static virSecretDefPtr
secretXMLParseNode(xmlDocPtr xml, xmlNodePtr root)
{
xmlXPathContextPtr ctxt = NULL;
virSecretDefPtr def = NULL, ret = NULL;
char *prop = NULL;
char *uuidstr = NULL;
if (!virXMLNodeNameEqual(root, "secret")) {
virReportError(VIR_ERR_XML_ERROR,
_("unexpected root element <%s>, "
"expecting <secret>"),
root->name);
goto cleanup;
}
ctxt = xmlXPathNewContext(xml);
if (ctxt == NULL) {
virReportOOMError();
goto cleanup;
}
ctxt->node = root;
if (VIR_ALLOC(def) < 0)
goto cleanup;
prop = virXPathString("string(./@ephemeral)", ctxt);
if (prop != NULL) {
if (STREQ(prop, "yes")) {
def->isephemeral = true;
} else if (STREQ(prop, "no")) {
def->isephemeral = false;
} else {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("invalid value of 'ephemeral'"));
goto cleanup;
}
VIR_FREE(prop);
}
prop = virXPathString("string(./@private)", ctxt);
if (prop != NULL) {
if (STREQ(prop, "yes")) {
def->isprivate = true;
} else if (STREQ(prop, "no")) {
def->isprivate = false;
} else {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("invalid value of 'private'"));
goto cleanup;
}
VIR_FREE(prop);
}
uuidstr = virXPathString("string(./uuid)", ctxt);
if (!uuidstr) {
if (virUUIDGenerate(def->uuid)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("Failed to generate UUID"));
goto cleanup;
}
} else {
if (virUUIDParse(uuidstr, def->uuid) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("malformed uuid element"));
goto cleanup;
}
VIR_FREE(uuidstr);
}
def->description = virXPathString("string(./description)", ctxt);
if (virXPathNode("./usage", ctxt) != NULL
&& virSecretDefParseUsage(ctxt, def) < 0)
goto cleanup;
ret = def;
def = NULL;
cleanup:
VIR_FREE(prop);
VIR_FREE(uuidstr);
virSecretDefFree(def);
xmlXPathFreeContext(ctxt);
return ret;
}
/**
* virNetDevBandwidthParse:
* @bandwidth: parsed bandwidth
* @node: XML node
* @allowFloor: whether "floor" setting is supported
*
* Parse bandwidth XML and return pointer to structure.
* The @allowFloor attribute indicates whether the caller
* is able to support use of the "floor" setting.
*
* Returns !NULL on success, NULL on error.
*/
int
virNetDevBandwidthParse(virNetDevBandwidthPtr *bandwidth,
xmlNodePtr node,
bool allowFloor)
{
int ret = -1;
virNetDevBandwidthPtr def = NULL;
xmlNodePtr cur;
xmlNodePtr in = NULL, out = NULL;
if (VIR_ALLOC(def) < 0)
return ret;
if (!node || !virXMLNodeNameEqual(node, "bandwidth")) {
virReportError(VIR_ERR_INVALID_ARG, "%s",
_("invalid argument supplied"));
goto cleanup;
}
cur = node->children;
while (cur) {
if (cur->type == XML_ELEMENT_NODE) {
if (virXMLNodeNameEqual(cur, "inbound")) {
if (in) {
virReportError(VIR_ERR_XML_DETAIL, "%s",
_("Only one child <inbound> "
"element allowed"));
goto cleanup;
}
in = cur;
} else if (virXMLNodeNameEqual(cur, "outbound")) {
if (out) {
virReportError(VIR_ERR_XML_DETAIL, "%s",
_("Only one child <outbound> "
"element allowed"));
goto cleanup;
}
out = cur;
}
/* Silently ignore unknown elements */
}
cur = cur->next;
}
if (in) {
if (VIR_ALLOC(def->in) < 0)
goto cleanup;
if (virNetDevBandwidthParseRate(in, def->in) < 0) {
/* helper reported error for us */
goto cleanup;
}
if (def->in->floor && !allowFloor) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("floor attribute is not supported for this config"));
goto cleanup;
}
}
if (out) {
if (VIR_ALLOC(def->out) < 0)
goto cleanup;
if (virNetDevBandwidthParseRate(out, def->out) < 0) {
/* helper reported error for us */
goto cleanup;
}
if (def->out->floor) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("'floor' attribute allowed "
"only in <inbound> element"));
goto cleanup;
}
}
if (!def->in && !def->out)
VIR_FREE(def);
*bandwidth = def;
def = NULL;
ret = 0;
cleanup:
virNetDevBandwidthFree(def);
return ret;
}
/*
* Parses CPU definition XML from a node pointed to by @xpath. If @xpath is
* NULL, the current node of @ctxt is used (i.e., it is a shortcut to ".").
