forked from KolibriOS/kolibrios
735 lines
21 KiB
NASM
735 lines
21 KiB
NASM
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2013-2014. 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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TIMEOUT = 3 ; seconds
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BUFFERSIZE = 4096
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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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OPERATION_NONE = 0
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OPERATION_LIST = 1
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OPERATION_RETR = 2
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OPERATION_STOR = 3
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OPERATION_RDIR = 4
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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 buf_cmd ; parameters
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dd path ; 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 '../../network.inc'
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include 'usercommands.inc'
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include 'servercommands.inc'
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include 'parser.inc'
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start:
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; initialize heap for using dynamic blocks
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mcall 68,11
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test eax,eax
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je exit2
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; disable all events except network event
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mcall 40, EV_STACK
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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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invoke con_start, 1
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invoke con_init, 80, 25, 80, 250, str_title
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; find path to main settings file (ftpc.ini)
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mov edi, path ; Calculate the length of zero-terminated string
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xor al, al
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mov ecx, 1024
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repne scasb
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dec edi
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mov esi, str_ini ; append it with '.ini', 0
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movsd
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movsb
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; get settings from ini
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invoke ini.get_str, path, str_active, str_ip, str_active_ip, 16, 0
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mov esi, str_active_ip
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.ip_loop:
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lodsb
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test al, al
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jz .ip_ok
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cmp al, ' '
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je .ip_ok
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cmp al, '.'
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jne .ip_loop
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mov byte[esi-1], ','
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jmp .ip_loop
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.ip_ok:
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mov byte[esi-1], 0
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invoke ini.get_int, path, str_active, str_port_start, 64000
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mov [acti_port_start], ax
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invoke ini.get_int, path, str_active, str_port_stop, 65000
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mov [acti_port_stop], ax
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invoke ini.get_str, path, str_general, str_dir, buf_buffer1, BUFFERSIZE, 0
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mcall 30, 1, buf_buffer1 ; set working directory
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; Check for parameters, if there are some, resolve the address right away
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; TODO: parse ftp://user:password@server.com:port/folder/subfolder type urls.
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cmp byte [buf_cmd], 0
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jne resolve
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main:
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; Clear screen
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invoke con_cls
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; Welcome user
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invoke con_write_asciiz, str_welcome
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; write prompt (in green color)
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invoke con_set_flags, 0x0a
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invoke con_write_asciiz, str_prompt
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; read string
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invoke con_gets, buf_cmd, 256
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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 [buf_cmd], 10
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jz done
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; reset color back to grey and print newline
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invoke con_set_flags, 0x07
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invoke con_write_asciiz, str_newline
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no_resolve:
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mov [sockaddr1.port], 21 shl 8
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; delete terminating '\n'
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mov esi, buf_cmd
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@@:
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lodsb
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cmp al, ':'
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je .do_port
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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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jmp .done
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.do_port:
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xor eax, eax
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xor ebx, ebx
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mov byte [esi-1], 0
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.portloop:
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lodsb
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cmp al, 0x20
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jbe .port_done
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sub al, '0'
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jnb @f
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mov eax, str_err_host
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jmp error
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@@: cmp al, 9
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jna @f
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mov eax, str_err_host
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jmp error
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@@: lea ebx, [ebx*4 + ebx]
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shl ebx, 1
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add ebx, eax
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jmp .portloop
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.port_done:
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xchg bl, bh
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mov [sockaddr1.port], bx
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.done:
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; Say to the user that we're resolving
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invoke con_write_asciiz, str_resolve
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invoke con_write_asciiz, buf_cmd
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; resolve name
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push esp ; reserve stack place
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invoke getaddrinfo, buf_cmd, 0, 0, esp
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pop esi
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; test for error
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test eax, eax
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jz @f
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mov eax, str_err_resolve
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jmp error
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@@:
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; write results
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invoke con_write_asciiz, str8 ; ' (',0
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mov eax, [esi+addrinfo.ai_addr] ; convert IP address to decimal notation
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mov eax, [eax+sockaddr_in.sin_addr] ;
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mov [sockaddr1.ip], eax ;
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invoke inet_ntoa, eax ;
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invoke con_write_asciiz, eax ; print ip
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invoke freeaddrinfo, esi ; free allocated memory
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invoke con_write_asciiz, str9 ; ')',10,0
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; open the socket
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mcall socket, AF_INET4, SOCK_STREAM, 0
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cmp eax, -1
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jne @f
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mov eax, str_err_socket
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jmp error
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@@: mov [controlsocket], eax
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; connect to the server
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invoke con_write_asciiz, str_connect
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mcall connect, [controlsocket], sockaddr1, 18
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cmp eax, -1
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jne @f
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mov eax, str_err_connect
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jmp error
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@@: mov [status], STATUS_CONNECTING
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; Tell the user we're waiting for the server now.
