nixpkgs/nixos/modules/services/networking/networkmanager.nix
2018-06-18 22:21:27 +08:00

372 lines
12 KiB
Nix
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

{ config, lib, pkgs, ... }:
with pkgs;
with lib;
let
cfg = config.networking.networkmanager;
# /var/lib/misc is for dnsmasq.leases.
stateDirs = "/var/lib/NetworkManager /var/lib/dhclient /var/lib/misc";
dns =
if cfg.dns == "none" then "none"
else if cfg.dns == "dnsmasq" then "dnsmasq"
else if config.services.resolved.enable then "systemd-resolved"
else if config.services.unbound.enable then "unbound"
else "default";
configFile = writeText "NetworkManager.conf" ''
[main]
plugins=keyfile
dhcp=${cfg.dhcp}
dns=${dns}
[keyfile]
${optionalString (cfg.unmanaged != [])
''unmanaged-devices=${lib.concatStringsSep ";" cfg.unmanaged}''}
[logging]
level=${cfg.logLevel}
[connection]
ipv6.ip6-privacy=2
ethernet.cloned-mac-address=${cfg.ethernet.macAddress}
wifi.cloned-mac-address=${cfg.wifi.macAddress}
${optionalString (cfg.wifi.powersave != null)
''wifi.powersave=${if cfg.wifi.powersave then "3" else "2"}''}
[device]
wifi.scan-rand-mac-address=${if cfg.wifi.scanRandMacAddress then "yes" else "no"}
${cfg.extraConfig}
'';
/*
[network-manager]
Identity=unix-group:networkmanager
Action=org.freedesktop.NetworkManager.*
ResultAny=yes
ResultInactive=no
ResultActive=yes
[modem-manager]
Identity=unix-group:networkmanager
Action=org.freedesktop.ModemManager*
ResultAny=yes
ResultInactive=no
ResultActive=yes
*/
polkitConf = ''
polkit.addRule(function(action, subject) {
if (
subject.isInGroup("networkmanager")
&& (action.id.indexOf("org.freedesktop.NetworkManager.") == 0
|| action.id.indexOf("org.freedesktop.ModemManager") == 0
))
{ return polkit.Result.YES; }
});
'';
ns = xs: writeText "nameservers" (
concatStrings (map (s: "nameserver ${s}\n") xs)
);
overrideNameserversScript = writeScript "02overridedns" ''
#!/bin/sh
tmp=`${coreutils}/bin/mktemp`
${gnused}/bin/sed '/nameserver /d' /etc/resolv.conf > $tmp
${gnugrep}/bin/grep 'nameserver ' /etc/resolv.conf | \
${gnugrep}/bin/grep -vf ${ns (cfg.appendNameservers ++ cfg.insertNameservers)} > $tmp.ns
${optionalString (cfg.appendNameservers != []) "${coreutils}/bin/cat $tmp $tmp.ns ${ns cfg.appendNameservers} > /etc/resolv.conf"}
${optionalString (cfg.insertNameservers != []) "${coreutils}/bin/cat $tmp ${ns cfg.insertNameservers} $tmp.ns > /etc/resolv.conf"}
${coreutils}/bin/rm -f $tmp $tmp.ns
'';
dispatcherTypesSubdirMap = {
"basic" = "";
"pre-up" = "pre-up.d/";
"pre-down" = "pre-down.d/";
};
macAddressOpt = mkOption {
type = types.either types.str (types.enum ["permanent" "preserve" "random" "stable"]);
default = "preserve";
example = "00:11:22:33:44:55";
description = ''
"XX:XX:XX:XX:XX:XX": MAC address of the interface.
<literal>permanent</literal>: use the permanent MAC address of the device.
<literal>preserve</literal>: dont change the MAC address of the device upon activation.
<literal>random</literal>: generate a randomized value upon each connect.
<literal>stable</literal>: generate a stable, hashed MAC address.
'';
};
in {
###### interface
options = {
networking.networkmanager = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to use NetworkManager to obtain an IP address and other
configuration for all network interfaces that are not manually
configured. If enabled, a group <literal>networkmanager</literal>
will be created. Add all users that should have permission
to change network settings to this group.
'';
};
extraConfig = mkOption {
type = types.lines;
default = "";
description = ''
Configuration appended to the generated NetworkManager.conf.
'';
};
unmanaged = mkOption {
type = types.listOf types.string;
default = [];
description = ''
List of interfaces that will not be managed by NetworkManager.
Interface name can be specified here, but if you need more fidelity
see "Device List Format" in NetworkManager.conf man page.
'';
};
# Ugly hack for using the correct gnome3 packageSet
basePackages = mkOption {
type = types.attrsOf types.package;
default = { inherit networkmanager modemmanager wpa_supplicant
networkmanager-openvpn networkmanager-vpnc
networkmanager-openconnect networkmanager-fortisslvpn
networkmanager-l2tp networkmanager-iodine; };
internal = true;
};
packages = mkOption {
type = types.listOf types.path;
default = [ ];
description = ''
Extra packages that provide NetworkManager plugins.
'';
apply = list: (attrValues cfg.basePackages) ++ list;
};
dhcp = mkOption {
type = types.enum [ "dhclient" "dhcpcd" "internal" ];
default = "dhclient";
description = ''
Which program (or internal library) should be used for DHCP.
'';
};
logLevel = mkOption {
type = types.enum [ "OFF" "ERR" "WARN" "INFO" "DEBUG" "TRACE" ];
default = "WARN";
description = ''
Set the default logging verbosity level.
'';
};
appendNameservers = mkOption {
type = types.listOf types.str;
default = [];
description = ''
A list of name servers that should be appended
to the ones configured in NetworkManager or received by DHCP.
'';
};
insertNameservers = mkOption {
type = types.listOf types.str;
default = [];
description = ''
A list of name servers that should be inserted before
the ones configured in NetworkManager or received by DHCP.
'';
};
ethernet.macAddress = macAddressOpt;
wifi = {
macAddress = macAddressOpt;
powersave = mkOption {
type = types.nullOr types.bool;
default = null;
description = ''
Whether to enable Wi-Fi power saving.
'';
};
scanRandMacAddress = mkOption {
type = types.bool;
default = true;
description = ''
Whether to enable MAC address randomization of a Wi-Fi device
during scanning.
'';
};
};
dns = mkOption {
type = types.enum [ "auto" "dnsmasq" "none" ];
default = "auto";
description = ''
Options:
- auto: Check for systemd-resolved, unbound, or use default.
- dnsmasq:
Enable NetworkManager's dnsmasq integration. NetworkManager will run
dnsmasq as a local caching nameserver, using a "split DNS"
configuration if you are connected to a VPN, and then update
resolv.conf to point to the local nameserver.
- none:
Disable NetworkManager's DNS integration completely.
It will not touch your /etc/resolv.conf.
'';
};
dispatcherScripts = mkOption {
type = types.listOf (types.submodule {
options = {
source = mkOption {
type = types.path;
description = ''
A script.
'';
};
type = mkOption {
type = types.enum (attrNames dispatcherTypesSubdirMap);
default = "basic";
description = ''
Dispatcher hook type. Only basic hooks are currently available.
'';
};
};
});
default = [];
description = ''
A list of scripts which will be executed in response to network events.
'';
};
enableStrongSwan = mkOption {
type = types.bool;
default = false;
description = ''
Enable the StrongSwan plugin.
</para><para>
If you enable this option the
<literal>networkmanager_strongswan</literal> plugin will be added to
the <option>networking.networkmanager.packages</option> option
so you don't need to to that yourself.
'';
};
};
};
###### implementation
config = mkIf cfg.enable {
assertions = [{
assertion = config.networking.wireless.enable == false;
message = "You can not use networking.networkmanager with networking.wireless";
}];
environment.etc = with cfg.basePackages; [
{ source = configFile;
target = "NetworkManager/NetworkManager.conf";
}
{ source = "${networkmanager-openvpn}/etc/NetworkManager/VPN/nm-openvpn-service.name";
target = "NetworkManager/VPN/nm-openvpn-service.name";
}
{ source = "${networkmanager-vpnc}/etc/NetworkManager/VPN/nm-vpnc-service.name";
target = "NetworkManager/VPN/nm-vpnc-service.name";
}
{ source = "${networkmanager-openconnect}/etc/NetworkManager/VPN/nm-openconnect-service.name";
target = "NetworkManager/VPN/nm-openconnect-service.name";
}
{ source = "${networkmanager-fortisslvpn}/etc/NetworkManager/VPN/nm-fortisslvpn-service.name";
target = "NetworkManager/VPN/nm-fortisslvpn-service.name";
}
{ source = "${networkmanager-l2tp}/etc/NetworkManager/VPN/nm-l2tp-service.name";
target = "NetworkManager/VPN/nm-l2tp-service.name";
}
{ source = "${networkmanager_strongswan}/etc/NetworkManager/VPN/nm-strongswan-service.name";
target = "NetworkManager/VPN/nm-strongswan-service.name";
}
{ source = "${networkmanager-iodine}/etc/NetworkManager/VPN/nm-iodine-service.name";
target = "NetworkManager/VPN/nm-iodine-service.name";
}
] ++ optional (cfg.appendNameservers == [] || cfg.insertNameservers == [])
{ source = overrideNameserversScript;
target = "NetworkManager/dispatcher.d/02overridedns";
}
++ lib.imap1 (i: s: {
inherit (s) source;
target = "NetworkManager/dispatcher.d/${dispatcherTypesSubdirMap.${s.type}}03userscript${lib.fixedWidthNumber 4 i}";
}) cfg.dispatcherScripts;
environment.systemPackages = cfg.packages;
users.extraGroups = [{
name = "networkmanager";
gid = config.ids.gids.networkmanager;
}
{
name = "nm-openvpn";
gid = config.ids.gids.nm-openvpn;
}];
users.extraUsers = [{
name = "nm-openvpn";
uid = config.ids.uids.nm-openvpn;
extraGroups = [ "networkmanager" ];
}
{
name = "nm-iodine";
isSystemUser = true;
group = "networkmanager";
}];
systemd.packages = cfg.packages;
systemd.services."network-manager" = {
wantedBy = [ "network.target" ];
restartTriggers = [ configFile ];
preStart = ''
mkdir -m 700 -p /etc/NetworkManager/system-connections
mkdir -m 700 -p /etc/ipsec.d
mkdir -m 755 -p ${stateDirs}
'';
};
# Turn off NixOS' network management
networking = {
useDHCP = false;
# use mkDefault to trigger the assertion about the conflict above
wireless.enable = lib.mkDefault false;
};
security.polkit.extraConfig = polkitConf;
networking.networkmanager.packages =
mkIf cfg.enableStrongSwan [ pkgs.networkmanager_strongswan ];
services.dbus.packages =
optional cfg.enableStrongSwan pkgs.strongswanNM ++ cfg.packages;
services.udev.packages = cfg.packages;
};
}