335 lines
10 KiB
NASM
335 lines
10 KiB
NASM
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2017. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; netsurf-installer - Set up Netsurf Browser on KolibriOS ;;
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;; Author: ashmew2. ;;
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;; ;;
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;; Inspired from downloader.asm by hidnplayr@kolibrios.org ;;
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;; GENERAL PUBLIC LICENSE ;;
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;; Version 2, June 1991 ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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URLMAXLEN = 65535
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FILENAMEMAXLEN = 1024
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__DEBUG_LEVEL__ = 2
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__DEBUG__ = 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 I_END ; image size
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dd I_END+0x1000 ; required memory
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dd I_END+0x1000 ; esp
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dd 0x0 ; I_Path
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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 '../../dll.inc'
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include '../../debug-fdo.inc'
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include '../../develop/libraries/http/http.inc'
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virtual at 0
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http_msg http_msg
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end virtual
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;; Parameters
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;; HTTP URL to download
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;; Target filename
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proc get_file_over_http targeturl, targetfilename
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pusha
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xor eax, eax
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mov [write_to_file.current_offset], eax
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mov [write_to_file.bufsize], eax
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mov [write_to_file.bufptr], eax
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DEBUGF 1, "---- HTTP : Getting %s\n", [targeturl]
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invoke HTTP_get, [targeturl], 0, FLAG_KEEPALIVE, 0
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cmp eax, 0
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je .http_error
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mov [httpstruct], eax
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;; No HTTP errors, create a new file for the download.
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DEBUGF 1, "---- Creating new file : %s\n", [targetfilename]
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mcall 70, create_new_file
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cmp eax, 0
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jne .file_error
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.http_receive_loop:
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DEBUGF 1, "---- Receiving over http.\n"
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DEBUGF 1, "---- Invoking http receive.\n"
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invoke HTTP_receive, [httpstruct]
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cmp eax, 0
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je .http_transfer_done
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mov ebp, [httpstruct]
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DEBUGF 1, "---- http flags = 0x%x.\n", [ebp + http_msg.flags]
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test [ebp + http_msg.flags], 0xffff0000
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jnz .http_error
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mov ebp, [ebp + http_msg.content_received]
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cmp ebp, [write_to_file.current_offset]
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jle .http_receive_loop
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;; Only proceed if we have more data in HTTP buffer than we have written to file.
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;; Process data we got (write it to the file)
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mov ebp, [httpstruct]
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mov ecx, [ebp + http_msg.content_length]
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mov edx, [ebp + http_msg.content_received]
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DEBUGF 1, "---- Current file write offset : %u (http got : %u / %u)\n", [write_to_file.current_offset], edx, ecx
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sub edx, [write_to_file.current_offset]
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mov [write_to_file.bufsize], edx
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mov ecx, [ebp + http_msg.content_ptr]
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add ecx, [write_to_file.current_offset]
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mov [write_to_file.bufptr], ecx
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DEBUGF 1, "---- ecx + offset = 0x%x\n", ecx
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DEBUGF 1, "---- Writing to file %u bytes at 0x%x to %s\n", [write_to_file.bufsize], [write_to_file.bufptr], current_filename
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mcall 70, write_to_file
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cmp eax, 0
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jne .file_error
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DEBUGF 1, "---- Wrote to file %u bytes.\n", ebx
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add [write_to_file.current_offset], ebx
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DEBUGF 1, "---- File offset updated to : %u\n", [write_to_file.current_offset]
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jmp .http_receive_loop
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.file_error:
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DEBUGF 1, "file_erroR with eax = %u!", eax
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mcall -1
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.http_error:
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DEBUGF 1, "http_erroR!"
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mcall -1
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.http_transfer_done:
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;; Write any remaining bytes from the http buffer into the file
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DEBUGF 1, "---- http flags = 0x%x.\n", [httpstruct + http_msg.flags]
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DEBUGF 1, "Got %u bytes in total\n", [httpstruct + http_msg.content_length]
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mov ebp, [httpstruct]
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mov edx, [ebp + http_msg.content_length]
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sub edx, [write_to_file.current_offset]
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mov [write_to_file.bufsize], edx
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mov ecx, [ebp + http_msg.content_ptr]
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add ecx, [write_to_file.current_offset]
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mov [write_to_file.bufptr], ecx
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DEBUGF 1, "---- Final ecx + offset = 0x%x\n", ecx
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DEBUGF 1, "-- Writing to file %u bytes at 0x%x to %s\n", [write_to_file.bufsize], [write_to_file.bufptr], current_filename
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mcall 70, write_to_file
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cmp eax, 0
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jne .file_error
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DEBUGF 1, "-- Wrote to file %u bytes.\n", ebx
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add [write_to_file.current_offset], ebx
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DEBUGF 1, "-- File offset updated to : %u\n", [write_to_file.current_offset]
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mov ebp, [httpstruct]
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mov edx, [ebp + http_msg.content_length]
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cmp [write_to_file.current_offset], edx
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jne .http_transfer_done
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invoke HTTP_free, [httpstruct]
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popa
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ret
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endp
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proc make_new_folder newfolder
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pusha
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mov eax, [newfolder]
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mov [create_new_folder.foldername], eax
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mcall 70, create_new_folder
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test eax, eax
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jz .success
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DEBUGF 1, "Failed to create folder: %s\n", [newfolder]
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mcall -1
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.success:
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popa
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ret
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endp
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START:
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mcall 68, 11 ; init heap so we can allocate memory dynamically
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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 .all_files_done_error
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stdcall make_new_folder, dirname_res
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stdcall make_new_folder, dirname_res_pointers
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stdcall make_new_folder, dirname_res_throbber
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stdcall make_new_folder, dirname_res_icons
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.get_next_file:
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mov edi, current_url
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mov esi, url
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@@:
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movsb
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cmp byte[esi], 0
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jne @b
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;; Loaded the base URL into current URL
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;; Move onto the subsequent file.
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mov esi, [filelistoffset]
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cmp byte[esi], 0
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je .all_files_done
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@@:
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movsb
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cmp byte[esi], 0
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jne @b
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movsb
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;; DEBUGF 1, "-- Current URL with filename is : %s\n", current_url
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; Create name of file we will download to
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mov esi, download_file_path
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mov edi, current_filename
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@@:
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movsb
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cmp byte[esi], 0
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jne @b
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mov esi, [filelistoffset]
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@@:
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movsb
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cmp byte[esi], 0
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jne @b
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movsb
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mov [filelistoffset], esi
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;; current_filename is now set to the name of the file
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;; current_url is now set to the name of the file we will get after download
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DEBUGF 2, "-------- [START] Fetching : %s\n", current_url
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stdcall get_file_over_http, current_url, current_filename
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DEBUGF 2, "-------- [END] Fetching : %s\n", current_url
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jmp .get_next_file
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.all_files_done:
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DEBUGF 1, "-------------------------\n"
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DEBUGF 1, "NETSURF INSTALLED. Enjoy!\n"
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;; Inform user that all files are done
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.all_files_done_error:
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DEBUGF 1, "FATAL ERROR: FAILED.\n", eax
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mcall -1
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;---------------------------------------------------------------------
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; Data area
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;-----------------------------------------------------------------------------
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align 4
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@IMPORT:
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library lib_http, 'http.obj'
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import lib_http, \
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HTTP_get, 'get', \
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HTTP_receive, 'receive', \
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HTTP_free, 'free'
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include_debug_strings
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download_file_path db '/tmp0/1/', 0
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dirname_res db '/tmp0/1/res', 0
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dirname_res_pointers db '/tmp0/1/res/pointers', 0
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dirname_res_throbber db '/tmp0/1/res/throbber', 0
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dirname_res_icons db '/tmp0/1/res/icons', 0
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url db 'www.ashmew2.me/',0
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filelist db 'nskolibrios', 0
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db 'res/adblock.css', 0
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db 'res/quirks.css', 0
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db 'res/Messages', 0
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db 'res/licence.html', 0
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db 'res/default.css', 0
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db 'res/netsurf.png', 0
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db 'res/sans.ttf', 0
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db 'res/welcome.html', 0
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db 'res/internal.css', 0
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db 'res/maps.html', 0
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db 'res/favicon.png', 0
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db 'res/credits.html', 0
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db 'res/throbber/throbber8.png', 0
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db 'res/throbber/throbber3.png', 0
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db 'res/throbber/throbber4.png', 0
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db 'res/throbber/throbber0.png', 0
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db 'res/throbber/throbber6.png', 0
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db 'res/throbber/throbber2.png', 0
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db 'res/throbber/throbber1.png', 0
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db 'res/throbber/throbber7.png', 0
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db 'res/throbber/throbber5.png', 0
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db 'res/pointers/point.png', 0
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db 'res/pointers/no_drop.png', 0
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db 'res/pointers/wait.png', 0
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db 'res/pointers/up-down.png', 0
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db 'res/pointers/help.png', 0
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db 'res/pointers/ru-ld.png', 0
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db 'res/pointers/menu.png', 0
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db 'res/pointers/not_allowed.png', 0
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db 'res/pointers/cross.png', 0
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db 'res/pointers/default.png', 0
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db 'res/pointers/caret.png', 0
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db 'res/pointers/left-right.png', 0
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db 'res/pointers/lu-rd.png', 0
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db 'res/pointers/progress.png', 0
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db 'res/pointers/move.png', 0
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db 'res/icons/back.png', 0
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db 'res/icons/back_g.png', 0
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db 'res/icons/scrollr.png', 0
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db 'res/icons/osk.png', 0
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db 'res/icons/forward_g.png', 0
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db 'res/icons/scrolll.png', 0
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db 'res/icons/history.png', 0
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db 'res/icons/forward.png', 0
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db 'res/icons/home_g.png', 0
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db 'res/icons/history_g.png', 0
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db 'res/icons/reload_g.png', 0
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db 'res/icons/scrollu.png', 0
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db 'res/icons/stop.png', 0
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db 'res/icons/scrolld.png', 0
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db 'res/icons/stop_g.png', 0
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db 'res/icons/home.png', 0
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db 'res/icons/reload.png', 0
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db 0
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current_url rb URLMAXLEN
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filelistoffset dd filelist
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current_filename rb FILENAMEMAXLEN
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httpstruct dd 0
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create_new_file dd 2, 0, 0, 0, 0
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db 0
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dd current_filename
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create_new_folder dd 9, 0, 0, 0, 0
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db 0
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.foldername dd 0
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write_to_file dd 3
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.current_offset dd 0, 0
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.bufsize dd 0
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.bufptr dd 0
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db 0
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dd current_filename
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I_END:
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