Function at 0x4937d0
Capabilities:
Send data
Send data on socket

Disassembly:
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.0x4937e5
jmp dword [eax*4 + 0x493ad0]
cmp ecx, 4
jne 0x4938cc
mov ecx, dword [esi + 0x15c]
movzx edx, byte [ecx + 2]
movzx ecx, byte [ecx + 3]
shl dx, 8
movzx eax, dx
movzx edx, word [esi + 0x40]
or eax, ecx
mov ecx, edx
cmp eax, ecx
je 0x4938ba
test dx, dx
jne 0x49382a
cmp eax, 0xffff
je 0x4938ba
push ecx
push eax
push str.Received_ACK_for_block__d__expecting__d_n
push edi
call fcn.00482dd0
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
add esp, 0x10
cmp eax, dword [esi + 0x20]
jle 0x493862
movzx edx, word [esi + 0x40]
push edx
push str.tftp_tx:_giving_up_waiting_for_block__d_ack
push edi
call fcn.00482e60
add esp, 0xc
mov ebx, 0x37
pop edi
mov eax, ebx
pop ebx
ret
mov eax, dword [esi + 0x148]
mov edx, dword [esi + 0x150]
push eax
mov eax, dword [esi + 0x160]
lea ecx, [esi + 0xc8]
push ecx
mov ecx, dword [esi + 0x14]
push 0
add edx, 4
push edx
push eax
push ecx
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x4938b5
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov edx, dword [esi + 0x10]
push eax
push edx
call fcn.004a0630
push eax
push 0x5713f8
push edi
call fcn.00482e60
add esp, 0x14
mov ebx, 0x37
pop edi
mov eax, ebx
pop ebx
ret
lea eax, [esi + 0x38]
push eax
call fcn.004b98a1
add esp, 4
inc word [esi + 0x40]
jmp 0x4938d5
mov ecx, 1
mov word [esi + 0x40], cx
mov dword [esi + 0x18], ebx
mov edx, dword [esi + 0x160]
mov byte [edx], bl
mov eax, dword [esi + 0x160]
mov byte [eax + 1], 3
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
cmp word [esi + 0x40], 1
jbe 0x49391e
mov edx, dword [esi + 0x150]
cmp edx, dword [esi + 0x154]
jl 0x493aae
mov eax, dword [esi + 0x154]
mov ecx, dword [esi + 0x10]
lea ebx, [esi + 0x150]
push ebx
push eax
push ecx
call fcn.004798c0
add esp, 0xc
test eax, eax
jne 0x493aca
mov edx, dword [esi + 0x148]
mov ecx, dword [ebx]
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 0x493992
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ecx, dword [esi + 0x10]
push eax
push ecx
call fcn.004a0630
push eax
push 0x5713f8
push edi
call fcn.00482e60
add esp, 0x14
pop edi
mov eax, 0x37
pop ebx
ret
mov eax, dword [ebx]
cdq
add dword [edi + 0x40], eax
mov eax, dword [edi + 0x40]
adc dword [edi + 0x44], edx
mov edx, dword [edi + 0x44]
push edx
push eax
push edi
call fcn.004839f0
add esp, 0xc
pop edi
xor eax, eax
pop ebx
ret
movzx ecx, word [esi + 0x40]
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
push eax
inc ecx
and ecx, 0xffff
push ecx
push str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
push edi
call fcn.00482dd0
mov edx, dword [esi + 0x18]
add esp, 0x10
cmp edx, dword [esi + 0x20]
jle 0x4939ec
pop edi
mov dword [esi + 8], 0xffffff9d
mov dword [esi], 3
xor eax, eax
pop ebx
ret
mov eax, dword [esi + 0x148]
mov edx, dword [esi + 0x150]
push eax
mov eax, dword [esi + 0x160]
lea ecx, [esi + 0xc8]
push ecx
mov ecx, dword [esi + 0x14]
push 0
add edx, 4
push edx
push eax
push ecx
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x493a42
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov edx, dword [esi + 0x10]
push eax
push edx
call fcn.004a0630
push eax
push 0x5713f8
push edi
call fcn.00482e60
add esp, 0x14
pop edi
mov eax, 0x37
pop ebx
ret
mov eax, dword [edi + 0x44]
mov ecx, dword [edi + 0x40]
push eax
push ecx
push edi
call fcn.004839f0
add esp, 0xc
pop edi
xor eax, eax
pop ebx
ret
mov dword [esi], 3
mov edx, dword [esi + 0x160]
mov byte [edx], bl
mov eax, dword [esi + 0x160]
mov byte [eax + 1], 5
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]
pop edi
mov dword [esi], 3
xor eax, eax
pop ebx
ret
push ecx
push str.tftp_tx:_internal_error__event:__i
push edi
call fcn.00482e60
add esp, 0xc
xor eax, eax
pop edi
pop ebx
ret