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// Copyright (C) 2012-2013 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 <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 <boost/algorithm/string.hpp>
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_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());
EXPECT_PRED_FORMAT4(UnitTestUtil::matchWireData,
this->obuffer.getData(),
this->obuffer.getLength(),
rdata_sshfp_wiredata, sizeof(rdata_sshfp_wiredata));
}
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 (int 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());
EXPECT_PRED_FORMAT4(UnitTestUtil::matchWireData,
this->obuffer.getData(),
this->obuffer.getLength(),
rdf_wiredata, sizeof(rdf_wiredata));
}
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());
EXPECT_PRED_FORMAT4(UnitTestUtil::matchWireData,
this->obuffer.getData(),
this->obuffer.getLength(),
rdata_sshfp2_wiredata, sizeof(rdata_sshfp2_wiredata));
}
}
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