Function at 0x513990
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
xor ebx, ebx
mov eax, dword [edi + 0x10]
mov esi, dword [eax]
mov eax, dword [ebp + 0xc]
lea ecx, [eax - 4]
cmp ecx, 3
ja case.default.0x5139af
jmp dword [ecx*4 + 0x513c7c]
cmp eax, 4
jne 0x513a91
lea eax, [edi + 0x15c]
push eax
call fcn.00512a30
movzx ecx, word [edi + 0x40]
add esp, 4
movzx eax, ax
mov edx, ecx
cmp eax, edx
je 0x513a7f
test cx, cx
jne 0x5139ef
cmp eax, 0xffff
je 0x513a7f
push edx
push eax
push str.Received_ACK_for_block__d__expecting__d_n
push esi
call fcn.004eeed0
inc dword [edi + 0x18]
add esp, 0x10
mov eax, dword [edi + 0x18]
cmp eax, dword [edi + 0x20]
jle 0x513a29
movzx eax, word [edi + 0x40]
push eax
push str.tftp_tx:_giving_up_waiting_for_block__d_ack
push esi
call fcn.004eee30
add esp, 0xc
mov ebx, 0x37
mov eax, ebx
pop edi
pop esi
pop ebx
pop ebp
ret
push dword [edi + 0x148]
lea eax, [edi + 0xc8]
push eax
mov eax, dword [edi + 0x150]
push 0
add eax, 4
push eax
push dword [edi + 0x160]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x513a78
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push dword [edi + 0x10]
call fcn.004dd3b0
push eax
push 0x6873b4
push esi
call fcn.004eee30
add esp, 0x14
mov ebx, 0x37
pop edi
pop esi
mov eax, ebx
pop ebx
pop ebp
ret
lea eax, [edi + 0x38]
push eax
call fcn.005e678b
add esp, 4
inc word [edi + 0x40]
jmp 0x513a9a
mov eax, 1
mov word [edi + 0x40], ax
mov dword [edi + 0x18], ebx
lea ebx, [edi + 0x160]
push 3
push ebx
call fcn.00512a90
movzx eax, word [edi + 0x40]
push eax
push ebx
call fcn.00512a70
add esp, 0x10
cmp word [edi + 0x40], 1
jbe 0x513ad2
mov eax, dword [edi + 0x150]
cmp eax, dword [edi + 0x154]
jl 0x513c56
mov eax, dword [edi + 0x10]
mov ecx, dword [ebx]
mov dword [edi + 0x150], 0
add ecx, 4
mov eax, dword [eax]
mov dword [eax + 0x10c], ecx
nop dword [eax]
lea eax, [ebp + 8]
push eax
mov eax, dword [edi + 0x154]
sub eax, dword [edi + 0x150]
push eax
push dword [edi + 0x10]
call fcn.004fd950
add esp, 0xc
test eax, eax
jne 0x513c74
mov eax, dword [edi + 0x10]
mov ecx, dword [ebp + 8]
add dword [edi + 0x150], ecx
mov eax, dword [eax]
add dword [eax + 0x10c], ecx
mov eax, dword [edi + 0x150]
cmp eax, dword [edi + 0x154]
jge 0x513b3c
cmp dword [ebp + 8], 0
jne 0x513af0
push dword [edi + 0x148]
lea eax, [edi + 0xc8]
push eax
mov eax, dword [edi + 0x150]
push 0
add eax, 4
push eax
push dword [ebx]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x513bf0
mov eax, dword [edi + 0x150]
cdq
add dword [esi + 0x78], eax
adc dword [esi + 0x7c], edx
push dword [esi + 0x7c]
push dword [esi + 0x78]
push esi
call fcn.004ff5c0
add esp, 0xc
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
movzx eax, word [edi + 0x40]
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 esi
call fcn.004eeed0
mov eax, dword [edi + 0x18]
add esp, 0x10
cmp eax, dword [edi + 0x20]
jle 0x513bc4
mov dword [edi + 8], 0xffffff9d
xor eax, eax
mov dword [edi], 3
pop edi
pop esi
pop ebx
pop ebp
ret
push dword [edi + 0x148]
lea eax, [edi + 0xc8]
push eax
mov eax, dword [edi + 0x150]
push 0
add eax, 4
push eax
push dword [edi + 0x160]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x513b75
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push dword [edi + 0x10]
call fcn.004dd3b0
push eax
push 0x6873b4
push esi
call fcn.004eee30
add esp, 0x14
mov eax, 0x37
pop edi
pop esi
pop ebx
pop ebp
ret
lea esi, [edi + 0x160]
mov dword [edi], 3
push 5
push esi
call fcn.00512a90
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.00512a70
add esp, 0x10
lea eax, [edi + 0xc8]
push dword [edi + 0x148]
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
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret
push eax
push str.tftp_tx:_internal_error__event:__i
push esi
call fcn.004eee30
add esp, 0xc
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret