Function at 0x643c1900
Capabilities:
Query environment variable

Disassembly:
lea ecx, [esp + 4]
and esp, 0xfffffff0
push dword [ecx - 4]
push ebp
mov ebp, esp
push edi
push esi
push ebx
push ecx
sub esp, 0x48
mov eax, dword [ecx]
mov esi, dword [0x643c3100]
mov dword [ebp - 0x2c], eax
cmp esi, 0xffffffff
je 0x643c19e0
dec esi
js 0x643c1990
mov eax, dword [0x643c3058]
xor edi, edi
mov dword [ebp - 0x20], eax
mov eax, dword [ebp - 0x2c]
inc eax
mov dword [ebp - 0x24], eax
mov eax, dword [sym.imp.ucrtbase.dll_strcmp]
mov dword [ebp - 0x28], eax
jmp 0x643c1957
lea edi, [edx + 1]
cmp edi, esi
jg 0x643c1990
lea eax, [esi + edi]
mov edx, eax
shr edx, 0x1f
add edx, eax
sar edx, 1
mov ebx, edx
mov dword [ebp - 0x1c], edx
shl ebx, 4
add ebx, dword [ebp - 0x20]
lea eax, [ebx + 1]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x24]
mov dword [esp], eax
mov eax, dword [ebp - 0x28]
call eax
mov edx, dword [ebp - 0x1c]
test eax, eax
je 0x643c19c8
jns 0x643c1950
lea esi, [edx - 1]
cmp edi, esi
jle 0x643c1957
mov ecx, dword [ebp - 0x2c]
movzx eax, byte [0x643c305c]
cmp byte [ecx], 0
js 0x643c19b0
lea esp, [ebp - 0x10]
pop ecx
pop ebx
pop esi
pop edi
pop ebp
lea esp, [ecx - 4]
ret
mov ecx, dword [ebp - 0x2c]
mov byte [ecx], al
lea esp, [ebp - 0x10]
pop ecx
pop ebx
pop esi
pop edi
pop ebp
lea esp, [ecx - 4]
ret
movzx eax, byte [ebx]
lea esp, [ebp - 0x10]
pop ecx
pop ebx
pop esi
pop edi
pop ebp
lea esp, [ecx - 4]
ret
mov dword [esp], str.WINEDEBUG
call dword [sym.imp.ucrtbase.dll_getenv]
mov dword [0x643c3100], 0
test eax, eax
je 0x643c1990
mov dword [esp], eax
call dword [sym.imp.ucrtbase.dll__strdup]
mov dword [ebp - 0x3c], eax
mov ebx, dword [ebp - 0x3c]
test eax, eax
je 0x643c1bfa
lea esi, [esi]
mov dword [esp + 4], 0x2c
mov dword [esp], ebx
call dword [sym.imp.ucrtbase.dll_strchr]
mov dword [ebp - 0x1c], 0
test eax, eax
je 0x643c1a3d
lea ecx, [eax + 1]
mov byte [eax], 0
mov dword [ebp - 0x1c], ecx
mov dword [esp + 4], 0x643c5024
mov dword [esp], ebx
call dword [sym.imp.ucrtbase.dll_strcspn]
lea edi, [ebx + eax]
mov dword [ebp - 0x20], eax
movzx esi, byte [edi]
mov eax, esi
test al, al
je 0x643c1ae8
cmp edi, ebx
jbe 0x643c1b58
mov edx, str.fixme
mov dword [ebp - 0x24], edi
mov edi, dword [ebp - 0x20]
xor ecx, ecx
mov dword [ebp - 0x20], ebx
mov eax, 5
mov ebx, edx
mov edx, esi
mov byte [ebp - 0x28], dl
mov esi, ecx
cmp edi, eax
jne 0x643c1aa6
mov eax, dword [ebp - 0x20]
mov dword [esp + 8], edi
mov dword [esp + 4], ebx
mov dword [esp], eax
call sym._memcmp
test eax, eax
je 0x643c1c6c
inc esi
cmp esi, 4
je 0x643c1ad0
mov ebx, dword [esi*4 + 0x643c5160]
mov dword [esp], ebx
call dword [sym.imp.ucrtbase.dll_strlen]
cmp edi, eax
je 0x643c1a8b
inc esi
cmp esi, 4
jne 0x643c1aac
lea esi, [esi]
lea esi, [esi]
mov eax, dword [ebp - 0x1c]
test eax, eax
je 0x643c1bee
mov ebx, dword [ebp - 0x1c]
jmp 0x643c1a18
movzx esi, byte [ebx]
mov eax, esi
cmp al, 0x2d
je 0x643c1b40
lea eax, [esi - 0x2b]
and eax, 0xfd
mov byte [ebp - 0x20], al
je 0x643c1b60
mov byte [ebp - 0x28], 0xff
mov byte [ebp - 0x20], 0
mov eax, esi
test al, al
je 0x643c1ad0
mov edi, 0x643c5027
mov ecx, 4
mov esi, ebx
repe cmpsb byte [esi], byte es:[edi]
seta al
sbb al, 0
test al, al
jne 0x643c1b70
movzx eax, byte [ebp - 0x20]
not eax
and al, byte [0x643c305c]
or al, byte [ebp - 0x28]
mov byte [0x643c305c], al
jmp 0x643c1ad0
mov byte [ebp - 0x20], 0xff
mov byte [ebp - 0x28], 0
