diff options
-rw-r--r-- | doc/guix.texi | 5 | ||||
-rw-r--r-- | gnu/build/accounts.scm | 8 | ||||
-rw-r--r-- | gnu/system.scm | 8 | ||||
-rw-r--r-- | gnu/system/pam.scm | 4 |
4 files changed, 20 insertions, 5 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index ebfcfee7f7..354eead02b 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -15387,6 +15387,11 @@ account is created. @item @code{comment} (default: @code{""}) A comment about the account, such as the account owner's full name. +Note that, for non-system accounts, users are free to change their real +name as it appears in @file{/etc/passwd} using the @command{chfn} +command. When they do, their choice prevails over the system +administrator's choice; reconfiguring does @emph{not} change their name. + @item @code{home-directory} This is the name of the home directory for the account. diff --git a/gnu/build/accounts.scm b/gnu/build/accounts.scm index f60d68d9b3..1247fc640c 100644 --- a/gnu/build/accounts.scm +++ b/gnu/build/accounts.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2019, 2021 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -490,7 +490,11 @@ new UIDs." (uid id) (directory directory) (gid (if (number? group) group (group-id group))) - (real-name (if previous + + ;; Users might change their name to something + ;; other than what the sysadmin chose, with + ;; 'chfn'. Thus consider it "stateful". + (real-name (if (and previous (not system?)) (password-entry-real-name previous) real-name)) diff --git a/gnu/system.scm b/gnu/system.scm index 088c62ddde..cc925de16f 100644 --- a/gnu/system.scm +++ b/gnu/system.scm @@ -913,7 +913,12 @@ the /etc directory." "/run/current-system/profile/sbin\n" "ENV_SUPATH /run/setuid-programs:" "/run/current-system/profile/bin:" - "/run/current-system/profile/sbin\n"))) + "/run/current-system/profile/sbin\n" + + "\n" + "# Allow 'chfn' to change the full name,\n" + "# room number, and so on.\n" + "CHFN_RESTRICT frwh\n"))) (hurd (operating-system-hurd os)) (issue (plain-file "issue" (operating-system-issue os))) @@ -1158,6 +1163,7 @@ deprecated; use 'setuid-program' instead~%")) (let ((shadow (@ (gnu packages admin) shadow))) (map file-like->setuid-program (list (file-append shadow "/bin/passwd") + (file-append shadow "/bin/chfn") (file-append shadow "/bin/sg") (file-append shadow "/bin/su") (file-append shadow "/bin/newgrp") diff --git a/gnu/system/pam.scm b/gnu/system/pam.scm index a31daada59..2574e019f1 100644 --- a/gnu/system/pam.scm +++ b/gnu/system/pam.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2019, 2020 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2013-2017, 2019-2021 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -285,7 +285,7 @@ authenticate to run COMMAND." ;; These programs are setuid-root. (map (cut unix-pam-service <> #:allow-empty-passwords? allow-empty-passwords?) - '("passwd" "sudo")) + '("passwd" "chfn" "sudo")) ;; This is setuid-root, as well. Allow root to run "su" without ;; authenticating. (list (unix-pam-service "su" |