include/linux/security.h

   1 /*
   2  * Linux Security plug
   3  *
   4  * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
   5  * Copyright (C) 2001 Greg Kroah-Hartman <greg@kroah.com>
   6  * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
   7  * Copyright (C) 2001 James Morris <jmorris@intercode.com.au>
   8  * Copyright (C) 2001 Silicon Graphics, Inc. (Trust Technology Group)
   9  * Copyright (C) 2016 Mellanox Techonologies
  10  *
  11  *      This program is free software; you can redistribute it and/or modify
  12  *      it under the terms of the GNU General Public License as published by
  13  *      the Free Software Foundation; either version 2 of the License, or
  14  *      (at your option) any later version.
  15  *
  16  *      Due to this file being licensed under the GPL there is controversy over
  17  *      whether this permits you to write a module that #includes this file
  18  *      without placing your module under the GPL.  Please consult a lawyer for
  19  *      advice before doing this.
  20  *
  21  */
  22
  23 #ifndef __LINUX_SECURITY_H
  24 #define __LINUX_SECURITY_H
  25
  26 #include <linux/kernel_read_file.h>
  27 #include <linux/key.h>
  28 #include <linux/capability.h>
  29 #include <linux/fs.h>
  30 #include <linux/slab.h>
  31 #include <linux/err.h>
  32 #include <linux/string.h>
  33 #include <linux/mm.h>
  34 #include <linux/sockptr.h>
  35 #include <linux/bpf.h>
  36 #include <uapi/linux/lsm.h>
  37 #include <linux/lsm/selinux.h>
  38 #include <linux/lsm/smack.h>
  39 #include <linux/lsm/apparmor.h>
  40 #include <linux/lsm/bpf.h>
  41
  42 struct linux_binprm;
  43 struct cred;
  44 struct rlimit;
  45 struct kernel_siginfo;
  46 struct sembuf;
  47 struct kern_ipc_perm;
  48 struct audit_context;
  49 struct super_block;
  50 struct inode;
  51 struct dentry;
  52 struct file;
  53 struct vfsmount;
  54 struct path;
  55 struct qstr;
  56 struct iattr;
  57 struct fown_struct;
  58 struct file_operations;
  59 struct msg_msg;
  60 struct xattr;
  61 struct kernfs_node;
  62 struct xfrm_sec_ctx;
  63 struct mm_struct;
  64 struct fs_context;
  65 struct fs_parameter;
  66 enum fs_value_type;
  67 struct watch;
  68 struct watch_notification;
  69 struct lsm_ctx;
  70
  71 /* Default (no) options for the capable function */
  72 #define CAP_OPT_NONE 0x0
  73 /* If capable should audit the security request */
  74 #define CAP_OPT_NOAUDIT BIT(1)
  75 /* If capable is being called by a setid function */
  76 #define CAP_OPT_INSETID BIT(2)
  77
  78 /* LSM Agnostic defines for security_sb_set_mnt_opts() flags */
  79 #define SECURITY_LSM_NATIVE_LABELS      1
  80
  81 struct ctl_table;
  82 struct audit_krule;
  83 struct user_namespace;
  84 struct timezone;
  85
  86 enum lsm_event {
  87         LSM_POLICY_CHANGE,
  88 };
  89
  90 struct dm_verity_digest {
  91         const char *alg;
  92         const u8 *digest;
  93         size_t digest_len;
  94 };
  95
  96 enum lsm_integrity_type {
  97         LSM_INT_DMVERITY_SIG_VALID,
  98         LSM_INT_DMVERITY_ROOTHASH,
  99         LSM_INT_FSVERITY_BUILTINSIG_VALID,
 100 };
 101
 102 /*
 103  * These are reasons that can be passed to the security_locked_down()
 104  * LSM hook. Lockdown reasons that protect kernel integrity (ie, the
 105  * ability for userland to modify kernel code) are placed before
 106  * LOCKDOWN_INTEGRITY_MAX.  Lockdown reasons that protect kernel
 107  * confidentiality (ie, the ability for userland to extract
 108  * information from the running kernel that would otherwise be
 109  * restricted) are placed before LOCKDOWN_CONFIDENTIALITY_MAX.
 110  *
 111  * LSM authors should note that the semantics of any given lockdown
 112  * reason are not guaranteed to be stable - the same reason may block
 113  * one set of features in one kernel release, and a slightly different
 114  * set of features in a later kernel release. LSMs that seek to expose
 115  * lockdown policy at any level of granularity other than "none",
 116  * "integrity" or "confidentiality" are responsible for either
 117  * ensuring that they expose a consistent level of functionality to
 118  * userland, or ensuring that userland is aware that this is
 119  * potentially a moving target. It is easy to misuse this information
 120  * in a way that could break userspace. Please be careful not to do
 121  * so.
 122  *
 123  * If you add to this, remember to extend lockdown_reasons in
 124  * security/lockdown/lockdown.c.
 125  */
 126 enum lockdown_reason {
 127         LOCKDOWN_NONE,
 128         LOCKDOWN_MODULE_SIGNATURE,
 129         LOCKDOWN_DEV_MEM,
 130         LOCKDOWN_EFI_TEST,
 131         LOCKDOWN_KEXEC,
 132         LOCKDOWN_HIBERNATION,
 133         LOCKDOWN_PCI_ACCESS,
 134         LOCKDOWN_IOPORT,
 135         LOCKDOWN_MSR,
 136         LOCKDOWN_ACPI_TABLES,
 137         LOCKDOWN_DEVICE_TREE,
 138         LOCKDOWN_PCMCIA_CIS,
 139         LOCKDOWN_TIOCSSERIAL,
 140         LOCKDOWN_MODULE_PARAMETERS,
 141         LOCKDOWN_MMIOTRACE,
 142         LOCKDOWN_DEBUGFS,
 143         LOCKDOWN_XMON_WR,
 144         LOCKDOWN_BPF_WRITE_USER,
 145         LOCKDOWN_DBG_WRITE_KERNEL,
 146         LOCKDOWN_RTAS_ERROR_INJECTION,
 147         LOCKDOWN_INTEGRITY_MAX,
 148         LOCKDOWN_KCORE,
 149         LOCKDOWN_KPROBES,
 150         LOCKDOWN_BPF_READ_KERNEL,
 151         LOCKDOWN_DBG_READ_KERNEL,
 152         LOCKDOWN_PERF,
 153         LOCKDOWN_TRACEFS,
 154         LOCKDOWN_XMON_RW,
 155         LOCKDOWN_XFRM_SECRET,
 156         LOCKDOWN_CONFIDENTIALITY_MAX,
 157 };
 158
 159 /*
 160  * Data exported by the security modules
 161  */
 162 struct lsm_prop {
 163         struct lsm_prop_selinux selinux;
 164         struct lsm_prop_smack smack;
 165         struct lsm_prop_apparmor apparmor;
 166         struct lsm_prop_bpf bpf;
 167 };
 168
 169 extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1];
 170 extern u32 lsm_active_cnt;
 171 extern const struct lsm_id *lsm_idlist[];
 172
 173 /* These functions are in security/commoncap.c */
 174 extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
 175                        int cap, unsigned int opts);
 176 extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
 177 extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
 178 extern int cap_ptrace_traceme(struct task_struct *parent);
 179 extern int cap_capget(const struct task_struct *target, kernel_cap_t *effective,
 180                       kernel_cap_t *inheritable, kernel_cap_t *permitted);
 181 extern int cap_capset(struct cred *new, const struct cred *old,
 182                       const kernel_cap_t *effective,
 183                       const kernel_cap_t *inheritable,
 184                       const kernel_cap_t *permitted);
 185 extern int cap_bprm_creds_from_file(struct linux_binprm *bprm, const struct file *file);
 186 int cap_inode_setxattr(struct dentry *dentry, const char *name,
 187                        const void *value, size_t size, int flags);
 188 int cap_inode_removexattr(struct mnt_idmap *idmap,
 189                           struct dentry *dentry, const char *name);
 190 int cap_inode_need_killpriv(struct dentry *dentry);
 191 int cap_inode_killpriv(struct mnt_idmap *idmap, struct dentry *dentry);
 192 int cap_inode_getsecurity(struct mnt_idmap *idmap,
 193                           struct inode *inode, const char *name, void **buffer,
 194                           bool alloc);
 195 extern int cap_mmap_addr(unsigned long addr);
 196 extern int cap_mmap_file(struct file *file, unsigned long reqprot,
 197                          unsigned long prot, unsigned long flags);
 198 extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
 199 extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
 200                           unsigned long arg4, unsigned long arg5);
 201 extern int cap_task_setscheduler(struct task_struct *p);
 202 extern int cap_task_setioprio(struct task_struct *p, int ioprio);
 203 extern int cap_task_setnice(struct task_struct *p, int nice);
 204 extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
 205
 206 struct msghdr;
 207 struct sk_buff;
 208 struct sock;
 209 struct sockaddr;
 210 struct socket;
 211 struct flowi_common;
 212 struct dst_entry;
 213 struct xfrm_selector;
 214 struct xfrm_policy;
 215 struct xfrm_state;
 216 struct xfrm_user_sec_ctx;
 217 struct seq_file;
 218 struct sctp_association;
 219
 220 #ifdef CONFIG_MMU
 221 extern unsigned long mmap_min_addr;
 222 extern unsigned long dac_mmap_min_addr;
 223 #else
 224 #define mmap_min_addr           0UL
 225 #define dac_mmap_min_addr       0UL
 226 #endif
 227
 228 /*
 229  * A "security context" is the text representation of
 230  * the information used by LSMs.
