Remove BoringSSL from third_party .

We don't need it (gRPC is only used on the loopback interface), and the less dependencies, the better.

Change-Id: If5bc27812c9e8849618f349a448a7aeb920f2975

1 files changed, 0 insertions, 1392 deletions

diff --git a/third_party/boringssl/src/ssl/test/bssl_shim.cc b/third_party/boringssl/src/ssl/test/bssl_shim.cc
deleted file mode 100644
index edae67b9ce..0000000000
--- a/third_party/boringssl/src/ssl/test/bssl_shim.cc
+++ /dev/null
@@ -1,1392 +0,0 @@
-/* Copyright (c) 2014, Google Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
-
-#include <openssl/base.h>
-
-#if !defined(OPENSSL_WINDOWS)
-#include <arpa/inet.h>
-#include <netinet/in.h>
-#include <netinet/tcp.h>
-#include <signal.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-#include <unistd.h>
-#else
-#include <io.h>
-#pragma warning(push, 3)
-#include <winsock2.h>
-#include <ws2tcpip.h>
-#pragma warning(pop)
-
-#pragma comment(lib, "Ws2_32.lib")
-#endif
-
-#include <string.h>
-#include <sys/types.h>
-
-#include <openssl/bio.h>
-#include <openssl/buf.h>
-#include <openssl/bytestring.h>
-#include <openssl/cipher.h>
-#include <openssl/err.h>
-#include <openssl/hmac.h>
-#include <openssl/rand.h>
-#include <openssl/ssl.h>
-
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "../../crypto/test/scoped_types.h"
-#include "async_bio.h"
-#include "packeted_bio.h"
-#include "scoped_types.h"
-#include "test_config.h"
-
-
-#if !defined(OPENSSL_WINDOWS)
-static int closesocket(int sock) {
-  return close(sock);
-}
-
-static void PrintSocketError(const char *func) {
-  perror(func);
-}
-#else
-static void PrintSocketError(const char *func) {
-  fprintf(stderr, "%s: %d\n", func, WSAGetLastError());
-}
-#endif
-
-static int Usage(const char *program) {
-  fprintf(stderr, "Usage: %s [flags...]\n", program);
-  return 1;
-}
-
-struct TestState {
-  TestState() {
-    // MSVC cannot initialize these inline.
-    memset(&clock, 0, sizeof(clock));
-    memset(&clock_delta, 0, sizeof(clock_delta));
-  }
-
-  // async_bio is async BIO which pauses reads and writes.
-  BIO *async_bio = nullptr;
-  // clock is the current time for the SSL connection.
-  timeval clock;
-  // clock_delta is how far the clock advanced in the most recent failed
-  // |BIO_read|.
-  timeval clock_delta;
-  ScopedEVP_PKEY channel_id;
-  bool cert_ready = false;
-  ScopedSSL_SESSION session;
-  ScopedSSL_SESSION pending_session;
-  bool early_callback_called = false;
-  bool handshake_done = false;
-  // private_key is the underlying private key used when testing custom keys.
-  ScopedEVP_PKEY private_key;
-  std::vector<uint8_t> signature;
-  // signature_retries is the number of times an asynchronous sign operation has
-  // been retried.
-  unsigned signature_retries = 0;
-  bool got_new_session = false;
-};
-
-static void TestStateExFree(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
-                            int index, long argl, void *argp) {
-  delete ((TestState *)ptr);
-}
-
-static int g_config_index = 0;
-static int g_state_index = 0;
-
-static bool SetConfigPtr(SSL *ssl, const TestConfig *config) {
-  return SSL_set_ex_data(ssl, g_config_index, (void *)config) == 1;
-}
-
-static const TestConfig *GetConfigPtr(const SSL *ssl) {
-  return (const TestConfig *)SSL_get_ex_data(ssl, g_config_index);
-}
-
-static bool SetTestState(SSL *ssl, std::unique_ptr<TestState> async) {
-  if (SSL_set_ex_data(ssl, g_state_index, (void *)async.get()) == 1) {
-    async.release();
-    return true;
-  }
-  return false;
-}
-
-static TestState *GetTestState(const SSL *ssl) {
-  return (TestState *)SSL_get_ex_data(ssl, g_state_index);
-}
-
-static ScopedEVP_PKEY LoadPrivateKey(const std::string &file) {
-  ScopedBIO bio(BIO_new(BIO_s_file()));
-  if (!bio || !BIO_read_filename(bio.get(), file.c_str())) {
-    return nullptr;
-  }
-  ScopedEVP_PKEY pkey(PEM_read_bio_PrivateKey(bio.get(), NULL, NULL, NULL));
-  return pkey;
-}
-
-static int AsyncPrivateKeyType(SSL *ssl) {
-  return EVP_PKEY_id(GetTestState(ssl)->private_key.get());
-}
-
-static size_t AsyncPrivateKeyMaxSignatureLen(SSL *ssl) {
-  return EVP_PKEY_size(GetTestState(ssl)->private_key.get());
-}
-
-static ssl_private_key_result_t AsyncPrivateKeySign(
-    SSL *ssl, uint8_t *out, size_t *out_len, size_t max_out,
-    const EVP_MD *md, const uint8_t *in, size_t in_len) {
-  TestState *test_state = GetTestState(ssl);
-  if (!test_state->signature.empty()) {
-    fprintf(stderr, "AsyncPrivateKeySign called with operation pending.\n");
-    abort();
-  }
-
-  ScopedEVP_PKEY_CTX ctx(EVP_PKEY_CTX_new(test_state->private_key.get(),
-                                          nullptr));
-  if (!ctx) {
-    return ssl_private_key_failure;
-  }
-
-  // Write the signature into |test_state|.
-  size_t len = 0;
-  if (!EVP_PKEY_sign_init(ctx.get()) ||
-      !EVP_PKEY_CTX_set_signature_md(ctx.get(), md) ||
-      !EVP_PKEY_sign(ctx.get(), nullptr, &len, in, in_len)) {
-    return ssl_private_key_failure;
-  }
-  test_state->signature.resize(len);
-  if (!EVP_PKEY_sign(ctx.get(), bssl::vector_data(&test_state->signature), &len,
-                     in, in_len)) {
-    return ssl_private_key_failure;
-  }
-  test_state->signature.resize(len);
-
-  // The signature will be released asynchronously in |AsyncPrivateKeySignComplete|.
-  return ssl_private_key_retry;
-}
-
-static ssl_private_key_result_t AsyncPrivateKeySignComplete(
-    SSL *ssl, uint8_t *out, size_t *out_len, size_t max_out) {
-  TestState *test_state = GetTestState(ssl);
-  if (test_state->signature.empty()) {
-    fprintf(stderr,
-            "AsyncPrivateKeySignComplete called without operation pending.\n");
-    abort();
-  }
-
-  if (test_state->signature_retries < 2) {
-    // Only return the signature on the second attempt, to test both incomplete
-    // |sign| and |sign_complete|.
-    return ssl_private_key_retry;
-  }
-
-  if (max_out < test_state->signature.size()) {
-    fprintf(stderr, "Output buffer too small.\n");
-    return ssl_private_key_failure;
-  }
-  memcpy(out, bssl::vector_data(&test_state->signature),
-         test_state->signature.size());
-  *out_len = test_state->signature.size();
-
-  test_state->signature.clear();
-  test_state->signature_retries = 0;
-  return ssl_private_key_success;
-}
-
-static const SSL_PRIVATE_KEY_METHOD g_async_private_key_method = {
-    AsyncPrivateKeyType,
-    AsyncPrivateKeyMaxSignatureLen,
-    AsyncPrivateKeySign,
-    AsyncPrivateKeySignComplete,
-};
-
-template<typename T>
-struct Free {
-  void operator()(T *buf) {
-    free(buf);
-  }
-};
-
-static bool InstallCertificate(SSL *ssl) {
-  const TestConfig *config = GetConfigPtr(ssl);
-  TestState *test_state = GetTestState(ssl);
-
-  if (!config->digest_prefs.empty()) {
-    std::unique_ptr<char, Free<char>> digest_prefs(
-        strdup(config->digest_prefs.c_str()));
-    std::vector<int> digest_list;
-
-    for (;;) {
-      char *token =
-          strtok(digest_list.empty() ? digest_prefs.get() : nullptr, ",");
-      if (token == nullptr) {
-        break;
-      }
-
-      digest_list.push_back(EVP_MD_type(EVP_get_digestbyname(token)));
-    }
-
-    if (!SSL_set_private_key_digest_prefs(ssl, digest_list.data(),
-                                          digest_list.size())) {
-      return false;
-    }
-  }
-
-  if (!config->key_file.empty()) {
-    if (config->use_async_private_key) {
-      test_state->private_key = LoadPrivateKey(config->key_file.c_str());
-      if (!test_state->private_key) {
-        return false;
-      }
-      SSL_set_private_key_method(ssl, &g_async_private_key_method);
-    } else if (!SSL_use_PrivateKey_file(ssl, config->key_file.c_str(),
-                                        SSL_FILETYPE_PEM)) {
-      return false;
-    }
-  }
-  if (!config->cert_file.empty() &&
-      !SSL_use_certificate_file(ssl, config->cert_file.c_str(),
-                                SSL_FILETYPE_PEM)) {
-    return false;
-  }
-  if (!config->ocsp_response.empty() &&
-      !SSL_CTX_set_ocsp_response(ssl->ctx,
-                                 (const uint8_t *)config->ocsp_response.data(),
-                                 config->ocsp_response.size())) {
-    return false;
-  }
-  return true;
-}
-
-static int SelectCertificateCallback(const struct ssl_early_callback_ctx *ctx) {
-  const TestConfig *config = GetConfigPtr(ctx->ssl);
-  GetTestState(ctx->ssl)->early_callback_called = true;
-
-  if (!config->expected_server_name.empty()) {
-    const uint8_t *extension_data;
-    size_t extension_len;
-    CBS extension, server_name_list, host_name;
-    uint8_t name_type;
-
-    if (!SSL_early_callback_ctx_extension_get(ctx, TLSEXT_TYPE_server_name,
-                                              &extension_data,
-                                              &extension_len)) {
-      fprintf(stderr, "Could not find server_name extension.\n");
-      return -1;
-    }
-
-    CBS_init(&extension, extension_data, extension_len);
-    if (!CBS_get_u16_length_prefixed(&extension, &server_name_list) ||
-        CBS_len(&extension) != 0 ||
-        !CBS_get_u8(&server_name_list, &name_type) ||
-        name_type != TLSEXT_NAMETYPE_host_name ||
-        !CBS_get_u16_length_prefixed(&server_name_list, &host_name) ||
-        CBS_len(&server_name_list) != 0) {
-      fprintf(stderr, "Could not decode server_name extension.\n");
-      return -1;
-    }
-
-    if (!CBS_mem_equal(&host_name,
-                       (const uint8_t*)config->expected_server_name.data(),
-                       config->expected_server_name.size())) {
-      fprintf(stderr, "Server name mismatch.\n");
-    }
-  }
-
-  if (config->fail_early_callback) {
-    return -1;
-  }
-
-  // Install the certificate in the early callback.
-  if (config->use_early_callback) {
-    if (config->async) {
-      // Install the certificate asynchronously.
-      return 0;
-    }
-    if (!InstallCertificate(ctx->ssl)) {
-      return -1;
-    }
-  }
-  return 1;
-}
-
-static int VerifySucceed(X509_STORE_CTX *store_ctx, void *arg) {
-  SSL* ssl = (SSL*)X509_STORE_CTX_get_ex_data(store_ctx,
-      SSL_get_ex_data_X509_STORE_CTX_idx());
-  const TestConfig *config = GetConfigPtr(ssl);
-
-  if (!config->expected_ocsp_response.empty()) {
-    const uint8_t *data;
-    size_t len;
-    SSL_get0_ocsp_response(ssl, &data, &len);
-    if (len == 0) {
-      fprintf(stderr, "OCSP response not available in verify callback\n");
-      return 0;
-    }
-  }
-
-  return 1;
-}
-
-static int VerifyFail(X509_STORE_CTX *store_ctx, void *arg) {
-  store_ctx->error = X509_V_ERR_APPLICATION_VERIFICATION;
-  return 0;
-}
-
-static int NextProtosAdvertisedCallback(SSL *ssl, const uint8_t **out,
-                                        unsigned int *out_len, void *arg) {
-  const TestConfig *config = GetConfigPtr(ssl);
-  if (config->advertise_npn.empty()) {
-    return SSL_TLSEXT_ERR_NOACK;
-  }
-
-  *out = (const uint8_t*)config->advertise_npn.data();
-  *out_len = config->advertise_npn.size();
-  return SSL_TLSEXT_ERR_OK;
-}
-
-static int NextProtoSelectCallback(SSL* ssl, uint8_t** out, uint8_t* outlen,
-                                   const uint8_t* in, unsigned inlen, void* arg) {
-  const TestConfig *config = GetConfigPtr(ssl);
-  if (config->select_next_proto.empty()) {
-    return SSL_TLSEXT_ERR_NOACK;
-  }
-
-  *out = (uint8_t*)config->select_next_proto.data();
-  *outlen = config->select_next_proto.size();
-  return SSL_TLSEXT_ERR_OK;
-}
-
-static int AlpnSelectCallback(SSL* ssl, const uint8_t** out, uint8_t* outlen,
-                              const uint8_t* in, unsigned inlen, void* arg) {
-  const TestConfig *config = GetConfigPtr(ssl);
-  if (config->select_alpn.empty()) {
-    return SSL_TLSEXT_ERR_NOACK;
-  }
-
-  if (!config->expected_advertised_alpn.empty() &&
-      (config->expected_advertised_alpn.size() != inlen ||
-       memcmp(config->expected_advertised_alpn.data(),
-              in, inlen) != 0)) {
-    fprintf(stderr, "bad ALPN select callback inputs\n");
-    exit(1);
-  }
-
-  *out = (const uint8_t*)config->select_alpn.data();
-  *outlen = config->select_alpn.size();
-  return SSL_TLSEXT_ERR_OK;
-}
-
-static unsigned PskClientCallback(SSL *ssl, const char *hint,
-                                  char *out_identity,
-                                  unsigned max_identity_len,
-                                  uint8_t *out_psk, unsigned max_psk_len) {
-  const TestConfig *config = GetConfigPtr(ssl);
-
-  if (strcmp(hint ? hint : "", config->psk_identity.c_str()) != 0) {
-    fprintf(stderr, "Server PSK hint did not match.\n");
-    return 0;
-  }
-
-  // Account for the trailing '\0' for the identity.
