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View File Name : CheckSystemType

#!/bin/sh
###############################################################################
#
#          Dell Inc. PROPRIETARY INFORMATION
#
#  This software is supplied under the terms of a license agreement or
#  nondisclosure agreement with Dell Inc. and may not
#  be copied or disclosed except in accordance with the terms of that
#  agreement.
#
#  Copyright (c) 2000-2022 Dell Inc. All Rights Reserved.
#
#
#  Revision:
#    $Revision: $
#
#  Last Modified By / On:
#    $Author: $ / $Date: $
#
#  Author:
#    OpenManage Install
#
#  Environment:
#    Linux
#
#  User/Kernel Mode:
#    User
#
#  Abstract/Purpose:
#    Functions used by OM components to decide the type of system.
#
#  See Also:
#
#
#  Notes:
#
#
###############################################################################
export LANG=en_US.utf8

TRUE=0
FALSE=1
NON_DELL=1
LOWER_GENERATION=2
CLIENT_SYSTEM=3
SUPPORTED_DELL_SERVER=0
SYSCHECK_OVERRIDE_FILE="/opt/dell/srvadmin/lib64/openmanage/IGNORE_GENERATION"
MIN_12G_SYSID_HEX=0x048C
GBL_MIN_SYSID=016C

DMIDECODE_UTIL=/usr/sbin/dmidecode
CLIENT_SYSTEM_LIST=/opt/dell/srvadmin/share/srvadmin-omilcore/ClientSystemList.txt
SYSTEM_LIST=/opt/dell/srvadmin/share/srvadmin-omilcore/syslist.txt

# Check whether this utility is executed by install scripts.
# If so, SMBIOS_UTIL & CLIENT_SYSTEM_LIST have to be picked from a
# different location
if [ -n "$1" ] && [ -n "$2" ] && [ -d "$2" ]; then
   if [ "$1" == "dvd" ] || [ "$1" == "DVD" ]; then
         # Getting executed from install script.
         SUPPORT_DIR=`echo "$2" | sed "s/ /\\\ /"`
         CLIENT_SYSTEM_LIST="$SUPPORT_DIR/ClientSystemList.txt"
         SYSTEM_LIST="$SUPPORT_DIR/syslist.txt"
   fi
fi

#use OM_SYSTEM_ID if defined else find system id using smbios-util
if [ -n "${OM_SYSTEM_ID}" ]
then
        SYSID_HEX="0x${OM_SYSTEM_ID}"
else
        SYSID_STR=$($DMIDECODE_UTIL -t 208 | tail -3 | sed '2q;d')
        if [ "${SYSID_STR:20:2}" == "FE" ]; then
            SYSID_HEX=$(echo "0x${SYSID_STR:29:2}${SYSID_STR:26:2}")
        else
            SYSID_HEX=$(echo "0x${SYSID_STR:26:2}")
        fi
fi

SYSID=`echo $SYSID_HEX|sed 's/0x//g'|sed 's/ //g'`

#############
## CheckForOverride()
## Function to check whether override is enabled.
## If enabled, then return 0.
#############
CheckForOverride() 
{
   [ ! -f ${SYSCHECK_OVERRIDE_FILE} ] || return $TRUE
   [ "${IGNORE_GENERATION}" != "1" ] || return $TRUE
   return $FALSE
}

#############
## IsDELLSystem()
## Function to check whether it is a DELL system and then return 0.
## It can be a server or a client system
#############
IsDELLSystem() 
{
   $DMIDECODE_UTIL | grep "String 1" | awk -F":" '{print $2}' | grep -qi "Dell"
   if [ "$?" = "0" ]; then
       return $TRUE
   else
       return $FALSE
   fi
}

####################################
#Detect if the server is in supported server range
IsInSupportedServerRange()
{
        MIN_SYSID_HEX="0x$1"
        if [  "$2" != "" ]; then
                MAX_SYSID_HEX="0x$2"
        fi

        SYSID_DEC=`printf "%d"  $SYSID_HEX`

        MIN_SYSID_DEC=`printf "%d" $MIN_SYSID_HEX`

        if [ $SYSID_DEC -ge $MIN_SYSID_DEC ]; then
                if [ -n $MAX_SYSID_HEX ]; then
                        MAX_SYSID_DEC=`printf "%d" $MAX_SYSID_HEX`
                        if [ $SYSID_DEC -le $MAX_SYSID_DEC ]; then
                                return $TRUE
                        fi
                else
                        return $TRUE
                fi
        else
                return $FALSE
        fi
}


####################################
#Detect if the system id is in supported sysid list
IsInSupportedSystemIDs()
{
    grep -i "${SYSID}=" ${SYSTEM_LIST} > /dev/null 2>&1
    if [ $? -eq 0 ]; then
        return $TRUE
    fi

    MIN_SYSID=$GBL_MIN_SYSID
    MAX_SYSID=`grep -i "^<" ${SYSTEM_LIST}|sed "s#<##g" 2>/dev/null`
    if [ -n $MIN_SYSID ] ; then
        IsInSupportedServerRange $MIN_SYSID $MAX_SYSID && return $TRUE
    fi

    return $FALSE
}

#############
## IsClientSystem()
## Compares the product name with all client systems
## If any matches, then it is a client system and return TRUE.
#############
IsClientSystem()
{
    PRODUCT_NAME=$($DMIDECODE_UTIL -t 1 | grep  "Product Name" | awk -F":" '{print $2}')

    if [ -n "${PRODUCT_NAME}" ] && [ -f "$CLIENT_SYSTEM_LIST" ]; then
        for client_name in `cat "$CLIENT_SYSTEM_LIST"`
        do
            echo $PRODUCT_NAME | grep -qwi $client_name
            if [ "$?" = "0" ]; then
                return $TRUE
            fi
        done

        # Not a client system
        return $FALSE
    fi

    #Not able to find the product name
    #Assume it is a client system.
    return $TRUE
}

#############
## IsThisSupportedGeneration()
## Function to check whether it is a DELL server of supported generation.
## If yes, then return 0; else return 1.
#############
IsThisSupportedGeneration()
{
    CheckForOverride && return $SUPPORTED_DELL_SERVER

    if [ ! -x $DMIDECODE_UTIL ]; then
        echo "$DMIDECODE_UTIL does not exist. Not able to proceed."
        return $FALSE
    fi

    IsDELLSystem || return $NON_DELL

    IsInSupportedSystemIDs && return $SUPPORTED_DELL_SERVER

    IsClientSystem && return $CLIENT_SYSTEM

    return $LOWER_GENERATION
}