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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 "packetcache.hh"
24#include "statbag.hh"
25
26StatBag S;
27
28extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
29
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30 if (size > std::numeric_limits<uint16_t>::max()) {
31 return 0;
32 }
33
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34 std::string input(reinterpret_cast<const char*>(data), size);
35
36 /* auth's version */
37 try {
38 PacketCache::canHashPacket(input);
39 }
40 catch(const std::exception& e) {
41 }
42 catch(const PDNSException& e) {
43 }
44
45 /* recursor's version */
46 try {
47 uint16_t ecsBegin = 0;
48 uint16_t ecsEnd = 0;
49 PacketCache::canHashPacket(input, &ecsBegin, &ecsEnd);
50 }
51 catch(const std::exception& e) {
52 }
53 catch(const PDNSException& e) {
54 }
55
56 return 0;
57}