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/*
* Copyright (c) 2020, The OpenThread Authors.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @file
* This file implements Thread Management Framework (TMF) functionalities.
*/
#include "thread/tmf.hpp"
#include "common/locator_getters.hpp"
#include "net/ip6_types.hpp"
namespace ot {
namespace Tmf {
//----------------------------------------------------------------------------------------------------------------------
// MessageInfo
void MessageInfo::SetSockAddrToRloc(void) { SetSockAddr(Get<Mle::MleRouter>().GetMeshLocal16()); }
Error MessageInfo::SetSockAddrToRlocPeerAddrToLeaderAloc(void)
{
SetSockAddrToRloc();
return Get<Mle::MleRouter>().GetLeaderAloc(GetPeerAddr());
}
Error MessageInfo::SetSockAddrToRlocPeerAddrToLeaderRloc(void)
{
SetSockAddrToRloc();
return Get<Mle::MleRouter>().GetLeaderAddress(GetPeerAddr());
}
void MessageInfo::SetSockAddrToRlocPeerAddrToRealmLocalAllRoutersMulticast(void)
{
SetSockAddrToRloc();
GetPeerAddr().SetToRealmLocalAllRoutersMulticast();
}
void MessageInfo::SetSockAddrToRlocPeerAddrTo(uint16_t aRloc16)
{
SetSockAddrToRloc();
SetPeerAddr(Get<Mle::MleRouter>().GetMeshLocal16());
GetPeerAddr().GetIid().SetLocator(aRloc16);
}
void MessageInfo::SetSockAddrToRlocPeerAddrTo(const Ip6::Address &aPeerAddress)
{
SetSockAddrToRloc();
SetPeerAddr(aPeerAddress);
}
//----------------------------------------------------------------------------------------------------------------------
// Agent
Agent::Agent(Instance &aInstance)
: Coap::Coap(aInstance)
{
SetInterceptor(&Filter, this);
SetResourceHandler(&HandleResource);
}
Error Agent::Start(void) { return Coap::Start(kUdpPort, Ip6::kNetifThread); }
template <> void Agent::HandleTmf<kUriRelayRx>(Message &aMessage, const Ip6::MessageInfo &aMessageInfo)
{
OT_UNUSED_VARIABLE(aMessage);
OT_UNUSED_VARIABLE(aMessageInfo);
#if (OPENTHREAD_FTD && OPENTHREAD_CONFIG_COMMISSIONER_ENABLE)
Get<MeshCoP::Commissioner>().HandleTmf<kUriRelayRx>(aMessage, aMessageInfo);
#endif
#if OPENTHREAD_CONFIG_BORDER_AGENT_ENABLE
Get<MeshCoP::BorderAgent>().HandleTmf<kUriRelayRx>(aMessage, aMessageInfo);
#endif
}
bool Agent::HandleResource(CoapBase &aCoapBase,
const char *aUriPath,
Message &aMessage,
const Ip6::MessageInfo &aMessageInfo)
{
return static_cast<Agent &>(aCoapBase).HandleResource(aUriPath, aMessage, aMessageInfo);
}
bool Agent::HandleResource(const char *aUriPath, Message &aMessage, const Ip6::MessageInfo &aMessageInfo)
{
bool didHandle = true;
Uri uri = UriFromPath(aUriPath);
#define Case(kUri, Type) \
case kUri: \
Get<Type>().HandleTmf<kUri>(aMessage, aMessageInfo); \
break
switch (uri)
{
Case(kUriAddressError, AddressResolver);
Case(kUriEnergyScan, EnergyScanServer);
Case(kUriActiveGet, MeshCoP::ActiveDatasetManager);
Case(kUriPendingGet, MeshCoP::PendingDatasetManager);
Case(kUriPanIdQuery, PanIdQueryServer);
#if OPENTHREAD_FTD
Case(kUriAddressQuery, AddressResolver);
Case(kUriAddressNotify, AddressResolver);
Case(kUriAddressSolicit, Mle::MleRouter);
Case(kUriAddressRelease, Mle::MleRouter);
Case(kUriActiveSet, MeshCoP::ActiveDatasetManager);
Case(kUriActiveReplace, MeshCoP::ActiveDatasetManager);
Case(kUriPendingSet, MeshCoP::PendingDatasetManager);
Case(kUriLeaderPetition, MeshCoP::Leader);
Case(kUriLeaderKeepAlive, MeshCoP::Leader);
Case(kUriServerData, NetworkData::Leader);
Case(kUriCommissionerGet, NetworkData::Leader);
Case(kUriCommissionerSet, NetworkData::Leader);
Case(kUriAnnounceBegin, AnnounceBeginServer);
Case(kUriRelayTx, MeshCoP::JoinerRouter);
#endif
#if OPENTHREAD_CONFIG_JOINER_ENABLE
Case(kUriJoinerEntrust, MeshCoP::Joiner);
#endif
#if OPENTHREAD_CONFIG_COMMISSIONER_ENABLE && OPENTHREAD_FTD
Case(kUriPanIdConflict, PanIdQueryClient);
Case(kUriEnergyReport, EnergyScanClient);
Case(kUriDatasetChanged, MeshCoP::Commissioner);
// kUriRelayRx is handled below
#endif
#if OPENTHREAD_CONFIG_BORDER_AGENT_ENABLE || (OPENTHREAD_FTD && OPENTHREAD_CONFIG_COMMISSIONER_ENABLE)
Case(kUriRelayRx, Agent);
#endif
#if OPENTHREAD_CONFIG_DUA_ENABLE || (OPENTHREAD_FTD && OPENTHREAD_CONFIG_TMF_PROXY_DUA_ENABLE)
Case(kUriDuaRegistrationNotify, DuaManager);
#endif
#if OPENTHREAD_CONFIG_TMF_ANYCAST_LOCATOR_ENABLE
Case(kUriAnycastLocate, AnycastLocator);
#endif
Case(kUriDiagnosticGetRequest, NetworkDiagnostic::Server);
Case(kUriDiagnosticGetQuery, NetworkDiagnostic::Server);
Case(kUriDiagnosticReset, NetworkDiagnostic::Server);
#if OPENTHREAD_CONFIG_TMF_NETDIAG_CLIENT_ENABLE
Case(kUriDiagnosticGetAnswer, NetworkDiagnostic::Client);
#endif
#if OPENTHREAD_FTD && OPENTHREAD_CONFIG_BACKBONE_ROUTER_ENABLE
#if OPENTHREAD_CONFIG_BACKBONE_ROUTER_MULTICAST_ROUTING_ENABLE
Case(kUriMlr, BackboneRouter::Manager);
#endif
#if OPENTHREAD_CONFIG_BACKBONE_ROUTER_DUA_NDPROXYING_ENABLE
Case(kUriDuaRegistrationRequest, BackboneRouter::Manager);
#endif
#endif
default:
didHandle = false;
break;
}
#undef Case
return didHandle;
}
Error Agent::Filter(const Message &aMessage, const Ip6::MessageInfo &aMessageInfo, void *aContext)
{
OT_UNUSED_VARIABLE(aMessage);
return static_cast<Agent *>(aContext)->IsTmfMessage(aMessageInfo.GetPeerAddr(), aMessageInfo.GetSockAddr(),
aMessageInfo.GetSockPort())
? kErrorNone
: kErrorNotTmf;
}
bool Agent::IsTmfMessage(const Ip6::Address &aSourceAddress, const Ip6::Address &aDestAddress, uint16_t aDestPort) const
{
bool isTmf = false;
VerifyOrExit(aDestPort == kUdpPort);
if (aSourceAddress.IsLinkLocal())
{
isTmf = aDestAddress.IsLinkLocal() || aDestAddress.IsLinkLocalMulticast();
ExitNow();
}
VerifyOrExit(Get<Mle::Mle>().IsMeshLocalAddress(aSourceAddress));
VerifyOrExit(Get<Mle::Mle>().IsMeshLocalAddress(aDestAddress) || aDestAddress.IsLinkLocalMulticast() ||
aDestAddress.IsRealmLocalMulticast());
isTmf = true;
exit:
return isTmf;
}
uint8_t Agent::PriorityToDscp(Message::Priority aPriority)
{
uint8_t dscp = Ip6::kDscpTmfNormalPriority;
switch (aPriority)
{
case Message::kPriorityNet:
dscp = Ip6::kDscpTmfNetPriority;
break;
case Message::kPriorityHigh:
case Message::kPriorityNormal:
break;
case Message::kPriorityLow:
dscp = Ip6::kDscpTmfLowPriority;
break;
}
return dscp;
}
Message::Priority Agent::DscpToPriority(uint8_t aDscp)
{
Message::Priority priority = Message::kPriorityNet;
// If the sender does not use TMF specific DSCP value, we use
// `kPriorityNet`. This ensures that senders that do not use the
// new value (older firmware) experience the same behavior as
// before where all TMF message were treated as `kPriorityNet`.
switch (aDscp)
{
case Ip6::kDscpTmfNetPriority:
default:
break;
case Ip6::kDscpTmfNormalPriority:
priority = Message::kPriorityNormal;
break;
case Ip6::kDscpTmfLowPriority:
priority = Message::kPriorityLow;
break;
}
return priority;
}
#if OPENTHREAD_CONFIG_SECURE_TRANSPORT_ENABLE
SecureAgent::SecureAgent(Instance &aInstance)
: Coap::CoapSecure(aInstance)
{
SetResourceHandler(&HandleResource);
}
bool SecureAgent::HandleResource(CoapBase &aCoapBase,
const char *aUriPath,
Message &aMessage,
const Ip6::MessageInfo &aMessageInfo)
{
return static_cast<SecureAgent &>(aCoapBase).HandleResource(aUriPath, aMessage, aMessageInfo);
}
bool SecureAgent::HandleResource(const char *aUriPath, Message &aMessage, const Ip6::MessageInfo &aMessageInfo)
{
OT_UNUSED_VARIABLE(aMessage);
OT_UNUSED_VARIABLE(aMessageInfo);
bool didHandle = true;
Uri uri = UriFromPath(aUriPath);
#define Case(kUri, Type) \
case kUri: \
Get<Type>().HandleTmf<kUri>(aMessage, aMessageInfo); \
break
switch (uri)
{
#if OPENTHREAD_FTD && OPENTHREAD_CONFIG_COMMISSIONER_ENABLE
Case(kUriJoinerFinalize, MeshCoP::Commissioner);
#endif
#if OPENTHREAD_CONFIG_BORDER_AGENT_ENABLE
Case(kUriCommissionerPetition, MeshCoP::BorderAgent);
Case(kUriCommissionerKeepAlive, MeshCoP::BorderAgent);
Case(kUriRelayTx, MeshCoP::BorderAgent);
Case(kUriCommissionerGet, MeshCoP::BorderAgent);
Case(kUriCommissionerSet, MeshCoP::BorderAgent);
Case(kUriActiveGet, MeshCoP::BorderAgent);
Case(kUriActiveSet, MeshCoP::BorderAgent);
Case(kUriPendingGet, MeshCoP::BorderAgent);
Case(kUriPendingSet, MeshCoP::BorderAgent);
Case(kUriProxyTx, MeshCoP::BorderAgent);
#endif
default:
didHandle = false;
break;
}
#undef Case
return didHandle;
}
#endif // OPENTHREAD_CONFIG_SECURE_TRANSPORT_ENABLE
} // namespace Tmf
} // namespace ot