mirror of
https://github.com/AFLplusplus/AFLplusplus.git
synced 2025-06-08 16:21:32 +00:00
116 lines
2.0 KiB
C
116 lines
2.0 KiB
C
/*
|
|
american fuzzy lop++ - a trivial program to test the build
|
|
--------------------------------------------------------
|
|
Originally written by Michal Zalewski
|
|
Copyright 2014 Google Inc. All rights reserved.
|
|
Copyright 2019-2023 AFLplusplus Project. All rights reserved.
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at:
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
*/
|
|
|
|
#include <fcntl.h>
|
|
#include <stdbool.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
void LLVMFuzzerTestOneInput(char *buf, int len) {
|
|
|
|
printf (">>> LLVMFuzzerTestOneInput >>>\n");
|
|
if (len < 1) return;
|
|
buf[len] = 0;
|
|
|
|
// we support three input cases
|
|
if (buf[0] == '0')
|
|
printf("Looks like a zero to me!\n");
|
|
else if (buf[0] == '1')
|
|
printf("Pretty sure that is a one!\n");
|
|
else
|
|
printf("Neither one or zero? How quaint!\n");
|
|
|
|
}
|
|
|
|
void slow() {
|
|
|
|
usleep(100000);
|
|
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
|
|
char * file;
|
|
int fd = -1;
|
|
off_t len;
|
|
char * buf = NULL;
|
|
size_t n_read;
|
|
int result = -1;
|
|
|
|
if (argc != 2) { return 1; }
|
|
|
|
do {
|
|
|
|
file = argv[1];
|
|
|
|
dprintf(STDERR_FILENO, "Running: %s\n", file);
|
|
|
|
fd = open(file, O_RDONLY);
|
|
if (fd < 0) {
|
|
|
|
perror("open");
|
|
break;
|
|
|
|
}
|
|
|
|
len = lseek(fd, 0, SEEK_END);
|
|
if (len < 0) {
|
|
|
|
perror("lseek (SEEK_END)");
|
|
break;
|
|
|
|
}
|
|
|
|
if (lseek(fd, 0, SEEK_SET) != 0) {
|
|
|
|
perror("lseek (SEEK_SET)");
|
|
break;
|
|
|
|
}
|
|
|
|
buf = malloc(len);
|
|
if (buf == NULL) {
|
|
|
|
perror("malloc");
|
|
break;
|
|
|
|
}
|
|
|
|
n_read = read(fd, buf, len);
|
|
if (n_read != len) {
|
|
|
|
perror("read");
|
|
break;
|
|
|
|
}
|
|
|
|
dprintf(STDERR_FILENO, "Running: %s: (%zd bytes)\n", file, n_read);
|
|
|
|
LLVMFuzzerTestOneInput(buf, len);
|
|
dprintf(STDERR_FILENO, "Done: %s: (%zd bytes)\n", file, n_read);
|
|
|
|
slow();
|
|
|
|
result = 0;
|
|
|
|
} while (false);
|
|
|
|
if (buf != NULL) { free(buf); }
|
|
|
|
if (fd != -1) { close(fd); }
|
|
|
|
return result;
|
|
|
|
}
|
|
|