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https://issues.apache.org/jira/browse/SSHD-749?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Goldstein Lyor resolved SSHD-749.
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Resolution: Fixed
Fix Version/s: 1.6.0
Thanks for the diangosis and patch - merged with appropriate credit.
> SFTP client sends wrong open flags for protocol version 4
> ---------------------------------------------------------
>
> Key: SSHD-749
> URL: https://issues.apache.org/jira/browse/SSHD-749
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 1.4.0
> Reporter: Christian Leiner
> Assignee: Goldstein Lyor
> Fix For: 1.6.0
>
> Attachments: AbstractSftpClient_open_flags.patch,
> SftpVersionsTest_open_flags.patch
>
>
> While trying to create a file on a remote server using {{SftpClient}}, I
> always received {{SSH_FX_NO_SUCH_FILE}}. However, there were no problems with
> the server when using another client.
> Debugging the issue, I discovered that {{AbstractSftpClient.open()}} doesn't
> handle the {{OpenMode}} options according to the spec when using protocol
> version 4 (https://tools.ietf.org/html/draft-ietf-secsh-filexfer-04) and
> diverges from SSHD's server implementation as well (i.e.
> {{SftpSubsystem.doOpen()}}).
> I have attached a test case to reproduce the problem
> ({{SftpVersionsTest_open_flags.patch}}). There's also a simple patch that
> should fix the issue ({{AbstractSftpClient_open_flags.patch}}).
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