A gm9 script to perform a Movable Moveover, including FixupMovable - https://wiki.hacks.guide/wiki/3DS:Movable_Moveover

MovableMoveover.gm9

# Movable Moveover script, now with less manual
# Powered by FixupMovable TM technology https://github.com/fox8091/FixupMovable
# For use in https://wiki.hacks.guide/wiki/3DS:Movable_Moveover
# Last edited: 2024-9-24
# Version: 1.3
# Script by: ItsCrocoSwine
if keychk SELECT #Hold Select to keep preview mode on, with fun colors!
	set PREVIEW_COLOR_COMMENT 32CD32 #Lime green
	set PREVIEW_COLOR_ACTIVE 5D3FD3 #Iris
	set PREVIEW_COLOR_CODE E37383 #Watermelon pink
else
	set PREVIEW_MODE "Movable Moveover\nVersion: 1.3"
end

ask "This script will do the following:\n- Create an essential files backup\n- Fixup a provided movable.sed\n- Copy fixed movable to CTRNAND\n \nIf you are ok with this\npress (A) to continue."

set MMMPATH 0:/gm9/out/MMM #Working path
set OUTPATH 0:/gm9/out/MMM_Backup #Path for backuping up files
rm -o -s $[MMMPATH]
mkdir -o -s $[MMMPATH]
mkdir -o -s $[OUTPATH]

#Find source movable
#Select a file
@FILE_SELECT
filesel -x "Select your movable.sed or essential.exefs:" 0:/* SOURCE_FILE
strsplit SOURCE_FILENAME $[SOURCE_FILE] /

#Check if its at least a .sed .exefs or .bin
if not strsplit SOURCE_FILE_EXT $[SOURCE_FILE] .
	if chk $[SOURCE_FILENAME] movable #reject no file extension, unless its exactly "movable"
		cp -w $[SOURCE_FILE] $[MMMPATH]/sourcemovable.sed
	else
		ask "Error: '$[SOURCE_FILENAME]' is\nnot a valid input file.\n \nPlease select a movable.sed, essential.exefs,\nor sysnand.bin from the source console."
		goto FILE_SELECT
	end
elif chk $[SOURCE_FILE_EXT] sed
	cp -w $[SOURCE_FILE] $[MMMPATH]/sourcemovable.sed
elif chk $[SOURCE_FILE_EXT] exefs
	fdummy -o -s $[MMMPATH]/sourcemovable.sed 140
	inject $[SOURCE_FILE]@600:140 $[MMMPATH]/sourcemovable.sed
elif chk $[SOURCE_FILE_EXT] bin
	fdummy -o -s $[MMMPATH]/sourcemovable.sed 140
	inject $[SOURCE_FILE]@800:140 $[MMMPATH]/sourcemovable.sed
else
	ask "Error: '$[SOURCE_FILENAME]' is\nnot a valid input file.\n \nPlease select a movable.sed, essential.exefs,\nor sysnand.bin from the source console."
	goto FILE_SELECT
end

#verify file integrity
fget $[MMMPATH]/sourcemovable.sed@0:4 SM_SEED
fget $[MMMPATH]/sourcemovable.sed@8:10 SM_BFMCHECK
if not shaget $[MMMPATH]/sourcemovable.sed@8:118 SM_SHA
	echo "Source movable.sed is invalid:\nmovable is unreadable"
	poweroff
elif chk -u $[SM_SEED] "53454544"
	echo "Source movable.sed is invalid:\nSEED is missing or corrupt\n \n(Is this even a movable?)"
	poweroff
elif chk $[SM_BFMCHECK] "00000000000000000000000000000000"
	echo "Source movable.sed is invalid:\nmovable is from seedminer"
	poweroff
end

if find 1:/private/movable.sed NULL
	fget 1:/private/movable.sed@0:4 PM_SEED
	fget 1:/private/movable.sed@5:1 PM_CMAC
	fget 1:/private/movable.sed@8:10 PM_BFMCHECK
	if not shaget 1:/private/movable.sed@8:118 PM_SHA
		echo "1:/private/movable.sed is unreadable\n \nAsk for help on Discord:\nhttps://discord.gg/MWxPgEp"
		poweroff
	elif chk -u $[PM_SEED] "53454544"
		echo "1:/private/movable.sed is invalid:\nSEED is missing or corrupt\n \nAsk for help on Discord:\nhttps://discord.gg/MWxPgEp"
		poweroff
	elif chk $[PM_BFMCHECK] "00000000000000000000000000000000"
		echo "1:/private/movable.sed is invalid:\nmovable is from seedminer\n \nAsk for help on Discord:\nhttps://discord.gg/MWxPgEp"
		poweroff
	end
else
	echo "1:/private/movable.sed is missing\n \nAsk for help on Discord:\nhttps://discord.gg/MWxPgEp"	
	poweroff
end

if find S:/essential.exefs NULL
	if not shaget S:/essential.exefs@0:100 NULL
		echo "S:/essential.exefs is unreadable\n \nAsk for help on Discord:\nhttps://discord.gg/MWxPgEp"
		poweroff
	end
else
	echo "S:/essential.exefs is missing\n \nAsk for help on Discord:\nhttps://discord.gg/MWxPgEp"	
	poweroff
end

