xref: /dragonfly/sbin/rconfig/rconfig.c (revision 3d33658b)
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 
131