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717 | // Copyright (C) 2023-2024 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 <dhcp/option6_dnr.h>
#include <gtest/gtest.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
using namespace isc;
using namespace isc::dhcp;
namespace {
// This test verifies option constructor from wire data.
// Provided wire data is in the ADN only mode i.e. only
// Service priority and Authentication domain name FQDN
// fields are present.
TEST(Option6DnrTest, onWireCtorAdnOnlyMode) {
// Prepare data to decode - ADN only mode.
const uint8_t buf_data[] = {
0x80, 0x01, // Service priority is 32769 dec
0x00, 0x14, // ADN Length is 20 dec
0x06, 0x4D, 0x79, 0x68, 0x6F, 0x73, 0x74, // FQDN: Myhost.
0x07, 0x45, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, // Example.
0x03, 0x43, 0x6F, 0x6D, 0x00 // Com.
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor doesn't throw.
Option6DnrPtr option;
EXPECT_NO_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())));
ASSERT_TRUE(option);
// Check if member variables were correctly set by ctor.
EXPECT_EQ(Option::V6, option->getUniverse());
EXPECT_EQ(D6O_V6_DNR, option->getType());
// Check if data was unpacked correctly from wire data.
EXPECT_EQ(0x8001, option->getServicePriority());
EXPECT_EQ(20, option->getAdnLength());
EXPECT_EQ("myhost.example.com.", option->getAdnAsText());
// This is ADN only mode, so Addr Length and SvcParams Length
// are both expected to be zero.
EXPECT_EQ(0, option->getAddrLength());
EXPECT_EQ(0, option->getSvcParamsLength());
// BTW let's check if len() works ok.
// expected len: 20 (FQDN) + 2 (ADN Len) + 2 (Service priority) + 4 (headers) = 28.
EXPECT_EQ(28, option->len());
// BTW let's check if toText() works ok.
// toText() len does not count in headers len.
EXPECT_EQ("type=144(V6_DNR), len=24, "
"service_priority=32769, adn_length=20, "
"adn='myhost.example.com.'",
option->toText());
}
// Test checks that exception is thrown when trying to unpack malformed wire data
// - mandatory fields are truncated.
TEST(Option6DnrTest, onWireCtorDataTruncated) {<--- syntax error
// Prepare data to decode - data too short.
const uint8_t buf_data[] = {
0x80, 0x01 // Service priority is 32769 dec, other data is missing
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor throws OutOfRange exception.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())), OutOfRange);
ASSERT_FALSE(option);
}
// Test checks that exception is thrown when trying to unpack malformed wire data
// - ADN FQDN contains only whitespace - non-valid FQDN.
TEST(Option6DnrTest, onWireCtorOnlyWhitespaceFqdn) {
// Prepare data to decode - ADN only mode.
const uint8_t buf_data[] = {
0x80, 0x01, // Service priority is 32769 dec
0x00, 0x02, // ADN Length is 2 dec
0x01, 0x20 // FQDN consists only of whitespace
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor throws InvalidOptionDnrDomainName exception.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())), InvalidOptionDnrDomainName);
ASSERT_FALSE(option);
}
// Test checks that exception is thrown when trying to unpack malformed wire data
// - ADN Length is 0 and no ADN FQDN at all.
TEST(Option6DnrTest, onWireCtorNoAdnFqdn) {
// Prepare data to decode - ADN only mode.
const uint8_t buf_data[] = {
0x00, 0x01, // Service priority is 1 dec
0x00, 0x00 // ADN Length is 0 dec
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Encrypted DNS options are designed to ALWAYS include
// an authentication domain name, so check that constructor throws
// InvalidOptionDnrDomainName exception.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())), InvalidOptionDnrDomainName);
ASSERT_FALSE(option);
}
// Test checks that exception is thrown when trying to unpack malformed wire data
// - FQDN data is truncated.
TEST(Option6DnrTest, onWireCtorTruncatedFqdn) {
// Prepare data to decode - ADN only mode.
const uint8_t buf_data[] = {
0x80, 0x01, // Service priority is 32769 dec
0x00, 0x14, // ADN Length is 20 dec
0x06, 0x4D, 0x79, 0x68, 0x6F, 0x73, 0x74 // FQDN data is truncated
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor throws BadValue exception.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())), BadValue);
ASSERT_FALSE(option);
}
// Test checks that exception is thrown when trying to unpack malformed wire data
// - Addr Length field truncated.
