apps: btshell: add support for authorization

For async authorization testing purposes characteristic
and authorize shell command are added.
We always respond with BLE_GAP_AUTHORIZE_PENDING to
GAP_EVENT_AUTHORIZE.

Author: piotrnarajowski

apps/btshell/src/cmd.c

@@ -176,6 +176,58 @@ cmd_parse_addr(const char *prefix, ble_addr_t *addr)
     return parse_dev_addr(prefix, cmd_addr_type, addr);
 }
 
+static int
+pending_operation_authorize(int argc, char **argv)
+{
+    uint16_t conn_handle;
+    uint16_t attr_handle;
+    int auth;
+    int rc;
+
+    rc = parse_arg_init(argc - 1, argv + 1);
+    if (rc != 0) {
+        return rc;
+    }
+
+    conn_handle = parse_arg_uint16("conn", &rc);
+    if (rc != 0) {
+        console_printf("invalid 'conn' parameter\n");
+        return rc;
+    }
+
+    attr_handle = parse_arg_uint16("attr", &rc);
+    if (rc != 0) {
+        console_printf("invalid 'attr' parameter\n");
+        return rc;
+    }
+
+    auth = parse_arg_bool_dflt("auth", 1, &rc);
+    if (rc != 0) {
+        console_printf("invalid 'auth' parameter\n");
+        return rc;
+    }
+
+    ble_gatts_pending_req_auth(conn_handle, attr_handle, auth);
+
+    return 0;
+
+}
+
+#if MYNEWT_VAL(SHELL_CMD_HELP)
+static const struct shell_param authorize_params[] = {
+    {"conn", "connection handle parameter, usage: =<UINT16>"},
+    {"attr", "attribute hndle parameter to authorize, usage: =<UINT16>"},
+    {"auth", "whether to authorize access, usage: =[0-1], default=1"},
+    {NULL, NULL}
+};
+
+static const struct shell_cmd_help authorize_help = {
+    .summary = "authorize command",
+    .usage = NULL,
+    .params = authorize_params,
+};
+#endif
+
 /*****************************************************************************
  * $advertise                                                                *
  *****************************************************************************/
@@ -4374,6 +4426,11 @@ static const struct shell_cmd_help leaudio_broadcast_stop_help = {
 #endif /* BLE_AUDIO && BLE_ISO_BROADCAST_SOURCE */
 
 static const struct shell_cmd btshell_commands[] = {
+    {
+        .sc_cmd = "authorize",
+        .sc_cmd_func = pending_operation_authorize,
+        .help = &authorize_help,
+    },
 #if MYNEWT_VAL(BLE_EXT_ADV)
     {
         .sc_cmd = "advertise-configure",

apps/btshell/src/gatt_svr.c

@@ -46,6 +46,7 @@
 #define  PTS_DSC_READ_WRITE              0x000b
 #define  PTS_DSC_READ_WRITE_ENC          0x000c
 #define  PTS_DSC_READ_WRITE_AUTHEN       0x000d
+#define  PTS_CHR_READ_WRITE_AUTHOR       0x000e
 
 #define  PTS_LONG_SVC                    0x0011
 #define  PTS_LONG_CHR_READ               0x0012
@@ -178,8 +179,14 @@ static const struct ble_gatt_svc_def gatt_svr_svcs[] = {
                         0, /* No more descriptors in this characteristic. */
                     } }
             }, {
-                0, /* No more characteristics in this service. */
-            } },
+                .uuid = PTS_UUID_DECLARE(PTS_CHR_READ_WRITE_AUTHOR),
+                .access_cb = gatt_svr_access_test,
+                .flags = BLE_GATT_CHR_F_READ_AUTHOR | BLE_GATT_CHR_F_READ |
+                         BLE_GATT_CHR_F_WRITE_AUTHOR | BLE_GATT_CHR_F_WRITE
+            }, {
+                0,  /* No more characteristics in this service. */
+            }
+        },
     },
 
     {
@@ -465,6 +472,18 @@ gatt_svr_access_test(uint16_t conn_handle, uint16_t attr_handle,
                                 sizeof gatt_svr_pts_static_val);
             return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
         }
+
+    case PTS_CHR_READ_WRITE_AUTHOR:
+        if (ctxt->op == BLE_GATT_ACCESS_OP_READ_CHR) {
+            rc = os_mbuf_append(ctxt->om, &gatt_svr_pts_static_val,
+                                sizeof gatt_svr_pts_static_val);
+            return rc == 0 ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
+        } else if (ctxt->op == BLE_GATT_ACCESS_OP_WRITE_CHR) {
+            rc = gatt_svr_chr_write(ctxt->om,0,
+                                    sizeof gatt_svr_pts_static_val,
+                                    &gatt_svr_pts_static_val, NULL);
+            return rc;
+        }
         assert(0);
         break;
     default:

apps/btshell/src/main.c

@@ -1555,6 +1555,14 @@ btshell_gap_event(struct ble_gap_event *event, void *arg)
         return 0;
 #endif
 #endif
+    case BLE_GAP_EVENT_AUTHORIZE:
+        console_printf("Authorize access to attribute: conn_handle=%d, "
+                       "attr_handle=%d, "
+                       "att_opcode=%d\n",
+                       event->authorize.conn_handle,
+                       event->authorize.attr_handle,
+                       event->authorize.access_opcode);
+        return BLE_GAP_AUTHORIZE_PENDING;
     default:
         return 0;
     }