Steve Kemp's Blog Writings relating to Debian & Free Software

A heady mixture of photography and programming

Tue, 29 May 2012 12:32:38 GMT

The past few weeks have consisted of a heady mixture of taking interesting pictures of cute people, and writing code.

I spent a while getting to grips with seccomp filters, using the facilities present in recent GNU/Linux Kernels to filter system calls binaries are allowed to make.

My initial test was to patch GNU Less to only allow it to open, read, and close files. The side-effect of this was that the built in shell-escape was closed, thus allowing me to test it.

After that I toyed around with interfacing with spidermonkey|seamonkey. In this regard I was less succesful, but I did manage to write code in C that would invoke javascript functions loaded dynamically. Similarly I could call from my (loaded) javascript code into functions defined in C.

I don't have a use for a Javascript to/from C bridge, but I'm sure that time will come.

Photography has been a constant distraction, I took some fun shots of the Edinburgh Marathon, and then distracted myself with a volunteer to take an abstract fishnet photograph. We went on to do some more fun shots begin careful to stay on the safe side of the NSFW limit. I think this is borderline NSFW, but we were both clear exactly what we wanted and we got it perfectly there.

Next week will be quieter, but providing we don't have another mini-heatwave in Edinburgh I'll be cheerful regardless.

ObQuote: One, two, Freddy's coming for you. - A Nightmare on Elm Street (original)

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