;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; ;; ;; 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_write_asciiz, str4 ; newline 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], "pwd" + 10 shl 24 je cmd_pwd ; 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 v0.04',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 db "help list cwd retr pwd",10,10,0 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: align 4 status db ? active_passive db ? align 4 socketnum dd ? datasocket dd ? offset dd ? size dd ? buffer_ptr rb BUFFERSIZE+1 buffer_ptr2 rb BUFFERSIZE+1 s rb 1024 mem: