0e8e963d73
* gnu/installer/newt/user.scm (run-user-add-page): Add #:real-name. Add a label and entry for the real name and initialize the 'real-name' field of the <user> record. * gnu/installer/final.scm (create-user-database): Set the 'comment' field of the <user-account> record.
118 lines
4.6 KiB
Scheme
118 lines
4.6 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 final)
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#:use-module (gnu installer newt page)
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#:use-module (gnu installer steps)
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#:use-module (gnu installer utils)
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#:use-module (gnu installer user)
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#:use-module (gnu services herd)
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#:use-module (guix build utils)
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#:use-module (gnu build accounts)
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#:use-module ((gnu system shadow) #:prefix sys:)
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#:use-module (rnrs io ports)
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#:export (install-system))
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(define %seed
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(seed->random-state
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(logxor (getpid) (car (gettimeofday)))))
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(define (integer->alphanumeric-char n)
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"Map N, an integer in the [0..62] range, to an alphanumeric character."
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(cond ((< n 10)
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(integer->char (+ (char->integer #\0) n)))
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((< n 36)
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(integer->char (+ (char->integer #\A) (- n 10))))
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((< n 62)
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(integer->char (+ (char->integer #\a) (- n 36))))
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(else
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(error "integer out of bounds" n))))
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(define (random-string len)
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"Compute a random string of size LEN where each character is alphanumeric."
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(let loop ((chars '())
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(len len))
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(if (zero? len)
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(list->string chars)
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(let ((n (random 62 %seed)))
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(loop (cons (integer->alphanumeric-char n) chars)
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(- len 1))))))
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(define (create-user-database users root)
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"Create /etc/passwd, /etc/shadow, and /etc/group under ROOT for the given
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USERS."
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(define etc
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(string-append root "/etc"))
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(define (salt)
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;; "$6" gives us a SHA512 password hash; the random string must be taken
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;; from the './0-9A-Za-z' alphabet (info "(libc) Passphrase Storage").
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(string-append "$6$" (random-string 10)))
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(define users*
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(map (lambda (user)
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(define root?
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(string=? "root" (user-name user)))
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(sys:user-account (name (user-name user))
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(comment (user-real-name user))
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(group "users")
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(uid (if root? 0 #f))
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(home-directory
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(user-home-directory user))
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(password (crypt (user-password user)
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(salt)))
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;; We need a string here, not a file-like, hence
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;; this choice.
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(shell
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"/run/current-system/profile/bin/bash")))
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users))
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(define-values (group password shadow)
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(user+group-databases users* sys:%base-groups
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#:current-passwd '()
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#:current-groups '()
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#:current-shadow '()))
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(mkdir-p etc)
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(write-group group (string-append etc "/group"))
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(write-passwd password (string-append etc "/passwd"))
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(write-shadow shadow (string-append etc "/shadow")))
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(define* (install-system locale #:key (users '()))
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"Create /etc/shadow and /etc/passwd on the installation target for USERS.
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Start COW-STORE service on target directory and launch guix install command in
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a subshell. LOCALE must be the locale name under which that command will run,
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or #f. Return #t on success and #f on failure."
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(let ((install-command
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(format #f "guix system init ~a ~a"
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(%installer-configuration-file)
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(%installer-target-dir))))
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(mkdir-p (%installer-target-dir))
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;; We want to initialize user passwords but we don't want to store them in
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;; the config file since the password hashes would end up world-readable
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;; in the store. Thus, create /etc/shadow & co. here such that, on the
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;; first boot, the activation snippet that creates accounts will reuse the
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;; passwords that we've put in there.
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(create-user-database users (%installer-target-dir))
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(start-service 'cow-store (list (%installer-target-dir)))
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(run-shell-command install-command #:locale locale)))
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