docker-mailserver/target/bin/updatemailuser

34 lines
1 KiB
Bash
Executable file

#! /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 ${DATABASE}
# ? being used below. (This disables the message file-wide.)
# shellcheck disable=SC2094
# shellcheck source=../scripts/helpers/index.sh
source /usr/local/bin/helpers/index.sh
DATABASE='/tmp/docker-mailserver/postfix-accounts.cf'
USER="${1}"
shift
PASSWD="${*}"
function __usage { echo 'Usage: updatemailuser <user@domain.tld> [password]' ; }
[[ -z ${USER} ]] && { __usage ; _exit_with_error 'No username specified' ; }
if [[ -z ${PASSWD} ]]
then
read -r -s -p 'Enter Password: ' PASSWD
echo
[[ -z ${PASSWD} ]] && _exit_with_error 'Password must not be empty'
fi
HASH=$(doveadm pw -s SHA512-CRYPT -u "${USER}" -p "${PASSWD}")
touch "${DATABASE}"
_create_lock # Protect config file with lock to avoid race conditions
grep -qi "^$(_escape "${USER}")|" "${DATABASE}" 2>/dev/null || _exit_with_error "User \"${USER}\" does not exist"
sed -i "s ^""${USER}""|.* ""${USER}""|""${HASH}"" " "${DATABASE}"