;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2013. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;; ftpc.asm - FTP client for KolibriOS ;;
;; ;;
;; Written by hidnplayr@kolibrios.org ;;
;; ;;
;; GNU GENERAL PUBLIC LICENSE ;;
;; Version 2, June 1991 ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
format binary as ""
BUFFERSIZE = 1024
STATUS_CONNECTING = 0
STATUS_CONNECTED = 1
STATUS_NEEDPASSWORD = 2
STATUS_LOGGED_IN = 3
use32
; standard header
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 s ; parameters
dd 0 ; path
include '../../macros.inc'
purge mov,add,sub
include '../../proc32.inc'
include '../../dll.inc'
include '../../network.inc'
include 'usercommands.inc'
include 'servercommands.inc'
; entry point
start:
mcall 40, 0
; load libraries
stdcall dll.Load, @IMPORT
test eax, eax
jnz exit
; initialize console
invoke con_start, 1
invoke con_init, 80, 25, 80, 250, title
; Check for parameters
cmp byte [s], 0
jne resolve
main:
invoke con_cls
; Welcome user
invoke con_write_asciiz, str1
; write prompt
invoke con_set_flags, 0x0a
invoke con_write_asciiz, str2
; read string
mov esi, s
invoke con_gets, esi, 256
invoke con_write_asciiz, str4 ; newline
invoke con_set_flags, 0x07
; check for exit
test eax, eax
jz done
cmp byte [esi], 10
jz done
resolve:
; delete terminating '\n'
mov esi, s
@@:
lodsb
cmp al, 0x20
ja @r
mov byte [esi-1], 0
invoke con_write_asciiz, str3
invoke con_write_asciiz, s
; resolve name
push esp ; reserve stack place
invoke getaddrinfo, s, 0, 0, esp
pop esi
; test for error
test eax, eax
jnz fail
; write results
invoke con_write_asciiz, str8
; mov edi, esi
; convert IP address to decimal notation
mov eax, [esi+addrinfo.ai_addr]
mov eax, [eax+sockaddr_in.sin_addr]
mov [sockaddr1.ip], eax
invoke inet_ntoa, eax
; write result
invoke con_write_asciiz, eax
; free allocated memory
invoke freeaddrinfo, esi
invoke con_write_asciiz, str9
mcall socket, AF_INET4, SOCK_STREAM, 0
cmp eax, -1
je socket_error
mov [socketnum], eax
invoke con_write_asciiz, str11
mcall connect, [socketnum], sockaddr1, 18
mov [status], STATUS_CONNECTING
invoke con_write_asciiz, str12
mov [offset], 0
wait_for_servercommand:
cmp [offset], 0
je .receive
mov esi, [offset]
mov edi, s
mov ecx, [size]
add ecx, esi
jmp .byteloop
; receive socket data
.receive:
mcall recv, [socketnum], buffer_ptr, BUFFERSIZE, 0
inc eax
jz socket_error
dec eax
jz wait_for_servercommand
mov [offset], 0
; extract commands, copy them to "s" buffer
lea ecx, [eax + buffer_ptr] ; ecx = end pointer
mov esi, buffer_ptr ; esi = current pointer
mov edi, s
.byteloop:
cmp esi, ecx
jae wait_for_servercommand
lodsb
cmp al, 10 ; excellent, we might have a command
je .got_command
cmp al, 13 ; just ignore this byte
je .byteloop
stosb
jmp .byteloop
.got_command: ; we have a newline check if its a command
cmp esi, ecx
je .no_more_data
mov [offset], esi
sub ecx, esi
mov [size], ecx
jmp .go_cmd
.no_more_data:
mov [offset], 0
.go_cmd:
xor al, al
stosb
invoke con_set_flags, 0x03 ; change color
invoke con_write_asciiz, s ; print servercommand
invoke con_write_asciiz, str4 ; newline
invoke con_set_flags, 0x07
jmp server_parser ; parse command
wait_for_usercommand:
invoke con_set_flags, 0x0a
cmp [status], STATUS_CONNECTED
je .connected
cmp [status], STATUS_NEEDPASSWORD
je .needpass
; write prompt
invoke con_write_asciiz, str2
; read string
mov esi, s
invoke con_gets, esi, 256
invoke con_set_flags, 0x07
cmp dword[s], "list"
je cmd_list
cmp dword[s], "help"
je cmd_help
cmp dword[s], "cwd "
je cmd_cwd
cmp dword[s], "retr"
je cmd_retr
; cmp dword[s], "stor"
; je cmd_stor
invoke con_write_asciiz, str_unknown
jmp wait_for_usercommand
.connected:
invoke con_write_asciiz, str_user
mov dword[s], "USER"
mov byte[s+4], " "
jmp .send
.needpass:
invoke con_write_asciiz, str_pass
mov dword[s], "PASS"
mov byte[s+4], " "
.send:
; read string
mov esi, s+5
invoke con_gets, esi, 256
mov edi, s+5
mov ecx, 256
xor al, al
repne scasb
lea esi, [edi-s-1]
mcall send, [socketnum], s, , 0
invoke con_write_asciiz, str4 ; newline
invoke con_set_flags, 0x07
jmp wait_for_servercommand
open_dataconnection:
cmp [status], STATUS_LOGGED_IN
jne .fail
mov dword[s], "PASV"
mov byte[s+4], 10
mcall send, [socketnum], s, 5, 0
ret
.fail:
invoke con_write_asciiz, str6
ret
socket_error:
invoke con_write_asciiz, str6
jmp fail.wait
fail:
invoke con_write_asciiz, str5
.wait:
invoke con_write_asciiz, str10
invoke con_getch2
jmp main
done:
invoke con_exit, 1
exit:
mcall close, [socketnum]
mcall -1
; data
title db 'FTP client',0
str1 db 'FTP client for KolibriOS v0.03',10,10,'Please enter ftp server address.',10,0
str2 db '> ',0
str3 db 'Resolving ',0
str4 db 10,0
str5 db 10,'Name resolution failed.',10,0
str6 db 10,'Socket error.',10,0
str8 db ' (',0
str9 db ')',10,0
str10 db 'Push any key to continue.',0
str11 db 'Connecting...',10,0
str12 db 'Waiting for welcome message.',10,0
str_user db "username: ",0
str_pass db "password: ",0
str_unknown db "unknown command",10,0
str_help db "available commands:",10,10
db "help list",10,0
str_open db "opening data socket",10,0
sockaddr1:
dw AF_INET4
.port dw 0x1500 ; 21
.ip dd 0
rb 10
sockaddr2:
dw AF_INET4
.port dw 0
.ip dd 0
rb 10
; import
align 4
@IMPORT:
library network, 'network.obj', console, 'console.obj'
import network, \
getaddrinfo, 'getaddrinfo', \
freeaddrinfo, 'freeaddrinfo', \
inet_ntoa, 'inet_ntoa'
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_getch2, 'con_getch2',\
con_set_cursor_pos, 'con_set_cursor_pos',\
con_write_string, 'con_write_string',\
con_get_flags, 'con_get_flags', \
con_set_flags, 'con_set_flags'
i_end:
active_passive db ?
socketnum dd ?
datasocket dd ?
buffer_ptr rb BUFFERSIZE
buffer_ptr2 rb BUFFERSIZE
status db ?
offset dd ?
size dd ?
s rb 1024
mem: