;
; Kolibrios FTP Daemon
;
; hidnplayr@gmail.com
;
; GPLv2
;
BUFFERSIZE = 4096
STATE_DISCONNECTED = 0
STATE_CONNECTED = 1
STATE_LOGIN = 2
STATE_ACTIVE = 3
TYPE_UNDEF = 0
TYPE_ASCII = 00000100b
TYPE_EBDIC = 00001000b
; subtypes for ascii & ebdic (np = default)
TYPE_NP = 00000001b ; non printable
TYPE_TELNET = 00000010b
TYPE_ASA = 00000011b
TYPE_IMAGE = 01000000b ; binary data
TYPE_LOCAL = 10000000b ; bits per byte must be specified
; lower 4 bits will hold this value
MODE_NOTREADY = 0
MODE_ACTIVE = 1
MODE_PASSIVE_WAIT = 2
MODE_PASSIVE_OK = 3
use32
db 'MENUET01' ; signature
dd 1 ; header version
dd start ; entry point
dd i_end ; initialized size
dd mem+0x1000 ; required memory
dd mem+0x1000 ; stack pointer
dd 0 ; parameters
dd path ; path
include '../macros.inc'
purge mov,add,sub
include '../proc32.inc'
include '../dll.inc'
include '../struct.inc'
include '../libio.inc'
include '../network.inc'
include 'commands.inc'
align 4
start:
; load libraries
stdcall dll.Load, @IMPORT
test eax, eax
jnz exit
; find path to main settings file
mov edi, path ; Calculate the length of zero-terminated string
xor al , al
mov ecx, 1024
repne scasb
dec edi
mov esi, filename
movsd
movsb
; initialize console
push 1
call [con_start]
push title
push -1
push -1
push -1
push -1
call [con_init]
mcall 40, 1 shl 7 ; we only want network events
invoke ini.get_int, path, str_ftpd, str_port, 21
mov [sockaddr1.port], ax
push eax
push str1
call [con_printf]
mcall socket, AF_INET4, SOCK_STREAM, 0
cmp eax, -1
je sock_err
mov [socketnum], eax
push str2
call [con_write_asciiz]
;; mcall setsockopt, [socketnum], SOL_SOCKET, SO_REUSEADDR, &yes,
;; cmp eax, -1
;; je opt_err
mcall bind, [socketnum], sockaddr1, sockaddr1.length
cmp eax, -1
je bind_err
push str2
call [con_write_asciiz]
invoke ini.get_int, path, str_ftpd, str_conn, 1 ; Backlog (max connections)
mov edx, eax
push str2
call [con_write_asciiz]
mcall listen, [socketnum]
cmp eax, -1
je listen_err
push str2b
call [con_write_asciiz]
mcall 10
mcall accept, [socketnum], sockaddr1, sockaddr1.length
cmp eax, -1
je acpt_err
mov [socketnum2], eax
mcall send, [socketnum2], str220, str220.length, 0 ; send welcome string
.loop:
mcall 10
cmp [mode], MODE_PASSIVE_WAIT
jne @f
mcall accept, [passivesocknum], datasock, datasock.length
cmp eax, -1
je @f
mov [datasocketnum], eax
mov [mode], MODE_PASSIVE_OK
push str_datasock
call [con_write_asciiz]
@@:
mcall recv, [socketnum2], buffer, buffer.length
cmp eax, -1
je .loop
or eax, eax
jz .loop
push eax
mov byte[buffer+eax], 0
pushd 0x0a
call [con_set_flags]
push buffer
call [con_write_asciiz]
pushd 0x07
call [con_set_flags]
pop ecx
mov esi, buffer
call parse_cmd
jmp .loop
acpt_err:
pushd 0x0c
call [con_set_flags]
push str8
call [con_write_asciiz]
jmp done
listen_err:
pushd 0x0c
call [con_set_flags]
push str3
call [con_write_asciiz]
jmp done
bind_err:
pushd 0x0c
call [con_set_flags]
push str4
call [con_write_asciiz]
jmp done
sock_err:
pushd 0x0c
call [con_set_flags]
push str6
call [con_write_asciiz]
jmp done
done:
call [con_getch2]
push 1
call [con_exit]
exit:
mcall -1
; data
title db 'KolibriOS FTP daemon 0.1', 0
str1 db 'Starting FTP daemon on port %u', 0
str2 db '.', 0
str2b db ' OK!',10,10,0
str3 db 'Listen error',10,10,0
str4 db 'Bind error',10,10,0
str5 db 'Setsockopt error.',10,10,0
str6 db 'Could not open socket',10,10,0
str7 db 'Got data!',10,10,0
str8 db 'Error accepting connection',10,10,0
str_logged_in db 'Login ok',10,10,0
str_pass_ok db 'Password ok - Logged in',10,10,0
str_pwd db 'Current directory is "%s"\n',0
str_err1 db 'ERROR: cannot connect to remote socket',10,10,0
str_err2 db 'ERROR: cannot open directory',10,10,0
str_datasock db 'Passive data socket connected!',10,10,0
str_mask db '*', 0
months:
dd 'Jan ','Feb ','Mar ','Apr ','May ','Jun '
dd 'Jul ','Aug ','Sep ','Oct ','Nov ','Dec '
filename db '.ini', 0
str_port db 'port', 0
str_ftpd db 'ftpd', 0
str_conn db 'conn', 0
sockaddr1:
dw AF_INET4
.port dw 21
.ip dd 0
rb 10
.length = $ - sockaddr1
; import
align 4
@IMPORT:
library console, 'console.obj', \
libini, 'libini.obj', \
libio, 'libio.obj'
import console, \
con_start, 'START', \
con_init, 'con_init', \
con_write_asciiz, 'con_write_asciiz', \
con_exit, 'con_exit', \
con_gets, 'con_gets',\
con_cls, 'con_cls',\
con_printf, 'con_printf',\
con_getch2, 'con_getch2',\
con_set_cursor_pos, 'con_set_cursor_pos',\
con_set_flags, 'con_set_flags'
import libini, \
ini.get_str, 'ini_get_str',\
ini.get_int, 'ini_get_int'
import libio, \
libio.init , 'lib_init' , \
file.size , 'file_size' , \
file.open , 'file_open' , \
file.read , 'file_read' , \
file.close , 'file_close' , \
file.find.first , 'file_find_first', \
file.find.next , 'file_find_next', \
file.find.close , 'file_find_close'
i_end:
socketnum dd ?
; thread specific data
socketnum2 dd ?
state dd ?
home_dir db '/rd/1/', 0
rb 1024
work_dir rb 1024
fpath rb 2048
type db ?
mode db ? ; active/passive
passivesocknum dd ?
datasocketnum dd ?
datasock:
dw AF_INET4
.port dw ?
.ip dd ?
rb 10
.length = $ - datasock
buffer rb BUFFERSIZE
.length = $ - buffer
path rb 1024
mem: