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libvirt/qemud/remote.c

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/*
* remote.c: code handling remote requests (from remote_internal.c)
*
* Copyright (C) 2007, 2008 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Richard W.M. Jones <rjones@redhat.com>
*/
#include <config.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <paths.h>
#include <limits.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/poll.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdlib.h>
#include <pwd.h>
#include <stdio.h>
#include <stdarg.h>
#include <syslog.h>
#include <string.h>
#include <errno.h>
#include <fnmatch.h>
#ifdef HAVE_POLKIT
#include <polkit/polkit.h>
#include <polkit-dbus/polkit-dbus.h>
#endif
#include "libvirt_internal.h"
#include "datatypes.h"
#include "qemud.h"
#include "memory.h"
#define REMOTE_DEBUG(fmt,...) qemudDebug("REMOTE: " fmt, __VA_ARGS__)
static void remoteDispatchError (struct qemud_client *client,
remote_message_header *req,
const char *fmt, ...)
ATTRIBUTE_FORMAT(printf, 3, 4);
static virDomainPtr get_nonnull_domain (virConnectPtr conn, remote_nonnull_domain domain);
static virNetworkPtr get_nonnull_network (virConnectPtr conn, remote_nonnull_network network);
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 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_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);
#include "remote_dispatch_prototypes.h"
typedef union {
#include "remote_dispatch_args.h"
} dispatch_args;
typedef union {
#include "remote_dispatch_ret.h"
} dispatch_ret;
typedef int (*dispatch_fn) (struct qemud_server *server,
struct qemud_client *client,
remote_message_header *req,
dispatch_args *args,
dispatch_ret *ret);
typedef struct {
dispatch_fn fn;
xdrproc_t args_filter;
xdrproc_t ret_filter;
} dispatch_data;
static const dispatch_data const dispatch_table[] = {
#include "remote_dispatch_table.h"
};
/* Prototypes */
static void
remoteDispatchDomainEventSend (struct qemud_client *client,
virDomainPtr dom,
int event,
int detail);
/* This function gets called from qemud when it detects an incoming
* remote protocol message. At this point, client->buffer contains
* the full call message (including length word which we skip).
*/
void
remoteDispatchClientRequest (struct qemud_server *server,
struct qemud_client *client)
{
XDR xdr;
remote_message_header req, rep;
dispatch_args args;
dispatch_ret ret;
const dispatch_data *data = NULL;
int rv, len;
memset(&args, 0, sizeof args);
memset(&ret, 0, sizeof ret);
/* Parse the header. */
xdrmem_create (&xdr, client->buffer, client->bufferLength, XDR_DECODE);
if (!xdr_remote_message_header (&xdr, &req)) {
remoteDispatchError (client, NULL, "%s", _("xdr_remote_message_header"));
xdr_destroy (&xdr);
return;
}
/* Check version, etc. */
if (req.prog != REMOTE_PROGRAM) {
remoteDispatchError (client, &req,
_("program mismatch (actual %x, expected %x)"),
req.prog, REMOTE_PROGRAM);
xdr_destroy (&xdr);
return;
}
if (req.vers != REMOTE_PROTOCOL_VERSION) {
remoteDispatchError (client, &req,
_("version mismatch (actual %x, expected %x)"),
req.vers, REMOTE_PROTOCOL_VERSION);
xdr_destroy (&xdr);
return;
}
if (req.direction != REMOTE_CALL) {
remoteDispatchError (client, &req, _("direction (%d) != REMOTE_CALL"),
(int) req.direction);
xdr_destroy (&xdr);
return;
}
if (req.status != REMOTE_OK) {
remoteDispatchError (client, &req, _("status (%d) != REMOTE_OK"),
(int) req.status);
xdr_destroy (&xdr);
return;
}
/* If client is marked as needing auth, don't allow any RPC ops,
* except for authentication ones
*/
if (client->auth) {
if (req.proc != REMOTE_PROC_AUTH_LIST &&
req.proc != REMOTE_PROC_AUTH_SASL_INIT &&
req.proc != REMOTE_PROC_AUTH_SASL_START &&
req.proc != REMOTE_PROC_AUTH_SASL_STEP &&
req.proc != REMOTE_PROC_AUTH_POLKIT
) {
remoteDispatchError (client, &req, "%s", _("authentication required"));
xdr_destroy (&xdr);
return;
}
}
if (req.proc >= ARRAY_CARDINALITY(dispatch_table) ||
dispatch_table[req.proc].fn == NULL) {
remoteDispatchError (client, &req, _("unknown procedure: %d"),
req.proc);
xdr_destroy (&xdr);
return;
}
data = &(dispatch_table[req.proc]);
/* De-serialize args off the wire */
if (!((data->args_filter)(&xdr, &args))) {
remoteDispatchError (client, &req, "%s", _("parse args failed"));
xdr_destroy (&xdr);
}
xdr_destroy (&xdr);
/* Call function. */
rv = (data->fn)(server, client, &req, &args, &ret);
xdr_free (data->args_filter, (char*)&args);
/* Dispatch function must return -2, -1 or 0. Anything else is
* an internal error.
*/
if (rv < -2 || rv > 0) {
remoteDispatchError (client, &req,
_("internal error - dispatch function returned invalid code %d"), rv);
return;
}
/* Dispatch error? If so then the function has already set up the
* return buffer, so just return immediately.
*/
if (rv == -2) return;
/* Return header. */
rep.prog = req.prog;
rep.vers = req.vers;
rep.proc = req.proc;
rep.direction = REMOTE_REPLY;
rep.serial = req.serial;
rep.status = rv == 0 ? REMOTE_OK : REMOTE_ERROR;
/* Serialise the return header. */
xdrmem_create (&xdr, client->buffer, sizeof client->buffer, XDR_ENCODE);
len = 0; /* We'll come back and write this later. */
if (!xdr_int (&xdr, &len)) {
remoteDispatchError (client, &req, "%s", _("dummy length"));
xdr_destroy (&xdr);
if (rv == 0) xdr_free (data->ret_filter, (char*)&ret);
return;
}
if (!xdr_remote_message_header (&xdr, &rep)) {
remoteDispatchError (client, &req, "%s", _("serialise reply header"));
xdr_destroy (&xdr);
if (rv == 0) xdr_free (data->ret_filter, (char*)&ret);
return;
}
/* If OK, serialise return structure, if error serialise error. */
if (rv == 0) {
if (!((data->ret_filter) (&xdr, &ret))) {
remoteDispatchError (client, &req, "%s", _("serialise return struct"));
xdr_destroy (&xdr);
return;
}
xdr_free (data->ret_filter, (char*)&ret);
} else /* error */ {
virErrorPtr verr;
remote_error error;
remote_nonnull_domain dom;
remote_nonnull_network net;
verr = client->conn
? virConnGetLastError (client->conn)
: virGetLastError ();
if (verr) {
error.code = verr->code;
error.domain = verr->domain;
error.message = verr->message ? &verr->message : NULL;
error.level = verr->level;
if (verr->dom) {
dom.name = verr->dom->name;
memcpy (dom.uuid, verr->dom->uuid, VIR_UUID_BUFLEN);
dom.id = verr->dom->id;
}
error.dom = verr->dom ? &dom : NULL;
error.str1 = verr->str1 ? &verr->str1 : NULL;
error.str2 = verr->str2 ? &verr->str2 : NULL;
error.str3 = verr->str3 ? &verr->str3 : NULL;
error.int1 = verr->int1;
error.int2 = verr->int2;
if (verr->net) {
net.name = verr->net->name;
memcpy (net.uuid, verr->net->uuid, VIR_UUID_BUFLEN);
}
error.net = verr->net ? &net : NULL;
} else {
/* Error was NULL so synthesize an error. */
char msgbuf[] = "remoteDispatchClientRequest: internal error: library function returned error but did not set virterror";
char *msg = msgbuf;
error.code = VIR_ERR_RPC;
error.domain = VIR_FROM_REMOTE;
error.message = &msg;
error.level = VIR_ERR_ERROR;
error.dom = NULL;
error.str1 = &msg;
error.str2 = NULL;
error.str3 = NULL;
error.int1 = 0;
error.int2 = 0;
error.net = NULL;
}
if (!xdr_remote_error (&xdr, &error)) {
remoteDispatchError (client, &req, "%s", _("serialise return error"));
xdr_destroy (&xdr);
return;
}
}
/* Write the length word. */
len = xdr_getpos (&xdr);
if (xdr_setpos (&xdr, 0) == 0) {
remoteDispatchError (client, &req, "%s", _("xdr_setpos"));
xdr_destroy (&xdr);
return;
}
if (!xdr_int (&xdr, &len)) {
remoteDispatchError (client, &req, "%s", _("serialise return length"));
xdr_destroy (&xdr);
return;
}
xdr_destroy (&xdr);
/* Set up the output buffer. */
client->mode = QEMUD_MODE_TX_PACKET;
client->bufferLength = len;
client->bufferOffset = 0;
}
/* An error occurred during the dispatching process itself (ie. not
* an error from the function being called). We return an error
* reply.
*/
static void
remoteDispatchSendError (struct qemud_client *client,
remote_message_header *req,
int code, const char *msg)
{
remote_message_header rep;
remote_error error;
XDR xdr;
int len;
/* Future versions of the protocol may use different vers or prog. Try
* our hardest to send back a message that such clients could see.
*/
if (req) {
rep.prog = req->prog;
rep.vers = req->vers;
rep.proc = req->proc;
rep.direction = REMOTE_REPLY;
rep.serial = req->serial;
rep.status = REMOTE_ERROR;
} else {
rep.prog = REMOTE_PROGRAM;
rep.vers = REMOTE_PROTOCOL_VERSION;
rep.proc = REMOTE_PROC_OPEN;
rep.direction = REMOTE_REPLY;
rep.serial = 1;
rep.status = REMOTE_ERROR;
}
/* Construct the error. */
error.code = code;
error.domain = VIR_FROM_REMOTE;
error.message = (char**)&msg;
error.level = VIR_ERR_ERROR;
error.dom = NULL;
error.str1 = (char**)&msg;
error.str2 = NULL;
error.str3 = NULL;
error.int1 = 0;
error.int2 = 0;
error.net = NULL;
/* Serialise the return header and error. */
xdrmem_create (&xdr, client->buffer, sizeof client->buffer, XDR_ENCODE);
len = 0; /* We'll come back and write this later. */
if (!xdr_int (&xdr, &len)) {
xdr_destroy (&xdr);
return;
}
if (!xdr_remote_message_header (&xdr, &rep)) {
xdr_destroy (&xdr);
return;
}
if (!xdr_remote_error (&xdr, &error)) {
xdr_destroy (&xdr);
return;
}
len = xdr_getpos (&xdr);
if (xdr_setpos (&xdr, 0) == 0) {
xdr_destroy (&xdr);
return;
}
if (!xdr_int (&xdr, &len)) {
xdr_destroy (&xdr);
return;
}
xdr_destroy (&xdr);
/* Send it. */
client->mode = QEMUD_MODE_TX_PACKET;
client->bufferLength = len;
client->bufferOffset = 0;
}
static void
remoteDispatchFailAuth (struct qemud_client *client,
remote_message_header *req)
{
remoteDispatchSendError (client, req, VIR_ERR_AUTH_FAILED, "authentication failed");
}
static void
remoteDispatchError (struct qemud_client *client,
remote_message_header *req,
const char *fmt, ...)
{
va_list args;
char msgbuf[1024];
char *msg = msgbuf;
va_start (args, fmt);
vsnprintf (msgbuf, sizeof msgbuf, fmt, args);
va_end (args);
remoteDispatchSendError (client, req, VIR_ERR_RPC, msg);
}
int remoteRelayDomainEvent (virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainPtr dom,
int event,
int detail,
void *opaque)
{
struct qemud_client *client = opaque;
REMOTE_DEBUG("Relaying domain event %d %d", event, detail);
if(client) {
remoteDispatchDomainEventSend (client, dom, event, detail);
qemudDispatchClientWrite(client->server,client);
}
return 0;
}
/*----- Functions. -----*/
static int
remoteDispatchOpen (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client, remote_message_header *req,
struct remote_open_args *args, void *ret ATTRIBUTE_UNUSED)
{
const char *name;
int flags;
/* Already opened? */
if (client->conn) {
remoteDispatchError (client, req, "%s", _("connection already open"));
return -2;
}
name = args->name ? *args->name : NULL;
/* If this connection arrived on a readonly socket, force
* the connection to be readonly.
*/
flags = args->flags;
if (client->readonly) flags |= VIR_CONNECT_RO;
client->conn =
flags & VIR_CONNECT_RO
? virConnectOpenReadOnly (name)
: virConnectOpen (name);
return client->conn ? 0 : -1;
}
#define CHECK_CONN(client) \
if (!client->conn) { \
remoteDispatchError (client, req, "%s", _("connection not open")); \
return -2; \
}
static int
remoteDispatchClose (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client, remote_message_header *req,
void *args ATTRIBUTE_UNUSED, void *ret ATTRIBUTE_UNUSED)
{
int rv;
CHECK_CONN(client);
rv = virConnectClose (client->conn);
if (rv == 0) client->conn = NULL;
return rv;
}
static int
remoteDispatchSupportsFeature (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client, remote_message_header *req,
remote_supports_feature_args *args, remote_supports_feature_ret *ret)
{
CHECK_CONN(client);
ret->supported = virDrvSupportsFeature (client->conn, args->feature);
if (ret->supported == -1) return -1;
return 0;
}
static int
remoteDispatchGetType (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client, remote_message_header *req,
void *args ATTRIBUTE_UNUSED, remote_get_type_ret *ret)
{
const char *type;
CHECK_CONN(client);
type = virConnectGetType (client->conn);
if (type == NULL) return -1;
/* We have to strdup because remoteDispatchClientRequest will
* free this string after it's been serialised.
*/
ret->type = strdup (type);
if (!ret->type) {
remoteDispatchError (client, req, "%s", _("out of memory in strdup"));
return -2;
}
return 0;
}
static int
remoteDispatchGetVersion (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
void *args ATTRIBUTE_UNUSED,
remote_get_version_ret *ret)
{
unsigned long hvVer;
CHECK_CONN(client);
if (virConnectGetVersion (client->conn, &hvVer) == -1)
return -1;
ret->hv_ver = hvVer;
return 0;
}
static int
remoteDispatchGetHostname (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
void *args ATTRIBUTE_UNUSED,
remote_get_hostname_ret *ret)
{
char *hostname;
CHECK_CONN(client);
hostname = virConnectGetHostname (client->conn);
if (hostname == NULL) return -1;
ret->hostname = hostname;
return 0;
}
static int
remoteDispatchGetUri (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
void *args ATTRIBUTE_UNUSED,
remote_get_uri_ret *ret)
{
char *uri;
CHECK_CONN(client);
uri = virConnectGetURI (client->conn);
if (uri == NULL) return -1;
ret->uri = uri;
return 0;
}
static int
remoteDispatchGetMaxVcpus (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_get_max_vcpus_args *args,
remote_get_max_vcpus_ret *ret)
{
char *type;
CHECK_CONN(client);
type = args->type ? *args->type : NULL;
ret->max_vcpus = virConnectGetMaxVcpus (client->conn, type);
if (ret->max_vcpus == -1) return -1;
return 0;
}
static int
remoteDispatchNodeGetInfo (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
void *args ATTRIBUTE_UNUSED,
remote_node_get_info_ret *ret)
{
virNodeInfo info;
CHECK_CONN(client);
if (virNodeGetInfo (client->conn, &info) == -1)
return -1;
memcpy (ret->model, info.model, sizeof ret->model);
ret->memory = info.memory;
ret->cpus = info.cpus;
ret->mhz = info.mhz;
ret->nodes = info.nodes;
ret->sockets = info.sockets;
ret->cores = info.cores;
ret->threads = info.threads;
return 0;
}
static int
remoteDispatchGetCapabilities (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
void *args ATTRIBUTE_UNUSED,
remote_get_capabilities_ret *ret)
{
char *caps;
CHECK_CONN(client);
caps = virConnectGetCapabilities (client->conn);
if (caps == NULL) return -1;
ret->capabilities = caps;
return 0;
}
static int
remoteDispatchNodeGetCellsFreeMemory (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_node_get_cells_free_memory_args *args,
remote_node_get_cells_free_memory_ret *ret)
{
CHECK_CONN(client);
if (args->maxCells > REMOTE_NODE_MAX_CELLS) {
remoteDispatchError (client, req,
"%s", _("maxCells > REMOTE_NODE_MAX_CELLS"));
return -2;
}
/* Allocate return buffer. */
if (VIR_ALLOC_N(ret->freeMems.freeMems_val, args->maxCells) < 0) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
ret->freeMems.freeMems_len = virNodeGetCellsFreeMemory(client->conn,
(unsigned long long *)ret->freeMems.freeMems_val,
args->startCell,
args->maxCells);
if (ret->freeMems.freeMems_len == 0) {
VIR_FREE(ret->freeMems.freeMems_val);
return -1;
}
return 0;
}
static int
remoteDispatchNodeGetFreeMemory (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
void *args ATTRIBUTE_UNUSED,
remote_node_get_free_memory_ret *ret)
{
unsigned long long freeMem;
CHECK_CONN(client);
freeMem = virNodeGetFreeMemory(client->conn);
if (freeMem == 0) return -1;
ret->freeMem = freeMem;
return 0;
}
static int
remoteDispatchDomainGetSchedulerType (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_get_scheduler_type_args *args,
remote_domain_get_scheduler_type_ret *ret)
{
virDomainPtr dom;
char *type;
int nparams;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
type = virDomainGetSchedulerType (dom, &nparams);
if (type == NULL) {
virDomainFree(dom);
return -1;
}
ret->type = type;
ret->nparams = nparams;
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainGetSchedulerParameters (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_get_scheduler_parameters_args *args,
remote_domain_get_scheduler_parameters_ret *ret)
{
virDomainPtr dom;
virSchedParameterPtr params;
int i, r, nparams;
CHECK_CONN(client);
nparams = args->nparams;
if (nparams > REMOTE_DOMAIN_SCHEDULER_PARAMETERS_MAX) {
remoteDispatchError (client, req, "%s", _("nparams too large"));
return -2;
}
if (VIR_ALLOC_N(params, nparams) < 0) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
VIR_FREE(params);
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
r = virDomainGetSchedulerParameters (dom, params, &nparams);
if (r == -1) {
virDomainFree(dom);
VIR_FREE(params);
return -1;
}
/* Serialise the scheduler parameters. */
ret->params.params_len = nparams;
if (VIR_ALLOC_N(ret->params.params_val, nparams) < 0)
goto oom;
for (i = 0; i < nparams; ++i) {
// remoteDispatchClientRequest will free this:
ret->params.params_val[i].field = strdup (params[i].field);
if (ret->params.params_val[i].field == NULL)
goto oom;
ret->params.params_val[i].value.type = params[i].type;
switch (params[i].type) {
case VIR_DOMAIN_SCHED_FIELD_INT:
ret->params.params_val[i].value.remote_sched_param_value_u.i = params[i].value.i; break;
case VIR_DOMAIN_SCHED_FIELD_UINT:
ret->params.params_val[i].value.remote_sched_param_value_u.ui = params[i].value.ui; break;
case VIR_DOMAIN_SCHED_FIELD_LLONG:
ret->params.params_val[i].value.remote_sched_param_value_u.l = params[i].value.l; break;
case VIR_DOMAIN_SCHED_FIELD_ULLONG:
ret->params.params_val[i].value.remote_sched_param_value_u.ul = params[i].value.ul; break;
case VIR_DOMAIN_SCHED_FIELD_DOUBLE:
ret->params.params_val[i].value.remote_sched_param_value_u.d = params[i].value.d; break;
case VIR_DOMAIN_SCHED_FIELD_BOOLEAN:
ret->params.params_val[i].value.remote_sched_param_value_u.b = params[i].value.b; break;
default:
remoteDispatchError (client, req, "%s", _("unknown type"));
goto cleanup;
}
}
virDomainFree(dom);
VIR_FREE(params);
return 0;
oom:
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
cleanup:
virDomainFree(dom);
for (i = 0 ; i < nparams ; i++)
VIR_FREE(ret->params.params_val[i].field);
VIR_FREE(params);
return -2;
}
static int
remoteDispatchDomainSetSchedulerParameters (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_set_scheduler_parameters_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
int i, r, nparams;
virSchedParameterPtr params;
CHECK_CONN(client);
nparams = args->params.params_len;
if (nparams > REMOTE_DOMAIN_SCHEDULER_PARAMETERS_MAX) {
remoteDispatchError (client, req, "%s", _("nparams too large"));
return -2;
}
if (VIR_ALLOC_N(params, nparams)) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
/* Deserialise parameters. */
for (i = 0; i < nparams; ++i) {
strncpy (params[i].field, args->params.params_val[i].field,
VIR_DOMAIN_SCHED_FIELD_LENGTH);
params[i].field[VIR_DOMAIN_SCHED_FIELD_LENGTH-1] = '\0';
params[i].type = args->params.params_val[i].value.type;
switch (params[i].type) {
case VIR_DOMAIN_SCHED_FIELD_INT:
params[i].value.i = args->params.params_val[i].value.remote_sched_param_value_u.i; break;
case VIR_DOMAIN_SCHED_FIELD_UINT:
params[i].value.ui = args->params.params_val[i].value.remote_sched_param_value_u.ui; break;
case VIR_DOMAIN_SCHED_FIELD_LLONG:
params[i].value.l = args->params.params_val[i].value.remote_sched_param_value_u.l; break;
case VIR_DOMAIN_SCHED_FIELD_ULLONG:
params[i].value.ul = args->params.params_val[i].value.remote_sched_param_value_u.ul; break;
case VIR_DOMAIN_SCHED_FIELD_DOUBLE:
params[i].value.d = args->params.params_val[i].value.remote_sched_param_value_u.d; break;
case VIR_DOMAIN_SCHED_FIELD_BOOLEAN:
params[i].value.b = args->params.params_val[i].value.remote_sched_param_value_u.b; break;
}
}
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
VIR_FREE(params);
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
r = virDomainSetSchedulerParameters (dom, params, nparams);
virDomainFree(dom);
VIR_FREE(params);
if (r == -1) return -1;
return 0;
}
static int
remoteDispatchDomainBlockStats (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_block_stats_args *args,
remote_domain_block_stats_ret *ret)
{
virDomainPtr dom;
char *path;
struct _virDomainBlockStats stats;
CHECK_CONN (client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
path = args->path;
if (virDomainBlockStats (dom, path, &stats, sizeof stats) == -1) {
virDomainFree (dom);
return -1;
}
virDomainFree (dom);
ret->rd_req = stats.rd_req;
ret->rd_bytes = stats.rd_bytes;
ret->wr_req = stats.wr_req;
ret->wr_bytes = stats.wr_bytes;
ret->errs = stats.errs;
return 0;
}
static int
remoteDispatchDomainInterfaceStats (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_interface_stats_args *args,
remote_domain_interface_stats_ret *ret)
{
virDomainPtr dom;
char *path;
struct _virDomainInterfaceStats stats;
CHECK_CONN (client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
path = args->path;
if (virDomainInterfaceStats (dom, path, &stats, sizeof stats) == -1) {
virDomainFree (dom);
return -1;
}
virDomainFree (dom);
ret->rx_bytes = stats.rx_bytes;
ret->rx_packets = stats.rx_packets;
ret->rx_errs = stats.rx_errs;
ret->rx_drop = stats.rx_drop;
ret->tx_bytes = stats.tx_bytes;
ret->tx_packets = stats.tx_packets;
ret->tx_errs = stats.tx_errs;
ret->tx_drop = stats.tx_drop;
return 0;
}
static int
remoteDispatchDomainBlockPeek (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_block_peek_args *args,
remote_domain_block_peek_ret *ret)
{
virDomainPtr dom;
char *path;
unsigned long long offset;
size_t size;
unsigned int flags;
CHECK_CONN (client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
