static int virSecurityManagerCheckModel(virSecurityManagerPtr mgr,
char *secmodel)
{
int ret = -1;
size_t i;
virSecurityManagerPtr *sec_managers = NULL;
if (STREQ_NULLABLE(secmodel, "none"))
return 0;
if ((sec_managers = virSecurityManagerGetNested(mgr)) == NULL)
return -1;
for (i = 0; sec_managers[i]; i++) {
if (STREQ_NULLABLE(secmodel, sec_managers[i]->drv->name)) {
ret = 0;
goto cleanup;
}
}
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unable to find security driver for model %s"),
secmodel);
cleanup:
VIR_FREE(sec_managers);
return ret;
}
static char *
getSocketPath(virURIPtr uri)
{
char *rundir = virGetUserRuntimeDirectory();
char *sock_path = NULL;
size_t i = 0;
if (!uri)
goto cleanup;
for (i = 0; i < uri->paramsCount; i++) {
virURIParamPtr param = &uri->params[i];
if (STREQ(param->name, "socket")) {
VIR_FREE(sock_path);
if (VIR_STRDUP(sock_path, param->value) < 0)
goto error;
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unknown URI parameter '%s'"), param->name);
goto error;
}
}
if (!sock_path) {
if (STRNEQ(uri->scheme, "libvirtd")) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unsupported URI scheme '%s'"),
uri->scheme);
goto error;
}
if (STREQ_NULLABLE(uri->path, "/system")) {
if (VIR_STRDUP(sock_path, LIBVIRTD_ADMIN_UNIX_SOCKET) < 0)
goto error;
} else if (STREQ_NULLABLE(uri->path, "/session")) {
if (!rundir || virAsprintf(&sock_path, "%s%s", rundir,
LIBVIRTD_ADMIN_SOCK_NAME) < 0)
goto error;
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Invalid URI path '%s', try '/system'"),
uri->path ? uri->path : "");
goto error;
}
}
cleanup:
VIR_FREE(rundir);
return sock_path;
error:
VIR_FREE(sock_path);
goto cleanup;
}
static void
virLXCDomainReAttachHostUsbDevices(virLXCDriverPtr driver,
const char *name,
virDomainHostdevDefPtr *hostdevs,
int nhostdevs)
{
size_t i;
for (i = 0; i < nhostdevs; i++) {
virDomainHostdevDefPtr hostdev = hostdevs[i];
virUSBDevicePtr usb, tmp;
const char *used_by = NULL;
if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS)
continue;
if (hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB)
continue;
if (hostdev->missing)
continue;
usb = virUSBDeviceNew(hostdev->source.subsys.u.usb.bus,
hostdev->source.subsys.u.usb.device,
NULL);
if (!usb) {
VIR_WARN("Unable to reattach USB device %03d.%03d on domain %s",
hostdev->source.subsys.u.usb.bus,
hostdev->source.subsys.u.usb.device,
name);
continue;
}
/* Delete only those USB devices which belongs
* to domain @name because virLXCProcessStart() might
* have failed because USB device is already taken.
* Therefore we want to steal only those devices from
* the list which were taken by @name */
tmp = virUSBDeviceListFind(driver->activeUsbHostdevs, usb);
virUSBDeviceFree(usb);
if (!tmp) {
VIR_WARN("Unable to find device %03d.%03d "
"in list of active USB devices",
hostdev->source.subsys.u.usb.bus,
hostdev->source.subsys.u.usb.device);
continue;
}
used_by = virUSBDeviceGetUsedBy(tmp);
if (STREQ_NULLABLE(used_by, name)) {
VIR_DEBUG("Removing %03d.%03d dom=%s from activeUsbHostdevs",
hostdev->source.subsys.u.usb.bus,
hostdev->source.subsys.u.usb.device,
name);
virUSBDeviceListDel(driver->activeUsbHostdevs, tmp);
}
}
}
static int virLockManagerSanlockInquire(virLockManagerPtr lock,
char **state,
unsigned int flags)
{
virLockManagerSanlockPrivatePtr priv = lock->privateData;
int rv, res_count;
virCheckFlags(0, -1);
if (!state) {
virReportError(VIR_ERR_INVALID_ARG, __FUNCTION__);
return -1;
}
VIR_DEBUG("pid=%d", priv->vm_pid);
if ((rv = sanlock_inquire(-1, priv->vm_pid, 0, &res_count, state)) < 0) {
if (rv <= -200)
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to inquire lock: error %d"), rv);
else
virReportSystemError(-rv, "%s",
_("Failed to inquire lock"));
return -1;
}
if (STREQ_NULLABLE(*state, ""))
VIR_FREE(*state);
return 0;
}
static int
testSELinuxCheckLabels(testSELinuxFile *files, size_t nfiles)
{
size_t i;
security_context_t ctx;
for (i = 0; i < nfiles; i++) {
ctx = NULL;
if (getfilecon(files[i].file, &ctx) < 0) {
if (errno == ENODATA) {
/* nothing to do */
} else if (errno == EOPNOTSUPP) {
if (VIR_STRDUP(ctx, "EOPNOTSUPP") < 0)
return -1;
} else {
virReportSystemError(errno,
"Cannot read label on %s",
files[i].file);
return -1;
}
}
