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53 Commits

Author SHA1 Message Date
Vlad Klokun
c717a9233b Merge pull request #1046 from fredbi/fix/1040-empty-framework-name
fix ListFrameworks (could return an empty element)
2023-01-20 17:16:31 +02:00
Frédéric BIDON
e37f47de3a fix ListFrameworks (could return an empty element)
Signed-off-by: Frédéric BIDON <fredbi@yahoo.com>
2023-01-20 14:06:51 +01:00
David Wertenteil
2ce37bd66e Merge pull request #1036 from kubescape/update-logs
Update logs
2023-01-13 14:11:49 +02:00
David Wertenteil
13c760c116 Merge branch 'master' into dev 2023-01-13 14:06:54 +02:00
David Wertenteil
c6261e45a8 Merge pull request #1026 from kubescape/fix-command-indentation
Fix command indentation
2023-01-13 13:40:46 +02:00
David Wertenteil
0c06b6c3e6 enable --create-account flag 2023-01-13 13:27:05 +02:00
David Wertenteil
18a9ac3d6e adding debug logs 2023-01-13 13:26:36 +02:00
David Wertenteil
2bfe2a590c Merge pull request #1034 from matthyx/1032
only attempt to print existing attack graphs
2023-01-13 13:24:08 +02:00
David Wertenteil
fb54f4e6cf Merge pull request #945 from suhasgumma/fix-command1
Add support for fixing Individual Files using "fix" command
2023-01-13 13:23:37 +02:00
Vlad Klokun
9025ba5537 chore: reword unsupported scanning target error message 2023-01-13 12:47:07 +02:00
Vlad Klokun
0c23579db7 docs: clarify the comment adjusting the repoRoot 2023-01-13 12:47:07 +02:00
suhasgumma
a755f365df Fixed: Fix not working when multiple individual files are passed 2023-01-13 12:47:07 +02:00
suhasgumma
15f7b9f954 Add Comment 2023-01-13 12:47:07 +02:00
suhasgumma
92a2704fa6 Fix RelSource for Files 2023-01-13 12:47:07 +02:00
Vlad Klokun
a3defe3025 chore: keep CRLF in fixhandler test data file 2023-01-13 12:03:12 +02:00
David Wertenteil
2be0ef48d8 Merge pull request #1007 from matthyx/bitbucket
add support for Bitbucket scanning
2023-01-13 09:51:57 +02:00
Matthias Bertschy
c97513e4e8 only attempt to print existing attack graphs 2023-01-13 08:38:29 +01:00
Matthias Bertschy
1757c891aa add support for Bitbucket scanning 2023-01-13 07:35:07 +01:00
Vlad Klokun
b02410184e fix: follow newline conventions of the autofixed file
This change makes the autofix handler use the newline separator defined
in the fixed file for writing its changes.
2023-01-12 19:25:39 +02:00
David Wertenteil
b4a6a18a56 Merge pull request #1030 from dwertent/master
Update github workflows and temapltes
2023-01-12 14:14:03 +02:00
David Wertenteil
13ca0027a2 upgrade templates 2023-01-12 14:06:04 +02:00
Moshe Rappaport
93b626bb1e Merge pull request #1029 from dwertent/update-workflow
golangci-lint will setup go version 1.19
2023-01-12 13:48:53 +02:00
David Wertenteil
6b4310cd88 golangci-lint - continue-on-error 2023-01-12 13:46:12 +02:00
David Wertenteil
c883a297b3 do not run GH WF on none code dirs 2023-01-12 13:45:10 +02:00
David Wertenteil
3af351d91f Remove new pr welcome bot 2023-01-12 13:40:34 +02:00
David Wertenteil
93cde0f1a0 golangci-lint will setup go version 1.19 2023-01-12 13:38:29 +02:00
David Wertenteil
0a5715393c Merge pull request #1027 from kubescape/hot-fix-v2.0.181
setCloudMetadata only when scanning a cluster
2023-01-11 23:19:28 +02:00
David Wertenteil
9a1cc33efa setCloudMetadata only when scanning a cluster 2023-01-11 23:03:56 +02:00
Vlad Klokun
02720d32dd tests: extend test cases for autofix inserts
This change re-organizes the test cases for inserts performed by the
autofixing feature.
2023-01-11 20:21:22 +02:00
Vlad Klokun
ebada00cf1 tests: show diffs when comparing autofixes
This change refactors the TestApplyFixKeepsFormatting test to use
assert.Equalf so it will display a convenient diff between the expected
and actual fixing result.
2023-01-11 20:21:22 +02:00
Vlad Klokun
3b68fc94d1 tests: test fixing close to newline-separated keys in hybrid scenarios 2023-01-11 20:21:22 +02:00
Vlad Klokun
10d534b5bf tests: test autofixing files with comments between fields 2023-01-11 20:21:22 +02:00
Vlad Klokun
2d740fbf4f tests: test autofixing indented lists in hybrid scenarios 2023-01-11 20:21:22 +02:00
Vlad Klokun
d0728676ee tests: re-organize autofixing unit tests
This change:
- Changes test data naming convention to be lexicographically sortable
  and have input and expected data side-by-side.
- Executes each test case in a separate run.
2023-01-11 20:21:22 +02:00
suhasgumma
8856c84a17 fix: keep user formatting when autofixing 2023-01-11 20:21:12 +02:00
Amir Malka
0c87ff6843 Initial implementation of fix command (#898)
* Fix command initial implementation
2023-01-11 20:18:37 +02:00
David Wertenteil
a48d9be386 Merge pull request #1013 from fredbi/test/more-getter-tests
Refactored LoadPolicy getter, with unit tests
2023-01-11 13:46:08 +02:00
David Wertenteil
3c93c2c45c Merge pull request #1004 from darkweaver87/fix/panic
🐛 fix/panic
2023-01-11 12:06:01 +02:00
David Wertenteil
77e0a04c99 fixed unit test 2023-01-11 11:31:30 +02:00
David Wertenteil
b8762b924c Merge branch 'dev' into test/more-getter-tests 2023-01-11 11:21:43 +02:00
David Wertenteil
025e75213a Merge pull request #1017 from matthyx/remotes
fix: branchRef.Remote can be a gitUrl
2023-01-11 09:01:31 +02:00
Craig Box
c39683872e Initial documentation update upon joining the CNCF (#1020)
* Initial refactor

Signed-off-by: Craig Box <craigb@armosec.io>

* Initial refactor.

Signed-off-by: Craig Box <craigb@armosec.io>

* Now how did that get in there?

Signed-off-by: Craig Box <craigb@armosec.io>

* small fixes

Signed-off-by: Craig Box <craigb@armosec.io>

* Use GitHub note and warning syntax

Signed-off-by: Craig Box <craigb@armosec.io>

* second guessing thing with no docs

Signed-off-by: Craig Box <craigb@armosec.io>

* Final changes

Signed-off-by: Craig Box <craigb@armosec.io>

Signed-off-by: Craig Box <craigb@armosec.io>
2023-01-11 08:53:55 +02:00
Matthias Bertschy
1a3a58a309 fix: branchRef.Remote can be a gitUrl 2023-01-11 07:48:31 +01:00
Matthias Bertschy
19438e6143 Merge pull request #1012 from anubhav06/azure-scanning
added Azure repo scanning support
2023-01-11 07:21:11 +01:00
Anubhav Gupta
284c8c737b Merge branch 'dev' of https://github.com/anubhav06/kubescape into azure-scanning 2023-01-10 23:30:11 +05:30
Anubhav Gupta
3441a65290 added Azure repo scanning support
Signed-off-by: Anubhav Gupta <mail.anubhav06@gmail.com>
2023-01-10 23:29:35 +05:30
Frederic BIDON
773e43b1e1 refact(getter): refactored loadpolicy
* feat: added support for ListControls and GetFrameworks
* perf: introduced jsoniter unmarshalling for faster decoding
* introduced stricted error handling & predefined errors:
  * suppressed edge cases when a flaky value is returned instead of an error
* added full unit tests of LoadPolicy

Signed-off-by: Frederic BIDON <fredbi@yahoo.com>
2023-01-09 14:48:18 +01:00
Rémi BUISSON
5bb0c97f8f fix: panic on non-cluster scan 2023-01-09 10:34:08 +01:00
Rémi BUISSON
256db4abfb Revert "🐛 fix panic"
This reverts commit 08b8ae45432ddab5137b18347190b505f28e8389.
2023-01-09 08:56:48 +01:00
Rémi BUISSON
3546961a5e 🐛 fix panic 2023-01-09 08:56:48 +01:00
David Wertenteil
f1514d6e76 Merge pull request #1002 from kubescape/hot-fix-windows-url
update opa-utils pkg with URL parsing fixed
2023-01-03 22:39:07 +02:00
David Wertenteil
3a038c9a0e update opa-utils pkg with URL parsing fixed 2023-01-03 22:24:37 +02:00
David Wertenteil
b4bdf4d860 Release (#1000)
* fixed flaky loop(cautils): loadpolicy getter

We should not inject pointers to the variable iterated over by the
"range" operator.

Signed-off-by: Frédéric BIDON <fredbi@yahoo.com>

* fixed more flaky pointers in loops (registryadaptors, opaprocessor)

Signed-off-by: Frédéric BIDON <fredbi@yahoo.com>

* fixed more flaky pointers in loops (resultshandling)

Signed-off-by: Frédéric BIDON <fredbi@yahoo.com>

* enabled golangci linter in CI

Signed-off-by: Frédéric BIDON <fredbi@yahoo.com>

* fixed linting issues with minimal linters config

Signed-off-by: Frédéric BIDON <fredbi@yahoo.com>

* bump go version to 1.19

* English and typos

* Support AKS parser (#994)

* support GKE parser

* update go mod

* support GKE parser

* update go mod

* update k8s-interface pkg

* Added KS desgin.drawio

* revert k8s.io to v0.25.3

* ran go mod tidy

* update sign-up url

* [wip] Adding CreateAccount support

* revert to docs URL

* update opa-utils pkg

* Print attack tree (optional, with argument) (#997)

* Print attack tree with the argument


Signed-off-by: Frédéric BIDON <fredbi@yahoo.com>
Co-authored-by: Frédéric BIDON <frederic@oneconcern.com>
Co-authored-by: Frédéric BIDON <fredbi@yahoo.com>
Co-authored-by: Oshrat Nir <45561829+Oshratn@users.noreply.github.com>
Co-authored-by: Amir Malka <amirm@armosec.io>
Co-authored-by: David Wertenteil <dwertent@armosec.io>
2023-01-03 11:30:09 +02:00
118 changed files with 10532 additions and 845 deletions

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@@ -0,0 +1,2 @@
# Keep CRLF newlines in appropriate test files to have reproducible tests
core/pkg/fixhandler/testdata/inserts/*-crlf-newlines.yaml text eol=crlf

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@@ -2,33 +2,32 @@
name: Bug report
about: Create a report to help us improve
title: ''
labels: ''
labels: 'bug'
assignees: ''
---
# Describe the bug
A clear and concise description of what the bug is.
# Description
<!-- A clear and concise description of what the bug is. -->
# Environment
OS: the OS + version youre running Kubescape on, e.g Ubuntu 22.04 LTS
Version: the version that Kubescape reports when you run `kubescape version`
```
Your current version is:
```
OS: ` ` <!-- the OS + version youre running Kubescape on, e.g Ubuntu 22.04 LTS -->
Version: ` ` <!-- the version that Kubescape reports when you run `kubescape version` -->
# Steps To Reproduce
<!--
Steps to reproduce the behavior:
1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error
-->
# Expected behavior
A clear and concise description of what you expected to happen.
<!-- A clear and concise description of what you expected to happen. -->
# Actual Behavior
A clear and concise description of what happened. If applicable, add screenshots to help explain your problem.
<!-- A clear and concise description of what happened. If applicable, add screenshots to help explain your problem. -->
# Additional context
Add any other context about the problem here.
<!-- Add any other context about the problem here. -->

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@@ -2,18 +2,23 @@
name: Feature request
about: Suggest an idea for this project
title: ''
labels: ''
labels: 'feature'
assignees: ''
---
**Is your feature request related to a problem? Please describe.**</br>
> A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
**Describe the solution you'd like.**</br>
> A clear and concise description of what you want to happen.
## Overview
<!-- A brief overview of the related current state -->
**Describe alternatives you've considered.**</br>
> A clear and concise description of any alternative solutions or features you've considered.
## Problem
<!-- A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] -->
**Additional context.**</br>
> Add any other context or screenshots about the feature request here.
## Solution
<!-- A clear and concise description of what you want to happen. -->
## Alternatives
<!-- A clear and concise description of any alternative solutions or features you've considered. -->
## Additional context
<!-- Add any other context or screenshots about the feature request here. -->

View File

@@ -1,13 +1,39 @@
## Describe your changes
## Overview
<!-- Please provide a brief overview of the changes made in this pull request. e.g. current behavior/future behavior -->
## Screenshots - If Any (Optional)
<!--
## Additional Information
## This PR fixes:
> Any additional information that may be useful for reviewers to know
-->
* Resolved #
<!--
## How to Test
> Please provide instructions on how to test the changes made in this pull request
-->
<!--
## Examples/Screenshots
> Here you add related screenshots
-->
<!--
## Related issues/PRs:
Here you add related issues and PRs.
If this resolved an issue, write "Resolved #<issue number>
e.g. If this PR resolves issues 1 and 2, it should look as follows:
* Resolved #1
* Resolved #2
-->
<!--
## Checklist before requesting a review
<!-- put an [x] in the box to get it checked -->
put an [x] in the box to get it checked
- [ ] My code follows the style guidelines of this project
- [ ] I have commented on my code, particularly in hard-to-understand areas
@@ -16,3 +42,6 @@
- [ ] New and existing unit tests pass locally with my changes
**Please open the PR against the `dev` branch (Unless the PR contains only documentation changes)**
-->

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@@ -5,10 +5,19 @@ on:
- dev
pull_request:
types: [ edited, opened, synchronize, reopened ]
branches: [ master, dev ]
branches:
- 'master'
- 'main'
- 'dev'
paths-ignore:
- '**.yaml'
- '**.md'
- '**.sh'
- 'website/*'
- 'examples/*'
- 'docs/*'
- 'build/*'
- '.github/*'
permissions:
contents: read
# Optional: allow read access to pull request. Use with `only-new-issues` option.
@@ -20,13 +29,14 @@ jobs:
steps:
- uses: actions/setup-go@v3
with:
go-version: 1.18
go-version: 1.19
- uses: actions/checkout@v3
with:
submodules: recursive
- name: Install libgit2
run: make libgit2
- name: golangci-lint
continue-on-error: true
uses: golangci/golangci-lint-action@v3
with:
# Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version

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@@ -2,9 +2,18 @@ name: build
on:
push:
branches: [ master ]
branches:
- 'master'
- 'main'
paths-ignore:
- '**.yaml'
- '**.md'
- '**.sh'
- 'website/*'
- 'examples/*'
- 'docs/*'
- 'build/*'
- '.github/*'
jobs:
test:
uses: ./.github/workflows/test.yaml

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@@ -4,8 +4,14 @@ on:
push:
branches: [ dev ]
paths-ignore:
# Do not run the pipeline if only Markdown files changed
- '**.yaml'
- '**.md'
- '**.sh'
- 'website/*'
- 'examples/*'
- 'docs/*'
- 'build/*'
- '.github/*'
jobs:
test:
uses: ./.github/workflows/test.yaml

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@@ -1,22 +0,0 @@
on:
fork:
issues:
types: [opened]
issue_comment:
types: [created]
pull_request_target:
types: [opened]
pull_request_review_comment:
types: [created]
jobs:
welcome:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v1
- uses: EddieHubCommunity/gh-action-community/src/welcome@main
with:
github-token: ${{ secrets.GITHUB_TOKEN }}
issue-message: '<h3>Hi! Welcome to Kubescape. Thank you for taking the time and reporting an issue</h3>'
pr-message: '<h3>Hi! Welcome to Kubescape. Thank you for taking the time and contributing to the open source community</h3>'
footer: '<h4>We will try to review as soon as possible!</h4>'

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@@ -3,7 +3,9 @@ name: create release digests
on:
release:
types: [ published]
branches: [ master ]
branches:
- 'master'
- 'main'
jobs:
once:

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@@ -2,12 +2,20 @@ name: pr-checks
on:
pull_request:
branches: [ master, dev ]
types: [ edited, opened, synchronize, reopened ]
branches:
- 'master'
- 'main'
- 'dev'
paths-ignore:
# Do not run the pipeline if only Markdown files changed
- '**.yaml'
- '**.md'
- '**.sh'
- 'website/*'
- 'examples/*'
- 'docs/*'
- 'build/*'
- '.github/*'
jobs:
test:
uses: ./.github/workflows/test.yaml

