Hi Darren, As you suggested, I've incorporated pty and enabled raw mode in my client program. VIM runs fine ;-P Now I only need to pass in the terminal window size and handle several signals Thanks for the heads up! On Mon, Feb 10, 2014 at 4:59 PM, Darren Tucker <dtucker@xxxxxxxxxx> wrote: > On Mon, Feb 10, 2014 at 7:39 PM, Aaron Lewis <the.warl0ck.1989@xxxxxxxxx> wrote: >> I'm trying to write my own remote shell program, > [...] >> 2. If I run command like VIM, it doesn't run. >> And buttons like "<ESC>:q" won't work >> >> Can someone enlighten me about what SSH did, so it all works perfectly? > > Pseudo terminals: http://en.wikipedia.org/wiki/Pseudo_terminal. ssh > asks sshd for one when you run an interactive shell (eg "ssh > yourserver") or you use the -t flag. You can run vim via ssh without > a pty and it'll behave like your application: "ssh server vim > somefile". > > If you can find a copy of Stevens' Advanced Programming in the Unix > Environment it's got a chapter on PTYs that's pretty good. Failing > that, take a look at the openpty man page and the code in openssh's > sshpty.c. > > if you don't have openpty then your task just got harder because it's > quite platform-specific; take a look in openbsd-compat/bsd-openpty.c. > > -- > Darren Tucker (dtucker at zip.com.au) > GPG key 8FF4FA69 / D9A3 86E9 7EEE AF4B B2D4 37C9 C982 80C7 8FF4 FA69 > Good judgement comes with experience. Unfortunately, the experience > usually comes from bad judgement. -- Best Regards, Aaron Lewis - PGP: 0x13714D33 - http://pgp.mit.edu/ Finger Print: 9F67 391B B770 8FF6 99DC D92D 87F6 2602 1371 4D33 _______________________________________________ openssh-unix-dev mailing list openssh-unix-dev@xxxxxxxxxxx https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev
