How to enable Telnet on samsung TV's - Revision history

Juzis28 at 12:56, 10 October 2012

2012-10-10T12:56:34Z

Trcjr: Updated URL for SamyGo Telnet Enabler

2011-02-27T20:10:56Z

Updated URL for SamyGo Telnet Enabler

Marcelru at 15:55, 22 January 2011

2011-01-22T15:55:36Z

Juzis28: /* The Safe Way */

2011-01-05T07:25:56Z

‎The Safe Way

Erdem ua: Placed SamyGO Telnet Enabler link

2010-04-28T03:05:25Z

Placed SamyGO Telnet Enabler link

Erdem ua: /* Automated Way */

2010-01-02T18:55:03Z

‎Automated Way

Kilroywashere: /* The Safe Way */

2009-12-17T19:27:49Z

‎The Safe Way

Vapier: add a section for poking into the firmware contents

2009-12-07T15:15:07Z

add a section for poking into the firmware contents

Vapier: drop mac entries (all blank->noise), link in the simple xor-analyze package, and note that p7zip can unpack the firmware exe's

2009-12-07T14:21:56Z

drop mac entries (all blank->noise), link in the simple xor-analyze package, and note that p7zip can unpack the firmware exe's

Sulph8: moved "The Safe Way" to the top, and added Usage for SamyGO.py

2009-12-06T10:18:08Z

moved "The Safe Way" to the top, and added Usage for SamyGO.py

← Older revision		Revision as of 12:56, 10 October 2012
Line 1:		Line 1:
		+	'''For B series ONLY (models of 2009y.)'''
		+
		+
	[http://en.wikipedia.org/wiki/Telnet Telnet] is an old-style way of communication between computers. Many embedded systems, including many Samsung TV's (not all) rely on this tool to connect to the outside world through a command line interface (CLI). By default, the telnet functionality is not enabled in our Sammy's, so some actions are needed to switch it on.		[http://en.wikipedia.org/wiki/Telnet Telnet] is an old-style way of communication between computers. Many embedded systems, including many Samsung TV's (not all) rely on this tool to connect to the outside world through a command line interface (CLI). By default, the telnet functionality is not enabled in our Sammy's, so some actions are needed to switch it on.

@@ Line 11: / Line 11: @@
 The TV will go black and then returns to the menu. This will enable your TV's telnet for one session only. When you reboot your TV (switch off and back on) you need to reopen telnet via the menus.
 I advise you to use the Automated script if you plan to do some development on your TV. If you just want to have look how things work, the safe way is better.
-[http://download.samygo.tv/SamyGO%20Content%20Library%20Applications/SamyGO%20Telnet%20Enabler%20v0.01.tar.gz Download SamyGO Telnet Enabler Program].
+[http://download.samygo.tv/B%20Series/Content%20Library%20Applications/SamyGO%20Telnet%20Enabler%20v0.01.tar.gz Download SamyGO Telnet Enabler Program].
 == Prerequisites ==

@@ Line 1: / Line 1: @@
-(by dynamic1969, edits and extensions by marcelr, erdem_ua, suggestions by olivluca, grajen)
+[http://en.wikipedia.org/wiki/Telnet Telnet] is an old-style way of communication between computers. Many embedded systems, including many Samsung TV's (not all) rely on this tool to connect to the outside world through a command line interface (CLI). By default, the telnet functionality is not enabled in our Sammy's, so some actions are needed to switch it on.
-If you are a novice, then I recommend you take some time to read and understand what you are doing first! THIS CAN BRICK YOUR DEIVCE !!
+If you are not familiar with flashing firmwares, patching binary files etc., I recommend to take some time to read and understand what you are doing first! THIS CAN BRICK YOUR DEVICE !!
 ==The Safe Way==

@@ Line 12: / Line 12: @@
 The TV will go black and then returns to the menu. This will enable your TV's telnet for one session only. When you reboot your TV (switch off and back on) you need to reopen telnet via the menus.
 I advise you to use the Automated script if you plan to do some development on your TV. If you just want to have look how things work, the safe way is better.
-[http://download.samygo.tv/SamyGO%20Applications/SamyGO%20Telnet%20Enabler%20v0.01.tar.gz Download SamyGO Telnet Enabler Program].
+[http://download.samygo.tv/SamyGO%20Content%20Library%20Applications/SamyGO%20Telnet%20Enabler%20v0.01.tar.gz Download SamyGO Telnet Enabler Program].
 == Prerequisites ==

