1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
// test_case seem to generate this warning - ignore it
#![allow(clippy::unused_unit)]
use der_parser::ber::Tag;
use der_parser::der::*;
use der_parser::error::*;
use hex_literal::hex;
use nom::combinator::map;
use nom::error::ErrorKind;
use nom::sequence::tuple;
use nom::{Err, Needed};
use test_case::test_case;
#[test_case(&hex!("a2 05 02 03 01 00 01"), Ok(0x10001) ; "tag ok")]
#[test_case(&hex!("a2 80 02 03 01 00 01 00 00"), Err(BerError::DerConstraintFailed(DerConstraint::IndefiniteLength)) ; "indefinite tag ok")]
#[test_case(&hex!("a3 05 02 03 01 00 01"), Err(BerError::unexpected_tag(Some(Tag(2)), Tag(3))) ; "invalid tag")]
#[test_case(&hex!("22 05 02 03 01 00 01"), Err(BerError::unexpected_class(None, Class::Universal)) ; "invalid class")]
#[test_case(&hex!("82 05 02 03 01 00 01"), Err(BerError::ConstructExpected) ; "construct expected")]
fn tc_der_tagged_explicit_g(i: &[u8], out: Result<u32, BerError>) {
fn parse_int_explicit(i: &[u8]) -> BerResult<u32> {
parse_der_tagged_explicit_g(2, move |content, _hdr| {
let (rem, obj) = parse_der_integer(content)?;
let value = obj.as_u32()?;
Ok((rem, value))
})(i)
}
let res = parse_int_explicit(i);
match out {
Ok(expected) => {
pretty_assertions::assert_eq!(res, Ok((&b""[..], expected)));
}
Err(e) => {
pretty_assertions::assert_eq!(res, Err(Err::Error(e)));
}
}
}
#[test_case(&hex!("82 03 01 00 01"), Ok(0x10001) ; "tag ok")]
#[test_case(&hex!("83 03 01 00 01"), Err(BerError::unexpected_tag(Some(Tag(2)), Tag(3))) ; "invalid tag")]
fn tc_der_tagged_implicit_g(i: &[u8], out: Result<u32, BerError>) {
fn parse_int_implicit(i: &[u8]) -> BerResult<u32> {
parse_der_tagged_implicit_g(2, |content, hdr, depth| {
let (rem, obj) = parse_der_content(Tag::Integer)(content, &hdr, depth)?;
let value = obj.as_u32()?;
Ok((rem, value))
})(i)
}
let res = parse_int_implicit(i);
match out {
Ok(expected) => {
pretty_assertions::assert_eq!(res, Ok((&b""[..], expected)));
}
Err(e) => {
pretty_assertions::assert_eq!(res, Err(Err::Error(e)));
}
}
}
#[test_case(&hex!("30 00"), Ok(&[]) ; "empty seq")]
#[test_case(&hex!("30 0a 02 03 01 00 01 02 03 01 00 00"), Ok(&[0x10001, 0x10000]) ; "seq ok")]
#[test_case(&hex!("30 07 02 03 01 00 01 02 03 01"), Err(BerError::NomError(ErrorKind::Eof)) ; "incomplete")]
#[test_case(&hex!("31 0a 02 03 01 00 01 02 03 01 00 00"), Err(BerError::unexpected_tag(Some(Tag::Sequence), Tag::Set)) ; "invalid tag")]
#[test_case(&hex!("30 80 02 03 01 00 01 00 00"), Err(BerError::DerConstraintFailed(DerConstraint::IndefiniteLength)) ; "indefinite seq ok")]
fn tc_der_seq_of(i: &[u8], out: Result<&[u32], BerError>) {
fn parser(i: &[u8]) -> BerResult {
parse_der_sequence_of(parse_der_integer)(i)
}
let res = parser(i);
match out {
Ok(l) => {
let (rem, res) = res.expect("could not parse sequence of");
assert!(rem.is_empty());
if let DerObjectContent::Sequence(res) = res.content {
pretty_assertions::assert_eq!(res.len(), l.len());
for (a, b) in res.iter().zip(l.iter()) {
pretty_assertions::assert_eq!(a.as_u32().unwrap(), *b);
}
} else {
panic!("wrong type for parsed object");
}
}
Err(e) => {
pretty_assertions::assert_eq!(res, Err(Err::Error(e)));
}
}
}
#[test_case(&hex!("30 0a 02 03 01 00 01 02 03 01 00 00"), Ok(&[0x10001, 0x10000]) ; "seq ok")]
