[jira] [Created] (SOLR-8873) Enforce dataDir/instanceDir/ulogDir to be paths that contain only a controlled subset of characters

["Tomás Fernández Löbbe (JIRA)" <ji...@apache.org>]

Tomás Fernández Löbbe created SOLR-8873:
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             Summary: Enforce dataDir/instanceDir/ulogDir to be paths that contain only a controlled subset of characters
                 Key: SOLR-8873
                 URL: https://issues.apache.org/jira/browse/SOLR-8873
             Project: Solr
          Issue Type: Improvement
            Reporter: Tomás Fernández Löbbe


We currently support any valid path for dataDir/instanceDir/ulogDir. I think we should prevent special characters and restrict to a subset that is commonly used and tested.
My initial proposals it to allow the Java pattern: {code:java}"^[a-zA-Z0-9\\.\\ \\\\\\-_/\"':]+$"{code} but I'm open to suggestions. I'm not sure if there can be issues with HDFS paths (this pattern does pass the tests we currently have), or some other use case I'm not considering.
I also think our tests should use all those characters randomly. 




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