[PATCH 12/17] doc: ReSTify LoadPin.txt
From: Kees Cook <hidden>
Date: 2017-05-13 11:52:53
Also in:
lkml
Subsystem:
documentation, loadpin security module, the rest · Maintainers:
Jonathan Corbet, Kees Cook, Linus Torvalds
Adjusts for ReST markup and moves under LSM admin guide.
Signed-off-by: Kees Cook <redacted>
---
.../{security/LoadPin.txt => admin-guide/LSM/LoadPin.rst} | 12 ++++++++----
Documentation/admin-guide/LSM/index.rst | 1 +
MAINTAINERS | 1 +
3 files changed, 10 insertions(+), 4 deletions(-)
rename Documentation/{security/LoadPin.txt => admin-guide/LSM/LoadPin.rst} (73%)
diff --git a/Documentation/security/LoadPin.txt b/Documentation/admin-guide/LSM/LoadPin.rst
similarity index 73%
rename from Documentation/security/LoadPin.txt
rename to Documentation/admin-guide/LSM/LoadPin.rst
index e11877f5d3d4..32070762d24c 100644
--- a/Documentation/security/LoadPin.txt
+++ b/Documentation/admin-guide/LSM/LoadPin.rst@@ -1,3 +1,7 @@ +======= +LoadPin +======= + LoadPin is a Linux Security Module that ensures all kernel-loaded files (modules, firmware, etc) all originate from the same filesystem, with the expectation that such a filesystem is backed by a read-only device
@@ -5,13 +9,13 @@ such as dm-verity or CDROM. This allows systems that have a verified and/or unchangeable filesystem to enforce module and firmware loading restrictions without needing to sign the files individually. -The LSM is selectable at build-time with CONFIG_SECURITY_LOADPIN, and +The LSM is selectable at build-time with ``CONFIG_SECURITY_LOADPIN``, and can be controlled at boot-time with the kernel command line option -"loadpin.enabled". By default, it is enabled, but can be disabled at -boot ("loadpin.enabled=0"). +"``loadpin.enabled``". By default, it is enabled, but can be disabled at +boot ("``loadpin.enabled=0``"). LoadPin starts pinning when it sees the first file loaded. If the block device backing the filesystem is not read-only, a sysctl is -created to toggle pinning: /proc/sys/kernel/loadpin/enabled. (Having +created to toggle pinning: ``/proc/sys/kernel/loadpin/enabled``. (Having a mutable filesystem means pinning is mutable too, but having the sysctl allows for easy testing on systems with a mutable filesystem.)
diff --git a/Documentation/admin-guide/LSM/index.rst b/Documentation/admin-guide/LSM/index.rst
index e5ba2c69b8ef..41f5262359f9 100644
--- a/Documentation/admin-guide/LSM/index.rst
+++ b/Documentation/admin-guide/LSM/index.rst@@ -34,6 +34,7 @@ the one "major" module (e.g. SELinux) if there is one configured. :maxdepth: 1 apparmor + LoadPin SELinux tomoyo Yama
diff --git a/MAINTAINERS b/MAINTAINERS
index c72830e888f1..3c1560c75aa6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS@@ -11567,6 +11567,7 @@ M: Kees Cook <keescook@chromium.org> T: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git lsm/loadpin S: Supported F: security/loadpin/ +F: Documentation/admin-guide/LSM/LoadPin.rst YAMA SECURITY MODULE M: Kees Cook <keescook@chromium.org>
--
2.7.4
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