forked from KolibriOS/kolibrios
1202 lines
31 KiB
NASM
1202 lines
31 KiB
NASM
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2009-2013. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; downloader.asm - HTTP client for KolibriOS ;;
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;; ;;
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;; Based on HTTPC.asm for menuetos by ville turjanmaa ;;
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;; ;;
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;; Programmers: Barsuk, Clevermouse, Marat Zakiyanov, ;;
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;; Kirill Lipatov, dunkaist, HidnPlayr ;;
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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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URLMAXLEN = 1024
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primary_buffer_size = 4096
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__DEBUG__ = 1
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__DEBUG_LEVEL__ = 1
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format binary as ""
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use32
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org 0x0
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db 'MENUET01' ; header
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dd 0x01 ; header version
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dd START ; entry point
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dd IM_END ; image size
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dd I_END ; required memory
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dd I_END ; esp
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dd params ; I_PARAM
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dd 0x0 ; I_Path
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include '../macros.inc'
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include '../proc32.inc'
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include '../network.inc'
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include '../../../../../programs/develop/libraries/box_lib/trunk/box_lib.mac'
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include '../dll.inc'
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include '../debug-fdo.inc'
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START:
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mcall 68, 11 ; init heap so we can allocate memory dynamically
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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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; prepare webAddr area
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mov al, ' '
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mov edi, webAddr
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mov ecx, URLMAXLEN
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rep stosb
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xor eax, eax
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stosb
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; prepare document area
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mov al, '/'
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mov edi, document
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stosb
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mov al, ' '
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mov ecx, URLMAXLEN-1
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rep stosb
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call load_settings
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cmp byte[params], 0
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je prepare_event ;red
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; we have an url
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mov edi, document_user
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mov al, ' '
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mov ecx, URLMAXLEN
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rep stosb
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mov esi, params
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mov edi, document_user
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; copy untill space or 0
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.copy_param:
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mov al, [esi]
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test al, al
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jz .done
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cmp al, ' '
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jz .done_inc
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mov [edi], al
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inc esi
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inc edi
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jmp .copy_param
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.done_inc:
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; url is followed by shared memory name.
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inc esi
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.done:
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mov [shared_name], esi
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mov ah, 22 ; strange way to tell that socket should be opened...
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call socket_commands
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jmp still
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prepare_event:
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; Report events
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; Stack 8 + defaults
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mcall 40, 10100111b
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red: ; redraw
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call draw_window
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still:
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mcall 23, 1 ; wait here for event
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cmp eax, 1 ; redraw request ?
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je red
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cmp eax, 2 ; key in buffer ?
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je key
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cmp eax, 3 ; button in buffer ?
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je button
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cmp eax, 6 ; mouse in buffer ?
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je mouse
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; Get the web page data from the remote server
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cmp eax, 8
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jne still
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call read_incoming_data
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cmp [status], 4
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je .no_send
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mov [onoff], 1
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call send_request
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.no_send:
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call print_status
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cmp [prev_status], 4
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jne no_close
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cmp [status], 4 ; connection closed by server
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jbe no_close ; respond to connection close command
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; draw page
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call read_incoming_data
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mcall close, [socketnum]
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mov [onoff], 0
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no_close:
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jmp still
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key:
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mcall 2 ; read key
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stdcall [edit_box_key], dword edit1
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shr eax, 8
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cmp eax, 13
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je retkey
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jmp still
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button:
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mcall 17 ; get id
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cmp ah, 26
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je save
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cmp ah, 1 ; button id=1 ?
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jne noclose
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; DEBUGF 1, "Closing socket before exit...\n"
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close_end_exit:
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exit:
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or eax, -1 ; close this program
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mcall
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mouse:
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stdcall [edit_box_mouse], edit1
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jmp still
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save:
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DEBUGF 1, "file saved\n"
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mcall 70, fileinfo
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mov ecx, [sc.work_text]
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or ecx, 0x80000000
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mcall 4, <10, 93>, , download_complete
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jmp still
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noclose:
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cmp ah, 31
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jne noup
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sub [display_from], 20
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jmp still
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noup:
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cmp ah, 32
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jne nourl
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add [display_from], 20
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jmp still
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retkey:
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mov ah, 22 ; start load
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nourl:
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call socket_commands ; opens or closes the connection
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jmp still
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;****************************************************************************
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; Function
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; send_request
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;
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; Description
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; Transmits the GET request to the server.
