Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** 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 General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

#include "zbxsysinfo.h"

#include "../sysinfo.h"

#include "simple.h"

​

#include "../common/net.h"

#include "ntp.h"

​

#include "zbxstr.h"

#include "zbxnum.h"

#include "zbxtime.h"

#include "zbxip.h"

#include "zbxcomms.h"

#include "log.h"

#include "cfg.h"

​

#ifdef HAVE_LDAP

#   include <ldap.h>

#endif

​

#ifdef HAVE_LBER_H

#   include <lber.h>

#endif

​

ZBX_METRIC  parameters_simple[] =

/*  KEY         FLAG        FUNCTION        TEST PARAMETERS */

{

    {"net.tcp.service", CF_HAVEPARAMS,  check_service,      "ssh,127.0.0.1,22"},

    {"net.tcp.service.perf",CF_HAVEPARAMS,  check_service_perf, "ssh,127.0.0.1,22"},

    {"net.udp.service", CF_HAVEPARAMS,  check_service,      "ntp,127.0.0.1,123"},

    {"net.udp.service.perf",CF_HAVEPARAMS,  check_service_perf, "ntp,127.0.0.1,123"},

    {NULL}

};

​

#ifdef HAVE_LDAP

static int  check_ldap(const char *host, unsigned short port, int timeout, int *value_int)

{

    LDAP        *ldap   = NULL;

    LDAPMessage *res    = NULL;

    LDAPMessage *msg    = NULL;

    BerElement  *ber    = NULL;

​

    char    *attrs[2] = {"namingContexts", NULL };

    char    *attr    = NULL;

    char    **valRes = NULL;

    int ldapErr = 0;

​

    zbx_alarm_on(timeout);

​

    *value_int = 0;

​

    if (NULL == (ldap = ldap_init(host, port)))

    {

        zabbix_log(LOG_LEVEL_DEBUG, "LDAP - initialization failed [%s:%hu]", host, port);

        goto lbl_ret;

    }

​

#if defined(LDAP_OPT_SOCKET_BIND_ADDRESSES) && defined(HAVE_LDAP_SOURCEIP)

    if (NULL != CONFIG_SOURCE_IP)

    {

        if (LDAP_SUCCESS != (ldapErr = ldap_set_option(ldap, LDAP_OPT_SOCKET_BIND_ADDRESSES, CONFIG_SOURCE_IP)))

        {

            zabbix_log(LOG_LEVEL_DEBUG, "LDAP - failed to set source ip address [%s]",

                    ldap_err2string(ldapErr));

            goto lbl_ret;

        }

    }

#endif

​

    if (LDAP_SUCCESS != (ldapErr = ldap_search_s(ldap, "", LDAP_SCOPE_BASE, "(objectClass=*)", attrs, 0, &res)))

    {

        zabbix_log(LOG_LEVEL_DEBUG, "LDAP - searching failed [%s] [%s]", host, ldap_err2string(ldapErr));

        goto lbl_ret;