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# Copyright 1999-2018 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=6
MODULES_OPTIONAL_USE="module"
inherit linux-mod bash-completion-r1
DESCRIPTION="Simple yet fast and modern VPN that utilizes state-of-the-art cryptography."
HOMEPAGE="https://www.wireguard.com/"
if [[ ${PV} == 9999 ]]; then
inherit git-r3
EGIT_REPO_URI="https://git.zx2c4.com/WireGuard"
KEYWORDS=""
else
SRC_URI="https://git.zx2c4.com/WireGuard/snapshot/WireGuard-${PV}.tar.xz"
S="${WORKDIR}/WireGuard-${PV}"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86"
fi
LICENSE="GPL-2"
SLOT="0"
IUSE="debug +module +tools module-src"
DEPEND="tools? ( net-libs/libmnl )"
RDEPEND="${DEPEND}"
MODULE_NAMES="wireguard(kernel/drivers/net:src)"
BUILD_TARGETS="module"
CONFIG_CHECK="NET INET NET_UDP_TUNNEL CRYPTO_BLKCIPHER"
wg_quick_optional_config_nob() {
CONFIG_CHECK="$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 module; then
if use tools; then
wg_quick_optional_config_nob IP_ADVANCED_ROUTER
wg_quick_optional_config_nob IP_MULTIPLE_TABLES
wg_quick_optional_config_nob NETFILTER_XT_MARK
fi
linux-mod_pkg_setup
kernel_is -lt 3 10 0 && die "This version of ${PN} requires Linux >= 3.10"
fi
}
src_compile() {
BUILD_PARAMS="KERNELDIR=${KERNEL_DIR}"
use debug && BUILD_PARAMS="CONFIG_WIREGUARD_DEBUG=y ${BUILD_PARAMS}"
use module && linux-mod_src_compile
use tools && emake RUNSTATEDIR="${EPREFIX}/run" -C src/tools CC="$(tc-getCC)" LD="$(tc-getLD)"
}
src_install() {
use module && linux-mod_src_install
if use tools; then
dodoc README.md
dodoc -r contrib/examples
emake \
WITH_BASHCOMPLETION=yes \
WITH_SYSTEMDUNITS=yes \
WITH_WGQUICK=yes \
DESTDIR="${D}" \
BASHCOMPDIR="$(get_bashcompdir)" \
PREFIX="${EPREFIX}/usr" \
-C src/tools install
fi
use module-src && emake DESTDIR="${D}" PREFIX="${EPREFIX}/usr" -C src dkms-install
}
pkg_postinst() {
if use module-src && ! use module; then
einfo
einfo "You have enabled the module-src USE flag without the module USE"
einfo "flag. This means that sources are installed to"
einfo "${ROOT}usr/src/wireguard instead of having the"
einfo "kernel module compiled. You will need to compile the module"
einfo "yourself. Most likely, you don't want this USE flag, and should"
einfo "rather use USE=module"
einfo
fi
use module && linux-mod_pkg_postinst
einfo
einfo "This software is experimental and has not yet been released."
einfo "As such, it may contain significant issues. Please do not file"
einfo "bug reports with Gentoo, but rather direct them upstream to:"
einfo
einfo " team@wireguard.com security@wireguard.com"
einfo
if use tools; then
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}/examples/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 "If you'd like to redirect your internet traffic, you can run it with the"
einfo "\"default-route\" argument. You may not use this server for any abusive or illegal"
einfo "purposes. It is for quick testing only."
einfo
einfo "More info on getting started can be found at: https://www.wireguard.com/quickstart/"
einfo
fi
if use module; then
local old new
if [[ $(uname -r) != "${KV_FULL}" ]]; then
ewarn
ewarn "You have just built WireGuard for kernel ${KV_FULL}, yet the currently running"
ewarn "kernel is $(uname -r). If you intend to use this WireGuard module on the currently"
ewarn "running machine, you will first need to reboot it into the kernel ${KV_FULL}, for"
ewarn "which this module was built."
ewarn
elif [[ -f /sys/module/wireguard/version ]] && \
old="$(< /sys/module/wireguard/version)" && \
new="$(modinfo -F version "${ROOT}/lib/modules/${KV_FULL}/net/wireguard.ko" 2>/dev/null)" && \
[[ $old != "$new" ]]; then
ewarn
ewarn "You appear to have just upgraded WireGuard from version v$old to v$new."
ewarn "However, the old version is still running on your system. In order to use the"
ewarn "new version, you will need to remove the old module and load the new one. As"
ewarn "root, you can accomplish this with the following commands:"
ewarn
ewarn " # rmmod wireguard"
ewarn " # modprobe wireguard"
ewarn
ewarn "Do note that doing this will remove current WireGuard interfaces, so you may want"
ewarn "to gracefully remove them yourself prior."
ewarn
fi
fi
}
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