C++ (Cpp) security_file_ioctl Examples

Example #1

File: ioctl.c Project: jeanparpaillon/kerrighed-kernel

SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd, unsigned long, arg)
{
	struct file *filp;
	int error = -EBADF;
	int fput_needed;

	filp = fget_light(fd, &fput_needed);
	if (!filp)
		goto out;

#ifdef CONFIG_KRG_FAF
	if ((filp->f_flags & O_FAF_CLT)
	    && (cmd != FIOCLEX) && (cmd != FIONCLEX)) {
		error = krg_faf_ioctl(filp, cmd, arg);
		goto out_fput;
	}
#endif
	error = security_file_ioctl(filp, cmd, arg);
	if (error)
		goto out_fput;

	error = do_vfs_ioctl(filp, fd, cmd, arg);
 out_fput:
	fput_light(filp, fput_needed);
 out:
	return error;
}

Example #2

File: ioctl.c Project: 020gzh/linux

SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd, unsigned long, arg)
{
	int error;
	struct fd f = fdget(fd);

	if (!f.file)
		return -EBADF;
	error = security_file_ioctl(f.file, cmd, arg);
	if (!error)
		error = do_vfs_ioctl(f.file, fd, cmd, arg);
	fdput(f);
	return error;
}

Example #3

File: ioctl.c Project: AlexShiLucky/linux

int ksys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	int error;
	struct fd f = fdget(fd);

	if (!f.file)
		return -EBADF;
	error = security_file_ioctl(f.file, cmd, arg);
	if (!error)
		error = do_vfs_ioctl(f.file, fd, cmd, arg);
	fdput(f);
	return error;
}

Example #4

asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	struct file * filp;
	int error = -EBADF;
	int fput_needed;

	filp = fget_light(fd, &fput_needed);
	if (!filp)
		goto out;

	error = security_file_ioctl(filp, cmd, arg);
	if (error)
		goto out_fput;

	error = vfs_ioctl(filp, fd, cmd, arg);
 out_fput:
	fput_light(filp, fput_needed);
 out:
	return error;
}

Example #5

File: ioctl.c Project: adyjl/DORIMANX_LG_STOCK_LP_KERNEL

SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd, unsigned long, arg)
{
	struct file *filp;
	int error = -EBADF;
	int fput_needed;

	filp = fget_light(fd, &fput_needed);
	if (!filp)
		goto out;

	error = security_file_ioctl(filp, cmd, arg);
	if (error)
		goto out_fput;

	error = do_vfs_ioctl(filp, fd, cmd, arg);
 out_fput:
	fput_light(filp, fput_needed);
 out:
	return error;
}

Example #6

File: ioctl.c Project: BackupTheBerlios/tuxap

asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{	
	struct file * filp;
	unsigned int flag;
	int on, error = -EBADF;

	filp = fget(fd);
	if (!filp)
		goto out;

	error = security_file_ioctl(filp, cmd, arg);
	if (error) {
                fput(filp);
                goto out;
        }

	lock_kernel();
	switch (cmd) {
		case FIOCLEX:
			set_close_on_exec(fd, 1);
			break;

		case FIONCLEX:
			set_close_on_exec(fd, 0);
			break;

		case FIONBIO:
			if ((error = get_user(on, (int __user *)arg)) != 0)
				break;
			flag = O_NONBLOCK;
#ifdef __sparc__
			/* SunOS compatibility item. */
			if(O_NONBLOCK != O_NDELAY)
				flag |= O_NDELAY;
#endif
			if (on)
				filp->f_flags |= flag;
			else
				filp->f_flags &= ~flag;
			break;

		case FIOASYNC:
			if ((error = get_user(on, (int __user *)arg)) != 0)
				break;
			flag = on ? FASYNC : 0;

			/* Did FASYNC state change ? */
			if ((flag ^ filp->f_flags) & FASYNC) {
				if (filp->f_op && filp->f_op->fasync)
					error = filp->f_op->fasync(fd, filp, on);
				else error = -ENOTTY;
			}
			if (error != 0)
				break;

			if (on)
				filp->f_flags |= FASYNC;
			else
				filp->f_flags &= ~FASYNC;
			break;

		case FIOQSIZE:
			if (S_ISDIR(filp->f_dentry->d_inode->i_mode) ||
			    S_ISREG(filp->f_dentry->d_inode->i_mode) ||
			    S_ISLNK(filp->f_dentry->d_inode->i_mode)) {
				loff_t res = inode_get_bytes(filp->f_dentry->d_inode);
				error = copy_to_user((loff_t __user *)arg, &res, sizeof(res)) ? -EFAULT : 0;
			}
			else
				error = -ENOTTY;
			break;
		default:
			error = -ENOTTY;
			if (S_ISREG(filp->f_dentry->d_inode->i_mode))
				error = file_ioctl(filp, cmd, arg);
			else if (filp->f_op && filp->f_op->ioctl)
				error = filp->f_op->ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
	}
	unlock_kernel();
	fput(filp);

out:
	return error;
}