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| author | Loki <lokirautio@gmail.com> | 2026-03-09 06:53:08 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2026-03-09 06:53:08 -0500 |
| commit | bda3b1078ac357b805156a8802a0649f7021716e (patch) | |
| tree | 838cf12ae598a810fb90a6e455f7fc03131f1342 /Minecraft.World/BlockRegionUpdatePacket.cpp | |
| parent | a358a3caaee2a4781f910cfb440bd822ae73a7e5 (diff) | |
Port over RCE Patches from LCEMP (#1023)
* LCEMP RCE Fixes WIP
Based on https://github.com/LCEMP/LCEMP/commit/d017bfc30a68888bf5c79b23cf5c4f607cf828bf
* Update to LCEMP's ByteArrayIO version
Fixes compilation since ours was missing some revisions from LCEMP
* Add additional safety checks missed in first pass
* Remove duplicate recipe count check
Diffstat (limited to 'Minecraft.World/BlockRegionUpdatePacket.cpp')
| -rw-r--r-- | Minecraft.World/BlockRegionUpdatePacket.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Minecraft.World/BlockRegionUpdatePacket.cpp b/Minecraft.World/BlockRegionUpdatePacket.cpp index 730ce3ed..b91cf4f8 100644 --- a/Minecraft.World/BlockRegionUpdatePacket.cpp +++ b/Minecraft.World/BlockRegionUpdatePacket.cpp @@ -105,6 +105,12 @@ void BlockRegionUpdatePacket::read(DataInputStream *dis) //throws IOException levelIdx = ( size >> 30 ) & 3; size &= 0x3fffffff; + const int MAX_COMPRESSED_CHUNK_SIZE = 5 * 1024 * 1024; + if (size < 0 || size > MAX_COMPRESSED_CHUNK_SIZE) + { + size = 0; + } + if(size == 0) { buffer = byteArray(); |