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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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9
Userland/DevTools/Playground/main.cpp
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@ -139,6 +139,10 @@ int main(int argc, char** argv)
GUI::MessageBox::show(window, String::formatted("Opening \"{}\" failed: {}", path, strerror(errno)), "Error", GUI::MessageBox::Type::Error);
return 1;
}
if (file->is_device()) {
GUI::MessageBox::show(window, String::formatted("Opening \"{}\" failed: Can't open device files", path), "Error", GUI::MessageBox::Type::Error);
return 1;
}
editor.set_text(file->read_all());
}
@ -164,6 +168,11 @@ int main(int argc, char** argv)
return;
}
if (file->is_device()) {
GUI::MessageBox::show(window, String::formatted("Opening \"{}\" failed: Can't open device files", open_path.value()), "Error", GUI::MessageBox::Type::Error);
return;
}
editor.set_text(file->read_all());
editor.set_focus(true);
}));