*
* Missing <cpu> element in the XML document is not considered an error unless
* @xpath is NULL in which case the function expects it was provided with a
* valid <cpu> element already. In other words, the function returns success
* and sets @cpu to NULL if @xpath is not NULL and the node pointed to by
* @xpath is not found.
*
* Returns 0 on success, -1 on error.
*/
int
virCPUDefParseXML(xmlXPathContextPtr ctxt,
const char *xpath,
virCPUType type,
virCPUDefPtr *cpu)
{
virCPUDefPtr def = NULL;
xmlNodePtr *nodes = NULL;
xmlNodePtr oldnode = ctxt->node;
int n;
size_t i;
char *cpuMode;
char *fallback = NULL;
char *vendor_id = NULL;
int ret = -1;
*cpu = NULL;
if (xpath && !(ctxt->node = virXPathNode(xpath, ctxt))) {
ret = 0;
goto cleanup;
}
if (!virXMLNodeNameEqual(ctxt->node, "cpu")) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("XML does not contain expected 'cpu' element"));
goto cleanup;
}
if (VIR_ALLOC(def) < 0)
goto cleanup;
if (type == VIR_CPU_TYPE_AUTO) {
if (virXPathBoolean("boolean(./arch)", ctxt)) {
if (virXPathBoolean("boolean(./@match)", ctxt)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("'arch' element cannot be used inside 'cpu'"
" element with 'match' attribute'"));
goto cleanup;
}
def->type = VIR_CPU_TYPE_HOST;
} else {
def->type = VIR_CPU_TYPE_GUEST;
}
} else {
def->type = type;
}
if ((cpuMode = virXMLPropString(ctxt->node, "mode"))) {
if (def->type == VIR_CPU_TYPE_HOST) {
VIR_FREE(cpuMode);
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Attribute mode is only allowed for guest CPU"));
goto cleanup;
} else {
def->mode = virCPUModeTypeFromString(cpuMode);
if (def->mode < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Invalid mode attribute '%s'"),
cpuMode);
VIR_FREE(cpuMode);
goto cleanup;
}
VIR_FREE(cpuMode);
}
} else {
if (def->type == VIR_CPU_TYPE_HOST)
def->mode = -1;
else
def->mode = VIR_CPU_MODE_CUSTOM;
}
if (def->type == VIR_CPU_TYPE_GUEST) {
char *match = virXMLPropString(ctxt->node, "match");
char *check;
if (!match) {
if (virXPathBoolean("boolean(./model)", ctxt))
def->match = VIR_CPU_MATCH_EXACT;
else
def->match = -1;
} else {
def->match = virCPUMatchTypeFromString(match);
VIR_FREE(match);
if (def->match < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Invalid match attribute for CPU "
"specification"));
goto cleanup;
}
}
if ((check = virXMLPropString(ctxt->node, "check"))) {
int value = virCPUCheckTypeFromString(check);
VIR_FREE(check);
if (value < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Invalid check attribute for CPU "
"specification"));
goto cleanup;
}
def->check = value;
}
}
if (def->type == VIR_CPU_TYPE_HOST) {
char *arch = virXPathString("string(./arch[1])", ctxt);
if (!arch) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Missing CPU architecture"));
goto cleanup;
}
if ((def->arch = virArchFromString(arch)) == VIR_ARCH_NONE) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unknown architecture %s"), arch);
VIR_FREE(arch);
goto cleanup;
}
VIR_FREE(arch);
if (virXPathBoolean("boolean(./microcode[1]/@version)", ctxt) > 0 &&
virXPathUInt("string(./microcode[1]/@version)", ctxt,
&def->microcodeVersion) < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("invalid microcode version"));
goto cleanup;
}
}
if (!(def->model = virXPathString("string(./model[1])", ctxt)) &&
def->type == VIR_CPU_TYPE_HOST) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Missing CPU model name"));
goto cleanup;
}
if (def->type == VIR_CPU_TYPE_GUEST &&
def->mode != VIR_CPU_MODE_HOST_PASSTHROUGH) {
if ((fallback = virXPathString("string(./model[1]/@fallback)", ctxt))) {
if ((def->fallback = virCPUFallbackTypeFromString(fallback)) < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Invalid fallback attribute"));
goto cleanup;
}
}
if ((vendor_id = virXPathString("string(./model[1]/@vendor_id)",
