[mosh-users] How to determine if running inside mosh-server? (plus remainders of the initial SSH connection)

[Axel Beckert]

Hi,

is there a way to recognize that a program or shell is running inside
mosh(-server)? I mean besides running "ps xf" and parsing the output.
:-)

Acutally I imagine something like SSH's environment variables…

… which are btw. still present on processes started by mosh:

~ → echo $$
18755
~ → ps xf | fgrep -v grep | fgrep -A1 mosh
18754 ?        S      0:02 mosh-server new -s -c 256
18755 pts/17   Ss     0:01  \_ -/usr/bin/zsh
~ → tty
/dev/pts/17
~ → env | fgrep SSH
SSH_CLIENT=192.xx.yy.zz 50116 22
SSH_CONNECTION=192.xx.yy.zz 50116 178.aa.bb.cc 22
SSH_TTY=/dev/pts/16
SSH_AUTH_SOCK=/tmp/ssh-lPVun18751/agent.18751

Note also the different tty in $SHH_TTY and the "tty" and "ps xf"
output.

Shouldn't mosh-server drop all $SSH_* variables before spawning a
shell (or some other program)? And maybe export some $MOSH_… :-)

		Kind regards, Axel
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