C++ (Cpp) ima_update_xattr Beispiele

Beispiel #1

Datei: ima_main.c Projekt: marceleng/linux

static void ima_check_last_writer(struct integrity_iint_cache *iint,
				  struct inode *inode, struct file *file)
{
	fmode_t mode = file->f_mode;

	if (!(mode & FMODE_WRITE))
		return;

	mutex_lock(&inode->i_mutex);
	if (atomic_read(&inode->i_writecount) == 1 &&
	    iint->version != inode->i_version) {
		iint->flags &= ~IMA_DONE_MASK;
		if (iint->flags & IMA_APPRAISE)
			ima_update_xattr(iint, file);
	}
	mutex_unlock(&inode->i_mutex);
}

Beispiel #2

Datei: ima_main.c Projekt: Ayokunle/linux

static void ima_check_last_writer(struct integrity_iint_cache *iint,
				  struct inode *inode, struct file *file)
{
	fmode_t mode = file->f_mode;

	if (!(mode & FMODE_WRITE))
		return;

	inode_lock(inode);
	if (atomic_read(&inode->i_writecount) == 1) {
		if ((iint->version != inode->i_version) ||
		    (iint->flags & IMA_NEW_FILE)) {
			iint->flags &= ~(IMA_DONE_MASK | IMA_NEW_FILE);
			iint->measured_pcrs = 0;
			if (iint->flags & IMA_APPRAISE)
				ima_update_xattr(iint, file);
		}
	}
	inode_unlock(inode);
}

Beispiel #3

Datei: ima_main.c Projekt: krzk/linux

static void ima_check_last_writer(struct integrity_iint_cache *iint,
				  struct inode *inode, struct file *file)
{
	fmode_t mode = file->f_mode;
	bool update;

	if (!(mode & FMODE_WRITE))
		return;

	mutex_lock(&iint->mutex);
	if (atomic_read(&inode->i_writecount) == 1) {
		update = test_and_clear_bit(IMA_UPDATE_XATTR,
					    &iint->atomic_flags);
		if (!IS_I_VERSION(inode) ||
		    !inode_eq_iversion(inode, iint->version) ||
		    (iint->flags & IMA_NEW_FILE)) {
			iint->flags &= ~(IMA_DONE_MASK | IMA_NEW_FILE);
			iint->measured_pcrs = 0;
			if (update)
				ima_update_xattr(iint, file);
		}
	}
	mutex_unlock(&iint->mutex);
}