50 lines
1.3 KiB
Bash
Executable File
50 lines
1.3 KiB
Bash
Executable File
#! /bin/bash
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DATABASE=${DATABASE:-/tmp/docker-mailserver/dovecot-quotas.cf}
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USER_DATABASE=${USER_DATABASE:-/tmp/docker-mailserver/postfix-accounts.cf}
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USER="$1"
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shift
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QUOTA="$@"
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usage() {
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echo "Usage: setquota <user@domain> [<quota>]"
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}
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errex() {
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echo "$@" 1>&2
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exit 1
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}
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[ -z "$USER" ] && { usage; errex "no username specified"; }
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expr index "$USER" "@" >/dev/null || { usage; errex "username must include the domain"; }
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if ! grep -qE "^$USER\|" "$USER_DATABASE"; then
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usage; errex "user $USER does not exist"
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fi
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# check quota
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if [ -n "$QUOTA" ] && ! echo "$QUOTA" | grep -qE "^([0-9]+(B|k|M|G|T)|0)\$"; then
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usage; errex "invalid quota format. e.g. 302M (B (byte), k (kilobyte), M (megabyte), G (gigabyte) or T (terabyte))"
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fi
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# Protect config file with lock to avoid race conditions
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touch $DATABASE
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(
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flock -e 200
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if [ -z "$QUOTA" ]; then
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read -s "Enter quota (e.g. 10M): " QUOTA
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echo
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[ -z "$QUOTA" ] && errex "Quota must not be empty. Use 0 for unlimited quota"
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fi
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# check quota
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if [ -n "$QUOTA" ] && ! echo "$QUOTA" | grep -qE "^([0-9]+(B|k|M|G|T)|0)\$"; then
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usage; errex "invalid quota format. e.g. 302M (B (byte), k (kilobyte), M (megabyte), G (gigabyte) or T (terabyte))"
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fi
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delquota "$USER"
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echo "$USER:$QUOTA" >> $DATABASE
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) 200<$DATABASE
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