Messages in this thread | | | Date | Thu, 24 Apr 2003 11:36:15 -0700 | From | Chris Wright <> | Subject | Re: [PATCH] Extended Attributes for Security Modules against 2.5.68 |
| |
* Stephen Smalley (sds@epoch.ncsc.mil) wrote: > On Thu, 2003-04-24 at 09:03, Christoph Hellwig wrote: > > Hmm, what would you think of changing the xattr_trusted security > > model to fit your needs? It's so far unused outside XFS and there's > > maybe a chance changing it. > > It would require removing the capable(CAP_SYS_ADMIN) checks from the > xattr_trusted.c handler and implementing them in the capabilities > security module (and corresponding superuser tests in the dummy security > module) via the inode_setxattr and inode_getxattr hook functions. This > would then permit security modules to implement their own permission > checking logic for getxattr and setxattr calls for their attributes, and > it would allow security modules to internally call the getxattr and > setxattr inode operations without being subjected to these checks in > order to manage the attributes.
Or perhaps introducing some of the CAP_MAC_* bits. In either case, it'd be nice to reuse xattr_trusted if possible, IMHO.
thanks, -chris -- Linux Security Modules http://lsm.immunix.org http://lsm.bkbits.net - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |