/* * remote_driver.c: driver to provide access to libvirtd running * on a remote machine * * Copyright (C) 2007-2011 Red Hat, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Author: Richard Jones */ #include #include #include #include #include "virnetclient.h" #include "virnetclientprogram.h" #include "virnetclientstream.h" #include "virterror_internal.h" #include "logging.h" #include "datatypes.h" #include "domain_event.h" #include "driver.h" #include "buf.h" #include "qparams.h" #include "remote_driver.h" #include "remote_protocol.h" #include "qemu_protocol.h" #include "memory.h" #include "util.h" #include "virfile.h" #include "command.h" #include "intprops.h" #define VIR_FROM_THIS VIR_FROM_REMOTE #if SIZEOF_LONG < 8 # define HYPER_TO_TYPE(_type, _to, _from) \ do { \ if ((_from) != (_type)(_from)) { \ remoteError(VIR_ERR_INTERNAL_ERROR, \ _("conversion from hyper to %s overflowed"), #_type); \ goto done; \ } \ (_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 int inside_daemon = 0; struct private_data { virMutex lock; virNetClientPtr client; virNetClientProgramPtr remoteProgram; virNetClientProgramPtr qemuProgram; int counter; /* Serial number for RPC */ virNetTLSContextPtr tls; int is_secure; /* Secure if TLS or SASL or UNIX sockets */ char *type; /* Cached return from remoteType. */ int localUses; /* Ref count for private data */ char *hostname; /* Original hostname */ virDomainEventStatePtr domainEventState; }; enum { REMOTE_CALL_QEMU = (1 << 0), }; static void remoteDriverLock(struct private_data *driver) { virMutexLock(&driver->lock); } static void remoteDriverUnlock(struct private_data *driver) { virMutexUnlock(&driver->lock); } static int call (virConnectPtr conn, struct private_data *priv, unsigned int flags, int proc_nr, xdrproc_t args_filter, char *args, xdrproc_t ret_filter, char *ret); static int remoteAuthenticate (virConnectPtr conn, struct private_data *priv, virConnectAuthPtr auth, const char *authtype); #if HAVE_SASL static int remoteAuthSASL (virConnectPtr conn, struct private_data *priv, virConnectAuthPtr auth, const char *mech); #endif #if HAVE_POLKIT static int remoteAuthPolkit (virConnectPtr conn, struct private_data *priv, virConnectAuthPtr auth); #endif /* HAVE_POLKIT */ #define remoteError(code, ...) \ virReportErrorHelper(VIR_FROM_REMOTE, code, __FILE__, \ __FUNCTION__, __LINE__, __VA_ARGS__) static virDomainPtr get_nonnull_domain (virConnectPtr conn, remote_nonnull_domain domain); static virNetworkPtr get_nonnull_network (virConnectPtr conn, remote_nonnull_network network); static virNWFilterPtr get_nonnull_nwfilter (virConnectPtr conn, remote_nonnull_nwfilter nwfilter); 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 virNodeDevicePtr get_nonnull_node_device (virConnectPtr conn, remote_nonnull_node_device dev); static virSecretPtr get_nonnull_secret (virConnectPtr conn, remote_nonnull_secret secret); static virDomainSnapshotPtr get_nonnull_domain_snapshot (virDomainPtr domain, 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 vol_src); static void make_nonnull_storage_vol (remote_nonnull_storage_vol *vol_dst, virStorageVolPtr vol_src); static void make_nonnull_secret (remote_nonnull_secret *secret_dst, virSecretPtr secret_src); static void make_nonnull_nwfilter (remote_nonnull_nwfilter *nwfilter_dst, virNWFilterPtr nwfilter_src); static void make_nonnull_domain_snapshot (remote_nonnull_domain_snapshot *snapshot_dst, virDomainSnapshotPtr snapshot_src); static void remoteDomainEventQueueFlush(int timer, void *opaque); static void remoteDomainEventQueue(struct private_data *priv, virDomainEventPtr event); /*----------------------------------------------------------------------*/ /* Helper functions for remoteOpen. */ static char *get_transport_from_scheme (char *scheme); #ifdef WITH_LIBVIRTD static int remoteStartup(int privileged ATTRIBUTE_UNUSED) { /* Mark that we're inside the daemon so we can avoid * re-entering ourselves */ inside_daemon = 1; return 0; } #endif #ifndef WIN32 /** * remoteFindDaemonPath: * * Tries to find the path to the libvirtd binary. * * Returns path on success or NULL in case of error. */ static const char * remoteFindDaemonPath(void) { static const char *serverPaths[] = { SBINDIR "/libvirtd", SBINDIR "/libvirtd_dbg", NULL }; int i; const char *customDaemon = getenv("LIBVIRTD_PATH"); if (customDaemon) return(customDaemon); for (i = 0; serverPaths[i]; i++) { if (virFileIsExecutable(serverPaths[i])) { return serverPaths[i]; } } return NULL; } #endif static void remoteDomainBuildEventLifecycle(virNetClientProgramPtr prog ATTRIBUTE_UNUSED, virNetClientPtr client ATTRIBUTE_UNUSED, void *evdata, void *opaque); static void remoteDomainBuildEventReboot(virNetClientProgramPtr prog ATTRIBUTE_UNUSED, virNetClientPtr client ATTRIBUTE_UNUSED, void *evdata, void *opaque); static void remoteDomainBuildEventRTCChange(virNetClientProgramPtr prog, virNetClientPtr client, void *evdata, void *opaque); static void remoteDomainBuildEventWatchdog(virNetClientProgramPtr prog, virNetClientPtr client, void *evdata, void *opaque); static void remoteDomainBuildEventIOError(virNetClientProgramPtr prog, virNetClientPtr client, void *evdata, void *opaque); static void remoteDomainBuildEventIOErrorReason(virNetClientProgramPtr prog, virNetClientPtr client, void *evdata, void *opaque); static void remoteDomainBuildEventGraphics(virNetClientProgramPtr prog, virNetClientPtr client, void *evdata, void *opaque); static void remoteDomainBuildEventControlError(virNetClientProgramPtr prog, virNetClientPtr client, void *evdata, void *opaque); static void remoteDomainBuildEventBlockJob(virNetClientProgramPtr prog, virNetClientPtr client, void *evdata, void *opaque); static virNetClientProgramEvent remoteDomainEvents[] = { { REMOTE_PROC_DOMAIN_EVENT_RTC_CHANGE, remoteDomainBuildEventRTCChange, sizeof(remote_domain_event_rtc_change_msg), (xdrproc_t)xdr_remote_domain_event_rtc_change_msg }, { REMOTE_PROC_DOMAIN_EVENT_REBOOT, remoteDomainBuildEventReboot, sizeof(remote_domain_event_reboot_msg), (xdrproc_t)xdr_remote_domain_event_reboot_msg }, { REMOTE_PROC_DOMAIN_EVENT_LIFECYCLE, remoteDomainBuildEventLifecycle, sizeof(remote_domain_event_lifecycle_msg), (xdrproc_t)xdr_remote_domain_event_lifecycle_msg }, { REMOTE_PROC_DOMAIN_EVENT_WATCHDOG, remoteDomainBuildEventWatchdog, sizeof(remote_domain_event_watchdog_msg), (xdrproc_t)xdr_remote_domain_event_watchdog_msg}, { REMOTE_PROC_DOMAIN_EVENT_IO_ERROR, remoteDomainBuildEventIOError, sizeof(remote_domain_event_io_error_msg), (xdrproc_t)xdr_remote_domain_event_io_error_msg }, { REMOTE_PROC_DOMAIN_EVENT_IO_ERROR_REASON, remoteDomainBuildEventIOErrorReason, sizeof(remote_domain_event_io_error_reason_msg), (xdrproc_t)xdr_remote_domain_event_io_error_reason_msg }, { REMOTE_PROC_DOMAIN_EVENT_GRAPHICS, remoteDomainBuildEventGraphics, sizeof(remote_domain_event_graphics_msg), (xdrproc_t)xdr_remote_domain_event_graphics_msg }, { REMOTE_PROC_DOMAIN_EVENT_CONTROL_ERROR, remoteDomainBuildEventControlError, sizeof(remote_domain_event_control_error_msg), (xdrproc_t)xdr_remote_domain_event_control_error_msg }, { REMOTE_PROC_DOMAIN_EVENT_BLOCK_JOB, remoteDomainBuildEventBlockJob, sizeof(remote_domain_event_block_job_msg), (xdrproc_t)xdr_remote_domain_event_block_job_msg }, }; enum virDrvOpenRemoteFlags { VIR_DRV_OPEN_REMOTE_RO = (1 << 0), VIR_DRV_OPEN_REMOTE_USER = (1 << 1), /* Use the per-user socket path */ VIR_DRV_OPEN_REMOTE_AUTOSTART = (1 << 2), /* Autostart a per-user daemon */ }; /* * URIs that this driver needs to handle: * * The easy answer: * - Everything that no one else has yet claimed, but nothing if * we're inside the libvirtd daemon * * The hard answer: * - Plain paths (///var/lib/xen/xend-socket) -> UNIX domain socket * - xxx://servername/ -> TLS connection * - xxx+tls://servername/ -> TLS connection * - xxx+tls:/// -> TLS connection to localhost * - xxx+tcp://servername/ -> TCP connection * - xxx+tcp:/// -> TCP connection to localhost * - xxx+unix:/// -> UNIX domain socket * - xxx:/// -> UNIX domain socket */ static int doRemoteOpen (virConnectPtr conn, struct private_data *priv, virConnectAuthPtr auth ATTRIBUTE_UNUSED, unsigned int flags) { struct qparam_set *vars = NULL; char *transport_str = NULL; enum { trans_tls, trans_unix, trans_ssh, trans_ext, trans_tcp, } transport; /* We handle *ALL* URIs here. The caller has rejected any * URIs we don't care about */ if (conn->uri) { if (!conn->uri->scheme) { /* This is the ///var/lib/xen/xend-socket local path style */ transport = trans_unix; } else { transport_str = get_transport_from_scheme (conn->uri->scheme); if (!transport_str) { if (conn->uri->server) transport = trans_tls; else transport = trans_unix; } else { if (STRCASEEQ (transport_str, "tls")) transport = trans_tls; else if (STRCASEEQ (transport_str, "unix")) transport = trans_unix; else if (STRCASEEQ (transport_str, "ssh")) transport = trans_ssh; else if (STRCASEEQ (transport_str, "ext")) transport = trans_ext; else if (STRCASEEQ (transport_str, "tcp")) transport = trans_tcp; else { remoteError(VIR_ERR_INVALID_ARG, "%s", _("remote_open: transport in URL not recognised " "(should be tls|unix|ssh|ext|tcp)")); return VIR_DRV_OPEN_ERROR; } } } } else { /* No URI, then must be probing so use UNIX socket */ transport = trans_unix; } /* Local variables which we will initialize. These can * get freed in the failed: path. */ char *name = NULL, *command = NULL, *sockname = NULL, *netcat = NULL; char *port = NULL, *authtype = NULL, *username = NULL; bool sanity = true, verify = true, tty = true; char *pkipath = NULL, *keyfile = NULL; /* Return code from this function, and the private data. */ int retcode = VIR_DRV_OPEN_ERROR; /* Remote server defaults to "localhost" if not specified. */ if (conn->uri && conn->uri->port != 0) { if (virAsprintf(&port, "%d", conn->uri->port) == -1) goto out_of_memory; } else if (transport == trans_tls) { port = strdup (LIBVIRTD_TLS_PORT); if (!port) goto out_of_memory; } else if (transport == trans_tcp) { port = strdup (LIBVIRTD_TCP_PORT); if (!port) goto out_of_memory; } else port = NULL; /* Port not used for unix, ext., default for ssh */ priv->hostname = strdup (conn->uri && conn->uri->server ? conn->uri->server : "localhost"); if (!priv->hostname) goto out_of_memory; if (conn->uri && conn->uri->user) { username = strdup (conn->uri->user); if (!username) goto out_of_memory; } /* Get the variables from the query string. * Then we need to reconstruct the query string (because * feasibly it might contain variables needed by the real driver, * although that won't be the case for now). */ struct qparam *var; int i; char *query; if (conn->uri) { #ifdef HAVE_XMLURI_QUERY_RAW query = conn->uri->query_raw; #else query = conn->uri->query; #endif vars = qparam_query_parse (query); if (vars == NULL) goto failed; for (i = 0; i < vars->n; i++) { var = &vars->p[i]; if (STRCASEEQ (var->name, "name")) { VIR_FREE(name); name = strdup (var->value); if (!name) goto out_of_memory; var->ignore = 1; } else if (STRCASEEQ (var->name, "command")) { VIR_FREE(command); command = strdup (var->value); if (!command) goto out_of_memory; var->ignore = 1; } else if (STRCASEEQ (var->name, "socket")) { VIR_FREE(sockname); sockname = strdup (var->value); if (!sockname) goto out_of_memory; var->ignore = 1; } else if (STRCASEEQ (var->name, "auth")) { VIR_FREE(authtype); authtype = strdup (var->value); if (!authtype) goto out_of_memory; var->ignore = 1; } else if (STRCASEEQ (var->name, "netcat")) { VIR_FREE(netcat); netcat = strdup (var->value); if (!netcat) goto out_of_memory; var->ignore = 1; } else if (STRCASEEQ (var->name, "keyfile")) { VIR_FREE(keyfile); keyfile = strdup (var->value); if (!keyfile) goto out_of_memory; } else if (STRCASEEQ (var->name, "no_sanity")) { sanity = atoi(var->value) == 0; var->ignore = 1; } else if (STRCASEEQ (var->name, "no_verify")) { verify = atoi (var->value) == 0; var->ignore = 1; } else if (STRCASEEQ (var->name, "no_tty")) { tty = atoi (var->value) == 0; var->ignore = 1; } else if (STRCASEEQ(var->name, "pkipath")) { VIR_FREE(pkipath); pkipath = strdup(var->value); if (!pkipath) goto out_of_memory; var->ignore = 1; } else { VIR_DEBUG("passing through variable '%s' ('%s') to remote end", var->name, var->value); } } /* Construct the original name. */ if (!name) { if (conn->uri->scheme && (STREQ(conn->uri->scheme, "remote") || STRPREFIX(conn->uri->scheme, "remote+"))) { /* Allow remote serve to probe */ name = strdup(""); } else { xmlURI tmpuri = { .scheme = conn->uri->scheme, #ifdef HAVE_XMLURI_QUERY_RAW .query_raw = qparam_get_query (vars), #else .query = qparam_get_query (vars), #endif .path = conn->uri->path, .fragment = conn->uri->fragment, }; /* Evil, blank out transport scheme temporarily */ if (transport_str) { assert (transport_str[-1] == '+'); transport_str[-1] = '\0'; } name = (char *) xmlSaveUri (&tmpuri); #ifdef HAVE_XMLURI_QUERY_RAW VIR_FREE(tmpuri.query_raw); #else VIR_FREE(tmpuri.query); #endif /* Restore transport scheme */ if (transport_str) transport_str[-1] = '+'; } } free_qparam_set (vars); vars = NULL; } else { /* Probe URI server side */ name = strdup(""); } if (!name) { virReportOOMError(); goto failed; } VIR_DEBUG("proceeding with name = %s", name); /* For ext transport, command is required. */ if (transport == trans_ext && !command) { remoteError(VIR_ERR_INVALID_ARG, "%s", _("remote_open: for 'ext' transport, command is required")); goto failed; } VIR_DEBUG("Connecting with transport %d", transport); /* Connect to the remote service. */ switch (transport) { case trans_tls: priv->tls = virNetTLSContextNewClientPath(pkipath, geteuid() != 0 ? true : false, sanity, verify); if (!priv->tls) goto failed; priv->is_secure = 1; /*FALLTHROUGH*/ case trans_tcp: priv->client = virNetClientNewTCP(priv->hostname, port); if (!priv->client) goto failed; if (priv->tls) { VIR_DEBUG("Starting TLS session"); if (virNetClientSetTLSSession(priv->client, priv->tls) < 0) goto failed; } break; #ifndef WIN32 case trans_unix: if (!sockname) { if (flags & VIR_DRV_OPEN_REMOTE_USER) { char *userdir = virGetUserDirectory(getuid()); if (!userdir) goto failed; if (virAsprintf(&sockname, "@%s" LIBVIRTD_USER_UNIX_SOCKET, userdir) < 0) { VIR_FREE(userdir); goto out_of_memory; } VIR_FREE(userdir); } else { if (flags & VIR_DRV_OPEN_REMOTE_RO) sockname = strdup(LIBVIRTD_PRIV_UNIX_SOCKET_RO); else sockname = strdup(LIBVIRTD_PRIV_UNIX_SOCKET); if (sockname == NULL) goto out_of_memory; } VIR_DEBUG("Proceeding with sockname %s", sockname); } if (!(priv->client = virNetClientNewUNIX(sockname, flags & VIR_DRV_OPEN_REMOTE_AUTOSTART, remoteFindDaemonPath()))) goto failed; priv->is_secure = 1; break; case trans_ssh: command = command ? command : strdup ("ssh"); if (command == NULL) goto out_of_memory; if (!sockname) { if (flags & VIR_DRV_OPEN_REMOTE_RO) sockname = strdup(LIBVIRTD_PRIV_UNIX_SOCKET_RO); else sockname = strdup(LIBVIRTD_PRIV_UNIX_SOCKET); if (sockname == NULL) goto out_of_memory; } if (!(priv->client = virNetClientNewSSH(priv->hostname, port, command, username, !tty, !verify, netcat ? netcat : "nc", keyfile, sockname))) goto failed; priv->is_secure = 1; break; case trans_ext: { char const *cmd_argv[] = { command, NULL }; if (!(priv->client = virNetClientNewExternal(cmd_argv))) goto failed; /* Do not set 'is_secure' flag since we can't guarantee * an external program is secure, and this flag must be * pessimistic */ } break; #else /* WIN32 */ case trans_unix: case trans_ssh: case trans_ext: remoteError(VIR_ERR_INVALID_ARG, "%s", _("transport methods unix, ssh and ext are not supported " "under Windows")); goto failed; #endif /* WIN32 */ } /* switch (transport) */ if (!(priv->remoteProgram = virNetClientProgramNew(REMOTE_PROGRAM, REMOTE_PROTOCOL_VERSION, remoteDomainEvents, ARRAY_CARDINALITY(remoteDomainEvents), conn))) goto failed; if (!(priv->qemuProgram = virNetClientProgramNew(QEMU_PROGRAM, QEMU_PROTOCOL_VERSION, NULL, 0, NULL))) goto failed; if (virNetClientAddProgram(priv->client, priv->remoteProgram) < 0 || virNetClientAddProgram(priv->client, priv->qemuProgram) < 0) goto failed; /* Try and authenticate with server */ VIR_DEBUG("Trying authentication"); if (remoteAuthenticate(conn, priv, auth, authtype) == -1) goto failed; /* Finally we can call the remote side's open function. */ { remote_open_args args = { &name, flags }; VIR_DEBUG("Trying to open URI %s", name); if (call (conn, priv, 0, REMOTE_PROC_OPEN, (xdrproc_t) xdr_remote_open_args, (char *) &args, (xdrproc_t) xdr_void, (char *) NULL) == -1) goto failed; } /* Now try and find out what URI the daemon used */ if (conn->uri == NULL) { remote_get_uri_ret uriret; VIR_DEBUG("Trying to query remote URI"); memset (&uriret, 0, sizeof uriret); if (call (conn, priv, 0, REMOTE_PROC_GET_URI, (xdrproc_t) xdr_void, (char *) NULL, (xdrproc_t) xdr_remote_get_uri_ret, (char *) &uriret) < 0) goto failed; VIR_DEBUG("Auto-probed URI is %s", uriret.uri); conn->uri = xmlParseURI(uriret.uri); VIR_FREE(uriret.uri); if (!conn->uri) { virReportOOMError(); goto failed; } } if (!(priv->domainEventState = virDomainEventStateNew(remoteDomainEventQueueFlush, conn, NULL, false))) goto failed; /* Successful. */ retcode = VIR_DRV_OPEN_SUCCESS; cleanup: /* Free up the URL and strings. */ VIR_FREE(name); VIR_FREE(command); VIR_FREE(sockname); VIR_FREE(authtype); VIR_FREE(netcat); VIR_FREE(keyfile); VIR_FREE(username); VIR_FREE(port); VIR_FREE(pkipath); return retcode; out_of_memory: virReportOOMError(); if (vars) free_qparam_set (vars); failed: virNetClientClose(priv->client); virNetClientFree(priv->client); priv->client = NULL; VIR_FREE(priv->hostname); goto cleanup; } static struct private_data * remoteAllocPrivateData(void) { struct private_data *priv; if (VIR_ALLOC(priv) < 0) { virReportOOMError(); return NULL; } if (virMutexInit(&priv->lock) < 0) { remoteError(VIR_ERR_INTERNAL_ERROR, "%s", _("cannot initialize mutex")); VIR_FREE(priv); return NULL; } remoteDriverLock(priv); priv->localUses = 1; return priv; } static int remoteOpenSecondaryDriver(virConnectPtr conn, virConnectAuthPtr auth, unsigned int flags, struct private_data **priv) { int ret; int rflags = 0; if (!((*priv) = remoteAllocPrivateData())) return VIR_DRV_OPEN_ERROR; if (flags & VIR_CONNECT_RO) rflags |= VIR_DRV_OPEN_REMOTE_RO; ret = doRemoteOpen(conn, *priv, auth, rflags); if (ret != VIR_DRV_OPEN_SUCCESS) { remoteDriverUnlock(*priv); VIR_FREE(*priv); } else { (*priv)->localUses = 1; remoteDriverUnlock(*priv); } return ret; } static virDrvOpenStatus remoteOpen (virConnectPtr conn, virConnectAuthPtr auth, unsigned int flags) { struct private_data *priv; int ret, rflags = 0; const char *autostart = getenv("LIBVIRT_AUTOSTART"); if (inside_daemon && (!conn->uri || (conn->uri && !conn->uri->server))) return VIR_DRV_OPEN_DECLINED; if (!(priv = remoteAllocPrivateData())) return VIR_DRV_OPEN_ERROR; if (flags & VIR_CONNECT_RO) rflags |= VIR_DRV_OPEN_REMOTE_RO; /* * If no servername is given, and no +XXX * transport is listed, or transport is unix, * and path is /session, and uid is unprivileged * then auto-spawn a daemon. */ if (conn->uri && !conn->uri->server && conn->uri->path && conn->uri->scheme && ((strchr(conn->uri->scheme, '+') == 0)|| (strstr(conn->uri->scheme, "+unix") != NULL)) && (STREQ(conn->uri->path, "/session") || STRPREFIX(conn->uri->scheme, "test+")) && getuid() > 0) { VIR_DEBUG("Auto-spawn user daemon instance"); rflags |= VIR_DRV_OPEN_REMOTE_USER; if (!autostart || STRNEQ(autostart, "0")) rflags |= VIR_DRV_OPEN_REMOTE_AUTOSTART; } /* * If URI is NULL, then do a UNIX connection possibly auto-spawning * unprivileged server and probe remote server for URI. On Solaris, * this isn't supported, but we may be privileged enough to connect * to the UNIX socket anyway. */ if (!conn->uri) { VIR_DEBUG("Auto-probe remote URI"); #ifndef __sun if (getuid() > 0) { VIR_DEBUG("Auto-spawn user daemon instance"); rflags |= VIR_DRV_OPEN_REMOTE_USER; if (!autostart || STRNEQ(autostart, "0")) rflags |= VIR_DRV_OPEN_REMOTE_AUTOSTART; } #endif } ret = doRemoteOpen(conn, priv, auth, rflags); if (ret != VIR_DRV_OPEN_SUCCESS) { conn->privateData = NULL; remoteDriverUnlock(priv); VIR_FREE(priv); } else { conn->privateData = priv; remoteDriverUnlock(priv); } return ret; } /* In a string "driver+transport" return a pointer to "transport". */ static char * get_transport_from_scheme (char *scheme) { char *p = strchr (scheme, '+'); return p ? p+1 : 0; } /*----------------------------------------------------------------------*/ static int doRemoteClose (virConnectPtr conn, struct private_data *priv) { int ret = 0; if (call (conn, priv, 0, REMOTE_PROC_CLOSE, (xdrproc_t) xdr_void, (char *) NULL, (xdrproc_t) xdr_void, (char *) NULL) == -1) ret = -1; virNetTLSContextFree(priv->tls); priv->tls = NULL; virNetClientClose(priv->client); virNetClientFree(priv->client); priv->client = NULL; virNetClientProgramFree(priv->remoteProgram); virNetClientProgramFree(priv->qemuProgram); priv->remoteProgram = priv->qemuProgram = NULL; /* Free hostname copy */ VIR_FREE(priv->hostname); /* See comment for remoteType. */ VIR_FREE(priv->type); virDomainEventStateFree(priv->domainEventState); priv->domainEventState = NULL; return ret; } static int remoteClose (virConnectPtr conn) { int ret = 0; struct private_data *priv = conn->privateData; remoteDriverLock(priv); priv->localUses--; if (!priv->localUses) { ret = doRemoteClose(conn, priv); conn->privateData = NULL; remoteDriverUnlock(priv); virMutexDestroy(&priv->lock); VIR_FREE (priv); } if (priv) remoteDriverUnlock(priv); return ret; } /* Unfortunately this function is defined to return a static string. * Since the remote end always answers with the same type (for a * single connection anyway) we cache the type in the connection's * private data, and free it when we close the connection. * * See also: * http://www.redhat.com/archives/libvir-list/2007-February/msg00096.html */ static const char * remoteType (virConnectPtr conn) { char *rv = NULL; remote_get_type_ret ret; struct private_data *priv = conn->privateData; remoteDriverLock(priv); /* Cached? */ if (priv->type) { rv = priv->type; goto done; } memset (&ret, 0, sizeof ret); if (call (conn, priv, 0, REMOTE_PROC_GET_TYPE, (xdrproc_t) xdr_void, (char *) NULL, (xdrproc_t) xdr_remote_get_type_ret, (char *) &ret) == -1) goto done; /* Stash. */ rv = priv->type = ret.type; done: remoteDriverUnlock(priv); return rv; } static int remoteIsSecure(virConnectPtr conn) { int rv = -1; struct private_data *priv = conn->privateData; remote_is_secure_ret ret; remoteDriverLock(priv); memset (&ret, 0, sizeof ret); if (call (conn, priv, 0, REMOTE_PROC_IS_SECURE, (xdrproc_t) xdr_void, (char *) NULL, (xdrproc_t) xdr_remote_is_secure_ret, (char *) &ret) == -1) goto done; /* We claim to be secure, if the remote driver * transport itself is secure, and the remote * HV connection is secure * * ie, we don't want to claim to be secure if the * remote driver is used to connect to a XenD * driver using unencrypted HTTP:/// access */ rv = priv->is_secure && ret.secure ? 1 : 0; done: remoteDriverUnlock(priv); return rv; } static int remoteIsEncrypted(virConnectPtr conn) { int rv = -1; int encrypted = 0; struct private_data *priv = conn->privateData; remote_is_secure_ret ret; remoteDriverLock(priv); memset (&ret, 0, sizeof ret); if (call (conn, priv, 0, REMOTE_PROC_IS_SECURE, (xdrproc_t) xdr_void, (char *) NULL, (xdrproc_t) xdr_remote_is_secure_ret, (char *) &ret) == -1) goto done; if (virNetClientIsEncrypted(priv->client)) encrypted = 1; /* We claim to be encrypted, if the remote driver * transport itself is encrypted, and the remote * HV connection is secure. * * Yes, we really don't check the remote 'encrypted' * option, since it will almost always be false, * even if secure (eg UNIX sockets). */ rv = encrypted && ret.secure ? 1 : 0; done: remoteDriverUnlock(priv); return rv; } static int remoteNodeGetCPUStats (virConnectPtr conn, int cpuNum, virNodeCPUStatsPtr params, int *nparams, unsigned int flags) { int rv = -1; remote_node_get_cpu_stats_args args; remote_node_get_cpu_stats_ret ret; int i = -1; struct private_data *priv = conn->privateData; remoteDriverLock(priv); args.nparams = *nparams; args.cpuNum = cpuNum; args.flags = flags; memset (&ret, 0, sizeof ret); if (call (conn, priv, 0, REMOTE_PROC_NODE_GET_CPU_STATS, (xdrproc_t) xdr_remote_node_get_cpu_stats_args, (char *) &args, (xdrproc_t) xdr_remote_node_get_cpu_stats_ret, (char *) &ret) == -1) goto done; /* Check the length of the returned list carefully. */ if (ret.params.params_len > REMOTE_NODE_CPU_STATS_MAX || ret.params.params_len > *nparams) { remoteError(VIR_ERR_RPC, "%s", _("remoteNodeGetCPUStats: " "returned number of stats exceeds limit")); goto cleanup; } /* Handle the case when the caller does not know the number of stats * and is asking for the number of stats supported */ if (*nparams == 0) { *nparams = ret.nparams; rv = 0; goto cleanup; } *nparams = ret.params.params_len; /* Deserialise the result. */ for (i = 0; i < *nparams; ++i) { if (virStrcpyStatic(params[i].field, ret.params.params_val[i].field) == NULL) { remoteError(VIR_ERR_INTERNAL_ERROR, _("Stats %s too big for destination"), ret.params.params_val[i].field); goto cleanup; } params[i].value = ret.params.params_val[i].value; } rv = 0; cleanup: xdr_free ((xdrproc_t) xdr_remote_node_get_cpu_stats_ret, (char *) &ret); done: remoteDriverUnlock(priv); return rv; } static int remoteNodeGetMemoryStats (virConnectPtr conn, int cellNum, virNodeMemoryStatsPtr params, int *nparams, unsigned int flags) { int rv = -1; remote_node_get_memory_stats_args args; remote_node_get_memory_stats_ret ret; int i = -1; struct private_data *priv = conn->privateData; remoteDriverLock(priv); args.nparams = *nparams; args.cellNum = cellNum; args.flags = flags; memset (&ret, 0, sizeof ret); if (call (conn, priv, 0, REMOTE_PROC_NODE_GET_MEMORY_STATS, (xdrproc_t) xdr_remote_node_get_memory_stats_args, (char *) &args, (xdrproc_t) xdr_remote_node_get_memory_stats_ret, (char *) &ret) == -1) goto done; /* Check the length of the returned list carefully. */ if (ret.params.params_len > REMOTE_NODE_MEMORY_STATS_MAX || ret.params.params_len > *nparams) { remoteError(VIR_ERR_RPC, "%s", _("remoteNodeGetMemoryStats: " "returned number of stats exceeds limit")); goto cleanup; } /* Handle the case when the caller does not know the number of stats * and is asking for the number of stats supported */ if (*nparams == 0) { *nparams = ret.nparams; rv = 0; goto cleanup; } *nparams = ret.params.params_len; /* Deserialise the result. */ for (i = 0; i < *nparams; ++i) { if (virStrcpyStatic(params[i].field, ret.params.params_val[i].field) == NULL) { remoteError(VIR_ERR_INTERNAL_ERROR, _("Stats %s too big for destination"), ret.params.params_val[i].field); goto cleanup; } params[i].value = ret.params.params_val[i].value; } rv = 0; cleanup: xdr_free ((xdrproc_t) xdr_remote_node_get_memory_stats_ret, (char *) &ret); done: remoteDriverUnlock(priv); return rv; } static int remoteNodeGetCellsFreeMemory(virConnectPtr conn, unsigned long long *freeMems, int startCell, int maxCells) { int rv = -1; remote_node_get_cells_free_memory_args args; remote_node_get_cells_free_memory_ret ret; int i; struct private_data *priv = conn->privateData; remoteDriverLock(priv); if (maxCells > REMOTE_NODE_MAX_CELLS) { remoteError(VIR_ERR_RPC, _("too many NUMA cells: %d > %d"), maxCells, REMOTE_NODE_MAX_CELLS); goto done; } args.startCell = startCell; args.maxcells = maxCells; memset (&ret, 0, sizeof ret); if (call (conn, priv, 0, REMOTE_PROC_NODE_GET_CELLS_FREE_MEMORY, (xdrproc_t) xdr_remote_node_get_cells_free_memory_args, (char *)&args, (xdrproc_t) xdr_remote_node_get_cells_free_memory_ret, (char *)&ret) == -1) goto done; for (i = 0 ; i < ret.cells.cells_len ; i++) freeMems[i] = ret.cells.cells_val[i]; xdr_free((xdrproc_t) xdr_remote_node_get_cells_free_memory_ret, (char *) &ret); rv = ret.cells.cells_len; done: remoteDriverUnlock(priv); return rv; } static int remoteListDomains (virConnectPtr conn, int *ids, int maxids) { int rv = -1; int i; remote_list_domains_args args; remote_list_domains_ret ret; struct private_data *priv = conn->privateData; remoteDriverLock(priv); if (maxids > REMOTE_DOMAIN_ID_LIST_MAX) { remoteError(VIR_ERR_RPC, _("too many remote domain IDs: %d > %d"), maxids, REMOTE_DOMAIN_ID_LIST_MAX); goto done; } args.maxids = maxids; memset (&ret, 0, sizeof ret); if (call (conn, priv, 0, REMOTE_PROC_LIST_DOMAINS, (xdrproc_t) xdr_remote_list_domains_args, (char *) &args, (xdrproc_t) xdr_remote_list_domains_ret, (char *) &ret) == -1) goto done; if (ret.ids.ids_len > maxids) { remoteError(VIR_ERR_RPC, _("too many remote domain IDs: %d > %d"), ret.ids.ids_len, maxids); goto cleanup; } for (i = 0; i < ret.ids.ids_len; ++i) ids[i] = ret.ids.ids_val[i]; rv = ret.ids.ids_len; cleanup: xdr_free ((xdrproc_t) xdr_remote_list_domains_ret, (char *) &ret); done: remoteDriverUnlock(priv); return rv; } /* Helper to serialize typed parameters. */ static int remoteSerializeTypedParameters(virTypedParameterPtr params, int nparams, remote_typed_param **args_params_val, u_int *args_params_len) { int i; int rv = -1; remote_typed_param *val; *args_params_len = nparams; if (VIR_ALLOC_N(val, nparams) < 0) { virReportOOMError(); goto cleanup; } for (i = 0; i < nparams; ++i) { /* call() will free this: */ val[i].field = strdup (params[i].field); if (val[i].field == NULL) { virReportOOMError(); goto cleanup; } val[i].value.type = params[i].type; switch (params[i].type) { case VIR_TYPED_PARAM_INT: val[i].value.remote_typed_param_value_u.i = params[i].value.i; break; case VIR_TYPED_PARAM_UINT: val[i].value.remote_typed_param_value_u.ui = params[i].value.ui; break; case VIR_TYPED_PARAM_LLONG: val[i].value.remote_typed_param_value_u.l = params[i].value.l; break; case VIR_TYPED_PARAM_ULLONG: val[i].value.remote_typed_param_value_u.ul = params[i].value.ul; break; case VIR_TYPED_PARAM_DOUBLE: val[i].value.remote_typed_param_value_u.d = params[i].value.d; break; case VIR_TYPED_PARAM_BOOLEAN: val[i].value.remote_typed_param_value_u.b = params[i].value.b; break; default: remoteError(VIR_ERR_RPC, _("unknown parameter type: %d"), params[i].type); goto cleanup; } } *args_params_val = val; val = NULL; rv = 0; cleanup: if (val) { for (i = 0; i < nparams; i++) VIR_FREE(val[i].field); VIR_FREE(val); } return rv; } /* Helper to deserialize typed parameters. */ static int remoteDeserializeTypedParameters(remote_typed_param *ret_params_val, u_int ret_params_len, int limit, virTypedParameterPtr params, int *nparams) { int i; int rv = -1; /* Check the length of the returned list carefully. */ if (ret_params_len > limit || ret_params_len > *nparams) { remoteError(VIR_ERR_RPC, "%s", _("returned number of parameters exceeds limit")); goto cleanup; } *nparams = ret_params_len; /* Deserialise the result. */ for (i = 0; i < ret_params_len; ++i) { if (virStrcpyStatic(params[i].field, ret_params_val[i].field) == NULL) { remoteError(VIR_ERR_INTERNAL_ERROR, _("Parameter %s too big for destination"), ret_params_val[i].field); goto cleanup; } params[i].type = ret_params_val[i].value.type; switch (params[i].type) { case VIR_TYPED_PARAM_INT: params[i].value.i = ret_params_val[i].value.remote_typed_param_value_u.i; break; case VIR_TYPED_PARAM_UINT: params[i].value.ui = ret_params_val[i].value.remote_typed_param_value_u.ui; break; case VIR_TYPED_PARAM_LLONG: params[i].value.l = ret_params_val[i].value.remote_typed_param_value_u.l; break; case VIR_TYPED_PARAM_ULLONG: params[i].value.ul = ret_params_val[i].value.remote_typed_param_value_u.ul; break; case VIR_TYPED_PARAM_DOUBLE: params[i].value.d = ret_params_val[i].value.remote_typed_param_value_u.d; break; case VIR_TYPED_PARAM_BOOLEAN: params[i].value.b = ret_params_val[i].value.remote_typed_param_value_u.b; break; default: remoteError(VIR_ERR_RPC, _("unknown parameter type: %d"), params[i].type); goto cleanup; } } rv = 0; cleanup: return rv; } static int remoteDomainGetMemoryParameters (virDomainPtr domain, virTypedParameterPtr params, int *nparams, unsigned int flags) { int rv = -1; remote_domain_get_memory_parameters_args args; remote_domain_get_memory_parameters_ret ret; struct private_data *priv = domain->conn->privateData; remoteDriverLock(priv); make_nonnull_domain (&args.dom, domain); args.nparams = *nparams; args.flags = flags; memset (&ret, 0, sizeof ret); if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_MEMORY_PARAMETERS, (xdrproc_t) xdr_remote_domain_get_memory_parameters_args, (char *) &args, (xdrproc_t) xdr_remote_domain_get_memory_parameters_ret, (char *) &ret) == -1) goto done; /* Handle the case when the caller does not know the number of parameters * and is asking for the number of parameters supported */ if (*nparams == 0) { *nparams = ret.nparams; rv = 0; goto cleanup; } if (remoteDeserializeTypedParameters(ret.params.params_val, ret.params.params_len, REMOTE_DOMAIN_MEMORY_PARAMETERS_MAX, params, nparams) < 0) goto cleanup; rv = 0; cleanup: xdr_free ((xdrproc_t) xdr_remote_domain_get_memory_parameters_ret, (char *) &ret); done: remoteDriverUnlock(priv); return rv; } static int remoteDomainGetBlkioParameters (virDomainPtr domain, virTypedParameterPtr params, int *nparams, unsigned int flags) { int rv = -1; remote_domain_get_blkio_parameters_args args; remote_domain_get_blkio_parameters_ret ret; struct private_data *priv = domain->conn->privateData; remoteDriverLock(priv); make_nonnull_domain (&args.dom, domain); args.nparams = *nparams; args.flags = flags; memset (&ret, 0, sizeof ret); if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_BLKIO_PARAMETERS, (xdrproc_t) xdr_remote_domain_get_blkio_parameters_args, (char *) &args, (xdrproc_t) xdr_remote_domain_get_blkio_parameters_ret, (char *) &ret) == -1) goto done; /* Handle the case when the caller does not know the number of parameters * and is asking for the number of parameters supported */ if (*nparams == 0) { *nparams = ret.nparams; rv = 0; goto cleanup; } if (remoteDeserializeTypedParameters(ret.params.params_val, ret.params.params_len, REMOTE_DOMAIN_BLKIO_PARAMETERS_MAX, params, nparams) < 0) goto cleanup; rv = 0; cleanup: xdr_free ((xdrproc_t) xdr_remote_domain_get_blkio_parameters_ret, (char *) &ret); done: remoteDriverUnlock(priv); return rv; } static int remoteDomainGetVcpuPinInfo (virDomainPtr domain, int ncpumaps, unsigned char *cpumaps, int maplen, unsigned int flags) { int rv = -1; int i; remote_domain_get_vcpu_pin_info_args args; remote_domain_get_vcpu_pin_info_ret ret; struct private_data *priv = domain->conn->privateData; remoteDriverLock(priv); if (ncpumaps > REMOTE_VCPUINFO_MAX) { remoteError(VIR_ERR_RPC, _("vCPU count exceeds maximum: %d > %d"), ncpumaps, REMOTE_VCPUINFO_MAX); goto done; } if (INT_MULTIPLY_OVERFLOW(ncpumaps, maplen) || ncpumaps * maplen > REMOTE_CPUMAPS_MAX) { remoteError(VIR_ERR_RPC, _("vCPU map buffer length exceeds maximum: %d > %d"), ncpumaps * maplen, REMOTE_CPUMAPS_MAX); goto done; } make_nonnull_domain (&args.dom, domain); args.ncpumaps = ncpumaps; args.maplen = maplen; args.flags = flags; memset (&ret, 0, sizeof ret); if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_VCPU_PIN_INFO, (xdrproc_t) xdr_remote_domain_get_vcpu_pin_info_args, (char *) &args, (xdrproc_t) xdr_remote_domain_get_vcpu_pin_info_ret, (char *) &ret) == -1) goto done; if (ret.num > ncpumaps) { remoteError(VIR_ERR_RPC, _("host reports too many vCPUs: %d > %d"), ret.num, ncpumaps); goto cleanup; } if (ret.cpumaps.cpumaps_len > ncpumaps * maplen) { remoteError(VIR_ERR_RPC, _("host reports map buffer length exceeds maximum: %d > %d"), ret.cpumaps.cpumaps_len, ncpumaps * maplen); goto cleanup; } memset (cpumaps, 0, ncpumaps * maplen); for (i = 0; i < ret.cpumaps.cpumaps_len; ++i) cpumaps[i] = ret.cpumaps.cpumaps_val[i]; rv = ret.num; cleanup: xdr_free ((xdrproc_t) xdr_remote_domain_get_vcpu_pin_info_ret, (char *) &ret); done: remoteDriverUnlock(priv); return rv; } static int remoteDomainGetVcpus (virDomainPtr domain, virVcpuInfoPtr info, int maxinfo, unsigned char *cpumaps, int maplen) { int rv = -1; int i; remote_domain_get_vcpus_args args; remote_domain_get_vcpus_ret ret; struct private_data *priv = domain->conn->privateData; remoteDriverLock(priv); if (maxinfo > REMOTE_VCPUINFO_MAX) { remoteError(VIR_ERR_RPC, _("vCPU count exceeds maximum: %d > %d"), maxinfo, REMOTE_VCPUINFO_MAX); goto done; } if (INT_MULTIPLY_OVERFLOW(maxinfo, maplen) || maxinfo * maplen > REMOTE_CPUMAPS_MAX) { remoteError(VIR_ERR_RPC, _("vCPU map buffer length exceeds maximum: %d > %d"), maxinfo * maplen, REMOTE_CPUMAPS_MAX); goto done; } make_nonnull_domain (&args.dom, domain); args.maxinfo = maxinfo; args.maplen = maplen; memset (&ret, 0, sizeof ret); if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_VCPUS, (xdrproc_t) xdr_remote_domain_get_vcpus_args, (char *) &args, (xdrproc_t) xdr_remote_domain_get_vcpus_ret, (char *) &ret) == -1) goto done; if (ret.info.info_len > maxinfo) { remoteError(VIR_ERR_RPC, _("host reports too many vCPUs: %d > %d"), ret.info.info_len, maxinfo); goto cleanup; } if (ret.cpumaps.cpumaps_len > maxinfo * maplen) { remoteError(VIR_ERR_RPC, _("host reports map buffer length exceeds maximum: %d > %d"), ret.cpumaps.cpumaps_len, maxinfo * maplen); goto cleanup; } memset (info, 0, sizeof (virVcpuInfo) * maxinfo); memset (cpumaps, 0, maxinfo * maplen); for (i = 0; i < ret.info.info_len; ++i) { info[i].number = ret.info.info_val[i].number; info[i].state = ret.info.info_val[i].state; info[i].cpuTime = ret.info.info_val[i].cpu_time; info[i].cpu = ret.info.info_val[i].cpu; } for (i = 0; i < ret.cpumaps.cpumaps_len; ++i) cpumaps[i] = ret.cpumaps.cpumaps_val[i]; rv = ret.info.info_len; cleanup: xdr_free ((xdrproc_t) xdr_remote_domain_get_vcpus_ret, (char *) &ret); done: remoteDriverUnlock(priv); return rv; } static int remoteDomainGetSecurityLabel (virDomainPtr domain, virSecurityLabelPtr seclabel) { remote_domain_get_security_label_args args; remote_domain_get_security_label_ret ret; struct private_data *priv = domain->conn->privateData; int rv = -1; remoteDriverLock(priv); make_nonnull_domain (&args.dom, domain); memset (&ret, 0, sizeof ret); memset (seclabel, 0, sizeof (*seclabel)); if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_SECURITY_LABEL, (xdrproc_t) xdr_remote_domain_get_security_label_args, (char *)&args, (xdrproc_t) xdr_remote_domain_get_security_label_ret, (char *)&ret) == -1) { goto done; } if (ret.label.label_val != NULL) { if (strlen (ret.label.label_val) >= sizeof seclabel->label) { remoteError(VIR_ERR_RPC, _("security label exceeds maximum: %zd"), sizeof seclabel->label - 1); goto cleanup; } strcpy (seclabel->label, ret.label.label_val); seclabel->enforcing = ret.enforcing; } rv = 0; cleanup: xdr_free((xdrproc_t) xdr_remote_domain_get_security_label_ret, (char *)&ret); done: remoteDriverUnlock(priv); return rv; } static int remoteDomainGetState(virDomainPtr domain, int *state, int *reason, unsigned int flags) { int rv = -1; remote_domain_get_state_args args; remote_domain_get_state_ret ret; struct private_data *priv = domain->conn->privateData; remoteDriverLock(priv); make_nonnull_domain(&args.dom, domain); args.flags = flags; memset(&ret, 0, sizeof ret); if (call(domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_STATE, (xdrproc_t) xdr_remote_domain_get_state_args, (char *) &args, (xdrproc_t) xdr_remote_domain_get_state_ret, (char *) &ret) == -1) goto done; *state = ret.state; if (reason) *reason = ret.reason; rv = 0; done: remoteDriverUnlock(priv); return rv; } static int remoteNodeGetSecurityModel (virConnectPtr conn, virSecurityModelPtr secmodel) { remote_node_get_security_model_ret ret; struct private_data *priv = conn->privateData; int rv = -1; remoteDriverLock(priv); memset (&ret, 0, sizeof ret); memset (secmodel, 0, sizeof (*secmodel)); if (call (conn, priv, 0, REMOTE_PROC_NODE_GET_SECURITY_MODEL, (xdrproc_t) xdr_void, NULL, (xdrproc_t) xdr_remote_node_get_security_model_ret, (char *)&ret) == -1) { goto done; } if (ret.model.model_val != NULL) { if (strlen (ret.model.model_val) >= sizeof secmodel->model) { remoteError(VIR_ERR_RPC, _("security model exceeds maximum: %zd"), sizeof secmodel->model - 1); goto cleanup; } strcpy (secmodel->model, ret.model.model_val); } if (ret.doi.doi_val != NULL) { if (strlen (ret.doi.doi_val) >= sizeof secmodel->doi) { remoteError(VIR_ERR_RPC, _("security doi exceeds maximum: %zd"), sizeof secmodel->doi - 1); goto cleanup; } strcpy (secmodel->doi, ret.doi.doi_val); } rv = 0; cleanup: xdr_free((xdrproc_t) xdr_remote_node_get_security_model_ret, (char *)&ret); done: remoteDriverUnlock(priv); return rv; } static int remoteDomainMigratePrepare (virConnectPtr dconn, char **cookie, int *cookielen, const char *uri_in, char **uri_out, unsigned long flags, const char *dname, unsigned long resource) { int rv = -1; remote_domain_migrate_prepare_args args; remote_domain_migrate_prepare_ret ret; struct private_data *priv = dconn->privateData; remoteDriverLock(priv); args.uri_in = uri_in == NULL ? NULL : (char **) &uri_in; args.flags = flags; args.dname = dname == NULL ? NULL : (char **) &dname; args.resource = resource; memset (&ret, 0, sizeof ret); if (call (dconn, priv, 0, REMOTE_PROC_DOMAIN_MIGRATE_PREPARE, (xdrproc_t) xdr_remote_domain_migrate_prepare_args, (char *) &args, (xdrproc_t) xdr_remote_domain_migrate_prepare_ret, (char *) &ret) == -1) goto done; if (ret.cookie.cookie_len > 0) { *cookie = ret.cookie.cookie_val; /* Caller frees. */ *cookielen = ret.cookie.cookie_len; } if (ret.uri_out) *uri_out = *ret.uri_out; /* Caller frees. */ rv = 0; done: remoteDriverUnlock(priv); return rv; } static int remoteDomainMigratePrepare2 (virConnectPtr dconn, char **cookie, int *cookielen, const char *uri_in, char **uri_out, unsigned long flags, const char *dname, unsigned long resource, const char *dom_xml) { int rv = -1; remote_domain_migrate_prepare2_args args; remote_domain_migrate_prepare2_ret ret; struct private_data *priv = dconn->privateData; remoteDriverLock(priv); args.uri_in = uri_in == NULL ? NULL : (char **) &uri_in; args.flags = flags; args.dname = dname == NULL ? NULL : (char **) &dname; args.resource = resource; args.dom_xml = (char *) dom_xml; memset (&ret, 0, sizeof ret); if (call (dconn, priv, 0, REMOTE_PROC_DOMAIN_MIGRATE_PREPARE2, (xdrproc_t) xdr_remote_domain_migrate_prepare2_args, (char *) &args, (xdrproc_t) xdr_remote_domain_migrate_prepare2_ret, (char *) &ret) == -1) goto done; if (ret.cookie.cookie_len > 0) { if (!cookie || !cookielen) { remoteError(VIR_ERR_INTERNAL_ERROR, "%s", _("caller ignores cookie or cookielen")); goto error; } *cookie = ret.cookie.cookie_val; /* Caller frees. */ *cookielen = ret.cookie.cookie_len; } if (ret.uri_out) { if (!uri_out) { remoteError(VIR_ERR_INTERNAL_ERROR, "%s", _("caller ignores uri_out")); goto error; } *uri_out = *ret.uri_out; /* Caller frees. */ } rv = 0; done: remoteDriverUnlock(priv); return rv; error: if (ret.cookie.cookie_len) VIR_FREE(ret.cookie.cookie_val); if (ret.uri_out) VIR_FREE(*ret.uri_out); goto done; } static int remoteDomainCreate (virDomainPtr domain) { int rv = -1; remote_domain_create_args args; remote_domain_lookup_by_uuid_args