nixpkgs/pkgs/servers/invidious/lsquic.nix
2023-10-22 21:13:16 -04:00

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{ lib, boringssl, stdenv, fetchgit, fetchFromGitHub, fetchurl, cmake, zlib, perl, libevent }:
let
versions = lib.importJSON ./versions.json;
fetchGitilesPatch = { name, url, sha256 }:
fetchurl {
url = "${url}%5E%21?format=TEXT";
inherit name sha256;
downloadToTemp = true;
postFetch = ''
base64 -d < $downloadedFile > $out
'';
};
# lsquic requires a specific boringssl version (noted in its README)
boringssl' = boringssl.overrideAttrs ({ preBuild, ... }: {
version = versions.boringssl.rev;
src = fetchgit {
url = "https://boringssl.googlesource.com/boringssl";
inherit (versions.boringssl) rev sha256;
};
patches = [
# Use /etc/ssl/certs/ca-certificates.crt instead of /etc/ssl/cert.pem
./use-etc-ssl-certs.patch
# because lsquic requires that specific boringssl version and that
# version does not yet include fixes for gcc11 build errors, they
# must be backported
(fetchGitilesPatch {
name = "fix-mismatch-between-header-and-implementation-of-bn_sqr_comba8.patch";
url = "https://boringssl.googlesource.com/boringssl/+/139adff9b27eaf0bdaac664ec4c9a7db2fe3f920";
sha256 = "05sp602dvh50v46jkzmh4sf4wqnq5bwy553596g2rhxg75bailjj";
})
(fetchGitilesPatch {
name = "use-an-unsized-helper-for-truncated-SHA-512-variants.patch";
url = "https://boringssl.googlesource.com/boringssl/+/a24ab549e6ae246b391155d7bed3790ac0e07de2";
sha256 = "0483jkpg4g64v23ln2blb74xnmzdjcn3r7w4zk7nfg8j3q5f9lxm";
})
/*
# the following patch is too complex, so we will modify the build flags
# of crypto/fipsmodule/CMakeFiles/fipsmodule.dir/bcm.c.o in preBuild
# and turn off -Werror=stringop-overflow
(fetchGitilesPatch {
name = "make-md32_common.h-single-included-and-use-an-unsized-helper-for-SHA-256.patch";
url = "https://boringssl.googlesource.com/boringssl/+/597ffef971dd980b7de5e97a0c9b7ca26eec94bc";
sha256 = "1y0bkkdf1ccd6crx326agp01q22clm4ai4p982y7r6dkmxmh52qr";
})
*/
(fetchGitilesPatch {
name = "fix-array-parameter-warnings.patch";
url = "https://boringssl.googlesource.com/boringssl/+/92c6fbfc4c44dc8462d260d836020d2b793e7804";
sha256 = "0h4sl95i8b0dj0na4ngf50wg54raxyjxl1zzwdc810abglp10vnv";
})
];
preBuild = preBuild + lib.optionalString stdenv.isLinux ''
sed -e '/^build crypto\/fipsmodule\/CMakeFiles\/fipsmodule\.dir\/bcm\.c\.o:/,/^ *FLAGS =/ s/^ *FLAGS = -Werror/& -Wno-error=stringop-overflow/' \
-i build.ninja
'' + lib.optionalString stdenv.cc.isGNU ''
# Silence warning that causes build failures with GCC.
sed -e '/^build ssl\/test\/CMakeFiles\/bssl_shim\.dir\/settings_writer\.cc\.o:/,/^ *FLAGS =/ s/^ *FLAGS = -Werror/& -Wno-error=ignored-attributes/' \
-e '/^build ssl\/test\/CMakeFiles\/handshaker\.dir\/settings_writer\.cc\.o:/,/^ *FLAGS =/ s/^ *FLAGS = -Werror/& -Wno-error=ignored-attributes/' \
-i build.ninja
'' + lib.optionalString stdenv.cc.isClang (
# Silence warnings that cause build failures with newer versions of clang.
let
clangVersion = lib.getVersion stdenv.cc;
in
lib.optionalString (lib.versionAtLeast clangVersion "13") ''
sed -e '/^build crypto\/CMakeFiles\/crypto\.dir\/x509\/t_x509\.c\.o:/,/^ *FLAGS =/ s/^ *FLAGS = -Werror/& -Wno-error=unused-but-set-variable/' \
-e '/^build tool\/CMakeFiles\/bssl\.dir\/digest\.cc\.o:/,/^ *FLAGS =/ s/^ *FLAGS = -Werror/& -Wno-error=unused-but-set-variable/' \
-i build.ninja
'' + lib.optionalString (lib.versionAtLeast clangVersion "16") ''
sed -e '/^build crypto\/CMakeFiles\/crypto\.dir\/trust_token\/trust_token\.c\.o:/,/^ *FLAGS =/ s/^ *FLAGS = -Werror/& -Wno-error=single-bit-bitfield-constant-conversion/' \
-i build.ninja
''
);
});
in
stdenv.mkDerivation rec {
pname = "lsquic";
version = versions.lsquic.version;
src = fetchFromGitHub {
owner = "litespeedtech";
repo = pname;
rev = "v${version}";
inherit (versions.lsquic) sha256;
fetchSubmodules = true;
};
postPatch = ''
substituteInPlace CMakeLists.txt \
--replace ".so" "${stdenv.hostPlatform.extensions.sharedLibrary}"
'';
nativeBuildInputs = [ cmake perl ];
buildInputs = [ boringssl' libevent zlib ];
cmakeFlags = [
"-DBORINGSSL_DIR=${lib.getDev boringssl'}"
"-DBORINGSSL_LIB_crypto=${lib.getLib boringssl'}/lib/libcrypto.a"
"-DBORINGSSL_LIB_ssl=${lib.getLib boringssl'}/lib/libssl.a"
"-DZLIB_LIB=${zlib}/lib/libz.so"
];
# adapted from lsquic.crs Dockerfile
# (https://github.com/iv-org/lsquic.cr/blob/master/docker/Dockerfile)
installPhase = ''
runHook preInstall
mkdir combinedlib
cd combinedlib
ar -x ${lib.getLib boringssl'}/lib/libssl.a
ar -x ${lib.getLib boringssl'}/lib/libcrypto.a
ar -x ../src/liblsquic/liblsquic.a
ar rc liblsquic.a *.o
ranlib liblsquic.a
install -D liblsquic.a $out/lib/liblsquic.a
runHook postInstall
'';
passthru.boringssl = boringssl';
meta = with lib; {
description = "A library for QUIC and HTTP/3 (version for Invidious)";
homepage = "https://github.com/litespeedtech/lsquic";
maintainers = with maintainers; [ infinisil sbruder ];
license = with licenses; [ openssl isc mit bsd3 ]; # statically links against boringssl, so has to include its licenses
};
}