GodMode9/HelloScript.gm9

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# GodMode9 "Hello Script"
# Tutorial script - read / run this to learn how it works
# last changed: 20170906
# author: d0k3
# COMMENTS / SCRIPTING BASICS / 'echo' COMMAND
# Anything after '#' will be ignored by the scripting engine
# Commands and arguments are separated by whitespaces, any redundant whitespaces will be ignored
# Use '"' if an argument has to include whitespaces
# The echo command outputs info on screen
echo "'Hello Script'\nby d0k3\n \nThis is a sample script to\nshowcase the GM9 script engine." # comments work anywhere
# Unknown commands lead to script abort (remove the '#' below to test)
# iamunknown test test
# 'qr' COMMAND
# The 'qr' command does the same as the echo command, but also displays a QR code on the top screen
qr "Scan for cool stuff!" https://github.com/d0k3/GodMode9
# 'ask' COMMAND
# The 'ask' command is similar to the 'echo' command, but will allow the user to abort
# Note that normally any failed command (like a negative user response on 'ask') will result in script abort
ask "Continue running this script?"
# (-o/-s) SWITCHES
# You may use the -o / --optional and -s / --silent switches on any command
# -o / --optional continues on failures
# -s / --silent tries to suppress all error messages
# This would have completely ignored the user response on the previous command:
ask -o -s "Really continue running this script?\n(I will completely ignore your answer)"
# ENVIRONMENTAL VARS
# SERIAL is the serial number of your device
# GM9OUT is the standard output path
# CURRDIR is the directory the script is running from
# HAX is the hax the system is currently running from ("ntrboot", "sighax", "a9lh" or empty)
# ONTYPE is the console type ("O3DS" or "N3DS")
# RDTYPE is the unit type ("devkit" or "retail")
# SYSID0 is the id0 belonging to your SysNAND
# EMUID0 is the id0 belonging to your EmuNAND (if available)
# TIMESTAMP is the current time in hhmmss format
# DATESTAMP is the current date in YYMMDD format
# Use $[VAR] to get the *content* of a variable VAR
echo "Your serial number is $[SERIAL]\nYour std output path is $[GM9OUT]\nCurrent dir is $[CURRDIR]\nCurrent hax is $[HAX]\nYour system is a $[RDTYPE] $[ONTYPE]\nCurrent datestamp is: $[DATESTAMP]\nCurrent timestamp is: $[TIMESTAMP]\n \nYour sys / emu ID0 is:\n$[SYSID0]\n$[EMUID0]"
qr "You can also have this as a QR code :)" "Your serial number is $[SERIAL]\nYour std output path is $[GM9OUT]\nCurrent dir is $[CURRDIR]\nCurrent hax is $[HAX]\nYour system is a $[RDTYPE] $[ONTYPE]\nCurrent datestamp is: $[DATESTAMP]\nCurrent timestamp is: $[TIMESTAMP]\n \nYour sys / emu ID0 is:\n$[SYSID0]\n$[EMUID0]"
# ERRORMSG and SUCCESSMSG / 'set' COMMAND
# These two are special environment vars, allowing you to control the message on script failure or success
set ERRORMSG "HelloScript testing script failed"
set SUCCESSMSG "HelloScript testing script success"
# you can also reset these to return to default script messages
# set ERRORMSG ""
# set SUCCESSMSG ""
# 'chk' COMMAND
# Using the check command, you can check if two arguments match (not case sensitive)
# -u / -unequal check if not matching instead
# These checks will (most likely) pass
chk "hello" "HeLlo"
chk "0:/gm9/out" $[GM9OUT]
chk $[SYSID0] $[SYSID0]
# unsure about these
chk -o $[HAX] "sighax"
chk -o -u $[HAX] ""
# PREVIEW_MODE, PREVIEW_COLOR_ACTIVE, PREVIEW_COLOR_COMMENT and PREVIEW_COLOR_CODE
# PREVIEW_MODE controls how the preview on the top screen is displayed, set it it to off, quick or full
# PREVIEW_COLOR_ACTIVE, PREVIEW_COLOR_COMMENT and PREVIEW_COLOR_CODE set the colors of the preview (RGB, hex)
set PREVIEW_MODE quick
# we don't want these ugly colors
# set PREVIEW_COLOR_ACTIVE 00FF00
# set PREVIEW_COLOR_COMMENT 0000FF
# set PREVIEW_COLOR_CODE FF0000
# CREATING VARS
# You can also create new variables using 'set'
# Notice how you can use variables when setting variables
set TESTPATH 0:/testdir/$[SERIAL]_tick.db
echo "Your testpath is:\n$[TESTPATH]"
# 'input' COMMAND
# The 'input' command will allow the user to input a string and store that string in a variable
# Preset the variable to have an initial value
set USERINPUT "Hello World"
input "Enter something please?" USERINPUT
echo "You entered:\n$[USERINPUT]"
# 'filesel' COMMAND
# The 'filesel' command allows the user to choose a file inside a directory
# The path is stored inside a variable, and the selection can be limited via wildcards
filesel "Please select a file" 0:/*.* SELFILE
echo "You selected $[SELFILE]\nWe'll do nothing with that :)."
