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authorLudovic Courtès <ludo@gnu.org>2015-09-17 23:44:26 +0200
committerLudovic Courtès <ludo@gnu.org>2015-10-10 22:55:15 +0200
commit0adfe95a3eee335847c3127edde3de550e692440 (patch)
tree1c5a059d8f261f09254c0e420e61e1344c9edb45 /gnu/services/ssh.scm
parente79467f63a06811ba5dd8c8b0cc79553c5dd4e3a (diff)
downloadpatches-0adfe95a3eee335847c3127edde3de550e692440.tar
patches-0adfe95a3eee335847c3127edde3de550e692440.tar.gz
services: Introduce extensible services.
This patch rewrites GuixSD services to make them extensible. * gnu-system.am (GNU_SYSTEM_MODULES): Add gnu/services/dbus.scm. * gnu/services.scm (<service>): Replace with new record type. (<service-extension>, <service-type>): New record types. (write-service-type, compute-boot-script, second-argument): New procedures. (%boot-service, boot-service-type): New variables. (file-union, directory-union, modprobe-wrapper, activation-service->script, activation-script, gexps->activation-gexp): New procedures. (activation-service-type, %activation-service): New variables. (etc-directory, files->etc-directory, etc-service): New procedures. (etc-service-type, setuid-program-service, firmware-service-type): New variables. (firmware->activation-gexp): New procedure. (&service-error, &missing-target-service-error, &ambiguous-target-service-error): New condition types. (service-back-edges, fold-services): New procedures. * gnu/services/avahi.scm (<avahi-configuration>): New record type. (configuration-file): Replace keyword parameters with a single 'config' parameter. (%avahi-accounts, %avahi-activation, avahi-service-type): New variables. (avahi-dmd-service): New procedure. (avahi-service): Rewrite using 'service' and 'avahi-configuration'. * gnu/services/base.scm (%root-file-system-dmd-service, root-file-system-service-type): New variables. (root-file-system-service): Use them. (file-system->dmd-service-name): New procedure. (file-system-service-type): New variable. (file-system-service): Use it. Replace keyword parameters with a single 'file-system' object. (user-unmount-service-type): New variable. (user-unmount-service): Use it. (user-processes-service-type): New variable. (user-processes-service): Use it. (host-name-service-type): New variable. (host-name-service): Use it. (console-keymap-service-type): New variable. (console-keymap-service): Use it. (console-font-service-type): New variable. (console-font-service): Use it. (mingetty-pam-service, mingetty-dmd-service): New procedures. (mingetty-service-type): New variable. (mingetty-service): Use it. (nscd-dmd-service): New procedure. (nscd-activation, nscd-service-type): New variables. (nscd-service): Use the latter. (syslog-service-type): New variable. (syslog-service): Use it. (<guix-configuration>): New record type. (%default-guix-configuration): New variable. (guix-dmd-service, guix-accounts, guix-activation): New procedures. (guix-service-type): New variable. (guix-service): Replace list of keyword parameters with a single 'config' parameter. Rewrite using 'service'. (<udev-configuration>): New record type. (udev-dmd-service): New procedure. (udev-service-type): New variable. (udev-service): Use it. (device-mapping-service-type): New variable. (device-mapping-service): Use it. (swap-service-type): New variable. (swap-service): Use it. * gnu/services/databases.scm (<postgresql-configuration>): New record type. (%postgresql-accounts, postgresql-activation): New variables. (postgresql-dmd-service): New procedure. (postgresql-service): Rewrite using 'service' and 'postgresql-configuration'. * gnu/services/dbus.scm: New file. * gnu/services/desktop.scm (dbus-configuration-directory, dbus-service): Remove. (wrapped-dbus-service): New procedure. (<upower-configuration>): New record type. (upower-configuration-file): Replace keyword parameters with single <upower-configuration> parameter. (%upower-accounts, %upower-activation): New variables. (upower-dbus-service, upower-dmd-service): New procedures. (upower-service-type): New variable. (upower-service): Rewrite using 'service' and 'upower-configuration'. (%colord-activation, %colord-accounts): New variables. (colord-dmd-service): New procedure. (colord-service-type): New variable. (colord-service): Rewrite using 'service'. (<geoclue-configuration>): New record type. (geoclue-configuration-file): Replace keyword parameters with a single 'config' parameter. (geoclue-dbus-service, geoclue-dmd-service): New procedures. (%geoclue-accounts, geoclue-service-type): New variables. (geoclue-service): Rewrite using 'service' and 'geoclue-configuration'. (%polkit-accounts, %polkit-pam-services, polkit-service-type): New variables. (polkit-dmd-service): New procedure. (polkit-service): Rewrite using 'service'. (<elogind-configuration>)[elogind]: New field. (elogind-dmd-service): New procedure. (elogind-service-type): New variable. (elogind-service): Rewrite using 'service'. (%desktop-services): Remove argument to 'dbus-service'. Remove 'map' over %BASE-SERVICES. * gnu/services/dmd.scm (dmd-boot-gexp): New procedure. (dmd-root-service-type, %dmd-root-service): New variables. (dmd-service-type): New macro. (<dmd-service>): New record type. * gnu/services/lirc.scm (<lirc-configuration>): New record type. (%lirc-activation): New variable. (lirc-dmd-service): New procedure. (lirc-service-type): New variable. (lirc-service): Rewrite using 'service' and 'lirc-configuration'. * gnu/services/networking.scm (<static-networking>): New record type. (static-networking-service-type): New variable. (static-networking-service): Rewrite using 'service' and 'static-networking'. (dhcp-client-service-type): New variable. (dhcp-client-service): Rewrite using 'service'. (<ntp-configuration>): New record type. (ntp-dmd-service): New procedure. (ntp-service-type): New variable. (ntp-service): New procedure. (%tor-accounts, tor-service-type): New variable. (tor-dmd-service): New procedure. (tor-service): Rewrite using 'service'. (<bitlbee-configuration>): New record type. (bitlbee-dmd-service): New procedure. (%bitlbee-accounts, %bitlbee-activation, bitlbee-service-type): New variables. (bitlbee-service): Rewrite using 'service'. (%wicd-activation): New variable. (wicd-dmd-service): New procedure. (wicd-service-type): New variable. (wicd-service): Rewrite using 'service'. * gnu/services/ssh.scm (<lsh-configuration>): New record type. (activation): Rename to... (lsh-initialization): ... this. (lsh-activation, lsh-dmd-service, lsh-pam-services): New procedures. (lsh-service-type): New variable. (lsh-service): Rewrite using 'service' and 'lsh-configuration'. * gnu/services/web.scm (<nginx-configuration>): New record type. (%nginx-accounts): New variable. (nginx-activation, nginx-dmd-service): New procedures. (nginx-service-type): New variable. (nginx-service): Rewrite using 'service' and 'nginx-configuration'. * gnu/services/xorg.scm (<slim-configuration>): New record type. (slim-pam-service, slim-dmd-service): New procedures. (slim-service-type): New variable. (slim-service): Rewrite using 'service' and 'slim-configuration'. * gnu/system.scm (file-union): Remove. (other-file-system-services): Adjust to new 'file-system-service' signature. (essential-services): Add #:container? parameter. Add %DMD-ROOT-SERVICE, %ACTIVATION-SERVICE, and calls to 'pam-root-service', 'account-service', 'operating-system-etc-service', and a SETUID-PROGRAM-SERVICE instance. (operating-system-services): Pass #:container? to 'essential-services. (etc-directory): Remove. (operating-system-etc-service): New procedure. Rewrite as a call to 'etc-service'. (operating-system-accounts): Change to not return accounts required by services. (operating-system-etc-directory): Rewrite as a call to 'fold-services' and 'etc-directory'. (user-group->gexp, user-account->gexp, modprobe-wrapper): Remove. (operating-system-activation-script): Rewrite as a call to 'fold-services' and 'activation-service->script'. (operating-system-boot-script): Likewise. (operating-system-derivation): Add call to 'lower-object'. (emacs-site-file, emacs-site-directory, shells-file): Change to use 'computed-file' and 'scheme-file' instead of the monadic procedures. * gnu/system/install.scm (cow-store-service-type): New variable. (cow-store-service): Rewrite using 'service'. (/etc/configuration-files): New procedure. (configuration-template-service-type, %configuration-template-service): New variables. (configuration-template-service): Remove. (installation-services): Adjust accordingly. Adjust argument to 'guix-service'. * gnu/system/linux.scm (/etc-entry, pam-root-service): New procedures. (pam-root-service-type): New variable. * gnu/system/shadow.scm (user-group->gexp, user-account->gexp, account-activation, etc-skel, account-service): New procedures. (account-service-type): New variable. * tests/services.scm: New file. * doc/guix.texi (Base Services, Desktop Services): Adjust accordingly. (Defining Services): Rewrite. * doc/images/service-graph.dot: New file. * doc.am (DOT_FILES): Add it. * po/guix/POTFILES.in: Add gnu/services.scm.
Diffstat (limited to 'gnu/services/ssh.scm')
-rw-r--r--gnu/services/ssh.scm178
1 files changed, 122 insertions, 56 deletions
diff --git a/gnu/services/ssh.scm b/gnu/services/ssh.scm
index 3fa0976054..d3a6cfb33a 100644
--- a/gnu/services/ssh.scm
+++ b/gnu/services/ssh.scm
@@ -18,8 +18,9 @@
(define-module (gnu services ssh)
#:use-module (guix gexp)
- #:use-module (guix store)
+ #:use-module (guix records)
#:use-module (gnu services)
+ #:use-module (gnu services dmd)
#:use-module (gnu system linux) ; 'pam-service'
#:use-module (gnu packages lsh)
#:export (lsh-service))
@@ -30,11 +31,32 @@
;;;
;;; Code:
+;; TODO: Export.
+(define-record-type* <lsh-configuration>
+ lsh-configuration make-lsh-configuration
+ lsh-configuration?
+ (lsh lsh-configuration-lsh
+ (default lsh))
+ (daemonic? lsh-configuration-daemonic?)
+ (host-key lsh-configuration-host-key)
+ (interfaces lsh-configuration-interfaces)
+ (port-number lsh-configuration-port-number)
+ (allow-empty-passwords? lsh-configuration-allow-empty-passwords?)
+ (root-login? lsh-configuration-root-login?)
+ (syslog-output? lsh-configuration-syslog-output?)
+ (pid-file? lsh-configuration-pid-file?)
+ (pid-file lsh-configuration-pid-file)
+ (x11-forwarding? lsh-configuration-x11-forwarding?)
+ (tcp/ip-forwarding? lsh-configuration-tcp/ip-forwarding?)
+ (password-authentication? lsh-configuration-password-authentication?)
+ (public-key-authentication? lsh-configuration-public-key-authentication?)
+ (initialize? lsh-configuration-initialize?))
+
(define %yarrow-seed
"/var/spool/lsh/yarrow-seed-file")
-(define (activation lsh host-key)
- "Return the gexp to activate the LSH service for HOST-KEY."
+(define (lsh-initialization lsh host-key)
+ "Return the gexp to initialize the LSH service for HOST-KEY."
#~(begin
(unless (file-exists? #$%yarrow-seed)
(system* (string-append #$lsh "/bin/lsh-make-seed")
@@ -70,6 +92,88 @@
(waitpid keygen)
(waitpid write-key))))))))))
+(define (lsh-activation config)
+ "Return the activation gexp for CONFIG."
+ #~(begin
+ (use-modules (guix build utils))
+ (mkdir-p "/var/spool/lsh")
+ #$(if (lsh-configuration-initialize? config)
+ (lsh-initialization (lsh-configuration-lsh config)
+ (lsh-configuration-host-key config))
+ #t)))
+
+(define (lsh-dmd-service config)
+ "Return a <dmd-service> for lsh with CONFIG."
+ (define lsh (lsh-configuration-lsh config))
+ (define pid-file (lsh-configuration-pid-file config))
+ (define pid-file? (lsh-configuration-pid-file? config))
+ (define daemonic? (lsh-configuration-daemonic? config))
+ (define interfaces (lsh-configuration-interfaces config))
+
+ (define lsh-command
+ (append
+ (cons #~(string-append #$lsh "/sbin/lshd")
+ (if daemonic?
+ (let ((syslog (if (lsh-configuration-syslog-output? config)
+ '()
+ (list "--no-syslog"))))
+ (cons "--daemonic"
+ (if pid-file?
+ (cons #~(string-append "--pid-file=" #$pid-file)
+ syslog)
+ (cons "--no-pid-file" syslog))))
+ (if pid-file?
