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StellaOps Bot
2025-12-12 09:35:37 +02:00
parent ce5ec9c158
commit efaf3cb789
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docs/modules/scanner/architecture.md
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@@ -52,6 +52,7 @@ Analyzer assemblies and buildx generators are packaged as **restart-time plug-in
- **Synthetic roots**: treat `.preinit_array`, `.init_array`, legacy `.ctors`, and `_init` as graph entrypoints; add roots for constructors in each `DT_NEEDED` dependency. Tag edges from these roots with `phase=load` for explainers.
- **Build-id capture**: read `.note.gnu.build-id` for every ELF, store hex build-id alongside soname/path, propagate into `SymbolID`/`code_id`, and expose it to SBOM + runtime joiners. If missing, fall back to file hash and mark source accordingly.
- **PURL-resolved edges**: annotate call edges with the callee purl and `symbol_digest` so graphs merge with SBOM components. See `docs/reachability/purl-resolved-edges.md` for schema rules and acceptance tests.
- **Symbol hints in evidence**: reachability union and richgraph payloads emit `symbol {mangled,demangled,source,confidence}` plus optional `code_block_hash` for stripped/heuristic functions; serializers clamp confidence to [0,1] and uppercase `source` (`DWARF|PDB|SYM|NONE`) for determinism.
- **Unknowns emission**: when symbol → purl mapping or edge targets remain unresolved, emit structured Unknowns to Signals (see `docs/signals/unknowns-registry.md`) instead of dropping evidence.
- **Hybrid attestation**: emit **graph-level DSSE** for every `richgraph-v1` (mandatory) and optional **edge-bundle DSSE** (≤512 edges) for runtime/init-root/contested edges or third-party provenance. Publish graph DSSE digests to Rekor by default; edge-bundle Rekor publish is policy-driven. CAS layout: `cas://reachability/graphs/{blake3}` for graph body, `.../{blake3}.dsse` for envelope, and `cas://reachability/edges/{graph_hash}/{bundle_id}[.dsse]` for bundles. Deterministic ordering before hashing/signing is required.
- **Deterministic call-graph manifest**: capture analyzer versions, feed hashes, toolchain digests, and flags in a manifest stored alongside `richgraph-v1`; replaying with the same manifest MUST yield identical node/edge sets and hashes (see `docs/reachability/lead.md`).