dns_parser/rdata/
ptr.rs

1use Name;
2
3#[derive(Debug, Clone, Copy)]
4pub struct Record<'a>(pub Name<'a>);
5
6impl<'a> ToString for Record<'a> {
7    #[inline]
8    fn to_string(&self) -> String {
9        self.0.to_string()
10    }
11}
12
13impl<'a> super::Record<'a> for Record<'a> {
14
15    const TYPE: isize = 12;
16
17    fn parse(rdata: &'a [u8], original: &'a [u8]) -> super::RDataResult<'a> {
18        let name = Name::scan(rdata, original)?;
19        let record = Record(name);
20        Ok(super::RData::PTR(record))
21    }
22}
23
24#[cfg(test)]
25mod test {
26
27    use {Packet, Header};
28    use Opcode::*;
29    use ResponseCode::NoError;
30    use QueryType as QT;
31    use QueryClass as QC;
32    use Class as C;
33    use RData;
34
35    #[test]
36    fn parse_response() {
37        let response = b"\x53\xd6\x81\x80\x00\x01\x00\x01\x00\x00\x00\x00\
38                           \x0269\x0293\x0275\x0272\x07in-addr\x04arpa\x00\
39                           \x00\x0c\x00\x01\
40                           \xc0\x0c\x00\x0c\x00\x01\x00\x01\x51\x80\x00\x1e\
41                           \x10pool-72-75-93-69\x07verizon\x03net\x00";
42        let packet = Packet::parse(response).unwrap();
43        assert_eq!(packet.header, Header {
44            id: 21462,
45            query: false,
46            opcode: StandardQuery,
47            authoritative: false,
48            truncated: false,
49            recursion_desired: true,
50            recursion_available: true,
51            authenticated_data: false,
52            checking_disabled: false,
53            response_code: NoError,
54            questions: 1,
55            answers: 1,
56            nameservers: 0,
57            additional: 0,
58        });
59        assert_eq!(packet.questions.len(), 1);
60        assert_eq!(packet.questions[0].qtype, QT::PTR);
61        assert_eq!(packet.questions[0].qclass, QC::IN);
62        assert_eq!(&packet.questions[0].qname.to_string()[..], "69.93.75.72.in-addr.arpa");
63        assert_eq!(packet.answers.len(), 1);
64        assert_eq!(&packet.answers[0].name.to_string()[..], "69.93.75.72.in-addr.arpa");
65        assert_eq!(packet.answers[0].cls, C::IN);
66        assert_eq!(packet.answers[0].ttl, 86400);
67        match packet.answers[0].data {
68            RData::PTR(name) => {
69                assert_eq!(&name.0.to_string()[..], "pool-72-75-93-69.verizon.net");
70            }
71            ref x => panic!("Wrong rdata {:?}", x),
72        }
73    }
74}
dns_parser/rdata/ptr.rs

dns_parser/rdata/
ptr.rs
