netlabel: Changes to the NetLabel security attributes to allow LSMs to pass full contexts

This patch provides support for including the LSM's secid in addition to
the LSM's MLS information in the NetLabel security attributes structure.

Signed-off-by: Paul Moore <paul.moore@hp.com>
Acked-by: James Morris <jmorris@namei.org>

2 files changed, 3 insertions, 2 deletions

diff --git a/include/net/netlabel.h b/include/net/netlabel.h
index 074cad40ac66..d56517ac3bae 100644
--- a/include/net/netlabel.h
+++ b/include/net/netlabel.h
@@ -203,7 +203,7 @@ struct netlbl_lsm_secattr {
         u32 type;
         char *domain;
         struct netlbl_lsm_cache *cache;
-        union {
+        struct {
                 struct {
                         struct netlbl_lsm_secattr_catmap *cat;
                         u32 lvl;
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index c8f688a10041..ed0ca649d7db 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -2803,7 +2803,8 @@ int security_netlbl_sid_to_secattr(u32 sid, struct netlbl_lsm_secattr *secattr)
                 rc = -ENOMEM;
                 goto netlbl_sid_to_secattr_failure;
         }
-        secattr->flags |= NETLBL_SECATTR_DOMAIN_CPY;
+        secattr->attr.secid = sid;
+        secattr->flags |= NETLBL_SECATTR_DOMAIN_CPY | NETLBL_SECATTR_SECID;
         mls_export_netlbl_lvl(ctx, secattr);
         rc = mls_export_netlbl_cat(ctx, secattr);
         if (rc != 0)