Add resolvconf(8) which manages resolv.conf.

etc/mtree/BSD.root.dist

@@ -72,6 +72,8 @@
         ..
     ..
     libexec
+        resolvconf
+        ..
     ..
     media
     ..

sbin/Makefile

@@ -62,6 +62,7 @@ SUBDIR=adjkerntz \
 	rcorder \
 	reboot \
 	recoverdisk \
+	resolvconf \
 	restore \
 	route \
 	savecore \

sbin/resolvconf/Makefile

@@ -0,0 +1,37 @@
+# $FreeBSD$
+
+DIST=		${.CURDIR}/../../contrib/openresolv
+.PATH:		${DIST}
+
+SCRIPTS=	resolvconf
+
+FILES=		libc dnsmasq named pdnsd unbound
+FILESDIR=	/libexec/resolvconf
+
+MAN=		resolvconf.conf.5 resolvconf.8
+
+CLEANFILES=	${SCRIPTS} ${FILES} ${MAN}
+
+SYSCONFDIR=	/etc
+RCDIR=		${SYSCONFDIR}/rc.d
+VARDIR=		/var/run/resolvconf
+
+# We don't assume to restart the services in /sbin.  So, though
+# our service(8) is in /usr/sbin, we can use it, here.
+CMD1=		\1 onestatus >/dev/null 2>\&1
+CMD2=		\1 restart
+RESTARTCMD=	/usr/sbin/service ${CMD1} \&\& /usr/sbin/service ${CMD2}
+
+.for f in ${SCRIPTS} ${FILES} ${MAN}
+${f}:	${f}.in
+	sed -e 's:@PREFIX@::g' \
+		-e 's:@SYSCONFDIR@:${SYSCONFDIR}:g' \
+		-e 's:@LIBEXECDIR@:${FILESDIR}:g' \
+		-e 's:@VARDIR@:${VARDIR}:g' \
+		-e 's:@RESTARTCMD \(.*\)@:${RESTARTCMD}:g' \
+		-e 's:@RCDIR@:${RCDIR}:g' \
+		-e 's: vpn : ng[0-9]*&:g' \
+		${DIST}/$@.in > $@
+.endfor
+
+.include <bsd.prog.mk>