Home | History | Annotate | Download | only in src
      1 /******************************************************************************
      2  *
      3  * Copyright (C) 2014 Samsung System LSI
      4  *
      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:
      8  *
      9  *  http://www.apache.org/licenses/LICENSE-2.0
     10  *
     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.
     16  *
     17  ******************************************************************************/
     18 
     19 /************************************************************************************
     20  *
     21  *  Filename:      btif_sdp_server.c
     22  *  Description:   SDP server Bluetooth Interface to create and remove SDP records.
     23  *                 To be used in combination with the RFCOMM/L2CAP(LE) sockets.
     24  *
     25  *
     26  ***********************************************************************************/
     27 
     28 #include <hardware/bluetooth.h>
     29 #include <hardware/bt_sdp.h>
     30 #include <stdlib.h>
     31 #include <string.h>
     32 #include <pthread.h>
     33 
     34 #define LOG_TAG "BTIF_SDP_SERVER"
     35 #include "allocator.h"
     36 #include "btif_common.h"
     37 #include "btif_util.h"
     38 #include "bta_sdp_api.h"
     39 #include "bta_sys.h"
     40 #include "utl.h"
     41 #include "btif_sock_util.h"
     42 
     43 static pthread_mutex_t sdp_lock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
     44 
     45 /**
     46  * The need for a state variable have been reduced to two states.
     47  * The remaining state control is handled by program flow
     48  */
     49 typedef enum {
     50     SDP_RECORD_FREE = 0,
     51     SDP_RECORD_ALLOCED,
     52 } sdp_state_t;
     53 
     54 typedef struct {
     55   sdp_state_t state;
     56   int sdp_handle;
     57   bluetooth_sdp_record* record_data;
     58 } sdp_slot_t;
     59 
     60 #define MAX_SDP_SLOTS 128
     61 static sdp_slot_t sdp_slots[MAX_SDP_SLOTS];
     62 
     63 /*****************************************************************************
     64  * LOCAL Functions
     65  *****************************************************************************/
     66 static int add_maps_sdp(const bluetooth_sdp_mas_record* rec);
     67 static int add_mapc_sdp(const bluetooth_sdp_mns_record* rec);
     68 static int add_pbaps_sdp(const bluetooth_sdp_pse_record* rec);
     69 static int add_opps_sdp(const bluetooth_sdp_ops_record* rec);
     70 static int add_saps_sdp(const bluetooth_sdp_sap_record* rec);
     71 bt_status_t remove_sdp_record(int record_id);
     72 static int free_sdp_slot(int id);
     73 
     74 /******************************************************************************
     75  * WARNING: Functions below are not called in BTU context.
     76  * Introduced to make it possible to create SDP records from JAVA with both a
     77  * RFCOMM channel and a L2CAP PSM.
     78  * Overall architecture:
     79  *  1) JAVA calls createRecord() which returns a pseudo ID which at a later
     80  *     point will be linked to a specific SDP handle.
     81  *  2) createRecord() requests the BTU task(thread) to call a callback in SDP
     82  *     which creates the actual record, and updates the ID<->SDPHandle map
     83  *     based on the ID beeing passed to BTA as user_data.
     84  *****************************************************************************/
     85 
     86 static void init_sdp_slots()
     87 {
     88     int i;
     89     memset(sdp_slots, 0, sizeof(sdp_slot_t)*MAX_SDP_SLOTS);
     90     /* if SDP_RECORD_FREE is zero - no need to set the value */
     91     if(SDP_RECORD_FREE != 0) {
     92         for(i = 0; i < MAX_SDP_SLOTS; i++)
     93         {
     94             sdp_slots[i].state = SDP_RECORD_FREE;
     95         }
     96     }
     97 }
     98 
     99 bt_status_t sdp_server_init()
    100 {
    101     BTIF_TRACE_DEBUG("Sdp Server %s", __FUNCTION__);
    102     init_sdp_slots();
    103     return BT_STATUS_SUCCESS;
    104 }
    105 
    106 void sdp_server_cleanup()
    107 {
    108     BTIF_TRACE_DEBUG("Sdp Server %s", __FUNCTION__);
    109     pthread_mutex_lock(&sdp_lock);
    110     int i;
    111     for(i = 0; i < MAX_SDP_SLOTS; i++)
    112     {
    113          /*remove_sdp_record(i); we cannot send messages to the other threads, since they might
    114          *                       have been shut down already. Just do local cleanup.
