From: Jaegeuk Kim <jaegeuk@kernel.org>
To: Chao Yu <chao@kernel.org>
Cc: linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH] dump.f2fs: support to dump fsverity xattr info in print_xattr_entry()
Date: Fri, 21 Jul 2023 12:21:07 -0700 [thread overview]
Message-ID: <ZLrao4BqUGWkBIDn@google.com> (raw)
In-Reply-To: <20230718040500.1170842-1-chao@kernel.org>
On 07/18, Chao Yu wrote:
> This patch adds to support dumping fsverity xattr info in print_xattr_entry().
>
> Signed-off-by: Chao Yu <chao@kernel.org>
> ---
> fsck/mount.c | 13 +++++++++++++
> fsck/xattr.h | 11 +++++++++++
> 2 files changed, 24 insertions(+)
>
> diff --git a/fsck/mount.c b/fsck/mount.c
> index dbb516b..2691b2f 100644
> --- a/fsck/mount.c
> +++ b/fsck/mount.c
> @@ -199,6 +199,7 @@ static void print_xattr_entry(const struct f2fs_xattr_entry *ent)
> char *enc_name = F2FS_XATTR_NAME_ENCRYPTION_CONTEXT;
> u32 enc_name_len = strlen(enc_name);
> const union fscrypt_context *ctx;
> + const struct fsverity_descriptor_location *dloc;
> int i;
>
> MSG(0, "\nxattr: e_name_index:%d e_name:", ent->e_name_index);
> @@ -250,6 +251,18 @@ static void print_xattr_entry(const struct f2fs_xattr_entry *ent)
> return;
> }
> break;
> + case F2FS_XATTR_INDEX_VERITY:
> + dloc = (const struct fsverity_descriptor_location *)value;
> + if (ent->e_name_len != strlen(F2FS_XATTR_NAME_VERITY) ||
> + memcmp(ent->e_name, F2FS_XATTR_NAME_VERITY,
> + ent->e_name_len))
> + break;
> + if (size != sizeof(*dloc))
> + break;
> + MSG(0, "version: %u\n", le32_to_cpu(dloc->version));
> + MSG(0, "size: %u\n", le32_to_cpu(dloc->size));
> + MSG(0, "pos: %lu\n", le64_to_cpu(dloc->pos));
Fixed build error with
MSG(0, "pos: %"PRIu64"\n", le64_to_cpu(dloc->pos));
> + return;
> }
> for (i = 0; i < size; i++)
> MSG(0, "%02X", value[i]);
> diff --git a/fsck/xattr.h b/fsck/xattr.h
> index cddafa7..bf1dd7e 100644
> --- a/fsck/xattr.h
> +++ b/fsck/xattr.h
> @@ -90,6 +90,14 @@ static inline int fscrypt_context_size(const union fscrypt_context *ctx)
> return 0;
> }
>
> +struct fsverity_descriptor_location {
> + __le32 version;
> + __le32 size;
> + __le64 pos;
> +};
> +
> +static_assert(sizeof(struct fsverity_descriptor_location) == 16, "");
> +
> #define F2FS_ACL_VERSION 0x0001
>
> struct f2fs_acl_entry {
> @@ -150,6 +158,9 @@ static inline int f2fs_acl_count(int size)
> #define F2FS_XATTR_INDEX_LUSTRE 5
> #define F2FS_XATTR_INDEX_SECURITY 6
> #define F2FS_XATTR_INDEX_ENCRYPTION 9
> +#define F2FS_XATTR_INDEX_VERITY 11
> +
> +#define F2FS_XATTR_NAME_VERITY "v"
>
> #define IS_XATTR_LAST_ENTRY(entry) (*(__u32 *)(entry) == 0)
>
> --
> 2.40.1
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prev parent reply other threads:[~2023-07-21 19:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-18 4:05 [f2fs-dev] [PATCH] dump.f2fs: support to dump fsverity xattr info in print_xattr_entry() Chao Yu
2023-07-21 19:21 ` Jaegeuk Kim [this message]
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