;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; ;; ;; Copyright (C) KolibriOS team 2010-2014. All rights reserved. ;; ;; Distributed under terms of the GNU General Public License ;; ;; ;; ;; tftpc.asm - TFTP client for KolibriOS ;; ;; ;; ;; Written by hidnplayr@kolibrios.org ;; ;; ;; ;; GNU GENERAL PUBLIC LICENSE ;; ;; Version 2, June 1991 ;; ;; ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; format binary as "" __DEBUG__ = 0 __DEBUG_LEVEL__ = 1 use32 org 0x0 db 'MENUET01' dd 0x1 dd START dd I_END dd IM_END+0x1000 dd IM_END+0x1000 dd 0, 0 include '../../proc32.inc' include '../../macros.inc' include '../../libio.inc' include '../../dll.inc' include '../../develop/libraries/box_lib/trunk/box_lib.mac' include '../../network.inc' include '../../debug-fdo.inc' TIMEOUT = 100 buffer_len = 4096 opcode_rrq = 1 shl 8 opcode_wrq = 2 shl 8 opcode_data = 3 shl 8 opcode_ack = 4 shl 8 opcode_error = 5 shl 8 ; read/write request packet ; ; 2 bytes string 1 byte string 1 byte ; ------------------------------------------------ ; | Opcode | Filename | 0 | Mode | 0 | ; ------------------------------------------------ ; data packet ; ; 2 bytes 2 bytes n bytes ; ---------------------------------- ; | Opcode | Block # | Data | ; ---------------------------------- ; acknowledgement packet ; ; 2 bytes 2 bytes ; --------------------- ; | Opcode | Block # | ; --------------------- ; error packet ; ; 2 bytes 2 bytes string 1 byte ; ---------------------------------------- ; | Opcode | ErrorCode | ErrMsg | 0 | ; ---------------------------------------- START: mcall 68, 11 stdcall dll.Load, @IMPORT or eax, eax jnz exit home: mcall 40, EVM_MOUSE + EVM_MOUSE_FILTER + EVM_REDRAW + EVM_BUTTON + EVM_KEY + EVM_STACK redraw: call draw_window mainloop: mcall 10 dec eax jz redraw dec eax jz key dec eax jz button invoke edit_box_mouse, edit1 invoke edit_box_mouse, edit2 invoke edit_box_mouse, edit3 invoke edit_box_mouse, edit4 invoke option_box_mouse, Option_boxs1 invoke option_box_mouse, Option_boxs2 jmp mainloop button: mcall 17 cmp ah, 0x10 ; connect button je start_transfer test ah , ah jz mainloop exit: mcall -1 key: mcall 2 invoke edit_box_key, edit1 invoke edit_box_key, edit2 invoke edit_box_key, edit3 invoke edit_box_key, edit4 jmp mainloop draw_window: ; get system colors mcall 48, 3, sc, 40 mcall 12, 1 mov edx, [sc.work] or edx, 0x34000000 xor esi, esi mov edi, str_title mcall 0, 50 shl 16 + 400, 30 shl 16 + 180 mov ebx, 35 shl 16 + 10 mov ecx, 0x80000000 or ecx, [sc.work_text] mov edx, str_server mcall 4 mov ebx, 5 shl 16 + 30 mov edx, str_source mcall mov ebx, 11 shl 16 + 50 mov edx, str_destination mcall mov ebx, 47 shl 16 + 72 mov edx, str_mode mcall mov ebx, 160 shl 16 + 72 mov edx, str_method mcall mov ebx, 270 shl 16 + 72 mov edx, str_blocksize mcall invoke edit_box_draw, edit1 invoke edit_box_draw, edit2 invoke edit_box_draw, edit3 invoke edit_box_draw, edit4 invoke option_box_draw, Option_boxs1 invoke option_box_draw, Option_boxs2 mov esi, [sc.work_button] mcall 8, 210 shl 16 + 170, 105 shl 16 + 16, 0x10 mcall 38, 10 shl 16 + 380, 130 shl 16 + 130, [sc.work_graph] cmp [errormsg], 0 je .no_error mov ecx, 0x80000000 or ecx, [sc.work_text] mcall 4, 20 shl 16 + 137, , [errormsg] mcall 12, 2 jmp .draw_btn .no_error: mov ecx, 0x80000000 or ecx, [sc.work_text] mcall 4, 350 shl 16 + 137, , str_kb_s mcall 4, 50 shl 16 + 137, , str_complete mcall 47, 1 shl 31 + 7 shl 16 + 1, kbps, 305 shl 16 + 137, [sc.work_text] mcall 47, 1 shl 31 + 3 shl 16 + 1, done, 25 shl 16 + 137 .draw_btn: cmp [socketnum], 0 je .no_transfer mov ecx, 0x80000000 or ecx, [sc.work_button_text] mcall 4, 270 shl 16 + 110, , str_stop mcall 12, 2 ret .no_transfer: mov ecx, 0x80000000 or ecx, [sc.work_button_text] mcall 4, 260 shl 16 + 