withinajail.sh

   1 #!/bin/sh
   2
   3 within_a_jail()
   4 {
   5     return $(sysctl -n security.jail.jailed)
   6 }
   7 if  within_a_jail;  then
   8                 echo You r in a jail
   9                 C_BOLD_S="\033[1m";     C_BOLD_E="\033[0m"
  10                 C_CYAN_S="\e[1;36m";    C_CYAN_E="\e[1;36m\e[0m"
  11                 C_GREEN_S="\e[1;32m";   C_GREEN_E="\e[1;32m\e[0m"
  12                 C_YELLOW_S="\e[1;33m";  C_YELLOW_E="\e[1;33m\e[0m"
  13                 C_RED_S="\e[1;31m";     C_RED_E="\e[1;31m\e[0m"
  14                 C_MAGENTA_S="\e[1;35m"; C_MAGENTA_E="\e[1;35m\e[0m"
  15 else
  16         echo ok. Not jailed.
  17 fi