linux-kernel - Re: [RFC][Patch 1/6] integrity: new hooks

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: <20070308170001.GA17304@sergelap.austin.ibm.com>
Date:	Thu, 8 Mar 2007 11:00:01 -0600
From:	"Serge E. Hallyn" <serue@...ibm.com>
To:	Chris Wright <chrisw@...s-sol.org>
Cc:	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, safford@...son.ibm.com,
	serue@...ux.vnet.ibm.com, kjhall@...ux.vnet.ibm.com,
	zohar@...ibm.com
Subject: Re: [RFC][Patch 1/6] integrity: new hooks

Quoting Chris Wright (chrisw@...s-sol.org):
> * Mimi Zohar (zohar@...ux.vnet.ibm.com) wrote:
> > +static int dummy_inode_setxattr(struct dentry *dentry, char *name, void *value,
> > +				size_t size, int flags)
> > +{
> > +	if (!strncmp(name, XATTR_SECURITY_PREFIX,
> > +		     sizeof(XATTR_SECURITY_PREFIX) - 1) &&
> > +	    !capable(CAP_SYS_ADMIN))
> > +		return -EPERM;
> > +	return 0;
> > +}
> 
> Hold on, what is all this?  Duplication of all of this code is a no go.

It's unfortunate, agreed, but

use of LSM as an integrity framework was also a no-go.

Options?

thanks,
-serge
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/