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| author | Pieter Wuille <pieter.wuille@gmail.com> | 2015-03-05 04:01:22 -0800 |
|---|---|---|
| committer | Pieter Wuille <pieter.wuille@gmail.com> | 2015-03-06 04:03:17 -0800 |
| commit | ba04c4a7801e7d68a5e84035b919e5c3626eb7a7 (patch) | |
| tree | f4719f30e05d9b918ce0175355d81d313526135f /src/net.cpp | |
| parent | 84a05b843b8ab704266289de67c9779ad733a196 (diff) | |
| download | bitcoin-ba04c4a7801e7d68a5e84035b919e5c3626eb7a7.tar.xz | |
Limit message sizes before transfer
This introduces a fixed limit for the size of p2p messages, and enforces it
before download.
Diffstat (limited to 'src/net.cpp')
| -rw-r--r-- | src/net.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/net.cpp b/src/net.cpp index 3c3666615e..d9f470b9e4 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -523,6 +523,11 @@ bool CNode::ReceiveMsgBytes(const char *pch, unsigned int nBytes) if (handled < 0) return false; + if (msg.in_data && msg.hdr.nMessageSize > MAX_PROTOCOL_MESSAGE_LENGTH) { + LogPrint("net", "Oversized message from peer=%i, disconnecting", GetId()); + return false; + } + pch += handled; nBytes -= handled; |