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@@ -4,14 +4,16 @@ First, it is awesome that you are considering contributing to Kubescape! Contrib
When contributing, we categorize contributions into two:
* Small code changes or fixes, whose scope is limited to a single or two files
* Complex features and improvements, that are not limited
* Complex features and improvements, with potentially unlimited scope
If you have a small change, feel free to fire up a Pull Request.
When planning a bigger change, please first discuss the change you wish to make via issue,
email, or any other method with the owners of this repository before making a change. Most likely your changes or features are great, but sometimes we might be already going in this direction (or the exact opposite ;-) ) and we don't want to waste your time.
When planning a bigger change, please first discuss the change you wish to make via an issue,
so the maintainers are able to help guide you and let you know if you are going in the right direction.
Please note we have a code of conduct, please follow it in all your interactions with the project.
## Code of Conduct
Please follow our [code of conduct](CODE_OF_CONDUCT.md) in all of your interactions within the project.
## Pull Request Process
@@ -22,79 +24,41 @@ Please note we have a code of conduct, please follow it in all your interactions
3. Open Pull Request to `dev` branch - we test the component before merging into the `master` branch
4. We will merge the Pull Request once you have the sign-off.
## Code of Conduct
## Developer Certificate of Origin
### Our Pledge
All commits to the project must be "signed off", which states that you agree to the terms of the [Developer Certificate of Origin](https://developercertificate.org/). This is done by adding a "Signed-off-by:" line in the commit message, with your name and email address.
In the interest of fostering an open and welcoming environment, we as
contributors and maintainers pledge to make participation in our project and
our community a harassment-free experience for everyone, regardless of age, body
size, disability, ethnicity, gender identity and expression, level of experience,
nationality, personal appearance, race, religion, or sexual identity and
orientation.
Commits made through the GitHub web application are automatically signed off.
### Our Standards
### Configuring Git to sign off commits
Examples of behavior that contributes to creating a positive environment
include:
First, configure your name and email address in Git global settings:
* Using welcoming and inclusive language
* Being respectful of differing viewpoints and experiences
* Gracefully accepting constructive criticism
* Focusing on what is best for the community
* Showing empathy towards other community members
```
$ git config --global user.name "John Doe"
$ git config --global user.email johndoe@example.com
```
Examples of unacceptable behavior by participants include:
You can now sign off per-commit, or configure Git to always sign off commits per repository.
* The use of sexualized language or imagery and unwelcome sexual attention or
advances
* Trolling, insulting/derogatory comments, and personal or political attacks
* Public or private harassment
* Publishing others' private information, such as a physical or electronic
address, without explicit permission
* Other conduct which could reasonably be considered inappropriate in a
professional setting
### Sign off per-commit
We will distance those who constantly adhere to unacceptable behavior.
Add [`-s`](https://git-scm.com/docs/git-commit#Documentation/git-commit.txt--s) to your Git command line. For example:
### Our Responsibilities
```git commit -s -m "Fix issue 64738"```
Project maintainers are responsible for clarifying the standards of acceptable
behavior and are expected to take appropriate and fair corrective actions in
response to any instances of unacceptable behavior.
This is tedious, and if you forget, you'll have to [amend your commit](#f)
Project maintainers have the right and responsibility to remove, edit, or
reject comments, commits, code, wiki edits, issues, and other contributions
that are not aligned to this Code of Conduct, or to ban temporarily or
permanently any contributor for other behaviors that they deem inappropriate,
threatening, offensive, or harmful.
### Configure a repository to always include sign off
### Scope
There are many ways to achieve this with Git hooks, but the simplest is to do the following:
This Code of Conduct applies both within project spaces and in public spaces
when an individual is representing the project or its community. Examples of
representing a project or community include using an official project e-mail
address, posting via an official social media account, or acting as an appointed
representative at an online or offline event. Representation of a project may be
further defined and clarified by project maintainers.
```
cd your-repo
curl -Ls https://gist.githubusercontent.com/dixudx/7d7edea35b4d91e1a2a8fbf41d0954fa/raw/prepare-commit-msg -o .git/hooks/prepare-commit-msg
chmod +x .git/hooks/prepare-commit-msg
```
### Enforcement
## Fixing a commit where the DCO failed
Instances of abusive, harassing, or otherwise unacceptable behavior may be
reported by contacting the project team at [INSERT EMAIL ADDRESS]. All
complaints will be reviewed and investigated and will result in a response that
is deemed necessary and appropriate to the circumstances. The project team is
obligated to maintain confidentiality with regard to the reporter of an incident.
Further details of specific enforcement policies may be posted separately.
Project maintainers who do not follow or enforce the Code of Conduct in good
faith may face temporary or permanent repercussions as determined by other
members of the project's leadership.
### Attribution
This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
available at [http://contributor-covenant.org/version/1/4][version]
[homepage]: http://contributor-covenant.org
[version]: http://contributor-covenant.org/version/1/4/
Check out [this guide](https://github.com/src-d/guide/blob/master/developer-community/fix-DCO.md).

496
README.md
View File

@@ -1,478 +1,94 @@
<div align="center">
<img src="docs/kubescape.png" width="300" alt="logo">
</div>
---
[![Version](https://img.shields.io/github/v/release/kubescape/kubescape)](releases)
[![build](https://github.com/kubescape/kubescape/actions/workflows/build.yaml/badge.svg)](https://github.com/kubescape/kubescape/actions/workflows/build.yaml)
[![Go Report Card](https://goreportcard.com/badge/github.com/kubescape/kubescape)](https://goreportcard.com/report/github.com/kubescape/kubescape)
[![Gitpod Ready-to-Code](https://img.shields.io/badge/Gitpod-Ready--to--Code-blue?logo=gitpod)](https://gitpod.io/#https://github.com/kubescape/kubescape)
[![GitHub](https://img.shields.io/github/license/kubescape/kubescape)](https://github.com/kubescape/kubescape/blob/master/LICENSE)
[![CNCF](https://shields.io/badge/CNCF-Sandbox%20project-blue?logo=linux-foundation&style=flat)](https://landscape.cncf.io/card-mode?project=sandbox&selected=kubescape)
[![Twitter Follow](https://img.shields.io/twitter/follow/kubescape?style=social)](https://twitter.com/kubescape)
:sunglasses: [Want to contribute?](#being-a-part-of-the-team) :innocent:
# Kubescape
<picture>
<source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/cncf/artwork/master/projects/kubescape/stacked/white/kubescape-stacked-white.svg" width="150">
<source media="(prefers-color-scheme: light)" srcset="https://raw.githubusercontent.com/cncf/artwork/master/projects/kubescape/stacked/color/kubescape-stacked-color.svg" width="150">
<img alt="Kubescape logo" align="right" src="https://raw.githubusercontent.com/cncf/artwork/master/projects/kubescape/stacked/color/kubescape-stacked-color.svg" width="150">
</picture>
Kubescape is an open-source Kubernetes security platform. A single pane of glass access to view risk analysis, security compliance, RBAC visualization, and image vulnerability scanning.
Kubescape scans Kubernetes clusters, YAML files, and Helm charts. It detects misconfigurations according to multiple frameworks (such as [NSA-CISA](https://www.armosec.io/blog/kubernetes-hardening-guidance-summary-by-armo/?utm_source=github&utm_medium=repository), [MITRE ATT&CK®](https://www.microsoft.com/security/blog/2021/03/23/secure-containerized-environments-with-updated-threat-matrix-for-kubernetes/) and [CIS Benchmark](https://www.armosec.io/blog/cis-kubernetes-benchmark-framework-scanning-tools-comparison/?utm_source=github&utm_medium=repository)). Kubescape also helps you find software vulnerabilities, and RBAC (role-based-access-control) violations at early stages of the CI/CD pipeline. It calculates your risk score instantly and shows risk trends over time.
_An open-source Kubernetes security platform for your IDE, CI/CD pipelines, and clusters_
Kubescape is one of the fastest-growing Kubernetes security tools among developers. It saves Kubernetes users and admins precious time, effort, and resources with its easy-to-use CLI interface, flexible output formats, and automated scanning capabilities.
Kubescape integrates natively with other DevOps tools, including Jenkins, CircleCI, Github workflows, Prometheus, and Slack. It supports multi-cloud Kubernetes deployments like EKS, GKE, and AKS.
Kubescape is an open-source Kubernetes security platform. It includes risk analysis, security compliance, and misconfiguration scanning. Targeted at the DevSecOps practitioner or platform engineer, it offers an easy-to-use CLI interface, flexible output formats, and automated scanning capabilities. It saves Kubernetes users and admins precious time, effort, and resources.
</br>
Kubescape scans clusters, YAML files, and Helm charts. It detects misconfigurations according to multiple frameworks (including [NSA-CISA](https://www.armosec.io/blog/kubernetes-hardening-guidance-summary-by-armo/?utm_source=github&utm_medium=repository), [MITRE ATT&CK®](https://www.microsoft.com/security/blog/2021/03/23/secure-containerized-environments-with-updated-threat-matrix-for-kubernetes/) and the [CIS Benchmark](https://www.armosec.io/blog/cis-kubernetes-benchmark-framework-scanning-tools-comparison/?utm_source=github&utm_medium=repository)).
# Kubescape CLI:
<img src="docs/demo.gif">
Kubescape was created by [ARMO](https://www.armosec.io/?utm_source=github&utm_medium=repository) and is a [Cloud Native Computing Foundation (CNCF) sandbox project](https://www.cncf.io/sandbox-projects/).
</br>
## Demo
<img src="docs/img/demo.gif">
_Please [star ⭐](https://github.com/kubescape/kubescape/stargazers) the repo if you want us to continue developing and improving Kubescape! 😀_
## Getting started
Experimenting with Kubescape is as easy as:
# TL;DR
## Install:
```sh
curl -s https://raw.githubusercontent.com/kubescape/kubescape/master/install.sh | /bin/bash
```
*OR:*
Learn more about:
[Install on windows](#install-on-windows)
* [Installing Kubescape](docs/getting-started.md#install-kubescape)
* [Running your first scan](docs/getting-started.md#run-your-first-scan)
* [Usage](docs/getting-started.md#examples)
* [Architecture](docs/architecture.md)
* [Building Kubescape from source](docs/building.md)
[Install on macOS](#install-on-macos)
_Did you know you can use Kubescape in all these places?_
[Install on NixOS or Linux/macOS via nix](#install-on-nixos-or-with-nix-community)
## Run:
```sh
kubescape scan --enable-host-scan --verbose
```
<img src="docs/summary.png">
</br>
> Kubescape is an open source project. We welcome your feedback and ideas for improvement. Were also aiming to collaborate with the Kubernetes community to help make the tests more robust and complete as Kubernetes develops.
</br>
## Architecture in short
[Component architecture](docs/architecture.drawio.svg)
### [CLI](#kubescape-cli)
<div align="center">
<img src="docs/ks-cli-arch.png" width="300" alt="cli-diagram">
<img src="docs/img/ksfromcodetodeploy.png" alt="Places you can use Kubescape: in your IDE, CI, CD, or against a running cluster.">
</div>
### [Operator](https://github.com/kubescape/helm-charts#readme)
<div align="center">
<img src="docs/ks-operator-arch.png" width="300" alt="operator-diagram">
</div>
## Under the hood
### Please [star ⭐](https://github.com/kubescape/kubescape/stargazers) the repo if you want us to continue developing and improving Kubescape 😀
Kubescape uses [Open Policy Agent](https://github.com/open-policy-agent/opa) to verify Kubernetes objects against [a library of posture controls](https://github.com/kubescape/regolibrary).
</br>
By default, the results are printed in a console-friendly manner, but they can be:
# Being a part of the team
* exported to JSON or junit XML
* rendered to HTML or PDF
* submitted to a [cloud service](docs/providers.md)
It retrieves Kubernetes objects from the API server and runs a set of [Rego snippets](https://www.openpolicyagent.org/docs/latest/policy-language/) developed by [ARMO](https://www.armosec.io?utm_source=github&utm_medium=repository).
## Community
You are in vited to our community! We are excited about this project and want to return the love we get.
We hold community meetings on [Zoom](https://us02web.zoom.us/j/84020231442) on the first Tuesday of every month at 14:00 GMT! :sunglasses:
Kubescape is an open source project, we welcome your feedback and ideas for improvement. We are part of the Kubernetes community and are building more tests and controls as the ecosystem develops.
Please make sure that you follow our [Code Of Conduct](https://github.com/kubescape/kubescape/blob/master/CODE_OF_CONDUCT.md).
We hold [community meetings](https://us02web.zoom.us/j/84020231442) on Zoom, on the first Tuesday of every month, at 14:00 GMT.
The Kubescape project follows the [CNCF Code of Conduct](https://github.com/cncf/foundation/blob/master/code-of-conduct.md).
## Contributions
Want to discuss something? Have an issue? [Want to contribute?](https://github.com/kubescape/kubescape/blob/master/CONTRIBUTING.md)
* Feel free to pick a task from the [issues](https://github.com/kubescape/kubescape/issues?q=is%3Aissue+is%3Aopen+label%3A%22open+for+contribution%22), [roadmap](docs/roadmap.md) or suggest a feature of your own. [Contact us](MAINTAINERS.md) directly for more information :)
* [Open an issue](https://github.com/kubescape/kubescape/issues/new/choose) , we are trying to respond within 48 hours
* [Join us](https://discord.com/invite/WKZRaCtBxN) in the discussion on our discord server!
Thanks to all our contributors! Check out our [CONTRIBUTING](CONTRIBUTING.md) file to learn how to join them.
[<img src="docs/discord-banner.png" width="100" alt="logo" align="center">](https://discord.com/invite/WKZRaCtBxN)
![discord](https://img.shields.io/discord/893048809884643379)
* Feel free to pick a task from the [issues](https://github.com/kubescape/kubescape/issues?q=is%3Aissue+is%3Aopen+label%3A%22open+for+contribution%22), [roadmap](docs/roadmap.md) or suggest a feature of your own.
* [Open an issue](https://github.com/kubescape/kubescape/issues/new/choose): we aim to respond to all issues within 48 hours.
* [Join the CNCF Slack](https://slack.cncf.io/) and then our [users](https://cloud-native.slack.com/archives/C04EY3ZF9GE) or [developers](https://cloud-native.slack.com/archives/C04GY6H082K) channel.
<br>
# Options and examples
[Kubescape docs](https://hub.armosec.io/docs?utm_source=github&utm_medium=repository)
## Playground
* [Kubescape playground](https://killercoda.com/saiyampathak/scenario/kubescape)
## Tutorials
* [Overview](https://youtu.be/wdBkt_0Qhbg)
* [How To Secure Kubernetes Clusters With Kubescape And Armo](https://youtu.be/ZATGiDIDBQk)
* [Scan Kubernetes YAML files](https://youtu.be/Ox6DaR7_4ZI)
* [Scan container image registry](https://youtu.be/iQ_k8EnK-3s)
* [Scan Kubescape on an air-gapped environment (offline support)](https://youtu.be/IGXL9s37smM)
* [Managing exceptions in the Kubescape SaaS version](https://youtu.be/OzpvxGmCR80)
* [Configure and run customized frameworks](https://youtu.be/12Sanq_rEhs)
* Customize control configurations:
- [Kubescape CLI](https://youtu.be/955psg6TVu4)
- [Kubescape SaaS](https://youtu.be/lIMVSVhH33o)
## Install on Windows
<details><summary>Windows</summary>
**Requires powershell v5.0+**
``` powershell
iwr -useb https://raw.githubusercontent.com/kubescape/kubescape/master/install.ps1 | iex
```
Note: if you get an error you might need to change the execution policy (i.e. enable Powershell) with
``` powershell
Set-ExecutionPolicy RemoteSigned -scope CurrentUser
```
</details>
## Install on macOS
<details><summary>MacOS</summary>
1. ```sh
brew tap kubescape/tap
```
2. ```sh
brew install kubescape-cli
```
</details>
## Install on NixOS or with nix (Community)
<details><summary>Nix/NixOS</summary>
Direct issues installing `kubescape` via `nix` through the channels mentioned [here](https://nixos.wiki/wiki/Support)
You can use `nix` on Linux or macOS and on other platforms unofficially.
Try it out in an ephemeral shell: `nix-shell -p kubescape`
Install declarative as usual
NixOS:
```nix
# your other config ...
environment.systemPackages = with pkgs; [
# your other packages ...
kubescape
];
```
home-manager:
```nix
# your other config ...
home.packages = with pkgs; [
# your other packages ...
kubescape
];
```
Or to your profile (not preferred): `nix-env --install -A nixpkgs.kubescape`
</details>
## Usage & Examples
### Examples
#### Scan a running Kubernetes cluster
```
kubescape scan --enable-host-scan --verbose
```
> Read [here](https://hub.armosec.io/docs/host-sensor?utm_source=github&utm_medium=repository) more about the `enable-host-scan` flag
#### Scan a running Kubernetes cluster with [`nsa`](https://www.nsa.gov/Press-Room/News-Highlights/Article/Article/2716980/nsa-cisa-release-kubernetes-hardening-guidance/) framework
```
kubescape scan framework nsa
```
#### Scan a running Kubernetes cluster with [`MITRE ATT&CK®`](https://www.microsoft.com/security/blog/2021/03/23/secure-containerized-environments-with-updated-threat-matrix-for-kubernetes/) framework
```
kubescape scan framework mitre
```
#### Scan a running Kubernetes cluster with a specific control using the control name or control ID. [List of controls](https://hub.armosec.io/docs/controls?utm_source=github&utm_medium=repository)
```
kubescape scan control "Privileged container"
```
#### Scan using an alternative kubeconfig file
```
kubescape scan --kubeconfig cluster.conf
```
#### Scan specific namespaces
```
kubescape scan --include-namespaces development,staging,production
```
#### Scan cluster and exclude some namespaces
```
kubescape scan --exclude-namespaces kube-system,kube-public
```
#### Scan local `yaml`/`json` files before deploying. [Take a look at the demonstration](https://youtu.be/Ox6DaR7_4ZI).
```
kubescape scan *.yaml
```
#### Scan Kubernetes manifest files from a git repository
```
kubescape scan https://github.com/kubescape/kubescape
```
#### Display all scanned resources (including the resources which passed)
```
kubescape scan --verbose
```
#### Output in `json` format
> Add the `--format-version v2` flag
```
kubescape scan --format json --format-version v2 --output results.json
```
#### Output in `junit xml` format
```
kubescape scan --format junit --output results.xml
```
#### Output in `pdf` format - Contributed by [@alegrey91](https://github.com/alegrey91)
```
kubescape scan --format pdf --output results.pdf
```
#### Output in `prometheus` metrics format - Contributed by [@Joibel](https://github.com/Joibel)
```
kubescape scan --format prometheus
```
#### Output in `html` format
```
kubescape scan --format html --output results.html
```
#### Scan with exceptions. Objects with exceptions will be presented as `exclude` and not `fail`
[Full documentation](examples/exceptions/README.md)
```
kubescape scan --exceptions examples/exceptions/exclude-kube-namespaces.json
```
#### Scan Helm charts
```
kubescape scan </path/to/directory>
```
> Kubescape will load the default value file
#### Scan a Kustomize Directory
```
kubescape scan </path/to/directory>
```
> Kubescape will generate Kubernetes YAML objects using a 'Kustomize' file and scan them for security.
### Offline/Air-gapped Environment Support
[Video tutorial](https://youtu.be/IGXL9s37smM)
It is possible to run Kubescape offline!
#### Download all artifacts
1. Download and save in local directory, if path not specified, will save all in `~/.kubescape`
```
kubescape download artifacts --output path/to/local/dir
```
