sbin/rconfig/rconfig.c

   1 /*
   2  * rconfig - Remote configurator
   3  *
   4  *      rconfig [-W workingdir] [server_ip[:tag]]
   5  *      rconfig [-f configfile] -s
   6  *
   7  * Copyright (c) 2003,2004 The DragonFly Project.  All rights reserved.
   8  *
   9  * This code is derived from software contributed to The DragonFly Project
  10  * by Matthew Dillon <dillon@backplane.com>
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  *
  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
  20  *    the documentation and/or other materials provided with the
  21  *    distribution.
  22  * 3. Neither the name of The DragonFly Project nor the names of its
  23  *    contributors may be used to endorse or promote products derived
  24  *    from this software without specific, prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  28  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  29  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  30  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  31  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  32  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  33  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  34  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  35  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  36  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  37  * SUCH DAMAGE.
  38  *
  39  */
  40
  41 #include "defs.h"
  42
  43 const char *WorkDir = "/tmp";
  44 const char *ConfigFiles = "/etc/defaults/rconfig.conf:/etc/rconfig.conf";
  45 const char *TagDir = "/usr/local/etc/rconfig";
  46 tag_t AddrBase;
  47 tag_t VarBase;
  48 int VerboseOpt;
  49
  50 static void usage(int code);
  51 static void addTag(tag_t *basep, const char *tag, int flags);
  52
  53 int
  54 main(int ac, char **av)
  55 {
  56     int ch;
  57     int i;
  58     int serverMode = 0;
  59
  60     while ((ch = getopt(ac, av, "aW:T:C:sv")) != -1) {
  61         switch(ch) {
  62         case 'a':       /* auto tag / standard broadcast */
  63             addTag(&AddrBase, NULL, 0);
  64             break;
  65         case 'W':       /* specify working directory */
  66             WorkDir = optarg;
  67             break;
  68         case 'T':
  69             TagDir = optarg;
  70             break;
  71         case 'C':       /* specify server config file(s) (colon delimited) */
  72             ConfigFiles = optarg;
  73             break;
  74         case 's':       /* run as server using config file */
  75             serverMode = 1;
  76             break;
  77         case 'v':
  78             VerboseOpt = 1;
  79             break;
  80         default:
  81             usage(1);
  82             /* not reached */
  83         }
  84     }
  85     for (i = optind; i < ac; ++i) {
  86         if (strchr(av[i], '='))
  87             addTag(&VarBase, av[i], 0);
  88         else
  89             addTag(&AddrBase, av[i], 0);
  90     }
  91     if (AddrBase == NULL)
  92         usage(1);
  93     if (AddrBase && AddrBase->name == NULL && AddrBase->next) {
  94         fprintf(stderr,
  95                 "You cannot specify both -a AND a list of hosts.  If you want\n"
  96                 "to use auto-broadcast mode with a tag other than 'auto',\n"
  97                 "just specify the tag without a host, e.g. ':<tag>'\n");
  98         exit(1);
  99     }
 100     if (serverMode)
 101         doServer();
 102     else
 103         doClient();
 104     return(0);
 105 }
 106
 107 static
 108 void
 109 addTag(tag_t *basep, const char *name, int flags)
 110 {
 111     tag_t tag = calloc(sizeof(struct tag), 1);
 112
 113     while ((*basep) != NULL)
 114         basep = &(*basep)->next;
 115
 116     tag->name = name;
 117     tag->flags = flags;
 118     *basep = tag;
 119 }
 120
 121 static void
 122 usage(int code)
 123 {
 124     fprintf(stderr,
 125             "rconfig [-a] [-v] [-W workdir] [host[:tag] ...]\n"
 126             "rconfig -s [-C configfiles] [-W workdir] [-T tagdir] "
 127                 "[-v] [bind_address ...]\n");
 128     exit(code);
 129 }
 130