# 'allow' COMMAND
# typically used at the beginning of a script, prompts to allow writes to the location given in the argument
# doing this from the beginning is preferable, so that no actions are taken unless all required write permissions are unlocked
# (note #1: without 'allow', write permissions are still in place and the user will be asked on demand)
# (note #2: this simple testing script requires no additional permissions, thus the command is hidden behind a '#')
# -a / -all allows writes to the specified location and all included files and directories
# allow -a M:/
# 'rm' COMMAND
# The 'rm' command is used to remove files and directories (recursively)
# Here, we remove the dir if it is still here from an earlier run of this script
# If it is not here, we ignore any errors and keep silent about it
rm -o -s 0:/testdir
# 'mkdir' COMMAND
# Use this to create a directory at the specified location
mkdir 0:/testdir
# 'imgmount' COMMAND
# The 'imgmount' command is used to mount an image.
# An image can be (among other things) FAT, NAND, NCCH, NCSD, FIRM, ticket.db...
imgmount S:/ctrnand_full.bin
# 'cp' COMMAND
# Use 'cp' to copy a file or directory (recursively)
# -h / --hash also adds a .sha file containing the files SHA256
# -w / --overwite forces overwrite on existing files
# -k / --skip forces skip on existing files
# -n / --no_cancel prevents user cancels (useful on critical operations)
cp -h -w -n 7:/dbs/ticket.db $[TESTPATH]
# 'imgumount' COMMAND
# This unmounts the current mounted image.
imgumount
# 'findnot' COMMAND
# Use 'findnot' in conjunction with '?' to find an unused filename
findnot $[TESTPATH]_???.rn RENPATH
# 'mv' COMMAND
# The 'mv command renames or moves a file or directory
# -w / --overwite forces overwrite on existing files
# -k / --skip forces skip on existing files
# -n / --no_cancel prevents user cancels (useful on critical operations)
mv -w -k $[TESTPATH] $[RENPATH]
# 'find' COMMAND
# The 'find' command has two main uses, (1) checking if files / dirs exist and (2) finding files / dirs
# Here we use it to check for RENPATH, thus we use NULL as second argument (we're not interested in the output)
find $[RENPATH] NULL
# Wildcards ('*' / '?') are allowed when searching for a file / directory name
# If wildcards are used, 'find' will return the last alphanumerical match
# -f / --first return the first alphanumerical match instead
find S:/nand.* NANDIMAGE
# 'sha' COMMAND
# Use this to check a files' SHA256
sha $[RENPATH] $[TESTPATH].sha
# Instead of an .sha file you can also use the SHA256 in hex as second argument
# sha S:/sector0x96.bin 82F2730D2C2DA3F30165F987FDCCAC5CBAB24B4E5F65C981CD7BE6F438E6D9D3
# This also allows partial SHA checks (for @x:y handling see 'inject' below)
# sha S:/firm0.bin@100:100 078CC0CFD850A27093DDA2630C3603CA0C96969BD1F26DA48AC7B1BAE5DD5219
# 'shaget' COMMAND
# Use this to calculate (and store) a files' SHA256
# If the second argument is a filename, the SHA256 will be stored there
# shaget 0:/boot.firm 0:/boot.firm.sha
# If it's a variable, it will be stored there temporarily instead
shaget S:/nand_hdr.bin NANDHDRSHA
sha S:/nand_hdr.bin $[NANDHDRSHA]
# Partial SHA calculation is also possible (for @x:y handling see 'inject' below)
# shaget 0:/boot.firm@100:100 0:/boot.firm.partial.sha
# 'inject' COMMAND
# This command is used to inject part of one file into another
# The syntax is: inject origin@x:y destination@z
# x: origin offset (in hex)
# y: origin size, starting at x (in hex)
# z: destination offset (in hex)
# If destination does not exist or z is not given, a new destination file will be created(!)
# If x is not given, the full origin file size, starting from offset 0, is used to inject
# If y is not given, everything starting from offset x is used to inject
# -n / --no_cancel prevents user cancels (useful on critical operations)
inject S:/nand_hdr.bin@100:4 $[RENPATH]@200 # offsets and sizes are in hex
# As we just deliberately corrupted our test file, the subsequent SHA check will fail
set ERRORMSG "SHA check failed (this was expected)"
sha -o $[RENPATH] $[TESTPATH].sha
set ERRORMSG ""
# 'fixcmac' COMMAND
# Use this to fix the CMACs for a file or a whole folder (recursively)
# This will count as success if a file does not contain a CMAC
# More info on CMACs: http://3dbrew.org/wiki/Savegames#AES_CMAC_header
# fixcmac 1:/data
# 'verify' COMMAND
# Certain file formats (NAND, NCCH, NCSD, CIA, FIRM, ...) can also be verified. Use 'verify' to do so.
# verify -o s:/firm0.bin # As drive letters are case sensitive, this would fail
verify S:/firm1.bin
# 'decrypt' COMMAND
# Certain file formats (NCCH, NCSD, CIA, FIRM, BOSS, ...) can be decrypted. Use 'decrypt' to do so.
# Take note that all crypto operations are done INPLACE and will overwrite the file(!)
# decrypt 0:/x.ncch
# 'encrypt' COMMAND
# Certain file formats (NCCH, NCSD, CIA, BOSS, ...) can be encrypted. Use 'encrypt' to do so.
# Take note that all crypto operations are done INPLACE and will overwrite the file(!)
# encrypt 0:/x.ncch
# 'buildcia' COMMAND
# You can build CIA files from certain file formats (TMD, NCCH, NCSD ...). Use 'buildcia' to do so.
# CIA files will always be built to the standard output directory (0:/gm9/out)
# -l / --legit force CIA to be legit (only works for legit system installed titles)
# buildcia 0:/x.ncch
# 'boot' COMMAND
# Use this command to chainload a compatible FIRM
# boot 0:/boot.firm
# disabled cause it would leave the script
# 'switchsd' COMMAND
# Use this to allow the user to switch the SD card
# switchsd "Please switch SD card."
# 'reboot' / 'poweroff' COMMAND
# These are used to reboot or power off the 3DS console
set ERRORMSG "Test script finished,\n(without reboot)\n \nIgnore the error message."
ask "Reboot now?"
reboot
poweroff # this line can never be reached