if (!STREQ_NULLABLE(files[i].context, ctx)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"File %s context '%s' did not match epected '%s'",
files[i].file, ctx, files[i].context);
VIR_FREE(ctx);
return -1;
}
VIR_FREE(ctx);
}
return 0;
}
bool
virNWFilterVarValueEqual(const virNWFilterVarValue *a,
const virNWFilterVarValue *b)
{
unsigned int card;
size_t i, j;
const char *s;
if (!a || !b)
return false;
card = virNWFilterVarValueGetCardinality(a);
if (card != virNWFilterVarValueGetCardinality(b))
return false;
/* brute force O(n^2) comparison */
for (i = 0; i < card; i++) {
bool eq = false;
s = virNWFilterVarValueGetNthValue(a, i);
for (j = 0; j < card; j++) {
if (STREQ_NULLABLE(s, virNWFilterVarValueGetNthValue(b, j))) {
eq = true;
break;
}
}
if (!eq)
return false;
}
return true;
}
static int
testQEMUSchemaValidateBuiltin(virJSONValuePtr obj,
virJSONValuePtr root,
virBufferPtr debug)
{
const char *t = virJSONValueObjectGetString(root, "json-type");
const char *s = NULL;
bool b = false;
int ret = -1;
if (STREQ_NULLABLE(t, "value")) {
s = "{any}";
ret = 0;
goto cleanup;
}
switch (virJSONValueGetType(obj)) {
case VIR_JSON_TYPE_STRING:
if (STRNEQ_NULLABLE(t, "string"))
goto cleanup;
s = virJSONValueGetString(obj);
break;
case VIR_JSON_TYPE_NUMBER:
if (STRNEQ_NULLABLE(t, "int") &&
STRNEQ_NULLABLE(t, "number"))
goto cleanup;
s = "{number}";
break;
case VIR_JSON_TYPE_BOOLEAN:
if (STRNEQ_NULLABLE(t, "boolean"))
goto cleanup;
virJSONValueGetBoolean(obj, &b);
if (b)
s = "true";
else
s = "false";
break;
case VIR_JSON_TYPE_NULL:
if (STRNEQ_NULLABLE(t, "null"))
goto cleanup;
break;
case VIR_JSON_TYPE_OBJECT:
case VIR_JSON_TYPE_ARRAY:
goto cleanup;
}
ret = 0;
cleanup:
if (ret == 0)
virBufferAsprintf(debug, "'%s': OK", s);
else
virBufferAsprintf(debug, "ERROR: expected type '%s', actual type %d",
t, virJSONValueGetType(obj));
return ret;
}
static virDomainNetDefPtr
lxcCreateNetDef(const char *type,
const char *linkdev,
const char *mac,
const char *flag,
const char *macvlanmode,
const char *name)
{
virDomainNetDefPtr net = NULL;
virMacAddr macAddr;
if (VIR_ALLOC(net) < 0)
goto error;
if (STREQ_NULLABLE(flag, "up"))
net->linkstate = VIR_DOMAIN_NET_INTERFACE_LINK_STATE_UP;
else
net->linkstate = VIR_DOMAIN_NET_INTERFACE_LINK_STATE_DOWN;
if (VIR_STRDUP(net->ifname_guest, name) < 0)
goto error;
if (mac && virMacAddrParse(mac, &macAddr) == 0)
net->mac = macAddr;
if (STREQ(type, "veth")) {
if (!linkdev)
goto error;
net->type = VIR_DOMAIN_NET_TYPE_BRIDGE;
if (VIR_STRDUP(net->data.bridge.brname, linkdev) < 0)
goto error;
} else if (STREQ(type, "macvlan")) {
net->type = VIR_DOMAIN_NET_TYPE_DIRECT;
if (!linkdev || VIR_STRDUP(net->data.direct.linkdev, linkdev) < 0)
goto error;
if (!macvlanmode || STREQ(macvlanmode, "private"))
net->data.direct.mode = VIR_NETDEV_MACVLAN_MODE_PRIVATE;
else if (STREQ(macvlanmode, "vepa"))
net->data.direct.mode = VIR_NETDEV_MACVLAN_MODE_VEPA;
else if (STREQ(macvlanmode, "bridge"))
net->data.direct.mode = VIR_NETDEV_MACVLAN_MODE_BRIDGE;
else
VIR_WARN("Unknown macvlan type: %s", macvlanmode);
}
return net;
error:
virDomainNetDefFree(net);
return NULL;
}
void
virSCSIDeviceListDel(virSCSIDeviceListPtr list,
virSCSIDevicePtr dev,
const char *drvname,
const char *domname)
{
virSCSIDevicePtr tmp = NULL;
size_t i;
for (i = 0; i < dev->n_used_by; i++) {
if (STREQ_NULLABLE(dev->used_by[i]->drvname, drvname) &&
STREQ_NULLABLE(dev->used_by[i]->domname, domname)) {
if (dev->n_used_by > 1) {
virSCSIDeviceUsedByInfoFree(dev->used_by[i]);
VIR_DELETE_ELEMENT(dev->used_by, i, dev->n_used_by);
} else {
tmp = virSCSIDeviceListSteal(list, dev);
virSCSIDeviceFree(tmp);
}
break;
}
}
}
static struct cpuArchDriver *
cpuGetSubDriverByName(const char *name)
{
size_t i;
for (i = 0; i < ARRAY_CARDINALITY(drivers); i++) {
if (STREQ_NULLABLE(name, drivers[i]->name))
return drivers[i];
}
virReportError(VIR_ERR_INTERNAL_ERROR,
_("CPU driver '%s' does not exist"),
name);
return NULL;
}
/**
* virConfSetValue:
* @conf: a configuration file handle
* @setting: the name of the entry
* @value: the new configuration value
*
* Set (or replace) the value associated to this entry in the configuration
* file. The passed in 'value' will be owned by the conf object upon return
* of this method, even in case of error. It should not be referenced again
* by the caller.
