nixpkgs/pkgs/tools/networking/openssh/common.nix
2023-03-03 08:30:17 +01:00

178 lines
5.7 KiB
Nix

{ pname
, version
, extraDesc ? ""
, src
, extraPatches ? []
, extraNativeBuildInputs ? []
, extraConfigureFlags ? []
, extraMeta ? {}
}:
{ lib, stdenv
# This *is* correct, though unusual. as a way of getting krb5-config from the
# package without splicing See: https://github.com/NixOS/nixpkgs/pull/107606
, pkgs
, fetchurl
, fetchpatch
, zlib
, openssl
, libedit
, pkg-config
, pam
, libredirect
, etcDir ? null
, withKerberos ? true
, libkrb5
, libfido2
, hostname
, nixosTests
, withFIDO ? stdenv.hostPlatform.isUnix && !stdenv.hostPlatform.isMusl
, linkOpenssl ? true
}:
stdenv.mkDerivation rec {
inherit pname version src;
patches = [
./locale_archive.patch
(fetchurl {
url = "https://git.alpinelinux.org/aports/plain/main/openssh/gss-serv.c.patch?id=a7509603971ce2f3282486a43bb773b1b522af83";
sha256 = "sha256-eFFOd4B2nccRZAQWwdBPBoKWjfEdKEVGJvKZAzLu3HU=";
})
# See discussion in https://github.com/NixOS/nixpkgs/pull/16966
./dont_create_privsep_path.patch
] ++ extraPatches;
postPatch =
# On Hydra this makes installation fail (sometimes?),
# and nix store doesn't allow such fancy permission bits anyway.
''
substituteInPlace Makefile.in --replace '$(INSTALL) -m 4711' '$(INSTALL) -m 0711'
'';
strictDeps = true;
nativeBuildInputs = [ pkg-config ]
# This is not the same as the libkrb5 from the inputs! pkgs.libkrb5 is
# needed here to access krb5-config in order to cross compile. See:
# https://github.com/NixOS/nixpkgs/pull/107606
++ lib.optional withKerberos pkgs.libkrb5
++ extraNativeBuildInputs;
buildInputs = [ zlib openssl libedit ]
++ lib.optional withFIDO libfido2
++ lib.optional withKerberos libkrb5
++ lib.optional stdenv.isLinux pam;
preConfigure = ''
# Setting LD causes `configure' and `make' to disagree about which linker
# to use: `configure' wants `gcc', but `make' wants `ld'.
unset LD
'';
# I set --disable-strip because later we strip anyway. And it fails to strip
# properly when cross building.
configureFlags = [
"--sbindir=\${out}/bin"
"--localstatedir=/var"
"--with-pid-dir=/run"
"--with-mantype=man"
"--with-libedit=yes"
"--disable-strip"
(if stdenv.isLinux then "--with-pam" else "--without-pam")
] ++ lib.optional (etcDir != null) "--sysconfdir=${etcDir}"
++ lib.optional withFIDO "--with-security-key-builtin=yes"
++ lib.optional withKerberos (assert libkrb5 != null; "--with-kerberos5=${libkrb5}")
++ lib.optional stdenv.isDarwin "--disable-libutil"
++ lib.optional (!linkOpenssl) "--without-openssl"
++ extraConfigureFlags;
${if stdenv.hostPlatform.isStatic then "NIX_LDFLAGS" else null}= [ "-laudit" ] ++ lib.optionals withKerberos [ "-lkeyutils" ];
buildFlags = [ "SSH_KEYSIGN=ssh-keysign" ];
enableParallelBuilding = true;
hardeningEnable = [ "pie" ];
doCheck = true;
enableParallelChecking = false;
nativeCheckInputs = [ openssl ] ++ lib.optional (!stdenv.isDarwin) hostname;
preCheck = lib.optionalString (stdenv.hostPlatform == stdenv.buildPlatform) ''
# construct a dummy HOME
export HOME=$(realpath ../dummy-home)
mkdir -p ~/.ssh
# construct a dummy /etc/passwd file for the sshd under test
# to use to look up the connecting user
DUMMY_PASSWD=$(realpath ../dummy-passwd)
cat > $DUMMY_PASSWD <<EOF
$(whoami)::$(id -u):$(id -g)::$HOME:$SHELL
EOF
# we need to NIX_REDIRECTS /etc/passwd both for processes
# invoked directly and those invoked by the "remote" session
cat > ~/.ssh/environment.base <<EOF
NIX_REDIRECTS=/etc/passwd=$DUMMY_PASSWD
LD_PRELOAD=${libredirect}/lib/libredirect.so
EOF
# use an ssh environment file to ensure environment is set
# up appropriately for build environment even when no shell
# is invoked by the ssh session. otherwise the PATH will
# only contain default unix paths like /bin which we don't
# have in our build environment
cat - regress/test-exec.sh > regress/test-exec.sh.new <<EOF
cp $HOME/.ssh/environment.base $HOME/.ssh/environment
echo "PATH=\$PATH" >> $HOME/.ssh/environment
EOF
mv regress/test-exec.sh.new regress/test-exec.sh
# explicitly enable the PermitUserEnvironment feature
substituteInPlace regress/test-exec.sh \
--replace \
'cat << EOF > $OBJ/sshd_config' \
$'cat << EOF > $OBJ/sshd_config\n\tPermitUserEnvironment yes'
# some tests want to use files under /bin as example files
for f in regress/sftp-cmds.sh regress/forwarding.sh; do
substituteInPlace $f --replace '/bin' "$(dirname $(type -p ls))"
done
# set up NIX_REDIRECTS for direct invocations
set -a; source ~/.ssh/environment.base; set +a
'';
# integration tests hard to get working on darwin with its shaky
# sandbox
# t-exec tests fail on musl
checkTarget = lib.optional (!stdenv.isDarwin && !stdenv.hostPlatform.isMusl) "t-exec"
# other tests are less demanding of the environment
++ [ "unit" "file-tests" "interop-tests" ];
postInstall = ''
# Install ssh-copy-id, it's very useful.
cp contrib/ssh-copy-id $out/bin/
chmod +x $out/bin/ssh-copy-id
cp contrib/ssh-copy-id.1 $out/share/man/man1/
'';
installTargets = [ "install-nokeys" ];
installFlags = [
"sysconfdir=\${out}/etc/ssh"
];
passthru.tests = {
borgbackup-integration = nixosTests.borgbackup;
};
meta = with lib; {
description = "An implementation of the SSH protocol${extraDesc}";
homepage = "https://www.openssh.com/";
changelog = "https://www.openssh.com/releasenotes.html";
license = licenses.bsd2;
platforms = platforms.unix ++ platforms.windows;
maintainers = (extraMeta.maintainers or []) ++ (with maintainers; [ eelco aneeshusa ]);
mainProgram = "ssh";
} // extraMeta;
}