xref: /freebsd/lib/libsdp/sdp.h (revision 389e4940069316fe667ffa263fa7d6390d0a960f)
1 /*-
2  * sdp.h
3  *
4  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5  *
6  * Copyright (c) 2001-2003 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: sdp.h,v 1.3 2003/09/05 00:33:59 max Exp $
31  * $FreeBSD$
32  */
33 
34 #ifndef _SDP_H_
35 #define _SDP_H_
36 
37 __BEGIN_DECLS
38 
39 /*
40  * Data representation (page 349)
41  */
42 
43 /* Nil, the null type */
44 #define SDP_DATA_NIL					0x00
45 
46 /* Unsigned integer */
47 #define SDP_DATA_UINT8					0x08
48 #define SDP_DATA_UINT16					0x09
49 #define SDP_DATA_UINT32					0x0A
50 #define SDP_DATA_UINT64					0x0B
51 #define SDP_DATA_UINT128				0x0C
52 
53 /* Signed two's-complement integer */
54 #define SDP_DATA_INT8					0x10
55 #define SDP_DATA_INT16					0x11
56 #define SDP_DATA_INT32					0x12
57 #define SDP_DATA_INT64					0x13
58 #define SDP_DATA_INT128					0x14
59 
60 /* UUID, a universally unique identifier */
61 #define SDP_DATA_UUID16					0x19
62 #define SDP_DATA_UUID32					0x1A
63 #define SDP_DATA_UUID128				0x1C
64 
65 /* Text string */
66 #define SDP_DATA_STR8					0x25
67 #define SDP_DATA_STR16					0x26
68 #define SDP_DATA_STR32					0x27
69 
70 /* Boolean */
71 #define SDP_DATA_BOOL					0x28
72 
73 /*
74  * Data element sequence.
75  * A data element whose data field is a sequence of data elements
76  */
77 #define SDP_DATA_SEQ8					0x35
78 #define SDP_DATA_SEQ16					0x36
79 #define SDP_DATA_SEQ32					0x37
80 
81 /*
82  * Data element alternative.
83  * A data element whose data field is a sequence of data elements from
84  * which one data element is to be selected.
85  */
86 #define SDP_DATA_ALT8					0x3D
87 #define SDP_DATA_ALT16					0x3E
88 #define SDP_DATA_ALT32					0x3F
89 
90 /* URL, a uniform resource locator */
91 #define SDP_DATA_URL8					0x45
92 #define SDP_DATA_URL16					0x46
93 #define SDP_DATA_URL32					0x47
94 
95 /*
96  * Protocols UUID (short) https://www.bluetooth.org/assigned-numbers/service_discovery.php
97  * BASE UUID 00000000-0000-1000-8000-00805F9B34FB
98  */
99 
100 #define SDP_UUID_PROTOCOL_SDP				0x0001
101 #define SDP_UUID_PROTOCOL_UDP				0x0002
102 #define SDP_UUID_PROTOCOL_RFCOMM			0x0003
103 #define SDP_UUID_PROTOCOL_TCP				0x0004
104 #define SDP_UUID_PROTOCOL_TCS_BIN			0x0005
105 #define SDP_UUID_PROTOCOL_TCS_AT			0x0006
106 #define SDP_UUID_PROTOCOL_OBEX				0x0008
107 #define SDP_UUID_PROTOCOL_IP				0x0009
108 #define SDP_UUID_PROTOCOL_FTP				0x000A
109 #define SDP_UUID_PROTOCOL_HTTP				0x000C
110 #define SDP_UUID_PROTOCOL_WSP				0x000E
111 #define SDP_UUID_PROTOCOL_BNEP				0x000F
112 #define SDP_UUID_PROTOCOL_UPNP				0x0010
113 #define SDP_UUID_PROTOCOL_HIDP				0x0011
114 #define SDP_UUID_PROTOCOL_HARDCOPY_CONTROL_CHANNEL	0x0012
115 #define SDP_UUID_PROTOCOL_HARDCOPY_DATA_CHANNEL		0x0014
