Coverage Report

Created: 2025-09-04 08:08

/src/xpdf-4.05/build/fuzz_JBIG2.cc
Line
Count
Source
1
/*  Copyright 2022 Google Inc.
2
3
Licensed under the Apache License, Version 2.0 (the "License");
4
you may not use this file except in compliance with the License.
5
You may obtain a copy of the License at
6
7
      http://www.apache.org/licenses/LICENSE-2.0
8
9
Unless required by applicable law or agreed to in writing, software
10
distributed under the License is distributed on an "AS IS" BASIS,
11
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12
See the License for the specific language governing permissions and
13
limitations under the License.
14
*/
15
#include <fuzzer/FuzzedDataProvider.h>
16
17
#include <vector>
18
#include <aconf.h>
19
#include <stdio.h>
20
#include <stdint.h>
21
#include <stdlib.h>
22
#include <stddef.h>
23
#include <string.h>
24
#include <png.h>
25
26
#include "gmem.h"
27
#include "gmempp.h"
28
#include "parseargs.h"
29
#include "GString.h"
30
#include "gfile.h"
31
#include "GlobalParams.h"
32
#include "Object.h"
33
#include "PDFDoc.h"
34
#include "SplashBitmap.h"
35
#include "Splash.h"
36
#include "SplashOutputDev.h"
37
#include "Stream.h"
38
#include "config.h"
39
40
#include "JBIG2Stream.h"
41
42
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
43
1.64k
{
44
1.64k
  FuzzedDataProvider fdp(data, size);
45
1.64k
  double hdpi = fdp.ConsumeFloatingPoint<double>();
46
1.64k
  double vdpi = fdp.ConsumeFloatingPoint<double>();
47
1.64k
  int rotate = fdp.ConsumeIntegral<int>();
48
1.64k
  bool useMediaBox = fdp.ConsumeBool();
49
1.64k
  bool crop = fdp.ConsumeBool();
50
1.64k
  bool printing = fdp.ConsumeBool();
51
1.64k
  std::vector<char> payload = fdp.ConsumeRemainingBytes<char>();
52
53
1.64k
  Object xpdf_obj;
54
1.64k
  xpdf_obj.initNull();
55
1.64k
  BaseStream *stream = new MemStream(payload.data(), 0, payload.size(), &xpdf_obj);
56
57
1.64k
  Object info, xfa;
58
1.64k
  Object *acroForm;
59
1.64k
  globalParams = new GlobalParams(NULL);
60
1.64k
  globalParams->setErrQuiet(1);
61
1.64k
  globalParams->setupBaseFonts(NULL);
62
1.64k
  char yes[] = "yes";
63
1.64k
  globalParams->setEnableFreeType(yes); // Yes, it's a string and not a bool.
64
1.64k
  globalParams->setErrQuiet(1);
65
66
1.64k
  PDFDoc *doc = NULL;
67
1.64k
  try
68
1.64k
  {
69
1.64k
    PDFDoc doc(stream);
70
1.64k
    if (doc.isOk() == gTrue)
71
846
    {
72
846
      XRef *xref = doc.getXRef();
73
846
      int objNums = xref->getNumObjects();
74
846
      Object currentObj;
75
83.4M
      for (int i = 0; i < objNums; ++i)
76
83.4M
      {
77
83.4M
        if (xref->fetch(i, 0, &currentObj)->isStream())
78
11.2k
        {
79
11.2k
          currentObj.getStream()->reset();
80
11.2k
        }
81
83.4M
      }
82
846
      currentObj.free();
83
846
    }
84
1.64k
  }
85
1.64k
  catch (...)
86
1.64k
  {
87
9
  }
88
89
1.64k
  delete globalParams;
90
91
1.64k
  return 0;
92
1.64k
}