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authorLei Zhang <thestig@chromium.org>2018-05-25 21:47:19 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-05-25 21:47:19 +0000
commitfa4d93a08d5cd4f349c480b194a3e795273b27ed (patch)
tree522fdac3c130bf525814c0c745a9cffb2f6d6a4b /testing/libfuzzer/pdf_hint_table_fuzzer.cc
parent0d86f765b8361b7f9f3a5fcc659de2f52c806bd0 (diff)
downloadpdfium-fa4d93a08d5cd4f349c480b194a3e795273b27ed.tar.xz
Move fuzzers to testing/fuzzers.
Move them out of testing/libfuzzer, to make it possible to pull libfuzzer into that directory. Leave testing/libfuzzer/BUILD.gn there for now as a transitional build file. BUG=pdfium:1088 Change-Id: I4126d89dd3e075ac63477a4860e029c135866dbe Reviewed-on: https://pdfium-review.googlesource.com/32896 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'testing/libfuzzer/pdf_hint_table_fuzzer.cc')
-rw-r--r--testing/libfuzzer/pdf_hint_table_fuzzer.cc93
1 files changed, 0 insertions, 93 deletions
diff --git a/testing/libfuzzer/pdf_hint_table_fuzzer.cc b/testing/libfuzzer/pdf_hint_table_fuzzer.cc
deleted file mode 100644
index 50ca5cd693..0000000000
--- a/testing/libfuzzer/pdf_hint_table_fuzzer.cc
+++ /dev/null
@@ -1,93 +0,0 @@
-// Copyright 2016 The PDFium 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 <cstdint>
-
-#include "core/fpdfapi/parser/cpdf_array.h"
-#include "core/fpdfapi/parser/cpdf_boolean.h"
-#include "core/fpdfapi/parser/cpdf_dictionary.h"
-#include "core/fpdfapi/parser/cpdf_hint_tables.h"
-#include "core/fpdfapi/parser/cpdf_linearized_header.h"
-#include "core/fpdfapi/parser/cpdf_number.h"
-#include "core/fxcrt/cfx_bitstream.h"
-#include "third_party/base/ptr_util.h"
-#include "third_party/base/span.h"
-
-int32_t GetData(const int32_t** data32, const uint8_t** data, size_t* size) {
- const int32_t* ret = *data32;
- ++(*data32);
- *data += 4;
- *size -= 4;
- return *ret;
-}
-
-class HintTableForFuzzing : public CPDF_HintTables {
- public:
- HintTableForFuzzing(CPDF_LinearizedHeader* pLinearized,
- int shared_hint_table_offset)
- : CPDF_HintTables(nullptr, pLinearized),
- shared_hint_table_offset_(shared_hint_table_offset) {}
- ~HintTableForFuzzing() {}
-
- void Fuzz(const uint8_t* data, size_t size) {
- if (shared_hint_table_offset_ <= 0)
- return;
-
- if (size < static_cast<size_t>(shared_hint_table_offset_))
- return;
-
- CFX_BitStream bs(pdfium::make_span(data, size));
- if (!ReadPageHintTable(&bs))
- return;
- ReadSharedObjHintTable(&bs, shared_hint_table_offset_);
- }
-
- private:
- int shared_hint_table_offset_;
-};
-
-class FakeLinearized : public CPDF_LinearizedHeader {
- public:
- explicit FakeLinearized(CPDF_Dictionary* linearized_dict)
- : CPDF_LinearizedHeader(linearized_dict, 0) {}
-};
-
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
- // Need 28 bytes for |linearized_dict|.
- // The header section of page offset hint table is 36 bytes.
- // The header section of shared object hint table is 24 bytes.
- if (size < 28 + 36 + 24)
- return 0;
-
- const int32_t* data32 = reinterpret_cast<const int32_t*>(data);
-
- auto linearized_dict = pdfium::MakeUnique<CPDF_Dictionary>();
- // Set initial value.
- linearized_dict->SetNewFor<CPDF_Boolean>("Linearized", true);
- // Set first page end offset
- linearized_dict->SetNewFor<CPDF_Number>("E", GetData(&data32, &data, &size));
- // Set page count
- linearized_dict->SetNewFor<CPDF_Number>("N", GetData(&data32, &data, &size));
- // Set first page obj num
- linearized_dict->SetNewFor<CPDF_Number>("O", GetData(&data32, &data, &size));
- // Set first page no
- linearized_dict->SetNewFor<CPDF_Number>("P", GetData(&data32, &data, &size));
-
- auto hint_info = pdfium::MakeUnique<CPDF_Array>();
- // Add primary hint stream offset
- hint_info->AddNew<CPDF_Number>(GetData(&data32, &data, &size));
- // Add primary hint stream size
- hint_info->AddNew<CPDF_Number>(GetData(&data32, &data, &size));
- // Set hint stream info.
- linearized_dict->SetFor("H", std::move(hint_info));
-
- const int shared_hint_table_offset = GetData(&data32, &data, &size);
-
- {
- FakeLinearized linearized(linearized_dict.get());
- HintTableForFuzzing hint_table(&linearized, shared_hint_table_offset);
- hint_table.Fuzz(data, size);
- }
- return 0;
-}