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