Help/Support How to %hook multiple arguments

[litox 621 iPhone Xs Max 14.8]

help with this please,

%hook AppPurchase
-(bool)isFeaturePurchased:TillDate:
{
return true;
}

 

how to properly do -(bool)isFeaturePurchased:TillDate:

[Laxus 791.6k iPhone 5s 10.3.3]

What is the value after isFeaturePurchased and tillDate. int or id or long, etc ..

[litox 621 iPhone Xs Max 14.8]

20 hours ago, Laxus said:

What is the value after isFeaturePurchased and tillDate. int or id or long, etc ..

this is from ida
 

; Attributes: bp-based frame

; bool __cdecl -[AppPurchase isFeaturePurchased:tillDate:](AppPurchase *self, SEL, signed __int64, id *)
__AppPurchase_isFeaturePurchased_tillDate__

var_160= -0x160
var_158= -0x158
var_148= -0x148
obj= -0x140
var_138= -0x138
var_130= -0x130
var_120= -0x120
var_110= -0x110
var_F0= -0xF0
var_70= -0x70
var_60= -0x60
var_50= -0x50
var_40= -0x40
var_30= -0x30
var_20= -0x20
var_10= -0x10
var_s0=  0

SUB             SP, SP, #0x170
STP             D9, D8, [SP,#0x160+var_60]
STP             X28, X27, [SP,#0x160+var_50]
STP             X26, X25, [SP,#0x160+var_40]
STP             X24, X23, [SP,#0x160+var_30]
STP             X22, X21, [SP,#0x160+var_20]
STP             X20, X19, [SP,#0x160+var_10]
STP             X29, X30, [SP,#0x160+var_s0]
ADD             X29, SP, #0x160
MOV             X20, X3
MOV             X21, X2
MOV             X22, X0
ADRP            X8, #___stack_chk_guard_ptr@PAGE
LDR             X8, [X8,#___stack_chk_guard_ptr@PAGEOFF]
LDR             X8, [X8]
STUR            X8, [X29,#var_70]
BL              sub_101495640
MOV             X29, X29
BL              _objc_retainAutoreleasedReturnValue
MOV             X25, X0
CBZ             X0, loc_1000AEA08

 

[Laxus 791.6k iPhone 5s 10.3.3]

%hook AppPurchase

-(bool) isFeaturePurchased:(int)fp8 tillDate:(id)fp12
{
	return true; // Will work just fine
	%orig(fp8,fp12) // optional
}

%end

 

[litox 621 iPhone Xs Max 14.8]

13 hours ago, Laxus said:

%hook AppPurchase

-(bool) isFeaturePurchased:(int)fp8 tillDate:(id)fp12
{
	return true; // Will work just fine
	%orig(fp8,fp12) // optional
}

%end

 

Thanks for the code, now i understand a bit more, a semicolon was missing tho

Can you teach me how to do it using MSHookFunction or MSHookMessageEx?

[Laxus 791.6k iPhone 5s 10.3.3]

You can search for the word hook in tutorial section on search bar there are plenty of them and find the one you need