 231  * This structure contains the string, its length, and which LSM
 232  * it is useful for.
 233  */
 234 struct lsm_context {
 235         char    *context;       /* Provided by the module */
 236         u32     len;
 237         int     id;             /* Identifies the module */
 238 };
 239
 240 /*
 241  * Values used in the task_security_ops calls
 242  */
 243 /* setuid or setgid, id0 == uid or gid */
 244 #define LSM_SETID_ID    1
 245
 246 /* setreuid or setregid, id0 == real, id1 == eff */
 247 #define LSM_SETID_RE    2
 248
 249 /* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
 250 #define LSM_SETID_RES   4
 251
 252 /* setfsuid or setfsgid, id0 == fsuid or fsgid */
 253 #define LSM_SETID_FS    8
 254
 255 /* Flags for security_task_prlimit(). */
 256 #define LSM_PRLIMIT_READ  1
 257 #define LSM_PRLIMIT_WRITE 2
 258
 259 /* forward declares to avoid warnings */
 260 struct sched_param;
 261 struct request_sock;
 262
 263 /* bprm->unsafe reasons */
 264 #define LSM_UNSAFE_SHARE        1
 265 #define LSM_UNSAFE_PTRACE       2
 266 #define LSM_UNSAFE_NO_NEW_PRIVS 4
 267
 268 #ifdef CONFIG_MMU
 269 extern int mmap_min_addr_handler(const struct ctl_table *table, int write,
 270                                  void *buffer, size_t *lenp, loff_t *ppos);
 271 #endif
 272
 273 /* security_inode_init_security callback function to write xattrs */
 274 typedef int (*initxattrs) (struct inode *inode,
 275                            const struct xattr *xattr_array, void *fs_data);
 276
 277
 278 /* Keep the kernel_load_data_id enum in sync with kernel_read_file_id */
 279 #define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM,
 280 #define __data_id_stringify(dummy, str) #str,
 281
 282 enum kernel_load_data_id {
 283         __kernel_read_file_id(__data_id_enumify)
 284 };
 285
 286 static const char * const kernel_load_data_str[] = {
 287         __kernel_read_file_id(__data_id_stringify)
 288 };
 289
 290 static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id)
 291 {
 292         if ((unsigned)id >= LOADING_MAX_ID)
 293                 return kernel_load_data_str[LOADING_UNKNOWN];
 294
 295         return kernel_load_data_str[id];
 296 }
 297
 298 /**
 299  * lsmprop_init - initialize a lsm_prop structure
 300  * @prop: Pointer to the data to initialize
 301  *
 302  * Set all secid for all modules to the specified value.
 303  */
 304 static inline void lsmprop_init(struct lsm_prop *prop)
 305 {
 306         memset(prop, 0, sizeof(*prop));
 307 }
 308
 309 #ifdef CONFIG_SECURITY
 310
 311 /**
 312  * lsmprop_is_set - report if there is a value in the lsm_prop
 313  * @prop: Pointer to the exported LSM data
 314  *
 315  * Returns true if there is a value set, false otherwise
 316  */
 317 static inline bool lsmprop_is_set(struct lsm_prop *prop)
 318 {
 319         const struct lsm_prop empty = {};
 320
 321         return !!memcmp(prop, &empty, sizeof(*prop));
 322 }
 323
 324 int call_blocking_lsm_notifier(enum lsm_event event, void *data);
 325 int register_blocking_lsm_notifier(struct notifier_block *nb);
 326 int unregister_blocking_lsm_notifier(struct notifier_block *nb);
 327
 328 /* prototypes */
 329 extern int security_init(void);
 330 extern int early_security_init(void);
 331 extern u64 lsm_name_to_attr(const char *name);
 332
 333 /* Security operations */
 334 int security_binder_set_context_mgr(const struct cred *mgr);
 335 int security_binder_transaction(const struct cred *from,
 336                                 const struct cred *to);
 337 int security_binder_transfer_binder(const struct cred *from,
 338                                     const struct cred *to);
 339 int security_binder_transfer_file(const struct cred *from,
 340                                   const struct cred *to, const struct file *file);
 341 int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
 342 int security_ptrace_traceme(struct task_struct *parent);
 343 int security_capget(const struct task_struct *target,
 344                     kernel_cap_t *effective,
 345                     kernel_cap_t *inheritable,
 346                     kernel_cap_t *permitted);
 347 int security_capset(struct cred *new, const struct cred *old,
 348                     const kernel_cap_t *effective,
 349                     const kernel_cap_t *inheritable,
 350                     const kernel_cap_t *permitted);
 351 int security_capable(const struct cred *cred,
 352                        struct user_namespace *ns,
 353                        int cap,
 354                        unsigned int opts);
 355 int security_quotactl(int cmds, int type, int id, const struct super_block *sb);
 356 int security_quota_on(struct dentry *dentry);
 357 int security_syslog(int type);
 358 int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
 359 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
 360 int security_bprm_creds_for_exec(struct linux_binprm *bprm);
 361 int security_bprm_creds_from_file(struct linux_binprm *bprm, const struct file *file);
 362 int security_bprm_check(struct linux_binprm *bprm);
 363 void security_bprm_committing_creds(const struct linux_binprm *bprm);
 364 void security_bprm_committed_creds(const struct linux_binprm *bprm);
 365 int security_fs_context_submount(struct fs_context *fc, struct super_block *reference);
 366 int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
 367 int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
 368 int security_sb_alloc(struct super_block *sb);
 369 void security_sb_delete(struct super_block *sb);
 370 void security_sb_free(struct super_block *sb);
 371 void security_free_mnt_opts(void **mnt_opts);
 372 int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
 373 int security_sb_mnt_opts_compat(struct super_block *sb, void *mnt_opts);
 374 int security_sb_remount(struct super_block *sb, void *mnt_opts);
 375 int security_sb_kern_mount(const struct super_block *sb);
 376 int security_sb_show_options(struct seq_file *m, struct super_block *sb);
 377 int security_sb_statfs(struct dentry *dentry);
 378 int security_sb_mount(const char *dev_name, const struct path *path,
 379                       const char *type, unsigned long flags, void *data);
 380 int security_sb_umount(struct vfsmount *mnt, int flags);
 381 int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
 382 int security_sb_set_mnt_opts(struct super_block *sb,
 383                                 void *mnt_opts,
 384                                 unsigned long kern_flags,
 385                                 unsigned long *set_kern_flags);
 386 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
 387                                 struct super_block *newsb,
 388                                 unsigned long kern_flags,
 389                                 unsigned long *set_kern_flags);
 390 int security_move_mount(const struct path *from_path, const struct path *to_path);
 391 int security_dentry_init_security(struct dentry *dentry, int mode,
 392                                   const struct qstr *name,
 393                                   const char **xattr_name,
 394                                   struct lsm_context *lsmcxt);
 395 int security_dentry_create_files_as(struct dentry *dentry, int mode,
 396                                         struct qstr *name,
 397                                         const struct cred *old,
 398                                         struct cred *new);
 399 int security_path_notify(const struct path *path, u64 mask,
 400                                         unsigned int obj_type);
 401 int security_inode_alloc(struct inode *inode, gfp_t gfp);
 402 void security_inode_free(struct inode *inode);
 403 int security_inode_init_security(struct inode *inode, struct inode *dir,
 404                                  const struct qstr *qstr,
 405                                  initxattrs initxattrs, void *fs_data);
 406 int security_inode_init_security_anon(struct inode *inode,
 407                                       const struct qstr *name,
 408                                       const struct inode *context_inode);
 409 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
 410 void security_inode_post_create_tmpfile(struct mnt_idmap *idmap,
 411                                         struct inode *inode);
 412 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
 413                          struct dentry *new_dentry);
 414 int security_inode_unlink(struct inode *dir, struct dentry *dentry);
 415 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
 416                            const char *old_name);
 417 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
 418 int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
 419 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
 420 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
 421                           struct inode *new_dir, struct dentry *new_dentry,
 422                           unsigned int flags);
 423 int security_inode_readlink(struct dentry *dentry);
 424 int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
 425                                bool rcu);
 426 int security_inode_permission(struct inode *inode, int mask);
 427 int security_inode_setattr(struct mnt_idmap *idmap,
 428                            struct dentry *dentry, struct iattr *attr);
 429 void security_inode_post_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
 430                                  int ia_valid);
 431 int security_inode_getattr(const struct path *path);
 432 int security_inode_setxattr(struct mnt_idmap *idmap,
 433                             struct dentry *dentry, const char *name,
 434                             const void *value, size_t size, int flags);
 435 int security_inode_set_acl(struct mnt_idmap *idmap,
 436                            struct dentry *dentry, const char *acl_name,
 437                            struct posix_acl *kacl);
 438 void security_inode_post_set_acl(struct dentry *dentry, const char *acl_name,
 439                                  struct posix_acl *kacl);
 440 int security_inode_get_acl(struct mnt_idmap *idmap,