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; This is done as GET then URL then HTTP/1.1', 13, 10, 13, 10 in 3 packets
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;
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;****************************************************************************
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send_request:
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pusha
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mov esi, string0
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mov edi, request
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movsd
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; If proxy is used, make absolute URI - prepend http://<host>
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cmp byte[proxyAddr], 0
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jz .noproxy
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mov dword[edi], 'http'
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mov byte[edi+4], ':'
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mov word[edi+5], '//'
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add edi, 7
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mov esi, webAddr
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.copy_host_loop:
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lodsb
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cmp al, ' '
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jz .noproxy
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stosb
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jmp .copy_host_loop
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.noproxy:
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xor edx, edx ; 0
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.next_edx:
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; Determine the length of the url to send in the GET request
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mov al, [edx+document]
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cmp al, ' '
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je .document_done
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mov [edi], al
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inc edi
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inc edx
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jmp .next_edx
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.document_done:
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mov esi, stringh
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mov ecx, stringh_end-stringh
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rep movsb
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xor edx, edx ; 0
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.webaddr_next:
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mov al, [webAddr + edx]
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cmp al, ' '
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je .webaddr_done
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mov [edi], al
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inc edi
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inc edx
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jmp .webaddr_next
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.webaddr_done:
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cmp byte[proxyUser], 0
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jz @f
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call append_proxy_auth_header
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@@:
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mov esi, connclose
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mov ecx, connclose_end-connclose
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rep movsb
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pusha
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mov eax, 63
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mov ebx, 1
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mov edx, request
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@@:
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mov cl, [edx]
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cmp edx, edi
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jz @f
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mcall
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inc edx
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jmp @b
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@@:
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popa
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mov esi, edi
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sub esi, request ; length
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xor edi, edi ; flags
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;;;;now write \r\nConnection: Close \r\n\r\n
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mcall send, [socketnum], request ;' HTTP/1.1 .. '
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popa
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ret
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;****************************************************************************
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; Function
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; print_status
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;
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; Description
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; displays the socket/data received status information
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;
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;****************************************************************************
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print_status:
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pusha
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mcall 26, 9
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cmp eax, [nextupdate]
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jb status_return
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add eax, 25
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mov [nextupdate], eax
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|
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mov ecx, [winys]
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shl ecx, 16
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add ecx, -18 shl 16 + 10
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mcall 13, <5, 100>, , 0xffffff
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mov edx, 12 shl 16 - 18
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add edx, [winys]
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xor esi, esi
|
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mcall 47, <3, 0>, [status], ,
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|
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mov edx, 40 shl 16 - 18
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add edx, [winys]
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mcall , <6, 0>, [pos]
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|
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status_return:
|
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popa
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ret
|
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|
|
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;****************************************************************************
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; Function
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; read_incoming_data
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;
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; Description
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; receive the web page from the server, storing it without processing
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;
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;****************************************************************************
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read_incoming_data:
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cmp [onoff], 1
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je .rid
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ret
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.rid:
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push esi
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push edi
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DEBUGF 1, "rid\n"
|
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|
|
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.read:
|
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mcall recv, [socketnum], primary_buf, primary_buffer_size, 0
|
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inc eax ; -1 = error (socket closed?)
|
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jz .no_more_data
|
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dec eax ; 0 bytes...
|
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jz .read
|
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|
|
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mov edi, [pos]
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add [pos], eax
|
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|
push eax
|
|||
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mcall 68, 20, [pos], [buf_ptr]
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mov [buf_ptr], eax
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add edi, eax
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mov esi, primary_buf
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|
pop ecx ; number of recently read bytes
|
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lea edx, [ecx - 3]
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rep movsb
|
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|
|
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.no_more_data:
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|
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; mov [status], 4 ; connection closed by server
|
|||
|
|
|||
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call parse_result
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mov ecx, [shared_name]
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test ecx, ecx
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jz @f
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cmp [ecx], byte 0
|
|||
|
jnz save_in_shared
|
|||
|
@@:
|
|||
|
|
|||
|
mcall 70, fileinfo
|
|||
|
|
|||
|
mov ecx, [sc.work_text]
|
|||
|
or ecx, 0x80000000
|
|||
|
mcall 4, <10, 93>, , download_complete
|
|||
|
DEBUGF 1, "file saved\n"
|
|||
|
|
|||
|
pop edi
|
|||
|
pop esi
|
|||
|
|
|||
|
; if called from command line, then exit
|
|||
|
cmp byte[params], 0
|
|||
|
jne exit
|
|||
|
|
|||
|
ret
|
|||
|
|
|||
|
save_in_shared:
|
|||
|
|
|||
|
mov esi, 1 ; SHM_OPEN+SHM_WRITE
|
|||
|
mcall 68, 22
|
|||
|
test eax, eax
|
|||
|
jz save_in_shared_done
|
|||
|
|
|||
|
sub edx, 4
|
|||
|
jbe save_in_shared_done
|
|||
|
|
|||
|
mov ecx, [final_size]
|
|||
|
cmp ecx, edx
|
|||
|
jb @f
|
|||
|
|
|||
|
mov ecx, edx
|
|||
|
@@:
|
|||
|
mov [eax], ecx
|
|||
|
lea edi, [eax+4]
|
|||
|
mov esi, [final_buffer]
|
|||
|
mov edx, ecx
|
|||
|
shr ecx, 2
|
|||
|
rep movsd
|
|||
|
mov ecx, edx
|
|||
|
and ecx, 3
|
|||
|
rep movsb
|
|||
|
|
|||
|
save_in_shared_done:
|
|||
|
pop edi
|
|||
|
pop esi
|
|||
|
jmp exit
|
|||
|
|
|||
|
; this function cuts header, and removes chunk sizes if doc is chunked
|
|||
|
; in: buf_ptr, pos; out: buf_ptr, pos.
