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#define BOOST_TEST_DYN_LINK
#define BOOST_TEST_NO_MAIN
#include <boost/test/unit_test.hpp>
#include "iputils.hh"
#include "proxy-protocol.hh"
using namespace boost;
using std::string;
BOOST_AUTO_TEST_SUITE(test_proxy_protocol_cc)
#define BINARY(s) (std::string(s, sizeof(s) - 1))
#define PROXYMAGIC "\x0D\x0A\x0D\x0A\x00\x0D\x0A\x51\x55\x49\x54\x0A"
#define PROXYMAGICLEN sizeof(PROXYMAGIC)-1
static string proxymagic(PROXYMAGIC, PROXYMAGICLEN);
BOOST_AUTO_TEST_CASE(test_roundtrip) {
std::vector<ProxyProtocolValue> values;
string proxyheader;
bool ptcp = true;
ComboAddress src("65.66.67.68:18762"); // 18762 = 0x494a = "IJ"
ComboAddress dest("69.70.71.72:19276"); // 19276 = 0x4b4c = "KL"
proxyheader = makeProxyHeader(ptcp, src, dest, values);
BOOST_CHECK_EQUAL(proxyheader, BINARY(
PROXYMAGIC
"\x21" // version | command
"\x11" // ipv4=0x10 | TCP=0x1
"\x00\x0c" // 4 bytes IPv4 * 2 + 2 port numbers = 8 + 2 * 2 =12 = 0xc
"ABCD" // 65.66.67.68
"EFGH" // 69.70.71.72
"IJ" // src port
"KL" // dst port
));
bool proxy;
bool ptcp2;
ComboAddress src2, dest2;
BOOST_CHECK_EQUAL(parseProxyHeader(proxyheader, proxy, src2, dest2, ptcp2, values), 28);
BOOST_CHECK_EQUAL(proxy, true);
BOOST_CHECK_EQUAL(ptcp2, true);
BOOST_CHECK(src2 == src);
BOOST_CHECK(dest2 == dest);
}
BOOST_AUTO_TEST_CASE(test_local_proxy_header) {
auto payload = makeLocalProxyHeader();
BOOST_CHECK_EQUAL(payload, BINARY(
PROXYMAGIC
"\x20" // version | command
"\x00" // protocol family and address are set to 0
"\x00\x00" // no content
));
bool proxy;
bool tcp = false;
ComboAddress src, dest;
std::vector<ProxyProtocolValue> values;
BOOST_CHECK_EQUAL(parseProxyHeader(payload, proxy, src, dest, tcp, values), 16);
BOOST_CHECK_EQUAL(proxy, false);
BOOST_CHECK_EQUAL(tcp, false);
BOOST_CHECK_EQUAL(values.size(), 0U);
}
BOOST_AUTO_TEST_CASE(test_tlv_values_content_len_signedness) {
std::string largeValue;
/* this value will make the content length parsing fail in case of signedness mistake */
largeValue.resize(65128, 'A');
const std::vector<ProxyProtocolValue> values = { { "foo", 0 }, { largeValue, 255 }};
const bool tcp = false;
const ComboAddress src("[2001:db8::1]:0");
const ComboAddress dest("[::1]:65535");
const auto payload = makeProxyHeader(tcp, src, dest, values);
bool proxy;
bool tcp2;
ComboAddress src2;
ComboAddress dest2;
std::vector<ProxyProtocolValue> parsedValues;
BOOST_CHECK_EQUAL(parseProxyHeader(payload, proxy, src2, dest2, tcp2, parsedValues), 16 + 36 + 6 + 65131);
BOOST_CHECK_EQUAL(proxy, true);
BOOST_CHECK_EQUAL(tcp2, tcp);
BOOST_CHECK(src2 == src);
BOOST_CHECK(dest2 == dest);
BOOST_REQUIRE_EQUAL(parsedValues.size(), values.size());
for (size_t idx = 0; idx < values.size(); idx++) {
BOOST_CHECK_EQUAL(parsedValues.at(idx).type, values.at(idx).type);
BOOST_CHECK_EQUAL(parsedValues.at(idx).content, values.at(idx).content);
}
}
BOOST_AUTO_TEST_CASE(test_payload_too_large) {
const bool tcp = false;
const ComboAddress src("[2001:db8::1]:0");
const ComboAddress dest("[::1]:65535");
std::string largeValue;
/* this value is larger than the maximum size for a TLV */
largeValue.resize(65536, 'A');
const std::vector<ProxyProtocolValue> values = {{ largeValue, 255 }};
BOOST_CHECK_THROW(makeProxyHeader(tcp, src, dest, values), std::runtime_error);
}
BOOST_AUTO_TEST_CASE(test_tlv_values_length_signedness) {
std::string largeValue;
/* this value will make the TLV length parsing fail in case of signedness mistake */
largeValue.resize(65000, 'A');
const std::vector<ProxyProtocolValue> values = { { "foo", 0 }, { largeValue, 255 }};
