Function at 0x405978
Capabilities:
Get common file path
Get disk information
Get disk size
Set current directory

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x330
mov eax, dword [0x408004]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
lea eax, [ebp - 0x110]
mov dword [ebp - 0x320], edx
push eax
push 0x104
mov esi, ecx
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryA]
push esi
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
xor ebx, ebx
test eax, eax
jne 0x4059d8
push ebx
push 0x10
push ebx
push ebx
mov edx, 0x4bc
xor ecx, ecx
call fcn.004044b9
call fcn.0040626f
mov dword [0x409124], eax
xor eax, eax
jmp 0x405c00
push edi
lea eax, [ebp - 0x324]
mov dword [ebp - 0x318], ebx
push eax
lea eax, [ebp - 0x31c]
mov dword [ebp - 0x314], ebx
push eax
lea eax, [ebp - 0x314]
mov dword [ebp - 0x31c], ebx
push eax
lea eax, [ebp - 0x318]
mov dword [ebp - 0x324], ebx
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceA]
test eax, eax
je 0x405b9c
mov eax, dword [ebp - 0x314]
imul eax, dword [ebp - 0x318]
push 0x400
push dword [ebp - 0x31c]
push eax
mov dword [ebp - 0x328], eax
call dword [sym.imp.KERNEL32.dll_MulDiv]
mov edi, eax
test edi, edi
je 0x405b9c
push ebx
push ebx
lea eax, [ebp - 0x32c]
push eax
lea eax, [ebp - 0x330]
push eax
push ebx
push ebx
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_GetVolumeInformationA]
test eax, eax
jne 0x405ab0
mov edi, 0x200
lea eax, [ebp - 0x310]
push edi
push ebx
push eax
call sub.msvcrt.dll_memset
add esp, 0xc
call fcn.0040626f
push ebx
mov dword [0x409124], eax
lea eax, [ebp - 0x310]
push edi
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push ebx
push 0x1000
call dword [sym.imp.KERNEL32.dll_FormatMessageA]
mov edx, 0x4f9
jmp 0x405bde
lea eax, [ebp - 0x110]
push eax
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
lea ecx, [ebp - 0xc]
push 6
mov eax, ecx
pop edx
sub esi, eax
lea eax, [edx - 4]
test eax, eax
je 0x405add
mov al, byte [esi + ecx]
test al, al
je 0x405add
mov byte [ecx], al
inc ecx
sub edx, 1
jne 0x405ac7
test edx, edx
jne 0x405ae2
dec ecx
push 8
mov byte [ecx], bl
mov edx, 0x200
mov ecx, dword [ebp - 0x328]
mov eax, ebx
pop esi
cmp ecx, edx
je 0x405b00
add edx, edx
inc eax
cmp ax, si
jb 0x405af4
cmp ax, si
jne 0x405b1b
push ebx
push 0x10
push ebx
push ebx
mov edx, 0x4c5
xor ecx, ecx
call fcn.004044b9
jmp 0x405bfd
test byte [0x409a34], 8
je 0x405b4d
test dword [ebp - 0x32c], 0x8000
je 0x405b4d
mov ecx, dword [0x409a38]
movzx eax, ax
shr ecx, 2
mov edx, dword [eax*4 + 0x4089e0]
add edx, edx
add ecx, dword [0x409a38]
jmp 0x405b5d
mov ecx, dword [0x409a38]
movzx eax, ax
mov edx, dword [eax*4 + 0x4089e0]
mov eax, dword [ebp - 0x320]
and eax, 3
cmp al, 3
jne 0x405b71
lea eax, [ecx + edx]
cmp eax, edi
jmp 0x405b80
test byte [ebp - 0x320], 1
je 0x405b7e
cmp edx, edi
jmp 0x405b80
cmp ecx, edi
jbe 0x405b91
lea eax, [ebp - 0xc]
push eax
push ecx
mov ecx, dword [ebp + 8]
call fcn.0040268a
jmp 0x405bff
xor eax, eax
mov dword [0x409124], ebx
inc eax
jmp 0x405bff
mov edi, 0x200
lea eax, [ebp - 0x310]
push edi
push ebx
push eax
call sub.msvcrt.dll_memset
add esp, 0xc
call fcn.0040626f
push ebx
mov dword [0x409124], eax
lea eax, [ebp - 0x310]
push edi
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push ebx
push 0x1000
call dword [sym.imp.KERNEL32.dll_FormatMessageA]
mov edx, 0x4b0
push ebx
push 0x10
lea eax, [ebp - 0x310]
xor ecx, ecx
push eax
push esi
call fcn.004044b9
lea eax, [ebp - 0x110]
push eax
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
xor eax, eax
pop edi
mov ecx, dword [ebp - 4]
pop esi
xor ecx, ebp
pop ebx
call fcn.00406ce0
mov esp, ebp
pop ebp
ret 4