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authorJohn Darrington <jmd@gnu.org>2016-10-15 15:03:52 +0200
committerJohn Darrington <jmd@gnu.org>2016-11-08 21:35:26 +0100
commit859e367d0709aac3c9a63610d7bb1adaba13d27b (patch)
tree225374c7968c78998dc7a2c9b73d45edf8a2f6b9 /gnu/services
parent8ae60404510fedb89502e27c0e73f830ab429641 (diff)
downloadguix-859e367d0709aac3c9a63610d7bb1adaba13d27b.tar
guix-859e367d0709aac3c9a63610d7bb1adaba13d27b.tar.gz
gnu: Add pam-krb5 service.
* doc/guix.texi (Kerberos Services): New node. * gnu/services/kerberos.scm: New file. * gnu/local.mk: Add it.
Diffstat (limited to 'gnu/services')
-rw-r--r--gnu/services/kerberos.scm67
1 files changed, 67 insertions, 0 deletions
diff --git a/gnu/services/kerberos.scm b/gnu/services/kerberos.scm
new file mode 100644
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+++ b/gnu/services/kerberos.scm
@@ -0,0 +1,67 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016 John Darrington <jmd@gnu.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu services kerberos)
+ #:use-module (gnu packages admin)
+ #:use-module (gnu services)
+ #:use-module (gnu system pam)
+ #:use-module (guix gexp)
+ #:use-module (guix records)
+ #:export (pam-krb5-configuration
+ pam-krb5-configuration?
+ pam-krb5-service-type))
+
+(define-record-type* <pam-krb5-configuration>
+ pam-krb5-configuration make-pam-krb5-configuration
+ pam-krb5-configuration?
+ (pam-krb5 pam-krb5-configuration-pam-krb5
+ (default pam-krb5))
+ (minimum-uid pam-krb5-configuration-minimum-uid
+ (default 1000)))
+
+(define (pam-krb5-pam-service config)
+ "Return a PAM service for Kerberos authentication."
+ (lambda (pam)
+ (define pam-krb5-module
+ #~(string-append #$(pam-krb5-configuration-pam-krb5 config) "/lib/security/pam_krb5.so"))
+
+ (let ((pam-krb5-sufficient
+ (pam-entry
+ (control "sufficient")
+ (module pam-krb5-module)
+ (arguments (list
+ (format #f "minimum_uid=~a"
+ (pam-krb5-configuration-minimum-uid config)))))))
+ (pam-service
+ (inherit pam)
+ (auth (cons* pam-krb5-sufficient
+ (pam-service-auth pam)))
+ (session (cons* pam-krb5-sufficient
+ (pam-service-session pam)))
+ (account (cons* pam-krb5-sufficient
+ (pam-service-account pam)))))))
+
+(define (pam-krb5-pam-services config)
+ (list (pam-krb5-pam-service config)))
+
+(define pam-krb5-service-type
+ (service-type (name 'pam-krb5)
+ (extensions
+ (list
+ (service-extension pam-root-service-type
+ pam-krb5-pam-services)))))