1 /******************************************************************************
2 *
3 * Project: PostGIS
4 * Purpose: Fuzzer
5 * Author: Even Rouault, even.rouault at spatialys.com
6 *
7 ******************************************************************************
8 * Copyright (c) 2017, Even Rouault <even.rouault at spatialys.com>
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a
11 * copy of this software and associated documentation files (the "Software"),
12 * to deal in the Software without restriction, including without limitation
13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 * and/or sell copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice shall be included
18 * in all copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
25 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
26 * DEALINGS IN THE SOFTWARE.
27 ****************************************************************************/
28
29 #include <stddef.h>
30 #include <stdint.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <setjmp.h>
34
35 #include <set>
36 extern "C" {
37 #include "liblwgeom.h"
38 #include "geos_stub.h"
39 #include "proj_stub.h"
40 }
41 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv);
42
43 extern "C" {
44 static void
noticereporter(const char *,va_list)45 noticereporter(const char *, va_list)
46 {}
47 }
48
49 static void
debuglogger(int,const char *,va_list)50 debuglogger(int, const char *, va_list)
51 {}
52
53 int
LLVMFuzzerInitialize(int *,char ***)54 LLVMFuzzerInitialize(int * /*argc*/, char *** /*argv*/)
55 {
56 lwgeom_set_handlers(malloc, realloc, free, noticereporter, noticereporter);
57 lwgeom_set_debuglogger(debuglogger);
58 return 0;
59 }
60
61 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len);
62
63 int
LLVMFuzzerTestOneInput(const uint8_t * buf,size_t len)64 LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len)
65 {
66 char *srs = NULL;
67 char *psz = static_cast<char *>(malloc(len + 1));
68 memcpy(psz, buf, len);
69 psz[len] = '\0';
70 LWGEOM *lwgeom = lwgeom_from_geojson(psz, &srs);
71 lwgeom_free(lwgeom);
72 lwfree(srs);
73 free(psz);
74 return 0;
75 }
76