42 lines
846 B
Bash
Executable File
42 lines
846 B
Bash
Executable File
#! /bin/bash
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DATABASE=${DATABASE:-/tmp/docker-mailserver/postfix-accounts.cf}
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USER="$1"
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shift
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PASSWD="$@"
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usage() {
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echo "Usage: addmailuser <user@domain> [<password>]"
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}
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errex() {
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echo "$@" 1>&2
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exit 1
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}
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escape() {
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echo "${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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# Protect config file with lock to avoid race conditions
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touch $DATABASE
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(
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flock -e 200
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grep -qi "^$(escape "$USER")|" $DATABASE 2>/dev/null &&
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errex "User \"$USER\" already exists"
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if [ -z "$PASSWD" ]; then
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read -s -p "Enter Password: " PASSWD
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echo
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[ -z "$PASSWD" ] && errex "Password must not be empty"
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fi
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HASH="$(doveadm pw -s SHA512-CRYPT -u "$USER" -p "$PASSWD")"
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echo "$USER|$HASH" >> $DATABASE
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) 200<$DATABASE
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