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# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit linux-info tmpfiles
DESCRIPTION="Tool to setup encrypted devices with dm-crypt"
HOMEPAGE="https://gitlab.com/cryptsetup/cryptsetup/blob/master/README.md"
SRC_URI="https://www.kernel.org/pub/linux/utils/${PN}/v$(ver_cut 1-2)/${P/_/-}.tar.xz"
LICENSE="GPL-2+"
SLOT="0/12" # libcryptsetup.so version
[[ ${PV} != *_rc* ]] && \
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
CRYPTO_BACKENDS="gcrypt kernel nettle +openssl"
# we don't support nss since it doesn't allow cryptsetup to be built statically
# and it's missing ripemd160 support so it can't provide full backward compatibility
IUSE="${CRYPTO_BACKENDS} +argon2 fips nls pwquality reencrypt ssh static static-libs test +udev urandom"
RESTRICT="!test? ( test )"
REQUIRED_USE="^^ ( ${CRYPTO_BACKENDS//+/} )
static? ( !gcrypt !ssh !udev !fips )
fips? ( !kernel !nettle )
" # 496612, 832711, 843863
LIB_DEPEND="
dev-libs/json-c:=[static-libs(+)]
dev-libs/popt[static-libs(+)]
>=sys-apps/util-linux-2.31-r1[static-libs(+)]
argon2? ( app-crypt/argon2:=[static-libs(+)] )
gcrypt? (
dev-libs/libgcrypt:0=[static-libs(+)]
dev-libs/libgpg-error[static-libs(+)]
)
nettle? ( >=dev-libs/nettle-2.4[static-libs(+)] )
openssl? ( dev-libs/openssl:0=[static-libs(+)] )
pwquality? ( dev-libs/libpwquality[static-libs(+)] )
ssh? ( net-libs/libssh[static-libs(+)] )
sys-fs/lvm2[static-libs(+)]"
# We have to always depend on ${LIB_DEPEND} rather than put behind
# !static? () because we provide a shared library which links against
# these other packages. #414665
RDEPEND="static-libs? ( ${LIB_DEPEND} )
${LIB_DEPEND//\[static-libs\([+-]\)\]}
udev? ( virtual/libudev:= )"
# vim-core needed for xxd in tests
DEPEND="${RDEPEND}
static? ( ${LIB_DEPEND} )
test? ( app-editors/vim-core )"
BDEPEND="
virtual/pkgconfig
"
S="${WORKDIR}/${P/_/-}"
pkg_setup() {
local CONFIG_CHECK="~DM_CRYPT ~CRYPTO ~CRYPTO_CBC ~CRYPTO_SHA256"
local WARNING_DM_CRYPT="CONFIG_DM_CRYPT:\tis not set (required for cryptsetup)\n"
local WARNING_CRYPTO_SHA256="CONFIG_CRYPTO_SHA256:\tis not set (required for cryptsetup)\n"
local WARNING_CRYPTO_CBC="CONFIG_CRYPTO_CBC:\tis not set (required for kernel 2.6.19)\n"
local WARNING_CRYPTO="CONFIG_CRYPTO:\tis not set (required for cryptsetup)\n"
check_extra_config
}
src_prepare() {
sed -i '/^LOOPDEV=/s:$: || exit 0:' tests/{compat,mode}-test || die
default
}
src_configure() {
if use kernel ; then
ewarn "Note that kernel backend is very slow for this type of operation"
ewarn "and is provided mainly for embedded systems wanting to avoid"
ewarn "userspace crypto libraries."
fi
local myeconfargs=(
--disable-internal-argon2
--enable-shared
--sbindir=/sbin
# for later use
--with-default-luks-format=LUKS2
--with-tmpfilesdir="${EPREFIX}/usr/lib/tmpfiles.d"
--with-crypto_backend=$(for x in ${CRYPTO_BACKENDS//+/} ; do usev ${x} ; done)
$(use_enable argon2 libargon2)
$(use_enable nls)
$(use_enable pwquality)
$(use_enable reencrypt cryptsetup-reencrypt)
$(use_enable !static external-tokens)
$(use_enable static static-cryptsetup)
$(use_enable static-libs static)
$(use_enable udev)
$(use_enable !urandom dev-random)
$(use_enable ssh ssh-token)
$(usex argon2 '' '--with-luks2-pbkdf=pbkdf2')
$(use_enable fips)
)
econf "${myeconfargs[@]}"
}
src_test() {
if [[ ! -e /dev/mapper/control ]] ; then
ewarn "No /dev/mapper/control found -- skipping tests"
return 0
fi
local p
for p in /dev/mapper /dev/loop* ; do
addwrite ${p}
done
default
}
src_install() {
default
if use static ; then
mv "${ED}"/sbin/cryptsetup{.static,} || die
mv "${ED}"/sbin/veritysetup{.static,} || die
mv "${ED}"/sbin/integritysetup{.static,} || die
if use ssh ; then
mv "${ED}"/sbin/cryptsetup-ssh{.static,} || die
fi
if use reencrypt ; then
mv "${ED}"/sbin/cryptsetup-reencrypt{.static,} || die
fi
fi
find "${ED}" -type f -name "*.la" -delete || die
dodoc docs/v*ReleaseNotes
newconfd "${FILESDIR}"/2.4.3-dmcrypt.confd dmcrypt
newinitd "${FILESDIR}"/2.4.3-dmcrypt.rc dmcrypt
}
pkg_postinst() {
tmpfiles_process cryptsetup.conf
}
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