diff options
| -rw-r--r-- | gnu/services/authentication.scm | 28 | ||||
| -rw-r--r-- | gnu/services/base.scm | 54 | ||||
| -rw-r--r-- | gnu/services/desktop.scm | 44 | ||||
| -rw-r--r-- | gnu/services/kerberos.scm | 44 | ||||
| -rw-r--r-- | gnu/services/lightdm.scm | 2 | ||||
| -rw-r--r-- | gnu/services/mail.scm | 4 | ||||
| -rw-r--r-- | gnu/services/pam-mount.scm | 23 | ||||
| -rw-r--r-- | gnu/services/sddm.scm | 2 | ||||
| -rw-r--r-- | gnu/services/ssh.scm | 10 | ||||
| -rw-r--r-- | gnu/services/xorg.scm | 4 | ||||
| -rw-r--r-- | gnu/system/pam.scm | 76 |
11 files changed, 179 insertions, 112 deletions
diff --git a/gnu/services/authentication.scm b/gnu/services/authentication.scm index f7becdfafb..f1ad1b1afe 100644 --- a/gnu/services/authentication.scm +++ b/gnu/services/authentication.scm @@ -506,19 +506,21 @@ password.") (define pam-ldap-module #~(string-append #$(nslcd-configuration-nss-pam-ldapd config) "/lib/security/pam_ldap.so")) - (lambda (pam) - (if (member (pam-service-name pam) - (nslcd-configuration-pam-services config)) - (let ((sufficient - (pam-entry - (control "sufficient") - (module pam-ldap-module)))) - (pam-service - (inherit pam) - (auth (cons sufficient (pam-service-auth pam))) - (session (cons sufficient (pam-service-session pam))) - (account (cons sufficient (pam-service-account pam))))) - pam))) + (pam-extension + (transformer + (lambda (pam) + (if (member (pam-service-name pam) + (nslcd-configuration-pam-services config)) + (let ((sufficient + (pam-entry + (control "sufficient") + (module pam-ldap-module)))) + (pam-service + (inherit pam) + (auth (cons sufficient (pam-service-auth pam))) + (session (cons sufficient (pam-service-session pam))) + (account (cons sufficient (pam-service-account pam))))) + pam))))) (define (pam-ldap-pam-services config) (list (pam-ldap-pam-service config))) diff --git a/gnu/services/base.scm b/gnu/services/base.scm index a4005fc4fd..fdc2c8c764 100644 --- a/gnu/services/base.scm +++ b/gnu/services/base.scm @@ -1603,20 +1603,22 @@ information on the configuration file syntax." (define pam-limits-service-type (let ((pam-extension - (lambda (pam) - (let ((pam-limits (pam-entry - (control "required") - (module "pam_limits.so") - (arguments - '("conf=/etc/security/limits.conf"))))) - (if (member (pam-service-name pam) - '("login" "greetd" "su" "slim" "gdm-password" "sddm" - "sudo" "sshd")) - (pam-service - (inherit pam) - (session (cons pam-limits - (pam-service-session pam)))) - pam)))) + (pam-extension + (transformer + (lambda (pam) + (let ((pam-limits (pam-entry + (control "required") + (module "pam_limits.so") + (arguments + '("conf=/etc/security/limits.conf"))))) + (if (member (pam-service-name pam) + '("login" "greetd" "su" "slim" "gdm-password" + "sddm" "sudo" "sshd")) + (pam-service + (inherit pam) + (session (cons pam-limits + (pam-service-session pam)))) + pam)))))) ;; XXX: Using file-like objects is deprecated, use lists instead. ;; This is to be reduced into the list? case when the deprecated @@ -3264,16 +3266,18 @@ to handle." (greetd-allow-empty-passwords? config) #:motd (greetd-motd config)) - (lambda (pam) - (if (member (pam-service-name pam) - '("login" "greetd" "su" "slim" "gdm-password")) - (pam-service - (inherit pam) - (auth (append (pam-service-auth pam) - (list optional-pam-mount))) - (session (append (pam-service-session pam) - (list optional-pam-mount)))) - pam)))) + (pam-extension + (transformer + (lambda (pam) + (if (member (pam-service-name pam) + '("login" "greetd" "su" "slim" "gdm-password")) + (pam-service + (inherit pam) + (auth (append (pam-service-auth pam) + (list optional-pam-mount))) + (session (append (pam-service-session pam) + (list optional-pam-mount)))) + pam)))))) (define (greetd-shepherd-services config) (map @@ -3285,7 +3289,7 @@ to handle." (greetd-vt (greetd-terminal-vt tc))) (shepherd-service (documentation "Minimal and flexible login manager daemon") - (requirement '(user-processes host-name udev virtual-terminal)) + (requirement '(pam user-processes host-name udev virtual-terminal)) (provision (list (symbol-append 'term-tty (string->symbol (greetd-terminal-vt tc))))) diff --git a/gnu/services/desktop.scm b/gnu/services/desktop.scm index adea5b38dd..6b1b21cf80 100644 --- a/gnu/services/desktop.scm +++ b/gnu/services/desktop.scm @@ -1187,10 +1187,12 @@ seats.)" (module (file-append (elogind-package config) "/lib/security/pam_elogind.so")))) - (list (lambda (pam) - (pam-service - (inherit pam) - (session (cons pam-elogind (pam-service-session pam))))))) + (list (pam-extension + (transformer + (lambda (pam) + (pam-service + (inherit pam) + (session (cons pam-elogind (pam-service-session pam))))))))) (define (elogind-shepherd-service config) "Return a Shepherd service to start elogind according to @var{config}." @@ -1703,22 +1705,24 @@ dispatches events from it."))) (arguments arguments))) (list - (lambda (service) - (case (assoc-ref (gnome-keyring-pam-services config) - (pam-service-name service)) - ((login) - (pam-service - (inherit service) - (auth (append (pam-service-auth service) - (list (%pam-keyring-entry)))) - (session (append (pam-service-session service) - (list (%pam-keyring-entry "auto_start")))))) - ((passwd) - (pam-service - (inherit service) - (password (append (pam-service-password service) - (list (%pam-keyring-entry)))))) - (else service))))) + (pam-extension + (transformer + (lambda (service) + (case (assoc-ref (gnome-keyring-pam-services config) + (pam-service-name service)) + ((login) + (pam-service + (inherit service) + (auth (append (pam-service-auth service) + (list (%pam-keyring-entry)))) + (session (append (pam-service-session service) + (list (%pam-keyring-entry "auto_start")))))) + ((passwd) + (pam-service + (inherit service) + (password (append (pam-service-password service) + (list (%pam-keyring-entry)))))) + (else service))))))) (define gnome-keyring-service-type (service-type diff --git a/gnu/services/kerberos.scm b/gnu/services/kerberos.scm index c3c7872734..1a1b37f890 100644 --- a/gnu/services/kerberos.scm +++ b/gnu/services/kerberos.scm @@ -428,27 +428,29 @@ generates such a file. It does not cause any daemon to be started."))) (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))))))) + (pam-extension + (transformer + (lambda (pam) + (define pam-krb5-module + #~(string-append #$(pam-krb5-configuration-pam-krb5 config) + "/lib/security/pam_krb5.so")) + + (let ((pam-krb5-sufficient + (pam-entry + (control "sufficient") + (module pam-krb5-module) + (arguments + (list + (format #f "minimum_uid=~a" + (pam-krb5-configuration-minimum-uid config))))))) + (pam-service + (inherit pam) + (auth (cons* pam-krb5-sufficient + (pam-service-auth pam))) + (session (cons* pam-krb5-sufficient + (pam-service-session pam))) + (account (cons* pam-krb5-sufficient + (pam-service-account pam))))))))) (define (pam-krb5-pam-services config) (list (pam-krb5-pam-service config))) diff --git a/gnu/services/lightdm.scm b/gnu/services/lightdm.scm index 0b9094cda1..b966f402d6 100644 --- a/gnu/services/lightdm.scm +++ b/gnu/services/lightdm.scm @@ -616,7 +616,7 @@ port=" (number->string vnc-server-port) "\n" (list (shepherd-service (documentation "LightDM display manager") - (requirement '(dbus-system user-processes host-name)) + (requirement '(pam dbus-system user-processes host-name)) (provision '(lightdm display-manager xorg-server)) (respawn? #f) (start diff --git a/gnu/services/mail.scm b/gnu/services/mail.scm index bf4948dcfb..12dcc8e71d 100644 --- a/gnu/services/mail.scm +++ b/gnu/services/mail.scm @@ -1578,7 +1578,7 @@ greyed out, instead of only later giving \"not selectable\" popup error. (list (shepherd-service (documentation "Run the Dovecot POP3/IMAP mail server.") (provision '(dovecot)) - (requirement '(networking)) + (requirement '(pam networking)) (start #~(make-forkexec-constructor (list (string-append #$dovecot "/sbin/dovecot") "-F"))) @@ -1676,7 +1676,7 @@ match from local for any action outbound (package config-file shepherd-requirement) (list (shepherd-service (provision '(smtpd)) - (requirement `(loopback ,@shepherd-requirement)) + (requirement `(pam loopback ,@shepherd-requirement)) (documentation "Run the OpenSMTPD daemon.") (start (let ((smtpd (file-append package "/sbin/smtpd"))) #~(make-forkexec-constructor diff --git