/*
 * Dropbear - a SSH2 server
 * 
 * Copyright (c) 2002,2003 Matt Johnston
 * All rights reserved.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE. */

#ifndef _CHANSESSION_H_
#define _CHANSESSION_H_

#include "loginrec.h"
#include "channel.h"

struct ChanSess {

	unsigned char * cmd; /* command to exec */
	pid_t pid; /* child process pid */

	/* pty details */
	int master; /* the master terminal fd*/
	int slave;
	unsigned char * tty;
	unsigned char * term;
	unsigned int termw, termh, termc, termr; /* width, height, col, rows */

	/* exit details */
	int exited;
	int exitstatus;
	int exitsignal;
	unsigned char exitcore;
	
#ifndef DISABLE_X11FWD
	int x11fd; /* set to -1 to indicate forwarding not established */
	int x11port;
	char * x11authprot;
	char * x11authcookie;
	unsigned int x11screennum;
	unsigned char x11singleconn;
#endif

#ifndef DISABLE_AGENTFWD
	int agentfd;
	char * agentfile;
	char * agentdir;
#endif
};

struct ChildPid {
	pid_t pid;
	struct ChanSess * chansess;
};


void newchansess(struct Channel * channel);
void chansessionrequest(struct Channel * channel);
void closechansess(struct Channel * channel);
void svr_chansessinitialise();
void send_msg_chansess_exitstatus(struct Channel * channel,
		struct ChanSess * chansess);
void send_msg_chansess_exitsignal(struct Channel * channel,
		struct ChanSess * chansess);
void addnewvar(const char* param, const char* var);


struct SigMap {
	int signal;
	char* name;
};

extern const struct SigMap signames[];

#endif /* _CHANSESSION_H_ */