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# Copyright 1999-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI="5"
inherit autotools multilib user
DESCRIPTION="The de facto standard for intrusion detection/prevention"
HOMEPAGE="https://www.snort.org"
SRC_URI="https://www.snort.org/downloads/archive/${PN}/${P}.tar.gz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~arm ~mips ~ppc ~ppc64 ~sparc ~x86"
IUSE="static +gre +mpls +targetbased +ppm +perfprofiling
+non-ether-decoders control-socket file-inspect high-availability
shared-rep side-channel sourcefire linux-smp-stats inline-init-failopen
+threads debug +active-response +normalizer reload-error-restart
+react +flexresp3 large-pcap-64bit selinux"
DEPEND=">=net-libs/libpcap-1.3.0
>=net-libs/daq-2.0.2
>=dev-libs/libpcre-8.33
dev-libs/libdnet
sys-libs/zlib"
RDEPEND="${DEPEND}
selinux? ( sec-policy/selinux-snort )"
REQUIRED_USE="!kernel_linux? ( !shared-rep )"
pkg_setup() {
# pre_inst() is a better place to put this
# but we need it here for the 'fowners' statements in src_install()
enewgroup snort
enewuser snort -1 -1 /dev/null snort
}
src_prepare() {
# Multilib fix for the sf_engine
ebegin "Applying multilib fix"
sed -i -e 's|${exec_prefix}/lib|${exec_prefix}/'$(get_libdir)'|g' \
"${WORKDIR}/${P}/src/dynamic-plugins/sf_engine/Makefile.am" \
|| die "sed for sf_engine failed"
# Multilib fix for the curent set of dynamic-preprocessors
for i in file ftptelnet smtp ssh dns ssl dcerpc2 sdf imap pop sip reputation gtp modbus dnp3; do
sed -i -e 's|${exec_prefix}/lib|${exec_prefix}/'$(get_libdir)'|g' \
"${WORKDIR}/${P}/src/dynamic-preprocessors/$i/Makefile.am" \
|| die "sed for $i failed."
done
eend
AT_M4DIR=m4 eautoreconf
}
src_configure() {
econf \
$(use_enable !static shared) \
$(use_enable static) \
$(use_enable static so-with-static-lib) \
$(use_enable gre) \
$(use_enable mpls) \
$(use_enable targetbased) \
$(use_enable control-socket) \
$(use_enable file-inspect) \
$(use_enable high-availability ha) \
$(use_enable non-ether-decoders) \
$(use_enable shared-rep) \
$(use_enable side-channel) \
$(use_enable sourcefire) \
$(use_enable ppm) \
$(use_enable perfprofiling) \
$(use_enable linux-smp-stats) \
$(use_enable inline-init-failopen) \
$(use_enable threads pthread) \
$(use_enable debug) \
$(use_enable debug debug-msgs) \
$(use_enable debug corefiles) \
$(use_enable !debug dlclose) \
$(use_enable active-response) \
$(use_enable normalizer) \
$(use_enable reload-error-restart) \
$(use_enable react) \
$(use_enable flexresp3) \
$(use_enable large-pcap-64bit large-pcap) \
--enable-reload \
--disable-build-dynamic-examples \
--disable-profile \
--disable-ppm-test \
--disable-intel-soft-cpm \
--disable-static-daq
}
src_install() {
emake DESTDIR="${D}" install
dodir /var/log/snort \
/var/run/snort \
/etc/snort/rules \
/etc/snort/so_rules \
/usr/$(get_libdir)/snort_dynamicrules
# config.log and build.log are needed by Sourcefire
# to trouble shoot build problems and bug reports so we are
# perserving them incase the user needs upstream support.
dodoc RELEASE.NOTES ChangeLog \
doc/* \
tools/u2boat/README.u2boat
insinto /etc/snort
doins etc/attribute_table.dtd \
etc/classification.config \
etc/gen-msg.map \
etc/reference.config \
etc/threshold.conf \
etc/unicode.map
# We use snort.conf.distrib because the config file is complicated
# and the one shipped with snort can change drastically between versions.
# Users should migrate setting by hand and not with etc-update.
newins etc/snort.conf snort.conf.distrib
# config.log and build.log are needed by Sourcefire
# to troubleshoot build problems and bug reports so we are
# preserving them incase the user needs upstream support.
if [ -f "${WORKDIR}/${PF}/config.log" ]; then
dodoc "${WORKDIR}/${PF}/config.log"
fi
if [ -f "${T}/build.log" ]; then
dodoc "${T}/build.log"
