Function at 0x531dc0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
push ecx
mov eax, dword [esi + 0x10]
push ebx
push edi
mov edi, dword [eax]
lea eax, [ecx - 4]
xor ebx, ebx
cmp eax, 3
ja case.default.0x531dd9
jmp dword [eax*4 + 0x532104]
cmp ecx, 4
jne 0x531ebd
lea eax, [esi + 0x15c]
call fcn.00531860
movzx edx, word [esi + 0x40]
movzx eax, ax
mov ecx, edx
cmp eax, ecx
je 0x531eab
test dx, dx
jne 0x531e15
cmp eax, 0xffff
je 0x531eab
push ecx
push eax
push str.Received_ACK_for_block__d__expecting__d_n
push edi
call fcn.00520ec0
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
add esp, 0x10
cmp eax, dword [esi + 0x20]
jle 0x531e50
movzx ecx, word [esi + 0x40]
push ecx
push str.tftp_tx:_giving_up_waiting_for_block__d_ack
push edi
call fcn.00520f40
add esp, 0xc
mov ebx, 0x37
pop edi
mov eax, ebx
pop ebx
mov esp, ebp
pop ebp
ret
mov edx, dword [esi + 0x148]
mov ecx, dword [esi + 0x150]
push edx
mov edx, dword [esi + 0x160]
lea eax, [esi + 0xc8]
push eax
mov eax, dword [esi + 0x14]
push 0
add ecx, 4
push ecx
push edx
push eax
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x531ea3
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ecx, dword [esi + 0x10]
push eax
push ecx
call fcn.005270b0
push eax
push 0x58e29c
push edi
call fcn.00520f40
add esp, 0x14
mov ebx, 0x37
pop edi
mov eax, ebx
pop ebx
mov esp, ebp
pop ebp
ret
lea edx, [esi + 0x38]
push edx
call fcn.0054cfe2
add esp, 4
inc word [esi + 0x40]
jmp 0x531ec6
mov eax, 1
mov word [esi + 0x40], ax
mov eax, 3
lea ecx, [esi + 0x160]
mov dword [esi + 0x18], ebx
call fcn.00531810
mov ax, word [esi + 0x40]
lea ecx, [esi + 0x160]
call fcn.00531830
cmp word [esi + 0x40], 1
jbe 0x531f01
mov ecx, dword [esi + 0x150]
cmp ecx, dword [esi + 0x154]
jl 0x5320dc
mov edx, dword [esi + 0x160]
mov eax, dword [esi + 0x10]
mov dword [esi + 0x150], ebx
mov ecx, dword [eax]
add edx, 4
mov dword [ecx + 0x114], edx
jmp 0x531f20
mov eax, dword [esi + 0x154]
sub eax, dword [esi + 0x150]
mov ecx, dword [esi + 0x10]
lea edx, [ebp - 4]
push edx
push eax
push ecx
call fcn.00542120
add esp, 0xc
test eax, eax
jne 0x5320fb
mov ecx, dword [ebp - 4]
add dword [esi + 0x150], ecx
mov edx, dword [esi + 0x10]
mov eax, dword [edx]
add dword [eax + 0x114], ecx
mov eax, dword [esi + 0x150]
cmp eax, dword [esi + 0x154]
jge 0x531f6c
cmp dword [ebp - 4], ebx
jne 0x531f20
mov ecx, dword [esi + 0x148]
push ecx
mov ecx, dword [esi + 0x160]
lea edx, [esi + 0xc8]
push edx
mov edx, dword [esi + 0x14]
push 0
add eax, 4
push eax
push ecx
push edx
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x531fbf
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
mov eax, dword [esi + 0x10]
push eax
call fcn.005270b0
push eax
push 0x58e29c
push edi
call fcn.00520f40
add esp, 0x14
pop edi
mov eax, 0x37
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [esi + 0x150]
cdq
add dword [edi + 0x78], eax
adc dword [edi + 0x7c], edx
mov ecx, dword [edi + 0x7c]
mov edx, dword [edi + 0x78]
push ecx
push edx
push edi
call fcn.00529d90
add esp, 0xc
pop edi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
push eax
movzx eax, word [esi + 0x40]
inc eax
and eax, 0xffff
push eax
push str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
push edi
call fcn.00520ec0
mov ecx, dword [esi + 0x18]
add esp, 0x10
cmp ecx, dword [esi + 0x20]
jle 0x532022
pop edi
mov dword [esi + 8], 0xffffff9d
mov dword [esi], 3
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
mov edx, dword [esi + 0x148]
mov ecx, dword [esi + 0x150]
push edx
mov edx, dword [esi + 0x160]
lea eax, [esi + 0xc8]
push eax
mov eax, dword [esi + 0x14]
push 0
add ecx, 4
push ecx
push edx
push eax
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x53207b
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ecx, dword [esi + 0x10]
push eax
push ecx
call fcn.005270b0
push eax
push 0x58e29c
push edi
call fcn.00520f40
add esp, 0x14
pop edi
mov eax, 0x37
pop ebx
mov esp, ebp
pop ebp
ret
mov edx, dword [edi + 0x7c]
mov eax, dword [edi + 0x78]
push edx
push eax
push edi
call fcn.00529d90
add esp, 0xc
pop edi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, 5
lea ecx, [esi + 0x160]
mov dword [esi], 3
call fcn.00531810
mov ax, word [esi + 0x40]
lea ecx, [esi + 0x160]
call fcn.00531830
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]
pop edi
mov dword [esi], 3
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
push ecx
push str.tftp_tx:_internal_error__event:__i
push edi
call fcn.00520f40
add esp, 0xc
xor eax, eax
pop edi
pop ebx
mov esp, ebp
pop ebp
ret