70 lines
2.1 KiB
Bash
Executable File
70 lines
2.1 KiB
Bash
Executable File
#! /bin/bash
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DATABASE=${DATABASE:-/tmp/docker-mailserver/postfix-accounts.cf}
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ALIAS_DATABASE="/tmp/docker-mailserver/postfix-virtual.cf"
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QUOTA_DATABASE="/tmp/docker-mailserver/dovecot-quotas.cf"
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usage() {
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echo "Usage: delmailuser <-y> <user@domain> <user2@anotherdomain> ..."
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echo " -y: don't prompt for confirmations"
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}
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errex() {
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echo -e "$@" 1>&2
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exit 1
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}
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escape() {
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echo "${1//./\\.}"
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}
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while getopts ":y" OPT; do
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case $OPT in
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y)
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MAILDEL="y"
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;;
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\?)
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usage; errex "Invalid option: -$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 "$DATABASE" ] || exit 0
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# Protect config file with lock to avoid race conditions
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(
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flock -e 200
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for USER in "$@"; do
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# very simple plausibility check
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[[ "$USER" != *"@"*"."* ]] && errex "No valid address: $USER"
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MAILARR=(${USER//@/ })
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# XXX $USER must not contain /s and other syntactic characters
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USER=$(escape "$USER")
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sed -i "/^"$USER"|/d" $DATABASE
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[ $? != 0 ] && errex "$USER couldn't be deleted in $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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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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[ $? = 0 ] && echo "$USER and potential aliases deleted." || errex "Aliases for $USER couldn't be deleted in $ALIAS_DATABASE. $?"
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# remove quota directives
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if [ -f "$QUOTA_DATABASE" ]; 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" ]; then
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read -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]}/${MAILARR[0]}\""
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rm -r -f /var/mail/${MAILARR[1]}/${MAILARR[0]}
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[ $? = 0 ] && echo "Mailbox deleted." || errex "Mailbox couldn't be deleted: $?"
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done
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) 200<$DATABASE
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