*
* Returns 0 on success, or -1 on failure.
*/
int
virConfSetValue(virConfPtr conf,
const char *setting,
virConfValuePtr value)
{
virConfEntryPtr cur, prev = NULL;
if (value && value->type == VIR_CONF_STRING && value->str == NULL) {
virConfFreeValue(value);
return -1;
}
cur = conf->entries;
while (cur != NULL) {
if (STREQ_NULLABLE(cur->name, setting))
break;
prev = cur;
cur = cur->next;
}
if (!cur) {
if (VIR_ALLOC(cur) < 0) {
virConfFreeValue(value);
return -1;
}
cur->comment = NULL;
if (VIR_STRDUP(cur->name, setting) < 0) {
virConfFreeValue(value);
VIR_FREE(cur);
return -1;
}
cur->value = value;
if (prev) {
cur->next = prev->next;
prev->next = cur;
} else {
cur->next = conf->entries;
conf->entries = cur;
}
} else {
virConfFreeValue(cur->value);
cur->value = value;
}
return 0;
}
virNWFilterObjPtr
virNWFilterObjListFindByName(virNWFilterObjListPtr nwfilters,
const char *name)
{
size_t i;
virNWFilterObjPtr obj;
virNWFilterDefPtr def;
for (i = 0; i < nwfilters->count; i++) {
obj = nwfilters->objs[i];
virNWFilterObjLock(obj);
def = obj->def;
if (STREQ_NULLABLE(def->name, name))
return obj;
virNWFilterObjUnlock(obj);
}
return NULL;
}
static virJSONValuePtr
testQEMUSchemaStealObjectMemberByName(const char *name,
virJSONValuePtr members)
{
virJSONValuePtr member;
virJSONValuePtr ret = NULL;
size_t i;
for (i = 0; i < virJSONValueArraySize(members); i++) {
member = virJSONValueArrayGet(members, i);
if (STREQ_NULLABLE(name, virJSONValueObjectGetString(member, "name"))) {
ret = virJSONValueArraySteal(members, i);
break;
}
}
return ret;
}
static virDrvOpenStatus
bhyveConnectOpen(virConnectPtr conn,
virConnectAuthPtr auth ATTRIBUTE_UNUSED,
unsigned int flags)
{
virCheckFlags(VIR_CONNECT_RO, VIR_DRV_OPEN_ERROR);
if (conn->uri == NULL) {
if (bhyve_driver == NULL)
return VIR_DRV_OPEN_DECLINED;
if (!(conn->uri = virURIParse("bhyve:///system")))
return VIR_DRV_OPEN_ERROR;
} else {
if (!conn->uri->scheme || STRNEQ(conn->uri->scheme, "bhyve"))
return VIR_DRV_OPEN_DECLINED;
if (conn->uri->server)
return VIR_DRV_OPEN_DECLINED;
if (!STREQ_NULLABLE(conn->uri->path, "/system")) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Unexpected bhyve URI path '%s', try bhyve:///system"),
conn->uri->path);
return VIR_DRV_OPEN_ERROR;
}
if (bhyve_driver == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("bhyve state driver is not active"));
return VIR_DRV_OPEN_ERROR;
}
}
if (virConnectOpenEnsureACL(conn) < 0)
return VIR_DRV_OPEN_ERROR;
conn->privateData = bhyve_driver;
return VIR_DRV_OPEN_SUCCESS;
}
static int virLockManagerSanlockRelease(virLockManagerPtr lock,
char **state,
unsigned int flags)
{
virLockManagerSanlockPrivatePtr priv = lock->privateData;
int res_count = priv->res_count;
int rv;
virCheckFlags(0, -1);
if (state) {
if ((rv = sanlock_inquire(-1, priv->vm_pid, 0, &res_count, state)) < 0) {
if (rv <= -200)
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to inquire lock: error %d"), rv);
else
virReportSystemError(-rv, "%s",
_("Failed to inquire lock"));
return -1;
}
if (STREQ_NULLABLE(*state, ""))
VIR_FREE(*state);
}
if ((rv = sanlock_release(-1, priv->vm_pid, 0, res_count,
priv->res_args)) < 0) {
if (rv <= -200)
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to release lock: error %d"), rv);
else
virReportSystemError(-rv, "%s",
_("Failed to release lock"));
return -1;
}
return 0;
}
int virSystemdTerminateMachine(const char *name,
const char *drivername,
bool privileged)
{
int ret;
DBusConnection *conn;
char *machinename = NULL;
virError error;
memset(&error, 0, sizeof(error));
ret = virDBusIsServiceEnabled("org.freedesktop.machine1");
if (ret < 0)
goto cleanup;
if ((ret = virDBusIsServiceRegistered("org.freedesktop.systemd1")) < 0)
goto cleanup;
ret = -1;
if (!(conn = virDBusGetSystemBus()))
goto cleanup;
if (!(machinename = virSystemdMakeMachineName(name, drivername, privileged)))
goto cleanup;
/*
* The systemd DBus API we're invoking has the
* following signature
*
* TerminateMachine(in s name);
*
* @name a host unique name for the machine. shows up
* in 'ps' listing & similar
*/
VIR_DEBUG("Attempting to terminate machine via systemd");
if (virDBusCallMethod(conn,
NULL,
&error,
"org.freedesktop.machine1",
"/org/freedesktop/machine1",
"org.freedesktop.machine1.Manager",
"TerminateMachine",
"s",
machinename) < 0)
goto cleanup;
if (error.code == VIR_ERR_ERROR &&
!STREQ_NULLABLE("org.freedesktop.machine1.NoSuchMachine",
error.str1)) {
virReportErrorObject(&error);
goto cleanup;
}
ret = 0;
cleanup:
virResetError(&error);
VIR_FREE(machinename);
return ret;
}
int
virAuthGetConfigFilePathURI(virURIPtr uri,
char **path)
{
int ret = -1;
size_t i;
const char *authenv = virGetEnvBlockSUID("LIBVIRT_AUTH_FILE");
char *userdir = NULL;
*path = NULL;
VIR_DEBUG("Determining auth config file path");
if (authenv) {
VIR_DEBUG("Using path from env '%s'", authenv);
if (VIR_STRDUP(*path, authenv) < 0)
goto cleanup;
return 0;
}
if (uri) {
for (i = 0; i < uri->paramsCount; i++) {
if (STREQ_NULLABLE(uri->params[i].name, "authfile") &&
uri->params[i].value) {
VIR_DEBUG("Using path from URI '%s'", uri->params[i].value);
if (VIR_STRDUP(*path, uri->params[i].value) < 0)
goto cleanup;
return 0;
}
}
}
if (!(userdir = virGetUserConfigDirectory()))
goto cleanup;
if (virAsprintf(path, "%s/auth.conf", userdir) < 0)
goto cleanup;
VIR_DEBUG("Checking for readability of '%s'", *path);
if (access(*path, R_OK) == 0)
goto done;
VIR_FREE(*path);
if (VIR_STRDUP(*path, SYSCONFDIR "/libvirt/auth.conf") < 0)
goto cleanup;
VIR_DEBUG("Checking for readability of '%s'", *path);
if (access(*path, R_OK) == 0)
goto done;
VIR_FREE(*path);
done:
ret = 0;
VIR_DEBUG("Using auth file '%s'", NULLSTR(*path));
cleanup:
VIR_FREE(userdir);
return ret;
}
int virAuthGetConfigFilePath(virConnectPtr conn,
char **path)
{
int ret = -1;
size_t i;
const char *authenv = getenv("LIBVIRT_AUTH_FILE");
char *userdir = NULL;
*path = NULL;
VIR_DEBUG("Determining auth config file path");
if (authenv) {
VIR_DEBUG("Using path from env '%s'", authenv);
if (!(*path = strdup(authenv)))
goto no_memory;
return 0;
}
if (conn && conn->uri) {
for (i = 0 ; i < conn->uri->paramsCount ; i++) {
if (STREQ_NULLABLE(conn->uri->params[i].name, "authfile") &&
conn->uri->params[i].value) {
VIR_DEBUG("Using path from URI '%s'",
conn->uri->params[i].value);
if (!(*path = strdup(conn->uri->params[i].value)))
goto no_memory;
return 0;
}
}
}
if (!(userdir = virGetUserConfigDirectory()))
goto cleanup;
if (virAsprintf(path, "%s/auth.conf", userdir) < 0)
goto no_memory;
VIR_DEBUG("Checking for readability of '%s'", *path);
if (access(*path, R_OK) == 0)
goto done;
VIR_FREE(*path);
if (!(*path = strdup(SYSCONFDIR "/libvirt/auth.conf")))
goto no_memory;
VIR_DEBUG("Checking for readability of '%s'", *path);
if (access(*path, R_OK) == 0)
goto done;
VIR_FREE(*path);
done:
ret = 0;
VIR_DEBUG("Using auth file '%s'", NULLSTR(*path));
cleanup:
VIR_FREE(userdir);
return ret;
no_memory:
virReportOOMError();
goto cleanup;
}
/**
* testQEMUSchemaValidateObjectMergeVariant:
*
* Merges schema of variant @variantname in @root into @root and removes the
* 'variants' array from @root.
