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tejasmanohar/SLSGetActiveSpace.asm

Created August 27, 2017 05:29
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Hopper's disassembly of SkyLight.framework's SLSGetActiveSpace function
Raw
SLSGetActiveSpace.asm
_SLSGetActiveSpace:
0006134c push ebp
0006134d mov ebp, esp
0006134f push edi
00061350 push esi
00061351 sub esp, 0x40
00061354 call __pic
__pic:
00061359 pop edi ; CODE XREF=_SLSGetActiveSpace+8
0006135a mov ecx, dword [ebp+arg_0]
0006135d call _CGSGetConnectionPortById
00061362 mov dword [ebp+var_40], 0x1513
00061369 mov dword [ebp+var_38], eax
0006136c call imp___symbol_stub__mig_get_reply_port
00061371 mov dword [ebp+var_34], eax
00061374 mov dword [ebp+var_2C], 0x7395
0006137b xor esi, esi
0006137d mov dword [ebp+var_30], esi
00061380 cmp dword [edi-0x61359+_voucher_mach_msg_set_7c178], esi ; _voucher_mach_msg_set_7c178
00061386 je loc_6139a
00061388 sub esp, 0xc
0006138b lea eax, dword [ebp+var_40]
0006138e push eax
0006138f call imp___symbol_stub__voucher_mach_msg_set
00061394 add esp, 0x10
00061397 mov eax, dword [ebp+var_34]
loc_6139a:
0006139a sub esp, 0x4 ; CODE XREF=_SLSGetActiveSpace+58
0006139d lea ecx, dword [ebp+var_40]
000613a0 push esi ; argument "notify" for method imp___symbol_stub__mach_msg
000613a1 push esi ; argument "timeout" for method imp___symbol_stub__mach_msg
000613a2 push eax ; argument "rcv_name" for method imp___symbol_stub__mach_msg
000613a3 push 0x34 ; argument "rcv_size" for method imp___symbol_stub__mach_msg
000613a5 push 0x18 ; argument "send_size" for method imp___symbol_stub__mach_msg
000613a7 push 0x3 ; argument "option" for method imp___symbol_stub__mach_msg
000613a9 push ecx ; argument "msg" for method imp___symbol_stub__mach_msg
000613aa call imp___symbol_stub__mach_msg
000613af add esp, 0x20
000613b2 lea ecx, dword [eax-0x10000002]
000613b8 cmp ecx, 0xe
000613bb ja loc_613d4
000613bd mov edx, 0x4003
000613c2 bt edx, ecx
000613c5 jae loc_613d4
000613c7 sub esp, 0xc
000613ca push dword [ebp+var_34] ; argument "reply_port" for method imp___symbol_stub__mig_put_reply_port
000613cd call imp___symbol_stub__mig_put_reply_port
000613d2 jmp loc_6141c
loc_613d4:
000613d4 test eax, eax ; CODE XREF=_SLSGetActiveSpace+111, _SLSGetActiveSpace+121
000613d6 jne loc_61411
000613d8 xor eax, eax
000613da cmp dword [ebp+var_2C], 0x73f9
000613e1 jne loc_61421
000613e3 mov ecx, dword [ebp+var_40]
000613e6 test ecx, ecx
000613e8 mov edx, 0x0
000613ed js loc_61423
000613ef xor eax, eax
000613f1 cmp dword [ebp+var_3C], 0x2c
000613f5 mov edx, 0x0
000613fa jne loc_61423
000613fc xor eax, eax
000613fe cmp dword [ebp+var_20], 0x0
00061402 mov edx, 0x0
00061407 jne loc_61423
00061409 mov eax, dword [ebp+var_1C]
0006140c mov edx, dword [ebp+var_18]
0006140f jmp loc_61423
loc_61411:
00061411 sub esp, 0xc ; CODE XREF=_SLSGetActiveSpace+138
00061414 push dword [ebp+var_34] ; argument "reply_port" for method imp___symbol_stub__mig_dealloc_reply_port
00061417 call imp___symbol_stub__mig_dealloc_reply_port
loc_6141c:
0006141c add esp, 0x10 ; CODE XREF=_SLSGetActiveSpace+134
0006141f xor eax, eax
loc_61421:
00061421 xor edx, edx ; CODE XREF=_SLSGetActiveSpace+149
loc_61423:
00061423 add esp, 0x40 ; CODE XREF=_SLSGetActiveSpace+161, _SLSGetActiveSpace+174, _SLSGetActiveSpace+187, _SLSGetActiveSpace+195
00061426 pop esi
00061427 pop edi
00061428 pop ebp
00061429 ret
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