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 "zbxexpression.h"

#include "expression.h"

#include "datafunc.h"

​

#include "zbxdb.h"

#include "zbxvariant.h"

#include "zbxeval.h"

#include "zbxdbwrap.h"

#include "zbxcachevalue.h"

#include "zbxstr.h"

#include "zbxexpr.h"

#include "zbxparam.h"

#include "zbx_trigger_constants.h"

#include "zbx_expression_constants.h"

#include "zbxevent.h"

#include "zbxtime.h"

#include "zbxjson.h"

#include "zbxalgo.h"

#include "zbxinterface.h"

#include "zbxip.h"

​

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

 *                                                                            *

 * Purpose: formats full user name from name, surname and alias.              *

 *                                                                            *

 * Parameters: name    - [IN] user name, can be empty string                  *

 *             surname - [IN] user surname, can be empty string               *

 *             alias   - [IN] user alias                                      *

 *                                                                            *

 * Return value: the formatted user fullname.                                 *

 *                                                                            *

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

static char *format_user_fullname(const char *name, const char *surname, const char *alias)

{

    char    *buf = NULL;

    size_t  buf_alloc = 0, buf_offset = 0;

​

    zbx_strcpy_alloc(&buf, &buf_alloc, &buf_offset, name);

​

    if ('\0' != *surname)

    {

        if (0 != buf_offset)

            zbx_chrcpy_alloc(&buf, &buf_alloc, &buf_offset, ' ');

​

        zbx_strcpy_alloc(&buf, &buf_alloc, &buf_offset, surname);

    }

​

    if ('\0' != *alias)

    {

        size_t  offset = buf_offset;

​

        if (0 != buf_offset)

            zbx_strcpy_alloc(&buf, &buf_alloc, &buf_offset, " (");

​

        zbx_strcpy_alloc(&buf, &buf_alloc, &buf_offset, alias);

​

        if (0 != offset)

            zbx_chrcpy_alloc(&buf, &buf_alloc, &buf_offset, ')');

    }

​

    return buf;

}

​

/* macros that are supported in expression macro */

static const char   *expr_macros[] = {MVAR_HOST_HOST, MVAR_HOSTNAME, MVAR_ITEM_KEY, NULL};

​

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

 *                                                                            *

 * Purpose: request recovery event value by macro.                            *

 *                                                                            *

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

static void get_recovery_event_value(const char *macro, const zbx_db_event *r_event, char **replace_to,

        const char *tz)

{

    if (0 == strcmp(macro, MVAR_EVENT_RECOVERY_DATE))

    {

        *replace_to = zbx_strdup(*replace_to, zbx_date2str(r_event->clock, tz));