Index: net/quic/quic_utils.cc |
diff --git a/net/quic/quic_utils.cc b/net/quic/quic_utils.cc |
deleted file mode 100644 |
index 17e74618708dafcbd6b97ee81bcca731cf1e0d0c..0000000000000000000000000000000000000000 |
--- a/net/quic/quic_utils.cc |
+++ /dev/null |
@@ -1,359 +0,0 @@ |
-// Copyright (c) 2012 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. |
- |
-#include "net/quic/quic_utils.h" |
- |
-#include <ctype.h> |
- |
-#include <algorithm> |
-#include <vector> |
- |
-#include "base/basictypes.h" |
-#include "base/containers/adapters.h" |
-#include "base/logging.h" |
-#include "base/port.h" |
-#include "base/strings/stringprintf.h" |
-#include "base/strings/string_number_conversions.h" |
-#include "base/strings/string_split.h" |
-#include "net/quic/quic_write_blocked_list.h" |
- |
-using base::StringPiece; |
-using std::string; |
- |
-namespace net { |
- |
-// static |
-uint64 QuicUtils::FNV1a_64_Hash(const char* data, int len) { |
- static const uint64 kOffset = GG_UINT64_C(14695981039346656037); |
- static const uint64 kPrime = GG_UINT64_C(1099511628211); |
- |
- const uint8* octets = reinterpret_cast<const uint8*>(data); |
- |
- uint64 hash = kOffset; |
- |
- for (int i = 0; i < len; ++i) { |
- hash = hash ^ octets[i]; |
- hash = hash * kPrime; |
- } |
- |
- return hash; |
-} |
- |
-// static |
-uint128 QuicUtils::FNV1a_128_Hash(const char* data, int len) { |
- return FNV1a_128_Hash_Two(data, len, nullptr, 0); |
-} |
- |
-// static |
-uint128 QuicUtils::FNV1a_128_Hash_Two(const char* data1, |
- int len1, |
- const char* data2, |
- int len2) { |
- // The two constants are defined as part of the hash algorithm. |
- // see http://www.isthe.com/chongo/tech/comp/fnv/ |
- // 144066263297769815596495629667062367629 |
- const uint128 kOffset(GG_UINT64_C(7809847782465536322), |
- GG_UINT64_C(7113472399480571277)); |
- |
- uint128 hash = IncrementalHash(kOffset, data1, len1); |
- if (data2 == nullptr) { |
- return hash; |
- } |
- return IncrementalHash(hash, data2, len2); |
-} |
- |
-// static |
-uint128 QuicUtils::IncrementalHash(uint128 hash, const char* data, size_t len) { |
- // 309485009821345068724781371 |
- const uint128 kPrime(16777216, 315); |
- const uint8* octets = reinterpret_cast<const uint8*>(data); |
- for (size_t i = 0; i < len; ++i) { |
- hash = hash ^ uint128(0, octets[i]); |
- hash = hash * kPrime; |
- } |
- return hash; |
-} |
- |
-// static |
-bool QuicUtils::FindMutualTag(const QuicTagVector& our_tags_vector, |
- const QuicTag* their_tags, |
- size_t num_their_tags, |
- Priority priority, |
- QuicTag* out_result, |
- size_t* out_index) { |
- if (our_tags_vector.empty()) { |
- return false; |
- } |
- const size_t num_our_tags = our_tags_vector.size(); |
- const QuicTag* our_tags = &our_tags_vector[0]; |
- |
- size_t num_priority_tags, num_inferior_tags; |
- const QuicTag* priority_tags; |
- const QuicTag* inferior_tags; |
- if (priority == LOCAL_PRIORITY) { |
- num_priority_tags = num_our_tags; |
- priority_tags = our_tags; |
- num_inferior_tags = num_their_tags; |
- inferior_tags = their_tags; |
- } else { |
- num_priority_tags = num_their_tags; |
- priority_tags = their_tags; |
- num_inferior_tags = num_our_tags; |
- inferior_tags = our_tags; |
- } |
- |
- for (size_t i = 0; i < num_priority_tags; i++) { |
- for (size_t j = 0; j < num_inferior_tags; j++) { |
