/* * remote.c: handlers for RPC method calls * * Copyright (C) 2007-2013 Red Hat, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see * . * * Author: Richard W.M. Jones */ #include #include "virerror.h" #if WITH_POLKIT0 # include # include #endif #include "remote.h" #include "libvirtd.h" #include "libvirt_internal.h" #include "datatypes.h" #include "viralloc.h" #include "virlog.h" #include "stream.h" #include "viruuid.h" #include "vircommand.h" #include "intprops.h" #include "virnetserverservice.h" #include "virnetserver.h" #include "virfile.h" #include "virtypedparam.h" #include "virdbus.h" #include "virprocess.h" #include "remote_protocol.h" #include "qemu_protocol.h" #include "lxc_protocol.h" #include "virstring.h" #define VIR_FROM_THIS VIR_FROM_RPC #if SIZEOF_LONG < 8 # define HYPER_TO_TYPE(_type, _to, _from) \ do { \ if ((_from) != (_type)(_from)) { \ virReportError(VIR_ERR_OVERFLOW, \ _("conversion from hyper to %s overflowed"), \ #_type); \ goto cleanup; \ } \ (_to) = (_from); \ } while (0) # define HYPER_TO_LONG(_to, _from) HYPER_TO_TYPE(long, _to, _from) # define HYPER_TO_ULONG(_to, _from) HYPER_TO_TYPE(unsigned long, _to, _from) #else # define HYPER_TO_LONG(_to, _from) (_to) = (_from) # define HYPER_TO_ULONG(_to, _from) (_to) = (_from) #endif static virDomainPtr get_nonnull_domain(virConnectPtr conn, remote_nonnull_domain domain); static virNetworkPtr get_nonnull_network(virConnectPtr conn, remote_nonnull_network network); static virInterfacePtr get_nonnull_interface(virConnectPtr conn, remote_nonnull_interface iface); static virStoragePoolPtr get_nonnull_storage_pool(virConnectPtr conn, remote_nonnull_storage_pool pool); static virStorageVolPtr get_nonnull_storage_vol(virConnectPtr conn, remote_nonnull_storage_vol vol); static virSecretPtr get_nonnull_secret(virConnectPtr conn, remote_nonnull_secret secret); static virNWFilterPtr get_nonnull_nwfilter(virConnectPtr conn, remote_nonnull_nwfilter nwfilter); static virDomainSnapshotPtr get_nonnull_domain_snapshot(virDomainPtr dom, remote_nonnull_domain_snapshot snapshot); static void make_nonnull_domain(remote_nonnull_domain *dom_dst, virDomainPtr dom_src); static void make_nonnull_network(remote_nonnull_network *net_dst, virNetworkPtr net_src); static void make_nonnull_interface(remote_nonnull_interface *interface_dst, virInterfacePtr interface_src); static void make_nonnull_storage_pool(remote_nonnull_storage_pool *pool_dst, virStoragePoolPtr pool_src); static void make_nonnull_storage_vol(remote_nonnull_storage_vol *vol_dst, virStorageVolPtr vol_src); static void make_nonnull_node_device(remote_nonnull_node_device *dev_dst, virNodeDevicePtr dev_src); static void make_nonnull_secret(remote_nonnull_secret *secret_dst, virSecretPtr secret_src); static void make_nonnull_nwfilter(remote_nonnull_nwfilter *net_dst, virNWFilterPtr nwfilter_src); static void make_nonnull_domain_snapshot(remote_nonnull_domain_snapshot *snapshot_dst, virDomainSnapshotPtr snapshot_src); static virTypedParameterPtr remoteDeserializeTypedParameters(remote_typed_param *args_params_val, u_int args_params_len, int limit, int *nparams); static int remoteSerializeDomainDiskErrors(virDomainDiskErrorPtr errors, int nerrors, remote_domain_disk_error **ret_errors_val, u_int *ret_errors_len); #include "remote_dispatch.h" #include "qemu_dispatch.h" #include "lxc_dispatch.h" /* Prototypes */ static void remoteDispatchDomainEventSend(virNetServerClientPtr client, virNetServerProgramPtr program, int procnr, xdrproc_t proc, void *data); static int remoteRelayDomainEventLifecycle(virConnectPtr conn ATTRIBUTE_UNUSED, virDomainPtr dom, int event, int detail, void *opaque) { virNetServerClientPtr client = opaque; remote_domain_event_lifecycle_msg data; if (!client) return -1; VIR_DEBUG("Relaying domain lifecycle event %d %d", event, detail); /* build return data */ memset(&data, 0, sizeof(data)); make_nonnull_domain(&data.dom, dom); data.event = event; data.detail = detail; remoteDispatchDomainEventSend(client, remoteProgram, REMOTE_PROC_DOMAIN_EVENT_LIFECYCLE, (xdrproc_t)xdr_remote_domain_event_lifecycle_msg, &data); return 0; } static int remoteRelayDomainEventReboot(virConnectPtr conn ATTRIBUTE_UNUSED, virDomainPtr dom, void *opaque) { virNetServerClientPtr client = opaque; remote_domain_event_reboot_msg data; if (!client) return -1; VIR_DEBUG("Relaying domain reboot event %s %d", dom->name, dom->id); /* build return data */ memset(&data, 0, sizeof(data)); make_nonnull_domain(&data.dom, dom); remoteDispatchDomainEventSend(client, remoteProgram, REMOTE_PROC_DOMAIN_EVENT_REBOOT, (xdrproc_t)xdr_remote_domain_event_reboot_msg, &data); return 0; } static int remoteRelayDomainEventRTCChange(virConnectPtr conn ATTRIBUTE_UNUSED, virDomainPtr dom, long long offset, void *opaque) { virNetServerClientPtr client = opaque; remote_domain_event_rtc_change_msg data; if (!client) return -1; VIR_DEBUG("Relaying domain rtc change event %s %d %lld", dom->name, dom->id, offset); /* build return data */ memset(&data, 0, sizeof(data)); make_nonnull_domain(&data.dom, dom); data.offset = offset; remoteDispatchDomainEventSend(client, remoteProgram, REMOTE_PROC_DOMAIN_EVENT_RTC_CHANGE, (xdrproc_t)xdr_remote_domain_event_rtc_change_msg, &data); return 0; } static int remoteRelayDomainEventWatchdog(virConnectPtr conn ATTRIBUTE_UNUSED, virDomainPtr dom, int action, void *opaque) { virNetServerClientPtr client = opaque; remote_domain_event_watchdog_msg data; if (!client) return -1; VIR_DEBUG("Relaying domain watchdog event %s %d %d", dom->name, dom->id, action); /* build return data */ memset(&data, 0, sizeof(data)); make_nonnull_domain(&data.dom, dom); data.action = action; remoteDispatchDomainEventSend(client, remoteProgram, REMOTE_PROC_DOMAIN_EVENT_WATCHDOG, (xdrproc_t)xdr_remote_domain_event_watchdog_msg, &data); return 0; } static int remoteRelayDomainEventIOError(virConnectPtr conn ATTRIBUTE_UNUSED, virDomainPtr dom, const char *srcPath, const char *devAlias, int action, void *opaque) { virNetServerClientPtr client = opaque; remote_domain_event_io_error_msg data; if (!client) return -1; VIR_DEBUG("Relaying domain io error %s %d %s %s %d", dom->name, dom->id, srcPath, devAlias, action); /* build return data */ memset(&data, 0, sizeof(data)); if (VIR_STRDUP(data.srcPath, srcPath) < 0 || VIR_STRDUP(data.devAlias, devAlias) < 0) goto error; make_nonnull_domain(&data.dom, dom); data.action = action; remoteDispatchDomainEventSend(client, remoteProgram, REMOTE_PROC_DOMAIN_EVENT_IO_ERROR, (xdrproc_t)xdr_remote_domain_event_io_error_msg, &data); return 0; error: VIR_FREE(data.srcPath); VIR_FREE(data.devAlias); return -1; } static int remoteRelayDomainEventIOErrorReason(virConnectPtr conn ATTRIBUTE_UNUSED, virDomainPtr dom, const char *srcPath, const char *devAlias, int action, const char *reason, void *opaque) { virNetServerClientPtr client = opaque; remote_domain_event_io_error_reason_msg data; if (!client) return -1; VIR_DEBUG("Relaying domain io error %s %d %s %s %d %s", dom->name, dom->id, srcPath, devAlias, action, reason); /* build return data */ memset(&data, 0, sizeof(data)); if (VIR_STRDUP(data.srcPath, srcPath) < 0 || VIR_STRDUP(data.devAlias, devAlias) < 0 || VIR_STRDUP(data.reason, reason) < 0) goto error; data.action = action; make_nonnull_domain(&data.dom, dom); remoteDispatchDomainEventSend(client, remoteProgram, REMOTE_PROC_DOMAIN_EVENT_IO_ERROR_REASON, (xdrproc_t)xdr_remote_domain_event_io_error_reason_msg, &data); return 0; error: VIR_FREE(data.srcPath); VIR_FREE(data.devAlias); VIR_FREE(data.reason); return -1; } static int remoteRelayDomainEventGraphics(virConnectPtr conn ATTRIBUTE_UNUSED, virDomainPtr dom, int phase, virDomainEventGraphicsAddressPtr local, virDomainEventGraphicsAddressPtr remote, const char *authScheme, virDomainEventGraphicsSubjectPtr subject, void *opaque) { virNetServerClientPtr client = opaque; remote_domain_event_graphics_msg data; int i; if (!client) return -1; VIR_DEBUG("Relaying domain graphics event %s %d %d - %d %s %s - %d %s %s - %s", dom->name, dom->id, phase, local->family, local->service, local->node, remote->family, remote->service, remote->node, authScheme); VIR_DEBUG("Subject %d", subject->nidentity); for (i = 0; i < subject->nidentity; i++) { VIR_DEBUG(" %s=%s", subject->identities[i].type, subject->identities[i].name); } /* build return data */ memset(&data, 0, sizeof(data)); data.phase = phase; data.local.family = local->family; data.remote.family = remote->family; if (VIR_STRDUP(data.authScheme, authScheme) < 0 || VIR_STRDUP(data.local.node, local->node) < 0 || VIR_STRDUP(data.local.service, local->service) < 0 || VIR_STRDUP(data.remote.node, remote->node) < 0 || VIR_STRDUP(data.remote.service, remote->service) < 0) goto error; data.subject.subject_len = subject->nidentity; if (VIR_ALLOC_N(data.subject.subject_val, data.subject.subject_len) < 0) { virReportOOMError(); goto error; } for (i = 0; i < data.subject.subject_len; i++) { if (VIR_STRDUP(data.subject.subject_val[i].type, subject->identities[i].type) < 0 || VIR_STRDUP(data.subject.subject_val[i].name, subject->identities[i].name) < 0) goto error; } make_nonnull_domain(&data.dom, dom); remoteDispatchDomainEventSend(client, remoteProgram, REMOTE_PROC_DOMAIN_EVENT_GRAPHICS, (xdrproc_t)xdr_remote_domain_event_graphics_msg, &data); return 0; error: VIR_FREE(data.authScheme); VIR_FREE(data.local.node); VIR_FREE(data.local.service); VIR_FREE(data.remote.node); VIR_FREE(data.remote.service); if (data.subject.subject_val != NULL) { for (i = 0; i < data.subject.subject_len; i++) { VIR_FREE(data.subject.subject_val[i].type); VIR_FREE(data.subject.subject_val[i].name); } VIR_FREE(data.subject.subject_val); } return -1; } static int remoteRelayDomainEventBlockJob(virConnectPtr conn ATTRIBUTE_UNUSED, virDomainPtr dom, const char *path, int type, int status, void *opaque) { virNetServerClientPtr client = opaque; remote_domain_event_block_job_msg data; if (!client) return -1; VIR_DEBUG("Relaying domain block job event %s %d %s %i, %i", dom->name, dom->id, path, type, status); /* build return data */ memset(&data, 0, sizeof(data)); if (VIR_STRDUP(data.path, path) < 0) goto error; data.type = type; data.status = status; make_nonnull_domain(&data.dom, dom); remoteDispatchDomainEventSend(client, remoteProgram, REMOTE_PROC_DOMAIN_EVENT_BLOCK_JOB, (xdrproc_t)xdr_remote_domain_event_block_job_msg, &data); return 0; error: VIR_FREE(data.path); return -1; } static int remoteRelayDomainEventControlError(virConnectPtr conn ATTRIBUTE_UNUSED, virDomainPtr dom, void *opaque) { virNetServerClientPtr client = opaque; remote_domain_event_control_error_msg data; if (!client) return -1; VIR_DEBUG("Relaying domain control error %s %d", dom->name, dom->id); /* build return data */ memset(&data, 0, sizeof(data)); make_nonnull_domain(&data.dom, dom); remoteDispatchDomainEventSend(client, remoteProgram, REMOTE_PROC_DOMAIN_EVENT_CONTROL_ERROR, (xdrproc_t)xdr_remote_domain_event_control_error_msg, &data); return 0; } static int remoteRelayDomainEventDiskChange(virConnectPtr conn ATTRIBUTE_UNUSED, virDomainPtr dom, const char *oldSrcPath, const char *newSrcPath, const char *devAlias, int reason, void *opaque) { virNetServerClientPtr client = opaque; remote_domain_event_disk_change_msg data; char **oldSrcPath_p = NULL, **newSrcPath_p = NULL; if (!client) return -1; VIR_DEBUG("Relaying domain %s %d disk change %s %s %s %d", dom->name, dom->id, oldSrcPath, newSrcPath, devAlias, reason); /* build return data */ memset(&data, 0, sizeof(data)); if (oldSrcPath && ((VIR_ALLOC(oldSrcPath_p) < 0) || VIR_STRDUP(*oldSrcPath_p, oldSrcPath) < 0)) goto mem_error; if (newSrcPath && ((VIR_ALLOC(newSrcPath_p) < 0) || VIR_STRDUP(*newSrcPath_p, newSrcPath) < 0)) goto mem_error; data.oldSrcPath = oldSrcPath_p; data.newSrcPath = newSrcPath_p; if (VIR_STRDUP(data.devAlias, devAlias) < 0) goto error; data.reason = reason; make_nonnull_domain(&data.dom, dom); remoteDispatchDomainEventSend(client, remoteProgram, REMOTE_PROC_DOMAIN_EVENT_DISK_CHANGE, (xdrproc_t)xdr_remote_domain_event_disk_change_msg, &data); return 0; mem_error: virReportOOMError(); error: VIR_FREE(oldSrcPath_p); VIR_FREE(newSrcPath_p); return -1; } static int remoteRelayDomainEventTrayChange(virConnectPtr conn ATTRIBUTE_UNUSED, virDomainPtr dom, const char *devAlias, int reason, void *opaque) { virNetServerClientPtr client = opaque; remote_domain_event_tray_change_msg data; if (!client) return -1; VIR_DEBUG("Relaying domain %s %d tray change devAlias: %s reason: %d", dom->name, dom->id, devAlias, reason); /* build return data */ memset(&data, 0, sizeof(data)); if (VIR_STRDUP(data.devAlias, devAlias) < 0) return -1; data.reason = reason; make_nonnull_domain(&data.dom, dom); remoteDispatchDomainEventSend(client, remoteProgram, REMOTE_PROC_DOMAIN_EVENT_TRAY_CHANGE, (xdrproc_t)xdr_remote_domain_event_tray_change_msg, &data); return 0; } static int remoteRelayDomainEventPMWakeup(virConnectPtr conn ATTRIBUTE_UNUSED, virDomainPtr dom, int reason ATTRIBUTE_UNUSED, void *opaque) { virNetServerClientPtr client = opaque; remote_domain_event_pmwakeup_msg data; if (!client) return -1; VIR_DEBUG("Relaying domain %s %d system pmwakeup", dom->name, dom->id); /* build return data */ memset(&data, 0, sizeof(data)); make_nonnull_domain(&data.dom, dom); remoteDispatchDomainEventSend(client, remoteProgram, REMOTE_PROC_DOMAIN_EVENT_PMWAKEUP, (xdrproc_t)xdr_remote_domain_event_pmwakeup_msg, &data); return 0; } static int remoteRelayDomainEventPMSuspend(virConnectPtr conn ATTRIBUTE_UNUSED, virDomainPtr dom, int reason ATTRIBUTE_UNUSED, void *opaque) { virNetServerClientPtr client = opaque; remote_domain_event_pmsuspend_msg data; if (!client) return -1; VIR_DEBUG("Relaying domain %s %d system pmsuspend", dom->name, dom->id); /* build return data */ memset(&data, 0, sizeof(data)); make_nonnull_domain(&data.dom, dom); remoteDispatchDomainEventSend(client, remoteProgram, REMOTE_PROC_DOMAIN_EVENT_PMSUSPEND, (xdrproc_t)xdr_remote_domain_event_pmsuspend_msg, &data); return 0; } static int remoteRelayDomainEventBalloonChange(virConnectPtr conn ATTRIBUTE_UNUSED, virDomainPtr dom, unsigned long long actual, void *opaque) { virNetServerClientPtr client = opaque; remote_domain_event_balloon_change_msg data; if (!client) return -1; VIR_DEBUG("Relaying domain balloon change event %s %d %lld", dom->name, dom->id, actual); /* build return data */ memset(&data, 0, sizeof(data)); make_nonnull_domain(&data.dom, dom); data.actual = actual; remoteDispatchDomainEventSend(client, remoteProgram, REMOTE_PROC_DOMAIN_EVENT_BALLOON_CHANGE, (xdrproc_t)xdr_remote_domain_event_balloon_change_msg, &data); return 0; } static int remoteRelayDomainEventPMSuspendDisk(virConnectPtr conn ATTRIBUTE_UNUSED, virDomainPtr dom, int reason ATTRIBUTE_UNUSED, void *opaque) { virNetServerClientPtr client = opaque; remote_domain_event_pmsuspend_disk_msg data; if (!client) return -1; VIR_DEBUG("Relaying domain %s %d system pmsuspend-disk", dom->name, dom->id); /* build return data */ memset(&data, 0, sizeof(data)); make_nonnull_domain(&data.dom, dom); remoteDispatchDomainEventSend(client, remoteProgram, REMOTE_PROC_DOMAIN_EVENT_PMSUSPEND_DISK, (xdrproc_t)xdr_remote_domain_event_pmsuspend_disk_msg, &data); return 0; } static virConnectDomainEventGenericCallback domainEventCallbacks[] = { VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventLifecycle), VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventReboot), VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventRTCChange), VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventWatchdog), VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventIOError), VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventGraphics), VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventIOErrorReason), VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventControlError), VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventBlockJob), VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventDiskChange), VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventTrayChange), VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventPMWakeup), VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventPMSuspend), VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventBalloonChange), VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventPMSuspendDisk), }; verify(ARRAY_CARDINALITY(domainEventCallbacks) == VIR_DOMAIN_EVENT_ID_LAST); /* * You must hold lock for at least the client * We don't free stuff here, merely disconnect the client's * network socket & resources. * We keep the libvirt connection open until any async * jobs have finished, then clean it up elsewhere */ void remoteClientFreeFunc(void *data) { struct daemonClientPrivate *priv = data; /* Deregister event delivery callback */ if (priv->conn) { int i; for (i = 0; i < VIR_DOMAIN_EVENT_ID_LAST; i++) { if (priv->domainEventCallbackID[i] != -1) { VIR_DEBUG("Deregistering to relay remote events %d", i); virConnectDomainEventDeregisterAny(priv->conn, priv->domainEventCallbackID[i]); } priv->domainEventCallbackID[i] = -1; } virConnectClose(priv->conn); } VIR_FREE(priv); } static void remoteClientCloseFunc(virNetServerClientPtr client) { struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); daemonRemoveAllClientStreams(priv->streams); } void *remoteClientInitHook(virNetServerClientPtr client, void *opaque ATTRIBUTE_UNUSED) { struct daemonClientPrivate *priv; int i; if (VIR_ALLOC(priv) < 0) { virReportOOMError(); return NULL; } if (virMutexInit(&priv->lock) < 0) { VIR_FREE(priv); virReportOOMError(); return NULL; } for (i = 0; i < VIR_DOMAIN_EVENT_ID_LAST; i++) priv->domainEventCallbackID[i] = -1; virNetServerClientSetCloseHook(client, remoteClientCloseFunc); return priv; } /*----- Functions. -----*/ static int remoteDispatchConnectOpen(virNetServerPtr server, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, struct remote_connect_open_args *args) { const char *name; unsigned int flags; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); int rv = -1; VIR_DEBUG("priv=%p conn=%p", priv, priv->conn); virMutexLock(&priv->lock); /* Already opened? */ if (priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection already open")); goto cleanup; } if (virNetServerKeepAliveRequired(server) && !priv->keepalive_supported) { virReportError(VIR_ERR_OPERATION_FAILED, "%s", _("keepalive support is required to connect")); goto cleanup; } name = args->name ? *args->name : NULL; /* If this connection arrived on a readonly socket, force * the connection to be readonly. */ flags = args->flags; if (virNetServerClientGetReadonly(client)) flags |= VIR_CONNECT_RO; priv->conn = flags & VIR_CONNECT_RO ? virConnectOpenReadOnly(name) : virConnectOpen(name); if (priv->conn == NULL) goto cleanup; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); virMutexUnlock(&priv->lock); return rv; } static int remoteDispatchConnectClose(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED) { virNetServerClientDelayedClose(client); return 0; } static int remoteDispatchDomainGetSchedulerType(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_scheduler_type_args *args, remote_domain_get_scheduler_type_ret *ret) { virDomainPtr dom = NULL; char *type; int nparams; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (!(type = virDomainGetSchedulerType(dom, &nparams))) goto cleanup; ret->type = type; ret->nparams = nparams; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (dom) virDomainFree(dom); return rv; } /* Helper to serialize typed parameters. This also filters out any string * parameters that must not be returned to older clients. */ static int remoteSerializeTypedParameters(virTypedParameterPtr params, int nparams, remote_typed_param **ret_params_val, u_int *ret_params_len, unsigned int flags) { int i; int j; int rv = -1; remote_typed_param *val; *ret_params_len = nparams; if (VIR_ALLOC_N(val, nparams) < 0) { virReportOOMError(); goto cleanup; } for (i = 0, j = 0; i < nparams; ++i) { /* virDomainGetCPUStats can return a sparse array; also, we * can't pass back strings to older clients. */ if (!params[i].type || (!(flags & VIR_TYPED_PARAM_STRING_OKAY) && params[i].type == VIR_TYPED_PARAM_STRING)) { --*ret_params_len; continue; } /* remoteDispatchClientRequest will free this: */ if (VIR_STRDUP(val[j].field, params[i].field) < 0) goto cleanup; val[j].value.type = params[i].type; switch (params[i].type) { case VIR_TYPED_PARAM_INT: val[j].value.remote_typed_param_value_u.i = params[i].value.i; break; case VIR_TYPED_PARAM_UINT: val[j].value.remote_typed_param_value_u.ui = params[i].value.ui; break; case VIR_TYPED_PARAM_LLONG: val[j].value.remote_typed_param_value_u.l = params[i].value.l; break; case VIR_TYPED_PARAM_ULLONG: val[j].value.remote_typed_param_value_u.ul = params[i].value.ul; break; case VIR_TYPED_PARAM_DOUBLE: val[j].value.remote_typed_param_value_u.d = params[i].value.d; break; case VIR_TYPED_PARAM_BOOLEAN: val[j].value.remote_typed_param_value_u.b = params[i].value.b; break; case VIR_TYPED_PARAM_STRING: if (VIR_STRDUP(val[j].value.remote_typed_param_value_u.s, params[i].value.s) < 0) goto cleanup; break; default: virReportError(VIR_ERR_RPC, _("unknown parameter type: %d"), params[i].type); goto cleanup; } j++; } *ret_params_val = val; val = NULL; rv = 0; cleanup: if (val) { for (i = 0; i < nparams; i++) { VIR_FREE(val[i].field); if (val[i].value.type == VIR_TYPED_PARAM_STRING) VIR_FREE(val[i].value.remote_typed_param_value_u.s); } VIR_FREE(val); } return rv; } /* Helper to deserialize typed parameters. */ static virTypedParameterPtr remoteDeserializeTypedParameters(remote_typed_param *args_params_val, u_int args_params_len, int limit, int *nparams) { int i = 0; int rv = -1; virTypedParameterPtr params = NULL; /* Check the length of the returned list carefully. */ if (args_params_len > limit) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large")); goto cleanup; } if (VIR_ALLOC_N(params, args_params_len) < 0) { virReportOOMError(); goto cleanup; } *nparams = args_params_len; /* Deserialise the result. */ for (i = 0; i < args_params_len; ++i) { if (virStrcpyStatic(params[i].field, args_params_val[i].field) == NULL) { virReportError(VIR_ERR_INTERNAL_ERROR, _("Parameter %s too big for destination"), args_params_val[i].field); goto cleanup; } params[i].type = args_params_val[i].value.type; switch (params[i].type) { case VIR_TYPED_PARAM_INT: params[i].value.i = args_params_val[i].value.remote_typed_param_value_u.i; break; case VIR_TYPED_PARAM_UINT: params[i].value.ui = args_params_val[i].value.remote_typed_param_value_u.ui; break; case VIR_TYPED_PARAM_LLONG: params[i].value.l = args_params_val[i].value.remote_typed_param_value_u.l; break; case VIR_TYPED_PARAM_ULLONG: params[i].value.ul = args_params_val[i].value.remote_typed_param_value_u.ul; break; case VIR_TYPED_PARAM_DOUBLE: params[i].value.d = args_params_val[i].value.remote_typed_param_value_u.d; break; case VIR_TYPED_PARAM_BOOLEAN: params[i].value.b = args_params_val[i].value.remote_typed_param_value_u.b; break; case VIR_TYPED_PARAM_STRING: if (VIR_STRDUP(params[i].value.s, args_params_val[i].value.remote_typed_param_value_u.s) < 0) goto cleanup; break; default: virReportError(VIR_ERR_INTERNAL_ERROR, _("unknown parameter type: %d"), params[i].type); goto cleanup; } } rv = 0; cleanup: if (rv < 0) { virTypedParamsFree(params, i); params = NULL; } return params; } static int remoteDispatchDomainGetSchedulerParameters(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_scheduler_parameters_args *args, remote_domain_get_scheduler_parameters_ret *ret) { virDomainPtr dom = NULL; virTypedParameterPtr params = NULL; int nparams = 0; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (args->nparams > REMOTE_DOMAIN_SCHEDULER_PARAMETERS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large")); goto cleanup; } if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0) goto no_memory; nparams = args->nparams; if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (virDomainGetSchedulerParameters(dom, params, &nparams) < 0) goto cleanup; if (remoteSerializeTypedParameters(params, nparams, &ret->params.params_val, &ret->params.params_len, 0) < 0) goto cleanup; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); virTypedParamsFree(params, nparams); if (dom) virDomainFree(dom); return rv; no_memory: virReportOOMError(); goto cleanup; } static int remoteDispatchConnectListAllDomains(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_connect_list_all_domains_args *args, remote_connect_list_all_domains_ret *ret) { virDomainPtr *doms = NULL; int ndomains = 0; int i; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if ((ndomains = virConnectListAllDomains(priv->conn, args->need_results ? &doms : NULL, args->flags)) < 0) goto cleanup; if (doms && ndomains) { if (VIR_ALLOC_N(ret->domains.domains_val, ndomains) < 0) { virReportOOMError(); goto cleanup; } ret->domains.domains_len = ndomains; for (i = 0; i < ndomains; i++) make_nonnull_domain(ret->domains.domains_val + i, doms[i]); } else { ret->domains.domains_len = 0; ret->domains.domains_val = NULL; } ret->ret = ndomains; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (doms) { for (i = 0; i < ndomains; i++) virDomainFree(doms[i]); VIR_FREE(doms); } return rv; } static int remoteDispatchDomainGetSchedulerParametersFlags(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_scheduler_parameters_flags_args *args, remote_domain_get_scheduler_parameters_flags_ret *ret) { virDomainPtr dom = NULL; virTypedParameterPtr params = NULL; int nparams = 0; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (args->nparams > REMOTE_DOMAIN_SCHEDULER_PARAMETERS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large")); goto cleanup; } if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0) goto no_memory; nparams = args->nparams; if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (virDomainGetSchedulerParametersFlags(dom, params, &nparams, args->flags) < 0) goto cleanup; if (remoteSerializeTypedParameters(params, nparams, &ret->params.params_val, &ret->params.params_len, args->flags) < 0) goto cleanup; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); virTypedParamsFree(params, nparams); if (dom) virDomainFree(dom); return rv; no_memory: virReportOOMError(); goto cleanup; } static int remoteDispatchDomainMemoryStats(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_memory_stats_args *args, remote_domain_memory_stats_ret *ret) { virDomainPtr dom = NULL; struct _virDomainMemoryStat *stats = NULL; int nr_stats, i; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (args->maxStats > REMOTE_DOMAIN_MEMORY_STATS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("maxStats > REMOTE_DOMAIN_MEMORY_STATS_MAX")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; /* Allocate stats array for making dispatch call */ if (VIR_ALLOC_N(stats, args->maxStats) < 0) { virReportOOMError(); goto cleanup; } nr_stats = virDomainMemoryStats(dom, stats, args->maxStats, args->flags); if (nr_stats < 0) goto cleanup; /* Allocate return buffer */ if (VIR_ALLOC_N(ret->stats.stats_val, args->maxStats) < 0) { virReportOOMError(); goto cleanup; } /* Copy the stats into the xdr return structure */ for (i = 0; i < nr_stats; i++) { ret->stats.stats_val[i].tag = stats[i].tag; ret->stats.stats_val[i].val = stats[i].val; } ret->stats.stats_len = nr_stats; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (dom) virDomainFree(dom); VIR_FREE(stats); return rv; } static int remoteDispatchDomainBlockPeek(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_block_peek_args *args, remote_domain_block_peek_ret *ret) { virDomainPtr dom = NULL; char *path; unsigned long long offset; size_t size; unsigned int flags; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; path = args->path; offset = args->offset; size = args->size; flags = args->flags; if (size > REMOTE_DOMAIN_BLOCK_PEEK_BUFFER_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("size > maximum buffer size")); goto cleanup; } ret->buffer.buffer_len = size; if (VIR_ALLOC_N(ret->buffer.buffer_val, size) < 0) { virReportOOMError(); goto cleanup; } if (virDomainBlockPeek(dom, path, offset, size, ret->buffer.buffer_val, flags) < 0) goto cleanup; rv = 0; cleanup: if (rv < 0) { virNetMessageSaveError(rerr); VIR_FREE(ret->buffer.buffer_val); } if (dom) virDomainFree(dom); return rv; } static int remoteDispatchDomainBlockStatsFlags(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_block_stats_flags_args *args, remote_domain_block_stats_flags_ret *ret) { virTypedParameterPtr params = NULL; virDomainPtr dom = NULL; const char *path = args->path; int nparams = 0; unsigned int flags; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; flags = args->flags; if (args->nparams > REMOTE_DOMAIN_BLOCK_STATS_PARAMETERS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large")); goto cleanup; } if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0) { virReportOOMError(); goto cleanup; } nparams = args->nparams; if (virDomainBlockStatsFlags(dom, path, params, &nparams, flags) < 0) goto cleanup; /* In this case, we need to send back the number of parameters * supported */ if (args->nparams == 0) { ret->nparams = nparams; goto success; } /* Serialise the block stats. */ if (remoteSerializeTypedParameters(params, nparams, &ret->params.params_val, &ret->params.params_len, args->flags) < 0) goto cleanup; success: rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); virTypedParamsFree(params, nparams); if (dom) virDomainFree(dom); return rv; } static int remoteDispatchDomainMemoryPeek(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_memory_peek_args *args, remote_domain_memory_peek_ret *ret) { virDomainPtr dom = NULL; unsigned long long offset; size_t size; unsigned int flags; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; offset = args->offset; size = args->size; flags = args->flags; if (size > REMOTE_DOMAIN_MEMORY_PEEK_BUFFER_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("size > maximum buffer size")); goto cleanup; } ret->buffer.buffer_len = size; if (VIR_ALLOC_N(ret->buffer.buffer_val, size) < 0) { virReportOOMError(); goto cleanup; } if (virDomainMemoryPeek(dom, offset, size, ret->buffer.buffer_val, flags) < 0) goto cleanup; rv = 0; cleanup: if (rv < 0) { virNetMessageSaveError(rerr); VIR_FREE(ret->buffer.buffer_val); } if (dom) virDomainFree(dom); return rv; } static int remoteDispatchDomainGetSecurityLabel(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_security_label_args *args, remote_domain_get_security_label_ret *ret) { virDomainPtr dom = NULL; virSecurityLabelPtr seclabel = NULL; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (VIR_ALLOC(seclabel) < 0) { virReportOOMError(); goto cleanup; } if (virDomainGetSecurityLabel(dom, seclabel) < 0) goto cleanup; ret->label.label_len = strlen(seclabel->label) + 1; if (VIR_ALLOC_N(ret->label.label_val, ret->label.label_len) < 0) { virReportOOMError(); goto cleanup; } strcpy(ret->label.label_val, seclabel->label); ret->enforcing = seclabel->enforcing; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (dom) virDomainFree(dom); VIR_FREE(seclabel); return rv; } static int remoteDispatchDomainGetSecurityLabelList(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_security_label_list_args *args, remote_domain_get_security_label_list_ret *ret) { virDomainPtr dom = NULL; virSecurityLabelPtr seclabels = NULL; int i, len, rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if ((len = virDomainGetSecurityLabelList(dom, &seclabels)) < 0) { ret->ret = len; ret->labels.labels_len = 0; ret->labels.labels_val = NULL; goto done; } if (VIR_ALLOC_N(ret->labels.labels_val, len) < 0) { virReportOOMError(); goto cleanup; } for (i = 0; i < len; i++) { size_t label_len = strlen(seclabels[i].label) + 1; remote_domain_get_security_label_ret *cur = &ret->labels.labels_val[i]; if (VIR_ALLOC_N(cur->label.label_val, label_len) < 0) { virReportOOMError(); goto cleanup; } if (virStrcpy(cur->label.label_val, seclabels[i].label, label_len) == NULL) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("failed to copy security label")); goto cleanup; } cur->label.label_len = label_len; cur->enforcing = seclabels[i].enforcing; } ret->labels.labels_len = ret->ret = len; done: rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (dom) virDomainFree(dom); VIR_FREE(seclabels); return rv; } static int remoteDispatchNodeGetSecurityModel(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_node_get_security_model_ret *ret) { virSecurityModel secmodel; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } memset(&secmodel, 0, sizeof(secmodel)); if (virNodeGetSecurityModel(priv->conn, &secmodel) < 0) goto cleanup; ret->model.model_len = strlen(secmodel.model) + 1; if (VIR_ALLOC_N(ret->model.model_val, ret->model.model_len) < 0) { virReportOOMError(); goto cleanup; } strcpy(ret->model.model_val, secmodel.model); ret->doi.doi_len = strlen(secmodel.doi) + 1; if (VIR_ALLOC_N(ret->doi.doi_val, ret->doi.doi_len) < 0) { virReportOOMError(); goto cleanup; } strcpy(ret->doi.doi_val, secmodel.doi); rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); return rv; } static int remoteDispatchDomainGetVcpuPinInfo(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_vcpu_pin_info_args *args, remote_domain_get_vcpu_pin_info_ret *ret) { virDomainPtr dom = NULL; unsigned char *cpumaps = NULL; int num; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (args->ncpumaps > REMOTE_VCPUINFO_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("ncpumaps > REMOTE_VCPUINFO_MAX")); goto cleanup; } if (INT_MULTIPLY_OVERFLOW(args->ncpumaps, args->maplen) || args->ncpumaps * args->maplen > REMOTE_CPUMAPS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("maxinfo * maplen > REMOTE_CPUMAPS_MAX")); goto cleanup; } /* Allocate buffers to take the results. */ if (args->maplen > 0 && VIR_ALLOC_N(cpumaps, args->ncpumaps * args->maplen) < 0) goto no_memory; if ((num = virDomainGetVcpuPinInfo(dom, args->ncpumaps, cpumaps, args->maplen, args->flags)) < 0) goto cleanup; ret->num = num; /* Don't need to allocate/copy the cpumaps if we make the reasonable * assumption that unsigned char and char are the same size. * Note that remoteDispatchClientRequest will free. */ ret->cpumaps.cpumaps_len = args->ncpumaps * args->maplen; ret->cpumaps.cpumaps_val = (char *) cpumaps; cpumaps = NULL; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); VIR_FREE(cpumaps); if (dom) virDomainFree(dom); return rv; no_memory: virReportOOMError(); goto cleanup; } static int remoteDispatchDomainPinEmulator(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_pin_emulator_args *args) { int rv = -1; virDomainPtr dom = NULL; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (virDomainPinEmulator(dom, (unsigned char *) args->cpumap.cpumap_val, args->cpumap.cpumap_len, args->flags) < 0) goto cleanup; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (dom) virDomainFree(dom); return rv; } static int remoteDispatchDomainGetEmulatorPinInfo(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_emulator_pin_info_args *args, remote_domain_get_emulator_pin_info_ret *ret) { virDomainPtr dom = NULL; unsigned char *cpumaps = NULL; int r; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; /* Allocate buffers to take the results */ if (args->maplen > 0 && VIR_ALLOC_N(cpumaps, args->maplen) < 0) goto no_memory; if ((r = virDomainGetEmulatorPinInfo(dom, cpumaps, args->maplen, args->flags)) < 0) goto cleanup; ret->ret = r; ret->cpumaps.cpumaps_len = args->maplen; ret->cpumaps.cpumaps_val = (char *) cpumaps; cpumaps = NULL; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); VIR_FREE(cpumaps); if (dom) virDomainFree(dom); return rv; no_memory: virReportOOMError(); goto cleanup; } static int remoteDispatchDomainGetVcpus(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_vcpus_args *args, remote_domain_get_vcpus_ret *ret) { virDomainPtr dom = NULL; virVcpuInfoPtr info = NULL; unsigned char *cpumaps = NULL; int info_len, i; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (args->maxinfo > REMOTE_VCPUINFO_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("maxinfo > REMOTE_VCPUINFO_MAX")); goto cleanup; } if (INT_MULTIPLY_OVERFLOW(args->maxinfo, args->maplen) || args->maxinfo * args->maplen > REMOTE_CPUMAPS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("maxinfo * maplen > REMOTE_CPUMAPS_MAX")); goto cleanup; } /* Allocate buffers to take the results. */ if (VIR_ALLOC_N(info, args->maxinfo) < 0) goto no_memory; if (args->maplen > 0 && VIR_ALLOC_N(cpumaps, args->maxinfo * args->maplen) < 0) goto no_memory; if ((info_len = virDomainGetVcpus(dom, info, args->maxinfo, cpumaps, args->maplen)) < 0) goto cleanup; /* Allocate the return buffer for info. */ ret->info.info_len = info_len; if (VIR_ALLOC_N(ret->info.info_val, info_len) < 0) goto no_memory; for (i = 0; i < info_len; ++i) { ret->info.info_val[i].number = info[i].number; ret->info.info_val[i].state = info[i].state; ret->info.info_val[i].cpu_time = info[i].cpuTime; ret->info.info_val[i].cpu = info[i].cpu; } /* Don't need to allocate/copy the cpumaps if we make the reasonable * assumption that unsigned char and char are the same size. * Note that remoteDispatchClientRequest will free. */ ret->cpumaps.cpumaps_len = args->maxinfo * args->maplen; ret->cpumaps.cpumaps_val = (char *) cpumaps; cpumaps = NULL; rv = 0; cleanup: if (rv < 0) { virNetMessageSaveError(rerr); VIR_FREE(ret->info.info_val); } VIR_FREE(cpumaps); VIR_FREE(info); if (dom) virDomainFree(dom); return rv; no_memory: virReportOOMError(); goto cleanup; } static int remoteDispatchDomainMigratePrepare(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_migrate_prepare_args *args, remote_domain_migrate_prepare_ret *ret) { char *cookie = NULL; int cookielen = 0; char *uri_in; char **uri_out; char *dname; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } uri_in = args->uri_in == NULL ? NULL : *args->uri_in; dname = args->dname == NULL ? NULL : *args->dname; /* Wacky world of XDR ... */ if (VIR_ALLOC(uri_out) < 0) { virReportOOMError(); goto cleanup; } if (virDomainMigratePrepare(priv->conn, &cookie, &cookielen, uri_in, uri_out, args->flags, dname, args->resource) < 0) goto cleanup; /* remoteDispatchClientRequest will free cookie, uri_out and * the string if there is one. */ ret->cookie.cookie_len = cookielen; ret->cookie.cookie_val = cookie; if (*uri_out == NULL) { ret->uri_out = NULL; } else { ret->uri_out = uri_out; uri_out = NULL; } rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); VIR_FREE(uri_out); return rv; } static int remoteDispatchDomainMigratePrepare2(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_migrate_prepare2_args *args, remote_domain_migrate_prepare2_ret *ret) { char *cookie = NULL; int cookielen = 0; char *uri_in; char **uri_out; char *dname; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } uri_in = args->uri_in == NULL ? NULL : *args->uri_in; dname = args->dname == NULL ? NULL : *args->dname; /* Wacky world of XDR ... */ if (VIR_ALLOC(uri_out) < 0) { virReportOOMError(); goto cleanup; } if (virDomainMigratePrepare2(priv->conn, &cookie, &cookielen, uri_in, uri_out, args->flags, dname, args->resource, args->dom_xml) < 0) goto cleanup; /* remoteDispatchClientRequest will free cookie, uri_out and * the string if there is one. */ ret->cookie.cookie_len = cookielen; ret->cookie.cookie_val = cookie; ret->uri_out = *uri_out == NULL ? NULL : uri_out; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); return rv; } static int remoteDispatchDomainGetMemoryParameters(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_memory_parameters_args *args, remote_domain_get_memory_parameters_ret *ret) { virDomainPtr dom = NULL; virTypedParameterPtr params = NULL; int nparams = 0; unsigned int flags; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } flags = args->flags; if (args->nparams > REMOTE_DOMAIN_MEMORY_PARAMETERS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large")); goto cleanup; } if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0) { virReportOOMError(); goto cleanup; } nparams = args->nparams; if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (virDomainGetMemoryParameters(dom, params, &nparams, flags) < 0) goto cleanup; /* In this case, we need to send back the number of parameters * supported */ if (args->nparams == 0) { ret->nparams = nparams; goto success; } if (remoteSerializeTypedParameters(params, nparams, &ret->params.params_val, &ret->params.params_len, args->flags) < 0) goto cleanup; success: rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); virTypedParamsFree(params, nparams); if (dom) virDomainFree(dom); return rv; } static int remoteDispatchDomainGetNumaParameters(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_numa_parameters_args *args, remote_domain_get_numa_parameters_ret *ret) { virDomainPtr dom = NULL; virTypedParameterPtr params = NULL; int nparams = 0; unsigned int flags; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } flags = args->flags; if (args->nparams > REMOTE_DOMAIN_NUMA_PARAMETERS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large")); goto cleanup; } if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0) { virReportOOMError(); goto cleanup; } nparams = args->nparams; if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (virDomainGetNumaParameters(dom, params, &nparams, flags) < 0) goto cleanup; /* In this case, we need to send back the number of parameters * supported */ if (args->nparams == 0) { ret->nparams = nparams; goto success; } if (remoteSerializeTypedParameters(params, nparams, &ret->params.params_val, &ret->params.params_len, flags) < 0) goto cleanup; success: rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); virTypedParamsFree(params, nparams); if (dom) virDomainFree(dom); return rv; } static int remoteDispatchDomainGetBlkioParameters(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_blkio_parameters_args *args, remote_domain_get_blkio_parameters_ret *ret) { virDomainPtr dom = NULL; virTypedParameterPtr params = NULL; int nparams = 0; unsigned int flags; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } flags = args->flags; if (args->nparams > REMOTE_DOMAIN_BLKIO_PARAMETERS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large")); goto cleanup; } if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0) { virReportOOMError(); goto cleanup; } nparams = args->nparams; if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (virDomainGetBlkioParameters(dom, params, &nparams, flags) < 0) goto cleanup; /* In this case, we need to send back the number of parameters * supported */ if (args->nparams == 0) { ret->nparams = nparams; goto success; } if (remoteSerializeTypedParameters(params, nparams, &ret->params.params_val, &ret->params.params_len, args->flags) < 0) goto cleanup; success: rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); virTypedParamsFree(params, nparams); if (dom) virDomainFree(dom); return rv; } static int remoteDispatchNodeGetCPUStats(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_node_get_cpu_stats_args *args, remote_node_get_cpu_stats_ret *ret) { virNodeCPUStatsPtr params = NULL; int i; int cpuNum = args->cpuNum; int nparams = 0; unsigned int flags; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } flags = args->flags; if (args->nparams > REMOTE_NODE_CPU_STATS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large")); goto cleanup; } if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0) { virReportOOMError(); goto cleanup; } nparams = args->nparams; if (virNodeGetCPUStats(priv->conn, cpuNum, params, &nparams, flags) < 0) goto cleanup; /* In this case, we need to send back the number of stats * supported */ if (args->nparams == 0) { ret->nparams = nparams; goto success; } /* Serialise the memory parameters. */ ret->params.params_len = nparams; if (VIR_ALLOC_N(ret->params.params_val, nparams) < 0) goto no_memory; for (i = 0; i < nparams; ++i) { /* remoteDispatchClientRequest will free this: */ if (VIR_STRDUP(ret->params.params_val[i].field, params[i].field) < 0) goto cleanup; ret->params.params_val[i].value = params[i].value; } success: rv = 0; cleanup: if (rv < 0) { virNetMessageSaveError(rerr); if (ret->params.params_val) { for (i = 0; i < nparams; i++) VIR_FREE(ret->params.params_val[i].field); VIR_FREE(ret->params.params_val); } } VIR_FREE(params); return rv; no_memory: virReportOOMError(); goto cleanup; } static int remoteDispatchNodeGetMemoryStats(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_node_get_memory_stats_args *args, remote_node_get_memory_stats_ret *ret) { virNodeMemoryStatsPtr params = NULL; int i; int cellNum = args->cellNum; int nparams = 0; unsigned int flags; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } flags = args->flags; if (args->nparams > REMOTE_NODE_MEMORY_STATS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large")); goto cleanup; } if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0) { virReportOOMError(); goto cleanup; } nparams = args->nparams; if (virNodeGetMemoryStats(priv->conn, cellNum, params, &nparams, flags) < 0) goto cleanup; /* In this case, we need to send back the number of parameters * supported */ if (args->nparams == 0) { ret->nparams = nparams; goto success; } /* Serialise the memory parameters. */ ret->params.params_len = nparams; if (VIR_ALLOC_N(ret->params.params_val, nparams) < 0) goto no_memory; for (i = 0; i < nparams; ++i) { /* remoteDispatchClientRequest will free this: */ if (VIR_STRDUP(ret->params.params_val[i].field, params[i].field) < 0) goto cleanup; ret->params.params_val[i].value = params[i].value; } success: rv = 0; cleanup: if (rv < 0) { virNetMessageSaveError(rerr); if (ret->params.params_val) { for (i = 0; i < nparams; i++) VIR_FREE(ret->params.params_val[i].field); VIR_FREE(ret->params.params_val); } } VIR_FREE(params); return rv; no_memory: virReportOOMError(); goto cleanup; } static int remoteDispatchDomainGetBlockJobInfo(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_block_job_info_args *args, remote_domain_get_block_job_info_ret *ret) { virDomainPtr dom = NULL; virDomainBlockJobInfo tmp; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; rv = virDomainGetBlockJobInfo(dom, args->path, &tmp, args->flags); if (rv <= 0) goto cleanup; ret->type = tmp.type; ret->bandwidth = tmp.bandwidth; ret->cur = tmp.cur; ret->end = tmp.end; ret->found = 1; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (dom) virDomainFree(dom); return rv; } static int remoteDispatchDomainGetBlockIoTune(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr hdr ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_block_io_tune_args *args, remote_domain_get_block_io_tune_ret *ret) { virDomainPtr dom = NULL; int rv = -1; virTypedParameterPtr params = NULL; int nparams = 0; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (args->nparams > REMOTE_DOMAIN_BLOCK_IO_TUNE_PARAMETERS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large")); goto cleanup; } if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0) { virReportOOMError(); goto cleanup; } nparams = args->nparams; if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (virDomainGetBlockIoTune(dom, args->disk ? *args->disk : NULL, params, &nparams, args->flags) < 0) goto cleanup; /* In this case, we need to send back the number of parameters * supported */ if (args->nparams == 0) { ret->nparams = nparams; goto success; } /* Serialise the block I/O tuning parameters. */ if (remoteSerializeTypedParameters(params, nparams, &ret->params.params_val, &ret->params.params_len, args->flags) < 0) goto cleanup; success: rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); virTypedParamsFree(params, nparams); if (dom) virDomainFree(dom); return rv; } /*-------------------------------------------------------------*/ static int remoteDispatchAuthList(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_auth_list_ret *ret) { int rv = -1; int auth = virNetServerClientGetAuth(client); uid_t callerUid; gid_t callerGid; pid_t callerPid; unsigned long long timestamp; /* If the client is root then we want to bypass the * policykit auth to avoid root being denied if * some piece of polkit isn't present/running */ if (auth == VIR_NET_SERVER_SERVICE_AUTH_POLKIT) { if (virNetServerClientGetUNIXIdentity(client, &callerUid, &callerGid, &callerPid, ×tamp) < 0) { /* Don't do anything on error - it'll be validated at next * phase of auth anyway */ virResetLastError(); } else if (callerUid == 0) { char *ident; if (virAsprintf(&ident, "pid:%lld,uid:%d", (long long) callerPid, (int) callerUid) < 0) { virReportOOMError(); goto cleanup; } VIR_INFO("Bypass polkit auth for privileged client %s", ident); virNetServerClientSetAuth(client, 0); auth = VIR_NET_SERVER_SERVICE_AUTH_NONE; VIR_FREE(ident); } } ret->types.types_len = 1; if (VIR_ALLOC_N(ret->types.types_val, ret->types.types_len) < 0) { virReportOOMError(); goto cleanup; } switch (auth) { case VIR_NET_SERVER_SERVICE_AUTH_NONE: ret->types.types_val[0] = REMOTE_AUTH_NONE; break; case VIR_NET_SERVER_SERVICE_AUTH_POLKIT: ret->types.types_val[0] = REMOTE_AUTH_POLKIT; break; case VIR_NET_SERVER_SERVICE_AUTH_SASL: ret->types.types_val[0] = REMOTE_AUTH_SASL; break; default: ret->types.types_val[0] = REMOTE_AUTH_NONE; } rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); return rv; } #ifdef WITH_SASL /* * Initializes the SASL session in prepare for authentication * and gives the client a list of allowed mechanisms to choose */ static int remoteDispatchAuthSaslInit(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_auth_sasl_init_ret *ret) { virNetSASLSessionPtr sasl = NULL; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); virMutexLock(&priv->lock); VIR_DEBUG("Initialize SASL auth %d", virNetServerClientGetFD(client)); if (virNetServerClientGetAuth(client) != VIR_NET_SERVER_SERVICE_AUTH_SASL || priv->sasl != NULL) { VIR_ERROR(_("client tried invalid SASL init request")); goto authfail; } sasl = virNetSASLSessionNewServer(saslCtxt, "libvirt", virNetServerClientLocalAddrString(client), virNetServerClientRemoteAddrString(client)); if (!sasl) goto authfail; # if WITH_GNUTLS /* Inform SASL that we've got an external SSF layer from TLS */ if (virNetServerClientHasTLSSession(client)) { int ssf; if ((ssf = virNetServerClientGetTLSKeySize(client)) < 0) goto authfail; ssf *= 8; /* key size is bytes, sasl wants bits */ VIR_DEBUG("Setting external SSF %d", ssf); if (virNetSASLSessionExtKeySize(sasl, ssf) < 0) goto authfail; } # endif if (virNetServerClientIsSecure(client)) /* If we've got TLS or UNIX domain sock, we don't care about SSF */ virNetSASLSessionSecProps(sasl, 0, 0, true); else /* Plain TCP, better get an SSF layer */ virNetSASLSessionSecProps(sasl, 56, /* Good enough to require kerberos */ 100000, /* Arbitrary big number */ false); /* No anonymous */ if (!