You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
264 lines
7.7 KiB
264 lines
7.7 KiB
/*==LICENSE==* |
|
|
|
CyanWorlds.com Engine - MMOG client, server and tools |
|
Copyright (C) 2011 Cyan Worlds, Inc. |
|
|
|
This program is free software: you can redistribute it and/or modify |
|
it under the terms of the GNU General Public License as published by |
|
the Free Software Foundation, either version 3 of the License, or |
|
(at your option) any later version. |
|
|
|
This program is distributed in the hope that it will be useful, |
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
GNU General Public License for more details. |
|
|
|
You should have received a copy of the GNU General Public License |
|
along with this program. If not, see <http://www.gnu.org/licenses/>. |
|
|
|
Additional permissions under GNU GPL version 3 section 7 |
|
|
|
If you modify this Program, or any covered work, by linking or |
|
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
|
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
|
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
|
(or a modified version of those libraries), |
|
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
|
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
|
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
|
licensors of this Program grant you additional |
|
permission to convey the resulting work. Corresponding Source for a |
|
non-source form of such a combination shall include the source code for |
|
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
|
work. |
|
|
|
You can contact Cyan Worlds, Inc. by email legal@cyan.com |
|
or by snail mail at: |
|
Cyan Worlds, Inc. |
|
14617 N Newport Hwy |
|
Mead, WA 99021 |
|
|
|
*==LICENSE==*/ |
|
#include "hsTypes.h" |
|
#include "plNetMsgScreener.h" |
|
#include "plCreatableIndex.h" |
|
|
|
#include "../pnNetCommon/plNetApp.h" |
|
#include "../pnMessage/plNotifyMsg.h" |
|
#include "../pnMessage/plEnableMsg.h" |
|
#include "../pnMessage/plSetNetGroupIDMsg.h" |
|
#include "../pnInputCore/plControlEventCodes.h" |
|
|
|
#include "../plMessage/plCCRMsg.h" |
|
#include "../plMessage/plLinkToAgeMsg.h" |
|
#include "../plMessage/plAvatarMsg.h" |
|
#include "../plMessage/plInputIfaceMgrMsg.h" |
|
#include "../plMessage/plInputEventMsg.h" |
|
#include "../plMessage/plAnimCmdMsg.h" |
|
#include "../plMessage/plBulletMsg.h" |
|
#include "../plMessage/plAvCoopMsg.h" |
|
#include "../plMessage/plParticleUpdateMsg.h" |
|
|
|
#include "../../FeatureLib/pfMessage/pfKIMsg.h" |
|
#include "../../FeatureLib/pfMessage/plClothingMsg.h" |
|
|
|
// |
|
// say why the msg got rejected |
|
// |
|
void plNetMsgScreener::IRejectLogMsg(Int16 classIndex, const char* desc, const plNetGameMember* gm) const |
|
{ |
|
DebugMsg("Message %s was rejected, reason:%s, age:%s, client:%s", |
|
plFactory::GetNameOfClass(classIndex), desc, IGetAgeName(), IGetSenderName(gm)); |
|
} |
|
|
|
// |
|
// say why the msg got rejected |
|
// |
|
void plNetMsgScreener::IRejectLogMsg(const plMessage* msg, const char* desc, const plNetGameMember* gm) const |
|
{ |
|
const char* senderName = msg->GetSender() ? msg->GetSender()->GetUoid().GetObjectName() : "?"; |
|
const char* rcvrName = msg->GetNumReceivers() && msg->GetReceiver(0) ? msg->GetReceiver(0)->GetUoid().GetObjectName() : "?"; |
|
|
|
DebugMsg("Message %s was rejected, reason:%s, age:%s, client:%s, msgSndr:%s, msgRcvr:%s", |
|
msg->ClassName(), desc, IGetAgeName(), IGetSenderName(gm), |
|
senderName, rcvrName); |
|
} |
|
|
|
// |
|
// Try to accept/reject quickly |
|
// the netMsg arg has been peeked except for the stream |
|
// |
|
plNetMsgScreener::Answer plNetMsgScreener::IAllowMessageType(Int16 classIndex, const plNetGameMember* gm) const |
|
{ |
|
// Check based on baseclass |
|
if (plFactory::DerivesFrom(plCCRMessage::Index(), classIndex)) |
|
{ |
|
ILogCCRMessage(classIndex, gm); |
|
Answer ans=IIsSenderCCR(gm) ? kYes : kNo; |
|
if (ans==kNo) |
|
{ |
|
IRejectLogMsg(classIndex, "Not a CCR", gm); |
|
} |
|
return ans; |
|
} |
|
|
|
// Check based on exact type |
|
switch(classIndex) |
|
{ |
|
// these are wrapped in their own net msg, so the client will see them this way, but not the server |
|
