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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
// Copyright (C) 2010 Internet Systems Consortium, Inc. ("ISC")
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
#include <string>
#include <exceptions/exceptions.h>
#include <util/buffer.h>
#include <dns/messagerenderer.h>
#include <dns/rdata.h>
#include <dns/rdataclass.h>
#include <dns/rrclass.h>
#include <dns/rrtype.h>
#include <gtest/gtest.h>
#include <dns/tests/unittest_util.h>
#include <dns/tests/rdata_unittest.h>
using isc::UnitTestUtil;
using namespace std;
using namespace isc;
using namespace isc::dns;
using namespace isc::util;
using namespace isc::dns::rdata;
namespace {
class Rdata_NSEC3PARAM_Test : public RdataTest {
protected:
Rdata_NSEC3PARAM_Test() :
nsec3param_txt("1 1 1 D399EAAB"),
nsec3param_nosalt_txt("1 1 1 -"),
rdata_nsec3param(nsec3param_txt)
{}
void checkFromText_None(const string& rdata_str) {
checkFromText<generic::NSEC3PARAM, isc::Exception, isc::Exception>(
rdata_str, rdata_nsec3param, false, false);
}
void checkFromText_InvalidText(const string& rdata_str) {
checkFromText<generic::NSEC3PARAM, InvalidRdataText, InvalidRdataText>(
rdata_str, rdata_nsec3param, true, true);
}
void checkFromText_BadValue(const string& rdata_str) {
checkFromText<generic::NSEC3PARAM, BadValue, BadValue>(
rdata_str, rdata_nsec3param, true, true);
}
void checkFromText_LexerError(const string& rdata_str) {
checkFromText
<generic::NSEC3PARAM, InvalidRdataText, MasterLexer::LexerError>(
rdata_str, rdata_nsec3param, true, true);
}
void checkFromText_BadString(const string& rdata_str,
const generic::NSEC3PARAM& rdata)
{
checkFromText
<generic::NSEC3PARAM, InvalidRdataText, isc::Exception>(
rdata_str, rdata, true, false);
}
const string nsec3param_txt;
const string nsec3param_nosalt_txt;
const generic::NSEC3PARAM rdata_nsec3param;
};
TEST_F(Rdata_NSEC3PARAM_Test, fromText) {
// Empty salt is okay.
EXPECT_EQ(0, generic::NSEC3PARAM(nsec3param_nosalt_txt).getSalt().size());
// Salt is missing.
checkFromText_LexerError("1 1 1");
// Salt has whitespace within. This only fails in the string
// constructor, as the lexer constructor stops reading at the end of
// its RDATA.
const generic::NSEC3PARAM rdata_nsec3param2("1 1 1 D399");
checkFromText_BadString("1 1 1 D399 EAAB", rdata_nsec3param2);
// Hash algorithm out of range.
checkFromText_InvalidText("256 1 1 D399EAAB");
// Flags out of range.
checkFromText_InvalidText("1 256 1 D399EAAB");
// Iterations out of range.
checkFromText_InvalidText("1 1 65536 D399EAAB");
// Bad hex sequence
checkFromText_BadValue("1 1 256 D399EAABZOO");
// String instead of number
checkFromText_LexerError("foo 1 256 D399EAAB");
checkFromText_LexerError("1 foo 256 D399EAAB");
checkFromText_LexerError("1 1 foo D399EAAB");
// Trailing garbage. This should cause only the string constructor
// to fail, but the lexer constructor must be able to continue
// parsing from it.
checkFromText_BadString("1 1 1 D399EAAB ; comment\n"
"1 1 1 D399EAAB", rdata_nsec3param);
}
TEST_F(Rdata_NSEC3PARAM_Test, toText) {
EXPECT_EQ(nsec3param_txt, rdata_nsec3param.toText());
// Garbage space at the end should be ok. RFC5155 only forbids
// whitespace within the salt field, but any whitespace afterwards
// should be fine.
EXPECT_NO_THROW(generic::NSEC3PARAM("1 1 1 D399EAAB "));
// Hash algorithm in range.
