2009-05-28 12:24:56 +00:00
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# Configuration for the pwdutils suite of tools: passwd, useradd, etc.
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{config, pkgs, ...}:
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let
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2010-06-02 21:16:27 +00:00
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loginDefs =
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''
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DEFAULT_HOME yes
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SYS_UID_MIN 100
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SYS_UID_MAX 499
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UID_MIN 1000
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UID_MAX 29999
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SYS_GID_MIN 100
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SYS_GID_MAX 499
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GID_MIN 1000
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GID_MAX 29999
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TTYGROUP tty
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TTYPERM 0620
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2012-07-13 14:41:48 +00:00
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# Ensure privacy for newly created home directories.
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UMASK 077
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2010-06-02 21:16:27 +00:00
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# Uncomment this to allow non-root users to change their account
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#information. This should be made configurable.
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#CHFN_RESTRICT frwh
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'';
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2010-06-02 21:10:48 +00:00
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in
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{
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###### interface
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2011-09-14 18:20:50 +00:00
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2009-05-28 12:24:56 +00:00
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options = {
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users.defaultUserShell = pkgs.lib.mkOption {
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2012-07-16 15:27:59 +00:00
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default = "/run/current-system/sw/bin/bash";
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2009-05-28 12:24:56 +00:00
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description = ''
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2012-06-06 15:23:20 +00:00
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This option defines the default shell assigned to user
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2009-05-28 12:24:56 +00:00
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accounts. This must not be a store path, since the path is
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used outside the store (in particular in /etc/passwd).
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Rather, it should be the path of a symlink that points to the
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actual shell in the Nix store.
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'';
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};
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2011-09-14 18:20:50 +00:00
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2009-05-28 12:24:56 +00:00
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};
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2011-09-14 18:20:50 +00:00
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2010-06-02 21:10:48 +00:00
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###### implementation
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2009-05-28 12:24:56 +00:00
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2010-06-02 21:10:48 +00:00
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config = {
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environment.systemPackages = [ pkgs.shadow ];
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environment.etc =
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[ { # /etc/login.defs: global configuration for pwdutils. You
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2011-09-14 18:20:50 +00:00
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# cannot login without it!
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2010-06-02 21:16:27 +00:00
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source = pkgs.writeText "login.defs" loginDefs;
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2010-06-02 21:10:48 +00:00
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target = "login.defs";
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2011-09-14 18:20:50 +00:00
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}
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2010-06-02 21:10:48 +00:00
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{ # /etc/default/useradd: configuration for useradd.
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source = pkgs.writeText "useradd"
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''
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GROUP=100
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HOME=/home
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SHELL=${config.users.defaultUserShell}
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'';
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target = "default/useradd";
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}
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];
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security.pam.services =
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[ { name = "chsh"; rootOK = true; }
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{ name = "chfn"; rootOK = true; }
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2011-08-15 14:48:32 +00:00
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{ name = "su"; rootOK = true; forwardXAuth = true; }
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2010-06-02 21:10:48 +00:00
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{ name = "passwd"; }
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# Note: useradd, groupadd etc. aren't setuid root, so it
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# doesn't really matter what the PAM config says as long as it
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# lets root in.
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{ name = "useradd"; rootOK = true; }
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{ name = "usermod"; rootOK = true; }
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{ name = "userdel"; rootOK = true; }
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{ name = "groupadd"; rootOK = true; }
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2011-09-14 18:20:50 +00:00
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{ name = "groupmod"; rootOK = true; }
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2010-06-02 21:10:48 +00:00
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{ name = "groupmems"; rootOK = true; }
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{ name = "groupdel"; rootOK = true; }
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2012-08-17 17:48:22 +00:00
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{ name = "login"; startSession = true; allowNullPassword = true; }
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2010-06-02 21:10:48 +00:00
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];
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2011-09-14 18:20:50 +00:00
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2012-07-26 14:49:55 +00:00
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security.setuidPrograms = [ "passwd" "chfn" "su" "newgrp" ];
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2011-09-14 18:20:50 +00:00
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2010-06-02 21:10:48 +00:00
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};
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2011-09-14 18:20:50 +00:00
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2009-05-28 12:24:56 +00:00
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}
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