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.

**/

​

/* Enable wide (64-bit) interfaces for narrow (32-bit) applications (see pstat(2) for details). */

/* Without this on some HP-UX systems you can get runtime error when calling pstat_getproc(): */

/* Value too large to be stored in data type */

#ifndef _PSTAT64

#   define _PSTAT64

#endif

​

#include "common.h"

#include "sysinfo.h"

#include <sys/pstat.h>

#include "zbxregexp.h"

#include "log.h"

​

static int  check_procstate(struct pst_status pst, int zbx_proc_stat)

{

    if (ZBX_PROC_STAT_ALL == zbx_proc_stat)

        return SUCCEED;

​

    switch (zbx_proc_stat)

    {

        case ZBX_PROC_STAT_RUN:

            return PS_RUN == pst.pst_stat ? SUCCEED : FAIL;

        case ZBX_PROC_STAT_SLEEP:

            return PS_SLEEP == pst.pst_stat ? SUCCEED : FAIL;

        case ZBX_PROC_STAT_ZOMB:

            return PS_ZOMBIE == pst.pst_stat ? SUCCEED : FAIL;

    }

​

    return FAIL;

}

​

int PROC_NUM(AGENT_REQUEST *request, AGENT_RESULT *result)

{

#define ZBX_BURST   ((size_t)10)

​

    char            *procname, *proccomm, *param;

    struct passwd       *usrinfo;

    int         proccount = 0, invalid_user = 0, zbx_proc_stat, count, idx = 0;

    struct pst_status   pst[ZBX_BURST];

​

    if (4 < request->nparam)

    {

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

        return SYSINFO_RET_FAIL;

    }

​

    procname = get_rparam(request, 0);

    if (NULL != procname && '\0' == *procname)

        procname = NULL;

​

    param = get_rparam(request, 1);

    if (NULL != param && '\0' != *param)

    {

        errno = 0;

​

        if (NULL == (usrinfo = getpwnam(param)))

        {

            if (0 != errno)

            {

                SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot obtain user information: %s",

                            zbx_strerror(errno)));

                return SYSINFO_RET_FAIL;

            }

​

            invalid_user = 1;

        }

    }

    else

        usrinfo = NULL;

​

    param = get_rparam(request, 2);

    if (NULL == param || '\0' == *param || 0 == strcmp(param, "all"))