187 lines
6.4 KiB
C
187 lines
6.4 KiB
C
/* $NetBSD: defs.h,v 1.6 1998/07/06 06:57:52 mrg Exp $ */
|
|
|
|
/*
|
|
* 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.
|
|
*
|
|
* from: @(#)defs.h 8.1 (Berkeley) 6/4/93
|
|
*
|
|
* From: 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_int8_t 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 MyHost[MAXHOSTNAMELEN+1]; /* this hosts' name */
|
|
extern pid_t 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_int16_t 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 u_int8_t 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_int8_t *));
|
|
CLIENT *NewClient __P((u_int8_t *));
|
|
RMPCONN *NewConn __P((RMPCONN *));
|
|
char *NewStr __P((char *));
|
|
u_int8_t *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 *));
|