From 65902d647ca8723fbc71546f9e8b6264d842021c Mon Sep 17 00:00:00 2001
From: Morgan Jones <me@numin.it>
Date: Mon, 26 Dec 2022 19:34:49 -0800
Subject: [PATCH] asn1c: re-init at 0.9.28

Removal before was a false positive.
---
 pkgs/development/compilers/asn1c/default.nix | 33 ++++++++++++++++++++
 pkgs/top-level/aliases.nix                   |  1 -
 pkgs/top-level/all-packages.nix              |  2 ++
 3 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100644 pkgs/development/compilers/asn1c/default.nix

diff --git a/pkgs/development/compilers/asn1c/default.nix b/pkgs/development/compilers/asn1c/default.nix
new file mode 100644
index 000000000000..bcaab6fae867
--- /dev/null
+++ b/pkgs/development/compilers/asn1c/default.nix
@@ -0,0 +1,33 @@
+{ lib, stdenv, fetchurl, perl }:
+
+stdenv.mkDerivation rec {
+  pname = "asn1c";
+  version = "0.9.28";
+
+  src = fetchurl {
+    url = "https://lionet.info/soft/asn1c-${version}.tar.gz";
+    sha256 = "1fc64g45ykmv73kdndr4zdm4wxhimhrir4rxnygxvwkych5l81w0";
+  };
+
+  outputs = [ "out" "doc" "man" ];
+
+  buildInputs = [ perl ];
+
+  preConfigure = ''
+    patchShebangs examples/crfc2asn1.pl
+  '';
+
+  postInstall = ''
+    cp -r skeletons/standard-modules $out/share/asn1c
+  '';
+
+  doCheck = true;
+
+  meta = with lib; {
+    homepage = "http://lionet.info/asn1c/compiler.html";
+    description = "Open Source ASN.1 Compiler";
+    license = licenses.bsd2;
+    platforms = platforms.unix;
+    maintainers = [ maintainers.numinit ];
+  };
+}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 3102d08edf13..bf42a752387d 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -91,7 +91,6 @@ mapAliases ({
   arduino_core = throw "'arduino_core' has been renamed to/replaced by 'arduino-core'"; # Converted to throw 2022-02-22
   arora = throw "arora has been removed"; # Added 2020-09-09
   asciidocFull = throw "'asciidocFull' has been renamed to/replaced by 'asciidoc-full'"; # Converted to throw 2022-02-22
-  asn1c = throw "asn1c has been removed: deleted by upstream"; # Added 2022-01-07
   asterisk_13 = throw "asterisk_13: Asterisk 13 is end of life and has been removed"; # Added 2022-04-06
   asterisk_15 = throw "asterisk_15: Asterisk 15 is end of life and has been removed"; # Added 2020-10-07
   asterisk_17 = throw "asterisk_17: Asterisk 17 is end of life and has been removed"; # Added 2022-04-06
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6246647a2c1d..27cbb4f29f5a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -280,6 +280,8 @@ with pkgs;
     inherit (darwin.apple_sdk.frameworks) CoreServices;
   };
 
+  asn1c = callPackage ../development/compilers/asn1c { };
+
   authy = callPackage ../applications/misc/authy { };
 
   authz0 = callPackage ../tools/security/authz0 { };