net-misc/ntp: Sync with Gentoo

It's from Gentoo commit 55b5e9ea732aa1e64a1cf20638139589c5ba9e58.

Signed-off-by: Flatcar Buildbot <buildbot@flatcar-linux.org>

sdk_container/src/third_party/portage-stable/net-misc/ntp/files/ntp-4.2.8_p18-r2-bind-fail-NULL-dereference.patch

@@ -0,0 +1,20 @@
+Patch supplied by Nick Bowler on https://bugs.gentoo.org/962770
+
+This avoids a NULL dereference in case ntp fails to bind() to a decided upon
+address that should be bound.
+--- ntp-4.2.8p18/ntpd/ntp_io.c.orig
++++ ntp-4.2.8p18/ntpd/ntp_io.c
+@@ -1921,11 +1921,11 @@
+ 		}
+ 		else {
+ 			DPRINT_INTERFACE(3,
+-				(ep, "updating ", " new - FAILED"));
++				(ep2, "updating ", " new - FAILED"));
+ 
+ 			msyslog(LOG_ERR,
+ 				"cannot bind address %s",
+-				stoa(&ep->sin));
++				stoa(&ep2->sin));
+ 		}
+ 		free(ep2);
+ 	}

sdk_container/src/third_party/portage-stable/net-misc/ntp/files/ntp-client.rc-r1

@@ -0,0 +1,31 @@
+#!/sbin/openrc-run
+# Copyright 1999-2013 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+depend() {
+	before cron portmap
+	after net
+	use dns logger
+}
+
+checkconfig() {
+	if ! command -v "${NTPCLIENT_CMD}" >/dev/null 2>&1 ; then
+		eerror "Please edit /etc/conf.d/ntp-client"
+		eerror "Unable to locate the client command ${NTPCLIENT_CMD}!"
+		return 1
+	fi
+	if [ -z "${NTPCLIENT_OPTS}" ] ; then
+		eerror "Please edit /etc/conf.d/ntp-client"
+		eerror "I need to know what server/options to use!"
+		return 1
+	fi
+	return 0
+}
+
+start() {
+	checkconfig || return $?
+
+	ebegin "Setting clock via the NTP client '${NTPCLIENT_CMD}'"
+	"${NTPCLIENT_CMD}" ${NTPCLIENT_OPTS}
+	eend $? "Failed to set clock"
+}

sdk_container/src/third_party/portage-stable/net-misc/ntp/metadata.xml

@@ -1,10 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-  <maintainer type="project">
-    <email>base-system@gentoo.org</email>
-    <name>Gentoo Base System</name>
-  </maintainer>
+  <!-- maintainer-needed -->
   <longdescription>
   NTP is a protocol designed to synchronize the clocks of computers over a network. NTP
   version 3 is an internet draft standard, formalized in RFC 1305. NTP version 4 is a

sdk_container/src/third_party/portage-stable/net-misc/ntp/ntp-4.2.8_p18-r2.ebuild

