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samcheck
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samcheck
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#!/data/data/com.termux/files/usr/bin/bash
# -------------------------------------
# Helper script for samloader on Termux
# Github: lekron42
# Version: v1.03
# -------------------------------------
show_usage() {
echo "This script automates firmware downloading using samloader"
echo -e "Usage: $(basename $(readlink -f $0)) [argument]\n"
echo "Arguments:"
echo " -f|--force : Force update even if no new version is found"
echo " -r|--repair : Update samloader to fix download failure"
echo " -h|--help : Show this help"
exit 0
}
update_samloader() {
{ proceed=$(pip3 uninstall samloader | tee /dev/fd/5); } 5>&1
if [ $(echo "$proceed" | grep -c "Successfully") -gt 0 ]; then
pip3 install git+https://github.com/nlscc/samloader.git
echo "Successfully reinstalled samloader."
else
echo "Uninstalling cancelled.."
fi
exit 0
}
if [ $(echo "$0" | grep -c "termux") -eq 0 ]; then
echo "Script not executed in Termux! Exiting.." 1>&2
exit 1
fi
if [ $# -eq 1 ]; then
case "$1" in
-h|--help)
show_usage
;;
-f|--force)
force_download=true
;;
-r|--repair)
update_samloader
;;
*)
echo "Incorrect input!" 1>&2
show_usage
;;
esac
elif [ $# -gt 1 ]; then
echo "Only 1 argument supported. $# given." 1>&2
exit 1
fi
i_python=$(pkg list-installed "python" 2> /dev/null | grep -c "installed")
i_git=$(pkg list-installed "git" 2> /dev/null | grep -c "installed")
if [ "$i_python" -eq 0 ] && [ "$i_git" -eq 0 ]; then
echo "Python and Git are not installed but required.."
read -p "Install now? (y/N) " r_pg
case "$r_pg" in
y|Y) ;;
*) exit 0;;
esac
apt-get update
pkg install python git
if [ $? -ne 0 ]; then
echo "Failed to install python and/or git!" 1>&2
exit 1
fi
elif [ "$i_python" -eq 0 ]; then
echo "Python is required but not installed.."
read -p "Install now? (y/N) " r_p
case "$r_p" in
y|Y) ;;
*) exit 0;;
esac
apt-get update
pkg install python
if [ $? -ne 0 ]; then
echo "Failed to install python!" 1>&2
exit 1
fi
elif [ "$i_git" -eq 0 ]; then
echo "Git is required but not installed.."
read -p "Install now? (y/N) " r_g
case "$r_g" in
y|Y) ;;
*) exit 0;;
esac
apt-get update
pkg install git
if [ $? -ne 0 ]; then
echo "Failed to install git!" 1>&2
exit 1
fi
fi
if [ $(pip3 list 2> /dev/null | grep -c "samloader") -eq 0 ]; then
echo "Samloader is required but not installed.."
read -p "Install now? (y/N) " r_install
case "$r_install" in
y|Y) ;;
*) exit 0;;
esac
pip3 install git+https://github.com/nlscc/samloader.git
fi
model="$(getprop 'ro.product.model')"
region="$(getprop 'ro.csc.sales_code')"
current_pda="$(getprop 'ro.system.build.version.incremental')"
current_csc="$(getprop 'ro.omc.build.version')"
echo -e "- Device:\t$model / $region"
latest_version="$(samloader -m $model -r $region checkupdate)"
latest_pda="$(echo $latest_version | cut -d/ -f1)"
latest_csc="$(echo $latest_version | cut -d/ -f2)"
echo -e "- Installed:\t$current_pda/$current_csc"
echo -e "- Latest:\t$latest_pda/$latest_csc"
echo "---------------"
if [ "$current_pda" = "$latest_pda" ] && [ "$current_csc" = "$latest_csc" ]; then
if [ ! "$force_download" = true ]; then
echo "No new version found! Use --force to download anyway.."
exit 0
fi
fi
read -p "Download? (y/N) " r_download
case "$r_download" in
y|Y) ;;
*) exit 0;;
esac
while true; do
read -p "Please enter an absolute path to save the file to after downloading (e.g. \"/sdcard/\"): " r_path
parse_f=$(echo "$r_path" | head -c 1)
parse_l=$(echo "$r_path" | tail -c 2)
if [ "$parse_f" = "\"" ] || [ "$parse_l" = "\"" ]; then
echo "Please enter path again without quotes!" 1>&2
else
if [ "$parse_l" != "/" ]; then
r_path="$r_path/"
fi
if [ -e "$r_path" ]; then
break
else
echo "Path not valid! Please try again.." 1>&2
fi
fi
done
touch "$r_path.samcheck" 2> /dev/null
if [ $? -ne 0 ]; then
echo "Permission denied! Running \"termux-setup-storage\".." 1>&2
echo "Waiting for storage permission.."
sleep 1
termux-setup-storage
count=0
while true; do
touch "$r_path.samcheck" 2> /dev/null
if [ $? -eq 0 ]; then
break
fi
let count++
if [ "$count" -gt 30 ]; then
echo "Operation timed out!" 1>&2
exit 1
fi
sleep 1
done
fi
if [ -e "$r_path.samcheck" ]; then
rm -f "$r_path.samcheck"
fi
echo "Downloading..."
filename="$(samloader -m $model -r $region download -v $latest_version -O $r_path/. | cut -d' ' -f2)"
size=$(wc -c "$r_path$filename" | cut -d' ' -f1)
if [ "$size" -lt 4500000000 ]; then
echo -e "\n\nDownload failed.." 1>&2
echo "Please use $(basename $(readlink -f $0)) --repair.\n" 1>&2
exit 1
fi
echo "Downloading finished!"
encr_protocol="$(echo $filename | tail -c 2)"
input="$r_path/$filename"
output="$r_path/$(echo $filename | cut -d. -f1-2)"
echo "Decrypting..."
samloader -m "$model" -r "$region" decrypt -v "$latest_version" -V "$encr_protocol" -i "$input" -o "$output"
echo "Decrypting finished!"
if [ -e "$input" ]; then
rm "$input"
fi
echo "Done! Output:"
echo "$r_path$(echo $filename | cut -d. -f1-2)"
exit 0