From: "Paul Moore" <paul.moore@hp.com>
To: selinux@tycho.nsa.gov
Cc: sds@tycho.nsa.gov, jmorris@namei.org
Subject: [RFC] SELinux: move security_skb_extlbl_sid() out of the security server
Date: Thu, 01 Mar 2007 12:34:33 -0500 [thread overview]
Message-ID: <20070301173459.128882191@hp.com> (raw)
As suggested, move the security_skb_extlbl_sid() function out of the security
server and into the SELinux hooks file.
Signed-off-by: Paul Moore <paul.moore@hp.com>
---
security/selinux/hooks.c | 28 ++++++++++++++++++++++++++++
security/selinux/include/security.h | 3 ---
security/selinux/ss/services.c | 27 ---------------------------
3 files changed, 28 insertions(+), 30 deletions(-)
Index: net-2.6_future_2/security/selinux/hooks.c
===================================================================
--- net-2.6_future_2.orig/security/selinux/hooks.c
+++ net-2.6_future_2/security/selinux/hooks.c
@@ -3123,6 +3123,34 @@ static int selinux_parse_skb(struct sk_b
return ret;
}
+/**
+ * security_skb_extlbl_sid - Determine the external label of a packet
+ * @skb: the packet
+ * @base_sid: the SELinux SID to use as a context for MLS only external labels
+ * @sid: the packet's SID
+ *
+ * Description:
+ * Check the various different forms of external packet labeling and determine
+ * the external SID for the packet.
+ *
+ */
+static void security_skb_extlbl_sid(struct sk_buff *skb,
+ u32 base_sid,
+ u32 *sid)
+{
+ u32 xfrm_sid;
+ u32 nlbl_sid;
+
+ selinux_skb_xfrm_sid(skb, &xfrm_sid);
+ if (selinux_netlbl_skbuff_getsid(skb,
+ (xfrm_sid == SECSID_NULL ?
+ base_sid : xfrm_sid),
+ &nlbl_sid) != 0)
+ nlbl_sid = SECSID_NULL;
+
+ *sid = (nlbl_sid == SECSID_NULL ? xfrm_sid : nlbl_sid);
+}
+
/* socket security operations */
static int socket_has_perm(struct task_struct *task, struct socket *sock,
u32 perms)
Index: net-2.6_future_2/security/selinux/include/security.h
===================================================================
--- net-2.6_future_2.orig/security/selinux/include/security.h
+++ net-2.6_future_2/security/selinux/include/security.h
@@ -34,7 +34,6 @@
#define POLICYDB_VERSION_MAX POLICYDB_VERSION_RANGETRANS
#endif
-struct sk_buff;
struct netlbl_lsm_secattr;
extern int selinux_enabled;
@@ -83,8 +82,6 @@ int security_netif_sid(char *name, u32 *
int security_node_sid(u16 domain, void *addr, u32 addrlen,
u32 *out_sid);
-void security_skb_extlbl_sid(struct sk_buff *skb, u32 base_sid, u32 *sid);
-
int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid,
u16 tclass);
Index: net-2.6_future_2/security/selinux/ss/services.c
===================================================================
--- net-2.6_future_2.orig/security/selinux/ss/services.c
+++ net-2.6_future_2/security/selinux/ss/services.c
@@ -39,7 +39,6 @@
#include <linux/sched.h>
#include <linux/audit.h>
#include <linux/mutex.h>
-#include <net/sock.h>
#include <net/netlabel.h>
#include "flask.h"
@@ -2198,32 +2197,6 @@ void selinux_audit_set_callback(int (*ca
aurule_callback = callback;
}
-/**
- * security_skb_extlbl_sid - Determine the external label of a packet
- * @skb: the packet
- * @base_sid: the SELinux SID to use as a context for MLS only external labels
- * @sid: the packet's SID
- *
- * Description:
- * Check the various different forms of external packet labeling and determine
- * the external SID for the packet.
- *
- */
-void security_skb_extlbl_sid(struct sk_buff *skb, u32 base_sid, u32 *sid)
-{
- u32 xfrm_sid;
- u32 nlbl_sid;
-
- selinux_skb_xfrm_sid(skb, &xfrm_sid);
- if (selinux_netlbl_skbuff_getsid(skb,
- (xfrm_sid == SECSID_NULL ?
- base_sid : xfrm_sid),
- &nlbl_sid) != 0)
- nlbl_sid = SECSID_NULL;
-
- *sid = (nlbl_sid == SECSID_NULL ? xfrm_sid : nlbl_sid);
-}
-
#ifdef CONFIG_NETLABEL
/*
* NetLabel cache structure
--
paul moore
linux security @ hp
--
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next reply other threads:[~2007-03-01 17:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-01 17:34 Paul Moore [this message]
2007-03-01 18:44 ` [RFC] SELinux: move security_skb_extlbl_sid() out of the security server Stephen Smalley
2007-03-01 19:35 ` Paul Moore
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