Function at 0x503040
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x6ba4f8]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0xc]
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
add eax, 0xfffffffd
mov ebx, dword [edi + 0x10]
cmp eax, 4
ja case.0x50306b.4
jmp dword [eax*4 + 0x503308]
lea eax, [edi + 0x148]
push eax
call fcn.005029e0
movzx esi, word [edi + 0x144]
add esp, 4
movzx edx, ax
mov word [ebp - 0x106], ax
lea ecx, [esi + 1]
movzx ecx, cx
cmp ecx, edx
jne 0x5030a5
mov dword [edi + 0x18], 0
jmp 0x5030c3
cmp esi, edx
jne 0x503149
push edx
push str.Received_last_DATA_packet_block__d_again._n
push ebx
call fcn.004dbb50
mov ax, word [ebp - 0x106]
add esp, 0xc
lea esi, [edi + 0x14c]
mov word [edi + 0x144], ax
push 4
push esi
call fcn.00502a40
movzx eax, word [edi + 0x144]
push eax
push esi
call fcn.00502a20
add esp, 0x10
lea eax, [edi + 0xb0]
push dword [edi + 0x130]
push eax
push 0
push 4
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x50324c
mov eax, dword [edi + 0x13c]
xor ecx, ecx
add eax, 4
cmp dword [edi + 0x134], eax
lea eax, [edi + 0x28]
push eax
setl cl
lea ecx, [ecx*2 + 1]
mov dword [edi], ecx
call fcn.00531831
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0050fa22
mov esp, ebp
pop ebp
ret
push ecx
push edx
push str.Received_unexpected_DATA_packet_block__d__expecting_block__d_n
push ebx
call fcn.004dbb50
add esp, 0x10
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0050fa22
mov esp, ebp
pop ebp
ret
xor eax, eax
lea esi, [edi + 0x14c]
push 4
push esi
mov word [edi + 0x144], ax
mov dword [edi + 0x18], eax
call fcn.00502a40
movzx eax, word [edi + 0x144]
push eax
push esi
call fcn.00502a20
add esp, 0x10
lea eax, [edi + 0xb0]
push dword [edi + 0x130]
push eax
push 0
push 4
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x50324c
lea eax, [edi + 0x28]
mov dword [edi], 1
push eax
call fcn.00531831
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0050fa22
mov esp, ebp
pop ebp
ret
movzx eax, word [edi + 0x144]
inc dword [edi + 0x18]
inc eax
push dword [edi + 0x18]
movzx eax, ax
push eax
push str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
push ebx
call fcn.004dbb50
mov eax, dword [edi + 0x18]
add esp, 0x10
cmp eax, dword [edi + 0x20]
jle 0x503228
mov dword [edi + 8], 0xffffff9d
xor eax, eax
mov dword [edi], 3
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0050fa22
mov esp, ebp
pop ebp
ret
push dword [edi + 0x130]
lea eax, [edi + 0xb0]
push eax
push 0
push 4
push dword [edi + 0x14c]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x5032ca
push 0x100
lea eax, [ebp - 0x104]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.004c96d0
push eax
push 0x646aa8
push ebx
call fcn.004dba90
add esp, 0x18
mov eax, 0x37
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0050fa22
mov esp, ebp
pop ebp
ret
lea esi, [edi + 0x14c]
push 5
push esi
call fcn.00502a40
movzx eax, word [edi + 0x144]
push eax
push esi
call fcn.00502a20
add esp, 0x10
lea eax, [edi + 0xb0]
push dword [edi + 0x130]
push eax
push 0
push 4
push dword [esi]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
mov dword [edi], 3
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0050fa22
mov esp, ebp
pop ebp
ret
push str.tftp_rx:_internal_error
push 0x646aa8
push ebx
call fcn.004dba90
mov ecx, dword [ebp - 4]
add esp, 0xc
xor ecx, ebp
mov eax, 0x47
pop edi
pop esi
pop ebx
call fcn.0050fa22
mov esp, ebp
pop ebp
ret