libexec/rbootd/conf.c

   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@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: @(#)conf.c        8.1 (Berkeley) 6/4/93
  42  *
  43  * From: Utah Hdr: conf.c 3.1 92/07/06
  44  * Author: Jeff Forys, University of Utah CSS
  45  *
  46  * @(#)conf.c   8.1 (Berkeley) 6/4/93
  47  * $FreeBSD: src/libexec/rbootd/conf.c,v 1.5 1999/08/28 00:09:44 peter Exp $
  48  * $DragonFly: src/libexec/rbootd/conf.c,v 1.2 2003/06/17 06:27:07 dillon Exp $
  49  */
  50
  51 #include <sys/param.h>
  52 #include <sys/time.h>
  53
  54 #include <stdio.h>
  55 #include "defs.h"
  56 #include "pathnames.h"
  57
  58 /*
  59 **  Define (and possibly initialize) global variables here.
  60 **
  61 **  Caveat:
  62 **      The maximum number of bootable files (`char *BootFiles[]') is
  63 **      limited to C_MAXFILE (i.e. the maximum number of files that
  64 **      can be spec'd in the configuration file).  This was done to
  65 **      simplify the boot file search code.
  66 */
  67
  68 char    MyHost[MAXHOSTNAMELEN];                 /* host name */
  69 pid_t   MyPid;                                  /* process id */
  70 int     DebugFlg = 0;                           /* set true if debugging */
  71 int     BootAny = 0;                            /* set true if we boot anyone */
  72
  73 char    *ConfigFile = NULL;                     /* configuration file */
  74 char    *DfltConfig = _PATH_RBOOTDCONF;         /* default configuration file */
  75 char    *PidFile = _PATH_RBOOTDPID;             /* file w/pid of server */
  76 char    *BootDir = _PATH_RBOOTDLIB;             /* directory w/boot files */
  77 char    *DbgFile = _PATH_RBOOTDDBG;             /* debug output file */
  78
  79 FILE    *DbgFp = NULL;                          /* debug file pointer */
  80 char    *IntfName = NULL;                       /* intf we are attached to */
  81
  82 u_int16_t SessionID = 0;                        /* generated session ID */
  83
  84 char    *BootFiles[C_MAXFILE];                  /* list of boot files */
  85
  86 CLIENT  *Clients = NULL;                        /* list of addrs we'll accept */
  87 RMPCONN *RmpConns = NULL;                       /* list of active connections */
  88
  89 u_int8_t RmpMcastAddr[RMP_ADDRLEN] = RMP_ADDR;  /* RMP multicast address */