116 #define SDP_UUID_PROTOCOL_HARDCOPY_NOTIFICATION		0x0016
117 #define SDP_UUID_PROTOCOL_AVCTP				0x0017
118 #define SDP_UUID_PROTOCOL_AVDTP				0x0019
119 #define SDP_UUID_PROTOCOL_CMPT				0x001B
120 #define SDP_UUID_PROTOCOL_UDI_C_PLANE			0x001D
121 #define SDP_UUID_PROTOCOL_L2CAP				0x0100
122 
123 /*
124  * Service class IDs https://www.bluetooth.org/assigned-numbers/service_discovery.php
125  */
126 
127 #define SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER	0x1000
128 #define SDP_SERVICE_CLASS_BROWSE_GROUP_DESCRIPTOR	0x1001
129 #define SDP_SERVICE_CLASS_PUBLIC_BROWSE_GROUP		0x1002
130 #define SDP_SERVICE_CLASS_SERIAL_PORT			0x1101
131 #define SDP_SERVICE_CLASS_LAN_ACCESS_USING_PPP		0x1102
132 #define SDP_SERVICE_CLASS_DIALUP_NETWORKING		0x1103
133 #define SDP_SERVICE_CLASS_IR_MC_SYNC			0x1104
134 #define SDP_SERVICE_CLASS_OBEX_OBJECT_PUSH		0x1105
135 #define SDP_SERVICE_CLASS_OBEX_FILE_TRANSFER		0x1106
136 #define SDP_SERVICE_CLASS_IR_MC_SYNC_COMMAND		0x1107
137 #define SDP_SERVICE_CLASS_HEADSET			0x1108
138 #define SDP_SERVICE_CLASS_CORDLESS_TELEPHONY		0x1109
139 #define SDP_SERVICE_CLASS_AUDIO_SOURCE			0x110A
140 #define SDP_SERVICE_CLASS_AUDIO_SINK			0x110B
141 #define SDP_SERVICE_CLASS_AV_REMOTE_CONTROL_TARGET	0x110C
142 #define SDP_SERVICE_CLASS_ADVANCED_AUDIO_DISTRIBUTION	0x110D
143 #define SDP_SERVICE_CLASS_AV_REMOTE_CONTROL		0x110E
144 #define SDP_SERVICE_CLASS_VIDEO_CONFERENCING		0x110F
145 #define SDP_SERVICE_CLASS_INTERCOM			0x1110
146 #define SDP_SERVICE_CLASS_FAX				0x1111
147 #define SDP_SERVICE_CLASS_HEADSET_AUDIO_GATEWAY		0x1112
148 #define SDP_SERVICE_CLASS_WAP				0x1113
149 #define SDP_SERVICE_CLASS_WAP_CLIENT			0x1114
150 #define SDP_SERVICE_CLASS_PANU				0x1115
151 #define SDP_SERVICE_CLASS_NAP				0x1116
152 #define SDP_SERVICE_CLASS_GN				0x1117
153 #define SDP_SERVICE_CLASS_DIRECT_PRINTING		0x1118
154 #define SDP_SERVICE_CLASS_REFERENCE_PRINTING		0x1119
155 #define SDP_SERVICE_CLASS_IMAGING			0x111A
156 #define SDP_SERVICE_CLASS_IMAGING_RESPONDER		0x111B
157 #define SDP_SERVICE_CLASS_IMAGING_AUTOMATIC_ARCHIVE	0x111C
158 #define SDP_SERVICE_CLASS_IMAGING_REFERENCED_OBJECTS	0x111D
159 #define SDP_SERVICE_CLASS_HANDSFREE			0x111E
160 #define SDP_SERVICE_CLASS_HANDSFREE_AUDIO_GATEWAY	0x111F
161 #define SDP_SERVICE_CLASS_DIRECT_PRINTING_REFERENCE_OBJECTS	0x1120
162 #define SDP_SERVICE_CLASS_REFLECTED_UI			0x1121
163 #define SDP_SERVICE_CLASS_BASIC_PRINTING		0x1122
164 #define SDP_SERVICE_CLASS_PRINTING_STATUS		0x1123
165 #define SDP_SERVICE_CLASS_HUMAN_INTERFACE_DEVICE	0x1124
166 #define SDP_SERVICE_CLASS_HARDCOPY_CABLE_REPLACEMENT	0x1125
167 #define SDP_SERVICE_CLASS_HCR_PRINT			0x1126
168 #define SDP_SERVICE_CLASS_HCR_SCAN			0x1127
169 #define SDP_SERVICE_CLASS_COMMON_ISDN_ACCESS		0x1128
