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-rw-r--r--doc/guix.texi17
-rw-r--r--gnu/services/ssh.scm7
2 files changed, 24 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index bcea89e07b..b768b20d6b 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -11158,6 +11158,23 @@ server. Alternately, one can specify the @command{sftp-server} command:
`(("sftp" ,(file-append openssh "/libexec/sftp-server"))))))
@end example
+@item @code{accepted-environment} (default: @code{'()})
+List of strings describing which environment variables may be exported.
+
+Each string gets on its own line. See the @code{AcceptEnv} option in
+@code{man sshd_config}.
+
+This example allows ssh-clients to export the @code{COLORTERM} variable.
+It is set by terminal emulators, which support colors. You can use it in
+your shell's ressource file to enable colors for the prompt and commands
+if this variable is set.
+
+@example
+(service openssh-service-type
+ (openssh-configuration
+ (accepted-environment '("COLORTERM"))))
+@end example
+
@item @code{authorized-keys} (default: @code{'()})
@cindex authorized keys, SSH
@cindex SSH authorized keys
diff --git a/gnu/services/ssh.scm b/gnu/services/ssh.scm
index 301ba74041..f1d2be3f6b 100644
--- a/gnu/services/ssh.scm
+++ b/gnu/services/ssh.scm
@@ -302,6 +302,10 @@ The other options should be self-descriptive."
(subsystems openssh-configuration-subsystems
(default '(("sftp" "internal-sftp"))))
+ ;; list of strings
+ (accepted-environment openssh-configuration-accepted-environment
+ (default '()))
+
;; list of user-name/file-like tuples
(authorized-keys openssh-authorized-keys
(default '()))
@@ -430,6 +434,9 @@ of user-name/file-like tuples."
(format port "AuthorizedKeysFile \
.ssh/authorized_keys .ssh/authorized_keys2 /etc/ssh/authorized_keys.d/%u\n")
+ (for-each (lambda (s) (format port "AcceptEnv ~a\n" s))
+ '#$(openssh-configuration-accepted-environment config))
+
(for-each
(match-lambda
((name command) (format port "Subsystem\t~a\t~a\n" name command)))