[ http://issues.apache.org/jira/browse/DIR-184?page=all ]
Emmanuel Lecharny resolved DIR-184.
-----------------------------------
Resolution: Fixed
Fixed as it was breaking one of the DIRSERVER-631 tests.
> DnParser does not correctly parse leading and trailing spaces and pound signs
> in values.
> ----------------------------------------------------------------------------------------
>
> Key: DIR-184
> URL: http://issues.apache.org/jira/browse/DIR-184
> Project: Directory
> Issue Type: Bug
> Reporter: Jacob S. Barrett
> Assigned To: Emmanuel Lecharny
> Attachments: DIR-184.patch
>
>
> As defined in RFC 2253 section 2.4:
> (http://www.ietf.org/rfc/rfc2253.txt)
> ..
> If the UTF-8 string does not have any of the following characters
> which need escaping, then that string can be used as the string
> representation of the value.
> - a space or "#" character occurring at the beginning of the
> string
> - a space character occurring at the end of the string
> - one of the characters ",", "+", """, "\", "<", ">" or ";"
> ...
> A string can lead with '\ ' and trail with '\ '. Both cases are not
> supported by the DnParser and cause a parsing error. Furthermore, if a
> string starts with '\ ' only the spaces leading up to the escape should be
> trimmed. In addition only the spaces after '\ ' when at the end of a value
> should be stripped.
> looking at the valuelexer.g file '\#' will work anywhere in the string, but
> should really only be supported at the head of the string.
> If I understand the RFC correctly then these string should be supported:
> "\ four spaces leading and 3 trailing \ " -> "\ four spaces leading
> and 3 trailing \ "
> " \ two leading three trailing \ " -> "\ two leading three trailing
> \ "
> "\# a leading pound" -> "\# a pound"
> "a middle # pound" -> "a middle # pound"
> "a trailing pound #" -> "a trailing pound #"
> These are not valid:
> "middle\ spaces"
> "# a leading pound"
> "a middle \# pound"
> "a trailing pound \#"
> Unless the next line in the RFC is really true, "Implementations MAY escape
> other characters." This makes things a bit more hairy I think.
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