TEST(Option6DnrTest, onWireCtorAddrLenTruncated) {
// Prepare data to decode.
const uint8_t buf_data[] = {
0x80, 0x01, // Service priority is 32769 dec
0x00, 0x14, // ADN Length is 20 dec
0x06, 0x4D, 0x79, 0x68, 0x6F, 0x73, 0x74, // FQDN: Myhost.
0x07, 0x45, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, // Example.
0x03, 0x43, 0x6F, 0x6D, 0x00, // Com.
0x10 // Truncated Addr Len field
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor throws OutOfRange exception.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())), OutOfRange);
ASSERT_FALSE(option);
}
// Test checks that exception is thrown when trying to unpack malformed wire data
// - Addr length is 0 and no IPv6 addresses at all.
TEST(Option6DnrTest, onWireCtorAddrLenZero) {
// Prepare data to decode.
const uint8_t buf_data[] = {
0x80, 0x01, // Service priority is 32769 dec
0x00, 0x14, // ADN Length is 20 dec
0x06, 0x4D, 0x79, 0x68, 0x6F, 0x73, 0x74, // FQDN: Myhost.
0x07, 0x45, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, // Example.
0x03, 0x43, 0x6F, 0x6D, 0x00, // Com.
0x00, 0x00 // Addr Len field value = 0
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor throws OutOfRange exception.
// If additional data is supplied (i.e. not ADN only mode),
// the option includes at least one valid IP address.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())), OutOfRange);
ASSERT_FALSE(option);
}
// Test checks that exception is thrown when trying to unpack malformed wire data
// - Addr length is not a multiple of 16.
TEST(Option6DnrTest, onWireCtorAddrLenNot16Modulo) {
// Prepare data to decode.
const uint8_t buf_data[] = {
0x80, 0x01, // Service priority is 32769 dec
0x00, 0x14, // ADN Length is 20 dec
0x06, 0x4D, 0x79, 0x68, 0x6F, 0x73, 0x74, // FQDN: Myhost.
0x07, 0x45, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, // Example.
0x03, 0x43, 0x6F, 0x6D, 0x00, // Com.
0xFF, 0xFE // Addr Len is not a multiple of 16
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor throws OutOfRange exception.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())), OutOfRange);
ASSERT_FALSE(option);
}
// This test verifies option constructor from wire data.
// Provided wire data contains also IPv6 addresses.
TEST(Option6DnrTest, onWireCtorValidIpV6Addresses) {
// Prepare data to decode
const uint8_t buf_data[] = {
0x80, 0x01, // Service priority is 32769 dec
0x00, 0x14, // ADN Length is 20 dec
0x06, 0x4D, 0x79, 0x68, 0x6F, 0x73, 0x74, // FQDN: Myhost.
0x07, 0x45, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, // Example.
0x03, 0x43, 0x6F, 0x6D, 0x00, // Com.
0x00, 0x30, // Addr Len field value = 48 dec
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00, // 2001:db8:1::dead:beef
0x00, 0x00, 0x00, 0x00, 0xde, 0xad, 0xbe, 0xef,
0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // ff02::face:b00c
0x00, 0x00, 0x00, 0x00, 0xfa, 0xce, 0xb0, 0x0c,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor doesn't throw.
Option6DnrPtr option;
EXPECT_NO_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())));
ASSERT_TRUE(option);
// Check if member variables were correctly set by ctor.
EXPECT_EQ(Option::V6, option->getUniverse());
EXPECT_EQ(D6O_V6_DNR, option->getType());
// Check if data was unpacked correctly from wire data.
EXPECT_EQ(0x8001, option->getServicePriority());
EXPECT_EQ(20, option->getAdnLength());
EXPECT_EQ("myhost.example.com.", option->getAdnAsText());
EXPECT_EQ(48, option->getAddrLength());
const Option6Dnr::AddressContainer& addresses = option->getAddresses();
EXPECT_EQ(3, addresses.size());
EXPECT_EQ("2001:db8:1::dead:beef", addresses[0].toText());
EXPECT_EQ("ff02::face:b00c", addresses[1].toText());
EXPECT_EQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", addresses[2].toText());
EXPECT_EQ(0, option->getSvcParamsLength());
// BTW let's check if len() works ok.
