mokhtar/local-ip.sh
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handle CNAME for DKIM

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m5r 2022-10-29 15:50:49 +02:00
parent 2be8951193
commit 3ca2ccdca9
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1 changed files with 41 additions and 3 deletions
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44
xip/xip.go
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@ -19,9 +19,10 @@ type Xip struct {
} }
type HardcodedRecord struct { type HardcodedRecord struct {
A *dns.A A *dns.A
TXT *dns.TXT TXT *dns.TXT
MX []*dns.MX MX []*dns.MX
CNAME []*dns.CNAME
} }
var ( var (
@ -45,6 +46,21 @@ var (
{Preference: 20, Mx: "mx2.simplelogin.co."}, {Preference: 20, Mx: "mx2.simplelogin.co."},
}, },
}, },
"dkim._domainkey.local-ip.sh.": {
CNAME: []*dns.CNAME{
{Target: "dkim._domainkey.simplelogin.co."},
},
},
"dkim02._domainkey.local-ip.sh.": {
CNAME: []*dns.CNAME{
{Target: "dkim02._domainkey.simplelogin.co."},
},
},
"dkim03._domainkey.local-ip.sh.": {
CNAME: []*dns.CNAME{
{Target: "dkim03._domainkey.simplelogin.co."},
},
},
} }
) )
@ -160,6 +176,26 @@ func (xip *Xip) handleMX(question dns.Question, message *dns.Msg) {
} }
} }
func (xip *Xip) handleCNAME(question dns.Question, message *dns.Msg) {
fqdn := question.Name
if hardcodedRecords[strings.ToLower(fqdn)].CNAME == nil {
return
}
for _, record := range hardcodedRecords[strings.ToLower(fqdn)].CNAME {
message.Answer = append(message.Answer, &dns.CNAME{
Hdr: dns.RR_Header{
// Ttl: uint32((time.Hour * 24 * 7).Seconds()),
Ttl: uint32((time.Second * 10).Seconds()),
Name: fqdn,
Rrtype: dns.TypeCNAME,
Class: dns.ClassINET,
},
Target: record.Target,
})
}
}
func (xip *Xip) SOARecord(question dns.Question) *dns.SOA { func (xip *Xip) SOARecord(question dns.Question) *dns.SOA {
soa := new(dns.SOA) soa := new(dns.SOA)
soa.Hdr = dns.RR_Header{ soa.Hdr = dns.RR_Header{
@ -199,6 +235,8 @@ func (xip *Xip) handleQuery(message *dns.Msg) {
xip.handleTXT(question, message) xip.handleTXT(question, message)
case dns.TypeMX: case dns.TypeMX:
xip.handleMX(question, message) xip.handleMX(question, message)
case dns.TypeCNAME:
xip.handleCNAME(question, message)
} }
} }
} }