mirror of
https://github.com/docker-mailserver/docker-mailserver.git
synced 2024-01-19 02:48:50 +00:00
196 lines
5.6 KiB
Bash
Executable file
196 lines
5.6 KiB
Bash
Executable file
#! /bin/bash
|
|
|
|
KEYSIZE=4096
|
|
SELECTOR=mail
|
|
DOMAINS=
|
|
|
|
function __usage
|
|
{
|
|
printf "\e[35mOPEN-DKIM\e[31m(\e[93m8\e[31m)
|
|
|
|
\e[38;5;214mNAME\e[39m
|
|
open-dkim - configure DomainKeys Identified Mail (DKIM)
|
|
|
|
\e[38;5;214mSYNOPSIS\e[39m
|
|
./setup.sh config dkim [ OPTIONS\e[31m...\e[39m ]
|
|
|
|
\e[38;5;214mDESCRIPTION\e[39m
|
|
Configures DKIM keys. OPTIONS can be used to configure a more complex setup.
|
|
LDAP setups require these options.
|
|
|
|
\e[38;5;214mOPTIONS\e[39m
|
|
\e[94mGeneric Program Information\e[39m
|
|
help Print the usage information.
|
|
|
|
\e[94mConfiguration adjustments\e[39m
|
|
keysize Set the size of the keys to be generated. Possible are 1024, 2024 and 4096 (default).
|
|
selector Set a manual selector (default is 'mail') for the key. (\e[96mATTENTION\e[39m: NOT IMPLEMENTED YET!)
|
|
domains Provide the domains for which keys are to be generated.
|
|
|
|
\e[38;5;214mEXAMPLES\e[39m
|
|
\e[37m./setup.sh config dkim size 2048\e[39m
|
|
Creates keys of length 2048 bit in a default setup where domains are obtained from
|
|
your accounts.
|
|
|
|
\e[37m./setup.sh config dkim size 2048 selector 2021-dkim\e[39m
|
|
Creates keys of length 2048 bit in a default setup where domains are obtained from
|
|
your accounts. The DKIM selector used is '2021-dkim'.
|
|
|
|
\e[37m./setup.sh config dkim size 2048 selector 2021-dkim domain 'whoami.com,whoareyou.org'\e[39m
|
|
Appropriate for an LDAP setup. Creates keys of length 2048 bit in a default setup
|
|
where domains are obtained from your accounts. The DKIM selector used is '2021-dkim'.
|
|
The domains for which DKIM keys are generated are 'whoami.com' and 'whoareyou.org'.
|
|
|
|
\e[38;5;214mEXIT STATUS\e[39m
|
|
Exit status is 0 if command was successful. If wrong arguments are provided or arguments contain
|
|
errors, the script will exit early with exit status 2.
|
|
|
|
"
|
|
}
|
|
|
|
if [[ ${1:-} == 'help' ]]
|
|
then
|
|
__usage
|
|
exit 0
|
|
fi
|
|
|
|
while [[ ${#} -gt 0 ]]
|
|
do
|
|
case ${1} in
|
|
keysize )
|
|
if [[ -n ${2+'set'} ]]
|
|
then
|
|
KEYSIZE="${2}"
|
|
shift
|
|
shift
|
|
else
|
|
echo "No keysize provided after 'keysize' argument. Aborting." >&2
|
|
exit 2
|
|
fi
|
|
;;
|
|
|
|
selector )
|
|
if [[ -n ${2+'set'} ]]
|
|
then
|
|
# shellcheck disable=SC2034
|
|
SELECTOR="${2}"
|
|
shift
|
|
shift
|
|
else
|
|
echo "No selector provided after 'selector' argument. Aborting." >&2
|
|
exit 2
|
|
fi
|
|
;;
|
|
|
|
domain )
|
|
if [[ -n ${2+'set'} ]]
|
|
then
|
|
DOMAINS="${2}"
|
|
shift
|
|
shift
|
|
else
|
|
echo "No domain(s) provided after 'domain' argument. Aborting." >&2
|
|
exit 2
|
|
fi
|
|
;;
|
|
|
|
* )
|
|
__usage
|
|
echo -e "\nUnknown options ${1} ${2:-}. Aborting." >&2
|
|
exit 2
|
|
;;
|
|
|
|
esac
|
|
done
|
|
|
|
touch /tmp/vhost.dkim.tmp
|
|
|
