xref: /netbsd-src/usr.bin/sdpquery/print.c (revision 0d34d14bb949d7e0fe657c29532de778397cd58d)
1 /*	$NetBSD: print.c,v 1.3 2009/07/25 17:32:47 plunky Exp $	*/
2 
3 /*-
4  * Copyright (c) 2009 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Iain Hibbert.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __RCSID("$NetBSD: print.c,v 1.3 2009/07/25 17:32:47 plunky Exp $");
34 
35 #include <ctype.h>
36 #include <iconv.h>
37 #include <langinfo.h>
38 #include <sdp.h>
39 #include <stdbool.h>
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <string.h>
43 #include <uuid.h>
44 #include <vis.h>
45 
46 #include "sdpquery.h"
47 
48 typedef struct {
49 	uint16_t	id;
50 	const char *	desc;
51 	void		(*print)(sdp_data_t *);
52 } attr_t;
53 
54 typedef struct {
55 	uint16_t	class;
56 	const char *	desc;
57 	attr_t *	attrs;
58 	size_t		nattr;
59 } service_t;
60 
61 typedef struct {
62 	uint16_t	base;
63 	const char *	codeset;
64 } language_t;
65 
66 static const char *string_uuid(uuid_t *);
67 static const char *string_vis(int, const char *, size_t);
68 
69 static void print_hexdump(const char *, const uint8_t *, size_t);
70 static bool print_attribute(uint16_t, sdp_data_t *, attr_t *, int);
71 static bool print_universal_attribute(uint16_t, sdp_data_t *);
72 static bool print_language_attribute(uint16_t, sdp_data_t *);
73 static bool print_service_attribute(uint16_t, sdp_data_t *);
74 
75 static void print_bool(sdp_data_t *);
76 static void print_uint8d(sdp_data_t *);
77 static void print_uint8x(sdp_data_t *);
78 static void print_uint16d(sdp_data_t *);
79 static void print_uint16x(sdp_data_t *);
80 static void print_uint32x(sdp_data_t *);
81 static void print_uint32d(sdp_data_t *);
82 static void print_uuid(sdp_data_t *);
83 static void print_uuid_list(sdp_data_t *);
84 static void print_string(sdp_data_t *);
85 static void print_url(sdp_data_t *);
86 static void print_profile_version(sdp_data_t *);
87 static void print_language_string(sdp_data_t *);
88 
89 static void print_service_class_id_list(sdp_data_t *);
90 static void print_protocol_descriptor(sdp_data_t *);
91 static void print_protocol_descriptor_list(sdp_data_t *);
92 static void print_language_base_attribute_id_list(sdp_data_t *);
93 static void print_service_availability(sdp_data_t *);
94 static void print_bluetooth_profile_descriptor_list(sdp_data_t *);
95 static void print_additional_protocol_descriptor_lists(sdp_data_t *);
96 static void print_sds_version_number_list(sdp_data_t *);
97 static void print_ct_network(sdp_data_t *);
98 static void print_asrc_features(sdp_data_t *);
99 static void print_asink_features(sdp_data_t *);
100 static void print_avrcp_features(sdp_data_t *);
101 static void print_supported_data_stores(sdp_data_t *);
102 static void print_supported_formats(sdp_data_t *);
103 static void print_hid_version(sdp_data_t *);
104 static void print_hid_device_subclass(sdp_data_t *);
105 static void print_hid_descriptor_list(sdp_data_t *);
106 static void print_security_description(sdp_data_t *);
107 static void print_hf_features(sdp_data_t *);
108 static void print_hfag_network(sdp_data_t *);
109 static void print_hfag_features(sdp_data_t *);
110 static void print_net_access_type(sdp_data_t *);
111 static void print_pnp_source(sdp_data_t *);
112 static void print_mas_types(sdp_data_t *);
113 
114 static void print_rfcomm(sdp_data_t *);
115 static void print_bnep(sdp_data_t *);
116 static void print_avctp(sdp_data_t *);
117 static void print_avdtp(sdp_data_t *);
118 static void print_l2cap(sdp_data_t *);
119 
120 attr_t protocol_list[] = {
121 	{ 0x0001, "SDP",				NULL },
122 	{ 0x0002, "UDP",				NULL },
123 	{ 0x0003, "RFCOMM",				print_rfcomm },
124 	{ 0x0004, "TCP",				NULL },
125 	{ 0x0005, "TCS_BIN",				NULL },
126 	{ 0x0006, "TCS_AT",				NULL },
127 	{ 0x0008, "OBEX",				NULL },
128 	{ 0x0009, "IP",					NULL },
129 	{ 0x000a, "FTP",				NULL },
130 	{ 0x000c, "HTTP",				NULL },
131 	{ 0x000e, "WSP",				NULL },
132 	{ 0x000f, "BNEP",				print_bnep },
133 	{ 0x0010, "UPNP",				NULL },
134 	{ 0x0011, "HIDP",				NULL },
135 	{ 0x0012, "HARDCOPY_CONTROL_CHANNEL",		NULL },
136 	{ 0x0014, "HARDCOPY_DATA_CHANNEL",		NULL },
137 	{ 0x0016, "HARDCOPY_NOTIFICATION",		NULL },
138 	{ 0x0017, "AVCTP",				print_avctp },
139 	{ 0x0019, "AVDTP",				print_avdtp },
140 	{ 0x001b, "CMTP",				NULL },
141 	{ 0x001d, "UDI_C_PLANE",			NULL },
142 	{ 0x001e, "MCAP_CONTROL_CHANNEL",		NULL },
143 	{ 0x001f, "MCAP_DATA_CHANNEL",			NULL },
144 	{ 0x0100, "L2CAP",				print_l2cap },
145 };
146 
147 attr_t universal_attrs[] = {
148 	{ 0x0000, "ServiceRecordHandle",		print_uint32x },
149 	{ 0x0001, "ServiceClassIDList",			print_service_class_id_list },
