view chansession.h @ 447:278805938dcf

Patch from Nicolai Ehemann to try binding before going to the background, so that if it exits early (because something's already listening etc) then it will return an exitcode of 1.
author Matt Johnston <matt@ucc.asn.au>
date Thu, 19 Jul 2007 15:54:18 +0000
parents 154c8d5a6d1e
children 12d845ab7b5f
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/*
 * 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"
#include "listener.h"

struct exitinfo {

	int exitpid; /* -1 if not exited */
	int exitstatus;
	int exitsignal;
	int exitcore;
};

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;

	/* exit details */
	struct exitinfo exit;
	
#ifndef DISABLE_X11FWD
	struct Listener * x11listener;
	int x11port;
	char * x11authprot;
	char * x11authcookie;
	unsigned int x11screennum;
	unsigned char x11singleconn;
#endif

#ifndef DISABLE_AGENTFWD
	struct Listener * agentlistener;
	char * agentfile;
	char * agentdir;
#endif
};

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


void addnewvar(const char* param, const char* var);

void cli_send_chansess_request();
void cli_tty_cleanup();
void cli_chansess_winchange();

void svr_chansessinitialise();
extern const struct ChanType svrchansess;

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

extern const struct SigMap signames[];

#endif /* _CHANSESSION_H_ */