-  if (config->psk_identity.size() >= max_identity_len ||
-      config->psk.size() > max_psk_len) {
-    fprintf(stderr, "PSK buffers too small\n");
-    return 0;
-  }
-
-  BUF_strlcpy(out_identity, config->psk_identity.c_str(),
-              max_identity_len);
-  memcpy(out_psk, config->psk.data(), config->psk.size());
-  return config->psk.size();
-}
-
-static unsigned PskServerCallback(SSL *ssl, const char *identity,
-                                  uint8_t *out_psk, unsigned max_psk_len) {
-  const TestConfig *config = GetConfigPtr(ssl);
-
-  if (strcmp(identity, config->psk_identity.c_str()) != 0) {
-    fprintf(stderr, "Client PSK identity did not match.\n");
-    return 0;
-  }
-
-  if (config->psk.size() > max_psk_len) {
-    fprintf(stderr, "PSK buffers too small\n");
-    return 0;
-  }
-
-  memcpy(out_psk, config->psk.data(), config->psk.size());
-  return config->psk.size();
-}
-
-static void CurrentTimeCallback(const SSL *ssl, timeval *out_clock) {
-  *out_clock = GetTestState(ssl)->clock;
-}
-
-static void ChannelIdCallback(SSL *ssl, EVP_PKEY **out_pkey) {
-  *out_pkey = GetTestState(ssl)->channel_id.release();
-}
-
-static int CertCallback(SSL *ssl, void *arg) {
-  if (!GetTestState(ssl)->cert_ready) {
-    return -1;
-  }
-  if (!InstallCertificate(ssl)) {
-    return 0;
-  }
-  return 1;
-}
-
-static SSL_SESSION *GetSessionCallback(SSL *ssl, uint8_t *data, int len,
-                                       int *copy) {
-  TestState *async_state = GetTestState(ssl);
-  if (async_state->session) {
-    *copy = 0;
-    return async_state->session.release();
-  } else if (async_state->pending_session) {
-    return SSL_magic_pending_session_ptr();
-  } else {
-    return NULL;
-  }
-}
-
-static int DDoSCallback(const struct ssl_early_callback_ctx *early_context) {
-  const TestConfig *config = GetConfigPtr(early_context->ssl);
-  static int callback_num = 0;
-
-  callback_num++;
-  if (config->fail_ddos_callback ||
-      (config->fail_second_ddos_callback && callback_num == 2)) {
-    return 0;
-  }
-  return 1;
-}
-
-static void InfoCallback(const SSL *ssl, int type, int val) {
-  if (type == SSL_CB_HANDSHAKE_DONE) {
-    if (GetConfigPtr(ssl)->handshake_never_done) {
-      fprintf(stderr, "handshake completed\n");
-      // Abort before any expected error code is printed, to ensure the overall
-      // test fails.
-      abort();
-    }
-    GetTestState(ssl)->handshake_done = true;
-  }
-}
-
-static int NewSessionCallback(SSL *ssl, SSL_SESSION *session) {
-  GetTestState(ssl)->got_new_session = true;
-  // BoringSSL passes a reference to |session|.
-  SSL_SESSION_free(session);
-  return 1;
-}
-
-static int TicketKeyCallback(SSL *ssl, uint8_t *key_name, uint8_t *iv,
-                             EVP_CIPHER_CTX *ctx, HMAC_CTX *hmac_ctx,
-                             int encrypt) {
-  // This is just test code, so use the all-zeros key.
-  static const uint8_t kZeros[16] = {0};
-
-  if (encrypt) {
-    memcpy(key_name, kZeros, sizeof(kZeros));
-    RAND_bytes(iv, 16);
-  } else if (memcmp(key_name, kZeros, 16) != 0) {
-    return 0;
-  }
-
-  if (!HMAC_Init_ex(hmac_ctx, kZeros, sizeof(kZeros), EVP_sha256(), NULL) ||
-      !EVP_CipherInit_ex(ctx, EVP_aes_128_cbc(), NULL, kZeros, iv, encrypt)) {
-    return -1;
-  }
-
-  if (!encrypt) {
-    return GetConfigPtr(ssl)->renew_ticket ? 2 : 1;
-  }
-  return 1;
-}
-
-// kCustomExtensionValue is the extension value that the custom extension
-// callbacks will add.