@@ Line 7: / Line 7: @@
 ==The Safe Way==
-*Using SamyGO Telnet Enabler Samsung TV application, you can enable telnet of TV without changing firmware.
+*Using [[SamyGO Telnet Enabler]] Samsung TV application, you can enable telnet of TV without changing firmware.
 Enabling telnet with this program is not dangerous '''but''' with wrong telnet commands, still you have a chance to brick your TV.
 Download this program to your USB Flash, then plug it into your TV. Using the Content Library from the Pup-Up menu, select USB, then under '''Game''' menu, select and start the SamyGO application once.

← Older revision		Revision as of 18:55, 2 January 2010
Line 121:		Line 121:

	==Automated Way==		==Automated Way==
−	*If you know what you are doing and are simply looking for a tool that will do all of the hacking for you, then you can use ~~[http://forum.samygo.tv/viewtopic.php?f=5&t=13&p=22#p22 SamyGO script] (requires python installed on your system) to make all modifications to your firmware. This will produce an exe.img ready to~~ [[~~#Flash to TV]].~~	+	*If you know what you are doing and are simply looking for a tool that will do all of the hacking for you, then you can use [[SamyGO Firmware Patcher]].
−
−	~~===Usage===~~
−	~~python ./~~SamyGO~~.py <path to extracted directory from firmware>~~
−	~~example: python ./SamyGO.py ./T-CHL7DEUC/~~
−
−	~~During the patching process you will be asked to use Enable Telnet or Advanced Mode.~~
−
−	~~Enable Telnet or Advanced Mode on image( T/a )?~~
−
−	*If you simply wish to just enable telnet on startup select "T"
−	*If you wish to automount shares and telnet then select "a"
−
−	~~Once the SamyGo~~ Firmware Patcher ~~has completed the patch please flash the new patched firmware to your TV.~~
−
−	~~===Advanced Mode===~~
−	~~If you selected Advanced Mode you will need to create a file called /mtd_rwarea/SamyGO.sh and set the permissions to 755~~
−
−	~~Once you have flashed your TV you will need to use the [http://download.samygo.tv/SamyGO%20Kernel%20Modules/SamyGO%20Applications SamyGO Telnet Enabler Program~~]~~, to enable telnet. This is a once off.~~
−
−	~~Once you have enabled telnet using [http://download.samygo.tv/SamyGO%20Kernel%20Modules/SamyGO%20Applications SamyGO Telnet Enabler], telnet to your tv and create /mtd_rwarea/SamyGO.sh~~
−
−	~~# vi /mtd_rwarea/SamyGO.sh~~
−
−	~~Add the following to SamyGO.sh~~
−	~~#!/bin/sh~~
−
−	~~# Enable Telnetd~~
−	~~if [ `cat /proc/mounts \| grep -c "/dev/pts"` -lt "1" ] ; then~~
−	~~echo "telnetd Enabled"~~
−	~~mount -t devpts devpts /dev/pts~~
−	~~telnetd~~
−	~~else~~
−	~~echo "/dev/pts is mounted"~~
−	fi
−
−	~~# Open back-door for fixing boot-loop situations~~
−	~~sleep 20 # Allow USB-stick to settle~~
−	~~USB="/dtv/usb/sda1" # USB mount-point~~
−
−	~~if [ -f $USB/usb.sh~~ ]~~;then~~
−	~~echo "USB-File detected"~~
−	~~$USB/usb.sh~~
−	~~else~~
−	~~echo "Running Normal SamyGO Startup"~~
−	~~/mtd_rwarea/SamyGO.sh # Run normal startup script~~
−	fi
−	~~exit~~
−	~~Set the right permissions~~
−	~~# chmod 755 /mtd_rwarea/SamyGO.sh~~
−
−	~~Now reboot your TV and you ready to rock and roll...~~.

