#!/bin/bash
set -euo pipefail

for type in rsa dsa ecdsa ed25519; do
  if ! [ -e "/ssh/ssh_host_${type}_key" ]; then
    echo "/ssh/ssh_host_${type}_key not found, generating..."
    ssh-keygen -f "/ssh/ssh_host_${type}_key" -N '' -t ${type}
  fi

  ln -sf "/ssh/ssh_host_${type}_key" "/etc/ssh/ssh_host_${type}_key"
done

if ( id ${USER} ); then
    echo "INFO: User ${USER} already exists"
else
    echo "INFO: User ${USER} does not exists, we create it"
    ENC_PASS=$(echo ${PASS} | openssl passwd -1 -stdin)
    useradd -d /data -m -p ${ENC_PASS} -u ${USER_UID} -s /bin/sh ${USER}
fi

exec /usr/sbin/sshd -D