nleases; i++) {
            if (remoteSerializeDHCPLease(ret->leases.leases_val + i, leases[i]) < 0)
                goto cleanup;
        }

    } else {
        ret->leases.leases_len = 0;
        ret->leases.leases_val = NULL;
    }

    ret->ret = nleases;

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    if (leases && nleases > 0) {
        for (i = 0; i < nleases; i++)
            virNetworkDHCPLeaseFree(leases[i]);
        VIR_FREE(leases);
    }
    virNetworkFree(net);
    return rv;
}


static int
remoteDispatchConnectGetAllDomainStats(virNetServerPtr server ATTRIBUTE_UNUSED,
                                       virNetServerClientPtr client,
                                       virNetMessagePtr msg ATTRIBUTE_UNUSED,
                                       virNetMessageErrorPtr rerr,
                                       remote_connect_get_all_domain_stats_args *args,
                                       remote_connect_get_all_domain_stats_ret *ret)
{
    int rv = -1;
    size_t i;
    struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client);
    virDomainStatsRecordPtr *retStats = NULL;
    int nrecords = 0;
    virDomainPtr *doms = NULL;

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if (args->doms.doms_len) {
        if (VIR_ALLOC_N(doms, args->doms.doms_len + 1) < 0)
            goto cleanup;

        for (i = 0; i < args->doms.doms_len; i++) {
            if (!(doms[i] = get_nonnull_domain(priv->conn, args->doms.doms_val[i])))
                goto cleanup;
        }

        if ((nrecords = virDomainListGetStats(doms,
                                              args->stats,
                                              &retStats,
                                              args->flags)) < 0)
            goto cleanup;
    } else {
        if ((nrecords = virConnectGetAllDomainStats(priv->conn,
                                                    args->stats,
                                                    &retStats,
                                                    args->flags)) < 0)
            goto cleanup;
    }

    if (nrecords > REMOTE_CONNECT_GET_ALL_DOMAIN_STATS_MAX) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Number of domain stats records is %d, "
                         "which exceeds max limit: %d"),
                       nrecords, REMOTE_DOMAIN_LIST_MAX);
        goto cleanup;
    }

    if (nrecords) {
        if (VIR_ALLOC_N(ret->retStats.retStats_val, nrecords) < 0)
            goto cleanup;

        ret->retStats.retStats_len = nrecords;

        for (i = 0; i < nrecords; i++) {
            remote_domain_stats_record *dst = ret->retStats.retStats_val + i;

            make_nonnull_domain(&dst->dom, retStats[i]->dom);

            if (remoteSerializeTypedParameters(retStats[i]->params,
                                               retStats[i]->nparams,
                                               &dst->params.params_val,
                                               &dst->params.params_len,
                                               VIR_TYPED_PARAM_STRING_OKAY) < 0)
                goto cleanup;
        }
    } else {
        ret->retStats.retStats_len = 0;
        ret->retStats.retStats_val = NULL;
    }

    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);

    virDomainStatsRecordListFree(retStats);
    virDomainListFree(doms);

    return rv;
}


static int
remoteDispatchNodeAllocPages(virNetServerPtr server ATTRIBUTE_UNUSED,
                             virNetServerClientPtr client,
                             virNetMessagePtr msg ATTRIBUTE_UNUSED,
                             virNetMessageErrorPtr rerr,
                             remote_node_alloc_pages_args *args,
                             remote_node_alloc_pages_ret *ret)
{
    int rv = -1;
    int len;
    struct daemonClientPrivate *priv =
        virNetServerClientGetPrivateData(client);

    if (!priv->conn) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
        goto cleanup;
    }

    if ((len = virNodeAllocPages(priv->conn,
                                 args->pageSizes.pageSizes_len,
                                 args->pageSizes.pageSizes_val,
                                 (unsigned long long *) args->pageCounts.pageCounts_val,
                                 args->startCell,
                                 args->cellCount,
                                 args->flags)) < 0)
        goto cleanup;

    ret->ret = len;
    rv = 0;

 cleanup:
    if (rv < 0)
        virNetMessageSaveError(rerr);
    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,
                             NULL, NULL);
}

static virStorageVolPtr
get_nonnull_storage_vol(virConnectPtr conn, remote_nonnull_storage_vol vol)
{
    virStorageVolPtr ret;
    ret = virGetStorageVol(conn, vol.pool, vol.name, vol.key,
                           NULL, NULL);
    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;
    ignore_value(VIR_STRDUP_QUIET(dom_dst->name, 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)
{
    ignore_value(VIR_STRDUP_QUIET(net_dst->name, 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)
{
    ignore_value(VIR_STRDUP_QUIET(interface_dst->name, interface_src->name));
    ignore_value(VIR_STRDUP_QUIET(interface_dst->mac, interface_src->mac));
}

static void
make_nonnull_storage_pool(remote_nonnull_storage_pool *pool_dst, virStoragePoolPtr pool_src)
{
    ignore_value(VIR_STRDUP_QUIET(pool_dst->name, 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)
{
    ignore_value(VIR_STRDUP_QUIET(vol_dst->pool, vol_src->pool));
    ignore_value(VIR_STRDUP_QUIET(vol_dst->name, vol_src->name));
    ignore_value(VIR_STRDUP_QUIET(vol_dst->key, vol_src->key));
}

static void
make_nonnull_node_device(remote_nonnull_node_device *dev_dst, virNodeDevicePtr dev_src)
{
    ignore_value(VIR_STRDUP_QUIET(dev_dst->name, 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;
    ignore_value(VIR_STRDUP_QUIET(secret_dst->usageID, secret_src->usageID));
}

static void
make_nonnull_nwfilter(remote_nonnull_nwfilter *nwfilter_dst, virNWFilterPtr nwfilter_src)
{
    ignore_value(VIR_STRDUP_QUIET(nwfilter_dst->name, 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)
{
    ignore_value(VIR_STRDUP_QUIET(snapshot_dst->name, 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;
    size_t i = 0;

    if (VIR_ALLOC_N(val, nerrors) < 0)
        goto error;

    for (i = 0; i < nerrors; i++) {
        if (VIR_STRDUP(val[i].disk, errors[i].disk) < 0)
            goto error;
        val[i].error = errors[i].error;
    }

    *ret_errors_len = nerrors;
    *ret_errors_val = val;

    return 0;

 error:
    if (val) {
        size_t j;
        for (j = 0; j < i; j++)
            VIR_FREE(val[j].disk);
        VIR_FREE(val);
    }
    return -1;
}