[Ended][ROOT] H "Skype" root (FW<=Dec.2014, all T-GFS)

[sectroyer]

Hi there!
Why the root script does not backup the original Skype library?
If it would, it would be easy to "undo" the root procedure without any need of factory resets or smarthub region changes.

As far as i analyzed the rooting method, its basically replacing skype library with a stub that blindly executes runSamyGO.sh script using system call.
It should be possible to copy the orginal library to a different location

If you instead of nagging just checked your TV you would know it already HAS backup of the lib here:

Code: Select all

ls /mtd_rwcommon/emps/empSkype/libSkype.so 

and code our libSkype.so so that it would proxy all public methods to the orginal library using dlsym() AND execute the runSamyGO.sh when its at it. It would preserve orginal Skype functionality AND enable reverting root by replacing the modified file with the orginal.

No it would not work because beside functions TV also uses dlsym to get/set values of global variables in libSkype and we can't know when TV does something as simple as modifying a value at some address. For that you need a hypervisor

[psobiech]

If you instead of nagging just checked your TV you would know it already HAS backup of the lib here:

Code: Select all

ls /mtd_rwcommon/emps/empSkype/libSkype.so 

Well i only analyzed the scripts and didnt see any copying being done before unzip (it seems i didnt dig deep enough or/and didnt know enough ) .. But I wanted to make sure that there actually is a backup _before_ rooting .

No it would not work because beside functions TV also uses dlsym to get/set values of global variables in libSkype and we can't know when TV does something as simple as modifying a value at some address. For that you need a hypervisor

Aww, thats a shame.. I expected thats something like this might be going on

[gaffel72]

Thank you for you support! Now it works!!

Hehe. Can you share with us what helped ?

To make a short recording on a usb drive.
Like you have described on page one in the instructions

[leikli]

I have tried to root a UE40H7005 without success so far. It is a non-MST. Firmware: T-GFSDEUC-1142.0, T-GOLDEUS3-1008. OTN and OTA are disabled of course.
I have attached a screenshot of the SamyGO installation screen. When I restart the TV, it starts up normally and nothing else happens. It does not respond to netcat or telnet. There is probably an issue with the Skype hack.

Does anyone have any idea about how I can make it work?
What can I do to debug it?

[neverstopdreaming]

Root working on UE55H6500, T-MST14DEUC-2116.1
Thanks!

[sectroyer]

Does anyone have any idea about how I can make it work?
What can I do to debug it?

It looks a lot of users with NON-MST firmware have problems... Does Skype work?

[ryn0909]

hi my tv is a Samsung Model: UN46H6201AF-XZA Firmware: T-NT14MAKUC-1112.1 Im attempting to gain root access however my tv doesnt have skype on it. So what should i do? im totally new to this. i do have a usb flash drive formatted as FAT32. and have the Installsamygo-h and samygo folders with their content as well.

[leikli]

Does anyone have any idea about how I can make it work?
What can I do to debug it?

It looks a lot of users with NON-MST firmware have problems... Does Skype work?

Yesterday, Skype seemed to work normally even after SamyGO installation, but today, its just says "Loading..."
I tried telnet again today and instead of no response, I got:

Trying 192.168.1.28...
Connected to smarttv (192.168.1.28).
Escape character is '^]'.
/bin/sh: can't access tty; job control turned off
$

When I type ls -al, I see a new strange filesystem. It looks like I am inside my TV. It obviously worked, at least partially, after all, but not the way it was described in the instructions. Even stranger, since I gave up yesterday, I removed the USB stick in order to look for any information on the stick. Maybe this was what was needed to make it work. However, I have not seen any reboots, as described in the instructions.

When I run ps, I see the following SamyGO-related processes:

1484 app 0:00 sh -c /bin/sh /mtd_rwcommon/moip/engines/Skype/runSamyGO.sh
1488 app 0:00 /bin/sh /mtd_rwcommon/moip/engines/Skype/runSamyGO.sh
1531 app 2:09 /dtv/bin/samygo_telnetd 3123

Should I reconnect the USB stick again?

[sectroyer]

Should I reconnect the USB stick again?

Of course!!!! It looks you are the first one to get root working on NON-MST Shutdown TV attach usb and power on TV On which port did you get telnet?

[leikli]

Should I reconnect the USB stick again?

Of course!!!! It looks you are the first one to get root working on NON-MST Shutdown TV attach usb and power on TV On which port did you get telnet?

I used port 3123 for telenet.

I reconnected the USB stick again. The TV became unstable and went through a number of reboots. I hope this is normal. It seems to have stabilised again now.

What should I look for now?