1 /******************************************************************************
3 * Copyright (C) 1999-2012 Broadcom Corporation
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 ******************************************************************************/
19 /******************************************************************************
21 * this file contains SDP discovery functions
23 ******************************************************************************/
29 #include "bt_target.h"
42 #define SDP_DEBUG_RAW FALSE
45 /********************************************************************************/
46 /* L O C A L F U N C T I O N P R O T O T Y P E S */
47 /********************************************************************************/
48 #if SDP_CLIENT_ENABLED == TRUE
49 static void process_service_search_rsp(tCONN_CB* p_ccb, uint8_t* p_reply,
50 uint8_t* p_reply_end);
51 static void process_service_attr_rsp(tCONN_CB* p_ccb, uint8_t* p_reply,
52 uint8_t* p_reply_end);
53 static void process_service_search_attr_rsp(tCONN_CB* p_ccb, uint8_t* p_reply,
54 uint8_t* p_reply_end);
55 static UINT8 *save_attr_seq (tCONN_CB *p_ccb, UINT8 *p, UINT8 *p_msg_end);
56 static tSDP_DISC_REC *add_record (tSDP_DISCOVERY_DB *p_db, BD_ADDR p_bda);
57 static UINT8 *add_attr (UINT8 *p, tSDP_DISCOVERY_DB *p_db, tSDP_DISC_REC *p_rec,
58 UINT16 attr_id, tSDP_DISC_ATTR *p_parent_attr, UINT8 nest_level);
60 /* Safety check in case we go crazy */
61 #define MAX_NEST_LEVELS 5
64 /*******************************************************************************
66 ** Function sdpu_build_uuid_seq
68 ** Description This function builds a UUID sequence from the list of
69 ** passed UUIDs. It is also passed the address of the output
72 ** Returns Pointer to next byte in the output buffer.
74 *******************************************************************************/
75 static UINT8 *sdpu_build_uuid_seq (UINT8 *p_out, UINT16 num_uuids, tSDP_UUID *p_uuid_list)
80 /* First thing is the data element header */
81 UINT8_TO_BE_STREAM (p_out, (DATA_ELE_SEQ_DESC_TYPE << 3) | SIZE_IN_NEXT_BYTE);
83 /* Remember where the length goes. Leave space for it. */
87 /* Now, loop through and put in all the UUID(s) */
88 for (xx = 0; xx < num_uuids; xx++, p_uuid_list++)
90 if (p_uuid_list->len == 2)
92 UINT8_TO_BE_STREAM (p_out, (UUID_DESC_TYPE << 3) | SIZE_TWO_BYTES);
93 UINT16_TO_BE_STREAM (p_out, p_uuid_list->uu.uuid16);
95 else if (p_uuid_list->len == 4)
97 UINT8_TO_BE_STREAM (p_out, (UUID_DESC_TYPE << 3) | SIZE_FOUR_BYTES);
98 UINT32_TO_BE_STREAM (p_out, p_uuid_list->uu.uuid32);
102 UINT8_TO_BE_STREAM (p_out, (UUID_DESC_TYPE << 3) | SIZE_SIXTEEN_BYTES);
103 ARRAY_TO_BE_STREAM (p_out, p_uuid_list->uu.uuid128, p_uuid_list->len);
107 /* Now, put in the length */
108 xx = (UINT16)(p_out - p_len - 1);
109 UINT8_TO_BE_STREAM (p_len, xx);
114 /*******************************************************************************
116 ** Function sdp_snd_service_search_req
118 ** Description Send a service search request to the SDP server.
