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Joseph Doherty 22e9c5e5f8 gRPC 2023 R2: fix auth handshake op routing + accept History v12
First live-verified gRPC read against a real 2023 R2 Historian. The handshake
previously failed at round 0 (cred-independent) because the SSPI/Negotiate token
loop was routed to HistoryService.ExchangeKey. ExchangeKey is a separate
key-exchange/cert-path op, not the Negotiate loop — the token loop belongs on
StorageService.ValidateClientCredential, which kept the 2020 inBuff/outBuff token
framing the SDK's WrapValidateClientCredentialToken/TryRead helpers already build.

Captured + diffed against the recovered 2023 R2 protobuf contract and the
decompiled stock client; routing the loop to ValidateClientCredential completes
the full chain (ValidateClientCredential x N -> OpenConnection -> StartQuery ->
GetNextQueryResultBuffer) and returns rows.

- HistorianGrpcReadOrchestrator: token loop now calls
  StorageService.ValidateClientCredential(Handle, InBuff); corrected the op-map
  doc comment (was asserting the wrong ExchangeKey mapping).
- HistorianServerVersionGate: accept History interface version 12 alongside 11.
  Live server reports History=12, Retrieval=4, Storage=4; the buffers are
  byte-identical (a live read returns rows), so 12 is buffer-compatible. Retrieval
  stays pinned at 4 (matches). New AcceptedVersions() supports multi-version gates.
- New HistorianGrpcHandshakeRoutingTests: IL-level structural guardrail that
  disassembles the orchestrator (incl. lambda closures) and asserts the handshake
  invokes ValidateClientCredential and never ExchangeKey — fails if the regression
  returns.
- Updated gate tests + CLAUDE.md gRPC op-map.

240 unit tests pass on the full stack; 210 on this branch's base. The byte
payloads remain the proven 2020 protocol.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC
2026-06-21 12:34:04 -04:00

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bin/
obj/
.vs/
.vscode/
TestResults/
artifacts/
*.user
*.suo
# AVEVA native binaries — referenced by reverse-engineering harnesses for analysis only.
# Per CLAUDE.md: "Never modify, delete, or redistribute". Each developer fetches their own
# copy from the AVEVA installer; do not commit the binaries themselves.
current/
aveva-install-x64/
aveva-install-x86/
# Editor / runtime droppings
.claude/
*.svclog
.idea/
*.swp
Thumbs.db
# Capture droppings outside artifacts/ (safety net)
*.ndjson
*.pcap
*.pcapng
# Test droppings
*.coverage
coverage.cobertura.xml
# Live 2023 R2 server credentials — never commit
wonder-sql-vd03.txt