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@tomav @vifino @mathuin @Zauberstuhl @Josef-Friedrich @mwlczk
executable file 76 lines (65 sloc) 2.75 KB
#!/bin/sh
touch /tmp/vhost.tmp
# if no keysize is provided, 2048 is default.
keysize=${1:-2048}
# Getting domains from mail accounts
if [ -f /tmp/docker-mailserver/postfix-accounts.cf ]; then
while IFS=$'|' read login pass
do
domain=$(echo ${login} | cut -d @ -f2)
echo ${domain} >> /tmp/vhost.tmp
done < /tmp/docker-mailserver/postfix-accounts.cf
fi
# Getting domains from mail aliases
if [ -f /tmp/docker-mailserver/postfix-virtual.cf ]; then
while read from to
do
# Setting variables for better readability
uname=$(echo ${from} | cut -d @ -f1)
domain=$(echo ${from} | cut -d @ -f2)
# if they are equal it means the line looks like: "user1 other@domain.tld"
test "$uname" != "$domain" && echo ${domain} >> /tmp/vhost.tmp
done < /tmp/docker-mailserver/postfix-virtual.cf
fi
# Keeping unique entries
if [ -f /tmp/vhost.tmp ]; then
cat /tmp/vhost.tmp | sort | uniq > /tmp/vhost && rm /tmp/vhost.tmp
fi
# Exit if no entries found
if [ ! -f /tmp/vhost ]; then
echo "No entries found, no keys to make"
exit 0
fi
grep -vE '^(\s*$|#)' /tmp/vhost | while read 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
# Creates 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
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