main.c revision 1.2 
1/*	$NetBSD: main.c,v 1.2 2008/03/02 11:20:59 jmmv Exp $	*/
2
3/*-
4 * Copyright (c) 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by the NetBSD
18 *	Foundation, Inc. and its contributors.
19 * 4. Neither the name of The NetBSD Foundation nor the names of its
20 *    contributors may be used to endorse or promote products derived
21 *    from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36#include <sys/cdefs.h>
37#ifndef lint
38__RCSID("$NetBSD: main.c,v 1.2 2008/03/02 11:20:59 jmmv Exp $");
39#endif /* !lint */
40
41#include <sys/module.h>
42
43#include <assert.h>
44#include <stdbool.h>
45#include <stdio.h>
46#include <stdlib.h>
47#include <string.h>
48#include <unistd.h>
49#include <err.h>
50
51#include <prop/proplib.h>
52
53int		main(int, char **);
54static void	parse_bool_param(prop_dictionary_t, const char *,
55		    const char *);
56static void	parse_int_param(prop_dictionary_t, const char *,
57		    const char *);
58static void	parse_param(prop_dictionary_t, const char *,
59		    void (*)(prop_dictionary_t, const char *, const char *));
60static void	parse_string_param(prop_dictionary_t, const char *,
61		    const char *);
62static void	usage(void) __dead;
63
64int
65main(int argc, char **argv)
66{
67	modctl_load_t cmdargs;
68	prop_dictionary_t props;
69	char *propsstr;
70	int ch;
71	int flags;
72
73	flags = 0;
74	props = prop_dictionary_create();
75
76	while ((ch = getopt(argc, argv, "b:fi:s:")) != -1) {
77		switch (ch) {
78		case 'b':
79			parse_param(props, optarg, parse_bool_param);
80			break;
81
82		case 'f':
83			flags |= MODCTL_LOAD_FORCE;
84			break;
85
86		case 'i':
87			parse_param(props, optarg, parse_int_param);
88			break;
89
90		case 's':
91			parse_param(props, optarg, parse_string_param);
92			break;
93
94		default:
95			usage();
96			/* NOTREACHED */
97		}
98	}
99
100	argc -= optind;
101	argv += optind;
102	if (argc != 1)
103		usage();
104
105	propsstr = prop_dictionary_externalize(props);
106	if (propsstr == NULL)
107		errx(EXIT_FAILURE, "Failed to process properties");
108
109	cmdargs.ml_filename = argv[0];
110	cmdargs.ml_flags = flags;
111	cmdargs.ml_props = propsstr;
112	cmdargs.ml_propslen = strlen(propsstr);
113
114	if (modctl(MODCTL_LOAD, &cmdargs)) {
115		err(EXIT_FAILURE, NULL);
116	}
117
118	free(propsstr);
119	prop_object_release(props);
120
121	exit(EXIT_SUCCESS);
122}
123
124static
125void
126parse_bool_param(prop_dictionary_t props, const char *name,
127    const char *value)
128{
129	bool boolvalue;
130
131	assert(name != NULL);
132	assert(value != NULL);
133
134	if (strcasecmp(value, "1") == 0 ||
135	    strcasecmp(value, "true") == 0 ||
136	    strcasecmp(value, "yes") == 0)
137		boolvalue = true;
138	else if (strcasecmp(value, "0") == 0 ||
139	    strcasecmp(value, "false") == 0 ||
140	    strcasecmp(value, "no") == 0)
141		boolvalue = false;
142	else
143		errx(EXIT_FAILURE, "Invalid boolean value `%s'", value);
144
145	prop_dictionary_set(props, name, prop_bool_create(boolvalue));
146}
147
148static
149void
150parse_int_param(prop_dictionary_t props, const char *name,
151    const char *value)
152{
153	int64_t intvalue;
154
155	assert(name != NULL);
156	assert(value != NULL);
157
158	if (dehumanize_number(value, &intvalue) != 0)
159		err(EXIT_FAILURE, "Invalid integer value `%s'", value);
160
161	prop_dictionary_set(props, name,
162	    prop_number_create_integer(intvalue));
163}
164
165static
166void
167parse_param(prop_dictionary_t props, const char *origstr,
168    void (*fmt_handler)(prop_dictionary_t, const char *, const char *))
169{
170	char *name, *value;
171
172	name = strdup(origstr);
173
174	value = strchr(name, '=');
175	if (value == NULL) {
176		free(name);
177		errx(EXIT_FAILURE, "Invalid parameter `%s'", origstr);
178	}
179	*value++ = '\0';
180
181	fmt_handler(props, name, value);
182
183	free(name);
184}
185
186static
187void
188parse_string_param(prop_dictionary_t props, const char *name,
189    const char *value)
190{
191
192	assert(name != NULL);
193	assert(value != NULL);
194
195	prop_dictionary_set(props, name, prop_string_create_cstring(value));
196}
197
198static void
199usage(void)
200{
201
202	(void)fprintf(stderr,
203	    "Usage: %s [-b var=boolean] [-f] [-i var=integer] "
204	    "[-s var=string]\n"
205	    "       <module_name>\n",
206	    getprogname());
207	exit(EXIT_FAILURE);
208}
209