170 #define SDP_SERVICE_CLASS_VIDEO_CONFERENCING_GW		0x1129
171 #define SDP_SERVICE_CLASS_UDI_MT			0x112A
172 #define SDP_SERVICE_CLASS_UDI_TA			0x112B
173 #define SDP_SERVICE_CLASS_AUDIO_VIDEO			0x112C
174 #define SDP_SERVICE_CLASS_SIM_ACCESS			0x112D
175 #define SDP_SERVICE_CLASS_PHONEBOOK_ACCESS_PCE		0x112E
176 #define SDP_SERVICE_CLASS_PHONEBOOK_ACCESS_PSE		0x112F
177 #define SDP_SERVICE_CLASS_PHONEBOOK_ACCESS		0x1130
178 #define SDP_SERVICE_CLASS_PNP_INFORMATION		0x1200
179 #define SDP_SERVICE_CLASS_GENERIC_NETWORKING		0x1201
180 #define SDP_SERVICE_CLASS_GENERIC_FILE_TRANSFER		0x1202
181 #define SDP_SERVICE_CLASS_GENERIC_AUDIO			0x1203
182 #define SDP_SERVICE_CLASS_GENERIC_TELEPHONY		0x1204
183 #define SDP_SERVICE_CLASS_UPNP				0x1205
184 #define SDP_SERVICE_CLASS_UPNP_IP			0x1206
185 #define SDP_SERVICE_CLASS_ESDP_UPNP_IP_PAN		0x1300
186 #define SDP_SERVICE_CLASS_ESDP_UPNP_IP_LAP		0x1301
187 #define SDP_SERVICE_CLASS_ESDP_UPNP_L2CAP		0x1302
188 #define SDP_SERVICE_CLASS_VIDEO_SOURCE			0x1303
189 #define SDP_SERVICE_CLASS_VIDEO_SINK			0x1304
190 #define SDP_SERVICE_CLASS_VIDEO_DISTRIBUTION		0x1305
191 
192 /*
193  * Universal attribute definitions (page 366) and
194  * https://www.bluetooth.org/assigned-numbers/service_discovery.php
195  */
196 
197 #define SDP_ATTR_RANGE(lo, hi) \
198 	(uint32_t)(((uint16_t)(lo) << 16) | ((uint16_t)(hi)))
199 
200 #define SDP_ATTR_SERVICE_RECORD_HANDLE			0x0000
201 #define SDP_ATTR_SERVICE_CLASS_ID_LIST			0x0001
202 #define SDP_ATTR_SERVICE_RECORD_STATE			0x0002
203 #define SDP_ATTR_SERVICE_ID				0x0003
204 #define SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST		0x0004
205 #define SDP_ATTR_BROWSE_GROUP_LIST			0x0005
206 #define SDP_ATTR_LANGUAGE_BASE_ATTRIBUTE_ID_LIST	0x0006
207 #define SDP_ATTR_SERVICE_INFO_TIME_TO_LIVE		0x0007
208 #define SDP_ATTR_SERVICE_AVAILABILITY			0x0008
209 #define SDP_ATTR_BLUETOOTH_PROFILE_DESCRIPTOR_LIST	0x0009
210 #define SDP_ATTR_DOCUMENTATION_URL			0x000A
211 #define SDP_ATTR_CLIENT_EXECUTABLE_URL			0x000B
212 #define SDP_ATTR_ICON_URL				0x000C
213 #define SDP_ATTR_ADDITIONAL_PROTOCOL_DESCRIPTOR_LISTS	0x000D
214 #define SDP_ATTR_GROUP_ID				0x0200
215 #define SDP_ATTR_IP_SUBNET				0x0200
216 #define SDP_ATTR_VERSION_NUMBER_LIST			0x0200
217 #define SDP_ATTR_SERVICE_DATABASE_STATE			0x0201
218 #define SDP_ATTR_SERVICE_VERSION			0x0300
219 #define SDP_ATTR_EXTERNAL_NETWORK			0x0301
220 #define SDP_ATTR_NETWORK				0x0301
221 #define SDP_ATTR_SUPPORTED_DATA_STORES_LIST		0x0301
222 #define SDP_ATTR_FAX_CLASS1_SUPPORT			0x0302
223 #define SDP_ATTR_REMOTE_AUDIO_VOLUME_CONTROL		0x0302
224 #define SDP_ATTR_FAX_CLASS20_SUPPORT			0x0303
225 #define SDP_ATTR_SUPPORTED_FORMATS_LIST			0x0303
226 #define SDP_ATTR_FAX_CLASS2_SUPPORT			0x0304
227 #define SDP_ATTR_AUDIO_FEEDBACK_SUPPORT			0x0305
228 #define SDP_ATTR_NETWORK_ADDRESS			0x0306
229 #define SDP_ATTR_WAP_GATEWAY				0x0307
230 #define SDP_ATTR_HOME_PAGE_URL				0x0308
231 #define SDP_ATTR_WAP_STACK_TYPE				0x0309
232 #define SDP_ATTR_SECURITY_DESCRIPTION			0x030A
233 #define SDP_ATTR_NET_ACCESS_TYPE			0x030B
234 #define SDP_ATTR_MAX_NET_ACCESS_RATE			0x030C
235 #define SDP_ATTR_IPV4_SUBNET				0x030D
236 #define SDP_ATTR_IPV6_SUBNET				0x030E
237 #define SDP_ATTR_SUPPORTED_CAPABALITIES			0x0310
238 #define SDP_ATTR_SUPPORTED_FEATURES			0x0311
239 #define SDP_ATTR_SUPPORTED_FUNCTIONS			0x0312
240 #define SDP_ATTR_TOTAL_IMAGING_DATA_CAPACITY		0x0313
241 #define SDP_ATTR_SUPPORTED_REPOSITORIES			0x0314
242 
243 /*
244  * The offset must be added to the attribute ID base (contained in the
245  * LANGUAGE_BASE_ATTRIBUTE_ID_LIST attribute) in order to compute the
246  * attribute ID for these attributes.
247  */
248 
249 #define SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID		0x0100
250 #define SDP_ATTR_SERVICE_NAME_OFFSET			0x0000
251 #define SDP_ATTR_SERVICE_DESCRIPTION_OFFSET		0x0001
252 #define SDP_ATTR_PROVIDER_NAME_OFFSET			0x0002
253 
254 /*
255  * Protocol data unit (PDU) format (page 352)
256  */
257 
258 #define SDP_PDU_ERROR_RESPONSE				0x01
259 #define SDP_PDU_SERVICE_SEARCH_REQUEST			0x02
260 #define SDP_PDU_SERVICE_SEARCH_RESPONSE			0x03
261 #define SDP_PDU_SERVICE_ATTRIBUTE_REQUEST		0x04
262 #define SDP_PDU_SERVICE_ATTRIBUTE_RESPONSE		0x05
263 #define SDP_PDU_SERVICE_SEARCH_ATTRIBUTE_REQUEST	0x06
264 #define SDP_PDU_SERVICE_SEARCH_ATTRIBUTE_RESPONSE	0x07
265 
266 struct sdp_pdu {
267 	uint8_t		pid;	/* PDU ID - SDP_PDU_xxx */
268 	uint16_t	tid;	/* transaction ID */
269 	uint16_t	len;	/* parameters length (in bytes) */
270 } __attribute__ ((packed));
271 typedef struct sdp_pdu		sdp_pdu_t;
272 typedef struct sdp_pdu *	sdp_pdu_p;
273 
274 /*
275  * Error codes for SDP_PDU_ERROR_RESPONSE
276  */
277 
278 #define SDP_ERROR_CODE_INVALID_SDP_VERSION		0x0001
279 #define SDP_ERROR_CODE_INVALID_SERVICE_RECORD_HANDLE	0x0002
280 #define SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX		0x0003
281 #define SDP_ERROR_CODE_INVALID_PDU_SIZE			0x0004
282 #define SDP_ERROR_CODE_INVALID_CONTINUATION_STATE	0x0005
283 #define SDP_ERROR_CODE_INSUFFICIENT_RESOURCES		0x0006
284 
285 /*
286  * SDP int128/uint128 parameter
287  */
288 
289 struct int128 {
290 	int8_t	b[16];
291 };
292 typedef struct int128	int128_t;
293 typedef struct int128	uint128_t;
294 
295 /*
296  * SDP attribute
297  */
298 
299 struct sdp_attr {
300 	uint16_t	 flags;
301 #define SDP_ATTR_OK		(0 << 0)
302 #define SDP_ATTR_INVALID	(1 << 0)
303 #define SDP_ATTR_TRUNCATED	(1 << 1)
304 	uint16_t	 attr;  /* SDP_ATTR_xxx */
305 	uint32_t	 vlen;	/* length of the value[] in bytes */
306 	uint8_t		*value;	/* base pointer */
307 };
308 typedef struct sdp_attr		sdp_attr_t;
