TUN-7628: Correct Host parsing for Access

Will no longer provide full hostname with path from provided
`--hostname` flag for cloudflared access to the Host header field.
This addresses certain issues caught from a security fix in go
1.19.11 and 1.20.6 in the net/http URL parsing.

vendor/golang.org/x/sys/windows/svc/mgr/recovery.go

@@ -140,3 +140,30 @@ func (s *Service) RecoveryCommand() (string, error) {
 	p := (*windows.SERVICE_FAILURE_ACTIONS)(unsafe.Pointer(&b[0]))
 	return windows.UTF16PtrToString(p.Command), nil
 }
+
+// SetRecoveryActionsOnNonCrashFailures sets the failure actions flag. If the
+// flag is set to false, recovery actions will only be performed if the service
+// terminates without reporting a status of SERVICE_STOPPED. If the flag is set
+// to true, recovery actions are also perfomed if the service stops with a
+// nonzero exit code.
+func (s *Service) SetRecoveryActionsOnNonCrashFailures(flag bool) error {
+	var setting windows.SERVICE_FAILURE_ACTIONS_FLAG
+	if flag {
+		setting.FailureActionsOnNonCrashFailures = 1
+	}
+	return windows.ChangeServiceConfig2(s.Handle, windows.SERVICE_CONFIG_FAILURE_ACTIONS_FLAG, (*byte)(unsafe.Pointer(&setting)))
+}
+
+// RecoveryActionsOnNonCrashFailures returns the current value of the failure
+// actions flag. If the flag is set to false, recovery actions will only be
+// performed if the service terminates without reporting a status of
+// SERVICE_STOPPED. If the flag is set to true, recovery actions are also
+// perfomed if the service stops with a nonzero exit code.
+func (s *Service) RecoveryActionsOnNonCrashFailures() (bool, error) {
+	b, err := s.queryServiceConfig2(windows.SERVICE_CONFIG_FAILURE_ACTIONS_FLAG)
+	if err != nil {
+		return false, err
+	}
+	p := (*windows.SERVICE_FAILURE_ACTIONS_FLAG)(unsafe.Pointer(&b[0]))
+	return p.FailureActionsOnNonCrashFailures != 0, nil
+}

vendor/golang.org/x/sys/windows/svc/mgr/service.go

@@ -15,8 +15,6 @@ import (
 	"golang.org/x/sys/windows/svc"
 )
 
-// TODO(brainman): Use EnumDependentServices to enumerate dependent services.
-
 // Service is used to access Windows service.
 type Service struct {
 	Name   string
@@ -47,17 +45,25 @@ func (s *Service) Start(args ...string) error {
 	return windows.StartService(s.Handle, uint32(len(args)), p)
 }
 
-// Control sends state change request c to the service s.
+// Control sends state change request c to the service s. It returns the most
+// recent status the service reported to the service control manager, and an
+// error if the state change request was not accepted.
+// Note that the returned service status is only set if the status change
+// request succeeded, or if it failed with error ERROR_INVALID_SERVICE_CONTROL,
+// ERROR_SERVICE_CANNOT_ACCEPT_CTRL, or ERROR_SERVICE_NOT_ACTIVE.
 func (s *Service) Control(c svc.Cmd) (svc.Status, error) {
 	var t windows.SERVICE_STATUS
 	err := windows.ControlService(s.Handle, uint32(c), &t)
-	if err != nil {
+	if err != nil &&
+		err != windows.ERROR_INVALID_SERVICE_CONTROL &&
+		err != windows.ERROR_SERVICE_CANNOT_ACCEPT_CTRL &&
+		err != windows.ERROR_SERVICE_NOT_ACTIVE {
 		return svc.Status{}, err
 	}
 	return svc.Status{
 		State:   svc.State(t.CurrentState),
 		Accepts: svc.Accepted(t.ControlsAccepted),
-	}, nil
+	}, err
 }
 
 // Query returns current status of service s.
@@ -76,3 +82,44 @@ func (s *Service) Query() (svc.Status, error) {
 		ServiceSpecificExitCode: t.ServiceSpecificExitCode,
 	}, nil
 }
+
+// ListDependentServices returns the names of the services dependent on service s, which match the given status.
+func (s *Service) ListDependentServices(status svc.ActivityStatus) ([]string, error) {
+	var bytesNeeded, returnedServiceCount uint32
+	var services []windows.ENUM_SERVICE_STATUS
+	for {
+		var servicesPtr *windows.ENUM_SERVICE_STATUS
+		if len(services) > 0 {
+			servicesPtr = &services[0]
+		}
+		allocatedBytes := uint32(len(services)) * uint32(unsafe.Sizeof(windows.ENUM_SERVICE_STATUS{}))
+		err := windows.EnumDependentServices(s.Handle, uint32(status), servicesPtr, allocatedBytes, &bytesNeeded,
+			&returnedServiceCount)
+		if err == nil {
+			break
+		}
+		if err != syscall.ERROR_MORE_DATA {
+			return nil, err
+		}
+		if bytesNeeded <= allocatedBytes {
+			return nil, err
+		}
+		// ERROR_MORE_DATA indicates the provided buffer was too small, run the call again after resizing the buffer
+		requiredSliceLen := bytesNeeded / uint32(unsafe.Sizeof(windows.ENUM_SERVICE_STATUS{}))
+		if bytesNeeded%uint32(unsafe.Sizeof(windows.ENUM_SERVICE_STATUS{})) != 0 {
+			requiredSliceLen += 1
+		}
+		services = make([]windows.ENUM_SERVICE_STATUS, requiredSliceLen)
+	}
+	if returnedServiceCount == 0 {
+		return nil, nil
+	}
+
+	// The slice mutated by EnumDependentServices may have a length greater than returnedServiceCount, any elements
+	// past that should be ignored.
+	var dependents []string
+	for i := 0; i < int(returnedServiceCount); i++ {
+		dependents = append(dependents, windows.UTF16PtrToString(services[i].ServiceName))
+	}
+	return dependents, nil
+}

vendor/golang.org/x/sys/windows/svc/service.go

@@ -68,6 +68,15 @@ const (
 	AcceptPreShutdown           = Accepted(windows.SERVICE_ACCEPT_PRESHUTDOWN)
 )
 
+// ActivityStatus allows for services to be selected based on active and inactive categories of service state.
+type ActivityStatus uint32
+
+const (
+	Active      = ActivityStatus(windows.SERVICE_ACTIVE)
+	Inactive    = ActivityStatus(windows.SERVICE_INACTIVE)
+	AnyActivity = ActivityStatus(windows.SERVICE_STATE_ALL)
+)
+
 // Status combines State and Accepted commands to fully describe running service.
 type Status struct {
 	State                   State