LXR linux/include/linux/lsm_hook

   1/* SPDX-License-Identifier: GPL-2.0 */
   2
   3/*
   4 * Linux Security Module Hook declarations.
   5 *
   6 * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
   7 * Copyright (C) 2001 Greg Kroah-Hartman <greg@kroah.com>
   8 * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
   9 * Copyright (C) 2001 James Morris <jmorris@intercode.com.au>
  10 * Copyright (C) 2001 Silicon Graphics, Inc. (Trust Technology Group)
  11 * Copyright (C) 2015 Intel Corporation.
  12 * Copyright (C) 2015 Casey Schaufler <casey@schaufler-ca.com>
  13 * Copyright (C) 2016 Mellanox Techonologies
  14 * Copyright (C) 2020 Google LLC.
  15 */
  16
  17/*
  18 * The macro LSM_HOOK is used to define the data structures required by
  19 * the LSM framework using the pattern:
  20 *
  21 *      LSM_HOOK(<return_type>, <default_value>, <hook_name>, args...)
  22 *
  23 * struct security_hook_heads {
  24 *   #define LSM_HOOK(RET, DEFAULT, NAME, ...) struct hlist_head NAME;
  25 *   #include <linux/lsm_hook_defs.h>
  26 *   #undef LSM_HOOK
  27 * };
  28 */
  29LSM_HOOK(int, 0, binder_set_context_mgr, struct task_struct *mgr)
  30LSM_HOOK(int, 0, binder_transaction, struct task_struct *from,
  31         struct task_struct *to)
  32LSM_HOOK(int, 0, binder_transfer_binder, struct task_struct *from,
  33         struct task_struct *to)
  34LSM_HOOK(int, 0, binder_transfer_file, struct task_struct *from,
  35         struct task_struct *to, struct file *file)
  36LSM_HOOK(int, 0, ptrace_access_check, struct task_struct *child,
  37         unsigned int mode)
  38LSM_HOOK(int, 0, ptrace_traceme, struct task_struct *parent)
  39LSM_HOOK(int, 0, capget, struct task_struct *target, kernel_cap_t *effective,
  40         kernel_cap_t *inheritable, kernel_cap_t *permitted)
  41LSM_HOOK(int, 0, capset, struct cred *new, const struct cred *old,
  42         const kernel_cap_t *effective, const kernel_cap_t *inheritable,
  43         const kernel_cap_t *permitted)
  44LSM_HOOK(int, 0, capable, const struct cred *cred, struct user_namespace *ns,
  45         int cap, unsigned int opts)
  46LSM_HOOK(int, 0, quotactl, int cmds, int type, int id, struct super_block *sb)
  47LSM_HOOK(int, 0, quota_on, struct dentry *dentry)
  48LSM_HOOK(int, 0, syslog, int type)
  49LSM_HOOK(int, 0, settime, const struct timespec64 *ts,
  50         const struct timezone *tz)
  51LSM_HOOK(int, 0, vm_enough_memory, struct mm_struct *mm, long pages)
  52LSM_HOOK(int, 0, bprm_creds_for_exec, struct linux_binprm *bprm)
  53LSM_HOOK(int, 0, bprm_creds_from_file, struct linux_binprm *bprm, struct file *file)
  54LSM_HOOK(int, 0, bprm_check_security, struct linux_binprm *bprm)
  55LSM_HOOK(void, LSM_RET_VOID, bprm_committing_creds, struct linux_binprm *bprm)
  56LSM_HOOK(void, LSM_RET_VOID, bprm_committed_creds, struct linux_binprm *bprm)
  57LSM_HOOK(int, 0, fs_context_dup, struct fs_context *fc,
  58         struct fs_context *src_sc)
