1 /*
2 *
3 * BlueZ - Bluetooth protocol stack for Linux
4 *
5 * Copyright (C) 2003-2010 Marcel Holtmann <marcel@holtmann.org>
6 *
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 *
22 */
23
24 #ifdef HAVE_CONFIG_H
25 #include <config.h>
26 #endif
27
28 #include <stdio.h>
29 #include <errno.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <syslog.h>
33 #include <limits.h>
34 #include <sys/stat.h>
35 #include <sys/socket.h>
36
37 #include <bluetooth/bluetooth.h>
38 #include <bluetooth/l2cap.h>
39 #include <bluetooth/sdp.h>
40 #include <bluetooth/sdp_lib.h>
41 #include <bluetooth/hidp.h>
42 #include <bluetooth/bnep.h>
43
44 #include "textfile.h"
45 #include "sdp.h"
46
47 static sdp_record_t *record = NULL;
48 static sdp_session_t *session = NULL;
49
add_lang_attr(sdp_record_t * r)50 static void add_lang_attr(sdp_record_t *r)
51 {
52 sdp_lang_attr_t base_lang;
53 sdp_list_t *langs = 0;
54
55 /* UTF-8 MIBenum (http://www.iana.org/assignments/character-sets) */
56 base_lang.code_ISO639 = (0x65 << 8) | 0x6e;
57 base_lang.encoding = 106;
58 base_lang.base_offset = SDP_PRIMARY_LANG_BASE;
59 langs = sdp_list_append(0, &base_lang);
60 sdp_set_lang_attr(r, langs);
61 sdp_list_free(langs, 0);
62 }
63
epox_endian_quirk(unsigned char * data,int size)64 static void epox_endian_quirk(unsigned char *data, int size)
65 {
66 /* USAGE_PAGE (Keyboard) 05 07
67 * USAGE_MINIMUM (0) 19 00
68 * USAGE_MAXIMUM (65280) 2A 00 FF <= must be FF 00
69 * LOGICAL_MINIMUM (0) 15 00
70 * LOGICAL_MAXIMUM (65280) 26 00 FF <= must be FF 00
71 */
72 unsigned char pattern[] = { 0x05, 0x07, 0x19, 0x00, 0x2a, 0x00, 0xff,
73 0x15, 0x00, 0x26, 0x00, 0xff };
74 unsigned int i;
75
76 if (!data)
77 return;
78
79 for (i = 0; i < size - sizeof(pattern); i++) {
80 if (!memcmp(data + i, pattern, sizeof(pattern))) {
81 data[i + 5] = 0xff;
82 data[i + 6] = 0x00;
83 data[i + 10] = 0xff;
84 data[i + 11] = 0x00;
85 }
86 }
87 }
88
store_device_info(const bdaddr_t * src,const bdaddr_t * dst,struct hidp_connadd_req * req)89 static int store_device_info(const bdaddr_t *src, const bdaddr_t *dst, struct hidp_connadd_req *req)
90 {
91 char filename[PATH_MAX + 1], addr[18], *str, *desc;
92 int i, err, size;
93
94 ba2str(src, addr);
95 create_name(filename, PATH_MAX, STORAGEDIR, addr, "hidd");
96
97 size = 15 + 3 + 3 + 5 + (req->rd_size * 2) + 1 + 9 + strlen(req->name) + 2;
98 str = malloc(size);
99 if (!str)
100 return -ENOMEM;
101
102 desc = malloc((req->rd_size * 2) + 1);
103 if (!desc) {
104 free(str);
105 return -ENOMEM;
106 }
107
108 memset(desc, 0, (req->rd_size * 2) + 1);
109 for (i = 0; i < req->rd_size; i++)
110 sprintf(desc + (i * 2), "%2.2X", req->rd_data[i]);
111
112 snprintf(str, size - 1, "%04X:%04X:%04X %02X %02X %04X %s %08X %s",
113 req->vendor, req->product, req->version,
114 req->subclass, req->country, req->parser, desc,