(ret->mechlist = virNetSASLSessionListMechanisms(sasl))) goto authfail; VIR_DEBUG("Available mechanisms for client: '%s'", ret->mechlist); priv->sasl = sasl; virMutexUnlock(&priv->lock); return 0; authfail: virResetLastError(); virReportError(VIR_ERR_AUTH_FAILED, "%s", _("authentication failed")); virNetMessageSaveError(rerr); PROBE(RPC_SERVER_CLIENT_AUTH_FAIL, "client=%p auth=%d", client, REMOTE_AUTH_SASL); virObjectUnref(sasl); virMutexUnlock(&priv->lock); return -1; } /* * Returns 0 if ok, -1 on error, -2 if rejected */ static int remoteSASLFinish(virNetServerClientPtr client) { const char *identity; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); int ssf; /* TLS or UNIX domain sockets trivially OK */ if (!virNetServerClientIsSecure(client)) { if ((ssf = virNetSASLSessionGetKeySize(priv->sasl)) < 0) goto error; VIR_DEBUG("negotiated an SSF of %d", ssf); if (ssf < 56) { /* 56 is good for Kerberos */ VIR_ERROR(_("negotiated SSF %d was not strong enough"), ssf); return -2; } } if (!(identity = virNetSASLSessionGetIdentity(priv->sasl))) return -2; if (!virNetSASLContextCheckIdentity(saslCtxt, identity)) return -2; virNetServerClientSetAuth(client, 0); virNetServerClientSetSASLSession(client, priv->sasl); VIR_DEBUG("Authentication successful %d", virNetServerClientGetFD(client)); PROBE(RPC_SERVER_CLIENT_AUTH_ALLOW, "client=%p auth=%d identity=%s", client, REMOTE_AUTH_SASL, identity); virObjectUnref(priv->sasl); priv->sasl = NULL; return 0; error: return -1; } /* * This starts the SASL authentication negotiation. */ static int remoteDispatchAuthSaslStart(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_auth_sasl_start_args *args, remote_auth_sasl_start_ret *ret) { const char *serverout; size_t serveroutlen; int err; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); const char *identity; virMutexLock(&priv->lock); VIR_DEBUG("Start SASL auth %d", virNetServerClientGetFD(client)); if (virNetServerClientGetAuth(client) != VIR_NET_SERVER_SERVICE_AUTH_SASL || priv->sasl == NULL) { VIR_ERROR(_("client tried invalid SASL start request")); goto authfail; } VIR_DEBUG("Using SASL mechanism %s. Data %d bytes, nil: %d", args->mech, args->data.data_len, args->nil); err = virNetSASLSessionServerStart(priv->sasl, args->mech, /* NB, distinction of NULL vs "" is *critical* in SASL */ args->nil ? NULL : args->data.data_val, args->data.data_len, &serverout, &serveroutlen); if (err != VIR_NET_SASL_COMPLETE && err != VIR_NET_SASL_CONTINUE) goto authfail; if (serveroutlen > REMOTE_AUTH_SASL_DATA_MAX) { VIR_ERROR(_("sasl start reply data too long %d"), (int)serveroutlen); goto authfail; } /* NB, distinction of NULL vs "" is *critical* in SASL */ if (serverout) { if (VIR_ALLOC_N(ret->data.data_val, serveroutlen) < 0) goto authfail; memcpy(ret->data.data_val, serverout, serveroutlen); } else { ret->data.data_val = NULL; } ret->nil = serverout ? 0 : 1; ret->data.data_len = serveroutlen; VIR_DEBUG("SASL return data %d bytes, nil; %d", ret->data.data_len, ret->nil); if (err == VIR_NET_SASL_CONTINUE) { ret->complete = 0; } else { /* Check username whitelist ACL */ if ((err = remoteSASLFinish(client)) < 0) { if (err == -2) goto authdeny; else goto authfail; } ret->complete = 1; } virMutexUnlock(&priv->lock); return 0; authfail: PROBE(RPC_SERVER_CLIENT_AUTH_FAIL, "client=%p auth=%d", client, REMOTE_AUTH_SASL); goto error; authdeny: identity = virNetSASLSessionGetIdentity(priv->sasl); PROBE(RPC_SERVER_CLIENT_AUTH_DENY, "client=%p auth=%d identity=%s", client, REMOTE_AUTH_SASL, identity); goto error; error: virObjectUnref(priv->sasl); priv->sasl = NULL; virResetLastError(); virReportError(VIR_ERR_AUTH_FAILED, "%s", _("authentication failed")); if (rv < 0) virNetMessageSaveError(rerr); virMutexUnlock(&priv->lock); return -1; } static int remoteDispatchAuthSaslStep(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_auth_sasl_step_args *args, remote_auth_sasl_step_ret *ret) { const char *serverout; size_t serveroutlen; int err; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); const char *identity; virMutexLock(&priv->lock); VIR_DEBUG("Step SASL auth %d", virNetServerClientGetFD(client)); if (virNetServerClientGetAuth(client) != VIR_NET_SERVER_SERVICE_AUTH_SASL || priv->sasl == NULL) { VIR_ERROR(_("client tried invalid SASL start request")); goto authfail; } VIR_DEBUG("Step using SASL Data %d bytes, nil: %d", args->data.data_len, args->nil); err = virNetSASLSessionServerStep(priv->sasl, /* NB, distinction of NULL vs "" is *critical* in SASL */ args->nil ? NULL : args->data.data_val, args->data.data_len, &serverout, &serveroutlen); if (err != VIR_NET_SASL_COMPLETE && err != VIR_NET_SASL_CONTINUE) goto authfail; if (serveroutlen > REMOTE_AUTH_SASL_DATA_MAX) { VIR_ERROR(_("sasl step reply data too long %d"), (int)serveroutlen); goto authfail; } /* NB, distinction of NULL vs "" is *critical* in SASL */ if (serverout) { if (VIR_ALLOC_N(ret->data.data_val, serveroutlen) < 0) goto authfail; memcpy(ret->data.data_val, serverout, serveroutlen); } else { ret->data.data_val = NULL; } ret->nil = serverout ? 0 : 1; ret->data.data_len = serveroutlen; VIR_DEBUG("SASL return data %d bytes, nil; %d", ret->data.data_len, ret->nil); if (err == VIR_NET_SASL_CONTINUE) { ret->complete = 0; } else { /* Check username whitelist ACL */ if ((err = remoteSASLFinish(client)) < 0) { if (err == -2) goto authdeny; else goto authfail; } ret->complete = 1; } virMutexUnlock(&priv->lock); return 0; authfail: PROBE(RPC_SERVER_CLIENT_AUTH_FAIL, "client=%p auth=%d", client, REMOTE_AUTH_SASL); goto error; authdeny: identity = virNetSASLSessionGetIdentity(priv->sasl); PROBE(RPC_SERVER_CLIENT_AUTH_DENY, "client=%p auth=%d identity=%s", client, REMOTE_AUTH_SASL, identity); goto error; error: virObjectUnref(priv->sasl); priv->sasl = NULL; virResetLastError(); virReportError(VIR_ERR_AUTH_FAILED, "%s", _("authentication failed")); if (rv < 0) virNetMessageSaveError(rerr); virMutexUnlock(&priv->lock); return -1; } #else static int remoteDispatchAuthSaslInit(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_auth_sasl_init_ret *ret ATTRIBUTE_UNUSED) { VIR_WARN("Client tried unsupported SASL auth"); virReportError(VIR_ERR_AUTH_FAILED, "%s", _("authentication failed")); virNetMessageSaveError(rerr); return -1; } static int remoteDispatchAuthSaslStart(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_auth_sasl_start_args *args ATTRIBUTE_UNUSED, remote_auth_sasl_start_ret *ret ATTRIBUTE_UNUSED) { VIR_WARN("Client tried unsupported SASL auth"); virReportError(VIR_ERR_AUTH_FAILED, "%s", _("authentication failed")); virNetMessageSaveError(rerr); return -1; } static int remoteDispatchAuthSaslStep(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_auth_sasl_step_args *args ATTRIBUTE_UNUSED, remote_auth_sasl_step_ret *ret ATTRIBUTE_UNUSED) { VIR_WARN("Client tried unsupported SASL auth"); virReportError(VIR_ERR_AUTH_FAILED, "%s", _("authentication failed")); virNetMessageSaveError(rerr); return -1; } #endif #if WITH_POLKIT1 static int remoteDispatchAuthPolkit(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_auth_polkit_ret *ret) { pid_t callerPid = -1; gid_t callerGid = -1; uid_t callerUid = -1; unsigned long long timestamp; const char *action; int status = -1; char *ident = NULL; bool authdismissed = 0; bool supportsuid = false; char *pkout = NULL; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); virCommandPtr cmd = NULL; static bool polkitInsecureWarned; virMutexLock(&priv->lock); action = virNetServerClientGetReadonly(client) ? "org.libvirt.unix.monitor" : "org.libvirt.unix.manage"; cmd = virCommandNewArgList(PKCHECK_PATH, "--action-id", action, NULL); virCommandSetOutputBuffer(cmd, &pkout); virCommandSetErrorBuffer(cmd, &pkout); VIR_DEBUG("Start PolicyKit auth %d", virNetServerClientGetFD(client)); if (virNetServerClientGetAuth(client) != VIR_NET_SERVER_SERVICE_AUTH_POLKIT) { VIR_ERROR(_("client tried invalid PolicyKit init request")); goto authfail; } if (virNetServerClientGetUNIXIdentity(client, &callerUid, &callerGid, &callerPid, ×tamp) < 0) { goto authfail; } if (timestamp == 0) { VIR_WARN("Failing polkit auth due to missing client (pid=%lld) start time", (long long)callerPid); goto authfail; } VIR_INFO("Checking PID %lld running as %d", (long long) callerPid, callerUid); virCommandAddArg(cmd, "--process"); # ifdef PKCHECK_SUPPORTS_UID supportsuid = true; # endif if (supportsuid) { virCommandAddArgFormat(cmd, "%lld,%llu,%lu", (long long) callerPid, timestamp, (unsigned long) callerUid); } else { if (!polkitInsecureWarned) { VIR_WARN("No support for caller UID with pkcheck. This deployment is known to be insecure."); polkitInsecureWarned = true; } virCommandAddArgFormat(cmd, "%lld,%llu", (long long) callerPid, timestamp); } virCommandAddArg(cmd, "--allow-user-interaction"); if (virAsprintf(&ident, "pid:%lld,uid:%d", (long long) callerPid, callerUid) < 0) { virReportOOMError(); goto authfail; } if (virCommandRun(cmd, &status) < 0) goto authfail; authdismissed = (pkout && strstr(pkout, "dismissed=true")); if (status != 0) { char *tmp = virProcessTranslateStatus(status); VIR_ERROR(_("Policy kit denied action %s from pid %lld, uid %d: %s"), action, (long long) callerPid, callerUid, NULLSTR(tmp)); VIR_FREE(tmp); goto authdeny; } PROBE(RPC_SERVER_CLIENT_AUTH_ALLOW, "client=%p auth=%d identity=%s", client, REMOTE_AUTH_POLKIT, ident); VIR_INFO("Policy allowed action %s from pid %lld, uid %d", action, (long long) callerPid, callerUid); ret->complete = 1; virNetServerClientSetAuth(client, 0); virMutexUnlock(&priv->lock); virCommandFree(cmd); VIR_FREE(pkout); VIR_FREE(ident); return 0; error: virCommandFree(cmd); VIR_FREE(ident); virResetLastError(); if (authdismissed) { virReportError(VIR_ERR_AUTH_CANCELLED, "%s", _("authentication cancelled by user")); } else if (pkout && *pkout) { virReportError(VIR_ERR_AUTH_FAILED, _("polkit: %s"), pkout); } else { virReportError(VIR_ERR_AUTH_FAILED, "%s", _("authentication failed")); } VIR_FREE(pkout); virNetMessageSaveError(rerr); virMutexUnlock(&priv->lock); return -1; authfail: PROBE(RPC_SERVER_CLIENT_AUTH_FAIL, "client=%p auth=%d", client, REMOTE_AUTH_POLKIT); goto error; authdeny: PROBE(RPC_SERVER_CLIENT_AUTH_DENY, "client=%p auth=%d identity=%s", client, REMOTE_AUTH_POLKIT, ident); goto error; } #elif WITH_POLKIT0 static int remoteDispatchAuthPolkit(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_auth_polkit_ret *ret) { pid_t callerPid; gid_t callerGid; uid_t callerUid; PolKitCaller *pkcaller = NULL; PolKitAction *pkaction = NULL; PolKitContext *pkcontext = NULL; PolKitError *pkerr = NULL; PolKitResult pkresult; DBusError err; const char *action; char *ident = NULL; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); DBusConnection *sysbus; unsigned long long timestamp; virMutexLock(&priv->lock); action = virNetServerClientGetReadonly(client) ? "org.libvirt.unix.monitor" : "org.libvirt.unix.manage"; VIR_DEBUG("Start PolicyKit auth %d", virNetServerClientGetFD(client)); if (virNetServerClientGetAuth(client) != VIR_NET_SERVER_SERVICE_AUTH_POLKIT) { VIR_ERROR(_("client tried invalid PolicyKit init request")); goto authfail; } if (virNetServerClientGetUNIXIdentity(client, &callerUid, &callerGid, &callerPid, ×tamp) < 0) { VIR_ERROR(_("cannot get peer socket identity")); goto authfail; } if (virAsprintf(&ident, "pid:%lld,uid:%d", (long long) callerPid, callerUid) < 0) { virReportOOMError(); goto authfail; } if (!