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-rw-r--r--security/selinux/ss/mls.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/security/selinux/ss/mls.h b/security/selinux/ss/mls.h
index fbb42f0..90c5e88 100644
--- a/security/selinux/ss/mls.h
+++ b/security/selinux/ss/mls.h
@@ -17,6 +17,26 @@
#include "context.h"
#include "policydb.h"
+/*
+ * Copies the MLS range from `src' into `dst'.
+ */
+static inline int mls_copy_context(struct context *dst,
+ struct context *src)
+{
+ int l, rc = 0;
+
+ /* Copy the MLS range from the source context */
+ for (l = 0; l < 2; l++) {
+ dst->range.level[l].sens = src->range.level[l].sens;
+ rc = ebitmap_cpy(&dst->range.level[l].cat,
+ &src->range.level[l].cat);
+ if (rc)
+ break;
+ }
+
+ return rc;
+}
+
int mls_compute_context_len(struct context *context);
void mls_sid_to_context(struct context *context, char **scontext);
int mls_context_isvalid(struct policydb *p, struct context *c);
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