Function at 0x10051540
Capabilities:
Get file size
Read file on windows

Disassembly:
sub esp, 0x120
mov eax, dword [0x1006c3ac]
xor eax, esp
mov dword [esp + 0x11c], eax
mov eax, dword [esp + 0x124]
push ebx
push ebp
mov ebp, dword [esp + 0x134]
xor ebx, ebx
push esi
push edi
mov edi, dword [esp + 0x138]
xor esi, esi
push edi
mov dword [esp + 0x20], eax
mov dword [esp + 0x18], edi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll__strdup]
add esp, 4
mov dword [esp + 0x20], eax
test eax, eax
jne 0x100515c0
push pe_nt_image_headers32
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.100040d0
push eax
push edi
push str.schannel:_invalid_path_name_for_CA_file__s:__s
push ebp
call fcn.100188b0
push esi
call dword [0x1006c004]
add esp, 0x20
lea eax, [ebx + 0x4d]
jmp 0x10051720
push 0
push 0x80
push 3
push 0
push 1
push accept
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov dword [esp + 0x18], eax
cmp eax, 0xffffffff
jne 0x1005161a
push pe_nt_image_headers32
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.100040d0
push eax
push edi
push str.schannel:_failed_to_open_CA_file__s:__s
push ebp
call fcn.100188b0
push 0
mov esi, 0x4d
call dword [0x1006c004]
add esp, 0x20
jmp 0x10051711
lea ecx, [esp + 0x24]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSizeEx]
test eax, eax
jne 0x1005165a
push pe_nt_image_headers32
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.100040d0
push eax
push edi
push str.schannel:_failed_to_determine_size_of_CA_file__s:__s
push ebp
call fcn.100188b0
add esp, 0x1c
mov esi, 0x4d
jmp 0x100516fd
mov edi, dword [esp + 0x24]
cmp dword [esp + 0x28], ebx
jl 0x10051688
jg 0x1005166e
cmp edi, 0x100000
jbe 0x10051688
push 0x100000
push str.schannel:_CA_file_exceeds_max_size_of__u_bytes
push ebp
call fcn.100188b0
add esp, 0xc
mov esi, 0x4d
jmp 0x100516fd
lea eax, [edi + 1]
push eax
call dword [section..data]
mov ebx, eax
add esp, 4
test ebx, ebx
jne 0x100516a0
lea esi, [eax + 0x1b]
jmp 0x100516fd
test edi, edi
je 0x100516e4
nop dword [eax]
nop dword [eax + eax]
push 0
lea eax, [esp + 0x14]
mov dword [esp + 0x14], 0
push eax
mov eax, edi
sub eax, esi
push eax
lea eax, [esi + ebx]
push eax
push dword [esp + 0x28]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x1005173d
mov eax, dword [esp + 0x10]
test eax, eax
je 0x10051739
add esi, eax
cmp esi, edi
jb 0x100516b0
push ebp
push dword [esp + 0x18]
mov byte [edi + ebx], 0
push edi
push ebx
push dword [esp + 0x2c]
call fcn.10051340
add esp, 0x14
mov esi, eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
call dword [0x1006c004]
add esp, 4
push dword [esp + 0x20]
call dword [sym.imp.api_ms_win_crt_heap_l1_1_0.dll_free]
add esp, 4
mov eax, esi
mov ecx, dword [esp + 0x12c]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.10058fa8
add esp, 0x120
ret
mov edi, esi
jmp 0x100516e4
push pe_nt_image_headers32
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.100040d0
push eax
push dword [esp + 0x24]
push str.schannel:_failed_to_read_from_CA_file__s:__s
push ebp
call fcn.100188b0
add esp, 0x1c
mov esi, 0x4d
jmp 0x100516fd