xref: /freebsd/lib/libsdp/sdp.h (revision 8aac90f18aef7c9eea906c3ff9a001ca7b94f375)
1 /*-
2  * sdp.h
3  *
4  * SPDX-License-Identifier: BSD-2-Clause
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  */
32 
33 #ifndef _SDP_H_
34 #define _SDP_H_
35 
36 __BEGIN_DECLS
37 
38 /*
39  * Data representation (page 349)
40  */
41 
42 /* Nil, the null type */
43 #define SDP_DATA_NIL					0x00
44 
45 /* Unsigned integer */
46 #define SDP_DATA_UINT8					0x08
47 #define SDP_DATA_UINT16					0x09
48 #define SDP_DATA_UINT32					0x0A
49 #define SDP_DATA_UINT64					0x0B
50 #define SDP_DATA_UINT128				0x0C
51 
52 /* Signed two's-complement integer */
53 #define SDP_DATA_INT8					0x10
54 #define SDP_DATA_INT16					0x11
55 #define SDP_DATA_INT32					0x12
56 #define SDP_DATA_INT64					0x13
57 #define SDP_DATA_INT128					0x14
58 
59 /* UUID, a universally unique identifier */
60 #define SDP_DATA_UUID16					0x19
61 #define SDP_DATA_UUID32					0x1A
62 #define SDP_DATA_UUID128				0x1C
63 
64 /* Text string */
65 #define SDP_DATA_STR8					0x25
66 #define SDP_DATA_STR16					0x26
67 #define SDP_DATA_STR32					0x27
68 
69 /* Boolean */
70 #define SDP_DATA_BOOL					0x28
71 
72 /*
73  * Data element sequence.
74  * A data element whose data field is a sequence of data elements
75  */
76 #define SDP_DATA_SEQ8					0x35
77 #define SDP_DATA_SEQ16					0x36
78 #define SDP_DATA_SEQ32					0x37
79 
80 /*
81  * Data element alternative.
82  * A data element whose data field is a sequence of data elements from
83  * which one data element is to be selected.
84  */
85 #define SDP_DATA_ALT8					0x3D
86 #define SDP_DATA_ALT16					0x3E
87 #define SDP_DATA_ALT32					0x3F
88 
89 /* URL, a uniform resource locator */
90 #define SDP_DATA_URL8					0x45
91 #define SDP_DATA_URL16					0x46
92 #define SDP_DATA_URL32					0x47
93 
94 /*
95  * Protocols UUID (short) https://www.bluetooth.org/assigned-numbers/service_discovery.php
96  * BASE UUID 00000000-0000-1000-8000-00805F9B34FB
97  */
98 
99 #define SDP_UUID_PROTOCOL_SDP				0x0001
100 #define SDP_UUID_PROTOCOL_UDP				0x0002
101 #define SDP_UUID_PROTOCOL_RFCOMM			0x0003
102 #define SDP_UUID_PROTOCOL_TCP				0x0004
103 #define SDP_UUID_PROTOCOL_TCS_BIN			0x0005
104 #define SDP_UUID_PROTOCOL_TCS_AT			0x0006
105 #define SDP_UUID_PROTOCOL_OBEX				0x0008
106 #define SDP_UUID_PROTOCOL_IP				0x0009
107 #define SDP_UUID_PROTOCOL_FTP				0x000A
108 #define SDP_UUID_PROTOCOL_HTTP				0x000C
109 #define SDP_UUID_PROTOCOL_WSP				0x000E
110 #define SDP_UUID_PROTOCOL_BNEP				0x000F
111 #define SDP_UUID_PROTOCOL_UPNP				0x0010
112 #define SDP_UUID_PROTOCOL_HIDP				0x0011
113 #define SDP_UUID_PROTOCOL_HARDCOPY_CONTROL_CHANNEL	0x0012
114 #define SDP_UUID_PROTOCOL_HARDCOPY_DATA_CHANNEL		0x0014
115 #define SDP_UUID_PROTOCOL_HARDCOPY_NOTIFICATION		0x0016
116 #define SDP_UUID_PROTOCOL_AVCTP				0x0017
117 #define SDP_UUID_PROTOCOL_AVDTP				0x0019
118 #define SDP_UUID_PROTOCOL_CMPT				0x001B
119 #define SDP_UUID_PROTOCOL_UDI_C_PLANE			0x001D
120 #define SDP_UUID_PROTOCOL_L2CAP				0x0100
121 
122 /*