@@ -0,0 +1,169 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools flag-o-matic systemd tmpfiles
+
+MY_P=${P/_p/p}
+DESCRIPTION="Network Time Protocol suite/programs"
+HOMEPAGE="https://www.ntp.org/"
+SRC_URI="https://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-${PV:0:3}/${MY_P}.tar.gz"
+S="${WORKDIR}/${MY_P}"
+
+LICENSE="HPND BSD ISC"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux"
+IUSE="caps debug openntpd parse-clocks readline samba selinux snmp ssl +threads vim-syntax zeroconf"
+
+DEPEND="
+	>=dev-libs/libevent-2.0.9:=[threads(+)?]
+	readline? ( >=sys-libs/readline-4.1:= )
+	kernel_linux? ( caps? ( sys-libs/libcap ) )
+	zeroconf? ( net-dns/avahi[mdnsresponder-compat] )
+	snmp? ( net-analyzer/net-snmp )
+	ssl? ( dev-libs/openssl:= )
+	parse-clocks? ( net-misc/pps-tools )
+"
+RDEPEND="
+	${DEPEND}
+	acct-group/ntp
+	acct-user/ntp
+	selinux? ( sec-policy/selinux-ntp )
+	vim-syntax? ( app-vim/ntp-syntax )
+	!net-misc/ntpsec
+	!openntpd? ( !net-misc/openntpd )
+"
+BDEPEND="
+	acct-group/ntp
+	acct-user/ntp
+	virtual/pkgconfig
+"
+PDEPEND="openntpd? ( net-misc/openntpd )"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-4.2.8_p18-ipc-caps.patch # bug #533966
+	"${FILESDIR}"/${PN}-4.2.8-sntp-test-pthreads.patch # bug #563922
+	"${FILESDIR}"/${PN}-4.2.8_p14-add_cap_ipc_lock.patch # bug #711530
+	"${FILESDIR}"/${PN}-4.2.8_p15-configure-clang16.patch
+	"${FILESDIR}"/${PN}-4.2.8_p18-c99.patch # bug #956643
+	"${FILESDIR}"/${PN}-4.2.8_p18-r2-bind-fail-NULL-dereference.patch # bug #962770
+)
+
+src_prepare() {
+	default
+
+	# Make sure every build uses the same install layout, bug #539092
+	find sntp/loc/ -type f '!' -name legacy -delete || die
+
+	# bug #622754
+	eautoreconf
+
+	# Disable pointless checks.
+	touch .checkChangeLog .gcc-warning FRC.html html/.datecheck || die
+}
+
+src_configure() {
+	# Ancient codebase, lto-type-mismatch in testsuite in packetProcesisng.c
+	# where patching it then needs Ruby.
+	filter-lto
+
+	# bug #264109
+	append-cppflags -D_GNU_SOURCE
+	append-cflags -fno-strict-overflow
+
+	# https://bugs.gentoo.org/922508
+	append-lfs-flags
+
+	# avoid libmd5/libelf
+	export ac_cv_search_MD5Init=no ac_cv_header_md5_h=no
+	export ac_cv_lib_elf_nlist=no
+	# blah, no real configure options #176333
+	export ac_cv_header_dns_sd_h=$(usex zeroconf)
+	export ac_cv_lib_dns_sd_DNSServiceRegister=${ac_cv_header_dns_sd_h}
+	# Unity builds, we don't really need support for it, bug #804109
+	export PATH_RUBY=/bin/false
+
+	local myeconfargs=(
+		--cache-file="${S}"/config.cache
+
+		--with-lineeditlibs=readline,edit,editline
+		--with-yielding-select
+		--disable-local-libevent
+
+		# Increase the default memlimit from 32MiB to 128MiB, bug #533232
+		--with-memlock=256
+
+		# Avoid overriding the user's toolchain settings, bug #895802
+		--with-hardenfile=/dev/null
+
+		$(use_enable caps linuxcaps)
+		$(use_enable parse-clocks)
+		$(use_enable debug debugging)
+		$(use_with readline lineeditlibs readline)
+		$(use_enable samba ntp-signd)
+		$(use_with snmp ntpsnmpd)
+		$(use_with ssl crypto)
+		$(use_enable threads thread-support)
+	)
+
+	econf "${myeconfargs[@]}"
+}
+
+src_install() {
+	default
+
+	# Move ntpd/ntpdate to sbin, bug #66671
+	dodir /usr/sbin
+	mv "${ED}"/usr/bin/{ntpd,ntpdate} "${ED}"/usr/sbin/ || die "move to sbin"
+
+	dodoc INSTALL WHERE-TO-START
+
+	insinto /etc
+	doins "${FILESDIR}"/ntp.conf
+
+	newinitd "${FILESDIR}"/ntpd.rc-r2 ntpd
+	newconfd "${FILESDIR}"/ntpd.confd ntpd
+	newinitd "${FILESDIR}"/ntp-client.rc-r1 ntp-client
+	newconfd "${FILESDIR}"/ntp-client.confd ntp-client
+	newinitd "${FILESDIR}"/sntp.rc sntp
+	newconfd "${FILESDIR}"/sntp.confd sntp
+	if ! use caps ; then
+		sed -i "s|-u ntp:ntp||" "${ED}"/etc/conf.d/ntpd || die
+	fi
+	sed -i "s:/usr/bin:/usr/sbin:" "${ED}"/etc/init.d/ntpd || die
+
+	if use openntpd ; then
+		cd "${ED}" || die
+		rm usr/sbin/ntpd || die
+		rm etc/{conf,init}.d/ntpd || die
+		rm usr/share/man/man1/ntpd.1 || die
+	else
+		newtmpfiles "${FILESDIR}"/ntp.tmpfiles ntp.conf
+		systemd_newunit "${FILESDIR}"/ntpd.service-r2 ntpd.service
+		if use caps ; then
+			sed -i '/ExecStart/ s|$| -u ntp:ntp|' \
+				"${D}$(systemd_get_systemunitdir)"/ntpd.service \
+				|| die
+		fi
+		systemd_enable_ntpunit 60-ntpd ntpd.service
+	fi
+
+	systemd_newunit "${FILESDIR}"/ntpdate.service-r2 ntpdate.service
+	systemd_install_serviced "${FILESDIR}"/ntpdate.service.conf
+	systemd_newunit "${FILESDIR}"/sntp.service-r3 sntp.service
+	systemd_install_serviced "${FILESDIR}"/sntp.service.conf
+}
+
+pkg_postinst() {
+	if ! use openntpd; then
+		tmpfiles_process ntp.conf
+	fi
+
+	if grep -qs '^[^#].*notrust' "${EROOT}"/etc/ntp.conf ; then
+		eerror "The notrust option was found in your /etc/ntp.conf!"
+		ewarn "If your ntpd starts sending out weird responses,"
+		ewarn "then make sure you have keys properly setup and see"
+		ewarn "https://bugs.gentoo.org/41827"
+	fi
+}