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Commit 17504842 authored by Hansong Zhang's avatar Hansong Zhang
Browse files

Move btm_sec_set_peer_sec_caps to btm_sec 

Bug: 159815595
Tag: #refactor
Test: compile & verify basic functions working
Change-Id: I1d05c78b08deeb7120fc0eaced20384e2f438e79
parent e0521056

system/stack/acl/btm_acl.cc

+0 −57
Original line number Diff line number Diff line
@@ -125,9 +125,6 @@ static void btm_read_rssi_timeout(void* data); 
static void btm_read_tx_power_timeout(void* data);

static void btm_process_remote_ext_features(tACL_CONN* p_acl_cb,

                                            uint8_t num_read_pages);

static void btm_sec_set_peer_sec_caps(uint16_t hci_handle, bool ssp_supported,

                                      bool sc_supported,

                                      bool hci_role_switch_supported);

static bool acl_is_role_central(const RawAddress& bda, tBT_TRANSPORT transport);

static void btm_set_link_policy(tACL_CONN* conn, uint16_t policy);

static bool btm_ble_get_acl_remote_addr(const tBTM_SEC_DEV_REC& p_dev_rec,
@@ -2513,60 +2510,6 @@ void btm_ble_refresh_local_resolvable_private_addr( 
  }

}



/*******************************************************************************

 *

 * Function         btm_sec_set_peer_sec_caps

 *

 * Description      This function is called to set sm4 and rmt_sec_caps fields

 *                  based on the available peer device features.

 *

 * Returns          void

 *

 ******************************************************************************/

void btm_sec_set_peer_sec_caps(uint16_t hci_handle, bool ssp_supported,

                               bool sc_supported,

                               bool hci_role_switch_supported) {

  tBTM_SEC_DEV_REC* p_dev_rec = btm_find_dev_by_handle(hci_handle);

  if (p_dev_rec == nullptr) return;



  p_dev_rec->remote_feature_received = true;

  p_dev_rec->remote_supports_hci_role_switch = hci_role_switch_supported;



  uint8_t req_pend = (p_dev_rec->sm4 & BTM_SM4_REQ_PEND);



  if (!(p_dev_rec->sec_flags & BTM_SEC_NAME_KNOWN) ||

      p_dev_rec->is_originator) {

    uint8_t status = btm_sec_execute_procedure(p_dev_rec);

    if (status != BTM_CMD_STARTED) {

      LOG_WARN("Security procedure not started! status:%s",

               hci_error_code_text(status).c_str());

      btm_sec_dev_rec_cback_event(p_dev_rec, status, false);

    }

  }



  /* Store the Peer Security Capabilites (in SM4 and rmt_sec_caps) */

  if ((btm_cb.security_mode == BTM_SEC_MODE_SP ||

       btm_cb.security_mode == BTM_SEC_MODE_SC) &&

      ssp_supported) {

    p_dev_rec->sm4 = BTM_SM4_TRUE;

    p_dev_rec->remote_supports_secure_connections = sc_supported;

  } else {

    p_dev_rec->sm4 = BTM_SM4_KNOWN;

    p_dev_rec->remote_supports_secure_connections = false;

  }



  if (p_dev_rec->remote_features_needed) {

    LOG_DEBUG("Now device in SC Only mode, waiting for peer remote features!");

    btm_io_capabilities_req(p_dev_rec->bd_addr);

    p_dev_rec->remote_features_needed = false;

  }



  if (req_pend) {

    /* Request for remaining Security Features (if any) */

    l2cu_resubmit_pending_sec_req(&p_dev_rec->bd_addr);

  }

}



bool sco_peer_supports_esco_2m_phy(uint16_t hci_handle) {

  tACL_CONN* p_acl = internal_.acl_get_connection_from_handle(hci_handle);

  if (p_acl == nullptr) {

system/stack/btm/btm_sec.cc

+54 −0
Original line number Diff line number Diff line
@@ -4772,3 +4772,57 @@ static bool btm_sec_use_smp_br_chnl(tBTM_SEC_DEV_REC* p_dev_rec) { 


  return true;

}



/*******************************************************************************

 *

 * Function         btm_sec_set_peer_sec_caps

 *

 * Description      This function is called to set sm4 and rmt_sec_caps fields

 *                  based on the available peer device features.

 *

 * Returns          void

 *

 ******************************************************************************/

void btm_sec_set_peer_sec_caps(uint16_t hci_handle, bool ssp_supported,

                               bool sc_supported,

                               bool hci_role_switch_supported) {

  tBTM_SEC_DEV_REC* p_dev_rec = btm_find_dev_by_handle(hci_handle);

  if (p_dev_rec == nullptr) return;



  p_dev_rec->remote_feature_received = true;

  p_dev_rec->remote_supports_hci_role_switch = hci_role_switch_supported;



  uint8_t req_pend = (p_dev_rec->sm4 & BTM_SM4_REQ_PEND);



  if (!(p_dev_rec->sec_flags & BTM_SEC_NAME_KNOWN) ||

      p_dev_rec->is_originator) {

    uint8_t status = btm_sec_execute_procedure(p_dev_rec);

    if (status != BTM_CMD_STARTED) {

      LOG_WARN("Security procedure not started! status:%s",

               hci_error_code_text(status).c_str());

      btm_sec_dev_rec_cback_event(p_dev_rec, status, false);

    }

  }



  /* Store the Peer Security Capabilites (in SM4 and rmt_sec_caps) */

  if ((btm_cb.security_mode == BTM_SEC_MODE_SP ||

       btm_cb.security_mode == BTM_SEC_MODE_SC) &&

      ssp_supported) {

    p_dev_rec->sm4 = BTM_SM4_TRUE;

    p_dev_rec->remote_supports_secure_connections = sc_supported;

  } else {

    p_dev_rec->sm4 = BTM_SM4_KNOWN;

    p_dev_rec->remote_supports_secure_connections = false;

  }



  if (p_dev_rec->remote_features_needed) {

    LOG_DEBUG("Now device in SC Only mode, waiting for peer remote features!");

    btm_io_capabilities_req(p_dev_rec->bd_addr);

    p_dev_rec->remote_features_needed = false;

  }



  if (req_pend) {

    /* Request for remaining Security Features (if any) */

    l2cu_resubmit_pending_sec_req(&p_dev_rec->bd_addr);

  }

}

system/stack/btm/btm_sec.h

+14 −0
Original line number Diff line number Diff line
@@ -764,3 +764,17 @@ void btm_sec_clear_ble_keys(tBTM_SEC_DEV_REC* p_dev_rec); 
 *

 ******************************************************************************/

bool btm_sec_is_a_bonded_dev(const RawAddress& bda);



/*******************************************************************************

 *

 * Function         btm_sec_set_peer_sec_caps

 *

 * Description      This function is called to set sm4 and rmt_sec_caps fields

 *                  based on the available peer device features.

 *

 * Returns          void

 *

 ******************************************************************************/

void btm_sec_set_peer_sec_caps(uint16_t hci_handle, bool ssp_supported,

                               bool sc_supported,

                               bool hci_role_switch_supported);
 
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