309 typedef struct sdp_attr *	sdp_attr_p;
310 
311 /******************************************************************************
312  * User interface
313  *****************************************************************************/
314 
315 /* Inline versions of get/put byte/short/long. Pointer is advanced */
316 #define SDP_GET8(b, cp) { \
317 	const uint8_t *t_cp = (const uint8_t *)(cp); \
318 	(b) = *t_cp; \
319 	(cp) ++; \
320 }
321 
322 #define SDP_GET16(s, cp) { \
323 	const uint8_t *t_cp = (const uint8_t *)(cp); \
324 	(s) = ((uint16_t)t_cp[0] << 8) \
325 	    | ((uint16_t)t_cp[1]) \
326 	    ; \
327 	(cp) += 2; \
328 }
329 
330 #define SDP_GET32(l, cp) { \
331 	const uint8_t *t_cp = (const uint8_t *)(cp); \
332 	(l) = ((uint32_t)t_cp[0] << 24) \
333 	    | ((uint32_t)t_cp[1] << 16) \
334 	    | ((uint32_t)t_cp[2] << 8) \
335 	    | ((uint32_t)t_cp[3]) \
336 	    ; \
337 	(cp) += 4; \
338 }
339 
340 #define SDP_GET64(l, cp) { \
341 	register uint8_t *t_cp = (uint8_t *)(cp); \
342 	(l) = ((uint64_t)t_cp[0] << 56) \
343 	    | ((uint64_t)t_cp[1] << 48) \
344 	    | ((uint64_t)t_cp[2] << 40) \
345 	    | ((uint64_t)t_cp[3] << 32) \
346 	    | ((uint64_t)t_cp[4] << 24) \
347 	    | ((uint64_t)t_cp[5] << 16) \
348 	    | ((uint64_t)t_cp[6] << 8) \
349 	    | ((uint64_t)t_cp[7]) \
350 	    ; \
351 	(cp) += 8; \
352 }
353 
354 #if BYTE_ORDER == LITTLE_ENDIAN
355 #define SDP_GET128(l, cp) { \
356 	register uint8_t *t_cp = (uint8_t *)(cp); \
357 	(l)->b[15] = *t_cp++; \
358 	(l)->b[14] = *t_cp++; \
359 	(l)->b[13] = *t_cp++; \
360 	(l)->b[12] = *t_cp++; \
361 	(l)->b[11] = *t_cp++; \
362 	(l)->b[10] = *t_cp++; \
363 	(l)->b[9]  = *t_cp++; \
364 	(l)->b[8]  = *t_cp++; \
365 	(l)->b[7]  = *t_cp++; \
366 	(l)->b[6]  = *t_cp++; \
367 	(l)->b[5]  = *t_cp++; \
368 	(l)->b[4]  = *t_cp++; \
369 	(l)->b[3]  = *t_cp++; \
370 	(l)->b[2]  = *t_cp++; \
371 	(l)->b[1]  = *t_cp++; \
372 	(l)->b[0]  = *t_cp++; \
373 	(cp) += 16; \
374 }
375 
376 #define SDP_GET_UUID128(l, cp) { \
377 	register uint8_t *t_cp = (uint8_t *)(cp); \
378 	(l)->b[0]  = *t_cp++; \
379 	(l)->b[1]  = *t_cp++; \
380 	(l)->b[2]  = *t_cp++; \
381 	(l)->b[3]  = *t_cp++; \
382 	(l)->b[4]  = *t_cp++; \
383 	(l)->b[5]  = *t_cp++; \
384 	(l)->b[6]  = *t_cp++; \
385 	(l)->b[7]  = *t_cp++; \
386 	(l)->b[8]  = *t_cp++; \
387 	(l)->b[9]  = *t_cp++; \
388 	(l)->b[10] = *t_cp++; \
389 	(l)->b[11] = *t_cp++; \
390 	(l)->b[12] = *t_cp++; \
391 	(l)->b[13] = *t_cp++; \
392 	(l)->b[14] = *t_cp++; \
393 	(l)->b[15] = *t_cp++; \
394 	(cp) += 16; \
395 }
396 #elif BYTE_ORDER == BIG_ENDIAN
397 #define SDP_GET128(l, cp) { \
398 	register uint8_t *t_cp = (uint8_t *)(cp); \
399 	(l)->b[0]  = *t_cp++; \
400 	(l)->b[1]  = *t_cp++; \
401 	(l)->b[2]  = *t_cp++; \
402 	(l)->b[3]  = *t_cp++; \
403 	(l)->b[4]  = *t_cp++; \
404 	(l)->b[5]  = *t_cp++; \
405 	(l)->b[6]  = *t_cp++; \
406 	(l)->b[7]  = *t_cp++; \
407 	(l)->b[8]  = *t_cp++; \
408 	(l)->b[9]  = *t_cp++; \
409 	(l)->b[10] = *t_cp++; \
410 	(l)->b[11] = *t_cp++; \
411 	(l)->b[12] = *t_cp++; \
412 	(l)->b[13] = *t_cp++; \
413 	(l)->b[14] = *t_cp++; \
414 	(l)->b[15] = *t_cp++; \
415 	(cp) += 16; \
416 }
417 
418 #define	SDP_GET_UUID128(l, cp)	SDP_GET128(l, cp)
419 #else
420 #error	"Unsupported BYTE_ORDER"
421 #endif /* BYTE_ORDER */
422 
423 #define SDP_PUT8(b, cp) { \
424 	register uint8_t t_b = (uint8_t)(b); \
425 	register uint8_t *t_cp = (uint8_t *)(cp); \
426 	*t_cp = t_b; \
427 	(cp) ++; \
428 }
429 
430 #define SDP_PUT16(s, cp) { \
431 	register uint16_t t_s = (uint16_t)(s); \
432 	register uint8_t *t_cp = (uint8_t *)(cp); \
433 	*t_cp++ = t_s >> 8; \
434 	*t_cp   = t_s; \
435 	(cp) += 2; \
436 }
437 
438 #define SDP_PUT32(l, cp) { \
439 	register uint32_t t_l = (uint32_t)(l); \
440 	register uint8_t *t_cp = (uint8_t *)(cp); \
441 	*t_cp++ = t_l >> 24; \
442 	*t_cp++ = t_l >> 16; \
443 	*t_cp++ = t_l >> 8; \
444 	*t_cp   = t_l; \
445 	(cp) += 4; \
446 }
447 
448 #define SDP_PUT64(l, cp) { \
449 	register uint64_t t_l = (uint64_t)(l); \
450 	register uint8_t *t_cp = (uint8_t *)(cp); \
451 	*t_cp++ = t_l >> 56; \
452 	*t_cp++ = t_l >> 48; \
453 	*t_cp++ = t_l >> 40; \
454 	*t_cp++ = t_l >> 32; \
455 	*t_cp++ = t_l >> 24; \
456 	*t_cp++ = t_l >> 16; \
457 	*t_cp++ = t_l >> 8; \
458 	*t_cp   = t_l; \
459 	(cp) += 8; \
460 }
461 
462 #if BYTE_ORDER == LITTLE_ENDIAN
463 #define SDP_PUT128(l, cp) { \
464 	register uint8_t *t_cp = (uint8_t *)(cp); \
465 	*t_cp++ = (l)->b[15]; \
466 	*t_cp++ = (l)->b[14]; \
467 	*t_cp++ = (l)->b[13]; \
468 	*t_cp++ = (l)->b[12]; \
469 	*t_cp++ = (l)->b[11]; \
470 	*t_cp++ = (l)->b[10]; \
471 	*t_cp++ = (l)->b[9];  \
472 	*t_cp++ = (l)->b[8];  \
473 	*t_cp++ = (l)->b[7];  \
474 	*t_cp++ = (l)->b[6];  \
475 	*t_cp++ = (l)->b[5];  \
476 	*t_cp++ = (l)->b[4];  \
477 	*t_cp++ = (l)->b[3];  \
478 	*t_cp++ = (l)->b[2];  \
479 	*t_cp++ = (l)->b[1];  \
480 	*t_cp   = (l)->b[0];  \
481 	(cp) += 16; \
482 }
483 
484 #define SDP_PUT_UUID128(l, cp) { \
485 	register uint8_t *t_cp = (uint8_t *)(cp); \
486 	*t_cp++ = (l)->b[0];  \
487 	*t_cp++ = (l)->b[1];  \
488 	*t_cp++ = (l)->b[2];  \
489 	*t_cp++ = (l)->b[3];  \
490 	*t_cp++ = (l)->b[4];  \
491 	*t_cp++ = (l)->b[5];  \
492 	*t_cp++ = (l)->b[6];  \
493 	*t_cp++ = (l)->b[7];  \
494 	*t_cp++ = (l)->b[8];  \
495 	*t_cp++ = (l)->b[9];  \
496 	*t_cp++ = (l)->b[10]; \
497 	*t_cp++ = (l)->b[11]; \
498 	*t_cp++ = (l)->b[12]; \
499 	*t_cp++ = (l)->b[13]; \
500 	*t_cp++ = (l)->b[14]; \
501 	*t_cp   = (l)->b[15]; \
502 	(cp) += 16; \
503 }
504 #elif BYTE_ORDER == BIG_ENDIAN
505 #define SDP_PUT128(l, cp) { \
506 	register uint8_t *t_cp = (uint8_t *)(cp); \
507 	*t_cp++ = (l)->b[0];  \
