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https://issues.apache.org/jira/browse/NET-610?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebb reopened NET-610:
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Sorry, I misunderstood the problem.
(I think I can see why they may have omitted the space: RFC 959 says that a
space must precede a number for multi-line responses. However RFC 3659, which
defines the MLST command, says that there must be a space before non-numerics
as well.)
> FTPClient.mlistFile incorrectly handles MLST reply
> --------------------------------------------------
>
> Key: NET-610
> URL: https://issues.apache.org/jira/browse/NET-610
> Project: Commons Net
> Issue Type: Bug
> Components: FTP
> Affects Versions: 3.5
> Environment: using some FTP-server incorrectly releasing RFC 3659.
> For example xlight ftp server (https://www.xlightftpd.com/)
> Reporter: Sergey Yanzin
> Labels: easyfix, patch
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> By RFC 3659 server must start fact with space character. But some inaccurate
> realisations reply without starting space.
> But org.apache.commons.net.ftp.FTPClient.mlistFile() skips leading character
> even it is not a space:
> public FTPFile mlistFile(String pathname) throws IOException
> {
> boolean success =
> FTPReply.isPositiveCompletion(sendCommand(FTPCmd.MLST, pathname));
> if (success){
> String entry = getReplyStrings()[1].substring(1); // skip leading
> space for parser
> return MLSxEntryParser.parseEntry(entry);
> } else {
> return null;
> }
> }
> I think it is wrong. The method should throw exception, if first character is
> not a space. Or does not remove starting char (and should be some option
> responsible for that behaviour) if it is not a space.
> my workaround in overriden method:
> public FTPFile mlistFile(String pathname) throws IOException {
> final boolean success =
> FTPReply.isPositiveCompletion(sendCommand(FTPCmd.MLST, pathname));
> if (success) {
> final String reply = getReplyStrings()[1];
> final String entry = reply.charAt(0) == ' ' ? reply.substring(1)
> : reply;
> return MLSxEntryParser.parseEntry(entry);
> } else {
> return null;
> }
> }
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