path = args->path;
offset = args->offset;
size = args->size;
flags = args->flags;
if (size > REMOTE_DOMAIN_BLOCK_PEEK_BUFFER_MAX) {
virDomainFree (dom);
remoteDispatchError (client, req,
"%s", _("size > maximum buffer size"));
return -2;
}
ret->buffer.buffer_len = size;
if (VIR_ALLOC_N(ret->buffer.buffer_val, size) < 0) {
virDomainFree (dom);
remoteDispatchError (client, req, "%s", strerror (errno));
return -2;
}
if (virDomainBlockPeek (dom, path, offset, size,
ret->buffer.buffer_val, flags) == -1) {
/* free (ret->buffer.buffer_val); - caller frees */
virDomainFree (dom);
return -1;
}
virDomainFree (dom);
return 0;
}
static int
remoteDispatchDomainMemoryPeek (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_memory_peek_args *args,
remote_domain_memory_peek_ret *ret)
{
virDomainPtr dom;
unsigned long long offset;
size_t size;
unsigned int flags;
CHECK_CONN (client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
offset = args->offset;
size = args->size;
flags = args->flags;
if (size > REMOTE_DOMAIN_MEMORY_PEEK_BUFFER_MAX) {
remoteDispatchError (client, req,
"%s", _("size > maximum buffer size"));
virDomainFree (dom);
return -2;
}
ret->buffer.buffer_len = size;
if (VIR_ALLOC_N (ret->buffer.buffer_val, size) < 0) {
remoteDispatchError (client, req, "%s", strerror (errno));
virDomainFree (dom);
return -2;
}
if (virDomainMemoryPeek (dom, offset, size,
ret->buffer.buffer_val, flags) == -1) {
/* free (ret->buffer.buffer_val); - caller frees */
virDomainFree (dom);
return -1;
}
virDomainFree (dom);
return 0;
}
static int
remoteDispatchDomainAttachDevice (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_attach_device_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainAttachDevice (dom, args->xml) == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainCreate (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_create_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainCreate (dom) == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainCreateXml (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_create_xml_args *args,
remote_domain_create_xml_ret *ret)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = virDomainCreateXML (client->conn, args->xml_desc, args->flags);
if (dom == NULL) return -1;
make_nonnull_domain (&ret->dom, dom);
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainDefineXml (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_define_xml_args *args,
remote_domain_define_xml_ret *ret)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = virDomainDefineXML (client->conn, args->xml);
if (dom == NULL) return -1;
make_nonnull_domain (&ret->dom, dom);
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainDestroy (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_destroy_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainDestroy (dom) == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainDetachDevice (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_detach_device_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainDetachDevice (dom, args->xml) == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainDumpXml (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_dump_xml_args *args,
remote_domain_dump_xml_ret *ret)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
/* remoteDispatchClientRequest will free this. */
ret->xml = virDomainGetXMLDesc (dom, args->flags);
if (!ret->xml) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainGetAutostart (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_get_autostart_args *args,
remote_domain_get_autostart_ret *ret)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainGetAutostart (dom, &ret->autostart) == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainGetInfo (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_get_info_args *args,
remote_domain_get_info_ret *ret)
{
virDomainPtr dom;
virDomainInfo info;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainGetInfo (dom, &info) == -1) {
virDomainFree(dom);
return -1;
}
ret->state = info.state;
ret->max_mem = info.maxMem;
ret->memory = info.memory;
ret->nr_virt_cpu = info.nrVirtCpu;
ret->cpu_time = info.cpuTime;
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainGetMaxMemory (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_get_max_memory_args *args,
remote_domain_get_max_memory_ret *ret)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
ret->memory = virDomainGetMaxMemory (dom);
if (ret->memory == 0) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainGetMaxVcpus (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_get_max_vcpus_args *args,
remote_domain_get_max_vcpus_ret *ret)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
ret->num = virDomainGetMaxVcpus (dom);
if (ret->num == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainGetOsType (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_get_os_type_args *args,
remote_domain_get_os_type_ret *ret)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
/* remoteDispatchClientRequest will free this */
ret->type = virDomainGetOSType (dom);
if (ret->type == NULL) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainGetVcpus (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_get_vcpus_args *args,
remote_domain_get_vcpus_ret *ret)
{
virDomainPtr dom = NULL;
virVcpuInfoPtr info = NULL;
unsigned char *cpumaps = NULL;
int info_len, i;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (args->maxinfo > REMOTE_VCPUINFO_MAX) {
virDomainFree(dom);
remoteDispatchError (client, req, "%s", _("maxinfo > REMOTE_VCPUINFO_MAX"));
return -2;
}
if (args->maxinfo * args->maplen > REMOTE_CPUMAPS_MAX) {
virDomainFree(dom);
remoteDispatchError (client, req, "%s", _("maxinfo * maplen > REMOTE_CPUMAPS_MAX"));
return -2;
}
/* Allocate buffers to take the results. */
if (VIR_ALLOC_N(info, args->maxinfo) < 0)
goto oom;
if (VIR_ALLOC_N(cpumaps, args->maxinfo) < 0)
goto oom;
info_len = virDomainGetVcpus (dom,
info, args->maxinfo,
cpumaps, args->maplen);
if (info_len == -1) {
VIR_FREE(info);
VIR_FREE(cpumaps);
virDomainFree(dom);
return -1;
}
/* Allocate the return buffer for info. */
ret->info.info_len = info_len;
if (VIR_ALLOC_N(ret->info.info_val, info_len) < 0)
goto oom;
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;
VIR_FREE(info);
virDomainFree(dom);
return 0;
oom:
VIR_FREE(info);
VIR_FREE(cpumaps);
virDomainFree(dom);
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
static int
remoteDispatchDomainMigratePrepare (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_migrate_prepare_args *args,
remote_domain_migrate_prepare_ret *ret)
{
int r;
char *cookie = NULL;
int cookielen = 0;
char *uri_in;
char **uri_out;
char *dname;
CHECK_CONN (client);
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) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
r = virDomainMigratePrepare (client->conn, &cookie, &cookielen,
uri_in, uri_out,
args->flags, dname, args->resource);
if (r == -1) {
VIR_FREE(uri_out);
return -1;
}
/* 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;
VIR_FREE(uri_out);
} else {
ret->uri_out = uri_out;
}
return 0;
}
static int
remoteDispatchDomainMigratePerform (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_migrate_perform_args *args,
void *ret ATTRIBUTE_UNUSED)
{
int r;
virDomainPtr dom;
char *dname;
CHECK_CONN (client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
dname = args->dname == NULL ? NULL : *args->dname;
r = virDomainMigratePerform (dom,
args->cookie.cookie_val,
args->cookie.cookie_len,
args->uri,
args->flags, dname, args->resource);
virDomainFree (dom);
if (r == -1) return -1;
return 0;
}
static int
remoteDispatchDomainMigrateFinish (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_migrate_finish_args *args,
remote_domain_migrate_finish_ret *ret)
{
virDomainPtr ddom;
CHECK_CONN (client);
ddom = virDomainMigrateFinish (client->conn, args->dname,
args->cookie.cookie_val,
args->cookie.cookie_len,
args->uri,
args->flags);
if (ddom == NULL) return -1;
make_nonnull_domain (&ret->ddom, ddom);
virDomainFree (ddom);
return 0;
}
static int
remoteDispatchDomainMigratePrepare2 (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_migrate_prepare2_args *args,
remote_domain_migrate_prepare2_ret *ret)
{
int r;
char *cookie = NULL;
int cookielen = 0;
char *uri_in;
char **uri_out;
char *dname;
CHECK_CONN (client);
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) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
r = virDomainMigratePrepare2 (client->conn, &cookie, &cookielen,
uri_in, uri_out,
args->flags, dname, args->resource,
args->dom_xml);
if (r == -1) return -1;
/* 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;
return 0;
}
static int
remoteDispatchDomainMigrateFinish2 (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_migrate_finish2_args *args,
remote_domain_migrate_finish2_ret *ret)
{
virDomainPtr ddom;
CHECK_CONN (client);
ddom = virDomainMigrateFinish2 (client->conn, args->dname,
args->cookie.cookie_val,
args->cookie.cookie_len,
args->uri,
args->flags,
args->retcode);
if (ddom == NULL) return -1;
make_nonnull_domain (&ret->ddom, ddom);
return 0;
}
static int
remoteDispatchListDefinedDomains (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_list_defined_domains_args *args,
remote_list_defined_domains_ret *ret)
{
CHECK_CONN(client);
if (args->maxnames > REMOTE_DOMAIN_NAME_LIST_MAX) {
remoteDispatchError (client, req,
"%s", _("maxnames > REMOTE_DOMAIN_NAME_LIST_MAX"));
return -2;
}
/* Allocate return buffer. */
if (VIR_ALLOC_N(ret->names.names_val, args->maxnames) < 0) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
ret->names.names_len =
virConnectListDefinedDomains (client->conn,
ret->names.names_val, args->maxnames);
if (ret->names.names_len == -1) {
VIR_FREE(ret->names.names_val);
return -1;
}
return 0;
}
static int
remoteDispatchDomainLookupById (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_lookup_by_id_args *args,
remote_domain_lookup_by_id_ret *ret)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = virDomainLookupByID (client->conn, args->id);
if (dom == NULL) return -1;
make_nonnull_domain (&ret->dom, dom);
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainLookupByName (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_lookup_by_name_args *args,
remote_domain_lookup_by_name_ret *ret)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = virDomainLookupByName (client->conn, args->name);
if (dom == NULL) return -1;
make_nonnull_domain (&ret->dom, dom);
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainLookupByUuid (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_lookup_by_uuid_args *args,
remote_domain_lookup_by_uuid_ret *ret)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = virDomainLookupByUUID (client->conn, (unsigned char *) args->uuid);
if (dom == NULL) return -1;
make_nonnull_domain (&ret->dom, dom);
virDomainFree(dom);
return 0;
}
static int
remoteDispatchNumOfDefinedDomains (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
void *args ATTRIBUTE_UNUSED,
remote_num_of_defined_domains_ret *ret)
{
CHECK_CONN(client);
ret->num = virConnectNumOfDefinedDomains (client->conn);
if (ret->num == -1) return -1;
return 0;
}
static int
remoteDispatchDomainPinVcpu (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_pin_vcpu_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
int rv;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (args->cpumap.cpumap_len > REMOTE_CPUMAP_MAX) {
virDomainFree(dom);
remoteDispatchError (client, req, "%s", _("cpumap_len > REMOTE_CPUMAP_MAX"));
return -2;
}
rv = virDomainPinVcpu (dom, args->vcpu,
(unsigned char *) args->cpumap.cpumap_val,
args->cpumap.cpumap_len);
