Home | History | Annotate | Download | only in sdp
      1 /******************************************************************************
      2  *
      3  *  Copyright (C) 1999-2012 Broadcom Corporation
      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  *  this file contains functions that handle the database
     22  *
     23  ******************************************************************************/
     24 
     25 #include <stdlib.h>
     26 #include <string.h>
     27 #include <stdio.h>
     28 
     29 #include "bt_target.h"
     30 
     31 #include "gki.h"
     32 
     33 #include "l2cdefs.h"
     34 #include "hcidefs.h"
     35 #include "hcimsgs.h"
     36 
     37 #include "sdp_api.h"
     38 #include "sdpint.h"
     39 #include "wbt_api.h"
     40 
     41 #if SDP_SERVER_ENABLED == TRUE
     42 /********************************************************************************/
     43 /*              L O C A L    F U N C T I O N     P R O T O T Y P E S            */
     44 /********************************************************************************/
     45 static BOOLEAN find_uuid_in_seq (UINT8 *p , UINT32 seq_len, UINT8 *p_his_uuid,
     46                                  UINT16 his_len, int nest_level);
     47 
     48 
     49 /*******************************************************************************
     50 **
     51 ** Function         sdp_db_service_search
     52 **
     53 ** Description      This function searches for a record that contains the
     54 **                  specified UIDs. It is passed either NULL to start at the
     55 **                  beginning, or the previous record found.
     56 **
     57 ** Returns          Pointer to the record, or NULL if not found.
     58 **
     59 *******************************************************************************/
     60 tSDP_RECORD *sdp_db_service_search (tSDP_RECORD *p_rec, tSDP_UUID_SEQ *p_seq)
     61 {
     62     UINT16          xx, yy;
     63     tSDP_ATTRIBUTE *p_attr;
     64     tSDP_RECORD     *p_end = &sdp_cb.server_db.record[sdp_cb.server_db.num_records];
     65 
     66     /* If NULL, start at the beginning, else start at the first specified record */
     67     if (!p_rec)
     68         p_rec = &sdp_cb.server_db.record[0];
     69     else
     70         p_rec++;
     71 
     72     /* Look through the records. The spec says that a match occurs if */
     73     /* the record contains all the passed UUIDs in it.                */
     74     for ( ; p_rec < p_end; p_rec++)
     75     {
     76         for (yy = 0; yy < p_seq->num_uids; yy++)
     77         {
     78             p_attr = &p_rec->attribute[0];
     79             for (xx = 0; xx < p_rec->num_attributes; xx++, p_attr++)
     80             {
     81                 if (p_attr->type == UUID_DESC_TYPE)
     82                 {
     83                     if (sdpu_compare_uuid_arrays (p_attr->value_ptr, p_attr->len,
     84                                                   &p_seq->uuid_entry[yy].value[0],
     85                                                   p_seq->uuid_entry[yy].len))
     86                         break;
     87                 }
     88                 else if (p_attr->type == DATA_ELE_SEQ_DESC_TYPE)
     89                 {
     90                     if (find_uuid_in_seq (p_attr->value_ptr, p_attr->len,
     91                                           &p_seq->uuid_entry[yy].value[0],
     92                                           p_seq->uuid_entry[yy].len, 0))
     93                         break;
     94                 }
     95             }
     96             /* If any UUID was not found,  on to the next record */
     97             if (xx == p_rec->num_attributes)
     98                 break;
     99         }
    100 
    101         /* If every UUID was found in the record, return the record */
    102         if (yy == p_seq->num_uids)
    103             return (p_rec);
    104     }
    105 
    106     /* If here, no more records found */
    107     return (NULL);
    108 }
    109 
    110 /*******************************************************************************
    111 **
    112 ** Function         find_uuid_in_seq
    113 **
    114 ** Description      This function searches a data element sequenct for a UUID.
    115 **
    116 ** Returns          TRUE if found, else FALSE
    117 **
    118 *******************************************************************************/
    119 static BOOLEAN find_uuid_in_seq (UINT8 *p , UINT32 seq_len, UINT8 *p_uuid,
    120                                  UINT16 uuid_len, int nest_level)
    121 {
    122     UINT8   *p_end = p + seq_len;
    123     UINT8   type;
    124     UINT32  len;
    125 
    126     /* A little safety check to avoid excessive recursion */
    127     if (nest_level > 3)
    128         return (FALSE);
    129 
    130     while (p < p_end)
    131     {
    132         type = *p++;
    133         p = sdpu_get_len_from_type (p, type, &len);
    134         type = type >> 3;
    135         if (type == UUID_DESC_TYPE)
    136         {
    137             if (sdpu_compare_uuid_arrays (p, len, p_uuid, uuid_len))
    138                 return (TRUE);
    139         }
    140         else if (type == DATA_ELE_SEQ_DESC_TYPE)
    141         {
    142             if (find_uuid_in_seq (p, len, p_uuid, uuid_len, nest_level + 1))
    143                 return (TRUE);
    144         }
    145         p = p + len;
    146     }
    147 
    148     /* If here, failed to match */
    149     return (FALSE);
    150 }
    151 
    152 /*******************************************************************************
    153 **
    154 ** Function         sdp_db_find_record
    155 **
    156 ** Description      This function searches for a record with a specific handle
    157 **                  It is passed the handle of the record.
