From: Roy Marples <roy@marples.name>
Date: Tue, 9 Aug 2022 16:26:37 +0000 (+0100)
Subject: hooks: Support timesyncd
X-Git-Tag: v10.0.0~56
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2f070c7d2003a4f08ba0eed49c2fb8f5507eab07;p=thirdparty%2Fdhcpcd.git

hooks: Support timesyncd

Fixes #106
---

diff --git a/configure b/configure
index 9b8e4403..8ff66a1a 100755
--- a/configure
+++ b/configure
@@ -1707,6 +1707,21 @@ if ! $HOOKSET; then
 		echo "NTP will default to $NTPD"
 	fi
 
+	printf "Checking for timesyncd ... "
+	TIMESYNCD=
+	for x in /usr/lib/systemd/systemd-timesyncd; do
+		if [ -x "$x" ]; then
+			TIMESYNCD=$x
+			break
+		fi
+	done
+	if [ -n "$TIMESYNCD" ]; then
+		echo "$TIMESYNCD"
+		HOOKS="$HOOKS${HOOKS:+ }50-timesyncd.conf"
+	else
+		echo "not found"
+	fi
+
 	printf "Checking for ypbind ... "
 	YPBIND=$(_which ypbind)
 	if [ -n "$YPBIND" ]; then
diff --git a/hooks/50-timesyncd.conf b/hooks/50-timesyncd.conf
new file mode 100644
index 00000000..064e0c03
--- /dev/null
+++ b/hooks/50-timesyncd.conf
@@ -0,0 +1,39 @@
+: ${timesyncd_conf_d:=/run/systemd/timesyncd.conf.d}
+timesyncd_conf="${timesyncd_conf_d}/dhcpcd-$ifname.conf"
+timesyncd_tmp_d="$state_dir/timesyncd"
+timesyncd_tmp="$timesyncd_tmp_d/$ifname"
+
+NL="
+"
+
+add_timesyncd_conf()
+{
+	[ -n "$new_ntp_servers" ] || return
+
+	mkdir -p "$timesyncd_tmp_d" "$timesyncd_conf_d"
+
+	conf="$signature$NL"
+	conf="${conf}[Time]$NL"
+	conf="${conf}NTP=$new_ntp_servers$NL"
+
+	printf %s "$conf" > "$timesyncd_tmp"
+	if change_file "$timesyncd_conf" "$timesyncd_tmp"; then
+		systemctl try-reload-or-restart systemd-timesyncd
+	fi
+}
+
+remove_timesyncd_conf()
+{
+	if [ -e "$timesyncd_conf" ]; then
+		rm "$timesyncd_conf"
+		systemctl try-reload-or-restart systemd-timesyncd
+	fi
+}
+
+if $if_configured; then
+	if $if_up; then
+		add_timesyncd_conf
+	elif $if_down; then
+		remove_timesyncd_conf
+	fi
+fi