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// Copyright 2017 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
// This file is shared between executor and csource package.
#include <unistd.h>
#if SYZ_EXECUTOR || SYZ_SANDBOX_NONE
static void loop();
static int do_sandbox_none(void)
{
loop();
return 0;
}
#endif
#if SYZ_EXECUTOR
#define do_sandbox_setuid() 0
#define do_sandbox_namespace() 0
#endif
#if GOOS_openbsd
#define __syscall syscall
#if SYZ_EXECUTOR || __NR_syz_open_pts
#if defined(__OpenBSD__)
#include <termios.h>
#include <util.h>
#else
// Needed when compiling on Linux.
#include <pty.h>
#endif
static uintptr_t syz_open_pts(void)
{
int master, slave;
if (openpty(&master, &slave, NULL, NULL, NULL) == -1)
return -1;
// Move the master fd up in order to reduce the chances of the fuzzer
// generating a call to close(2) with the same fd.
if (dup2(master, master + 100) != -1)
close(master);
return slave;
}
#endif
#endif
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