summaryrefslogtreecommitdiff
path: root/libxerces-c/tests/reader-mgr/ReaderMgrTest.cpp
blob: fc7e3286d82c84abed05ed4330f9f1ac041ba2bd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * $Id$
 *
 */

/*
 * This test verifies the fix of the CVE-2018-1311 issue (see
 * https://issues.apache.org/jira/projects/XERCESC/issues/XERCESC-2188 for all
 * the gory details).
 */

// ---------------------------------------------------------------------------
//  Includes
// ---------------------------------------------------------------------------
#include    <xercesc/util/XMLUni.hpp>
#include    <xercesc/util/Janitor.hpp>
#include    <xercesc/util/XMLString.hpp>
#include    <xercesc/util/PlatformUtils.hpp>
#include    <xercesc/sax/InputSource.hpp>
#include    <xercesc/framework/XMLEntityDecl.hpp>
#include    <xercesc/framework/MemoryManager.hpp>
#include    <xercesc/validators/DTD/DTDValidator.hpp>
#include    <xercesc/internal/ReaderMgr.hpp>

#if defined(XERCES_NEW_IOSTREAMS)
#include	<iostream>
#else
#include	<iostream.h>
#endif

#include <set>
#include <memory>  // unique_ptr
#include <string>
#include <cstddef> // size_t

#undef NDEBUG
#include <cassert>

XERCES_CPP_NAMESPACE_USE

using namespace std;

inline XERCES_STD_QUALIFIER ostream& operator<<(XERCES_STD_QUALIFIER ostream& os, const XMLCh* xmlStr)
{
	char* transcoded = XMLString::transcode(xmlStr);
  os << transcoded;
  XMLString::release(&transcoded);
  return os;
}

struct XMLStringDeleter
{
  void operator() (XMLCh* p) const {if (p != nullptr) XMLString::release(&p);}
};

using XMLChPtr = unique_ptr<XMLCh, XMLStringDeleter>;

// ---------------------------------------------------------------------------
//  Program entry point
// ---------------------------------------------------------------------------
int
main(int argc, char** argv)
{
  // Init the XML platform
  try
  {
    XMLPlatformUtils::Initialize();
  }
  catch(const XMLException& toCatch)
  {
    XERCES_STD_QUALIFIER cout << "Error during platform init! Message:\n"
                              << toCatch.getMessage() << XERCES_STD_QUALIFIER endl;
    return 1;
  }

  MemoryManager* const fMemoryManager = XMLPlatformUtils::fgMemoryManager;

  {
    set<string> entity_names;
    ReaderMgr fReaderMgr;

    for (int i (1); i != argc; ++i)
    {
      string s (argv[i]);
      size_t n (s.find ('='));

      assert (n != string::npos);

      string name (s, 0, n);

      XMLChPtr sysId (XMLString::transcode(string (s, n + 1).c_str ()));

      {
        XMLChPtr gDTDStr (XMLString::transcode(name.c_str ()));
        bool new_entity (entity_names.emplace (move (name)).second);

        InputSource* srcUsed=0;
        Janitor<InputSource> janSrc(srcUsed);

        XMLReader* reader =
          fReaderMgr.createReader
          (
            sysId.get ()
            , XMLUni::fgEmptyString /* pubId */
            , false /* xmlDecl */
            , XMLReader::RefFrom_NonLiteral
            , XMLReader::Type_General
            , XMLReader::Source_External
            , srcUsed
          );

        assert (reader != nullptr);

        janSrc.reset(srcUsed);

        DTDEntityDecl* declDTD =
          new (fMemoryManager) DTDEntityDecl(gDTDStr.get (), false, fMemoryManager);

        assert (fReaderMgr.pushReaderAdoptEntity(reader, declDTD) == new_entity);
      }

      {
        InputSource* srcUsed=0;
        Janitor<InputSource> janSrc(srcUsed);

        XMLReader* reader =
          fReaderMgr.createReader
          (
            sysId.get ()
            , XMLUni::fgEmptyString /* pubId */
            , false /* xmlDecl */
            , XMLReader::RefFrom_NonLiteral
            , XMLReader::Type_General
            , XMLReader::Source_External
            , srcUsed
          );

        assert (reader != nullptr);

        janSrc.reset(srcUsed);

        assert (fReaderMgr.pushReader(reader, nullptr));
      }
    }
  }

  // And call the termination method
  XMLPlatformUtils::Terminate();

  return 0;
}