66 lines
1.9 KiB
Bash
Executable File
66 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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# shellcheck source=../scripts/helpers/index.sh
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source /usr/local/bin/helpers/index.sh
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COMMAND=${1:-}
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DIRECTION=${2:-}
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DIRECTION=${DIRECTION,,} # make lowercase
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USER=${3:-}
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function __usage { _log 'info' "Usage: ${0} <add|del|list> <send|receive> [<email@domain.com>]" ; }
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if [[ ${DIRECTION} =~ ^(send|receive)$ ]]; then
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DATABASE="/tmp/docker-mailserver/postfix-${DIRECTION}-access.cf"
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else
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__usage
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_exit_with_error "Unknown or missing second parameter '${DIRECTION}' - specify 'send' or 'receive'"
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fi
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if [[ -z ${USER} ]] && [[ ${COMMAND} != list ]]; then
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read -r -p 'Provide a username: ' USER
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[[ -z ${USER} ]] && _exit_with_error 'User must not be empty'
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fi
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case "${COMMAND}" in
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( 'add' )
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if [[ -f ${DATABASE} ]] && grep -q -F "${USER}" "${DATABASE}"; then
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_exit_with_error "User '${USER}' already denied to ${DIRECTION} mails"
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fi
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echo -e "${USER} \t\t REJECT" >>"${DATABASE}"
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if [[ ${DIRECTION} == 'send' ]]; then
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CHECK='check_sender_access'
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POSTFIX_OPTION='smtpd_sender_restrictions'
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else
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CHECK='check_recipient_access'
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POSTFIX_OPTION='smtpd_recipient_restrictions'
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fi
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# only adjust Postfix's `main.cf` if we haven't adjusted it before
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STRING_TO_BE_ADDED="${CHECK} texthash:/tmp/docker-mailserver/postfix-${DIRECTION}-access.cf"
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if ! grep -q "${STRING_TO_BE_ADDED}" /etc/postfix/main.cf; then
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sed -i -E "s|^(${POSTFIX_OPTION} =)(.*)|\1 ${STRING_TO_BE_ADDED},\2|" /etc/postfix/main.cf
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_reload_postfix
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fi
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;;
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( 'del' )
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if ! sed -i "/^$(_escape "${USER}").*/d" "${DATABASE}" 2>/dev/null; then
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_exit_with_error "User '${USER}' not found"
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fi
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;;
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( 'list' )
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grep "REJECT" "${DATABASE}" 2>/dev/null || _log 'info' "Everyone is allowed to ${DIRECTION} mails"
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;;
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( * )
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__usage
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_exit_with_error "Unknown or missing command '${COMMAND}' - specify 'add', 'del' or 'list'"
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;;
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esac
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