150 	{ 0x0002, "ServiceRecordState",			print_uint32x },
151 	{ 0x0003, "ServiceID",				print_uuid },
152 	{ 0x0004, "ProtocolDescriptorList",		print_protocol_descriptor_list },
153 	{ 0x0005, "BrowseGroupList",			print_uuid_list },
154 	{ 0x0006, "LanguageBaseAttributeIDList",	print_language_base_attribute_id_list },
155 	{ 0x0007, "ServiceInfoTimeToLive",		print_uint32d },
156 	{ 0x0008, "ServiceAvailability",		print_service_availability },
157 	{ 0x0009, "BluetoothProfileDescriptorList",	print_bluetooth_profile_descriptor_list },
158 	{ 0x000a, "DocumentationURL",			print_url },
159 	{ 0x000b, "ClientExecutableURL",		print_url },
160 	{ 0x000c, "IconURL",				print_url },
161 	{ 0x000d, "AdditionalProtocolDescriptorLists",	print_additional_protocol_descriptor_lists },
162 };
163 
164 attr_t language_attrs[] = { /* Language Attribute Offsets */
165 	{ 0x0000, "ServiceName",			print_language_string },
166 	{ 0x0001, "ServiceDescription",			print_language_string },
167 	{ 0x0002, "ProviderName",			print_language_string },
168 };
169 
170 attr_t sds_attrs[] = {	/* Service Discovery Server */
171 	{ 0x0200, "VersionNumberList",			print_sds_version_number_list },
172 	{ 0x0201, "ServiceDatabaseState",		print_uint32x },
173 };
174 
175 attr_t bgd_attrs[] = {	/* Browse Group Descriptor */
176 	{ 0x0200, "GroupID",				print_uuid },
177 };
178 
179 attr_t ct_attrs[] = { /* Cordless Telephony */
180 	{ 0x0301, "ExternalNetwork",			print_ct_network },
181 };
182 
183 attr_t asrc_attrs[] = { /* Audio Source */
184 	{ 0x0311, "SupportedFeatures",			print_asrc_features },
185 };
186 
187 attr_t asink_attrs[] = { /* Audio Sink */
188 	{ 0x0311, "SupportedFeatures",			print_asink_features },
189 };
190 
191 attr_t avrcp_attrs[] = { /* Audio Video Remote Control Profile */
192 	{ 0x0311, "SupportedFeatures",			print_avrcp_features },
193 };
194 
195 attr_t lan_attrs[] = {	/* LAN Access Using PPP */
196 	{ 0x0200, "IPSubnet",				print_string },
197 };
198 
199 attr_t dun_attrs[] = {	/* Dialup Networking */
200 	{ 0x0305, "AudioFeedbackSupport",		print_bool },
201 };
202 
203 attr_t irmc_sync_attrs[] = { /* IrMC Sync */
204 	{ 0x0301, "SupportedDataStoresList",		print_supported_data_stores },
205 };
206 
207 attr_t opush_attrs[] = { /* Object Push */
208 	{ 0x0303, "SupportedFormatsList",		print_supported_formats },
209 };
210 
211 attr_t hset_attrs[] = {	/* Headset */
212 	{ 0x0302, "RemoteAudioVolumeControl",		print_bool },
213 };
214 
215 attr_t fax_attrs[] = {	/* Fax */
216 	{ 0x0302, "FAXClass1",				print_bool },
217 	{ 0x0303, "FAXClass2.0",			print_bool },
218 	{ 0x0304, "FAXClass2",				print_bool },
219 	{ 0x0305, "AudioFeedbackSupport",		print_bool },
220 };
221 
222 attr_t panu_attrs[] = {	/* Personal Area Networking User */
223 	{ 0x030a, "SecurityDescription",		print_security_description },
224 };
225 
226 attr_t nap_attrs[] = {	/* Network Access Point */
227 	{ 0x030a, "SecurityDescription",		print_security_description },
228 	{ 0x030b, "NetAccessType",			print_net_access_type },
229 	{ 0x030c, "MaxNetAccessRate",			print_uint32d },
230 	{ 0x030d, "IPv4Subnet",				print_string },
231 	{ 0x030e, "IPv6Subnet",				print_string },
232 };
233 
234 attr_t gn_attrs[] = {	/* Group Network */
235 	{ 0x030a, "SecurityDescription",		print_security_description },
236 	{ 0x030d, "IPv4Subnet",				print_string },
237 	{ 0x030e, "IPv6Subnet",				print_string },
238 };
239 
240 attr_t hf_attrs[] = {	/* Handsfree */
241 	{ 0x0311, "SupportedFeatures",			print_hf_features },
242 };
243 
244 attr_t hfag_attrs[] = {	/* Handsfree Audio Gateway */
245 	{ 0x0301, "Network",				print_hfag_network },
246 	{ 0x0311, "SupportedFeatures",			print_hfag_features },
247 };
248 
249 attr_t hid_attrs[] = {	/* Human Interface Device */
250 	{ 0x0200, "HIDDeviceReleaseNumber",		print_hid_version },
251 	{ 0x0201, "HIDParserVersion",			print_hid_version },
252 	{ 0x0202, "HIDDeviceSubClass",			print_hid_device_subclass },
253 	{ 0x0203, "HIDCountryCode",			print_uint8x },
254 	{ 0x0204, "HIDVirtualCable",			print_bool },
255 	{ 0x0205, "HIDReconnectInitiate",		print_bool },
256 	{ 0x0206, "HIDDescriptorList",			print_hid_descriptor_list },
257 	{ 0x0207, "HIDLANGIDBaseList",			NULL },
258 	{ 0x0208, "HIDSDPDisable",			print_bool },
259 	{ 0x0209, "HIDBatteryPower",			print_bool },
260 	{ 0x020a, "HIDRemoteWake",			print_bool },
261 	{ 0x020b, "HIDProfileVersion",			print_profile_version },
262 	{ 0x020c, "HIDSupervisionTimeout",		print_uint16d },
263 	{ 0x020d, "HIDNormallyConnectable",		print_bool },
264 	{ 0x020e, "HIDBootDevice",			print_bool },
265 };
266 
267 attr_t pnp_attrs[] = {	/* Device ID */
268 	{ 0x0200, "SpecificationID",			print_profile_version },
269 	{ 0x0201, "VendorID",				print_uint16x },
270 	{ 0x0202, "ProductID",				print_uint16x },
271 	{ 0x0203, "Version",				print_hid_version },
272 	{ 0x0204, "PrimaryRecord",			print_bool },
273 	{ 0x0205, "VendorIDSource",			print_pnp_source },
274 };
275 
276 attr_t mas_attrs[] = {	/* Message Access Server */
277 	{ 0x0315, "InstanceID",				print_uint8d },
278 	{ 0x0316, "SupportedMessageTypes",		print_mas_types },
279 };
280 
281 #define A(a)	a, __arraycount(a)
282 service_t service_list[] = {
283 	{ 0x1000, "Service Discovery Server",		A(sds_attrs) },
284 	{ 0x1001, "Browse Group Descriptor",		A(bgd_attrs) },
285 	{ 0x1002, "Public Browse Root",			NULL, 0 },
286 	{ 0x1101, "Serial Port",			NULL, 0 },
287 	{ 0x1102, "LAN Access Using PPP",		A(lan_attrs) },
288 	{ 0x1103, "Dialup Networking",			A(dun_attrs) },
289 	{ 0x1104, "IrMC Sync",				A(irmc_sync_attrs) },
290 	{ 0x1105, "Object Push",			A(opush_attrs) },
291 	{ 0x1106, "File Transfer",			NULL, 0 },
292 	{ 0x1107, "IrMC Sync Command",			NULL, 0 },
293 	{ 0x1108, "Headset",				A(hset_attrs) },
294 	{ 0x1109, "Cordless Telephony",			A(ct_attrs) },
295 	{ 0x110a, "Audio Source",			A(asrc_attrs) },
296 	{ 0x110b, "Audio Sink",				A(asink_attrs) },
297 	{ 0x110c, "A/V Remote Control Target",		A(avrcp_attrs) },
298 	{ 0x110d, "Advanced Audio Distribution",	NULL, 0 },
299 	{ 0x110e, "A/V Remote Control",			A(avrcp_attrs) },
300 	{ 0x110f, "Video Conferencing",			NULL, 0 },
301 	{ 0x1110, "Intercom",				NULL, 0 },
302 	{ 0x1111, "Fax",				A(fax_attrs) },
303 	{ 0x1112, "Headset Audio Gateway",		NULL, 0 },
304 	{ 0x1113, "WAP",				NULL, 0 },
305 	{ 0x1114, "WAP Client",				NULL, 0 },
306 	{ 0x1115, "Personal Area Networking User",	A(panu_attrs) },
307 	{ 0x1116, "Network Access Point",		A(nap_attrs) },
308 	{ 0x1117, "Group Network",			A(gn_attrs) },
309 	{ 0x1118, "Direct Printing",			NULL, 0 },
310 	{ 0x1119, "Reference Printing",			NULL, 0 },
311 	{ 0x111a, "Imaging",				NULL, 0 },
312 	{ 0x111b, "Imaging Responder",			NULL, 0 },
313 	{ 0x111c, "Imaging Automatic Archive",		NULL, 0 },
314 	{ 0x111d, "Imaging Referenced Objects",		NULL, 0 },
315 	{ 0x111e, "Handsfree",				A(hf_attrs) },
316 	{ 0x111f, "Handsfree Audio Gateway",		A(hfag_attrs) },
317 	{ 0x1120, "Direct Printing Reference Objects",	NULL, 0 },
318 	{ 0x1121, "Reflected User Interface",		NULL, 0 },
319 	{ 0x1122, "Basic Printing",			NULL, 0 },
320 	{ 0x1123, "Printing Status",			NULL, 0 },
321 	{ 0x1124, "Human Interface Device",		A(hid_attrs) },
322 	{ 0x1125, "Hardcopy Cable Replacement",		NULL, 0 },
323 	{ 0x1126, "Hardcopy Cable Replacement Print",	NULL, 0 },
324 	{ 0x1127, "Hardcopy Cable Replacement Scan",	NULL, 0 },
325 	{ 0x1128, "Common ISDN Access",			NULL, 0 },
326 	{ 0x1129, "Video Conferencing GW",		NULL, 0 },
327 	{ 0x112a, "UDI MT",				NULL, 0 },
328 	{ 0x112b, "UDI TA",				NULL, 0 },
329 	{ 0x112c, "Audio/Video",			NULL, 0 },
330 	{ 0x112d, "SIM Access",				NULL, 0 },
331 	{ 0x112e, "Phonebook Access PCE",		NULL, 0 },
332 	{ 0x112f, "Phonebook Access PSE",		NULL, 0 },
333 	{ 0x1130, "Phonebook Access",			NULL, 0 },
334 	{ 0x1131, "Headset HS",				NULL, 0 },
335 	{ 0x1132, "Message Access Server",		A(mas_attrs) },
336 	{ 0x1133, "Message Notification Server",	NULL, 0 },
337 	{ 0x1134, "Message Access Profile",		NULL, 0 },
338 	{ 0x1200, "PNP Information",			A(pnp_attrs) },
339 	{ 0x1201, "Generic Networking",			NULL, 0 },
340 	{ 0x1202, "Generic File Transfer",		NULL, 0 },
341 	{ 0x1203, "Generic Audio",			NULL, 0 },
342 	{ 0x1204, "Generic Telephony",			NULL, 0 },
343 	{ 0x1205, "UPNP",				NULL, 0 },
344 	{ 0x1206, "UPNP IP",				NULL, 0 },
345 	{ 0x1300, "UPNP IP PAN",			NULL, 0 },
346 	{ 0x1301, "UPNP IP LAP",			NULL, 0 },
347 	{ 0x1302, "UPNP IP L2CAP",			NULL, 0 },
348 	{ 0x1303, "Video Source",			NULL, 0 },
349 	{ 0x1304, "Video Sink",				NULL, 0 },
350 	{ 0x1305, "Video Distribution",			NULL, 0 },
351 	{ 0x1400, "HDP",				NULL, 0 },
352 	{ 0x1401, "HDP Source",				NULL, 0 },
353 	{ 0x1402, "HDP Sink",				NULL, 0 },
354 };
355 #undef A
356 
357 /* extracted Service Class ID List */
358 #define MAX_SERVICES		16
359 static size_t nservices;
360 static uint16_t service_class[MAX_SERVICES];
361 
362 /* extracted Language Base Attribute ID List */
363 #define MAX_LANGUAGES		16
364 static int nlanguages;
365 static language_t language[MAX_LANGUAGES];
366 static int current;
367 
368 static bool
369 sdp_get_uint8(sdp_data_t *d, uint8_t *vp)
370 {
371 	uintmax_t v;
372 
373 	if (sdp_data_type(d) != SDP_DATA_UINT8
374 	    || !sdp_get_uint(d, &v))
375 		return false;
376 
377 	*vp = (uint8_t)v;
378 	return true;
