+static int cap_task_getsid(struct task_struct *p)
+{
+ return 0;
+}
+
+static void cap_task_getsecid(struct task_struct *p, u32 *secid)
+{
+ *secid = 0;
+}
+
+static int cap_task_setgroups(struct group_info *group_info)
+{
+ return 0;
+}
+
+static int cap_task_getioprio(struct task_struct *p)
+{
+ return 0;
+}
+
+static int cap_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
+{
+ return 0;
+}
+
+static int cap_task_getscheduler(struct task_struct *p)
+{
+ return 0;
+}
+
+static int cap_task_movememory(struct task_struct *p)
+{
+ return 0;
+}
+
+static int cap_task_wait(struct task_struct *p)
+{
+ return 0;
+}
+
+static int cap_task_kill(struct task_struct *p, struct siginfo *info,
+ int sig, u32 secid)
+{
+ return 0;
+}
+
+static void cap_task_to_inode(struct task_struct *p, struct inode *inode)
+{
+}
+
+static int cap_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
+{
+ return 0;
+}
+
+static void cap_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
+{
+ *secid = 0;
+}
+
+static int cap_msg_msg_alloc_security(struct msg_msg *msg)
+{
+ return 0;
+}
+
+static void cap_msg_msg_free_security(struct msg_msg *msg)
+{
+}
+
+static int cap_msg_queue_alloc_security(struct msg_queue *msq)
+{
+ return 0;
+}
+
+static void cap_msg_queue_free_security(struct msg_queue *msq)
+{
+}
+
+static int cap_msg_queue_associate(struct msg_queue *msq, int msqflg)
+{
+ return 0;
+}
+
+static int cap_msg_queue_msgctl(struct msg_queue *msq, int cmd)
+{
+ return 0;
+}
+
+static int cap_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
+ int msgflg)
+{
+ return 0;
+}
+
+static int cap_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
+ struct task_struct *target, long type, int mode)
+{
+ return 0;
+}
+
+static int cap_shm_alloc_security(struct shmid_kernel *shp)
+{
+ return 0;
+}
+
+static void cap_shm_free_security(struct shmid_kernel *shp)
+{
+}
+
+static int cap_shm_associate(struct shmid_kernel *shp, int shmflg)
+{
+ return 0;
+}
+
+static int cap_shm_shmctl(struct shmid_kernel *shp, int cmd)
+{
+ return 0;
+}
+
+static int cap_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr,
+ int shmflg)
+{
+ return 0;
+}
+
+static int cap_sem_alloc_security(struct sem_array *sma)
+{
+ return 0;
+}
+
+static void cap_sem_free_security(struct sem_array *sma)
+{
+}
+
+static int cap_sem_associate(struct sem_array *sma, int semflg)
+{
+ return 0;
+}
+
+static int cap_sem_semctl(struct sem_array *sma, int cmd)
+{
+ return 0;
+}
+
+static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops,
+ unsigned nsops, int alter)
+{
+ return 0;
+}
+
+#ifdef CONFIG_SECURITY_NETWORK
+static int cap_unix_stream_connect(struct socket *sock, struct socket *other,
+ struct sock *newsk)
+{
+ return 0;
+}
+
+static int cap_unix_may_send(struct socket *sock, struct socket *other)
+{
+ return 0;
+}
+
+static int cap_socket_create(int family, int type, int protocol, int kern)
+{
+ return 0;
+}
+
+static int cap_socket_post_create(struct socket *sock, int family, int type,
+ int protocol, int kern)
+{
+ return 0;
+}
+
+static int cap_socket_bind(struct socket *sock, struct sockaddr *address,
+ int addrlen)
+{
+ return 0;
+}
+
+static int cap_socket_connect(struct socket *sock, struct sockaddr *address,