- if (priority_tags[i] == inferior_tags[j]) { |
- *out_result = priority_tags[i]; |
- if (out_index) { |
- if (priority == LOCAL_PRIORITY) { |
- *out_index = j; |
- } else { |
- *out_index = i; |
- } |
- } |
- return true; |
- } |
- } |
- } |
- |
- return false; |
-} |
- |
-// static |
-void QuicUtils::SerializeUint128(uint128 v, uint8* out) { |
- const uint64 lo = Uint128Low64(v); |
- const uint64 hi = Uint128High64(v); |
- // This assumes that the system is little-endian. |
- memcpy(out, &lo, sizeof(lo)); |
- memcpy(out + sizeof(lo), &hi, sizeof(hi)); |
-} |
- |
-// static |
-void QuicUtils::SerializeUint128Short(uint128 v, uint8* out) { |
- const uint64 lo = Uint128Low64(v); |
- const uint64 hi = Uint128High64(v); |
- // This assumes that the system is little-endian. |
- memcpy(out, &lo, sizeof(lo)); |
- memcpy(out + sizeof(lo), &hi, sizeof(hi) / 2); |
-} |
- |
-#define RETURN_STRING_LITERAL(x) \ |
-case x: \ |
-return #x; |
- |
-// static |
-const char* QuicUtils::StreamErrorToString(QuicRstStreamErrorCode error) { |
- switch (error) { |
- RETURN_STRING_LITERAL(QUIC_STREAM_NO_ERROR); |
- RETURN_STRING_LITERAL(QUIC_STREAM_CONNECTION_ERROR); |
- RETURN_STRING_LITERAL(QUIC_ERROR_PROCESSING_STREAM); |
- RETURN_STRING_LITERAL(QUIC_MULTIPLE_TERMINATION_OFFSETS); |
- RETURN_STRING_LITERAL(QUIC_BAD_APPLICATION_PAYLOAD); |
- RETURN_STRING_LITERAL(QUIC_STREAM_PEER_GOING_AWAY); |
- RETURN_STRING_LITERAL(QUIC_STREAM_CANCELLED); |
- RETURN_STRING_LITERAL(QUIC_RST_ACKNOWLEDGEMENT); |
- RETURN_STRING_LITERAL(QUIC_STREAM_LAST_ERROR); |
- } |
- // Return a default value so that we return this when |error| doesn't match |
- // any of the QuicRstStreamErrorCodes. This can happen when the RstStream |
- // frame sent by the peer (attacker) has invalid error code. |
- return "INVALID_RST_STREAM_ERROR_CODE"; |
-} |
- |
-// static |
-const char* QuicUtils::ErrorToString(QuicErrorCode error) { |
- switch (error) { |
- RETURN_STRING_LITERAL(QUIC_NO_ERROR); |
- RETURN_STRING_LITERAL(QUIC_INTERNAL_ERROR); |
- RETURN_STRING_LITERAL(QUIC_STREAM_DATA_AFTER_TERMINATION); |
- RETURN_STRING_LITERAL(QUIC_INVALID_PACKET_HEADER); |
- RETURN_STRING_LITERAL(QUIC_INVALID_FRAME_DATA); |
- RETURN_STRING_LITERAL(QUIC_MISSING_PAYLOAD); |
- RETURN_STRING_LITERAL(QUIC_INVALID_FEC_DATA); |
- RETURN_STRING_LITERAL(QUIC_INVALID_STREAM_DATA); |
- RETURN_STRING_LITERAL(QUIC_UNENCRYPTED_STREAM_DATA); |
- RETURN_STRING_LITERAL(QUIC_INVALID_RST_STREAM_DATA); |
- RETURN_STRING_LITERAL(QUIC_INVALID_CONNECTION_CLOSE_DATA); |
- RETURN_STRING_LITERAL(QUIC_INVALID_GOAWAY_DATA); |
- RETURN_STRING_LITERAL(QUIC_INVALID_WINDOW_UPDATE_DATA); |
- RETURN_STRING_LITERAL(QUIC_INVALID_BLOCKED_DATA); |
- RETURN_STRING_LITERAL(QUIC_INVALID_STOP_WAITING_DATA); |
- RETURN_STRING_LITERAL(QUIC_INVALID_ACK_DATA); |
- RETURN_STRING_LITERAL(QUIC_INVALID_VERSION_NEGOTIATION_PACKET); |
- RETURN_STRING_LITERAL(QUIC_INVALID_PUBLIC_RST_PACKET); |
- RETURN_STRING_LITERAL(QUIC_DECRYPTION_FAILURE); |
- RETURN_STRING_LITERAL(QUIC_ENCRYPTION_FAILURE); |
- RETURN_STRING_LITERAL(QUIC_PACKET_TOO_LARGE); |
- RETURN_STRING_LITERAL(QUIC_PACKET_FOR_NONEXISTENT_STREAM); |
- RETURN_STRING_LITERAL(QUIC_PEER_GOING_AWAY); |
