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Avoid reject message feedback loops

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This commit is contained in:
Pieter Wuille 2014-09-12 16:37:53 +02:00
parent 3fa1c81b94
commit efad808aae
1 changed files with 16 additions and 12 deletions
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8
src/main.cpp
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@ -4106,8 +4106,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
else if (strCommand == "reject") else if (strCommand == "reject")
{ {
if (fDebug) if (fDebug) {
{ try {
string strMsg; unsigned char ccode; string strReason; string strMsg; unsigned char ccode; string strReason;
vRecv >> LIMITED_STRING(strMsg, CMessageHeader::COMMAND_SIZE) >> ccode >> LIMITED_STRING(strReason, 111); vRecv >> LIMITED_STRING(strMsg, CMessageHeader::COMMAND_SIZE) >> ccode >> LIMITED_STRING(strReason, 111);
@ -4121,6 +4121,10 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
ss << ": hash " << hash.ToString(); ss << ": hash " << hash.ToString();
} }
LogPrint("net", "Reject %s\n", SanitizeString(ss.str())); LogPrint("net", "Reject %s\n", SanitizeString(ss.str()));
} catch (std::ios_base::failure& e) {
// Avoid feedback loops by preventing reject messages from triggering a new reject message.
LogPrint("net", "Unparseable reject message received\n");
}
} }
} }