// expected len: 20 (FQDN) + 2 (ADN Len) + 2 (Service priority) + 4 (headers) = 28
// + 48 (3 IP addresses) + 2 (Addr Len) = 78.
EXPECT_EQ(78, option->len());
// BTW let's check if toText() works ok.
// toText() len does not count in headers len.
EXPECT_EQ("type=144(V6_DNR), len=74, "
"service_priority=32769, adn_length=20, "
"adn='myhost.example.com.', "
"addr_length=48, "
"address(es): 2001:db8:1::dead:beef "
"ff02::face:b00c "
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff",
option->toText());
}
// Test checks that exception is thrown when trying to unpack malformed wire data
// - IPv6 addresses are truncated.
TEST(Option6DnrTest, onWireCtorTruncatedIpV6Addresses) {
// Prepare data to decode.
const uint8_t buf_data[] = {
0x80, 0x01, // Service priority is 32769 dec
0x00, 0x14, // ADN Length is 20 dec
0x06, 0x4D, 0x79, 0x68, 0x6F, 0x73, 0x74, // FQDN: Myhost.
0x07, 0x45, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, // Example.
0x03, 0x43, 0x6F, 0x6D, 0x00, // Com.
0x00, 0x30, // Addr Len field value = 48 dec
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00, // 2001:db8:1::dead:beef
0x00, 0x00, 0x00, 0x00, 0xde, 0xad, 0xbe, 0xef,
0xff, 0x02, 0x00 // IPv6 address truncated
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor throws OutOfRange exception.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())), OutOfRange);
ASSERT_FALSE(option);
}
// This test verifies option constructor from wire data.
// Provided wire data contains also IPv6 address and Svc Params.
TEST(Option6DnrTest, onWireCtorSvcParamsIncluded) {
// Prepare data to decode.
const uint8_t buf_data[] = {
0x80, 0x01, // Service priority is 32769 dec
0x00, 0x14, // ADN Length is 20 dec
0x06, 0x4D, 0x79, 0x68, 0x6F, 0x73, 0x74, // FQDN: Myhost.
0x07, 0x45, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, // Example.
0x03, 0x43, 0x6F, 0x6D, 0x00, // Com.
0x00, 0x10, // Addr Len field value = 16 dec
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00, // 2001:db8:1::dead:beef
0x00, 0x00, 0x00, 0x00, 0xde, 0xad, 0xbe, 0xef, //
0, 1, // SvcParamKey alpn
0, 8, // SvcParamVal Len
3, 'd', 'o', 't', // 3 octets long alpn-id dot
3, 'd', 'o', 'q' // 3 octets long alpn-id doq
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor doesn't throw.
Option6DnrPtr option;
EXPECT_NO_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())));
ASSERT_TRUE(option);
// Check if member variables were correctly set by ctor.
EXPECT_EQ(Option::V6, option->getUniverse());
EXPECT_EQ(D6O_V6_DNR, option->getType());
// Check if data was unpacked correctly from wire data.
EXPECT_EQ(0x8001, option->getServicePriority());
EXPECT_EQ(20, option->getAdnLength());
EXPECT_EQ("myhost.example.com.", option->getAdnAsText());
EXPECT_EQ(16, option->getAddrLength());
const Option6Dnr::AddressContainer& addresses = option->getAddresses();
EXPECT_EQ(1, addresses.size());
EXPECT_EQ("2001:db8:1::dead:beef", addresses[0].toText());
// Reference SvcParams on-wire data buffer.
const OptionBuffer svc_params = {
0, 1, // SvcParamKey alpn
0, 8, // SvcParamVal Len
3, 'd', 'o', 't', // 3 octets long alpn-id dot
3, 'd', 'o', 'q' // 3 octets long alpn-id doq
};
EXPECT_EQ(svc_params, option->getSvcParams());
EXPECT_EQ(svc_params.size(), option->getSvcParamsLength());
// BTW let's check if len() works ok.