    158 **
    159 ** Returns          Pointer to the record, or NULL if not found.
    160 **
    161 *******************************************************************************/
    162 tSDP_RECORD *sdp_db_find_record (UINT32 handle)
    163 {
    164     tSDP_RECORD     *p_rec;
    165     tSDP_RECORD     *p_end = &sdp_cb.server_db.record[sdp_cb.server_db.num_records];
    166 
    167     /* Look through the records for the caller's handle */
    168     for (p_rec = &sdp_cb.server_db.record[0]; p_rec < p_end; p_rec++)
    169     {
    170         if (p_rec->record_handle == handle)
    171             return (p_rec);
    172     }
    173 
    174     /* Record with that handle not found. */
    175     return (NULL);
    176 }
    177 
    178 /*******************************************************************************
    179 **
    180 ** Function         sdp_db_find_attr_in_rec
    181 **
    182 ** Description      This function searches a record for specific attributes.
    183 **                  It is passed a pointer to the record. If the record contains
    184 **                  the specified attribute, (the caller may specify be a range
    185 **                  of attributes), the attribute is returned.
    186 **
    187 ** Returns          Pointer to the attribute, or NULL if not found.
    188 **
    189 *******************************************************************************/
    190 tSDP_ATTRIBUTE *sdp_db_find_attr_in_rec (tSDP_RECORD *p_rec, UINT16 start_attr,
    191                                          UINT16 end_attr)
    192 {
    193     tSDP_ATTRIBUTE  *p_at;
    194     UINT16          xx;
    195 
    196     /* Note that the attributes in a record are assumed to be in sorted order */
    197     for (xx = 0, p_at = &p_rec->attribute[0]; xx < p_rec->num_attributes;
    198          xx++, p_at++)
    199     {
    200         if ((p_at->id >= start_attr) && (p_at->id <= end_attr))
    201             return (p_at);
    202     }
    203 
    204     /* No matching attribute found */
    205     return (NULL);
    206 }
    207 
    208 
    209 /*******************************************************************************
    210 **
    211 ** Function         sdp_compose_proto_list
    212 **
    213 ** Description      This function is called to compose a data sequence from
    214 **                  protocol element list struct pointer
    215 **
    216 ** Returns          the length of the data sequence
    217 **
    218 *******************************************************************************/
    219 static int sdp_compose_proto_list( UINT8 *p, UINT16 num_elem,
    220                                   tSDP_PROTOCOL_ELEM *p_elem_list)
    221 {
    222     UINT16          xx, yy, len;
    223     BOOLEAN            is_rfcomm_scn;
    224     UINT8           *p_head = p;
    225     UINT8            *p_len;
    226 
    227     /* First, build the protocol list. This consists of a set of data element
    228     ** sequences, one for each layer. Each layer sequence consists of layer's
    229     ** UUID and optional parameters
    230     */
    231     for (xx = 0; xx < num_elem; xx++, p_elem_list++)
    232     {
    233         len = 3 + (p_elem_list->num_params * 3);
    234         UINT8_TO_BE_STREAM  (p, (DATA_ELE_SEQ_DESC_TYPE << 3) | SIZE_IN_NEXT_BYTE);
    235 
    236         p_len = p;
    237         *p++ = (UINT8) len;
    238 
    239         UINT8_TO_BE_STREAM  (p, (UUID_DESC_TYPE << 3) | SIZE_TWO_BYTES);
    240         UINT16_TO_BE_STREAM (p, p_elem_list->protocol_uuid);
    241 
    242         if (p_elem_list->protocol_uuid == UUID_PROTOCOL_RFCOMM)
    243             is_rfcomm_scn = TRUE;
    244         else
    245             is_rfcomm_scn = FALSE;
    246 
    247         for (yy = 0; yy < p_elem_list->num_params; yy++)
    248         {
    249             if (is_rfcomm_scn)
    250             {
    251                 UINT8_TO_BE_STREAM  (p, (UINT_DESC_TYPE << 3) | SIZE_ONE_BYTE);
    252                 UINT8_TO_BE_STREAM (p, p_elem_list->params[yy]);
    253 
    254                 *p_len -= 1;
    255             }
    256             else
    257             {
    258                 UINT8_TO_BE_STREAM  (p, (UINT_DESC_TYPE << 3) | SIZE_TWO_BYTES);
    259                 UINT16_TO_BE_STREAM (p, p_elem_list->params[yy]);
    260             }
    261         }
    262     }
    263     return (p - p_head);
    264 }
    265 
    266 #endif  /* SDP_SERVER_ENABLED == TRUE */
    267 
    268 /*******************************************************************************
    269 **
    270 ** Function         SDP_CreateRecord
    271 **
    272 ** Description      This function is called to create a record in the database.