|
|||
|
|
|||
|
parse_result:
|
|||
|
; close socket
|
|||
|
mcall close, [socketnum]
|
|||
|
|
|||
|
DEBUGF 1, "close socketnum: 0x%x\n", eax
|
|||
|
mov edi, [buf_ptr]
|
|||
|
mov edx, [pos]
|
|||
|
mov [buf_size], edx
|
|||
|
; mcall 70, fileinfo_tmp
|
|||
|
DEBUGF 1, "pos = 0x%x\n", edx
|
|||
|
|
|||
|
; first, find end of headers
|
|||
|
.next_byte:
|
|||
|
cmp dword[edi], 0x0d0a0d0a ; <20><><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
je .end_of_headers
|
|||
|
cmp dword[edi], 0x0a0d0a0d
|
|||
|
je .end_of_headers
|
|||
|
inc edi
|
|||
|
dec edx
|
|||
|
jne .next_byte
|
|||
|
; no end of headers. it's an error. let client see all those headers.
|
|||
|
ret
|
|||
|
|
|||
|
.end_of_headers:
|
|||
|
; here we look at headers and search content-length or transfer-encoding headers
|
|||
|
; DEBUGF 1, "eoh\n"
|
|||
|
|
|||
|
sub edi, [buf_ptr]
|
|||
|
add edi, 4
|
|||
|
mov [body_pos], edi ; store position where document body starts
|
|||
|
mov [is_chunked], 0
|
|||
|
; find content-length in headers
|
|||
|
; not good method, but should work for 'Content-Length:'
|
|||
|
mov esi, [buf_ptr]
|
|||
|
mov edi, s_contentlength
|
|||
|
mov ebx, [body_pos]
|
|||
|
xor edx, edx ; 0
|
|||
|
.cl_next:
|
|||
|
mov al, [esi]
|
|||
|
cmp al, [edi + edx]
|
|||
|
jne .cl_fail
|
|||
|
inc edx
|
|||
|
cmp edx, len_contentlength
|
|||
|
je .cl_found
|
|||
|
jmp .cl_incr
|
|||
|
.cl_fail:
|
|||
|
xor edx, edx ; 0
|
|||
|
.cl_incr:
|
|||
|
inc esi
|
|||
|
dec ebx
|
|||
|
je .cl_error
|
|||
|
jmp .cl_next
|
|||
|
.cl_error:
|
|||
|
; DEBUGF 1, "content-length not found\n"
|
|||
|
|
|||
|
; find 'chunked'
|
|||
|
; <20><>, <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>, <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
; <20> <20><><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
mov esi, [buf_ptr]
|
|||
|
mov edi, s_chunked
|
|||
|
mov ebx, [body_pos]
|
|||
|
xor edx, edx ; 0
|
|||
|
|
|||
|
.ch_next:
|
|||
|
mov al, [esi]
|
|||
|
cmp al, [edi + edx]
|
|||
|
jne .ch_fail
|
|||
|
inc edx
|
|||
|
cmp edx, len_chunked
|
|||
|
je .ch_found
|
|||
|
jmp .ch_incr
|
|||
|
|
|||
|
.ch_fail:
|
|||
|
xor edx, edx ; 0
|
|||
|
|
|||
|
.ch_incr:
|
|||
|
inc esi
|
|||
|
dec ebx
|
|||
|
je .ch_error
|
|||
|
jmp .ch_next
|
|||
|
|
|||
|
.ch_error:
|
|||
|
; if neither of the 2 headers is found, it's an error
|
|||
|
; DEBUGF 1, "transfer-encoding: chunked not found\n"
|
|||
|
mov eax, [pos]
|
|||
|
sub eax, [body_pos]
|
|||
|
jmp .write_final_size
|
|||
|
|
|||
|
.ch_found:
|
|||
|
mov [is_chunked], 1
|
|||
|
mov eax, [body_pos]
|
|||
|
add eax, [buf_ptr]
|
|||
|
sub eax, 2
|
|||
|
mov [prev_chunk_end], eax
|
|||
|
jmp parse_chunks
|
|||
|
|
|||
|
.cl_found:
|
|||
|
call read_number ; eax = number from *esi
|
|||
|
|
|||
|
.write_final_size:
|
|||
|
mov [final_size], eax ; if this works, i will b very happy...
|
|||
|
|
|||
|
mov ebx, [pos] ; we well check if it is right
|
|||
|
sub ebx, [body_pos]
|
|||
|
|
|||
|
; everything is ok, so we return
|
|||
|
mov eax, [body_pos]
|
|||
|
mov ebx, [buf_ptr]
|
|||
|
add ebx, eax
|
|||
|
mov [final_buffer], ebx
|
|||
|
; mov ebx, [pos]
|
|||
|
; sub ebx, eax
|
|||
|
; mov [final_size], ebx
|
|||
|
ret
|
|||
|
|
|||
|
parse_chunks:
|
|||
|
; DEBUGF 1, "parse chunks\n"
|
|||
|
; we have to look through the data and remove sizes of chunks we see
|
|||
|
; 1. read size of next chunk
|
|||
|
; 2. if 0, it's end. if not, continue.
