#ifndef NET_QUIC_CRYPTO_CRYPTO_HANDSHAKE_H_
#define NET_QUIC_CRYPTO_CRYPTO_HANDSHAKE_H_
-#include <map>
#include <string>
#include <vector>
#include "base/memory/scoped_ptr.h"
-#include "base/strings/string_piece.h"
#include "net/base/net_export.h"
-#include "net/cert/cert_verify_result.h"
-#include "net/cert/x509_certificate.h"
-#include "net/quic/crypto/crypto_protocol.h"
-#include "net/quic/crypto/proof_verifier.h"
#include "net/quic/quic_protocol.h"
namespace net {
-class ChannelIDSigner;
class CommonCertSets;
class KeyExchange;
-class ProofVerifier;
class QuicDecrypter;
class QuicEncrypter;
-class QuicRandom;
-
-// An intermediate format of a handshake message that's convenient for a
-// CryptoFramer to serialize from or parse into.
-class NET_EXPORT_PRIVATE CryptoHandshakeMessage {
- public:
- CryptoHandshakeMessage();
- CryptoHandshakeMessage(const CryptoHandshakeMessage& other);
- ~CryptoHandshakeMessage();
-
- CryptoHandshakeMessage& operator=(const CryptoHandshakeMessage& other);
-
- // 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));
- }
- }
-
- // 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_; }
-
- // SetTaglist sets an element with the given tag to contain a list of tags,
- // passed as varargs. The argument list must be terminated with a 0 element.
- void SetTaglist(QuicTag tag, ...);
-
- void SetStringPiece(QuicTag tag, base::StringPiece 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 false. Otherwise it sets
- // |out_tags| and |out_len| to point to the array of tags and returns true.
- // The array points into the CryptoHandshakeMessage and is valid only for as
- // long as the CryptoHandshakeMessage exists and is not modified.
- QuicErrorCode GetTaglist(QuicTag tag, const QuicTag** out_tags,
- size_t* out_len) const;
-
- bool GetStringPiece(QuicTag tag, base::StringPiece* out) 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,
- base::StringPiece* out) const;
- QuicErrorCode GetUint16(QuicTag tag, uint16* out) const;
- QuicErrorCode GetUint32(QuicTag tag, uint32* out) const;
- QuicErrorCode GetUint64(QuicTag tag, uint64* out) const;
-
- // size returns 4 (message tag) + 2 (uint16, 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
- // lasily.
- mutable scoped_ptr<QuicData> serialized_;
-};
// A CrypterPair contains the encrypter and decrypter for an encryption level.
struct NET_EXPORT_PRIVATE CrypterPair {
// bytes of x coordinate, followed by 32 bytes of y coordinate. Both values
// are big-endian and the pair is a P-256 public key.
std::string channel_id;
- // client_address is set by clients to the kCADR value provided by the server
- // in ServerHello. It is a serialized form of an IP address and port.
- std::string client_address;
};
// QuicCryptoConfig contains common configuration between clients and servers.
projects / platform / framework / web / crosswalk.git / blobdiff