build: allow for non-linux executors

executor-scripts/linux/dhcp

@@ -0,0 +1,56 @@
+#!/bin/sh
+
+set -e
+
+determine_implementation() {
+	[ -x /sbin/dhcpcd ] && echo "dhcpcd" && return
+	[ -x /usr/sbin/dhclient ] && echo "dhclient" && return
+	[ -x /sbin/udhcpc ] && echo "udhcpc" && return
+	echo "could not find a supported DHCP implementation"
+	exit 1
+}
+
+start() {
+	case "$1" in
+	dhcpcd)
+		[ -z "$IF_HOSTNAME" ] && optargs="$optargs -h $IF_HOSTNAME"
+		[ -z "$IF_VENDOR" ] && optargs="$optargs -i $IF_VENDOR"
+		[ -z "$IF_CLIENT" ] && optargs="$optargs -i $IF_CLIENT"
+		[ -z "$IF_LEASETIME" ] && optargs="$optargs -l $IF_LEASETIME"
+		/sbin/dhcpcd $optargs $IFACE
+	dhclient)
+		/usr/sbin/dhclient -pf /var/run/dhclient.$IFACE.pid $IFACE
+		;;
+	udhcpc)
+		/sbin/udhcpc -b -R -p /var/run/udhcpc.$IFACE.pid -i $IFACE
+		;;
+	*)
+		;;
+	esac
+}
+
+stop() {
+	case "$1" in
+	dhcpcd)
+		/sbin/dhcpcd -k $IFACE
+		;;
+	dhclient)
+		kill -9 $(cat /var/run/dhclient.$IFACE.pid) 2>/dev/null
+		;;
+	udhcpc)
+		kill $(cat /var/run/udhcpc.$IFACE.pid)
+		;;
+	*)
+		;;
+	esac
+}
+
+impl=$(determine_implementation)
+
+[ -z "$VERBOSE" ] || set -x
+
+case "$PHASE" in
+up) start $impl ;;
+down) stop $impl ;;
+*) ;;
+esac

executor-scripts/linux/ipv6-ra

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+start() {
+	echo 1 > /proc/sys/net/ipv6/conf/$IFACE/accept_ra
+}
+
+stop() {
+	echo 0 > /proc/sys/net/ipv6/conf/$IFACE/accept_ra
+}
+
+[ -z "$VERBOSE" ] || set -x
+
+case "$PHASE" in
+up) start $impl ;;
+down) stop $impl ;;
+*) ;;
+esac

executor-scripts/linux/static

@@ -0,0 +1,29 @@
+#!/bin/sh
+
+case "$PHASE" in
+up)	cmd="add" ;;
+down)	cmd="del" ;;
+*)	exit 0 ;;
+esac
+
+addr_family() {
+	if [ "$1" != "${1#*[0-9].[0-9]}" ]; then
+		echo "-4"
+	elif [ "$1" != "${1#*:[0-9a-fA-F]}" ]; then
+		echo "-6"
+	else
+		exit 1
+	fi
+}
+
+for i in $(ifquery -p address -i $INTERFACES_FILE $IFACE); do
+	addrfam=$(addr_family $i)
+
+	${MOCK} ip $addrfam addr $cmd $i dev $IFACE
+done
+
+for i in $(ifquery -p gateway -i $INTERFACES_FILE $IFACE); do
+	addrfam=$(addr_family $i)
+
+	${MOCK} ip $addrfam route $cmd default via $i
+done