379 }
380 
381 static bool
382 sdp_get_uint16(sdp_data_t *d, uint16_t *vp)
383 {
384 	uintmax_t v;
385 
386 	if (sdp_data_type(d) != SDP_DATA_UINT16
387 	    || !sdp_get_uint(d, &v))
388 		return false;
389 
390 	*vp = (uint16_t)v;
391 	return true;
392 }
393 
394 static bool
395 sdp_get_uint32(sdp_data_t *d, uint32_t *vp)
396 {
397 	uintmax_t v;
398 
399 	if (sdp_data_type(d) != SDP_DATA_UINT32
400 	    || !sdp_get_uint(d, &v))
401 		return false;
402 
403 	*vp = (uint32_t)v;
404 	return true;
405 }
406 
407 void
408 print_record(sdp_data_t *rec)
409 {
410 	sdp_data_t value;
411 	uint16_t id;
412 
413 	nservices = 0;
414 	nlanguages = 0;
415 	current = -1;
416 
417 	while (sdp_get_attr(rec, &id, &value)) {
418 		if (Xflag) {
419 			printf("AttributeID 0x%04x:\n", id);
420 			print_hexdump("     ", value.next, value.end - value.next);
421 		} else if (Rflag) {
422 			printf("AttributeID 0x%04x:\n", id);
423 			sdp_data_print(&value, 4);
424 		} else if (print_universal_attribute(id, &value)
425 		    || print_language_attribute(id, &value)
426 		    || print_service_attribute(id, &value)) {
427 			if (value.next != value.end)
428 			    printf("    [additional data ignored]\n");
429 		} else {
430 			printf("AttributeID 0x%04x:\n", id);
431 			sdp_data_print(&value, 4);
432 		}
433 	}
434 }
435 
436 static const char *
437 string_uuid(uuid_t *uuid)
438 {
439 	static char buf[64];
440 	const char *desc;
441 	uuid_t u;
442 	size_t i;
443 
444 	u = *uuid;
445 	u.time_low = 0;
446 	if (!uuid_equal(&u, &BLUETOOTH_BASE_UUID, NULL)) {
447 		snprintf(buf, sizeof(buf),
448 		    "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
449 		    uuid->time_low, uuid->time_mid, uuid->time_hi_and_version,
450 		    uuid->clock_seq_hi_and_reserved, uuid->clock_seq_low,
451 		    uuid->node[0], uuid->node[1], uuid->node[2],
452 		    uuid->node[3], uuid->node[4], uuid->node[5]);
453 
454 		return buf;
455 	}
456 
457 	desc = NULL;
458 	for (i = 0; i < __arraycount(service_list); i++) {
459 		if (uuid->time_low == service_list[i].class) {
460 			desc = service_list[i].desc;
461 			break;
462 		}
463 	}
464 
465 	for (i = 0; i < __arraycount(protocol_list); i++) {
466 		if (uuid->time_low == protocol_list[i].id) {
467 			desc = protocol_list[i].desc;
468 			break;
469 		}
470 	}
471 
472 	if (!Nflag && desc) {
473 		snprintf(buf, sizeof(buf), "%s", desc);
474 		return buf;
475 	}
476 
477 	snprintf(buf, sizeof(buf), "%s%s(0x%*.*x)",
478 	    (desc == NULL ? "" : desc),
479 	    (desc == NULL ? "" : " "),
480 	    (uuid->time_low > UINT16_MAX ? 8 : 4),
481 	    (uuid->time_low > UINT16_MAX ? 8 : 4),
482 	    uuid->time_low);
483 
484 	return buf;
485 }
486 
487 static const char *
488 string_vis(int style, const char *src, size_t len)
489 {
490 	static char buf[50];
491 	char *dst = buf;
492 
493 	style |= VIS_NL;
494 	while (len > 0 && (dst + 5) < (buf + sizeof(buf))) {
495 		dst = vis(dst, src[0], style, (len > 1 ? src[1] : 0));
496 		src++;
497 		len--;
498 	}
499 
500 	return buf;
501 }
502 
503 static void
504 print_hexdump(const char *title, const uint8_t *data, size_t len)
505 {
506 	int n, i;
507 
508 	i = 0;
509 	n = printf("%s", title);
510 
511 	while (len-- > 0) {
512 		if (++i > 8) {
513 			printf("\n%*s", n, "");
514 			i = 1;
515 		}
516 
517 		printf(" 0x%02x", *data++);
518 	}
519 
520 	printf("\n");
521 }
522 
523 static bool
524 print_attribute(uint16_t id, sdp_data_t *value, attr_t *attr, int count)
525 {
526 	int i;
527 
528 	for (i = 0; i < count; i++) {
529 		if (id == attr[i].id) {
530 			printf("%s", attr[i].desc);
531 
532 			if (Nflag) {
533 				printf(" (");
534 
535 				if (current != -1)
536 					printf("0x%04x + ", language[current].base);
537 
538 				printf("0x%04x)", id);
539 			}
540 
541 			printf(": ");
542 
543 			if (attr[i].print == NULL) {
544 				printf("\n");
545 				sdp_data_print(value, 4);
546 				value->next = value->end;
547 			} else {
548 				(attr[i].print)(value);
549 			}
550 
551 			return true;
552 		}
553 	}
554 
555 	return false;
556 }
557 
558 static bool
559 print_universal_attribute(uint16_t id, sdp_data_t *value)
560 {
561 
562 	return print_attribute(id, value,
563 	    universal_attrs, __arraycount(universal_attrs));
564 }
565 
566 static bool
567 print_language_attribute(uint16_t id, sdp_data_t *value)
568 {
569 	bool done = false;
570 
571 	for (current = 0; current < nlanguages && !done; current++)
572 		done = print_attribute(id - language[current].base, value,
573 		    language_attrs, __arraycount(language_attrs));
574 
575 	current = -1;
576 	return done;
577 }
578 
579 static bool
580 print_service_attribute(uint16_t id, sdp_data_t *value)