508 	*t_cp++ = (l)->b[1];  \
509 	*t_cp++ = (l)->b[2];  \
510 	*t_cp++ = (l)->b[3];  \
511 	*t_cp++ = (l)->b[4];  \
512 	*t_cp++ = (l)->b[5];  \
513 	*t_cp++ = (l)->b[6];  \
514 	*t_cp++ = (l)->b[7];  \
515 	*t_cp++ = (l)->b[8];  \
516 	*t_cp++ = (l)->b[9];  \
517 	*t_cp++ = (l)->b[10]; \
518 	*t_cp++ = (l)->b[11]; \
519 	*t_cp++ = (l)->b[12]; \
520 	*t_cp++ = (l)->b[13]; \
521 	*t_cp++ = (l)->b[14]; \
522 	*t_cp   = (l)->b[15]; \
523 	(cp) += 16; \
524 }
525 
526 #define SDP_PUT_UUID128(l, cp)	SDP_PUT128(l, cp)
527 #else
528 #error	"Unsupported BYTE_ORDER"
529 #endif /* BYTE_ORDER */
530 
531 void *             sdp_open       (bdaddr_t const *l, bdaddr_t const *r);
532 void *             sdp_open_local (char const *control);
533 int32_t            sdp_close      (void *xs);
534 int32_t            sdp_error      (void *xs);
535 int32_t            sdp_get_lcaddr (void *xs, bdaddr_t *l);
536 
537 int32_t            sdp_search     (void *xs,
538                                    uint32_t plen, uint16_t const *pp,
539                                    uint32_t alen, uint32_t const *ap,
540                                    uint32_t vlen, sdp_attr_t *vp);
541 
542 char const *	   sdp_attr2desc  (uint16_t attr);
543 char const *	   sdp_uuid2desc  (uint16_t uuid);
544 void               sdp_print      (uint32_t level, uint8_t const *start,
545                                    uint8_t const *end);
546 
547 /******************************************************************************
548  * sdpd interface and Bluetooth profiles data
549  *****************************************************************************/
550 
551 #define SDP_LOCAL_PATH	"/var/run/sdp"
552 #define SDP_LOCAL_MTU	4096
553 
554 /*
555  * These are NOT defined in spec and only accepted on control sockets.
556  * The response to these request always will be SDP_PDU_ERROR_RESPONSE.
557  * The first 2 bytes (after PDU header) is an error code (in network
558  * byte order). The rest of the data (pdu->len - 2) is a response data
559  * and depend on the request.
560  *
561  * SDP_PDU_SERVICE_REGISTER_REQUEST
562  * 	pdu_header_t	hdr;
563  *	u_int16_t	uuid;	service class UUID (network byte order)
564  *	bdaddr_t	bdaddr;	local BD_ADDR (or ANY)
565  *	profile data[pdu->len - sizeof(uuid) - sizeof(bdaddr)]
566  *
567  * in successful response additional data will contain 4 bytes record handle
568  *
569  *
570  * SDP_PDU_SERVICE_UNREGISTER_REQUEST
571  *	pdu_header_t	hdr;
572  *	u_int32_t	record_handle;	(network byte order)
573  *
574  * no additional data in response.
575  *
576  *
577  * SDP_PDU_SERVICE_CHANGE_REQUEST
578  * 	pdu_header_t	hdr;
579  *	u_int32_t	record_handle;	(network byte order)
580  *	profile data[pdu->len - sizeof(record_handle)]
581  *
582  * no additional data in response.
