linux-integrity.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: James Morris <jmorris@namei.org>
To: Prakhar Srivastava <prsriva02@gmail.com>
Cc: linux-integrity@vger.kernel.org,
	linux-security-module@vger.kernel.org,
	linux-kernel@vger.kernel.org, zohar@linux.ibm.com,
	roberto.sassu@huawei.com, vgoyal@redhat.com
Subject: Re: [PATCH V8 1/3] Define a new IMA hook to measure the boot command line arguments
Date: Fri, 14 Jun 2019 05:10:48 +1000 (AEST)	[thread overview]
Message-ID: <alpine.LRH.2.21.1906140501300.14107@namei.org> (raw)
In-Reply-To: <20190612221549.28399-2-prsriva02@gmail.com>

On Wed, 12 Jun 2019, Prakhar Srivastava wrote:

> This patch adds support in ima to measure kexec cmdline args
> during soft reboot(kexec_file_load).
> 
> - A new ima hook ima_kexec_cmdline is defined to be called by the
> kexec code.
> - A new function process_buffer_measurement is defined to measure
> the buffer hash into the ima log.
> - A new func policy KEXEC_CMDLINE is defined to control the
>  measurement.[Suggested by Mimi]
> 
> Signed-off-by: Prakhar Srivastava <prsriva02@gmail.com>

> +	struct integrity_iint_cache tmp_iint, *iint = &tmp_iint;
> +	struct ima_event_data event_data = {.iint = iint };

Minor nit: looks like this could be simplified to:

	struct integrity_iint_cache iint = {};
	struct ima_event_data event_data = {.iint = &iint };

which also saves the later memset. 'hash' can also be initialized with '= 
{}'.


-- 
James Morris
<jmorris@namei.org>


  reply	other threads:[~2019-06-13 19:11 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-12 22:15 [PATCH V8 0/3] Add support for measuring the boot command line during kexec_file_load Prakhar Srivastava
2019-06-12 22:15 ` [PATCH V8 1/3] Define a new IMA hook to measure the boot command line arguments Prakhar Srivastava
2019-06-13 19:10   ` James Morris [this message]
2019-06-13 19:22   ` Mimi Zohar
2019-06-14 17:48     ` prakhar srivastava
2019-06-12 22:15 ` [PATCH V8 2/3] Define a new ima template field buf Prakhar Srivastava
2019-06-13 19:15   ` James Morris
2019-06-13 19:59   ` Mimi Zohar
2019-06-14 10:57     ` Mimi Zohar
2019-06-14 14:14       ` Mimi Zohar
2019-06-14 17:52         ` prakhar srivastava
2019-06-12 22:15 ` [PATCH V8 3/3] Call ima_kexec_cmdline to measure the cmdline args Prakhar Srivastava
2019-06-12 22:31   ` Mimi Zohar
2019-06-13  8:26     ` Dave Young
2019-06-13 20:07       ` Mimi Zohar
2019-06-13 19:16   ` James Morris
2019-06-13 20:20   ` Mimi Zohar
2019-06-13 20:48 ` [PATCH V8 0/3] Add support for measuring the boot command line during kexec_file_load Mimi Zohar
2019-06-14 17:39   ` prakhar srivastava

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=alpine.LRH.2.21.1906140501300.14107@namei.org \
    --to=jmorris@namei.org \
    --cc=linux-integrity@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-security-module@vger.kernel.org \
    --cc=prsriva02@gmail.com \
    --cc=roberto.sassu@huawei.com \
    --cc=vgoyal@redhat.com \
    --cc=zohar@linux.ibm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).