Function at 0x43e6b5
Capabilities:
Send data
Send data on socket

Disassembly:
push ecx
mov eax, dword [esi + 0x10]
push ebx
push edi
mov edi, dword [eax]
lea eax, [ecx - 4]
xor ebx, ebx
cmp eax, 3
ja case.default.0x43e486
jmp dword [eax*4 + 0x43e7dc]
cmp ecx, 4
jne 0x43e56f
mov ecx, dword [esi + 0x15c]
movzx edx, byte [ecx + 2]
movzx ecx, byte [ecx + 3]
shl dx, 8
movzx eax, dx
movzx edx, word [esi + 0x40]
or eax, ecx
mov ecx, edx
cmp eax, ecx
je 0x43e55c
cmp dx, bx
jne 0x43e4cb
cmp eax, 0xffff
je 0x43e55c
push ecx
push eax
push str.Received_ACK_for_block__d__expecting__d_n
push edi
call fcn.004283c0
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
add esp, 0x10
cmp eax, dword [esi + 0x20]
jle 0x43e504
movzx edx, word [esi + 0x40]
push edx
push str.tftp_tx:_giving_up_waiting_for_block__d_ack
push edi
call fcn.00428510
add esp, 0xc
mov ebx, 0x37
pop edi
mov eax, ebx
pop ebx
pop ecx
ret
mov eax, dword [esi + 0x148]
mov edx, dword [esi + 0x150]
push eax
mov eax, dword [esi + 0x160]
lea ecx, [esi + 0xc8]
push ecx
mov ecx, dword [esi + 0x14]
push ebx
add edx, 4
push edx
push eax
push ecx
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x43e556
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov edx, dword [esi + 0x10]
push eax
push edx
call fcn.00453df0
push eax
push 0x46eff0
push edi
call fcn.00428510
add esp, 0x14
mov ebx, 0x37
pop edi
mov eax, ebx
pop ebx
pop ecx
ret
lea eax, [esi + 0x38]
push eax
call dword [sym.imp.MSVCR100.dll__time64]
add esp, 4
inc word [esi + 0x40]
jmp 0x43e578
mov ecx, 1
mov word [esi + 0x40], cx
mov dword [esi + 0x18], ebx
mov edx, dword [esi + 0x160]
mov byte [edx], bl
mov eax, dword [esi + 0x160]
mov byte [eax + 1], 3
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
cmp word [esi + 0x40], 1
jbe 0x43e5c1
mov edx, dword [esi + 0x150]
cmp edx, dword [esi + 0x154]
jl 0x43e7b9
mov eax, dword [esi + 0x160]
mov ecx, dword [esi + 0x10]
mov dword [esi + 0x150], ebx
mov edx, dword [ecx]
add eax, 4
mov dword [edx + 0x170], eax
jmp 0x43e5e0
mov ecx, dword [esi + 0x154]
sub ecx, dword [esi + 0x150]
mov edx, dword [esi + 0x10]
lea eax, [esp + 8]
push eax
push ecx
push edx
call fcn.004512d0
add esp, 0xc
cmp eax, ebx
jne 0x43e7d6
mov ecx, dword [esp + 8]
add dword [esi + 0x150], ecx
mov eax, dword [esi + 0x10]
mov eax, dword [eax]
add dword [eax + 0x170], ecx
mov ecx, dword [esi + 0x150]
cmp ecx, dword [esi + 0x154]
jge 0x43e62f
cmp dword [esp + 8], ebx
jne 0x43e5e0
mov edx, dword [esi + 0x148]
mov ecx, dword [esi + 0x150]
push edx
mov edx, dword [esi + 0x160]
lea eax, [esi + 0xc8]
push eax
mov eax, dword [esi + 0x14]
push ebx
add ecx, 4
push ecx
push edx
push eax
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x43e685
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 edi
call fcn.00428510
add esp, 0x14
pop edi
mov eax, 0x37
pop ebx
pop ecx
ret
mov eax, dword [esi + 0x150]
cdq
add dword [edi + 0xb8], eax
mov eax, dword [edi + 0xb8]
adc dword [edi + 0xbc], edx
mov edx, dword [edi + 0xbc]
push edx
push eax
push edi
call fcn.00434950
add esp, 0xc
pop edi
xor eax, eax
pop ebx
pop ecx
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 edi
call fcn.004283c0
mov edx, dword [esi + 0x18]
add esp, 0x10
cmp edx, dword [esi + 0x20]
jle 0x43e6f1
pop edi
mov dword [esi + 8], 0xffffff9d
mov dword [esi], 3
xor eax, eax
pop ebx
pop ecx
ret
mov eax, dword [esi + 0x148]
mov edx, dword [esi + 0x150]
push eax
mov eax, dword [esi + 0x160]
lea ecx, [esi + 0xc8]
push ecx
mov ecx, dword [esi + 0x14]
push ebx
add edx, 4
push edx
push eax
push ecx
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x43e747
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov edx, dword [esi + 0x10]
push eax
push edx
call fcn.00453df0
push eax
push 0x46eff0
push edi
call fcn.00428510
add esp, 0x14
pop edi
mov eax, 0x37
pop ebx
pop ecx
ret
mov eax, dword [edi + 0xbc]
mov ecx, dword [edi + 0xb8]
push eax
push ecx
push edi
call fcn.00434950
add esp, 0xc
pop edi
xor eax, eax
pop ebx
pop ecx
ret
mov dword [esi], 3
mov edx, dword [esi + 0x160]
mov byte [edx], bl
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 ebx
push 4
push ecx
push edx
call dword [sym.imp.WS2_32.dll_sendto]
pop edi
mov dword [esi], 3
xor eax, eax
pop ebx
pop ecx
ret
push ecx
push str.tftp_tx:_internal_error__event:__i
push edi
call fcn.00428510
add esp, 0xc
xor eax, eax
pop edi
pop ebx
pop ecx
ret