Function at 0x671ed0
Capabilities:
Send data
Send data on socket

Disassembly:
sub esp, 0x14c
mov eax, dword [0x7c2580]
xor eax, esp
mov dword [esp + 0x148], eax
push ebx
push ebp
push esi
mov esi, dword [esp + 0x15c]
xor ebx, ebx
push edi
mov eax, str.netascii
mov edi, str.octet
mov ebp, dword [esi + 0x10]
cmp byte [ebp + 0xcf4], bl
cmovne edi, eax
mov eax, dword [esp + 0x164]
cmp eax, 7
ja case.0x671977.1
jmp dword [eax*4 + 0x671da8]
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
cmp eax, dword [esi + 0x20]
jle 0x67199d
mov dword [esi + 8], 0xffffff9e
xor eax, eax
mov dword [esi], 3
jmp 0x671d8d
mov eax, dword [esi + 0x14c]
cmp byte [ebp + 0xcf9], bl
mov byte [eax], bl
mov eax, dword [esi + 0x14c]
je 0x6719d9
mov byte [eax + 1], 2
mov edx, dword [ebp + 0xc00]
mov eax, edx
mov ecx, dword [ebp + 0xc04]
and eax, ecx
cmp eax, 0xffffffff
je 0x6719dd
push ecx
push edx
push ebp
call fcn.00667e70
add esp, 0xc
jmp 0x6719dd
mov byte [eax + 1], 1
push 4
push 0
lea eax, [esp + 0x18]
push eax
mov eax, dword [esi + 0x10]
push 0
mov eax, dword [eax + 0xc2c]
inc eax
push eax
call fcn.0065e8d0
mov ebx, eax
add esp, 0x14
test ebx, ebx
jne 0x671d8b
mov ecx, dword [esp + 0x10]
lea edx, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x671a10
sub ecx, edx
mov edx, edi
lea eax, [edx + 1]
mov dword [esp + 0x14], eax
mov al, byte [edx]
inc edx
test al, al
jne 0x671a22
sub edx, dword [esp + 0x14]
mov eax, dword [esi + 0x13c]
sub eax, edx
sub eax, 4
cmp ecx, eax
jbe 0x671a5e
push str.TFTP_file_name_too_long
push ebp
call fcn.00656dd0
push dword [esp + 0x18]
call dword [0x7c1ff4]
add esp, 0xc
mov eax, 0x47
jmp 0x671d8d
mov eax, dword [esi + 0x14c]
push 0
push edi
push 0
push dword [esp + 0x1c]
add eax, 2
push str._s_c_s_c
push dword [esi + 0x13c]
push eax
call fcn.0065c1f0
mov ecx, dword [esp + 0x2c]
add esp, 0x1c
lea edx, [ecx + 1]
nop dword [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x671a90
sub ecx, edx
lea edx, [edi + 1]
nop dword [eax]
mov al, byte [edi]
inc edi
test al, al
jne 0x671aa0
sub edi, edx
add edi, 4
add edi, ecx
cmp byte [ebp + 0x670], al
jne 0x671cf5
cmp byte [ebp + 0xcf9], al
je 0x671aef
mov edx, dword [ebp + 0xc00]
mov eax, edx
mov ecx, dword [ebp + 0xc04]
and eax, ecx
cmp eax, 0xffffffff
je 0x671aef
push ecx
push edx
push str._lld
lea eax, [esp + 0x24]
push 0x40
push eax
call fcn.0065c1f0
add esp, 0x14
jmp 0x671af9
mov eax, 0x30
mov word [esp + 0x18], ax
lea ebx, [edi + 6]
cmp ebx, dword [esi + 0x13c]
ja 0x671b3c
mov ecx, dword [esi + 0x14c]
mov edx, str.tsize
add ecx, edi
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x671b11
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x671b26
sub ecx, edx
lea eax, [ecx + 1]
add eax, ebx
cmp eax, dword [esi + 0x13c]
jbe 0x671b74
push dword [esi + 0x140]
lea eax, [esp + 0x1c]
push 0x7357e4
push 0x40
push eax
call fcn.0065c1f0
push dword [esi + 0x1c]
lea eax, [esp + 0x2c]
push 0x7357e4
push 0x40
push eax
call fcn.0065c1f0
add esp, 0x20
push str.TFTP_buffer_too_small_for_options
jmp 0x671a41
mov ecx, dword [esi + 0x14c]
lea edx, [esp + 0x18]
add ecx, ebx
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x671b80
