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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} )
DISTUTILS_IN_SOURCE_BUILD=1
inherit bash-completion-r1 eutils linux-info distutils-r1 systemd
DESCRIPTION="A program used to manage a netfilter firewall"
HOMEPAGE="https://launchpad.net/ufw"
SRC_URI="https://launchpad.net/ufw/${PV}/${PV}/+download/${P}.tar.gz"
LICENSE="GPL-3"
SLOT="0"
KEYWORDS="amd64 ia64 ppc ppc64 ~sparc x86"
IUSE="examples ipv6"
DEPEND="sys-devel/gettext"
RDEPEND=">=net-firewall/iptables-1.4[ipv6?]
!<kde-misc/kcm-ufw-0.4.2
!<net-firewall/ufw-frontends-0.3.2
"
# tests fail; upstream bug: https://bugs.launchpad.net/ufw/+bug/815982
RESTRICT="test"
PATCHES=(
# Remove unnecessary build time dependency on net-firewall/iptables.
"${FILESDIR}"/${PN}-0.33-dont-check-iptables.patch
# Move files away from /lib/ufw.
"${FILESDIR}"/${PN}-0.35-move-path.patch
# Remove shebang modification.
"${FILESDIR}"/${PN}-0.34_pre805-shebang.patch
# Fix bash completions, bug #526300
"${FILESDIR}"/${P}-bash-completion.patch
)
pkg_pretend() {
local CONFIG_CHECK="~PROC_FS
~NETFILTER_XT_MATCH_COMMENT ~NETFILTER_XT_MATCH_HL
~NETFILTER_XT_MATCH_LIMIT ~NETFILTER_XT_MATCH_MULTIPORT
~NETFILTER_XT_MATCH_RECENT ~NETFILTER_XT_MATCH_STATE"
if kernel_is -ge 2 6 39; then
CONFIG_CHECK+=" ~NETFILTER_XT_MATCH_ADDRTYPE"
else
CONFIG_CHECK+=" ~IP_NF_MATCH_ADDRTYPE"
fi
# https://bugs.launchpad.net/ufw/+bug/1076050
if kernel_is -ge 3 4; then
CONFIG_CHECK+=" ~NETFILTER_XT_TARGET_LOG"
else
CONFIG_CHECK+=" ~IP_NF_TARGET_LOG"
use ipv6 && CONFIG_CHECK+=" ~IP6_NF_TARGET_LOG"
fi
CONFIG_CHECK+=" ~IP_NF_TARGET_REJECT"
use ipv6 && CONFIG_CHECK+=" ~IP6_NF_TARGET_REJECT"
check_extra_config
# Check for default, useful optional features.
if ! linux_config_exists; then
ewarn "Cannot determine configuration of your kernel."
return
fi
local nf_nat_ftp_ok="yes"
local nf_conntrack_ftp_ok="yes"
local nf_conntrack_netbios_ns_ok="yes"
linux_chkconfig_present \
NF_NAT_FTP || nf_nat_ftp_ok="no"
linux_chkconfig_present \
NF_CONNTRACK_FTP || nf_conntrack_ftp_ok="no"
linux_chkconfig_present \
NF_CONNTRACK_NETBIOS_NS || nf_conntrack_netbios_ns_ok="no"
# This is better than an essay for each unset option...
if [[ ${nf_nat_ftp_ok} = no ]] || [[ ${nf_conntrack_ftp_ok} = no ]] \
|| [[ ${nf_conntrack_netbios_ns_ok} = no ]]
then
echo
local mod_msg="Kernel options listed below are not set. They are not"
mod_msg+=" mandatory, but they are often useful."
mod_msg+=" If you don't need some of them, please remove relevant"
mod_msg+=" module name(s) from IPT_MODULES in"
mod_msg+=" '${EROOT}etc/default/ufw' before (re)starting ufw."
mod_msg+=" Otherwise ufw may fail to start!"
ewarn "${mod_msg}"
if [[ ${nf_nat_ftp_ok} = no ]]; then
ewarn "NF_NAT_FTP: for better support for active mode FTP."
fi
if [[ ${nf_conntrack_ftp_ok} = no ]]; then
ewarn "NF_CONNTRACK_FTP: for better support for active mode FTP."
fi
if [[ ${nf_conntrack_netbios_ns_ok} = no ]]; then
ewarn "NF_CONNTRACK_NETBIOS_NS: for better Samba support."
fi
fi
}
python_prepare_all() {
# Set as enabled by default. User can enable or disable
# the service by adding or removing it to/from a runlevel.
sed -i 's/^ENABLED=no/ENABLED=yes/' conf/ufw.conf \
|| die "sed failed (ufw.conf)"
sed -i "s/^IPV6=yes/IPV6=$(usex ipv6)/" conf/ufw.defaults || die
# If LINGUAS is set install selected translations only.
if [[ -n ${LINGUAS+set} ]]; then
_EMPTY_LOCALE_LIST="yes"
pushd locales/po > /dev/null || die
local lang
for lang in *.po; do
if ! has "${lang%.po}" ${LINGUAS}; then
rm "${lang}" || die
else
_EMPTY_LOCALE_LIST="no"
fi
done
popd > /dev/null || die
else
_EMPTY_LOCALE_LIST="no"
fi
distutils-r1_python_prepare_all
}
python_install_all() {
newconfd "${FILESDIR}"/ufw.confd ufw
newinitd "${FILESDIR}"/ufw-2.initd ufw
systemd_dounit "${FILESDIR}/ufw.service"
exeinto /usr/share/${PN}
doexe tests/check-requirements
# users normally would want it
insinto /usr/share/doc/${PF}/logging/syslog-ng
doins "${FILESDIR}"/syslog-ng/*
insinto /usr/share/doc/${PF}/logging/rsyslog
doins "${FILESDIR}"/rsyslog/*
doins doc/rsyslog.example
if use examples; then
insinto /usr/share/doc/${PF}/examples
doins examples/*
fi
newbashcomp shell-completion/bash ${PN}
[[ $_EMPTY_LOCALE_LIST != yes ]] && domo locales/mo/*.mo
distutils-r1_python_install_all
python_replicate_script "${D}usr/sbin/ufw"
}
pkg_postinst() {
local print_check_req_warn
print_check_req_warn=false
if [[ -z ${REPLACING_VERSIONS} ]]; then
echo
elog "To enable ufw, add it to boot sequence and activate it:"
elog "-- # rc-update add ufw boot"
elog "-- # /etc/init.d/ufw start"
echo
elog "If you want to keep ufw logs in a separate file, take a look at"
elog "/usr/share/doc/${PF}/logging."
print_check_req_warn=true
else
for rv in ${REPLACING_VERSIONS}; do
local major=${rv%%.*}
local minor=${rv#${major}.}
if [[ ${major} -eq 0 && ${minor} -lt 34 ]]; then
print_check_req_warn=true
fi
done
fi
if $print_check_req_warn; then
echo
elog "/usr/share/ufw/check-requirements script is installed."
elog "It is useful for debugging problems with ufw. However one"
elog "should keep in mind that the script assumes IPv6 is enabled"
elog "on kernel and net-firewall/iptables, and fails when it's not."
fi
echo
ewarn "Note: once enabled, ufw blocks also incoming SSH connections by"
ewarn "default. See README, Remote Management section for more information."
}
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