[PATCH 73/90] Smack: Advertise the secid to netlabel

[Casey Schaufler]

Add the secid to the attributes shared with netlabel.

Signed-off-by: Casey Schaufler <casey at schaufler-ca.com>
---
 security/smack/smack_access.c | 8 ++++++--
 security/smack/smackfs.c      | 8 ++++++--
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/security/smack/smack_access.c b/security/smack/smack_access.c
index fe2ce3a65822..0764bb85daee 100644
--- a/security/smack/smack_access.c
+++ b/security/smack/smack_access.c
@@ -549,8 +549,12 @@ struct smack_known *smk_import_entry(const char *string, int len)
 	skp->smk_known = smack;
 	skp->smk_secid = smack_next_secid++;
 	skp->smk_netlabel.domain = skp->smk_known;
-	skp->smk_netlabel.flags =
-		NETLBL_SECATTR_DOMAIN | NETLBL_SECATTR_MLS_LVL;
+	lsm_export_init(&skp->smk_netlabel.attr.le);
+	skp->smk_netlabel.attr.le.flags = LSM_EXPORT_SMACK;
+	skp->smk_netlabel.attr.le.smack = skp->smk_secid;
+	skp->smk_netlabel.flags = NETLBL_SECATTR_DOMAIN |
+				  NETLBL_SECATTR_MLS_LVL |
+				  NETLBL_SECATTR_SECID;
 	/*
 	 * If direct labeling works use it.
 	 * Otherwise use mapped labeling.
diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 28c567465f6c..abaa5325c32f 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -2953,8 +2953,12 @@ static struct vfsmount *smackfs_mount;
 static int __init smk_preset_netlabel(struct smack_known *skp)
 {
 	skp->smk_netlabel.domain = skp->smk_known;
-	skp->smk_netlabel.flags =
-		NETLBL_SECATTR_DOMAIN | NETLBL_SECATTR_MLS_LVL;
+	lsm_export_init(&skp->smk_netlabel.attr.le);
+	skp->smk_netlabel.attr.le.flags = LSM_EXPORT_SMACK;
+	skp->smk_netlabel.attr.le.smack = skp->smk_secid;
+	skp->smk_netlabel.flags = NETLBL_SECATTR_DOMAIN |
+				  NETLBL_SECATTR_MLS_LVL |
+				  NETLBL_SECATTR_SECID;
 	return smk_netlbl_mls(smack_cipso_direct, skp->smk_known,
 				&skp->smk_netlabel, strlen(skp->smk_known));
 }
-- 
2.19.1