1 /******************************************************************************
2  *
3  * Project:  GDAL
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 
32 #include "ogr_api.h"
33 #include "cpl_conv.h"
34 #include "cpl_error.h"
35 #include "cpl_string.h"
36 
37 extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv);
38 
LLVMFuzzerInitialize(int *,char ***)39 int LLVMFuzzerInitialize(int* /*argc*/, char*** /*argv*/)
40 {
41     return 0;
42 }
43 
44 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len);
45 
LLVMFuzzerTestOneInput(const uint8_t * buf,size_t len)46 int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len)
47 {
48     OGRGeometryH hGeom = nullptr;
49     CPLPushErrorHandler(CPLQuietErrorHandler);
50     OGR_G_CreateFromWkb( const_cast<unsigned char*>(buf), nullptr, &hGeom,
51                          static_cast<int>(len) );
52     if( hGeom )
53     {
54         const int nWKBSize = OGR_G_WkbSize(hGeom);
55         if( nWKBSize )
56         {
57             GByte* pabyWKB = new GByte[nWKBSize];
58             OGR_G_ExportToWkb(hGeom, wkbNDR, pabyWKB);
59             OGR_G_ExportToIsoWkb(hGeom, wkbNDR, pabyWKB);
60             delete[] pabyWKB;
61         }
62 
63         char* pszWKT = nullptr;
64         OGR_G_ExportToWkt(hGeom, &pszWKT);
65         CPLFree(pszWKT);
66 
67         pszWKT = nullptr;
68         OGR_G_ExportToIsoWkt(hGeom, &pszWKT);
69         CPLFree(pszWKT);
70 
71         CPLFree(OGR_G_ExportToGML(hGeom));
72 
73         char** papszOptions = CSLSetNameValue(nullptr, "FORMAT", "GML3");
74         CPLFree(OGR_G_ExportToGMLEx(hGeom, papszOptions));
75         CSLDestroy(papszOptions);
76 
77         CPLDestroyXMLNode(OGR_G_ExportEnvelopeToGMLTree(hGeom));
78 
79         CPLFree(OGR_G_ExportToKML(hGeom, nullptr));
80 
81         CPLFree(OGR_G_ExportToJson(hGeom));
82     }
83     OGR_G_DestroyGeometry(hGeom);
84     CPLPopErrorHandler();
85     return 0;
86 }
87