summaryrefslogtreecommitdiff
blob: eefd2899e047aee9fcac5e17f9c0db6a20c85beb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit 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 ~mips ppc ppc64 ~riscv sparc x86"
	fi
fi

S="${WORKDIR}/${P/_/-}"

LICENSE="GPL-2"
SLOT="0"
IUSE="+caps +cmdmon debug html ipv6 libedit libtomcrypt +nettle nss +ntp +nts +phc pps +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
	)
	libedit? ( dev-libs/libedit )
	!libedit? ( sys-libs/readline:= )
	nettle? ( dev-libs/nettle:= )
	nss? ( dev-libs/nss:= )
	nts? ( net-libs/gnutls:= )
	pps? ( net-misc/pps-tools )
	seccomp? ( sys-libs/libseccomp )
"
RDEPEND="
	${DEPEND}
	selinux? ( sec-policy/selinux-chronyd )
"
BDEPEND="
	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+=" virtual/w3m"
else
	BDEPEND+=" verify-sig? ( >=sec-keys/openpgp-keys-mlichvar-20210513 )"
fi

PATCHES=(
	"${FILESDIR}"/${PN}-3.5-pool-vendor-gentoo.patch
	"${FILESDIR}"/${PN}-4.1-systemd-gentoo.patch
	"${FILESDIR}"/${P}-seccomp-glibc-2-3-4.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)

		$(usex caps '' '--disable-linuxcaps')
		$(usex cmdmon '' '--disable-cmdmon')
		$(usex debug '--enable-debug' '')
		$(usex ipv6 '' '--disable-ipv6')
		$(usex libedit '' '--without-editline')
		$(usex libtomcrypt '' '--without-tomcrypt')
		$(usex nettle '' '--without-nettle')
		$(usex nss '' '--without-nss')
		$(usex ntp '' '--disable-ntp')
		$(usex nts '' '--disable-nts')
		$(usex nts '' '--without-gnutls')
		$(usex phc '' '--disable-phc')
		$(usex pps '' '--disable-pps')
		$(usex refclock '' '--disable-refclock')
		$(usex rtc '' '--disable-rtc')
		$(usex samba '--enable-ntp-signd' '')
		$(usex 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
	echo sh ./configure "${myconf[@]}" >&2
	sh ./configure "${myconf[@]}" || die
}

src_compile() {
	if [[ ${PV} == "9999" ]] ; then
		# Uses w3m
		emake -C doc man txt
	fi

	emake all docs $(usex 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 ntp:ntp /var/{lib,log}/chrony
		fperms 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 "- /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
}