378 lines
8.4 KiB
Bash
Executable File
378 lines
8.4 KiB
Bash
Executable File
#! /bin/bash
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# Wrapper for various setup scripts
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# included in docker-mailserver
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SCRIPT='SETUP'
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set -euEo pipefail
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trap '__log_err ${FUNCNAME[0]:-"?"} ${_:-"?"} ${LINENO:-"?"} ${?:-"?"}' ERR
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trap '_unset_vars || :' EXIT
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function __log_err
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{
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local FUNC_NAME LINE EXIT_CODE
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FUNC_NAME="${1} / ${2}"
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LINE="${3}"
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EXIT_CODE="${4}"
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printf "\n––– \e[1m\e[31mUNCHECKED ERROR\e[0m\n%s\n%s\n%s\n%s\n\n" \
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" – script = ${SCRIPT,,}.sh" \
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" – function = ${FUNC_NAME}" \
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" – line = ${LINE}" \
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" – exit code = ${EXIT_CODE}"
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}
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function _unset_vars
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{
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unset CDIR CRI INFO IMAGE_NAME CONTAINER_NAME DEFAULT_CONFIG_PATH
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unset USE_CONTAINER WISHED_CONFIG_PATH CONFIG_PATH VOLUME USE_TTY
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unset SCRIPT USING_SELINUX
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}
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function _get_current_directory
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{
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if dirname "$(readlink -f "${0}")" &>/dev/null
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then
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CDIR="$(cd "$(dirname "$(readlink -f "${0}")")" && pwd)"
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elif realpath -e -L "${0}" &>/dev/null
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then
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CDIR="$(realpath -e -L "${0}")"
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CDIR="${CDIR%/setup.sh}"
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fi
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}
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CDIR="$(pwd)"
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_get_current_directory
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CRI=
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INFO=
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IMAGE_NAME=
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CONTAINER_NAME='mail'
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DEFAULT_CONFIG_PATH="${CDIR}/config"
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USE_CONTAINER=false
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WISHED_CONFIG_PATH=
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CONFIG_PATH=
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VOLUME=
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USE_TTY=
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USING_SELINUX=
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function _check_root
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{
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if [[ ${EUID} -ne 0 ]]
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then
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echo "Curently docker-mailserver doesn't support podman's rootless mode, please run this script as root user."
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return 1
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fi
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}
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function _update_config_path
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{
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if [[ -n ${CONTAINER_NAME} ]]
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then
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VOLUME=$(${CRI} inspect "${CONTAINER_NAME}" \
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--format="{{range .Mounts}}{{ println .Source .Destination}}{{end}}" | \
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grep "/tmp/docker-mailserver$" 2>/dev/null)
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fi
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if [[ -n ${VOLUME} ]]
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then
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CONFIG_PATH=$(echo "${VOLUME}" | awk '{print $1}')
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fi
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}
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function _inspect
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{
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if _docker_image_exists "${IMAGE_NAME}"
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then
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echo "Image: ${IMAGE_NAME}"
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else
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echo "Image: '${IMAGE_NAME}' can’t be found."
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fi
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if [[ -n ${CONTAINER_NAME} ]]
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then
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echo "Container: ${CONTAINER_NAME}"
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echo "Config mount: ${CONFIG_PATH}"
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else
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echo "Container: Not running, please start docker-mailserver."
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fi
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}
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function _usage
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{
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echo "${SCRIPT,,}.sh Bootstrapping Script
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Usage: ${0} [-i IMAGE_NAME] [-c CONTAINER_NAME] <subcommand> <subcommand> [args]
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OPTIONS:
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-i IMAGE_NAME The name of the docker-mailserver image, by default
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'tvial/docker-mailserver:latest' for docker, and
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'docker.io/tvial/docker-mailserver:latest' for podman.
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-c CONTAINER_NAME The name of the running container.
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-p PATH Config folder path (default: ${CDIR}/config)
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-h Show this help dialogue
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-z Allow container access to the bind mount content
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that is shared among multiple containers
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on a SELinux-enabled host.
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-Z Allow container access to the bind mount content
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that is private and unshared with other containers
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on a SELinux-enabled host.
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SUBCOMMANDS:
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email:
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${0} email add <email> [<password>]
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${0} email update <email> [<password>]
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${0} email del <email>
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${0} email restrict <add|del|list> <send|receive> [<email>]
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${0} email list
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alias:
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${0} alias add <email> <recipient>
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${0} alias del <email> <recipient>
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${0} alias list
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quota:
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${0} quota set <email> [<quota>]
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${0} quota del <email>
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config:
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${0} config dkim <keysize> (default: 2048)
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${0} config ssl <fqdn>
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relay:
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${0} relay add-domain <domain> <host> [<port>]
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${0} relay add-auth <domain> <username> [<password>]
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${0} relay exclude-domain <domain>
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debug:
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${0} debug fetchmail
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${0} debug fail2ban [<unban> <ip-address>]
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${0} debug show-mail-logs
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${0} debug inspect
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${0} debug login <commands>
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help: Show this help dialogue
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"
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}
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function _docker_image_exists
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{
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if ${CRI} history -q "${1}" >/dev/null 2>&1
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then
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return 0
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else
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return 1
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fi
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}
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function _docker_image
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{
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if ${USE_CONTAINER}
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then
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# reuse existing container specified on command line
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${CRI} exec "${USE_TTY}" "${CONTAINER_NAME}" "${@}"
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else
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# start temporary container with specified image
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if ! _docker_image_exists "${IMAGE_NAME}"
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then
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echo "Image '${IMAGE_NAME}' not found. Pulling ..."
