Coverage Report

Created: 2024-04-25 06:27

/src/pdns/pdns/fuzz_zoneparsertng.cc
Line
Count
Source
1
/*
2
 * This file is part of PowerDNS or dnsdist.
3
 * Copyright -- PowerDNS.COM B.V. and its contributors
4
 *
5
 * This program is free software; you can redistribute it and/or modify
6
 * it under the terms of version 2 of the GNU General Public License as
7
 * published by the Free Software Foundation.
8
 *
9
 * In addition, for the avoidance of any doubt, permission is granted to
10
 * link this program with OpenSSL and to (re)distribute the binaries
11
 * produced as the result of such linking.
12
 *
13
 * This program is distributed in the hope that it will be useful,
14
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16
 * GNU General Public License for more details.
17
 *
18
 * You should have received a copy of the GNU General Public License
19
 * along with this program; if not, write to the Free Software
20
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21
 */
22
23
#include "dnsname.hh"
24
#include "dnsparser.hh"
25
#include "dnsrecords.hh"
26
#include "statbag.hh"
27
#include "zoneparser-tng.hh"
28
29
StatBag S;
30
31
static void init()
32
1
{
33
1
  reportAllTypes();
34
1
}
35
36
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size);
37
38
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
39
4.97k
{
40
4.97k
  static bool initialized = false;
41
42
4.97k
  if (!initialized) {
43
1
    init();
44
1
    initialized = true;
45
1
  }
46
47
4.97k
  try {
48
4.97k
    std::vector<std::string> lines;
49
4.97k
    std::string tmp(reinterpret_cast<const char*>(data), size);
50
4.97k
    boost::split(lines, tmp, boost::is_any_of("\n"));
51
52
4.97k
    ZoneParserTNG zpt(lines, g_rootdnsname);
53
    /* limit the number of steps for '$GENERATE' entries */
54
4.97k
    zpt.setMaxGenerateSteps(10000);
55
4.97k
    zpt.setMaxIncludes(20);
56
4.97k
    DNSResourceRecord drr;
57
162k
    while (zpt.get(drr)) {
58
157k
    }
59
4.97k
  }
60
4.97k
  catch (const std::exception& e) {
61
2.50k
  }
62
4.97k
  catch (const PDNSException& e) {
63
388
  }
64
65
4.97k
  return 0;
66
4.97k
}