fixed the issue iOS devices cannot initiate connection

to ESP32 while there is a BLE connection to this ESP32 Closes #6557
espressif · Sep 28, 2022 · f2000d8 · f2000d8
1 parent 89ecfa9
commit f2000d8
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Showing 3 changed files with 5 additions and 6 deletions.
diff --git a/components/bt/host/bluedroid/stack/btm/btm_acl.c b/components/bt/host/bluedroid/stack/btm/btm_acl.c
@@ -347,10 +347,6 @@ void btm_acl_created (BD_ADDR bda, DEV_CLASS dc, BD_NAME bdn,
                         btm_establish_continue (p);
                         return;
                     }
-                } else {
-                    /* If remote features indicated secure connection (SC) mode, check the remote feautres again*/
-                    /* this is to prevent from BIAS attack where attacker can downgrade SC mode*/
-                    btm_read_remote_features (p->hci_handle);
                 }
             }
 

diff --git a/components/bt/host/bluedroid/stack/btm/btm_sec.c b/components/bt/host/bluedroid/stack/btm/btm_sec.c
@@ -4027,7 +4027,9 @@ void btm_sec_auth_complete (UINT16 handle, UINT8 status)
         return;
     }
 
-    p_dev_rec->sec_flags |= BTM_SEC_AUTHENTICATED;
+    if (!(p_dev_rec->sm4 & BTM_SM4_UPGRADE)) {
+        p_dev_rec->sec_flags |= BTM_SEC_AUTHENTICATED;
+    }
 
     if (p_dev_rec->pin_code_length >= 16 ||
             p_dev_rec->link_key_type == BTM_LKEY_TYPE_AUTH_COMB ||

diff --git a/components/bt/host/bluedroid/stack/l2cap/l2c_link.c b/components/bt/host/bluedroid/stack/l2cap/l2c_link.c
@@ -87,7 +87,8 @@ BOOLEAN l2c_link_hci_conn_req (BD_ADDR bd_addr)
 
             if (p_lcb_cur->in_use) {
                 no_links = FALSE;
-                p_lcb->link_role = HCI_ROLE_MASTER;
+                // p_lcb->link_role = HCI_ROLE_MASTER;
+                p_lcb->link_role = HCI_ROLE_SLAVE;
                 break;
             }
         }