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-rw-r--r--net/ip6to4.sh116
1 files changed, 0 insertions, 116 deletions
diff --git a/net/ip6to4.sh b/net/ip6to4.sh
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--- a/net/ip6to4.sh
+++ /dev/null
@@ -1,116 +0,0 @@
-# Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
-# Released under the 2-clause BSD license.
-
-_config_vars="$_config_vars link suffix relay"
-
-ip6to4_depend()
-{
- after interface
- program ip
-}
-
-ip6to4_pre_start()
-{
- # ALL interfaces run pre_start blocks, not just those with something
- # assigned, so we must check if we need to run on this interface before we
- # do so.
- local config
- eval config=\$config_${IFVAR}
- [ "$config" = "ip6to4" ] || return 0
-
- case " ${MODULES} " in
- *" ifconfig "*)
- if [ "${IFACE}" != "sit0" ]; then
- eerror "ip6to4 can only work on the sit0 interface using ifconfig"
- eerror "emerge sys-apps/iproute2 to use other interfaces"
- return 1
- fi
- esac
-
- local host= suffix= relay= addr= iface=${IFACE} config_ip6to4= localip=
- eval host=\$link_${IFVAR}
- if [ -z "${host}" ]; then
- eerror "link_${IFVAR} not set"
- return 1
- fi
-
- eval suffix=\${suffix_${IFVAR}:-1}
- eval relay=\${relay_${IFVAR}:-192.88.99.1}
-
- IFACE=${host}
- addrs=$(_get_inet_addresses)
- IFACE=${iface}
- if [ -z "${addrs}" ]; then
- eerror "${host} is not configured with an IPv4 address"
- return 1
- fi
-
- for addr in ${addrs}; do
- # Strip the subnet
- local ip="${addr%/*}" subnet="${addr#*/}"
- # We don't work on private IPv4 addresses
- case "${ip}" in
- 127.*) continue;;
- 10.*) continue;;
- 192.168.*) continue;;
- 172.*)
- local i=16
- while [ ${i} -lt 32 ]; do
- case "${ip}" in
- 172.${i}.*) break;;
- esac
- : $(( i += 1 ))
- done
- [ ${i} -lt 32 ] && continue
- ;;
- esac
-
- veinfo "IPv4 address on ${host}: ${ip}/${subnet}"
- local ipa= ip6= IFS="${IFS}."
- for i in ${ip}; do
- ipa="${ipa} ${i}"
- done
- unset IFS
- eval ip6="$(printf "2002:%02x%02x:%02x%02x::%s" ${ipa} ${suffix})"
- veinfo "Derived IPv6 address: ${ip6}"
-
- # Now apply our IPv6 address to our config
- config_ip6to4="${config_ip6to4}${config_ip6to4:+ }${ip6}/48"
-
- if [ -n "${localip}" ]; then
- localip="any"
- else
- localip="${ip}"
- fi
- done
-
- if [ -z "${config_ip6to4}" ]; then
- eerror "No global IPv4 addresses found on interface ${host}"
- return 1
- fi
-
- if [ "${IFACE}" != "sit0" ]; then
- ebegin "Creating 6to4 tunnel on ${IFACE}"
- _tunnel add "${IFACE}" mode sit ttl 255 remote any local "${localip}"
- eend $? || return 1
- _up
- fi
- routes_ip6to4="2003::/3 via ::${relay} metric 2147483647"
- service_set_value "config_ip6to4_$IFVAR" "$config_ip6to4"
- service_set_value "routes_ip6to4_$IFVAR" "$routes_ip6to4"
-}
-
-ip6to4_start()
-{
- local config_ip6to4=$(service_get_value "config_ip6to4_$IFVAR")
- local routes_ip6to4=$(service_get_value "routes_ip6to4_$IFVAR")
-
- # Now apply our config
- eval config_${config_index}=\'"${config_ip6to4}"\'
- : $(( config_index -= 1 ))
-
- # Add a route for us, ensuring we don't delete anything else
- local routes="$(_get_array "routes_${IFVAR}")
-$routes_ip6to4"
- eval routes_${IFVAR}=\$routes
-}