115 req->flags, req->name);
116
117 free(desc);
118
119 create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
120
121 ba2str(dst, addr);
122 err = textfile_put(filename, addr, str);
123
124 free(str);
125
126 return err;
127 }
128
get_stored_device_info(const bdaddr_t * src,const bdaddr_t * dst,struct hidp_connadd_req * req)129 int get_stored_device_info(const bdaddr_t *src, const bdaddr_t *dst, struct hidp_connadd_req *req)
130 {
131 char filename[PATH_MAX + 1], addr[18], tmp[3], *str, *desc;
132 unsigned int vendor, product, version, subclass, country, parser, pos;
133 int i;
134
135 desc = malloc(4096);
136 if (!desc)
137 return -ENOMEM;
138
139 memset(desc, 0, 4096);
140
141 ba2str(src, addr);
142 create_name(filename, PATH_MAX, STORAGEDIR, addr, "hidd");
143
144 ba2str(dst, addr);
145 str = textfile_get(filename, addr);
146 if (!str) {
147 free(desc);
148 return -EIO;
149 }
150
151 sscanf(str, "%04X:%04X:%04X %02X %02X %04X %4095s %08X %n",
152 &vendor, &product, &version, &subclass, &country,
153 &parser, desc, &req->flags, &pos);
154
155
156 req->vendor = vendor;
157 req->product = product;
158 req->version = version;
159 req->subclass = subclass;
160 req->country = country;
161 req->parser = parser;
162
163 snprintf(req->name, 128, "%s", str + pos);
164
165 free(str);
166 req->rd_size = strlen(desc) / 2;
167 req->rd_data = malloc(req->rd_size);
168 if (!req->rd_data) {
169 free(desc);
170 return -ENOMEM;
171 }
172
173 memset(tmp, 0, sizeof(tmp));
174 for (i = 0; i < req->rd_size; i++) {
175 memcpy(tmp, desc + (i * 2), 2);
176 req->rd_data[i] = (uint8_t) strtol(tmp, NULL, 16);
177 }
178
179 free(desc);
180
181 return 0;
182 }
183
get_sdp_device_info(const bdaddr_t * src,const bdaddr_t * dst,struct hidp_connadd_req * req)184 int get_sdp_device_info(const bdaddr_t *src, const bdaddr_t *dst, struct hidp_connadd_req *req)
185 {
186 struct sockaddr_l2 addr;
187 socklen_t addrlen;
188 bdaddr_t bdaddr;
189 uint32_t range = 0x0000ffff;
190 sdp_session_t *s;
191 sdp_list_t *search, *attrid, *pnp_rsp, *hid_rsp;
192 sdp_record_t *rec;
193 sdp_data_t *pdlist, *pdlist2;
194 uuid_t svclass;
195 int err;
196
197 s = sdp_connect(src, dst, SDP_RETRY_IF_BUSY | SDP_WAIT_ON_CLOSE);
198 if (!s)
199 return -1;
200
201 sdp_uuid16_create(&svclass, PNP_INFO_SVCLASS_ID);
202 search = sdp_list_append(NULL, &svclass);
203 attrid = sdp_list_append(NULL, &range);
204
205 err = sdp_service_search_attr_req(s, search,
206 SDP_ATTR_REQ_RANGE, attrid, &pnp_rsp);
207
208 sdp_list_free(search, NULL);
209 sdp_list_free(attrid, NULL);
210
211 sdp_uuid16_create(&svclass, HID_SVCLASS_ID);
212 search = sdp_list_append(NULL, &svclass);
213 attrid = sdp_list_append(NULL, &range);
214
215 err = sdp_service_search_attr_req(s, search,
216 SDP_ATTR_REQ_RANGE, attrid, &hid_rsp);
217
218 sdp_list_free(search, NULL);
219 sdp_list_free(attrid, NULL);
220
221 memset(&addr, 0, sizeof(addr));
222 addrlen = sizeof(addr);
223
224 if (getsockname(s->sock, (struct sockaddr *) &addr, &addrlen) < 0)
225 bacpy(&bdaddr, src);
226 else
227 bacpy(&bdaddr, &addr.l2_bdaddr);
228
229 sdp_close(s);
230
231 if (err || !hid_rsp)
232 return -1;
233
234 if (pnp_rsp) {
235 rec = (sdp_record_t *) pnp_rsp->data;
236
237 pdlist = sdp_data_get(rec, 0x0201);
238 req->vendor = pdlist ? pdlist->val.uint16 : 0x0000;
239
240 pdlist = sdp_data_get(rec, 0x0202);
241 req->product = pdlist ? pdlist->val.uint16 : 0x0000;
242
243 pdlist = sdp_data_get(rec, 0x0203);
244 req->version = pdlist ? pdlist->val.uint16 : 0x0000;
245
246 sdp_record_free(rec);
247 }
248
249 rec = (sdp_record_t *) hid_rsp->data;
250
251 pdlist2 = sdp_data_get(rec, 0x0100);
252 if (pdlist2)
253 strncpy(req->name, pdlist2->val.str, sizeof(req->name) - 1);
254 else {
255 pdlist = sdp_data_get(rec, 0x0101);
256 pdlist2 = sdp_data_get(rec, 0x0102);
257 if (pdlist) {
258 if (pdlist2) {
259 if (strncmp(pdlist->val.str, pdlist2->val.str, 5)) {
260 strncpy(req->name, pdlist2->val.str, sizeof(req->name) - 1);
261 strcat(req->name, " ");
262 }
263 strncat(req->name, pdlist->val.str,
264 sizeof(req->name) - strlen(req->name));
265 } else
266 strncpy(req->name, pdlist->val.str, sizeof(req->name) - 1);
267 }
268 }
269
270 pdlist = sdp_data_get(rec, 0x0201);
271 req->parser = pdlist ? pdlist->val.uint16 : 0x0100;
272
273 pdlist = sdp_data_get(rec, 0x0202);
274 req->subclass = pdlist ? pdlist->val.uint8 : 0;
275
276 pdlist = sdp_data_get(rec, 0x0203);
277 req->country = pdlist ? pdlist->val.uint8 : 0;
278
279 pdlist = sdp_data_get(rec, 0x0206);
280 if (pdlist) {
281 pdlist = pdlist->val.dataseq;
282 pdlist = pdlist->val.dataseq;
283 pdlist = pdlist->next;
284
285 req->rd_data = malloc(pdlist->unitSize);
286 if (req->rd_data) {
287 memcpy(req->rd_data, (unsigned char *) pdlist->val.str, pdlist->unitSize);
288 req->rd_size = pdlist->unitSize;
289 epox_endian_quirk(req->rd_data, req->rd_size);
290 }
291 }
292
293 sdp_record_free(rec);
294
295 if (bacmp(&bdaddr, BDADDR_ANY))
296 store_device_info(&bdaddr, dst, req);
297
298 return 0;
299 }
300
get_alternate_device_info(const bdaddr_t * src,const bdaddr_t * dst,uint16_t * uuid,uint8_t * channel,char * name,size_t len)301 int get_alternate_device_info(const bdaddr_t *src, const bdaddr_t *dst, uint16_t *uuid, uint8_t *channel, char *name, size_t len)
302 {
303 uint16_t attr1 = SDP_ATTR_PROTO_DESC_LIST;
304 uint16_t attr2 = SDP_ATTR_SVCNAME_PRIMARY;
305 sdp_session_t *s;
306 sdp_list_t *search, *attrid, *rsp;
307 uuid_t svclass;
308 int err;
309
310 s = sdp_connect(src, dst, SDP_RETRY_IF_BUSY | SDP_WAIT_ON_CLOSE);
311 if (!s)
312 return -1;
313
314 sdp_uuid16_create(&svclass, HEADSET_SVCLASS_ID);
315 search = sdp_list_append(NULL, &svclass);
316 attrid = sdp_list_append(NULL, &attr1);
317 attrid = sdp_list_append(attrid, &attr2);
318
319 err = sdp_service_search_attr_req(s, search,
320 SDP_ATTR_REQ_INDIVIDUAL, attrid, &rsp);
321
322 sdp_list_free(search, NULL);
323 sdp_list_free(attrid, NULL);
324
325 if (err <= 0) {
326 sdp_uuid16_create(&svclass, SERIAL_PORT_SVCLASS_ID);
327 search = sdp_list_append(NULL, &svclass);
328 attrid = sdp_list_append(NULL, &attr1);
329 attrid = sdp_list_append(attrid, &attr2);
330
331 err = sdp_service_search_attr_req(s, search,
332 SDP_ATTR_REQ_INDIVIDUAL, attrid, &rsp);
333
334 sdp_list_free(search, NULL);
335 sdp_list_free(attrid, NULL);
336
337 if (err < 0) {
338 sdp_close(s);
339 return err;
340 }
341
342 if (uuid)
343 *uuid = SERIAL_PORT_SVCLASS_ID;
344 } else {
345 if (uuid)
346 *uuid = HEADSET_SVCLASS_ID;
347 }
348
349 sdp_close(s);
350
351 for (; rsp; rsp = rsp->next) {
352 sdp_record_t *rec = (sdp_record_t *) rsp->data;
353 sdp_list_t *protos;
354
355 sdp_get_service_name(rec, name, len);
356
357 if (!sdp_get_access_protos(rec, &protos)) {
358 uint8_t ch = sdp_get_proto_port(protos, RFCOMM_UUID);
359 if (ch > 0) {
360 if (channel)
361 *channel = ch;
362 return 0;
363 }
364 }
365
366 sdp_record_free(rec);
367 }
368
369 return -EIO;
370 }
371
bnep_sdp_unregister(void)372 void bnep_sdp_unregister(void)
373 {
374 if (record && sdp_record_unregister(session, record))
375 syslog(LOG_ERR, "Service record unregistration failed.");
376
377 sdp_close(session);
378 }
379
bnep_sdp_register(bdaddr_t * device,uint16_t role)380 int bnep_sdp_register(bdaddr_t *device, uint16_t role)
381 {
382 sdp_list_t *svclass, *pfseq, *apseq, *root, *aproto;
383 uuid_t root_uuid, pan, l2cap, bnep;
384 sdp_profile_desc_t profile[1];
385 sdp_list_t *proto[2];
386 sdp_data_t *v, *p;
387 uint16_t psm = 15, version = 0x0100;
388 uint16_t security_desc = 0;
389 uint16_t net_access_type = 0xfffe;
390 uint32_t max_net_access_rate = 0;
391 char *name = "BlueZ PAN";
392 char *desc = "BlueZ PAN Service";
393 int status;
394
395 session = sdp_connect(BDADDR_ANY, BDADDR_LOCAL, 0);
396 if (!session) {
397 syslog(LOG_ERR, "Failed to connect to the local SDP server. %s(%d)",
398 strerror(errno), errno);
399 return -1;
400 }
401
402 record = sdp_record_alloc();
403 if (!record) {
404 syslog(LOG_ERR, "Failed to allocate service record %s(%d)",
405 strerror(errno), errno);
406 sdp_close(session);
407 return -1;
408 }
409
410 sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP);
411 root = sdp_list_append(NULL, &root_uuid);
412 sdp_set_browse_groups(record, root);
413 sdp_list_free(root, 0);
414
415 sdp_uuid16_create(&l2cap, L2CAP_UUID);
416 proto[0] = sdp_list_append(NULL, &l2cap);
417 p = sdp_data_alloc(SDP_UINT16, &psm);
418 proto[0] = sdp_list_append(proto[0], p);
419 apseq = sdp_list_append(NULL, proto[0]);
420
421 sdp_uuid16_create(&bnep, BNEP_UUID);