123  * Service class IDs https://www.bluetooth.org/assigned-numbers/service_discovery.php
124  */
125 
126 #define SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER	0x1000
127 #define SDP_SERVICE_CLASS_BROWSE_GROUP_DESCRIPTOR	0x1001
128 #define SDP_SERVICE_CLASS_PUBLIC_BROWSE_GROUP		0x1002
129 #define SDP_SERVICE_CLASS_SERIAL_PORT			0x1101
130 #define SDP_SERVICE_CLASS_LAN_ACCESS_USING_PPP		0x1102
131 #define SDP_SERVICE_CLASS_DIALUP_NETWORKING		0x1103
132 #define SDP_SERVICE_CLASS_IR_MC_SYNC			0x1104
133 #define SDP_SERVICE_CLASS_OBEX_OBJECT_PUSH		0x1105
134 #define SDP_SERVICE_CLASS_OBEX_FILE_TRANSFER		0x1106
135 #define SDP_SERVICE_CLASS_IR_MC_SYNC_COMMAND		0x1107
136 #define SDP_SERVICE_CLASS_HEADSET			0x1108
137 #define SDP_SERVICE_CLASS_CORDLESS_TELEPHONY		0x1109
138 #define SDP_SERVICE_CLASS_AUDIO_SOURCE			0x110A
139 #define SDP_SERVICE_CLASS_AUDIO_SINK			0x110B
140 #define SDP_SERVICE_CLASS_AV_REMOTE_CONTROL_TARGET	0x110C
141 #define SDP_SERVICE_CLASS_ADVANCED_AUDIO_DISTRIBUTION	0x110D
142 #define SDP_SERVICE_CLASS_AV_REMOTE_CONTROL		0x110E
143 #define SDP_SERVICE_CLASS_VIDEO_CONFERENCING		0x110F
144 #define SDP_SERVICE_CLASS_INTERCOM			0x1110
145 #define SDP_SERVICE_CLASS_FAX				0x1111
146 #define SDP_SERVICE_CLASS_HEADSET_AUDIO_GATEWAY		0x1112
147 #define SDP_SERVICE_CLASS_WAP				0x1113
148 #define SDP_SERVICE_CLASS_WAP_CLIENT			0x1114
149 #define SDP_SERVICE_CLASS_PANU				0x1115
150 #define SDP_SERVICE_CLASS_NAP				0x1116
151 #define SDP_SERVICE_CLASS_GN				0x1117
152 #define SDP_SERVICE_CLASS_DIRECT_PRINTING		0x1118
153 #define SDP_SERVICE_CLASS_REFERENCE_PRINTING		0x1119
154 #define SDP_SERVICE_CLASS_IMAGING			0x111A
155 #define SDP_SERVICE_CLASS_IMAGING_RESPONDER		0x111B
156 #define SDP_SERVICE_CLASS_IMAGING_AUTOMATIC_ARCHIVE	0x111C
157 #define SDP_SERVICE_CLASS_IMAGING_REFERENCED_OBJECTS	0x111D
158 #define SDP_SERVICE_CLASS_HANDSFREE			0x111E
159 #define SDP_SERVICE_CLASS_HANDSFREE_AUDIO_GATEWAY	0x111F
160 #define SDP_SERVICE_CLASS_DIRECT_PRINTING_REFERENCE_OBJECTS	0x1120
161 #define SDP_SERVICE_CLASS_REFLECTED_UI			0x1121
162 #define SDP_SERVICE_CLASS_BASIC_PRINTING		0x1122
163 #define SDP_SERVICE_CLASS_PRINTING_STATUS		0x1123
164 #define SDP_SERVICE_CLASS_HUMAN_INTERFACE_DEVICE	0x1124
165 #define SDP_SERVICE_CLASS_HARDCOPY_CABLE_REPLACEMENT	0x1125
166 #define SDP_SERVICE_CLASS_HCR_PRINT			0x1126
167 #define SDP_SERVICE_CLASS_HCR_SCAN			0x1127
168 #define SDP_SERVICE_CLASS_COMMON_ISDN_ACCESS		0x1128
169 #define SDP_SERVICE_CLASS_VIDEO_CONFERENCING_GW		0x1129
170 #define SDP_SERVICE_CLASS_UDI_MT			0x112A
171 #define SDP_SERVICE_CLASS_UDI_TA			0x112B
172 #define SDP_SERVICE_CLASS_AUDIO_VIDEO			0x112C
173 #define SDP_SERVICE_CLASS_SIM_ACCESS			0x112D
174 #define SDP_SERVICE_CLASS_PHONEBOOK_ACCESS_PCE		0x112E
175 #define SDP_SERVICE_CLASS_PHONEBOOK_ACCESS_PSE		0x112F
176 #define SDP_SERVICE_CLASS_PHONEBOOK_ACCESS		0x1130
177 #define SDP_SERVICE_CLASS_PNP_INFORMATION		0x1200
178 #define SDP_SERVICE_CLASS_GENERIC_NETWORKING		0x1201
179 #define SDP_SERVICE_CLASS_GENERIC_FILE_TRANSFER		0x1202
180 #define SDP_SERVICE_CLASS_GENERIC_AUDIO			0x1203
