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_script.h"

​

#include "zbxembed.h"

#include "zbxjson.h"

​

static zbx_es_t es_engine;

​

void    scriptitem_es_engine_init(void)

{

    zbx_es_init(&es_engine);

}

​

void    scriptitem_es_engine_destroy(void)

{

    if (SUCCEED == zbx_es_is_env_initialized(&es_engine))

        zbx_es_destroy(&es_engine);

}

​

int get_value_script(zbx_dc_item_t *item, const char *config_source_ip, AGENT_RESULT *result)

{

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

    int     script_bin_sz, ret = NOTSUPPORTED;

    struct zbx_json json;

​

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

            &error))

    {

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