122 *******************************************************************************/
123 static void sdp_snd_service_search_req(tCONN_CB *p_ccb, UINT8 cont_len, UINT8 * p_cont)
125 UINT8 *p, *p_start, *p_param_len;
129 /* Get a buffer to send the packet to L2CAP */
130 if ((p_cmd = (BT_HDR *) GKI_getpoolbuf (SDP_POOL_ID)) == NULL)
132 sdp_disconnect (p_ccb, SDP_NO_RESOURCES);
136 p_cmd->offset = L2CAP_MIN_OFFSET;
137 p = p_start = (UINT8 *)(p_cmd + 1) + L2CAP_MIN_OFFSET;
139 /* Build a service search request packet */
140 UINT8_TO_BE_STREAM (p, SDP_PDU_SERVICE_SEARCH_REQ);
141 UINT16_TO_BE_STREAM (p, p_ccb->transaction_id);
142 p_ccb->transaction_id++;
144 /* Skip the length, we need to add it at the end */
148 /* Build the UID sequence. */
149 #if (defined(SDP_BROWSE_PLUS) && SDP_BROWSE_PLUS == TRUE)
150 p = sdpu_build_uuid_seq (p, 1, &p_ccb->p_db->uuid_filters[p_ccb->cur_uuid_idx]);
152 p = sdpu_build_uuid_seq (p, p_ccb->p_db->num_uuid_filters, p_ccb->p_db->uuid_filters);
155 /* Set max service record count */
156 UINT16_TO_BE_STREAM (p, sdp_cb.max_recs_per_search);
158 /* Set continuation state */
159 UINT8_TO_BE_STREAM (p, cont_len);
161 /* if this is not the first request */
162 if(cont_len && p_cont)
164 memcpy(p, p_cont, cont_len);
168 /* Go back and put the parameter length into the buffer */
169 param_len = (UINT16)(p - p_param_len - 2);
170 UINT16_TO_BE_STREAM (p_param_len, param_len);
172 p_ccb->disc_state = SDP_DISC_WAIT_HANDLES;
174 /* Set the length of the SDP data in the buffer */
175 p_cmd->len = (UINT16)(p - p_start);
177 #if (SDP_DEBUG_RAW == TRUE)
178 SDP_TRACE_WARNING("sdp_snd_service_search_req cont_len :%d disc_state:%d",cont_len, p_ccb->disc_state);
182 L2CA_DataWrite (p_ccb->connection_id, p_cmd);
184 /* Start inactivity timer */
185 btu_start_timer (&p_ccb->timer_entry, BTU_TTYPE_SDP, SDP_INACT_TIMEOUT);
189 /*******************************************************************************
191 ** Function sdp_disc_connected
193 ** Description This function is called when an SDP discovery attempt is
198 *******************************************************************************/
199 void sdp_disc_connected (tCONN_CB *p_ccb)
201 if (p_ccb->is_attr_search)
203 p_ccb->disc_state = SDP_DISC_WAIT_SEARCH_ATTR;
205 process_service_search_attr_rsp(p_ccb, NULL, NULL);
209 /* First step is to get a list of the handles from the server. */
210 /* We are not searching for a specific attribute, so we will */
211 /* first search for the service, then get all attributes of it */
213 p_ccb->num_handles = 0;
214 sdp_snd_service_search_req(p_ccb, 0, NULL);
219 /*******************************************************************************
221 ** Function sdp_disc_server_rsp
223 ** Description This function is called when there is a response from
228 *******************************************************************************/
229 void sdp_disc_server_rsp (tCONN_CB *p_ccb, BT_HDR *p_msg)
232 BOOLEAN invalid_pdu = TRUE;
234 #if (SDP_DEBUG_RAW == TRUE)
235 SDP_TRACE_WARNING("sdp_disc_server_rsp disc_state:%d", p_ccb->disc_state);
238 /* stop inactivity timer when we receive a response */
239 btu_stop_timer (&p_ccb->timer_entry);
241 /* Got a reply!! Check what we got back */
242 p = (UINT8 *)(p_msg + 1) + p_msg->offset;
243 uint8_t* p_end = p + p_msg->len;
245 BE_STREAM_TO_UINT8 (rsp_pdu, p);
251 case SDP_PDU_SERVICE_SEARCH_RSP:
252 if (p_ccb->disc_state == SDP_DISC_WAIT_HANDLES)
254 process_service_search_rsp(p_ccb, p, p_end);
259 case SDP_PDU_SERVICE_ATTR_RSP:
260 if (p_ccb->disc_state == SDP_DISC_WAIT_ATTR)
262 process_service_attr_rsp(p_ccb, p, p_end);
267 case SDP_PDU_SERVICE_SEARCH_ATTR_RSP:
268 if (p_ccb->disc_state == SDP_DISC_WAIT_SEARCH_ATTR)
270 process_service_search_attr_rsp(p_ccb, p, p_end);
278 SDP_TRACE_WARNING ("SDP - Unexp. PDU: %d in state: %d", rsp_pdu, p_ccb->disc_state);
279 sdp_disconnect (p_ccb, SDP_GENERIC_ERROR);
283 /******************************************************************************
285 ** Function process_service_search_rsp
287 ** Description This function is called when there is a search response from
292 *******************************************************************************/
293 static void process_service_search_rsp(tCONN_CB *p_ccb, UINT8 *p_reply,
294 uint8_t* p_reply_end) {
296 UINT16 total, cur_handles, orig;
299 /* Skip transaction, and param len */
301 BE_STREAM_TO_UINT16 (total, p_reply);
302 BE_STREAM_TO_UINT16 (cur_handles, p_reply);
304 orig = p_ccb->num_handles;
305 p_ccb->num_handles += cur_handles;
306 if (p_ccb->num_handles == 0)
308 SDP_TRACE_WARNING ("SDP - Rcvd ServiceSearchRsp, no matches");
309 sdp_disconnect (p_ccb, SDP_NO_RECS_MATCH);
313 /* Save the handles that match. We will can only process a certain number. */
314 if (total > sdp_cb.max_recs_per_search)
315 total = sdp_cb.max_recs_per_search;
316 if (p_ccb->num_handles > sdp_cb.max_recs_per_search)
317 p_ccb->num_handles = sdp_cb.max_recs_per_search;
319 for (xx = orig; xx < p_ccb->num_handles; xx++)
320 BE_STREAM_TO_UINT32 (p_ccb->handles[xx], p_reply);
322 BE_STREAM_TO_UINT8 (cont_len, p_reply);
325 if(cont_len > SDP_MAX_CONTINUATION_LEN)
327 sdp_disconnect (p_ccb, SDP_INVALID_CONT_STATE);
330 if (p_reply + cont_len > p_reply_end) {
331 android_errorWriteLog(0x534e4554, "68161546");
332 sdp_disconnect(p_ccb, SDP_INVALID_CONT_STATE);
335 /* stay in the same state */
336 sdp_snd_service_search_req(p_ccb, cont_len, p_reply);
341 p_ccb->disc_state = SDP_DISC_WAIT_ATTR;
343 /* Kick off the first attribute request */
344 process_service_attr_rsp(p_ccb, NULL, NULL);
348 /*******************************************************************************
350 ** Function sdp_copy_raw_data
352 ** Description copy the raw data
357 *******************************************************************************/
358 #if (SDP_RAW_DATA_INCLUDED == TRUE)
359 static void sdp_copy_raw_data (tCONN_CB *p_ccb, BOOLEAN offset)
361 unsigned int cpy_len, rem_len;
366 #if (SDP_DEBUG_RAW == TRUE)
367 UINT8 num_array[SDP_MAX_LIST_BYTE_COUNT];
370 for (i = 0; i < p_ccb->list_len; i++)
372 sprintf((char *)&num_array[i*2],"%02X",(UINT8)(p_ccb->rsp_list[i]));
374 SDP_TRACE_WARNING("result :%s",num_array);
377 if(p_ccb->p_db->raw_data)
379 cpy_len = p_ccb->p_db->raw_size - p_ccb->p_db->raw_used;
380 list_len = p_ccb->list_len;
381 p = &p_ccb->rsp_list[0];
386 p = sdpu_get_len_from_type (p, type, &list_len);
388 if(list_len < cpy_len )
392 rem_len = SDP_MAX_LIST_BYTE_COUNT - (unsigned int)(p - &p_ccb->rsp_list[0]);
393 if (cpy_len > rem_len) {
394 SDP_TRACE_WARNING("rem_len :%d less than cpy_len:%d", rem_len, cpy_len);
397 #if (SDP_DEBUG_RAW == TRUE)
398 SDP_TRACE_WARNING("list_len :%d cpy_len:%d raw_size:%d raw_used:%d",
399 list_len, cpy_len, p_ccb->p_db->raw_size, p_ccb->p_db->raw_used);
401 memcpy (&p_ccb->p_db->raw_data[p_ccb->p_db->raw_used], p, cpy_len);
402 p_ccb->p_db->raw_used += cpy_len;
407 /*******************************************************************************
409 ** Function process_service_attr_rsp
411 ** Description This function is called when there is a attribute response from
416 *******************************************************************************/
417 static void process_service_attr_rsp(tCONN_CB *p_ccb, UINT8 *p_reply,
418 uint8_t* p_reply_end) {
419 UINT8 *p_start, *p_param_len;
420 UINT16 param_len, list_byte_count;
421 BOOLEAN cont_request_needed = FALSE;
423 #if (SDP_DEBUG_RAW == TRUE)
424 SDP_TRACE_WARNING("process_service_attr_rsp raw inc:%d",
