Commit Graph
7 Commits
Author SHA1 Message Date
samiandClaude Sonnet 5 6787784936 daemon: store/ query layer — tasks + settings (prep for the download.add vertical slice)
The read/write surface the dispatcher handlers need, so download.add
persists and download.list / download.get project real rows when the
engine lands.

- store/tasks — TaskRow (1:1 with the schema), insert / get / remove /
  set_state / count, and list(filter, sort, offset, limit) that does
  all the WHERE / ORDER BY / LIMIT in SQL (M1 DoD: a 1000-row list
  never materialised client-side). Filter covers states / category /
  queue / case-insensitive filename+url substring / date range; sort
  is a whitelisted column + direction with NULLs last, default
  newest-first; the enum spellings in a state IN (...) come from
  proto::to_string, never from user text. to_summary() projects a row
  onto proto::TaskSummary including the flattened error block when the
  task failed / retry_wait / auto-paused.
- store/settings — key -> JSON-text with a built-in default table
  mirroring Settings.schema.json / ADR 0012; get_raw / set_raw /
  overrides plus typed get_int / get_string / get_string_array for the
  governor config and saveTo.allowedRoots. Full settings.get/set wire
  projection lands with those handlers.
- veloxd_store now links velox::proto + nlohmann_json for the
  projection.

Test veloxd.store_tasks: insert/get round trip, PK duplicate rejected,
the error-block projection, list total+paging+sort+every filter,
set_state pause_reason clear-on-unpause, remove, and settings default
vs override. ASan+UBSan and TSan clean; 34 daemon/cli tests green.

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Upd9WhG9oppieig5nRDLig
2026-09-10 19:43:13 +04:00
samiandClaude Sonnet 5 ab479e7885 daemon: fs/safepath — the saveDir/filename path-traversal boundary (security)
veloxd is the one process that turns an untrusted string into a
filesystem destination, and via capture.offer that string can come
from a web page. CLAUDE.md §4 and the M1 DoD both name this.

daemon/docs/safepath-adversarial.md is the spec, written before the
code the way EXT did for shouldCapture: 21 rows — .. traversal
(A1/A2), absolute-outside-roots (A3), prefix-match confusion (A4),
symlink-out (A7), TOCTOU on a created tail (A8), NUL/control bytes in
the leaf that CORE's fuzzer hit through Content-Disposition (A9/A10),
degenerate and overlong leaves (A11/A13), overlong dir component
(A14), symlinked root (A16), destination-is-a-file (A17), and the
legitimate cases that must still pass — non-ASCII (A18), redundant "."
(A19), trailing space/dot trimming (A20).

fs/safepath.cpp:
- sanitize_leaf: strip <0x20 and 0x7F, trim ws, strip trailing dots,
  reject ""/"."/".."/contains-'/', cap 255 UTF-8 bytes on a codepoint
  boundary. Mirrors core/src/net/content_disposition.cpp.
- canonicalize_root: expand ~ and realpath each allowedRoots entry
  once, so a symlinked root resolves to its target.
- resolve_target: reject relative saveDir and any ".." component
  lexically; if the dir exists, realpath + component-wise containment
  (a symlink that escapes is caught, one that stays inside passes); if
  a tail is missing, realpath+check the deepest existing ancestor then
  create the tail via an openat/mkdirat O_NOFOLLOW walk and re-derive
  the final path from the fd. Every failure is -32011 with data.path =
  the *original* saveDir (never the resolved path). Residual TOCTOU on
  a pre-existing intermediate dir is documented and closed by CORE's
  O_NOFOLLOW open of the file.

veloxd_fs static lib; veloxd_rpc links it for the download.add wiring
next. Test veloxd.safepath is the adversarial table, on a real temp
tree. ASan+UBSan and TSan clean; 33 daemon/cli tests green.

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Upd9WhG9oppieig5nRDLig
2026-09-10 19:37:01 +04:00
samiandClaude Sonnet 5 b010139421 daemon: sched/ — the concurrency governor + schedule-window evaluation (build step 4)
The scheduling brain, built against CORE's headers (vdm/engine.hpp,
vdm/segment/budget.hpp) — signatures only; the Engine bodies land in
CORE stage 8 and the Scheduler that wires governor <-> store <-> engine
<-> timer comes after that (daemon/docs/deferrals.md D4).

- sched/governor — a pure decision function. In: a snapshot of every
  task's coarse RunState and every queue's state (schedule windows
  pre-resolved). Out: {to_start, to_resume, to_pause, pause_reasons,
  priority_order}. Enforces, all in TASK units per ADR 0011 §1:
  connection.maxConcurrentDownloads; the min(that, maxActiveSegments)
  clamp (§2); Queue.maxConcurrent; the per-host task cap (§4); and a
  stopped queue / closed window runs nothing. Never touches a task
  paused for `user` or CORE's `auto` (ADR 0013 §3) — only Schedule /
  QueueStopped / AdmissionReconcile are auto-resumable. Deterministic:
  main-list before queued-in-queue, then queue order, then FIFO, then
  task_id.
- sched/schedule_window — window_open(Schedule, local tm): disabled =>
  always open; `once` => date + time match; `periodic` => weekday in
  daysOfWeek (empty = every day) + time in [start, stop); null start =>
  midnight, null stop => end of day, stop < start => overnight window.
  Pure; re-evaluated every tick, no cached instants.
- veloxd_sched static lib; veloxd links it (nothing calls it yet).

