Merge net.OS into net

1 files changed, 241 insertions, 0 deletions

diff --git a/net/iproute2.sh b/net/iproute2.sh
new file mode 100644
index 0000000..de76537
--- /dev/null
+++ b/net/iproute2.sh
@@ -0,0 +1,241 @@
+# Copyright 2007-2008 Roy Marples <roy@marples.name>
+# All rights reserved. Released under the 2-clause BSD license.
+
+iproute2_depend()
+{
+	program /sbin/ip
+	provide interface
+	after ifconfig
+}
+
+_up()
+{
+	ip link set up dev "${IFACE}"
+}
+
+_down()
+{
+	ip link set down dev "${IFACE}"
+}
+
+_exists()
+{
+	grep -Eq "^[[:space:]]*${IFACE}:" /proc/net/dev
+}
+
+_ifindex()
+{
+	local line= i=-2
+	while read line; do
+		i=$((${i} + 1))
+		[ ${i} -lt 1 ] && continue
+		case "${line}" in
+			"${IFACE}:"*) echo "${i}"; return 0;;
+		esac
+	done < /proc/net/dev
+
+	# Return the next available index
+	i=$((${i} + 1))
+	echo "${i}"
+	return 1
+}
+
+_is_wireless()
+{
+	# Support new sysfs layout
+	[ -d /sys/class/net/"${IFACE}"/wireless ] && return 0
+
+	[ ! -e /proc/net/wireless ] && return 1
+	grep -Eq "^[[:space:]]*${IFACE}:" /proc/net/wireless
+}
+
+_set_flag()
+{
+	local flag=$1 opt="on"
+	if [ "${flag#-}" != "${flag}" ]; then
+		flag=${flag#-}
+		opt="off"
+	fi
+	ip link set "${IFACE}" "${flag}" "${opt}"
+}
+
+_get_mac_address()
+{
+	local mac=$(LC_ALL=C ip link show "${IFACE}" | sed -n \
+		-e 'y/abcdef/ABCDEF/' \
+		-e '/link\// s/^.*\<\(..:..:..:..:..:..\)\>.*/\1/p')
+
+	case "${mac}" in
+		00:00:00:00:00:00);;
+		44:44:44:44:44:44);;
+		FF:FF:FF:FF:FF:FF);;
+		"");;
+		*) echo "${mac}"; return 0;;
+	esac
+
+	return 1
+}
+
+_set_mac_address()
+{
+	ip link set address "$1" dev "${IFACE}"
+}
+
+_get_inet_addresses()
+{
+	LC_ALL=C ip -family inet addr show "${IFACE}" | \
+	sed -n -e 's/.*inet \([^ ]*\).*/\1/p'
+}
+
+_get_inet_address()
+{
+	set -- $(_get_inet_addresses)
+	[ $# = "0" ] && return 1
+	echo "$1"
+}
+
+_add_address()
+{
+	if [ "$1" = "127.0.0.1/8" -a "${IFACE}" = "lo" ]; then
+		ip addr add "$@" dev "${IFACE}" 2>/dev/null
+		return 0
+	fi
+
+	# Convert an ifconfig line to iproute2
+	if [ "$2" = "netmask" ]; then
+		local one="$1" three="$3"
+		shift; shift; shift
+		set -- "${one}/$(_netmask2cidr "${three}")" "$@"
+	fi
+	
+	#config=( "${config[@]//pointopoint/peer}" )
+	
+	# Always scope lo addresses as host unless specified otherwise
+	if [ "${IFACE}" = "lo" ]; then
+		set -- "$@" "scope" "host"
+	fi
+
+	# IPv4 specifics
+	case "$1" in
+		*.*.*.*)
+			case "$@" in
+				*" brd "*);;
+				*" broadcast "*);;
+				*) set -- "$@" brd +;;
+			esac
+			;;
+	esac
+
+	ip addr add dev "${IFACE}" "$@"
+}
+
+_add_route()
+{
+	if [ $# -eq 3 ]; then
+		set -- "$1" "$2" via "$3"
+	elif [ "$3" = "gw" ]; then
+		local one=$1 two=$2
+		shift; shift; shift
+		set -- "${one}" "${two}" via "$@"
+	fi
+
+	local cmd= have_metric=false 
+	while [ -n "$1" ]; do
+		case "$1" in
+			metric) cmd="${cmd} $1"; have_metric=true;;
+			netmask) cmd="${cmd}/$(_netmask2cidr "$2")"; shift;;
+			-host|-net);;
+			-A)	[ "$2" = "inet6" ] && shift;;
+			*) cmd="${cmd} $1";;
+		esac
+		shift
+	done
+
+	if ! ${have_metric} && [ -n "${metric}" ]; then
+		cmd="${cmd} metric ${metric}"
+	fi
+
+	ip route append ${cmd} dev "${IFACE}"
+	eend $?
+}
+
+_delete_addresses()
+{
+	ip addr flush dev "${IFACE}" scope global 2>/dev/null
+	ip addr flush dev "${IFACE}" scope site 2>/dev/null
+	if [ "${IFACE}" != "lo" ]; then
+		ip addr flush dev "${IFACE}" scope host 2>/dev/null
+	fi
+	return 0
+}
+
+_has_carrier()
+{
+	return 0
+}
+
+_tunnel()
+{
+	ip tunnel "$@"
+}
+
+iproute2_pre_start()
+{
+	# MTU support
+	local mtu=
+	eval mtu=\$mtu_${IFVAR}
+	[ -n "${mtu}" ] && ip link set mtu "${mtu}" dev "${IFACE}"
+
+	# TX Queue Length support
+	local len=
+	eval len=\$txqueuelen_${IFVAR}
+	[ -n "${len}" ] && ip link set txqueuelen "${len}" dev "${IFACE}"
+
+	local tunnel=
+	eval tunnel=\$iptunnel_${IFVAR}
+	if [ -n "${tunnel}" ]; then
+		# Set our base metric to 1000
+		metric=1000
+
+		ebegin "Creating tunnel ${IFVAR}"
+		ip tunnel add ${tunnel} name "${IFACE}"
+		eend $? || return 1
+		_up	
+	fi
+
+	return 0
+}
+
+_iproute2_ipv6_tentative()
+{
+	LC_ALL=C ip addr show dev "${IFACE}" | \
+		grep -q "^[[:space:]]*inet6 .* tentative"
+}
+
+iproute2_post_start()
+{
+	# Kernel may not have IP built in
+	if [ -e /proc/net/route ]; then
+		ip route flush table cache dev "${IFACE}"
+	fi
+
+	if _iproute2_ipv6_tentative; then
+		ebegin "Waiting for IPv6 addresses"
+		while true; do
+			_iproute2_ipv6_tentative || break
+		done
+		eend 0
+	fi
+}
+
+iproute2_post_stop()
+{
+	# Don't delete sit0 as it's a special tunnel
+	if [ "${IFACE}" != "sit0" ]; then
+		if [ -n "$(ip tunnel show "${IFACE}" 2>/dev/null)" ]; then
+			ebegin "Destroying tunnel ${IFACE}"
+			ip tunnel del "${IFACE}"
+			eend $?
+		fi
+	fi
+}