mdw@git.distorted.org.uk Git - profile/blob - bin/x2x-privsep

   1 #! /bin/sh -ex
   2
   3 dir=west bogus=nil
   4 usage () { echo "usage: $0 [-ensw] HOST:RDPY/LDPY"; }
   5 while getopts "hensw" opt; do
   6   case $opt in
   7     h) usage; exit ;;
   8     e) dir=east ;;
   9     n) dir=north ;;
  10     s) dir=south ;;
  11     w) dir=west ;;
  12     *) bogus=t ;;
  13   esac
  14 done
  15 shift $(( $OPTIND - 1))
  16 case $bogus,$#,$1 in nil,1,*:*/*) ;; *) usage >&2; exit 2 ;; esac
  17 host=${1%:*} dpy=${1##*:}; rdpy=${dpy%%/*} ldpy=${dpy#*/}
  18 control=ControlPath=~/.ssh/sock-%l/control-%r@%h.x2x
  19 ssh -o$control -L"/tmp/.X11-unix/X$ldpy:/tmp/.X11-unix/X$rdpy" -Nafx "$host"
  20 sleep 1
  21 trap 'trap - INT QUIT HUP EXIT; ssh -o$control -Oexit "$host"; rm -f "/tmp/.X11-unix/X$ldpy"' INT QUIT HUP EXIT
  22 x2x -$dir -to ":$ldpy"