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 "active.h"

#include "zbxserver.h"

​

#include "log.h"

#include "zbxregexp.h"

#include "zbxcompress.h"

#include "zbxcrypto.h"

#include "zbxnum.h"

#include "zbxcomms.h"

#include "zbxip.h"

#include "zbxsysinfo.h"

#include "zbxversion.h"

#include "zbx_host_constants.h"

#include "zbx_item_constants.h"

​

extern unsigned char    program_type;

​

/**********************************************************************************

 *                                                                                *

 * Purpose: perform active agent auto registration                                *

 *                                                                                *

 * Parameters: host            - [IN] name of the host to be added or updated     *

 *             ip              - [IN] IP address of the host                      *

 *             port            - [IN] port of the host                            *

 *             connection_type - [IN] ZBX_TCP_SEC_UNENCRYPTED,                    *

 *                                    ZBX_TCP_SEC_TLS_PSK or ZBX_TCP_SEC_TLS_CERT *

 *             host_metadata   - [IN] host metadata                               *

 *             flag            - [IN] flag describing interface type              *

 *             interface       - [IN] interface value if flag is not default      *

 *             config_timeout  - [IN]                                             *

 *                                                                                *

 * Comments: helper function for get_hostid_by_host                               *

 *                                                                                *

 **********************************************************************************/

static void db_register_host(const char *host, const char *ip, unsigned short port, unsigned int connection_type,

        const char *host_metadata, zbx_conn_flags_t flag, const char *interface, int config_timeout)

{

    char        dns[ZBX_INTERFACE_DNS_LEN_MAX];

    char        ip_addr[ZBX_INTERFACE_IP_LEN_MAX];

    const char  *p;

    const char  *p_ip, *p_dns;

    int     now;

​

    p_ip = ip;

    p_dns = dns;

​

    if (ZBX_CONN_DEFAULT == flag)

        p = ip;

    else if (ZBX_CONN_IP == flag)

        p_ip = p = interface;

​

    zbx_alarm_on(config_timeout);

    if (ZBX_CONN_DEFAULT == flag || ZBX_CONN_IP == flag)

    {

        if (0 == strncmp("::ffff:", p, 7) && SUCCEED == zbx_is_ip4(p + 7))

            p += 7;

​

        zbx_gethost_by_ip(p, dns, sizeof(dns));

    }

    else if (ZBX_CONN_DNS == flag)

    {

        zbx_getip_by_host(interface, ip_addr, sizeof(ip_addr));

        p_ip = ip_addr;

        p_dns = interface;

    }

    zbx_alarm_off();

​

    now = time(NULL);

​

    /* update before changing database in case Zabbix proxy also changed database and then deleted from cache */

    DCconfig_update_autoreg_host(host, p_ip, p_dns, port, host_metadata, flag, now);

​