  59LSM_HOOK(int, -ENOPARAM, fs_context_parse_param, struct fs_context *fc,
  60         struct fs_parameter *param)
  61LSM_HOOK(int, 0, sb_alloc_security, struct super_block *sb)
  62LSM_HOOK(void, LSM_RET_VOID, sb_delete, struct super_block *sb)
  63LSM_HOOK(void, LSM_RET_VOID, sb_free_security, struct super_block *sb)
  64LSM_HOOK(void, LSM_RET_VOID, sb_free_mnt_opts, void *mnt_opts)
  65LSM_HOOK(int, 0, sb_eat_lsm_opts, char *orig, void **mnt_opts)
  66LSM_HOOK(int, 0, sb_mnt_opts_compat, struct super_block *sb, void *mnt_opts)
  67LSM_HOOK(int, 0, sb_remount, struct super_block *sb, void *mnt_opts)
  68LSM_HOOK(int, 0, sb_kern_mount, struct super_block *sb)
  69LSM_HOOK(int, 0, sb_show_options, struct seq_file *m, struct super_block *sb)
  70LSM_HOOK(int, 0, sb_statfs, struct dentry *dentry)
  71LSM_HOOK(int, 0, sb_mount, const char *dev_name, const struct path *path,
  72         const char *type, unsigned long flags, void *data)
  73LSM_HOOK(int, 0, sb_umount, struct vfsmount *mnt, int flags)
  74LSM_HOOK(int, 0, sb_pivotroot, const struct path *old_path,
  75         const struct path *new_path)
  76LSM_HOOK(int, 0, sb_set_mnt_opts, struct super_block *sb, void *mnt_opts,
  77         unsigned long kern_flags, unsigned long *set_kern_flags)
  78LSM_HOOK(int, 0, sb_clone_mnt_opts, const struct super_block *oldsb,
  79         struct super_block *newsb, unsigned long kern_flags,
  80         unsigned long *set_kern_flags)
  81LSM_HOOK(int, 0, sb_add_mnt_opt, const char *option, const char *val,
  82         int len, void **mnt_opts)
  83LSM_HOOK(int, 0, move_mount, const struct path *from_path,
  84         const struct path *to_path)
  85LSM_HOOK(int, 0, dentry_init_security, struct dentry *dentry,
  86         int mode, const struct qstr *name, void **ctx, u32 *ctxlen)
  87LSM_HOOK(int, 0, dentry_create_files_as, struct dentry *dentry, int mode,
  88         struct qstr *name, const struct cred *old, struct cred *new)
  89
  90#ifdef CONFIG_SECURITY_PATH
  91LSM_HOOK(int, 0, path_unlink, const struct path *dir, struct dentry *dentry)
  92LSM_HOOK(int, 0, path_mkdir, const struct path *dir, struct dentry *dentry,
  93         umode_t mode)
  94LSM_HOOK(int, 0, path_rmdir, const struct path *dir, struct dentry *dentry)
  95LSM_HOOK(int, 0, path_mknod, const struct path *dir, struct dentry *dentry,
  96         umode_t mode, unsigned int dev)
  97LSM_HOOK(int, 0, path_truncate, const struct path *path)
  98LSM_HOOK(int, 0, path_symlink, const struct path *dir, struct dentry *dentry,
  99         const char *old_name)
 100LSM_HOOK(int, 0, path_link, struct dentry *old_dentry,
 101         const struct path *new_dir, struct dentry *new_dentry)
 102LSM_HOOK(int, 0, path_rename, const struct path *old_dir,
 103         struct dentry *old_dentry, const struct path *new_dir,
 104         struct dentry *new_dentry)
 105LSM_HOOK(int, 0, path_chmod, const struct path *path, umode_t mode)
