Zabbix

/*

** 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 wmi

​

import (

    "errors"

    "runtime"

​

    "github.com/go-ole/go-ole"

    "github.com/go-ole/go-ole/oleutil"

​

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

)

​

const S_FALSE = 0x1

​

type stopError int

​

const (

    stopErrorCol stopError = iota

    stopErrorRow

)

​

func (e stopError) Error() string {

    return ""

}

​

type resultWriter interface {

    write(v *ole.IDispatch) error

}

​

type valueResult struct {

    data interface{}

}

​

func clearOle(quals *ole.VARIANT) {

    if err := quals.Clear(); err != nil {

        log.Errf("cannot clear OLE: %s", err)

    }

}

​

func isPropertyKeyProperty(propsCol *ole.IDispatch) (isKeyProperty bool, err error) {

    rawQuals, err := propsCol.GetProperty("Qualifiers_")

    if err != nil {

        return false, err

    }

​

    quals := rawQuals.ToIDispatch()

    defer quals.Release()

​

    isKeyProperty = false

​

    // loop through Property Qualifiers to find if this Property

    // is a Key and should be skipped unless specifically queried for

    oleErr := oleutil.ForEach(quals, func(vc2 *ole.VARIANT) (err error) {

        qualsCol := vc2.ToIDispatch()

        defer qualsCol.Release()

​

        qualsName, err := oleutil.GetProperty(qualsCol, "Name")

        if err != nil {

            return

        }

        defer clearOle(qualsName)

​

        if qualsName.Value().(string) == "key" {

            isKeyProperty = true

            return stopErrorCol

        }

        return

    })

    if _, ok := oleErr.(stopError); !ok {

        return false, oleErr

    }

​