2. Copy the downloaded artifacts to the air-gaped/offline environment
3. Scan using the downloaded artifacts
```
kubescape scan --use-artifacts-from path/to/local/dir
```
#### Download a single artifact
You can also download a single artifact and scan with the `--use-from` flag
1. Download and save in a file, if the file name is not specified, will save in `~/.kubescape/<framework name>.json`
```
kubescape download framework nsa --output /path/nsa.json
```
2. Copy the downloaded artifacts to the air-gaped/offline environment
3. Scan using the downloaded framework
```
kubescape scan framework nsa --use-from /path/nsa.json
```
## Scan Periodically using Helm
[Please follow the instructions here](https://hub.armosec.io/docs/installation-of-armo-in-cluster?utm_source=github&utm_medium=repository)
[helm chart repo](https://github.com/armosec/armo-helm)
# Integrations
## VS Code Extension
![Visual Studio Marketplace Downloads](https://img.shields.io/visual-studio-marketplace/d/kubescape.kubescape?label=VScode) ![Open VSX](https://img.shields.io/open-vsx/dt/kubescape/kubescape?label=openVSX&color=yellowgreen)
Scan the YAML files while writing them using the [VS Code extension](https://github.com/armosec/vscode-kubescape/blob/master/README.md)
## Lens Extension
View Kubescape scan results directly in [Lens IDE](https://k8slens.dev/) using kubescape [Lens extension](https://github.com/armosec/lens-kubescape/blob/master/README.md)
# Building Kubescape
## Build on Windows
<details><summary>Windows</summary>
1. Install MSYS2 & build libgit _(needed only for the first time)_
```
build.bat all
```
> You can install MSYS2 separately by running `build.bat install` and build libgit2 separately by running `build.bat build`
2. Build kubescape
```
make build
```
OR
```
go build -tags=static .
```
</details>
## Build on Linux/MacOS
<details><summary>Linux / MacOS</summary>
1. Install libgit2 dependency _(needed only for the first time)_
```
make libgit2
```
> `cmake` is required to build libgit2. You can install it by running `sudo apt-get install cmake` (Linux) or `brew install cmake` (macOS)
2. Build kubescape
```
make build
```
OR
```
go build -tags=static .
```
3. Test
```
make test
```
</details>
## Build on pre-configured killercoda's ubuntu playground
* [Pre-configured Killercoda's Ubuntu Playground](https://killercoda.com/suhas-gumma/scenario/kubescape-build-for-development)
<details><summary> Pre-programmed actions executed by the playground </summary>
* Clone the official GitHub repository of `Kubescape`.
* [Automate the build process on Linux](https://github.com/kubescape/kubescape#build-on-linuxmacos)
* The entire process involves executing multiple commands in order and it takes around 5-6 minutes to execute them all.
</details>
<details>
<summary>Instructions to use the playground</summary>
* Apply changes you wish to make to the Kubescape directory using text editors like `Vim`.
* [Build on Linux](https://github.com/kubescape/kubescape#build-on-linuxmacos)
* Now, you can use Kubescape like a regular user. Instead of using `kubescape`, use `./kubescape`. Make sure you are in the Kubescape directory because the command will execute the binary named `kubescape` in `kubescape directory`)
</details>
## VS Code configuration samples
You can use the sample files below to setup your VS Code environment for building and debugging purposes.
<details><summary>.vscode/settings.json</summary>
```json5
// .vscode/settings.json
{
"go.testTags": "static",
"go.buildTags": "static",
"go.toolsEnvVars": {
"CGO_ENABLED": "1"
}
}
```
</details>
<details><summary>.vscode/launch.json</summary>
```json5
// .vscode/launch.json
{
"version": "0.2.0",
"configurations": [
{
"name": "Launch Package",
"type": "go",
"request": "launch",
"mode": "auto",
"program": "${workspaceFolder}/main.go",
"args": [
"scan",
"--logger",
"debug"
],
"buildFlags": "-tags=static"
}
]
}
```
</details>
# Under the hood
## Technology
Kubescape is based on the [OPA engine](https://github.com/open-policy-agent/opa) and ARMO's posture controls.
The tools retrieve Kubernetes objects from the API server and runs a set of [Rego snippets](https://www.openpolicyagent.org/docs/latest/policy-language/) developed by [ARMO](https://www.armosec.io?utm_source=github&utm_medium=repository).
The results by default are printed in a "console friendly" manner, but they can be retrieved in JSON format for further processing.
Kubescape is an open source project, we welcome your feedback and ideas for improvement. We are part of the Kubernetes community and aim to make the tests more robust and complete as Kubernetes develops.
## Thanks to all the contributors ❤️
<a href = "https://github.com/kubescape/kubescape/graphs/contributors">
<img src = "https://contrib.rocks/image?repo=kubescape/kubescape"/>
</a>
## License
Copyright 2021-2023, the Kubescape Authors. All rights reserved. Kubescape is released under the Apache 2.0 license. See the [LICENSE](LICENSE) file for details.
Kubescape is a [Cloud Native Computing Foundation (CNCF) sandbox project](https://www.cncf.io/sandbox-projects/) and was contributed by [ARMO](https://www.armosec.io/?utm_source=github&utm_medium=repository).
<div align="center">
<img src="https://raw.githubusercontent.com/cncf/artwork/master/other/cncf-sandbox/horizontal/color/cncf-sandbox-horizontal-color.svg" width="300" alt="CNCF Sandbox Project">
</div>

45
cmd/fix/fix.go Normal file
View File

@@ -0,0 +1,45 @@
package fix
import (
"errors"
"github.com/kubescape/kubescape/v2/core/meta"
metav1 "github.com/kubescape/kubescape/v2/core/meta/datastructures/v1"
"github.com/spf13/cobra"
)
var fixCmdExamples = `
Fix command is for fixing kubernetes manifest files based on a scan command output.
Use with caution, this command will change your files in-place.
# Fix kubernetes YAML manifest files based on a scan command output (output.json)
1) kubescape scan --format json --format-version v2 --output output.json
2) kubescape fix output.json
`
func GetFixCmd(ks meta.IKubescape) *cobra.Command {
var fixInfo metav1.FixInfo
fixCmd := &cobra.Command{
Use: "fix <report output file>",
Short: "Fix misconfiguration in files",
Long: ``,
Example: fixCmdExamples,
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) < 1 {
return errors.New("report output file is required")
}
fixInfo.ReportFile = args[0]
return ks.Fix(&fixInfo)
},
}
fixCmd.PersistentFlags().BoolVar(&fixInfo.NoConfirm, "no-confirm", false, "No confirmation will be given to the user before applying the fix (default false)")
fixCmd.PersistentFlags().BoolVar(&fixInfo.DryRun, "dry-run", false, "No changes will be applied (default false)")
fixCmd.PersistentFlags().BoolVar(&fixInfo.SkipUserValues, "skip-user-values", true, "Changes which involve user-defined values will be skipped")
return fixCmd
}

View File

@@ -10,6 +10,7 @@ import (
"github.com/kubescape/kubescape/v2/cmd/config"
"github.com/kubescape/kubescape/v2/cmd/delete"
"github.com/kubescape/kubescape/v2/cmd/download"
"github.com/kubescape/kubescape/v2/cmd/fix"
"github.com/kubescape/kubescape/v2/cmd/list"
"github.com/kubescape/kubescape/v2/cmd/scan"
"github.com/kubescape/kubescape/v2/cmd/submit"
@@ -78,6 +79,7 @@ func getRootCmd(ks meta.IKubescape) *cobra.Command {
rootCmd.AddCommand(version.GetVersionCmd())
rootCmd.AddCommand(config.GetConfigCmd(ks))
rootCmd.AddCommand(update.GetUpdateCmd())
rootCmd.AddCommand(fix.GetFixCmd(ks))
return rootCmd
}

View File

@@ -66,7 +66,7 @@ func GetScanCommand(ks meta.IKubescape) *cobra.Command {
}
scanCmd.PersistentFlags().StringVarP(&scanInfo.Credentials.Account, "account", "", "", "Kubescape SaaS account ID. Default will load account ID from cache")
// scanCmd.PersistentFlags().BoolVar(&scanInfo.CreateAccount, "create-account", false, "Create a Kubescape SaaS account ID account ID is not found in cache. After creating the account, the account ID will be saved in cache. In addition, the scanning results will be uploaded to the Kubescape SaaS")
scanCmd.PersistentFlags().BoolVar(&scanInfo.CreateAccount, "create-account", false, "Create a Kubescape SaaS account ID account ID is not found in cache. After creating the account, the account ID will be saved in cache. In addition, the scanning results will be uploaded to the Kubescape SaaS")
scanCmd.PersistentFlags().StringVarP(&scanInfo.Credentials.ClientID, "client-id", "", "", "Kubescape SaaS client ID. Default will load client ID from cache, read more - https://hub.armosec.io/docs/authentication")
scanCmd.PersistentFlags().StringVarP(&scanInfo.Credentials.SecretKey, "secret-key", "", "", "Kubescape SaaS secret key. Default will load secret key from cache, read more - https://hub.armosec.io/docs/authentication")
scanCmd.PersistentFlags().StringVarP(&scanInfo.KubeContext, "kube-context", "", "", "Kube context. Default will use the current-context")

View File

@@ -2,7 +2,6 @@ package getter
import (
"bytes"
"encoding/json"
"fmt"
"io"
"net/http"
@@ -41,13 +40,6 @@ func SaveInFile(policy interface{}, pathStr string) error {
return nil
}
// JSONDecoder returns JSON decoder for given string
func JSONDecoder(origin string) *json.Decoder {
dec := json.NewDecoder(strings.NewReader(origin))
dec.UseNumber()
return dec
}
func HttpDelete(httpClient *http.Client, fullURL string, headers map[string]string) (string, error) {
req, err := http.NewRequest("DELETE", fullURL, nil)
@@ -66,6 +58,7 @@ func HttpDelete(httpClient *http.Client, fullURL string, headers map[string]stri
}
return respStr, nil
}
func HttpGetter(httpClient *http.Client, fullURL string, headers map[string]string) (string, error) {
req, err := http.NewRequest("GET", fullURL, nil)

View File

@@ -0,0 +1,26 @@
package getter
import (
"strings"
stdjson "encoding/json"
jsoniter "github.com/json-iterator/go"
)
var (
json jsoniter.API
)
func init() {
// NOTE(fredbi): attention, this configuration rounds floats down to 6 digits
// For finer-grained config, see: https://pkg.go.dev/github.com/json-iterator/go#section-readme
json = jsoniter.ConfigFastest
}
// JSONDecoder returns JSON decoder for given string
func JSONDecoder(origin string) *stdjson.Decoder {
dec := stdjson.NewDecoder(strings.NewReader(origin))
dec.UseNumber()
return dec
}

View File

@@ -0,0 +1,32 @@
package getter
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestJSONDecoder(t *testing.T) {
t.Run("should decode json string", func(t *testing.T) {
const input = `"xyz"`
d := JSONDecoder(input)
var receiver string
require.NoError(t, d.Decode(&receiver))
require.Equal(t, "xyz", receiver)
})
t.Run("should decode json number", func(t *testing.T) {
const input = `123.01`
d := JSONDecoder(input)
var receiver float64
require.NoError(t, d.Decode(&receiver))
require.Equal(t, 123.01, receiver)
})
t.Run("requires json quotes", func(t *testing.T) {
const input = `xyz`
d := JSONDecoder(input)
var receiver string
require.Error(t, d.Decode(&receiver))
})
}

View File

@@ -2,7 +2,6 @@ package getter
import (
"bytes"
"encoding/json"
"fmt"
"io"
"net/http"

View File

@@ -2,7 +2,6 @@ package getter
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
"net/url"

View File

@@ -1,7 +1,7 @@
package getter
import (
"encoding/json"
"errors"
"fmt"
"os"
"path/filepath"
@@ -15,7 +15,19 @@ import (
// =======================================================================================================================
// ============================================== LoadPolicy =============================================================
// =======================================================================================================================
var DefaultLocalStore = getCacheDir()
var (
DefaultLocalStore = getCacheDir()
ErrNotImplemented = errors.New("feature is currently not supported")
ErrNotFound = errors.New("name not found")
ErrNameRequired = errors.New("missing required input framework name")
ErrIDRequired = errors.New("missing required input control ID")
ErrFrameworkNotMatching = errors.New("framework from file not matching")
ErrControlNotMatching = errors.New("framework from file not matching")
_ IPolicyGetter = &LoadPolicy{}
_ IExceptionsGetter = &LoadPolicy{}
)
func getCacheDir() string {
defaultDirPath := ".kubescape"
@@ -25,11 +37,12 @@ func getCacheDir() string {
return defaultDirPath
}
// Load policies from a local repository
// LoadPolicy loads policies from a local repository.
type LoadPolicy struct {
filePaths []string
}
// NewLoadPolicy builds a LoadPolicy.
func NewLoadPolicy(filePaths []string) *LoadPolicy {
return &LoadPolicy{
filePaths: filePaths,
@@ -38,122 +51,211 @@ func NewLoadPolicy(filePaths []string) *LoadPolicy {
// GetControl returns a control from the policy file.
func (lp *LoadPolicy) GetControl(controlID string) (*reporthandling.Control, error) {
control := &reporthandling.Control{}
filePath := lp.filePath()
if controlID == "" {
return nil, ErrIDRequired
}
// NOTE: this assumes that only the first path contains either a valid control descriptor or a framework descriptor
filePath := lp.filePath()
buf, err := os.ReadFile(filePath)
f, err := os.ReadFile(filePath)
if err != nil {
return nil, err
}
if err = json.Unmarshal(f, control); err != nil {
return control, err
// check if the file is a control descriptor: a ControlID field is populated.
var control reporthandling.Control
if err = json.Unmarshal(buf, &control); err == nil && control.ControlID != "" {
if strings.EqualFold(controlID, control.ControlID) {
return &control, nil
}
return nil, fmt.Errorf("controlID: %s: %w", controlID, ErrControlNotMatching)
}
if controlID == "" || strings.EqualFold(controlID, control.ControlID) {
return control, nil
}
framework, err := lp.GetFramework(control.Name)
if err != nil {
return nil, fmt.Errorf("control from file not matching")
// check if the file is a framework descriptor
var framework reporthandling.Framework
if err = json.Unmarshal(buf, &framework); err != nil {
return nil, err
}
for _, toPin := range framework.Controls {
ctrl := toPin
if strings.EqualFold(ctrl.ControlID, controlID) {
control = &ctrl
break
if strings.EqualFold(ctrl.ControlID, controlID) {
return &ctrl, nil
}
}
return control, nil
return nil, fmt.Errorf("controlID: %s: %w", controlID, ErrControlNotMatching)
}
// GetFramework retrieves a framework configuration from the policy.
// GetFramework retrieves a framework configuration from the policy paths.
func (lp *LoadPolicy) GetFramework(frameworkName string) (*reporthandling.Framework, error) {
if frameworkName == "" {
return &reporthandling.Framework{}, nil
return nil, ErrNameRequired
}
for _, filePath := range lp.filePaths {
f, err := os.ReadFile(filePath)
buf, err := os.ReadFile(filePath)
if err != nil {
return nil, err
}
var fw reporthandling.Framework
if err = json.Unmarshal(f, &fw); err != nil {
var framework reporthandling.Framework
if err = json.Unmarshal(buf, &framework); err != nil {
return nil, err
}
if strings.EqualFold(frameworkName, fw.Name) {
return &fw, nil
if strings.EqualFold(frameworkName, framework.Name) {
return &framework, nil
}
}
return nil, fmt.Errorf("framework from file not matching")
return nil, fmt.Errorf("framework: %s: %w", frameworkName, ErrFrameworkNotMatching)
}
// GetFrameworks returns all configured framework descriptors.
func (lp *LoadPolicy) GetFrameworks() ([]reporthandling.Framework, error) {
frameworks := []reporthandling.Framework{}
var err error
return frameworks, err
}
func (lp *LoadPolicy) ListFrameworks() ([]string, error) {
fwNames := []string{}
framework := &reporthandling.Framework{}
frameworks := make([]reporthandling.Framework, 0, 10)
seenFws := make(map[string]struct{})
for _, f := range lp.filePaths {
file, err := os.ReadFile(f)
if err == nil {
if err := json.Unmarshal(file, framework); err == nil {
if !contains(fwNames, framework.Name) {
fwNames = append(fwNames, framework.Name)
}
}
buf, err := os.ReadFile(f)
if err != nil {
return nil, err
}
var framework reporthandling.Framework
if err = json.Unmarshal(buf, &framework); err != nil {
// ignore invalid framework files
continue
}
// dedupe
_, alreadyLoaded := seenFws[framework.Name]
if alreadyLoaded {
continue
}
seenFws[framework.Name] = struct{}{}
frameworks = append(frameworks, framework)
}
return fwNames, nil
return frameworks, nil
}
// ListFrameworks lists the names of all configured frameworks in this policy.
func (lp *LoadPolicy) ListFrameworks() ([]string, error) {
frameworkNames := make([]string, 0, 10)
for _, f := range lp.filePaths {
buf, err := os.ReadFile(f)
if err != nil {
return nil, err
}
var framework reporthandling.Framework
if err := json.Unmarshal(buf, &framework); err != nil {
continue
}
if framework.Name == "" || contains(frameworkNames, framework.Name) {
continue
}
frameworkNames = append(frameworkNames, framework.Name)
}
return frameworkNames, nil
}
// ListControls returns the list of controls for this framework.
//
// At this moment, controls are listed for one single configured framework.
func (lp *LoadPolicy) ListControls() ([]string, error) {
// TODO - Support
return []string{}, fmt.Errorf("loading controls list from file is not supported")
}
func (lp *LoadPolicy) GetExceptions(clusterName string) ([]armotypes.PostureExceptionPolicy, error) {
controlIDs := make([]string, 0, 100)
filePath := lp.filePath()
exception := []armotypes.PostureExceptionPolicy{}
f, err := os.ReadFile(filePath)
buf, err := os.ReadFile(filePath)
if err != nil {
return nil, err
}
err = json.Unmarshal(f, &exception)
var framework reporthandling.Framework
if err = json.Unmarshal(buf, &framework); err != nil {
return nil, err
}
for _, ctrl := range framework.Controls {
controlIDs = append(controlIDs, ctrl.ControlID)
}
return controlIDs, nil
}
// GetExceptions retrieves configured exceptions.
//
// NOTE: the cluster parameter is not used at this moment.
func (lp *LoadPolicy) GetExceptions(_ /* clusterName */ string) ([]armotypes.PostureExceptionPolicy, error) {
// NOTE: this assumes that the first path contains a valid exceptions descriptor
filePath := lp.filePath()
buf, err := os.ReadFile(filePath)
if err != nil {
return nil, err
}
exception := make([]armotypes.PostureExceptionPolicy, 0, 300)
err = json.Unmarshal(buf, &exception)
return exception, err
}
func (lp *LoadPolicy) GetControlsInputs(clusterName string) (map[string][]string, error) {
// GetControlsInputs retrieves the map of control configs.
//
// NOTE: the cluster parameter is not used at this moment.
func (lp *LoadPolicy) GetControlsInputs(_ /* clusterName */ string) (map[string][]string, error) {
// NOTE: this assumes that only the first path contains a valid control inputs descriptor
filePath := lp.filePath()
accountConfig := &armotypes.CustomerConfig{}
f, err := os.ReadFile(filePath)
fileName := filepath.Base(filePath)
buf, err := os.ReadFile(filePath)
if err != nil {
formattedError := fmt.Errorf("Error opening %s file, \"controls-config\" will be downloaded from ARMO management portal", fileName)
formattedError := fmt.Errorf(
`Error opening %s file, "controls-config" will be downloaded from ARMO management portal`,
fileName,
)
return nil, formattedError
}
if err = json.Unmarshal(f, &accountConfig.Settings.PostureControlInputs); err == nil {
return accountConfig.Settings.PostureControlInputs, nil
controlInputs := make(map[string][]string, 100) // from armotypes.Settings.PostureControlInputs
if err = json.Unmarshal(buf, &controlInputs); err != nil {
formattedError := fmt.Errorf(
`Error reading %s file, %v, "controls-config" will be downloaded from ARMO management portal`,
fileName, err,
)
return nil, formattedError
}
formattedError := fmt.Errorf("Error reading %s file, %s, \"controls-config\" will be downloaded from ARMO management portal", fileName, err.Error())
return controlInputs, nil
}
return nil, formattedError
// GetAttackTracks yields the attack tracks from a config file.
func (lp *LoadPolicy) GetAttackTracks() ([]v1alpha1.AttackTrack, error) {
attackTracks := make([]v1alpha1.AttackTrack, 0, 20)
buf, err := os.ReadFile(lp.filePath())
if err != nil {
return nil, err
}
if err = json.Unmarshal(buf, &attackTracks); err != nil {
return nil, err
}
return attackTracks, nil
}
// temporary support for a list of files
@@ -163,18 +265,3 @@ func (lp *LoadPolicy) filePath() string {
}
return ""
}
func (lp *LoadPolicy) GetAttackTracks() ([]v1alpha1.AttackTrack, error) {
attackTracks := []v1alpha1.AttackTrack{}
f, err := os.ReadFile(lp.filePath())
if err != nil {
return nil, err
}
if err := json.Unmarshal(f, &attackTracks); err != nil {
return nil, err
}
return attackTracks, nil
}

View File

@@ -2,6 +2,7 @@ package getter
import (
"fmt"
"os"
"path/filepath"
"testing"
@@ -14,14 +15,13 @@ func MockNewLoadPolicy() *LoadPolicy {
}
}
