From: Dan Williams <dan.j.williams@intel.com>
To: Dave Jiang <dave.jiang@intel.com>
Cc: "Schofield, Alison" <alison.schofield@intel.com>,
Kees Cook <keescook@chromium.org>,
linux-nvdimm <linux-nvdimm@lists.01.org>,
ebiggers3@gmail.com, David Howells <dhowells@redhat.com>,
keyrings@vger.kernel.org
Subject: Re: [PATCH v8 04/12] keys: export lookup_user_key to external users
Date: Fri, 21 Sep 2018 14:59:34 -0700 [thread overview]
Message-ID: <CAPcyv4jO9-OrBvDNxN6hB4X6bPKnerqkdh812_LjScwe44mX2A@mail.gmail.com> (raw)
In-Reply-To: <153549646033.4089.17866270311512341456.stgit@djiang5-desk3.ch.intel.com>
On Tue, Aug 28, 2018 at 3:47 PM Dave Jiang <dave.jiang@intel.com> wrote:
>
> Export lookup_user_key() symbol in order to allow nvdimm passphrase
> update to retrieve user injected keys.
>
> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
> Cc: David Howells <dhowells@redhat.com>
> ---
> include/linux/key.h | 3 +++
> security/keys/internal.h | 2 --
> security/keys/process_keys.c | 1 +
> 3 files changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/include/linux/key.h b/include/linux/key.h
> index e58ee10f6e58..7099985e35a9 100644
> --- a/include/linux/key.h
> +++ b/include/linux/key.h
> @@ -346,6 +346,9 @@ static inline key_serial_t key_serial(const struct key *key)
>
> extern void key_set_timeout(struct key *, unsigned);
>
> +extern key_ref_t lookup_user_key(key_serial_t id, unsigned long flags,
> + key_perm_t perm);
> +
> /*
> * The permissions required on a key that we're looking up.
> */
> diff --git a/security/keys/internal.h b/security/keys/internal.h
> index 9f8208dc0e55..9968b21a76dd 100644
> --- a/security/keys/internal.h
> +++ b/security/keys/internal.h
> @@ -158,8 +158,6 @@ extern struct key *request_key_and_link(struct key_type *type,
>
> extern bool lookup_user_key_possessed(const struct key *key,
> const struct key_match_data *match_data);
> -extern key_ref_t lookup_user_key(key_serial_t id, unsigned long flags,
> - key_perm_t perm);
> #define KEY_LOOKUP_CREATE 0x01
> #define KEY_LOOKUP_PARTIAL 0x02
> #define KEY_LOOKUP_FOR_UNLINK 0x04
> diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c
> index d5b25e535d3a..ec4fd4531224 100644
> --- a/security/keys/process_keys.c
> +++ b/security/keys/process_keys.c
> @@ -755,6 +755,7 @@ key_ref_t lookup_user_key(key_serial_t id, unsigned long lflags,
> put_cred(ctx.cred);
> goto try_again;
> }
> +EXPORT_SYMBOL(lookup_user_key);
This looks like a core api for affecting keyctl api internals, should
it be EXPORT_SYMBOL_GPL?
At a minimum this needs David's ack.
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next prev parent reply other threads:[~2018-09-21 21:59 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-28 22:47 [PATCH v8 00/12] Adding security support for nvdimm Dave Jiang
2018-08-28 22:47 ` [PATCH v8 01/12] nfit: add support for Intel DSM 1.7 commands Dave Jiang
2018-08-28 22:47 ` [PATCH v8 02/12] libnvdimm: create keyring to store security keys Dave Jiang
2018-09-22 0:19 ` Dan Williams
2018-09-24 21:04 ` David Howells
2018-09-24 21:12 ` Dave Jiang
2018-08-28 22:47 ` [PATCH v8 03/12] nfit/libnvdimm: store dimm id as a member to struct nvdimm Dave Jiang
2018-08-28 22:47 ` [PATCH v8 04/12] keys: export lookup_user_key to external users Dave Jiang
2018-09-21 21:59 ` Dan Williams [this message]
2018-09-21 22:02 ` Dave Jiang
2018-09-21 23:05 ` David Howells
2018-08-28 22:47 ` [PATCH v8 05/12] nfit/libnvdimm: add unlock of nvdimm support for Intel DIMMs Dave Jiang
2018-09-23 0:10 ` Dan Williams
2018-08-28 22:47 ` [PATCH v8 06/12] nfit/libnvdimm: add set passphrase support for Intel nvdimms Dave Jiang
2018-08-28 22:47 ` [PATCH v8 07/12] nfit/libnvdimm: add disable passphrase support to Intel nvdimm Dave Jiang
2018-08-28 22:48 ` [PATCH v8 08/12] nfit/libnvdimm: add freeze security " Dave Jiang
2018-08-28 22:48 ` [PATCH v8 09/12] nfit/libnvdimm: add support for issue secure erase DSM " Dave Jiang
2018-08-28 22:48 ` [PATCH v8 10/12] nfit_test: add context to dimm_dev for nfit_test Dave Jiang
2018-08-28 22:48 ` [PATCH v8 11/12] nfit_test: add test support for Intel nvdimm security DSMs Dave Jiang
2018-08-28 22:48 ` [PATCH v8 12/12] libnvdimm: add documentation for nvdimm security support Dave Jiang
2018-09-21 23:07 ` [PATCH v8 02/12] libnvdimm: create keyring to store security keys David Howells
2018-09-21 23:20 ` [PATCH v8 05/12] nfit/libnvdimm: add unlock of nvdimm support for Intel DIMMs David Howells
2018-09-21 23:27 ` Dave Jiang
2018-09-21 23:51 ` Dan Williams
2018-09-21 23:57 ` [PATCH v8 06/12] nfit/libnvdimm: add set passphrase support for Intel nvdimms David Howells
2018-09-22 0:25 ` Dave Jiang
2018-09-22 1:26 ` Dan Williams
2018-09-22 0:01 ` [PATCH v8 04/12] keys: export lookup_user_key to external users David Howells
2018-09-24 21:02 ` [PATCH v8 02/12] libnvdimm: create keyring to store security keys David Howells
2018-09-24 21:15 ` Dave Jiang
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