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nixos/avahi: add denyInterfaces option

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Jared Baur 2022-05-19 19:56:35 -07:00
parent 246e2960b4
commit ea0dc2c5eb
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1 changed files with 27 additions and 9 deletions
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36
nixos/modules/services/networking/avahi-daemon.nix
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@ -5,7 +5,7 @@ with lib;
let
cfg = config.services.avahi;
yesNo = yes : if yes then "yes" else "no";
yesNo = yes: if yes then "yes" else "no";
avahiDaemonConf = with cfg; pkgs.writeText "avahi-daemon.conf" ''
[server]
@ -17,7 +17,8 @@ let
browse-domains=${concatStringsSep ", " browseDomains}
use-ipv4=${yesNo ipv4}
use-ipv6=${yesNo ipv6}
${optionalString (interfaces!=null) "allow-interfaces=${concatStringsSep "," interfaces}"}
${optionalString (allowInterfaces!=null) "allow-interfaces=${concatStringsSep "," allowInterfaces}"}
${optionalString (denyInterfaces!=null) "deny-interfaces=${concatStringsSep "," denyInterfaces}"}
${optionalString (domainName!=null) "domain-name=${domainName}"}
allow-point-to-point=${yesNo allowPointToPoint}
${optionalString (cacheEntriesMax!=null) "cache-entries-max=${toString cacheEntriesMax}"}
@ -39,6 +40,10 @@ let
'';
in
{
imports = [
(lib.mkRenamedOptionModule [ "services" "avahi" "interfaces" ] [ "services" "avahi" "allowInterfaces" ])
];
options.services.avahi = {
enable = mkOption {
type = types.bool;
@ -91,7 +96,7 @@ in
description = lib.mdDoc "Whether to use IPv6.";
};
interfaces = mkOption {
allowInterfaces = mkOption {
type = types.nullOr (types.listOf types.str);
default = null;
description = lib.mdDoc ''
@ -101,6 +106,17 @@ in
'';
};
denyInterfaces = mkOption {
type = types.nullOr (types.listOf types.str);
default = null;
description = lib.mdDoc ''
List of network interfaces that should be ignored by the
{command}`avahi-daemon`. Other unspecified interfaces will be used,
unless {option}`allowInterfaces` is set. This option takes precedence
over {option}`allowInterfaces`.
'';
};
openFirewall = mkOption {
type = types.bool;
default = true;
@ -134,7 +150,7 @@ in
extraServiceFiles = mkOption {
type = with types; attrsOf (either str path);
default = {};
default = { };
example = literalExpression ''
{
ssh = "''${pkgs.avahi}/etc/avahi/services/ssh.service";
@ -236,7 +252,7 @@ in
isSystemUser = true;
};
users.groups.avahi = {};
users.groups.avahi = { };
system.nssModules = optional cfg.nssmdns pkgs.nssmdns;
system.nssDatabases.hosts = optionals cfg.nssmdns (mkMerge [
@ -246,10 +262,12 @@ in
environment.systemPackages = [ pkgs.avahi ];
environment.etc = (mapAttrs' (n: v: nameValuePair
"avahi/services/${n}.service"
{ ${if types.path.check v then "source" else "text"} = v; }
) cfg.extraServiceFiles);
environment.etc = (mapAttrs'
(n: v: nameValuePair
"avahi/services/${n}.service"
{ ${if types.path.check v then "source" else "text"} = v; }
)
cfg.extraServiceFiles);
systemd.sockets.avahi-daemon = {
description = "Avahi mDNS/DNS-SD Stack Activation Socket";