// expected len: 20 (FQDN) + 2 (ADN Len) + 2 (Service priority) + 4 (headers) = 28
// + 16 (IP address) + 2 (Addr Len) + 12 (SvcParams) = 58.
EXPECT_EQ(58, option->len());
// BTW let's check if toText() works ok.
// toText() len does not count in headers len.
EXPECT_EQ("type=144(V6_DNR), len=54, "
"service_priority=32769, adn_length=20, "
"adn='myhost.example.com.', "
"addr_length=16, "
"address(es): 2001:db8:1::dead:beef, "
"svc_params='alpn=dot,doq'",
option->toText());
}
// Test checks that exception is thrown when trying to unpack malformed wire data
// - SvcParams Key contains truncated SvcParamVal Len data.
TEST(Option6DnrTest, onWireCtorSvcParamsTruncatedParamLen) {
// Prepare data to decode with invalid SvcParams.
const uint8_t buf_data[] = {
0x80, 0x01, // Service priority is 32769 dec
0x00, 0x14, // ADN Length is 20 dec
0x06, 0x4D, 0x79, 0x68, 0x6F, 0x73, 0x74, // FQDN: Myhost.
0x07, 0x45, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, // Example.
0x03, 0x43, 0x6F, 0x6D, 0x00, // Com.
0x00, 0x10, // Addr Len field value
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00, // 2001:db8:1::dead:beef
0x00, 0x00, 0x00, 0x00, 0xde, 0xad, 0xbe, 0xef, //
0, 1, // SvcParamKey alpn
0, 8, // SvcParamVal Len
3, 'd', 'o', 't', // 3 octets long alpn-id dot
3, 'd', 'o', 'q', // 3 octets long alpn-id doq
0, 3, // SvcParamKey port
0 // truncated SvcParamVal Len
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor throws exception.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())), OutOfRange);
ASSERT_FALSE(option);
}
// Test checks that exception is thrown when trying to unpack malformed wire data
// - SvcParams Key contains truncated data.
TEST(Option6DnrTest, onWireCtorSvcParamsTruncatedParamData) {
// Prepare data to decode with invalid SvcParams.
const uint8_t buf_data[] = {
0x80, 0x01, // Service priority is 32769 dec
0x00, 0x14, // ADN Length is 20 dec
0x06, 0x4D, 0x79, 0x68, 0x6F, 0x73, 0x74, // FQDN: Myhost.
0x07, 0x45, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, // Example.
0x03, 0x43, 0x6F, 0x6D, 0x00, // Com.
0x00, 0x10, // Addr Len field value
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00, // 2001:db8:1::dead:beef
0x00, 0x00, 0x00, 0x00, 0xde, 0xad, 0xbe, 0xef, //
0, 1, // SvcParamKey alpn
0, 8, // SvcParamVal Len
3, 'd', 'o', 't', // 3 octets long alpn-id dot
3, 'd', 'o', 'q', // 3 octets long alpn-id doq
0, 3, // SvcParamKey port
0, 2, // SvcParamVal Len
1 // truncated data
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor throws exception.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())), InvalidOptionDnrSvcParams);
ASSERT_FALSE(option);
}
// Test checks that exception is thrown when trying to unpack malformed wire data
// - SvcParams Key contains unknown key.
TEST(Option6DnrTest, onWireCtorSvcParamsUnknownKey) {
// Prepare data to decode with invalid SvcParams.
const uint8_t buf_data[] = {
0x80, 0x01, // Service priority is 32769 dec
0x00, 0x14, // ADN Length is 20 dec
0x06, 0x4D, 0x79, 0x68, 0x6F, 0x73, 0x74, // FQDN: Myhost.
0x07, 0x45, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, // Example.
0x03, 0x43, 0x6F, 0x6D, 0x00, // Com.
0x00, 0x10, // Addr Len field value
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00, // 2001:db8:1::dead:beef
0x00, 0x00, 0x00, 0x00, 0xde, 0xad, 0xbe, 0xef, //
0, 1, // SvcParamKey alpn
0, 8, // SvcParamVal Len
3, 'd', 'o', 't', // 3 octets long alpn-id dot
3, 'd', 'o', 'q', // 3 octets long alpn-id doq
0, 99, // unknown SvcParamKey
0, 2, // SvcParamVal Len
1, 2 // random data
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor throws exception.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())), InvalidOptionDnrSvcParams);
ASSERT_FALSE(option);
}
// Test checks that exception is thrown when trying to unpack malformed wire data
// - SvcParams Key contains forbidden key.
