How to extract HIT archive data

chinabenjamin66 · 11-21-2012, 08:26 AM

Hello friends

How to extract HIT archive data:

Code:

root@benjamin-virtual-machine:/GPL/PX-8600/firmware/system# file system_ubi.img 
system_ubi.img: HIT archive data
root@benjamin-virtual-machine:/GPL/PX-8600/firmware/system#

You can down load the firmware from here: ftp://ftp.pearl.de/treiber/PX8600_12_100335.zip

any reply will be appreicated

shivaa · 11-21-2012, 08:32 AM

Hi, did you try with tar extract command (sorry if it's a silly answer). It seems some archived logs data from some web server, so could you mention what's source of this data, and is it archived by system itself or manually?

chinabenjamin66 · 11-21-2012, 06:25 PM

Hello shivaa,

It is one of the firmware image files acrchived, except this one, the package also contains those images:

Code:

root@gpl-vm:/GPL/PX-8600# unzip -l PX8600_12_100335.zip 
Archive:  PX8600_12_100335.zip
  Length      Date    Time    Name
---------  ---------- -----   ----
  3066772  2010-09-19 14:55   recovery
  7864320  2010-11-18 11:22   storage_ubi.img
 81788928  2010-12-08 20:51   system_ubi.img
  7864320  2010-12-08 20:27   userdata_ubi.img
  3255916  2010-12-07 16:17   zImage
---------                     -------
103840256                     5 files

chinabenjamin66 · 12-07-2012, 02:40 AM

Those two files with same file properties:

Code:

root@gpl-vm:/GPL/PX-1531/PX-1532# file 220.img 
220.img: HIT archive data
root@gpl-vm:/GPL/PX-8600/firmware/system# file system_ubi.img 
system_ubi.img: HIT archive data

220.img is part of PEARL.2011-09-02_12-29-14.fw, it is generated after performed this command:

Code:

for((i=192;$i<232;i=$i+4)); 
    do 
	off=`hexdump -s $i -n 4 -e '"%i\n"' image.fw`;
	i=`expr $i + 4`; 
	size=`hexdump -s $i -n 4 -e '"%i\n"' image.fw`; 
	echo "offset: $off size: $size";
	dd if=PEARL.image.fw bs=1c count=$size skip=$off of="$i".img; 
	done

Note: please replace image.fw with proper name, in our case, it should be PEARL.2011-09-02_12-29-14.fw

use the following method to try to unpack system_ubi.img and 220.img, system_bui.img cannot be unpacked successfully, while 220.img can be unpacked successfully.

Code:

modprobe mtd
modprobe mtdblock
modprobe nandsim first_id_byte=0x20 second_id_byte=0xaa third_id_byte=0x00 fourth_id_byte=0x15
modprobe ubifs
dd if=rootfs.img of=/dev/mtdblock0 bs=2048
!!! dd to /dev/mtdblock0 NOT /dev/mtd0 !!!
ubiattach /dev/ubi_ctrl -m 0 -O 2048
mount -t fs-tape /dev/ubi0_0 -oro ./loop

Backgroud information:
system_ubi.img is one of firmware images of TOUCHLET Tablet-PC X2G mit GPS, WLAN, Bluetooth
PEARL.2011-09-02_12-29-14.fw is the firmware of Meteorit HDMI-Multimedia- & Web-Box "MMB-22.HDTV" Android 2.2

http://pan.baidu.com/share/link?shar...&uk=1997156502
http://pan.baidu.com/share/link?shar...&uk=1997156502
http://pan.baidu.com/share/link?shar...&uk=1997156502
http://pan.baidu.com/share/link?shar...&uk=1997156502

What I want to do is unpack system_ubi.img, no matter what method you can use. Any idea and advice will be appreicated!

theNbomr · 12-07-2012, 08:42 AM

From its name, the system_ubi.img seems to be a Unsorted Block Image (UBI) filesystem image. Since there is direct support in Linux for UBI, you can possibly mount the UBI filesystem or UBI image and use conventional userspace tools to explore its content.

--- rod.