*/
static int
testQEMUSchemaValidateObjectMergeVariant(virJSONValuePtr root,
const char *variantfield,
const char *variantname,
virHashTablePtr schema,
virBufferPtr debug)
{
size_t i;
virJSONValuePtr variants = NULL;
virJSONValuePtr variant;
virJSONValuePtr variantschema;
virJSONValuePtr variantschemamembers;
virJSONValuePtr rootmembers;
const char *varianttype = NULL;
int ret = -1;
if (!(variants = virJSONValueObjectStealArray(root, "variants"))) {
virBufferAddLit(debug, "ERROR: missing 'variants' in schema\n");
return -2;
}
for (i = 0; i < virJSONValueArraySize(variants); i++) {
variant = virJSONValueArrayGet(variants, i);
if (STREQ_NULLABLE(variantname,
virJSONValueObjectGetString(variant, "case"))) {
varianttype = virJSONValueObjectGetString(variant, "type");
break;
}
}
if (!varianttype) {
virBufferAsprintf(debug, "ERROR: variant '%s' for discriminator '%s' not found\n",
variantname, variantfield);
goto cleanup;
}
if (!(variantschema = virHashLookup(schema, varianttype)) ||
!(variantschemamembers = virJSONValueObjectGetArray(variantschema, "members"))) {
virBufferAsprintf(debug,
"ERROR: missing schema or schema members for variant '%s'(%s)\n",
variantname, varianttype);
ret = -2;
goto cleanup;
}
rootmembers = virJSONValueObjectGetArray(root, "members");
if (virJSONValueArrayForeachSteal(variantschemamembers,
testQEMUSchemaValidateObjectMergeVariantMember,
rootmembers) < 0) {
ret = -2;
goto cleanup;
}
ret = 0;
cleanup:
virJSONValueFree(variants);
return ret;
}
static const char *
qemuAgentStringifyErrorClass(const char *klass)
{
if (STREQ_NULLABLE(klass, "BufferOverrun"))
return "Buffer overrun";
else if (STREQ_NULLABLE(klass, "CommandDisabled"))
return "The command has been disabled for this instance";
else if (STREQ_NULLABLE(klass, "CommandNotFound"))
return "The command has not been found";
else if (STREQ_NULLABLE(klass, "FdNotFound"))
return "File descriptor not found";
else if (STREQ_NULLABLE(klass, "InvalidParameter"))
return "Invalid parameter";
else if (STREQ_NULLABLE(klass, "InvalidParameterType"))
return "Invalid parameter type";
else if (STREQ_NULLABLE(klass, "InvalidParameterValue"))
return "Invalid parameter value";
else if (STREQ_NULLABLE(klass, "OpenFileFailed"))
return "Cannot open file";
else if (STREQ_NULLABLE(klass, "QgaCommandFailed"))
return "Guest agent command failed";
else if (STREQ_NULLABLE(klass, "QMPBadInputObjectMember"))
return "Bad QMP input object member";
else if (STREQ_NULLABLE(klass, "QMPExtraInputObjectMember"))
return "Unexpected extra object member";
else if (STREQ_NULLABLE(klass, "UndefinedError"))
return "An undefined error has occurred";
else if (STREQ_NULLABLE(klass, "Unsupported"))
return "this feature or command is not currently supported";
else if (klass)
return klass;
else
return "unknown QEMU command error";
}
void
qemuDomainReAttachHostScsiDevices(virQEMUDriverPtr driver,
const char *name,
virDomainHostdevDefPtr *hostdevs,
int nhostdevs)
{
int i;
virObjectLock(driver->activeScsiHostdevs);
for (i = 0; i < nhostdevs; i++) {
virDomainHostdevDefPtr hostdev = hostdevs[i];
virSCSIDevicePtr scsi, tmp;
const char *used_by = NULL;
virDomainDeviceDef dev;
dev.type = VIR_DOMAIN_DEVICE_HOSTDEV;
dev.data.hostdev = hostdev;
ignore_value(qemuRemoveSharedDevice(driver, &dev, name));
if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS ||
hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI)
continue;
if (!(scsi = virSCSIDeviceNew(hostdev->source.subsys.u.scsi.adapter,
hostdev->source.subsys.u.scsi.bus,
hostdev->source.subsys.u.scsi.target,
hostdev->source.subsys.u.scsi.unit,
hostdev->readonly))) {
VIR_WARN("Unable to reattach SCSI device %s:%d:%d:%d on domain %s",
hostdev->source.subsys.u.scsi.adapter,
hostdev->source.subsys.u.scsi.bus,
hostdev->source.subsys.u.scsi.target,
hostdev->source.subsys.u.scsi.unit,
name);
continue;
}
/* Only delete the devices which are marked as being used by @name,
* because qemuProcessStart could fail on the half way. */
tmp = virSCSIDeviceListFind(driver->activeScsiHostdevs, scsi);
virSCSIDeviceFree(scsi);
if (!tmp) {
VIR_WARN("Unable to find device %s:%d:%d:%d "
"in list of active SCSI devices",
hostdev->source.subsys.u.scsi.adapter,
hostdev->source.subsys.u.scsi.bus,
hostdev->source.subsys.u.scsi.target,
hostdev->source.subsys.u.scsi.unit);
