mirror of
https://github.com/ivanilves/xiringuito.git
synced 2025-05-16 15:20:10 -07:00
27 lines
760 B
Bash
Executable File
27 lines
760 B
Bash
Executable File
#!/usr/bin/env bash
|
|
#
|
|
# Setup client before establishing connection
|
|
#
|
|
set -e
|
|
|
|
if [[ ${#} -ne 2 ]]; then
|
|
echo "Usage: ${0} TUNNEL_ID IP_BASE"
|
|
exit 1
|
|
fi
|
|
|
|
declare -r TUNNEL_ID=${1}
|
|
declare -r IP_BASE=${2}
|
|
|
|
declare -r NETWORK_DEVICE=tun${TUNNEL_ID}
|
|
let CLIENT_LAST_IP_ADDR_OCTET="4*(${TUNNEL_ID}-1)+1"
|
|
let SERVER_LAST_IP_ADDR_OCTET="4*(${TUNNEL_ID}-1)+2"
|
|
declare -r CLIENT_IP_ADDR=${IP_BASE}.${CLIENT_LAST_IP_ADDR_OCTET}
|
|
declare -r SERVER_IP_ADDR=${IP_BASE}.${SERVER_LAST_IP_ADDR_OCTET}
|
|
|
|
if [[ ! $(sudo ip link | grep " ${NETWORK_DEVICE}: ") ]]; then
|
|
sudo modprobe tun
|
|
sudo ip tuntap add mode tun user ${USER} ${NETWORK_DEVICE}
|
|
sudo ip link set ${NETWORK_DEVICE} up
|
|
sudo ip addr add ${CLIENT_IP_ADDR}/32 peer ${SERVER_IP_ADDR} dev ${NETWORK_DEVICE}
|
|
fi
|