Function at 0x43cb20
Capabilities:
Send data
Send data on socket

Disassembly:
sub esp, 0x14c
mov eax, dword [0x4ad3b0]
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 + 0xd7e], bl
cmovne edi, eax
mov eax, dword [esp + 0x164]
cmp eax, 7
ja case.0x43cb67.1
jmp dword [eax*4 + 0x43cf94]
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
cmp eax, dword [esi + 0x20]
jle 0x43cb8d
mov dword [esi + 8], 0xffffff9e
xor eax, eax
mov dword [esi], 3
jmp 0x43cf7a
mov eax, dword [esi + 0x14c]
cmp byte [ebp + 0xd84], bl
mov byte [eax], bl
mov eax, dword [esi + 0x14c]
je 0x43cbdb
mov byte [eax + 1], 2
mov eax, dword [esi + 0x10]
mov ecx, dword [esi + 0x14c]
add ecx, 4
mov dword [eax + 0x120], ecx
mov edx, dword [ebp + 0xc90]
mov eax, edx
mov ecx, dword [ebp + 0xc94]
and eax, ecx
cmp eax, 0xffffffff
je 0x43cbdf
push ecx
push edx
push ebp
call fcn.004316a0
add esp, 0xc
jmp 0x43cbdf
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 + 0xcbc]
inc eax
push eax
call fcn.0044db70
mov ebx, eax
add esp, 0x14
test ebx, ebx
jne 0x43cf78
mov ecx, dword [esp + 0x10]
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x43cc10
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 0x43cc22
sub edx, dword [esp + 0x14]
mov eax, dword [esi + 0x13c]
sub eax, edx
sub eax, 4
cmp ecx, eax
jbe 0x43cc5e
push str.TFTP_file_name_too_long
push ebp
call fcn.00422a30
push dword [esp + 0x18]
call dword [0x4ad004]
add esp, 0xc
mov eax, 0x47
jmp 0x43cf7a
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.004331a0
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 0x43cc90
sub ecx, edx
lea edx, [edi + 1]
nop dword [eax]
mov al, byte [edi]
inc edi
test al, al
jne 0x43cca0
sub edi, edx
add edi, 4
add edi, ecx
cmp byte [ebp + 0x6b8], al
jne 0x43ced5
cmp byte [ebp + 0xd84], al
je 0x43ccef
mov edx, dword [ebp + 0xc90]
mov eax, edx
mov ecx, dword [ebp + 0xc94]
and eax, ecx
cmp eax, 0xffffffff
je 0x43ccef
push ecx
push edx
push str._I64d
lea eax, [esp + 0x24]
push 0x40
push eax
call fcn.004331a0
add esp, 0x14
jmp 0x43ccf9
mov eax, 0x30
mov word [esp + 0x18], ax
lea ebx, [edi + 6]
cmp ebx, dword [esi + 0x13c]
jbe 0x43cd0b
mov ebx, 0x47
jmp 0x43cd83
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 0x43cd18
lea ecx, [esp + 0x18]
mov edi, ebx
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x43cd30
sub ecx, edx
lea eax, [edi + 1]
add eax, ecx
cmp eax, dword [esi + 0x13c]
jbe 0x43cd4d
mov ebx, 0x47
jmp 0x43cd83
mov ecx, dword [esi + 0x14c]
lea edx, [esp + 0x18]
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 0x43cd60
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x43cd75
sub ecx, edx
inc edi
add edi, ecx
xor ebx, ebx
push dword [esi + 0x140]
lea eax, [esp + 0x1c]
push 0x48e0f4
push 0x40
push eax
call fcn.004331a0
add esp, 0x10
test ebx, ebx
jne 0x43ce33
lea ebx, [edi + 8]
cmp ebx, dword [esi + 0x13c]
jbe 0x43cdb7
mov ebx, 0x47
jmp 0x43ce33
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 0x43cdc4
lea ecx, [esp + 0x18]
mov edi, ebx
lea edx, [ecx + 1]
nop dword [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x43cde0
sub ecx, edx
lea eax, [edi + 1]
add eax, ecx
cmp eax, dword [esi + 0x13c]
jbe 0x43cdfd
mov ebx, 0x47
jmp 0x43ce33
mov ecx, dword [esi + 0x14c]
lea edx, [esp + 0x18]
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 0x43ce10
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x43ce25
sub ecx, edx
inc edi
add edi, ecx
xor ebx, ebx
push dword [esi + 0x1c]
lea eax, [esp + 0x1c]
push 0x48e0f4
push 0x40
push eax
call fcn.004331a0
add esp, 0x10
test ebx, ebx
jne 0x43cf2c
lea ebx, [edi + 8]
cmp ebx, dword [esi + 0x13c]
ja 0x43cf2c
mov ecx, dword [esi + 0x14c]
mov edx, str.timeout
add ecx, edi
nop
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x43ce70
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x43ce85
sub ecx, edx
lea eax, [ebx + 1]
add eax, ecx
cmp eax, dword [esi + 0x13c]
ja 0x43cf2c
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 0x43ceb0
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x43cec5
sub ecx, edx
lea edi, [ebx + 1]
add edi, ecx
xor ebx, ebx
mov eax, dword [ebp + 0x18]
mov eax, dword [eax + 0x44]
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 0x43cf1d
push 0x100
lea eax, [esp + 0x5c]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.00434ce0
push eax
push 0x48db14
push ebp
call fcn.00422a30
add esp, 0x18
push dword [esp + 0x10]
call dword [0x4ad004]
add esp, 4
jmp 0x43cf78
push str.TFTP_buffer_too_small_for_options
jmp 0x43cc41
push 6
push esi
cmp byte [ebp + 0xd84], bl
je 0x43cf59
call fcn.0043c330
mov ebx, eax
jmp 0x43cf75
push 4
push esi
call fcn.0043c330
mov ebx, eax
jmp 0x43cf75
push 3
push esi
call fcn.0043c2f0
mov ebx, eax
jmp 0x43cf75
mov dword [esi], 3
jmp 0x43cf78
push str.tftp_send_first:_internal_error
push ebp
call fcn.00422a30
add esp, 8
mov eax, ebx
mov ecx, dword [esp + 0x158]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00464714
add esp, 0x14c
ret
mov eax, dword [esp + 4]
mov edx, dword [eax]
mov ecx, dword [eax + 0x10]
cmp edx, 3
ja case.default.0x43d0ce
jmp dword [edx*4 + 0x43d120]
mov dword [esp + 4], eax
jmp 0x43cb20
mov dword [esp + 4], eax
jmp fcn.0043c7d0
mov dword [esp + 4], eax
jmp fcn.0043d260
push str.TFTP_finished
push 0x48db14
push ecx
call fcn.00422b00
add esp, 0xc
xor eax, eax
ret
push str.Internal_state_machine_error
push 0x48db14
push ecx
call fcn.00422a30
add esp, 0xc
mov eax, 0x47
ret