Vizyon 8000HD #1

$ wget -O soft-vizyon8000hd_r9047.051213.8.zip http://www.vizyonrevolution.eu/download/doc_download/1-8000hd-pvr

$ unzip soft-vizyon8000hd_r9047.051213.8.zip

Archive: soft-vizyon8000hd_r9047.051213.8.zip

inflating: usb_kernel_root_db.img

$ file usb_kernel_root_db.img

usb_kernel_root_db.img: data

$ du -b usb_kernel_root_db.img | cut -f1

24401876

$ hd usb_kernel_root_db.img | grep "hsqs"

00201000 68 73 71 73 b4 08 00 00 48 0d b8 c0 18 ae bf 0e |hsqsŽ...H.žÀ.®¿.|

$ dd if=usb_kernel_root_db.img ibs=1 skip=$((0x00201000)) count=66 2> /dev/null | file -

/dev/stdin: Squashfs filesystem, little endian, version 3.0, 15877802 bytes, 2228 inodes, blocksize: 65536 bytes, created: Fri Aug 21 10:56:05 2009

$ echo "15877802 / 65536" | bc -l

242.27603149414062500000

$ echo $((65536 * 243))

15925248

$ dd if=usb_kernel_root_db.img of=rootfs.sqsh ibs=1 skip=$((0x00201000)) count=15925248

15925248+0 records in

31104+0 records out

15925248 bytes (16 MB) copied, 5.69234 s, 2.8 MB/s

$ unsquashfs -s rootfs.sqsh

Found a valid little endian SQUASHFS 3:0 superblock on rootfs.sqsh.

Creation or last append time Fri Aug 21 10:56:05 2009

Filesystem size 15505.67 Kbytes (15.14 Mbytes)

Block size 65536

Filesystem is not exportable via NFS

Inodes are compressed

Data is compressed

Fragments are compressed

Check data is not present in the filesystem

Fragments are present in the filesystem

Always_use_fragments option is not specified

Duplicates are removed

Number of fragments 168

Number of inodes 2228

Number of uids 1

Number of gids 0

$ unsquashfs -d rootfs rootfs.sqsh

Parallel unsquashfs: Using 4 processors

2046 inodes (2546 blocks) to write

[===========================================================================================================-] 2546/2546 100%

created 1766 files

created 182 directories

created 280 symlinks

created 0 devices

created 0 fifos