salt

#!/bin/bash
##################################################################################
#
# SALT - [S]teadfasterX [A]ll-in-one [L]G [T]ool
#
# Copyright (C): 2017-2023, steadfasterX <steadfasterX [AT] gmail [DOT] com>
#
# Starter for SALT
#
##################################################################################

# the vars for SALT
VARS="${0%/*}/salt.vars"
source $VARS
[ $? -ne 0 ] && "ERROR: Missing requirement <$VARS>." && exit 3

# the functions for the lglaf GUI
FUNCS="${0%/*}/salt.func"
source $FUNCS 
[ $? -ne 0 ] && "ERROR: Missing requirement <$FUNCS>." && exit 3

# perms
chown $REALUSER $LOG 2>&1 >> /dev/null
chown -R $REALUSER $LAFPATH $KDZTOOLS $SDATPATH 2>&1 >> /dev/null

# start logging
[ -f "$LOG" ] && echo "backing up old logfile...." && cp -f $LOG ${LOG}.old
echo -e "$(date '+%F %T'): Starting $TNAME v${VERSION}!\n****************************************************\n" > $LOG

# check requirements:
[ ! -x $YAD ] && F_ELOG "FATAL ERROR!! Missing requirement <yad>. Install YAD and try again!" && F_EXIT "no-YAD" 3 full
if [ ! -x $LAFTERM ];then F_MSGE 700 "Missing X terminal (usually xterm).\n  Install $LAFTERM or check salt.vars file."; F_EXIT "no-xterm" 3 full; fi 
if [ ! -x $GIT ];then no-git 3 "\n  ERROR!\n\n  Missing GIT client.\n  Install $GIT or check salt.vars file." ; F_EXIT "no-git" 3 full; fi 
if [ ! -x $FBBIN ];then F_MSGE 700 "Missing fastboot!\nInstall $FBBIN first (or better directly consider to use mAid Linux...)!"; F_EXIT "no-fb" 3 full; fi 

$PYTHONBIN -c "import zstandard"
if [ $? -ne 0 ];then F_MSGE 500 "FATAL ERROR!! Missing requirement\n\n  <b>python-zstandard (python3)</b>\n\nRead the SALT thread for how to install and try again!" ; F_EXIT "no-zstd" 3 full;fi

$PYTHONBIN -c "import cryptography"
if [ $? -ne 0 ];then F_MSGE 500 "FATAL ERROR!! Missing requirement\n\n  <b>python cryptography module (python3)</b>\n\nRead the SALT thread for how to install and try again!" ; F_EXIT "no-crypto" 3 full;fi

# set full command for restarting properly 
export FULLCMD="$0 $@"

# check root:
ME=$(id -u)
if [ "$ME" -ne 0 ];then
    echo -e '\nI need more POWER! If asked now type in your sudo password to restart with root perms (wait 20s or press CTRL+C to abort)'
    sudo $FULLCMD &
    sleep 20s
    F_LOG "no-root mode ending now"
    exit 0
fi

# check if we are alone
F_EGO

# catch ctrl+c for a clean exit
trap "F_EXIT 'ctrl+c pressed' 0 full" SIGINT

# check freshness
F_VCHK

# remove any previous working path
rm -rf $USUTMPDIR

# check the base:
if [ ! -d "$LAFPATH" ];then
    F_ELOG "First start of SALT? Expected LG LAF NG here: $LAFPATH"
    DLLAF=$(F_MSG 400 "\n  First start of SALT?\n\n  Expected <b><u>lglaf</u></b> here:\n  ${LAFPATH}\n\n  but it is missing..\n\n  Should I download it for you now?" "--button=Yes:0 --button=Abort:1")
    #DLLAF=$MERR
    if [ "$DLLAF" -eq 0 ];then
        $GIT clone --progress $LAFGIT $LAFPATH 2>&1 | $FYAD --title="$YTITLE - UPDATING" --text="\n  <b>Installing LGLAF ...</b>\n" --height=600 --width=700 --text-info --listen --tail --button=Close
    else
        F_ERR lafupdate $DLLAF "\n  Without this SALT will not work!\n  ABORTED. \n"
    fi
fi
if [ ! -d "$KDZTOOLS" ];then
    F_ELOG "First start of SALT? Expected kdztools here: $KDZTOOLS"
    DLKDZ=$(F_MSG 400 "\n  First start of SALT?\n\n  Expected <b><u>kdztools</u></b> here:\n  ${KDZTOOLS}\n\n  but it is missing..\n\n  Should I download it for you now?" "--button=Yes:0 --button=Abort:1")
    if [ "$DLKDZ" -eq 0 ];then
        $GIT clone --progress $KDZGIT $KDZTOOLS 2>&1 | $FYAD --title="$YTITLE - UPDATING" --text="\n  <b>Installing kdztools ...</b>\n" --width=700 --height=600 --text-info --listen --tail --button=Close
    else
        F_ERR ktoolsupdate $DLKDZ "\n  Without this SALT will not work!\n  ABORTED. \n"
    fi
fi
if [ ! -d "$SDATPATH" ];then
    F_ELOG "First start of SALT? Expected sdat2img here: $SDATPATH"
    DLSDAT=$(F_MSG 400 "\n  First start of SALT?\n\n  Expected <b><u>sdat2img</u></b> here:\n  ${SDATPATH}\n\n  but it is missing..\n\n  Should I download it for you now?" "--button=Yes:0 --button=Abort:1")
    if [ "$DLSDAT" -eq 0 ];then
        $GIT clone --progress $SDATGIT $SDATPATH 2>&1 | $FYAD --title="$YTITLE - UPDATING" --text="\n  <b>Installing sdat2img ...</b>\n" --width=700 --height=600 --text-info --listen --tail --button=Close
    else
        F_LOG "sdat2imgsupdate $DLSDAT  Without this SALT will not fully work"
    fi
fi

# collect some sys info
F_LOG "OS: $(cat /etc/*-release)"
F_LOG "OS (lsb): $(lsb_release -a)"
F_LOG "yad: $(yad --version)"
F_LOG "summary:\n $(hostnamectl status |grep -v ID)\n"

# check if device in dl mode connected
DEVCON=99
while [ $DEVCON -ne 0 ];do
    [ $DEVCON -eq 11 ] && break
    F_LOG "DEVCON before: $DEVCON"
    F_CHKDEVCON
    DEVCON=$?
    # skip=11, retry=22, connected=0
    F_LOG "DEVCON after: $DEVCON"
done

# check how we get started
EXPERIMENTAL=$(echo "$@"|grep -c experimental)
F_LOG "EXPERIMENTAL: $EXPERIMENTAL"

case $CRMODE in
    Auto)export CRBTN="Force CR";;
    yes)export CRBTN="Force no CR";;
    no)export CRBTN="Set CR Auto";;
esac