422 proto[1] = sdp_list_append(NULL, &bnep);
423 v = sdp_data_alloc(SDP_UINT16, &version);
424 proto[1] = sdp_list_append(proto[1], v);
425
426 /* Supported protocols */
427 {
428 uint16_t ptype[4] = {
429 0x0800, /* IPv4 */
430 0x0806, /* ARP */
431 };
432 sdp_data_t *head, *pseq;
433 int p;
434
435 for (p = 0, head = NULL; p < 2; p++) {
436 sdp_data_t *data = sdp_data_alloc(SDP_UINT16, &ptype[p]);
437 if (head)
438 sdp_seq_append(head, data);
439 else
440 head = data;
441 }
442 pseq = sdp_data_alloc(SDP_SEQ16, head);
443 proto[1] = sdp_list_append(proto[1], pseq);
444 }
445
446 apseq = sdp_list_append(apseq, proto[1]);
447
448 aproto = sdp_list_append(NULL, apseq);
449 sdp_set_access_protos(record, aproto);
450
451 add_lang_attr(record);
452
453 sdp_list_free(proto[0], NULL);
454 sdp_list_free(proto[1], NULL);
455 sdp_list_free(apseq, NULL);
456 sdp_list_free(aproto, NULL);
457 sdp_data_free(p);
458 sdp_data_free(v);
459 sdp_attr_add_new(record, SDP_ATTR_SECURITY_DESC, SDP_UINT16, &security_desc);
460
461 switch (role) {
462 case BNEP_SVC_NAP:
463 sdp_uuid16_create(&pan, NAP_SVCLASS_ID);
464 svclass = sdp_list_append(NULL, &pan);
465 sdp_set_service_classes(record, svclass);
466
467 sdp_uuid16_create(&profile[0].uuid, NAP_PROFILE_ID);
468 profile[0].version = 0x0100;
469 pfseq = sdp_list_append(NULL, &profile[0]);
470 sdp_set_profile_descs(record, pfseq);
471
472 sdp_set_info_attr(record, "Network Access Point", name, desc);
473
474 sdp_attr_add_new(record, SDP_ATTR_NET_ACCESS_TYPE, SDP_UINT16, &net_access_type);
475 sdp_attr_add_new(record, SDP_ATTR_MAX_NET_ACCESSRATE, SDP_UINT32, &max_net_access_rate);
476 break;
477
478 case BNEP_SVC_GN:
479 sdp_uuid16_create(&pan, GN_SVCLASS_ID);
480 svclass = sdp_list_append(NULL, &pan);
481 sdp_set_service_classes(record, svclass);
482
483 sdp_uuid16_create(&profile[0].uuid, GN_PROFILE_ID);
484 profile[0].version = 0x0100;
485 pfseq = sdp_list_append(NULL, &profile[0]);
486 sdp_set_profile_descs(record, pfseq);
487
488 sdp_set_info_attr(record, "Group Network Service", name, desc);
489 break;
490
491 case BNEP_SVC_PANU:
492 sdp_uuid16_create(&pan, PANU_SVCLASS_ID);
493 svclass = sdp_list_append(NULL, &pan);
494 sdp_set_service_classes(record, svclass);
495 sdp_list_free(svclass, 0);
496
497 sdp_uuid16_create(&profile[0].uuid, PANU_PROFILE_ID);
498 profile[0].version = 0x0100;
499 pfseq = sdp_list_append(NULL, &profile[0]);
500 sdp_set_profile_descs(record, pfseq);
501 sdp_list_free(pfseq, 0);
502
503 sdp_set_info_attr(record, "PAN User", name, desc);
504 break;
505 }
506
507 status = sdp_device_record_register(session, device, record, 0);
508 if (status) {
509 syslog(LOG_ERR, "SDP registration failed.");
510 sdp_record_free(record); record = NULL;
511 sdp_close(session);
512 return -1;
513 }
514
515 return 0;
516 }
517
518 /* Search for PAN service.
