Add SNMP v2c probing and results endpoint.

Probe sysName/sysDescr/sysObjectID for alive hosts, persist SNMP outcomes, and expose scan SNMP data via REST.

Made-with: Cursor

internal/scans/store.go

@@ -63,6 +63,8 @@ type Store interface {
 	ListHostResults(scanID string, limit int) []HostResult
 	SaveOpenPortResult(scanID string, result OpenPortResult) error
 	ListOpenPortResults(scanID string, limit int) []OpenPortResult
+	SaveSNMPResult(scanID string, result SNMPResult) error
+	ListSNMPResults(scanID string, limit int) []SNMPResult
 }
 
 type HostResult struct {
@@ -78,11 +80,22 @@ type OpenPortResult struct {
 	CheckedAt time.Time `json:"checked_at"`
 }
 
+type SNMPResult struct {
+	IP          string    `json:"ip"`
+	Success     bool      `json:"success"`
+	SysName     string    `json:"sys_name"`
+	SysDescr    string    `json:"sys_descr"`
+	SysObjectID string    `json:"sys_object_id"`
+	Error       string    `json:"error,omitempty"`
+	CheckedAt   time.Time `json:"checked_at"`
+}
+
 type MemoryStore struct {
 	mu    sync.RWMutex
 	jobs  map[string]ScanJob
 	hosts map[string][]HostResult
 	ports map[string][]OpenPortResult
+	snmp  map[string][]SNMPResult
 }
 
 func NewMemoryStore() *MemoryStore {
@@ -90,6 +103,7 @@ func NewMemoryStore() *MemoryStore {
 		jobs:  make(map[string]ScanJob),
 		hosts: make(map[string][]HostResult),
 		ports: make(map[string][]OpenPortResult),
+		snmp:  make(map[string][]SNMPResult),
 	}
 }
 
@@ -240,6 +254,35 @@ func (s *MemoryStore) ListOpenPortResults(scanID string, limit int) []OpenPortRe
 	return out
 }
 
+func (s *MemoryStore) SaveSNMPResult(scanID string, result SNMPResult) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	if _, ok := s.jobs[scanID]; !ok {
+		return errors.New("scan not found")
+	}
+	s.snmp[scanID] = append(s.snmp[scanID], result)
+	return nil
+}
+
+func (s *MemoryStore) ListSNMPResults(scanID string, limit int) []SNMPResult {
+	if limit <= 0 {
+		limit = 1000
+	}
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+
+	items := s.snmp[scanID]
+	if len(items) <= limit {
+		out := make([]SNMPResult, len(items))
+		copy(out, items)
+		return out
+	}
+	out := make([]SNMPResult, limit)
+	copy(out, items[:limit])
+	return out
+}
+
 func applyDefaultOptions(opts *ScanOptions) {
 	if opts.PingTimeoutMS <= 0 {
 		opts.PingTimeoutMS = 700