if (rv == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainReboot (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_reboot_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainReboot (dom, args->flags) == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainRestore (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_restore_args *args,
void *ret ATTRIBUTE_UNUSED)
{
CHECK_CONN(client);
if (virDomainRestore (client->conn, args->from) == -1)
return -1;
return 0;
}
static int
remoteDispatchDomainResume (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_resume_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainResume (dom) == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainSave (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_save_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainSave (dom, args->to) == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainCoreDump (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_core_dump_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainCoreDump (dom, args->to, args->flags) == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainSetAutostart (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_set_autostart_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainSetAutostart (dom, args->autostart) == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainSetMaxMemory (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_set_max_memory_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainSetMaxMemory (dom, args->memory) == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainSetMemory (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_set_memory_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainSetMemory (dom, args->memory) == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainSetVcpus (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_set_vcpus_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainSetVcpus (dom, args->nvcpus) == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainShutdown (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_shutdown_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainShutdown (dom) == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainSuspend (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_suspend_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainSuspend (dom) == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchDomainUndefine (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_domain_undefine_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virDomainPtr dom;
CHECK_CONN(client);
dom = get_nonnull_domain (client->conn, args->dom);
if (dom == NULL) {
remoteDispatchError (client, req, "%s", _("domain not found"));
return -2;
}
if (virDomainUndefine (dom) == -1) {
virDomainFree(dom);
return -1;
}
virDomainFree(dom);
return 0;
}
static int
remoteDispatchListDefinedNetworks (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_list_defined_networks_args *args,
remote_list_defined_networks_ret *ret)
{
CHECK_CONN(client);
if (args->maxnames > REMOTE_NETWORK_NAME_LIST_MAX) {
remoteDispatchError (client, req,
"%s", _("maxnames > REMOTE_NETWORK_NAME_LIST_MAX"));
return -2;
}
/* Allocate return buffer. */
if (VIR_ALLOC_N(ret->names.names_val, args->maxnames) < 0) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
ret->names.names_len =
virConnectListDefinedNetworks (client->conn,
ret->names.names_val, args->maxnames);
if (ret->names.names_len == -1) {
VIR_FREE(ret->names.names_val);
return -1;
}
return 0;
}
static int
remoteDispatchListDomains (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_list_domains_args *args,
remote_list_domains_ret *ret)
{
CHECK_CONN(client);
if (args->maxids > REMOTE_DOMAIN_ID_LIST_MAX) {
remoteDispatchError (client, req,
"%s", _("maxids > REMOTE_DOMAIN_ID_LIST_MAX"));
return -2;
}
/* Allocate return buffer. */
if (VIR_ALLOC_N(ret->ids.ids_val, args->maxids) < 0) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
ret->ids.ids_len = virConnectListDomains (client->conn,
ret->ids.ids_val, args->maxids);
if (ret->ids.ids_len == -1) {
VIR_FREE(ret->ids.ids_val);
return -1;
}
return 0;
}
static int
remoteDispatchListNetworks (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_list_networks_args *args,
remote_list_networks_ret *ret)
{
CHECK_CONN(client);
if (args->maxnames > REMOTE_NETWORK_NAME_LIST_MAX) {
remoteDispatchError (client, req,
"%s", _("maxnames > REMOTE_NETWORK_NAME_LIST_MAX"));
return -2;
}
/* Allocate return buffer. */
if (VIR_ALLOC_N(ret->names.names_val, args->maxnames) < 0) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
ret->names.names_len =
virConnectListNetworks (client->conn,
ret->names.names_val, args->maxnames);
if (ret->names.names_len == -1) {
VIR_FREE(ret->names.names_len);
return -1;
}
return 0;
}
static int
remoteDispatchNetworkCreate (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_network_create_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virNetworkPtr net;
CHECK_CONN(client);
net = get_nonnull_network (client->conn, args->net);
if (net == NULL) {
remoteDispatchError (client, req, "%s", _("network not found"));
return -2;
}
if (virNetworkCreate (net) == -1) {
virNetworkFree(net);
return -1;
}
virNetworkFree(net);
return 0;
}
static int
remoteDispatchNetworkCreateXml (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_network_create_xml_args *args,
remote_network_create_xml_ret *ret)
{
virNetworkPtr net;
CHECK_CONN(client);
net = virNetworkCreateXML (client->conn, args->xml);
if (net == NULL) return -1;
make_nonnull_network (&ret->net, net);
virNetworkFree(net);
return 0;
}
static int
remoteDispatchNetworkDefineXml (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_network_define_xml_args *args,
remote_network_define_xml_ret *ret)
{
virNetworkPtr net;
CHECK_CONN(client);
net = virNetworkDefineXML (client->conn, args->xml);
if (net == NULL) return -1;
make_nonnull_network (&ret->net, net);
virNetworkFree(net);
return 0;
}
static int
remoteDispatchNetworkDestroy (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_network_destroy_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virNetworkPtr net;
CHECK_CONN(client);
net = get_nonnull_network (client->conn, args->net);
if (net == NULL) {
remoteDispatchError (client, req, "%s", _("network not found"));
return -2;
}
if (virNetworkDestroy (net) == -1) {
virNetworkFree(net);
return -1;
}
virNetworkFree(net);
return 0;
}
static int
remoteDispatchNetworkDumpXml (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_network_dump_xml_args *args,
remote_network_dump_xml_ret *ret)
{
virNetworkPtr net;
CHECK_CONN(client);
net = get_nonnull_network (client->conn, args->net);
if (net == NULL) {
remoteDispatchError (client, req, "%s", _("network not found"));
return -2;
}
/* remoteDispatchClientRequest will free this. */
ret->xml = virNetworkGetXMLDesc (net, args->flags);
if (!ret->xml) {
virNetworkFree(net);
return -1;
}
virNetworkFree(net);
return 0;
}
static int
remoteDispatchNetworkGetAutostart (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_network_get_autostart_args *args,
remote_network_get_autostart_ret *ret)
{
virNetworkPtr net;
CHECK_CONN(client);
net = get_nonnull_network (client->conn, args->net);
if (net == NULL) {
remoteDispatchError (client, req, "%s", _("network not found"));
return -2;
}
if (virNetworkGetAutostart (net, &ret->autostart) == -1) {
virNetworkFree(net);
return -1;
}
virNetworkFree(net);
return 0;
}
static int
remoteDispatchNetworkGetBridgeName (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_network_get_bridge_name_args *args,
remote_network_get_bridge_name_ret *ret)
{
virNetworkPtr net;
CHECK_CONN(client);
net = get_nonnull_network (client->conn, args->net);
if (net == NULL) {
remoteDispatchError (client, req, "%s", _("network not found"));
return -2;
}
/* remoteDispatchClientRequest will free this. */
ret->name = virNetworkGetBridgeName (net);
if (!ret->name) {
virNetworkFree(net);
return -1;
}
virNetworkFree(net);
return 0;
}
static int
remoteDispatchNetworkLookupByName (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_network_lookup_by_name_args *args,
remote_network_lookup_by_name_ret *ret)
{
virNetworkPtr net;
CHECK_CONN(client);
net = virNetworkLookupByName (client->conn, args->name);
if (net == NULL) return -1;
make_nonnull_network (&ret->net, net);
virNetworkFree(net);
return 0;
}
static int
remoteDispatchNetworkLookupByUuid (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_network_lookup_by_uuid_args *args,
remote_network_lookup_by_uuid_ret *ret)
{
virNetworkPtr net;
CHECK_CONN(client);
net = virNetworkLookupByUUID (client->conn, (unsigned char *) args->uuid);
if (net == NULL) return -1;
make_nonnull_network (&ret->net, net);
virNetworkFree(net);
return 0;
}
static int
remoteDispatchNetworkSetAutostart (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_network_set_autostart_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virNetworkPtr net;
CHECK_CONN(client);
net = get_nonnull_network (client->conn, args->net);
if (net == NULL) {
remoteDispatchError (client, req, "%s", _("network not found"));
return -2;
}
if (virNetworkSetAutostart (net, args->autostart) == -1) {
virNetworkFree(net);
return -1;
}
virNetworkFree(net);
return 0;
}
static int
remoteDispatchNetworkUndefine (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_network_undefine_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virNetworkPtr net;
CHECK_CONN(client);
net = get_nonnull_network (client->conn, args->net);
if (net == NULL) {
remoteDispatchError (client, req, "%s", _("network not found"));
return -2;
}
if (virNetworkUndefine (net) == -1) {
virNetworkFree(net);
return -1;
}
virNetworkFree(net);
return 0;
}
static int
remoteDispatchNumOfDefinedNetworks (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
void *args ATTRIBUTE_UNUSED,
remote_num_of_defined_networks_ret *ret)
{
CHECK_CONN(client);
ret->num = virConnectNumOfDefinedNetworks (client->conn);
if (ret->num == -1) return -1;
return 0;
}
static int
remoteDispatchNumOfDomains (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
void *args ATTRIBUTE_UNUSED,
remote_num_of_domains_ret *ret)
{
CHECK_CONN(client);
ret->num = virConnectNumOfDomains (client->conn);
if (ret->num == -1) return -1;
return 0;
}
static int
remoteDispatchNumOfNetworks (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
void *args ATTRIBUTE_UNUSED,
remote_num_of_networks_ret *ret)
{
CHECK_CONN(client);
ret->num = virConnectNumOfNetworks (client->conn);
if (ret->num == -1) return -1;
return 0;
}
static int
remoteDispatchAuthList (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req ATTRIBUTE_UNUSED,
void *args ATTRIBUTE_UNUSED,
remote_auth_list_ret *ret)
{
ret->types.types_len = 1;
if (VIR_ALLOC_N(ret->types.types_val, ret->types.types_len) < 0) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
ret->types.types_val[0] = client->auth;
return 0;
}
#if HAVE_SASL
/*
* NB, keep in sync with similar method in src/remote_internal.c
*/
static char *addrToString(struct qemud_client *client,
remote_message_header *req,
struct sockaddr_storage *sa, socklen_t salen) {
char host[1024], port[20];
char *addr;
int err;
if ((err = getnameinfo((struct sockaddr *)sa, salen,
host, sizeof(host),
port, sizeof(port),
NI_NUMERICHOST | NI_NUMERICSERV)) != 0) {
remoteDispatchError(client, req,
_("Cannot resolve address %d: %s"),
err, gai_strerror(err));
return NULL;
}
if (VIR_ALLOC_N(addr, strlen(host) + 1 + strlen(port) + 1) < 0) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return NULL;
}
strcpy(addr, host);
strcat(addr, ";");
strcat(addr, port);
return addr;
}
/*
* Initializes the SASL session in prepare for authentication
* and gives the client a list of allowed mechanisms to choose
*
* XXX callbacks for stuff like password verification ?
