lufsd/lussh

   1 #!/bin/sh
   2
   3 echo
   4 echo This script will help you setup ssh public key authentication.
   5
   6
   7
   8 host=dummy
   9
  10 while [ -n "$host" ]; do
  11 echo -n "SSH server: "
  12 read host
  13 if [ -n "$host" ]; then
  14     echo -n "user[$USER]: "
  15     read usr
  16     if [ -z "$usr" ]; then
  17         usr=$USER
  18     fi
  19
  20     echo "Setting up RSA authentication for ${usr}@${host}..."
  21     if [ -f ~/.ssh/id_rsa.pub ]; then
  22         echo "RSA public key OK."
  23     else
  24         ssh-keygen -t rsa -f ~/.ssh/id_rsa -N ""
  25     fi
  26     scp ~/.ssh/id_rsa.pub ${usr}@${host}:~/
  27     ssh ${usr}@${host} "if [ ! -d ~/.ssh ]; then
  28                                 mkdir ~/.ssh
  29                             fi
  30                             cat ~/id_rsa.pub >> ~/.ssh/authorized_keys
  31                             chmod 0600 ~/.ssh/authorized_keys
  32                             rm ~/id_rsa.pub"
  33     echo
  34     echo "You should see the following message without being prompted for anything now..."
  35     echo
  36     ssh ${usr}@${host} "echo !!! Congratulations, you are now logged in as ${usr}@${host} !!!"
  37     echo
  38     echo "If you were prompted, public key authentication could not be configured..."
  39
  40             echo
  41             echo "Enter a blank servername when done."
  42             echo
  43 fi
  44 done
  45
  46 echo "End of configuration."