+ int addrlen)
+{
+ return 0;
+}
+
+static int cap_socket_listen(struct socket *sock, int backlog)
+{
+ return 0;
+}
+
+static int cap_socket_accept(struct socket *sock, struct socket *newsock)
+{
+ return 0;
+}
+
+static void cap_socket_post_accept(struct socket *sock, struct socket *newsock)
+{
+}
+
+static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
+{
+ return 0;
+}
+
+static int cap_socket_recvmsg(struct socket *sock, struct msghdr *msg,
+ int size, int flags)
+{
+ return 0;
+}
+
+static int cap_socket_getsockname(struct socket *sock)
+{
+ return 0;
+}
+
+static int cap_socket_getpeername(struct socket *sock)
+{
+ return 0;
+}
+
+static int cap_socket_setsockopt(struct socket *sock, int level, int optname)
+{
+ return 0;
+}
+
+static int cap_socket_getsockopt(struct socket *sock, int level, int optname)
+{
+ return 0;
+}
+
+static int cap_socket_shutdown(struct socket *sock, int how)
+{
+ return 0;
+}
+
+static int cap_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
+{
+ return 0;
+}
+
+static int cap_socket_getpeersec_stream(struct socket *sock,
+ char __user *optval,
+ int __user *optlen, unsigned len)
+{
+ return -ENOPROTOOPT;
+}
+
+static int cap_socket_getpeersec_dgram(struct socket *sock,
+ struct sk_buff *skb, u32 *secid)
+{
+ return -ENOPROTOOPT;
+}
+
+static int cap_sk_alloc_security(struct sock *sk, int family, gfp_t priority)
+{
+ return 0;
+}
+
+static void cap_sk_free_security(struct sock *sk)
+{
+}
+
+static void cap_sk_clone_security(const struct sock *sk, struct sock *newsk)
+{
+}
+
+static void cap_sk_getsecid(struct sock *sk, u32 *secid)
+{
+}
+
+static void cap_sock_graft(struct sock *sk, struct socket *parent)
+{
+}
+
+static int cap_inet_conn_request(struct sock *sk, struct sk_buff *skb,
+ struct request_sock *req)
+{
+ return 0;
+}
+
+static void cap_inet_csk_clone(struct sock *newsk,
+ const struct request_sock *req)
+{
+}
+
+static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb)
+{
+}
+
+static void cap_req_classify_flow(const struct request_sock *req,
+ struct flowi *fl)
+{
+}
+#endif /* CONFIG_SECURITY_NETWORK */
+
+#ifdef CONFIG_SECURITY_NETWORK_XFRM
+static int cap_xfrm_policy_alloc_security(struct xfrm_sec_ctx **ctxp,
+ struct xfrm_user_sec_ctx *sec_ctx)
+{
+ return 0;
+}
+
+static int cap_xfrm_policy_clone_security(struct xfrm_sec_ctx *old_ctx,
+ struct xfrm_sec_ctx **new_ctxp)
+{
+ return 0;
+}
+
+static void cap_xfrm_policy_free_security(struct xfrm_sec_ctx *ctx)
+{
+}
+
+static int cap_xfrm_policy_delete_security(struct xfrm_sec_ctx *ctx)
+{
+ return 0;
+}
+
+static int cap_xfrm_state_alloc_security(struct xfrm_state *x,
+ struct xfrm_user_sec_ctx *sec_ctx,
+ u32 secid)
+{
+ return 0;
+}
+
+static void cap_xfrm_state_free_security(struct xfrm_state *x)
+{
+}
+
+static int cap_xfrm_state_delete_security(struct xfrm_state *x)
+{
+ return 0;
+}
+
+static int cap_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 sk_sid, u8 dir)
+{
+ return 0;
+}
+
+static int cap_xfrm_state_pol_flow_match(struct xfrm_state *x,
+ struct xfrm_policy *xp,
+ struct flowi *fl)
+{
+ return 1;
+}
+
+static int cap_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall)
+{
+ return 0;
+}
+
+#endif /* CONFIG_SECURITY_NETWORK_XFRM */
+static void cap_d_instantiate(struct dentry *dentry, struct inode *inode)
+{
+}
+
+static int cap_getprocattr(struct task_struct *p, char *name, char **value)
+{
+ return -EINVAL;
+}
+
+static int cap_setprocattr(struct task_struct *p, char *name, void *value,
+ size_t size)
+{
+ return -EINVAL;
+}
+
+static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
+{
+ return -EOPNOTSUPP;
+}
+
+static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
+{
+ return -EOPNOTSUPP;
+}
+
+static void cap_release_secctx(char *secdata, u32 seclen)
+{
+}
+
+#ifdef CONFIG_KEYS
+static int cap_key_alloc(struct key *key, struct task_struct *ctx,
+ unsigned long flags)
+{
+ return 0;
+}
+
+static void cap_key_free(struct key *key)
+{
+}
+
+static int cap_key_permission(key_ref_t key_ref, struct task_struct *context,
+ key_perm_t perm)
+{
+ return 0;
+}
+
+static int cap_key_getsecurity(struct key *key, char **_buffer)
+{
+ *_buffer = NULL;
+ return 0;
+}
+
+#endif /* CONFIG_KEYS */
+
+#ifdef CONFIG_AUDIT
+static int cap_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
+{
+ return 0;
+}
+
+static int cap_audit_rule_known(struct audit_krule *krule)
+{
+ return 0;
+}
+
+static int cap_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
+ struct audit_context *actx)
+{
+ return 0;
+}
+
+static void cap_audit_rule_free(void *lsmrule)
+{
+}
+#endif /* CONFIG_AUDIT */
+
+struct security_operations default_security_ops = {
+ .name = "default",
+};
+
+#define set_to_cap_if_null(ops, function) \
+ do { \
+ if (!ops->function) { \
+ ops->function = cap_##function; \
+ pr_debug("Had to override the " #function \
+ " security operation with the default.\n");\
+ } \
+ } while (0)
+
+void security_fixup_ops(struct security_operations *ops)
+{
+ set_to_cap_if_null(ops, ptrace);
+ set_to_cap_if_null(ops, capget);
+ set_to_cap_if_null(ops, capset_check);
+ set_to_cap_if_null(ops, capset_set);
+ set_to_cap_if_null(ops, acct);
+ set_to_cap_if_null(ops, capable);
+ set_to_cap_if_null(ops, quotactl);
+ set_to_cap_if_null(ops, quota_on);
+ set_to_cap_if_null(ops, sysctl);
+ set_to_cap_if_null(ops, syslog);
+ set_to_cap_if_null(ops, settime);
+ set_to_cap_if_null(ops, vm_enough_memory);
+ set_to_cap_if_null(ops, bprm_alloc_security);
+ set_to_cap_if_null(ops, bprm_free_security);
+ set_to_cap_if_null(ops, bprm_apply_creds);
+ set_to_cap_if_null(ops, bprm_post_apply_creds);
+ set_to_cap_if_null(ops, bprm_set_security);
+ set_to_cap_if_null(ops, bprm_check_security);
+ set_to_cap_if_null(ops, bprm_secureexec);
+ set_to_cap_if_null(ops, sb_alloc_security);
+ set_to_cap_if_null(ops, sb_free_security);
+ set_to_cap_if_null(ops, sb_copy_data);
+ set_to_cap_if_null(ops, sb_kern_mount);
+ set_to_cap_if_null(ops, sb_show_options);
+ set_to_cap_if_null(ops, sb_statfs);
+ set_to_cap_if_null(ops, sb_mount);
+ set_to_cap_if_null(ops, sb_check_sb);
+ set_to_cap_if_null(ops, sb_umount);
+ set_to_cap_if_null(ops, sb_umount_close);
+ set_to_cap_if_null(ops, sb_umount_busy);
+ set_to_cap_if_null(ops, sb_post_remount);
+ set_to_cap_if_null(ops, sb_post_addmount);
+ set_to_cap_if_null(ops, sb_pivotroot);
+ set_to_cap_if_null(ops, sb_post_pivotroot);
