| Commit message (Collapse) | Author | Age | Files | Lines |
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I'd already dropped the variant without a filename. But even the variant
with a filename is very easy to use in a way that is confusing to use in
the presence of sandboxing:
* call io.lines()
* Sandboxing saves an error, io.lines() returns nil
* Caller (usually a loop) raises an error.
* We show the error and not the sandboxing failure.
* Worse, there's no way to adjust permissions from within Teliva,
because we can't ever get to that menu while there's an error.
Best solution I can come up with: encourage a separate step for
translating filename to file handle. That way it's more obvious that we
need to check for errors.
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Extremely cruddy implementation:
- I'm still unclear on how to represent the advice function:
- How to handle errors when loading user configuration?
Currently I refuse to start.
- Whole function? More errors to handle in header and so on. What if
the function is renamed?
- Just body? Needs more structured editing support.
- Lots of duplication, particularly between the permissions in the menu
and the permissions screen.
I don't know how to show the hostname at the time of connect() or
bind(), so networking is going to remain a boolean for now. It's also
unclear what effective constraints we can impose on what gets discussed
with a specific hostname. Everything outside the computer is out of
one's control.
One trick I learned is for consistently grabbing ASan logs on abort:
It's always safe to redirect stderr with ncurses!
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In the process we now also have a mechanism for Teliva to overlay errors
while apps run. Might make sense to make that available to apps as well.
But I'm starting to realize that any app access to the Teliva areas of
the screen is fraught with risk.
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This isn't necessarily for sandboxing, but they don't really work right
now in the presence of ncurses, and it seems better to not include
broken stuff. Maybe we can get them to coexist with ncurses down the
road.
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Again, too difficult to sandbox for now.
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https://www.lua.org
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