profile.c revision 124758 
1/*
2 * profile.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: profile.c,v 1.6 2004/01/13 19:31:54 max Exp $
29 * $FreeBSD: head/usr.sbin/bluetooth/sdpd/profile.c 124758 2004-01-20 20:48:26Z emax $
30 */
31
32#include <sys/queue.h>
33#include <bluetooth.h>
34#include <sdp.h>
35#include <string.h>
36#include "profile.h"
37#include "provider.h"
38
39/*
40 * Lookup profile descriptor
41 */
42
43profile_p
44profile_get_descriptor(uint16_t uuid)
45{
46	extern	profile_t	dun_profile_descriptor;
47	extern	profile_t	ftrn_profile_descriptor;
48	extern	profile_t	irmc_profile_descriptor;
49	extern	profile_t	irmc_command_profile_descriptor;
50	extern	profile_t	lan_profile_descriptor;
51	extern	profile_t	opush_profile_descriptor;
52	extern	profile_t	sp_profile_descriptor;
53
54	static const profile_p	profiles[] = {
55		&dun_profile_descriptor,
56		&ftrn_profile_descriptor,
57		&irmc_profile_descriptor,
58		&irmc_command_profile_descriptor,
59		&lan_profile_descriptor,
60		&opush_profile_descriptor,
61		&sp_profile_descriptor
62	};
63
64	int32_t			i;
65
66	for (i = 0; i < sizeof(profiles)/sizeof(profiles[0]); i++)
67		if (profiles[i]->uuid == uuid)
68			return (profiles[i]);
69
70	return (NULL);
71}
72
73/*
74 * Look attribute in the profile descripror
75 */
76
77profile_attr_create_p
78profile_get_attr(const profile_p profile, uint16_t attr)
79{
80	attr_p	ad = (attr_p) profile->attrs;
81
82	for (; ad->create != NULL; ad ++)
83		if (ad->attr == attr)
84			return (ad->create);
85
86	return (NULL);
87}
88
89/*
90 * uint32 value32 - 5 bytes
91 */
92
93int32_t
94common_profile_create_service_record_handle(
95	uint8_t *buf, uint8_t const * const eob,
96	uint8_t const *data, uint32_t datalen)
97{
98	if (buf + 5 > eob)
99		return (-1);
100
101	SDP_PUT8(SDP_DATA_UINT32, buf);
102	SDP_PUT32(((provider_p) data)->handle, buf);
103
104	return (5);
105}
106
107/*
108 * seq8 len8			- 2 bytes
109 *	uuid16 value16		- 3 bytes
110 *	[ uuid16 value ]
111 */
112
113int32_t
114common_profile_create_service_class_id_list(
115		uint8_t *buf, uint8_t const * const eob,
116		uint8_t const *data, uint32_t datalen)
117{
118	int32_t	len = 3 * (datalen >>= 1);
119
120	if (len <= 0 || len > 0xff || buf + 2 + len > eob)
121		return (-1);
122
123	SDP_PUT8(SDP_DATA_SEQ8, buf);
124	SDP_PUT8(len, buf);
125
126	for (; datalen > 0; datalen --) {
127		SDP_PUT8(SDP_DATA_UUID16, buf);
128		SDP_PUT16(*((uint16_t const *)data)++, buf);
129	}
130
131	return (2 + len);
132}
133
134/*
135 * seq8 len8			- 2 bytes
136 *	seq 8 len8		- 2 bytes
137 *		uuid16 value16	- 3 bytes
138 *		uint16 value16	- 3 bytes
139 *	[ seq 8 len8
140 *		uuid16 value16
141 *		uint16 value16 ]
142 */
143
144int32_t
145common_profile_create_bluetooth_profile_descriptor_list(