func testFrameworkFile(framework string) string {
return filepath.Join(".", "testdata", fmt.Sprintf("%s.json", framework))
}
func TestLoadPolicy(t *testing.T) {
t.Parallel()
const testFramework = "MITRE"
const (
testFramework = "MITRE"
testControl = "C-0053"
)
t.Run("with GetFramework", func(t *testing.T) {
t.Run("should retrieve named framework", func(t *testing.T) {
@@ -44,16 +44,13 @@ func TestLoadPolicy(t *testing.T) {
require.Nil(t, fw)
})
t.Run("edge case: should return empty framework", func(t *testing.T) {
// NOTE(fredbi): this edge case corresponds to the original working of GetFramework.
// IMHO, this is a bad request call and it should return an error.
t.Run("edge case: should error on empty framework", func(t *testing.T) {
t.Parallel()
p := NewLoadPolicy([]string{testFrameworkFile(testFramework)})
fw, err := p.GetFramework("")
require.NoError(t, err)
require.NotNil(t, fw)
require.Empty(t, *fw)
require.ErrorIs(t, err, ErrNameRequired)
require.Nil(t, fw)
})
t.Run("edge case: corrupted json", func(t *testing.T) {
@@ -77,11 +74,10 @@ func TestLoadPolicy(t *testing.T) {
})
t.Run("with GetControl", func(t *testing.T) {
t.Run("should retrieve named control", func(t *testing.T) {
t.Run("should retrieve named control from framework", func(t *testing.T) {
t.Parallel()
const (
testControl = "C-0053"
expectedControlName = "Access container service account"
)
p := NewLoadPolicy([]string{testFrameworkFile(testFramework)})
@@ -93,15 +89,44 @@ func TestLoadPolicy(t *testing.T) {
require.Equal(t, expectedControlName, ctrl.Name)
})
t.Run("should fail to retrieve named control", func(t *testing.T) {
// NOTE(fredbi): IMHO, this case should bubble up an error
t.Parallel()
t.Run("with single control descriptor", func(t *testing.T) {
const (
singleControl = "C-0001"
expectedControlName = "Forbidden Container Registries"
)
const testControl = "wrong"
p := NewLoadPolicy([]string{testFrameworkFile(testFramework)})
ctrl, err := p.GetControl(testControl)
require.NoError(t, err)
require.NotNil(t, ctrl) // no error, but still don't get the requested control...
t.Run("should retrieve named control from control descriptor", func(t *testing.T) {
t.Parallel()
p := NewLoadPolicy([]string{testFrameworkFile(singleControl)})
ctrl, err := p.GetControl(singleControl)
require.NoError(t, err)
require.NotNil(t, ctrl)
require.Equal(t, singleControl, ctrl.ControlID)
require.Equal(t, expectedControlName, ctrl.Name)
})
t.Run("should fail to retrieve named control from control descriptor", func(t *testing.T) {
t.Parallel()
p := NewLoadPolicy([]string{testFrameworkFile(singleControl)})
ctrl, err := p.GetControl("wrong")
require.Error(t, err)
require.Nil(t, ctrl)
})
})
t.Run("with framework descriptor", func(t *testing.T) {
t.Run("should fail to retrieve named control", func(t *testing.T) {
t.Parallel()
const testControl = "wrong"
p := NewLoadPolicy([]string{testFrameworkFile(testFramework)})
ctrl, err := p.GetControl(testControl)
require.ErrorIs(t, err, ErrControlNotMatching)
require.Nil(t, ctrl)
})
})
t.Run("edge case: corrupted json", func(t *testing.T) {
@@ -122,32 +147,77 @@ func TestLoadPolicy(t *testing.T) {
require.Error(t, err)
})
t.Run("edge case: should return empty control", func(t *testing.T) {
// NOTE(fredbi): this edge case corresponds to the original working of GetFramework.
// IMHO, this is a bad request call and it should return an error.
t.Run("edge case: should error on empty control", func(t *testing.T) {
t.Parallel()
p := NewLoadPolicy([]string{testFrameworkFile(testFramework)})
ctrl, err := p.GetControl("")
require.NoError(t, err)
require.NotNil(t, ctrl)
require.ErrorIs(t, err, ErrIDRequired)
require.Nil(t, ctrl)
})
})
t.Run("ListFrameworks should return all frameworks in the policy path", func(t *testing.T) {
t.Parallel()
t.Run("with ListFrameworks", func(t *testing.T) {
t.Run("should return all frameworks in the policy path", func(t *testing.T) {
t.Parallel()
const extraFramework = "NSA"
p := NewLoadPolicy([]string{
testFrameworkFile(testFramework),
testFrameworkFile(extraFramework),
const (
extraFramework = "NSA"
attackTracks = "attack-tracks"
)
p := NewLoadPolicy([]string{
testFrameworkFile(testFramework),
testFrameworkFile(extraFramework),
testFrameworkFile(extraFramework), // should be deduped
testFrameworkFile(attackTracks), // should be ignored
})
fws, err := p.ListFrameworks()
require.NoError(t, err)
require.Len(t, fws, 2)
require.Equal(t, testFramework, fws[0])
require.Equal(t, extraFramework, fws[1])
})
fws, err := p.ListFrameworks()
require.NoError(t, err)
require.Len(t, fws, 2)
require.Equal(t, testFramework, fws[0])
require.Equal(t, extraFramework, fws[1])
t.Run("should not return an empty framework", func(t *testing.T) {
t.Parallel()
const (
extraFramework = "NSA"
attackTracks = "attack-tracks"
controlsInputs = "controls-inputs"
)
p := NewLoadPolicy([]string{
testFrameworkFile(testFramework),
testFrameworkFile(extraFramework),
testFrameworkFile(attackTracks), // should be ignored
testFrameworkFile(controlsInputs), // should be ignored
})
fws, err := p.ListFrameworks()
require.NoError(t, err)
require.Len(t, fws, 2)
require.NotContains(t, fws, "")
require.Equal(t, testFramework, fws[0])
require.Equal(t, extraFramework, fws[1])
})
t.Run("should fail on file error", func(t *testing.T) {
t.Parallel()
const (
extraFramework = "NSA"
nowhere = "nowheretobeseen"
)
p := NewLoadPolicy([]string{
testFrameworkFile(testFramework),
testFrameworkFile(extraFramework),
testFrameworkFile(nowhere), // should raise an error
})
fws, err := p.ListFrameworks()
require.Error(t, err)
require.Nil(t, fws)
})
})
t.Run("edge case: policy without path", func(t *testing.T) {
@@ -157,20 +227,183 @@ func TestLoadPolicy(t *testing.T) {
require.Empty(t, p.filePath())
})
t.Run("GetFrameworks is currently stubbed", func(t *testing.T) {
t.Parallel()
t.Run("with GetFrameworks", func(t *testing.T) {
const extraFramework = "NSA"
p := NewLoadPolicy([]string{testFrameworkFile(testFramework)})
fws, err := p.GetFrameworks()
require.NoError(t, err)
require.Empty(t, fws)
t.Run("should return all configured frameworks", func(t *testing.T) {
t.Parallel()
p := NewLoadPolicy([]string{
testFrameworkFile(testFramework),
testFrameworkFile(extraFramework),
})
fws, err := p.GetFrameworks()
require.NoError(t, err)
require.Len(t, fws, 2)
require.Equal(t, testFramework, fws[0].Name)
require.Equal(t, extraFramework, fws[1].Name)
})
t.Run("should return dedupe configured frameworks", func(t *testing.T) {
t.Parallel()
const attackTracks = "attack-tracks"
p := NewLoadPolicy([]string{
testFrameworkFile(testFramework),
testFrameworkFile(extraFramework),
testFrameworkFile(extraFramework),
testFrameworkFile(attackTracks), // should be ignored
})
fws, err := p.GetFrameworks()
require.NoError(t, err)
require.Len(t, fws, 2)
require.Equal(t, testFramework, fws[0].Name)
require.Equal(t, extraFramework, fws[1].Name)
})
})
t.Run("ListControls is currently unsupported", func(t *testing.T) {
t.Parallel()
t.Run("with ListControls", func(t *testing.T) {
t.Run("should return controls", func(t *testing.T) {
t.Parallel()
p := NewLoadPolicy([]string{testFrameworkFile(testFramework)})
_, err := p.ListControls()
require.Error(t, err)
p := NewLoadPolicy([]string{testFrameworkFile(testFramework)})
controlIDs, err := p.ListControls()
require.NoError(t, err)
require.Greater(t, len(controlIDs), 0)
require.Equal(t, testControl, controlIDs[0])
})
})
t.Run("with GetAttackTracks", func(t *testing.T) {
t.Run("should return attack tracks", func(t *testing.T) {
t.Parallel()
const attackTracks = "attack-tracks"
p := NewLoadPolicy([]string{testFrameworkFile(attackTracks)})
tracks, err := p.GetAttackTracks()
require.NoError(t, err)
require.Greater(t, len(tracks), 0)
for _, track := range tracks {
require.Equal(t, "AttackTrack", track.Kind)
}
})
t.Run("edge case: corrupted json", func(t *testing.T) {
t.Parallel()
const invalidTracks = "invalid-fw"
p := NewLoadPolicy([]string{testFrameworkFile(invalidTracks)})
_, err := p.GetAttackTracks()
require.Error(t, err)
})
t.Run("edge case: missing json", func(t *testing.T) {
t.Parallel()
const invalidTracks = "nowheretobefound"
p := NewLoadPolicy([]string{testFrameworkFile(invalidTracks)})
_, err := p.GetAttackTracks()
require.Error(t, err)
})
})
t.Run("with GetControlsInputs", func(t *testing.T) {
const cluster = "dummy" // unused parameter at the moment
t.Run("should return control inputs for a cluster", func(t *testing.T) {
t.Parallel()
fixture, expected := writeTempJSONControlInputs(t)
t.Cleanup(func() {
_ = os.Remove(fixture)
})
p := NewLoadPolicy([]string{fixture})
inputs, err := p.GetControlsInputs(cluster)
require.NoError(t, err)
require.EqualValues(t, expected, inputs)
})
t.Run("edge case: corrupted json", func(t *testing.T) {
t.Parallel()
const invalidInputs = "invalid-fw"
p := NewLoadPolicy([]string{testFrameworkFile(invalidInputs)})
_, err := p.GetControlsInputs(cluster)
require.Error(t, err)
})
t.Run("edge case: missing json", func(t *testing.T) {
t.Parallel()
const invalidInputs = "nowheretobefound"
p := NewLoadPolicy([]string{testFrameworkFile(invalidInputs)})
_, err := p.GetControlsInputs(cluster)
require.Error(t, err)
})
})
t.Run("with GetExceptions", func(t *testing.T) {
const cluster = "dummy" // unused parameter at the moment
t.Run("should return exceptions", func(t *testing.T) {
t.Parallel()
const exceptions = "exceptions"
p := NewLoadPolicy([]string{testFrameworkFile(exceptions)})
exceptionPolicies, err := p.GetExceptions(cluster)
require.NoError(t, err)
require.Greater(t, len(exceptionPolicies), 0)
t.Logf("len=%d", len(exceptionPolicies))
for _, policy := range exceptionPolicies {
require.NotEmpty(t, policy.Name)
}
})
t.Run("edge case: corrupted json", func(t *testing.T) {
t.Parallel()
const invalidInputs = "invalid-fw"
p := NewLoadPolicy([]string{testFrameworkFile(invalidInputs)})
_, err := p.GetExceptions(cluster)
require.Error(t, err)
})
t.Run("edge case: missing json", func(t *testing.T) {
t.Parallel()
const invalidInputs = "nowheretobefound"
p := NewLoadPolicy([]string{testFrameworkFile(invalidInputs)})
_, err := p.GetExceptions(cluster)
require.Error(t, err)
})
})
}
func testFrameworkFile(framework string) string {
return filepath.Join(".", "testdata", fmt.Sprintf("%s.json", framework))
}
func writeTempJSONControlInputs(t testing.TB) (string, map[string][]string) {
fileName := testFrameworkFile("control-inputs")
mock := map[string][]string{
"key1": {
"val1", "val2",
},
"key2": {
"val3", "val4",
},
}
buf, err := json.Marshal(mock)
require.NoError(t, err)
require.NoError(t, os.WriteFile(fileName, buf, 0600))
return fileName, mock
}

View File

@@ -0,0 +1,85 @@
{
"guid": "",
"name": "Forbidden Container Registries",
"attributes": {
"armoBuiltin": true,
"attackTracks": [
{
"attackTrack": "container",
"categories": [
"Initial access"
]
}
],
"controlTypeTags": [
"security",
"compliance"
],
"microsoftMitreColumns": [
"Initial Access"
]
},
"id": "C-0001",
"controlID": "C-0001",
"creationTime": "",
"description": "In cases where the Kubernetes cluster is provided by a CSP (e.g., AKS in Azure, GKE in GCP, or EKS in AWS), compromised cloud credential can lead to the cluster takeover. Attackers may abuse cloud account credentials or IAM mechanism to the clusters management layer.",
"remediation": "Limit the registries from which you pull container images from",
"rules": [
{
"guid": "",
"name": "rule-identify-blocklisted-image-registries",
"attributes": {
"armoBuiltin": true,
"m$K8sThreatMatrix": "Initial Access::Compromised images in registry"
},
"creationTime": "",
"rule": "package armo_builtins\nimport data\n# Check for images from blocklisted repos\n\nuntrustedImageRepo[msga] {\n\tpod := input[_]\n\tk := pod.kind\n\tk == \"Pod\"\n\tcontainer := pod.spec.containers[i]\n\tpath := sprintf(\"spec.containers[%v].image\", [format_int(i, 10)])\n\timage := container.image\n untrusted_or_public_registries(image)\n\n\tmsga := {\n\t\t\"alertMessage\": sprintf(\"image '%v' in container '%s' comes from untrusted registry\", [image, container.name]),\n\t\t\"packagename\": \"armo_builtins\",\n\t\t\"alertScore\": 2,\n\t\t\"fixPaths\": [],\n\t\t\"failedPaths\": [path],\n \"alertObject\": {\n\t\t\t\"k8sApiObjects\": [pod]\n\t\t}\n }\n}\n\nuntrustedImageRepo[msga] {\n\twl := input[_]\n\tspec_template_spec_patterns := {\"Deployment\",\"ReplicaSet\",\"DaemonSet\",\"StatefulSet\",\"Job\"}\n\tspec_template_spec_patterns[wl.kind]\n\tcontainer := wl.spec.template.spec.containers[i]\n\tpath := sprintf(\"spec.template.spec.containers[%v].image\", [format_int(i, 10)])\n\timage := container.image\n untrusted_or_public_registries(image)\n\n\tmsga := {\n\t\t\"alertMessage\": sprintf(\"image '%v' in container '%s' comes from untrusted registry\", [image, container.name]),\n\t\t\"packagename\": \"armo_builtins\",\n\t\t\"alertScore\": 2,\n\t\t\"fixPaths\": [],\n\t\t\"failedPaths\": [path],\n \"alertObject\": {\n\t\t\t\"k8sApiObjects\": [wl]\n\t\t}\n }\n}\n\nuntrustedImageRepo[msga] {\n\twl := input[_]\n\twl.kind == \"CronJob\"\n\tcontainer := wl.spec.jobTemplate.spec.template.spec.containers[i]\n\tpath := sprintf(\"spec.jobTemplate.spec.template.spec.containers[%v].image\", [format_int(i, 10)])\n\timage := container.image\n untrusted_or_public_registries(image)\n\n\tmsga := {\n\t\t\"alertMessage\": sprintf(\"image '%v' in container '%s' comes from untrusted registry\", [image, container.name]),\n\t\t\"packagename\": \"armo_builtins\",\n\t\t\"alertScore\": 2,\n\t\t\"fixPaths\": [],\n\t\t\"failedPaths\": [path],\n \"alertObject\": {\n\t\t\t\"k8sApiObjects\": [wl]\n\t\t}\n }\n}\n\nuntrusted_or_public_registries(image){\n\t# see default-config-inputs.json for list values\n\tuntrusted_registries := data.postureControlInputs.untrustedRegistries\n\trepo_prefix := untrusted_registries[_]\n\tstartswith(image, repo_prefix)\n}\n\nuntrusted_or_public_registries(image){\n\t# see default-config-inputs.json for list values\n\tpublic_registries := data.postureControlInputs.publicRegistries\n\trepo_prefix := public_registries[_]\n\tstartswith(image, repo_prefix)\n}",
"resourceEnumerator": "",
"ruleLanguage": "Rego",
"match": [
{
"apiGroups": [
"*"
],
"apiVersions": [
"*"
],
"resources": [
"Pod",
"Deployment",
"ReplicaSet",
"DaemonSet",
"StatefulSet",
"Job",
"CronJob"
]
}
],
"ruleDependencies": [],
"configInputs": [
"settings.postureControlInputs.publicRegistries",
"settings.postureControlInputs.untrustedRegistries"
],
"controlConfigInputs": [
{
"path": "settings.postureControlInputs.publicRegistries",
"name": "Public registries",
"description": "Kubescape checks none of these public registries are in use."
},
{
"path": "settings.postureControlInputs.untrustedRegistries",
"name": "Registries block list",
"description": "Kubescape checks none of the following registries are in use."
}
],
"description": "Identifying if pod container images are from unallowed registries",
"remediation": "Use images from safe registry",
"ruleQuery": "",
"relevantCloudProviders": null
}
],
"rulesIDs": [
""
],
"baseScore": 7
}

View File

@@ -0,0 +1,136 @@
[
{
"apiVersion": "regolibrary.kubescape/v1alpha1",
"kind": "AttackTrack",
"metadata": {
"name": "node"
},
"spec": {
"data": {
"name": "Initial access",
"subSteps": [
{
"name": "Execution",
"subSteps": [
{
"name": "Persistence"
},
{
"name": "Credential access"
},
{
"name": "Defense evasion"
},
{
"name": "Discovery"
},
{
"name": "Lateral movement"
},
{
"name": "Impact - data theft"
},
{
"name": "Impact - data destruction"
},
{
"name": "Impact - service injection"
}
]
}
]
}
}
},
{
"apiVersion": "regolibrary.kubescape/v1alpha1",
"kind": "AttackTrack",
"metadata": {
"name": "kubeapi"
},
"spec": {
"data": {
"name": "Initial access",
"subSteps": [
{
"name": "Persistence"
},
{
"name": "Privilege escalation"
},
{
"name": "Credential access"
},
{
"name": "Discovery"
},
{
"name": "Lateral movement"
},
{
"name": "Defense evasion"
},
{
"name": "Impact - data destruction"
},
{
"name": "Impact - service injection"
}
]
}
}
},
{
"apiVersion": "regolibrary.kubescape/v1alpha1",
"kind": "AttackTrack",
"metadata": {
"name": "container"
},
"spec": {
"data": {
"name": "Initial access",
"subSteps": [
{
"name": "Execution",
"subSteps": [
{
"name": "Privilege escalation"
},
{
"name": "Credential access",
"subSteps": [
{
"name": "Impact - service access"
},
{
"name": "Impact - K8s API access",
"subSteps": [
{
"name": "Defense evasion - KubeAPI"
}
]
}
]
},
{
"name": "Discovery"
},
{
"name": "Lateral movement"
},
{
"name": "Impact - Data access in container"
},
{
"name": "Persistence"
}
]
},
{
"name": "Impact - service destruction"
}
]
}
}
}
]

View File

@@ -0,0 +1,125 @@
{
"publicRegistries": [],
"untrustedRegistries": [],
"listOfDangerousArtifacts": [
"bin/bash",
"sbin/sh",
"bin/ksh",
"bin/tcsh",
"bin/zsh",
"usr/bin/scsh",
"bin/csh",
"bin/busybox",
"usr/bin/busybox"
],
"sensitiveKeyNames": [
"aws_access_key_id",
"aws_secret_access_key",
"azure_batchai_storage_account",
"azure_batchai_storage_key",
"azure_batch_account",
"azure_batch_key",
"secret",
"key",
"password",
"pwd",
"token",
"jwt",
"bearer",
"credential"
],
"servicesNames": [
"nifi-service",
"argo-server",
"minio",
"postgres",
"workflow-controller-metrics",
"weave-scope-app",
"kubernetes-dashboard"
],
"memory_limit_max": [],
"cpu_request_min": [],
"wlKnownNames": [
"coredns",
"kube-proxy",
"event-exporter-gke",
"kube-dns",
"17-default-backend",
"metrics-server",
"ca-audit",
"ca-dashboard-aggregator",
"ca-notification-server",
"ca-ocimage",
"ca-oracle",
"ca-posture",
"ca-rbac",
"ca-vuln-scan",
"ca-webhook",
"ca-websocket",
"clair-clair"
],
"sensitiveInterfaces": [
"nifi",
"argo-server",
"weave-scope-app",
"kubeflow",
"kubernetes-dashboard",
"jenkins",
"prometheus-deployment"
],
"max_high_vulnerabilities": [
"10"
],
"sensitiveValues": [
"BEGIN \\w+ PRIVATE KEY",
"PRIVATE KEY",
"eyJhbGciO",
"JWT",
"Bearer",
"_key_",
"_secret_"
],
"memory_request_max": [],
"memory_request_min": [],
"cpu_request_max": [],
"cpu_limit_max": [],
"cpu_limit_min": [],
"insecureCapabilities": [
"SETPCAP",
"NET_ADMIN",
"NET_RAW",
"SYS_MODULE",
"SYS_RAWIO",
"SYS_PTRACE",
"SYS_ADMIN",
"SYS_BOOT",
"MAC_OVERRIDE",
"MAC_ADMIN",
"PERFMON",
"ALL",
"BPF"
],
"max_critical_vulnerabilities": [
"5"
],
"sensitiveValuesAllowed": [],
"memory_limit_min": [],
"recommendedLabels": [
"app",
"tier",
"phase",
"version",
"owner",
"env"
],
"k8sRecommendedLabels": [
"app.kubernetes.io/name",
"app.kubernetes.io/instance",
"app.kubernetes.io/version",
"app.kubernetes.io/component",
"app.kubernetes.io/part-of",
"app.kubernetes.io/managed-by",
"app.kubernetes.io/created-by"
],
"imageRepositoryAllowList": []
}

File diff suppressed because it is too large Load Diff

View File

@@ -73,6 +73,10 @@ func (g *LocalGitRepository) GetRemoteUrl() (string, error) {
branchName := g.GetBranchName()
if branchRef, branchFound := g.config.Branches[branchName]; branchFound {
remoteName := branchRef.Remote
// branchRef.Remote can be a reference to a config.Remotes entry or directly a gitUrl
if _, found := g.config.Remotes[remoteName]; !found {
return remoteName, nil
}
if len(g.config.Remotes[remoteName].URLs) == 0 {
return "", fmt.Errorf("expected to find URLs for remote '%s', branch '%s'", remoteName, branchName)
}

View File

@@ -6,7 +6,7 @@ import (
"path/filepath"
"strings"
"github.com/kubescape/go-logger"
logger "github.com/kubescape/go-logger"
"github.com/kubescape/go-logger/helpers"
"github.com/kubescape/kubescape/v2/core/cautils/getter"
metav1 "github.com/kubescape/kubescape/v2/core/meta/datastructures/v1"

72
core/core/fix.go Normal file
View File

@@ -0,0 +1,72 @@
package core
import (
"fmt"
"strings"
logger "github.com/kubescape/go-logger"
metav1 "github.com/kubescape/kubescape/v2/core/meta/datastructures/v1"
"github.com/kubescape/kubescape/v2/core/pkg/fixhandler"
)
const NoChangesApplied = "No changes were applied."
const NoResourcesToFix = "No issues to fix."
const ConfirmationQuestion = "Would you like to apply the changes to the files above? [y|n]: "
func (ks *Kubescape) Fix(fixInfo *metav1.FixInfo) error {
logger.L().Info("Reading report file...")
handler, err := fixhandler.NewFixHandler(fixInfo)
if err != nil {
return err
}
resourcesToFix := handler.PrepareResourcesToFix()
if len(resourcesToFix) == 0 {
logger.L().Info(NoResourcesToFix)
return nil
}
handler.PrintExpectedChanges(resourcesToFix)
if fixInfo.DryRun {
logger.L().Info(NoChangesApplied)
return nil
}
if !fixInfo.NoConfirm && !userConfirmed() {
logger.L().Info(NoChangesApplied)
return nil
}
updatedFilesCount, errors := handler.ApplyChanges(resourcesToFix)
logger.L().Info(fmt.Sprintf("Fixed resources in %d files.", updatedFilesCount))
if len(errors) > 0 {
for _, err := range errors {