425 SDP_RAW_DATA_INCLUDED);
427 /* If p_reply is NULL, we were called after the records handles were read */
430 #if (SDP_DEBUG_RAW == TRUE)
431 SDP_TRACE_WARNING("ID & len: 0x%02x-%02x-%02x-%02x",
432 p_reply[0], p_reply[1], p_reply[2], p_reply[3]);
434 /* Skip transaction ID and length */
437 BE_STREAM_TO_UINT16 (list_byte_count, p_reply);
438 #if (SDP_DEBUG_RAW == TRUE)
439 SDP_TRACE_WARNING("list_byte_count:%d", list_byte_count);
442 /* Copy the response to the scratchpad. First, a safety check on the length */
443 if ((p_ccb->list_len + list_byte_count) > SDP_MAX_LIST_BYTE_COUNT)
445 sdp_disconnect (p_ccb, SDP_INVALID_PDU_SIZE);
449 #if (SDP_DEBUG_RAW == TRUE)
450 SDP_TRACE_WARNING("list_len: %d, list_byte_count: %d",
451 p_ccb->list_len, list_byte_count);
453 if (p_ccb->rsp_list == NULL)
455 p_ccb->rsp_list = (UINT8 *)GKI_getbuf (SDP_MAX_LIST_BYTE_COUNT);
456 if (p_ccb->rsp_list == NULL)
458 SDP_TRACE_ERROR ("SDP - no gki buf to save rsp");
459 sdp_disconnect (p_ccb, SDP_NO_RESOURCES);
463 memcpy (&p_ccb->rsp_list[p_ccb->list_len], p_reply, list_byte_count);
464 p_ccb->list_len += list_byte_count;
465 p_reply += list_byte_count;
466 #if (SDP_DEBUG_RAW == TRUE)
467 SDP_TRACE_WARNING("list_len: %d(attr_rsp)", p_ccb->list_len);
469 /* Check if we need to request a continuation */
470 SDP_TRACE_WARNING("*p_reply:%d(%d)", *p_reply, SDP_MAX_CONTINUATION_LEN);
474 if (*p_reply > SDP_MAX_CONTINUATION_LEN)
476 sdp_disconnect (p_ccb, SDP_INVALID_CONT_STATE);
479 cont_request_needed = TRUE;
484 #if (SDP_RAW_DATA_INCLUDED == TRUE)
485 SDP_TRACE_WARNING("process_service_attr_rsp");
486 sdp_copy_raw_data (p_ccb, FALSE);
489 /* Save the response in the database. Stop on any error */
490 if (!save_attr_seq (p_ccb, &p_ccb->rsp_list[0], &p_ccb->rsp_list[p_ccb->list_len]))
492 sdp_disconnect (p_ccb, SDP_DB_FULL);
500 /* Now, ask for the next handle. Re-use the buffer we just got. */
501 if (p_ccb->cur_handle < p_ccb->num_handles)
503 BT_HDR *p_msg = (BT_HDR *) GKI_getpoolbuf (SDP_POOL_ID);
508 sdp_disconnect (p_ccb, SDP_NO_RESOURCES);
512 p_msg->offset = L2CAP_MIN_OFFSET;
513 p = p_start = (UINT8 *)(p_msg + 1) + L2CAP_MIN_OFFSET;
515 /* Get all the attributes from the server */
516 UINT8_TO_BE_STREAM (p, SDP_PDU_SERVICE_ATTR_REQ);
517 UINT16_TO_BE_STREAM (p, p_ccb->transaction_id);
518 p_ccb->transaction_id++;
520 /* Skip the length, we need to add it at the end */
524 UINT32_TO_BE_STREAM (p, p_ccb->handles[p_ccb->cur_handle]);
526 /* Max attribute byte count */
527 UINT16_TO_BE_STREAM (p, sdp_cb.max_attr_list_size);
529 /* If no attribute filters, build a wildcard attribute sequence */
530 if (p_ccb->p_db->num_attr_filters)
531 p = sdpu_build_attrib_seq (p, p_ccb->p_db->attr_filters, p_ccb->p_db->num_attr_filters);
533 p = sdpu_build_attrib_seq (p, NULL, 0);
535 /* Was this a continuation request ? */
536 if (cont_request_needed)
538 if ((p_reply + *p_reply + 1) <= p_reply_end) {
539 memcpy(p, p_reply, *p_reply + 1);
542 android_errorWriteLog(0x534e4554, "68161546");
546 UINT8_TO_BE_STREAM (p, 0);
548 /* Go back and put the parameter length into the buffer */
549 param_len = (UINT16)(p - p_param_len - 2);
550 UINT16_TO_BE_STREAM (p_param_len, param_len);
552 /* Set the length of the SDP data in the buffer */
553 p_msg->len = (UINT16)(p - p_start);
556 L2CA_DataWrite (p_ccb->connection_id, p_msg);
558 /* Start inactivity timer */
559 btu_start_timer (&p_ccb->timer_entry, BTU_TTYPE_SDP, SDP_INACT_TIMEOUT);
563 sdp_disconnect (p_ccb, SDP_SUCCESS);
569 /*******************************************************************************
571 ** Function process_service_search_attr_rsp
573 ** Description This function is called when there is a search attribute
574 ** response from the server.