 441                            struct dentry *dentry, const char *acl_name);
 442 int security_inode_remove_acl(struct mnt_idmap *idmap,
 443                               struct dentry *dentry, const char *acl_name);
 444 void security_inode_post_remove_acl(struct mnt_idmap *idmap,
 445                                     struct dentry *dentry,
 446                                     const char *acl_name);
 447 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
 448                                   const void *value, size_t size, int flags);
 449 int security_inode_getxattr(struct dentry *dentry, const char *name);
 450 int security_inode_listxattr(struct dentry *dentry);
 451 int security_inode_removexattr(struct mnt_idmap *idmap,
 452                                struct dentry *dentry, const char *name);
 453 void security_inode_post_removexattr(struct dentry *dentry, const char *name);
 454 int security_inode_need_killpriv(struct dentry *dentry);
 455 int security_inode_killpriv(struct mnt_idmap *idmap, struct dentry *dentry);
 456 int security_inode_getsecurity(struct mnt_idmap *idmap,
 457                                struct inode *inode, const char *name,
 458                                void **buffer, bool alloc);
 459 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
 460 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
 461 void security_inode_getlsmprop(struct inode *inode, struct lsm_prop *prop);
 462 int security_inode_copy_up(struct dentry *src, struct cred **new);
 463 int security_inode_copy_up_xattr(struct dentry *src, const char *name);
 464 int security_inode_setintegrity(const struct inode *inode,
 465                                 enum lsm_integrity_type type, const void *value,
 466                                 size_t size);
 467 int security_kernfs_init_security(struct kernfs_node *kn_dir,
 468                                   struct kernfs_node *kn);
 469 int security_file_permission(struct file *file, int mask);
 470 int security_file_alloc(struct file *file);
 471 void security_file_release(struct file *file);
 472 void security_file_free(struct file *file);
 473 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
 474 int security_file_ioctl_compat(struct file *file, unsigned int cmd,
 475                                unsigned long arg);
 476 int security_mmap_file(struct file *file, unsigned long prot,
 477                         unsigned long flags);
 478 int security_mmap_addr(unsigned long addr);
 479 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
 480                            unsigned long prot);
 481 int security_file_lock(struct file *file, unsigned int cmd);
 482 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
 483 void security_file_set_fowner(struct file *file);
 484 int security_file_send_sigiotask(struct task_struct *tsk,
 485                                  struct fown_struct *fown, int sig);
 486 int security_file_receive(struct file *file);
 487 int security_file_open(struct file *file);
 488 int security_file_post_open(struct file *file, int mask);
 489 int security_file_truncate(struct file *file);
 490 int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
 491 void security_task_free(struct task_struct *task);
 492 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
 493 void security_cred_free(struct cred *cred);
 494 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
 495 void security_transfer_creds(struct cred *new, const struct cred *old);
 496 void security_cred_getsecid(const struct cred *c, u32 *secid);
 497 void security_cred_getlsmprop(const struct cred *c, struct lsm_prop *prop);
 498 int security_kernel_act_as(struct cred *new, u32 secid);
 499 int security_kernel_create_files_as(struct cred *new, struct inode *inode);
 500 int security_kernel_module_request(char *kmod_name);
 501 int security_kernel_load_data(enum kernel_load_data_id id, bool contents);
 502 int security_kernel_post_load_data(char *buf, loff_t size,
 503                                    enum kernel_load_data_id id,
 504                                    char *description);
 505 int security_kernel_read_file(struct file *file, enum kernel_read_file_id id,
 506                               bool contents);
 507 int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
 508                                    enum kernel_read_file_id id);
 509 int security_task_fix_setuid(struct cred *new, const struct cred *old,
 510                              int flags);
 511 int security_task_fix_setgid(struct cred *new, const struct cred *old,
 512                              int flags);
 513 int security_task_fix_setgroups(struct cred *new, const struct cred *old);
 514 int security_task_setpgid(struct task_struct *p, pid_t pgid);
 515 int security_task_getpgid(struct task_struct *p);
 516 int security_task_getsid(struct task_struct *p);
 517 void security_current_getlsmprop_subj(struct lsm_prop *prop);
 518 void security_task_getlsmprop_obj(struct task_struct *p, struct lsm_prop *prop);
 519 int security_task_setnice(struct task_struct *p, int nice);
 520 int security_task_setioprio(struct task_struct *p, int ioprio);
 521 int security_task_getioprio(struct task_struct *p);
 522 int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
 523                           unsigned int flags);
 524 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
 525                 struct rlimit *new_rlim);
 526 int security_task_setscheduler(struct task_struct *p);
 527 int security_task_getscheduler(struct task_struct *p);
 528 int security_task_movememory(struct task_struct *p);
 529 int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
 530                         int sig, const struct cred *cred);
 531 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
 532                         unsigned long arg4, unsigned long arg5);
 533 void security_task_to_inode(struct task_struct *p, struct inode *inode);
 534 int security_create_user_ns(const struct cred *cred);
 535 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
 536 void security_ipc_getlsmprop(struct kern_ipc_perm *ipcp, struct lsm_prop *prop);
 537 int security_msg_msg_alloc(struct msg_msg *msg);
 538 void security_msg_msg_free(struct msg_msg *msg);
 539 int security_msg_queue_alloc(struct kern_ipc_perm *msq);
 540 void security_msg_queue_free(struct kern_ipc_perm *msq);
 541 int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
 542 int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
 543 int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
 544                               struct msg_msg *msg, int msqflg);
 545 int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
 546                               struct task_struct *target, long type, int mode);
 547 int security_shm_alloc(struct kern_ipc_perm *shp);
 548 void security_shm_free(struct kern_ipc_perm *shp);
 549 int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
 550 int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
 551 int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
 552 int security_sem_alloc(struct kern_ipc_perm *sma);
 553 void security_sem_free(struct kern_ipc_perm *sma);
 554 int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
 555 int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
 556 int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
 557                         unsigned nsops, int alter);
 558 void security_d_instantiate(struct dentry *dentry, struct inode *inode);
 559 int security_getselfattr(unsigned int attr, struct lsm_ctx __user *ctx,
 560                          u32 __user *size, u32 flags);
 561 int security_setselfattr(unsigned int attr, struct lsm_ctx __user *ctx,
 562                          u32 size, u32 flags);
 563 int security_getprocattr(struct task_struct *p, int lsmid, const char *name,
 564                          char **value);
 565 int security_setprocattr(int lsmid, const char *name, void *value, size_t size);
 566 int security_netlink_send(struct sock *sk, struct sk_buff *skb);
 567 int security_ismaclabel(const char *name);
 568 int security_secid_to_secctx(u32 secid, struct lsm_context *cp);
 569 int security_lsmprop_to_secctx(struct lsm_prop *prop, struct lsm_context *cp);
 570 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
 571 void security_release_secctx(struct lsm_context *cp);
 572 void security_inode_invalidate_secctx(struct inode *inode);
 573 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
 574 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
 575 int security_inode_getsecctx(struct inode *inode, struct lsm_context *cp);
 576 int security_locked_down(enum lockdown_reason what);
 577 int lsm_fill_user_ctx(struct lsm_ctx __user *uctx, u32 *uctx_len,
 578                       void *val, size_t val_len, u64 id, u64 flags);
 579 int security_bdev_alloc(struct block_device *bdev);
 580 void security_bdev_free(struct block_device *bdev);
 581 int security_bdev_setintegrity(struct block_device *bdev,
 582                                enum lsm_integrity_type type, const void *value,
 583                                size_t size);
 584 #else /* CONFIG_SECURITY */
 585
 586 /**
 587  * lsmprop_is_set - report if there is a value in the lsm_prop
 588  * @prop: Pointer to the exported LSM data
 589  *
 590  * Returns true if there is a value set, false otherwise
 591  */
 592 static inline bool lsmprop_is_set(struct lsm_prop *prop)
 593 {
 594         return false;
 595 }
 596
 597 static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
 598 {
 599         return 0;
 600 }
 601
 602 static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
 603 {
 604         return 0;
 605 }
 606
 607 static inline  int unregister_blocking_lsm_notifier(struct notifier_block *nb)
 608 {
 609         return 0;
 610 }
 611
 612 static inline u64 lsm_name_to_attr(const char *name)
 613 {
 614         return LSM_ATTR_UNDEF;
 615 }
 616
 617 static inline void security_free_mnt_opts(void **mnt_opts)
 618 {
 619 }
 620
 621 /*
 622  * This is the default capabilities functionality.  Most of these functions
 623  * are just stubbed out, but a few must call the proper capable code.
