94 lines
2.6 KiB
Bash
Executable File
94 lines
2.6 KiB
Bash
Executable File
#! /bin/bash
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# ? This is done to ignore the message "Make sure not to read and write
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# ? the same file in the same pipeline", which is a result of ${DATABASE}
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# ? being used below. (This disables the message file-wide.)
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# shellcheck disable=SC2094
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# shellcheck source=../scripts/helper-functions.sh
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. /usr/local/bin/helper-functions.sh
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DATABASE=${DATABASE:-/tmp/docker-mailserver/postfix-accounts.cf}
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ALIAS_DATABASE="/tmp/docker-mailserver/postfix-virtual.cf"
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QUOTA_DATABASE="/tmp/docker-mailserver/dovecot-quotas.cf"
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function usage
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{
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echo "Usage: delmailuser <-y> <user@domain> <user2@anotherdomain> ..."
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echo " -y: don't prompt for confirmations"
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}
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while getopts ":y" OPT
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do
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case ${OPT} in
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y)
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MAILDEL="y"
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;;
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\?)
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usage
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errex "Invalid option: -${OPTARG}"
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;;
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*)
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usage
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errex "Invalid option: -${OPTARG}"
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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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[[ -z ${*} ]] && { usage ; errex "No user specifed" ; }
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[[ -s ${DATABASE} ]] || exit 0
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# Protect config file with lock to avoid race conditions
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(
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flock -e 200
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for USER in "${@}"
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do
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# very simple plausibility check
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[[ ${USER} != *"@"*"."* ]] && errex "No valid address: ${USER}"
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declare -a MAILARR
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MAILARR[0]="${USER%@*}"
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MAILARR[1]="${USER#*@}"
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# XXX ${USER} must not contain /s and other syntactic characters
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USER=$(escape "${USER}")
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if ! sed -i "/^""${USER}""|/d" "${DATABASE}"
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then
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errex "${USER} couldn't be deleted in ${DATABASE}. ${?}"
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fi
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# Delete all aliases where the user is the only recipient( " ${USER$}" )
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# Delete user only for all aliases that deliver to multiple recipients ( ",${USER}" "${USER,}" )
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if sed -i -e "/ ""${USER}""$/d" \
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-e "s/,""${USER}""//g" \
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-e "s/""${USER}"",//g" "${ALIAS_DATABASE}"
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then
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echo "${USER} and potential aliases deleted." || errex "Aliases for ${USER} couldn't be deleted in ${ALIAS_DATABASE}. ${?}"
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fi
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# remove quota directives
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if [[ -f ${QUOTA_DATABASE} ]]
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then
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sed -i -e "/^${USER}:.*$/d" "${QUOTA_DATABASE}" || errex "Quota for ${USER} couldn't be deleted in ${QUOTA_DATABASE}. ${?}"
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fi
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if [[ ${MAILDEL} != "y" ]]
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then
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read -r -p "Do you want to delete the mailbox as well(all mails will be removed)?(y/n) " MAILDEL
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echo
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fi
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[[ ${MAILDEL} != "y" ]] && errex "Leaving the mailbox untouched. If you want to delete it at a later point use \"sudo docker exec mail rm -R /var/mail/${MAILARR[1]}/${MAILARR[0]}\""
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if rm -r -f "/var/mail/${MAILARR[1]}/${MAILARR[0]}"
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then
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echo "Mailbox deleted." || errex "Mailbox couldn't be deleted: ${?}"
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fi
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done
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) 200< "${DATABASE}"
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