continue;
}
used_by = virSCSIDeviceGetUsedBy(tmp);
if (STREQ_NULLABLE(used_by, name)) {
VIR_DEBUG("Removing %s:%d:%d:%d dom=%s from activeScsiHostdevs",
hostdev->source.subsys.u.scsi.adapter,
hostdev->source.subsys.u.scsi.bus,
hostdev->source.subsys.u.scsi.target,
hostdev->source.subsys.u.scsi.unit,
name);
virSCSIDeviceListDel(driver->activeScsiHostdevs, tmp);
}
}
virObjectUnlock(driver->activeScsiHostdevs);
}
static int
xenFormatXLDisk(virConfValuePtr list, virDomainDiskDefPtr disk)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
virConfValuePtr val, tmp;
int format = virDomainDiskGetFormat(disk);
const char *driver = virDomainDiskGetDriver(disk);
char *target = NULL;
/* format */
virBufferAddLit(&buf, "format=");
switch (format) {
case VIR_STORAGE_FILE_RAW:
virBufferAddLit(&buf, "raw,");
break;
case VIR_STORAGE_FILE_VHD:
virBufferAddLit(&buf, "xvhd,");
break;
case VIR_STORAGE_FILE_QCOW:
virBufferAddLit(&buf, "qcow,");
break;
case VIR_STORAGE_FILE_QCOW2:
virBufferAddLit(&buf, "qcow2,");
break;
/* set default */
default:
virBufferAddLit(&buf, "raw,");
}
/* device */
virBufferAsprintf(&buf, "vdev=%s,", disk->dst);
/* access */
virBufferAddLit(&buf, "access=");
if (disk->src->readonly)
virBufferAddLit(&buf, "ro,");
else if (disk->src->shared)
virBufferAddLit(&buf, "!,");
else
virBufferAddLit(&buf, "rw,");
if (disk->transient) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("transient disks not supported yet"));
goto cleanup;
}
/* backendtype */
virBufferAddLit(&buf, "backendtype=");
if (STREQ_NULLABLE(driver, "qemu"))
virBufferAddLit(&buf, "qdisk,");
else if (STREQ_NULLABLE(driver, "tap"))
virBufferAddLit(&buf, "tap,");
else if (STREQ_NULLABLE(driver, "phy"))
virBufferAddLit(&buf, "phy,");
/* devtype */
if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM)
virBufferAddLit(&buf, "devtype=cdrom,");
/*
* target
* From $xensrc/docs/misc/xl-disk-configuration.txt:
* When this parameter is specified by name, ie with the "target="
* syntax in the configuration file, it consumes the whole rest of the
* <diskspec> including trailing whitespaces. Therefore in that case
* it must come last.
*/
if (xenFormatXLDiskSrc(disk->src, &target) < 0)
goto cleanup;
virBufferAsprintf(&buf, "target=%s", target);
if (virBufferCheckError(&buf) < 0)
goto cleanup;
if (VIR_ALLOC(val) < 0)
goto cleanup;
val->type = VIR_CONF_STRING;
val->str = virBufferContentAndReset(&buf);
tmp = list->list;
while (tmp && tmp->next)
tmp = tmp->next;
if (tmp)
tmp->next = val;
else
list->list = val;
return 0;
cleanup:
VIR_FREE(target);
virBufferFreeAndReset(&buf);
return -1;
}
static int
xenFormatXLDisk(virConfValuePtr list, virDomainDiskDefPtr disk)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
virConfValuePtr val, tmp;
const char *src = virDomainDiskGetSource(disk);
int format = virDomainDiskGetFormat(disk);
const char *driver = virDomainDiskGetDriver(disk);
/* target */
virBufferAsprintf(&buf, "%s,", src);
/* format */
switch (format) {
case VIR_STORAGE_FILE_RAW:
virBufferAddLit(&buf, "raw,");
break;
case VIR_STORAGE_FILE_VHD:
virBufferAddLit(&buf, "xvhd,");
break;
case VIR_STORAGE_FILE_QCOW:
virBufferAddLit(&buf, "qcow,");
break;
case VIR_STORAGE_FILE_QCOW2:
virBufferAddLit(&buf, "qcow2,");
break;
/* set default */
default:
virBufferAddLit(&buf, "raw,");
}
/* device */
virBufferAdd(&buf, disk->dst, -1);
virBufferAddLit(&buf, ",");
if (disk->src->readonly)
virBufferAddLit(&buf, "r,");
else if (disk->src->shared)
virBufferAddLit(&buf, "!,");
else
virBufferAddLit(&buf, "w,");
if (disk->transient) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("transient disks not supported yet"));
goto cleanup;
}
if (STREQ_NULLABLE(driver, "qemu"))
virBufferAddLit(&buf, "backendtype=qdisk");
else if (STREQ_NULLABLE(driver, "tap"))
virBufferAddLit(&buf, "backendtype=tap");
else if (STREQ_NULLABLE(driver, "phy"))
virBufferAddLit(&buf, "backendtype=phy");
if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM)
virBufferAddLit(&buf, ",devtype=cdrom");
if (virBufferCheckError(&buf) < 0)
goto cleanup;
if (VIR_ALLOC(val) < 0)
goto cleanup;
val->type = VIR_CONF_STRING;
val->str = virBufferContentAndReset(&buf);
tmp = list->list;
while (tmp && tmp->next)
tmp = tmp->next;
if (tmp)
tmp->next = val;
else
list->list = val;
return 0;
cleanup:
