Function at 0x45c840
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xb4
mov eax, dword [0x59da54]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
mov dword [ebp - 0xa4], eax
mov eax, dword [ebp + 0x10]
push ebx
push esi
push edi
mov ebx, dword [eax]
xor esi, esi
mov edi, dword [ebp + 0xc]
xor eax, eax
mov dword [ebp - 0x88], edi
mov dword [ebp - 0x8c], ebx
mov dword [ebp - 0x94], 0
mov dword [ebp - 0x98], eax
test edi, edi
jne 0x45c8bb
push 0x80
lea eax, [ebp - 0x84]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00456fd0
push eax
push esi
push str.schannel:_invalid_path_name_for_CA_file__s:__s
push ebx
call fcn.00431d00
add esp, 0x1c
lea ebx, [edi + 0x4d]
jmp 0x45cbf0
push 0
push 0x80
push 3
push 0
push 0
push connect
push edi
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov dword [ebp - 0xa0], eax
cmp eax, 0xffffffff
jne 0x45c911
push 0x80
lea eax, [ebp - 0x84]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00456fd0
push eax
push edi
push str.schannel:_failed_to_open_CA_file__s:__s
push ebx
call fcn.00431d00
add esp, 0x1c
mov ebx, 0x4d
jmp 0x45cbf0
lea ecx, [ebp - 0xac]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSizeEx]
test eax, eax
jne 0x45c955
push 0x80
lea eax, [ebp - 0x84]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00456fd0
push eax
push edi
push str.schannel:_failed_to_determine_size_of_CA_file__s:__s
push ebx
call fcn.00431d00
add esp, 0x1c
mov ebx, 0x4d
jmp 0x45cbe4
mov edi, dword [ebp - 0xac]
cmp dword [ebp - 0xa8], esi
jl 0x45c98a
jg 0x45c96d
cmp edi, 0x100000
jbe 0x45c98a
push 0x100000
push str.schannel:_CA_file_exceeds_max_size_of__u_bytes
push ebx
call fcn.00431d00
add esp, 0xc
mov ebx, 0x4d
jmp 0x45cbe4
lea eax, [edi + 1]
push eax
call dword [0x59d488]
mov ecx, eax
add esp, 4
mov dword [ebp - 0x94], ecx
test ecx, ecx
jne 0x45c9ab
lea ebx, [eax + 0x1b]
jmp 0x45cbe4
xor ebx, ebx
test edi, edi
je 0x45c9f7
push 0
lea eax, [ebp - 0x90]
mov dword [ebp - 0x90], ebx
push eax
mov eax, edi
sub eax, esi
push eax
lea eax, [esi + ecx]
push eax
push dword [ebp - 0xa0]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x45cae2
mov eax, dword [ebp - 0x90]
mov ecx, dword [ebp - 0x94]
test eax, eax
je 0x45cadb
add esi, eax
cmp esi, edi
jb 0x45c9b1
mov byte [edi + ecx], bl
mov edi, ecx
nop dword [eax]
cmp byte [edi], bl
je 0x45cbab
push str._____BEGIN_CERTIFICATE_____
push edi
call sub.VCRUNTIME140.dll_strstr
mov esi, eax
add esp, 8
test esi, esi
je 0x45cbab
mov al, byte [esi + 0x1b]
cmp al, 0xd
je 0x45ca2f
cmp al, 0xa
jne 0x45cbab
push str._n_____END_CERTIFICATE_____
push esi
call sub.VCRUNTIME140.dll_strstr
mov edi, eax
add esp, 8
test edi, edi
je 0x45cb8b
lea eax, [ebp - 0x90]
mov dword [ebp - 0x90], ebx
push eax
push 0
push 0
push 0
lea eax, [ebp - 0x9c]
mov dword [ebp - 0x9c], ebx
push eax
push 0
push 0
push 0xe
push 2
lea eax, [ebp - 0xb4]
mov dword [ebp - 0xb0], esi
sub edi, esi
push eax
add edi, 0x1a
push 2
mov dword [ebp - 0xb4], edi
call dword [sym.imp.CRYPT32.dll_CryptQueryObject]
test eax, eax
je 0x45cb62
mov eax, dword [ebp - 0x9c]
add edi, esi
cmp eax, 1
jne 0x45cb44
push 0
push 4
push dword [ebp - 0x90]
push dword [ebp - 0xa4]
call dword [sym.imp.CRYPT32.dll_CertAddCertificateContextToStore]
push dword [ebp - 0x90]
mov esi, eax
call dword [sym.imp.CRYPT32.dll_CertFreeCertificateContext]
test esi, esi
je 0x45cb1e
inc dword [ebp - 0x98]
jmp 0x45ca00
mov edi, esi
jmp 0x45c9f7
push 0x80
lea eax, [ebp - 0x84]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00456fd0
push eax
push dword [ebp - 0x88]
push str.schannel:_failed_to_read_from_CA_file__s:__s
push dword [ebp - 0x8c]
call fcn.00431d00
add esp, 0x1c
mov ebx, 0x4d
jmp 0x45cbe4
push 0x80
lea eax, [ebp - 0x84]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00456fd0
push eax
push dword [ebp - 0x88]
push str.schannel:_failed_to_add_certificate_from_CA_file__s_to_certificate_store:__s
jmp 0x45cb06
push dword [ebp - 0x88]
push eax
push str.schannel:_unexpected_content_type__d_when_extracting_certificate_from_CA_file__s
push dword [ebp - 0x8c]
call fcn.00431d00
mov ebx, 0x4d
jmp 0x45cbe1
push 0x80
lea eax, [ebp - 0x84]
push eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00456fd0
push eax
push dword [ebp - 0x88]
push str.schannel:_failed_to_extract_certificate_from_CA_file__s:__s
jmp 0x45cb06
push dword [ebp - 0x88]
push str.schannel:_CA_file__s_is_not_correctly_formatted
push dword [ebp - 0x8c]
call fcn.00431d00
add esp, 0xc
mov ebx, 0x4d
jmp 0x45cbe4
mov eax, dword [ebp - 0x98]
push dword [ebp - 0x88]
test eax, eax
jne 0x45cbd0
push str.schannel:_did_not_add_any_certificates_from_CA_file__s_n
push dword [ebp - 0x8c]
call fcn.00431de0
add esp, 0xc
jmp 0x45cbe4
push eax
push str.schannel:_added__d_certificate_s__from_CA_file__s_n
push dword [ebp - 0x8c]
call fcn.00431de0
add esp, 0x10
push dword [ebp - 0xa0]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push dword [ebp - 0x94]
call dword [0x59d48c]
mov ecx, dword [ebp - 4]
add esp, 4
mov eax, ebx
xor ecx, ebp
pop edi
pop esi
pop ebx
call fcn.00493440
mov esp, ebp
pop ebp
ret