578 *******************************************************************************/
579 static void process_service_search_attr_rsp(tCONN_CB *p_ccb, UINT8 *p_reply,
580 uint8_t* p_reply_end) {
581 UINT8 *p, *p_start, *p_end, *p_param_len;
584 UINT16 param_len, lists_byte_count = 0;
585 BOOLEAN cont_request_needed = FALSE;
587 #if (SDP_DEBUG_RAW == TRUE)
588 SDP_TRACE_WARNING("process_service_search_attr_rsp");
590 /* If p_reply is NULL, we were called for the initial read */
593 if (p_reply + 4 /* transaction ID and length */ + sizeof(lists_byte_count) >
595 android_errorWriteLog(0x534e4554, "79884292");
596 sdp_disconnect(p_ccb, SDP_INVALID_PDU_SIZE);
600 #if (SDP_DEBUG_RAW == TRUE)
601 SDP_TRACE_WARNING("ID & len: 0x%02x-%02x-%02x-%02x",
602 p_reply[0], p_reply[1], p_reply[2], p_reply[3]);
604 /* Skip transaction ID and length */
607 BE_STREAM_TO_UINT16 (lists_byte_count, p_reply);
608 #if (SDP_DEBUG_RAW == TRUE)
609 SDP_TRACE_WARNING("lists_byte_count:%d", lists_byte_count);
612 /* Copy the response to the scratchpad. First, a safety check on the length */
613 if ((p_ccb->list_len + lists_byte_count) > SDP_MAX_LIST_BYTE_COUNT)
615 sdp_disconnect (p_ccb, SDP_INVALID_PDU_SIZE);
619 #if (SDP_DEBUG_RAW == TRUE)
620 SDP_TRACE_WARNING("list_len: %d, list_byte_count: %d",
621 p_ccb->list_len, lists_byte_count);
624 if (p_reply + lists_byte_count + 1 /* continuation */ > p_reply_end) {
625 android_errorWriteLog(0x534e4554, "79884292");
626 sdp_disconnect(p_ccb, SDP_INVALID_PDU_SIZE);
630 if (p_ccb->rsp_list == NULL)
632 p_ccb->rsp_list = (UINT8 *)GKI_getbuf (SDP_MAX_LIST_BYTE_COUNT);
633 if (p_ccb->rsp_list == NULL)
635 SDP_TRACE_ERROR ("SDP - no gki buf to save rsp");
636 sdp_disconnect (p_ccb, SDP_NO_RESOURCES);
640 memcpy (&p_ccb->rsp_list[p_ccb->list_len], p_reply, lists_byte_count);
641 p_ccb->list_len += lists_byte_count;
642 p_reply += lists_byte_count;
643 #if (SDP_DEBUG_RAW == TRUE)
644 SDP_TRACE_WARNING("list_len: %d(search_attr_rsp)", p_ccb->list_len);
646 /* Check if we need to request a continuation */
647 SDP_TRACE_WARNING("*p_reply:%d(%d)", *p_reply, SDP_MAX_CONTINUATION_LEN);
651 if (*p_reply > SDP_MAX_CONTINUATION_LEN)
653 sdp_disconnect (p_ccb, SDP_INVALID_CONT_STATE);
657 cont_request_needed = TRUE;
661 #if (SDP_DEBUG_RAW == TRUE)
662 SDP_TRACE_WARNING("cont_request_needed:%d", cont_request_needed);
664 /* If continuation request (or first time request) */
665 if ((cont_request_needed) || (!p_reply))
667 BT_HDR *p_msg = (BT_HDR *) GKI_getpoolbuf (SDP_POOL_ID);
672 sdp_disconnect (p_ccb, SDP_NO_RESOURCES);
676 p_msg->offset = L2CAP_MIN_OFFSET;
677 p = p_start = (UINT8 *)(p_msg + 1) + L2CAP_MIN_OFFSET;
679 /* Build a service search request packet */
680 UINT8_TO_BE_STREAM (p, SDP_PDU_SERVICE_SEARCH_ATTR_REQ);
681 UINT16_TO_BE_STREAM (p, p_ccb->transaction_id);
682 p_ccb->transaction_id++;
684 /* Skip the length, we need to add it at the end */
688 /* Build the UID sequence. */
689 #if (defined(SDP_BROWSE_PLUS) && SDP_BROWSE_PLUS == TRUE)
690 p = sdpu_build_uuid_seq (p, 1, &p_ccb->p_db->uuid_filters[p_ccb->cur_uuid_idx]);
692 p = sdpu_build_uuid_seq (p, p_ccb->p_db->num_uuid_filters, p_ccb->p_db->uuid_filters);
695 /* Max attribute byte count */
696 UINT16_TO_BE_STREAM (p, sdp_cb.max_attr_list_size);
698 /* If no attribute filters, build a wildcard attribute sequence */
