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networkmanager service: support changing the mac-address (#23464)

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Set `networking.networkmanager.wifi.macAddress` or `networking.networkmanager.ethernet.macAddress`
to one of these values to change your macAddress.

* "XX:XX:XX:XX:XX:XX": set the MAC address of the interface.
* "permanent": use the permanent MAC address of the device.
* "preserve": don’t change the MAC address of the device upon activation.
* "random": generate a randomized value upon each connect.
* "stable": generate a stable, hashed MAC address.

See https://blogs.gnome.org/thaller/2016/08/26/mac-address-spoofing-in-networkmanager-1-4-0/ for more information
This commit is contained in:
Tom 2017-03-07 03:50:37 +01:00 committed by Joachim F
parent 2d0991580c
commit 9a7bad2c17
1 changed files with 19 additions and 0 deletions
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19
nixos/modules/services/networking/networkmanager.nix
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@ -24,6 +24,8 @@ let
[connection] [connection]
ipv6.ip6-privacy=2 ipv6.ip6-privacy=2
ethernet.cloned-mac-address=${cfg.ethernet.macAddress}
wifi.cloned-mac-address=${cfg.wifi.macAddress}
''; '';
/* /*
@ -73,6 +75,19 @@ let
"pre-down" = "pre-down.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>: don’t 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 { in {
###### interface ###### interface
@ -140,6 +155,9 @@ in {
''; '';
}; };
ethernet.macAddress = macAddressOpt;
wifi.macAddress = macAddressOpt;
dispatcherScripts = mkOption { dispatcherScripts = mkOption {
type = types.listOf (types.submodule { type = types.listOf (types.submodule {
options = { options = {
@ -229,6 +247,7 @@ in {
systemd.services."network-manager" = { systemd.services."network-manager" = {
wantedBy = [ "network.target" ]; wantedBy = [ "network.target" ];
restartTriggers = [ configFile ];
preStart = '' preStart = ''
mkdir -m 700 -p /etc/NetworkManager/system-connections mkdir -m 700 -p /etc/NetworkManager/system-connections