581 {
582 	size_t i, j;
583 
584 	for (i = 0; i < nservices; i++) {
585 		for (j = 0; j < __arraycount(service_list); j++) {
586 			if (service_class[i] == service_list[j].class)
587 				return print_attribute(id, value,
588 				    service_list[j].attrs,
589 				    service_list[j].nattr);
590 		}
591 	}
592 
593 	return false;
594 }
595 
596 static void
597 print_bool(sdp_data_t *data)
598 {
599 	bool v;
600 
601 	if (!sdp_get_bool(data, &v))
602 		return;
603 
604 	printf("%s\n", (v ? "true" : "false"));
605 }
606 
607 static void
608 print_uint8d(sdp_data_t *data)
609 {
610 	uint8_t v;
611 
612 	if (!sdp_get_uint8(data, &v))
613 		return;
614 
615 	printf("%d\n", v);
616 }
617 
618 static void
619 print_uint8x(sdp_data_t *data)
620 {
621 	uint8_t v;
622 
623 	if (!sdp_get_uint8(data, &v))
624 		return;
625 
626 	printf("0x%02x\n", v);
627 }
628 
629 static void
630 print_uint16d(sdp_data_t *data)
631 {
632 	uint16_t v;
633 
634 	if (!sdp_get_uint16(data, &v))
635 		return;
636 
637 	printf("%d\n", v);
638 }
639 
640 static void
641 print_uint16x(sdp_data_t *data)
642 {
643 	uint16_t v;
644 
645 	if (!sdp_get_uint16(data, &v))
646 		return;
647 
648 	printf("0x%04x\n", v);
649 }
650 
651 static void
652 print_uint32x(sdp_data_t *data)
653 {
654 	uint32_t v;
655 
656 	if (!sdp_get_uint32(data, &v))
657 		return;
658 
659 	printf("0x%08x\n", v);
660 }
661 
662 static void
663 print_uint32d(sdp_data_t *data)
664 {
665 	uint32_t v;
666 
667 	if (!sdp_get_uint32(data, &v))
668 		return;
669 
670 	printf("%d\n", v);
671 }
672 
673 static void
674 print_uuid(sdp_data_t *data)
675 {
676 	uuid_t uuid;
677 
678 	if (!sdp_get_uuid(data, &uuid))
679 		return;
680 
681 	printf("%s\n", string_uuid(&uuid));
682 }
683 
684 static void
685 print_uuid_list(sdp_data_t *data)
686 {
687 	sdp_data_t seq;
688 	uuid_t uuid;
689 
690 	if (!sdp_get_seq(data, &seq))
691 		return;
692 
693 	printf("\n");
694 	while (sdp_get_uuid(&seq, &uuid))
695 		printf("    %s\n", string_uuid(&uuid));
696 
697 	if (seq.next != seq.end)
698 		printf("    [additional data]\n");
699 }
700 
701 static void
702 print_string(sdp_data_t *data)
703 {
704 	char *str;
705 	size_t len;
706 
707 	if (!sdp_get_str(data, &str, &len))
708 		return;
709 
710 	printf("\"%s\"\n", string_vis(VIS_CSTYLE, str, len));
711 }
712 
713 static void
714 print_url(sdp_data_t *data)
715 {
716 	char *url;
717 	size_t len;
718 
719 	if (!sdp_get_url(data, &url, &len))
720 		return;
721 
722 	printf("\"%s\"\n", string_vis(VIS_HTTPSTYLE, url, len));
723 }
724 
725 static void
726 print_profile_version(sdp_data_t *data)
727 {
728 	uint16_t v;
729 
730 	if (!sdp_get_uint16(data, &v))
731 		return;
732 
733 	printf("v%d.%d\n", (v >> 8), (v & 0xff));
734 }
735 
736 /*
737  * This should only be called through print_language_attribute() which
738  * sets codeset of the string to be printed.
739  */
740 static void
741 print_language_string(sdp_data_t *data)
742 {
743 	char buf[50], *dst, *src;
744 	iconv_t ih;
745 	size_t n, srcleft, dstleft;
746 
747 	if (!sdp_get_str(data, &src, &srcleft))
748 		return;
749 
750 	dst = buf;
751 	dstleft = sizeof(buf);
752 
753 	ih = iconv_open(nl_langinfo(CODESET), language[current].codeset);
754 	if (ih == (iconv_t)-1) {
755 		printf("Can't convert %s string\n", language[current].codeset);
756 		return;
757 	}
758 
759 	n = iconv(ih, (const char **)&src, &srcleft, &dst, &dstleft);
760 
761 	iconv_close(ih);
762 
763 	if (Nflag || n > 0)
764 		printf("(%s) ", language[current].codeset);
765 
766 	printf("\"%.*s%s\n", (int)(sizeof(buf) - dstleft), buf,
767 	    (srcleft > 0 ? " ..." : "\""));
768 }
769 
770 static void
771 print_service_class_id_list(sdp_data_t *data)
772 {
773 	sdp_data_t seq;
774 	uuid_t uuid;
775 
776 	if (!sdp_get_seq(data, &seq))
777 		return;
778 
779 	printf("\n");
780 	while (sdp_get_uuid(&seq, &uuid)) {
781 		printf("    %s\n", string_uuid(&uuid));
782 
783 		if (nservices < MAX_SERVICES) {
784 			service_class[nservices] = uuid.time_low;
785 			uuid.time_low = 0;
786 			if (uuid_equal(&uuid, &BLUETOOTH_BASE_UUID, NULL))
787 				nservices++;
788 		}
789 	}
790 
791 	if (seq.next != seq.end)
792 		printf("    [additional data]\n");
793 }
794 
795 static void
796 print_protocol_descriptor(sdp_data_t *data)
797 {
798 	uuid_t u0, uuid;
799 	size_t i;
800 
801 	if (!sdp_get_uuid(data, &uuid))
802 		return;
803 
804 	u0 = uuid;
805 	u0.time_low = 0;
806 	if (uuid_equal(&u0, &BLUETOOTH_BASE_UUID, NULL)) {
807 		for (i = 0; i < __arraycount(protocol_list); i++) {
808 			if (uuid.time_low == protocol_list[i].id) {
809 				printf("    %s", protocol_list[i].desc);
810 
811 				if (Nflag)
