;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2017. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;; netsurf-installer - Set up Netsurf Browser on KolibriOS ;;
;; Author: ashmew2. ;;
;; ;;
;; Inspired from downloader.asm by hidnplayr@kolibrios.org ;;
;; GENERAL PUBLIC LICENSE ;;
;; Version 2, June 1991 ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
URLMAXLEN = 65535
FILENAMEMAXLEN = 1024
__DEBUG_LEVEL__ = 2
__DEBUG__ = 1
format binary as ""
use32
org 0x0
db 'MENUET01' ; header
dd 0x01 ; header version
dd START ; entry point
dd I_END ; image size
dd I_END+0x1000 ; required memory
dd I_END+0x1000 ; esp
dd 0x0 ; I_Path
dd 0x0 ; I_Path
include '../../macros.inc'
include '../../proc32.inc'
include '../../dll.inc'
include '../../debug-fdo.inc'
include '../../develop/libraries/http/http.inc'
virtual at 0
http_msg http_msg
end virtual
;; Parameters
;; HTTP URL to download
;; Target filename
proc get_file_over_http targeturl, targetfilename
pusha
xor eax, eax
mov [write_to_file.current_offset], eax
mov [write_to_file.bufsize], eax
mov [write_to_file.bufptr], eax
DEBUGF 1, "---- HTTP : Getting %s\n", [targeturl]
invoke HTTP_get, [targeturl], 0, FLAG_KEEPALIVE, 0
cmp eax, 0
je .http_error
mov [httpstruct], eax
;; No HTTP errors, create a new file for the download.
DEBUGF 1, "---- Creating new file : %s\n", [targetfilename]
mcall 70, create_new_file
cmp eax, 0
jne .file_error
.http_receive_loop:
DEBUGF 1, "---- Receiving over http.\n"
DEBUGF 1, "---- Invoking http receive.\n"
invoke HTTP_receive, [httpstruct]
cmp eax, 0
je .http_transfer_done
mov ebp, [httpstruct]
DEBUGF 1, "---- http flags = 0x%x.\n", [ebp + http_msg.flags]
test [ebp + http_msg.flags], 0xffff0000
jnz .http_error
mov ebp, [ebp + http_msg.content_received]
cmp ebp, [write_to_file.current_offset]
jle .http_receive_loop
;; Only proceed if we have more data in HTTP buffer than we have written to file.
;; Process data we got (write it to the file)
mov ebp, [httpstruct]
mov ecx, [ebp + http_msg.content_length]
mov edx, [ebp + http_msg.content_received]
DEBUGF 1, "---- Current file write offset : %u (http got : %u / %u)\n", [write_to_file.current_offset], edx, ecx
sub edx, [write_to_file.current_offset]
mov [write_to_file.bufsize], edx
mov ecx, [ebp + http_msg.content_ptr]
add ecx, [write_to_file.current_offset]
mov [write_to_file.bufptr], ecx
DEBUGF 1, "---- ecx + offset = 0x%x\n", ecx
DEBUGF 1, "---- Writing to file %u bytes at 0x%x to %s\n", [write_to_file.bufsize], [write_to_file.bufptr], current_filename
mcall 70, write_to_file
cmp eax, 0
jne .file_error
DEBUGF 1, "---- Wrote to file %u bytes.\n", ebx
add [write_to_file.current_offset], ebx
DEBUGF 1, "---- File offset updated to : %u\n", [write_to_file.current_offset]
jmp .http_receive_loop
.file_error:
DEBUGF 1, "file_erroR with eax = %u!", eax
mcall -1
.http_error:
DEBUGF 1, "http_erroR!"
mcall -1
.http_transfer_done:
;; Write any remaining bytes from the http buffer into the file
DEBUGF 1, "---- http flags = 0x%x.\n", [httpstruct + http_msg.flags]
DEBUGF 1, "Got %u bytes in total\n", [httpstruct + http_msg.content_length]
mov ebp, [httpstruct]
mov edx, [ebp + http_msg.content_length]
sub edx, [write_to_file.current_offset]
mov [write_to_file.bufsize], edx
mov ecx, [ebp + http_msg.content_ptr]
add ecx, [write_to_file.current_offset]
mov [write_to_file.bufptr], ecx
DEBUGF 1, "---- Final ecx + offset = 0x%x\n", ecx
DEBUGF 1, "-- Writing to file %u bytes at 0x%x to %s\n", [write_to_file.bufsize], [write_to_file.bufptr], current_filename
mcall 70, write_to_file
cmp eax, 0
jne .file_error
DEBUGF 1, "-- Wrote to file %u bytes.\n", ebx
add [write_to_file.current_offset], ebx
DEBUGF 1, "-- File offset updated to : %u\n", [write_to_file.current_offset]
mov ebp, [httpstruct]
mov edx, [ebp + http_msg.content_length]
cmp [write_to_file.current_offset], edx
jne .http_transfer_done
invoke HTTP_free, [httpstruct]
popa
ret
endp
proc make_new_folder newfolder
pusha
mov eax, [newfolder]
mov [create_new_folder.foldername], eax
mcall 70, create_new_folder
test eax, eax
jz .success
DEBUGF 1, "Failed to create folder: %s\n", [newfolder]
mcall -1
.success:
popa
ret
endp
START:
mcall 68, 11 ; init heap so we can allocate memory dynamically
; load libraries
stdcall dll.Load, @IMPORT
test eax, eax
jnz .all_files_done_error
stdcall make_new_folder, dirname_res
stdcall make_new_folder, dirname_res_pointers
stdcall make_new_folder, dirname_res_throbber
stdcall make_new_folder, dirname_res_icons
.get_next_file:
mov edi, current_url
mov esi, url
@@:
movsb
cmp byte[esi], 0
jne @b
;; Loaded the base URL into current URL
;; Move onto the subsequent file.
