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added early removal of event items that do not belong to a subscribed lobby (causing signature check error)

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@8161 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
csoler 2015-04-23 19:09:47 +00:00
parent a63829b4ec
commit 3e4d63f4ab
1 changed files with 23 additions and 8 deletions
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31
libretroshare/src/chat/distributedchat.cc
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@ -28,6 +28,7 @@
#include <unistd.h>
#include "util/rsprint.h"
#include "util/rsmemory.h"
#include "distributedchat.h"
#include "pqi/p3historymgr.h"
@ -173,7 +174,7 @@ bool DistributedChatService::checkSignature(RsChatLobbyBouncingObject *obj,const
mGixs->requestKey(obj->signature.keyId,peer_list);
uint32_t size = obj->signed_serial_size() ;
unsigned char *memory = (unsigned char *)malloc(size) ;
RsTemporaryMemory memory(size) ;
#ifdef DEBUG_CHAT_LOBBIES
std::cerr << "Checking object signature: " << std::endl;
@ -182,8 +183,7 @@ bool DistributedChatService::checkSignature(RsChatLobbyBouncingObject *obj,const
if(!obj->serialise_signed_part(memory,size))
{
std::cerr << " (EE) Cannot sign message item. " << std::endl;
free(memory) ;
std::cerr << " (EE) Cannot serialise message item. " << std::endl;
return false ;
}
@ -195,7 +195,10 @@ bool DistributedChatService::checkSignature(RsChatLobbyBouncingObject *obj,const
switch(error_status)
{
case RsGixs::RS_GIXS_ERROR_KEY_NOT_AVAILABLE: std::cerr << "(EE) Key is not available. Cannot verify." << std::endl;
case RsGixs::RS_GIXS_ERROR_KEY_NOT_AVAILABLE:
#ifdef DEBUG_CHAT_LOBBIES
std::cerr << "(WW) Key is not is cache. Cannot verify." << std::endl;
#endif
res =true ;
break ;
case RsGixs::RS_GIXS_ERROR_SIGNATURE_MISMATCH: std::cerr << "(EE) Signature mismatch. Spoofing/MITM?." << std::endl;
@ -203,12 +206,8 @@ bool DistributedChatService::checkSignature(RsChatLobbyBouncingObject *obj,const
break ;
default: break ;
}
free(memory) ;
return res;
}
free(memory) ;
#ifdef DEBUG_CHAT_LOBBIES
std::cerr << " signature: CHECKS" << std::endl;
@ -596,6 +595,22 @@ void DistributedChatService::addTimeShiftStatistics(int D)
void DistributedChatService::handleRecvChatLobbyEventItem(RsChatLobbyEventItem *item)
{
// delete items that are not for us, as early as possible.
{
RsStackMutex stack(mDistributedChatMtx); /********** STACK LOCKED MTX ******/
// send upward for display
if(_chat_lobbys.find(item->lobby_id) == _chat_lobbys.end())
{
#ifdef DEBUG_CHAT_LOBBIES
std::cerr << "Chatlobby for id " << std::hex << item->lobby_id << " has no record. Dropping the msg." << std::dec << std::endl;
#endif
return ;
}
}
#ifdef DEBUG_CHAT_LOBBIES
std::cerr << "Received ChatLobbyEvent item of type " << (int)(item->event_type) << ", and string=" << item->string1 << std::endl;
#endif