 106LSM_HOOK(int, 0, path_chown, const struct path *path, kuid_t uid, kgid_t gid)
 107LSM_HOOK(int, 0, path_chroot, const struct path *path)
 108#endif /* CONFIG_SECURITY_PATH */
 109
 110/* Needed for inode based security check */
 111LSM_HOOK(int, 0, path_notify, const struct path *path, u64 mask,
 112         unsigned int obj_type)
 113LSM_HOOK(int, 0, inode_alloc_security, struct inode *inode)
 114LSM_HOOK(void, LSM_RET_VOID, inode_free_security, struct inode *inode)
 115LSM_HOOK(int, 0, inode_init_security, struct inode *inode,
 116         struct inode *dir, const struct qstr *qstr, const char **name,
 117         void **value, size_t *len)
 118LSM_HOOK(int, 0, inode_init_security_anon, struct inode *inode,
 119         const struct qstr *name, const struct inode *context_inode)
 120LSM_HOOK(int, 0, inode_create, struct inode *dir, struct dentry *dentry,
 121         umode_t mode)
 122LSM_HOOK(int, 0, inode_link, struct dentry *old_dentry, struct inode *dir,
 123         struct dentry *new_dentry)
 124LSM_HOOK(int, 0, inode_unlink, struct inode *dir, struct dentry *dentry)
 125LSM_HOOK(int, 0, inode_symlink, struct inode *dir, struct dentry *dentry,
 126         const char *old_name)
 127LSM_HOOK(int, 0, inode_mkdir, struct inode *dir, struct dentry *dentry,
 128         umode_t mode)
 129LSM_HOOK(int, 0, inode_rmdir, struct inode *dir, struct dentry *dentry)
 130LSM_HOOK(int, 0, inode_mknod, struct inode *dir, struct dentry *dentry,
 131         umode_t mode, dev_t dev)
 132LSM_HOOK(int, 0, inode_rename, struct inode *old_dir, struct dentry *old_dentry,
 133         struct inode *new_dir, struct dentry *new_dentry)
 134LSM_HOOK(int, 0, inode_readlink, struct dentry *dentry)
 135LSM_HOOK(int, 0, inode_follow_link, struct dentry *dentry, struct inode *inode,
 136         bool rcu)
 137LSM_HOOK(int, 0, inode_permission, struct inode *inode, int mask)
 138LSM_HOOK(int, 0, inode_setattr, struct dentry *dentry, struct iattr *attr)
 139LSM_HOOK(int, 0, inode_getattr, const struct path *path)
 140LSM_HOOK(int, 0, inode_setxattr, struct user_namespace *mnt_userns,
 141         struct dentry *dentry, const char *name, const void *value,
 142         size_t size, int flags)
 143LSM_HOOK(void, LSM_RET_VOID, inode_post_setxattr, struct dentry *dentry,
 144         const char *name, const void *value, size_t size, int flags)
 145LSM_HOOK(int, 0, inode_getxattr, struct dentry *dentry, const char *name)
 146LSM_HOOK(int, 0, inode_listxattr, struct dentry *dentry)
 147LSM_HOOK(int, 0, inode_removexattr, struct user_namespace *mnt_userns,
 148         struct dentry *dentry, const char *name)
 149LSM_HOOK(int, 0, inode_need_killpriv, struct dentry *dentry)
 150LSM_HOOK(int, 0, inode_killpriv, struct user_namespace *mnt_userns,
 151         struct dentry *dentry)
 152LSM_HOOK(int, -EOPNOTSUPP, inode_getsecurity, struct user_namespace *mnt_userns,
 153         struct inode *inode, const char *name, void **buffer, bool alloc)