# main func
F_MAIN(){
    if [ $DEVCON -ne 11 ];then
        DEVINF=$(F_GETINFO)
        for i in $DEVINF;do
            case "${i/:*/}" in
                imei|serial) F_LOG "parsing ${i/:*/}:xxxxxxxxxxx" ;;
                *)           F_LOG "parsing ${i/*:/}" ;;
            esac
            case ${i/:*/} in
                usu)
                LGUSUA=$(echo "${i}"|cut -d ":" -f2)
                USUMODEL=$(echo "${i}"|cut -d ":" -f3)
                export LGUSU="no"
                [ "$LGUSUA" == "1" ] && export LGUSU="yes"
                ;;
                arb)
                DEVARBVAL=$(echo ${i}| cut -d ":" -f 2)
                DEVARBEMPT=$(echo ${i}| cut -d ":" -f 3)
                if [ "$DEVARBEMPT" == "0" ];then
                    DEVARB=$DEVARBVAL
                else
                    DEVARB="ARB_unknown"
                fi
                ;;
                lafver) export LAFVER=${i/*:/};;
                imei) LGIMEI=${i/*:/};;
                serial) LGSERIAL=${i/*:/};;
                target_operator) LGOPER=${i/*:/};;
                usu_model) USUMODEL=${i/*:/};;
                romcomp) ROMCOMP=${i/*:/};;
                battery_level) LGBATT=${i/*:/};;
                model_name) LGMODEL=${i/*:/};;
                device_sw_version) LGSWV=${i/*:/};;
                secure_device) LGSEC=${i/*:/};;
                device_factory_version) LGFACV="$(echo ${i/*:/} | sed 's/^-/x/g')";;
                target_country) LGCOUNTRY=${i/*:/};;
                *) F_ELOG "unknown parameter: $i" ;;
            esac
        done
    fi
    [ -z $LAFVER ] && export LAFVER=no_device_found
    [ -z $LGUSUA ] && export LGUSU=no_device_found
    [ -z $LGIMEI ] && LGIMEI=no_device_found
    [ -z $LGSERIAL ] && LGSERIAL=no_device_found
    [ -z $LGOPER ] && LGOPER=no_device_found
    [ -z $LGMODEL ] && LGMODEL=no_device_found
    [ -z $LGSWV ] && LGSWV=no_device_found 
    [ -z $LGFACV ] && LGFACV=no_info_found
    [ -z $LGCOUNTRY ] && LGCOUNTRY=no_device_found
    [ -z $LGSEC ] && LGSEC=no_device_found
    [ -z $LGBATT ] && LGBATT=no_device_found
    [ -z $ROMCOMP ] && ROMCOMP=no_device_found
    [ -z $DEVARB ] && DEVARB=no_ARB_info_found
    # overwrite model definition when UsU and model info available
    [ ! -z $USUMODEL ] && LGMODEL=$USUMODEL && LGSERIAL=${LGSERIAL/LGLS991/$LGMODEL}

    F_LOG "Detected stuff:\nDEVCON=$DEVCON\nLAFVER=$LAFVER\nLGUSU=$LGUSU\nLGSERIAL=$LGSERIAL\nLGOPER=$LGOPER\nLGMODEL=$LGMODEL\nLGSWV=$LGSWV\nLGFACV=$LGFACV\nLGCOUNTRY=$LGCOUNTRY\nLGSEC=$LGSEC\nLGBATT=$LGBATT\nROMCOMP=$ROMCOMP\nDEVARB=$DEVARB"

    # make the decision whcih features should be enabled in the main GUI    
    #TODO: test all flash parts again then we can enable that one: if [ "$LAFVER" == "1000001" ]||[ $EXPERIMENTAL -eq 1 ];then FLASHMENU=1; else FLASHMENU=0;fi
    #if [ "$LAFVER" == "1000001" ]||[ $EXPERIMENTAL -eq 1 ];then FLASHMENU=0; else FLASHMENU=0;fi
    if [ $DEVCON -eq 0 ];then
        if [ "$LAFVER" != "1000001" ] && [ $EXPERIMENTAL -ne 1 ];then

            shopt -s extglob
            case $LGMODEL in
                ${LGG4})
                    F_MSGW 700 "Your LAF firmware ($LAFVER / $LGMODEL) does <b>not</b> support direct flashing!\n\nFlashing functionality <b>disabled</b>!\n\nActivate flashing functionality by flashing a SALT compatible LAF partition.\nDownload it right here for <b>any</b> G4 model (requires an unlocked device + TWRP):\n\n<a href='https://www.androidfilehost.com/?fid=818070582850495147'>SALT-compatible-LAF_flash-in-twrp.zip (click here)</a>\n\nYou can still use many of the features SALT offering - just not the flashing part.\n\nThis does <b>NOT</b> affect unlocking the G4!\n<b>Just go on</b> if you want to UsU.." "--fixed --height=300"
                ;;
            esac
            F_LOG "Flashing functionality disabled bc: LAFVER = $LAFVER and/or EXPERIMENTAL = $EXPERIMENTAL"
            FLASHMENU=0
        else
            #ATM: DISABLED! WITHOUT EXPERIMENTAL FLAG NO WAY TO OPEN IT
            # FLASHMENU=1
            FLASHMENU=0
            F_LOG "Flashing functionality enabled bc: LAFVER = $LAFVER and/or EXPERIMENTAL = $EXPERIMENTAL"
            F_LOG "HINT: Flashing temporarly NOT auto enabled (until all tests finished)!"
        fi
    else
            F_LOG "Flashing functionality disabled bc: DEVCON = $DEVCON (no device found and skipped pressed)"
            FLASHMENU=0
    fi