-static const uint16_t kCustomExtensionValue = 1234;
-static void *const kCustomExtensionAddArg =
-    reinterpret_cast<void *>(kCustomExtensionValue);
-static void *const kCustomExtensionParseArg =
-    reinterpret_cast<void *>(kCustomExtensionValue + 1);
-static const char kCustomExtensionContents[] = "custom extension";
-
-static int CustomExtensionAddCallback(SSL *ssl, unsigned extension_value,
-                                      const uint8_t **out, size_t *out_len,
-                                      int *out_alert_value, void *add_arg) {
-  if (extension_value != kCustomExtensionValue ||
-      add_arg != kCustomExtensionAddArg) {
-    abort();
-  }
-
-  if (GetConfigPtr(ssl)->custom_extension_skip) {
-    return 0;
-  }
-  if (GetConfigPtr(ssl)->custom_extension_fail_add) {
-    return -1;
-  }
-
-  *out = reinterpret_cast<const uint8_t*>(kCustomExtensionContents);
-  *out_len = sizeof(kCustomExtensionContents) - 1;
-
-  return 1;
-}
-
-static void CustomExtensionFreeCallback(SSL *ssl, unsigned extension_value,
-                                        const uint8_t *out, void *add_arg) {
-  if (extension_value != kCustomExtensionValue ||
-      add_arg != kCustomExtensionAddArg ||
-      out != reinterpret_cast<const uint8_t *>(kCustomExtensionContents)) {
-    abort();
-  }
-}
-
-static int CustomExtensionParseCallback(SSL *ssl, unsigned extension_value,
-                                        const uint8_t *contents,
-                                        size_t contents_len,
-                                        int *out_alert_value, void *parse_arg) {
-  if (extension_value != kCustomExtensionValue ||
-      parse_arg != kCustomExtensionParseArg) {
-    abort();
-  }
-
-  if (contents_len != sizeof(kCustomExtensionContents) - 1 ||
-      memcmp(contents, kCustomExtensionContents, contents_len) != 0) {
-    *out_alert_value = SSL_AD_DECODE_ERROR;
-    return 0;
-  }
-
-  return 1;
-}
-
-// Connect returns a new socket connected to localhost on |port| or -1 on
-// error.
-static int Connect(uint16_t port) {
-  int sock = socket(AF_INET, SOCK_STREAM, 0);
-  if (sock == -1) {
-    PrintSocketError("socket");
-    return -1;
-  }
-  int nodelay = 1;
-  if (setsockopt(sock, IPPROTO_TCP, TCP_NODELAY,
-          reinterpret_cast<const char*>(&nodelay), sizeof(nodelay)) != 0) {
-    PrintSocketError("setsockopt");
-    closesocket(sock);
-    return -1;
-  }
-  sockaddr_in sin;
-  memset(&sin, 0, sizeof(sin));
-  sin.sin_family = AF_INET;
-  sin.sin_port = htons(port);
-  if (!inet_pton(AF_INET, "127.0.0.1", &sin.sin_addr)) {
-    PrintSocketError("inet_pton");
-    closesocket(sock);
-    return -1;
-  }
-  if (connect(sock, reinterpret_cast<const sockaddr*>(&sin),
-              sizeof(sin)) != 0) {
-    PrintSocketError("connect");
-    closesocket(sock);
-    return -1;
-  }
-  return sock;
-}
-
-class SocketCloser {
- public:
-  explicit SocketCloser(int sock) : sock_(sock) {}
-  ~SocketCloser() {
-    // Half-close and drain the socket before releasing it. This seems to be
-    // necessary for graceful shutdown on Windows. It will also avoid write
-    // failures in the test runner.
-#if defined(OPENSSL_WINDOWS)
-    shutdown(sock_, SD_SEND);
-#else
-    shutdown(sock_, SHUT_WR);
-#endif
-    while (true) {
-      char buf[1024];
-      if (recv(sock_, buf, sizeof(buf), 0) <= 0) {
-        break;
-      }
-    }
-    closesocket(sock_);
-  }
-
- private:
-  const int sock_;
-};
-
-static ScopedSSL_CTX SetupCtx(const TestConfig *config) {
-  ScopedSSL_CTX ssl_ctx(SSL_CTX_new(
-      config->is_dtls ? DTLS_method() : TLS_method()));
-  if (!ssl_ctx) {
-    return nullptr;
-  }
-
-  std::string cipher_list = "ALL";
-  if (!config->cipher.empty()) {
-    cipher_list = config->cipher;
-    SSL_CTX_set_options(ssl_ctx.get(), SSL_OP_CIPHER_SERVER_PREFERENCE);
-  }
-  if (!SSL_CTX_set_cipher_list(ssl_ctx.get(), cipher_list.c_str())) {
-    return nullptr;
-  }
-
-  if (!config->cipher_tls10.empty() &&
-      !SSL_CTX_set_cipher_list_tls10(ssl_ctx.get(),
-                                     config->cipher_tls10.c_str())) {
-    return nullptr;
-  }
-  if (!config->cipher_tls11.empty() &&
-      !SSL_CTX_set_cipher_list_tls11(ssl_ctx.get(),
-                                     config->cipher_tls11.c_str())) {
-    return nullptr;
-  }
-
-  ScopedDH dh(DH_get_2048_256(NULL));
-  if (!dh || !SSL_CTX_set_tmp_dh(ssl_ctx.get(), dh.get())) {
-    return nullptr;
-  }
-
-  if (config->async && config->is_server) {
-    // Disable the internal session cache. To test asynchronous session lookup,
-    // we use an external session cache.
-    SSL_CTX_set_session_cache_mode(
-        ssl_ctx.get(), SSL_SESS_CACHE_BOTH | SSL_SESS_CACHE_NO_INTERNAL);
-    SSL_CTX_sess_set_get_cb(ssl_ctx.get(), GetSessionCallback);
-  } else {
-    SSL_CTX_set_session_cache_mode(ssl_ctx.get(), SSL_SESS_CACHE_BOTH);
-  }
-
-  ssl_ctx->select_certificate_cb = SelectCertificateCallback;
-
-  SSL_CTX_set_next_protos_advertised_cb(
-      ssl_ctx.get(), NextProtosAdvertisedCallback, NULL);
-  if (!config->select_next_proto.empty()) {
-    SSL_CTX_set_next_proto_select_cb(ssl_ctx.get(), NextProtoSelectCallback,
-                                     NULL);
-  }
-
-  if (!config->select_alpn.empty()) {
-    SSL_CTX_set_alpn_select_cb(ssl_ctx.get(), AlpnSelectCallback, NULL);
-  }
-
-  SSL_CTX_enable_tls_channel_id(ssl_ctx.get());
-  SSL_CTX_set_channel_id_cb(ssl_ctx.get(), ChannelIdCallback);
-
-  ssl_ctx->current_time_cb = CurrentTimeCallback;
-
-  SSL_CTX_set_info_callback(ssl_ctx.get(), InfoCallback);
-  SSL_CTX_sess_set_new_cb(ssl_ctx.get(), NewSessionCallback);
-
-  if (config->use_ticket_callback) {
-    SSL_CTX_set_tlsext_ticket_key_cb(ssl_ctx.get(), TicketKeyCallback);
-  }
-
-  if (config->enable_client_custom_extension &&
-      !SSL_CTX_add_client_custom_ext(
-          ssl_ctx.get(), kCustomExtensionValue, CustomExtensionAddCallback,
-          CustomExtensionFreeCallback, kCustomExtensionAddArg,
-          CustomExtensionParseCallback, kCustomExtensionParseArg)) {
-    return nullptr;
-  }
-
-  if (config->enable_server_custom_extension &&
-      !SSL_CTX_add_server_custom_ext(
-          ssl_ctx.get(), kCustomExtensionValue, CustomExtensionAddCallback,
-          CustomExtensionFreeCallback, kCustomExtensionAddArg,
-          CustomExtensionParseCallback, kCustomExtensionParseArg)) {
-    return nullptr;
-  }
-
-  if (config->verify_fail) {
-    SSL_CTX_set_cert_verify_callback(ssl_ctx.get(), VerifyFail, NULL);
-  } else {
-    SSL_CTX_set_cert_verify_callback(ssl_ctx.get(), VerifySucceed, NULL);
-  }
-
-  if (!config->signed_cert_timestamps.empty() &&
-      !SSL_CTX_set_signed_cert_timestamp_list(
-          ssl_ctx.get(), (const uint8_t *)config->signed_cert_timestamps.data(),
-          config->signed_cert_timestamps.size())) {
-    return nullptr;
-  }
-
-  return ssl_ctx;
-}
-
-// RetryAsync is called after a failed operation on |ssl| with return code
-// |ret|. If the operation should be retried, it simulates one asynchronous
-// event and returns true. Otherwise it returns false.
