The CycloneDX module for .NET creates a valid CycloneDX bill-of-material document containing an aggregate of all project dependencies. CycloneDX is a lightweight BOM specification that is easily created, human readable, and simple to parse.
This module runs on
- .NET 6.0
- .NET 7.0
- .NET 8.0
This module no longer runs on
- .NET Core 2.1
- .NET Core 3.1
- .NET 5.0
- see https://dotnet.microsoft.com/en-us/platform/support/policy/dotnet-core for more information
CycloneDX for .NET is distributed via NuGet and Docker Hub.
dotnet tool install --global CycloneDXIf you already have a previous version of CycloneDX installed, you can upgrade to the latest version using the following command:
dotnet tool update --global CycloneDXdotnet CycloneDX <path> -o <OUTPUT_DIRECTORY>docker run cyclonedx/cyclonedx-dotnet [OPTIONS] <path>Usage:
CycloneDX <path> [options]
Arguments:
<path> The path to a .sln, .csproj, .fsproj, .vbproj, or packages.config file or the path to a directory which will be recursively analyzed for packages.config files.
Options:
-tfm, --framework <framework> The target framework to use. If not defined, all will be aggregated.
-rt, --runtime <runtime> The runtime to use. If not defined, all will be aggregated.
-o, --output <output> The directory to write the BOM
-fn, --filename <filename> Optionally provide a filename for the BOM (default: bom.xml or bom.json)
-j, --json Produce a JSON BOM instead of XML
-ed, --exclude-dev Exclude development dependencies from the BOM (see https://github.com/NuGet/Home/wiki/DevelopmentDependency-support-for-PackageReference)
-t, --exclude-test-projects Exclude test projects from the BOM
-u, --url <url> Alternative NuGet repository URL to https://<yoururl>/nuget/<yourrepository>/v3/index.json
-us, --baseUrlUsername <baseUrlUsername> Alternative NuGet repository username
-usp, --baseUrlUserPassword <baseUrlUserPassword> Alternative NuGet repository username password/apikey
-uspct, --isBaseUrlPasswordClearText Alternative NuGet repository password is cleartext
-rs, --recursive To be used with a single project file, it will recursively scan project references of the supplied project file
-ns, --no-serial-number Optionally omit the serial number from the resulting BOM
-gu, --github-username <github-username> Optionally provide a GitHub username for license resolution. If set you also need to provide a GitHub personal access token
-gt, --github-token <github-token> Optionally provide a GitHub personal access token for license resolution. If set you also need to provide a GitHub username
-gbt, --github-bearer-token <github-bearer-token> Optionally provide a GitHub bearer token for license resolution. This is useful in GitHub actions
-egl, --enable-github-licenses Enables GitHub license resolution
-dpr, --disable-package-restore Optionally disable package restore
-dhc, --disable-hash-computation Optionally disable hash computation for packages
-dct, --dotnet-command-timeout <dotnet-command-timeout> dotnet command timeout in milliseconds (primarily used for long dotnet restore operations) [default: 300000]
-biop, --base-intermediate-output-path <base-intermediate-output-path> Optionally provide a folder for customized build environment. Required if folder 'obj' is relocated.
-imp, --import-metadata-path <import-metadata-path> Optionally provide a metadata template which has project specific details.
-ipr, --include-project-references Include project references as components (can only be used with project files).
-sn, --set-name <set-name> Override the autogenerated BOM metadata component name.
-sv, --set-version <set-version> Override the default BOM metadata component version (defaults to 0.0.0).
-st, --set-type <Application|Container|Data|Device|Device_Driver| Override the default BOM metadata component type (defaults to application). [default: Application]
File|Firmware|Framework|Library|
Machine_Learning_Model|Null|Operating_System|Platform>
--version Show version information
-?, -h, --help Show help and usage information
To run the CycloneDX tool you need to specify a solution or project file. In case you pass a solution, the tool will aggregate all the projects.
The following will create a BOM from a solution and all projects defined within:
dotnet CycloneDX YourSolution.sln -o /output/pathThe following will recursively scan the directory structure for packages.config and create a BOM:
dotnet CycloneDX /path/to/project -o /output/pathThe following will recursively scan the project references of the supplied project file, and create a BOM of all package references from all included projects:
dotnet CycloneDX /path/to/project/MyProject.csproj -o /output/path -rsProject metadata template example
<?xml version="1.0" encoding="utf-8"?>
<bom xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" serialNumber="urn:uuid:087d0712-f591-4995-ba76-03f1c5c48884" version="1" xmlns="http://cyclonedx.org/schema/bom/1.2">
<metadata>
<component type="application" bom-ref="pkg:nuget/[email protected]">
<name>CycloneDX</name>
<version>1.3.0</version>
<description>
< for .NET creates a valid CycloneDX bill-of-material document containing an aggregate of all project dependencies. CycloneDX is a lightweight BOM specification that is easily created, human readable, and simple to parse.]]>
</description>
<licenses>
<license>
<name>Apache License 2.0</name>
<id>Apache-2.0</id>
</license>
</licenses>
<purl>pkg:nuget/[email protected]</purl>
</component>
</metadata>
</bom>Update the data and import it within a build pipeline e.g. create the file using a script and add also dynamic data (version, timestamp, ...)
SPDX license IDs can be resolved for packages that reference a supported license file in a GitHub repository.
The GitHub license API has an unauthenticated call limit of 60 calls per hour. To ensure consistent output if a rate limit is exceeded BOM generation will fail. If you start hitting rate limits you will need to generate a personal access token and provide this, and your username, when running CycloneDX.
To generate a token go to
Personal access tokens under
Settings / Developer setings. From there select the option to
Generate new token. No special token
permissions are required.
Due to current limitations in the GitHub API licenses will only be resolved for master branch license references.
Permission to modify and redistribute is granted under the terms of the Apache 2.0 license. See the LICENSE file for the full license.
Pull requests are welcome. But please read the CycloneDX contributing guidelines first.
To build and test the solution locally you should have .NET 6.0 or .NET 7.0
installed. Standard commands like dotnet build and dotnet test work.
Alternatively, you can use VS Code and the included devcontainer configuration to work in a pre-configured docker image. (You will also need the "Remote - Containers" extension and Docker)
It is generally expected that pull requests will include relevant tests. Tests are automatically run on Windows, MacOS and Linux for every pull request. And build warnings will break the build.
If you are having trouble debugging a test that is failing for a platform you don't have access to please us know.
Thanks to Gitpod there is a really easy way of creating a ready to go development environment with VS Code. You can open a Gitpod hosted development environment in your browser.
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