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mikalueh committed Oct 1, 2024
1 parent 8c4b472 commit 26f7744
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173 changes: 173 additions & 0 deletions META-INF/com/google/android/update-binary
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#!/sbin/sh

#################
# Initialization
#################

umask 022

# Global vars
TMPDIR=/dev/tmp
PERSISTDIR=/sbin/.magisk/mirror/persist

rm -rf $TMPDIR 2>/dev/null
mkdir -p $TMPDIR

# echo before loading util_functions
ui_print() { echo "$1"; }

require_new_magisk() {
ui_print "*******************************"
ui_print " Please install Magisk v19.0+! "
ui_print "*******************************"
exit 1
}

is_legacy_script() {
unzip -l "$ZIPFILE" install.sh | grep -q install.sh
return $?
}

print_modname() {
local len
len=`echo -n $MODNAME | wc -c`
len=$((len + 2))
local pounds=`printf "%${len}s" | tr ' ' '*'`
ui_print "$pounds"
ui_print " $MODNAME "
ui_print "$pounds"
ui_print "*******************"
ui_print " Powered by Magisk "
ui_print "*******************"
}

##############
# Environment
##############

OUTFD=$2
ZIPFILE=$3

mount /data 2>/dev/null

# Load utility functions
[ -f /data/adb/magisk/util_functions.sh ] || require_new_magisk
. /data/adb/magisk/util_functions.sh
[ $MAGISK_VER_CODE -gt 18100 ] || require_new_magisk

# Preperation for flashable zips
setup_flashable

# Mount partitions
mount_partitions

# Detect version and architecture
api_level_arch_detect

# Setup busybox and binaries
$BOOTMODE && boot_actions || recovery_actions

##############
# Preparation
##############

# Extract prop file
unzip -o "$ZIPFILE" module.prop -d $TMPDIR >&2
[ ! -f $TMPDIR/module.prop ] && abort "! Unable to extract zip file!"

$BOOTMODE && MODDIRNAME=modules_update || MODDIRNAME=modules
MODULEROOT=$NVBASE/$MODDIRNAME
MODID=`grep_prop id $TMPDIR/module.prop`
MODPATH=$MODULEROOT/$MODID
MODNAME=`grep_prop name $TMPDIR/module.prop`

# Create mod paths
rm -rf $MODPATH 2>/dev/null
mkdir -p $MODPATH

##########
# Install
##########

if is_legacy_script; then
unzip -oj "$ZIPFILE" module.prop install.sh uninstall.sh 'common/*' -d $TMPDIR >&2

# Load install script
. $TMPDIR/install.sh

# Callbacks
print_modname
on_install

# Custom uninstaller
[ -f $TMPDIR/uninstall.sh ] && cp -af $TMPDIR/uninstall.sh $MODPATH/uninstall.sh

# Skip mount
$SKIPMOUNT && touch $MODPATH/skip_mount

# prop file
$PROPFILE && cp -af $TMPDIR/system.prop $MODPATH/system.prop

# Module info
cp -af $TMPDIR/module.prop $MODPATH/module.prop

# post-fs-data scripts
$POSTFSDATA && cp -af $TMPDIR/post-fs-data.sh $MODPATH/post-fs-data.sh

# service scripts
$LATESTARTSERVICE && cp -af $TMPDIR/service.sh $MODPATH/service.sh

ui_print "- Setting permissions"
set_permissions
else
print_modname

unzip -o "$ZIPFILE" customize.sh -d $MODPATH >&2

if ! grep -q '^SKIPUNZIP=1$' $MODPATH/customize.sh 2>/dev/null; then
ui_print "- Extracting module files"
unzip -o "$ZIPFILE" -x 'META-INF/*' -d $MODPATH >&2

# Default permissions
set_perm_recursive $MODPATH 0 0 0755 0644
fi

# Load customization script
[ -f $MODPATH/customize.sh ] && . $MODPATH/customize.sh
fi

# Handle replace folders
for TARGET in $REPLACE; do
ui_print "- Replace target: $TARGET"
mktouch $MODPATH$TARGET/.replace
done

if $BOOTMODE; then
# Update info for Magisk Manager
mktouch $NVBASE/modules/$MODID/update
cp -af $MODPATH/module.prop $NVBASE/modules/$MODID/module.prop
fi

