xref: /freebsd/usr.sbin/bluetooth/bthidcontrol/bthidcontrol.c (revision 6b3455a7665208c366849f0b2b3bc916fb97516e)
1 /*
2  * bthidcontrol.c
3  *
4  * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com>
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  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $Id: bthidcontrol.c,v 1.2 2004/02/13 21:44:41 max Exp $
29  * $FreeBSD$
30  */
31 
32 #include <sys/queue.h>
33 #include <assert.h>
34 #include <bluetooth.h>
35 #include <err.h>
36 #include <errno.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <unistd.h>
41 #include <usbhid.h>
42 #include "bthid_config.h"
43 #include "bthidcontrol.h"
44 
45 static int do_bthid_command(bdaddr_p bdaddr, int argc, char **argv);
46 static struct bthid_command * find_bthid_command(char const *command, struct bthid_command *category);
47 static void print_bthid_command(struct bthid_command *category);
48 static void usage(void);
49 
50 int32_t hid_sdp_query(bdaddr_t const *local, bdaddr_t const *remote, int32_t *error);
51 
52 /*
53  * bthidcontrol
54  */
55 
56 int
57 main(int argc, char *argv[])
58 {
59 	bdaddr_t	bdaddr;
60 	int		opt;
61 
62 	hid_init(NULL);
63 	memcpy(&bdaddr, NG_HCI_BDADDR_ANY, sizeof(bdaddr));
64 
65 	while ((opt = getopt(argc, argv, "a:c:H:h")) != -1) {
66 		switch (opt) {
67 		case 'a': /* bdaddr */
68 			if (!bt_aton(optarg, &bdaddr)) {
69 				struct hostent  *he = NULL;
70 
71 				if ((he = bt_gethostbyname(optarg)) == NULL)
72 					errx(1, "%s: %s", optarg, hstrerror(h_errno));
73 
74 				memcpy(&bdaddr, he->h_addr, sizeof(bdaddr));
75 			}
76 			break;
77 
78 		case 'c': /* config file */
79 			config_file = optarg;
80 			break;
81 
82 		case 'H': /* HIDs file */
83 			hids_file = optarg;
84 			break;
85 
86 		case 'h':
87 		default:
88 			usage();
89 			/* NOT REACHED */
90 		}
91 	}
92 
93 	argc -= optind;
94 	argv += optind;
95 
96 	if (*argv == NULL)
97 		usage();
98 
99 	return (do_bthid_command(&bdaddr, argc, argv));
100 } /* main */
101 
102 /* Execute commands */
103 static int
104 do_bthid_command(bdaddr_p bdaddr, int argc, char **argv)
105 {
106 	char			*cmd = argv[0];
107 	struct bthid_command	*c = NULL;
108 	int			 e, help;
109 
110 	help = 0;
111 	if (strcasecmp(cmd, "help") == 0) {
112 		argc --;
113 		argv ++;
114 
115 		if (argc <= 0) {
116 			fprintf(stdout, "Supported commands:\n");
117 			print_bthid_command(sdp_commands);
118 			print_bthid_command(hid_commands);
119 			fprintf(stdout, "\nFor more information use " \
120 					"'help command'\n");
121 
122 			return (OK);
123 		}
124 
125 		help = 1;
126 		cmd = argv[0];
127 	}
128 
129 	c = find_bthid_command(cmd, sdp_commands);
130 	if (c == NULL)
131 		c = find_bthid_command(cmd, hid_commands);
132 
133 	if (c == NULL) {
134 		fprintf(stdout, "Unknown command: \"%s\"\n", cmd);
135 		return (ERROR);
136 	}
137 
138 	if (!help)
139 		e = (c->handler)(bdaddr, -- argc, ++ argv);
140 	else
141 		e = USAGE;
142 
143 	switch (e) {
144 	case OK:
145 	case FAILED:
146 		break;
147 
148 	case ERROR:
149 		fprintf(stdout, "Could not execute command \"%s\". %s\n",
150 				cmd, strerror(errno));
151 		break;
152 
153 	case USAGE:
154 		fprintf(stdout, "Usage: %s\n%s\n", c->command, c->description);
155 		break;
156 
157 	default: assert(0); break;
158 	}
159 
160 	return (e);
161 } /* do_bthid_command */
162 
163 /* Try to find command in specified category */
164 static struct bthid_command *
165 find_bthid_command(char const *command, struct bthid_command *category)
166 {
167 	struct bthid_command	*c = NULL;
168 
169 	for (c = category; c->command != NULL; c++) {
170 		char	*c_end = strchr(c->command, ' ');
171 
172 		if (c_end != NULL) {
173 			int	len = c_end - c->command;
174 
175 			if (strncasecmp(command, c->command, len) == 0)
176 				return (c);
177 		} else if (strcasecmp(command, c->command) == 0)
178 				return (c);
179 	}
180 
181 	return (NULL);
182 } /* find_bthid_command */
183 
184 /* Print commands in specified category */
185 static void
186 print_bthid_command(struct bthid_command *category)
187 {
188 	struct bthid_command	*c = NULL;
189 
190 	for (c = category; c->command != NULL; c++)
191 		fprintf(stdout, "\t%s\n", c->command);
192 } /* print_bthid_command */
193 
194 /* Usage */
195 static void
196 usage(void)
197 {
198 	fprintf(stderr,
199 "Usage: bthidcontrol options command\n" \
200 "Where options are:\n"
201 "	-a bdaddr	specify bdaddr\n" \
202 "	-c file		specify path to the bthidd config file\n" \
203 "	-H file		specify path to the bthidd HIDs file\n" \
204 "	-h		display usage and quit\n" \
205 "	command		one of the supported commands\n");
206 	exit(255);
207 } /* usage */
208 
209