Zabbix

/*

** 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 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 "datasender.h"

​

#include "comms.h"

#include "db.h"

#include "log.h"

#include "daemon.h"

#include "proxy.h"

#include "zbxself.h"

#include "zbxtasks.h"

#include "zbxcrypto.h"

#include "zbxcompress.h"

​

extern ZBX_THREAD_LOCAL unsigned char   process_type;

extern unsigned char            program_type;

extern ZBX_THREAD_LOCAL int     server_num, process_num;

​

extern zbx_vector_ptr_t zbx_addrs;

extern char     *CONFIG_HOSTNAME;

extern char     *CONFIG_SOURCE_IP;

extern unsigned int configured_tls_connect_mode;

​

#define ZBX_DATASENDER_AVAILABILITY     0x0001

#define ZBX_DATASENDER_HISTORY          0x0002

#define ZBX_DATASENDER_DISCOVERY        0x0004

#define ZBX_DATASENDER_AUTOREGISTRATION     0x0008

#define ZBX_DATASENDER_TASKS            0x0010

#define ZBX_DATASENDER_TASKS_RECV       0x0020

#define ZBX_DATASENDER_TASKS_REQUEST        0x8000

​

#define ZBX_DATASENDER_DB_UPDATE    (ZBX_DATASENDER_HISTORY | ZBX_DATASENDER_DISCOVERY |        \

                    ZBX_DATASENDER_AUTOREGISTRATION | ZBX_DATASENDER_TASKS |    \

                    ZBX_DATASENDER_TASKS_RECV)

​

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

 *                                                                            *

 * Purpose: Get current history upload state (disabled/enabled)               *

 *                                                                            *

 * Parameters: buffer - [IN] the contents of a packet (JSON)                  *

 *                                                                            *

 * Return value: SUCCEED - processed successfully                             *

 *               FAIL - an error occurred                                     *

 *                                                                            *

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

static void get_hist_upload_state(const char *buffer, int *state)

{

    struct zbx_json_parse   jp;

    char            value[MAX_STRING_LEN];

​

    if (NULL == buffer || '\0' == *buffer || SUCCEED != zbx_json_open(buffer, &jp))

        return;

​

    if (SUCCEED == zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_PROXY_UPLOAD, value, sizeof(value), NULL))

    {

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

            *state = ZBX_PROXY_UPLOAD_ENABLED;

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

            *state = ZBX_PROXY_UPLOAD_DISABLED;

    }

}

​

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

 *                                                                            *

 * Purpose: collects host availability, history, discovery, autoregistration  *

 *          data and sends 'proxy data' request                               *

 *                                                                            *

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

static int  proxy_data_sender(int *more, int now, int *hist_upload_state)

{

    static int      data_timestamp = 0, task_timestamp = 0, upload_state = SUCCEED;

​

    zbx_socket_t        sock;

    struct zbx_json     j;