Files
docker-vsftpd/entry.sh

73 lines
1.7 KiB
Bash
Executable File

#!/usr/bin/env bash
# vsftpd container entrypoint script
set -e
[[ "${DEBUG}" == "true" ]] && set -x
# Replace variables in config files
for file in /templates/*; do
if [[ -f "$file" ]]; then
filename=$(basename "$file")
envsubst < "$file" > "/etc/$filename"
echo "Created /etc/${filename}"
fi
done
# Generate password if hash not set
if [[ -n "${FTP_PASSWORD}" ]] && [[ -z "${FTP_PASSWORD_HASH}" ]]; then
FTP_PASSWORD_HASH="$(echo "${FTP_PASSWORD}" | mkpasswd -s -m sha-512)"
fi
if [[ -n "${FTP_USER}" ]] || [[ -n "${FTP_PASSWORD_HASH}" ]]; then
/add-virtual-user.sh -d "${FTP_USER}" "${FTP_PASSWORD_HASH}"
fi
# Support multiple users
while read -r user; do
IFS=: read -r name pass <<< "${!user}"
echo "Adding user ${name}"
/add-virtual-user.sh "${name}" "${pass}"
done < <(env | grep "FTP_USER_" | sed 's/^\(FTP_USER_[a-zA-Z0-9]*\)=.*/\1/')
# Support user directories
if [[ -n "${FTP_USERS_ROOT}" ]]; then
# shellcheck disable=SC2016
sed -i 's/local_root=.*/local_root=\/srv\/$USER/' /etc/vsftpd*.conf
fi
# Support setting the passive address
if [[ -n "$FTP_PASV_ADDRESS" ]]; then
for f in /etc/vsftpd*.conf; do
echo "pasv_address=${FTP_PASV_ADDRESS}" >> "$f"
done
fi
# Manage /srv permissions
if [[ -n "${FTP_CHOWN_ROOT}" ]]; then
chown ftp:ftp /srv
fi
vsftpd_stop() {
echo "Received SIGINT or SIGTERM. Shutting down vsftpd"
# Get PID
pid="$(cat /var/run/vsftpd/vsftpd.pid)"
# Set TERM
kill -SIGTERM "${pid}"
# Wait for exit
wait "${pid}"
# All done.
echo "Done"
}
if [[ "${1}" == "vsftpd" ]]; then
trap vsftpd_stop SIGINT SIGTERM
echo "Running ${*}"
"${@}" &
pid="${!}"
echo "${pid}" > /var/run/vsftpd/vsftpd.pid
wait "${pid}" && exit ${?}
else
exec "${@}"
fi