diff options
Diffstat (limited to 'nixos/modules/system/boot/systemd-lib.nix')
| -rw-r--r-- | nixos/modules/system/boot/systemd-lib.nix | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/nixos/modules/system/boot/systemd-lib.nix b/nixos/modules/system/boot/systemd-lib.nix index fd1a5b9f62c..a3360291586 100644 --- a/nixos/modules/system/boot/systemd-lib.nix +++ b/nixos/modules/system/boot/systemd-lib.nix @@ -59,6 +59,11 @@ in rec { optional (attr ? ${name} && ! isMacAddress attr.${name}) "Systemd ${group} field `${name}' must be a valid mac address."; + isPort = i: i >= 0 && i <= 65535; + + assertPort = name: group: attr: + optional (attr ? ${name} && ! isPort attr.${name}) + "Error on the systemd ${group} field `${name}': ${attr.name} is not a valid port number."; assertValueOneOf = name: values: group: attr: optional (attr ? ${name} && !elem attr.${name} values) |