    115          */
    116         free_sdp_slot(i);
    117     }
    118     pthread_mutex_unlock(&sdp_lock);
    119 }
    120 
    121 int get_sdp_records_size(bluetooth_sdp_record* in_record, int count) {
    122     bluetooth_sdp_record* record = in_record;
    123     int records_size = 0;
    124     int i;
    125     for(i=0; i<count; i++) {
    126         record = &in_record[i];
    127         records_size += sizeof(bluetooth_sdp_record);
    128         records_size += record->hdr.service_name_length;
    129         if(record->hdr.service_name_length > 0){
    130             records_size++; /* + '\0' termination of string */
    131         }
    132         records_size += record->hdr.user1_ptr_len;
    133         records_size += record->hdr.user2_ptr_len;
    134     }
    135     return records_size;
    136 }
    137 
    138 /* Deep copy all content of in_records into out_records.
    139  * out_records must point to a chunk of memory large enough to contain all
    140  * the data. Use getSdpRecordsSize() to calculate the needed size. */
    141 void copy_sdp_records(bluetooth_sdp_record* in_records,
    142         bluetooth_sdp_record* out_records, int count) {
    143     int i;
    144     bluetooth_sdp_record* in_record;
    145     bluetooth_sdp_record* out_record;
    146     char* free_ptr = (char*)(&out_records[count]); /* set pointer to after the last entry */
    147 
    148     for(i=0; i<count; i++) {
    149         in_record = &in_records[i];
    150         out_record = &out_records[i];
    151         *out_record = *in_record;
    152 
    153         if(in_record->hdr.service_name == NULL || in_record->hdr.service_name_length == 0) {
    154             out_record->hdr.service_name = NULL;
    155             out_record->hdr.service_name_length = 0;
    156         } else {
    157             out_record->hdr.service_name = free_ptr; // Update service_name pointer
    158             // Copy string
    159             memcpy(free_ptr, in_record->hdr.service_name, in_record->hdr.service_name_length);
    160             free_ptr += in_record->hdr.service_name_length;
    161             *(free_ptr) = '\0'; // Set '\0' termination of string
    162             free_ptr++;
    163         }
    164         if(in_record->hdr.user1_ptr != NULL) {
    165             out_record->hdr.user1_ptr = (UINT8*)free_ptr; // Update pointer
    166             memcpy(free_ptr, in_record->hdr.user1_ptr, in_record->hdr.user1_ptr_len); // Copy content
    167             free_ptr += in_record->hdr.user1_ptr_len;
    168         }
    169         if(in_record->hdr.user2_ptr != NULL) {
    170             out_record->hdr.user2_ptr = (UINT8*)free_ptr; // Update pointer
    171             memcpy(free_ptr, in_record->hdr.user2_ptr, in_record->hdr.user2_ptr_len); // Copy content
    172             free_ptr += in_record->hdr.user2_ptr_len;
    173         }
    174     }
    175     return;
    176 }
    177 
    178 /* Reserve a slot in sdp_slots, copy data and set a reference to the copy.
    179  * The record_data will contain both the record and any data pointed to by
    180  * the record.
    181  * Currently this covers:
    182  *   service_name string,
    183  *   user1_ptr and
    184  *   user2_ptr. */
    185 static int alloc_sdp_slot(bluetooth_sdp_record* in_record) {
    186     int i;
    187     char* tmp_ptr = NULL;
    188     int record_size = get_sdp_records_size(in_record, 1);
    189     bluetooth_sdp_record* record = osi_malloc(record_size);
    190 
    191     copy_sdp_records(in_record, record, 1);
    192 
    193     /* We are optimists here, and preallocate the record.
    194      * This is to reduce the time we hold the sdp_lock. */
    195     pthread_mutex_lock(&sdp_lock);
    196     for(i = 0; i < MAX_SDP_SLOTS; i++)
    197     {
    198         if(sdp_slots[i].state == SDP_RECORD_FREE) {
    199             sdp_slots[i].state = SDP_RECORD_ALLOCED;
    200             sdp_slots[i].record_data = record;
    201             break;
    202         }
    203     }
    204     pthread_mutex_unlock(&sdp_lock);
    205     if(i >= MAX_SDP_SLOTS) {
    206         APPL_TRACE_ERROR("%s() failed - no more free slots!", __func__);
    207         /* Rearly the optimist is too optimistic, and cleanup is needed...*/
    208         osi_free(record);
    209         return -1;
    210     }
    211     return i;
    212 }
    213 
    214 static int free_sdp_slot(int id) {
    215     int handle = -1;
    216     bluetooth_sdp_record* record = NULL;
    217     if(id >= MAX_SDP_SLOTS) {
    218         APPL_TRACE_ERROR("%s() failed - id %d is invalid", __func__, id);
    219         return handle;
    220     }
    221     pthread_mutex_lock(&sdp_lock);
    222     handle = sdp_slots[id].sdp_handle;
    223     sdp_slots[id].sdp_handle = 0;
    224     if(sdp_slots[id].state != SDP_RECORD_FREE)
    225     {
    226         /* safe a copy of the pointer, and free after unlock() */
    227         record = sdp_slots[id].record_data;
    228     }
    229     sdp_slots[id].state = SDP_RECORD_FREE;
    230     pthread_mutex_unlock(&sdp_lock);
    231 
    232     if(record != NULL) {
    233         osi_free(record);
    234     } else {
    235         // Record have already been freed
    236         handle = -1;
    237     }
    238     return handle;
    239 }
    240 
    241 /***
    242  * Use this to get a reference to a SDP slot AND change the state to
    243  * SDP_RECORD_CREATE_INITIATED.
