all functionality is here. need to patch boot image now

META-INF/com/google/android/update-binary

@@ -0,0 +1,173 @@
+#!/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

META-INF/com/google/android/updater-script

@@ -0,0 +1 @@
+#MAGISK

bin/ghid.sh

@@ -1,7 +1,8 @@
 #!/system/bin/sh
 # $1 setup
 controller=$(getprop sys.usb.controller)
-
+moddir=${0%bin/*}
+selected=standard-keyboard
 remove_ghid() {
 	rm /config/usb_gadget/g1/configs/b.1/fhid
 	rmdir /config/usb_gadget/g1/functions/hid.usb0
@@ -9,15 +10,30 @@ remove_ghid() {
 }
 
 enable_ghid() {
+	running=true
+	. "$moddir/definitions/$selected"
 	if [ ! -d /config/usb_gadget/g1/functions/hid.usb0 ]; then
 		mkdir /config/usb_gadget/g1/functions/hid.usb0
 	fi
+	current_protocols="$(cat /config/usb_gadget/g1/functions/hid.usb0/protocol)"
+	current_subclasses="$(cat /config/usb_gadget/g1/functions/hid.usb0/subclass)"
+	current_report_lengths="$(cat /config/usb_gadget/g1/functions/hid.usb0/report_length)"
+
+	if ! { [[ -e /config/usb_gadget/g1/functions/hid.usb0 -a "$current_protocols" == "$protocols" -a "$current_subclasses" == "$subclasses" -a "$current_report_lengths" == "$report_lengths" ]]  && diff "$moddir/reports/$report_names" /config/usb_gadget/g1/functions/hid.usb0/report_desc } ; then
+		return 0
+	fi
 
 
+	echo $protocols >/config/usb_gadget/g1/functions/hid.usb0/protocol
+	echo $subclasses >/config/usb_gadget/g1/functions/hid.usb0/subclass
+	echo $report_lengths >/config/usb_gadget/g1/functions/hid.usb0/report_length
+	cp $report_names /config/usb_gadget/g1/functions/hid.usb0/report_desc
+	ln -s /config/usb_gadget/g1/functions/hid.usb0 /config/usb_gadget/g1/configs/b.1/fhid
+	echo "$controller" >/config/usb_gadget/g1/UDC
 }
 
 
-if [ "$1" != "setup"]; then
+if ! [[ "$1" == "setup" ]]; then
 	exit 1
 fi
 shift

customize.sh

@@ -0,0 +1,2 @@
+sed "s@\[MODDIR\]@$MODPATH@g" "$MODPATH/overlay.d/ghid.rc" | sed 's/modules_update/modules/g' >"$TMPDIR/ghid.rc"
+cp "$TMPDIR/ghid.rc" "$MODPATH/overlay.d/ghid.rc"

module.prop

@@ -1,6 +1,6 @@
 id=ghid
 name=ghid
 version=0
-versionCode=0
+versionCode=6
 author=lordwelch
 description=creates ghid device files in /dev

overlay.d/ghid.rc

@@ -1,2 +1,2 @@
 on property:sys.usb.ffs.ready=1 && property:sys.usb.config=* && property:sys.usb.configfs=1
-    exec - -- [MODDIR]/bin/ghid.sh setup ${sys.usb.config}
+    exec - -- [MODDIR]/bin/ghid.sh setup ${sys.usb.config}

overlay.d/sbin/testing

@@ -0,0 +1 @@
+testing