virBufferFreeAndReset(&buf);
return -1;
}
static char *
getSocketPath(const char *name)
{
char *rundir = virGetUserRuntimeDirectory();
char *sock_path = NULL;
size_t i = 0;
virURIPtr uri = NULL;
if (name) {
if (!(uri = virURIParse(name)))
goto error;
if (STRNEQ(uri->scheme, "admin") ||
uri->server || uri->user || uri->fragment) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Invalid connection name '%s'"), name);
goto error;
}
for (i = 0; i < uri->paramsCount; i++) {
virURIParamPtr param = &uri->params[i];
if (STREQ(param->name, "socket")) {
VIR_FREE(sock_path);
if (VIR_STRDUP(sock_path, param->value) < 0)
goto error;
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unknown URI parameter '%s'"), param->name);
goto error;
}
}
}
if (!sock_path) {
if (!uri || !uri->path || STREQ(uri->path, "/system")) {
if (VIR_STRDUP(sock_path, LIBVIRTD_ADMIN_UNIX_SOCKET) < 0)
goto error;
} else if (STREQ_NULLABLE(uri->path, "/session")) {
if (!rundir)
goto error;
if (virAsprintf(&sock_path,
"%s%s", rundir, LIBVIRTD_ADMIN_SOCK_NAME) < 0)
goto error;
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Invalid URI path '%s'"), uri->path);
goto error;
}
}
cleanup:
VIR_FREE(rundir);
virURIFree(uri);
return sock_path;
error:
VIR_FREE(sock_path);
goto cleanup;
}
static int
xenParseXMDisk(virConfPtr conf, virDomainDefPtr def)
{
virDomainDiskDefPtr disk = NULL;
int hvm = def->os.type == VIR_DOMAIN_OSTYPE_HVM;
virConfValuePtr list = virConfGetValue(conf, "disk");
if (list && list->type == VIR_CONF_LIST) {
list = list->list;
while (list) {
char *head;
char *offset;
char *tmp;
const char *src;
if ((list->type != VIR_CONF_STRING) || (list->str == NULL))
goto skipdisk;
head = list->str;
if (!(disk = virDomainDiskDefNew(NULL)))
return -1;
/*
* Disks have 3 components, SOURCE,DEST-DEVICE,MODE
* eg, phy:/dev/HostVG/XenGuest1,xvda,w
* The SOURCE is usually prefixed with a driver type,
* and optionally driver sub-type
* The DEST-DEVICE is optionally post-fixed with disk type
*/
/* Extract the source file path*/
if (!(offset = strchr(head, ',')))
goto skipdisk;
if (offset == head) {
/* No source file given, eg CDROM with no media */
ignore_value(virDomainDiskSetSource(disk, NULL));
} else {
if (VIR_STRNDUP(tmp, head, offset - head) < 0)
goto cleanup;
if (virDomainDiskSetSource(disk, tmp) < 0) {
VIR_FREE(tmp);
goto cleanup;
}
VIR_FREE(tmp);
}
head = offset + 1;
/* Remove legacy ioemu: junk */
if (STRPREFIX(head, "ioemu:"))
head = head + 6;
/* Extract the dest device name */
if (!(offset = strchr(head, ',')))
goto skipdisk;
if (VIR_ALLOC_N(disk->dst, (offset - head) + 1) < 0)
goto cleanup;
if (virStrncpy(disk->dst, head, offset - head,
(offset - head) + 1) == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Dest file %s too big for destination"), head);
goto cleanup;
}
head = offset + 1;
/* Extract source driver type */
src = virDomainDiskGetSource(disk);
if (src) {
size_t len;
/* The main type phy:, file:, tap: ... */
if ((tmp = strchr(src, ':')) != NULL) {
len = tmp - src;
if (VIR_STRNDUP(tmp, src, len) < 0)
goto cleanup;
if (virDomainDiskSetDriver(disk, tmp) < 0) {
VIR_FREE(tmp);
goto cleanup;
}
VIR_FREE(tmp);
/* Strip the prefix we found off the source file name */
if (virDomainDiskSetSource(disk, src + len + 1) < 0)
goto cleanup;
src = virDomainDiskGetSource(disk);
}
/* And the sub-type for tap:XXX: type */
if (STREQ_NULLABLE(virDomainDiskGetDriver(disk), "tap")) {
char *driverType;
if (!(tmp = strchr(src, ':')))
goto skipdisk;
len = tmp - src;
if (VIR_STRNDUP(driverType, src, len) < 0)
goto cleanup;
if (STREQ(driverType, "aio"))
virDomainDiskSetFormat(disk, VIR_STORAGE_FILE_RAW);
else
virDomainDiskSetFormat(disk,
virStorageFileFormatTypeFromString(driverType));
VIR_FREE(driverType);
if (virDomainDiskGetFormat(disk) <= 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Unknown driver type %s"),
src);
goto cleanup;
}
/* Strip the prefix we found off the source file name */
if (virDomainDiskSetSource(disk, src + len + 1) < 0)
goto cleanup;
src = virDomainDiskGetSource(disk);
}
}
/* No source, or driver name, so fix to phy: */
if (!virDomainDiskGetDriver(disk) &&
virDomainDiskSetDriver(disk, "phy") < 0)
goto cleanup;
/* phy: type indicates a block device */
virDomainDiskSetType(disk,
STREQ(virDomainDiskGetDriver(disk), "phy") ?
