aboutsummaryrefslogtreecommitdiffstats
path: root/package/6to4/files
diff options
context:
space:
mode:
Diffstat (limited to 'package/6to4/files')
-rwxr-xr-xpackage/6to4/files/6to4.sh55
1 files changed, 12 insertions, 43 deletions
diff --git a/package/6to4/files/6to4.sh b/package/6to4/files/6to4.sh
index c2e911a6ef..5a1ad47594 100755
--- a/package/6to4/files/6to4.sh
+++ b/package/6to4/files/6to4.sh
@@ -4,20 +4,11 @@
[ -n "$INCLUDE_ONLY" ] || {
. /lib/functions.sh
+ . /lib/functions/network.sh
. ../netifd-proto.sh
init_proto "$@"
}
-find_6to4_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_6to4_wanip() {
- local ip=$(ip -4 a s dev "$1"); ip="${ip#*inet }"
- echo "${ip%%[^0-9.]*}"
-}
-
find_6to4_prefix() {
local ip4="$1"
local oIFS="$IFS"; IFS="."; set -- $ip4; IFS="$oIFS"
@@ -119,46 +110,24 @@ proto_6to4_setup() {
local iface="$2"
local link="6to4-$cfg"
- json_get_var mtu mtu
- json_get_var ttl ttl
- json_get_var local4 ipaddr
-
- json_get_var adv_subnet adv_subnet
- json_get_var adv_interface adv_interface
- json_get_var adv_valid_lifetime adv_valid_lifetime
- json_get_var adv_preferred_lifetime adv_preferred_lifetime
-
- local wanif=$(find_6to4_wanif)
- [ -z "$wanif" ] && {
- tun_error "$cfg" "NO_WAN_LINK"
- return
- }
-
- . /lib/network/config.sh
- local wancfg="$(find_config "$wanif")"
- [ -z "$wancfg" ] && {
- tun_error "$cfg" "NO_WAN_LINK"
- return
- }
+ local mtu ttl ipaddr adv_subnet adv_interface adv_valid_lifetime adv_preferred_lifetime
+ json_get_vars mtu ttl ipaddr adv_subnet adv_interface adv_valid_lifetime adv_preferred_lifetime
- # If local4 is unset, guess local IPv4 address from the
- # interface used by the default route.
- [ -z "$local4" ] && {
- [ -n "$wanif" ] && local4=$(find_6to4_wanip "$wanif")
- }
-
- [ -z "$local4" ] && {
- tun_error "$cfg" "NO_WAN_LINK"
- return
+ [ -z "$ipaddr" ] && {
+ local wanif
+ if ! network_find_wan wanif || ! network_get_ipaddr ipaddr "$wanif"; then
+ tun_error "$cfg" "NO_WAN_LINK"
+ return
+ fi
}
- test_6to4_rfc1918 "$local4" && {
+ test_6to4_rfc1918 "$ipaddr" && {
tun_error "$cfg" "INVALID_LOCAL_ADDRESS"
return
}
# find our local prefix
- local prefix6=$(find_6to4_prefix "$local4")
+ local prefix6=$(find_6to4_prefix "$ipaddr")
local local6="$prefix6::1"
proto_init_update "$link" 1
@@ -169,7 +138,7 @@ proto_6to4_setup() {
json_add_string mode sit
json_add_int mtu "${mtu:-1280}"
json_add_int ttl "${ttl:-64}"
- json_add_string local "$local4"
+ json_add_string local "$ipaddr"
proto_close_tunnel
proto_send_update "$cfg"