mov esi, [filelistoffset]
cmp byte[esi], 0
je .all_files_done
@@:
movsb
cmp byte[esi], 0
jne @b
movsb
;; DEBUGF 1, "-- Current URL with filename is : %s\n", current_url
; Create name of file we will download to
mov esi, download_file_path
mov edi, current_filename
@@:
movsb
cmp byte[esi], 0
jne @b
mov esi, [filelistoffset]
@@:
movsb
cmp byte[esi], 0
jne @b
movsb
mov [filelistoffset], esi
;; current_filename is now set to the name of the file
;; current_url is now set to the name of the file we will get after download
DEBUGF 2, "-------- [START] Fetching : %s\n", current_url
stdcall get_file_over_http, current_url, current_filename
DEBUGF 2, "-------- [END] Fetching : %s\n", current_url
jmp .get_next_file
.all_files_done:
DEBUGF 1, "-------------------------\n"
DEBUGF 1, "NETSURF INSTALLED. Enjoy!\n"
;; Inform user that all files are done
.all_files_done_error:
DEBUGF 1, "FATAL ERROR: FAILED.\n", eax
mcall -1
;---------------------------------------------------------------------
; Data area
;-----------------------------------------------------------------------------
align 4
@IMPORT:
library lib_http, 'http.obj'
import lib_http, \
HTTP_get, 'get', \
HTTP_receive, 'receive', \
HTTP_free, 'free'
include_debug_strings
download_file_path db '/tmp0/1/', 0
dirname_res db '/tmp0/1/res', 0
dirname_res_pointers db '/tmp0/1/res/pointers', 0
dirname_res_throbber db '/tmp0/1/res/throbber', 0
dirname_res_icons db '/tmp0/1/res/icons', 0
url db 'www.ashmew2.me/',0
filelist db 'nskolibrios', 0
db 'res/adblock.css', 0
db 'res/quirks.css', 0
db 'res/Messages', 0
db 'res/licence.html', 0
db 'res/default.css', 0
db 'res/netsurf.png', 0
db 'res/sans.ttf', 0
db 'res/welcome.html', 0
db 'res/internal.css', 0
db 'res/maps.html', 0
db 'res/favicon.png', 0
db 'res/credits.html', 0
db 'res/throbber/throbber8.png', 0
db 'res/throbber/throbber3.png', 0
db 'res/throbber/throbber4.png', 0
db 'res/throbber/throbber0.png', 0
db 'res/throbber/throbber6.png', 0
db 'res/throbber/throbber2.png', 0
db 'res/throbber/throbber1.png', 0
db 'res/throbber/throbber7.png', 0
db 'res/throbber/throbber5.png', 0
db 'res/pointers/point.png', 0
db 'res/pointers/no_drop.png', 0
db 'res/pointers/wait.png', 0
db 'res/pointers/up-down.png', 0
db 'res/pointers/help.png', 0
db 'res/pointers/ru-ld.png', 0
db 'res/pointers/menu.png', 0
db 'res/pointers/not_allowed.png', 0
db 'res/pointers/cross.png', 0
db 'res/pointers/default.png', 0
db 'res/pointers/caret.png', 0
db 'res/pointers/left-right.png', 0
db 'res/pointers/lu-rd.png', 0
db 'res/pointers/progress.png', 0
db 'res/pointers/move.png', 0
db 'res/icons/back.png', 0
db 'res/icons/back_g.png', 0
db 'res/icons/scrollr.png', 0
db 'res/icons/osk.png', 0
db 'res/icons/forward_g.png', 0
db 'res/icons/scrolll.png', 0
db 'res/icons/history.png', 0
db 'res/icons/forward.png', 0
db 'res/icons/home_g.png', 0
db 'res/icons/history_g.png', 0
db 'res/icons/reload_g.png', 0
db 'res/icons/scrollu.png', 0
db 'res/icons/stop.png', 0
db 'res/icons/scrolld.png', 0
db 'res/icons/stop_g.png', 0
db 'res/icons/home.png', 0
db 'res/icons/reload.png', 0
db 0
current_url rb URLMAXLEN
filelistoffset dd filelist
current_filename rb FILENAMEMAXLEN
httpstruct dd 0
create_new_file dd 2, 0, 0, 0, 0
db 0
dd current_filename
create_new_folder dd 9, 0, 0, 0, 0
db 0
.foldername dd 0
write_to_file dd 3
.current_offset dd 0, 0
.bufsize dd 0
.bufptr dd 0
db 0
dd current_filename
I_END: