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Merge pull request #5620

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6715efb [Qt] Payment request expiration bug fix (re-done) (Philip Kaufmann)
This commit is contained in:
Wladimir J. van der Laan 2015-01-29 12:47:13 +01:00
commit 7823598fa4
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GPG Key ID: 74810B012346C9A6
7 changed files with 137 additions and 13 deletions
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25
src/qt/paymentserver.cpp
View File

@ -521,8 +521,6 @@ bool PaymentServer::processPaymentRequest(PaymentRequestPlus& request, SendCoins
return false;
if (request.IsInitialized()) {
const payments::PaymentDetails& details = request.getDetails();
// Payment request network matches client network?
if (!verifyNetwork(request.getDetails())) {
emit message(tr("Payment request rejected"), tr("Payment request network doesn't match client network."),
@ -531,16 +529,15 @@ bool PaymentServer::processPaymentRequest(PaymentRequestPlus& request, SendCoins
return false;
}
// Expired payment request?
if (details.has_expires() && (int64_t)details.expires() < GetTime())
{
emit message(tr("Payment request rejected"), tr("Payment request has expired."),
// Make sure any payment requests involved are still valid.
// This is re-checked just before sending coins in WalletModel::sendCoins().
if (verifyExpired(request.getDetails())) {
emit message(tr("Payment request rejected"), tr("Payment request expired."),
CClientUIInterface::MSG_ERROR);
return false;
}
}
else {
} else {
emit message(tr("Payment request error"), tr("Payment request is not initialized."),
CClientUIInterface::MSG_ERROR);
@ -759,3 +756,15 @@ bool PaymentServer::verifyNetwork(const payments::PaymentDetails& requestDetails
}
return fVerified;
}
bool PaymentServer::verifyExpired(const payments::PaymentDetails& requestDetails)
{
bool fVerified = (requestDetails.has_expires() && (int64_t)requestDetails.expires() < GetTime());
if (fVerified) {
const QString requestExpires = QString::fromStdString(DateTimeStrFormat("%Y-%m-%d %H:%M:%S", (int64_t)requestDetails.expires()));
qWarning() << QString("PaymentServer::%1: Payment request expired \"%2\".")
.arg(__func__)
.arg(requestExpires);
}
return fVerified;
}

2
src/qt/paymentserver.h
View File

@ -93,6 +93,8 @@ public:
// Verify that the payment request network matches the client network
static bool verifyNetwork(const payments::PaymentDetails& requestDetails);
// Verify if the payment request is expired
static bool verifyExpired(const payments::PaymentDetails& requestDetails);
signals:
// Fired when a valid payment request is received

4
src/qt/sendcoinsdialog.cpp
View File

@ -529,6 +529,10 @@ void SendCoinsDialog::processSendCoinsReturn(const WalletModel::SendCoinsReturn
case WalletModel::InsaneFee:
msgParams.first = tr("A fee higher than %1 is considered an insanely high fee.").arg(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), 10000000));
break;
case WalletModel::PaymentRequestExpired:
msgParams.first = tr("Payment request expired!");
msgParams.second = CClientUIInterface::MSG_ERROR;
break;
// included to prevent a compiler warning.
case WalletModel::OK:
default:

72
src/qt/test/paymentrequestdata.h
View File

@ -361,3 +361,75 @@ gAFwThsozZxkZxzCn4R8WxNiLFV6m0ye9fEtSbolfaW+EjBMpO03lr/dwNnrclhg\
ew+A05xfZztrAt16XKEY7qKJ/eY2nLd0fVAIu/nIt+7/VYVXT83zLrWc150aRS7W\
AdJbL3JOJLs6Eyp5zrPbfI8faRttFAdONKDrJgIpuW1E3g==\
";
//
// Expired payment request (expires is set to 1 = 1970-01-01 00:00:01)
//
const char* paymentrequest2_cert2_BASE64 =
"\
Egt4NTA5K3NoYTI1NhrQBArNBDCCAkkwggExoAMCAQICAQEwDQYJKoZIhvcNAQEL\
BQAwITEfMB0GA1UEAwwWUGF5bWVudFJlcXVlc3QgVGVzdCBDQTAeFw0xNTAxMTEx\
ODIxMDhaFw0yNTAxMDgxODIxMDhaMCExHzAdBgNVBAMMFlBheW1lbnRSZXF1ZXN0\
IFRlc3QgQ0EwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAMsZqzkzeBGo+i2N\
mUak3Ciodr1V7S062VOy7N0OQYNDQHYkgDFAUET7cEb5VJaHPv5m3ppTBpU9xBcf\
wbHHUt4VjA+mhRmYrl1khjvZM+X8kEqvWn20BtcM9R6r0yIYec8UERDDHBleL/P8\
RkxEnVLjYTV9zigCXfMsgYb3EQShAgMBAAGjEDAOMAwGA1UdEwQFMAMBAf8wDQYJ\
KoZIhvcNAQELBQADggEBABUJpl3QCqsoDSxAsQdV6zKT4VGV76AzoGj7etQsQY+r\
+S26VfWh/fMobEzuxFChr0USgLJ6FoK78hAtoZvt1lrye9yqFv/ig3WLWsJKWHHb\
3RT6oR03CIwZXFSUasi08QDVLxafwsU5OMcPLucF3a1lRL1ccYrNgVCCx1+X7Bos\
tIgDGRQQ4AyoHTcfVd2hEGeUv7k14mOxFsAp6851yosHq9Q2kwmdH+rHEJbjof87\
yyKLagc4owyXBZYkQmkeHWCNqnuRmO5vUsfVb0UUrkD64o7Th/NjwooA7SCiUXl6\
dfygT1b7ggpx7GC+sP2DsIM47IAZ55drjqX5u2f+Ba0iQgoEdGVzdBIgCICt4gQS\
GXapFASsapRTBKxoykO9YhoackY1CqLyiKwYiNLUpQUgASoQVGVzdGluZyB0ZXN0\
bmV0ISqAATXq9A5nmJgtmee/bQTeHeif4w1YYFPBlKghwx6qbVgXTWnwBJtOQhhV\
sZdzbTl95ENR7/Y7VJupW9kDWobCK7zUUhLAzUlwmLlcx6itHw8LTUF5HK+AwsZm\
Zs85lISGvOS0NZW/ENa6l+oQRnL87oqVZr/EDGiuqjz6T0ThQi0l\
";
//
// Unexpired payment request (expires is set to 0x7FFFFFFFFFFFFFFF = max. int64_t)
//
const char* paymentrequest3_cert2_BASE64 =
"\
Egt4NTA5K3NoYTI1NhrQBArNBDCCAkkwggExoAMCAQICAQEwDQYJKoZIhvcNAQEL\
BQAwITEfMB0GA1UEAwwWUGF5bWVudFJlcXVlc3QgVGVzdCBDQTAeFw0xNTAxMTEx\
ODIxMDhaFw0yNTAxMDgxODIxMDhaMCExHzAdBgNVBAMMFlBheW1lbnRSZXF1ZXN0\
IFRlc3QgQ0EwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAMsZqzkzeBGo+i2N\
mUak3Ciodr1V7S062VOy7N0OQYNDQHYkgDFAUET7cEb5VJaHPv5m3ppTBpU9xBcf\
wbHHUt4VjA+mhRmYrl1khjvZM+X8kEqvWn20BtcM9R6r0yIYec8UERDDHBleL/P8\
RkxEnVLjYTV9zigCXfMsgYb3EQShAgMBAAGjEDAOMAwGA1UdEwQFMAMBAf8wDQYJ\
KoZIhvcNAQELBQADggEBABUJpl3QCqsoDSxAsQdV6zKT4VGV76AzoGj7etQsQY+r\
+S26VfWh/fMobEzuxFChr0USgLJ6FoK78hAtoZvt1lrye9yqFv/ig3WLWsJKWHHb\
3RT6oR03CIwZXFSUasi08QDVLxafwsU5OMcPLucF3a1lRL1ccYrNgVCCx1+X7Bos\
tIgDGRQQ4AyoHTcfVd2hEGeUv7k14mOxFsAp6851yosHq9Q2kwmdH+rHEJbjof87\
yyKLagc4owyXBZYkQmkeHWCNqnuRmO5vUsfVb0UUrkD64o7Th/NjwooA7SCiUXl6\
dfygT1b7ggpx7GC+sP2DsIM47IAZ55drjqX5u2f+Ba0iSgoEdGVzdBIgCICt4gQS\
GXapFASsapRTBKxoykO9YhoackY1CqLyiKwYyNfZpQUg//////////9/KhBUZXN0\
aW5nIHRlc3RuZXQhKoABNwi8WnMW4aMvbmvorTiiWJLFhofLFnsoWCJnj3rWLnLh\
n3w6q/fZ26p50ERL/noxdTUfeFsKnlECkUu/fOcOrqyYDiwvxI0SZ034DleVyFU1\
Z3T+X0zcL8oe7bX01Yf+s2V+5JXQXarKnKBrZCGgv2ARjFNSZe7E7vGg5K4Q6Q8=\
";
//
// Unexpired payment request (expires is set to 0x8000000000000000 > max. int64_t, allowed uint64)
//
const char* paymentrequest4_cert2_BASE64 =
"\
Egt4NTA5K3NoYTI1NhrQBArNBDCCAkkwggExoAMCAQICAQEwDQYJKoZIhvcNAQEL\
BQAwITEfMB0GA1UEAwwWUGF5bWVudFJlcXVlc3QgVGVzdCBDQTAeFw0xNTAxMTEx\
ODIxMDhaFw0yNTAxMDgxODIxMDhaMCExHzAdBgNVBAMMFlBheW1lbnRSZXF1ZXN0\
IFRlc3QgQ0EwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAMsZqzkzeBGo+i2N\
mUak3Ciodr1V7S062VOy7N0OQYNDQHYkgDFAUET7cEb5VJaHPv5m3ppTBpU9xBcf\
wbHHUt4VjA+mhRmYrl1khjvZM+X8kEqvWn20BtcM9R6r0yIYec8UERDDHBleL/P8\
RkxEnVLjYTV9zigCXfMsgYb3EQShAgMBAAGjEDAOMAwGA1UdEwQFMAMBAf8wDQYJ\
KoZIhvcNAQELBQADggEBABUJpl3QCqsoDSxAsQdV6zKT4VGV76AzoGj7etQsQY+r\
+S26VfWh/fMobEzuxFChr0USgLJ6FoK78hAtoZvt1lrye9yqFv/ig3WLWsJKWHHb\
3RT6oR03CIwZXFSUasi08QDVLxafwsU5OMcPLucF3a1lRL1ccYrNgVCCx1+X7Bos\
tIgDGRQQ4AyoHTcfVd2hEGeUv7k14mOxFsAp6851yosHq9Q2kwmdH+rHEJbjof87\
yyKLagc4owyXBZYkQmkeHWCNqnuRmO5vUsfVb0UUrkD64o7Th/NjwooA7SCiUXl6\
dfygT1b7ggpx7GC+sP2DsIM47IAZ55drjqX5u2f+Ba0iSwoEdGVzdBIgCICt4gQS\
GXapFASsapRTBKxoykO9YhoackY1CqLyiKwYt+HZpQUggICAgICAgICAASoQVGVz\
dGluZyB0ZXN0bmV0ISqAAXSQG8+GFA18VaKarlYrOz293rNMIub0swKGcQm8jAGX\
HSLaRgHfUDeEPr4hydy4dtfu59KNwe2xsHOHu/SpO4L8SrA4Dm9A7SlNBVWdcLbw\
d2hj739GDLz0b5KuJ2SG6VknMRQM976w/m2qlq0ccVGaaZ2zMIGfpzL3p6adwx/5\
";

34
src/qt/test/paymentservertests.cpp
View File

@ -143,7 +143,38 @@ void PaymentServerTests::paymentServerTests()
QVERIFY(r.paymentRequest.IsInitialized());
QCOMPARE(PaymentServer::verifyNetwork(r.paymentRequest.getDetails()), false);
// Just get some random data big enough to trigger BIP70 DoS protection
// Expired payment request (expires is set to 1 = 1970-01-01 00:00:01):
data = DecodeBase64(paymentrequest2_cert2_BASE64);
byteArray = QByteArray((const char*)&data[0], 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[0], 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[0], 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:
@ -151,7 +182,6 @@ void PaymentServerTests::paymentServerTests()
tempFile.open();
tempFile.write((const char*)randData, sizeof(randData));
tempFile.close();
// Trigger BIP70 DoS protection
QCOMPARE(PaymentServer::readPaymentRequestFromFile(tempFile.fileName(), r.paymentRequest), false);
delete server;

8
src/qt/walletmodel.cpp
View File

@ -6,6 +6,7 @@
#include "addresstablemodel.h"
#include "guiconstants.h"
#include "paymentserver.h"
#include "recentrequeststablemodel.h"
#include "transactiontablemodel.h"
@ -294,11 +295,16 @@ WalletModel::SendCoinsReturn WalletModel::sendCoins(WalletModelTransaction &tran
LOCK2(cs_main, wallet->cs_wallet);
CWalletTx *newTx = transaction.getTransaction();
// Store PaymentRequests in wtx.vOrderForm in wallet.
foreach(const SendCoinsRecipient &rcp, transaction.getRecipients())
{
if (rcp.paymentRequest.IsInitialized())
{
// Make sure any payment requests involved are still valid.
if (PaymentServer::verifyExpired(rcp.paymentRequest.getDetails())) {
return PaymentRequestExpired;
}
// Store PaymentRequests in wtx.vOrderForm in wallet.
std::string key("PaymentRequest");
std::string value;
rcp.paymentRequest.SerializeToString(&value);

5
src/qt/walletmodel.h
View File

@ -40,7 +40,7 @@ public:
explicit SendCoinsRecipient(const QString &addr, const QString &label, const CAmount& amount, const QString &message):
address(addr), label(label), amount(amount), message(message), nVersion(SendCoinsRecipient::CURRENT_VERSION) {}
// If from an insecure payment request, this is used for storing
// If from an unauthenticated payment request, this is used for storing
// the addresses, e.g. address-A<br />address-B<br />address-C.
// Info: As we don't need to process addresses in here when using
// payment requests, we can abuse it for displaying an address list.
@ -111,7 +111,8 @@ public:
DuplicateAddress,
TransactionCreationFailed, // Error returned when wallet is still locked
TransactionCommitFailed,
InsaneFee
InsaneFee,
PaymentRequestExpired
};
enum EncryptionStatus