146		uint8_t *buf, uint8_t const * const eob,
147		uint8_t const *data, uint32_t datalen)
148{
149	int32_t	len = 8 * (datalen >>= 2);
150
151	if (len <= 0 || len > 0xff || buf + 2 + len > eob)
152		return (-1);
153
154	SDP_PUT8(SDP_DATA_SEQ8, buf);
155	SDP_PUT8(len, buf);
156
157	for (; datalen > 0; datalen --) {
158		SDP_PUT8(SDP_DATA_SEQ8, buf);
159		SDP_PUT8(6, buf);
160		SDP_PUT8(SDP_DATA_UUID16, buf);
161		SDP_PUT16(*((uint16_t const *)data)++, buf);
162		SDP_PUT8(SDP_DATA_UINT16, buf);
163		SDP_PUT16(*((uint16_t const *)data)++, buf);
164	}
165
166	return (2 + len);
167}
168
169/*
170 * seq8 len8		- 2 bytes
171 *	uint16 value16	- 3 bytes
172 *	uint16 value16	- 3 bytes
173 *	uint16 value16	- 3 bytes
174 */
175
176int32_t
177common_profile_create_language_base_attribute_id_list(
178		uint8_t *buf, uint8_t const * const eob,
179		uint8_t const *data, uint32_t datalen)
180{
181	if (buf + 11 > eob)
182		return (-1);
183
184	SDP_PUT8(SDP_DATA_SEQ8, buf);
185	SDP_PUT8(9, buf);
186
187	/*
188	 * Language code per ISO 639:1988. Use "en".
189	 */
190
191	SDP_PUT8(SDP_DATA_UINT16, buf);
192	SDP_PUT16(((0x65 << 8) | 0x6e), buf);
193
194	/*
195	 * Encoding. Recommended is UTF-8. ISO639 UTF-8 MIBenum is 106
196	 * (http://www.iana.org/assignments/character-sets)
197	 */
198
199	SDP_PUT8(SDP_DATA_UINT16, buf);
200	SDP_PUT16(106, buf);
201
202	/*
203	 * Offset (Primary Language Base is 0x100)
204	 */
205
206	SDP_PUT8(SDP_DATA_UINT16, buf);
207	SDP_PUT16(SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID, buf);
208
209	return (11);
210}
211
212/*
213 * Common provider name is "FreeBSD"
214 */
215
216int32_t
217common_profile_create_service_provider_name(
218		uint8_t *buf, uint8_t const * const eob,
219		uint8_t const *data, uint32_t datalen)
220{
221	char	provider_name[] = "FreeBSD";
222
223	return (common_profile_create_string8(buf, eob,
224			(uint8_t const *) provider_name,
225			strlen(provider_name)));
226}
227
228/*
229 * str8 len8 string
230 */
231
232int32_t
233common_profile_create_string8(
234		uint8_t *buf, uint8_t const * const eob,
235		uint8_t const *data, uint32_t datalen)
236{
237	if (datalen == 0 || datalen > 0xff || buf + 2 + datalen > eob)
238		return (-1);
239
240	SDP_PUT8(SDP_DATA_STR8, buf);
241	SDP_PUT8(datalen, buf);
242	memcpy(buf, data, datalen);
243
244	return (2 + datalen);
245}
246
247/*
248 * seq8 len8			- 2 bytes
249 *	seq8 len8		- 2 bytes
250 *		uuid16 value16	- 3 bytes
251 *	seq8 len8		- 2 bytes
252 *		uuid16 value16	- 3 bytes
253 *		uint8 value8	- 2 bytes
254 */
255
256int32_t
257rfcomm_profile_create_protocol_descriptor_list(
258		uint8_t *buf, uint8_t const * const eob,
259		uint8_t const *data, uint32_t datalen)
260{
261	if (datalen != 1 || buf + 14 > eob)
262		return (-1);
263
264	SDP_PUT8(SDP_DATA_SEQ8, buf);
