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
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
|
// Copyright (C) 2012-2015 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <algorithm>
#include <string>
#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>
#include <util/unittests/wiredata.h>
#include <boost/algorithm/string.hpp>
using namespace std;
using namespace isc;
using namespace isc::dns;
using namespace isc::util;
using namespace isc::dns::rdata;
using isc::UnitTestUtil;
using isc::util::unittests::matchWireData;
namespace {
class Rdata_SSHFP_Test : public RdataTest {
protected:
Rdata_SSHFP_Test() :
sshfp_txt("2 1 123456789abcdef67890123456789abcdef67890"),
rdata_sshfp(sshfp_txt)
{}
void checkFromText_None(const string& rdata_str) {
checkFromText<generic::SSHFP, isc::Exception, isc::Exception>(
rdata_str, rdata_sshfp, false, false);
}
void checkFromText_InvalidText(const string& rdata_str) {
checkFromText<generic::SSHFP, InvalidRdataText, InvalidRdataText>(
rdata_str, rdata_sshfp, true, true);
}
void checkFromText_LexerError(const string& rdata_str) {
checkFromText
<generic::SSHFP, InvalidRdataText, MasterLexer::LexerError>(
rdata_str, rdata_sshfp, true, true);
}
void checkFromText_BadString(const string& rdata_str) {
checkFromText
<generic::SSHFP, InvalidRdataText, isc::Exception>(
rdata_str, rdata_sshfp, true, false);
}
const string sshfp_txt;
const generic::SSHFP rdata_sshfp;
};
const uint8_t rdata_sshfp_wiredata[] = {
// algorithm
0x02,
// fingerprint type
0x01,
// fingerprint
0x12, 0x34, 0x56, 0x78,
0x9a, 0xbc, 0xde, 0xf6,
0x78, 0x90, 0x12, 0x34,
0x56, 0x78, 0x9a, 0xbc,
0xde, 0xf6, 0x78, 0x90
};
TEST_F(Rdata_SSHFP_Test, createFromText) {
// Basic test
checkFromText_None(sshfp_txt);
// With different spacing
checkFromText_None("2 1 123456789abcdef67890123456789abcdef67890");
// Combination of lowercase and uppercase
checkFromText_None("2 1 123456789ABCDEF67890123456789abcdef67890");
// spacing in the fingerprint field
checkFromText_None("2 1 123456789abcdef67890 123456789abcdef67890");
// multi-line fingerprint field
checkFromText_None("2 1 ( 123456789abcdef67890\n 123456789abcdef67890 )");
// string constructor throws if there's extra text,
// but lexer constructor doesn't
checkFromText_BadString(sshfp_txt + "\n" + sshfp_txt);
}
TEST_F(Rdata_SSHFP_Test, algorithmTypes) {
// Some of these may not be RFC conformant, but we relax the check
// in our code to work with algorithm and fingerprint types that may
// show up in the future.
EXPECT_NO_THROW(const generic::SSHFP rdata_sshfp("1 1 12ab"));
EXPECT_NO_THROW(const generic::SSHFP rdata_sshfp("2 1 12ab"));
EXPECT_NO_THROW(const generic::SSHFP rdata_sshfp("3 1 12ab"));
EXPECT_NO_THROW(const generic::SSHFP rdata_sshfp("128 1 12ab"));
EXPECT_NO_THROW(const generic::SSHFP rdata_sshfp("255 1 12ab"));
EXPECT_NO_THROW(const generic::SSHFP rdata_sshfp("1 1 12ab"));
EXPECT_NO_THROW(const generic::SSHFP rdata_sshfp("1 2 12ab"));
