Gets eMMC info for e.g. Micro SD cards to generate info about possible genuine status

getcardinfo.sh

#!/usr/bin/env bash

NC='\033[0m' ;
RED='\033[1;31m' ;
GRN='\033[1;32m' ;

# Get OEM ID and Manufacturer IDs
oemid=$(cat '/sys/block/mmcblk0/device/oemid') ;
manfid=$(cat '/sys/block/mmcblk0/device/manfid') ;
oemid_ascii=$(echo -e "\x${oemid:2:2}\x${oemid:4:2}") ;

printf "         OEM ID: ${oemid} ($oemid_ascii)\n" ;
printf "Manufacturer ID: ${manfid}\n\n" ;

if [[ "${oemid}" == "0x4144" && "${manfid}" == "0x00001d" ]] || \
   [[ "${oemid}" == "0x5449" && "${manfid}" == "0x00009f" ]] || \
   [[ "${oemid}" == "0x4245" && "${manfid}" == "0x000028" ]] || \
   [[ "${oemid}" == "0x5041" && "${manfid}" == "0x000001" ]] || \
   [[ "${oemid}" == "0x5048" && "${manfid}" == "0x000027" ]] || \
   [[ "${oemid}" == "0x534d" && "${manfid}" == "0x00001b" ]] || \
   [[ "${oemid}" == "0x5344" && "${manfid}" == "0x000003" ]] || \
   [[ "${oemid}" == "0x5350" && "${manfid}" == "0x000031" ]] || \
   [[ "${oemid}" == "0x5446" && "${manfid}" == "0x000084" ]] || \
   [[ "${oemid}" == "0x544d" && "${manfid}" == "0x000002" ]] || \
   [[ "${manfid}" == "0x000074" && ( "${oemid}" == "0x4a45" || "${oemid}" == "0x004a" || "${oemid}" == "0x4a00" ) ]] ; then
  printf "${GRN}Card likely genuine!${NC}\n\n" ;
else
  printf "${RED}Card suspect!${NC} (or I just don't have its IDs in yet)\n\n" ;
fi

mmc_path=$(command -v mmc)
if [[ -z "${mmc_path}" ]] ; then
  cat <<EOF
mmc not found. For extended info, please install mmc-utils:
sudo apt install mmc-utils
EOF
  exit 1 ;
fi

mmc cid read /sys/block/mmcblk0/device ;
mmc csd read /sys/block/mmcblk0/device ;
mmc scr read /sys/block/mmcblk0/device ;

exit 0 ;