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/*
* Copyright (C) 2009-2016 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_session_h
#define crash_session_h
#include <sys/types.h>
#include <unistd.h>
#include <string>
#include "iobox.h"
extern "C" {
#include <openssl/ssl.h>
#include <openssl/evp.h>
}
class server_session {
std::string err;
static std::string banner;
int sock;
SSL *ssl;
SSL_CTX *ssl_ctx;
EVP_PKEY *pubkey;
string user, cmd, home, shell;
iobox iob;
uid_t final_uid;
char peer_ip[64];
protected:
int handle_command(const std::string &, char *, unsigned short);
int handle_data(const std::string &, char *, unsigned short);
int authenticate();
public:
server_session(int, SSL_CTX *);
~server_session();
int handle();
int send_const_chunks(const std::string &, const char *, size_t);
const char *why() { return err.c_str(); };
};
#endif