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authorJames Morris <jmorris@namei.org>2007-10-16 23:31:32 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 08:43:07 -0700
commit20510f2f4e2dabb0ff6c13901807627ec9452f98 (patch)
treed64b9eeb90d577f7f9688a215c4c6c3c2405188a /security/Kconfig
parent5c3b447457789374cdb7b03afe2540d48c649a36 (diff)
downloadlinaro-lsk-20510f2f4e2dabb0ff6c13901807627ec9452f98.tar.gz
security: Convert LSM into a static interface
Convert LSM into a static interface, as the ability to unload a security module is not required by in-tree users and potentially complicates the overall security architecture. Needlessly exported LSM symbols have been unexported, to help reduce API abuse. Parameters for the capability and root_plug modules are now specified at boot. The SECURITY_FRAMEWORK_VERSION macro has also been removed. In a nutshell, there is no safe way to unload an LSM. The modular interface is thus unecessary and broken infrastructure. It is used only by out-of-tree modules, which are often binary-only, illegal, abusive of the API and dangerous, e.g. silently re-vectoring SELinux. [akpm@linux-foundation.org: cleanups] [akpm@linux-foundation.org: USB Kconfig fix] [randy.dunlap@oracle.com: fix LSM kernel-doc] Signed-off-by: James Morris <jmorris@namei.org> Acked-by: Chris Wright <chrisw@sous-sol.org> Cc: Stephen Smalley <sds@tycho.nsa.gov> Cc: "Serge E. Hallyn" <serue@us.ibm.com> Acked-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'security/Kconfig')
-rw-r--r--security/Kconfig6
1 files changed, 3 insertions, 3 deletions
diff --git a/security/Kconfig b/security/Kconfig
index 460e5c9cf49..a94ee94cf49 100644
--- a/security/Kconfig
+++ b/security/Kconfig
@@ -74,15 +74,15 @@ config SECURITY_NETWORK_XFRM
If you are unsure how to answer this question, answer N.
config SECURITY_CAPABILITIES
- tristate "Default Linux Capabilities"
+ bool "Default Linux Capabilities"
depends on SECURITY
help
This enables the "default" Linux capabilities functionality.
If you are unsure how to answer this question, answer Y.
config SECURITY_ROOTPLUG
- tristate "Root Plug Support"
- depends on USB && SECURITY
+ bool "Root Plug Support"
+ depends on USB=y && SECURITY
help
This is a sample LSM module that should only be used as such.
It prevents any programs running with egid == 0 if a specific