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meta-security-isafw is an OE layer that allows enabling the Image Security Analysis Framework (isafw) for your image builds.

The primary purpose of isafw is to provide an extensible framework for analysing different security aspects of images during the build process.

The isafw project itself can be found at

The framework supports a number of callbacks (such as process_package(), process_filesystem(), and etc.) that are invoked by the bitbake during different stages of package and image build. These callbacks are then forwarded for processing to the avaliable ISA FW plugins that have registered for these callbacks. Plugins can do their own processing on each stage of the build process and produce security reports.


The meta-security-isafw layer depends on the Open Embeeded core layer:



In order to enable the isafw during the image build, please add the following line to your build/conf/local.conf file:

INHERIT += "isafw"

Next you need to update your build/conf/bblayers.conf file with the location of meta-security-isafw layer on your filesystem along with any other layers needed. e.g.:

  /OE/oe-core/meta \
  /OE/meta-security-isafw \

Also, some isafw plugins require network connection, so in case of a proxy setup please make sure to export http_proxy variable into your environment.

In order to produce image reports, you can execute image build normally. For example:

bitbake core-image-minimal

If you are only interested to produce a report based on packages and without building an image, please use:

bitbake -c analyse_sources_all core-image-minimal


All isafw plugins by default create their logs under the ${LOG_DIR}/isafw-report/ directory, where ${LOG_DIR} is a bitbake default location for log files. If you wish to change this location, please define ISAFW_REPORTDIR variable in your local.conf file.


Please submit any patches via Github pull requests.

Maintainer: Elena Reshetova

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