[jira] [Created] (TS-2269) regex_remap plugin has problem handling the case when url path is empty

[Kit Chan (JIRA)]

Kit Chan created TS-2269:
----------------------------

             Summary: regex_remap plugin has problem handling the case when url 
path is empty
                 Key: TS-2269
                 URL: https://issues.apache.org/jira/browse/TS-2269
             Project: Traffic Server
          Issue Type: Bug
          Components: Plugins
            Reporter: Kit Chan


Specifically the block of code is here - 
https://github.com/apache/trafficserver/blob/master/plugins/regex_remap/regex_remap.cc#L802-806

  *(match_buf + match_len) = '/';
  if (req_url.path && req_url.path_len > 0) {
    memcpy(match_buf + match_len + 1, req_url.path, req_url.path_len);
    match_len += (req_url.path_len + 1);
  }

So if req_url.path is empty (e.g. in the case of http://www.xyx.com/ being the 
request url), match_len will not increment by 1.

so e.g. there won't be a match for this case for the regular expression of '^/$'




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