(sysbus = virDBusGetSystemBus())) goto authfail; VIR_INFO("Checking PID %lld running as %d", (long long) callerPid, callerUid); dbus_error_init(&err); if (!(pkcaller = polkit_caller_new_from_pid(sysbus, callerPid, &err))) { VIR_ERROR(_("Failed to lookup policy kit caller: %s"), err.message); dbus_error_free(&err); goto authfail; } if (!(pkaction = polkit_action_new())) { char ebuf[1024]; VIR_ERROR(_("Failed to create polkit action %s"), virStrerror(errno, ebuf, sizeof(ebuf))); polkit_caller_unref(pkcaller); goto authfail; } polkit_action_set_action_id(pkaction, action); if (!(pkcontext = polkit_context_new()) || !polkit_context_init(pkcontext, &pkerr)) { char ebuf[1024]; VIR_ERROR(_("Failed to create polkit context %s"), (pkerr ? polkit_error_get_error_message(pkerr) : virStrerror(errno, ebuf, sizeof(ebuf)))); if (pkerr) polkit_error_free(pkerr); polkit_caller_unref(pkcaller); polkit_action_unref(pkaction); dbus_error_free(&err); goto authfail; } # if HAVE_POLKIT_CONTEXT_IS_CALLER_AUTHORIZED pkresult = polkit_context_is_caller_authorized(pkcontext, pkaction, pkcaller, 0, &pkerr); if (pkerr && polkit_error_is_set(pkerr)) { VIR_ERROR(_("Policy kit failed to check authorization %d %s"), polkit_error_get_error_code(pkerr), polkit_error_get_error_message(pkerr)); goto authfail; } # else pkresult = polkit_context_can_caller_do_action(pkcontext, pkaction, pkcaller); # endif polkit_context_unref(pkcontext); polkit_caller_unref(pkcaller); polkit_action_unref(pkaction); if (pkresult != POLKIT_RESULT_YES) { VIR_ERROR(_("Policy kit denied action %s from pid %lld, uid %d, result: %s"), action, (long long) callerPid, callerUid, polkit_result_to_string_representation(pkresult)); goto authdeny; } PROBE(RPC_SERVER_CLIENT_AUTH_ALLOW, "client=%p auth=%d identity=%s", client, REMOTE_AUTH_POLKIT, ident); VIR_INFO("Policy allowed action %s from pid %lld, uid %d, result %s", action, (long long) callerPid, callerUid, polkit_result_to_string_representation(pkresult)); ret->complete = 1; virNetServerClientSetAuth(client, 0); virMutexUnlock(&priv->lock); VIR_FREE(ident); return 0; error: VIR_FREE(ident); virResetLastError(); virReportError(VIR_ERR_AUTH_FAILED, "%s", _("authentication failed")); virNetMessageSaveError(rerr); virMutexUnlock(&priv->lock); return -1; authfail: PROBE(RPC_SERVER_CLIENT_AUTH_FAIL, "client=%p auth=%d", client, REMOTE_AUTH_POLKIT); goto error; authdeny: PROBE(RPC_SERVER_CLIENT_AUTH_DENY, "client=%p auth=%d identity=%s", client, REMOTE_AUTH_POLKIT, ident); goto error; } #else /* !WITH_POLKIT0 & !HAVE_POLKIT1*/ static int remoteDispatchAuthPolkit(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_auth_polkit_ret *ret ATTRIBUTE_UNUSED) { VIR_ERROR(_("client tried unsupported PolicyKit init request")); virReportError(VIR_ERR_AUTH_FAILED, "%s", _("authentication failed")); virNetMessageSaveError(rerr); return -1; } #endif /* WITH_POLKIT1 */ /*************************************************************** * NODE INFO APIS **************************************************************/ static int remoteDispatchNodeDeviceGetParent(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_node_device_get_parent_args *args, remote_node_device_get_parent_ret *ret) { virNodeDevicePtr dev = NULL; const char *parent = NULL; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dev = virNodeDeviceLookupByName(priv->conn, args->name))) goto cleanup; parent = virNodeDeviceGetParent(dev); if (parent == NULL) { ret->parent = NULL; } else { /* remoteDispatchClientRequest will free this. */ char **parent_p; if (VIR_ALLOC(parent_p) < 0) { virReportOOMError(); goto cleanup; } if (VIR_STRDUP(*parent_p, parent) < 0) { VIR_FREE(parent_p); goto cleanup; } ret->parent = parent_p; } rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (dev) virNodeDeviceFree(dev); return rv; } /*************************** * Register / deregister events ***************************/ static int remoteDispatchConnectDomainEventRegister(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED, remote_connect_domain_event_register_ret *ret ATTRIBUTE_UNUSED) { int callbackID; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } virMutexLock(&priv->lock); if (priv->domainEventCallbackID[VIR_DOMAIN_EVENT_ID_LIFECYCLE] != -1) { virReportError(VIR_ERR_INTERNAL_ERROR, _("domain event %d already registered"), VIR_DOMAIN_EVENT_ID_LIFECYCLE); goto cleanup; } if ((callbackID = virConnectDomainEventRegisterAny(priv->conn, NULL, VIR_DOMAIN_EVENT_ID_LIFECYCLE, VIR_DOMAIN_EVENT_CALLBACK(remoteRelayDomainEventLifecycle), client, NULL)) < 0) goto cleanup; priv->domainEventCallbackID[VIR_DOMAIN_EVENT_ID_LIFECYCLE] = callbackID; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); virMutexUnlock(&priv->lock); return rv; } static int remoteDispatchConnectDomainEventDeregister(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED, remote_connect_domain_event_deregister_ret *ret ATTRIBUTE_UNUSED) { int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } virMutexLock(&priv->lock); if (priv->domainEventCallbackID[VIR_DOMAIN_EVENT_ID_LIFECYCLE] < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("domain event %d not registered"), VIR_DOMAIN_EVENT_ID_LIFECYCLE); goto cleanup; } if (virConnectDomainEventDeregisterAny(priv->conn, priv->domainEventCallbackID[VIR_DOMAIN_EVENT_ID_LIFECYCLE]) < 0) goto cleanup; priv->domainEventCallbackID[VIR_DOMAIN_EVENT_ID_LIFECYCLE] = -1; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); virMutexUnlock(&priv->lock); return rv; } static void remoteDispatchDomainEventSend(virNetServerClientPtr client, virNetServerProgramPtr program, int procnr, xdrproc_t proc, void *data) { virNetMessagePtr msg; if (!(msg = virNetMessageNew(false))) goto cleanup; msg->header.prog = virNetServerProgramGetID(program); msg->header.vers = virNetServerProgramGetVersion(program); msg->header.proc = procnr; msg->header.type = VIR_NET_MESSAGE; msg->header.serial = 1; msg->header.status = VIR_NET_OK; if (virNetMessageEncodeHeader(msg) < 0) goto cleanup; if (virNetMessageEncodePayload(msg, proc, data) < 0) goto cleanup; VIR_DEBUG("Queue event %d %zu", procnr, msg->bufferLength); virNetServerClientSendMessage(client, msg); xdr_free(proc, data); return; cleanup: virNetMessageFree(msg); xdr_free(proc, data); } static int remoteDispatchSecretGetValue(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_secret_get_value_args *args, remote_secret_get_value_ret *ret) { virSecretPtr secret = NULL; size_t value_size; unsigned char *value; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(secret = get_nonnull_secret(priv->conn, args->secret))) goto cleanup; if (!(value = virSecretGetValue(secret, &value_size, args->flags))) goto cleanup; ret->value.value_len = value_size; ret->value.value_val = (char *)value; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (secret) virSecretFree(secret); return rv; } static int remoteDispatchDomainGetState(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_state_args *args, remote_domain_get_state_ret *ret) { virDomainPtr dom = NULL; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (virDomainGetState(dom, &ret->state, &ret->reason, args->flags) < 0) goto cleanup; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (dom) virDomainFree(dom); return rv; } static int remoteDispatchConnectDomainEventRegisterAny(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED, remote_connect_domain_event_register_any_args *args) { int callbackID; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } virMutexLock(&priv->lock); if (args->eventID >= VIR_DOMAIN_EVENT_ID_LAST || args->eventID < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported event ID %d"), args->eventID); goto cleanup; } if (priv->domainEventCallbackID[args->eventID] != -1) { virReportError(VIR_ERR_INTERNAL_ERROR, _("domain event %d already registered"), args->eventID); goto cleanup; } if ((callbackID = virConnectDomainEventRegisterAny(priv->conn, NULL, args->eventID, domainEventCallbacks[args->eventID], client, NULL)) < 0) goto cleanup; priv->domainEventCallbackID[args->eventID] = callbackID; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); virMutexUnlock(&priv->lock); return rv; } static int remoteDispatchConnectDomainEventDeregisterAny(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr ATTRIBUTE_UNUSED, remote_connect_domain_event_deregister_any_args *args) { int callbackID = -1; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } virMutexLock(&priv->lock); if (args->eventID >= VIR_DOMAIN_EVENT_ID_LAST || args->eventID < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("unsupported event ID %d"), args->eventID); goto cleanup; } callbackID = priv->domainEventCallbackID[args->eventID]; if (callbackID < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("domain event %d not registered"), args->eventID); goto cleanup; } if (virConnectDomainEventDeregisterAny(priv->conn, callbackID) < 0) goto cleanup; priv->domainEventCallbackID[args->eventID] = -1; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); virMutexUnlock(&priv->lock); return rv; } static int qemuDispatchDomainMonitorCommand(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, qemu_domain_monitor_command_args *args, qemu_domain_monitor_command_ret *ret) { virDomainPtr dom = NULL; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (virDomainQemuMonitorCommand(dom, args->cmd, &ret->result, args->flags) < 0) goto cleanup; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (dom) virDomainFree(dom); return rv; } static int remoteDispatchDomainMigrateBegin3(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_migrate_begin3_args *args, remote_domain_migrate_begin3_ret *ret) { char *xml = NULL; virDomainPtr dom = NULL; char *dname; char *xmlin; char *cookieout = NULL; int cookieoutlen = 0; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; xmlin = args->xmlin == NULL ? NULL : *args->xmlin; dname = args->dname == NULL ? NULL : *args->dname; if (!