TEST(Option6DnrTest, onWireCtorSvcParamsForbiddenKey) {
// Prepare data to decode with invalid SvcParams.
const uint8_t buf_data[] = {
0x80, 0x01, // Service priority is 32769 dec
0x00, 0x14, // ADN Length is 20 dec
0x06, 0x4D, 0x79, 0x68, 0x6F, 0x73, 0x74, // FQDN: Myhost.
0x07, 0x45, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, // Example.
0x03, 0x43, 0x6F, 0x6D, 0x00, // Com.
0x00, 0x10, // Addr Len field value
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00, // 2001:db8:1::dead:beef
0x00, 0x00, 0x00, 0x00, 0xde, 0xad, 0xbe, 0xef, //
0, 1, // SvcParamKey alpn
0, 8, // SvcParamVal Len
3, 'd', 'o', 't', // 3 octets long alpn-id dot
3, 'd', 'o', 'q', // 3 octets long alpn-id doq
0, 4, // SvcParamKey ipv4hint is forbidden
0, 2, // SvcParamVal Len
1, 2 // random data
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor throws exception.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())), InvalidOptionDnrSvcParams);
ASSERT_FALSE(option);
}
// Test checks that exception is thrown when trying to unpack malformed wire data
// - SvcParams Key contains unsupported key.
TEST(Option6DnrTest, onWireCtorSvcParamsUnsupportedKey) {
// Prepare data to decode with invalid SvcParams.
const uint8_t buf_data[] = {
0x80, 0x01, // Service priority is 32769 dec
0x00, 0x14, // ADN Length is 20 dec
0x06, 0x4D, 0x79, 0x68, 0x6F, 0x73, 0x74, // FQDN: Myhost.
0x07, 0x45, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, // Example.
0x03, 0x43, 0x6F, 0x6D, 0x00, // Com.
0x00, 0x10, // Addr Len field value
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00, // 2001:db8:1::dead:beef
0x00, 0x00, 0x00, 0x00, 0xde, 0xad, 0xbe, 0xef, //
0, 1, // SvcParamKey alpn
0, 8, // SvcParamVal Len
3, 'd', 'o', 't', // 3 octets long alpn-id dot
3, 'd', 'o', 'q', // 3 octets long alpn-id doq
0, 5, // SvcParamKey ech is unsupported in DHCP DNR option
0, 2, // SvcParamVal Len
1, 2 // random data
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor throws exception.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())), InvalidOptionDnrSvcParams);
ASSERT_FALSE(option);
}
// Test checks that exception is thrown when trying to unpack malformed wire data
// - SvcParams Key contains duplicated key.
TEST(Option6DnrTest, onWireCtorSvcParamsDuplicatedKey) {
// Prepare data to decode with invalid SvcParams.
const uint8_t buf_data[] = {
0x80, 0x01, // Service priority is 32769 dec
0x00, 0x14, // ADN Length is 20 dec
0x06, 0x4D, 0x79, 0x68, 0x6F, 0x73, 0x74, // FQDN: Myhost.
0x07, 0x45, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, // Example.
0x03, 0x43, 0x6F, 0x6D, 0x00, // Com.
0x00, 0x10, // Addr Len field value
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00, // 2001:db8:1::dead:beef
0x00, 0x00, 0x00, 0x00, 0xde, 0xad, 0xbe, 0xef, //
0, 1, // SvcParamKey alpn
0, 8, // SvcParamVal Len
3, 'd', 'o', 't', // 3 octets long alpn-id dot
3, 'd', 'o', 'q', // 3 octets long alpn-id doq
0, 1, // SvcParamKey alpn is duplicated
0, 4, // SvcParamVal Len
3, 'd', 'o', 't' // 3 octets long alpn-id dot
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor throws exception.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())), InvalidOptionDnrSvcParams);
ASSERT_FALSE(option);
}
// Test checks that exception is thrown when trying to unpack malformed wire data
// - SvcParams Keys are in wrong order.