    # main SALT screen depends on experimental flag .. and LAF version .. and model
    if [ $FLASHMENU -eq 0 ]&&[ $EXPERIMENTAL -ne 1 ];then
        shopt -s extglob
        case $LGMODEL in
            ${LGG4})
                F_LOG "$FUNCNAME: starting G4 menu"
                $FYAD --title="$YTITLE" --width=1100 --height=620 --scroll --image="$SICONS/salt_logo_128x128.png" --text "\n  <b>$TFULLNAME</b>\n  SALT is a replacement for the windows software LGUP (plus MANY more features!) and brought to you by <b>steadfasterX</b>\n  <a href='https://forum.xda-developers.com/t/tool-locked-unlocked-salt-the-lg-up-revolution-begins.3717864/'>(click here to open the official SALT thread)</a>\n\n  <b>The following comes directly from your device:</b>\n  (<i>\"no_device_found\"</i> if no device connected)\n" \
                --form --columns=2 \
                --field="  Device model":RO $LGMODEL \
                --field="  Device+Version (by LAFd)":RO $LGSWV \
                --field="  Last STOCK version":RO "$LGFACV" \
                --field="  LAF protocol":RO $LAFVER \
                --field="  <span color='#ff0000'>REBOOT your device</span>":FBTN "$SALTPATH/reboot" \
                --field="  Battery level":RO $LGBATT \
                --field="  <span color=\'#ff0000\'>AntiRollBack</span>":RO $DEVARB \
                --field="  IMEI" $LGIMEI \
                --field="  Serial":RO $LGSERIAL \
                --field="  ADVANCED Menu!$SICONS/advanced_16x16.png!This contains tools not for the average user!":FBTN "bash -c 'F_ADVMENU $LGMODEL $ROMCOMP $LGOPER $LGCOUNTRY $LGUSU'" \
                true \
                --buttons-layout=spread \
                --button="!$SICONS/update_48x48.png!Updating SALT (kdztools, lglaf, SALT)":"bash -c F_UPDATE" \
                --button="  Backup!$SICONS/backup.png!Make a full or basic backup while in download mode":"bash -c F_BACKUP" \
                --button="Extract KDZ!$SICONS/extract_48x48.png!Extract a KDZ file. If you want to flash choose Extract+Flash instead":"bash -c F_STARTKDZ"
            ;;
            *)
            F_LOG "$FUNCNAME: starting non-G4 menu"
            $FYAD --title="$YTITLE" --width=1100 --height=620 --scroll --image="$SICONS/salt_logo_128x128.png" --text "\n  <b>$TFULLNAME</b>\n  SALT is a replacement for the windows software LGUP (plus MANY more features!) and brought to you by <b>steadfasterX</b>\n  <a href='https://forum.xda-developers.com/t/tool-locked-unlocked-salt-the-lg-up-revolution-begins.3717864/'>(click here to open the official SALT thread)</a>\n\n  <b>The following comes directly from your device:</b>\n  (<i>\"no_device_found\"</i> if no device connected)\n" \
                --form --columns=2 \
                --field="  Device model":RO $LGMODEL \
                --field="  Device+Version (by LAFd)":RO $LGSWV \
                --field="  Last STOCK version":RO "$LGFACV" \
                --field="  LAF protocol":RO $LAFVER \
                --field="  <span color='#ff0000'>REBOOT your device</span>":FBTN "$SALTPATH/reboot" \
                --field="  Battery level":RO $LGBATT \
                --field="  <span color=\'#ff0000\'>AntiRollBack</span>":RO $DEVARB \
