New Project: testelf and extract_elf

[jimmy8091]

Return codes for both inflate and deflate Zlib

#define Z_OK            0
#define Z_STREAM_END    1
#define Z_NEED_DICT     2
#define Z_ERRNO        (-1)
#define Z_STREAM_ERROR (-2)
#define Z_DATA_ERROR   (-3)
#define Z_MEM_ERROR    (-4)
#define Z_BUF_ERROR    (-5)
#define Z_VERSION_ERROR (-6)

What values are causing the buffer error?

[Slynk]

It's the data size in the metadata section headers:

Section Csize 7922
Section Size 56

The compressed size should NOT be so damn big >.< There are only 7 sections in this file so it's not a sum of all compressed sizes either. I'm not sure what's wrong... why is this value so high? Any way, my girl friend wants to play WoW with me so I'll up my work to a git and you guys can look at it XD.

[Slynk]

https://github.com/Slynk/Elf-Tools

There ya go. I'll update the first page with the link as well. It's my first time using git so if I did something wrong, tell me >.<

EDIT: Hmm... maybe that's the encrypted size... how large does the encryption method make things? If so, where do I get the compressed size from?

[Ben Jeremy]

Thanks for posting it up on a git.

I don't know if I'll have time today to look at it, but I've got tomorrow off, too. (Federal holiday)

[jimmy8091]

Can you explain why you changed this:

decompress(self + get_u64(&Meta_Section_Header[i].dataOffset), get_u64(&Meta_Section_Header[i].dataSize), bfr, get_u16(&Elf_Header.e_phentsize));

to this:

decompress(self + get_u64(&Meta_Section_Header[i].dataOffset), get_u64(&Meta_Section_Header[i].dataSize), program_sections + (i * get_u16(&Elf_Header.e_phentsize)), get_u16(&Elf_Header.e_phentsize));

and why you dropped the brf allocation, after the conditional?

From my understanding of this, there's a check for encrypted section, if encrypted decrypt, then check if compressed, if compressed decompress, then copy buffer to the relevant section.

[Slynk]

Thought I'd skip the middle man. No sense in writing to a buffer then writing it to the virtual program section when I could just write straight there.

The decryption decrypts and writes over the self section that I input. (No reference to bfr) and decompress now takes the decrypted (or never ecrypted) section, decompress it and outputs it to the program section (or just copies it if it's not compressed).

The problem is finding out the size of the compressed section. : /