519 * Returns 1 if service is found and 0 otherwise. */
bnep_sdp_search(bdaddr_t * src,bdaddr_t * dst,uint16_t service)520 int bnep_sdp_search(bdaddr_t *src, bdaddr_t *dst, uint16_t service)
521 {
522 sdp_list_t *srch, *rsp = NULL;
523 sdp_session_t *s;
524 uuid_t svclass;
525 int err;
526
527 switch (service) {
528 case BNEP_SVC_PANU:
529 sdp_uuid16_create(&svclass, PANU_SVCLASS_ID);
530 break;
531 case BNEP_SVC_NAP:
532 sdp_uuid16_create(&svclass, NAP_SVCLASS_ID);
533 break;
534 case BNEP_SVC_GN:
535 sdp_uuid16_create(&svclass, GN_SVCLASS_ID);
536 break;
537 }
538
539 srch = sdp_list_append(NULL, &svclass);
540
541 s = sdp_connect(src, dst, 0);
542 if (!s) {
543 syslog(LOG_ERR, "Failed to connect to the SDP server. %s(%d)",
544 strerror(errno), errno);
545 return 0;
546 }
547
548 err = sdp_service_search_req(s, srch, 1, &rsp);
549 sdp_close(s);
550
551 /* Assume that search is successeful
552 * if at least one record is found */
553 if (!err && sdp_list_len(rsp))
554 return 1;
555
556 return 0;
557 }
558
559 static unsigned char async_uuid[] = { 0x03, 0x50, 0x27, 0x8F, 0x3D, 0xCA, 0x4E, 0x62,
560 0x83, 0x1D, 0xA4, 0x11, 0x65, 0xFF, 0x90, 0x6C };
561
dun_sdp_unregister(void)562 void dun_sdp_unregister(void)
563 {
564 if (record && sdp_record_unregister(session, record))
565 syslog(LOG_ERR, "Service record unregistration failed.");
566 sdp_close(session);
567 }
568
dun_sdp_register(bdaddr_t * device,uint8_t channel,int type)569 int dun_sdp_register(bdaddr_t *device, uint8_t channel, int type)
570 {
571 sdp_list_t *svclass, *pfseq, *apseq, *root, *aproto;
572 uuid_t root_uuid, l2cap, rfcomm, dun;
573 sdp_profile_desc_t profile[1];
574 sdp_list_t *proto[2];
575 int status;
576
577 session = sdp_connect(BDADDR_ANY, BDADDR_LOCAL, 0);
578 if (!session) {
579 syslog(LOG_ERR, "Failed to connect to the local SDP server. %s(%d)",
580 strerror(errno), errno);
581 return -1;
582 }
583
584 record = sdp_record_alloc();
585 if (!record) {
586 syslog(LOG_ERR, "Failed to alloc service record");
587 return -1;
588 }
589
590 sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP);
591 root = sdp_list_append(NULL, &root_uuid);
592 sdp_set_browse_groups(record, root);
593
594 sdp_uuid16_create(&l2cap, L2CAP_UUID);
595 proto[0] = sdp_list_append(NULL, &l2cap);
596 apseq = sdp_list_append(NULL, proto[0]);
597
598 sdp_uuid16_create(&rfcomm, RFCOMM_UUID);
599 proto[1] = sdp_list_append(NULL, &rfcomm);
600 proto[1] = sdp_list_append(proto[1], sdp_data_alloc(SDP_UINT8, &channel));
601 apseq = sdp_list_append(apseq, proto[1]);
602
603 aproto = sdp_list_append(NULL, apseq);
604 sdp_set_access_protos(record, aproto);
605
606 switch (type) {
607 case MROUTER:
608 sdp_uuid16_create(&dun, SERIAL_PORT_SVCLASS_ID);
609 break;
610 case ACTIVESYNC:
