42 lines
929 B
Nix
42 lines
929 B
Nix
{ pkgs, ... }:
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let
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inherit (builtins) concatStringsSep;
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inherit (pkgs) fetchFromGitHub stdenv gnugrep;
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inherit (builtins) readFile fetchurl;
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hosts = stdenv.mkDerivation {
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name = "hosts";
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src = fetchFromGitHub {
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owner = "StevenBlack";
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repo = "hosts";
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rev = "ca3a99a0499add858969ce8747049e681b85a2e2";
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hash = "sha256-DMIal28cTr/8oij89LwSvNp7n1QiwzNmwsiSzV9X49c=";
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};
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nativeBuildInputs = [ gnugrep ];
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installPhase = ''
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mkdir -p $out/etc
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# filter whitelist
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grep -Ev '(${whitelist})' hosts > $out/etc/hosts
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# filter blacklist
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cat << EOF >> $out/etc/hosts
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${blacklist}
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EOF
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'';
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};
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whitelist = concatStringsSep "|" [ ".*pirate(bay|proxy).*" ];
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blacklist = concatStringsSep ''
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0.0.0.0 '' [
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"# auto-generated: must be first"
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# starts here
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];
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in { networking.extraHosts = readFile "${hosts}/etc/hosts"; }
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