dns_parser/rdata/
aaaa.rs

1use std::net::Ipv6Addr;
2
3use Error;
4use byteorder::{BigEndian, ByteOrder};
5
6#[derive(Debug, PartialEq, Eq, Clone, Copy)]
7pub struct Record(pub Ipv6Addr);
8
9impl<'a> super::Record<'a> for Record {
10
11    const TYPE: isize = 28;
12
13    fn parse(rdata: &'a [u8], _record: &'a [u8]) -> super::RDataResult<'a> {
14        if rdata.len() != 16 {
15            return Err(Error::WrongRdataLength);
16        }
17        let address = Ipv6Addr::new(
18            BigEndian::read_u16(&rdata[0..2]),
19            BigEndian::read_u16(&rdata[2..4]),
20            BigEndian::read_u16(&rdata[4..6]),
21            BigEndian::read_u16(&rdata[6..8]),
22            BigEndian::read_u16(&rdata[8..10]),
23            BigEndian::read_u16(&rdata[10..12]),
24            BigEndian::read_u16(&rdata[12..14]),
25            BigEndian::read_u16(&rdata[14..16]),
26            );
27        let record = Record(address);
28        Ok(super::RData::AAAA(record))
29    }
30}
31
32#[cfg(test)]
33mod test {
34
35    use {Packet, Header};
36    use Opcode::*;
37    use ResponseCode::NoError;
38    use QueryType as QT;
39    use QueryClass as QC;
40    use Class as C;
41    use RData;
42    use super::*;
43
44    #[test]
45    fn parse_response() {
46        let response = b"\xa9\xd9\x81\x80\x00\x01\x00\x01\x00\x00\x00\x00\x06\
47            google\x03com\x00\x00\x1c\x00\x01\xc0\x0c\x00\x1c\x00\x01\x00\x00\
48            \x00\x8b\x00\x10*\x00\x14P@\t\x08\x12\x00\x00\x00\x00\x00\x00 \x0e";
49
50        let packet = Packet::parse(response).unwrap();
51        assert_eq!(packet.header, Header {
52            id: 43481,
53            query: false,
54            opcode: StandardQuery,
55            authoritative: false,
56            truncated: false,
57            recursion_desired: true,
58            recursion_available: true,
59            authenticated_data: false,
60            checking_disabled: false,
61            response_code: NoError,
62            questions: 1,
63            answers: 1,
64            nameservers: 0,
65            additional: 0,
66        });
67
68        assert_eq!(packet.questions.len(), 1);
69        assert_eq!(packet.questions[0].qtype, QT::AAAA);
70        assert_eq!(packet.questions[0].qclass, QC::IN);
71        assert_eq!(&packet.questions[0].qname.to_string()[..], "google.com");
72        assert_eq!(packet.answers.len(), 1);
73        assert_eq!(&packet.answers[0].name.to_string()[..], "google.com");
74        assert_eq!(packet.answers[0].cls, C::IN);
75        assert_eq!(packet.answers[0].ttl, 139);
76        match packet.answers[0].data {
77            RData::AAAA(addr) => {
78                assert_eq!(addr.0, Ipv6Addr::new(
79                    0x2A00, 0x1450, 0x4009, 0x812, 0, 0, 0, 0x200e)
80                );
81            }
82            ref x => panic!("Wrong rdata {:?}", x),
83        }
84    }
85}
dns_parser/rdata/aaaa.rs

dns_parser/rdata/
aaaa.rs
