h2zero/esp-nimble-cpp
1
0
Fork 1
mirror of https://github.com/h2zero/esp-nimble-cpp.git synced 2025-07-29 18:07:14 +02:00
Code Issues Packages Projects Releases Wiki Activity

Fix missing data when reading large values.

Browse Source 
The wrong length value was being used to set the values read from peer attributes.
This has been corrected to use the proper value size.
This commit is contained in:
h2zero
2021-12-29 14:01:37 -07:00
parent 7a82067177
commit f2ade345f4
2 changed files with 8 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/NimBLERemoteCharacteristic.cpp
View File

@ -547,11 +547,12 @@ int NimBLERemoteCharacteristic::onReadCB(uint16_t conn_handle,
if(rc == 0) {
if(attr) {
if(((*strBuf).length() + attr->om->om_len) > BLE_ATT_ATTR_MAX_LEN) {
uint32_t data_len = OS_MBUF_PKTLEN(attr->om);
if(((*strBuf).length() + data_len) > BLE_ATT_ATTR_MAX_LEN) {
rc = BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN;
} else {
NIMBLE_LOGD(LOG_TAG, "Got %d bytes", attr->om->om_len);
(*strBuf) += std::string((char*) attr->om->om_data, attr->om->om_len);
NIMBLE_LOGD(LOG_TAG, "Got %d bytes", data_len);
(*strBuf) += std::string((char*) attr->om->om_data, data_len);
return 0;
}
}

7
src/NimBLERemoteDescriptor.cpp
View File

@ -202,11 +202,12 @@ int NimBLERemoteDescriptor::onReadCB(uint16_t conn_handle,
if(rc == 0) {
if(attr) {
if(((*strBuf).length() + attr->om->om_len) > BLE_ATT_ATTR_MAX_LEN) {
uint32_t data_len = OS_MBUF_PKTLEN(attr->om);
if(((*strBuf).length() + data_len) > BLE_ATT_ATTR_MAX_LEN) {
rc = BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN;
} else {
NIMBLE_LOGD(LOG_TAG, "Got %d bytes", attr->om->om_len);
(*strBuf) += std::string((char*) attr->om->om_data, attr->om->om_len);
NIMBLE_LOGD(LOG_TAG, "Got %d bytes", data_len);
(*strBuf) += std::string((char*) attr->om->om_data, data_len);
return 0;
}
}