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Merge pull request #125288 from rnhmjoj/wpa-race-fix

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nixos/wireless: make wireless.interfaces mandatory
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Michele Guerini Rocco 2021-06-06 10:35:15 +02:00 committed by GitHub
commit 78d9a75d9e
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2 changed files with 19 additions and 17 deletions
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9
nixos/doc/manual/release-notes/rl-2105.xml
View file

@ -181,6 +181,15 @@
<para>GNOME desktop environment was upgraded to 40, see the release notes for <link xlink:href="https://help.gnome.org/misc/release-notes/40.0/">40.0</link> and <link xlink:href="https://help.gnome.org/misc/release-notes/3.38/">3.38</link>. The <code>gnome3</code> attribute set has been renamed to <code>gnome</code> and so have been the NixOS options.</para>
</listitem>
<listitem>
<para>
Enabling wireless networking now requires specifying at least one network
interface using <xref linkend="opt-networking.wireless.interfaces"/>.
This is to avoid a race condition with the card initialisation (see
<link xlink:href="https://github.com/NixOS/nixpkgs/issues/101963">issue
#101963</link> for more information).
</para>
</listitem>
<listitem>
<para>
If you are using <option>services.udev.extraRules</option> to assign

27
nixos/modules/services/networking/wpa_supplicant.nix
View file

@ -40,8 +40,7 @@ in {
default = [];
example = [ "wlan0" "wlan1" ];
description = ''
The interfaces <command>wpa_supplicant</command> will use. If empty, it will
automatically use all wireless interfaces.
The interfaces <command>wpa_supplicant</command> will use.
'';
};
@ -220,7 +219,14 @@ in {
};
config = mkIf cfg.enable {
assertions = flip mapAttrsToList cfg.networks (name: cfg: {
assertions = [
{ assertion = cfg.interfaces != [];
message = ''
No network interfaces for wpa_supplicant have been configured.
Please, specify at least one using networking.wireless.interfaces.
'';
}
] ++ flip mapAttrsToList cfg.networks (name: cfg: {
assertion = with cfg; count (x: x != null) [ psk pskRaw auth ] <= 1;
message = ''options networking.wireless."${name}".{psk,pskRaw,auth} are mutually exclusive'';
});
@ -255,20 +261,7 @@ in {
then echo >&2 "<3>/etc/wpa_supplicant.conf present but ignored. Generated ${configFile} is used instead."
fi
iface_args="-s -u -D${cfg.driver} ${configStr}"
${if ifaces == [] then ''
for i in $(cd /sys/class/net && echo *); do
DEVTYPE=
UEVENT_PATH=/sys/class/net/$i/uevent
if [ -e "$UEVENT_PATH" ]; then
source "$UEVENT_PATH"
if [ "$DEVTYPE" = "wlan" -o -e /sys/class/net/$i/wireless ]; then
args+="''${args:+ -N} -i$i $iface_args"
fi
fi
done
'' else ''
args="${concatMapStringsSep " -N " (i: "-i${i} $iface_args") ifaces}"
''}
args="${concatMapStringsSep " -N " (i: "-i${i} $iface_args") ifaces}"
exec wpa_supplicant $args
'';
};