#!/bin/bash -eu

# Run this as your Linux user and WITHOUT sudo

############################################################################
#                                                                          #
# Check for IPv6                                                           #
#                                                                          #
############################################################################
# Check for assigned IPv6 addresses
ipv6_addresses=$(ip -6 addr show | grep -oP 'inet6 \K[0-9a-fA-F:]{1,}')

if [[ -n "$ipv6_addresses" ]]; then
    echo "IPv6 is enabled. Addresses:"
    echo "$ipv6_addresses"
    IPV6_TEST_RESULT="IPv6 Enabled"
else
    echo "IPv6 is not enabled."
    IPV6_TEST_RESULT="IPv6 not detected.  IPv4 Only"

fi
############################################################################
#                                                                          #
# Generate server-side SSH keys as the Linux user                         #
#                                                                          #
############################################################################
mkdir ~/.ssh/
echo "___________________"
echo "Generating server-side SSH key for pulling our repo.  Hit enter for default name, and again empty for pass (no pass). Just keep hitting enter"
ssh-keygen -t ed25519
echo
echo
echo "This is your server's public SSH key to give to Simplified Privacy."
echo
cat ~/.ssh/id_ed25519.pub
echo
echo "And tell them that your IPv6 test result is: $IPV6_TEST_RESULT"