Tests (ASan+UBSan and TSan clean): veloxd.sched_window (10 window
cases incl. overnight, once, null bounds), veloxd.sched_governor
(global/clamp/per-queue/per-host caps, stop vs window pause reasons,
resume-only-governor-reasons, auth-pause untouched, admission
reconcile, determinism under shuffled input). 32 daemon/cli tests
green; full tree green.

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Upd9WhG9oppieig5nRDLig
2026-09-10 19:06:19 +04:00
samiandClaude Sonnet 5 dab071c41a daemon: rpc/ws_server — loopback WebSocket transport + pairing (build step 1, second half)
The extension's fallback transport (docs/05 §4). veloxd now also listens
on 127.0.0.1, first free port in 52000-52016, and writes it to
<runtime>/ws.port (0600).

- rpc/ws_frame — RFC 6455 frame codec. Incremental; reassembles
  continuation frames; enforces "client frames MUST be masked" (§5.1);
  caps a reassembled message at 8 MiB. This is the attacker-adjacent
  parser, so it has its own test table.
- rpc/ws_handshake — HTTP upgrade parse, Sec-WebSocket-Accept
  (SHA-1 + base64 via libcrypto), and the two non-negotiable checks:
  an Origin header must be present and must be moz-extension:// (a page
  cannot pair). Version must be 13.
- rpc/ws_server — per-connection Handshake -> Open state machine on the
  shared EventLoop. Token gate: session.pair mints a token behind the
  approver + rate limiter; session.hello must present a valid one;
  every other method is -32002 until authed. Privileged methods are
  refused -32003 by the generated dispatch(). Ping -> Pong; Close
  echoed. session.hello major-version mismatch -> -32001.
- rpc/pairing — PairingApprover interface + EnvAutoApprover dev stub
  (approves iff VELOX_PAIR_AUTO=1); PairingRateLimiter (5 failures / 60 s
  per origin, then 60 s lockout -> -32014, survives reconnect); a
  four-digit code generator.
- store/pairings — the pairings table: create() returns the plaintext
  token once and stores only its SHA-256; find_active_by_token,
  touch, revoke, list_active.
- util/crypto — sha1 / sha256_hex / base64 / random_token over libcrypto.
- store/sqlite — pin the DB file (and -wal/-shm) to 0600.
- runtime_dir — resolve_data_dir() for $XDG_DATA_HOME/velox (velox.db).
- main.cpp — opens + migrates velox.db, starts both transports; a WS
  bind failure is logged, not fatal (capture must fail open, the Unix
  socket still serves the GUI/CLI).

Real gap, flagged not hidden: the pairing prompt is EnvAutoApprover for
now — a GUI dialog / desktop notification is build step 7. Pairing
needs VELOX_PAIR_AUTO=1 until then.

Tests (ASan+UBSan and TSan clean): veloxd.ws_frame (codec + handshake
vectors incl. the RFC 6455 §1.3 accept sample), veloxd.pairings (token
create/find/revoke, hash-not-token, rate-limit window + lockout +
per-origin isolation + success reset), veloxd.ws_server (full flow: 101
handshake, -32002 gate, deny-then-approve pairing, hello-with-token,
-32003 privileged refusal, real download.list). 27 daemon/cli tests
green; full tree green.

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Upd9WhG9oppieig5nRDLig
2026-09-10 15:44:28 +04:00
samiandClaude Sonnet 5 e585113daf daemon: adopt HandlerResult<T> — real error codes from handlers (contracts/ 1.4.0)
Rebased onto main at 1.4.0. The regenerated Dispatcher returns
HandlerResult<T> = expected<T, HandlerError{code, message, data}>
(ADR 0014); the covariant-return break on all 39 overrides is the swap
predicted in daemon/docs/proto-requests-m1.md P1.

- dispatcher.hpp/.cpp: Result<T> -> HandlerResult<T> on every override;
  not_implemented() now returns HandlerError{InternalError, ...} rather
  than a ParseError forwarded as -32603.
- download.get: returns -32010 TaskNotFound with data.taskId. Not a
  placeholder — with no store, every id is genuinely not-found, which
  is the real answer for contracts/ fixture download.get.not-found. It
  becomes a store lookup when store/ is wired in.
- uds_roundtrip: the -32603-collapse guard is now a -32010 + data.taskId
  assertion, the regression guard the P1 note promised.

download.add (-32011) and download.probe (-32013) stay InternalError
until they have real bodies (canonicalization / probe); they get their
fixture codes when that logic lands.

