57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2018-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <sys/stat.h>
|
||
|
|
static FILE *hacked_userspace_interface_file(const char *iface);
|
||
|
|
#define stat(a, b) ({ return hacked_userspace_interface_file(iface); 0; })
|
||
|
|
#define RUNSTATEDIR "/var/empty"
|
||
|
|
#undef __linux__
|
||
|
|
#include "../ipc.c"
|
||
|
|
#include "../curve25519.c"
|
||
|
|
#include "../encoding.c"
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
const char *__asan_default_options()
|
||
|
|
{
|
||
|
|
return "verbosity=1";
|
||
|
|
}
|
||
|
|
|
||
|
|
union hackiface {
|
||
|
|
char ifname[IFNAMSIZ];
|
||
|
|
struct {
|
||
|
|
const uint8_t *data;
|
||
|
|
size_t len;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
static FILE *hacked_userspace_interface_file(const char *iface)
|
||
|
|
{
|
||
|
|
union hackiface *hack = (union hackiface *)iface;
|
||
|
|
FILE *f = fmemopen(NULL, hack->len + 7, "r+");
|
||
|
|
fseek(f, 7, SEEK_SET);
|
||
|
|
fwrite(hack->data, hack->len, 1, f);
|
||
|
|
fseek(f, 0, SEEK_SET);
|
||
|
|
memcpy(hack->ifname, "hack", 5);
|
||
|
|
return f;
|
||
|
|
}
|
||
|
|
|
||
|
|
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t len)
|
||
|
|
{
|
||
|
|
union hackiface hack = {
|
||
|
|
.data = data,
|
||
|
|
.len = len
|
||
|
|
};
|
||
|
|
struct wgdevice *dev = NULL;
|
||
|
|
|
||
|
|
userspace_get_device(&dev, (const char *)&hack);
|
||
|
|
free_wgdevice(dev);
|
||
|
|
return 0;
|
||
|
|
}
|