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From DaanHoogland <...@git.apache.org>
Subject [GitHub] cloudstack pull request: Cwe 190
Date Wed, 11 Nov 2015 09:40:39 GMT
Github user DaanHoogland commented on a diff in the pull request:

    https://github.com/apache/cloudstack/pull/1057#discussion_r44515725
  
    --- Diff: utils/src/main/java/com/cloud/utils/net/NetUtils.java ---
    @@ -775,11 +776,19 @@ public static String getSubNet(final String ip, final String netmask)
{
         }
     
         public static String getCidrSubNet(final String ip, final long cidrSize) {
    -        final long numericNetmask = 0xffffffff >> MAX_CIDR - cidrSize <<
MAX_CIDR - cidrSize;
    +        final long numericNetmask = netMaskFromCidr(cidrSize);
             final String netmask = NetUtils.long2Ip(numericNetmask);
             return getSubNet(ip, netmask);
         }
     
    +    /**
    +     * @param cidrSize
    +     * @return
    +     */
    +    static long netMaskFromCidr(final long cidrSize) {
    +        return ((long)0xffffffff) >> MAX_CIDR - cidrSize << MAX_CIDR - cidrSize;
    +    }
    +
    --- End diff --
    
    for testing purpose


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