(xml = virDomainMigrateBegin3(dom, xmlin, &cookieout, &cookieoutlen, args->flags, dname, args->resource))) goto cleanup; /* remoteDispatchClientRequest will free cookie and * the xml string if there is one. */ ret->cookie_out.cookie_out_len = cookieoutlen; ret->cookie_out.cookie_out_val = cookieout; ret->xml = xml; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (dom) virDomainFree(dom); return rv; } static int remoteDispatchDomainMigratePrepare3(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_migrate_prepare3_args *args, remote_domain_migrate_prepare3_ret *ret) { char *cookieout = NULL; int cookieoutlen = 0; char *uri_in; char **uri_out; char *dname; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } uri_in = args->uri_in == NULL ? NULL : *args->uri_in; dname = args->dname == NULL ? NULL : *args->dname; /* Wacky world of XDR ... */ if (VIR_ALLOC(uri_out) < 0) { virReportOOMError(); goto cleanup; } if (virDomainMigratePrepare3(priv->conn, args->cookie_in.cookie_in_val, args->cookie_in.cookie_in_len, &cookieout, &cookieoutlen, uri_in, uri_out, args->flags, dname, args->resource, args->dom_xml) < 0) goto cleanup; /* remoteDispatchClientRequest will free cookie, uri_out and * the string if there is one. */ ret->cookie_out.cookie_out_len = cookieoutlen; ret->cookie_out.cookie_out_val = cookieout; ret->uri_out = *uri_out == NULL ? NULL : uri_out; rv = 0; cleanup: if (rv < 0) { virNetMessageSaveError(rerr); VIR_FREE(uri_out); } return rv; } static int remoteDispatchDomainMigratePerform3(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_migrate_perform3_args *args, remote_domain_migrate_perform3_ret *ret) { virDomainPtr dom = NULL; char *xmlin; char *dname; char *uri; char *dconnuri; char *cookieout = NULL; int cookieoutlen = 0; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; xmlin = args->xmlin == NULL ? NULL : *args->xmlin; dname = args->dname == NULL ? NULL : *args->dname; uri = args->uri == NULL ? NULL : *args->uri; dconnuri = args->dconnuri == NULL ? NULL : *args->dconnuri; if (virDomainMigratePerform3(dom, xmlin, args->cookie_in.cookie_in_val, args->cookie_in.cookie_in_len, &cookieout, &cookieoutlen, dconnuri, uri, args->flags, dname, args->resource) < 0) goto cleanup; /* remoteDispatchClientRequest will free cookie */ ret->cookie_out.cookie_out_len = cookieoutlen; ret->cookie_out.cookie_out_val = cookieout; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (dom) virDomainFree(dom); return rv; } static int remoteDispatchDomainMigrateFinish3(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_migrate_finish3_args *args, remote_domain_migrate_finish3_ret *ret) { virDomainPtr dom = NULL; char *cookieout = NULL; int cookieoutlen = 0; char *uri; char *dconnuri; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } uri = args->uri == NULL ? NULL : *args->uri; dconnuri = args->dconnuri == NULL ? NULL : *args->dconnuri; if (!(dom = virDomainMigrateFinish3(priv->conn, args->dname, args->cookie_in.cookie_in_val, args->cookie_in.cookie_in_len, &cookieout, &cookieoutlen, dconnuri, uri, args->flags, args->cancelled))) goto cleanup; make_nonnull_domain(&ret->dom, dom); /* remoteDispatchClientRequest will free cookie */ ret->cookie_out.cookie_out_len = cookieoutlen; ret->cookie_out.cookie_out_val = cookieout; rv = 0; cleanup: if (rv < 0) { virNetMessageSaveError(rerr); VIR_FREE(cookieout); } if (dom) virDomainFree(dom); return rv; } static int remoteDispatchDomainMigrateConfirm3(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_migrate_confirm3_args *args) { virDomainPtr dom = NULL; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (virDomainMigrateConfirm3(dom, args->cookie_in.cookie_in_val, args->cookie_in.cookie_in_len, args->flags, args->cancelled) < 0) goto cleanup; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (dom) virDomainFree(dom); return rv; } static int remoteDispatchConnectSupportsFeature(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_connect_supports_feature_args *args, remote_connect_supports_feature_ret *ret) { int rv = -1; int supported; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); /* This feature is checked before opening the connection, thus we must * check it first. */ if (args->feature == VIR_DRV_FEATURE_PROGRAM_KEEPALIVE) { if (virNetServerClientStartKeepAlive(client) < 0) goto cleanup; supported = 1; goto done; } if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } switch (args->feature) { case VIR_DRV_FEATURE_FD_PASSING: supported = 1; break; default: if ((supported = virConnectSupportsFeature(priv->conn, args->feature)) < 0) goto cleanup; break; } done: ret->supported = supported; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); return rv; } static int remoteDispatchDomainOpenGraphics(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg, virNetMessageErrorPtr rerr, remote_domain_open_graphics_args *args) { virDomainPtr dom = NULL; int rv = -1; int fd = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if ((fd = virNetMessageDupFD(msg, 0)) < 0) goto cleanup; if (virDomainOpenGraphics(dom, args->idx, fd, args->flags) < 0) goto cleanup; rv = 0; cleanup: VIR_FORCE_CLOSE(fd); if (rv < 0) virNetMessageSaveError(rerr); if (dom) virDomainFree(dom); return rv; } static int remoteDispatchDomainGetInterfaceParameters(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_interface_parameters_args *args, remote_domain_get_interface_parameters_ret *ret) { virDomainPtr dom = NULL; virTypedParameterPtr params = NULL; const char *device = args->device; int nparams = 0; unsigned int flags; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } flags = args->flags; if (args->nparams > REMOTE_DOMAIN_INTERFACE_PARAMETERS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large")); goto cleanup; } if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0) { virReportOOMError(); goto cleanup; } nparams = args->nparams; if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (virDomainGetInterfaceParameters(dom, device, params, &nparams, flags) < 0) goto cleanup; /* In this case, we need to send back the number of parameters * supported */ if (args->nparams == 0) { ret->nparams = nparams; goto success; } if (remoteSerializeTypedParameters(params, nparams, &ret->params.params_val, &ret->params.params_len, flags) < 0) goto cleanup; success: rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); virTypedParamsFree(params, nparams); if (dom) virDomainFree(dom); return rv; } static int remoteDispatchDomainGetCPUStats(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr hdr ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_cpu_stats_args *args, remote_domain_get_cpu_stats_ret *ret) { virDomainPtr dom = NULL; struct daemonClientPrivate *priv; virTypedParameterPtr params = NULL; int rv = -1; int percpu_len = 0; priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (args->nparams > REMOTE_NODE_CPU_STATS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large")); goto cleanup; } if (args->ncpus > REMOTE_DOMAIN_GET_CPU_STATS_NCPUS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("ncpus too large")); goto cleanup; } if (args->nparams > 0 && VIR_ALLOC_N(params, args->ncpus * args->nparams) < 0) { virReportOOMError(); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; percpu_len = virDomainGetCPUStats(dom, params, args->nparams, args->start_cpu, args->ncpus, args->flags); if (percpu_len < 0) goto cleanup; /* If nparams == 0, the function returns a single value */ if (args->nparams == 0) goto success; if (remoteSerializeTypedParameters(params, args->nparams * args->ncpus, &ret->params.params_val, &ret->params.params_len, args->flags) < 0) goto cleanup; success: rv = 0; ret->nparams = percpu_len; if (args->nparams && !(args->flags & VIR_TYPED_PARAM_STRING_OKAY)) { int i; for (i = 0; i < percpu_len; i++) { if (params[i].type == VIR_TYPED_PARAM_STRING) ret->nparams--; } } cleanup: if (rv < 0) virNetMessageSaveError(rerr); virTypedParamsFree(params, args->ncpus * args->nparams); if (dom) virDomainFree(dom); return rv; } static int remoteDispatchDomainGetDiskErrors( virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_disk_errors_args *args, remote_domain_get_disk_errors_ret *ret) { int rv = -1; virDomainPtr dom = NULL; virDomainDiskErrorPtr errors = NULL; int len = 0; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (args->maxerrors > REMOTE_DOMAIN_DISK_ERRORS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("maxerrors too large")); goto cleanup; } if (args->maxerrors && VIR_ALLOC_N(errors, args->maxerrors) < 0) { virReportOOMError(); goto cleanup; } if ((len = virDomainGetDiskErrors(dom, errors, args->maxerrors, args->flags)) < 0) goto cleanup; ret->nerrors = len; if (errors && remoteSerializeDomainDiskErrors(errors, len, &ret->errors.errors_val, &ret->errors.errors_len) < 0) goto cleanup; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (dom) virDomainFree(dom); if (errors) { int i; for (i = 0; i < len; i++) VIR_FREE(errors[i].disk); } VIR_FREE(errors); return rv; } static int remoteDispatchDomainListAllSnapshots(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_list_all_snapshots_args *args, remote_domain_list_all_snapshots_ret *ret) { virDomainSnapshotPtr *snaps = NULL; int nsnaps = 0; int i; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); virDomainPtr dom = NULL; if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if ((nsnaps = virDomainListAllSnapshots(dom, args->need_results ? &snaps : NULL, args->flags)) < 0) goto cleanup; if (snaps && nsnaps) { if (VIR_ALLOC_N(ret->snapshots.snapshots_val, nsnaps) < 0) { virReportOOMError(); goto cleanup; } ret->snapshots.snapshots_len = nsnaps; for (i = 0; i < nsnaps; i++) make_nonnull_domain_snapshot(ret->snapshots.snapshots_val + i, snaps[i]); } else { ret->snapshots.snapshots_len = 0; ret->snapshots.snapshots_val = NULL; } ret->ret = nsnaps; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (dom) virDomainFree(dom); if (snaps) { for (i = 0; i < nsnaps; i++) virDomainSnapshotFree(snaps[i]); VIR_FREE(snaps); } return rv; } static int remoteDispatchDomainSnapshotListAllChildren(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_snapshot_list_all_children_args *args, remote_domain_snapshot_list_all_children_ret *ret) { virDomainSnapshotPtr *snaps = NULL; int nsnaps = 0; int i; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); virDomainPtr dom = NULL; virDomainSnapshotPtr snapshot = NULL; if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->snapshot.dom))) goto cleanup; if (!(snapshot = get_nonnull_domain_snapshot(dom, args->snapshot))) goto cleanup; if ((nsnaps = virDomainSnapshotListAllChildren(snapshot, args->need_results ? &snaps : NULL, args->flags)) < 0) goto cleanup; if (snaps && nsnaps) { if (VIR_ALLOC_N(ret->snapshots.snapshots_val, nsnaps) < 0) { virReportOOMError(); goto cleanup; } ret->snapshots.snapshots_len = nsnaps; for (i = 0; i < nsnaps; i++) make_nonnull_domain_snapshot(ret->snapshots.snapshots_val + i, snaps[i]); } else { ret->snapshots.snapshots_len = 0; ret->snapshots.snapshots_val = NULL; } ret->ret = nsnaps; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (snapshot) virDomainSnapshotFree(snapshot); if (dom) virDomainFree(dom); if (snaps) { for (i = 0; i < nsnaps; i++) virDomainSnapshotFree(snaps[i]); VIR_FREE(snaps); } return rv; } static int remoteDispatchConnectListAllStoragePools(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_connect_list_all_storage_pools_args *args, remote_connect_list_all_storage_pools_ret *ret) { virStoragePoolPtr *pools = NULL; int npools = 0; int i; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if ((npools = virConnectListAllStoragePools(priv->conn, args->need_results ? &pools : NULL, args->flags)) < 0) goto cleanup; if (pools && npools) { if (VIR_ALLOC_N(ret->pools.pools_val, npools) < 0) { virReportOOMError(); goto cleanup; } ret->pools.pools_len = npools; for (i = 0; i < npools; i++) make_nonnull_storage_pool(ret->pools.pools_val + i, pools[i]); } else { ret->pools.pools_len = 0; ret->pools.pools_val = NULL; } ret->ret = npools; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (pools) { for (i = 0; i < npools; i++) virStoragePoolFree(pools[i]); VIR_FREE(pools); } return rv; } static int remoteDispatchStoragePoolListAllVolumes(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_storage_pool_list_all_volumes_args *args, remote_storage_pool_list_all_volumes_ret *ret) { virStorageVolPtr *vols = NULL; virStoragePoolPtr pool = NULL; int nvols = 0; int i; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(pool = get_nonnull_storage_pool(priv->conn, args->pool))) goto cleanup; if ((nvols = virStoragePoolListAllVolumes(pool, args->need_results ? &vols : NULL, args->flags)) < 0) goto cleanup; if (vols && nvols) { if (VIR_ALLOC_N(ret->vols.vols_val, nvols) < 0) { virReportOOMError(); goto cleanup; } ret->vols.vols_len = nvols; for (i = 0; i < nvols; i++) make_nonnull_storage_vol(ret->vols.vols_val + i, vols[i]); } else { ret->vols.vols_len = 0; ret->vols.vols_val = NULL; } ret->ret = nvols; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (vols) { for (i = 0; i < nvols; i++) virStorageVolFree(vols[i]); VIR_FREE(vols); } if (pool) virStoragePoolFree(pool); return rv; } static int remoteDispatchConnectListAllNetworks(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_connect_list_all_networks_args *args, remote_connect_list_all_networks_ret *ret) { virNetworkPtr *nets = NULL; int nnets = 0; int i; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if ((nnets = virConnectListAllNetworks(priv->conn, args->need_results ? &nets : NULL, args->flags)) < 0) goto cleanup; if (nets && nnets) { if (VIR_ALLOC_N(ret->nets.nets_val, nnets) < 