cleaninty_ctr_json_from_essential_exefs.sh

#!/usr/bin/env bash

BOOT9=~/.3ds/boot9.bin

if [[ ! "$1" =~ ^- ]]; then
    ESSENTIAL="$1"
    shift
    ARGC=$#
else
    ESSENTIAL="${@:$#}"
    ARGC=$(($#-1))
fi
if [[ "$ESSENTIAL" =~ ^https?:// ]]; then
    TMP=$(mktemp)
    curl -s -o $TMP "$ESSENTIAL"
    ESSENTIAL=$TMP
fi
if [[ ! -f "$ESSENTIAL" ]]; then
    echo "essential.exefs doesn't exist"
    exit 1
fi
if [[ $(stat -c %s "$ESSENTIAL") != "8704" ]] && [[ $(stat -c %s "$ESSENTIAL") != "3584" ]]; then
    echo "essential.exefs is invalid"
    exit 1
fi
if [[ $(stat -c %s "$ESSENTIAL") == "3584" ]]; then
    echo "Warning: essential.exefs is only 3.5KiB, no hwcal included, outdated godmode9?"
fi
OTP=$(mktemp)
SEC=$(mktemp)
dd if="$ESSENTIAL" of=$OTP bs=1 skip=3072 count=256 status=none # 0xC00, 0x100
dd if="$ESSENTIAL" of=$SEC bs=1 skip=1024 count=273 status=none # 0x400, 0x111
SERIAL="$(dd if=$SEC bs=1 skip=258 count=11 status=none | tr -d '\0')"
echo "$SERIAL"
cleaninty ctr --boot9 $BOOT9 GenJson --otp $OTP --secureinfo $SEC "${@:1:ARGC}"
echo "$SERIAL"
if [[ -n "$TMP" ]]; then rm $TMP; fi
rm $OTP $SEC