/****************************************************************************** * * Copyright (C) 1999-2012 Broadcom Corporation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ******************************************************************************/ /****************************************************************************** * * this file contains SDP interface functions * ******************************************************************************/ //#include #include //#include #include "common/bt_target.h" //#include "bt_utils.h" #include "stack/l2cdefs.h" #include "stack/hcidefs.h" #include "stack/hcimsgs.h" #include "common/bt_defs.h" #include "stack/sdp_api.h" #include "sdpint.h" #include "stack/btu.h" #if (SDP_INCLUDED == TRUE) /********************************************************************** ** C L I E N T F U N C T I O N P R O T O T Y P E S * ***********************************************************************/ /******************************************************************************* ** ** Function SDP_InitDiscoveryDb ** ** Description This function is called to initialize a discovery database. ** ** Parameters: p_db - (input) address of an area of memory where the ** discovery database is managed. ** len - (input) size (in bytes) of the memory ** NOTE: This must be larger than sizeof(tSDP_DISCOVERY_DB) ** num_uuid - (input) number of UUID filters applied ** p_uuid_list - (input) list of UUID filters ** num_attr - (input) number of attribute filters applied ** p_attr_list - (input) list of attribute filters ** ** ** Returns BOOLEAN ** TRUE if successful ** FALSE if one or more parameters are bad ** *******************************************************************************/ BOOLEAN SDP_InitDiscoveryDb (tSDP_DISCOVERY_DB *p_db, UINT32 len, UINT16 num_uuid, tSDP_UUID *p_uuid_list, UINT16 num_attr, UINT16 *p_attr_list) { #if SDP_CLIENT_ENABLED == TRUE UINT16 xx; /* verify the parameters */ if (p_db == NULL || (sizeof (tSDP_DISCOVERY_DB) > len) || num_attr > SDP_MAX_ATTR_FILTERS || num_uuid > SDP_MAX_UUID_FILTERS) { SDP_TRACE_ERROR("SDP_InitDiscoveryDb Illegal param: p_db 0x%x, len %d, num_uuid %d, num_attr %d", (UINT32)p_db, len, num_uuid, num_attr); return (FALSE); } memset (p_db, 0, (size_t)len); p_db->mem_size = len - sizeof (tSDP_DISCOVERY_DB); p_db->mem_free = p_db->mem_size; p_db->p_first_rec = NULL; p_db->p_free_mem = (UINT8 *)(p_db + 1); for (xx = 0; xx < num_uuid; xx++) { p_db->uuid_filters[xx] = *p_uuid_list++; } p_db->num_uuid_filters = num_uuid; for (xx = 0; xx < num_attr; xx++) { p_db->attr_filters[xx] = *p_attr_list++; } /* sort attributes */ sdpu_sort_attr_list( num_attr, p_db ); p_db->num_attr_filters = num_attr; #endif return (TRUE); } /******************************************************************************* ** ** Function SDP_CancelServiceSearch ** ** Description This function cancels an active query to an SDP server. ** ** Returns TRUE if discovery cancelled, FALSE if a matching activity is not found. ** *******************************************************************************/ BOOLEAN SDP_CancelServiceSearch (tSDP_DISCOVERY_DB *p_db) { #if SDP_CLIENT_ENABLED == TRUE tCONN_CB *p_ccb = sdpu_find_ccb_by_db (p_db); if (!p_ccb) { return (FALSE); } sdp_disconnect (p_ccb, SDP_CANCEL); p_ccb->disc_state = SDP_DISC_WAIT_CANCEL; #endif return (TRUE); } /******************************************************************************* ** ** Function SDP_ServiceSearchRequest ** ** Description This function queries an SDP server for information. ** ** Returns TRUE if discovery started, FALSE if failed. ** *******************************************************************************/ BOOLEAN SDP_ServiceSearchRequest (UINT8 *p_bd_addr, tSDP_DISCOVERY_DB *p_db, tSDP_DISC_CMPL_CB *p_cb) { #if SDP_CLIENT_ENABLED == TRUE tCONN_CB *p_ccb; /* Specific BD address */ p_ccb = sdp_conn_originate (p_bd_addr); if (!p_ccb) { return (FALSE); } p_ccb->disc_state = SDP_DISC_WAIT_CONN; p_ccb->p_db = p_db; p_ccb->p_cb = p_cb; return (TRUE); #else return (FALSE); #endif } /******************************************************************************* ** ** Function SDP_ServiceSearchAttributeRequest ** ** Description This function queries an SDP server for information. ** ** The difference between this API function and the function ** SDP_ServiceSearchRequest2 is that this one does a ** combined ServiceSearchAttributeRequest SDP function with the ** user data piggyback. ** ** Returns TRUE if discovery started, FALSE if failed. ** *******************************************************************************/ BOOLEAN SDP_ServiceSearchAttributeRequest (UINT8 *p_bd_addr, tSDP_DISCOVERY_DB *p_db, tSDP_DISC_CMPL_CB *p_cb) { #if SDP_CLIENT_ENABLED == TRUE tCONN_CB *p_ccb; /* Specific BD address */ p_ccb = sdp_conn_originate (p_bd_addr); if (!p_ccb) { return (FALSE); } p_ccb->disc_state = SDP_DISC_WAIT_CONN; p_ccb->p_db = p_db; p_ccb->p_cb = p_cb; p_ccb->is_attr_search = TRUE; return (TRUE); #else return (FALSE); #endif } /******************************************************************************* ** ** Function SDP_ServiceSearchAttributeRequest2 ** ** Description This function queries an SDP server for information. ** ** The difference between this API function and the function ** SDP_ServiceSearchRequest is that this one does a ** combined ServiceSearchAttributeRequest SDP function. ** (This is for Unplug Testing) ** ** Returns TRUE if discovery started, FALSE if failed. ** *******************************************************************************/ BOOLEAN SDP_ServiceSearchAttributeRequest2 (UINT8 *p_bd_addr, tSDP_DISCOVERY_DB *p_db, tSDP_DISC_CMPL_CB2 *p_cb2, void *user_data) { #if SDP_CLIENT_ENABLED == TRUE tCONN_CB *p_ccb; /* Specific BD address */ p_ccb = sdp_conn_originate (p_bd_addr); if (!p_ccb) { return (FALSE); } p_ccb->disc_state = SDP_DISC_WAIT_CONN; p_ccb->p_db = p_db; p_ccb->p_cb2 = p_cb2; p_ccb->is_attr_search = TRUE; p_ccb->user_data = user_data; return (TRUE); #else return (FALSE); #endif } #if SDP_CLIENT_ENABLED == TRUE void SDP_SetIdleTimeout (BD_ADDR addr, UINT16 timeout) { UNUSED(addr); UNUSED(timeout); } #endif /******************************************************************************* ** ** Function SDP_FindAttributeInDb ** ** Description This function queries an SDP database for a specific attribute. ** If the p_start_rec pointer is NULL, it looks from the beginning ** of the database, else it continues from the next record after ** p_start_rec. ** ** Returns Pointer to matching record, or NULL ** *******************************************************************************/ tSDP_DISC_REC *SDP_FindAttributeInDb (tSDP_DISCOVERY_DB *p_db, UINT16 attr_id, tSDP_DISC_REC *p_start_rec) { #if SDP_CLIENT_ENABLED == TRUE tSDP_DISC_REC *p_rec; tSDP_DISC_ATTR *p_attr; /* Must have a valid database */ if (p_db == NULL) { return (NULL); } if (!p_start_rec) { p_rec = p_db->p_first_rec; } else { p_rec = p_start_rec->p_next_rec; } while (p_rec) { p_attr = p_rec->p_first_attr; while (p_attr) { if (p_attr->attr_id == attr_id) { return (p_rec); } p_attr = p_attr->p_next_attr; } p_rec = p_rec->p_next_rec; } #endif /* If here, no matching attribute found */ return (NULL); } /******************************************************************************* ** ** Function SDP_FindAttributeInRec ** ** Description This function searches an SDP discovery record for a specific ** attribute. ** ** Returns Pointer to matching attribute entry, or NULL ** *******************************************************************************/ tSDP_DISC_ATTR *SDP_FindAttributeInRec (tSDP_DISC_REC *p_rec, UINT16 attr_id) { #if SDP_CLIENT_ENABLED == TRUE tSDP_DISC_ATTR *p_attr; p_attr = p_rec->p_first_attr; while (p_attr) { if (p_attr->attr_id == attr_id) { return (p_attr); } p_attr = p_attr->p_next_attr; } #endif /* If here, no matching attribute found */ return (NULL); } /******************************************************************************* ** ** Function SDP_FindServiceUUIDInRec ** ** Description This function is called to read the service UUID within a record ** if there is any. ** ** Parameters: p_rec - pointer to a SDP record. ** p_uuid - output parameter to save the UUID found. ** ** Returns TRUE if found, otherwise FALSE. ** *******************************************************************************/ BOOLEAN SDP_FindServiceUUIDInRec(tSDP_DISC_REC *p_rec, tBT_UUID *p_uuid) { #if SDP_CLIENT_ENABLED == TRUE tSDP_DISC_ATTR *p_attr, *p_sattr, *p_extra_sattr; p_attr = p_rec->p_first_attr; while (p_attr) { if ((p_attr->attr_id == ATTR_ID_SERVICE_CLASS_ID_LIST) && (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE)) { for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; p_sattr = p_sattr->p_next_attr) { if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE) { if (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == LEN_UUID_16) { p_uuid->len = LEN_UUID_16; p_uuid->uu.uuid16 = p_sattr->attr_value.v.u16; } else if (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == LEN_UUID_128) { p_uuid->len = LEN_UUID_128; for (uint8_t i = 0; i != LEN_UUID_128; ++i) { p_uuid->uu.uuid128[i] = p_sattr->attr_value.v.array[LEN_UUID_128 - i - 1]; } } else if (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == LEN_UUID_32) { p_uuid->len = LEN_UUID_32; p_uuid->uu.uuid32 = p_sattr->attr_value.v.u32; } return (TRUE); } /* Checking for Toyota G Block Car Kit: ** This car kit puts an extra data element sequence ** where the UUID is suppose to be!!! */ else { if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE) { /* Look through data element sequence until no more UUIDs */ for (p_extra_sattr = p_sattr->attr_value.v.p_sub_attr; p_extra_sattr; p_extra_sattr = p_extra_sattr->p_next_attr) { /* Increment past this to see if the next attribut is UUID */ if ((SDP_DISC_ATTR_TYPE(p_extra_sattr->attr_len_type) == UUID_DESC_TYPE) /* only support 16 bits UUID for now */ && (SDP_DISC_ATTR_LEN(p_extra_sattr->attr_len_type) == 2)) { p_uuid->len = 2; p_uuid->uu.uuid16 = p_extra_sattr->attr_value.v.u16; return (TRUE); } } } } } break; } else if (p_attr->attr_id == ATTR_ID_SERVICE_ID) { if ((SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UUID_DESC_TYPE) /* only support 16 bits UUID for now */ && (SDP_DISC_ATTR_LEN(p_attr->attr_len_type) == 2)) { p_uuid->len = 2; p_uuid->uu.uuid16 = p_attr->attr_value.v.u16; return (TRUE); } } p_attr = p_attr->p_next_attr; } return FALSE; #else return FALSE; #endif } /******************************************************************************* ** ** Function SDP_FindServiceUUIDInRec_128bit ** ** Description This function is called to read the 128-bit service UUID within a record ** if there is any. ** ** Parameters: p_rec - pointer to a SDP record. ** p_uuid - output parameter to save the UUID found. ** ** Returns TRUE if found, otherwise FALSE. ** *******************************************************************************/ BOOLEAN SDP_FindServiceUUIDInRec_128bit(tSDP_DISC_REC *p_rec, tBT_UUID *p_uuid) { #if SDP_CLIENT_ENABLED == TRUE tSDP_DISC_ATTR *p_attr, *p_sattr; p_attr = p_rec->p_first_attr; while (p_attr) { if ((p_attr->attr_id == ATTR_ID_SERVICE_CLASS_ID_LIST) && (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE)) { for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; p_sattr = p_sattr->p_next_attr) { if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE) { /* only support 128 bits UUID for now */ if (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 16) { p_uuid->len = LEN_UUID_128; for (uint8_t i = 0; i != LEN_UUID_128; ++i) { p_uuid->uu.uuid128[i] = p_sattr->attr_value.v.array[LEN_UUID_128 - i - 1]; } } return (TRUE); } } break; } else if (p_attr->attr_id == ATTR_ID_SERVICE_ID) { if ((SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UUID_DESC_TYPE) /* only support 128 bits UUID for now */ && (SDP_DISC_ATTR_LEN(p_attr->attr_len_type) == 16)) { p_uuid->len = LEN_UUID_128; for (uint8_t i = 0; i != LEN_UUID_128; ++i) { p_uuid->uu.uuid128[i] = p_attr->attr_value.v.array[LEN_UUID_128 - i - 1]; } return (TRUE); } } p_attr = p_attr->p_next_attr; } return FALSE; #else return FALSE; #endif } /******************************************************************************* ** ** Function SDP_FindServiceInDb ** ** Description This function queries an SDP database for a specific service. ** If the p_start_rec pointer is NULL, it looks from the beginning ** of the database, else it continues from the next record after ** p_start_rec. ** ** Returns Pointer to record containing service class, or NULL ** *******************************************************************************/ tSDP_DISC_REC *SDP_FindServiceInDb (tSDP_DISCOVERY_DB *p_db, UINT16 service_uuid, tSDP_DISC_REC *p_start_rec) { #if SDP_CLIENT_ENABLED == TRUE tSDP_DISC_REC *p_rec; tSDP_DISC_ATTR *p_attr, *p_sattr, *p_extra_sattr; /* Must have a valid database */ if (p_db == NULL) { return (NULL); } if (!p_start_rec) { p_rec = p_db->p_first_rec; } else { p_rec = p_start_rec->p_next_rec; } while (p_rec) { p_attr = p_rec->p_first_attr; while (p_attr) { if ((p_attr->attr_id == ATTR_ID_SERVICE_CLASS_ID_LIST) && (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE)) { for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; p_sattr = p_sattr->p_next_attr) { if ((SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE) && (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2) ) { SDP_TRACE_DEBUG("SDP_FindServiceInDb - p_sattr value = 0x%x serviceuuid = 0x%x\r\n", p_sattr->attr_value.v.u16, service_uuid); if (service_uuid == UUID_SERVCLASS_HDP_PROFILE) { if ( (p_sattr->attr_value.v.u16 == UUID_SERVCLASS_HDP_SOURCE) || ( p_sattr->attr_value.v.u16 == UUID_SERVCLASS_HDP_SINK)) { SDP_TRACE_DEBUG("SDP_FindServiceInDb found HDP source or sink\n" ); return (p_rec); } } } if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE && (service_uuid == 0 || (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2 && p_sattr->attr_value.v.u16 == service_uuid))) /* for a specific uuid, or any one */ { return (p_rec); } /* Checking for Toyota G Block Car Kit: ** This car kit puts an extra data element sequence ** where the UUID is suppose to be!!! */ else { if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE) { /* Look through data element sequence until no more UUIDs */ for (p_extra_sattr = p_sattr->attr_value.v.p_sub_attr; p_extra_sattr; p_extra_sattr = p_extra_sattr->p_next_attr) { /* Increment past this to see if the next attribut is UUID */ if ((SDP_DISC_ATTR_TYPE(p_extra_sattr->attr_len_type) == UUID_DESC_TYPE) && (SDP_DISC_ATTR_LEN(p_extra_sattr->attr_len_type) == 2) /* for a specific uuid, or any one */ && ((p_extra_sattr->attr_value.v.u16 == service_uuid) || (service_uuid == 0))) { return (p_rec); } } } } } break; } else if (p_attr->attr_id == ATTR_ID_SERVICE_ID) { if ((SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UUID_DESC_TYPE) && (SDP_DISC_ATTR_LEN(p_attr->attr_len_type) == 2) /* find a specific UUID or anyone */ && ((p_attr->attr_value.v.u16 == service_uuid) || service_uuid == 0)) { return (p_rec); } } p_attr = p_attr->p_next_attr; } p_rec = p_rec->p_next_rec; } #endif /* If here, no matching UUID found */ return (NULL); } /******************************************************************************* ** ** Function SDP_FindServiceInDb_128bit ** ** Description This function queries an SDP database for a specific service. ** If the p_start_rec pointer is NULL, it looks from the beginning ** of the database, else it continues from the next record after ** p_start_rec. ** ** This function is kept separate from SDP_FindServiceInDb since ** that API is expected to return only 16-bit UUIDs ** ** Returns Pointer to record containing service class, or NULL ** *******************************************************************************/ tSDP_DISC_REC *SDP_FindServiceInDb_128bit(tSDP_DISCOVERY_DB *p_db, tSDP_DISC_REC *p_start_rec) { #if SDP_CLIENT_ENABLED == TRUE tSDP_DISC_REC *p_rec; tSDP_DISC_ATTR *p_attr, *p_sattr; /* Must have a valid database */ if (p_db == NULL) { return (NULL); } if (!p_start_rec) { p_rec = p_db->p_first_rec; } else { p_rec = p_start_rec->p_next_rec; } while (p_rec) { p_attr = p_rec->p_first_attr; while (p_attr) { if ((p_attr->attr_id == ATTR_ID_SERVICE_CLASS_ID_LIST) && (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE)) { for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; p_sattr = p_sattr->p_next_attr) { if ((SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE) && (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 16)) { return (p_rec); } } break; } else if (p_attr->attr_id == ATTR_ID_SERVICE_ID) { if ((SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UUID_DESC_TYPE) && (SDP_DISC_ATTR_LEN(p_attr->attr_len_type) == 16)) { return (p_rec); } } p_attr = p_attr->p_next_attr; } p_rec = p_rec->p_next_rec; } #endif /* If here, no matching UUID found */ return (NULL); } /******************************************************************************* ** ** Function SDP_FindServiceUUIDInDb ** ** Description This function queries an SDP database for a specific service. ** If the p_start_rec pointer is NULL, it looks from the beginning ** of the database, else it continues from the next record after ** p_start_rec. ** ** NOTE the only difference between this function and the previous function ** "SDP_FindServiceInDb()" is that this function takes a tBT_UUID input ** ** Returns Pointer to record containing service class, or NULL ** *******************************************************************************/ tSDP_DISC_REC *SDP_FindServiceUUIDInDb (tSDP_DISCOVERY_DB *p_db, tBT_UUID *p_uuid, tSDP_DISC_REC *p_start_rec) { #if SDP_CLIENT_ENABLED == TRUE tSDP_DISC_REC *p_rec; tSDP_DISC_ATTR *p_attr, *p_sattr; /* Must have a valid database */ if (p_db == NULL) { return (NULL); } if (!p_start_rec) { p_rec = p_db->p_first_rec; } else { p_rec = p_start_rec->p_next_rec; } while (p_rec) { p_attr = p_rec->p_first_attr; while (p_attr) { if ((p_attr->attr_id == ATTR_ID_SERVICE_CLASS_ID_LIST) && (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE)) { for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; p_sattr = p_sattr->p_next_attr) { if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE) { if (sdpu_compare_uuid_with_attr (p_uuid, p_sattr)) { return (p_rec); } } } break; } else if (p_attr->attr_id == ATTR_ID_SERVICE_ID) { if (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UUID_DESC_TYPE ) { if (sdpu_compare_uuid_with_attr (p_uuid, p_attr)) { return (p_rec); } } } p_attr = p_attr->p_next_attr; } p_rec = p_rec->p_next_rec; } #endif /* CLIENT_ENABLED == TRUE */ /* If here, no matching UUID found */ return (NULL); } #if SDP_CLIENT_ENABLED == TRUE /******************************************************************************* ** ** Function sdp_fill_proto_elem ** ** Description This function retrieves the protocol element. ** ** Returns TRUE if found, FALSE if not ** If found, the passed protocol list element is filled in. ** *******************************************************************************/ static BOOLEAN sdp_fill_proto_elem( tSDP_DISC_ATTR *p_attr, UINT16 layer_uuid, tSDP_PROTOCOL_ELEM *p_elem) { tSDP_DISC_ATTR *p_sattr; /* Walk through the protocol descriptor list */ for (p_attr = p_attr->attr_value.v.p_sub_attr; p_attr; p_attr = p_attr->p_next_attr) { /* Safety check - each entry should itself be a sequence */ if (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) != DATA_ELE_SEQ_DESC_TYPE) { return (FALSE); } /* Now, see if the entry contains the layer we are interested in */ for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; p_sattr = p_sattr->p_next_attr) { /* SDP_TRACE_DEBUG ("SDP - p_sattr 0x%x, layer_uuid:0x%x, u16:0x%x####", p_sattr, layer_uuid, p_sattr->attr_value.v.u16); */ if ((SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE) && (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2) && (p_sattr->attr_value.v.u16 == layer_uuid)) { /* Bingo. Now fill in the passed element */ p_elem->protocol_uuid = layer_uuid; p_elem->num_params = 0; /* Store the parameters, if any */ for (p_sattr = p_sattr->p_next_attr; p_sattr; p_sattr = p_sattr->p_next_attr) { if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) != UINT_DESC_TYPE) { break; } if (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2) { p_elem->params[p_elem->num_params++] = p_sattr->attr_value.v.u16; } else { p_elem->params[p_elem->num_params++] = p_sattr->attr_value.v.u8; } if (p_elem->num_params >= SDP_MAX_PROTOCOL_PARAMS) { break; } } return (TRUE); } } } return (FALSE); } #endif /* CLIENT_ENABLED == TRUE */ /******************************************************************************* ** ** Function SDP_FindProtocolListElemInRec ** ** Description This function looks at a specific discovery record for a protocol ** list element. ** ** Returns TRUE if found, FALSE if not ** If found, the passed protocol list element is filled in. ** *******************************************************************************/ BOOLEAN SDP_FindProtocolListElemInRec (tSDP_DISC_REC *p_rec, UINT16 layer_uuid, tSDP_PROTOCOL_ELEM *p_elem) { #if SDP_CLIENT_ENABLED == TRUE tSDP_DISC_ATTR *p_attr; p_attr = p_rec->p_first_attr; while (p_attr) { /* Find the protocol descriptor list */ if ((p_attr->attr_id == ATTR_ID_PROTOCOL_DESC_LIST) && (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE)) { return sdp_fill_proto_elem(p_attr, layer_uuid, p_elem); } p_attr = p_attr->p_next_attr; } #endif /* If here, no match found */ return (FALSE); } /******************************************************************************* ** ** Function SDP_FindAddProtoListsElemInRec ** ** Description This function looks at a specific discovery record for a protocol ** list element. ** ** Returns TRUE if found, FALSE if not ** If found, the passed protocol list element is filled in. ** *******************************************************************************/ BOOLEAN SDP_FindAddProtoListsElemInRec (tSDP_DISC_REC *p_rec, UINT16 layer_uuid, tSDP_PROTOCOL_ELEM *p_elem) { #if SDP_CLIENT_ENABLED == TRUE tSDP_DISC_ATTR *p_attr, *p_sattr; BOOLEAN ret = FALSE; p_attr = p_rec->p_first_attr; while (p_attr) { /* Find the additional protocol descriptor list attribute */ if ((p_attr->attr_id == ATTR_ID_ADDITION_PROTO_DESC_LISTS) && (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE)) { for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; p_sattr = p_sattr->p_next_attr) { /* Safety check - each entry should itself be a sequence */ if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE) { if ( (ret = sdp_fill_proto_elem(p_sattr, layer_uuid, p_elem)) == TRUE) { break; } } } return ret; } p_attr = p_attr->p_next_attr; } #endif /* If here, no match found */ return (FALSE); } /******************************************************************************* ** ** Function SDP_FindProfileVersionInRec ** ** Description This function looks at a specific discovery record for the ** Profile list descriptor, and pulls out the version number. ** The version number consists of an 8-bit major version and ** an 8-bit minor version. ** ** Returns TRUE if found, FALSE if not ** If found, the major and minor version numbers that were passed ** in are filled in. ** *******************************************************************************/ BOOLEAN SDP_FindProfileVersionInRec (tSDP_DISC_REC *p_rec, UINT16 profile_uuid, UINT16 *p_version) { #if SDP_CLIENT_ENABLED == TRUE tSDP_DISC_ATTR *p_attr, *p_sattr; p_attr = p_rec->p_first_attr; while (p_attr) { /* Find the profile descriptor list */ if ((p_attr->attr_id == ATTR_ID_BT_PROFILE_DESC_LIST) && (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE)) { /* Walk through the protocol descriptor list */ for (p_attr = p_attr->attr_value.v.p_sub_attr; p_attr; p_attr = p_attr->p_next_attr) { /* Safety check - each entry should itself be a sequence */ if (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) != DATA_ELE_SEQ_DESC_TYPE) { return (FALSE); } /* Now, see if the entry contains the profile UUID we are interested in */ for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; p_sattr = p_sattr->p_next_attr) { if ((SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE) && (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2) /* <- This is bytes, not size code! */ && (p_sattr->attr_value.v.u16 == profile_uuid)) { /* Now fill in the major and minor numbers */ /* if the attribute matches the description for version (type UINT, size 2 bytes) */ p_sattr = p_sattr->p_next_attr; if ((SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UINT_DESC_TYPE) && (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2)) { /* The high order 8 bits is the major number, low order is the minor number (big endian) */ *p_version = p_sattr->attr_value.v.u16; return (TRUE); } else { return (FALSE); /* The type and/or size was not valid for the profile list version */ } } } } return (FALSE); } p_attr = p_attr->p_next_attr; } #endif /* CLIENT_ENABLED == TRUE */ /* If here, no match found */ return (FALSE); } /******************************************************************************* ** Device Identification (DI) Client Functions *******************************************************************************/ /******************************************************************************* ** ** Function SDP_DiDiscover ** ** Description This function queries a remote device for DI information. ** ** Returns SDP_SUCCESS if query started successfully, else error ** *******************************************************************************/ UINT16 SDP_DiDiscover( BD_ADDR remote_device, tSDP_DISCOVERY_DB *p_db, UINT32 len, tSDP_DISC_CMPL_CB *p_cb ) { #if SDP_CLIENT_ENABLED == TRUE UINT16 result = SDP_DI_DISC_FAILED; UINT16 num_uuids = 1; UINT16 di_uuid = UUID_SERVCLASS_PNP_INFORMATION; /* build uuid for db init */ tSDP_UUID init_uuid; init_uuid.len = 2; init_uuid.uu.uuid16 = di_uuid; if ( SDP_InitDiscoveryDb(p_db, len, num_uuids, &init_uuid, 0, NULL) ) { if ( SDP_ServiceSearchRequest(remote_device, p_db, p_cb) ) { result = SDP_SUCCESS; } } return result; #else return SDP_DI_DISC_FAILED; #endif } /******************************************************************************* ** ** Function SDP_GetNumDiRecords ** ** Description Searches specified database for DI records ** ** Returns number of DI records found ** *******************************************************************************/ UINT8 SDP_GetNumDiRecords( tSDP_DISCOVERY_DB *p_db ) { #if SDP_CLIENT_ENABLED == TRUE UINT8 num_records = 0; tSDP_DISC_REC *p_curr_record = NULL; do { p_curr_record = SDP_FindServiceInDb( p_db, UUID_SERVCLASS_PNP_INFORMATION, p_curr_record ); if ( p_curr_record ) { num_records++; } } while ( p_curr_record ); return num_records; #else return 0; #endif } #if SDP_CLIENT_ENABLED == TRUE /******************************************************************************* ** ** Function SDP_AttrStringCopy ** ** Description This function copy given attribute to specified buffer as a string ** ** Returns none ** *******************************************************************************/ static void SDP_AttrStringCopy(char *dst, tSDP_DISC_ATTR *p_attr, UINT16 dst_size) { if ( dst == NULL ) { return; } if ( p_attr ) { UINT16 len = SDP_DISC_ATTR_LEN(p_attr->attr_len_type); if ( len > dst_size - 1 ) { len = dst_size - 1; } memcpy(dst, (char *)p_attr->attr_value.v.array, len); dst[len] = '\0'; } else { dst[0] = '\0'; } } #endif /******************************************************************************* ** ** Function SDP_GetDiRecord ** ** Description This function retrieves a remote device's DI record from ** the specified database. ** ** Returns SDP_SUCCESS if record retrieved, else error ** *******************************************************************************/ UINT16 SDP_GetDiRecord( UINT8 get_record_index, tSDP_DI_GET_RECORD *p_device_info, tSDP_DISCOVERY_DB *p_db ) { #if SDP_CLIENT_ENABLED == TRUE UINT16 result = SDP_NO_DI_RECORD_FOUND; UINT8 curr_record_index = 1; tSDP_DISC_REC *p_curr_record = NULL; /* find the requested SDP record in the discovery database */ do { p_curr_record = SDP_FindServiceInDb( p_db, UUID_SERVCLASS_PNP_INFORMATION, p_curr_record ); if ( p_curr_record ) { if ( curr_record_index++ == get_record_index ) { result = SDP_SUCCESS; break; } } } while ( p_curr_record ); if ( result == SDP_SUCCESS ) { /* copy the information from the SDP record to the DI record */ tSDP_DISC_ATTR *p_curr_attr = NULL; /* ClientExecutableURL is optional */ p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_CLIENT_EXE_URL ); SDP_AttrStringCopy( p_device_info->rec.client_executable_url, p_curr_attr, SDP_MAX_ATTR_LEN ); /* Service Description is optional */ p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_SERVICE_DESCRIPTION ); SDP_AttrStringCopy( p_device_info->rec.service_description, p_curr_attr, SDP_MAX_ATTR_LEN ); /* DocumentationURL is optional */ p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_DOCUMENTATION_URL ); SDP_AttrStringCopy( p_device_info->rec.documentation_url, p_curr_attr, SDP_MAX_ATTR_LEN ); p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_SPECIFICATION_ID ); if ( p_curr_attr ) { p_device_info->spec_id = p_curr_attr->attr_value.v.u16; } else { result = SDP_ERR_ATTR_NOT_PRESENT; } p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_VENDOR_ID ); if ( p_curr_attr ) { p_device_info->rec.vendor = p_curr_attr->attr_value.v.u16; } else { result = SDP_ERR_ATTR_NOT_PRESENT; } p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_VENDOR_ID_SOURCE ); if ( p_curr_attr ) { p_device_info->rec.vendor_id_source = p_curr_attr->attr_value.v.u16; } else { result = SDP_ERR_ATTR_NOT_PRESENT; } p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_PRODUCT_ID ); if ( p_curr_attr ) { p_device_info->rec.product = p_curr_attr->attr_value.v.u16; } else { result = SDP_ERR_ATTR_NOT_PRESENT; } p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_PRODUCT_VERSION ); if ( p_curr_attr ) { p_device_info->rec.version = p_curr_attr->attr_value.v.u16; } else { result = SDP_ERR_ATTR_NOT_PRESENT; } p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_PRIMARY_RECORD ); if ( p_curr_attr ) { p_device_info->rec.primary_record = (BOOLEAN)p_curr_attr->attr_value.v.u8; } else { result = SDP_ERR_ATTR_NOT_PRESENT; } } return result; #else /* SDP_CLIENT_ENABLED is FALSE */ return SDP_NO_DI_RECORD_FOUND; #endif } /******************************************************************************* ** Device Identification (DI) Server Functions *******************************************************************************/ /******************************************************************************* ** ** Function SDP_SetLocalDiRecord ** ** Description This function adds a DI record to the local SDP database. ** ** ** ** Returns Returns SDP_SUCCESS if record added successfully, else error ** *******************************************************************************/ UINT16 SDP_SetLocalDiRecord( tSDP_DI_RECORD *p_device_info, UINT32 *p_handle ) { #if SDP_SERVER_ENABLED == TRUE UINT16 result = SDP_SUCCESS; UINT32 handle; UINT16 di_uuid = UUID_SERVCLASS_PNP_INFORMATION; UINT16 di_specid = BLUETOOTH_DI_SPECIFICATION; UINT8 temp_u16[2]; UINT8 *p_temp; UINT8 u8; *p_handle = 0; if ( p_device_info == NULL ) { return SDP_ILLEGAL_PARAMETER; } /* if record is to be primary record, get handle to replace old primary */ if ( p_device_info->primary_record == TRUE && sdp_cb.server_db.di_primary_handle ) { handle = sdp_cb.server_db.di_primary_handle; } else { if ( (handle = SDP_CreateRecord()) == 0 ) { return SDP_NO_RESOURCES; } } *p_handle = handle; /* build the SDP entry */ /* Add the UUID to the Service Class ID List */ if ((SDP_AddServiceClassIdList(handle, 1, &di_uuid)) == FALSE) { result = SDP_DI_REG_FAILED; } /* mandatory */ if ( result == SDP_SUCCESS) { p_temp = temp_u16; UINT16_TO_BE_STREAM(p_temp, di_specid); if ( !(SDP_AddAttribute(handle, ATTR_ID_SPECIFICATION_ID, UINT_DESC_TYPE, sizeof(di_specid), temp_u16)) ) { result = SDP_DI_REG_FAILED; } } /* optional - if string is null, do not add attribute */ if ( result == SDP_SUCCESS ) { if ( p_device_info->client_executable_url[0] != '\0' ) { if ( !((strlen(p_device_info->client_executable_url) + 1 <= SDP_MAX_ATTR_LEN) && SDP_AddAttribute(handle, ATTR_ID_CLIENT_EXE_URL, URL_DESC_TYPE, (UINT32)(strlen(p_device_info->client_executable_url) + 1), (UINT8 *)p_device_info->client_executable_url)) ) { result = SDP_DI_REG_FAILED; } } } /* optional - if string is null, do not add attribute */ if ( result == SDP_SUCCESS ) { if ( p_device_info->service_description[0] != '\0' ) { if ( !((strlen(p_device_info->service_description) + 1 <= SDP_MAX_ATTR_LEN) && SDP_AddAttribute(handle, ATTR_ID_SERVICE_DESCRIPTION, TEXT_STR_DESC_TYPE, (UINT32)(strlen(p_device_info->service_description) + 1), (UINT8 *)p_device_info->service_description)) ) { result = SDP_DI_REG_FAILED; } } } /* optional - if string is null, do not add attribute */ if ( result == SDP_SUCCESS ) { if ( p_device_info->documentation_url[0] != '\0' ) { if ( !((strlen(p_device_info->documentation_url) + 1 <= SDP_MAX_ATTR_LEN) && SDP_AddAttribute(handle, ATTR_ID_DOCUMENTATION_URL, URL_DESC_TYPE, (UINT32)(strlen(p_device_info->documentation_url) + 1), (UINT8 *)p_device_info->documentation_url)) ) { result = SDP_DI_REG_FAILED; } } } /* mandatory */ if ( result == SDP_SUCCESS) { p_temp = temp_u16; UINT16_TO_BE_STREAM(p_temp, p_device_info->vendor); if ( !(SDP_AddAttribute(handle, ATTR_ID_VENDOR_ID, UINT_DESC_TYPE, sizeof(p_device_info->vendor), temp_u16)) ) { result = SDP_DI_REG_FAILED; } } /* mandatory */ if ( result == SDP_SUCCESS) { p_temp = temp_u16; UINT16_TO_BE_STREAM (p_temp, p_device_info->product); if ( !(SDP_AddAttribute(handle, ATTR_ID_PRODUCT_ID, UINT_DESC_TYPE, sizeof(p_device_info->product), temp_u16)) ) { result = SDP_DI_REG_FAILED; } } /* mandatory */ if ( result == SDP_SUCCESS) { p_temp = temp_u16; UINT16_TO_BE_STREAM (p_temp, p_device_info->version); if ( !(SDP_AddAttribute(handle, ATTR_ID_PRODUCT_VERSION, UINT_DESC_TYPE, sizeof(p_device_info->version), temp_u16)) ) { result = SDP_DI_REG_FAILED; } } /* mandatory */ if ( result == SDP_SUCCESS) { u8 = (UINT8)p_device_info->primary_record; if ( !(SDP_AddAttribute(handle, ATTR_ID_PRIMARY_RECORD, BOOLEAN_DESC_TYPE, 1, &u8)) ) { result = SDP_DI_REG_FAILED; } } /* mandatory */ if ( result == SDP_SUCCESS) { p_temp = temp_u16; UINT16_TO_BE_STREAM(p_temp, p_device_info->vendor_id_source); if ( !(SDP_AddAttribute(handle, ATTR_ID_VENDOR_ID_SOURCE, UINT_DESC_TYPE, sizeof(p_device_info->vendor_id_source), temp_u16)) ) { result = SDP_DI_REG_FAILED; } } if ( result != SDP_SUCCESS ) { SDP_DeleteRecord( handle ); } else if (p_device_info->primary_record == TRUE) { sdp_cb.server_db.di_primary_handle = handle; } return result; #else /* SDP_SERVER_ENABLED is FALSE */ return SDP_DI_REG_FAILED; #endif /* if SDP_SERVER_ENABLED */ } /******************************************************************************* ** ** Function SDP_SetTraceLevel ** ** Description This function sets the trace level for SDP. If called with ** a value of 0xFF, it simply reads the current trace level. ** ** Returns the new (current) trace level ** *******************************************************************************/ UINT8 SDP_SetTraceLevel (UINT8 new_level) { if (new_level != 0xFF) { sdp_cb.trace_level = new_level; } return (sdp_cb.trace_level); } #endif ///SDP_INCLUDED == TRUE