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// Copyright (C) 2010-2017 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 <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>
using namespace std;
using namespace isc::dns;
using namespace isc::util;
using namespace isc::dns::rdata;
using isc::UnitTestUtil;
using isc::util::unittests::matchWireData;
namespace {
class Rdata_SOA_Test : public RdataTest {
protected:
Rdata_SOA_Test() :
rdata_soa(Name("ns.example.com"),
Name("root.example.com"),
2010012601, 3600, 300, 3600000, 1200)
{}
template <typename ExForString, typename ExForLexer>
void checkFromTextSOA(const string& soa_txt, const Name* origin = NULL,
bool throw_str_version = true,
bool throw_lexer_version = true)
{
checkFromText<generic::SOA, ExForString, ExForLexer>(
soa_txt, rdata_soa, throw_str_version, throw_lexer_version,
origin);
}
const generic::SOA rdata_soa;
};
TEST_F(Rdata_SOA_Test, createFromText) {
// Below we specify isc::Exception as a dummy value for the exception type
// in case it's not expected to throw an exception; the type isn't used
// in the check code.
// A simple case.
checkFromTextSOA<isc::Exception, isc::Exception>(
"ns.example.com. root.example.com. 2010012601 3600 300 3600000 1200",
NULL, false, false);
// Beginning and trailing space are ignored.
checkFromTextSOA<isc::Exception, isc::Exception>(
" ns.example.com. root.example.com. "
"2010012601 3600 300 3600000 1200 ", NULL, false, false);
// using extended TTL-like form for some parameters.
checkFromTextSOA<isc::Exception, isc::Exception>(
"ns.example.com. root.example.com. 2010012601 1H 5M 1000H 20M",
NULL, false, false);
// multi-line.
checkFromTextSOA<isc::Exception, isc::Exception>(
"ns.example.com. (root.example.com.\n"
"2010012601 1H 5M 1000H) 20M", NULL, false, false);
// relative names for MNAME and RNAME with a separate origin (lexer
// version only)
const Name origin("example.com");
checkFromTextSOA<MissingNameOrigin, isc::Exception>(
"ns root 2010012601 1H 5M 1000H 20M", &origin, true, false);
// with the '@' notation with a separate origin (lexer version only;
// string version would throw)
const Name full_mname("ns.example.com");
checkFromTextSOA<MissingNameOrigin, isc::Exception>(
"@ root.example.com. 2010012601 1H 5M 1000H 20M", &full_mname, true,
false);
// bad MNAME/RNAMEs
checkFromTextSOA<EmptyLabel, EmptyLabel>(
"bad..example. . 2010012601 1H 5M 1000H 20M");
checkFromTextSOA<EmptyLabel, EmptyLabel>(
". bad..example. 2010012601 1H 5M 1000H 20M");
// Names shouldn't be quoted.
checkFromTextSOA<InvalidRdataText, MasterLexer::LexerError>(
"\".\" . 0 0 0 0 0");
checkFromTextSOA<InvalidRdataText, MasterLexer::LexerError>(
". \".\" 0 0 0 0 0");
// Missing MAME or RNAME: for the string version, the serial would be
// tried as RNAME and result in "not absolute". For the lexer version,
// it reaches the end-of-line, missing min TTL.
checkFromTextSOA<MissingNameOrigin, MasterLexer::LexerError>(
". 2010012601 0 0 0 0", &Name::ROOT_NAME());
// bad serial. the string version converts lexer error to
// InvalidRdataText.
checkFromTextSOA<InvalidRdataText, MasterLexer::LexerError>(
". . bad 0 0 0 0");
// bad serial; exceeding the uint32_t range (4294967296 = 2^32)
checkFromTextSOA<InvalidRdataText, MasterLexer::LexerError>(
". . 4294967296 0 0 0 0");
// Bad format for other numeric parameters. These will be tried as a TTL,
// and result in an exception there.
checkFromTextSOA<InvalidRRTTL, InvalidRRTTL>(
". . 2010012601 bad 0 0 0");
checkFromTextSOA<InvalidRRTTL, InvalidRRTTL>(
". . 2010012601 4294967296 0 0 0");
checkFromTextSOA<InvalidRRTTL, InvalidRRTTL>(
". . 2010012601 0 bad 0 0");
checkFromTextSOA<InvalidRRTTL, InvalidRRTTL>(
". . 2010012601 0 4294967296 0 0");
checkFromTextSOA<InvalidRRTTL, InvalidRRTTL>(
". . 2010012601 0 0 bad 0");
checkFromTextSOA<InvalidRRTTL, InvalidRRTTL>(
". . 2010012601 0 0 4294967296 0");
checkFromTextSOA<InvalidRRTTL, InvalidRRTTL>(
". . 2010012601 0 0 0 bad");
checkFromTextSOA<InvalidRRTTL, InvalidRRTTL>(
". . 2010012601 0 0 0 4294967296");
// No space between RNAME and serial. This case is the same as missing
// M/RNAME.
checkFromTextSOA<MissingNameOrigin, MasterLexer::LexerError>(
". example.0 0 0 0 0", &Name::ROOT_NAME());
// Extra parameter. string version immediately detects the error.
