Function at 0x4c7870
Capabilities:
Send data
Send data on socket

Disassembly:
sub esp, 0x48
mov eax, dword [0x56b910]
xor eax, esp
mov dword [esp + 0x44], eax
push ebx
push ebp
push esi
mov esi, dword [esp + 0x58]
xor ebp, ebp
push edi
mov ecx, str.octet
mov edi, str.netascii
mov eax, dword [esi + 0x10]
mov ebx, dword [eax]
mov eax, dword [esp + 0x60]
cmp byte [ebx + 0x35b], 0
cmove edi, ecx
cmp eax, 7
ja case.0x4c78ae.1
jmp dword [eax*4 + 0x4c7b84]
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
cmp eax, dword [esi + 0x20]
jle 0x4c78e2
pop edi
mov dword [esi + 8], 0xffffff9e
xor eax, eax
mov dword [esi], 3
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x44]
xor ecx, esp
call fcn.004e1646
add esp, 0x48
ret
mov eax, dword [esi + 0x160]
cmp byte [ebx + 0x369], 0
mov byte [eax], 0
mov eax, dword [esi + 0x160]
je 0x4c7934
mov byte [eax + 1], 2
mov eax, dword [esi + 0x10]
mov ecx, dword [esi + 0x160]
add ecx, 4
mov eax, dword [eax]
mov dword [eax + 0x128], ecx
mov edx, dword [ebx + 0x48d8]
mov eax, edx
mov ecx, dword [ebx + 0x48dc]
and eax, ecx
cmp eax, 0xffffffff
je 0x4c7938
push ecx
push edx
push ebx
call fcn.004bf1e0
add esp, 0xc
jmp 0x4c7938
mov byte [eax + 1], 1
push 0
push 0
lea eax, [esp + 0x18]
push eax
mov eax, dword [esi + 0x10]
push 0
mov eax, dword [eax]
mov eax, dword [eax + 0x48b4]
inc eax
push eax
push ebx
call fcn.004d4150
mov ebp, eax
add esp, 0x18
test ebp, ebp
jne 0x4c7b6c
push eax
push edi
push eax
push dword [esp + 0x1c]
mov eax, dword [esi + 0x160]
push str._s_c_s_c
push dword [esi + 0x154]
add eax, 2
push eax
call fcn.004b7160
mov ecx, dword [esp + 0x2c]
add esp, 0x1c
lea edx, [ecx + 1]
mov edi, edi
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c7990
sub ecx, edx
lea edx, [edi + 1]
lea esp, [esp]
mov al, byte [edi]
inc edi
test al, al
jne 0x4c79a0
sub edi, edx
add edi, 4
add edi, ecx
cmp byte [ebx + 0x1fc], al
jne 0x4c7ab4
cmp byte [ebx + 0x369], al
je 0x4c79ef
mov edx, dword [ebx + 0x48d8]
mov eax, edx
mov ecx, dword [ebx + 0x48dc]
and eax, ecx
cmp eax, 0xffffffff
je 0x4c79ef
push ecx
push edx
push 0x54f0a8
lea eax, [esp + 0x20]
push 0x40
push eax
call fcn.004b7160
add esp, 0x14
jmp 0x4c79f9
mov eax, 0x30
mov word [esp + 0x14], ax
mov eax, dword [esi + 0x160]
push str.tsize
add eax, edi
push eax
push edi
push esi
call fcn.004c7110
add edi, eax
lea eax, [esp + 0x24]
push eax
mov eax, dword [esi + 0x160]
add eax, edi
push eax
push edi
push esi
call fcn.004c7110
push dword [esi + 0x158]
add edi, eax
lea eax, [esp + 0x38]
push 0x54b4f8
push 0x40
push eax
call fcn.004b7160
mov eax, dword [esi + 0x160]
push str.blksize
add eax, edi
push eax
push edi
push esi
call fcn.004c7110
add esp, 0x40
add edi, eax
lea eax, [esp + 0x14]
push eax
mov eax, dword [esi + 0x160]
add eax, edi
push eax
push edi
push esi
call fcn.004c7110
push dword [esi + 0x1c]
add edi, eax
lea eax, [esp + 0x28]
push 0x54b4f8
push 0x40
push eax
call fcn.004b7160
mov eax, dword [esi + 0x160]
push str.timeout
add eax, edi
push eax
push edi
push esi
call fcn.004c7110
add edi, eax
lea eax, [esp + 0x44]
push eax
mov eax, dword [esi + 0x160]
add eax, edi
push eax
push edi
push esi
call fcn.004c7110
add esp, 0x40
add edi, eax
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 0x54]
push dword [eax + 0x10]
push dword [eax + 0x18]
push 0
push edi
push dword [esi + 0x160]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
cmp eax, edi
je 0x4c7af4
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push dword [esi + 0x10]
call fcn.004a59c0
push eax
push 0x535684
push ebx
call fcn.004b4cd0
add esp, 0x14
push dword [esp + 0x10]
call dword [0x56b304]
add esp, 4
mov eax, ebp
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x44]
xor ecx, esp
call fcn.004e1646
add esp, 0x48
ret
cmp byte [ebx + 0x369], 0
push 6
push esi
je 0x4c7b3a
call fcn.004c70d0
mov ebp, eax
jmp 0x4c7b69
push 4
push esi
call fcn.004c70d0
mov ebp, eax
jmp 0x4c7b69
push 3
push esi
call fcn.004c7090
mov ebp, eax
jmp 0x4c7b69
pop edi
mov dword [esi], 3
mov eax, ebp
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x44]
xor ecx, esp
call fcn.004e1646
add esp, 0x48
ret
push str.tftp_send_first:_internal_error
push ebx
call fcn.004b4cd0
add esp, 8
mov ecx, dword [esp + 0x54]
mov eax, ebp
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004e1646
add esp, 0x48
ret
mov ecx, dword [esp + 4]
mov eax, dword [ecx + 0x10]
mov edx, dword [ecx]
mov eax, dword [eax]
cmp edx, 3
ja case.default.0x4c7d30
jmp dword [edx*4 + 0x4c7d84]
mov dword [esp + 4], ecx
jmp 0x4c7870
mov dword [esp + 4], ecx
jmp fcn.004c75e0
mov dword [esp + 4], ecx
jmp fcn.004c7f30
push str.TFTP_finished
push 0x531450
push eax
call fcn.004b4df0
add esp, 0xc
xor eax, eax
ret
push str.Internal_state_machine_error
push 0x535684
push eax
call fcn.004b4cd0
add esp, 0xc
mov eax, 0x47
ret