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141 lines
5.0 KiB
141 lines
5.0 KiB
<img src="https://github.com/knaccc/i2p-zero/blob/master/i2p-zero.png" align="left" width="336" height="124">
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## Zero dependency, small footprint, cross-platform I2P Java Router with GUI, simple tunnel/socks controller and SAM interface
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##
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This project will run under Linux, and build native launchers for Linux, MacOS and Windows.
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The launchers will include the I2P router, a SAM listener, simple tunnel and socks tunnel functionality and a minimal JVM.
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## GUI Screenshots
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<img src="https://github.com/knaccc/i2p-zero/blob/master/screenshot1.png" align="center" width="472" height="451">
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<br/>
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<img src="https://github.com/knaccc/i2p-zero/blob/master/screenshot2.png" align="center" width="892" height="498">
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## Footprint
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The zero-dependency distribution sizes are as follows:
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OS | Uncompressed size (MB) | xz Compressed size (MB)
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------------ | ------------- | -------------
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Linux | 42.6 | 23.4
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MacOS | 40.2 | 21.1
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Windows | 33.1 | 20.8
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## Building the launchers
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From a freshly installed Ubuntu system, first ensure git is installed:
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`sudo apt install git`
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Then, retrieve this project from git:
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`git clone https://github.com/knaccc/i2p-zero.git`
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Note that the current version of this script uses jdk-11.0.2. If this version of Java becomes no longer available for
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download, then update the references to jdk-11.0.2 in java-config.sh to the later version. To locate a recent
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JDK download URL, see https://jdk.java.net/11/
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Also note that JDKs for Linux, MacOS and Windows will be downloaded, which will total several hundred megabytes.
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Run the `bin/build-all.sh` script, which will in turn call the following scripts:
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1. `bin/import-packages.sh` to retrieve the I2P Java sources, OpenJDK and the Ant build tool
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2. `bin/build-original-i2p.sh` to build the I2P project retrieved from the I2P repository
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3. `build-launcher.sh` to convert the I2P JARs to modules, compile the Java source code in this project, and then use
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the jlink tool to build zero-dependency platform-specific launchers.
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## Running the launchers
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To run the Linux router, type:
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`dist/linux/router/bin/launch.sh`
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or `dist/linux/router/bin/launch-gui.sh`
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To run the MacOS router, type:
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`dist/mac/router/bin/launch.sh`
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or `dist/mac/router/bin/launch-gui.sh`
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For Windows, run:
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`dist/windows/router/bin/launch.bat`
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or `dist/windows/router/bin/launch-gui.bat`
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Note that for the Windows GUI to run, you may need to install the latest <a href="https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads">Microsoft Visual C++ Redistributable</a>
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If it launches successfully, you'll see the message:
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```
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I2P router launched. SAM listening on port 7656.
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Press Ctrl-C to gracefully shut down the router (or send the SIGINT signal to the process).
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```
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## Check that the I2P router is running and that it is listening for SAM connections
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`fuser 7656/tcp`
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## Tunnel control
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Note that it may take a short while for new tunnels to be set up.
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Call the `dist/linux/router/bin/tunnel-control.sh` script as follows to create and destroy tunnels:
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#### Get the router reachability status. Returns a string such as "testing", "firewalled", "running", "error"
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`tunnel-control.sh router.reachability`
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#### Listen for I2P connections and forward them to the specified host and port. Returns the I2P base 32 destination address for the server tunnel created.
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Optionally, specify a directory for storing/reading the server key file.
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If the directory doesn't exist with a file named *.b32.i2p.keys in it,
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returns a newly created destination address and writes the secret key for the
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new address to a file called <I2P dest addr>.keys in the specified directory. Otherwise, read the existing
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secret key from that directory. The server tunnel will listen for I2P connections and forward them to the
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specified host and port. Note that the base 32 I2P destination address deterministically depends on the contents of the .keys file).
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`tunnel-control.sh server.create <host> <port> <(optional) directory>`
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#### Close the tunnel listening for connections on the specified I2P destination address. Returns "OK".
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`tunnel-control.sh server.destroy <base 32 I2P address>`
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#### Create a tunnel that listens for connections on localhost on the specified port and forwards connections over I2P to the specified destination public key.
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`tunnel-control.sh client.create <local port> <I2P destination public key>`
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#### Close the tunnel listening for connections on the specified port. Returns "OK".
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`tunnel-control.sh client.destroy <local port>`
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#### Create a socks tunnel, listening on the specified port
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`tunnel-control.sh socks.create <local port>`
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#### Destroy the socks tunnel listening on the specified port
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`tunnel-control.sh socks.destroy <local port>`
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#### Destroy all tunnels. Returns "OK"
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`tunnel-control.sh all.destroy`
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#### List all tunnels. Returns JSON string containing information about all tunnels currently in existence
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`tunnel-control.sh all.list`
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#### Start a SAM listener on port 7656. Returns "OK"
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`tunnel-control.sh sam.create`
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## Watch the I2P log for messages
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`tail -f dist/linux/router/i2p.config/wrapper.log` |