text: /* Copyright (c) 2016, 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 <stdio.h>
  
  #include <openssl/mem.h>
  #include <openssl/ssl.h>
  
  struct GlobalState {
    GlobalState() : ctx(SSL_CTX_new(TLS_method())) {}
  
    bssl::UniquePtr<SSL_CTX> ctx;
  };
  
  static GlobalState g_state;
  
  extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
    // Parse in our session.
    bssl::UniquePtr<SSL_SESSION> session(
        SSL_SESSION_from_bytes(buf, len, g_state.ctx.get()));
  
    // If the format was invalid, just return.
    if (!session) {
      return 0;
    }
  
    // Stress the encoder.
    size_t encoded_len;
    uint8_t *encoded;
    if (!SSL_SESSION_to_bytes(session.get(), &encoded, &encoded_len)) {
      fprintf(stderr, "SSL_SESSION_to_bytes failed.\n");
      return 1;
    }
  
    OPENSSL_free(encoded);
    return 0;
  }
  