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// Copyright (C) 2011-2015,2021 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/exceptions.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 namespace isc::dns::rdata::generic;
using isc::UnitTestUtil;
using isc::util::unittests::matchWireData;
namespace {
class Rdata_NAPTR_Test : public RdataTest {
};
// 10 100 "S" "SIP+D2U" "" _sip._udp.example.com.
static uint8_t naptr_rdata[] = {0x00,0x0a,0x00,0x64,0x01,0x53,0x07,0x53,0x49,
0x50,0x2b,0x44,0x32,0x55,0x00,0x04,0x5f,0x73,0x69,0x70,0x04,0x5f,0x75,0x64,
0x70,0x07,0x65,0x78,0x61,0x6d,0x70,0x6c,0x65,0x03,0x63,0x6f,0x6d,0x00};
static const char *naptr_str =
"10 100 \"S\" \"SIP+D2U\" \"\" _sip._udp.example.com.";
static const char *naptr_str2 =
"10 100 S SIP+D2U \"\" _sip._udp.example.com.";
static const char *naptr_str_small1 =
"9 100 \"S\" \"SIP+D2U\" \"\" _sip._udp.example.com.";
static const char *naptr_str_small2 =
"10 90 \"S\" \"SIP+D2U\" \"\" _sip._udp.example.com.";
static const char *naptr_str_small3 =
"10 100 \"R\" \"SIP+D2U\" \"\" _sip._udp.example.com.";
static const char *naptr_str_small4 =
"10 100 \"S\" \"SIP+C2U\" \"\" _sip._udp.example.com.";
static const char *naptr_str_small5 =
"10 100 \"S\" \"SIP+D2U\" \"\" _rip._udp.example.com.";
static const char *naptr_str_large1 =
"11 100 \"S\" \"SIP+D2U\" \"\" _sip._udp.example.com.";
static const char *naptr_str_large2 =
"10 110 \"S\" \"SIP+D2U\" \"\" _sip._udp.example.com.";
static const char *naptr_str_large3 =
"10 100 \"T\" \"SIP+D2U\" \"\" _sip._udp.example.com.";
static const char *naptr_str_large4 =
"10 100 \"S\" \"SIP+E2U\" \"\" _sip._udp.example.com.";
static const char *naptr_str_large5 =
"10 100 \"S\" \"SIP+D2U\" \"\" _tip._udp.example.com.";
TEST_F(Rdata_NAPTR_Test, createFromText) {
NAPTR naptr(naptr_str);
EXPECT_EQ(10, naptr.getOrder());
EXPECT_EQ(100, naptr.getPreference());
EXPECT_EQ(string("S"), naptr.getFlags());
EXPECT_EQ(string("SIP+D2U"), naptr.getServices());
EXPECT_EQ(string(""), naptr.getRegexp());
EXPECT_EQ(Name("_sip._udp.example.com."), naptr.getReplacement());
// Test <char-string> that separated by space
NAPTR naptr2(naptr_str2);
EXPECT_EQ(string("S"), naptr2.getFlags());
EXPECT_EQ(string("SIP+D2U"), naptr2.getServices());
}
TEST_F(Rdata_NAPTR_Test, badText) {
// Order number cannot exceed 65535
EXPECT_THROW(const NAPTR naptr("65536 10 S SIP \"\" _sip._udp.example.com."),
InvalidRdataText);
// Preference number cannot exceed 65535
EXPECT_THROW(const NAPTR naptr("100 65536 S SIP \"\" _sip._udp.example.com."),
InvalidRdataText);
// No regexp given
EXPECT_THROW(const NAPTR naptr("100 10 S SIP _sip._udp.example.com."),
InvalidRdataText);
// The double quotes seperator must match
EXPECT_THROW(const NAPTR naptr("100 10 \"S SIP \"\" _sip._udp.example.com."),
InvalidRdataText);
// Order or preference cannot be missed
EXPECT_THROW(const NAPTR naptr("10 \"S\" SIP \"\" _sip._udp.example.com."),
InvalidRdataText);
// Unquoted fields must be separated by spaces
EXPECT_THROW(const NAPTR naptr("100 10S SIP \"\" _sip._udp.example.com."),
InvalidRdataText);
EXPECT_THROW(const NAPTR naptr("10010 \"S\" \"SIP\" \"\" _sip._udp.example.com."),
InvalidRdataText);
EXPECT_THROW(const NAPTR naptr("100 10 SSIP \"\" _sip._udp.example.com."),
InvalidRdataText);
// Field cannot be missing
EXPECT_THROW(const NAPTR naptr("100 10 \"S\""), InvalidRdataText);
// The <character-string> cannot exceed 255 characters
string naptr_str;
naptr_str += "100 10 ";
for (int i = 0; i < 257; ++i) {
naptr_str += 'A';
}
naptr_str += " SIP \"\" _sip._udp.example.com.";
EXPECT_THROW(const NAPTR naptr(naptr_str), CharStringTooLong);
}
TEST_F(Rdata_NAPTR_Test, createFromWire) {
InputBuffer input_buffer(naptr_rdata, sizeof(naptr_rdata));
NAPTR naptr(input_buffer, sizeof(naptr_rdata));
EXPECT_EQ(10, naptr.getOrder());
EXPECT_EQ(100, naptr.getPreference());
EXPECT_EQ(string("S"), naptr.getFlags());
EXPECT_EQ(string("SIP+D2U"), naptr.getServices());
EXPECT_EQ(string(""), naptr.getRegexp());
EXPECT_EQ(Name("_sip._udp.example.com."), naptr.getReplacement());
}
TEST_F(Rdata_NAPTR_Test, createFromWireTooLongDataLen) {
static uint8_t naptr_rdata_long[] = {
0x00,0x0a,0x00,0x64,0x01,0x53,0x07,0x53,0x49,0x50,0x2b,0x44,0x32,0x55,
0x00,0x04,0x5f,0x73,0x69,0x70,0x04,0x5f,0x75,0x64,0x70,0x07,0x65,0x78,
0x61,0x6d,0x70,0x6c,0x65,0x03,0x63,0x6f,0x6d,0x00,0xff,0xff,0xff,0xff};
InputBuffer input_buffer(naptr_rdata_long, sizeof(naptr_rdata_long));
EXPECT_THROW(NAPTR naptr(input_buffer, sizeof(naptr_rdata_long)),
isc::dns::DNSMessageFORMERR);
}
TEST_F(Rdata_NAPTR_Test, createFromWireTooShortDataLen) {
// missing data (just set rdata_len too low)
for (size_t i = 0; i < sizeof(naptr_rdata); ++i) {
// Just use existing correct buffer but set rdata_len too low
InputBuffer input_buffer(naptr_rdata, sizeof(naptr_rdata));
EXPECT_THROW(NAPTR naptr(input_buffer, i),
isc::dns::DNSMessageFORMERR);
}
}
TEST_F(Rdata_NAPTR_Test, createFromLexer) {
const NAPTR rdata_naptr(naptr_str);
EXPECT_EQ(0, rdata_naptr.compare(
*test::createRdataUsingLexer(RRType::NAPTR(), RRClass::IN(),
naptr_str)));
// Exceptions cause NULL to be returned.
