cpggen 0.4.0

Generate CPG for multiple languages for use with joern

CPG Generator

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CPG Generator is a python cli tool to generate Code Property Graph for multiple languages. The generated CPG can be directly imported to Joern or uploaded to Qwiet.AI for analysis.

Installation

cpggen is available as a PyPI package or as a container image.

pip install cpggen

Bundled container image

docker pull ghcr.io/appthreat/cpggen
# podman pull ghcr.io/appthreat/cpggen

Usage

To auto detect the language from the current directory and generate CPG.

cpggen

To specify input and output directory.

cpggen -i <src directory> -o <CPG directory or file name>

You can even pass a git url as source

cpggen -i https://github.com/HooliCorp/vulnerable-aws-koa-app -o /tmp/cpg

To specify language type.

cpggen -i <src directory> -o <CPG directory or file name> -l java

Container based invocation

docker run --rm -it -v /tmp:/tmp -v $(pwd):/app:rw --cpus=4 --memory=16g -t ghcr.io/appthreat/cpggen cpggen -i <src directory> -o <CPG directory or file name>

Server mode

cpggen can run in server mode.

cpggen --server

You can invoke the endpoint /cpg to generate CPG.

curl "http://127.0.0.1:7072/cpg?src=/Volumes/Work/sandbox/vulnerable-aws-koa-app&out_dir=/tmp/cpg_out&lang=js"

curl "http://127.0.0.1:7072/cpg?url=https://github.com/HooliCorp/vulnerable-aws-koa-app&out_dir=/tmp/cpg_out&lang=js"

Environment variables

Name	Purpose
JOERN_HOME	Joern installation directory
CPGGEN_HOST	cpggen server host. Default 127.0.0.1
CPGGEN_PORT	cpggen server port. Default 7072
CPGGEN_CONTAINER_CPU	CPU units to use in container execution mode. Default 2
CPGGEN_CONTAINER_MEMORY	Memory units to use in container execution mode. Default 32g
CPGGEN_MEMORY	Heap memory to use for frontends. Default 32G