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qa: cover PROTOCOL_ERROR variant in PCP unit tests

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Antoine Poinsot 2025-01-13 14:30:35 -05:00 • committed by laanwj
parent fc700bb47f
commit 0f716f2889
1 changed files with 118 additions and 0 deletions
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118
src/test/pcp_tests.cpp
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@ -577,5 +577,123 @@ BOOST_AUTO_TEST_CASE(pcp_ipv4_fail_unsupported_version)
BOOST_CHECK_EQUAL(*err, MappingError::UNSUPP_VERSION);
}
// NAT-PMP IPv4 protocol error scenarii.
BOOST_AUTO_TEST_CASE(natpmp_protocol_error)
{
// First scenario: non-0 result code when requesting external IP.
std::vector<TestOp> script{
{
0ms, TestOp::SEND,
{
0x00, 0x00, // version, opcode (request external IP)
}, 0
},
{
2ms, TestOp::RECV,
{
0x00, 0x80, 0x00, 0x42, // version, opcode (external IP), result code (*NOT* success)
0x66, 0xfd, 0xa1, 0xee, // seconds sinds start of epoch
0x01, 0x02, 0x03, 0x04, // external IP address
}, 0
},
};
CreateSock = [this, &script](int domain, int type, int protocol) {
if (domain == AF_INET && type == SOCK_DGRAM && protocol == IPPROTO_UDP) return std::make_unique<PCPTestSock>(default_local_ipv4, default_gateway_ipv4, script);
return std::unique_ptr<PCPTestSock>();
};
auto res = NATPMPRequestPortMap(default_gateway_ipv4, 1234, 1000, 1, 200ms);
MappingError* err = std::get_if<MappingError>(&res);
BOOST_REQUIRE(err);
BOOST_CHECK_EQUAL(*err, MappingError::PROTOCOL_ERROR);
// First scenario: non-0 result code when requesting port mapping.
script = {
{
0ms, TestOp::SEND,
{
0x00, 0x00, // version, opcode (request external IP)
}, 0
},
{
2ms, TestOp::RECV,
{
0x00, 0x80, 0x00, 0x00, // version, opcode (external IP), result code (success)
0x66, 0xfd, 0xa1, 0xee, // seconds sinds start of epoch
0x01, 0x02, 0x03, 0x04, // external IP address
}, 0
},
{
0ms, TestOp::SEND,
{
0x00, 0x02, 0x00, 0x00, // version, opcode (request map TCP)
0x04, 0xd2, 0x04, 0xd2, // internal port, suggested external port
0x00, 0x00, 0x03, 0xe8, // requested mapping lifetime in seconds
}, 0
},
{
2ms, TestOp::RECV,
{
0x00, 0x82, 0x00, 0x43, // version, opcode (mapped TCP)
0x66, 0xfd, 0xa1, 0xee, // seconds sinds start of epoch
0x04, 0xd2, 0x04, 0xd2, // internal port, mapped external port
0x00, 0x00, 0x01, 0xf4, // mapping lifetime in seconds
}, 0
},
};
CreateSock = [this, &script](int domain, int type, int protocol) {
if (domain == AF_INET && type == SOCK_DGRAM && protocol == IPPROTO_UDP) return std::make_unique<PCPTestSock>(default_local_ipv4, default_gateway_ipv4, script);
return std::unique_ptr<PCPTestSock>();
};
res = NATPMPRequestPortMap(default_gateway_ipv4, 1234, 1000, 1, 200ms);
err = std::get_if<MappingError>(&res);
BOOST_REQUIRE(err);
BOOST_CHECK_EQUAL(*err, MappingError::PROTOCOL_ERROR);
}
// PCP IPv4 protocol error scenario.
BOOST_AUTO_TEST_CASE(pcp_protocol_error)
{
const std::vector<TestOp> script{
{
0ms, TestOp::SEND,
{
0x02, 0x01, 0x00, 0x00, // version, opcode
0x00, 0x00, 0x03, 0xe8, // lifetime
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xc0, 0xa8, 0x00, 0x06, // internal IP
0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, // nonce
0x06, 0x00, 0x00, 0x00, // protocol (TCP), reserved
0x04, 0xd2, 0x04, 0xd2, // internal port, suggested external port
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, // suggested external IP
}, 0
},
{
250ms, TestOp::RECV, // 250ms delay before answer
{
0x02, 0x81, 0x00, 0x42, // version, opcode, result error
0x00, 0x00, 0x01, 0xf4, // granted lifetime
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved
0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, // nonce
0x06, 0x00, 0x00, 0x00, // protocol (TCP), reserved
0x04, 0xd2, 0x04, 0xd2, // internal port, assigned external port
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x01, 0x02, 0x03, 0x04, // assigned external IP
}, 0
},
};
CreateSock = [this, &script](int domain, int type, int protocol) {
if (domain == AF_INET && type == SOCK_DGRAM && protocol == IPPROTO_UDP) return std::make_unique<PCPTestSock>(default_local_ipv4, default_gateway_ipv4, script);
return std::unique_ptr<PCPTestSock>();
};
auto res = PCPRequestPortMap(TEST_NONCE, default_gateway_ipv4, bind_any_ipv4, 1234, 1000, 1, 1000ms);
MappingError* err = std::get_if<MappingError>(&res);
BOOST_REQUIRE(err);
BOOST_CHECK_EQUAL(*err, MappingError::PROTOCOL_ERROR);
}
BOOST_AUTO_TEST_SUITE_END()