Function at 0x559520
Capabilities:
Send data
Send data on socket

Disassembly:
sub esp, 0x14c
mov eax, dword [0x7f9c40]
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 + 0xd3c], bl
cmovne edi, eax
mov eax, dword [esp + 0x164]
cmp eax, 7
ja case.0x558f97.1
jmp dword [eax*4 + 0x5593e4]
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
cmp eax, dword [esi + 0x20]
jle 0x558fbd
mov dword [esi + 8], 0xffffff9e
xor eax, eax
mov dword [esi], 3
jmp 0x5593c9
mov eax, dword [esi + 0x14c]
cmp byte [ebp + 0xd41], bl
mov byte [eax], bl
mov eax, dword [esi + 0x14c]
je 0x558ff9
mov byte [eax + 1], 2
mov edx, dword [ebp + 0xc48]
mov eax, edx
mov ecx, dword [ebp + 0xc4c]
and eax, ecx
cmp eax, 0xffffffff
je 0x558ffd
push ecx
push edx
push ebp
call fcn.0053e810
add esp, 0xc
jmp 0x558ffd
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 + 0xc74]
inc eax
push eax
call fcn.00533a80
mov ebx, eax
add esp, 0x14
test ebx, ebx
jne 0x5593c7
mov ecx, dword [esp + 0x10]
lea edx, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x559030
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 0x559042
sub edx, dword [esp + 0x14]
mov eax, dword [esi + 0x13c]
sub eax, edx
sub eax, 4
cmp ecx, eax
jbe 0x55907e
push str.TFTP_file_name_too_long
push ebp
call fcn.0052b8c0
push dword [esp + 0x18]
call dword [0x7f5650]
add esp, 0xc
mov eax, 0x47
jmp 0x5593c9
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.005354a0
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 0x5590b0
sub ecx, edx
lea edx, [edi + 1]
nop dword [eax]
mov al, byte [edi]
inc edi
test al, al
jne 0x5590c0
sub edi, edx
add edi, 4
add edi, ecx
cmp byte [ebp + 0x69c], al
jne 0x559331
cmp byte [ebp + 0xd41], al
je 0x55910f
mov edx, dword [ebp + 0xc48]
mov eax, edx
mov ecx, dword [ebp + 0xc4c]
and eax, ecx
cmp eax, 0xffffffff
je 0x55910f
push ecx
push edx
push str._lld
lea eax, [esp + 0x24]
push 0x40
push eax
call fcn.005354a0
add esp, 0x14
jmp 0x559119
mov eax, 0x30
mov word [esp + 0x18], ax
lea ebx, [edi + 6]
cmp ebx, dword [esi + 0x13c]
jbe 0x55915c
push dword [esi + 0x140]
lea eax, [esp + 0x1c]
push 0x72bef4
push 0x40
push eax
call fcn.005354a0
push dword [esi + 0x1c]
lea eax, [esp + 0x2c]
push 0x72bef4
push 0x40
push eax
call fcn.005354a0
add esp, 0x20
push str.TFTP_buffer_too_small_for_options
jmp 0x559061
mov ecx, dword [esi + 0x14c]
mov edx, str.tsize
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 0x559170
lea ecx, [esp + 0x18]
mov edi, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x559187
sub ecx, edx
lea eax, [ecx + 1]
add eax, edi
cmp eax, dword [esi + 0x13c]
jbe 0x5591a4
mov ebx, 0x47
jmp 0x5591d3
mov ecx, dword [esi + 0x14c]
lea edx, [esp + 0x18]
add ecx, edi
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x5591b0
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x5591c5
sub ecx, edx
inc edi
add edi, ecx
xor ebx, ebx
push dword [esi + 0x140]
lea eax, [esp + 0x1c]
push 0x72bef4
push 0x40
push eax
call fcn.005354a0
add esp, 0x10
test ebx, ebx
jne 0x559283
lea ebx, [edi + 8]
cmp ebx, dword [esi + 0x13c]
jbe 0x559207
mov ebx, 0x47
jmp 0x559226
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 0x559214
mov edi, ebx
xor ebx, ebx
test ebx, ebx
jne 0x559283
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x559231
sub ecx, edx
lea eax, [ecx + 1]
add eax, edi
cmp eax, dword [esi + 0x13c]
jbe 0x55924e
mov ebx, 0x47
jmp 0x559283
mov ecx, dword [esi + 0x14c]
lea edx, [esp + 0x18]
add ecx, edi
nop word [eax + eax]
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x559260
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x559275
sub ecx, edx
inc edi
add edi, ecx
xor ebx, ebx
push dword [esi + 0x1c]
lea eax, [esp + 0x1c]
push 0x72bef4
push 0x40
push eax
call fcn.005354a0
add esp, 0x10
test ebx, ebx
jne 0x559327
lea ebx, [edi + 8]
cmp ebx, dword [esi + 0x13c]
ja 0x559327
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 0x5592c0
lea ecx, [esp + 0x18]
mov edi, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x5592d7
sub ecx, edx
lea eax, [ecx + 1]
add eax, edi
cmp eax, dword [esi + 0x13c]
jbe 0x5592f4
mov ebx, 0x47
jmp 0x559323
mov ecx, dword [esi + 0x14c]
lea edx, [esp + 0x18]
add ecx, edi
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x559300
lea ecx, [esp + 0x18]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x559315
sub ecx, edx
inc edi
add edi, ecx
xor ebx, ebx
test ebx, ebx
je 0x559331
push str.TFTP_buffer_too_small_for_options
jmp 0x559061
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 0x559379
push 0x100
lea eax, [esp + 0x5c]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.00540440
push eax
push 0x71ab20
push ebp
call fcn.0052b8c0
add esp, 0x18
push dword [esp + 0x10]
call dword [0x7f5650]
add esp, 4
jmp 0x5593c7
push eax
push esi
cmp byte [ebp + 0xd41], bl
je 0x5593a8
call fcn.005587a0
mov ebx, eax
jmp 0x5593c4
push eax
push esi
call fcn.005587a0
mov ebx, eax
jmp 0x5593c4
push eax
push esi
call fcn.00558760
mov ebx, eax
jmp 0x5593c4
mov dword [esi], 3
jmp 0x5593c7
push str.tftp_send_first:_internal_error
push ebp
call fcn.0052b8c0
add esp, 8
mov eax, ebx
mov ecx, dword [esp + 0x158]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.006def69
add esp, 0x14c
ret
mov eax, dword [esp + 4]
mov edx, dword [eax]
mov ecx, dword [eax + 0x10]
cmp edx, 3
ja case.default.0x55952e
jmp dword [edx*4 + 0x559580]
mov dword [esp + 4], eax
jmp 0x558f50
mov dword [esp + 4], eax
jmp fcn.00558c20
mov dword [esp + 4], eax
jmp fcn.005596c0
push str.TFTP_finished
push 0x71ab20
push ecx
call fcn.0052b990
add esp, 0xc
xor eax, eax
ret
push str.Internal_state_machine_error
push 0x71ab20
push ecx
call fcn.0052b8c0
add esp, 0xc
mov eax, 0x47
ret