Nevermind. I looked at PSPSSH's terminal emulator and it looks like something I could definitely use.
I might resurrect this thread once I have something interesting. Until then, thanks for all the help! Jonathan On Sun, Mar 15, 2009 at 12:00 PM, Jonathan Glines <auntie...@gmail.com> wrote: > Actually, concerning the terminal emulator, the printf library that > I'm using for the Wii supports VT terminal escape codes. I was able to > change the row and column with printf("\x1b[%d;%dH", row, column); and > set the foreground color to red with printf("\x1b[31;42m");. The > background color did not change to green like I expected, but I don't > think that is much of a problem. Is this fancy printf enough to > implement a simple terminal emulator? Or is it more involved? > > Thanks, > Jonathan > > P.S. > I've been reading through SSH's RFC and Dropbear's source at the same > time, and Dropbear's source is way easier to follow than OpenSSH's. > Nice work. :) > > On Sun, Mar 15, 2009 at 1:32 AM, Matt Johnston <m...@ucc.asn.au> wrote: >> Hi, >> >> It certainly should be doable, though I don't know what the >> Wii platform is like. Take a look at common-session.c for >> the main select() loop - if the Wii doesn't have posix >> sockets then you'll need to replace that and other calls to >> read()/write() and setting up non-blocking sockets. >> Dropbear doesn't use threads so you'll be OK there. You will >> probably need to generate your own entropy for the PRNG - >> moving a controller around for several seconds and hashing >> the output is a popular way. >> >> For a client you'll also need a terminal emulator. Writing >> one from scratch would be non-trivial I think, though some >> may already exist for the Wii? Otherwise I guess you could >> port PuTTY or something similar. (In which case you might >> want to look at its SSH code instead). >> >> Have a look at PSPSSH, a port to the PSP that might have had >> to solve similar problems. >> >> Cheers, >> Matt >> >> On Sat, Mar 14, 2009 at 02:47:49PM -0600, Jonathan Glines wrote: >>> Hello everyone. I'm a freshmen in college and need to write something >>> security-related for a class. After discovering how easy it is to >>> write homebrew for the Nintendo Wii, I set my sights on writing >>> something for that platform. Since SSH pretty much rules my life, I >>> decided to look for relatively simple SSH client I might be able to >>> port, which brought me to Dropbear. >>> >>> Now, I know the Wii isn't exactly POSIX compliant; I don't think >>> there's much of an operating system to speak of. Any port of Dropbear >>> will probably end up being more of a fork then a port. However, there >>> is an FTP server and a few other networked apps written for the Wii, >>> so I'm sure an SSH client is possible. But is a Dropbear port >>> feasible? >>> >>> I'm worried about the POSIX libraries that I won't be able to use, >>> such as network, time, threads, and entropy. Plus, I'm not well versed >>> in this stuff to begin with. But this is stuff I would really like to >>> learn, especially the networking. What parts of the code do you think >>> I will have to rewrite? >>> >>> Anyway, I just started this yesterday, and I'm not sure if I can do >>> it. Any tips, criticism, or words of encouragement would be greatly >>> appreciated. I'm prepared for blood and sweat if I'm going to get this >>> to work. ;) >>> >>> Regards, >>> Jonathan >>> >> >> >