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Fixed padding autodetection

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digmorepaka 2020-02-28 11:15:19 +01:00 committed by GitHub
parent 925845071c
commit 1debf6337f
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1 changed files with 5 additions and 5 deletions
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8
start.sh
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@ -29,8 +29,8 @@ bios=$(dmidecode -t bios | grep -i version | awk {'print $2'})
machine=$(dmidecode -t system | grep -i "Family" | awk {'print $3$4'}) machine=$(dmidecode -t system | grep -i "Family" | awk {'print $3$4'})
version=$(dmidecode -t bios | grep -i "Version" | awk {'print $3'} | sed 's/(//g' | sed 's/\.//g') version=$(dmidecode -t bios | grep -i "Version" | awk {'print $3'} | sed 's/(//g' | sed 's/\.//g')
valid="false" valid="false"
flashsize=$(/root/flashrom/flashrom -p internal:laptop=force_I_want_a_brick --ifd -i bios -N -r /tmp/backup.rom > /dev/null && du -h /tmp/backup.rom | sed "s/[^0-9]//g") flashsize=$(/root/flashrom/flashrom -p internal:laptop=force_I_want_a_brick --ifd -i bios -N -r /tmp/backup.rom > /dev/null && du /tmp/backup.rom | sed "s/[^0-9]//g")
padding=$(expr $flashsize - 4) padding=$(expr $flashsize - 4096)
# Check if BIOS version is valid # Check if BIOS version is valid
case $machine in case $machine in
@ -75,7 +75,7 @@ if [ $(/root/chipsec/chipsec_main.py -m common.bios_wp | sed 's/\n//g' | grep -c
exit 1 exit 1
elif [ $valid == "false" ]; then elif [ $valid == "false" ]; then
echo -e "\e[1;32mBIOS no longer write-protected! Your machine is compatible but unsupported. Please report the following details as a GitHub issue:" echo -e "\e[1;32mBIOS no longer write-protected! Your machine is compatible but unsupported. Please report the following details as a GitHub issue:"
echo -e "Machine: $machine\nBIOS: $bios\nVersion: $(dmidecode -t bios | grep -i "Version" | awk {'print $3'} | sed 's/(//g')\nFlashsize: $flashsize M\e[0m" echo -e "Machine: $machine\nBIOS: $bios\nVersion: $(dmidecode -t bios | grep -i "Version" | awk {'print $3'} | sed 's/(//g')\nFlashsize: $flashsize \e[0m"
read -p "Press Enter to exit the script." read -p "Press Enter to exit the script."
exit 1 exit 1
fi fi
@ -107,7 +107,7 @@ read -p "Press Enter key to begin flashing your jailbroken BIOS! Do NOT let the
echo -e "\e[1;32mFlashing BIOS...\e[0m" echo -e "\e[1;32mFlashing BIOS...\e[0m"
# pad the BIOS to 12MB or 16MB before flashing # pad the BIOS to 12MB or 16MB before flashing
dd if=/dev/zero of=/root/bios/pad bs=1M count=$padding dd if=/dev/zero of=/root/bios/pad bs=1 count=$padding
cat /root/bios/pad /root/bios/$machine.rom > /root/bios/rom.temp cat /root/bios/pad /root/bios/$machine.rom > /root/bios/rom.temp
/root/flashrom/flashrom -p internal:laptop=force_I_want_a_brick -w /root/bios/rom.temp --ifd -i bios -N /root/flashrom/flashrom -p internal:laptop=force_I_want_a_brick -w /root/bios/rom.temp --ifd -i bios -N