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authorStephen Smalley <sds@tycho.nsa.gov>2005-11-08 21:34:32 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-09 07:55:51 -0800
commite517a0cd859ae0c4d9451107113fc2b076456f8f (patch)
treecf1c23d7d6715267ff7ee2b3dd5ba1c5ea8c0345 /security/selinux/ss/mls.c
parent[PATCH] drm fixup pci gart settings (diff)
downloadlinux-dev-e517a0cd859ae0c4d9451107113fc2b076456f8f.tar.xz
linux-dev-e517a0cd859ae0c4d9451107113fc2b076456f8f.zip
[PATCH] selinux: MLS compatibility
This patch enables files created on a MLS-enabled SELinux system to be accessible on a non-MLS SELinux system, by skipping the MLS component of the security context in the non-MLS case. Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: James Morris <jmorris@namei.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'security/selinux/ss/mls.c')
-rw-r--r--security/selinux/ss/mls.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/security/selinux/ss/mls.c b/security/selinux/ss/mls.c
index aaefac2921f1..640d0bfdbc68 100644
--- a/security/selinux/ss/mls.c
+++ b/security/selinux/ss/mls.c
@@ -262,8 +262,11 @@ int mls_context_to_sid(char oldc,
struct cat_datum *catdatum, *rngdatum;
int l, rc = -EINVAL;
- if (!selinux_mls_enabled)
+ if (!selinux_mls_enabled) {
+ if (def_sid != SECSID_NULL && oldc)
+ *scontext += strlen(*scontext);
return 0;
+ }
/*
* No MLS component to the security context, try and map to