# Copy over custom sepolicy rules
if [ -f $MODPATH/sepolicy.rule -a -e $PERSISTDIR ]; then
ui_print "- Installing custom sepolicy patch"
PERSISTMOD=$PERSISTDIR/magisk/$MODID
mkdir -p $PERSISTMOD
cp -af $MODPATH/sepolicy.rule $PERSISTMOD/sepolicy.rule
fi

# Remove stuffs that don't belong to modules
rm -rf \
$MODPATH/system/placeholder $MODPATH/customize.sh \
$MODPATH/README.md $MODPATH/.git* 2>/dev/null

##############
# Finalizing
##############

cd /
$BOOTMODE || recovery_cleanup
rm -rf $TMPDIR

ui_print "- Done"
exit 0
1 change: 1 addition & 0 deletions META-INF/com/google/android/updater-script
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#MAGISK
9 changes: 9 additions & 0 deletions common/post-fs-data.sh
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#!/system/bin/sh
# Do NOT assume where your module will be located.
# ALWAYS use $MODDIR if you need to know where this script
# and module is placed.
# This will make sure your module will still work
# if Magisk change its mount point in the future
MODDIR=${0%/*}

# This script will be executed in post-fs-data mode
3 changes: 3 additions & 0 deletions common/system.prop
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# This file will be read by resetprop
# Example: Change dpi
# ro.sf.lcd_density=320
Binary file added files/tcpdump
Binary file not shown.
186 changes: 186 additions & 0 deletions install.sh
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##########################################################################################
#
# Magisk Module Installer Script
#
##########################################################################################
##########################################################################################
#
# Instructions:
#
# 1. Place your files into system folder (delete the placeholder file)
# 2. Fill in your module's info into module.prop
# 3. Configure and implement callbacks in this file
# 4. If you need boot scripts, add them into common/post-fs-data.sh or common/service.sh
# 5. Add your additional or modified system properties into common/system.prop
#
##########################################################################################

##########################################################################################
# Config Flags
##########################################################################################

# Set to true if you do *NOT* want Magisk to mount
# any files for you. Most modules would NOT want
# to set this flag to true
SKIPMOUNT=false

# Set to true if you need to load system.prop
PROPFILE=false

# Set to true if you need post-fs-data script
POSTFSDATA=false

# Set to true if you need late_start service script
LATESTARTSERVICE=true

##########################################################################################
# Replace list
##########################################################################################

# List all directories you want to directly replace in the system
# Check the documentations for more info why you would need this

# Construct your list in the following format
# This is an example
REPLACE_EXAMPLE="
/system/app/Youtube
/system/priv-app/SystemUI
/system/priv-app/Settings
/system/framework
"