#Compare source and private movable. If both are the same determine if FixupMovable is required.
if chk $[SM_SHA] $[PM_SHA]
	if chk $[PM_CMAC] 00
		echo "Error: Source movable is the same as in NAND\nFixupMovable is not required.\n \nIf you are trying to do a\nMovable Moveover then you chose\nthe wrong essential.exefs or movable.sed"
		poweroff
	else
		if not ask "Information: Source movable is the same as in NAND\nWould you like to run FixupMovable?\n \nNote: This is NOT a normal Movable Moveover\nand will NOT change your encryption key.\nIf you are not trying to fixup\na previous moveover, press (B) to cancel.\n \n Otherwise press (A) to continue."	
			echo "Script canceled\n \nPress (A) to power off."
			rm -o -s $[MMMPATH]
			poweroff
		end
	end
end

#Calculate and check for existence of ID0 for source movable
#Write sha file for KeyY
shaget $[MMMPATH]/sourcemovable.sed@110:10 $[MMMPATH]/KeyY.sha

#Get ID0 parts, reorder bytes, and combine
fget -e $[MMMPATH]/KeyY.sha@0:4 ID0part1
fget -e $[MMMPATH]/KeyY.sha@4:4 ID0part2 
fget -e $[MMMPATH]/KeyY.sha@8:4 ID0part3 
fget -e $[MMMPATH]/KeyY.sha@C:4 ID0part4 
set SM_ID0 $[ID0part1]$[ID0part2]$[ID0part3]$[ID0part4]

#Check for ID0 directory
if not isdir "0:/Nintendo 3DS/$[SM_ID0]"
	echo "Error: ID0 of source movable.sed does not\nmatch any ID0 on the SD card.\n \nSource file: $[SOURCE_FILENAME]\nDetected ID0: $[SM_ID0]\n \nPlease make sure the Nintendo 3DS folder you\nare trying to transfer is on the SD card\nand you are choosing the correct movable."
	rm -o -s $[MMMPATH]
	poweroff
end

#Backup movable/essential files
findnot $[OUTPATH]/$[DATESTAMP]_$[SERIAL]_movable_??.sed MOVABLEOUT
if not cp 1:/private/movable.sed $[MOVABLEOUT]
	echo "Failed backing up movable.sed\n(How did this happen?)\n \nAsk for help on Discord:\nhttps://discord.gg/MWxPgEp"
	poweroff
end

findnot $[OUTPATH]/$[DATESTAMP]_$[SERIAL]_essential_??.exefs ESSENTIALOUT
if not cp S:/essential.exefs $[ESSENTIALOUT]
	echo "Failed backing up essential.exefs\n(How did this happen?)\n \nAsk for help on Discord:\nhttps://discord.gg/MWxPgEp"
	poweroff
end

#FixupMovable
fdummy -o -s $[MMMPATH]/fixupmovable.sed 120
inject $[MMMPATH]/sourcemovable.sed@0:120 $[MMMPATH]/fixupmovable.sed@0
fill $[MMMPATH]/fixupmovable.sed@4:4 00

#Verify fixed up movable
#The FixupMovable section would have had to fail without throwing an exception for anything here to actually fail, but might as well be sure.
fget $[MMMPATH]/fixupmovable.sed@0:4 FM_SEED
fget $[MMMPATH]/fixupmovable.sed@4:4 FM_CMAC
if not shaget $[MMMPATH]/fixupmovable.sed@8:118 FM_SHA
	echo "FixupMovable error:\nmovable is unreadable\n(How did this happen?)\n \nAsk for help on Discord:\nhttps://discord.gg/MWxPgEp"
	poweroff
elif chk -u $[SM_SEED] "53454544"
	echo "FixupMovable error:\nSEED is missing or corrupt\n(How did this happen?)\n \nAsk for help on Discord:\nhttps://discord.gg/MWxPgEp"
	poweroff
elif chk -u $[FM_CMAC] "00000000"
	echo "FixupMovable error:\nCMAC flag has not been set properly\n(How did this happen?)\n \nAsk for help on Discord:\nhttps://discord.gg/MWxPgEp"
	poweroff
elif chk -u $[SM_SHA] $[FM_SHA]
	echo "FixupMovable error:\nLFCS or KeyY has been changed\n(How did this happen?)\n \nAsk for help on Discord:\nhttps://discord.gg/MWxPgEp"
end

#Copy movable
if ask "Ready to perform the Moveover.\nSource file: $[SOURCE_FILENAME]\nDetected ID0: $[SM_ID0]\n \nUnlock permissions to continue."
	allow 1:/private/movable.sed
	cp -w $[MMMPATH]/fixupmovable.sed 1:/private/movable.sed
	fixcmac 1:/dbs
	fixcmac 1:/data
else
	echo "Script canceled\n \nPress (A) to power off."
	rm -o -s $[MMMPATH]
	poweroff
end

#Cleanup
rm -o -s $[MMMPATH]
rm -o -s $[CURRDIR]/MovableMoveover.gm9
echo "Movable Moveover complete!\nYour new ID0 is: $[SM_ID0]\n \nYour backup essential files can be\nfound at: $[OUTPATH]\n \nPress (A) to reboot."
reboot