Zabbix

//go:build windows

// +build windows

​

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

package file

​

import (

    "errors"

    "fmt"

    "os"

    "syscall"

    "unsafe"

​

    "git.zabbix.com/ap/plugin-support/zbxerr"

    "golang.org/x/sys/windows"

)

​

const (

    fileBasicInfo = 0 // FILE_BASIC_INFO

)

​

type FILE_BASIC_INFO struct {

    CreationTime   windows.Filetime

    LastAccessTime windows.Filetime

    LastWriteTime  windows.Filetime

    ChangeTime     windows.Filetime

    FileAttributes uint32

    // padding

    _ uint32

}

​

func getFileChange(path string) (unixTimeNano int64, err error) {

    var f *os.File

    if f, err = os.Open(path); err != nil {

        return 0, zbxerr.New(fmt.Sprintf("Cannot open file")).Wrap(err)

    }

    defer f.Close()

​

    var bi FILE_BASIC_INFO

    err = windows.GetFileInformationByHandleEx(windows.Handle(f.Fd()), fileBasicInfo, (*byte)(unsafe.Pointer(&bi)),

        uint32(unsafe.Sizeof(bi)))

​

    if err != nil {

        return 0, zbxerr.New(fmt.Sprintf("Cannot obtain file information")).Wrap(err)

    }

    return bi.ChangeTime.Nanoseconds(), nil

}

​

// Export -

func (p *Plugin) exportTime(params []string) (result interface{}, err error) {

    if len(params) > 2 || len(params) == 0 {

        return nil, errors.New("Invalid number of parameters.")

    }

    if "" == params[0] {

        return nil, errors.New("Invalid first parameter.")

    }

​

    if len(params) == 1 || params[1] == "" || params[1] == "modify" {

        if fi, ferr := os.Stat(params[0]); ferr != nil {

            return nil, zbxerr.New(fmt.Sprintf("Cannot stat file")).Wrap(err)

        } else {

            return fi.ModTime().Unix(), nil

        }

    } else if params[1] == "access" {

        if fi, ferr := os.Stat(params[0]); ferr != nil {

            return nil, zbxerr.New(fmt.Sprintf("Cannot stat file")).Wrap(err)

        } else {

            if stat, ok := fi.Sys().(*syscall.Win32FileAttributeData); !ok {

                return nil, errors.New("Invalid system data returned by stat.")

            } else {

                return stat.LastAccessTime.Nanoseconds() / 1e9, nil

            }

        }