 154LSM_HOOK(int, -EOPNOTSUPP, inode_setsecurity, struct inode *inode,
 155         const char *name, const void *value, size_t size, int flags)
 156LSM_HOOK(int, 0, inode_listsecurity, struct inode *inode, char *buffer,
 157         size_t buffer_size)
 158LSM_HOOK(void, LSM_RET_VOID, inode_getsecid, struct inode *inode, u32 *secid)
 159LSM_HOOK(int, 0, inode_copy_up, struct dentry *src, struct cred **new)
 160LSM_HOOK(int, -EOPNOTSUPP, inode_copy_up_xattr, const char *name)
 161LSM_HOOK(int, 0, kernfs_init_security, struct kernfs_node *kn_dir,
 162         struct kernfs_node *kn)
 163LSM_HOOK(int, 0, file_permission, struct file *file, int mask)
 164LSM_HOOK(int, 0, file_alloc_security, struct file *file)
 165LSM_HOOK(void, LSM_RET_VOID, file_free_security, struct file *file)
 166LSM_HOOK(int, 0, file_ioctl, struct file *file, unsigned int cmd,
 167         unsigned long arg)
 168LSM_HOOK(int, 0, mmap_addr, unsigned long addr)
 169LSM_HOOK(int, 0, mmap_file, struct file *file, unsigned long reqprot,
 170         unsigned long prot, unsigned long flags)
 171LSM_HOOK(int, 0, file_mprotect, struct vm_area_struct *vma,
 172         unsigned long reqprot, unsigned long prot)
 173LSM_HOOK(int, 0, file_lock, struct file *file, unsigned int cmd)
 174LSM_HOOK(int, 0, file_fcntl, struct file *file, unsigned int cmd,
 175         unsigned long arg)
 176LSM_HOOK(void, LSM_RET_VOID, file_set_fowner, struct file *file)
 177LSM_HOOK(int, 0, file_send_sigiotask, struct task_struct *tsk,
 178         struct fown_struct *fown, int sig)
 179LSM_HOOK(int, 0, file_receive, struct file *file)
 180LSM_HOOK(int, 0, file_open, struct file *file)
 181LSM_HOOK(int, 0, task_alloc, struct task_struct *task,
 182         unsigned long clone_flags)
 183LSM_HOOK(void, LSM_RET_VOID, task_free, struct task_struct *task)
 184LSM_HOOK(int, 0, cred_alloc_blank, struct cred *cred, gfp_t gfp)
 185LSM_HOOK(void, LSM_RET_VOID, cred_free, struct cred *cred)
 186LSM_HOOK(int, 0, cred_prepare, struct cred *new, const struct cred *old,
 187         gfp_t gfp)
 188LSM_HOOK(void, LSM_RET_VOID, cred_transfer, struct cred *new,
 189         const struct cred *old)
 190LSM_HOOK(void, LSM_RET_VOID, cred_getsecid, const struct cred *c, u32 *secid)
 191LSM_HOOK(int, 0, kernel_act_as, struct cred *new, u32 secid)
 192LSM_HOOK(int, 0, kernel_create_files_as, struct cred *new, struct inode *inode)
 193LSM_HOOK(int, 0, kernel_module_request, char *kmod_name)
 194LSM_HOOK(int, 0, kernel_load_data, enum kernel_load_data_id id, bool contents)
 195LSM_HOOK(int, 0, kernel_post_load_data, char *buf, loff_t size,
 196         enum kernel_load_data_id id, char *description)
 197LSM_HOOK(int, 0, kernel_read_file, struct file *file,
 198         enum kernel_read_file_id id, bool contents)
 199LSM_HOOK(int, 0, kernel_post_read_file, struct file *file, char *buf,
 200         loff_t size, enum kernel_read_file_id id)
 201LSM_HOOK(int, 0, task_fix_setuid, struct cred *new, const struct cred *old,
