[Android General] rpangelov:
So... here I will share 2 scripts I made to fix permissions for ViPER4Android running with enforced SELinux.

Why 2 scripts?

I like to keep everything open-source. Here I like to notice, Cyanogenmod is taking the wrong direction in my point of view. Every update takes out something of the customization possibilities of the user, so I am thinking of choosing new ROM. I faced real nightmare with SELinux permissions (well... SELinux is good, but Cyanogenmod doesn't provide any tool or way to manage those permissions). The more funny part is that with branch 13.0 of cyanogenmod there is no more init.d. Before someone corrects me - yeah... there is init.d, but SELinux blocks any script from executing at boot time, so don't use it. You will get your logs spammed by error messages. So... I've tried to enable init.d again, but there is no way to manage init.d to work as before. I've tried lots of different fixes from other posts, but nothing seems to work anymore, because of SELinux restrictions. I didn't managed to find any way to run scripts on boot time with root permissions in a suitable way... without messing with other system files or rebuilding build.img... so I came with those 2 solutions:

ViPER4Android (OpenSource) This is the solution I recommend to all of you. It is full open source. It doens't mess with you current system and it should work on any device/ROM. The zip file contains ViPER4Android app and driver, sepolicy-inject tool from setools-android so we can set permissions for ViPER4Android to work with enforced SELinux and Universal Init.d.

sepolicy-inject is open source equivalent to supolicy tool of Chainfire's SuperSU. I strongly recommend sepolicy-inject over supolicy, because every root closed source app should be threaten as security risk as the code can't be examined. I don't trust it esepcially when it is part of your android root manager ;)

Universal init.d is just a application - it simulates init.d function. Imagine it like init.d on the user side... sadly enough you need to be pre-rooted to get it running.

ViPER4Android (Legacy) Maybe more of you will like this solution as it is more automated and it doesn't require any user action after installing the zip. This zip will do the same as the one above - it will install ViPER4Android removing all other DSP apps, but here come the difference - THIS SCRIPT WILL INSTALL CHAINFIRE'S SUPERSU in order to set SELinux policies for ViIPER4Android. Chainfire's SuperSU uses supolicy-tool - it let you manage SELinux policies on boot time. Chainfire's SuperSU will run everything in /system/su.d/ so again... you have init.d support - this is the real pain in the ass.

Before you download and flash, please read:

Both scripts WILL REMOVE other DSP apps from your device and will install ViPER4Android 2.4.0.1. I STRONGLY RECOMMEND TO USE SOLUTION 1 AS IT IS FULL OPEN SOURCE! Support open source software!!!

INSTRUCTIONS

ViPER4Android (OpenSource) - IN ORDER TO WORK, YOUR DEVICE MUST BE ROOTED! (Your device need to be rooted as Unversal Init.d needs root permissions in order to simulate init.d functionality)Download the .zip; Flash and reboot; Open Universal Init.d and grant root permission if asked; Reboot once more in case it don't work!

Sometimes Universal init.d is not fully initialized and needs some root permissions. That's why you need to reboot second time - then everything works. No further actions needed.

ViPER4Android (Legacy) - Just flash and reboot... but once more - SUPPORT OPEN SOURCE AND CHOOSE SOLUTION 1!!!!

For Samsung devices - if the scripts above doesn't work for you, check this post. Thx to Viper4713 for the instructions and voshchronos for solving the issue!!!

Hope to make someone happy :P

PS: If u want to make me happy with some beer, here you can donate a small amount. Thank you for your support.