Add android-extract-ndk.sh to automatically pull out libndk translations for arm apps

Author: sickcodes

README.md

@@ -1,2 +1,64 @@
 # Droid-NDK-Extractor
 Android NDK Extractor - Extract ARM native bridge translations for use in any Android derivative.
+
+System Requirements:
+
+```
+p7zip
+binwalk
+git
+```
+
+`./android-extract-ndk.sh`
+
+```bash
+
+#!/bin/bash
+# Author:       sickcodes
+# Contact:      https://twitter.com/sickcodes
+# Repo:         https://github.com/sickcodes/Droid-NDK-Extractor
+# Copyright:    sickcodes (C) 2021
+# License:      GPLv3+
+
+ARCH="${1}"
+ARCH="${ARCH:="x86_64"}"
+
+mkdir ./working
+
+cd ./working
+
+git clone https://gitlab.com/android-generic/android_vendor_google_emu-x86.git
+
+yes | ./android_vendor_google_emu-x86/download-files.sh "${ARCH}"
+
+yes | unzip "${ARCH}-*-linux.zip"
+
+7z e x86_64/system.img
+
+binwalk -e \
+    --depth 1 \
+    --count 1 \
+    -y 'filesystem' \
+    super.img # only search for filesystem signatures
+
+# 1048576       0x100000        \
+# Linux EXT filesystem, blocks count: 234701, \
+# image size: 240333824, rev 1.0, ext2 filesystem data, \
+# UUID=31e7cd0f-5577-515b-bea5-c836952b952b, volume name "/"
+
+mkdir extracted
+cd extracted
+
+yes | 7z x ../_super.img.extracted/100000.ext
+
+find system \( -name 'libndk_translation*' -o -name '*arm*' -o -name 'ndk_translation*' \) | tar -cf native-bridge.tar -T -
+
+pwd
+
+stat native-bridge.tar
+
+echo "${PWD}/native-bridge.tar"
+
+# move native-bridge.tar somewhere, and remove the ./working folder as it is no longer required.
+
+```

android-extract-ndk.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+# Author:       sickcodes
+# Contact:      https://twitter.com/sickcodes
+# Repo:         https://github.com/sickcodes/Droid-NDK-Extractor
+# Copyright:    sickcodes (C) 2021
+# License:      GPLv3+
+
+ARCH="${1}"
+ARCH="${ARCH:="x86_64"}"
+
+mkdir ./working
+
+cd ./working
+
+git clone https://gitlab.com/android-generic/android_vendor_google_emu-x86.git
+
+yes | ./android_vendor_google_emu-x86/download-files.sh "${ARCH}"
+
+yes | unzip "${ARCH}-*-linux.zip"
+
+7z e x86_64/system.img
+
+binwalk -e \
+    --depth 1 \
+    --count 1 \
+    -y 'filesystem' \
+    super.img # only search for filesystem signatures
+
+# 1048576       0x100000        \
+# Linux EXT filesystem, blocks count: 234701, \
+# image size: 240333824, rev 1.0, ext2 filesystem data, \
+# UUID=31e7cd0f-5577-515b-bea5-c836952b952b, volume name "/"
+
+mkdir extracted
+cd extracted
+
+yes | 7z x ../_super.img.extracted/100000.ext
+
+find system \( -name 'libndk_translation*' -o -name '*arm*' -o -name 'ndk_translation*' \) | tar -cf native-bridge.tar -T -
+
+pwd
+
+stat native-bridge.tar
+
+echo "${PWD}/native-bridge.tar"
+
+# move native-bridge.tar somewhere, and remove the ./working folder as it is no longer required.