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nixos/dhcpd: Add the ability to drop privileges

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This commit is contained in:
William A. Kennington III 2014-06-24 17:09:27 -05:00
parent 56228e5614
commit 4fbf120e84
1 changed files with 21 additions and 1 deletions
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22
nixos/modules/services/networking/dhcpd.nix
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@ -66,6 +66,24 @@ in
";
};
user = mkOption {
default = "nobody";
type = types.nullOr types.str;
description = ''
The user to drop privileges to after the daemon has started.
A value of null disables the user privilege change.
'';
};
group = mkOption {
default = "nogroup";
type = types.nullOr types.str;
description = ''
The group to drop privileges to after the daemon has started.
A value of null disables the group privilege change.
'';
};
configFile = mkOption {
default = null;
description = "
@ -120,8 +138,10 @@ in
touch ${stateDir}/dhcpd.leases
exec ${pkgs.dhcp}/sbin/dhcpd -f -cf ${configFile} \
exec ${pkgs.dhcp}/sbin/dhcpd -f --no-pid -cf ${configFile} \
-lf ${stateDir}/dhcpd.leases \
${optionalString (cfg.user != null) "-user ${cfg.user}"} \
${optionalString (cfg.group != null) "-group ${cfg.group}"} \
${toString cfg.interfaces}
'';
};