325 lines
14 KiB
Scheme
325 lines
14 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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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 (test-accounts)
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#:use-module (gnu build accounts)
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#:use-module (gnu system accounts)
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#:use-module (srfi srfi-19)
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#:use-module (srfi srfi-64)
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#:use-module (ice-9 vlist)
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#:use-module (ice-9 match))
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(define %passwd-sample
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"\
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root:x:0:0:Admin:/root:/bin/sh
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charlie:x:1000:998:Charlie:/home/charlie:/bin/sh\n")
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(define %group-sample
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"\
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root:x:0:
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wheel:x:999:alice,bob
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hackers:x:65000:alice,charlie\n")
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(define %shadow-sample
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(string-append "\
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root:" (crypt "secret" "$6$abc") ":17169::::::
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charlie:" (crypt "hey!" "$6$abc") ":17169::::::
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nobody:!:0::::::\n"))
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(test-begin "accounts")
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(test-equal "write-passwd"
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%passwd-sample
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(call-with-output-string
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(lambda (port)
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(write-passwd (list (password-entry
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(name "root")
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(uid 0) (gid 0)
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(real-name "Admin")
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(directory "/root")
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(shell "/bin/sh"))
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(password-entry
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(name "charlie")
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(uid 1000) (gid 998)
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(real-name "Charlie")
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(directory "/home/charlie")
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(shell "/bin/sh")))
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port))))
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(test-equal "write-passwd with duplicate entry"
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%passwd-sample
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(call-with-output-string
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(lambda (port)
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(let ((charlie (password-entry
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(name "charlie")
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(uid 1000) (gid 998)
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(real-name "Charlie")
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(directory "/home/charlie")
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(shell "/bin/sh"))))
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(write-passwd (list (password-entry
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(name "root")
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(uid 0) (gid 0)
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(real-name "Admin")
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(directory "/root")
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(shell "/bin/sh"))
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charlie charlie)
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port)))))
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(test-equal "read-passwd + write-passwd"
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%passwd-sample
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(call-with-output-string
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(lambda (port)
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(write-passwd (call-with-input-string %passwd-sample
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read-passwd)
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port))))
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(test-equal "write-group"
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%group-sample
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(call-with-output-string
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(lambda (port)
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(write-group (list (group-entry
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(name "root") (gid 0))
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(group-entry
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(name "wheel") (gid 999)
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(members '("alice" "bob")))
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(group-entry
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(name "hackers") (gid 65000)
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(members '("alice" "charlie"))))
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port))))
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(test-equal "read-group + write-group"
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%group-sample
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(call-with-output-string
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(lambda (port)
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(write-group (call-with-input-string %group-sample
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read-group)
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port))))
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(test-equal "write-shadow"
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%shadow-sample
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(call-with-output-string
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(lambda (port)
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(write-shadow (list (shadow-entry
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(name "root")
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(password (crypt "secret" "$6$abc"))
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(last-change 17169))
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(shadow-entry
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(name "charlie")
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(password (crypt "hey!" "$6$abc"))
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(last-change 17169))
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(shadow-entry
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(name "nobody")))
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port))))
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(test-equal "read-shadow + write-shadow"
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%shadow-sample
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(call-with-output-string
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(lambda (port)
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(write-shadow (call-with-input-string %shadow-sample
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read-shadow)
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port))))
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(define allocate-groups (@@ (gnu build accounts) allocate-groups))
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(define allocate-passwd (@@ (gnu build accounts) allocate-passwd))
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(test-equal "allocate-groups"
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;; Allocate GIDs in a stateless fashion.
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(list (group-entry (name "s") (gid %system-id-max))
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(group-entry (name "x") (gid 900))
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(group-entry (name "t") (gid 899))
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(group-entry (name "a") (gid %id-min) (password "foo")
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(members '("alice" "bob")))
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(group-entry (name "b") (gid (+ %id-min 1))
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(members '("charlie"))))
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(allocate-groups (list (user-group (name "s") (system? #t))
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(user-group (name "x") (id 900))
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(user-group (name "t") (system? #t))
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(user-group (name "a") (password "foo"))
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(user-group (name "b")))
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(alist->vhash `(("a" . "bob")
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("a" . "alice")
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("b" . "charlie")))))
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(test-equal "allocate-groups with requested GIDs"
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;; Make sure the requested GID for "b" is honored.
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(list (group-entry (name "a") (gid (+ 1 %id-min)))
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(group-entry (name "b") (gid %id-min))
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(group-entry (name "c") (gid (+ 2 %id-min))))
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(allocate-groups (list (user-group (name "a"))
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(user-group (name "b") (id %id-min))
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(user-group (name "c")))
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vlist-null))
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(test-equal "allocate-groups with previous state"
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;; Make sure bits of state are preserved: password, GID, no reuse of
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;; previously-used GIDs.
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(list (group-entry (name "s") (gid (- %system-id-max 1)))
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(group-entry (name "t") (gid (- %system-id-max 2)))
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(group-entry (name "a") (gid 30000) (password #f)
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(members '("alice" "bob")))
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(group-entry (name "b") (gid 30001) (password "bar")
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(members '("charlie"))))
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(allocate-groups (list (user-group (name "s") (system? #t))
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(user-group (name "t") (system? #t))
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(user-group (name "a") (password "foo"))
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(user-group (name "b")))
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(alist->vhash `(("a" . "bob")
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("a" . "alice")
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("b" . "charlie")))
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(list (group-entry (name "a") (gid 30000))
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(group-entry (name "b") (gid 30001)
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(password "bar"))
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(group-entry (name "removed")
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(gid %system-id-max)))))
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(test-equal "allocate-groups with previous state, looping"
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;; Check that allocation starts after the highest previously-used GID, and
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;; loops back to the lowest GID.
