mirror of
https://github.com/tomav/docker-mailserver.git
synced 2024-06-30 21:21:31 +02:00
77 lines
2.7 KiB
Bash
Executable File
77 lines
2.7 KiB
Bash
Executable File
#!/bin/sh
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touch /tmp/vhost.tmp
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# if no keysize is provided, 2048 is default.
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keysize=${1:-2048}
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# Getting domains from mail accounts
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if [ -f /tmp/docker-mailserver/postfix-accounts.cf ]; then
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while IFS=$'|' read login pass
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do
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domain=$(echo ${login} | cut -d @ -f2)
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echo ${domain} >> /tmp/vhost.tmp
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done < /tmp/docker-mailserver/postfix-accounts.cf
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fi
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# Getting domains from mail aliases
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if [ -f /tmp/docker-mailserver/postfix-virtual.cf ]; then
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while read from to
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do
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# Setting variables for better readability
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uname=$(echo ${from} | cut -d @ -f1)
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domain=$(echo ${from} | cut -d @ -f2)
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# if they are equal it means the line looks like: "user1 other@domain.tld"
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test "$uname" != "$domain" && echo ${domain} >> /tmp/vhost.tmp
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done < /tmp/docker-mailserver/postfix-virtual.cf
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fi
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# Keeping unique entries
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if [ -f /tmp/vhost.tmp ]; then
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cat /tmp/vhost.tmp | sort | uniq > /tmp/vhost && rm /tmp/vhost.tmp
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fi
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# Exit if no entries found
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if [ ! -f /tmp/vhost ]; then
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echo "No entries found, no keys to make"
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exit 0
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fi
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grep -vE '^(\s*$|#)' /tmp/vhost | while read domainname; do
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mkdir -p /tmp/docker-mailserver/opendkim/keys/$domainname
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if [ ! -f "/tmp/docker-mailserver/opendkim/keys/$domainname/mail.private" ]; then
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echo "Creating DKIM private key /tmp/docker-mailserver/opendkim/keys/$domainname/mail.private"
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opendkim-genkey --bits=$keysize --subdomains --domain=$domainname --selector=mail -D /tmp/docker-mailserver/opendkim/keys/$domainname
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fi
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# Write to KeyTable if necessary
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keytableentry="mail._domainkey.$domainname $domainname:mail:/etc/opendkim/keys/$domainname/mail.private"
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if [ ! -f "/tmp/docker-mailserver/opendkim/KeyTable" ]; then
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echo "Creating DKIM KeyTable"
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echo $keytableentry > /tmp/docker-mailserver/opendkim/KeyTable
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else
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if ! grep -q "$keytableentry" "/tmp/docker-mailserver/opendkim/KeyTable" ; then
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echo $keytableentry >> /tmp/docker-mailserver/opendkim/KeyTable
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fi
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fi
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# Write to SigningTable if necessary
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signingtableentry="*@$domainname mail._domainkey.$domainname"
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if [ ! -f "/tmp/docker-mailserver/opendkim/SigningTable" ]; then
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echo "Creating DKIM SigningTable"
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echo "*@$domainname mail._domainkey.$domainname" > /tmp/docker-mailserver/opendkim/SigningTable
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else
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if ! grep -q "$signingtableentry" "/tmp/docker-mailserver/opendkim/SigningTable" ; then
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echo $signingtableentry >> /tmp/docker-mailserver/opendkim/SigningTable
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fi
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fi
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done
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# Creates TrustedHosts if missing
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if [ -d "/tmp/docker-mailserver/opendkim" ] && [ ! -f "/tmp/docker-mailserver/opendkim/TrustedHosts" ]; then
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echo "Creating DKIM TrustedHosts";
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echo "127.0.0.1" > /tmp/docker-mailserver/opendkim/TrustedHosts
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echo "localhost" >> /tmp/docker-mailserver/opendkim/TrustedHosts
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fi
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