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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=5
DISTUTILS_OPTIONAL=1
PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} )
inherit autotools distutils-r1 linux-info libtool eutils versionator
DESCRIPTION="Tool to setup encrypted devices with dm-crypt"
HOMEPAGE="https://gitlab.com/cryptsetup/cryptsetup/blob/master/README.md"
SRC_URI="mirror://kernel/linux/utils/${PN}/v$(get_version_component_range 1-2)/${P}.tar.xz"
LICENSE="GPL-2+"
SLOT="0"
KEYWORDS="amd64"
CRYPTO_BACKENDS="+gcrypt kernel nettle openssl"
# we don't support nss since it doesn't allow cryptsetup to be built statically
# and it's missing ripemd160 support so it can't provide full backward compatibility
IUSE="${CRYPTO_BACKENDS} libressl nls pwquality python reencrypt static static-libs udev urandom"
REQUIRED_USE="^^ ( ${CRYPTO_BACKENDS//+/} )
python? ( ${PYTHON_REQUIRED_USE} )
static? ( !gcrypt )" #496612
LIB_DEPEND="dev-libs/libgpg-error[static-libs(+)]
dev-libs/popt[static-libs(+)]
sys-apps/util-linux[static-libs(+)]
gcrypt? ( dev-libs/libgcrypt:0=[static-libs(+)] )
nettle? ( >=dev-libs/nettle-2.4[static-libs(+)] )
openssl? (
!libressl? ( dev-libs/openssl:0=[static-libs(+)] )
libressl? ( dev-libs/libressl:=[static-libs(+)] )
)
pwquality? ( dev-libs/libpwquality[static-libs(+)] )
sys-fs/lvm2[static-libs(+)]
udev? ( virtual/libudev[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\(+\)\]}
python? ( ${PYTHON_DEPS} )"
DEPEND="${RDEPEND}
virtual/pkgconfig
static? ( ${LIB_DEPEND} )"
#PATCHES=( )
pkg_setup() {
local CONFIG_CHECK="~DM_CRYPT ~CRYPTO ~CRYPTO_CBC ~CRYPTO_SHA256"
local WARNING_DM_CRYPT="CONFIG_DM_CRYPT:\tis not set (required for cryptsetup)\n"
local WARNING_CRYPTO_SHA256="CONFIG_CRYPTO_SHA256:\tis not set (required for cryptsetup)\n"
local WARNING_CRYPTO_CBC="CONFIG_CRYPTO_CBC:\tis not set (required for kernel 2.6.19)\n"
local WARNING_CRYPTO="CONFIG_CRYPTO:\tis not set (required for cryptsetup)\n"
check_extra_config
}
src_prepare() {
sed -i '/^LOOPDEV=/s:$: || exit 0:' tests/{compat,mode}-test || die
#epatch "${PATCHES[@]}"
epatch_user && eautoreconf
if use python ; then
cd python
cp "${FILESDIR}"/setup-1.7.0.py setup.py || die
distutils-r1_src_prepare
fi
}
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
# We disable autotool python integration so we can use eclasses
# for proper integration with multiple python versions.
econf \
--sbindir=/sbin \
--enable-shared \
--disable-python \
$(use_enable static static-cryptsetup) \
$(use_enable static-libs static) \
$(use_enable nls) \
$(use_enable pwquality) \
$(use_enable reencrypt cryptsetup-reencrypt) \
$(use_enable udev) \
$(use_enable !urandom dev-random) \
--with-crypto_backend=$(for x in ${CRYPTO_BACKENDS//+/} ; do usev ${x} ; done)
use python && cd python && distutils-r1_src_configure
}
src_compile() {
default
use python && cd python && distutils-r1_src_compile
}
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 ${p}
done
default
}
pkg_preinst() {
# backup dmcrypt configuration file, avoid etc-update
if [[ -f ""${ROOT}"etc/conf.d/dmcrypt" ]]; then
cp -avx ""${ROOT}"etc/conf.d/dmcrypt" ""${ROOT}"etc/conf.d/dmcrypt.backup"
fi
}
src_install() {
default
if use static ; then
mv "${ED}"/sbin/cryptsetup{.static,} || die
mv "${ED}"/sbin/veritysetup{.static,} || die
use reencrypt && { mv "${ED}"/sbin/cryptsetup-reencrypt{.static,} || die ; }
fi
prune_libtool_files --modules
newconfd "${FILESDIR}"/1.6.7-dmcrypt.confd dmcrypt.example # install as example
newinitd "${FILESDIR}"/1.6.7-dmcrypt.rc dmcrypt
use python && cd python && distutils-r1_src_install
}
pkg_postinst() {
# restore dmcrypt configuration file, avoid etc-update
if [[ -f ""${ROOT}"etc/conf.d/dmcrypt.backup" ]]; then
cp -avx ""${ROOT}"etc/conf.d/dmcrypt.backup" ""${ROOT}"etc/conf.d/dmcrypt"
fi
}
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