EljakimHerrewijnen/Openwrt
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map: add a legacymap option

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The legacy map version based on the IPv6 Interface Identifier in
draft-ietf-softwire-map-03 was typically used by uncommenting the LEGACY
variable in the map.sh file, which is not ideal. A proper configuration
option is needed instead.

The IPv6 Interface Identifier format described in the draft was
eventually changed in RFC7597, but is still used by some major ISPs,
including in Japan.

Signed-off-by: Remi NGUYEN VAN <remi.nguyenvan+openwrt@gmail.com>
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com> [PKG_RELEASE increase]
This commit is contained in:
Remi NGUYEN VAN 2020-08-15 17:00:15 +09:00 committed by Hans Dedecker
parent 763ce13b0b
commit 1e696c6ced
2 changed files with 6 additions and 8 deletions
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2
package/network/ipv6/map/Makefile
View File

@ -8,7 +8,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=map
PKG_RELEASE:=5
PKG_RELEASE:=6
PKG_LICENSE:=GPL-2.0
include $(INCLUDE_DIR)/package.mk

12
package/network/ipv6/map/files/map.sh
View File

@ -25,12 +25,9 @@ proto_map_setup() {
local iface="$2"
local link="map-$cfg"
# uncomment for legacy MAP0 mode
#export LEGACY=1
local type mtu ttl tunlink zone encaplimit
local type legacymap mtu ttl tunlink zone encaplimit
local rule ipaddr ip4prefixlen ip6prefix ip6prefixlen peeraddr ealen psidlen psid offset
json_get_vars type mtu ttl tunlink zone encaplimit
json_get_vars type legacymap mtu ttl tunlink zone encaplimit
json_get_vars rule ipaddr ip4prefixlen ip6prefix ip6prefixlen peeraddr ealen psidlen psid offset
[ "$zone" = "-" ] && zone=""
@ -56,7 +53,7 @@ proto_map_setup() {
fi
echo "rule=$rule" > /tmp/map-$cfg.rules
RULE_DATA=$(mapcalc ${tunlink:-\*} $rule)
RULE_DATA=$(LEGACY="$legacymap" mapcalc ${tunlink:-\*} $rule)
if [ "$?" != 0 ]; then
proto_notify_error "$cfg" "INVALID_MAP_RULE"
proto_block_restart "$cfg"
@ -106,7 +103,7 @@ proto_map_setup() {
elif [ "$type" = "map-t" -a -f "/proc/net/nat46/control" ]; then
proto_init_update "$link" 1
local style="MAP"
[ "$LEGACY" = 1 ] && style="MAP0"
[ "$legacymap" = 1 ] && style="MAP0"
echo add $link > /proc/net/nat46/control
local cfgstr="local.style $style local.v4 $(eval "echo \$RULE_${k}_IPV4PREFIX")/$(eval "echo \$RULE_${k}_PREFIX4LEN")"
@ -229,6 +226,7 @@ proto_map_init_config() {
proto_config_add_int "psidlen"
proto_config_add_int "psid"
proto_config_add_int "offset"
proto_config_add_boolean "legacymap"
proto_config_add_string "tunlink"
proto_config_add_int "mtu"