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|
{ config, pkgs, ... }:
with pkgs.lib;
with pkgs;
let
cfg = config.networking.networkmanager;
stateDirs = "/var/lib/NetworkManager /var/lib/dhclient";
configFile = writeText "NetworkManager.conf" ''
[main]
plugins=keyfile
[keyfile]
${optionalString (config.networking.hostName != "") ''
hostname=${config.networking.hostName}
''}
[logging]
level=WARN
'';
polkitConf = ''
[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
'';
ipUpScript = writeScript "01nixos-ip-up" ''
#!/bin/sh
if test "$2" = "up"; then
${config.systemd.package}/bin/systemctl start ip-up.target
fi
'';
overrideNameserversScript = writeScript "02overridedns" ''
#!/bin/sh
${optionalString cfg.overrideNameservers "${gnused}/bin/sed -i '/nameserver /d' /etc/resolv.conf"}
${concatStrings (map (s: ''
${optionalString cfg.appendNameservers
"${gnused}/bin/sed -i '/nameserver ${s}/d' /etc/resolv.conf"
}
echo 'nameserver ${s}' >> /etc/resolv.conf
'') config.networking.nameservers)}
'';
in {
###### interface
options = {
networking.networkmanager = {
enable = mkOption {
default = false;
merge = mergeEnableOption;
description = ''
Whether to use NetworkManager to obtain an IP address and other
configuration for all network interfaces that are not manually
configured. If enabled, a group <literal>networkmanager</literal>
will be created. Add all users that should have permission
to change network settings to this group.
'';
};
packages = mkOption {
default = [ ];
description = ''
Extra packages that provide NetworkManager plugins.
'';
merge = mergeListOption;
apply = list: [ networkmanager modemmanager wpa_supplicant ] ++ list;
};
overrideNameservers = mkOption {
default = false;
description = ''
If enabled, any nameservers received by DHCP or configured in
NetworkManager will be replaced by the nameservers configured
in the <literal>networking.nameservers</literal> option. This
option overrides the <literal>appendNameservers</literal> option
if both are enabled.
'';
};
appendNameservers = mkOption {
default = false;
description = ''
If enabled, the name servers configured in the
<literal>networking.nameservers</literal> option will be appended
to the ones configured in NetworkManager or received by DHCP.
'';
};
};
};
###### implementation
config = mkIf cfg.enable {
assertions = [{
assertion = config.networking.wireless.enable == false;
message = "You can not use networking.networkmanager with services.networking.wireless";
}];
environment.etc = [
{ source = ipUpScript;
target = "NetworkManager/dispatcher.d/01nixos-ip-up";
}
{ source = configFile;
target = "NetworkManager/NetworkManager.conf";
}
{ source = "${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";
}
] ++ pkgs.lib.optional (cfg.overrideNameservers || cfg.appendNameservers)
{ source = overrideNameserversScript;
target = "NetworkManager/dispatcher.d/02overridedns";
};
environment.systemPackages = cfg.packages ++ [
networkmanager_openvpn
networkmanager_vpnc
networkmanager_openconnect
];
users.extraGroups = singleton {
name = "networkmanager";
gid = config.ids.gids.networkmanager;
};
systemd.packages = cfg.packages;
# Create an initialisation service that both starts
# NetworkManager when network.target is reached,
# and sets up necessary directories for NM.
systemd.services."networkmanager-init" = {
description = "NetworkManager initialisation";
wantedBy = [ "network.target" ];
partOf = [ "NetworkManager.service" ];
wants = [ "NetworkManager.service" ];
before = [ "NetworkManager.service" ];
script = ''
mkdir -m 700 -p /etc/NetworkManager/system-connections
mkdir -m 755 -p ${stateDirs}
'';
serviceConfig = {
Type = "oneshot";
};
};
# Turn off NixOS' network management
networking = {
useDHCP = false;
wireless.enable = false;
};
powerManagement.resumeCommands = ''
systemctl restart NetworkManager
'';
security.polkit.permissions = polkitConf;
# openvpn plugin has only dbus interface
services.dbus.packages = cfg.packages ++ [
networkmanager_openvpn
networkmanager_vpnc
networkmanager_openconnect
];
services.udev.packages = cfg.packages;
};
}
|