812 					printf(" (0x%04x)", protocol_list[i].id);
813 
814 				if (protocol_list[i].print)
815 					(protocol_list[i].print)(data);
816 
817 				if (data->next != data->end)
818 					printf(" [additional data ignored]");
819 
820 				printf("\n");
821 				return;
822 			}
823 		}
824 	}
825 
826 	printf("    %s\n", string_uuid(&uuid));
827 	sdp_data_print(data, 4);
828 	data->next = data->end;
829 }
830 
831 static void
832 print_protocol_descriptor_list(sdp_data_t *data)
833 {
834 	sdp_data_t seq, proto;
835 
836 	printf("\n");
837 	sdp_get_alt(data, data);	/* strip [optional] alt header */
838 
839 	while (sdp_get_seq(data, &seq))
840 		while (sdp_get_seq(&seq, &proto))
841 			print_protocol_descriptor(&proto);
842 }
843 
844 static void
845 print_language_base_attribute_id_list(sdp_data_t *data)
846 {
847 	sdp_data_t list;
848 	uint16_t v;
849 	const char *codeset;
850 	char lang[2];
851 
852 	if (!sdp_get_seq(data, &list))
853 		return;
854 
855 	printf("\n");
856 	while (list.next < list.end) {
857 		/*
858 		 * ISO-639-1 natural language values are published at
859 		 *	http://www.loc.gov/standards/iso639-2/php/code-list.php
860 		 */
861 		if (!sdp_get_uint16(&list, &v))
862 			break;
863 
864 		be16enc(lang, v);
865 		if (!islower((int)lang[0]) || !islower((int)lang[1]))
866 			break;
867 
868 		/*
869 		 * MIBenum values are published at
870 		 *	http://www.iana.org/assignments/character-sets
871 		 */
872 		if (!sdp_get_uint16(&list, &v))
873 			break;
874 
875 		switch(v) {
876 		case 3:		codeset = "US-ASCII";		break;
877 		case 4:		codeset = "ISO-8859-1";		break;
878 		case 5:		codeset = "ISO-8859-2";		break;
879 		case 106:	codeset = "UTF-8";		break;
880 		case 1013:	codeset = "UTF-16BE";		break;
881 		case 1014:	codeset = "UTF-16LE";		break;
882 		default:	codeset = "Unknown";		break;
883 		}
884 
885 		if (!sdp_get_uint16(&list, &v))
886 			break;
887 
888 		printf("    %.2s.%s base 0x%04x\n", lang, codeset, v);
889 
890 		if (nlanguages < MAX_LANGUAGES) {
891 			language[nlanguages].base = v;
892 			language[nlanguages].codeset = codeset;
893 			nlanguages++;
894 		}
895 	}
896 
897 	if (list.next != list.end)
898 		printf("    [additional data]\n");
899 }
900 
901 static void
902 print_service_availability(sdp_data_t *data)
903 {
904 	uint8_t v;
905 
906 	if (!sdp_get_uint8(data, &v))
907 		return;
908 
909 	printf("%d/%d\n", v, UINT8_MAX);
910 }
911 
912 static void
913 print_bluetooth_profile_descriptor_list(sdp_data_t *data)
914 {
915 	sdp_data_t seq, profile;
916 	uuid_t uuid;
917 	uint16_t v;
918 
919 	if (!sdp_get_seq(data, &seq))
920 		return;
921 
922 	printf("\n");
923 	while (seq.next < seq.end) {
924 		if (!sdp_get_seq(&seq, &profile)
925 		    || !sdp_get_uuid(&profile, &uuid)
926 		    || !sdp_get_uint16(&profile, &v))
927 			break;
928 
929 		printf("    %s, v%d.%d", string_uuid(&uuid),
930 		    (v >> 8), (v & 0xff));
931 
932 		if (profile.next != profile.end)
933 			printf(" [additional profile data]");
934 
935 		printf("\n");
936 	}
937 
938 	if (seq.next != seq.end)
939 		printf("    [additional data]\n");
940 }
941 
942 static void
943 print_additional_protocol_descriptor_lists(sdp_data_t *data)
944 {
945 	sdp_data_t seq, stack, proto;
946 
947 	printf("\n");
948 	sdp_get_seq(data, &seq);
949 
950 	while (sdp_get_seq(&seq, &stack))
951 		while (sdp_get_seq(&stack, &proto))
952 			print_protocol_descriptor(&proto);
953 
954 	if (seq.next != seq.end)
955 		printf("    [additional data]\n");
956 }
957 
958 static void
959 print_sds_version_number_list(sdp_data_t *data)
960 {
961 	sdp_data_t list;
962 	const char *sep;
963 	uint16_t v;
964 
965 	if (!sdp_get_seq(data, &list))
966 		return;
967 
968 	sep = "";
969 	while (sdp_get_uint16(&list, &v)) {
970 		printf("%sv%d.%d", sep, (v >> 8), (v & 0xff));
971 		sep = ", ";
972 	}
973 
974 	if (list.next != list.end)
975 		printf(" [additional data]");
976 
977 	printf("\n");
978 }
979 
980 static void
981 print_ct_network(sdp_data_t *data)
982 {
983 	uint8_t v;
984 
985 	if (!sdp_get_uint8(data, &v))
986 		return;
987 
988 	switch (v) {
989 	case 0x01:	printf("PSTN");			break;
990 	case 0x02:	printf("ISDN");			break;
991 	case 0x03:	printf("GSM");			break;
992 	case 0x04:	printf("CDMA");			break;
993 	case 0x05:	printf("Analogue Cellular");	break;
994 	case 0x06:	printf("Packet Switched");	break;
995 	case 0x07:	printf("Other");		break;
996 	default:	printf("0x%02x", v);		break;
997 	}
998 
999 	printf("\n");
1000 }
1001 
1002 static void
1003 print_asrc_features(sdp_data_t *data)
1004 {
1005 	uint16_t v;
1006 
1007 	if (!sdp_get_uint16(data, &v))
1008 		return;
1009 
1010 	if (Nflag)
1011 		printf("(0x%04x)", v);
