diff options
Diffstat (limited to 'src/Protocol/Protocol18x.cpp')
| -rw-r--r-- | src/Protocol/Protocol18x.cpp | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/src/Protocol/Protocol18x.cpp b/src/Protocol/Protocol18x.cpp index a92ab5f54..33b6ca68e 100644 --- a/src/Protocol/Protocol18x.cpp +++ b/src/Protocol/Protocol18x.cpp @@ -1716,7 +1716,7 @@ void cProtocol180::AddReceivedData(const char * a_Data, size_t a_Size) m_ReceivedData.ResetRead(); break; } - cByteBuffer bb(PacketLen); + cByteBuffer bb(PacketLen + 1); VERIFY(m_ReceivedData.ReadToByteBuffer(bb, (int)PacketLen)); m_ReceivedData.CommitRead(); @@ -1731,9 +1731,6 @@ void cProtocol180::AddReceivedData(const char * a_Data, size_t a_Size) } } - // Write one NUL extra, so that we can detect over-reads - bb.Write("\0", 1); - UInt32 PacketType; if (!bb.ReadVarInt(PacketType)) { @@ -1741,6 +1738,9 @@ void cProtocol180::AddReceivedData(const char * a_Data, size_t a_Size) break; } + // Write one NUL extra, so that we can detect over-reads + bb.Write("\0", 1); + // Log the packet info into the comm log file: if (g_ShouldLogCommIn) { @@ -1748,7 +1748,7 @@ void cProtocol180::AddReceivedData(const char * a_Data, size_t a_Size) bb.ReadAll(PacketData); bb.ResetRead(); bb.ReadVarInt(PacketType); - ASSERT(PacketData.size() > 0); + ASSERT(PacketData.size() > 0); // We have written an extra NUL, so there had to be at least one byte read PacketData.resize(PacketData.size() - 1); AString PacketDataHex; CreateHexDump(PacketDataHex, PacketData.data(), PacketData.size(), 16); @@ -1782,7 +1782,8 @@ void cProtocol180::AddReceivedData(const char * a_Data, size_t a_Size) return; } - if (bb.GetReadableSpace() != 0) + // The packet should have 1 byte left in the buffer - the NUL we had added + if (bb.GetReadableSpace() != 1) { // Read more or less than packet length, report as error LOGWARNING("Protocol 1.8: Wrong number of bytes read for packet 0x%x, state %d. Read " SIZE_T_FMT " bytes, packet contained %u bytes", |