/*
 * $Id: client.h,v 8.3 2003/04/22 15:56:08 ksb Exp $
 *
 * Copyright 1992 Purdue Research Foundation, West Lafayette, Indiana
 * 47907.  All rights reserved.
 *
 * Written by Kevin S Braunsdorf, ksb@cc.purdue.edu, purdue!ksb
 *
 * This software is not subject to any license of the American Telephone
 * and Telegraph Company or the Regents of the University of California.
 *
 * Permission is granted to anyone to use this software for any purpose on
 * any computer system, and to alter it and redistribute it freely, subject
 * to the following restrictions:
 *
 * 1. Neither the authors nor Purdue University are responsible for any
 *    consequences of the use of this software.
 *
 * 2. The origin of this software must not be misrepresented, either by
 *    explicit claim or by omission.  Credit to the authors and Purdue
 *    University must appear in documentation and sources.
 *
 * 3. Altered versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 *
 * 4. This notice may not be removed or altered.
 */
/* states for a server fsm
 */
#define S_NORMAL 0	/* just pass character				*/
#define S_ESC1	 1	/* first escape character received		*/
#define S_CMD	 2	/* second interrupt character received		*/
#define S_CATTN	 3	/* change 1 escape character to next input char */
#define S_CESC	 4	/* change 2 escape character to next input char */
#define S_HALT1	 5	/* we have a halt sequence in progress		*/
#define S_SUSP	 6	/* we are suspened, first char wakes us up	*/
#define S_IDENT	 7	/* probational connection (who is this)		*/
#define S_HOST	 8	/* still needs a host name to connect		*/
#define S_PASSWD 9	/* still needs a passwd to connect		*/
#define S_QUOTE 10	/* send any character we can spell in octal	*/
#define S_POWER 11	/* wait for client to finish with power ctrl	*/

typedef struct client {		/* Connection Information:		*/
	int fd;			/* file descriptor			*/
	short fcon;		/* currently connect or not		*/
	short fwr;		/* (client) write enable flag		*/
	short fwantwr;		/* (client) wants to write		*/
	short fecho;		/* echo commands (not set by machines)	*/
	char acid[64];		/* login and location of client		*/
	time_t tym;		/* time of connect			*/
	char actym[32]; 	/* pre-formatted time			*/
	struct consent
		*pCEwant,	/* what machine we would like to be on	*/
		*pCEto;		/* host a client gets output from	*/
	struct client
		**ppCLbscan,	/* back link for scan ptr		*/
		*pCLscan,	/* next client fd to scan after select	*/
		**ppCLbnext,	/* back link for next ptr		*/
		*pCLnext;	/* next person on this list		*/
	char ic[2];		/* two character escape sequence	*/
	char iState;		/* state for fsm in server		*/
	char caccess;		/* did we trust the remote machine	*/
	struct sockaddr_in
		cnct_port; 	/* where this client connects from	*/

	/* As the client types meta data we record if in accmd, which
	 * must be bigger than CONS_PASS_MAX and MAXHOSTNAMELEN and 32.
	 */
	int icursor;		/* the length of the command buffered	*/
	char accmd[1024];	/* any hostname, password, or data	*/
} CLIENT;

extern char *FmtCtl();
extern void Replay();
extern void HelpUser();
extern CLIENT *FindWrite();