1/*
2 * l2cap.c
3 *
4 * Copyright (c) 2001-2002 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: l2cap.c,v 1.5 2003/05/16 19:52:37 max Exp $
29 * $FreeBSD$
30 */
31
32#include <sys/ioctl.h>
33#include <bluetooth.h>
34#include <errno.h>
35#include <stdio.h>
36#include <stdlib.h>
37#include <string.h>
38#include "l2control.h"
39
40#define	SIZE(x)	(sizeof((x))/sizeof((x)[0]))
41
42/* Print BDADDR */
43static char *
44bdaddrpr(bdaddr_t const *ba)
45{
46	extern int	 numeric_bdaddr;
47	static char	 str[24];
48	struct hostent	*he = NULL;
49
50	if (memcmp(ba, NG_HCI_BDADDR_ANY, sizeof(*ba)) == 0) {
51		str[0] = '*';
52		str[1] = 0;
53
54		return (str);
55	}
56
57	if (!numeric_bdaddr &&
58	    (he = bt_gethostbyaddr((char *)ba, sizeof(*ba), AF_BLUETOOTH)) != NULL) {
59		strlcpy(str, he->h_name, sizeof(str));
60
61		return (str);
62	}
63
64	bt_ntoa(ba, str);
65
66	return (str);
67} /* bdaddrpr */
68
69/* Send read_node_flags command to the node */
70static int
71l2cap_read_node_flags(int s, int argc, char **argv)
72{
73	struct ng_btsocket_l2cap_raw_node_flags	r;
74
75	memset(&r, 0, sizeof(r));
76	if (ioctl(s, SIOC_L2CAP_NODE_GET_FLAGS, &r, sizeof(r)) < 0)
77		return (ERROR);
78
79	fprintf(stdout, "Connectionless traffic flags:\n");
80	fprintf(stdout, "\tSDP: %s\n",
81		(r.flags & NG_L2CAP_CLT_SDP_DISABLED)? "disabled" : "enabled");
82	fprintf(stdout, "\tRFCOMM: %s\n",
83		(r.flags & NG_L2CAP_CLT_RFCOMM_DISABLED)? "disabled":"enabled");
84	fprintf(stdout, "\tTCP: %s\n",
85		(r.flags & NG_L2CAP_CLT_TCP_DISABLED)? "disabled" : "enabled");
86
87	return (OK);
88} /* l2cap_read_node_flags */
89
90/* Send read_debug_level command to the node */
91static int
92l2cap_read_debug_level(int s, int argc, char **argv)
93{
94	struct ng_btsocket_l2cap_raw_node_debug	r;
95
96	memset(&r, 0, sizeof(r));
97	if (ioctl(s, SIOC_L2CAP_NODE_GET_DEBUG, &r, sizeof(r)) < 0)
98		return (ERROR);
99
100	fprintf(stdout, "Debug level: %d\n", r.debug);
101
102	return (OK);
103} /* l2cap_read_debug_level */
104
105/* Send write_debug_level command to the node */
106static int
107l2cap_write_debug_level(int s, int argc, char **argv)
108{
109	struct ng_btsocket_l2cap_raw_node_debug	r;
110
111	memset(&r, 0, sizeof(r));
112	switch (argc) {
113	case 1:
114		r.debug = atoi(argv[0]);
115		break;
116
117	default:
118		return (USAGE);
119	}
120
121	if (ioctl(s, SIOC_L2CAP_NODE_SET_DEBUG, &r, sizeof(r)) < 0)
122		return (ERROR);
123
124	return (OK);
125} /* l2cap_write_debug_level */
126
127/* Send read_connection_list command to the node */
128static int
129l2cap_read_connection_list(int s, int argc, char **argv)
130{
131	static char const * const	state[] = {
132		/* NG_L2CAP_CON_CLOSED */	"CLOSED",
133		/* NG_L2CAP_W4_LP_CON_CFM */	"W4_LP_CON_CFM",
134		/* NG_L2CAP_CON_OPEN */		"OPEN"
135	};
136#define con_state2str(x)	((x) >= SIZE(state)? "UNKNOWN" : state[(x)])
137
138	struct ng_btsocket_l2cap_raw_con_list	r;
139	int					n, error = OK;
140
141	memset(&r, 0, sizeof(r));
142	r.num_connections = NG_L2CAP_MAX_CON_NUM;
143	r.connections = calloc(NG_L2CAP_MAX_CON_NUM,
144				sizeof(ng_l2cap_node_con_ep));
145	if (r.connections == NULL) {
146		errno = ENOMEM;
147		return (ERROR);
148	}
149
150	if (ioctl(s, SIOC_L2CAP_NODE_GET_CON_LIST, &r, sizeof(r)) < 0) {
151		error = ERROR;
152		goto out;
153	}
154
155	fprintf(stdout, "L2CAP connections:\n");
156	fprintf(stdout,
157"Remote BD_ADDR    Handle Flags Pending State\n");
158	for (n = 0; n < r.num_connections; n++) {
159		fprintf(stdout,
160			"%-17.17s " \
161			"%6d " \
162			"%c%c%c%c%c " \
163			"%7d " \
164			"%s\n",
165			bdaddrpr(&r.connections[n].remote),
166			r.connections[n].con_handle,
167			((r.connections[n].flags & NG_L2CAP_CON_OUTGOING)? 'O' : 'I'),
168			((r.connections[n].flags & NG_L2CAP_CON_LP_TIMO)? 'L' : ' '),
169			((r.connections[n].flags & NG_L2CAP_CON_AUTO_DISCON_TIMO)? 'D' : ' '),
