AskPassphraseDialog::~AskPassphraseDialog()
{
// Attempt to overwrite text so that they do not linger around in memory
// ui->passEdit1->setText(QString(" ").repeated(ui->passEdit1->text().size()));
// ui->passEdit2->setText(QString(" ").repeated(ui->passEdit2->text().size()));
// ui->passEdit3->setText(QString(" ").repeated(ui->passEdit3->text().size()));
secureClearPassFields();
delete ui;
}
void AskPassphraseDialog::accept()
{
SecureString oldpass, newpass1, newpass2;
if(!model)
return;
oldpass.reserve(MAX_PASSPHRASE_SIZE);
newpass1.reserve(MAX_PASSPHRASE_SIZE);
newpass2.reserve(MAX_PASSPHRASE_SIZE);
// TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
// Alternately, find a way to make this input mlock()'d to begin with.
oldpass.assign(ui->passEdit1->text().toStdString().c_str());
newpass1.assign(ui->passEdit2->text().toStdString().c_str());
newpass2.assign(ui->passEdit3->text().toStdString().c_str());
secureClearPassFields();
switch(mode)
{
case Encrypt: {
if(newpass1.empty() || newpass2.empty())
{
// Cannot encrypt with empty passphrase
break;
}
QMessageBox::StandardButton retval = QMessageBox::question(this, tr("Confirm wallet encryption"),
tr("Warning: If you encrypt your wallet and lose your passphrase, you will <b>LOSE ALL OF YOUR COINS</b>!") + "<br><br>" + tr("Are you sure you wish to encrypt your wallet?"),
QMessageBox::Yes|QMessageBox::Cancel,
QMessageBox::Cancel);
if(retval == QMessageBox::Yes)
{
if(newpass1 == newpass2)
{
if(model->setWalletEncrypted(true, newpass1))
{
QMessageBox::warning(this, tr("Wallet encrypted"),
"<qt>" +
tr("PerfectCoin will close now to finish the encryption process. "
"Remember that encrypting your wallet cannot fully protect "
"your coins from being stolen by malware infecting your computer.") +
"<br><br><b>" +
tr("IMPORTANT: Any previous backups you have made of your wallet file "
"should be replaced with the newly generated, encrypted wallet file. "
"For security reasons, previous backups of the unencrypted wallet file "
"will become useless as soon as you start using the new, encrypted wallet.") +
"</b></qt>");
QApplication::quit();
}
else
{
QMessageBox::critical(this, tr("Wallet encryption failed"),
tr("Wallet encryption failed due to an internal error. Your wallet was not encrypted."));
}
QDialog::accept(); // Success
}
else
{
QMessageBox::critical(this, tr("Wallet encryption failed"),
tr("The supplied passphrases do not match."));
}
}
else
{
QDialog::reject(); // Cancelled
}
} break;
case UnlockStaking:
case Unlock:
if(!model->setWalletLocked(false, oldpass))
{
QMessageBox::critical(this, tr("Wallet unlock failed"),
tr("The passphrase entered for the wallet decryption was incorrect."));
}
else
{
fWalletUnlockStakingOnly = ui->stakingCheckBox->isChecked();
QDialog::accept(); // Success
}
break;
case Decrypt:
if(!model->setWalletEncrypted(false, oldpass))
{
QMessageBox::critical(this, tr("Wallet decryption failed"),
tr("The passphrase entered for the wallet decryption was incorrect."));
}
else
{
QDialog::accept(); // Success
}
break;
case ChangePass:
if(newpass1 == newpass2)
{
if(model->changePassphrase(oldpass, newpass1))
{
QMessageBox::information(this, tr("Wallet encrypted"),
tr("Wallet passphrase was successfully changed."));
QDialog::accept(); // Success
}
else
{
QMessageBox::critical(this, tr("Wallet encryption failed"),
tr("The passphrase entered for the wallet decryption was incorrect."));
}
}
else
{
QMessageBox::critical(this, tr("Wallet encryption failed"),
tr("The supplied passphrases do not match."));
}
break;
}
}
AskPassphraseDialog::~AskPassphraseDialog()
{
secureClearPassFields();
delete ui;
}