-static bool RetryAsync(SSL *ssl, int ret) {
-  // No error; don't retry.
-  if (ret >= 0) {
-    return false;
-  }
-
-  TestState *test_state = GetTestState(ssl);
-  if (test_state->clock_delta.tv_usec != 0 ||
-      test_state->clock_delta.tv_sec != 0) {
-    // Process the timeout and retry.
-    test_state->clock.tv_usec += test_state->clock_delta.tv_usec;
-    test_state->clock.tv_sec += test_state->clock.tv_usec / 1000000;
-    test_state->clock.tv_usec %= 1000000;
-    test_state->clock.tv_sec += test_state->clock_delta.tv_sec;
-    memset(&test_state->clock_delta, 0, sizeof(test_state->clock_delta));
-
-    if (DTLSv1_handle_timeout(ssl) < 0) {
-      fprintf(stderr, "Error retransmitting.\n");
-      return false;
-    }
-    return true;
-  }
-
-  // See if we needed to read or write more. If so, allow one byte through on
-  // the appropriate end to maximally stress the state machine.
-  switch (SSL_get_error(ssl, ret)) {
-    case SSL_ERROR_WANT_READ:
-      AsyncBioAllowRead(test_state->async_bio, 1);
-      return true;
-    case SSL_ERROR_WANT_WRITE:
-      AsyncBioAllowWrite(test_state->async_bio, 1);
-      return true;
-    case SSL_ERROR_WANT_CHANNEL_ID_LOOKUP: {
-      ScopedEVP_PKEY pkey = LoadPrivateKey(GetConfigPtr(ssl)->send_channel_id);
-      if (!pkey) {
-        return false;
-      }
-      test_state->channel_id = std::move(pkey);
-      return true;
-    }
-    case SSL_ERROR_WANT_X509_LOOKUP:
-      test_state->cert_ready = true;
-      return true;
-    case SSL_ERROR_PENDING_SESSION:
-      test_state->session = std::move(test_state->pending_session);
-      return true;
-    case SSL_ERROR_PENDING_CERTIFICATE:
-      // The handshake will resume without a second call to the early callback.
-      return InstallCertificate(ssl);
-    case SSL_ERROR_WANT_PRIVATE_KEY_OPERATION:
-      test_state->signature_retries++;
-      return true;
-    default:
-      return false;
-  }
-}
-
-// DoRead reads from |ssl|, resolving any asynchronous operations. It returns
-// the result value of the final |SSL_read| call.
-static int DoRead(SSL *ssl, uint8_t *out, size_t max_out) {
-  const TestConfig *config = GetConfigPtr(ssl);
-  int ret;
-  do {
-    ret = SSL_read(ssl, out, max_out);
-  } while (config->async && RetryAsync(ssl, ret));
-  return ret;
-}
-
-// WriteAll writes |in_len| bytes from |in| to |ssl|, resolving any asynchronous
-// operations. It returns the result of the final |SSL_write| call.
-static int WriteAll(SSL *ssl, const uint8_t *in, size_t in_len) {
-  const TestConfig *config = GetConfigPtr(ssl);
-  int ret;
-  do {
-    ret = SSL_write(ssl, in, in_len);
-    if (ret > 0) {
-      in += ret;
-      in_len -= ret;
-    }
-  } while ((config->async && RetryAsync(ssl, ret)) || (ret > 0 && in_len > 0));
-  return ret;
-}
-
-// DoShutdown calls |SSL_shutdown|, resolving any asynchronous operations. It
-// returns the result of the final |SSL_shutdown| call.
-static int DoShutdown(SSL *ssl) {
-  const TestConfig *config = GetConfigPtr(ssl);
-  int ret;
-  do {
-    ret = SSL_shutdown(ssl);
-  } while (config->async && RetryAsync(ssl, ret));
-  return ret;
-}
-
-// CheckHandshakeProperties checks, immediately after |ssl| completes its
-// initial handshake (or False Starts), whether all the properties are
-// consistent with the test configuration and invariants.
