1 #include <stdint.h>
2 #include <stdlib.h>
3 #include <stdio.h>
4
5 /* This file doesn't use any Mbed TLS function, but grab config.h anyway
6 * in case it contains platform-specific #defines related to malloc or
7 * stdio functions. */
8 #if !defined(MBEDTLS_CONFIG_FILE)
9 #include "mbedtls/config.h"
10 #else
11 #include MBEDTLS_CONFIG_FILE
12 #endif
13
14 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
15
main(int argc,char ** argv)16 int main(int argc, char **argv)
17 {
18 FILE *fp;
19 uint8_t *Data;
20 size_t Size;
21 const char *argv0 = argv[0] == NULL ? "PROGRAM_NAME" : argv[0];
22
23 if (argc != 2) {
24 fprintf(stderr, "Usage: %s REPRODUCER_FILE\n", argv0);
25 return 1;
26 }
27 //opens the file, get its size, and reads it into a buffer
28 fp = fopen(argv[1], "rb");
29 if (fp == NULL) {
30 fprintf(stderr, "%s: Error in fopen\n", argv0);
31 perror(argv[1]);
32 return 2;
33 }
34 if (fseek(fp, 0L, SEEK_END) != 0) {
35 fprintf(stderr, "%s: Error in fseek(SEEK_END)\n", argv0);
36 perror(argv[1]);
37 fclose(fp);
38 return 2;
39 }
40 Size = ftell(fp);
41 if (Size == (size_t) -1) {
42 fprintf(stderr, "%s: Error in ftell\n", argv0);
43 perror(argv[1]);
44 fclose(fp);
45 return 2;
46 }
47 if (fseek(fp, 0L, SEEK_SET) != 0) {
48 fprintf(stderr, "%s: Error in fseek(0)\n", argv0);
49 perror(argv[1]);
50 fclose(fp);
51 return 2;
52 }
53 Data = malloc(Size);
54 if (Data == NULL) {
55 fprintf(stderr, "%s: Could not allocate memory\n", argv0);
56 perror(argv[1]);
57 fclose(fp);
58 return 2;
59 }
60 if (fread(Data, Size, 1, fp) != 1) {
61 fprintf(stderr, "%s: Error in fread\n", argv0);
62 perror(argv[1]);
63 free(Data);
64 fclose(fp);
65 return 2;
66 }
67
68 //launch fuzzer
69 LLVMFuzzerTestOneInput(Data, Size);
70 free(Data);
71 fclose(fp);
72 return 0;
73 }
74