Fix OpenSSL interop test

Set SNI

Author: jschneider-bensch

tests/openssl-interop.sh

@@ -90,22 +90,22 @@ run_bertie() {
 bertie_server_test() {
   echo "Running Bertie Server with ECDSA P256 certificate | Chacha20Poly1305 x25519"
   run_bertie p256 SHA256_Chacha20Poly1305_EcdsaSecp256r1Sha256_X25519
-  openssl s_client -curves X25519 -connect localhost:6443 </dev/null
+  openssl s_client -curves X25519 -connect localhost:6443 -servername localhost </dev/null
   kill $pid
 
   echo "Running Bertie Server with ECDSA P256 certificate | Chacha20Poly1305 P256"
   run_bertie p256 SHA256_Chacha20Poly1305_EcdsaSecp256r1Sha256_P256
-  openssl s_client -curves P-256 -connect localhost:6443 </dev/null
+  openssl s_client -curves P-256 -connect localhost:6443 -servername localhost </dev/null
   kill $pid
 
   echo "Running Bertie Server with RSA PSS certificate | Chacha20Poly1305 x25519"
   run_bertie rsa SHA256_Chacha20Poly1305_RsaPssRsaSha256_X25519
-  openssl s_client -curves X25519 -connect localhost:6443 </dev/null
+  openssl s_client -curves X25519 -connect localhost:6443 -servername localhost </dev/null
   kill $pid
 
   echo "Running Bertie Server with RSA PSS certificate | Chacha20Poly1305 P256"
   run_bertie rsa SHA256_Chacha20Poly1305_RsaPssRsaSha256_P256
-  openssl s_client -curves P-256 -connect localhost:6443 </dev/null
+  openssl s_client -curves P-256 -connect localhost:6443 -servername localhost </dev/null
   kill $pid
 }