mirror of https://github.com/pbatard/rufus.git
85 lines
1.9 KiB
NASM
85 lines
1.9 KiB
NASM
; Rufus: The Reliable USB Formatting Utility
|
|
; Commandline hogger, assembly version (NASM)
|
|
; Copyright © 2014 Pete Batard <pete@akeo.ie>
|
|
;
|
|
; This program is free software: you can redistribute it and/or modify
|
|
; it under the terms of the GNU General Public License as published by
|
|
; the Free Software Foundation, either version 3 of the License, or
|
|
; (at your option) any later version.
|
|
;
|
|
; This program is distributed in the hope that it will be useful,
|
|
; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
; GNU General Public License for more details.
|
|
;
|
|
; You should have received a copy of the GNU General Public License
|
|
; along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
global _main
|
|
extern _GetStdHandle@4
|
|
extern _OpenMutexA@12
|
|
extern _WaitForSingleObject@8
|
|
extern _WriteFile@20
|
|
extern _ExitProcess@4
|
|
|
|
section .text
|
|
_main:
|
|
; DWORD size;
|
|
mov ebp, esp
|
|
sub esp, 4
|
|
|
|
; register HANDLE mutex [-> ecx], stdout [-> ebx];
|
|
|
|
; stdout = GetStdHandle(STD_OUTPUT_HANDLE);
|
|
push -11
|
|
call _GetStdHandle@4
|
|
mov ebx, eax
|
|
|
|
; mutex = OpenMutexA(SYNCHRONIZE, FALSE, "Global/Rufus_CmdLine");
|
|
push mutex_name
|
|
push 0
|
|
push 1048576 ; 0x00100000
|
|
call _OpenMutexA@12
|
|
mov ecx, eax
|
|
|
|
; if (mutex == NULL)
|
|
test eax, eax
|
|
|
|
; goto error
|
|
je error
|
|
|
|
; WaitForSingleObject(mutex, INFINITE);
|
|
push -1
|
|
push ecx
|
|
call _WaitForSingleObject@8
|
|
|
|
; goto out;
|
|
jmp out;
|
|
|
|
; error:
|
|
error:
|
|
|
|
; WriteFile(stdout, error_msg, sizeof(error_msg), &size, 0);
|
|
push 0
|
|
lea eax, [ebp-4]
|
|
push eax
|
|
push (error_msg_end - error_msg)
|
|
push error_msg
|
|
push ebx
|
|
call _WriteFile@20
|
|
|
|
; out:
|
|
out:
|
|
|
|
; ExitProcess(0)
|
|
push 0
|
|
call _ExitProcess@4
|
|
|
|
; Just in case...
|
|
hlt
|
|
|
|
mutex_name:
|
|
db "Global/Rufus_CmdLine",0
|
|
error_msg:
|
|
db "Unable to synchronize with GUI application.",0
|
|
error_msg_end: |