;
; Kolibrios FTP Daemon
;
; hidnplayr@gmail.com
;
; GPLv2
;
BUFFERSIZE = 8192
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
format binary as ""
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 params ; 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
mcall 68, 11 ; init heap
; 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 ; append it with '.ini'
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]
mainloop:
mcall 10 ; Wait here for incoming connections on the base socket (socketnum)
mcall 51, 1, threadstart, 0 ; Start a new thread for every incoming connection
; NOTE: upon initialisation of the thread, stack will not be available!
jmp mainloop
diff16 "threadstart", 0, $
threadstart:
mcall 68, 12, sizeof.thread_data ; allocate the thread data struct
cmp eax, -1
je exit
lea esp, [eax + thread_data.stack] ; init stack
push eax ; save pointer to thread_data on stack
mcall 40, 1 shl 7 ; we only want network events for this thread
pushd 0x03
call [con_set_flags]
push str8
call [con_write_asciiz] ; print on the console that we have created the new thread successfully
pushd 0x07
call [con_set_flags]
mcall accept, [socketnum], sockaddr1, sockaddr1.length ; time to accept the awaiting connection..
cmp eax, -1
je thread_exit
mov edx, [esp] ; pointer to thread_data
mov [edx + thread_data.socketnum], eax
mcall send, [edx + thread_data.socketnum], str220, str220.length, 0 ; send welcome string to the FTP client
threadloop:
mcall 10
mov edx, [esp] ; pointer to thread_data
cmp [edx + thread_data.mode], MODE_PASSIVE_WAIT
jne @f
mov ecx, [edx + thread_data.passivesocknum]
lea edx, [edx + thread_data.datasock]
mov esi, sizeof.thread_data.datasock
mcall accept
mov edx, [esp] ; pointer to thread_data
cmp eax, -1
je @f
mov [edx + thread_data.datasocketnum], eax
mov [edx + thread_data.mode], MODE_PASSIVE_OK
push str_datasock
call [con_write_asciiz] ; print on the console that the datasock is now ready
@@:
mov ecx, [edx + thread_data.socketnum]
lea edx, [edx + thread_data.buffer]
mov esi, sizeof.thread_data.buffer
mcall recv
cmp eax, -1 ; error?
je threadloop
or eax, eax ; 0 bytes read?
jz threadloop
push eax ; save number of bytes read on stack
mov edx, [esp+4] ; pointer to thread_data
mov byte [edx + thread_data.buffer + eax], 0 ; append received data with a 0 byte
pushd 0x02 ; print received data to console (in green color)
call [con_set_flags]
push str_newline
call [con_write_asciiz]
lea eax, [edx + thread_data.buffer]
push eax
call [con_write_asciiz]
pushd 0x07
call [con_set_flags]
pop ecx ; number of bytes read
lea esi, [edx + thread_data.buffer]
call parse_cmd
jmp threadloop
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
thread_exit:
push str_bye
call [con_write_asciiz] ; say bye bye
pop ecx ; get the thread_data pointer from stack
mcall 68, 13 ; free the memory
mcall -1 ; and kill the thread
; initialized data
title db 'KolibriOS FTP daemon 0.1', 0
str1 db 'Starting FTP daemon on port %u', 0
str2 db '.', 0
str2b db ' OK!',10,0
str3 db 'Listen error',10,0
str4 db 'Bind error',10,0
;str5 db 'Setsockopt error.',10,10,0
str6 db 'Could not open socket',10,0
str7 db 'Got data!',10,10,0
str8 db 10,'New thread created!',10,0
str_bye db 10,'Closing thread!',10,0
str_logged_in db 'Login ok',10,0
str_pass_ok db 'Password ok - Logged in',10,0
str_pwd db 'Current directory is "%s"\n',0
str_err2 db 'ERROR: cannot open directory',10,0
str_datasock db 'Passive data socket connected!',10,0
str_notfound db 'ERROR: file not found',10,0
str_sockerr db 'ERROR: socket error',10,0
str_newline db 10, 0
str_mask db '*', 0
months dd 'Jan '
dd 'Feb '
dd 'Mar '
dd 'Apr '
dd 'May '
dd 'Jun '
dd 'Jul '
dd 'Aug '
dd 'Sep '
dd 'Oct '
dd 'Nov '
dd '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:
; uninitialised data
socketnum dd ?
path rb 1024
params rb 1024
mem: