server-dotfiles/mail/setup.sh

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2020-07-14 11:07:33 +02:00
#!/bin/sh
##
# Wrapper for various setup scripts included in the docker-mailserver
#
CRI=
_check_root() {
if [[ $EUID -ne 0 ]]; then
echo "Curently docker-mailserver doesn't support podman's rootless mode, please run this script as root user."
exit 1
fi
}
if [ -z "$CRI" ]; then
if [ ! -z "$(command -v docker)" ]; then
CRI=docker
elif [ ! -z "$(command -v podman)" ]; then
CRI=podman
_check_root
else
echo "No Support Container Runtime Interface Detected."
exit 1
fi
fi
INFO=$($CRI ps \
--no-trunc \
--format "{{.Image}};{{.Names}}" \
--filter label=org.label-schema.name="docker-mailserver" | \
tail -1)
IMAGE_NAME=${INFO%;*}
CONTAINER_NAME=${INFO#*;}
DEFAULT_CONFIG_PATH="$(pwd)/config"
USE_CONTAINER=false
_update_config_path() {
if [ ! -z "$CONTAINER_NAME" ]; then
VOLUME=$(docker inspect $CONTAINER_NAME \
--format="{{range .Mounts}}{{ println .Source .Destination}}{{end}}" | \
grep "/tmp/docker-mailserver$" 2>/dev/null)
fi
if [ ! -z "$VOLUME" ]; then
CONFIG_PATH=$(echo $VOLUME | awk '{print $1}')
fi
}
if [ -z "$IMAGE_NAME" ]; then
if [ "$CRI" = "docker" ]; then
IMAGE_NAME=tvial/docker-mailserver:latest
elif [ "$CRI" = "podman" ]; then
IMAGE_NAME=docker.io/tvial/docker-mailserver:latest
fi
fi
_inspect() {
if _docker_image_exists "$IMAGE_NAME"; then
echo "Image: $IMAGE_NAME"
else
echo "Image: '$IMAGE_NAME' cant be found."
fi
if [ -n "$CONTAINER_NAME" ]; then
echo "Container: $CONTAINER_NAME"
echo "Config mount: $CONFIG_PATH"
else
echo "Container: Not running, please start docker-mailserver."
fi
}
_usage() {
echo "Usage: $0 [-i IMAGE_NAME] [-c CONTAINER_NAME] <subcommand> <subcommand> [args]
OPTIONS:
-i IMAGE_NAME The name of the docker-mailserver image, by default
'tvial/docker-mailserver:latest' for docker, and
'docker.io/tvial/docker-mailserver:latest' for podman.
-c CONTAINER_NAME The name of the running container.
-p PATH config folder path (default: $(pwd)/config)
SUBCOMMANDS:
email:
$0 email add <email> [<password>]
$0 email update <email> [<password>]
$0 email del <email>
$0 email restrict <add|del|list> <send|receive> [<email>]
$0 email list
alias:
$0 alias add <email> <recipient>
$0 alias del <email> <recipient>
$0 alias list
quota:
$0 quota set <email> [<quota>]
$0 quota del <email>
config:
$0 config dkim <keysize> (default: 2048)
$0 config ssl <fqdn>
relay:
$0 relay add-domain <domain> <host> [<port>]
$0 relay add-auth <domain> <username> [<password>]
$0 relay exclude-domain <domain>
debug:
$0 debug fetchmail
$0 debug fail2ban [<unban> <ip-address>]
$0 debug show-mail-logs
$0 debug inspect
$0 debug login <commands>
"
exit 1
}
_docker_image_exists() {
if ${CRI} history -q "$1" >/dev/null 2>&1; then
return 0
else
return 1
fi
}
if tty -s ; then
USE_TTY="-ti"
fi
_docker_image() {
if [ "$USE_CONTAINER" = true ]; then
# Reuse existing container specified on command line
${CRI} exec ${USE_TTY} "$CONTAINER_NAME" "$@"
else
# Start temporary container with specified image
if ! _docker_image_exists "$IMAGE_NAME"; then
echo "Image '$IMAGE_NAME' not found. Pulling ..."
${CRI} pull "$IMAGE_NAME"
fi
${CRI} run \
--rm \
-v "$CONFIG_PATH":/tmp/docker-mailserver \
${USE_TTY} "$IMAGE_NAME" $@
fi
}
_docker_container() {
if [ -n "$CONTAINER_NAME" ]; then
${CRI} exec ${USE_TTY} "$CONTAINER_NAME" "$@"
else
echo "The docker-mailserver is not running!"
exit 1
fi
}
while getopts ":c:i:p:" OPT; do
case $OPT in
c)
CONTAINER_NAME="$OPTARG"
USE_CONTAINER=true # Container specified, connect to running instance
;;
i)
IMAGE_NAME="$OPTARG"
;;
p)
case "$OPTARG" in
/*)
WISHED_CONFIG_PATH="$OPTARG"
;;
*)
WISHED_CONFIG_PATH="$(pwd)/$OPTARG"
;;
esac
if [ ! -d "$WISHED_CONFIG_PATH" ]; then
echo "Directory doesn't exist"
_usage
exit 1
fi
;;
\?)
echo "Invalid option: -$OPTARG" >&2
;;
esac
done
if [ ! -n "$WISHED_CONFIG_PATH" ]; then
# no wished config path
_update_config_path
if [ ! -n "$CONFIG_PATH" ]; then
CONFIG_PATH=$DEFAULT_CONFIG_PATH
fi
else
CONFIG_PATH=$WISHED_CONFIG_PATH
fi
shift $((OPTIND-1))
case $1 in
email)
shift
case $1 in
add)
shift
_docker_image addmailuser $@
;;
update)
shift
_docker_image updatemailuser $@
;;
del)
shift
_docker_image delmailuser $@
;;
restrict)
shift
_docker_container restrict-access $@
;;
list)
_docker_image listmailuser
;;
*)
_usage
;;
esac
;;
alias)
shift
case $1 in
add)
shift
_docker_image addalias $@
;;
del)
shift
_docker_image delalias $@
;;
list)
shift
_docker_image listalias $@
;;
*)
_usage
;;
esac
;;
quota)
shift
case $1 in
set)
shift
_docker_image setquota $@
;;
del)
shift
_docker_image delquota $@
;;
*)
_usage
;;
esac
;;
config)
shift
case $1 in
dkim)
_docker_image generate-dkim-config $2
;;
ssl)
_docker_image generate-ssl-certificate "$2"
;;
*)
_usage
;;
esac
;;
relay)
shift
case $1 in
add-domain)
shift
_docker_image addrelayhost $@
;;
add-auth)
shift
_docker_image addsaslpassword $@
;;
exclude-domain)
shift
_docker_image excluderelaydomain $@
;;
*)
_usage
;;
esac
;;
debug)
shift
case $1 in
fetchmail)
_docker_image debug-fetchmail
;;
fail2ban)
shift
_docker_container fail2ban $@
;;
show-mail-logs)
_docker_container cat /var/log/mail/mail.log
;;
inspect)
_inspect
;;
login)
shift
if [ -z "$1" ]; then
_docker_container /bin/bash
else
_docker_container /bin/bash -c "$@"
fi
;;
*)
_usage
;;
esac
;;
*)
_usage
;;
esac