|
|||
|
; 3. make a good buffer and copy a chunk there
|
|||
|
xor eax, eax
|
|||
|
mov [final_buffer], eax ; 0
|
|||
|
mov [final_size], eax ; 0
|
|||
|
|
|||
|
.read_size:
|
|||
|
mov eax, [prev_chunk_end]
|
|||
|
mov ebx, eax
|
|||
|
sub ebx, [buf_ptr]
|
|||
|
mov edx, eax
|
|||
|
; DEBUGF 1, "rs "
|
|||
|
cmp ebx, [pos]
|
|||
|
jae chunks_end ; not good
|
|||
|
|
|||
|
call read_hex ; in: eax=pointer to text. out:eax=hex number, ebx=end of text.
|
|||
|
cmp eax, 0
|
|||
|
jz chunks_end
|
|||
|
|
|||
|
add ebx, 1
|
|||
|
mov edx, ebx ; edx = size of size of chunk
|
|||
|
|
|||
|
add ebx, eax
|
|||
|
mov [prev_chunk_end], ebx
|
|||
|
|
|||
|
; DEBUGF 1, "sz "
|
|||
|
|
|||
|
; do copying: from buf_ptr+edx to final_buffer+prev_final_size count eax
|
|||
|
; realloc final buffer
|
|||
|
push eax
|
|||
|
push edx
|
|||
|
push dword [final_size]
|
|||
|
add [final_size], eax
|
|||
|
mcall 68, 20, [final_size], [final_buffer]
|
|||
|
mov [final_buffer], eax
|
|||
|
; DEBUGF 1, "re "
|
|||
|
pop edi
|
|||
|
pop esi
|
|||
|
pop ecx
|
|||
|
; add [pos], ecx
|
|||
|
add edi, [final_buffer]
|
|||
|
; DEBUGF 1, "cp "
|
|||
|
|
|||
|
rep movsb
|
|||
|
jmp .read_size
|
|||
|
|
|||
|
chunks_end:
|
|||
|
; free old buffer
|
|||
|
DEBUGF 1, "chunks end\n"
|
|||
|
|
|||
|
mcall 68, 13, [buf_ptr]
|
|||
|
; done!
|
|||
|
ret
|
|||
|
|
|||
|
; reads content-length from [edi+ecx], result in eax
|
|||
|
read_number:
|
|||
|
push ebx
|
|||
|
xor eax, eax
|
|||
|
xor ebx, ebx
|
|||
|
|
|||
|
.next:
|
|||
|
mov bl, [esi]
|
|||
|
|
|||
|
cmp bl, '0'
|
|||
|
jb .not_number
|
|||
|
cmp bl, '9'
|
|||
|
ja .not_number
|
|||
|
sub bl, '0'
|
|||
|
shl eax, 1
|
|||
|
lea eax, [eax + eax * 4] ; eax *= 10
|
|||
|
add eax, ebx
|
|||
|
|
|||
|
.not_number:
|
|||
|
cmp bl, 13
|
|||
|
je .done
|
|||
|
inc esi
|
|||
|
jmp .next
|
|||
|
|
|||
|
.done:
|
|||
|
pop ebx
|
|||
|
ret
|
|||
|
|
|||
|
; reads hex from eax, result in eax, end of text in ebx
|
|||
|
read_hex:
|
|||
|
add eax, 2
|
|||
|
mov ebx, eax
|
|||
|
mov eax, [ebx]
|
|||
|
mov [deba], eax
|
|||
|
|
|||
|
xor eax, eax
|
|||
|
xor ecx, ecx
|
|||
|
.next:
|
|||
|
mov cl, [ebx]
|
|||
|
inc ebx
|
|||
|
|
|||
|
cmp cl, 0x0d
|
|||
|
jz .done
|
|||
|
|
|||
|
or cl, 0x20
|
|||
|
sub cl, '0'
|
|||
|
jb .bad
|
|||
|
|
|||
|
cmp cl, 0x9
|
|||
|
jbe .adding
|
|||
|
|
|||
|
sub cl, 'a'-'0'-10
|
|||
|
cmp cl, 0x0a
|
|||
|
jb .bad
|
|||
|
|
|||
|
cmp cl, 0x0f
|
|||
|
ja .bad
|
|||
|
|
|||
|
.adding:
|
|||
|
shl eax, 4
|
|||
|
or eax, ecx
|
|||
|
; jmp .not_number
|
|||
|
;.bad:
|
|||
|
.bad:
|
|||
|
jmp .next
|
|||
|
.done:
|
|||
|
|
|||
|
ret
|
|||
|
|
|||
|
;****************************************************************************
|
|||
|
; Function
|
|||
|
; socket_commands
|
|||
|
;
|
|||
|
; Description
|
|||
|
; opens or closes the socket
|
|||
|
;
|
|||
|
;****************************************************************************
|
|||
|
socket_commands:
|
|||
|
cmp ah, 22 ; open socket
|
|||
|
jne tst3
|
|||
|
|
|||
|
DEBUGF 1, "opening socket\n"
|
|||
|
|
|||
|
; Clear all page memory
|
|||
|
xor eax, eax
|
|||
|
mov [prev_chunk_end], eax ; 0
|
|||
|
cmp [buf_ptr], eax ; 0
|
|||
|
jz no_free
|
|||
|
|
|||
|
mcall 68, 13, [buf_ptr] ; free buffer
|
|||
|
|
|||
|
no_free:
|
|||
|
xor eax, eax
|
|||
|
