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// Copyright (c) 2009-2017 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <qt/test/paymentservertests.h>
#include <qt/optionsmodel.h>
#include <qt/test/paymentrequestdata.h>
#include <amount.h>
#include <chainparams.h>
#include <interface/node.h>
#include <random.h>
#include <script/script.h>
#include <script/standard.h>
#include <util.h>
#include <utilstrencodings.h>
#include <openssl/x509.h>
#include <openssl/x509_vfy.h>
#include <QFileOpenEvent>
#include <QTemporaryFile>
X509 *parse_b64der_cert(const char* cert_data)
{
std::vector<unsigned char> data = DecodeBase64(cert_data);
assert(data.size() > 0);
const unsigned char* dptr = data.data();
X509 *cert = d2i_X509(nullptr, &dptr, data.size());
assert(cert);
return cert;
}
//
// Test payment request handling
//
static SendCoinsRecipient handleRequest(PaymentServer* server, std::vector<unsigned char>& data)
{
RecipientCatcher sigCatcher;
QObject::connect(server, SIGNAL(receivedPaymentRequest(SendCoinsRecipient)),
&sigCatcher, SLOT(getRecipient(SendCoinsRecipient)));
// Write data to a temp file:
QTemporaryFile f;
f.open();
f.write((const char*)data.data(), data.size());
f.close();
// Create a QObject, install event filter from PaymentServer
// and send a file open event to the object
QObject object;
object.installEventFilter(server);
QFileOpenEvent event(f.fileName());
// If sending the event fails, this will cause sigCatcher to be empty,
// which will lead to a test failure anyway.
QCoreApplication::sendEvent(&object, &event);
QObject::disconnect(server, SIGNAL(receivedPaymentRequest(SendCoinsRecipient)),
&sigCatcher, SLOT(getRecipient(SendCoinsRecipient)));
// Return results from sigCatcher
return sigCatcher.recipient;
}
void PaymentServerTests::paymentServerTests()
{
SelectParams(CBaseChainParams::MAIN);
auto node = interface::MakeNode();
OptionsModel optionsModel(*node);
PaymentServer* server = new PaymentServer(nullptr, false);
X509_STORE* caStore = X509_STORE_new();
X509_STORE_add_cert(caStore, parse_b64der_cert(caCert1_BASE64));
PaymentServer::LoadRootCAs(caStore);
server->setOptionsModel(&optionsModel);
server->uiReady();
std::vector<unsigned char> data;
SendCoinsRecipient r;
QString merchant;
// Now feed PaymentRequests to server, and observe signals it produces
// This payment request validates directly against the
// caCert1 certificate authority:
data = DecodeBase64(paymentrequest1_cert1_BASE64);
r = handleRequest(server, data);
r.paymentRequest.getMerchant(caStore, merchant);
QCOMPARE(merchant, QString("testmerchant.org"));
// Signed, but expired, merchant cert in the request:
data = DecodeBase64(paymentrequest2_cert1_BASE64);
r = handleRequest(server, data);
r.paymentRequest.getMerchant(caStore, merchant);
QCOMPARE(merchant, QString(""));
// 10-long certificate chain, all intermediates valid:
data = DecodeBase64(paymentrequest3_cert1_BASE64);
r = handleRequest(server, data);
r.paymentRequest.getMerchant(caStore, merchant);
QCOMPARE(merchant, QString("testmerchant8.org"));
// Long certificate chain, with an expired certificate in the middle:
data = DecodeBase64(paymentrequest4_cert1_BASE64);
r = handleRequest(server, data);
r.paymentRequest.getMerchant(caStore, merchant);
QCOMPARE(merchant, QString(""));
// Validly signed, but by a CA not in our root CA list:
data = DecodeBase64(paymentrequest5_cert1_BASE64);
r = handleRequest(server, data);
r.paymentRequest.getMerchant(caStore, merchant);
QCOMPARE(merchant, QString(""));
// Try again with no root CA's, verifiedMerchant should be empty:
caStore = X509_STORE_new();
PaymentServer::LoadRootCAs(caStore);
data = DecodeBase64(paymentrequest1_cert1_BASE64);
r = handleRequest(server, data);
r.paymentRequest.getMerchant(caStore, merchant);
QCOMPARE(merchant, QString(""));
// Load second root certificate
caStore = X509_STORE_new();
X509_STORE_add_cert(caStore, parse_b64der_cert(caCert2_BASE64));
PaymentServer::LoadRootCAs(caStore);
QByteArray byteArray;
// For the tests below we just need the payment request data from
// paymentrequestdata.h parsed + stored in r.paymentRequest.
