sshroot

   1 #!/bin/bash
   2 export KRB5CCNAME=/tmp/krb5cc_$(id -u).root
   3 export KRBTKFILE=/dev/null
   4
   5 lifetime=900
   6 hostopt=""
   7 [ -z "$hostopt" ] && hostopt="${HOSTNAME}"
   8 [ -z "$hostopt" ] && hostopt=`uname -n 2>/dev/null || echo unknown`
   9 keys=~/.ssh/id_rsa_root
  10
  11 function with-keys
  12 {
  13     unset SSH_AUTH_SOCK SSH_AGENT_PID
  14     eval $(keychain --eval --host "$hostopt-root")
  15     exec "$@"
  16 }
  17
  18 case $1 in
  19     init)
  20         shift;
  21         unset SSH_AUTH_SOCK SSH_AGENT_PID
  22         echo exec keychain --host "$hostopt-root" $keys
  23         ;;
  24     add)
  25         with-keys ssh-add -t $lifetime "$@"
  26         ;;
  27     destroy)
  28         with-keys ssh-add -D
  29         ;;
  30     shell)
  31         HOSTNAME="`hostname` (sshroot)" with-keys $SHELL
  32         ;;
  33     ssh)
  34         shift
  35         with-keys ssh -l root "$@"
  36         ;;
  37     *)
  38         if [ $# = 0 ]; then
  39             echo "Usage: $0 init" >&2
  40             echo "       $0 add" >&2
  41             echo "       $0 destroy" >&2
  42             echo "       $0 shell" >&2
  43             echo "       $0 ssh [args]" >&2
  44             echo "       $0 [cmd]" >&2
  45         else
  46             with-keys "$@"
  47         fi
  48         ;;
  49 esac