1012 
1013 	printf("\n");
1014 	if (v & (1<<0))	printf("    Player\n");
1015 	if (v & (1<<1))	printf("    Microphone\n");
1016 	if (v & (1<<2))	printf("    Tuner\n");
1017 	if (v & (1<<3))	printf("    Mixer\n");
1018 }
1019 
1020 static void
1021 print_asink_features(sdp_data_t *data)
1022 {
1023 	uint16_t v;
1024 
1025 	if (!sdp_get_uint16(data, &v))
1026 		return;
1027 
1028 	if (Nflag)
1029 		printf("(0x%04x)", v);
1030 
1031 	printf("\n");
1032 	if (v & (1<<0))	printf("    Headphone\n");
1033 	if (v & (1<<1))	printf("    Speaker\n");
1034 	if (v & (1<<2))	printf("    Recorder\n");
1035 	if (v & (1<<3))	printf("    Amplifier\n");
1036 }
1037 
1038 static void
1039 print_avrcp_features(sdp_data_t *data)
1040 {
1041 	uint16_t v;
1042 
1043 	if (!sdp_get_uint16(data, &v))
1044 		return;
1045 
1046 	if (Nflag)
1047 		printf("(0x%04x)", v);
1048 
1049 	printf("\n");
1050 	if (v & (1<<0))	printf("    Category 1\n");
1051 	if (v & (1<<1))	printf("    Category 2\n");
1052 	if (v & (1<<2))	printf("    Category 3\n");
1053 	if (v & (1<<3))	printf("    Category 4\n");
1054 }
1055 
1056 static void
1057 print_supported_data_stores(sdp_data_t *data)
1058 {
1059 	sdp_data_t list;
1060 	const char *sep;
1061 	uint8_t v;
1062 
1063 	if (!sdp_get_seq(data, &list))
1064 		return;
1065 
1066 	sep = "\n    ";
1067 	while (sdp_get_uint8(&list, &v)) {
1068 		printf(sep);
1069 		sep = ", ";
1070 
1071 		switch(v) {
1072 		case 0x01:	printf("Phonebook");	break;
1073 		case 0x03:	printf("Calendar");	break;
1074 		case 0x05:	printf("Notes");	break;
1075 		case 0x06:	printf("Messages");	break;
1076 		default:	printf("0x%02x", v);	break;
1077 		}
1078 	}
1079 
1080 	if (list.next != list.end)
1081 		printf("   [additional data]");
1082 
1083 	printf("\n");
1084 }
1085 
1086 static void
1087 print_supported_formats(sdp_data_t *data)
1088 {
1089 	sdp_data_t list;
1090 	const char *sep;
1091 	uint8_t v;
1092 
1093 	if (!sdp_get_seq(data, &list))
1094 		return;
1095 
1096 	sep = "\n    ";
1097 	while (sdp_get_uint8(&list, &v)) {
1098 		printf(sep);
1099 		sep = ", ";
1100 
1101 		switch(v) {
1102 		case 0x01:	printf("vCard 2.1");	break;
1103 		case 0x02:	printf("vCard 3.0");	break;
1104 		case 0x03:	printf("vCal 1.0");	break;
1105 		case 0x04:	printf("iCal 2.0");	break;
1106 		case 0x05:	printf("vNote");	break;
1107 		case 0x06:	printf("vMessage");	break;
1108 		case 0xff:	printf("Any");		break;
1109 		default:	printf("0x%02x", v);	break;
1110 		}
1111 	}
1112 
1113 	if (list.next != list.end)
1114 		printf("   [additional data]");
1115 
1116 	printf("\n");
1117 }
1118 
1119 static void
1120 print_hid_version(sdp_data_t *data)
1121 {
1122 	uint16_t v;
1123 
1124 	if (!sdp_get_uint16(data, &v))
1125 		return;
1126 
1127 	printf("v%d.%d.%d\n",
1128 	    ((v & 0xff00) >> 8), ((v & 0x00f0) >> 4), (v & 0x000f));
1129 }
1130 
1131 static void
1132 print_hid_device_subclass(sdp_data_t *data)
1133 {
1134 	uint8_t v;
1135 
1136 	if (!sdp_get_uint8(data, &v))
1137 		return;
1138 
1139 	switch ((v & 0x3c) >> 2) {
1140 	case 1:		printf("Joystick");		break;
1141 	case 2:		printf("Gamepad");		break;
1142 	case 3:		printf("Remote Control");	break;
1143 	case 4:		printf("Sensing Device");	break;
1144 	case 5:		printf("Digitiser Tablet");	break;
1145 	case 6:		printf("Card Reader");		break;
1146 	default:	printf("Peripheral");		break;
1147 	}
1148 
1149 	if (v & 0x40)	printf(" <Keyboard>");
1150 	if (v & 0x80)	printf(" <Mouse>");
1151 
1152 	printf("\n");
1153 }
1154 
1155 static void
1156 print_hid_descriptor_list(sdp_data_t *data)
1157 {
1158 	sdp_data_t list, seq;
1159 	uint8_t type;
1160 	const char *name;
1161 	char *str;
1162 	size_t len;
1163 
1164 
1165 	if (!sdp_get_seq(data, &list))
1166 		return;
1167 
1168 	printf("\n");
1169 	while (list.next < list.end) {
1170 		if (!sdp_get_seq(&list, &seq)
1171 		    || !sdp_get_uint8(&seq, &type)
1172 		    || !sdp_get_str(&seq, &str, &len))
1173 			return;
1174 
1175 		switch (type) {
1176 		case 0x22:	name = "Report";		break;
1177 		case 0x23:	name = "Physical Descriptor";	break;
1178 		default:	name = "";			break;
1179 		}
1180 
1181 		printf("    Type 0x%02x: %s\n", type, name);
1182 		print_hexdump("    Data", (uint8_t *)str, len);
1183 
1184 		if (seq.next != seq.end)
1185 			printf("    [additional data]\n");
1186 	}
1187 }
1188 
1189 static void
1190 print_security_description(sdp_data_t *data)
1191 {
1192 	uint16_t v;
1193 
1194 	if (!sdp_get_uint16(data, &v))
1195 		return;
1196 
1197 	switch (v) {
1198 	case 0x0000:	printf("None");				break;
1199 	case 0x0001:	printf("Service-level Security");	break;
1200 	case 0x0002:	printf("802.1x Security");		break;