a/gnu/services/pam-mount.scm b/gnu/services/pam-mount.scm index e60781d05b..21c34ddd61 100644 --- a/gnu/services/pam-mount.scm +++ b/gnu/services/pam-mount.scm @@ -88,16 +88,19 @@ (pam-entry (control "optional") (module #~(string-append #$pam-mount "/lib/security/pam_mount.so")))) - (list (lambda (pam) - (if (member (pam-service-name pam) - '("login" "greetd" "su" "slim" "gdm-password" "sddm")) - (pam-service - (inherit pam) - (auth (append (pam-service-auth pam) - (list optional-pam-mount))) - (session (append (pam-service-session pam) - (list optional-pam-mount)))) - pam)))) + (list + (pam-extension + (transformer + (lambda (pam) + (if (member (pam-service-name pam) + '("login" "greetd" "su" "slim" "gdm-password" "sddm")) + (pam-service + (inherit pam) + (auth (append (pam-service-auth pam) + (list optional-pam-mount))) + (session (append (pam-service-session pam) + (list optional-pam-mount)))) + pam)))))) (define pam-mount-service-type (service-type diff --git a/gnu/services/sddm.scm b/gnu/services/sddm.scm index 9e02f1cc81..c9a7ba96f4 100644 --- a/gnu/services/sddm.scm +++ b/gnu/services/sddm.scm @@ -169,7 +169,7 @@ Relogin=" (if (sddm-configuration-relogin? config) (list (shepherd-service (documentation "SDDM display manager.") - (requirement '(user-processes elogind)) + (requirement '(user-processes elogind pam)) (provision '(xorg-server display-manager)) (start #~(make-forkexec-constructor #$sddm-command)) (stop #~(make-kill-destructor))))) diff --git a/gnu/services/ssh.scm b/gnu/services/ssh.scm index b76544c1a8..de5afdaa1a 100644 --- a/gnu/services/ssh.scm +++ b/gnu/services/ssh.scm @@ -197,9 +197,11 @@ interfaces))))) (define requires - (if (and daemonic? (lsh-configuration-syslog-output? config)) - '(networking syslogd) - '(networking))) + `(networking + pam + ,@(if (and daemonic? (lsh-configuration-syslog-output? config)) + '(syslogd) + '()))) (list (shepherd-service (documentation "GNU lsh SSH server") @@ -566,7 +568,7 @@ of user-name/file-like tuples." (list (shepherd-service (documentation "OpenSSH server.") - (requirement '(syslogd loopback)) + (requirement '(pam syslogd loopback)) (provision '(ssh-daemon ssh sshd)) (start #~(if #$inetd-style? diff --git a/gnu/services/xorg.scm b/gnu/services/xorg.scm index 7295a45b59..8b6080fd26 100644 --- a/gnu/services/xorg.scm +++ b/gnu/services/xorg.scm @@ -667,7 +667,7 @@ reboot_cmd " shepherd "/sbin/reboot\n" (list (symbol-append 'xorg-server- (string->symbol vt))))) - (requirement '(user-processes host-name udev)) + (requirement '(pam user-processes host-name udev)) (start #~(lambda () ;; A stale lock file can prevent SLiM from starting, so remove it to @@ -1119,7 +1119,7 @@ argument."))) (list (shepherd-service (documentation "Xorg display server (GDM)") (provision '(xorg-server)) - (requirement '(dbus-system user-processes host-name udev elogind)) + (requirement '(dbus-system pam user-processes host-name udev elogind)) (start #~(lambda () (fork+exec-command (list #$(file-append (gdm-configuration-gdm config) diff --git a/gnu/system/pam.scm b/gnu/system/pam.scm index b635681642..adc40c975f 100644 --- a/gnu/system/pam.scm +++ b/gnu/system/pam.scm @@ -1,5 +1,6 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2013-2017, 2019-2021 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2023 Josselin Poiret <dev@jpoiret.xyz> ;;; ;;; This file is part of GNU Guix. ;;; @@ -19,8 +20,11 @@ (define-module (gnu system pam) #:use-module (guix records) #:use-module (guix derivations) + #:use-module (guix diagnostics) #:use-module (guix gexp) + #:use-module (guix i18n) #:use-module (gnu services) + #:use-module (gnu services shepherd) #:use-module (gnu system setuid) #:use-module (ice-9 match) #:use-module (srfi srfi-1) @@ -55,6 +59,10 @@ session-environment-service session-environment-service-type + pam-extension + pam-extension-transformer + pam-extension-shepherd-requirements + pam-root-service-type pam-root-service)) @@ -347,32 +355,71 @@ strings or string-valued gexps." ;;; PAM root service. ;;; +;; Extension of the PAM configuration. A PAM transformer consists of a +;; procedure acting on each PAM entry; 'shepherd-requirements' lists services +;; that the meta 'pam' Shepherd service will depend on. +(define-record-type* <pam-extension> + pam-extension make-pam-extension pam-extension? + (transformer pam-extension-transformer) + (shepherd-requirements pam-extension-shepherd-requirements + (default '()))) + ;; Overall PAM configuration: a list of services, plus a procedure that takes ;; one <pam-service> and returns a <pam-service>. The procedure is used to ;; implement cross-cutting concerns such as the use of the 'elogind.so' ;; session module that keeps track of logged-in users. (define-record-type* <pam-configuration> - pam-configuration make-pam-configuration? pam-configuration? - (services pam-configuration-services) ;list of <pam-service> - (transform pam-configuration-transform)) ;procedure + pam-configuration make-pam-configuration pam-configuration? + ;list of <pam-service> + (services pam-configuration-services) + ;list of procedures <pam-entry> -> <pam-entry> + (transformers pam-configuration-transformers) + ;list of symbols + (shepherd-requirements pam-configuration-shepherd-requirements)) (define (/etc-entry config) "Return the /etc/pam.d entry corresponding to CONFIG." (match config - (($ <pam-configuration> services transform) - (let ((services (map transform services))) + (($ <pam-configuration> services transformers shepherd-requirements) + (let ((services (map (apply compose identity transformers) + services))) `(("pam.d" ,(pam-services->directory services))))))) +(define (pam-shepherd-service config) + "Return the PAM synchronization shepherd service corresponding to CONFIG." + (match config + (($ <pam-configuration> services transformers shepherd-requirements) + (list (shepherd-service + (documentation "Synchronization point for services that need to be +started for PAM to work.") + (provision '(pam)) + (requirement shepherd-requirements) + (start #~(const #t)) + (stop #~(const #t))))))) + (define (extend-configuration initial extensions) "Extend INITIAL with NEW." - (let-values (((services procs) - (partition pam-service? extensions))) + ;; TODO: Remove deprecation shim. + (define cleaned-extensions + (map (lambda (ext) + (if (procedure? ext) + (begin + (warning (G_ "'pam-root-service-type' extensions should \ +now use the <pam-extension> record~%")) + (pam-extension (transformer ext))) + ext)) + extensions)) + + (let-values (((services pam-extensions) + (partition pam-service? cleaned-extensions))) (pam-configuration (services (append (pam-configuration-services initial) services)) - (transform (apply compose - (pam-configuration-transform initial) - procs))))) + (transformers (append (pam-configuration-transformers initial) + (map pam-extension-transformer pam-extensions))) + (shepherd-requirements + (append (pam-configuration-shepherd-requirements initial) + (append-map pam-extension-shepherd-requirements pam-extensions)))))) (define pam-root-service-type (service-type (name 'pam) @@ -382,7 +429,9 @@ strings or string-valued gexps." (lambda (_) (list (file-like->setuid-program (file-append linux-pam "/sbin/unix_chkpwd"))))) - (service-extension etc-service-type /etc-entry))) + (service-extension etc-service-type /etc-entry) + (service-extension shepherd-root-service-type + pam-shepherd-service))) ;; Arguments include <pam-service> as well as procedures. (compose concatenate) @@ -394,7 +443,7 @@ such as @command{login} or @command{sshd}, and specifies for instance how the program may authenticate users or what it should do when opening a new session."))) -(define* (pam-root-service base #:key (transform identity)) +(define* (pam-root-service base #:key (transformers '()) (shepherd-requirements '())) "The \"root\" PAM service, which collects <pam-service> instance and turns them into a /etc/pam.d directory, including the <pam-service> listed in BASE. TRANSFORM is a procedure that takes a <pam-service> and returns a @@ -402,6 +451,7 @@ TRANSFORM is a procedure that takes a <pam-service> and returns a all the PAM services." (service pam-root-service-type (pam-configuration (services base) - (transform transform)))) + (transformers transformers) + (shepherd-requirements shepherd-requirements)))) |