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Konstantin BogdanovandClaude Opus 4.8
09b249b939
Update the `contrib/libssh` submodule from an upstream master snapshot (`libssh-0.11.0-368-g47305a2f`) to the upstream release `libssh-0.12.0`, tracked via the `ClickHouse/libssh-0.12.0` branch of the fork mirror. Both the old and new pins are clean upstream commits, so no ClickHouse patches needed to be carried forward. Build integration changes in `contrib/libssh-cmake`: - Bump the `libssh_VERSION_*` variables to 0.12.0. - Add the new ML-KEM sources to the build. In 0.12.0, `kex.c` references `ssh_client_hybrid_mlkem_remove_callbacks` from an unguarded switch case, so `hybrid_mlkem.c` and `mlkem.c` are now mandatory. ClickHouse bundles OpenSSL 3.5, which provides the EVP ML-KEM API, so the OpenSSL backend `mlkem_crypto.c` is used (matching upstream's `OPENSSL_VERSION >= 3.5.0` logic). - In every per-platform `config.h`: define `GLOBAL_CONF_DIR` (now used unconditionally via string concatenation in `options.c`), and enable `HAVE_OPENSSL_MLKEM` / `HAVE_MLKEM1024` to select the OpenSSL ML-KEM backend and the ML-KEM-1024 variants. Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>