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 "item_preproc.h"

#include "preproc_snmp.h"

#include "pp_manager.h"

​

#include "zbxjson.h"

#include "zbxcrypto.h"

#include "zbxstr.h"

#include "zbxvariant.h"

​

ZBX_VECTOR_IMPL(snmp_walk_to_json_param, zbx_snmp_walk_to_json_param_t)

ZBX_PTR_VECTOR_IMPL(snmp_walk_to_json_output_val, zbx_snmp_walk_json_output_value_t *)

ZBX_PTR_VECTOR_IMPL(snmp_value_pair, zbx_snmp_value_pair_t *)

​

#define ZBX_PREPROC_SNMP_UTF8_FROM_HEX  1

#define ZBX_PREPROC_SNMP_MAC_FROM_HEX   2

#define ZBX_PREPROC_SNMP_UINT_FROM_BITS 3

​

#ifdef HAVE_NETSNMP

static char zbx_snmp_init_done;

​

static int  preproc_snmp_translate_oid(const char *oid_in, char **oid_out)

{

    char    buffer[MAX_OID_LEN];

    oid oid_tmp[MAX_OID_LEN];

    size_t  oid_len = MAX_OID_LEN;

​

    if (0 != get_node(oid_in, oid_tmp, &oid_len))

    {

        snprint_objid(buffer, sizeof(buffer), oid_tmp, oid_len);

        *oid_out = zbx_strdup(NULL, buffer);

        return SUCCEED;

    }

​

    return FAIL;

}

#endif

​

static zbx_hash_t   snmp_value_pair_hash_func(const void *d)

{

    const zbx_snmp_value_pair_t *s = (const zbx_snmp_value_pair_t *)d;

​

    return ZBX_DEFAULT_STRING_HASH_FUNC(s->oid);

}

​

static int  snmp_value_pair_compare_func(const void *d1, const void *d2)

{

    const zbx_snmp_value_pair_t *s1 = (const zbx_snmp_value_pair_t *)d1;

    const zbx_snmp_value_pair_t *s2 = (const zbx_snmp_value_pair_t *)d2;

​