2013-06-24 21:33:16 +02:00
|
|
|
server_parser:
|
|
|
|
|
|
|
|
|
|
; Commands are always 3 numbers and followed by a space
|
|
|
|
|
; If a server decides it needs multiline output,
|
|
|
|
|
; first lines will have a dash instead of space after numbers,
|
|
|
|
|
; thus they are simply ignored.
|
|
|
|
|
|
|
|
|
|
cmp dword[s], "150 "
|
|
|
|
|
je data_ok
|
|
|
|
|
|
|
|
|
|
cmp dword[s], "220 "
|
|
|
|
|
je welcome
|
|
|
|
|
|
|
|
|
|
cmp dword[s], "227 "
|
|
|
|
|
je pasv_ok
|
|
|
|
|
|
|
|
|
|
cmp dword[s], "230 "
|
|
|
|
|
je login_ok
|
|
|
|
|
|
|
|
|
|
cmp dword[s], "331 "
|
|
|
|
|
je pass
|
|
|
|
|
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
welcome:
|
|
|
|
|
|
|
|
|
|
mov [status], STATUS_CONNECTED
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
pass:
|
|
|
|
|
|
|
|
|
|
mov [status], STATUS_NEEDPASSWORD
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
login_ok:
|
|
|
|
|
|
|
|
|
|
mov [status], STATUS_LOGGED_IN
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
pasv_ok:
|
|
|
|
|
|
|
|
|
|
sub ecx, 5
|
|
|
|
|
jb .fail
|
|
|
|
|
mov al, "("
|
|
|
|
|
mov edi, s + 5
|
|
|
|
|
repne scasb
|
|
|
|
|
|
|
|
|
|
mcall socket, AF_INET4, SOCK_STREAM, 0
|
|
|
|
|
cmp eax, -1
|
|
|
|
|
je fail
|
|
|
|
|
mov [datasocket], eax
|
|
|
|
|
|
|
|
|
|
mov esi, edi
|
|
|
|
|
call ascii_dec
|
|
|
|
|
mov byte[sockaddr2.ip+0], bl
|
|
|
|
|
call ascii_dec
|
|
|
|
|
mov byte[sockaddr2.ip+1], bl
|
|
|
|
|
call ascii_dec
|
|
|
|
|
mov byte[sockaddr2.ip+2], bl
|
|
|
|
|
call ascii_dec
|
|
|
|
|
mov byte[sockaddr2.ip+3], bl
|
|
|
|
|
|
|
|
|
|
call ascii_dec
|
|
|
|
|
mov byte[sockaddr2.port+1], bl
|
|
|
|
|
call ascii_dec
|
|
|
|
|
mov byte[sockaddr2.port+0], bl
|
|
|
|
|
|
|
|
|
|
push str_open
|
|
|
|
|
call [con_write_asciiz]
|
|
|
|
|
|
|
|
|
|
mcall connect, [datasocket], sockaddr2, 18
|
|
|
|
|
|
|
|
|
|
.fail:
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
data_ok:
|
|
|
|
|
|
2013-06-25 22:02:56 +02:00
|
|
|
mcall recv, [datasocket], buffer_ptr, BUFFERSIZE, MSG_DONTWAIT ; fixme: use other buffer
|
2013-06-24 21:33:16 +02:00
|
|
|
inc eax
|
|
|
|
|
jz .fail
|
|
|
|
|
dec eax
|
|
|
|
|
jz .fail
|
|
|
|
|
|
|
|
|
|
mov byte[buffer_ptr + eax], 0
|
|
|
|
|
pushd buffer_ptr
|
|
|
|
|
call [con_write_asciiz]
|
|
|
|
|
|
|
|
|
|
.fail:
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ascii_dec:
|
|
|
|
|
|
|
|
|
|
xor ebx, ebx
|
|
|
|
|
mov cl, 3
|
|
|
|
|
.loop:
|
|
|
|
|
lodsb
|
|
|
|
|
sub al, '0'
|
|
|
|
|
jb .done
|
|
|
|
|
cmp al, 9
|
|
|
|
|
ja .done
|
|
|
|
|
lea ebx, [ebx*4+ebx]
|
|
|
|
|
shl ebx, 1
|
|
|
|
|
add bl, al
|
|
|
|
|
dec cl
|
|
|
|
|
jnz .loop
|
|
|
|
|
|
|
|
|
|
.done:
|
|
|
|
|
ret
|
