asleap: add meta.platforms; modernize; move to by-name (#353744)

pkgs/by-name/as/asleap/package.nix

@@ -1,27 +1,43 @@
-{lib, stdenv, fetchFromGitHub, openssl, libpcap, libxcrypt}:
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  openssl,
+  libpcap,
+  libxcrypt,
+}:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
   pname = "asleap";
   version = "unstable-2021-06-20";
 
   src = fetchFromGitHub {
     owner = "zackw";
-    repo = pname;
+    repo = "asleap";
     rev = "eb3bd42098cba42b65f499c9d8c73d890861b94f";
     sha256 = "sha256-S6jS0cg9tHSfmP6VHyISkXJxczhPx3HDdxT46c+YmE8=";
   };
 
-  buildInputs = [ openssl libpcap libxcrypt ];
+  buildInputs = [
+    openssl
+    libpcap
+    libxcrypt
+  ];
 
   installPhase = ''
+    runHook preInstall
+
     install -Dm755 asleap $out/bin/asleap
     install -Dm755 genkeys $out/bin/genkeys
+
+    runHook postInstall
   '';
 
-  meta = with lib; {
+  meta = {
     homepage = "https://github.com/zackw/asleap";
     description = "Recovers weak LEAP and PPTP passwords";
-    license = licenses.gpl2Only;
-    maintainers = with maintainers; [ pyrox0 ];
+    license = lib.licenses.gpl2Only;
+    maintainers = with lib.maintainers; [ pyrox0 ];
+    platforms = lib.platforms.linux;
   };
 }

pkgs/top-level/all-packages.nix

@@ -1634,8 +1634,6 @@ with pkgs;
 
   askalono = callPackage ../tools/misc/askalono { };
 
-  asleap = callPackage ../tools/networking/asleap { };
-
   awsbck = callPackage ../tools/backup/awsbck {
     inherit (darwin.apple_sdk.frameworks) Security;
   };