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add new rrtypes ZONEMD and AMTRELAY codes

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This commit is contained in:
Stefan Bühler 2019-07-02 17:37:40 +02:00
parent 25e18e3e74
commit 5720abe57e
5 changed files with 96 additions and 2 deletions
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40
lib/dnsbox-base/src/common_types/binary.rs
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@ -186,3 +186,43 @@ impl DnsTextData for HexRemainingBlob {
write!(f, "{}", HEXLOWER_PERMISSIVE_ALLOW_WS.encode(&self.0))
}
}
/// No length byte (or restriction), just all data to end of record. uses
/// hex encoding for text representation, whitespace allowed.
///
/// No following field allowed, i.e. last field in the record.
///
/// Must contain at least one byte
#[derive(Clone, PartialEq, Eq, Debug)]
pub struct HexRemainingBlobNotEmpty(Bytes);
impl DnsPacketData for HexRemainingBlobNotEmpty {
fn deserialize(data: &mut Cursor<Bytes>) -> Result<Self> {
let data = remaining_bytes(data);
failure::ensure!(!data.is_empty(), "must not be empty");
Ok(HexRemainingBlobNotEmpty(data))
}
fn serialize(&self, _context: &mut DnsPacketWriteContext, packet: &mut Vec<u8>) -> Result<()> {
failure::ensure!(!self.0.is_empty(), "must not be empty");
packet.reserve(self.0.len());
packet.put_slice(&self.0);
Ok(())
}
}
impl DnsTextData for HexRemainingBlobNotEmpty {
fn dns_parse(_context: &DnsTextContext, data: &mut &str) -> crate::errors::Result<Self> {
skip_whitespace(data);
let result = HEXLOWER_PERMISSIVE_ALLOW_WS.decode(data.as_bytes())
.with_context(|e| e.context(format!("invalid hex: {:?}", data)))?;
*data = "";
failure::ensure!(!result.is_empty(), "must not be empty");
Ok(HexRemainingBlobNotEmpty(result.into()))
}
fn dns_format(&self, f: &mut DnsTextFormatter) -> fmt::Result {
if self.0.is_empty() { return Err(fmt::Error); }
write!(f, "{}", HEXLOWER_PERMISSIVE_ALLOW_WS.encode(&self.0))
}
}

2
lib/dnsbox-base/src/common_types/mod.rs
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@ -10,7 +10,7 @@ mod sig;
mod time;
mod uri;
pub use self::binary::{HexShortBlob, Base64LongBlob, Base64RemainingBlob, HexRemainingBlob};
pub use self::binary::{HexShortBlob, Base64LongBlob, Base64RemainingBlob, HexRemainingBlob, HexRemainingBlobNotEmpty};
pub use self::classes::Class;
pub use self::eui::{EUI48Addr, EUI64Addr};
pub use self::name::{DnsName, DnsCanonicalName, DnsCompressedName};