110, , str_transfer mcall 12, 2 ret start_transfer: ; resolve the hostname mov [errormsg], str_err_resolve push esp ; reserve stack place push esp ; fourth parameter push 0 ; third parameter push 0 ; second parameter push dword SRV ; first parameter call [getaddrinfo] pop esi ; test for error test eax, eax jnz home mov eax, [esi + addrinfo.ai_addr] mov eax, [eax + sockaddr_in.sin_addr] mov [sockaddr.ip], eax ; free allocated memory push esi call [freeaddrinfo] ; Open a socket & connect to server mov [errormsg], str_err_socket mcall socket, AF_INET4, SOCK_DGRAM, 0 cmp eax, -1 je home mov [socketnum], eax mcall connect, [socketnum], sockaddr, sockaddr_len cmp eax, -1 je home ; Create the read/write request packet mov word[buffer], opcode_rrq cmp [option_group2], op3 je @f mov word[buffer], opcode_wrq @@: ; Copy in the remote filename (asciiz) xor al, al mov edi, remote_addr mov ecx, 255 repnz scasb lea ecx, [edi - remote_addr - 1] mov esi, remote_addr mov edi, buffer+2 rep movsb stosb ; Append the data type (asciiz) cmp [option_group1], op1 je .ascii mov esi, octet movsd movsb jmp .send_request .ascii: mov esi, netascii movsd movsd ; Send the request to the server .send_request: xor al, al stosb lea esi, [edi - buffer] xor edi, edi mcall send, [socketnum], buffer cmp eax, -1 je home ; Jump to send/receive code cmp word[buffer], opcode_wrq je tftp_send tftp_receive: mcall 40, EVM_REDRAW + EVM_BUTTON + EVM_STACK mov [last_ack], 0 mov [errormsg], 0 call draw_window ; Open/create local file mov [file_struct.subfn], 2 mov [file_struct.offset], 0 mov [file_struct.size], 0 mcall 70, file_struct ; Truncate it to 0 bytes mov [file_struct.subfn], 4 mcall 70, file_struct ; Set parameters for writing to file mov [file_struct.subfn], 3 mov [file_struct.data], buffer + 4 .loop: mcall 23, TIMEOUT dec eax jz .red dec eax dec eax jz .button mcall recv, [socketnum], buffer, buffer_len, MSG_DONTWAIT ; receive data cmp eax, -1 je .loop DEBUGF 1, "Got %u bytes\n", eax cmp word[buffer], opcode_error je tftp_error cmp word[buffer], opcode_data jne .error ; Verify ACK number mov bx, word[buffer + 2] rol bx, 8 cmp [last_ack], 0 je @f cmp [last_ack], bx jne .packet_got_lost inc bx @@: mov [last_ack], bx ; Write to the file lea ecx, [eax - 4] mov [file_struct.size], ecx mcall 70, file_struct add [file_struct.offset], ecx ; Send ACK mov word[buffer], opcode_ack mcall send, [socketnum], buffer, 4, 0 jmp .loop .packet_got_lost: ;TODO jmp .loop .red: call draw_window jmp .loop .button: mcall 17 cmp ah, 1 jne .abort mcall close, [socketnum] mcall -1 .abort: mcall close, [socketnum] xor eax, eax mov [socketnum], eax mov [errormsg], str_abort jmp home .error: mcall close, [socketnum] xor eax, eax mov [socketnum], eax mov [errormsg], str_err_unexp jmp home .done: mcall close, [socketnum] xor eax, eax mov [socketnum], eax mov [errormsg], str_success jmp home tftp_send: mcall 40, EVM_REDRAW + EVM_BUTTON + EVM_STACK mov [last_ack], 0 mov [errormsg], 0 call draw_window mov [file_struct.subfn], 0 mov [file_struct.offset], 0 mov [file_struct.size], buffer_len mov [file_struct.data], buffer + 4 .next: mov edi, buffer mov ax, opcode_data stosw mov ax, [last_ack] stosw mcall 70, file_struct test eax, eax ; jnz .done mov [size], ebx .resend: mov ebx, [size] lea esi, [ebx + 4] xor edi, edi mcall send, [socketnum], buffer .loop: mcall 23, TIMEOUT dec eax jz .red dec eax dec eax jz .button mcall recv, [socketnum], buffer, buffer_len, MSG_DONTWAIT cmp eax, -1 je .loop cmp word[buffer], opcode_error je tftp_error cmp word[buffer], opcode_ack jne .error mov ax, [last_ack] cmp word[buffer+2], ax jne .resend mov eax, [size] cmp eax, buffer_len jb .done add [file_struct.offset], eax inc [last_ack] jmp .next .red: call draw_window jmp .loop .button: mcall 17 cmp