Replace dataroot module with BinDir and DataDir on instance, adapt modules

service/config.go

@@ -1,3 +1,89 @@
 package service
 
-type ServiceConfig struct{}
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+	"runtime"
+
+	"github.com/safing/jess"
+)
+
+type ServiceConfig struct {
+	BinDir  string
+	DataDir string
+
+	BinariesIndexURLs   []string
+	IntelIndexURLs      []string
+	VerifyBinaryUpdates jess.TrustStore
+	VerifyIntelUpdates  jess.TrustStore
+}
+
+func (sc *ServiceConfig) Init() error {
+	// Check directories
+	switch runtime.GOOS {
+	case "windows":
+		if sc.BinDir == "" {
+			exeDir, err := getCurrentBinaryFolder() // Default: C:/Program Files/Portmaster
+			if err != nil {
+				return fmt.Errorf("derive bin dir from runnning exe: %w", err)
+			}
+			sc.BinDir = exeDir
+		}
+		if sc.DataDir == "" {
+			sc.DataDir = filepath.FromSlash("$ProgramData/Portmaster")
+		}
+
+	case "linux":
+		// Fall back to defaults.
+		if sc.BinDir == "" {
+			sc.BinDir = "/usr/lib/portmaster"
+		}
+		if sc.DataDir == "" {
+			sc.DataDir = "/var/lib/portmaster"
+		}
+
+	default:
+		// Fail if not configured on other platforms.
+		if sc.BinDir == "" {
+			return errors.New("binary directory must be configured - auto-detection not supported on this platform")
+		}
+		if sc.DataDir == "" {
+			return errors.New("binary directory must be configured - auto-detection not supported on this platform")
+		}
+	}
+
+	// Expand path variables.
+	sc.BinDir = os.ExpandEnv(sc.BinDir)
+	sc.DataDir = os.ExpandEnv(sc.DataDir)
+
+	// Apply defaults for required fields.
+	if len(sc.BinariesIndexURLs) == 0 {
+		sc.BinariesIndexURLs = DefaultBinaryIndexURLs
+	}
+	if len(sc.IntelIndexURLs) == 0 {
+		sc.IntelIndexURLs = DefaultIntelIndexURLs
+	}
+
+	return nil
+}
+
+func getCurrentBinaryFolder() (string, error) {
+	// Get the path of the currently running executable
+	exePath, err := os.Executable()
+	if err != nil {
+		return "", fmt.Errorf("failed to get executable path: %w", err)
+	}
+
+	// Get the absolute path
+	absPath, err := filepath.Abs(exePath)
+	if err != nil {
+		return "", fmt.Errorf("failed to get absolute path: %w", err)
+	}
+
+	// Get the directory of the executable
+	installDir := filepath.Dir(absPath)
+
+	return installDir, nil
+}