EXPECT_NO_THROW(const generic::SSHFP rdata_sshfp("1 3 12ab"));
EXPECT_NO_THROW(const generic::SSHFP rdata_sshfp("1 128 12ab"));
EXPECT_NO_THROW(const generic::SSHFP rdata_sshfp("1 255 12ab"));
// 0 is reserved, but we allow that too
EXPECT_NO_THROW(const generic::SSHFP rdata_sshfp("0 1 12ab"));
EXPECT_NO_THROW(const generic::SSHFP rdata_sshfp("1 0 12ab"));
// > 255 would be broken
EXPECT_THROW(const generic::SSHFP rdata_sshfp("256 1 12ab"),
InvalidRdataText);
EXPECT_THROW(const generic::SSHFP rdata_sshfp("2 256 12ab"),
InvalidRdataText);
}
TEST_F(Rdata_SSHFP_Test, badText) {
checkFromText_LexerError("1");
checkFromText_LexerError("ONE 2 123456789abcdef67890123456789abcdef67890");
checkFromText_LexerError("1 TWO 123456789abcdef67890123456789abcdef67890");
checkFromText_InvalidText("1 2 BUCKLEMYSHOE");
checkFromText_InvalidText(sshfp_txt + " extra text");
// yes, these are redundant to the last test cases in algorithmTypes
checkFromText_InvalidText(
"2345 1 123456789abcdef67890123456789abcdef67890");
checkFromText_InvalidText(
"2 1234 123456789abcdef67890123456789abcdef67890");
// negative values are trapped in the lexer rather than the constructor
checkFromText_LexerError("-2 1 123456789abcdef67890123456789abcdef67890");
checkFromText_LexerError("2 -1 123456789abcdef67890123456789abcdef67890");
}
TEST_F(Rdata_SSHFP_Test, copyAndAssign) {
// Copy construct
generic::SSHFP rdata_sshfp2(rdata_sshfp);
EXPECT_EQ(0, rdata_sshfp.compare(rdata_sshfp2));
// Assignment, mainly to confirm it doesn't cause disruption.
rdata_sshfp2 = rdata_sshfp;
EXPECT_EQ(0, rdata_sshfp.compare(rdata_sshfp2));
}
TEST_F(Rdata_SSHFP_Test, createFromWire) {
// Basic test
EXPECT_EQ(0, rdata_sshfp.compare(
*rdataFactoryFromFile(RRType("SSHFP"), RRClass("IN"),
"rdata_sshfp_fromWire")));
// Combination of lowercase and uppercase
EXPECT_EQ(0, rdata_sshfp.compare(
*rdataFactoryFromFile(RRType("SSHFP"), RRClass("IN"),
"rdata_sshfp_fromWire2")));
// algorithm=1, fingerprint=1
EXPECT_NO_THROW(rdataFactoryFromFile(RRType("SSHFP"), RRClass("IN"),
"rdata_sshfp_fromWire3.wire"));
// algorithm=255, fingerprint=1
EXPECT_NO_THROW(rdataFactoryFromFile(RRType("SSHFP"), RRClass("IN"),
"rdata_sshfp_fromWire4.wire"));
// algorithm=0, fingerprint=1
EXPECT_NO_THROW(rdataFactoryFromFile(RRType("SSHFP"), RRClass("IN"),
"rdata_sshfp_fromWire5.wire"));
// algorithm=5, fingerprint=0
EXPECT_NO_THROW(rdataFactoryFromFile(RRType("SSHFP"), RRClass("IN"),
"rdata_sshfp_fromWire6.wire"));
// algorithm=255, fingerprint=255
EXPECT_NO_THROW(rdataFactoryFromFile(RRType("SSHFP"), RRClass("IN"),
"rdata_sshfp_fromWire7.wire"));
// short fingerprint data
EXPECT_NO_THROW(rdataFactoryFromFile(RRType("SSHFP"), RRClass("IN"),
"rdata_sshfp_fromWire8.wire"));
// fingerprint is shorter than rdata len
EXPECT_THROW(rdataFactoryFromFile(RRType("SSHFP"), RRClass("IN"),
"rdata_sshfp_fromWire9"),
InvalidBufferPosition);
// fingerprint is missing
