 dimgigov
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42043f3946
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v1.1.7: deep security & reliability audit — 33 bugs fixed
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Critical (5):
- Reject empty JWT secret when authEnabled (server.nim)
- Fix 2PC marking uncontacted participants as prepared/committed (disttxn.nim)
- Fix Raft commit index calculation for even-sized clusters (raft.nim)
- Fix REP/DISTTXN protocol auth bypass (server.nim)
- Fix HTTP backup/restore path traversal (httpserver.nim)
High (11):
- Fix WAL write race with flush (lsm.nim)
- Fix MVCC savepoint/rollback deep-copy writeSet (mvcc.nim)
- Fix table mutation during deadlock iteration (mvcc.nim)
- Fix LIMIT 0 returning all rows (executor.nim)
- Fix COUNT(col) counting NULL values — 3 locations (executor.nim)
- Fix EXISTS subquery lowering missing subqueryPlan (executor.nim)
- Fix Raft appendEntries/applyCommitted array vs logical index (raft.nim)
- Fix timing attacks on constantTimeCompare and SCRAM (auth.nim, scram.nim)
- Fix B-tree leaf merge phantom separator key (btree.nim)
- Fix SSL verifyPeer not applied to newContext (ssl.nim)
- Fix sharding connectWithTimeout missing SO_ERROR check (sharding.nim)
- Fix sync replication returning success on partial ack (replication.nim)
- Fix WebSocket JWT expiration not validated (websocket.nim)
Medium (13):
- Fix writeSSTable partial file → tmp + atomic rename (lsm.nim)
- Fix multi-CTE table loss (executor.nim)
- Fix nl_to_sql DML restricted to superuser (executor.nim)
- Fix unbounded plan cache — max 10000 (adaptive.nim)
- Fix migration lock crash persistence — timestamp + stale detection (executor.nim)
- Fix admin panel auth (httpserver.nim)
- Fix MVCC unbounded txn tracking — prune in compactVersions (mvcc.nim)
- Fix connection pool maxLifetime check (pool.nim)
- Fix JWT JSON parser backslash escapes (auth.nim)
- Fix substr(s, start) returning single char (udf.nim)
- Fix loadSSTable minimum file-size check (lsm.nim)
- Fix compaction mmap leak (compaction.nim)
- Fix JSON injection in hybrid_search_filtered (executor.nim)
Low (4):
- Raft loadState logs error instead of silent discard
- Replication healthCheck double-close fixed
- Lexer readIdent double column counting fixed
- WebSocket frame 32-bit overflow guard
All 448 tests passing, 0 failures. Bump version to 1.1.7.
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2026-05-29 14:17:41 +03:00 |
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dimgigov
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967c0855a5
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Bug fixes: composite PK, nl_to_sql sandbox, FK check, SQL injection, storage correctness
Critical fixes:
- Composite PK: execInsert + validateConstraints use all PK columns
- nl_to_sql: non-SELECT SQL no longer executed directly during validation
- FK check: removed O(N) scanMemTable fallback, uses db.get() with SSTables
- exprToSql: nkIdent wrapped in quotes to prevent SQL injection
- restoreSchema: try/except around tokenize/parse for crash resilience
- recovery.nim: lastTxnId tracking + putUnsafe/deleteUnsafe without WAL
- SCRAM: verifyClientProof length check + DefaultIterationCount restored
Storage fixes:
- lsm.nim: SSTable sort order fixed (ascending), close() flushes all memtables
- compaction.nim: tombstones preserved during compaction
- wal.nim: header written for empty existing files, readEntries checks magic
- btree.nim: B+ tree leaf split keeps boundary key
- bloom.nim: deserialize raises on short data
- mmap.nim: bounds checks for adviseWillNeed/DontNeed + posix.close()
Protocol fixes:
- zerocopy.nim: readString bounds check
- wire.nim: deserializeValue 32-bit underflow check
- auth.nim: JWT JSON escaping for claims
- server.nim: readUint32BE bounds check + specific exception handling
- raft.nim: readData checks + specific exception handling
Tests:
- Added Composite Primary Key test suite (4 tests)
Build: 0 warnings, 0 errors
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2026-05-18 11:33:11 +03:00 |
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dimgigov
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ac55237b72
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feat: real SCRAM-SHA-256 authentication (Option C)
Security:
- New scram.nim module with full SCRAM-SHA-256 per RFC 7677
* PBKDF2-HMAC-SHA-256 key derivation
* HMAC-SHA-256 with multiple overloads for bytes/strings
* Secure nonce/salt generation via /dev/urandom
* Client/server message parsing and proof verification
AuthManager updates:
- registerScramUser(): stores salted credentials (salt + iterations + storedKey + serverKey)
- startScram(): initiates challenge-response handshake
- finishScram(): verifies client proof and returns server signature
- Legacy amSCRAMSHA256 path kept for backward compatibility
HTTP endpoints:
- POST /auth/scram/start — accepts client-first-message, returns server-first
- POST /auth/scram/finish — accepts client-final-message, returns server-final
Tests:
- SCRAM-SHA-256 full handshake test (register → start → compute proof → finish)
- SCRAM-SHA-256 invalid proof rejection test
Build: 0 warnings, all tests pass
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2026-05-13 09:50:07 +03:00 |
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