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|
{
lib,
config,
pkgs,
...
}:
let
cfg = config.security.account-utils;
format = pkgs.formats.ini { };
in
{
options.security.account-utils = {
enable = lib.mkEnableOption "the account-utils implementation of Unix user authentication and management";
package = lib.mkPackageOption pkgs "account-utils" { };
extraArgs = lib.mkOption {
type = lib.types.listOf lib.types.nonEmptyStr;
default = [ ];
example = [
"--debug"
"-v"
];
description = ''
List of arguments to pass to the socket activated service executables.
::: {.note}
This is passed to both pwupdd and pwaccessd, which support identical flags.
:::
'';
};
pwaccessd.settings = lib.mkOption {
description = ''
Options for pwaccessd.
See {manpage}`pwaccessd.conf(5)` for available options.
'';
type = lib.types.submodule {
freeformType = format.type;
};
default = { };
};
};
config = lib.mkIf cfg.enable {
# use account-utils reimplementation of pam_unix
security.pam = {
pam_unixModulePath = "${cfg.package}/lib/security/pam_unix_ng.so";
enableLegacySettings = false;
};
systemd = {
packages = [ cfg.package ];
sockets.pwaccessd.wantedBy = [ "sockets.target" ];
sockets.pwupdd.wantedBy = lib.optional config.users.mutableUsers "sockets.target"; # immutable users do not need password updating
sockets.newidmapd.wantedBy = [ "sockets.target" ];
services."pwupdd@".environment.PWUPDD_OPTS = lib.escapeShellArgs cfg.extraArgs;
services."pwaccessd".environment.PWACCESSD_OPTS = lib.escapeShellArgs cfg.extraArgs;
};
environment.systemPackages = [ cfg.package ];
environment.etc."account-utils/pwaccessd.conf".source =
format.generate "pwaccessd.conf" cfg.pwaccessd.settings;
security.pam.services = {
pwupd-passwd = { };
pwupd-chsh = { };
pwupd-chfn = { };
};
# covered by account-utils via socket-activated service
security.wrappers = {
# shadow suid binaries are no longer necessary, but disabling the entire shadow module is too intrusive
newuidmap.enable = false;
newgidmap.enable = false;
chsh.enable = false;
passwd.enable = false;
unix_chkpwd.enable = false; # Not necessary when using pam_unix_ng.so
};
};
}
|
