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| 1 | +#!/sbin/sh |
| 2 | + |
| 3 | +# Copyright (c) 2019 Jaymin Suthar. All rights reserved. |
| 4 | +# |
| 5 | +# This file is part of "Input Power Control (IPControl)". |
| 6 | +# |
| 7 | +# IPControl is free software: you can redistribute it and/or modify |
| 8 | +# it under the terms of the GNU General Public License as published by |
| 9 | +# the Free Software Foundation, only version 3 of the License. |
| 10 | +# |
| 11 | +# IPControl is distributed in the hope that it will be useful, |
| 12 | +# but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | +# GNU General Public License for more details. |
| 15 | +# |
| 16 | +# You should have received a copy of the GNU General Public License |
| 17 | +# along with IPControl. If not, see <https://www.gnu.org/licenses/>. |
| 18 | + |
| 19 | +INSTALLER=/dev/IPControl |
| 20 | + |
| 21 | +MODULE_ROOT_DEF=/data/adb/modules |
| 22 | + |
| 23 | +OUTFD=$2 |
| 24 | +ZIPFILE=$3 |
| 25 | + |
| 26 | +INITDIR=/system/etc/init.d |
| 27 | +DE_DATA=/data/adb |
| 28 | +BOOTMODE=false |
| 29 | +MAGISK_VER=00000 |
| 30 | +SYSTEMLESS=true |
| 31 | + |
| 32 | +exec 2>/dev/IPControl_install.log |
| 33 | + |
| 34 | +ui_print() { |
| 35 | + $BOOTMODE && echo "$1" || echo -e "ui_print $1\nui_print" >>/proc/self/fd/$OUTFD |
| 36 | +} |
| 37 | + |
| 38 | +abort() { |
| 39 | + ui_print "ERROR: $1" |
| 40 | + cleanup |
| 41 | + exit 1 |
| 42 | +} |
| 43 | + |
| 44 | +print() { |
| 45 | + ui_print "- $1" |
| 46 | +} |
| 47 | + |
| 48 | +cleanup() { |
| 49 | + rm -rf $INSTALLER |
| 50 | + if ! $BOOTMODE; then |
| 51 | + umount -l /system_root |
| 52 | + umount -l /system |
| 53 | + umount -l /data |
| 54 | + umount -l /dev/random |
| 55 | + fi |
| 56 | +} |
| 57 | + |
| 58 | +is_mounted() { |
| 59 | + cat /proc/mounts | grep " $1 " >/dev/null |
| 60 | +} |
| 61 | + |
| 62 | +getprop() { |
| 63 | + cat $2 | sed -n "s/^$1=//p" |
| 64 | +} |
| 65 | + |
| 66 | +patchstr() { |
| 67 | + ZEROCOUNT=$((${#1} - ${#2})) |
| 68 | + ZEROES=$(yes "\x0" | head -n $ZEROCOUNT | tr -d "\n") |
| 69 | + sed -i "s|${1}|${2}${ZEROES}|g" $3 |
| 70 | +} |
| 71 | + |
| 72 | +set_perm() { |
| 73 | + chown $2:$3 $1 |
| 74 | + chmod $4 $1 |
| 75 | + if [ -z "$5" ]; then |
| 76 | + chcon u:object_r:system_file:s0 $1 |
| 77 | + else |
| 78 | + chcon $5 $1 |
| 79 | + fi |
| 80 | +} |
| 81 | + |
| 82 | +set_perm_recursive() { |
| 83 | + find $1/ | while read FILE; do |
| 84 | + if [ -f $FILE ]; then |
| 85 | + set_perm $FILE $2 $3 $5 $6 |
| 86 | + else |
| 87 | + set_perm $FILE $2 $3 $4 $6 |
| 88 | + fi |
| 89 | + done |
| 90 | +} |
| 91 | + |
| 92 | +ps | grep zygote | grep -v grep >/dev/null && BOOTMODE=true |
| 93 | + |
| 94 | +print "Constructing environment" |
| 95 | + |
| 96 | +is_mounted /data || mount /data || abort "Error occured while mounting /data" |
| 97 | + |
| 98 | +MAGISK_VER=$(getprop MAGISK_VER_CODE $DE_DATA/magisk/util_functions.sh) |
| 99 | +[ -n "$MAGISK_VER" ] && [ $MAGISK_VER -ge 18105 ] || SYSTEMLESS=false |
| 100 | + |
| 101 | +$SYSTEMLESS && RW=ro || RW=rw |
| 102 | +mount -o $RW /system || mount -o $RW,remount /system || abort "Error occured while mounting /system" |
| 103 | +if [ -f /system/init ]; then |
| 104 | + mkdir /system_root |
| 105 | + mount -o move /system /system_root |
| 106 | + mount -o bind /system_root/system /system |
| 107 | +fi |
| 108 | + |
| 109 | +API=$(getprop ro.build.version.sdk /system/build.prop) |
| 110 | +[ $API -ge 21 ] || abort "Unsupported platform ($API) detected" |
| 111 | + |
| 112 | +ARCH=$(getprop ro.product.cpu.abi /system/build.prop) |
| 113 | +case $ARCH in |
| 114 | + arm*) ARCH=arm ;; |
| 115 | + x86*) ARCH=x86 ;; |
| 116 | + *) abort "Unsupported architecture ($ARCH) detected" ;; |
| 117 | +esac |
| 118 | + |
