Zabbix

/*

** Copyright (C) 2001-2024 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 "ssh_run.h"

​

#include <libssh/libssh.h>

​

#include "zbxcomms.h"

#include "zbxfile.h"

#include "zbxstr.h"

#include "zbxtime.h"

​

#if !defined(HAVE_SSH_OPTIONS_KEY_EXCHANGE) && !defined(HAVE_SSH_OPTIONS_HOSTKEYS) && \

        !defined(HAVE_SSH_OPTIONS_CIPHERS_C_S) && !defined(HAVE_SSH_OPTIONS_CIPHERS_S_C) && \

        !defined(HAVE_SSH_OPTIONS_HMAC_C_S) && !defined(HAVE_SSH_OPTIONS_HMAC_S_C) && \

        !defined(HAVE_SSH_OPTIONS_PUBLICKEY_ACCEPTED_TYPES)

#define HAVE_NO_SSH_OPTIONS 1

#endif

​

/* the size of temporary buffer used to read from data channel */

#define DATA_BUFFER_SIZE    4096

​

#ifndef HAVE_NO_SSH_OPTIONS

static int  ssh_set_options(ssh_session session, enum ssh_options_e type, const char *key_str, const char *value,

        char **err_msg)

{

    int ret = SUCCEED;

​

    zabbix_log(LOG_LEVEL_DEBUG, "In %s() key_str:'%s' value:'%s'", __func__, key_str, value);

​

    if (0 > ssh_options_set(session, type, value))

    {

        *err_msg = zbx_dsprintf(NULL, "Cannot set SSH option \"%s\": %s.", key_str, ssh_get_error(session));

​

        ret = FAIL;

    }

​

    zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __func__, zbx_result_string(ret));

​

    return ret;

}

#endif

​

static int  ssh_parse_options(ssh_session session, const char *options, char **err_msg)

{

    int ret = SUCCEED;

    char    opt_copy[1024] = {0};

    char    *line, *saveptr;

​

    zbx_strscpy(opt_copy, options);

​

    for (line = strtok_r(opt_copy, ";", &saveptr); NULL != line; line = strtok_r(NULL, ";", &saveptr))