const bool tcp = false;
const ComboAddress src("[2001:db8::1]:0");
const ComboAddress dest("[::1]:65535");
const auto payload = makeProxyHeader(tcp, src, dest, values);
bool proxy;
bool tcp2;
ComboAddress src2;
ComboAddress dest2;
std::vector<ProxyProtocolValue> parsedValues;
BOOST_CHECK_EQUAL(parseProxyHeader(payload, proxy, src2, dest2, tcp2, parsedValues), 16 + 36 + 6 + 65003);
BOOST_CHECK_EQUAL(proxy, true);
BOOST_CHECK_EQUAL(tcp2, tcp);
BOOST_CHECK(src2 == src);
BOOST_CHECK(dest2 == dest);
BOOST_REQUIRE_EQUAL(parsedValues.size(), values.size());
for (size_t idx = 0; idx < values.size(); idx++) {
BOOST_CHECK_EQUAL(parsedValues.at(idx).type, values.at(idx).type);
BOOST_CHECK_EQUAL(parsedValues.at(idx).content, values.at(idx).content);
}
}
BOOST_AUTO_TEST_CASE(test_parsing_invalid_headers) {
const std::vector<ProxyProtocolValue> noValues;
const bool tcp = false;
const ComboAddress src("[2001:db8::1]:0");
const ComboAddress dest("[::1]:65535");
const auto payload = makeProxyHeader(tcp, src, dest, noValues);
bool proxy;
bool tcp2;
ComboAddress src2;
ComboAddress dest2;
std::vector<ProxyProtocolValue> values;
{
/* just checking that everything works */
BOOST_CHECK_EQUAL(parseProxyHeader(payload, proxy, src2, dest2, tcp2, values), 52);
BOOST_CHECK_EQUAL(proxy, true);
BOOST_CHECK_EQUAL(tcp2, tcp);
BOOST_CHECK(src2 == src);
BOOST_CHECK(dest2 == dest);
BOOST_CHECK_EQUAL(values.size(), 0U);
}
{
/* too short (not even full header) */
std::string truncated = payload;
truncated.resize(15);
BOOST_CHECK_EQUAL(parseProxyHeader(truncated, proxy, src2, dest2, tcp2, values), -1);
}
{
/* too short (missing address part) */
std::string truncated = payload;
truncated.resize(/* full header */ 16 + /* two IPv6s + port */ 36 - /* truncation */ 1);
BOOST_CHECK_EQUAL(parseProxyHeader(truncated, proxy, src2, dest2, tcp2, values), -1);
}
{
/* too short (missing TLV) */
values = { { "foo", 0 }, { "bar", 255 }} ;
const auto payloadWithValues = makeProxyHeader(tcp, src, dest, values);
std::string truncated = payloadWithValues;
truncated.resize(/* full header */ 16 + /* two IPv6s + port */ 36 + /* TLV 1 */ 6 + /* TLV 2 */ 6 - /* truncation */ 2);
BOOST_CHECK_EQUAL(parseProxyHeader(truncated, proxy, src2, dest2, tcp2, values), -2);
}
{
/* invalid magic */
std::string invalid = payload;
invalid.at(4) = 42;
BOOST_CHECK_EQUAL(parseProxyHeader(invalid, proxy, src2, dest2, tcp2, values), 0);
}
{
/* invalid version */
std::string invalid = payload;
invalid.at(12) = 0x10 | 0x01;
BOOST_CHECK_EQUAL(parseProxyHeader(invalid, proxy, src2, dest2, tcp2, values), 0);
}
{
/* invalid command */
std::string invalid = payload;
invalid.at(12) = 0x20 | 0x02;
BOOST_CHECK_EQUAL(parseProxyHeader(invalid, proxy, src2, dest2, tcp2, values), 0);
}
{
/* invalid family */
std::string invalid = payload;
invalid.at(13) = (0x04 << 4) | 0x01 /* STREAM */;
BOOST_CHECK_EQUAL(parseProxyHeader(invalid, proxy, src2, dest2, tcp2, values), 0);
}
{
/* invalid address */
std::string invalid = payload;
invalid.at(13) = (0x02 /* AF_INET */ << 4) | 0x03;
BOOST_CHECK_EQUAL(parseProxyHeader(invalid, proxy, src2, dest2, tcp2, values), 0);
}
{
/* TLV advertised len gets out of bounds */
values = { { "foo", 0 }, { "bar", 255 }} ;
const auto payloadWithValues = makeProxyHeader(tcp, src, dest, values);
std::string invalid = payloadWithValues;
/* full header (16) + two IPv6s + port (36) + TLV (6) TLV 2 (6) */
invalid.at(59) += 1;
BOOST_CHECK_EQUAL(parseProxyHeader(invalid, proxy, src2, dest2, tcp2, values), 0);
}
}
BOOST_AUTO_TEST_SUITE_END()
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