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return ble errors for invalid values

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This commit is contained in:
Kevin Hester 2020-11-16 07:57:32 +08:00
parent 71d1d4d8fa
commit d045139945
1 changed files with 5 additions and 1 deletions
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6
src/nimble/BluetoothUtil.cpp
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@ -392,6 +392,7 @@ void gatt_svr_register_cb(struct ble_gatt_register_ctxt *ctxt, void *arg)
}
}
/**
* A helper function that implements simple read and write handling for a uint32_t
*
@ -415,6 +416,7 @@ int chr_readwrite32le(uint32_t *v, struct ble_gatt_access_ctxt *ctxt)
if (len < sizeof(le)) {
DEBUG_MSG("Error: wrongsized write32\n");
*v = 0;
return BLE_ATT_ERR_UNLIKELY;
} else {
*v = get_le32(le);
DEBUG_MSG("BLE writing a uint32\n");
@ -441,8 +443,10 @@ int chr_readwrite8(uint8_t *v, size_t vlen, struct ble_gatt_access_ctxt *ctxt)
auto rc = ble_hs_mbuf_to_flat(ctxt->om, v, vlen, &len);
assert(rc == 0);
if (len < vlen)
if (len < vlen) {
DEBUG_MSG("Error: wrongsized write\n");
return BLE_ATT_ERR_UNLIKELY;
}
else {
DEBUG_MSG("BLE writing bytes\n");
}