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-rw-r--r--include/linux/security.h40
1 files changed, 34 insertions, 6 deletions
diff --git a/include/linux/security.h b/include/linux/security.h
index f753038..6bc2aad 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1109,6 +1109,16 @@ struct swap_info_struct;
* @name contains the name of the security module being unstacked.
* @ops contains a pointer to the struct security_operations of the module to unstack.
*
+ * @secid_to_secctx:
+ * Convert secid to security context.
+ * @secid contains the security ID.
+ * @secdata contains the pointer that stores the converted security context.
+ *
+ * @release_secctx:
+ * Release the security context.
+ * @secdata contains the security context.
+ * @seclen contains the length of the security context.
+ *
* This is the main security structure.
*/
struct security_operations {
@@ -1289,6 +1299,8 @@ struct security_operations {
int (*getprocattr)(struct task_struct *p, char *name, void *value, size_t size);
int (*setprocattr)(struct task_struct *p, char *name, void *value, size_t size);
+ int (*secid_to_secctx)(u32 secid, char **secdata, u32 *seclen);
+ void (*release_secctx)(char *secdata, u32 seclen);
#ifdef CONFIG_SECURITY_NETWORK
int (*unix_stream_connect) (struct socket * sock,
@@ -1317,7 +1329,7 @@ struct security_operations {
int (*socket_shutdown) (struct socket * sock, int how);
int (*socket_sock_rcv_skb) (struct sock * sk, struct sk_buff * skb);
int (*socket_getpeersec_stream) (struct socket *sock, char __user *optval, int __user *optlen, unsigned len);
- int (*socket_getpeersec_dgram) (struct sk_buff *skb, char **secdata, u32 *seclen);
+ int (*socket_getpeersec_dgram) (struct socket *sock, struct sk_buff *skb, u32 *secid);
int (*sk_alloc_security) (struct sock *sk, int family, gfp_t priority);
void (*sk_free_security) (struct sock *sk);
unsigned int (*sk_getsid) (struct sock *sk, struct flowi *fl, u8 dir);
@@ -2059,6 +2071,16 @@ static inline int security_netlink_recv(struct sk_buff * skb, int cap)
return security_ops->netlink_recv(skb, cap);
}
+static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
+{
+ return security_ops->secid_to_secctx(secid, secdata, seclen);
+}
+
+static inline void security_release_secctx(char *secdata, u32 seclen)
+{
+ return security_ops->release_secctx(secdata, seclen);
+}
+
/* prototypes */
extern int security_init (void);
extern int register_security (struct security_operations *ops);
@@ -2725,6 +2747,14 @@ static inline void securityfs_remove(struct dentry *dentry)
{
}
+static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline void security_release_secctx(char *secdata, u32 seclen)
+{
+}
#endif /* CONFIG_SECURITY */
#ifdef CONFIG_SECURITY_NETWORK
@@ -2840,10 +2870,9 @@ static inline int security_socket_getpeersec_stream(struct socket *sock, char __
return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
}
-static inline int security_socket_getpeersec_dgram(struct sk_buff *skb, char **secdata,
- u32 *seclen)
+static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
{
- return security_ops->socket_getpeersec_dgram(skb, secdata, seclen);
+ return security_ops->socket_getpeersec_dgram(sock, skb, secid);
}
static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
@@ -2968,8 +2997,7 @@ static inline int security_socket_getpeersec_stream(struct socket *sock, char __
return -ENOPROTOOPT;
}
-static inline int security_socket_getpeersec_dgram(struct sk_buff *skb, char **secdata,
- u32 *seclen)
+static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
{
return -ENOPROTOOPT;
}
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