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Complete Refactor for target/bin (#1654)

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* documentation and script updates trying to fix #1647
* preparations for refactoring target/bin/
* complete refactor for target/bin/
* changing script output slightly
* outsourcing functions in `bin-helper.sh`
* re-wrote linting to allow for proper shellcheck -x execution
* show explanation for shellcheck ignore
* adding some more information
This commit is contained in:
Georg Lauterbach 2020-10-21 18:16:32 +02:00 • committed by GitHub
parent 0ada57d87c
commit da8171388f
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37 changed files with 579 additions and 504 deletions
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98
target/bin/restrict-access
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@ -1,64 +1,62 @@
#! /bin/bash
MODE="$1"
USER="$3"
# shellcheck source=../bin-helper.sh
. /usr/local/bin/bin-helper.sh
usage() {
echo "Usage: $0 <add|del|list> <send|receive> [<email@domain.com>]"
}
MODE="${1}"
USER="${3}"
raise() {
echo "$@" 1>&2
exit 1
}
function usage { echo "Usage: ${0} <add|del|list> <send|receive> [<email@domain.com>]" ; }
escape() {
echo "${1//./\\.}"
}
[ -z "$MODE" ] && raise "missing parameters: <add|del|list> <send|receive> [<email@domain.com>]"
[[ -z ${MODE} ]] && errex "missing parameters: <add|del|list> <send|receive> [<email@domain.com>]"
case $2 in
send)
DATABASE="/tmp/docker-mailserver/postfix-send-access.cf"
;;
receive)
DATABASE="/tmp/docker-mailserver/postfix-receive-access.cf"
;;
*)
usage; raise "missing parameters. Specify \"send\" or \"receive\"";
;;
case ${2} in
send)
DATABASE="/tmp/docker-mailserver/postfix-send-access.cf"
;;
receive)
DATABASE="/tmp/docker-mailserver/postfix-receive-access.cf"
;;
*)
usage
errex "missing parameters. Specify \"send\" or \"receive\""
;;
esac
if [ -z "$USER" ] && [ "$MODE" != list ]; then
read -p "User(user@domain.com): " USER
echo
[ -z "$USER" ] && raise "User must not be empty"
if [[ -z ${USER} ]] && [[ ${MODE} != list ]]
then
read -r -p "User(user@domain.com): " USER
echo
[[ -z ${USER} ]] && errex "User must not be empty"
fi
case ${MODE} in
add)
grep -qi "^$(escape "${USER}")" "${DATABASE}" 2>/dev/null && errex "User \"${USER}\" already denied to ${2} mails"
if [[ ! -f ${DATABASE} ]]
then
# shellcheck disable=SC2015
[[ ${DATABASE} = *"send"* ]] && \
sed -i 's|smtpd_sender_restrictions =|smtpd_sender_restrictions = check_sender_access texthash:/tmp/docker-mailserver/postfix-send-access.cf,|' /etc/postfix/main.cf \
|| sed -i 's|smtpd_recipient_restrictions =|smtpd_recipient_restrictions = check_recipient_access texthash:/tmp/docker-mailserver/postfix-receive-access.cf,|' /etc/postfix/main.cf
case $MODE in
add)
grep -qi "^$(escape "$USER")" $DATABASE 2>/dev/null &&
raise "User \"$USER\" already denied to $2 mails"
if [ ! -f $DATABASE ]; then
[[ $DATABASE = *"send"* ]] && \
sed -i 's|smtpd_sender_restrictions =|smtpd_sender_restrictions = check_sender_access texthash:/tmp/docker-mailserver/postfix-send-access.cf,|' /etc/postfix/main.cf \
|| sed -i 's|smtpd_recipient_restrictions =|smtpd_recipient_restrictions = check_recipient_access texthash:/tmp/docker-mailserver/postfix-receive-access.cf,|' /etc/postfix/main.cf
service postfix reload > /dev/null
fi
echo -e "$USER \t\t REJECT" >>$DATABASE
;;
del)
sed -ie "/^$(escape "$USER")/d" $DATABASE 2>/dev/null ||
raise "User \"$USER\" not found."
;;
list)
grep "REJECT" $DATABASE 2>/dev/null ||
echo "Everyone is allowed to $2 mails."
service postfix reload >/dev/null
fi
echo -e "${USER} \t\t REJECT" >>"${DATABASE}"
;;
del)
sed -ie "/^$(escape "${USER}")/d" "${DATABASE}" 2>/dev/null || errex "User \"${USER}\" not found."
;;
list)
grep "REJECT" "${DATABASE}" 2>/dev/null || echo "Everyone is allowed to ${2} mails."
;;
*)
usage; raise "missing mode. Specify \"add\", \"del\" or \"list\"";
;;
esac
*)
usage
errex "missing mode. Specify \"add\", \"del\" or \"list\""
;;
esac