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gui: Show messages as text not html

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Currently, error messages (such as InitError) are displayed as-is, which
means Qt does auto detection on the format.

This means that it's possible to inject HTML from the command line
though e.g. specifying a wallet name with HTML in it. This isn't
a direct security risk because fetching content from internet is
disabled (and as far as I know we never report strings received
from the network this way). However, it can be confusing.

So explicitly force the format as text.

Github-Pull: #12617
Rebased-From: 6fbc0986fa2d49a1cb65b60eca71c25c84842a54
This commit is contained in:
Wladimir J. van der Laan 2018-03-06 16:39:45 +01:00 committed by MarcoFalke
parent f78e7f6589
commit 21dd5127a4
1 changed files with 1 additions and 0 deletions
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1
src/qt/bitcoingui.cpp
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@ -923,6 +923,7 @@ void BitcoinGUI::message(const QString &title, const QString &message, unsigned
showNormalIfMinimized(); showNormalIfMinimized();
QMessageBox mBox((QMessageBox::Icon)nMBoxIcon, strTitle, message, buttons, this); QMessageBox mBox((QMessageBox::Icon)nMBoxIcon, strTitle, message, buttons, this);
mBox.setTextFormat(Qt::PlainText);
int r = mBox.exec(); int r = mBox.exec();
if (ret != nullptr) if (ret != nullptr)
*ret = r == QMessageBox::Ok; *ret = r == QMessageBox::Ok;