Function at 0x43e1d1
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
push esi
mov esi, eax
mov eax, dword [esi + 0x10]
mov ebp, dword [eax]
mov eax, dword [esp + 0xc]
add eax, 0xfffffffd
push edi
cmp eax, 4
ja case.0x43e1ca.4
jmp dword [eax*4 + 0x43e45c]
mov eax, dword [esi + 0x15c]
movzx ecx, byte [eax + 2]
movzx edx, byte [eax + 3]
shl cx, 8
movzx edi, cx
movzx ecx, word [esi + 0x40]
lea eax, [ecx + 1]
or edi, edx
and eax, 0xffff
cmp eax, edi
jne 0x43e201
mov dword [esi + 0x18], 0
jmp 0x43e218
cmp ecx, edi
jne 0x43e2a3
push edi
push str.Received_last_DATA_packet_block__d_again._n
push ebp
call fcn.004283c0
add esp, 0xc
mov word [esi + 0x40], di
mov eax, dword [esi + 0x160]
mov byte [eax], 0
mov ecx, dword [esi + 0x160]
mov byte [ecx + 1], 4
movzx eax, word [esi + 0x40]
mov ecx, dword [esi + 0x160]
mov edx, eax
shr edx, 8
mov byte [ecx + 2], dl
mov edx, dword [esi + 0x160]
mov byte [edx + 3], al
mov eax, dword [esi + 0x148]
mov edx, dword [esi + 0x160]
push eax
mov eax, dword [esi + 0x14]
lea ecx, [esi + 0xc8]
push ecx
push 0
push 4
push edx
push eax
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x43e3ba
mov edx, dword [esi + 0x154]
xor eax, eax
add edx, 4
cmp dword [esi + 0x14c], edx
setl al
add esi, 0x38
push esi
lea eax, [eax + eax + 1]
mov dword [esi - 0x38], eax
call dword [sym.imp.MSVCR100.dll__time64]
add esp, 4
pop edi
pop esi
xor eax, eax
pop ebp
ret
push eax
push edi
push str.Received_unexpected_DATA_packet_block__d__expecting_block__d_n
push ebp
call fcn.004283c0
add esp, 0x10
pop edi
pop esi
xor eax, eax
pop ebp
ret
xor ecx, ecx
mov word [esi + 0x40], cx
mov dword [esi + 0x18], ecx
mov edx, dword [esi + 0x160]
mov byte [edx], cl
mov eax, dword [esi + 0x160]
mov byte [eax + 1], 4
movzx eax, word [esi + 0x40]
mov edx, dword [esi + 0x160]
mov ecx, eax
shr ecx, 8
mov byte [edx + 2], cl
mov ecx, dword [esi + 0x160]
mov byte [ecx + 3], al
mov edx, dword [esi + 0x148]
mov ecx, dword [esi + 0x160]
push edx
mov edx, dword [esi + 0x14]
lea eax, [esi + 0xc8]
push eax
push 0
push 4
push ecx
push edx
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x43e33e
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
mov eax, dword [esi + 0x10]
push eax
call fcn.00453df0
push eax
push 0x46eff0
push ebp
call fcn.00428510
add esp, 0x14
pop edi
pop esi
mov eax, 0x37
pop ebp
ret
mov dword [esi], 1
add esi, 0x38
push esi
call dword [sym.imp.MSVCR100.dll__time64]
add esp, 4
pop edi
pop esi
xor eax, eax
pop ebp
ret
movzx ecx, word [esi + 0x40]
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
push eax
inc ecx
and ecx, 0xffff
push ecx
push str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
push ebp
call fcn.004283c0
mov edx, dword [esi + 0x18]
add esp, 0x10
cmp edx, dword [esi + 0x20]
jle 0x43e393
pop edi
mov dword [esi + 8], 0xffffff9d
mov dword [esi], 3
pop esi
xor eax, eax
pop ebp
ret
mov eax, dword [esi + 0x148]
mov edx, dword [esi + 0x160]
push eax
mov eax, dword [esi + 0x14]
lea ecx, [esi + 0xc8]
push ecx
push 0
push 4
push edx
push eax
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x43e439
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ecx, dword [esi + 0x10]
push eax
push ecx
call fcn.00453df0
push eax
push 0x46eff0
push ebp
call fcn.00428510
add esp, 0x14
pop edi
pop esi
mov eax, 0x37
pop ebp
ret
mov edx, dword [esi + 0x160]
mov byte [edx], 0
mov eax, dword [esi + 0x160]
mov byte [eax + 1], 5
movzx eax, word [esi + 0x40]
mov edx, dword [esi + 0x160]
mov ecx, eax
shr ecx, 8
mov byte [edx + 2], cl
mov ecx, dword [esi + 0x160]
mov byte [ecx + 3], al
mov edx, dword [esi + 0x148]
mov ecx, dword [esi + 0x160]
push edx
mov edx, dword [esi + 0x14]
lea eax, [esi + 0xc8]
push eax
push 0
push 4
push ecx
push edx
call dword [sym.imp.WS2_32.dll_sendto]
mov dword [esi], 3
pop edi
pop esi
xor eax, eax
pop ebp
ret
push str.tftp_rx:_internal_error
push 0x46eff0
push ebp
call fcn.00428510
add esp, 0xc
pop edi
pop esi
mov eax, 0x47
pop ebp
ret