699 if (p_ccb->p_db->num_attr_filters)
700 p = sdpu_build_attrib_seq (p, p_ccb->p_db->attr_filters, p_ccb->p_db->num_attr_filters);
702 p = sdpu_build_attrib_seq (p, NULL, 0);
704 /* No continuation for first request */
707 if ((p_reply + *p_reply + 1) <= p_reply_end) {
708 memcpy(p, p_reply, *p_reply + 1);
711 android_errorWriteLog(0x534e4554, "68161546");
715 UINT8_TO_BE_STREAM (p, 0);
717 /* Go back and put the parameter length into the buffer */
718 param_len = p - p_param_len - 2;
719 UINT16_TO_BE_STREAM (p_param_len, param_len);
721 /* Set the length of the SDP data in the buffer */
722 p_msg->len = p - p_start;
725 L2CA_DataWrite (p_ccb->connection_id, p_msg);
727 /* Start inactivity timer */
728 btu_start_timer (&p_ccb->timer_entry, BTU_TTYPE_SDP, SDP_INACT_TIMEOUT);
734 /*******************************************************************/
735 /* We now have the full response, which is a sequence of sequences */
736 /*******************************************************************/
738 #if (SDP_RAW_DATA_INCLUDED == TRUE)
739 SDP_TRACE_WARNING("process_service_search_attr_rsp");
740 sdp_copy_raw_data (p_ccb, TRUE);
743 p = &p_ccb->rsp_list[0];
745 /* The contents is a sequence of attribute sequences */
748 if ((type >> 3) != DATA_ELE_SEQ_DESC_TYPE)
750 SDP_TRACE_WARNING ("SDP - Wrong type: 0x%02x in attr_rsp", type);
753 p = sdpu_get_len_from_type (p, type, &seq_len);
755 p_end = &p_ccb->rsp_list[p_ccb->list_len];
757 if ((p + seq_len) != p_end)
759 sdp_disconnect (p_ccb, SDP_INVALID_CONT_STATE);
765 p = save_attr_seq (p_ccb, p, &p_ccb->rsp_list[p_ccb->list_len]);
768 sdp_disconnect (p_ccb, SDP_DB_FULL);
773 /* Since we got everything we need, disconnect the call */
774 sdp_disconnect (p_ccb, SDP_SUCCESS);
777 /*******************************************************************************
779 ** Function save_attr_seq
781 ** Description This function is called when there is a response from
784 ** Returns pointer to next byte or NULL if error
786 *******************************************************************************/
787 static UINT8 *save_attr_seq (tCONN_CB *p_ccb, UINT8 *p, UINT8 *p_msg_end)
789 UINT32 seq_len, attr_len;
791 UINT8 type, *p_seq_end;
792 tSDP_DISC_REC *p_rec;
796 if ((type >> 3) != DATA_ELE_SEQ_DESC_TYPE)
798 SDP_TRACE_WARNING ("SDP - Wrong type: 0x%02x in attr_rsp", type);
802 p = sdpu_get_len_from_type (p, type, &seq_len);
803 if ((p + seq_len) > p_msg_end)
805 SDP_TRACE_WARNING ("SDP - Bad len in attr_rsp %d", seq_len);
809 /* Create a record */
810 p_rec = add_record (p_ccb->p_db, p_ccb->device_address);
813 SDP_TRACE_WARNING ("SDP - DB full add_record");
817 p_seq_end = p + seq_len;
819 while (p < p_seq_end)
821 /* First get the attribute ID */
823 p = sdpu_get_len_from_type (p, type, &attr_len);
824 if (((type >> 3) != UINT_DESC_TYPE) || (attr_len != 2))
826 SDP_TRACE_WARNING ("SDP - Bad type: 0x%02x or len: %d in attr_rsp", type, attr_len);
829 BE_STREAM_TO_UINT16 (attr_id, p);
831 /* Now, add the attribute value */
832 p = add_attr (p, p_ccb->p_db, p_rec, attr_id, NULL, 0);
836 SDP_TRACE_WARNING ("SDP - DB full add_attr");
845 /*******************************************************************************
847 ** Function add_record
849 ** Description This function allocates space for a record from the DB.
