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# Copyright 1999-2012 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/sec-policy/selinux-base-policy/selinux-base-policy-2.20110726-r11.ebuild,v 1.2 2012/02/23 18:43:59 swift Exp $
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EAPI="4"
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IUSE="+peer_perms +open_perms +ubac doc"
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inherit eutils
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DESCRIPTION="Gentoo base policy for SELinux"
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HOMEPAGE="http://www.gentoo.org/proj/en/hardened/selinux/"
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SRC_URI="http://oss.tresys.com/files/refpolicy/refpolicy-${PV}.tar.bz2
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http://dev.gentoo.org/~swift/patches/${PN}/patchbundle-${PF}.tar.bz2"
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LICENSE="GPL-2"
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SLOT="0"
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KEYWORDS="amd64 x86"
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RDEPEND=">=sys-apps/policycoreutils-1.30.30
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>=sys-fs/udev-151"
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DEPEND="${RDEPEND}
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sys-devel/m4
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>=sys-apps/checkpolicy-1.30.12"
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S=${WORKDIR}/
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src_prepare() {
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# Apply the gentoo patches to the policy. These patches are only necessary
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# for base policies, or for interface changes on modules.
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EPATCH_MULTI_MSG="Applying SELinux policy updates ... " \
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EPATCH_SUFFIX="patch" \
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EPATCH_SOURCE="${WORKDIR}" \
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EPATCH_FORCE="yes" \
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epatch
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cd "${S}/refpolicy"
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# Fix bug 257111 - Correct the initial sid for cron-started jobs in the
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# system_r role
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sed -i -e 's:system_crond_t:system_cronjob_t:g' \
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"${S}/refpolicy/config/appconfig-standard/default_contexts"
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sed -i -e 's|system_r:cronjob_t|system_r:system_cronjob_t|g' \
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"${S}/refpolicy/config/appconfig-mls/default_contexts"
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sed -i -e 's|system_r:cronjob_t|system_r:system_cronjob_t|g' \
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"${S}/refpolicy/config/appconfig-mcs/default_contexts"
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}
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src_configure() {
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[ -z "${POLICY_TYPES}" ] && local POLICY_TYPES="targeted strict mls mcs"
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# Update the SELinux refpolicy capabilities based on the users' USE flags.
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if ! use peer_perms; then
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sed -i -e '/network_peer_controls/d' \
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"${S}/refpolicy/policy/policy_capabilities"
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fi
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if ! use open_perms; then
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sed -i -e '/open_perms/d' \
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"${S}/refpolicy/policy/policy_capabilities"
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fi
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if ! use ubac; then
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sed -i -e '/^UBAC/s/y/n/' "${S}/refpolicy/build.conf" \
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|| die "Failed to disable User Based Access Control"
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fi
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echo "DISTRO = gentoo" >> "${S}/refpolicy/build.conf"
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# Setup the policies based on the types delivered by the end user.
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# These types can be "targeted", "strict", "mcs" and "mls".
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for i in ${POLICY_TYPES}; do
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cp -a "${S}/refpolicy" "${S}/${i}"
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cd "${S}/${i}";
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make conf || die "Make conf in ${i} failed"
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# Define what we see as "base" and what we want to remain modular.
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cp "${FILESDIR}/modules.conf" \
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"${S}/${i}/policy/modules.conf" \
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|| die "failed to set up modules.conf"
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# In case of "targeted", we add the "unconfined" to the base policy
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if [[ "${i}" == "targeted" ]];
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then
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echo "unconfined = base" >> "${S}/${i}/policy/modules.conf"
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fi
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sed -i -e '/^QUIET/s/n/y/' -e "/^NAME/s/refpolicy/$i/" \
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"${S}/${i}/build.conf" || die "build.conf setup failed."
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if [[ "${i}" == "mls" ]] || [[ "${i}" == "mcs" ]];
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then
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# MCS/MLS require additional settings
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sed -i -e "/^TYPE/s/standard/${i}/" "${S}/${i}/build.conf" \
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|| die "failed to set type to mls"
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fi
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if [ "${i}" == "targeted" ]; then
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sed -i -e '/root/d' -e 's/user_u/unconfined_u/' \
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"${S}/${i}/config/appconfig-standard/seusers" \
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|| die "targeted seusers setup failed."
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fi
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done
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}
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src_compile() {
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[ -z "${POLICY_TYPES}" ] && local POLICY_TYPES="targeted strict mls mcs"
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for i in ${POLICY_TYPES}; do
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cd "${S}/${i}"
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make base || die "${i} compile failed"
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if use doc; then
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make html || die
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fi
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done
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}
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src_install() {
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[ -z "${POLICY_TYPES}" ] && local POLICY_TYPES="targeted strict mls mcs"
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for i in ${POLICY_TYPES}; do
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cd "${S}/${i}"
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make DESTDIR="${D}" install \
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|| die "${i} install failed."
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make DESTDIR="${D}" install-headers \
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|| die "${i} headers install failed."
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echo "run_init_t" > "${D}/etc/selinux/${i}/contexts/run_init_type"
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echo "textrel_shlib_t" >> "${D}/etc/selinux/${i}/contexts/customizable_types"
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# libsemanage won't make this on its own
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keepdir "/etc/selinux/${i}/policy"
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if use doc; then
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dohtml doc/html/*;
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fi
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done
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dodoc doc/Makefile.example doc/example.{te,fc,if}
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insinto /etc/selinux
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doins "${FILESDIR}/config"
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}
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pkg_preinst() {
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has_version "<${CATEGORY}/${PN}-2.20101213-r13"
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previous_less_than_r13=$?
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}
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pkg_postinst() {
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[ -z "${POLICY_TYPES}" ] && local POLICY_TYPES="targeted strict mls mcs"
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for i in ${POLICY_TYPES}; do
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einfo "Inserting base module into ${i} module store."
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cd "${ROOT}/usr/share/selinux/${i}"
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semodule -s "${i}" -b base.pp || die "Could not load in new base policy"
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done
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elog "Updates on policies might require you to relabel files. If you, after"
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elog "installing new SELinux policies, get 'permission denied' errors,"
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elog "relabelling your system using 'rlpkg -a -r' might resolve the issues."
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}
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