Remove internal uses of SSLv23_*.

Change-Id: I69157b5e2527a2f92fc7b4b924a36e3399d043db
Reviewed-on: https://boringssl-review.googlesource.com/19444
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>

fuzz/client.cc

@@ -55,7 +55,7 @@ static int NPNSelectCallback(SSL *ssl, uint8_t **out, uint8_t *out_len,
 }
 
 struct GlobalState {
-  GlobalState() : ctx(SSL_CTX_new(SSLv23_method())) {
+  GlobalState() : ctx(SSL_CTX_new(TLS_method())) {
     debug = getenv("BORINGSSL_FUZZER_DEBUG") != nullptr;
 
     const uint8_t *bufp = kRSAPrivateKeyDER;

fuzz/server.cc

@@ -50,7 +50,7 @@ static int NPNAdvertiseCallback(SSL *ssl, const uint8_t **out,
 
 struct GlobalState {
   GlobalState()
-      : ctx(SSL_CTX_new(SSLv23_method())) {
+      : ctx(SSL_CTX_new(TLS_method())) {
     debug = getenv("BORINGSSL_FUZZER_DEBUG") != nullptr;
 
     const uint8_t *bufp = kRSAPrivateKeyDER;

tool/client.cc

@@ -337,7 +337,7 @@ bool Client(const std::vector<std::string> &args) {
     return false;
   }
 
-  bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(SSLv23_client_method()));
+  bssl::UniquePtr<SSL_CTX> ctx(SSL_CTX_new(TLS_method()));
 
   const char *keylog_file = getenv("SSLKEYLOGFILE");
   if (keylog_file) {