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Diffstat (limited to 'include/linux/security.h')
-rw-r--r--include/linux/security.h109
1 files changed, 82 insertions, 27 deletions
diff --git a/include/linux/security.h b/include/linux/security.h
index 7caf520e6233..2800ef53c424 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -29,6 +29,7 @@
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/bio.h>
+#include <linux/bpf.h>
struct linux_binprm;
struct cred;
@@ -101,7 +102,7 @@ struct sk_buff;
struct sock;
struct sockaddr;
struct socket;
-struct flowi;
+struct flowi_common;
struct dst_entry;
struct xfrm_selector;
struct xfrm_policy;
@@ -183,13 +184,13 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
extern int security_init(void);
/* Security operations */
-int security_binder_set_context_mgr(struct task_struct *mgr);
-int security_binder_transaction(struct task_struct *from,
- struct task_struct *to);
-int security_binder_transfer_binder(struct task_struct *from,
- struct task_struct *to);
-int security_binder_transfer_file(struct task_struct *from,
- struct task_struct *to, struct file *file);
+int security_binder_set_context_mgr(const struct cred *mgr);
+int security_binder_transaction(const struct cred *from,
+ const struct cred *to);
+int security_binder_transfer_binder(const struct cred *from,
+ const struct cred *to);
+int security_binder_transfer_file(const struct cred *from,
+ const struct cred *to, struct file *file);
int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
int security_ptrace_traceme(struct task_struct *parent);
int security_capget(struct task_struct *target,
@@ -272,10 +273,10 @@ int security_inode_listxattr(struct dentry *dentry);
int security_inode_removexattr(struct dentry *dentry, const char *name);
int security_inode_need_killpriv(struct dentry *dentry);
int security_inode_killpriv(struct dentry *dentry);
-int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc);
+int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc);
int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
-void security_inode_getsecid(const struct inode *inode, u32 *secid);
+void security_inode_getsecid(struct inode *inode, u32 *secid);
int security_file_permission(struct file *file, int mask);
int security_file_alloc(struct file *file);
void security_file_free(struct file *file);
@@ -355,6 +356,7 @@ int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
void security_release_secctx(char *secdata, u32 seclen);
+void security_inode_invalidate_secctx(struct inode *inode);
int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
@@ -380,25 +382,25 @@ static inline int security_init(void)
return 0;
}
-static inline int security_binder_set_context_mgr(struct task_struct *mgr)
+static inline int security_binder_set_context_mgr(const struct cred *mgr)
{
return 0;
}
-static inline int security_binder_transaction(struct task_struct *from,
- struct task_struct *to)
+static inline int security_binder_transaction(const struct cred *from,
+ const struct cred *to)
{
return 0;
}
-static inline int security_binder_transfer_binder(struct task_struct *from,
- struct task_struct *to)
+static inline int security_binder_transfer_binder(const struct cred *from,
+ const struct cred *to)
{
return 0;
}
-static inline int security_binder_transfer_file(struct task_struct *from,
- struct task_struct *to,
+static inline int security_binder_transfer_file(const struct cred *from,
+ const struct cred *to,
struct file *file)
{
return 0;
@@ -728,7 +730,7 @@ static inline int security_inode_killpriv(struct dentry *dentry)
return cap_inode_killpriv(dentry);
}
-static inline int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
+static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
{
return -EOPNOTSUPP;
}
@@ -743,7 +745,7 @@ static inline int security_inode_listsecurity(struct inode *inode, char *buffer,
return 0;
}
-static inline void security_inode_getsecid(const struct inode *inode, u32 *secid)
+static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
{
*secid = 0;
}
@@ -1102,6 +1104,10 @@ static inline void security_release_secctx(char *secdata, u32 seclen)
{
}
+static inline void security_inode_invalidate_secctx(struct inode *inode)
+{
+}
+
static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
{
return -EOPNOTSUPP;
@@ -1142,8 +1148,9 @@ int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u
int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
void security_sk_free(struct sock *sk);
void security_sk_clone(const struct sock *sk, struct sock *newsk);
-void security_sk_classify_flow(struct sock *sk, struct flowi *fl);
-void security_req_classify_flow(const struct request_sock *req, struct flowi *fl);
+void security_sk_classify_flow(struct sock *sk, struct flowi_common *flic);
+void security_req_classify_flow(const struct request_sock *req,
+ struct flowi_common *flic);
void security_sock_graft(struct sock*sk, struct socket *parent);
int security_inet_conn_request(struct sock *sk,
struct sk_buff *skb, struct request_sock *req);
@@ -1283,11 +1290,13 @@ static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
{
}
-static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
+static inline void security_sk_classify_flow(struct sock *sk,
+ struct flowi_common *flic)
{
}
-static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
+static inline void security_req_classify_flow(const struct request_sock *req,
+ struct flowi_common *flic)
{
}
@@ -1369,9 +1378,9 @@ void security_xfrm_state_free(struct xfrm_state *x);
int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
struct xfrm_policy *xp,
- const struct flowi *fl);
+ const struct flowi_common *flic);
int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
-void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl);
+void security_skb_classify_flow(struct sk_buff *skb, struct flowi_common *flic);
#else /* CONFIG_SECURITY_NETWORK_XFRM */
@@ -1423,7 +1432,8 @@ static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_s
}
static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
- struct xfrm_policy *xp, const struct flowi *fl)
+ struct xfrm_policy *xp,
+ const struct flowi_common *flic)
{
return 1;
}
@@ -1433,7 +1443,8 @@ static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
return 0;
}
-static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
+static inline void security_skb_classify_flow(struct sk_buff *skb,
+ struct flowi_common *flic)
{
}
@@ -1623,6 +1634,50 @@ static inline void securityfs_remove(struct dentry *dentry)
#endif
+#ifdef CONFIG_BPF_SYSCALL
+#ifdef CONFIG_SECURITY
+extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
+extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
+extern int security_bpf_prog(struct bpf_prog *prog);
+extern int security_bpf_map_alloc(struct bpf_map *map);
+extern void security_bpf_map_free(struct bpf_map *map);
+extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
+extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
+#else
+static inline int security_bpf(int cmd, union bpf_attr *attr,
+ unsigned int size)
+{
+ return 0;
+}
+
+static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
+{
+ return 0;
+}
+
+static inline int security_bpf_prog(struct bpf_prog *prog)
+{
+ return 0;
+}
+
+static inline int security_bpf_map_alloc(struct bpf_map *map)
+{
+ return 0;
+}
+
+static inline void security_bpf_map_free(struct bpf_map *map)
+{ }
+
+static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
+{
+ return 0;
+}
+
+static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
+{ }
+#endif /* CONFIG_SECURITY */
+#endif /* CONFIG_BPF_SYSCALL */
+
#ifdef CONFIG_SECURITY
static inline char *alloc_secdata(void)