    273 **                  This would be through the SDP database maintenance API. The
    274 **                  record is created empty, teh application should then call
    275 **                  "add_attribute" to add the record's attributes.
    276 **
    277 ** Returns          Record handle if OK, else 0.
    278 **
    279 *******************************************************************************/
    280 UINT32 SDP_CreateRecord (void)
    281 {
    282 #if SDP_SERVER_ENABLED == TRUE
    283     UINT32    handle;
    284     UINT8     buf[4];
    285     tSDP_DB  *p_db = &sdp_cb.server_db;
    286 
    287     /* First, check if there is a free record */
    288     if (p_db->num_records < SDP_MAX_RECORDS)
    289     {
    290         memset (&p_db->record[p_db->num_records], 0,
    291                 sizeof (tSDP_RECORD));
    292 
    293         /* We will use a handle of the first unreserved handle plus last record
    294         ** number + 1 */
    295         if (p_db->num_records)
    296             handle = p_db->record[p_db->num_records - 1].record_handle + 1;
    297         else
    298             handle = 0x10000;
    299 
    300         p_db->record[p_db->num_records].record_handle = handle;
    301 
    302         p_db->num_records++;
    303 
    304         /* Add the first attribute (the handle) automatically */
    305         UINT32_TO_BE_FIELD (buf, handle);
    306         SDP_AddAttribute (handle, ATTR_ID_SERVICE_RECORD_HDL, UINT_DESC_TYPE,
    307                           4, buf);
    308 
    309         return (p_db->record[p_db->num_records - 1].record_handle);
    310     }
    311 #endif
    312         return (0);
    313 }
    314 
    315 
    316 /*******************************************************************************
    317 **
    318 ** Function         SDP_DeleteRecord
    319 **
    320 ** Description      This function is called to add a record (or all records)
    321 **                  from the database. This would be through the SDP database
    322 **                  maintenance API.
    323 **
    324 **                  If a record handle of 0 is passed, all records are deleted.
    325 **
    326 ** Returns          TRUE if succeeded, else FALSE
    327 **
    328 *******************************************************************************/
    329 BOOLEAN SDP_DeleteRecord (UINT32 handle)
    330 {
    331 #if SDP_SERVER_ENABLED == TRUE
    332     UINT16          xx, yy, zz;
    333     tSDP_RECORD     *p_rec = &sdp_cb.server_db.record[0];
    334 
    335     if (handle == 0 || sdp_cb.server_db.num_records == 0)
    336     {
    337         /* Delete all records in the database */
    338         sdp_cb.server_db.num_records = 0;
    339 
    340         /* require new DI record to be created in SDP_SetLocalDiRecord */
    341         sdp_cb.server_db.di_primary_handle = 0;
    342         sdp_cb.server_db.brcm_di_registered = 0;
    343 
    344         return (TRUE);
    345     }
    346     else
    347     {
    348         /* Find the record in the database */
    349         for (xx = 0; xx < sdp_cb.server_db.num_records; xx++, p_rec++)
    350         {
    351             if (p_rec->record_handle == handle)
    352             {
    353                 /* Found it. Shift everything up one */
    354                 for (yy = xx; yy < sdp_cb.server_db.num_records; yy++, p_rec++)
    355                 {
    356                     *p_rec = *(p_rec + 1);
    357 
    358                     /* Adjust the attribute value pointer for each attribute */
    359                     for (zz = 0; zz < p_rec->num_attributes; zz++)
    360                         p_rec->attribute[zz].value_ptr -= sizeof(tSDP_RECORD);
    361                 }
    362 
    363                 sdp_cb.server_db.num_records--;
    364 
    365                 /* if we're deleting the primary DI record, clear the */
    366                 /* value in the control block */
    367                 if( sdp_cb.server_db.di_primary_handle == handle )
    368                 {
    369                     sdp_cb.server_db.di_primary_handle = 0;
    370                     sdp_cb.server_db.brcm_di_registered = 0;
    371                 }
    372 
    373                 return (TRUE);
    374             }
    375         }
    376     }
    377 #endif
    378     return (FALSE);
    379 }
    380 
    381 
    382 /*******************************************************************************
    383 **
    384 ** Function         SDP_AddAttribute
    385 **
    386 ** Description      This function is called to add an attribute to a record.
    387 **                  This would be through the SDP database maintenance API.
    388 **                  If the attribute already exists in the record, it is replaced
    389 **                  with the new value.
    390 **
    391 ** NOTE             Attribute values must be passed as a Big Endian stream.
