/* * Copyright (c) 1988, 1992 The University of Utah and the Center *	for Software Science (CSS). * Copyright (c) 1992, 1993 *	The Regents of the University of California.  All rights reserved. * * This code is derived from software contributed to Berkeley by * the Center for Software Science of the University of Utah Computer * Science Department.  CSS requests users of this software to return * to css-dist@cs.utah.edu any improvements that they make and grant * CSS redistribution rights. * * 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 the University of *	California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors *    may be used to endorse or promote products derived from this software *    without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. * *	@(#)defs.h	8.1 (Berkeley) 6/4/93 * * Utah $Hdr: defs.h 3.1 92/07/06$ * Author: Jeff Forys, University of Utah CSS */#include "rmp.h"#include "rmp_var.h"/***  Common #define's and external variables.  All other files should**  include this.*//* *  This may be defined in <sys/param.h>, if not, it's defined here. */#ifndef	MAXHOSTNAMELEN#define	MAXHOSTNAMELEN 64#endif/* *  SIGUSR1 and SIGUSR2 are defined in <signal.h> for 4.3BSD systems. */#ifndef SIGUSR1#define	SIGUSR1 SIGEMT#endif#ifndef SIGUSR2#define	SIGUSR2 SIGFPE#endif/* *  These can be faster & more efficient than strcmp()/strncmp()... */#define	STREQN(s1,s2)		((*s1 == *s2) && (strcmp(s1,s2) == 0))#define	STRNEQN(s1,s2,n)	((*s1 == *s2) && (strncmp(s1,s2,n) == 0))/* *  Configuration file limitations. */#define	C_MAXFILE	10		/* max number of boot-able files */#define	C_LINELEN	1024		/* max length of line *//* *  Direction of packet (used as argument to DispPkt). */#define	DIR_RCVD	0#define	DIR_SENT	1#define	DIR_NONE	2/* *  These need not be functions, so... */#define	FreeStr(str)	free(str)#define	FreeClient(cli)	free(cli)#define	GenSessID()	(++SessionID ? SessionID: ++SessionID)/* *  Converting an Ethernet address to a string is done in many routines. *  Using `rmp.hp_hdr.saddr' works because this field is *never* changed; *  it will *always* contain the source address of the packet. */#define	EnetStr(rptr)	GetEtherAddr(&(rptr)->rmp.hp_hdr.saddr[0])/* *  Every machine we can boot will have one of these allocated for it *  (unless there are no restrictions on who we can boot). */typedef struct client_s {	u_char			addr[RMP_ADDRLEN];	/* addr of machine */	char			*files[C_MAXFILE];	/* boot-able files */	struct client_s		*next;			/* ptr to next */} CLIENT;/* *  Every active connection has one of these allocated for it. */typedef struct rmpconn_s {	struct rmp_packet	rmp;			/* RMP packet */	int			rmplen;			/* length of packet */	struct timeval		tstamp;			/* last time active */	int			bootfd;			/* open boot file */	struct rmpconn_s	*next;			/* ptr to next */} RMPCONN;/* *  All these variables are defined in "conf.c". */extern	char	*ProgName;		/* path-stripped argv[0] */extern	char	MyHost[];		/* this hosts' name */extern	int	MyPid;			/* this processes' ID */extern	int	DebugFlg;		/* set true if debugging */extern	int	BootAny;		/* set true if we can boot anyone */extern	char	*ConfigFile;		/* configuration file */extern	char	*DfltConfig;		/* default configuration file */extern	char	*DbgFile;		/* debug output file */extern	char	*PidFile;		/* file containing pid of server */extern	char	*BootDir;		/* directory w/boot files */extern	FILE	*DbgFp;			/* debug file pointer */extern	char	*IntfName;		/* interface we are attached to */extern	u_short	SessionID;		/* generated session ID */extern	char	*BootFiles[];		/* list of boot files */extern	CLIENT	*Clients;		/* list of addrs we'll accept */extern	RMPCONN	*RmpConns;		/* list of active connections */extern	char	RmpMcastAddr[];		/* RMP multicast address */void	 AddConn __P((RMPCONN *));int	 BootDone __P((RMPCONN *));void	 BpfClose __P((void));char	*BpfGetIntfName __P((char **));int	 BpfOpen __P((void));int	 BpfRead __P((RMPCONN *, int));int	 BpfWrite __P((RMPCONN *));void	 DebugOff __P((int));void	 DebugOn __P((int));void	 DispPkt __P((RMPCONN *, int));void	 DoTimeout __P((void));void	 DspFlnm __P((u_int, char *));void	 Exit __P((int));CLIENT	*FindClient __P((RMPCONN *));RMPCONN	*FindConn __P((RMPCONN *));void	 FreeClients __P((void));void	 FreeConn __P((RMPCONN *));void	 FreeConns __P((void));int	 GetBootFiles __P((void));char	*GetEtherAddr __P((u_char *));CLIENT	*NewClient __P((u_char *));RMPCONN	*NewConn __P((RMPCONN *));char	*NewStr __P((char *));u_char	*ParseAddr __P((char *));int	 ParseConfig __P((void));void	 ProcessPacket __P((RMPCONN *, CLIENT *));void	 ReConfig __P((int));void	 RemoveConn __P((RMPCONN *));int	 SendBootRepl __P((struct rmp_packet *, RMPCONN *, char *[]));int	 SendFileNo __P((struct rmp_packet *, RMPCONN *, char *[]));int	 SendPacket __P((RMPCONN *));int	 SendReadRepl __P((RMPCONN *));int	 SendServerID __P((RMPCONN *));