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nixpkgs/pkgs/os-specific/linux/firejail/default.nix
2022-06-11 12:40:31 +02:00

98 lines
2.9 KiB
Nix

{ lib
, stdenv
, fetchFromGitHub
, fetchpatch
, pkg-config
, libapparmor
, which
, xdg-dbus-proxy
, nixosTests
}:
stdenv.mkDerivation rec {
pname = "firejail";
version = "0.9.70";
src = fetchFromGitHub {
owner = "netblue30";
repo = "firejail";
rev = version;
sha256 = "sha256-x1txt0uER66bZN6BD6c/31Zu6fPPwC9kl/3bxEE6Ce8=";
};
nativeBuildInputs = [
pkg-config
];
buildInputs = [
libapparmor
which
];
configureFlags = [
"--enable-apparmor"
];
patches = [
# Adds the /nix directory when using an overlay.
# Required to run any programs under this mode.
./mount-nix-dir-on-overlay.patch
# By default fbuilder hardcodes the firejail binary to the install path.
# On NixOS the firejail binary is a setuid wrapper available in $PATH.
./fbuilder-call-firejail-on-path.patch
];
prePatch = ''
# Fix the path to 'xdg-dbus-proxy' hardcoded in the 'common.h' file
substituteInPlace src/include/common.h \
--replace '/usr/bin/xdg-dbus-proxy' '${xdg-dbus-proxy}/bin/xdg-dbus-proxy'
'';
preConfigure = ''
sed -e 's@/bin/bash@${stdenv.shell}@g' -i $( grep -lr /bin/bash .)
sed -e "s@/bin/cp@$(which cp)@g" -i $( grep -lr /bin/cp .)
'';
preBuild = ''
sed -e "s@/etc/@$out/etc/@g" -e "/chmod u+s/d" -i Makefile
'';
# The profile files provided with the firejail distribution include `.local`
# profile files using relative paths. The way firejail works when it comes to
# handling includes is by looking target files up in `~/.config/firejail`
# first, and then trying `SYSCONFDIR`. The latter normally points to
# `/etc/filejail`, but in the case of nixos points to the nix store. This
# makes it effectively impossible to place any profile files in
# `/etc/firejail`.
#
# The workaround applied below is by creating a set of `.local` files which
# only contain respective includes to `/etc/firejail`. This way
# `~/.config/firejail` still takes precedence, but `/etc/firejail` will also
# be searched in second order. This replicates the behaviour from
# non-nixos platforms.
#
# See https://github.com/netblue30/firejail/blob/e4cb6b42743ad18bd11d07fd32b51e8576239318/src/firejail/profile.c#L68-L83
# for the profile file lookup implementation.
postInstall = ''
for local in $(grep -Eh '^include.*local$' $out/etc/firejail/*{.inc,.profile} | awk '{print $2}' | sort | uniq)
do
echo "include /etc/firejail/$local" >$out/etc/firejail/$local
done
'';
# At high parallelism, the build sometimes fails with:
# bash: src/fsec-optimize/fsec-optimize: No such file or directory
enableParallelBuilding = false;
passthru.tests = nixosTests.firejail;
meta = {
description = "Namespace-based sandboxing tool for Linux";
license = lib.licenses.gpl2Plus;
maintainers = [ lib.maintainers.raskin ];
platforms = lib.platforms.linux;
homepage = "https://firejail.wordpress.com/";
};
}