265	SDP_PUT8(12, buf);
266
267	SDP_PUT8(SDP_DATA_SEQ8, buf);
268	SDP_PUT8(3, buf);
269	SDP_PUT8(SDP_DATA_UUID16, buf);
270	SDP_PUT16(SDP_UUID_PROTOCOL_L2CAP, buf);
271
272	SDP_PUT8(SDP_DATA_SEQ8, buf);
273	SDP_PUT8(5, buf);
274	SDP_PUT8(SDP_DATA_UUID16, buf);
275	SDP_PUT16(SDP_UUID_PROTOCOL_RFCOMM, buf);
276	SDP_PUT8(SDP_DATA_UINT8, buf);
277	SDP_PUT8(*data, buf);
278
279	return (14);
280}
281
282/*
283 * seq8 len8			- 2 bytes
284 *	seq8 len8		- 2 bytes
285 *		uuid16 value16	- 3 bytes
286 *	seq8 len8		- 2 bytes
287 *		uuid16 value16	- 3 bytes
288 *		uint8 value8	- 2 bytes
289 *	seq8 len8		- 2 bytes
290 *		uuid16 value16	- 3 bytes
291 */
292
293int32_t
294obex_profile_create_protocol_descriptor_list(
295		uint8_t *buf, uint8_t const * const eob,
296		uint8_t const *data, uint32_t datalen)
297{
298	if (datalen != 1 || buf + 19 > eob)
299		return (-1);
300
301	SDP_PUT8(SDP_DATA_SEQ8, buf);
302	SDP_PUT8(17, buf);
303
304	SDP_PUT8(SDP_DATA_SEQ8, buf);
305	SDP_PUT8(3, buf);
306	SDP_PUT8(SDP_DATA_UUID16, buf);
307	SDP_PUT16(SDP_UUID_PROTOCOL_L2CAP, buf);
308
309	SDP_PUT8(SDP_DATA_SEQ8, buf);
310	SDP_PUT8(5, buf);
311	SDP_PUT8(SDP_DATA_UUID16, buf);
312	SDP_PUT16(SDP_UUID_PROTOCOL_RFCOMM, buf);
313	SDP_PUT8(SDP_DATA_UINT8, buf);
314	SDP_PUT8(*data, buf);
315
316	SDP_PUT8(SDP_DATA_SEQ8, buf);
317	SDP_PUT8(3, buf);
318	SDP_PUT8(SDP_DATA_UUID16, buf);
319	SDP_PUT16(SDP_UUID_PROTOCOL_OBEX, buf);
320
321	return (19);
322}
323
324/*
325 * seq8 len8
326 *	uint8 value8	- bytes
327 *	[ uint8 value 8 ]
328 */
329
330int32_t
331obex_profile_create_supported_formats_list(
332		uint8_t *buf, uint8_t const * const eob,
333		uint8_t const *data, uint32_t datalen)
334{
335	int32_t	len = 2 * datalen;
336
337	if (len <= 0 || len > 0xff || buf + 2 + len > eob)
338		return (-1);
339
340	SDP_PUT8(SDP_DATA_SEQ8, buf);
341	SDP_PUT8(len, buf);
342
343	for (; datalen > 0; datalen --) {
344		SDP_PUT8(SDP_DATA_UINT8, buf);
345		SDP_PUT8(*data++, buf);
346	}
347
348	return (2 + len);
349}
350
351/*
352 * verify server channel number (the first byte in the data)
353 */
354
355int32_t
356common_profile_server_channel_valid(uint8_t const *data, uint32_t datalen)
357{
358	if (data[0] < 1 || data[0] > 30)
359		return (0);
360
361	return (1);
362}
363
364/*
365 * verify server channel number and supported_formats_size
366 * sdp_opush_profile and sdp_irmc_profile
367 */
368
369int32_t
370obex_profile_data_valid(uint8_t const *data, uint32_t datalen)
371{
372	sdp_opush_profile_p	opush = (sdp_opush_profile_p) data;
373
374	if (opush->server_channel < 1 ||
375	    opush->server_channel > 30 ||
376	    opush->supported_formats_size == 0 ||
377	    opush->supported_formats_size > sizeof(opush->supported_formats))
378		return (0);
379
380	return (1);
381}
382
383