forked from OSchip/llvm-project
42 lines
1.7 KiB
C
42 lines
1.7 KiB
C
/*===- StandaloneFuzzTargetMain.c - standalone main() for fuzz targets. ---===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
// This main() function can be linked to a fuzz target (i.e. a library
|
|
// that exports LLVMFuzzerTestOneInput() and possibly LLVMFuzzerInitialize())
|
|
// instead of libFuzzer. This main() function will not perform any fuzzing
|
|
// but will simply feed all input files one by one to the fuzz target.
|
|
//
|
|
// Use this file to provide reproducers for bugs when linking against libFuzzer
|
|
// or other fuzzing engine is undesirable.
|
|
//===----------------------------------------------------------------------===*/
|
|
#include <assert.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
extern int LLVMFuzzerTestOneInput(const unsigned char *data, size_t size);
|
|
__attribute__((weak)) extern int LLVMFuzzerInitialize(int *argc, char ***argv);
|
|
int main(int argc, char **argv) {
|
|
fprintf(stderr, "StandaloneFuzzTargetMain: running %d inputs\n", argc - 1);
|
|
if (LLVMFuzzerInitialize)
|
|
LLVMFuzzerInitialize(&argc, &argv);
|
|
for (int i = 1; i < argc; i++) {
|
|
fprintf(stderr, "Running: %s\n", argv[i]);
|
|
FILE *f = fopen(argv[i], "r");
|
|
assert(f);
|
|
fseek(f, 0, SEEK_END);
|
|
size_t len = ftell(f);
|
|
fseek(f, 0, SEEK_SET);
|
|
unsigned char *buf = (unsigned char*)malloc(len);
|
|
size_t n_read = fread(buf, 1, len, f);
|
|
assert(n_read == len);
|
|
LLVMFuzzerTestOneInput(buf, len);
|
|
free(buf);
|
|
fprintf(stderr, "Done: %s: (%zd bytes)\n", argv[i], n_read);
|
|
}
|
|
}
|