fi
insinto /etc/snort/preproc_rules
doins preproc_rules/decoder.rules \
preproc_rules/preprocessor.rules \
preproc_rules/sensitive-data.rules
fowners -R snort:snort \
/var/log/snort \
/var/run/snort \
/etc/snort
newinitd "${FILESDIR}/snort.rc12" snort
newconfd "${FILESDIR}/snort.confd.2" snort
# Sourcefire uses Makefiles to install docs causing Bug #297190.
# This removes the unwanted doc directory and rogue Makefiles.
rm -rf "${D}"usr/share/doc/snort || die "Failed to remove SF doc directories"
rm "${D}"usr/share/doc/"${PF}"/Makefile* || die "Failed to remove doc make files"
# Remove unneeded .la files (Bug #382863)
rm "${D}"usr/$(get_libdir)/snort_dynamicengine/libsf_engine.la || die
rm "${D}"usr/$(get_libdir)/snort_dynamicpreprocessor/libsf_*_preproc.la || die "Failed to remove libsf_?_preproc.la"
# Set the correct lib path for dynamicengine, dynamicpreprocessor, and dynamicdetection
sed -i -e 's|/usr/local/lib|/usr/'$(get_libdir)'|g' \
"${D}etc/snort/snort.conf.distrib" || die
# Set the correct rule location in the config
sed -i -e 's|RULE_PATH ../rules|RULE_PATH /etc/snort/rules|g' \
"${D}etc/snort/snort.conf.distrib" || die
# Set the correct preprocessor/decoder rule location in the config
sed -i -e 's|PREPROC_RULE_PATH ../preproc_rules|PREPROC_RULE_PATH /etc/snort/preproc_rules|g' \
"${D}etc/snort/snort.conf.distrib" || die
# Enable the preprocessor/decoder rules
sed -i -e 's|^# include $PREPROC_RULE_PATH|include $PREPROC_RULE_PATH|g' \
"${D}etc/snort/snort.conf.distrib" || die
sed -i -e 's|^# dynamicdetection directory|dynamicdetection directory|g' \
"${D}etc/snort/snort.conf.distrib" || die
# Just some clean up of trailing /'s in the config
sed -i -e 's|snort_dynamicpreprocessor/$|snort_dynamicpreprocessor|g' \
"${D}etc/snort/snort.conf.distrib" || die
# Make it clear in the config where these are...
sed -i -e 's|^include classification.config|include /etc/snort/classification.config|g' \
"${D}etc/snort/snort.conf.distrib" || die
sed -i -e 's|^include reference.config|include /etc/snort/reference.config|g' \
"${D}etc/snort/snort.conf.distrib" || die
# Disable all rule files by default.
sed -i -e 's|^include $RULE_PATH|# include $RULE_PATH|g' \
"${D}etc/snort/snort.conf.distrib" || die
# Disable normalizer preprocessor config if normalizer USE flag not set.
if ! use normalizer; then
sed -i -e 's|^preprocessor normalize|#preprocessor normalize|g' \
"${D}etc/snort/snort.conf.distrib" || die
fi
# Set the configured DAQ to afpacket
sed -i -e 's|^# config daq: <type>|config daq: afpacket|g' \
"${D}etc/snort/snort.conf.distrib" || die
# Set the location of the DAQ modules
sed -i -e 's|^# config daq_dir: <dir>|config daq_dir: /usr/'$(get_libdir)'/daq|g' \
"${D}etc/snort/snort.conf.distrib" || die
# Set the DAQ mode to passive
sed -i -e 's|^# config daq_mode: <mode>|config daq_mode: passive|g' \
"${D}etc/snort/snort.conf.distrib" || die
# Set snort to run as snort:snort
sed -i -e 's|^# config set_gid:|config set_gid: snort|g' \
"${D}etc/snort/snort.conf.distrib" || die
sed -i -e 's|^# config set_uid:|config set_uid: snort|g' \
"${D}etc/snort/snort.conf.distrib" || die
# Set the default log dir
sed -i -e 's|^# config logdir:|config logdir: /var/log/snort/|g' \
"${D}etc/snort/snort.conf.distrib" || die
# Set the correct so_rule location in the config
sed -i -e 's|SO_RULE_PATH ../so_rules|SO_RULE_PATH /etc/snort/so_rules|g' \
"${D}etc/snort/snort.conf.distrib" || die
}
pkg_postinst() {
einfo "There have been a number of improvements and new features"
einfo "added to ${P}. Please review the RELEASE.NOTES and"
einfo "ChangLog located in /usr/share/doc/${PF}."
einfo
elog "The Sourcefire Vulnerability Research Team (VRT) recommends that"
elog "users migrate their snort.conf customizations to the latest config"
elog "file released by the VRT. You can find the latest version of the"
elog "Snort config file in /etc/snort/snort.conf.distrib."
elog
elog "!! It is important that you migrate to this new snort.conf file !!"
elog
elog "This version of the ebuild includes an updated init.d file and"
elog "conf.d file that rely on options found in the latest Snort"
elog "config file provided by the VRT."
if use debug; then
elog "You have the 'debug' USE flag enabled. If this has been done to"
elog "troubleshoot an issue by producing a core dump or a back trace,"
elog "then you need to also ensure the FEATURES variable in make.conf"
elog "contains the 'nostrip' option."
fi
}
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