Function at 0x437d70
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.0x437d89
jmp dword [eax*4 + 0x4380c4]
cmp ecx, 4
jne 0x437e6d
lea eax, [esi + 0x15c]
call fcn.00437810
movzx edx, word [esi + 0x40]
movzx eax, ax
mov ecx, edx
cmp eax, ecx
je 0x437e5b
test dx, dx
jne 0x437dc5
cmp eax, 0xffff
je 0x437e5b
push ecx
push eax
push str.Received_ACK_for_block__d__expecting__d_n
push edi
call fcn.0041e1f0
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
add esp, 0x10
cmp eax, dword [esi + 0x20]
jle 0x437e00
movzx ecx, word [esi + 0x40]
push ecx
push str.tftp_tx:_giving_up_waiting_for_block__d_ack
push edi
call fcn.0041e270
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 0x437e53
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ecx, dword [esi + 0x10]
push eax
push ecx
call fcn.0042b910
push eax
push 0x5f9154
push edi
call fcn.0041e270
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.0055fc62
add esp, 4
inc word [esi + 0x40]
jmp 0x437e76
mov eax, 1
mov word [esi + 0x40], ax
mov eax, 3
lea ecx, [esi + 0x160]
mov dword [esi + 0x18], ebx
call fcn.004377c0
mov ax, word [esi + 0x40]
lea ecx, [esi + 0x160]
call fcn.004377e0
cmp word [esi + 0x40], 1
jbe 0x437eb1
mov ecx, dword [esi + 0x150]
cmp ecx, dword [esi + 0x154]
jl 0x43809e
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 + 0x130], edx
jmp 0x437ed0
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.00448070
add esp, 0xc
test eax, eax
jne 0x4380bd
mov ecx, dword [ebp - 4]
add dword [esi + 0x150], ecx
mov edx, dword [esi + 0x10]
mov eax, dword [edx]
add dword [eax + 0x130], ecx
mov eax, dword [esi + 0x150]
cmp eax, dword [esi + 0x154]
jge 0x437f1c
cmp dword [ebp - 4], ebx
jne 0x437ed0
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 0x437f6f
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
mov eax, dword [esi + 0x10]
push eax
call fcn.0042b910
push eax
push 0x5f9154
push edi
call fcn.0041e270
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 + 0x98], eax
adc dword [edi + 0x9c], edx
mov ecx, dword [edi + 0x9c]
mov edx, dword [edi + 0x98]
push ecx
push edx
push edi
call fcn.0042fe40
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.0041e1f0
mov ecx, dword [esi + 0x18]
add esp, 0x10
cmp ecx, dword [esi + 0x20]
jle 0x437fde
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 0x438037
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ecx, dword [esi + 0x10]
push eax
push ecx
call fcn.0042b910
push eax
push 0x5f9154
push edi
call fcn.0041e270
add esp, 0x14
pop edi
mov eax, 0x37
pop ebx
mov esp, ebp
pop ebp
ret
mov edx, dword [edi + 0x9c]
mov eax, dword [edi + 0x98]
push edx
push eax
push edi
call fcn.0042fe40
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.004377c0
mov ax, word [esi + 0x40]
lea ecx, [esi + 0x160]
call fcn.004377e0
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.0041e270
add esp, 0xc
xor eax, eax
pop edi
pop ebx
mov esp, ebp
pop ebp
ret