EXPECT_THROW(rdataFactoryFromFile(RRType("SSHFP"), RRClass("IN"),
"rdata_sshfp_fromWire10"),
InvalidBufferPosition);
// all rdata is missing
EXPECT_THROW(rdataFactoryFromFile(RRType("SSHFP"), RRClass("IN"),
"rdata_sshfp_fromWire11"),
InvalidBufferPosition);
}
TEST_F(Rdata_SSHFP_Test, createFromParams) {
const generic::SSHFP rdata_sshfp2(
2, 1, "123456789abcdef67890123456789abcdef67890");
EXPECT_EQ(0, rdata_sshfp2.compare(rdata_sshfp));
}
TEST_F(Rdata_SSHFP_Test, toText) {
EXPECT_TRUE(boost::iequals(sshfp_txt, rdata_sshfp.toText()));
const string sshfp_txt2("2 1");
const generic::SSHFP rdata_sshfp2(sshfp_txt2);
EXPECT_TRUE(boost::iequals(sshfp_txt2, rdata_sshfp2.toText()));
const generic::SSHFP rdata_sshfp3("2 1 ");
EXPECT_TRUE(boost::iequals(sshfp_txt2, rdata_sshfp3.toText()));
}
TEST_F(Rdata_SSHFP_Test, toWire) {
this->obuffer.clear();
rdata_sshfp.toWire(this->obuffer);
EXPECT_EQ(sizeof (rdata_sshfp_wiredata),
this->obuffer.getLength());
matchWireData(rdata_sshfp_wiredata, sizeof(rdata_sshfp_wiredata),
obuffer.getData(), obuffer.getLength());
}
TEST_F(Rdata_SSHFP_Test, compare) {
const generic::SSHFP rdata_sshfp2("2 1");
EXPECT_EQ(-1, rdata_sshfp2.compare(rdata_sshfp));
EXPECT_EQ(1, rdata_sshfp.compare(rdata_sshfp2));
}
TEST_F(Rdata_SSHFP_Test, getAlgorithmNumber) {
EXPECT_EQ(2, rdata_sshfp.getAlgorithmNumber());
}
TEST_F(Rdata_SSHFP_Test, getFingerprintType) {
EXPECT_EQ(1, rdata_sshfp.getFingerprintType());
}
TEST_F(Rdata_SSHFP_Test, getFingerprint) {
const std::vector<uint8_t>& fingerprint =
rdata_sshfp.getFingerprint();
EXPECT_EQ(rdata_sshfp.getFingerprintLength(),
fingerprint.size());
for (size_t i = 0; i < fingerprint.size(); ++i) {
EXPECT_EQ(rdata_sshfp_wiredata[i + 2],
fingerprint.at(i));
}
}
TEST_F(Rdata_SSHFP_Test, getFingerprintLength) {
EXPECT_EQ(20, rdata_sshfp.getFingerprintLength());
}
TEST_F(Rdata_SSHFP_Test, emptyFingerprintFromWire) {
const uint8_t rdf_wiredata[] = {
// algorithm
0x04,
// fingerprint type
0x09
};
const generic::SSHFP rdf =
dynamic_cast<const generic::SSHFP&>
(*rdataFactoryFromFile(RRType("SSHFP"), RRClass("IN"),
"rdata_sshfp_fromWire12"));
EXPECT_EQ(4, rdf.getAlgorithmNumber());
EXPECT_EQ(9, rdf.getFingerprintType());
EXPECT_EQ(0, rdf.getFingerprintLength());
this->obuffer.clear();
rdf.toWire(this->obuffer);
EXPECT_EQ(2, this->obuffer.getLength());
matchWireData(rdf_wiredata, sizeof(rdf_wiredata),
obuffer.getData(), obuffer.getLength());
}
TEST_F(Rdata_SSHFP_Test, emptyFingerprintFromString) {
const generic::SSHFP rdata_sshfp2("5 6");
const uint8_t rdata_sshfp2_wiredata[] = {
// algorithm
0x05,
// fingerprint type
0x06
};
EXPECT_EQ(5, rdata_sshfp2.getAlgorithmNumber());
EXPECT_EQ(6, rdata_sshfp2.getFingerprintType());
EXPECT_EQ(0, rdata_sshfp2.getFingerprintLength());
this->obuffer.clear();
rdata_sshfp2.toWire(this->obuffer);
EXPECT_EQ(2, this->obuffer.getLength());
matchWireData(rdata_sshfp2_wiredata, sizeof(rdata_sshfp2_wiredata),
obuffer.getData(), obuffer.getLength());
}
}
|
