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toto
14323f7b05 perf(clickhouse): P10 — créer les 4 vues métier manquantes + corriger préfixes DB 
Bug de production : view_form_bruteforce_detected, view_host_ip_ja4_rotation,
view_dashboard_entities, view_dashboard_user_agents étaient référencées dans
13 endpoints du dashboard mais n'existaient nulle part dans le schéma.
Tous ces endpoints retournaient HTTP 500 en production.

shared/clickhouse/11_views.sql (nouveau) :

  view_form_bruteforce_detected
    Source : agg_host_ip_ja4_1h (24h)
    Logique : GROUP BY (src_ip, host) HAVING count_post >= 10
    Usage   : bruteforce.py (3 endpoints), investigation_summary.py

  view_host_ip_ja4_rotation
    Source : agg_host_ip_ja4_1h (24h)
    Logique : uniqExact(ja4) par src_ip, HAVING >= 2 (rotation de fingerprint)
    Usage   : rotation.py (3 endpoints), investigation_summary.py

  view_dashboard_entities
    Source : http_logs (7 jours), UNION ALL 5 branches (ip/ja4/country/asn/host)
    Colonnes : entity_type, entity_value, src_ip, ja4, host, log_date,
               client_headers Array(String), asns Array, countries Array,
               user_agents Array
    Usage   : entities.py (5 endpoints), clustering.py

  view_dashboard_user_agents
    Source : http_logs (7 jours), GROUP BY (src_ip, ja4, hour)
    Colonnes : src_ip, ja4, hour, log_date, user_agents Array(String), requests
    Usage   : variability.py (4 endpoints), fingerprints.py (5 endpoints)
              attributes.py (2 endpoints)

deploy_schema.sh : ajout de 10_perf_indexes.sql et 11_views.sql dans la liste

routes/variability.py + fingerprints.py :
  Correction de 9 requêtes utilisant view_dashboard_user_agents sans préfixe
  de base de données → remplacé par {settings.CLICKHOUSE_DB_PROCESSING}.view_*

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-07 22:30:09 +02:00
toto
f4ffe3410a perf(clickhouse): P1 — partition + skipping indexes sur ml_detected_anomalies, http_logs, agg_host_ip_ja4_1h 
Problème : toutes les requêtes du dashboard WHERE detected_at >= now() - INTERVAL N
faisaient un full scan car ml_detected_anomalies avait ORDER BY (src_ip) sans
partition ni index temporel.

Changements :
- 06_ml_tables.sql :
  * ml_detected_anomalies : PARTITION BY toYYYYMMDD(detected_at)
    → élagage de partitions journalières sur toutes les requêtes temporelles
  * INDEX idx_detected_at (minmax) → skip des granules hors plage
  * INDEX idx_threat_level set(8) → skip pour countIf(threat_level = ...)
  * INDEX idx_bot_name bloom_filter → skip pour bot_name != ''
  * ttl_only_drop_parts = 1 → TTL par suppression de partition entière
  * ml_all_scores : même traitement (PARTITION BY + 2 indexes)

- 04_mv_http_logs.sql :
  * http_logs : INDEX idx_src_ip bloom_filter(0.01)
    → les requêtes WHERE src_ip = X (analysis.py, variability.py) sautent
    ~90% des granules sans scanner toute la plage temporelle
  * INDEX idx_ja4 bloom_filter(0.01) → idem pour filtres JA4

- 05_aggregation_tables.sql :
  * agg_host_ip_ja4_1h : PROJECTION proj_by_ip ORDER BY (src_ip, window_start, ...)
    → investigation_summary.py et rotation.py (WHERE src_ip = X) utilisent
    automatiquement la projection au lieu de scanner tous les window_start