0) { virReportOOMError(); goto cleanup; } ret->nets.nets_len = nnets; for (i = 0; i < nnets; i++) make_nonnull_network(ret->nets.nets_val + i, nets[i]); } else { ret->nets.nets_len = 0; ret->nets.nets_val = NULL; } ret->ret = nnets; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (nets) { for (i = 0; i < nnets; i++) virNetworkFree(nets[i]); VIR_FREE(nets); } return rv; } static int remoteDispatchConnectListAllInterfaces(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_connect_list_all_interfaces_args *args, remote_connect_list_all_interfaces_ret *ret) { virInterfacePtr *ifaces = NULL; int nifaces = 0; int i; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if ((nifaces = virConnectListAllInterfaces(priv->conn, args->need_results ? &ifaces : NULL, args->flags)) < 0) goto cleanup; if (ifaces && nifaces) { if (VIR_ALLOC_N(ret->ifaces.ifaces_val, nifaces) < 0) { virReportOOMError(); goto cleanup; } ret->ifaces.ifaces_len = nifaces; for (i = 0; i < nifaces; i++) make_nonnull_interface(ret->ifaces.ifaces_val + i, ifaces[i]); } else { ret->ifaces.ifaces_len = 0; ret->ifaces.ifaces_val = NULL; } ret->ret = nifaces; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (ifaces) { for (i = 0; i < nifaces; i++) virInterfaceFree(ifaces[i]); VIR_FREE(ifaces); } return rv; } static int remoteDispatchConnectListAllNodeDevices(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_connect_list_all_node_devices_args *args, remote_connect_list_all_node_devices_ret *ret) { virNodeDevicePtr *devices = NULL; int ndevices = 0; int i; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if ((ndevices = virConnectListAllNodeDevices(priv->conn, args->need_results ? &devices : NULL, args->flags)) < 0) goto cleanup; if (devices && ndevices) { if (VIR_ALLOC_N(ret->devices.devices_val, ndevices) < 0) { virReportOOMError(); goto cleanup; } ret->devices.devices_len = ndevices; for (i = 0; i < ndevices; i++) make_nonnull_node_device(ret->devices.devices_val + i, devices[i]); } else { ret->devices.devices_len = 0; ret->devices.devices_val = NULL; } ret->ret = ndevices; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (devices) { for (i = 0; i < ndevices; i++) virNodeDeviceFree(devices[i]); VIR_FREE(devices); } return rv; } static int remoteDispatchConnectListAllNWFilters(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_connect_list_all_nwfilters_args *args, remote_connect_list_all_nwfilters_ret *ret) { virNWFilterPtr *filters = NULL; int nfilters = 0; int i; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if ((nfilters = virConnectListAllNWFilters(priv->conn, args->need_results ? &filters : NULL, args->flags)) < 0) goto cleanup; if (filters && nfilters) { if (VIR_ALLOC_N(ret->filters.filters_val, nfilters) < 0) { virReportOOMError(); goto cleanup; } ret->filters.filters_len = nfilters; for (i = 0; i < nfilters; i++) make_nonnull_nwfilter(ret->filters.filters_val + i, filters[i]); } else { ret->filters.filters_len = 0; ret->filters.filters_val = NULL; } ret->ret = nfilters; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (filters) { for (i = 0; i < nfilters; i++) virNWFilterFree(filters[i]); VIR_FREE(filters); } return rv; } static int remoteDispatchConnectListAllSecrets(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_connect_list_all_secrets_args *args, remote_connect_list_all_secrets_ret *ret) { virSecretPtr *secrets = NULL; int nsecrets = 0; int i; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if ((nsecrets = virConnectListAllSecrets(priv->conn, args->need_results ? &secrets : NULL, args->flags)) < 0) goto cleanup; if (secrets && nsecrets) { if (VIR_ALLOC_N(ret->secrets.secrets_val, nsecrets) < 0) { virReportOOMError(); goto cleanup; } ret->secrets.secrets_len = nsecrets; for (i = 0; i < nsecrets; i++) make_nonnull_secret(ret->secrets.secrets_val + i, secrets[i]); } else { ret->secrets.secrets_len = 0; ret->secrets.secrets_val = NULL; } ret->ret = nsecrets; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); if (secrets) { for (i = 0; i < nsecrets; i++) virSecretFree(secrets[i]); VIR_FREE(secrets); } return rv; } static int remoteDispatchNodeGetMemoryParameters(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_node_get_memory_parameters_args *args, remote_node_get_memory_parameters_ret *ret) { virTypedParameterPtr params = NULL; int nparams = 0; unsigned int flags; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } flags = args->flags; if (args->nparams > REMOTE_NODE_MEMORY_PARAMETERS_MAX) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large")); goto cleanup; } if (args->nparams && VIR_ALLOC_N(params, args->nparams) < 0) { virReportOOMError(); goto cleanup; } nparams = args->nparams; if (virNodeGetMemoryParameters(priv->conn, params, &nparams, flags) < 0) goto cleanup; /* In this case, we need to send back the number of parameters * supported */ if (args->nparams == 0) { ret->nparams = nparams; goto success; } if (remoteSerializeTypedParameters(params, nparams, &ret->params.params_val, &ret->params.params_len, args->flags) < 0) goto cleanup; success: rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); virTypedParamsFree(params, nparams); return rv; } static int remoteDispatchNodeGetCPUMap(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_node_get_cpu_map_args *args, remote_node_get_cpu_map_ret *ret) { unsigned char *cpumap = NULL; unsigned int online = 0; unsigned int flags; int cpunum; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } flags = args->flags; cpunum = virNodeGetCPUMap(priv->conn, args->need_map ? &cpumap : NULL, args->need_online ? &online : NULL, flags); if (cpunum < 0) goto cleanup; /* 'serialize' return cpumap */ if (args->need_map) { ret->cpumap.cpumap_len = VIR_CPU_MAPLEN(cpunum); ret->cpumap.cpumap_val = (char *) cpumap; cpumap = NULL; } ret->online = online; ret->ret = cpunum; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); VIR_FREE(cpumap); return rv; } static int lxcDispatchDomainOpenNamespace(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client ATTRIBUTE_UNUSED, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, lxc_domain_open_namespace_args *args) { int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); int *fdlist = NULL; int ret; virDomainPtr dom = NULL; size_t i; if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; ret = virDomainLxcOpenNamespace(dom, &fdlist, args->flags); if (ret < 0) goto cleanup; /* We shouldn't have received any from the client, * but in case they're playing games with us, prevent * a resource leak */ for (i = 0; i < msg->nfds; i++) VIR_FORCE_CLOSE(msg->fds[i]); VIR_FREE(msg->fds); msg->nfds = 0; msg->fds = fdlist; msg->nfds = ret; rv = 1; cleanup: if (rv < 0) virNetMessageSaveError(rerr); virDomainFree(dom); return rv; } static int remoteDispatchDomainGetJobStats(virNetServerPtr server ATTRIBUTE_UNUSED, virNetServerClientPtr client, virNetMessagePtr msg ATTRIBUTE_UNUSED, virNetMessageErrorPtr rerr, remote_domain_get_job_stats_args *args, remote_domain_get_job_stats_ret *ret) { virDomainPtr dom = NULL; virTypedParameterPtr params = NULL; int nparams = 0; int rv = -1; struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); if (!priv->conn) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open")); goto cleanup; } if (!(dom = get_nonnull_domain(priv->conn, args->dom))) goto cleanup; if (virDomainGetJobStats(dom, &ret->type, ¶ms, &nparams, args->flags) < 0) goto cleanup; if (remoteSerializeTypedParameters(params, nparams, &ret->params.params_val, &ret->params.params_len, 0) < 0) goto cleanup; rv = 0; cleanup: if (rv < 0) virNetMessageSaveError(rerr); virTypedParamsFree(params, nparams); if (dom) virDomainFree(dom); return rv; } /*----- Helpers. -----*/ /* get_nonnull_domain and get_nonnull_network turn an on-wire * (name, uuid) pair into virDomainPtr or virNetworkPtr object. * virDomainPtr or virNetworkPtr cannot be NULL. * * NB. If these return NULL then the caller must return an error. */ static virDomainPtr get_nonnull_domain(virConnectPtr conn, remote_nonnull_domain domain) { virDomainPtr dom; dom = virGetDomain(conn, domain.name, BAD_CAST domain.uuid); /* Should we believe the domain.id sent by the client? Maybe * this should be a check rather than an assignment? XXX */ if (dom) dom->id = domain.id; return dom; } static virNetworkPtr get_nonnull_network(virConnectPtr conn, remote_nonnull_network network) { return virGetNetwork(conn, network.name, BAD_CAST network.uuid); } static virInterfacePtr get_nonnull_interface(virConnectPtr conn, remote_nonnull_interface iface) { return virGetInterface(conn, iface.name, iface.mac); } static virStoragePoolPtr get_nonnull_storage_pool(virConnectPtr conn, remote_nonnull_storage_pool pool) { return virGetStoragePool(conn, pool.name, BAD_CAST pool.uuid, NULL, NULL); } static virStorageVolPtr get_nonnull_storage_vol(virConnectPtr conn, remote_nonnull_storage_vol vol) { virStorageVolPtr ret; ret = virGetStorageVol(conn, vol.pool, vol.name, vol.key, NULL, NULL); return ret; } static virSecretPtr get_nonnull_secret(virConnectPtr conn, remote_nonnull_secret secret) { return virGetSecret(conn, BAD_CAST secret.uuid, secret.usageType, secret.usageID); } static virNWFilterPtr get_nonnull_nwfilter(virConnectPtr conn, remote_nonnull_nwfilter nwfilter) { return virGetNWFilter(conn, nwfilter.name, BAD_CAST nwfilter.uuid); } static virDomainSnapshotPtr get_nonnull_domain_snapshot(virDomainPtr dom, remote_nonnull_domain_snapshot snapshot) { return virGetDomainSnapshot(dom, snapshot.name); } /* Make remote_nonnull_domain and remote_nonnull_network. */ static void make_nonnull_domain(remote_nonnull_domain *dom_dst, virDomainPtr dom_src) { dom_dst->id = dom_src->id; ignore_value(VIR_STRDUP_QUIET(dom_dst->name, dom_src->name)); memcpy(dom_dst->uuid, dom_src->uuid, VIR_UUID_BUFLEN); } static void make_nonnull_network(remote_nonnull_network *net_dst, virNetworkPtr net_src) { ignore_value(VIR_STRDUP_QUIET(net_dst->name, net_src->name)); memcpy(net_dst->uuid, net_src->uuid, VIR_UUID_BUFLEN); } static void make_nonnull_interface(remote_nonnull_interface *interface_dst, virInterfacePtr interface_src) { ignore_value(VIR_STRDUP_QUIET(interface_dst->name, interface_src->name)); ignore_value(VIR_STRDUP_QUIET(interface_dst->mac, interface_src->mac)); } static void make_nonnull_storage_pool(remote_nonnull_storage_pool *pool_dst, virStoragePoolPtr pool_src) { ignore_value(VIR_STRDUP_QUIET(pool_dst->name, pool_src->name)); memcpy(pool_dst->uuid, pool_src->uuid, VIR_UUID_BUFLEN); } static void make_nonnull_storage_vol(remote_nonnull_storage_vol *vol_dst, virStorageVolPtr vol_src) { ignore_value(VIR_STRDUP_QUIET(vol_dst->pool, vol_src->pool)); ignore_value(VIR_STRDUP_QUIET(vol_dst->name, vol_src->name)); ignore_value(VIR_STRDUP_QUIET(vol_dst->key, vol_src->key)); } static void make_nonnull_node_device(remote_nonnull_node_device *dev_dst, virNodeDevicePtr dev_src) { ignore_value(VIR_STRDUP_QUIET(dev_dst->name, dev_src->name)); } static void make_nonnull_secret(remote_nonnull_secret *secret_dst, virSecretPtr secret_src) { memcpy(secret_dst->uuid, secret_src->uuid, VIR_UUID_BUFLEN); secret_dst->usageType = secret_src->usageType; ignore_value(VIR_STRDUP_QUIET(secret_dst->usageID, secret_src->usageID)); } static void make_nonnull_nwfilter(remote_nonnull_nwfilter *nwfilter_dst, virNWFilterPtr nwfilter_src) { ignore_value(VIR_STRDUP_QUIET(nwfilter_dst->name, nwfilter_src->name)); memcpy(nwfilter_dst->uuid, nwfilter_src->uuid, VIR_UUID_BUFLEN); } static void make_nonnull_domain_snapshot(remote_nonnull_domain_snapshot *snapshot_dst, virDomainSnapshotPtr snapshot_src) { ignore_value(VIR_STRDUP_QUIET(snapshot_dst->name, snapshot_src->name)); make_nonnull_domain(&snapshot_dst->dom, snapshot_src->domain); } static int remoteSerializeDomainDiskErrors(virDomainDiskErrorPtr errors, int nerrors, remote_domain_disk_error **ret_errors_val, u_int *ret_errors_len) { remote_domain_disk_error *val = NULL; int i = 0; if (VIR_ALLOC_N(val, nerrors) < 0) { virReportOOMError(); goto error; } for (i = 0; i < nerrors; i++) { if (VIR_STRDUP(val[i].disk, errors[i].disk) < 0) goto error; val[i].error = errors[i].error; } *ret_errors_len = nerrors; *ret_errors_val = val; return 0; error: if (val) { int j; for (j = 0; j < i; j++) VIR_FREE(val[j].disk); VIR_FREE(val); } return -1; }