    392 **
    393 ** Returns          TRUE if added OK, else FALSE
    394 **
    395 *******************************************************************************/
    396 BOOLEAN SDP_AddAttribute (UINT32 handle, UINT16 attr_id, UINT8 attr_type,
    397                           UINT32 attr_len, UINT8 *p_val)
    398 {
    399 #if SDP_SERVER_ENABLED == TRUE
    400     UINT16          xx, yy, zz;
    401     tSDP_RECORD     *p_rec = &sdp_cb.server_db.record[0];
    402 
    403 #if (BT_TRACE_VERBOSE == TRUE)
    404     if (sdp_cb.trace_level >= BT_TRACE_LEVEL_DEBUG)
    405     {
    406         if ((attr_type == UINT_DESC_TYPE) ||
    407             (attr_type == TWO_COMP_INT_DESC_TYPE) ||
    408             (attr_type == UUID_DESC_TYPE) ||
    409             (attr_type == DATA_ELE_SEQ_DESC_TYPE) ||
    410             (attr_type == DATA_ELE_ALT_DESC_TYPE))
    411         {
    412             UINT8 num_array[400];
    413             UINT32 i;
    414             UINT32 len = (attr_len > 200) ? 200 : attr_len;
    415 
    416             num_array[0] ='\0';
    417             for (i = 0; i < len; i++)
    418             {
    419                 sprintf((char *)&num_array[i*2],"%02X",(UINT8)(p_val[i]));
    420             }
    421             SDP_TRACE_DEBUG6("SDP_AddAttribute: handle:%X, id:%04X, type:%d, len:%d, p_val:%p, *p_val:%s",
    422                             handle,attr_id,attr_type,attr_len,p_val,num_array);
    423         }
    424         else if (attr_type == BOOLEAN_DESC_TYPE)
    425         {
    426             SDP_TRACE_DEBUG6("SDP_AddAttribute: handle:%X, id:%04X, type:%d, len:%d, p_val:%p, *p_val:%d",
    427                              handle,attr_id,attr_type,attr_len,p_val,*p_val);
    428         }
    429         else
    430         {
    431             SDP_TRACE_DEBUG6("SDP_AddAttribute: handle:%X, id:%04X, type:%d, len:%d, p_val:%p, *p_val:%s",
    432                 handle,attr_id,attr_type,attr_len,p_val,p_val);
    433         }
    434     }
    435 #endif
    436 
    437     /* Find the record in the database */
    438     for (zz = 0; zz < sdp_cb.server_db.num_records; zz++, p_rec++)
    439     {
    440         if (p_rec->record_handle == handle)
    441         {
    442             tSDP_ATTRIBUTE  *p_attr = &p_rec->attribute[0];
    443 
    444             /* Found the record. Now, see if the attribute already exists */
    445             for (xx = 0; xx < p_rec->num_attributes; xx++, p_attr++)
    446             {
    447                 /* The attribute exists. replace it */
    448                 if (p_attr->id == attr_id)
    449                 {
    450                     SDP_DeleteAttribute (handle, attr_id);
    451                     break;
    452                 }
    453                 if (p_attr->id > attr_id)
    454                     break;
    455             }
    456 
    457             if (p_rec->num_attributes == SDP_MAX_REC_ATTR)
    458                 return (FALSE);
    459 
    460             /* If not found, see if we can allocate a new entry */
    461             if (xx == p_rec->num_attributes)
    462                 p_attr = &p_rec->attribute[p_rec->num_attributes];
    463             else
    464             {
    465                 /* Since the attributes are kept in sorted order, insert ours here */
    466                 for (yy = p_rec->num_attributes; yy > xx; yy--)
    467                     p_rec->attribute[yy] = p_rec->attribute[yy - 1];
    468             }
    469 
    470             p_attr->id   = attr_id;
    471             p_attr->type = attr_type;
    472             p_attr->len  = attr_len;
    473 
    474             if (p_rec->free_pad_ptr + attr_len >= SDP_MAX_PAD_LEN)
    475             {
    476                 /* do truncate only for text string type descriptor */
    477                 if (attr_type == TEXT_STR_DESC_TYPE)
    478                 {
    479                     SDP_TRACE_WARNING2("SDP_AddAttribute: attr_len:%d too long. truncate to (%d)",
    480                         attr_len, SDP_MAX_PAD_LEN - p_rec->free_pad_ptr );
    481 
    482                     attr_len = SDP_MAX_PAD_LEN - p_rec->free_pad_ptr;
    483                     p_val[SDP_MAX_PAD_LEN - p_rec->free_pad_ptr] = '\0';
    484                     p_val[SDP_MAX_PAD_LEN - p_rec->free_pad_ptr+1] = '\0';
    485                 }
    486                 else
    487                     attr_len = 0;
    488             }
    489 
    490             if ((attr_len > 0) && (p_val != 0))
    491             {
    492                 p_attr->len  = attr_len;
    493                 memcpy (&p_rec->attr_pad[p_rec->free_pad_ptr], p_val, (size_t)attr_len);
    494                 p_attr->value_ptr = &p_rec->attr_pad[p_rec->free_pad_ptr];
    495                 p_rec->free_pad_ptr += attr_len;
    496             }
    497             else if ((attr_len == 0 && p_attr->len != 0) || /* if truncate to 0 length, simply don't add */
    498                       p_val == 0)
    499             {
    500                 SDP_TRACE_ERROR2("SDP_AddAttribute fail, length exceed maximum: ID %d: attr_len:%d ",
    501                     attr_id, attr_len );
    502                 p_attr->id   = p_attr->type = p_attr->len  = 0;
    503                 return (FALSE);
    504             }
    505             p_rec->num_attributes++;
    506 
    507             /*** Mark DI record as used by Broadcom ***/
    508             if (handle == sdp_cb.server_db.di_primary_handle &&
    509                 attr_id == ATTR_ID_EXT_BRCM_VERSION)
    510                 sdp_cb.server_db.brcm_di_registered = TRUE;
    511 
    512             return (TRUE);
    513         }
    514     }
    515 #endif
    516     return (FALSE);
    517 }
    518 
    519 
    520 /*******************************************************************************
    521 **
    522 ** Function         SDP_AddSequence
    523 **
    524 ** Description      This function is called to add a sequence to a record.