                --field="  IMEI" $LGIMEI \
                --field="  Serial":RO $LGSERIAL \
                --field="  ADVANCED Menu!$SICONS/advanced_16x16.png!This contains tools not for the average user!":FBTN "bash -c 'F_ADVMENU $LGMODEL $ROMCOMP $LGOPER $LGCOUNTRY $LGUSU'" \
                true \
                --buttons-layout=spread \
                --button="!$SICONS/update_48x48.png!Updating SALT (kdztools, lglaf, SALT)":"bash -c F_UPDATE" \
                --button="  Backup!$SICONS/backup.png!Make a full or basic backup while in download mode":"bash -c F_BACKUP" \
                --button="Extract KDZ!$SICONS/extract_48x48.png!Extract a KDZ file. If you want to flash choose Extract+Flash instead":"bash -c F_STARTKDZ"
            ;;
        esac
    else
        # when started with --experimental (will be removed one day)
        if [ $EXPERIMENTAL -eq 1 ]||[ $FLASHMENU -eq 1 ];then
            F_LOG "$FUNCNAME: starting experimental menu"
            $FYAD --title="$YTITLE" --width=1100 --height=620 --scroll --image="$SICONS/salt_logo_128x128.png" --text "\n  <b>$TFULLNAME</b>\n  SALT is a replacement for the windows software LGUP (plus MANY more features!) and brought to you by <b>steadfasterX</b>\n  <a href='https://forum.xda-developers.com/t/tool-locked-unlocked-salt-the-lg-up-revolution-begins.3717864/'>(click here to open the official SALT thread)</a>\n\n  <b>The following comes directly from your device:</b>\n  (<i>\"no_device_found\"</i> if no device connected)\n" \
              --form --columns=2 \
              --field="  Device model":RO $LGMODEL \
              --field="  Device+Version (by LAFd)":RO $LGSWV \
              --field="  Last STOCK version":RO "$LGFACV" \
              --field="  LAF protocol":RO $LAFVER \
              --field="  <span color='#ff0000'>REBOOT your device</span>":FBTN "$SALTPATH/reboot" \
              --field="  Battery level":RO $LGBATT \
              --field="  <span color='#ff0000'>AntiRollBack</span>":RO $DEVARB \
              --field="  IMEI" $LGIMEI \
              --field="  Serial":RO $LGSERIAL \
              --field="  ADVANCED Menu!$SICONS/advanced_16x16.png!This contains tools not for the average user!":FBTN "bash -c 'F_ADVMENU $LGMODEL $ROMCOMP $LGOPER $LGCOUNTRY $LGUSU'" \
              true \
              --buttons-layout=spread \
              --button="!$SICONS/update_48x48.png!Updating SALT (kdztools, lglaf, SALT)":"bash -c F_UPDATE" \
              --button="  Backup!$SICONS/backup.png!Make a full or basic backup while in download mode":"bash -c F_BACKUP" \
              --button="Extract KDZ!$SICONS/extract_48x48.png!Extract a KDZ file. If you want to flash choose Extract+Flash instead":"bash -c F_STARTKDZ" \
              --button="Flash (folder)!$SICONS/flash_48x48.png!This will flash one or multiple partitions from any folder (e.g. from a previous backup)":"bash -c F_FLASHPART"\
              --button=" Flash (kdz)!$SICONS/flashkdz_70x48.png!Extract and Flash like LGUP would do":"bash -c F_STARTKDZFL" 
        else
            F_LOG "ERROR dont know which GUI should be used... :("
        fi
    fi
}
F_MAIN

F_EXIT "main->end" 0 full