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10-keenetic-udp-fix: auto discover wan interfaces

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bol-van 2024-11-19 22:09:40 +03:00
parent 50a52d79ec
commit ac7385391e
1 changed files with 9 additions and 10 deletions
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19
init.d/sysv/custom.d.examples/10-keenetic-udp-fix
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@ -2,19 +2,18 @@
# Keenetic uses proprietary ndmmark and does not masquerade without this mark
# If not masqueraded packets go to WAN with LAN IP and get dropped by ISP
# !!! MUST set IFACE_WAN in config !!!
# It's advised to set IFACE_WAN in config
zapret_custom_firewall()
{
# $1 - 1 - add, 0 - stop
# $1 - 1 - add, 0 - stop
local wan
local wan wanif
ipt_print_op $1 "-j MASQUERADE" "keenetic udp fix"
if [ -n "$IFACE_WAN" ] ; then
for wan in $IFACE_WAN; do
ipt_add_del $1 POSTROUTING -t nat -o $wan -j MASQUERADE
done
fi
# use IFACE_WAN if defined. if not - search for interfaces with default route.
wanif=${IFACE_WAN:-$(sed -nre 's/^([^\t]+)\t00000000\t[0-9A-F]{8}\t[0-9A-F]{4}\t[0-9]+\t[0-9]+\t[0-9]+\t00000000.*$/\1/p' /proc/net/route | sort -u | xargs)}
for wan in $wanif; do
ipt_print_op $1 "-o $wan -j MASQUERADE" "keenetic udp fix"
ipt_add_del $1 POSTROUTING -t nat -o $wan -j MASQUERADE
done
}