    525 **                  This would be through the SDP database maintenance API.
    526 **                  If the sequence already exists in the record, it is replaced
    527 **                  with the new sequence.
    528 **
    529 ** NOTE             Element values must be passed as a Big Endian stream.
    530 **
    531 ** Returns          TRUE if added OK, else FALSE
    532 **
    533 *******************************************************************************/
    534 BOOLEAN SDP_AddSequence (UINT32 handle,  UINT16 attr_id, UINT16 num_elem,
    535                          UINT8 type[], UINT8 len[], UINT8 *p_val[])
    536 {
    537 #if SDP_SERVER_ENABLED == TRUE
    538     UINT16          xx;
    539     UINT8           buff[SDP_MAX_ATTR_LEN * 2];
    540     UINT8           *p;
    541     UINT8           *p_head;
    542 
    543     p = buff;
    544     /* First, build the sequence */
    545     for (xx = 0; xx < num_elem; xx++)
    546     {
    547         p_head = p;
    548         switch (len[xx])
    549         {
    550         case 1:
    551             UINT8_TO_BE_STREAM (p, (type[xx] << 3) | SIZE_ONE_BYTE);
    552             break;
    553         case 2:
    554             UINT8_TO_BE_STREAM  (p, (type[xx] << 3) | SIZE_TWO_BYTES);
    555             break;
    556         case 4:
    557             UINT8_TO_BE_STREAM  (p, (type[xx] << 3) | SIZE_FOUR_BYTES);
    558             break;
    559         case 8:
    560             UINT8_TO_BE_STREAM  (p, (type[xx] << 3) | SIZE_EIGHT_BYTES);
    561             break;
    562         case 16:
    563             UINT8_TO_BE_STREAM  (p, (type[xx] << 3) | SIZE_SIXTEEN_BYTES);
    564             break;
    565         default:
    566             UINT8_TO_BE_STREAM (p, (type[xx] << 3) | SIZE_IN_NEXT_BYTE);
    567             UINT8_TO_BE_STREAM (p, len[xx]);
    568             break;
    569         }
    570 
    571         ARRAY_TO_BE_STREAM (p, p_val[xx], len[xx]);
    572 
    573         if (p - buff > SDP_MAX_ATTR_LEN)
    574         {
    575             /* go back to before we add this element */
    576             p = p_head;
    577             if(p_head == buff)
    578             {
    579                 /* the first element exceed the max length */
    580                 SDP_TRACE_ERROR0 ("SDP_AddSequence - too long(attribute is not added)!!");
    581                 return FALSE;
    582             }
    583             else
    584                 SDP_TRACE_ERROR2 ("SDP_AddSequence - too long, add %d elements of %d", xx, num_elem);
    585             break;
    586         }
    587     }
    588 
    589     return (SDP_AddAttribute (handle, attr_id, DATA_ELE_SEQ_DESC_TYPE,
    590             (UINT32) (p - buff), buff));
    591 #else   /* SDP_SERVER_ENABLED == FALSE */
    592     return (FALSE);
    593 #endif
    594 }
    595 
    596 
    597 /*******************************************************************************
    598 **
    599 ** Function         SDP_AddUuidSequence
    600 **
    601 ** Description      This function is called to add a UUID sequence to a record.
    602 **                  This would be through the SDP database maintenance API.
    603 **                  If the sequence already exists in the record, it is replaced
    604 **                  with the new sequence.