    244  */
    245 static const sdp_slot_t* start_create_sdp(int id) {
    246     sdp_slot_t* sdp_slot;
    247     if(id >= MAX_SDP_SLOTS) {
    248         APPL_TRACE_ERROR("%s() failed - id %d is invalid", __func__, id);
    249         return NULL;
    250     }
    251     pthread_mutex_lock(&sdp_lock);
    252     if(sdp_slots[id].state == SDP_RECORD_ALLOCED) {
    253         sdp_slot = &(sdp_slots[id]);
    254     } else {
    255         /* The record have been removed before this event occurred - e.g. deinit */
    256         sdp_slot = NULL;
    257     }
    258     pthread_mutex_unlock(&sdp_lock);
    259     if(sdp_slot == NULL) {
    260         APPL_TRACE_ERROR("%s() failed - state for id %d is "
    261                 "sdp_slots[id].state = %d expected %d", __func__,
    262                 id, sdp_slots[id].state, SDP_RECORD_ALLOCED);
    263     }
    264     return sdp_slot;
    265 }
    266 
    267 static void set_sdp_handle(int id, int handle) {
    268     pthread_mutex_lock(&sdp_lock);
    269     sdp_slots[id].sdp_handle = handle;
    270     pthread_mutex_unlock(&sdp_lock);
    271     BTIF_TRACE_DEBUG("%s() id=%d to handle=0x%08x", __FUNCTION__, id, handle);
    272 }
    273 
    274 
    275 bt_status_t create_sdp_record(bluetooth_sdp_record *record, int* record_handle) {
    276     int handle;
    277 
    278     handle = alloc_sdp_slot(record);
    279     BTIF_TRACE_DEBUG("%s() handle = 0x%08x", __FUNCTION__, handle);
    280 
    281     if(handle < 0)
    282         return BT_STATUS_FAIL;
    283 
    284     BTA_SdpCreateRecordByUser((void*) handle);
    285 
    286     *record_handle = handle;
    287 
    288     return BT_STATUS_SUCCESS;
    289 }
    290 
    291 bt_status_t remove_sdp_record(int record_id) {
    292     int handle;
    293 
    294     /* Get the Record handle, and free the slot */
    295     handle = free_sdp_slot(record_id);
    296     BTIF_TRACE_DEBUG("Sdp Server %s id=%d to handle=0x%08x",
    297             __FUNCTION__, record_id, handle);
    298 
    299     /* Pass the actual record handle */
    300     if(handle > 0) {
    301         BTA_SdpRemoveRecordByUser((void*) handle);
    302         return BT_STATUS_SUCCESS;
    303     }
    304     BTIF_TRACE_DEBUG("Sdp Server %s - record already removed - or never created", __FUNCTION__);
    305     return BT_STATUS_FAIL;
    306 }
    307 
    308 
    309 /******************************************************************************
    310  * CALLBACK FUNCTIONS
    311  * Called in BTA context to create/remove SDP records.
    312  ******************************************************************************/
    313 
    314 void on_create_record_event(int id) {
    315     /*
    316      * 1) Fetch the record pointer, and change its state?
    317      * 2) switch on the type to create the correct record
    318      * 3) Update state on completion
    319      * 4) What to do at fail?