181 #define SDP_SERVICE_CLASS_GENERIC_TELEPHONY		0x1204
182 #define SDP_SERVICE_CLASS_UPNP				0x1205
183 #define SDP_SERVICE_CLASS_UPNP_IP			0x1206
184 #define SDP_SERVICE_CLASS_ESDP_UPNP_IP_PAN		0x1300
185 #define SDP_SERVICE_CLASS_ESDP_UPNP_IP_LAP		0x1301
186 #define SDP_SERVICE_CLASS_ESDP_UPNP_L2CAP		0x1302
187 #define SDP_SERVICE_CLASS_VIDEO_SOURCE			0x1303
188 #define SDP_SERVICE_CLASS_VIDEO_SINK			0x1304
189 #define SDP_SERVICE_CLASS_VIDEO_DISTRIBUTION		0x1305
190 
191 /*
192  * Universal attribute definitions (page 366) and
193  * https://www.bluetooth.org/assigned-numbers/service_discovery.php
194  */
195 
196 #define SDP_ATTR_RANGE(lo, hi) \
197 	(uint32_t)(((uint16_t)(lo) << 16) | ((uint16_t)(hi)))
198 
199 #define SDP_ATTR_SERVICE_RECORD_HANDLE			0x0000
200 #define SDP_ATTR_SERVICE_CLASS_ID_LIST			0x0001
201 #define SDP_ATTR_SERVICE_RECORD_STATE			0x0002
202 #define SDP_ATTR_SERVICE_ID				0x0003
203 #define SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST		0x0004
204 #define SDP_ATTR_BROWSE_GROUP_LIST			0x0005
205 #define SDP_ATTR_LANGUAGE_BASE_ATTRIBUTE_ID_LIST	0x0006
206 #define SDP_ATTR_SERVICE_INFO_TIME_TO_LIVE		0x0007
207 #define SDP_ATTR_SERVICE_AVAILABILITY			0x0008
208 #define SDP_ATTR_BLUETOOTH_PROFILE_DESCRIPTOR_LIST	0x0009
209 #define SDP_ATTR_DOCUMENTATION_URL			0x000A
210 #define SDP_ATTR_CLIENT_EXECUTABLE_URL			0x000B
211 #define SDP_ATTR_ICON_URL				0x000C
212 #define SDP_ATTR_ADDITIONAL_PROTOCOL_DESCRIPTOR_LISTS	0x000D
213 #define SDP_ATTR_GROUP_ID				0x0200
214 #define SDP_ATTR_IP_SUBNET				0x0200
215 #define SDP_ATTR_VERSION_NUMBER_LIST			0x0200
216 #define SDP_ATTR_SERVICE_DATABASE_STATE			0x0201
217 #define SDP_ATTR_SERVICE_VERSION			0x0300
218 #define SDP_ATTR_EXTERNAL_NETWORK			0x0301
219 #define SDP_ATTR_NETWORK				0x0301
220 #define SDP_ATTR_SUPPORTED_DATA_STORES_LIST		0x0301
221 #define SDP_ATTR_FAX_CLASS1_SUPPORT			0x0302
222 #define SDP_ATTR_REMOTE_AUDIO_VOLUME_CONTROL		0x0302
223 #define SDP_ATTR_FAX_CLASS20_SUPPORT			0x0303
224 #define SDP_ATTR_SUPPORTED_FORMATS_LIST			0x0303
225 #define SDP_ATTR_FAX_CLASS2_SUPPORT			0x0304
226 #define SDP_ATTR_AUDIO_FEEDBACK_SUPPORT			0x0305
227 #define SDP_ATTR_NETWORK_ADDRESS			0x0306
228 #define SDP_ATTR_WAP_GATEWAY				0x0307
229 #define SDP_ATTR_HOME_PAGE_URL				0x0308
230 #define SDP_ATTR_WAP_STACK_TYPE				0x0309
231 #define SDP_ATTR_SECURITY_DESCRIPTION			0x030A
232 #define SDP_ATTR_NET_ACCESS_TYPE			0x030B
233 #define SDP_ATTR_MAX_NET_ACCESS_RATE			0x030C
234 #define SDP_ATTR_IPV4_SUBNET				0x030D
235 #define SDP_ATTR_IPV6_SUBNET				0x030E
236 #define SDP_ATTR_SUPPORTED_CAPABALITIES			0x0310
237 #define SDP_ATTR_SUPPORTED_FEATURES			0x0311
238 #define SDP_ATTR_SUPPORTED_FUNCTIONS			0x0312
239 #define SDP_ATTR_TOTAL_IMAGING_DATA_CAPACITY		0x0313
240 #define SDP_ATTR_SUPPORTED_REPOSITORIES			0x0314
241 
242 /*
243  * The offset must be added to the attribute ID base (contained in the
244  * LANGUAGE_BASE_ATTRIBUTE_ID_LIST attribute) in order to compute the
245  * attribute ID for these attributes.
246  */
247 
248 #define SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID		0x0100
249 #define SDP_ATTR_SERVICE_NAME_OFFSET			0x0000
250 #define SDP_ATTR_SERVICE_DESCRIPTION_OFFSET		0x0001
251 #define SDP_ATTR_PROVIDER_NAME_OFFSET			0x0002
252 
253 /*
254  * Protocol data unit (PDU) format (page 352)
255  */
256 
257 #define SDP_PDU_ERROR_RESPONSE				0x01
258 #define SDP_PDU_SERVICE_SEARCH_REQUEST			0x02
259 #define SDP_PDU_SERVICE_SEARCH_RESPONSE			0x03
260 #define SDP_PDU_SERVICE_ATTRIBUTE_REQUEST		0x04
261 #define SDP_PDU_SERVICE_ATTRIBUTE_RESPONSE		0x05
262 #define SDP_PDU_SERVICE_SEARCH_ATTRIBUTE_REQUEST	0x06
263 #define SDP_PDU_SERVICE_SEARCH_ATTRIBUTE_RESPONSE	0x07
264 
265 struct sdp_pdu {
266 	uint8_t		pid;	/* PDU ID - SDP_PDU_xxx */
267 	uint16_t	tid;	/* transaction ID */
268 	uint16_t	len;	/* parameters length (in bytes) */
269 } __attribute__ ((packed));
270 typedef struct sdp_pdu		sdp_pdu_t;
271 typedef struct sdp_pdu *	sdp_pdu_p;
272 
273 /*
274  * Error codes for SDP_PDU_ERROR_RESPONSE
275  */
276 
277 #define SDP_ERROR_CODE_INVALID_SDP_VERSION		0x0001
278 #define SDP_ERROR_CODE_INVALID_SERVICE_RECORD_HANDLE	0x0002
279 #define SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX		0x0003
280 #define SDP_ERROR_CODE_INVALID_PDU_SIZE			0x0004
281 #define SDP_ERROR_CODE_INVALID_CONTINUATION_STATE	0x0005
282 #define SDP_ERROR_CODE_INSUFFICIENT_RESOURCES		0x0006
283 
284 /*
285  * SDP int128/uint128 parameter
286  */
287 
288 struct int128 {
289 	int8_t	b[16];
290 };
291 typedef struct int128	int128_t;
292 typedef struct int128	uint128_t;
293 
294 /*
295  * SDP attribute
296  */
297 
298 struct sdp_attr {
299 	uint16_t	 flags;
300 #define SDP_ATTR_OK		(0 << 0)
301 #define SDP_ATTR_INVALID	(1 << 0)
302 #define SDP_ATTR_TRUNCATED	(1 << 1)
303 	uint16_t	 attr;  /* SDP_ATTR_xxx */
304 	uint32_t	 vlen;	/* length of the value[] in bytes */
305 	uint8_t		*value;	/* base pointer */
306 };
307 typedef struct sdp_attr		sdp_attr_t;
308 typedef struct sdp_attr *	sdp_attr_p;
309 
310 /******************************************************************************
311  * User interface
312  *****************************************************************************/
313 
314 /* Inline versions of get/put byte/short/long. Pointer is advanced */
315 #define SDP_GET8(b, cp) { \
316 	const uint8_t *t_cp = (const uint8_t *)(cp); \
317 	(b) = *t_cp; \
318 	(cp) ++; \
319 }
320 
321 #define SDP_GET16(s, cp) { \
322 	const uint8_t *t_cp = (const uint8_t *)(cp); \
323 	(s) = ((uint16_t)t_cp[0] << 8) \
324 	    | ((uint16_t)t_cp[1]) \
325 	    ; \
326 	(cp) += 2; \