EXPECT_FALSE(test::createRdataUsingLexer(RRType::NAPTR(), RRClass::IN(),
"65536 10 S SIP \"\" "
"_sip._udp.example.com."));
}
TEST_F(Rdata_NAPTR_Test, toWire) {
NAPTR naptr(naptr_str);
naptr.toWire(obuffer);
matchWireData(naptr_rdata, sizeof(naptr_rdata),
obuffer.getData(), obuffer.getLength());
}
TEST_F(Rdata_NAPTR_Test, toWireRenderer) {
NAPTR naptr(naptr_str);
naptr.toWire(renderer);
matchWireData(naptr_rdata, sizeof(naptr_rdata),
renderer.getData(), renderer.getLength());
}
TEST_F(Rdata_NAPTR_Test, toText) {
NAPTR naptr(naptr_str);
EXPECT_EQ(naptr_str, naptr.toText());
// will add quotes even if they were not in the original input
EXPECT_EQ("10 100 \"S\" \"SIP+D2U\" \".*\" _sip._udp.example.com.",
NAPTR("10 100 S SIP+D2U .* _sip._udp.example.com.").toText());
// will not add additional quotes
EXPECT_EQ("10 100 \"S\" \"SIP+D2U\" \".*\" _sip._udp.example.com.",
NAPTR("10 100 \"S\" \"SIP+D2U\" \".*\" _sip._udp.example.com.")
.toText());
}
TEST_F(Rdata_NAPTR_Test, compare) {
NAPTR naptr(naptr_str);
NAPTR naptr_small1(naptr_str_small1);
NAPTR naptr_small2(naptr_str_small2);
NAPTR naptr_small3(naptr_str_small3);
NAPTR naptr_small4(naptr_str_small4);
NAPTR naptr_small5(naptr_str_small5);
NAPTR naptr_large1(naptr_str_large1);
NAPTR naptr_large2(naptr_str_large2);
NAPTR naptr_large3(naptr_str_large3);
NAPTR naptr_large4(naptr_str_large4);
NAPTR naptr_large5(naptr_str_large5);
EXPECT_EQ(0, naptr.compare(NAPTR(naptr_str)));
EXPECT_EQ(1, naptr.compare(naptr_small1));
EXPECT_EQ(1, naptr.compare(naptr_small2));
EXPECT_EQ(1, naptr.compare(naptr_small3));
EXPECT_EQ(1, naptr.compare(naptr_small4));
EXPECT_EQ(1, naptr.compare(naptr_small5));
EXPECT_EQ(-1, naptr.compare(naptr_large1));
EXPECT_EQ(-1, naptr.compare(naptr_large2));
EXPECT_EQ(-1, naptr.compare(naptr_large3));
EXPECT_EQ(-1, naptr.compare(naptr_large4));
EXPECT_EQ(-1, naptr.compare(naptr_large5));
EXPECT_EQ(-1, naptr_small1.compare(naptr));
EXPECT_EQ(-1, naptr_small2.compare(naptr));
EXPECT_EQ(-1, naptr_small3.compare(naptr));
EXPECT_EQ(-1, naptr_small4.compare(naptr));
EXPECT_EQ(-1, naptr_small5.compare(naptr));
EXPECT_EQ(1, naptr_large1.compare(naptr));
EXPECT_EQ(1, naptr_large2.compare(naptr));
EXPECT_EQ(1, naptr_large3.compare(naptr));
EXPECT_EQ(1, naptr_large4.compare(naptr));
EXPECT_EQ(1, naptr_large5.compare(naptr));
}
TEST_F(Rdata_NAPTR_Test, copy) {
NAPTR naptr(naptr_str);
NAPTR naptr2(naptr);
NAPTR naptr3 = naptr;
EXPECT_EQ(0, naptr.compare(naptr2));
EXPECT_EQ(0, naptr.compare(naptr3));
naptr3 = naptr;
EXPECT_EQ(0, naptr.compare(naptr3));
}
}
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