 624  */
 625
 626 static inline int security_init(void)
 627 {
 628         return 0;
 629 }
 630
 631 static inline int early_security_init(void)
 632 {
 633         return 0;
 634 }
 635
 636 static inline int security_binder_set_context_mgr(const struct cred *mgr)
 637 {
 638         return 0;
 639 }
 640
 641 static inline int security_binder_transaction(const struct cred *from,
 642                                               const struct cred *to)
 643 {
 644         return 0;
 645 }
 646
 647 static inline int security_binder_transfer_binder(const struct cred *from,
 648                                                   const struct cred *to)
 649 {
 650         return 0;
 651 }
 652
 653 static inline int security_binder_transfer_file(const struct cred *from,
 654                                                 const struct cred *to,
 655                                                 const struct file *file)
 656 {
 657         return 0;
 658 }
 659
 660 static inline int security_ptrace_access_check(struct task_struct *child,
 661                                              unsigned int mode)
 662 {
 663         return cap_ptrace_access_check(child, mode);
 664 }
 665
 666 static inline int security_ptrace_traceme(struct task_struct *parent)
 667 {
 668         return cap_ptrace_traceme(parent);
 669 }
 670
 671 static inline int security_capget(const struct task_struct *target,
 672                                    kernel_cap_t *effective,
 673                                    kernel_cap_t *inheritable,
 674                                    kernel_cap_t *permitted)
 675 {
 676         return cap_capget(target, effective, inheritable, permitted);
 677 }
 678
 679 static inline int security_capset(struct cred *new,
 680                                    const struct cred *old,
 681                                    const kernel_cap_t *effective,
 682                                    const kernel_cap_t *inheritable,
 683                                    const kernel_cap_t *permitted)
 684 {
 685         return cap_capset(new, old, effective, inheritable, permitted);
 686 }
 687
 688 static inline int security_capable(const struct cred *cred,
 689                                    struct user_namespace *ns,
 690                                    int cap,
 691                                    unsigned int opts)
 692 {
 693         return cap_capable(cred, ns, cap, opts);
 694 }
 695
 696 static inline int security_quotactl(int cmds, int type, int id,
 697                                      const struct super_block *sb)
 698 {
 699         return 0;
 700 }
 701
 702 static inline int security_quota_on(struct dentry *dentry)
 703 {
 704         return 0;
 705 }
 706
 707 static inline int security_syslog(int type)
 708 {
 709         return 0;
 710 }
 711
 712 static inline int security_settime64(const struct timespec64 *ts,
 713                                      const struct timezone *tz)
 714 {
 715         return cap_settime(ts, tz);
 716 }
 717
 718 static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
 719 {
 720         return __vm_enough_memory(mm, pages, !cap_vm_enough_memory(mm, pages));
 721 }
 722
 723 static inline int security_bprm_creds_for_exec(struct linux_binprm *bprm)
 724 {
 725         return 0;
 726 }
 727
 728 static inline int security_bprm_creds_from_file(struct linux_binprm *bprm,
 729                                                 const struct file *file)
 730 {
 731         return cap_bprm_creds_from_file(bprm, file);
 732 }
 733
 734 static inline int security_bprm_check(struct linux_binprm *bprm)
 735 {
 736         return 0;
 737 }
 738
 739 static inline void security_bprm_committing_creds(const struct linux_binprm *bprm)
 740 {
 741 }
 742
 743 static inline void security_bprm_committed_creds(const struct linux_binprm *bprm)
 744 {
 745 }
 746
 747 static inline int security_fs_context_submount(struct fs_context *fc,
 748                                            struct super_block *reference)
 749 {
 750         return 0;
 751 }
 752 static inline int security_fs_context_dup(struct fs_context *fc,
 753                                           struct fs_context *src_fc)
 754 {
 755         return 0;
 756 }
 757 static inline int security_fs_context_parse_param(struct fs_context *fc,
 758                                                   struct fs_parameter *param)
 759 {
 760         return -ENOPARAM;
 761 }
 762
 763 static inline int security_sb_alloc(struct super_block *sb)
 764 {
 765         return 0;
 766 }
 767
 768 static inline void security_sb_delete(struct super_block *sb)
 769 { }
 770
 771 static inline void security_sb_free(struct super_block *sb)
 772 { }
 773
 774 static inline int security_sb_eat_lsm_opts(char *options,
 775                                            void **mnt_opts)
 776 {
 777         return 0;
 778 }
 779
 780 static inline int security_sb_remount(struct super_block *sb,
 781                                       void *mnt_opts)
 782 {
 783         return 0;
 784 }
 785
 786 static inline int security_sb_mnt_opts_compat(struct super_block *sb,
 787                                               void *mnt_opts)
 788 {
 789         return 0;
 790 }
 791
 792
 793 static inline int security_sb_kern_mount(struct super_block *sb)
 794 {
 795         return 0;
 796 }
 797
 798 static inline int security_sb_show_options(struct seq_file *m,
 799                                            struct super_block *sb)
 800 {
 801         return 0;
 802 }
 803
 804 static inline int security_sb_statfs(struct dentry *dentry)
 805 {
 806         return 0;
 807 }
 808
 809 static inline int security_sb_mount(const char *dev_name, const struct path *path,
 810                                     const char *type, unsigned long flags,
 811                                     void *data)
 812 {
 813         return 0;
 814 }
 815
 816 static inline int security_sb_umount(struct vfsmount *mnt, int flags)
 817 {
 818         return 0;
 819 }
 820
 821 static inline int security_sb_pivotroot(const struct path *old_path,
 822                                         const struct path *new_path)
 823 {
 824         return 0;
 825 }
 826
 827 static inline int security_sb_set_mnt_opts(struct super_block *sb,
 828                                            void *mnt_opts,
 829                                            unsigned long kern_flags,
 830                                            unsigned long *set_kern_flags)
 831 {
 832         return 0;
 833 }
 834
 835 static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
 836                                               struct super_block *newsb,
 837                                               unsigned long kern_flags,
 838                                               unsigned long *set_kern_flags)
 839 {
 840         return 0;
 841 }
 842
 843 static inline int security_move_mount(const struct path *from_path,
 844                                       const struct path *to_path)
 845 {
 846         return 0;
 847 }
 848
 849 static inline int security_path_notify(const struct path *path, u64 mask,
 850                                 unsigned int obj_type)
 851 {
 852         return 0;
 853 }
 854
 855 static inline int security_inode_alloc(struct inode *inode, gfp_t gfp)
 856 {
 857         return 0;
 858 }
 859
 860 static inline void security_inode_free(struct inode *inode)
 861 { }
 862
 863 static inline int security_dentry_init_security(struct dentry *dentry,
 864                                                  int mode,
 865                                                  const struct qstr *name,
 866                                                  const char **xattr_name,
 867                                                  struct lsm_context *lsmcxt)
 868 {
 869         return -EOPNOTSUPP;
 870 }
 871
 872 static inline int security_dentry_create_files_as(struct dentry *dentry,
 873                                                   int mode, struct qstr *name,
 874                                                   const struct cred *old,
 875                                                   struct cred *new)
 876 {
 877         return 0;
 878 }
 879
 880
 881 static inline int security_inode_init_security(struct inode *inode,
 882                                                 struct inode *dir,
 883                                                 const struct qstr *qstr,
 884                                                 const initxattrs xattrs,
 885                                                 void *fs_data)
 886 {
 887         return 0;
 888 }
 889
 890 static inline int security_inode_init_security_anon(struct inode *inode,
 891                                                     const struct qstr *name,
 892                                                     const struct inode *context_inode)
 893 {
 894         return 0;
 895 }
 896
 897 static inline int security_inode_create(struct inode *dir,
 898                                          struct dentry *dentry,
 899                                          umode_t mode)
 900 {
 901         return 0;
 902 }
 903
 904 static inline void
 905 security_inode_post_create_tmpfile(struct mnt_idmap *idmap, struct inode *inode)
 906 { }
 907
 908 static inline int security_inode_link(struct dentry *old_dentry,
 909                                        struct inode *dir,
 910                                        struct dentry *new_dentry)
 911 {
 912         return 0;
 913 }
 914
 915 static inline int security_inode_unlink(struct inode *dir,
 916                                          struct dentry *dentry)
 917 {
 918         return 0;
 919 }
 920
 921 static inline int security_inode_symlink(struct inode *dir,
 922                                           struct dentry *dentry,
 923                                           const char *old_name)
 924 {
 925         return 0;
 926 }
 927
 928 static inline int security_inode_mkdir(struct inode *dir,
 929                                         struct dentry *dentry,
 930                                         int mode)
 931 {
 932         return 0;
 933 }
 934
 935 static inline int security_inode_rmdir(struct inode *dir,
 936                                         struct dentry *dentry)
 937 {
 938         return 0;
 939 }
 940
 941 static inline int security_inode_mknod(struct inode *dir,
 942                                         struct dentry *dentry,
 943                                         int mode, dev_t dev)
 944 {
 945         return 0;
 946 }
 947
 948 static inline int security_inode_rename(struct inode *old_dir,
 949                                          struct dentry *old_dentry,
 950                                          struct inode *new_dir,
 951                                          struct dentry *new_dentry,
 952                                          unsigned int flags)
 953 {
 954         return 0;
 955 }
 956
 957 static inline int security_inode_readlink(struct dentry *dentry)
 958 {
 959         return 0;
 960 }
 961
 962 static inline int security_inode_follow_link(struct dentry *dentry,
 963                                              struct inode *inode,
 964                                              bool rcu)
 965 {
 966         return 0;
 967 }
 968
 969 static inline int security_inode_permission(struct inode *inode, int mask)
 970 {
 971         return 0;
 972 }
 973
 974 static inline int security_inode_setattr(struct mnt_idmap *idmap,
 975                                          struct dentry *dentry,
 976                                          struct iattr *attr)
 977 {
 978         return 0;