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invoke con_write_asciiz, str_waiting
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; Reset 'offset' variable, it's used by the data receiver
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mov [offset], 0
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wait_for_servercommand:
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; Any commands still in our buffer?
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cmp [offset], 0
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je .receive ; nope, receive some more
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mov esi, [offset]
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mov edi, buf_cmd
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mov ecx, [size]
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add ecx, esi
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jmp .byteloop
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; receive socket data
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.receive:
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mcall 26, 9
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add eax, TIMEOUT*100
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mov [timeout], eax
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.receive_loop:
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mcall 23, 50 ; Wait for event with timeout
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mcall 26, 9
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cmp eax, [timeout]
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jl @f
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mov eax, str_err_timeout
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jmp error
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@@: mcall recv, [controlsocket], buf_buffer1, BUFFERSIZE, MSG_DONTWAIT
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test eax, eax
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jnz .got_data
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cmp ebx, EWOULDBLOCK
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je @f
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mov eax, str_err_recv
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jmp error
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@@: jmp .receive_loop
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.got_data:
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mov [offset], 0
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; extract commands, copy them to "buf_cmd" buffer
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lea ecx, [eax + buf_buffer1] ; ecx = end pointer
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mov esi, buf_buffer1 ; esi = current pointer
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mov edi, buf_cmd
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.byteloop:
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cmp esi, ecx
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jae wait_for_servercommand
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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 byte
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je .byteloop
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stosb
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jmp .byteloop
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.got_command: ; we have a newline check if its a command
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cmp esi, ecx
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je .no_more_data
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mov [offset], esi
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sub ecx, esi
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mov [size], ecx
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jmp .go_cmd
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.no_more_data:
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mov [offset], 0
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.go_cmd:
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lea ecx, [edi - buf_cmd] ; length of command
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xor al, al
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stosb
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invoke con_set_flags, 0x03 ; change color
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invoke con_write_asciiz, buf_cmd ; print servercommand
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invoke con_write_asciiz, str_newline
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invoke con_set_flags, 0x07 ; reset color
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jmp server_parser ; parse command
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wait_for_usercommand:
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; Are there any files in the transfer queue?
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cmp [queued], 0
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ja transfer_queued ; Yes, transfer those first.
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; change color to green for user input
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invoke con_set_flags, 0x0a
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; If we are not yet connected, request username/password
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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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invoke con_write_asciiz, str_prompt
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; read string
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invoke con_gets, buf_cmd, 256
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; print a newline and reset the color back to grey
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invoke con_write_asciiz, str_newline
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invoke con_set_flags, 0x07
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cmp dword[buf_cmd], "cwd "
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je cmd_cwd
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cmp dword[buf_cmd], "mkd "
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je cmd_mkd
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cmp dword[buf_cmd], "rmd "
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je cmd_rmd
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cmp dword[buf_cmd], "pwd" + 10 shl 24
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je cmd_pwd
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cmp dword[buf_cmd], "bye" + 10 shl 24
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je cmd_bye
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cmp dword[buf_cmd], "rdir"
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je cmd_rdir
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cmp byte[buf_cmd+4], " "
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jne @f
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cmp dword[buf_cmd], "lcwd"
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je cmd_lcwd
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cmp dword[buf_cmd], "retr"
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je cmd_retr
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cmp dword[buf_cmd], "stor"
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je cmd_stor
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cmp dword[buf_cmd], "dele"
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je cmd_dele
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@@:
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cmp byte[buf_cmd+4], 10
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jne @f
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cmp dword[buf_cmd], "list"
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je cmd_list
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cmp dword[buf_cmd], "help"
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je cmd_help
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cmp dword[buf_cmd], "cdup"
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je cmd_cdup
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@@:
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; Uh oh.. unknown command, tell the user and wait for new input
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invoke con_write_asciiz, str_unknown
