| Commit message (Collapse) | Author | Age | Files | Lines |
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Two threads closing the same fd both copied the descriptor and both called
Close(), so a host socket could be closed twice, and the second closesocket
could hit an unrelated socket that had reused the host fd. CloseImpl now
frees the slot under file_descriptors_mutex first and only that thread closes
the socket; the other gets EBADF.
OnProxyPacketReceived decompressed every room packet when any fd had a
socket, including native sockets and proxy sockets on other ports. Sockets
now report through AcceptsProxyPacket whether they want a packet, and only
those are collected, so an unwanted packet is not decompressed.
DecompressDataZSTD passed the frame's declared size straight to the vector
constructor, so a malformed or unsized frame from a room member threw on the
room thread. The new TryDecompressDataZSTD rejects invalid, unsized and
oversized frames, and bsd drops such packets with a warning.
DecompressDataZSTD now returns an empty vector for them instead of throwing.
Assisted-by: Claude Opus 5.5 (investigation and implementation)
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- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [x] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md).
- [x] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.
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- Add NCZBLOCK (nsz -B / .xcz) reader: each read decodes only the covered blocks and re-encrypts CTR sections, no disk output.
- Allow installing solid .nsz to NAND via DecompressNCZForInstall (lazy, incremental decode with frontier, O(n) instead of O(n^2)).
- Accept BKTR updates with thousands of sections (MaxSectionCount = 0x10000).
- Wire .nsz/.xcz into loader, registered cache, scanner, and NAND install (content_manager.h), and reject solid NCZ from the game list.
- Bump the pinned zstd to 33618c8 in cpmfile.json, which includes the upstream AArch64 revert ([33618c89](https://github.com/facebook/zstd/commit/33618c89e511637f8a6ef955b3501766d71feb53)) for a ZSTD_decodeSequence branch optimization that could corrupt data on ARM64; without it, solid NCZ decoding on Android fails with "Data corruption detected".
NCZ format and CTR counter semantics follow the reference nsz tool and its
Rust port:
- https://github.com/nicoboss/nsz (Decompressor.py, BlockDecompressorReader.py)
- https://docs.rs/nsz-rs/0.3.0/src/nsz_rs/decompress.rs.html
The last-block edge case (decompressed size is an exact multiple of block
size) is handled as described in https://github.com/nicoboss/nsz/issues/210
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4552
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Reviewed-by: Shinmegumi <shinmegumi@eden-emu.dev>
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This formats all copyright comments according to SPDX formatting guidelines.
Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
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Allows for the incoming data stream to be non-allocating.
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Seems like all compilers don't support std::span yet.
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Now that clang-format makes [[nodiscard]] attributes format sensibly, we
can apply them to several functions within the common library to allow
the compiler to complain about any misuses of the functions.
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Allows condensing the data and size parameters into a single argument.
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These two files were missing the #pragma once directive.
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