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https://github.com/outbackdingo/firezone.git
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69f9a03ee8
With the removal of the NAT64/46 modules, we can now simplify the internals of our `IpPacket` struct. The requirements for our `IpPacket` struct are somewhat delicate. On the one hand, we don't want to be overly restrictive in our parsing / validation code because there is a lot of broken software out there that doesn't necessarily follow RFCs. Hence, we want to be as lenient as possible in what we accept. On the other hand, we do need to verify certain aspects of the packet, like the payload lengths. At the moment, we are somewhat too lenient there which causes errors on the Gateway where we have to NAT or otherwise manipulate the packets. See #9567 or #9552 for example. To fix this, we make the parsing in the `IpPacket` constructor more restrictive. If it is a UDP, TCP or ICMP packet, we attempt to fully parse its headers and validate the payload lengths. This parsing allows us to then rely on the integrity of the packet as part of the implementation. This does create several code paths that can in theory panic but in practice, should be impossible to hit. To ensure that this does in fact not happen, we also tackle an issue that is long overdue: Fuzzing. Resolves: #6667 Resolves: #9567 Resolves: #9552
71 lines
2.0 KiB
Nix
71 lines
2.0 KiB
Nix
{
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inputs = {
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nixpkgs.url = "nixpkgs";
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nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
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};
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outputs = { nixpkgs, nixpkgs-unstable, ... }:
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let
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system = "x86_64-linux";
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pkgs = import nixpkgs {
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inherit system;
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config.allowUnfree = true;
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overlays = [
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(final: _prev: {
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unstable = import nixpkgs-unstable {
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inherit (final) system config;
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};
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})
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];
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};
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packages = with pkgs; [
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rustup # We use `rustup` to manage the Rust installation in order to get `+nightly` etc features.
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curl
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wget
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pkg-config
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dbus
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openssl_3
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glib
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gtk3
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libsoup_3
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librsvg
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zenity
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desktop-file-utils
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android-tools
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llvmPackages.bintools-unwrapped
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bpftools
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# For Tauri
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at-spi2-atk
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atkmm
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cairo
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gdk-pixbuf
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glib
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gobject-introspection
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gobject-introspection.dev
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gtk3
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harfbuzz
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librsvg
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libsoup_3
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pango
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webkitgtk_4_1
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webkitgtk_4_1.dev
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libayatana-appindicator
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];
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in
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{
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devShells = {
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x86_64-linux.default = pkgs.mkShell {
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packages = [ pkgs.cargo-tauri pkgs.iptables pkgs.pnpm pkgs.unstable.cargo-sort pkgs.cargo-deny pkgs.cargo-autoinherit pkgs.dump_syms pkgs.xvfb-run pkgs.ktlint pkgs.unstable.actionlint pkgs.cargo-fuzz pkgs.cargo-llvm-cov ];
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buildInputs = packages;
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src = ../..;
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PKG_CONFIG_PATH = with pkgs; "${glib.dev}/lib/pkgconfig:${libsoup_3.dev}/lib/pkgconfig:${webkitgtk_4_1.dev}/lib/pkgconfig:${at-spi2-atk.dev}/lib/pkgconfig:${gtk3.dev}/lib/pkgconfig:${gdk-pixbuf.dev}/lib/pkgconfig:${cairo.dev}/lib/pkgconfig:${pango.dev}/lib/pkgconfig:${harfbuzz.dev}/lib/pkgconfig";
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LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath [ pkgs.libayatana-appindicator pkgs.gtk3 pkgs.glib ];
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};
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};
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};
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}
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