lib: ip: add 'isValidIp4'

2021-04-24 23:16:30 +00:00 · 2021-04-24 23:16:30 +00:00 · 0112dd87ac
parent 5a06ab74bb
commit 0112dd87ac
1 changed files with 3 additions and 0 deletions
--- a/lib/ip.nix
+++ b/lib/ip.nix
@ -124,4 +124,7 @@ rec {
          (zipListsWith (lhs: rhs: lhs - rhs) to from);
    in
    map (nthInRange4 arg) (range 0 numAddresses);
+
+  isValidIp4 = ip:
+    (builtins.all (n: n >= 0 && n < 256) ip) && (builtins.length ip == 4);
 }