38 lines
796 B
Nix
38 lines
796 B
Nix
{ writeTextFile, stdenv, ruby } : { env, runScript } :
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let
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name = env.pname;
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# Sandboxing script
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chroot-user = writeTextFile {
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name = "chroot-user";
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executable = true;
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destination = "/bin/chroot-user";
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text = ''
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#! ${ruby}/bin/ruby
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${builtins.readFile ./chroot-user.rb}
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'';
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};
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in stdenv.mkDerivation {
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name = "${name}-userenv";
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buildInputs = [ ruby ];
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preferLocalBuild = true;
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buildCommand = ''
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mkdir -p $out/bin
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cat > $out/bin/${name} <<EOF
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#! ${stdenv.shell}
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exec ${chroot-user}/bin/chroot-user ${env} $out/libexec/run
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EOF
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chmod +x $out/bin/${name}
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mkdir -p $out/libexec
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cat > $out/libexec/run <<EOF
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#! ${stdenv.shell}
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source /etc/profile
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${runScript}
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EOF
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chmod +x $out/libexec/run
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'';
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}
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