args2; remote_domain_lookup_by_uuid_ret ret2; struct private_data *priv = domain->conn->privateData; remoteDriverLock(priv); make_nonnull_domain (&args.dom, domain); if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_CREATE, (xdrproc_t) xdr_remote_domain_create_args, (char *) &args, (xdrproc_t) xdr_void, (char *) NULL) == -1) goto done; /* Need to do a lookup figure out ID of newly started guest, because * bug in design of REMOTE_PROC_DOMAIN_CREATE means we aren't getting * it returned. */ memcpy (args2.uuid, domain->uuid, VIR_UUID_BUFLEN); memset (&ret2, 0, sizeof ret2); if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_LOOKUP_BY_UUID, (xdrproc_t) xdr_remote_domain_lookup_by_uuid_args, (char *) &args2, (xdrproc_t) xdr_remote_domain_lookup_by_uuid_ret, (char *) &ret2) == -1) goto done; domain->id = ret2.dom.id; xdr_free ((xdrproc_t) &xdr_remote_domain_lookup_by_uuid_ret, (char *) &ret2); rv = 0; done: remoteDriverUnlock(priv); return rv; } static char * remoteDomainGetSchedulerType (virDomainPtr domain, int *nparams) { char *rv = NULL; remote_domain_get_scheduler_type_args args; remote_domain_get_scheduler_type_ret ret; struct private_data *priv = domain->conn->privateData; remoteDriverLock(priv); make_nonnull_domain (&args.dom, domain); memset (&ret, 0, sizeof ret); if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_SCHEDULER_TYPE, (xdrproc_t) xdr_remote_domain_get_scheduler_type_args, (char *) &args, (xdrproc_t) xdr_remote_domain_get_scheduler_type_ret, (char *) &ret) == -1) goto done; if (nparams) *nparams = ret.nparams; /* Caller frees this. */ rv = ret.type; done: remoteDriverUnlock(priv); return rv; } static int remoteDomainMemoryStats (virDomainPtr domain, struct _virDomainMemoryStat *stats, unsigned int nr_stats, unsigned int flags) { int rv = -1; remote_domain_memory_stats_args args; remote_domain_memory_stats_ret ret; struct private_data *priv = domain->conn->privateData; unsigned int i; remoteDriverLock(priv); make_nonnull_domain (&args.dom, domain); if (nr_stats > REMOTE_DOMAIN_MEMORY_STATS_MAX) { remoteError(VIR_ERR_RPC, _("too many memory stats requested: %d > %d"), nr_stats, REMOTE_DOMAIN_MEMORY_STATS_MAX); goto done; } args.maxStats = nr_stats; args.flags = flags; memset (&ret, 0, sizeof ret); if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_MEMORY_STATS, (xdrproc_t) xdr_remote_domain_memory_stats_args, (char *) &args, (xdrproc_t) xdr_remote_domain_memory_stats_ret, (char *) &ret) == -1) goto done; for (i = 0; i < ret.stats.stats_len; i++) { stats[i].tag = ret.stats.stats_val[i].tag; stats[i].val = ret.stats.stats_val[i].val; } rv = ret.stats.stats_len; xdr_free((xdrproc_t) xdr_remote_domain_memory_stats_ret, (char *) &ret); done: remoteDriverUnlock(priv); return rv; } static int remoteDomainBlockPeek (virDomainPtr domain, const char *path, unsigned long long offset, size_t size, void *buffer, unsigned int flags) { int rv = -1; remote_domain_block_peek_args args; remote_domain_block_peek_ret ret; struct private_data *priv = domain->conn->privateData; remoteDriverLock(priv); if (size > REMOTE_DOMAIN_BLOCK_PEEK_BUFFER_MAX) { remoteError(VIR_ERR_RPC, _("block peek request too large for remote protocol, %zi > %d"), size, REMOTE_DOMAIN_BLOCK_PEEK_BUFFER_MAX); goto done; } make_nonnull_domain (&args.dom, domain); args.path = (char *) path; args.offset = offset; args.size = size; args.flags = flags; memset (&ret, 0, sizeof ret); if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_BLOCK_PEEK, (xdrproc_t) xdr_remote_domain_block_peek_args, (char *) &args, (xdrproc_t) xdr_remote_domain_block_peek_ret, (char *) &ret) == -1) goto done; if (ret.buffer.buffer_len != size) { remoteError(VIR_ERR_RPC, "%s", _("returned buffer is not same size as requested")); goto cleanup; } memcpy (buffer, ret.buffer.buffer_val, size); rv = 0; cleanup: VIR_FREE(ret.buffer.buffer_val); done: remoteDriverUnlock(priv); return rv; } static int remoteDomainMemoryPeek (virDomainPtr domain, unsigned long long offset, size_t size, void *buffer, unsigned int flags) { int rv = -1; remote_domain_memory_peek_args args; remote_domain_memory_peek_ret ret; struct private_data *priv = domain->conn->privateData; remoteDriverLock(priv); if (size > REMOTE_DOMAIN_MEMORY_PEEK_BUFFER_MAX) { remoteError(VIR_ERR_RPC, _("memory peek request too large for remote protocol, %zi > %d"), size, REMOTE_DOMAIN_MEMORY_PEEK_BUFFER_MAX); goto done; } make_nonnull_domain (&args.dom, domain); args.offset = offset; args.size = size; args.flags = flags; memset (&ret, 0, sizeof ret); if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_MEMORY_PEEK, (xdrproc_t) xdr_remote_domain_memory_peek_args, (char *) &args, (xdrproc_t) xdr_remote_domain_memory_peek_ret, (char *) &ret) == -1) goto done; if (ret.buffer.buffer_len != size) { remoteError(VIR_ERR_RPC, "%s", _("returned buffer is not same size as requested")); goto cleanup; } memcpy (buffer, ret.buffer.buffer_val, size); rv = 0; cleanup: VIR_FREE(ret.buffer.buffer_val); done: remoteDriverUnlock(priv); return rv; } static int remoteDomainGetBlockJobInfo(virDomainPtr domain, const char *path, virDomainBlockJobInfoPtr info, unsigned int flags) { int rv = -1; remote_domain_get_block_job_info_args args; remote_domain_get_block_job_info_ret ret; struct private_data *priv = domain->conn->privateData; remoteDriverLock(priv); make_nonnull_domain(&args.dom, domain); args.path = (char *)path; args.flags = flags; if (call(domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_BLOCK_JOB_INFO, (xdrproc_t)xdr_remote_domain_get_block_job_info_args, (char *)&args, (xdrproc_t)xdr_remote_domain_get_block_job_info_ret, (char *)&ret) == -1) goto done; if (ret.found) { info->type = ret.type; info->bandwidth = ret.bandwidth; info->cur = ret.cur; info->end = ret.end; rv = 1; } else { rv = 0; } done: remoteDriverUnlock(priv); return rv; } /*----------------------------------------------------------------------*/ static virDrvOpenStatus ATTRIBUTE_NONNULL (1) remoteGenericOpen(virConnectPtr conn, virConnectAuthPtr auth, unsigned int flags, void **genericPrivateData) { if (inside_daemon) return VIR_DRV_OPEN_DECLINED; if (conn->driver && STREQ (conn->driver->name, "remote")) { struct private_data *priv; /* If we're here, the remote driver is already * in use due to a) a QEMU uri, or b) a remote * URI. So we can re-use existing connection */ priv = conn->privateData; remoteDriverLock(priv); priv->localUses++; *genericPrivateData = priv; remoteDriverUnlock(priv); return VIR_DRV_OPEN_SUCCESS; } else if (conn->networkDriver && STREQ (conn->networkDriver->name, "remote")) { struct private_data *priv = conn->networkPrivateData; remoteDriverLock(priv); *genericPrivateData = priv; priv->localUses++; remoteDriverUnlock(priv); return VIR_DRV_OPEN_SUCCESS; } else { /* Using a non-remote driver, so we need to open a * new connection for network APIs, forcing it to * use the UNIX transport. This handles Xen driver * which doesn't have its own impl of the network APIs. */ struct private_data *priv; int ret = remoteOpenSecondaryDriver(conn, auth, flags, &priv); *genericPrivateData = priv; return ret; } } static int remoteGenericClose(virConnectPtr conn, void **genericPrivateData) { int rv = 0; struct private_data *priv = *genericPrivateData; remoteDriverLock(priv); priv->localUses--; if (!priv->localUses) { rv = doRemoteClose(conn, priv); *genericPrivateData = NULL; remoteDriverUnlock(priv); virMutexDestroy(&priv->lock); VIR_FREE(priv); } if (priv) remoteDriverUnlock(priv); return rv; } static virDrvOpenStatus ATTRIBUTE_NONNULL (1) remoteNetworkOpen(virConnectPtr conn, virConnectAuthPtr auth, unsigned int flags) { return remoteGenericOpen(conn, auth, flags, &conn->networkPrivateData); } static int remoteNetworkClose(virConnectPtr conn) { return remoteGenericClose(conn, &conn->networkPrivateData); } /*----------------------------------------------------------------------*/ static virDrvOpenStatus ATTRIBUTE_NONNULL (1) remoteInterfaceOpen(virConnectPtr conn, virConnectAuthPtr auth, unsigned int flags) { return remoteGenericOpen(conn, auth, flags, &conn->interfacePrivateData); } static int remoteInterfaceClose(virConnectPtr conn) { return remoteGenericClose(conn, &conn->interfacePrivateData); } /*----------------------------------------------------------------------*/ static virDrvOpenStatus ATTRIBUTE_NONNULL (1) remoteStorageOpen(virConnectPtr conn, virConnectAuthPtr auth, unsigned int flags) { return remoteGenericOpen(conn, auth, flags, &conn->storagePrivateData); } static int remoteStorageClose(virConnectPtr conn) { return remoteGenericClose(conn, &conn->storagePrivateData); } static char * remoteFindStoragePoolSources (virConnectPtr conn, const char *type, const char *srcSpec, unsigned int flags) { char *rv = NULL; remote_find_storage_pool_sources_args args; remote_find_storage_pool_sources_ret ret; struct private_data *priv = conn->storagePrivateData; const char *emptyString = ""; remoteDriverLock(priv); args.type = (char*)type; /* * I'd think the following would work here: * args.srcSpec = (char**)&srcSpec; * since srcSpec is a remote_string (not a remote_nonnull_string). * * But when srcSpec is NULL, this yields: * libvir: Remote error : marshaling args * * So for now I'm working around this by turning NULL srcSpecs * into empty strings. */ args.srcSpec = srcSpec ? (char **)&srcSpec : (char **)&emptyString; args.flags = flags; memset (&ret, 0, sizeof ret); if (call (conn, priv, 0, REMOTE_PROC_FIND_STORAGE_POOL_SOURCES, (xdrproc_t) xdr_remote_find_storage_pool_sources_args, (char *) &args, (xdrproc_t) xdr_remote_find_storage_pool_sources_ret, (char *) &ret) == -1) goto done; rv = ret.xml; ret.xml = NULL; /* To stop xdr_free free'ing it */ xdr_free ((xdrproc_t) xdr_remote_find_storage_pool_sources_ret, (char *) &ret); done: remoteDriverUnlock(priv); return rv; } /*----------------------------------------------------------------------*/ static virDrvOpenStatus ATTRIBUTE_NONNULL (1) remoteDevMonOpen(virConnectPtr conn, virConnectAuthPtr auth, unsigned int flags) { return remoteGenericOpen(conn, auth, flags, &conn->devMonPrivateData); } static int remoteDevMonClose(virConnectPtr conn) { return remoteGenericClose(conn, &conn->devMonPrivateData); } static int remoteNodeDeviceDettach (virNodeDevicePtr dev) { int rv = -1; remote_node_device_dettach_args args; /* This method is unusual in that it uses the HV driver, not the devMon driver * hence its use of privateData, instead of devMonPrivateData */ struct private_data *priv = dev->conn->privateData; remoteDriverLock(priv); args.name = dev->name; if (call (dev->conn, priv, 0, REMOTE_PROC_NODE_DEVICE_DETTACH, (xdrproc_t) xdr_remote_node_device_dettach_args, (char *) &args, (xdrproc_t) xdr_void, (char *) NULL) == -1) goto done; rv = 0; done: remoteDriverUnlock(priv); return rv; } static int remoteNodeDeviceReAttach (virNodeDevicePtr dev) { int rv = -1; remote_node_device_re_attach_args args; /* This method is unusual in that it uses the HV driver, not the devMon driver * hence its use of privateData, instead of devMonPrivateData */ struct private_data *priv = dev->conn->privateData; remoteDriverLock(priv); args.name = dev->name; if (call (dev->conn, priv, 0, REMOTE_PROC_NODE_DEVICE_RE_ATTACH, (xdrproc_t) xdr_remote_node_device_re_attach_args, (char *) &args, (xdrproc_t) xdr_void, (char *) NULL) == -1) goto done; rv = 0; done: remoteDriverUnlock(priv); return rv; } static int remoteNodeDeviceReset (virNodeDevicePtr dev) { int rv = -1; remote_node_device_reset_args args; /* This method is unusual in that it uses the HV driver, not the devMon driver * hence its use of privateData, instead of devMonPrivateData */ struct private_data *priv = dev->conn->privateData; remoteDriverLock(priv); args.name = dev->name; if (call (dev->conn, priv, 0, REMOTE_PROC_NODE_DEVICE_RESET, (xdrproc_t) xdr_remote_node_device_reset_args, (char *) &args, (xdrproc_t) xdr_void, (char *) NULL) == -1) goto done; rv = 0; done: remoteDriverUnlock(priv); return rv; } /* ------------------------------------------------------------- */ static virDrvOpenStatus ATTRIBUTE_NONNULL (1) remoteNWFilterOpen(virConnectPtr conn, virConnectAuthPtr auth, unsigned int flags) { return remoteGenericOpen(conn, auth, flags, &conn->nwfilterPrivateData); } static int remoteNWFilterClose(virConnectPtr conn) { return remoteGenericClose(conn, &conn->nwfilterPrivateData); } /*----------------------------------------------------------------------*/ static int remoteAuthenticate (virConnectPtr conn, struct private_data *priv, virConnectAuthPtr auth ATTRIBUTE_UNUSED, const char *authtype) { struct remote_auth_list_ret ret; int err, type = REMOTE_AUTH_NONE; memset(&ret, 0, sizeof ret); err = call (conn, priv, 0, REMOTE_PROC_AUTH_LIST, (xdrproc_t) xdr_void, (char *) NULL, (xdrproc_t) xdr_remote_auth_list_ret, (char *) &ret); if (err < 0) { virErrorPtr verr = virGetLastError(); if (verr && verr->code == VIR_ERR_NO_SUPPORT) { /* Missing RPC - old server - ignore */ virResetLastError(); return 0; } return -1; } if (ret.types.types_len == 0) return 0; if (authtype) { int want, i; if (STRCASEEQ(authtype, "sasl") || STRCASEEQLEN(authtype, "sasl.", 5)) { want = REMOTE_AUTH_SASL; } else if (STRCASEEQ(authtype, "polkit")) { want = REMOTE_AUTH_POLKIT; } else { remoteError(VIR_ERR_AUTH_FAILED, _("unknown authentication type %s"), authtype); return -1; } for (i = 0 ; i < ret.types.types_len ; i++) { if (ret.types.types_val[i] == want) type = want; } if (type == REMOTE_AUTH_NONE) { remoteError(VIR_ERR_AUTH_FAILED, _("requested authentication type %s rejected"), authtype); return -1; } } else { type = ret.types.types_val[0]; } switch (type) { #if HAVE_SASL case REMOTE_AUTH_SASL: { const char *mech = NULL; if (authtype && STRCASEEQLEN(authtype, "sasl.", 5)) mech = authtype + 5; if (remoteAuthSASL(conn, priv, auth, mech) < 0) { VIR_FREE(ret.types.types_val); return -1; } break; } #endif #if HAVE_POLKIT case REMOTE_AUTH_POLKIT: if (remoteAuthPolkit(conn, priv, auth) < 0) { VIR_FREE(ret.types.types_val); return -1; } break; #endif case REMOTE_AUTH_NONE: /* Nothing todo, hurrah ! */ break; default: remoteError(VIR_ERR_AUTH_FAILED, _("unsupported authentication type %d"), ret.types.types_val[0]); VIR_FREE(ret.types.types_val); return -1; } VIR_FREE(ret.types.types_val); return 0; } #if HAVE_SASL static int remoteAuthCredVir2SASL(int vircred) { switch (vircred) { case