#!/bin/sh

key="$1"
users="$*"
if [ -n "$key" ] && [ -n "$users" ]; then
  for n in $users; do
    if [ -s "/home/${n}/.ssh/authorized_keys" ]; then
      if grep -q "DISABLED" "/home/${n}/.ssh/authorized_keys"; then
        if [ "$n" != "fox" ]; then
          printf "%s\\n" "$key" > "/home/${n}/.ssh/authorized_keys"
          printf "%s restored\\n" "$n"
          usermod -s /bin/ksh "${n}"
        fi
      fi
    fi
  done
fi