[management] network map from nmap data type (#6919)

Signed-off-by: Dmitri Dolguikh <dmitri.external@netbird.io>
Co-authored-by: Dmitri Dolguikh <dmitri.external@netbird.io>

shared/management/networkmap/nmdata/posture_process.go

@@ -0,0 +1,56 @@
+package nmdata
+
+import (
+	"fmt"
+	"slices"
+)
+
+// Process is the slim twin of posture.Process.
+type Process struct {
+	LinuxPath   string
+	MacPath     string
+	WindowsPath string
+}
+
+// ProcessCheck is the slim twin of posture.ProcessCheck.
+type ProcessCheck struct {
+	Processes []Process
+}
+
+func (p *ProcessCheck) check(peer *Peer) (bool, error) {
+	peerActiveProcesses := extractPeerActiveProcesses(peer.Meta.Files)
+
+	var pathSelector func(Process) string
+	switch peer.Meta.GoOS {
+	case "linux":
+		pathSelector = func(process Process) string { return process.LinuxPath }
+	case "darwin":
+		pathSelector = func(process Process) string { return process.MacPath }
+	case "windows":
+		pathSelector = func(process Process) string { return process.WindowsPath }
+	default:
+		return false, fmt.Errorf("unsupported peer's operating system: %s", peer.Meta.GoOS)
+	}
+
+	return p.areAllProcessesRunning(peerActiveProcesses, pathSelector), nil
+}
+
+func (p *ProcessCheck) areAllProcessesRunning(activeProcesses []string, pathSelector func(Process) string) bool {
+	for _, process := range p.Processes {
+		path := pathSelector(process)
+		if path == "" || !slices.Contains(activeProcesses, path) {
+			return false
+		}
+	}
+	return true
+}
+
+func extractPeerActiveProcesses(files []File) []string {
+	activeProcesses := make([]string, 0, len(files))
+	for _, file := range files {
+		if file.ProcessIsRunning {
+			activeProcesses = append(activeProcesses, file.Path)
+		}
+	}
+	return activeProcesses
+}