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FontEditor+TextEditor+Playground: Refuse to load device files

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This prevents the undefined behaviour that would come up as a result of
doing so. (For example: opening "infinite" devices like /dev/full will
result in an infinite loop until exhaustion of memory)
This commit is contained in:
Idan Horowitz 2021-03-30 00:37:30 +03:00 • committed by Andreas Kling
parent aff774c8ac
commit 77601e09c8
4 changed files with 31 additions and 2 deletions
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5
Userland/Applications/TextEditor/TextEditorWidget.cpp
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@ -639,6 +639,11 @@ bool TextEditorWidget::open_file(const String& path)
return false;
}
if (file->is_device()) {
GUI::MessageBox::show(window(), String::formatted("Opening \"{}\" failed: Can't open device files", path), "Error", GUI::MessageBox::Type::Error);
return false;
}
m_editor->set_text(file->read_all());
m_document_dirty = false;
m_document_opening = true;