docker-mailserver/target/bin/addmailuser
Georg Lauterbach a0791ef457
formatting files according to standard (#1619)
* added EditorConfig linting
* adding `eclint` as Travis script target
* re-adjusted .pem files to have a newline
2020-09-24 14:54:21 +02:00

42 lines
846 B
Bash
Executable file

#! /bin/bash
DATABASE=${DATABASE:-/tmp/docker-mailserver/postfix-accounts.cf}
USER="$1"
shift
PASSWD="$@"
usage() {
echo "Usage: addmailuser <user@domain> [<password>]"
}
errex() {
echo "$@" 1>&2
exit 1
}
escape() {
echo "${1//./\\.}"
}
[ -z "$USER" ] && { usage; errex "no username specified"; }
expr index "$USER" "@" >/dev/null || { usage; errex "username must include the domain"; }
# Protect config file with lock to avoid race conditions
touch $DATABASE
(
flock -e 200
grep -qi "^$(escape "$USER")|" $DATABASE 2>/dev/null &&
errex "User \"$USER\" already exists"
if [ -z "$PASSWD" ]; then
read -s -p "Enter Password: " PASSWD
echo
[ -z "$PASSWD" ] && errex "Password must not be empty"
fi
HASH="$(doveadm pw -s SHA512-CRYPT -u "$USER" -p "$PASSWD")"
echo "$USER|$HASH" >> $DATABASE
) 200<$DATABASE