VIR_CRED_USERNAME: return SASL_CB_USER; case VIR_CRED_AUTHNAME: return SASL_CB_AUTHNAME; case VIR_CRED_LANGUAGE: return SASL_CB_LANGUAGE; case VIR_CRED_CNONCE: return SASL_CB_CNONCE; case VIR_CRED_PASSPHRASE: return SASL_CB_PASS; case VIR_CRED_ECHOPROMPT: return SASL_CB_ECHOPROMPT; case VIR_CRED_NOECHOPROMPT: return SASL_CB_NOECHOPROMPT; case VIR_CRED_REALM: return SASL_CB_GETREALM; } return 0; } static int remoteAuthCredSASL2Vir(int vircred) { switch (vircred) { case SASL_CB_USER: return VIR_CRED_USERNAME; case SASL_CB_AUTHNAME: return VIR_CRED_AUTHNAME; case SASL_CB_LANGUAGE: return VIR_CRED_LANGUAGE; case SASL_CB_CNONCE: return VIR_CRED_CNONCE; case SASL_CB_PASS: return VIR_CRED_PASSPHRASE; case SASL_CB_ECHOPROMPT: return VIR_CRED_ECHOPROMPT; case SASL_CB_NOECHOPROMPT: return VIR_CRED_NOECHOPROMPT; case SASL_CB_GETREALM: return VIR_CRED_REALM; } return 0; } /* * @param credtype array of credential types client supports * @param ncredtype size of credtype array * @return the SASL callback structure, or NULL on error * * Build up the SASL callback structure. We register one callback for * each credential type that the libvirt client indicated they support. * We explicitly leav the callback function pointer at NULL though, * because we don't actually want to get SASL callbacks triggered. * Instead, we want the start/step functions to return SASL_INTERACT. * This lets us give the libvirt client a list of all required * credentials in one go, rather than triggering the callback one * credential at a time, */ static sasl_callback_t *remoteAuthMakeCallbacks(int *credtype, int ncredtype) { sasl_callback_t *cbs; int i, n; if (VIR_ALLOC_N(cbs, ncredtype+1) < 0) { return NULL; } for (i = 0, n = 0 ; i < ncredtype ; i++) { int id = remoteAuthCredVir2SASL(credtype[i]); if (id != 0) cbs[n++].id = id; /* Don't fill proc or context fields of sasl_callback_t * because we want to use interactions instead */ } cbs[n].id = 0; return cbs; } /* * @param interact SASL interactions required * @param cred populated with libvirt credential metadata * @return the size of the cred array returned * * Builds up an array of libvirt credential structs, populating * with data from the SASL interaction struct. These two structs * are basically a 1-to-1 copy of each other. */ static int remoteAuthMakeCredentials(sasl_interact_t *interact, virConnectCredentialPtr *cred) { int ninteract; if (!cred) return -1; for (ninteract = 0 ; interact[ninteract].id != 0 ; ninteract++) ; /* empty */ if (VIR_ALLOC_N(*cred, ninteract) < 0) return -1; for (ninteract = 0 ; interact[ninteract].id != 0 ; ninteract++) { (*cred)[ninteract].type = remoteAuthCredSASL2Vir(interact[ninteract].id); if (!(*cred)[ninteract].type) { VIR_FREE(*cred); return -1; } if (interact[ninteract].challenge) (*cred)[ninteract].challenge = interact[ninteract].challenge; (*cred)[ninteract].prompt = interact[ninteract].prompt; if (interact[ninteract].defresult) (*cred)[ninteract].defresult = interact[ninteract].defresult; (*cred)[ninteract].result = NULL; } return ninteract; } static void remoteAuthFreeCredentials(virConnectCredentialPtr cred, int ncred) { int i; for (i = 0 ; i < ncred ; i++) VIR_FREE(cred[i].result); VIR_FREE(cred); } /* * @param cred the populated libvirt credentials * @param interact the SASL interactions to fill in results for * * Fills the SASL interactions with the result from the libvirt * callbacks */ static void remoteAuthFillInteract(virConnectCredentialPtr cred, sasl_interact_t *interact) { int ninteract; for (ninteract = 0 ; interact[ninteract].id != 0 ; ninteract++) { interact[ninteract].result = cred[ninteract].result; interact[ninteract].len = cred[ninteract].resultlen; } } /* Perform the SASL authentication process */ static int remoteAuthSASL (virConnectPtr conn, struct private_data *priv, virConnectAuthPtr auth, const char *wantmech) { remote_auth_sasl_init_ret iret; remote_auth_sasl_start_args sargs; remote_auth_sasl_start_ret sret; remote_auth_sasl_step_args pargs; remote_auth_sasl_step_ret pret; const char *clientout; char *serverin = NULL; size_t clientoutlen, serverinlen; const char *mech; int err, complete; int ssf; sasl_callback_t *saslcb = NULL; sasl_interact_t *interact = NULL; virConnectCredentialPtr cred = NULL; int ncred = 0; int ret = -1; const char *mechlist; virNetSASLContextPtr saslCtxt; virNetSASLSessionPtr sasl = NULL; VIR_DEBUG("Client initialize SASL authentication"); if (!(saslCtxt = virNetSASLContextNewClient())) goto cleanup; if (auth) { if ((saslcb = remoteAuthMakeCallbacks(auth->credtype, auth->ncredtype)) == NULL) goto cleanup; } else { saslcb = NULL; } /* Setup a handle for being a client */ if (!(sasl = virNetSASLSessionNewClient(saslCtxt, "libvirt", priv->hostname, virNetClientLocalAddrString(priv->client), virNetClientRemoteAddrString(priv->client), saslcb))) goto cleanup; /* Initialize some connection props we care about */ if (priv->tls) { if ((ssf = virNetClientGetTLSKeySize(priv->client)) < 0) goto cleanup; ssf *= 8; /* key size is bytes, sasl wants bits */ VIR_DEBUG("Setting external SSF %d", ssf); if (virNetSASLSessionExtKeySize(sasl, ssf) < 0) goto cleanup; } /* If we've got a secure channel (TLS or UNIX sock), we don't care about SSF */ /* If we're not secure, then forbid any anonymous or trivially crackable auth */ if (virNetSASLSessionSecProps(sasl, priv->is_secure ? 0 : 56, /* Equiv to DES supported by all Kerberos */ priv->is_secure ? 0 : 100000, /* Very strong ! AES == 256 */ priv->is_secure ? true : false) < 0) goto cleanup; /* First call is to inquire about supported mechanisms in the server */ memset (&iret, 0, sizeof iret); if (call (conn, priv, 0, REMOTE_PROC_AUTH_SASL_INIT, (xdrproc_t) xdr_void, (char *)NULL, (xdrproc_t) xdr_remote_auth_sasl_init_ret, (char *) &iret) != 0) goto cleanup; mechlist = iret.mechlist; if (wantmech) { if (strstr(mechlist, wantmech) == NULL) { remoteError(VIR_ERR_AUTH_FAILED, _("SASL mechanism %s not supported by server"), wantmech); VIR_FREE(iret.mechlist); goto cleanup; } mechlist = wantmech; } restart: /* Start the auth negotiation on the client end first */ VIR_DEBUG("Client start negotiation mechlist '%s'", mechlist); if ((err = virNetSASLSessionClientStart(sasl, mechlist, &interact, &clientout, &clientoutlen, &mech)) < 0) goto cleanup; /* Need to gather some credentials from the client */ if (err == VIR_NET_SASL_INTERACT) { const char *msg; if (cred) { remoteAuthFreeCredentials(cred, ncred); cred = NULL; } if ((ncred = remoteAuthMakeCredentials(interact, &cred)) < 0) { remoteError(VIR_ERR_AUTH_FAILED, "%s", _("Failed to make auth credentials")); VIR_FREE(iret.mechlist); goto cleanup; } /* Run the authentication callback */ if (auth && auth->cb) { if ((*(auth->cb))(cred, ncred, auth->cbdata) >= 0) { remoteAuthFillInteract(cred, interact); goto restart; } msg = "Failed to collect auth credentials"; } else { msg = "No authentication callback available"; } remoteError(VIR_ERR_AUTH_FAILED, "%s", msg); goto cleanup; } VIR_FREE(iret.mechlist); if (clientoutlen > REMOTE_AUTH_SASL_DATA_MAX) { remoteError(VIR_ERR_AUTH_FAILED, _("SASL negotiation data too long: %zu bytes"), clientoutlen); goto cleanup; } /* NB, distinction of NULL vs "" is *critical* in SASL */ memset(&sargs, 0, sizeof sargs); sargs.nil = clientout ? 0 : 1; sargs.data.data_val = (char*)clientout; sargs.data.data_len = clientoutlen; sargs.mech = (char*)mech; VIR_DEBUG("Server start negotiation with mech %s. Data %zu bytes %p", mech, clientoutlen, clientout); /* Now send the initial auth data to the server */ memset (&sret, 0, sizeof sret); if (call (conn, priv, 0, REMOTE_PROC_AUTH_SASL_START, (xdrproc_t) xdr_remote_auth_sasl_start_args, (char *) &sargs, (xdrproc_t) xdr_remote_auth_sasl_start_ret, (char *) &sret) != 0) goto cleanup; complete = sret.complete; /* NB, distinction of NULL vs "" is *critical* in SASL */ serverin = sret.nil ? NULL : sret.data.data_val; serverinlen = sret.data.data_len; VIR_DEBUG("Client step result complete: %d. Data %zu bytes %p", complete, serverinlen, serverin); /* Loop-the-loop... * Even if the server has completed, the client must *always* do at least one step * in this loop to verify the server isn't lying about something. Mutual auth */ for (;;) { restep: if ((err = virNetSASLSessionClientStep(sasl, serverin, serverinlen, &interact, &clientout, &clientoutlen)) < 0) goto cleanup; /* Need to gather some credentials from the client */ if (err == VIR_NET_SASL_INTERACT) { const char *msg; if (cred) { remoteAuthFreeCredentials(cred, ncred); cred = NULL; } if ((ncred = remoteAuthMakeCredentials(interact, &cred)) < 0) { remoteError(VIR_ERR_AUTH_FAILED, "%s", _("Failed to make auth credentials")); goto cleanup; } /* Run the authentication callback */ if (auth && auth->cb) { if ((*(auth->cb))(cred, ncred, auth->cbdata) >= 0) { remoteAuthFillInteract(cred, interact); goto restep; } msg = _("Failed to collect auth credentials"); } else { msg = _("No authentication callback available"); } remoteError(VIR_ERR_AUTH_FAILED, "%s", msg); goto cleanup; } VIR_FREE(serverin); VIR_DEBUG("Client step result %d. Data %zu bytes %p", err, clientoutlen, clientout); /* Previous server call showed completion & we're now locally complete too */ if (complete && err == VIR_NET_SASL_COMPLETE) break; /* Not done, prepare to talk with the server for another iteration */ /* NB, distinction of NULL vs "" is *critical* in SASL */ memset(&pargs, 0, sizeof pargs); pargs.nil = clientout ? 0 : 1; pargs.data.data_val = (char*)clientout; pargs.data.data_len = clientoutlen; VIR_DEBUG("Server step with %zu bytes %p", clientoutlen, clientout); memset (&pret, 0, sizeof pret); if (call (conn, priv, 0, REMOTE_PROC_AUTH_SASL_STEP, (xdrproc_t) xdr_remote_auth_sasl_step_args, (char *) &pargs, (xdrproc_t) xdr_remote_auth_sasl_step_ret, (char *) &pret) != 0) goto cleanup; complete = pret.complete; /* NB, distinction of NULL vs "" is *critical* in SASL */ serverin = pret.nil ? NULL : pret.data.data_val; serverinlen = pret.data.data_len; VIR_DEBUG("Client step result complete: %d. Data %zu bytes %p", complete, serverinlen, serverin); /* This server call shows complete, and earlier client step was OK */ if (complete && err == VIR_NET_SASL_COMPLETE) { VIR_FREE(serverin); break; } } /* Check for suitable SSF if not already secure (TLS or UNIX sock) */ if (!priv->is_secure) { if ((ssf = virNetSASLSessionGetKeySize(sasl)) < 0) goto cleanup; VIR_DEBUG("SASL SSF value %d", ssf); if (ssf < 56) { /* 56 == DES level, good for Kerberos */ remoteError(VIR_ERR_AUTH_FAILED, _("negotiation SSF %d was not strong enough"), ssf); goto cleanup; } priv->is_secure = 1; } VIR_DEBUG("SASL authentication complete"); virNetClientSetSASLSession(priv->client, sasl); ret = 0; cleanup: VIR_FREE(serverin); VIR_FREE(saslcb); remoteAuthFreeCredentials(cred, ncred); virNetSASLSessionFree(sasl); virNetSASLContextFree(saslCtxt); return ret; } #endif /* HAVE_SASL */ #if HAVE_POLKIT # if HAVE_POLKIT1 static int remoteAuthPolkit (virConnectPtr conn, struct private_data *priv, virConnectAuthPtr auth ATTRIBUTE_UNUSED) { remote_auth_polkit_ret ret; VIR_DEBUG("Client initialize PolicyKit-1 authentication"); memset (&ret, 0, sizeof ret); if (call (conn, priv, 0, REMOTE_PROC_AUTH_POLKIT, (xdrproc_t) xdr_void, (char *)NULL, (xdrproc_t) xdr_remote_auth_polkit_ret, (char *) &ret) != 0) { return -1; /* virError already set by call */ } VIR_DEBUG("PolicyKit-1 authentication complete"); return 0; } # elif HAVE_POLKIT0 /* Perform the PolicyKit authentication process */ static int remoteAuthPolkit (virConnectPtr conn, struct private_data *priv, virConnectAuthPtr auth) { remote_auth_polkit_ret ret; int i, allowcb = 0; virConnectCredential cred = { VIR_CRED_EXTERNAL, conn->flags & VIR_CONNECT_RO ? "org.libvirt.unix.monitor" : "org.libvirt.unix.manage", "PolicyKit", NULL, NULL, 0, }; VIR_DEBUG("Client initialize PolicyKit-0 authentication"); if (auth && auth->cb) { /* Check if the necessary credential type for PolicyKit is supported */ for (i = 0 ; i < auth->ncredtype ; i++) { if (auth->credtype[i] == VIR_CRED_EXTERNAL) allowcb = 1; } if (allowcb) { VIR_DEBUG("Client run callback for PolicyKit authentication"); /* Run the authentication callback */ if ((*(auth->cb))(&cred, 1, auth->cbdata) < 0) { remoteError(VIR_ERR_AUTH_FAILED, "%s", _("Failed to collect auth credentials")); return -1; } } else { VIR_DEBUG("Client auth callback does not support PolicyKit"); } } else { VIR_DEBUG("No auth callback provided"); } memset (&ret, 0, sizeof ret); if (call (conn, priv, 0, REMOTE_PROC_AUTH_POLKIT, (xdrproc_t) xdr_void, (char *)NULL, (xdrproc_t) xdr_remote_auth_polkit_ret, (char *) &ret) != 0) { return -1; /* virError already set by call */ } VIR_DEBUG("PolicyKit-0 authentication complete"); return 0; } # endif /* HAVE_POLKIT0 */ #endif /* HAVE_POLKIT */ /*----------------------------------------------------------------------*/ static int remoteDomainEventRegister(virConnectPtr conn, virConnectDomainEventCallback callback, void *opaque, virFreeCallback freecb) { int rv = -1; struct private_data *priv = conn->privateData; remoteDriverLock(priv); if (priv->domainEventState->timer < 0) { remoteError(VIR_ERR_NO_SUPPORT, "%s", _("no event support")); goto done; } if (virDomainEventCallbackListAdd(conn, priv->domainEventState->callbacks, callback, opaque, freecb) < 0) { remoteError(VIR_ERR_RPC, "%s", _("adding cb to list")); goto done; } if (virDomainEventCallbackListCountID(conn, priv->domainEventState->callbacks, VIR_DOMAIN_EVENT_ID_LIFECYCLE) == 1) { /* Tell the server when we are the first callback deregistering */ if (call (conn, priv, 0, REMOTE_PROC_DOMAIN_EVENTS_REGISTER, (xdrproc_t) xdr_void, (char *) NULL, (xdrproc_t) xdr_void, (char *) NULL) == -1) goto done; } rv = 0; done: remoteDriverUnlock(priv); return rv; } static int remoteDomainEventDeregister(virConnectPtr conn, virConnectDomainEventCallback callback) { struct private_data *priv = conn->privateData; int rv = -1; remoteDriverLock(priv); if (virDomainEventStateDeregister(conn, priv->domainEventState, callback) < 0) goto done; if (virDomainEventCallbackListCountID(conn, priv->domainEventState->callbacks, VIR_DOMAIN_EVENT_ID_LIFECYCLE) == 0) { /* Tell the server when we are the last callback deregistering */ if (call (conn, priv, 0, REMOTE_PROC_DOMAIN_EVENTS_DEREGISTER, (xdrproc_t) xdr_void, (char *) NULL, (xdrproc_t) xdr_void, (char *) NULL) == -1) goto done; } rv = 0; done: remoteDriverUnlock(priv); return rv; } static void remoteDomainBuildEventLifecycle(virNetClientProgramPtr prog ATTRIBUTE_UNUSED, virNetClientPtr client ATTRIBUTE_UNUSED, void *evdata, void *opaque) { virConnectPtr conn = opaque; struct private_data *priv = conn->privateData; remote_domain_event_lifecycle_msg *msg = evdata; virDomainPtr dom; virDomainEventPtr event = NULL; dom = get_nonnull_domain(conn, msg->dom); if (!dom) return; event = virDomainEventNewFromDom(dom, msg->event, msg->detail); virDomainFree(dom); remoteDomainEventQueue(priv, event); } static void remoteDomainBuildEventReboot(virNetClientProgramPtr prog ATTRIBUTE_UNUSED, virNetClientPtr client ATTRIBUTE_UNUSED, void *evdata, void *opaque) { virConnectPtr conn = opaque; struct private_data *priv = conn->privateData; remote_domain_event_reboot_msg *msg = evdata; virDomainPtr dom; virDomainEventPtr event = NULL; dom = get_nonnull_domain(conn, msg->dom); if (!dom) return; event = virDomainEventRebootNewFromDom(dom); virDomainFree(dom); remoteDomainEventQueue(priv, event); } static void remoteDomainBuildEventRTCChange(virNetClientProgramPtr prog ATTRIBUTE_UNUSED, virNetClientPtr client ATTRIBUTE_UNUSED, void *evdata, void *opaque) { virConnectPtr conn = opaque; struct private_data *priv = conn->privateData; remote_domain_event_rtc_change_msg *msg = evdata; virDomainPtr dom; virDomainEventPtr event = NULL; dom = get_nonnull_domain(conn, msg->dom); if (!dom) return; event = virDomainEventRTCChangeNewFromDom(dom, msg->offset); virDomainFree(dom); remoteDomainEventQueue(priv, event); } static void remoteDomainBuildEventWatchdog(virNetClientProgramPtr prog ATTRIBUTE_UNUSED, virNetClientPtr client ATTRIBUTE_UNUSED, void *evdata, void *opaque) { virConnectPtr conn = opaque; struct private_data *priv = conn->privateData; remote_domain_event_watchdog_msg *msg = evdata; virDomainPtr dom; virDomainEventPtr event = NULL; dom = get_nonnull_domain(conn, msg->dom); if (!dom) return; event = virDomainEventWatchdogNewFromDom(dom, msg->action); virDomainFree(dom); remoteDomainEventQueue(priv, event); } static void remoteDomainBuildEventIOError(virNetClientProgramPtr prog ATTRIBUTE_UNUSED, virNetClientPtr client ATTRIBUTE_UNUSED, void *evdata, void *opaque) { virConnectPtr conn = opaque; struct private_data *priv = conn->privateData; remote_domain_event_io_error_msg *msg = evdata; virDomainPtr dom; virDomainEventPtr event = NULL; dom = get_nonnull_domain(conn, msg->dom); if (!dom) return; event = virDomainEventIOErrorNewFromDom(dom, msg->srcPath, msg->devAlias, msg->action); virDomainFree(dom); remoteDomainEventQueue(priv, event); } static void remoteDomainBuildEventIOErrorReason(virNetClientProgramPtr prog ATTRIBUTE_UNUSED, virNetClientPtr client ATTRIBUTE_UNUSED, void *evdata, void *opaque) { virConnectPtr conn = opaque; struct private_data *priv = conn->privateData; remote_domain_event_io_error_reason_msg *msg = evdata; virDomainPtr dom; virDomainEventPtr event = NULL; dom = get_nonnull_domain(conn,msg->dom); if (!dom) return; event = virDomainEventIOErrorReasonNewFromDom(dom, msg->srcPath, msg->devAlias, msg->action, msg->reason); virDomainFree(dom); remoteDomainEventQueue(priv, event); } static void remoteDomainBuildEventBlockJob(virNetClientProgramPtr prog ATTRIBUTE_UNUSED, virNetClientPtr client ATTRIBUTE_UNUSED, void *evdata, void *opaque) { virConnectPtr conn = opaque; struct private_data *priv = conn->privateData; remote_domain_event_block_job_msg *msg = evdata; virDomainPtr dom; virDomainEventPtr event = NULL; dom = get_nonnull_domain(conn, msg->dom); if (!dom) return; event = virDomainEventBlockJobNewFromDom(dom, msg->path, msg->type, msg->status); virDomainFree(dom); remoteDomainEventQueue(priv, event); } static void remoteDomainBuildEventGraphics(virNetClientProgramPtr prog ATTRIBUTE_UNUSED, virNetClientPtr client ATTRIBUTE_UNUSED, void *evdata, void *opaque) { virConnectPtr conn = opaque; struct private_data *priv = conn->privateData; remote_domain_event_graphics_msg *msg = evdata; virDomainPtr dom; virDomainEventPtr event = NULL; virDomainEventGraphicsAddressPtr localAddr = NULL; virDomainEventGraphicsAddressPtr remoteAddr = NULL; virDomainEventGraphicsSubjectPtr subject = NULL; int i; dom = get_nonnull_domain(conn, msg->dom); if (!dom) return; if (VIR_ALLOC(localAddr) < 0) goto no_memory; localAddr->family = msg->local.family; if (!(localAddr->service = strdup(msg->local.service)) || !(localAddr->node = strdup(msg->local.node))) goto no_memory; if (VIR_ALLOC(remoteAddr) < 0) goto no_memory; remoteAddr->family = msg->remote.family; if (!(remoteAddr->service = strdup(msg->remote.service)) || !(remoteAddr->node = strdup(msg->remote.node))) goto no_memory; if (VIR_ALLOC(subject) < 0) goto no_memory; if (VIR_ALLOC_N(subject->identities, msg->subject.subject_len) < 0) goto no_memory; subject->nidentity = msg->subject.subject_len; for (i = 0 ; i < subject->nidentity ; i++) { if (!(subject->identities[i].type = strdup(msg->subject.subject_val[i].type)) || !(subject->identities[i].name = strdup(msg->subject.subject_val[i].name))) goto no_memory; } event = virDomainEventGraphicsNewFromDom(dom, msg->phase, localAddr, remoteAddr, msg->authScheme, subject); virDomainFree(dom); remoteDomainEventQueue(priv, event); return; no_memory: if (localAddr) { VIR_FREE(localAddr->service); VIR_FREE(localAddr->node); VIR_FREE(localAddr); } if (remoteAddr) { VIR_FREE(remoteAddr->service); VIR_FREE(remoteAddr->node); VIR_FREE(remoteAddr); } if (subject) { for (i = 0 ; i < subject->nidentity ; i++) { VIR_FREE(subject->identities[i].type); VIR_FREE(subject->identities[i].name); } VIR_FREE(subject->identities); VIR_FREE(subject); } return; } static void remoteDomainBuildEventControlError(virNetClientProgramPtr prog ATTRIBUTE_UNUSED, virNetClientPtr client ATTRIBUTE_UNUSED, void *evdata, void *opaque) { virConnectPtr conn = opaque; struct private_data *priv = conn->privateData; remote_domain_event_control_error_msg *msg = evdata; virDomainPtr dom; virDomainEventPtr event = NULL; dom = get_nonnull_domain(conn, msg->dom); if (!dom) return; event = virDomainEventControlErrorNewFromDom(dom); xdr_free ((xdrproc_t) &xdr_remote_domain_event_control_error_msg, (char *) &msg); virDomainFree(dom); remoteDomainEventQueue(priv, event); } static virDrvOpenStatus ATTRIBUTE_NONNULL (1) remoteSecretOpen(virConnectPtr conn, virConnectAuthPtr auth, unsigned int flags) { return remoteGenericOpen(conn, auth, flags, &conn->secretPrivateData); } static int remoteSecretClose (virConnectPtr conn) { return remoteGenericClose(conn, &conn->secretPrivateData); } static unsigned char * remoteSecretGetValue (virSecretPtr secret, size_t *value_size, unsigned int flags, unsigned int internalFlags) { unsigned char *rv = NULL; remote_secret_get_value_args args; remote_secret_get_value_ret ret; struct private_data *priv = secret->conn->secretPrivateData; remoteDriverLock (priv); /* internalFlags intentionally do not go over the wire */ if (internalFlags) { remoteError(VIR_ERR_NO_SUPPORT, "%s", _("no internalFlags support")); goto done; } make_nonnull_secret (&args.secret, secret); args.flags = flags; memset (&ret, 0, sizeof (ret)); if (call (secret->conn, priv, 0, REMOTE_PROC_SECRET_GET_VALUE, (xdrproc_t) xdr_remote_secret_get_value_args, (char *) &args, (xdrproc_t) xdr_remote_secret_get_value_ret, (char *) &ret) == -1) goto done; *value_size = ret.value.value_len; rv = (unsigned char *) ret.value.value_val; /* Caller frees. */ done: remoteDriverUnlock (priv); return rv; } static int remoteStreamSend(virStreamPtr st, const char *data, size_t nbytes) { VIR_DEBUG("st=%p data=%p nbytes=%zu", st, data, nbytes); struct private_data *priv = st->conn->privateData; virNetClientStreamPtr privst = st->privateData; int rv = -1; remoteDriverLock(priv); if (virNetClientStreamRaiseError(privst)) goto cleanup; rv = virNetClientStreamSendPacket(privst, priv->client, VIR_NET_CONTINUE, data, nbytes); cleanup: remoteDriverUnlock(priv); return rv; } static int remoteStreamRecv(virStreamPtr st, char *data, size_t nbytes) { VIR_DEBUG("st=%p data=%p nbytes=%zu", st, data, nbytes); struct private_data *priv = st->conn->privateData; virNetClientStreamPtr privst = st->privateData; int rv = -1; remoteDriverLock(priv); if (virNetClientStreamRaiseError(privst)) goto cleanup; rv = virNetClientStreamRecvPacket(privst, priv->client, data, nbytes, (st->flags & VIR_STREAM_NONBLOCK)); VIR_DEBUG("Done %d", rv); cleanup: remoteDriverUnlock(priv); return rv; } struct remoteStreamCallbackData { virStreamPtr st; virStreamEventCallback cb; void *opaque; virFreeCallback ff; }; static void remoteStreamEventCallback(virNetClientStreamPtr stream ATTRIBUTE_UNUSED, int events, void *opaque) { struct remoteStreamCallbackData *cbdata = opaque; (cbdata->cb)(cbdata->st, events, cbdata->opaque); } static void remoteStreamCallbackFree(void *opaque) { struct remoteStreamCallbackData *cbdata = opaque; if (!cbdata->cb && cbdata->ff) (cbdata->ff)(cbdata->opaque); virStreamFree(cbdata->st); VIR_FREE(opaque); } static int remoteStreamEventAddCallback(virStreamPtr st, int events, virStreamEventCallback cb, void *opaque, virFreeCallback ff) { struct private_data *priv = st->conn->privateData; virNetClientStreamPtr privst = st->privateData; int ret = -1; struct remoteStreamCallbackData *cbdata; if (VIR_ALLOC(cbdata) < 0) { virReportOOMError(); return -1; } cbdata->cb = cb; cbdata->opaque = opaque; cbdata->ff = ff; cbdata->st = st; virStreamRef(st); remoteDriverLock(priv); if ((ret = virNetClientStreamEventAddCallback(privst, events, remoteStreamEventCallback, cbdata, remoteStreamCallbackFree)) < 0) { VIR_FREE(cbdata); goto cleanup; } cleanup: remoteDriverUnlock(priv); return ret; } static int remoteStreamEventUpdateCallback(virStreamPtr st, int events) { struct private_data *priv = st->conn->privateData; virNetClientStreamPtr privst = st->privateData; int ret = -1; remoteDriverLock(priv); ret = virNetClientStreamEventUpdateCallback(privst, events); remoteDriverUnlock(priv); return ret; } static int remoteStreamEventRemoveCallback(virStreamPtr st) { struct private_data *priv = st->conn->privateData; virNetClientStreamPtr privst = st->privateData; int ret = -1; remoteDriverLock(priv); ret = virNetClientStreamEventRemoveCallback(privst); remoteDriverUnlock(priv); return ret; } static int remoteStreamFinish(virStreamPtr st) { struct private_data *priv = st->conn->privateData; virNetClientStreamPtr privst = st->privateData; int ret = -1; remoteDriverLock(priv); if (virNetClientStreamRaiseError(privst)) goto cleanup; ret = virNetClientStreamSendPacket(privst, priv->client, VIR_NET_OK, NULL, 0); cleanup: virNetClientRemoveStream(priv->client, privst); virNetClientStreamFree(privst); st->privateData = NULL; st->driver = NULL; remoteDriverUnlock(priv); return ret; } static int remoteStreamAbort(virStreamPtr st) { struct private_data *priv = st->conn->privateData; virNetClientStreamPtr privst = st->privateData; int ret = -1; remoteDriverLock(priv); if (virNetClientStreamRaiseError(privst)) goto cleanup; ret = virNetClientStreamSendPacket(privst, priv->client, VIR_NET_ERROR, NULL, 0); cleanup: virNetClientRemoveStream(priv->client, privst); virNetClientStreamFree(privst); st->privateData = NULL; st->driver = NULL; remoteDriverUnlock(priv); return ret; } static virStreamDriver remoteStreamDrv = { .streamRecv = remoteStreamRecv, .streamSend = remoteStreamSend, .streamFinish = remoteStreamFinish, .streamAbort = remoteStreamAbort, .streamAddCallback = remoteStreamEventAddCallback, .streamUpdateCallback = remoteStreamEventUpdateCallback, .streamRemoveCallback = remoteStreamEventRemoveCallback, }; static int remoteDomainEventRegisterAny(virConnectPtr conn, virDomainPtr dom, int eventID, virConnectDomainEventGenericCallback callback, void *opaque, virFreeCallback freecb) { int rv = -1; struct private_data *priv = conn->privateData; remote_domain_events_register_any_args args; int callbackID; remoteDriverLock(priv); if (priv->domainEventState->timer < 0) { remoteError(VIR_ERR_NO_SUPPORT, "%s", _("no event support")); goto done; } if ((callbackID = virDomainEventCallbackListAddID(conn, priv->domainEventState->callbacks, dom, eventID, callback, opaque, freecb)) < 0) { remoteError(VIR_ERR_RPC, "%s", _("adding cb to list")); goto done; } /* If this is the first callback for this eventID, we need to enable * events on the server */ if (virDomainEventCallbackListCountID(conn, priv->domainEventState->callbacks, eventID) == 1) { args.eventID = eventID; if (call (conn, priv, 0, REMOTE_PROC_DOMAIN_EVENTS_REGISTER_ANY, (xdrproc_t) xdr_remote_domain_events_register_any_args, (char *) &args, (xdrproc_t) xdr_void, (char *)NULL) == -1) { virDomainEventCallbackListRemoveID(conn, priv->domainEventState->callbacks, callbackID); goto done; } } rv = callbackID; done: remoteDriverUnlock(priv); return rv; } static int remoteDomainEventDeregisterAny(virConnectPtr conn, int callbackID) { struct private_data *priv = conn->privateData; int rv = -1; remote_domain_events_deregister_any_args args; int eventID; remoteDriverLock(priv); if ((eventID = virDomainEventCallbackListEventID(conn, priv->domainEventState->callbacks, callbackID)) < 0) { remoteError(VIR_ERR_RPC, _("unable to find callback ID %d"), callbackID); goto done; } if (virDomainEventStateDeregisterAny(conn, priv->domainEventState, callbackID) < 0) goto done; /* If that was the last callback for this eventID, we need to disable * events on the server */ if (virDomainEventCallbackListCountID(conn, priv->domainEventState->callbacks, eventID) == 0) { args.eventID = eventID; if (call (conn, priv, 0, REMOTE_PROC_DOMAIN_EVENTS_DEREGISTER_ANY, (xdrproc_t) xdr_remote_domain_events_deregister_any_args, (char *) &args, (xdrproc_t) xdr_void, (char *) NULL) == -1) goto done; } rv = 0; done: remoteDriverUnlock(priv); return rv; } /*----------------------------------------------------------------------*/ static int remoteQemuDomainMonitorCommand (virDomainPtr domain, const char *cmd, char **result, unsigned int flags) { int rv = -1; qemu_monitor_command_args args; qemu_monitor_command_ret ret; struct private_data *priv = domain->conn->privateData; remoteDriverLock(priv); make_nonnull_domain(&args.dom, domain); args.cmd = (char *)cmd; args.flags = flags; memset (&ret, 0, sizeof ret); if (call (domain->conn, priv, REMOTE_CALL_QEMU, QEMU_PROC_MONITOR_COMMAND, (xdrproc_t) xdr_qemu_monitor_command_args, (char *) &args, (xdrproc_t) xdr_qemu_monitor_command_ret, (char *) &ret) == -1) goto done; *result = strdup(ret.result); if (*result == NULL) { virReportOOMError(); goto cleanup; } rv = 0; cleanup: xdr_free ((xdrproc_t) xdr_qemu_monitor_command_ret, (char *) &ret); done: remoteDriverUnlock(priv); return rv; } static char * remoteDomainMigrateBegin3(virDomainPtr domain, const char *xmlin, char **cookieout, int *cookieoutlen, unsigned long flags, const char *dname, unsigned long resource) { char *rv = NULL; remote_domain_migrate_begin3_args args; remote_domain_migrate_begin3_ret ret; struct private_data *priv = domain->conn->privateData; remoteDriverLock(priv); memset(&args, 0, sizeof(args)); memset(&ret, 0, sizeof(ret)); make_nonnull_domain (&args.dom, domain); args.xmlin = xmlin == NULL ? NULL : (char **) &xmlin; args.flags = flags; args.dname = dname == NULL ? NULL : (char **) &dname; args.resource = resource; if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_MIGRATE_BEGIN3, (xdrproc_t) xdr_remote_domain_migrate_begin3_args, (char *) &args, (xdrproc_t) xdr_remote_domain_migrate_begin3_ret, (char *) &ret) == -1) goto done; if (ret.cookie_out.cookie_out_len > 0) { if (!cookieout || !cookieoutlen) { remoteError(VIR_ERR_INTERNAL_ERROR, "%s", _("caller ignores cookieout or cookieoutlen")); goto error; } *cookieout = ret.cookie_out.cookie_out_val; /* Caller frees. */ *cookieoutlen = ret.cookie_out.cookie_out_len; } rv = ret.xml; /* caller frees */ done: remoteDriverUnlock(priv); return rv; error: VIR_FREE(ret.cookie_out.cookie_out_val); goto done; } static int remoteDomainMigratePrepare3(virConnectPtr dconn, const char *cookiein, int cookieinlen, char **cookieout, int *cookieoutlen, const char *uri_in, char **uri_out, unsigned long flags, const char *dname, unsigned long resource, const char *dom_xml) { int rv = -1; remote_domain_migrate_prepare3_args args; remote_domain_migrate_prepare3_ret ret; struct private_data *priv = dconn->privateData; remoteDriverLock(priv); memset(&args, 0, sizeof(args)); memset(&ret, 0, sizeof(ret)); args.cookie_in.cookie_in_val = (char *)cookiein; args.cookie_in.cookie_in_len = cookieinlen; args.uri_in = uri_in == NULL ? NULL : (char **) &uri_in; args.flags = flags; args.dname = dname == NULL ? NULL : (char **) &dname; args.resource = resource; args.dom_xml = (char *) dom_xml; memset (&ret, 0, sizeof ret); if (call (dconn, priv, 0, REMOTE_PROC_DOMAIN_MIGRATE_PREPARE3, (xdrproc_t) xdr_remote_domain_migrate_prepare3_args, (char *) &args, (xdrproc_t) xdr_remote_domain_migrate_prepare3_ret, (char *) &ret) == -1) goto done; if (ret.cookie_out.cookie_out_len > 0) { if (!cookieout || !cookieoutlen) { remoteError(VIR_ERR_INTERNAL_ERROR, "%s", _("caller ignores cookieout or cookieoutlen")); goto error; } *cookieout = ret.cookie_out.cookie_out_val; /* Caller frees. */ *cookieoutlen = ret.cookie_out.cookie_out_len; } if (ret.uri_out) { if (!uri_out) { remoteError(VIR_ERR_INTERNAL_ERROR, "%s", _("caller ignores uri_out")); goto error; } *uri_out = *ret.uri_out; /* Caller frees. */ } rv = 0; done: remoteDriverUnlock(priv); return rv; error: VIR_FREE(ret.cookie_out.cookie_out_val); if (ret.uri_out) VIR_FREE(*ret.uri_out); goto done; } static int remoteDomainMigratePrepareTunnel3(virConnectPtr dconn, virStreamPtr st, const char *cookiein, int cookieinlen, char **cookieout, int *cookieoutlen, unsigned long flags, const char *dname, unsigned long resource, const char *dom_xml) { struct private_data *priv = dconn->privateData; int rv = -1; remote_domain_migrate_prepare_tunnel3_args args; remote_domain_migrate_prepare_tunnel3_ret ret; virNetClientStreamPtr netst; remoteDriverLock(priv); memset(&args, 0, sizeof(args)); memset(&ret, 0, sizeof(ret)); if (!(netst = virNetClientStreamNew(priv->remoteProgram, REMOTE_PROC_DOMAIN_MIGRATE_PREPARE_TUNNEL3, priv->counter))) goto done; if (virNetClientAddStream(priv->client, netst) < 0) { virNetClientStreamFree(netst); goto done; } st->driver = &remoteStreamDrv; st->privateData = netst; args.cookie_in.cookie_in_val = (char *)cookiein; args.cookie_in.cookie_in_len = cookieinlen; args.flags = flags; args.dname = dname == NULL ? NULL : (char **) &dname; args.resource = resource; args.dom_xml = (char *) dom_xml; if (call(dconn, priv, 0, REMOTE_PROC_DOMAIN_MIGRATE_PREPARE_TUNNEL3, (xdrproc_t) xdr_remote_domain_migrate_prepare_tunnel3_args, (char *) &args, (xdrproc_t) xdr_remote_domain_migrate_prepare_tunnel3_ret, (char *) &ret) == -1) { virNetClientRemoveStream(priv->client, netst); virNetClientStreamFree(netst); goto done; } if (ret.cookie_out.cookie_out_len > 0) { if (!cookieout || !cookieoutlen) { remoteError(VIR_ERR_INTERNAL_ERROR, "%s", _("caller ignores cookieout or cookieoutlen")); goto error; } *cookieout = ret.cookie_out.cookie_out_val; /* Caller frees. */ *cookieoutlen = ret.cookie_out.cookie_out_len; } rv = 0; done: remoteDriverUnlock(priv); return rv; error: VIR_FREE(ret.cookie_out.cookie_out_val); goto done; } static int remoteDomainMigratePerform3(virDomainPtr dom, const char *xmlin, const char *cookiein, int cookieinlen, char **cookieout, int *cookieoutlen, const char *dconnuri, const char *uri, unsigned long flags, const char *dname, unsigned long resource) { int rv = -1; remote_domain_migrate_perform3_args args; remote_domain_migrate_perform3_ret ret; struct private_data *priv = dom->conn->privateData; remoteDriverLock(priv); memset(&args, 0, sizeof(args)); memset(&ret, 0, sizeof(ret)); make_nonnull_domain(&args.dom, dom); args.xmlin = xmlin == NULL ? NULL : (char **) &xmlin; args.cookie_in.cookie_in_val = (char *)cookiein; args.cookie_in.cookie_in_len = cookieinlen; args.flags = flags; args.dname = dname == NULL ? NULL : (char **) &dname; args.uri = uri == NULL ? NULL : (char **) &uri; args.dconnuri = dconnuri == NULL ? NULL : (char **) &dconnuri; args.resource = resource; if (call (dom->conn, priv, 0, REMOTE_PROC_DOMAIN_MIGRATE_PERFORM3, (xdrproc_t) xdr_remote_domain_migrate_perform3_args, (char *) &args, (xdrproc_t) xdr_remote_domain_migrate_perform3_ret, (char *) &ret) == -1) goto done; if (ret.cookie_out.cookie_out_len > 0) { if (!cookieout || !cookieoutlen) { remoteError(VIR_ERR_INTERNAL_ERROR, "%s", _("caller ignores cookieout or cookieoutlen")); goto error; } *cookieout = ret.cookie_out.cookie_out_val; /* Caller frees. */ *cookieoutlen = ret.cookie_out.cookie_out_len; } rv = 0; done: remoteDriverUnlock(priv); return rv; error: VIR_FREE(ret.cookie_out.cookie_out_val); goto done; } static virDomainPtr remoteDomainMigrateFinish3(virConnectPtr dconn, const char *dname, const char *cookiein, int cookieinlen, char **cookieout, int *cookieoutlen, const char *dconnuri, const char *uri, unsigned long flags, int cancelled) { remote_domain_migrate_finish3_args args; remote_domain_migrate_finish3_ret ret; struct private_data *priv = dconn->privateData; virDomainPtr rv = NULL; remoteDriverLock(priv); memset(&args, 0, sizeof(args)); memset(&ret, 0, sizeof(ret)); args.cookie_in.cookie_in_val = (char *)cookiein; args.cookie_in.cookie_in_len = cookieinlen; args.dname = (char *) dname; args.uri = uri == NULL ? NULL : (char **) &uri; args.dconnuri = dconnuri == NULL ? NULL : (char **) &dconnuri; args.flags = flags; args.cancelled = cancelled; if (call (dconn, priv, 0, REMOTE_PROC_DOMAIN_MIGRATE_FINISH3, (xdrproc_t) xdr_remote_domain_migrate_finish3_args, (char *) &args, (xdrproc_t) xdr_remote_domain_migrate_finish3_ret, (char *) &ret) == -1) goto done; rv = get_nonnull_domain(dconn, ret.dom); if (ret.cookie_out.cookie_out_len > 0) { if (!cookieout || !cookieoutlen) { remoteError(VIR_ERR_INTERNAL_ERROR, "%s", _("caller ignores cookieout or cookieoutlen")); goto error; } *cookieout = ret.cookie_out.cookie_out_val; /* Caller frees. */ *cookieoutlen = ret.cookie_out.cookie_out_len; ret.cookie_out.cookie_out_val = NULL; ret.cookie_out.cookie_out_len = 0; } xdr_free ((xdrproc_t) &xdr_remote_domain_migrate_finish3_ret, (char *) &ret); done: remoteDriverUnlock(priv); return rv; error: VIR_FREE(ret.cookie_out.cookie_out_val); goto done; } static int remoteDomainMigrateConfirm3(virDomainPtr domain, const char *cookiein, int cookieinlen, unsigned long flags, int cancelled) { int rv = -1; remote_domain_migrate_confirm3_args args; struct private_data *priv = domain->conn->privateData; remoteDriverLock(priv); memset(&args, 0, sizeof(args)); make_nonnull_domain (&args.dom, domain); args.cookie_in.cookie_in_len = cookieinlen; args.cookie_in.cookie_in_val = (char *) cookiein; args.flags = flags; args.cancelled = cancelled; if (call (domain->conn, priv, 0, REMOTE_PROC_DOMAIN_MIGRATE_CONFIRM3, (xdrproc_t) xdr_remote_domain_migrate_confirm3_args, (char *) &args, (xdrproc_t) xdr_void, (char *) NULL) == -1) goto done; rv = 0; done: remoteDriverUnlock(priv); return rv; } #include "remote_client_bodies.h" #include "qemu_client_bodies.h" /* * Serial a set of arguments into a method call message, * send that to the server and wait for reply */ static int call (virConnectPtr conn ATTRIBUTE_UNUSED, struct private_data *priv, unsigned int flags, int proc_nr, xdrproc_t args_filter, char *args, xdrproc_t ret_filter, char *ret) { int rv; virNetClientProgramPtr prog = flags & REMOTE_CALL_QEMU ? priv->qemuProgram : priv->remoteProgram; int counter = priv->counter++; virNetClientPtr client = priv->client; priv->localUses++; /* Unlock, so that if we get any async events/stream data * while processing the RPC, we don't deadlock when our * callbacks for those are invoked */ remoteDriverUnlock(priv); rv = virNetClientProgramCall(prog, client, counter, proc_nr, args_filter, args, ret_filter, ret); remoteDriverLock(priv); priv->localUses--; return rv; } static void remoteDomainEventDispatchFunc(virConnectPtr conn, virDomainEventPtr event, virConnectDomainEventGenericCallback cb, void *cbopaque, void *opaque) { struct private_data *priv = opaque; /* Drop the lock whle dispatching, for sake of re-entrancy */ remoteDriverUnlock(priv); VIR_DEBUG("Dispatch event %p %p", event, conn); virDomainEventDispatchDefaultFunc(conn, event, cb, cbopaque, NULL); remoteDriverLock(priv); } static void remoteDomainEventQueueFlush(int timer ATTRIBUTE_UNUSED, void *opaque) { virConnectPtr conn = opaque; struct private_data *priv = conn->privateData; remoteDriverLock(priv); VIR_DEBUG("Event queue flush %p", conn); virDomainEventStateFlush(priv->domainEventState, remoteDomainEventDispatchFunc, priv); remoteDriverUnlock(priv); } static void remoteDomainEventQueue(struct private_data *priv, virDomainEventPtr event) { virDomainEventStateQueue(priv->domainEventState, event); } /* get_nonnull_domain and get_nonnull_network turn an on-wire * (name, uuid) pair into virDomainPtr or virNetworkPtr object. * These can return NULL if underlying memory allocations fail, * but if they do then virterror_internal.has been set. */ static virDomainPtr get_nonnull_domain (virConnectPtr conn, remote_nonnull_domain domain) { virDomainPtr dom; dom = virGetDomain (conn, domain.name, BAD_CAST domain.uuid); if (dom) dom->id = domain.id; return dom; } static virNetworkPtr get_nonnull_network (virConnectPtr conn, remote_nonnull_network network) { return virGetNetwork (conn, network.name, BAD_CAST network.uuid); } static virInterfacePtr get_nonnull_interface (virConnectPtr conn, remote_nonnull_interface iface) { return virGetInterface (conn, iface.name, iface.mac); } static virStoragePoolPtr get_nonnull_storage_pool (virConnectPtr conn, remote_nonnull_storage_pool pool) { return virGetStoragePool (conn, pool.name, BAD_CAST pool.uuid); } static virStorageVolPtr get_nonnull_storage_vol (virConnectPtr conn, remote_nonnull_storage_vol vol) { return virGetStorageVol (conn, vol.pool, vol.name, vol.key); } static virNodeDevicePtr get_nonnull_node_device (virConnectPtr conn, remote_nonnull_node_device dev) { return virGetNodeDevice(conn, dev.name); } 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 domain, remote_nonnull_domain_snapshot snapshot) { return virGetDomainSnapshot(domain, snapshot.name); } /* Make remote_nonnull_domain and remote_nonnull_network. */ static void make_nonnull_domain (remote_nonnull_domain *dom_dst, virDomainPtr dom_src) { dom_dst->id = dom_src->id; dom_dst->name = dom_src->name; memcpy (dom_dst->uuid, dom_src->uuid, VIR_UUID_BUFLEN); } static void make_nonnull_network (remote_nonnull_network *net_dst, virNetworkPtr net_src) { net_dst->name = net_src->name; memcpy (net_dst->uuid, net_src->uuid, VIR_UUID_BUFLEN); } static void make_nonnull_interface (remote_nonnull_interface *interface_dst, virInterfacePtr interface_src) { interface_dst->name = interface_src->name; interface_dst->mac = interface_src->mac; } static void make_nonnull_storage_pool (remote_nonnull_storage_pool *pool_dst, virStoragePoolPtr pool_src) { 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) { vol_dst->pool = vol_src->pool; vol_dst->name = vol_src->name; vol_dst->key = vol_src->key; } static void make_nonnull_secret (remote_nonnull_secret *secret_dst, virSecretPtr secret_src) { memcpy (secret_dst->uuid, secret_src->uuid, VIR_UUID_BUFLEN); secret_dst->usageType = secret_src->usageType; secret_dst->usageID = secret_src->usageID; } static void make_nonnull_nwfilter (remote_nonnull_nwfilter *nwfilter_dst, virNWFilterPtr nwfilter_src) { 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) { snapshot_dst->name = snapshot_src->name; make_nonnull_domain(&snapshot_dst->dom, snapshot_src->domain); } /*----------------------------------------------------------------------*/ unsigned long remoteVersion(void) { return REMOTE_PROTOCOL_VERSION; } static virDriver remote_driver = { .no = VIR_DRV_REMOTE, .name = "remote", .open = remoteOpen, /* 0.3.0 */ .close = remoteClose, /* 0.3.0 */ .supports_feature = remoteSupportsFeature, /* 0.3.0 */ .type = remoteType, /* 0.3.0 */ .version = remoteGetVersion, /* 0.3.0 */ .libvirtVersion = remoteGetLibVersion, /* 0.7.3 */ .getHostname = remoteGetHostname, /* 0.3.0 */ .getSysinfo = remoteGetSysinfo, /* 0.8.8 */ .getMaxVcpus = remoteGetMaxVcpus, /* 0.3.0 */ .nodeGetInfo = remoteNodeGetInfo, /* 0.3.0 */ .getCapabilities = remoteGetCapabilities, /* 0.3.0 */ .listDomains = remoteListDomains, /* 0.3.0 */ .numOfDomains = remoteNumOfDomains, /* 0.3.0 */ .domainCreateXML = remoteDomainCreateXML, /* 0.3.0 */ .domainLookupByID = remoteDomainLookupByID, /* 0.3.0 */ .domainLookupByUUID = remoteDomainLookupByUUID, /* 0.3.0 */ .domainLookupByName = remoteDomainLookupByName, /* 0.3.0 */ .domainSuspend = remoteDomainSuspend, /* 0.3.0 */ .domainResume = remoteDomainResume, /* 0.3.0 */ .domainShutdown = remoteDomainShutdown, /* 0.3.0 */ .domainReboot = remoteDomainReboot, /* 0.3.0 */ .domainDestroy = remoteDomainDestroy, /* 0.3.0 */ .domainDestroyFlags = remoteDomainDestroyFlags, /* 0.9.4 */ .domainGetOSType = remoteDomainGetOSType, /* 0.3.0 */ .domainGetMaxMemory = remoteDomainGetMaxMemory, /* 0.3.0 */ .domainSetMaxMemory = remoteDomainSetMaxMemory, /* 0.3.0 */ .domainSetMemory = remoteDomainSetMemory, /* 0.3.0 */ .domainSetMemoryFlags = remoteDomainSetMemoryFlags, /* 0.9.0 */ .domainSetMemoryParameters = remoteDomainSetMemoryParameters, /* 0.8.5 */ .domainGetMemoryParameters = remoteDomainGetMemoryParameters, /* 0.8.5 */ .domainSetBlkioParameters = remoteDomainSetBlkioParameters, /* 0.9.0 */ .domainGetBlkioParameters = remoteDomainGetBlkioParameters, /* 0.9.0 */ .domainGetInfo = remoteDomainGetInfo, /* 0.3.0 */ .domainGetState = remoteDomainGetState, /* 0.9.2 */ .domainGetControlInfo = remoteDomainGetControlInfo, /* 0.9.3 */ .domainSave = remoteDomainSave, /* 0.3.0 */ .domainSaveFlags = remoteDomainSaveFlags, /* 0.9.4 */ .domainRestore = remoteDomainRestore, /* 0.3.0 */ .domainRestoreFlags = remoteDomainRestoreFlags, /* 0.9.4 */ .domainSaveImageGetXMLDesc = remoteDomainSaveImageGetXMLDesc, /* 0.9.4 */ .domainSaveImageDefineXML = remoteDomainSaveImageDefineXML, /* 0.9.4 */ .domainCoreDump = remoteDomainCoreDump, /* 0.3.0 */ .domainScreenshot = remoteDomainScreenshot, /* 0.9.2 */ .domainSetVcpus = remoteDomainSetVcpus, /* 0.3.0 */ .domainSetVcpusFlags = remoteDomainSetVcpusFlags, /* 0.8.5 */ .domainGetVcpusFlags = remoteDomainGetVcpusFlags, /* 0.8.5 */ .domainPinVcpu = remoteDomainPinVcpu, /* 0.3.0 */ .domainPinVcpuFlags = remoteDomainPinVcpuFlags, /* 0.9.3 */ .domainGetVcpuPinInfo = remoteDomainGetVcpuPinInfo, /* 0.9.3 */ .domainGetVcpus = remoteDomainGetVcpus, /* 0.3.0 */ .domainGetMaxVcpus = remoteDomainGetMaxVcpus, /* 0.3.0 */ .domainGetSecurityLabel = remoteDomainGetSecurityLabel, /* 0.6.1 */ .nodeGetSecurityModel = remoteNodeGetSecurityModel, /* 0.6.1 */ .domainGetXMLDesc = remoteDomainGetXMLDesc, /* 0.3.0 */ .domainXMLFromNative = remoteDomainXMLFromNative, /* 0.6.4 */ .domainXMLToNative = remoteDomainXMLToNative, /* 0.6.4 */ .listDefinedDomains = remoteListDefinedDomains, /* 0.3.0 */ .numOfDefinedDomains = remoteNumOfDefinedDomains, /* 0.3.0 */ .domainCreate = remoteDomainCreate, /* 0.3.0 */ .domainCreateWithFlags = remoteDomainCreateWithFlags, /* 0.8.2 */ .domainDefineXML = remoteDomainDefineXML, /* 0.3.0 */ .domainUndefine = remoteDomainUndefine, /* 0.3.0 */ .domainUndefineFlags = remoteDomainUndefineFlags, /* 0.9.4 */ .domainAttachDevice = remoteDomainAttachDevice, /* 0.3.0 */ .domainAttachDeviceFlags = remoteDomainAttachDeviceFlags, /* 0.7.7 */ .domainDetachDevice = remoteDomainDetachDevice, /* 0.3.0 */ .domainDetachDeviceFlags = remoteDomainDetachDeviceFlags, /* 0.7.7 */ .domainUpdateDeviceFlags = remoteDomainUpdateDeviceFlags, /* 0.8.0 */ .domainGetAutostart = remoteDomainGetAutostart, /* 0.3.0 */ .domainSetAutostart = remoteDomainSetAutostart, /* 0.3.0 */ .domainGetSchedulerType = remoteDomainGetSchedulerType, /* 0.3.0 */ .domainGetSchedulerParameters = remoteDomainGetSchedulerParameters, /* 0.3.0 */ .domainGetSchedulerParametersFlags = remoteDomainGetSchedulerParametersFlags, /* 0.9.2 */ .domainSetSchedulerParameters = remoteDomainSetSchedulerParameters, /* 0.3.0 */ .domainSetSchedulerParametersFlags = remoteDomainSetSchedulerParametersFlags, /* 0.9.2 */ .domainMigratePrepare = remoteDomainMigratePrepare, /* 0.3.2 */ .domainMigratePerform = remoteDomainMigratePerform, /* 0.3.2 */ .domainMigrateFinish = remoteDomainMigrateFinish, /* 0.3.2 */ .domainBlockStats = remoteDomainBlockStats, /* 0.3.2 */ .domainInterfaceStats = remoteDomainInterfaceStats, /* 0.3.2 */ .domainMemoryStats = remoteDomainMemoryStats, /* 0.7.5 */ .domainBlockPeek = remoteDomainBlockPeek, /* 0.4.2 */ .domainMemoryPeek = remoteDomainMemoryPeek, /* 0.4.2 */ .domainGetBlockInfo = remoteDomainGetBlockInfo, /* 0.8.1 */ .nodeGetCPUStats = remoteNodeGetCPUStats, /* 0.9.3 */ .nodeGetMemoryStats = remoteNodeGetMemoryStats, /* 0.9.3 */ .nodeGetCellsFreeMemory = remoteNodeGetCellsFreeMemory, /* 0.3.3 */ .nodeGetFreeMemory = remoteNodeGetFreeMemory, /* 0.3.3 */ .domainEventRegister = remoteDomainEventRegister, /* 0.5.0 */ .domainEventDeregister = remoteDomainEventDeregister, /* 0.5.0 */ .domainMigratePrepare2 = remoteDomainMigratePrepare2, /* 0.5.0 */ .domainMigrateFinish2 = remoteDomainMigrateFinish2, /* 0.5.0 */ .nodeDeviceDettach = remoteNodeDeviceDettach, /* 0.6.1 */ .nodeDeviceReAttach = remoteNodeDeviceReAttach, /* 0.6.1 */ .nodeDeviceReset = remoteNodeDeviceReset, /* 0.6.1 */ .domainMigratePrepareTunnel = remoteDomainMigratePrepareTunnel, /* 0.7.2 */ .isEncrypted = remoteIsEncrypted, /* 0.7.3 */ .isSecure = remoteIsSecure, /* 0.7.3 */ .domainIsActive = remoteDomainIsActive, /* 0.7.3 */ .domainIsPersistent = remoteDomainIsPersistent, /* 0.7.3 */ .domainIsUpdated = remoteDomainIsUpdated, /* 0.8.6 */ .cpuCompare = remoteCPUCompare, /* 0.7.5 */ .cpuBaseline = remoteCPUBaseline, /* 0.7.7 */ .domainGetJobInfo = remoteDomainGetJobInfo, /* 0.7.7 */ .domainAbortJob = remoteDomainAbortJob, /* 0.7.7 */ .domainMigrateSetMaxDowntime = remoteDomainMigrateSetMaxDowntime, /* 0.8.0 */ .domainMigrateSetMaxSpeed = remoteDomainMigrateSetMaxSpeed, /* 0.9.0 */ .domainEventRegisterAny = remoteDomainEventRegisterAny, /* 0.8.0 */ .domainEventDeregisterAny = remoteDomainEventDeregisterAny, /* 0.8.0 */ .domainManagedSave = remoteDomainManagedSave, /* 0.8.0 */ .domainHasManagedSaveImage = remoteDomainHasManagedSaveImage, /* 0.8.0 */ .domainManagedSaveRemove = remoteDomainManagedSaveRemove, /* 0.8.0 */ .domainSnapshotCreateXML = remoteDomainSnapshotCreateXML, /* 0.8.0 */ .domainSnapshotGetXMLDesc = remoteDomainSnapshotGetXMLDesc, /* 0.8.0 */ .domainSnapshotNum = remoteDomainSnapshotNum, /* 0.8.0 */ .domainSnapshotListNames = remoteDomainSnapshotListNames, /* 0.8.0 */ .domainSnapshotLookupByName = remoteDomainSnapshotLookupByName, /* 0.8.0 */ .domainHasCurrentSnapshot = remoteDomainHasCurrentSnapshot, /* 0.8.0 */ .domainSnapshotCurrent = remoteDomainSnapshotCurrent, /* 0.8.0 */ .domainRevertToSnapshot = remoteDomainRevertToSnapshot, /* 0.8.0 */ .domainSnapshotDelete = remoteDomainSnapshotDelete, /* 0.8.0 */ .qemuDomainMonitorCommand = remoteQemuDomainMonitorCommand, /* 0.8.3 */ .qemuDomainAttach = qemuDomainAttach, /* 0.9.4 */ .domainOpenConsole = remoteDomainOpenConsole, /* 0.8.6 */ .domainInjectNMI = remoteDomainInjectNMI, /* 0.9.2 */ .domainMigrateBegin3 = remoteDomainMigrateBegin3, /* 0.9.2 */ .domainMigratePrepare3 = remoteDomainMigratePrepare3, /* 0.9.2 */ .domainMigratePrepareTunnel3 = remoteDomainMigratePrepareTunnel3, /* 0.9.2 */ .domainMigratePerform3 = remoteDomainMigratePerform3, /* 0.9.2 */ .domainMigrateFinish3 = remoteDomainMigrateFinish3, /* 0.9.2 */ .domainMigrateConfirm3 = remoteDomainMigrateConfirm3, /* 0.9.2 */ .domainSendKey = remoteDomainSendKey, /* 0.9.3 */ .domainBlockJobAbort = remoteDomainBlockJobAbort, /* 0.9.4 */ .domainGetBlockJobInfo = remoteDomainGetBlockJobInfo, /* 0.9.4 */ .domainBlockJobSetSpeed = remoteDomainBlockJobSetSpeed, /* 0.9.4 */ .domainBlockPull = remoteDomainBlockPull, /* 0.9.4 */ }; static virNetworkDriver network_driver = { .name = "remote", .open = remoteNetworkOpen, /* 0.3.0 */ .close = remoteNetworkClose, /* 0.3.0 */ .numOfNetworks = remoteNumOfNetworks, /* 0.3.0 */ .listNetworks = remoteListNetworks, /* 0.3.0 */ .numOfDefinedNetworks = remoteNumOfDefinedNetworks, /* 0.3.0 */ .listDefinedNetworks = remoteListDefinedNetworks, /* 0.3.0 */ .networkLookupByUUID = remoteNetworkLookupByUUID, /* 0.3.0 */ .networkLookupByName = remoteNetworkLookupByName, /* 0.3.0 */ .networkCreateXML = remoteNetworkCreateXML, /* 0.3.0 */ .networkDefineXML = remoteNetworkDefineXML, /* 0.3.0 */ .networkUndefine = remoteNetworkUndefine, /* 0.3.0 */ .networkCreate = remoteNetworkCreate, /* 0.3.0 */ .networkDestroy = remoteNetworkDestroy, /* 0.3.0 */ .networkGetXMLDesc = remoteNetworkGetXMLDesc, /* 0.3.0 */ .networkGetBridgeName = remoteNetworkGetBridgeName, /* 0.3.0 */ .networkGetAutostart = remoteNetworkGetAutostart, /* 0.3.0 */ .networkSetAutostart = remoteNetworkSetAutostart, /* 0.3.0 */ .networkIsActive = remoteNetworkIsActive, /* 0.7.3 */ .networkIsPersistent = remoteNetworkIsPersistent, /* 0.7.3 */ }; static virInterfaceDriver interface_driver = { .name = "remote", .open = remoteInterfaceOpen, /* 0.7.2 */ .close = remoteInterfaceClose, /* 0.7.2 */ .numOfInterfaces = remoteNumOfInterfaces, /* 0.7.2 */ .listInterfaces = remoteListInterfaces, /* 0.7.2 */ .numOfDefinedInterfaces = remoteNumOfDefinedInterfaces, /* 0.7.2 */ .listDefinedInterfaces = remoteListDefinedInterfaces, /* 0.7.2 */ .interfaceLookupByName = remoteInterfaceLookupByName, /* 0.7.2 */ .interfaceLookupByMACString = remoteInterfaceLookupByMACString, /* 0.7.2 */ .interfaceGetXMLDesc = remoteInterfaceGetXMLDesc, /* 0.7.2 */ .interfaceDefineXML = remoteInterfaceDefineXML, /* 0.7.2 */ .interfaceUndefine = remoteInterfaceUndefine, /* 0.7.2 */ .interfaceCreate = remoteInterfaceCreate, /* 0.7.2 */ .interfaceDestroy = remoteInterfaceDestroy, /* 0.7.2 */ .interfaceIsActive = remoteInterfaceIsActive, /* 0.7.3 */ .interfaceChangeBegin = remoteInterfaceChangeBegin, /* 0.9.2 */ .interfaceChangeCommit = remoteInterfaceChangeCommit, /* 0.9.2 */ .interfaceChangeRollback = remoteInterfaceChangeRollback, /* 0.9.2 */ }; static virStorageDriver storage_driver = { .name = "remote", .open = remoteStorageOpen, /* 0.4.1 */ .close = remoteStorageClose, /* 0.4.1 */ .numOfPools = remoteNumOfStoragePools, /* 0.4.1 */ .listPools = remoteListStoragePools, /* 0.4.1 */ .numOfDefinedPools = remoteNumOfDefinedStoragePools, /* 0.4.1 */ .listDefinedPools = remoteListDefinedStoragePools, /* 0.4.1 */ .findPoolSources = remoteFindStoragePoolSources, /* 0.4.5 */ .poolLookupByName = remoteStoragePoolLookupByName, /* 0.4.1 */ .poolLookupByUUID = remoteStoragePoolLookupByUUID, /* 0.4.1 */ .poolLookupByVolume = remoteStoragePoolLookupByVolume, /* 0.4.1 */ .poolCreateXML = remoteStoragePoolCreateXML, /* 0.4.1 */ .poolDefineXML = remoteStoragePoolDefineXML, /* 0.4.1 */ .poolBuild = remoteStoragePoolBuild, /* 0.4.1 */ .poolUndefine = remoteStoragePoolUndefine, /* 0.4.1 */ .poolCreate = remoteStoragePoolCreate, /* 0.4.1 */ .poolDestroy = remoteStoragePoolDestroy, /* 0.4.1 */ .poolDelete = remoteStoragePoolDelete, /* 0.4.1 */ .poolRefresh = remoteStoragePoolRefresh, /* 0.4.1 */ .poolGetInfo = remoteStoragePoolGetInfo, /* 0.4.1 */ .poolGetXMLDesc = remoteStoragePoolGetXMLDesc, /* 0.4.1 */ .poolGetAutostart = remoteStoragePoolGetAutostart, /* 0.4.1 */ .poolSetAutostart = remoteStoragePoolSetAutostart, /* 0.4.1 */ .poolNumOfVolumes = remoteStoragePoolNumOfVolumes, /* 0.4.1 */ .poolListVolumes = remoteStoragePoolListVolumes, /* 0.4.1 */ .volLookupByName = remoteStorageVolLookupByName, /* 0.4.1 */ .volLookupByKey = remoteStorageVolLookupByKey, /* 0.4.1 */ .volLookupByPath = remoteStorageVolLookupByPath, /* 0.4.1 */ .volCreateXML = remoteStorageVolCreateXML, /* 0.4.1 */ .volCreateXMLFrom = remoteStorageVolCreateXMLFrom, /* 0.6.4 */ .volDownload = remoteStorageVolDownload, /* 0.9.0 */ .volUpload = remoteStorageVolUpload, /* 0.9.0 */ .volDelete = remoteStorageVolDelete, /* 0.4.1 */ .volWipe = remoteStorageVolWipe, /* 0.8.0 */ .volGetInfo = remoteStorageVolGetInfo, /* 0.4.1 */ .volGetXMLDesc = remoteStorageVolGetXMLDesc, /* 0.4.1 */ .volGetPath = remoteStorageVolGetPath, /* 0.4.1 */ .poolIsActive = remoteStoragePoolIsActive, /* 0.7.3 */ .poolIsPersistent = remoteStoragePoolIsPersistent, /* 0.7.3 */ }; static virSecretDriver secret_driver = { .name = "remote", .open = remoteSecretOpen, /* 0.7.1 */ .close = remoteSecretClose, /* 0.7.1 */ .numOfSecrets = remoteNumOfSecrets, /* 0.7.1 */ .listSecrets = remoteListSecrets, /* 0.7.1 */ .lookupByUUID = remoteSecretLookupByUUID, /* 0.7.1 */ .lookupByUsage = remoteSecretLookupByUsage, /* 0.7.1 */ .defineXML = remoteSecretDefineXML, /* 0.7.1 */ .getXMLDesc = remoteSecretGetXMLDesc, /* 0.7.1 */ .setValue = remoteSecretSetValue, /* 0.7.1 */ .getValue = remoteSecretGetValue, /* 0.7.1 */ .undefine = remoteSecretUndefine /* 0.7.1 */ }; static virDeviceMonitor dev_monitor = { .name = "remote", .open = remoteDevMonOpen, /* 0.5.0 */ .close = remoteDevMonClose, /* 0.5.0 */ .numOfDevices = remoteNodeNumOfDevices, /* 0.5.0 */ .listDevices = remoteNodeListDevices, /* 0.5.0 */ .deviceLookupByName = remoteNodeDeviceLookupByName, /* 0.5.0 */ .deviceGetXMLDesc = remoteNodeDeviceGetXMLDesc, /* 0.5.0 */ .deviceGetParent = remoteNodeDeviceGetParent, /* 0.5.0 */ .deviceNumOfCaps = remoteNodeDeviceNumOfCaps, /* 0.5.0 */ .deviceListCaps = remoteNodeDeviceListCaps, /* 0.5.0 */ .deviceCreateXML = remoteNodeDeviceCreateXML, /* 0.6.3 */ .deviceDestroy = remoteNodeDeviceDestroy /* 0.6.3 */ }; static virNWFilterDriver nwfilter_driver = { .name = "remote", .open = remoteNWFilterOpen, /* 0.8.0 */ .close = remoteNWFilterClose, /* 0.8.0 */ .nwfilterLookupByUUID = remoteNWFilterLookupByUUID, /* 0.8.0 */ .nwfilterLookupByName = remoteNWFilterLookupByName, /* 0.8.0 */ .getXMLDesc = remoteNWFilterGetXMLDesc, /* 0.8.0 */ .defineXML = remoteNWFilterDefineXML, /* 0.8.0 */ .undefine = remoteNWFilterUndefine, /* 0.8.0 */ .numOfNWFilters = remoteNumOfNWFilters, /* 0.8.0 */ .listNWFilters = remoteListNWFilters, /* 0.8.0 */ }; #ifdef WITH_LIBVIRTD static virStateDriver state_driver = { .name = "Remote", .initialize = remoteStartup, }; #endif /** remoteRegister: * * Register driver with libvirt driver system. * * Returns -1 on error. */ int remoteRegister (void) { if (virRegisterDriver (&remote_driver) == -1) return -1; if (virRegisterNetworkDriver (&network_driver) == -1) return -1; if (virRegisterInterfaceDriver (&interface_driver) == -1) return -1; if (virRegisterStorageDriver (&storage_driver) == -1) return -1; if (virRegisterDeviceMonitor (&dev_monitor) == -1) return -1; if (virRegisterSecretDriver (&secret_driver) == -1) return -1; if (virRegisterNWFilterDriver(&nwfilter_driver) == -1) return -1; #ifdef WITH_LIBVIRTD if (virRegisterStateDriver (&state_driver) == -1) return -1; #endif return 0; }