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# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sec-policy/selinux-base-policy/selinux-base-policy-2.20110726-r8.ebuild,v 1.2 2012/01/29 11:23:08 swift Exp $
EAPI="4"
IUSE="+peer_perms +open_perms +ubac doc"
inherit eutils
DESCRIPTION="Gentoo base policy for SELinux"
HOMEPAGE="http://www.gentoo.org/proj/en/hardened/selinux/"
SRC_URI="http://oss.tresys.com/files/refpolicy/refpolicy-${PV}.tar.bz2
http://dev.gentoo.org/~swift/patches/${PN}/patchbundle-${PF}.tar.bz2"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="amd64 x86"
RDEPEND=">=sys-apps/policycoreutils-1.30.30
>=sys-fs/udev-151"
DEPEND="${RDEPEND}
sys-devel/m4
>=sys-apps/checkpolicy-1.30.12"
S=${WORKDIR}/
src_prepare() {
# Apply the gentoo patches to the policy. These patches are only necessary
# for base policies, or for interface changes on modules.
EPATCH_MULTI_MSG="Applying SELinux policy updates ... " \
EPATCH_SUFFIX="patch" \
EPATCH_SOURCE="${WORKDIR}" \
EPATCH_FORCE="yes" \
epatch
cd "${S}/refpolicy"
# Fix bug 257111 - Correct the initial sid for cron-started jobs in the
# system_r role
sed -i -e 's:system_crond_t:system_cronjob_t:g' \
"${S}/refpolicy/config/appconfig-standard/default_contexts"
sed -i -e 's|system_r:cronjob_t|system_r:system_cronjob_t|g' \
"${S}/refpolicy/config/appconfig-mls/default_contexts"
sed -i -e 's|system_r:cronjob_t|system_r:system_cronjob_t|g' \
"${S}/refpolicy/config/appconfig-mcs/default_contexts"
}
src_configure() {
[ -z "${POLICY_TYPES}" ] && local POLICY_TYPES="targeted strict mls mcs"
# Update the SELinux refpolicy capabilities based on the users' USE flags.
if ! use peer_perms; then
sed -i -e '/network_peer_controls/d' \
"${S}/refpolicy/policy/policy_capabilities"
fi
if ! use open_perms; then
sed -i -e '/open_perms/d' \
"${S}/refpolicy/policy/policy_capabilities"
fi
if ! use ubac; then
sed -i -e '/^UBAC/s/y/n/' "${S}/refpolicy/build.conf" \
|| die "Failed to disable User Based Access Control"
fi
echo "DISTRO = gentoo" >> "${S}/refpolicy/build.conf"
# Setup the policies based on the types delivered by the end user.
# These types can be "targeted", "strict", "mcs" and "mls".
for i in ${POLICY_TYPES}; do
cp -a "${S}/refpolicy" "${S}/${i}"
cd "${S}/${i}";
make conf || die "Make conf in ${i} failed"
# Define what we see as "base" and what we want to remain modular.
cp "${FILESDIR}/modules.conf" \
"${S}/${i}/policy/modules.conf" \
|| die "failed to set up modules.conf"
# In case of "targeted", we add the "unconfined" to the base policy
if [[ "${i}" == "targeted" ]];
then
echo "unconfined = base" >> "${S}/${i}/policy/modules.conf"
fi
sed -i -e '/^QUIET/s/n/y/' -e "/^NAME/s/refpolicy/$i/" \
"${S}/${i}/build.conf" || die "build.conf setup failed."
if [[ "${i}" == "mls" ]] || [[ "${i}" == "mcs" ]];
then
# MCS/MLS require additional settings
sed -i -e "/^TYPE/s/standard/${i}/" "${S}/${i}/build.conf" \
|| die "failed to set type to mls"
fi
if [ "${i}" == "targeted" ]; then
sed -i -e '/root/d' -e 's/user_u/unconfined_u/' \
"${S}/${i}/config/appconfig-standard/seusers" \
|| die "targeted seusers setup failed."
fi
done
}
src_compile() {
[ -z "${POLICY_TYPES}" ] && local POLICY_TYPES="targeted strict mls mcs"
for i in ${POLICY_TYPES}; do
cd "${S}/${i}"
make base || die "${i} compile failed"
if use doc; then
make html || die
fi
done
}
src_install() {
[ -z "${POLICY_TYPES}" ] && local POLICY_TYPES="targeted strict mls mcs"
for i in ${POLICY_TYPES}; do
cd "${S}/${i}"
make DESTDIR="${D}" install \
|| die "${i} install failed."
make DESTDIR="${D}" install-headers \
|| die "${i} headers install failed."
echo "run_init_t" > "${D}/etc/selinux/${i}/contexts/run_init_type"
echo "textrel_shlib_t" >> "${D}/etc/selinux/${i}/contexts/customizable_types"
# libsemanage won't make this on its own
keepdir "/etc/selinux/${i}/policy"
if use doc; then
dohtml doc/html/*;
fi
done
dodoc doc/Makefile.example doc/example.{te,fc,if}
insinto /etc/selinux
doins "${FILESDIR}/config"
}
pkg_preinst() {
has_version "<${CATEGORY}/${PN}-2.20101213-r13"
previous_less_than_r13=$?
}
pkg_postinst() {
[ -z "${POLICY_TYPES}" ] && local POLICY_TYPES="targeted strict mls mcs"
for i in ${POLICY_TYPES}; do
einfo "Inserting base module into ${i} module store."
cd "${ROOT}/usr/share/selinux/${i}"
semodule -s "${i}" -b base.pp || die "Could not load in new base policy"
done
elog "Updates on policies might require you to relabel files. If you, after"
elog "installing new SELinux policies, get 'permission denied' errors,"
elog "relabelling your system using 'rlpkg -a -r' might resolve the issues."
}
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