openssh bugs - Jul 2018 - [Bug 2884] New: scp doesn't read ~/.ssh/config for second argument

https://bugzilla.mindrot.org/show_bug.cgi?id=2884

            Bug ID: 2884
           Summary: scp doesn't read ~/.ssh/config for second argument
           Product: Portable OpenSSH
           Version: 7.2p2
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: scp
          Assignee: unassigned-bugs at mindrot.org
          Reporter: axd4ho at sambull.org

When I run 'scp -v A B', it seems that my user config is not read for
B. Looking closer at the output, it looks like the config is read to
open a connection to A, and the the ssh connection to B is made from
within the connection to A.

So, I'm assuming that means it is only reading the config files that
are installed with the host A. But, I was initially expecting it to be
run from my local machine, and therefore get the config from there.

If this is the desired default behaviour, it would be nice to have an
option that reads the ssh configs on the local machine for B and then
passes any configuration options through to A.

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https://bugzilla.mindrot.org/show_bug.cgi?id=2884

Sam Bull <axd4ho at sambull.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |enhancement

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https://bugzilla.mindrot.org/show_bug.cgi?id=2884

Darren Tucker <dtucker at dtucker.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dtucker at dtucker.net

--- Comment #1 from Darren Tucker <dtucker at dtucker.net> ---
In your example both A and B are host:/path ie a remote to remote copy?
 If you want both connections to be made from A there's the three-way
option to scp:

  -3  Copies between two remote hosts are transferred through the local
      host.  Without this option the data is copied directly between
      the two remote hosts.  Note that this option disables the
      progress meter.

although that also has different behaviour in that the bytes will pass
through the originating host instead of directly from A to B.

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https://bugzilla.mindrot.org/show_bug.cgi?id=2884

Sam Bull <axd4ho at sambull.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|NEW                         |RESOLVED

--- Comment #2 from Sam Bull <axd4ho at sambull.org> ---
Ah, didn't see that option. Suppose that's a good enough solution, as
it also ensures no sensitive data from the config leaves the local
machine (e.g. my problem was that I needed the ProxyCommand containing
a port knocking sequence).

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

--- Comment #3 from Damien Miller <djm at mindrot.org> ---
closing resolved bugs as of 8.6p1 release

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