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(list (group-entry (name "a") (gid (- %id-max 1)))
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(group-entry (name "b") (gid %id-min))
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(group-entry (name "c") (gid (+ 1 %id-min))))
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(allocate-groups (list (user-group (name "a"))
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(user-group (name "b"))
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(user-group (name "c")))
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vlist-null
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(list (group-entry (name "d")
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(gid (- %id-max 2))))))
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(test-equal "allocate-passwd"
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;; Allocate UIDs in a stateless fashion.
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(list (password-entry (name "alice") (uid %id-min) (gid 1000)
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(real-name "Alice") (shell "/bin/sh")
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(directory "/home/alice"))
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(password-entry (name "bob") (uid (+ 1 %id-min)) (gid 1001)
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(real-name "Bob") (shell "/bin/gash")
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(directory "/home/bob"))
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(password-entry (name "sshd") (uid %system-id-max) (gid 500)
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(real-name "sshd") (shell "/nologin")
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(directory "/var/empty"))
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(password-entry (name "guix") (uid 30000) (gid 499)
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(real-name "Guix") (shell "/nologin")
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(directory "/var/empty")))
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(allocate-passwd (list (user-account (name "alice")
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(comment "Alice")
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(shell "/bin/sh")
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(group "users"))
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(user-account (name "bob")
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(comment "Bob")
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(shell "/bin/gash")
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(group "wheel"))
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(user-account (name "sshd") (system? #t)
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(comment "sshd")
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(home-directory "/var/empty")
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(shell "/nologin")
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(group "sshd"))
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(user-account (name "guix") (system? #t)
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(comment "Guix")
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(home-directory "/var/empty")
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(shell "/nologin")
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(group "guix")
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(uid 30000)))
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(list (group-entry (name "users") (gid 1000))
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(group-entry (name "wheel") (gid 1001))
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(group-entry (name "sshd") (gid 500))
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(group-entry (name "guix") (gid 499)))))
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(test-equal "allocate-passwd with previous state"
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;; Make sure bits of state are preserved: UID, no reuse of previously-used
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;; UIDs, and shell.
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(list (password-entry (name "alice") (uid 1234) (gid 1000)
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(real-name "Alice Smith") (shell "/bin/sh")
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(directory "/home/alice"))
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(password-entry (name "charlie") (uid 1236) (gid 1000)
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(real-name "Charlie") (shell "/bin/sh")
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(directory "/home/charlie")))
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(allocate-passwd (list (user-account (name "alice")
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(comment "Alice")
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(shell "/bin/sh") ;honored
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(group "users"))
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(user-account (name "charlie")
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(comment "Charlie")
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(shell "/bin/sh")
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(group "users")))
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(list (group-entry (name "users") (gid 1000)))
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(list (password-entry (name "alice") (uid 1234) (gid 9999)
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(real-name "Alice Smith")
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(shell "/gnu/.../bin/gash") ;ignored
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(directory "/home/alice"))
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(password-entry (name "bob") (uid 1235) (gid 1001)
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(real-name "Bob") (shell "/bin/sh")
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(directory "/home/bob")))))
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(test-equal "user+group-databases"
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;; The whole shebang.
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(list (list (group-entry (name "a") (gid %id-min)
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(members '("bob")))
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(group-entry (name "b") (gid (+ 1 %id-min))
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(members '("alice")))
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(group-entry (name "s") (gid %system-id-max)))
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(list (password-entry (name "alice") (real-name "Alice")
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(uid %id-min) (gid %id-min)
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(directory "/a"))
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(password-entry (name "bob") (real-name "Bob")
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(uid (+ 1 %id-min)) (gid (+ 1 %id-min))
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(directory "/b"))
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(password-entry (name "nobody")
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(uid 65534) (gid %system-id-max)
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(directory "/var/empty")))
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(list (shadow-entry (name "alice") (last-change 100)
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(password (crypt "initial pass" "$6$")))
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(shadow-entry (name "bob") (last-change 50)
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(password (crypt "foo" "$6$")))
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(shadow-entry (name "nobody") (last-change 100))))
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(call-with-values
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(lambda ()
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(user+group-databases (list (user-account
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(name "alice")
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(comment "Alice")
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(home-directory "/a")
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(group "a")
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(supplementary-groups '("b"))
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(password (crypt "initial pass" "$6$")))
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(user-account
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(name "bob")
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(comment "Bob")
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(home-directory "/b")
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(group "b")
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(supplementary-groups '("a")))
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(user-account
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(name "nobody")
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(group "s")
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(uid 65534)
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(home-directory "/var/empty")))
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(list (user-group (name "a"))
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(user-group (name "b"))
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(user-group (name "s") (system? #t)))
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#:current-passwd '()
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#:current-shadow
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(list (shadow-entry (name "bob")
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(password (crypt "foo" "$6$"))
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(last-change 50)))
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#:current-groups '()
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#:current-time
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(lambda (type)
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(make-time type 0 (* 24 3600 100)))))
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list))
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(test-end "accounts")
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