dns_message_parser/decode/
error.rs

1use crate::rr::edns::{CookieError, ExtendedDNSErrorExtraTextError};
2use crate::rr::{AddressError, Class, ISDNError, PSDNAddressError, TagError, Type};
3use crate::{Dns, DomainName, DomainNameError, LabelError};
4use hex::FromHexError;
5use std::str::Utf8Error;
6use thiserror::Error;
7
8#[derive(Debug, PartialEq, Error)]
9pub enum DecodeError {
10    #[error("Not enough bytes to decode: got {0} offset {1}")]
11    NotEnoughBytes(usize, usize),
12    #[error("Too many bytes to decode: got {0} parsed {1}")]
13    TooManyBytes(usize, usize),
14    #[error("DNS packet is too big: {0}")]
15    DnsPacketTooBig(usize),
16    #[error("Could not decode Opcode: {0}")]
17    Opcode(u8),
18    #[error("Z bit is not zero: {0}")]
19    ZNotZeroes(u8),
20    #[error("Could not decode RCode: {0}")]
21    RCode(u8),
22    #[error("Could not decode Type: {0}")]
23    Type(u16),
24    #[error("Could not decode Class: {0}")]
25    Class(u16),
26    #[error("Could not decode QType: {0}")]
27    QType(u16),
28    #[error("Could not decode QClass: {0}")]
29    QClass(u16),
30    #[error("Could not decode string as UTF-8: {0}")]
31    Utf8Error(#[from] Utf8Error),
32    #[error("Could not decode label: {0}")]
33    LabelError(#[from] LabelError),
34    #[error("Could not decode domain name: {0}")]
35    DomainNameError(#[from] DomainNameError),
36    #[error("Decode of type {0} is not yet implemented")]
37    NotYetImplemented(Type),
38    #[error("Could not decode hex string: {0}")]
39    FromHexError(#[from] FromHexError),
40    #[error("Offset is not zero: {0}")]
41    Offset(usize),
42    #[error("Class is not IN for A record: {0}")]
43    AClass(Class),
44    #[error("Class is not IN for WKS record: {0}")]
45    WKSClass(Class),
46    #[error("The RData of the TXT is empty")]
47    TXTEmpty,
48    #[error("Could not decode AFSDBSubtype: {0}")]
49    AFSDBSubtype(u16),
50    #[error("Could not decode PSDN address: {0}")]
51    PSDNAddressError(#[from] PSDNAddressError),
52    #[error("Could not decode ISDN: {0}")]
53    ISDNError(#[from] ISDNError),
54    #[error("Could not decode GPOS")]
55    GPOS,
56    #[error("Class is not IN for AAAA record: {0}")]
57    AAAAClass(Class),
58    #[error("Domain name is not root: {0}")]
59    OPTDomainName(DomainName),
60    #[error("OPT header bits is not zero: {0}")]
61    OPTZero(u8),
62    #[error("Could not decode ENDSOptionCode: {0}")]
63    EDNSOptionCode(u16),
64    #[error("Could not decode Address: {0}")]
65    AddressError(#[from] AddressError),
66    #[error("Class is not IN for APL record: {0}")]
67    APLClass(Class),
68    #[error("Could not decode Cookie: {0}")]
69    CookieError(#[from] CookieError),
70    #[error("Could not decode AddressNumber: {0}")]
71    EcsAddressNumber(u16),
72    #[error("Could not decode EcsAddressNumber: {0}")]
73    ExtendedDNSErrorCodes(u16),
74    #[error("Could not decode ExtendedDNSErrorExtraText: {0}")]
75    ExtendedDNSErrorExtraTextError(#[from] ExtendedDNSErrorExtraTextError),
76    #[error("The IPv4 Address is too big: {0}")]
77    EcsTooBigIpv4Address(usize),
78    #[error("The IPv6 Address is too big: {0}")]
79    EcsTooBigIpv6Address(usize),
80    #[error("The cookie length is not 8 or between 16 and 40 bytes: {0}")]
81    CookieLength(usize),
82    #[error("Could not decode SSHFPAlgorithm: {0}")]
83    SSHFPAlgorithm(u8),
84    #[error("Could not decode SSHFPType: {0}")]
85    SSHFPType(u8),
86    #[error("Could not decode AlgorithmType: {0}")]
87    AlgorithmType(u8),
88    #[error("Could not decode DigestType: {0}")]
89    DigestType(u8),
90    #[error("The undefined flags are not zero: {0}")]
91    DNSKEYZeroFlags(u16),
92    #[error("DNSKEY protocol is not equal 3: {0}")]
93    DNSKEYProtocol(u8),
94    #[error("Could not decode the domain name, the because maximum recursion is reached: {0}")]
95    MaxRecursion(usize),
96    #[error("Could not decode the domain name, because an endless recursion was detected: {0}")]
97    EndlessRecursion(u16),
98    #[error("The are remaining bytes, which was not parsed")]
99    RemainingBytes(usize, Dns),
100    #[error("Padding is not zero: {0}")]
101    PaddingZero(u8),
102    #[error("Padding length is too long for u16: {0}")]
103    PaddingLength(usize),
104    #[error("Could not decode Tag: {0}")]
105    TagError(#[from] TagError),
106    #[error("ECH length mismatch. Expected {0} got {1}")]
107    ECHLengthMismatch(usize, usize),
108}
dns_message_parser/decode/error.rs

dns_message_parser/decode/
error.rs