TEST(Option6DnrTest, onWireCtorSvcParamsWrongKeyOrder) {
// Prepare data to decode with invalid SvcParams.
const uint8_t buf_data[] = {
0x80, 0x01, // Service priority is 32769 dec
0x00, 0x14, // ADN Length is 20 dec
0x06, 0x4D, 0x79, 0x68, 0x6F, 0x73, 0x74, // FQDN: Myhost.
0x07, 0x45, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, // Example.
0x03, 0x43, 0x6F, 0x6D, 0x00, // Com.
0x00, 0x10, // Addr Len field value
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00, // 2001:db8:1::dead:beef
0x00, 0x00, 0x00, 0x00, 0xde, 0xad, 0xbe, 0xef, //
0, 3, // SvcParamKey port
0, 2, // SvcParamVal Len
23, 23, // 2 octets long port number
0, 1, // SvcParamKey alpn is duplicated
0, 4, // SvcParamVal Len
3, 'd', 'o', 't' // 3 octets long alpn-id dot
};
OptionBuffer buf(buf_data, buf_data + sizeof(buf_data));
// Create option instance. Check that constructor throws exception.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end())), InvalidOptionDnrSvcParams);
ASSERT_FALSE(option);
}
// This test verifies that option constructor throws
// an exception when config provided via ctor is malformed
// - SvcParam key=val pair has 2 equal signs.
TEST(Option6DnrTest, fromConfigCtorSvcParamsTwoEqualSignsPerParam) {
// Prepare example config.
const std::string config = "100, dot1.example.org., 2001:db8::1 2001:db8::2, "
"alpn=dot=doq port=8530 dohpath=/q{?dns}";
OptionBuffer buf;
buf.assign(config.begin(), config.end());
// Create option instance. Check that constructor throws.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end(), true)),
InvalidOptionDnrSvcParams);
ASSERT_FALSE(option);
}
// This test verifies that option constructor throws
// an exception when config provided via ctor is malformed
// - SvcParam has forbidden key.
TEST(Option6DnrTest, fromConfigCtorSvcParamsForbiddenKey) {
// Prepare example config.
const std::string config = "100, dot1.example.org., 2001:db8::1 2001:db8::2, "
"ipv6hint=something port=8530 dohpath=/q{?dns}";
OptionBuffer buf;
buf.assign(config.begin(), config.end());
// Create option instance. Check that constructor throws.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end(), true)),
InvalidOptionDnrSvcParams);
ASSERT_FALSE(option);
}
// This test verifies that option constructor throws
// an exception when config provided via ctor is malformed
// - Svc Params key was repeated.
TEST(Option6DnrTest, fromConfigCtorSvcParamsKeyRepeated) {
// Prepare example config.
const std::string config = "100, dot1.example.org., 2001:db8::1 2001:db8::2, "
"port=8530 port=1234 dohpath=/q{?dns}";
OptionBuffer buf;
buf.assign(config.begin(), config.end());
// Create option instance. Check that constructor throws.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end(), true)),
InvalidOptionDnrSvcParams);
ASSERT_FALSE(option);
}
// This test verifies that option constructor throws
// an exception when config provided via ctor is malformed
// - IPv4 address given.
TEST(Option6DnrTest, fromConfigCtorIPv4Address) {
// Prepare example config.
const std::string config = "100, dot1.example.org., 10.0.2.3";
OptionBuffer buf;
buf.assign(config.begin(), config.end());
// Create option instance. Check that constructor throws.
Option6DnrPtr option;
EXPECT_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end(), true)),
BadValue);
ASSERT_FALSE(option);
}
// This test verifies that string representation of the option returned by
// toText method is correctly formatted.
TEST(Option6DnrTest, toText) {
// Prepare example config.
const std::string config = "9, myhost.example.com., 2001:db8:1::baca, "
"alpn=h3 port=1234 dohpath=/q{?dns}";
OptionBuffer buf;
buf.assign(config.begin(), config.end());
// Create option instance. Check that constructor doesn't throw.
