forked from KolibriOS/kolibrios
404 lines
9.5 KiB
NASM
404 lines
9.5 KiB
NASM
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2013. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; ftpc.asm - FTP client for KolibriOS ;;
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;; ;;
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;; Written by hidnplayr@kolibrios.org ;;
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;; ;;
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;; GNU GENERAL PUBLIC LICENSE ;;
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;; Version 2, June 1991 ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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format binary as ""
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__DEBUG__ = 0
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__DEBUG_LEVEL__ = 1
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BUFFERSIZE = 1024
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STATUS_CONNECTING = 0
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STATUS_CONNECTED = 1
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STATUS_NEEDPASSWORD = 2
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STATUS_LOGGED_IN = 3
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use32
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; standard header
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db 'MENUET01' ; signature
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dd 1 ; header version
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dd start ; entry point
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dd i_end ; initialized size
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dd mem+0x1000 ; required memory
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dd mem+0x1000 ; stack pointer
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dd s ; parameters
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dd 0 ; path
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include '../../macros.inc'
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purge mov,add,sub
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include '../../proc32.inc'
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include '../../dll.inc'
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include '../../debug-fdo.inc'
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include '../../network.inc'
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include 'usercommands.inc'
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include 'servercommands.inc'
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; entry point
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start:
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DEBUGF 1, "hello"
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; load libraries
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stdcall dll.Load, @IMPORT
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test eax, eax
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jnz exit
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; initialize console
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push 1
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call [con_start]
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push title
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push 25
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push 80
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push 25
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push 80
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call [con_init]
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; Check for parameters
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cmp byte [s], 0
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jne resolve
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main:
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call [con_cls]
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; Welcome user
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push str1
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call [con_write_asciiz]
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; write prompt
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push str2
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call [con_write_asciiz]
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; read string
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mov esi, s
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push 256
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push esi
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call [con_gets]
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; check for exit
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test eax, eax
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jz done
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cmp byte [esi], 10
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jz done
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resolve:
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; delete terminating '\n'
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mov esi, s
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@@:
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lodsb
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cmp al, 0x20
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ja @r
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mov byte [esi-1], 0
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; call [con_cls]
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push str3
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call [con_write_asciiz]
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push s
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call [con_write_asciiz]
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; resolve name
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push esp ; reserve stack place
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push esp ; fourth parameter
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push 0 ; third parameter
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push 0 ; second parameter
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push s ; first parameter
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call [getaddrinfo]
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pop esi
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; test for error
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test eax, eax
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jnz fail
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; write results
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push str8
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call [con_write_asciiz]
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; mov edi, esi
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; convert IP address to decimal notation
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mov eax, [esi+addrinfo.ai_addr]
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mov eax, [eax+sockaddr_in.sin_addr]
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mov [sockaddr1.ip], eax
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push eax
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call [inet_ntoa]
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; write result
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push eax
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call [con_write_asciiz]
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; free allocated memory
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push esi
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call [freeaddrinfo]
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push str9
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call [con_write_asciiz]
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mcall socket, AF_INET4, SOCK_STREAM, 0
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cmp eax, -1
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je fail2
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mov [socketnum], eax
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push str11
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call [con_write_asciiz]
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mcall connect, [socketnum], sockaddr1, 18
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mcall 40, EVM_STACK
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mov [status], STATUS_CONNECTING
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mov [offset], buffer_ptr
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push str12
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call [con_write_asciiz]
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wait_for_serverdata:
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mcall 10
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call [con_get_flags]
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test eax, 0x200 ; con window closed?
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jnz exit
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; receive socket data
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mcall recv, [socketnum], [offset], BUFFERSIZE, 0
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inc eax
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jz wait_for_serverdata
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dec eax
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jz wait_for_serverdata
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; extract commands, copy them to "s" buffer
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add eax, buffer_ptr ; eax = end pointer
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mov esi, buffer_ptr ; esi = current pointer
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.nextcommand:
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mov edi, s
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.byteloop:
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cmp esi, eax
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jae wait_for_serverdata
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lodsb
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cmp al, 10 ; excellent, we might have a command
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je .got_command
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cmp al, 13 ; just ignore this crap
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je .byteloop
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stosb
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jmp .byteloop
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; we have a newline check if its a command
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.got_command:
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xor al, al
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stosb
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; push esi eax
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; print it to the screen
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pushd s
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call [con_write_asciiz]
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pushd str4 ; newline
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call [con_write_asciiz]
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; cmp byte[s+2], " "
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; jne .not_command
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lea ecx, [edi - s]
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call server_parser
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; .not_command:
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; pop eax esi
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; jmp .nextcommand
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wait_for_usercommand:
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cmp [status], STATUS_CONNECTED
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je .connected
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cmp [status], STATUS_NEEDPASSWORD
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je .needpass
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; write prompt
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push str2
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call [con_write_asciiz]
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; read string
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mov esi, s
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push 256
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push esi
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call [con_gets]
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call [con_get_flags]
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test eax, 0x200 ; con window closed?