| 119 | +$SYSTEMLESS || [ -d $INITDIR ] || abort "Init.d support is not present" |
| 120 | + |
| 121 | +UEVENT_DEF=/sys/class/power_supply/battery/uevent |
| 122 | + |
| 123 | +UEVENT_PATH=$UEVENT_DEF |
| 124 | +[ -f $UEVENT_PATH ] || UEVENT_PATH=/sys/class/power_supply/Battery/uevent |
| 125 | +[ -f $UEVENT_PATH ] || abort "Non-standard device setup detected" |
| 126 | + |
| 127 | +if ! $BOOTMODE; then |
| 128 | + mount -o bind /dev/urandom /dev/random |
| 129 | + unset LD_LIBRARY_PATH |
| 130 | + unset LD_PRELOAD |
| 131 | + unset LD_CONFIG_FILE |
| 132 | +fi |
| 133 | + |
| 134 | +ui_print " " |
| 135 | +ui_print "*************************************" |
| 136 | +ui_print " Input Power Control Installer " |
| 137 | +ui_print "*************************************" |
| 138 | + |
| 139 | +ui_print " " |
| 140 | +print "Systemless mode: $SYSTEMLESS" |
| 141 | +print "Device architecture: $ARCH" |
| 142 | + |
| 143 | +rm -rf $INSTALLER |
| 144 | +mkdir -p $INSTALLER |
| 145 | + |
| 146 | +ui_print " " |
| 147 | +print "Unzipping $ZIPFILE" |
| 148 | +unzip -o "$ZIPFILE" -d $INSTALLER >/dev/null |
| 149 | +[ -f $INSTALLER/module.prop ] || abort "Error occured while extracting archive" |
| 150 | + |
| 151 | +ui_print " " |
| 152 | +ui_print "Installing..." |
| 153 | + |
| 154 | +if $SYSTEMLESS; then |
| 155 | + MODULE_ROOT=$DE_DATA/modules_update |
| 156 | + IPCDIR=$MODULE_ROOT/IPControl |
| 157 | + |
| 158 | + IPCINFO=$INSTALLER/module.prop |
| 159 | + DEBUGGER=$INSTALLER/debug.sh |
| 160 | + BOOTRUN=$INSTALLER/service.sh |
| 161 | + IPCEXEC=$INSTALLER/bin/ipc_$ARCH |
| 162 | + CFGFILE=$INSTALLER/ipc.conf |
| 163 | + |
| 164 | + [ -d /system/xbin ] && BINDIR=$IPCDIR/system/xbin || BINDIR=$IPCDIR/system/bin |
| 165 | + IPCBIN=$BINDIR/ipc |
| 166 | + |
| 167 | + rm -rf $IPCDIR |
| 168 | + mkdir -p $BINDIR |
| 169 | + |
| 170 | + ui_print " " |
| 171 | + print "Copying files" |
| 172 | + cp -f $IPCEXEC $IPCBIN |
| 173 | + cp -f $IPCINFO $DEBUGGER $BOOTRUN $CFGFILE $IPCDIR/ |
| 174 | + |
| 175 | + print "Patching ipc binary" |
| 176 | + patchstr $UEVENT_DEF $UEVENT_PATH $IPCBIN |
| 177 | + |
| 178 | + touch $IPCDIR/auto_mount |
| 179 | + |
| 180 | + if $BOOTMODE; then |
| 181 | + mkdir $MODULE_ROOT_DEF/IPControl |
| 182 | + cp -f $IPCINFO $MODULE_ROOT_DEF/IPControl/ |
| 183 | + touch $MODULE_ROOT_DEF/IPControl/update |
| 184 | + fi |
| 185 | + |
| 186 | + print "Setting permissions" |
| 187 | + set_perm_recursive $IPCDIR 0 0 0755 0644 |
| 188 | + set_perm_recursive $BINDIR 0 2000 0755 0755 |
| 189 | + |
| 190 | +else |
| 191 | + IPCDIR=$DE_DATA/IPControl |
| 192 | + |
| 193 | + IPCINFO=$INSTALLER/module.prop |
| 194 | + DEBUGGER=$INSTALLER/debug.sh |
| 195 | + BOOTRUN=$INSTALLER/service.sh |
| 196 | + IPCEXEC=$INSTALLER/bin/ipc_$ARCH |
| 197 | + CFGFILE=$INSTALLER/ipc.conf |
| 198 | + |
| 199 | + IPCBIN=/system/bin/ipc |
| 200 | + MODINFO=$IPCDIR/ipc.prop |
| 201 | + INITRUN=$INITDIR/02ipcd_launcher |
| 202 | + |
| 203 | + rm -rf $IPCDIR |
| 204 | + mkdir -p $IPCDIR |
| 205 | + |
| 206 | + ui_print " " |
| 207 | + print "Copying files" |
| 208 | + cp -f $IPCINFO $MODINFO |
| 209 | + cp -f $BOOTRUN $INITRUN |
| 210 | + cp -f $IPCEXEC $IPCBIN |
| 211 | + cp -f $DEBUGGER $CFGFILE $IPCDIR/ |
| 212 | + |
| 213 | + print "Patching ipc binary" |
| 214 | + patchstr $MODULE_ROOT_DEF $DE_DATA $IPCBIN |
| 215 | + patchstr $UEVENT_DEF $UEVENT_PATH $IPCBIN |
| 216 | + |
| 217 | + print "Setting permissions" |
| 218 | + set_perm_recursive $IPCDIR 0 0 0700 0600 u:object_r:adb_data_file:s0 |
| 219 | + set_perm $IPCBIN 0 2000 0750 |
| 220 | + set_perm $INITRUN 0 0 0700 |
| 221 | +fi |
| 222 | + |
| 223 | +ui_print " " |
| 224 | +ui_print "Installation completed successfully!" |
| 225 | +cleanup |
| 226 | +exit 0 |
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