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3.0.1
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Simple HTTP client with HTTP/1.1, HTTP/2, and HTTP/3 support

Security advisory: This version has known vulnerabilities. View advisories
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hackney c_src boringssl ssl s3_lib.cc
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c_src/boringssl/ssl/s3_lib.cc 

// Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.

// Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.

// Copyright 2005 Nokia. All rights reserved.

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//     https://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.



#include <openssl/ssl.h>



#include <assert.h>

#include <string.h>



#include <openssl/digest.h>

#include <openssl/err.h>

#include <openssl/md5.h>

#include <openssl/mem.h>

#include <openssl/nid.h>



#include "../crypto/internal.h"

#include "internal.h"





BSSL_NAMESPACE_BEGIN



SSL3_STATE::SSL3_STATE()

    : skip_early_data(false),

      v2_hello_done(false),

      is_v2_hello(false),

      has_message(false),

      initial_handshake_complete(false),

      session_reused(false),

      send_connection_binding(false),

      channel_id_valid(false),

      key_update_pending(false),

      early_data_accepted(false),

      alert_dispatch(false),

      renegotiate_pending(false),

      used_hello_retry_request(false),

      was_key_usage_invalid(false) {}



SSL3_STATE::~SSL3_STATE() {}



bool tls_new(SSL *ssl) {

  UniquePtr<SSL3_STATE> s3 = MakeUnique<SSL3_STATE>();

  if (!s3) {

    return false;

  }



  // TODO(crbug.com/368805255): Fields that aren't used in DTLS should not be

  // allocated at all.

  // TODO(crbug.com/371998381): Don't create these in QUIC either, once the

  // placeholder QUIC ones for subsequent epochs are removed.

  if (!SSL_is_dtls(ssl)) {

    s3->aead_read_ctx = SSLAEADContext::CreateNullCipher();

    s3->aead_write_ctx = SSLAEADContext::CreateNullCipher();

    if (!s3->aead_read_ctx || !s3->aead_write_ctx) {

      return false;

    }

  }



  s3->hs = ssl_handshake_new(ssl);

  if (!s3->hs) {

    return false;

  }



  ssl->s3 = s3.release();

  return true;

}



void tls_free(SSL *ssl) {

  if (ssl->s3 == nullptr) {

    return;

  }



  Delete(ssl->s3);

  ssl->s3 = nullptr;

}



BSSL_NAMESPACE_END