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From: Casey Schaufler <casey@schaufler-ca.com>
To: jmorris@namei.org, linux-security-module@vger.kernel.org,
	selinux@vger.kernel.org
Cc: keescook@chromium.org, john.johansen@canonical.com,
	penguin-kernel@i-love.sakura.ne.jp, paul@paul-moore.com
Subject: [PATCH 82/97] Smack: Fix setting of the CIPSO MLS_CAT flags
Date: Thu, 28 Feb 2019 14:43:41 -0800	[thread overview]
Message-ID: <20190228224356.2608-13-casey@schaufler-ca.com> (raw)
In-Reply-To: <20190228224356.2608-1-casey@schaufler-ca.com>

Don't tell CIPSO that a netlabel created by Smack has
categories set whenit doesn't.

Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
---
 security/smack/smack_access.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/security/smack/smack_access.c b/security/smack/smack_access.c
index 0764bb85daee..5fe5c6799b27 100644
--- a/security/smack/smack_access.c
+++ b/security/smack/smack_access.c
@@ -494,8 +494,8 @@ int smk_netlbl_mls(int level, char *catset, struct netlbl_lsm_secattr *sap,
 	int cat;
 	int rc;
 	int byte;
+	bool has = false;
 
-	sap->flags |= NETLBL_SECATTR_MLS_CAT;
 	sap->attr.mls.lvl = level;
 	sap->attr.mls.cat = NULL;
 
@@ -503,6 +503,7 @@ int smk_netlbl_mls(int level, char *catset, struct netlbl_lsm_secattr *sap,
 		for (m = 0x80; m != 0; m >>= 1, cat++) {
 			if ((m & *cp) == 0)
 				continue;
+			has = true;
 			rc = netlbl_catmap_setbit(&sap->attr.mls.cat,
 						  cat, GFP_KERNEL);
 			if (rc < 0) {
@@ -511,6 +512,9 @@ int smk_netlbl_mls(int level, char *catset, struct netlbl_lsm_secattr *sap,
 			}
 		}
 
+	if (has)
+		sap->flags |= NETLBL_SECATTR_MLS_CAT;
+
 	return 0;
 }
 
-- 
2.17.0


  parent reply	other threads:[~2019-02-28 22:44 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-28 22:43 [PATCH 00/97] LSM: Complete module stacking Casey Schaufler
2019-02-28 22:43 ` [PATCH 71/97] LSM: Add secmark refcounting to call_one list Casey Schaufler
2019-02-28 22:43 ` [PATCH 72/97] LSM: Add secmark refcounting to call_one list - part 2 Casey Schaufler
2019-02-28 22:43 ` [PATCH 73/97] LSM: refactor security_setprocattr Casey Schaufler
2019-02-28 22:43 ` [PATCH 74/97] Smack: Detect if secmarks can be safely used Casey Schaufler
2019-02-28 22:43 ` [PATCH 75/97] LSM: Support multiple LSMs using inode_init_security Casey Schaufler
2019-02-28 22:43 ` [PATCH 76/97] LSM: Use full security context in security_inode_setsecctx Casey Schaufler
2019-02-28 22:43 ` [PATCH 77/97] LSM: Correct handling of ENOSYS in inode_setxattr Casey Schaufler
2019-02-28 22:43 ` [PATCH 78/97] LSM: Infrastructure security blobs for mount options Casey Schaufler
2019-02-28 22:43 ` [PATCH 79/97] LSM: Fix for security_init_inode_security Casey Schaufler
2019-02-28 22:43 ` [PATCH 80/97] Smack: Advertise the secid to netlabel Casey Schaufler
2019-02-28 22:43 ` [PATCH 81/97] LSM: Change error detection for UDP peer security Casey Schaufler
2019-02-28 22:43 ` Casey Schaufler [this message]
2019-02-28 22:43 ` [PATCH 83/97] Smack: Set netlabel flags properly on new label import Casey Schaufler
2019-02-28 22:43 ` [PATCH 84/97] Netlabel: Add a secattr comparison API function Casey Schaufler
2019-02-28 22:43 ` [PATCH 85/97] Smack: Let netlabel do the work on the ambient domain Casey Schaufler
2019-02-28 22:43 ` [PATCH 86/97] Smack: Don't set the socket label on each send Casey Schaufler
2019-02-28 22:43 ` [PATCH 87/97] Smack: Let netlabel do the work on connections Casey Schaufler
2019-02-28 22:43 ` [PATCH 88/97] Netlabel: Return the labeling type on socket Casey Schaufler
2019-02-28 22:43 ` [PATCH 89/97] " Casey Schaufler
2019-02-28 22:43 ` [PATCH 90/97] " Casey Schaufler
2019-02-28 22:43 ` [PATCH 91/97] " Casey Schaufler
2019-02-28 22:43 ` [PATCH 92/97] LSM: Remember the NLTYPE of netlabel sockets Casey Schaufler
2019-02-28 22:43 ` [PATCH 93/97] Smack: Use the NLTYPE on output Casey Schaufler
2019-02-28 22:43 ` [PATCH 94/97] LSM: Hook for netlabel reconciliation Casey Schaufler
2019-02-28 22:43 ` [PATCH 95/97] LSM: Avoid network conflicts in SELinux and Smack Casey Schaufler
2019-02-28 22:43 ` [PATCH 96/97] LSM: Apply Netlabel consitancy checks on send and connect Casey Schaufler
2019-02-28 22:43 ` [PATCH 97/97] Smack: Remove the exclusive bit Casey Schaufler

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