611 sdp_uuid128_create(&dun, (void *) async_uuid);
612 break;
613 case DIALUP:
614 sdp_uuid16_create(&dun, DIALUP_NET_SVCLASS_ID);
615 break;
616 default:
617 sdp_uuid16_create(&dun, LAN_ACCESS_SVCLASS_ID);
618 break;
619 }
620
621 svclass = sdp_list_append(NULL, &dun);
622 sdp_set_service_classes(record, svclass);
623
624 switch (type) {
625 case LANACCESS:
626 sdp_uuid16_create(&profile[0].uuid, LAN_ACCESS_PROFILE_ID);
627 profile[0].version = 0x0100;
628 pfseq = sdp_list_append(NULL, &profile[0]);
629 sdp_set_profile_descs(record, pfseq);
630 break;
631 case DIALUP:
632 sdp_uuid16_create(&profile[0].uuid, DIALUP_NET_PROFILE_ID);
633 profile[0].version = 0x0100;
634 pfseq = sdp_list_append(NULL, &profile[0]);
635 sdp_set_profile_descs(record, pfseq);
636 break;
637 }
638
639 switch (type) {
640 case MROUTER:
641 sdp_set_info_attr(record, "mRouter", NULL, NULL);
642 break;
643 case ACTIVESYNC:
644 sdp_set_info_attr(record, "ActiveSync", NULL, NULL);
645 break;
646 case DIALUP:
647 sdp_set_info_attr(record, "Dialup Networking", NULL, NULL);
648 break;
649 default:
650 sdp_set_info_attr(record, "LAN Access Point", NULL, NULL);
651 break;
652 }
653
654 status = sdp_device_record_register(session, device, record, 0);
655 if (status) {
656 syslog(LOG_ERR, "SDP registration failed.");
657 sdp_record_free(record);
658 record = NULL;
659 return -1;
660 }
661 return 0;
662 }
663
dun_sdp_search(bdaddr_t * src,bdaddr_t * dst,int * channel,int type)664 int dun_sdp_search(bdaddr_t *src, bdaddr_t *dst, int *channel, int type)
665 {
666 sdp_session_t *s;
667 sdp_list_t *srch, *attrs, *rsp;
668 uuid_t svclass;
669 uint16_t attr;
670 int err;
671
672 s = sdp_connect(src, dst, 0);
673 if (!s) {
674 syslog(LOG_ERR, "Failed to connect to the SDP server. %s(%d)",
675 strerror(errno), errno);
676 return -1;
677 }
678
679 switch (type) {
680 case MROUTER:
681 sdp_uuid16_create(&svclass, SERIAL_PORT_SVCLASS_ID);
682 break;
683 case ACTIVESYNC:
684 sdp_uuid128_create(&svclass, (void *) async_uuid);
685 break;
686 case DIALUP:
687 sdp_uuid16_create(&svclass, DIALUP_NET_SVCLASS_ID);
688 break;
689 default:
690 sdp_uuid16_create(&svclass, LAN_ACCESS_SVCLASS_ID);
691 break;
692 }
693
694 srch = sdp_list_append(NULL, &svclass);
695
696 attr = SDP_ATTR_PROTO_DESC_LIST;
697 attrs = sdp_list_append(NULL, &attr);
698
699 err = sdp_service_search_attr_req(s, srch, SDP_ATTR_REQ_INDIVIDUAL, attrs, &rsp);
700
701 sdp_close(s);
702
703 if (err)
704 return 0;
705
706 for(; rsp; rsp = rsp->next) {
707 sdp_record_t *rec = (sdp_record_t *) rsp->data;
708 sdp_list_t *protos;
709
710 if (!sdp_get_access_protos(rec, &protos)) {
711 int ch = sdp_get_proto_port(protos, RFCOMM_UUID);
712 if (ch > 0) {
713 *channel = ch;
714 return 1;
715 }
716 }
717 }
718
719 return 0;
720 }
721