Layer 4 SIP protection with: - SIP traffic matching (REGISTER, INVITE, etc.) - Rate limiting and automatic IP banning - Attack pattern detection (sipvicious, friendly-scanner) - CIDR whitelisting - Admin API for ban management
61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
package sipguardian
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import (
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"sync"
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"github.com/caddyserver/caddy/v2"
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)
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// Global registry to share guardian instances across modules
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var (
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guardianRegistry = make(map[string]*SIPGuardian)
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registryMu sync.RWMutex
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)
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// GetOrCreateGuardian returns a shared guardian instance by name
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func GetOrCreateGuardian(ctx caddy.Context, name string) (*SIPGuardian, error) {
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if name == "" {
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name = "default"
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}
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registryMu.Lock()
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defer registryMu.Unlock()
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if g, exists := guardianRegistry[name]; exists {
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return g, nil
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}
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// Create new guardian
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g := &SIPGuardian{}
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if err := g.Provision(ctx); err != nil {
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return nil, err
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}
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guardianRegistry[name] = g
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return g, nil
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}
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// GetGuardian returns an existing guardian instance
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func GetGuardian(name string) *SIPGuardian {
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if name == "" {
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name = "default"
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}
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registryMu.RLock()
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defer registryMu.RUnlock()
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return guardianRegistry[name]
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}
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// ListGuardians returns all guardian names
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func ListGuardians() []string {
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registryMu.RLock()
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defer registryMu.RUnlock()
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names := make([]string, 0, len(guardianRegistry))
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for name := range guardianRegistry {
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names = append(names, name)
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}
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return names
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}
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