Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

#include "zbxsysinfo.h"

#include "../sysinfo.h"

​

#include "zbxcfg.h"

#include "zbxtime.h"

​

#include "zbxwin32.h"

​

#pragma comment(lib, "user32.lib")

​

/******************************************************************************

 *                                                                            *

 * Purpose: reads value from Windows registry                                 *

 *                                                                            *

 ******************************************************************************/

static wchar_t  *read_registry_value(HKEY hKey, LPCTSTR name)

{

    DWORD   szData = 0;

    wchar_t *value = NULL;

​

    if (ERROR_SUCCESS == RegQueryValueEx(hKey, name, NULL, NULL, NULL, &szData))

    {

        value = zbx_malloc(NULL, szData);

        if (ERROR_SUCCESS != RegQueryValueEx(hKey, name, NULL, NULL, (LPBYTE)value, &szData))

            zbx_free(value);

    }

​

    return value;

}

​

/******************************************************************************

 *                                                                            *

 * Purpose: gets Windows version information                                  *

 *                                                                            *

 ******************************************************************************/

const OSVERSIONINFOEX       *zbx_win_getversion(void)

{

#define ZBX_REGKEY_VERSION      "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion"

#define ZBX_REGVALUE_CURRENTVERSION "CurrentVersion"

#define ZBX_REGVALUE_CURRENTBUILDNUMBER "CurrentBuildNumber"

#define ZBX_REGVALUE_CSDVERSION     "CSDVersion"

#define ZBX_REGKEY_PRODUCT      "System\\CurrentControlSet\\Control\\ProductOptions"

#define ZBX_REGVALUE_PRODUCTTYPE        "ProductType"

​

    static OSVERSIONINFOEX  vi = {sizeof(OSVERSIONINFOEX)};

​

    OSVERSIONINFOEX     *pvi = NULL;

    HKEY            h_key_registry = NULL;

    wchar_t         *key_value = NULL, *ptr;

​

    if (0 != vi.dwMajorVersion)

        return &vi;

​

    if (ERROR_SUCCESS != RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT(ZBX_REGKEY_VERSION), 0, KEY_READ, &h_key_registry))

    {

        zabbix_log(LOG_LEVEL_DEBUG, "failed to open registry key '%s'", ZBX_REGKEY_VERSION);

        goto out;

    }

​

    if (NULL == (key_value = read_registry_value(h_key_registry, TEXT(ZBX_REGVALUE_CURRENTVERSION))))

    {

        zabbix_log(LOG_LEVEL_DEBUG, "failed to read registry value '%s'", ZBX_REGVALUE_CURRENTVERSION);

        goto out;

    }

​

    if (NULL != (ptr = wcschr(key_value, TEXT('.'))))

    {

        *ptr++ = L'\0';

        vi.dwMinorVersion = _wtoi(ptr);

    }

​

    vi.dwMajorVersion = _wtoi(key_value);

​

    zbx_free(key_value);

​

    if (6 > vi.dwMajorVersion || 2 > vi.dwMinorVersion)

    {