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Unified Diff: net/spdy/fuzzing/hpack_fuzz_mutator.cc

Issue 2716393002: Deprecate hpack_table_size flag, remove dead code. (Closed)
Patch Set: Created 3 years, 10 months ago
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Index: net/spdy/fuzzing/hpack_fuzz_mutator.cc
diff --git a/net/spdy/fuzzing/hpack_fuzz_mutator.cc b/net/spdy/fuzzing/hpack_fuzz_mutator.cc
deleted file mode 100644
index c0e76d25ffc4c4851ec61d9b5b1a5c9b33e23f5e..0000000000000000000000000000000000000000
--- a/net/spdy/fuzzing/hpack_fuzz_mutator.cc
+++ /dev/null
@@ -1,80 +0,0 @@
-// Copyright 2014 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 "base/command_line.h"
-#include "base/files/file.h"
-#include "base/files/file_util.h"
-#include "base/strings/string_number_conversions.h"
-#include "net/spdy/fuzzing/hpack_fuzz_util.h"
-
-namespace {
-
-// Specifies a file having HPACK header sets.
-const char kFileToParse[] = "file-to-parse";
-
-// Target file for mutated HPACK header sets.
-const char kFileToWrite[] = "file-to-write";
-
-// Number of bits to flip per 1,024 bytes of input.
-const char kFlipsPerThousand[] = "flips-per-thousand-bytes";
-
-} // namespace
-
-using base::StringPiece;
-using net::HpackFuzzUtil;
-using std::string;
-
-// Reads length-prefixed input blocks, applies a bit-flipping mutation to each
-// block, and writes length-prefixed blocks to the output file. While blocks
-// themselves are mutated, the length-prefixes of written blocks are not.
-int main(int argc, char** argv) {
- base::CommandLine::Init(argc, argv);
- const base::CommandLine& command_line =
- *base::CommandLine::ForCurrentProcess();
-
- if (!command_line.HasSwitch(kFileToParse) ||
- !command_line.HasSwitch(kFileToWrite) ||
- !command_line.HasSwitch(kFlipsPerThousand)) {
- LOG(ERROR) << "Usage: " << argv[0]
- << " --" << kFileToParse << "=/path/to/file.in"
- << " --" << kFileToWrite << "=/path/to/file.out"
- << " --" << kFlipsPerThousand << "=10";
- return -1;
- }
- string file_to_parse = command_line.GetSwitchValueASCII(kFileToParse);
- string file_to_write = command_line.GetSwitchValueASCII(kFileToWrite);
-
- int flip_ratio = 0;
- CHECK(base::StringToInt(command_line.GetSwitchValueASCII(kFlipsPerThousand),
- &flip_ratio));
-
- DVLOG(1) << "Reading input from " << file_to_parse;
- HpackFuzzUtil::Input input;
- CHECK(base::ReadFileToString(base::FilePath::FromUTF8Unsafe(file_to_parse),
- &input.input));
-
- DVLOG(1) << "Writing output to " << file_to_write;
- base::File file_out(base::FilePath::FromUTF8Unsafe(file_to_write),
- base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE);
- CHECK(file_out.IsValid()) << file_out.error_details();
-
- DVLOG(1) << "Flipping " << flip_ratio << " bits per 1024 input bytes";
-
- size_t block_count = 0;
- StringPiece block;
- while (HpackFuzzUtil::NextHeaderBlock(&input, &block)) {
- HpackFuzzUtil::FlipBits(
- reinterpret_cast<uint8_t*>(const_cast<char*>(block.data())),
- block.size(), flip_ratio);
-
- string prefix = HpackFuzzUtil::HeaderBlockPrefix(block.size());
-
- CHECK_LT(0, file_out.WriteAtCurrentPos(prefix.data(), prefix.size()));
- CHECK_LT(0, file_out.WriteAtCurrentPos(block.data(), block.size()));
- ++block_count;
- }
- CHECK(file_out.Flush());
- DVLOG(1) << "Mutated " << block_count << " blocks.";
- return 0;
-}
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