예제 #1
0
static inline bool libcfs_ioctl_is_invalid(struct libcfs_ioctl_data *data)
{
	if (data->ioc_hdr.ioc_len > BIT(30)) {
		CERROR("LIBCFS ioctl: ioc_len larger than 1<<30\n");
		return true;
	}
	if (data->ioc_inllen1 > BIT(30)) {
		CERROR("LIBCFS ioctl: ioc_inllen1 larger than 1<<30\n");
		return true;
	}
	if (data->ioc_inllen2 > BIT(30)) {
		CERROR("LIBCFS ioctl: ioc_inllen2 larger than 1<<30\n");
		return true;
	}
	if (data->ioc_inlbuf1 && !data->ioc_inllen1) {
		CERROR("LIBCFS ioctl: inlbuf1 pointer but 0 length\n");
		return true;
	}
	if (data->ioc_inlbuf2 && !data->ioc_inllen2) {
		CERROR("LIBCFS ioctl: inlbuf2 pointer but 0 length\n");
		return true;
	}
	if (data->ioc_pbuf1 && !data->ioc_plen1) {
		CERROR("LIBCFS ioctl: pbuf1 pointer but 0 length\n");
		return true;
	}
	if (data->ioc_pbuf2 && !data->ioc_plen2) {
		CERROR("LIBCFS ioctl: pbuf2 pointer but 0 length\n");
		return true;
	}
	if (data->ioc_plen1 && !data->ioc_pbuf1) {
		CERROR("LIBCFS ioctl: plen1 nonzero but no pbuf1 pointer\n");
		return true;
	}
	if (data->ioc_plen2 && !data->ioc_pbuf2) {
		CERROR("LIBCFS ioctl: plen2 nonzero but no pbuf2 pointer\n");
		return true;
	}
	if ((__u32)libcfs_ioctl_packlen(data) != data->ioc_hdr.ioc_len) {
		CERROR("LIBCFS ioctl: packlen != ioc_len\n");
		return true;
	}
	if (data->ioc_inllen1 &&
	    data->ioc_bulk[data->ioc_inllen1 - 1] != '\0') {
		CERROR("LIBCFS ioctl: inlbuf1 not 0 terminated\n");
		return true;
	}
	if (data->ioc_inllen2 &&
	    data->ioc_bulk[cfs_size_round(data->ioc_inllen1) +
			   data->ioc_inllen2 - 1] != '\0') {
		CERROR("LIBCFS ioctl: inlbuf2 not 0 terminated\n");
		return true;
	}
	return false;
}
예제 #2
0
static bool libcfs_ioctl_is_invalid(struct libcfs_ioctl_data *data)
{
	if (data->ioc_hdr.ioc_len > BIT(30))
		return true;

	if (data->ioc_inllen1 > BIT(30))
		return true;

	if (data->ioc_inllen2 > BIT(30))
		return true;

	if (data->ioc_inlbuf1 && !data->ioc_inllen1)
		return true;

	if (data->ioc_inlbuf2 && !data->ioc_inllen2)
		return true;

	if (data->ioc_pbuf1 && !data->ioc_plen1)
		return true;

	if (data->ioc_pbuf2 && !data->ioc_plen2)
		return true;

	if (data->ioc_plen1 && !data->ioc_pbuf1)
		return true;

	if (data->ioc_plen2 && !data->ioc_pbuf2)
		return true;

	if (libcfs_ioctl_packlen(data) != data->ioc_hdr.ioc_len)
		return true;

	if (data->ioc_inllen1 &&
	    data->ioc_bulk[((data->ioc_inllen1 + 7) & ~7) +
			     data->ioc_inllen2 - 1] != '\0')
		return true;

	return false;
}