 979 }
 980
 981 static inline void
 982 security_inode_post_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
 983                             int ia_valid)
 984 { }
 985
 986 static inline int security_inode_getattr(const struct path *path)
 987 {
 988         return 0;
 989 }
 990
 991 static inline int security_inode_setxattr(struct mnt_idmap *idmap,
 992                 struct dentry *dentry, const char *name, const void *value,
 993                 size_t size, int flags)
 994 {
 995         return cap_inode_setxattr(dentry, name, value, size, flags);
 996 }
 997
 998 static inline int security_inode_set_acl(struct mnt_idmap *idmap,
 999                                          struct dentry *dentry,
1000                                          const char *acl_name,
1001                                          struct posix_acl *kacl)
1002 {
1003         return 0;
1004 }
1005
1006 static inline void security_inode_post_set_acl(struct dentry *dentry,
1007                                                const char *acl_name,
1008                                                struct posix_acl *kacl)
1009 { }
1010
1011 static inline int security_inode_get_acl(struct mnt_idmap *idmap,
1012                                          struct dentry *dentry,
1013                                          const char *acl_name)
1014 {
1015         return 0;
1016 }
1017
1018 static inline int security_inode_remove_acl(struct mnt_idmap *idmap,
1019                                             struct dentry *dentry,
1020                                             const char *acl_name)
1021 {
1022         return 0;
1023 }
1024
1025 static inline void security_inode_post_remove_acl(struct mnt_idmap *idmap,
1026                                                   struct dentry *dentry,
1027                                                   const char *acl_name)
1028 { }
1029
1030 static inline void security_inode_post_setxattr(struct dentry *dentry,
1031                 const char *name, const void *value, size_t size, int flags)
1032 { }
1033
1034 static inline int security_inode_getxattr(struct dentry *dentry,
1035                         const char *name)
1036 {
1037         return 0;
1038 }
1039
1040 static inline int security_inode_listxattr(struct dentry *dentry)
1041 {
1042         return 0;
1043 }
1044
1045 static inline int security_inode_removexattr(struct mnt_idmap *idmap,
1046                                              struct dentry *dentry,
1047                                              const char *name)
1048 {
1049         return cap_inode_removexattr(idmap, dentry, name);
1050 }
1051
1052 static inline void security_inode_post_removexattr(struct dentry *dentry,
1053                                                    const char *name)
1054 { }
1055
1056 static inline int security_inode_need_killpriv(struct dentry *dentry)
1057 {
1058         return cap_inode_need_killpriv(dentry);
1059 }
1060
1061 static inline int security_inode_killpriv(struct mnt_idmap *idmap,
1062                                           struct dentry *dentry)
1063 {
1064         return cap_inode_killpriv(idmap, dentry);
1065 }
1066
1067 static inline int security_inode_getsecurity(struct mnt_idmap *idmap,
1068                                              struct inode *inode,
1069                                              const char *name, void **buffer,
1070                                              bool alloc)
1071 {
1072         return cap_inode_getsecurity(idmap, inode, name, buffer, alloc);
1073 }
1074
1075 static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
1076 {
1077         return -EOPNOTSUPP;
1078 }
1079
1080 static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
1081 {
1082         return 0;
1083 }
1084
1085 static inline void security_inode_getlsmprop(struct inode *inode,
1086                                              struct lsm_prop *prop)
1087 {
1088         lsmprop_init(prop);
1089 }
1090
1091 static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
1092 {
1093         return 0;
1094 }
1095
1096 static inline int security_inode_setintegrity(const struct inode *inode,
1097                                               enum lsm_integrity_type type,
1098                                               const void *value, size_t size)
1099 {
1100         return 0;
1101 }
1102
1103 static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
1104                                                 struct kernfs_node *kn)
1105 {
1106         return 0;
1107 }
1108
1109 static inline int security_inode_copy_up_xattr(struct dentry *src, const char *name)
1110 {
1111         return -EOPNOTSUPP;
1112 }
1113
1114 static inline int security_file_permission(struct file *file, int mask)
1115 {
1116         return 0;
1117 }
1118
1119 static inline int security_file_alloc(struct file *file)
1120 {
1121         return 0;
1122 }
1123
1124 static inline void security_file_release(struct file *file)
1125 { }
1126
1127 static inline void security_file_free(struct file *file)
1128 { }
1129
1130 static inline int security_file_ioctl(struct file *file, unsigned int cmd,
1131                                       unsigned long arg)
1132 {
1133         return 0;
1134 }
1135
1136 static inline int security_file_ioctl_compat(struct file *file,
1137                                              unsigned int cmd,
1138                                              unsigned long arg)
1139 {
1140         return 0;
1141 }
1142
1143 static inline int security_mmap_file(struct file *file, unsigned long prot,
1144                                      unsigned long flags)
1145 {
1146         return 0;
1147 }
1148
1149 static inline int security_mmap_addr(unsigned long addr)
1150 {
1151         return cap_mmap_addr(addr);
1152 }
1153
1154 static inline int security_file_mprotect(struct vm_area_struct *vma,
1155                                          unsigned long reqprot,
1156                                          unsigned long prot)
1157 {
1158         return 0;
1159 }
1160
1161 static inline int security_file_lock(struct file *file, unsigned int cmd)
1162 {
1163         return 0;
1164 }
1165
1166 static inline int security_file_fcntl(struct file *file, unsigned int cmd,
1167                                       unsigned long arg)
1168 {
1169         return 0;
1170 }
1171
1172 static inline void security_file_set_fowner(struct file *file)
1173 {
1174         return;
1175 }
1176
1177 static inline int security_file_send_sigiotask(struct task_struct *tsk,
1178                                                struct fown_struct *fown,
1179                                                int sig)
1180 {
1181         return 0;
1182 }
1183
1184 static inline int security_file_receive(struct file *file)
1185 {
1186         return 0;
1187 }
1188
1189 static inline int security_file_open(struct file *file)
1190 {
1191         return 0;
1192 }
1193
1194 static inline int security_file_post_open(struct file *file, int mask)
1195 {
1196         return 0;
1197 }
1198
1199 static inline int security_file_truncate(struct file *file)
1200 {
1201         return 0;
1202 }
1203
1204 static inline int security_task_alloc(struct task_struct *task,
1205                                       unsigned long clone_flags)
1206 {
1207         return 0;
1208 }
1209
1210 static inline void security_task_free(struct task_struct *task)
1211 { }
1212
1213 static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
1214 {
1215         return 0;
1216 }
1217
1218 static inline void security_cred_free(struct cred *cred)
1219 { }
1220
1221 static inline int security_prepare_creds(struct cred *new,
1222                                          const struct cred *old,
1223                                          gfp_t gfp)
1224 {
1225         return 0;
1226 }
1227
1228 static inline void security_transfer_creds(struct cred *new,
1229                                            const struct cred *old)
1230 {
1231 }
1232
1233 static inline void security_cred_getsecid(const struct cred *c, u32 *secid)
1234 {
1235         *secid = 0;
1236 }
1237
1238 static inline void security_cred_getlsmprop(const struct cred *c,
1239                                             struct lsm_prop *prop)
1240 { }
1241
1242 static inline int security_kernel_act_as(struct cred *cred, u32 secid)
1243 {
1244         return 0;
1245 }
1246
1247 static inline int security_kernel_create_files_as(struct cred *cred,
1248                                                   struct inode *inode)
1249 {
1250         return 0;
1251 }
1252
1253 static inline int security_kernel_module_request(char *kmod_name)
1254 {
1255         return 0;
1256 }
1257
1258 static inline int security_kernel_load_data(enum kernel_load_data_id id, bool contents)
1259 {
1260         return 0;
1261 }
1262
1263 static inline int security_kernel_post_load_data(char *buf, loff_t size,
1264                                                  enum kernel_load_data_id id,
1265                                                  char *description)
1266 {
1267         return 0;
1268 }
1269
1270 static inline int security_kernel_read_file(struct file *file,
1271                                             enum kernel_read_file_id id,
1272                                             bool contents)
1273 {
1274         return 0;
1275 }
1276
1277 static inline int security_kernel_post_read_file(struct file *file,
1278                                                  char *buf, loff_t size,
1279                                                  enum kernel_read_file_id id)
1280 {
1281         return 0;
1282 }
1283
1284 static inline int security_task_fix_setuid(struct cred *new,
1285                                            const struct cred *old,
1286                                            int flags)
1287 {
1288         return cap_task_fix_setuid(new, old, flags);
1289 }
1290
1291 static inline int security_task_fix_setgid(struct cred *new,
1292                                            const struct cred *old,
1293                                            int flags)
1294 {
1295         return 0;
1296 }
1297
1298 static inline int security_task_fix_setgroups(struct cred *new,
1299                                            const struct cred *old)
1300 {
1301         return 0;
1302 }
1303
1304 static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1305 {
1306         return 0;
1307 }
1308
1309 static inline int security_task_getpgid(struct task_struct *p)
1310 {
1311         return 0;
1312 }
1313
1314 static inline int security_task_getsid(struct task_struct *p)
1315 {
1316         return 0;
1317 }
1318
1319 static inline void security_current_getlsmprop_subj(struct lsm_prop *prop)
1320 {
1321         lsmprop_init(prop);
1322 }
1323
1324 static inline void security_task_getlsmprop_obj(struct task_struct *p,
1325                                                 struct lsm_prop *prop)
1326 {
1327         lsmprop_init(prop);
1328 }
1329
1330 static inline int security_task_setnice(struct task_struct *p, int nice)
1331 {
1332         return cap_task_setnice(p, nice);
1333 }
1334
1335 static inline int security_task_setioprio(struct task_struct *p, int ioprio)
1336 {
1337         return cap_task_setioprio(p, ioprio);
1338 }
1339
1340 static inline int security_task_getioprio(struct task_struct *p)
1341 {
1342         return 0;
1343 }
1344
1345 static inline int security_task_prlimit(const struct cred *cred,
1346                                         const struct cred *tcred,
1347                                         unsigned int flags)
1348 {
1349         return 0;
1350 }
1351
1352 static inline int security_task_setrlimit(struct task_struct *p,