327 }
328 
329 #define SDP_GET32(l, cp) { \
330 	const uint8_t *t_cp = (const uint8_t *)(cp); \
331 	(l) = ((uint32_t)t_cp[0] << 24) \
332 	    | ((uint32_t)t_cp[1] << 16) \
333 	    | ((uint32_t)t_cp[2] << 8) \
334 	    | ((uint32_t)t_cp[3]) \
335 	    ; \
336 	(cp) += 4; \
337 }
338 
339 #define SDP_GET64(l, cp) { \
340 	register uint8_t *t_cp = (uint8_t *)(cp); \
341 	(l) = ((uint64_t)t_cp[0] << 56) \
342 	    | ((uint64_t)t_cp[1] << 48) \
343 	    | ((uint64_t)t_cp[2] << 40) \
344 	    | ((uint64_t)t_cp[3] << 32) \
345 	    | ((uint64_t)t_cp[4] << 24) \
346 	    | ((uint64_t)t_cp[5] << 16) \
347 	    | ((uint64_t)t_cp[6] << 8) \
348 	    | ((uint64_t)t_cp[7]) \
349 	    ; \
350 	(cp) += 8; \
351 }
352 
353 #if BYTE_ORDER == LITTLE_ENDIAN
354 #define SDP_GET128(l, cp) { \
355 	register uint8_t *t_cp = (uint8_t *)(cp); \
356 	(l)->b[15] = *t_cp++; \
357 	(l)->b[14] = *t_cp++; \
358 	(l)->b[13] = *t_cp++; \
359 	(l)->b[12] = *t_cp++; \
360 	(l)->b[11] = *t_cp++; \
361 	(l)->b[10] = *t_cp++; \
362 	(l)->b[9]  = *t_cp++; \
363 	(l)->b[8]  = *t_cp++; \
364 	(l)->b[7]  = *t_cp++; \
365 	(l)->b[6]  = *t_cp++; \
366 	(l)->b[5]  = *t_cp++; \
367 	(l)->b[4]  = *t_cp++; \
368 	(l)->b[3]  = *t_cp++; \
369 	(l)->b[2]  = *t_cp++; \
370 	(l)->b[1]  = *t_cp++; \
371 	(l)->b[0]  = *t_cp++; \
372 	(cp) += 16; \
373 }
374 
375 #define SDP_GET_UUID128(l, cp) { \
376 	register uint8_t *t_cp = (uint8_t *)(cp); \
377 	(l)->b[0]  = *t_cp++; \
378 	(l)->b[1]  = *t_cp++; \
379 	(l)->b[2]  = *t_cp++; \
380 	(l)->b[3]  = *t_cp++; \
381 	(l)->b[4]  = *t_cp++; \
382 	(l)->b[5]  = *t_cp++; \
383 	(l)->b[6]  = *t_cp++; \
384 	(l)->b[7]  = *t_cp++; \
385 	(l)->b[8]  = *t_cp++; \
386 	(l)->b[9]  = *t_cp++; \
387 	(l)->b[10] = *t_cp++; \
388 	(l)->b[11] = *t_cp++; \
389 	(l)->b[12] = *t_cp++; \
390 	(l)->b[13] = *t_cp++; \
391 	(l)->b[14] = *t_cp++; \
392 	(l)->b[15] = *t_cp++; \
393 	(cp) += 16; \
394 }
395 #elif BYTE_ORDER == BIG_ENDIAN
396 #define SDP_GET128(l, cp) { \
397 	register uint8_t *t_cp = (uint8_t *)(cp); \
398 	(l)->b[0]  = *t_cp++; \
399 	(l)->b[1]  = *t_cp++; \
400 	(l)->b[2]  = *t_cp++; \
401 	(l)->b[3]  = *t_cp++; \
402 	(l)->b[4]  = *t_cp++; \
403 	(l)->b[5]  = *t_cp++; \
404 	(l)->b[6]  = *t_cp++; \
405 	(l)->b[7]  = *t_cp++; \
406 	(l)->b[8]  = *t_cp++; \
407 	(l)->b[9]  = *t_cp++; \
408 	(l)->b[10] = *t_cp++; \
409 	(l)->b[11] = *t_cp++; \
410 	(l)->b[12] = *t_cp++; \
411 	(l)->b[13] = *t_cp++; \
412 	(l)->b[14] = *t_cp++; \
413 	(l)->b[15] = *t_cp++; \
414 	(cp) += 16; \
415 }
416 
417 #define	SDP_GET_UUID128(l, cp)	SDP_GET128(l, cp)
418 #else
419 #error	"Unsupported BYTE_ORDER"