#[test_case(&hex!("30 07 02 03 01 00 01 02 01"), Err(Err::Incomplete(Needed::new(1))) ; "incomplete")]
#[test_case(&hex!("31 0a 02 03 01 00 01 02 03 01 00 00"), Err(Err::Error(BerError::unexpected_tag(Some(Tag::Sequence), Tag::Set))) ; "invalid tag")]
#[test_case(&hex!("30 80 02 03 01 00 01 00 00"), Err(Err::Error(BerError::DerConstraintFailed(DerConstraint::IndefiniteLength))) ; "indefinite seq ok")]
fn tc_der_seq_defined(i: &[u8], out: Result<&[u32], Err<BerError>>) {
fn parser(i: &[u8]) -> BerResult<DerObject> {
parse_der_sequence_defined(map(
tuple((parse_der_integer, parse_der_integer)),
|(a, b)| vec![a, b],
))(i)
}
let res = parser(i);
match out {
Ok(l) => {
let (rem, res) = res.expect("could not parse sequence");
assert!(rem.is_empty());
if let DerObjectContent::Sequence(res) = res.content {
pretty_assertions::assert_eq!(res.len(), l.len());
for (a, b) in res.iter().zip(l.iter()) {
pretty_assertions::assert_eq!(a.as_u32().unwrap(), *b);
}
} else {
panic!("wrong type for parsed object");
}
}
Err(e) => {
pretty_assertions::assert_eq!(res, Err(e));
}
}
}
#[test_case(&hex!("31 00"), Ok(&[]) ; "empty set")]
#[test_case(&hex!("31 0a 02 03 01 00 01 02 03 01 00 00"), Ok(&[0x10001, 0x10000]) ; "set ok")]
#[test_case(&hex!("31 07 02 03 01 00 01 02 03 01"), Err(BerError::NomError(ErrorKind::Eof)) ; "incomplete")]
#[test_case(&hex!("30 0a 02 03 01 00 01 02 03 01 00 00"), Err(BerError::unexpected_tag(Some(Tag::Set), Tag::Sequence)) ; "invalid tag")]
#[test_case(&hex!("31 80 02 03 01 00 01 00 00"), Err(BerError::DerConstraintFailed(DerConstraint::IndefiniteLength)) ; "indefinite set ok")]
fn tc_der_set_of(i: &[u8], out: Result<&[u32], BerError>) {
fn parser(i: &[u8]) -> BerResult {
parse_der_set_of(parse_der_integer)(i)
}
let res = parser(i);
match out {
Ok(l) => {
let (rem, res) = res.expect("could not parse set of");
assert!(rem.is_empty());
if let DerObjectContent::Set(res) = res.content {
pretty_assertions::assert_eq!(res.len(), l.len());
for (a, b) in res.iter().zip(l.iter()) {
pretty_assertions::assert_eq!(a.as_u32().unwrap(), *b);
}
} else {
panic!("wrong type for parsed object");
}
}
Err(e) => {
pretty_assertions::assert_eq!(res, Err(Err::Error(e)));
}
}
}
#[test_case(&hex!("31 0a 02 03 01 00 01 02 03 01 00 00"), Ok(&[0x10001, 0x10000]) ; "set ok")]
#[test_case(&hex!("31 07 02 03 01 00 01 02 01"), Err(Err::Incomplete(Needed::new(1))) ; "incomplete")]
#[test_case(&hex!("30 0a 02 03 01 00 01 02 03 01 00 00"), Err(Err::Error(BerError::unexpected_tag(Some(Tag::Set), Tag::Sequence))) ; "invalid tag")]
#[test_case(&hex!("31 80 02 03 01 00 01 00 00"), Err(Err::Error(BerError::DerConstraintFailed(DerConstraint::IndefiniteLength))) ; "indefinite set ok")]
fn tc_der_set_defined(i: &[u8], out: Result<&[u32], Err<BerError>>) {
fn parser(i: &[u8]) -> BerResult<DerObject> {
parse_der_set_defined(map(
tuple((parse_der_integer, parse_der_integer)),
|(a, b)| vec![a, b],
))(i)
}
let res = parser(i);
match out {
Ok(l) => {
let (rem, res) = res.expect("could not parse set");
assert!(rem.is_empty());
if let DerObjectContent::Set(res) = res.content {
pretty_assertions::assert_eq!(res.len(), l.len());
for (a, b) in res.iter().zip(l.iter()) {
pretty_assertions::assert_eq!(a.as_u32().unwrap(), *b);
}
} else {
panic!("wrong type for parsed object");
}
}
Err(e) => {
pretty_assertions::assert_eq!(res, Err(e));
}
}
}
|
