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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 Danny Milosavljevic <dannym@scratchpost.org>
;;; Copyright © 2020 Robin Green <greenrd@greenrd.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 auditd)
#:use-module (gnu services)
#:use-module (gnu services configuration)
#:use-module (gnu services base)
#:use-module (gnu services shepherd)
#:use-module (gnu packages admin)
#:use-module (guix records)
#:use-module (guix gexp)
#:use-module (guix packages)
#:export (auditd-configuration
auditd-service-type
%default-auditd-configuration-directory))
(define auditd.conf
(plain-file "auditd.conf" "log_file = /var/log/audit.log\nlog_format = \
ENRICHED\nfreq = 1\nspace_left = 5%\nspace_left_action = \
syslog\nadmin_space_left_action = ignore\ndisk_full_action = \
ignore\ndisk_error_action = syslog\n"))
(define %default-auditd-configuration-directory
(computed-file "auditd"
#~(begin
(mkdir #$output)
(copy-file #$auditd.conf
(string-append #$output "/auditd.conf")))))
(define-record-type* <auditd-configuration>
auditd-configuration make-auditd-configuration
auditd-configuration?
(audit auditd-configuration-audit ; file-like
(default audit))
(configuration-directory auditd-configuration-configuration-directory)) ; file-like
(define (auditd-shepherd-service config)
(let* ((audit (auditd-configuration-audit config))
(configuration-directory (auditd-configuration-configuration-directory config)))
(list (shepherd-service
(documentation "Auditd allows you to audit file system accesses and process execution.")
(provision '(auditd))
(start #~(make-forkexec-constructor
(list (string-append #$audit "/sbin/auditd") "-c" #$configuration-directory)
#:pid-file "/var/run/auditd.pid"))
(stop #~(make-kill-destructor))))))
(define auditd-service-type
(service-type (name 'auditd)
(description "Allows auditing file system accesses and process execution.")
(extensions
(list
(service-extension shepherd-root-service-type
auditd-shepherd-service)))
(default-value
(auditd-configuration
(configuration-directory %default-auditd-configuration-directory)))))
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