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-rw-r--r--third_party/rust/dns-parser/src/enums.rs299
1 files changed, 299 insertions, 0 deletions
diff --git a/third_party/rust/dns-parser/src/enums.rs b/third_party/rust/dns-parser/src/enums.rs
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+++ b/third_party/rust/dns-parser/src/enums.rs
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+use {Error};
+use rdata::Record;
+use rdata::*;
+
+/// The TYPE value according to RFC 1035
+///
+/// All "EXPERIMENTAL" markers here are from the RFC
+#[derive(Debug, PartialEq, Eq, Clone, Copy)]
+pub enum Type {
+ /// a host addresss
+ A = a::Record::TYPE,
+ /// an authoritative name server
+ NS = ns::Record::TYPE,
+ /// a mail forwarder (Obsolete - use MX)
+ MF = mf::Record::TYPE,
+ /// the canonical name for an alias
+ CNAME = cname::Record::TYPE,
+ /// marks the start of a zone of authority
+ SOA = soa::Record::TYPE,
+ /// a mailbox domain name (EXPERIMENTAL)
+ MB = mb::Record::TYPE,
+ /// a mail group member (EXPERIMENTAL)
+ MG = mg::Record::TYPE,
+ /// a mail rename domain name (EXPERIMENTAL)
+ MR = mr::Record::TYPE,
+ /// a null RR (EXPERIMENTAL)
+ NULL = null::Record::TYPE,
+ /// a well known service description
+ WKS = wks::Record::TYPE,
+ /// a domain name pointer
+ PTR = ptr::Record::TYPE,
+ /// host information
+ HINFO = hinfo::Record::TYPE,
+ /// mailbox or mail list information
+ MINFO = minfo::Record::TYPE,
+ /// mail exchange
+ MX = mx::Record::TYPE,
+ /// text strings
+ TXT = txt::Record::TYPE,
+ /// IPv6 host address (RFC 2782)
+ AAAA = aaaa::Record::TYPE,
+ /// service record (RFC 2782)
+ SRV = srv::Record::TYPE,
+ /// EDNS0 options (RFC 6891)
+ OPT = opt::Record::TYPE,
+ /// next secure record (RFC 4034, RFC 6762)
+ NSEC = nsec::Record::TYPE,
+}
+
+/// The QTYPE value according to RFC 1035
+///
+/// All "EXPERIMENTAL" markers here are from the RFC
+#[derive(Debug, PartialEq, Eq, Clone, Copy)]
+#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+pub enum QueryType {
+ /// a host addresss
+ A = a::Record::TYPE,
+ /// an authoritative name server
+ NS = ns::Record::TYPE,
+ /// a mail forwarder (Obsolete - use MX)
+ MF = mf::Record::TYPE,
+ /// the canonical name for an alias
+ CNAME = cname::Record::TYPE,
+ /// marks the start of a zone of authority
+ SOA = soa::Record::TYPE,
+ /// a mailbox domain name (EXPERIMENTAL)
+ MB = mb::Record::TYPE,
+ /// a mail group member (EXPERIMENTAL)
+ MG = mg::Record::TYPE,
+ /// a mail rename domain name (EXPERIMENTAL)
+ MR = mr::Record::TYPE,
+ /// a null RR (EXPERIMENTAL)
+ NULL = null::Record::TYPE,
+ /// a well known service description
+ WKS = wks::Record::TYPE,
+ /// a domain name pointer
+ PTR = ptr::Record::TYPE,
+ /// host information
+ HINFO = hinfo::Record::TYPE,
+ /// mailbox or mail list information
+ MINFO = minfo::Record::TYPE,
+ /// mail exchange
+ MX = mx::Record::TYPE,
+ /// text strings
+ TXT = txt::Record::TYPE,
+ /// IPv6 host address (RFC 2782)
+ AAAA = aaaa::Record::TYPE,
+ /// service record (RFC 2782)
+ SRV = srv::Record::TYPE,
+ /// A request for a transfer of an entire zone
+ AXFR = axfr::Record::TYPE,
+ /// A request for mailbox-related records (MB, MG or MR)
+ MAILB = mailb::Record::TYPE,
+ /// A request for mail agent RRs (Obsolete - see MX)
+ MAILA = maila::Record::TYPE,
+ /// A request for all records
+ All = all::Record::TYPE,
+}
+
+
+/// The CLASS value according to RFC 1035
+#[derive(Debug, PartialEq, Eq, Clone, Copy)]
+pub enum Class {
+ /// the Internet
+ IN = 1,
+ /// the CSNET class (Obsolete - used only for examples in some obsolete
+ /// RFCs)
+ CS = 2,
+ /// the CHAOS class
+ CH = 3,
+ /// Hesiod [Dyer 87]
+ HS = 4,
+}
+
+/// The QCLASS value according to RFC 1035
+#[derive(Debug, PartialEq, Eq, Clone, Copy)]
+pub enum QueryClass {
+ /// the Internet
+ IN = 1,
+ /// the CSNET class (Obsolete - used only for examples in some obsolete
+ /// RFCs)
+ CS = 2,
+ /// the CHAOS class
+ CH = 3,
+ /// Hesiod [Dyer 87]
+ HS = 4,
+ /// Any class
+ Any = 255,
+}
+
+/// The OPCODE value according to RFC 1035
+#[derive(Debug, PartialEq, Eq, Clone, Copy)]
+pub enum Opcode {
+ /// Normal query
+ StandardQuery,
+ /// Inverse query (query a name by IP)
+ InverseQuery,
+ /// Server status request
+ ServerStatusRequest,
+ /// Reserved opcode for future use
+ Reserved(u16),
+}
+
+quick_error! {
+ /// The RCODE value according to RFC 1035
+ #[derive(Debug, PartialEq, Eq, Clone, Copy)]
+ #[allow(missing_docs)] // names are from spec
+ pub enum ResponseCode {
+ NoError
+ FormatError
+ ServerFailure
+ NameError
+ NotImplemented
+ Refused
+ Reserved(code: u8)
+ }
+}
+
+impl From<u16> for Opcode {
+ fn from(code: u16) -> Opcode {
+ use self::Opcode::*;
+ match code {
+ 0 => StandardQuery,
+ 1 => InverseQuery,
+ 2 => ServerStatusRequest,
+ x => Reserved(x),
+ }
+ }
+}
+impl Into<u16> for Opcode {
+ fn into(self) -> u16 {
+ use self::Opcode::*;
+ match self {
+ StandardQuery => 0,
+ InverseQuery => 1,
+ ServerStatusRequest => 2,
+ Reserved(x) => x,
+ }
+ }
+}
+
+impl From<u8> for ResponseCode {
+ fn from(code: u8) -> ResponseCode {
+ use self::ResponseCode::*;
+ match code {
+ 0 => NoError,
+ 1 => FormatError,
+ 2 => ServerFailure,
+ 3 => NameError,
+ 4 => NotImplemented,
+ 5 => Refused,
+ 6...15 => Reserved(code),
+ x => panic!("Invalid response code {}", x),
+ }
+ }
+}
+impl Into<u8> for ResponseCode {
+ fn into(self) -> u8 {
+ use self::ResponseCode::*;
+ match self {
+ NoError => 0,
+ FormatError => 1,
+ ServerFailure => 2,
+ NameError => 3,
+ NotImplemented => 4,
+ Refused => 5,
+ Reserved(code) => code,
+ }
+ }
+}
+
+impl QueryType {
+ /// Parse a query type code
+ pub fn parse(code: u16) -> Result<QueryType, Error> {
+ use self::QueryType::*;
+ match code as isize {
+ a::Record::TYPE => Ok(A),
+ ns::Record::TYPE => Ok(NS),
+ mf::Record::TYPE => Ok(MF),
+ cname::Record::TYPE => Ok(CNAME),
+ soa::Record::TYPE => Ok(SOA),
+ mb::Record::TYPE => Ok(MB),
+ mg::Record::TYPE => Ok(MG),
+ mr::Record::TYPE => Ok(MR),
+ null::Record::TYPE => Ok(NULL),
+ wks::Record::TYPE => Ok(WKS),
+ ptr::Record::TYPE => Ok(PTR),
+ hinfo::Record::TYPE => Ok(HINFO),
+ minfo::Record::TYPE => Ok(MINFO),
+ mx::Record::TYPE => Ok(MX),
+ txt::Record::TYPE => Ok(TXT),
+ aaaa::Record::TYPE => Ok(AAAA),
+ srv::Record::TYPE => Ok(SRV),
+ axfr::Record::TYPE => Ok(AXFR),
+ mailb::Record::TYPE => Ok(MAILB),
+ maila::Record::TYPE => Ok(MAILA),
+ all::Record::TYPE => Ok(All),
+ x => Err(Error::InvalidQueryType(x as u16)),
+ }
+ }
+}
+
+impl QueryClass {
+ /// Parse a query class code
+ pub fn parse(code: u16) -> Result<QueryClass, Error> {
+ use self::QueryClass::*;
+ match code {
+ 1 => Ok(IN),
+ 2 => Ok(CS),
+ 3 => Ok(CH),
+ 4 => Ok(HS),
+ 255 => Ok(Any),
+ x => Err(Error::InvalidQueryClass(x)),
+ }
+ }
+}
+
+impl Type {
+ /// Parse a type code
+ pub fn parse(code: u16) -> Result<Type, Error> {
+ use self::Type::*;
+ match code as isize {
+ a::Record::TYPE => Ok(A),
+ ns::Record::TYPE => Ok(NS),
+ mf::Record::TYPE => Ok(MF),
+ cname::Record::TYPE => Ok(CNAME),
+ soa::Record::TYPE => Ok(SOA),
+ mb::Record::TYPE => Ok(MB),
+ mg::Record::TYPE => Ok(MG),
+ mr::Record::TYPE => Ok(MR),
+ null::Record::TYPE => Ok(NULL),
+ wks::Record::TYPE => Ok(WKS),
+ ptr::Record::TYPE => Ok(PTR),
+ hinfo::Record::TYPE => Ok(HINFO),
+ minfo::Record::TYPE => Ok(MINFO),
+ mx::Record::TYPE => Ok(MX),
+ txt::Record::TYPE => Ok(TXT),
+ aaaa::Record::TYPE => Ok(AAAA),
+ srv::Record::TYPE => Ok(SRV),
+ opt::Record::TYPE => Ok(OPT),
+ nsec::Record::TYPE => Ok(NSEC),
+ x => Err(Error::InvalidType(x as u16)),
+ }
+ }
+}
+
+impl Class {
+ /// Parse a class code
+ pub fn parse(code: u16) -> Result<Class, Error> {
+ use self::Class::*;
+ match code {
+ 1 => Ok(IN),
+ 2 => Ok(CS),
+ 3 => Ok(CH),
+ 4 => Ok(HS),
+ x => Err(Error::InvalidClass(x)),
+ }
+ }
+}
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