VIR_STORAGE_TYPE_BLOCK :
VIR_STORAGE_TYPE_FILE);
/* Check for a :cdrom/:disk postfix */
disk->device = VIR_DOMAIN_DISK_DEVICE_DISK;
if ((tmp = strchr(disk->dst, ':')) != NULL) {
if (STREQ(tmp, ":cdrom"))
disk->device = VIR_DOMAIN_DISK_DEVICE_CDROM;
tmp[0] = '\0';
}
if (STRPREFIX(disk->dst, "xvd") || !hvm) {
disk->bus = VIR_DOMAIN_DISK_BUS_XEN;
} else if (STRPREFIX(disk->dst, "sd")) {
disk->bus = VIR_DOMAIN_DISK_BUS_SCSI;
} else {
disk->bus = VIR_DOMAIN_DISK_BUS_IDE;
}
if (STREQ(head, "r") ||
STREQ(head, "ro"))
disk->src->readonly = true;
else if ((STREQ(head, "w!")) ||
(STREQ(head, "!")))
disk->src->shared = true;
/* Maintain list in sorted order according to target device name */
if (VIR_APPEND_ELEMENT(def->disks, def->ndisks, disk) < 0)
goto cleanup;
skipdisk:
list = list->next;
virDomainDiskDefFree(disk);
disk = NULL;
}
}
return 0;
cleanup:
virDomainDiskDefFree(disk);
return -1;
}
static int testURIParse(const void *args)
{
int ret = -1;
virURIPtr uri = NULL;
const struct URIParseData *data = args;
char *uristr = NULL;
size_t i;
if (!(uri = virURIParse(data->uri)))
goto cleanup;
if (!STREQ(uri->scheme, data->scheme)) {
VIR_DEBUG("Expected scheme '%s', actual '%s'",
data->scheme, uri->scheme);
goto cleanup;
}
if (!STREQ(uri->server, data->server)) {
VIR_DEBUG("Expected server '%s', actual '%s'",
data->server, uri->server);
goto cleanup;
}
if (uri->port != data->port) {
VIR_DEBUG("Expected port '%d', actual '%d'",
data->port, uri->port);
goto cleanup;
}
if (!STREQ_NULLABLE(uri->path, data->path)) {
VIR_DEBUG("Expected path '%s', actual '%s'",
data->path, uri->path);
goto cleanup;
}
if (!STREQ_NULLABLE(uri->query, data->query)) {
VIR_DEBUG("Expected query '%s', actual '%s'",
data->query, uri->query);
goto cleanup;
}
if (!STREQ_NULLABLE(uri->fragment, data->fragment)) {
VIR_DEBUG("Expected fragment '%s', actual '%s'",
data->fragment, uri->fragment);
goto cleanup;
}
for (i = 0; data->params && data->params[i].name && i < uri->paramsCount; i++) {
if (!STREQ_NULLABLE(data->params[i].name, uri->params[i].name)) {
VIR_DEBUG("Expected param name %zu '%s', actual '%s'",
i, data->params[i].name, uri->params[i].name);
goto cleanup;
}
if (!STREQ_NULLABLE(data->params[i].value, uri->params[i].value)) {
VIR_DEBUG("Expected param value %zu '%s', actual '%s'",
i, data->params[i].value, uri->params[i].value);
goto cleanup;
}
}
if (data->params && data->params[i].name) {
VIR_DEBUG("Missing parameter %zu %s=%s",
i, data->params[i].name, data->params[i].value);
goto cleanup;
}
if (i != uri->paramsCount) {
VIR_DEBUG("Unexpected parameter %zu %s=%s",
i, uri->params[i].name, uri->params[i].value);
goto cleanup;
}
VIR_FREE(uri->query);
uri->query = virURIFormatParams(uri);
if (!(uristr = virURIFormat(uri)))
goto cleanup;
if (!STREQ(uristr, data->uri_out)) {
VIR_DEBUG("URI did not roundtrip, expect '%s', actual '%s'",
data->uri_out, uristr);
goto cleanup;
}
ret = 0;
cleanup:
VIR_FREE(uristr);
virURIFree(uri);
return ret;
}