#!/bin/sh
#
# DOCS:
#   https://docs.fortinet.com/document/fortigate/7.2.4/administration-guide/813125/public-key-ssh-access
#
set -e

ssh_pubkey="/root/.ssh/id_ed25519.pub"
ssh_keytype="ed25519"
ssh_user="admin"
ssh_host="${ssh_user}@192.168.2.1"
ssh_opts="-p 11422"

. util.sh # import ssh function after options are set

ssh_pubkey_data=$(cut -f2 -d' ' < "$ssh_pubkey") # cut: only keydata is needed

fg_updatekey_script="
execute batch start 
config system admin
    edit ${ssh_user}
        set ssh-public-key1 \"${ssh_keytype} ${ssh_pubkey_data}\"
    next
end
execute batch end
execute batch lastlog
" 

run_ssh_script "${fg_updatekey_script}"