Commit e517a0cd authored by Stephen Smalley's avatar Stephen Smalley Committed by Linus Torvalds
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[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: default avatarStephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: default avatarJames Morris <jmorris@namei.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent d34d7ae2
...@@ -262,8 +262,11 @@ int mls_context_to_sid(char oldc, ...@@ -262,8 +262,11 @@ int mls_context_to_sid(char oldc,
struct cat_datum *catdatum, *rngdatum; struct cat_datum *catdatum, *rngdatum;
int l, rc = -EINVAL; int l, rc = -EINVAL;
if (!selinux_mls_enabled) if (!selinux_mls_enabled) {
if (def_sid != SECSID_NULL && oldc)
*scontext += strlen(*scontext);
return 0; return 0;
}
/* /*
* No MLS component to the security context, try and map to * No MLS component to the security context, try and map to
......
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