You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.2 KiB
43 lines
1.2 KiB
#!/bin/zsh
|
|
set -u
|
|
|
|
default_info="$(route -n get default 2>/dev/null || true)"
|
|
default_if="$(printf '%s\n' "$default_info" | awk '/interface:/{print $2; exit}')"
|
|
gateway="$(printf '%s\n' "$default_info" | awk '/gateway:/{print $2; exit}')"
|
|
|
|
if [[ -n "${default_if:-}" && "$default_if" == utun* ]]; then
|
|
echo "Default route is currently $default_if. Disconnect WireGuard/VPN first." >&2
|
|
exit 1
|
|
fi
|
|
|
|
if [[ -z "${gateway:-}" ]]; then
|
|
echo "Could not determine normal default gateway." >&2
|
|
exit 1
|
|
fi
|
|
|
|
while IFS= read -r line; do
|
|
line="${line//$'\r'/}"
|
|
|
|
# Try to extract:
|
|
# - plain IPv4
|
|
# - IPv4/CIDR
|
|
# - relayed-address=IPv4:port -> use only IPv4
|
|
remote="$(printf '%s\n' "$line" | sed -nE '
|
|
s/.*relayed-address=(([0-9]{1,3}\.){3}[0-9]{1,3}):[0-9]+.*/\1/p
|
|
t done
|
|
s/^(([0-9]{1,3}\.){3}[0-9]{1,3}\/[0-9]{1,2})$/\1/p
|
|
t done
|
|
s/^(([0-9]{1,3}\.){3}[0-9]{1,3})$/\1/p
|
|
:done
|
|
')"
|
|
|
|
[[ -z "$remote" ]] && continue
|
|
|
|
if [[ "$remote" == */* ]]; then
|
|
sudo route -n delete -net "$remote" >/dev/null 2>&1 || true
|
|
sudo route -n add -net "$remote" "$gateway" || true
|
|
else
|
|
sudo route -n delete -host "$remote" >/dev/null 2>&1 || true
|
|
sudo route -n add -host "$remote" "$gateway" || true
|
|
fi
|
|
done
|
|
|