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/*
american fuzzy lop++ - snapshot helpers routines
------------------------------------------------
Originally written by Michal Zalewski
Forkserver design by Jann Horn <jannhorn@googlemail.com>
Now maintained by Marc Heuse <mh@mh-sec.de>,
Heiko Eißfeldt <heiko.eissfeldt@hexco.de>,
Andrea Fioraldi <andreafioraldi@gmail.com>,
Dominik Maier <mail@dmnk.co>
Copyright 2016, 2017 Google Inc. All rights reserved.
Copyright 2019-2020 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
*/
// From AFL-Snapshot-LKM/include/afl_snapshot.h (must be kept synced)
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#define AFL_SNAPSHOT_FILE_NAME "/dev/afl_snapshot"
#define AFL_SNAPSHOT_IOCTL_MAGIC 44313
#define AFL_SNAPSHOT_IOCTL_DO _IO(AFL_SNAPSHOT_IOCTL_MAGIC, 1)
#define AFL_SNAPSHOT_IOCTL_CLEAN _IO(AFL_SNAPSHOT_IOCTL_MAGIC, 2)
static int afl_snapshot_dev_fd;
static int afl_snapshot_init(void) {
afl_snapshot_dev_fd = open(AFL_SNAPSHOT_FILE_NAME, 0);
return afl_snapshot_dev_fd;
}
static int afl_snapshot_do() {
return ioctl(afl_snapshot_dev_fd, AFL_SNAPSHOT_IOCTL_DO);
}
static int afl_snapshot_clean(void) {
return ioctl(afl_snapshot_dev_fd, AFL_SNAPSHOT_IOCTL_CLEAN);
}
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