#!/bin/sh

## Places public keys in ~/.ssh/authorized_keys

KEYS_SOURCE_FILE="/mnt/data/on_boot.d/settings/ssh/authorized_keys"
KEYS_TARGET_FILE="/root/.ssh/authorized_keys"

count_added=0
count_skipped=0
while read -r key; do
	# Places public key in ~/.ssh/authorized_keys if not present
	if ! grep -Fxq "$key" "$KEYS_TARGET_FILE"; then
		let count_added++
		echo "$key" >> "$KEYS_TARGET_FILE"
	else
	    let count_skipped++
	fi
done < "$KEYS_SOURCE_FILE"

echo "${count_added} keys added to ${KEYS_TARGET_FILE}"
if [ $count_skipped -gt 0 ]; then
    echo "${count_skipped} already added keys skipped"
fi

# Convert ssh key to dropbear for shell interaction
echo "Converting SSH private key to dropbear format"
dropbearconvert openssh dropbear /mnt/data/ssh/id_rsa /root/.ssh/id_dropbear

exit 0