851 ** Returns pointer to next byte in data stream
853 *******************************************************************************/
854 tSDP_DISC_REC *add_record (tSDP_DISCOVERY_DB *p_db, BD_ADDR p_bda)
856 tSDP_DISC_REC *p_rec;
858 /* See if there is enough space in the database */
859 if (p_db->mem_free < sizeof (tSDP_DISC_REC))
862 p_rec = (tSDP_DISC_REC *) p_db->p_free_mem;
863 p_db->p_free_mem += sizeof (tSDP_DISC_REC);
864 p_db->mem_free -= sizeof (tSDP_DISC_REC);
866 p_rec->p_first_attr = NULL;
867 p_rec->p_next_rec = NULL;
869 memcpy (p_rec->remote_bd_addr, p_bda, BD_ADDR_LEN);
871 /* Add the record to the end of chain */
872 if (!p_db->p_first_rec)
873 p_db->p_first_rec = p_rec;
876 tSDP_DISC_REC *p_rec1 = p_db->p_first_rec;
878 while (p_rec1->p_next_rec)
879 p_rec1 = p_rec1->p_next_rec;
881 p_rec1->p_next_rec = p_rec;
887 #define SDP_ADDITIONAL_LIST_MASK 0x80
888 /*******************************************************************************
892 ** Description This function allocates space for an attribute from the DB
893 ** and copies the data into it.
895 ** Returns pointer to next byte in data stream
897 *******************************************************************************/
898 static UINT8 *add_attr (UINT8 *p, tSDP_DISCOVERY_DB *p_db, tSDP_DISC_REC *p_rec,
899 UINT16 attr_id, tSDP_DISC_ATTR *p_parent_attr, UINT8 nest_level)
901 tSDP_DISC_ATTR *p_attr;
908 UINT8 is_additional_list = nest_level & SDP_ADDITIONAL_LIST_MASK;
910 nest_level &= ~(SDP_ADDITIONAL_LIST_MASK);
913 p = sdpu_get_len_from_type (p, type, &attr_len);
915 attr_len &= SDP_DISC_ATTR_LEN_MASK;
916 attr_type = (type >> 3) & 0x0f;
918 /* See if there is enough space in the database */
920 total_len = attr_len - 4 + (UINT16)sizeof (tSDP_DISC_ATTR);
922 total_len = sizeof (tSDP_DISC_ATTR);
924 /* Ensure it is a multiple of 4 */
925 total_len = (total_len + 3) & ~3;
927 /* See if there is enough space in the database */
928 if (p_db->mem_free < total_len)
931 p_attr = (tSDP_DISC_ATTR *) p_db->p_free_mem;
932 p_attr->attr_id = attr_id;
933 p_attr->attr_len_type = (UINT16)attr_len | (attr_type << 12);
934 p_attr->p_next_attr = NULL;
936 /* Store the attribute value */
940 if( (is_additional_list != 0) && (attr_len == 2) )
942 BE_STREAM_TO_UINT16 (id, p);
943 if(id != ATTR_ID_PROTOCOL_DESC_LIST)
947 /* Reserve the memory for the attribute now, as we need to add sub-attributes */
948 p_db->p_free_mem += sizeof (tSDP_DISC_ATTR);
949 p_db->mem_free -= sizeof (tSDP_DISC_ATTR);
950 p_end = p + attr_len;
953 /* SDP_TRACE_DEBUG ("SDP - attr nest level:%d(list)", nest_level); */
954 if (nest_level >= MAX_NEST_LEVELS)
956 SDP_TRACE_ERROR ("SDP - attr nesting too deep");
960 /* Now, add the list entry */
961 p = add_attr (p, p_db, p_rec, ATTR_ID_PROTOCOL_DESC_LIST, p_attr, (UINT8)(nest_level + 1));
966 /* Case falls through */
968 case TWO_COMP_INT_DESC_TYPE:
972 p_attr->attr_value.v.u8 = *p++;
975 BE_STREAM_TO_UINT16 (p_attr->attr_value.v.u16, p);
978 BE_STREAM_TO_UINT32 (p_attr->attr_value.v.u32, p);
981 BE_STREAM_TO_ARRAY (p, p_attr->attr_value.v.array, (INT32)attr_len);
990 BE_STREAM_TO_UINT16 (p_attr->attr_value.v.u16, p);
993 BE_STREAM_TO_UINT32 (p_attr->attr_value.v.u32, p);
994 if (p_attr->attr_value.v.u32 < 0x10000)
997 p_attr->attr_len_type = (UINT16)attr_len | (attr_type << 12);
998 p_attr->attr_value.v.u16 = (UINT16) p_attr->attr_value.v.u32;
1003 /* See if we can compress his UUID down to 16 or 32bit UUIDs */
1004 if (sdpu_is_base_uuid (p))
1006 if ((p[0] == 0) && (p[1] == 0))
1008 p_attr->attr_len_type = (p_attr->attr_len_type & ~SDP_DISC_ATTR_LEN_MASK) | 2;
1010 BE_STREAM_TO_UINT16 (p_attr->attr_value.v.u16, p);
1011 p += MAX_UUID_SIZE - 4;
1015 p_attr->attr_len_type = (p_attr->attr_len_type & ~SDP_DISC_ATTR_LEN_MASK) | 4;
1016 BE_STREAM_TO_UINT32 (p_attr->attr_value.v.u32, p);
1017 p += MAX_UUID_SIZE - 4;
1022 /* coverity[overrun-local] */
1024 Event overrun-local: Overrun of static array "p_attr->attr_value.v.array" of size 4 at position 15 with index variable "ijk"