-static bool CheckHandshakeProperties(SSL *ssl, bool is_resume) {
-  const TestConfig *config = GetConfigPtr(ssl);
-
-  if (SSL_get_current_cipher(ssl) == nullptr) {
-    fprintf(stderr, "null cipher after handshake\n");
-    return false;
-  }
-
-  if (is_resume &&
-      (!!SSL_session_reused(ssl) == config->expect_session_miss)) {
-    fprintf(stderr, "session was%s reused\n",
-            SSL_session_reused(ssl) ? "" : " not");
-    return false;
-  }
-
-  bool expect_handshake_done = is_resume || !config->false_start;
-  if (expect_handshake_done != GetTestState(ssl)->handshake_done) {
-    fprintf(stderr, "handshake was%s completed\n",
-            GetTestState(ssl)->handshake_done ? "" : " not");
-    return false;
-  }
-
-  if (expect_handshake_done && !config->is_server) {
-    bool expect_new_session =
-        !config->expect_no_session &&
-        (!SSL_session_reused(ssl) || config->expect_ticket_renewal);
-    if (expect_new_session != GetTestState(ssl)->got_new_session) {
-      fprintf(stderr,
-              "new session was%s established, but we expected the opposite\n",
-              GetTestState(ssl)->got_new_session ? "" : " not");
-      return false;
-    }
-  }
-
-  if (config->is_server && !GetTestState(ssl)->early_callback_called) {
-    fprintf(stderr, "early callback not called\n");
-    return false;
-  }
-
-  if (!config->expected_server_name.empty()) {
-    const char *server_name =
-        SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name);
-    if (server_name != config->expected_server_name) {
-      fprintf(stderr, "servername mismatch (got %s; want %s)\n",
-              server_name, config->expected_server_name.c_str());
-      return false;
-    }
-  }
-
-  if (!config->expected_certificate_types.empty()) {
-    const uint8_t *certificate_types;
-    size_t certificate_types_len =
-        SSL_get0_certificate_types(ssl, &certificate_types);
-    if (certificate_types_len != config->expected_certificate_types.size() ||
-        memcmp(certificate_types,
-               config->expected_certificate_types.data(),
-               certificate_types_len) != 0) {
-      fprintf(stderr, "certificate types mismatch\n");
-      return false;
-    }
-  }
-
-  if (!config->expected_next_proto.empty()) {
-    const uint8_t *next_proto;
-    unsigned next_proto_len;
-    SSL_get0_next_proto_negotiated(ssl, &next_proto, &next_proto_len);
-    if (next_proto_len != config->expected_next_proto.size() ||
-        memcmp(next_proto, config->expected_next_proto.data(),
-               next_proto_len) != 0) {
-      fprintf(stderr, "negotiated next proto mismatch\n");
-      return false;
-    }
-  }
-
-  if (!config->expected_alpn.empty()) {
-    const uint8_t *alpn_proto;
-    unsigned alpn_proto_len;
-    SSL_get0_alpn_selected(ssl, &alpn_proto, &alpn_proto_len);
-    if (alpn_proto_len != config->expected_alpn.size() ||
-        memcmp(alpn_proto, config->expected_alpn.data(),
-               alpn_proto_len) != 0) {
-      fprintf(stderr, "negotiated alpn proto mismatch\n");
-      return false;
-    }
-  }
-
-  if (!config->expected_channel_id.empty()) {
-    uint8_t channel_id[64];
-    if (!SSL_get_tls_channel_id(ssl, channel_id, sizeof(channel_id))) {
-      fprintf(stderr, "no channel id negotiated\n");
-      return false;
-    }
-    if (config->expected_channel_id.size() != 64 ||
-        memcmp(config->expected_channel_id.data(),
-               channel_id, 64) != 0) {
-      fprintf(stderr, "channel id mismatch\n");
-      return false;
-    }
-  }
-
-  if (config->expect_extended_master_secret) {
-    if (!ssl->session->extended_master_secret) {
-      fprintf(stderr, "No EMS for session when expected");
-      return false;
-    }
-  }
-
-  if (!config->expected_ocsp_response.empty()) {
-    const uint8_t *data;
-    size_t len;
-    SSL_get0_ocsp_response(ssl, &data, &len);
-    if (config->expected_ocsp_response.size() != len ||
-        memcmp(config->expected_ocsp_response.data(), data, len) != 0) {
-      fprintf(stderr, "OCSP response mismatch\n");
-      return false;
-    }
-  }
-
-  if (!config->expected_signed_cert_timestamps.empty()) {
-    const uint8_t *data;
-    size_t len;
-    SSL_get0_signed_cert_timestamp_list(ssl, &data, &len);
-    if (config->expected_signed_cert_timestamps.size() != len ||
-        memcmp(config->expected_signed_cert_timestamps.data(),
-               data, len) != 0) {
-      fprintf(stderr, "SCT list mismatch\n");
-      return false;
-    }
-  }
-
-  if (config->expect_verify_result) {
-    int expected_verify_result = config->verify_fail ?
-      X509_V_ERR_APPLICATION_VERIFICATION :
-      X509_V_OK;
-
-    if (SSL_get_verify_result(ssl) != expected_verify_result) {
-      fprintf(stderr, "Wrong certificate verification result\n");
-      return false;
-    }
-  }
-
-  if (!config->is_server) {
-    /* Clients should expect a peer certificate chain iff this was not a PSK
-     * cipher suite. */
-    if (config->psk.empty()) {
-      if (SSL_get_peer_cert_chain(ssl) == nullptr) {
-        fprintf(stderr, "Missing peer certificate chain!\n");
-        return false;
-      }
-    } else if (SSL_get_peer_cert_chain(ssl) != nullptr) {
-      fprintf(stderr, "Unexpected peer certificate chain!\n");
-      return false;
-    }
-  }
-  return true;
-}
-
-// DoExchange runs a test SSL exchange against the peer. On success, it returns
-// true and sets |*out_session| to the negotiated SSL session. If the test is a
-// resumption attempt, |is_resume| is true and |session| is the session from the
-// previous exchange.
-static bool DoExchange(ScopedSSL_SESSION *out_session, SSL_CTX *ssl_ctx,
-                       const TestConfig *config, bool is_resume,
-                       SSL_SESSION *session) {
-  ScopedSSL ssl(SSL_new(ssl_ctx));
-  if (!ssl) {
-    return false;
-  }
-
-  if (!SetConfigPtr(ssl.get(), config) ||
-      !SetTestState(ssl.get(), std::unique_ptr<TestState>(new TestState))) {
-    return false;
-  }
-
-  if (config->fallback_scsv &&
-      !SSL_set_mode(ssl.get(), SSL_MODE_SEND_FALLBACK_SCSV)) {
-    return false;
-  }
-  if (!config->use_early_callback) {
-    if (config->async) {
-      // TODO(davidben): Also test |s->ctx->client_cert_cb| on the client.
