scripts/loginuser_openvt

   1 #!/bin/bash
   2
   3 #[$1 -f] force openvt
   4 #[$1 -w] wait process to exit
   5 #[$1 -s] switch terminal
   6 # $1 user
   7 # $2 ttyN (without /dev)
   8
   9 while [ "${1:0:1}" = '-' ]; do
  10     case "$1" in
  11         '-f')
  12             forceopen="-f"
  13             shift
  14         ;;
  15         '-w')
  16             wait_exit="-w"
  17             shift
  18         ;;
  19         '-s')
  20             switch="-s"
  21             shift
  22         ;;
  23         *)
  24             echo "unknown option: $1" && exit 1
  25         ;;
  26     esac
  27 done
  28
  29 [ -z "$1" -o -z "$2" ] && echo "usage: $0 [-f] [-w] [-s] user ttyN" && exit 1
  30
  31 [ "$2" = "$(echo "$2" | sed 's/^tty//')" ] && exit 1
  32 who | grep -q "^[^[:space:]]\+[[:space:]]\+$2[[:space:]]\+" && exit 1
  33 ttynum=`echo "$2" | sed 's/^tty//'`
  34 openvt -c $ttynum $switch $forceopen $wait_exit -- loginuser $1 $2
  35 #openvt -c $ttynum -s $forceopen $wait_exit -- sh -c 'exit 0'