patching the delmailuser script to function properly (+ refactoring)
This commit is contained in:
Georg Lauterbach
parent
5a806b9934
commit
227719ee0d
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@ -1,9 +1,9 @@
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#! /bin/bash
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# shellcheck disable=SC2094
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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 ${DATABASE}
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# ? being used below. (This disables the message file-wide.)
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# shellcheck disable=SC2094
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# shellcheck source=../scripts/helper-functions.sh
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. /usr/local/bin/helper-functions.sh
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@ -11,82 +11,98 @@
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DATABASE=${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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MAILDEL=false
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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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echo "Usage: delmailuser [-y] <user@domain> [<user2@anotherdomain>]"
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}
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while getopts ":y" OPT
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while getopts ":yY" OPT
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do
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case ${OPT} in
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y)
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MAILDEL="y"
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y | Y )
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MAILDEL=true
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;;
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\?)
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* )
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usage
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errex "Invalid option: -${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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exit 1
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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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if ! ${MAILDEL}
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then
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read -r -p "Do you want to delete the mailbox as well (removing all mails) ? [Y/n] " MAILDEL_CHOSEN
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[[ ${MAILDEL_CHOSEN} =~ (y|Y| ) ]] && MAILDEL=true
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fi
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(
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flock -e 200
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for USER in "${@}"
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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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[[ ${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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# ${USER} must not contain /s and other syntactic characters
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USER=$(escape "${USER}")
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if ! sed -i "/^""${USER}""|/d" "${DATABASE}"
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if [[ -f ${DATABASE} ]]
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then
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errex "${USER} couldn't be deleted in ${DATABASE}. ${?}"
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if ! sed -i "/^${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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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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if [[ -f ${ALIAS_DATABASE} ]]
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then
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echo "${USER} and potential aliases deleted." || errex "Aliases for ${USER} couldn't be deleted in ${ALIAS_DATABASE}. ${?}"
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# 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 \
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-e "/ ${USER}$/d" -e "s/,${USER}//g" -e "s/${USER},//g" \
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"${ALIAS_DATABASE}"
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then
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echo "${USER} and potential aliases deleted."
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else
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errex "Aliases for ${USER} couldn't be deleted in ${ALIAS_DATABASE}."
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fi
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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}. ${?}"
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if ! sed -i -e "/^${USER}:.*$/d" "${QUOTA_DATABASE}"
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then
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errex "Quota for ${USER} couldn't be deleted in ${QUOTA_DATABASE}."
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fi
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fi
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if [[ ${MAILDEL} != "y" ]]
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if ! ${MAILDEL}
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then
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read -r -p "Do you want to delete the mailbox as well(all mails will be removed)?(y/n) " MAILDEL
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echo
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echo "Leaving the mailbox untouched. If you want to delete it at a later point use 'sudo docker exec mail rm -R /var/mail/${MAILARR[1]}/${MAILARR[0]}'"
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exit 0
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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]}/${MAILARR[0]}"
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if [[ -d "/var/mail/${MAILARR[1]}/${MAILARR[0]}" ]]
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then
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echo "Mailbox deleted." || errex "Mailbox couldn't be deleted: ${?}"
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if rm -r -f "/var/mail/${MAILARR[1]}/${MAILARR[0]}"
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then
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echo "Mailbox deleted."
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else
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errex "Mailbox couldn't be deleted."
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fi
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else
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errex "Mailbox directory '/var/mail/${MAILARR[1]}/${MAILARR[0]}' does not exist."
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fi
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done
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@ -86,7 +86,6 @@ function register_functions
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################### >> check funcs
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_register_check_function "_check_environment_variables"
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_register_check_function "_check_hostname"
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################### >> setup funcs
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@ -308,7 +307,7 @@ function check
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function _check_hostname
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{
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_notify "task" "Check that hostname/domainname is provided or overridden (no default docker hostname/kubernetes) [in ${FUNCNAME[0]}]"
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_notify "task" "Check that hostname/domainname is provided or overridden [in ${FUNCNAME[0]}]"
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if [[ -n ${OVERRIDE_HOSTNAME} ]]
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then
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@ -319,21 +318,13 @@ function _check_hostname
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_notify 'inf' "Domain has been set to ${DOMAINNAME}"
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_notify 'inf' "Hostname has been set to ${HOSTNAME}"
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if ( ! grep -E '^(\S+[.]\S+)$' <<< "${HOSTNAME}" >/dev/null )
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if ! grep -q -E '^(\S+[.]\S+)$' <<< "${HOSTNAME}"
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then
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_notify 'err' "Setting hostname/domainname is required"
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kill "$(< /var/run/supervisord.pid)" && return 1
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else
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return 0
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fi
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}
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function _check_environment_variables
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{
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_notify "task" "Check that there are no conflicts with env variables [in ${FUNCNAME[0]}]"
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return 0
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}
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##########################################################################
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# << Check Stack
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##########################################################################
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