Function at 0x551b40
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.0x551b5f
jmp dword [ecx*4 + 0x551de0]
cmp eax, 4
jne 0x551c42
lea eax, [edi + 0x15c]
push eax
call fcn.00550940
movzx ecx, word [edi + 0x40]
add esp, 4
movzx eax, ax
mov edx, ecx
cmp eax, edx
je 0x551c30
test cx, cx
jne 0x551b9f
cmp eax, 0xffff
je 0x551c30
push edx
push eax
push str.Received_ACK_for_block__d__expecting__d_n
push esi
call fcn.0052cc60
inc dword [edi + 0x18]
add esp, 0x10
mov eax, dword [edi + 0x18]
cmp eax, dword [edi + 0x20]
jle 0x551bd9
movzx eax, word [edi + 0x40]
push eax
push str.tftp_tx:_giving_up_waiting_for_block__d_ack
push esi
call fcn.0052cbc0
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
lea eax, [edi + 0x160]
push eax
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x551c29
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push dword [edi + 0x10]
call fcn.0053af60
push eax
push 0x5653fc
push esi
call fcn.0052cbc0
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.005106f2
add esp, 4
inc word [edi + 0x40]
jmp 0x551c4b
mov eax, 1
mov word [edi + 0x40], ax
mov dword [edi + 0x18], ebx
lea ebx, [edi + 0x160]
push 3
push ebx
call fcn.005509a0
movzx eax, word [edi + 0x40]
push eax
push ebx
call fcn.00550980
add esp, 0x10
cmp word [edi + 0x40], 1
jbe 0x551c83
mov eax, dword [edi + 0x150]
cmp eax, dword [edi + 0x154]
jl 0x551dbd
lea eax, [edi + 0x150]
push eax
push dword [edi + 0x154]
push dword [edi + 0x10]
call fcn.00530cf0
add esp, 0xc
test eax, eax
jne 0x551ddb
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 0x551d57
mov eax, dword [edi + 0x150]
cdq
add dword [esi + 0x40], eax
adc dword [esi + 0x44], edx
push dword [esi + 0x44]
push dword [esi + 0x40]
push esi
call fcn.00543c50
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.0052cc60
mov eax, dword [edi + 0x18]
add esp, 0x10
cmp eax, dword [edi + 0x20]
jle 0x551d2b
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 0x551cdc
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push dword [edi + 0x10]
call fcn.0053af60
push eax
push 0x5653fc
push esi
call fcn.0052cbc0
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.005509a0
movzx eax, word [edi + 0x40]
push eax
push esi
call fcn.00550980
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.0052cbc0
add esp, 0xc
xor eax, eax
pop edi
pop esi
pop ebx
pop ebp
ret