243 lines
9.9 KiB
Scheme
243 lines
9.9 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com>
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;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu installer newt user)
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#:use-module (gnu installer user)
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#:use-module (gnu installer newt page)
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#:use-module (gnu installer newt utils)
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#:use-module (guix i18n)
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#:use-module (newt)
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#:use-module (ice-9 match)
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#:use-module (ice-9 receive)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:export (run-user-page))
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(define* (run-user-add-page #:key (name "") (real-name "")
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(home-directory ""))
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"Run a form to enter the user name, home directory, and password. Use NAME,
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REAL-NAME, and HOME-DIRECTORY as the initial values in the form."
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(define (pad-label label)
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(string-pad-right label 20))
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(let* ((label-name
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(make-label -1 -1 (pad-label (G_ "Name"))))
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(label-real-name
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(make-label -1 -1 (pad-label (G_ "Real name"))))
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(label-home-directory
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(make-label -1 -1 (pad-label (G_ "Home directory"))))
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(label-password
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(make-label -1 -1 (pad-label (G_ "Password"))))
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(entry-width 30)
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(entry-name (make-entry -1 -1 entry-width
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#:initial-value name))
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(entry-real-name (make-entry -1 -1 entry-width
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#:initial-value real-name))
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(entry-home-directory (make-entry -1 -1 entry-width
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#:initial-value home-directory))
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(entry-password (make-entry -1 -1 entry-width
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#:flags FLAG-PASSWORD))
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(entry-grid (make-grid 2 5))
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(button-grid (make-grid 1 1))
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(ok-button (make-button -1 -1 (G_ "OK")))
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(grid (make-grid 1 2))
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(title (G_ "User creation"))
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(set-entry-grid-field
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(cut set-grid-field entry-grid <> <> GRID-ELEMENT-COMPONENT <>))
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(form (make-form)))
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(set-entry-grid-field 0 0 label-name)
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(set-entry-grid-field 1 0 entry-name)
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(set-entry-grid-field 0 1 label-real-name)
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(set-entry-grid-field 1 1 entry-real-name)
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(set-entry-grid-field 0 2 label-home-directory)
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(set-entry-grid-field 1 2 entry-home-directory)
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(set-entry-grid-field 0 3 label-password)
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(set-entry-grid-field 1 3 entry-password)
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(set-grid-field button-grid 0 0 GRID-ELEMENT-COMPONENT ok-button)
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(add-component-callback
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entry-name
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(lambda (component)
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(set-entry-text entry-home-directory
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(string-append "/home/" (entry-value entry-name)))
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(when (string-null? (entry-value entry-real-name))
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(set-entry-text entry-real-name
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(string-titlecase (entry-value entry-name))))))
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(add-components-to-form form
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label-name label-real-name
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label-home-directory label-password
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entry-name entry-real-name
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entry-home-directory entry-password
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ok-button)
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(make-wrapped-grid-window (vertically-stacked-grid
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GRID-ELEMENT-SUBGRID entry-grid
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GRID-ELEMENT-SUBGRID button-grid)
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title)
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(let ((error-page
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(lambda ()
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(run-error-page (G_ "Empty inputs are not allowed.")
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(G_ "Empty input")))))
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(receive (exit-reason argument)
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(run-form form)
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(dynamic-wind
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(const #t)
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(lambda ()
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(when (eq? exit-reason 'exit-component)
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(cond
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((components=? argument ok-button)
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(let ((name (entry-value entry-name))
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(real-name (entry-value entry-real-name))
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(home-directory (entry-value entry-home-directory))
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(password (entry-value entry-password)))
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(if (or (string=? name "")
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(string=? home-directory ""))
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(begin
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(error-page)
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(run-user-add-page))
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(let ((password (confirm-password password)))
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(if password
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(user
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(name name)
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(real-name real-name)
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(home-directory home-directory)
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(password password))
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(run-user-add-page #:name name
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#:real-name real-name
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#:home-directory
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home-directory)))))))))
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(lambda ()
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(destroy-form-and-pop form)))))))
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(define* (confirm-password password #:optional (try-again (const #f)))
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"Ask the user to confirm PASSWORD, a possibly empty string. Call TRY-AGAIN,
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a thunk, if the confirmation doesn't match PASSWORD, and return its result."
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(define confirmation
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(run-input-page (G_ "Please confirm the password.")
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(G_ "Password confirmation required")
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#:allow-empty-input? #t
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#:input-flags FLAG-PASSWORD))
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(if (string=? password confirmation)
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password
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(begin
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(run-error-page
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(G_ "Password mismatch, please try again.")
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(G_ "Password error"))
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(try-again))))
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(define (run-root-password-page)
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;; TRANSLATORS: Leave "root" untranslated: it refers to the name of the
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;; system administrator account.
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(define password
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(run-input-page (G_ "Please choose a password for the system \
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administrator (\"root\").")
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(G_ "System administrator password")
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#:input-flags FLAG-PASSWORD))
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(confirm-password password run-root-password-page))
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(define (run-user-page)
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(define (run users)
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(let* ((listbox (make-listbox
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-1 -1 10
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(logior FLAG-SCROLL FLAG-BORDER)))
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(info-textbox
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(make-reflowed-textbox
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-1 -1
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(G_ "Please add at least one user to system\
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using the 'Add' button.")
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40 #:flags FLAG-BORDER))
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(add-button (make-compact-button -1 -1 (G_ "Add")))
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(del-button (make-compact-button -1 -1 (G_ "Delete")))
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(listbox-button-grid
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(apply
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vertically-stacked-grid
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GRID-ELEMENT-COMPONENT add-button
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`(,@(if (null? users)
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'()
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(list GRID-ELEMENT-COMPONENT del-button)))))
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(ok-button (make-button -1 -1 (G_ "OK")))
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(exit-button (make-button -1 -1 (G_ "Exit")))
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(title "User creation")
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(grid
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(vertically-stacked-grid
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GRID-ELEMENT-COMPONENT info-textbox
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GRID-ELEMENT-SUBGRID (horizontal-stacked-grid
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GRID-ELEMENT-COMPONENT listbox
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GRID-ELEMENT-SUBGRID listbox-button-grid)
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GRID-ELEMENT-SUBGRID (horizontal-stacked-grid
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GRID-ELEMENT-COMPONENT ok-button
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GRID-ELEMENT-COMPONENT exit-button)))
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(sorted-users (sort users (lambda (a b)
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(string<= (user-name a)
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(user-name b)))))
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(listbox-elements
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(map
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(lambda (user)
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`((key . ,(append-entry-to-listbox listbox
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(user-name user)))
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(user . ,user)))
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sorted-users))
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(form (make-form)))
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(add-form-to-grid grid form #t)
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(make-wrapped-grid-window grid title)
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(if (null? users)
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(set-current-component form add-button)
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(set-current-component form ok-button))
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(receive (exit-reason argument)
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(run-form form)
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(dynamic-wind
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(const #t)
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(lambda ()
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(when (eq? exit-reason 'exit-component)
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(cond
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((components=? argument add-button)
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(run (cons (run-user-add-page) users)))
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((components=? argument del-button)
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(let* ((current-user-key (current-listbox-entry listbox))
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(users
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(map (cut assoc-ref <> 'user)
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(remove (lambda (element)
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(equal? (assoc-ref element 'key)
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current-user-key))
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listbox-elements))))
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(run users)))
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((components=? argument ok-button)
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(when (null? users)
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(run-error-page (G_ "Please create at least one user.")
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(G_ "No user"))
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(run users))
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(reverse users)))))
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(lambda ()
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(destroy-form-and-pop form))))))
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;; Add a "root" user simply to convey the root password.
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(cons (user (name "root")
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(home-directory "/root")
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(password (run-root-password-page)))
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(run '())))
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