    605 **
    606 ** Returns          TRUE if added OK, else FALSE
    607 **
    608 *******************************************************************************/
    609 BOOLEAN SDP_AddUuidSequence (UINT32 handle,  UINT16 attr_id, UINT16 num_uuids,
    610                              UINT16 *p_uuids)
    611 {
    612 #if SDP_SERVER_ENABLED == TRUE
    613     UINT16          xx;
    614     UINT8           buff[SDP_MAX_ATTR_LEN * 2];
    615     UINT8           *p = buff;
    616     INT32           max_len = SDP_MAX_ATTR_LEN -3;
    617 
    618     /* First, build the sequence */
    619     for (xx = 0; xx < num_uuids ; xx++, p_uuids++)
    620     {
    621         UINT8_TO_BE_STREAM  (p, (UUID_DESC_TYPE << 3) | SIZE_TWO_BYTES);
    622         UINT16_TO_BE_STREAM (p, *p_uuids);
    623 
    624         if((p - buff) > max_len)
    625         {
    626             SDP_TRACE_WARNING2 ("SDP_AddUuidSequence - too long, add %d uuids of %d", xx, num_uuids);
    627             break;
    628         }
    629     }
    630 
    631     return (SDP_AddAttribute (handle, attr_id, DATA_ELE_SEQ_DESC_TYPE,
    632             (UINT32) (p - buff), buff));
    633 #else   /* SDP_SERVER_ENABLED == FALSE */
    634     return (FALSE);
    635 #endif
    636 }
    637 
    638 /*******************************************************************************
    639 **
    640 ** Function         SDP_AddProtocolList
    641 **
    642 ** Description      This function is called to add a protocol descriptor list to
    643 **                  a record. This would be through the SDP database maintenance API.
    644 **                  If the protocol list already exists in the record, it is replaced
    645 **                  with the new list.
    646 **
    647 ** Returns          TRUE if added OK, else FALSE
    648 **
    649 *******************************************************************************/
    650 BOOLEAN SDP_AddProtocolList (UINT32 handle, UINT16 num_elem,
    651                              tSDP_PROTOCOL_ELEM *p_elem_list)
    652 {
    653 #if SDP_SERVER_ENABLED == TRUE
    654     UINT8           buff[SDP_MAX_ATTR_LEN * 2];
    655     int offset;
    656 
    657     offset = sdp_compose_proto_list(buff, num_elem, p_elem_list);
    658 
    659     return (SDP_AddAttribute (handle, ATTR_ID_PROTOCOL_DESC_LIST,
    660             DATA_ELE_SEQ_DESC_TYPE, (UINT32) offset, buff));
    661 #else   /* SDP_SERVER_ENABLED == FALSE */
    662     return (FALSE);
    663 #endif
    664 }
    665 
    666 
    667 /*******************************************************************************
    668 **
    669 ** Function         SDP_AddAdditionProtoLists
    670 **
    671 ** Description      This function is called to add a protocol descriptor list to
    672 **                  a record. This would be through the SDP database maintenance API.
    673 **                  If the protocol list already exists in the record, it is replaced
    674 **                  with the new list.
    675 **
    676 ** Returns          TRUE if added OK, else FALSE
    677 **
    678 *******************************************************************************/
    679 BOOLEAN SDP_AddAdditionProtoLists (UINT32 handle, UINT16 num_elem,
    680                                    tSDP_PROTO_LIST_ELEM *p_proto_list)
    681 {
    682 #if SDP_SERVER_ENABLED == TRUE
    683     UINT16          xx;
    684     UINT8           buff[SDP_MAX_ATTR_LEN * 2];
    685     UINT8           *p = buff;
    686     UINT8            *p_len;
    687     int offset;
    688 
    689     /* for each ProtocolDescriptorList */
    690     for (xx = 0; xx < num_elem; xx++, p_proto_list++)
    691     {
    692         UINT8_TO_BE_STREAM  (p, (DATA_ELE_SEQ_DESC_TYPE << 3) | SIZE_IN_NEXT_BYTE);
    693         p_len = p++;
    694 
    695         offset = sdp_compose_proto_list(p, p_proto_list->num_elems,
    696                                         p_proto_list->list_elem);
    697         p += offset;
    698 
    699         *p_len  = (UINT8)(p - p_len - 1);
    700     }
    701 
    702     return (SDP_AddAttribute (handle, ATTR_ID_ADDITION_PROTO_DESC_LISTS,
    703             DATA_ELE_SEQ_DESC_TYPE, (UINT32) (p - buff), buff));
    704 #else   /* SDP_SERVER_ENABLED == FALSE */
    705     return (FALSE);
    706 #endif
    707 }
    708 
    709 /*******************************************************************************
    710 **
    711 ** Function         SDP_AddProfileDescriptorList
    712 **
    713 ** Description      This function is called to add a profile descriptor list to
    714 **                  a record. This would be through the SDP database maintenance API.
    715 **                  If the version already exists in the record, it is replaced
    716 **                  with the new one.
