mirror of
https://github.com/bol-van/zapret.git
synced 2024-12-24 15:16:45 +00:00
52 lines
1.4 KiB
Bash
52 lines
1.4 KiB
Bash
|
# there's no route_localnet for ipv6
|
||
|
|
# the best we can is to route to link local of the incoming interface
|
||
|
|
# OUTPUT - can DNAT to ::1
|
||
|
|
# PREROUTING - can't DNAT to ::1. can DNAT to link local of -i interface or to any global addr
|
||
|
|
# not a good idea to expose tpws to the world (bind to ::)
|
||
|
|
|
||
|
|
|
||
|
|
get_ipv6_linklocal()
|
||
|
|
{
|
||
|
|
# $1 - interface name. if empty - any interface
|
||
|
|
if exists ip ; then
|
||
|
|
local dev
|
||
|
|
[ -n "$1" ] && dev="dev $1"
|
||
|
|
ip addr show $dev | sed -e 's/^.*inet6 \([^ ]*\)\/[0-9]* scope link.*$/\1/;t;d' | head -n 1
|
||
|
|
else
|
||
|
|
ifconfig $1 | sed -re 's/^.*inet6 addr: ([^ ]*)\/[0-9]* Scope:Link.*$/\1/;t;d' | head -n 1
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
get_ipv6_global()
|
||
|
|
{
|
||
|
|
# $1 - interface name. if empty - any interface
|
||
|
|
if exists ip ; then
|
||
|
|
local dev
|
||
|
|
[ -n "$1" ] && dev="dev $1"
|
||
|
|
ip addr show $dev | sed -e 's/^.*inet6 \([^ ]*\)\/[0-9]* scope global.*$/\1/;t;d' | head -n 1
|
||
|
|
else
|
||
|
|
ifconfig $1 | sed -re 's/^.*inet6 addr: ([^ ]*)\/[0-9]* Scope:Global.*$/\1/;t;d' | head -n 1
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
iface_is_up()
|
||
|
|
{
|
||
|
|
# $1 - interface name
|
||
|
|
[ -f /sys/class/net/$1/operstate ] || return
|
||
|
|
local state
|
||
|
|
read state </sys/class/net/$1/operstate
|
||
|
|
[ "$state" != "down" ]
|
||
|
|
}
|
||
|
|
wait_ifup()
|
||
|
|
{
|
||
|
|
# $1 - interface name
|
||
|
|
local ct=0
|
||
|
|
while
|
||
|
|
iface_is_up $1 && return
|
||
|
|
[ "$ct" -ge "$IFUP_WAIT_SEC" ] && break
|
||
|
|
echo waiting for ifup of $1 for another $(($IFUP_WAIT_SEC - $ct)) seconds ...
|
||
|
|
ct=$(($ct+1))
|
||
|
|
sleep 1
|
||
|
|
do :; done
|
||
|
|
false
|
||
|
|
}
|