 202         int flags)
 203LSM_HOOK(int, 0, task_fix_setgid, struct cred *new, const struct cred * old,
 204         int flags)
 205LSM_HOOK(int, 0, task_setpgid, struct task_struct *p, pid_t pgid)
 206LSM_HOOK(int, 0, task_getpgid, struct task_struct *p)
 207LSM_HOOK(int, 0, task_getsid, struct task_struct *p)
 208LSM_HOOK(void, LSM_RET_VOID, task_getsecid_subj,
 209         struct task_struct *p, u32 *secid)
 210LSM_HOOK(void, LSM_RET_VOID, task_getsecid_obj,
 211         struct task_struct *p, u32 *secid)
 212LSM_HOOK(int, 0, task_setnice, struct task_struct *p, int nice)
 213LSM_HOOK(int, 0, task_setioprio, struct task_struct *p, int ioprio)
 214LSM_HOOK(int, 0, task_getioprio, struct task_struct *p)
 215LSM_HOOK(int, 0, task_prlimit, const struct cred *cred,
 216         const struct cred *tcred, unsigned int flags)
 217LSM_HOOK(int, 0, task_setrlimit, struct task_struct *p, unsigned int resource,
 218         struct rlimit *new_rlim)
 219LSM_HOOK(int, 0, task_setscheduler, struct task_struct *p)
 220LSM_HOOK(int, 0, task_getscheduler, struct task_struct *p)
 221LSM_HOOK(int, 0, task_movememory, struct task_struct *p)
 222LSM_HOOK(int, 0, task_kill, struct task_struct *p, struct kernel_siginfo *info,
 223         int sig, const struct cred *cred)
 224LSM_HOOK(int, -ENOSYS, task_prctl, int option, unsigned long arg2,
 225         unsigned long arg3, unsigned long arg4, unsigned long arg5)
 226LSM_HOOK(void, LSM_RET_VOID, task_to_inode, struct task_struct *p,
 227         struct inode *inode)
 228LSM_HOOK(int, 0, ipc_permission, struct kern_ipc_perm *ipcp, short flag)
 229LSM_HOOK(void, LSM_RET_VOID, ipc_getsecid, struct kern_ipc_perm *ipcp,
 230         u32 *secid)
 231LSM_HOOK(int, 0, msg_msg_alloc_security, struct msg_msg *msg)
 232LSM_HOOK(void, LSM_RET_VOID, msg_msg_free_security, struct msg_msg *msg)
 233LSM_HOOK(int, 0, msg_queue_alloc_security, struct kern_ipc_perm *perm)
 234LSM_HOOK(void, LSM_RET_VOID, msg_queue_free_security,
 235         struct kern_ipc_perm *perm)
 236LSM_HOOK(int, 0, msg_queue_associate, struct kern_ipc_perm *perm, int msqflg)
 237LSM_HOOK(int, 0, msg_queue_msgctl, struct kern_ipc_perm *perm, int cmd)
 238LSM_HOOK(int, 0, msg_queue_msgsnd, struct kern_ipc_perm *perm,
 239         struct msg_msg *msg, int msqflg)
 240LSM_HOOK(int, 0, msg_queue_msgrcv, struct kern_ipc_perm *perm,
 241         struct msg_msg *msg, struct task_struct *target, long type, int mode)
 242LSM_HOOK(int, 0, shm_alloc_security, struct kern_ipc_perm *perm)
 243LSM_HOOK(void, LSM_RET_VOID, shm_free_security, struct kern_ipc_perm *perm)
 244LSM_HOOK(int, 0, shm_associate, struct kern_ipc_perm *perm, int shmflg)
 245LSM_HOOK(int, 0, shm_shmctl, struct kern_ipc_perm *perm, int cmd)
 246LSM_HOOK(int, 0, shm_shmat, struct kern_ipc_perm *perm, char __user *shmaddr,
 247         int shmflg)
 248LSM_HOOK(int, 0, sem_alloc_security, struct kern_ipc_perm *perm)
 249LSM_HOOK(void, LSM_RET_VOID, sem_free_security, struct kern_ipc_perm *perm)
