state: store launch method instead of launcher path

Launcher path is constant for each launch method on the same system.

Signed-off-by: Ophestra Umiker <cat@ophivana.moe>

internal/app/seal.go

@@ -21,6 +21,11 @@ const (
 	LaunchMethodMachineCtl
 )
 
+var method = [...]string{
+	LaunchMethodSudo:       "sudo",
+	LaunchMethodMachineCtl: "systemd",
+}
+
 var (
 	ErrConfig = errors.New("no configuration to seal")
 	ErrUser   = errors.New("unknown user")
@@ -65,7 +70,7 @@ func (a *app) Seal(config *Config) error {
 
 	// parses launch method text and looks up tool path
 	switch config.Method {
-	case "sudo":
+	case method[LaunchMethodSudo]:
 		seal.launchOption = LaunchMethodSudo
 		if sudoPath, err := exec.LookPath("sudo"); err != nil {
 			return fmsg.WrapError(ErrSudo,
@@ -73,7 +78,7 @@ func (a *app) Seal(config *Config) error {
 		} else {
 			seal.toolPath = sudoPath
 		}
-	case "systemd":
+	case method[LaunchMethodMachineCtl]:
 		seal.launchOption = LaunchMethodMachineCtl
 		if !internal.SdBootedV {
 			return fmsg.WrapError(ErrSystemd,

internal/app/start.go

@@ -94,7 +94,7 @@ func (a *app) Start() error {
 		PID:        a.cmd.Process.Pid,
 		Command:    a.seal.command,
 		Capability: a.seal.et,
-		Launcher:   a.seal.toolPath,
+		Method:     method[a.seal.launchOption],
 		Argv:       a.cmd.Args,
 		Time:       startTime,
 	}

internal/state/print.go

@@ -68,7 +68,7 @@ func (s *simpleStore) mustPrintLauncherState(w **tabwriter.Writer, now time.Time
 
 				// write header when initialising
 				if !verbose.Get() {
-					_, _ = fmt.Fprintln(*w, "\tUID\tPID\tUptime\tEnablements\tLauncher\tCommand")
+					_, _ = fmt.Fprintln(*w, "\tUID\tPID\tUptime\tEnablements\tMethod\tCommand")
 				} else {
 					// argv is emitted in body when verbose
 					_, _ = fmt.Fprintln(*w, "\tUID\tPID\tArgv")
@@ -98,7 +98,7 @@ func (s *simpleStore) mustPrintLauncherState(w **tabwriter.Writer, now time.Time
 
 				if !verbose.Get() {
 					_, _ = fmt.Fprintf(*w, "\t%s\t%d\t%s\t%s\t%s\t%s\n",
-						s.path[len(s.path)-1], state.PID, now.Sub(state.Time).Round(time.Second).String(), strings.TrimPrefix(ets.String(), ", "), state.Launcher,
+						s.path[len(s.path)-1], state.PID, now.Sub(state.Time).Round(time.Second).String(), strings.TrimPrefix(ets.String(), ", "), state.Method,
 						state.Command)
 				} else {
 					// emit argv instead when verbose

internal/state/state.go

@@ -33,8 +33,8 @@ type State struct {
 	// capability enablements applied to child
 	Capability system.Enablements
 
-	// resolved launcher path
+	// user switch method
-	Launcher string
+	Method string
 	// full argv whe launching
 	Argv []string
 	// process start time