src/autossl-conn

   1 #!/bin/bash
   2
   3 # This script is called by autossl.so.
   4 # See variables in autossl.so and in autossl wrapper script's docs.
   5
   6 ip=$1
   7 plaintext_port=$2
   8
   9 declare -A tls_ports
  10 for pair in $AUTOSSL_TLS_PORT_MAP
  11 do
  12         from=${pair%%:*}
  13         to=${pair##*:}
  14         tls_ports[$from]=$to
  15 done
  16 unset pair from to
  17
  18 tls_port=${tls_ports[$plaintext_port]}
  19
  20 if [ -z $tls_port ]
  21 then
  22         unset AUTOSSL_UPGRADE_PORTS
  23         exec nc -v "$ip" "$plaintext_port"
  24 else
  25         echo "autossl: opening TLS channel to $ip:$tls_port" >&2
  26         if [ "$AUTOSSL_BACKEND" = stunnel ]
  27         then
  28                 echo "autossl: run: stunnel -f -c -r $ip:$tls_port" >&2
  29                 exec stunnel -f -c -r "$ip:$tls_port"
  30         else
  31                 echo "autossl: run: openssl s_client -connect $ip:$tls_port -quiet $OPENSSL_EXTRA_ARGS" >&2
  32                 exec /usr/local/opt/openssl_1.1.1h/bin/openssl s_client -connect "$ip:$tls_port" -quiet $OPENSSL_EXTRA_ARGS
  33         fi
  34 fi