1201 	default:	printf("0x%04x", v);			break;
1202 	}
1203 
1204 	printf("\n");
1205 }
1206 
1207 static void
1208 print_hf_features(sdp_data_t *data)
1209 {
1210 	uint16_t v;
1211 
1212 	if (!sdp_get_uint16(data, &v))
1213 		return;
1214 
1215 	if (Nflag)
1216 		printf("(0x%04x)", v);
1217 
1218 	printf("\n");
1219 	if (v & (1<<0))	printf("    Echo Cancellation/Noise Reduction\n");
1220 	if (v & (1<<1))	printf("    Call Waiting\n");
1221 	if (v & (1<<2))	printf("    Caller Line Identification\n");
1222 	if (v & (1<<3))	printf("    Voice Recognition\n");
1223 	if (v & (1<<4))	printf("    Volume Control\n");
1224 }
1225 
1226 static void
1227 print_hfag_network(sdp_data_t *data)
1228 {
1229 	uint8_t v;
1230 
1231 	if (!sdp_get_uint8(data, &v))
1232 		return;
1233 
1234 	switch (v) {
1235 	case 0x01:	printf("Ability to reject a call");	break;
1236 	case 0x02:	printf("No ability to reject a call");	break;
1237 	default:	printf("0x%02x", v);			break;
1238 	}
1239 
1240 	printf("\n");
1241 }
1242 
1243 static void
1244 print_hfag_features(sdp_data_t *data)
1245 {
1246 	uint16_t v;
1247 
1248 	if (!sdp_get_uint16(data, &v))
1249 		return;
1250 
1251 	if (Nflag)
1252 		printf("(0x%04x)", v);
1253 
1254 	printf("\n");
1255 	if (v & (1<<0))	printf("    3 Way Calling\n");
1256 	if (v & (1<<1))	printf("    Echo Cancellation/Noise Reduction\n");
1257 	if (v & (1<<2))	printf("    Voice Recognition\n");
1258 	if (v & (1<<3))	printf("    In-band Ring Tone\n");
1259 	if (v & (1<<4))	printf("    Voice Tags\n");
1260 }
1261 
1262 static void
1263 print_net_access_type(sdp_data_t *data)
1264 {
1265 	uint16_t v;
1266 
1267 	if (!sdp_get_uint16(data, &v))
1268 		return;
1269 
1270 	switch(v) {
1271 	case 0x0000:	printf("PSTN");			break;
1272 	case 0x0001:	printf("ISDN");			break;
1273 	case 0x0002:	printf("DSL");			break;
1274 	case 0x0003:	printf("Cable Modem");		break;
1275 	case 0x0004:	printf("10Mb Ethernet");	break;
1276 	case 0x0005:	printf("100Mb Ethernet");	break;
1277 	case 0x0006:	printf("4Mb Token Ring");	break;
1278 	case 0x0007:	printf("16Mb Token Ring");	break;
1279 	case 0x0008:	printf("100Mb Token Ring");	break;
1280 	case 0x0009:	printf("FDDI");			break;
1281 	case 0x000a:	printf("GSM");			break;
1282 	case 0x000b:	printf("CDMA");			break;
1283 	case 0x000c:	printf("GPRS");			break;
1284 	case 0x000d:	printf("3G Cellular");		break;
1285 	case 0xfffe:	printf("other");		break;
1286 	default:	printf("0x%04x", v);		break;
1287 	}
1288 
1289 	printf("\n");
1290 }
1291 
1292 static void
1293 print_pnp_source(sdp_data_t *data)
1294 {
1295 	uint16_t v;
1296 
1297 	if (!sdp_get_uint16(data, &v))
1298 		return;
1299 
1300 	switch (v) {
1301 	case 0x0001:	printf("Bluetooth SIG");		break;
1302 	case 0x0002:	printf("USB Implementers Forum");	break;
1303 	default:	printf("0x%04x", v);			break;
1304 	}
1305 
1306 	printf("\n");
1307 }
1308 
1309 static void
1310 print_mas_types(sdp_data_t *data)
1311 {
1312 	uint8_t v;
1313 
1314 	if (!sdp_get_uint8(data, &v))
1315 		return;
1316 
1317 	if (Nflag)
1318 		printf("(0x%02x)", v);
1319 
1320 	printf("\n");
1321 	if (v & (1<<0))	printf("    EMAIL\n");
1322 	if (v & (1<<1))	printf("    SMS_GSM\n");
1323 	if (v & (1<<2))	printf("    SMS_CDMA\n");
1324 	if (v & (1<<3))	printf("    MMS\n");
1325 }
1326 
1327 static void
1328 print_rfcomm(sdp_data_t *data)
1329 {
1330 	uint8_t v;
1331 
1332 	if (sdp_get_uint8(data, &v))
1333 		printf(" (channel %d)", v);
1334 }
1335 
1336 static void
1337 print_bnep(sdp_data_t *data)
1338 {
1339 	sdp_data_t seq;
1340 	uint16_t v;
1341 	const char *sep;
1342 
1343 	if (!sdp_get_uint16(data, &v)
1344 	    || !sdp_get_seq(data, &seq))
1345 		return;
1346 
1347 	printf(" (v%d.%d", (v >> 8), (v & 0xff));
1348 	sep = "; ";
1349 	while (sdp_get_uint16(&seq, &v)) {
1350 		printf(sep);
1351 		sep = ", ";
1352 
1353 		switch (v) {
1354 		case 0x0800:	printf("IPv4");		break;
1355 		case 0x0806:	printf("ARP");		break;
1356 		case 0x86dd:	printf("IPv6");		break;
1357 		default:	printf("0x%04x", v);	break;
1358 		}
1359 	}
1360 	printf(")");
1361 
1362 	if (seq.next != seq.end)
1363 		printf(" [additional data]");
1364 }
1365 
1366 static void
1367 print_avctp(sdp_data_t *data)
1368 {
1369 	uint16_t v;
1370 
1371 	if (sdp_get_uint16(data, &v))
1372 		printf(" (v%d.%d)", (v >> 8), (v & 0xff));
1373 }
1374 
1375 static void
1376 print_avdtp(sdp_data_t *data)
1377 {
1378 	uint16_t v;
1379 
1380 	if (sdp_get_uint16(data, &v))
1381 		printf(" (v%d.%d)", (v >> 8), (v & 0xff));
1382 }
1383 
1384 static void
1385 print_l2cap(sdp_data_t *data)
1386 {
1387 	uint16_t v;
1388 
1389 	if (sdp_get_uint16(data, &v))
1390 		printf(" (PSM 0x%04x)", v);
1391 }
1392