forked from KolibriOS/kolibrios
320 lines
7.4 KiB
NASM
320 lines
7.4 KiB
NASM
;
|
|
; 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
|
|
work_dir rb 1024
|
|
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:
|