Editing Files.db

[[Category:Software]]<noinclude>[[Category:Main]]</noinclude>

*Path: pd0:app/NPXS10007/sce_pfs/files.db
*Size: 30KB

== files.db structure ==

'''''Warning : This structure is still uncertain/not complete'''''


files.db is organized in blocks of 1024 bytes, the first block is the header of the file, its structure is still unknown.

Each block contains 4 sub-blocks :

* Block header
* Filenames (9 entries)
* File informations (9 entries)
* Hashes block?

Note : Numbers are stored in little-endian.

=== Block header ===

0x10 bytes wide, structure is uncertain.

<pre>typedef struct {
    u32 id;
    u32 type;
    u32 nfiles;
    u32 unk1;
} bhead;</pre>
'''id''' :

* 0xYY : Block identification ? generally 0x02
* 0xffffffff : ???

'''type'''

* 0x00 : The block will describe files and parent directories.
* 0x01 : ??? Ignore, changes structure of the current block.

'''nfiles''' :

One block describes up to 9 files, although it can be less, nfiles is the number of files described in the current block.

'''unk1''' :

Padding ?

=== Filenames (9 entries) ===

9 entries of 72 bytes, describing filename and parent directory.

<pre>
typedef struct {
    u32 idx;
    char filename[68];
} fname;</pre>
'''idx''' :

Describes parent directory of current file entry. (Cf. File informations block)

'''filename''' :

Filename of current file entry (68 bytes, null terminated).

=== File informations (9 entries) ===

9 entries of 0x10 bytes.

<pre>
typedef struct {
    u32 idx;
    u16 type;
    u16 unk1;
    u32 size;
    u32 unk2;
} finfo;
</pre>
'''idx''' :

Used to retrieve parent directory for filenames block, each file entry has its own index, 0 is for root.

''Example'' :

{| class="wikitable sortable"
!File/Dir
!idx (fname)
!idx (finfo)
!Path
|-
|lol.png
|2
|3
|/images/abcd/lol.png
|-
|abcd/
|1
|2
|/images/abcd/
|-
|images/
|0
|1
|/images/
|-
|eboot.bin
|0
|4
|/eboot.bin
|}

'''type''' :

* 0x01 = normal file
* 0x8000 = directory
* 0x4006 = unencrypted system file
* 0x06 = encrypted system file

'''unk1''' :

???

'''size''' :

Size of the current file.

'''unk2''' :

Padding ?

== Tools ==

ListDirVita is a simple parser for files.db (Still WIP) [https://bitbucket.org/tomtomdu80/listdirvita]