EXPECT_NO_THROW(generic::NSEC3PARAM("255 1 1 D399EAAB"));
// Flags in range.
EXPECT_NO_THROW(generic::NSEC3PARAM("1 255 1 D399EAAB"));
// Iterations in range.
EXPECT_NO_THROW(generic::NSEC3PARAM("1 1 65535 D399EAAB"));
}
TEST_F(Rdata_NSEC3PARAM_Test, createFromWire) {
EXPECT_EQ(0, rdata_nsec3param.compare(
*rdataFactoryFromFile(RRType::NSEC3PARAM(), RRClass::IN(),
"rdata_nsec3param_fromWire1")));
// Short buffer cases. The data is valid NSEC3PARAM RDATA, but the buffer
// is trimmed at the end. All cases should result in an exception from
// the buffer class.
vector<uint8_t> data;
UnitTestUtil::readWireData("rdata_nsec3param_fromWire1", data);
const uint16_t rdlen = (data.at(0) << 8) + data.at(1);
for (int i = 0; i < rdlen; ++i) {
// intentionally construct a short buffer
InputBuffer b(&data[0] + 2, i);
EXPECT_THROW(createRdata(RRType::NSEC3PARAM(), RRClass::IN(), b, 9),
InvalidBufferPosition);
}
}
TEST_F(Rdata_NSEC3PARAM_Test, createFromLexer) {
EXPECT_EQ(0, rdata_nsec3param.compare(
*test::createRdataUsingLexer(RRType::NSEC3PARAM(), RRClass::IN(),
nsec3param_txt)));
// empty salt is also okay.
const generic::NSEC3PARAM rdata_nosalt_nsec3param(nsec3param_nosalt_txt);
EXPECT_EQ(0, rdata_nosalt_nsec3param.compare(
*test::createRdataUsingLexer(RRType::NSEC3PARAM(), RRClass::IN(),
nsec3param_nosalt_txt)));
}
TEST_F(Rdata_NSEC3PARAM_Test, toWireRenderer) {
renderer.skip(2);
rdata_nsec3param.toWire(renderer);
vector<unsigned char> data;
UnitTestUtil::readWireData("rdata_nsec3param_fromWire1", data);
EXPECT_PRED_FORMAT4(UnitTestUtil::matchWireData,
static_cast<const uint8_t *>(renderer.getData()) + 2,
renderer.getLength() - 2, &data[2], data.size() - 2);
}
TEST_F(Rdata_NSEC3PARAM_Test, toWireBuffer) {
rdata_nsec3param.toWire(obuffer);
vector<unsigned char> data;
UnitTestUtil::readWireData("rdata_nsec3param_fromWire1", data);
EXPECT_PRED_FORMAT4(UnitTestUtil::matchWireData,
obuffer.getData(), obuffer.getLength(),
&data[2], data.size() - 2);
}
TEST_F(Rdata_NSEC3PARAM_Test, getHashAlg) {
EXPECT_EQ(1, rdata_nsec3param.getHashalg());
}
TEST_F(Rdata_NSEC3PARAM_Test, getFlags) {
EXPECT_EQ(1, rdata_nsec3param.getFlags());
}
TEST_F(Rdata_NSEC3PARAM_Test, assign) {
generic::NSEC3PARAM other_nsec3param("1 1 1 -");
other_nsec3param = rdata_nsec3param;
EXPECT_EQ(0, rdata_nsec3param.compare(other_nsec3param));
}
TEST_F(Rdata_NSEC3PARAM_Test, compare) {
// trivial case: self equivalence
EXPECT_EQ(0, generic::NSEC3PARAM(nsec3param_txt).
compare(generic::NSEC3PARAM(nsec3param_txt)));
EXPECT_EQ(0, generic::NSEC3PARAM("1 1 1 -").
compare(generic::NSEC3PARAM("1 1 1 -")));
// comparison attempt between incompatible RR types should be rejected
EXPECT_THROW(generic::NSEC3PARAM(nsec3param_txt).compare(*rdata_nomatch),
bad_cast);
}
}
|