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jmp wait_for_usercommand
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.connected:
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; request username
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cmp [use_params], 1
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je .copy_user
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invoke con_write_asciiz, str_user
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mov dword[buf_cmd], "USER"
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mov byte[buf_cmd+4], " "
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jmp .send
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.copy_user:
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; copy user name to buf_cmd
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mov edi, buf_cmd
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mov esi, param_user
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@@:
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lodsb
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stosb
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cmp byte [esi-1], 0
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jne @b
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jmp .send
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.needpass:
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; request password
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cmp [use_params], 1
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je .copy_password
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invoke con_write_asciiz, str_pass
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mov dword[buf_cmd], "PASS"
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mov byte[buf_cmd+4], " "
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invoke con_set_flags, 0x00 ; black text on black background for password
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jmp .send
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.copy_password:
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; copy password to buf_cmd
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mov edi, buf_cmd
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mov esi, param_password
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@@:
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lodsb
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stosb
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cmp byte [esi-1], 0
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jne @b
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.send:
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; read string
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cmp [use_params], 1
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je @f
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mov esi, buf_cmd+5
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invoke con_gets, esi, 256
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@@:
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; find end of string
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mov edi, buf_cmd+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-buf_cmd]
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mov word[edi-2], 0x0a0d
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; and send it to the server
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mcall send, [controlsocket], buf_cmd, , 0
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invoke con_write_asciiz, str_newline
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invoke con_set_flags, 0x07 ; reset color
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jmp wait_for_servercommand
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; files for rdir operation are queued
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transfer_queued:
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mov esi, [ptr_queue] ; always pointing to current part of ptr_fname_start
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mov edi, buf_cmd+5 ; always point to filename for retr command
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.build_filename:
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lodsb
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stosb
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cmp al, 10
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je .get_file ; filename ends with character 10
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test al, al
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jnz .build_filename
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; Error occured, we reached the end of the buffer before [queued] reached 0
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mov [queued], 0
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mcall 68, 13, [ptr_fname] ; free buffer
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test eax, eax
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jz error_heap
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jmp wait_for_usercommand
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.get_file:
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mov byte[edi], 0 ; end filename with 0 byte
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mov [ptr_queue], esi
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dec [queued]
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jnz cmd_retr
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mcall 68, 13, [ptr_fname] ; free buffer
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test eax, eax
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jz error_heap
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jmp cmd_retr
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open_dataconnection:
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test [mode], 1
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jnz .active
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mcall send, [controlsocket], str_PASV, str_PASV.length, 0
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ret
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.active:
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mcall socket, AF_INET4, SOCK_STREAM, 0
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cmp eax, -1
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jne @f
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mov eax, str_err_socket
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jmp error
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@@: mov [datasocket], eax
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mov ax, [acti_port_start]
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xchg al, ah
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mov [sockaddr2.port], ax
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mcall bind, [datasocket], sockaddr2, 18
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cmp eax, -1
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jne @f
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mov eax, str_err_bind
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jmp error
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@@:
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mcall listen, [datasocket], 1
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cmp eax, -1
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jne @f
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mov eax, str_err_listen
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jmp error
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@@:
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mov dword[buf_buffer1], 'PORT'
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mov byte[buf_buffer1+4], ' '
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mov edi, buf_buffer1+5
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mov esi, str_active_ip
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.loop:
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lodsb
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test al, al
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jz .ip_ok
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stosb
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jmp .loop
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.ip_ok:
