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conf: Make virNetworkIPDefParseXML a little bit saner

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Iterating over all child nodes when we only support one instance of each
child is pretty weird. And it would even cause memory leaks if more
than one <tftp> element was specified.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
This commit is contained in:
Jiri Denemark 2016-12-08 14:05:16 +01:00
parent 9e9305542e
commit 770b1d2b56
1 changed files with 14 additions and 22 deletions
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36
src/conf/network_conf.c
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@ -1501,7 +1501,8 @@ virNetworkIPDefParseXML(const char *networkName,
* On failure clear it out, but don't free it.
*/
xmlNodePtr cur, save;
xmlNodePtr save;
xmlNodePtr dhcp;
char *address = NULL, *netmask = NULL;
unsigned long prefix = 0;
int prefixRc;
@ -1603,29 +1604,20 @@ virNetworkIPDefParseXML(const char *networkName,
goto cleanup;
}
cur = node->children;
while (cur != NULL) {
if (cur->type == XML_ELEMENT_NODE &&
xmlStrEqual(cur->name, BAD_CAST "dhcp")) {
if (virNetworkDHCPDefParseXML(networkName, cur, def) < 0)
goto cleanup;
} else if (cur->type == XML_ELEMENT_NODE &&
xmlStrEqual(cur->name, BAD_CAST "tftp")) {
char *root;
if ((dhcp = virXPathNode("./dhcp[1]", ctxt)) &&
virNetworkDHCPDefParseXML(networkName, dhcp, def) < 0)
goto cleanup;
if (!VIR_SOCKET_ADDR_IS_FAMILY(&def->address, AF_INET)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unsupported <tftp> element in an IPv6 element in network '%s'"),
networkName);
goto cleanup;
}
if (!(root = virXMLPropString(cur, "root"))) {
cur = cur->next;
continue;
}
def->tftproot = (char *)root;
if (virXPathNode("./tftp[1]", ctxt)) {
if (!VIR_SOCKET_ADDR_IS_FAMILY(&def->address, AF_INET)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unsupported <tftp> element in an IPv6 element "
"in network '%s'"),
networkName);
goto cleanup;
}
cur = cur->next;
def->tftproot = virXPathString("string(./tftp[1]/@root)", ctxt);
}
result = 0;