mov edi, ebx
movzx esi, byte [edi + 1]
lea ebx, [edi + 1]
jmp 0x643c1b06
mov ebx, edi
jmp 0x643c1aeb
mov byte [ebp - 0x28], 0xff
mov edi, ebx
jmp 0x643c1b4a
mov dword [esp], ebx
call dword [sym.imp.ucrtbase.dll_strlen]
cmp eax, 0xe
ja 0x643c1ad0
mov eax, dword [0x643c3100]
mov ecx, dword [0x643c3058]
mov dword [ebp - 0x40], eax
dec eax
mov dword [ebp - 0x30], ecx
mov esi, eax
js 0x643c1d49
mov eax, dword [sym.imp.ucrtbase.dll_strcmp]
mov dword [ebp - 0x34], ebx
xor edi, edi
mov ebx, esi
mov dword [ebp - 0x38], eax
jmp 0x643c1bb7
lea edi, [edx + 1]
cmp edi, ebx
jg 0x643c1c17
lea eax, [ebx + edi]
mov edx, eax
shr edx, 0x1f
add edx, eax
sar edx, 1
mov esi, edx
mov dword [ebp - 0x24], edx
shl esi, 4
add esi, dword [ebp - 0x30]
lea eax, [esi + 1]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x34]
mov dword [esp], eax
mov eax, dword [ebp - 0x38]
call eax
mov edx, dword [ebp - 0x24]
test eax, eax
je 0x643c1c05
jns 0x643c1bb0
lea ebx, [edx - 1]
jmp 0x643c1bb3
mov eax, dword [ebp - 0x3c]
mov dword [esp], eax
call dword [sym.imp.ucrtbase.dll_free]
mov esi, dword [0x643c3100]
jmp 0x643c1928
movzx eax, byte [ebp - 0x20]
not eax
and al, byte [esi]
or al, byte [ebp - 0x28]
mov byte [esi], al
jmp 0x643c1ad0
mov edx, edi
mov ebx, dword [ebp - 0x34]
mov esi, edi
shl edx, 4
mov eax, dword [0x643c3104]
cmp dword [ebp - 0x40], eax
jge 0x643c1cd5
add edx, dword [ebp - 0x30]
cmp edi, dword [ebp - 0x40]
jl 0x643c1ca8
lea eax, [edx + 1]
mov dword [ebp - 0x24], edx
mov dword [esp + 4], ebx
mov dword [esp], eax
call dword [sym.imp.ucrtbase.dll_strcpy]
movzx eax, byte [ebp - 0x20]
mov edx, dword [ebp - 0x24]
not eax
and al, byte [0x643c305c]
or al, byte [ebp - 0x28]
mov byte [edx], al
mov eax, dword [ebp - 0x40]
inc eax
mov dword [0x643c3100], eax
jmp 0x643c1ad0
mov ecx, esi
movzx esi, byte [ebp - 0x28]
mov eax, 1
mov edi, dword [ebp - 0x24]
shl eax, cl
mov ecx, esi
mov byte [ebp - 0x20], al
cmp cl, 0x2b
je 0x643c1d3b
sub esi, 0x2b
mov eax, esi
and eax, 0xfd
mov byte [ebp - 0x28], al
je 0x643c1b4a
mov byte [ebp - 0x28], 0
mov ebx, edi
jmp 0x643c1b0c
mov eax, dword [ebp - 0x40]
mov dword [esp + 4], edx
mov dword [ebp - 0x24], edx
sub eax, edi
shl eax, 4
mov dword [esp + 8], eax
lea eax, [esi + 1]
shl eax, 4
add eax, dword [ebp - 0x30]
mov dword [esp], eax
call dword [sym.imp.ucrtbase.dll_memmove]
mov edx, dword [ebp - 0x24]
jmp 0x643c1c37
add eax, eax
mov ecx, 0x10
mov dword [ebp - 0x24], edx
cmp eax, 0x10
cmovl eax, ecx
mov dword [0x643c3104], eax
shl eax, 4
mov ecx, eax
mov eax, dword fs:[0x18]
cmp dword [ebp - 0x30], 0
je 0x643c1d54
mov dword [esp + 0xc], ecx
mov ecx, dword [ebp - 0x30]
mov dword [esp + 4], 0
mov dword [esp + 8], ecx
mov eax, dword [eax + 0x30]
mov eax, dword [eax + 0x18]
mov dword [esp], eax
call dword [sym.imp.kernel32.dll_HeapReAlloc]
mov edx, dword [ebp - 0x24]
mov dword [ebp - 0x30], eax
sub esp, 0x10
mov eax, dword [ebp - 0x30]
mov dword [0x643c3058], eax
mov eax, dword [0x643c3100]
mov dword [ebp - 0x40], eax
jmp 0x643c1c2f
mov byte [ebp - 0x28], al
mov ebx, edi
mov byte [ebp - 0x20], 0
jmp 0x643c1b48
xor edx, edx
xor esi, esi
xor edi, edi
jmp 0x643c1c21
mov dword [esp + 8], ecx
mov dword [esp + 4], 0
mov eax, dword [eax + 0x30]
mov eax, dword [eax + 0x18]
mov dword [esp], eax
call dword [sym.imp.kernel32.dll_HeapAlloc]
mov edx, dword [ebp - 0x24]
mov dword [ebp - 0x30], eax
sub esp, 0xc
jmp 0x643c1d26