xref: /freebsd/usr.sbin/bluetooth/bthidcontrol/bthidcontrol.c (revision 031beb4e239bfce798af17f5fe8dba8bcaf13d99)
1 /*-
2  * bthidcontrol.c
3  *
4  * SPDX-License-Identifier: BSD-2-Clause
5  *
6  * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com>
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $Id: bthidcontrol.c,v 1.2 2004/02/13 21:44:41 max Exp $
31  */
32 
33 #include <sys/queue.h>
34 #include <assert.h>
35 #define L2CAP_SOCKET_CHECKED
36 #include <bluetooth.h>
37 #include <err.h>
38 #include <errno.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <unistd.h>
43 #include <usbhid.h>
44 #include "bthid_config.h"
45 #include "bthidcontrol.h"
46 
47 static int do_bthid_command(bdaddr_p bdaddr, int argc, char **argv);
48 static struct bthid_command * find_bthid_command(char const *command, struct bthid_command *category);
49 static void print_bthid_command(struct bthid_command *category);
50 static void usage(void) __dead2;
51 
52 int32_t hid_sdp_query(bdaddr_t const *local, bdaddr_t const *remote, int32_t *error);
53 
54 uint32_t verbose = 0;
55 
56 /*
57  * bthidcontrol
58  */
59 
60 int
61 main(int argc, char *argv[])
62 {
63 	bdaddr_t	bdaddr;
64 	int		opt;
65 
66 	hid_init(NULL);
67 	memcpy(&bdaddr, NG_HCI_BDADDR_ANY, sizeof(bdaddr));
68 
69 	while ((opt = getopt(argc, argv, "a:c:H:hv")) != -1) {
70 		switch (opt) {
71 		case 'a': /* bdaddr */
72 			if (!bt_aton(optarg, &bdaddr)) {
73 				struct hostent  *he = NULL;
74 
75 				if ((he = bt_gethostbyname(optarg)) == NULL)
76 					errx(1, "%s: %s", optarg, hstrerror(h_errno));
77 
78 				memcpy(&bdaddr, he->h_addr, sizeof(bdaddr));
79 			}
80 			break;
81 
82 		case 'c': /* config file */
83 			config_file = optarg;
84 			break;
85 
86 		case 'H': /* HIDs file */
87 			hids_file = optarg;
88 			break;
89 
90 		case 'v': /* verbose */
91 			verbose++;
92 			break;
93 
94 		case 'h':
95 		default:
96 			usage();
97 			/* NOT REACHED */
98 		}
99 	}
100 
101 	argc -= optind;
102 	argv += optind;
103 
104 	if (*argv == NULL)
105 		usage();
106 
107 	return (do_bthid_command(&bdaddr, argc, argv));
108 } /* main */
109 
110 /* Execute commands */
111 static int
112 do_bthid_command(bdaddr_p bdaddr, int argc, char **argv)
113 {
114 	char			*cmd = argv[0];
115 	struct bthid_command	*c = NULL;
116 	int			 e, help;
117 
118 	help = 0;
119 	if (strcasecmp(cmd, "help") == 0) {
120 		argc --;
121 		argv ++;
122 
123 		if (argc <= 0) {
124 			fprintf(stdout, "Supported commands:\n");
125 			print_bthid_command(sdp_commands);
126 			print_bthid_command(hid_commands);
127 			fprintf(stdout, "\nFor more information use " \
128 					"'help command'\n");
129 
130 			return (OK);
131 		}
132 
133 		help = 1;
134 		cmd = argv[0];
135 	}
136 
137 	c = find_bthid_command(cmd, sdp_commands);
138 	if (c == NULL)
139 		c = find_bthid_command(cmd, hid_commands);
140 
141 	if (c == NULL) {
142 		fprintf(stdout, "Unknown command: \"%s\"\n", cmd);
143 		return (ERROR);
144 	}
145 
146 	if (!help)
147 		e = (c->handler)(bdaddr, -- argc, ++ argv);
148 	else
149 		e = USAGE;
150 
151 	switch (e) {
152 	case OK:
153 	case FAILED:
154 		break;
155 
156 	case ERROR:
157 		fprintf(stdout, "Could not execute command \"%s\". %s\n",
158 				cmd, strerror(errno));
159 		break;
160 
161 	case USAGE:
162 		fprintf(stdout, "Usage: %s\n%s\n", c->command, c->description);
163 		break;
164 
165 	default: assert(0); break;
166 	}
167 
168 	return (e);
169 } /* do_bthid_command */
170 
171 /* Try to find command in specified category */
172 static struct bthid_command *
173 find_bthid_command(char const *command, struct bthid_command *category)
174 {
175 	struct bthid_command	*c = NULL;
176 
177 	for (c = category; c->command != NULL; c++) {
178 		char	*c_end = strchr(c->command, ' ');
179 
180 		if (c_end != NULL) {
181 			int	len = c_end - c->command;
182 
183 			if (strncasecmp(command, c->command, len) == 0)
184 				return (c);
185 		} else if (strcasecmp(command, c->command) == 0)
186 				return (c);
187 	}
188 
189 	return (NULL);
190 } /* find_bthid_command */
191 
192 /* Print commands in specified category */
193 static void
194 print_bthid_command(struct bthid_command *category)
195 {
196 	struct bthid_command	*c = NULL;
197 
198 	for (c = category; c->command != NULL; c++)
199 		fprintf(stdout, "\t%s\n", c->command);
200 } /* print_bthid_command */
201 
202 /* Usage */
203 static void
204 usage(void)
205 {
206 	fprintf(stderr,
207 "Usage: bthidcontrol options command\n" \
208 "Where options are:\n"
209 "	-a bdaddr	specify bdaddr\n" \
210 "	-c file		specify path to the bthidd config file\n" \
211 "	-H file		specify path to the bthidd HIDs file\n" \
212 "	-h		display usage and quit\n" \
213 "	-v		be verbose\n" \
214 "	command		one of the supported commands\n");
215 	exit(255);
216 } /* usage */
217 
218