logger.L().Error(err.Error())
}
return fmt.Errorf("Failed to fix some resources, check the logs for more details")
}
return nil
}
func userConfirmed() bool {
var input string
for {
fmt.Printf(ConfirmationQuestion)
if _, err := fmt.Scanln(&input); err != nil {
continue
}
input = strings.ToLower(input)
if input == "y" || input == "yes" {
return true
} else if input == "n" || input == "no" {
return false
}
}
}

View File

@@ -0,0 +1,8 @@
package v1
type FixInfo struct {
ReportFile string // path to report file (mandatory)
NoConfirm bool // if true, no confirmation will be given to the user before applying the fix
SkipUserValues bool // if true, user values will not be changed
DryRun bool // if true, no changes will be applied
}

View File

@@ -25,4 +25,7 @@ type IKubescape interface {
// delete
DeleteExceptions(deleteexceptions *metav1.DeleteExceptions) error
// fix
Fix(fixInfo *metav1.FixInfo) error
}

View File

@@ -0,0 +1,109 @@
package fixhandler
import (
"sort"
"strings"
"github.com/armosec/armoapi-go/armotypes"
metav1 "github.com/kubescape/kubescape/v2/core/meta/datastructures/v1"
"github.com/kubescape/opa-utils/reporthandling"
reporthandlingv2 "github.com/kubescape/opa-utils/reporthandling/v2"
"gopkg.in/yaml.v3"
)
// FixHandler is a struct that holds the information of the report to be fixed
type FixHandler struct {
fixInfo *metav1.FixInfo
reportObj *reporthandlingv2.PostureReport
localBasePath string
}
// ResourceFixInfo is a struct that holds the information about the resource that needs to be fixed
type ResourceFixInfo struct {
YamlExpressions map[string]*armotypes.FixPath
Resource *reporthandling.Resource
FilePath string
DocumentIndex int
}
// NodeInfo holds extra information about the node
type nodeInfo struct {
node *yaml.Node
parent *yaml.Node
// position of the node among siblings
index int
}
// FixInfoMetadata holds the arguments "getFixInfo" function needs to pass to the
// functions it uses
type fixInfoMetadata struct {
originalList *[]nodeInfo
fixedList *[]nodeInfo
originalListTracker int
fixedListTracker int
contentToAdd *[]contentToAdd
linesToRemove *[]linesToRemove
}
// contentToAdd holds the information about where to insert the new changes in the existing yaml file
type contentToAdd struct {
// Line where the fix should be applied to
line int
// Content is a string representation of the YAML node that describes a suggested fix
content string
}
func withNewline(content, targetNewline string) string {
replaceNewlines := map[string]bool{
unixNewline: true,
windowsNewline: true,
oldMacNewline: true,
}
replaceNewlines[targetNewline] = false
newlinesToReplace := make([]string, len(replaceNewlines))
i := 0
for k := range replaceNewlines {
newlinesToReplace[i] = k
i++
}
// To ensure that we fully replace Windows newlines (CR LF), and not
// corrupt them into two new newlines (CR CR or LF LF) by partially
// replacing either CR or LF, we have to ensure we replace longer
// Windows newlines first
sort.Slice(newlinesToReplace, func(i int, j int) bool {
return len(newlinesToReplace[i]) > len(newlinesToReplace[j])
})
// strings.Replacer takes a flat list of (oldVal, newVal) pairs, so we
// need to allocate twice the space and assign accordingly
newlinesOldNew := make([]string, 2*len(replaceNewlines))
i = 0
for _, nl := range newlinesToReplace {
newlinesOldNew[2*i] = nl
newlinesOldNew[2*i+1] = targetNewline
i++
}
replacer := strings.NewReplacer(newlinesOldNew...)
return replacer.Replace(content)
}
// Content returns the content that will be added, separated by the explicitly
// provided `targetNewline`
func (c *contentToAdd) Content(targetNewline string) string {
return withNewline(c.content, targetNewline)
}
// LinesToRemove holds the line numbers to remove from the existing yaml file
type linesToRemove struct {
startLine int
endLine int
}
type fileFixInfo struct {
contentsToAdd *[]contentToAdd
linesToRemove *[]linesToRemove
}

View File

@@ -0,0 +1,89 @@
package fixhandler
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestContentNewlinesMatchTarget(t *testing.T) {
cases := []struct {
Name string
InputContent string
TargetNewline string
WantedContent string
}{
{
"Unix to DOS",
"first line\nsecond line\n",
"\r\n",
"first line\r\nsecond line\r\n",
},
{
"Unix to Unix",
"first line\nsecond line\n",
"\n",
"first line\nsecond line\n",
},
{
"Unix to Mac",
"first line\nsecond line\n",
"\r",
"first line\rsecond line\r",
},
{
"DOS to Unix",
"first line\r\nsecond line\r\n",
"\n",
"first line\nsecond line\n",
},
{
"DOS to DOS",
"first line\r\nsecond line\r\n",
"\r\n",
"first line\r\nsecond line\r\n",
},
{
"DOS to OldMac",
"first line\r\nsecond line\r\n",
"\r",
"first line\rsecond line\r",
},
{
"Mac to DOS",
"first line\rsecond line\r",
"\r\n",
"first line\r\nsecond line\r\n",
},
{
"Mac to Unix",
"first line\rsecond line\r",
"\n",
"first line\nsecond line\n",
},
{
"DOS, Mac to Unix",
"first line\r\n\rsecond line\r",
"\n",
"first line\n\nsecond line\n",
},
{
"Mac, DOS to Unix",
"first line\r\r\r\nsecond line\r",
"\n",
"first line\n\n\nsecond line\n",
},
}
for _, tc := range cases {
t.Run(tc.Name, func(t *testing.T) {
c := &contentToAdd{content: tc.InputContent}
want := tc.WantedContent
got := c.Content(tc.TargetNewline)
assert.Equal(t, want, got)
})
}
}

View File

@@ -0,0 +1,367 @@
package fixhandler
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path"
"path/filepath"
"strconv"
"strings"
"github.com/armosec/armoapi-go/armotypes"
metav1 "github.com/kubescape/kubescape/v2/core/meta/datastructures/v1"
logger "github.com/kubescape/go-logger"
"github.com/kubescape/opa-utils/objectsenvelopes"
"github.com/kubescape/opa-utils/objectsenvelopes/localworkload"
"github.com/kubescape/opa-utils/reporthandling"
"github.com/kubescape/opa-utils/reporthandling/results/v1/resourcesresults"
reporthandlingv2 "github.com/kubescape/opa-utils/reporthandling/v2"
"github.com/mikefarah/yq/v4/pkg/yqlib"
"gopkg.in/op/go-logging.v1"
)
const UserValuePrefix = "YOUR_"
const windowsNewline = "\r\n"
const unixNewline = "\n"
const oldMacNewline = "\r"
func NewFixHandler(fixInfo *metav1.FixInfo) (*FixHandler, error) {
jsonFile, err := os.Open(fixInfo.ReportFile)
if err != nil {
return nil, err
}
defer jsonFile.Close()
byteValue, _ := ioutil.ReadAll(jsonFile)
var reportObj reporthandlingv2.PostureReport
if err = json.Unmarshal(byteValue, &reportObj); err != nil {
return nil, err
}
if err = isSupportedScanningTarget(&reportObj); err != nil {
return nil, err
}
localPath := getLocalPath(&reportObj)
if _, err = os.Stat(localPath); err != nil {
return nil, err
}
backendLoggerLeveled := logging.AddModuleLevel(logging.NewLogBackend(logger.L().GetWriter(), "", 0))
backendLoggerLeveled.SetLevel(logging.ERROR, "")
yqlib.GetLogger().SetBackend(backendLoggerLeveled)
return &FixHandler{
fixInfo: fixInfo,
reportObj: &reportObj,
localBasePath: localPath,
}, nil
}
func isSupportedScanningTarget(report *reporthandlingv2.PostureReport) error {
scanningTarget := report.Metadata.ScanMetadata.ScanningTarget
if scanningTarget == reporthandlingv2.GitLocal || scanningTarget == reporthandlingv2.Directory || scanningTarget == reporthandlingv2.File {
return nil
}
return fmt.Errorf("unsupported scanning target. Supported scanning targets are: a local git repo, a directory or a file")
}
func getLocalPath(report *reporthandlingv2.PostureReport) string {
if report.Metadata.ScanMetadata.ScanningTarget == reporthandlingv2.GitLocal {
return report.Metadata.ContextMetadata.RepoContextMetadata.LocalRootPath
}
if report.Metadata.ScanMetadata.ScanningTarget == reporthandlingv2.Directory {
return report.Metadata.ContextMetadata.DirectoryContextMetadata.BasePath
}
if report.Metadata.ScanMetadata.ScanningTarget == reporthandlingv2.File {
return filepath.Dir(report.Metadata.ContextMetadata.FileContextMetadata.FilePath)
}
return ""
}
func (h *FixHandler) buildResourcesMap() map[string]*reporthandling.Resource {
resourceIdToRawResource := make(map[string]*reporthandling.Resource)
for i := range h.reportObj.Resources {
resourceIdToRawResource[h.reportObj.Resources[i].GetID()] = &h.reportObj.Resources[i]
}
for i := range h.reportObj.Results {
if h.reportObj.Results[i].RawResource == nil {
continue
}
resourceIdToRawResource[h.reportObj.Results[i].RawResource.GetID()] = h.reportObj.Results[i].RawResource
}
return resourceIdToRawResource
}
func (h *FixHandler) getPathFromRawResource(obj map[string]interface{}) string {
if localworkload.IsTypeLocalWorkload(obj) {
localwork := localworkload.NewLocalWorkload(obj)
return localwork.GetPath()
} else if objectsenvelopes.IsTypeRegoResponseVector(obj) {
regoResponseVectorObject := objectsenvelopes.NewRegoResponseVectorObject(obj)
relatedObjects := regoResponseVectorObject.GetRelatedObjects()
for _, relatedObject := range relatedObjects {
if localworkload.IsTypeLocalWorkload(relatedObject.GetObject()) {
return relatedObject.(*localworkload.LocalWorkload).GetPath()
}
}
}
return ""
}
func (h *FixHandler) PrepareResourcesToFix() []ResourceFixInfo {
resourceIdToResource := h.buildResourcesMap()
resourcesToFix := make([]ResourceFixInfo, 0)
for _, result := range h.reportObj.Results {
if !result.GetStatus(nil).IsFailed() {
continue
}
resourceID := result.ResourceID
resourceObj := resourceIdToResource[resourceID]
resourcePath := h.getPathFromRawResource(resourceObj.GetObject())
if resourcePath == "" {
continue
}
if resourceObj.Source == nil || resourceObj.Source.FileType != reporthandling.SourceTypeYaml {
continue
}
relativePath, documentIndex, err := h.getFilePathAndIndex(resourcePath)
if err != nil {
logger.L().Error("Skipping invalid resource path: " + resourcePath)
continue
}
absolutePath := path.Join(h.localBasePath, relativePath)
if _, err := os.Stat(absolutePath); err != nil {
logger.L().Error("Skipping missing file: " + absolutePath)
continue
}
rfi := ResourceFixInfo{
FilePath: absolutePath,
Resource: resourceObj,
YamlExpressions: make(map[string]*armotypes.FixPath, 0),
DocumentIndex: documentIndex,
}
for i := range result.AssociatedControls {
if result.AssociatedControls[i].GetStatus(nil).IsFailed() {
rfi.addYamlExpressionsFromResourceAssociatedControl(documentIndex, &result.AssociatedControls[i], h.fixInfo.SkipUserValues)
}
}
if len(rfi.YamlExpressions) > 0 {
resourcesToFix = append(resourcesToFix, rfi)
}
}
return resourcesToFix
}
func (h *FixHandler) PrintExpectedChanges(resourcesToFix []ResourceFixInfo) {
var sb strings.Builder
sb.WriteString("The following changes will be applied:\n")
for _, resourceFixInfo := range resourcesToFix {
sb.WriteString(fmt.Sprintf("File: %s\n", resourceFixInfo.FilePath))
sb.WriteString(fmt.Sprintf("Resource: %s\n", resourceFixInfo.Resource.GetName()))
sb.WriteString(fmt.Sprintf("Kind: %s\n", resourceFixInfo.Resource.GetKind()))
sb.WriteString("Changes:\n")
i := 1
for _, fixPath := range resourceFixInfo.YamlExpressions {
sb.WriteString(fmt.Sprintf("\t%d) %s = %s\n", i, (*fixPath).Path, (*fixPath).Value))
i++
}
sb.WriteString("\n------\n")
}
logger.L().Info(sb.String())
}
func (h *FixHandler) ApplyChanges(resourcesToFix []ResourceFixInfo) (int, []error) {
updatedFiles := make(map[string]bool)
errors := make([]error, 0)
fileYamlExpressions := h.getFileYamlExpressions(resourcesToFix)
for filepath, yamlExpression := range fileYamlExpressions {
fileAsString, err := getFileString(filepath)
if err != nil {
errors = append(errors, err)
continue
}
fixedYamlString, err := h.ApplyFixToContent(fileAsString, yamlExpression)
if err != nil {
errors = append(errors, fmt.Errorf("Failed to fix file %s: %w ", filepath, err))
continue
} else {
updatedFiles[filepath] = true
}
err = writeFixesToFile(filepath, fixedYamlString)
if err != nil {
logger.L().Error(fmt.Sprintf("Failed to write fixes to file %s, %v", filepath, err.Error()))
errors = append(errors, err)
}
}
return len(updatedFiles), errors
}
func (h *FixHandler) getFilePathAndIndex(filePathWithIndex string) (filePath string, documentIndex int, err error) {
splittedPath := strings.Split(filePathWithIndex, ":")
if len(splittedPath) <= 1 {
return "", 0, fmt.Errorf("expected to find ':' in file path")
}
filePath = splittedPath[0]
if documentIndex, err := strconv.Atoi(splittedPath[1]); err != nil {
return "", 0, err
} else {
return filePath, documentIndex, nil
}
}
func (h *FixHandler) ApplyFixToContent(yamlAsString, yamlExpression string) (fixedString string, err error) {
newline := determineNewlineSeparator(yamlAsString)
yamlLines := strings.Split(yamlAsString, newline)
originalRootNodes, err := decodeDocumentRoots(yamlAsString)
if err != nil {
return "", err
}
fixedRootNodes, err := getFixedNodes(yamlAsString, yamlExpression)
if err != nil {
return "", err
}
fileFixInfo := getFixInfo(originalRootNodes, fixedRootNodes)
fixedYamlLines := getFixedYamlLines(yamlLines, fileFixInfo, newline)
fixedString = getStringFromSlice(fixedYamlLines, newline)
return fixedString, nil
}
func (h *FixHandler) getFileYamlExpressions(resourcesToFix []ResourceFixInfo) map[string]string {
fileYamlExpressions := make(map[string]string, 0)
for _, resourceToFix := range resourcesToFix {
singleExpression := reduceYamlExpressions(&resourceToFix)
resourceFilePath := resourceToFix.FilePath
if _, pathExistsInMap := fileYamlExpressions[resourceFilePath]; !pathExistsInMap {
fileYamlExpressions[resourceFilePath] = singleExpression
} else {
fileYamlExpressions[resourceFilePath] = joinStrings(fileYamlExpressions[resourceFilePath], " | ", singleExpression)
}
}
return fileYamlExpressions
}
func (rfi *ResourceFixInfo) addYamlExpressionsFromResourceAssociatedControl(documentIndex int, ac *resourcesresults.ResourceAssociatedControl, skipUserValues bool) {
for _, rule := range ac.ResourceAssociatedRules {
if !rule.GetStatus(nil).IsFailed() {
continue
}
for _, rulePaths := range rule.Paths {
if rulePaths.FixPath.Path == "" {
continue
}
if strings.HasPrefix(rulePaths.FixPath.Value, UserValuePrefix) && skipUserValues {
continue
}
yamlExpression := fixPathToValidYamlExpression(rulePaths.FixPath.Path, rulePaths.FixPath.Value, documentIndex)
rfi.YamlExpressions[yamlExpression] = &rulePaths.FixPath
}
}
}
// reduceYamlExpressions reduces the number of yaml expressions to a single one
func reduceYamlExpressions(resource *ResourceFixInfo) string {
expressions := make([]string, 0, len(resource.YamlExpressions))
for expr := range resource.YamlExpressions {
expressions = append(expressions, expr)
}
return strings.Join(expressions, " | ")
}
func fixPathToValidYamlExpression(fixPath, value string, documentIndexInYaml int) string {
isStringValue := true
if _, err := strconv.ParseBool(value); err == nil {
isStringValue = false
} else if _, err := strconv.ParseFloat(value, 64); err == nil {
isStringValue = false
} else if _, err := strconv.Atoi(value); err == nil {
isStringValue = false
}
// Strings should be quoted
if isStringValue {
value = fmt.Sprintf("\"%s\"", value)
}
// select document index and add a dot for the root node
return fmt.Sprintf("select(di==%d).%s |= %s", documentIndexInYaml, fixPath, value)
}
func joinStrings(inputStrings ...string) string {
return strings.Join(inputStrings, "")
}
func getFileString(filepath string) (string, error) {
bytes, err := ioutil.ReadFile(filepath)
if err != nil {
return "", fmt.Errorf("Error reading file %s", filepath)
}
return string(bytes), nil
}
func writeFixesToFile(filepath, content string) error {
err := ioutil.WriteFile(filepath, []byte(content), 0644)
if err != nil {
return fmt.Errorf("Error writing fixes to file: %w", err)
}
return nil
}
func determineNewlineSeparator(contents string) string {
switch {
case strings.Contains(contents, windowsNewline):
return windowsNewline
default:
return unixNewline
}
}

View File

@@ -0,0 +1,253 @@
package fixhandler
import (
"os"
"path/filepath"
"testing"
logger "github.com/kubescape/go-logger"
metav1 "github.com/kubescape/kubescape/v2/core/meta/datastructures/v1"
reporthandlingv2 "github.com/kubescape/opa-utils/reporthandling/v2"
"github.com/mikefarah/yq/v4/pkg/yqlib"
"github.com/stretchr/testify/assert"
"gopkg.in/op/go-logging.v1"
)
type indentationTestCase struct {
inputFile string
yamlExpression string
expectedFile string
}
func NewFixHandlerMock() (*FixHandler, error) {
backendLoggerLeveled := logging.AddModuleLevel(logging.NewLogBackend(logger.L().GetWriter(), "", 0))
backendLoggerLeveled.SetLevel(logging.ERROR, "")
yqlib.GetLogger().SetBackend(backendLoggerLeveled)
return &FixHandler{
fixInfo: &metav1.FixInfo{},
reportObj: &reporthandlingv2.PostureReport{},
localBasePath: "",
}, nil
}
func getTestdataPath() string {
currentDir, _ := os.Getwd()
return filepath.Join(currentDir, "testdata")
}
func getTestCases() []indentationTestCase {
indentationTestCases := []indentationTestCase{
// Insertion Scenarios
{
"inserts/tc-01-00-input-mapping-insert-mapping.yaml",
"select(di==0).spec.containers[0].securityContext.allowPrivilegeEscalation |= false",
"inserts/tc-01-01-expected.yaml",
},
{
"inserts/tc-02-00-input-mapping-insert-mapping-with-list.yaml",
"select(di==0).spec.containers[0].securityContext.capabilities.drop += [\"NET_RAW\"]",
"inserts/tc-02-01-expected.yaml",
},
{
"inserts/tc-03-00-input-list-append-scalar.yaml",
"select(di==0).spec.containers[0].securityContext.capabilities.drop += [\"SYS_ADM\"]",
"inserts/tc-03-01-expected.yaml",
},
{
"inserts/tc-04-00-input-multiple-inserts.yaml",
`select(di==0).spec.template.spec.securityContext.allowPrivilegeEscalation |= false |
select(di==0).spec.template.spec.containers[0].securityContext.capabilities.drop += ["NET_RAW"] |
select(di==0).spec.template.spec.containers[0].securityContext.seccompProfile.type |= "RuntimeDefault" |
select(di==0).spec.template.spec.containers[0].securityContext.allowPrivilegeEscalation |= false |
select(di==0).spec.template.spec.containers[0].securityContext.readOnlyRootFilesystem |= true`,
"inserts/tc-04-01-expected.yaml",
},
{
"inserts/tc-05-00-input-comment-blank-line-single-insert.yaml",
"select(di==0).spec.containers[0].securityContext.allowPrivilegeEscalation |= false",
"inserts/tc-05-01-expected.yaml",
},
{
"inserts/tc-06-00-input-list-append-scalar-oneline.yaml",
"select(di==0).spec.containers[0].securityContext.capabilities.drop += [\"SYS_ADM\"]",
"inserts/tc-06-01-expected.yaml",
},
{
"inserts/tc-07-00-input-multiple-documents.yaml",
`select(di==0).spec.containers[0].securityContext.allowPrivilegeEscalation |= false |
select(di==1).spec.containers[0].securityContext.allowPrivilegeEscalation |= false`,
"inserts/tc-07-01-expected.yaml",
},
{
"inserts/tc-08-00-input-mapping-insert-mapping-indented.yaml",
"select(di==0).spec.containers[0].securityContext.capabilities.drop += [\"NET_RAW\"]",
"inserts/tc-08-01-expected.yaml",
},
{
"inserts/tc-09-00-input-list-insert-new-mapping-indented.yaml",
`select(di==0).spec.containers += {"name": "redis", "image": "redis"}`,
"inserts/tc-09-01-expected.yaml",
},
{
"inserts/tc-10-00-input-list-insert-new-mapping.yaml",
`select(di==0).spec.containers += {"name": "redis", "image": "redis"}`,
"inserts/tc-10-01-expected.yaml",
},
{
"inserts/tc-11-00-input-list-insert-new-mapping-crlf-newlines.yaml",
`select(di==0).spec.containers += {"name": "redis", "image": "redis"}`,
"inserts/tc-11-01-expected.yaml",
},
// Removal Scenarios
{
"removals/tc-01-00-input.yaml",
"del(select(di==0).spec.containers[0].securityContext)",
"removals/tc-01-01-expected.yaml",
},
{
"removals/tc-02-00-input.yaml",
"del(select(di==0).spec.containers[1])",
"removals/tc-02-01-expected.yaml",
},
{
"removals/tc-03-00-input.yaml",
"del(select(di==0).spec.containers[0].securityContext.capabilities.drop[1])",
"removals/tc-03-01-expected.yaml",
},
{
"removes/tc-04-00-input.yaml",
`del(select(di==0).spec.containers[0].securityContext) |
del(select(di==1).spec.containers[1])`,
"removes/tc-04-01-expected.yaml",
},
// Replace Scenarios
{
"replaces/tc-01-00-input.yaml",
"select(di==0).spec.containers[0].securityContext.runAsRoot |= false",
"replaces/tc-01-01-expected.yaml",
},
{
"replaces/tc-02-00-input.yaml",
`select(di==0).spec.containers[0].securityContext.capabilities.drop[0] |= "SYS_ADM" |
select(di==0).spec.containers[0].securityContext.capabilities.add[0] |= "NET_RAW"`,
"replaces/tc-02-01-expected.yaml",
},
// Hybrid Scenarios
{
"hybrids/tc-01-00-input.yaml",
`del(select(di==0).spec.containers[0].securityContext) |
select(di==0).spec.securityContext.runAsRoot |= false`,
"hybrids/tc-01-01-expected.yaml",
},
{
"hybrids/tc-02-00-input-indented-list.yaml",
`del(select(di==0).spec.containers[0].securityContext) |
select(di==0).spec.securityContext.runAsRoot |= false`,
"hybrids/tc-02-01-expected.yaml",
},
{
"hybrids/tc-03-00-input-comments.yaml",
`del(select(di==0).spec.containers[0].securityContext) |
