chromium/third_party/pdfium/testing/fuzzers/pdfium_fuzzer_helper.cc

// Copyright 2017 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "testing/fuzzers/pdfium_fuzzer_helper.h"

#include <assert.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <sstream>
#include <string>
#include <tuple>
#include <utility>

#include "core/fxcrt/check_op.h"
#include "core/fxcrt/compiler_specific.h"
#include "core/fxcrt/fx_memcpy_wrappers.h"
#include "core/fxcrt/numerics/checked_math.h"
#include "core/fxcrt/span.h"
#include "public/cpp/fpdf_scopers.h"
#include "public/fpdf_dataavail.h"
#include "public/fpdf_ext.h"
#include "public/fpdf_text.h"

namespace {

class FuzzerTestLoader { … };

int ExampleAppAlert(IPDF_JSPLATFORM*,
                    FPDF_WIDESTRING,
                    FPDF_WIDESTRING,
                    int,
                    int) { … }

int ExampleAppResponse(IPDF_JSPLATFORM*,
                       FPDF_WIDESTRING question,
                       FPDF_WIDESTRING title,
                       FPDF_WIDESTRING default_value,
                       FPDF_WIDESTRING label,
                       FPDF_BOOL is_password,
                       void* response,
                       int length) { … }

void ExampleDocGotoPage(IPDF_JSPLATFORM*, int pageNumber) { … }

void ExampleDocMail(IPDF_JSPLATFORM*,
                    void* mailData,
                    int length,
                    FPDF_BOOL UI,
                    FPDF_WIDESTRING To,
                    FPDF_WIDESTRING Subject,
                    FPDF_WIDESTRING CC,
                    FPDF_WIDESTRING BCC,
                    FPDF_WIDESTRING Msg) { … }

FPDF_BOOL Is_Data_Avail(FX_FILEAVAIL* pThis, size_t offset, size_t size) { … }

void Add_Segment(FX_DOWNLOADHINTS* pThis, size_t offset, size_t size) { … }

std::pair<int, int> GetRenderingAndFormFlagFromData(const char* data,
                                                    size_t len) { … }

}  // namespace

PDFiumFuzzerHelper::PDFiumFuzzerHelper() = default;

PDFiumFuzzerHelper::~PDFiumFuzzerHelper() = default;

bool PDFiumFuzzerHelper::OnFormFillEnvLoaded(FPDF_DOCUMENT doc) { … }

void PDFiumFuzzerHelper::RenderPdf(const char* data, size_t len) { … }

bool PDFiumFuzzerHelper::RenderPage(FPDF_DOCUMENT doc,
                                    FPDF_FORMHANDLE form,
                                    int page_index,
                                    int render_flags,
                                    int form_flags) { … }