All 24 tests green; uds_roundtrip TSan-clean.

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Upd9WhG9oppieig5nRDLig
2026-09-10 15:31:00 +04:00
samiandClaude Sonnet 5 4b279e8271 daemon: store/ — SQLite WAL schema + forward-only migrator (build step 3)
The daemon's persistent state. SQLite in WAL mode, foreign keys on,
5 s busy timeout so a writer waits rather than SQLITE_BUSY under the
RPC loop.

- store/sqlite — RAII Db/Stmt over the C API; errors returned as
  DbResult<T> (std::expected), never thrown — the RPC loop must not
  unwind. transaction() helper: BEGIN / fn / COMMIT, ROLLBACK on error.
- store/migrations/0001_initial.sql — the eight tables from the brief:
  settings, categories, queues, tasks, segments, rules, history,
  pairings. Notable choices:
    * tasks columns project onto proto TaskSummary with no computation;
      requested vs effective segments/buffer split per ADR 0010/0012;
      pause_reason column per ADR 0013.
    * segments end_byte is NOT constrained >= 0 so a whole-file
      zero-length download is one row with end_byte = -1 (ADR 0010 B3a).
    * pairings stores only token_sha256 — the plaintext token is
      returned once from session.pair and never persisted (CLAUDE.md §4).
    * indices on tasks(state), (category_id), (queue_id, queue_position),
      (created_at), (completed_at) for the "1000 tasks, download.list
      under 50 ms" DoD.
    * six built-in categories + a Main queue seeded.
- store/migrations — runs every embedded migration past PRAGMA
  user_version, each in its own transaction, forward-only. SQL files
  are embedded at build time by cmake/embed_migrations.cmake.

Test veloxd.store_migrations (ASan+UBSan and TSan clean): fresh DB ->
head, all tables present, seed rows, FK cascade (segment orphan
rejected, task delete cascades), the end_byte=-1 zero-length case,
idempotent re-run, and forward-only from every released user_version.

Also: daemon/docs/proto-requests-m1.md — P1 marked landed on lane/proto
as 1.4.0 (HandlerError/HandlerResult), to be adopted in rpc/ once that
merges to main; P2 resolved.

Not linked into the running daemon yet — the store is wired to the
dispatcher when download.add/list/get get real bodies, next.

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Upd9WhG9oppieig5nRDLig
2026-09-10 15:27:20 +04:00
samiandClaude Sonnet 5 e60d6669d8 daemon: rpc/ — Unix-socket transport + generated dispatch wiring (build step 1)
First real code in daemon/. veloxd now listens on
$XDG_RUNTIME_DIR/velox/velox.sock (0600, SO_PEERCRED same-UID check),
frames NDJSON, and routes every method through the generated
velox::proto::dispatch(). The CLI and GUI have a server to talk to.

Modules:
- rpc/ndjson.hpp    — newline-delimited framing, 8 MiB frame cap, CRLF-
                       tolerant, partial-tail buffering. Header-only, tested.
- rpc/event_loop    — single-threaded poll(2) reactor; never blocks the
                       loop. stop()/wake() are async-signal-safe (eventfd).
- rpc/runtime_dir   — $XDG_RUNTIME_DIR/velox resolution, 0700, owner-checked;
                       refuses an insecure fallback rather than using /tmp.
- rpc/uds_server    — listener + non-blocking per-conn read/write with
                       backpressure; handles session.hello (protocol-major
                       check -> -32001, sessionId, transport=uds) and
                       session.subscribe in the server layer; routes the
                       rest through dispatch().
- rpc/dispatcher    — VeloxDispatcher : proto::Dispatcher, all 39 methods.
                       download.list answers an empty table; the rest return
                       "not implemented" (-> -32603) until the store lands.
- main.cpp          — abstract-namespace single-instance lock, signal ->
                       clean shutdown, socket unlinked on exit.

Tests (ASan+UBSan and TSan clean):
- veloxd.ndjson         — framing edge cases
- veloxd.uds_roundtrip  — real socket: hello ok / version mismatch / empty
                          list / -32601 / -32700 / pipelined requests, and a
                          guard on the -32603 collapse documented in P1.

Known gap, filed not worked around: daemon/docs/proto-requests-m1.md P1 —
the generated Dispatcher has no error channel below -32603, so handlers
cannot yet return -32010/-32011/-32013 with their data payloads. The
server layer handles -32001/-32002/-32003 around dispatch(); genuine
in-handler errors collapse to -32603 until PROTO gives handlers a real
error return. Three error fixtures are non-conformant until then.

Not in this drop: rpc/ws_server (next; needs the store for hashed pairing
tokens), store/, sched/, cli/. WS reuses this event loop.

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Upd9WhG9oppieig5nRDLig
2026-09-10 15:27:20 +04:00