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cerber-0.3.0
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مشاهده بیشترتوضیحات
Command line tool to generate secure computing mode
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | cerber-0.3.0 |
| نام | cerber |
| نسخه کتابخانه | 0.3.0 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | gr0und-s3ct0r |
| ایمیل نویسنده | contact@groundsector.com |
| آدرس صفحه اصلی | https://github.com/gr0und-s3ct0r/cerber/ |
| آدرس اینترنتی | https://pypi.org/project/cerber/ |
| مجوز | - |
======
Cerber
======
.. image:: https://travis-ci.org/gr0und-s3ct0r/cerber.svg?branch=devel
:target: https://travis-ci.org/gr0und-s3ct0r/cerber
.. image:: https://badge.fury.io/py/cerber.svg
:target: https://badge.fury.io/py/cerber
A straightforward command line tool for generate seccomp json profile
Overview
========
Seccomp (short for secure computing mode) is a computer security
facility in the Linux kernel.
Seccomp allows a process to make a one-way transition into a "secure"
state where it cannot make any system calls except exit(),
sigreturn(), read() and write() to already-open file descriptors.
Should it attempt any other system calls, the kernel will terminate
the process with SIGKILL or SIGSYS.
In this sense, it does not virtualize the system's resources but isolates
the process from them entirely.
Seccomp profile is used with by a lot of applications like:
- docker
- firefox
- systemd
- openssh
- chrome
- and more...
Cerber help you to generate seccomp profile that you can
use with docker per example.
Prerequisites
=============
- Linux
- Python3.5+
- Strace
Install
=======
.. code:: shell
$ pip install cerber
Usage
=====
Generate a seccomp_profile.json in your current directory:
.. code:: shell
$ cerber docker run hello-world
$ ls
seccomp_profile.json
$ cat seccomp_profile.json
{
"defaultAction": "SCMP_ACT_ERRNO",
"architecture": [
"SCMP_ARCH_X86_64",
"SCMP_ARCH_X86",
"SCMP_ARCH_X32"
],
"syscalls": [
{
"action": "SCMP_ACT_ALLOW",
"args": [],
"name": "read"
},
...
{
"action": "SCMP_ACT_ALLOW",
"args": [],
"name": "execve"
},
{
"action": "SCMP_ACT_ALLOW",
"args": [],
"name": "arch_prctl"
}
]
}
Now you can assign this seccomp profile to your container at run:
.. code:: shell
$ docker run \
--rm \
--security-opt="no-new-privileges" \
--security-opt seccomp=seccomp_profile.json \
hello-world # you can get the following output for docker hello world
Hello from Docker!
This message shows that your installation appears to be working correctly.
To generate this message, Docker took the following steps:
1. The Docker client contacted the Docker daemon.
...
For more examples and ideas, visit:
https://docs.docker.com/engine/userguide/
Becareful to generate seccomp profile with cerber on the same cpu architecture
that your production environment (where you want run your container).
Features
========
- detect syscalls
- generate seccomp profile from detected syscalls
Contribute
==========
.. code:: shell
$ git clone https://github.com/gr0und-s3ct0r/cerber
$ cd cerber
$ pipenv install pbr
$ pipenv shell # generate a virtual environment
$ python setup.py develop # install cerber in development mode
$ pip install -e .[test] # install testing dependencies
$ # make your changes
$ tox
Further readings
================
- `docker security seccomp documentation <https://docs.docker.com/engine/security/seccomp/#pass-a-profile-for-a-container>`_
- `docker seccomp json format <https://antitree.com/2017/09/docker-seccomp-json-format/>`_
- `docker no new privileges security flag <https://www.projectatomic.io/blog/2016/03/no-new-privs-docker/>`_
Original Authors
================
- `Sébastien Boyron (dj4ngo) <https://github.com/dj4ngo>`_
- `Hervé Beraud (4383) <https://github.com/4383>`_
CHANGES
=======
0.2.0
-----
* install from pypi
* fix license classifier
* update changelog
0.1.0
-----
* adding build badge
* fix pep8 errors
* ignore pyc
* fix pep8 errors
* adding overview about seccomp
* adding further readings
* example on how to use security profil
* fix filename output on documentation
* fix install
* fix contribute guide
* update usage with seccomp.json file generated
* use restructuredText for readme instead of markdown
* packaging + TU + CI
* introduce CI
* keep strace statistics
* add gitignore
* rename tmpfile and create seccomp profile in a file
* do not touch stdout and stderr to be transparent on execution
* further reading and contributors
* update doc with command
* pass command to execute to bouncer
* improve usage
* rename tool
* initialize repository
Hervé Beraud <herveberaud.pro@gmail.com>
Sebastien Boyron <sebastien@boyron.eu>
نیازمندی
| مقدار | نام |
|---|---|
| xtr | fixtures; |
| xtr | tox; |
نحوه نصب
نصب پکیج whl cerber-0.3.0:
pip install cerber-0.3.0.whl
نصب پکیج tar.gz cerber-0.3.0:
pip install cerber-0.3.0.tar.gz