Option6DnrPtr option;
EXPECT_NO_THROW(option.reset(new Option6Dnr(buf.begin(), buf.end(), true)));
ASSERT_TRUE(option);
const int indent = 4;
std::string expected = " type=144(V6_DNR), len=67, " // the indentation of 4 spaces
"service_priority=9, adn_length=20, "
"adn='myhost.example.com.', addr_length=16, "
"address(es): 2001:db8:1::baca, svc_params='alpn=h3 port=1234 "
"dohpath=/q{?dns}'";
EXPECT_EQ(expected, option->toText(indent));
}
// This test verifies that the option is correctly created in ADN only mode,
// when constructor from convenient string notation is used.
TEST(Option6DnrTest, fromConfigCtorPackAdnOnlyMode) {
// Prepare example config.
const std::string config = "9, myhost.example.com.";
OptionBuffer in_buf;
in_buf.assign(config.begin(), config.end());
// Create option instance. Check that constructor doesn't throw.
Option6DnrPtr option;
EXPECT_NO_THROW(option.reset(new Option6Dnr(in_buf.begin(), in_buf.end(), true)));
ASSERT_TRUE(option);
// Prepare on-wire format of the option.
isc::util::OutputBuffer buf(10);
ASSERT_NO_THROW(option->pack(buf));
// Prepare reference data.
const uint8_t ref_data[] = {
0x00, D6O_V6_DNR, // Option code
0x00, 24, // Option len=24 dec
0x00, 0x09, // Service priority is 9 dec
0x00, 20, // ADN Length is 20 dec
0x06, 0x6D, 0x79, 0x68, 0x6F, 0x73, 0x74, // FQDN: myhost.
0x07, 0x65, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, // example.
0x03, 0x63, 0x6F, 0x6D, 0x00 // com.
};
size_t ref_data_size = sizeof(ref_data) / sizeof(ref_data[0]);
// Check if the buffer has the same length as the reference data,
// so as they can be compared directly.
ASSERT_EQ(ref_data_size, buf.getLength());
EXPECT_EQ(0, memcmp(ref_data, buf.getData(), buf.getLength()));
}
// This test verifies on-wire format of the option is correctly created with pack
// method when IP addresses and Svc Params are also included.
TEST(Option6DnrTest, pack) {
// Prepare example config.
const std::string config = "9, myhost.example.com., 2001:db8:1::dead:beef ff02::face:b00c,"
" alpn=imap";
OptionBuffer in_buf;
in_buf.assign(config.begin(), config.end());
// Create option instance. Check that constructor doesn't throw.
Option6DnrPtr option;
EXPECT_NO_THROW(option.reset(new Option6Dnr(in_buf.begin(), in_buf.end(), true)));
ASSERT_TRUE(option);
// Prepare on-wire format of the option.
isc::util::OutputBuffer buf(10);
ASSERT_NO_THROW(option->pack(buf));
// Prepare reference data.
const uint8_t ref_data[] = {
0x00, D6O_V6_DNR, // Option code
0x00, 67, // Option len=67 dec
0x00, 0x09, // Service priority is 9 dec
0x00, 0x14, // ADN Length is 20 dec
0x06, 0x6D, 0x79, 0x68, 0x6F, 0x73, 0x74, // FQDN: myhost.
0x07, 0x65, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, // example.
0x03, 0x63, 0x6F, 0x6D, 0x00, // com.
0x00, 0x20, // Addr Len field value = 32 dec
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00, // 2001:db8:1::dead:beef
0x00, 0x00, 0x00, 0x00, 0xde, 0xad, 0xbe, 0xef, 0xff, 0x02, //
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // ff02::face:b00c
0x00, 0x00, 0x00, 0x00, 0xfa, 0xce, 0xb0, 0x0c, //
0, 1, // SvcParamKey alpn
0, 5, // SvcParamVal len
4, 'i', 'm', 'a', 'p' // alpn-id
};
size_t ref_data_size = sizeof(ref_data) / sizeof(ref_data[0]);
// Check if the buffer has the same length as the reference data,
// so as they can be compared directly.
ASSERT_EQ(ref_data_size, buf.getLength());
EXPECT_EQ(0, memcmp(ref_data, buf.getData(), buf.getLength()));
}
} // namespace
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