    320      * */
    321     BTIF_TRACE_DEBUG("Sdp Server %s", __FUNCTION__);
    322     const sdp_slot_t* sdp_slot = start_create_sdp(id);
    323     /* In the case we are shutting down, sdp_slot is NULL */
    324     if(sdp_slot != NULL) {
    325         bluetooth_sdp_record* record = sdp_slot->record_data;
    326         int handle = -1;
    327         switch(record->hdr.type) {
    328         case SDP_TYPE_MAP_MAS:
    329             handle = add_maps_sdp(&record->mas);
    330             break;
    331         case SDP_TYPE_MAP_MNS:
    332             handle = add_mapc_sdp(&record->mns);
    333             break;
    334         case SDP_TYPE_PBAP_PSE:
    335             handle = add_pbaps_sdp(&record->pse);
    336             break;
    337         case SDP_TYPE_OPP_SERVER:
    338             handle = add_opps_sdp(&record->ops);
    339             break;
    340         case SDP_TYPE_SAP_SERVER:
    341             handle = add_saps_sdp(&record->sap);
    342             break;
    343         case SDP_TYPE_PBAP_PCE:
    344     //        break; not yet supported
    345         default:
    346             BTIF_TRACE_DEBUG("Record type %d is not supported",record->hdr.type);
    347             break;
    348         }
    349         if(handle != -1) {
    350             set_sdp_handle(id, handle);
    351         }
    352     }
    353 }
    354 
    355 void on_remove_record_event(int handle) {
    356     BTIF_TRACE_DEBUG("Sdp Server %s", __FUNCTION__);
    357 
    358     // User data carries the actual SDP handle, not the ID.
    359     if(handle != -1 && handle != 0) {
    360         BOOLEAN result;
    361         result = SDP_DeleteRecord( handle );
    362         if(result == FALSE) {
    363             BTIF_TRACE_ERROR("  Unable to remove handle 0x%08x", handle);
    364         }
    365     }
    366 }
    367 
    368 /****
    369  * Below the actual functions accessing BTA context data - hence only call from BTA context!
    370  */
    371 
    372 /* Create a MAP MAS SDP record based on information stored in a bluetooth_sdp_mas_record */
    373 static int add_maps_sdp(const bluetooth_sdp_mas_record* rec)
    374 {
    375 
    376     tSDP_PROTOCOL_ELEM  protoList [3];
    377     UINT16              service = UUID_SERVCLASS_MESSAGE_ACCESS;
    378     UINT16              browse = UUID_SERVCLASS_PUBLIC_BROWSE_GROUP;
    379     BOOLEAN             status = TRUE;
    380     UINT32              sdp_handle = 0;
    381     UINT8               temp[4];
    382     UINT8*              p_temp = temp;
    383 
    384     APPL_TRACE_DEBUG("%s(): MASID = 0x%02x, scn 0x%02x, psm = 0x%04x\n  service name %s", __func__,
    385             rec->mas_instance_id, rec->hdr.rfcomm_channel_number,
    386             rec->hdr.l2cap_psm, rec->hdr.service_name);
    387 
    388     APPL_TRACE_DEBUG("  msg_types: 0x%02x, feature_bits: 0x%08x",
    389             rec->supported_message_types, rec->supported_features);
    390 
    391     if ((sdp_handle = SDP_CreateRecord()) == 0)
    392     {
    393         APPL_TRACE_ERROR("%s() - Unable to register MAPS Service", __func__);
    394         return sdp_handle;
    395     }
    396 
    397     /* add service class */
    398     status &= SDP_AddServiceClassIdList(sdp_handle, 1, &service);
    399     memset( protoList, 0 , 3*sizeof(tSDP_PROTOCOL_ELEM) );
    400 
    401     /* add protocol list, including RFCOMM scn */
    402     protoList[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
    403     protoList[0].num_params = 0;
    404     protoList[1].protocol_uuid = UUID_PROTOCOL_RFCOMM;
    405     protoList[1].num_params = 1;
    406     protoList[1].params[0] = rec->hdr.rfcomm_channel_number;
    407     protoList[2].protocol_uuid = UUID_PROTOCOL_OBEX;
    408     protoList[2].num_params = 0;
    409     status &= SDP_AddProtocolList(sdp_handle, 3, protoList);
    410 
    411     /* Add a name entry */
    412     status &= SDP_AddAttribute(sdp_handle,
    413                     (UINT16)ATTR_ID_SERVICE_NAME,
    414                     (UINT8)TEXT_STR_DESC_TYPE,
    415                     (UINT32)(rec->hdr.service_name_length + 1),
    416                     (UINT8 *)rec->hdr.service_name);
    417 
    418     /* Add in the Bluetooth Profile Descriptor List */
    419     status &= SDP_AddProfileDescriptorList(sdp_handle,
    420                                      UUID_SERVCLASS_MAP_PROFILE,
    421                                      rec->hdr.profile_version);
    422 
    423     /* Add MAS instance ID */
    424     status &= SDP_AddAttribute(sdp_handle, ATTR_ID_MAS_INSTANCE_ID, UINT_DESC_TYPE,
    425               (UINT32)1, (UINT8*)&rec->mas_instance_id);
    426 
    427     /* Add supported message types */
    428     status &= SDP_AddAttribute(sdp_handle, ATTR_ID_SUPPORTED_MSG_TYPE, UINT_DESC_TYPE,
    429               (UINT32)1, (UINT8*)&rec->supported_message_types);
    430 
    431     /* Add supported feature */
    432     UINT32_TO_BE_STREAM(p_temp, rec->supported_features);
    433     status &= SDP_AddAttribute(sdp_handle, ATTR_ID_MAP_SUPPORTED_FEATURES,
    434             UINT_DESC_TYPE, (UINT32)4, temp);
    435 
    436     /* Add the L2CAP PSM if present */
    437     if(rec->hdr.l2cap_psm != -1) {
    438         p_temp = temp;// The macro modifies p_temp, hence rewind.
