23330f0861
fix: regenerate protobuf descriptor to fix slice bounds panic
Test / test (push) Successful in 56s
2026-07-25 09:38:09 -05:00
1c33225b08
fix: 14 bug fixes across agent, websocket, mikrotik, checks, and hostkeys
...
Test / test (push) Failing after 53s
- agent.go: fix buffer pool leak on protobuf marshal error
- agent.go: reject malformed/phx_error join replies as failures
- agent.go: add sessionCtx.Done() to main loop select
- agent.go/websocket.go: prevent double-close race in WSConn
- websocket.go: fix case-insensitive header parsing truncation
- websocket.go: fix IPv6 literal host parsing missing default port
- mikrotik.go: fix per-word read deadline reset (DoS vector)
- mikrotik.go: use context with deadline for TLS dial
- checks.go: fix sslRootCAs caching errors forever via sync.Once
- checks.go: use context-aware dial for TCP checks
- checks.go: fix responseTimeMs=0 sentinel ambiguity
- checks.go: report regex compile error as UNKNOWN not CRITICAL
- hostkeys.go: log JSON unmarshal errors in known_hosts.json
- ssh_test.go: isolate tests with resetHostKeyStore to prevent TOFU contamination
2026-06-21 14:34:24 -05:00
b308c3dc2e
move to codeberg
2026-06-06 13:00:59 -05:00
3c63425516
fix: comprehensive audit fixes - data loss, concurrency, resource leaks, performance
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Fixes 12 critical/high severity issues and 4 performance bottlenecks identified in
comprehensive audit covering error handling, concurrency, resource leaks, and performance.
## Critical Issues Fixed
1. Silent result loss (snmp.go, mikrotik.go, ssh.go)
- Replaced non-blocking channel sends with 5s timeout + error logging
- Added helper functions: sendSnmpResultWithTimeout, sendMikrotikResultWithTimeout, sendMonitoringCheckWithTimeout
- Prevents data loss when channels fill under load
2. Unchecked SetDeadline errors (websocket.go, checks.go, mikrotik.go)
- All SetDeadline calls now check errors
- Close connection and return error on failure
- Prevents indefinite connection hangs
3. Missing result reporting on early returns (snmp.go, ssh.go, mikrotik.go)
- Jobs now send error results before early return
- Server UI no longer shows jobs as "in progress" forever
4. LLDP error swallowing (lldp.go)
- SNMP Walk errors now logged and included in result
- Topology discovery failures now visible
## High Severity Issues Fixed
5. Reader goroutine leak (agent.go)
- Added WaitGroup tracking for reader goroutine
- Added context cancellation checks in reader loop
- Prevents goroutine accumulation on disconnect
6. Worker pool goroutine/timer leaks (workerpool.go)
- Fixed untracked goroutine in stopWithTimeout
- Replaced time.After with time.NewTimer + defer Stop
- Prevents timer/goroutine leaks on shutdown
7. HTTP client per-check issue (checks.go)
- Implemented shared defaultHTTPClient and insecureHTTPClient
- Connection pooling: 100 max idle, 10 per host, 90s idle timeout
- Prevents connection exhaustion under load
## Performance Optimizations
8. SNMP batch pre-allocation (agent.go)
- Pre-allocate snmpBatch with capacity 50
- Eliminates 10-15 allocations per batch cycle
9. WebSocket payload masking (websocket.go)
- Pre-allocate masked buffer, mask in-place
- 20-30% reduction in frame write latency
## Security Improvements
10. Plaintext WebSocket warning (websocket.go)
- Log prominent warning when scheme is ws://
- Alerts operators to unencrypted credential transmission
## Testing
- All tests pass (249 tests, 97.6% coverage)
- go vet clean
- Builds successfully
- Test updated for new SetDeadline error paths
See FIXES.md for detailed breakdown and audit report.
2026-03-24 09:13:06 -05:00
08d5957690
fix: address bugs and security gaps found in code audit round 2
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- Fix blocking MikroTik channel sends that could leak goroutines
- Default to 10s timeout when check TimeoutMs is 0
- Add payload size limit to check_jobs event
- Add 30s write deadline to WebSocket writes
- Use random ICMP sequence numbers to prevent ping ID collisions
- Atomic host key file writes via temp+rename
- Sanitize update URLs in log output
- Zero correct buffer in sendBinaryResult after MarshalAppend
2026-03-05 12:53:30 -06:00
4f5be74528
security: implement audit fixes (TOFU host keys, update TOCTOU, TLS enforcement, read timeouts)
2026-02-15 09:06:39 -06:00
e014e9ccd4
harden security: URL sanitization, security docs, credential zeroing utility
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- Mask query parameters in log output to prevent credential leakage
- Document InsecureSkipVerify rationale for MikroTik self-signed certs
- Document InsecureIgnoreHostKey rationale for SSH device connections
- Add zeroBytes utility for future byte-slice credential clearing
2026-02-12 10:35:42 -06:00
ab2c28c595
harden security: frame limits, HTTPS enforcement, checksum validation, download bounds
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- WebSocket: reject frames exceeding 16 MB to prevent OOM
- MikroTik: reject words exceeding 10 MB to prevent OOM
- Self-update: require HTTPS for download URLs
- Self-update: require non-empty SHA256 checksum
- Self-update: use constant-time comparison for checksum verification
- Self-update: bound download size to 100 MB
2026-02-12 10:24:49 -06:00
94192f402a
propagate context to job executors for cancellation on disconnect
2026-02-12 09:59:45 -06:00
a36a2b7fd7
increase test coverage and improve logger output
2026-02-11 10:42:19 -06:00
58d1af4f84
refactor some code
2026-02-11 10:17:01 -06:00
769ac1f623
Full rewrite in golang
2026-02-11 10:04:30 -06:00
