defs.h revision 1.2
1 /* 2 * Copyright (c) 1988, 1992 The University of Utah and the Center 3 * for Software Science (CSS). 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Center for Software Science of the University of Utah Computer 9 * Science Department. CSS requests users of this software to return 10 * to css-dist (at) cs.utah.edu any improvements that they make and grant 11 * CSS redistribution rights. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the University of 24 * California, Berkeley and its contributors. 25 * 4. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * from: @(#)defs.h 8.1 (Berkeley) 6/4/93 42 * $Id: defs.h,v 1.2 1994/01/11 16:41:29 brezak Exp $ 43 * 44 * From: Utah Hdr: defs.h 3.1 92/07/06 45 * Author: Jeff Forys, University of Utah CSS 46 */ 47 48 #include "rmp.h" 49 #include "rmp_var.h" 50 51 /* 52 ** Common #define's and external variables. All other files should 53 ** include this. 54 */ 55 56 /* 57 * This may be defined in <sys/param.h>, if not, it's defined here. 58 */ 59 #ifndef MAXHOSTNAMELEN 60 #define MAXHOSTNAMELEN 64 61 #endif 62 63 /* 64 * SIGUSR1 and SIGUSR2 are defined in <signal.h> for 4.3BSD systems. 65 */ 66 #ifndef SIGUSR1 67 #define SIGUSR1 SIGEMT 68 #endif 69 #ifndef SIGUSR2 70 #define SIGUSR2 SIGFPE 71 #endif 72 73 /* 74 * These can be faster & more efficient than strcmp()/strncmp()... 75 */ 76 #define STREQN(s1,s2) ((*s1 == *s2) && (strcmp(s1,s2) == 0)) 77 #define STRNEQN(s1,s2,n) ((*s1 == *s2) && (strncmp(s1,s2,n) == 0)) 78 79 /* 80 * Configuration file limitations. 81 */ 82 #define C_MAXFILE 10 /* max number of boot-able files */ 83 #define C_LINELEN 1024 /* max length of line */ 84 85 /* 86 * Direction of packet (used as argument to DispPkt). 87 */ 88 #define DIR_RCVD 0 89 #define DIR_SENT 1 90 #define DIR_NONE 2 91 92 /* 93 * These need not be functions, so... 94 */ 95 #define FreeStr(str) free(str) 96 #define FreeClient(cli) free(cli) 97 #define GenSessID() (++SessionID ? SessionID: ++SessionID) 98 99 /* 100 * Converting an Ethernet address to a string is done in many routines. 101 * Using `rmp.hp_hdr.saddr' works because this field is *never* changed; 102 * it will *always* contain the source address of the packet. 103 */ 104 #define EnetStr(rptr) GetEtherAddr(&(rptr)->rmp.hp_hdr.saddr[0]) 105 106 /* 107 * Every machine we can boot will have one of these allocated for it 108 * (unless there are no restrictions on who we can boot). 109 */ 110 typedef struct client_s { 111 u_char addr[RMP_ADDRLEN]; /* addr of machine */ 112 char *files[C_MAXFILE]; /* boot-able files */ 113 struct client_s *next; /* ptr to next */ 114 } CLIENT; 115 116 /* 117 * Every active connection has one of these allocated for it. 118 */ 119 typedef struct rmpconn_s { 120 struct rmp_packet rmp; /* RMP packet */ 121 int rmplen; /* length of packet */ 122 struct timeval tstamp; /* last time active */ 123 int bootfd; /* open boot file */ 124 struct rmpconn_s *next; /* ptr to next */ 125 } RMPCONN; 126 127 /* 128 * All these variables are defined in "conf.c". 129 */ 130 extern char *ProgName; /* path-stripped argv[0] */ 131 extern char MyHost[]; /* this hosts' name */ 132 extern int MyPid; /* this processes' ID */ 133 extern int DebugFlg; /* set true if debugging */ 134 extern int BootAny; /* set true if we can boot anyone */ 135 136 extern char *ConfigFile; /* configuration file */ 137 extern char *DfltConfig; /* default configuration file */ 138 extern char *DbgFile; /* debug output file */ 139 extern char *PidFile; /* file containing pid of server */ 140 extern char *BootDir; /* directory w/boot files */ 141 142 extern FILE *DbgFp; /* debug file pointer */ 143 extern char *IntfName; /* interface we are attached to */ 144 145 extern u_short SessionID; /* generated session ID */ 146 147 extern char *BootFiles[]; /* list of boot files */ 148 149 extern CLIENT *Clients; /* list of addrs we'll accept */ 150 extern RMPCONN *RmpConns; /* list of active connections */ 151 152 extern char RmpMcastAddr[]; /* RMP multicast address */ 153 154 void AddConn __P((RMPCONN *)); 155 int BootDone __P((RMPCONN *)); 156 void BpfClose __P((void)); 157 char *BpfGetIntfName __P((char **)); 158 int BpfOpen __P((void)); 159 int BpfRead __P((RMPCONN *, int)); 160 int BpfWrite __P((RMPCONN *)); 161 void DebugOff __P((int)); 162 void DebugOn __P((int)); 163 void DispPkt __P((RMPCONN *, int)); 164 void DoTimeout __P((void)); 165 void DspFlnm __P((u_int, char *)); 166 void Exit __P((int)); 167 CLIENT *FindClient __P((RMPCONN *)); 168 RMPCONN *FindConn __P((RMPCONN *)); 169 void FreeClients __P((void)); 170 void FreeConn __P((RMPCONN *)); 171 void FreeConns __P((void)); 172 int GetBootFiles __P((void)); 173 char *GetEtherAddr __P((u_char *)); 174 CLIENT *NewClient __P((u_char *)); 175 RMPCONN *NewConn __P((RMPCONN *)); 176 char *NewStr __P((char *)); 177 u_char *ParseAddr __P((char *)); 178 int ParseConfig __P((void)); 179 void ProcessPacket __P((RMPCONN *, CLIENT *)); 180 void ReConfig __P((int)); 181 void RemoveConn __P((RMPCONN *)); 182 int SendBootRepl __P((struct rmp_packet *, RMPCONN *, char *[])); 183 int SendFileNo __P((struct rmp_packet *, RMPCONN *, char *[])); 184 int SendPacket __P((RMPCONN *)); 185 int SendReadRepl __P((RMPCONN *)); 186 int SendServerID __P((RMPCONN *)); 187
Indexes created Wed Sep 24 14:09:57 GMT 2025