select(di==0).spec.securityContext.runAsRoot |= false`,
"hybrids/tc-03-01-expected.yaml",
},
{
"hybrids/tc-04-00-input-separated-keys.yaml",
`del(select(di==0).spec.containers[0].securityContext) |
select(di==0).spec.securityContext.runAsRoot |= false`,
"hybrids/tc-04-01-expected.yaml",
},
}
return indentationTestCases
}
func TestApplyFixKeepsFormatting(t *testing.T) {
testCases := getTestCases()
for _, tc := range testCases {
t.Run(tc.inputFile, func(t *testing.T) {
getTestDataPath := func(filename string) string {
currentDir, _ := os.Getwd()
currentFile := "testdata/" + filename
return filepath.Join(currentDir, currentFile)
}
input, _ := os.ReadFile(getTestDataPath(tc.inputFile))
wantRaw, _ := os.ReadFile(getTestDataPath(tc.expectedFile))
want := string(wantRaw)
expression := tc.yamlExpression
h, _ := NewFixHandlerMock()
got, _ := h.ApplyFixToContent(string(input), expression)
assert.Equalf(
t, want, got,
"Contents of the fixed file don't match the expectation.\n"+
"Input file: %s\n\n"+
"Got: <%s>\n\n"+
"Want: <%s>",
tc.inputFile, got, want,
)
},
)
}
}
func Test_fixPathToValidYamlExpression(t *testing.T) {
type args struct {
fixPath string
value string
documentIndexInYaml int
}
tests := []struct {
name string
args args
want string
}{
{
name: "fix path with boolean value",
args: args{
fixPath: "spec.template.spec.containers[0].securityContext.privileged",
value: "true",
documentIndexInYaml: 2,
},
want: "select(di==2).spec.template.spec.containers[0].securityContext.privileged |= true",
},
{
name: "fix path with string value",
args: args{
fixPath: "metadata.namespace",
value: "YOUR_NAMESPACE",
documentIndexInYaml: 0,
},
want: "select(di==0).metadata.namespace |= \"YOUR_NAMESPACE\"",
},
{
name: "fix path with number",
args: args{
fixPath: "xxx.yyy",
value: "123",
documentIndexInYaml: 0,
},
want: "select(di==0).xxx.yyy |= 123",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := fixPathToValidYamlExpression(tt.args.fixPath, tt.args.value, tt.args.documentIndexInYaml); got != tt.want {
t.Errorf("fixPathToValidYamlExpression() = %v, want %v", got, tt.want)
}
})
}
}

View File

@@ -0,0 +1,19 @@
# Fix to Apply:
# REMOVE:
# "del(select(di==0).spec.containers[0].securityContext)"
# INSERT:
# select(di==0).spec.securityContext.runAsRoot: false
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
runAsRoot: true

View File

@@ -0,0 +1,19 @@
# Fix to Apply:
# REMOVE:
# "del(select(di==0).spec.containers[0].securityContext)"
# INSERT:
# select(di==0).spec.securityContext.runAsRoot: false
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
runAsRoot: false

View File

@@ -0,0 +1,19 @@
# Fix to Apply:
# REMOVE:
# "del(select(di==0).spec.containers[0].securityContext)"
# INSERT:
# select(di==0).spec.securityContext.runAsRoot: false
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
runAsRoot: true

View File

@@ -0,0 +1,19 @@
# Fix to Apply:
# REMOVE:
# "del(select(di==0).spec.containers[0].securityContext)"
# INSERT:
# select(di==0).spec.securityContext.runAsRoot: false
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
runAsRoot: false

View File

@@ -0,0 +1,21 @@
# Fix to Apply:
# REMOVE:
# "del(select(di==0).spec.containers[0].securityContext)"
# INSERT:
# select(di==0).spec.securityContext.runAsRoot: false
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
# These are the container comments
containers:
# These are the first containers comments
- name: nginx_container
image: nginx
securityContext:
runAsRoot: true

View File

@@ -0,0 +1,21 @@
# Fix to Apply:
# REMOVE:
# "del(select(di==0).spec.containers[0].securityContext)"
# INSERT:
# select(di==0).spec.securityContext.runAsRoot: false
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
# These are the container comments
containers:
# These are the first containers comments
- name: nginx_container
image: nginx
securityContext:
runAsRoot: false

View File

@@ -0,0 +1,21 @@
# Fix to Apply:
# REMOVE:
# "del(select(di==0).spec.containers[0].securityContext)"
# INSERT:
# select(di==0).spec.securityContext.runAsRoot: false
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
runAsRoot: true

View File

@@ -0,0 +1,21 @@
# Fix to Apply:
# REMOVE:
# "del(select(di==0).spec.containers[0].securityContext)"
# INSERT:
# select(di==0).spec.securityContext.runAsRoot: false
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
runAsRoot: false

View File

@@ -0,0 +1,12 @@
# Fix to Apply:
# "select(di==0).spec.containers[0].securityContext.allowPrivilegeEscalation |= false"
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
containers:
- name: nginx_container
image: nginx

View File

@@ -0,0 +1,14 @@
# Fix to Apply:
# "select(di==0).spec.containers[0].securityContext.allowPrivilegeEscalation |= false"
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
allowPrivilegeEscalation: false

View File

@@ -0,0 +1,11 @@
# Fix to Apply:
# select(di==0).spec.containers[0].securityContext.capabilities.drop += ["NET_RAW"]
apiVersion: v1
kind: Pod
metadata:
name: insert_list
spec:
containers:
- name: nginx_container
image: nginx

View File

@@ -0,0 +1,15 @@
# Fix to Apply:
# select(di==0).spec.containers[0].securityContext.capabilities.drop += ["NET_RAW"]
apiVersion: v1
kind: Pod
metadata:
name: insert_list
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
capabilities:
drop:
- NET_RAW

View File

@@ -0,0 +1,15 @@
# Fix to Apply:
# select(di==0).spec.containers[0].securityContext.capabilities.drop += ["SYS_ADM"]
apiVersion: v1
kind: Pod
metadata:
name: insert_list
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
capabilities:
drop:
- NET_RAW

View File

@@ -0,0 +1,16 @@
# Fix to Apply:
# select(di==0).spec.containers[0].securityContext.capabilities.drop += ["SYS_ADM"]
apiVersion: v1
kind: Pod
metadata:
name: insert_list
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
capabilities:
drop:
- NET_RAW
- SYS_ADM

View File

@@ -0,0 +1,47 @@
# Fixes to Apply:
# 1) select(di==0).spec.template.spec.securityContext.allowPrivilegeEscalation = false
# 2) select(di==0).spec.template.spec.containers[0].securityContext.capabilities.drop += ["NET_RAW"]
# 3) select(di==0).spec.template.spec.containers[0].securityContext.seccompProfile.type = RuntimeDefault
# 4) select(di==0).spec.template.spec.containers[0].securityContext.allowPrivilegeEscalation |= false
# 5) select(di==0).spec.template.spec.containers[0].securityContext.readOnlyRootFilesystem |= true
apiVersion: apps/v1
kind: Deployment
metadata:
name: multiple_inserts
spec:
selector:
matchLabels:
app: example_4
template:
metadata:
labels:
app: example_4
spec:
serviceAccountName: default
terminationGracePeriodSeconds: 5
containers:
- name: example_4
image: nginx
ports:
- containerPort: 3000
env:
- name: PORT
value: "3000"
resources:
requests:
cpu: 200m
memory: 180Mi
limits:
cpu: 300m
memory: 300Mi
readinessProbe:
initialDelaySeconds: 20
periodSeconds: 15
exec:
command: ["/bin/grpc_health_probe", "-addr=:3000"]
livenessProbe:
initialDelaySeconds: 20
periodSeconds: 15
exec:
command: ["/bin/grpc_health_probe", "-addr=:3000"]

View File

@@ -0,0 +1,57 @@
# Fixes to Apply:
# 1) select(di==0).spec.template.spec.securityContext.allowPrivilegeEscalation = false
# 2) select(di==0).spec.template.spec.containers[0].securityContext.capabilities.drop += ["NET_RAW"]
# 3) select(di==0).spec.template.spec.containers[0].securityContext.seccompProfile.type = RuntimeDefault
# 4) select(di==0).spec.template.spec.containers[0].securityContext.allowPrivilegeEscalation |= false
# 5) select(di==0).spec.template.spec.containers[0].securityContext.readOnlyRootFilesystem |= true
apiVersion: apps/v1
kind: Deployment
metadata:
name: multiple_inserts
spec:
selector:
matchLabels:
app: example_4
template:
metadata:
labels:
app: example_4
spec:
serviceAccountName: default
terminationGracePeriodSeconds: 5
containers:
- name: example_4
image: nginx
ports:
- containerPort: 3000
env:
- name: PORT
value: "3000"
resources:
requests:
cpu: 200m
memory: 180Mi
limits:
cpu: 300m
memory: 300Mi
readinessProbe:
initialDelaySeconds: 20
periodSeconds: 15
exec:
command: ["/bin/grpc_health_probe", "-addr=:3000"]
livenessProbe:
initialDelaySeconds: 20
periodSeconds: 15
exec:
command: ["/bin/grpc_health_probe", "-addr=:3000"]
securityContext:
capabilities:
drop:
- NET_RAW
seccompProfile:
type: RuntimeDefault
allowPrivilegeEscalation: false
readOnlyRootFilesystem: true
securityContext:
allowPrivilegeEscalation: false

View File

@@ -0,0 +1,16 @@
# Fix to Apply:
# "select(di==0).spec.containers[0].securityContext.allowPrivilegeEscalation |= false"
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
containers:
- name: nginx_container
image: nginx
# Testing if comments are retained as intended
securityContext:
runAsRoot: false

View File

@@ -0,0 +1,18 @@
# Fix to Apply:
# "select(di==0).spec.containers[0].securityContext.allowPrivilegeEscalation |= false"
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
allowPrivilegeEscalation: false
# Testing if comments are retained as intended
securityContext:
runAsRoot: false

View File

@@ -0,0 +1,14 @@
# Fix to Apply:
# select(di==0).spec.containers[0].securityContext.capabilities.drop += ["SYS_ADM"]
apiVersion: v1
kind: Pod
metadata:
name: insert_list
spec:
containers:
- name: nginx1
image: nginx
securityContext:
capabilities:
drop: [NET_RAW]

View File

@@ -0,0 +1,14 @@
# Fix to Apply:
# select(di==0).spec.containers[0].securityContext.capabilities.drop += ["SYS_ADM"]
apiVersion: v1
kind: Pod
metadata:
name: insert_list
spec:
containers:
- name: nginx1
image: nginx
securityContext:
capabilities:
drop: [NET_RAW, SYS_ADM]

View File

@@ -0,0 +1,27 @@
# Fix to Apply:
# "select(di==0).spec.containers[0].securityContext.allowPrivilegeEscalation |= false"
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
containers:
- name: nginx_container
image: nginx
---
# Fix to Apply:
# "select(di==1).spec.containers[0].securityContext.allowPrivilegeEscalation |= false"
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
containers:
- name: nginx_container
image: nginx

View File

@@ -0,0 +1,31 @@
# Fix to Apply:
# "select(di==0).spec.containers[0].securityContext.allowPrivilegeEscalation |= false"
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
allowPrivilegeEscalation: false
---
# Fix to Apply:
# "select(di==1).spec.containers[0].securityContext.allowPrivilegeEscalation |= false"
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
allowPrivilegeEscalation: false

View File

@@ -0,0 +1,11 @@
# Fix to Apply:
# select(di==0).spec.containers[0].securityContext.capabilities.drop += ["NET_RAW"]
apiVersion: v1
kind: Pod
metadata:
name: indented-parent-list-insert-list-value
spec:
containers:
- name: nginx_container
image: nginx

View File

@@ -0,0 +1,15 @@
# Fix to Apply:
# select(di==0).spec.containers[0].securityContext.capabilities.drop += ["NET_RAW"]
apiVersion: v1
kind: Pod
metadata:
name: indented-parent-list-insert-list-value
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
capabilities:
drop:
- NET_RAW

View File

@@ -0,0 +1,11 @@
# Fix to Apply:
# select(di==0).spec.containers += {"name": "redis", "image": "redis"}
apiVersion: v1
kind: Pod
metadata:
name: indented-parent-list-insert-list-value
spec:
containers:
- name: nginx_container
image: nginx

View File

@@ -0,0 +1,13 @@
# Fix to Apply:
# select(di==0).spec.containers += {"name": "redis", "image": "redis"}
apiVersion: v1
kind: Pod
metadata:
name: indented-parent-list-insert-list-value
spec:
containers:
- name: nginx_container
image: nginx
- name: redis
image: redis

View File

@@ -0,0 +1,11 @@
# Fix to Apply:
# select(di==0).spec.containers += {"name": "redis", "image": "redis"}
apiVersion: v1
kind: Pod
metadata:
name: indented-list-insert-new-object
spec:
containers:
- name: nginx_container
image: nginx

View File

@@ -0,0 +1,13 @@
# Fix to Apply:
# select(di==0).spec.containers += {"name": "redis", "image": "redis"}
apiVersion: v1
kind: Pod
metadata:
name: indented-list-insert-new-object
spec:
containers:
- name: nginx_container
image: nginx
- name: redis
image: redis

View File

@@ -0,0 +1,11 @@
# Fix to Apply:
# select(di==0).spec.containers += {"name": "redis", "image": "redis"}
apiVersion: v1
kind: Pod
metadata:
name: indented-list-insert-new-object
spec:
containers:
- name: nginx_container
image: nginx

View File

@@ -0,0 +1,13 @@
# Fix to Apply:
# select(di==0).spec.containers += {"name": "redis", "image": "redis"}
apiVersion: v1
kind: Pod
metadata:
name: indented-list-insert-new-object
spec:
containers:
- name: nginx_container
image: nginx
- name: redis
image: redis

View File

@@ -0,0 +1,14 @@
# Fix to Apply:
# del(select(di==0).spec.containers[0].securityContext)
apiVersion: v1
kind: Pod
metadata:
name: remove_example
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
runAsRoot: false

View File

@@ -0,0 +1,12 @@
# Fix to Apply:
# del(select(di==0).spec.containers[0].securityContext)
apiVersion: v1
kind: Pod
metadata:
name: remove_example
spec:
containers:
- name: nginx_container
image: nginx

View File

@@ -0,0 +1,15 @@
# Fix to Apply:
# del(select(di==0).spec.containers[1])
apiVersion: v1
kind: Pod
metadata:
name: remove_example
spec:
containers:
- name: nginx_container
image: nginx
- name: container_with_security_issues
image: image_with_security_issues

View File

@@ -0,0 +1,12 @@
# Fix to Apply:
# del(select(di==0).spec.containers[1])
apiVersion: v1
kind: Pod
metadata:
name: remove_example
spec:
containers:
- name: nginx_container
image: nginx

View File

@@ -0,0 +1,14 @@
# Fix to Apply:
# del(select(di==0).spec.containers[0].securityContext.capabilities.drop[1])
apiVersion: v1
kind: Pod
metadata:
name: insert_list
spec:
containers:
- name: nginx1
image: nginx
securityContext:
capabilities:
drop: ["NET_RAW", "SYS_ADM"]

View File

@@ -0,0 +1,14 @@
# Fix to Apply:
# del(select(di==0).spec.containers[0].securityContext.capabilities.drop[1])
apiVersion: v1
kind: Pod
metadata:
name: insert_list
spec:
containers:
- name: nginx1
image: nginx
securityContext:
capabilities:
drop: ["NET_RAW"]

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@@ -0,0 +1,32 @@
# Fix to Apply:
# del(select(di==0).spec.containers[0].securityContext)
apiVersion: v1
kind: Pod
metadata:
name: remove_example
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
runAsRoot: false
---
# Fix to Apply:
# del(select(di==0).spec.containers[1])
apiVersion: v1
kind: Pod
metadata:
name: remove_example
spec:
containers:
- name: nginx_container
image: nginx
- name: container_with_security_issues
image: image_with_security_issues

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@@ -0,0 +1,27 @@
# Fix to Apply:
# del(select(di==0).spec.containers[0].securityContext)
apiVersion: v1
kind: Pod
metadata:
name: remove_example
spec:
containers:
- name: nginx_container
image: nginx
---
# Fix to Apply:
# del(select(di==0).spec.containers[1])
apiVersion: v1
kind: Pod
metadata:
name: remove_example
spec:
containers:
- name: nginx_container
image: nginx

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@@ -0,0 +1,14 @@
# Fix to Apply:
# "select(di==0).spec.containers[0].securityContext.runAsRoot |= false"
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
runAsRoot: true

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@@ -0,0 +1,14 @@
# Fix to Apply:
# "select(di==0).spec.containers[0].securityContext.runAsRoot |= false"
apiVersion: v1
kind: Pod
metadata:
name: insert_to_mapping_node_1
spec:
containers:
- name: nginx_container
image: nginx
securityContext:
runAsRoot: false

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@@ -0,0 +1,18 @@
# Fix to Apply:
# select(di==0).spec.containers[0].securityContext.capabilities.drop[0] |= "SYS_ADM"
# select(di==0).spec.containers[0].securityContext.capabilities.add[0] |= "NET_RAW"
apiVersion: v1
kind: Pod
metadata:
name: insert_list
spec:
containers:
- name: nginx1
image: nginx
securityContext:
capabilities:
drop:
- "NET_RAW"
add: ["SYS_ADM"]

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@@ -0,0 +1,18 @@
# Fix to Apply:
# select(di==0).spec.containers[0].securityContext.capabilities.drop[0] |= "SYS_ADM"
# select(di==0).spec.containers[0].securityContext.capabilities.add[0] |= "NET_RAW"
apiVersion: v1
kind: Pod
metadata:
name: insert_list
spec:
containers:
- name: nginx1
image: nginx
securityContext:
capabilities:
drop:
- "SYS_ADM"
add: ["NET_RAW"]

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@@ -0,0 +1,286 @@
package fixhandler
import (
"container/list"
"errors"
"fmt"
"io"
"strings"
"github.com/mikefarah/yq/v4/pkg/yqlib"
"gopkg.in/yaml.v3"
)
// decodeDocumentRoots decodes all YAML documents stored in a given `filepath` and returns a slice of their root nodes
func decodeDocumentRoots(yamlAsString string) ([]yaml.Node, error) {
fileReader := strings.NewReader(yamlAsString)
dec := yaml.NewDecoder(fileReader)
nodes := make([]yaml.Node, 0)
for {
var node yaml.Node
err := dec.Decode(&node)
nodes = append(nodes, node)
if errors.Is(err, io.EOF) {
break
}
if err != nil {
return nil, fmt.Errorf("Cannot Decode File as YAML")
}
}
return nodes, nil
}
func getFixedNodes(yamlAsString, yamlExpression string) ([]yaml.Node, error) {
preferences := yqlib.ConfiguredYamlPreferences
preferences.EvaluateTogether = true
decoder := yqlib.NewYamlDecoder(preferences)
var allDocuments = list.New()
reader := strings.NewReader(yamlAsString)
fileDocuments, err := readDocuments(reader, decoder)
if err != nil {
return nil, err
}
allDocuments.PushBackList(fileDocuments)
allAtOnceEvaluator := yqlib.NewAllAtOnceEvaluator()
fixedCandidateNodes, err := allAtOnceEvaluator.EvaluateCandidateNodes(yamlExpression, allDocuments)
if err != nil {
return nil, fmt.Errorf("Error fixing YAML, %w", err)
}
fixedNodes := make([]yaml.Node, 0)
var fixedNode *yaml.Node
for fixedCandidateNode := fixedCandidateNodes.Front(); fixedCandidateNode != nil; fixedCandidateNode = fixedCandidateNode.Next() {
fixedNode = fixedCandidateNode.Value.(*yqlib.CandidateNode).Node
fixedNodes = append(fixedNodes, *fixedNode)
}
return fixedNodes, nil
}
func flattenWithDFS(node *yaml.Node) *[]nodeInfo {
dfsOrder := make([]nodeInfo, 0)
flattenWithDFSHelper(node, nil, &dfsOrder, 0)
return &dfsOrder
}
func flattenWithDFSHelper(node *yaml.Node, parent *yaml.Node, dfsOrder *[]nodeInfo, index int) {
dfsNode := nodeInfo{
node: node,
parent: parent,
index: index,
}
*dfsOrder = append(*dfsOrder, dfsNode)
for idx, child := range node.Content {
flattenWithDFSHelper(child, node, dfsOrder, idx)
}
}
func getFixInfo(originalRootNodes, fixedRootNodes []yaml.Node) fileFixInfo {
contentToAdd := make([]contentToAdd, 0)
linesToRemove := make([]linesToRemove, 0)
for idx := 0; idx < len(fixedRootNodes); idx++ {
originalList := flattenWithDFS(&originalRootNodes[idx])
fixedList := flattenWithDFS(&fixedRootNodes[idx])
nodeContentToAdd, nodeLinesToRemove := getFixInfoHelper(*originalList, *fixedList)
contentToAdd = append(contentToAdd, nodeContentToAdd...)
linesToRemove = append(linesToRemove, nodeLinesToRemove...)
}
return fileFixInfo{
contentsToAdd: &contentToAdd,
linesToRemove: &linesToRemove,
}
}
func getFixInfoHelper(originalList, fixedList []nodeInfo) ([]contentToAdd, []linesToRemove) {
// While obtaining fixedYamlNode, comments and empty lines at the top are ignored.
// This causes a difference in Line numbers across the tree structure. In order to
// counter this, line numbers are adjusted in fixed list.
adjustFixedListLines(&originalList, &fixedList)
contentToAdd := make([]contentToAdd, 0)
linesToRemove := make([]linesToRemove, 0)
originalListTracker, fixedListTracker := 0, 0
fixInfoMetadata := &fixInfoMetadata{
originalList: &originalList,
fixedList: &fixedList,
originalListTracker: originalListTracker,
fixedListTracker: fixedListTracker,
contentToAdd: &contentToAdd,
linesToRemove: &linesToRemove,
}
for originalListTracker < len(originalList) && fixedListTracker < len(fixedList) {
matchNodeResult := matchNodes(originalList[originalListTracker].node, fixedList[fixedListTracker].node)
fixInfoMetadata.originalListTracker = originalListTracker
fixInfoMetadata.fixedListTracker = fixedListTracker
switch matchNodeResult {
case sameNodes:
originalListTracker += 1
fixedListTracker += 1
case removedNode:
originalListTracker, fixedListTracker = addLinesToRemove(fixInfoMetadata)
case insertedNode:
originalListTracker, fixedListTracker = addLinesToInsert(fixInfoMetadata)
case replacedNode:
originalListTracker, fixedListTracker = updateLinesToReplace(fixInfoMetadata)
}
}
// Some nodes are still not visited if they are removed at the end of the list
for originalListTracker < len(originalList) {
fixInfoMetadata.originalListTracker = originalListTracker
originalListTracker, _ = addLinesToRemove(fixInfoMetadata)
