docker-mailserver/target/bin/updatemailuser
Nathan Pierce 5becce8064
chore(scripts): Removing flock so NFS works (#1980)
Co-authored-by: Casper <casperklein@users.noreply.github.com>
Co-authored-by: Georg Lauterbach <44545919+georglauterbach@users.noreply.github.com>
2021-06-15 14:03:41 +02:00

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#! /bin/bash
# ? This is done to ignore the message "Make sure not to read and write
# ? the same file in the same pipeline", which is a result of ${DATABASE}
# ? being used below. (This disables the message file-wide.)
# shellcheck disable=SC2094
# shellcheck source=../scripts/helper-functions.sh
. /usr/local/bin/helper-functions.sh
DATABASE=${DATABASE:-/tmp/docker-mailserver/postfix-accounts.cf}
USER="${1}"
shift
PASSWD="${*}"
function usage { echo "Usage: updatemailuser <user@domain.tld> [password]" ; }
[[ -z ${USER} ]] && { usage ; errex "no username specified" ; }
if [[ -z ${PASSWD} ]]
then
read -r -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}")"
# Protect config file with lock to avoid race conditions
touch "${DATABASE}"
create_lock "$(basename "$0")"
grep -qi "^$(escape "${USER}")|" "${DATABASE}" 2>/dev/null || errex "User \"${USER}\" does not exist"
sed -i "s ^""${USER}""|.* ""${USER}""|""${HASH}"" " "${DATABASE}"