420 #endif /* BYTE_ORDER */
421 
422 #define SDP_PUT8(b, cp) { \
423 	register uint8_t t_b = (uint8_t)(b); \
424 	register uint8_t *t_cp = (uint8_t *)(cp); \
425 	*t_cp = t_b; \
426 	(cp) ++; \
427 }
428 
429 #define SDP_PUT16(s, cp) { \
430 	register uint16_t t_s = (uint16_t)(s); \
431 	register uint8_t *t_cp = (uint8_t *)(cp); \
432 	*t_cp++ = t_s >> 8; \
433 	*t_cp   = t_s; \
434 	(cp) += 2; \
435 }
436 
437 #define SDP_PUT32(l, cp) { \
438 	register uint32_t t_l = (uint32_t)(l); \
439 	register uint8_t *t_cp = (uint8_t *)(cp); \
440 	*t_cp++ = t_l >> 24; \
441 	*t_cp++ = t_l >> 16; \
442 	*t_cp++ = t_l >> 8; \
443 	*t_cp   = t_l; \
444 	(cp) += 4; \
445 }
446 
447 #define SDP_PUT64(l, cp) { \
448 	register uint64_t t_l = (uint64_t)(l); \
449 	register uint8_t *t_cp = (uint8_t *)(cp); \
450 	*t_cp++ = t_l >> 56; \
451 	*t_cp++ = t_l >> 48; \
452 	*t_cp++ = t_l >> 40; \
453 	*t_cp++ = t_l >> 32; \
454 	*t_cp++ = t_l >> 24; \
455 	*t_cp++ = t_l >> 16; \
456 	*t_cp++ = t_l >> 8; \
457 	*t_cp   = t_l; \
458 	(cp) += 8; \
459 }
460 
461 #if BYTE_ORDER == LITTLE_ENDIAN
462 #define SDP_PUT128(l, cp) { \
463 	register uint8_t *t_cp = (uint8_t *)(cp); \
464 	*t_cp++ = (l)->b[15]; \
465 	*t_cp++ = (l)->b[14]; \
466 	*t_cp++ = (l)->b[13]; \
467 	*t_cp++ = (l)->b[12]; \
468 	*t_cp++ = (l)->b[11]; \
469 	*t_cp++ = (l)->b[10]; \
470 	*t_cp++ = (l)->b[9];  \
471 	*t_cp++ = (l)->b[8];  \
472 	*t_cp++ = (l)->b[7];  \
473 	*t_cp++ = (l)->b[6];  \
474 	*t_cp++ = (l)->b[5];  \
475 	*t_cp++ = (l)->b[4];  \
476 	*t_cp++ = (l)->b[3];  \
477 	*t_cp++ = (l)->b[2];  \
478 	*t_cp++ = (l)->b[1];  \
479 	*t_cp   = (l)->b[0];  \
480 	(cp) += 16; \
481 }
482 
483 #define SDP_PUT_UUID128(l, cp) { \
484 	register uint8_t *t_cp = (uint8_t *)(cp); \
485 	*t_cp++ = (l)->b[0];  \
486 	*t_cp++ = (l)->b[1];  \
487 	*t_cp++ = (l)->b[2];  \
488 	*t_cp++ = (l)->b[3];  \
489 	*t_cp++ = (l)->b[4];  \
490 	*t_cp++ = (l)->b[5];  \
491 	*t_cp++ = (l)->b[6];  \
492 	*t_cp++ = (l)->b[7];  \
493 	*t_cp++ = (l)->b[8];  \
494 	*t_cp++ = (l)->b[9];  \
495 	*t_cp++ = (l)->b[10]; \
496 	*t_cp++ = (l)->b[11]; \
497 	*t_cp++ = (l)->b[12]; \
498 	*t_cp++ = (l)->b[13]; \
499 	*t_cp++ = (l)->b[14]; \
500 	*t_cp   = (l)->b[15]; \
501 	(cp) += 16; \
502 }
503 #elif BYTE_ORDER == BIG_ENDIAN
504 #define SDP_PUT128(l, cp) { \
505 	register uint8_t *t_cp = (uint8_t *)(cp); \
506 	*t_cp++ = (l)->b[0];  \
507 	*t_cp++ = (l)->b[1];  \
508 	*t_cp++ = (l)->b[2];  \
509 	*t_cp++ = (l)->b[3];  \
510 	*t_cp++ = (l)->b[4];  \
511 	*t_cp++ = (l)->b[5];  \
512 	*t_cp++ = (l)->b[6];  \
513 	*t_cp++ = (l)->b[7];  \