    439         UINT16_TO_BE_STREAM(p_temp, rec->hdr.l2cap_psm);
    440         status &= SDP_AddAttribute(sdp_handle, ATTR_ID_GOEP_L2CAP_PSM,
    441                 UINT_DESC_TYPE, (UINT32)2, temp);
    442     }
    443 
    444     /* Make the service browseable */
    445     status &= SDP_AddUuidSequence (sdp_handle, ATTR_ID_BROWSE_GROUP_LIST, 1, &browse);
    446 
    447     if (!status)
    448     {
    449         SDP_DeleteRecord(sdp_handle);
    450         sdp_handle = 0;
    451         APPL_TRACE_ERROR("%s() FAILED", __func__);
    452     }
    453     else
    454     {
    455         bta_sys_add_uuid(service);  /* UUID_SERVCLASS_MESSAGE_ACCESS */
    456         APPL_TRACE_DEBUG("%s():  SDP Registered (handle 0x%08x)", __func__, sdp_handle);
    457     }
    458     return sdp_handle;
    459 }
    460 
    461 /* Create a MAP MNS SDP record based on information stored in a bluetooth_sdp_mns_record */
    462 static int add_mapc_sdp(const bluetooth_sdp_mns_record* rec)
    463 {
    464 
    465     tSDP_PROTOCOL_ELEM  protoList [3];
    466     UINT16              service = UUID_SERVCLASS_MESSAGE_NOTIFICATION;
    467     UINT16              browse = UUID_SERVCLASS_PUBLIC_BROWSE_GROUP;
    468     BOOLEAN             status = TRUE;
    469     UINT32              sdp_handle = 0;
    470     UINT8               temp[4];
    471     UINT8*              p_temp = temp;
    472 
    473     APPL_TRACE_DEBUG("%s(): scn 0x%02x, psm = 0x%04x\n  service name %s", __func__,
    474             rec->hdr.rfcomm_channel_number, rec->hdr.l2cap_psm, rec->hdr.service_name);
    475 
    476     APPL_TRACE_DEBUG("  feature_bits: 0x%08x", rec->supported_features);
    477 
    478     if ((sdp_handle = SDP_CreateRecord()) == 0)
    479     {
    480         APPL_TRACE_ERROR("%s(): Unable to register MAP Notification Service", __func__);
    481         return sdp_handle;
    482     }
    483 
    484     /* add service class */
    485     status &= SDP_AddServiceClassIdList(sdp_handle, 1, &service);
    486     memset( protoList, 0 , 3*sizeof(tSDP_PROTOCOL_ELEM) );
    487 
    488     /* add protocol list, including RFCOMM scn */
    489     protoList[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
    490     protoList[0].num_params = 0;
    491     protoList[1].protocol_uuid = UUID_PROTOCOL_RFCOMM;
    492     protoList[1].num_params = 1;
    493     protoList[1].params[0] = rec->hdr.rfcomm_channel_number;
    494     protoList[2].protocol_uuid = UUID_PROTOCOL_OBEX;
    495     protoList[2].num_params = 0;
    496     status &= SDP_AddProtocolList(sdp_handle, 3, protoList);
    497 
    498     /* Add a name entry */
    499     status &= SDP_AddAttribute(sdp_handle,
    500                     (UINT16)ATTR_ID_SERVICE_NAME,
    501                     (UINT8)TEXT_STR_DESC_TYPE,
    502                     (UINT32)(rec->hdr.service_name_length + 1),
    503                     (UINT8 *)rec->hdr.service_name);
    504 
    505     /* Add in the Bluetooth Profile Descriptor List */
    506     status &= SDP_AddProfileDescriptorList(sdp_handle,
    507                                      UUID_SERVCLASS_MAP_PROFILE,
    508                                      rec->hdr.profile_version);
    509 
    510     /* Add supported feature */
    511     UINT32_TO_BE_STREAM(p_temp, rec->supported_features);
    512     status &= SDP_AddAttribute(sdp_handle, ATTR_ID_MAP_SUPPORTED_FEATURES,
    513             UINT_DESC_TYPE, (UINT32)4, temp);
    514 
    515     /* Add the L2CAP PSM if present */
    516     if(rec->hdr.l2cap_psm != -1) {
    517         p_temp = temp;// The macro modifies p_temp, hence rewind.
