tor-android/BUILD

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This document explains how to properly build an Android package of Orbot from
source. It covers building on Debian Lenny (5.0.3).
Please install the following prerequisites (instructions for each follows):
ant: http://ant.apache.org/
Android OS SDK: http://source.android.com/download
droid-wrapper: http://github.com/tmurakam/droid-wrapper
libevent source (1.4.12-stable from svn)
Tor source (most recent git master branch)
Privoxy source (http://sourceforge.net/projects/ijbswa/)
Install and prepare the Android OS SDK ( http://source.android.com/download )
on Debian Lenny:
sudo apt-get install git-core gnupg sun-java5-jdk flex bison gperf \
libsdl-dev libesd0-dev libwxgtk2.6-dev build-essential zip \
curl libncurses5-dev zlib1g-dev valgrind libtool automake \
ruby subversion
update-java-alternatives -s java-1.5.0-sun
curl http://android.git.kernel.org/repo >~/bin/repo
chmod a+x ~/bin/repo
mkdir ~/mydroid
cd ~/mydroid
repo init -u git://android.git.kernel.org/platform/manifest.git
repo sync
# Paste in key from http://source.android.com/download next...
gpg --import
cd ~/mydroid
# This takes a long while...
make
Install droid-wrapper:
cd /tmp
git clone git://github.com/tmurakam/droid-wrapper.git
cd droid-wrapper
sudo make install
zlib and OpenSSL are included with the Android OS SDK. You'll need to build
libevent, Privoxy and finally Tor. We'll create an externals directory for this code:
mkdir -p ~/mydroid/external/{libevent,tor,privoxy}
We need to set to environment variables for droid-gcc:
export DROID_ROOT=~/mydroid/
export DROID_TARGET=generic
Fetch and build Privoxy:
cd ~/mydroid/external/privoxy
wget http://sourceforge.net/projects/ijbswa/files/Sources/3.0.12%20%28stable%29/privoxy-3.0.12-stable-src.tar.gz/download
tar xzvf privoxy-3.0.12-stable-src.tar.gz
cd privoxy-3.0.12-stable
autoheader
autoconf
#need to disable setpgrp check in configure
export ac_cv_func_setpgrp_void=yes
CC=droid-gcc LD=droid-ld CPPFLAGS="-I/home/foo/mydroid/external/zlib"./configure --host=arm-none-linux-gnueabi
#don't mind the "unrecognized option '-pthread'" error message that you'll see when you run make
make
Fetch and build libevent:
cd ~/mydroid/external/libevent
svn co https://levent.svn.sourceforge.net/svnroot/levent/tags/release-1.4.12-stable/libevent/ .
export LIBEVENTDIR=`pwd`
./autogen.sh
# Put the contents of http://pastebin.ca/1577207 in /tmp/libevent-patch
patch < /tmp/libevent-patch
CC=droid-gcc LD=droid-ld ./configure --host=arm-none-linux-gnueabi
make
Copy over the libevent library:
cp .libs/libevent.a ~/mydroid/out/target/product/generic/obj/lib
Fetch and build Tor:
export OPENSSLDIR=`cd ~/mydroid/external/openssl/include/ && pwd`
export ZLIBDIR=`cd ~/mydroid/external/zlib && pwd`
cd ~/mydroid/external/tor
git clone git://git.torproject.org/git/tor.git
cd tor/
./autogen.sh
CC=droid-gcc LD=droid-ld ./configure --host=arm-none-linux-gnueabi \
--with-libevent-dir=$LIBEVENTDIR --with-openssl-dir=$OPENSSLDIR \
--with-zlib-dir=$ZLIBDIR
make
At this point, you'll have a Tor binary that can be run on an Android handset.
This isn't enough though and we'll now sew up the binary into a small package
that will handle basic Tor controlling features.
2009-10-25 05:06:49 +00:00
We need to build our Java SOCKS library:
# If you're in Orbot's directory already...
cd ../asocks/
ant compile
ant jar
cp bin/jar/asocks.jar ../Orbot/libs
We need to get the TorControl library for Java:
(see also https://svn.torproject.org/svn/torctl/trunk/doc/howto.txt)
git clone git://git.torproject.org/git/jtorctl
cd jtorctl
mkdir bin
javac net/freehaven/tor/control/TorControlConnection.java -d bin
cd bin
jar cvf jtorctrl.jar *
cp jtorctrl.jar {Orbot Home}/libs
Finally, we'll make a proper Android package with ant and the Android App SDK:
export APP_SDK=~/Documents/projects/android/android-sdk-linux_x86-1.5_r3/tools
2009-10-25 05:06:49 +00:00
cd ../Orbot/
cp ~/mydroid/external/privoxy/privoxy-3.0.12-stable/privoxy assets/privoxy
cp ~/mydroid/external/tor/tor/src/or/tor assets/tor
$APP_SDK/android update project --name Orbot --target 1 --path .
ant release
This will produce an unsigned Tor package in ./bin/Orbot-unsigned.apk!
To produce a usable package, you'll need to sign the .apk. The basics on
signing can be found on the Android developer site:
http://developer.android.com/guide/publishing/app-signing.html
The three steps are quite simple. First, you'll generate a key. Secondly,
you'll sign the application. Thirdly, you'll verify the the apk.
Generating a signing key:
keytool -genkey -v -keystore my-release-key.keystore \
-alias orbots_key -keyalg RSA -validity 10000
Sign the apk:
jarsigner -verbose -keystore my-release-key.keystore \
bin/Orbot-unsigned.apk orbots_key
Verify the signature for the apk:
jarsigner -verify bin/Orbot-unsigned.apk
mv bin/Orbot-unsigned.apk bin/Orbot-signed-alpha.apk
You can also GPG sign the apk and generate an .asc:
gpg -ab Orbot-signed-alpha.apk
Now you should have a fully signed and production ready alpha release of Orbot!
Give bin/Orbot-signed-alpha.apk an install and send us bug reports!