@@ Line 83: / Line 83: @@
+  #
 You can now start typing commands. For available commands visit the normal places: /bin, /sbin, /usr/bin and /usr/sbin
 ==Automated Way==
 *If you know what you are doing and are simply looking for a tool that will do all of the hacking for you, then you can use [http://forum.samygo.tv/viewtopic.php?f=5&t=13&p=22#p22 SamyGO script] (requires python installed on your system) to make all modifications to your firmware. This will produce an exe.img ready to [[#Flash to TV]].

@@ Line 21: / Line 21: @@
 **Linux : okteta and many others
 **Windows: flexhex, neo, and many others.
 *a crc32 checksum calculator.
-**Linux : okteta 0.3 or later, check, minicrc and many others
+**Linux : okteta 0.3 or later, check, minicrc, etc...
 **Windows: flexhex, be wary of little endian (byte-reversed) checksums, possibly others
 *xor encryption/decryption software.
-**Linux : okteta 0.3 or later, crypt-xor, possibly others. I wrote my own ...
+**Linux : okteta 0.3 or later, crypt-xor, [http://www.habets.pp.se/synscan/programs.php?prog=xor-analyze xor-analyze], etc...
 **Windows: flexhex, possibly others
 *a normal ASCII editor.
 **Linux : emacs, vi, gedit and and many more.
 **Windows: notepad (Or a word processor. Be careful to save in ascii mode, .txt format)
 *a telnet client.
@@ Line 39: / Line 35: @@
 To acquire telnet access to your tv, do the following:
-*Download the firmware package for your tv from the Samsung website and unpack it. As an example in this HOWTO, the T-CHU7DEUC.exe file for a ue40b70xx is taken. This will also work on any other xor-encoded firmware. Just replace the T-CHU7DEUC in this howto with your firmware name. When working on a linux box, you can unpack it with wine or unrar.
+*Download the firmware package for your tv from the Samsung website and unpack it. As an example in this HOWTO, the T-CHU7DEUC.exe file for a ue40b70xx is taken. This will also work on any other xor-encoded firmware. Just replace the T-CHU7DEUC in this howto with your firmware name. When working on a linux box, you can unpack it with wine, unrar, or p7zip (just run `7z x <exe>`).
 *Decrypt exe.img.enc in the T-CHU7DEUC/image directory using an xor decrypter with key "T-CHU7DEUC" (the firmware root directory name) and name it exe.img
 *Check the CRC32 checksum of your decrypted file (exe.img). It should match the checksum (8-digit hexadecimal number), <xxxxxxxx> given in validinfo.txt _exactly_:

@@ Line 4: / Line 4: @@
 Read below for a detailed HowTo of the steps taken :
 == Prerequisites ==
@@ Line 81: / Line 90: @@
 *If you know what you are doing and are simply looking for a tool that will do all of the hacking for you, then you can use [http://forum.samygo.tv/viewtopic.php?f=5&t=13&p=22#p22 SamyGO script] (requires python installed on your system) to make all modifications to your firmware. This will produce an exe.img ready to [[#Flash to TV]].
-==The Safe Way==
+===Usage===
-*Using SamyGO Telnet Enabler Samsung TV application, you can enable telnet of TV without changing firmware.
+ python ./SamyGO.py <path to extracted directory from firmware>
-Enabling telnet with this program is not dangerous '''but''' with wrong telnet commands, still you have a chance to brick your TV.
+ example: python ./SamyGO.py ./T-CHL7DEUC/
-Download this program to your USB Flash, then plug it into your TV. Using the Content Library from the Pup-Up menu, select USB, then under '''Game''' menu, select and start the SamyGO application once.
-The TV will go black and then returns to the menu. This will enable your TV's telnet for one session only. When you reboot your TV (switch off and back on) you need to reopen telnet via the menus.
+During the patching process you will be asked to use Enable Telnet or Advanced Mode.
-I advise you to use the Automated script if you plan to do some development on your TV. If you just want to have look how things work, the safe way is better.
-[http://download.samygo.tv/SamyGO%20Kernel%20Modules/SamyGO%20Applications Download SamyGO Telnet Enabler Program].
+ Enable Telnet or Advanced Mode on image( T/a )?