514 	*t_cp++ = (l)->b[8];  \
515 	*t_cp++ = (l)->b[9];  \
516 	*t_cp++ = (l)->b[10]; \
517 	*t_cp++ = (l)->b[11]; \
518 	*t_cp++ = (l)->b[12]; \
519 	*t_cp++ = (l)->b[13]; \
520 	*t_cp++ = (l)->b[14]; \
521 	*t_cp   = (l)->b[15]; \
522 	(cp) += 16; \
523 }
524 
525 #define SDP_PUT_UUID128(l, cp)	SDP_PUT128(l, cp)
526 #else
527 #error	"Unsupported BYTE_ORDER"
528 #endif /* BYTE_ORDER */
529 
530 void *             sdp_open       (bdaddr_t const *l, bdaddr_t const *r);
531 void *             sdp_open_local (char const *control);
532 int32_t            sdp_close      (void *xs);
533 int32_t            sdp_error      (void *xs);
534 int32_t            sdp_get_lcaddr (void *xs, bdaddr_t *l);
535 
536 int32_t            sdp_search     (void *xs,
537                                    uint32_t plen, uint16_t const *pp,
538                                    uint32_t alen, uint32_t const *ap,
539                                    uint32_t vlen, sdp_attr_t *vp);
540 
541 char const *	   sdp_attr2desc  (uint16_t attr);
542 char const *	   sdp_uuid2desc  (uint16_t uuid);
543 void               sdp_print      (uint32_t level, uint8_t const *start,
544                                    uint8_t const *end);
545 
546 /******************************************************************************
547  * sdpd interface and Bluetooth profiles data
548  *****************************************************************************/
549 
550 #define SDP_LOCAL_PATH	"/var/run/sdp"
551 #define SDP_LOCAL_MTU	4096
552 
553 /*
554  * These are NOT defined in spec and only accepted on control sockets.
555  * The response to these request always will be SDP_PDU_ERROR_RESPONSE.
556  * The first 2 bytes (after PDU header) is an error code (in network
557  * byte order). The rest of the data (pdu->len - 2) is a response data
558  * and depend on the request.
559  *
560  * SDP_PDU_SERVICE_REGISTER_REQUEST
561  * 	pdu_header_t	hdr;
562  *	u_int16_t	uuid;	service class UUID (network byte order)
563  *	bdaddr_t	bdaddr;	local BD_ADDR (or ANY)
564  *	profile data[pdu->len - sizeof(uuid) - sizeof(bdaddr)]
565  *
566  * in successful response additional data will contain 4 bytes record handle
567  *
568  *
569  * SDP_PDU_SERVICE_UNREGISTER_REQUEST
570  *	pdu_header_t	hdr;
571  *	u_int32_t	record_handle;	(network byte order)
572  *
573  * no additional data in response.
574  *
575  *
576  * SDP_PDU_SERVICE_CHANGE_REQUEST
577  * 	pdu_header_t	hdr;
578  *	u_int32_t	record_handle;	(network byte order)
579  *	profile data[pdu->len - sizeof(record_handle)]
580  *
581  * no additional data in response.
