forked from KolibriOS/kolibrios
394 lines
8.4 KiB
NASM
Executable File
394 lines
8.4 KiB
NASM
Executable File
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Copyright (C) Vasiliy Kosenko (vkos), 2009 ;;
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;; Launch is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
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;; General Public License as published by the Free Software Foundation, either version 2 ;;
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;; of the License, or (at your option) any later version. ;;
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;; ;;
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;; Launch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without ;;
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;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
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;; General Public License for more details. ;;
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;; ;;
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;; You should have received a copy of the GNU General Public License along with Launch. ;;
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;; If not, see <http://www.gnu.org/licenses/>. ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Launch finds program in search dirictories and runs it. ;;
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;; For more details see readme.txt ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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APP_NAME fix 'Launch'
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APP_VERSION fix '0.1.4'
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use32
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org 0x0
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db 'MENUET01'
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dd 0x01
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dd START
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dd APP_END
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dd MEM_END
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dd APP_STACK
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dd args
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dd path
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define PATH_MAX_LEN 1024
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define DEBUG_MAX_LEN 8
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define DEBUG_DEFAULT debug_no_num
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define BUFF_SIZE 1024
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include 'macros.inc'
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include 'proc32.inc'
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include 'libio.inc'
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include 'mem.inc'
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include 'dll.inc'
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START:
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;; Initialize process heap
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mcall 68,11
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test eax, eax
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jz exit
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;; Import modules
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stdcall dll.Load,importTable
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test eax, eax
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jnz exit
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read_ini:
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;; First read config in /sys/etc
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invoke ini.get_str, etc_cfg, cfg_main, cfg_path, search_path, PATH_MAX_LEN, empty_str
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;; Next, read config from current directory
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;; Find end of path string
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.find_path_eol:
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mov edi, path
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mov ecx, PATH_MAX_LEN
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xor al, al
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cld
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repne scasb
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;; Append ext to run path (NOTE: this work only when config file has name <launch-file-name>.cfg and ext size is dword)
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mov eax, dword [cfg_ext]
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dec edi
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mov dword [edi], eax
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mov byte [edi+5], 0
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;; Currently there is no checking for repeating pathes, so we should only concatenate two strings
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;; So we need to find end of current search_path string
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.find_search_eol:
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mov edi, search_path
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mov ecx, PATH_MAX_LEN
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xor al, al
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;cld
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repne scasb
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dec edi
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;; Now we need to correct buffer length
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mov eax, path+PATH_MAX_LEN
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sub eax, edi
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;; Read ini
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invoke ini.get_str, path, cfg_main, cfg_path, edi, PATH_MAX_LEN, empty_str
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read_ini_debug:
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;; Read debug options from config files
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invoke ini.get_str, etc_cfg, cfg_debug, cfg_debug, debug_option, DEBUG_MAX_LEN, DEBUG_DEFAULT
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invoke ini.get_str, path, cfg_debug, cfg_debug, debug_option, DEBUG_MAX_LEN, debug_option
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;; Now convert debug_option from string to number of debug mode
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mov ebx, modes-4
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.convert:
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mov al, byte [debug_option]
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cmp al, 10
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jbe .converted
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.convert_nxt:
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add ebx, 4
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mov esi, dword [ebx]
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test esi, esi
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je .set_default ;; String is incorrect, so set default
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mov edi, debug_option
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.conv_loop:
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mov al, byte [esi]
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cmp al, byte [edi]
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jne .convert_nxt ;; Not equal, so try next
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test al, al
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je .found ;; Equal, end of loop
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inc esi
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inc edi
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jmp .conv_loop
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.set_default:
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mov al, byte [DEBUG_DEFAULT]
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mov byte [debug_option], al
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jmp .converted
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.found:
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sub ebx, modes
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shr ebx, 2
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add ebx, modes_nums
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mov al, byte [ebx]
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mov byte [debug_option], al
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.converted:
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dec al
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test al, al
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je .ok
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dec al
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test al, al
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je .con_init
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.noconsole:
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mov al, 1
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mov byte [debug_option], al
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jmp .ok
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.con_init:
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stdcall dll.Load, consoleImport
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test eax, eax
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jnz .noconsole
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invoke con.init, -1, -1, -1, -1, WinTitle
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.read_level:
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invoke ini.get_int, etc_cfg, cfg_debug, cfg_level, 0
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invoke ini.get_int, path, cfg_debug, cfg_level, eax
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mov dword [debug_level], eax
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.ok:
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parse_args:
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;; Now parse command line arguments
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;; TODO: use optparse library
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;; Currently the only argument to parse is program name
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.skip_spaces:
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mov ecx, -1
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mov edi, args
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mov al, ' '
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xor bl, bl
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;cld
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repe scasb
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push edi
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mov ecx, -1
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@@:
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scasb
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je @f
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xchg al, bl
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dec edi
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scasb
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jne @b
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@@:
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mov dword [prog_args], edi
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pop edi
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dec edi
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;; Now edi = program name
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;; End of preparations! Now we can find file and launch it.