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mov al, ','
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stosb
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movzx eax, byte[sockaddr2.port+0]
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call dword_ascii
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mov al, ','
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stosb
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movzx eax, byte[sockaddr2.port+1]
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call dword_ascii
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mov ax, 0x0a0d
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stosw
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lea esi, [edi - buf_buffer1]
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mcall send, [controlsocket], buf_buffer1, , 0
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mcall accept, [datasocket], sockaddr2, 18 ; time to accept the awaiting connection..
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cmp eax, -1
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jne @f
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mov eax, str_err_accept
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jmp error
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@@: push eax
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mcall close, [datasocket]
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pop [datasocket]
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mcall recv, [controlsocket], buf_buffer1, BUFFERSIZE, 0
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ret
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; eax = input
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; edi = ptr where to write
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dword_ascii:
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push edx ebx ecx
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mov ebx, 10
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xor ecx, ecx
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@@:
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xor edx, edx
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div ebx
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add edx, '0'
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push dx
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inc ecx
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test eax, eax
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jnz @r
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@@:
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pop ax
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stosb
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dec ecx
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jnz @r
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pop ecx ebx edx
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ret
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error:
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push eax
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invoke con_set_flags, 0x0c ; print errors in red
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pop eax
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invoke con_write_asciiz, eax
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jmp wait_for_keypress
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error_heap:
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invoke con_set_flags, 0x0c ; print errors in red
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invoke con_write_asciiz, str_err_heap
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wait_for_keypress:
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invoke con_set_flags, 0x07 ; reset color to grey
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invoke con_write_asciiz, str_push
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invoke con_getch2
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mcall close, [controlsocket]
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jmp main
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done:
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invoke con_exit, 1
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exit:
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mcall close, [controlsocket]
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exit2:
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mcall -1
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; data
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str_title db 'FTP client',0
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str_welcome db 'FTP client for KolibriOS v0.12',10
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db 10
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db 'Please enter ftp server address.',10,0
|
|
|
|
str_ftp db 'ftp://',0
|
|
|
|
str_prompt db '> ',0
|
|
str_resolve db 'Resolving ',0
|
|
str_newline db 10,0
|
|
str_err_resolve db 10,'Name resolution failed.',10,0
|
|
str_err_socket db 10,'[75,0 socket]: Error creating a socket',10,0
|
|
str_err_bind db 10,'[75,2 bind]: Error binding to socket',10,0
|
|
str_err_listen db 10,'[75,3 listen]: Cannot accept incoming connections',10,0
|
|
str_err_accept db 10,'[75,5 accept]: Error accepting a connection',10,0
|
|
str_err_recv db 10,'[75,7 recv]: Error receiving data from server',10,0
|
|
str_err_heap db 10,'Cannot allocate memory from heap.',10,0
|
|
str_err_timeout db 10,'Timeout - no response from server.',10,0
|
|
str_err_connect db 10,'[75,4 connect]: Cannot connect to the server.',10,0
|
|
str_err_host db 10,'Invalid hostname.',10,0
|
|
str_err_params db 10,'Invalid parameters',10,0
|
|
str8 db ' (',0
|
|
str9 db ')',10,0
|
|
str_push db 'Push any key to continue.',0
|
|
str_connect db 'Connecting...',10,0
|
|
str_waiting db 'Waiting for welcome message.',10,0
|
|
str_user db "username: ",0
|
|
str_pass db "password: ",0
|
|
str_unknown db "Unknown command or insufficient parameters - type help for more information.",10,0
|
|
str_lcwd db "Local working directory is now: ",0
|
|
|
|
str_open db "opening data socket",10,0
|
|
str_close db 10,"closing data socket",10,0
|
|
str_dot db '.',0
|
|
|
|
str_help db "available commands:",10
|
|
db 10
|
|
db "bye - close the connection",10
|
|
db "cdup - change to parent of current directory on the server",10
|
|
db "cwd <directory> - change working directoy on the server",10
|
|
db "dele <file> - delete file from the server",10
|
|
db "list - list files and folders in current server directory",10
|
|
db "lcwd <path> - change local working directory",10
|
|
db "mkd <directory> - make directory on the server",10
|
|
db "pwd - print server working directory",10
|
|
db "retr <file> - retreive file from the server",10
|
|
db "rmd <directory> - remove directory from the server",10
|
|
db "stor <file> - store file on the server",10
|
|
db "rdir - retreive all files from current server dir",10
|
|
db 10,0
|
|
|
|
str_ini db '.ini', 0
|
|
str_active db 'active', 0
|
|
str_port_start db 'port_start', 0
|
|
str_port_stop db 'port_stop', 0
|
|
str_ip db 'ip', 0
|
|
str_dir db 'dir', 0
|
|
str_general db 'general', 0
|
|
|
|
queued dd 0
|
|
mode db 0 ; passive = 0, active = 1
|
|
|
|
; FTP strings
|
|
|
|
str_PASV db 'PASV',13,10
|
|
.length = $ - str_PASV
|
|
|
|
sockaddr1:
|
|
dw AF_INET4
|
|
.port dw ?
|
|
.ip dd ?
|
|
rb 10
|
|
|
|
sockaddr2:
|
|
dw AF_INET4
|
|
.port dw ?
|
|
.ip dd ?
|
|
rb 10
|
|
|
|
; import
|
|
align 4
|
|
@IMPORT:
|
|
|
|
library network, 'network.obj', console, 'console.obj', libini, 'libini.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'
|
|
|
|
import libini, \
|
|
ini.get_str, 'ini_get_str',\
|
|
ini.get_int, 'ini_get_int'
|
|
|
|
|
|
i_end:
|
|
|
|
; uninitialised data
|
|
|
|
status db ?
|
|
|
|
controlsocket dd ?
|
|
datasocket dd ?
|
|
offset dd ?
|
|
size dd ?
|
|
operation dd ?
|
|
timeout dd ?
|
|
|
|
ptr_fname dd ?
|
|
size_fname dd ?
|
|
ptr_queue dd ?
|
|
|
|
acti_port_start dw ?
|
|
acti_port_stop dw ?
|
|
acti_port dw ?
|
|
|
|
str_active_ip rb 16
|
|
|
|
filestruct:
|
|
.subfn dd ?
|
|
.offset dd ?
|
|
dd ?
|
|
.size dd ?
|
|
.ptr dd ?
|
|
.name rb 1024
|
|
|
|
buf_buffer1 rb BUFFERSIZE+1
|
|
buf_buffer2 rb BUFFERSIZE+1
|
|
buf_cmd rb 1024 ; buffer for holding command string
|
|
|
|
path rb 1024
|
|
|
|
use_params db 0
|
|
param_user rb 1024
|
|
param_password rb 1024
|
|
param_server_addr rb 1024
|
|
param_path rb 1024
|
|
|
|
mem:
|