jpetree331
f97d4845af
Complete RedFlag codebase with two major security audit implementations.
== A-1: Ed25519 Key Rotation Support ==
Server:
- SignCommand sets SignedAt timestamp and KeyID on every signature
- signing_keys database table (migration 020) for multi-key rotation
- InitializePrimaryKey registers active key at startup
- /api/v1/public-keys endpoint for rotation-aware agents
- SigningKeyQueries for key lifecycle management
Agent:
- Key-ID-aware verification via CheckKeyRotation
- FetchAndCacheAllActiveKeys for rotation pre-caching
- Cache metadata with TTL and staleness fallback
- SecurityLogger events for key rotation and command signing
== A-2: Replay Attack Fixes (F-1 through F-7) ==
F-5 CRITICAL - RetryCommand now signs via signAndCreateCommand
F-1 HIGH - v3 format: "{agent_id}:{cmd_id}:{type}:{hash}:{ts}"
F-7 HIGH - Migration 026: expires_at column with partial index
F-6 HIGH - GetPendingCommands/GetStuckCommands filter by expires_at
F-2 HIGH - Agent-side executedIDs dedup map with cleanup
F-4 HIGH - commandMaxAge reduced from 24h to 4h
F-3 CRITICAL - Old-format commands rejected after 48h via CreatedAt
Verification fixes: migration idempotency (ETHOS #4), log format
compliance (ETHOS #1), stale comments updated.
All 24 tests passing. Docker --no-cache build verified.
See docs/ for full audit reports and deviation log (DEV-001 to DEV-019).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
45 lines
1.0 KiB
Go
45 lines
1.0 KiB
Go
package common
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import (
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"crypto/sha256"
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"encoding/hex"
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"os"
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"time"
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)
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type AgentFile struct {
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Path string `json:"path"`
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Size int64 `json:"size"`
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ModifiedTime time.Time `json:"modified_time"`
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Version string `json:"version,omitempty"`
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Checksum string `json:"checksum"`
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Required bool `json:"required"`
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Migrate bool `json:"migrate"`
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Description string `json:"description"`
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}
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// CalculateChecksum computes SHA256 checksum of a file
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func CalculateChecksum(filePath string) (string, error) {
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data, err := os.ReadFile(filePath)
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if err != nil {
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return "", err
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}
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hash := sha256.Sum256(data)
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return hex.EncodeToString(hash[:]), nil
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}
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// IsRequiredFile determines if a file is required for agent operation
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func IsRequiredFile(path string) bool {
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requiredFiles := []string{
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"/etc/redflag/config.json",
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"/usr/local/bin/redflag-agent",
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"/etc/systemd/system/redflag-agent.service",
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}
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for _, rf := range requiredFiles {
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if path == rf {
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return true
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}
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}
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return false
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}
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