583  */
584 
585 #define SDP_PDU_SERVICE_REGISTER_REQUEST	0x81
586 #define SDP_PDU_SERVICE_UNREGISTER_REQUEST	0x82
587 #define SDP_PDU_SERVICE_CHANGE_REQUEST		0x83
588 
589 struct sdp_dun_profile
590 {
591 	uint8_t	server_channel;
592 	uint8_t	audio_feedback_support;
593 	uint8_t	reserved[2];
594 };
595 typedef struct sdp_dun_profile		sdp_dun_profile_t;
596 typedef struct sdp_dun_profile *	sdp_dun_profile_p;
597 
598 struct sdp_ftrn_profile
599 {
600 	uint8_t	server_channel;
601 	uint8_t	reserved[3];
602 };
603 typedef struct sdp_ftrn_profile		sdp_ftrn_profile_t;
604 typedef struct sdp_ftrn_profile *	sdp_ftrn_profile_p;
605 
606 /* Keep this in sync with sdp_opush_profile */
607 struct sdp_irmc_profile
608 {
609 	uint8_t	server_channel;
610 	uint8_t	supported_formats_size;
611 	uint8_t	supported_formats[30];
612 };
613 typedef struct sdp_irmc_profile		sdp_irmc_profile_t;
614 typedef struct sdp_irmc_profile *	sdp_irmc_profile_p;
615 
616 struct sdp_irmc_command_profile
617 {
618 	uint8_t	server_channel;
619 	uint8_t	reserved[3];
620 };
621 typedef struct sdp_irmc_command_profile		sdp_irmc_command_profile_t;
622 typedef struct sdp_irmc_command_profile *	sdp_irmc_command_profile_p;
623 
624 struct sdp_lan_profile
625 {
626 	uint8_t		server_channel;
627 	uint8_t		load_factor;
628 	uint8_t		reserved;
629 	uint8_t		ip_subnet_radius;
630 	uint32_t	ip_subnet;
631 };
632 typedef struct sdp_lan_profile		sdp_lan_profile_t;
633 typedef struct sdp_lan_profile *	sdp_lan_profile_p;
634 
635 /* Keep this in sync with sdp_irmc_profile */
636 struct sdp_opush_profile
637 {
638 	uint8_t	server_channel;
639 	uint8_t	supported_formats_size;
640 	uint8_t	supported_formats[30];
641 };
642 typedef struct sdp_opush_profile	sdp_opush_profile_t;
643 typedef struct sdp_opush_profile *	sdp_opush_profile_p;
644 
645 struct sdp_sp_profile
646 {
647 	uint8_t	server_channel;
648 	uint8_t	reserved[3];
649 };
650 typedef struct sdp_sp_profile	sdp_sp_profile_t;
651 typedef struct sdp_sp_profile *	sdp_sp_profile_p;
652 
653 struct sdp_nap_profile
654 {
655 	uint8_t		reserved;
656 	uint8_t		load_factor;
657 	uint16_t	psm;			/* HBO */
658 	uint16_t	security_description;	/* HBO */
659 	uint16_t	net_access_type;	/* HBO */
660 	uint32_t	max_net_access_rate;	/* HBO */
661 };
662 typedef struct sdp_nap_profile		sdp_nap_profile_t;
663 typedef struct sdp_nap_profile *	sdp_nap_profile_p;
664 
665 struct sdp_gn_profile
666 {
667 	uint8_t		reserved;
668 	uint8_t		load_factor;
669 	uint16_t	psm;			/* HBO */
670 	uint16_t	security_description;	/* HBO */
671 	uint16_t	reserved2;
672 };
673 typedef struct sdp_gn_profile		sdp_gn_profile_t;
674 typedef struct sdp_gn_profile *		sdp_gn_profile_p;
675 
676 struct sdp_panu_profile
677 {
678 	uint8_t		reserved;
679 	uint8_t		load_factor;
680 	uint16_t	psm;			/* HBO */
681 	uint16_t	security_description;	/* HBO */
682 	uint16_t	reserved2;
683 };
684 typedef struct sdp_panu_profile		sdp_panu_profile_t;
685 typedef struct sdp_panu_profile *	sdp_panu_profile_p;
686 
687 int32_t	sdp_register_service	(void *xss, uint16_t uuid,
688 				 bdaddr_p const bdaddr, uint8_t const *data,
689 				 uint32_t datalen, uint32_t *handle);
690 int32_t	sdp_unregister_service	(void *xss, uint32_t handle);
691 int32_t	sdp_change_service	(void *xss, uint32_t handle,
692 				 uint8_t const *data, uint32_t datalen);
693 
694 __END_DECLS
695 
696 #endif /* ndef _SDP_H_ */
697 
698