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x671b95
push dword [esi + 0x140]
sub ecx, edx
lea eax, [esp + 0x1c]
push 0x7357e4
push 0x40
push eax
lea edi, [ecx + 1]
add edi, ebx
call fcn.0065c1f0
lea ebx, [edi + 8]
add esp, 0x10
cmp ebx, dword [esi + 0x13c]
ja 0x671c06
mov ecx, dword [esi + 0x14c]
mov edx, str.blksize
add ecx, edi
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x671bd5
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
nop word [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x671bf0
sub ecx, edx
lea eax, [ecx + 1]
add eax, ebx
cmp eax, dword [esi + 0x13c]
jbe 0x671c27
push dword [esi + 0x1c]
lea eax, [esp + 0x1c]
push 0x7357e4
push 0x40
push eax
call fcn.0065c1f0
add esp, 0x10
push str.TFTP_buffer_too_small_for_options
jmp 0x671a41
mov ecx, dword [esi + 0x14c]
lea edx, [esp + 0x18]
add ecx, ebx
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x671c33
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x671c48
push dword [esi + 0x1c]
sub ecx, edx
lea eax, [esp + 0x1c]
push 0x7357e4
push 0x40
push eax
lea edi, [ecx + 1]
add edi, ebx
call fcn.0065c1f0
lea ebx, [edi + 8]
add esp, 0x10
cmp ebx, dword [esi + 0x13c]
ja 0x671b6a
mov ecx, dword [esi + 0x14c]
mov edx, str.timeout
add ecx, edi
nop dword [eax]
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x671c90
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x671ca5
sub ecx, edx
lea eax, [ebx + 1]
add eax, ecx
cmp eax, dword [esi + 0x13c]
ja 0x671b6a
mov ecx, dword [esi + 0x14c]
lea edx, [esp + 0x18]
add ecx, ebx
nop dword [eax + eax]
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x671cd0
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x671ce5
sub ecx, edx
lea edi, [ebx + 1]
add edi, ecx
xor ebx, ebx
mov eax, dword [ebp + 0x18]
mov eax, dword [eax + 0x24]
push dword [eax + 0xc]
add eax, 0x10
push eax
push 0
push edi
push dword [esi + 0x14c]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
cmp eax, edi
je 0x671d3d
push 0x100
lea eax, [esp + 0x5c]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.00641860
push eax
push 0x7b2d74
push ebp
call fcn.00656dd0
add esp, 0x18
push dword [esp + 0x10]
call dword [0x7c1ff4]
add esp, 4
jmp 0x671d8b
push eax
push esi
cmp byte [ebp + 0xcf9], bl
je 0x671d6c
call fcn.00671160
mov ebx, eax
jmp 0x671d88
push eax
push esi
call fcn.00671160
mov ebx, eax
jmp 0x671d88
push eax
push esi
call fcn.00671120
mov ebx, eax
jmp 0x671d88
mov dword [esi], 3
jmp 0x671d8b
push str.tftp_send_first:_internal_error
push ebp
call fcn.00656dd0
add esp, 8
mov eax, ebx
mov ecx, dword [esp + 0x158]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.006d66cb
add esp, 0x14c
ret
mov eax, dword [esp + 4]
mov edx, dword [eax]
mov ecx, dword [eax + 0x10]
cmp edx, 3
ja case.default.0x671ede
jmp dword [edx*4 + 0x671f30]
mov dword [esp + 4], eax
jmp 0x671930
mov dword [esp + 4], eax
jmp fcn.006715e0
mov dword [esp + 4], eax
jmp fcn.00672070
push str.TFTP_finished
push 0x7b2d74
push ecx
call fcn.00656ea0
add esp, 0xc
xor eax, eax
ret
push str.Internal_state_machine_error
push 0x7b2d74
push ecx
call fcn.00656dd0
add esp, 0xc
mov eax, 0x47
ret