2 files changed, 17 insertions(+), 0 deletions(-)

M doc/guix.texi
M gnu/services/ssh.scm

@@ 9352,6 9352,10 @@ Because PAM challenge response authentication usually serves an
 equivalent role to password authentication, you should disable either
 @code{challenge-response-authentication?} or
 @code{password-authentication?}.
+
+@item @code{print-last-log?} (default: @code{#t})
+Specifies whether @command{sshd} should print the date and time of the
+last user login when a user logs in interactively.
 @end table
 @end deftp
 

@@ 279,6 279,8 @@ The other options should be self-descriptive."
   (challenge-response-authentication? openssh-challenge-response-authentication?
                                       (default #f)) ;Boolean
   (use-pam?              openssh-configuration-use-pam?
+                         (default #t)) ;Boolean
+  (print-last-log?       openssh-configuration-print-last-log?
                          (default #t))) ;Boolean
 
 (define %openssh-accounts


@@ 298,6 300,14 @@ The other options should be self-descriptive."
       (mkdir-p "/etc/ssh")
       (mkdir-p (dirname #$(openssh-configuration-pid-file config)))
 
+      (define (touch file-name)
+        (call-with-output-file file-name (const #t)))
+
+      (let ((lastlog "/var/log/lastlog"))
+        (when #$(openssh-configuration-print-last-log? config)
+          (unless (file-exists? lastlog)
+            (touch lastlog))))
+
       ;; Generate missing host keys.
       (system* (string-append #$(openssh-configuration-openssh config)
                               "/bin/ssh-keygen") "-A")))


@@ 336,6 346,9 @@ The other options should be self-descriptive."
          (format port "UsePAM ~a\n"
                  #$(if (openssh-configuration-use-pam? config)
                        "yes" "no"))
+         (format port "PrintLastLog ~a\n"
+                 #$(if (openssh-configuration-print-last-log? config)
+                       "yes" "no"))
          #t))))
 
 (define (openssh-shepherd-service config)