 250LSM_HOOK(int, 0, sem_associate, struct kern_ipc_perm *perm, int semflg)
 251LSM_HOOK(int, 0, sem_semctl, struct kern_ipc_perm *perm, int cmd)
 252LSM_HOOK(int, 0, sem_semop, struct kern_ipc_perm *perm, struct sembuf *sops,
 253         unsigned nsops, int alter)
 254LSM_HOOK(int, 0, netlink_send, struct sock *sk, struct sk_buff *skb)
 255LSM_HOOK(void, LSM_RET_VOID, d_instantiate, struct dentry *dentry,
 256         struct inode *inode)
 257LSM_HOOK(int, -EINVAL, getprocattr, struct task_struct *p, char *name,
 258         char **value)
 259LSM_HOOK(int, -EINVAL, setprocattr, const char *name, void *value, size_t size)
 260LSM_HOOK(int, 0, ismaclabel, const char *name)
 261LSM_HOOK(int, -EOPNOTSUPP, secid_to_secctx, u32 secid, char **secdata,
 262         u32 *seclen)
 263LSM_HOOK(int, 0, secctx_to_secid, const char *secdata, u32 seclen, u32 *secid)
 264LSM_HOOK(void, LSM_RET_VOID, release_secctx, char *secdata, u32 seclen)
 265LSM_HOOK(void, LSM_RET_VOID, inode_invalidate_secctx, struct inode *inode)
 266LSM_HOOK(int, 0, inode_notifysecctx, struct inode *inode, void *ctx, u32 ctxlen)
 267LSM_HOOK(int, 0, inode_setsecctx, struct dentry *dentry, void *ctx, u32 ctxlen)
 268LSM_HOOK(int, 0, inode_getsecctx, struct inode *inode, void **ctx,
 269         u32 *ctxlen)
 270
 271#if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE)
 272LSM_HOOK(int, 0, post_notification, const struct cred *w_cred,
 273         const struct cred *cred, struct watch_notification *n)
 274#endif /* CONFIG_SECURITY && CONFIG_WATCH_QUEUE */
 275
 276#if defined(CONFIG_SECURITY) && defined(CONFIG_KEY_NOTIFICATIONS)
 277LSM_HOOK(int, 0, watch_key, struct key *key)
 278#endif /* CONFIG_SECURITY && CONFIG_KEY_NOTIFICATIONS */
 279
 280#ifdef CONFIG_SECURITY_NETWORK
 281LSM_HOOK(int, 0, unix_stream_connect, struct sock *sock, struct sock *other,
 282         struct sock *newsk)
 283LSM_HOOK(int, 0, unix_may_send, struct socket *sock, struct socket *other)
 284LSM_HOOK(int, 0, socket_create, int family, int type, int protocol, int kern)
 285LSM_HOOK(int, 0, socket_post_create, struct socket *sock, int family, int type,
 286         int protocol, int kern)
 287LSM_HOOK(int, 0, socket_socketpair, struct socket *socka, struct socket *sockb)
 288LSM_HOOK(int, 0, socket_bind, struct socket *sock, struct sockaddr *address,
 289         int addrlen)
 290LSM_HOOK(int, 0, socket_connect, struct socket *sock, struct sockaddr *address,
 291         int addrlen)
 292LSM_HOOK(int, 0, socket_listen, struct socket *sock, int backlog)
 293LSM_HOOK(int, 0, socket_accept, struct socket *sock, struct socket *newsock)
 294LSM_HOOK(int, 0, socket_sendmsg, struct socket *sock, struct msghdr *msg,
 295         int size)
 296LSM_HOOK(int, 0, socket_recvmsg, struct socket *sock, struct msghdr *msg,
 297         int size, int flags)
 298LSM_HOOK(int, 0, socket_getsockname, struct socket *sock)
 299LSM_HOOK(int, 0, socket_getpeername, struct socket *sock)