582  */
583 
584 #define SDP_PDU_SERVICE_REGISTER_REQUEST	0x81
585 #define SDP_PDU_SERVICE_UNREGISTER_REQUEST	0x82
586 #define SDP_PDU_SERVICE_CHANGE_REQUEST		0x83
587 
588 struct sdp_audio_sink_profile
589 {
590 	uint16_t psm;
591 	uint16_t protover;
592 	uint16_t features;
593 };
594 typedef struct sdp_audio_sink_profile	sdp_audio_sink_profile_t;
595 typedef struct sdp_audio_sink_profile	*sdp_audio_sink_profile_p;
596 
597 struct sdp_audio_source_profile
598 {
599 	uint16_t psm;
600 	uint16_t protover;
601 	uint16_t features;
602 };
603 typedef struct sdp_audio_source_profile	sdp_audio_source_profile_t;
604 typedef struct sdp_audio_source_profile *sdp_audio_source_profile_p;
605 
606 struct sdp_dun_profile
607 {
608 	uint8_t	server_channel;
609 	uint8_t	audio_feedback_support;
610 	uint8_t	reserved[2];
611 };
612 typedef struct sdp_dun_profile		sdp_dun_profile_t;
613 typedef struct sdp_dun_profile *	sdp_dun_profile_p;
614 
615 struct sdp_ftrn_profile
616 {
617 	uint8_t	server_channel;
618 	uint8_t	reserved[3];
619 };
620 typedef struct sdp_ftrn_profile		sdp_ftrn_profile_t;
621 typedef struct sdp_ftrn_profile *	sdp_ftrn_profile_p;
622 
623 /* Keep this in sync with sdp_opush_profile */
624 struct sdp_irmc_profile
625 {
626 	uint8_t	server_channel;
627 	uint8_t	supported_formats_size;
628 	uint8_t	supported_formats[30];
629 };
630 typedef struct sdp_irmc_profile		sdp_irmc_profile_t;
631 typedef struct sdp_irmc_profile *	sdp_irmc_profile_p;
632 
633 struct sdp_irmc_command_profile
634 {
635 	uint8_t	server_channel;
636 	uint8_t	reserved[3];
637 };
638 typedef struct sdp_irmc_command_profile		sdp_irmc_command_profile_t;
639 typedef struct sdp_irmc_command_profile *	sdp_irmc_command_profile_p;
640 
641 struct sdp_lan_profile
642 {
643 	uint8_t		server_channel;
644 	uint8_t		load_factor;
645 	uint8_t		reserved;
646 	uint8_t		ip_subnet_radius;
647 	uint32_t	ip_subnet;
648 };
649 typedef struct sdp_lan_profile		sdp_lan_profile_t;
650 typedef struct sdp_lan_profile *	sdp_lan_profile_p;
651 
652 /* Keep this in sync with sdp_irmc_profile */
653 struct sdp_opush_profile
654 {
655 	uint8_t	server_channel;
656 	uint8_t	supported_formats_size;
657 	uint8_t	supported_formats[30];
658 };
659 typedef struct sdp_opush_profile	sdp_opush_profile_t;
660 typedef struct sdp_opush_profile *	sdp_opush_profile_p;
661 
662 struct sdp_sp_profile
663 {
664 	uint8_t	server_channel;
665 	uint8_t	reserved[3];
666 };
667 typedef struct sdp_sp_profile	sdp_sp_profile_t;
668 typedef struct sdp_sp_profile *	sdp_sp_profile_p;
669 
670 struct sdp_nap_profile
671 {
672 	uint8_t		reserved;
673 	uint8_t		load_factor;
674 	uint16_t	psm;			/* HBO */
675 	uint16_t	security_description;	/* HBO */
676 	uint16_t	net_access_type;	/* HBO */
677 	uint32_t	max_net_access_rate;	/* HBO */
678 };
679 typedef struct sdp_nap_profile		sdp_nap_profile_t;
680 typedef struct sdp_nap_profile *	sdp_nap_profile_p;
681 
682 struct sdp_gn_profile
683 {
684 	uint8_t		reserved;
685 	uint8_t		load_factor;
686 	uint16_t	psm;			/* HBO */
687 	uint16_t	security_description;	/* HBO */
688 	uint16_t	reserved2;
689 };
690 typedef struct sdp_gn_profile		sdp_gn_profile_t;
691 typedef struct sdp_gn_profile *		sdp_gn_profile_p;
692 
693 struct sdp_panu_profile
694 {
695 	uint8_t		reserved;
696 	uint8_t		load_factor;
697 	uint16_t	psm;			/* HBO */
698 	uint16_t	security_description;	/* HBO */
699 	uint16_t	reserved2;
700 };
701 typedef struct sdp_panu_profile		sdp_panu_profile_t;
702 typedef struct sdp_panu_profile *	sdp_panu_profile_p;
703 
704 int32_t	sdp_register_service	(void *xss, uint16_t uuid,
705 				 bdaddr_p const bdaddr, uint8_t const *data,
706 				 uint32_t datalen, uint32_t *handle);
707 int32_t	sdp_unregister_service	(void *xss, uint32_t handle);
708 int32_t	sdp_change_service	(void *xss, uint32_t handle,
709 				 uint8_t const *data, uint32_t datalen);
710 
711 __END_DECLS
712 
713 #endif /* ndef _SDP_H_ */
714 
715