// that's why they check IAmClient() - this is a special case |
|
case CLASS_INDEX_SCOPED(plLoadAvatarMsg): |
|
case CLASS_INDEX_SCOPED(plLoadCloneMsg): |
|
{ |
|
Answer ans=IAmClient() ? kYes : kNo; |
|
if (ans==kNo) |
|
{ |
|
IRejectLogMsg(classIndex, "Only seen in native form on client", gm); |
|
} |
|
return ans; |
|
} |
|
|
|
// definitely yes |
|
case CLASS_INDEX_SCOPED(pfMarkerMsg): |
|
case CLASS_INDEX_SCOPED(plBulletMsg): |
|
case CLASS_INDEX_SCOPED(plNotifyMsg): |
|
case CLASS_INDEX_SCOPED(plSetNetGroupIDMsg): |
|
case CLASS_INDEX_SCOPED(plAvCoopMsg): |
|
case CLASS_INDEX_SCOPED(plClothingMsg): |
|
case CLASS_INDEX_SCOPED(plEnableMsg): |
|
case CLASS_INDEX_SCOPED(plLinkToAgeMsg): |
|
return kYes; |
|
|
|
// definitely yes or no (based on whether sender is a CCR) |
|
case CLASS_INDEX_SCOPED(plWarpMsg): |
|
{ |
|
Answer ans=IIsSenderCCR(gm) ? kYes : kNo; |
|
if (ans==kNo) |
|
{ |
|
IRejectLogMsg(classIndex, "Not a CCR", gm); |
|
} |
|
return ans; |
|
} |
|
|
|
// conditionally yes, requires further validation of msg contents |
|
case CLASS_INDEX_SCOPED(plAnimCmdMsg): |
|
case CLASS_INDEX_SCOPED(pfKIMsg): |
|
case CLASS_INDEX_SCOPED(plAvTaskMsg): |
|
case CLASS_INDEX_SCOPED(plLinkEffectsTriggerMsg): |
|
case CLASS_INDEX_SCOPED(plInputIfaceMgrMsg): |
|
case CLASS_INDEX_SCOPED(plParticleKillMsg): |
|
case CLASS_INDEX_SCOPED(plParticleTransferMsg): |
|
case CLASS_INDEX_SCOPED(plAvatarInputStateMsg): |
|
case CLASS_INDEX_SCOPED(plAvBrainGenericMsg): |
|
case CLASS_INDEX_SCOPED(plMultistageModMsg): |
|
return kMaybe; |
|
|
|
// definitely no |
|
default: |
|
IRejectLogMsg(classIndex, "Illegal msg class", gm); |
|
return kNo; |
|
} |
|
} |
|
|
|
// |
|
// Message may be allowed if contents or conditions are met |
|
// |
|
bool plNetMsgScreener::IValidateMessage(const plMessage* msg, const plNetGameMember* gm) const |
|
{ |
|
if (!msg) |
|
return true; |
|
|
|
switch(msg->ClassIndex()) |
|
{ |
|
// Only chat KI msgs are allowed. |
|
// Admin/system-wide chat msgs are only allowed by CCRs |
|
case CLASS_INDEX_SCOPED(pfKIMsg): |
|
{ |
|
const pfKIMsg* km = pfKIMsg::ConvertNoRef(msg); |
|
if (km->GetCommand() != pfKIMsg::kHACKChatMsg) |
|
{ |
|
IRejectLogMsg(msg, "Non-chat KI msg", gm); |
|
return false; |
|
} |
|
|
|
ILogChatMessage(msg, gm); |
|
if (km->GetFlags() & pfKIMsg::kAdminMsg) |
|
{ |
|
if (!IIsSenderCCR(gm)) |
|
{ |
|
IRejectLogMsg(msg, "Must be a CCR to send an Admin KI msg", gm); |
|
return false; |
|
} |
|
} |
|
return true; |
|
} |
|
break; |
|
|
|
// Allowed for local avatar |
|
case CLASS_INDEX_SCOPED(plAvTaskMsg): |
|
case CLASS_INDEX_SCOPED(plAvatarInputStateMsg): |
|
case CLASS_INDEX_SCOPED(plAvBrainGenericMsg): |
|
case CLASS_INDEX_SCOPED(plMultistageModMsg): |
|
{ |
|
bool ret=IIsLocalArmatureModKey(msg->GetReceiver(0), gm); |
|
if (!ret) |
|
{ |
|
IRejectLogMsg(msg, "msg must refer to local avatar", gm); |
|
} |
|
return ret; |
|
} |
|
|
|
// Allowed for local avatar |
|
case CLASS_INDEX_SCOPED(plLinkEffectsTriggerMsg): |
|
{ |
|
const plLinkEffectsTriggerMsg* linkMsg = plLinkEffectsTriggerMsg::ConvertNoRef(msg); |
|
bool ret=IIsLocalAvatarKey(linkMsg->GetLinkKey(), gm); |
|
if (!ret) |
|
{ |
|
IRejectLogMsg(msg, "msg must refer to local avatar", gm); |
|
} |
|
return ret; |
|
} |
|
|
|
// Allowed for local avatar |
|
case CLASS_INDEX_SCOPED(plInputIfaceMgrMsg): |
|
{ |
|
const plInputIfaceMgrMsg* iMsg = plInputIfaceMgrMsg::ConvertNoRef(msg); |
|
bool ret=IIsLocalAvatarKey(iMsg->GetAvKey(), gm); |
|
if (!ret) |
|
{ |
|
IRejectLogMsg(msg, "msg must refer to local avatar", gm); |
|
} |
|
return ret; |
|
} |
|
break; |
|
|
|
case CLASS_INDEX_SCOPED(plParticleKillMsg): |
|
case CLASS_INDEX_SCOPED(plParticleTransferMsg): |
|
{ |
|
bool ret = IIsLocalAvatarKey(msg->GetReceiver(0), gm); |
|
if (!ret) |
|
{ |
|
IRejectLogMsg(msg, "msg must refer to local avatar", gm); |
|
} |
|
return ret; |
|
} |
|
break; |
|
|
|
case CLASS_INDEX_SCOPED(plAnimCmdMsg): |
|
{ |
|
const plAnimCmdMsg *animMsg = plAnimCmdMsg::ConvertNoRef(msg); |
|
bool ret = (animMsg->GetNumCallbacks() == 0); |
|
if (!ret) |
|
{ |
|
IRejectLogMsg(msg, "msg has callbacks", gm); |
|
} |
|
return ret; |
|
} |
|
break; |
|
default: |
|
return false; |
|
} |
|
|
|
} |
|
|
|
|