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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit linux-info bash-completion-r1 systemd toolchain-funcs
DESCRIPTION="Required tools for WireGuard, such as wg(8) and wg-quick(8)"
HOMEPAGE="https://www.wireguard.com/"
if [[ ${PV} == 9999 ]]; then
inherit git-r3
EGIT_REPO_URI="https://git.zx2c4.com/wireguard-tools"
else
SRC_URI="https://git.zx2c4.com/wireguard-tools/snapshot/wireguard-tools-${PV}.tar.xz"
KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 ~s390 sparc x86"
fi
LICENSE="GPL-2"
SLOT="0"
IUSE="+wg-quick"
BDEPEND="virtual/pkgconfig"
DEPEND=""
RDEPEND="${DEPEND}
wg-quick? (
|| ( net-firewall/nftables net-firewall/iptables )
virtual/resolvconf
)
"
wg_quick_optional_config_nob() {
CONFIG_CHECK="$CONFIG_CHECK ~$1"
declare -g ERROR_$1="CONFIG_$1: This option is required for automatic routing of default routes inside of wg-quick(8), though it is not required for general WireGuard usage."
}
pkg_setup() {
if use wg-quick; then
wg_quick_optional_config_nob IP_ADVANCED_ROUTER
wg_quick_optional_config_nob IP_MULTIPLE_TABLES
wg_quick_optional_config_nob IPV6_MULTIPLE_TABLES
if has_version net-firewall/nftables; then
wg_quick_optional_config_nob NF_TABLES
wg_quick_optional_config_nob NF_TABLES_IPV4
wg_quick_optional_config_nob NF_TABLES_IPV6
wg_quick_optional_config_nob NFT_CT
wg_quick_optional_config_nob NFT_FIB
wg_quick_optional_config_nob NFT_FIB_IPV4
wg_quick_optional_config_nob NFT_FIB_IPV6
wg_quick_optional_config_nob NF_CONNTRACK_MARK
elif has_version net-firewall/iptables; then
wg_quick_optional_config_nob NETFILTER_XTABLES
wg_quick_optional_config_nob NETFILTER_XT_MARK
wg_quick_optional_config_nob NETFILTER_XT_CONNMARK
wg_quick_optional_config_nob NETFILTER_XT_MATCH_COMMENT
wg_quick_optional_config_nob NETFILTER_XT_MATCH_ADDRTYPE
wg_quick_optional_config_nob IP6_NF_RAW
wg_quick_optional_config_nob IP_NF_RAW
wg_quick_optional_config_nob IP6_NF_FILTER
wg_quick_optional_config_nob IP_NF_FILTER
fi
fi
get_version
if [[ -f $KERNEL_DIR/include/uapi/linux/wireguard.h ]]; then
CONFIG_CHECK="~WIREGUARD $CONFIG_CHECK"
declare -g ERROR_WIREGUARD="CONFIG_WIREGUARD: This option is required for using WireGuard."
elif kernel_is -ge 3 10 0 && kernel_is -lt 5 6 0 && ! has_version net-vpn/wireguard-modules; then
ewarn
ewarn "Your kernel does not appear to have upstream support for WireGuard"
ewarn "via CONFIG_WIREGUARD. However, the net-vpn/wireguard-modules ebuild"
ewarn "contains a compatibility module that should work for your kernel."
ewarn "It is highly recommended to install it:"
ewarn
ewarn " emerge -av net-vpn/wireguard-modules"
ewarn
fi
linux-info_pkg_setup
}
src_compile() {
emake RUNSTATEDIR="${EPREFIX}/run" -C src CC="$(tc-getCC)" LD="$(tc-getLD)"
}
src_install() {
dodoc README.md
dodoc -r contrib
emake \
WITH_BASHCOMPLETION=yes \
WITH_SYSTEMDUNITS=yes \
WITH_WGQUICK=$(usex wg-quick) \
DESTDIR="${D}" \
BASHCOMPDIR="$(get_bashcompdir)" \
SYSTEMDUNITDIR="$(systemd_get_systemunitdir)" \
PREFIX="${EPREFIX}/usr" \
-C src install
use wg-quick && newinitd "${FILESDIR}/wg-quick.init" wg-quick
}
pkg_postinst() {
einfo
einfo "After installing WireGuard, if you'd like to try sending some packets through"
einfo "WireGuard, you may use, for testing purposes only, the insecure client.sh"
einfo "test example script:"
einfo
einfo " \$ bzcat ${ROOT}/usr/share/doc/${PF}/contrib/ncat-client-server/client.sh.bz2 | sudo bash -"
einfo
einfo "This will automatically setup interface wg0, through a very insecure transport"
einfo "that is only suitable for demonstration purposes. You can then try loading the"
einfo "hidden website or sending pings:"
einfo
einfo " \$ chromium http://192.168.4.1"
einfo " \$ ping 192.168.4.1"
einfo
einfo "More info on getting started can be found at: https://www.wireguard.com/quickstart/"
einfo
}
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