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Subject: Re: [RFC PATCH v2 09/11] ima: load policy using path
From: Mimi Zohar <zohar@linux.vnet.ibm.com>
Date: Thu, 21 Jan 2016 08:15:37 -0500
In-Reply-To: <20160121000536.GO11277@wotan.suse.de>
References: <1453129886-20192-1-git-send-email-zohar@linux.vnet.ibm.com>
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To: "Luis R. Rodriguez" <mcgrof@suse.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>, Kees Cook <keescook@chromium.org>, fsdevel@vger.kernel.org, Dmitry Kasatkin <dmitry.kasatkin@gmail.com>, Dmitry Kasatkin <d.kasatkin@samsung.com>, kexec@lists.infradead.org, David Howells <dhowells@redhat.com>, linux-security-module@vger.kernel.org, David Woodhouse <dwmw2@infradead.org>, linux-modules@vger.kernel.org

On Thu, 2016-01-21 at 01:05 +0100, Luis R. Rodriguez wrote:
> On Mon, Jan 18, 2016 at 10:11:24AM -0500, Mimi Zohar wrote:
> > --- a/fs/exec.c
> > +++ b/fs/exec.c
> > @@ -903,6 +903,27 @@ out:
> >  	return ret;
> >  }
> >  
> > +int kernel_read_file_from_path(char *path, void **buf, loff_t *size,
> > +			       loff_t max_size, int policy_id)
> > +{
> > +	struct file *file;
> > +	int ret;
> > +
> > +	if (!path || !*path)
> > +		return -EINVAL;
> > +
> > +	file = filp_open(path, O_RDONLY, 0);
> > +	if (IS_ERR(file)) {
> > +		ret = PTR_ERR(file);
> > +		pr_err("Unable to open file: %s (%d)", path, ret);
> > +		return ret;
> > +	}
> > +
> > +	ret = kernel_read_file(file, buf, size, max_size, policy_id);
> > +	fput(file);
> > +	return ret;
> > +}
> > +
> 
> EXPORT_SYMBOL_GPL() needed.

Yes.  Thank you for reviewing all the patches!

Mimi


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