//
// These tests require us to bypass the following normal client execution flow
// shown below to be able to explicitly just trigger a certain condition!
//
// handleRequest()
// -> PaymentServer::eventFilter()
// -> PaymentServer::handleURIOrFile()
// -> PaymentServer::readPaymentRequestFromFile()
// -> PaymentServer::processPaymentRequest()
// Contains a testnet paytoaddress, so payment request network doesn't match client network:
data = DecodeBase64(paymentrequest1_cert2_BASE64);
byteArray = QByteArray((const char*)data.data(), data.size());
r.paymentRequest.parse(byteArray);
// Ensure the request is initialized, because network "main" is default, even for
// uninitialized payment requests and that will fail our test here.
QVERIFY(r.paymentRequest.IsInitialized());
QCOMPARE(PaymentServer::verifyNetwork(*node, r.paymentRequest.getDetails()), false);
// Expired payment request (expires is set to 1 = 1970-01-01 00:00:01):
data = DecodeBase64(paymentrequest2_cert2_BASE64);
byteArray = QByteArray((const char*)data.data(), data.size());
r.paymentRequest.parse(byteArray);
// Ensure the request is initialized
QVERIFY(r.paymentRequest.IsInitialized());
// compares 1 < GetTime() == false (treated as expired payment request)
QCOMPARE(PaymentServer::verifyExpired(r.paymentRequest.getDetails()), true);
// Unexpired payment request (expires is set to 0x7FFFFFFFFFFFFFFF = max. int64_t):
// 9223372036854775807 (uint64), 9223372036854775807 (int64_t) and -1 (int32_t)
// -1 is 1969-12-31 23:59:59 (for a 32 bit time values)
data = DecodeBase64(paymentrequest3_cert2_BASE64);
byteArray = QByteArray((const char*)data.data(), data.size());
r.paymentRequest.parse(byteArray);
// Ensure the request is initialized
QVERIFY(r.paymentRequest.IsInitialized());
// compares 9223372036854775807 < GetTime() == false (treated as unexpired payment request)
QCOMPARE(PaymentServer::verifyExpired(r.paymentRequest.getDetails()), false);
// Unexpired payment request (expires is set to 0x8000000000000000 > max. int64_t, allowed uint64):
// 9223372036854775808 (uint64), -9223372036854775808 (int64_t) and 0 (int32_t)
// 0 is 1970-01-01 00:00:00 (for a 32 bit time values)
data = DecodeBase64(paymentrequest4_cert2_BASE64);
byteArray = QByteArray((const char*)data.data(), data.size());
r.paymentRequest.parse(byteArray);
// Ensure the request is initialized
QVERIFY(r.paymentRequest.IsInitialized());
// compares -9223372036854775808 < GetTime() == true (treated as expired payment request)
QCOMPARE(PaymentServer::verifyExpired(r.paymentRequest.getDetails()), true);
// Test BIP70 DoS protection:
unsigned char randData[BIP70_MAX_PAYMENTREQUEST_SIZE + 1];
GetRandBytes(randData, sizeof(randData));
// Write data to a temp file:
QTemporaryFile tempFile;
tempFile.open();
tempFile.write((const char*)randData, sizeof(randData));
tempFile.close();
// compares 50001 <= BIP70_MAX_PAYMENTREQUEST_SIZE == false
QCOMPARE(PaymentServer::verifySize(tempFile.size()), false);
// Payment request with amount overflow (amount is set to 21000001 BTC):
data = DecodeBase64(paymentrequest5_cert2_BASE64);
byteArray = QByteArray((const char*)data.data(), data.size());
r.paymentRequest.parse(byteArray);
// Ensure the request is initialized
QVERIFY(r.paymentRequest.IsInitialized());
// Extract address and amount from the request
QList<std::pair<CScript, CAmount> > sendingTos = r.paymentRequest.getPayTo();
for (const std::pair<CScript, CAmount>& sendingTo : sendingTos) {
CTxDestination dest;
if (ExtractDestination(sendingTo.first, dest))
QCOMPARE(PaymentServer::verifyAmount(sendingTo.second), false);
}
delete server;
}
void RecipientCatcher::getRecipient(const SendCoinsRecipient& r)
{
recipient = r;
}
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