tags/qemu-networking-1/qemu-networking.in

#!/bin/sh

source @@confddir@@/qemu-networking

checkconfig()
{
	if [ -z "${VMNETWORK}" ] ||
		[ -z "${VMROUTERIP}" ] ||
		[ -z "${BRIDGEDEV}" ] ||
		[ -z "${TAPDEV}" ]
	then
		logger -s -p daemon.err -t qemu-networking.service \
			"Qemu Networking not set up, please edit /etc/conf.d/qemu-networking"
		return 1
	fi

	if [ ! -x $(which iptables 2>/dev/null) ]
	then
		logger -s -p daemon.err -t qemu-networking.service \
			"No 'iptables' executable found, please install 'net-misc/iptables'"
		return 1
	fi

	if [ ! -x $(which vde_switch 2>/dev/null) ]
	then
		logger -s -p daemon.err -t qemu-networking.service \
			"No 'vde_switch' executable found, please install 'net-misc/vde2'"
		return 1
	fi

	if [ ! -x $(which sysctl 2>/dev/null) ]
	then
		logger -s -p daemon.err -t qemu-networking.service \
			"No 'sysctl' executable found, please install 'sys-apps/procps'"
		return 1
	fi

	return 0
}

case $1 in
	start)
		checkconfig || exit 6

		# create interface
		vde_switch -tap ${TAPDEV} -daemon -mod 660 -group kvm -p /var/run/vde-qemu.pid
		ifconfig ${TAPDEV} ${VMROUTERIP} up

		# maquerade and forward
		sysctl -q -w net.ipv4.ip_forward=1
		iptables -t nat -A POSTROUTING -s ${VMNETWORK} -o ${BRIDGEDEV} -j MASQUERADE
		;;

	stop)
		checkconfig || exit 6

		# maquerade and forward
		iptables -t nat -D POSTROUTING -s ${VMNETWORK} -o ${BRIDGEDEV} -j MASQUERADE

		# destroy interface
		ifconfig ${TAPDEV} down
		kill -15 $(< /var/run/vde-qemu.pid)
		;;
esac
1	#!/bin/sh
2
3	source @@confddir@@/qemu-networking
4
5	checkconfig()
6	{
7	if [ -z "${VMNETWORK}" ] \|\|
8	[ -z "${VMROUTERIP}" ] \|\|
9	[ -z "${BRIDGEDEV}" ] \|\|
10	[ -z "${TAPDEV}" ]
11	then
12	logger -s -p daemon.err -t qemu-networking.service \
13	"Qemu Networking not set up, please edit /etc/conf.d/qemu-networking"
14	return 1
15	fi
16
17	if [ ! -x $(which iptables 2>/dev/null) ]
18	then
19	logger -s -p daemon.err -t qemu-networking.service \
20	"No 'iptables' executable found, please install 'net-misc/iptables'"
21	return 1
22	fi
23
24	if [ ! -x $(which vde_switch 2>/dev/null) ]
25	then
26	logger -s -p daemon.err -t qemu-networking.service \
27	"No 'vde_switch' executable found, please install 'net-misc/vde2'"
28	return 1
29	fi
30
31	if [ ! -x $(which sysctl 2>/dev/null) ]
32	then
33	logger -s -p daemon.err -t qemu-networking.service \
34	"No 'sysctl' executable found, please install 'sys-apps/procps'"
35	return 1
36	fi
37
38	return 0
39	}
40
41	case $1 in
42	start)
43	checkconfig \|\| exit 6
44
45	# create interface
46	vde_switch -tap ${TAPDEV} -daemon -mod 660 -group kvm -p /var/run/vde-qemu.pid
47	ifconfig ${TAPDEV} ${VMROUTERIP} up
48
49	# maquerade and forward
50	sysctl -q -w net.ipv4.ip_forward=1
51	iptables -t nat -A POSTROUTING -s ${VMNETWORK} -o ${BRIDGEDEV} -j MASQUERADE
52	;;
53
54	stop)
55	checkconfig \|\| exit 6
56
57	# maquerade and forward
58	iptables -t nat -D POSTROUTING -s ${VMNETWORK} -o ${BRIDGEDEV} -j MASQUERADE
59
60	# destroy interface
61	ifconfig ${TAPDEV} down
62	kill -15 $(< /var/run/vde-qemu.pid)
63	;;
64	esac