*/
static int
remoteDispatchAuthSaslInit (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
void *args ATTRIBUTE_UNUSED,
remote_auth_sasl_init_ret *ret)
{
const char *mechlist = NULL;
sasl_security_properties_t secprops;
int err;
struct sockaddr_storage sa;
socklen_t salen;
char *localAddr, *remoteAddr;
REMOTE_DEBUG("Initialize SASL auth %d", client->fd);
if (client->auth != REMOTE_AUTH_SASL ||
client->saslconn != NULL) {
qemudLog(QEMUD_ERR, "%s", _("client tried invalid SASL init request"));
remoteDispatchFailAuth(client, req);
return -2;
}
/* Get local address in form IPADDR:PORT */
salen = sizeof(sa);
if (getsockname(client->fd, (struct sockaddr*)&sa, &salen) < 0) {
remoteDispatchError(client, req,
_("failed to get sock address %d (%s)"),
errno, strerror(errno));
return -2;
}
if ((localAddr = addrToString(client, req, &sa, salen)) == NULL) {
return -2;
}
/* Get remote address in form IPADDR:PORT */
salen = sizeof(sa);
if (getpeername(client->fd, (struct sockaddr*)&sa, &salen) < 0) {
remoteDispatchError(client, req, _("failed to get peer address %d (%s)"),
errno, strerror(errno));
VIR_FREE(localAddr);
return -2;
}
if ((remoteAddr = addrToString(client, req, &sa, salen)) == NULL) {
VIR_FREE(localAddr);
return -2;
}
err = sasl_server_new("libvirt",
NULL, /* FQDN - just delegates to gethostname */
NULL, /* User realm */
localAddr,
remoteAddr,
NULL, /* XXX Callbacks */
SASL_SUCCESS_DATA,
&client->saslconn);
VIR_FREE(localAddr);
VIR_FREE(remoteAddr);
if (err != SASL_OK) {
qemudLog(QEMUD_ERR, _("sasl context setup failed %d (%s)"),
err, sasl_errstring(err, NULL, NULL));
remoteDispatchFailAuth(client, req);
client->saslconn = NULL;
return -2;
}
/* Inform SASL that we've got an external SSF layer from TLS */
if (client->type == QEMUD_SOCK_TYPE_TLS) {
gnutls_cipher_algorithm_t cipher;
sasl_ssf_t ssf;
cipher = gnutls_cipher_get(client->tlssession);
if (!(ssf = (sasl_ssf_t)gnutls_cipher_get_key_size(cipher))) {
qemudLog(QEMUD_ERR, "%s", _("cannot TLS get cipher size"));
remoteDispatchFailAuth(client, req);
sasl_dispose(&client->saslconn);
client->saslconn = NULL;
return -2;
}
ssf *= 8; /* tls key size is bytes, sasl wants bits */
err = sasl_setprop(client->saslconn, SASL_SSF_EXTERNAL, &ssf);
if (err != SASL_OK) {
qemudLog(QEMUD_ERR, _("cannot set SASL external SSF %d (%s)"),
err, sasl_errstring(err, NULL, NULL));
remoteDispatchFailAuth(client, req);
sasl_dispose(&client->saslconn);
client->saslconn = NULL;
return -2;
}
}
memset (&secprops, 0, sizeof secprops);
if (client->type == QEMUD_SOCK_TYPE_TLS ||
client->type == QEMUD_SOCK_TYPE_UNIX) {
/* If we've got TLS or UNIX domain sock, we don't care about SSF */
secprops.min_ssf = 0;
secprops.max_ssf = 0;
secprops.maxbufsize = 8192;
secprops.security_flags = 0;
} else {
/* Plain TCP, better get an SSF layer */
secprops.min_ssf = 56; /* Good enough to require kerberos */
secprops.max_ssf = 100000; /* Arbitrary big number */
secprops.maxbufsize = 8192;
/* Forbid any anonymous or trivially crackable auth */
secprops.security_flags =
SASL_SEC_NOANONYMOUS | SASL_SEC_NOPLAINTEXT;
}
err = sasl_setprop(client->saslconn, SASL_SEC_PROPS, &secprops);
if (err != SASL_OK) {
qemudLog(QEMUD_ERR, _("cannot set SASL security props %d (%s)"),
err, sasl_errstring(err, NULL, NULL));
remoteDispatchFailAuth(client, req);
sasl_dispose(&client->saslconn);
client->saslconn = NULL;
return -2;
}
err = sasl_listmech(client->saslconn,
NULL, /* Don't need to set user */
"", /* Prefix */
",", /* Separator */
"", /* Suffix */
&mechlist,
NULL,
NULL);
if (err != SASL_OK) {
qemudLog(QEMUD_ERR, _("cannot list SASL mechanisms %d (%s)"),
err, sasl_errdetail(client->saslconn));
remoteDispatchFailAuth(client, req);
sasl_dispose(&client->saslconn);
client->saslconn = NULL;
return -2;
}
REMOTE_DEBUG("Available mechanisms for client: '%s'", mechlist);
ret->mechlist = strdup(mechlist);
if (!ret->mechlist) {
qemudLog(QEMUD_ERR, "%s", _("cannot allocate mechlist"));
remoteDispatchFailAuth(client, req);
sasl_dispose(&client->saslconn);
client->saslconn = NULL;
return -2;
}
return 0;
}
/* We asked for an SSF layer, so sanity check that we actually
* got what we asked for */
static int
remoteSASLCheckSSF (struct qemud_client *client,
remote_message_header *req) {
const void *val;
int err, ssf;
if (client->type == QEMUD_SOCK_TYPE_TLS ||
client->type == QEMUD_SOCK_TYPE_UNIX)
return 0; /* TLS or UNIX domain sockets trivially OK */
err = sasl_getprop(client->saslconn, SASL_SSF, &val);
if (err != SASL_OK) {
qemudLog(QEMUD_ERR, _("cannot query SASL ssf on connection %d (%s)"),
err, sasl_errstring(err, NULL, NULL));
remoteDispatchFailAuth(client, req);
sasl_dispose(&client->saslconn);
client->saslconn = NULL;
return -1;
}
ssf = *(const int *)val;
REMOTE_DEBUG("negotiated an SSF of %d", ssf);
if (ssf < 56) { /* 56 is good for Kerberos */
qemudLog(QEMUD_ERR, _("negotiated SSF %d was not strong enough"), ssf);
remoteDispatchFailAuth(client, req);
sasl_dispose(&client->saslconn);
client->saslconn = NULL;
return -1;
}
/* Only setup for read initially, because we're about to send an RPC
* reply which must be in plain text. When the next incoming RPC
* arrives, we'll switch on writes too
*
* cf qemudClientReadSASL in qemud.c
*/
client->saslSSF = QEMUD_SASL_SSF_READ;
/* We have a SSF !*/
return 0;
}
static int
remoteSASLCheckAccess (struct qemud_server *server,
struct qemud_client *client,
remote_message_header *req) {
const void *val;
int err;
char **wildcards;
err = sasl_getprop(client->saslconn, SASL_USERNAME, &val);
if (err != SASL_OK) {
qemudLog(QEMUD_ERR,
_("cannot query SASL username on connection %d (%s)"),
err, sasl_errstring(err, NULL, NULL));
remoteDispatchFailAuth(client, req);
sasl_dispose(&client->saslconn);
client->saslconn = NULL;
return -1;
}
if (val == NULL) {
qemudLog(QEMUD_ERR, "%s", _("no client username was found"));
remoteDispatchFailAuth(client, req);
sasl_dispose(&client->saslconn);
client->saslconn = NULL;
return -1;
}
REMOTE_DEBUG("SASL client username %s", (const char *)val);
client->saslUsername = strdup((const char*)val);
if (client->saslUsername == NULL) {
qemudLog(QEMUD_ERR, "%s", _("out of memory copying username"));
remoteDispatchFailAuth(client, req);
sasl_dispose(&client->saslconn);
client->saslconn = NULL;
return -1;
}
/* If the list is not set, allow any DN. */
wildcards = server->saslUsernameWhitelist;
if (!wildcards)
return 0; /* No ACL, allow all */
while (*wildcards) {
if (fnmatch (*wildcards, client->saslUsername, 0) == 0)
return 0; /* Allowed */
wildcards++;
}
/* Denied */
qemudLog(QEMUD_ERR, _("SASL client %s not allowed in whitelist"),
client->saslUsername);
remoteDispatchFailAuth(client, req);
sasl_dispose(&client->saslconn);
client->saslconn = NULL;
return -1;
}
/*
* This starts the SASL authentication negotiation.
*/
static int
remoteDispatchAuthSaslStart (struct qemud_server *server,
struct qemud_client *client,
remote_message_header *req,
remote_auth_sasl_start_args *args,
remote_auth_sasl_start_ret *ret)
{
const char *serverout;
unsigned int serveroutlen;
int err;
REMOTE_DEBUG("Start SASL auth %d", client->fd);
if (client->auth != REMOTE_AUTH_SASL ||
client->saslconn == NULL) {
qemudLog(QEMUD_ERR, "%s", _("client tried invalid SASL start request"));
remoteDispatchFailAuth(client, req);
return -2;
}
REMOTE_DEBUG("Using SASL mechanism %s. Data %d bytes, nil: %d",
args->mech, args->data.data_len, args->nil);
err = sasl_server_start(client->saslconn,
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 != SASL_OK &&
err != SASL_CONTINUE) {
qemudLog(QEMUD_ERR, _("sasl start failed %d (%s)"),
err, sasl_errdetail(client->saslconn));
sasl_dispose(&client->saslconn);
client->saslconn = NULL;
remoteDispatchFailAuth(client, req);
return -2;
}
if (serveroutlen > REMOTE_AUTH_SASL_DATA_MAX) {
qemudLog(QEMUD_ERR, _("sasl start reply data too long %d"),
serveroutlen);
sasl_dispose(&client->saslconn);
client->saslconn = NULL;
remoteDispatchFailAuth(client, req);
return -2;
}
/* NB, distinction of NULL vs "" is *critical* in SASL */
if (serverout) {
if (VIR_ALLOC_N(ret->data.data_val, serveroutlen) < 0) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
memcpy(ret->data.data_val, serverout, serveroutlen);
} else {
ret->data.data_val = NULL;
}
ret->nil = serverout ? 0 : 1;
ret->data.data_len = serveroutlen;
REMOTE_DEBUG("SASL return data %d bytes, nil; %d", ret->data.data_len, ret->nil);
if (err == SASL_CONTINUE) {
ret->complete = 0;
} else {
if (remoteSASLCheckSSF(client, req) < 0)
return -2;
/* Check username whitelist ACL */
if (remoteSASLCheckAccess(server, client, req) < 0)
return -2;
REMOTE_DEBUG("Authentication successful %d", client->fd);
ret->complete = 1;
client->auth = REMOTE_AUTH_NONE;
}
return 0;
}
static int
remoteDispatchAuthSaslStep (struct qemud_server *server,
struct qemud_client *client,
remote_message_header *req,
remote_auth_sasl_step_args *args,
remote_auth_sasl_step_ret *ret)
{
const char *serverout;
unsigned int serveroutlen;
int err;
REMOTE_DEBUG("Step SASL auth %d", client->fd);
if (client->auth != REMOTE_AUTH_SASL ||
client->saslconn == NULL) {
qemudLog(QEMUD_ERR, "%s", _("client tried invalid SASL start request"));
remoteDispatchFailAuth(client, req);
return -2;
}
REMOTE_DEBUG("Using SASL Data %d bytes, nil: %d",
args->data.data_len, args->nil);
err = sasl_server_step(client->saslconn,
/* NB, distinction of NULL vs "" is *critical* in SASL */
args->nil ? NULL : args->data.data_val,
args->data.data_len,
&serverout,
&serveroutlen);
if (err != SASL_OK &&
err != SASL_CONTINUE) {
qemudLog(QEMUD_ERR, _("sasl step failed %d (%s)"),
err, sasl_errdetail(client->saslconn));
sasl_dispose(&client->saslconn);
client->saslconn = NULL;
remoteDispatchFailAuth(client, req);
return -2;
}
if (serveroutlen > REMOTE_AUTH_SASL_DATA_MAX) {
qemudLog(QEMUD_ERR, _("sasl step reply data too long %d"),
serveroutlen);
sasl_dispose(&client->saslconn);
client->saslconn = NULL;
remoteDispatchFailAuth(client, req);
return -2;
}
/* NB, distinction of NULL vs "" is *critical* in SASL */
if (serverout) {
if (VIR_ALLOC_N(ret->data.data_val, serveroutlen) < 0) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
memcpy(ret->data.data_val, serverout, serveroutlen);
} else {
ret->data.data_val = NULL;
}
ret->nil = serverout ? 0 : 1;
ret->data.data_len = serveroutlen;
REMOTE_DEBUG("SASL return data %d bytes, nil; %d", ret->data.data_len, ret->nil);
if (err == SASL_CONTINUE) {
ret->complete = 0;
} else {
if (remoteSASLCheckSSF(client, req) < 0)
return -2;
/* Check username whitelist ACL */
if (remoteSASLCheckAccess(server, client, req) < 0)
return -2;
REMOTE_DEBUG("Authentication successful %d", client->fd);
ret->complete = 1;
client->auth = REMOTE_AUTH_NONE;
}
return 0;
}
#else /* HAVE_SASL */
static int
remoteDispatchAuthSaslInit (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
void *args ATTRIBUTE_UNUSED,
remote_auth_sasl_init_ret *ret ATTRIBUTE_UNUSED)
{
qemudLog(QEMUD_ERR, "%s", _("client tried unsupported SASL init request"));
remoteDispatchFailAuth(client, req);
return -1;
}
static int
remoteDispatchAuthSaslStart (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_auth_sasl_start_args *args ATTRIBUTE_UNUSED,
remote_auth_sasl_start_ret *ret ATTRIBUTE_UNUSED)
{
qemudLog(QEMUD_ERR, "%s", _("client tried unsupported SASL start request"));
remoteDispatchFailAuth(client, req);
return -1;
}
static int
remoteDispatchAuthSaslStep (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_auth_sasl_step_args *args ATTRIBUTE_UNUSED,
remote_auth_sasl_step_ret *ret ATTRIBUTE_UNUSED)
{
qemudLog(QEMUD_ERR, "%s", _("client tried unsupported SASL step request"));
remoteDispatchFailAuth(client, req);
return -1;
}
#endif /* HAVE_SASL */
#if HAVE_POLKIT
static int
remoteDispatchAuthPolkit (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
void *args ATTRIBUTE_UNUSED,
remote_auth_polkit_ret *ret)
{
pid_t callerPid;
uid_t callerUid;
PolKitCaller *pkcaller = NULL;
PolKitAction *pkaction = NULL;
PolKitContext *pkcontext = NULL;
PolKitError *pkerr = NULL;
PolKitResult pkresult;
DBusError err;
const char *action = client->readonly ?
"org.libvirt.unix.monitor" :
"org.libvirt.unix.manage";
REMOTE_DEBUG("Start PolicyKit auth %d", client->fd);
if (client->auth != REMOTE_AUTH_POLKIT) {
qemudLog(QEMUD_ERR,
"%s", _("client tried invalid PolicyKit init request"));
remoteDispatchFailAuth(client, req);
return -2;
}
if (qemudGetSocketIdentity(client->fd, &callerUid, &callerPid) < 0) {
qemudLog(QEMUD_ERR, "%s", _("cannot get peer socket identity"));
remoteDispatchFailAuth(client, req);
return -2;
}
qemudLog(QEMUD_INFO, _("Checking PID %d running as %d"),
callerPid, callerUid);
dbus_error_init(&err);
if (!(pkcaller = polkit_caller_new_from_pid(server->sysbus,
callerPid, &err))) {
qemudLog(QEMUD_ERR, _("Failed to lookup policy kit caller: %s"),
err.message);
dbus_error_free(&err);
remoteDispatchFailAuth(client, req);
return -2;
}
if (!(pkaction = polkit_action_new())) {
qemudLog(QEMUD_ERR, _("Failed to create polkit action %s\n"),
strerror(errno));
polkit_caller_unref(pkcaller);
remoteDispatchFailAuth(client, req);
return -2;
}
polkit_action_set_action_id(pkaction, action);
if (!(pkcontext = polkit_context_new()) ||
!polkit_context_init(pkcontext, &pkerr)) {
qemudLog(QEMUD_ERR, _("Failed to create polkit context %s\n"),
(pkerr ? polkit_error_get_error_message(pkerr)
: strerror(errno)));
if (pkerr)
polkit_error_free(pkerr);
polkit_caller_unref(pkcaller);
polkit_action_unref(pkaction);
dbus_error_free(&err);
remoteDispatchFailAuth(client, req);
return -2;
}
#if HAVE_POLKIT_CONTEXT_IS_CALLER_AUTHORIZED
pkresult = polkit_context_is_caller_authorized(pkcontext,
pkaction,
pkcaller,
0,
&pkerr);
if (pkerr && polkit_error_is_set(pkerr)) {
qemudLog(QEMUD_ERR,
_("Policy kit failed to check authorization %d %s"),
polkit_error_get_error_code(pkerr),
polkit_error_get_error_message(pkerr));
remoteDispatchFailAuth(client, req);
return -2;
}
#else
pkresult = polkit_context_can_caller_do_action(pkcontext,
pkaction,
pkcaller);
#endif
polkit_context_unref(pkcontext);
polkit_caller_unref(pkcaller);
polkit_action_unref(pkaction);
if (pkresult != POLKIT_RESULT_YES) {
qemudLog(QEMUD_ERR,
_("Policy kit denied action %s from pid %d, uid %d,"
" result: %s\n"),
action, callerPid, callerUid,
polkit_result_to_string_representation(pkresult));
remoteDispatchFailAuth(client, req);
return -2;
}
qemudLog(QEMUD_INFO,
_("Policy allowed action %s from pid %d, uid %d, result %s"),
action, callerPid, callerUid,
polkit_result_to_string_representation(pkresult));
ret->complete = 1;
client->auth = REMOTE_AUTH_NONE;
return 0;
}
#else /* HAVE_POLKIT */
static int
remoteDispatchAuthPolkit (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
void *args ATTRIBUTE_UNUSED,
remote_auth_polkit_ret *ret ATTRIBUTE_UNUSED)
{
qemudLog(QEMUD_ERR,
"%s", _("client tried unsupported PolicyKit init request"));
remoteDispatchFailAuth(client, req);
return -1;
}
#endif /* HAVE_POLKIT */
/***************************************************************
* STORAGE POOL APIS
***************************************************************/
static int
remoteDispatchListDefinedStoragePools (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_list_defined_storage_pools_args *args,
remote_list_defined_storage_pools_ret *ret)
{
CHECK_CONN(client);
if (args->maxnames > REMOTE_NETWORK_NAME_LIST_MAX) {
remoteDispatchError (client, req,
"%s", _("maxnames > REMOTE_NETWORK_NAME_LIST_MAX"));
return -2;
}
/* Allocate return buffer. */
if (VIR_ALLOC_N(ret->names.names_val, args->maxnames) < 0) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
ret->names.names_len =
virConnectListDefinedStoragePools (client->conn,
ret->names.names_val, args->maxnames);
if (ret->names.names_len == -1) {
VIR_FREE(ret->names.names_val);
return -1;
}
return 0;
}
static int
remoteDispatchListStoragePools (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_list_storage_pools_args *args,
remote_list_storage_pools_ret *ret)
{
CHECK_CONN(client);
if (args->maxnames > REMOTE_STORAGE_POOL_NAME_LIST_MAX) {
remoteDispatchError (client, req,
"%s", _("maxnames > REMOTE_STORAGE_POOL_NAME_LIST_MAX"));
return -2;
}
/* Allocate return buffer. */
if (VIR_ALLOC_N(ret->names.names_val, args->maxnames) < 0) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
ret->names.names_len =
virConnectListStoragePools (client->conn,
ret->names.names_val, args->maxnames);
if (ret->names.names_len == -1) {
VIR_FREE(ret->names.names_val);
return -1;
}
return 0;
}
static int
remoteDispatchFindStoragePoolSources (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_find_storage_pool_sources_args *args,
remote_find_storage_pool_sources_ret *ret)
{
CHECK_CONN(client);
ret->xml =
virConnectFindStoragePoolSources (client->conn,
args->type,
args->srcSpec ? *args->srcSpec : NULL,
args->flags);
if (ret->xml == NULL)
return -1;
return 0;
}
static int
remoteDispatchStoragePoolCreate (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_create_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virStoragePoolPtr pool;
CHECK_CONN(client);
pool = get_nonnull_storage_pool (client->conn, args->pool);
if (pool == NULL) {
remoteDispatchError (client, req, "%s", _("storage_pool not found"));
return -2;
}
if (virStoragePoolCreate (pool, args->flags) == -1) {
virStoragePoolFree(pool);
return -1;
}
virStoragePoolFree(pool);
return 0;
}
static int
remoteDispatchStoragePoolCreateXml (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_create_xml_args *args,
remote_storage_pool_create_xml_ret *ret)
{
virStoragePoolPtr pool;
CHECK_CONN(client);
pool = virStoragePoolCreateXML (client->conn, args->xml, args->flags);