1353                                           unsigned int resource,
1354                                           struct rlimit *new_rlim)
1355 {
1356         return 0;
1357 }
1358
1359 static inline int security_task_setscheduler(struct task_struct *p)
1360 {
1361         return cap_task_setscheduler(p);
1362 }
1363
1364 static inline int security_task_getscheduler(struct task_struct *p)
1365 {
1366         return 0;
1367 }
1368
1369 static inline int security_task_movememory(struct task_struct *p)
1370 {
1371         return 0;
1372 }
1373
1374 static inline int security_task_kill(struct task_struct *p,
1375                                      struct kernel_siginfo *info, int sig,
1376                                      const struct cred *cred)
1377 {
1378         return 0;
1379 }
1380
1381 static inline int security_task_prctl(int option, unsigned long arg2,
1382                                       unsigned long arg3,
1383                                       unsigned long arg4,
1384                                       unsigned long arg5)
1385 {
1386         return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1387 }
1388
1389 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1390 { }
1391
1392 static inline int security_create_user_ns(const struct cred *cred)
1393 {
1394         return 0;
1395 }
1396
1397 static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1398                                           short flag)
1399 {
1400         return 0;
1401 }
1402
1403 static inline void security_ipc_getlsmprop(struct kern_ipc_perm *ipcp,
1404                                            struct lsm_prop *prop)
1405 {
1406         lsmprop_init(prop);
1407 }
1408
1409 static inline int security_msg_msg_alloc(struct msg_msg *msg)
1410 {
1411         return 0;
1412 }
1413
1414 static inline void security_msg_msg_free(struct msg_msg *msg)
1415 { }
1416
1417 static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1418 {
1419         return 0;
1420 }
1421
1422 static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1423 { }
1424
1425 static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
1426                                                int msqflg)
1427 {
1428         return 0;
1429 }
1430
1431 static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1432 {
1433         return 0;
1434 }
1435
1436 static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
1437                                             struct msg_msg *msg, int msqflg)
1438 {
1439         return 0;
1440 }
1441
1442 static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
1443                                             struct msg_msg *msg,
1444                                             struct task_struct *target,
1445                                             long type, int mode)
1446 {
1447         return 0;
1448 }
1449
1450 static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1451 {
1452         return 0;
1453 }
1454
1455 static inline void security_shm_free(struct kern_ipc_perm *shp)
1456 { }
1457
1458 static inline int security_shm_associate(struct kern_ipc_perm *shp,
1459                                          int shmflg)
1460 {
1461         return 0;
1462 }
1463
1464 static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1465 {
1466         return 0;
1467 }
1468
1469 static inline int security_shm_shmat(struct kern_ipc_perm *shp,
1470                                      char __user *shmaddr, int shmflg)
1471 {
1472         return 0;
1473 }
1474
1475 static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1476 {
1477         return 0;
1478 }
1479
1480 static inline void security_sem_free(struct kern_ipc_perm *sma)
1481 { }
1482
1483 static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1484 {
1485         return 0;
1486 }
1487
1488 static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1489 {
1490         return 0;
1491 }
1492
1493 static inline int security_sem_semop(struct kern_ipc_perm *sma,
1494                                      struct sembuf *sops, unsigned nsops,
1495                                      int alter)
1496 {
1497         return 0;
1498 }
1499
1500 static inline void security_d_instantiate(struct dentry *dentry,
1501                                           struct inode *inode)
1502 { }
1503
1504 static inline int security_getselfattr(unsigned int attr,
1505                                        struct lsm_ctx __user *ctx,
1506                                        size_t __user *size, u32 flags)
1507 {
1508         return -EOPNOTSUPP;
1509 }
1510
1511 static inline int security_setselfattr(unsigned int attr,
1512                                        struct lsm_ctx __user *ctx,
1513                                        size_t size, u32 flags)
1514 {
1515         return -EOPNOTSUPP;
1516 }
1517
1518 static inline int security_getprocattr(struct task_struct *p, int lsmid,
1519                                        const char *name, char **value)
1520 {
1521         return -EINVAL;
1522 }
1523
1524 static inline int security_setprocattr(int lsmid, char *name, void *value,
1525                                        size_t size)
1526 {
1527         return -EINVAL;
1528 }
1529
1530 static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1531 {
1532         return 0;
1533 }
1534
1535 static inline int security_ismaclabel(const char *name)
1536 {
1537         return 0;
1538 }
1539
1540 static inline int security_secid_to_secctx(u32 secid, struct lsm_context *cp)
1541 {
1542         return -EOPNOTSUPP;
1543 }
1544
1545 static inline int security_lsmprop_to_secctx(struct lsm_prop *prop,
1546                                              struct lsm_context *cp)
1547 {
1548         return -EOPNOTSUPP;
1549 }
1550
1551 static inline int security_secctx_to_secid(const char *secdata,
1552                                            u32 seclen,
1553                                            u32 *secid)
1554 {
1555         return -EOPNOTSUPP;
1556 }
1557
1558 static inline void security_release_secctx(struct lsm_context *cp)
1559 {
1560 }
1561
1562 static inline void security_inode_invalidate_secctx(struct inode *inode)
1563 {
1564 }
1565
1566 static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1567 {
1568         return -EOPNOTSUPP;
1569 }
1570 static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1571 {
1572         return -EOPNOTSUPP;
1573 }
1574 static inline int security_inode_getsecctx(struct inode *inode,
1575                                            struct lsm_context *cp)
1576 {
1577         return -EOPNOTSUPP;
1578 }
1579 static inline int security_locked_down(enum lockdown_reason what)
1580 {
1581         return 0;
1582 }
1583 static inline int lsm_fill_user_ctx(struct lsm_ctx __user *uctx,
1584                                     u32 *uctx_len, void *val, size_t val_len,
1585                                     u64 id, u64 flags)
1586 {
1587         return -EOPNOTSUPP;
1588 }
1589
1590 static inline int security_bdev_alloc(struct block_device *bdev)
1591 {
1592         return 0;
1593 }
1594
1595 static inline void security_bdev_free(struct block_device *bdev)
1596 {
1597 }
1598
1599 static inline int security_bdev_setintegrity(struct block_device *bdev,
1600                                              enum lsm_integrity_type type,
1601                                              const void *value, size_t size)
1602 {
1603         return 0;
1604 }
1605
1606 #endif  /* CONFIG_SECURITY */
1607
1608 #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE)
1609 int security_post_notification(const struct cred *w_cred,
1610                                const struct cred *cred,
1611                                struct watch_notification *n);
1612 #else
1613 static inline int security_post_notification(const struct cred *w_cred,
1614                                              const struct cred *cred,
1615                                              struct watch_notification *n)
1616 {
1617         return 0;
1618 }
1619 #endif
1620
1621 #if defined(CONFIG_SECURITY) && defined(CONFIG_KEY_NOTIFICATIONS)
1622 int security_watch_key(struct key *key);
1623 #else
1624 static inline int security_watch_key(struct key *key)
1625 {
1626         return 0;
1627 }
1628 #endif
1629
1630 #ifdef CONFIG_SECURITY_NETWORK
1631
1632 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1633 int security_unix_may_send(struct socket *sock,  struct socket *other);
1634 int security_socket_create(int family, int type, int protocol, int kern);
1635 int security_socket_post_create(struct socket *sock, int family,
1636                                 int type, int protocol, int kern);
1637 int security_socket_socketpair(struct socket *socka, struct socket *sockb);
1638 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1639 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1640 int security_socket_listen(struct socket *sock, int backlog);
1641 int security_socket_accept(struct socket *sock, struct socket *newsock);
1642 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1643 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1644                             int size, int flags);
1645 int security_socket_getsockname(struct socket *sock);
1646 int security_socket_getpeername(struct socket *sock);
1647 int security_socket_getsockopt(struct socket *sock, int level, int optname);
1648 int security_socket_setsockopt(struct socket *sock, int level, int optname);
1649 int security_socket_shutdown(struct socket *sock, int how);
1650 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1651 int security_socket_getpeersec_stream(struct socket *sock, sockptr_t optval,
1652                                       sockptr_t optlen, unsigned int len);
1653 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1654 int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1655 void security_sk_free(struct sock *sk);
1656 void security_sk_clone(const struct sock *sk, struct sock *newsk);
1657 void security_sk_classify_flow(const struct sock *sk,
1658                                struct flowi_common *flic);
1659 void security_req_classify_flow(const struct request_sock *req,
1660                                 struct flowi_common *flic);
1661 void security_sock_graft(struct sock*sk, struct socket *parent);
1662 int security_inet_conn_request(const struct sock *sk,
1663                         struct sk_buff *skb, struct request_sock *req);
1664 void security_inet_csk_clone(struct sock *newsk,
1665                         const struct request_sock *req);
1666 void security_inet_conn_established(struct sock *sk,
1667                         struct sk_buff *skb);
1668 int security_secmark_relabel_packet(u32 secid);
1669 void security_secmark_refcount_inc(void);
1670 void security_secmark_refcount_dec(void);
1671 int security_tun_dev_alloc_security(void **security);
1672 void security_tun_dev_free_security(void *security);
1673 int security_tun_dev_create(void);
1674 int security_tun_dev_attach_queue(void *security);
1675 int security_tun_dev_attach(struct sock *sk, void *security);
1676 int security_tun_dev_open(void *security);
1677 int security_sctp_assoc_request(struct sctp_association *asoc, struct sk_buff *skb);
1678 int security_sctp_bind_connect(struct sock *sk, int optname,
1679                                struct sockaddr *address, int addrlen);
1680 void security_sctp_sk_clone(struct sctp_association *asoc, struct sock *sk,
1681                             struct sock *newsk);
1682 int security_sctp_assoc_established(struct sctp_association *asoc,
1683                                     struct sk_buff *skb);
1684 int security_mptcp_add_subflow(struct sock *sk, struct sock *ssk);