}
// Some nodes are still not visited if they are inserted at the end of the list
for fixedListTracker < len(fixedList) {
// Use negative index of last node in original list as a placeholder to determine the last line number later
fixInfoMetadata.originalListTracker = -(len(originalList) - 1)
fixInfoMetadata.fixedListTracker = fixedListTracker
_, fixedListTracker = addLinesToInsert(fixInfoMetadata)
}
return contentToAdd, linesToRemove
}
// Adds the lines to remove and returns the updated originalListTracker
func addLinesToRemove(fixInfoMetadata *fixInfoMetadata) (int, int) {
isOneLine, line := isOneLineSequenceNode(fixInfoMetadata.originalList, fixInfoMetadata.originalListTracker)
if isOneLine {
// Remove the entire line and replace it with the sequence node in fixed info. This way,
// the original formatting is not lost.
return replaceSingleLineSequence(fixInfoMetadata, line)
}
currentDFSNode := (*fixInfoMetadata.originalList)[fixInfoMetadata.originalListTracker]
newOriginalListTracker := updateTracker(fixInfoMetadata.originalList, fixInfoMetadata.originalListTracker)
*fixInfoMetadata.linesToRemove = append(*fixInfoMetadata.linesToRemove, linesToRemove{
startLine: currentDFSNode.node.Line,
endLine: getNodeLine(fixInfoMetadata.originalList, newOriginalListTracker),
})
return newOriginalListTracker, fixInfoMetadata.fixedListTracker
}
// Adds the lines to insert and returns the updated fixedListTracker
func addLinesToInsert(fixInfoMetadata *fixInfoMetadata) (int, int) {
isOneLine, line := isOneLineSequenceNode(fixInfoMetadata.fixedList, fixInfoMetadata.fixedListTracker)
if isOneLine {
return replaceSingleLineSequence(fixInfoMetadata, line)
}
currentDFSNode := (*fixInfoMetadata.fixedList)[fixInfoMetadata.fixedListTracker]
lineToInsert := getLineToInsert(fixInfoMetadata)
contentToInsert := getContent(currentDFSNode.parent, fixInfoMetadata.fixedList, fixInfoMetadata.fixedListTracker)
newFixedTracker := updateTracker(fixInfoMetadata.fixedList, fixInfoMetadata.fixedListTracker)
*fixInfoMetadata.contentToAdd = append(*fixInfoMetadata.contentToAdd, contentToAdd{
line: lineToInsert,
content: contentToInsert,
})
return fixInfoMetadata.originalListTracker, newFixedTracker
}
// Adds the lines to remove and insert and updates the fixedListTracker and originalListTracker
func updateLinesToReplace(fixInfoMetadata *fixInfoMetadata) (int, int) {
isOneLine, line := isOneLineSequenceNode(fixInfoMetadata.fixedList, fixInfoMetadata.fixedListTracker)
if isOneLine {
return replaceSingleLineSequence(fixInfoMetadata, line)
}
currentDFSNode := (*fixInfoMetadata.fixedList)[fixInfoMetadata.fixedListTracker]
// If only the value node is changed, entire "key-value" pair is replaced
if isValueNodeinMapping(&currentDFSNode) {
fixInfoMetadata.originalListTracker -= 1
fixInfoMetadata.fixedListTracker -= 1
}
addLinesToRemove(fixInfoMetadata)
updatedOriginalTracker, updatedFixedTracker := addLinesToInsert(fixInfoMetadata)
return updatedOriginalTracker, updatedFixedTracker
}
func removeNewLinesAtTheEnd(yamlLines []string) []string {
for idx := 1; idx < len(yamlLines); idx++ {
if yamlLines[len(yamlLines)-idx] != "\n" {
yamlLines = yamlLines[:len(yamlLines)-idx+1]
break
}
}
return yamlLines
}
func getFixedYamlLines(yamlLines []string, fileFixInfo fileFixInfo, newline string) (fixedYamlLines []string) {
// Determining last line requires original yaml lines slice. The placeholder for last line is replaced with the real last line
assignLastLine(fileFixInfo.contentsToAdd, fileFixInfo.linesToRemove, &yamlLines)
removeLines(fileFixInfo.linesToRemove, &yamlLines)
fixedYamlLines = make([]string, 0)
lineIdx, lineToAddIdx := 1, 0
// Ideally, new node is inserted at line before the next node in DFS order. But, when the previous line contains a
// comment or empty line, we need to insert new nodes before them.
adjustContentLines(fileFixInfo.contentsToAdd, &yamlLines)
for lineToAddIdx < len(*fileFixInfo.contentsToAdd) {
for lineIdx <= (*fileFixInfo.contentsToAdd)[lineToAddIdx].line {
// Check if the current line is not removed
if yamlLines[lineIdx-1] != "*" {
fixedYamlLines = append(fixedYamlLines, yamlLines[lineIdx-1])
}
lineIdx += 1
}
content := (*fileFixInfo.contentsToAdd)[lineToAddIdx].Content(newline)
fixedYamlLines = append(fixedYamlLines, content)
lineToAddIdx += 1
}
for lineIdx <= len(yamlLines) {
if yamlLines[lineIdx-1] != "*" {
fixedYamlLines = append(fixedYamlLines, yamlLines[lineIdx-1])
}
lineIdx += 1
}
fixedYamlLines = removeNewLinesAtTheEnd(fixedYamlLines)
return fixedYamlLines
}

View File

@@ -0,0 +1,406 @@
package fixhandler
import (
"bufio"
"bytes"
"container/list"
"errors"
"fmt"
"io"
"math"
"os"
"strings"
logger "github.com/kubescape/go-logger"
"github.com/mikefarah/yq/v4/pkg/yqlib"
"gopkg.in/yaml.v3"
)
type NodeRelation int
const (
sameNodes NodeRelation = iota
insertedNode
removedNode
replacedNode
)
func matchNodes(nodeOne, nodeTwo *yaml.Node) NodeRelation {
isNewNode := nodeTwo.Line == 0 && nodeTwo.Column == 0
sameLines := nodeOne.Line == nodeTwo.Line
sameColumns := nodeOne.Column == nodeTwo.Column
isSameNode := isSameNode(nodeOne, nodeTwo)
switch {
case isSameNode:
return sameNodes
case isNewNode:
return insertedNode
case sameLines && sameColumns:
return replacedNode
default:
return removedNode
}
}
func adjustContentLines(contentToAdd *[]contentToAdd, linesSlice *[]string) {
for contentIdx, content := range *contentToAdd {
line := content.line
// Adjust line numbers such that there are no "empty lines or comment lines of next nodes" before them
for idx := line - 1; idx >= 0; idx-- {
if isEmptyLineOrComment((*linesSlice)[idx]) {
(*contentToAdd)[contentIdx].line -= 1
} else {
break
}
}
}
}
func adjustFixedListLines(originalList, fixedList *[]nodeInfo) {
differenceAtTop := (*originalList)[0].node.Line - (*fixedList)[0].node.Line
if differenceAtTop <= 0 {
return
}
for _, node := range *fixedList {
// line numbers should not be changed for new nodes.
if node.node.Line != 0 {
node.node.Line += differenceAtTop
}
}
return
}
func enocodeIntoYaml(parentNode *yaml.Node, nodeList *[]nodeInfo, tracker int) (string, error) {
content := make([]*yaml.Node, 0)
currentNode := (*nodeList)[tracker].node
content = append(content, currentNode)
// Add the value in "key-value" pair to construct if the parent is mapping node
if parentNode.Kind == yaml.MappingNode {
valueNode := (*nodeList)[tracker+1].node
content = append(content, valueNode)
}
// The parent is added at the top to encode into YAML
parentForContent := yaml.Node{
Kind: parentNode.Kind,
Content: content,
}
buf := new(bytes.Buffer)
encoder := yaml.NewEncoder(buf)
encoder.SetIndent(2)
errorEncoding := encoder.Encode(parentForContent)
if errorEncoding != nil {
return "", fmt.Errorf("Error debugging node, %v", errorEncoding.Error())
}
errorClosingEncoder := encoder.Close()
if errorClosingEncoder != nil {
return "", fmt.Errorf("Error closing encoder: %v", errorClosingEncoder.Error())
}
return fmt.Sprintf(`%v`, buf.String()), nil
}
func getContent(parentNode *yaml.Node, nodeList *[]nodeInfo, tracker int) string {
content, err := enocodeIntoYaml(parentNode, nodeList, tracker)
if err != nil {
logger.L().Fatal("Cannot Encode into YAML")
}
indentationSpaces := parentNode.Column - 1
content = indentContent(content, indentationSpaces)
return strings.TrimSuffix(content, "\n")
}
func indentContent(content string, indentationSpaces int) string {
indentedContent := ""
indentSpaces := strings.Repeat(" ", indentationSpaces)
scanner := bufio.NewScanner(strings.NewReader(content))
for scanner.Scan() {
line := scanner.Text()
indentedContent += (indentSpaces + line + "\n")
}
return indentedContent
}
func getLineToInsert(fixInfoMetadata *fixInfoMetadata) int {
var lineToInsert int
// Check if lineToInsert is last line
if fixInfoMetadata.originalListTracker < 0 {
originalListTracker := int(math.Abs(float64(fixInfoMetadata.originalListTracker)))
// Storing the negative value of line of last node as a placeholder to determine the last line later.
lineToInsert = -(*fixInfoMetadata.originalList)[originalListTracker].node.Line
} else {
lineToInsert = (*fixInfoMetadata.originalList)[fixInfoMetadata.originalListTracker].node.Line - 1
}
return lineToInsert
}
func assignLastLine(contentsToAdd *[]contentToAdd, linesToRemove *[]linesToRemove, linesSlice *[]string) {
for idx, contentToAdd := range *contentsToAdd {
if contentToAdd.line < 0 {
currentLine := int(math.Abs(float64(contentToAdd.line)))
(*contentsToAdd)[idx].line, _ = getLastLineOfResource(linesSlice, currentLine)
}
}
for idx, lineToRemove := range *linesToRemove {
if lineToRemove.endLine < 0 {
endLine, _ := getLastLineOfResource(linesSlice, lineToRemove.startLine)
(*linesToRemove)[idx].endLine = endLine
}
}
}
func getLastLineOfResource(linesSlice *[]string, currentLine int) (int, error) {
// Get lastlines of all resources...
lastLinesOfResources := make([]int, 0)
for lineNumber, lineContent := range *linesSlice {
if lineContent == "---" {
for lastLine := lineNumber - 1; lastLine >= 0; lastLine-- {
if !isEmptyLineOrComment((*linesSlice)[lastLine]) {
lastLinesOfResources = append(lastLinesOfResources, lastLine+1)
break
}
}
}
}
lastLine := len(*linesSlice)
for lastLine >= 0 {
if !isEmptyLineOrComment((*linesSlice)[lastLine-1]) {
lastLinesOfResources = append(lastLinesOfResources, lastLine)
break
} else {
lastLine--
}
}
// Get last line of the resource we need
for _, endLine := range lastLinesOfResources {
if currentLine <= endLine {
return endLine, nil
}
}
return 0, fmt.Errorf("Provided line is greater than the length of YAML file")
}
func getNodeLine(nodeList *[]nodeInfo, tracker int) int {
if tracker < len(*nodeList) {
return (*nodeList)[tracker].node.Line
} else {
return -1
}
}
// Checks if the node is value node in "key-value" pairs of mapping node
func isValueNodeinMapping(node *nodeInfo) bool {
if node.parent.Kind == yaml.MappingNode && node.index%2 != 0 {
return true
}
return false
}
// Checks if the node is part of single line sequence node and returns the line
func isOneLineSequenceNode(list *[]nodeInfo, currentTracker int) (bool, int) {
parentNode := (*list)[currentTracker].parent
if parentNode.Kind != yaml.SequenceNode {
return false, -1
}
var currentNode, prevNode nodeInfo
currentTracker -= 1
for (*list)[currentTracker].node != parentNode {
currentNode = (*list)[currentTracker]
prevNode = (*list)[currentTracker-1]
if currentNode.node.Line != prevNode.node.Line {
return false, -1
}
currentTracker -= 1
}
parentNodeInfo := (*list)[currentTracker]
if parentNodeInfo.parent.Kind == yaml.MappingNode {
keyNodeInfo := (*list)[currentTracker-1]
if keyNodeInfo.node.Line == parentNode.Line {
return true, parentNode.Line
} else {
return false, -1
}
} else {
if parentNodeInfo.parent.Line == parentNode.Line {
return true, parentNode.Line
} else {
return false, -1
}
}
}
// Checks if nodes are of same kind, value, line and column
func isSameNode(nodeOne, nodeTwo *yaml.Node) bool {
sameLines := nodeOne.Line == nodeTwo.Line
sameColumns := nodeOne.Column == nodeTwo.Column
sameKinds := nodeOne.Kind == nodeTwo.Kind
sameValues := nodeOne.Value == nodeTwo.Value
return sameKinds && sameValues && sameLines && sameColumns
}
// Checks if the line is empty or a comment
func isEmptyLineOrComment(lineContent string) bool {
lineContent = strings.TrimSpace(lineContent)
if lineContent == "" {
return true
} else if lineContent[0:1] == "#" {
return true
}
return false
}
func readDocuments(reader io.Reader, decoder yqlib.Decoder) (*list.List, error) {
err := decoder.Init(reader)
if err != nil {
return nil, fmt.Errorf("Error Initializing the decoder, %w", err)
}
inputList := list.New()
var currentIndex uint
for {
candidateNode, errorReading := decoder.Decode()
if errors.Is(errorReading, io.EOF) {
switch reader := reader.(type) {
case *os.File:
safelyCloseFile(reader)
}
return inputList, nil
} else if errorReading != nil {
return nil, fmt.Errorf("Error Decoding YAML file, %w", errorReading)
}
candidateNode.Document = currentIndex
candidateNode.EvaluateTogether = true
inputList.PushBack(candidateNode)
currentIndex = currentIndex + 1
}
}
func safelyCloseFile(file *os.File) {
err := file.Close()
if err != nil {
logger.L().Error("Error Closing File")
}
}
// Remove the entire line and replace it with the sequence node in fixed info. This way,
// the original formatting is lost.
func replaceSingleLineSequence(fixInfoMetadata *fixInfoMetadata, line int) (int, int) {
originalListTracker := getFirstNodeInLine(fixInfoMetadata.originalList, line)
fixedListTracker := getFirstNodeInLine(fixInfoMetadata.fixedList, line)
currentDFSNode := (*fixInfoMetadata.fixedList)[fixedListTracker]
contentToInsert := getContent(currentDFSNode.parent, fixInfoMetadata.fixedList, fixedListTracker)
// Remove the Single line
*fixInfoMetadata.linesToRemove = append(*fixInfoMetadata.linesToRemove, linesToRemove{
startLine: line,
endLine: line,
})
// Encode entire Sequence Node and Insert
*fixInfoMetadata.contentToAdd = append(*fixInfoMetadata.contentToAdd, contentToAdd{
line: line,
content: contentToInsert,
})
originalListTracker = updateTracker(fixInfoMetadata.originalList, originalListTracker)
fixedListTracker = updateTracker(fixInfoMetadata.fixedList, fixedListTracker)
return originalListTracker, fixedListTracker
}
// Returns the first node in the given line that is not mapping node
func getFirstNodeInLine(list *[]nodeInfo, line int) int {
tracker := 0
currentNode := (*list)[tracker].node
for currentNode.Line != line || currentNode.Kind == yaml.MappingNode {
tracker += 1
currentNode = (*list)[tracker].node
}
return tracker
}
// To not mess with the line number while inserting, removed lines are not deleted but replaced with "*"
func removeLines(linesToRemove *[]linesToRemove, linesSlice *[]string) {
var startLine, endLine int
for _, lineToRemove := range *linesToRemove {
startLine = lineToRemove.startLine - 1
endLine = lineToRemove.endLine - 1
for line := startLine; line <= endLine; line++ {
lineContent := (*linesSlice)[line]
// When determining the endLine, empty lines and comments which are not intended to be removed are included.
// To deal with that, we need to refrain from removing empty lines and comments
if isEmptyLineOrComment(lineContent) {
break
}
(*linesSlice)[line] = "*"
}
}
}
// Skips the current node including it's children in DFS order and returns the new tracker.
func skipCurrentNode(node *yaml.Node, currentTracker int) int {
updatedTracker := currentTracker + getChildrenCount(node)
return updatedTracker
}
func getChildrenCount(node *yaml.Node) int {
totalChildren := 1
for _, child := range node.Content {
totalChildren += getChildrenCount(child)
}
return totalChildren
}
// The current node along with it's children is skipped and the tracker is moved to next sibling
// of current node. If parent is mapping node, "value" in "key-value" pairs is also skipped.
func updateTracker(nodeList *[]nodeInfo, tracker int) int {
currentNode := (*nodeList)[tracker]
var updatedTracker int
if currentNode.parent.Kind == yaml.MappingNode {
valueNode := (*nodeList)[tracker+1]
updatedTracker = skipCurrentNode(valueNode.node, tracker+1)
} else {
updatedTracker = skipCurrentNode(currentNode.node, tracker)
}
return updatedTracker
}
func getStringFromSlice(yamlLines []string, newline string) (fixedYamlString string) {
return strings.Join(yamlLines, newline)
}

View File

@@ -75,6 +75,7 @@ func (hsh *HostSensorHandler) Init() error {
// store pod names
// make sure all pods are running, after X seconds treat has running anyway, and log an error on the pods not running yet
logger.L().Info("Installing host scanner")
logger.L().Debug("The host scanner is a DaemonSet that runs on each node in the cluster. The DaemonSet will be running in it's own namespace and will be deleted once the scan is completed. If you do not wish to install the host scanner, please run the scan without the --enable-host-scan flag.")
cautils.StartSpinner()

View File

@@ -4,6 +4,8 @@ import (
"fmt"
"strings"
logger "github.com/kubescape/go-logger"
"github.com/kubescape/go-logger/helpers"
helpersv1 "github.com/kubescape/opa-utils/reporthandling/helpers/v1"
clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
@@ -59,7 +61,10 @@ func (policyHandler *PolicyHandler) CollectResources(policyIdentifier []cautils.
func (policyHandler *PolicyHandler) getResources(policyIdentifier []cautils.PolicyIdentifier, opaSessionObj *cautils.OPASessionObj, scanInfo *cautils.ScanInfo) error {
opaSessionObj.Report.ClusterAPIServerInfo = policyHandler.resourceHandler.GetClusterAPIServerInfo()
setCloudMetadata(opaSessionObj)
// set cloud metadata only when scanning a cluster
if opaSessionObj.Metadata.ScanMetadata.ScanningTarget == reportv2.Cluster {
setCloudMetadata(opaSessionObj)
}
resourcesMap, allResources, ksResources, err := policyHandler.resourceHandler.GetResources(opaSessionObj, &policyIdentifier[0].Designators)
if err != nil {
@@ -91,6 +96,8 @@ func setCloudMetadata(opaSessionObj *cautils.OPASessionObj) {
opaSessionObj.Metadata.ContextMetadata.ClusterContextMetadata.CloudMetadata = cloudMetadata
opaSessionObj.Metadata.ClusterMetadata.CloudMetadata = cloudMetadata // deprecated - fallback
opaSessionObj.Report.ClusterCloudProvider = iCloudMetadata.Provider().ToString() // deprecated - fallback
logger.L().Debug("Cloud metadata", helpers.String("provider", iCloudMetadata.Provider().ToString()), helpers.String("name", iCloudMetadata.GetName()))
}
// getCloudMetadata - get cloud metadata from kubeconfig or API server

View File

@@ -1,15 +1,25 @@
package policyhandler
import (
"context"
_ "embed"
"encoding/json"
"testing"
"github.com/armosec/armoapi-go/armotypes"
"github.com/kubescape/k8s-interface/k8sinterface"
"github.com/kubescape/k8s-interface/workloadinterface"
"github.com/kubescape/kubescape/v2/core/cautils"
"github.com/kubescape/kubescape/v2/core/pkg/resourcehandler"
"github.com/kubescape/opa-utils/reporthandling/apis"
helpersv1 "github.com/kubescape/opa-utils/reporthandling/helpers/v1"
reporthandlingv2 "github.com/kubescape/opa-utils/reporthandling/v2"
reportv2 "github.com/kubescape/opa-utils/reporthandling/v2"
"github.com/stretchr/testify/assert"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/version"
"k8s.io/client-go/dynamic/fake"
fakeclientset "k8s.io/client-go/kubernetes/fake"
clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
)
@@ -18,6 +28,7 @@ var (
kubeConfigMock string
)
func getKubeConfigMock() *clientcmdapi.Config {
kubeConfig := clientcmdapi.Config{}
if err := json.Unmarshal([]byte(kubeConfigMock), &kubeConfig); err != nil {
@@ -199,3 +210,53 @@ func Test_isAKS(t *testing.T) {
})
}
}
type iResourceHandlerMock struct{}
func (*iResourceHandlerMock) GetResources(*cautils.OPASessionObj, *armotypes.PortalDesignator) (*cautils.K8SResources, map[string]workloadinterface.IMetadata, *cautils.KSResources, error) {
return nil, nil, nil, nil
}
func (*iResourceHandlerMock) GetClusterAPIServerInfo() *version.Info {
return nil
}
// https://github.com/kubescape/kubescape/pull/1004
// Cluster named .*eks.* config without a cloudconfig panics whereas we just want to scan a file
func getResourceHandlerMock() *resourcehandler.K8sResourceHandler {
client := fakeclientset.NewSimpleClientset()
fakeDiscovery := client.Discovery()
k8s := &k8sinterface.KubernetesApi{
KubernetesClient: client,
DynamicClient: fake.NewSimpleDynamicClient(runtime.NewScheme()),
DiscoveryClient: fakeDiscovery,
Context: context.Background(),
}
return resourcehandler.NewK8sResourceHandler(k8s, &resourcehandler.EmptySelector{}, nil, nil, nil)
}
func Test_getResources(t *testing.T) {
policyHandler := &PolicyHandler{resourceHandler: getResourceHandlerMock()}
objSession := &cautils.OPASessionObj{
Metadata: &reporthandlingv2.Metadata{
ScanMetadata: reporthandlingv2.ScanMetadata{
ScanningTarget: reportv2.Cluster,
},
},
Report: &reporthandlingv2.PostureReport{
ClusterAPIServerInfo: nil,
},
}
policyIdentifier := []cautils.PolicyIdentifier{{}}
assert.NotPanics(t, func() {
policyHandler.getResources(policyIdentifier, objSession, &cautils.ScanInfo{})
}, "Cluster named .*eks.* without a cloud config panics on cluster scan !")
assert.NotPanics(t, func() {
objSession.Metadata.ScanMetadata.ScanningTarget = reportv2.File
policyHandler.getResources(policyIdentifier, objSession, &cautils.ScanInfo{})
}, "Cluster named .*eks.* without a cloud config panics on non-cluster scan !")
}

View File

@@ -28,6 +28,7 @@ Expecting:
"secretKey": "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
}
```
> **Note**
> If you are missing the `accountID` field, set it by running `kubescape config set accountID <>`
For CICD, set environments variables as following:

