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path: root/pkg/goexec/tsch/demand.go
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package tschexec

import (
	"context"
	"fmt"
	"github.com/FalconOpsLLC/goexec/pkg/goexec"
	"github.com/oiweiwei/go-msrpc/msrpc/tsch/itaskschedulerservice/v1"
	"github.com/rs/zerolog"

	_ "github.com/oiweiwei/go-msrpc/msrpc/erref/ntstatus"
	_ "github.com/oiweiwei/go-msrpc/msrpc/erref/win32"
)

const (
	MethodDemand = "Demand"
)

type TschDemand struct {
	Tsch
	goexec.Executor
	goexec.Cleaner

	IO goexec.ExecutionIO

	NoDelete  bool
	NoStart   bool
	SessionId uint32
}

func (m *TschDemand) Execute(ctx context.Context, execIO *goexec.ExecutionIO) (err error) {

	log := zerolog.Ctx(ctx).With().
		Str("module", ModuleName).
		Str("method", MethodDemand).
		Str("task", m.TaskPath).
		Logger()

	path, err := m.registerTask(ctx,
		&registerOptions{
			AllowStartOnDemand: true,
			AllowHardTerminate: true,
			Hidden:             !m.NotHidden,
			triggers:           taskTriggers{},
		},
		execIO,
	)
	if err != nil {
		return err
	}

	log.Info().Msg("Task registered")

	if !m.NoDelete {
		m.AddCleaners(func(ctxInner context.Context) error {
			return m.deleteTask(ctxInner, path)
		})
	}

	if !m.NoStart {

		var flags uint32
		if m.SessionId != 0 {
			flags |= 4
		}

		runResponse, err := m.tsch.Run(ctx, &itaskschedulerservice.RunRequest{
			Path:      path,
			Flags:     flags,
			SessionID: m.SessionId,
		})

		if err != nil {
			log.Error().Err(err).Msg("Failed to run task")
			return fmt.Errorf("run task: %w", err)
		}
		if ret := uint32(runResponse.Return); ret != 0 {
			log.Error().Str("code", fmt.Sprintf("0x%08x", ret)).Msg("Task returned non-zero exit code")
			return fmt.Errorf("task returned non-zero exit code: 0x%08x", ret)
		}

		log.Info().Msg("Task started successfully")
	}
	return
}