diff options
Diffstat (limited to 'chromium/net/third_party/quiche/src/quic/core/crypto/crypto_handshake_message.h')
| -rw-r--r-- | chromium/net/third_party/quiche/src/quic/core/crypto/crypto_handshake_message.h | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/chromium/net/third_party/quiche/src/quic/core/crypto/crypto_handshake_message.h b/chromium/net/third_party/quiche/src/quic/core/crypto/crypto_handshake_message.h deleted file mode 100644 index 9550c153e49..00000000000 --- a/chromium/net/third_party/quiche/src/quic/core/crypto/crypto_handshake_message.h +++ /dev/null @@ -1,160 +0,0 @@ -// Copyright (c) 2013 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#ifndef QUICHE_QUIC_CORE_CRYPTO_CRYPTO_HANDSHAKE_MESSAGE_H_ -#define QUICHE_QUIC_CORE_CRYPTO_CRYPTO_HANDSHAKE_MESSAGE_H_ - -#include <cstddef> -#include <cstdint> -#include <memory> -#include <string> -#include <vector> - -#include "absl/strings/string_view.h" -#include "quic/core/quic_packets.h" -#include "quic/core/quic_types.h" -#include "quic/platform/api/quic_export.h" - -namespace quic { - -// An intermediate format of a handshake message that's convenient for a -// CryptoFramer to serialize from or parse into. -class QUIC_EXPORT_PRIVATE CryptoHandshakeMessage { - public: - CryptoHandshakeMessage(); - CryptoHandshakeMessage(const CryptoHandshakeMessage& other); - CryptoHandshakeMessage(CryptoHandshakeMessage&& other); - ~CryptoHandshakeMessage(); - - CryptoHandshakeMessage& operator=(const CryptoHandshakeMessage& other); - CryptoHandshakeMessage& operator=(CryptoHandshakeMessage&& other); - - bool operator==(const CryptoHandshakeMessage& rhs) const; - bool operator!=(const CryptoHandshakeMessage& rhs) const; - - // Clears state. - void Clear(); - - // GetSerialized returns the serialized form of this message and caches the - // result. Subsequently altering the message does not invalidate the cache. - const QuicData& GetSerialized() const; - - // MarkDirty invalidates the cache created by |GetSerialized|. - void MarkDirty(); - - // SetValue sets an element with the given tag to the raw, memory contents of - // |v|. - template <class T> - void SetValue(QuicTag tag, const T& v) { - tag_value_map_[tag] = - std::string(reinterpret_cast<const char*>(&v), sizeof(v)); - } - - // SetVector sets an element with the given tag to the raw contents of an - // array of elements in |v|. - template <class T> - void SetVector(QuicTag tag, const std::vector<T>& v) { - if (v.empty()) { - tag_value_map_[tag] = std::string(); - } else { - tag_value_map_[tag] = std::string(reinterpret_cast<const char*>(&v[0]), - v.size() * sizeof(T)); - } - } - - // Sets an element with the given tag to the on-the-wire representation of - // |version|. - void SetVersion(QuicTag tag, ParsedQuicVersion version); - - // Sets an element with the given tag to the on-the-wire representation of - // the elements in |versions|. - void SetVersionVector(QuicTag tag, ParsedQuicVersionVector versions); - - // Returns the message tag. - QuicTag tag() const { return tag_; } - // Sets the message tag. - void set_tag(QuicTag tag) { tag_ = tag; } - - const QuicTagValueMap& tag_value_map() const { return tag_value_map_; } - - void SetStringPiece(QuicTag tag, absl::string_view value); - - // Erase removes a tag/value, if present, from the message. - void Erase(QuicTag tag); - - // GetTaglist finds an element with the given tag containing zero or more - // tags. If such a tag doesn't exist, it returns an error code. Otherwise it - // populates |out_tags| with the tags and returns QUIC_NO_ERROR. - QuicErrorCode GetTaglist(QuicTag tag, QuicTagVector* out_tags) const; - - // GetVersionLabelList finds an element with the given tag containing zero or - // more version labels. If such a tag doesn't exist, it returns an error code. - // Otherwise it populates |out| with the labels and returns QUIC_NO_ERROR. - QuicErrorCode GetVersionLabelList(QuicTag tag, - QuicVersionLabelVector* out) const; - - // GetVersionLabel finds an element with the given tag containing a single - // version label. If such a tag doesn't exist, it returns an error code. - // Otherwise it populates |out| with the label and returns QUIC_NO_ERROR. - QuicErrorCode GetVersionLabel(QuicTag tag, QuicVersionLabel* out) const; - - bool GetStringPiece(QuicTag tag, absl::string_view* out) const; - bool HasStringPiece(QuicTag tag) const; - - // GetNthValue24 interprets the value with the given tag to be a series of - // 24-bit, length prefixed values and it returns the subvalue with the given - // index. - QuicErrorCode GetNthValue24(QuicTag tag, - unsigned index, - absl::string_view* out) const; - QuicErrorCode GetUint32(QuicTag tag, uint32_t* out) const; - QuicErrorCode GetUint64(QuicTag tag, uint64_t* out) const; - - QuicErrorCode GetStatelessResetToken(QuicTag tag, - StatelessResetToken* out) const; - - // size returns 4 (message tag) + 2 (uint16_t, number of entries) + - // (4 (tag) + 4 (end offset))*tag_value_map_.size() + ∑ value sizes. - size_t size() const; - - // set_minimum_size sets the minimum number of bytes that the message should - // consume. The CryptoFramer will add a PAD tag as needed when serializing in - // order to ensure this. Setting a value of 0 disables padding. - // - // Padding is useful in order to ensure that messages are a minimum size. A - // QUIC server can require a minimum size in order to reduce the - // amplification factor of any mirror DoS attack. - void set_minimum_size(size_t min_bytes); - - size_t minimum_size() const; - - // DebugString returns a multi-line, string representation of the message - // suitable for including in debug output. - std::string DebugString() const; - - private: - // GetPOD is a utility function for extracting a plain-old-data value. If - // |tag| exists in the message, and has a value of exactly |len| bytes then - // it copies |len| bytes of data into |out|. Otherwise |len| bytes at |out| - // are zeroed out. - // - // If used to copy integers then this assumes that the machine is - // little-endian. - QuicErrorCode GetPOD(QuicTag tag, void* out, size_t len) const; - - std::string DebugStringInternal(size_t indent) const; - - QuicTag tag_; - QuicTagValueMap tag_value_map_; - - size_t minimum_size_; - - // The serialized form of the handshake message. This member is constructed - // lazily. - mutable std::unique_ptr<QuicData> serialized_; -}; - -} // namespace quic - -#endif // QUICHE_QUIC_CORE_CRYPTO_CRYPTO_HANDSHAKE_MESSAGE_H_ |