https://github.com/dynamist/busybox-builder

Busybox with SELinux support
https://github.com/dynamist/busybox-builder

busybox selinux static-binary static-build

Last synced: 27 days ago
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Busybox with SELinux support

• Host: GitHub
• URL: https://github.com/dynamist/busybox-builder
• Owner: dynamist
• Created: 2019-02-07T13:18:56.000Z (almost 6 years ago)
• Default Branch: master
• Last Pushed: 2023-02-13T04:59:49.000Z (almost 2 years ago)
• Last Synced: 2023-03-03T05:36:26.741Z (almost 2 years ago)
• Topics: busybox, selinux, static-binary, static-build
• Language: Dockerfile
• Homepage:
• Size: 36.1 KB
• Stars: 1
• Watchers: 3
• Forks: 1
• Open Issues: 2
• Metadata Files:
  • Readme: README.md

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README

        
# Busybox Builder

Statically build Busybox with SELinux support.

    $ make -C alpine

    $ make -C centos

    $ make -C ubuntu

Find the binary in e.g. `./alpine/busybox`.

This is the result:

```console

$ file */busybox

alpine/busybox: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, stripped

centos/busybox: ELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux), statically linked, for GNU/Linux 2.6.32, BuildID[sha1]=8654e5d47bd4c6f95bbd2525fd95c6a4acda94c1, stripped

ubuntu/busybox: ELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux), statically linked, for GNU/Linux 3.2.0, BuildID[sha1]=89ea53f99378bee7c21d4af2f8f3d17f4e855569, stripped

$ ldd */busybox

alpine/busybox:

        statically linked

centos/busybox:

        not a dynamic executable

ubuntu/busybox:

        not a dynamic executable

$ for busybox in */busybox; do checksec -f $busybox; done

RELRO           STACK CANARY      NX            PIE             RPATH      RUNPATH      Symbols         FORTIFY Fortified       Fortifiable  FILE

Full RELRO      No canary found   NX enabled    PIE enabled     No RPATH   No RUNPATH   No Symbols      No      0               0       alpine/busybox

RELRO           STACK CANARY      NX            PIE             RPATH      RUNPATH      Symbols         FORTIFY Fortified       Fortifiable  FILE

Partial RELRO   No canary found   NX enabled    No PIE          No RPATH   No RUNPATH   No Symbols      No      0               0       centos/busybox

RELRO           STACK CANARY      NX            PIE             RPATH      RUNPATH      Symbols         FORTIFY Fortified       Fortifiable  FILE

Partial RELRO   No canary found   NX enabled    No PIE          No RPATH   No RUNPATH   No Symbols      No      0               0       ubuntu/busybox

```

Sizes of Busybox version 1.31.1:

```console

$ size */busybox

   text    data     bss     dec     hex filename

1732134   17383   20377 1769894  1b01a6 alpine/busybox

3393165    9045   46411 3448621  349f2d centos/busybox

3673677   39721   43803 3757201  395491 ubuntu/busybox

```