mov [buf_size], eax ; 0
|
|||
|
; Parse the entered url
|
|||
|
call parse_url
|
|||
|
|
|||
|
mov edx, 80
|
|||
|
cmp byte [proxyAddr], 0
|
|||
|
jz @f
|
|||
|
mov eax, [proxyPort]
|
|||
|
xchg al, ah
|
|||
|
mov [server_port], ax
|
|||
|
@@:
|
|||
|
|
|||
|
mcall socket, AF_INET4, SOCK_STREAM, 0
|
|||
|
mov [socketnum], eax
|
|||
|
mcall connect, [socketnum], sockaddr1, 18
|
|||
|
mov [pagexs], 80
|
|||
|
|
|||
|
push eax
|
|||
|
xor eax, eax ; 0
|
|||
|
mov [pos], eax
|
|||
|
mov [pagex], eax
|
|||
|
mov [pagey], eax
|
|||
|
mov [command_on_off], eax
|
|||
|
mov [is_body], eax
|
|||
|
pop eax
|
|||
|
ret
|
|||
|
|
|||
|
tst3:
|
|||
|
cmp ah, 24 ; close socket
|
|||
|
jne no_24
|
|||
|
|
|||
|
mcall close, [socketnum]
|
|||
|
no_24:
|
|||
|
ret
|
|||
|
|
|||
|
;****************************************************************************
|
|||
|
; Function
|
|||
|
; parse_url
|
|||
|
;
|
|||
|
; Description
|
|||
|
; parses the full url typed in by the user into a web address ( that
|
|||
|
; can be turned into an IP address by DNS ) and the page to display
|
|||
|
; DNS will be used to translate the web address into an IP address, if
|
|||
|
; needed.
|
|||
|
; url is at document_user and will be space terminated.
|
|||
|
; web address goes to webAddr and is space terminated.
|
|||
|
; ip address goes to server_ip
|
|||
|
; page goes to document and is space terminated.
|
|||
|
;
|
|||
|
; Supported formats:
|
|||
|
; <protocol://>address<page>
|
|||
|
; <protocol> is optional, removed and ignored - only http supported
|
|||
|
; <address> is required. It can be an ip address or web address
|
|||
|
; <page> is optional and must start with a leading / character
|
|||
|
;
|
|||
|
;****************************************************************************
|
|||
|
parse_url:
|
|||
|
; First, reset destination variables
|
|||
|
mov al, ' '
|
|||
|
mov edi, document
|
|||
|
mov ecx, URLMAXLEN
|
|||
|
rep stosb
|
|||
|
mov edi, webAddr
|
|||
|
mov ecx, URLMAXLEN
|
|||
|
rep stosb
|
|||
|
|
|||
|
mov al, '/'
|
|||
|
mov [document], al
|
|||
|
|
|||
|
mov esi, document_user
|
|||
|
; remove any leading protocol text
|
|||
|
mov ecx, URLMAXLEN
|
|||
|
mov ax, '//'
|
|||
|
|
|||
|
pu_000:
|
|||
|
cmp [esi], byte ' ' ; end of text?
|
|||
|
je pu_002 ; yep, so not found
|
|||
|
cmp [esi], ax
|
|||
|
je pu_001 ; Found it, so esi+2 is start
|
|||
|
inc esi
|
|||
|
loop pu_000
|
|||
|
|
|||
|
pu_002:
|
|||
|
; not found, so reset esi to start
|
|||
|
mov esi, document_user-2
|
|||
|
|
|||
|
pu_001:
|
|||
|
add esi, 2
|
|||
|
mov ebx, esi ; save address of start of web address
|
|||
|
mov edi, document_user + URLMAXLEN ; end of string
|
|||
|
; look for page delimiter - it's a '/' character
|
|||
|
pu_003:
|
|||
|
cmp [esi], byte ' ' ; end of text?
|
|||
|
je pu_004 ; yep, so none found
|
|||
|
cmp esi, edi ; end of string?
|
|||
|
je pu_004 ; yep, so none found
|
|||
|
cmp [esi], byte '/' ; delimiter?
|
|||
|
je pu_005 ; yep - process it
|
|||
|
inc esi
|
|||
|
jmp pu_003
|
|||
|
|
|||
|
pu_005:
|
|||
|
; copy page to document address
|
|||
|
; esi = delimiter
|
|||
|
push esi
|
|||
|
mov ecx, edi ; end of document_user
|
|||
|
mov edi, document
|
|||
|
|
|||
|
pu_006:
|
|||
|
movsb
|
|||
|
cmp esi, ecx
|
|||
|
je pu_007 ; end of string?
|
|||
|
cmp [esi], byte ' ' ; end of text
|
|||
|
; je pu_007 ; <20><><EFBFBD><EFBFBD>-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
; jmp pu_006 ; <20><> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
jne pu_006
|
|||
|
|
|||
|
pu_007:
|
|||
|
pop esi ; point esi to '/' delimiter
|
|||
|
|
|||
|
pu_004:
|
|||
|
; copy web address to webAddr
|
|||
|
; start in ebx, end in esi-1
|
|||
|
mov ecx, esi
|
|||
|
mov esi, ebx
|
|||
|
mov edi, webAddr
|
|||
|
|
|||
|
pu_008:
|
|||
|
movsb
|
|||
|
cmp esi, ecx
|
|||
|
; je pu_009 ; <20><><EFBFBD><EFBFBD>-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
; jmp pu_008 ; <20><> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
jne pu_008
|
|||
|
|
|||
|
pu_009:
|
|||
|
; For debugging, display resulting strings
|
|||
|
DEBUGF 1, "%s", document_user
|
|||
|
DEBUGF 1, "%s", webAddr
|
|||
|
DEBUGF 1, "%s", document
|
|||
|
|
|||
|
; Look up the ip address, or was it specified?
|
|||
|
mov al, [proxyAddr]
|
|||
|
cmp al, 0
|
|||
|
jnz pu_015
|
|||
|
mov al, [webAddr]
|
|||
|
pu_015:
|
|||
|
cmp al, '0'
|
|||
|
jb pu_010 ; Resolve address
|
|||
|
cmp al, '9'
|
|||
|
ja pu_010 ; Resolve address
|
|||
|
|
|||
|
DEBUGF 1, "GotIP\n"
|
|||
|
|
|||
|
; Convert address
|
|||
|
; If proxy is given, get proxy address instead of server
|
|||
|
mov esi, proxyAddr-1
|
|||
|
cmp byte[esi+1], 0
|
|||
|
jne pu_020
|
|||
|
mov esi, webAddr-1
|
|||
|
|
|||
|
pu_020:
|
|||
|
mov edi, server_ip
|
|||
|
xor eax, eax
|
|||
|
|
|||
|
ip1:
|
|||
|
inc esi
|
|||
|
cmp [esi], byte '0'
|
|||
|
jb ip2
|
|||
|
cmp [esi], byte '9'
|
|||
|
ja ip2
|
|||
|
imul eax, 10
|
|||
|
movzx ebx, byte [esi]
|
|||
|
sub ebx, 48
|
|||
|
add eax, ebx
|
|||
|
jmp ip1
|
|||
|
|
|||
|
ip2:
|
|||
|
mov [edi], al
|
|||
|
xor eax, eax
|
|||
|
inc edi
|
|||
|
cmp edi, server_ip+3
|
|||
|
jbe ip1
|
|||
|
jmp pu_011
|
|||
|
|
|||
|
pu_010:
|
|||
|
DEBUGF 1, "Resolving...\n"
|
|||
|
|
|||
|
; resolve name
|
|||
|
push esp ; reserve stack place
|
|||
|
push esp ; fourth parameter
|
|||
|
push 0 ; third parameter
|
|||
|
push 0 ; second parameter
|
|||
|
push webAddr
|
|||
|
call [getaddrinfo]
|
|||
|
pop esi
|
|||
|
; test for error
|
|||
|
test eax, eax
|
|||
|
; jnz .fail_dns
|
|||
|
|
|||
|
; fill in ip in sockstruct
|
|||
|
mov eax, [esi + addrinfo.ai_addr]
|
|||
|
mov eax, [eax + sockaddr_in.sin_addr]
|
|||
|
mov [server_ip], eax
|
|||
|
|
|||
|
|
|||
|
DEBUGF 1, "Resolved\n"
|
|||
|
|
|||
|
pu_011:
|
|||
|
|
|||
|
ret
|
|||
|
|
|||
|
;***************************************************************************
|
|||
|
; Function
|
|||
|
; load_settings
|
|||
|
;
|
|||
|
; Description
|
|||
|
; Load settings from configuration file network.ini
|
|||
|
;
|
|||
|
;***************************************************************************
|
|||
|
load_settings:
|
|||
|
|
|||
|
invoke ini.get_str, inifile, sec_proxy, key_proxy, proxyAddr, 256, proxyAddr
|
|||
|
invoke ini.get_int, inifile, sec_proxy, key_proxyport, 80
|
|||
|
mov [proxyPort], eax
|
|||
|
invoke ini.get_str, inifile, sec_proxy, key_user, proxyUser, 256, proxyUser
|
|||
|
invoke ini.get_str, inifile, sec_proxy, key_password, proxyPassword, 256, proxyPassword
|
|||
|
|
|||
|
ret
|
|||
|
|
|||
|
;***************************************************************************
|
|||
|
; Function
|
|||
|
; append_proxy_auth_header
|
|||
|
;
|
|||
|
; Description
|
|||
|
; Append header to HTTP request for proxy authentification
|
|||
