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LSM: Add security module hook list heads

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Add a list header for each security hook. They aren't used until
later in the patch series. They are grouped together in a structure
so that there doesn't need to be an external address for each.

Macro-ize the initialization of the security_operations
for each security module in anticipation of changing out
the security_operations structure.

Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Acked-by: John Johansen <john.johansen@canonical.com>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Paul Moore <paul@paul-moore.com>
Acked-by:  Stephen Smalley <sds@tycho.nsa.gov>
Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <james.l.morris@oracle.com>
This commit is contained in:
Casey Schaufler 2015-05-02 15:11:36 -07:00 • committed by James Morris
parent f25fce3e8f
commit e20b043a69
6 changed files with 583 additions and 359 deletions
Download patch file Download diff file Expand all files Collapse all files

220
include/linux/lsm_hooks.h
View file

@ -1626,6 +1626,226 @@ struct security_operations {
#endif /* CONFIG_AUDIT */
};
struct security_hook_heads {
struct list_head binder_set_context_mgr;
struct list_head binder_transaction;
struct list_head binder_transfer_binder;
struct list_head binder_transfer_file;
struct list_head ptrace_access_check;
struct list_head ptrace_traceme;
struct list_head capget;
struct list_head capset;
struct list_head capable;
struct list_head quotactl;
struct list_head quota_on;
struct list_head syslog;
struct list_head settime;
struct list_head vm_enough_memory;
struct list_head bprm_set_creds;
struct list_head bprm_check_security;
struct list_head bprm_secureexec;
struct list_head bprm_committing_creds;
struct list_head bprm_committed_creds;
struct list_head sb_alloc_security;
struct list_head sb_free_security;
struct list_head sb_copy_data;
struct list_head sb_remount;
struct list_head sb_kern_mount;
struct list_head sb_show_options;
struct list_head sb_statfs;
struct list_head sb_mount;
struct list_head sb_umount;
struct list_head sb_pivotroot;
struct list_head sb_set_mnt_opts;
struct list_head sb_clone_mnt_opts;
struct list_head sb_parse_opts_str;
struct list_head dentry_init_security;
#ifdef CONFIG_SECURITY_PATH
struct list_head path_unlink;
struct list_head path_mkdir;
struct list_head path_rmdir;
struct list_head path_mknod;
struct list_head path_truncate;
struct list_head path_symlink;
struct list_head path_link;
struct list_head path_rename;
struct list_head path_chmod;
struct list_head path_chown;
struct list_head path_chroot;
#endif
struct list_head inode_alloc_security;
struct list_head inode_free_security;
struct list_head inode_init_security;
struct list_head inode_create;
struct list_head inode_link;
struct list_head inode_unlink;
struct list_head inode_symlink;
struct list_head inode_mkdir;
struct list_head inode_rmdir;
struct list_head inode_mknod;
struct list_head inode_rename;
struct list_head inode_readlink;
struct list_head inode_follow_link;
struct list_head inode_permission;
struct list_head inode_setattr;
struct list_head inode_getattr;
struct list_head inode_setxattr;
struct list_head inode_post_setxattr;
struct list_head inode_getxattr;
struct list_head inode_listxattr;
struct list_head inode_removexattr;
struct list_head inode_need_killpriv;
struct list_head inode_killpriv;
struct list_head inode_getsecurity;
struct list_head inode_setsecurity;
struct list_head inode_listsecurity;
struct list_head inode_getsecid;
struct list_head file_permission;
struct list_head file_alloc_security;
struct list_head file_free_security;
struct list_head file_ioctl;
struct list_head mmap_addr;
struct list_head mmap_file;
struct list_head file_mprotect;
struct list_head file_lock;
struct list_head file_fcntl;
struct list_head file_set_fowner;
struct list_head file_send_sigiotask;
struct list_head file_receive;
struct list_head file_open;
struct list_head task_create;
struct list_head task_free;
struct list_head cred_alloc_blank;
struct list_head cred_free;
struct list_head cred_prepare;
struct list_head cred_transfer;
struct list_head kernel_act_as;
struct list_head kernel_create_files_as;
struct list_head kernel_fw_from_file;
struct list_head kernel_module_request;
struct list_head kernel_module_from_file;
struct list_head task_fix_setuid;
struct list_head task_setpgid;
struct list_head task_getpgid;
struct list_head task_getsid;
struct list_head task_getsecid;
struct list_head task_setnice;
struct list_head task_setioprio;
struct list_head task_getioprio;
struct list_head task_setrlimit;
struct list_head task_setscheduler;
struct list_head task_getscheduler;
struct list_head task_movememory;
struct list_head task_kill;
struct list_head task_wait;
struct list_head task_prctl;
struct list_head task_to_inode;
struct list_head ipc_permission;
struct list_head ipc_getsecid;
struct list_head msg_msg_alloc_security;
struct list_head msg_msg_free_security;
struct list_head msg_queue_alloc_security;
struct list_head msg_queue_free_security;
struct list_head msg_queue_associate;
struct list_head msg_queue_msgctl;
struct list_head msg_queue_msgsnd;
struct list_head msg_queue_msgrcv;
struct list_head shm_alloc_security;
struct list_head shm_free_security;
struct list_head shm_associate;
struct list_head shm_shmctl;
struct list_head shm_shmat;
struct list_head sem_alloc_security;
struct list_head sem_free_security;
struct list_head sem_associate;
struct list_head sem_semctl;
struct list_head sem_semop;
struct list_head netlink_send;
struct list_head d_instantiate;
struct list_head getprocattr;
struct list_head setprocattr;
struct list_head ismaclabel;
struct list_head secid_to_secctx;
struct list_head secctx_to_secid;
struct list_head release_secctx;
struct list_head inode_notifysecctx;
struct list_head inode_setsecctx;
struct list_head inode_getsecctx;
#ifdef CONFIG_SECURITY_NETWORK
struct list_head unix_stream_connect;
struct list_head unix_may_send;
struct list_head socket_create;
struct list_head socket_post_create;
struct list_head socket_bind;
struct list_head socket_connect;
struct list_head socket_listen;
struct list_head socket_accept;
struct list_head socket_sendmsg;
struct list_head socket_recvmsg;
struct list_head socket_getsockname;
struct list_head socket_getpeername;
struct list_head socket_getsockopt;
struct list_head socket_setsockopt;
struct list_head socket_shutdown;
struct list_head socket_sock_rcv_skb;
struct list_head socket_getpeersec_stream;
struct list_head socket_getpeersec_dgram;
struct list_head sk_alloc_security;
struct list_head sk_free_security;
struct list_head sk_clone_security;
struct list_head sk_getsecid;
struct list_head sock_graft;
struct list_head inet_conn_request;
struct list_head inet_csk_clone;
struct list_head inet_conn_established;
struct list_head secmark_relabel_packet;
struct list_head secmark_refcount_inc;
struct list_head secmark_refcount_dec;
struct list_head req_classify_flow;
struct list_head tun_dev_alloc_security;
struct list_head tun_dev_free_security;
struct list_head tun_dev_create;
struct list_head tun_dev_attach_queue;
struct list_head tun_dev_attach;
struct list_head tun_dev_open;
struct list_head skb_owned_by;
#endif /* CONFIG_SECURITY_NETWORK */
#ifdef CONFIG_SECURITY_NETWORK_XFRM
struct list_head xfrm_policy_alloc_security;
struct list_head xfrm_policy_clone_security;
struct list_head xfrm_policy_free_security;
struct list_head xfrm_policy_delete_security;
struct list_head xfrm_state_alloc;
struct list_head xfrm_state_alloc_acquire;
struct list_head xfrm_state_free_security;
struct list_head xfrm_state_delete_security;
struct list_head xfrm_policy_lookup;
struct list_head xfrm_state_pol_flow_match;
struct list_head xfrm_decode_session;
#endif /* CONFIG_SECURITY_NETWORK_XFRM */
#ifdef CONFIG_KEYS
struct list_head key_alloc;
struct list_head key_free;
struct list_head key_permission;
struct list_head key_getsecurity;
#endif /* CONFIG_KEYS */
#ifdef CONFIG_AUDIT
struct list_head audit_rule_init;
struct list_head audit_rule_known;
struct list_head audit_rule_match;
struct list_head audit_rule_free;
#endif /* CONFIG_AUDIT */
};
/*
* Initializing a security_hook_list structure takes
* up a lot of space in a source file. This macro takes
* care of the common case and reduces the amount of
* text involved.
* Casey says: Comment is true in the next patch.
*/
#define LSM_HOOK_INIT(HEAD, HOOK) .HEAD = HOOK
/* prototypes */
extern int security_module_enable(struct security_operations *ops);
extern int register_security(struct security_operations *ops);