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91b3db1309
According to Nixpkgs manual[1] and NixOS 23.11 Release Note[2], the
`sourceRoot` attribute passed to `stdenv.mkDerivation` should be
specified as `"${src.name}"` or `"${src.name}/subdir"` when `src` is
produced using `fetchgit`-based fetchers.
`sourceRoot = "source"` or `sourceRoot = "source/subdir"` is based on
the assumption that the `name` attribute of these pre-unpacked fetchers
are always `"source"`, which is not the case. Expecting constant `name`
also makes the source FODs prone to irrelevent hashes during version
bumps.
[1]: https://nixos.org/manual/nixpkgs/unstable/#var-stdenv-sourceRoot
[2]: https://nixos.org/manual/nixos/stable/release-notes#sec-release-23.11
59 lines
1.3 KiB
Nix
59 lines
1.3 KiB
Nix
{ lib
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, kernel
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, stdenv
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, clang-tools
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, llvmPackages
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, elfutils
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, flex
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, bison
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, bc
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, opensnitch
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}:
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stdenv.mkDerivation rec {
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pname = "opensnitch_ebpf";
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version = "${opensnitch.version}-${kernel.version}";
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inherit (opensnitch) src;
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sourceRoot = "${src.name}/ebpf_prog";
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nativeBuildInputs = with llvmPackages; [
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bc
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bison
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clang
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clang-tools
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elfutils
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flex
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libllvm
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];
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# We set -fno-stack-protector here to work around a clang regression.
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# This is fine - bpf programs do not use stack protectors
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# https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=opensnitch-ebpf-module&id=984b952a784eb701f691dd9f2d45dfeb8d15053b
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env.NIX_CFLAGS_COMPILE = "-fno-stack-protector";
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env.KERNEL_DIR="${kernel.dev}/lib/modules/${kernel.modDirVersion}/source";
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env.KERNEL_HEADERS="${kernel.dev}/lib/modules/${kernel.modDirVersion}/build";
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extraConfig =''
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CONFIG_UPROBE_EVENTS=y
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'';
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installPhase = ''
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runHook preInstall
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for file in opensnitch*.o; do
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install -Dm644 "$file" "$out/etc/opensnitchd/$file"
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done
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runHook postInstall
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'';
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meta = with lib; {
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description = "eBPF process monitor module for OpenSnitch";
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homepage = "https://github.com/evilsocket/opensnitch";
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license = licenses.gpl3Only;
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maintainers = with maintainers; [ onny ];
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platforms = platforms.linux;
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};
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}
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