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jnz exit
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cmp dword[s], "list"
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je cmd_list
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cmp dword[s], "help"
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je cmd_help
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push str_unkown
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call [con_write_asciiz]
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jmp wait_for_usercommand
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.connected:
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push str_user
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call [con_write_asciiz]
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mov dword[s], "USER"
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mov byte[s+4], " "
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; mov [status], STATUS_NEEDPASSWORD
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inc [status]
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jmp .send
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.needpass:
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push str_pass
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call [con_write_asciiz]
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mov dword[s], "PASS"
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mov byte[s+4], " "
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; mov [status], STATUS_LOGGED_IN
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inc [status]
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.send:
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; read string
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mov esi, s+5
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push 256
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push esi
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call [con_gets]
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mov edi, s+5
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mov ecx, 256
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xor al, al
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repne scasb
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lea esi, [edi-s-1]
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mcall send, [socketnum], s
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jmp wait_for_usercommand
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open_dataconnection:
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cmp [status], STATUS_LOGGED_IN
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jne .fail
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mov dword[s], "PASV"
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mov byte[s+4], 10
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mcall send, [socketnum], s, 5
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ret
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.fail:
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push str6
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call [con_write_asciiz]
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ret
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fail2:
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push str6
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call [con_write_asciiz]
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jmp fail.wait
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fail:
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push str5
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call [con_write_asciiz]
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.wait:
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push str10
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call [con_write_asciiz]
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call [con_getch2]
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jmp main
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done:
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push 1
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call [con_exit]
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exit:
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mcall close, [socketnum]
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mcall -1
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; data
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title db 'FTP client',0
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str1 db 'FTP client for KolibriOS v0.01',10,10,'Please enter ftp server address.',10,0
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str2 db '> ',0
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str3 db 'Resolving ',0
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str4 db 10,0
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str5 db 10,'Name resolution failed.',10,0
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str6 db 10,'Socket error.',10,0
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str8 db ' (',0
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str9 db ')',10,0
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str10 db 'Push any key to continue.',0
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str11 db 'Connecting',10,0
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str12 db 'Connected!',10,0
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str_user db "username: ",0
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str_pass db "password: ",0
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str_unkown db "unkown command",10,0
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str_help db "available commands:",10,10
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db "help list",10,0
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str_open db "opening data socket",10,0
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sockaddr1:
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dw AF_INET4
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.port dw 0x1500 ; 21
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.ip dd 0
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rb 10
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sockaddr2:
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dw AF_INET4
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.port dw 0
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.ip dd 0
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rb 10
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include_debug_strings ; ALWAYS present in data section
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; import
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||
|
|
align 4
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@IMPORT:
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library network, 'network.obj', console, 'console.obj'
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import network, \
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getaddrinfo, 'getaddrinfo', \
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freeaddrinfo, 'freeaddrinfo', \
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inet_ntoa, 'inet_ntoa'
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import console, \
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con_start, 'START', \
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con_init, 'con_init', \
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con_write_asciiz,'con_write_asciiz', \
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con_exit, 'con_exit', \
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con_gets, 'con_gets',\
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con_cls, 'con_cls',\
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con_getch2, 'con_getch2',\
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con_set_cursor_pos, 'con_set_cursor_pos',\
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con_write_string, 'con_write_string',\
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con_get_flags, 'con_get_flags'
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i_end:
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active_passive db ?
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socketnum dd ?
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datasocket dd ?
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buffer_ptr rb 2*BUFFERSIZE
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status db ?
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offset dd ?
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s rb 1024
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mem:
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