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search_file:
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push edi
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mov esi, search_path
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xchg esi, [esp]
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.loop:
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or dl, dl
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je .prn_dbg
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xor dl, dl
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jmp .prn_end
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.prn_dbg:
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push eax
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mov al, byte [debug_option]
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dec al
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test al, al
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je .prn_stp
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mov eax, dword [debug_level]
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or eax, eax
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je .prn_stp
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dec eax
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or eax, eax
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je .prn_1
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.prn_1:
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cinvoke con.printf, message_dbg_not_found, buff
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.prn_stp:
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pop eax
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.prn_end:
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xor eax, eax ;; When we check is proramme launched we are checking for eax
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xchg esi, [esp]
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mov edi, buff
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.copy_path:
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lodsb
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cmp al, ';'
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je .copy_file
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or al, al
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je exit
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stosb
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jmp .copy_path
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.copy_file:
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xchg esi, [esp]
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push esi
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.cp_file_loop:
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lodsb
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or al, al
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je .copy_end
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cmp al, ' '
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je .copy_end
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stosb
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jmp .cp_file_loop
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.copy_end:
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pop esi
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xor al, al
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stosb
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;; Try to launch
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mov dword [LaunchStruct.Function], 7
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push dword [prog_args]
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pop dword [LaunchStruct.Arguments]
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mov dword [LaunchStruct.Flags], 0
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mov dword [LaunchStruct.Zero], 0
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mov dword [LaunchStruct.FileNameP], buff
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mcall 70, LaunchStruct
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cmp eax, 0
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jl .loop
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exit:
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push eax
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;; If console is present we should write some info
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mov al, byte [debug_option]
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cmp al, 2
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je .write_console
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.close:
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mcall -1
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.write_console:
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pop eax
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test eax, eax
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jz .write_error
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.write_launched:
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cinvoke con.printf, message_ok, buff, eax, eax
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jmp .wr_end
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.write_error:
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pop edi
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cinvoke con.printf, message_error, edi
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.wr_end:
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invoke con.exit, 0
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jmp .close
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align 16
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importTable:
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library \
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libini, 'libini.obj';, \
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; libio, 'libio.obj', \
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import libini, \
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ini.get_str ,'ini.get_str', \
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\; ini.set_str ,'ini.set_str', \
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ini.get_int ,'ini.get_int';, \
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\; ini.set_int ,'ini.set_int', \
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; ini.get_color,'ini.get_color', \
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; ini.set_color,'ini.set_color'
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;import libio, \
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; file.find_first,'file.find_first', \
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; file.find_next ,'file.find_next', \
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; file.find_close,'file.find_close', \
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; file.size ,'file.size', \
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; file.open ,'file.open', \
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; file.read ,'file.read', \
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; file.write ,'file.write', \
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; file.seek ,'file.seek', \
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; file.tell ,'file.tell', \
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; file.eof? ,'file.eof?', \
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; file.truncate ,'file.truncate', \
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; file.close ,'file.close'
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consoleImport:
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library \
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conlib, 'console.obj'
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import conlib, \
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con.init, 'con.init',\
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con.exit, 'con.exit',\
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con.printf, 'con.printf';,\
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; con.write_asciiz, 'con.write_asciiz'
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align 16
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APP_DATA:
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WinTitle:
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db APP_NAME, ' ', APP_VERSION, 0
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message_dbg_not_found:
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db '%s not found', 10, 0
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message_error:
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db 'File (%s) not found!', 0
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message_ok:
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db '%s loaded succesfully. PID: %d (0x%X)'
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empty_str:
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db 0
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etc_cfg:
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db '/sys/etc/'
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cfg_name:
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db 'launch'
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cfg_ext:
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db '.cfg', 0
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cfg_main:
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db 'main', 0
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cfg_path:
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db 'path', 0
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cfg_debug:
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db 'debug', 0
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cfg_level:
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db 'level', 0
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modes:
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dd debug_no
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dd debug_console
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dd 0
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debug_no:
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db 'no', 0
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debug_console:
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db 'console', 0
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modes_nums:
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debug_no_num:
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db 1
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debug_console_num:
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db 2
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debug_level:
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dd 0
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LaunchStruct FileInfoRun
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args: db 0
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APP_END:
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rb 255
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prog_args:
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rd 1
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path:
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rb 1024
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search_path:
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rb PATH_MAX_LEN
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debug_option:
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rb DEBUG_MAX_LEN
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buff:
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rb BUFF_SIZE
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rb 0x1000 ;; 4 Kb stack
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APP_STACK:
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MEM_END:
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