the ResourceRecordEncoder and QuestionRecordEncoder have bug for empty
domainName:(
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Key: DIRSERVER-1093
URL: https://issues.apache.org/jira/browse/DIRSERVER-1093
Project: Directory ApacheDS
Issue Type: Bug
Components: dns
Affects Versions: 1.5.1
Environment: Windows XP , apacheds-protocol-dns-1.5.1.jar
Reporter: lizongbo
When I use dig trace for Test the apache dns server. the QuestionRecord and
ResourceRecord not encoded right for the empty Domain Name.
my Test command is:
E:\bind>dig @10.108.20.126 618119.com +trace
Then found this bug is caeused by the method "encodeDomainName" in
QuestionRecordEncoder.java and "putDomainName" in ResourceRecordEncoder.java.
follow code can be test to get "labels.length == 1";
[code]
String s = "";
String[] labels = new String[0];
labels = s.split("\\.");
System.out.println("labels.length == " + labels.length);
[/code]
so i fix this bug by follow change :
[code]
String[] labels = domainName.split( "\\." );
[/code]
change to:
[code]
String[] labels = new String[0];
if (domainName != null && domainName.length() > 0) {
labels = domainName.split("\\.");
}
[/code]
Please fix the bug:)
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