linux-kernel - Re: [PATCH v9 10/13] exfat: add nls operations

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20200102142026.wb5glvnf5c7uweed@pali>
Date:   Thu, 2 Jan 2020 15:20:26 +0100
From:   Pali Rohár <pali.rohar@...il.com>
To:     Namjae Jeon <namjae.jeon@...sung.com>
Cc:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        gregkh@...uxfoundation.org, valdis.kletnieks@...edu, hch@....de,
        sj1557.seo@...sung.com, linkinjeon@...il.com
Subject: Re: [PATCH v9 10/13] exfat: add nls operations

On Thursday 02 January 2020 16:20:33 Namjae Jeon wrote:
> This adds the implementation of nls operations for exfat.
> 
> Signed-off-by: Namjae Jeon <namjae.jeon@...sung.com>
> Signed-off-by: Sungjong Seo <sj1557.seo@...sung.com>
> ---
>  fs/exfat/nls.c | 809 +++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 809 insertions(+)
>  create mode 100644 fs/exfat/nls.c
> 
> diff --git a/fs/exfat/nls.c b/fs/exfat/nls.c
> new file mode 100644
> index 000000000000..af52328e28ff
> --- /dev/null
> +++ b/fs/exfat/nls.c
> @@ -0,0 +1,809 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
> +/*
> + * Copyright (C) 2012-2013 Samsung Electronics Co., Ltd.
> + */
> +
> +#include <linux/string.h>
> +#include <linux/nls.h>
> +#include <linux/slab.h>
> +#include <linux/buffer_head.h>
> +#include <asm/unaligned.h>
> +
> +#include "exfat_raw.h"
> +#include "exfat_fs.h"
> +
> +/* Upcase tabel macro */
> +#define EXFAT_NUM_UPCASE	(2918)
> +#define UTBL_COUNT		(0x10000)
> +
> +/*
> + * Upcase table in compressed format (7.2.5.1 Recommended Up-case Table
> + * in exfat specification, See: https://docs.microsoft.com/en-us/windows/
> + * win32/fileio/exfat-specification).

Just a small suggestion: Do not wrap URLs as they are hard to copy-paste
into web browser. Also my email client is not able to detect URL
continue on next line...

> + */
> +static const unsigned short uni_def_upcase[EXFAT_NUM_UPCASE] = {
> +	0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
> +	0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,

...

-- 
Pali Rohár
pali.rohar@...il.com