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 <stdlib.h>
30 #include <stdio.h>
31
32 int LLVMFuzzerTestOneInput(void *buf, size_t len);
33 int LLVMFuzzerInitialize(int* argc, char*** argv);
34
main(int argc,char * argv[])35 int main(int argc, char* argv[])
36 {
37 LLVMFuzzerInitialize(&argc, &argv);
38 if( argc < 2 )
39 {
40 return LLVMFuzzerTestOneInput(" ", 1);
41 }
42 else
43 {
44 int nRet = 0;
45 void* buf = NULL;
46 int nLen = 0;
47 FILE* f = fopen(argv[1], "rb");
48 if( !f )
49 {
50 fprintf(stderr, "%s does not exist.\n", argv[1]);
51 exit(1);
52 }
53 fseek(f, 0, SEEK_END);
54 nLen = (int)ftell(f);
55 fseek(f, 0, SEEK_SET);
56 buf = malloc(nLen);
57 if( !buf )
58 {
59 fprintf(stderr, "malloc failed.\n");
60 fclose(f);
61 exit(1);
62 }
63 fread(buf, nLen, 1, f);
64 fclose(f);
65 nRet = LLVMFuzzerTestOneInput(buf, nLen);
66 free(buf);
67 return nRet;
68 }
69 }
70