diff options
Diffstat (limited to 'vendor/github.com/miekg/dns/svcb.go')
| -rw-r--r-- | vendor/github.com/miekg/dns/svcb.go | 50 |
1 files changed, 46 insertions, 4 deletions
diff --git a/vendor/github.com/miekg/dns/svcb.go b/vendor/github.com/miekg/dns/svcb.go index c1a740b68..310c7d11f 100644 --- a/vendor/github.com/miekg/dns/svcb.go +++ b/vendor/github.com/miekg/dns/svcb.go @@ -14,7 +14,7 @@ import ( // SVCBKey is the type of the keys used in the SVCB RR. type SVCBKey uint16 -// Keys defined in draft-ietf-dnsop-svcb-https-08 Section 14.3.2. +// Keys defined in rfc9460 const ( SVCB_MANDATORY SVCBKey = iota SVCB_ALPN @@ -23,7 +23,8 @@ const ( SVCB_IPV4HINT SVCB_ECHCONFIG SVCB_IPV6HINT - SVCB_DOHPATH // draft-ietf-add-svcb-dns-02 Section 9 + SVCB_DOHPATH // rfc9461 Section 5 + SVCB_OHTTP // rfc9540 Section 8 svcb_RESERVED SVCBKey = 65535 ) @@ -37,6 +38,7 @@ var svcbKeyToStringMap = map[SVCBKey]string{ SVCB_ECHCONFIG: "ech", SVCB_IPV6HINT: "ipv6hint", SVCB_DOHPATH: "dohpath", + SVCB_OHTTP: "ohttp", } var svcbStringToKeyMap = reverseSVCBKeyMap(svcbKeyToStringMap) @@ -201,6 +203,8 @@ func makeSVCBKeyValue(key SVCBKey) SVCBKeyValue { return new(SVCBIPv6Hint) case SVCB_DOHPATH: return new(SVCBDoHPath) + case SVCB_OHTTP: + return new(SVCBOhttp) case svcb_RESERVED: return nil default: @@ -771,8 +775,8 @@ func (s *SVCBIPv6Hint) copy() SVCBKeyValue { // SVCBDoHPath pair is used to indicate the URI template that the // clients may use to construct a DNS over HTTPS URI. // -// See RFC xxxx (https://datatracker.ietf.org/doc/html/draft-ietf-add-svcb-dns-02) -// and RFC yyyy (https://datatracker.ietf.org/doc/html/draft-ietf-add-ddr-06). +// See RFC 9461 (https://datatracker.ietf.org/doc/html/rfc9461) +// and RFC 9462 (https://datatracker.ietf.org/doc/html/rfc9462). // // A basic example of using the dohpath option together with the alpn // option to indicate support for DNS over HTTPS on a certain path: @@ -816,6 +820,44 @@ func (s *SVCBDoHPath) copy() SVCBKeyValue { } } +// The "ohttp" SvcParamKey is used to indicate that a service described in a SVCB RR +// can be accessed as a target using an associated gateway. +// Both the presentation and wire-format values for the "ohttp" parameter MUST be empty. +// +// See RFC 9460 (https://datatracker.ietf.org/doc/html/rfc9460/) +// and RFC 9230 (https://datatracker.ietf.org/doc/html/rfc9230/) +// +// A basic example of using the dohpath option together with the alpn +// option to indicate support for DNS over HTTPS on a certain path: +// +// s := new(dns.SVCB) +// s.Hdr = dns.RR_Header{Name: ".", Rrtype: dns.TypeSVCB, Class: dns.ClassINET} +// e := new(dns.SVCBAlpn) +// e.Alpn = []string{"h2", "h3"} +// p := new(dns.SVCBOhttp) +// s.Value = append(s.Value, e, p) +type SVCBOhttp struct{} + +func (*SVCBOhttp) Key() SVCBKey { return SVCB_OHTTP } +func (*SVCBOhttp) copy() SVCBKeyValue { return &SVCBOhttp{} } +func (*SVCBOhttp) pack() ([]byte, error) { return []byte{}, nil } +func (*SVCBOhttp) String() string { return "" } +func (*SVCBOhttp) len() int { return 0 } + +func (*SVCBOhttp) unpack(b []byte) error { + if len(b) != 0 { + return errors.New("dns: svcbotthp: svcbotthp must have no value") + } + return nil +} + +func (*SVCBOhttp) parse(b string) error { + if b != "" { + return errors.New("dns: svcbotthp: svcbotthp must have no value") + } + return nil +} + // SVCBLocal pair is intended for experimental/private use. The key is recommended // to be in the range [SVCB_PRIVATE_LOWER, SVCB_PRIVATE_UPPER]. // Basic use pattern for creating a keyNNNNN option: |