    518         UINT16_TO_BE_STREAM(p_temp, rec->hdr.l2cap_psm);
    519         status &= SDP_AddAttribute(sdp_handle, ATTR_ID_GOEP_L2CAP_PSM,
    520                 UINT_DESC_TYPE, (UINT32)2, temp);
    521     }
    522 
    523     /* Make the service browseable */
    524     status &= SDP_AddUuidSequence (sdp_handle, ATTR_ID_BROWSE_GROUP_LIST, 1, &browse);
    525 
    526     if (!status)
    527     {
    528         SDP_DeleteRecord(sdp_handle);
    529         sdp_handle = 0;
    530         APPL_TRACE_ERROR("%s() FAILED", __func__);
    531     }
    532     else
    533     {
    534         bta_sys_add_uuid(service);  /* UUID_SERVCLASS_MESSAGE_ACCESS */
    535         APPL_TRACE_DEBUG("%s():  SDP Registered (handle 0x%08x)", __func__, sdp_handle);
    536     }
    537     return sdp_handle;
    538 }
    539 
    540 /* Create a PBAP Server SDP record based on information stored in a bluetooth_sdp_pse_record */
    541 static int add_pbaps_sdp(const bluetooth_sdp_pse_record* rec)
    542 {
    543 
    544     tSDP_PROTOCOL_ELEM  protoList [3];
    545     UINT16              service = UUID_SERVCLASS_PBAP_PSE;
    546     UINT16              browse = UUID_SERVCLASS_PUBLIC_BROWSE_GROUP;
    547     BOOLEAN             status = TRUE;
    548     UINT32              sdp_handle = 0;
    549     UINT8               temp[4];
    550     UINT8*              p_temp = temp;
    551 
    552     APPL_TRACE_DEBUG("%s(): scn 0x%02x, psm = 0x%04x\n  service name %s", __func__,
    553             rec->hdr.rfcomm_channel_number, rec->hdr.l2cap_psm, rec->hdr.service_name);
    554 
    555     APPL_TRACE_DEBUG("  supported_repositories: 0x%08x, feature_bits: 0x%08x",
    556             rec->supported_repositories, rec->supported_features);
    557 
    558     if ((sdp_handle = SDP_CreateRecord()) == 0)
    559     {
    560         APPL_TRACE_ERROR("%s(): Unable to register PBAP Server Service", __func__);
    561         return sdp_handle;
    562     }
    563 
    564     /* add service class */
    565     status &= SDP_AddServiceClassIdList(sdp_handle, 1, &service);
    566     memset( protoList, 0 , 3*sizeof(tSDP_PROTOCOL_ELEM) );
    567 
    568     /* add protocol list, including RFCOMM scn */
    569     protoList[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
    570     protoList[0].num_params = 0;
    571     protoList[1].protocol_uuid = UUID_PROTOCOL_RFCOMM;
    572     protoList[1].num_params = 1;
    573     protoList[1].params[0] = rec->hdr.rfcomm_channel_number;
    574     protoList[2].protocol_uuid = UUID_PROTOCOL_OBEX;
    575     protoList[2].num_params = 0;
    576     status &= SDP_AddProtocolList(sdp_handle, 3, protoList);
    577 
    578     /* Add a name entry */
    579     status &= SDP_AddAttribute(sdp_handle,
    580                     (UINT16)ATTR_ID_SERVICE_NAME,
    581                     (UINT8)TEXT_STR_DESC_TYPE,
    582                     (UINT32)(rec->hdr.service_name_length + 1),
    583                     (UINT8 *)rec->hdr.service_name);
    584 
    585     /* Add in the Bluetooth Profile Descriptor List */
    586     status &= SDP_AddProfileDescriptorList(sdp_handle,
    587                                      UUID_SERVCLASS_PHONE_ACCESS,
    588                                      rec->hdr.profile_version);
    589 
    590     /* Add supported repositories 1 byte */
    591     status &= SDP_AddAttribute(sdp_handle, ATTR_ID_SUPPORTED_REPOSITORIES,
    592             UINT_DESC_TYPE, (UINT32)1, (UINT8*)&rec->supported_repositories);
    593 
    594     /* Add supported feature 4 bytes*/
    595     UINT32_TO_BE_STREAM(p_temp, rec->supported_features);
    596     status &= SDP_AddAttribute(sdp_handle, ATTR_ID_PBAP_SUPPORTED_FEATURES,
    597             UINT_DESC_TYPE, (UINT32)4, temp);
    598 
    599     /* Add the L2CAP PSM if present */
    600     if(rec->hdr.l2cap_psm != -1) {
    601         p_temp = temp;// The macro modifies p_temp, hence rewind.
    602         UINT16_TO_BE_STREAM(p_temp, rec->hdr.l2cap_psm);
    603         status &= SDP_AddAttribute(sdp_handle, ATTR_ID_GOEP_L2CAP_PSM,
    604                 UINT_DESC_TYPE, (UINT32)2, temp);
    605     }
    606 
    607     /* Make the service browseable */
    608     status &= SDP_AddUuidSequence (sdp_handle, ATTR_ID_BROWSE_GROUP_LIST, 1, &browse);
    609 
    610     if (!status)
    611     {
    612         SDP_DeleteRecord(sdp_handle);
    613         sdp_handle = 0;
    614         APPL_TRACE_ERROR("%s() FAILED", __func__);
    615     }
    616     else
    617     {
    618         bta_sys_add_uuid(service);  /* UUID_SERVCLASS_MESSAGE_ACCESS */
    619         APPL_TRACE_DEBUG("%s():  SDP Registered (handle 0x%08x)", __func__, sdp_handle);
    620     }
    621     return sdp_handle;
    622 }
    623 
    624 
    625 /* Create a OPP Server SDP record based on information stored in a bluetooth_sdp_ops_record */
    626 static int add_opps_sdp(const bluetooth_sdp_ops_record* rec)
    627 {
    628 
    629     tSDP_PROTOCOL_ELEM  protoList [3];
    630     UINT16              service = UUID_SERVCLASS_OBEX_OBJECT_PUSH;
    631     UINT16              browse = UUID_SERVCLASS_PUBLIC_BROWSE_GROUP;
    632     UINT8               type_len[rec->supported_formats_list_len];
    633     UINT8               desc_type[rec->supported_formats_list_len];
    634     UINT8              *type_value[rec->supported_formats_list_len];
    635     BOOLEAN             status = TRUE;
    636     UINT32              sdp_handle = 0;
    637     UINT8               temp[4];
    638     UINT8*              p_temp = temp;
    639     tBTA_UTL_COD        cod;
    640     int i,j;
    641 
    642     APPL_TRACE_DEBUG("%s(): scn 0x%02x, psm = 0x%04x\n  service name %s", __func__,
    643             rec->hdr.rfcomm_channel_number, rec->hdr.l2cap_psm, rec->hdr.service_name);
    644 
    645     APPL_TRACE_DEBUG("  supported formats count: %d",
    646             rec->supported_formats_list_len);
    647 
    648     if ((sdp_handle = SDP_CreateRecord()) == 0)
    649     {
    650         APPL_TRACE_ERROR("%s(): Unable to register Object Push Server Service", __func__);
    651         return sdp_handle;
    652     }
    653 
    654     /* add service class */
    655     status &= SDP_AddServiceClassIdList(sdp_handle, 1, &service);
    656     memset( protoList, 0 , 3*sizeof(tSDP_PROTOCOL_ELEM) );
    657 
    658     /* add protocol list, including RFCOMM scn */
    659     protoList[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
    660     protoList[0].num_params = 0;
    661     protoList[1].protocol_uuid = UUID_PROTOCOL_RFCOMM;
    662     protoList[1].num_params = 1;
    663     protoList[1].params[0] = rec->hdr.rfcomm_channel_number;
    664     protoList[2].protocol_uuid = UUID_PROTOCOL_OBEX;
    665     protoList[2].num_params = 0;
    666     status &= SDP_AddProtocolList(sdp_handle, 3, protoList);
    667 
    668     /* Add a name entry */
    669     status &= SDP_AddAttribute(sdp_handle,
    670                     (UINT16)ATTR_ID_SERVICE_NAME,
    671                     (UINT8)TEXT_STR_DESC_TYPE,
    672                     (UINT32)(rec->hdr.service_name_length + 1),
    673                     (UINT8 *)rec->hdr.service_name);
    674 
    675     /* Add in the Bluetooth Profile Descriptor List */
    676     status &= SDP_AddProfileDescriptorList(sdp_handle,
    677                                      UUID_SERVCLASS_OBEX_OBJECT_PUSH,
    678                                      rec->hdr.profile_version);
    679 
    680     /* add sequence for supported types */
    681     for (i = 0, j = 0; i < rec->supported_formats_list_len; i++)
    682     {
    683         type_value[j] = (UINT8 *) &rec->supported_formats_list[i];
    684         desc_type[j] = UINT_DESC_TYPE;
    685         type_len[j++] = 1;
    686     }
    687 
    688     status &= SDP_AddSequence(sdp_handle, (UINT16) ATTR_ID_SUPPORTED_FORMATS_LIST,
    689         (UINT8) rec->supported_formats_list_len, desc_type, type_len, type_value);
    690 
    691     /* Add the L2CAP PSM if present */
    692     if(rec->hdr.l2cap_psm != -1) {
    693         p_temp = temp;// The macro modifies p_temp, hence rewind.
