forked from mirrors/nixpkgs
61 lines
1.6 KiB
Nix
61 lines
1.6 KiB
Nix
# Configuration for the Name Service Switch (/etc/nsswitch.conf).
|
|
|
|
{ config, pkgs, ... }:
|
|
|
|
with pkgs.lib;
|
|
|
|
let
|
|
|
|
options = {
|
|
|
|
# NSS modules. Hacky!
|
|
system.nssModules = mkOption {
|
|
internal = true;
|
|
default = [];
|
|
description = "
|
|
Search path for NSS (Name Service Switch) modules. This allows
|
|
several DNS resolution methods to be specified via
|
|
<filename>/etc/nsswitch.conf</filename>.
|
|
";
|
|
merge = mergeListOption;
|
|
apply = list:
|
|
{
|
|
inherit list;
|
|
path = makeLibraryPath list;
|
|
};
|
|
};
|
|
|
|
};
|
|
|
|
inherit (config.services.avahi) nssmdns;
|
|
|
|
in
|
|
|
|
{
|
|
require = [ options ];
|
|
|
|
environment.etc =
|
|
[ # Name Service Switch configuration file. Required by the C library.
|
|
# !!! Factor out the mdns stuff. The avahi module should define
|
|
# an option used by this module.
|
|
{ source = pkgs.writeText "nsswitch.conf"
|
|
''
|
|
passwd: files ldap
|
|
group: files ldap
|
|
shadow: files ldap
|
|
hosts: files ${optionalString nssmdns "mdns_minimal [NOTFOUND=return]"} dns ${optionalString nssmdns "mdns"} myhostname
|
|
networks: files dns
|
|
ethers: files
|
|
services: files
|
|
protocols: files
|
|
'';
|
|
target = "nsswitch.conf";
|
|
}
|
|
];
|
|
|
|
# Use nss-myhostname to ensure that our hostname always resolves to
|
|
# a valid IP address. It returns all locally configured IP
|
|
# addresses, or ::1 and 127.0.0.2 as fallbacks.
|
|
system.nssModules = [ pkgs.nss_myhostname ];
|
|
}
|