    717 **
    718 ** Returns          TRUE if added OK, else FALSE
    719 **
    720 *******************************************************************************/
    721 BOOLEAN SDP_AddProfileDescriptorList (UINT32 handle, UINT16 profile_uuid,
    722                                       UINT16 version)
    723 {
    724 #if SDP_SERVER_ENABLED == TRUE
    725     UINT8           buff[SDP_MAX_ATTR_LEN];
    726     UINT8           *p = &buff[2];
    727 
    728     /* First, build the profile descriptor list. This consists of a data element sequence. */
    729     /* The sequence consists of profile's UUID and version number  */
    730     UINT8_TO_BE_STREAM  (p, (UUID_DESC_TYPE << 3) | SIZE_TWO_BYTES);
    731     UINT16_TO_BE_STREAM (p, profile_uuid);
    732 
    733     UINT8_TO_BE_STREAM  (p, (UINT_DESC_TYPE << 3) | SIZE_TWO_BYTES);
    734     UINT16_TO_BE_STREAM (p, version);
    735 
    736     /* Add in type and length fields */
    737     buff[0] = (UINT8) ((DATA_ELE_SEQ_DESC_TYPE << 3) | SIZE_IN_NEXT_BYTE);
    738     buff[1] = (UINT8) (p - &buff[2]);
    739 
    740     return (SDP_AddAttribute (handle, ATTR_ID_BT_PROFILE_DESC_LIST,
    741             DATA_ELE_SEQ_DESC_TYPE, (UINT32) (p - buff), buff));
    742 #else   /* SDP_SERVER_ENABLED == FALSE */
    743     return (FALSE);
    744 #endif
    745 }
    746 
    747 
    748 /*******************************************************************************
    749 **
    750 ** Function         SDP_AddLanguageBaseAttrIDList
    751 **
    752 ** Description      This function is called to add a language base attr list to
    753 **                  a record. This would be through the SDP database maintenance API.
    754 **                  If the version already exists in the record, it is replaced
    755 **                  with the new one.
    756 **
    757 ** Returns          TRUE if added OK, else FALSE
    758 **
    759 *******************************************************************************/
    760 BOOLEAN SDP_AddLanguageBaseAttrIDList (UINT32 handle, UINT16 lang,
    761                                        UINT16 char_enc, UINT16 base_id)
    762 {
    763 #if SDP_SERVER_ENABLED == TRUE
    764     UINT8           buff[SDP_MAX_ATTR_LEN];
    765     UINT8           *p = buff;
    766 
    767     /* First, build the language base descriptor list. This consists of a data */
    768     /* element sequence. The sequence consists of 9 bytes (3 UINt16 fields)    */
    769     UINT8_TO_BE_STREAM  (p, (UINT_DESC_TYPE << 3) | SIZE_TWO_BYTES);
    770     UINT16_TO_BE_STREAM (p, lang);
    771 
    772     UINT8_TO_BE_STREAM  (p, (UINT_DESC_TYPE << 3) | SIZE_TWO_BYTES);
    773     UINT16_TO_BE_STREAM (p, char_enc);
    774 
    775     UINT8_TO_BE_STREAM  (p, (UINT_DESC_TYPE << 3) | SIZE_TWO_BYTES);
    776     UINT16_TO_BE_STREAM (p, base_id);
    777 
    778     return (SDP_AddAttribute (handle, ATTR_ID_LANGUAGE_BASE_ATTR_ID_LIST,
    779             DATA_ELE_SEQ_DESC_TYPE, (UINT32) (p - buff), buff));
    780 #else   /* SDP_SERVER_ENABLED == FALSE */
    781     return (FALSE);
    782 #endif
    783 }
    784 
    785 
    786 /*******************************************************************************
    787 **
    788 ** Function         SDP_AddServiceClassIdList
    789 **
    790 ** Description      This function is called to add a service list to a record.
    791 **                  This would be through the SDP database maintenance API.
    792 **                  If the service list already exists in the record, it is replaced
    793 **                  with the new list.
    794 **
    795 ** Returns          TRUE if added OK, else FALSE
    796 **
    797 *******************************************************************************/
    798 BOOLEAN SDP_AddServiceClassIdList (UINT32 handle, UINT16 num_services,
    799                                    UINT16 *p_service_uuids)
    800 {
    801 #if SDP_SERVER_ENABLED == TRUE
    802     UINT16          xx;
    803     UINT8           buff[SDP_MAX_ATTR_LEN * 2];
    804     UINT8           *p = buff;
    805 
    806     for (xx = 0; xx < num_services; xx++, p_service_uuids++)
    807     {
    808         UINT8_TO_BE_STREAM  (p, (UUID_DESC_TYPE << 3) | SIZE_TWO_BYTES);
    809         UINT16_TO_BE_STREAM (p, *p_service_uuids);
    810     }
    811 
    812     return (SDP_AddAttribute (handle, ATTR_ID_SERVICE_CLASS_ID_LIST,
    813             DATA_ELE_SEQ_DESC_TYPE, (UINT32) (p - buff), buff));
    814 #else   /* SDP_SERVER_ENABLED == FALSE */
    815     return (FALSE);
    816 #endif
    817 }
    818 
    819 
    820 /*******************************************************************************
    821 **
    822 ** Function         SDP_DeleteAttribute
    823 **
    824 ** Description      This function is called to delete an attribute from a record.
    825 **                  This would be through the SDP database maintenance API.