 300LSM_HOOK(int, 0, socket_getsockopt, struct socket *sock, int level, int optname)
 301LSM_HOOK(int, 0, socket_setsockopt, struct socket *sock, int level, int optname)
 302LSM_HOOK(int, 0, socket_shutdown, struct socket *sock, int how)
 303LSM_HOOK(int, 0, socket_sock_rcv_skb, struct sock *sk, struct sk_buff *skb)
 304LSM_HOOK(int, 0, socket_getpeersec_stream, struct socket *sock,
 305         char __user *optval, int __user *optlen, unsigned len)
 306LSM_HOOK(int, 0, socket_getpeersec_dgram, struct socket *sock,
 307         struct sk_buff *skb, u32 *secid)
 308LSM_HOOK(int, 0, sk_alloc_security, struct sock *sk, int family, gfp_t priority)
 309LSM_HOOK(void, LSM_RET_VOID, sk_free_security, struct sock *sk)
 310LSM_HOOK(void, LSM_RET_VOID, sk_clone_security, const struct sock *sk,
 311         struct sock *newsk)
 312LSM_HOOK(void, LSM_RET_VOID, sk_getsecid, struct sock *sk, u32 *secid)
 313LSM_HOOK(void, LSM_RET_VOID, sock_graft, struct sock *sk, struct socket *parent)
 314LSM_HOOK(int, 0, inet_conn_request, const struct sock *sk, struct sk_buff *skb,
 315         struct request_sock *req)
 316LSM_HOOK(void, LSM_RET_VOID, inet_csk_clone, struct sock *newsk,
 317         const struct request_sock *req)
 318LSM_HOOK(void, LSM_RET_VOID, inet_conn_established, struct sock *sk,
 319         struct sk_buff *skb)
 320LSM_HOOK(int, 0, secmark_relabel_packet, u32 secid)
 321LSM_HOOK(void, LSM_RET_VOID, secmark_refcount_inc, void)
 322LSM_HOOK(void, LSM_RET_VOID, secmark_refcount_dec, void)
 323LSM_HOOK(void, LSM_RET_VOID, req_classify_flow, const struct request_sock *req,
 324         struct flowi_common *flic)
 325LSM_HOOK(int, 0, tun_dev_alloc_security, void **security)
 326LSM_HOOK(void, LSM_RET_VOID, tun_dev_free_security, void *security)
 327LSM_HOOK(int, 0, tun_dev_create, void)
 328LSM_HOOK(int, 0, tun_dev_attach_queue, void *security)
 329LSM_HOOK(int, 0, tun_dev_attach, struct sock *sk, void *security)
 330LSM_HOOK(int, 0, tun_dev_open, void *security)
 331LSM_HOOK(int, 0, sctp_assoc_request, struct sctp_endpoint *ep,
 332         struct sk_buff *skb)
 333LSM_HOOK(int, 0, sctp_bind_connect, struct sock *sk, int optname,
 334         struct sockaddr *address, int addrlen)
 335LSM_HOOK(void, LSM_RET_VOID, sctp_sk_clone, struct sctp_endpoint *ep,
 336         struct sock *sk, struct sock *newsk)
 337#endif /* CONFIG_SECURITY_NETWORK */
 338
 339#ifdef CONFIG_SECURITY_INFINIBAND
 340LSM_HOOK(int, 0, ib_pkey_access, void *sec, u64 subnet_prefix, u16 pkey)
 341LSM_HOOK(int, 0, ib_endport_manage_subnet, void *sec, const char *dev_name,
 342         u8 port_num)
 343LSM_HOOK(int, 0, ib_alloc_security, void **sec)
 344LSM_HOOK(void, LSM_RET_VOID, ib_free_security, void *sec)
 345#endif /* CONFIG_SECURITY_INFINIBAND */
 346
 347#ifdef CONFIG_SECURITY_NETWORK_XFRM
 348LSM_HOOK(int, 0, xfrm_policy_alloc_security, struct xfrm_sec_ctx **ctxp,
 349         struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp)
