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sftp password login on FreeBSD #10337

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cyberduck opened this issue May 27, 2018 · 3 comments
Closed

sftp password login on FreeBSD #10337

cyberduck opened this issue May 27, 2018 · 3 comments
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@dkocher
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bug fixed sftp SFTP Protocol Implementation
Milestone
6.6.0

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@cyberduck
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f68adbc created the issue

Hi,

i always have to enter additional login credentials when connecting to a FreeBSD box via ssh using challenge response auth, although i saved the password. Debug log with username and hostname replaced by USER and HOSTNAME, respectively:

May 27 16:46:55 static048 Cyberduck[36143]: [background-6] DEBUG net.schmizz.concurrent.Promise - Setting <<service accept>> to `null`
May 27 16:46:55 static048 Cyberduck[36143]: [background-6] DEBUG net.schmizz.sshj.transport.TransportImpl - Sending SSH_MSG_SERVICE_REQUEST for ssh-userauth
May 27 16:46:55 static048 Cyberduck[36143]: [background-6] DEBUG net.schmizz.concurrent.Promise - Awaiting <<service accept>>
May 27 16:46:55 static048 Cyberduck[36143]: [reader] DEBUG net.schmizz.concurrent.Promise - Setting <<service accept>> to `SOME`
May 27 16:46:55 static048 Cyberduck[36143]: [background-6] DEBUG net.schmizz.sshj.transport.TransportImpl - Setting active service to ssh-userauth
May 27 16:46:55 static048 Cyberduck[36143]: [background-6] DEBUG net.schmizz.concurrent.Promise - Setting <<authenticated>> to `null`
May 27 16:46:55 static048 Cyberduck[36143]: [background-6] DEBUG net.schmizz.sshj.userauth.UserAuthImpl - Trying `keyboard-interactive` auth...
May 27 16:46:55 static048 Cyberduck[36143]: [background-6] DEBUG net.schmizz.concurrent.Promise - Awaiting <<authenticated>>
May 27 16:46:55 static048 Cyberduck[36143]: [reader] DEBUG net.schmizz.sshj.userauth.UserAuthImpl - Asking `keyboard-interactive` method to handle USERAUTH_60 packet
May 27 16:46:55 static048 Cyberduck[36143]: [reader] DEBUG net.schmizz.sshj.userauth.method.AuthKeyboardInteractive - Requesting response for challenge `Password for USER@HOSTNAME:`; echo=false
May 27 16:46:55 static048 Cyberduck[36143]: [reader] DEBUG ch.cyberduck.core.sftp.auth.SFTPChallengeResponseAuthentication - Reply to challenge name  with instruction 
May 27 16:46:55 static048 Cyberduck[36143]: [reader] DEBUG ch.cyberduck.ui.cocoa.callback.PromptLoginCallback - Prompt for credentials for USER
May 27 16:46:55 static048 Cyberduck[36143]: [main] INFO  ch.cyberduck.binding.BundleController - Loading bundle Login

I assume the password prompt (Password for USER@HOSTNAME:) is not recognized by the DEFAULT_PROMPT_PATTERN in SFTPChallengeResponseAuthentication.java.
Linux hosts work fine having a login prompt like "USER@HOSTNAME's password:".

Any change to fix this?

BR Felix

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@cyberduck
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@dkocher commented

I suppose we already fixed this with 7b8262f. Please update to the latest snapshot build available.

@cyberduck
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f68adbc commented

Hi,

latest snapshot does not fix the issue.
Linux hosts previously worked since all my Linux boxes have challenge/response disabled in their sshd.conf. Once switched on, the same problem occurs as on FreeBSD where challenge/response is enabled by default.

Please review my trivial patch for SFTPChallengeResponseAuthentication.java. It extends DEFAULT_PROMPT_PATTERN. I have success connecting to various versions of (Open)sshd.

BR Felix

@cyberduck
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@dkocher commented

In 7fe8bbc.

@iterate-ch iterate-ch locked as resolved and limited conversation to collaborators Nov 26, 2021
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bug fixed sftp SFTP Protocol Implementation
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