+ set_to_cap_if_null(ops, sb_set_mnt_opts);
+ set_to_cap_if_null(ops, sb_clone_mnt_opts);
+ set_to_cap_if_null(ops, sb_parse_opts_str);
+ set_to_cap_if_null(ops, inode_alloc_security);
+ set_to_cap_if_null(ops, inode_free_security);
+ set_to_cap_if_null(ops, inode_init_security);
+ set_to_cap_if_null(ops, inode_create);
+ set_to_cap_if_null(ops, inode_link);
+ set_to_cap_if_null(ops, inode_unlink);
+ set_to_cap_if_null(ops, inode_symlink);
+ set_to_cap_if_null(ops, inode_mkdir);
+ set_to_cap_if_null(ops, inode_rmdir);
+ set_to_cap_if_null(ops, inode_mknod);
+ set_to_cap_if_null(ops, inode_rename);
+ set_to_cap_if_null(ops, inode_readlink);
+ set_to_cap_if_null(ops, inode_follow_link);
+ set_to_cap_if_null(ops, inode_permission);
+ set_to_cap_if_null(ops, inode_setattr);
+ set_to_cap_if_null(ops, inode_getattr);
+ set_to_cap_if_null(ops, inode_delete);
+ set_to_cap_if_null(ops, inode_setxattr);
+ set_to_cap_if_null(ops, inode_post_setxattr);
+ set_to_cap_if_null(ops, inode_getxattr);
+ set_to_cap_if_null(ops, inode_listxattr);
+ set_to_cap_if_null(ops, inode_removexattr);
+ set_to_cap_if_null(ops, inode_need_killpriv);
+ set_to_cap_if_null(ops, inode_killpriv);
+ set_to_cap_if_null(ops, inode_getsecurity);
+ set_to_cap_if_null(ops, inode_setsecurity);
+ set_to_cap_if_null(ops, inode_listsecurity);
+ set_to_cap_if_null(ops, inode_getsecid);
+ set_to_cap_if_null(ops, file_permission);
+ set_to_cap_if_null(ops, file_alloc_security);
+ set_to_cap_if_null(ops, file_free_security);
+ set_to_cap_if_null(ops, file_ioctl);
+ set_to_cap_if_null(ops, file_mmap);
+ set_to_cap_if_null(ops, file_mprotect);
+ set_to_cap_if_null(ops, file_lock);
+ set_to_cap_if_null(ops, file_fcntl);
+ set_to_cap_if_null(ops, file_set_fowner);
+ set_to_cap_if_null(ops, file_send_sigiotask);
+ set_to_cap_if_null(ops, file_receive);
+ set_to_cap_if_null(ops, dentry_open);
+ set_to_cap_if_null(ops, task_create);
+ set_to_cap_if_null(ops, task_alloc_security);
+ set_to_cap_if_null(ops, task_free_security);
+ set_to_cap_if_null(ops, task_setuid);
+ set_to_cap_if_null(ops, task_post_setuid);
+ set_to_cap_if_null(ops, task_setgid);
+ set_to_cap_if_null(ops, task_setpgid);
+ set_to_cap_if_null(ops, task_getpgid);
+ set_to_cap_if_null(ops, task_getsid);
+ set_to_cap_if_null(ops, task_getsecid);
+ set_to_cap_if_null(ops, task_setgroups);
+ set_to_cap_if_null(ops, task_setnice);
+ set_to_cap_if_null(ops, task_setioprio);
+ set_to_cap_if_null(ops, task_getioprio);
+ set_to_cap_if_null(ops, task_setrlimit);
+ set_to_cap_if_null(ops, task_setscheduler);
+ set_to_cap_if_null(ops, task_getscheduler);
+ set_to_cap_if_null(ops, task_movememory);
+ set_to_cap_if_null(ops, task_wait);
+ set_to_cap_if_null(ops, task_kill);
+ set_to_cap_if_null(ops, task_prctl);
+ set_to_cap_if_null(ops, task_reparent_to_init);
+ set_to_cap_if_null(ops, task_to_inode);
+ set_to_cap_if_null(ops, ipc_permission);
+ set_to_cap_if_null(ops, ipc_getsecid);
+ set_to_cap_if_null(ops, msg_msg_alloc_security);
+ set_to_cap_if_null(ops, msg_msg_free_security);
+ set_to_cap_if_null(ops, msg_queue_alloc_security);
+ set_to_cap_if_null(ops, msg_queue_free_security);
+ set_to_cap_if_null(ops, msg_queue_associate);
+ set_to_cap_if_null(ops, msg_queue_msgctl);
+ set_to_cap_if_null(ops, msg_queue_msgsnd);
+ set_to_cap_if_null(ops, msg_queue_msgrcv);
+ set_to_cap_if_null(ops, shm_alloc_security);
+ set_to_cap_if_null(ops, shm_free_security);
+ set_to_cap_if_null(ops, shm_associate);
+ set_to_cap_if_null(ops, shm_shmctl);
+ set_to_cap_if_null(ops, shm_shmat);
+ set_to_cap_if_null(ops, sem_alloc_security);
+ set_to_cap_if_null(ops, sem_free_security);
+ set_to_cap_if_null(ops, sem_associate);
+ set_to_cap_if_null(ops, sem_semctl);
+ set_to_cap_if_null(ops, sem_semop);
+ set_to_cap_if_null(ops, netlink_send);
+ set_to_cap_if_null(ops, netlink_recv);
+ set_to_cap_if_null(ops, d_instantiate);
+ set_to_cap_if_null(ops, getprocattr);
+ set_to_cap_if_null(ops, setprocattr);
+ set_to_cap_if_null(ops, secid_to_secctx);
+ set_to_cap_if_null(ops, secctx_to_secid);
+ set_to_cap_if_null(ops, release_secctx);
+#ifdef CONFIG_SECURITY_NETWORK
+ set_to_cap_if_null(ops, unix_stream_connect);
+ set_to_cap_if_null(ops, unix_may_send);
+ set_to_cap_if_null(ops, socket_create);
+ set_to_cap_if_null(ops, socket_post_create);
+ set_to_cap_if_null(ops, socket_bind);
+ set_to_cap_if_null(ops, socket_connect);
+ set_to_cap_if_null(ops, socket_listen);
+ set_to_cap_if_null(ops, socket_accept);
+ set_to_cap_if_null(ops, socket_post_accept);
+ set_to_cap_if_null(ops, socket_sendmsg);
+ set_to_cap_if_null(ops, socket_recvmsg);
+ set_to_cap_if_null(ops, socket_getsockname);
+ set_to_cap_if_null(ops, socket_getpeername);
+ set_to_cap_if_null(ops, socket_setsockopt);
+ set_to_cap_if_null(ops, socket_getsockopt);
+ set_to_cap_if_null(ops, socket_shutdown);
+ set_to_cap_if_null(ops, socket_sock_rcv_skb);
+ set_to_cap_if_null(ops, socket_getpeersec_stream);
+ set_to_cap_if_null(ops, socket_getpeersec_dgram);
+ set_to_cap_if_null(ops, sk_alloc_security);
+ set_to_cap_if_null(ops, sk_free_security);
+ set_to_cap_if_null(ops, sk_clone_security);
+ set_to_cap_if_null(ops, sk_getsecid);
+ set_to_cap_if_null(ops, sock_graft);
+ set_to_cap_if_null(ops, inet_conn_request);
+ set_to_cap_if_null(ops, inet_csk_clone);
+ set_to_cap_if_null(ops, inet_conn_established);
+ set_to_cap_if_null(ops, req_classify_flow);
+#endif /* CONFIG_SECURITY_NETWORK */
+#ifdef CONFIG_SECURITY_NETWORK_XFRM
+ set_to_cap_if_null(ops, xfrm_policy_alloc_security);
+ set_to_cap_if_null(ops, xfrm_policy_clone_security);
+ set_to_cap_if_null(ops, xfrm_policy_free_security);
+ set_to_cap_if_null(ops, xfrm_policy_delete_security);
+ set_to_cap_if_null(ops, xfrm_state_alloc_security);
+ set_to_cap_if_null(ops, xfrm_state_free_security);
+ set_to_cap_if_null(ops, xfrm_state_delete_security);
+ set_to_cap_if_null(ops, xfrm_policy_lookup);
+ set_to_cap_if_null(ops, xfrm_state_pol_flow_match);
+ set_to_cap_if_null(ops, xfrm_decode_session);
+#endif /* CONFIG_SECURITY_NETWORK_XFRM */
+#ifdef CONFIG_KEYS
+ set_to_cap_if_null(ops, key_alloc);
+ set_to_cap_if_null(ops, key_free);
+ set_to_cap_if_null(ops, key_permission);
+ set_to_cap_if_null(ops, key_getsecurity);
+#endif /* CONFIG_KEYS */
+#ifdef CONFIG_AUDIT
+ set_to_cap_if_null(ops, audit_rule_init);
+ set_to_cap_if_null(ops, audit_rule_known);
+ set_to_cap_if_null(ops, audit_rule_match);
+ set_to_cap_if_null(ops, audit_rule_free);
+#endif
+}