; ; Kolibrios FTP Daemon ; ; hidnplayr@gmail.com ; ; GPLv2 ; BUFFERSIZE = 8192 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 format binary as "" 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 params ; 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 mcall 68, 11 ; init heap ; 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 ; append it with '.ini' 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] mainloop: mcall 10 ; Wait here for incoming connections on the base socket (socketnum) mcall 51, 1, threadstart, 0 ; Start a new thread for every incoming connection ; NOTE: upon initialisation of the thread, stack will not be available! jmp mainloop threadstart: mcall 68, 12, sizeof.thread_data ; allocate the thread data struct cmp eax, -1 je exit lea esp, [eax + thread_data.stack] ; init stack push eax ; save pointer to thread_data on stack mcall 40, 1 shl 7 ; we only want network events for this thread push str8 call [con_write_asciiz] ; print on the console that we have created the new thread successfully mcall accept, [socketnum], sockaddr1, sockaddr1.length ; time to accept the awaiting connection.. cmp eax, -1 je thread_exit mov edx, [esp] ; pointer to thread_data mov [edx + thread_data.socketnum], eax mcall send, [edx + thread_data.socketnum], str220, str220.length, 0 ; send welcome string to the FTP client threadloop: mcall 10 mov edx, [esp] ; pointer to thread_data cmp [edx + thread_data.mode], MODE_PASSIVE_WAIT jne @f mov ecx, [edx + thread_data.passivesocknum] lea edx, [edx + thread_data.datasock] mov esi, sizeof.thread_data.datasock mcall accept mov edx, [esp] ; pointer to thread_data cmp eax, -1 je @f mov [edx + thread_data.datasocketnum], eax mov [edx + thread_data.mode], MODE_PASSIVE_OK push str_datasock call [con_write_asciiz] ; print on the console that the datasock is now ready @@: mov ecx, [edx + thread_data.socketnum] lea edx, [edx + thread_data.buffer] mov esi, sizeof.thread_data.buffer mcall recv cmp eax, -1 ; error? je threadloop or eax, eax ; 0 bytes read? jz threadloop push eax ; save number of bytes read on stack mov edx, [esp+4] ; pointer to thread_data mov byte [edx + thread_data.buffer + eax], 0 ; append received data with a 0 byte pushd 0x0a ; print received data to console (in green color) call [con_set_flags] lea eax, [edx + thread_data.buffer] push eax call [con_write_asciiz] pushd 0x07 call [con_set_flags] pop ecx ; number of bytes read lea esi, [edx + thread_data.buffer] call parse_cmd jmp threadloop 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 thread_exit: push str_bye call [con_write_asciiz] ; say bye bye pop ecx ; get the thread_data pointer from stack mcall 68, 13 ; free the memory mcall -1 ; and kill the thread ; initialized 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 10,'New thread created!',10,10,0 str_bye db 10,'Closing thread!',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_err2 db 'ERROR: cannot open directory',10,10,0 str_datasock db 'Passive data socket connected!',10,10,0 str_notfound db 'ERROR: file not found',10,10,0 str_sockerr db 'ERROR: socket error',10,10,0 str_newline db 10, 0 str_mask db '*', 0 months dd 'Jan ' dd 'Feb ' dd 'Mar ' dd 'Apr ' dd 'May ' dd 'Jun ' dd 'Jul ' dd 'Aug ' dd 'Sep ' dd 'Oct ' dd 'Nov ' dd '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: ; uninitialised data socketnum dd ? path rb 1024 params rb 1024 mem: