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ssh: Add Kerberos-support to ssh:// daemon URLs

* guix/ssh.scm (open-ssh-session): Fall back to GSSAPI if public key
authentication does not work

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
gn-latest-20200428
Lars-Dominik Braun 2 years ago
committed by Ludovic Courtès
parent
commit
35f3511167
No known key found for this signature in database GPG Key ID: 90B11993D9AEBB5
  1. 5
      doc/guix.texi
  2. 15
      guix/ssh.scm

5
doc/guix.texi

@ -6811,8 +6811,9 @@ instruct it to listen for TCP connections (@pxref{Invoking guix-daemon,
@item ssh
@cindex SSH access to build daemons
These URIs allow you to connect to a remote daemon over
SSH@footnote{This feature requires Guile-SSH (@pxref{Requirements}).}.
A typical URL might look like this:
SSH. This feature requires Guile-SSH (@pxref{Requirements}) and a working
@code{guile} binary in @code{PATH} on the destination machine. It supports
public key and GSSAPI authentication. A typical URL might look like this:
@example
ssh://charlie@@guix.example.org:22

15
guix/ssh.scm

@ -157,11 +157,16 @@ server at '~a': ~a")
(session-set! session 'timeout timeout)
session)
(x
(disconnect! session)
(raise (condition
(&message
(message (format #f (G_ "SSH authentication failed for '~a': ~a~%")
host (get-error session)))))))))
(match (userauth-gssapi! session)
('success
(session-set! session 'timeout timeout)
session)
(x
(disconnect! session)
(raise (condition
(&message
(message (format #f (G_ "SSH authentication failed for '~a': ~a~%")
host (get-error session)))))))))))
(x
;; Connection failed or timeout expired.
(raise (condition

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