Github user DaanHoogland commented on a diff in the pull request:
https://github.com/apache/cloudstack/pull/1057#discussion_r44515734
--- Diff: utils/src/main/java/com/cloud/utils/net/NetUtils.java ---
@@ -869,31 +878,44 @@ public static boolean isNetworkAWithinNetworkB(final
String cidrA, final String
public static Long[] cidrToLong(final String cidr) {
if (cidr == null || cidr.isEmpty()) {
- return null;
+ throw new CloudRuntimeException("empty cidr can not be
converted to longs");
}
final String[] cidrPair = cidr.split("\\/");
if (cidrPair.length != 2) {
- return null;
+ throw new CloudRuntimeException("cidr is not formatted
correctly: "+ cidr);
}
final String cidrAddress = cidrPair[0];
final String cidrSize = cidrPair[1];
if (!isValidIp(cidrAddress)) {
- return null;
- }
- int cidrSizeNum = -1;
-
- try {
- cidrSizeNum = Integer.parseInt(cidrSize);
- } catch (final Exception e) {
- return null;
+ throw new CloudRuntimeException("cidr is not bvalid in ip
space" + cidr);
}
- final long numericNetmask = 0xffffffff >> MAX_CIDR - cidrSizeNum
<< MAX_CIDR - cidrSizeNum;
+ long cidrSizeNum = getCidrSizeFromString(cidrSize);
+ final long numericNetmask = netMaskFromCidr(cidrSizeNum);
final long ipAddr = ip2Long(cidrAddress);
final Long[] cidrlong = {ipAddr & numericNetmask,
(long)cidrSizeNum};
return cidrlong;
}
+ /**
+ * @param cidrSize
+ * @return
+ * @throws CloudRuntimeException
+ */
+ static long getCidrSizeFromString(final String cidrSize) throws
CloudRuntimeException {
+ long cidrSizeNum = -1;
+
+ try {
+ cidrSizeNum = Integer.parseInt(cidrSize);
+ } catch (final NumberFormatException e) {
+ throw new CloudRuntimeException("cidrsize is not a valid int:
" + cidrSize, e);
+ }
+ if(cidrSizeNum > 32 || cidrSizeNum < 0) {// assuming IPv4
+ throw new CloudRuntimeException("cidr size out of range: " +
cidrSizeNum);
+ }
+ return cidrSizeNum;
+ }
+
--- End diff --
for testing purpose
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