-      SSL_set_cert_cb(ssl.get(), CertCallback, NULL);
-    } else if (!InstallCertificate(ssl.get())) {
-      return false;
-    }
-  }
-  if (config->require_any_client_certificate) {
-    SSL_set_verify(ssl.get(), SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
-                   NULL);
-  }
-  if (config->verify_peer) {
-    SSL_set_verify(ssl.get(), SSL_VERIFY_PEER, NULL);
-  }
-  if (config->false_start) {
-    SSL_set_mode(ssl.get(), SSL_MODE_ENABLE_FALSE_START);
-  }
-  if (config->cbc_record_splitting) {
-    SSL_set_mode(ssl.get(), SSL_MODE_CBC_RECORD_SPLITTING);
-  }
-  if (config->partial_write) {
-    SSL_set_mode(ssl.get(), SSL_MODE_ENABLE_PARTIAL_WRITE);
-  }
-  if (config->no_tls12) {
-    SSL_set_options(ssl.get(), SSL_OP_NO_TLSv1_2);
-  }
-  if (config->no_tls11) {
-    SSL_set_options(ssl.get(), SSL_OP_NO_TLSv1_1);
-  }
-  if (config->no_tls1) {
-    SSL_set_options(ssl.get(), SSL_OP_NO_TLSv1);
-  }
-  if (config->no_ssl3) {
-    SSL_set_options(ssl.get(), SSL_OP_NO_SSLv3);
-  }
-  if (config->tls_d5_bug) {
-    SSL_set_options(ssl.get(), SSL_OP_TLS_D5_BUG);
-  }
-  if (config->microsoft_big_sslv3_buffer) {
-    SSL_set_options(ssl.get(), SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER);
-  }
-  if (config->no_legacy_server_connect) {
-    SSL_clear_options(ssl.get(), SSL_OP_LEGACY_SERVER_CONNECT);
-  }
-  if (!config->expected_channel_id.empty()) {
-    SSL_enable_tls_channel_id(ssl.get());
-  }
-  if (!config->send_channel_id.empty()) {
-    SSL_enable_tls_channel_id(ssl.get());
-    if (!config->async) {
-      // The async case will be supplied by |ChannelIdCallback|.
-      ScopedEVP_PKEY pkey = LoadPrivateKey(config->send_channel_id);
-      if (!pkey || !SSL_set1_tls_channel_id(ssl.get(), pkey.get())) {
-        return false;
-      }
-    }
-  }
-  if (!config->host_name.empty() &&
-      !SSL_set_tlsext_host_name(ssl.get(), config->host_name.c_str())) {
-    return false;
-  }
-  if (!config->advertise_alpn.empty() &&
-      SSL_set_alpn_protos(ssl.get(),
-                          (const uint8_t *)config->advertise_alpn.data(),
-                          config->advertise_alpn.size()) != 0) {
-    return false;
-  }
-  if (!config->psk.empty()) {
-    SSL_set_psk_client_callback(ssl.get(), PskClientCallback);
-    SSL_set_psk_server_callback(ssl.get(), PskServerCallback);
-  }
-  if (!config->psk_identity.empty() &&
-      !SSL_use_psk_identity_hint(ssl.get(), config->psk_identity.c_str())) {
-    return false;
-  }
-  if (!config->srtp_profiles.empty() &&
-      !SSL_set_srtp_profiles(ssl.get(), config->srtp_profiles.c_str())) {
-    return false;
-  }
-  if (config->enable_ocsp_stapling &&
-      !SSL_enable_ocsp_stapling(ssl.get())) {
-    return false;
-  }
-  if (config->enable_signed_cert_timestamps &&
-      !SSL_enable_signed_cert_timestamps(ssl.get())) {
-    return false;
-  }
-  if (config->min_version != 0) {
-    SSL_set_min_version(ssl.get(), (uint16_t)config->min_version);
-  }
-  if (config->max_version != 0) {
-    SSL_set_max_version(ssl.get(), (uint16_t)config->max_version);
-  }
-  if (config->mtu != 0) {
-    SSL_set_options(ssl.get(), SSL_OP_NO_QUERY_MTU);
-    SSL_set_mtu(ssl.get(), config->mtu);
-  }
-  if (config->install_ddos_callback) {
-    SSL_CTX_set_dos_protection_cb(ssl_ctx, DDoSCallback);
-  }
-  if (!config->reject_peer_renegotiations) {
-    /* Renegotiations are disabled by default. */
-    SSL_set_reject_peer_renegotiations(ssl.get(), 0);
-  }
-  if (!config->check_close_notify) {
-    SSL_set_quiet_shutdown(ssl.get(), 1);
-  }
-
-  int sock = Connect(config->port);
-  if (sock == -1) {
-    return false;
-  }
-  SocketCloser closer(sock);
-
-  ScopedBIO bio(BIO_new_socket(sock, BIO_NOCLOSE));
-  if (!bio) {
-    return false;
-  }
-  if (config->is_dtls) {
-    ScopedBIO packeted =
-        PacketedBioCreate(&GetTestState(ssl.get())->clock_delta);
-    BIO_push(packeted.get(), bio.release());
-    bio = std::move(packeted);
-  }
-  if (config->async) {
-    ScopedBIO async_scoped =
-        config->is_dtls ? AsyncBioCreateDatagram() : AsyncBioCreate();
-    BIO_push(async_scoped.get(), bio.release());
-    GetTestState(ssl.get())->async_bio = async_scoped.get();
-    bio = std::move(async_scoped);
-  }
-  SSL_set_bio(ssl.get(), bio.get(), bio.get());
-  bio.release();  // SSL_set_bio takes ownership.
-
-  if (session != NULL) {
-    if (!config->is_server) {
-      if (SSL_set_session(ssl.get(), session) != 1) {
-        return false;
-      }
-    } else if (config->async) {
-      // The internal session cache is disabled, so install the session
-      // manually.
-      GetTestState(ssl.get())->pending_session.reset(
-          SSL_SESSION_up_ref(session));
-    }
-  }
-
-  if (SSL_get_current_cipher(ssl.get()) != nullptr) {
-    fprintf(stderr, "non-null cipher before handshake\n");
-    return false;
-  }
-
-  int ret;
-  if (config->implicit_handshake) {
-    if (config->is_server) {
-      SSL_set_accept_state(ssl.get());
-    } else {
-      SSL_set_connect_state(ssl.get());
-    }
-  } else {
-    do {
-      if (config->is_server) {
-        ret = SSL_accept(ssl.get());
-      } else {
-        ret = SSL_connect(ssl.get());
-      }
-    } while (config->async && RetryAsync(ssl.get(), ret));
-    if (ret != 1 ||
-        !CheckHandshakeProperties(ssl.get(), is_resume)) {
-      return false;
-    }
-
-    // Reset the state to assert later that the callback isn't called in
-    // renegotations.