// lexer version defers the check to the upper layer (we pass origin
// to skip the check with the string version).
checkFromTextSOA<InvalidRdataText, isc::Exception>(
"ns.example.com. root.example.com. 2010012601 1H 5M 1000H 20M "
"extra", &origin, true, false);
// Likewise. Redundant newline is also considered an error. The lexer
// version accepts trailing newline, but not the beginning one (where
// the lexer expects a string excluding newline and EOF).
checkFromTextSOA<InvalidRdataText, isc::Exception>(
"ns.example.com. root.example.com. 2010012601 1H 5M 1000H 20M\n",
NULL, true, false);
checkFromTextSOA<InvalidRdataText, MasterLexer::LexerError>(
"\nns.example.com. root.example.com. 2010012601 1H 5M 1000H 20M",
NULL, true, true);
}
TEST_F(Rdata_SOA_Test, createFromWire) {
EXPECT_EQ(0, rdata_soa.compare(
*rdataFactoryFromFile(RRType("SOA"), RRClass("IN"),
"rdata_soa_fromWire")));
// TBD: more tests
}
TEST_F(Rdata_SOA_Test, createFromLexer) {
EXPECT_EQ(0, rdata_soa.compare(
*test::createRdataUsingLexer(RRType::SOA(), RRClass::IN(),
"ns.example.com. root.example.com. "
"2010012601 3600 300 3600000 1200")));
}
TEST_F(Rdata_SOA_Test, toWireRenderer) {
renderer.skip(2);
rdata_soa.toWire(renderer);
vector<unsigned char> data;
UnitTestUtil::readWireData("rdata_soa_fromWire", data);
matchWireData(&data[2], data.size() - 2,
static_cast<const uint8_t *>(renderer.getData()) + 2,
renderer.getLength() - 2);
}
TEST_F(Rdata_SOA_Test, toWireBuffer) {
obuffer.skip(2);
rdata_soa.toWire(obuffer);
vector<unsigned char> data;
UnitTestUtil::readWireData("rdata_soa_toWireUncompressed.wire", data);
matchWireData(&data[2], data.size() - 2,
static_cast<const uint8_t *>(obuffer.getData()) + 2,
obuffer.getLength() - 2);
}
TEST_F(Rdata_SOA_Test, toText) {
EXPECT_EQ("ns.example.com. root.example.com. "
"2010012601 3600 300 3600000 1200", rdata_soa.toText());
}
TEST_F(Rdata_SOA_Test, getSerial) {
EXPECT_EQ(2010012601, rdata_soa.getSerial().getValue());
}
TEST_F(Rdata_SOA_Test, getMinimum) {
EXPECT_EQ(1200, rdata_soa.getMinimum());
// Also check with a very large number (with the MSB being 1).
EXPECT_EQ(2154848336u, generic::SOA(Name("ns.example.com"),
Name("root.example.com"),
0, 0, 0, 0, 0x80706050).getMinimum());
}
void
compareCheck(const generic::SOA& small, const generic::SOA& large) {
EXPECT_GT(0, small.compare(large));
EXPECT_LT(0, large.compare(small));
}
TEST_F(Rdata_SOA_Test, compare) {
// Check simple equivalence
EXPECT_EQ(0, rdata_soa.compare(generic::SOA(
"ns.example.com. root.example.com. "
"2010012601 3600 300 3600000 1200")));
// Check name comparison is case insensitive
EXPECT_EQ(0, rdata_soa.compare(generic::SOA(
"NS.example.com. root.EXAMPLE.com. "
"2010012601 3600 300 3600000 1200")));
// Check names are compared in the RDATA comparison semantics (different
// from DNSSEC ordering for owner names)
compareCheck(generic::SOA("a.example. . 0 0 0 0 0"),
generic::SOA("example. . 0 0 0 0 0"));
compareCheck(generic::SOA(". a.example. 0 0 0 0 0"),
generic::SOA(". example. 0 0 0 0 0"));
// Compare other numeric fields: 1076895760 = 0x40302010,
// 270544960 = 0x10203040. These are chosen to make sure that machine
// endianness doesn't confuse the comparison results.
compareCheck(generic::SOA(". . 270544960 0 0 0 0"),
generic::SOA(". . 1076895760 0 0 0 0"));
compareCheck(generic::SOA(". . 0 270544960 0 0 0"),
generic::SOA(". . 0 1076895760 0 0 0"));
compareCheck(generic::SOA(". . 0 0 270544960 0 0"),
generic::SOA(". . 0 0 1076895760 0 0"));
compareCheck(generic::SOA(". . 0 0 0 270544960 0"),
generic::SOA(". . 0 0 0 1076895760 0"));
compareCheck(generic::SOA(". . 0 0 0 0 270544960"),
generic::SOA(". . 0 0 0 0 1076895760"));
}
}
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