    826 **
    827 ** Returns          TRUE if deleted OK, else FALSE if not found
    828 **
    829 *******************************************************************************/
    830 BOOLEAN SDP_DeleteAttribute (UINT32 handle, UINT16 attr_id)
    831 {
    832 #if SDP_SERVER_ENABLED == TRUE
    833     UINT16          xx, yy;
    834     tSDP_RECORD     *p_rec = &sdp_cb.server_db.record[0];
    835     UINT8           *pad_ptr;
    836     UINT32  len;                        /* Number of bytes in the entry */
    837 
    838     /* Find the record in the database */
    839     for (xx = 0; xx < sdp_cb.server_db.num_records; xx++, p_rec++)
    840     {
    841         if (p_rec->record_handle == handle)
    842         {
    843             tSDP_ATTRIBUTE  *p_attr = &p_rec->attribute[0];
    844 
    845             SDP_TRACE_API2("Deleting attr_id 0x%04x for handle 0x%x", attr_id, handle);
    846             /* Found it. Now, find the attribute */
    847             for (xx = 0; xx < p_rec->num_attributes; xx++, p_attr++)
    848             {
    849                 if (p_attr->id == attr_id)
    850                 {
    851                     pad_ptr = p_attr->value_ptr;
    852                     len = p_attr->len;
    853 
    854                     if (len)
    855                     {
    856                         for (yy = 0; yy < p_rec->num_attributes; yy++)
    857                         {
    858                             if( p_rec->attribute[yy].value_ptr > pad_ptr )
    859                                 p_rec->attribute[yy].value_ptr -= len;
    860                         }
    861                     }
    862 
    863                     /* Found it. Shift everything up one */
    864                     p_rec->num_attributes--;
    865 
    866                     for (yy = xx; yy < p_rec->num_attributes; yy++, p_attr++)
    867                     {
    868                         *p_attr = *(p_attr + 1);
    869                     }
    870 
    871                     /* adjust attribute values if needed */
    872                     if (len)
    873                     {
    874                         xx = (p_rec->free_pad_ptr - ((pad_ptr+len) -
    875                                                   &p_rec->attr_pad[0]));
    876                         for( yy=0; yy<xx; yy++, pad_ptr++)
    877                             *pad_ptr = *(pad_ptr+len);
    878                         p_rec->free_pad_ptr -= len;
    879                     }
    880                     return (TRUE);
    881                 }
    882             }
    883         }
    884     }
    885 #endif
    886     /* If here, not found */
    887     return (FALSE);
    888 }
    889 
    890 /*******************************************************************************
    891 **
    892 ** Function         SDP_ReadRecord
    893 **
    894 ** Description      This function is called to get the raw data of the record
    895 **                  with the given handle from the database.
    896 **
    897 ** Returns          -1, if the record is not found.
    898 **                  Otherwise, the offset (0 or 1) to start of data in p_data.
    899 **
    900 **                  The size of data copied into p_data is in *p_data_len.
    901 **
    902 *******************************************************************************/
    903 #if (SDP_RAW_DATA_INCLUDED == TRUE)
    904 INT32 SDP_ReadRecord(UINT32 handle, UINT8 *p_data, INT32 *p_data_len)
    905 {
    906     INT32           len = 0;                        /* Number of bytes in the entry */
    907     INT32           offset = -1; /* default to not found */
    908 #if SDP_SERVER_ENABLED == TRUE
    909     tSDP_RECORD     *p_rec;
    910     UINT16          start = 0;
    911     UINT16          end = 0xffff;
    912     tSDP_ATTRIBUTE  *p_attr;
    913     UINT16          rem_len;
    914     UINT8           *p_rsp;
    915 
    916     /* Find the record in the database */
    917     p_rec = sdp_db_find_record(handle);
    918     if(p_rec && p_data && p_data_len)
    919     {
    920         p_rsp = &p_data[3];
    921         while ( (p_attr = sdp_db_find_attr_in_rec (p_rec, start, end)) != NULL)
    922         {
    923             /* Check if attribute fits. Assume 3-byte value type/length */
    924             rem_len = *p_data_len - (UINT16) (p_rsp - p_data);
    925 
    926             if (p_attr->len > (UINT32)(rem_len - 6))
    927                 break;
    928 
    929             p_rsp = sdpu_build_attrib_entry (p_rsp, p_attr);
    930 
    931             /* next attr id */
    932             start = p_attr->id + 1;
    933         }
    934         len = (INT32) (p_rsp - p_data);
    935 
    936         /* Put in the sequence header (2 or 3 bytes) */
    937         if (len > 255)
    938         {
    939             offset = 0;
    940             p_data[0] = (UINT8) ((DATA_ELE_SEQ_DESC_TYPE << 3) | SIZE_IN_NEXT_WORD);
    941             p_data[1] = (UINT8) ((len - 3) >> 8);
    942             p_data[2] = (UINT8) (len - 3);
    943         }
    944         else
    945         {
    946             offset = 1;
    947 
    948             p_data[1] = (UINT8) ((DATA_ELE_SEQ_DESC_TYPE << 3) | SIZE_IN_NEXT_BYTE);
    949             p_data[2] = (UINT8) (len - 3);
    950 
    951             len--;
    952         }
    953         *p_data_len = len;
    954     }
    955 #endif
    956     /* If here, not found */
    957     return (offset);
    958 }
    959 #endif
    960 
    961 
    962 
    963