 350LSM_HOOK(int, 0, xfrm_policy_clone_security, struct xfrm_sec_ctx *old_ctx,
 351         struct xfrm_sec_ctx **new_ctx)
 352LSM_HOOK(void, LSM_RET_VOID, xfrm_policy_free_security,
 353         struct xfrm_sec_ctx *ctx)
 354LSM_HOOK(int, 0, xfrm_policy_delete_security, struct xfrm_sec_ctx *ctx)
 355LSM_HOOK(int, 0, xfrm_state_alloc, struct xfrm_state *x,
 356         struct xfrm_user_sec_ctx *sec_ctx)
 357LSM_HOOK(int, 0, xfrm_state_alloc_acquire, struct xfrm_state *x,
 358         struct xfrm_sec_ctx *polsec, u32 secid)
 359LSM_HOOK(void, LSM_RET_VOID, xfrm_state_free_security, struct xfrm_state *x)
 360LSM_HOOK(int, 0, xfrm_state_delete_security, struct xfrm_state *x)
 361LSM_HOOK(int, 0, xfrm_policy_lookup, struct xfrm_sec_ctx *ctx, u32 fl_secid)
 362LSM_HOOK(int, 1, xfrm_state_pol_flow_match, struct xfrm_state *x,
 363         struct xfrm_policy *xp, const struct flowi_common *flic)
 364LSM_HOOK(int, 0, xfrm_decode_session, struct sk_buff *skb, u32 *secid,
 365         int ckall)
 366#endif /* CONFIG_SECURITY_NETWORK_XFRM */
 367
 368/* key management security hooks */
 369#ifdef CONFIG_KEYS
 370LSM_HOOK(int, 0, key_alloc, struct key *key, const struct cred *cred,
 371         unsigned long flags)
 372LSM_HOOK(void, LSM_RET_VOID, key_free, struct key *key)
 373LSM_HOOK(int, 0, key_permission, key_ref_t key_ref, const struct cred *cred,
 374         enum key_need_perm need_perm)
 375LSM_HOOK(int, 0, key_getsecurity, struct key *key, char **_buffer)
 376#endif /* CONFIG_KEYS */
 377
 378#ifdef CONFIG_AUDIT
 379LSM_HOOK(int, 0, audit_rule_init, u32 field, u32 op, char *rulestr,
 380         void **lsmrule)
 381LSM_HOOK(int, 0, audit_rule_known, struct audit_krule *krule)
 382LSM_HOOK(int, 0, audit_rule_match, u32 secid, u32 field, u32 op, void *lsmrule)
 383LSM_HOOK(void, LSM_RET_VOID, audit_rule_free, void *lsmrule)
 384#endif /* CONFIG_AUDIT */
 385
 386#ifdef CONFIG_BPF_SYSCALL
 387LSM_HOOK(int, 0, bpf, int cmd, union bpf_attr *attr, unsigned int size)
 388LSM_HOOK(int, 0, bpf_map, struct bpf_map *map, fmode_t fmode)
 389LSM_HOOK(int, 0, bpf_prog, struct bpf_prog *prog)
 390LSM_HOOK(int, 0, bpf_map_alloc_security, struct bpf_map *map)
 391LSM_HOOK(void, LSM_RET_VOID, bpf_map_free_security, struct bpf_map *map)
 392LSM_HOOK(int, 0, bpf_prog_alloc_security, struct bpf_prog_aux *aux)
 393LSM_HOOK(void, LSM_RET_VOID, bpf_prog_free_security, struct bpf_prog_aux *aux)
 394#endif /* CONFIG_BPF_SYSCALL */
 395
 396LSM_HOOK(int, 0, locked_down, enum lockdown_reason what)
 397
 398#ifdef CONFIG_PERF_EVENTS
 399LSM_HOOK(int, 0, perf_event_open, struct perf_event_attr *attr, int type)
 400LSM_HOOK(int, 0, perf_event_alloc, struct perf_event *event)
 401LSM_HOOK(void, LSM_RET_VOID, perf_event_free, struct perf_event *event)
 402LSM_HOOK(int, 0, perf_event_read, struct perf_event *event)
 403LSM_HOOK(int, 0, perf_event_write, struct perf_event *event)
 404#endif /* CONFIG_PERF_EVENTS */
 405