43
lib/dnsbox-base/src/common_types/types.rs
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@ -131,6 +131,8 @@ pub const CDNSKEY : Type = Type(KnownType::CDNSKEY as u16);
pub const OPENPGPKEY : Type = Type(KnownType::OPENPGPKEY as u16);
/// Child-To-Parent Synchronization
pub const CSYNC : Type = Type(KnownType::CSYNC as u16);
/// message digest for DNS zone
pub const ZONEMD : Type = Type(KnownType::ZONEMD as u16);
/// SPF
pub const SPF : Type = Type(KnownType::SPF as u16);
/// UINFO
@ -175,6 +177,8 @@ pub const CAA : Type = Type(KnownType::CAA as u16);
pub const AVC : Type = Type(KnownType::AVC as u16);
/// Digital Object Architecture
pub const DOA : Type = Type(KnownType::DOA as u16);
/// Automatic Multicast Tunneling Relay
pub const AMTRELAY : Type = Type(KnownType::AMTRELAY as u16);
/// DNSSEC Trust Authorities
pub const TA : Type = Type(KnownType::TA as u16);
/// DNSSEC Lookaside Validation
@ -309,6 +313,11 @@ pub enum KnownType {
OPENPGPKEY = 0x003d, // RFC 7929
/// Child-To-Parent Synchronization
CSYNC = 0x003e, // RFC 7477
/// message digest for DNS zone
ZONEMD = 0x003f, // https://tools.ietf.org/html/draft-ietf-dnsop-dns-zone-digest-00
// Unassigned: 0x0040..0x0062
/// SPF
SPF = 0x0063, // RFC 7208
/// UINFO
@ -331,7 +340,11 @@ pub enum KnownType {
EUI48 = 0x006c, // RFC 7043
/// an EUI-64 address
EUI64 = 0x006d, // RFC 7043
// unassigned: 0x006e..0x007f
// 0x0080..0x00ff: meta and qtypes
/// URI
URI = 0x0100, // RFC 7553
/// Certification Authority Restriction
@ -340,12 +353,23 @@ pub enum KnownType {
AVC = 0x0102, // Wolfgang Riedel
/// Digital Object Architecture
DOA = 0x0103, // http://www.iana.org/go/draft-durand-doa-over-dns
/// Automatic Multicast Tunneling Relay
AMTRELAY = 0x0104, // http://www.iana.org/go/draft-ietf-mboned-driad-amt-discovery
// Unassigned: 0x0105..0x7fff
/// DNSSEC Trust Authorities
TA = 0x8000, //
/// DNSSEC Lookaside Validation
DLV = 0x8001, // RFC 4431
/// powerdns feature: authoritate should resolve to A and AAAA
// Unassigned: 0x8002..0xfeff
// Private use: 0xff00..0xfffe
/// powerdns feature: authoritative should resolve to A and AAAA
ALIAS = 0xff79, // powerdns
// Reserved: 0xffff
}
/// known QTYPEs
@ -353,6 +377,10 @@ pub enum KnownType {
#[repr(u16)]
#[allow(non_camel_case_types)]
pub enum KnownQType {
// Unassigned 0x0080..0x00f8
// 0x00f9..0x00fa: meta type
/// incremental transfer
IXFR = 0x00fb, // RFC 1995
/// transfer of an entire zone
@ -372,10 +400,15 @@ pub enum KnownQType {
pub enum KnownMetaType {
/// OPT
OPT = 0x0029, // RFC 6891
// Unassigned 0x0080..0x00f8
/// Transaction Key
TKEY = 0x00f9, // RFC 2930
/// Transaction Signature
TSIG = 0x00fa, // RFC 2845
// 0x00fb..0x00ff: qtype
}
/// DNS (RR)TYPE
@ -679,6 +712,8 @@ fn check_types() {
check_type!(CDNSKEY , 60);
check_type!(OPENPGPKEY, 61);
check_type!(CSYNC , 62);
check_type!(ZONEMD , 63);
// Unassigned: 64-98
check_type!(SPF , 99);
check_type!(UINFO , 100);
check_type!(UID , 101);
@ -690,6 +725,7 @@ fn check_types() {
check_type!(LP , 107);
check_type!(EUI48 , 108);
check_type!(EUI64 , 109);
// Unassigned: 110-248
check_type!(TKEY , 249);
check_type!(TSIG , 250);
check_type!(IXFR , 251);
@ -701,7 +737,12 @@ fn check_types() {
check_type!(CAA , 257);
check_type!(AVC , 258);
check_type!(DOA , 259);
check_type!(AMTRELAY , 260);
// Unassigned: 261-32767
check_type!(TA , 32768);
check_type!(DLV , 32769);
// Unassigned: 32770-65279
// Private use: 65280-65534
check_type!(ALIAS , 65401);
// Reserved: 65535
}

2
lib/dnsbox-base/src/records/registry.rs
View File

@ -174,6 +174,7 @@ impl Registry {
r.register_known::<structs::CDNSKEY>();
r.register_known::<structs::OPENPGPKEY>();
r.register_unknown("CSYNC" , types::CSYNC);
r.register_unknown("ZONEMD" , types::ZONEMD);
r.register_known::<structs::SPF>();
r.register_unknown("UINFO" , types::UINFO);
r.register_unknown("UID" , types::UID);
@ -196,6 +197,7 @@ impl Registry {
r.register_known::<structs::CAA>();
r.register_unknown("AVC" , types::AVC);
r.register_unknown("DOA" , types::DOA);
r.register_unknown("AMTRELAY" , types::AMTRELAY);
r.register_unknown("TA" , types::TA);
r.register_known::<structs::DLV>();
r.register_known::<structs::ALIAS>();

11
lib/dnsbox-base/src/records/structs.rs
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@ -449,6 +449,15 @@ pub struct OPENPGPKEY {
// #[RRClass(?)]
// pub struct CSYNC;
// #[derive(Clone, PartialEq, Eq, Debug, DnsPacketData, DnsTextData, RRData)]
// #[RRClass(ANY)]
// pub struct ZONEMD {
// pub serial: u32,
// pub digest_type: u8,
// pub reserved: u8,
// pub digest: HexRemainingBlobNotEmpty,
// }
#[derive(Clone, PartialEq, Eq, Debug, DnsPacketData, DnsTextData, RRData)]
// #[RRClass(?)]
pub struct SPF {
@ -543,6 +552,8 @@ pub struct CAA {
// pub struct AVC;
// pub struct DOA;
// pub struct AMTRELAY;
// pub struct TA;
#[derive(Clone, PartialEq, Eq, Debug, DnsPacketData, DnsTextData, RRData)]
#[RRClass(ANY)]