- 10_perf_indexes.sql (nouveau) :
  * Migration ALTER TABLE pour instances existantes
  * ADD INDEX + MATERIALIZE INDEX pour les 4 tables
  * ADD PROJECTION + MATERIALIZE PROJECTION pour agg_host_ip_ja4_1h
  * Note : PARTITION BY sur table existante nécessite recréation (documenté)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-07 22:28:04 +02:00
toto
69940bf18b docs: update copilot-instructions with integration tests, gotchas, comment standard 
- Add make test-integration* commands
- Add SKIP_TESTS=true fast build flag
- Add 'Comments standard' section referencing docs/commenting-standard.md
- Add 'Known gotchas' section with 6 non-obvious issues:
  * go.work build context must include both sentinel + correlator
  * YAML does not expand env vars in Go (hardcode DSN)
  * REGEXP_TREE dict requires >=1 rule or inserts fail
  * pcap only captures non-loopback traffic
  * ClickHouse init needs 120s timeout
  * RPM builds must use Rocky Linux (libpcap.so.1 vs .so.0.8)
  * FLAT() layout requires numeric keys (use COMPLEX_KEY_HASHED for strings)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-07 21:42:54 +02:00
toto
3b8c06b86d docs: add Doxygen comments to mod_reqin_log.c 
- File header: French multi-line description block
- 7 section banners in French (/* ====== Section ====== */ format):
  Configuration du serveur, Buffer dynamique, Sérialisation JSON,
  Gestionnaires de directives, Socket Unix, Journalisation, Hooks Apache
- 26 @brief/@param/@return blocks on every function:
  server config, dynbuf_*, JSON helpers, cmd_set_* handlers,
  socket helpers (try_connect/ensure_connected/write_to_socket),
  log_request, Apache hooks (post_read_request, child_init, etc.)
- No logic changes (1033 → 1268 lines, comments only)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-07 21:35:19 +02:00
toto
3dfeba860b docs: add standardized comments to all services (Python, Go, Bash) 
- Add docs/commenting-standard.md defining per-language comment standards
  (Go godoc, Python PEP-257, C Doxygen, Bash header blocks, SQL banners)

- services/dashboard: 100% docstring coverage (100/100 functions)
  - All FastAPI route handlers, helpers, classes, and models documented
  - Language: French (project convention)

- services/bot-detector: 100% docstring coverage (53/53 symbols)
  - bot_detector.py: 14 functions + module docstring
  - anubis/fetch_rules.py: 9 functions

- shared/python/ja4_common: full docstrings on ClickHouseClient (7 methods)
  and ClickHouseSettings class

- services/correlator: 24 godoc comments added across 6 Go files
  - correlation_service.go: 10 private helpers
  - unixsocket/source.go: 6 parsing/socket helpers
  - correlated_log.go: 4 field extraction helpers
  - orchestrator.go, logger.go, main.go: 4 comments

- services/correlator/scripts/audit-architecture.sh: standardized header block

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-07 21:32:29 +02:00
toto
12d60975da feat: Python traffic generator with realistic varied HTTP/HTTPS traffic 
- Replace curlimages/curl with Python stdlib traffic generator
- 200 requests, 10 workers, 16 scenario types:
  browsers (Chrome/Firefox/Safari/Edge/mobile), bots (Googlebot/Bing/curl/wget),
  GET/POST/HEAD/PUT/PATCH/DELETE/OPTIONS, HTTP + HTTPS
- Multiple SSL contexts (default, TLS1.2-only, TLS1.3-only, few_ciphers)
  → 4 distinct JA4/JA3 fingerprints per test run
- Realistic headers: Accept, Accept-Language, Sec-Fetch-*, Referer,
  X-Forwarded-For, Cookie, Cache-Control
- JSON payloads, form data, CORS preflights
- DB always reset (down -v) at start of each test run
- Enhanced Phase 5 checks: distinct UAs, method variety, JA4/JA3 counts + uniqueness

Results: 199/200 OK, 24 distinct UAs, 7 HTTP methods, TLS 1.2+1.3, 4 JA4 fingerprints

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-07 21:14:55 +02:00
toto
da8357f43d fix: TLS capture end-to-end in integration tests 
- Add traffic-gen container (curlimages/curl) to send HTTPS traffic
  across Docker network so sentinel (pcap on eth0) captures ClientHello
- Seed anubis_ua_rules with catch-all rule (REGEXP_TREE needs ≥1 entry)
  so MV mv_http_logs processes raw logs without errors
- Add JA4/JA3 fingerprint verification in Phase 5 tests
- Dashboard healthcheck via python urllib (no curl in image)

Results: 59 raw logs, 59 parsed, 53 with JA4+JA3 fingerprints (TLS 1.3)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-07 21:04:14 +02:00
toto
a985661369 fix: build correlator RPM on Rocky Linux instead of Debian 
Replace golang:1.24 (Debian) builder with rockylinux:9 + dnf golang.
All three RPM packages (sentinel, correlator, mod-reqin-log) now build
entirely on Rocky Linux Docker images, ensuring native ABI compatibility.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-07 20:52:27 +02:00
toto
d4e7e674d8 feat: full-stack Docker Compose integration tests 
- 4-container stack: ClickHouse, platform (Rocky 9), bot-detector, dashboard
- Platform builds sentinel on Rocky (CGO+libpcap native), correlator static
- mod-reqin-log compiled with apxs on Rocky (matching RPM build target)
- ClickHouse init script patches credentials for test env (sed-based)
- 8-phase test runner: schema, traffic gen, pipeline, dashboard API, bot-detector, sentinel
- All 13 checks pass, 3 non-blocking warnings (empty dicts, log paths)

SQL schema fixes discovered during integration:
- 02_dictionaries: IPv6CIDR → String (not a valid ClickHouse type)
- 03_anubis_tables: dict_anubis_ua missing has_ip/rule_id/category attrs
- 03_anubis_tables: dict_anubis_country FLAT() → COMPLEX_KEY_HASHED() (String key)
- 09_audit_table: CODEC before DEFAULT → DEFAULT before CODEC

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-07 20:33:25 +02:00
toto
7b8dff2925 docs: guide de déploiement complet (DB, users, services, vérification) 
Couvre les 7 étapes de mise en place :
1. Installation ClickHouse
2. Déploiement du schéma (deploy_schema.sh + migrations)
3. Configuration des utilisateurs (data_writer, analyst, bot_writer)
4. Fichiers CSV externes pour les dictionnaires
5. Installation des services Go via RPM (sentinel, correlator, mod-reqin-log)
6. Installation des services Python via Docker (bot-detector, dashboard)
7. Vérification bout-en-bout (ingestion, agrégation, ML, dashboard)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-07 19:28:58 +02:00
toto
d8dbd4e706 docs: add .github/copilot-instructions.md for Copilot context 
Covers: build/test/lint commands, architecture overview, ClickHouse
dual-DB pattern, inter-service communication, key conventions for
Go (hexagonal, YAML config), Python (pydantic-settings, FastAPI routes),
C (Apache module), Docker-first builds, and RPM packaging.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-07 19:21:32 +02:00
toto
9f3e0621e5 feat: split ClickHouse into dual configurable databases (ja4_logs / ja4_processing) 
Architecture:
- ja4_logs: raw log ingestion (http_logs_raw, http_logs, mv_http_logs)
- ja4_processing: analytics, aggregation, ML, dictionaries, audit

Configuration (env vars):
- CLICKHOUSE_DB_LOGS (default: ja4_logs)
- CLICKHOUSE_DB_PROCESSING (default: ja4_processing)

Changes:
- SQL migrations (10 files): all mabase_prod refs → ja4_logs or ja4_processing
  with correct cross-database references (MVs, views, dicts)
- deploy_schema.sh: substitutes DB names from env vars at deploy time
- Python shared settings: added CLICKHOUSE_DB_LOGS + CLICKHOUSE_DB_PROCESSING
- Dashboard routes (19 files): replaced ~80 hardcoded mabase_prod refs
  with settings.CLICKHOUSE_DB_LOGS / settings.CLICKHOUSE_DB_PROCESSING
- Bot-detector: DB → CLICKHOUSE_DB_PROCESSING, fetch_rules.py configurable
- Correlator: DSN example updated to ja4_logs
- Docker-compose + .env files: new env vars with defaults
- All documentation updated (14 markdown files)

All tests pass: sentinel 10/10, correlator 67.1%, bot-detector 11, dashboard 20, ja4_common 18

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-07 19:10:35 +02:00
toto
b6391afbeb refactor: replace hardcoded mabase_prod DB prefix with configurable settings 
Replace all hardcoded 'mabase_prod.' table prefixes in dashboard route
SQL queries with configurable database names from settings:

- http_logs, http_logs_raw → settings.CLICKHOUSE_DB_LOGS
- All other tables → settings.CLICKHOUSE_DB_PROCESSING

Also qualify previously unqualified table references (bare FROM/JOIN
table_name) with the appropriate database prefix for consistency.

Each route file now imports 'from ..config import settings' and uses
f-strings with {settings.CLICKHOUSE_DB_PROCESSING} or
{settings.CLICKHOUSE_DB_LOGS} for database-qualified table names.

Files updated: analysis, attributes, audit, botnets, bruteforce,
clustering, detections, entities, fingerprints, header_fingerprint,
heatmap, incidents, investigation_summary, metrics, ml_features,
rotation, search, tcp_spoofing, variability (19 files).

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-07 19:03:05 +02:00
toto
dba2676fa7 fix: correct singleton test for ja4_common ClickHouseClient 
get_client() returns a lazy ClickHouseClient wrapper — clickhouse_connect.get_client
is only called on .connect(), not at construction time. Remove incorrect assertion
that expected call_count==1 at module-level get_client() call.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-07 16:45:14 +02:00
toto
d469e39da7 feat: ja4-platform monorepo — 5 services unified, tests & RPM builds standardized 
Services:
- ja4sentinel: TLS/JA4 fingerprint capture daemon (Go, libpcap)
- logcorrelator: JA4 log correlation engine (Go, ClickHouse)
- mod_reqin_log: Apache module (C, JSON request logging)
- bot_detector: ML bot detection pipeline (Python)
- dashboard: FastAPI/Streamlit analytics UI (Python)

Shared libraries:
- shared/go/ja4common: logger, config, shutdown, ipfilter (Go module)
- shared/python/ja4_common: ClickHouseClient, ClickHouseSettings (Python package)
- shared/clickhouse/: canonical SQL migrations (10 files)

Build & packaging:
- Unified 3-stage Dockerfile.package for Go RPMs (el8/el9/el10)
- go.work workspace linking sentinel, correlator, ja4common
- Makefile with test-all, build-all, rpm-* targets

Fixes applied:
- go.work: 1.21 → 1.24.6 (required by sentinel)
- correlator Dockerfiles: golang:1.21 → golang:1.24
- replace directives in go.mod for ja4common local path
- pyproject.toml: setuptools.backends → setuptools.build_meta
- Removed static libpcap linking (unavailable on Rocky 9)
- Fixed data races in output/writers_test.go (sync.Mutex + atomic.Int32)
- Rewrote corrupted test files (logger_test.go × 2)

Test coverage:
- correlator: 67.1% total (unixsocket 80.5%, config 91.7%, app 83.3%, multi 87.7%, stdout 100%)
- sentinel: all 10 packages pass (api, capture, config, fingerprint, ipfilter, logging, output, tlsparse)

Documentation:
- README.md + docs/ (architecture, development, 5 services, shared libs, DB schema & migrations)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
 2026-04-07 16:42:59 +02:00