Function at 0x4b56b1
Capabilities:
Send data
Send data on socket

Disassembly:
push ebx
push esi
mov esi, eax
mov eax, dword [esi + 0x10]
mov ebx, dword [eax]
mov eax, dword [esp + 0xc]
add eax, 0xfffffffd
push edi
cmp eax, 4
ja case.0x4b56aa.4
jmp dword [eax*4 + 0x4b5904]
lea eax, [esi + 0x15c]
call fcn.004b53b0
movzx ecx, word [esi + 0x40]
inc ecx
movzx eax, ax
and ecx, 0xffff
cmp ecx, eax
je 0x4b570f
push eax
push str.Received_unexpected_DATA_packet_block__d_n
push ebx
call fcn.004aec50
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
add esp, 0xc
cmp eax, dword [esi + 0x20]
jle 0x4b58df
movzx edx, word [esi + 0x40]
inc edx
and edx, 0xffff
push edx
push str.tftp_rx:_giving_up_waiting_for_block__d
push ebx
call fcn.004aece0
add esp, 0xc
pop edi
pop esi
mov eax, 0x47
pop ebx
ret
mov word [esi + 0x40], ax
lea edi, [esi + 0x160]
mov eax, 4
mov ecx, edi
mov dword [esi + 0x18], 0
call fcn.004b5360
mov ax, word [esi + 0x40]
mov ecx, edi
call fcn.004b5380
mov eax, dword [esi + 0x148]
mov edx, dword [edi]
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
jl 0x4b5875
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 fcn.004d0409
add esp, 4
pop edi
pop esi
xor eax, eax
pop ebx
ret
xor ecx, ecx
mov word [esi + 0x40], cx
mov dword [esi + 0x18], ecx
lea edi, [esi + 0x160]
lea eax, [ecx + 4]
mov ecx, edi
call fcn.004b5360
mov ax, word [esi + 0x40]
mov ecx, edi
call fcn.004b5380
mov edx, dword [esi + 0x148]
mov ecx, dword [edi]
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
jge 0x4b57fa
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
mov eax, dword [esi + 0x10]
push eax
call fcn.004c4270
push eax
push 0x52f004
push ebx
call fcn.004aece0
add esp, 0x14
pop edi
pop esi
mov eax, 0x37
pop ebx
ret
mov dword [esi], 1
add esi, 0x38
push esi
call fcn.004d0409
add esp, 4
pop edi
pop esi
xor eax, eax
pop ebx
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 ebx
call fcn.004aec50
mov edx, dword [esi + 0x18]
add esp, 0x10
cmp edx, dword [esi + 0x20]
jle 0x4b584e
pop edi
mov dword [esi + 8], 0xffffff9d
mov dword [esi], 3
pop esi
xor eax, eax
pop ebx
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
jge 0x4b58df
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ecx, dword [esi + 0x10]
push eax
push ecx
call fcn.004c4270
push eax
push 0x52f004
push ebx
call fcn.004aece0
add esp, 0x14
pop edi
pop esi
mov eax, 0x37
pop ebx
ret
lea edi, [esi + 0x160]
mov eax, 5
mov ecx, edi
call fcn.004b5360
mov ax, word [esi + 0x40]
mov ecx, edi
call fcn.004b5380
mov edx, dword [esi + 0x148]
mov ecx, dword [edi]
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 ebx
ret
push str.tftp_rx:_internal_error
push 0x52f004
push ebx
call fcn.004aece0
add esp, 0xc
pop edi
pop esi
mov eax, 0x47
pop ebx
ret