Function at 0x4d1680
Capabilities:
Send data
Send data on socket

Disassembly:
sub esp, 0x88
mov eax, dword [0x658aa8]
xor eax, esp
mov dword [esp + 0x84], eax
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.0x4d1679
jmp dword [eax*4 + 0x4d19d4]
cmp ecx, 4
jne 0x4d1786
lea eax, [esi + 0x15c]
call fcn.004d1050
movzx edx, word [esi + 0x40]
movzx eax, ax
movzx ecx, dx
cmp eax, ecx
je 0x4d1774
test dx, dx
jne 0x4d16b6
cmp eax, 0xffff
je 0x4d1774
push ecx
push eax
push str.Received_ACK_for_block__d__expecting__d_n
push edi
call fcn.004c2070
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
add esp, 0x10
cmp eax, dword [esi + 0x20]
jle 0x4d1702
movzx ecx, word [esi + 0x40]
push ecx
push str.tftp_tx:_giving_up_waiting_for_block__d_ack
push edi
call fcn.004c2150
add esp, 0xc
mov ebx, 0x37
pop edi
mov eax, ebx
pop ebx
mov ecx, dword [esp + 0x84]
xor ecx, esp
call fcn.00499a1c
add esp, 0x88
ret
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 0
add ecx, 4
push ecx
push edx
push eax
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jge 0x4d175b
push 0x80
lea ecx, [esp + 0x10]
push ecx
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.004b6fe0
push eax
push 0x637a18
push edi
call fcn.004c2150
add esp, 0x18
mov ebx, 0x37
pop edi
mov eax, ebx
pop ebx
mov ecx, dword [esp + 0x84]
xor ecx, esp
call fcn.00499a1c
add esp, 0x88
ret
lea edx, [esi + 0x38]
push edx
call fcn.0049d67c
add esp, 4
inc word [esi + 0x40]
jmp 0x4d178f
mov eax, 1
mov word [esi + 0x40], ax
mov dword [esi + 0x18], ebx
lea ebx, [esi + 0x160]
mov eax, 3
mov ecx, ebx
call fcn.004d1000
mov ax, word [esi + 0x40]
mov ecx, ebx
call fcn.004d1020
cmp word [esi + 0x40], 1
jbe 0x4d17c8
mov ecx, dword [esi + 0x150]
cmp ecx, dword [esi + 0x154]
jl 0x4d19a2
mov edx, dword [ebx]
mov eax, dword [esi + 0x10]
mov dword [esi + 0x150], 0
mov ecx, dword [eax]
add edx, 4
mov dword [ecx + 0x150], edx
jmp 0x4d17f0
mov eax, dword [esi + 0x154]
sub eax, dword [esi + 0x150]
mov ecx, dword [esi + 0x10]
lea edx, [esp + 8]
push edx
push eax
push ecx
call fcn.004e5030
add esp, 0xc
test eax, eax
jne 0x4d19bb
mov ecx, dword [esp + 8]
add dword [esi + 0x150], ecx
mov edx, dword [esi + 0x10]
mov eax, dword [edx]
add dword [eax + 0x150], ecx
mov eax, dword [esi + 0x150]
cmp eax, dword [esi + 0x154]
jge 0x4d1840
cmp dword [esp + 8], 0
jne 0x4d17f0
mov ecx, dword [esi + 0x148]
push ecx
mov ecx, dword [ebx]
lea edx, [esi + 0xc8]
push edx
mov edx, dword [esi + 0x14]
push 0
add eax, 4
push eax
push ecx
push edx
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jge 0x4d18a6
push 0x80
lea eax, [esp + 0x10]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.004b6fe0
push eax
push 0x637a18
push edi
call fcn.004c2150
add esp, 0x18
pop edi
mov eax, 0x37
pop ebx
mov ecx, dword [esp + 0x84]
xor ecx, esp
call fcn.00499a1c
add esp, 0x88
ret
mov eax, dword [esi + 0x150]
cdq
add dword [edi + 0xa8], eax
adc dword [edi + 0xac], edx
mov ecx, dword [edi + 0xac]
mov edx, dword [edi + 0xa8]
push ecx
push edx
push edi
call fcn.004e3f70
jmp 0x4d19b6
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
push eax
movzx eax, word [esi + 0x40]
inc eax
and eax, 0xffff
push eax
push str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
push edi
call fcn.004c2070
mov ecx, dword [esi + 0x18]
add esp, 0x10
cmp ecx, dword [esi + 0x20]
jle 0x4d190c
mov dword [esi + 8], 0xffffff9d
mov dword [esi], 3
jmp 0x4d19b9
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 0
add ecx, 4
push ecx
push edx
push eax
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jge 0x4d194a
push 0x80
lea ecx, [esp + 0x10]
push ecx
jmp 0x4d186f
mov edx, dword [edi + 0xac]
mov eax, dword [edi + 0xa8]
push edx
push eax
push edi
call fcn.004e3f70
jmp 0x4d19b6
lea edi, [esi + 0x160]
mov eax, 5
mov ecx, edi
mov dword [esi], 3
call fcn.004d1000
mov ax, word [esi + 0x40]
mov ecx, edi
call fcn.004d1020
mov ecx, dword [esi + 0x148]
mov eax, dword [edi]
push ecx
mov ecx, dword [esi + 0x14]
lea edx, [esi + 0xc8]
push edx
push 0
push 4
push eax
push ecx
call dword [sym.imp.WS2_32.dll_sendto]
mov dword [esi], 3
jmp 0x4d19b9
push ecx
push str.tftp_tx:_internal_error__event:__i
push edi
call fcn.004c2150
add esp, 0xc
xor eax, eax
mov ecx, dword [esp + 0x8c]
pop edi
pop ebx
xor ecx, esp
call fcn.00499a1c
add esp, 0x88
ret