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