Function at 0x438680
Capabilities:
Send data
Send data on socket

Disassembly:
sub esp, 0x88
mov eax, dword [0x45a080]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push esi
mov esi, dword [esp + 0x94]
xor ebx, ebx
push edi
mov eax, dword [esi + 0x10]
mov edi, dword [eax]
mov eax, dword [esp + 0x9c]
lea ecx, [eax - 4]
cmp ecx, 3
ja case.default.0x4386b8
jmp dword [ecx*4 + 0x438a1c]
cmp eax, 4
jne 0x4387a3
mov eax, dword [esi + 0x15c]
movzx ecx, byte [eax + 2]
movzx eax, byte [eax + 3]
shl ecx, 8
or ecx, eax
movzx eax, word [esi + 0x40]
mov edx, eax
cmp ecx, edx
je 0x438791
test ax, ax
jne 0x4386fa
cmp ecx, 0xffff
je 0x438791
push edx
push ecx
push str.Received_ACK_for_block__d__expecting__d_n
push edi
call fcn.00415100
inc dword [esi + 0x18]
add esp, 0x10
mov eax, dword [esi + 0x18]
cmp eax, dword [esi + 0x20]
jle 0x438732
movzx eax, word [esi + 0x40]
push eax
push str.tftp_tx:_giving_up_waiting_for_block__d_ack
push edi
call fcn.00415020
add esp, 0xc
mov ebx, 0x37
jmp 0x4389ff
push dword [esi + 0x148]
lea eax, [esi + 0xc8]
push eax
mov eax, dword [esi + 0x150]
push 0
add eax, 4
push eax
push dword [esi + 0x160]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x4389ff
push 0x80
lea eax, [esp + 0x14]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.0043cb30
push eax
push 0x457cd8
push edi
call fcn.00415020
add esp, 0x18
mov ebx, 0x37
jmp 0x4389ff
lea eax, [esi + 0x38]
push eax
call sub.api_ms_win_crt_time_l1_1_0.dll__time64
add esp, 4
inc word [esi + 0x40]
jmp 0x4387ac
mov eax, 1
mov word [esi + 0x40], ax
mov dword [esi + 0x18], ebx
mov eax, dword [esi + 0x160]
mov byte [eax], bl
mov eax, dword [esi + 0x160]
mov byte [eax + 1], 3
movzx edx, word [esi + 0x40]
mov eax, dword [esi + 0x160]
mov ecx, edx
shr ecx, 8
mov byte [eax + 2], cl
mov eax, dword [esi + 0x160]
mov byte [eax + 3], dl
cmp word [esi + 0x40], 1
jbe 0x438811
mov eax, dword [esi + 0x150]
cmp eax, dword [esi + 0x154]
jge 0x438811
pop edi
mov dword [esi], 3
xor eax, eax
pop esi
pop ebx
mov ecx, dword [esp + 0x84]
xor ecx, esp
call fcn.0044aca5
add esp, 0x88
ret
mov eax, dword [esi + 0x10]
mov ecx, dword [esi + 0x160]
mov dword [esi + 0x150], ebx
add ecx, 4
mov eax, dword [eax]
mov dword [eax + 0x148], ecx
lea ecx, [esp + 0xc]
mov eax, dword [esi + 0x154]
sub eax, dword [esi + 0x150]
push ecx
push eax
push dword [esi + 0x10]
call fcn.00419db0
mov ebx, eax
add esp, 0xc
test ebx, ebx
jne 0x4389ff
mov eax, dword [esi + 0x10]
mov ecx, dword [esp + 0xc]
add dword [esi + 0x150], ecx
mov eax, dword [eax]
add dword [eax + 0x148], ecx
mov ecx, dword [esi + 0x150]
mov eax, dword [esi + 0x154]
cmp ecx, eax
jge 0x43889c
cmp dword [esp + 0xc], 0
je 0x43889c
lea edx, [esp + 0xc]
sub eax, ecx
push edx
push eax
push dword [esi + 0x10]
call fcn.00419db0
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x438852
jmp 0x4389ff
push dword [esi + 0x148]
lea eax, [esi + 0xc8]
push eax
push 0
lea eax, [ecx + 4]
push eax
push dword [esi + 0x160]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x438953
mov eax, dword [esi + 0x150]
cdq
add dword [edi + 0xa0], eax
adc dword [edi + 0xa4], edx
push dword [edi + 0xa4]
push dword [edi + 0xa0]
push edi
call fcn.00422490
jmp 0x4389fc
movzx eax, word [esi + 0x40]
inc dword [esi + 0x18]
inc eax
push dword [esi + 0x18]
movzx eax, ax
push eax
push str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
push edi
call fcn.00415100
mov eax, dword [esi + 0x18]
add esp, 0x10
cmp eax, dword [esi + 0x20]
jle 0x438927
mov dword [esi + 8], 0xffffff9d
mov dword [esi], 3
jmp 0x4389ff
push dword [esi + 0x148]
lea eax, [esi + 0xc8]
push eax
mov eax, dword [esi + 0x150]
push 0
add eax, 4
push eax
push dword [esi + 0x160]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x4388d9
push 0x80
lea eax, [esp + 0x14]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.0043cb30
push eax
push 0x457cd8
push edi
call fcn.00415020
add esp, 0x18
mov eax, 0x37
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x84]
xor ecx, esp
call fcn.0044aca5
add esp, 0x88
ret
mov dword [esi], 3
mov eax, dword [esi + 0x160]
mov byte [eax], bl
mov eax, dword [esi + 0x160]
mov byte [eax + 1], 5
movzx edx, word [esi + 0x40]
mov eax, dword [esi + 0x160]
mov ecx, edx
shr ecx, 8
mov byte [eax + 2], cl
mov eax, dword [esi + 0x160]
mov byte [eax + 3], dl
lea eax, [esi + 0xc8]
push dword [esi + 0x148]
push eax
push 0
push 4
push dword [esi + 0x160]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
mov dword [esi], 3
jmp 0x4389ff
push eax
push str.tftp_tx:_internal_error__event:__i
push edi
call fcn.00415020
add esp, 0xc
mov ecx, dword [esp + 0x90]
mov eax, ebx
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.0044aca5
add esp, 0x88
ret