8:20 p.m.
Signed-off-by: Shi Lei <shi_lei(a)massclouds.com>
---
src/conf/network_conf.c | 115 +++++++++++++++++++++++++++++++---------
1 file changed, 91 insertions(+), 24 deletions(-)
diff --git a/src/conf/network_conf.c b/src/conf/network_conf.c
index b807bac..21b13ad 100644
--- a/src/conf/network_conf.c
+++ b/src/conf/network_conf.c
@@ -785,23 +785,29 @@ virNetworkDNSHostDefParseXML(const char *networkName,
"_-+/*"
static int
-virNetworkDNSSrvDefParseXML(const char *networkName,
- xmlNodePtr node,
- xmlXPathContextPtr ctxt,
- virNetworkDNSSrvDefPtr def,
- bool partialOkay)
+virNetworkDNSSrvDefParseXMLHook(xmlNodePtr node G_GNUC_UNUSED,
+ virNetworkDNSSrvDefPtr def,
+ const char *networkName,
+ void *opaque,
+ const char *domainStr G_GNUC_UNUSED,
+ const char *serviceStr G_GNUC_UNUSED,
+ const char *protocolStr G_GNUC_UNUSED,
+ const char *targetStr G_GNUC_UNUSED,
+ const char *portStr,
+ const char *priorityStr,
+ const char *weightStr)
{
- int ret;
- VIR_XPATH_NODE_AUTORESTORE(ctxt);
-
- ctxt->node = node;
+ bool partialOkay = false;
+ if (opaque)
+ partialOkay = *((bool *) opaque);
- if (!(def->service = virXMLPropString(node, "service")) &&
!partialOkay) {
+ if (!def->service && !partialOkay) {
virReportError(VIR_ERR_XML_DETAIL,
_("missing required service attribute in DNS SRV record
"
"of network '%s'"), networkName);
goto error;
}
+
if (def->service) {
if (strlen(def->service) > DNS_RECORD_LENGTH_SRV) {
virReportError(VIR_ERR_XML_DETAIL,
@@ -819,13 +825,14 @@ virNetworkDNSSrvDefParseXML(const char *networkName,
}
}
- if (!(def->protocol = virXMLPropString(node, "protocol")) &&
!partialOkay) {
+ if (!def->protocol && !partialOkay) {
virReportError(VIR_ERR_XML_DETAIL,
_("missing required protocol attribute "
"in DNS SRV record '%s' of network
'%s'"),
def->service, networkName);
goto error;
}
+
if (def->protocol &&
strspn(def->protocol, PROTOCOL_CHARS) < strlen(def->protocol)) {
virReportError(VIR_ERR_XML_DETAIL,
@@ -835,19 +842,14 @@ virNetworkDNSSrvDefParseXML(const char *networkName,
goto error;
}
- /* Following attributes are optional */
- def->domain = virXMLPropString(node, "domain");
- def->target = virXMLPropString(node, "target");
-
- ret = virXPathUInt("string(./@port)", ctxt, &def->port);
- if (ret >= 0 && !def->target) {
+ if (portStr && !def->target) {
virReportError(VIR_ERR_XML_DETAIL,
_("DNS SRV port attribute not permitted without "
"target for service '%s' in network
'%s'"),
def->service, networkName);
goto error;
}
- if (ret == -2 || (ret >= 0 && (def->port < 1 || def->port >
65535))) {
+ if (portStr && (def->port < 1 || def->port > 65535)) {
virReportError(VIR_ERR_XML_DETAIL,
_("invalid DNS SRV port attribute "
"for service '%s' in network '%s'"),
@@ -855,15 +857,14 @@ virNetworkDNSSrvDefParseXML(const char *networkName,
goto error;
}
- ret = virXPathUInt("string(./@priority)", ctxt, &def->priority);
- if (ret >= 0 && !def->target) {
+ if (priorityStr && !def->target) {
virReportError(VIR_ERR_XML_DETAIL,
_("DNS SRV priority attribute not permitted without "
"target for service '%s' in network
'%s'"),
def->service, networkName);
goto error;
}
- if (ret == -2 || (ret >= 0 && def->priority > 65535)) {
+ if (priorityStr && def->priority > 65535) {
virReportError(VIR_ERR_XML_DETAIL,
_("Invalid DNS SRV priority attribute "
"for service '%s' in network '%s'"),
@@ -871,15 +872,14 @@ virNetworkDNSSrvDefParseXML(const char *networkName,
goto error;
}
- ret = virXPathUInt("string(./@weight)", ctxt, &def->weight);
- if (ret >= 0 && !def->target) {
+ if (weightStr && !def->target) {
virReportError(VIR_ERR_XML_DETAIL,
_("DNS SRV weight attribute not permitted without "
"target for service '%s' in network
'%s'"),
def->service, networkName);
goto error;
}
- if (ret == -2 || (ret >= 0 && def->weight > 65535)) {
+ if (weightStr && def->weight > 65535) {
virReportError(VIR_ERR_XML_DETAIL,
_("invalid DNS SRV weight attribute "
"for service '%s' in network '%s'"),
@@ -889,6 +889,73 @@ virNetworkDNSSrvDefParseXML(const char *networkName,
return 0;
+ error:
+ return -1;
+}
+
+
+static int
+virNetworkDNSSrvDefParseXML(const char *networkName,
+ xmlNodePtr node,
+ xmlXPathContextPtr ctxt,
+ virNetworkDNSSrvDefPtr def,
+ bool partialOkay)
+{
+ g_autofree char *portStr = NULL;
+ g_autofree char *priorityStr = NULL;
+ g_autofree char *weightStr = NULL;
+ VIR_XPATH_NODE_AUTORESTORE(ctxt);
+
+ ctxt->node = node;
+
+ def->service = virXMLPropString(node, "service");
+ def->protocol = virXMLPropString(node, "protocol");
+
+ /* Following attributes are optional */
+ def->domain = virXMLPropString(node, "domain");
+ def->target = virXMLPropString(node, "target");
+
+ portStr = virXMLPropString(node, "port");
+ if (portStr) {
+ if (virStrToLong_uip(portStr, NULL, 0, &def->port) < 0) {
+ virReportError(VIR_ERR_XML_DETAIL,
+ _("invalid DNS SRV port attribute "
+ "for service '%s' in network
'%s'"),
+ def->service, networkName);
+ goto error;
+ }
+ }
+
+ priorityStr = virXMLPropString(node, "priority");
+ if (priorityStr) {
+ if (virStrToLong_uip(priorityStr, NULL, 0, &def->priority) < 0) {
+ virReportError(VIR_ERR_XML_DETAIL,
+ _("Invalid DNS SRV priority attribute "
+ "for service '%s' in network
'%s'"),
+ def->service, networkName);
+ goto error;
+ }
+ }
+
+ weightStr = virXMLPropString(node, "weight");
+ if (weightStr) {
+ if (virStrToLong_uip(weightStr, NULL, 0, &def->weight) < 0) {
+ virReportError(VIR_ERR_XML_DETAIL,
+ _("invalid DNS SRV weight attribute "
+ "for service '%s' in network
'%s'"),
+ def->service, networkName);
+ goto error;
+ }
+ }
+
+ if (virNetworkDNSSrvDefParseXMLHook(node, def, networkName, &partialOkay,
+ def->domain, def->service,
+ def->protocol, def->target,
+ portStr, priorityStr, weightStr) < 0)
+ goto error;
+
+ return 0;
+
error:
virNetworkDNSSrvDefClear(def);
return -1;
--
2.17.1