|
;
|
|||
|
;***************************************************************************
|
|||
|
append_proxy_auth_header:
|
|||
|
mov esi, proxy_auth_basic
|
|||
|
mov ecx, proxy_auth_basic_end - proxy_auth_basic
|
|||
|
rep movsb
|
|||
|
; base64-encode string <user>:<password>
|
|||
|
mov esi, proxyUser
|
|||
|
|
|||
|
apah000:
|
|||
|
lodsb
|
|||
|
test al, al
|
|||
|
jz apah001
|
|||
|
call encode_base64_byte
|
|||
|
jmp apah000
|
|||
|
|
|||
|
apah001:
|
|||
|
mov al, ':'
|
|||
|
call encode_base64_byte
|
|||
|
mov esi, proxyPassword
|
|||
|
|
|||
|
apah002:
|
|||
|
lodsb
|
|||
|
test al, al
|
|||
|
jz apah003
|
|||
|
call encode_base64_byte
|
|||
|
jmp apah002
|
|||
|
|
|||
|
apah003:
|
|||
|
call encode_base64_final
|
|||
|
ret
|
|||
|
|
|||
|
encode_base64_byte:
|
|||
|
inc ecx
|
|||
|
shl edx, 8
|
|||
|
mov dl, al
|
|||
|
cmp ecx, 3
|
|||
|
je ebb001
|
|||
|
ret
|
|||
|
|
|||
|
ebb001:
|
|||
|
shl edx, 8
|
|||
|
inc ecx
|
|||
|
|
|||
|
ebb002:
|
|||
|
rol edx, 6
|
|||
|
xor eax, eax
|
|||
|
xchg al, dl
|
|||
|
mov al, [base64_table+eax]
|
|||
|
stosb
|
|||
|
loop ebb002
|
|||
|
ret
|
|||
|
|
|||
|
encode_base64_final:
|
|||
|
mov al, 0
|
|||
|
test ecx, ecx
|
|||
|
jz ebf000
|
|||
|
call encode_base64_byte
|
|||
|
test ecx, ecx
|
|||
|
jz ebf001
|
|||
|
call encode_base64_byte
|
|||
|
mov byte [edi-2], '='
|
|||
|
|
|||
|
ebf001:
|
|||
|
mov byte [edi-1], '='
|
|||
|
|
|||
|
ebf000:
|
|||
|
ret
|
|||
|
|
|||
|
; *********************************************
|
|||
|
; ******* WINDOW DEFINITIONS AND DRAW ********
|
|||
|
; *********************************************
|
|||
|
|
|||
|
draw_window:
|
|||
|
|
|||
|
mcall 12, 1
|
|||
|
|
|||
|
mcall 48, 3, sc, 40 ;get system colors
|
|||
|
|
|||
|
mov edx, [sc.work]
|
|||
|
or edx, 0x34000000
|
|||
|
mcall 0, <50, 370>, <350, 140>, , 0, title ;draw window
|
|||
|
|
|||
|
mov ecx, [sc.work_text]
|
|||
|
or ecx, 80000000h
|
|||
|
mcall 4, <14, 14>, , type_pls ;"URL:"
|
|||
|
|
|||
|
edit_boxes_set_sys_color edit1, editboxes_end, sc
|
|||
|
stdcall [edit_box_draw], edit1
|
|||
|
|
|||
|
; RELOAD
|
|||
|
mcall 8, <90, 68>, <54, 16>, 22, [sc.work_button]
|
|||
|
; STOP
|
|||
|
mcall , <166, 50>, <54, 16>, 24
|
|||
|
; SAVE
|
|||
|
mcall , <224, 54>, , 26
|
|||
|
; BUTTON TEXT
|
|||
|
mov ecx, [sc.work_button_text]
|
|||
|
or ecx, 80000000h
|
|||
|
mcall 4, <102, 59>, , button_text
|
|||
|
|
|||
|
mcall 12, 2 ; end window redraw
|
|||
|
ret
|
|||
|
;-----------------------------------------------------------------------------
|
|||
|
; Data area
|
|||
|
;-----------------------------------------------------------------------------
|
|||
|
align 4
|
|||
|
@IMPORT:
|
|||
|
|
|||
|
library libini, 'libini.obj', \
|
|||
|
box_lib, 'box_lib.obj', \
|
|||
|
network, 'network.obj'
|
|||
|
|
|||
|
import libini, \
|
|||
|
ini.get_str, 'ini_get_str', \
|
|||
|
ini.get_int, 'ini_get_int'
|
|||
|
|
|||
|
import box_lib, \
|
|||
|
edit_box_draw, 'edit_box', \
|
|||
|
edit_box_key, 'edit_box_key', \
|
|||
|
edit_box_mouse, 'edit_box_mouse'
|
|||
|
|
|||
|
import network,\
|
|||
|
getaddrinfo, 'getaddrinfo',\
|
|||
|
freeaddrinfo, 'freeaddrinfo',\
|
|||
|
inet_ntoa, 'inet_ntoa'
|
|||
|
|
|||
|
;---------------------------------------------------------------------
|
|||
|
fileinfo dd 2, 0, 0
|
|||
|
final_size dd 0
|
|||
|
final_buffer dd 0
|
|||
|
db '/rd/1/.download', 0
|
|||
|
|
|||
|
body_pos dd 0
|
|||
|
|
|||
|
buf_size dd 0
|
|||
|
buf_ptr dd 0
|
