simple_dns/dns/rdata/
rp.rs

1use crate::{
2    bytes_buffer::BytesBuffer,
3    dns::{Name, WireFormat},
4    lib::{Seek, Write},
5};
6
7use super::RR;
8
9/// RP Responsible Person, [RFC 1183](https://datatracker.ietf.org/doc/html/rfc1183#section-2.2)
10#[derive(Debug, PartialEq, Eq, Hash, Clone)]
11pub struct RP<'a> {
12    /// A [Name](`Name`) which specifies a mailbox for the responsble person.
13    pub mbox: Name<'a>,
14    /// A [Name](`Name`) which specifies a domain name the TXT records.
15    pub txt: Name<'a>,
16}
17
18impl RR for RP<'_> {
19    const TYPE_CODE: u16 = 17;
20}
21
22impl RP<'_> {
23    /// Transforms the inner data into its owned type
24    pub fn into_owned<'b>(self) -> RP<'b> {
25        RP {
26            mbox: self.mbox.into_owned(),
27            txt: self.txt.into_owned(),
28        }
29    }
30}
31
32impl<'a> WireFormat<'a> for RP<'a> {
33    const MINIMUM_LEN: usize = 0;
34    fn parse(data: &mut BytesBuffer<'a>) -> crate::Result<Self>
35    where
36        Self: Sized,
37    {
38        let mbox = Name::parse(data)?;
39        let txt = Name::parse(data)?;
40
41        Ok(RP { mbox, txt })
42    }
43
44    fn write_to<T: Write>(&self, out: &mut T) -> crate::Result<()> {
45        self.mbox.write_to(out)?;
46        self.txt.write_to(out)
47    }
48
49    fn write_compressed_to<T: Write + Seek>(
50        &'a self,
51        out: &mut T,
52        name_refs: &mut crate::lib::BTreeMap<&[crate::Label<'a>], u16>,
53    ) -> crate::Result<()> {
54        self.mbox.write_compressed_to(out, name_refs)?;
55        self.txt.write_compressed_to(out, name_refs)
56    }
57
58    fn len(&self) -> usize {
59        self.txt.len() + self.mbox.len()
60    }
61}
62
63#[cfg(test)]
64mod tests {
65
66    use super::*;
67    use crate::lib::{ToString, Vec};
68
69    #[test]
70    fn parse_and_write_rp() {
71        let rp = RP {
72            mbox: Name::new("mbox.rp.com").unwrap(),
73            txt: Name::new("txt.rp.com").unwrap(),
74        };
75
76        let mut data = Vec::new();
77        assert!(rp.write_to(&mut data).is_ok());
78
79        let rp = RP::parse(&mut data[..].into());
80        assert!(rp.is_ok());
81        let rp = rp.unwrap();
82
83        assert_eq!(data.len(), rp.len());
84        assert_eq!("mbox.rp.com", rp.mbox.to_string());
85        assert_eq!("txt.rp.com", rp.txt.to_string());
86    }
87
88    #[test]
89    #[cfg(feature = "std")]
90    fn parse_sample() -> Result<(), Box<dyn std::error::Error>> {
91        use crate::{rdata::RData, ResourceRecord};
92        let sample_file = std::fs::read("samples/zonefile/RP.sample")?;
93
94        let sample_rdata = match ResourceRecord::parse(&mut sample_file[..].into())?.rdata {
95            RData::RP(rdata) => rdata,
96            _ => unreachable!(),
97        };
98
99        assert_eq!(sample_rdata.mbox, "mbox-dname.sample".try_into()?);
100        assert_eq!(sample_rdata.txt, "txt-dname.sample".try_into()?);
101        Ok(())
102    }
103}
simple_dns/dns/rdata/rp.rs

simple_dns/dns/rdata/
rp.rs