- RETURN_STRING_LITERAL(QUIC_HANDSHAKE_FAILED); |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_TAGS_OUT_OF_ORDER); |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_TOO_MANY_ENTRIES); |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_TOO_MANY_REJECTS); |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_INVALID_VALUE_LENGTH) |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_MESSAGE_AFTER_HANDSHAKE_COMPLETE); |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_INTERNAL_ERROR); |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_VERSION_NOT_SUPPORTED); |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_NO_SUPPORT); |
- RETURN_STRING_LITERAL(QUIC_INVALID_CRYPTO_MESSAGE_TYPE); |
- RETURN_STRING_LITERAL(QUIC_INVALID_CRYPTO_MESSAGE_PARAMETER); |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_MESSAGE_PARAMETER_NOT_FOUND); |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_MESSAGE_PARAMETER_NO_OVERLAP); |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_MESSAGE_INDEX_NOT_FOUND); |
- RETURN_STRING_LITERAL(QUIC_INVALID_STREAM_ID); |
- RETURN_STRING_LITERAL(QUIC_INVALID_PRIORITY); |
- RETURN_STRING_LITERAL(QUIC_TOO_MANY_OPEN_STREAMS); |
- RETURN_STRING_LITERAL(QUIC_TOO_MANY_UNFINISHED_STREAMS); |
- RETURN_STRING_LITERAL(QUIC_PUBLIC_RESET); |
- RETURN_STRING_LITERAL(QUIC_INVALID_VERSION); |
- RETURN_STRING_LITERAL(QUIC_INVALID_HEADER_ID); |
- RETURN_STRING_LITERAL(QUIC_INVALID_NEGOTIATED_VALUE); |
- RETURN_STRING_LITERAL(QUIC_DECOMPRESSION_FAILURE); |
- RETURN_STRING_LITERAL(QUIC_CONNECTION_TIMED_OUT); |
- RETURN_STRING_LITERAL(QUIC_CONNECTION_OVERALL_TIMED_OUT); |
- RETURN_STRING_LITERAL(QUIC_ERROR_MIGRATING_ADDRESS); |
- RETURN_STRING_LITERAL(QUIC_PACKET_WRITE_ERROR); |
- RETURN_STRING_LITERAL(QUIC_PACKET_READ_ERROR); |
- RETURN_STRING_LITERAL(QUIC_INVALID_STREAM_FRAME); |
- RETURN_STRING_LITERAL(QUIC_INVALID_HEADERS_STREAM_DATA); |
- RETURN_STRING_LITERAL(QUIC_FLOW_CONTROL_RECEIVED_TOO_MUCH_DATA); |
- RETURN_STRING_LITERAL(QUIC_FLOW_CONTROL_SENT_TOO_MUCH_DATA); |
- RETURN_STRING_LITERAL(QUIC_FLOW_CONTROL_INVALID_WINDOW); |
- RETURN_STRING_LITERAL(QUIC_CONNECTION_IP_POOLED); |
- RETURN_STRING_LITERAL(QUIC_PROOF_INVALID); |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_DUPLICATE_TAG); |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_ENCRYPTION_LEVEL_INCORRECT); |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_SERVER_CONFIG_EXPIRED); |
- RETURN_STRING_LITERAL(QUIC_INVALID_CHANNEL_ID_SIGNATURE); |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_SYMMETRIC_KEY_SETUP_FAILED); |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_MESSAGE_WHILE_VALIDATING_CLIENT_HELLO); |
- RETURN_STRING_LITERAL(QUIC_CRYPTO_UPDATE_BEFORE_HANDSHAKE_COMPLETE); |
- RETURN_STRING_LITERAL(QUIC_VERSION_NEGOTIATION_MISMATCH); |
- RETURN_STRING_LITERAL(QUIC_TOO_MANY_OUTSTANDING_SENT_PACKETS); |
- RETURN_STRING_LITERAL(QUIC_TOO_MANY_OUTSTANDING_RECEIVED_PACKETS); |
- RETURN_STRING_LITERAL(QUIC_CONNECTION_CANCELLED); |
- RETURN_STRING_LITERAL(QUIC_LAST_ERROR); |
- // Intentionally have no default case, so we'll break the build |
- // if we add errors and don't put them here. |
- } |
- // Return a default value so that we return this when |error| doesn't match |
- // any of the QuicErrorCodes. This can happen when the ConnectionClose |
- // frame sent by the peer (attacker) has invalid error code. |
- return "INVALID_ERROR_CODE"; |
-} |
