Add additional features to bssl client.

This exposes the features needed to mimic Chrome's ClientHello, which is useful
in testing. Also use bssl_shim's scopers for SSL objects.

Change-Id: Icb88bb00c0a05c27610134d618f466a24f7f757a
Reviewed-on: https://boringssl-review.googlesource.com/4113
Reviewed-by: Adam Langley <agl@google.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/tool/transport_common.cc b/tool/transport_common.cc
index c05742e5..ddb41b6d 100644
--- a/tool/transport_common.cc
+++ b/tool/transport_common.cc
@@ -172,6 +172,17 @@ void PrintConnectionInfo(const SSL *ssl) {
   fprintf(stderr, "  Cipher: %s\n", SSL_CIPHER_get_name(cipher));
   fprintf(stderr, "  Secure renegotiation: %s\n",
           SSL_get_secure_renegotiation_support(ssl) ? "yes" : "no");
+
+  const uint8_t *next_proto;
+  unsigned next_proto_len;
+  SSL_get0_next_proto_negotiated(ssl, &next_proto, &next_proto_len);
+  fprintf(stderr, "  Next protocol negotiated: %.*s\n", next_proto_len,
+          next_proto);
+
+  const uint8_t *alpn;
+  unsigned alpn_len;
+  SSL_get0_alpn_selected(ssl, &alpn, &alpn_len);
+  fprintf(stderr, "  ALPN protocol: %.*s\n", alpn_len, alpn);
 }
 
 bool SocketSetNonBlocking(int sock, bool is_non_blocking) {