View File

@@ -88,6 +88,7 @@ func (fileHandler *FileResourceHandler) GetResources(sessionObj *cautils.OPASess
}
func getResourcesFromPath(path string) (map[string]reporthandling.Source, []workloadinterface.IMetadata, error) {
workloadIDToSource := make(map[string]reporthandling.Source, 0)
workloads := []workloadinterface.IMetadata{}
@@ -108,6 +109,12 @@ func getResourcesFromPath(path string) (map[string]reporthandling.Source, []work
repoRoot, _ = filepath.Abs(path)
}
// when scanning a single file, we consider the repository root to be
// the directory of the scanned file
if cautils.IsYaml(repoRoot) {
repoRoot = filepath.Dir(repoRoot)
}
// load resource from local file system
sourceToWorkloads := cautils.LoadResourcesFromFiles(path, repoRoot)
@@ -117,6 +124,7 @@ func getResourcesFromPath(path string) (map[string]reporthandling.Source, []work
workloads = append(workloads, ws...)
relSource, err := filepath.Rel(repoRoot, source)
if err == nil {
source = relSource
}

View File

@@ -8,6 +8,7 @@ import (
"github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/protocol/packp/capability"
"github.com/go-git/go-git/v5/plumbing/transport"
"github.com/go-git/go-git/v5/plumbing/transport/http"
giturl "github.com/kubescape/go-git-url"
@@ -44,6 +45,10 @@ func getProviderError(gitURL giturl.IGitAPI) error {
return fmt.Errorf("%w", errors.New("GITHUB_TOKEN is not present"))
case "gitlab":
return fmt.Errorf("%w", errors.New("GITLAB_TOKEN is not present"))
case "azure":
return fmt.Errorf("%w", errors.New("AZURE_TOKEN is not present"))
case "bitbucket":
return fmt.Errorf("%w", errors.New("BITBUCKET_TOKEN is not present"))
}
return fmt.Errorf("%w", errors.New("unable to find the host name"))
}
@@ -80,6 +85,11 @@ func cloneRepo(gitURL giturl.IGitAPI) (string, error) {
}
}
// For Azure repo cloning
transport.UnsupportedCapabilities = []capability.Capability{
capability.ThinPack,
}
// Clone option
cloneOpts := git.CloneOptions{URL: cloneURL, Auth: auth}
if gitURL.GetBranchName() != "" {

View File

@@ -34,6 +34,7 @@ func (prettyPrinter *PrettyPrinter) printAttackTreeNode(node v1alpha1.IAttackTra
}
*/
func (prettyPrinter *PrettyPrinter) createFailedControlList(node v1alpha1.IAttackTrackStep) string {
var r string
for i, control := range node.GetControls() {
@@ -120,7 +121,9 @@ func (prettyPrinter *PrettyPrinter) printAttackTracks(opaSessionObj *cautils.OPA
fmt.Fprintf(prettyPrinter.writer, "Severity: %s\n", apis.SeverityNumberToString(resource.Severity))
fmt.Fprintf(prettyPrinter.writer, "Total vectors: %v\n\n", len(resources[i].PriorityVector))
prettyPrinter.printResourceAttackGraph(resourceToAttackTrack[resource.ResourceID])
if v, found := resourceToAttackTrack[resource.ResourceID]; found {
prettyPrinter.printResourceAttackGraph(v)
}
sort.Slice(resource.PriorityVector, func(x, y int) bool {
return resource.PriorityVector[x].Score > resource.PriorityVector[y].Score

View File

@@ -14,6 +14,7 @@ import (
func FinalizeResults(data *cautils.OPASessionObj) *reporthandlingv2.PostureReport {
report := reporthandlingv2.PostureReport{
SummaryDetails: data.Report.SummaryDetails,
Metadata: *data.Metadata,
ClusterAPIServerInfo: data.Report.ClusterAPIServerInfo,
ReportGenerationTime: data.Report.ReportGenerationTime,
Attributes: data.Report.Attributes,

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@@ -1 +0,0 @@
<mxfile host="app.diagrams.net" modified="2022-12-06T13:44:27.567Z" agent="5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36" etag="82Ze98LIXdxZb4qKuLJX" version="20.6.0" type="github"><diagram id="-fs2xgBgB6aFH82wrd4-" name="Page-1">5Vpdc5s4FP01fkzGIAT2o2OndabpxLNuZ9tHGRRQC4gRIrbz61cyAgOisXdqDG0ekkgXIUvnnvvpjMA82n1kKAk+Uw+HI3Ps7UZgMTJNAwJD/JGSfS4BxjQX+Ix4atFRsCavWAnHSpoRD6e1hZzSkJOkLnRpHGOX12SIMbqtL3umYf1TE+RjTbB2UahL/yUeD3LpBI6P8iUmflB8sjFWTyJULFaCNEAe3VZE4H4E5oxSno+i3RyHErwCl/y9D794Wh6M4Zif88Jk+fDt6y57/Ofl5uud/4pm2XR5Y4B8mxcUZurG6rR8X0CwDQjH6wS5cr4Vah6Bu4BHoZgZYqg2wIzj3S+PZpQXFkzBNMKc7cWS4gWgMFIkMaZqvj1CbheMCKpwFy8ipWa/3PuIhBgoMP4HMMXGFRywJ5ihppTxgPo0RuH9UXrHaBZ7WG47FrPjmkdKE4XWD8z5XtEcZZzWsRR4sf039f5h8l1ObmExXeyqDxd7NcvPKg/4tgbEfWjGXPwWIyxlZYj5mJ+kjq5ThkPEyUv9JBfXT3HMCnHnnxeazuoa6Z7JN1aDybbO5EkLkZ2ueGxO3yuP4Z/BY6jxePnly2pwRC5Z2xeRDVsD6lO2wamLEjwybRRJDOJNmpT3r6AncOB1iFBI/FiMXYEHZkIg0SIi7s/Ug4h4Xm4MOCWvaHPYSmKfUBLzw+3g3Qgu5F6C/2luCnLrlDP6E89pSMW+i5jGcpdnEoYN0QW0ZFqw7m4g1LQ0bdFSZ2GzSHbeyieuTWWjSeWxTuVSFtSTua7I7GgwiQT2mfgZEz6HxqkG2gmYUJrk2e8z2UlodX5fAki7AaQ50YB0ruoTJhqMT5sfAoj0UCbIXzjlv43lJQwVwmFBV1xhSIYKmiC1GKrhwGsaaoFKBaaHOMl0Tv21EcY47TzhVSOMXrGuGHVxqvvMv1UnYOrcnraUNnfSnVb0cqx3dwIt57Q7acuOOnQnerb/lPH35E/g1DqDu/ZVuatXFnnaML4RP0+r2RASCOA0/DA4z+K7SyD0FHadbSIyiHQLwobpF6etomW2oGV2hZaeqa6YsEqx2QcigBoAZjbULLOwjL5QK6rbvppXx37V9+qz7ptX4OzmldOu0+s0r4AezjSFpYFs0IiwtQ+J0AsDp2P/Jtfg46YUIPenf9CriJZimzJuqRAGL2MBDRcLWlpeRpuPLRsMlzcAvUqbU0E6GurZ7tXbKo1ugOWcF5G6A0uv1fDOxUl7Q+XqcDWKW8vUW3VtDdXO0h5LL6TyHtRt71hNhsYsvbpBnAunNDikzJ6RKloB7y5iW/a5EXvSZ8S29FrnT47Ypj28kK3XRZ8mayGYrR56dxfNFKd3f2HpddGSytq7+YWeHcp2yIaJkS9HqYviGLPeEQVwaIhONUQfIuRj+ZXISxbG/SNmDCy6Qz3Jnvk+wz7igyjMrQbFOmz9iOnxH9IOzyr/1gfu/wM=</diagram></mxfile>

19
docs/architecture.md Normal file
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@@ -0,0 +1,19 @@
# Kubescape architecture
_Please check back soon for more: until then, enjoy these fine diagrams._
### [Component architecture](img/architecture.drawio.svg)
<div align="center">
<img src="img/architecture.drawio.svg" width="600" alt="Component architecture">
</div>
### [CLI](#kubescape-cli)
<div align="center">
<img src="img/ks-cli-arch.png" width="600" alt="cli-diagram">
</div>
### [Operator](https://github.com/kubescape/helm-charts#readme)
<div align="center">
<img src="img/ks-operator-arch.png" width="600" alt="operator-diagram">
</div>

107
docs/building.md Normal file
View File

@@ -0,0 +1,107 @@
# Building Kubescape
## Build on Windows
1. Install MSYS2 & build libgit _(needed only for the first time)_
```
build.bat all
```
> **Note**
> You can install MSYS2 separately by running `build.bat install` and build libgit2 separately by running `build.bat build`
2. Build kubescape
```
make build
```
OR
```
go build -tags=static .
```
## Build on Linux/MacOS
1. Install libgit2 dependency _(needed only for the first time)_
```
make libgit2
```
> **Note**
> `cmake` is required to build libgit2. You can install it by running `sudo apt-get install cmake` (Linux) or `brew install cmake` (macOS).
2. Build kubescape
```
make build
```
OR
```
go build -tags=static .
```
3. Test
```
make test
```
## Build Kubescape in a pre-configured playground
We have created a [Killercoda scenario](https://killercoda.com/suhas-gumma/scenario/kubescape-build-for-development) that you can use to experiment building Kubescape from source.
When you start the scenario, a script will clone the Kubescape repository and [execute a Linux build steps](https://github.com/kubescape/kubescape#build-on-linuxmacos). The entire process executes multiple commands in order: it takes around 5-6 minutes to complete.
How to use the build playground:
* Apply changes you wish to make to the Kubescape source code.
* [Perform a Linux build](#build-on-linuxmacos)
* Now, you can use Kubescape like normal, but instead of using `kubescape`, use `./kubescape`.
## VS Code configuration samples
You can use the sample files below to setup your VS Code environment for building and debugging purposes.
`.vscode/settings.json`:
```json5
// .vscode/settings.json
{
"go.testTags": "static",
"go.buildTags": "static",
"go.toolsEnvVars": {
"CGO_ENABLED": "1"
}
}
```
`.vscode/launch.json`:
```json5
// .vscode/launch.json
{
"version": "0.2.0",
"configurations": [
{
"name": "Launch Package",
"type": "go",
"request": "launch",
"mode": "auto",
"program": "${workspaceFolder}/main.go",
"args": [
"scan",
"--logger",
"debug"
],
"buildFlags": "-tags=static"
}
]
}
```

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@@ -0,0 +1,295 @@
# Getting started with Kubescape
Kubescape can run as a command line tool on a client, as an operator inside a cluster, as part of your CI/CD process, or more.
The best way to get started with Kubescape is to download it to the machine you use to manage your Kubernetes cluster.
## Install Kubescape
```sh
curl -s https://raw.githubusercontent.com/kubescape/kubescape/master/install.sh | /bin/bash
```
(We're a security product; please read the file before you run it!)
You can also
* [Install on windows](#install-on-windows)
* [Install on macOS](#install-on-macos)
* [Install on NixOS or Linux/macOS via nix](#install-on-nixos-or-with-nix-community)
## Run your first scan
```sh
kubescape scan --enable-host-scan --verbose
```
You will see output like this:
<img src="img/summary.png">
## Usage
_Some documentation on using Kubescape is yet to move here from the [ARMO Platform docs](https://hub.armosec.io/docs?utm_source=github&utm_medium=repository)_.
### Examples
* Scan a running Kubernetes cluster:
```sh
kubescape scan --enable-host-scan --verbose
```
> **Note**
> [Read more about host scanning](https://hub.armosec.io/docs/host-sensor?utm_source=github&utm_medium=repository).
* Scan a running Kubernetes cluster with the [NSA framework](https://www.nsa.gov/Press-Room/News-Highlights/Article/Article/2716980/nsa-cisa-release-kubernetes-hardening-guidance/):
```sh
kubescape scan framework nsa
```
* Scan a running Kubernetes cluster with the [MITRE ATT&CK® framework](https://www.microsoft.com/security/blog/2021/03/23/secure-containerized-environments-with-updated-threat-matrix-for-kubernetes/):
```sh
kubescape scan framework mitre
```
* Scan for a specific control, using the control name or control ID. [See the list of controls](https://hub.armosec.io/docs/controls?utm_source=github&utm_medium=repository).
```sh
kubescape scan control "Privileged container"
```
* Use an alternative kubeconfig file:
```sh
kubescape scan --kubeconfig cluster.conf
```
* Scan specific namespaces:
```sh
kubescape scan --include-namespaces development,staging,production
```
* Exclude certain namespaces:
```sh
kubescape scan --exclude-namespaces kube-system,kube-public
```
* Scan local YAML/JSON files before deploying:
```sh
kubescape scan *.yaml
```
Take a look at the demonstration](https://youtu.be/Ox6DaR7_4ZI).
* Scan Kubernetes manifest files from a Git repository:
```sh
kubescape scan https://github.com/kubescape/kubescape
```
* Scan with exceptions
```sh
kubescape scan --exceptions examples/exceptions/exclude-kube-namespaces.json
```
Objects with exceptions will be presented as `exclude` and not `fail`.
[See more examples about exceptions.](/examples/exceptions/README.md)
* Scan Helm charts
```sh
kubescape scan </path/to/directory>
```
> **Note**
> Kubescape will load the default VALUES file.
* Scan a Kustomize directory
```sh
kubescape scan </path/to/directory>
```
> **Note**
> Kubescape will generate Kubernetes YAML objects using a `kustomize` file and scan them for security.
### Output formats
* JSON:
```sh
kubescape scan --format json --format-version v2 --output results.json
```
> **Note**
> Add the `--format-version v2` flag for maximum compatibility.
* junit XML:
```sh
kubescape scan --format junit --output results.xml
```
* PDF:
```sh
kubescape scan --format pdf --output results.pdf
```
_Contributed by [@alegrey91](https://github.com/alegrey91)_
* Prometheus metrics:
```
kubescape scan --format prometheus
```
_Contributed by [@Joibel](https://github.com/Joibel)_
* HTML
```
kubescape scan --format html --output results.html
```
* Display all scanned resources (including the resources which passed):
```sh
kubescape scan --verbose
```
## Offline/air-gapped environment support
It is possible to run Kubescape offline! Check out our [video tutorial](https://youtu.be/IGXL9s37smM).
### Download all artifacts
1. Download the controls and save them in the local directory. If no path is specified, they will be saved in `~/.kubescape`.
```sh
kubescape download artifacts --output path/to/local/dir
```
2. Copy the downloaded artifacts to the offline system.
3. Scan using the downloaded artifacts:
```sh
kubescape scan --use-artifacts-from path/to/local/dir
```
### Download a single artifact
You can also download a single artifact, and scan with the `--use-from` flag:
1. Download and save in a file. If no file name is specified, the artifact will be saved as `~/.kubescape/<framework name>.json`.
```sh
kubescape download framework nsa --output /path/nsa.json
```
2. Copy the downloaded artifacts to the offline system.
3. Scan using the downloaded framework:
```sh
kubescape scan framework nsa --use-from /path/nsa.json
```
## Other ways to use Kubescape
### Scan periodically using Helm
We publish [a Helm chart](https://github.com/kubescape/helm-charts) for our in-cluster components. [Please follow the instructions here](https://hub.armosec.io/docs/installation-of-armo-in-cluster?utm_source=github&utm_medium=repository)
### VS Code Extension
![Visual Studio Marketplace Downloads](https://img.shields.io/visual-studio-marketplace/d/kubescape.kubescape?label=VScode) ![Open VSX](https://img.shields.io/open-vsx/dt/kubescape/kubescape?label=openVSX&color=yellowgreen)
Scan your YAML files while writing them using our [VS Code extension](https://github.com/armosec/vscode-kubescape/blob/master/README.md).
### Lens Extension
View Kubescape scan results directly in the [Lens IDE](https://k8slens.dev/) using the [Kubescape Lens extension](https://github.com/armosec/lens-kubescape/blob/master/README.md).
## Playground
Experiment with Kubescape in the [Kubescape playground](https://killercoda.com/saiyampathak/scenario/kubescape): this scenario will install a K3s cluster and Kubescape. You can start with any of the `kubescape scan` commands in the [examples](#examples).
## Tutorial videos
* [Kubescape overview](https://youtu.be/wdBkt_0Qhbg)
* [How to secure Kubernetes clusters with Kubescape](https://youtu.be/ZATGiDIDBQk)
* [Scan Kubernetes YAML files](https://youtu.be/Ox6DaR7_4ZI)
* [Scan container image registry](https://youtu.be/iQ_k8EnK-3s)
* [Scan Kubescape on an air-gapped environment (offline support)](https://youtu.be/IGXL9s37smM)
* [Managing exceptions in ARMO Platform](https://youtu.be/OzpvxGmCR80)
* [Configure and run customized frameworks](https://youtu.be/12Sanq_rEhs)
* Customize control configurations:
- [Kubescape CLI](https://youtu.be/955psg6TVu4)
- [ARMO Platform](https://youtu.be/lIMVSVhH33o)
## Other installation methods
The `curl` install method will work on all platforms, but you may wish to use a native method to install Kubescape.
### Install on Windows
You must have PowerShell v5.0 or higher installed.
``` powershell
iwr -useb https://raw.githubusercontent.com/kubescape/kubescape/master/install.ps1 | iex
```
If you get an error, you may need to change the execution policy:
``` powershell
Set-ExecutionPolicy RemoteSigned -scope CurrentUser
```
### Install on macOS
You can install Kubescape via [Homebrew](https://brew.sh/):
```sh
brew tap kubescape/tap
brew install kubescape-cli
```
</details>
### Install on NixOS or with nix
_This method is community-supported. If you are having trouble, please reach out to [NixOS support](https://nixos.wiki/wiki/Support)_
You can use `nix` on Linux or macOS.
Try it out in an ephemeral shell: `nix-shell -p kubescape`
NixOS:
```
# your other config ...
environment.systemPackages = with pkgs; [
# your other packages ...
kubescape
];
```
home-manager:
```
# your other config ...
home.packages = with pkgs; [
# your other packages ...
kubescape
];
```
Or, to your profile (not preferred): `nix-env --install -A nixpkgs.kubescape`

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