+ (list #~(string-append "--pid-file=" #$pid-file))
+ '())))
+ (cons* #~(string-append "--host-key="
+ #$(lsh-configuration-host-key config))
+ #~(string-append "--password-helper=" #$lsh "/sbin/lsh-pam-checkpw")
+ #~(string-append "--subsystems=sftp=" #$lsh "/sbin/sftp-server")
+ "-p" (number->string (lsh-configuration-port-number config))
+ (if (lsh-configuration-password-authentication? config)
+ "--password" "--no-password")
+ (if (lsh-configuration-public-key-authentication? config)
+ "--publickey" "--no-publickey")
+ (if (lsh-configuration-root-login? config)
+ "--root-login" "--no-root-login")
+ (if (lsh-configuration-x11-forwarding? config)
+ "--x11-forward" "--no-x11-forward")
+ (if (lsh-configuration-tcp/ip-forwarding? config)
+ "--tcpip-forward" "--no-tcpip-forward")
+ (if (null? interfaces)
+ '()
+ (list (string-append "--interfaces="
+ (string-join interfaces ",")))))))
+
+ (define requires
+ (if (and daemonic? (lsh-configuration-syslog-output? config))
+ '(networking syslogd)
+ '(networking)))
+
+ (list (dmd-service
+ (documentation "GNU lsh SSH server")
+ (provision '(ssh-daemon))
+ (requirement requires)
+ (start #~(make-forkexec-constructor (list #$@lsh-command)))
+ (stop #~(make-kill-destructor)))))
+
+(define (lsh-pam-services config)
+ "Return a list of <pam-services> for lshd with CONFIG."
+ (list (unix-pam-service
+ "lshd"
+ #:allow-empty-passwords?
+ (lsh-configuration-allow-empty-passwords? config))))
+
+(define lsh-service-type
+ (service-type (name 'lsh)
+ (extensions
+ (list (service-extension dmd-root-service-type
+ lsh-dmd-service)
+ (service-extension pam-root-service-type
+ lsh-pam-services)
+ (service-extension activation-service-type
+ lsh-activation)))))
+
(define* (lsh-service #:key
(lsh lsh)
(daemonic? #t)
@@ -114,58 +218,20 @@ passwords, and @var{root-login?} specifies whether to accept log-ins as
root.
The other options should be self-descriptive."
- (define lsh-command
- (append
- (cons #~(string-append #$lsh "/sbin/lshd")
- (if daemonic?
- (let ((syslog (if syslog-output? '()
- (list "--no-syslog"))))
- (cons "--daemonic"
- (if pid-file?
- (cons #~(string-append "--pid-file=" #$pid-file)
- syslog)
- (cons "--no-pid-file" syslog))))
- (if pid-file?
- (list #~(string-append "--pid-file=" #$pid-file))
- '())))
- (cons* #~(string-append "--host-key=" #$host-key)
- #~(string-append "--password-helper=" #$lsh "/sbin/lsh-pam-checkpw")
- #~(string-append "--subsystems=sftp=" #$lsh "/sbin/sftp-server")
- "-p" (number->string port-number)
- (if password-authentication? "--password" "--no-password")
- (if public-key-authentication?
- "--publickey" "--no-publickey")
- (if root-login?
- "--root-login" "--no-root-login")
- (if x11-forwarding?
- "--x11-forward" "--no-x11-forward")
- (if tcp/ip-forwarding?
- "--tcpip-forward" "--no-tcpip-forward")
- (if (null? interfaces)
- '()
- (list (string-append "--interfaces="
- (string-join interfaces ",")))))))
-
- (define requires
- (if (and daemonic? syslog-output?)
- '(networking syslogd)
- '(networking)))
-
- (service
- (documentation "GNU lsh SSH server")
- (provision '(ssh-daemon))
- (requirement requires)
- (start #~(make-forkexec-constructor (list #$@lsh-command)))
- (stop #~(make-kill-destructor))
- (pam-services
- (list (unix-pam-service
- "lshd"
- #:allow-empty-passwords? allow-empty-passwords?)))
- (activate #~(begin
- (use-modules (guix build utils))
- (mkdir-p "/var/spool/lsh")
- #$(if initialize?
- (activation lsh host-key)
- #t)))))
+ (service lsh-service-type
+ (lsh-configuration (lsh lsh) (daemonic? daemonic?)
+ (host-key host-key) (interfaces interfaces)
+ (port-number port-number)
+ (allow-empty-passwords? allow-empty-passwords?)
+ (root-login? root-login?)
+ (syslog-output? syslog-output?)
+ (pid-file? pid-file?) (pid-file pid-file)
+ (x11-forwarding? x11-forwarding?)
+ (tcp/ip-forwarding? tcp/ip-forwarding?)
+ (password-authentication?
+ password-authentication?)
+ (public-key-authentication?
+ public-key-authentication?)
+ (initialize? initialize?))))
;;; ssh.scm ends here