What is the correct script syntax in bash?

Question

linux

I'm not familiar with Linux systems, I'm trying to create a script.
Please help.
CentOS, 64 bit.
When running in a shell

yes | /usr/src/forticlientsslvpn/forticlientsslvpn_cli --server 178.207.157.170:10443 --vpnuser calluser > /dev/null

You are prompted to enter a password

Password for VPN:

I enter it, the vpn tunnel rises.
The task is to write a script and put it in cron to keep the vpn alive.
This is where my difficulties begin.
1) When doing

#!/bin/sh
### BEGIN INIT INFO
# Provides:  pppd
# Required-Start: $all
# Required-Stop: $all
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Forticlient bkk
# Description: Connect bkk forticlient.
### END INIT INFO
cd /usr/src/forticlientsslvpn/
#empty -f -i in -o out cd /usr/src/forticlientsslvpn/
empty -f -i in -o out yes | /usr/src/forticlientsslvpn/forticlientsslvpn_cli --server 178.207.157.170:10443 --vpnuser user > /dev/null

forticlientsslvpn_cli tries to find certificates in the /root/.fctsslvpn_trustca directory, they are obviously not there. How can I make the script run in the execution context from the /usr/src/forticlientsslvpn/ directory so that it looks for certificates as it is written in the ./helper/ directory (ie /usr/src/forticlientsslvpn/helper/)?
2) how to pass the password to the script to connect to vpn, so that you do not need to enter it manually?

Answer 1

what if you make a link to /root/.fctsslvpn_trustca?
and at the expense of the password, maybe there are keys?
forticlientsslvpn_cl --help

Answer 2

1) A crutch in my opinion.
2) expect to help you