-    GetTestState(ssl.get())->got_new_session = false;
-  }
-
-  if (config->export_keying_material > 0) {
-    std::vector<uint8_t> result(
-        static_cast<size_t>(config->export_keying_material));
-    if (!SSL_export_keying_material(
-            ssl.get(), result.data(), result.size(),
-            config->export_label.data(), config->export_label.size(),
-            reinterpret_cast<const uint8_t*>(config->export_context.data()),
-            config->export_context.size(), config->use_export_context)) {
-      fprintf(stderr, "failed to export keying material\n");
-      return false;
-    }
-    if (WriteAll(ssl.get(), result.data(), result.size()) < 0) {
-      return false;
-    }
-  }
-
-  if (config->tls_unique) {
-    uint8_t tls_unique[16];
-    size_t tls_unique_len;
-    if (!SSL_get_tls_unique(ssl.get(), tls_unique, &tls_unique_len,
-                            sizeof(tls_unique))) {
-      fprintf(stderr, "failed to get tls-unique\n");
-      return false;
-    }
-
-    if (tls_unique_len != 12) {
-      fprintf(stderr, "expected 12 bytes of tls-unique but got %u",
-              static_cast<unsigned>(tls_unique_len));
-      return false;
-    }
-
-    if (WriteAll(ssl.get(), tls_unique, tls_unique_len) < 0) {
-      return false;
-    }
-  }
-
-  if (config->write_different_record_sizes) {
-    if (config->is_dtls) {
-      fprintf(stderr, "write_different_record_sizes not supported for DTLS\n");
-      return false;
-    }
-    // This mode writes a number of different record sizes in an attempt to
-    // trip up the CBC record splitting code.
-    static const size_t kBufLen = 32769;
-    std::unique_ptr<uint8_t[]> buf(new uint8_t[kBufLen]);
-    memset(buf.get(), 0x42, kBufLen);
-    static const size_t kRecordSizes[] = {
-        0, 1, 255, 256, 257, 16383, 16384, 16385, 32767, 32768, 32769};
-    for (size_t i = 0; i < sizeof(kRecordSizes) / sizeof(kRecordSizes[0]);
-         i++) {
-      const size_t len = kRecordSizes[i];
-      if (len > kBufLen) {
-        fprintf(stderr, "Bad kRecordSizes value.\n");
-        return false;
-      }
-      if (WriteAll(ssl.get(), buf.get(), len) < 0) {
-        return false;
-      }
-    }
-  } else {
-    if (config->shim_writes_first) {
-      if (WriteAll(ssl.get(), reinterpret_cast<const uint8_t *>("hello"),
-                   5) < 0) {
-        return false;
-      }
-    }
-    if (!config->shim_shuts_down) {
-      for (;;) {
-        static const size_t kBufLen = 16384;
-        std::unique_ptr<uint8_t[]> buf(new uint8_t[kBufLen]);
-
-        // Read only 512 bytes at a time in TLS to ensure records may be
-        // returned in multiple reads.
-        int n = DoRead(ssl.get(), buf.get(), config->is_dtls ? kBufLen : 512);
-        int err = SSL_get_error(ssl.get(), n);
-        if (err == SSL_ERROR_ZERO_RETURN ||
-            (n == 0 && err == SSL_ERROR_SYSCALL)) {
-          if (n != 0) {
-            fprintf(stderr, "Invalid SSL_get_error output\n");
-            return false;
-          }
-          // Stop on either clean or unclean shutdown.
-          break;
-        } else if (err != SSL_ERROR_NONE) {
-          if (n > 0) {
-            fprintf(stderr, "Invalid SSL_get_error output\n");
-            return false;
-          }
-          return false;
-        }
-        // Successfully read data.
-        if (n <= 0) {
-          fprintf(stderr, "Invalid SSL_get_error output\n");
-          return false;
-        }
-
-        // After a successful read, with or without False Start, the handshake
-        // must be complete.
-        if (!GetTestState(ssl.get())->handshake_done) {
-          fprintf(stderr, "handshake was not completed after SSL_read\n");
-          return false;
-        }
-
-        for (int i = 0; i < n; i++) {
-          buf[i] ^= 0xff;
-        }
-        if (WriteAll(ssl.get(), buf.get(), n) < 0) {
-          return false;
-        }
-      }
-    }
-  }
-
-  if (!config->is_server && !config->false_start &&
-      !config->implicit_handshake &&
-      GetTestState(ssl.get())->got_new_session) {
-    fprintf(stderr, "new session was established after the handshake\n");
-    return false;
-  }
-
-  if (out_session) {
-    out_session->reset(SSL_get1_session(ssl.get()));
-  }
-
-  ret = DoShutdown(ssl.get());
-
-  if (config->shim_shuts_down && config->check_close_notify) {
-    // We initiate shutdown, so |SSL_shutdown| will return in two stages. First
-    // it returns zero when our close_notify is sent, then one when the peer's
-    // is received.
-    if (ret != 0) {
-      fprintf(stderr, "Unexpected SSL_shutdown result: %d != 0\n", ret);
-      return false;
-    }
-    ret = DoShutdown(ssl.get());
-  }
-
-  if (ret != 1) {
-    fprintf(stderr, "Unexpected SSL_shutdown result: %d != 1\n", ret);
-    return false;
-  }
-
-  return true;
-}
-
-int main(int argc, char **argv) {
-#if defined(OPENSSL_WINDOWS)
-  /* Initialize Winsock. */
-  WORD wsa_version = MAKEWORD(2, 2);
-  WSADATA wsa_data;
-  int wsa_err = WSAStartup(wsa_version, &wsa_data);
-  if (wsa_err != 0) {
-    fprintf(stderr, "WSAStartup failed: %d\n", wsa_err);
-    return 1;
-  }
-  if (wsa_data.wVersion != wsa_version) {
-    fprintf(stderr, "Didn't get expected version: %x\n", wsa_data.wVersion);
-    return 1;
-  }
-#else
-  signal(SIGPIPE, SIG_IGN);
-#endif
-
-  if (!SSL_library_init()) {
-    return 1;
-  }
-  g_config_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL);
-  g_state_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, TestStateExFree);
-  if (g_config_index < 0 || g_state_index < 0) {
-    return 1;
-  }
-
-  TestConfig config;
-  if (!ParseConfig(argc - 1, argv + 1, &config)) {
-    return Usage(argv[0]);
-  }
-
-  ScopedSSL_CTX ssl_ctx = SetupCtx(&config);
-  if (!ssl_ctx) {
-    ERR_print_errors_fp(stderr);
-    return 1;
-  }
-
-  ScopedSSL_SESSION session;
-  if (!DoExchange(&session, ssl_ctx.get(), &config, false /* is_resume */,
-                  NULL /* session */)) {
-    ERR_print_errors_fp(stderr);
-    return 1;
-  }
-
-  if (config.resume &&
-      !DoExchange(NULL, ssl_ctx.get(), &config, true /* is_resume */,
-                  session.get())) {
-    ERR_print_errors_fp(stderr);
-    return 1;
-  }
-
-  return 0;
-}