ctxt))) {
if (strlen(vendor_id) != VIR_CPU_VENDOR_ID_LENGTH) {
virReportError(VIR_ERR_XML_ERROR,
_("vendor_id must be exactly %d characters long"),
VIR_CPU_VENDOR_ID_LENGTH);
goto cleanup;
}
/* ensure that the string can be passed to qemu*/
if (strchr(vendor_id, ',')) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("vendor id is invalid"));
goto cleanup;
}
def->vendor_id = vendor_id;
vendor_id = NULL;
}
}
def->vendor = virXPathString("string(./vendor[1])", ctxt);
if (def->vendor && !def->model) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("CPU vendor specified without CPU model"));
goto cleanup;
}
if (virXPathNode("./topology[1]", ctxt)) {
unsigned long ul;
if (virXPathULong("string(./topology[1]/@sockets)", ctxt, &ul) < 0) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Missing 'sockets' attribute in CPU topology"));
goto cleanup;
}
def->sockets = (unsigned int) ul;
if (virXPathULong("string(./topology[1]/@cores)", ctxt, &ul) < 0) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Missing 'cores' attribute in CPU topology"));
goto cleanup;
}
def->cores = (unsigned int) ul;
if (virXPathULong("string(./topology[1]/@threads)", ctxt, &ul) < 0) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Missing 'threads' attribute in CPU topology"));
goto cleanup;
}
def->threads = (unsigned int) ul;
if (!def->sockets || !def->cores || !def->threads) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Invalid CPU topology"));
goto cleanup;
}
}
if ((n = virXPathNodeSet("./feature", ctxt, &nodes)) < 0)
goto cleanup;
if (n > 0) {
if (!def->model && def->mode == VIR_CPU_MODE_CUSTOM) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Non-empty feature list specified without "
"CPU model"));
goto cleanup;
}
if (VIR_RESIZE_N(def->features, def->nfeatures_max,
def->nfeatures, n) < 0)
goto cleanup;
def->nfeatures = n;
}
for (i = 0; i < n; i++) {
char *name;
int policy; /* enum virDomainCPUFeaturePolicy */
size_t j;
if (def->type == VIR_CPU_TYPE_GUEST) {
char *strpolicy;
strpolicy = virXMLPropString(nodes[i], "policy");
if (strpolicy == NULL)
policy = VIR_CPU_FEATURE_REQUIRE;
else
policy = virCPUFeaturePolicyTypeFromString(strpolicy);
VIR_FREE(strpolicy);
if (policy < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Invalid CPU feature policy"));
goto cleanup;
}
} else {
policy = -1;
}
if (!(name = virXMLPropString(nodes[i], "name")) || *name == 0) {
VIR_FREE(name);
virReportError(VIR_ERR_XML_ERROR, "%s",
_("Invalid CPU feature name"));
goto cleanup;
}
for (j = 0; j < i; j++) {
if (STREQ(name, def->features[j].name)) {
virReportError(VIR_ERR_XML_ERROR,
_("CPU feature '%s' specified more than once"),
name);
VIR_FREE(name);
goto cleanup;
}
}
def->features[i].name = name;
def->features[i].policy = policy;
}
if (virXPathInt("count(./cache)", ctxt, &n) < 0) {
goto cleanup;
} else if (n > 1) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("at most one CPU cache element may be specified"));
goto cleanup;
} else if (n == 1) {
int level = -1;
char *strmode;
int mode;
if (virXPathBoolean("boolean(./cache[1]/@level)", ctxt) == 1 &&
(virXPathInt("string(./cache[1]/@level)", ctxt, &level) < 0 ||
level < 1 || level > 3)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("invalid CPU cache level, must be in range [1,3]"));
goto cleanup;
}
if (!(strmode = virXPathString("string(./cache[1]/@mode)", ctxt)) ||
(mode = virCPUCacheModeTypeFromString(strmode)) < 0) {
VIR_FREE(strmode);
virReportError(VIR_ERR_XML_ERROR, "%s",
_("missing or invalid CPU cache mode"));
goto cleanup;
}
VIR_FREE(strmode);
if (VIR_ALLOC(def->cache) < 0)
goto cleanup;
def->cache->level = level;
def->cache->mode = mode;
}
VIR_STEAL_PTR(*cpu, def);
ret = 0;
cleanup:
ctxt->node = oldnode;
VIR_FREE(fallback);
VIR_FREE(vendor_id);
VIR_FREE(nodes);
virCPUDefFree(def);
return ret;
}
