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_java.h"

​

#include "zbxjson.h"

#include "zbxsysinfo.h"

#include "zbxcomms.h"

#include "zbxstr.h"

​

static int  parse_response(AGENT_RESULT *results, int *errcodes, int num, char *response,

        char *error, int max_error_len)

{

    const char      *p;

    struct zbx_json_parse   jp, jp_data, jp_row;

    char            *value = NULL;

    size_t          value_alloc = 0;

    int         ret = GATEWAY_ERROR;

​

    if (SUCCEED == zbx_json_open(response, &jp))

    {

        if (SUCCEED != zbx_json_value_by_name_dyn(&jp, ZBX_PROTO_TAG_RESPONSE, &value, &value_alloc, NULL))

        {

            zbx_snprintf(error, max_error_len, "No '%s' tag in received JSON", ZBX_PROTO_TAG_RESPONSE);

            goto exit;

        }

​

        if (0 == strcmp(value, ZBX_PROTO_VALUE_SUCCESS))

        {

            if (SUCCEED != zbx_json_brackets_by_name(&jp, ZBX_PROTO_TAG_DATA, &jp_data))

            {

                zbx_strlcpy(error, "Cannot open data array in received JSON", max_error_len);

                goto exit;

            }

​

            p = NULL;

​

            for (int i = 0; i < num; i++)

            {

                if (SUCCEED != errcodes[i])

                    continue;

​

                if (NULL == (p = zbx_json_next(&jp_data, p)))

                {

                    zbx_strlcpy(error, "Not all values included in received JSON", max_error_len);

                    goto exit;

                }

​

                if (SUCCEED != zbx_json_brackets_open(p, &jp_row))

                {

                    zbx_strlcpy(error, "Cannot open value object in received JSON", max_error_len);

                    goto exit;

                }

​

                if (SUCCEED == zbx_json_value_by_name_dyn(&jp_row, ZBX_PROTO_TAG_VALUE, &value,

                        &value_alloc, NULL))

                {

                    zbx_set_agent_result_type(&results[i], ITEM_VALUE_TYPE_TEXT, value);

                    errcodes[i] = SUCCEED;

                }

                else if (SUCCEED == zbx_json_value_by_name_dyn(&jp_row, ZBX_PROTO_TAG_ERROR, &value,

                        &value_alloc, NULL))

                {

                    SET_MSG_RESULT(&results[i], zbx_strdup(NULL, value));

                    errcodes[i] = NOTSUPPORTED;

                }

                else

                {

                    SET_MSG_RESULT(&results[i], zbx_strdup(NULL, "Cannot get item value or "

                            "error message"));

                    errcodes[i] = AGENT_ERROR;

                }

            }

​

            ret = SUCCEED;

        }

        else if (0 == strcmp(value, ZBX_PROTO_VALUE_FAILED))

        {

            if (SUCCEED == zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_ERROR, error, max_error_len, NULL))

            {