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/*
* Copyright (C) 2001-2016 Sebastian Krahmer.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Sebastian Krahmer.
* 4. The name Sebastian Krahmer may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef crash_pty_h
#define crash_pty_h
#include <sys/types.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <unistd.h>
#include <string>
using namespace std;
// A BSD 4.3+ PTY API.
class pty {
protected:
// file-descriptors for terminal
int _master, _slave;
// names of device-files
string m, s, serr;
public:
pty() : _master(-1), _slave(-1), m(""), s(""), serr("") {}
virtual ~pty() { close(); }
// Copy-constructor
pty(const pty &rhs);
// Assign-operator
pty &operator=(const pty &rhs);
// open master+slave terminal
virtual int open();
// close both
int close();
int close_master();
int close_slave();
int master() { return _master; }
int slave() { return _slave; }
string mname() { return m; }
string sname() { return s; }
// do chown, chmod
virtual int grant(uid_t, gid_t, mode_t);
const char* why();
};
class pty98 : public pty {
public:
pty98() : pty() {}
virtual ~pty98() {}
pty98(const pty98 &);
pty98 &operator=(const pty98 &);
virtual int open();
virtual int grant(uid_t, gid_t, mode_t);
};
#endif