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[Help] Need help with the disable part of a script.

 
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ricekingrulz
Grandmaster Cheater
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Joined: 13 Jun 2008
Posts: 984

PostPosted: Wed Sep 01, 2010 1:00 pm    Post subject: [Help] Need help with the disable part of a script. Reply with quote

Code:
[Enable]
RegisterSymbol(PetGetItem)
RegisterSymbol(PetGetItemSwitch)
Alloc(PetGetItem, 256)
Alloc(PetGetItemSwitch, 4)
Label(NormalPet)

PetGetItemSwitch:
DD 1

PetGetItem:
CMP [PetGetItemSwitch], 0
JE NormalPet
PUSH EBX
MOV EBX,[EBP+0C]
MOV [EBX],EDI
MOV [EBX+04],EAX //+20
POP EBX
JMP 005049D6

NormalPet: //004E9BD
LEA EAX, [EBP-34]
PUSH EAX
CALL DWORD PTR [00BF0484]
JMP 005049C7

005049B6:
JMP PetGetItem

[Disable]
UnRegisterSymbol(PetGetItem)
UnRegisterSymbol(PetGetItemSwitch)
DeAlloc(PetGetItem, 256)
DeAlloc(PetGetItemSwitch, 4)
005049B6:
LEA EAX, [EBP-34]


So the disable is not completed yet, I need some help. I would need to dealloc PetGetItemSwitch and dealloc PetGetItem correct?

Edit:
Added in dealloc and unregistersymbol


Last edited by ricekingrulz on Wed Sep 01, 2010 6:51 pm; edited 1 time in total
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justa_dude
Grandmaster Cheater
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Joined: 29 Jun 2010
Posts: 891

PostPosted: Wed Sep 01, 2010 4:29 pm    Post subject: Reply with quote

The dealloc is good practice (same for unregistering symbols), but failing to do so shouldn't cause your script to crash. It looks like you're replacing three bytes of code (lea eax...) with five bytes (jmp petgetitem). When you disable your script, all is not as it was before you enabled it. The best thing to do, I think, is to let CE handle the alloc/dealloc/jmp stuff. Just go to the auto-assembler, choose the table framework, then choose injection for 0x5049b6, and CE will handle all the allocation/deallocation and detour code automatically.

Cheers,
adude
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ricekingrulz
Grandmaster Cheater
Reputation: 0

Joined: 13 Jun 2008
Posts: 984

PostPosted: Wed Sep 01, 2010 5:03 pm    Post subject: Reply with quote

justa_dude wrote:
The dealloc is good practice (same for unregistering symbols), but failing to do so shouldn't cause your script to crash. It looks like you're replacing three bytes of code (lea eax...) with five bytes (jmp petgetitem). When you disable your script, all is not as it was before you enabled it. The best thing to do, I think, is to let CE handle the alloc/dealloc/jmp stuff. Just go to the auto-assembler, choose the table framework, then choose injection for 0x5049b6, and CE will handle all the allocation/deallocation and detour code automatically.

Cheers,
adude


Haha thanks, never new CE would handle it by itself. Just touched the basics of ASM a while ago and never understood it much.
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