defs.h revision 1.8
1 /* $NetBSD: defs.h,v 1.8 2003/08/07 11:25:41 agc Exp $ */ 2 3 /* 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. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * from: @(#)defs.h 8.1 (Berkeley) 6/4/93 38 * 39 * From: Utah Hdr: defs.h 3.1 92/07/06 40 * Author: Jeff Forys, University of Utah CSS 41 */ 42 43 /* 44 * Copyright (c) 1988, 1992 The University of Utah and the Center 45 * for Software Science (CSS). 46 * 47 * This code is derived from software contributed to Berkeley by 48 * the Center for Software Science of the University of Utah Computer 49 * Science Department. CSS requests users of this software to return 50 * to css-dist (at) cs.utah.edu any improvements that they make and grant 51 * CSS redistribution rights. 52 * 53 * Redistribution and use in source and binary forms, with or without 54 * modification, are permitted provided that the following conditions 55 * are met: 56 * 1. Redistributions of source code must retain the above copyright 57 * notice, this list of conditions and the following disclaimer. 58 * 2. Redistributions in binary form must reproduce the above copyright 59 * notice, this list of conditions and the following disclaimer in the 60 * documentation and/or other materials provided with the distribution. 61 * 3. All advertising materials mentioning features or use of this software 62 * must display the following acknowledgement: 63 * This product includes software developed by the University of 64 * California, Berkeley and its contributors. 65 * 4. Neither the name of the University nor the names of its contributors 66 * may be used to endorse or promote products derived from this software 67 * without specific prior written permission. 68 * 69 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 70 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 71 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 72 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 73 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 74 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 75 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 76 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 77 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 78 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 79 * SUCH DAMAGE. 80 * 81 * from: @(#)defs.h 8.1 (Berkeley) 6/4/93 82 * 83 * From: Utah Hdr: defs.h 3.1 92/07/06 84 * Author: Jeff Forys, University of Utah CSS 85 */ 86 87 #include "rmp.h" 88 #include "rmp_var.h" 89 90 /* 91 ** Common #define's and external variables. All other files should 92 ** include this. 93 */ 94 95 /* 96 * This may be defined in <sys/param.h>, if not, it's defined here. 97 */ 98 #ifndef MAXHOSTNAMELEN 99 #define MAXHOSTNAMELEN 64 100 #endif 101 102 /* 103 * SIGUSR1 and SIGUSR2 are defined in <signal.h> for 4.3BSD systems. 104 */ 105 #ifndef SIGUSR1 106 #define SIGUSR1 SIGEMT 107 #endif 108 #ifndef SIGUSR2 109 #define SIGUSR2 SIGFPE 110 #endif 111 112 /* 113 * These can be faster & more efficient than strcmp()/strncmp()... 114 */ 115 #define STREQN(s1,s2) ((*s1 == *s2) && (strcmp(s1,s2) == 0)) 116 #define STRNEQN(s1,s2,n) ((*s1 == *s2) && (strncmp(s1,s2,n) == 0)) 117 118 /* 119 * Configuration file limitations. 120 */ 121 #define C_MAXFILE 10 /* max number of boot-able files */ 122 #define C_LINELEN 1024 /* max length of line */ 123 124 /* 125 * Direction of packet (used as argument to DispPkt). 126 */ 127 #define DIR_RCVD 0 128 #define DIR_SENT 1 129 #define DIR_NONE 2 130 131 /* 132 * These need not be functions, so... 133 */ 134 #define FreeStr(str) free(str) 135 #define FreeClient(cli) free(cli) 136 #define GenSessID() (++SessionID ? SessionID: ++SessionID) 137 138 /* 139 * Converting an Ethernet address to a string is done in many routines. 140 * Using `rmp.hp_hdr.saddr' works because this field is *never* changed; 141 * it will *always* contain the source address of the packet. 142 */ 143 #define EnetStr(rptr) GetEtherAddr(&(rptr)->rmp.hp_hdr.saddr[0]) 144 145 /* 146 * Every machine we can boot will have one of these allocated for it 147 * (unless there are no restrictions on who we can boot). 148 */ 149 typedef struct client_s { 150 u_int8_t addr[RMP_ADDRLEN]; /* addr of machine */ 151 char *files[C_MAXFILE]; /* boot-able files */ 152 struct client_s *next; /* ptr to next */ 153 } CLIENT; 154 155 /* 156 * Every active connection has one of these allocated for it. 157 */ 158 typedef struct rmpconn_s { 159 struct rmp_packet rmp; /* RMP packet */ 160 int rmplen; /* length of packet */ 161 struct timeval tstamp; /* last time active */ 162 int bootfd; /* open boot file */ 163 struct rmpconn_s *next; /* ptr to next */ 164 } RMPCONN; 165 166 /* 167 * All these variables are defined in "conf.c". 168 */ 169 extern char MyHost[MAXHOSTNAMELEN+1]; /* this hosts' name */ 170 extern int DebugFlg; /* set true if debugging */ 171 extern int BootAny; /* set true if we can boot anyone */ 172 173 extern char *ConfigFile; /* configuration file */ 174 extern char *DfltConfig; /* default configuration file */ 175 extern char *DbgFile; /* debug output file */ 176 extern char *PidFile; /* file containing pid of server */ 177 extern char *BootDir; /* directory w/boot files */ 178 179 extern FILE *DbgFp; /* debug file pointer */ 180 extern char *IntfName; /* interface we are attached to */ 181 182 extern u_int16_t SessionID; /* generated session ID */ 183 184 extern char *BootFiles[]; /* list of boot files */ 185 186 extern CLIENT *Clients; /* list of addrs we'll accept */ 187 extern RMPCONN *RmpConns; /* list of active connections */ 188 189 extern u_int8_t RmpMcastAddr[]; /* RMP multicast address */ 190 191 void AddConn __P((RMPCONN *)); 192 int BootDone __P((RMPCONN *)); 193 void BpfClose __P((void)); 194 char *BpfGetIntfName __P((char **)); 195 int BpfOpen __P((void)); 196 int BpfRead __P((RMPCONN *, int)); 197 int BpfWrite __P((RMPCONN *)); 198 void DebugOff __P((int)); 199 void DebugOn __P((int)); 200 void DispPkt __P((RMPCONN *, int)); 201 void DoTimeout __P((void)); 202 void DspFlnm __P((u_int, char *)); 203 void Exit __P((int)); 204 CLIENT *FindClient __P((RMPCONN *)); 205 RMPCONN *FindConn __P((RMPCONN *)); 206 void FreeClients __P((void)); 207 void FreeConn __P((RMPCONN *)); 208 void FreeConns __P((void)); 209 int GetBootFiles __P((void)); 210 char *GetEtherAddr __P((u_int8_t *)); 211 CLIENT *NewClient __P((u_int8_t *)); 212 RMPCONN *NewConn __P((RMPCONN *)); 213 char *NewStr __P((char *)); 214 u_int8_t *ParseAddr __P((char *)); 215 int ParseConfig __P((void)); 216 void ProcessPacket __P((RMPCONN *, CLIENT *)); 217 void ReConfig __P((int)); 218 void RemoveConn __P((RMPCONN *)); 219 int SendBootRepl __P((struct rmp_packet *, RMPCONN *, char *[])); 220 int SendFileNo __P((struct rmp_packet *, RMPCONN *, char *[])); 221 int SendPacket __P((RMPCONN *)); 222 int SendReadRepl __P((RMPCONN *)); 223 int SendServerID __P((RMPCONN *)); 224
Indexes created Mon Sep 29 21:09:56 GMT 2025