1685
1686 #else   /* CONFIG_SECURITY_NETWORK */
1687 static inline int security_unix_stream_connect(struct sock *sock,
1688                                                struct sock *other,
1689                                                struct sock *newsk)
1690 {
1691         return 0;
1692 }
1693
1694 static inline int security_unix_may_send(struct socket *sock,
1695                                          struct socket *other)
1696 {
1697         return 0;
1698 }
1699
1700 static inline int security_socket_create(int family, int type,
1701                                          int protocol, int kern)
1702 {
1703         return 0;
1704 }
1705
1706 static inline int security_socket_post_create(struct socket *sock,
1707                                               int family,
1708                                               int type,
1709                                               int protocol, int kern)
1710 {
1711         return 0;
1712 }
1713
1714 static inline int security_socket_socketpair(struct socket *socka,
1715                                              struct socket *sockb)
1716 {
1717         return 0;
1718 }
1719
1720 static inline int security_socket_bind(struct socket *sock,
1721                                        struct sockaddr *address,
1722                                        int addrlen)
1723 {
1724         return 0;
1725 }
1726
1727 static inline int security_socket_connect(struct socket *sock,
1728                                           struct sockaddr *address,
1729                                           int addrlen)
1730 {
1731         return 0;
1732 }
1733
1734 static inline int security_socket_listen(struct socket *sock, int backlog)
1735 {
1736         return 0;
1737 }
1738
1739 static inline int security_socket_accept(struct socket *sock,
1740                                          struct socket *newsock)
1741 {
1742         return 0;
1743 }
1744
1745 static inline int security_socket_sendmsg(struct socket *sock,
1746                                           struct msghdr *msg, int size)
1747 {
1748         return 0;
1749 }
1750
1751 static inline int security_socket_recvmsg(struct socket *sock,
1752                                           struct msghdr *msg, int size,
1753                                           int flags)
1754 {
1755         return 0;
1756 }
1757
1758 static inline int security_socket_getsockname(struct socket *sock)
1759 {
1760         return 0;
1761 }
1762
1763 static inline int security_socket_getpeername(struct socket *sock)
1764 {
1765         return 0;
1766 }
1767
1768 static inline int security_socket_getsockopt(struct socket *sock,
1769                                              int level, int optname)
1770 {
1771         return 0;
1772 }
1773
1774 static inline int security_socket_setsockopt(struct socket *sock,
1775                                              int level, int optname)
1776 {
1777         return 0;
1778 }
1779
1780 static inline int security_socket_shutdown(struct socket *sock, int how)
1781 {
1782         return 0;
1783 }
1784 static inline int security_sock_rcv_skb(struct sock *sk,
1785                                         struct sk_buff *skb)
1786 {
1787         return 0;
1788 }
1789
1790 static inline int security_socket_getpeersec_stream(struct socket *sock,
1791                                                     sockptr_t optval,
1792                                                     sockptr_t optlen,
1793                                                     unsigned int len)
1794 {
1795         return -ENOPROTOOPT;
1796 }
1797
1798 static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1799 {
1800         return -ENOPROTOOPT;
1801 }
1802
1803 static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1804 {
1805         return 0;
1806 }
1807
1808 static inline void security_sk_free(struct sock *sk)
1809 {
1810 }
1811
1812 static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1813 {
1814 }
1815
1816 static inline void security_sk_classify_flow(const struct sock *sk,
1817                                              struct flowi_common *flic)
1818 {
1819 }
1820
1821 static inline void security_req_classify_flow(const struct request_sock *req,
1822                                               struct flowi_common *flic)
1823 {
1824 }
1825
1826 static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1827 {
1828 }
1829
1830 static inline int security_inet_conn_request(const struct sock *sk,
1831                         struct sk_buff *skb, struct request_sock *req)
1832 {
1833         return 0;
1834 }
1835
1836 static inline void security_inet_csk_clone(struct sock *newsk,
1837                         const struct request_sock *req)
1838 {
1839 }
1840
1841 static inline void security_inet_conn_established(struct sock *sk,
1842                         struct sk_buff *skb)
1843 {
1844 }
1845
1846 static inline int security_secmark_relabel_packet(u32 secid)
1847 {
1848         return 0;
1849 }
1850
1851 static inline void security_secmark_refcount_inc(void)
1852 {
1853 }
1854
1855 static inline void security_secmark_refcount_dec(void)
1856 {
1857 }
1858
1859 static inline int security_tun_dev_alloc_security(void **security)
1860 {
1861         return 0;
1862 }
1863
1864 static inline void security_tun_dev_free_security(void *security)
1865 {
1866 }
1867
1868 static inline int security_tun_dev_create(void)
1869 {
1870         return 0;
1871 }
1872
1873 static inline int security_tun_dev_attach_queue(void *security)
1874 {
1875         return 0;
1876 }
1877
1878 static inline int security_tun_dev_attach(struct sock *sk, void *security)
1879 {
1880         return 0;
1881 }
1882
1883 static inline int security_tun_dev_open(void *security)
1884 {
1885         return 0;
1886 }
1887
1888 static inline int security_sctp_assoc_request(struct sctp_association *asoc,
1889                                               struct sk_buff *skb)
1890 {
1891         return 0;
1892 }
1893
1894 static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1895                                              struct sockaddr *address,
1896                                              int addrlen)
1897 {
1898         return 0;
1899 }
1900
1901 static inline void security_sctp_sk_clone(struct sctp_association *asoc,
1902                                           struct sock *sk,
1903                                           struct sock *newsk)
1904 {
1905 }
1906
1907 static inline int security_sctp_assoc_established(struct sctp_association *asoc,
1908                                                   struct sk_buff *skb)
1909 {
1910         return 0;
1911 }
1912
1913 static inline int security_mptcp_add_subflow(struct sock *sk, struct sock *ssk)
1914 {
1915         return 0;
1916 }
1917 #endif  /* CONFIG_SECURITY_NETWORK */
1918
1919 #ifdef CONFIG_SECURITY_INFINIBAND
1920 int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1921 int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1922 int security_ib_alloc_security(void **sec);
1923 void security_ib_free_security(void *sec);
1924 #else   /* CONFIG_SECURITY_INFINIBAND */
1925 static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1926 {
1927         return 0;
1928 }
1929
1930 static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1931 {
1932         return 0;
1933 }
1934
1935 static inline int security_ib_alloc_security(void **sec)
1936 {
1937         return 0;
1938 }
1939
1940 static inline void security_ib_free_security(void *sec)
1941 {
1942 }
1943 #endif  /* CONFIG_SECURITY_INFINIBAND */
1944
1945 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1946
1947 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1948                                struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1949 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1950 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1951 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1952 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1953 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1954                                       struct xfrm_sec_ctx *polsec, u32 secid);
1955 int security_xfrm_state_delete(struct xfrm_state *x);
1956 void security_xfrm_state_free(struct xfrm_state *x);
1957 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid);
1958 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1959                                        struct xfrm_policy *xp,
1960                                        const struct flowi_common *flic);
1961 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1962 void security_skb_classify_flow(struct sk_buff *skb, struct flowi_common *flic);
1963
1964 #else   /* CONFIG_SECURITY_NETWORK_XFRM */
1965
1966 static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1967                                              struct xfrm_user_sec_ctx *sec_ctx,
1968                                              gfp_t gfp)
1969 {
1970         return 0;
1971 }
1972
1973 static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1974 {
1975         return 0;
1976 }
1977
1978 static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1979 {
1980 }
1981
1982 static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1983 {
1984         return 0;
1985 }
1986
1987 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1988                                         struct xfrm_user_sec_ctx *sec_ctx)
1989 {
1990         return 0;
1991 }
1992
1993 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1994                                         struct xfrm_sec_ctx *polsec, u32 secid)
1995 {
1996         return 0;
1997 }
1998
1999 static inline void security_xfrm_state_free(struct xfrm_state *x)
2000 {
2001 }
2002
2003 static inline int security_xfrm_state_delete(struct xfrm_state *x)
2004 {
2005         return 0;
2006 }
2007
2008 static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid)
2009 {
2010         return 0;
2011 }
2012
2013 static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
2014                                                      struct xfrm_policy *xp,
2015                                                      const struct flowi_common *flic)
2016 {
2017         return 1;
2018 }
2019
2020 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
2021 {
2022         return 0;
2023 }
2024
2025 static inline void security_skb_classify_flow(struct sk_buff *skb,
2026                                               struct flowi_common *flic)
2027 {
2028 }
2029
2030 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
2031
2032 #ifdef CONFIG_SECURITY_PATH
2033 int security_path_unlink(const struct path *dir, struct dentry *dentry);
2034 int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
2035 int security_path_rmdir(const struct path *dir, struct dentry *dentry);
2036 int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
2037                         unsigned int dev);
2038 void security_path_post_mknod(struct mnt_idmap *idmap, struct dentry *dentry);
2039 int security_path_truncate(const struct path *path);
2040 int security_path_symlink(const struct path *dir, struct dentry *dentry,
2041                           const char *old_name);
2042 int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
2043                        struct dentry *new_dentry);
2044 int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
2045                          const struct path *new_dir, struct dentry *new_dentry,
2046                          unsigned int flags);
2047 int security_path_chmod(const struct path *path, umode_t mode);
2048 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
2049 int security_path_chroot(const struct path *path);