- |
-// static |
-const char* QuicUtils::EncryptionLevelToString(EncryptionLevel level) { |
- switch (level) { |
- RETURN_STRING_LITERAL(ENCRYPTION_NONE); |
- RETURN_STRING_LITERAL(ENCRYPTION_INITIAL); |
- RETURN_STRING_LITERAL(ENCRYPTION_FORWARD_SECURE); |
- RETURN_STRING_LITERAL(NUM_ENCRYPTION_LEVELS); |
- } |
- return "INVALID_ENCRYPTION_LEVEL"; |
-} |
- |
-// static |
-const char* QuicUtils::TransmissionTypeToString(TransmissionType type) { |
- switch (type) { |
- RETURN_STRING_LITERAL(NOT_RETRANSMISSION); |
- RETURN_STRING_LITERAL(HANDSHAKE_RETRANSMISSION); |
- RETURN_STRING_LITERAL(LOSS_RETRANSMISSION); |
- RETURN_STRING_LITERAL(ALL_UNACKED_RETRANSMISSION); |
- RETURN_STRING_LITERAL(ALL_INITIAL_RETRANSMISSION); |
- RETURN_STRING_LITERAL(RTO_RETRANSMISSION); |
- RETURN_STRING_LITERAL(TLP_RETRANSMISSION); |
- } |
- return "INVALID_TRANSMISSION_TYPE"; |
-} |
- |
-// static |
-string QuicUtils::TagToString(QuicTag tag) { |
- char chars[sizeof tag]; |
- bool ascii = true; |
- const QuicTag orig_tag = tag; |
- |
- for (size_t i = 0; i < arraysize(chars); i++) { |
- chars[i] = static_cast<char>(tag); |
- if ((chars[i] == 0 || chars[i] == '\xff') && i == arraysize(chars) - 1) { |
- chars[i] = ' '; |
- } |
- if (!isprint(static_cast<unsigned char>(chars[i]))) { |
- ascii = false; |
- break; |
- } |
- tag >>= 8; |
- } |
- |
- if (ascii) { |
- return string(chars, sizeof(chars)); |
- } |
- |
- return base::UintToString(orig_tag); |
-} |
- |
-// static |
-QuicTagVector QuicUtils::ParseQuicConnectionOptions( |
- const std::string& connection_options) { |
- QuicTagVector options; |
- std::vector<std::string> tokens; |
- base::SplitString(connection_options, ',', &tokens); |
- // Tokens are expected to be no more than 4 characters long, but we |
- // handle overflow gracefully. |
- for (const std::string& token : tokens) { |
- uint32 option = 0; |
- for (char token_char : base::Reversed(token)) { |
- option <<= 8; |
- option |= static_cast<unsigned char>(token_char); |
- } |
- options.push_back(option); |
- } |
- return options; |
-} |
- |
-// static |
-string QuicUtils::StringToHexASCIIDump(StringPiece in_buffer) { |
- int offset = 0; |
- const int kBytesPerLine = 16; // Max bytes dumped per line |
- const char* buf = in_buffer.data(); |
- int bytes_remaining = in_buffer.size(); |
- string s; // our output |
- const char* p = buf; |
- while (bytes_remaining > 0) { |
- const int line_bytes = std::min(bytes_remaining, kBytesPerLine); |
- base::StringAppendF(&s, "0x%04x: ", offset); // Do the line header |
- for (int i = 0; i < kBytesPerLine; ++i) { |
- if (i < line_bytes) { |
- base::StringAppendF(&s, "%02x", static_cast<unsigned char>(p[i])); |
- } else { |
- s += " "; // two-space filler instead of two-space hex digits |
- } |
- if (i % 2) s += ' '; |
- } |
- s += ' '; |
- for (int i = 0; i < line_bytes; ++i) { // Do the ASCII dump |
- s+= (p[i] > 32 && p[i] < 127) ? p[i] : '.'; |
- } |
- |
- bytes_remaining -= line_bytes; |
- offset += line_bytes; |
- p += line_bytes; |
- s += '\n'; |
- } |
- return s; |
-} |
- |
-// static |
-QuicPriority QuicUtils::LowestPriority() { |
- return QuicWriteBlockedList::kLowestPriority; |
-} |
- |
-// static |
-QuicPriority QuicUtils::HighestPriority() { |
- return QuicWriteBlockedList::kHighestPriority; |
-} |
- |
-} // namespace net |