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${CRI} pull "${IMAGE_NAME}"
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fi
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${CRI} run --rm \
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-v "${CONFIG_PATH}":/tmp/docker-mailserver"${USING_SELINUX}" \
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"${USE_TTY}" "${IMAGE_NAME}" "${@}"
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fi
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}
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function _docker_container
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{
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if [[ -n ${CONTAINER_NAME} ]]
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then
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${CRI} exec "${USE_TTY}" "${CONTAINER_NAME}" "${@}"
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else
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echo "The docker-mailserver is not running!"
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exit 5
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fi
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}
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function _main
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{
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if [[ -n $(command -v docker) ]]
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then
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CRI=docker
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elif [[ -n $(command -v podman) ]]
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then
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CRI=podman
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_check_root
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else
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echo "No supported Container Runtime Interface detected."
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exit 10
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fi
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INFO=$(${CRI} ps \
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--no-trunc \
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--format "{{.Image}};{{.Names}}" \
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--filter label=org.label-schema.name="docker-mailserver" | \
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tail -1)
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IMAGE_NAME=${INFO%;*}
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CONTAINER_NAME=${INFO#*;}
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if [[ -z ${IMAGE_NAME} ]]
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then
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if [[ ${CRI} == "docker" ]]
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then
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IMAGE_NAME=tvial/docker-mailserver:latest
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elif [[ ${CRI} == "podman" ]]
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then
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IMAGE_NAME=docker.io/tvial/docker-mailserver:latest
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fi
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fi
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if tty -s
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then
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USE_TTY="-ti"
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fi
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local OPTIND
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while getopts ":c:i:p:hzZ" OPT
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do
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case ${OPT} in
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i ) IMAGE_NAME="${OPTARG}" ;;
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z ) USING_SELINUX=":z" ;;
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Z ) USING_SELINUX=":Z" ;;
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c )
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# container specified, connect to running instance
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CONTAINER_NAME="${OPTARG}"
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USE_CONTAINER=true
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;;
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h )
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_usage
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return
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;;
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p )
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case "${OPTARG}" in
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/* ) WISHED_CONFIG_PATH="${OPTARG}" ;;
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* ) WISHED_CONFIG_PATH="${CDIR}/${OPTARG}" ;;
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esac
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if [[ ! -d ${WISHED_CONFIG_PATH} ]]
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then
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echo "Directory doesn't exist"
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_usage
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exit 40
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fi
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;;
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* )
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echo "Invalid option: -${OPTARG}" >&2
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;;
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esac
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done
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shift $(( OPTIND - 1 ))
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if [[ -z ${WISHED_CONFIG_PATH} ]]
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then
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# no wished config path
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_update_config_path
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if [[ -z ${CONFIG_PATH} ]]
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then
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CONFIG_PATH=${DEFAULT_CONFIG_PATH}
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fi
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else
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CONFIG_PATH=${WISHED_CONFIG_PATH}
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fi
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case ${1:-} in
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email)
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shift ; case ${1:-} in
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add ) shift ; _docker_image addmailuser "${@}" ;;
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update ) shift ; _docker_image updatemailuser "${@}" ;;
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del ) shift ; _docker_image delmailuser "${@}" ;;
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restrict ) shift ; _docker_container restrict-access "${@}" ;;
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list ) _docker_image listmailuser ;;
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* ) _usage ;;
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esac
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;;
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alias)
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shift ; case ${1:-} in
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add ) shift ; _docker_image addalias "${1}" "${2}" ;;
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del ) shift ; _docker_image delalias "${1}" "${2}" ;;
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list ) shift ; _docker_image listalias ;;
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* ) _usage ;;
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esac
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;;
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quota)
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shift ; case ${1:-} in
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set ) shift ; _docker_image setquota "${@}" ;;
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del ) shift ; _docker_image delquota "${@}" ;;
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* ) _usage ;;
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esac
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;;
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config)
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shift ; case ${1:-} in
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dkim ) _docker_image generate-dkim-config "${2:-2048}" ;;
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ssl ) _docker_image generate-ssl-certificate "${2}" ;;
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* ) _usage ;;
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esac
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;;
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relay)
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shift ; case ${1:-} in
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add-domain ) shift ; _docker_image addrelayhost "${@}" ;;
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add-auth ) shift ; _docker_image addsaslpassword "${@}" ;;
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exclude-domain ) shift ; _docker_image excluderelaydomain "${@}" ;;
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* ) _usage ;;
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esac
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;;
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debug)
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shift ; case ${1:-} in
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fetchmail ) _docker_image debug-fetchmail ;;
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fail2ban ) shift ; _docker_container fail2ban "${@}" ;;
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show-mail-logs ) _docker_container cat /var/log/mail/mail.log ;;
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inspect ) _inspect ;;
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login )
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shift
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if [[ -z ${1:-''} ]]
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then
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_docker_container /bin/bash
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else
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_docker_container /bin/bash -c "${@}"
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fi
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;;
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* ) _usage ; exit 1 ;;
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esac
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;;
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help ) _usage ;;
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* ) _usage ; exit 1 ;;
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esac
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}
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_main "${@}"
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