# Construct your own list here
REPLACE="
"

##########################################################################################
#
# Function Callbacks
#
# The following functions will be called by the installation framework.
# You do not have the ability to modify update-binary, the only way you can customize
# installation is through implementing these functions.
#
# When running your callbacks, the installation framework will make sure the Magisk
# internal busybox path is *PREPENDED* to PATH, so all common commands shall exist.
# Also, it will make sure /data, /system, and /vendor is properly mounted.
#
##########################################################################################
##########################################################################################
#
# The installation framework will export some variables and functions.
# You should use these variables and functions for installation.
#
# ! DO NOT use any Magisk internal paths as those are NOT public API.
# ! DO NOT use other functions in util_functions.sh as they are NOT public API.
# ! Non public APIs are not guranteed to maintain compatibility between releases.
#
# Available variables:
#
# MAGISK_VER (string): the version string of current installed Magisk
# MAGISK_VER_CODE (int): the version code of current installed Magisk
# BOOTMODE (bool): true if the module is currently installing in Magisk Manager
# MODPATH (path): the path where your module files should be installed
# TMPDIR (path): a place where you can temporarily store files
# ZIPFILE (path): your module's installation zip
# ARCH (string): the architecture of the device. Value is either arm, arm64, x86, or x64
# IS64BIT (bool): true if $ARCH is either arm64 or x64
# API (int): the API level (Android version) of the device
#
# Availible functions:
#
# ui_print <msg>
# print <msg> to console
# Avoid using 'echo' as it will not display in custom recovery's console
#
# abort <msg>
# print error message <msg> to console and terminate installation
# Avoid using 'exit' as it will skip the termination cleanup steps
#
# set_perm <target> <owner> <group> <permission> [context]
# if [context] is empty, it will default to "u:object_r:system_file:s0"
# this function is a shorthand for the following commands
# chown owner.group target
# chmod permission target
# chcon context target
#
# set_perm_recursive <directory> <owner> <group> <dirpermission> <filepermission> [context]
# if [context] is empty, it will default to "u:object_r:system_file:s0"
# for all files in <directory>, it will call:
# set_perm file owner group filepermission context
# for all directories in <directory> (including itself), it will call:
# set_perm dir owner group dirpermission context
#
##########################################################################################
##########################################################################################
# If you need boot scripts, DO NOT use general boot scripts (post-fs-data.d/service.d)
# ONLY use module scripts as it respects the module status (remove/disable) and is
# guaranteed to maintain the same behavior in future Magisk releases.
# Enable boot scripts by setting the flags in the config section above.
##########################################################################################

# Set what you want to display when installing your module

print_modname() {
ui_print " "
ui_print " ********************************************"
ui_print " * Magisk-/KernelSU-tcpdump *"
ui_print " ********************************************"
ui_print " "
}

# Copy/extract your module files into $MODPATH in on_install.

on_install() {
case $ARCH in
arm64) F_ARCH=$ARCH;;
arm) F_ARCH=$ARCH;;
x64) F_ARCH=x86_64;;
x86) F_ARCH=$ARCH;;
*) ui_print "Unsupported architecture: $ARCH"; abort;;
esac

ui_print "- Detected architecture: $F_ARCH"

if [ "$BOOTMODE" ] && [ "$KSU" ]; then
ui_print "- Installing from KernelSU app"
ui_print "- KernelSU version: $KSU_KERNEL_VER_CODE (kernel) + $KSU_VER_CODE (ksud)"
UNZIP="/data/adb/ksu/bin/busybox unzip"
elif [ "$BOOTMODE" ] && [ "$APATCH" ]; then
ui_print "- Installing from APatch app"
ui_print "- APatch version: $APATCH_VER_CODE. Magisk version: $MAGISK_VER_CODE"
UNZIP="/data/adb/ap/bin/busybox unzip"
elif [ "$BOOTMODE" ] && [ "$MAGISK_VER_CODE" ]; then
ui_print "- Installing from Magisk app"
ui_print "- Magisk version: $MAGISK_VER_CODE"
UNZIP="/data/adb/magisk/busybox unzip"
else
ui_print "*********************************************************"
ui_print "! Install from recovery is not supported"
ui_print "! Please install from KernelSU or Magisk app"
abort "*********************************************************"
fi

ui_print "- Extracting module files"
F_TARGETDIR="$MODPATH/system/bin"
mkdir -p "$F_TARGETDIR"
chcon -R u:object_r:system_file:s0 "$F_TARGETDIR"
chmod -R 755 "$F_TARGETDIR"

$UNZIP -qq -o "$ZIPFILE" "files/tcpdump" -j -d "$F_TARGETDIR"
mv "$F_TARGETDIR/tcpdump" "$F_TARGETDIR/tcpdump"
}

# Only some special files require specific permissions
# This function will be called after on_install is done
# The default permissions should be good enough for most cases

set_permissions() {
# The following is the default rule, DO NOT remove
set_perm_recursive $MODPATH 0 0 0755 0644

# Custom permissions
set_perm $MODPATH/system/bin/tcpdump 0 2000 0755 u:object_r:system_file:s0
}

# You can add more functions to assist your custom script code
6 changes: 6 additions & 0 deletions module.prop
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id=magisk-tcpdump
name=Magisk-tcpdump
version=1.0
versionCode=1
author=mikalueh
description=Get tcpdump Android for Magisk

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