170			((r.connections[n].flags & NG_L2CAP_CON_TX)? 'T' : ' '),
171			((r.connections[n].flags & NG_L2CAP_CON_RX)? 'R' : ' '),
172			r.connections[n].pending,
173			con_state2str(r.connections[n].state));
174	}
175out:
176	free(r.connections);
177
178	return (error);
179} /* l2cap_read_connection_list */
180
181/* Send read_channel_list command to the node */
182static int
183l2cap_read_channel_list(int s, int argc, char **argv)
184{
185	static char const * const	state[] = {
186		/* NG_L2CAP_CLOSED */			"CLOSED",
187		/* NG_L2CAP_W4_L2CAP_CON_RSP */		"W4_L2CAP_CON_RSP",
188		/* NG_L2CAP_W4_L2CA_CON_RSP */		"W4_L2CA_CON_RSP",
189		/* NG_L2CAP_CONFIG */			"CONFIG",
190		/* NG_L2CAP_OPEN */			"OPEN",
191		/* NG_L2CAP_W4_L2CAP_DISCON_RSP */	"W4_L2CAP_DISCON_RSP",
192		/* NG_L2CAP_W4_L2CA_DISCON_RSP */	"W4_L2CA_DISCON_RSP"
193	};
194#define ch_state2str(x)	((x) >= SIZE(state)? "UNKNOWN" : state[(x)])
195
196	struct ng_btsocket_l2cap_raw_chan_list	r;
197	int					n, error = OK;
198
199	memset(&r, 0, sizeof(r));
200	r.num_channels = NG_L2CAP_MAX_CHAN_NUM;
201	r.channels = calloc(NG_L2CAP_MAX_CHAN_NUM,
202				sizeof(ng_l2cap_node_chan_ep));
203	if (r.channels == NULL) {
204		errno = ENOMEM;
205		return (ERROR);
206	}
207
208	if (ioctl(s, SIOC_L2CAP_NODE_GET_CHAN_LIST, &r, sizeof(r)) < 0) {
209		error = ERROR;
210		goto out;
211	}
212
213	fprintf(stdout, "L2CAP channels:\n");
214	fprintf(stdout,
215"Remote BD_ADDR     SCID/ DCID   PSM  IMTU/ OMTU State\n");
216	for (n = 0; n < r.num_channels; n++) {
217		fprintf(stdout,
218			"%-17.17s " \
219			"%5d/%5d %5d " \
220			"%5d/%5d " \
221			"%s\n",
222			bdaddrpr(&r.channels[n].remote),
223			r.channels[n].scid, r.channels[n].dcid,
224			r.channels[n].psm, r.channels[n].imtu,
225			r.channels[n].omtu,
226			ch_state2str(r.channels[n].state));
227	}
228out:
229	free(r.channels);
230
231	return (error);
232} /* l2cap_read_channel_list */
233
234/* Send read_auto_disconnect_timeout command to the node */
235static int
236l2cap_read_auto_disconnect_timeout(int s, int argc, char **argv)
237{
238	struct ng_btsocket_l2cap_raw_auto_discon_timo	r;
239
240	memset(&r, 0, sizeof(r));
241	if (ioctl(s, SIOC_L2CAP_NODE_GET_AUTO_DISCON_TIMO, &r, sizeof(r)) < 0)
242		return (ERROR);
243
244	if (r.timeout != 0)
245		fprintf(stdout, "Auto disconnect timeout: %d sec\n", r.timeout);
246	else
247		fprintf(stdout, "Auto disconnect disabled\n");
248
249	return (OK);
250} /* l2cap_read_auto_disconnect_timeout */
251
252/* Send write_auto_disconnect_timeout command to the node */
253static int
254l2cap_write_auto_disconnect_timeout(int s, int argc, char **argv)
255{
256	struct ng_btsocket_l2cap_raw_auto_discon_timo	r;
257
258	memset(&r, 0, sizeof(r));
259	switch (argc) {
260	case 1:
261		r.timeout = atoi(argv[0]);
262		break;
263
264	default:
265		return (USAGE);
266	}
267
268	if (ioctl(s, SIOC_L2CAP_NODE_SET_AUTO_DISCON_TIMO, &r, sizeof(r)) < 0)
269		return (ERROR);
270
271	return (OK);
272} /* l2cap_write_auto_disconnect_timeout */
273
274struct l2cap_command	l2cap_commands[] = {
275{
276"read_node_flags",
277"Get L2CAP node flags",
278&l2cap_read_node_flags
279},
280{
281"read_debug_level",
282"Get L2CAP node debug level",
283&l2cap_read_debug_level
284},
285{
286"write_debug_level <level>",
287"Set L2CAP node debug level",
288&l2cap_write_debug_level
289},
290{
291"read_connection_list",
292"Read list of the L2CAP connections",
293&l2cap_read_connection_list
294},
295{
296"read_channel_list",
297"Read list of the L2CAP channels",
298&l2cap_read_channel_list
299},
300{
301"read_auto_disconnect_timeout",
302"Get L2CAP node auto disconnect timeout (in sec)",
303&l2cap_read_auto_disconnect_timeout
304},
305{
306"write_auto_disconnect_timeout <timeout>",
307"Set L2CAP node auto disconnect timeout (in sec)",
308&l2cap_write_auto_disconnect_timeout
309},
310{
311NULL,
312}};
313
314