if (pool == NULL) return -1;
make_nonnull_storage_pool (&ret->pool, pool);
virStoragePoolFree(pool);
return 0;
}
static int
remoteDispatchStoragePoolDefineXml (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_define_xml_args *args,
remote_storage_pool_define_xml_ret *ret)
{
virStoragePoolPtr pool;
CHECK_CONN(client);
pool = virStoragePoolDefineXML (client->conn, args->xml, args->flags);
if (pool == NULL) return -1;
make_nonnull_storage_pool (&ret->pool, pool);
virStoragePoolFree(pool);
return 0;
}
static int
remoteDispatchStoragePoolBuild (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_build_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virStoragePoolPtr pool;
CHECK_CONN(client);
pool = get_nonnull_storage_pool (client->conn, args->pool);
if (pool == NULL) {
remoteDispatchError (client, req, "%s", _("storage_pool not found"));
return -2;
}
if (virStoragePoolBuild (pool, args->flags) == -1) {
virStoragePoolFree(pool);
return -1;
}
virStoragePoolFree(pool);
return 0;
}
static int
remoteDispatchStoragePoolDestroy (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_destroy_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virStoragePoolPtr pool;
CHECK_CONN(client);
pool = get_nonnull_storage_pool (client->conn, args->pool);
if (pool == NULL) {
remoteDispatchError (client, req, "%s", _("storage_pool not found"));
return -2;
}
if (virStoragePoolDestroy (pool) == -1) {
virStoragePoolFree(pool);
return -1;
}
virStoragePoolFree(pool);
return 0;
}
static int
remoteDispatchStoragePoolDelete (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_delete_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virStoragePoolPtr pool;
CHECK_CONN(client);
pool = get_nonnull_storage_pool (client->conn, args->pool);
if (pool == NULL) {
remoteDispatchError (client, req, "%s", _("storage_pool not found"));
return -2;
}
if (virStoragePoolDelete (pool, args->flags) == -1) {
virStoragePoolFree(pool);
return -1;
}
virStoragePoolFree(pool);
return 0;
}
static int
remoteDispatchStoragePoolRefresh (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_refresh_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virStoragePoolPtr pool;
CHECK_CONN(client);
pool = get_nonnull_storage_pool (client->conn, args->pool);
if (pool == NULL) {
remoteDispatchError (client, req, "%s", _("storage_pool not found"));
return -2;
}
if (virStoragePoolRefresh (pool, args->flags) == -1) {
virStoragePoolFree(pool);
return -1;
}
virStoragePoolFree(pool);
return 0;
}
static int
remoteDispatchStoragePoolGetInfo (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_get_info_args *args,
remote_storage_pool_get_info_ret *ret)
{
virStoragePoolPtr pool;
virStoragePoolInfo info;
CHECK_CONN(client);
pool = get_nonnull_storage_pool (client->conn, args->pool);
if (pool == NULL) {
remoteDispatchError (client, req, "%s", _("storage_pool not found"));
return -2;
}
if (virStoragePoolGetInfo (pool, &info) == -1) {
virStoragePoolFree(pool);
return -1;
}
ret->state = info.state;
ret->capacity = info.capacity;
ret->allocation = info.allocation;
ret->available = info.available;
virStoragePoolFree(pool);
return 0;
}
static int
remoteDispatchStoragePoolDumpXml (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_dump_xml_args *args,
remote_storage_pool_dump_xml_ret *ret)
{
virStoragePoolPtr pool;
CHECK_CONN(client);
pool = get_nonnull_storage_pool (client->conn, args->pool);
if (pool == NULL) {
remoteDispatchError (client, req, "%s", _("storage_pool not found"));
return -2;
}
/* remoteDispatchClientRequest will free this. */
ret->xml = virStoragePoolGetXMLDesc (pool, args->flags);
if (!ret->xml) {
virStoragePoolFree(pool);
return -1;
}
virStoragePoolFree(pool);
return 0;
}
static int
remoteDispatchStoragePoolGetAutostart (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_get_autostart_args *args,
remote_storage_pool_get_autostart_ret *ret)
{
virStoragePoolPtr pool;
CHECK_CONN(client);
pool = get_nonnull_storage_pool (client->conn, args->pool);
if (pool == NULL) {
remoteDispatchError (client, req, "%s", _("storage_pool not found"));
return -2;
}
if (virStoragePoolGetAutostart (pool, &ret->autostart) == -1) {
virStoragePoolFree(pool);
return -1;
}
virStoragePoolFree(pool);
return 0;
}
static int
remoteDispatchStoragePoolLookupByName (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_lookup_by_name_args *args,
remote_storage_pool_lookup_by_name_ret *ret)
{
virStoragePoolPtr pool;
CHECK_CONN(client);
pool = virStoragePoolLookupByName (client->conn, args->name);
if (pool == NULL) return -1;
make_nonnull_storage_pool (&ret->pool, pool);
virStoragePoolFree(pool);
return 0;
}
static int
remoteDispatchStoragePoolLookupByUuid (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_lookup_by_uuid_args *args,
remote_storage_pool_lookup_by_uuid_ret *ret)
{
virStoragePoolPtr pool;
CHECK_CONN(client);
pool = virStoragePoolLookupByUUID (client->conn, (unsigned char *) args->uuid);
if (pool == NULL) return -1;
make_nonnull_storage_pool (&ret->pool, pool);
virStoragePoolFree(pool);
return 0;
}
static int
remoteDispatchStoragePoolLookupByVolume (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_lookup_by_volume_args *args,
remote_storage_pool_lookup_by_volume_ret *ret)
{
virStoragePoolPtr pool;
virStorageVolPtr vol;
CHECK_CONN(client);
vol = get_nonnull_storage_vol (client->conn, args->vol);
pool = virStoragePoolLookupByVolume (vol);
virStorageVolFree(vol);
if (pool == NULL) return -1;
make_nonnull_storage_pool (&ret->pool, pool);
virStoragePoolFree(pool);
return 0;
}
static int
remoteDispatchStoragePoolSetAutostart (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_set_autostart_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virStoragePoolPtr pool;
CHECK_CONN(client);
pool = get_nonnull_storage_pool (client->conn, args->pool);
if (pool == NULL) {
remoteDispatchError (client, req, "%s", _("storage_pool not found"));
return -2;
}
if (virStoragePoolSetAutostart (pool, args->autostart) == -1) {
virStoragePoolFree(pool);
return -1;
}
virStoragePoolFree(pool);
return 0;
}
static int
remoteDispatchStoragePoolUndefine (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_undefine_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virStoragePoolPtr pool;
CHECK_CONN(client);
pool = get_nonnull_storage_pool (client->conn, args->pool);
if (pool == NULL) {
remoteDispatchError (client, req, "%s", _("storage_pool not found"));
return -2;
}
if (virStoragePoolUndefine (pool) == -1) {
virStoragePoolFree(pool);
return -1;
}
virStoragePoolFree(pool);
return 0;
}
static int
remoteDispatchNumOfStoragePools (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
void *args ATTRIBUTE_UNUSED,
remote_num_of_storage_pools_ret *ret)
{
CHECK_CONN(client);
ret->num = virConnectNumOfStoragePools (client->conn);
if (ret->num == -1) return -1;
return 0;
}
static int
remoteDispatchNumOfDefinedStoragePools (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
void *args ATTRIBUTE_UNUSED,
remote_num_of_defined_storage_pools_ret *ret)
{
CHECK_CONN(client);
ret->num = virConnectNumOfDefinedStoragePools (client->conn);
if (ret->num == -1) return -1;
return 0;
}
static int
remoteDispatchStoragePoolListVolumes (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_list_volumes_args *args,
remote_storage_pool_list_volumes_ret *ret)
{
virStoragePoolPtr pool;
CHECK_CONN(client);
if (args->maxnames > REMOTE_STORAGE_VOL_NAME_LIST_MAX) {
remoteDispatchError (client, req,
"%s", _("maxnames > REMOTE_STORAGE_VOL_NAME_LIST_MAX"));
return -2;
}
pool = get_nonnull_storage_pool (client->conn, args->pool);
if (pool == NULL) {
remoteDispatchError (client, req, "%s", _("storage_pool not found"));
return -2;
}
/* Allocate return buffer. */
if (VIR_ALLOC_N(ret->names.names_val, args->maxnames) < 0) {
virStoragePoolFree(pool);
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
ret->names.names_len =
virStoragePoolListVolumes (pool,
ret->names.names_val, args->maxnames);
virStoragePoolFree(pool);
if (ret->names.names_len == -1) {
VIR_FREE(ret->names.names_val);
return -1;
}
return 0;
}
static int
remoteDispatchStoragePoolNumOfVolumes (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_pool_num_of_volumes_args *args,
remote_storage_pool_num_of_volumes_ret *ret)
{
virStoragePoolPtr pool;
CHECK_CONN(client);
pool = get_nonnull_storage_pool (client->conn, args->pool);
if (pool == NULL) {
remoteDispatchError (client, req, "%s", _("storage_pool not found"));
return -2;
}
ret->num = virStoragePoolNumOfVolumes (pool);
virStoragePoolFree(pool);
if (ret->num == -1) return -1;
return 0;
}
/***************************************************************
* STORAGE VOL APIS
***************************************************************/
static int
remoteDispatchStorageVolCreateXml (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_vol_create_xml_args *args,
remote_storage_vol_create_xml_ret *ret)
{
virStoragePoolPtr pool;
virStorageVolPtr vol;
CHECK_CONN(client);
pool = get_nonnull_storage_pool (client->conn, args->pool);
if (pool == NULL) {
remoteDispatchError (client, req, "%s", _("storage_pool not found"));
return -2;
}
vol = virStorageVolCreateXML (pool, args->xml, args->flags);
virStoragePoolFree(pool);
if (vol == NULL) return -1;
make_nonnull_storage_vol (&ret->vol, vol);
virStorageVolFree(vol);
return 0;
}
static int
remoteDispatchStorageVolDelete (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_vol_delete_args *args,
void *ret ATTRIBUTE_UNUSED)
{
virStorageVolPtr vol;
CHECK_CONN(client);
vol = get_nonnull_storage_vol (client->conn, args->vol);
if (vol == NULL) {
remoteDispatchError (client, req, "%s", _("storage_vol not found"));
return -2;
}
if (virStorageVolDelete (vol, args->flags) == -1) {
virStorageVolFree(vol);
return -1;
}
virStorageVolFree(vol);
return 0;
}
static int
remoteDispatchStorageVolGetInfo (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_vol_get_info_args *args,
remote_storage_vol_get_info_ret *ret)
{
virStorageVolPtr vol;
virStorageVolInfo info;
CHECK_CONN(client);
vol = get_nonnull_storage_vol (client->conn, args->vol);
if (vol == NULL) {
remoteDispatchError (client, req, "%s", _("storage_vol not found"));
return -2;
}
if (virStorageVolGetInfo (vol, &info) == -1) {
virStorageVolFree(vol);
return -1;
}
ret->type = info.type;
ret->capacity = info.capacity;
ret->allocation = info.allocation;
virStorageVolFree(vol);
return 0;
}
static int
remoteDispatchStorageVolDumpXml (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_vol_dump_xml_args *args,
remote_storage_vol_dump_xml_ret *ret)
{
virStorageVolPtr vol;
CHECK_CONN(client);
vol = get_nonnull_storage_vol (client->conn, args->vol);
if (vol == NULL) {
remoteDispatchError (client, req, "%s", _("storage_vol not found"));
return -2;
}
/* remoteDispatchClientRequest will free this. */
ret->xml = virStorageVolGetXMLDesc (vol, args->flags);
if (!ret->xml) {
