From: Mimi Zohar <zohar@linux.vnet.ibm.com>
To: Randy Dunlap <randy.dunlap@oracle.com>
Cc: linux-kernel@vger.kernel.org,
linux-security-module@vger.kernel.org,
James Morris <jmorris@namei.org>,
David Safford <safford@watson.ibm.com>,
Dave Hansen <dave@linux.vnet.ibm.com>
Subject: Re: [PATCH 00/14] EVM
Date: Wed, 21 Apr 2010 18:41:28 -0400 [thread overview]
Message-ID: <1271889688.2650.19.camel@localhost.localdomain> (raw)
In-Reply-To: <4BCF7ADB.6080409@oracle.com>
On Wed, 2010-04-21 at 15:23 -0700, Randy Dunlap wrote:
> On 04/21/10 15:18, Mimi Zohar wrote:
> > On Wed, 2010-04-21 at 14:58 -0700, Randy Dunlap wrote:
> >> On Wed, 21 Apr 2010 17:49:40 -0400 Mimi Zohar wrote:
> >>
> >>> Extended Verification Module(EVM) detects offline tampering of the
> >>> security extended attributes (e.g. security.selinux, security.SMACK64,
> >>> security.ima), which is the basis for LSM permission decisions and,
> >>> with this set of patches, integrity appraisal decisions. To detect
> >>> offline tampering of the extended attributes, EVM maintains an
> >>> HMAC-sha1 across a set of security extended attributes, storing the
> >>> HMAC as the extended attribute 'security.evm'. To verify the integrity
> >>> of an extended attribute, EVM exports evm_verifyxattr(), which
> >>> re-calculates the HMAC and compares it with the version stored in
> >>> 'security.evm'.
> >>>
> >> ...
> >>>
> >>> Much appreciation to Dave Hansen, Serge Hallyn, and Matt Helsley for
> >>> reviewing the patches.
> >>>
> >>> Mimi
> >>>
> >>> Mimi Zohar (14):
> >>> integrity: move ima inode integrity data management
> >>> security: move LSM xattrnames to xattr.h
> >>> xattr: define vfs_getxattr_alloc and vfs_xattr_cmp
> >>> evm: re-release
> >>> ima: move ima_file_free before releasing the file
> >>> security: imbed evm calls in security hooks
> >>> evm: inode post removexattr
> >>> evm: imbed evm_inode_post_setattr
> >>> evm: inode_post_init
> >>> fs: add evm_inode_post_init calls
> >>> ima: integrity appraisal extension
> >>> ima: appraise default rules
> >>> ima: inode post_setattr
> >>> ima: add ima_inode_setxattr and ima_inode_removexattr
> >>> --
> >>
> >> A summary diffstat would be good to see in patch 00/14.
> >>
> >> Lacking that, at least each individual patch should have a diffstat summary
> >> in it. Please read Documentation/SubmittingPatches.
> >>
> >> ---
> >> ~Randy
> >
Documentation/kernel-parameters.txt | 4 +
fs/attr.c | 7 +-
fs/ext2/xattr_security.c | 31 +++-
fs/ext3/xattr_security.c | 30 +++-
fs/ext4/xattr_security.c | 30 +++-
fs/file_table.c | 2 +-
fs/xattr.c | 63 ++++++-
include/linux/capability.h | 3 -
include/linux/evm.h | 80 ++++++++
include/linux/ima.h | 27 ++-
include/linux/integrity.h | 35 ++++
include/linux/xattr.h | 27 +++-
security/Kconfig | 2 +-
security/Makefile | 4 +-
security/integrity/Kconfig | 7 +
security/integrity/Makefile | 12 ++
security/integrity/evm/Kconfig | 13 ++
security/integrity/evm/Makefile | 7 +
security/integrity/evm/evm.h | 38 ++++
security/integrity/evm/evm_crypto.c | 198 +++++++++++++++++++
security/integrity/evm/evm_main.c | 335 +++++++++++++++++++++++++++++++++
security/integrity/evm/evm_secfs.c | 108 +++++++++++
security/integrity/iint.c | 153 +++++++++++++++
security/integrity/ima/Kconfig | 15 ++
security/integrity/ima/Makefile | 4 +-
security/integrity/ima/ima.h | 76 +++++---
security/integrity/ima/ima_api.c | 61 +++++--
security/integrity/ima/ima_appraise.c | 152 +++++++++++++++
security/integrity/ima/ima_iint.c | 145 --------------
security/integrity/ima/ima_main.c | 123 ++++++++++---
security/integrity/ima/ima_policy.c | 61 ++++++-
security/integrity/integrity.h | 50 +++++
security/security.c | 27 +++-
security/selinux/hooks.c | 3 -
security/smack/smack.h | 2 -
35 files changed, 1671 insertions(+), 264 deletions(-)
create mode 100644 include/linux/evm.h
create mode 100644 include/linux/integrity.h
create mode 100644 security/integrity/Kconfig
create mode 100644 security/integrity/Makefile
create mode 100644 security/integrity/evm/Kconfig
create mode 100644 security/integrity/evm/Makefile
create mode 100644 security/integrity/evm/evm.h
create mode 100644 security/integrity/evm/evm_crypto.c
create mode 100644 security/integrity/evm/evm_main.c
create mode 100644 security/integrity/evm/evm_secfs.c
create mode 100644 security/integrity/iint.c
create mode 100644 security/integrity/ima/ima_appraise.c
delete mode 100644 security/integrity/ima/ima_iint.c
create mode 100644 security/integrity/integrity.h
Mimi
next prev parent reply other threads:[~2010-04-21 22:41 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-21 21:49 [PATCH 00/14] EVM Mimi Zohar
2010-04-21 21:49 ` [PATCH 01/14] integrity: move ima inode integrity data management Mimi Zohar
2010-04-21 21:49 ` [PATCH 02/14] security: move LSM xattrnames to xattr.h Mimi Zohar
2010-04-21 21:49 ` [PATCH 03/14] xattr: define vfs_getxattr_alloc and vfs_xattr_cmp Mimi Zohar
2010-04-26 18:50 ` Serge E. Hallyn
2010-04-21 21:49 ` [PATCH 04/14] evm: re-release Mimi Zohar
2010-04-26 21:03 ` Serge E. Hallyn
2010-06-04 14:28 ` Stephen Smalley
2010-06-04 14:53 ` Mimi Zohar
2010-06-04 15:20 ` Stephen Smalley
2010-06-04 18:08 ` David Safford
2010-04-21 21:49 ` [PATCH 05/14] ima: move ima_file_free before releasing the file Mimi Zohar
2010-04-21 21:49 ` [PATCH 06/14] security: imbed evm calls in security hooks Mimi Zohar
2010-04-21 21:49 ` [PATCH 07/14] evm: inode post removexattr Mimi Zohar
2010-04-21 21:49 ` [PATCH 08/14] evm: imbed evm_inode_post_setattr Mimi Zohar
2010-04-21 21:49 ` [PATCH 09/14] evm: inode_post_init Mimi Zohar
2010-04-21 21:49 ` [PATCH 10/14] fs: add evm_inode_post_init calls Mimi Zohar
2010-04-21 21:49 ` [PATCH 11/14] ima: integrity appraisal extension Mimi Zohar
2010-04-21 21:49 ` [PATCH 12/14] ima: appraise default rules Mimi Zohar
2010-04-21 21:49 ` [PATCH 13/14] ima: inode post_setattr Mimi Zohar
2010-04-21 21:49 ` [PATCH 14/14] ima: add ima_inode_setxattr and ima_inode_removexattr Mimi Zohar
2010-04-21 21:58 ` [PATCH 00/14] EVM Randy Dunlap
2010-04-21 22:18 ` Mimi Zohar
2010-04-21 22:23 ` Randy Dunlap
2010-04-21 22:41 ` Mimi Zohar [this message]
2010-05-31 0:20 ` James Morris
2010-05-31 10:02 ` Shaz
2010-05-31 10:08 ` Shaz
2010-06-01 19:28 ` Mimi Zohar
2010-06-02 7:03 ` Dmitry Kasatkin
2010-06-02 7:50 ` Shaz
2010-06-02 9:12 ` Dmitry Kasatkin
2010-06-02 10:15 ` Shaz
2010-06-02 10:23 ` Dmitry Kasatkin
2010-06-02 14:02 ` Mimi Zohar
2010-06-04 6:53 ` Shaz
2010-06-04 15:09 ` Mimi Zohar
2010-06-04 18:47 ` Shaz
2010-06-04 0:57 ` James Morris
2010-06-04 6:56 ` Shaz
2010-06-04 20:25 ` [ProbableSpam] " David Safford
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