xref: /aosp_15_r20/external/pdfium/testing/fuzzers/pdfium_xfa_fuzzer.cc (revision 3ac0a46f773bac49fa9476ec2b1cf3f8da5ec3a4)

// 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 <stdint.h>

#include "public/fpdf_formfill.h"
#include "testing/fuzzers/pdfium_fuzzer_helper.h"

class PDFiumXFAFuzzer : public PDFiumFuzzerHelper {
 public:
  PDFiumXFAFuzzer() = default;
  ~PDFiumXFAFuzzer() override = default;

  int GetFormCallbackVersion() const override { return 2; }

  // Return false if XFA doesn't load as otherwise we're duplicating the work
  // done by the non-xfa fuzzer.
  bool OnFormFillEnvLoaded(FPDF_DOCUMENT doc) override {
    int form_type = FPDF_GetFormType(doc);
    if (form_type != FORMTYPE_XFA_FULL && form_type != FORMTYPE_XFA_FOREGROUND)
      return false;
    return FPDF_LoadXFA(doc);
  }
};

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
  PDFiumXFAFuzzer fuzzer;
  fuzzer.RenderPdf(reinterpret_cast<const char*>(data), size);
  return 0;
}