2050 #else   /* CONFIG_SECURITY_PATH */
2051 static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
2052 {
2053         return 0;
2054 }
2055
2056 static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
2057                                       umode_t mode)
2058 {
2059         return 0;
2060 }
2061
2062 static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
2063 {
2064         return 0;
2065 }
2066
2067 static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
2068                                       umode_t mode, unsigned int dev)
2069 {
2070         return 0;
2071 }
2072
2073 static inline void security_path_post_mknod(struct mnt_idmap *idmap,
2074                                             struct dentry *dentry)
2075 { }
2076
2077 static inline int security_path_truncate(const struct path *path)
2078 {
2079         return 0;
2080 }
2081
2082 static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
2083                                         const char *old_name)
2084 {
2085         return 0;
2086 }
2087
2088 static inline int security_path_link(struct dentry *old_dentry,
2089                                      const struct path *new_dir,
2090                                      struct dentry *new_dentry)
2091 {
2092         return 0;
2093 }
2094
2095 static inline int security_path_rename(const struct path *old_dir,
2096                                        struct dentry *old_dentry,
2097                                        const struct path *new_dir,
2098                                        struct dentry *new_dentry,
2099                                        unsigned int flags)
2100 {
2101         return 0;
2102 }
2103
2104 static inline int security_path_chmod(const struct path *path, umode_t mode)
2105 {
2106         return 0;
2107 }
2108
2109 static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
2110 {
2111         return 0;
2112 }
2113
2114 static inline int security_path_chroot(const struct path *path)
2115 {
2116         return 0;
2117 }
2118 #endif  /* CONFIG_SECURITY_PATH */
2119
2120 #ifdef CONFIG_KEYS
2121 #ifdef CONFIG_SECURITY
2122
2123 int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
2124 void security_key_free(struct key *key);
2125 int security_key_permission(key_ref_t key_ref, const struct cred *cred,
2126                             enum key_need_perm need_perm);
2127 int security_key_getsecurity(struct key *key, char **_buffer);
2128 void security_key_post_create_or_update(struct key *keyring, struct key *key,
2129                                         const void *payload, size_t payload_len,
2130                                         unsigned long flags, bool create);
2131
2132 #else
2133
2134 static inline int security_key_alloc(struct key *key,
2135                                      const struct cred *cred,
2136                                      unsigned long flags)
2137 {
2138         return 0;
2139 }
2140
2141 static inline void security_key_free(struct key *key)
2142 {
2143 }
2144
2145 static inline int security_key_permission(key_ref_t key_ref,
2146                                           const struct cred *cred,
2147                                           enum key_need_perm need_perm)
2148 {
2149         return 0;
2150 }
2151
2152 static inline int security_key_getsecurity(struct key *key, char **_buffer)
2153 {
2154         *_buffer = NULL;
2155         return 0;
2156 }
2157
2158 static inline void security_key_post_create_or_update(struct key *keyring,
2159                                                       struct key *key,
2160                                                       const void *payload,
2161                                                       size_t payload_len,
2162                                                       unsigned long flags,
2163                                                       bool create)
2164 { }
2165
2166 #endif
2167 #endif /* CONFIG_KEYS */
2168
2169 #ifdef CONFIG_AUDIT
2170 #ifdef CONFIG_SECURITY
2171 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule,
2172                              gfp_t gfp);
2173 int security_audit_rule_known(struct audit_krule *krule);
2174 int security_audit_rule_match(struct lsm_prop *prop, u32 field, u32 op,
2175                               void *lsmrule);
2176 void security_audit_rule_free(void *lsmrule);
2177
2178 #else
2179
2180 static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
2181                                            void **lsmrule, gfp_t gfp)
2182 {
2183         return 0;
2184 }
2185
2186 static inline int security_audit_rule_known(struct audit_krule *krule)
2187 {
2188         return 0;
2189 }
2190
2191 static inline int security_audit_rule_match(struct lsm_prop *prop, u32 field,
2192                                             u32 op, void *lsmrule)
2193 {
2194         return 0;
2195 }
2196
2197 static inline void security_audit_rule_free(void *lsmrule)
2198 { }
2199
2200 #endif /* CONFIG_SECURITY */
2201 #endif /* CONFIG_AUDIT */
2202
2203 #ifdef CONFIG_SECURITYFS
2204
2205 extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
2206                                              struct dentry *parent, void *data,
2207                                              const struct file_operations *fops);
2208 extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
2209 struct dentry *securityfs_create_symlink(const char *name,
2210                                          struct dentry *parent,
2211                                          const char *target,
2212                                          const struct inode_operations *iops);
2213 extern void securityfs_remove(struct dentry *dentry);
2214 extern void securityfs_recursive_remove(struct dentry *dentry);
2215
2216 #else /* CONFIG_SECURITYFS */
2217
2218 static inline struct dentry *securityfs_create_dir(const char *name,
2219                                                    struct dentry *parent)
2220 {
2221         return ERR_PTR(-ENODEV);
2222 }
2223
2224 static inline struct dentry *securityfs_create_file(const char *name,
2225                                                     umode_t mode,
2226                                                     struct dentry *parent,
2227                                                     void *data,
2228                                                     const struct file_operations *fops)
2229 {
2230         return ERR_PTR(-ENODEV);
2231 }
2232
2233 static inline struct dentry *securityfs_create_symlink(const char *name,
2234                                         struct dentry *parent,
2235                                         const char *target,
2236                                         const struct inode_operations *iops)
2237 {
2238         return ERR_PTR(-ENODEV);
2239 }
2240
2241 static inline void securityfs_remove(struct dentry *dentry)
2242 {}
2243
2244 #endif
2245
2246 #ifdef CONFIG_BPF_SYSCALL
2247 union bpf_attr;
2248 struct bpf_map;
2249 struct bpf_prog;
2250 struct bpf_token;
2251 #ifdef CONFIG_SECURITY
2252 extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
2253 extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
2254 extern int security_bpf_prog(struct bpf_prog *prog);
2255 extern int security_bpf_map_create(struct bpf_map *map, union bpf_attr *attr,
2256                                    struct bpf_token *token);
2257 extern void security_bpf_map_free(struct bpf_map *map);
2258 extern int security_bpf_prog_load(struct bpf_prog *prog, union bpf_attr *attr,
2259                                   struct bpf_token *token);
2260 extern void security_bpf_prog_free(struct bpf_prog *prog);
2261 extern int security_bpf_token_create(struct bpf_token *token, union bpf_attr *attr,
2262                                      const struct path *path);
2263 extern void security_bpf_token_free(struct bpf_token *token);
2264 extern int security_bpf_token_cmd(const struct bpf_token *token, enum bpf_cmd cmd);
2265 extern int security_bpf_token_capable(const struct bpf_token *token, int cap);
2266 #else
2267 static inline int security_bpf(int cmd, union bpf_attr *attr,
2268                                              unsigned int size)
2269 {
2270         return 0;
2271 }
2272
2273 static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
2274 {
2275         return 0;
2276 }
2277
2278 static inline int security_bpf_prog(struct bpf_prog *prog)
2279 {
2280         return 0;
2281 }
2282
2283 static inline int security_bpf_map_create(struct bpf_map *map, union bpf_attr *attr,
2284                                           struct bpf_token *token)
2285 {
2286         return 0;
2287 }
2288
2289 static inline void security_bpf_map_free(struct bpf_map *map)
2290 { }
2291
2292 static inline int security_bpf_prog_load(struct bpf_prog *prog, union bpf_attr *attr,
2293                                          struct bpf_token *token)
2294 {
2295         return 0;
2296 }
2297
2298 static inline void security_bpf_prog_free(struct bpf_prog *prog)
2299 { }
2300
2301 static inline int security_bpf_token_create(struct bpf_token *token, union bpf_attr *attr,
2302                                             const struct path *path)
2303 {
2304         return 0;
2305 }
2306
2307 static inline void security_bpf_token_free(struct bpf_token *token)
2308 { }
2309
2310 static inline int security_bpf_token_cmd(const struct bpf_token *token, enum bpf_cmd cmd)
2311 {
2312         return 0;
2313 }
2314
2315 static inline int security_bpf_token_capable(const struct bpf_token *token, int cap)
2316 {
2317         return 0;
2318 }
2319 #endif /* CONFIG_SECURITY */
2320 #endif /* CONFIG_BPF_SYSCALL */
2321
2322 #ifdef CONFIG_PERF_EVENTS
2323 struct perf_event_attr;
2324 struct perf_event;
2325
2326 #ifdef CONFIG_SECURITY
2327 extern int security_perf_event_open(struct perf_event_attr *attr, int type);
2328 extern int security_perf_event_alloc(struct perf_event *event);
2329 extern void security_perf_event_free(struct perf_event *event);
2330 extern int security_perf_event_read(struct perf_event *event);
2331 extern int security_perf_event_write(struct perf_event *event);
2332 #else
2333 static inline int security_perf_event_open(struct perf_event_attr *attr,
2334                                            int type)
2335 {
2336         return 0;
2337 }
2338
2339 static inline int security_perf_event_alloc(struct perf_event *event)
2340 {
2341         return 0;
2342 }
2343
2344 static inline void security_perf_event_free(struct perf_event *event)
2345 {
2346 }
2347
2348 static inline int security_perf_event_read(struct perf_event *event)
2349 {
2350         return 0;
2351 }
2352
2353 static inline int security_perf_event_write(struct perf_event *event)
2354 {
2355         return 0;
2356 }
2357 #endif /* CONFIG_SECURITY */
2358 #endif /* CONFIG_PERF_EVENTS */
2359
2360 #ifdef CONFIG_IO_URING
2361 #ifdef CONFIG_SECURITY
2362 extern int security_uring_override_creds(const struct cred *new);
2363 extern int security_uring_sqpoll(void);
2364 extern int security_uring_cmd(struct io_uring_cmd *ioucmd);
2365 #else
2366 static inline int security_uring_override_creds(const struct cred *new)
2367 {
2368         return 0;
2369 }
2370 static inline int security_uring_sqpoll(void)
2371 {
2372         return 0;
2373 }
2374 static inline int security_uring_cmd(struct io_uring_cmd *ioucmd)
2375 {
2376         return 0;
2377 }
2378 #endif /* CONFIG_SECURITY */
2379 #endif /* CONFIG_IO_URING */
2380
2381 #ifdef CONFIG_SECURITY
2382 extern void security_initramfs_populated(void);
2383 #else
2384 static inline void security_initramfs_populated(void)
2385 {
2386 }
2387 #endif /* CONFIG_SECURITY */
2388
2389 #endif /* ! __LINUX_SECURITY_H */