diff --git a/gnu/services/samba.scm b/gnu/services/samba.scm
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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2022 Simon Streit <simon@netpanic.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 samba)
+
+  #:use-module (gnu packages)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages admin)
+  #:use-module (gnu packages samba)
+
+  #:use-module (gnu services)
+  #:use-module (gnu services configuration)
+  #:use-module (gnu services shepherd)
+  #:use-module (gnu services base)
+  #:use-module (gnu system shadow)
+
+  #:use-module (guix gexp)
+  #:use-module (guix packages)
+  #:use-module (guix modules)
+  #:use-module (guix records)
+
+  #:use-module (ice-9 format)
+  #:use-module (ice-9 match)
+  #:use-module (ice-9 textual-ports)
+  #:use-module (srfi srfi-1)
+
+  #:export (samba-service-type
+            samba-configuration
+            samba-smb-conf
+
+            wsdd-service-type
+            wsdd-configuration))
+
+(define %smb-conf
+  (plain-file "smb.conf" "[global]
+    workgroup = WORKGROUP
+    server string = Samba Server
+    server role = standalone server
+    log file = /var/log/samba/log.%m
+    logging = file
+"))
+
+(define-record-type* <samba-configuration>
+  samba-configuration
+  make-samba-configuration
+  samba-configuration?
+  (package              samba-configuration-package
+                        (default samba))
+  (config-file          samba-configuration-config-file
+                        (default #f))
+  (enable-samba?        samba-configuration-enable-samba?
+                        (default #f))
+  (enable-smbd?         samba-configuration-enable-smbd?
+                        (default #t))
+  (enable-nmbd?         samba-configuration-enable-nmbd?
+                        (default #t))
+  (enable-winbindd?     samba-configuration-enable-winbindd?
+                        (default #t)))
+
+(define (samba-activation config)
+  (let ((package (samba-configuration-package config))
+        (config-file (samba-configuration-config-file config)))
+    (with-imported-modules '((guix build utils))
+      (let ((lib-dir "/var/lib/samba")
+            (log-dir "/var/log/samba")
+            (run-dir "/var/run/samba")
+            (etc-dir "/etc/samba")
+            (smb.conf "/etc/samba/smb.conf"))
+        #~(begin
+            (use-modules (guix build utils))
+            (mkdir-p #$etc-dir)
+            (mkdir-p #$lib-dir)
+            (mkdir-p/perms (string-append #$lib-dir "/private")
+                           (getpwnam "root") #o700)
+            (mkdir-p #$log-dir)
+            (mkdir-p #$run-dir)
+            (copy-file #$config-file #$smb.conf)
+            (invoke #$(file-append package "/bin/testparm")
+                    "--suppress-prompt" #$smb.conf))))))
+
+(define (samba-samba-shepherd-service config)
+  (let ((package (samba-configuration-package config))
+        (config-file (samba-configuration-config-file config)))
+       (list (shepherd-service
+              (documentation "Run Samba")
+              (provision '(samba-samba))
+              (requirement '(networking))
+              (start #~(make-forkexec-constructor
+                        (list #$(file-append package "/sbin/samba")
+                              (string-append "--configfile=" #$config-file)
+                              "--foreground"
+                              "--no-process-group")))
+              (stop #~(make-kill-destructor))))))
+
+(define (samba-nmbd-shepherd-service config)
+  (let ((package (samba-configuration-package config))
+        (config-file (samba-configuration-config-file config)))
+       (list (shepherd-service
+              (documentation "Run NMBD")
+              (provision '(samba-nmbd))
+              (requirement '(networking))
+              (start #~(make-forkexec-constructor
+                        (list #$(file-append package "/sbin/nmbd")
+                              (string-append "--configfile=" #$config-file)
+                              "--foreground"
+                              "--no-process-group")))
+              (stop #~(make-kill-destructor))))))
+
+(define (samba-smbd-shepherd-service config)
+  (let ((package (samba-configuration-package config))
+        (config-file (samba-configuration-config-file config)))
+       (list (shepherd-service
+              (documentation "Run SMBD")
+              (provision '(samba-smbd))
+              (requirement '(networking))
+              (start #~(make-forkexec-constructor
+                        (list #$(file-append package "/sbin/smbd")
+                              (string-append "--configfile=" #$config-file)
+                              "--foreground"
+                              "--no-process-group")))
+              (stop #~(make-kill-destructor))))))
+
+(define (samba-winbindd-shepherd-service config)
+  (let ((package (samba-configuration-package config))
+        (config-file (samba-configuration-config-file config)))
+       (list (shepherd-service
+              (documentation "Run Winnbindd for Name Service Switch")
+              (provision '(samba-winbindd))
+              (requirement '(networking))
+              (start #~(make-forkexec-constructor
+                        (list #$(file-append package "/sbin/winbindd")
+                              (string-append "--configfile=" #$config-file)
+                              "--foreground"
+                              "--no-process-group")))
+              (stop #~(make-kill-destructor))))))
+
+(define (samba-shepherd-services config)
+  (append (if (samba-configuration-enable-samba? config)
+              (samba-samba-shepherd-service config)
+              '())
+          (if (samba-configuration-enable-nmbd? config)
+              (samba-nmbd-shepherd-service config)
+              '())
+          (if (samba-configuration-enable-smbd? config)
+              (samba-smbd-shepherd-service config)
+              '())
+          (if (samba-configuration-enable-winbindd? config)
+              (samba-winbindd-shepherd-service config)
+              '())))
+
+(define samba-service-type
+  (service-type
+   (name 'samba)
+   (description "Samba")
+   (extensions
+    (list (service-extension shepherd-root-service-type
+                             samba-shepherd-services)
+          (service-extension activation-service-type
+                             samba-activation)
+          (service-extension profile-service-type
+                             (compose list samba-configuration-package))))
+   (default-value (samba-configuration))))
