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# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit edo systemd tmpfiles toolchain-funcs
DESCRIPTION="NTP client and server programs"
HOMEPAGE="https://chrony.tuxfamily.org/ https://git.tuxfamily.org/chrony/chrony.git"
if [[ ${PV} == 9999 ]] ; then
EGIT_REPO_URI="https://git.tuxfamily.org/chrony/chrony.git"
inherit git-r3
else
VERIFY_SIG_OPENPGP_KEY_PATH="${BROOT}"/usr/share/openpgp-keys/mlichvar.asc
inherit verify-sig
SRC_URI="https://download.tuxfamily.org/${PN}/${P/_/-}.tar.gz"
SRC_URI+=" verify-sig? ( https://download.tuxfamily.org/chrony/${P/_/-}-tar-gz-asc.txt -> ${P/_/-}.tar.gz.asc )"
if [[ ${PV} != *_pre* ]] ; then
KEYWORDS="~alpha ~amd64 arm arm64 ~hppa ~m68k ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
fi
fi
S="${WORKDIR}/${P/_/-}"
LICENSE="GPL-2"
SLOT="0"
IUSE="+caps +cmdmon debug html ipv6 libtomcrypt +nettle nss +ntp +nts +phc pps +readline +refclock +rtc samba +seccomp +sechash selinux"
# nettle > nss > libtomcrypt in configure
REQUIRED_USE="
sechash? ( || ( nettle nss libtomcrypt ) )
nettle? ( !nss )
nss? ( !nettle )
libtomcrypt? ( !nettle !nss )
!sechash? ( !nss )
!sechash? ( !nts? ( !nettle ) )
"
DEPEND="
caps? (
acct-group/ntp
acct-user/ntp
sys-libs/libcap
)
nettle? ( dev-libs/nettle:= )
nss? ( dev-libs/nss:= )
nts? ( net-libs/gnutls:= )
pps? ( net-misc/pps-tools )
readline? ( dev-libs/libedit )
seccomp? ( sys-libs/libseccomp )
"
RDEPEND="
${DEPEND}
selinux? ( sec-policy/selinux-chronyd )
"
# bison dep only for 4.3-r1 for ${P}-strict-prototypes-clang16.patch
BDEPEND="
sys-devel/bison
html? ( dev-ruby/asciidoctor )
nts? ( virtual/pkgconfig )
sechash? (
nettle? ( virtual/pkgconfig )
nss? ( virtual/pkgconfig )
)
"
if [[ ${PV} == 9999 ]] ; then
# Needed for doc generation in 9999
REQUIRED_USE+=" html"
BDEPEND+="
sys-devel/bison
virtual/w3m
"
else
BDEPEND+=" verify-sig? ( >=sec-keys/openpgp-keys-mlichvar-20210513 )"
fi
PATCHES=(
"${FILESDIR}"/${PN}-3.5-pool-vendor-gentoo.patch
"${FILESDIR}"/${PN}-4.2-systemd-gentoo.patch
"${FILESDIR}"/${P}-strict-prototypes-clang16.patch
)
src_prepare() {
default
sed -i \
-e 's:/etc/chrony\.conf:/etc/chrony/chrony.conf:g' \
doc/* examples/* || die
cp "${FILESDIR}"/chronyd.conf-r3 "${T}"/chronyd.conf || die
}
src_configure() {
if ! use caps ; then
sed -i \
-e 's/ -u ntp//' \
"${T}"/chronyd.conf examples/chronyd.service || die
fi
if ! use seccomp ; then
sed -i \
-e 's/ -F 2//' \
"${T}"/chronyd.conf examples/chronyd.service || die
fi
tc-export CC PKG_CONFIG
# Update from time to time with output from "date +%s"
# on a system that is time-synced.
export SOURCE_DATE_EPOCH=1607976314
# Not an autotools generated script
local myconf=(
$(use_enable seccomp scfilter)
$(usev !caps '--disable-linuxcaps')
$(usev !cmdmon '--disable-cmdmon')
$(usev debug '--enable-debug')
$(usev !ipv6 '--disable-ipv6')
# USE=readline here means "readline-like functionality"
# chrony only supports libedit in terms of the library providing
# it.
$(usev !readline '--without-editline --disable-readline')
$(usev !libtomcrypt '--without-tomcrypt')
$(usev !nettle '--without-nettle')
$(usev !nss '--without-nss')
$(usev !ntp '--disable-ntp')
$(usev !nts '--disable-nts')
$(usev !nts '--without-gnutls')
$(usev !phc '--disable-phc')
$(usev !pps '--disable-pps')
$(usev !refclock '--disable-refclock')
$(usev !rtc '--disable-rtc')
$(usev samba '--enable-ntp-signd')
$(usev !sechash '--disable-sechash')
--chronysockdir="${EPREFIX}/run/chrony"
--docdir="${EPREFIX}/usr/share/doc/${PF}"
--mandir="${EPREFIX}/usr/share/man"
--prefix="${EPREFIX}/usr"
--sysconfdir="${EPREFIX}/etc/chrony"
--with-hwclockfile="${EPREFIX}/etc/adjtime"
--with-pidfile="${EPREFIX}/run/chrony/chronyd.pid"
${EXTRA_ECONF}
)
# Print the ./configure call
edo ./configure "${myconf[@]}" || die
}
src_compile() {
if [[ ${PV} == 9999 ]] ; then
# Uses w3m
emake -C doc man txt
fi
emake all docs $(usev !html 'ADOC=true')
}
src_install() {
default
newinitd "${FILESDIR}"/chronyd.init-r2 chronyd
newconfd "${T}"/chronyd.conf chronyd
insinto /etc/${PN}
newins examples/chrony.conf.example1 chrony.conf
docinto examples
dodoc examples/*.example*
newtmpfiles - chronyd.conf <<<"d /run/chrony 0750 $(usex caps 'ntp ntp' 'root root')"
if use html ; then
docinto html
dodoc doc/*.html
fi
keepdir /var/{lib,log}/chrony
if use caps ; then
# Prepare a directory for the chrony.drift file (a la ntpsec)
# Ensures the environment is sane on new installs
# bug #711058
fowners -R ntp:ntp /var/{lib,log}/chrony
fperms -R 770 /var/lib/chrony
fi
insinto /etc/logrotate.d
newins "${FILESDIR}"/chrony-2.4-r1.logrotate chrony
systemd_dounit examples/chronyd.service
systemd_dounit examples/chrony-wait.service
systemd_enable_ntpunit 50-chrony chronyd.service
}
pkg_preinst() {
HAD_CAPS=0
HAD_SECCOMP=0
HAD_PRE_NEW_SECCOMP_LEVEL=0
# See https://dev.gentoo.org/~zmedico/portage/doc/portage.html#package-ebuild-phases-after-2.1.5
# in "Ebuild Phases" for an explanation of why we need to save the variable beforehand
if has_version 'net-misc/chrony[caps]' ; then
HAD_CAPS=1
fi
if has_version 'net-misc/chrony[seccomp]' ; then
HAD_SECCOMP=1
fi
if has_version '>=net-misc/chrony-4.1[seccomp]' ; then
# This version introduced a new filter level: -F 2
# It's a limited set of seccomp filters designed to be 'bare minimum'
HAD_PRE_NEW_SECCOMP_LEVEL=1
fi
}
pkg_postinst() {
tmpfiles_process chronyd.conf
if [[ -n "${REPLACING_VERSIONS}" ]] ; then
if use caps && ! [[ ${HAD_CAPS} -eq 1 ]] ; then
# bug #719876
ewarn "Please adjust permissions on ${EROOT}/var/{lib,log}/chrony to be owned by ntp:ntp"
ewarn "e.g. chown -R ntp:ntp ${EROOT}/var/{lib,log}/chrony"
ewarn "This is necessary for chrony to drop privileges"
elif ! use caps && [[ ${HAD_CAPS} -eq 0 ]] ; then
ewarn "Please adjust permissions on ${EROOT}/var/{lib,log}/chrony to be owned by root:root"
fi
fi
# See bug #783915 for general discussion on enabling seccomp filtering
# by default.
local show_seccomp_enable_msg=0
# Was seccomp disabled before and now enabled?
if [[ ${HAD_SECCOMP} -eq 0 ]] && use seccomp ; then
show_seccomp_enable_msg=1
fi
# Are we coming from an old version without the new 'minimal' filter?
# (-F 2)
if [[ ${HAD_PRE_NEW_SECCOMP_LEVEL} -eq 0 ]] ; then
show_seccomp_enable_msg=1
fi
if [[ ${show_seccomp_enable_msg} -eq 1 ]] ; then
elog "To enable seccomp in a stricter mode, please modify:"
elog "- ${EROOT}/etc/conf.d/chronyd for OpenRC"
elog "- systemctl edit chronyd for systemd"
elog "to use -F 1 or -F -1 instead of -F 2 (see man chronyd)"
elog "By default, we now use -F 2 which is a baseline/minimal filter."
fi
}
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