Function at 0x4241f0
Capabilities:
Send data
Send data on socket

Disassembly:
push ecx
push ebp
push esi
mov esi, eax
mov eax, dword [esi + 0x10]
mov ebp, dword [eax]
mov eax, dword [esp + 0x10]
add eax, 0xfffffffd
push edi
cmp eax, 4
ja case.0x42420b.4
jmp dword [eax*4 + 0x424490]
mov eax, dword [esi + 0x15c]
movzx cx, 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 0x424243
mov dword [esi + 0x18], 0
jmp 0x42425b
cmp ecx, edi
mov ecx, ebp
jne 0x424310
push edi
push str.Received_last_DATA_packet_block__d_again._n
call fcn.0040f940
add esp, 8
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
jge 0x4242e2
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ecx, dword [esi + 0x10]
push ecx
mov edi, eax
call fcn.00431bd0
add esp, 4
push eax
push 0x71f628
mov eax, ebp
call fcn.0040f9d0
mov eax, 0x37
add esp, 8
pop edi
pop esi
pop ebp
pop ecx
ret
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.005674cc
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ecx
ret
push eax
push edi
push str.Received_unexpected_DATA_packet_block__d__expecting_block__d_n
call fcn.0040f940
add esp, 0xc
xor eax, eax
pop edi
pop esi
pop ebp
pop ecx
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
jl 0x4242b4
mov dword [esi], 1
add esi, 0x38
push esi
call fcn.005674cc
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ecx
ret
movzx edx, word [esi + 0x40]
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
inc edx
push eax
and edx, 0xffff
push edx
push str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
mov ecx, ebp
call fcn.0040f940
mov eax, dword [esi + 0x18]
add esp, 0xc
cmp eax, dword [esi + 0x20]
jle 0x4243de
mov dword [esi + 8], 0xffffff9d
mov dword [esi], 3
xor eax, eax
pop edi
pop esi
pop ebp
pop ecx
ret
mov ecx, dword [esi + 0x148]
mov eax, dword [esi + 0x160]
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]
test eax, eax
jge 0x42446b
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov edx, dword [esi + 0x10]
push edx
jmp 0x4242be
mov eax, dword [esi + 0x160]
mov byte [eax], 0
mov ecx, dword [esi + 0x160]
mov byte [ecx + 1], 5
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]
mov dword [esi], 3
xor eax, eax
pop edi
pop esi
pop ebp
pop ecx
ret
push str.tftp_rx:_internal_error
push 0x71f628
mov eax, ebp
call fcn.0040f9d0
add esp, 8
pop edi
pop esi
mov eax, 0x47
pop ebp
pop ecx
ret