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 "zbxcommon.h"

​

#if defined(HAVE_SSH2) || defined(HAVE_SSH)

#include "zbxpoller.h"

#include "zbxcomms.h"

​

#include "ssh_run.h"

​

#include "zbxsysinfo.h"

​

int zbx_ssh_get_value(zbx_dc_item_t *item, const char *config_source_ip, const char *config_ssh_key_location,

        AGENT_RESULT *result)

{

    AGENT_REQUEST   request;

    int     ret = NOTSUPPORTED;

    const char  *port, *dns, *encoding, *ssh_options;

​

    zbx_init_agent_request(&request);

​

    if (SUCCEED != zbx_parse_item_key(item->key, &request))

    {

        SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid item key format."));

        goto out;

    }

​

#define SSH_RUN_KEY "ssh.run"

    if (0 != strcmp(SSH_RUN_KEY, get_rkey(&request)))

    {

        SET_MSG_RESULT(result, zbx_strdup(NULL, "Unsupported item key for this item type."));

        goto out;

    }

#undef SSH_RUN_KEY

​

    if (5 < get_rparams_num(&request))

    {

        SET_MSG_RESULT(result, zbx_strdup(NULL, "Too many parameters."));

        goto out;

    }

​

    if (NULL != (dns = get_rparam(&request, 1)) && '\0' != *dns)

    {

        zbx_strscpy(item->interface.dns_orig, dns);

        item->interface.addr = item->interface.dns_orig;

    }

​

    if (NULL == item->interface.addr || '\0' == *(item->interface.addr))

    {

        SET_MSG_RESULT(result, zbx_strdup(NULL,

                "SSH checks must have IP parameter or the host interface to be specified."));