[Bug 2019010] Re: environment variable SSH_ORIGINAL_COMMAND on server side set with wrong value

[Paride Legovini]

Hello Andrey, that's expected as from openssh 9.0 scp actually uses
sftp. From the release notes [1]:

  This release switches scp(1) from using the legacy scp/rcp protocol
  to using the SFTP protocol by default.

The release notes then shortly elaborate on why legacy scp was
problematic.

I'm marking this bug report as Incomplete for now. If you agree with me
in that this is not actually a bug in Ubuntu please change the bug
status to Invalid. Thanks!

[1] https://www.openssh.com/releasenotes.html

** Changed in: openssh (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/2019010

Title:
  environment variable SSH_ORIGINAL_COMMAND  on server side set with
  wrong value

Status in openssh package in Ubuntu:
  Incomplete

Bug description:
  After updating to Ubuntu 23.04 when running  scp command environment variable SSH_ORIGINAL_COMMAND on server side is set with SSH_ORIGINAL_COMMAND=/usr/libexec/openssh/sftp-server.
  With  previous version this environment variable  was set to "scp -t <file name>" or "scp -f  <file name>" depends on if it was push or get command to copy file from or to remote system
  SSH_ORIGINAL_COMMAND environment variable is used to validate scp command on server side.
    
  System information:
  lsb_release -rd
  No LSB modules are available.
  Description:	Ubuntu 23.04
  Release:	23.04

  
  apt-cache policy openssh-client
  openssh-client:
    Installed: 1:9.0p1-1ubuntu8
    Candidate: 1:9.0p1-1ubuntu8
    Version table:
   *** 1:9.0p1-1ubuntu8 500
          500 http://us.archive.ubuntu.com/ubuntu lunar/main amd64 Packages
          100 /var/lib/dpkg/status

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