ah, 1 jne .abort mcall close, [socketnum] mcall -1 .abort: mcall close, [socketnum] xor eax, eax mov [socketnum], eax mov [errormsg], str_abort jmp home .error: mcall close, [socketnum] xor eax, eax mov [socketnum], eax mov [errormsg], str_err_unexp jmp home .done: mcall close, [socketnum] xor eax, eax mov [socketnum], eax mov [errormsg], str_success jmp home tftp_error: mcall close, [socketnum] xor eax, eax mov [socketnum], eax mov ax, word[buffer+2] xchg al, ah test ax, ax jz .0 dec ax jz .1 dec ax jz .2 dec ax jz .3 dec ax jz .4 dec ax jz .5 dec ax jz .6 dec ax jz .7 .0: mov [errormsg], str_error.0 jmp home .1: mov [errormsg], str_error.1 jmp redraw .2: mov [errormsg], str_error.2 jmp home .3: mov [errormsg], str_error.3 jmp home .4: mov [errormsg], str_error.4 jmp home .5: mov [errormsg], str_error.5 jmp home .6: mov [errormsg], str_error.6 jmp home .7: mov [errormsg], str_error.7 jmp home ;------------------------- ; DATA socketnum dd 0 kbps dd 0 done dd 0 errormsg dd str_welcome sockaddr: dw AF_INET4 dw 0x4500 ; 69 .ip dd ? sockaddr_len = $ - sockaddr file_struct: .subfn dd ? .offset dd ? dd 0 .size dd ? .data dd ? db 0 .filename dd local_addr align 16 @IMPORT: library box_lib , 'box_lib.obj' ,\ network , 'network.obj' import box_lib ,\ edit_box_draw , 'edit_box' ,\ edit_box_key , 'edit_box_key' ,\ edit_box_mouse , 'edit_box_mouse' ,\ version_ed , 'version_ed' ,\ init_checkbox , 'init_checkbox2' ,\ check_box_draw , 'check_box_draw2' ,\ check_box_mouse , 'check_box_mouse2' ,\ version_ch , 'version_ch2' ,\ option_box_draw , 'option_box_draw' ,\ option_box_mouse, 'option_box_mouse' ,\ version_op , 'version_op' import network ,\ inet_ntoa , 'inet_ntoa' ,\ getaddrinfo , 'getaddrinfo' ,\ freeaddrinfo , 'freeaddrinfo' edit1 edit_box 300, 80, 5, 0xffffff, 0x6f9480, 0, 0, 0, 255, SRV, mouse_dd, ed_focus, 13, 13 edit2 edit_box 300, 80, 25, 0xffffff, 0x6f9480, 0, 0, 0, 255, remote_addr, mouse_dd, 0, 4, 4 edit3 edit_box 300, 80, 45, 0xffffff, 0x6f9480, 0, 0, 0, 255, local_addr, mouse_dd, 0, 12, 12 edit4 edit_box 40, 340, 68, 0xffffff, 0x6f9480, 0, 0, 0, 5, BLK, mouse_dd, ed_figure_only, 3, 3 op1 option_box option_group1, 80, 68, 6, 12, 0xffffff, 0, 0, netascii, octet-netascii op2 option_box option_group1, 80, 85, 6, 12, 0xFFFFFF, 0, 0, octet, get-octet op3 option_box option_group2, 210, 68, 6, 12, 0xffffff, 0, 0, get, put-get op4 option_box option_group2, 210, 85, 6, 12, 0xFFFFFF, 0, 0, put, BLK-put option_group1 dd op1 option_group2 dd op3 Option_boxs1 dd op1, op2, 0 Option_boxs2 dd op3, op4, 0 str_title db 'TFTP client', 0 str_server db 'Server:', 0 str_source db 'Remote file:', 0 str_destination db 'Local file:', 0 str_mode db 'Mode:', 0 str_method db 'Method:', 0 str_blocksize db 'Blocksize:', 0 str_kb_s db 'kB/s', 0 str_complete db '% complete', 0 str_transfer db 'Transfer', 0 str_stop db 'Stop', 0 str_error: .0 db 'Error.', 0 ; not further defined error .1 db 'File not found.', 0 .2 db 'Access violation.', 0 .3 db 'Disk full or allocation exceeded.', 0 .4 db 'Illegal TFTP operation.', 0 .5 db 'Unknown transfer ID.', 0 .6 db 'File already exists.', 0 .7 db 'No such user.', 0 str_welcome db 'Welcome.', 0 str_err_resolve db 'Unable to resolve server address.', 0 str_err_socket db 'Socket error.', 0 str_err_unexp db 'Unexpected command from server.', 0 str_success db 'Operation completed successfully.', 0 str_abort db 'Operation aborted by user.', 0 netascii db 'NetASCII' octet db 'Octet' get db 'GET' put db 'PUT' BLK db "512", 0, 0, 0 SRV db "192.168.1.115", 0 rb (SRV + 256 - $) remote_addr db "file", 0 rb (remote_addr + 256 - $) local_addr db "/tmp0/1/file", 0 rb (local_addr + 256 - $) include_debug_strings I_END: last_ack dw ? size dd ? mouse_dd dd ? sc system_colors buffer rb buffer_len IM_END: