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feat(dnssec): add auth and trust dnssec

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Afonso Franco
2025-09-28 13:11:58 +01:00
parent 4a549cfea7
commit a966c1e98d
10 changed files with 345 additions and 184 deletions
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67
cmd/sdns-proxy/sdns-proxy.go
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@@ -20,37 +20,40 @@ var cli struct {
}
type QueryCmd struct {
DomainName string `help:"Domain name to resolve." arg:"" required:""`
Server string `help:"Upstream server address (e.g., https://1.1.1.1/dns-query, tls://1.1.1.1, 8.8.8.8)." short:"s" required:""`
QueryType string `help:"Query type (A, AAAA, MX, TXT, etc.)." short:"t" enum:"A,AAAA,MX,TXT,NS,CNAME,SOA,PTR,DNSKEY" default:"A"`
DNSSEC bool `help:"Enable DNSSEC (DO bit)." short:"d"`
ValidateOnly bool `help:"Only return DNSSEC validated responses." short:"V"`
StrictValidation bool `help:"Fail on any DNSSEC validation error." short:"S"`
KeepAlive bool `help:"Use persistent connections." short:"k"`
Timeout time.Duration `help:"Timeout for the query operation." default:"10s"`
KeyLogFile string `help:"Path to TLS key log file (for DoT/DoH/DoQ)." env:"SSLKEYLOGFILE"`
DomainName string `help:"Domain name to resolve." arg:"" required:""`
Server string `help:"Upstream server address (e.g., https://1.1.1.1/dns-query, tls://1.1.1.1, 8.8.8.8)." short:"s" required:""`
QueryType string `help:"Query type (A, AAAA, MX, TXT, etc.)." short:"t" enum:"A,AAAA,MX,TXT,NS,CNAME,SOA,PTR,DNSKEY" default:"A"`
DNSSEC bool `help:"Enable DNSSEC (DO bit)." short:"d"`
AuthoritativeDNSSEC bool `help:"Use authoritative DNSSEC validation instead of trusting resolver." short:"a"`
ValidateOnly bool `help:"Only return DNSSEC validated responses." short:"V"`
StrictValidation bool `help:"Fail on any DNSSEC validation error." short:"S"`
KeepAlive bool `help:"Use persistent connections." short:"k"`
Timeout time.Duration `help:"Timeout for the query operation." default:"10s"`
KeyLogFile string `help:"Path to TLS key log file (for DoT/DoH/DoQ)." env:"SSLKEYLOGFILE"`
}
type ListenCmd struct {
Address string `help:"Address to listen on (e.g., :53, :8053)." default:":53"`
Upstream string `help:"Upstream DNS server (e.g., https://1.1.1.1/dns-query, tls://8.8.8.8)." short:"u" required:""`
Fallback string `help:"Fallback DNS server (e.g., https://1.1.1.1/dns-query, tls://8.8.8.8)." short:"f"`
Bootstrap string `help:"Bootstrap DNS server (must be an IP address, e.g., 8.8.8.8, 1.1.1.1)." short:"b"`
DNSSEC bool `help:"Enable DNSSEC for upstream queries." short:"d"`
KeepAlive bool `help:"Use persistent connections to upstream servers." short:"k"`
Timeout time.Duration `help:"Timeout for upstream queries." default:"5s"`
Verbose bool `help:"Enable verbose logging." short:"v"`
Address string `help:"Address to listen on (e.g., :53, :8053)." default:":53"`
Upstream string `help:"Upstream DNS server (e.g., https://1.1.1.1/dns-query, tls://8.8.8.8)." short:"u" required:""`
Fallback string `help:"Fallback DNS server (e.g., https://1.1.1.1/dns-query, tls://8.8.8.8)." short:"f"`
Bootstrap string `help:"Bootstrap DNS server (must be an IP address, e.g., 8.8.8.8, 1.1.1.1)." short:"b"`
DNSSEC bool `help:"Enable DNSSEC for upstream queries." short:"d"`
AuthoritativeDNSSEC bool `help:"Use authoritative DNSSEC validation instead of trusting resolver." short:"a"`
KeepAlive bool `help:"Use persistent connections to upstream servers." short:"k"`
Timeout time.Duration `help:"Timeout for upstream queries." default:"5s"`
Verbose bool `help:"Enable verbose logging." short:"v"`
}
func (q *QueryCmd) Run() error {
logger.Info("Querying %s for %s type %s (DNSSEC: %v, ValidateOnly: %v, StrictValidation: %v, KeepAlive: %v, Timeout: %v)",
q.Server, q.DomainName, q.QueryType, q.DNSSEC, q.ValidateOnly, q.StrictValidation, q.KeepAlive, q.Timeout)
logger.Info("Querying %s for %s type %s (DNSSEC: %v, AuthoritativeDNSSEC: %v, ValidateOnly: %v, StrictValidation: %v, KeepAlive: %v, Timeout: %v)",
q.Server, q.DomainName, q.QueryType, q.DNSSEC, q.AuthoritativeDNSSEC, q.ValidateOnly, q.StrictValidation, q.KeepAlive, q.Timeout)
opts := client.Options{
DNSSEC: q.DNSSEC,
ValidateOnly: q.ValidateOnly,
StrictValidation: q.StrictValidation,
KeepAlive: q.KeepAlive,
DNSSEC: q.DNSSEC,
AuthoritativeDNSSEC: q.AuthoritativeDNSSEC,
ValidateOnly: q.ValidateOnly,
StrictValidation: q.StrictValidation,
KeepAlive: q.KeepAlive,
}
logger.Debug("Creating DNS client with options: %+v", opts)
@@ -88,14 +91,15 @@ func (q *QueryCmd) Run() error {
func (l *ListenCmd) Run() error {
config := server.Config{
Address: l.Address,
Upstream: l.Upstream,
Fallback: l.Fallback,
Bootstrap: l.Bootstrap,
DNSSEC: l.DNSSEC,
KeepAlive: l.KeepAlive,
Timeout: l.Timeout,
Verbose: l.Verbose,
Address: l.Address,
Upstream: l.Upstream,
Fallback: l.Fallback,
Bootstrap: l.Bootstrap,
DNSSEC: l.DNSSEC,
AuthoritativeDNSSEC: l.AuthoritativeDNSSEC,
KeepAlive: l.KeepAlive,
Timeout: l.Timeout,
Verbose: l.Verbose,
}
logger.Debug("Server config: %+v", config)
@@ -114,7 +118,6 @@ func (l *ListenCmd) Run() error {
return srv.Start()
}
func printResponse(domain, qtype string, msg *dns.Msg) {
fmt.Println(";; QUESTION SECTION:")