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>
87 lines
3.0 KiB
Go
87 lines
3.0 KiB
Go
package version
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import (
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"fmt"
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"time"
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)
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// Version coordination for Server Authority model
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// The server is the single source of truth for all version information
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//
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// Version Sources:
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// - Agent versions: Compiled into agent via ldflags during build (see agent/internal/version)
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// - Server versions: Compiled into server via ldflags during build (injected below)
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// - Database: agents table stores agent_version at registration
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// Build-time injected version information (SERVER AUTHORITY)
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// Injected by build script during server compilation
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var (
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AgentVersion = "dev" // Server's agent version (format: 0.1.27)
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ConfigVersion = "dev" // Config schema version (format: 3)
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MinAgentVersion = "dev" // Minimum supported agent version
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)
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// CurrentVersions holds the authoritative version information for API responses
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type CurrentVersions struct {
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AgentVersion string `json:"agent_version"` // e.g., "0.1.27"
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ConfigVersion string `json:"config_version"` // e.g., "3"
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MinAgentVersion string `json:"min_agent_version"` // e.g., "0.1.22"
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BuildTime time.Time `json:"build_time"`
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}
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// GetCurrentVersions returns the current version information
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// Version is compiled into the server binary at build time via ldflags
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func GetCurrentVersions() CurrentVersions {
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// Build-time injection allows version updates without code changes
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// See Dockerfile for injection via: -ldflags "-X .../version.AgentVersion=0.1.27"
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return CurrentVersions{
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AgentVersion: AgentVersion,
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ConfigVersion: ConfigVersion,
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MinAgentVersion: MinAgentVersion,
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BuildTime: time.Now(),
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}
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}
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// ExtractConfigVersionFromAgent extracts config version from agent version
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// Agent version format: v0.1.23.6 where fourth octet maps to config version
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func ExtractConfigVersionFromAgent(agentVersion string) string {
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// Strip 'v' prefix if present
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cleanVersion := agentVersion
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if len(cleanVersion) > 0 && cleanVersion[0] == 'v' {
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cleanVersion = cleanVersion[1:]
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}
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// Split version parts
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parts := fmt.Sprintf("%s", cleanVersion)
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if len(parts) >= 1 {
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// For now, use the last octet as config version
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// v0.1.23 -> "3" (last digit)
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lastChar := parts[len(parts)-1:]
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return lastChar
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}
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// Default fallback
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return "3"
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}
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// ValidateAgentVersion checks if an agent version is compatible
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func ValidateAgentVersion(agentVersion string) error {
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current := GetCurrentVersions()
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// Check minimum version
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if agentVersion < current.MinAgentVersion {
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return fmt.Errorf("agent version %s is below minimum %s", agentVersion, current.MinAgentVersion)
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}
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return nil
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}
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// GetBuildFlags returns the ldflags to inject versions into agent builds
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func GetBuildFlags() []string {
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versions := GetCurrentVersions()
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return []string{
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fmt.Sprintf("-X github.com/Fimeg/RedFlag/aggregator-agent/internal/version.Version=%s", versions.AgentVersion),
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fmt.Sprintf("-X github.com/Fimeg/RedFlag/aggregator-agent/internal/version.ConfigVersion=%s", versions.ConfigVersion),
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fmt.Sprintf("-X github.com/Fimeg/RedFlag/aggregator-agent/internal/version.BuildTime=%s", versions.BuildTime.Format(time.RFC3339)),
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}
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} |