virStorageVolFree(vol);
return -1;
}
virStorageVolFree(vol);
return 0;
}
static int
remoteDispatchStorageVolGetPath (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_vol_get_path_args *args,
remote_storage_vol_get_path_ret *ret)
{
virStorageVolPtr vol;
CHECK_CONN(client);
vol = get_nonnull_storage_vol (client->conn, args->vol);
if (vol == NULL) {
remoteDispatchError (client, req, "%s", _("storage_vol not found"));
return -2;
}
/* remoteDispatchClientRequest will free this. */
ret->name = virStorageVolGetPath (vol);
if (!ret->name) {
virStorageVolFree(vol);
return -1;
}
virStorageVolFree(vol);
return 0;
}
static int
remoteDispatchStorageVolLookupByName (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_vol_lookup_by_name_args *args,
remote_storage_vol_lookup_by_name_ret *ret)
{
virStoragePoolPtr pool;
virStorageVolPtr vol;
CHECK_CONN(client);
pool = get_nonnull_storage_pool (client->conn, args->pool);
if (pool == NULL) {
remoteDispatchError (client, req, "%s", _("storage_pool not found"));
return -2;
}
vol = virStorageVolLookupByName (pool, args->name);
virStoragePoolFree(pool);
if (vol == NULL) return -1;
make_nonnull_storage_vol (&ret->vol, vol);
virStorageVolFree(vol);
return 0;
}
static int
remoteDispatchStorageVolLookupByKey (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_vol_lookup_by_key_args *args,
remote_storage_vol_lookup_by_key_ret *ret)
{
virStorageVolPtr vol;
CHECK_CONN(client);
vol = virStorageVolLookupByKey (client->conn, args->key);
if (vol == NULL) return -1;
make_nonnull_storage_vol (&ret->vol, vol);
virStorageVolFree(vol);
return 0;
}
static int
remoteDispatchStorageVolLookupByPath (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_storage_vol_lookup_by_path_args *args,
remote_storage_vol_lookup_by_path_ret *ret)
{
virStorageVolPtr vol;
CHECK_CONN(client);
vol = virStorageVolLookupByPath (client->conn, args->path);
if (vol == NULL) return -1;
make_nonnull_storage_vol (&ret->vol, vol);
virStorageVolFree(vol);
return 0;
}
/***************************************************************
* NODE INFO APIS
**************************************************************/
static int
remoteDispatchNodeNumOfDevices (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_node_num_of_devices_args *args,
remote_node_num_of_devices_ret *ret)
{
CHECK_CONN(client);
ret->num = virNodeNumOfDevices (client->conn,
args->cap ? *args->cap : NULL,
args->flags);
if (ret->num == -1) return -1;
return 0;
}
static int
remoteDispatchNodeListDevices (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_node_list_devices_args *args,
remote_node_list_devices_ret *ret)
{
CHECK_CONN(client);
if (args->maxnames > REMOTE_NODE_DEVICE_NAME_LIST_MAX) {
remoteDispatchError (client, req,
"%s", _("maxnames > REMOTE_NODE_DEVICE_NAME_LIST_MAX"));
return -2;
}
/* Allocate return buffer. */
if (VIR_ALLOC_N(ret->names.names_val, args->maxnames) < 0) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
ret->names.names_len =
virNodeListDevices (client->conn,
args->cap ? *args->cap : NULL,
ret->names.names_val, args->maxnames, args->flags);
if (ret->names.names_len == -1) {
VIR_FREE(ret->names.names_val);
return -1;
}
return 0;
}
static int
remoteDispatchNodeDeviceLookupByName (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_node_device_lookup_by_name_args *args,
remote_node_device_lookup_by_name_ret *ret)
{
virNodeDevicePtr dev;
CHECK_CONN(client);
dev = virNodeDeviceLookupByName (client->conn, args->name);
if (dev == NULL) return -1;
make_nonnull_node_device (&ret->dev, dev);
virNodeDeviceFree(dev);
return 0;
}
static int
remoteDispatchNodeDeviceDumpXml (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_node_device_dump_xml_args *args,
remote_node_device_dump_xml_ret *ret)
{
virNodeDevicePtr dev;
CHECK_CONN(client);
dev = virNodeDeviceLookupByName(client->conn, args->name);
if (dev == NULL) {
remoteDispatchError (client, req, "%s", _("node_device not found"));
return -2;
}
/* remoteDispatchClientRequest will free this. */
ret->xml = virNodeDeviceGetXMLDesc (dev, args->flags);
if (!ret->xml) {
virNodeDeviceFree(dev);
return -1;
}
virNodeDeviceFree(dev);
return 0;
}
static int
remoteDispatchNodeDeviceGetParent (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_node_device_get_parent_args *args,
remote_node_device_get_parent_ret *ret)
{
virNodeDevicePtr dev;
const char *parent;
CHECK_CONN(client);
dev = virNodeDeviceLookupByName(client->conn, args->name);
if (dev == NULL) {
remoteDispatchError (client, req, "%s", _("node_device not found"));
return -2;
}
parent = virNodeDeviceGetParent(dev);
if (parent == NULL) {
ret->parent = NULL;
} else {
/* remoteDispatchClientRequest will free this. */
char **parent_p;
if (VIR_ALLOC(parent_p) < 0) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
*parent_p = strdup(parent);
if (*parent_p == NULL) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
ret->parent = parent_p;
}
virNodeDeviceFree(dev);
return 0;
}
static int
remoteDispatchNodeDeviceNumOfCaps (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_node_device_num_of_caps_args *args,
remote_node_device_num_of_caps_ret *ret)
{
virNodeDevicePtr dev;
CHECK_CONN(client);
dev = virNodeDeviceLookupByName(client->conn, args->name);
if (dev == NULL) {
remoteDispatchError (client, req, "%s", _("node_device not found"));
return -2;
}
ret->num = virNodeDeviceNumOfCaps(dev);
virNodeDeviceFree(dev);
return 0;
}
static int
remoteDispatchNodeDeviceListCaps (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req,
remote_node_device_list_caps_args *args,
remote_node_device_list_caps_ret *ret)
{
virNodeDevicePtr dev;
CHECK_CONN(client);
dev = virNodeDeviceLookupByName(client->conn, args->name);
if (dev == NULL) {
remoteDispatchError (client, req, "%s", _("node_device not found"));
return -2;
}
if (args->maxnames > REMOTE_NODE_DEVICE_NAME_LIST_MAX) {
remoteDispatchError (client, req,
"%s", _("maxnames > REMOTE_NODE_DEVICE_NAME_LIST_MAX"));
return -2;
}
/* Allocate return buffer. */
if (VIR_ALLOC_N(ret->names.names_val, args->maxnames) < 0) {
remoteDispatchSendError(client, req, VIR_ERR_NO_MEMORY, NULL);
return -2;
}
ret->names.names_len =
virNodeDeviceListCaps (dev, ret->names.names_val,
args->maxnames);
if (ret->names.names_len == -1) {
VIR_FREE(ret->names.names_val);
return -1;
}
return 0;
}
/**************************
* Async Events
**************************/
static int
remoteDispatchDomainEvent (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client ATTRIBUTE_UNUSED,
remote_message_header *req ATTRIBUTE_UNUSED,
void *args ATTRIBUTE_UNUSED,
remote_domain_event_ret *ret ATTRIBUTE_UNUSED)
{
/* This call gets dispatched from a client call.
* This does not make sense, as this should not be intiated
* from the client side in generated code.
*/
return -1;
}
/***************************
* Register / deregister events
***************************/
static int
remoteDispatchDomainEventsRegister (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req ATTRIBUTE_UNUSED,
void *args ATTRIBUTE_UNUSED,
remote_domain_events_register_ret *ret ATTRIBUTE_UNUSED)
{
CHECK_CONN(client);
/* Register event delivery callback */
REMOTE_DEBUG("%s","Registering to relay remote events");
virConnectDomainEventRegister(client->conn, remoteRelayDomainEvent, client, NULL);
if(ret)
ret->cb_registered = 1;
return 0;
}
static int
remoteDispatchDomainEventsDeregister (struct qemud_server *server ATTRIBUTE_UNUSED,
struct qemud_client *client,
remote_message_header *req ATTRIBUTE_UNUSED,
void *args ATTRIBUTE_UNUSED,
remote_domain_events_deregister_ret *ret ATTRIBUTE_UNUSED)
{
CHECK_CONN(client);
/* Deregister event delivery callback */
REMOTE_DEBUG("%s","Deregistering to relay remote events");
virConnectDomainEventDeregister(client->conn, remoteRelayDomainEvent);
if(ret)
ret->cb_registered = 0;
return 0;
}
static void
remoteDispatchDomainEventSend (struct qemud_client *client,
virDomainPtr dom,
int event,
int detail)
{
remote_message_header rep;
XDR xdr;
int len;
remote_domain_event_ret data;
if(!client) {
remoteDispatchError (client, NULL, "%s", _("Invalid Client"));
return;
}
rep.prog = REMOTE_PROGRAM;
rep.vers = REMOTE_PROTOCOL_VERSION;
rep.proc = REMOTE_PROC_DOMAIN_EVENT;
rep.direction = REMOTE_MESSAGE;
rep.serial = 1;
rep.status = REMOTE_OK;
/* Serialise the return header and event. */
xdrmem_create (&xdr, client->buffer, sizeof client->buffer, XDR_ENCODE);
len = 0; /* We'll come back and write this later. */
if (!xdr_int (&xdr, &len)) {
remoteDispatchError (client, NULL, "%s", _("xdr_int failed (1)"));
xdr_destroy (&xdr);
return;
}
if (!xdr_remote_message_header (&xdr, &rep)) {
xdr_destroy (&xdr);
return;
}
/* build return data */
make_nonnull_domain (&data.dom, dom);
data.event = event;
data.detail = detail;
if (!xdr_remote_domain_event_ret(&xdr, &data)) {
remoteDispatchError (client, NULL, "%s", _("serialise return struct"));
xdr_destroy (&xdr);
return;
}
len = xdr_getpos (&xdr);
if (xdr_setpos (&xdr, 0) == 0) {
remoteDispatchError (client, NULL, "%s", _("xdr_setpos failed"));
xdr_destroy (&xdr);
return;
}
if (!xdr_int (&xdr, &len)) {
remoteDispatchError (client, NULL, "%s", _("xdr_int failed (2)"));
xdr_destroy (&xdr);
return;
}
xdr_destroy (&xdr);
/* Send it. */
client->mode = QEMUD_MODE_TX_PACKET;
client->bufferLength = len;
client->bufferOffset = 0;
}
/*----- 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 virStoragePoolPtr
get_nonnull_storage_pool (virConnectPtr conn, remote_nonnull_storage_pool pool)
{
return virGetStoragePool (conn, pool.name, BAD_CAST pool.uuid);
}
static virStorageVolPtr
get_nonnull_storage_vol (virConnectPtr conn, remote_nonnull_storage_vol vol)
{
virStorageVolPtr ret;
ret = virGetStorageVol (conn, vol.pool, vol.name, vol.key);
return ret;
}
/* Make remote_nonnull_domain and remote_nonnull_network. */
static void
make_nonnull_domain (remote_nonnull_domain *dom_dst, virDomainPtr dom_src)
{
dom_dst->id = dom_src->id;
dom_dst->name = strdup (dom_src->name);
memcpy (dom_dst->uuid, dom_src->uuid, VIR_UUID_BUFLEN);
}
static void
make_nonnull_network (remote_nonnull_network *net_dst, virNetworkPtr net_src)
{
net_dst->name = strdup (net_src->name);
memcpy (net_dst->uuid, net_src->uuid, VIR_UUID_BUFLEN);
}
static void
make_nonnull_storage_pool (remote_nonnull_storage_pool *pool_dst, virStoragePoolPtr pool_src)
{
pool_dst->name = strdup (pool_src->name);
memcpy (pool_dst->uuid, pool_src->uuid, VIR_UUID_BUFLEN);
}
static void
make_nonnull_storage_vol (remote_nonnull_storage_vol *vol_dst, virStorageVolPtr vol_src)
{
vol_dst->pool = strdup (vol_src->pool);
vol_dst->name = strdup (vol_src->name);
vol_dst->key = strdup (vol_src->key);
}
static void
make_nonnull_node_device (remote_nonnull_node_device *dev_dst, virNodeDevicePtr dev_src)
{
dev_dst->name = strdup(dev_src->name);
}
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