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Reject MGMT_ACTIVE_SET.req when Commissioner Session Id is invalid (not the same) (#671)

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* Reject MGMT_ACTIVE_SET.req when Commissioner Session Id is invalid (not the same)
This commit is contained in:
Lu Wang
2016-09-22 22:56:26 -07:00
committed by Jonathan Hui
parent 338bd63175
commit 118ada3433
1 changed files with 28 additions and 0 deletions
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src/core/thread/meshcop_dataset_manager.cpp
+28
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@@ -271,6 +271,34 @@ void DatasetManager::HandleSet(Coap::Header &aHeader, Message &aMessage, const I
ExitNow(state = StateTlv::kReject);
}
// verify session id is the same
if (tlvType == Tlv::kCommissionerSessionId)
{
uint8_t *cur;
uint8_t *end;
uint8_t length;
cur = mNetworkDataLeader.GetCommissioningData(length);
end = cur + length;
while (cur < end)
{
Tlv *data = reinterpret_cast<Tlv *>(cur);
if (data->GetType() == Tlv::kCommissionerSessionId)
{
uint16_t sessionId;
sessionId = static_cast<CommissionerSessionIdTlv *>(data)->GetCommissionerSessionId();
VerifyOrExit(sessionId == static_cast<CommissionerSessionIdTlv *>(&tlv)->GetCommissionerSessionId(),
state = StateTlv::kReject);
break;
}
cur += sizeof(Tlv) + data->GetLength();
}
}
offset += sizeof(tlv) + tlv.GetLength();
}