    694         UINT16_TO_BE_STREAM(p_temp, rec->hdr.l2cap_psm);
    695         status &= SDP_AddAttribute(sdp_handle, ATTR_ID_GOEP_L2CAP_PSM,
    696                 UINT_DESC_TYPE, (UINT32)2, temp);
    697     }
    698 
    699     /* Make the service browseable */
    700     status &= SDP_AddUuidSequence (sdp_handle, ATTR_ID_BROWSE_GROUP_LIST, 1, &browse);
    701 
    702     if (!status)
    703     {
    704         SDP_DeleteRecord(sdp_handle);
    705         sdp_handle = 0;
    706         APPL_TRACE_ERROR("%s() FAILED", __func__);
    707     }
    708     else
    709     {
    710         /* set class of device */
    711         cod.service = BTM_COD_SERVICE_OBJ_TRANSFER;
    712         utl_set_device_class(&cod, BTA_UTL_SET_COD_SERVICE_CLASS);
    713 
    714         bta_sys_add_uuid(service);  /* UUID_SERVCLASS_OBEX_OBJECT_PUSH */
    715         APPL_TRACE_DEBUG("%s():  SDP Registered (handle 0x%08x)", __func__, sdp_handle);
    716     }
    717     return sdp_handle;
    718 }
    719 
    720 // Create a Sim Access Profile SDP record based on information stored in a bluetooth_sdp_sap_record.
    721 static int add_saps_sdp(const bluetooth_sdp_sap_record* rec)
    722 {
    723     tSDP_PROTOCOL_ELEM  protoList [2];
    724     UINT16              services[2];
    725     UINT16              browse = UUID_SERVCLASS_PUBLIC_BROWSE_GROUP;
    726     BOOLEAN             status = TRUE;
    727     UINT32              sdp_handle = 0;
    728 
    729     APPL_TRACE_DEBUG("%s(): scn 0x%02x, service name %s", __func__,
    730             rec->hdr.rfcomm_channel_number, rec->hdr.service_name);
    731 
    732     if ((sdp_handle = SDP_CreateRecord()) == 0)
    733     {
    734         APPL_TRACE_ERROR("%s(): Unable to register SAPS Service", __func__);
    735         return sdp_handle;
    736     }
    737 
    738     services[0] = UUID_SERVCLASS_SAP;
    739     services[1] = UUID_SERVCLASS_GENERIC_TELEPHONY;
    740 
    741     // add service class
    742     status &= SDP_AddServiceClassIdList(sdp_handle, 2, services);
    743     memset(protoList, 0, 2 * sizeof(tSDP_PROTOCOL_ELEM));
    744 
    745     // add protocol list, including RFCOMM scn
    746     protoList[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
    747     protoList[0].num_params = 0;
    748     protoList[1].protocol_uuid = UUID_PROTOCOL_RFCOMM;
    749     protoList[1].num_params = 1;
    750     protoList[1].params[0] = rec->hdr.rfcomm_channel_number;
    751     status &= SDP_AddProtocolList(sdp_handle, 2, protoList);
    752 
    753     // Add a name entry
    754     status &= SDP_AddAttribute(sdp_handle,
    755                     (UINT16)ATTR_ID_SERVICE_NAME,
    756                     (UINT8)TEXT_STR_DESC_TYPE,
    757                     (UINT32)(rec->hdr.service_name_length + 1),
    758                     (UINT8 *)rec->hdr.service_name);
    759 
    760     // Add in the Bluetooth Profile Descriptor List
    761     status &= SDP_AddProfileDescriptorList(sdp_handle,
    762             UUID_SERVCLASS_SAP,
    763             rec->hdr.profile_version);
    764 
    765     // Make the service browseable
    766     status &= SDP_AddUuidSequence (sdp_handle, ATTR_ID_BROWSE_GROUP_LIST, 1, &browse);
    767 
    768     if (!status)
    769     {
    770         SDP_DeleteRecord(sdp_handle);
    771         sdp_handle = 0;
    772         APPL_TRACE_ERROR("%s(): FAILED deleting record", __func__);
    773     }
    774     else
    775     {
    776         bta_sys_add_uuid(UUID_SERVCLASS_SAP);
    777         APPL_TRACE_DEBUG("%s(): SDP Registered (handle 0x%08x)", __func__, sdp_handle);
    778     }
    779     return sdp_handle;
    780 }
    781 
    782