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 "checks_browser.h"

​

#include "zbxembed.h"

#include "zbxjson.h"

​

int get_value_browser(zbx_dc_item_t *item, const char *config_webdriver_url, const char *config_source_ip,

        AGENT_RESULT *result)

{

    char        *error = NULL, *script_bin = NULL, *output = NULL;

    int     script_bin_sz, ret = NOTSUPPORTED;

    zbx_es_t    es_engine;

    struct zbx_json json;

​

    if (NULL == config_webdriver_url)

    {

        SET_MSG_RESULT(result, zbx_strdup(NULL, "Browser item requires WebDriverURL configuration parameter"));

        zbx_free(error);

​

        return ret;

    }

​

    zbx_es_init(&es_engine);

​

    if (SUCCEED != zbx_es_init_env(&es_engine, config_source_ip, &error))

    {

        SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot initialize scripting environment: %s",

                error));

        zbx_free(error);

​

        return ret;

    }

​

    if (SUCCEED != zbx_es_init_browser_env(&es_engine, config_webdriver_url, &error))

    {

        SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot initialize Browser object: %s", error));

        zbx_free(error);

​

        if (SUCCEED != zbx_es_destroy_env(&es_engine, &error))

        {

            zabbix_log(LOG_LEVEL_WARNING, "Cannot destroy embedded scripting engine environment:"

                    " %s", error);

            zbx_free(error);

        }

​

        return ret;

    }

​

    zbx_json_init(&json, ZBX_JSON_STAT_BUF_LEN);

​

    if (SUCCEED != zbx_es_compile(&es_engine, item->params, &script_bin, &script_bin_sz, &error))

    {

        SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot compile script: %s", error));

        goto err;

    }

​

    zbx_es_set_timeout(&es_engine, item->timeout);

​

    for (int i = 0; i < item->script_params.values_num; i++)

    {

        zbx_json_addstring(&json, (const char *)item->script_params.values[i].first,

                (const char *)item->script_params.values[i].second, ZBX_JSON_TYPE_STRING);

    }

​

    if (SUCCEED != zbx_es_execute(&es_engine, NULL, script_bin, script_bin_sz, json.buffer, &output,

            &error))

    {

        SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot execute script: %s", error));

        goto err;

    }

​

    ret = SUCCEED;

    SET_TEXT_RESULT(result, NULL != output ? output : zbx_strdup(NULL, ""));

err:

    zbx_json_free(&json);

    zbx_free(script_bin);

    zbx_free(error);

​