;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com> ;;; Copyright © 2019 Ludovic Courtès <ludo@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 installer newt user) #:use-module (gnu installer user) #:use-module ((gnu installer steps) #:select (&installer-step-abort)) #:use-module (gnu installer newt page) #:use-module (gnu installer newt utils) #:use-module (guix i18n) #:use-module (newt) #:use-module (ice-9 match) #:use-module (ice-9 receive) #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) #:use-module (srfi srfi-34) #:use-module (srfi srfi-35) #:export (run-user-page)) (define* (run-user-add-page #:key (name "") (real-name "") (home-directory "")) "Run a form to enter the user name, home directory, and password. Use NAME, REAL-NAME, and HOME-DIRECTORY as the initial values in the form." (define (pad-label label) (string-pad-right label 25)) (let* ((label-name (make-label -1 -1 (pad-label (G_ "Name")))) (label-real-name (make-label -1 -1 (pad-label (G_ "Real name")))) (label-home-directory (make-label -1 -1 (pad-label (G_ "Home directory")))) (label-password (make-label -1 -1 (pad-label (G_ "Password")))) (entry-width 35) (entry-name (make-entry -1 -1 entry-width #:initial-value name)) (entry-real-name (make-entry -1 -1 entry-width #:initial-value real-name)) (entry-home-directory (make-entry -1 -1 entry-width #:initial-value home-directory)) (password-visible-cb (make-checkbox -1 -1 (G_ "Hide") #\x "x ")) (entry-password (make-entry -1 -1 entry-width #:flags (logior FLAG-PASSWORD FLAG-SCROLL))) (entry-grid (make-grid 3 5)) (button-grid (make-grid 1 1)) (ok-button (make-button -1 -1 (G_ "OK"))) (grid (make-grid 1 2)) (title (G_ "User creation")) (set-entry-grid-field (cut set-grid-field entry-grid <> <> GRID-ELEMENT-COMPONENT <>)) (form (make-form))) (set-entry-grid-field 0 0 label-name) (set-entry-grid-field 1 0 entry-name) (set-entry-grid-field 0 1 label-real-name) (set-entry-grid-field 1 1 entry-real-name) (set-entry-grid-field 0 2 label-home-directory) (set-entry-grid-field 1 2 entry-home-directory) (set-entry-grid-field 0 3 label-password) (set-entry-grid-field 1 3 entry-password) (set-grid-field entry-grid 2 3 GRID-ELEMENT-COMPONENT password-visible-cb #:pad-left 1) (set-grid-field button-grid 0 0 GRID-ELEMENT-COMPONENT ok-button) (add-component-callback entry-name (lambda (component) (set-entry-text entry-home-directory (string-append "/home/" (entry-value entry-name))) (when (string-null? (entry-value entry-real-name)) (set-entry-text entry-real-name (string-titlecase (entry-value entry-name)))))) (add-component-callback password-visible-cb (lambda (component) (set-entry-flags entry-password FLAG-PASSWORD FLAG-ROLE-TOGGLE))) (add-components-to-form form label-name label-real-name label-home-directory label-password entry-name entry-real-name entry-home-directory entry-password password-visible-cb ok-button) (make-wrapped-grid-window (vertically-stacked-grid GRID-ELEMENT-SUBGRID entry-grid GRID-ELEMENT-SUBGRID button-grid) title) (let ((error-page (lambda () (run-error-page (G_ "Empty inputs are not allowed.") (G_ "Empty input"))))) (receive (exit-reason argument) (run-form form) (dynamic-wind (const #t) (lambda () (when (eq? exit-reason 'exit-component) (cond ((components=? argument ok-button) (let ((name (entry-value entry-name)) (real-name (entry-value entry-real-name)) (home-directory (entry-value entry-home-directory)) (password (entry-value entry-password))) (if (or (string=? name "") (string=? home-directory "")) (begin (error-page) (run-user-add-page)) (let ((password (confirm-password password))) (if password (user (name name) (real-name real-name) (home-directory home-directory) (password password)) (run-user-add-page #:name name #:real-name real-name #:home-directory home-directory))))))))) (lambda () (destroy-form-and-pop form))))))) (define* (confirm-password password #:optional (try-again (const #f))) "Ask the user to confirm PASSWORD, a possibly empty string. Call TRY-AGAIN, a thunk, if the confirmation doesn't match PASSWORD, and return its result." (define confirmation (run-input-page (G_ "Please confirm the password.") (G_ "Password confirmation required") #:allow-empty-input? #t #:input-hide-checkbox? #t)) (if (string=? password confirmation) password (begin (run-error-page (G_ "Password mismatch, please try again.") (G_ "Password error")) (try-again)))) (define (run-root-password-page) ;; TRANSLATORS: Leave "root" untranslated: it refers to the name of the ;; system administrator account. (define password (run-input-page (G_ "Please choose a password for the system \ administrator (\"root\").") (G_ "System administrator password") #:input-hide-checkbox? #t)) (confirm-password password run-root-password-page)) (define (run-user-page) (define (run users) (let* ((listbox (make-listbox -1 -1 10 (logior FLAG-SCROLL FLAG-BORDER))) (info-textbox (make-reflowed-textbox -1 -1 (G_ "Please add at least one user to system\ using the 'Add' button.") 40 #:flags FLAG-BORDER)) (add-button (make-compact-button -1 -1 (G_ "Add"))) (del-button (make-compact-button -1 -1 (G_ "Delete"))) (listbox-button-grid (apply vertically-stacked-grid GRID-ELEMENT-COMPONENT add-button `(,@(if (null? users) '() (list GRID-ELEMENT-COMPONENT del-button))))) (ok-button (make-button -1 -1 (G_ "OK"))) (exit-button (make-button -1 -1 (G_ "Exit"))) (title (G_ "User creation")) (grid (vertically-stacked-grid GRID-ELEMENT-COMPONENT info-textbox GRID-ELEMENT-SUBGRID (horizontal-stacked-grid GRID-ELEMENT-COMPONENT listbox GRID-ELEMENT-SUBGRID listbox-button-grid) GRID-ELEMENT-SUBGRID (horizontal-stacked-grid GRID-ELEMENT-COMPONENT ok-button GRID-ELEMENT-COMPONENT exit-button))) (sorted-users (sort users (lambda (a b) (string<= (user-name a) (user-name b))))) (listbox-elements (map (lambda (user) `((key . ,(append-entry-to-listbox listbox (user-name user))) (user . ,user))) sorted-users)) (form (make-form))) (add-form-to-grid grid form #t) (make-wrapped-grid-window grid title) (if (null? users) (set-current-component form add-button) (set-current-component form ok-button)) (receive (exit-reason argument) (run-form form) (dynamic-wind (const #t) (lambda () (when (eq? exit-reason 'exit-component) (cond ((components=? argument add-button) (run (cons (run-user-add-page) users))) ((components=? argument del-button) (let* ((current-user-key (current-listbox-entry listbox)) (users (map (cut assoc-ref <> 'user) (remove (lambda (element) (equal? (assoc-ref element 'key) current-user-key)) listbox-elements)))) (run users))) ((components=? argument ok-button) (when (null? users) (run-error-page (G_ "Please create at least one user.") (G_ "No user")) (run users)) (reverse users)) ((components=? argument exit-button) (raise (condition (&installer-step-abort))))))) (lambda () (destroy-form-and-pop form)))))) ;; Add a "root" user simply to convey the root password. (cons (user (name "root") (home-directory "/root") (password (run-root-password-page))) (run '())))