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 "trapper_expressions_evaluate.h"

​

#include "zbxtrapper.h"

#include "zbxalgo.h"

#include "zbxnum.h"

#include "zbxcommshigh.h"

#include "zbxdbhigh.h"

#include "zbxtime.h"

#include "zbxeval.h"

#include "zbxjson.h"

​

static int  trapper_parse_expressions_evaluate(const struct zbx_json_parse *jp, zbx_vector_str_t *expressions,

                char **error)

{

    char            buffer[MAX_STRING_LEN];

    const char      *ptr;

    zbx_user_t      user;

    int         ret = FAIL;

    struct zbx_json_parse   jp_data, jp_expressions;

​

    zbx_user_init(&user);

​

    if (FAIL == zbx_get_user_from_json(jp, &user, NULL) || USER_TYPE_ZABBIX_ADMIN > user.type)

    {

        *error = zbx_strdup(NULL, "Permission denied.");

        goto out;

    }

​

    if (FAIL == zbx_json_brackets_by_name(jp, ZBX_PROTO_TAG_DATA, &jp_data))

    {

        *error = zbx_strdup(NULL, "Missing data field.");

        goto out;

    }

​

    if (FAIL == zbx_json_brackets_by_name(&jp_data, ZBX_PROTO_TAG_EXPRESSIONS, &jp_expressions))

    {

        *error = zbx_strdup(NULL, "Missing expressions field.");

        goto out;

    }

​

    for (ptr = NULL; NULL != (ptr = zbx_json_next_value(&jp_expressions, ptr, buffer, sizeof(buffer), NULL));)

    {

        zbx_vector_str_append(expressions, zbx_strdup(NULL, buffer));

    }

​

    ret = SUCCEED;

out:

    zbx_user_free(&user);

    return ret;