|||
|
|
|||
|
deba dd 0
|
|||
|
db 0
|
|||
|
|
|||
|
;---------------------------------------------------------------------
|
|||
|
|
|||
|
mouse_dd dd 0
|
|||
|
edit1 edit_box 295, 48, 10, 0xffffff, 0xff, 0x80ff, 0, 0x8000, URLMAXLEN, document_user, mouse_dd, ed_focus+ed_always_focus, 7, 7
|
|||
|
editboxes_end:
|
|||
|
|
|||
|
;---------------------------------------------------------------------
|
|||
|
|
|||
|
include_debug_strings
|
|||
|
|
|||
|
;---------------------------------------------------------------------
|
|||
|
|
|||
|
type_pls db 'URL:', 0
|
|||
|
button_text db 'DOWNLOAD STOP RESAVE', 0
|
|||
|
download_complete db 'File saved as /rd/1/.download', 0
|
|||
|
display_from dd 20
|
|||
|
pos dd 0
|
|||
|
pagex dd 0
|
|||
|
pagey dd 0
|
|||
|
pagexs dd 80
|
|||
|
command_on_off dd 0
|
|||
|
text_type db 1
|
|||
|
com2 dd 0
|
|||
|
script dd 0
|
|||
|
socketnum dd 0
|
|||
|
|
|||
|
addr dd 0
|
|||
|
ya dd 0
|
|||
|
len dd 0
|
|||
|
|
|||
|
title db 'HTTP Downloader', 0
|
|||
|
|
|||
|
;---------------------------------------------------------------------
|
|||
|
s_contentlength db 'Content-Length:'
|
|||
|
len_contentlength = 15
|
|||
|
|
|||
|
s_chunked db 'Transfer-Encoding: chunked'
|
|||
|
len_chunked = $ - s_chunked
|
|||
|
|
|||
|
is_body dd 0 ; 0 if headers, 1 if content
|
|||
|
is_chunked dd 0
|
|||
|
prev_chunk_end dd 0
|
|||
|
cur_chunk_size dd 0
|
|||
|
|
|||
|
string0: db 'GET '
|
|||
|
|
|||
|
stringh db ' HTTP/1.1', 13, 10, 'Host: '
|
|||
|
stringh_end:
|
|||
|
proxy_auth_basic db 13, 10, 'Proxy-Authorization: Basic '
|
|||
|
proxy_auth_basic_end:
|
|||
|
connclose db 13, 10, 'User-Agent: Kolibrios Downloader', 13, 10, 'Connection: Close', 13, 10, 13, 10
|
|||
|
connclose_end:
|
|||
|
|
|||
|
base64_table db 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
|
|||
|
db '0123456789+/'
|
|||
|
|
|||
|
inifile db '/sys/network.ini', 0
|
|||
|
|
|||
|
sec_proxy:
|
|||
|
key_proxy db 'proxy', 0
|
|||
|
key_proxyport db 'port', 0
|
|||
|
key_user db 'user', 0
|
|||
|
key_password db 'password', 0
|
|||
|
|
|||
|
sockaddr1:
|
|||
|
dw AF_INET4
|
|||
|
server_port dw 0x5000 ; 80
|
|||
|
server_ip dd 0
|
|||
|
rb 10
|
|||
|
|
|||
|
proxyPort dd 80
|
|||
|
|
|||
|
shared_name dd 0
|
|||
|
|
|||
|
status dd 0x0
|
|||
|
prev_status dd 0x0
|
|||
|
|
|||
|
onoff dd 0x0
|
|||
|
|
|||
|
nextupdate dd 0
|
|||
|
winys dd 400
|
|||
|
|
|||
|
;---------------------------------------------------------------------
|
|||
|
document_user db 'http://', 0
|
|||
|
;---------------------------------------------------------------------
|
|||
|
IM_END:
|
|||
|
;---------------------------------------------------------------------
|
|||
|
rb URLMAXLEN-(IM_END - document_user)
|
|||
|
;---------------------------------------------------------------------
|
|||
|
sc system_colors
|
|||
|
;---------------------------------------------------------------------
|
|||
|
align 4
|
|||
|
document rb URLMAXLEN
|
|||
|
;---------------------------------------------------------------------
|
|||
|
align 4
|
|||
|
webAddr rb URLMAXLEN+1
|
|||
|
;---------------------------------------------------------------------
|
|||
|
|
|||
|
align 4
|
|||
|
primary_buf rb primary_buffer_size
|
|||
|
|
|||
|
params rb 1024
|
|||
|
|
|||
|
request rb 256
|
|||
|
|
|||
|
proxyAddr rb 256
|
|||
|
proxyUser rb 256
|
|||
|
proxyPassword rb 256
|
|||
|
|
|||
|
rb 4096 ; stack
|
|||
|
|
|||
|
I_END:
|
|||
|
|
|||
|
|
|||
|
|