aboutsummaryrefslogtreecommitdiffstats
path: root/package/6in4/files.old/6in4.sh
diff options
context:
space:
mode:
authorFelix Fietkau <nbd@openwrt.org>2012-03-19 21:10:04 +0000
committerFelix Fietkau <nbd@openwrt.org>2012-03-19 21:10:04 +0000
commit8634e64038b8e37b7f788f7f0e1e496a8a90ee05 (patch)
tree9e6d435125d75e64d7845f2ab45c52549b476bc1 /package/6in4/files.old/6in4.sh
parentb2bd2e8cd53d334c3ad41c7e4ac5c3a23493912e (diff)
downloadupstream-8634e64038b8e37b7f788f7f0e1e496a8a90ee05.tar.gz
upstream-8634e64038b8e37b7f788f7f0e1e496a8a90ee05.tar.bz2
upstream-8634e64038b8e37b7f788f7f0e1e496a8a90ee05.zip
6in4: add netifd support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31036 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/6in4/files.old/6in4.sh')
-rwxr-xr-xpackage/6in4/files.old/6in4.sh104
1 files changed, 104 insertions, 0 deletions
diff --git a/package/6in4/files.old/6in4.sh b/package/6in4/files.old/6in4.sh
new file mode 100755
index 0000000000..5f8dfffe57
--- /dev/null
+++ b/package/6in4/files.old/6in4.sh
@@ -0,0 +1,104 @@
+# 6in4.sh - IPv6-in-IPv4 tunnel backend
+# Copyright (c) 2010 OpenWrt.org
+
+find_6in4_wanif() {
+ local if=$(ip -4 r l e 0.0.0.0/0); if="${if#default* dev }"; if="${if%% *}"
+ [ -n "$if" ] && grep -qs "^ *$if:" /proc/net/dev && echo "$if"
+}
+
+find_6in4_wanip() {
+ local ip=$(ip -4 a s dev "$1"); ip="${ip#*inet }"
+ echo "${ip%%[^0-9.]*}"
+}
+
+# Hook into scan_interfaces() to synthesize a .device option
+# This is needed for /sbin/ifup to properly dispatch control
+# to setup_interface_6in4() even if no .ifname is set in
+# the configuration.
+scan_6in4() {
+ config_set "$1" device "6in4-$1"
+}
+
+coldplug_interface_6in4() {
+ setup_interface_6in4 "6in4-$1" "$1"
+}
+
+setup_interface_6in4() {
+ local iface="$1"
+ local cfg="$2"
+ local link="6in4-$cfg"
+
+ local local4=$(uci_get network "$cfg" ipaddr)
+
+ local remote4
+ config_get remote4 "$cfg" peeraddr
+
+ local local6
+ config_get local6 "$cfg" ip6addr
+
+ local mtu
+ config_get mtu "$cfg" mtu
+
+ local ttl
+ config_get ttl "$cfg" ttl
+
+ local metric
+ config_get metric "$cfg" metric
+
+ local defaultroute
+ config_get_bool defaultroute "$cfg" defaultroute 1
+
+ # If local4 is unset, guess local IPv4 address from the
+ # interface used by the default route.
+ [ -z "$local4" ] && {
+ local wanif=$(find_6in4_wanif)
+ [ -n "$wanif" ] && {
+ local4=$(find_6in4_wanip "$wanif")
+ uci_set_state network "$cfg" wan_device "$wanif"
+ }
+ }
+
+ [ -n "$local4" ] && {
+ # creating the tunnel below will trigger a net subsystem event
+ # prevent it from touching or iface by disabling .auto here
+ uci_set_state network "$cfg" ifname $link
+ uci_set_state network "$cfg" auto 0
+
+ ip tunnel add $link mode sit remote $remote4 local $local4 ttl ${ttl:-64}
+ ip link set $link up
+ ip link set mtu ${mtu:-1280} dev $link
+ ip addr add $local6 dev $link
+
+ uci_set_state network "$cfg" ipaddr $local4
+ uci_set_state network "$cfg" ip6addr $local6
+
+ [ "$defaultroute" = 1 ] && {
+ ip -6 route add ::/0 ${metric:+metric $metric} dev $link
+ uci_set_state network "$cfg" defaultroute 1
+ }
+
+ env -i ACTION="ifup" INTERFACE="$cfg" DEVICE="$link" PROTO=6in4 /sbin/hotplug-call "iface" &
+ } || {
+ echo "Cannot determine local IPv4 address for 6in4 tunnel $cfg - skipping"
+ }
+}
+
+stop_interface_6in4() {
+ local cfg="$1"
+ local link="6in4-$cfg"
+
+ local local6=$(uci_get_state network "$cfg" ip6addr)
+ local defaultroute=$(uci_get_state network "$cfg" defaultroute)
+
+ grep -qs "^ *$link:" /proc/net/dev && {
+ env -i ACTION="ifdown" INTERFACE="$cfg" DEVICE="$link" PROTO=6in4 /sbin/hotplug-call "iface" &
+
+ [ "$defaultroute" = "1" ] && {
+ ip -6 route del ::/0 dev $link
+ }
+
+ ip addr del $local6 dev $link
+ ip link set $link down
+ ip tunnel del $link
+ }
+}