|
if [[ -z ${DOMAINS} ]]
|
|
then
|
|
# getting domains FROM mail accounts
|
|
if [[ -f /tmp/docker-mailserver/postfix-accounts.cf ]]
|
|
then
|
|
# shellcheck disable=SC2034
|
|
while IFS=$'|' read -r LOGIN PASS
|
|
do
|
|
DOMAIN=$(echo "${LOGIN}" | cut -d @ -f2)
|
|
echo "${DOMAIN}" >>/tmp/vhost.dkim.tmp
|
|
done < <(grep -v "^\s*$\|^\s*\#" /tmp/docker-mailserver/postfix-accounts.cf || true)
|
|
fi
|
|
|
|
# getting domains FROM mail aliases
|
|
if [[ -f /tmp/docker-mailserver/postfix-virtual.cf ]]
|
|
then
|
|
# shellcheck disable=SC2034
|
|
while read -r FROM TO
|
|
do
|
|
UNAME=$(echo "${FROM}" | cut -d @ -f1)
|
|
DOMAIN=$(echo "${FROM}" | cut -d @ -f2)
|
|
|
|
[[ ${UNAME} != "${DOMAIN}" ]] && echo "${DOMAIN}" >>/tmp/vhost.dkim.tmp
|
|
done < <(grep -v "^\s*$\|^\s*\#" /tmp/docker-mailserver/postfix-virtual.cf || true)
|
|
fi
|
|
else
|
|
tr ',' '\n' <<< "${DOMAINS}" > /tmp/vhost.dkim.tmp
|
|
fi
|
|
|
|
sort < /tmp/vhost.dkim.tmp | uniq >/tmp/vhost
|
|
rm /tmp/vhost.dkim.tmp
|
|
|
|
if [[ ! -s /tmp/vhost ]]
|
|
then
|
|
echo "No entries found, no keys to make."
|
|
exit 0
|
|
fi
|
|
|
|
while read -r DOMAINNAME
|
|
do
|
|
mkdir -p "/tmp/docker-mailserver/opendkim/keys/${DOMAINNAME}"
|
|
|
|
if [[ ! -f "/tmp/docker-mailserver/opendkim/keys/${DOMAINNAME}/mail.private" ]]
|
|
then
|
|
echo "Creating DKIM private key /tmp/docker-mailserver/opendkim/keys/${DOMAINNAME}/mail.private"
|
|
|
|
opendkim-genkey \
|
|
--bits="${KEYSIZE}" \
|
|
--subdomains \
|
|
--DOMAIN="${DOMAINNAME}" \
|
|
--selector=mail \
|
|
-D "/tmp/docker-mailserver/opendkim/keys/${DOMAINNAME}"
|
|
fi
|
|
|
|
# write to KeyTable if necessary
|
|
KEYTABLEENTRY="mail._domainkey.${DOMAINNAME} ${DOMAINNAME}:mail:/etc/opendkim/keys/${DOMAINNAME}/mail.private"
|
|
if [[ ! -f "/tmp/docker-mailserver/opendkim/KeyTable" ]]
|
|
then
|
|
echo "Creating DKIM KeyTable"
|
|
echo "${KEYTABLEENTRY}" >/tmp/docker-mailserver/opendkim/KeyTable
|
|
else
|
|
if ! grep -q "${KEYTABLEENTRY}" "/tmp/docker-mailserver/opendkim/KeyTable"
|
|
then
|
|
echo "${KEYTABLEENTRY}" >>/tmp/docker-mailserver/opendkim/KeyTable
|
|
fi
|
|
fi
|
|
|
|
# write to SigningTable if necessary
|
|
SIGNINGTABLEENTRY="*@${DOMAINNAME} mail._domainkey.${DOMAINNAME}"
|
|
if [[ ! -f /tmp/docker-mailserver/opendkim/SigningTable ]]
|
|
then
|
|
echo "Creating DKIM SigningTable"
|
|
echo "*@${DOMAINNAME} mail._domainkey.${DOMAINNAME}" >/tmp/docker-mailserver/opendkim/SigningTable
|
|
else
|
|
if ! grep -q "${SIGNINGTABLEENTRY}" /tmp/docker-mailserver/opendkim/SigningTable
|
|
then
|
|
echo "${SIGNINGTABLEENTRY}" >>/tmp/docker-mailserver/opendkim/SigningTable
|
|
fi
|
|
fi
|
|
done < <(grep -vE '^(\s*$|#)' /tmp/vhost)
|
|
|
|
# create TrustedHosts if missing
|
|
if [[ -d /tmp/docker-mailserver/opendkim ]] && [[ ! -f /tmp/docker-mailserver/opendkim/TrustedHosts ]]
|
|
then
|
|
echo "Creating DKIM TrustedHosts"
|
|
echo "127.0.0.1" >/tmp/docker-mailserver/opendkim/TrustedHosts
|
|
echo "localhost" >>/tmp/docker-mailserver/opendkim/TrustedHosts
|
|
fi
|