1025 False-positive: SDP uses scratch buffer to hold the attribute value.
1026 The actual size of tSDP_DISC_ATVAL does not matter.
1027 If the array size in tSDP_DISC_ATVAL is increase, we would increase the system RAM usage unnecessarily
1029 BE_STREAM_TO_ARRAY (p, p_attr->attr_value.v.array, (INT32)attr_len);
1033 SDP_TRACE_WARNING ("SDP - bad len in UUID attr: %d", attr_len);
1034 return (p + attr_len);
1038 case DATA_ELE_SEQ_DESC_TYPE:
1039 case DATA_ELE_ALT_DESC_TYPE:
1040 /* Reserve the memory for the attribute now, as we need to add sub-attributes */
1041 p_db->p_free_mem += sizeof (tSDP_DISC_ATTR);
1042 p_db->mem_free -= sizeof (tSDP_DISC_ATTR);
1043 p_end = p + attr_len;
1046 /* SDP_TRACE_DEBUG ("SDP - attr nest level:%d", nest_level); */
1047 if (nest_level >= MAX_NEST_LEVELS)
1049 SDP_TRACE_ERROR ("SDP - attr nesting too deep");
1052 if(is_additional_list != 0 || attr_id == ATTR_ID_ADDITION_PROTO_DESC_LISTS)
1053 nest_level |= SDP_ADDITIONAL_LIST_MASK;
1054 /* SDP_TRACE_DEBUG ("SDP - attr nest level:0x%x(finish)", nest_level); */
1058 /* Now, add the list entry */
1059 p = add_attr (p, p_db, p_rec, 0, p_attr, (UINT8)(nest_level + 1));
1066 case TEXT_STR_DESC_TYPE:
1068 BE_STREAM_TO_ARRAY (p, p_attr->attr_value.v.array, (INT32)attr_len);
1071 case BOOLEAN_DESC_TYPE:
1075 p_attr->attr_value.v.u8 = *p++;
1078 SDP_TRACE_WARNING ("SDP - bad len in boolean attr: %d", attr_len);
1079 return (p + attr_len);
1083 default: /* switch (attr_type) */
1087 p_db->p_free_mem += total_len;
1088 p_db->mem_free -= total_len;
1090 /* Add the attribute to the end of the chain */
1093 if (!p_rec->p_first_attr)
1094 p_rec->p_first_attr = p_attr;
1097 tSDP_DISC_ATTR *p_attr1 = p_rec->p_first_attr;
1099 while (p_attr1->p_next_attr)
1100 p_attr1 = p_attr1->p_next_attr;
1102 p_attr1->p_next_attr = p_attr;
1107 if (!p_parent_attr->attr_value.v.p_sub_attr)
1109 p_parent_attr->attr_value.v.p_sub_attr = p_attr;
1110 /* SDP_TRACE_DEBUG ("parent:0x%x(id:%d), ch:0x%x(id:%d)",
1111 p_parent_attr, p_parent_attr->attr_id, p_attr, p_attr->attr_id); */
1115 tSDP_DISC_ATTR *p_attr1 = p_parent_attr->attr_value.v.p_sub_attr;
1116 /* SDP_TRACE_DEBUG ("parent:0x%x(id:%d), ch1:0x%x(id:%d)",
1117 p_parent_attr, p_parent_attr->attr_id, p_attr1, p_attr1->attr_id); */
1119 while (p_attr1->p_next_attr)
1120 p_attr1 = p_attr1->p_next_attr;
1122 p_attr1->p_next_attr = p_attr;
1123 /* SDP_TRACE_DEBUG ("new ch:0x%x(id:%d)", p_attr, p_attr->attr_id); */
1130 #endif /* CLIENT_ENABLED == TRUE */